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support init bm ulog

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Support init bm ulog to print the bm ulog at init
stage to dump adsp init log at bm ulog driver probe.
The adsp init log will help to address the issue during
adsp module init stage.

Change-Id: I4c1a79da57f73463d885ff25466444c73036f43b
Signed-off-by: yanyh2 <yanyh2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2246243
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
yanyh2 2022-04-19 16:04:40 +08:00 • committed by Yonghua Yan
commit 708f85fb4f
1 changed files with 61 additions and 1 deletions
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62
drivers/power/bm_adsp_ulog/bm_adsp_ulog.c
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@ -23,6 +23,7 @@
#define BM_ULOG_GET 0x18
#define BM_ULOG_PROP_SET 0x19
#define BM_INIT_ULOG_GET 0x23
/* Generic definitions */
#define BM_ULOG_WAIT_TIME_MS 5000
@ -114,6 +115,7 @@ static int bm_ulog_callback(void *priv, void *data, size_t len)
complete(&bmdev->ack);
break;
case BM_ULOG_GET:
case BM_INIT_ULOG_GET:
if (len != sizeof(struct bm_ulog_resp)) {
pr_err("Incorrect len %zu for bm ulog resp\n", len);
break;
@ -182,6 +184,27 @@ static int bm_ulog_request_log(struct bm_ulog_dev *bmdev, u32 size)
return rc;
}
static int bm_ulog_request_init_log(struct bm_ulog_dev *bmdev, u32 size)
{
int rc;
u32 max_logsize;
struct bm_ulog_req ulog_req = { { 0 } };
if (size > 0 && size < MAX_ULOG_READ_BUFFER_SIZE)
max_logsize = size;
else
max_logsize = MAX_ULOG_READ_BUFFER_SIZE;
ulog_req.hdr.owner = MSG_OWNER_BC;
ulog_req.hdr.type = MSG_TYPE_REQ_RESP;
ulog_req.hdr.opcode = BM_INIT_ULOG_GET;
ulog_req.max_logsize = max_logsize;
rc = bm_ulog_write(bmdev, &ulog_req, sizeof(ulog_req));
return rc;
}
int bm_ulog_get_log(char *buf, u32 size)
{
int rc;
@ -273,6 +296,32 @@ static void bm_ulog_print_buffer(struct bm_ulog_dev *bmdev, u32 size)
}
}
static int bm_ulog_print_init_log(u32 size)
{
int rc;
struct bm_ulog_dev *bmdev = g_bmdev;
if (!bmdev) {
pr_err("BM ulog has not initialized yet\n");
return -ENODEV;
}
if (!size || size > MAX_ULOG_READ_BUFFER_SIZE) {
pr_err("BM ulog invalid size=%d\n", size);
return -EINVAL;
}
rc = bm_ulog_request_init_log(bmdev, size);
if (rc) {
pr_err("BM ulog failed to request log, rc=%d\n", rc);
return rc;
}
bm_ulog_print_buffer(bmdev, size);
return 0;
}
int bm_ulog_print_log(u32 size)
{
int rc;
@ -405,6 +454,7 @@ static int bm_ulog_probe(struct platform_device *pdev)
struct bm_ulog_dev *bmdev;
struct pmic_glink_client_data client_data = { };
struct device_node *node = pdev->dev.of_node;
bool init_log_enabled, init_debug_enabled;
bmdev = devm_kzalloc(&pdev->dev, sizeof(*bmdev), GFP_KERNEL);
if (!bmdev)
@ -417,6 +467,8 @@ static int bm_ulog_probe(struct platform_device *pdev)
if (rc)
bmdev->level = BM_LOG_LEVEL_INFO;
init_log_enabled = of_property_read_bool(node, "init-log-enabled");
bmdev->dev = &pdev->dev;
client_data.id = MSG_OWNER_BC;
client_data.name = "battery_manager_adsp_ulog";
@ -441,7 +493,15 @@ static int bm_ulog_probe(struct platform_device *pdev)
if (!bmdev->ipc_log)
dev_err(bmdev->dev, "Failed to create ipc log\n");
bm_ulog_print_log(MAX_ULOG_READ_BUFFER_SIZE);
if (init_log_enabled) {
init_debug_enabled = debug_enabled;
debug_enabled = init_log_enabled;
bm_ulog_print_log(MAX_ULOG_READ_BUFFER_SIZE);
bm_ulog_print_init_log(MAX_ULOG_READ_BUFFER_SIZE);
bm_ulog_print_mask_log(bmdev->categories, bmdev->level,
MAX_ULOG_READ_BUFFER_SIZE);
debug_enabled = init_debug_enabled;
}
bm_ulog_add_debugfs(bmdev);
bm_info(bmdev, "BM adsp ulog driver initialized successfully\n");