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Diffstat (limited to 'drivers/media/dvb-frontends/drxk_hard.c')
-rw-r--r--drivers/media/dvb-frontends/drxk_hard.c6876
1 files changed, 6876 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c
new file mode 100644
index 000000000..bde292b2d
--- /dev/null
+++ b/drivers/media/dvb-frontends/drxk_hard.c
@@ -0,0 +1,6876 @@
+/*
+ * drxk_hard: DRX-K DVB-C/T demodulator driver
+ *
+ * Copyright (C) 2010-2011 Digital Devices GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/i2c.h>
+#include <linux/hardirq.h>
+#include <asm/div64.h>
+
+#include "dvb_frontend.h"
+#include "drxk.h"
+#include "drxk_hard.h"
+#include "dvb_math.h"
+
+static int power_down_dvbt(struct drxk_state *state, bool set_power_mode);
+static int power_down_qam(struct drxk_state *state);
+static int set_dvbt_standard(struct drxk_state *state,
+ enum operation_mode o_mode);
+static int set_qam_standard(struct drxk_state *state,
+ enum operation_mode o_mode);
+static int set_qam(struct drxk_state *state, u16 intermediate_freqk_hz,
+ s32 tuner_freq_offset);
+static int set_dvbt_standard(struct drxk_state *state,
+ enum operation_mode o_mode);
+static int dvbt_start(struct drxk_state *state);
+static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz,
+ s32 tuner_freq_offset);
+static int get_qam_lock_status(struct drxk_state *state, u32 *p_lock_status);
+static int get_dvbt_lock_status(struct drxk_state *state, u32 *p_lock_status);
+static int switch_antenna_to_qam(struct drxk_state *state);
+static int switch_antenna_to_dvbt(struct drxk_state *state);
+
+static bool is_dvbt(struct drxk_state *state)
+{
+ return state->m_operation_mode == OM_DVBT;
+}
+
+static bool is_qam(struct drxk_state *state)
+{
+ return state->m_operation_mode == OM_QAM_ITU_A ||
+ state->m_operation_mode == OM_QAM_ITU_B ||
+ state->m_operation_mode == OM_QAM_ITU_C;
+}
+
+#define NOA1ROM 0
+
+#define DRXDAP_FASI_SHORT_FORMAT(addr) (((addr) & 0xFC30FF80) == 0)
+#define DRXDAP_FASI_LONG_FORMAT(addr) (((addr) & 0xFC30FF80) != 0)
+
+#define DEFAULT_MER_83 165
+#define DEFAULT_MER_93 250
+
+#ifndef DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH
+#define DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH (0x02)
+#endif
+
+#ifndef DRXK_MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH
+#define DRXK_MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH (0x03)
+#endif
+
+#define DEFAULT_DRXK_MPEG_LOCK_TIMEOUT 700
+#define DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT 500
+
+#ifndef DRXK_KI_RAGC_ATV
+#define DRXK_KI_RAGC_ATV 4
+#endif
+#ifndef DRXK_KI_IAGC_ATV
+#define DRXK_KI_IAGC_ATV 6
+#endif
+#ifndef DRXK_KI_DAGC_ATV
+#define DRXK_KI_DAGC_ATV 7
+#endif
+
+#ifndef DRXK_KI_RAGC_QAM
+#define DRXK_KI_RAGC_QAM 3
+#endif
+#ifndef DRXK_KI_IAGC_QAM
+#define DRXK_KI_IAGC_QAM 4
+#endif
+#ifndef DRXK_KI_DAGC_QAM
+#define DRXK_KI_DAGC_QAM 7
+#endif
+#ifndef DRXK_KI_RAGC_DVBT
+#define DRXK_KI_RAGC_DVBT (IsA1WithPatchCode(state) ? 3 : 2)
+#endif
+#ifndef DRXK_KI_IAGC_DVBT
+#define DRXK_KI_IAGC_DVBT (IsA1WithPatchCode(state) ? 4 : 2)
+#endif
+#ifndef DRXK_KI_DAGC_DVBT
+#define DRXK_KI_DAGC_DVBT (IsA1WithPatchCode(state) ? 10 : 7)
+#endif
+
+#ifndef DRXK_AGC_DAC_OFFSET
+#define DRXK_AGC_DAC_OFFSET (0x800)
+#endif
+
+#ifndef DRXK_BANDWIDTH_8MHZ_IN_HZ
+#define DRXK_BANDWIDTH_8MHZ_IN_HZ (0x8B8249L)
+#endif
+
+#ifndef DRXK_BANDWIDTH_7MHZ_IN_HZ
+#define DRXK_BANDWIDTH_7MHZ_IN_HZ (0x7A1200L)
+#endif
+
+#ifndef DRXK_BANDWIDTH_6MHZ_IN_HZ
+#define DRXK_BANDWIDTH_6MHZ_IN_HZ (0x68A1B6L)
+#endif
+
+#ifndef DRXK_QAM_SYMBOLRATE_MAX
+#define DRXK_QAM_SYMBOLRATE_MAX (7233000)
+#endif
+
+#define DRXK_BL_ROM_OFFSET_TAPS_DVBT 56
+#define DRXK_BL_ROM_OFFSET_TAPS_ITU_A 64
+#define DRXK_BL_ROM_OFFSET_TAPS_ITU_C 0x5FE0
+#define DRXK_BL_ROM_OFFSET_TAPS_BG 24
+#define DRXK_BL_ROM_OFFSET_TAPS_DKILLP 32
+#define DRXK_BL_ROM_OFFSET_TAPS_NTSC 40
+#define DRXK_BL_ROM_OFFSET_TAPS_FM 48
+#define DRXK_BL_ROM_OFFSET_UCODE 0
+
+#define DRXK_BLC_TIMEOUT 100
+
+#define DRXK_BLCC_NR_ELEMENTS_TAPS 2
+#define DRXK_BLCC_NR_ELEMENTS_UCODE 6
+
+#define DRXK_BLDC_NR_ELEMENTS_TAPS 28
+
+#ifndef DRXK_OFDM_NE_NOTCH_WIDTH
+#define DRXK_OFDM_NE_NOTCH_WIDTH (4)
+#endif
+
+#define DRXK_QAM_SL_SIG_POWER_QAM16 (40960)
+#define DRXK_QAM_SL_SIG_POWER_QAM32 (20480)
+#define DRXK_QAM_SL_SIG_POWER_QAM64 (43008)
+#define DRXK_QAM_SL_SIG_POWER_QAM128 (20992)
+#define DRXK_QAM_SL_SIG_POWER_QAM256 (43520)
+
+static unsigned int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages");
+
+#define dprintk(level, fmt, arg...) do { \
+if (debug >= level) \
+ printk(KERN_DEBUG KBUILD_MODNAME ": %s " fmt, __func__, ##arg); \
+} while (0)
+
+
+static inline u32 MulDiv32(u32 a, u32 b, u32 c)
+{
+ u64 tmp64;
+
+ tmp64 = (u64) a * (u64) b;
+ do_div(tmp64, c);
+
+ return (u32) tmp64;
+}
+
+static inline u32 Frac28a(u32 a, u32 c)
+{
+ int i = 0;
+ u32 Q1 = 0;
+ u32 R0 = 0;
+
+ R0 = (a % c) << 4; /* 32-28 == 4 shifts possible at max */
+ Q1 = a / c; /*
+ * integer part, only the 4 least significant
+ * bits will be visible in the result
+ */
+
+ /* division using radix 16, 7 nibbles in the result */
+ for (i = 0; i < 7; i++) {
+ Q1 = (Q1 << 4) | (R0 / c);
+ R0 = (R0 % c) << 4;
+ }
+ /* rounding */
+ if ((R0 >> 3) >= c)
+ Q1++;
+
+ return Q1;
+}
+
+static inline u32 log10times100(u32 value)
+{
+ return (100L * intlog10(value)) >> 24;
+}
+
+/****************************************************************************/
+/* I2C **********************************************************************/
+/****************************************************************************/
+
+static int drxk_i2c_lock(struct drxk_state *state)
+{
+ i2c_lock_adapter(state->i2c);
+ state->drxk_i2c_exclusive_lock = true;
+
+ return 0;
+}
+
+static void drxk_i2c_unlock(struct drxk_state *state)
+{
+ if (!state->drxk_i2c_exclusive_lock)
+ return;
+
+ i2c_unlock_adapter(state->i2c);
+ state->drxk_i2c_exclusive_lock = false;
+}
+
+static int drxk_i2c_transfer(struct drxk_state *state, struct i2c_msg *msgs,
+ unsigned len)
+{
+ if (state->drxk_i2c_exclusive_lock)
+ return __i2c_transfer(state->i2c, msgs, len);
+ else
+ return i2c_transfer(state->i2c, msgs, len);
+}
+
+static int i2c_read1(struct drxk_state *state, u8 adr, u8 *val)
+{
+ struct i2c_msg msgs[1] = { {.addr = adr, .flags = I2C_M_RD,
+ .buf = val, .len = 1}
+ };
+
+ return drxk_i2c_transfer(state, msgs, 1);
+}
+
+static int i2c_write(struct drxk_state *state, u8 adr, u8 *data, int len)
+{
+ int status;
+ struct i2c_msg msg = {
+ .addr = adr, .flags = 0, .buf = data, .len = len };
+
+ dprintk(3, ":");
+ if (debug > 2) {
+ int i;
+ for (i = 0; i < len; i++)
+ pr_cont(" %02x", data[i]);
+ pr_cont("\n");
+ }
+ status = drxk_i2c_transfer(state, &msg, 1);
+ if (status >= 0 && status != 1)
+ status = -EIO;
+
+ if (status < 0)
+ pr_err("i2c write error at addr 0x%02x\n", adr);
+
+ return status;
+}
+
+static int i2c_read(struct drxk_state *state,
+ u8 adr, u8 *msg, int len, u8 *answ, int alen)
+{
+ int status;
+ struct i2c_msg msgs[2] = {
+ {.addr = adr, .flags = 0,
+ .buf = msg, .len = len},
+ {.addr = adr, .flags = I2C_M_RD,
+ .buf = answ, .len = alen}
+ };
+
+ status = drxk_i2c_transfer(state, msgs, 2);
+ if (status != 2) {
+ if (debug > 2)
+ pr_cont(": ERROR!\n");
+ if (status >= 0)
+ status = -EIO;
+
+ pr_err("i2c read error at addr 0x%02x\n", adr);
+ return status;
+ }
+ if (debug > 2) {
+ int i;
+ dprintk(2, ": read from");
+ for (i = 0; i < len; i++)
+ pr_cont(" %02x", msg[i]);
+ pr_cont(", value = ");
+ for (i = 0; i < alen; i++)
+ pr_cont(" %02x", answ[i]);
+ pr_cont("\n");
+ }
+ return 0;
+}
+
+static int read16_flags(struct drxk_state *state, u32 reg, u16 *data, u8 flags)
+{
+ int status;
+ u8 adr = state->demod_address, mm1[4], mm2[2], len;
+
+ if (state->single_master)
+ flags |= 0xC0;
+
+ if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
+ mm1[0] = (((reg << 1) & 0xFF) | 0x01);
+ mm1[1] = ((reg >> 16) & 0xFF);
+ mm1[2] = ((reg >> 24) & 0xFF) | flags;
+ mm1[3] = ((reg >> 7) & 0xFF);
+ len = 4;
+ } else {
+ mm1[0] = ((reg << 1) & 0xFF);
+ mm1[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
+ len = 2;
+ }
+ dprintk(2, "(0x%08x, 0x%02x)\n", reg, flags);
+ status = i2c_read(state, adr, mm1, len, mm2, 2);
+ if (status < 0)
+ return status;
+ if (data)
+ *data = mm2[0] | (mm2[1] << 8);
+
+ return 0;
+}
+
+static int read16(struct drxk_state *state, u32 reg, u16 *data)
+{
+ return read16_flags(state, reg, data, 0);
+}
+
+static int read32_flags(struct drxk_state *state, u32 reg, u32 *data, u8 flags)
+{
+ int status;
+ u8 adr = state->demod_address, mm1[4], mm2[4], len;
+
+ if (state->single_master)
+ flags |= 0xC0;
+
+ if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
+ mm1[0] = (((reg << 1) & 0xFF) | 0x01);
+ mm1[1] = ((reg >> 16) & 0xFF);
+ mm1[2] = ((reg >> 24) & 0xFF) | flags;
+ mm1[3] = ((reg >> 7) & 0xFF);
+ len = 4;
+ } else {
+ mm1[0] = ((reg << 1) & 0xFF);
+ mm1[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
+ len = 2;
+ }
+ dprintk(2, "(0x%08x, 0x%02x)\n", reg, flags);
+ status = i2c_read(state, adr, mm1, len, mm2, 4);
+ if (status < 0)
+ return status;
+ if (data)
+ *data = mm2[0] | (mm2[1] << 8) |
+ (mm2[2] << 16) | (mm2[3] << 24);
+
+ return 0;
+}
+
+static int read32(struct drxk_state *state, u32 reg, u32 *data)
+{
+ return read32_flags(state, reg, data, 0);
+}
+
+static int write16_flags(struct drxk_state *state, u32 reg, u16 data, u8 flags)
+{
+ u8 adr = state->demod_address, mm[6], len;
+
+ if (state->single_master)
+ flags |= 0xC0;
+ if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
+ mm[0] = (((reg << 1) & 0xFF) | 0x01);
+ mm[1] = ((reg >> 16) & 0xFF);
+ mm[2] = ((reg >> 24) & 0xFF) | flags;
+ mm[3] = ((reg >> 7) & 0xFF);
+ len = 4;
+ } else {
+ mm[0] = ((reg << 1) & 0xFF);
+ mm[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
+ len = 2;
+ }
+ mm[len] = data & 0xff;
+ mm[len + 1] = (data >> 8) & 0xff;
+
+ dprintk(2, "(0x%08x, 0x%04x, 0x%02x)\n", reg, data, flags);
+ return i2c_write(state, adr, mm, len + 2);
+}
+
+static int write16(struct drxk_state *state, u32 reg, u16 data)
+{
+ return write16_flags(state, reg, data, 0);
+}
+
+static int write32_flags(struct drxk_state *state, u32 reg, u32 data, u8 flags)
+{
+ u8 adr = state->demod_address, mm[8], len;
+
+ if (state->single_master)
+ flags |= 0xC0;
+ if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
+ mm[0] = (((reg << 1) & 0xFF) | 0x01);
+ mm[1] = ((reg >> 16) & 0xFF);
+ mm[2] = ((reg >> 24) & 0xFF) | flags;
+ mm[3] = ((reg >> 7) & 0xFF);
+ len = 4;
+ } else {
+ mm[0] = ((reg << 1) & 0xFF);
+ mm[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
+ len = 2;
+ }
+ mm[len] = data & 0xff;
+ mm[len + 1] = (data >> 8) & 0xff;
+ mm[len + 2] = (data >> 16) & 0xff;
+ mm[len + 3] = (data >> 24) & 0xff;
+ dprintk(2, "(0x%08x, 0x%08x, 0x%02x)\n", reg, data, flags);
+
+ return i2c_write(state, adr, mm, len + 4);
+}
+
+static int write32(struct drxk_state *state, u32 reg, u32 data)
+{
+ return write32_flags(state, reg, data, 0);
+}
+
+static int write_block(struct drxk_state *state, u32 address,
+ const int block_size, const u8 p_block[])
+{
+ int status = 0, blk_size = block_size;
+ u8 flags = 0;
+
+ if (state->single_master)
+ flags |= 0xC0;
+
+ while (blk_size > 0) {
+ int chunk = blk_size > state->m_chunk_size ?
+ state->m_chunk_size : blk_size;
+ u8 *adr_buf = &state->chunk[0];
+ u32 adr_length = 0;
+
+ if (DRXDAP_FASI_LONG_FORMAT(address) || (flags != 0)) {
+ adr_buf[0] = (((address << 1) & 0xFF) | 0x01);
+ adr_buf[1] = ((address >> 16) & 0xFF);
+ adr_buf[2] = ((address >> 24) & 0xFF);
+ adr_buf[3] = ((address >> 7) & 0xFF);
+ adr_buf[2] |= flags;
+ adr_length = 4;
+ if (chunk == state->m_chunk_size)
+ chunk -= 2;
+ } else {
+ adr_buf[0] = ((address << 1) & 0xFF);
+ adr_buf[1] = (((address >> 16) & 0x0F) |
+ ((address >> 18) & 0xF0));
+ adr_length = 2;
+ }
+ memcpy(&state->chunk[adr_length], p_block, chunk);
+ dprintk(2, "(0x%08x, 0x%02x)\n", address, flags);
+ if (debug > 1) {
+ int i;
+ if (p_block)
+ for (i = 0; i < chunk; i++)
+ pr_cont(" %02x", p_block[i]);
+ pr_cont("\n");
+ }
+ status = i2c_write(state, state->demod_address,
+ &state->chunk[0], chunk + adr_length);
+ if (status < 0) {
+ pr_err("%s: i2c write error at addr 0x%02x\n",
+ __func__, address);
+ break;
+ }
+ p_block += chunk;
+ address += (chunk >> 1);
+ blk_size -= chunk;
+ }
+ return status;
+}
+
+#ifndef DRXK_MAX_RETRIES_POWERUP
+#define DRXK_MAX_RETRIES_POWERUP 20
+#endif
+
+static int power_up_device(struct drxk_state *state)
+{
+ int status;
+ u8 data = 0;
+ u16 retry_count = 0;
+
+ dprintk(1, "\n");
+
+ status = i2c_read1(state, state->demod_address, &data);
+ if (status < 0) {
+ do {
+ data = 0;
+ status = i2c_write(state, state->demod_address,
+ &data, 1);
+ usleep_range(10000, 11000);
+ retry_count++;
+ if (status < 0)
+ continue;
+ status = i2c_read1(state, state->demod_address,
+ &data);
+ } while (status < 0 &&
+ (retry_count < DRXK_MAX_RETRIES_POWERUP));
+ if (status < 0 && retry_count >= DRXK_MAX_RETRIES_POWERUP)
+ goto error;
+ }
+
+ /* Make sure all clk domains are active */
+ status = write16(state, SIO_CC_PWD_MODE__A, SIO_CC_PWD_MODE_LEVEL_NONE);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
+ if (status < 0)
+ goto error;
+ /* Enable pll lock tests */
+ status = write16(state, SIO_CC_PLL_LOCK__A, 1);
+ if (status < 0)
+ goto error;
+
+ state->m_current_power_mode = DRX_POWER_UP;
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+
+static int init_state(struct drxk_state *state)
+{
+ /*
+ * FIXME: most (all?) of the values bellow should be moved into
+ * struct drxk_config, as they are probably board-specific
+ */
+ u32 ul_vsb_if_agc_mode = DRXK_AGC_CTRL_AUTO;
+ u32 ul_vsb_if_agc_output_level = 0;
+ u32 ul_vsb_if_agc_min_level = 0;
+ u32 ul_vsb_if_agc_max_level = 0x7FFF;
+ u32 ul_vsb_if_agc_speed = 3;
+
+ u32 ul_vsb_rf_agc_mode = DRXK_AGC_CTRL_AUTO;
+ u32 ul_vsb_rf_agc_output_level = 0;
+ u32 ul_vsb_rf_agc_min_level = 0;
+ u32 ul_vsb_rf_agc_max_level = 0x7FFF;
+ u32 ul_vsb_rf_agc_speed = 3;
+ u32 ul_vsb_rf_agc_top = 9500;
+ u32 ul_vsb_rf_agc_cut_off_current = 4000;
+
+ u32 ul_atv_if_agc_mode = DRXK_AGC_CTRL_AUTO;
+ u32 ul_atv_if_agc_output_level = 0;
+ u32 ul_atv_if_agc_min_level = 0;
+ u32 ul_atv_if_agc_max_level = 0;
+ u32 ul_atv_if_agc_speed = 3;
+
+ u32 ul_atv_rf_agc_mode = DRXK_AGC_CTRL_OFF;
+ u32 ul_atv_rf_agc_output_level = 0;
+ u32 ul_atv_rf_agc_min_level = 0;
+ u32 ul_atv_rf_agc_max_level = 0;
+ u32 ul_atv_rf_agc_top = 9500;
+ u32 ul_atv_rf_agc_cut_off_current = 4000;
+ u32 ul_atv_rf_agc_speed = 3;
+
+ u32 ulQual83 = DEFAULT_MER_83;
+ u32 ulQual93 = DEFAULT_MER_93;
+
+ u32 ul_mpeg_lock_time_out = DEFAULT_DRXK_MPEG_LOCK_TIMEOUT;
+ u32 ul_demod_lock_time_out = DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT;
+
+ /* io_pad_cfg register (8 bit reg.) MSB bit is 1 (default value) */
+ /* io_pad_cfg_mode output mode is drive always */
+ /* io_pad_cfg_drive is set to power 2 (23 mA) */
+ u32 ul_gpio_cfg = 0x0113;
+ u32 ul_invert_ts_clock = 0;
+ u32 ul_ts_data_strength = DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH;
+ u32 ul_dvbt_bitrate = 50000000;
+ u32 ul_dvbc_bitrate = DRXK_QAM_SYMBOLRATE_MAX * 8;
+
+ u32 ul_insert_rs_byte = 0;
+
+ u32 ul_rf_mirror = 1;
+ u32 ul_power_down = 0;
+
+ dprintk(1, "\n");
+
+ state->m_has_lna = false;
+ state->m_has_dvbt = false;
+ state->m_has_dvbc = false;
+ state->m_has_atv = false;
+ state->m_has_oob = false;
+ state->m_has_audio = false;
+
+ if (!state->m_chunk_size)
+ state->m_chunk_size = 124;
+
+ state->m_osc_clock_freq = 0;
+ state->m_smart_ant_inverted = false;
+ state->m_b_p_down_open_bridge = false;
+
+ /* real system clock frequency in kHz */
+ state->m_sys_clock_freq = 151875;
+ /* Timing div, 250ns/Psys */
+ /* Timing div, = (delay (nano seconds) * sysclk (kHz))/ 1000 */
+ state->m_hi_cfg_timing_div = ((state->m_sys_clock_freq / 1000) *
+ HI_I2C_DELAY) / 1000;
+ /* Clipping */
+ if (state->m_hi_cfg_timing_div > SIO_HI_RA_RAM_PAR_2_CFG_DIV__M)
+ state->m_hi_cfg_timing_div = SIO_HI_RA_RAM_PAR_2_CFG_DIV__M;
+ state->m_hi_cfg_wake_up_key = (state->demod_address << 1);
+ /* port/bridge/power down ctrl */
+ state->m_hi_cfg_ctrl = SIO_HI_RA_RAM_PAR_5_CFG_SLV0_SLAVE;
+
+ state->m_b_power_down = (ul_power_down != 0);
+
+ state->m_drxk_a3_patch_code = false;
+
+ /* Init AGC and PGA parameters */
+ /* VSB IF */
+ state->m_vsb_if_agc_cfg.ctrl_mode = ul_vsb_if_agc_mode;
+ state->m_vsb_if_agc_cfg.output_level = ul_vsb_if_agc_output_level;
+ state->m_vsb_if_agc_cfg.min_output_level = ul_vsb_if_agc_min_level;
+ state->m_vsb_if_agc_cfg.max_output_level = ul_vsb_if_agc_max_level;
+ state->m_vsb_if_agc_cfg.speed = ul_vsb_if_agc_speed;
+ state->m_vsb_pga_cfg = 140;
+
+ /* VSB RF */
+ state->m_vsb_rf_agc_cfg.ctrl_mode = ul_vsb_rf_agc_mode;
+ state->m_vsb_rf_agc_cfg.output_level = ul_vsb_rf_agc_output_level;
+ state->m_vsb_rf_agc_cfg.min_output_level = ul_vsb_rf_agc_min_level;
+ state->m_vsb_rf_agc_cfg.max_output_level = ul_vsb_rf_agc_max_level;
+ state->m_vsb_rf_agc_cfg.speed = ul_vsb_rf_agc_speed;
+ state->m_vsb_rf_agc_cfg.top = ul_vsb_rf_agc_top;
+ state->m_vsb_rf_agc_cfg.cut_off_current = ul_vsb_rf_agc_cut_off_current;
+ state->m_vsb_pre_saw_cfg.reference = 0x07;
+ state->m_vsb_pre_saw_cfg.use_pre_saw = true;
+
+ state->m_Quality83percent = DEFAULT_MER_83;
+ state->m_Quality93percent = DEFAULT_MER_93;
+ if (ulQual93 <= 500 && ulQual83 < ulQual93) {
+ state->m_Quality83percent = ulQual83;
+ state->m_Quality93percent = ulQual93;
+ }
+
+ /* ATV IF */
+ state->m_atv_if_agc_cfg.ctrl_mode = ul_atv_if_agc_mode;
+ state->m_atv_if_agc_cfg.output_level = ul_atv_if_agc_output_level;
+ state->m_atv_if_agc_cfg.min_output_level = ul_atv_if_agc_min_level;
+ state->m_atv_if_agc_cfg.max_output_level = ul_atv_if_agc_max_level;
+ state->m_atv_if_agc_cfg.speed = ul_atv_if_agc_speed;
+
+ /* ATV RF */
+ state->m_atv_rf_agc_cfg.ctrl_mode = ul_atv_rf_agc_mode;
+ state->m_atv_rf_agc_cfg.output_level = ul_atv_rf_agc_output_level;
+ state->m_atv_rf_agc_cfg.min_output_level = ul_atv_rf_agc_min_level;
+ state->m_atv_rf_agc_cfg.max_output_level = ul_atv_rf_agc_max_level;
+ state->m_atv_rf_agc_cfg.speed = ul_atv_rf_agc_speed;
+ state->m_atv_rf_agc_cfg.top = ul_atv_rf_agc_top;
+ state->m_atv_rf_agc_cfg.cut_off_current = ul_atv_rf_agc_cut_off_current;
+ state->m_atv_pre_saw_cfg.reference = 0x04;
+ state->m_atv_pre_saw_cfg.use_pre_saw = true;
+
+
+ /* DVBT RF */
+ state->m_dvbt_rf_agc_cfg.ctrl_mode = DRXK_AGC_CTRL_OFF;
+ state->m_dvbt_rf_agc_cfg.output_level = 0;
+ state->m_dvbt_rf_agc_cfg.min_output_level = 0;
+ state->m_dvbt_rf_agc_cfg.max_output_level = 0xFFFF;
+ state->m_dvbt_rf_agc_cfg.top = 0x2100;
+ state->m_dvbt_rf_agc_cfg.cut_off_current = 4000;
+ state->m_dvbt_rf_agc_cfg.speed = 1;
+
+
+ /* DVBT IF */
+ state->m_dvbt_if_agc_cfg.ctrl_mode = DRXK_AGC_CTRL_AUTO;
+ state->m_dvbt_if_agc_cfg.output_level = 0;
+ state->m_dvbt_if_agc_cfg.min_output_level = 0;
+ state->m_dvbt_if_agc_cfg.max_output_level = 9000;
+ state->m_dvbt_if_agc_cfg.top = 13424;
+ state->m_dvbt_if_agc_cfg.cut_off_current = 0;
+ state->m_dvbt_if_agc_cfg.speed = 3;
+ state->m_dvbt_if_agc_cfg.fast_clip_ctrl_delay = 30;
+ state->m_dvbt_if_agc_cfg.ingain_tgt_max = 30000;
+ /* state->m_dvbtPgaCfg = 140; */
+
+ state->m_dvbt_pre_saw_cfg.reference = 4;
+ state->m_dvbt_pre_saw_cfg.use_pre_saw = false;
+
+ /* QAM RF */
+ state->m_qam_rf_agc_cfg.ctrl_mode = DRXK_AGC_CTRL_OFF;
+ state->m_qam_rf_agc_cfg.output_level = 0;
+ state->m_qam_rf_agc_cfg.min_output_level = 6023;
+ state->m_qam_rf_agc_cfg.max_output_level = 27000;
+ state->m_qam_rf_agc_cfg.top = 0x2380;
+ state->m_qam_rf_agc_cfg.cut_off_current = 4000;
+ state->m_qam_rf_agc_cfg.speed = 3;
+
+ /* QAM IF */
+ state->m_qam_if_agc_cfg.ctrl_mode = DRXK_AGC_CTRL_AUTO;
+ state->m_qam_if_agc_cfg.output_level = 0;
+ state->m_qam_if_agc_cfg.min_output_level = 0;
+ state->m_qam_if_agc_cfg.max_output_level = 9000;
+ state->m_qam_if_agc_cfg.top = 0x0511;
+ state->m_qam_if_agc_cfg.cut_off_current = 0;
+ state->m_qam_if_agc_cfg.speed = 3;
+ state->m_qam_if_agc_cfg.ingain_tgt_max = 5119;
+ state->m_qam_if_agc_cfg.fast_clip_ctrl_delay = 50;
+
+ state->m_qam_pga_cfg = 140;
+ state->m_qam_pre_saw_cfg.reference = 4;
+ state->m_qam_pre_saw_cfg.use_pre_saw = false;
+
+ state->m_operation_mode = OM_NONE;
+ state->m_drxk_state = DRXK_UNINITIALIZED;
+
+ /* MPEG output configuration */
+ state->m_enable_mpeg_output = true; /* If TRUE; enable MPEG ouput */
+ state->m_insert_rs_byte = false; /* If TRUE; insert RS byte */
+ state->m_invert_data = false; /* If TRUE; invert DATA signals */
+ state->m_invert_err = false; /* If TRUE; invert ERR signal */
+ state->m_invert_str = false; /* If TRUE; invert STR signals */
+ state->m_invert_val = false; /* If TRUE; invert VAL signals */
+ state->m_invert_clk = (ul_invert_ts_clock != 0); /* If TRUE; invert CLK signals */
+
+ /* If TRUE; static MPEG clockrate will be used;
+ otherwise clockrate will adapt to the bitrate of the TS */
+
+ state->m_dvbt_bitrate = ul_dvbt_bitrate;
+ state->m_dvbc_bitrate = ul_dvbc_bitrate;
+
+ state->m_ts_data_strength = (ul_ts_data_strength & 0x07);
+
+ /* Maximum bitrate in b/s in case static clockrate is selected */
+ state->m_mpeg_ts_static_bitrate = 19392658;
+ state->m_disable_te_ihandling = false;
+
+ if (ul_insert_rs_byte)
+ state->m_insert_rs_byte = true;
+
+ state->m_mpeg_lock_time_out = DEFAULT_DRXK_MPEG_LOCK_TIMEOUT;
+ if (ul_mpeg_lock_time_out < 10000)
+ state->m_mpeg_lock_time_out = ul_mpeg_lock_time_out;
+ state->m_demod_lock_time_out = DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT;
+ if (ul_demod_lock_time_out < 10000)
+ state->m_demod_lock_time_out = ul_demod_lock_time_out;
+
+ /* QAM defaults */
+ state->m_constellation = DRX_CONSTELLATION_AUTO;
+ state->m_qam_interleave_mode = DRXK_QAM_I12_J17;
+ state->m_fec_rs_plen = 204 * 8; /* fecRsPlen annex A */
+ state->m_fec_rs_prescale = 1;
+
+ state->m_sqi_speed = DRXK_DVBT_SQI_SPEED_MEDIUM;
+ state->m_agcfast_clip_ctrl_delay = 0;
+
+ state->m_gpio_cfg = ul_gpio_cfg;
+
+ state->m_b_power_down = false;
+ state->m_current_power_mode = DRX_POWER_DOWN;
+
+ state->m_rfmirror = (ul_rf_mirror == 0);
+ state->m_if_agc_pol = false;
+ return 0;
+}
+
+static int drxx_open(struct drxk_state *state)
+{
+ int status = 0;
+ u32 jtag = 0;
+ u16 bid = 0;
+ u16 key = 0;
+
+ dprintk(1, "\n");
+ /* stop lock indicator process */
+ status = write16(state, SCU_RAM_GPIO__A,
+ SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+ /* Check device id */
+ status = read16(state, SIO_TOP_COMM_KEY__A, &key);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
+ if (status < 0)
+ goto error;
+ status = read32(state, SIO_TOP_JTAGID_LO__A, &jtag);
+ if (status < 0)
+ goto error;
+ status = read16(state, SIO_PDR_UIO_IN_HI__A, &bid);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_TOP_COMM_KEY__A, key);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int get_device_capabilities(struct drxk_state *state)
+{
+ u16 sio_pdr_ohw_cfg = 0;
+ u32 sio_top_jtagid_lo = 0;
+ int status;
+ const char *spin = "";
+
+ dprintk(1, "\n");
+
+ /* driver 0.9.0 */
+ /* stop lock indicator process */
+ status = write16(state, SCU_RAM_GPIO__A,
+ SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
+ if (status < 0)
+ goto error;
+ status = read16(state, SIO_PDR_OHW_CFG__A, &sio_pdr_ohw_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
+ if (status < 0)
+ goto error;
+
+ switch ((sio_pdr_ohw_cfg & SIO_PDR_OHW_CFG_FREF_SEL__M)) {
+ case 0:
+ /* ignore (bypass ?) */
+ break;
+ case 1:
+ /* 27 MHz */
+ state->m_osc_clock_freq = 27000;
+ break;
+ case 2:
+ /* 20.25 MHz */
+ state->m_osc_clock_freq = 20250;
+ break;
+ case 3:
+ /* 4 MHz */
+ state->m_osc_clock_freq = 20250;
+ break;
+ default:
+ pr_err("Clock Frequency is unknown\n");
+ return -EINVAL;
+ }
+ /*
+ Determine device capabilities
+ Based on pinning v14
+ */
+ status = read32(state, SIO_TOP_JTAGID_LO__A, &sio_top_jtagid_lo);
+ if (status < 0)
+ goto error;
+
+ pr_info("status = 0x%08x\n", sio_top_jtagid_lo);
+
+ /* driver 0.9.0 */
+ switch ((sio_top_jtagid_lo >> 29) & 0xF) {
+ case 0:
+ state->m_device_spin = DRXK_SPIN_A1;
+ spin = "A1";
+ break;
+ case 2:
+ state->m_device_spin = DRXK_SPIN_A2;
+ spin = "A2";
+ break;
+ case 3:
+ state->m_device_spin = DRXK_SPIN_A3;
+ spin = "A3";
+ break;
+ default:
+ state->m_device_spin = DRXK_SPIN_UNKNOWN;
+ status = -EINVAL;
+ pr_err("Spin %d unknown\n", (sio_top_jtagid_lo >> 29) & 0xF);
+ goto error2;
+ }
+ switch ((sio_top_jtagid_lo >> 12) & 0xFF) {
+ case 0x13:
+ /* typeId = DRX3913K_TYPE_ID */
+ state->m_has_lna = false;
+ state->m_has_oob = false;
+ state->m_has_atv = false;
+ state->m_has_audio = false;
+ state->m_has_dvbt = true;
+ state->m_has_dvbc = true;
+ state->m_has_sawsw = true;
+ state->m_has_gpio2 = false;
+ state->m_has_gpio1 = false;
+ state->m_has_irqn = false;
+ break;
+ case 0x15:
+ /* typeId = DRX3915K_TYPE_ID */
+ state->m_has_lna = false;
+ state->m_has_oob = false;
+ state->m_has_atv = true;
+ state->m_has_audio = false;
+ state->m_has_dvbt = true;
+ state->m_has_dvbc = false;
+ state->m_has_sawsw = true;
+ state->m_has_gpio2 = true;
+ state->m_has_gpio1 = true;
+ state->m_has_irqn = false;
+ break;
+ case 0x16:
+ /* typeId = DRX3916K_TYPE_ID */
+ state->m_has_lna = false;
+ state->m_has_oob = false;
+ state->m_has_atv = true;
+ state->m_has_audio = false;
+ state->m_has_dvbt = true;
+ state->m_has_dvbc = false;
+ state->m_has_sawsw = true;
+ state->m_has_gpio2 = true;
+ state->m_has_gpio1 = true;
+ state->m_has_irqn = false;
+ break;
+ case 0x18:
+ /* typeId = DRX3918K_TYPE_ID */
+ state->m_has_lna = false;
+ state->m_has_oob = false;
+ state->m_has_atv = true;
+ state->m_has_audio = true;
+ state->m_has_dvbt = true;
+ state->m_has_dvbc = false;
+ state->m_has_sawsw = true;
+ state->m_has_gpio2 = true;
+ state->m_has_gpio1 = true;
+ state->m_has_irqn = false;
+ break;
+ case 0x21:
+ /* typeId = DRX3921K_TYPE_ID */
+ state->m_has_lna = false;
+ state->m_has_oob = false;
+ state->m_has_atv = true;
+ state->m_has_audio = true;
+ state->m_has_dvbt = true;
+ state->m_has_dvbc = true;
+ state->m_has_sawsw = true;
+ state->m_has_gpio2 = true;
+ state->m_has_gpio1 = true;
+ state->m_has_irqn = false;
+ break;
+ case 0x23:
+ /* typeId = DRX3923K_TYPE_ID */
+ state->m_has_lna = false;
+ state->m_has_oob = false;
+ state->m_has_atv = true;
+ state->m_has_audio = true;
+ state->m_has_dvbt = true;
+ state->m_has_dvbc = true;
+ state->m_has_sawsw = true;
+ state->m_has_gpio2 = true;
+ state->m_has_gpio1 = true;
+ state->m_has_irqn = false;
+ break;
+ case 0x25:
+ /* typeId = DRX3925K_TYPE_ID */
+ state->m_has_lna = false;
+ state->m_has_oob = false;
+ state->m_has_atv = true;
+ state->m_has_audio = true;
+ state->m_has_dvbt = true;
+ state->m_has_dvbc = true;
+ state->m_has_sawsw = true;
+ state->m_has_gpio2 = true;
+ state->m_has_gpio1 = true;
+ state->m_has_irqn = false;
+ break;
+ case 0x26:
+ /* typeId = DRX3926K_TYPE_ID */
+ state->m_has_lna = false;
+ state->m_has_oob = false;
+ state->m_has_atv = true;
+ state->m_has_audio = false;
+ state->m_has_dvbt = true;
+ state->m_has_dvbc = true;
+ state->m_has_sawsw = true;
+ state->m_has_gpio2 = true;
+ state->m_has_gpio1 = true;
+ state->m_has_irqn = false;
+ break;
+ default:
+ pr_err("DeviceID 0x%02x not supported\n",
+ ((sio_top_jtagid_lo >> 12) & 0xFF));
+ status = -EINVAL;
+ goto error2;
+ }
+
+ pr_info("detected a drx-39%02xk, spin %s, xtal %d.%03d MHz\n",
+ ((sio_top_jtagid_lo >> 12) & 0xFF), spin,
+ state->m_osc_clock_freq / 1000,
+ state->m_osc_clock_freq % 1000);
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+error2:
+ return status;
+}
+
+static int hi_command(struct drxk_state *state, u16 cmd, u16 *p_result)
+{
+ int status;
+ bool powerdown_cmd;
+
+ dprintk(1, "\n");
+
+ /* Write command */
+ status = write16(state, SIO_HI_RA_RAM_CMD__A, cmd);
+ if (status < 0)
+ goto error;
+ if (cmd == SIO_HI_RA_RAM_CMD_RESET)
+ usleep_range(1000, 2000);
+
+ powerdown_cmd =
+ (bool) ((cmd == SIO_HI_RA_RAM_CMD_CONFIG) &&
+ ((state->m_hi_cfg_ctrl) &
+ SIO_HI_RA_RAM_PAR_5_CFG_SLEEP__M) ==
+ SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ);
+ if (!powerdown_cmd) {
+ /* Wait until command rdy */
+ u32 retry_count = 0;
+ u16 wait_cmd;
+
+ do {
+ usleep_range(1000, 2000);
+ retry_count += 1;
+ status = read16(state, SIO_HI_RA_RAM_CMD__A,
+ &wait_cmd);
+ } while ((status < 0) && (retry_count < DRXK_MAX_RETRIES)
+ && (wait_cmd != 0));
+ if (status < 0)
+ goto error;
+ status = read16(state, SIO_HI_RA_RAM_RES__A, p_result);
+ }
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int hi_cfg_command(struct drxk_state *state)
+{
+ int status;
+
+ dprintk(1, "\n");
+
+ mutex_lock(&state->mutex);
+
+ status = write16(state, SIO_HI_RA_RAM_PAR_6__A,
+ state->m_hi_cfg_timeout);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_5__A,
+ state->m_hi_cfg_ctrl);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_4__A,
+ state->m_hi_cfg_wake_up_key);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_3__A,
+ state->m_hi_cfg_bridge_delay);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_2__A,
+ state->m_hi_cfg_timing_div);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_1__A,
+ SIO_HI_RA_RAM_PAR_1_PAR1_SEC_KEY);
+ if (status < 0)
+ goto error;
+ status = hi_command(state, SIO_HI_RA_RAM_CMD_CONFIG, NULL);
+ if (status < 0)
+ goto error;
+
+ state->m_hi_cfg_ctrl &= ~SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
+error:
+ mutex_unlock(&state->mutex);
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int init_hi(struct drxk_state *state)
+{
+ dprintk(1, "\n");
+
+ state->m_hi_cfg_wake_up_key = (state->demod_address << 1);
+ state->m_hi_cfg_timeout = 0x96FF;
+ /* port/bridge/power down ctrl */
+ state->m_hi_cfg_ctrl = SIO_HI_RA_RAM_PAR_5_CFG_SLV0_SLAVE;
+
+ return hi_cfg_command(state);
+}
+
+static int mpegts_configure_pins(struct drxk_state *state, bool mpeg_enable)
+{
+ int status = -1;
+ u16 sio_pdr_mclk_cfg = 0;
+ u16 sio_pdr_mdx_cfg = 0;
+ u16 err_cfg = 0;
+
+ dprintk(1, ": mpeg %s, %s mode\n",
+ mpeg_enable ? "enable" : "disable",
+ state->m_enable_parallel ? "parallel" : "serial");
+
+ /* stop lock indicator process */
+ status = write16(state, SCU_RAM_GPIO__A,
+ SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+
+ /* MPEG TS pad configuration */
+ status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
+ if (status < 0)
+ goto error;
+
+ if (!mpeg_enable) {
+ /* Set MPEG TS pads to inputmode */
+ status = write16(state, SIO_PDR_MSTRT_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MERR_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MCLK_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MVAL_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD0_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD1_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD2_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD3_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD4_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD5_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD6_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD7_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ } else {
+ /* Enable MPEG output */
+ sio_pdr_mdx_cfg =
+ ((state->m_ts_data_strength <<
+ SIO_PDR_MD0_CFG_DRIVE__B) | 0x0003);
+ sio_pdr_mclk_cfg = ((state->m_ts_clockk_strength <<
+ SIO_PDR_MCLK_CFG_DRIVE__B) |
+ 0x0003);
+
+ status = write16(state, SIO_PDR_MSTRT_CFG__A, sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+
+ if (state->enable_merr_cfg)
+ err_cfg = sio_pdr_mdx_cfg;
+
+ status = write16(state, SIO_PDR_MERR_CFG__A, err_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MVAL_CFG__A, err_cfg);
+ if (status < 0)
+ goto error;
+
+ if (state->m_enable_parallel) {
+ /* parallel -> enable MD1 to MD7 */
+ status = write16(state, SIO_PDR_MD1_CFG__A,
+ sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD2_CFG__A,
+ sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD3_CFG__A,
+ sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD4_CFG__A,
+ sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD5_CFG__A,
+ sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD6_CFG__A,
+ sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD7_CFG__A,
+ sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+ } else {
+ sio_pdr_mdx_cfg = ((state->m_ts_data_strength <<
+ SIO_PDR_MD0_CFG_DRIVE__B)
+ | 0x0003);
+ /* serial -> disable MD1 to MD7 */
+ status = write16(state, SIO_PDR_MD1_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD2_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD3_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD4_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD5_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD6_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD7_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ }
+ status = write16(state, SIO_PDR_MCLK_CFG__A, sio_pdr_mclk_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD0_CFG__A, sio_pdr_mdx_cfg);
+ if (status < 0)
+ goto error;
+ }
+ /* Enable MB output over MPEG pads and ctl input */
+ status = write16(state, SIO_PDR_MON_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ /* Write nomagic word to enable pdr reg write */
+ status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int mpegts_disable(struct drxk_state *state)
+{
+ dprintk(1, "\n");
+
+ return mpegts_configure_pins(state, false);
+}
+
+static int bl_chain_cmd(struct drxk_state *state,
+ u16 rom_offset, u16 nr_of_elements, u32 time_out)
+{
+ u16 bl_status = 0;
+ int status;
+ unsigned long end;
+
+ dprintk(1, "\n");
+ mutex_lock(&state->mutex);
+ status = write16(state, SIO_BL_MODE__A, SIO_BL_MODE_CHAIN);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_CHAIN_ADDR__A, rom_offset);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_CHAIN_LEN__A, nr_of_elements);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_ENABLE__A, SIO_BL_ENABLE_ON);
+ if (status < 0)
+ goto error;
+
+ end = jiffies + msecs_to_jiffies(time_out);
+ do {
+ usleep_range(1000, 2000);
+ status = read16(state, SIO_BL_STATUS__A, &bl_status);
+ if (status < 0)
+ goto error;
+ } while ((bl_status == 0x1) &&
+ ((time_is_after_jiffies(end))));
+
+ if (bl_status == 0x1) {
+ pr_err("SIO not ready\n");
+ status = -EINVAL;
+ goto error2;
+ }
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+error2:
+ mutex_unlock(&state->mutex);
+ return status;
+}
+
+
+static int download_microcode(struct drxk_state *state,
+ const u8 p_mc_image[], u32 length)
+{
+ const u8 *p_src = p_mc_image;
+ u32 address;
+ u16 n_blocks;
+ u16 block_size;
+ u32 offset = 0;
+ u32 i;
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ /* down the drain (we don't care about MAGIC_WORD) */
+#if 0
+ /* For future reference */
+ drain = (p_src[0] << 8) | p_src[1];
+#endif
+ p_src += sizeof(u16);
+ offset += sizeof(u16);
+ n_blocks = (p_src[0] << 8) | p_src[1];
+ p_src += sizeof(u16);
+ offset += sizeof(u16);
+
+ for (i = 0; i < n_blocks; i += 1) {
+ address = (p_src[0] << 24) | (p_src[1] << 16) |
+ (p_src[2] << 8) | p_src[3];
+ p_src += sizeof(u32);
+ offset += sizeof(u32);
+
+ block_size = ((p_src[0] << 8) | p_src[1]) * sizeof(u16);
+ p_src += sizeof(u16);
+ offset += sizeof(u16);
+
+#if 0
+ /* For future reference */
+ flags = (p_src[0] << 8) | p_src[1];
+#endif
+ p_src += sizeof(u16);
+ offset += sizeof(u16);
+
+#if 0
+ /* For future reference */
+ block_crc = (p_src[0] << 8) | p_src[1];
+#endif
+ p_src += sizeof(u16);
+ offset += sizeof(u16);
+
+ if (offset + block_size > length) {
+ pr_err("Firmware is corrupted.\n");
+ return -EINVAL;
+ }
+
+ status = write_block(state, address, block_size, p_src);
+ if (status < 0) {
+ pr_err("Error %d while loading firmware\n", status);
+ break;
+ }
+ p_src += block_size;
+ offset += block_size;
+ }
+ return status;
+}
+
+static int dvbt_enable_ofdm_token_ring(struct drxk_state *state, bool enable)
+{
+ int status;
+ u16 data = 0;
+ u16 desired_ctrl = SIO_OFDM_SH_OFDM_RING_ENABLE_ON;
+ u16 desired_status = SIO_OFDM_SH_OFDM_RING_STATUS_ENABLED;
+ unsigned long end;
+
+ dprintk(1, "\n");
+
+ if (!enable) {
+ desired_ctrl = SIO_OFDM_SH_OFDM_RING_ENABLE_OFF;
+ desired_status = SIO_OFDM_SH_OFDM_RING_STATUS_DOWN;
+ }
+
+ status = read16(state, SIO_OFDM_SH_OFDM_RING_STATUS__A, &data);
+ if (status >= 0 && data == desired_status) {
+ /* tokenring already has correct status */
+ return status;
+ }
+ /* Disable/enable dvbt tokenring bridge */
+ status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, desired_ctrl);
+
+ end = jiffies + msecs_to_jiffies(DRXK_OFDM_TR_SHUTDOWN_TIMEOUT);
+ do {
+ status = read16(state, SIO_OFDM_SH_OFDM_RING_STATUS__A, &data);
+ if ((status >= 0 && data == desired_status)
+ || time_is_after_jiffies(end))
+ break;
+ usleep_range(1000, 2000);
+ } while (1);
+ if (data != desired_status) {
+ pr_err("SIO not ready\n");
+ return -EINVAL;
+ }
+ return status;
+}
+
+static int mpegts_stop(struct drxk_state *state)
+{
+ int status = 0;
+ u16 fec_oc_snc_mode = 0;
+ u16 fec_oc_ipr_mode = 0;
+
+ dprintk(1, "\n");
+
+ /* Graceful shutdown (byte boundaries) */
+ status = read16(state, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode);
+ if (status < 0)
+ goto error;
+ fec_oc_snc_mode |= FEC_OC_SNC_MODE_SHUTDOWN__M;
+ status = write16(state, FEC_OC_SNC_MODE__A, fec_oc_snc_mode);
+ if (status < 0)
+ goto error;
+
+ /* Suppress MCLK during absence of data */
+ status = read16(state, FEC_OC_IPR_MODE__A, &fec_oc_ipr_mode);
+ if (status < 0)
+ goto error;
+ fec_oc_ipr_mode |= FEC_OC_IPR_MODE_MCLK_DIS_DAT_ABS__M;
+ status = write16(state, FEC_OC_IPR_MODE__A, fec_oc_ipr_mode);
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int scu_command(struct drxk_state *state,
+ u16 cmd, u8 parameter_len,
+ u16 *parameter, u8 result_len, u16 *result)
+{
+#if (SCU_RAM_PARAM_0__A - SCU_RAM_PARAM_15__A) != 15
+#error DRXK register mapping no longer compatible with this routine!
+#endif
+ u16 cur_cmd = 0;
+ int status = -EINVAL;
+ unsigned long end;
+ u8 buffer[34];
+ int cnt = 0, ii;
+ const char *p;
+ char errname[30];
+
+ dprintk(1, "\n");
+
+ if ((cmd == 0) || ((parameter_len > 0) && (parameter == NULL)) ||
+ ((result_len > 0) && (result == NULL))) {
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+ }
+
+ mutex_lock(&state->mutex);
+
+ /* assume that the command register is ready
+ since it is checked afterwards */
+ for (ii = parameter_len - 1; ii >= 0; ii -= 1) {
+ buffer[cnt++] = (parameter[ii] & 0xFF);
+ buffer[cnt++] = ((parameter[ii] >> 8) & 0xFF);
+ }
+ buffer[cnt++] = (cmd & 0xFF);
+ buffer[cnt++] = ((cmd >> 8) & 0xFF);
+
+ write_block(state, SCU_RAM_PARAM_0__A -
+ (parameter_len - 1), cnt, buffer);
+ /* Wait until SCU has processed command */
+ end = jiffies + msecs_to_jiffies(DRXK_MAX_WAITTIME);
+ do {
+ usleep_range(1000, 2000);
+ status = read16(state, SCU_RAM_COMMAND__A, &cur_cmd);
+ if (status < 0)
+ goto error;
+ } while (!(cur_cmd == DRX_SCU_READY) && (time_is_after_jiffies(end)));
+ if (cur_cmd != DRX_SCU_READY) {
+ pr_err("SCU not ready\n");
+ status = -EIO;
+ goto error2;
+ }
+ /* read results */
+ if ((result_len > 0) && (result != NULL)) {
+ s16 err;
+ int ii;
+
+ for (ii = result_len - 1; ii >= 0; ii -= 1) {
+ status = read16(state, SCU_RAM_PARAM_0__A - ii,
+ &result[ii]);
+ if (status < 0)
+ goto error;
+ }
+
+ /* Check if an error was reported by SCU */
+ err = (s16)result[0];
+ if (err >= 0)
+ goto error;
+
+ /* check for the known error codes */
+ switch (err) {
+ case SCU_RESULT_UNKCMD:
+ p = "SCU_RESULT_UNKCMD";
+ break;
+ case SCU_RESULT_UNKSTD:
+ p = "SCU_RESULT_UNKSTD";
+ break;
+ case SCU_RESULT_SIZE:
+ p = "SCU_RESULT_SIZE";
+ break;
+ case SCU_RESULT_INVPAR:
+ p = "SCU_RESULT_INVPAR";
+ break;
+ default: /* Other negative values are errors */
+ sprintf(errname, "ERROR: %d\n", err);
+ p = errname;
+ }
+ pr_err("%s while sending cmd 0x%04x with params:", p, cmd);
+ print_hex_dump_bytes("drxk: ", DUMP_PREFIX_NONE, buffer, cnt);
+ status = -EINVAL;
+ goto error2;
+ }
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+error2:
+ mutex_unlock(&state->mutex);
+ return status;
+}
+
+static int set_iqm_af(struct drxk_state *state, bool active)
+{
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ /* Configure IQM */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+
+ if (!active) {
+ data |= (IQM_AF_STDBY_STDBY_ADC_STANDBY
+ | IQM_AF_STDBY_STDBY_AMP_STANDBY
+ | IQM_AF_STDBY_STDBY_PD_STANDBY
+ | IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY
+ | IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY);
+ } else {
+ data &= ((~IQM_AF_STDBY_STDBY_ADC_STANDBY)
+ & (~IQM_AF_STDBY_STDBY_AMP_STANDBY)
+ & (~IQM_AF_STDBY_STDBY_PD_STANDBY)
+ & (~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY)
+ & (~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY)
+ );
+ }
+ status = write16(state, IQM_AF_STDBY__A, data);
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int ctrl_power_mode(struct drxk_state *state, enum drx_power_mode *mode)
+{
+ int status = 0;
+ u16 sio_cc_pwd_mode = 0;
+
+ dprintk(1, "\n");
+
+ /* Check arguments */
+ if (mode == NULL)
+ return -EINVAL;
+
+ switch (*mode) {
+ case DRX_POWER_UP:
+ sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_NONE;
+ break;
+ case DRXK_POWER_DOWN_OFDM:
+ sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_OFDM;
+ break;
+ case DRXK_POWER_DOWN_CORE:
+ sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_CLOCK;
+ break;
+ case DRXK_POWER_DOWN_PLL:
+ sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_PLL;
+ break;
+ case DRX_POWER_DOWN:
+ sio_cc_pwd_mode = SIO_CC_PWD_MODE_LEVEL_OSC;
+ break;
+ default:
+ /* Unknow sleep mode */
+ return -EINVAL;
+ }
+
+ /* If already in requested power mode, do nothing */
+ if (state->m_current_power_mode == *mode)
+ return 0;
+
+ /* For next steps make sure to start from DRX_POWER_UP mode */
+ if (state->m_current_power_mode != DRX_POWER_UP) {
+ status = power_up_device(state);
+ if (status < 0)
+ goto error;
+ status = dvbt_enable_ofdm_token_ring(state, true);
+ if (status < 0)
+ goto error;
+ }
+
+ if (*mode == DRX_POWER_UP) {
+ /* Restore analog & pin configuartion */
+ } else {
+ /* Power down to requested mode */
+ /* Backup some register settings */
+ /* Set pins with possible pull-ups connected
+ to them in input mode */
+ /* Analog power down */
+ /* ADC power down */
+ /* Power down device */
+ /* stop all comm_exec */
+ /* Stop and power down previous standard */
+ switch (state->m_operation_mode) {
+ case OM_DVBT:
+ status = mpegts_stop(state);
+ if (status < 0)
+ goto error;
+ status = power_down_dvbt(state, false);
+ if (status < 0)
+ goto error;
+ break;
+ case OM_QAM_ITU_A:
+ case OM_QAM_ITU_C:
+ status = mpegts_stop(state);
+ if (status < 0)
+ goto error;
+ status = power_down_qam(state);
+ if (status < 0)
+ goto error;
+ break;
+ default:
+ break;
+ }
+ status = dvbt_enable_ofdm_token_ring(state, false);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_PWD_MODE__A, sio_cc_pwd_mode);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
+ if (status < 0)
+ goto error;
+
+ if (*mode != DRXK_POWER_DOWN_OFDM) {
+ state->m_hi_cfg_ctrl |=
+ SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
+ status = hi_cfg_command(state);
+ if (status < 0)
+ goto error;
+ }
+ }
+ state->m_current_power_mode = *mode;
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int power_down_dvbt(struct drxk_state *state, bool set_power_mode)
+{
+ enum drx_power_mode power_mode = DRXK_POWER_DOWN_OFDM;
+ u16 cmd_result = 0;
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ status = read16(state, SCU_COMM_EXEC__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == SCU_COMM_EXEC_ACTIVE) {
+ /* Send OFDM stop command */
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_OFDM
+ | SCU_RAM_COMMAND_CMD_DEMOD_STOP,
+ 0, NULL, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+ /* Send OFDM reset command */
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_OFDM
+ | SCU_RAM_COMMAND_CMD_DEMOD_RESET,
+ 0, NULL, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+ }
+
+ /* Reset datapath for OFDM, processors first */
+ status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
+ if (status < 0)
+ goto error;
+
+ /* powerdown AFE */
+ status = set_iqm_af(state, false);
+ if (status < 0)
+ goto error;
+
+ /* powerdown to OFDM mode */
+ if (set_power_mode) {
+ status = ctrl_power_mode(state, &power_mode);
+ if (status < 0)
+ goto error;
+ }
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int setoperation_mode(struct drxk_state *state,
+ enum operation_mode o_mode)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /*
+ Stop and power down previous standard
+ TODO investigate total power down instead of partial
+ power down depending on "previous" standard.
+ */
+
+ /* disable HW lock indicator */
+ status = write16(state, SCU_RAM_GPIO__A,
+ SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+
+ /* Device is already at the required mode */
+ if (state->m_operation_mode == o_mode)
+ return 0;
+
+ switch (state->m_operation_mode) {
+ /* OM_NONE was added for start up */
+ case OM_NONE:
+ break;
+ case OM_DVBT:
+ status = mpegts_stop(state);
+ if (status < 0)
+ goto error;
+ status = power_down_dvbt(state, true);
+ if (status < 0)
+ goto error;
+ state->m_operation_mode = OM_NONE;
+ break;
+ case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_C:
+ status = mpegts_stop(state);
+ if (status < 0)
+ goto error;
+ status = power_down_qam(state);
+ if (status < 0)
+ goto error;
+ state->m_operation_mode = OM_NONE;
+ break;
+ case OM_QAM_ITU_B:
+ default:
+ status = -EINVAL;
+ goto error;
+ }
+
+ /*
+ Power up new standard
+ */
+ switch (o_mode) {
+ case OM_DVBT:
+ dprintk(1, ": DVB-T\n");
+ state->m_operation_mode = o_mode;
+ status = set_dvbt_standard(state, o_mode);
+ if (status < 0)
+ goto error;
+ break;
+ case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_C:
+ dprintk(1, ": DVB-C Annex %c\n",
+ (state->m_operation_mode == OM_QAM_ITU_A) ? 'A' : 'C');
+ state->m_operation_mode = o_mode;
+ status = set_qam_standard(state, o_mode);
+ if (status < 0)
+ goto error;
+ break;
+ case OM_QAM_ITU_B:
+ default:
+ status = -EINVAL;
+ }
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int start(struct drxk_state *state, s32 offset_freq,
+ s32 intermediate_frequency)
+{
+ int status = -EINVAL;
+
+ u16 i_freqk_hz;
+ s32 offsetk_hz = offset_freq / 1000;
+
+ dprintk(1, "\n");
+ if (state->m_drxk_state != DRXK_STOPPED &&
+ state->m_drxk_state != DRXK_DTV_STARTED)
+ goto error;
+
+ state->m_b_mirror_freq_spect = (state->props.inversion == INVERSION_ON);
+
+ if (intermediate_frequency < 0) {
+ state->m_b_mirror_freq_spect = !state->m_b_mirror_freq_spect;
+ intermediate_frequency = -intermediate_frequency;
+ }
+
+ switch (state->m_operation_mode) {
+ case OM_QAM_ITU_A:
+ case OM_QAM_ITU_C:
+ i_freqk_hz = (intermediate_frequency / 1000);
+ status = set_qam(state, i_freqk_hz, offsetk_hz);
+ if (status < 0)
+ goto error;
+ state->m_drxk_state = DRXK_DTV_STARTED;
+ break;
+ case OM_DVBT:
+ i_freqk_hz = (intermediate_frequency / 1000);
+ status = mpegts_stop(state);
+ if (status < 0)
+ goto error;
+ status = set_dvbt(state, i_freqk_hz, offsetk_hz);
+ if (status < 0)
+ goto error;
+ status = dvbt_start(state);
+ if (status < 0)
+ goto error;
+ state->m_drxk_state = DRXK_DTV_STARTED;
+ break;
+ default:
+ break;
+ }
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int shut_down(struct drxk_state *state)
+{
+ dprintk(1, "\n");
+
+ mpegts_stop(state);
+ return 0;
+}
+
+static int get_lock_status(struct drxk_state *state, u32 *p_lock_status)
+{
+ int status = -EINVAL;
+
+ dprintk(1, "\n");
+
+ if (p_lock_status == NULL)
+ goto error;
+
+ *p_lock_status = NOT_LOCKED;
+
+ /* define the SCU command code */
+ switch (state->m_operation_mode) {
+ case OM_QAM_ITU_A:
+ case OM_QAM_ITU_B:
+ case OM_QAM_ITU_C:
+ status = get_qam_lock_status(state, p_lock_status);
+ break;
+ case OM_DVBT:
+ status = get_dvbt_lock_status(state, p_lock_status);
+ break;
+ default:
+ break;
+ }
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int mpegts_start(struct drxk_state *state)
+{
+ int status;
+
+ u16 fec_oc_snc_mode = 0;
+
+ /* Allow OC to sync again */
+ status = read16(state, FEC_OC_SNC_MODE__A, &fec_oc_snc_mode);
+ if (status < 0)
+ goto error;
+ fec_oc_snc_mode &= ~FEC_OC_SNC_MODE_SHUTDOWN__M;
+ status = write16(state, FEC_OC_SNC_MODE__A, fec_oc_snc_mode);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_SNC_UNLOCK__A, 1);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int mpegts_dto_init(struct drxk_state *state)
+{
+ int status;
+
+ dprintk(1, "\n");
+
+ /* Rate integration settings */
+ status = write16(state, FEC_OC_RCN_CTL_STEP_LO__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_RCN_CTL_STEP_HI__A, 0x000C);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_RCN_GAIN__A, 0x000A);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_AVR_PARM_A__A, 0x0008);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_AVR_PARM_B__A, 0x0006);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_HI_MARGIN__A, 0x0680);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_LO_MARGIN__A, 0x0080);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_COUNT__A, 0x03F4);
+ if (status < 0)
+ goto error;
+
+ /* Additional configuration */
+ status = write16(state, FEC_OC_OCR_INVERT__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_SNC_LWM__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_SNC_HWM__A, 12);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int mpegts_dto_setup(struct drxk_state *state,
+ enum operation_mode o_mode)
+{
+ int status;
+
+ u16 fec_oc_reg_mode = 0; /* FEC_OC_MODE register value */
+ u16 fec_oc_reg_ipr_mode = 0; /* FEC_OC_IPR_MODE register value */
+ u16 fec_oc_dto_mode = 0; /* FEC_OC_IPR_INVERT register value */
+ u16 fec_oc_fct_mode = 0; /* FEC_OC_IPR_INVERT register value */
+ u16 fec_oc_dto_period = 2; /* FEC_OC_IPR_INVERT register value */
+ u16 fec_oc_dto_burst_len = 188; /* FEC_OC_IPR_INVERT register value */
+ u32 fec_oc_rcn_ctl_rate = 0; /* FEC_OC_IPR_INVERT register value */
+ u16 fec_oc_tmd_mode = 0;
+ u16 fec_oc_tmd_int_upd_rate = 0;
+ u32 max_bit_rate = 0;
+ bool static_clk = false;
+
+ dprintk(1, "\n");
+
+ /* Check insertion of the Reed-Solomon parity bytes */
+ status = read16(state, FEC_OC_MODE__A, &fec_oc_reg_mode);
+ if (status < 0)
+ goto error;
+ status = read16(state, FEC_OC_IPR_MODE__A, &fec_oc_reg_ipr_mode);
+ if (status < 0)
+ goto error;
+ fec_oc_reg_mode &= (~FEC_OC_MODE_PARITY__M);
+ fec_oc_reg_ipr_mode &= (~FEC_OC_IPR_MODE_MVAL_DIS_PAR__M);
+ if (state->m_insert_rs_byte) {
+ /* enable parity symbol forward */
+ fec_oc_reg_mode |= FEC_OC_MODE_PARITY__M;
+ /* MVAL disable during parity bytes */
+ fec_oc_reg_ipr_mode |= FEC_OC_IPR_MODE_MVAL_DIS_PAR__M;
+ /* TS burst length to 204 */
+ fec_oc_dto_burst_len = 204;
+ }
+
+ /* Check serial or parallel output */
+ fec_oc_reg_ipr_mode &= (~(FEC_OC_IPR_MODE_SERIAL__M));
+ if (!state->m_enable_parallel) {
+ /* MPEG data output is serial -> set ipr_mode[0] */
+ fec_oc_reg_ipr_mode |= FEC_OC_IPR_MODE_SERIAL__M;
+ }
+
+ switch (o_mode) {
+ case OM_DVBT:
+ max_bit_rate = state->m_dvbt_bitrate;
+ fec_oc_tmd_mode = 3;
+ fec_oc_rcn_ctl_rate = 0xC00000;
+ static_clk = state->m_dvbt_static_clk;
+ break;
+ case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_C:
+ fec_oc_tmd_mode = 0x0004;
+ fec_oc_rcn_ctl_rate = 0xD2B4EE; /* good for >63 Mb/s */
+ max_bit_rate = state->m_dvbc_bitrate;
+ static_clk = state->m_dvbc_static_clk;
+ break;
+ default:
+ status = -EINVAL;
+ } /* switch (standard) */
+ if (status < 0)
+ goto error;
+
+ /* Configure DTO's */
+ if (static_clk) {
+ u32 bit_rate = 0;
+
+ /* Rational DTO for MCLK source (static MCLK rate),
+ Dynamic DTO for optimal grouping
+ (avoid intra-packet gaps),
+ DTO offset enable to sync TS burst with MSTRT */
+ fec_oc_dto_mode = (FEC_OC_DTO_MODE_DYNAMIC__M |
+ FEC_OC_DTO_MODE_OFFSET_ENABLE__M);
+ fec_oc_fct_mode = (FEC_OC_FCT_MODE_RAT_ENA__M |
+ FEC_OC_FCT_MODE_VIRT_ENA__M);
+
+ /* Check user defined bitrate */
+ bit_rate = max_bit_rate;
+ if (bit_rate > 75900000UL) { /* max is 75.9 Mb/s */
+ bit_rate = 75900000UL;
+ }
+ /* Rational DTO period:
+ dto_period = (Fsys / bitrate) - 2
+
+ result should be floored,
+ to make sure >= requested bitrate
+ */
+ fec_oc_dto_period = (u16) (((state->m_sys_clock_freq)
+ * 1000) / bit_rate);
+ if (fec_oc_dto_period <= 2)
+ fec_oc_dto_period = 0;
+ else
+ fec_oc_dto_period -= 2;
+ fec_oc_tmd_int_upd_rate = 8;
+ } else {
+ /* (commonAttr->static_clk == false) => dynamic mode */
+ fec_oc_dto_mode = FEC_OC_DTO_MODE_DYNAMIC__M;
+ fec_oc_fct_mode = FEC_OC_FCT_MODE__PRE;
+ fec_oc_tmd_int_upd_rate = 5;
+ }
+
+ /* Write appropriate registers with requested configuration */
+ status = write16(state, FEC_OC_DTO_BURST_LEN__A, fec_oc_dto_burst_len);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_DTO_PERIOD__A, fec_oc_dto_period);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_DTO_MODE__A, fec_oc_dto_mode);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_FCT_MODE__A, fec_oc_fct_mode);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_MODE__A, fec_oc_reg_mode);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_IPR_MODE__A, fec_oc_reg_ipr_mode);
+ if (status < 0)
+ goto error;
+
+ /* Rate integration settings */
+ status = write32(state, FEC_OC_RCN_CTL_RATE_LO__A, fec_oc_rcn_ctl_rate);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_INT_UPD_RATE__A,
+ fec_oc_tmd_int_upd_rate);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_MODE__A, fec_oc_tmd_mode);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int mpegts_configure_polarity(struct drxk_state *state)
+{
+ u16 fec_oc_reg_ipr_invert = 0;
+
+ /* Data mask for the output data byte */
+ u16 invert_data_mask =
+ FEC_OC_IPR_INVERT_MD7__M | FEC_OC_IPR_INVERT_MD6__M |
+ FEC_OC_IPR_INVERT_MD5__M | FEC_OC_IPR_INVERT_MD4__M |
+ FEC_OC_IPR_INVERT_MD3__M | FEC_OC_IPR_INVERT_MD2__M |
+ FEC_OC_IPR_INVERT_MD1__M | FEC_OC_IPR_INVERT_MD0__M;
+
+ dprintk(1, "\n");
+
+ /* Control selective inversion of output bits */
+ fec_oc_reg_ipr_invert &= (~(invert_data_mask));
+ if (state->m_invert_data)
+ fec_oc_reg_ipr_invert |= invert_data_mask;
+ fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MERR__M));
+ if (state->m_invert_err)
+ fec_oc_reg_ipr_invert |= FEC_OC_IPR_INVERT_MERR__M;
+ fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MSTRT__M));
+ if (state->m_invert_str)
+ fec_oc_reg_ipr_invert |= FEC_OC_IPR_INVERT_MSTRT__M;
+ fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MVAL__M));
+ if (state->m_invert_val)
+ fec_oc_reg_ipr_invert |= FEC_OC_IPR_INVERT_MVAL__M;
+ fec_oc_reg_ipr_invert &= (~(FEC_OC_IPR_INVERT_MCLK__M));
+ if (state->m_invert_clk)
+ fec_oc_reg_ipr_invert |= FEC_OC_IPR_INVERT_MCLK__M;
+
+ return write16(state, FEC_OC_IPR_INVERT__A, fec_oc_reg_ipr_invert);
+}
+
+#define SCU_RAM_AGC_KI_INV_RF_POL__M 0x4000
+
+static int set_agc_rf(struct drxk_state *state,
+ struct s_cfg_agc *p_agc_cfg, bool is_dtv)
+{
+ int status = -EINVAL;
+ u16 data = 0;
+ struct s_cfg_agc *p_if_agc_settings;
+
+ dprintk(1, "\n");
+
+ if (p_agc_cfg == NULL)
+ goto error;
+
+ switch (p_agc_cfg->ctrl_mode) {
+ case DRXK_AGC_CTRL_AUTO:
+ /* Enable RF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+
+ /* Enable SCU RF AGC loop */
+ data &= ~SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
+
+ /* Polarity */
+ if (state->m_rf_agc_pol)
+ data |= SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
+ else
+ data &= ~SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Set speed (using complementary reduction value) */
+ status = read16(state, SCU_RAM_AGC_KI_RED__A, &data);
+ if (status < 0)
+ goto error;
+
+ data &= ~SCU_RAM_AGC_KI_RED_RAGC_RED__M;
+ data |= (~(p_agc_cfg->speed <<
+ SCU_RAM_AGC_KI_RED_RAGC_RED__B)
+ & SCU_RAM_AGC_KI_RED_RAGC_RED__M);
+
+ status = write16(state, SCU_RAM_AGC_KI_RED__A, data);
+ if (status < 0)
+ goto error;
+
+ if (is_dvbt(state))
+ p_if_agc_settings = &state->m_dvbt_if_agc_cfg;
+ else if (is_qam(state))
+ p_if_agc_settings = &state->m_qam_if_agc_cfg;
+ else
+ p_if_agc_settings = &state->m_atv_if_agc_cfg;
+ if (p_if_agc_settings == NULL) {
+ status = -EINVAL;
+ goto error;
+ }
+
+ /* Set TOP, only if IF-AGC is in AUTO mode */
+ if (p_if_agc_settings->ctrl_mode == DRXK_AGC_CTRL_AUTO) {
+ status = write16(state,
+ SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A,
+ p_agc_cfg->top);
+ if (status < 0)
+ goto error;
+ }
+
+ /* Cut-Off current */
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_HI_CO__A,
+ p_agc_cfg->cut_off_current);
+ if (status < 0)
+ goto error;
+
+ /* Max. output level */
+ status = write16(state, SCU_RAM_AGC_RF_MAX__A,
+ p_agc_cfg->max_output_level);
+ if (status < 0)
+ goto error;
+
+ break;
+
+ case DRXK_AGC_CTRL_USER:
+ /* Enable RF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Disable SCU RF AGC loop */
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+ data |= SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
+ if (state->m_rf_agc_pol)
+ data |= SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
+ else
+ data &= ~SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* SCU c.o.c. to 0, enabling full control range */
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_HI_CO__A, 0);
+ if (status < 0)
+ goto error;
+
+ /* Write value to output pin */
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_HI__A,
+ p_agc_cfg->output_level);
+ if (status < 0)
+ goto error;
+ break;
+
+ case DRXK_AGC_CTRL_OFF:
+ /* Disable RF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data |= IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Disable SCU RF AGC loop */
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+ data |= SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+ break;
+
+ default:
+ status = -EINVAL;
+
+ }
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+#define SCU_RAM_AGC_KI_INV_IF_POL__M 0x2000
+
+static int set_agc_if(struct drxk_state *state,
+ struct s_cfg_agc *p_agc_cfg, bool is_dtv)
+{
+ u16 data = 0;
+ int status = 0;
+ struct s_cfg_agc *p_rf_agc_settings;
+
+ dprintk(1, "\n");
+
+ switch (p_agc_cfg->ctrl_mode) {
+ case DRXK_AGC_CTRL_AUTO:
+
+ /* Enable IF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+
+ /* Enable SCU IF AGC loop */
+ data &= ~SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
+
+ /* Polarity */
+ if (state->m_if_agc_pol)
+ data |= SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
+ else
+ data &= ~SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Set speed (using complementary reduction value) */
+ status = read16(state, SCU_RAM_AGC_KI_RED__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~SCU_RAM_AGC_KI_RED_IAGC_RED__M;
+ data |= (~(p_agc_cfg->speed <<
+ SCU_RAM_AGC_KI_RED_IAGC_RED__B)
+ & SCU_RAM_AGC_KI_RED_IAGC_RED__M);
+
+ status = write16(state, SCU_RAM_AGC_KI_RED__A, data);
+ if (status < 0)
+ goto error;
+
+ if (is_qam(state))
+ p_rf_agc_settings = &state->m_qam_rf_agc_cfg;
+ else
+ p_rf_agc_settings = &state->m_atv_rf_agc_cfg;
+ if (p_rf_agc_settings == NULL)
+ return -1;
+ /* Restore TOP */
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A,
+ p_rf_agc_settings->top);
+ if (status < 0)
+ goto error;
+ break;
+
+ case DRXK_AGC_CTRL_USER:
+
+ /* Enable IF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+
+ /* Disable SCU IF AGC loop */
+ data |= SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
+
+ /* Polarity */
+ if (state->m_if_agc_pol)
+ data |= SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
+ else
+ data &= ~SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Write value to output pin */
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A,
+ p_agc_cfg->output_level);
+ if (status < 0)
+ goto error;
+ break;
+
+ case DRXK_AGC_CTRL_OFF:
+
+ /* Disable If AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data |= IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Disable SCU IF AGC loop */
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+ data |= SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+ break;
+ } /* switch (agcSettingsIf->ctrl_mode) */
+
+ /* always set the top to support
+ configurations without if-loop */
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MIN__A, p_agc_cfg->top);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int get_qam_signal_to_noise(struct drxk_state *state,
+ s32 *p_signal_to_noise)
+{
+ int status = 0;
+ u16 qam_sl_err_power = 0; /* accum. error between
+ raw and sliced symbols */
+ u32 qam_sl_sig_power = 0; /* used for MER, depends of
+ QAM modulation */
+ u32 qam_sl_mer = 0; /* QAM MER */
+
+ dprintk(1, "\n");
+
+ /* MER calculation */
+
+ /* get the register value needed for MER */
+ status = read16(state, QAM_SL_ERR_POWER__A, &qam_sl_err_power);
+ if (status < 0) {
+ pr_err("Error %d on %s\n", status, __func__);
+ return -EINVAL;
+ }
+
+ switch (state->props.modulation) {
+ case QAM_16:
+ qam_sl_sig_power = DRXK_QAM_SL_SIG_POWER_QAM16 << 2;
+ break;
+ case QAM_32:
+ qam_sl_sig_power = DRXK_QAM_SL_SIG_POWER_QAM32 << 2;
+ break;
+ case QAM_64:
+ qam_sl_sig_power = DRXK_QAM_SL_SIG_POWER_QAM64 << 2;
+ break;
+ case QAM_128:
+ qam_sl_sig_power = DRXK_QAM_SL_SIG_POWER_QAM128 << 2;
+ break;
+ default:
+ case QAM_256:
+ qam_sl_sig_power = DRXK_QAM_SL_SIG_POWER_QAM256 << 2;
+ break;
+ }
+
+ if (qam_sl_err_power > 0) {
+ qam_sl_mer = log10times100(qam_sl_sig_power) -
+ log10times100((u32) qam_sl_err_power);
+ }
+ *p_signal_to_noise = qam_sl_mer;
+
+ return status;
+}
+
+static int get_dvbt_signal_to_noise(struct drxk_state *state,
+ s32 *p_signal_to_noise)
+{
+ int status;
+ u16 reg_data = 0;
+ u32 eq_reg_td_sqr_err_i = 0;
+ u32 eq_reg_td_sqr_err_q = 0;
+ u16 eq_reg_td_sqr_err_exp = 0;
+ u16 eq_reg_td_tps_pwr_ofs = 0;
+ u16 eq_reg_td_req_smb_cnt = 0;
+ u32 tps_cnt = 0;
+ u32 sqr_err_iq = 0;
+ u32 a = 0;
+ u32 b = 0;
+ u32 c = 0;
+ u32 i_mer = 0;
+ u16 transmission_params = 0;
+
+ dprintk(1, "\n");
+
+ status = read16(state, OFDM_EQ_TOP_TD_TPS_PWR_OFS__A,
+ &eq_reg_td_tps_pwr_ofs);
+ if (status < 0)
+ goto error;
+ status = read16(state, OFDM_EQ_TOP_TD_REQ_SMB_CNT__A,
+ &eq_reg_td_req_smb_cnt);
+ if (status < 0)
+ goto error;
+ status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_EXP__A,
+ &eq_reg_td_sqr_err_exp);
+ if (status < 0)
+ goto error;
+ status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_I__A,
+ &reg_data);
+ if (status < 0)
+ goto error;
+ /* Extend SQR_ERR_I operational range */
+ eq_reg_td_sqr_err_i = (u32) reg_data;
+ if ((eq_reg_td_sqr_err_exp > 11) &&
+ (eq_reg_td_sqr_err_i < 0x00000FFFUL)) {
+ eq_reg_td_sqr_err_i += 0x00010000UL;
+ }
+ status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_Q__A, &reg_data);
+ if (status < 0)
+ goto error;
+ /* Extend SQR_ERR_Q operational range */
+ eq_reg_td_sqr_err_q = (u32) reg_data;
+ if ((eq_reg_td_sqr_err_exp > 11) &&
+ (eq_reg_td_sqr_err_q < 0x00000FFFUL))
+ eq_reg_td_sqr_err_q += 0x00010000UL;
+
+ status = read16(state, OFDM_SC_RA_RAM_OP_PARAM__A,
+ &transmission_params);
+ if (status < 0)
+ goto error;
+
+ /* Check input data for MER */
+
+ /* MER calculation (in 0.1 dB) without math.h */
+ if ((eq_reg_td_tps_pwr_ofs == 0) || (eq_reg_td_req_smb_cnt == 0))
+ i_mer = 0;
+ else if ((eq_reg_td_sqr_err_i + eq_reg_td_sqr_err_q) == 0) {
+ /* No error at all, this must be the HW reset value
+ * Apparently no first measurement yet
+ * Set MER to 0.0 */
+ i_mer = 0;
+ } else {
+ sqr_err_iq = (eq_reg_td_sqr_err_i + eq_reg_td_sqr_err_q) <<
+ eq_reg_td_sqr_err_exp;
+ if ((transmission_params &
+ OFDM_SC_RA_RAM_OP_PARAM_MODE__M)
+ == OFDM_SC_RA_RAM_OP_PARAM_MODE_2K)
+ tps_cnt = 17;
+ else
+ tps_cnt = 68;
+
+ /* IMER = 100 * log10 (x)
+ where x = (eq_reg_td_tps_pwr_ofs^2 *
+ eq_reg_td_req_smb_cnt * tps_cnt)/sqr_err_iq
+
+ => IMER = a + b -c
+ where a = 100 * log10 (eq_reg_td_tps_pwr_ofs^2)
+ b = 100 * log10 (eq_reg_td_req_smb_cnt * tps_cnt)
+ c = 100 * log10 (sqr_err_iq)
+ */
+
+ /* log(x) x = 9bits * 9bits->18 bits */
+ a = log10times100(eq_reg_td_tps_pwr_ofs *
+ eq_reg_td_tps_pwr_ofs);
+ /* log(x) x = 16bits * 7bits->23 bits */
+ b = log10times100(eq_reg_td_req_smb_cnt * tps_cnt);
+ /* log(x) x = (16bits + 16bits) << 15 ->32 bits */
+ c = log10times100(sqr_err_iq);
+
+ i_mer = a + b - c;
+ }
+ *p_signal_to_noise = i_mer;
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int get_signal_to_noise(struct drxk_state *state, s32 *p_signal_to_noise)
+{
+ dprintk(1, "\n");
+
+ *p_signal_to_noise = 0;
+ switch (state->m_operation_mode) {
+ case OM_DVBT:
+ return get_dvbt_signal_to_noise(state, p_signal_to_noise);
+ case OM_QAM_ITU_A:
+ case OM_QAM_ITU_C:
+ return get_qam_signal_to_noise(state, p_signal_to_noise);
+ default:
+ break;
+ }
+ return 0;
+}
+
+#if 0
+static int get_dvbt_quality(struct drxk_state *state, s32 *p_quality)
+{
+ /* SNR Values for quasi errorfree reception rom Nordig 2.2 */
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ static s32 QE_SN[] = {
+ 51, /* QPSK 1/2 */
+ 69, /* QPSK 2/3 */
+ 79, /* QPSK 3/4 */
+ 89, /* QPSK 5/6 */
+ 97, /* QPSK 7/8 */
+ 108, /* 16-QAM 1/2 */
+ 131, /* 16-QAM 2/3 */
+ 146, /* 16-QAM 3/4 */
+ 156, /* 16-QAM 5/6 */
+ 160, /* 16-QAM 7/8 */
+ 165, /* 64-QAM 1/2 */
+ 187, /* 64-QAM 2/3 */
+ 202, /* 64-QAM 3/4 */
+ 216, /* 64-QAM 5/6 */
+ 225, /* 64-QAM 7/8 */
+ };
+
+ *p_quality = 0;
+
+ do {
+ s32 signal_to_noise = 0;
+ u16 constellation = 0;
+ u16 code_rate = 0;
+ u32 signal_to_noise_rel;
+ u32 ber_quality;
+
+ status = get_dvbt_signal_to_noise(state, &signal_to_noise);
+ if (status < 0)
+ break;
+ status = read16(state, OFDM_EQ_TOP_TD_TPS_CONST__A,
+ &constellation);
+ if (status < 0)
+ break;
+ constellation &= OFDM_EQ_TOP_TD_TPS_CONST__M;
+
+ status = read16(state, OFDM_EQ_TOP_TD_TPS_CODE_HP__A,
+ &code_rate);
+ if (status < 0)
+ break;
+ code_rate &= OFDM_EQ_TOP_TD_TPS_CODE_HP__M;
+
+ if (constellation > OFDM_EQ_TOP_TD_TPS_CONST_64QAM ||
+ code_rate > OFDM_EQ_TOP_TD_TPS_CODE_LP_7_8)
+ break;
+ signal_to_noise_rel = signal_to_noise -
+ QE_SN[constellation * 5 + code_rate];
+ ber_quality = 100;
+
+ if (signal_to_noise_rel < -70)
+ *p_quality = 0;
+ else if (signal_to_noise_rel < 30)
+ *p_quality = ((signal_to_noise_rel + 70) *
+ ber_quality) / 100;
+ else
+ *p_quality = ber_quality;
+ } while (0);
+ return 0;
+};
+
+static int get_dvbc_quality(struct drxk_state *state, s32 *p_quality)
+{
+ int status = 0;
+ *p_quality = 0;
+
+ dprintk(1, "\n");
+
+ do {
+ u32 signal_to_noise = 0;
+ u32 ber_quality = 100;
+ u32 signal_to_noise_rel = 0;
+
+ status = get_qam_signal_to_noise(state, &signal_to_noise);
+ if (status < 0)
+ break;
+
+ switch (state->props.modulation) {
+ case QAM_16:
+ signal_to_noise_rel = signal_to_noise - 200;
+ break;
+ case QAM_32:
+ signal_to_noise_rel = signal_to_noise - 230;
+ break; /* Not in NorDig */
+ case QAM_64:
+ signal_to_noise_rel = signal_to_noise - 260;
+ break;
+ case QAM_128:
+ signal_to_noise_rel = signal_to_noise - 290;
+ break;
+ default:
+ case QAM_256:
+ signal_to_noise_rel = signal_to_noise - 320;
+ break;
+ }
+
+ if (signal_to_noise_rel < -70)
+ *p_quality = 0;
+ else if (signal_to_noise_rel < 30)
+ *p_quality = ((signal_to_noise_rel + 70) *
+ ber_quality) / 100;
+ else
+ *p_quality = ber_quality;
+ } while (0);
+
+ return status;
+}
+
+static int get_quality(struct drxk_state *state, s32 *p_quality)
+{
+ dprintk(1, "\n");
+
+ switch (state->m_operation_mode) {
+ case OM_DVBT:
+ return get_dvbt_quality(state, p_quality);
+ case OM_QAM_ITU_A:
+ return get_dvbc_quality(state, p_quality);
+ default:
+ break;
+ }
+
+ return 0;
+}
+#endif
+
+/* Free data ram in SIO HI */
+#define SIO_HI_RA_RAM_USR_BEGIN__A 0x420040
+#define SIO_HI_RA_RAM_USR_END__A 0x420060
+
+#define DRXK_HI_ATOMIC_BUF_START (SIO_HI_RA_RAM_USR_BEGIN__A)
+#define DRXK_HI_ATOMIC_BUF_END (SIO_HI_RA_RAM_USR_BEGIN__A + 7)
+#define DRXK_HI_ATOMIC_READ SIO_HI_RA_RAM_PAR_3_ACP_RW_READ
+#define DRXK_HI_ATOMIC_WRITE SIO_HI_RA_RAM_PAR_3_ACP_RW_WRITE
+
+#define DRXDAP_FASI_ADDR2BLOCK(addr) (((addr) >> 22) & 0x3F)
+#define DRXDAP_FASI_ADDR2BANK(addr) (((addr) >> 16) & 0x3F)
+#define DRXDAP_FASI_ADDR2OFFSET(addr) ((addr) & 0x7FFF)
+
+static int ConfigureI2CBridge(struct drxk_state *state, bool b_enable_bridge)
+{
+ int status = -EINVAL;
+
+ dprintk(1, "\n");
+
+ if (state->m_drxk_state == DRXK_UNINITIALIZED)
+ return 0;
+ if (state->m_drxk_state == DRXK_POWERED_DOWN)
+ goto error;
+
+ if (state->no_i2c_bridge)
+ return 0;
+
+ status = write16(state, SIO_HI_RA_RAM_PAR_1__A,
+ SIO_HI_RA_RAM_PAR_1_PAR1_SEC_KEY);
+ if (status < 0)
+ goto error;
+ if (b_enable_bridge) {
+ status = write16(state, SIO_HI_RA_RAM_PAR_2__A,
+ SIO_HI_RA_RAM_PAR_2_BRD_CFG_CLOSED);
+ if (status < 0)
+ goto error;
+ } else {
+ status = write16(state, SIO_HI_RA_RAM_PAR_2__A,
+ SIO_HI_RA_RAM_PAR_2_BRD_CFG_OPEN);
+ if (status < 0)
+ goto error;
+ }
+
+ status = hi_command(state, SIO_HI_RA_RAM_CMD_BRDCTRL, NULL);
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int set_pre_saw(struct drxk_state *state,
+ struct s_cfg_pre_saw *p_pre_saw_cfg)
+{
+ int status = -EINVAL;
+
+ dprintk(1, "\n");
+
+ if ((p_pre_saw_cfg == NULL)
+ || (p_pre_saw_cfg->reference > IQM_AF_PDREF__M))
+ goto error;
+
+ status = write16(state, IQM_AF_PDREF__A, p_pre_saw_cfg->reference);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int bl_direct_cmd(struct drxk_state *state, u32 target_addr,
+ u16 rom_offset, u16 nr_of_elements, u32 time_out)
+{
+ u16 bl_status = 0;
+ u16 offset = (u16) ((target_addr >> 0) & 0x00FFFF);
+ u16 blockbank = (u16) ((target_addr >> 16) & 0x000FFF);
+ int status;
+ unsigned long end;
+
+ dprintk(1, "\n");
+
+ mutex_lock(&state->mutex);
+ status = write16(state, SIO_BL_MODE__A, SIO_BL_MODE_DIRECT);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_TGT_HDR__A, blockbank);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_TGT_ADDR__A, offset);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_SRC_ADDR__A, rom_offset);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_SRC_LEN__A, nr_of_elements);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_ENABLE__A, SIO_BL_ENABLE_ON);
+ if (status < 0)
+ goto error;
+
+ end = jiffies + msecs_to_jiffies(time_out);
+ do {
+ status = read16(state, SIO_BL_STATUS__A, &bl_status);
+ if (status < 0)
+ goto error;
+ } while ((bl_status == 0x1) && time_is_after_jiffies(end));
+ if (bl_status == 0x1) {
+ pr_err("SIO not ready\n");
+ status = -EINVAL;
+ goto error2;
+ }
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+error2:
+ mutex_unlock(&state->mutex);
+ return status;
+
+}
+
+static int adc_sync_measurement(struct drxk_state *state, u16 *count)
+{
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ /* start measurement */
+ status = write16(state, IQM_AF_COMM_EXEC__A, IQM_AF_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_START_LOCK__A, 1);
+ if (status < 0)
+ goto error;
+
+ *count = 0;
+ status = read16(state, IQM_AF_PHASE0__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == 127)
+ *count = *count + 1;
+ status = read16(state, IQM_AF_PHASE1__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == 127)
+ *count = *count + 1;
+ status = read16(state, IQM_AF_PHASE2__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == 127)
+ *count = *count + 1;
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int adc_synchronization(struct drxk_state *state)
+{
+ u16 count = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ status = adc_sync_measurement(state, &count);
+ if (status < 0)
+ goto error;
+
+ if (count == 1) {
+ /* Try sampling on a different edge */
+ u16 clk_neg = 0;
+
+ status = read16(state, IQM_AF_CLKNEG__A, &clk_neg);
+ if (status < 0)
+ goto error;
+ if ((clk_neg & IQM_AF_CLKNEG_CLKNEGDATA__M) ==
+ IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_POS) {
+ clk_neg &= (~(IQM_AF_CLKNEG_CLKNEGDATA__M));
+ clk_neg |=
+ IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_NEG;
+ } else {
+ clk_neg &= (~(IQM_AF_CLKNEG_CLKNEGDATA__M));
+ clk_neg |=
+ IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_POS;
+ }
+ status = write16(state, IQM_AF_CLKNEG__A, clk_neg);
+ if (status < 0)
+ goto error;
+ status = adc_sync_measurement(state, &count);
+ if (status < 0)
+ goto error;
+ }
+
+ if (count < 2)
+ status = -EINVAL;
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int set_frequency_shifter(struct drxk_state *state,
+ u16 intermediate_freqk_hz,
+ s32 tuner_freq_offset, bool is_dtv)
+{
+ bool select_pos_image = false;
+ u32 rf_freq_residual = tuner_freq_offset;
+ u32 fm_frequency_shift = 0;
+ bool tuner_mirror = !state->m_b_mirror_freq_spect;
+ u32 adc_freq;
+ bool adc_flip;
+ int status;
+ u32 if_freq_actual;
+ u32 sampling_frequency = (u32) (state->m_sys_clock_freq / 3);
+ u32 frequency_shift;
+ bool image_to_select;
+
+ dprintk(1, "\n");
+
+ /*
+ Program frequency shifter
+ No need to account for mirroring on RF
+ */
+ if (is_dtv) {
+ if ((state->m_operation_mode == OM_QAM_ITU_A) ||
+ (state->m_operation_mode == OM_QAM_ITU_C) ||
+ (state->m_operation_mode == OM_DVBT))
+ select_pos_image = true;
+ else
+ select_pos_image = false;
+ }
+ if (tuner_mirror)
+ /* tuner doesn't mirror */
+ if_freq_actual = intermediate_freqk_hz +
+ rf_freq_residual + fm_frequency_shift;
+ else
+ /* tuner mirrors */
+ if_freq_actual = intermediate_freqk_hz -
+ rf_freq_residual - fm_frequency_shift;
+ if (if_freq_actual > sampling_frequency / 2) {
+ /* adc mirrors */
+ adc_freq = sampling_frequency - if_freq_actual;
+ adc_flip = true;
+ } else {
+ /* adc doesn't mirror */
+ adc_freq = if_freq_actual;
+ adc_flip = false;
+ }
+
+ frequency_shift = adc_freq;
+ image_to_select = state->m_rfmirror ^ tuner_mirror ^
+ adc_flip ^ select_pos_image;
+ state->m_iqm_fs_rate_ofs =
+ Frac28a((frequency_shift), sampling_frequency);
+
+ if (image_to_select)
+ state->m_iqm_fs_rate_ofs = ~state->m_iqm_fs_rate_ofs + 1;
+
+ /* Program frequency shifter with tuner offset compensation */
+ /* frequency_shift += tuner_freq_offset; TODO */
+ status = write32(state, IQM_FS_RATE_OFS_LO__A,
+ state->m_iqm_fs_rate_ofs);
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int init_agc(struct drxk_state *state, bool is_dtv)
+{
+ u16 ingain_tgt = 0;
+ u16 ingain_tgt_min = 0;
+ u16 ingain_tgt_max = 0;
+ u16 clp_cyclen = 0;
+ u16 clp_sum_min = 0;
+ u16 clp_dir_to = 0;
+ u16 sns_sum_min = 0;
+ u16 sns_sum_max = 0;
+ u16 clp_sum_max = 0;
+ u16 sns_dir_to = 0;
+ u16 ki_innergain_min = 0;
+ u16 if_iaccu_hi_tgt = 0;
+ u16 if_iaccu_hi_tgt_min = 0;
+ u16 if_iaccu_hi_tgt_max = 0;
+ u16 data = 0;
+ u16 fast_clp_ctrl_delay = 0;
+ u16 clp_ctrl_mode = 0;
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ /* Common settings */
+ sns_sum_max = 1023;
+ if_iaccu_hi_tgt_min = 2047;
+ clp_cyclen = 500;
+ clp_sum_max = 1023;
+
+ /* AGCInit() not available for DVBT; init done in microcode */
+ if (!is_qam(state)) {
+ pr_err("%s: mode %d is not DVB-C\n",
+ __func__, state->m_operation_mode);
+ return -EINVAL;
+ }
+
+ /* FIXME: Analog TV AGC require different settings */
+
+ /* Standard specific settings */
+ clp_sum_min = 8;
+ clp_dir_to = (u16) -9;
+ clp_ctrl_mode = 0;
+ sns_sum_min = 8;
+ sns_dir_to = (u16) -9;
+ ki_innergain_min = (u16) -1030;
+ if_iaccu_hi_tgt_max = 0x2380;
+ if_iaccu_hi_tgt = 0x2380;
+ ingain_tgt_min = 0x0511;
+ ingain_tgt = 0x0511;
+ ingain_tgt_max = 5119;
+ fast_clp_ctrl_delay = state->m_qam_if_agc_cfg.fast_clip_ctrl_delay;
+
+ status = write16(state, SCU_RAM_AGC_FAST_CLP_CTRL_DELAY__A,
+ fast_clp_ctrl_delay);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_AGC_CLP_CTRL_MODE__A, clp_ctrl_mode);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT__A, ingain_tgt);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MIN__A, ingain_tgt_min);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MAX__A, ingain_tgt_max);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MIN__A,
+ if_iaccu_hi_tgt_min);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A,
+ if_iaccu_hi_tgt_max);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_LO__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_HI__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_LO__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_SUM_MAX__A, clp_sum_max);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_SUM_MAX__A, sns_sum_max);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_AGC_KI_INNERGAIN_MIN__A,
+ ki_innergain_min);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT__A,
+ if_iaccu_hi_tgt);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_CYCLEN__A, clp_cyclen);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_AGC_RF_SNS_DEV_MAX__A, 1023);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_RF_SNS_DEV_MIN__A, (u16) -1023);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_FAST_SNS_CTRL_DELAY__A, 50);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_AGC_KI_MAXMINGAIN_TH__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_SUM_MIN__A, clp_sum_min);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_SUM_MIN__A, sns_sum_min);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_DIR_TO__A, clp_dir_to);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_DIR_TO__A, sns_dir_to);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_MINGAIN__A, 0x7fff);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_MAXGAIN__A, 0x0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_MIN__A, 0x0117);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_MAX__A, 0x0657);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_SUM__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_CYCCNT__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_DIR_WD__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_DIR_STP__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_SUM__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_CYCCNT__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_DIR_WD__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_DIR_STP__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_CYCLEN__A, 500);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_CYCLEN__A, 500);
+ if (status < 0)
+ goto error;
+
+ /* Initialize inner-loop KI gain factors */
+ status = read16(state, SCU_RAM_AGC_KI__A, &data);
+ if (status < 0)
+ goto error;
+
+ data = 0x0657;
+ data &= ~SCU_RAM_AGC_KI_RF__M;
+ data |= (DRXK_KI_RAGC_QAM << SCU_RAM_AGC_KI_RF__B);
+ data &= ~SCU_RAM_AGC_KI_IF__M;
+ data |= (DRXK_KI_IAGC_QAM << SCU_RAM_AGC_KI_IF__B);
+
+ status = write16(state, SCU_RAM_AGC_KI__A, data);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int dvbtqam_get_acc_pkt_err(struct drxk_state *state, u16 *packet_err)
+{
+ int status;
+
+ dprintk(1, "\n");
+ if (packet_err == NULL)
+ status = write16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, 0);
+ else
+ status = read16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A,
+ packet_err);
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int dvbt_sc_command(struct drxk_state *state,
+ u16 cmd, u16 subcmd,
+ u16 param0, u16 param1, u16 param2,
+ u16 param3, u16 param4)
+{
+ u16 cur_cmd = 0;
+ u16 err_code = 0;
+ u16 retry_cnt = 0;
+ u16 sc_exec = 0;
+ int status;
+
+ dprintk(1, "\n");
+ status = read16(state, OFDM_SC_COMM_EXEC__A, &sc_exec);
+ if (sc_exec != 1) {
+ /* SC is not running */
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Wait until sc is ready to receive command */
+ retry_cnt = 0;
+ do {
+ usleep_range(1000, 2000);
+ status = read16(state, OFDM_SC_RA_RAM_CMD__A, &cur_cmd);
+ retry_cnt++;
+ } while ((cur_cmd != 0) && (retry_cnt < DRXK_MAX_RETRIES));
+ if (retry_cnt >= DRXK_MAX_RETRIES && (status < 0))
+ goto error;
+
+ /* Write sub-command */
+ switch (cmd) {
+ /* All commands using sub-cmd */
+ case OFDM_SC_RA_RAM_CMD_PROC_START:
+ case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
+ case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
+ status = write16(state, OFDM_SC_RA_RAM_CMD_ADDR__A, subcmd);
+ if (status < 0)
+ goto error;
+ break;
+ default:
+ /* Do nothing */
+ break;
+ }
+
+ /* Write needed parameters and the command */
+ switch (cmd) {
+ /* All commands using 5 parameters */
+ /* All commands using 4 parameters */
+ /* All commands using 3 parameters */
+ /* All commands using 2 parameters */
+ case OFDM_SC_RA_RAM_CMD_PROC_START:
+ case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
+ case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
+ status = write16(state, OFDM_SC_RA_RAM_PARAM1__A, param1);
+ /* All commands using 1 parameters */
+ case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING:
+ case OFDM_SC_RA_RAM_CMD_USER_IO:
+ status = write16(state, OFDM_SC_RA_RAM_PARAM0__A, param0);
+ /* All commands using 0 parameters */
+ case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM:
+ case OFDM_SC_RA_RAM_CMD_NULL:
+ /* Write command */
+ status = write16(state, OFDM_SC_RA_RAM_CMD__A, cmd);
+ break;
+ default:
+ /* Unknown command */
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Wait until sc is ready processing command */
+ retry_cnt = 0;
+ do {
+ usleep_range(1000, 2000);
+ status = read16(state, OFDM_SC_RA_RAM_CMD__A, &cur_cmd);
+ retry_cnt++;
+ } while ((cur_cmd != 0) && (retry_cnt < DRXK_MAX_RETRIES));
+ if (retry_cnt >= DRXK_MAX_RETRIES && (status < 0))
+ goto error;
+
+ /* Check for illegal cmd */
+ status = read16(state, OFDM_SC_RA_RAM_CMD_ADDR__A, &err_code);
+ if (err_code == 0xFFFF) {
+ /* illegal command */
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Retrieve results parameters from SC */
+ switch (cmd) {
+ /* All commands yielding 5 results */
+ /* All commands yielding 4 results */
+ /* All commands yielding 3 results */
+ /* All commands yielding 2 results */
+ /* All commands yielding 1 result */
+ case OFDM_SC_RA_RAM_CMD_USER_IO:
+ case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM:
+ status = read16(state, OFDM_SC_RA_RAM_PARAM0__A, &(param0));
+ /* All commands yielding 0 results */
+ case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING:
+ case OFDM_SC_RA_RAM_CMD_SET_TIMER:
+ case OFDM_SC_RA_RAM_CMD_PROC_START:
+ case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
+ case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
+ case OFDM_SC_RA_RAM_CMD_NULL:
+ break;
+ default:
+ /* Unknown command */
+ status = -EINVAL;
+ break;
+ } /* switch (cmd->cmd) */
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int power_up_dvbt(struct drxk_state *state)
+{
+ enum drx_power_mode power_mode = DRX_POWER_UP;
+ int status;
+
+ dprintk(1, "\n");
+ status = ctrl_power_mode(state, &power_mode);
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int dvbt_ctrl_set_inc_enable(struct drxk_state *state, bool *enabled)
+{
+ int status;
+
+ dprintk(1, "\n");
+ if (*enabled)
+ status = write16(state, IQM_CF_BYPASSDET__A, 0);
+ else
+ status = write16(state, IQM_CF_BYPASSDET__A, 1);
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+#define DEFAULT_FR_THRES_8K 4000
+static int dvbt_ctrl_set_fr_enable(struct drxk_state *state, bool *enabled)
+{
+
+ int status;
+
+ dprintk(1, "\n");
+ if (*enabled) {
+ /* write mask to 1 */
+ status = write16(state, OFDM_SC_RA_RAM_FR_THRES_8K__A,
+ DEFAULT_FR_THRES_8K);
+ } else {
+ /* write mask to 0 */
+ status = write16(state, OFDM_SC_RA_RAM_FR_THRES_8K__A, 0);
+ }
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int dvbt_ctrl_set_echo_threshold(struct drxk_state *state,
+ struct drxk_cfg_dvbt_echo_thres_t *echo_thres)
+{
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+ status = read16(state, OFDM_SC_RA_RAM_ECHO_THRES__A, &data);
+ if (status < 0)
+ goto error;
+
+ switch (echo_thres->fft_mode) {
+ case DRX_FFTMODE_2K:
+ data &= ~OFDM_SC_RA_RAM_ECHO_THRES_2K__M;
+ data |= ((echo_thres->threshold <<
+ OFDM_SC_RA_RAM_ECHO_THRES_2K__B)
+ & (OFDM_SC_RA_RAM_ECHO_THRES_2K__M));
+ break;
+ case DRX_FFTMODE_8K:
+ data &= ~OFDM_SC_RA_RAM_ECHO_THRES_8K__M;
+ data |= ((echo_thres->threshold <<
+ OFDM_SC_RA_RAM_ECHO_THRES_8K__B)
+ & (OFDM_SC_RA_RAM_ECHO_THRES_8K__M));
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ status = write16(state, OFDM_SC_RA_RAM_ECHO_THRES__A, data);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int dvbt_ctrl_set_sqi_speed(struct drxk_state *state,
+ enum drxk_cfg_dvbt_sqi_speed *speed)
+{
+ int status = -EINVAL;
+
+ dprintk(1, "\n");
+
+ switch (*speed) {
+ case DRXK_DVBT_SQI_SPEED_FAST:
+ case DRXK_DVBT_SQI_SPEED_MEDIUM:
+ case DRXK_DVBT_SQI_SPEED_SLOW:
+ break;
+ default:
+ goto error;
+ }
+ status = write16(state, SCU_RAM_FEC_PRE_RS_BER_FILTER_SH__A,
+ (u16) *speed);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Activate DVBT specific presets
+* \param demod instance of demodulator.
+* \return DRXStatus_t.
+*
+* Called in DVBTSetStandard
+*
+*/
+static int dvbt_activate_presets(struct drxk_state *state)
+{
+ int status;
+ bool setincenable = false;
+ bool setfrenable = true;
+
+ struct drxk_cfg_dvbt_echo_thres_t echo_thres2k = { 0, DRX_FFTMODE_2K };
+ struct drxk_cfg_dvbt_echo_thres_t echo_thres8k = { 0, DRX_FFTMODE_8K };
+
+ dprintk(1, "\n");
+ status = dvbt_ctrl_set_inc_enable(state, &setincenable);
+ if (status < 0)
+ goto error;
+ status = dvbt_ctrl_set_fr_enable(state, &setfrenable);
+ if (status < 0)
+ goto error;
+ status = dvbt_ctrl_set_echo_threshold(state, &echo_thres2k);
+ if (status < 0)
+ goto error;
+ status = dvbt_ctrl_set_echo_threshold(state, &echo_thres8k);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MAX__A,
+ state->m_dvbt_if_agc_cfg.ingain_tgt_max);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Initialize channelswitch-independent settings for DVBT.
+* \param demod instance of demodulator.
+* \return DRXStatus_t.
+*
+* For ROM code channel filter taps are loaded from the bootloader. For microcode
+* the DVB-T taps from the drxk_filters.h are used.
+*/
+static int set_dvbt_standard(struct drxk_state *state,
+ enum operation_mode o_mode)
+{
+ u16 cmd_result = 0;
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ power_up_dvbt(state);
+ /* added antenna switch */
+ switch_antenna_to_dvbt(state);
+ /* send OFDM reset command */
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_OFDM
+ | SCU_RAM_COMMAND_CMD_DEMOD_RESET,
+ 0, NULL, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+
+ /* send OFDM setenv command */
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM
+ | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV,
+ 0, NULL, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+
+ /* reset datapath for OFDM, processors first */
+ status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
+ if (status < 0)
+ goto error;
+
+ /* IQM setup */
+ /* synchronize on ofdstate->m_festart */
+ status = write16(state, IQM_AF_UPD_SEL__A, 1);
+ if (status < 0)
+ goto error;
+ /* window size for clipping ADC detection */
+ status = write16(state, IQM_AF_CLP_LEN__A, 0);
+ if (status < 0)
+ goto error;
+ /* window size for for sense pre-SAW detection */
+ status = write16(state, IQM_AF_SNS_LEN__A, 0);
+ if (status < 0)
+ goto error;
+ /* sense threshold for sense pre-SAW detection */
+ status = write16(state, IQM_AF_AMUX__A, IQM_AF_AMUX_SIGNAL2ADC);
+ if (status < 0)
+ goto error;
+ status = set_iqm_af(state, true);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_AF_AGC_RF__A, 0);
+ if (status < 0)
+ goto error;
+
+ /* Impulse noise cruncher setup */
+ status = write16(state, IQM_AF_INC_LCT__A, 0); /* crunch in IQM_CF */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DET_LCT__A, 0); /* detect in IQM_CF */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_WND_LEN__A, 3); /* peak detector window length */
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_RC_STRETCH__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_OUT_ENA__A, 0x4); /* enable output 2 */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DS_ENA__A, 0x4); /* decimate output 2 */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_SCALE__A, 1600);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_SCALE_SH__A, 0);
+ if (status < 0)
+ goto error;
+
+ /* virtual clipping threshold for clipping ADC detection */
+ status = write16(state, IQM_AF_CLP_TH__A, 448);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DATATH__A, 495); /* crunching threshold */
+ if (status < 0)
+ goto error;
+
+ status = bl_chain_cmd(state, DRXK_BL_ROM_OFFSET_TAPS_DVBT,
+ DRXK_BLCC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_CF_PKDTH__A, 2); /* peak detector threshold */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_POW_MEAS_LEN__A, 2);
+ if (status < 0)
+ goto error;
+ /* enable power measurement interrupt */
+ status = write16(state, IQM_CF_COMM_INT_MSK__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ /* IQM will not be reset from here, sync ADC and update/init AGC */
+ status = adc_synchronization(state);
+ if (status < 0)
+ goto error;
+ status = set_pre_saw(state, &state->m_dvbt_pre_saw_cfg);
+ if (status < 0)
+ goto error;
+
+ /* Halt SCU to enable safe non-atomic accesses */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
+ if (status < 0)
+ goto error;
+
+ status = set_agc_rf(state, &state->m_dvbt_rf_agc_cfg, true);
+ if (status < 0)
+ goto error;
+ status = set_agc_if(state, &state->m_dvbt_if_agc_cfg, true);
+ if (status < 0)
+ goto error;
+
+ /* Set Noise Estimation notch width and enable DC fix */
+ status = read16(state, OFDM_SC_RA_RAM_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+ data |= OFDM_SC_RA_RAM_CONFIG_NE_FIX_ENABLE__M;
+ status = write16(state, OFDM_SC_RA_RAM_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Activate SCU to enable SCU commands */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ if (!state->m_drxk_a3_rom_code) {
+ /* AGCInit() is not done for DVBT, so set agcfast_clip_ctrl_delay */
+ status = write16(state, SCU_RAM_AGC_FAST_CLP_CTRL_DELAY__A,
+ state->m_dvbt_if_agc_cfg.fast_clip_ctrl_delay);
+ if (status < 0)
+ goto error;
+ }
+
+ /* OFDM_SC setup */
+#ifdef COMPILE_FOR_NONRT
+ status = write16(state, OFDM_SC_RA_RAM_BE_OPT_DELAY__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_BE_OPT_INIT_DELAY__A, 2);
+ if (status < 0)
+ goto error;
+#endif
+
+ /* FEC setup */
+ status = write16(state, FEC_DI_INPUT_CTL__A, 1); /* OFDM input */
+ if (status < 0)
+ goto error;
+
+
+#ifdef COMPILE_FOR_NONRT
+ status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, 0x400);
+ if (status < 0)
+ goto error;
+#else
+ status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, 0x1000);
+ if (status < 0)
+ goto error;
+#endif
+ status = write16(state, FEC_RS_MEASUREMENT_PRESCALE__A, 0x0001);
+ if (status < 0)
+ goto error;
+
+ /* Setup MPEG bus */
+ status = mpegts_dto_setup(state, OM_DVBT);
+ if (status < 0)
+ goto error;
+ /* Set DVBT Presets */
+ status = dvbt_activate_presets(state);
+ if (status < 0)
+ goto error;
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+/**
+* \brief start dvbt demodulating for channel.
+* \param demod instance of demodulator.
+* \return DRXStatus_t.
+*/
+static int dvbt_start(struct drxk_state *state)
+{
+ u16 param1;
+ int status;
+ /* drxk_ofdm_sc_cmd_t scCmd; */
+
+ dprintk(1, "\n");
+ /* start correct processes to get in lock */
+ /* DRXK: OFDM_SC_RA_RAM_PROC_LOCKTRACK is no longer in mapfile! */
+ param1 = OFDM_SC_RA_RAM_LOCKTRACK_MIN;
+ status = dvbt_sc_command(state, OFDM_SC_RA_RAM_CMD_PROC_START, 0,
+ OFDM_SC_RA_RAM_SW_EVENT_RUN_NMASK__M, param1,
+ 0, 0, 0);
+ if (status < 0)
+ goto error;
+ /* start FEC OC */
+ status = mpegts_start(state);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+
+/*============================================================================*/
+
+/**
+* \brief Set up dvbt demodulator for channel.
+* \param demod instance of demodulator.
+* \return DRXStatus_t.
+* // original DVBTSetChannel()
+*/
+static int set_dvbt(struct drxk_state *state, u16 intermediate_freqk_hz,
+ s32 tuner_freq_offset)
+{
+ u16 cmd_result = 0;
+ u16 transmission_params = 0;
+ u16 operation_mode = 0;
+ u32 iqm_rc_rate_ofs = 0;
+ u32 bandwidth = 0;
+ u16 param1;
+ int status;
+
+ dprintk(1, "IF =%d, TFO = %d\n",
+ intermediate_freqk_hz, tuner_freq_offset);
+
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM
+ | SCU_RAM_COMMAND_CMD_DEMOD_STOP,
+ 0, NULL, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+
+ /* Halt SCU to enable safe non-atomic accesses */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
+ if (status < 0)
+ goto error;
+
+ /* Stop processors */
+ status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+
+ /* Mandatory fix, always stop CP, required to set spl offset back to
+ hardware default (is set to 0 by ucode during pilot detection */
+ status = write16(state, OFDM_CP_COMM_EXEC__A, OFDM_CP_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+
+ /*== Write channel settings to device ================================*/
+
+ /* mode */
+ switch (state->props.transmission_mode) {
+ case TRANSMISSION_MODE_AUTO:
+ default:
+ operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_MODE__M;
+ /* fall through , try first guess DRX_FFTMODE_8K */
+ case TRANSMISSION_MODE_8K:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_MODE_8K;
+ break;
+ case TRANSMISSION_MODE_2K:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_MODE_2K;
+ break;
+ }
+
+ /* guard */
+ switch (state->props.guard_interval) {
+ default:
+ case GUARD_INTERVAL_AUTO:
+ operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_GUARD__M;
+ /* fall through , try first guess DRX_GUARD_1DIV4 */
+ case GUARD_INTERVAL_1_4:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_4;
+ break;
+ case GUARD_INTERVAL_1_32:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_32;
+ break;
+ case GUARD_INTERVAL_1_16:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_16;
+ break;
+ case GUARD_INTERVAL_1_8:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_8;
+ break;
+ }
+
+ /* hierarchy */
+ switch (state->props.hierarchy) {
+ case HIERARCHY_AUTO:
+ case HIERARCHY_NONE:
+ default:
+ operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_HIER__M;
+ /* fall through , try first guess SC_RA_RAM_OP_PARAM_HIER_NO */
+ /* transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_HIER_NO; */
+ /* break; */
+ case HIERARCHY_1:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A1;
+ break;
+ case HIERARCHY_2:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A2;
+ break;
+ case HIERARCHY_4:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A4;
+ break;
+ }
+
+
+ /* modulation */
+ switch (state->props.modulation) {
+ case QAM_AUTO:
+ default:
+ operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_CONST__M;
+ /* fall through , try first guess DRX_CONSTELLATION_QAM64 */
+ case QAM_64:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QAM64;
+ break;
+ case QPSK:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QPSK;
+ break;
+ case QAM_16:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QAM16;
+ break;
+ }
+#if 0
+ /* No hierarchical channels support in BDA */
+ /* Priority (only for hierarchical channels) */
+ switch (channel->priority) {
+ case DRX_PRIORITY_LOW:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_LO;
+ WR16(dev_addr, OFDM_EC_SB_PRIOR__A,
+ OFDM_EC_SB_PRIOR_LO);
+ break;
+ case DRX_PRIORITY_HIGH:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_HI;
+ WR16(dev_addr, OFDM_EC_SB_PRIOR__A,
+ OFDM_EC_SB_PRIOR_HI));
+ break;
+ case DRX_PRIORITY_UNKNOWN: /* fall through */
+ default:
+ status = -EINVAL;
+ goto error;
+ }
+#else
+ /* Set Priorty high */
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_HI;
+ status = write16(state, OFDM_EC_SB_PRIOR__A, OFDM_EC_SB_PRIOR_HI);
+ if (status < 0)
+ goto error;
+#endif
+
+ /* coderate */
+ switch (state->props.code_rate_HP) {
+ case FEC_AUTO:
+ default:
+ operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_RATE__M;
+ /* fall through , try first guess DRX_CODERATE_2DIV3 */
+ case FEC_2_3:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_RATE_2_3;
+ break;
+ case FEC_1_2:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_RATE_1_2;
+ break;
+ case FEC_3_4:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_RATE_3_4;
+ break;
+ case FEC_5_6:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_RATE_5_6;
+ break;
+ case FEC_7_8:
+ transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_RATE_7_8;
+ break;
+ }
+
+ /*
+ * SAW filter selection: normaly not necesarry, but if wanted
+ * the application can select a SAW filter via the driver by
+ * using UIOs
+ */
+
+ /* First determine real bandwidth (Hz) */
+ /* Also set delay for impulse noise cruncher */
+ /*
+ * Also set parameters for EC_OC fix, note EC_OC_REG_TMD_HIL_MAR is
+ * changed by SC for fix for some 8K,1/8 guard but is restored by
+ * InitEC and ResetEC functions
+ */
+ switch (state->props.bandwidth_hz) {
+ case 0:
+ state->props.bandwidth_hz = 8000000;
+ /* fall though */
+ case 8000000:
+ bandwidth = DRXK_BANDWIDTH_8MHZ_IN_HZ;
+ status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A,
+ 3052);
+ if (status < 0)
+ goto error;
+ /* cochannel protection for PAL 8 MHz */
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A,
+ 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A,
+ 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A,
+ 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A,
+ 1);
+ if (status < 0)
+ goto error;
+ break;
+ case 7000000:
+ bandwidth = DRXK_BANDWIDTH_7MHZ_IN_HZ;
+ status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A,
+ 3491);
+ if (status < 0)
+ goto error;
+ /* cochannel protection for PAL 7 MHz */
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A,
+ 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A,
+ 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A,
+ 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A,
+ 1);
+ if (status < 0)
+ goto error;
+ break;
+ case 6000000:
+ bandwidth = DRXK_BANDWIDTH_6MHZ_IN_HZ;
+ status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A,
+ 4073);
+ if (status < 0)
+ goto error;
+ /* cochannel protection for NTSC 6 MHz */
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A,
+ 19);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A,
+ 19);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A,
+ 14);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A,
+ 1);
+ if (status < 0)
+ goto error;
+ break;
+ default:
+ status = -EINVAL;
+ goto error;
+ }
+
+ if (iqm_rc_rate_ofs == 0) {
+ /* Now compute IQM_RC_RATE_OFS
+ (((SysFreq/BandWidth)/2)/2) -1) * 2^23)
+ =>
+ ((SysFreq / BandWidth) * (2^21)) - (2^23)
+ */
+ /* (SysFreq / BandWidth) * (2^28) */
+ /*
+ * assert (MAX(sysClk)/MIN(bandwidth) < 16)
+ * => assert(MAX(sysClk) < 16*MIN(bandwidth))
+ * => assert(109714272 > 48000000) = true
+ * so Frac 28 can be used
+ */
+ iqm_rc_rate_ofs = Frac28a((u32)
+ ((state->m_sys_clock_freq *
+ 1000) / 3), bandwidth);
+ /* (SysFreq / BandWidth) * (2^21), rounding before truncating */
+ if ((iqm_rc_rate_ofs & 0x7fL) >= 0x40)
+ iqm_rc_rate_ofs += 0x80L;
+ iqm_rc_rate_ofs = iqm_rc_rate_ofs >> 7;
+ /* ((SysFreq / BandWidth) * (2^21)) - (2^23) */
+ iqm_rc_rate_ofs = iqm_rc_rate_ofs - (1 << 23);
+ }
+
+ iqm_rc_rate_ofs &=
+ ((((u32) IQM_RC_RATE_OFS_HI__M) <<
+ IQM_RC_RATE_OFS_LO__W) | IQM_RC_RATE_OFS_LO__M);
+ status = write32(state, IQM_RC_RATE_OFS_LO__A, iqm_rc_rate_ofs);
+ if (status < 0)
+ goto error;
+
+ /* Bandwidth setting done */
+
+#if 0
+ status = dvbt_set_frequency_shift(demod, channel, tuner_offset);
+ if (status < 0)
+ goto error;
+#endif
+ status = set_frequency_shifter(state, intermediate_freqk_hz,
+ tuner_freq_offset, true);
+ if (status < 0)
+ goto error;
+
+ /*== start SC, write channel settings to SC ==========================*/
+
+ /* Activate SCU to enable SCU commands */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ /* Enable SC after setting all other parameters */
+ status = write16(state, OFDM_SC_COMM_STATE__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_COMM_EXEC__A, 1);
+ if (status < 0)
+ goto error;
+
+
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM
+ | SCU_RAM_COMMAND_CMD_DEMOD_START,
+ 0, NULL, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+
+ /* Write SC parameter registers, set all AUTO flags in operation mode */
+ param1 = (OFDM_SC_RA_RAM_OP_AUTO_MODE__M |
+ OFDM_SC_RA_RAM_OP_AUTO_GUARD__M |
+ OFDM_SC_RA_RAM_OP_AUTO_CONST__M |
+ OFDM_SC_RA_RAM_OP_AUTO_HIER__M |
+ OFDM_SC_RA_RAM_OP_AUTO_RATE__M);
+ status = dvbt_sc_command(state, OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM,
+ 0, transmission_params, param1, 0, 0, 0);
+ if (status < 0)
+ goto error;
+
+ if (!state->m_drxk_a3_rom_code)
+ status = dvbt_ctrl_set_sqi_speed(state, &state->m_sqi_speed);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+
+/*============================================================================*/
+
+/**
+* \brief Retrieve lock status .
+* \param demod Pointer to demodulator instance.
+* \param lockStat Pointer to lock status structure.
+* \return DRXStatus_t.
+*
+*/
+static int get_dvbt_lock_status(struct drxk_state *state, u32 *p_lock_status)
+{
+ int status;
+ const u16 mpeg_lock_mask = (OFDM_SC_RA_RAM_LOCK_MPEG__M |
+ OFDM_SC_RA_RAM_LOCK_FEC__M);
+ const u16 fec_lock_mask = (OFDM_SC_RA_RAM_LOCK_FEC__M);
+ const u16 demod_lock_mask = OFDM_SC_RA_RAM_LOCK_DEMOD__M;
+
+ u16 sc_ra_ram_lock = 0;
+ u16 sc_comm_exec = 0;
+
+ dprintk(1, "\n");
+
+ *p_lock_status = NOT_LOCKED;
+ /* driver 0.9.0 */
+ /* Check if SC is running */
+ status = read16(state, OFDM_SC_COMM_EXEC__A, &sc_comm_exec);
+ if (status < 0)
+ goto end;
+ if (sc_comm_exec == OFDM_SC_COMM_EXEC_STOP)
+ goto end;
+
+ status = read16(state, OFDM_SC_RA_RAM_LOCK__A, &sc_ra_ram_lock);
+ if (status < 0)
+ goto end;
+
+ if ((sc_ra_ram_lock & mpeg_lock_mask) == mpeg_lock_mask)
+ *p_lock_status = MPEG_LOCK;
+ else if ((sc_ra_ram_lock & fec_lock_mask) == fec_lock_mask)
+ *p_lock_status = FEC_LOCK;
+ else if ((sc_ra_ram_lock & demod_lock_mask) == demod_lock_mask)
+ *p_lock_status = DEMOD_LOCK;
+ else if (sc_ra_ram_lock & OFDM_SC_RA_RAM_LOCK_NODVBT__M)
+ *p_lock_status = NEVER_LOCK;
+end:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int power_up_qam(struct drxk_state *state)
+{
+ enum drx_power_mode power_mode = DRXK_POWER_DOWN_OFDM;
+ int status;
+
+ dprintk(1, "\n");
+ status = ctrl_power_mode(state, &power_mode);
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+
+/** Power Down QAM */
+static int power_down_qam(struct drxk_state *state)
+{
+ u16 data = 0;
+ u16 cmd_result;
+ int status = 0;
+
+ dprintk(1, "\n");
+ status = read16(state, SCU_COMM_EXEC__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == SCU_COMM_EXEC_ACTIVE) {
+ /*
+ STOP demodulator
+ QAM and HW blocks
+ */
+ /* stop all comstate->m_exec */
+ status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM
+ | SCU_RAM_COMMAND_CMD_DEMOD_STOP,
+ 0, NULL, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+ }
+ /* powerdown AFE */
+ status = set_iqm_af(state, false);
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Setup of the QAM Measurement intervals for signal quality
+* \param demod instance of demod.
+* \param modulation current modulation.
+* \return DRXStatus_t.
+*
+* NOTE:
+* Take into account that for certain settings the errorcounters can overflow.
+* The implementation does not check this.
+*
+*/
+static int set_qam_measurement(struct drxk_state *state,
+ enum e_drxk_constellation modulation,
+ u32 symbol_rate)
+{
+ u32 fec_bits_desired = 0; /* BER accounting period */
+ u32 fec_rs_period_total = 0; /* Total period */
+ u16 fec_rs_prescale = 0; /* ReedSolomon Measurement Prescale */
+ u16 fec_rs_period = 0; /* Value for corresponding I2C register */
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ fec_rs_prescale = 1;
+ /* fec_bits_desired = symbol_rate [kHz] *
+ FrameLenght [ms] *
+ (modulation + 1) *
+ SyncLoss (== 1) *
+ ViterbiLoss (==1)
+ */
+ switch (modulation) {
+ case DRX_CONSTELLATION_QAM16:
+ fec_bits_desired = 4 * symbol_rate;
+ break;
+ case DRX_CONSTELLATION_QAM32:
+ fec_bits_desired = 5 * symbol_rate;
+ break;
+ case DRX_CONSTELLATION_QAM64:
+ fec_bits_desired = 6 * symbol_rate;
+ break;
+ case DRX_CONSTELLATION_QAM128:
+ fec_bits_desired = 7 * symbol_rate;
+ break;
+ case DRX_CONSTELLATION_QAM256:
+ fec_bits_desired = 8 * symbol_rate;
+ break;
+ default:
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ fec_bits_desired /= 1000; /* symbol_rate [Hz] -> symbol_rate [kHz] */
+ fec_bits_desired *= 500; /* meas. period [ms] */
+
+ /* Annex A/C: bits/RsPeriod = 204 * 8 = 1632 */
+ /* fec_rs_period_total = fec_bits_desired / 1632 */
+ fec_rs_period_total = (fec_bits_desired / 1632UL) + 1; /* roughly ceil */
+
+ /* fec_rs_period_total = fec_rs_prescale * fec_rs_period */
+ fec_rs_prescale = 1 + (u16) (fec_rs_period_total >> 16);
+ if (fec_rs_prescale == 0) {
+ /* Divide by zero (though impossible) */
+ status = -EINVAL;
+ if (status < 0)
+ goto error;
+ }
+ fec_rs_period =
+ ((u16) fec_rs_period_total +
+ (fec_rs_prescale >> 1)) / fec_rs_prescale;
+
+ /* write corresponding registers */
+ status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, fec_rs_period);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_RS_MEASUREMENT_PRESCALE__A,
+ fec_rs_prescale);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_SNC_FAIL_PERIOD__A, fec_rs_period);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int set_qam16(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 13517);
+ if (status < 0)
+ goto error;
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+ /* QAM Slicer Settings */
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A,
+ DRXK_QAM_SL_SIG_POWER_QAM16);
+ if (status < 0)
+ goto error;
+
+ /* QAM Loop Controller Coeficients */
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 32);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 140);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 95);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 120);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 230);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 105);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 24);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 220);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 25);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -65);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -127);
+ if (status < 0)
+ goto error;
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief QAM32 specific setup
+* \param demod instance of demod.
+* \return DRXStatus_t.
+*/
+static int set_qam32(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 6707);
+ if (status < 0)
+ goto error;
+
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+ /* QAM Slicer Settings */
+
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A,
+ DRXK_QAM_SL_SIG_POWER_QAM32);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Loop Controller Coeficients */
+
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 0);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 90);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 170);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 100);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 10);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 140);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) -8);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) -16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -26);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -56);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -86);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief QAM64 specific setup
+* \param demod instance of demod.
+* \return DRXStatus_t.
+*/
+static int set_qam64(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 13336);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 12618);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 11988);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 13809);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13809);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 15609);
+ if (status < 0)
+ goto error;
+
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+ /* QAM Slicer Settings */
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A,
+ DRXK_QAM_SL_SIG_POWER_QAM64);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Loop Controller Coeficients */
+
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 30);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 30);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 48);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 110);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 200);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 95);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 15);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 141);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -45);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -80);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief QAM128 specific setup
+* \param demod: instance of demod.
+* \return DRXStatus_t.
+*/
+static int set_qam128(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 6564);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 6598);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 6394);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 6409);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 6656);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 7238);
+ if (status < 0)
+ goto error;
+
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Slicer Settings */
+
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A,
+ DRXK_QAM_SL_SIG_POWER_QAM128);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Loop Controller Coeficients */
+
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 120);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 60);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 64);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 0);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 140);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 100);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 5);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 12);
+ if (status < 0)
+ goto error;
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 65);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -1);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -23);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief QAM256 specific setup
+* \param demod: instance of demod.
+* \return DRXStatus_t.
+*/
+static int set_qam256(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 11502);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 12084);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 12543);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 12931);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13629);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 15385);
+ if (status < 0)
+ goto error;
+
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+ /* QAM Slicer Settings */
+
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A,
+ DRXK_QAM_SL_SIG_POWER_QAM256);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Loop Controller Coeficients */
+
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 250);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 125);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 48);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 150);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 110);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 12);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 74);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 18);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 13);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -8);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+
+/*============================================================================*/
+/**
+* \brief Reset QAM block.
+* \param demod: instance of demod.
+* \param channel: pointer to channel data.
+* \return DRXStatus_t.
+*/
+static int qam_reset_qam(struct drxk_state *state)
+{
+ int status;
+ u16 cmd_result;
+
+ dprintk(1, "\n");
+ /* Stop QAM comstate->m_exec */
+ status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM
+ | SCU_RAM_COMMAND_CMD_DEMOD_RESET,
+ 0, NULL, 1, &cmd_result);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Set QAM symbolrate.
+* \param demod: instance of demod.
+* \param channel: pointer to channel data.
+* \return DRXStatus_t.
+*/
+static int qam_set_symbolrate(struct drxk_state *state)
+{
+ u32 adc_frequency = 0;
+ u32 symb_freq = 0;
+ u32 iqm_rc_rate = 0;
+ u16 ratesel = 0;
+ u32 lc_symb_rate = 0;
+ int status;
+
+ dprintk(1, "\n");
+ /* Select & calculate correct IQM rate */
+ adc_frequency = (state->m_sys_clock_freq * 1000) / 3;
+ ratesel = 0;
+ /* printk(KERN_DEBUG "drxk: SR %d\n", state->props.symbol_rate); */
+ if (state->props.symbol_rate <= 1188750)
+ ratesel = 3;
+ else if (state->props.symbol_rate <= 2377500)
+ ratesel = 2;
+ else if (state->props.symbol_rate <= 4755000)
+ ratesel = 1;
+ status = write16(state, IQM_FD_RATESEL__A, ratesel);
+ if (status < 0)
+ goto error;
+
+ /*
+ IqmRcRate = ((Fadc / (symbolrate * (4<<ratesel))) - 1) * (1<<23)
+ */
+ symb_freq = state->props.symbol_rate * (1 << ratesel);
+ if (symb_freq == 0) {
+ /* Divide by zero */
+ status = -EINVAL;
+ goto error;
+ }
+ iqm_rc_rate = (adc_frequency / symb_freq) * (1 << 21) +
+ (Frac28a((adc_frequency % symb_freq), symb_freq) >> 7) -
+ (1 << 23);
+ status = write32(state, IQM_RC_RATE_OFS_LO__A, iqm_rc_rate);
+ if (status < 0)
+ goto error;
+ state->m_iqm_rc_rate = iqm_rc_rate;
+ /*
+ LcSymbFreq = round (.125 * symbolrate / adc_freq * (1<<15))
+ */
+ symb_freq = state->props.symbol_rate;
+ if (adc_frequency == 0) {
+ /* Divide by zero */
+ status = -EINVAL;
+ goto error;
+ }
+ lc_symb_rate = (symb_freq / adc_frequency) * (1 << 12) +
+ (Frac28a((symb_freq % adc_frequency), adc_frequency) >>
+ 16);
+ if (lc_symb_rate > 511)
+ lc_symb_rate = 511;
+ status = write16(state, QAM_LC_SYMBOL_FREQ__A, (u16) lc_symb_rate);
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Get QAM lock status.
+* \param demod: instance of demod.
+* \param channel: pointer to channel data.
+* \return DRXStatus_t.
+*/
+
+static int get_qam_lock_status(struct drxk_state *state, u32 *p_lock_status)
+{
+ int status;
+ u16 result[2] = { 0, 0 };
+
+ dprintk(1, "\n");
+ *p_lock_status = NOT_LOCKED;
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_QAM |
+ SCU_RAM_COMMAND_CMD_DEMOD_GET_LOCK, 0, NULL, 2,
+ result);
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ if (result[1] < SCU_RAM_QAM_LOCKED_LOCKED_DEMOD_LOCKED) {
+ /* 0x0000 NOT LOCKED */
+ } else if (result[1] < SCU_RAM_QAM_LOCKED_LOCKED_LOCKED) {
+ /* 0x4000 DEMOD LOCKED */
+ *p_lock_status = DEMOD_LOCK;
+ } else if (result[1] < SCU_RAM_QAM_LOCKED_LOCKED_NEVER_LOCK) {
+ /* 0x8000 DEMOD + FEC LOCKED (system lock) */
+ *p_lock_status = MPEG_LOCK;
+ } else {
+ /* 0xC000 NEVER LOCKED */
+ /* (system will never be able to lock to the signal) */
+ /*
+ * TODO: check this, intermediate & standard specific lock
+ * states are not taken into account here
+ */
+ *p_lock_status = NEVER_LOCK;
+ }
+ return status;
+}
+
+#define QAM_MIRROR__M 0x03
+#define QAM_MIRROR_NORMAL 0x00
+#define QAM_MIRRORED 0x01
+#define QAM_MIRROR_AUTO_ON 0x02
+#define QAM_LOCKRANGE__M 0x10
+#define QAM_LOCKRANGE_NORMAL 0x10
+
+static int qam_demodulator_command(struct drxk_state *state,
+ int number_of_parameters)
+{
+ int status;
+ u16 cmd_result;
+ u16 set_param_parameters[4] = { 0, 0, 0, 0 };
+
+ set_param_parameters[0] = state->m_constellation; /* modulation */
+ set_param_parameters[1] = DRXK_QAM_I12_J17; /* interleave mode */
+
+ if (number_of_parameters == 2) {
+ u16 set_env_parameters[1] = { 0 };
+
+ if (state->m_operation_mode == OM_QAM_ITU_C)
+ set_env_parameters[0] = QAM_TOP_ANNEX_C;
+ else
+ set_env_parameters[0] = QAM_TOP_ANNEX_A;
+
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_QAM
+ | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV,
+ 1, set_env_parameters, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_QAM
+ | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM,
+ number_of_parameters, set_param_parameters,
+ 1, &cmd_result);
+ } else if (number_of_parameters == 4) {
+ if (state->m_operation_mode == OM_QAM_ITU_C)
+ set_param_parameters[2] = QAM_TOP_ANNEX_C;
+ else
+ set_param_parameters[2] = QAM_TOP_ANNEX_A;
+
+ set_param_parameters[3] |= (QAM_MIRROR_AUTO_ON);
+ /* Env parameters */
+ /* check for LOCKRANGE Extented */
+ /* set_param_parameters[3] |= QAM_LOCKRANGE_NORMAL; */
+
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_QAM
+ | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM,
+ number_of_parameters, set_param_parameters,
+ 1, &cmd_result);
+ } else {
+ pr_warn("Unknown QAM demodulator parameter count %d\n",
+ number_of_parameters);
+ status = -EINVAL;
+ }
+
+error:
+ if (status < 0)
+ pr_warn("Warning %d on %s\n", status, __func__);
+ return status;
+}
+
+static int set_qam(struct drxk_state *state, u16 intermediate_freqk_hz,
+ s32 tuner_freq_offset)
+{
+ int status;
+ u16 cmd_result;
+ int qam_demod_param_count = state->qam_demod_parameter_count;
+
+ dprintk(1, "\n");
+ /*
+ * STEP 1: reset demodulator
+ * resets FEC DI and FEC RS
+ * resets QAM block
+ * resets SCU variables
+ */
+ status = write16(state, FEC_DI_COMM_EXEC__A, FEC_DI_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_RS_COMM_EXEC__A, FEC_RS_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = qam_reset_qam(state);
+ if (status < 0)
+ goto error;
+
+ /*
+ * STEP 2: configure demodulator
+ * -set params; resets IQM,QAM,FEC HW; initializes some
+ * SCU variables
+ */
+ status = qam_set_symbolrate(state);
+ if (status < 0)
+ goto error;
+
+ /* Set params */
+ switch (state->props.modulation) {
+ case QAM_256:
+ state->m_constellation = DRX_CONSTELLATION_QAM256;
+ break;
+ case QAM_AUTO:
+ case QAM_64:
+ state->m_constellation = DRX_CONSTELLATION_QAM64;
+ break;
+ case QAM_16:
+ state->m_constellation = DRX_CONSTELLATION_QAM16;
+ break;
+ case QAM_32:
+ state->m_constellation = DRX_CONSTELLATION_QAM32;
+ break;
+ case QAM_128:
+ state->m_constellation = DRX_CONSTELLATION_QAM128;
+ break;
+ default:
+ status = -EINVAL;
+ break;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Use the 4-parameter if it's requested or we're probing for
+ * the correct command. */
+ if (state->qam_demod_parameter_count == 4
+ || !state->qam_demod_parameter_count) {
+ qam_demod_param_count = 4;
+ status = qam_demodulator_command(state, qam_demod_param_count);
+ }
+
+ /* Use the 2-parameter command if it was requested or if we're
+ * probing for the correct command and the 4-parameter command
+ * failed. */
+ if (state->qam_demod_parameter_count == 2
+ || (!state->qam_demod_parameter_count && status < 0)) {
+ qam_demod_param_count = 2;
+ status = qam_demodulator_command(state, qam_demod_param_count);
+ }
+
+ if (status < 0) {
+ dprintk(1, "Could not set demodulator parameters.\n");
+ dprintk(1,
+ "Make sure qam_demod_parameter_count (%d) is correct for your firmware (%s).\n",
+ state->qam_demod_parameter_count,
+ state->microcode_name);
+ goto error;
+ } else if (!state->qam_demod_parameter_count) {
+ dprintk(1,
+ "Auto-probing the QAM command parameters was successful - using %d parameters.\n",
+ qam_demod_param_count);
+
+ /*
+ * One of our commands was successful. We don't need to
+ * auto-probe anymore, now that we got the correct command.
+ */
+ state->qam_demod_parameter_count = qam_demod_param_count;
+ }
+
+ /*
+ * STEP 3: enable the system in a mode where the ADC provides valid
+ * signal setup modulation independent registers
+ */
+#if 0
+ status = set_frequency(channel, tuner_freq_offset));
+ if (status < 0)
+ goto error;
+#endif
+ status = set_frequency_shifter(state, intermediate_freqk_hz,
+ tuner_freq_offset, true);
+ if (status < 0)
+ goto error;
+
+ /* Setup BER measurement */
+ status = set_qam_measurement(state, state->m_constellation,
+ state->props.symbol_rate);
+ if (status < 0)
+ goto error;
+
+ /* Reset default values */
+ status = write16(state, IQM_CF_SCALE_SH__A, IQM_CF_SCALE_SH__PRE);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_TIMEOUT__A, QAM_SY_TIMEOUT__PRE);
+ if (status < 0)
+ goto error;
+
+ /* Reset default LC values */
+ status = write16(state, QAM_LC_RATE_LIMIT__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_LPF_FACTORP__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_LPF_FACTORI__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_MODE__A, 7);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_LC_QUAL_TAB0__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB1__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB2__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB3__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB4__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB5__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB6__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB8__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB9__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB10__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB12__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB15__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB16__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB20__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB25__A, 4);
+ if (status < 0)
+ goto error;
+
+ /* Mirroring, QAM-block starting point not inverted */
+ status = write16(state, QAM_SY_SP_INV__A,
+ QAM_SY_SP_INV_SPECTRUM_INV_DIS);
+ if (status < 0)
+ goto error;
+
+ /* Halt SCU to enable safe non-atomic accesses */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
+ if (status < 0)
+ goto error;
+
+ /* STEP 4: modulation specific setup */
+ switch (state->props.modulation) {
+ case QAM_16:
+ status = set_qam16(state);
+ break;
+ case QAM_32:
+ status = set_qam32(state);
+ break;
+ case QAM_AUTO:
+ case QAM_64:
+ status = set_qam64(state);
+ break;
+ case QAM_128:
+ status = set_qam128(state);
+ break;
+ case QAM_256:
+ status = set_qam256(state);
+ break;
+ default:
+ status = -EINVAL;
+ break;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Activate SCU to enable SCU commands */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ /* Re-configure MPEG output, requires knowledge of channel bitrate */
+ /* extAttr->currentChannel.modulation = channel->modulation; */
+ /* extAttr->currentChannel.symbolrate = channel->symbolrate; */
+ status = mpegts_dto_setup(state, state->m_operation_mode);
+ if (status < 0)
+ goto error;
+
+ /* start processes */
+ status = mpegts_start(state);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ /* STEP 5: start QAM demodulator (starts FEC, QAM and IQM HW) */
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM
+ | SCU_RAM_COMMAND_CMD_DEMOD_START,
+ 0, NULL, 1, &cmd_result);
+ if (status < 0)
+ goto error;
+
+ /* update global DRXK data container */
+/*? extAttr->qamInterleaveMode = DRXK_QAM_I12_J17; */
+
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int set_qam_standard(struct drxk_state *state,
+ enum operation_mode o_mode)
+{
+ int status;
+#ifdef DRXK_QAM_TAPS
+#define DRXK_QAMA_TAPS_SELECT
+#include "drxk_filters.h"
+#undef DRXK_QAMA_TAPS_SELECT
+#endif
+
+ dprintk(1, "\n");
+
+ /* added antenna switch */
+ switch_antenna_to_qam(state);
+
+ /* Ensure correct power-up mode */
+ status = power_up_qam(state);
+ if (status < 0)
+ goto error;
+ /* Reset QAM block */
+ status = qam_reset_qam(state);
+ if (status < 0)
+ goto error;
+
+ /* Setup IQM */
+
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_AMUX__A, IQM_AF_AMUX_SIGNAL2ADC);
+ if (status < 0)
+ goto error;
+
+ /* Upload IQM Channel Filter settings by
+ boot loader from ROM table */
+ switch (o_mode) {
+ case OM_QAM_ITU_A:
+ status = bl_chain_cmd(state, DRXK_BL_ROM_OFFSET_TAPS_ITU_A,
+ DRXK_BLCC_NR_ELEMENTS_TAPS,
+ DRXK_BLC_TIMEOUT);
+ break;
+ case OM_QAM_ITU_C:
+ status = bl_direct_cmd(state, IQM_CF_TAP_RE0__A,
+ DRXK_BL_ROM_OFFSET_TAPS_ITU_C,
+ DRXK_BLDC_NR_ELEMENTS_TAPS,
+ DRXK_BLC_TIMEOUT);
+ if (status < 0)
+ goto error;
+ status = bl_direct_cmd(state,
+ IQM_CF_TAP_IM0__A,
+ DRXK_BL_ROM_OFFSET_TAPS_ITU_C,
+ DRXK_BLDC_NR_ELEMENTS_TAPS,
+ DRXK_BLC_TIMEOUT);
+ break;
+ default:
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_CF_OUT_ENA__A, 1 << IQM_CF_OUT_ENA_QAM__B);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_SYMMETRIC__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_MIDTAP__A,
+ ((1 << IQM_CF_MIDTAP_RE__B) | (1 << IQM_CF_MIDTAP_IM__B)));
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_RC_STRETCH__A, 21);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_CLP_LEN__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_CLP_TH__A, 448);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_SNS_LEN__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_POW_MEAS_LEN__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_FS_ADJ_SEL__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_RC_ADJ_SEL__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_ADJ_SEL__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_UPD_SEL__A, 0);
+ if (status < 0)
+ goto error;
+
+ /* IQM Impulse Noise Processing Unit */
+ status = write16(state, IQM_CF_CLP_VAL__A, 500);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DATATH__A, 1000);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_BYPASSDET__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DET_LCT__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_WND_LEN__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_PKDTH__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_INC_BYPASS__A, 1);
+ if (status < 0)
+ goto error;
+
+ /* turn on IQMAF. Must be done before setAgc**() */
+ status = set_iqm_af(state, true);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_START_LOCK__A, 0x01);
+ if (status < 0)
+ goto error;
+
+ /* IQM will not be reset from here, sync ADC and update/init AGC */
+ status = adc_synchronization(state);
+ if (status < 0)
+ goto error;
+
+ /* Set the FSM step period */
+ status = write16(state, SCU_RAM_QAM_FSM_STEP_PERIOD__A, 2000);
+ if (status < 0)
+ goto error;
+
+ /* Halt SCU to enable safe non-atomic accesses */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
+ if (status < 0)
+ goto error;
+
+ /* No more resets of the IQM, current standard correctly set =>
+ now AGCs can be configured. */
+
+ status = init_agc(state, true);
+ if (status < 0)
+ goto error;
+ status = set_pre_saw(state, &(state->m_qam_pre_saw_cfg));
+ if (status < 0)
+ goto error;
+
+ /* Configure AGC's */
+ status = set_agc_rf(state, &(state->m_qam_rf_agc_cfg), true);
+ if (status < 0)
+ goto error;
+ status = set_agc_if(state, &(state->m_qam_if_agc_cfg), true);
+ if (status < 0)
+ goto error;
+
+ /* Activate SCU to enable SCU commands */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int write_gpio(struct drxk_state *state)
+{
+ int status;
+ u16 value = 0;
+
+ dprintk(1, "\n");
+ /* stop lock indicator process */
+ status = write16(state, SCU_RAM_GPIO__A,
+ SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+
+ /* Write magic word to enable pdr reg write */
+ status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
+ if (status < 0)
+ goto error;
+
+ if (state->m_has_sawsw) {
+ if (state->uio_mask & 0x0001) { /* UIO-1 */
+ /* write to io pad configuration register - output mode */
+ status = write16(state, SIO_PDR_SMA_TX_CFG__A,
+ state->m_gpio_cfg);
+ if (status < 0)
+ goto error;
+
+ /* use corresponding bit in io data output registar */
+ status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
+ if (status < 0)
+ goto error;
+ if ((state->m_gpio & 0x0001) == 0)
+ value &= 0x7FFF; /* write zero to 15th bit - 1st UIO */
+ else
+ value |= 0x8000; /* write one to 15th bit - 1st UIO */
+ /* write back to io data output register */
+ status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
+ if (status < 0)
+ goto error;
+ }
+ if (state->uio_mask & 0x0002) { /* UIO-2 */
+ /* write to io pad configuration register - output mode */
+ status = write16(state, SIO_PDR_SMA_RX_CFG__A,
+ state->m_gpio_cfg);
+ if (status < 0)
+ goto error;
+
+ /* use corresponding bit in io data output registar */
+ status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
+ if (status < 0)
+ goto error;
+ if ((state->m_gpio & 0x0002) == 0)
+ value &= 0xBFFF; /* write zero to 14th bit - 2st UIO */
+ else
+ value |= 0x4000; /* write one to 14th bit - 2st UIO */
+ /* write back to io data output register */
+ status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
+ if (status < 0)
+ goto error;
+ }
+ if (state->uio_mask & 0x0004) { /* UIO-3 */
+ /* write to io pad configuration register - output mode */
+ status = write16(state, SIO_PDR_GPIO_CFG__A,
+ state->m_gpio_cfg);
+ if (status < 0)
+ goto error;
+
+ /* use corresponding bit in io data output registar */
+ status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
+ if (status < 0)
+ goto error;
+ if ((state->m_gpio & 0x0004) == 0)
+ value &= 0xFFFB; /* write zero to 2nd bit - 3rd UIO */
+ else
+ value |= 0x0004; /* write one to 2nd bit - 3rd UIO */
+ /* write back to io data output register */
+ status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
+ if (status < 0)
+ goto error;
+ }
+ }
+ /* Write magic word to disable pdr reg write */
+ status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int switch_antenna_to_qam(struct drxk_state *state)
+{
+ int status = 0;
+ bool gpio_state;
+
+ dprintk(1, "\n");
+
+ if (!state->antenna_gpio)
+ return 0;
+
+ gpio_state = state->m_gpio & state->antenna_gpio;
+
+ if (state->antenna_dvbt ^ gpio_state) {
+ /* Antenna is on DVB-T mode. Switch */
+ if (state->antenna_dvbt)
+ state->m_gpio &= ~state->antenna_gpio;
+ else
+ state->m_gpio |= state->antenna_gpio;
+ status = write_gpio(state);
+ }
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int switch_antenna_to_dvbt(struct drxk_state *state)
+{
+ int status = 0;
+ bool gpio_state;
+
+ dprintk(1, "\n");
+
+ if (!state->antenna_gpio)
+ return 0;
+
+ gpio_state = state->m_gpio & state->antenna_gpio;
+
+ if (!(state->antenna_dvbt ^ gpio_state)) {
+ /* Antenna is on DVB-C mode. Switch */
+ if (state->antenna_dvbt)
+ state->m_gpio |= state->antenna_gpio;
+ else
+ state->m_gpio &= ~state->antenna_gpio;
+ status = write_gpio(state);
+ }
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+ return status;
+}
+
+
+static int power_down_device(struct drxk_state *state)
+{
+ /* Power down to requested mode */
+ /* Backup some register settings */
+ /* Set pins with possible pull-ups connected to them in input mode */
+ /* Analog power down */
+ /* ADC power down */
+ /* Power down device */
+ int status;
+
+ dprintk(1, "\n");
+ if (state->m_b_p_down_open_bridge) {
+ /* Open I2C bridge before power down of DRXK */
+ status = ConfigureI2CBridge(state, true);
+ if (status < 0)
+ goto error;
+ }
+ /* driver 0.9.0 */
+ status = dvbt_enable_ofdm_token_ring(state, false);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SIO_CC_PWD_MODE__A,
+ SIO_CC_PWD_MODE_LEVEL_CLOCK);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
+ if (status < 0)
+ goto error;
+ state->m_hi_cfg_ctrl |= SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
+ status = hi_cfg_command(state);
+error:
+ if (status < 0)
+ pr_err("Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int init_drxk(struct drxk_state *state)
+{
+ int status = 0, n = 0;
+ enum drx_power_mode power_mode = DRXK_POWER_DOWN_OFDM;
+ u16 driver_version;
+
+ dprintk(1, "\n");
+ if ((state->m_drxk_state == DRXK_UNINITIALIZED)) {
+ drxk_i2c_lock(state);
+ status = power_up_device(state);
+ if (status < 0)
+ goto error;
+ status = drxx_open(state);
+ if (status < 0)
+ goto error;
+ /* Soft reset of OFDM-, sys- and osc-clockdomain */
+ status = write16(state, SIO_CC_SOFT_RST__A,
+ SIO_CC_SOFT_RST_OFDM__M
+ | SIO_CC_SOFT_RST_SYS__M
+ | SIO_CC_SOFT_RST_OSC__M);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
+ if (status < 0)
+ goto error;
+ /*
+ * TODO is this needed? If yes, how much delay in
+ * worst case scenario
+ */
+ usleep_range(1000, 2000);
+ state->m_drxk_a3_patch_code = true;
+ status = get_device_capabilities(state);
+ if (status < 0)
+ goto error;
+
+ /* Bridge delay, uses oscilator clock */
+ /* Delay = (delay (nano seconds) * oscclk (kHz))/ 1000 */
+ /* SDA brdige delay */
+ state->m_hi_cfg_bridge_delay =
+ (u16) ((state->m_osc_clock_freq / 1000) *
+ HI_I2C_BRIDGE_DELAY) / 1000;
+ /* Clipping */
+ if (state->m_hi_cfg_bridge_delay >
+ SIO_HI_RA_RAM_PAR_3_CFG_DBL_SDA__M) {
+ state->m_hi_cfg_bridge_delay =
+ SIO_HI_RA_RAM_PAR_3_CFG_DBL_SDA__M;
+ }
+ /* SCL bridge delay, same as SDA for now */
+ state->m_hi_cfg_bridge_delay +=
+ state->m_hi_cfg_bridge_delay <<
+ SIO_HI_RA_RAM_PAR_3_CFG_DBL_SCL__B;
+
+ status = init_hi(state);
+ if (status < 0)
+ goto error;
+ /* disable various processes */
+#if NOA1ROM
+ if (!(state->m_DRXK_A1_ROM_CODE)
+ && !(state->m_DRXK_A2_ROM_CODE))
+#endif
+ {
+ status = write16(state, SCU_RAM_GPIO__A,
+ SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+ }
+
+ /* disable MPEG port */
+ status = mpegts_disable(state);
+ if (status < 0)
+ goto error;
+
+ /* Stop AUD and SCU */
+ status = write16(state, AUD_COMM_EXEC__A, AUD_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+
+ /* enable token-ring bus through OFDM block for possible ucode upload */
+ status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A,
+ SIO_OFDM_SH_OFDM_RING_ENABLE_ON);
+ if (status < 0)
+ goto error;
+
+ /* include boot loader section */
+ status = write16(state, SIO_BL_COMM_EXEC__A,
+ SIO_BL_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = bl_chain_cmd(state, 0, 6, 100);
+ if (status < 0)
+ goto error;
+
+ if (state->fw) {
+ status = download_microcode(state, state->fw->data,
+ state->fw->size);
+ if (status < 0)
+ goto error;
+ }
+
+ /* disable token-ring bus through OFDM block for possible ucode upload */
+ status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A,
+ SIO_OFDM_SH_OFDM_RING_ENABLE_OFF);
+ if (status < 0)
+ goto error;
+
+ /* Run SCU for a little while to initialize microcode version numbers */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = drxx_open(state);
+ if (status < 0)
+ goto error;
+ /* added for test */
+ msleep(30);
+
+ power_mode = DRXK_POWER_DOWN_OFDM;
+ status = ctrl_power_mode(state, &power_mode);
+ if (status < 0)
+ goto error;
+
+ /* Stamp driver version number in SCU data RAM in BCD code
+ Done to enable field application engineers to retrieve drxdriver version
+ via I2C from SCU RAM.
+ Not using SCU command interface for SCU register access since no
+ microcode may be present.
+ */
+ driver_version =
+ (((DRXK_VERSION_MAJOR / 100) % 10) << 12) +
+ (((DRXK_VERSION_MAJOR / 10) % 10) << 8) +
+ ((DRXK_VERSION_MAJOR % 10) << 4) +
+ (DRXK_VERSION_MINOR % 10);
+ status = write16(state, SCU_RAM_DRIVER_VER_HI__A,
+ driver_version);
+ if (status < 0)
+ goto error;
+ driver_version =
+ (((DRXK_VERSION_PATCH / 1000) % 10) << 12) +
+ (((DRXK_VERSION_PATCH / 100) % 10) << 8) +
+ (((DRXK_VERSION_PATCH / 10) % 10) << 4) +
+ (DRXK_VERSION_PATCH % 10);
+ status = write16(state, SCU_RAM_DRIVER_VER_LO__A,
+ driver_version);
+ if (status < 0)
+ goto error;
+
+ pr_info("DRXK driver version %d.%d.%d\n",
+ DRXK_VERSION_MAJOR, DRXK_VERSION_MINOR,
+ DRXK_VERSION_PATCH);
+
+ /*
+ * Dirty fix of default values for ROM/PATCH microcode
+ * Dirty because this fix makes it impossible to setup
+ * suitable values before calling DRX_Open. This solution
+ * requires changes to RF AGC speed to be done via the CTRL
+ * function after calling DRX_Open
+ */
+
+ /* m_dvbt_rf_agc_cfg.speed = 3; */
+
+ /* Reset driver debug flags to 0 */
+ status = write16(state, SCU_RAM_DRIVER_DEBUG__A, 0);
+ if (status < 0)
+ goto error;
+ /* driver 0.9.0 */
+ /* Setup FEC OC:
+ NOTE: No more full FEC resets allowed afterwards!! */
+ status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ /* MPEGTS functions are still the same */
+ status = mpegts_dto_init(state);
+ if (status < 0)
+ goto error;
+ status = mpegts_stop(state);
+ if (status < 0)
+ goto error;
+ status = mpegts_configure_polarity(state);
+ if (status < 0)
+ goto error;
+ status = mpegts_configure_pins(state, state->m_enable_mpeg_output);
+ if (status < 0)
+ goto error;
+ /* added: configure GPIO */
+ status = write_gpio(state);
+ if (status < 0)
+ goto error;
+
+ state->m_drxk_state = DRXK_STOPPED;
+
+ if (state->m_b_power_down) {
+ status = power_down_device(state);
+ if (status < 0)
+ goto error;
+ state->m_drxk_state = DRXK_POWERED_DOWN;
+ } else
+ state->m_drxk_state = DRXK_STOPPED;
+
+ /* Initialize the supported delivery systems */
+ n = 0;
+ if (state->m_has_dvbc) {
+ state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_A;
+ state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_C;
+ strlcat(state->frontend.ops.info.name, " DVB-C",
+ sizeof(state->frontend.ops.info.name));
+ }
+ if (state->m_has_dvbt) {
+ state->frontend.ops.delsys[n++] = SYS_DVBT;
+ strlcat(state->frontend.ops.info.name, " DVB-T",
+ sizeof(state->frontend.ops.info.name));
+ }
+ drxk_i2c_unlock(state);
+ }
+error:
+ if (status < 0) {
+ state->m_drxk_state = DRXK_NO_DEV;
+ drxk_i2c_unlock(state);
+ pr_err("Error %d on %s\n", status, __func__);
+ }
+
+ return status;
+}
+
+static void load_firmware_cb(const struct firmware *fw,
+ void *context)
+{
+ struct drxk_state *state = context;
+
+ dprintk(1, ": %s\n", fw ? "firmware loaded" : "firmware not loaded");
+ if (!fw) {
+ pr_err("Could not load firmware file %s.\n",
+ state->microcode_name);
+ pr_info("Copy %s to your hotplug directory!\n",
+ state->microcode_name);
+ state->microcode_name = NULL;
+
+ /*
+ * As firmware is now load asynchronous, it is not possible
+ * anymore to fail at frontend attach. We might silently
+ * return here, and hope that the driver won't crash.
+ * We might also change all DVB callbacks to return -ENODEV
+ * if the device is not initialized.
+ * As the DRX-K devices have their own internal firmware,
+ * let's just hope that it will match a firmware revision
+ * compatible with this driver and proceed.
+ */
+ }
+ state->fw = fw;
+
+ init_drxk(state);
+}
+
+static void drxk_release(struct dvb_frontend *fe)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+
+ dprintk(1, "\n");
+ release_firmware(state->fw);
+
+ kfree(state);
+}
+
+static int drxk_sleep(struct dvb_frontend *fe)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+
+ dprintk(1, "\n");
+
+ if (state->m_drxk_state == DRXK_NO_DEV)
+ return -ENODEV;
+ if (state->m_drxk_state == DRXK_UNINITIALIZED)
+ return 0;
+
+ shut_down(state);
+ return 0;
+}
+
+static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+
+ dprintk(1, ": %s\n", enable ? "enable" : "disable");
+
+ if (state->m_drxk_state == DRXK_NO_DEV)
+ return -ENODEV;
+
+ return ConfigureI2CBridge(state, enable ? true : false);
+}
+
+static int drxk_set_parameters(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ u32 delsys = p->delivery_system, old_delsys;
+ struct drxk_state *state = fe->demodulator_priv;
+ u32 IF;
+
+ dprintk(1, "\n");
+
+ if (state->m_drxk_state == DRXK_NO_DEV)
+ return -ENODEV;
+
+ if (state->m_drxk_state == DRXK_UNINITIALIZED)
+ return -EAGAIN;
+
+ if (!fe->ops.tuner_ops.get_if_frequency) {
+ pr_err("Error: get_if_frequency() not defined at tuner. Can't work without it!\n");
+ return -EINVAL;
+ }
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
+ old_delsys = state->props.delivery_system;
+ state->props = *p;
+
+ if (old_delsys != delsys) {
+ shut_down(state);
+ switch (delsys) {
+ case SYS_DVBC_ANNEX_A:
+ case SYS_DVBC_ANNEX_C:
+ if (!state->m_has_dvbc)
+ return -EINVAL;
+ state->m_itut_annex_c = (delsys == SYS_DVBC_ANNEX_C) ?
+ true : false;
+ if (state->m_itut_annex_c)
+ setoperation_mode(state, OM_QAM_ITU_C);
+ else
+ setoperation_mode(state, OM_QAM_ITU_A);
+ break;
+ case SYS_DVBT:
+ if (!state->m_has_dvbt)
+ return -EINVAL;
+ setoperation_mode(state, OM_DVBT);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ fe->ops.tuner_ops.get_if_frequency(fe, &IF);
+ start(state, 0, IF);
+
+ /* After set_frontend, stats aren't available */
+ p->strength.stat[0].scale = FE_SCALE_RELATIVE;
+ p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ /* printk(KERN_DEBUG "drxk: %s IF=%d done\n", __func__, IF); */
+
+ return 0;
+}
+
+static int get_strength(struct drxk_state *state, u64 *strength)
+{
+ int status;
+ struct s_cfg_agc rf_agc, if_agc;
+ u32 total_gain = 0;
+ u32 atten = 0;
+ u32 agc_range = 0;
+ u16 scu_lvl = 0;
+ u16 scu_coc = 0;
+ /* FIXME: those are part of the tuner presets */
+ u16 tuner_rf_gain = 50; /* Default value on az6007 driver */
+ u16 tuner_if_gain = 40; /* Default value on az6007 driver */
+
+ *strength = 0;
+
+ if (is_dvbt(state)) {
+ rf_agc = state->m_dvbt_rf_agc_cfg;
+ if_agc = state->m_dvbt_if_agc_cfg;
+ } else if (is_qam(state)) {
+ rf_agc = state->m_qam_rf_agc_cfg;
+ if_agc = state->m_qam_if_agc_cfg;
+ } else {
+ rf_agc = state->m_atv_rf_agc_cfg;
+ if_agc = state->m_atv_if_agc_cfg;
+ }
+
+ if (rf_agc.ctrl_mode == DRXK_AGC_CTRL_AUTO) {
+ /* SCU output_level */
+ status = read16(state, SCU_RAM_AGC_RF_IACCU_HI__A, &scu_lvl);
+ if (status < 0)
+ return status;
+
+ /* SCU c.o.c. */
+ read16(state, SCU_RAM_AGC_RF_IACCU_HI_CO__A, &scu_coc);
+ if (status < 0)
+ return status;
+
+ if (((u32) scu_lvl + (u32) scu_coc) < 0xffff)
+ rf_agc.output_level = scu_lvl + scu_coc;
+ else
+ rf_agc.output_level = 0xffff;
+
+ /* Take RF gain into account */
+ total_gain += tuner_rf_gain;
+
+ /* clip output value */
+ if (rf_agc.output_level < rf_agc.min_output_level)
+ rf_agc.output_level = rf_agc.min_output_level;
+ if (rf_agc.output_level > rf_agc.max_output_level)
+ rf_agc.output_level = rf_agc.max_output_level;
+
+ agc_range = (u32) (rf_agc.max_output_level - rf_agc.min_output_level);
+ if (agc_range > 0) {
+ atten += 100UL *
+ ((u32)(tuner_rf_gain)) *
+ ((u32)(rf_agc.output_level - rf_agc.min_output_level))
+ / agc_range;
+ }
+ }
+
+ if (if_agc.ctrl_mode == DRXK_AGC_CTRL_AUTO) {
+ status = read16(state, SCU_RAM_AGC_IF_IACCU_HI__A,
+ &if_agc.output_level);
+ if (status < 0)
+ return status;
+
+ status = read16(state, SCU_RAM_AGC_INGAIN_TGT_MIN__A,
+ &if_agc.top);
+ if (status < 0)
+ return status;
+
+ /* Take IF gain into account */
+ total_gain += (u32) tuner_if_gain;
+
+ /* clip output value */
+ if (if_agc.output_level < if_agc.min_output_level)
+ if_agc.output_level = if_agc.min_output_level;
+ if (if_agc.output_level > if_agc.max_output_level)
+ if_agc.output_level = if_agc.max_output_level;
+
+ agc_range = (u32)(if_agc.max_output_level - if_agc.min_output_level);
+ if (agc_range > 0) {
+ atten += 100UL *
+ ((u32)(tuner_if_gain)) *
+ ((u32)(if_agc.output_level - if_agc.min_output_level))
+ / agc_range;
+ }
+ }
+
+ /*
+ * Convert to 0..65535 scale.
+ * If it can't be measured (AGC is disabled), just show 100%.
+ */
+ if (total_gain > 0)
+ *strength = (65535UL * atten / total_gain / 100);
+ else
+ *strength = 65535;
+
+ return 0;
+}
+
+static int drxk_get_stats(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ struct drxk_state *state = fe->demodulator_priv;
+ int status;
+ u32 stat;
+ u16 reg16;
+ u32 post_bit_count;
+ u32 post_bit_err_count;
+ u32 post_bit_error_scale;
+ u32 pre_bit_err_count;
+ u32 pre_bit_count;
+ u32 pkt_count;
+ u32 pkt_error_count;
+ s32 cnr;
+
+ if (state->m_drxk_state == DRXK_NO_DEV)
+ return -ENODEV;
+ if (state->m_drxk_state == DRXK_UNINITIALIZED)
+ return -EAGAIN;
+
+ /* get status */
+ state->fe_status = 0;
+ get_lock_status(state, &stat);
+ if (stat == MPEG_LOCK)
+ state->fe_status |= 0x1f;
+ if (stat == FEC_LOCK)
+ state->fe_status |= 0x0f;
+ if (stat == DEMOD_LOCK)
+ state->fe_status |= 0x07;
+
+ /*
+ * Estimate signal strength from AGC
+ */
+ get_strength(state, &c->strength.stat[0].uvalue);
+ c->strength.stat[0].scale = FE_SCALE_RELATIVE;
+
+
+ if (stat >= DEMOD_LOCK) {
+ get_signal_to_noise(state, &cnr);
+ c->cnr.stat[0].svalue = cnr * 100;
+ c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ } else {
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
+
+ if (stat < FEC_LOCK) {
+ c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ return 0;
+ }
+
+ /* Get post BER */
+
+ /* BER measurement is valid if at least FEC lock is achieved */
+
+ /*
+ * OFDM_EC_VD_REQ_SMB_CNT__A and/or OFDM_EC_VD_REQ_BIT_CNT can be
+ * written to set nr of symbols or bits over which to measure
+ * EC_VD_REG_ERR_BIT_CNT__A . See CtrlSetCfg().
+ */
+
+ /* Read registers for post/preViterbi BER calculation */
+ status = read16(state, OFDM_EC_VD_ERR_BIT_CNT__A, &reg16);
+ if (status < 0)
+ goto error;
+ pre_bit_err_count = reg16;
+
+ status = read16(state, OFDM_EC_VD_IN_BIT_CNT__A , &reg16);
+ if (status < 0)
+ goto error;
+ pre_bit_count = reg16;
+
+ /* Number of bit-errors */
+ status = read16(state, FEC_RS_NR_BIT_ERRORS__A, &reg16);
+ if (status < 0)
+ goto error;
+ post_bit_err_count = reg16;
+
+ status = read16(state, FEC_RS_MEASUREMENT_PRESCALE__A, &reg16);
+ if (status < 0)
+ goto error;
+ post_bit_error_scale = reg16;
+
+ status = read16(state, FEC_RS_MEASUREMENT_PERIOD__A, &reg16);
+ if (status < 0)
+ goto error;
+ pkt_count = reg16;
+
+ status = read16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, &reg16);
+ if (status < 0)
+ goto error;
+ pkt_error_count = reg16;
+ write16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, 0);
+
+ post_bit_err_count *= post_bit_error_scale;
+
+ post_bit_count = pkt_count * 204 * 8;
+
+ /* Store the results */
+ c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_error.stat[0].uvalue += pkt_error_count;
+ c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_count.stat[0].uvalue += pkt_count;
+
+ c->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_error.stat[0].uvalue += pre_bit_err_count;
+ c->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_count.stat[0].uvalue += pre_bit_count;
+
+ c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[0].uvalue += post_bit_err_count;
+ c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[0].uvalue += post_bit_count;
+
+error:
+ return status;
+}
+
+
+static int drxk_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ int rc;
+
+ dprintk(1, "\n");
+
+ rc = drxk_get_stats(fe);
+ if (rc < 0)
+ return rc;
+
+ *status = state->fe_status;
+
+ return 0;
+}
+
+static int drxk_read_signal_strength(struct dvb_frontend *fe,
+ u16 *strength)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+ dprintk(1, "\n");
+
+ if (state->m_drxk_state == DRXK_NO_DEV)
+ return -ENODEV;
+ if (state->m_drxk_state == DRXK_UNINITIALIZED)
+ return -EAGAIN;
+
+ *strength = c->strength.stat[0].uvalue;
+ return 0;
+}
+
+static int drxk_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ s32 snr2;
+
+ dprintk(1, "\n");
+
+ if (state->m_drxk_state == DRXK_NO_DEV)
+ return -ENODEV;
+ if (state->m_drxk_state == DRXK_UNINITIALIZED)
+ return -EAGAIN;
+
+ get_signal_to_noise(state, &snr2);
+
+ /* No negative SNR, clip to zero */
+ if (snr2 < 0)
+ snr2 = 0;
+ *snr = snr2 & 0xffff;
+ return 0;
+}
+
+static int drxk_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ u16 err;
+
+ dprintk(1, "\n");
+
+ if (state->m_drxk_state == DRXK_NO_DEV)
+ return -ENODEV;
+ if (state->m_drxk_state == DRXK_UNINITIALIZED)
+ return -EAGAIN;
+
+ dvbtqam_get_acc_pkt_err(state, &err);
+ *ucblocks = (u32) err;
+ return 0;
+}
+
+static int drxk_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *sets)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+
+ dprintk(1, "\n");
+
+ if (state->m_drxk_state == DRXK_NO_DEV)
+ return -ENODEV;
+ if (state->m_drxk_state == DRXK_UNINITIALIZED)
+ return -EAGAIN;
+
+ switch (p->delivery_system) {
+ case SYS_DVBC_ANNEX_A:
+ case SYS_DVBC_ANNEX_C:
+ case SYS_DVBT:
+ sets->min_delay_ms = 3000;
+ sets->max_drift = 0;
+ sets->step_size = 0;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static struct dvb_frontend_ops drxk_ops = {
+ /* .delsys will be filled dynamically */
+ .info = {
+ .name = "DRXK",
+ .frequency_min = 47000000,
+ .frequency_max = 865000000,
+ /* For DVB-C */
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000,
+ /* For DVB-T */
+ .frequency_stepsize = 166667,
+
+ .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_FEC_AUTO |
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_MUTE_TS |
+ FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER |
+ FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO
+ },
+
+ .release = drxk_release,
+ .sleep = drxk_sleep,
+ .i2c_gate_ctrl = drxk_gate_ctrl,
+
+ .set_frontend = drxk_set_parameters,
+ .get_tune_settings = drxk_get_tune_settings,
+
+ .read_status = drxk_read_status,
+ .read_signal_strength = drxk_read_signal_strength,
+ .read_snr = drxk_read_snr,
+ .read_ucblocks = drxk_read_ucblocks,
+};
+
+struct dvb_frontend *drxk_attach(const struct drxk_config *config,
+ struct i2c_adapter *i2c)
+{
+ struct dtv_frontend_properties *p;
+ struct drxk_state *state = NULL;
+ u8 adr = config->adr;
+ int status;
+
+ dprintk(1, "\n");
+ state = kzalloc(sizeof(struct drxk_state), GFP_KERNEL);
+ if (!state)
+ return NULL;
+
+ state->i2c = i2c;
+ state->demod_address = adr;
+ state->single_master = config->single_master;
+ state->microcode_name = config->microcode_name;
+ state->qam_demod_parameter_count = config->qam_demod_parameter_count;
+ state->no_i2c_bridge = config->no_i2c_bridge;
+ state->antenna_gpio = config->antenna_gpio;
+ state->antenna_dvbt = config->antenna_dvbt;
+ state->m_chunk_size = config->chunk_size;
+ state->enable_merr_cfg = config->enable_merr_cfg;
+
+ if (config->dynamic_clk) {
+ state->m_dvbt_static_clk = false;
+ state->m_dvbc_static_clk = false;
+ } else {
+ state->m_dvbt_static_clk = true;
+ state->m_dvbc_static_clk = true;
+ }
+
+
+ if (config->mpeg_out_clk_strength)
+ state->m_ts_clockk_strength = config->mpeg_out_clk_strength & 0x07;
+ else
+ state->m_ts_clockk_strength = 0x06;
+
+ if (config->parallel_ts)
+ state->m_enable_parallel = true;
+ else
+ state->m_enable_parallel = false;
+
+ /* NOTE: as more UIO bits will be used, add them to the mask */
+ state->uio_mask = config->antenna_gpio;
+
+ /* Default gpio to DVB-C */
+ if (!state->antenna_dvbt && state->antenna_gpio)
+ state->m_gpio |= state->antenna_gpio;
+ else
+ state->m_gpio &= ~state->antenna_gpio;
+
+ mutex_init(&state->mutex);
+
+ memcpy(&state->frontend.ops, &drxk_ops, sizeof(drxk_ops));
+ state->frontend.demodulator_priv = state;
+
+ init_state(state);
+
+ /* Load firmware and initialize DRX-K */
+ if (state->microcode_name) {
+ const struct firmware *fw = NULL;
+
+ status = reject_firmware(&fw, state->microcode_name,
+ state->i2c->dev.parent);
+ if (status < 0)
+ fw = NULL;
+ load_firmware_cb(fw, state);
+ } else if (init_drxk(state) < 0)
+ goto error;
+
+
+ /* Initialize stats */
+ p = &state->frontend.dtv_property_cache;
+ p->strength.len = 1;
+ p->cnr.len = 1;
+ p->block_error.len = 1;
+ p->block_count.len = 1;
+ p->pre_bit_error.len = 1;
+ p->pre_bit_count.len = 1;
+ p->post_bit_error.len = 1;
+ p->post_bit_count.len = 1;
+
+ p->strength.stat[0].scale = FE_SCALE_RELATIVE;
+ p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ pr_info("frontend initialized.\n");
+ return &state->frontend;
+
+error:
+ pr_err("not found\n");
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(drxk_attach);
+
+MODULE_DESCRIPTION("DRX-K driver");
+MODULE_AUTHOR("Ralph Metzler");
+MODULE_LICENSE("GPL");