diff options
| -rw-r--r-- | drivers/platform/x86/intel_pmc_core.c | 19 | ||||
| -rw-r--r-- | drivers/platform/x86/intel_pmc_core.h | 2 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c index fe5fddc808c4..f4a36fbabf4c 100644 --- a/drivers/platform/x86/intel_pmc_core.c +++ b/drivers/platform/x86/intel_pmc_core.c @@ -570,6 +570,7 @@ static const struct pmc_reg_map tgl_reg_map = { .lpm_residency_offset = TGL_LPM_RESIDENCY_OFFSET, .lpm_sts = tgl_lpm_maps, .lpm_status_offset = TGL_LPM_STATUS_OFFSET, + .lpm_live_status_offset = TGL_LPM_LIVE_STATUS_OFFSET, }; static inline u32 pmc_core_reg_read(struct pmc_dev *pmcdev, int reg_offset) @@ -1019,6 +1020,18 @@ static int pmc_core_substate_sts_regs_show(struct seq_file *s, void *unused) } DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_sts_regs); +static int pmc_core_substate_l_sts_regs_show(struct seq_file *s, void *unused) +{ + struct pmc_dev *pmcdev = s->private; + const struct pmc_bit_map **maps = pmcdev->map->lpm_sts; + u32 offset = pmcdev->map->lpm_live_status_offset; + + pmc_core_lpm_display(pmcdev, NULL, s, offset, "LIVE_STATUS", maps); + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_l_sts_regs); + static int pmc_core_pkgc_show(struct seq_file *s, void *unused) { struct pmc_dev *pmcdev = s->private; @@ -1096,6 +1109,12 @@ static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev) pmcdev->dbgfs_dir, pmcdev, &pmc_core_substate_sts_regs_fops); } + + if (pmcdev->map->lpm_status_offset) { + debugfs_create_file("substate_live_status_registers", 0444, + pmcdev->dbgfs_dir, pmcdev, + &pmc_core_substate_l_sts_regs_fops); + } } #else static inline void pmc_core_dbgfs_register(struct pmc_dev *pmcdev) diff --git a/drivers/platform/x86/intel_pmc_core.h b/drivers/platform/x86/intel_pmc_core.h index 3fdf4735c56f..1bbdffe80bde 100644 --- a/drivers/platform/x86/intel_pmc_core.h +++ b/drivers/platform/x86/intel_pmc_core.h @@ -196,6 +196,7 @@ enum ppfear_regs { /* Tigerlake Low Power Mode debug registers */ #define TGL_LPM_STATUS_OFFSET 0x1C3C +#define TGL_LPM_LIVE_STATUS_OFFSET 0x1C5C const char *lpm_modes[] = { "S0i2.0", @@ -257,6 +258,7 @@ struct pmc_reg_map { const u32 lpm_en_offset; const u32 lpm_residency_offset; const u32 lpm_status_offset; + const u32 lpm_live_status_offset; }; /** |