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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /drivers/bluetooth/btintel.c
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/bluetooth/btintel.c')
-rw-r--r--drivers/bluetooth/btintel.c207
1 files changed, 105 insertions, 102 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 6ba7f5d1b8..7ecc67deec 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -26,21 +26,11 @@
#define ECDSA_OFFSET 644
#define ECDSA_HEADER_LEN 320
-#define BTINTEL_PPAG_NAME "PPAG"
-
enum {
DSM_SET_WDISABLE2_DELAY = 1,
DSM_SET_RESET_METHOD = 3,
};
-/* structure to store the PPAG data read from ACPI table */
-struct btintel_ppag {
- u32 domain;
- u32 mode;
- acpi_status status;
- struct hci_dev *hdev;
-};
-
#define CMD_WRITE_BOOT_PARAMS 0xfc0e
struct cmd_write_boot_params {
__le32 boot_addr;
@@ -245,7 +235,7 @@ static int btintel_set_diag_combined(struct hci_dev *hdev, bool enable)
return ret;
}
-static void btintel_hw_error(struct hci_dev *hdev, u8 code)
+void btintel_hw_error(struct hci_dev *hdev, u8 code)
{
struct sk_buff *skb;
u8 type = 0x00;
@@ -277,6 +267,7 @@ static void btintel_hw_error(struct hci_dev *hdev, u8 code)
kfree_skb(skb);
}
+EXPORT_SYMBOL_GPL(btintel_hw_error);
int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver)
{
@@ -455,8 +446,8 @@ int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver)
}
EXPORT_SYMBOL_GPL(btintel_read_version);
-static int btintel_version_info_tlv(struct hci_dev *hdev,
- struct intel_version_tlv *version)
+int btintel_version_info_tlv(struct hci_dev *hdev,
+ struct intel_version_tlv *version)
{
const char *variant;
@@ -481,6 +472,7 @@ static int btintel_version_info_tlv(struct hci_dev *hdev,
case 0x19: /* Slr-F */
case 0x1b: /* Mgr */
case 0x1c: /* Gale Peak (GaP) */
+ case 0x1e: /* BlazarI (Bzr) */
break;
default:
bt_dev_err(hdev, "Unsupported Intel hardware variant (0x%x)",
@@ -489,7 +481,7 @@ static int btintel_version_info_tlv(struct hci_dev *hdev,
}
switch (version->img_type) {
- case 0x01:
+ case BTINTEL_IMG_BOOTLOADER:
variant = "Bootloader";
/* It is required that every single firmware fragment is acknowledged
* with a command complete event. If the boot parameters indicate
@@ -521,7 +513,10 @@ static int btintel_version_info_tlv(struct hci_dev *hdev,
version->min_fw_build_nn, version->min_fw_build_cw,
2000 + version->min_fw_build_yy);
break;
- case 0x03:
+ case BTINTEL_IMG_IML:
+ variant = "Intermediate loader";
+ break;
+ case BTINTEL_IMG_OP:
variant = "Firmware";
break;
default:
@@ -535,15 +530,16 @@ static int btintel_version_info_tlv(struct hci_dev *hdev,
bt_dev_info(hdev, "%s timestamp %u.%u buildtype %u build %u", variant,
2000 + (version->timestamp >> 8), version->timestamp & 0xff,
version->build_type, version->build_num);
- if (version->img_type == 0x03)
+ if (version->img_type == BTINTEL_IMG_OP)
bt_dev_info(hdev, "Firmware SHA1: 0x%8.8x", version->git_sha1);
return 0;
}
+EXPORT_SYMBOL_GPL(btintel_version_info_tlv);
-static int btintel_parse_version_tlv(struct hci_dev *hdev,
- struct intel_version_tlv *version,
- struct sk_buff *skb)
+int btintel_parse_version_tlv(struct hci_dev *hdev,
+ struct intel_version_tlv *version,
+ struct sk_buff *skb)
{
/* Consume Command Complete Status field */
skb_pull(skb, 1);
@@ -645,6 +641,7 @@ static int btintel_parse_version_tlv(struct hci_dev *hdev,
return 0;
}
+EXPORT_SYMBOL_GPL(btintel_parse_version_tlv);
static int btintel_read_version_tlv(struct hci_dev *hdev,
struct intel_version_tlv *version)
@@ -1172,7 +1169,7 @@ static int btintel_download_fw_tlv(struct hci_dev *hdev,
* If the firmware version has changed that means it needs to be reset
* to bootloader when operational so the new firmware can be loaded.
*/
- if (ver->img_type == 0x03)
+ if (ver->img_type == BTINTEL_IMG_OP)
return -EINVAL;
/* iBT hardware variants 0x0b, 0x0c, 0x11, 0x12, 0x13, 0x14 support
@@ -1317,65 +1314,6 @@ static int btintel_read_debug_features(struct hci_dev *hdev,
return 0;
}
-static acpi_status btintel_ppag_callback(acpi_handle handle, u32 lvl, void *data,
- void **ret)
-{
- acpi_status status;
- size_t len;
- struct btintel_ppag *ppag = data;
- union acpi_object *p, *elements;
- struct acpi_buffer string = {ACPI_ALLOCATE_BUFFER, NULL};
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- struct hci_dev *hdev = ppag->hdev;
-
- status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &string);
- if (ACPI_FAILURE(status)) {
- bt_dev_warn(hdev, "PPAG-BT: ACPI Failure: %s", acpi_format_exception(status));
- return status;
- }
-
- len = strlen(string.pointer);
- if (len < strlen(BTINTEL_PPAG_NAME)) {
- kfree(string.pointer);
- return AE_OK;
- }
-
- if (strncmp((char *)string.pointer + len - 4, BTINTEL_PPAG_NAME, 4)) {
- kfree(string.pointer);
- return AE_OK;
- }
- kfree(string.pointer);
-
- status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
- if (ACPI_FAILURE(status)) {
- ppag->status = status;
- bt_dev_warn(hdev, "PPAG-BT: ACPI Failure: %s", acpi_format_exception(status));
- return status;
- }
-
- p = buffer.pointer;
- ppag = (struct btintel_ppag *)data;
-
- if (p->type != ACPI_TYPE_PACKAGE || p->package.count != 2) {
- kfree(buffer.pointer);
- bt_dev_warn(hdev, "PPAG-BT: Invalid object type: %d or package count: %d",
- p->type, p->package.count);
- ppag->status = AE_ERROR;
- return AE_ERROR;
- }
-
- elements = p->package.elements;
-
- /* PPAG table is located at element[1] */
- p = &elements[1];
-
- ppag->domain = (u32)p->package.elements[0].integer.value;
- ppag->mode = (u32)p->package.elements[1].integer.value;
- ppag->status = AE_OK;
- kfree(buffer.pointer);
- return AE_CTRL_TERMINATE;
-}
-
static int btintel_set_debug_features(struct hci_dev *hdev,
const struct intel_debug_features *features)
{
@@ -2194,10 +2132,26 @@ static void btintel_get_fw_name_tlv(const struct intel_version_tlv *ver,
char *fw_name, size_t len,
const char *suffix)
{
+ const char *format;
/* The firmware file name for new generation controllers will be
* ibt-<cnvi_top type+cnvi_top step>-<cnvr_top type+cnvr_top step>
*/
- snprintf(fw_name, len, "intel/ibt-%04x-%04x.%s",
+ switch (ver->cnvi_top & 0xfff) {
+ /* Only Blazar product supports downloading of intermediate loader
+ * image
+ */
+ case BTINTEL_CNVI_BLAZARI:
+ if (ver->img_type == BTINTEL_IMG_BOOTLOADER)
+ format = "intel/ibt-%04x-%04x-iml.%s";
+ else
+ format = "intel/ibt-%04x-%04x.%s";
+ break;
+ default:
+ format = "intel/ibt-%04x-%04x.%s";
+ break;
+ }
+
+ snprintf(fw_name, len, format,
INTEL_CNVX_TOP_PACK_SWAB(INTEL_CNVX_TOP_TYPE(ver->cnvi_top),
INTEL_CNVX_TOP_STEP(ver->cnvi_top)),
INTEL_CNVX_TOP_PACK_SWAB(INTEL_CNVX_TOP_TYPE(ver->cnvr_top),
@@ -2230,7 +2184,7 @@ static int btintel_prepare_fw_download_tlv(struct hci_dev *hdev,
* It is not possible to use the Secure Boot Parameters in this
* case since that command is only available in bootloader mode.
*/
- if (ver->img_type == 0x03) {
+ if (ver->img_type == BTINTEL_IMG_OP) {
btintel_clear_flag(hdev, INTEL_BOOTLOADER);
btintel_check_bdaddr(hdev);
} else {
@@ -2404,10 +2358,13 @@ error:
static void btintel_set_ppag(struct hci_dev *hdev, struct intel_version_tlv *ver)
{
- struct btintel_ppag ppag;
struct sk_buff *skb;
struct hci_ppag_enable_cmd ppag_cmd;
acpi_handle handle;
+ struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+ union acpi_object *p, *elements;
+ u32 domain, mode;
+ acpi_status status;
/* PPAG is not supported if CRF is HrP2, Jfp2, JfP1 */
switch (ver->cnvr_top & 0xFFF) {
@@ -2425,22 +2382,34 @@ static void btintel_set_ppag(struct hci_dev *hdev, struct intel_version_tlv *ver
return;
}
- memset(&ppag, 0, sizeof(ppag));
-
- ppag.hdev = hdev;
- ppag.status = AE_NOT_FOUND;
- acpi_walk_namespace(ACPI_TYPE_PACKAGE, handle, 1, NULL,
- btintel_ppag_callback, &ppag, NULL);
-
- if (ACPI_FAILURE(ppag.status)) {
- if (ppag.status == AE_NOT_FOUND) {
+ status = acpi_evaluate_object(handle, "PPAG", NULL, &buffer);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_NOT_FOUND) {
bt_dev_dbg(hdev, "PPAG-BT: ACPI entry not found");
return;
}
+ bt_dev_warn(hdev, "PPAG-BT: ACPI Failure: %s", acpi_format_exception(status));
+ return;
+ }
+
+ p = buffer.pointer;
+ if (p->type != ACPI_TYPE_PACKAGE || p->package.count != 2) {
+ bt_dev_warn(hdev, "PPAG-BT: Invalid object type: %d or package count: %d",
+ p->type, p->package.count);
+ kfree(buffer.pointer);
return;
}
- if (ppag.domain != 0x12) {
+ elements = p->package.elements;
+
+ /* PPAG table is located at element[1] */
+ p = &elements[1];
+
+ domain = (u32)p->package.elements[0].integer.value;
+ mode = (u32)p->package.elements[1].integer.value;
+ kfree(buffer.pointer);
+
+ if (domain != 0x12) {
bt_dev_dbg(hdev, "PPAG-BT: Bluetooth domain is disabled in ACPI firmware");
return;
}
@@ -2451,19 +2420,22 @@ static void btintel_set_ppag(struct hci_dev *hdev, struct intel_version_tlv *ver
* 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");
+ mode &= 0x03;
+
+ if (!mode) {
+ bt_dev_dbg(hdev, "PPAG-BT: EU, China mode are disabled in BIOS");
return;
}
- ppag_cmd.ppag_enable_flags = cpu_to_le32(ppag.mode);
+ ppag_cmd.ppag_enable_flags = cpu_to_le32(mode);
- skb = __hci_cmd_sync(hdev, INTEL_OP_PPAG_CMD, sizeof(ppag_cmd), &ppag_cmd, HCI_CMD_TIMEOUT);
+ 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);
+ bt_dev_info(hdev, "PPAG-BT: Enabled (Mode %d)", mode);
kfree_skb(skb);
}
@@ -2577,8 +2549,8 @@ static void btintel_set_dsm_reset_method(struct hci_dev *hdev,
data->acpi_reset_method = btintel_acpi_reset_method;
}
-static int btintel_bootloader_setup_tlv(struct hci_dev *hdev,
- struct intel_version_tlv *ver)
+int btintel_bootloader_setup_tlv(struct hci_dev *hdev,
+ struct intel_version_tlv *ver)
{
u32 boot_param;
char ddcname[64];
@@ -2600,13 +2572,30 @@ static int btintel_bootloader_setup_tlv(struct hci_dev *hdev,
return err;
/* check if controller is already having an operational firmware */
- if (ver->img_type == 0x03)
+ if (ver->img_type == BTINTEL_IMG_OP)
goto finish;
err = btintel_boot(hdev, boot_param);
if (err)
return err;
+ err = btintel_read_version_tlv(hdev, ver);
+ if (err)
+ return err;
+
+ /* If image type returned is BTINTEL_IMG_IML, then controller supports
+ * intermediae loader image
+ */
+ if (ver->img_type == BTINTEL_IMG_IML) {
+ err = btintel_prepare_fw_download_tlv(hdev, ver, &boot_param);
+ if (err)
+ return err;
+
+ err = btintel_boot(hdev, boot_param);
+ if (err)
+ return err;
+ }
+
btintel_clear_flag(hdev, INTEL_BOOTLOADER);
btintel_get_fw_name_tlv(ver, ddcname, sizeof(ddcname), "ddc");
@@ -2645,8 +2634,9 @@ finish:
return 0;
}
+EXPORT_SYMBOL_GPL(btintel_bootloader_setup_tlv);
-static void btintel_set_msft_opcode(struct hci_dev *hdev, u8 hw_variant)
+void btintel_set_msft_opcode(struct hci_dev *hdev, u8 hw_variant)
{
switch (hw_variant) {
/* Legacy bootloader devices that supports MSFT Extension */
@@ -2662,6 +2652,7 @@ static void btintel_set_msft_opcode(struct hci_dev *hdev, u8 hw_variant)
case 0x19:
case 0x1b:
case 0x1c:
+ case 0x1e:
hci_set_msft_opcode(hdev, 0xFC1E);
break;
default:
@@ -2669,6 +2660,7 @@ static void btintel_set_msft_opcode(struct hci_dev *hdev, u8 hw_variant)
break;
}
}
+EXPORT_SYMBOL_GPL(btintel_set_msft_opcode);
static void btintel_print_fseq_info(struct hci_dev *hdev)
{
@@ -2920,6 +2912,11 @@ static int btintel_setup_combined(struct hci_dev *hdev)
err = -EINVAL;
}
+ hci_set_hw_info(hdev,
+ "INTEL platform=%u variant=%u revision=%u",
+ ver.hw_platform, ver.hw_variant,
+ ver.hw_revision);
+
goto exit_error;
}
@@ -2996,6 +2993,7 @@ static int btintel_setup_combined(struct hci_dev *hdev)
case 0x19:
case 0x1b:
case 0x1c:
+ case 0x1e:
/* Display version information of TLV type */
btintel_version_info_tlv(hdev, &ver_tlv);
@@ -3024,13 +3022,17 @@ static int btintel_setup_combined(struct hci_dev *hdev)
break;
}
+ hci_set_hw_info(hdev, "INTEL platform=%u variant=%u",
+ INTEL_HW_PLATFORM(ver_tlv.cnvi_bt),
+ INTEL_HW_VARIANT(ver_tlv.cnvi_bt));
+
exit_error:
kfree_skb(skb);
return err;
}
-static int btintel_shutdown_combined(struct hci_dev *hdev)
+int btintel_shutdown_combined(struct hci_dev *hdev)
{
struct sk_buff *skb;
int ret;
@@ -3064,6 +3066,7 @@ static int btintel_shutdown_combined(struct hci_dev *hdev)
return 0;
}
+EXPORT_SYMBOL_GPL(btintel_shutdown_combined);
int btintel_configure_setup(struct hci_dev *hdev, const char *driver_name)
{