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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.c125
1 files changed, 74 insertions, 51 deletions
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 4f75a9b61d09..bf3c02be6930 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -178,6 +178,27 @@ static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev,
return &ic_id_table[i];
}
+static struct sk_buff *btrtl_read_local_version(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ rtl_dev_err(hdev, "HCI_OP_READ_LOCAL_VERSION failed (%ld)",
+ PTR_ERR(skb));
+ return skb;
+ }
+
+ if (skb->len != sizeof(struct hci_rp_read_local_version)) {
+ rtl_dev_err(hdev, "HCI_OP_READ_LOCAL_VERSION event length mismatch");
+ kfree_skb(skb);
+ return ERR_PTR(-EIO);
+ }
+
+ return skb;
+}
+
static int rtl_read_rom_version(struct hci_dev *hdev, u8 *version)
{
struct rtl_rom_version_evt *rom_version;
@@ -186,19 +207,19 @@ static int rtl_read_rom_version(struct hci_dev *hdev, u8 *version)
/* Read RTL ROM version command */
skb = __hci_cmd_sync(hdev, 0xfc6d, 0, NULL, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
- rtl_dev_err(hdev, "Read ROM version failed (%ld)\n",
+ rtl_dev_err(hdev, "Read ROM version failed (%ld)",
PTR_ERR(skb));
return PTR_ERR(skb);
}
if (skb->len != sizeof(*rom_version)) {
- rtl_dev_err(hdev, "RTL version event length mismatch\n");
+ rtl_dev_err(hdev, "version event length mismatch");
kfree_skb(skb);
return -EIO;
}
rom_version = (struct rtl_rom_version_evt *)skb->data;
- rtl_dev_info(hdev, "rom_version status=%x version=%x\n",
+ rtl_dev_info(hdev, "rom_version status=%x version=%x",
rom_version->status, rom_version->version);
*version = rom_version->version;
@@ -242,7 +263,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
fwptr = btrtl_dev->fw_data + btrtl_dev->fw_len - sizeof(extension_sig);
if (memcmp(fwptr, extension_sig, sizeof(extension_sig)) != 0) {
- rtl_dev_err(hdev, "extension section signature mismatch\n");
+ rtl_dev_err(hdev, "extension section signature mismatch");
return -EINVAL;
}
@@ -263,7 +284,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
break;
if (length == 0) {
- rtl_dev_err(hdev, "found instruction with length 0\n");
+ rtl_dev_err(hdev, "found instruction with length 0");
return -EINVAL;
}
@@ -276,7 +297,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
}
if (project_id < 0) {
- rtl_dev_err(hdev, "failed to find version instruction\n");
+ rtl_dev_err(hdev, "failed to find version instruction");
return -EINVAL;
}
@@ -287,13 +308,13 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
}
if (i >= ARRAY_SIZE(project_id_to_lmp_subver)) {
- rtl_dev_err(hdev, "unknown project id %d\n", project_id);
+ rtl_dev_err(hdev, "unknown project id %d", project_id);
return -EINVAL;
}
if (btrtl_dev->ic_info->lmp_subver !=
project_id_to_lmp_subver[i].lmp_subver) {
- rtl_dev_err(hdev, "firmware is for %x but this is a %x\n",
+ rtl_dev_err(hdev, "firmware is for %x but this is a %x",
project_id_to_lmp_subver[i].lmp_subver,
btrtl_dev->ic_info->lmp_subver);
return -EINVAL;
@@ -301,7 +322,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
epatch_info = (struct rtl_epatch_header *)btrtl_dev->fw_data;
if (memcmp(epatch_info->signature, RTL_EPATCH_SIGNATURE, 8) != 0) {
- rtl_dev_err(hdev, "bad EPATCH signature\n");
+ rtl_dev_err(hdev, "bad EPATCH signature");
return -EINVAL;
}
@@ -368,6 +389,8 @@ static int rtl_download_firmware(struct hci_dev *hdev,
int frag_len = RTL_FRAG_LEN;
int ret = 0;
int i;
+ struct sk_buff *skb;
+ struct hci_rp_read_local_version *rp;
dl_cmd = kmalloc(sizeof(struct rtl_download_cmd), GFP_KERNEL);
if (!dl_cmd)
@@ -378,7 +401,11 @@ static int rtl_download_firmware(struct hci_dev *hdev,
BT_DBG("download fw (%d/%d)", i, frag_num);
- dl_cmd->index = i;
+ if (i > 0x7f)
+ dl_cmd->index = (i & 0x7f) + 1;
+ else
+ dl_cmd->index = i;
+
if (i == (frag_num - 1)) {
dl_cmd->index |= 0x80; /* data end */
frag_len = fw_len % RTL_FRAG_LEN;
@@ -389,14 +416,14 @@ static int rtl_download_firmware(struct hci_dev *hdev,
skb = __hci_cmd_sync(hdev, 0xfc20, frag_len + 1, dl_cmd,
HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
- rtl_dev_err(hdev, "download fw command failed (%ld)\n",
+ rtl_dev_err(hdev, "download fw command failed (%ld)",
PTR_ERR(skb));
ret = -PTR_ERR(skb);
goto out;
}
if (skb->len != sizeof(struct rtl_download_response)) {
- rtl_dev_err(hdev, "download fw event length mismatch\n");
+ rtl_dev_err(hdev, "download fw event length mismatch");
kfree_skb(skb);
ret = -EIO;
goto out;
@@ -406,6 +433,18 @@ static int rtl_download_firmware(struct hci_dev *hdev,
data += RTL_FRAG_LEN;
}
+ skb = btrtl_read_local_version(hdev);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ rtl_dev_err(hdev, "read local version failed");
+ goto out;
+ }
+
+ rp = (struct hci_rp_read_local_version *)skb->data;
+ rtl_dev_info(hdev, "fw version 0x%04x%04x",
+ __le16_to_cpu(rp->hci_rev), __le16_to_cpu(rp->lmp_subver));
+ kfree_skb(skb);
+
out:
kfree(dl_cmd);
return ret;
@@ -416,7 +455,7 @@ static int rtl_load_file(struct hci_dev *hdev, const char *name, u8 **buff)
const struct firmware *fw;
int ret;
- rtl_dev_info(hdev, "rtl: loading %s\n", name);
+ rtl_dev_info(hdev, "loading %s", name);
ret = request_firmware(&fw, name, &hdev->dev);
if (ret < 0)
return ret;
@@ -440,7 +479,7 @@ static int btrtl_setup_rtl8723a(struct hci_dev *hdev,
* (which is only for RTL8723B and newer).
*/
if (!memcmp(btrtl_dev->fw_data, RTL_EPATCH_SIGNATURE, 8)) {
- rtl_dev_err(hdev, "unexpected EPATCH signature!\n");
+ rtl_dev_err(hdev, "unexpected EPATCH signature!");
return -EINVAL;
}
@@ -475,7 +514,7 @@ static int btrtl_setup_rtl8723b(struct hci_dev *hdev,
fw_data = tbuff;
}
- rtl_dev_info(hdev, "cfg_sz %d, total sz %d\n", btrtl_dev->cfg_len, ret);
+ rtl_dev_info(hdev, "cfg_sz %d, total sz %d", btrtl_dev->cfg_len, ret);
ret = rtl_download_firmware(hdev, fw_data, ret);
@@ -484,27 +523,6 @@ out:
return ret;
}
-static struct sk_buff *btrtl_read_local_version(struct hci_dev *hdev)
-{
- struct sk_buff *skb;
-
- skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
- HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- rtl_dev_err(hdev, "HCI_OP_READ_LOCAL_VERSION failed (%ld)\n",
- PTR_ERR(skb));
- return skb;
- }
-
- if (skb->len != sizeof(struct hci_rp_read_local_version)) {
- rtl_dev_err(hdev, "HCI_OP_READ_LOCAL_VERSION event length mismatch\n");
- kfree_skb(skb);
- return ERR_PTR(-EIO);
- }
-
- return skb;
-}
-
void btrtl_free(struct btrtl_device_info *btrtl_dev)
{
kfree(btrtl_dev->fw_data);
@@ -537,7 +555,7 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
}
resp = (struct hci_rp_read_local_version *)skb->data;
- rtl_dev_info(hdev, "rtl: examining hci_ver=%02x hci_rev=%04x lmp_ver=%02x lmp_subver=%04x\n",
+ rtl_dev_info(hdev, "examining hci_ver=%02x hci_rev=%04x lmp_ver=%02x lmp_subver=%04x",
resp->hci_ver, resp->hci_rev,
resp->lmp_ver, resp->lmp_subver);
@@ -550,7 +568,7 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
hdev->bus);
if (!btrtl_dev->ic_info) {
- rtl_dev_info(hdev, "rtl: unknown IC info, lmp subver %04x, hci rev %04x, hci ver %04x",
+ rtl_dev_info(hdev, "unknown IC info, lmp subver %04x, hci rev %04x, hci ver %04x",
lmp_subver, hci_rev, hci_ver);
return btrtl_dev;
}
@@ -564,7 +582,7 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
btrtl_dev->fw_len = rtl_load_file(hdev, btrtl_dev->ic_info->fw_name,
&btrtl_dev->fw_data);
if (btrtl_dev->fw_len < 0) {
- rtl_dev_err(hdev, "firmware file %s not found\n",
+ rtl_dev_err(hdev, "firmware file %s not found",
btrtl_dev->ic_info->fw_name);
ret = btrtl_dev->fw_len;
goto err_free;
@@ -582,7 +600,7 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
&btrtl_dev->cfg_data);
if (btrtl_dev->ic_info->config_needed &&
btrtl_dev->cfg_len <= 0) {
- rtl_dev_err(hdev, "mandatory config file %s not found\n",
+ rtl_dev_err(hdev, "mandatory config file %s not found",
btrtl_dev->ic_info->cfg_name);
ret = btrtl_dev->cfg_len;
goto err_free;
@@ -608,7 +626,7 @@ int btrtl_download_firmware(struct hci_dev *hdev,
* to a different value.
*/
if (!btrtl_dev->ic_info) {
- rtl_dev_info(hdev, "rtl: assuming no firmware upload needed\n");
+ rtl_dev_info(hdev, "assuming no firmware upload needed");
return 0;
}
@@ -622,7 +640,7 @@ int btrtl_download_firmware(struct hci_dev *hdev,
case RTL_ROM_LMP_8822B:
return btrtl_setup_rtl8723b(hdev, btrtl_dev);
default:
- rtl_dev_info(hdev, "rtl: assuming no firmware upload needed\n");
+ rtl_dev_info(hdev, "assuming no firmware upload needed");
return 0;
}
}
@@ -641,6 +659,11 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
btrtl_free(btrtl_dev);
+ /* Enable controller to do both LE scan and BR/EDR inquiry
+ * simultaneously.
+ */
+ set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+
return ret;
}
EXPORT_SYMBOL_GPL(btrtl_setup_realtek);
@@ -714,18 +737,18 @@ int btrtl_get_uart_settings(struct hci_dev *hdev,
total_data_len = btrtl_dev->cfg_len - sizeof(*config);
if (total_data_len <= 0) {
- rtl_dev_warn(hdev, "no config loaded\n");
+ rtl_dev_warn(hdev, "no config loaded");
return -EINVAL;
}
config = (struct rtl_vendor_config *)btrtl_dev->cfg_data;
if (le32_to_cpu(config->signature) != RTL_CONFIG_MAGIC) {
- rtl_dev_err(hdev, "invalid config magic\n");
+ rtl_dev_err(hdev, "invalid config magic");
return -EINVAL;
}
if (total_data_len < le16_to_cpu(config->total_len)) {
- rtl_dev_err(hdev, "config is too short\n");
+ rtl_dev_err(hdev, "config is too short");
return -EINVAL;
}
@@ -735,7 +758,7 @@ int btrtl_get_uart_settings(struct hci_dev *hdev,
switch (le16_to_cpu(entry->offset)) {
case 0xc:
if (entry->len < sizeof(*device_baudrate)) {
- rtl_dev_err(hdev, "invalid UART config entry\n");
+ rtl_dev_err(hdev, "invalid UART config entry");
return -EINVAL;
}
@@ -752,7 +775,7 @@ int btrtl_get_uart_settings(struct hci_dev *hdev,
break;
default:
- rtl_dev_dbg(hdev, "skipping config entry 0x%x (len %u)\n",
+ rtl_dev_dbg(hdev, "skipping config entry 0x%x (len %u)",
le16_to_cpu(entry->offset), entry->len);
break;
};
@@ -761,13 +784,13 @@ int btrtl_get_uart_settings(struct hci_dev *hdev,
}
if (!found) {
- rtl_dev_err(hdev, "no UART config entry found\n");
+ rtl_dev_err(hdev, "no UART config entry found");
return -ENOENT;
}
- rtl_dev_dbg(hdev, "device baudrate = 0x%08x\n", *device_baudrate);
- rtl_dev_dbg(hdev, "controller baudrate = %u\n", *controller_baudrate);
- rtl_dev_dbg(hdev, "flow control %d\n", *flow_control);
+ rtl_dev_dbg(hdev, "device baudrate = 0x%08x", *device_baudrate);
+ rtl_dev_dbg(hdev, "controller baudrate = %u", *controller_baudrate);
+ rtl_dev_dbg(hdev, "flow control %d", *flow_control);
return 0;
}