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-rw-r--r--drivers/bluetooth/Kconfig14
-rw-r--r--drivers/bluetooth/bluecard_cs.c8
-rw-r--r--drivers/bluetooth/bpa10x.c2
-rw-r--r--drivers/bluetooth/btbcm.c1
-rw-r--r--drivers/bluetooth/btbcm.h2
-rw-r--r--drivers/bluetooth/btintel.c157
-rw-r--r--drivers/bluetooth/btintel.h33
-rw-r--r--drivers/bluetooth/btqcomsmd.c3
-rw-r--r--drivers/bluetooth/btsdio.c9
-rw-r--r--drivers/bluetooth/btusb.c162
-rw-r--r--drivers/bluetooth/hci_bcm.c243
-rw-r--r--drivers/bluetooth/hci_intel.c186
-rw-r--r--drivers/bluetooth/hci_ldisc.c2
-rw-r--r--drivers/bluetooth/hci_ll.c107
-rw-r--r--drivers/bluetooth/hci_qca.c3
-rw-r--r--drivers/bluetooth/hci_serdev.c1
-rw-r--r--drivers/bluetooth/hci_vhci.c2
17 files changed, 626 insertions, 309 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 60e1c7d6986d..07e55cd8f8c8 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -31,6 +31,16 @@ config BT_HCIBTUSB
Say Y here to compile support for Bluetooth USB devices into the
kernel or say M to compile it as module (btusb).
+config BT_HCIBTUSB_AUTOSUSPEND
+ bool "Enable USB autosuspend for Bluetooth USB devices by default"
+ depends on BT_HCIBTUSB
+ help
+ Say Y here to enable USB autosuspend for Bluetooth USB devices by
+ default.
+
+ This can be overridden by passing btusb.enable_autosuspend=[y|n]
+ on the kernel commandline.
+
config BT_HCIBTUSB_BCM
bool "Broadcom protocol support"
depends on BT_HCIBTUSB
@@ -67,6 +77,7 @@ config BT_HCIBTSDIO
config BT_HCIUART
tristate "HCI UART driver"
depends on SERIAL_DEV_BUS || !SERIAL_DEV_BUS
+ depends on NVMEM || !NVMEM
depends on TTY
help
Bluetooth HCI UART driver.
@@ -97,6 +108,7 @@ config BT_HCIUART_NOKIA
tristate "UART Nokia H4+ protocol support"
depends on BT_HCIUART
depends on BT_HCIUART_SERDEV
+ depends on GPIOLIB
depends on PM
select BT_HCIUART_H4
select BT_BCM
@@ -158,6 +170,7 @@ config BT_HCIUART_3WIRE
config BT_HCIUART_INTEL
bool "Intel protocol support"
depends on BT_HCIUART
+ depends on GPIOLIB
select BT_HCIUART_H4
select BT_INTEL
help
@@ -171,6 +184,7 @@ config BT_HCIUART_BCM
depends on BT_HCIUART
depends on BT_HCIUART_SERDEV
depends on (!ACPI || SERIAL_DEV_CTRL_TTYPORT)
+ depends on GPIOLIB
select BT_HCIUART_H4
select BT_BCM
help
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index d513ef4743dc..82437a69f99c 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -302,9 +302,7 @@ static void bluecard_write_wakeup(struct bluecard_info *info)
}
/* Wait until the command reaches the baseband */
- prepare_to_wait(&wq, &wait, TASK_INTERRUPTIBLE);
- schedule_timeout(HZ/10);
- finish_wait(&wq, &wait);
+ mdelay(100);
/* Set baud on baseband */
info->ctrl_reg &= ~0x03;
@@ -316,9 +314,7 @@ static void bluecard_write_wakeup(struct bluecard_info *info)
outb(info->ctrl_reg, iobase + REG_CONTROL);
/* Wait before the next HCI packet can be send */
- prepare_to_wait(&wq, &wait, TASK_INTERRUPTIBLE);
- schedule_timeout(HZ);
- finish_wait(&wq, &wait);
+ mdelay(1000);
}
if (len == skb->len) {
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 7971bfbd4321..801ea4ca65e4 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -259,7 +259,7 @@ static int bpa10x_flush(struct hci_dev *hdev)
static int bpa10x_setup(struct hci_dev *hdev)
{
- const u8 req[] = { 0x07 };
+ static const u8 req[] = { 0x07 };
struct sk_buff *skb;
BT_DBG("%s", hdev->name);
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index afa4cb3b16e3..6659f113042c 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -323,6 +323,7 @@ static const struct {
{ 0x410e, "BCM43341B0" }, /* 002.001.014 */
{ 0x4406, "BCM4324B3" }, /* 002.004.006 */
{ 0x610c, "BCM4354" }, /* 003.001.012 */
+ { 0x2122, "BCM4343A0" }, /* 001.001.034 */
{ 0x2209, "BCM43430A1" }, /* 001.002.009 */
{ 0x6119, "BCM4345C0" }, /* 003.001.025 */
{ 0x230f, "BCM4356A2" }, /* 001.003.015 */
diff --git a/drivers/bluetooth/btbcm.h b/drivers/bluetooth/btbcm.h
index d9e6b41658e5..cfe6ad4cc621 100644
--- a/drivers/bluetooth/btbcm.h
+++ b/drivers/bluetooth/btbcm.h
@@ -44,8 +44,8 @@ struct bcm_set_sleep_mode {
__u8 tristate_control;
__u8 usb_auto_sleep;
__u8 usb_resume_timeout;
- __u8 pulsed_host_wake;
__u8 break_to_host;
+ __u8 pulsed_host_wake;
} __packed;
struct bcm_set_pcm_int_params {
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 4459555c9d88..5270d5513201 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/firmware.h>
#include <linux/regmap.h>
+#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -75,7 +76,7 @@ EXPORT_SYMBOL_GPL(btintel_check_bdaddr);
int btintel_enter_mfg(struct hci_dev *hdev)
{
- const u8 param[] = { 0x01, 0x00 };
+ static const u8 param[] = { 0x01, 0x00 };
struct sk_buff *skb;
skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_CMD_TIMEOUT);
@@ -569,6 +570,160 @@ struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
}
EXPORT_SYMBOL_GPL(btintel_regmap_init);
+int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param)
+{
+ struct intel_reset params = { 0x00, 0x01, 0x00, 0x01, 0x00000000 };
+ struct sk_buff *skb;
+
+ params.boot_param = cpu_to_le32(boot_param);
+
+ skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(params), &params,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Failed to send Intel Reset command");
+ return PTR_ERR(skb);
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_send_intel_reset);
+
+int btintel_read_boot_params(struct hci_dev *hdev,
+ struct intel_boot_params *params)
+{
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Reading Intel boot parameters failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->len != sizeof(*params)) {
+ bt_dev_err(hdev, "Intel boot parameters size mismatch");
+ kfree_skb(skb);
+ return -EILSEQ;
+ }
+
+ memcpy(params, skb->data, sizeof(*params));
+
+ kfree_skb(skb);
+
+ if (params->status) {
+ bt_dev_err(hdev, "Intel boot parameters command failed (%02x)",
+ params->status);
+ return -bt_to_errno(params->status);
+ }
+
+ bt_dev_info(hdev, "Device revision is %u",
+ le16_to_cpu(params->dev_revid));
+
+ bt_dev_info(hdev, "Secure boot is %s",
+ params->secure_boot ? "enabled" : "disabled");
+
+ bt_dev_info(hdev, "OTP lock is %s",
+ params->otp_lock ? "enabled" : "disabled");
+
+ bt_dev_info(hdev, "API lock is %s",
+ params->api_lock ? "enabled" : "disabled");
+
+ bt_dev_info(hdev, "Debug lock is %s",
+ params->debug_lock ? "enabled" : "disabled");
+
+ bt_dev_info(hdev, "Minimum firmware build %u week %u %u",
+ params->min_fw_build_nn, params->min_fw_build_cw,
+ 2000 + params->min_fw_build_yy);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_read_boot_params);
+
+int btintel_download_firmware(struct hci_dev *hdev, const struct firmware *fw,
+ u32 *boot_param)
+{
+ int err;
+ const u8 *fw_ptr;
+ u32 frag_len;
+
+ /* Start the firmware download transaction with the Init fragment
+ * represented by the 128 bytes of CSS header.
+ */
+ err = btintel_secure_send(hdev, 0x00, 128, fw->data);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send firmware header (%d)", err);
+ goto done;
+ }
+
+ /* Send the 256 bytes of public key information from the firmware
+ * as the PKey fragment.
+ */
+ err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send firmware pkey (%d)", err);
+ goto done;
+ }
+
+ /* Send the 256 bytes of signature information from the firmware
+ * as the Sign fragment.
+ */
+ err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send firmware signature (%d)", err);
+ goto done;
+ }
+
+ fw_ptr = fw->data + 644;
+ frag_len = 0;
+
+ while (fw_ptr - fw->data < fw->size) {
+ struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
+
+ /* Each SKU has a different reset parameter to use in the
+ * HCI_Intel_Reset command and it is embedded in the firmware
+ * data. So, instead of using static value per SKU, check
+ * the firmware data and save it for later use.
+ */
+ if (le16_to_cpu(cmd->opcode) == 0xfc0e) {
+ /* The boot parameter is the first 32-bit value
+ * and rest of 3 octets are reserved.
+ */
+ *boot_param = get_unaligned_le32(fw_ptr + sizeof(*cmd));
+
+ bt_dev_dbg(hdev, "boot_param=0x%x", *boot_param);
+ }
+
+ frag_len += sizeof(*cmd) + cmd->plen;
+
+ /* The parameter length of the secure send command requires
+ * a 4 byte alignment. It happens so that the firmware file
+ * contains proper Intel_NOP commands to align the fragments
+ * as needed.
+ *
+ * Send set of commands with 4 byte alignment from the
+ * firmware data buffer as a single Data fragement.
+ */
+ if (!(frag_len % 4)) {
+ err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
+ if (err < 0) {
+ bt_dev_err(hdev,
+ "Failed to send firmware data (%d)",
+ err);
+ goto done;
+ }
+
+ fw_ptr += frag_len;
+ frag_len = 0;
+ }
+ }
+
+done:
+ return err;
+}
+EXPORT_SYMBOL_GPL(btintel_download_firmware);
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION);
MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index 1e8955aaafed..41c642cc523f 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -69,6 +69,14 @@ struct intel_secure_send_result {
__u8 status;
} __packed;
+struct intel_reset {
+ __u8 reset_type;
+ __u8 patch_enable;
+ __u8 ddc_reload;
+ __u8 boot_option;
+ __le32 boot_param;
+} __packed;
+
#if IS_ENABLED(CONFIG_BT_INTEL)
int btintel_check_bdaddr(struct hci_dev *hdev);
@@ -89,7 +97,11 @@ int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
u16 opcode_write);
-
+int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
+int btintel_read_boot_params(struct hci_dev *hdev,
+ struct intel_boot_params *params);
+int btintel_download_firmware(struct hci_dev *dev, const struct firmware *fw,
+ u32 *boot_param);
#else
static inline int btintel_check_bdaddr(struct hci_dev *hdev)
@@ -165,4 +177,23 @@ static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
{
return ERR_PTR(-EINVAL);
}
+
+static inline int btintel_send_intel_reset(struct hci_dev *hdev,
+ u32 reset_param)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int btintel_read_boot_params(struct hci_dev *hdev,
+ struct intel_boot_params *params)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int btintel_download_firmware(struct hci_dev *dev,
+ const struct firmware *fw,
+ u32 *boot_param)
+{
+ return -EOPNOTSUPP;
+}
#endif
diff --git a/drivers/bluetooth/btqcomsmd.c b/drivers/bluetooth/btqcomsmd.c
index 663bed63b871..2c9a5fc9137d 100644
--- a/drivers/bluetooth/btqcomsmd.c
+++ b/drivers/bluetooth/btqcomsmd.c
@@ -88,7 +88,8 @@ static int btqcomsmd_send(struct hci_dev *hdev, struct sk_buff *skb)
break;
}
- kfree_skb(skb);
+ if (!ret)
+ kfree_skb(skb);
return ret;
}
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index c8e945d19ffe..20142bc77554 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -31,6 +31,7 @@
#include <linux/errno.h>
#include <linux/skbuff.h>
+#include <linux/mmc/host.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/sdio_func.h>
@@ -292,6 +293,14 @@ static int btsdio_probe(struct sdio_func *func,
tuple = tuple->next;
}
+ /* BCM43341 devices soldered onto the PCB (non-removable) use an
+ * uart connection for bluetooth, ignore the BT SDIO interface.
+ */
+ if (func->vendor == SDIO_VENDOR_ID_BROADCOM &&
+ func->device == SDIO_DEVICE_ID_BROADCOM_43341 &&
+ !mmc_card_is_removable(func->card->host))
+ return -ENODEV;
+
data = devm_kzalloc(&func->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f7120c9eb9bd..2a55380ad730 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -23,6 +23,7 @@
#include <linux/module.h>
#include <linux/usb.h>
+#include <linux/usb/quirks.h>
#include <linux/firmware.h>
#include <linux/of_device.h>
#include <linux/of_irq.h>
@@ -40,6 +41,7 @@
static bool disable_scofix;
static bool force_scofix;
+static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
static bool reset = true;
@@ -263,6 +265,7 @@ static const struct usb_device_id blacklist_table[] = {
/* QCA ROME chipset */
{ USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
+ { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
@@ -270,6 +273,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
+ { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
/* Broadcom BCM2035 */
@@ -387,9 +391,8 @@ static const struct usb_device_id blacklist_table[] = {
#define BTUSB_FIRMWARE_LOADED 7
#define BTUSB_FIRMWARE_FAILED 8
#define BTUSB_BOOTING 9
-#define BTUSB_RESET_RESUME 10
-#define BTUSB_DIAG_RUNNING 11
-#define BTUSB_OOB_WAKE_ENABLED 12
+#define BTUSB_DIAG_RUNNING 10
+#define BTUSB_OOB_WAKE_ENABLED 11
struct btusb_data {
struct hci_dev *hdev;
@@ -2006,15 +2009,11 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
static int btusb_setup_intel_new(struct hci_dev *hdev)
{
- static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
- 0x00, 0x08, 0x04, 0x00 };
struct btusb_data *data = hci_get_drvdata(hdev);
- struct sk_buff *skb;
struct intel_version ver;
- struct intel_boot_params *params;
+ struct intel_boot_params params;
const struct firmware *fw;
- const u8 *fw_ptr;
- u32 frag_len;
+ u32 boot_param;
char fwname[64];
ktime_t calltime, delta, rettime;
unsigned long long duration;
@@ -2022,6 +2021,12 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
+ /* Set the default boot parameter to 0x0 and it is updated to
+ * SKU specific boot parameter after reading Intel_Write_Boot_Params
+ * command while downloading the firmware.
+ */
+ boot_param = 0x00000000;
+
calltime = ktime_get();
/* Read the Intel version information to determine if the device
@@ -2092,55 +2097,24 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
/* Read the secure boot parameters to identify the operating
* details of the bootloader.
*/
- skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
- hdev->name, PTR_ERR(skb));
- return PTR_ERR(skb);
- }
-
- if (skb->len != sizeof(*params)) {
- BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
- kfree_skb(skb);
- return -EILSEQ;
- }
-
- params = (struct intel_boot_params *)skb->data;
-
- bt_dev_info(hdev, "Device revision is %u",
- le16_to_cpu(params->dev_revid));
-
- bt_dev_info(hdev, "Secure boot is %s",
- params->secure_boot ? "enabled" : "disabled");
-
- bt_dev_info(hdev, "OTP lock is %s",
- params->otp_lock ? "enabled" : "disabled");
-
- bt_dev_info(hdev, "API lock is %s",
- params->api_lock ? "enabled" : "disabled");
-
- bt_dev_info(hdev, "Debug lock is %s",
- params->debug_lock ? "enabled" : "disabled");
-
- bt_dev_info(hdev, "Minimum firmware build %u week %u %u",
- params->min_fw_build_nn, params->min_fw_build_cw,
- 2000 + params->min_fw_build_yy);
+ err = btintel_read_boot_params(hdev, &params);
+ if (err)
+ return err;
/* It is required that every single firmware fragment is acknowledged
* with a command complete event. If the boot parameters indicate
* that this bootloader does not send them, then abort the setup.
*/
- if (params->limited_cce != 0x00) {
+ if (params.limited_cce != 0x00) {
BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
- hdev->name, params->limited_cce);
- kfree_skb(skb);
+ hdev->name, params.limited_cce);
return -EINVAL;
}
/* If the OTP has no valid Bluetooth device address, then there will
* also be no valid address for the operational firmware.
*/
- if (!bacmp(&params->otp_bdaddr, BDADDR_ANY)) {
+ if (!bacmp(&params.otp_bdaddr, BDADDR_ANY)) {
bt_dev_info(hdev, "No device address configured");
set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
}
@@ -2171,7 +2145,7 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
case 0x0c: /* WsP */
snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi",
le16_to_cpu(ver.hw_variant),
- le16_to_cpu(params->dev_revid));
+ le16_to_cpu(params.dev_revid));
break;
case 0x11: /* JfP */
case 0x12: /* ThP */
@@ -2189,7 +2163,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
if (err < 0) {
BT_ERR("%s: Failed to load Intel firmware file (%d)",
hdev->name, err);
- kfree_skb(skb);
return err;
}
@@ -2203,7 +2176,7 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
case 0x0c: /* WsP */
snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc",
le16_to_cpu(ver.hw_variant),
- le16_to_cpu(params->dev_revid));
+ le16_to_cpu(params.dev_revid));
break;
case 0x11: /* JfP */
case 0x12: /* ThP */
@@ -2217,8 +2190,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
return -EINVAL;
}
- kfree_skb(skb);
-
if (fw->size < 644) {
BT_ERR("%s: Invalid size of firmware file (%zu)",
hdev->name, fw->size);
@@ -2228,64 +2199,10 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
set_bit(BTUSB_DOWNLOADING, &data->flags);
- /* Start the firmware download transaction with the Init fragment
- * represented by the 128 bytes of CSS header.
- */
- err = btintel_secure_send(hdev, 0x00, 128, fw->data);
- if (err < 0) {
- BT_ERR("%s: Failed to send firmware header (%d)",
- hdev->name, err);
- goto done;
- }
-
- /* Send the 256 bytes of public key information from the firmware
- * as the PKey fragment.
- */
- err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
- if (err < 0) {
- BT_ERR("%s: Failed to send firmware public key (%d)",
- hdev->name, err);
- goto done;
- }
-
- /* Send the 256 bytes of signature information from the firmware
- * as the Sign fragment.
- */
- err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
- if (err < 0) {
- BT_ERR("%s: Failed to send firmware signature (%d)",
- hdev->name, err);
+ /* Start firmware downloading and get boot parameter */
+ err = btintel_download_firmware(hdev, fw, &boot_param);
+ if (err < 0)
goto done;
- }
-
- fw_ptr = fw->data + 644;
- frag_len = 0;
-
- while (fw_ptr - fw->data < fw->size) {
- struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
-
- frag_len += sizeof(*cmd) + cmd->plen;
-
- /* The parameter length of the secure send command requires
- * a 4 byte alignment. It happens so that the firmware file
- * contains proper Intel_NOP commands to align the fragments
- * as needed.
- *
- * Send set of commands with 4 byte alignment from the
- * firmware data buffer as a single Data fragement.
- */
- if (!(frag_len % 4)) {
- err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
- if (err < 0) {
- BT_ERR("%s: Failed to send firmware data (%d)",
- hdev->name, err);
- goto done;
- }
-
- fw_ptr += frag_len;
- frag_len = 0;
- }
- }
set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
@@ -2338,12 +2255,9 @@ done:
set_bit(BTUSB_BOOTING, &data->flags);
- skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
- HCI_INIT_TIMEOUT);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- kfree_skb(skb);
+ err = btintel_send_intel_reset(hdev, boot_param);
+ if (err)
+ return err;
/* The bootloader will not indicate when the device is ready. This
* is done by the operational firmware sending bootup notification.
@@ -3120,9 +3034,9 @@ static int btusb_probe(struct usb_interface *intf,
/* QCA Rome devices lose their updated firmware over suspend,
* but the USB hub doesn't notice any status change.
- * Explicitly request a device reset on resume.
+ * explicitly request a device reset on resume.
*/
- set_bit(BTUSB_RESET_RESUME, &data->flags);
+ interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
}
#ifdef CONFIG_BT_HCIBTUSB_RTL
@@ -3133,7 +3047,7 @@ static int btusb_probe(struct usb_interface *intf,
* but the USB hub doesn't notice any status change.
* Explicitly request a device reset on resume.
*/
- set_bit(BTUSB_RESET_RESUME, &data->flags);
+ interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
}
#endif
@@ -3213,6 +3127,9 @@ static int btusb_probe(struct usb_interface *intf,
}
#endif
+ if (enable_autosuspend)
+ usb_enable_autosuspend(data->udev);
+
err = hci_register_dev(hdev);
if (err < 0)
goto out_free_dev;
@@ -3299,14 +3216,6 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
enable_irq(data->oob_wake_irq);
}
- /* Optionally request a device reset on resume, but only when
- * wakeups are disabled. If wakeups are enabled we assume the
- * device will stay powered up throughout suspend.
- */
- if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
- !device_may_wakeup(&data->udev->dev))
- data->udev->reset_resume = 1;
-
return 0;
}
@@ -3425,6 +3334,9 @@ MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
module_param(force_scofix, bool, 0644);
MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
+module_param(enable_autosuspend, bool, 0644);
+MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
+
module_param(reset, bool, 0644);
MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 707c2d1b84c7..0438a64b8185 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -29,6 +29,7 @@
#include <linux/acpi.h>
#include <linux/of.h>
#include <linux/property.h>
+#include <linux/platform_data/x86/apple.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/gpio/consumer.h>
@@ -52,7 +53,37 @@
#define BCM_AUTOSUSPEND_DELAY 5000 /* default autosleep delay */
-/* device driver resources */
+/**
+ * struct bcm_device - device driver resources
+ * @serdev_hu: HCI UART controller struct
+ * @list: bcm_device_list node
+ * @dev: physical UART slave
+ * @name: device name logged by bt_dev_*() functions
+ * @device_wakeup: BT_WAKE pin,
+ * assert = Bluetooth device must wake up or remain awake,
+ * deassert = Bluetooth device may sleep when sleep criteria are met
+ * @shutdown: BT_REG_ON pin,
+ * power up or power down Bluetooth device internal regulators
+ * @set_device_wakeup: callback to toggle BT_WAKE pin
+ * either by accessing @device_wakeup or by calling @btlp
+ * @set_shutdown: callback to toggle BT_REG_ON pin
+ * either by accessing @shutdown or by calling @btpu/@btpd
+ * @btlp: Apple ACPI method to toggle BT_WAKE pin ("Bluetooth Low Power")
+ * @btpu: Apple ACPI method to drive BT_REG_ON pin high ("Bluetooth Power Up")
+ * @btpd: Apple ACPI method to drive BT_REG_ON pin low ("Bluetooth Power Down")
+ * @clk: clock used by Bluetooth device
+ * @clk_enabled: whether @clk is prepared and enabled
+ * @init_speed: default baudrate of Bluetooth device;
+ * the host UART is initially set to this baudrate so that
+ * it can configure the Bluetooth device for @oper_speed
+ * @oper_speed: preferred baudrate of Bluetooth device;
+ * set to 0 if @init_speed is already the preferred baudrate
+ * @irq: interrupt triggered by HOST_WAKE_BT pin
+ * @irq_active_low: whether @irq is active low
+ * @hu: pointer to HCI UART controller struct,
+ * used to disable flow control during runtime suspend and system sleep
+ * @is_suspended: whether flow control is currently disabled
+ */
struct bcm_device {
/* Must be the first member, hci_serdev.c expects this. */
struct hci_uart serdev_hu;
@@ -63,6 +94,11 @@ struct bcm_device {
const char *name;
struct gpio_desc *device_wakeup;
struct gpio_desc *shutdown;
+ int (*set_device_wakeup)(struct bcm_device *, bool);
+ int (*set_shutdown)(struct bcm_device *, bool);
+#ifdef CONFIG_ACPI
+ acpi_handle btlp, btpu, btpd;
+#endif
struct clk *clk;
bool clk_enabled;
@@ -74,7 +110,7 @@ struct bcm_device {
#ifdef CONFIG_PM
struct hci_uart *hu;
- bool is_suspended; /* suspend/resume flag */
+ bool is_suspended;
#endif
};
@@ -170,11 +206,21 @@ static bool bcm_device_exists(struct bcm_device *device)
static int bcm_gpio_set_power(struct bcm_device *dev, bool powered)
{
- if (powered && !IS_ERR(dev->clk) && !dev->clk_enabled)
- clk_prepare_enable(dev->clk);
+ int err;
- gpiod_set_value(dev->shutdown, powered);
- gpiod_set_value(dev->device_wakeup, powered);
+ if (powered && !IS_ERR(dev->clk) && !dev->clk_enabled) {
+ err = clk_prepare_enable(dev->clk);
+ if (err)
+ return err;
+ }
+
+ err = dev->set_shutdown(dev, powered);
+ if (err)
+ goto err_clk_disable;
+
+ err = dev->set_device_wakeup(dev, powered);
+ if (err)
+ goto err_revert_shutdown;
if (!powered && !IS_ERR(dev->clk) && dev->clk_enabled)
clk_disable_unprepare(dev->clk);
@@ -182,6 +228,13 @@ static int bcm_gpio_set_power(struct bcm_device *dev, bool powered)
dev->clk_enabled = powered;
return 0;
+
+err_revert_shutdown:
+ dev->set_shutdown(dev, !powered);
+err_clk_disable:
+ if (powered && !IS_ERR(dev->clk) && !dev->clk_enabled)
+ clk_disable_unprepare(dev->clk);
+ return err;
}
#ifdef CONFIG_PM
@@ -191,9 +244,7 @@ static irqreturn_t bcm_host_wake(int irq, void *data)
bt_dev_dbg(bdev, "Host wake IRQ");
- pm_runtime_get(bdev->dev);
- pm_runtime_mark_last_busy(bdev->dev);
- pm_runtime_put_autosuspend(bdev->dev);
+ pm_request_resume(bdev->dev);
return IRQ_HANDLED;
}
@@ -218,8 +269,10 @@ static int bcm_request_irq(struct bcm_data *bcm)
bdev->irq_active_low ? IRQF_TRIGGER_FALLING :
IRQF_TRIGGER_RISING,
"host_wake", bdev);
- if (err)
+ if (err) {
+ bdev->irq = err;
goto unlock;
+ }
device_init_wakeup(bdev->dev, true);
@@ -247,8 +300,8 @@ static const struct bcm_set_sleep_mode default_sleep_params = {
/* Irrelevant USB flags */
.usb_auto_sleep = 0,
.usb_resume_timeout = 0,
+ .break_to_host = 0,
.pulsed_host_wake = 0,
- .break_to_host = 0
};
static int bcm_setup_sleep(struct hci_uart *hu)
@@ -304,6 +357,7 @@ static int bcm_open(struct hci_uart *hu)
{
struct bcm_data *bcm;
struct list_head *p;
+ int err;
bt_dev_dbg(hu->hdev, "hu %p", hu);
@@ -318,7 +372,10 @@ static int bcm_open(struct hci_uart *hu)
mutex_lock(&bcm_device_lock);
if (hu->serdev) {
- serdev_device_open(hu->serdev);
+ err = serdev_device_open(hu->serdev);
+ if (err)
+ goto err_free;
+
bcm->dev = serdev_device_get_drvdata(hu->serdev);
goto out;
}
@@ -346,17 +403,33 @@ out:
if (bcm->dev) {
hu->init_speed = bcm->dev->init_speed;
hu->oper_speed = bcm->dev->oper_speed;
- bcm_gpio_set_power(bcm->dev, true);
+ err = bcm_gpio_set_power(bcm->dev, true);
+ if (err)
+ goto err_unset_hu;
}
mutex_unlock(&bcm_device_lock);
return 0;
+
+err_unset_hu:
+ if (hu->serdev)
+ serdev_device_close(hu->serdev);
+#ifdef CONFIG_PM
+ else
+ bcm->dev->hu = NULL;
+#endif
+err_free:
+ mutex_unlock(&bcm_device_lock);
+ hu->priv = NULL;
+ kfree(bcm);
+ return err;
}
static int bcm_close(struct hci_uart *hu)
{
struct bcm_data *bcm = hu->priv;
struct bcm_device *bdev = NULL;
+ int err;
bt_dev_dbg(hu->hdev, "hu %p", hu);
@@ -374,16 +447,17 @@ static int bcm_close(struct hci_uart *hu)
}
if (bdev) {
- bcm_gpio_set_power(bdev, false);
-#ifdef CONFIG_PM
- pm_runtime_disable(bdev->dev);
- pm_runtime_set_suspended(bdev->dev);
-
- if (device_can_wakeup(bdev->dev)) {
+ if (IS_ENABLED(CONFIG_PM) && bdev->irq > 0) {
devm_free_irq(bdev->dev, bdev->irq, bdev);
device_init_wakeup(bdev->dev, false);
+ pm_runtime_disable(bdev->dev);
}
-#endif
+
+ err = bcm_gpio_set_power(bdev, false);
+ if (err)
+ bt_dev_err(hu->hdev, "Failed to power down");
+ else
+ pm_runtime_set_suspended(bdev->dev);
}
mutex_unlock(&bcm_device_lock);
@@ -512,11 +586,8 @@ static int bcm_recv(struct hci_uart *hu, const void *data, int count)
} else if (!bcm->rx_skb) {
/* Delay auto-suspend when receiving completed packet */
mutex_lock(&bcm_device_lock);
- if (bcm->dev && bcm_device_exists(bcm->dev)) {
- pm_runtime_get(bcm->dev->dev);
- pm_runtime_mark_last_busy(bcm->dev->dev);
- pm_runtime_put_autosuspend(bcm->dev->dev);
- }
+ if (bcm->dev && bcm_device_exists(bcm->dev))
+ pm_request_resume(bcm->dev->dev);
mutex_unlock(&bcm_device_lock);
}
@@ -566,6 +637,7 @@ static struct sk_buff *bcm_dequeue(struct hci_uart *hu)
static int bcm_suspend_device(struct device *dev)
{
struct bcm_device *bdev = dev_get_drvdata(dev);
+ int err;
bt_dev_dbg(bdev, "");
@@ -577,27 +649,37 @@ static int bcm_suspend_device(struct device *dev)
}
/* Suspend the device */
- if (bdev->device_wakeup) {
- gpiod_set_value(bdev->device_wakeup, false);
- bt_dev_dbg(bdev, "suspend, delaying 15 ms");
- mdelay(15);
+ err = bdev->set_device_wakeup(bdev, false);
+ if (err) {
+ if (bdev->is_suspended && bdev->hu) {
+ bdev->is_suspended = false;
+ hci_uart_set_flow_control(bdev->hu, false);
+ }
+ return -EBUSY;
}
+ bt_dev_dbg(bdev, "suspend, delaying 15 ms");
+ msleep(15);
+
return 0;
}
static int bcm_resume_device(struct device *dev)
{
struct bcm_device *bdev = dev_get_drvdata(dev);
+ int err;
bt_dev_dbg(bdev, "");
- if (bdev->device_wakeup) {
- gpiod_set_value(bdev->device_wakeup, true);
- bt_dev_dbg(bdev, "resume, delaying 15 ms");
- mdelay(15);
+ err = bdev->set_device_wakeup(bdev, true);
+ if (err) {
+ dev_err(dev, "Failed to power up\n");
+ return err;
}
+ bt_dev_dbg(bdev, "resume, delaying 15 ms");
+ msleep(15);
+
/* When this executes, the device has woken up already */
if (bdev->is_suspended && bdev->hu) {
bdev->is_suspended = false;
@@ -632,7 +714,7 @@ static int bcm_suspend(struct device *dev)
if (pm_runtime_active(dev))
bcm_suspend_device(dev);
- if (device_may_wakeup(dev)) {
+ if (device_may_wakeup(dev) && bdev->irq > 0) {
error = enable_irq_wake(bdev->irq);
if (!error)
bt_dev_dbg(bdev, "BCM irq: enabled");
@@ -648,6 +730,7 @@ unlock:
static int bcm_resume(struct device *dev)
{
struct bcm_device *bdev = dev_get_drvdata(dev);
+ int err = 0;
bt_dev_dbg(bdev, "resume: is_suspended %d", bdev->is_suspended);
@@ -662,19 +745,21 @@ static int bcm_resume(struct device *dev)
if (!bdev->hu)
goto unlock;
- if (device_may_wakeup(dev)) {
+ if (device_may_wakeup(dev) && bdev->irq > 0) {
disable_irq_wake(bdev->irq);
bt_dev_dbg(bdev, "BCM irq: disabled");
}
- bcm_resume_device(dev);
+ err = bcm_resume_device(dev);
unlock:
mutex_unlock(&bcm_device_lock);
- pm_runtime_disable(dev);
- pm_runtime_set_active(dev);
- pm_runtime_enable(dev);
+ if (!err) {
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ }
return 0;
}
@@ -771,25 +856,84 @@ static int bcm_resource(struct acpi_resource *ares, void *data)
return 0;
}
+
+static int bcm_apple_set_device_wakeup(struct bcm_device *dev, bool awake)
+{
+ if (ACPI_FAILURE(acpi_execute_simple_method(dev->btlp, NULL, !awake)))
+ return -EIO;
+
+ return 0;
+}
+
+static int bcm_apple_set_shutdown(struct bcm_device *dev, bool powered)
+{
+ if (ACPI_FAILURE(acpi_evaluate_object(powered ? dev->btpu : dev->btpd,
+ NULL, NULL, NULL)))
+ return -EIO;
+
+ return 0;
+}
+
+static int bcm_apple_get_resources(struct bcm_device *dev)
+{
+ struct acpi_device *adev = ACPI_COMPANION(dev->dev);
+ const union acpi_object *obj;
+
+ if (!adev ||
+ ACPI_FAILURE(acpi_get_handle(adev->handle, "BTLP", &dev->btlp)) ||
+ ACPI_FAILURE(acpi_get_handle(adev->handle, "BTPU", &dev->btpu)) ||
+ ACPI_FAILURE(acpi_get_handle(adev->handle, "BTPD", &dev->btpd)))
+ return -ENODEV;
+
+ if (!acpi_dev_get_property(adev, "baud", ACPI_TYPE_BUFFER, &obj) &&
+ obj->buffer.length == 8)
+ dev->init_speed = *(u64 *)obj->buffer.pointer;
+
+ dev->set_device_wakeup = bcm_apple_set_device_wakeup;
+ dev->set_shutdown = bcm_apple_set_shutdown;
+
+ return 0;
+}
+#else
+static inline int bcm_apple_get_resources(struct bcm_device *dev)
+{
+ return -EOPNOTSUPP;
+}
#endif /* CONFIG_ACPI */
+static int bcm_gpio_set_device_wakeup(struct bcm_device *dev, bool awake)
+{
+ gpiod_set_value(dev->device_wakeup, awake);
+ return 0;
+}
+
+static int bcm_gpio_set_shutdown(struct bcm_device *dev, bool powered)
+{
+ gpiod_set_value(dev->shutdown, powered);
+ return 0;
+}
+
static int bcm_get_resources(struct bcm_device *dev)
{
dev->name = dev_name(dev->dev);
+ if (x86_apple_machine && !bcm_apple_get_resources(dev))
+ return 0;
+
dev->clk = devm_clk_get(dev->dev, NULL);
- dev->device_wakeup = devm_gpiod_get_optional(dev->dev,
- "device-wakeup",
- GPIOD_OUT_LOW);
+ dev->device_wakeup = devm_gpiod_get(dev->dev, "device-wakeup",
+ GPIOD_OUT_LOW);
if (IS_ERR(dev->device_wakeup))
return PTR_ERR(dev->device_wakeup);
- dev->shutdown = devm_gpiod_get_optional(dev->dev, "shutdown",
- GPIOD_OUT_LOW);
+ dev->shutdown = devm_gpiod_get(dev->dev, "shutdown", GPIOD_OUT_LOW);
if (IS_ERR(dev->shutdown))
return PTR_ERR(dev->shutdown);
+ dev->set_device_wakeup = bcm_gpio_set_device_wakeup;
+ dev->set_shutdown = bcm_gpio_set_shutdown;
+
/* IRQ can be declared in ACPI table as Interrupt or GpioInt */
if (dev->irq <= 0) {
struct gpio_desc *gpio;
@@ -802,7 +946,7 @@ static int bcm_get_resources(struct bcm_device *dev)
dev->irq = gpiod_to_irq(gpio);
}
- dev_info(dev->dev, "BCM irq: %d\n", dev->irq);
+ dev_dbg(dev->dev, "BCM irq: %d\n", dev->irq);
return 0;
}
@@ -892,7 +1036,9 @@ static int bcm_probe(struct platform_device *pdev)
list_add_tail(&dev->list, &bcm_device_list);
mutex_unlock(&bcm_device_lock);
- bcm_gpio_set_power(dev, false);
+ ret = bcm_gpio_set_power(dev, false);
+ if (ret)
+ dev_err(&pdev->dev, "Failed to power down\n");
return 0;
}
@@ -939,6 +1085,7 @@ static const struct acpi_device_id bcm_acpi_match[] = {
{ "BCM2E65", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
{ "BCM2E67", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
{ "BCM2E71", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E72", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
{ "BCM2E7B", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
{ "BCM2E7C", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
{ "BCM2E7E", (kernel_ulong_t)&acpi_bcm_int_first_gpios },
@@ -993,7 +1140,9 @@ static int bcm_serdev_probe(struct serdev_device *serdev)
if (err)
return err;
- bcm_gpio_set_power(bcmdev, false);
+ err = bcm_gpio_set_power(bcmdev, false);
+ if (err)
+ dev_err(&serdev->dev, "Failed to power down\n");
return hci_uart_register_device(&bcmdev->serdev_hu, &bcm_proto);
}
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c
index aad07e40ea4f..7c166e3b308b 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -540,18 +540,15 @@ static int intel_set_baudrate(struct hci_uart *hu, unsigned int speed)
static int intel_setup(struct hci_uart *hu)
{
- static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
- 0x00, 0x08, 0x04, 0x00 };
struct intel_data *intel = hu->priv;
struct hci_dev *hdev = hu->hdev;
struct sk_buff *skb;
struct intel_version ver;
- struct intel_boot_params *params;
+ struct intel_boot_params params;
struct list_head *p;
const struct firmware *fw;
- const u8 *fw_ptr;
char fwname[64];
- u32 frag_len;
+ u32 boot_param;
ktime_t calltime, delta, rettime;
unsigned long long duration;
unsigned int init_speed, oper_speed;
@@ -563,6 +560,12 @@ static int intel_setup(struct hci_uart *hu)
hu->hdev->set_diag = btintel_set_diag;
hu->hdev->set_bdaddr = btintel_set_bdaddr;
+ /* Set the default boot parameter to 0x0 and it is updated to
+ * SKU specific boot parameter after reading Intel_Write_Boot_Params
+ * command while downloading the firmware.
+ */
+ boot_param = 0x00000000;
+
calltime = ktime_get();
if (hu->init_speed)
@@ -656,85 +659,95 @@ static int intel_setup(struct hci_uart *hu)
/* Read the secure boot parameters to identify the operating
* details of the bootloader.
*/
- skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_CMD_TIMEOUT);
- if (IS_ERR(skb)) {
- bt_dev_err(hdev, "Reading Intel boot parameters failed (%ld)",
- PTR_ERR(skb));
- return PTR_ERR(skb);
- }
-
- if (skb->len != sizeof(*params)) {
- bt_dev_err(hdev, "Intel boot parameters size mismatch");
- kfree_skb(skb);
- return -EILSEQ;
- }
-
- params = (struct intel_boot_params *)skb->data;
- if (params->status) {
- bt_dev_err(hdev, "Intel boot parameters command failure (%02x)",
- params->status);
- err = -bt_to_errno(params->status);
- kfree_skb(skb);
+ err = btintel_read_boot_params(hdev, &params);
+ if (err)
return err;
- }
-
- bt_dev_info(hdev, "Device revision is %u",
- le16_to_cpu(params->dev_revid));
-
- bt_dev_info(hdev, "Secure boot is %s",
- params->secure_boot ? "enabled" : "disabled");
-
- bt_dev_info(hdev, "Minimum firmware build %u week %u %u",
- params->min_fw_build_nn, params->min_fw_build_cw,
- 2000 + params->min_fw_build_yy);
/* It is required that every single firmware fragment is acknowledged
* with a command complete event. If the boot parameters indicate
* that this bootloader does not send them, then abort the setup.
*/
- if (params->limited_cce != 0x00) {
+ if (params.limited_cce != 0x00) {
bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
- params->limited_cce);
- kfree_skb(skb);
+ params.limited_cce);
return -EINVAL;
}
/* If the OTP has no valid Bluetooth device address, then there will
* also be no valid address for the operational firmware.
*/
- if (!bacmp(&params->otp_bdaddr, BDADDR_ANY)) {
+ if (!bacmp(&params.otp_bdaddr, BDADDR_ANY)) {
bt_dev_info(hdev, "No device address configured");
set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
}
/* With this Intel bootloader only the hardware variant and device
- * revision information are used to select the right firmware.
+ * revision information are used to select the right firmware for SfP
+ * and WsP.
*
* The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
*
* Currently the supported hardware variants are:
* 11 (0x0b) for iBT 3.0 (LnP/SfP)
+ * 12 (0x0c) for iBT 3.5 (WsP)
+ *
+ * For ThP/JfP and for future SKU's, the FW name varies based on HW
+ * variant, HW revision and FW revision, as these are dependent on CNVi
+ * and RF Combination.
+ *
+ * 18 (0x12) for iBT3.5 (ThP/JfP)
+ *
+ * The firmware file name for these will be
+ * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
+ *
*/
- snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi",
- le16_to_cpu(ver.hw_variant),
- le16_to_cpu(params->dev_revid));
+ switch (ver.hw_variant) {
+ case 0x0b: /* SfP */
+ case 0x0c: /* WsP */
+ snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi",
+ le16_to_cpu(ver.hw_variant),
+ le16_to_cpu(params.dev_revid));
+ break;
+ case 0x12: /* ThP */
+ snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u-%u.sfi",
+ le16_to_cpu(ver.hw_variant),
+ le16_to_cpu(ver.hw_revision),
+ le16_to_cpu(ver.fw_revision));
+ break;
+ default:
+ bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
+ ver.hw_variant);
+ return -EINVAL;
+ }
err = request_firmware(&fw, fwname, &hdev->dev);
if (err < 0) {
bt_dev_err(hdev, "Failed to load Intel firmware file (%d)",
err);
- kfree_skb(skb);
return err;
}
bt_dev_info(hdev, "Found device firmware: %s", fwname);
/* Save the DDC file name for later */
- snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc",
- le16_to_cpu(ver.hw_variant),
- le16_to_cpu(params->dev_revid));
-
- kfree_skb(skb);
+ switch (ver.hw_variant) {
+ case 0x0b: /* SfP */
+ case 0x0c: /* WsP */
+ snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc",
+ le16_to_cpu(ver.hw_variant),
+ le16_to_cpu(params.dev_revid));
+ break;
+ case 0x12: /* ThP */
+ snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u-%u.ddc",
+ le16_to_cpu(ver.hw_variant),
+ le16_to_cpu(ver.hw_revision),
+ le16_to_cpu(ver.fw_revision));
+ break;
+ default:
+ bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
+ ver.hw_variant);
+ return -EINVAL;
+ }
if (fw->size < 644) {
bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
@@ -745,70 +758,10 @@ static int intel_setup(struct hci_uart *hu)
set_bit(STATE_DOWNLOADING, &intel->flags);
- /* Start the firmware download transaction with the Init fragment
- * represented by the 128 bytes of CSS header.
- */
- err = btintel_secure_send(hdev, 0x00, 128, fw->data);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send firmware header (%d)", err);
- goto done;
- }
-
- /* Send the 256 bytes of public key information from the firmware
- * as the PKey fragment.
- */
- err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send firmware public key (%d)",
- err);
- goto done;
- }
-
- /* Send the 256 bytes of signature information from the firmware
- * as the Sign fragment.
- */
- err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send firmware signature (%d)",
- err);
+ /* Start firmware downloading and get boot parameter */
+ err = btintel_download_firmware(hdev, fw, &boot_param);
+ if (err < 0)
goto done;
- }
-
- fw_ptr = fw->data + 644;
- frag_len = 0;
-
- while (fw_ptr - fw->data < fw->size) {
- struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
-
- frag_len += sizeof(*cmd) + cmd->plen;
-
- bt_dev_dbg(hdev, "Patching %td/%zu", (fw_ptr - fw->data),
- fw->size);
-
- /* The parameter length of the secure send command requires
- * a 4 byte alignment. It happens so that the firmware file
- * contains proper Intel_NOP commands to align the fragments
- * as needed.
- *
- * Send set of commands with 4 byte alignment from the
- * firmware data buffer as a single Data fragement.
- */
- if (frag_len % 4)
- continue;
-
- /* Send each command from the firmware data buffer as
- * a single Data fragment.
- */
- err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send firmware data (%d)",
- err);
- goto done;
- }
-
- fw_ptr += frag_len;
- frag_len = 0;
- }
set_bit(STATE_FIRMWARE_LOADED, &intel->flags);
@@ -869,12 +822,9 @@ done:
set_bit(STATE_BOOTING, &intel->flags);
- skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
- HCI_CMD_TIMEOUT);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- kfree_skb(skb);
+ err = btintel_send_intel_reset(hdev, boot_param);
+ if (err)
+ return err;
/* The bootloader will not indicate when the device is ready. This
* is done by the operational firmware sending bootup notification.
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index c823914b3a80..b6a71705b7d6 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -794,7 +794,7 @@ static ssize_t hci_uart_tty_write(struct tty_struct *tty, struct file *file,
return 0;
}
-static unsigned int hci_uart_tty_poll(struct tty_struct *tty,
+static __poll_t hci_uart_tty_poll(struct tty_struct *tty,
struct file *filp, poll_table *wait)
{
return 0;
diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index e2c078d61730..1b4417a623a4 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -53,9 +53,14 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <linux/gpio/consumer.h>
+#include <linux/nvmem-consumer.h>
#include "hci_uart.h"
+/* Vendor-specific HCI commands */
+#define HCI_VS_WRITE_BD_ADDR 0xfc06
+#define HCI_VS_UPDATE_UART_HCI_BAUDRATE 0xff36
+
/* HCILL commands */
#define HCILL_GO_TO_SLEEP_IND 0x30
#define HCILL_GO_TO_SLEEP_ACK 0x31
@@ -86,6 +91,7 @@ struct ll_device {
struct serdev_device *serdev;
struct gpio_desc *enable_gpio;
struct clk *ext_clk;
+ bdaddr_t bdaddr;
};
struct ll_struct {
@@ -620,7 +626,7 @@ static int download_firmware(struct ll_device *lldev)
case ACTION_SEND_COMMAND: /* action send */
bt_dev_dbg(lldev->hu.hdev, "S");
cmd = (struct hci_command *)action_ptr;
- if (cmd->opcode == 0xff36) {
+ if (cmd->opcode == HCI_VS_UPDATE_UART_HCI_BAUDRATE) {
/* ignore remote change
* baud rate HCI VS command
*/
@@ -628,11 +634,11 @@ static int download_firmware(struct ll_device *lldev)
break;
}
if (cmd->prefix != 1)
- bt_dev_dbg(lldev->hu.hdev, "command type %d\n", cmd->prefix);
+ bt_dev_dbg(lldev->hu.hdev, "command type %d", cmd->prefix);
skb = __hci_cmd_sync(lldev->hu.hdev, cmd->opcode, cmd->plen, &cmd->speed, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
- bt_dev_err(lldev->hu.hdev, "send command failed\n");
+ bt_dev_err(lldev->hu.hdev, "send command failed");
err = PTR_ERR(skb);
goto out_rel_fw;
}
@@ -659,6 +665,24 @@ out_rel_fw:
return err;
}
+static int ll_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ bdaddr_t bdaddr_swapped;
+ struct sk_buff *skb;
+
+ /* HCI_VS_WRITE_BD_ADDR (at least on a CC2560A chip) expects the BD
+ * address to be MSB first, but bdaddr_t has the convention of being
+ * LSB first.
+ */
+ baswap(&bdaddr_swapped, bdaddr);
+ skb = __hci_cmd_sync(hdev, HCI_VS_WRITE_BD_ADDR, sizeof(bdaddr_t),
+ &bdaddr_swapped, HCI_INIT_TIMEOUT);
+ if (!IS_ERR(skb))
+ kfree_skb(skb);
+
+ return PTR_ERR_OR_ZERO(skb);
+}
+
static int ll_setup(struct hci_uart *hu)
{
int err, retry = 3;
@@ -671,14 +695,20 @@ static int ll_setup(struct hci_uart *hu)
lldev = serdev_device_get_drvdata(serdev);
+ hu->hdev->set_bdaddr = ll_set_bdaddr;
+
serdev_device_set_flow_control(serdev, true);
do {
- /* Configure BT_EN to HIGH state */
+ /* Reset the Bluetooth device */
gpiod_set_value_cansleep(lldev->enable_gpio, 0);
msleep(5);
gpiod_set_value_cansleep(lldev->enable_gpio, 1);
- msleep(100);
+ err = serdev_device_wait_for_cts(serdev, true, 200);
+ if (err) {
+ bt_dev_err(hu->hdev, "Failed to get CTS");
+ return err;
+ }
err = download_firmware(lldev);
if (!err)
@@ -691,6 +721,18 @@ static int ll_setup(struct hci_uart *hu)
if (err)
return err;
+ /* Set BD address if one was specified at probe */
+ if (!bacmp(&lldev->bdaddr, BDADDR_NONE)) {
+ /* This means that there was an error getting the BD address
+ * during probe, so mark the device as having a bad address.
+ */
+ set_bit(HCI_QUIRK_INVALID_BDADDR, &hu->hdev->quirks);
+ } else if (bacmp(&lldev->bdaddr, BDADDR_ANY)) {
+ err = ll_set_bdaddr(hu->hdev, &lldev->bdaddr);
+ if (err)
+ set_bit(HCI_QUIRK_INVALID_BDADDR, &hu->hdev->quirks);
+ }
+
/* Operational speed if any */
if (hu->oper_speed)
speed = hu->oper_speed;
@@ -700,7 +742,12 @@ static int ll_setup(struct hci_uart *hu)
speed = 0;
if (speed) {
- struct sk_buff *skb = __hci_cmd_sync(hu->hdev, 0xff36, sizeof(speed), &speed, HCI_INIT_TIMEOUT);
+ __le32 speed_le = cpu_to_le32(speed);
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync(hu->hdev, HCI_VS_UPDATE_UART_HCI_BAUDRATE,
+ sizeof(speed_le), &speed_le,
+ HCI_INIT_TIMEOUT);
if (!IS_ERR(skb)) {
kfree_skb(skb);
serdev_device_set_baudrate(serdev, speed);
@@ -716,6 +763,7 @@ static int hci_ti_probe(struct serdev_device *serdev)
{
struct hci_uart *hu;
struct ll_device *lldev;
+ struct nvmem_cell *bdaddr_cell;
u32 max_speed = 3000000;
lldev = devm_kzalloc(&serdev->dev, sizeof(struct ll_device), GFP_KERNEL);
@@ -737,6 +785,52 @@ static int hci_ti_probe(struct serdev_device *serdev)
of_property_read_u32(serdev->dev.of_node, "max-speed", &max_speed);
hci_uart_set_speeds(hu, 115200, max_speed);
+ /* optional BD address from nvram */
+ bdaddr_cell = nvmem_cell_get(&serdev->dev, "bd-address");
+ if (IS_ERR(bdaddr_cell)) {
+ int err = PTR_ERR(bdaddr_cell);
+
+ if (err == -EPROBE_DEFER)
+ return err;
+
+ /* ENOENT means there is no matching nvmem cell and ENOSYS
+ * means that nvmem is not enabled in the kernel configuration.
+ */
+ if (err != -ENOENT && err != -ENOSYS) {
+ /* If there was some other error, give userspace a
+ * chance to fix the problem instead of failing to load
+ * the driver. Using BDADDR_NONE as a flag that is
+ * tested later in the setup function.
+ */
+ dev_warn(&serdev->dev,
+ "Failed to get \"bd-address\" nvmem cell (%d)\n",
+ err);
+ bacpy(&lldev->bdaddr, BDADDR_NONE);
+ }
+ } else {
+ bdaddr_t *bdaddr;
+ size_t len;
+
+ bdaddr = nvmem_cell_read(bdaddr_cell, &len);
+ nvmem_cell_put(bdaddr_cell);
+ if (IS_ERR(bdaddr)) {
+ dev_err(&serdev->dev, "Failed to read nvmem bd-address\n");
+ return PTR_ERR(bdaddr);
+ }
+ if (len != sizeof(bdaddr_t)) {
+ dev_err(&serdev->dev, "Invalid nvmem bd-address length\n");
+ kfree(bdaddr);
+ return -EINVAL;
+ }
+
+ /* As per the device tree bindings, the value from nvmem is
+ * expected to be MSB first, but in the kernel it is expected
+ * that bdaddr_t is LSB first.
+ */
+ baswap(&lldev->bdaddr, bdaddr);
+ kfree(bdaddr);
+ }
+
return hci_uart_register_device(hu, &llp);
}
@@ -748,6 +842,7 @@ static void hci_ti_remove(struct serdev_device *serdev)
}
static const struct of_device_id hci_ti_of_match[] = {
+ { .compatible = "ti,cc2560" },
{ .compatible = "ti,wl1271-st" },
{ .compatible = "ti,wl1273-st" },
{ .compatible = "ti,wl1281-st" },
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index bbd7db7384e6..05ec530b8a3a 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -932,6 +932,9 @@ static int qca_setup(struct hci_uart *hu)
if (!ret) {
set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
qca_debugfs_init(hdev);
+ } else if (ret == -ENOENT) {
+ /* No patch/nvm-config found, run with original fw/config */
+ ret = 0;
}
/* Setup bdaddr */
diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c
index 71664b22ec9d..e0e6461b9200 100644
--- a/drivers/bluetooth/hci_serdev.c
+++ b/drivers/bluetooth/hci_serdev.c
@@ -303,6 +303,7 @@ int hci_uart_register_device(struct hci_uart *hu,
hci_set_drvdata(hdev, hu);
INIT_WORK(&hu->write_work, hci_uart_write_work);
+ percpu_init_rwsem(&hu->proto_lock);
/* Only when vendor specific setup callback is provided, consider
* the manufacturer information valid. This avoids filling in the
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index e6f6dbc04131..0521748a1972 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -299,7 +299,7 @@ static ssize_t vhci_write(struct kiocb *iocb, struct iov_iter *from)
return vhci_get_user(data, from);
}
-static unsigned int vhci_poll(struct file *file, poll_table *wait)
+static __poll_t vhci_poll(struct file *file, poll_table *wait)
{
struct vhci_data *data = file->private_data;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.