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msm: gsi: add gsi profiling stats and fw version to debugfs

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Add GSI profiling stats data and the GSI FW version to debug fs.

Change-Id: I5749339f5ec9656e636a512668025bb09a97a3ec
Acked-by: Nadav Levintov <nadavl@qti.qualcomm.com>
Signed-off-by: Sivan Reinstein <sivanr@codeaurora.org>
This commit is contained in:
Sivan Reinstein
2021-04-29 09:39:20 +03:00
parent e0364fbb38
commit d1dfec34da
5 changed files with 284 additions and 2 deletions
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75
drivers/platform/msm/gsi/gsi.c
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@@ -43,6 +43,15 @@
#define GSI_MSB(num) ((u32)((num & GSI_MSB_MASK) >> 32))
#define GSI_LSB(num) ((u32)(num & GSI_LSB_MASK))
#define GSI_INST_RAM_FW_VER_OFFSET (0)
#define GSI_INST_RAM_FW_VER_GSI_3_0_OFFSET (64)
#define GSI_INST_RAM_FW_VER_HW_MASK (0xFC00)
#define GSI_INST_RAM_FW_VER_HW_SHIFT (10)
#define GSI_INST_RAM_FW_VER_FLAVOR_MASK (0x380)
#define GSI_INST_RAM_FW_VER_FLAVOR_SHIFT (7)
#define GSI_INST_RAM_FW_VER_FW_MASK (0x7f)
#define GSI_INST_RAM_FW_VER_FW_SHIFT (0)
#ifndef CONFIG_DEBUG_FS
void gsi_debugfs_init(void)
{
@@ -5069,6 +5078,72 @@ static union __packed gsi_channel_scratch __gsi_update_mhi_channel_scratch(
return scr;
}
/**
* gsi_get_hw_profiling_stats() - Query GSI HW profiling stats
* @stats: [out] stats blob from client populated by driver
*
* Returns: 0 on success, negative on failure
*
*/
int gsi_get_hw_profiling_stats(struct gsi_hw_profiling_data *stats)
{
if (stats == NULL) {
GSIERR("bad parms NULL stats == NULL\n");
return -EINVAL;
}
stats->bp_cnt = (u64)gsihal_read_reg(
GSI_GSI_MCS_PROFILING_BP_CNT_LSB) +
((u64)gsihal_read_reg(
GSI_GSI_MCS_PROFILING_BP_CNT_MSB) << 32);
stats->bp_and_pending_cnt = (u64)gsihal_read_reg(
GSI_GSI_MCS_PROFILING_BP_AND_PENDING_CNT_LSB) +
((u64)gsihal_read_reg(
GSI_GSI_MCS_PROFILING_BP_AND_PENDING_CNT_MSB) << 32);
stats->mcs_busy_cnt = (u64)gsihal_read_reg(
GSI_GSI_MCS_PROFILING_MCS_BUSY_CNT_LSB) +
((u64)gsihal_read_reg(
GSI_GSI_MCS_PROFILING_MCS_BUSY_CNT_MSB) << 32);
stats->mcs_idle_cnt = (u64)gsihal_read_reg(
GSI_GSI_MCS_PROFILING_MCS_IDLE_CNT_LSB) +
((u64)gsihal_read_reg(
GSI_GSI_MCS_PROFILING_MCS_IDLE_CNT_MSB) << 32);
return 0;
}
/**
* gsi_get_fw_version() - Query GSI FW version
* @ver: [out] ver blob from client populated by driver
*
* Returns: 0 on success, negative on failure
*
*/
int gsi_get_fw_version(struct gsi_fw_version *ver)
{
u32 raw = 0;
if (ver == NULL) {
GSIERR("bad parms: ver == NULL\n");
return -EINVAL;
}
if (gsi_ctx->per.ver < GSI_VER_3_0)
raw = gsihal_read_reg_n(GSI_GSI_INST_RAM_n,
GSI_INST_RAM_FW_VER_OFFSET);
else
raw = gsihal_read_reg_n(GSI_GSI_INST_RAM_n,
GSI_INST_RAM_FW_VER_GSI_3_0_OFFSET);
ver->hw = (raw & GSI_INST_RAM_FW_VER_HW_MASK) >>
GSI_INST_RAM_FW_VER_HW_SHIFT;
ver->flavor = (raw & GSI_INST_RAM_FW_VER_FLAVOR_MASK) >>
GSI_INST_RAM_FW_VER_FLAVOR_SHIFT;
ver->fw = (raw & GSI_INST_RAM_FW_VER_FW_MASK) >>
GSI_INST_RAM_FW_VER_FW_SHIFT;
return 0;
}
static int msm_gsi_probe(struct platform_device *pdev)
{