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-rw-r--r--drivers/net/ieee802154/Kconfig10
-rw-r--r--drivers/net/ieee802154/Makefile1
-rw-r--r--drivers/net/ieee802154/at86rf230.c488
-rw-r--r--drivers/net/ieee802154/at86rf230.h220
-rw-r--r--drivers/net/ieee802154/atusb.c762
-rw-r--r--drivers/net/ieee802154/atusb.h84
-rw-r--r--drivers/net/ieee802154/cc2520.c153
-rw-r--r--drivers/net/ieee802154/fakelb.c212
-rw-r--r--drivers/net/ieee802154/mrf24j40.c12
9 files changed, 1552 insertions, 390 deletions
diff --git a/drivers/net/ieee802154/Kconfig b/drivers/net/ieee802154/Kconfig
index 1a3c3e57a..1dd5ab8e5 100644
--- a/drivers/net/ieee802154/Kconfig
+++ b/drivers/net/ieee802154/Kconfig
@@ -53,3 +53,13 @@ config IEEE802154_CC2520
This driver can also be built as a module. To do so, say M here.
the module will be called 'cc2520'.
+
+config IEEE802154_ATUSB
+ tristate "ATUSB transceiver driver"
+ depends on IEEE802154_DRIVERS && MAC802154 && USB
+ ---help---
+ Say Y here to enable the ATUSB IEEE 802.15.4 wireless
+ controller.
+
+ This driver can also be built as a module. To do so say M here.
+ The module will be called 'atusb'.
diff --git a/drivers/net/ieee802154/Makefile b/drivers/net/ieee802154/Makefile
index d77fa4d77..cf1d2a6db 100644
--- a/drivers/net/ieee802154/Makefile
+++ b/drivers/net/ieee802154/Makefile
@@ -2,3 +2,4 @@ obj-$(CONFIG_IEEE802154_FAKELB) += fakelb.o
obj-$(CONFIG_IEEE802154_AT86RF230) += at86rf230.o
obj-$(CONFIG_IEEE802154_MRF24J40) += mrf24j40.o
obj-$(CONFIG_IEEE802154_CC2520) += cc2520.o
+obj-$(CONFIG_IEEE802154_ATUSB) += atusb.o
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 67d00fbc2..f7bd9f3dd 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -35,6 +35,8 @@
#include <net/mac802154.h>
#include <net/cfg802154.h>
+#include "at86rf230.h"
+
struct at86rf230_local;
/* at86rf2xx chip depend data.
* All timings are in us.
@@ -45,12 +47,14 @@ struct at86rf2xx_chip_data {
u16 t_reset_to_off;
u16 t_off_to_aack;
u16 t_off_to_tx_on;
+ u16 t_off_to_sleep;
+ u16 t_sleep_to_off;
u16 t_frame;
u16 t_p_ack;
int rssi_base_val;
int (*set_channel)(struct at86rf230_local *, u8, u8);
- int (*get_desense_steps)(struct at86rf230_local *, s32);
+ int (*set_txpower)(struct at86rf230_local *, s32);
};
#define AT86RF2XX_MAX_BUF (127 + 3)
@@ -86,6 +90,7 @@ struct at86rf230_local {
struct at86rf2xx_chip_data *data;
struct regmap *regmap;
int slp_tr;
+ bool sleep;
struct completion state_complete;
struct at86rf230_state_change state;
@@ -102,200 +107,6 @@ struct at86rf230_local {
struct at86rf230_state_change tx;
};
-#define RG_TRX_STATUS (0x01)
-#define SR_TRX_STATUS 0x01, 0x1f, 0
-#define SR_RESERVED_01_3 0x01, 0x20, 5
-#define SR_CCA_STATUS 0x01, 0x40, 6
-#define SR_CCA_DONE 0x01, 0x80, 7
-#define RG_TRX_STATE (0x02)
-#define SR_TRX_CMD 0x02, 0x1f, 0
-#define SR_TRAC_STATUS 0x02, 0xe0, 5
-#define RG_TRX_CTRL_0 (0x03)
-#define SR_CLKM_CTRL 0x03, 0x07, 0
-#define SR_CLKM_SHA_SEL 0x03, 0x08, 3
-#define SR_PAD_IO_CLKM 0x03, 0x30, 4
-#define SR_PAD_IO 0x03, 0xc0, 6
-#define RG_TRX_CTRL_1 (0x04)
-#define SR_IRQ_POLARITY 0x04, 0x01, 0
-#define SR_IRQ_MASK_MODE 0x04, 0x02, 1
-#define SR_SPI_CMD_MODE 0x04, 0x0c, 2
-#define SR_RX_BL_CTRL 0x04, 0x10, 4
-#define SR_TX_AUTO_CRC_ON 0x04, 0x20, 5
-#define SR_IRQ_2_EXT_EN 0x04, 0x40, 6
-#define SR_PA_EXT_EN 0x04, 0x80, 7
-#define RG_PHY_TX_PWR (0x05)
-#define SR_TX_PWR 0x05, 0x0f, 0
-#define SR_PA_LT 0x05, 0x30, 4
-#define SR_PA_BUF_LT 0x05, 0xc0, 6
-#define RG_PHY_RSSI (0x06)
-#define SR_RSSI 0x06, 0x1f, 0
-#define SR_RND_VALUE 0x06, 0x60, 5
-#define SR_RX_CRC_VALID 0x06, 0x80, 7
-#define RG_PHY_ED_LEVEL (0x07)
-#define SR_ED_LEVEL 0x07, 0xff, 0
-#define RG_PHY_CC_CCA (0x08)
-#define SR_CHANNEL 0x08, 0x1f, 0
-#define SR_CCA_MODE 0x08, 0x60, 5
-#define SR_CCA_REQUEST 0x08, 0x80, 7
-#define RG_CCA_THRES (0x09)
-#define SR_CCA_ED_THRES 0x09, 0x0f, 0
-#define SR_RESERVED_09_1 0x09, 0xf0, 4
-#define RG_RX_CTRL (0x0a)
-#define SR_PDT_THRES 0x0a, 0x0f, 0
-#define SR_RESERVED_0a_1 0x0a, 0xf0, 4
-#define RG_SFD_VALUE (0x0b)
-#define SR_SFD_VALUE 0x0b, 0xff, 0
-#define RG_TRX_CTRL_2 (0x0c)
-#define SR_OQPSK_DATA_RATE 0x0c, 0x03, 0
-#define SR_SUB_MODE 0x0c, 0x04, 2
-#define SR_BPSK_QPSK 0x0c, 0x08, 3
-#define SR_OQPSK_SUB1_RC_EN 0x0c, 0x10, 4
-#define SR_RESERVED_0c_5 0x0c, 0x60, 5
-#define SR_RX_SAFE_MODE 0x0c, 0x80, 7
-#define RG_ANT_DIV (0x0d)
-#define SR_ANT_CTRL 0x0d, 0x03, 0
-#define SR_ANT_EXT_SW_EN 0x0d, 0x04, 2
-#define SR_ANT_DIV_EN 0x0d, 0x08, 3
-#define SR_RESERVED_0d_2 0x0d, 0x70, 4
-#define SR_ANT_SEL 0x0d, 0x80, 7
-#define RG_IRQ_MASK (0x0e)
-#define SR_IRQ_MASK 0x0e, 0xff, 0
-#define RG_IRQ_STATUS (0x0f)
-#define SR_IRQ_0_PLL_LOCK 0x0f, 0x01, 0
-#define SR_IRQ_1_PLL_UNLOCK 0x0f, 0x02, 1
-#define SR_IRQ_2_RX_START 0x0f, 0x04, 2
-#define SR_IRQ_3_TRX_END 0x0f, 0x08, 3
-#define SR_IRQ_4_CCA_ED_DONE 0x0f, 0x10, 4
-#define SR_IRQ_5_AMI 0x0f, 0x20, 5
-#define SR_IRQ_6_TRX_UR 0x0f, 0x40, 6
-#define SR_IRQ_7_BAT_LOW 0x0f, 0x80, 7
-#define RG_VREG_CTRL (0x10)
-#define SR_RESERVED_10_6 0x10, 0x03, 0
-#define SR_DVDD_OK 0x10, 0x04, 2
-#define SR_DVREG_EXT 0x10, 0x08, 3
-#define SR_RESERVED_10_3 0x10, 0x30, 4
-#define SR_AVDD_OK 0x10, 0x40, 6
-#define SR_AVREG_EXT 0x10, 0x80, 7
-#define RG_BATMON (0x11)
-#define SR_BATMON_VTH 0x11, 0x0f, 0
-#define SR_BATMON_HR 0x11, 0x10, 4
-#define SR_BATMON_OK 0x11, 0x20, 5
-#define SR_RESERVED_11_1 0x11, 0xc0, 6
-#define RG_XOSC_CTRL (0x12)
-#define SR_XTAL_TRIM 0x12, 0x0f, 0
-#define SR_XTAL_MODE 0x12, 0xf0, 4
-#define RG_RX_SYN (0x15)
-#define SR_RX_PDT_LEVEL 0x15, 0x0f, 0
-#define SR_RESERVED_15_2 0x15, 0x70, 4
-#define SR_RX_PDT_DIS 0x15, 0x80, 7
-#define RG_XAH_CTRL_1 (0x17)
-#define SR_RESERVED_17_8 0x17, 0x01, 0
-#define SR_AACK_PROM_MODE 0x17, 0x02, 1
-#define SR_AACK_ACK_TIME 0x17, 0x04, 2
-#define SR_RESERVED_17_5 0x17, 0x08, 3
-#define SR_AACK_UPLD_RES_FT 0x17, 0x10, 4
-#define SR_AACK_FLTR_RES_FT 0x17, 0x20, 5
-#define SR_CSMA_LBT_MODE 0x17, 0x40, 6
-#define SR_RESERVED_17_1 0x17, 0x80, 7
-#define RG_FTN_CTRL (0x18)
-#define SR_RESERVED_18_2 0x18, 0x7f, 0
-#define SR_FTN_START 0x18, 0x80, 7
-#define RG_PLL_CF (0x1a)
-#define SR_RESERVED_1a_2 0x1a, 0x7f, 0
-#define SR_PLL_CF_START 0x1a, 0x80, 7
-#define RG_PLL_DCU (0x1b)
-#define SR_RESERVED_1b_3 0x1b, 0x3f, 0
-#define SR_RESERVED_1b_2 0x1b, 0x40, 6
-#define SR_PLL_DCU_START 0x1b, 0x80, 7
-#define RG_PART_NUM (0x1c)
-#define SR_PART_NUM 0x1c, 0xff, 0
-#define RG_VERSION_NUM (0x1d)
-#define SR_VERSION_NUM 0x1d, 0xff, 0
-#define RG_MAN_ID_0 (0x1e)
-#define SR_MAN_ID_0 0x1e, 0xff, 0
-#define RG_MAN_ID_1 (0x1f)
-#define SR_MAN_ID_1 0x1f, 0xff, 0
-#define RG_SHORT_ADDR_0 (0x20)
-#define SR_SHORT_ADDR_0 0x20, 0xff, 0
-#define RG_SHORT_ADDR_1 (0x21)
-#define SR_SHORT_ADDR_1 0x21, 0xff, 0
-#define RG_PAN_ID_0 (0x22)
-#define SR_PAN_ID_0 0x22, 0xff, 0
-#define RG_PAN_ID_1 (0x23)
-#define SR_PAN_ID_1 0x23, 0xff, 0
-#define RG_IEEE_ADDR_0 (0x24)
-#define SR_IEEE_ADDR_0 0x24, 0xff, 0
-#define RG_IEEE_ADDR_1 (0x25)
-#define SR_IEEE_ADDR_1 0x25, 0xff, 0
-#define RG_IEEE_ADDR_2 (0x26)
-#define SR_IEEE_ADDR_2 0x26, 0xff, 0
-#define RG_IEEE_ADDR_3 (0x27)
-#define SR_IEEE_ADDR_3 0x27, 0xff, 0
-#define RG_IEEE_ADDR_4 (0x28)
-#define SR_IEEE_ADDR_4 0x28, 0xff, 0
-#define RG_IEEE_ADDR_5 (0x29)
-#define SR_IEEE_ADDR_5 0x29, 0xff, 0
-#define RG_IEEE_ADDR_6 (0x2a)
-#define SR_IEEE_ADDR_6 0x2a, 0xff, 0
-#define RG_IEEE_ADDR_7 (0x2b)
-#define SR_IEEE_ADDR_7 0x2b, 0xff, 0
-#define RG_XAH_CTRL_0 (0x2c)
-#define SR_SLOTTED_OPERATION 0x2c, 0x01, 0
-#define SR_MAX_CSMA_RETRIES 0x2c, 0x0e, 1
-#define SR_MAX_FRAME_RETRIES 0x2c, 0xf0, 4
-#define RG_CSMA_SEED_0 (0x2d)
-#define SR_CSMA_SEED_0 0x2d, 0xff, 0
-#define RG_CSMA_SEED_1 (0x2e)
-#define SR_CSMA_SEED_1 0x2e, 0x07, 0
-#define SR_AACK_I_AM_COORD 0x2e, 0x08, 3
-#define SR_AACK_DIS_ACK 0x2e, 0x10, 4
-#define SR_AACK_SET_PD 0x2e, 0x20, 5
-#define SR_AACK_FVN_MODE 0x2e, 0xc0, 6
-#define RG_CSMA_BE (0x2f)
-#define SR_MIN_BE 0x2f, 0x0f, 0
-#define SR_MAX_BE 0x2f, 0xf0, 4
-
-#define CMD_REG 0x80
-#define CMD_REG_MASK 0x3f
-#define CMD_WRITE 0x40
-#define CMD_FB 0x20
-
-#define IRQ_BAT_LOW (1 << 7)
-#define IRQ_TRX_UR (1 << 6)
-#define IRQ_AMI (1 << 5)
-#define IRQ_CCA_ED (1 << 4)
-#define IRQ_TRX_END (1 << 3)
-#define IRQ_RX_START (1 << 2)
-#define IRQ_PLL_UNL (1 << 1)
-#define IRQ_PLL_LOCK (1 << 0)
-
-#define IRQ_ACTIVE_HIGH 0
-#define IRQ_ACTIVE_LOW 1
-
-#define STATE_P_ON 0x00 /* BUSY */
-#define STATE_BUSY_RX 0x01
-#define STATE_BUSY_TX 0x02
-#define STATE_FORCE_TRX_OFF 0x03
-#define STATE_FORCE_TX_ON 0x04 /* IDLE */
-/* 0x05 */ /* INVALID_PARAMETER */
-#define STATE_RX_ON 0x06
-/* 0x07 */ /* SUCCESS */
-#define STATE_TRX_OFF 0x08
-#define STATE_TX_ON 0x09
-/* 0x0a - 0x0e */ /* 0x0a - UNSUPPORTED_ATTRIBUTE */
-#define STATE_SLEEP 0x0F
-#define STATE_PREP_DEEP_SLEEP 0x10
-#define STATE_BUSY_RX_AACK 0x11
-#define STATE_BUSY_TX_ARET 0x12
-#define STATE_RX_AACK_ON 0x16
-#define STATE_TX_ARET_ON 0x19
-#define STATE_RX_ON_NOCLK 0x1C
-#define STATE_RX_AACK_ON_NOCLK 0x1D
-#define STATE_BUSY_RX_AACK_NOCLK 0x1E
-#define STATE_TRANSITION_IN_PROGRESS 0x1F
-
-#define TRX_STATE_MASK (0x1F)
-
#define AT86RF2XX_NUMREGS 0x3F
static void
@@ -304,18 +115,66 @@ at86rf230_async_state_change(struct at86rf230_local *lp,
const u8 state, void (*complete)(void *context),
const bool irq_enable);
+static inline void
+at86rf230_sleep(struct at86rf230_local *lp)
+{
+ if (gpio_is_valid(lp->slp_tr)) {
+ gpio_set_value(lp->slp_tr, 1);
+ usleep_range(lp->data->t_off_to_sleep,
+ lp->data->t_off_to_sleep + 10);
+ lp->sleep = true;
+ }
+}
+
+static inline void
+at86rf230_awake(struct at86rf230_local *lp)
+{
+ if (gpio_is_valid(lp->slp_tr)) {
+ gpio_set_value(lp->slp_tr, 0);
+ usleep_range(lp->data->t_sleep_to_off,
+ lp->data->t_sleep_to_off + 100);
+ lp->sleep = false;
+ }
+}
+
static inline int
__at86rf230_write(struct at86rf230_local *lp,
unsigned int addr, unsigned int data)
{
- return regmap_write(lp->regmap, addr, data);
+ bool sleep = lp->sleep;
+ int ret;
+
+ /* awake for register setting if sleep */
+ if (sleep)
+ at86rf230_awake(lp);
+
+ ret = regmap_write(lp->regmap, addr, data);
+
+ /* sleep again if was sleeping */
+ if (sleep)
+ at86rf230_sleep(lp);
+
+ return ret;
}
static inline int
__at86rf230_read(struct at86rf230_local *lp,
unsigned int addr, unsigned int *data)
{
- return regmap_read(lp->regmap, addr, data);
+ bool sleep = lp->sleep;
+ int ret;
+
+ /* awake for register setting if sleep */
+ if (sleep)
+ at86rf230_awake(lp);
+
+ ret = regmap_read(lp->regmap, addr, data);
+
+ /* sleep again if was sleeping */
+ if (sleep)
+ at86rf230_sleep(lp);
+
+ return ret;
}
static inline int
@@ -337,7 +196,20 @@ at86rf230_write_subreg(struct at86rf230_local *lp,
unsigned int addr, unsigned int mask,
unsigned int shift, unsigned int data)
{
- return regmap_update_bits(lp->regmap, addr, mask, data << shift);
+ bool sleep = lp->sleep;
+ int ret;
+
+ /* awake for register setting if sleep */
+ if (sleep)
+ at86rf230_awake(lp);
+
+ ret = regmap_update_bits(lp->regmap, addr, mask, data << shift);
+
+ /* sleep again if was sleeping */
+ if (sleep)
+ at86rf230_sleep(lp);
+
+ return ret;
}
static inline void
@@ -1010,7 +882,7 @@ at86rf230_xmit_start(void *context)
if (lp->is_tx_from_off) {
lp->is_tx_from_off = false;
at86rf230_async_state_change(lp, ctx, STATE_TX_ARET_ON,
- at86rf230_xmit_tx_on,
+ at86rf230_write_frame,
false);
} else {
at86rf230_async_state_change(lp, ctx, STATE_TX_ON,
@@ -1061,13 +933,34 @@ at86rf230_ed(struct ieee802154_hw *hw, u8 *level)
static int
at86rf230_start(struct ieee802154_hw *hw)
{
- return at86rf230_sync_state_change(hw->priv, STATE_RX_AACK_ON);
+ struct at86rf230_local *lp = hw->priv;
+
+ at86rf230_awake(lp);
+ enable_irq(lp->spi->irq);
+
+ return at86rf230_sync_state_change(lp, STATE_RX_AACK_ON);
}
static void
at86rf230_stop(struct ieee802154_hw *hw)
{
- at86rf230_sync_state_change(hw->priv, STATE_FORCE_TRX_OFF);
+ struct at86rf230_local *lp = hw->priv;
+ u8 csma_seed[2];
+
+ at86rf230_sync_state_change(lp, STATE_FORCE_TRX_OFF);
+
+ disable_irq(lp->spi->irq);
+
+ /* It's recommended to set random new csma_seeds before sleep state.
+ * Makes only sense in the stop callback, not doing this inside of
+ * at86rf230_sleep, this is also used when we don't transmit afterwards
+ * when calling start callback again.
+ */
+ get_random_bytes(csma_seed, ARRAY_SIZE(csma_seed));
+ at86rf230_write_subreg(lp, SR_CSMA_SEED_0, csma_seed[0]);
+ at86rf230_write_subreg(lp, SR_CSMA_SEED_1, csma_seed[1]);
+
+ at86rf230_sleep(lp);
}
static int
@@ -1076,6 +969,50 @@ at86rf23x_set_channel(struct at86rf230_local *lp, u8 page, u8 channel)
return at86rf230_write_subreg(lp, SR_CHANNEL, channel);
}
+#define AT86RF2XX_MAX_ED_LEVELS 0xF
+static const s32 at86rf23x_ed_levels[AT86RF2XX_MAX_ED_LEVELS + 1] = {
+ -9100, -8900, -8700, -8500, -8300, -8100, -7900, -7700, -7500, -7300,
+ -7100, -6900, -6700, -6500, -6300, -6100,
+};
+
+static const s32 at86rf212_ed_levels_100[AT86RF2XX_MAX_ED_LEVELS + 1] = {
+ -10000, -9800, -9600, -9400, -9200, -9000, -8800, -8600, -8400, -8200,
+ -8000, -7800, -7600, -7400, -7200, -7000,
+};
+
+static const s32 at86rf212_ed_levels_98[AT86RF2XX_MAX_ED_LEVELS + 1] = {
+ -9800, -9600, -9400, -9200, -9000, -8800, -8600, -8400, -8200, -8000,
+ -7800, -7600, -7400, -7200, -7000, -6800,
+};
+
+static inline int
+at86rf212_update_cca_ed_level(struct at86rf230_local *lp, int rssi_base_val)
+{
+ unsigned int cca_ed_thres;
+ int rc;
+
+ rc = at86rf230_read_subreg(lp, SR_CCA_ED_THRES, &cca_ed_thres);
+ if (rc < 0)
+ return rc;
+
+ switch (rssi_base_val) {
+ case -98:
+ lp->hw->phy->supported.cca_ed_levels = at86rf212_ed_levels_98;
+ lp->hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(at86rf212_ed_levels_98);
+ lp->hw->phy->cca_ed_level = at86rf212_ed_levels_98[cca_ed_thres];
+ break;
+ case -100:
+ lp->hw->phy->supported.cca_ed_levels = at86rf212_ed_levels_100;
+ lp->hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(at86rf212_ed_levels_100);
+ lp->hw->phy->cca_ed_level = at86rf212_ed_levels_100[cca_ed_thres];
+ break;
+ default:
+ WARN_ON(1);
+ }
+
+ return 0;
+}
+
static int
at86rf212_set_channel(struct at86rf230_local *lp, u8 page, u8 channel)
{
@@ -1098,6 +1035,10 @@ at86rf212_set_channel(struct at86rf230_local *lp, u8 page, u8 channel)
if (rc < 0)
return rc;
+ rc = at86rf212_update_cca_ed_level(lp, lp->data->rssi_base_val);
+ if (rc < 0)
+ return rc;
+
/* This sets the symbol_duration according frequency on the 212.
* TODO move this handling while set channel and page in cfg802154.
* We can do that, this timings are according 802.15.4 standard.
@@ -1193,23 +1134,56 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
return 0;
}
+#define AT86RF23X_MAX_TX_POWERS 0xF
+static const s32 at86rf233_powers[AT86RF23X_MAX_TX_POWERS + 1] = {
+ 400, 370, 340, 300, 250, 200, 100, 0, -100, -200, -300, -400, -600,
+ -800, -1200, -1700,
+};
+
+static const s32 at86rf231_powers[AT86RF23X_MAX_TX_POWERS + 1] = {
+ 300, 280, 230, 180, 130, 70, 0, -100, -200, -300, -400, -500, -700,
+ -900, -1200, -1700,
+};
+
+#define AT86RF212_MAX_TX_POWERS 0x1F
+static const s32 at86rf212_powers[AT86RF212_MAX_TX_POWERS + 1] = {
+ 500, 400, 300, 200, 100, 0, -100, -200, -300, -400, -500, -600, -700,
+ -800, -900, -1000, -1100, -1200, -1300, -1400, -1500, -1600, -1700,
+ -1800, -1900, -2000, -2100, -2200, -2300, -2400, -2500, -2600,
+};
+
static int
-at86rf230_set_txpower(struct ieee802154_hw *hw, s8 db)
+at86rf23x_set_txpower(struct at86rf230_local *lp, s32 mbm)
{
- struct at86rf230_local *lp = hw->priv;
+ u32 i;
- /* typical maximum output is 5dBm with RG_PHY_TX_PWR 0x60, lower five
- * bits decrease power in 1dB steps. 0x60 represents extra PA gain of
- * 0dB.
- * thus, supported values for db range from -26 to 5, for 31dB of
- * reduction to 0dB of reduction.
- */
- if (db > 5 || db < -26)
- return -EINVAL;
+ for (i = 0; i < lp->hw->phy->supported.tx_powers_size; i++) {
+ if (lp->hw->phy->supported.tx_powers[i] == mbm)
+ return at86rf230_write_subreg(lp, SR_TX_PWR_23X, i);
+ }
+
+ return -EINVAL;
+}
+
+static int
+at86rf212_set_txpower(struct at86rf230_local *lp, s32 mbm)
+{
+ u32 i;
- db = -(db - 5);
+ for (i = 0; i < lp->hw->phy->supported.tx_powers_size; i++) {
+ if (lp->hw->phy->supported.tx_powers[i] == mbm)
+ return at86rf230_write_subreg(lp, SR_TX_PWR_212, i);
+ }
- return __at86rf230_write(lp, RG_PHY_TX_PWR, 0x60 | db);
+ return -EINVAL;
+}
+
+static int
+at86rf230_set_txpower(struct ieee802154_hw *hw, s32 mbm)
+{
+ struct at86rf230_local *lp = hw->priv;
+
+ return lp->data->set_txpower(lp, mbm);
}
static int
@@ -1254,28 +1228,19 @@ at86rf230_set_cca_mode(struct ieee802154_hw *hw,
return at86rf230_write_subreg(lp, SR_CCA_MODE, val);
}
-static int
-at86rf212_get_desens_steps(struct at86rf230_local *lp, s32 level)
-{
- return (level - lp->data->rssi_base_val) * 100 / 207;
-}
-
-static int
-at86rf23x_get_desens_steps(struct at86rf230_local *lp, s32 level)
-{
- return (level - lp->data->rssi_base_val) / 2;
-}
static int
-at86rf230_set_cca_ed_level(struct ieee802154_hw *hw, s32 level)
+at86rf230_set_cca_ed_level(struct ieee802154_hw *hw, s32 mbm)
{
struct at86rf230_local *lp = hw->priv;
+ u32 i;
- if (level < lp->data->rssi_base_val || level > 30)
- return -EINVAL;
+ for (i = 0; i < hw->phy->supported.cca_ed_levels_size; i++) {
+ if (hw->phy->supported.cca_ed_levels[i] == mbm)
+ return at86rf230_write_subreg(lp, SR_CCA_ED_THRES, i);
+ }
- return at86rf230_write_subreg(lp, SR_CCA_ED_THRES,
- lp->data->get_desense_steps(lp, level));
+ return -EINVAL;
}
static int
@@ -1361,11 +1326,13 @@ static struct at86rf2xx_chip_data at86rf233_data = {
.t_reset_to_off = 26,
.t_off_to_aack = 80,
.t_off_to_tx_on = 80,
+ .t_off_to_sleep = 35,
+ .t_sleep_to_off = 210,
.t_frame = 4096,
.t_p_ack = 545,
.rssi_base_val = -91,
.set_channel = at86rf23x_set_channel,
- .get_desense_steps = at86rf23x_get_desens_steps
+ .set_txpower = at86rf23x_set_txpower,
};
static struct at86rf2xx_chip_data at86rf231_data = {
@@ -1374,11 +1341,13 @@ static struct at86rf2xx_chip_data at86rf231_data = {
.t_reset_to_off = 37,
.t_off_to_aack = 110,
.t_off_to_tx_on = 110,
+ .t_off_to_sleep = 35,
+ .t_sleep_to_off = 380,
.t_frame = 4096,
.t_p_ack = 545,
.rssi_base_val = -91,
.set_channel = at86rf23x_set_channel,
- .get_desense_steps = at86rf23x_get_desens_steps
+ .set_txpower = at86rf23x_set_txpower,
};
static struct at86rf2xx_chip_data at86rf212_data = {
@@ -1387,11 +1356,13 @@ static struct at86rf2xx_chip_data at86rf212_data = {
.t_reset_to_off = 26,
.t_off_to_aack = 200,
.t_off_to_tx_on = 200,
+ .t_off_to_sleep = 35,
+ .t_sleep_to_off = 380,
.t_frame = 4096,
.t_p_ack = 545,
.rssi_base_val = -100,
.set_channel = at86rf212_set_channel,
- .get_desense_steps = at86rf212_get_desens_steps
+ .set_txpower = at86rf212_set_txpower,
};
static int at86rf230_hw_init(struct at86rf230_local *lp, u8 xtal_trim)
@@ -1563,9 +1534,22 @@ at86rf230_detect_device(struct at86rf230_local *lp)
return -EINVAL;
}
- lp->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AACK |
- IEEE802154_HW_TXPOWER | IEEE802154_HW_ARET |
- IEEE802154_HW_AFILT | IEEE802154_HW_PROMISCUOUS;
+ lp->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM |
+ IEEE802154_HW_CSMA_PARAMS |
+ IEEE802154_HW_FRAME_RETRIES | IEEE802154_HW_AFILT |
+ IEEE802154_HW_PROMISCUOUS;
+
+ lp->hw->phy->flags = WPAN_PHY_FLAG_TXPOWER |
+ WPAN_PHY_FLAG_CCA_ED_LEVEL |
+ WPAN_PHY_FLAG_CCA_MODE;
+
+ lp->hw->phy->supported.cca_modes = BIT(NL802154_CCA_ENERGY) |
+ BIT(NL802154_CCA_CARRIER) | BIT(NL802154_CCA_ENERGY_CARRIER);
+ lp->hw->phy->supported.cca_opts = BIT(NL802154_CCA_OPT_ENERGY_CARRIER_AND) |
+ BIT(NL802154_CCA_OPT_ENERGY_CARRIER_OR);
+
+ lp->hw->phy->supported.cca_ed_levels = at86rf23x_ed_levels;
+ lp->hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(at86rf23x_ed_levels);
lp->hw->phy->cca.mode = NL802154_CCA_ENERGY;
@@ -1573,36 +1557,49 @@ at86rf230_detect_device(struct at86rf230_local *lp)
case 2:
chip = "at86rf230";
rc = -ENOTSUPP;
- break;
+ goto not_supp;
case 3:
chip = "at86rf231";
lp->data = &at86rf231_data;
- lp->hw->phy->channels_supported[0] = 0x7FFF800;
+ lp->hw->phy->supported.channels[0] = 0x7FFF800;
lp->hw->phy->current_channel = 11;
lp->hw->phy->symbol_duration = 16;
+ lp->hw->phy->supported.tx_powers = at86rf231_powers;
+ lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf231_powers);
break;
case 7:
chip = "at86rf212";
lp->data = &at86rf212_data;
lp->hw->flags |= IEEE802154_HW_LBT;
- lp->hw->phy->channels_supported[0] = 0x00007FF;
- lp->hw->phy->channels_supported[2] = 0x00007FF;
+ lp->hw->phy->supported.channels[0] = 0x00007FF;
+ lp->hw->phy->supported.channels[2] = 0x00007FF;
lp->hw->phy->current_channel = 5;
lp->hw->phy->symbol_duration = 25;
+ lp->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH;
+ lp->hw->phy->supported.tx_powers = at86rf212_powers;
+ lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers);
+ lp->hw->phy->supported.cca_ed_levels = at86rf212_ed_levels_100;
+ lp->hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(at86rf212_ed_levels_100);
break;
case 11:
chip = "at86rf233";
lp->data = &at86rf233_data;
- lp->hw->phy->channels_supported[0] = 0x7FFF800;
+ lp->hw->phy->supported.channels[0] = 0x7FFF800;
lp->hw->phy->current_channel = 13;
lp->hw->phy->symbol_duration = 16;
+ lp->hw->phy->supported.tx_powers = at86rf233_powers;
+ lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf233_powers);
break;
default:
chip = "unknown";
rc = -ENOTSUPP;
- break;
+ goto not_supp;
}
+ lp->hw->phy->cca_ed_level = lp->hw->phy->supported.cca_ed_levels[7];
+ lp->hw->phy->transmit_power = lp->hw->phy->supported.tx_powers[0];
+
+not_supp:
dev_info(&lp->spi->dev, "Detected %s chip version %d\n", chip, version);
return rc;
@@ -1696,7 +1693,6 @@ static int at86rf230_probe(struct spi_device *spi)
lp->spi = spi;
lp->slp_tr = slp_tr;
hw->parent = &spi->dev;
- hw->vif_data_size = sizeof(*lp);
ieee802154_random_extended_addr(&hw->phy->perm_extended_addr);
lp->regmap = devm_regmap_init_spi(spi, &at86rf230_regmap_spi_config);
@@ -1728,13 +1724,19 @@ static int at86rf230_probe(struct spi_device *spi)
irq_type = irq_get_trigger_type(spi->irq);
if (!irq_type)
- irq_type = IRQF_TRIGGER_RISING;
+ irq_type = IRQF_TRIGGER_HIGH;
rc = devm_request_irq(&spi->dev, spi->irq, at86rf230_isr,
IRQF_SHARED | irq_type, dev_name(&spi->dev), lp);
if (rc)
goto free_dev;
+ /* disable_irq by default and wait for starting hardware */
+ disable_irq(spi->irq);
+
+ /* going into sleep by default */
+ at86rf230_sleep(lp);
+
rc = ieee802154_register_hw(lp->hw);
if (rc)
goto free_dev;
diff --git a/drivers/net/ieee802154/at86rf230.h b/drivers/net/ieee802154/at86rf230.h
new file mode 100644
index 000000000..1e6d1cc67
--- /dev/null
+++ b/drivers/net/ieee802154/at86rf230.h
@@ -0,0 +1,220 @@
+/*
+ * AT86RF230/RF231 driver
+ *
+ * Copyright (C) 2009-2012 Siemens AG
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * 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.
+ *
+ * Written by:
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
+ */
+
+#ifndef _AT86RF230_H
+#define _AT86RF230_H
+
+#define RG_TRX_STATUS (0x01)
+#define SR_TRX_STATUS 0x01, 0x1f, 0
+#define SR_RESERVED_01_3 0x01, 0x20, 5
+#define SR_CCA_STATUS 0x01, 0x40, 6
+#define SR_CCA_DONE 0x01, 0x80, 7
+#define RG_TRX_STATE (0x02)
+#define SR_TRX_CMD 0x02, 0x1f, 0
+#define SR_TRAC_STATUS 0x02, 0xe0, 5
+#define RG_TRX_CTRL_0 (0x03)
+#define SR_CLKM_CTRL 0x03, 0x07, 0
+#define SR_CLKM_SHA_SEL 0x03, 0x08, 3
+#define SR_PAD_IO_CLKM 0x03, 0x30, 4
+#define SR_PAD_IO 0x03, 0xc0, 6
+#define RG_TRX_CTRL_1 (0x04)
+#define SR_IRQ_POLARITY 0x04, 0x01, 0
+#define SR_IRQ_MASK_MODE 0x04, 0x02, 1
+#define SR_SPI_CMD_MODE 0x04, 0x0c, 2
+#define SR_RX_BL_CTRL 0x04, 0x10, 4
+#define SR_TX_AUTO_CRC_ON 0x04, 0x20, 5
+#define SR_IRQ_2_EXT_EN 0x04, 0x40, 6
+#define SR_PA_EXT_EN 0x04, 0x80, 7
+#define RG_PHY_TX_PWR (0x05)
+#define SR_TX_PWR_23X 0x05, 0x0f, 0
+#define SR_PA_LT_230 0x05, 0x30, 4
+#define SR_PA_BUF_LT_230 0x05, 0xc0, 6
+#define SR_TX_PWR_212 0x05, 0x1f, 0
+#define SR_GC_PA_212 0x05, 0x60, 5
+#define SR_PA_BOOST_LT_212 0x05, 0x80, 7
+#define RG_PHY_RSSI (0x06)
+#define SR_RSSI 0x06, 0x1f, 0
+#define SR_RND_VALUE 0x06, 0x60, 5
+#define SR_RX_CRC_VALID 0x06, 0x80, 7
+#define RG_PHY_ED_LEVEL (0x07)
+#define SR_ED_LEVEL 0x07, 0xff, 0
+#define RG_PHY_CC_CCA (0x08)
+#define SR_CHANNEL 0x08, 0x1f, 0
+#define SR_CCA_MODE 0x08, 0x60, 5
+#define SR_CCA_REQUEST 0x08, 0x80, 7
+#define RG_CCA_THRES (0x09)
+#define SR_CCA_ED_THRES 0x09, 0x0f, 0
+#define SR_RESERVED_09_1 0x09, 0xf0, 4
+#define RG_RX_CTRL (0x0a)
+#define SR_PDT_THRES 0x0a, 0x0f, 0
+#define SR_RESERVED_0a_1 0x0a, 0xf0, 4
+#define RG_SFD_VALUE (0x0b)
+#define SR_SFD_VALUE 0x0b, 0xff, 0
+#define RG_TRX_CTRL_2 (0x0c)
+#define SR_OQPSK_DATA_RATE 0x0c, 0x03, 0
+#define SR_SUB_MODE 0x0c, 0x04, 2
+#define SR_BPSK_QPSK 0x0c, 0x08, 3
+#define SR_OQPSK_SUB1_RC_EN 0x0c, 0x10, 4
+#define SR_RESERVED_0c_5 0x0c, 0x60, 5
+#define SR_RX_SAFE_MODE 0x0c, 0x80, 7
+#define RG_ANT_DIV (0x0d)
+#define SR_ANT_CTRL 0x0d, 0x03, 0
+#define SR_ANT_EXT_SW_EN 0x0d, 0x04, 2
+#define SR_ANT_DIV_EN 0x0d, 0x08, 3
+#define SR_RESERVED_0d_2 0x0d, 0x70, 4
+#define SR_ANT_SEL 0x0d, 0x80, 7
+#define RG_IRQ_MASK (0x0e)
+#define SR_IRQ_MASK 0x0e, 0xff, 0
+#define RG_IRQ_STATUS (0x0f)
+#define SR_IRQ_0_PLL_LOCK 0x0f, 0x01, 0
+#define SR_IRQ_1_PLL_UNLOCK 0x0f, 0x02, 1
+#define SR_IRQ_2_RX_START 0x0f, 0x04, 2
+#define SR_IRQ_3_TRX_END 0x0f, 0x08, 3
+#define SR_IRQ_4_CCA_ED_DONE 0x0f, 0x10, 4
+#define SR_IRQ_5_AMI 0x0f, 0x20, 5
+#define SR_IRQ_6_TRX_UR 0x0f, 0x40, 6
+#define SR_IRQ_7_BAT_LOW 0x0f, 0x80, 7
+#define RG_VREG_CTRL (0x10)
+#define SR_RESERVED_10_6 0x10, 0x03, 0
+#define SR_DVDD_OK 0x10, 0x04, 2
+#define SR_DVREG_EXT 0x10, 0x08, 3
+#define SR_RESERVED_10_3 0x10, 0x30, 4
+#define SR_AVDD_OK 0x10, 0x40, 6
+#define SR_AVREG_EXT 0x10, 0x80, 7
+#define RG_BATMON (0x11)
+#define SR_BATMON_VTH 0x11, 0x0f, 0
+#define SR_BATMON_HR 0x11, 0x10, 4
+#define SR_BATMON_OK 0x11, 0x20, 5
+#define SR_RESERVED_11_1 0x11, 0xc0, 6
+#define RG_XOSC_CTRL (0x12)
+#define SR_XTAL_TRIM 0x12, 0x0f, 0
+#define SR_XTAL_MODE 0x12, 0xf0, 4
+#define RG_RX_SYN (0x15)
+#define SR_RX_PDT_LEVEL 0x15, 0x0f, 0
+#define SR_RESERVED_15_2 0x15, 0x70, 4
+#define SR_RX_PDT_DIS 0x15, 0x80, 7
+#define RG_XAH_CTRL_1 (0x17)
+#define SR_RESERVED_17_8 0x17, 0x01, 0
+#define SR_AACK_PROM_MODE 0x17, 0x02, 1
+#define SR_AACK_ACK_TIME 0x17, 0x04, 2
+#define SR_RESERVED_17_5 0x17, 0x08, 3
+#define SR_AACK_UPLD_RES_FT 0x17, 0x10, 4
+#define SR_AACK_FLTR_RES_FT 0x17, 0x20, 5
+#define SR_CSMA_LBT_MODE 0x17, 0x40, 6
+#define SR_RESERVED_17_1 0x17, 0x80, 7
+#define RG_FTN_CTRL (0x18)
+#define SR_RESERVED_18_2 0x18, 0x7f, 0
+#define SR_FTN_START 0x18, 0x80, 7
+#define RG_PLL_CF (0x1a)
+#define SR_RESERVED_1a_2 0x1a, 0x7f, 0
+#define SR_PLL_CF_START 0x1a, 0x80, 7
+#define RG_PLL_DCU (0x1b)
+#define SR_RESERVED_1b_3 0x1b, 0x3f, 0
+#define SR_RESERVED_1b_2 0x1b, 0x40, 6
+#define SR_PLL_DCU_START 0x1b, 0x80, 7
+#define RG_PART_NUM (0x1c)
+#define SR_PART_NUM 0x1c, 0xff, 0
+#define RG_VERSION_NUM (0x1d)
+#define SR_VERSION_NUM 0x1d, 0xff, 0
+#define RG_MAN_ID_0 (0x1e)
+#define SR_MAN_ID_0 0x1e, 0xff, 0
+#define RG_MAN_ID_1 (0x1f)
+#define SR_MAN_ID_1 0x1f, 0xff, 0
+#define RG_SHORT_ADDR_0 (0x20)
+#define SR_SHORT_ADDR_0 0x20, 0xff, 0
+#define RG_SHORT_ADDR_1 (0x21)
+#define SR_SHORT_ADDR_1 0x21, 0xff, 0
+#define RG_PAN_ID_0 (0x22)
+#define SR_PAN_ID_0 0x22, 0xff, 0
+#define RG_PAN_ID_1 (0x23)
+#define SR_PAN_ID_1 0x23, 0xff, 0
+#define RG_IEEE_ADDR_0 (0x24)
+#define SR_IEEE_ADDR_0 0x24, 0xff, 0
+#define RG_IEEE_ADDR_1 (0x25)
+#define SR_IEEE_ADDR_1 0x25, 0xff, 0
+#define RG_IEEE_ADDR_2 (0x26)
+#define SR_IEEE_ADDR_2 0x26, 0xff, 0
+#define RG_IEEE_ADDR_3 (0x27)
+#define SR_IEEE_ADDR_3 0x27, 0xff, 0
+#define RG_IEEE_ADDR_4 (0x28)
+#define SR_IEEE_ADDR_4 0x28, 0xff, 0
+#define RG_IEEE_ADDR_5 (0x29)
+#define SR_IEEE_ADDR_5 0x29, 0xff, 0
+#define RG_IEEE_ADDR_6 (0x2a)
+#define SR_IEEE_ADDR_6 0x2a, 0xff, 0
+#define RG_IEEE_ADDR_7 (0x2b)
+#define SR_IEEE_ADDR_7 0x2b, 0xff, 0
+#define RG_XAH_CTRL_0 (0x2c)
+#define SR_SLOTTED_OPERATION 0x2c, 0x01, 0
+#define SR_MAX_CSMA_RETRIES 0x2c, 0x0e, 1
+#define SR_MAX_FRAME_RETRIES 0x2c, 0xf0, 4
+#define RG_CSMA_SEED_0 (0x2d)
+#define SR_CSMA_SEED_0 0x2d, 0xff, 0
+#define RG_CSMA_SEED_1 (0x2e)
+#define SR_CSMA_SEED_1 0x2e, 0x07, 0
+#define SR_AACK_I_AM_COORD 0x2e, 0x08, 3
+#define SR_AACK_DIS_ACK 0x2e, 0x10, 4
+#define SR_AACK_SET_PD 0x2e, 0x20, 5
+#define SR_AACK_FVN_MODE 0x2e, 0xc0, 6
+#define RG_CSMA_BE (0x2f)
+#define SR_MIN_BE 0x2f, 0x0f, 0
+#define SR_MAX_BE 0x2f, 0xf0, 4
+
+#define CMD_REG 0x80
+#define CMD_REG_MASK 0x3f
+#define CMD_WRITE 0x40
+#define CMD_FB 0x20
+
+#define IRQ_BAT_LOW BIT(7)
+#define IRQ_TRX_UR BIT(6)
+#define IRQ_AMI BIT(5)
+#define IRQ_CCA_ED BIT(4)
+#define IRQ_TRX_END BIT(3)
+#define IRQ_RX_START BIT(2)
+#define IRQ_PLL_UNL BIT(1)
+#define IRQ_PLL_LOCK BIT(0)
+
+#define IRQ_ACTIVE_HIGH 0
+#define IRQ_ACTIVE_LOW 1
+
+#define STATE_P_ON 0x00 /* BUSY */
+#define STATE_BUSY_RX 0x01
+#define STATE_BUSY_TX 0x02
+#define STATE_FORCE_TRX_OFF 0x03
+#define STATE_FORCE_TX_ON 0x04 /* IDLE */
+/* 0x05 */ /* INVALID_PARAMETER */
+#define STATE_RX_ON 0x06
+/* 0x07 */ /* SUCCESS */
+#define STATE_TRX_OFF 0x08
+#define STATE_TX_ON 0x09
+/* 0x0a - 0x0e */ /* 0x0a - UNSUPPORTED_ATTRIBUTE */
+#define STATE_SLEEP 0x0F
+#define STATE_PREP_DEEP_SLEEP 0x10
+#define STATE_BUSY_RX_AACK 0x11
+#define STATE_BUSY_TX_ARET 0x12
+#define STATE_RX_AACK_ON 0x16
+#define STATE_TX_ARET_ON 0x19
+#define STATE_RX_ON_NOCLK 0x1C
+#define STATE_RX_AACK_ON_NOCLK 0x1D
+#define STATE_BUSY_RX_AACK_NOCLK 0x1E
+#define STATE_TRANSITION_IN_PROGRESS 0x1F
+
+#define TRX_STATE_MASK (0x1F)
+
+#endif /* !_AT86RF230_H */
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
new file mode 100644
index 000000000..80dfc725b
--- /dev/null
+++ b/drivers/net/ieee802154/atusb.c
@@ -0,0 +1,762 @@
+/*
+ * atusb.c - Driver for the ATUSB IEEE 802.15.4 dongle
+ *
+ * Written 2013 by Werner Almesberger <werner@almesberger.net>
+ *
+ * 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, version 2
+ *
+ * Based on at86rf230.c and spi_atusb.c.
+ * at86rf230.c is
+ * Copyright (C) 2009 Siemens AG
+ * Written by: Dmitry Eremin-Solenikov <dmitry.baryshkov@siemens.com>
+ *
+ * spi_atusb.c is
+ * Copyright (c) 2011 Richard Sharpe <realrichardsharpe@gmail.com>
+ * Copyright (c) 2011 Stefan Schmidt <stefan@datenfreihafen.org>
+ * Copyright (c) 2011 Werner Almesberger <werner@almesberger.net>
+ *
+ * USB initialization is
+ * Copyright (c) 2013 Alexander Aring <alex.aring@gmail.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/usb.h>
+#include <linux/skbuff.h>
+
+#include <net/cfg802154.h>
+#include <net/mac802154.h>
+
+#include "at86rf230.h"
+#include "atusb.h"
+
+#define ATUSB_JEDEC_ATMEL 0x1f /* JEDEC manufacturer ID */
+
+#define ATUSB_NUM_RX_URBS 4 /* allow for a bit of local latency */
+#define ATUSB_ALLOC_DELAY_MS 100 /* delay after failed allocation */
+#define ATUSB_TX_TIMEOUT_MS 200 /* on the air timeout */
+
+struct atusb {
+ struct ieee802154_hw *hw;
+ struct usb_device *usb_dev;
+ int shutdown; /* non-zero if shutting down */
+ int err; /* set by first error */
+
+ /* RX variables */
+ struct delayed_work work; /* memory allocations */
+ struct usb_anchor idle_urbs; /* URBs waiting to be submitted */
+ struct usb_anchor rx_urbs; /* URBs waiting for reception */
+
+ /* TX variables */
+ struct usb_ctrlrequest tx_dr;
+ struct urb *tx_urb;
+ struct sk_buff *tx_skb;
+ uint8_t tx_ack_seq; /* current TX ACK sequence number */
+};
+
+/* ----- USB commands without data ----------------------------------------- */
+
+/* To reduce the number of error checks in the code, we record the first error
+ * in atusb->err and reject all subsequent requests until the error is cleared.
+ */
+
+static int atusb_control_msg(struct atusb *atusb, unsigned int pipe,
+ __u8 request, __u8 requesttype,
+ __u16 value, __u16 index,
+ void *data, __u16 size, int timeout)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+ int ret;
+
+ if (atusb->err)
+ return atusb->err;
+
+ ret = usb_control_msg(usb_dev, pipe, request, requesttype,
+ value, index, data, size, timeout);
+ if (ret < 0) {
+ atusb->err = ret;
+ dev_err(&usb_dev->dev,
+ "atusb_control_msg: req 0x%02x val 0x%x idx 0x%x, error %d\n",
+ request, value, index, ret);
+ }
+ return ret;
+}
+
+static int atusb_command(struct atusb *atusb, uint8_t cmd, uint8_t arg)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+
+ dev_dbg(&usb_dev->dev, "atusb_command: cmd = 0x%x\n", cmd);
+ return atusb_control_msg(atusb, usb_sndctrlpipe(usb_dev, 0),
+ cmd, ATUSB_REQ_TO_DEV, arg, 0, NULL, 0, 1000);
+}
+
+static int atusb_write_reg(struct atusb *atusb, uint8_t reg, uint8_t value)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+
+ dev_dbg(&usb_dev->dev, "atusb_write_reg: 0x%02x <- 0x%02x\n",
+ reg, value);
+ return atusb_control_msg(atusb, usb_sndctrlpipe(usb_dev, 0),
+ ATUSB_REG_WRITE, ATUSB_REQ_TO_DEV,
+ value, reg, NULL, 0, 1000);
+}
+
+static int atusb_read_reg(struct atusb *atusb, uint8_t reg)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+ int ret;
+ uint8_t value;
+
+ dev_dbg(&usb_dev->dev, "atusb: reg = 0x%x\n", reg);
+ ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
+ ATUSB_REG_READ, ATUSB_REQ_FROM_DEV,
+ 0, reg, &value, 1, 1000);
+ return ret >= 0 ? value : ret;
+}
+
+static int atusb_write_subreg(struct atusb *atusb, uint8_t reg, uint8_t mask,
+ uint8_t shift, uint8_t value)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+ uint8_t orig, tmp;
+ int ret = 0;
+
+ dev_dbg(&usb_dev->dev, "atusb_write_subreg: 0x%02x <- 0x%02x\n",
+ reg, value);
+
+ orig = atusb_read_reg(atusb, reg);
+
+ /* Write the value only into that part of the register which is allowed
+ * by the mask. All other bits stay as before.
+ */
+ tmp = orig & ~mask;
+ tmp |= (value << shift) & mask;
+
+ if (tmp != orig)
+ ret = atusb_write_reg(atusb, reg, tmp);
+
+ return ret;
+}
+
+static int atusb_get_and_clear_error(struct atusb *atusb)
+{
+ int err = atusb->err;
+
+ atusb->err = 0;
+ return err;
+}
+
+/* ----- skb allocation ---------------------------------------------------- */
+
+#define MAX_PSDU 127
+#define MAX_RX_XFER (1 + MAX_PSDU + 2 + 1) /* PHR+PSDU+CRC+LQI */
+
+#define SKB_ATUSB(skb) (*(struct atusb **)(skb)->cb)
+
+static void atusb_in(struct urb *urb);
+
+static int atusb_submit_rx_urb(struct atusb *atusb, struct urb *urb)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+ struct sk_buff *skb = urb->context;
+ int ret;
+
+ if (!skb) {
+ skb = alloc_skb(MAX_RX_XFER, GFP_KERNEL);
+ if (!skb) {
+ dev_warn_ratelimited(&usb_dev->dev,
+ "atusb_in: can't allocate skb\n");
+ return -ENOMEM;
+ }
+ skb_put(skb, MAX_RX_XFER);
+ SKB_ATUSB(skb) = atusb;
+ }
+
+ usb_fill_bulk_urb(urb, usb_dev, usb_rcvbulkpipe(usb_dev, 1),
+ skb->data, MAX_RX_XFER, atusb_in, skb);
+ usb_anchor_urb(urb, &atusb->rx_urbs);
+
+ ret = usb_submit_urb(urb, GFP_KERNEL);
+ if (ret) {
+ usb_unanchor_urb(urb);
+ kfree_skb(skb);
+ urb->context = NULL;
+ }
+ return ret;
+}
+
+static void atusb_work_urbs(struct work_struct *work)
+{
+ struct atusb *atusb =
+ container_of(to_delayed_work(work), struct atusb, work);
+ struct usb_device *usb_dev = atusb->usb_dev;
+ struct urb *urb;
+ int ret;
+
+ if (atusb->shutdown)
+ return;
+
+ do {
+ urb = usb_get_from_anchor(&atusb->idle_urbs);
+ if (!urb)
+ return;
+ ret = atusb_submit_rx_urb(atusb, urb);
+ } while (!ret);
+
+ usb_anchor_urb(urb, &atusb->idle_urbs);
+ dev_warn_ratelimited(&usb_dev->dev,
+ "atusb_in: can't allocate/submit URB (%d)\n", ret);
+ schedule_delayed_work(&atusb->work,
+ msecs_to_jiffies(ATUSB_ALLOC_DELAY_MS) + 1);
+}
+
+/* ----- Asynchronous USB -------------------------------------------------- */
+
+static void atusb_tx_done(struct atusb *atusb, uint8_t seq)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+ uint8_t expect = atusb->tx_ack_seq;
+
+ dev_dbg(&usb_dev->dev, "atusb_tx_done (0x%02x/0x%02x)\n", seq, expect);
+ if (seq == expect) {
+ /* TODO check for ifs handling in firmware */
+ ieee802154_xmit_complete(atusb->hw, atusb->tx_skb, false);
+ } else {
+ /* TODO I experience this case when atusb has a tx complete
+ * irq before probing, we should fix the firmware it's an
+ * unlikely case now that seq == expect is then true, but can
+ * happen and fail with a tx_skb = NULL;
+ */
+ ieee802154_wake_queue(atusb->hw);
+ if (atusb->tx_skb)
+ dev_kfree_skb_irq(atusb->tx_skb);
+ }
+}
+
+static void atusb_in_good(struct urb *urb)
+{
+ struct usb_device *usb_dev = urb->dev;
+ struct sk_buff *skb = urb->context;
+ struct atusb *atusb = SKB_ATUSB(skb);
+ uint8_t len, lqi;
+
+ if (!urb->actual_length) {
+ dev_dbg(&usb_dev->dev, "atusb_in: zero-sized URB ?\n");
+ return;
+ }
+
+ len = *skb->data;
+
+ if (urb->actual_length == 1) {
+ atusb_tx_done(atusb, len);
+ return;
+ }
+
+ if (len + 1 > urb->actual_length - 1) {
+ dev_dbg(&usb_dev->dev, "atusb_in: frame len %d+1 > URB %u-1\n",
+ len, urb->actual_length);
+ return;
+ }
+
+ if (!ieee802154_is_valid_psdu_len(len)) {
+ dev_dbg(&usb_dev->dev, "atusb_in: frame corrupted\n");
+ return;
+ }
+
+ lqi = skb->data[len + 1];
+ dev_dbg(&usb_dev->dev, "atusb_in: rx len %d lqi 0x%02x\n", len, lqi);
+ skb_pull(skb, 1); /* remove PHR */
+ skb_trim(skb, len); /* get payload only */
+ ieee802154_rx_irqsafe(atusb->hw, skb, lqi);
+ urb->context = NULL; /* skb is gone */
+}
+
+static void atusb_in(struct urb *urb)
+{
+ struct usb_device *usb_dev = urb->dev;
+ struct sk_buff *skb = urb->context;
+ struct atusb *atusb = SKB_ATUSB(skb);
+
+ dev_dbg(&usb_dev->dev, "atusb_in: status %d len %d\n",
+ urb->status, urb->actual_length);
+ if (urb->status) {
+ if (urb->status == -ENOENT) { /* being killed */
+ kfree_skb(skb);
+ urb->context = NULL;
+ return;
+ }
+ dev_dbg(&usb_dev->dev, "atusb_in: URB error %d\n", urb->status);
+ } else {
+ atusb_in_good(urb);
+ }
+
+ usb_anchor_urb(urb, &atusb->idle_urbs);
+ if (!atusb->shutdown)
+ schedule_delayed_work(&atusb->work, 0);
+}
+
+/* ----- URB allocation/deallocation --------------------------------------- */
+
+static void atusb_free_urbs(struct atusb *atusb)
+{
+ struct urb *urb;
+
+ while (1) {
+ urb = usb_get_from_anchor(&atusb->idle_urbs);
+ if (!urb)
+ break;
+ if (urb->context)
+ kfree_skb(urb->context);
+ usb_free_urb(urb);
+ }
+}
+
+static int atusb_alloc_urbs(struct atusb *atusb, int n)
+{
+ struct urb *urb;
+
+ while (n) {
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb) {
+ atusb_free_urbs(atusb);
+ return -ENOMEM;
+ }
+ usb_anchor_urb(urb, &atusb->idle_urbs);
+ n--;
+ }
+ return 0;
+}
+
+/* ----- IEEE 802.15.4 interface operations -------------------------------- */
+
+static void atusb_xmit_complete(struct urb *urb)
+{
+ dev_dbg(&urb->dev->dev, "atusb_xmit urb completed");
+}
+
+static int atusb_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
+{
+ struct atusb *atusb = hw->priv;
+ struct usb_device *usb_dev = atusb->usb_dev;
+ int ret;
+
+ dev_dbg(&usb_dev->dev, "atusb_xmit (%d)\n", skb->len);
+ atusb->tx_skb = skb;
+ atusb->tx_ack_seq++;
+ atusb->tx_dr.wIndex = cpu_to_le16(atusb->tx_ack_seq);
+ atusb->tx_dr.wLength = cpu_to_le16(skb->len);
+
+ usb_fill_control_urb(atusb->tx_urb, usb_dev,
+ usb_sndctrlpipe(usb_dev, 0),
+ (unsigned char *)&atusb->tx_dr, skb->data,
+ skb->len, atusb_xmit_complete, NULL);
+ ret = usb_submit_urb(atusb->tx_urb, GFP_ATOMIC);
+ dev_dbg(&usb_dev->dev, "atusb_xmit done (%d)\n", ret);
+ return ret;
+}
+
+static int atusb_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
+{
+ struct atusb *atusb = hw->priv;
+ int ret;
+
+ /* This implicitly sets the CCA (Clear Channel Assessment) mode to 0,
+ * "Mode 3a, Carrier sense OR energy above threshold".
+ * We should probably make this configurable. @@@
+ */
+ ret = atusb_write_reg(atusb, RG_PHY_CC_CCA, channel);
+ if (ret < 0)
+ return ret;
+ msleep(1); /* @@@ ugly synchronization */
+ return 0;
+}
+
+static int atusb_ed(struct ieee802154_hw *hw, u8 *level)
+{
+ BUG_ON(!level);
+ *level = 0xbe;
+ return 0;
+}
+
+static int atusb_set_hw_addr_filt(struct ieee802154_hw *hw,
+ struct ieee802154_hw_addr_filt *filt,
+ unsigned long changed)
+{
+ struct atusb *atusb = hw->priv;
+ struct device *dev = &atusb->usb_dev->dev;
+
+ if (changed & IEEE802154_AFILT_SADDR_CHANGED) {
+ u16 addr = le16_to_cpu(filt->short_addr);
+
+ dev_vdbg(dev, "atusb_set_hw_addr_filt called for saddr\n");
+ atusb_write_reg(atusb, RG_SHORT_ADDR_0, addr);
+ atusb_write_reg(atusb, RG_SHORT_ADDR_1, addr >> 8);
+ }
+
+ if (changed & IEEE802154_AFILT_PANID_CHANGED) {
+ u16 pan = le16_to_cpu(filt->pan_id);
+
+ dev_vdbg(dev, "atusb_set_hw_addr_filt called for pan id\n");
+ atusb_write_reg(atusb, RG_PAN_ID_0, pan);
+ atusb_write_reg(atusb, RG_PAN_ID_1, pan >> 8);
+ }
+
+ if (changed & IEEE802154_AFILT_IEEEADDR_CHANGED) {
+ u8 i, addr[IEEE802154_EXTENDED_ADDR_LEN];
+
+ memcpy(addr, &filt->ieee_addr, IEEE802154_EXTENDED_ADDR_LEN);
+ dev_vdbg(dev, "atusb_set_hw_addr_filt called for IEEE addr\n");
+ for (i = 0; i < 8; i++)
+ atusb_write_reg(atusb, RG_IEEE_ADDR_0 + i, addr[i]);
+ }
+
+ if (changed & IEEE802154_AFILT_PANC_CHANGED) {
+ dev_vdbg(dev,
+ "atusb_set_hw_addr_filt called for panc change\n");
+ if (filt->pan_coord)
+ atusb_write_subreg(atusb, SR_AACK_I_AM_COORD, 1);
+ else
+ atusb_write_subreg(atusb, SR_AACK_I_AM_COORD, 0);
+ }
+
+ return atusb_get_and_clear_error(atusb);
+}
+
+static int atusb_start(struct ieee802154_hw *hw)
+{
+ struct atusb *atusb = hw->priv;
+ struct usb_device *usb_dev = atusb->usb_dev;
+ int ret;
+
+ dev_dbg(&usb_dev->dev, "atusb_start\n");
+ schedule_delayed_work(&atusb->work, 0);
+ atusb_command(atusb, ATUSB_RX_MODE, 1);
+ ret = atusb_get_and_clear_error(atusb);
+ if (ret < 0)
+ usb_kill_anchored_urbs(&atusb->idle_urbs);
+ return ret;
+}
+
+static void atusb_stop(struct ieee802154_hw *hw)
+{
+ struct atusb *atusb = hw->priv;
+ struct usb_device *usb_dev = atusb->usb_dev;
+
+ dev_dbg(&usb_dev->dev, "atusb_stop\n");
+ usb_kill_anchored_urbs(&atusb->idle_urbs);
+ atusb_command(atusb, ATUSB_RX_MODE, 0);
+ atusb_get_and_clear_error(atusb);
+}
+
+#define ATUSB_MAX_TX_POWERS 0xF
+static const s32 atusb_powers[ATUSB_MAX_TX_POWERS + 1] = {
+ 300, 280, 230, 180, 130, 70, 0, -100, -200, -300, -400, -500, -700,
+ -900, -1200, -1700,
+};
+
+static int
+atusb_set_txpower(struct ieee802154_hw *hw, s32 mbm)
+{
+ struct atusb *atusb = hw->priv;
+ u32 i;
+
+ for (i = 0; i < hw->phy->supported.tx_powers_size; i++) {
+ if (hw->phy->supported.tx_powers[i] == mbm)
+ return atusb_write_subreg(atusb, SR_TX_PWR_23X, i);
+ }
+
+ return -EINVAL;
+}
+
+static int
+atusb_set_promiscuous_mode(struct ieee802154_hw *hw, const bool on)
+{
+ struct atusb *atusb = hw->priv;
+ int ret;
+
+ if (on) {
+ ret = atusb_write_subreg(atusb, SR_AACK_DIS_ACK, 1);
+ if (ret < 0)
+ return ret;
+
+ ret = atusb_write_subreg(atusb, SR_AACK_PROM_MODE, 1);
+ if (ret < 0)
+ return ret;
+ } else {
+ ret = atusb_write_subreg(atusb, SR_AACK_PROM_MODE, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = atusb_write_subreg(atusb, SR_AACK_DIS_ACK, 0);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct ieee802154_ops atusb_ops = {
+ .owner = THIS_MODULE,
+ .xmit_async = atusb_xmit,
+ .ed = atusb_ed,
+ .set_channel = atusb_channel,
+ .start = atusb_start,
+ .stop = atusb_stop,
+ .set_hw_addr_filt = atusb_set_hw_addr_filt,
+ .set_txpower = atusb_set_txpower,
+ .set_promiscuous_mode = atusb_set_promiscuous_mode,
+};
+
+/* ----- Firmware and chip version information ----------------------------- */
+
+static int atusb_get_and_show_revision(struct atusb *atusb)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+ unsigned char buffer[3];
+ int ret;
+
+ /* Get a couple of the ATMega Firmware values */
+ ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
+ ATUSB_ID, ATUSB_REQ_FROM_DEV, 0, 0,
+ buffer, 3, 1000);
+ if (ret >= 0)
+ dev_info(&usb_dev->dev,
+ "Firmware: major: %u, minor: %u, hardware type: %u\n",
+ buffer[0], buffer[1], buffer[2]);
+ if (buffer[0] == 0 && buffer[1] < 2) {
+ dev_info(&usb_dev->dev,
+ "Firmware version (%u.%u) is predates our first public release.",
+ buffer[0], buffer[1]);
+ dev_info(&usb_dev->dev, "Please update to version 0.2 or newer");
+ }
+
+ return ret;
+}
+
+static int atusb_get_and_show_build(struct atusb *atusb)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+ char build[ATUSB_BUILD_SIZE + 1];
+ int ret;
+
+ ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
+ ATUSB_BUILD, ATUSB_REQ_FROM_DEV, 0, 0,
+ build, ATUSB_BUILD_SIZE, 1000);
+ if (ret >= 0) {
+ build[ret] = 0;
+ dev_info(&usb_dev->dev, "Firmware: build %s\n", build);
+ }
+
+ return ret;
+}
+
+static int atusb_get_and_show_chip(struct atusb *atusb)
+{
+ struct usb_device *usb_dev = atusb->usb_dev;
+ uint8_t man_id_0, man_id_1, part_num, version_num;
+
+ man_id_0 = atusb_read_reg(atusb, RG_MAN_ID_0);
+ man_id_1 = atusb_read_reg(atusb, RG_MAN_ID_1);
+ part_num = atusb_read_reg(atusb, RG_PART_NUM);
+ version_num = atusb_read_reg(atusb, RG_VERSION_NUM);
+
+ if (atusb->err)
+ return atusb->err;
+
+ if ((man_id_1 << 8 | man_id_0) != ATUSB_JEDEC_ATMEL) {
+ dev_err(&usb_dev->dev,
+ "non-Atmel transceiver xxxx%02x%02x\n",
+ man_id_1, man_id_0);
+ goto fail;
+ }
+ if (part_num != 3 && part_num != 2) {
+ dev_err(&usb_dev->dev,
+ "unexpected transceiver, part 0x%02x version 0x%02x\n",
+ part_num, version_num);
+ goto fail;
+ }
+
+ dev_info(&usb_dev->dev, "ATUSB: AT86RF231 version %d\n", version_num);
+
+ return 0;
+
+fail:
+ atusb->err = -ENODEV;
+ return -ENODEV;
+}
+
+/* ----- Setup ------------------------------------------------------------- */
+
+static int atusb_probe(struct usb_interface *interface,
+ const struct usb_device_id *id)
+{
+ struct usb_device *usb_dev = interface_to_usbdev(interface);
+ struct ieee802154_hw *hw;
+ struct atusb *atusb = NULL;
+ int ret = -ENOMEM;
+
+ hw = ieee802154_alloc_hw(sizeof(struct atusb), &atusb_ops);
+ if (!hw)
+ return -ENOMEM;
+
+ atusb = hw->priv;
+ atusb->hw = hw;
+ atusb->usb_dev = usb_get_dev(usb_dev);
+ usb_set_intfdata(interface, atusb);
+
+ atusb->shutdown = 0;
+ atusb->err = 0;
+ INIT_DELAYED_WORK(&atusb->work, atusb_work_urbs);
+ init_usb_anchor(&atusb->idle_urbs);
+ init_usb_anchor(&atusb->rx_urbs);
+
+ if (atusb_alloc_urbs(atusb, ATUSB_NUM_RX_URBS))
+ goto fail;
+
+ atusb->tx_dr.bRequestType = ATUSB_REQ_TO_DEV;
+ atusb->tx_dr.bRequest = ATUSB_TX;
+ atusb->tx_dr.wValue = cpu_to_le16(0);
+
+ atusb->tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!atusb->tx_urb)
+ goto fail;
+
+ hw->parent = &usb_dev->dev;
+ hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
+ IEEE802154_HW_PROMISCUOUS;
+
+ hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;
+
+ hw->phy->current_page = 0;
+ hw->phy->current_channel = 11; /* reset default */
+ hw->phy->supported.channels[0] = 0x7FFF800;
+ hw->phy->supported.tx_powers = atusb_powers;
+ hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
+ hw->phy->transmit_power = hw->phy->supported.tx_powers[0];
+ ieee802154_random_extended_addr(&hw->phy->perm_extended_addr);
+
+ atusb_command(atusb, ATUSB_RF_RESET, 0);
+ atusb_get_and_show_chip(atusb);
+ atusb_get_and_show_revision(atusb);
+ atusb_get_and_show_build(atusb);
+ ret = atusb_get_and_clear_error(atusb);
+ if (ret) {
+ dev_err(&atusb->usb_dev->dev,
+ "%s: initialization failed, error = %d\n",
+ __func__, ret);
+ goto fail;
+ }
+
+ ret = ieee802154_register_hw(hw);
+ if (ret)
+ goto fail;
+
+ /* If we just powered on, we're now in P_ON and need to enter TRX_OFF
+ * explicitly. Any resets after that will send us straight to TRX_OFF,
+ * making the command below redundant.
+ */
+ atusb_write_reg(atusb, RG_TRX_STATE, STATE_FORCE_TRX_OFF);
+ msleep(1); /* reset => TRX_OFF, tTR13 = 37 us */
+
+#if 0
+ /* Calculating the maximum time available to empty the frame buffer
+ * on reception:
+ *
+ * According to [1], the inter-frame gap is
+ * R * 20 * 16 us + 128 us
+ * where R is a random number from 0 to 7. Furthermore, we have 20 bit
+ * times (80 us at 250 kbps) of SHR of the next frame before the
+ * transceiver begins storing data in the frame buffer.
+ *
+ * This yields a minimum time of 208 us between the last data of a
+ * frame and the first data of the next frame. This time is further
+ * reduced by interrupt latency in the atusb firmware.
+ *
+ * atusb currently needs about 500 us to retrieve a maximum-sized
+ * frame. We therefore have to allow reception of a new frame to begin
+ * while we retrieve the previous frame.
+ *
+ * [1] "JN-AN-1035 Calculating data rates in an IEEE 802.15.4-based
+ * network", Jennic 2006.
+ * http://www.jennic.com/download_file.php?supportFile=JN-AN-1035%20Calculating%20802-15-4%20Data%20Rates-1v0.pdf
+ */
+
+ atusb_write_subreg(atusb, SR_RX_SAFE_MODE, 1);
+#endif
+ atusb_write_reg(atusb, RG_IRQ_MASK, 0xff);
+
+ ret = atusb_get_and_clear_error(atusb);
+ if (!ret)
+ return 0;
+
+ dev_err(&atusb->usb_dev->dev,
+ "%s: setup failed, error = %d\n",
+ __func__, ret);
+
+ ieee802154_unregister_hw(hw);
+fail:
+ atusb_free_urbs(atusb);
+ usb_kill_urb(atusb->tx_urb);
+ usb_free_urb(atusb->tx_urb);
+ usb_put_dev(usb_dev);
+ ieee802154_free_hw(hw);
+ return ret;
+}
+
+static void atusb_disconnect(struct usb_interface *interface)
+{
+ struct atusb *atusb = usb_get_intfdata(interface);
+
+ dev_dbg(&atusb->usb_dev->dev, "atusb_disconnect\n");
+
+ atusb->shutdown = 1;
+ cancel_delayed_work_sync(&atusb->work);
+
+ usb_kill_anchored_urbs(&atusb->rx_urbs);
+ atusb_free_urbs(atusb);
+ usb_kill_urb(atusb->tx_urb);
+ usb_free_urb(atusb->tx_urb);
+
+ ieee802154_unregister_hw(atusb->hw);
+
+ ieee802154_free_hw(atusb->hw);
+
+ usb_set_intfdata(interface, NULL);
+ usb_put_dev(atusb->usb_dev);
+
+ pr_debug("atusb_disconnect done\n");
+}
+
+/* The devices we work with */
+static const struct usb_device_id atusb_device_table[] = {
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = ATUSB_VENDOR_ID,
+ .idProduct = ATUSB_PRODUCT_ID,
+ .bInterfaceClass = USB_CLASS_VENDOR_SPEC
+ },
+ /* end with null element */
+ {}
+};
+MODULE_DEVICE_TABLE(usb, atusb_device_table);
+
+static struct usb_driver atusb_driver = {
+ .name = "atusb",
+ .probe = atusb_probe,
+ .disconnect = atusb_disconnect,
+ .id_table = atusb_device_table,
+};
+module_usb_driver(atusb_driver);
+
+MODULE_AUTHOR("Alexander Aring <alex.aring@gmail.com>");
+MODULE_AUTHOR("Richard Sharpe <realrichardsharpe@gmail.com>");
+MODULE_AUTHOR("Stefan Schmidt <stefan@datenfreihafen.org>");
+MODULE_AUTHOR("Werner Almesberger <werner@almesberger.net>");
+MODULE_DESCRIPTION("ATUSB IEEE 802.15.4 Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ieee802154/atusb.h b/drivers/net/ieee802154/atusb.h
new file mode 100644
index 000000000..0690edcad
--- /dev/null
+++ b/drivers/net/ieee802154/atusb.h
@@ -0,0 +1,84 @@
+/*
+ * atusb.h - Definitions shared between kernel and ATUSB firmware
+ *
+ * Written 2013 by Werner Almesberger <werner@almesberger.net>
+ *
+ * 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, version 2, or
+ * (at your option) any later version.
+ *
+ * This file should be identical for kernel and firmware.
+ * Kernel: drivers/net/ieee802154/atusb.h
+ * Firmware: ben-wpan/atusb/fw/include/atusb/atusb.h
+ */
+
+#ifndef _ATUSB_H
+#define _ATUSB_H
+
+#define ATUSB_VENDOR_ID 0x20b7 /* Qi Hardware*/
+#define ATUSB_PRODUCT_ID 0x1540 /* 802.15.4, device 0 */
+ /* -- - - */
+
+#define ATUSB_BUILD_SIZE 256 /* maximum build version/date message length */
+
+/* Commands to our device. Make sure this is synced with the firmware */
+enum atusb_requests {
+ ATUSB_ID = 0x00, /* system status/control grp */
+ ATUSB_BUILD,
+ ATUSB_RESET,
+ ATUSB_RF_RESET = 0x10, /* debug/test group */
+ ATUSB_POLL_INT,
+ ATUSB_TEST, /* atusb-sil only */
+ ATUSB_TIMER,
+ ATUSB_GPIO,
+ ATUSB_SLP_TR,
+ ATUSB_GPIO_CLEANUP,
+ ATUSB_REG_WRITE = 0x20, /* transceiver group */
+ ATUSB_REG_READ,
+ ATUSB_BUF_WRITE,
+ ATUSB_BUF_READ,
+ ATUSB_SRAM_WRITE,
+ ATUSB_SRAM_READ,
+ ATUSB_SPI_WRITE = 0x30, /* SPI group */
+ ATUSB_SPI_READ1,
+ ATUSB_SPI_READ2,
+ ATUSB_SPI_WRITE2_SYNC,
+ ATUSB_RX_MODE = 0x40, /* HardMAC group */
+ ATUSB_TX,
+};
+
+/* Direction bRequest wValue wIndex wLength
+ *
+ * ->host ATUSB_ID - - 3
+ * ->host ATUSB_BUILD - - #bytes
+ * host-> ATUSB_RESET - - 0
+ *
+ * host-> ATUSB_RF_RESET - - 0
+ * ->host ATUSB_POLL_INT - - 1
+ * host-> ATUSB_TEST - - 0
+ * ->host ATUSB_TIMER - - #bytes (6)
+ * ->host ATUSB_GPIO dir+data mask+p# 3
+ * host-> ATUSB_SLP_TR - - 0
+ * host-> ATUSB_GPIO_CLEANUP - - 0
+ *
+ * host-> ATUSB_REG_WRITE value addr 0
+ * ->host ATUSB_REG_READ - addr 1
+ * host-> ATUSB_BUF_WRITE - - #bytes
+ * ->host ATUSB_BUF_READ - - #bytes
+ * host-> ATUSB_SRAM_WRITE - addr #bytes
+ * ->host ATUSB_SRAM_READ - addr #bytes
+ *
+ * host-> ATUSB_SPI_WRITE byte0 byte1 #bytes
+ * ->host ATUSB_SPI_READ1 byte0 - #bytes
+ * ->host ATUSB_SPI_READ2 byte0 byte1 #bytes
+ * ->host ATUSB_SPI_WRITE2_SYNC byte0 byte1 0/1
+ *
+ * host-> ATUSB_RX_MODE on - 0
+ * host-> ATUSB_TX flags ack_seq #bytes
+ */
+
+#define ATUSB_REQ_FROM_DEV (USB_TYPE_VENDOR | USB_DIR_IN)
+#define ATUSB_REQ_TO_DEV (USB_TYPE_VENDOR | USB_DIR_OUT)
+
+#endif /* !_ATUSB_H */
diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index f833b8bb6..b6fc29579 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -196,6 +196,7 @@ struct cc2520_private {
u8 *buf; /* SPI TX/Rx data buffer */
struct mutex buffer_mutex; /* SPI buffer mutex */
bool is_tx; /* Flag for sync b/w Tx and Rx */
+ bool amplified; /* Flag for CC2591 */
int fifo_pin; /* FIFO GPIO pin number */
struct work_struct fifop_irqwork;/* Workqueue for FIFOP */
spinlock_t lock; /* Lock for is_tx*/
@@ -589,22 +590,23 @@ cc2520_filter(struct ieee802154_hw *hw,
struct ieee802154_hw_addr_filt *filt, unsigned long changed)
{
struct cc2520_private *priv = hw->priv;
+ int ret = 0;
if (changed & IEEE802154_AFILT_PANID_CHANGED) {
u16 panid = le16_to_cpu(filt->pan_id);
dev_vdbg(&priv->spi->dev,
"cc2520_filter called for pan id\n");
- cc2520_write_ram(priv, CC2520RAM_PANID,
- sizeof(panid), (u8 *)&panid);
+ ret = cc2520_write_ram(priv, CC2520RAM_PANID,
+ sizeof(panid), (u8 *)&panid);
}
if (changed & IEEE802154_AFILT_IEEEADDR_CHANGED) {
dev_vdbg(&priv->spi->dev,
"cc2520_filter called for IEEE addr\n");
- cc2520_write_ram(priv, CC2520RAM_IEEEADDR,
- sizeof(filt->ieee_addr),
- (u8 *)&filt->ieee_addr);
+ ret = cc2520_write_ram(priv, CC2520RAM_IEEEADDR,
+ sizeof(filt->ieee_addr),
+ (u8 *)&filt->ieee_addr);
}
if (changed & IEEE802154_AFILT_SADDR_CHANGED) {
@@ -612,20 +614,113 @@ cc2520_filter(struct ieee802154_hw *hw,
dev_vdbg(&priv->spi->dev,
"cc2520_filter called for saddr\n");
- cc2520_write_ram(priv, CC2520RAM_SHORTADDR,
- sizeof(addr), (u8 *)&addr);
+ ret = cc2520_write_ram(priv, CC2520RAM_SHORTADDR,
+ sizeof(addr), (u8 *)&addr);
}
if (changed & IEEE802154_AFILT_PANC_CHANGED) {
dev_vdbg(&priv->spi->dev,
"cc2520_filter called for panc change\n");
if (filt->pan_coord)
- cc2520_write_register(priv, CC2520_FRMFILT0, 0x02);
+ ret = cc2520_write_register(priv, CC2520_FRMFILT0,
+ 0x02);
else
- cc2520_write_register(priv, CC2520_FRMFILT0, 0x00);
+ ret = cc2520_write_register(priv, CC2520_FRMFILT0,
+ 0x00);
}
- return 0;
+ return ret;
+}
+
+static inline int cc2520_set_tx_power(struct cc2520_private *priv, s32 mbm)
+{
+ u8 power;
+
+ switch (mbm) {
+ case 500:
+ power = 0xF7;
+ break;
+ case 300:
+ power = 0xF2;
+ break;
+ case 200:
+ power = 0xAB;
+ break;
+ case 100:
+ power = 0x13;
+ break;
+ case 0:
+ power = 0x32;
+ break;
+ case -200:
+ power = 0x81;
+ break;
+ case -400:
+ power = 0x88;
+ break;
+ case -700:
+ power = 0x2C;
+ break;
+ case -1800:
+ power = 0x03;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return cc2520_write_register(priv, CC2520_TXPOWER, power);
+}
+
+static inline int cc2520_cc2591_set_tx_power(struct cc2520_private *priv,
+ s32 mbm)
+{
+ u8 power;
+
+ switch (mbm) {
+ case 1700:
+ power = 0xF9;
+ break;
+ case 1600:
+ power = 0xF0;
+ break;
+ case 1400:
+ power = 0xA0;
+ break;
+ case 1100:
+ power = 0x2C;
+ break;
+ case -100:
+ power = 0x03;
+ break;
+ case -800:
+ power = 0x01;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return cc2520_write_register(priv, CC2520_TXPOWER, power);
+}
+
+#define CC2520_MAX_TX_POWERS 0x8
+static const s32 cc2520_powers[CC2520_MAX_TX_POWERS + 1] = {
+ 500, 300, 200, 100, 0, -200, -400, -700, -1800,
+};
+
+#define CC2520_CC2591_MAX_TX_POWERS 0x5
+static const s32 cc2520_cc2591_powers[CC2520_CC2591_MAX_TX_POWERS + 1] = {
+ 1700, 1600, 1400, 1100, -100, -800,
+};
+
+static int
+cc2520_set_txpower(struct ieee802154_hw *hw, s32 mbm)
+{
+ struct cc2520_private *priv = hw->priv;
+
+ if (!priv->amplified)
+ return cc2520_set_tx_power(priv, mbm);
+
+ return cc2520_cc2591_set_tx_power(priv, mbm);
}
static const struct ieee802154_ops cc2520_ops = {
@@ -636,6 +731,7 @@ static const struct ieee802154_ops cc2520_ops = {
.ed = cc2520_ed,
.set_channel = cc2520_set_channel,
.set_hw_addr_filt = cc2520_filter,
+ .set_txpower = cc2520_set_txpower,
};
static int cc2520_register(struct cc2520_private *priv)
@@ -649,13 +745,25 @@ static int cc2520_register(struct cc2520_private *priv)
priv->hw->priv = priv;
priv->hw->parent = &priv->spi->dev;
priv->hw->extra_tx_headroom = 0;
- priv->hw->vif_data_size = sizeof(*priv);
ieee802154_random_extended_addr(&priv->hw->phy->perm_extended_addr);
/* We do support only 2.4 Ghz */
- priv->hw->phy->channels_supported[0] = 0x7FFF800;
- priv->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
- IEEE802154_HW_AFILT;
+ priv->hw->phy->supported.channels[0] = 0x7FFF800;
+ priv->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AFILT;
+
+ priv->hw->phy->flags = WPAN_PHY_FLAG_TXPOWER;
+
+ if (!priv->amplified) {
+ priv->hw->phy->supported.tx_powers = cc2520_powers;
+ priv->hw->phy->supported.tx_powers_size = ARRAY_SIZE(cc2520_powers);
+ priv->hw->phy->transmit_power = priv->hw->phy->supported.tx_powers[4];
+ } else {
+ priv->hw->phy->supported.tx_powers = cc2520_cc2591_powers;
+ priv->hw->phy->supported.tx_powers_size = ARRAY_SIZE(cc2520_cc2591_powers);
+ priv->hw->phy->transmit_power = priv->hw->phy->supported.tx_powers[0];
+ }
+
+ priv->hw->phy->current_channel = 11;
dev_vdbg(&priv->spi->dev, "registered cc2520\n");
ret = ieee802154_register_hw(priv->hw);
@@ -738,7 +846,9 @@ static int cc2520_get_platform_data(struct spi_device *spi,
pdata->vreg = of_get_named_gpio(np, "vreg-gpio", 0);
pdata->reset = of_get_named_gpio(np, "reset-gpio", 0);
- pdata->amplified = of_property_read_bool(np, "amplified");
+ /* CC2591 front end for CC2520 */
+ if (of_property_read_bool(np, "amplified"))
+ priv->amplified = true;
return 0;
}
@@ -781,11 +891,7 @@ static int cc2520_hw_init(struct cc2520_private *priv)
* amplifier. See section 8 page 17 of TI application note AN065.
* http://www.ti.com/lit/an/swra229a/swra229a.pdf
*/
- if (pdata.amplified) {
- ret = cc2520_write_register(priv, CC2520_TXPOWER, 0xF9);
- if (ret)
- goto err_ret;
-
+ if (priv->amplified) {
ret = cc2520_write_register(priv, CC2520_AGCCTRL1, 0x16);
if (ret)
goto err_ret;
@@ -806,10 +912,6 @@ static int cc2520_hw_init(struct cc2520_private *priv)
if (ret)
goto err_ret;
} else {
- ret = cc2520_write_register(priv, CC2520_TXPOWER, 0xF7);
- if (ret)
- goto err_ret;
-
ret = cc2520_write_register(priv, CC2520_AGCCTRL1, 0x11);
if (ret)
goto err_ret;
@@ -904,6 +1006,9 @@ static int cc2520_probe(struct spi_device *spi)
spin_lock_init(&priv->lock);
init_completion(&priv->tx_complete);
+ /* Assumption that CC2591 is not connected */
+ priv->amplified = false;
+
/* Request all the gpio's */
if (!gpio_is_valid(pdata.fifo)) {
dev_err(&spi->dev, "fifo gpio is not valid\n");
diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c
index dc2bfb600..860d4aed8 100644
--- a/drivers/net/ieee802154/fakelb.c
+++ b/drivers/net/ieee802154/fakelb.c
@@ -27,25 +27,27 @@
#include <net/mac802154.h>
#include <net/cfg802154.h>
-static int numlbs = 1;
+static int numlbs = 2;
-struct fakelb_dev_priv {
+static LIST_HEAD(fakelb_phys);
+static DEFINE_SPINLOCK(fakelb_phys_lock);
+
+static LIST_HEAD(fakelb_ifup_phys);
+static DEFINE_RWLOCK(fakelb_ifup_phys_lock);
+
+struct fakelb_phy {
struct ieee802154_hw *hw;
- struct list_head list;
- struct fakelb_priv *fake;
+ u8 page;
+ u8 channel;
- spinlock_t lock;
- bool working;
-};
+ bool suspended;
-struct fakelb_priv {
struct list_head list;
- rwlock_t lock;
+ struct list_head list_ifup;
};
-static int
-fakelb_hw_ed(struct ieee802154_hw *hw, u8 *level)
+static int fakelb_hw_ed(struct ieee802154_hw *hw, u8 *level)
{
BUG_ON(!level);
*level = 0xbe;
@@ -53,78 +55,66 @@ fakelb_hw_ed(struct ieee802154_hw *hw, u8 *level)
return 0;
}
-static int
-fakelb_hw_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
+static int fakelb_hw_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
{
- pr_debug("set channel to %d\n", channel);
+ struct fakelb_phy *phy = hw->priv;
+ write_lock_bh(&fakelb_ifup_phys_lock);
+ phy->page = page;
+ phy->channel = channel;
+ write_unlock_bh(&fakelb_ifup_phys_lock);
return 0;
}
-static void
-fakelb_hw_deliver(struct fakelb_dev_priv *priv, struct sk_buff *skb)
+static int fakelb_hw_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
{
- struct sk_buff *newskb;
+ struct fakelb_phy *current_phy = hw->priv, *phy;
- spin_lock(&priv->lock);
- if (priv->working) {
- newskb = pskb_copy(skb, GFP_ATOMIC);
- ieee802154_rx_irqsafe(priv->hw, newskb, 0xcc);
- }
- spin_unlock(&priv->lock);
-}
+ read_lock_bh(&fakelb_ifup_phys_lock);
+ WARN_ON(current_phy->suspended);
+ list_for_each_entry(phy, &fakelb_ifup_phys, list_ifup) {
+ if (current_phy == phy)
+ continue;
-static int
-fakelb_hw_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
-{
- struct fakelb_dev_priv *priv = hw->priv;
- struct fakelb_priv *fake = priv->fake;
-
- read_lock_bh(&fake->lock);
- if (priv->list.next == priv->list.prev) {
- /* we are the only one device */
- fakelb_hw_deliver(priv, skb);
- } else {
- struct fakelb_dev_priv *dp;
- list_for_each_entry(dp, &priv->fake->list, list) {
- if (dp != priv &&
- (dp->hw->phy->current_channel ==
- priv->hw->phy->current_channel))
- fakelb_hw_deliver(dp, skb);
+ if (current_phy->page == phy->page &&
+ current_phy->channel == phy->channel) {
+ struct sk_buff *newskb = pskb_copy(skb, GFP_ATOMIC);
+
+ if (newskb)
+ ieee802154_rx_irqsafe(phy->hw, newskb, 0xcc);
}
}
- read_unlock_bh(&fake->lock);
+ read_unlock_bh(&fakelb_ifup_phys_lock);
+ ieee802154_xmit_complete(hw, skb, false);
return 0;
}
-static int
-fakelb_hw_start(struct ieee802154_hw *hw) {
- struct fakelb_dev_priv *priv = hw->priv;
- int ret = 0;
+static int fakelb_hw_start(struct ieee802154_hw *hw)
+{
+ struct fakelb_phy *phy = hw->priv;
- spin_lock(&priv->lock);
- if (priv->working)
- ret = -EBUSY;
- else
- priv->working = 1;
- spin_unlock(&priv->lock);
+ write_lock_bh(&fakelb_ifup_phys_lock);
+ phy->suspended = false;
+ list_add(&phy->list_ifup, &fakelb_ifup_phys);
+ write_unlock_bh(&fakelb_ifup_phys_lock);
- return ret;
+ return 0;
}
-static void
-fakelb_hw_stop(struct ieee802154_hw *hw) {
- struct fakelb_dev_priv *priv = hw->priv;
+static void fakelb_hw_stop(struct ieee802154_hw *hw)
+{
+ struct fakelb_phy *phy = hw->priv;
- spin_lock(&priv->lock);
- priv->working = 0;
- spin_unlock(&priv->lock);
+ write_lock_bh(&fakelb_ifup_phys_lock);
+ phy->suspended = true;
+ list_del(&phy->list_ifup);
+ write_unlock_bh(&fakelb_ifup_phys_lock);
}
static const struct ieee802154_ops fakelb_ops = {
.owner = THIS_MODULE,
- .xmit_sync = fakelb_hw_xmit,
+ .xmit_async = fakelb_hw_xmit,
.ed = fakelb_hw_ed,
.set_channel = fakelb_hw_channel,
.start = fakelb_hw_start,
@@ -135,54 +125,54 @@ static const struct ieee802154_ops fakelb_ops = {
module_param(numlbs, int, 0);
MODULE_PARM_DESC(numlbs, " number of pseudo devices");
-static int fakelb_add_one(struct device *dev, struct fakelb_priv *fake)
+static int fakelb_add_one(struct device *dev)
{
- struct fakelb_dev_priv *priv;
- int err;
struct ieee802154_hw *hw;
+ struct fakelb_phy *phy;
+ int err;
- hw = ieee802154_alloc_hw(sizeof(*priv), &fakelb_ops);
+ hw = ieee802154_alloc_hw(sizeof(*phy), &fakelb_ops);
if (!hw)
return -ENOMEM;
- priv = hw->priv;
- priv->hw = hw;
+ phy = hw->priv;
+ phy->hw = hw;
/* 868 MHz BPSK 802.15.4-2003 */
- hw->phy->channels_supported[0] |= 1;
+ hw->phy->supported.channels[0] |= 1;
/* 915 MHz BPSK 802.15.4-2003 */
- hw->phy->channels_supported[0] |= 0x7fe;
+ hw->phy->supported.channels[0] |= 0x7fe;
/* 2.4 GHz O-QPSK 802.15.4-2003 */
- hw->phy->channels_supported[0] |= 0x7FFF800;
+ hw->phy->supported.channels[0] |= 0x7FFF800;
/* 868 MHz ASK 802.15.4-2006 */
- hw->phy->channels_supported[1] |= 1;
+ hw->phy->supported.channels[1] |= 1;
/* 915 MHz ASK 802.15.4-2006 */
- hw->phy->channels_supported[1] |= 0x7fe;
+ hw->phy->supported.channels[1] |= 0x7fe;
/* 868 MHz O-QPSK 802.15.4-2006 */
- hw->phy->channels_supported[2] |= 1;
+ hw->phy->supported.channels[2] |= 1;
/* 915 MHz O-QPSK 802.15.4-2006 */
- hw->phy->channels_supported[2] |= 0x7fe;
+ hw->phy->supported.channels[2] |= 0x7fe;
/* 2.4 GHz CSS 802.15.4a-2007 */
- hw->phy->channels_supported[3] |= 0x3fff;
+ hw->phy->supported.channels[3] |= 0x3fff;
/* UWB Sub-gigahertz 802.15.4a-2007 */
- hw->phy->channels_supported[4] |= 1;
+ hw->phy->supported.channels[4] |= 1;
/* UWB Low band 802.15.4a-2007 */
- hw->phy->channels_supported[4] |= 0x1e;
+ hw->phy->supported.channels[4] |= 0x1e;
/* UWB High band 802.15.4a-2007 */
- hw->phy->channels_supported[4] |= 0xffe0;
+ hw->phy->supported.channels[4] |= 0xffe0;
/* 750 MHz O-QPSK 802.15.4c-2009 */
- hw->phy->channels_supported[5] |= 0xf;
+ hw->phy->supported.channels[5] |= 0xf;
/* 750 MHz MPSK 802.15.4c-2009 */
- hw->phy->channels_supported[5] |= 0xf0;
+ hw->phy->supported.channels[5] |= 0xf0;
/* 950 MHz BPSK 802.15.4d-2009 */
- hw->phy->channels_supported[6] |= 0x3ff;
+ hw->phy->supported.channels[6] |= 0x3ff;
/* 950 MHz GFSK 802.15.4d-2009 */
- hw->phy->channels_supported[6] |= 0x3ffc00;
+ hw->phy->supported.channels[6] |= 0x3ffc00;
- INIT_LIST_HEAD(&priv->list);
- priv->fake = fake;
-
- spin_lock_init(&priv->lock);
+ ieee802154_random_extended_addr(&hw->phy->perm_extended_addr);
+ /* fake phy channel 13 as default */
+ hw->phy->current_channel = 13;
+ phy->channel = hw->phy->current_channel;
hw->parent = dev;
@@ -190,67 +180,55 @@ static int fakelb_add_one(struct device *dev, struct fakelb_priv *fake)
if (err)
goto err_reg;
- write_lock_bh(&fake->lock);
- list_add_tail(&priv->list, &fake->list);
- write_unlock_bh(&fake->lock);
+ spin_lock(&fakelb_phys_lock);
+ list_add_tail(&phy->list, &fakelb_phys);
+ spin_unlock(&fakelb_phys_lock);
return 0;
err_reg:
- ieee802154_free_hw(priv->hw);
+ ieee802154_free_hw(phy->hw);
return err;
}
-static void fakelb_del(struct fakelb_dev_priv *priv)
+static void fakelb_del(struct fakelb_phy *phy)
{
- write_lock_bh(&priv->fake->lock);
- list_del(&priv->list);
- write_unlock_bh(&priv->fake->lock);
+ list_del(&phy->list);
- ieee802154_unregister_hw(priv->hw);
- ieee802154_free_hw(priv->hw);
+ ieee802154_unregister_hw(phy->hw);
+ ieee802154_free_hw(phy->hw);
}
static int fakelb_probe(struct platform_device *pdev)
{
- struct fakelb_priv *priv;
- struct fakelb_dev_priv *dp;
- int err = -ENOMEM;
- int i;
-
- priv = devm_kzalloc(&pdev->dev, sizeof(struct fakelb_priv),
- GFP_KERNEL);
- if (!priv)
- goto err_alloc;
-
- INIT_LIST_HEAD(&priv->list);
- rwlock_init(&priv->lock);
+ struct fakelb_phy *phy, *tmp;
+ int err, i;
for (i = 0; i < numlbs; i++) {
- err = fakelb_add_one(&pdev->dev, priv);
+ err = fakelb_add_one(&pdev->dev);
if (err < 0)
goto err_slave;
}
- platform_set_drvdata(pdev, priv);
dev_info(&pdev->dev, "added ieee802154 hardware\n");
return 0;
err_slave:
- list_for_each_entry(dp, &priv->list, list)
- fakelb_del(dp);
-err_alloc:
+ spin_lock(&fakelb_phys_lock);
+ list_for_each_entry_safe(phy, tmp, &fakelb_phys, list)
+ fakelb_del(phy);
+ spin_unlock(&fakelb_phys_lock);
return err;
}
static int fakelb_remove(struct platform_device *pdev)
{
- struct fakelb_priv *priv = platform_get_drvdata(pdev);
- struct fakelb_dev_priv *dp, *temp;
-
- list_for_each_entry_safe(dp, temp, &priv->list, list)
- fakelb_del(dp);
+ struct fakelb_phy *phy, *tmp;
+ spin_lock(&fakelb_phys_lock);
+ list_for_each_entry_safe(phy, tmp, &fakelb_phys, list)
+ fakelb_del(phy);
+ spin_unlock(&fakelb_phys_lock);
return 0;
}
diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
index fba2dfd91..2549760e0 100644
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -533,6 +533,7 @@ static int mrf24j40_handle_rx(struct mrf24j40 *devrec)
u8 lqi = 0;
u8 val;
int ret = 0;
+ int ret2;
struct sk_buff *skb;
/* Turn off reception of packets off the air. This prevents the
@@ -569,9 +570,9 @@ static int mrf24j40_handle_rx(struct mrf24j40 *devrec)
out:
/* Turn back on reception of packets off the air. */
- ret = read_short_reg(devrec, REG_BBREG1, &val);
- if (ret)
- return ret;
+ ret2 = read_short_reg(devrec, REG_BBREG1, &val);
+ if (ret2)
+ return ret2;
val &= ~0x4; /* Clear RXDECINV */
write_short_reg(devrec, REG_BBREG1, val);
@@ -750,9 +751,8 @@ static int mrf24j40_probe(struct spi_device *spi)
devrec->hw->priv = devrec;
devrec->hw->parent = &devrec->spi->dev;
- devrec->hw->phy->channels_supported[0] = CHANNEL_MASK;
- devrec->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
- IEEE802154_HW_AFILT;
+ devrec->hw->phy->supported.channels[0] = CHANNEL_MASK;
+ devrec->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AFILT;
dev_dbg(printdev(devrec), "registered mrf24j40\n");
ret = ieee802154_register_hw(devrec->hw);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-04 00:21:11 +0000