mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-24 01:09:38 -05:00
Code Activity

Bluetooth: btintel: Send new command for PPAG

Browse source 
Added support for the new command opcode FE0B
(HCI Intel PPAG Enable).

btmon log:
< HCI Command: Intel PPAG Enable (0x3f|0x020b) plen 4
        Enable: 0x00000002
> HCI Event: Command Complete (0x0e) plen 4
      Intel PPAG Enable (0x3f|0x020b) ncmd 1
        Status: Success (0x00)

Signed-off-by: Seema Sreemantha <seema.sreemantha@intel.com>
Signed-off-by: Lokendra Singh <lokendra.singh@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Lokendra Singh 2023-08-17 17:12:50 +05:30 • committed by Luiz Augusto von Dentz
parent 9c0826310b
commit 7866b9faf0
2 changed files with 19 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
drivers/bluetooth/btintel.c
View file

@ -2401,7 +2401,7 @@ static void btintel_set_ppag(struct hci_dev *hdev, struct intel_version_tlv *ver
{
struct btintel_ppag ppag;
struct sk_buff *skb;
struct btintel_loc_aware_reg ppag_cmd;
struct hci_ppag_enable_cmd ppag_cmd;
acpi_handle handle;
/* PPAG is not supported if CRF is HrP2, Jfp2, JfP1 */
@ -2409,6 +2409,8 @@ static void btintel_set_ppag(struct hci_dev *hdev, struct intel_version_tlv *ver
case 0x504: /* Hrp2 */
case 0x202: /* Jfp2 */
case 0x201: /* Jfp1 */
bt_dev_dbg(hdev, "PPAG not supported for Intel CNVr (0x%3x)",
ver->cnvr_top & 0xFFF);
return;
}
@ -2434,24 +2436,29 @@ static void btintel_set_ppag(struct hci_dev *hdev, struct intel_version_tlv *ver
}
if (ppag.domain != 0x12) {
bt_dev_warn(hdev, "PPAG-BT: domain is not bluetooth");
bt_dev_dbg(hdev, "PPAG-BT: Bluetooth domain is disabled in ACPI firmware");
return;
}
/* PPAG mode, BIT0 = 0 Disabled, BIT0 = 1 Enabled */
if (!(ppag.mode & BIT(0))) {
bt_dev_dbg(hdev, "PPAG-BT: disabled");
/* PPAG mode
* BIT 0 : 0 Disabled in EU
* 1 Enabled in EU
* BIT 1 : 0 Disabled in China
* 1 Enabled in China
*/
if ((ppag.mode & 0x01) != BIT(0) && (ppag.mode & 0x02) != BIT(1)) {
bt_dev_dbg(hdev, "PPAG-BT: EU, China mode are disabled in CB/BIOS");
return;
}
ppag_cmd.mcc = cpu_to_le32(0);
ppag_cmd.sel = cpu_to_le32(0); /* 0 - Enable , 1 - Disable, 2 - Testing mode */
ppag_cmd.delta = cpu_to_le32(0);
skb = __hci_cmd_sync(hdev, 0xfe19, sizeof(ppag_cmd), &ppag_cmd, HCI_CMD_TIMEOUT);
ppag_cmd.ppag_enable_flags = cpu_to_le32(ppag.mode);
skb = __hci_cmd_sync(hdev, INTEL_OP_PPAG_CMD, sizeof(ppag_cmd), &ppag_cmd, HCI_CMD_TIMEOUT);
if (IS_ERR(skb)) {
bt_dev_warn(hdev, "Failed to send PPAG Enable (%ld)", PTR_ERR(skb));
return;
}
bt_dev_info(hdev, "PPAG-BT: Enabled (Mode %d)", ppag.mode);
kfree_skb(skb);
}

7
drivers/bluetooth/btintel.h
View file

@ -137,10 +137,9 @@ struct intel_offload_use_cases {
__u8 preset[8];
} __packed;
struct btintel_loc_aware_reg {
__le32 mcc;
__le32 sel;
__le32 delta;
#define INTEL_OP_PPAG_CMD 0xFE0B
struct hci_ppag_enable_cmd {
__le32 ppag_enable_flags;
} __packed;
#define INTEL_TLV_TYPE_ID 0x01