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path: root/drivers/net/ieee802154
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-rw-r--r--drivers/net/ieee802154/Kconfig34
-rw-r--r--drivers/net/ieee802154/at86rf230.c520
-rw-r--r--drivers/net/ieee802154/fakehard.c22
-rw-r--r--drivers/net/ieee802154/mrf24j40.c17
4 files changed, 433 insertions, 160 deletions
diff --git a/drivers/net/ieee802154/Kconfig b/drivers/net/ieee802154/Kconfig
index 08ae4655423a..3e89beab64fd 100644
--- a/drivers/net/ieee802154/Kconfig
+++ b/drivers/net/ieee802154/Kconfig
@@ -15,9 +15,9 @@ config IEEE802154_FAKEHARD
depends on IEEE802154_DRIVERS
---help---
Say Y here to enable the fake driver that serves as an example
- of HardMAC device driver.
+ of HardMAC device driver.
- This driver can also be built as a module. To do so say M here.
+ This driver can also be built as a module. To do so say M here.
The module will be called 'fakehard'.
config IEEE802154_FAKELB
@@ -31,17 +31,23 @@ config IEEE802154_FAKELB
The module will be called 'fakelb'.
config IEEE802154_AT86RF230
- depends on IEEE802154_DRIVERS && MAC802154
- tristate "AT86RF230/231 transceiver driver"
- depends on SPI
+ depends on IEEE802154_DRIVERS && MAC802154
+ tristate "AT86RF230/231/233/212 transceiver driver"
+ depends on SPI
+ ---help---
+ Say Y here to enable the at86rf230/231/233/212 SPI 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 'at86rf230'.
config IEEE802154_MRF24J40
- tristate "Microchip MRF24J40 transceiver driver"
- depends on IEEE802154_DRIVERS && MAC802154
- depends on SPI
- ---help---
- Say Y here to enable the MRF24J20 SPI 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 'mrf24j40'.
+ tristate "Microchip MRF24J40 transceiver driver"
+ depends on IEEE802154_DRIVERS && MAC802154
+ depends on SPI
+ ---help---
+ Say Y here to enable the MRF24J20 SPI 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 'mrf24j40'.
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index a30258aad139..89417ac41083 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -31,13 +31,13 @@
#include <linux/spi/spi.h>
#include <linux/spi/at86rf230.h>
#include <linux/skbuff.h>
+#include <linux/of_gpio.h>
#include <net/mac802154.h>
#include <net/wpan-phy.h>
struct at86rf230_local {
struct spi_device *spi;
- int rstn, slp_tr, dig2;
u8 part;
u8 vers;
@@ -53,8 +53,16 @@ struct at86rf230_local {
spinlock_t lock;
bool irq_busy;
bool is_tx;
+ bool tx_aret;
+
+ int rssi_base_val;
};
+static bool is_rf212(struct at86rf230_local *local)
+{
+ return local->part == 7;
+}
+
#define RG_TRX_STATUS (0x01)
#define SR_TRX_STATUS 0x01, 0x1f, 0
#define SR_RESERVED_01_3 0x01, 0x20, 5
@@ -100,7 +108,10 @@ struct at86rf230_local {
#define SR_SFD_VALUE 0x0b, 0xff, 0
#define RG_TRX_CTRL_2 (0x0c)
#define SR_OQPSK_DATA_RATE 0x0c, 0x03, 0
-#define SR_RESERVED_0c_2 0x0c, 0x7c, 2
+#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
@@ -145,7 +156,7 @@ struct at86rf230_local {
#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_RESERVED_17_2 0x17, 0x40, 6
+#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
@@ -234,6 +245,7 @@ struct at86rf230_local {
#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
@@ -244,6 +256,57 @@ struct at86rf230_local {
#define STATE_TRANSITION_IN_PROGRESS 0x1F
static int
+__at86rf230_detect_device(struct spi_device *spi, u16 *man_id, u8 *part,
+ u8 *version)
+{
+ u8 data[4];
+ u8 *buf = kmalloc(2, GFP_KERNEL);
+ int status;
+ struct spi_message msg;
+ struct spi_transfer xfer = {
+ .len = 2,
+ .tx_buf = buf,
+ .rx_buf = buf,
+ };
+ u8 reg;
+
+ if (!buf)
+ return -ENOMEM;
+
+ for (reg = RG_PART_NUM; reg <= RG_MAN_ID_1; reg++) {
+ buf[0] = (reg & CMD_REG_MASK) | CMD_REG;
+ buf[1] = 0xff;
+ dev_vdbg(&spi->dev, "buf[0] = %02x\n", buf[0]);
+ spi_message_init(&msg);
+ spi_message_add_tail(&xfer, &msg);
+
+ status = spi_sync(spi, &msg);
+ dev_vdbg(&spi->dev, "status = %d\n", status);
+ if (msg.status)
+ status = msg.status;
+
+ dev_vdbg(&spi->dev, "status = %d\n", status);
+ dev_vdbg(&spi->dev, "buf[0] = %02x\n", buf[0]);
+ dev_vdbg(&spi->dev, "buf[1] = %02x\n", buf[1]);
+
+ if (status == 0)
+ data[reg - RG_PART_NUM] = buf[1];
+ else
+ break;
+ }
+
+ if (status == 0) {
+ *part = data[0];
+ *version = data[1];
+ *man_id = (data[3] << 8) | data[2];
+ }
+
+ kfree(buf);
+
+ return status;
+}
+
+static int
__at86rf230_write(struct at86rf230_local *lp, u8 addr, u8 data)
{
u8 *buf = lp->buf;
@@ -489,7 +552,9 @@ at86rf230_state(struct ieee802154_dev *dev, int state)
} while (val == STATE_TRANSITION_IN_PROGRESS);
- if (val == desired_status)
+ if (val == desired_status ||
+ (desired_status == STATE_RX_ON && val == STATE_BUSY_RX) ||
+ (desired_status == STATE_RX_AACK_ON && val == STATE_BUSY_RX_AACK))
return 0;
pr_err("unexpected state change: %d, asked for %d\n", val, state);
@@ -510,7 +575,11 @@ at86rf230_start(struct ieee802154_dev *dev)
if (rc)
return rc;
- return at86rf230_state(dev, STATE_RX_ON);
+ rc = at86rf230_state(dev, STATE_TX_ON);
+ if (rc)
+ return rc;
+
+ return at86rf230_state(dev, STATE_RX_AACK_ON);
}
static void
@@ -520,6 +589,39 @@ at86rf230_stop(struct ieee802154_dev *dev)
}
static int
+at86rf230_set_channel(struct at86rf230_local *lp, int page, int channel)
+{
+ lp->rssi_base_val = -91;
+
+ return at86rf230_write_subreg(lp, SR_CHANNEL, channel);
+}
+
+static int
+at86rf212_set_channel(struct at86rf230_local *lp, int page, int channel)
+{
+ int rc;
+
+ if (channel == 0)
+ rc = at86rf230_write_subreg(lp, SR_SUB_MODE, 0);
+ else
+ rc = at86rf230_write_subreg(lp, SR_SUB_MODE, 1);
+ if (rc < 0)
+ return rc;
+
+ if (page == 0) {
+ rc = at86rf230_write_subreg(lp, SR_BPSK_QPSK, 0);
+ lp->rssi_base_val = -100;
+ } else {
+ rc = at86rf230_write_subreg(lp, SR_BPSK_QPSK, 1);
+ lp->rssi_base_val = -98;
+ }
+ if (rc < 0)
+ return rc;
+
+ return at86rf230_write_subreg(lp, SR_CHANNEL, channel);
+}
+
+static int
at86rf230_channel(struct ieee802154_dev *dev, int page, int channel)
{
struct at86rf230_local *lp = dev->priv;
@@ -527,14 +629,22 @@ at86rf230_channel(struct ieee802154_dev *dev, int page, int channel)
might_sleep();
- if (page != 0 || channel < 11 || channel > 26) {
+ if (page < 0 || page > 31 ||
+ !(lp->dev->phy->channels_supported[page] & BIT(channel))) {
WARN_ON(1);
return -EINVAL;
}
- rc = at86rf230_write_subreg(lp, SR_CHANNEL, channel);
+ if (is_rf212(lp))
+ rc = at86rf212_set_channel(lp, page, channel);
+ else
+ rc = at86rf230_set_channel(lp, page, channel);
+ if (rc < 0)
+ return rc;
+
msleep(1); /* Wait for PLL */
dev->phy->current_channel = channel;
+ dev->phy->current_page = page;
return 0;
}
@@ -568,6 +678,12 @@ at86rf230_xmit(struct ieee802154_dev *dev, struct sk_buff *skb)
if (rc)
goto err_rx;
+ if (lp->tx_aret) {
+ rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_TX_ARET_ON);
+ if (rc)
+ goto err_rx;
+ }
+
rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_BUSY_TX);
if (rc)
goto err_rx;
@@ -630,30 +746,31 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev,
struct at86rf230_local *lp = dev->priv;
if (changed & IEEE802515_AFILT_SADDR_CHANGED) {
+ u16 addr = le16_to_cpu(filt->short_addr);
+
dev_vdbg(&lp->spi->dev,
"at86rf230_set_hw_addr_filt called for saddr\n");
- __at86rf230_write(lp, RG_SHORT_ADDR_0, filt->short_addr);
- __at86rf230_write(lp, RG_SHORT_ADDR_1, filt->short_addr >> 8);
+ __at86rf230_write(lp, RG_SHORT_ADDR_0, addr);
+ __at86rf230_write(lp, RG_SHORT_ADDR_1, addr >> 8);
}
if (changed & IEEE802515_AFILT_PANID_CHANGED) {
+ u16 pan = le16_to_cpu(filt->pan_id);
+
dev_vdbg(&lp->spi->dev,
"at86rf230_set_hw_addr_filt called for pan id\n");
- __at86rf230_write(lp, RG_PAN_ID_0, filt->pan_id);
- __at86rf230_write(lp, RG_PAN_ID_1, filt->pan_id >> 8);
+ __at86rf230_write(lp, RG_PAN_ID_0, pan);
+ __at86rf230_write(lp, RG_PAN_ID_1, pan >> 8);
}
if (changed & IEEE802515_AFILT_IEEEADDR_CHANGED) {
+ u8 i, addr[8];
+
+ memcpy(addr, &filt->ieee_addr, 8);
dev_vdbg(&lp->spi->dev,
"at86rf230_set_hw_addr_filt called for IEEE addr\n");
- at86rf230_write_subreg(lp, SR_IEEE_ADDR_0, filt->ieee_addr[7]);
- at86rf230_write_subreg(lp, SR_IEEE_ADDR_1, filt->ieee_addr[6]);
- at86rf230_write_subreg(lp, SR_IEEE_ADDR_2, filt->ieee_addr[5]);
- at86rf230_write_subreg(lp, SR_IEEE_ADDR_3, filt->ieee_addr[4]);
- at86rf230_write_subreg(lp, SR_IEEE_ADDR_4, filt->ieee_addr[3]);
- at86rf230_write_subreg(lp, SR_IEEE_ADDR_5, filt->ieee_addr[2]);
- at86rf230_write_subreg(lp, SR_IEEE_ADDR_6, filt->ieee_addr[1]);
- at86rf230_write_subreg(lp, SR_IEEE_ADDR_7, filt->ieee_addr[0]);
+ for (i = 0; i < 8; i++)
+ __at86rf230_write(lp, RG_IEEE_ADDR_0 + i, addr[i]);
}
if (changed & IEEE802515_AFILT_PANC_CHANGED) {
@@ -668,6 +785,93 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev,
return 0;
}
+static int
+at86rf212_set_txpower(struct ieee802154_dev *dev, int db)
+{
+ struct at86rf230_local *lp = dev->priv;
+
+ /* 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;
+
+ db = -(db - 5);
+
+ return __at86rf230_write(lp, RG_PHY_TX_PWR, 0x60 | db);
+}
+
+static int
+at86rf212_set_lbt(struct ieee802154_dev *dev, bool on)
+{
+ struct at86rf230_local *lp = dev->priv;
+
+ return at86rf230_write_subreg(lp, SR_CSMA_LBT_MODE, on);
+}
+
+static int
+at86rf212_set_cca_mode(struct ieee802154_dev *dev, u8 mode)
+{
+ struct at86rf230_local *lp = dev->priv;
+
+ return at86rf230_write_subreg(lp, SR_CCA_MODE, mode);
+}
+
+static int
+at86rf212_set_cca_ed_level(struct ieee802154_dev *dev, s32 level)
+{
+ struct at86rf230_local *lp = dev->priv;
+ int desens_steps;
+
+ if (level < lp->rssi_base_val || level > 30)
+ return -EINVAL;
+
+ desens_steps = (level - lp->rssi_base_val) * 100 / 207;
+
+ return at86rf230_write_subreg(lp, SR_CCA_ED_THRES, desens_steps);
+}
+
+static int
+at86rf212_set_csma_params(struct ieee802154_dev *dev, u8 min_be, u8 max_be,
+ u8 retries)
+{
+ struct at86rf230_local *lp = dev->priv;
+ int rc;
+
+ if (min_be > max_be || max_be > 8 || retries > 5)
+ return -EINVAL;
+
+ rc = at86rf230_write_subreg(lp, SR_MIN_BE, min_be);
+ if (rc)
+ return rc;
+
+ rc = at86rf230_write_subreg(lp, SR_MAX_BE, max_be);
+ if (rc)
+ return rc;
+
+ return at86rf230_write_subreg(lp, SR_MAX_CSMA_RETRIES, max_be);
+}
+
+static int
+at86rf212_set_frame_retries(struct ieee802154_dev *dev, s8 retries)
+{
+ struct at86rf230_local *lp = dev->priv;
+ int rc = 0;
+
+ if (retries < -1 || retries > 15)
+ return -EINVAL;
+
+ lp->tx_aret = retries >= 0;
+
+ if (retries >= 0)
+ rc = at86rf230_write_subreg(lp, SR_MAX_FRAME_RETRIES, retries);
+
+ return rc;
+}
+
static struct ieee802154_ops at86rf230_ops = {
.owner = THIS_MODULE,
.xmit = at86rf230_xmit,
@@ -678,6 +882,22 @@ static struct ieee802154_ops at86rf230_ops = {
.set_hw_addr_filt = at86rf230_set_hw_addr_filt,
};
+static struct ieee802154_ops at86rf212_ops = {
+ .owner = THIS_MODULE,
+ .xmit = at86rf230_xmit,
+ .ed = at86rf230_ed,
+ .set_channel = at86rf230_channel,
+ .start = at86rf230_start,
+ .stop = at86rf230_stop,
+ .set_hw_addr_filt = at86rf230_set_hw_addr_filt,
+ .set_txpower = at86rf212_set_txpower,
+ .set_lbt = at86rf212_set_lbt,
+ .set_cca_mode = at86rf212_set_cca_mode,
+ .set_cca_ed_level = at86rf212_set_cca_ed_level,
+ .set_csma_params = at86rf212_set_csma_params,
+ .set_frame_retries = at86rf212_set_frame_retries,
+};
+
static void at86rf230_irqwork(struct work_struct *work)
{
struct at86rf230_local *lp =
@@ -695,8 +915,8 @@ static void at86rf230_irqwork(struct work_struct *work)
status &= ~IRQ_TRX_UR; /* FIXME: possibly handle ???*/
if (status & IRQ_TRX_END) {
- spin_lock_irqsave(&lp->lock, flags);
status &= ~IRQ_TRX_END;
+ spin_lock_irqsave(&lp->lock, flags);
if (lp->is_tx) {
lp->is_tx = 0;
spin_unlock_irqrestore(&lp->lock, flags);
@@ -753,22 +973,15 @@ static int at86rf230_hw_init(struct at86rf230_local *lp)
struct at86rf230_platform_data *pdata = lp->spi->dev.platform_data;
int rc, irq_pol;
u8 status;
+ u8 csma_seed[2];
rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &status);
if (rc)
return rc;
- dev_info(&lp->spi->dev, "Status: %02x\n", status);
- if (status == STATE_P_ON) {
- rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_TRX_OFF);
- if (rc)
- return rc;
- msleep(1);
- rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &status);
- if (rc)
- return rc;
- dev_info(&lp->spi->dev, "Status: %02x\n", status);
- }
+ rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_FORCE_TRX_OFF);
+ if (rc)
+ return rc;
/* configure irq polarity, defaults to high active */
if (pdata->irq_type & (IRQF_TRIGGER_FALLING | IRQF_TRIGGER_LOW))
@@ -784,6 +997,14 @@ static int at86rf230_hw_init(struct at86rf230_local *lp)
if (rc)
return rc;
+ get_random_bytes(csma_seed, ARRAY_SIZE(csma_seed));
+ rc = at86rf230_write_subreg(lp, SR_CSMA_SEED_0, csma_seed[0]);
+ if (rc)
+ return rc;
+ rc = at86rf230_write_subreg(lp, SR_CSMA_SEED_1, csma_seed[1]);
+ if (rc)
+ return rc;
+
/* CLKM changes are applied immediately */
rc = at86rf230_write_subreg(lp, SR_CLKM_SHA_SEL, 0x00);
if (rc)
@@ -796,16 +1017,6 @@ static int at86rf230_hw_init(struct at86rf230_local *lp)
/* Wait the next SLEEP cycle */
msleep(100);
- rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_TX_ON);
- if (rc)
- return rc;
- msleep(1);
-
- rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &status);
- if (rc)
- return rc;
- dev_info(&lp->spi->dev, "Status: %02x\n", status);
-
rc = at86rf230_read_subreg(lp, SR_DVDD_OK, &status);
if (rc)
return rc;
@@ -825,14 +1036,38 @@ static int at86rf230_hw_init(struct at86rf230_local *lp)
return 0;
}
-static void at86rf230_fill_data(struct spi_device *spi)
+static struct at86rf230_platform_data *
+at86rf230_get_pdata(struct spi_device *spi)
{
- struct at86rf230_local *lp = spi_get_drvdata(spi);
- struct at86rf230_platform_data *pdata = spi->dev.platform_data;
+ struct at86rf230_platform_data *pdata;
+ const char *irq_type;
+
+ if (!IS_ENABLED(CONFIG_OF) || !spi->dev.of_node)
+ return spi->dev.platform_data;
+
+ pdata = devm_kzalloc(&spi->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ goto done;
+
+ pdata->rstn = of_get_named_gpio(spi->dev.of_node, "reset-gpio", 0);
+ pdata->slp_tr = of_get_named_gpio(spi->dev.of_node, "sleep-gpio", 0);
+
+ pdata->irq_type = IRQF_TRIGGER_RISING;
+ of_property_read_string(spi->dev.of_node, "irq-type", &irq_type);
+ if (!strcmp(irq_type, "level-high"))
+ pdata->irq_type = IRQF_TRIGGER_HIGH;
+ else if (!strcmp(irq_type, "level-low"))
+ pdata->irq_type = IRQF_TRIGGER_LOW;
+ else if (!strcmp(irq_type, "edge-rising"))
+ pdata->irq_type = IRQF_TRIGGER_RISING;
+ else if (!strcmp(irq_type, "edge-falling"))
+ pdata->irq_type = IRQF_TRIGGER_FALLING;
+ else
+ dev_warn(&spi->dev, "wrong irq-type specified using edge-rising\n");
- lp->rstn = pdata->rstn;
- lp->slp_tr = pdata->slp_tr;
- lp->dig2 = pdata->dig2;
+ spi->dev.platform_data = pdata;
+done:
+ return pdata;
}
static int at86rf230_probe(struct spi_device *spi)
@@ -840,133 +1075,146 @@ static int at86rf230_probe(struct spi_device *spi)
struct at86rf230_platform_data *pdata;
struct ieee802154_dev *dev;
struct at86rf230_local *lp;
- u8 man_id_0, man_id_1, status;
+ u16 man_id = 0;
+ u8 part = 0, version = 0, status;
irq_handler_t irq_handler;
work_func_t irq_worker;
- int rc, supported = 0;
+ int rc;
const char *chip;
+ struct ieee802154_ops *ops = NULL;
if (!spi->irq) {
dev_err(&spi->dev, "no IRQ specified\n");
return -EINVAL;
}
- pdata = spi->dev.platform_data;
+ pdata = at86rf230_get_pdata(spi);
if (!pdata) {
dev_err(&spi->dev, "no platform_data\n");
return -EINVAL;
}
- dev = ieee802154_alloc_device(sizeof(*lp), &at86rf230_ops);
- if (!dev)
- return -ENOMEM;
-
- lp = dev->priv;
- lp->dev = dev;
-
- lp->spi = spi;
-
- dev->parent = &spi->dev;
- dev->extra_tx_headroom = 0;
- /* We do support only 2.4 Ghz */
- dev->phy->channels_supported[0] = 0x7FFF800;
- dev->flags = IEEE802154_HW_OMIT_CKSUM;
-
- if (pdata->irq_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) {
- irq_worker = at86rf230_irqwork;
- irq_handler = at86rf230_isr;
- } else {
- irq_worker = at86rf230_irqwork_level;
- irq_handler = at86rf230_isr_level;
+ if (gpio_is_valid(pdata->rstn)) {
+ rc = gpio_request(pdata->rstn, "rstn");
+ if (rc)
+ return rc;
}
- mutex_init(&lp->bmux);
- INIT_WORK(&lp->irqwork, irq_worker);
- spin_lock_init(&lp->lock);
- init_completion(&lp->tx_complete);
-
- spi_set_drvdata(spi, lp);
-
- at86rf230_fill_data(spi);
-
- rc = gpio_request(lp->rstn, "rstn");
- if (rc)
- goto err_rstn;
-
- if (gpio_is_valid(lp->slp_tr)) {
- rc = gpio_request(lp->slp_tr, "slp_tr");
+ if (gpio_is_valid(pdata->slp_tr)) {
+ rc = gpio_request(pdata->slp_tr, "slp_tr");
if (rc)
goto err_slp_tr;
}
- rc = gpio_direction_output(lp->rstn, 1);
- if (rc)
- goto err_gpio_dir;
+ if (gpio_is_valid(pdata->rstn)) {
+ rc = gpio_direction_output(pdata->rstn, 1);
+ if (rc)
+ goto err_gpio_dir;
+ }
- if (gpio_is_valid(lp->slp_tr)) {
- rc = gpio_direction_output(lp->slp_tr, 0);
+ if (gpio_is_valid(pdata->slp_tr)) {
+ rc = gpio_direction_output(pdata->slp_tr, 0);
if (rc)
goto err_gpio_dir;
}
/* Reset */
- msleep(1);
- gpio_set_value(lp->rstn, 0);
- msleep(1);
- gpio_set_value(lp->rstn, 1);
- msleep(1);
+ if (gpio_is_valid(pdata->rstn)) {
+ udelay(1);
+ gpio_set_value(pdata->rstn, 0);
+ udelay(1);
+ gpio_set_value(pdata->rstn, 1);
+ usleep_range(120, 240);
+ }
- rc = at86rf230_read_subreg(lp, SR_MAN_ID_0, &man_id_0);
- if (rc)
- goto err_gpio_dir;
- rc = at86rf230_read_subreg(lp, SR_MAN_ID_1, &man_id_1);
- if (rc)
+ rc = __at86rf230_detect_device(spi, &man_id, &part, &version);
+ if (rc < 0)
goto err_gpio_dir;
- if (man_id_1 != 0x00 || man_id_0 != 0x1f) {
+ if (man_id != 0x001f) {
dev_err(&spi->dev, "Non-Atmel dev found (MAN_ID %02x %02x)\n",
- man_id_1, man_id_0);
+ man_id >> 8, man_id & 0xFF);
rc = -EINVAL;
goto err_gpio_dir;
}
- rc = at86rf230_read_subreg(lp, SR_PART_NUM, &lp->part);
- if (rc)
- goto err_gpio_dir;
-
- rc = at86rf230_read_subreg(lp, SR_VERSION_NUM, &lp->vers);
- if (rc)
- goto err_gpio_dir;
-
- switch (lp->part) {
+ switch (part) {
case 2:
chip = "at86rf230";
- /* supported = 1; FIXME: should be easy to support; */
+ /* FIXME: should be easy to support; */
break;
case 3:
chip = "at86rf231";
- supported = 1;
+ ops = &at86rf230_ops;
+ break;
+ case 7:
+ chip = "at86rf212";
+ if (version == 1)
+ ops = &at86rf212_ops;
+ break;
+ case 11:
+ chip = "at86rf233";
+ ops = &at86rf230_ops;
break;
default:
chip = "UNKNOWN";
break;
}
- dev_info(&spi->dev, "Detected %s chip version %d\n", chip, lp->vers);
- if (!supported) {
+ dev_info(&spi->dev, "Detected %s chip version %d\n", chip, version);
+ if (!ops) {
rc = -ENOTSUPP;
goto err_gpio_dir;
}
+ dev = ieee802154_alloc_device(sizeof(*lp), ops);
+ if (!dev) {
+ rc = -ENOMEM;
+ goto err_gpio_dir;
+ }
+
+ lp = dev->priv;
+ lp->dev = dev;
+ lp->part = part;
+ lp->vers = version;
+
+ lp->spi = spi;
+
+ dev->parent = &spi->dev;
+ dev->extra_tx_headroom = 0;
+ dev->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK;
+
+ if (pdata->irq_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) {
+ irq_worker = at86rf230_irqwork;
+ irq_handler = at86rf230_isr;
+ } else {
+ irq_worker = at86rf230_irqwork_level;
+ irq_handler = at86rf230_isr_level;
+ }
+
+ mutex_init(&lp->bmux);
+ INIT_WORK(&lp->irqwork, irq_worker);
+ spin_lock_init(&lp->lock);
+ init_completion(&lp->tx_complete);
+
+ spi_set_drvdata(spi, lp);
+
+ if (is_rf212(lp)) {
+ dev->phy->channels_supported[0] = 0x00007FF;
+ dev->phy->channels_supported[2] = 0x00007FF;
+ } else {
+ dev->phy->channels_supported[0] = 0x7FFF800;
+ }
+
rc = at86rf230_hw_init(lp);
if (rc)
- goto err_gpio_dir;
+ goto err_hw_init;
rc = request_irq(spi->irq, irq_handler,
IRQF_SHARED | pdata->irq_type,
dev_name(&spi->dev), lp);
if (rc)
- goto err_gpio_dir;
+ goto err_hw_init;
/* Read irq status register to reset irq line */
rc = at86rf230_read_subreg(lp, RG_IRQ_STATUS, 0xff, 0, &status);
@@ -981,30 +1229,37 @@ static int at86rf230_probe(struct spi_device *spi)
err_irq:
free_irq(spi->irq, lp);
+err_hw_init:
flush_work(&lp->irqwork);
-err_gpio_dir:
- if (gpio_is_valid(lp->slp_tr))
- gpio_free(lp->slp_tr);
-err_slp_tr:
- gpio_free(lp->rstn);
-err_rstn:
+ spi_set_drvdata(spi, NULL);
mutex_destroy(&lp->bmux);
ieee802154_free_device(lp->dev);
+
+err_gpio_dir:
+ if (gpio_is_valid(pdata->slp_tr))
+ gpio_free(pdata->slp_tr);
+err_slp_tr:
+ if (gpio_is_valid(pdata->rstn))
+ gpio_free(pdata->rstn);
return rc;
}
static int at86rf230_remove(struct spi_device *spi)
{
struct at86rf230_local *lp = spi_get_drvdata(spi);
+ struct at86rf230_platform_data *pdata = spi->dev.platform_data;
+ /* mask all at86rf230 irq's */
+ at86rf230_write_subreg(lp, SR_IRQ_MASK, 0);
ieee802154_unregister_device(lp->dev);
free_irq(spi->irq, lp);
flush_work(&lp->irqwork);
- if (gpio_is_valid(lp->slp_tr))
- gpio_free(lp->slp_tr);
- gpio_free(lp->rstn);
+ if (gpio_is_valid(pdata->slp_tr))
+ gpio_free(pdata->slp_tr);
+ if (gpio_is_valid(pdata->rstn))
+ gpio_free(pdata->rstn);
mutex_destroy(&lp->bmux);
ieee802154_free_device(lp->dev);
@@ -1013,8 +1268,19 @@ static int at86rf230_remove(struct spi_device *spi)
return 0;
}
+#if IS_ENABLED(CONFIG_OF)
+static struct of_device_id at86rf230_of_match[] = {
+ { .compatible = "atmel,at86rf230", },
+ { .compatible = "atmel,at86rf231", },
+ { .compatible = "atmel,at86rf233", },
+ { .compatible = "atmel,at86rf212", },
+ { },
+};
+#endif
+
static struct spi_driver at86rf230_driver = {
.driver = {
+ .of_match_table = of_match_ptr(at86rf230_of_match),
.name = "at86rf230",
.owner = THIS_MODULE,
},
diff --git a/drivers/net/ieee802154/fakehard.c b/drivers/net/ieee802154/fakehard.c
index bf0d55e2dd63..78f18be3bbf2 100644
--- a/drivers/net/ieee802154/fakehard.c
+++ b/drivers/net/ieee802154/fakehard.c
@@ -63,11 +63,11 @@ static struct wpan_phy *fake_get_phy(const struct net_device *dev)
*
* Return the ID of the PAN from the PIB.
*/
-static u16 fake_get_pan_id(const struct net_device *dev)
+static __le16 fake_get_pan_id(const struct net_device *dev)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
- return 0xeba1;
+ return cpu_to_le16(0xeba1);
}
/**
@@ -78,11 +78,11 @@ static u16 fake_get_pan_id(const struct net_device *dev)
* device. If the device has not yet had a short address assigned
* then this should return 0xFFFF to indicate a lack of association.
*/
-static u16 fake_get_short_addr(const struct net_device *dev)
+static __le16 fake_get_short_addr(const struct net_device *dev)
{
BUG_ON(dev->type != ARPHRD_IEEE802154);
- return 0x1;
+ return cpu_to_le16(0x1);
}
/**
@@ -149,7 +149,7 @@ static int fake_assoc_req(struct net_device *dev,
* 802.15.4-2006 document.
*/
static int fake_assoc_resp(struct net_device *dev,
- struct ieee802154_addr *addr, u16 short_addr, u8 status)
+ struct ieee802154_addr *addr, __le16 short_addr, u8 status)
{
return 0;
}
@@ -191,10 +191,10 @@ static int fake_disassoc_req(struct net_device *dev,
* Note: This is in section 7.5.2.3 of the IEEE 802.15.4-2006
* document, with 7.3.8 describing coordinator realignment.
*/
-static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
- u8 channel, u8 page,
- u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx,
- u8 coord_realign)
+static int fake_start_req(struct net_device *dev,
+ struct ieee802154_addr *addr, u8 channel, u8 page,
+ u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx,
+ u8 coord_realign)
{
struct wpan_phy *phy = fake_to_phy(dev);
@@ -281,8 +281,8 @@ static int ieee802154_fake_ioctl(struct net_device *dev, struct ifreq *ifr,
switch (cmd) {
case SIOCGIFADDR:
/* FIXME: fixed here, get from device IRL */
- pan_id = fake_get_pan_id(dev);
- short_addr = fake_get_short_addr(dev);
+ pan_id = le16_to_cpu(fake_get_pan_id(dev));
+ short_addr = le16_to_cpu(fake_get_short_addr(dev));
if (pan_id == IEEE802154_PANID_BROADCAST ||
short_addr == IEEE802154_ADDR_BROADCAST)
return -EADDRNOTAVAIL;
diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
index 246befa4ba05..78a6552ed707 100644
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -465,8 +465,8 @@ static int mrf24j40_filter(struct ieee802154_dev *dev,
if (changed & IEEE802515_AFILT_SADDR_CHANGED) {
/* Short Addr */
u8 addrh, addrl;
- addrh = filt->short_addr >> 8 & 0xff;
- addrl = filt->short_addr & 0xff;
+ addrh = le16_to_cpu(filt->short_addr) >> 8 & 0xff;
+ addrl = le16_to_cpu(filt->short_addr) & 0xff;
write_short_reg(devrec, REG_SADRH, addrh);
write_short_reg(devrec, REG_SADRL, addrl);
@@ -476,15 +476,16 @@ static int mrf24j40_filter(struct ieee802154_dev *dev,
if (changed & IEEE802515_AFILT_IEEEADDR_CHANGED) {
/* Device Address */
- int i;
+ u8 i, addr[8];
+
+ memcpy(addr, &filt->ieee_addr, 8);
for (i = 0; i < 8; i++)
- write_short_reg(devrec, REG_EADR0+i,
- filt->ieee_addr[7-i]);
+ write_short_reg(devrec, REG_EADR0 + i, addr[i]);
#ifdef DEBUG
printk(KERN_DEBUG "Set long addr to: ");
for (i = 0; i < 8; i++)
- printk("%02hhx ", filt->ieee_addr[i]);
+ printk("%02hhx ", addr[7 - i]);
printk(KERN_DEBUG "\n");
#endif
}
@@ -492,8 +493,8 @@ static int mrf24j40_filter(struct ieee802154_dev *dev,
if (changed & IEEE802515_AFILT_PANID_CHANGED) {
/* PAN ID */
u8 panidl, panidh;
- panidh = filt->pan_id >> 8 & 0xff;
- panidl = filt->pan_id & 0xff;
+ panidh = le16_to_cpu(filt->pan_id) >> 8 & 0xff;
+ panidl = le16_to_cpu(filt->pan_id) & 0xff;
write_short_reg(devrec, REG_PANIDH, panidh);
write_short_reg(devrec, REG_PANIDL, panidl);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-19 11:06:34 +0000