diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/af9035.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/af9035.c | 2085 |
1 files changed, 2085 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c new file mode 100644 index 000000000..e9954f902 --- /dev/null +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -0,0 +1,2085 @@ +/* + * Afatech AF9035 DVB USB driver + * + * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> + * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + */ + +#include "af9035.h" + +/* Max transfer size done by I2C transfer functions */ +#define MAX_XFER_SIZE 64 + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +static u16 af9035_checksum(const u8 *buf, size_t len) +{ + size_t i; + u16 checksum = 0; + + for (i = 1; i < len; i++) { + if (i % 2) + checksum += buf[i] << 8; + else + checksum += buf[i]; + } + checksum = ~checksum; + + return checksum; +} + +static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req) +{ +#define REQ_HDR_LEN 4 /* send header size */ +#define ACK_HDR_LEN 3 /* rece header size */ +#define CHECKSUM_LEN 2 +#define USB_TIMEOUT 2000 + struct state *state = d_to_priv(d); + int ret, wlen, rlen; + u16 checksum, tmp_checksum; + + mutex_lock(&d->usb_mutex); + + /* buffer overflow check */ + if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) || + req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) { + dev_err(&d->udev->dev, "%s: too much data wlen=%d rlen=%d\n", + KBUILD_MODNAME, req->wlen, req->rlen); + ret = -EINVAL; + goto exit; + } + + state->buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1; + state->buf[1] = req->mbox; + state->buf[2] = req->cmd; + state->buf[3] = state->seq++; + memcpy(&state->buf[REQ_HDR_LEN], req->wbuf, req->wlen); + + wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN; + rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN; + + /* calc and add checksum */ + checksum = af9035_checksum(state->buf, state->buf[0] - 1); + state->buf[state->buf[0] - 1] = (checksum >> 8); + state->buf[state->buf[0] - 0] = (checksum & 0xff); + + /* no ack for these packets */ + if (req->cmd == CMD_FW_DL) + rlen = 0; + + ret = dvb_usbv2_generic_rw_locked(d, + state->buf, wlen, state->buf, rlen); + if (ret) + goto exit; + + /* no ack for those packets */ + if (req->cmd == CMD_FW_DL) + goto exit; + + /* verify checksum */ + checksum = af9035_checksum(state->buf, rlen - 2); + tmp_checksum = (state->buf[rlen - 2] << 8) | state->buf[rlen - 1]; + if (tmp_checksum != checksum) { + dev_err(&d->udev->dev, + "%s: command=%02x checksum mismatch (%04x != %04x)\n", + KBUILD_MODNAME, req->cmd, tmp_checksum, + checksum); + ret = -EIO; + goto exit; + } + + /* check status */ + if (state->buf[2]) { + /* fw returns status 1 when IR code was not received */ + if (req->cmd == CMD_IR_GET || state->buf[2] == 1) { + ret = 1; + goto exit; + } + + dev_dbg(&d->udev->dev, "%s: command=%02x failed fw error=%d\n", + __func__, req->cmd, state->buf[2]); + ret = -EIO; + goto exit; + } + + /* read request, copy returned data to return buf */ + if (req->rlen) + memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen); +exit: + mutex_unlock(&d->usb_mutex); + if (ret < 0) + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +/* write multiple registers */ +static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) +{ + u8 wbuf[MAX_XFER_SIZE]; + u8 mbox = (reg >> 16) & 0xff; + struct usb_req req = { CMD_MEM_WR, mbox, 6 + len, wbuf, 0, NULL }; + + if (6 + len > sizeof(wbuf)) { + dev_warn(&d->udev->dev, "%s: i2c wr: len=%d is too big!\n", + KBUILD_MODNAME, len); + return -EOPNOTSUPP; + } + + wbuf[0] = len; + wbuf[1] = 2; + wbuf[2] = 0; + wbuf[3] = 0; + wbuf[4] = (reg >> 8) & 0xff; + wbuf[5] = (reg >> 0) & 0xff; + memcpy(&wbuf[6], val, len); + + return af9035_ctrl_msg(d, &req); +} + +/* read multiple registers */ +static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) +{ + u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff }; + u8 mbox = (reg >> 16) & 0xff; + struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val }; + + return af9035_ctrl_msg(d, &req); +} + +/* write single register */ +static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val) +{ + return af9035_wr_regs(d, reg, &val, 1); +} + +/* read single register */ +static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val) +{ + return af9035_rd_regs(d, reg, val, 1); +} + +/* write single register with mask */ +static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val, + u8 mask) +{ + int ret; + u8 tmp; + + /* no need for read if whole reg is written */ + if (mask != 0xff) { + ret = af9035_rd_regs(d, reg, &tmp, 1); + if (ret) + return ret; + + val &= mask; + tmp &= ~mask; + val |= tmp; + } + + return af9035_wr_regs(d, reg, &val, 1); +} + +static int af9035_add_i2c_dev(struct dvb_usb_device *d, const char *type, + u8 addr, void *platform_data, struct i2c_adapter *adapter) +{ + int ret, num; + struct state *state = d_to_priv(d); + struct i2c_client *client; + struct i2c_board_info board_info = { + .addr = addr, + .platform_data = platform_data, + }; + + strlcpy(board_info.type, type, I2C_NAME_SIZE); + + /* find first free client */ + for (num = 0; num < AF9035_I2C_CLIENT_MAX; num++) { + if (state->i2c_client[num] == NULL) + break; + } + + dev_dbg(&d->udev->dev, "%s: num=%d\n", __func__, num); + + if (num == AF9035_I2C_CLIENT_MAX) { + dev_err(&d->udev->dev, "%s: I2C client out of index\n", + KBUILD_MODNAME); + ret = -ENODEV; + goto err; + } + + request_module("%s", board_info.type); + + /* register I2C device */ + client = i2c_new_device(adapter, &board_info); + if (client == NULL || client->dev.driver == NULL) { + ret = -ENODEV; + goto err; + } + + /* increase I2C driver usage count */ + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + ret = -ENODEV; + goto err; + } + + state->i2c_client[num] = client; + return 0; +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static void af9035_del_i2c_dev(struct dvb_usb_device *d) +{ + int num; + struct state *state = d_to_priv(d); + struct i2c_client *client; + + /* find last used client */ + num = AF9035_I2C_CLIENT_MAX; + while (num--) { + if (state->i2c_client[num] != NULL) + break; + } + + dev_dbg(&d->udev->dev, "%s: num=%d\n", __func__, num); + + if (num == -1) { + dev_err(&d->udev->dev, "%s: I2C client out of index\n", + KBUILD_MODNAME); + goto err; + } + + client = state->i2c_client[num]; + + /* decrease I2C driver usage count */ + module_put(client->dev.driver->owner); + + /* unregister I2C device */ + i2c_unregister_device(client); + + state->i2c_client[num] = NULL; + return; +err: + dev_dbg(&d->udev->dev, "%s: failed\n", __func__); +} + +static int af9035_i2c_master_xfer(struct i2c_adapter *adap, + struct i2c_msg msg[], int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + struct state *state = d_to_priv(d); + int ret; + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + /* + * AF9035 I2C sub header is 5 bytes long. Meaning of those bytes are: + * 0: data len + * 1: I2C addr << 1 + * 2: reg addr len + * byte 3 and 4 can be used as reg addr + * 3: reg addr MSB + * used when reg addr len is set to 2 + * 4: reg addr LSB + * used when reg addr len is set to 1 or 2 + * + * For the simplify we do not use register addr at all. + * NOTE: As a firmware knows tuner type there is very small possibility + * there could be some tuner I2C hacks done by firmware and this may + * lead problems if firmware expects those bytes are used. + * + * TODO: Here is few hacks. AF9035 chip integrates AF9033 demodulator. + * IT9135 chip integrates AF9033 demodulator and RF tuner. For dual + * tuner devices, there is also external AF9033 demodulator connected + * via external I2C bus. All AF9033 demod I2C traffic, both single and + * dual tuner configuration, is covered by firmware - actual USB IO + * looks just like a memory access. + * In case of IT913x chip, there is own tuner driver. It is implemented + * currently as a I2C driver, even tuner IP block is likely build + * directly into the demodulator memory space and there is no own I2C + * bus. I2C subsystem does not allow register multiple devices to same + * bus, having same slave address. Due to that we reuse demod address, + * shifted by one bit, on that case. + * + * For IT930x we use a different command and the sub header is + * different as well: + * 0: data len + * 1: I2C bus (0x03 seems to be only value used) + * 2: I2C addr << 1 + */ +#define AF9035_IS_I2C_XFER_WRITE_READ(_msg, _num) \ + (_num == 2 && !(_msg[0].flags & I2C_M_RD) && (_msg[1].flags & I2C_M_RD)) +#define AF9035_IS_I2C_XFER_WRITE(_msg, _num) \ + (_num == 1 && !(_msg[0].flags & I2C_M_RD)) +#define AF9035_IS_I2C_XFER_READ(_msg, _num) \ + (_num == 1 && (_msg[0].flags & I2C_M_RD)) + + if (AF9035_IS_I2C_XFER_WRITE_READ(msg, num)) { + if (msg[0].len > 40 || msg[1].len > 40) { + /* TODO: correct limits > 40 */ + ret = -EOPNOTSUPP; + } else if ((msg[0].addr == state->af9033_i2c_addr[0]) || + (msg[0].addr == state->af9033_i2c_addr[1]) || + (state->chip_type == 0x9135)) { + /* demod access via firmware interface */ + u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | + msg[0].buf[2]; + + if (msg[0].addr == state->af9033_i2c_addr[1] || + msg[0].addr == (state->af9033_i2c_addr[1] >> 1)) + reg |= 0x100000; + + ret = af9035_rd_regs(d, reg, &msg[1].buf[0], + msg[1].len); + } else { + /* I2C write + read */ + u8 buf[MAX_XFER_SIZE]; + struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len, + buf, msg[1].len, msg[1].buf }; + + if (state->chip_type == 0x9306) { + req.cmd = CMD_GENERIC_I2C_RD; + req.wlen = 3 + msg[0].len; + } + req.mbox |= ((msg[0].addr & 0x80) >> 3); + + buf[0] = msg[1].len; + if (state->chip_type == 0x9306) { + buf[1] = 0x03; /* I2C bus */ + buf[2] = msg[0].addr << 1; + memcpy(&buf[3], msg[0].buf, msg[0].len); + } else { + buf[1] = msg[0].addr << 1; + buf[2] = 0x00; /* reg addr len */ + buf[3] = 0x00; /* reg addr MSB */ + buf[4] = 0x00; /* reg addr LSB */ + memcpy(&buf[5], msg[0].buf, msg[0].len); + } + ret = af9035_ctrl_msg(d, &req); + } + } else if (AF9035_IS_I2C_XFER_WRITE(msg, num)) { + if (msg[0].len > 40) { + /* TODO: correct limits > 40 */ + ret = -EOPNOTSUPP; + } else if ((msg[0].addr == state->af9033_i2c_addr[0]) || + (msg[0].addr == state->af9033_i2c_addr[1]) || + (state->chip_type == 0x9135)) { + /* demod access via firmware interface */ + u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | + msg[0].buf[2]; + + if (msg[0].addr == state->af9033_i2c_addr[1] || + msg[0].addr == (state->af9033_i2c_addr[1] >> 1)) + reg |= 0x100000; + + ret = af9035_wr_regs(d, reg, &msg[0].buf[3], + msg[0].len - 3); + } else { + /* I2C write */ + u8 buf[MAX_XFER_SIZE]; + struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len, + buf, 0, NULL }; + + if (state->chip_type == 0x9306) { + req.cmd = CMD_GENERIC_I2C_WR; + req.wlen = 3 + msg[0].len; + } + + req.mbox |= ((msg[0].addr & 0x80) >> 3); + buf[0] = msg[0].len; + if (state->chip_type == 0x9306) { + buf[1] = 0x03; /* I2C bus */ + buf[2] = msg[0].addr << 1; + memcpy(&buf[3], msg[0].buf, msg[0].len); + } else { + buf[1] = msg[0].addr << 1; + buf[2] = 0x00; /* reg addr len */ + buf[3] = 0x00; /* reg addr MSB */ + buf[4] = 0x00; /* reg addr LSB */ + memcpy(&buf[5], msg[0].buf, msg[0].len); + } + ret = af9035_ctrl_msg(d, &req); + } + } else if (AF9035_IS_I2C_XFER_READ(msg, num)) { + if (msg[0].len > 40) { + /* TODO: correct limits > 40 */ + ret = -EOPNOTSUPP; + } else { + /* I2C read */ + u8 buf[5]; + struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf), + buf, msg[0].len, msg[0].buf }; + + if (state->chip_type == 0x9306) { + req.cmd = CMD_GENERIC_I2C_RD; + req.wlen = 3; + } + req.mbox |= ((msg[0].addr & 0x80) >> 3); + buf[0] = msg[0].len; + if (state->chip_type == 0x9306) { + buf[1] = 0x03; /* I2C bus */ + buf[2] = msg[0].addr << 1; + } else { + buf[1] = msg[0].addr << 1; + buf[2] = 0x00; /* reg addr len */ + buf[3] = 0x00; /* reg addr MSB */ + buf[4] = 0x00; /* reg addr LSB */ + } + ret = af9035_ctrl_msg(d, &req); + } + } else { + /* + * We support only three kind of I2C transactions: + * 1) 1 x write + 1 x read (repeated start) + * 2) 1 x write + * 3) 1 x read + */ + ret = -EOPNOTSUPP; + } + + mutex_unlock(&d->i2c_mutex); + + if (ret < 0) + return ret; + else + return num; +} + +static u32 af9035_i2c_functionality(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm af9035_i2c_algo = { + .master_xfer = af9035_i2c_master_xfer, + .functionality = af9035_i2c_functionality, +}; + +static int af9035_identify_state(struct dvb_usb_device *d, const char **name) +{ + struct state *state = d_to_priv(d); + int ret; + u8 wbuf[1] = { 1 }; + u8 rbuf[4]; + struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf, + sizeof(rbuf), rbuf }; + + ret = af9035_rd_regs(d, 0x1222, rbuf, 3); + if (ret < 0) + goto err; + + state->chip_version = rbuf[0]; + state->chip_type = rbuf[2] << 8 | rbuf[1] << 0; + + ret = af9035_rd_reg(d, 0x384f, &state->prechip_version); + if (ret < 0) + goto err; + + dev_info(&d->udev->dev, + "%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n", + KBUILD_MODNAME, state->prechip_version, + state->chip_version, state->chip_type); + + if (state->chip_type == 0x9135) { + if (state->chip_version == 0x02) + *name = AF9035_FIRMWARE_IT9135_V2; + else + *name = AF9035_FIRMWARE_IT9135_V1; + state->eeprom_addr = EEPROM_BASE_IT9135; + } else if (state->chip_type == 0x9306) { + *name = AF9035_FIRMWARE_IT9303; + state->eeprom_addr = EEPROM_BASE_IT9135; + } else { + *name = AF9035_FIRMWARE_AF9035; + state->eeprom_addr = EEPROM_BASE_AF9035; + } + + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf); + if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3]) + ret = WARM; + else + ret = COLD; + + return ret; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_download_firmware_old(struct dvb_usb_device *d, + const struct firmware *fw) +{ + int ret, i, j, len; + u8 wbuf[1]; + struct usb_req req = { 0, 0, 0, NULL, 0, NULL }; + struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL }; + u8 hdr_core; + u16 hdr_addr, hdr_data_len, hdr_checksum; + #define MAX_DATA 58 + #define HDR_SIZE 7 + + /* + * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info! + * + * byte 0: MCS 51 core + * There are two inside the AF9035 (1=Link and 2=OFDM) with separate + * address spaces + * byte 1-2: Big endian destination address + * byte 3-4: Big endian number of data bytes following the header + * byte 5-6: Big endian header checksum, apparently ignored by the chip + * Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256) + */ + + for (i = fw->size; i > HDR_SIZE;) { + hdr_core = fw->data[fw->size - i + 0]; + hdr_addr = fw->data[fw->size - i + 1] << 8; + hdr_addr |= fw->data[fw->size - i + 2] << 0; + hdr_data_len = fw->data[fw->size - i + 3] << 8; + hdr_data_len |= fw->data[fw->size - i + 4] << 0; + hdr_checksum = fw->data[fw->size - i + 5] << 8; + hdr_checksum |= fw->data[fw->size - i + 6] << 0; + + dev_dbg(&d->udev->dev, + "%s: core=%d addr=%04x data_len=%d checksum=%04x\n", + __func__, hdr_core, hdr_addr, hdr_data_len, + hdr_checksum); + + if (((hdr_core != 1) && (hdr_core != 2)) || + (hdr_data_len > i)) { + dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__); + break; + } + + /* download begin packet */ + req.cmd = CMD_FW_DL_BEGIN; + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + /* download firmware packet(s) */ + for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) { + len = j; + if (len > MAX_DATA) + len = MAX_DATA; + req_fw_dl.wlen = len; + req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i + + HDR_SIZE + hdr_data_len - j]; + ret = af9035_ctrl_msg(d, &req_fw_dl); + if (ret < 0) + goto err; + } + + /* download end packet */ + req.cmd = CMD_FW_DL_END; + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + i -= hdr_data_len + HDR_SIZE; + + dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n", + __func__, fw->size - i); + } + + /* print warn if firmware is bad, continue and see what happens */ + if (i) + dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME); + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_download_firmware_new(struct dvb_usb_device *d, + const struct firmware *fw) +{ + int ret, i, i_prev; + struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL }; + #define HDR_SIZE 7 + + /* + * There seems to be following firmware header. Meaning of bytes 0-3 + * is unknown. + * + * 0: 3 + * 1: 0, 1 + * 2: 0 + * 3: 1, 2, 3 + * 4: addr MSB + * 5: addr LSB + * 6: count of data bytes ? + */ + for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) { + if (i == fw->size || + (fw->data[i + 0] == 0x03 && + (fw->data[i + 1] == 0x00 || + fw->data[i + 1] == 0x01) && + fw->data[i + 2] == 0x00)) { + req_fw_dl.wlen = i - i_prev; + req_fw_dl.wbuf = (u8 *) &fw->data[i_prev]; + i_prev = i; + ret = af9035_ctrl_msg(d, &req_fw_dl); + if (ret < 0) + goto err; + + dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n", + __func__, i); + } + } + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_download_firmware(struct dvb_usb_device *d, + const struct firmware *fw) +{ + struct state *state = d_to_priv(d); + int ret; + u8 wbuf[1]; + u8 rbuf[4]; + u8 tmp; + struct usb_req req = { 0, 0, 0, NULL, 0, NULL }; + struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf }; + + dev_dbg(&d->udev->dev, "%s:\n", __func__); + + /* + * In case of dual tuner configuration we need to do some extra + * initialization in order to download firmware to slave demod too, + * which is done by master demod. + * Master feeds also clock and controls power via GPIO. + */ + ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp); + if (ret < 0) + goto err; + + if (tmp == 1 || tmp == 3) { + /* configure gpioh1, reset & power slave demod */ + ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01); + if (ret < 0) + goto err; + + usleep_range(10000, 50000); + + ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01); + if (ret < 0) + goto err; + + /* tell the slave I2C address */ + ret = af9035_rd_reg(d, + state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR, + &tmp); + if (ret < 0) + goto err; + + /* use default I2C address if eeprom has no address set */ + if (!tmp) + tmp = 0x3a; + + if ((state->chip_type == 0x9135) || + (state->chip_type == 0x9306)) { + ret = af9035_wr_reg(d, 0x004bfb, tmp); + if (ret < 0) + goto err; + } else { + ret = af9035_wr_reg(d, 0x00417f, tmp); + if (ret < 0) + goto err; + + /* enable clock out */ + ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01); + if (ret < 0) + goto err; + } + } + + if (fw->data[0] == 0x01) + ret = af9035_download_firmware_old(d, fw); + else + ret = af9035_download_firmware_new(d, fw); + if (ret < 0) + goto err; + + /* firmware loaded, request boot */ + req.cmd = CMD_FW_BOOT; + ret = af9035_ctrl_msg(d, &req); + if (ret < 0) + goto err; + + /* ensure firmware starts */ + wbuf[0] = 1; + ret = af9035_ctrl_msg(d, &req_fw_ver); + if (ret < 0) + goto err; + + if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) { + dev_err(&d->udev->dev, "%s: firmware did not run\n", + KBUILD_MODNAME); + ret = -ENODEV; + goto err; + } + + dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d", + KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]); + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_read_config(struct dvb_usb_device *d) +{ + struct state *state = d_to_priv(d); + int ret, i; + u8 tmp; + u16 tmp16, addr; + + /* demod I2C "address" */ + state->af9033_i2c_addr[0] = 0x38; + state->af9033_i2c_addr[1] = 0x3a; + state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; + state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; + state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB; + state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL; + + if (state->chip_type == 0x9135) { + /* feed clock for integrated RF tuner */ + state->af9033_config[0].dyn0_clk = true; + state->af9033_config[1].dyn0_clk = true; + + if (state->chip_version == 0x02) { + state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60; + state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60; + tmp16 = 0x00461d; /* eeprom memory mapped location */ + } else { + state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38; + state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38; + tmp16 = 0x00461b; /* eeprom memory mapped location */ + } + + /* check if eeprom exists */ + ret = af9035_rd_reg(d, tmp16, &tmp); + if (ret < 0) + goto err; + + if (tmp == 0x00) { + dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__); + goto skip_eeprom; + } + } else if (state->chip_type == 0x9306) { + /* + * IT930x is an USB bridge, only single demod-single tuner + * configurations seen so far. + */ + return 0; + } + + + + /* check if there is dual tuners */ + ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp); + if (ret < 0) + goto err; + + if (tmp == 1 || tmp == 3) + state->dual_mode = true; + + dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__, + tmp, state->dual_mode); + + if (state->dual_mode) { + /* read 2nd demodulator I2C address */ + ret = af9035_rd_reg(d, + state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR, + &tmp); + if (ret < 0) + goto err; + + if (tmp) + state->af9033_i2c_addr[1] = tmp; + + dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n", + __func__, tmp); + } + + addr = state->eeprom_addr; + + for (i = 0; i < state->dual_mode + 1; i++) { + /* tuner */ + ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp); + if (ret < 0) + goto err; + + dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n", + __func__, i, tmp); + + /* tuner sanity check */ + if (state->chip_type == 0x9135) { + if (state->chip_version == 0x02) { + /* IT9135 BX (v2) */ + switch (tmp) { + case AF9033_TUNER_IT9135_60: + case AF9033_TUNER_IT9135_61: + case AF9033_TUNER_IT9135_62: + state->af9033_config[i].tuner = tmp; + break; + } + } else { + /* IT9135 AX (v1) */ + switch (tmp) { + case AF9033_TUNER_IT9135_38: + case AF9033_TUNER_IT9135_51: + case AF9033_TUNER_IT9135_52: + state->af9033_config[i].tuner = tmp; + break; + } + } + } else { + /* AF9035 */ + state->af9033_config[i].tuner = tmp; + } + + if (state->af9033_config[i].tuner != tmp) { + dev_info(&d->udev->dev, + "%s: [%d] overriding tuner from %02x to %02x\n", + KBUILD_MODNAME, i, tmp, + state->af9033_config[i].tuner); + } + + switch (state->af9033_config[i].tuner) { + case AF9033_TUNER_TUA9001: + case AF9033_TUNER_FC0011: + case AF9033_TUNER_MXL5007T: + case AF9033_TUNER_TDA18218: + case AF9033_TUNER_FC2580: + case AF9033_TUNER_FC0012: + state->af9033_config[i].spec_inv = 1; + break; + case AF9033_TUNER_IT9135_38: + case AF9033_TUNER_IT9135_51: + case AF9033_TUNER_IT9135_52: + case AF9033_TUNER_IT9135_60: + case AF9033_TUNER_IT9135_61: + case AF9033_TUNER_IT9135_62: + break; + default: + dev_warn(&d->udev->dev, + "%s: tuner id=%02x not supported, please report!", + KBUILD_MODNAME, tmp); + } + + /* disable dual mode if driver does not support it */ + if (i == 1) + switch (state->af9033_config[i].tuner) { + case AF9033_TUNER_FC0012: + case AF9033_TUNER_IT9135_38: + case AF9033_TUNER_IT9135_51: + case AF9033_TUNER_IT9135_52: + case AF9033_TUNER_IT9135_60: + case AF9033_TUNER_IT9135_61: + case AF9033_TUNER_IT9135_62: + case AF9033_TUNER_MXL5007T: + break; + default: + state->dual_mode = false; + dev_info(&d->udev->dev, + "%s: driver does not support 2nd tuner and will disable it", + KBUILD_MODNAME); + } + + /* tuner IF frequency */ + ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp); + if (ret < 0) + goto err; + + tmp16 = tmp; + + ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp); + if (ret < 0) + goto err; + + tmp16 |= tmp << 8; + + dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16); + + addr += 0x10; /* shift for the 2nd tuner params */ + } + +skip_eeprom: + /* get demod clock */ + ret = af9035_rd_reg(d, 0x00d800, &tmp); + if (ret < 0) + goto err; + + tmp = (tmp >> 0) & 0x0f; + + for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) { + if (state->chip_type == 0x9135) + state->af9033_config[i].clock = clock_lut_it9135[tmp]; + else + state->af9033_config[i].clock = clock_lut_af9035[tmp]; + } + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d, + int cmd, int arg) +{ + int ret; + u8 val; + + dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg); + + /* + * CEN always enabled by hardware wiring + * RESETN GPIOT3 + * RXEN GPIOT2 + */ + + switch (cmd) { + case TUA9001_CMD_RESETN: + if (arg) + val = 0x00; + else + val = 0x01; + + ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01); + if (ret < 0) + goto err; + break; + case TUA9001_CMD_RXEN: + if (arg) + val = 0x01; + else + val = 0x00; + + ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01); + if (ret < 0) + goto err; + break; + } + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + + +static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d, + int cmd, int arg) +{ + int ret; + + switch (cmd) { + case FC0011_FE_CALLBACK_POWER: + /* Tuner enable */ + ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1); + if (ret < 0) + goto err; + + /* LED */ + ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1); + if (ret < 0) + goto err; + + usleep_range(10000, 50000); + break; + case FC0011_FE_CALLBACK_RESET: + ret = af9035_wr_reg(d, 0xd8e9, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0xd8e8, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0xd8e7, 1); + if (ret < 0) + goto err; + + usleep_range(10000, 20000); + + ret = af9035_wr_reg(d, 0xd8e7, 0); + if (ret < 0) + goto err; + + usleep_range(10000, 20000); + break; + default: + ret = -EINVAL; + goto err; + } + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) +{ + struct state *state = d_to_priv(d); + + switch (state->af9033_config[0].tuner) { + case AF9033_TUNER_FC0011: + return af9035_fc0011_tuner_callback(d, cmd, arg); + case AF9033_TUNER_TUA9001: + return af9035_tua9001_tuner_callback(d, cmd, arg); + default: + break; + } + + return 0; +} + +static int af9035_frontend_callback(void *adapter_priv, int component, + int cmd, int arg) +{ + struct i2c_adapter *adap = adapter_priv; + struct dvb_usb_device *d = i2c_get_adapdata(adap); + + dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n", + __func__, component, cmd, arg); + + switch (component) { + case DVB_FRONTEND_COMPONENT_TUNER: + return af9035_tuner_callback(d, cmd, arg); + default: + break; + } + + return 0; +} + +static int af9035_get_adapter_count(struct dvb_usb_device *d) +{ + struct state *state = d_to_priv(d); + + return state->dual_mode + 1; +} + +static int af9035_frontend_attach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + int ret; + + dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id); + + if (!state->af9033_config[adap->id].tuner) { + /* unsupported tuner */ + ret = -ENODEV; + goto err; + } + + state->af9033_config[adap->id].fe = &adap->fe[0]; + state->af9033_config[adap->id].ops = &state->ops; + ret = af9035_add_i2c_dev(d, "af9033", state->af9033_i2c_addr[adap->id], + &state->af9033_config[adap->id], &d->i2c_adap); + if (ret) + goto err; + + if (adap->fe[0] == NULL) { + ret = -ENODEV; + goto err; + } + + /* disable I2C-gate */ + adap->fe[0]->ops.i2c_gate_ctrl = NULL; + adap->fe[0]->callback = af9035_frontend_callback; + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int it930x_frontend_attach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + int ret; + struct si2168_config si2168_config; + struct i2c_adapter *adapter; + + dev_dbg(&d->udev->dev, "adap->id=%d\n", adap->id); + + memset(&si2168_config, 0, sizeof(si2168_config)); + si2168_config.i2c_adapter = &adapter; + si2168_config.fe = &adap->fe[0]; + si2168_config.ts_mode = SI2168_TS_SERIAL; + + state->af9033_config[adap->id].fe = &adap->fe[0]; + state->af9033_config[adap->id].ops = &state->ops; + ret = af9035_add_i2c_dev(d, "si2168", 0x67, &si2168_config, + &d->i2c_adap); + if (ret) + goto err; + + if (adap->fe[0] == NULL) { + ret = -ENODEV; + goto err; + } + state->i2c_adapter_demod = adapter; + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_frontend_detach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + int demod2; + + dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id); + + /* + * For dual tuner devices we have to resolve 2nd demod client, as there + * is two different kind of tuner drivers; one is using I2C binding + * and the other is using DVB attach/detach binding. + */ + switch (state->af9033_config[adap->id].tuner) { + case AF9033_TUNER_IT9135_38: + case AF9033_TUNER_IT9135_51: + case AF9033_TUNER_IT9135_52: + case AF9033_TUNER_IT9135_60: + case AF9033_TUNER_IT9135_61: + case AF9033_TUNER_IT9135_62: + demod2 = 2; + break; + default: + demod2 = 1; + } + + if (adap->id == 1) { + if (state->i2c_client[demod2]) + af9035_del_i2c_dev(d); + } else if (adap->id == 0) { + if (state->i2c_client[0]) + af9035_del_i2c_dev(d); + } + + return 0; +} + +static struct tua9001_config af9035_tua9001_config = { + .i2c_addr = 0x60, +}; + +static const struct fc0011_config af9035_fc0011_config = { + .i2c_address = 0x60, +}; + +static struct mxl5007t_config af9035_mxl5007t_config[] = { + { + .xtal_freq_hz = MxL_XTAL_24_MHZ, + .if_freq_hz = MxL_IF_4_57_MHZ, + .invert_if = 0, + .loop_thru_enable = 0, + .clk_out_enable = 0, + .clk_out_amp = MxL_CLKOUT_AMP_0_94V, + }, { + .xtal_freq_hz = MxL_XTAL_24_MHZ, + .if_freq_hz = MxL_IF_4_57_MHZ, + .invert_if = 0, + .loop_thru_enable = 1, + .clk_out_enable = 1, + .clk_out_amp = MxL_CLKOUT_AMP_0_94V, + } +}; + +static struct tda18218_config af9035_tda18218_config = { + .i2c_address = 0x60, + .i2c_wr_max = 21, +}; + +static const struct fc2580_config af9035_fc2580_config = { + .i2c_addr = 0x56, + .clock = 16384000, +}; + +static const struct fc0012_config af9035_fc0012_config[] = { + { + .i2c_address = 0x63, + .xtal_freq = FC_XTAL_36_MHZ, + .dual_master = true, + .loop_through = true, + .clock_out = true, + }, { + .i2c_address = 0x63 | 0x80, /* I2C bus select hack */ + .xtal_freq = FC_XTAL_36_MHZ, + .dual_master = true, + } +}; + +static int af9035_tuner_attach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + int ret; + struct dvb_frontend *fe; + struct i2c_msg msg[1]; + u8 tuner_addr; + + dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id); + + /* + * XXX: Hack used in that function: we abuse unused I2C address bit [7] + * to carry info about used I2C bus for dual tuner configuration. + */ + + switch (state->af9033_config[adap->id].tuner) { + case AF9033_TUNER_TUA9001: + /* AF9035 gpiot3 = TUA9001 RESETN + AF9035 gpiot2 = TUA9001 RXEN */ + + /* configure gpiot2 and gpiot2 as output */ + ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01); + if (ret < 0) + goto err; + + /* attach tuner */ + fe = dvb_attach(tua9001_attach, adap->fe[0], + &d->i2c_adap, &af9035_tua9001_config); + break; + case AF9033_TUNER_FC0011: + fe = dvb_attach(fc0011_attach, adap->fe[0], + &d->i2c_adap, &af9035_fc0011_config); + break; + case AF9033_TUNER_MXL5007T: + if (adap->id == 0) { + ret = af9035_wr_reg(d, 0x00d8e0, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0x00d8e1, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0x00d8df, 0); + if (ret < 0) + goto err; + + msleep(30); + + ret = af9035_wr_reg(d, 0x00d8df, 1); + if (ret < 0) + goto err; + + msleep(300); + + ret = af9035_wr_reg(d, 0x00d8c0, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0x00d8c1, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0x00d8bf, 0); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0x00d8b4, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0x00d8b5, 1); + if (ret < 0) + goto err; + + ret = af9035_wr_reg(d, 0x00d8b3, 1); + if (ret < 0) + goto err; + + tuner_addr = 0x60; + } else { + tuner_addr = 0x60 | 0x80; /* I2C bus hack */ + } + + /* attach tuner */ + fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap, + tuner_addr, &af9035_mxl5007t_config[adap->id]); + break; + case AF9033_TUNER_TDA18218: + /* attach tuner */ + fe = dvb_attach(tda18218_attach, adap->fe[0], + &d->i2c_adap, &af9035_tda18218_config); + break; + case AF9033_TUNER_FC2580: + /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */ + ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01); + if (ret < 0) + goto err; + + usleep_range(10000, 50000); + /* attach tuner */ + fe = dvb_attach(fc2580_attach, adap->fe[0], + &d->i2c_adap, &af9035_fc2580_config); + break; + case AF9033_TUNER_FC0012: + /* + * AF9035 gpiot2 = FC0012 enable + * XXX: there seems to be something on gpioh8 too, but on my + * my test I didn't find any difference. + */ + + if (adap->id == 0) { + /* configure gpiot2 as output and high */ + ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01); + if (ret < 0) + goto err; + } else { + /* + * FIXME: That belongs for the FC0012 driver. + * Write 02 to FC0012 master tuner register 0d directly + * in order to make slave tuner working. + */ + msg[0].addr = 0x63; + msg[0].flags = 0; + msg[0].len = 2; + msg[0].buf = "\x0d\x02"; + ret = i2c_transfer(&d->i2c_adap, msg, 1); + if (ret < 0) + goto err; + } + + usleep_range(10000, 50000); + + fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap, + &af9035_fc0012_config[adap->id]); + break; + case AF9033_TUNER_IT9135_38: + case AF9033_TUNER_IT9135_51: + case AF9033_TUNER_IT9135_52: + { + struct it913x_config it913x_config = { + .fe = adap->fe[0], + .chip_ver = 1, + }; + + if (state->dual_mode) { + if (adap->id == 0) + it913x_config.role = IT913X_ROLE_DUAL_MASTER; + else + it913x_config.role = IT913X_ROLE_DUAL_SLAVE; + } + + ret = af9035_add_i2c_dev(d, "it913x", + state->af9033_i2c_addr[adap->id] >> 1, + &it913x_config, &d->i2c_adap); + if (ret) + goto err; + + fe = adap->fe[0]; + break; + } + case AF9033_TUNER_IT9135_60: + case AF9033_TUNER_IT9135_61: + case AF9033_TUNER_IT9135_62: + { + struct it913x_config it913x_config = { + .fe = adap->fe[0], + .chip_ver = 2, + }; + + if (state->dual_mode) { + if (adap->id == 0) + it913x_config.role = IT913X_ROLE_DUAL_MASTER; + else + it913x_config.role = IT913X_ROLE_DUAL_SLAVE; + } + + ret = af9035_add_i2c_dev(d, "it913x", + state->af9033_i2c_addr[adap->id] >> 1, + &it913x_config, &d->i2c_adap); + if (ret) + goto err; + + fe = adap->fe[0]; + break; + } + default: + fe = NULL; + } + + if (fe == NULL) { + ret = -ENODEV; + goto err; + } + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int it930x_tuner_attach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + int ret; + struct si2157_config si2157_config; + + dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id); + + /* I2C master bus 2 clock speed 300k */ + ret = af9035_wr_reg(d, 0x00f6a7, 0x07); + if (ret < 0) + goto err; + + /* I2C master bus 1,3 clock speed 300k */ + ret = af9035_wr_reg(d, 0x00f103, 0x07); + if (ret < 0) + goto err; + + /* set gpio11 low */ + ret = af9035_wr_reg_mask(d, 0xd8d4, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8d5, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8d3, 0x01, 0x01); + if (ret < 0) + goto err; + + /* Tuner enable using gpiot2_en, gpiot2_on and gpiot2_o (reset) */ + ret = af9035_wr_reg_mask(d, 0xd8b8, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8b9, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8b7, 0x00, 0x01); + if (ret < 0) + goto err; + + msleep(200); + + ret = af9035_wr_reg_mask(d, 0xd8b7, 0x01, 0x01); + if (ret < 0) + goto err; + + memset(&si2157_config, 0, sizeof(si2157_config)); + si2157_config.fe = adap->fe[0]; + ret = af9035_add_i2c_dev(d, "si2157", 0x63, + &si2157_config, state->i2c_adapter_demod); + + if (ret) + goto err; + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + + +static int it930x_tuner_detach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + + dev_dbg(&d->udev->dev, "adap->id=%d\n", adap->id); + + if (adap->id == 1) { + if (state->i2c_client[3]) + af9035_del_i2c_dev(d); + } else if (adap->id == 0) { + if (state->i2c_client[1]) + af9035_del_i2c_dev(d); + } + + return 0; +} + + +static int af9035_tuner_detach(struct dvb_usb_adapter *adap) +{ + struct state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + + dev_dbg(&d->udev->dev, "%s: adap->id=%d\n", __func__, adap->id); + + switch (state->af9033_config[adap->id].tuner) { + case AF9033_TUNER_IT9135_38: + case AF9033_TUNER_IT9135_51: + case AF9033_TUNER_IT9135_52: + case AF9033_TUNER_IT9135_60: + case AF9033_TUNER_IT9135_61: + case AF9033_TUNER_IT9135_62: + if (adap->id == 1) { + if (state->i2c_client[3]) + af9035_del_i2c_dev(d); + } else if (adap->id == 0) { + if (state->i2c_client[1]) + af9035_del_i2c_dev(d); + } + } + + return 0; +} + +static int af9035_init(struct dvb_usb_device *d) +{ + struct state *state = d_to_priv(d); + int ret, i; + u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4; + u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4; + struct reg_val_mask tab[] = { + { 0x80f99d, 0x01, 0x01 }, + { 0x80f9a4, 0x01, 0x01 }, + { 0x00dd11, 0x00, 0x20 }, + { 0x00dd11, 0x00, 0x40 }, + { 0x00dd13, 0x00, 0x20 }, + { 0x00dd13, 0x00, 0x40 }, + { 0x00dd11, 0x20, 0x20 }, + { 0x00dd88, (frame_size >> 0) & 0xff, 0xff}, + { 0x00dd89, (frame_size >> 8) & 0xff, 0xff}, + { 0x00dd0c, packet_size, 0xff}, + { 0x00dd11, state->dual_mode << 6, 0x40 }, + { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff}, + { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff}, + { 0x00dd0d, packet_size, 0xff }, + { 0x80f9a3, state->dual_mode, 0x01 }, + { 0x80f9cd, state->dual_mode, 0x01 }, + { 0x80f99d, 0x00, 0x01 }, + { 0x80f9a4, 0x00, 0x01 }, + }; + + dev_dbg(&d->udev->dev, + "%s: USB speed=%d frame_size=%04x packet_size=%02x\n", + __func__, d->udev->speed, frame_size, packet_size); + + /* init endpoints */ + for (i = 0; i < ARRAY_SIZE(tab); i++) { + ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val, + tab[i].mask); + if (ret < 0) + goto err; + } + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int it930x_init(struct dvb_usb_device *d) +{ + struct state *state = d_to_priv(d); + int ret, i; + u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 816) * 188 / 4; + u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4; + struct reg_val_mask tab[] = { + { 0x00da1a, 0x00, 0x01 }, /* ignore_sync_byte */ + { 0x00f41f, 0x04, 0x04 }, /* dvbt_inten */ + { 0x00da10, 0x00, 0x01 }, /* mpeg_full_speed */ + { 0x00f41a, 0x01, 0x01 }, /* dvbt_en */ + { 0x00da1d, 0x01, 0x01 }, /* mp2_sw_rst, reset EP4 */ + { 0x00dd11, 0x00, 0x20 }, /* ep4_tx_en, disable EP4 */ + { 0x00dd13, 0x00, 0x20 }, /* ep4_tx_nak, disable EP4 NAK */ + { 0x00dd11, 0x20, 0x20 }, /* ep4_tx_en, enable EP4 */ + { 0x00dd11, 0x00, 0x40 }, /* ep5_tx_en, disable EP5 */ + { 0x00dd13, 0x00, 0x40 }, /* ep5_tx_nak, disable EP5 NAK */ + { 0x00dd11, state->dual_mode << 6, 0x40 }, /* enable EP5 */ + { 0x00dd88, (frame_size >> 0) & 0xff, 0xff}, + { 0x00dd89, (frame_size >> 8) & 0xff, 0xff}, + { 0x00dd0c, packet_size, 0xff}, + { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff}, + { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff}, + { 0x00dd0d, packet_size, 0xff }, + { 0x00da1d, 0x00, 0x01 }, /* mp2_sw_rst, disable */ + { 0x00d833, 0x01, 0xff }, /* slew rate ctrl: slew rate boosts */ + { 0x00d830, 0x00, 0xff }, /* Bit 0 of output driving control */ + { 0x00d831, 0x01, 0xff }, /* Bit 1 of output driving control */ + { 0x00d832, 0x00, 0xff }, /* Bit 2 of output driving control */ + + /* suspend gpio1 for TS-C */ + { 0x00d8b0, 0x01, 0xff }, /* gpio1 */ + { 0x00d8b1, 0x01, 0xff }, /* gpio1 */ + { 0x00d8af, 0x00, 0xff }, /* gpio1 */ + + /* suspend gpio7 for TS-D */ + { 0x00d8c4, 0x01, 0xff }, /* gpio7 */ + { 0x00d8c5, 0x01, 0xff }, /* gpio7 */ + { 0x00d8c3, 0x00, 0xff }, /* gpio7 */ + + /* suspend gpio13 for TS-B */ + { 0x00d8dc, 0x01, 0xff }, /* gpio13 */ + { 0x00d8dd, 0x01, 0xff }, /* gpio13 */ + { 0x00d8db, 0x00, 0xff }, /* gpio13 */ + + /* suspend gpio14 for TS-E */ + { 0x00d8e4, 0x01, 0xff }, /* gpio14 */ + { 0x00d8e5, 0x01, 0xff }, /* gpio14 */ + { 0x00d8e3, 0x00, 0xff }, /* gpio14 */ + + /* suspend gpio15 for TS-A */ + { 0x00d8e8, 0x01, 0xff }, /* gpio15 */ + { 0x00d8e9, 0x01, 0xff }, /* gpio15 */ + { 0x00d8e7, 0x00, 0xff }, /* gpio15 */ + + { 0x00da58, 0x00, 0x01 }, /* ts_in_src, serial */ + { 0x00da73, 0x01, 0xff }, /* ts0_aggre_mode */ + { 0x00da78, 0x47, 0xff }, /* ts0_sync_byte */ + { 0x00da4c, 0x01, 0xff }, /* ts0_en */ + { 0x00da5a, 0x1f, 0xff }, /* ts_fail_ignore */ + }; + + dev_dbg(&d->udev->dev, + "%s: USB speed=%d frame_size=%04x packet_size=%02x\n", + __func__, d->udev->speed, frame_size, packet_size); + + /* init endpoints */ + for (i = 0; i < ARRAY_SIZE(tab); i++) { + ret = af9035_wr_reg_mask(d, tab[i].reg, + tab[i].val, tab[i].mask); + + if (ret < 0) + goto err; + } + + return 0; +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + + +#if IS_ENABLED(CONFIG_RC_CORE) +static int af9035_rc_query(struct dvb_usb_device *d) +{ + int ret; + u32 key; + u8 buf[4]; + struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf }; + + ret = af9035_ctrl_msg(d, &req); + if (ret == 1) + return 0; + else if (ret < 0) + goto err; + + if ((buf[2] + buf[3]) == 0xff) { + if ((buf[0] + buf[1]) == 0xff) { + /* NEC standard 16bit */ + key = RC_SCANCODE_NEC(buf[0], buf[2]); + } else { + /* NEC extended 24bit */ + key = RC_SCANCODE_NECX(buf[0] << 8 | buf[1], buf[2]); + } + } else { + /* NEC full code 32bit */ + key = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 | + buf[2] << 8 | buf[3]); + } + + dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf); + + rc_keydown(d->rc_dev, RC_TYPE_NEC, key, 0); + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) +{ + struct state *state = d_to_priv(d); + int ret; + u8 tmp; + + ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp); + if (ret < 0) + goto err; + + dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp); + + /* don't activate rc if in HID mode or if not available */ + if (tmp == 5) { + ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE, + &tmp); + if (ret < 0) + goto err; + + dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp); + + switch (tmp) { + case 0: /* NEC */ + default: + rc->allowed_protos = RC_BIT_NEC; + break; + case 1: /* RC6 */ + rc->allowed_protos = RC_BIT_RC6_MCE; + break; + } + + rc->query = af9035_rc_query; + rc->interval = 500; + + /* load empty to enable rc */ + if (!rc->map_name) + rc->map_name = RC_MAP_EMPTY; + } + + return 0; + +err: + dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} +#else + #define af9035_get_rc_config NULL +#endif + +static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type, + struct usb_data_stream_properties *stream) +{ + struct dvb_usb_device *d = fe_to_d(fe); + + dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id); + + if (d->udev->speed == USB_SPEED_FULL) + stream->u.bulk.buffersize = 5 * 188; + + return 0; +} + +static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) +{ + struct state *state = adap_to_priv(adap); + + return state->ops.pid_filter_ctrl(adap->fe[0], onoff); +} + +static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, + int onoff) +{ + struct state *state = adap_to_priv(adap); + + return state->ops.pid_filter(adap->fe[0], index, pid, onoff); +} + +static int af9035_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + char manufacturer[sizeof("Afatech")]; + + memset(manufacturer, 0, sizeof(manufacturer)); + usb_string(udev, udev->descriptor.iManufacturer, + manufacturer, sizeof(manufacturer)); + /* + * There is two devices having same ID but different chipset. One uses + * AF9015 and the other IT9135 chipset. Only difference seen on lsusb + * is iManufacturer string. + * + * idVendor 0x0ccd TerraTec Electronic GmbH + * idProduct 0x0099 + * bcdDevice 2.00 + * iManufacturer 1 Afatech + * iProduct 2 DVB-T 2 + * + * idVendor 0x0ccd TerraTec Electronic GmbH + * idProduct 0x0099 + * bcdDevice 2.00 + * iManufacturer 1 ITE Technologies, Inc. + * iProduct 2 DVB-T TV Stick + */ + if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) && + (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) { + if (!strcmp("Afatech", manufacturer)) { + dev_dbg(&udev->dev, "%s: rejecting device\n", __func__); + return -ENODEV; + } + } + + return dvb_usbv2_probe(intf, id); +} + +/* interface 0 is used by DVB-T receiver and + interface 1 is for remote controller (HID) */ +static const struct dvb_usb_device_properties af9035_props = { + .driver_name = KBUILD_MODNAME, + .owner = THIS_MODULE, + .adapter_nr = adapter_nr, + .size_of_priv = sizeof(struct state), + + .generic_bulk_ctrl_endpoint = 0x02, + .generic_bulk_ctrl_endpoint_response = 0x81, + + .identify_state = af9035_identify_state, + .download_firmware = af9035_download_firmware, + + .i2c_algo = &af9035_i2c_algo, + .read_config = af9035_read_config, + .frontend_attach = af9035_frontend_attach, + .frontend_detach = af9035_frontend_detach, + .tuner_attach = af9035_tuner_attach, + .tuner_detach = af9035_tuner_detach, + .init = af9035_init, + .get_rc_config = af9035_get_rc_config, + .get_stream_config = af9035_get_stream_config, + + .get_adapter_count = af9035_get_adapter_count, + .adapter = { + { + .caps = DVB_USB_ADAP_HAS_PID_FILTER | + DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, + + .pid_filter_count = 32, + .pid_filter_ctrl = af9035_pid_filter_ctrl, + .pid_filter = af9035_pid_filter, + + .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188), + }, { + .caps = DVB_USB_ADAP_HAS_PID_FILTER | + DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, + + .pid_filter_count = 32, + .pid_filter_ctrl = af9035_pid_filter_ctrl, + .pid_filter = af9035_pid_filter, + + .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188), + }, + }, +}; + +static const struct dvb_usb_device_properties it930x_props = { + .driver_name = KBUILD_MODNAME, + .owner = THIS_MODULE, + .adapter_nr = adapter_nr, + .size_of_priv = sizeof(struct state), + + .generic_bulk_ctrl_endpoint = 0x02, + .generic_bulk_ctrl_endpoint_response = 0x81, + + .identify_state = af9035_identify_state, + .download_firmware = af9035_download_firmware, + + .i2c_algo = &af9035_i2c_algo, + .read_config = af9035_read_config, + .frontend_attach = it930x_frontend_attach, + .frontend_detach = af9035_frontend_detach, + .tuner_attach = it930x_tuner_attach, + .tuner_detach = it930x_tuner_detach, + .init = it930x_init, + .get_stream_config = af9035_get_stream_config, + + .get_adapter_count = af9035_get_adapter_count, + .adapter = { + { + .stream = DVB_USB_STREAM_BULK(0x84, 4, 816 * 188), + }, { + .stream = DVB_USB_STREAM_BULK(0x85, 4, 816 * 188), + }, + }, +}; + +static const struct usb_device_id af9035_id_table[] = { + /* AF9035 devices */ + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003, + &af9035_props, "Afatech AF9035 reference design", NULL) }, + { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK, + &af9035_props, "TerraTec Cinergy T Stick", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835, + &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835, + &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867, + &af9035_props, "AVerMedia HD Volar (A867)", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867, + &af9035_props, "AVerMedia HD Volar (A867)", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR, + &af9035_props, "AVerMedia Twinstar (A825)", NULL) }, + { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS, + &af9035_props, "Asus U3100Mini Plus", NULL) }, + { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa, + &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) }, + /* IT9135 devices */ + { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135, + &af9035_props, "ITE 9135 Generic", RC_MAP_IT913X_V1) }, + { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005, + &af9035_props, "ITE 9135(9005) Generic", RC_MAP_IT913X_V2) }, + { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006, + &af9035_props, "ITE 9135(9006) Generic", RC_MAP_IT913X_V1) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_1835, + &af9035_props, "Avermedia A835B(1835)", RC_MAP_IT913X_V2) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_2835, + &af9035_props, "Avermedia A835B(2835)", RC_MAP_IT913X_V2) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_3835, + &af9035_props, "Avermedia A835B(3835)", RC_MAP_IT913X_V2) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_4835, + &af9035_props, "Avermedia A835B(4835)", RC_MAP_IT913X_V2) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_H335, + &af9035_props, "Avermedia H335", RC_MAP_IT913X_V2) }, + { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09, + &af9035_props, "Kworld UB499-2T T09", RC_MAP_IT913X_V1) }, + { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137, + &af9035_props, "Sveon STV22 Dual DVB-T HDTV", + RC_MAP_IT913X_V1) }, + { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CTVDIGDUAL_V2, + &af9035_props, "Digital Dual TV Receiver CTVDIGDUAL_V2", + RC_MAP_IT913X_V1) }, + /* IT930x devices */ + { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9303, + &it930x_props, "ITE 9303 Generic", NULL) }, + /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */ + { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099, + &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", + NULL) }, + { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05, + &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) }, + { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900, + &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) }, + { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_78E, + &af9035_props, "PCTV AndroiDTV (78e)", RC_MAP_IT913X_V1) }, + { DVB_USB_DEVICE(USB_VID_PCTV, USB_PID_PCTV_79E, + &af9035_props, "PCTV microStick (79e)", RC_MAP_IT913X_V2) }, + { } +}; +MODULE_DEVICE_TABLE(usb, af9035_id_table); + +static struct usb_driver af9035_usb_driver = { + .name = KBUILD_MODNAME, + .id_table = af9035_id_table, + .probe = af9035_probe, + .disconnect = dvb_usbv2_disconnect, + .suspend = dvb_usbv2_suspend, + .resume = dvb_usbv2_resume, + .reset_resume = dvb_usbv2_reset_resume, + .no_dynamic_id = 1, + .soft_unbind = 1, +}; + +module_usb_driver(af9035_usb_driver); + +MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); +MODULE_DESCRIPTION("Afatech AF9035 driver"); +MODULE_LICENSE("GPL"); +/*(DEBLOBBED)*/ |