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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.c119
1 files changed, 85 insertions, 34 deletions
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 6e2ad748abba..437f080deaab 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -35,6 +35,60 @@
#define RTL_ROM_LMP_8761A 0x8761
#define RTL_ROM_LMP_8822B 0x8822
+#define IC_MATCH_FL_LMPSUBV (1 << 0)
+#define IC_MATCH_FL_HCIREV (1 << 1)
+#define IC_INFO(lmps, hcir) \
+ .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV, \
+ .lmp_subver = (lmps), \
+ .hci_rev = (hcir)
+
+struct id_table {
+ __u16 match_flags;
+ __u16 lmp_subver;
+ __u16 hci_rev;
+ bool config_needed;
+ char *fw_name;
+ char *cfg_name;
+};
+
+static const struct id_table ic_id_table[] = {
+ /* 8723B */
+ { IC_INFO(RTL_ROM_LMP_8723B, 0xb),
+ .config_needed = false,
+ .fw_name = "rtl_bt/rtl8723b_fw.bin",
+ .cfg_name = "rtl_bt/rtl8723b_config.bin" },
+
+ /* 8723D */
+ { IC_INFO(RTL_ROM_LMP_8723B, 0xd),
+ .config_needed = true,
+ .fw_name = "rtl_bt/rtl8723d_fw.bin",
+ .cfg_name = "rtl_bt/rtl8723d_config.bin" },
+
+ /* 8821A */
+ { IC_INFO(RTL_ROM_LMP_8821A, 0xa),
+ .config_needed = false,
+ .fw_name = "rtl_bt/rtl8821a_fw.bin",
+ .cfg_name = "rtl_bt/rtl8821a_config.bin" },
+
+ /* 8821C */
+ { IC_INFO(RTL_ROM_LMP_8821A, 0xc),
+ .config_needed = false,
+ .fw_name = "rtl_bt/rtl8821c_fw.bin",
+ .cfg_name = "rtl_bt/rtl8821c_config.bin" },
+
+ /* 8761A */
+ { IC_MATCH_FL_LMPSUBV, RTL_ROM_LMP_8761A, 0x0,
+ .config_needed = false,
+ .fw_name = "rtl_bt/rtl8761a_fw.bin",
+ .cfg_name = "rtl_bt/rtl8761a_config.bin" },
+
+ /* 8822B */
+ { IC_INFO(RTL_ROM_LMP_8822B, 0xb),
+ .config_needed = true,
+ .fw_name = "rtl_bt/rtl8822b_fw.bin",
+ .cfg_name = "rtl_bt/rtl8822b_config.bin" },
+ };
+
static int rtl_read_rom_version(struct hci_dev *hdev, u8 *version)
{
struct rtl_rom_version_evt *rom_version;
@@ -64,9 +118,9 @@ static int rtl_read_rom_version(struct hci_dev *hdev, u8 *version)
return 0;
}
-static int rtl8723b_parse_firmware(struct hci_dev *hdev, u16 lmp_subver,
- const struct firmware *fw,
- unsigned char **_buf)
+static int rtlbt_parse_firmware(struct hci_dev *hdev, u16 lmp_subver,
+ const struct firmware *fw,
+ unsigned char **_buf)
{
const u8 extension_sig[] = { 0x51, 0x04, 0xfd, 0x77 };
struct rtl_epatch_header *epatch_info;
@@ -88,6 +142,8 @@ static int rtl8723b_parse_firmware(struct hci_dev *hdev, u16 lmp_subver,
{ RTL_ROM_LMP_8821A, 2 },
{ RTL_ROM_LMP_8761A, 3 },
{ RTL_ROM_LMP_8822B, 8 },
+ { RTL_ROM_LMP_8723B, 9 }, /* 8723D */
+ { RTL_ROM_LMP_8821A, 10 }, /* 8821C */
};
ret = rtl_read_rom_version(hdev, &rom_version);
@@ -320,8 +376,8 @@ out:
return ret;
}
-static int btrtl_setup_rtl8723b(struct hci_dev *hdev, u16 lmp_subver,
- const char *fw_name)
+static int btrtl_setup_rtl8723b(struct hci_dev *hdev, u16 hci_rev,
+ u16 lmp_subver)
{
unsigned char *fw_data = NULL;
const struct firmware *fw;
@@ -330,39 +386,40 @@ static int btrtl_setup_rtl8723b(struct hci_dev *hdev, u16 lmp_subver,
u8 *cfg_buff = NULL;
u8 *tbuff;
char *cfg_name = NULL;
- bool config_needed = false;
+ char *fw_name = NULL;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ic_id_table); i++) {
+ if ((ic_id_table[i].match_flags & IC_MATCH_FL_LMPSUBV) &&
+ (ic_id_table[i].lmp_subver != lmp_subver))
+ continue;
+ if ((ic_id_table[i].match_flags & IC_MATCH_FL_HCIREV) &&
+ (ic_id_table[i].hci_rev != hci_rev))
+ continue;
- switch (lmp_subver) {
- case RTL_ROM_LMP_8723B:
- cfg_name = "rtl_bt/rtl8723b_config.bin";
- break;
- case RTL_ROM_LMP_8821A:
- cfg_name = "rtl_bt/rtl8821a_config.bin";
- break;
- case RTL_ROM_LMP_8761A:
- cfg_name = "rtl_bt/rtl8761a_config.bin";
- break;
- case RTL_ROM_LMP_8822B:
- cfg_name = "rtl_bt/rtl8822b_config.bin";
- config_needed = true;
- break;
- default:
- BT_ERR("%s: rtl: no config according to lmp_subver %04x",
- hdev->name, lmp_subver);
break;
}
+ if (i >= ARRAY_SIZE(ic_id_table)) {
+ BT_ERR("%s: unknown IC info, lmp subver %04x, hci rev %04x",
+ hdev->name, lmp_subver, hci_rev);
+ return -EINVAL;
+ }
+
+ cfg_name = ic_id_table[i].cfg_name;
+
if (cfg_name) {
cfg_sz = rtl_load_config(hdev, cfg_name, &cfg_buff);
if (cfg_sz < 0) {
cfg_sz = 0;
- if (config_needed)
+ if (ic_id_table[i].config_needed)
BT_ERR("Necessary config file %s not found\n",
cfg_name);
}
} else
cfg_sz = 0;
+ fw_name = ic_id_table[i].fw_name;
bt_dev_info(hdev, "rtl: loading %s", fw_name);
ret = request_firmware(&fw, fw_name, &hdev->dev);
if (ret < 0) {
@@ -370,7 +427,7 @@ static int btrtl_setup_rtl8723b(struct hci_dev *hdev, u16 lmp_subver,
goto err_req_fw;
}
- ret = rtl8723b_parse_firmware(hdev, lmp_subver, fw, &fw_data);
+ ret = rtlbt_parse_firmware(hdev, lmp_subver, fw, &fw_data);
if (ret < 0)
goto out;
@@ -429,7 +486,7 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
{
struct sk_buff *skb;
struct hci_rp_read_local_version *resp;
- u16 lmp_subver;
+ u16 hci_rev, lmp_subver;
skb = btrtl_read_local_version(hdev);
if (IS_ERR(skb))
@@ -441,6 +498,7 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
resp->hci_ver, resp->hci_rev,
resp->lmp_ver, resp->lmp_subver);
+ hci_rev = le16_to_cpu(resp->hci_rev);
lmp_subver = le16_to_cpu(resp->lmp_subver);
kfree_skb(skb);
@@ -455,17 +513,10 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
case RTL_ROM_LMP_3499:
return btrtl_setup_rtl8723a(hdev);
case RTL_ROM_LMP_8723B:
- return btrtl_setup_rtl8723b(hdev, lmp_subver,
- "rtl_bt/rtl8723b_fw.bin");
case RTL_ROM_LMP_8821A:
- return btrtl_setup_rtl8723b(hdev, lmp_subver,
- "rtl_bt/rtl8821a_fw.bin");
case RTL_ROM_LMP_8761A:
- return btrtl_setup_rtl8723b(hdev, lmp_subver,
- "rtl_bt/rtl8761a_fw.bin");
case RTL_ROM_LMP_8822B:
- return btrtl_setup_rtl8723b(hdev, lmp_subver,
- "rtl_bt/rtl8822b_fw.bin");
+ return btrtl_setup_rtl8723b(hdev, hci_rev, lmp_subver);
default:
bt_dev_info(hdev, "rtl: assuming no firmware upload needed");
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-27 11:32:01 +0000