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path: root/drivers/bluetooth/btnxpuart.c
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Diffstat (limited to 'drivers/bluetooth/btnxpuart.c')
-rw-r--r--drivers/bluetooth/btnxpuart.c81
1 files changed, 65 insertions, 16 deletions
diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c
index 5ea0d23e88c0..569f5b7d6e46 100644
--- a/drivers/bluetooth/btnxpuart.c
+++ b/drivers/bluetooth/btnxpuart.c
@@ -16,6 +16,7 @@
#include <linux/crc8.h>
#include <linux/crc32.h>
#include <linux/string_helpers.h>
+#include <linux/gpio/consumer.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -34,16 +35,17 @@
/* NXP HW err codes */
#define BTNXPUART_IR_HW_ERR 0xb0
-#define FIRMWARE_W8987 "uart8987_bt_v0.bin"
+#define FIRMWARE_W8987 "uart8987_bt.bin"
#define FIRMWARE_W8987_OLD "uartuart8987_bt.bin"
#define FIRMWARE_W8997 "uart8997_bt_v4.bin"
#define FIRMWARE_W8997_OLD "uartuart8997_bt_v4.bin"
#define FIRMWARE_W9098 "uart9098_bt_v1.bin"
#define FIRMWARE_W9098_OLD "uartuart9098_bt_v1.bin"
-#define FIRMWARE_IW416 "uartiw416_bt_v0.bin"
+#define FIRMWARE_IW416 "uartiw416_bt.bin"
+#define FIRMWARE_IW416_OLD "uartiw416_bt_v0.bin"
#define FIRMWARE_IW612 "uartspi_n61x_v1.bin.se"
-#define FIRMWARE_IW615 "uartspi_iw610_v0.bin"
-#define FIRMWARE_SECURE_IW615 "uartspi_iw610_v0.bin.se"
+#define FIRMWARE_IW610 "uartspi_iw610.bin"
+#define FIRMWARE_SECURE_IW610 "uartspi_iw610.bin.se"
#define FIRMWARE_IW624 "uartiw624_bt.bin"
#define FIRMWARE_SECURE_IW624 "uartiw624_bt.bin.se"
#define FIRMWARE_AW693 "uartaw693_bt.bin"
@@ -59,8 +61,8 @@
#define CHIP_ID_IW624c 0x8001
#define CHIP_ID_AW693a0 0x8200
#define CHIP_ID_AW693a1 0x8201
-#define CHIP_ID_IW615a0 0x8800
-#define CHIP_ID_IW615a1 0x8801
+#define CHIP_ID_IW610a0 0x8800
+#define CHIP_ID_IW610a1 0x8801
#define FW_SECURE_MASK 0xc0
#define FW_OPEN 0x00
@@ -81,6 +83,7 @@
#define WAKEUP_METHOD_BREAK 1
#define WAKEUP_METHOD_EXT_BREAK 2
#define WAKEUP_METHOD_RTS 3
+#define WAKEUP_METHOD_GPIO 4
#define WAKEUP_METHOD_INVALID 0xff
/* power save mode status */
@@ -134,6 +137,7 @@ struct ps_data {
bool driver_sent_cmd;
u16 h2c_ps_interval;
u16 c2h_ps_interval;
+ struct gpio_desc *h2c_ps_gpio;
struct hci_dev *hdev;
struct work_struct work;
struct timer_list ps_timer;
@@ -364,7 +368,7 @@ static void ps_control(struct hci_dev *hdev, u8 ps_state)
{
struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
struct ps_data *psdata = &nxpdev->psdata;
- int status;
+ int status = 0;
if (psdata->ps_state == ps_state ||
!test_bit(BTNXPUART_SERDEV_OPEN, &nxpdev->tx_state))
@@ -372,6 +376,14 @@ static void ps_control(struct hci_dev *hdev, u8 ps_state)
mutex_lock(&psdata->ps_lock);
switch (psdata->cur_h2c_wakeupmode) {
+ case WAKEUP_METHOD_GPIO:
+ if (ps_state == PS_STATE_AWAKE)
+ gpiod_set_value_cansleep(psdata->h2c_ps_gpio, 0);
+ else
+ gpiod_set_value_cansleep(psdata->h2c_ps_gpio, 1);
+ bt_dev_dbg(hdev, "Set h2c_ps_gpio: %s",
+ str_high_low(ps_state == PS_STATE_SLEEP));
+ break;
case WAKEUP_METHOD_DTR:
if (ps_state == PS_STATE_AWAKE)
status = serdev_device_set_tiocm(nxpdev->serdev, TIOCM_DTR, 0);
@@ -421,15 +433,29 @@ static void ps_timeout_func(struct timer_list *t)
}
}
-static void ps_setup(struct hci_dev *hdev)
+static int ps_setup(struct hci_dev *hdev)
{
struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
+ struct serdev_device *serdev = nxpdev->serdev;
struct ps_data *psdata = &nxpdev->psdata;
+ psdata->h2c_ps_gpio = devm_gpiod_get_optional(&serdev->dev, "device-wakeup",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(psdata->h2c_ps_gpio)) {
+ bt_dev_err(hdev, "Error fetching device-wakeup-gpios: %ld",
+ PTR_ERR(psdata->h2c_ps_gpio));
+ return PTR_ERR(psdata->h2c_ps_gpio);
+ }
+
+ if (!psdata->h2c_ps_gpio)
+ psdata->h2c_wakeup_gpio = 0xff;
+
psdata->hdev = hdev;
INIT_WORK(&psdata->work, ps_work_func);
mutex_init(&psdata->ps_lock);
timer_setup(&psdata->ps_timer, ps_timeout_func, 0);
+
+ return 0;
}
static bool ps_wakeup(struct btnxpuart_dev *nxpdev)
@@ -515,6 +541,9 @@ static int send_wakeup_method_cmd(struct hci_dev *hdev, void *data)
pcmd.c2h_wakeupmode = psdata->c2h_wakeupmode;
pcmd.c2h_wakeup_gpio = psdata->c2h_wakeup_gpio;
switch (psdata->h2c_wakeupmode) {
+ case WAKEUP_METHOD_GPIO:
+ pcmd.h2c_wakeupmode = BT_CTRL_WAKEUP_METHOD_GPIO;
+ break;
case WAKEUP_METHOD_DTR:
pcmd.h2c_wakeupmode = BT_CTRL_WAKEUP_METHOD_DSR;
break;
@@ -549,6 +578,7 @@ static void ps_init(struct hci_dev *hdev)
{
struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
struct ps_data *psdata = &nxpdev->psdata;
+ u8 default_h2c_wakeup_mode = DEFAULT_H2C_WAKEUP_MODE;
serdev_device_set_tiocm(nxpdev->serdev, 0, TIOCM_RTS);
usleep_range(5000, 10000);
@@ -560,8 +590,17 @@ static void ps_init(struct hci_dev *hdev)
psdata->c2h_wakeup_gpio = 0xff;
psdata->cur_h2c_wakeupmode = WAKEUP_METHOD_INVALID;
+ if (psdata->h2c_ps_gpio)
+ default_h2c_wakeup_mode = WAKEUP_METHOD_GPIO;
+
psdata->h2c_ps_interval = PS_DEFAULT_TIMEOUT_PERIOD_MS;
- switch (DEFAULT_H2C_WAKEUP_MODE) {
+
+ switch (default_h2c_wakeup_mode) {
+ case WAKEUP_METHOD_GPIO:
+ psdata->h2c_wakeupmode = WAKEUP_METHOD_GPIO;
+ gpiod_set_value_cansleep(psdata->h2c_ps_gpio, 0);
+ usleep_range(5000, 10000);
+ break;
case WAKEUP_METHOD_DTR:
psdata->h2c_wakeupmode = WAKEUP_METHOD_DTR;
serdev_device_set_tiocm(nxpdev->serdev, 0, TIOCM_DTR);
@@ -946,12 +985,12 @@ static char *nxp_get_fw_name_from_chipid(struct hci_dev *hdev, u16 chipid,
else
bt_dev_err(hdev, "Illegal loader version %02x", loader_ver);
break;
- case CHIP_ID_IW615a0:
- case CHIP_ID_IW615a1:
+ case CHIP_ID_IW610a0:
+ case CHIP_ID_IW610a1:
if ((loader_ver & FW_SECURE_MASK) == FW_OPEN)
- fw_name = FIRMWARE_IW615;
+ fw_name = FIRMWARE_IW610;
else if ((loader_ver & FW_SECURE_MASK) != FW_AUTH_ILLEGAL)
- fw_name = FIRMWARE_SECURE_IW615;
+ fw_name = FIRMWARE_SECURE_IW610;
else
bt_dev_err(hdev, "Illegal loader version %02x", loader_ver);
break;
@@ -971,6 +1010,9 @@ static char *nxp_get_old_fw_name_from_chipid(struct hci_dev *hdev, u16 chipid,
case CHIP_ID_W9098:
fw_name_old = FIRMWARE_W9098_OLD;
break;
+ case CHIP_ID_IW416:
+ fw_name_old = FIRMWARE_IW416_OLD;
+ break;
}
return fw_name_old;
}
@@ -1275,6 +1317,9 @@ static int nxp_enqueue(struct hci_dev *hdev, struct sk_buff *skb)
psdata->c2h_wakeup_gpio = wakeup_parm.c2h_wakeup_gpio;
psdata->h2c_wakeup_gpio = wakeup_parm.h2c_wakeup_gpio;
switch (wakeup_parm.h2c_wakeupmode) {
+ case BT_CTRL_WAKEUP_METHOD_GPIO:
+ psdata->h2c_wakeupmode = WAKEUP_METHOD_GPIO;
+ break;
case BT_CTRL_WAKEUP_METHOD_DSR:
psdata->h2c_wakeupmode = WAKEUP_METHOD_DTR;
break;
@@ -1505,13 +1550,17 @@ static int nxp_serdev_probe(struct serdev_device *serdev)
if (hci_register_dev(hdev) < 0) {
dev_err(&serdev->dev, "Can't register HCI device\n");
- hci_free_dev(hdev);
- return -ENODEV;
+ goto probe_fail;
}
- ps_setup(hdev);
+ if (ps_setup(hdev))
+ goto probe_fail;
return 0;
+
+probe_fail:
+ hci_free_dev(hdev);
+ return -ENODEV;
}
static void nxp_serdev_remove(struct serdev_device *serdev)
generated by cgit (git 2.34.1) at 2025-03-21 02:42:16 +0000