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path: root/drivers/net/ieee802154/atusb.c
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Diffstat (limited to 'drivers/net/ieee802154/atusb.c')
-rw-r--r--drivers/net/ieee802154/atusb.c392
1 files changed, 313 insertions, 79 deletions
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index ef688518ad77..9fb9b565a002 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -21,6 +21,9 @@
*
* USB initialization is
* Copyright (c) 2013 Alexander Aring <alex.aring@gmail.com>
+ *
+ * Busware HUL support is
+ * Copyright (c) 2017 Josef Filzmaier <j.filzmaier@gmx.at>
*/
#include <linux/kernel.h>
@@ -45,6 +48,7 @@
struct atusb {
struct ieee802154_hw *hw;
struct usb_device *usb_dev;
+ struct atusb_chip_data *data;
int shutdown; /* non-zero if shutting down */
int err; /* set by first error */
@@ -57,7 +61,7 @@ struct atusb {
struct usb_ctrlrequest tx_dr;
struct urb *tx_urb;
struct sk_buff *tx_skb;
- uint8_t tx_ack_seq; /* current TX ACK sequence number */
+ u8 tx_ack_seq; /* current TX ACK sequence number */
/* Firmware variable */
unsigned char fw_ver_maj; /* Firmware major version number */
@@ -65,6 +69,14 @@ struct atusb {
unsigned char fw_hw_type; /* Firmware hardware type */
};
+struct atusb_chip_data {
+ u16 t_channel_switch;
+ int rssi_base_val;
+
+ int (*set_channel)(struct ieee802154_hw*, u8, u8);
+ int (*set_txpower)(struct ieee802154_hw*, s32);
+};
+
/* ----- USB commands without data ----------------------------------------- */
/* To reduce the number of error checks in the code, we record the first error
@@ -87,44 +99,43 @@ static int atusb_control_msg(struct atusb *atusb, unsigned int pipe,
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);
+ "%s: req 0x%02x val 0x%x idx 0x%x, error %d\n",
+ __func__, request, value, index, ret);
}
return ret;
}
-static int atusb_command(struct atusb *atusb, uint8_t cmd, uint8_t arg)
+static int atusb_command(struct atusb *atusb, u8 cmd, u8 arg)
{
struct usb_device *usb_dev = atusb->usb_dev;
- dev_dbg(&usb_dev->dev, "atusb_command: cmd = 0x%x\n", cmd);
+ dev_dbg(&usb_dev->dev, "%s: cmd = 0x%x\n", __func__, 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)
+static int atusb_write_reg(struct atusb *atusb, u8 reg, u8 value)
{
struct usb_device *usb_dev = atusb->usb_dev;
- dev_dbg(&usb_dev->dev, "atusb_write_reg: 0x%02x <- 0x%02x\n",
- reg, value);
+ dev_dbg(&usb_dev->dev, "%s: 0x%02x <- 0x%02x\n", __func__, 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)
+static int atusb_read_reg(struct atusb *atusb, u8 reg)
{
struct usb_device *usb_dev = atusb->usb_dev;
int ret;
- uint8_t *buffer;
- uint8_t value;
+ u8 *buffer;
+ u8 value;
buffer = kmalloc(1, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
- dev_dbg(&usb_dev->dev, "atusb: reg = 0x%x\n", reg);
+ dev_dbg(&usb_dev->dev, "%s: reg = 0x%x\n", __func__, reg);
ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
ATUSB_REG_READ, ATUSB_REQ_FROM_DEV,
0, reg, buffer, 1, 1000);
@@ -139,15 +150,14 @@ static int atusb_read_reg(struct atusb *atusb, uint8_t reg)
}
}
-static int atusb_write_subreg(struct atusb *atusb, uint8_t reg, uint8_t mask,
- uint8_t shift, uint8_t value)
+static int atusb_write_subreg(struct atusb *atusb, u8 reg, u8 mask,
+ u8 shift, u8 value)
{
struct usb_device *usb_dev = atusb->usb_dev;
- uint8_t orig, tmp;
+ u8 orig, tmp;
int ret = 0;
- dev_dbg(&usb_dev->dev, "atusb_write_subreg: 0x%02x <- 0x%02x\n",
- reg, value);
+ dev_dbg(&usb_dev->dev, "%s: 0x%02x <- 0x%02x\n", __func__, reg, value);
orig = atusb_read_reg(atusb, reg);
@@ -163,6 +173,18 @@ static int atusb_write_subreg(struct atusb *atusb, uint8_t reg, uint8_t mask,
return ret;
}
+static int atusb_read_subreg(struct atusb *lp,
+ unsigned int addr, unsigned int mask,
+ unsigned int shift)
+{
+ int rc;
+
+ rc = atusb_read_reg(lp, addr);
+ rc = (rc & mask) >> shift;
+
+ return rc;
+}
+
static int atusb_get_and_clear_error(struct atusb *atusb)
{
int err = atusb->err;
@@ -237,12 +259,12 @@ static void atusb_work_urbs(struct work_struct *work)
/* ----- Asynchronous USB -------------------------------------------------- */
-static void atusb_tx_done(struct atusb *atusb, uint8_t seq)
+static void atusb_tx_done(struct atusb *atusb, u8 seq)
{
struct usb_device *usb_dev = atusb->usb_dev;
- uint8_t expect = atusb->tx_ack_seq;
+ u8 expect = atusb->tx_ack_seq;
- dev_dbg(&usb_dev->dev, "atusb_tx_done (0x%02x/0x%02x)\n", seq, expect);
+ dev_dbg(&usb_dev->dev, "%s (0x%02x/0x%02x)\n", __func__, seq, expect);
if (seq == expect) {
/* TODO check for ifs handling in firmware */
ieee802154_xmit_complete(atusb->hw, atusb->tx_skb, false);
@@ -263,7 +285,7 @@ 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;
+ u8 len, lqi;
if (!urb->actual_length) {
dev_dbg(&usb_dev->dev, "atusb_in: zero-sized URB ?\n");
@@ -302,7 +324,7 @@ static void atusb_in(struct urb *urb)
struct sk_buff *skb = urb->context;
struct atusb *atusb = SKB_ATUSB(skb);
- dev_dbg(&usb_dev->dev, "atusb_in: status %d len %d\n",
+ dev_dbg(&usb_dev->dev, "%s: status %d len %d\n", __func__,
urb->status, urb->actual_length);
if (urb->status) {
if (urb->status == -ENOENT) { /* being killed */
@@ -310,7 +332,7 @@ static void atusb_in(struct urb *urb)
urb->context = NULL;
return;
}
- dev_dbg(&usb_dev->dev, "atusb_in: URB error %d\n", urb->status);
+ dev_dbg(&usb_dev->dev, "%s: URB error %d\n", __func__, urb->status);
} else {
atusb_in_good(urb);
}
@@ -364,7 +386,7 @@ static int atusb_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
struct usb_device *usb_dev = atusb->usb_dev;
int ret;
- dev_dbg(&usb_dev->dev, "atusb_xmit (%d)\n", skb->len);
+ dev_dbg(&usb_dev->dev, "%s (%d)\n", __func__, skb->len);
atusb->tx_skb = skb;
atusb->tx_ack_seq++;
atusb->tx_dr.wIndex = cpu_to_le16(atusb->tx_ack_seq);
@@ -375,25 +397,13 @@ static int atusb_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
(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);
+ dev_dbg(&usb_dev->dev, "%s done (%d)\n", __func__, ret);
return ret;
}
-static int atusb_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
-{
- struct atusb *atusb = hw->priv;
- int ret;
-
- ret = atusb_write_subreg(atusb, SR_CHANNEL, 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);
+ WARN_ON(!level);
*level = 0xbe;
return 0;
}
@@ -408,7 +418,7 @@ static int atusb_set_hw_addr_filt(struct ieee802154_hw *hw,
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");
+ dev_vdbg(dev, "%s called for saddr\n", __func__);
atusb_write_reg(atusb, RG_SHORT_ADDR_0, addr);
atusb_write_reg(atusb, RG_SHORT_ADDR_1, addr >> 8);
}
@@ -416,7 +426,7 @@ static int atusb_set_hw_addr_filt(struct ieee802154_hw *hw,
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");
+ dev_vdbg(dev, "%s called for pan id\n", __func__);
atusb_write_reg(atusb, RG_PAN_ID_0, pan);
atusb_write_reg(atusb, RG_PAN_ID_1, pan >> 8);
}
@@ -425,14 +435,13 @@ static int atusb_set_hw_addr_filt(struct ieee802154_hw *hw,
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");
+ dev_vdbg(dev, "%s called for IEEE addr\n", __func__);
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");
+ dev_vdbg(dev, "%s called for panc change\n", __func__);
if (filt->pan_coord)
atusb_write_subreg(atusb, SR_AACK_I_AM_COORD, 1);
else
@@ -448,7 +457,7 @@ static int atusb_start(struct ieee802154_hw *hw)
struct usb_device *usb_dev = atusb->usb_dev;
int ret;
- dev_dbg(&usb_dev->dev, "atusb_start\n");
+ dev_dbg(&usb_dev->dev, "%s\n", __func__);
schedule_delayed_work(&atusb->work, 0);
atusb_command(atusb, ATUSB_RX_MODE, 1);
ret = atusb_get_and_clear_error(atusb);
@@ -462,7 +471,7 @@ 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");
+ dev_dbg(&usb_dev->dev, "%s\n", __func__);
usb_kill_anchored_urbs(&atusb->idle_urbs);
atusb_command(atusb, ATUSB_RX_MODE, 0);
atusb_get_and_clear_error(atusb);
@@ -475,6 +484,17 @@ static const s32 atusb_powers[ATUSB_MAX_TX_POWERS + 1] = {
};
static int
+atusb_txpower(struct ieee802154_hw *hw, s32 mbm)
+{
+ struct atusb *atusb = hw->priv;
+
+ if (atusb->data)
+ return atusb->data->set_txpower(hw, mbm);
+ else
+ return -ENOTSUPP;
+}
+
+static int
atusb_set_txpower(struct ieee802154_hw *hw, s32 mbm)
{
struct atusb *atusb = hw->priv;
@@ -488,12 +508,43 @@ atusb_set_txpower(struct ieee802154_hw *hw, s32 mbm)
return -EINVAL;
}
+static int
+hulusb_set_txpower(struct ieee802154_hw *hw, s32 mbm)
+{
+ 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(hw->priv, SR_TX_PWR_212, i);
+ }
+
+ return -EINVAL;
+}
+
#define ATUSB_MAX_ED_LEVELS 0xF
static const s32 atusb_ed_levels[ATUSB_MAX_ED_LEVELS + 1] = {
-9100, -8900, -8700, -8500, -8300, -8100, -7900, -7700, -7500, -7300,
-7100, -6900, -6700, -6500, -6300, -6100,
};
+#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,
+};
+
+#define AT86RF2XX_MAX_ED_LEVELS 0xF
+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 int
atusb_set_cca_mode(struct ieee802154_hw *hw, const struct wpan_phy_cca *cca)
{
@@ -527,6 +578,30 @@ atusb_set_cca_mode(struct ieee802154_hw *hw, const struct wpan_phy_cca *cca)
return atusb_write_subreg(atusb, SR_CCA_MODE, val);
}
+static int hulusb_set_cca_ed_level(struct atusb *lp, int rssi_base_val)
+{
+ unsigned int cca_ed_thres;
+
+ cca_ed_thres = atusb_read_subreg(lp, SR_CCA_ED_THRES);
+
+ 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
atusb_set_cca_ed_level(struct ieee802154_hw *hw, s32 mbm)
{
@@ -541,6 +616,92 @@ atusb_set_cca_ed_level(struct ieee802154_hw *hw, s32 mbm)
return -EINVAL;
}
+static int atusb_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
+{
+ struct atusb *atusb = hw->priv;
+ int ret = -ENOTSUPP;
+
+ if (atusb->data) {
+ ret = atusb->data->set_channel(hw, page, channel);
+ /* @@@ ugly synchronization */
+ msleep(atusb->data->t_channel_switch);
+ }
+
+ return ret;
+}
+
+static int atusb_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
+{
+ struct atusb *atusb = hw->priv;
+ int ret;
+
+ ret = atusb_write_subreg(atusb, SR_CHANNEL, channel);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+static int hulusb_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
+{
+ int rc;
+ int rssi_base_val;
+
+ struct atusb *lp = hw->priv;
+
+ if (channel == 0)
+ rc = atusb_write_subreg(lp, SR_SUB_MODE, 0);
+ else
+ rc = atusb_write_subreg(lp, SR_SUB_MODE, 1);
+ if (rc < 0)
+ return rc;
+
+ if (page == 0) {
+ rc = atusb_write_subreg(lp, SR_BPSK_QPSK, 0);
+ rssi_base_val = -100;
+ } else {
+ rc = atusb_write_subreg(lp, SR_BPSK_QPSK, 1);
+ rssi_base_val = -98;
+ }
+ if (rc < 0)
+ return rc;
+
+ rc = hulusb_set_cca_ed_level(lp, 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.
+ * If we do that in cfg802154, this is a more generic calculation.
+ *
+ * This should also protected from ifs_timer. Means cancel timer and
+ * init with a new value. For now, this is okay.
+ */
+ if (channel == 0) {
+ if (page == 0) {
+ /* SUB:0 and BPSK:0 -> BPSK-20 */
+ lp->hw->phy->symbol_duration = 50;
+ } else {
+ /* SUB:1 and BPSK:0 -> BPSK-40 */
+ lp->hw->phy->symbol_duration = 25;
+ }
+ } else {
+ if (page == 0)
+ /* SUB:0 and BPSK:1 -> OQPSK-100/200/400 */
+ lp->hw->phy->symbol_duration = 40;
+ else
+ /* SUB:1 and BPSK:1 -> OQPSK-250/500/1000 */
+ lp->hw->phy->symbol_duration = 16;
+ }
+
+ lp->hw->phy->lifs_period = IEEE802154_LIFS_PERIOD *
+ lp->hw->phy->symbol_duration;
+ lp->hw->phy->sifs_period = IEEE802154_SIFS_PERIOD *
+ lp->hw->phy->symbol_duration;
+
+ return atusb_write_subreg(lp, SR_CHANNEL, channel);
+}
+
static int
atusb_set_csma_params(struct ieee802154_hw *hw, u8 min_be, u8 max_be, u8 retries)
{
@@ -559,6 +720,14 @@ atusb_set_csma_params(struct ieee802154_hw *hw, u8 min_be, u8 max_be, u8 retries
}
static int
+hulusb_set_lbt(struct ieee802154_hw *hw, bool on)
+{
+ struct atusb *atusb = hw->priv;
+
+ return atusb_write_subreg(atusb, SR_CSMA_LBT_MODE, on);
+}
+
+static int
atusb_set_frame_retries(struct ieee802154_hw *hw, s8 retries)
{
struct atusb *atusb = hw->priv;
@@ -593,6 +762,20 @@ atusb_set_promiscuous_mode(struct ieee802154_hw *hw, const bool on)
return 0;
}
+static struct atusb_chip_data atusb_chip_data = {
+ .t_channel_switch = 1,
+ .rssi_base_val = -91,
+ .set_txpower = atusb_set_txpower,
+ .set_channel = atusb_set_channel,
+};
+
+static struct atusb_chip_data hulusb_chip_data = {
+ .t_channel_switch = 11,
+ .rssi_base_val = -100,
+ .set_txpower = hulusb_set_txpower,
+ .set_channel = hulusb_set_channel,
+};
+
static const struct ieee802154_ops atusb_ops = {
.owner = THIS_MODULE,
.xmit_async = atusb_xmit,
@@ -601,7 +784,8 @@ static const struct ieee802154_ops atusb_ops = {
.start = atusb_start,
.stop = atusb_stop,
.set_hw_addr_filt = atusb_set_hw_addr_filt,
- .set_txpower = atusb_set_txpower,
+ .set_txpower = atusb_txpower,
+ .set_lbt = hulusb_set_lbt,
.set_cca_mode = atusb_set_cca_mode,
.set_cca_ed_level = atusb_set_cca_ed_level,
.set_csma_params = atusb_set_csma_params,
@@ -614,6 +798,7 @@ static const struct ieee802154_ops atusb_ops = {
static int atusb_get_and_show_revision(struct atusb *atusb)
{
struct usb_device *usb_dev = atusb->usb_dev;
+ char *hw_name;
unsigned char *buffer;
int ret;
@@ -630,9 +815,32 @@ static int atusb_get_and_show_revision(struct atusb *atusb)
atusb->fw_ver_min = buffer[1];
atusb->fw_hw_type = buffer[2];
+ switch (atusb->fw_hw_type) {
+ case ATUSB_HW_TYPE_100813:
+ case ATUSB_HW_TYPE_101216:
+ case ATUSB_HW_TYPE_110131:
+ hw_name = "ATUSB";
+ atusb->data = &atusb_chip_data;
+ break;
+ case ATUSB_HW_TYPE_RZUSB:
+ hw_name = "RZUSB";
+ atusb->data = &atusb_chip_data;
+ break;
+ case ATUSB_HW_TYPE_HULUSB:
+ hw_name = "HULUSB";
+ atusb->data = &hulusb_chip_data;
+ break;
+ default:
+ hw_name = "UNKNOWN";
+ atusb->err = -ENOTSUPP;
+ ret = -ENOTSUPP;
+ break;
+ }
+
dev_info(&usb_dev->dev,
- "Firmware: major: %u, minor: %u, hardware type: %u\n",
- atusb->fw_ver_maj, atusb->fw_ver_min, atusb->fw_hw_type);
+ "Firmware: major: %u, minor: %u, hardware type: %s (%d)\n",
+ atusb->fw_ver_maj, atusb->fw_ver_min, hw_name,
+ atusb->fw_hw_type);
}
if (atusb->fw_ver_maj == 0 && atusb->fw_ver_min < 2) {
dev_info(&usb_dev->dev,
@@ -667,11 +875,12 @@ static int atusb_get_and_show_build(struct atusb *atusb)
return ret;
}
-static int atusb_get_and_show_chip(struct atusb *atusb)
+static int atusb_get_and_conf_chip(struct atusb *atusb)
{
struct usb_device *usb_dev = atusb->usb_dev;
- uint8_t man_id_0, man_id_1, part_num, version_num;
+ u8 man_id_0, man_id_1, part_num, version_num;
const char *chip;
+ struct ieee802154_hw *hw = atusb->hw;
man_id_0 = atusb_read_reg(atusb, RG_MAN_ID_0);
man_id_1 = atusb_read_reg(atusb, RG_MAN_ID_1);
@@ -681,6 +890,22 @@ static int atusb_get_and_show_chip(struct atusb *atusb)
if (atusb->err)
return atusb->err;
+ hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
+ IEEE802154_HW_PROMISCUOUS | IEEE802154_HW_CSMA_PARAMS;
+
+ hw->phy->flags = WPAN_PHY_FLAG_TXPOWER | WPAN_PHY_FLAG_CCA_ED_LEVEL |
+ WPAN_PHY_FLAG_CCA_MODE;
+
+ hw->phy->supported.cca_modes = BIT(NL802154_CCA_ENERGY) |
+ BIT(NL802154_CCA_CARRIER) |
+ BIT(NL802154_CCA_ENERGY_CARRIER);
+ hw->phy->supported.cca_opts = BIT(NL802154_CCA_OPT_ENERGY_CARRIER_AND) |
+ BIT(NL802154_CCA_OPT_ENERGY_CARRIER_OR);
+
+ hw->phy->cca.mode = NL802154_CCA_ENERGY;
+
+ hw->phy->current_page = 0;
+
if ((man_id_1 << 8 | man_id_0) != ATUSB_JEDEC_ATMEL) {
dev_err(&usb_dev->dev,
"non-Atmel transceiver xxxx%02x%02x\n",
@@ -691,9 +916,36 @@ static int atusb_get_and_show_chip(struct atusb *atusb)
switch (part_num) {
case 2:
chip = "AT86RF230";
+ atusb->hw->phy->supported.channels[0] = 0x7FFF800;
+ atusb->hw->phy->current_channel = 11; /* reset default */
+ atusb->hw->phy->symbol_duration = 16;
+ atusb->hw->phy->supported.tx_powers = atusb_powers;
+ atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
+ hw->phy->supported.cca_ed_levels = atusb_ed_levels;
+ hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(atusb_ed_levels);
break;
case 3:
chip = "AT86RF231";
+ atusb->hw->phy->supported.channels[0] = 0x7FFF800;
+ atusb->hw->phy->current_channel = 11; /* reset default */
+ atusb->hw->phy->symbol_duration = 16;
+ atusb->hw->phy->supported.tx_powers = atusb_powers;
+ atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);
+ hw->phy->supported.cca_ed_levels = atusb_ed_levels;
+ hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(atusb_ed_levels);
+ break;
+ case 7:
+ chip = "AT86RF212";
+ atusb->hw->flags |= IEEE802154_HW_LBT;
+ atusb->hw->phy->supported.channels[0] = 0x00007FF;
+ atusb->hw->phy->supported.channels[2] = 0x00007FF;
+ atusb->hw->phy->current_channel = 5;
+ atusb->hw->phy->symbol_duration = 25;
+ atusb->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH;
+ atusb->hw->phy->supported.tx_powers = at86rf212_powers;
+ atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers);
+ atusb->hw->phy->supported.cca_ed_levels = at86rf212_ed_levels_100;
+ atusb->hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(at86rf212_ed_levels_100);
break;
default:
dev_err(&usb_dev->dev,
@@ -702,6 +954,9 @@ static int atusb_get_and_show_chip(struct atusb *atusb)
goto fail;
}
+ hw->phy->transmit_power = hw->phy->supported.tx_powers[0];
+ hw->phy->cca_ed_level = hw->phy->supported.cca_ed_levels[7];
+
dev_info(&usb_dev->dev, "ATUSB: %s version %d\n", chip, version_num);
return 0;
@@ -720,7 +975,8 @@ static int atusb_set_extended_addr(struct atusb *atusb)
int ret;
/* Firmware versions before 0.3 do not support the EUI64_READ command.
- * Just use a random address and be done */
+ * Just use a random address and be done.
+ */
if (atusb->fw_ver_maj == 0 && atusb->fw_ver_min < 3) {
ieee802154_random_extended_addr(&atusb->hw->phy->perm_extended_addr);
return 0;
@@ -750,7 +1006,7 @@ static int atusb_set_extended_addr(struct atusb *atusb)
atusb->hw->phy->perm_extended_addr = extended_addr;
addr = swab64((__force u64)atusb->hw->phy->perm_extended_addr);
dev_info(&usb_dev->dev, "Read permanent extended address %8phC from device\n",
- &addr);
+ &addr);
}
kfree(buffer);
@@ -794,37 +1050,14 @@ static int atusb_probe(struct usb_interface *interface,
goto fail;
hw->parent = &usb_dev->dev;
- hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT |
- IEEE802154_HW_PROMISCUOUS | IEEE802154_HW_CSMA_PARAMS;
-
- hw->phy->flags = WPAN_PHY_FLAG_TXPOWER | WPAN_PHY_FLAG_CCA_ED_LEVEL |
- WPAN_PHY_FLAG_CCA_MODE;
-
- hw->phy->supported.cca_modes = BIT(NL802154_CCA_ENERGY) |
- BIT(NL802154_CCA_CARRIER) | BIT(NL802154_CCA_ENERGY_CARRIER);
- hw->phy->supported.cca_opts = BIT(NL802154_CCA_OPT_ENERGY_CARRIER_AND) |
- BIT(NL802154_CCA_OPT_ENERGY_CARRIER_OR);
-
- hw->phy->supported.cca_ed_levels = atusb_ed_levels;
- hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(atusb_ed_levels);
-
- hw->phy->cca.mode = NL802154_CCA_ENERGY;
-
- 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];
- hw->phy->cca_ed_level = hw->phy->supported.cca_ed_levels[7];
atusb_command(atusb, ATUSB_RF_RESET, 0);
- atusb_get_and_show_chip(atusb);
+ atusb_get_and_conf_chip(atusb);
atusb_get_and_show_revision(atusb);
atusb_get_and_show_build(atusb);
atusb_set_extended_addr(atusb);
- if (atusb->fw_ver_maj >= 0 && atusb->fw_ver_min >= 3)
+ if ((atusb->fw_ver_maj == 0 && atusb->fw_ver_min >= 3) || atusb->fw_ver_maj > 0)
hw->flags |= IEEE802154_HW_FRAME_RETRIES;
ret = atusb_get_and_clear_error(atusb);
@@ -895,7 +1128,7 @@ static void atusb_disconnect(struct usb_interface *interface)
{
struct atusb *atusb = usb_get_intfdata(interface);
- dev_dbg(&atusb->usb_dev->dev, "atusb_disconnect\n");
+ dev_dbg(&atusb->usb_dev->dev, "%s\n", __func__);
atusb->shutdown = 1;
cancel_delayed_work_sync(&atusb->work);
@@ -912,7 +1145,7 @@ static void atusb_disconnect(struct usb_interface *interface)
usb_set_intfdata(interface, NULL);
usb_put_dev(atusb->usb_dev);
- pr_debug("atusb_disconnect done\n");
+ pr_debug("%s done\n", __func__);
}
/* The devices we work with */
@@ -941,5 +1174,6 @@ 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_AUTHOR("Josef Filzmaier <j.filzmaier@gmx.at>");
MODULE_DESCRIPTION("ATUSB IEEE 802.15.4 Driver");
MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.