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path: root/drivers/bluetooth/btrtl.c
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Diffstat (limited to 'drivers/bluetooth/btrtl.c')
-rw-r--r--drivers/bluetooth/btrtl.c90
1 files changed, 63 insertions, 27 deletions
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index f2f37143c454..5603b282f9bc 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -7,7 +7,7 @@
#include <linux/module.h>
#include <linux/firmware.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <linux/usb.h>
#include <net/bluetooth/bluetooth.h>
@@ -30,6 +30,7 @@
#define RTL_ROM_LMP_8822B 0x8822
#define RTL_ROM_LMP_8852A 0x8852
#define RTL_ROM_LMP_8851B 0x8851
+#define RTL_ROM_LMP_8922A 0x8922
#define RTL_CONFIG_MAGIC 0x8723ab55
#define RTL_VSC_OP_COREDUMP 0xfcff
@@ -49,7 +50,7 @@
#define RTL_CHIP_SUBVER (&(struct rtl_vendor_cmd) {{0x10, 0x38, 0x04, 0x28, 0x80}})
#define RTL_CHIP_REV (&(struct rtl_vendor_cmd) {{0x10, 0x3A, 0x04, 0x28, 0x80}})
-#define RTL_SEC_PROJ (&(struct rtl_vendor_cmd) {{0x10, 0xA4, 0x0D, 0x00, 0xb0}})
+#define RTL_SEC_PROJ (&(struct rtl_vendor_cmd) {{0x10, 0xA4, 0xAD, 0x00, 0xb0}})
#define RTL_PATCH_SNIPPETS 0x01
#define RTL_PATCH_DUMMY_HEADER 0x02
@@ -69,7 +70,9 @@ enum btrtl_chip_id {
CHIP_ID_8852B = 20,
CHIP_ID_8852C = 25,
CHIP_ID_8851B = 36,
+ CHIP_ID_8922A = 44,
CHIP_ID_8852BT = 47,
+ CHIP_ID_8761C = 51,
};
struct id_table {
@@ -228,6 +231,14 @@ static const struct id_table ic_id_table[] = {
.cfg_name = "rtl_bt/rtl8761bu_config",
.hw_info = "rtl8761bu" },
+ /* 8761CU */
+ { IC_INFO(RTL_ROM_LMP_8761A, 0x0e, 0, HCI_USB),
+ .config_needed = false,
+ .has_rom_version = true,
+ .fw_name = "rtl_bt/rtl8761cu_fw",
+ .cfg_name = "rtl_bt/rtl8761cu_config",
+ .hw_info = "rtl8761cu" },
+
/* 8822C with UART interface */
{ IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0x8, HCI_UART),
.config_needed = true,
@@ -309,6 +320,15 @@ static const struct id_table ic_id_table[] = {
.cfg_name = "rtl_bt/rtl8851bu_config",
.hw_info = "rtl8851bu" },
+ /* 8922A */
+ { IC_INFO(RTL_ROM_LMP_8922A, 0xa, 0xc, HCI_USB),
+ .config_needed = false,
+ .has_rom_version = true,
+ .has_msft_ext = true,
+ .fw_name = "rtl_bt/rtl8922au_fw",
+ .cfg_name = "rtl_bt/rtl8922au_config",
+ .hw_info = "rtl8922au" },
+
/* 8852BT/8852BE-VT */
{ IC_INFO(RTL_ROM_LMP_8852A, 0x87, 0xc, HCI_USB),
.config_needed = false,
@@ -333,7 +353,8 @@ static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev,
(ic_id_table[i].hci_rev != hci_rev))
continue;
if ((ic_id_table[i].match_flags & IC_MATCH_FL_HCIVER) &&
- (ic_id_table[i].hci_ver != hci_ver))
+ (ic_id_table[i].hci_ver != hci_ver) &&
+ (ic_id_table[i].hci_ver != 0))
continue;
if ((ic_id_table[i].match_flags & IC_MATCH_FL_HCIBUS) &&
(ic_id_table[i].hci_bus != hci_bus))
@@ -523,7 +544,6 @@ static int rtlbt_parse_firmware_v2(struct hci_dev *hdev,
{
struct rtl_epatch_header_v2 *hdr;
int rc;
- u8 reg_val[2];
u8 key_id;
u32 num_sections;
struct rtl_section *section;
@@ -538,14 +558,7 @@ static int rtlbt_parse_firmware_v2(struct hci_dev *hdev,
.len = btrtl_dev->fw_len - 7, /* Cut the tail */
};
- rc = btrtl_vendor_read_reg16(hdev, RTL_SEC_PROJ, reg_val);
- if (rc < 0)
- return -EIO;
- key_id = reg_val[0];
-
- rtl_dev_dbg(hdev, "%s: key id %u", __func__, key_id);
-
- btrtl_dev->key_id = key_id;
+ key_id = btrtl_dev->key_id;
hdr = rtl_iov_pull_data(&iov, sizeof(*hdr));
if (!hdr)
@@ -614,8 +627,10 @@ static int rtlbt_parse_firmware_v2(struct hci_dev *hdev,
len += entry->len;
}
- if (!len)
+ if (!len) {
+ kvfree(ptr);
return -EPERM;
+ }
*_buf = ptr;
return len;
@@ -655,7 +670,9 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
{ RTL_ROM_LMP_8852A, 20 }, /* 8852B */
{ RTL_ROM_LMP_8852A, 25 }, /* 8852C */
{ RTL_ROM_LMP_8851B, 36 }, /* 8851B */
+ { RTL_ROM_LMP_8922A, 44 }, /* 8922A */
{ RTL_ROM_LMP_8852A, 47 }, /* 8852BT */
+ { RTL_ROM_LMP_8761A, 51 }, /* 8761C */
};
if (btrtl_dev->fw_len <= 8)
@@ -681,7 +698,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
/* Loop from the end of the firmware parsing instructions, until
* we find an instruction that identifies the "project ID" for the
- * hardware supported by this firwmare file.
+ * hardware supported by this firmware file.
* Once we have that, we double-check that project_id is suitable
* for the hardware we are working with.
*/
@@ -878,10 +895,8 @@ static int rtl_load_file(struct hci_dev *hdev, const char *name, u8 **buff)
if (ret < 0)
return ret;
ret = fw->size;
- *buff = kvmalloc(fw->size, GFP_KERNEL);
- if (*buff)
- memcpy(*buff, fw->data, ret);
- else
+ *buff = kvmemdup(fw->data, fw->size, GFP_KERNEL);
+ if (!*buff)
ret = -ENOMEM;
release_firmware(fw);
@@ -1058,6 +1073,8 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
u16 hci_rev, lmp_subver;
u8 hci_ver, lmp_ver, chip_type = 0;
int ret;
+ int rc;
+ u8 key_id;
u8 reg_val[2];
btrtl_dev = kzalloc(sizeof(*btrtl_dev), GFP_KERNEL);
@@ -1168,6 +1185,14 @@ next:
goto err_free;
}
+ rc = btrtl_vendor_read_reg16(hdev, RTL_SEC_PROJ, reg_val);
+ if (rc < 0)
+ goto err_free;
+
+ key_id = reg_val[0];
+ btrtl_dev->key_id = key_id;
+ rtl_dev_info(hdev, "%s: key id %u", __func__, key_id);
+
btrtl_dev->fw_len = -EIO;
if (lmp_subver == RTL_ROM_LMP_8852A && hci_rev == 0x000c) {
snprintf(fw_name, sizeof(fw_name), "%s_v2.bin",
@@ -1190,7 +1215,7 @@ next:
goto err_free;
}
- if (btrtl_dev->ic_info->cfg_name) {
+ if (btrtl_dev->ic_info->cfg_name && !btrtl_dev->key_id) {
if (postfix) {
snprintf(cfg_name, sizeof(cfg_name), "%s-%s.bin",
btrtl_dev->ic_info->cfg_name, postfix);
@@ -1205,6 +1230,8 @@ next:
rtl_dev_err(hdev, "mandatory config file %s not found",
btrtl_dev->ic_info->cfg_name);
ret = btrtl_dev->cfg_len;
+ if (!ret)
+ ret = -EINVAL;
goto err_free;
}
}
@@ -1255,6 +1282,7 @@ int btrtl_download_firmware(struct hci_dev *hdev,
case RTL_ROM_LMP_8852A:
case RTL_ROM_LMP_8703B:
case RTL_ROM_LMP_8851B:
+ case RTL_ROM_LMP_8922A:
err = btrtl_setup_rtl8723b(hdev, btrtl_dev);
break;
default:
@@ -1274,7 +1302,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
/* Enable controller to do both LE scan and BR/EDR inquiry
* simultaneously.
*/
- set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+ hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY);
/* Enable central-peripheral role (able to create new connections with
* an existing connection in slave role).
@@ -1286,9 +1314,10 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
case CHIP_ID_8852B:
case CHIP_ID_8852C:
case CHIP_ID_8851B:
+ case CHIP_ID_8922A:
case CHIP_ID_8852BT:
- set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
- set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
+ case CHIP_ID_8761C:
+ hci_set_quirk(hdev, HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED);
/* RTL8852C needs to transmit mSBC data continuously without
* the zero length of USB packets for the ALT 6 supported chips
@@ -1297,8 +1326,10 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
btrealtek_set_flag(hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP);
if (btrtl_dev->project_id == CHIP_ID_8852A ||
+ btrtl_dev->project_id == CHIP_ID_8852B ||
btrtl_dev->project_id == CHIP_ID_8852C)
- set_bit(HCI_QUIRK_USE_MSFT_EXT_ADDRESS_FILTER, &hdev->quirks);
+ hci_set_quirk(hdev,
+ HCI_QUIRK_USE_MSFT_EXT_ADDRESS_FILTER);
hci_set_aosp_capable(hdev);
break;
@@ -1317,8 +1348,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
* but it doesn't support any features from page 2 -
* it either responds with garbage or with error status
*/
- set_bit(HCI_QUIRK_BROKEN_LOCAL_EXT_FEATURES_PAGE_2,
- &hdev->quirks);
+ hci_set_quirk(hdev, HCI_QUIRK_BROKEN_LOCAL_EXT_FEATURES_PAGE_2);
break;
default:
break;
@@ -1339,12 +1369,14 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
btrtl_set_quirks(hdev, btrtl_dev);
- hci_set_hw_info(hdev,
+ if (btrtl_dev->ic_info) {
+ hci_set_hw_info(hdev,
"RTL lmp_subver=%u hci_rev=%u hci_ver=%u hci_bus=%u",
btrtl_dev->ic_info->lmp_subver,
btrtl_dev->ic_info->hci_rev,
btrtl_dev->ic_info->hci_ver,
btrtl_dev->ic_info->hci_bus);
+ }
btrtl_free(btrtl_dev);
return ret;
@@ -1359,7 +1391,7 @@ int btrtl_shutdown_realtek(struct hci_dev *hdev)
/* According to the vendor driver, BT must be reset on close to avoid
* firmware crash.
*/
- skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
+ skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_CMD_TIMEOUT);
if (IS_ERR(skb)) {
ret = PTR_ERR(skb);
bt_dev_err(hdev, "HCI reset during shutdown failed");
@@ -1504,6 +1536,8 @@ MODULE_FIRMWARE("rtl_bt/rtl8761b_fw.bin");
MODULE_FIRMWARE("rtl_bt/rtl8761b_config.bin");
MODULE_FIRMWARE("rtl_bt/rtl8761bu_fw.bin");
MODULE_FIRMWARE("rtl_bt/rtl8761bu_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8761cu_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8761cu_config.bin");
MODULE_FIRMWARE("rtl_bt/rtl8821a_fw.bin");
MODULE_FIRMWARE("rtl_bt/rtl8821a_config.bin");
MODULE_FIRMWARE("rtl_bt/rtl8821c_fw.bin");
@@ -1529,3 +1563,5 @@ MODULE_FIRMWARE("rtl_bt/rtl8852btu_config.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw_v2.bin");
MODULE_FIRMWARE("rtl_bt/rtl8852cu_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8922au_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8922au_config.bin");
generated by cgit (git 2.34.1) at 2025-12-25 05:38:59 +0000