diff options
| -rw-r--r-- | drivers/platform/x86/amd/pmf/acpi.c | 74 | ||||
| -rw-r--r-- | drivers/platform/x86/amd/pmf/pmf.h | 25 | ||||
| -rw-r--r-- | drivers/platform/x86/amd/pmf/sps.c | 51 |
3 files changed, 148 insertions, 2 deletions
diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c index 82dafe74fc6d..d0cf46e2fc8e 100644 --- a/drivers/platform/x86/amd/pmf/acpi.c +++ b/drivers/platform/x86/amd/pmf/acpi.c @@ -90,12 +90,86 @@ out: return err; } +static union acpi_object *apts_if_call(struct amd_pmf_dev *pdev, u32 state_index) +{ + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + acpi_handle ahandle = ACPI_HANDLE(pdev->dev); + struct acpi_object_list apts_if_arg_list; + union acpi_object apts_if_args[3]; + acpi_status status; + + apts_if_arg_list.count = 3; + apts_if_arg_list.pointer = &apts_if_args[0]; + + apts_if_args[0].type = ACPI_TYPE_INTEGER; + apts_if_args[0].integer.value = 1; + apts_if_args[1].type = ACPI_TYPE_INTEGER; + apts_if_args[1].integer.value = state_index; + apts_if_args[2].type = ACPI_TYPE_INTEGER; + apts_if_args[2].integer.value = 0; + + status = acpi_evaluate_object(ahandle, "APTS", &apts_if_arg_list, &buffer); + if (ACPI_FAILURE(status)) { + dev_err(pdev->dev, "APTS state_idx:%u call failed\n", state_index); + kfree(buffer.pointer); + return NULL; + } + + return buffer.pointer; +} + +static int apts_if_call_store_buffer(struct amd_pmf_dev *pdev, + u32 index, void *data, size_t out_sz) +{ + union acpi_object *info; + size_t size; + int err = 0; + + info = apts_if_call(pdev, index); + if (!info) + return -EIO; + + if (info->type != ACPI_TYPE_BUFFER) { + dev_err(pdev->dev, "object is not a buffer\n"); + err = -EINVAL; + goto out; + } + + size = *(u16 *)info->buffer.pointer; + if (info->buffer.length < size) { + dev_err(pdev->dev, "buffer smaller than header size %u < %zu\n", + info->buffer.length, size); + err = -EINVAL; + goto out; + } + + if (size < out_sz) { + dev_err(pdev->dev, "buffer too small %zu\n", size); + err = -EINVAL; + goto out; + } + + memcpy(data, info->buffer.pointer, out_sz); +out: + kfree(info); + return err; +} + int is_apmf_func_supported(struct amd_pmf_dev *pdev, unsigned long index) { /* If bit-n is set, that indicates function n+1 is supported */ return !!(pdev->supported_func & BIT(index - 1)); } +int apts_get_static_slider_granular_v2(struct amd_pmf_dev *pdev, + struct amd_pmf_apts_granular_output *data, u32 apts_idx) +{ + if (!is_apmf_func_supported(pdev, APMF_FUNC_STATIC_SLIDER_GRANULAR)) + return -EINVAL; + + return apts_if_call_store_buffer(pdev, apts_idx, data, sizeof(*data)); +} + int apmf_get_static_slider_granular_v2(struct amd_pmf_dev *pdev, struct apmf_static_slider_granular_output_v2 *data) { diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index 44ac22098d79..10d5f8cef27e 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -91,6 +91,29 @@ struct cookie_header { #define PMF_IF_V1 1 #define PMF_IF_V2 2 +#define APTS_MAX_STATES 16 + +/* APTS PMF BIOS Interface */ +struct amd_pmf_apts_output { + u16 table_version; + u32 fan_table_idx; + u32 pmf_ppt; + u32 ppt_pmf_apu_only; + u32 stt_min_limit; + u8 stt_skin_temp_limit_apu; + u8 stt_skin_temp_limit_hs2; +} __packed; + +struct amd_pmf_apts_granular_output { + u16 size; + struct amd_pmf_apts_output val; +} __packed; + +struct amd_pmf_apts_granular { + u16 size; + struct amd_pmf_apts_output val[APTS_MAX_STATES]; +}; + struct sbios_hb_event_v2 { u16 size; u8 load; @@ -668,6 +691,8 @@ int apmf_update_fan_idx(struct amd_pmf_dev *pdev, bool manual, u32 idx); int amd_pmf_set_sps_power_limits(struct amd_pmf_dev *pmf); int apmf_get_static_slider_granular_v2(struct amd_pmf_dev *dev, struct apmf_static_slider_granular_output_v2 *data); +int apts_get_static_slider_granular_v2(struct amd_pmf_dev *pdev, + struct amd_pmf_apts_granular_output *data, u32 apts_idx); /* Auto Mode Layer */ int apmf_get_auto_mode_def(struct amd_pmf_dev *pdev, struct apmf_auto_mode *data); diff --git a/drivers/platform/x86/amd/pmf/sps.c b/drivers/platform/x86/amd/pmf/sps.c index 0cf38bdae7a4..96bd2140302c 100644 --- a/drivers/platform/x86/amd/pmf/sps.c +++ b/drivers/platform/x86/amd/pmf/sps.c @@ -12,6 +12,7 @@ static struct amd_pmf_static_slider_granular_v2 config_store_v2; static struct amd_pmf_static_slider_granular config_store; +static struct amd_pmf_apts_granular apts_config_store; #ifdef CONFIG_AMD_PMF_DEBUG static const char *slider_v2_as_str(unsigned int state) @@ -95,11 +96,55 @@ static void amd_pmf_dump_sps_defaults_v2(struct amd_pmf_static_slider_granular_v pr_debug("Static Slider APTS state index data - END\n"); } + +static void amd_pmf_dump_apts_sps_defaults(struct amd_pmf_apts_granular *info) +{ + int i; + + pr_debug("Static Slider APTS index default values data - BEGIN"); + + for (i = 0; i < APTS_MAX_STATES; i++) { + pr_debug("Table Version[%d] = %u\n", i, info->val[i].table_version); + pr_debug("Fan Index[%d] = %u\n", i, info->val[i].fan_table_idx); + pr_debug("PPT[%d] = %u\n", i, info->val[i].pmf_ppt); + pr_debug("PPT APU[%d] = %u\n", i, info->val[i].ppt_pmf_apu_only); + pr_debug("STT Min[%d] = %u\n", i, info->val[i].stt_min_limit); + pr_debug("STT APU[%d] = %u\n", i, info->val[i].stt_skin_temp_limit_apu); + pr_debug("STT HS2[%d] = %u\n", i, info->val[i].stt_skin_temp_limit_hs2); + } + + pr_debug("Static Slider APTS index default values data - END"); +} #else static void amd_pmf_dump_sps_defaults(struct amd_pmf_static_slider_granular *data) {} static void amd_pmf_dump_sps_defaults_v2(struct amd_pmf_static_slider_granular_v2 *data) {} +static void amd_pmf_dump_apts_sps_defaults(struct amd_pmf_apts_granular *info) {} #endif +static void amd_pmf_load_apts_defaults_sps_v2(struct amd_pmf_dev *pdev) +{ + struct amd_pmf_apts_granular_output output; + struct amd_pmf_apts_output *ps; + int i; + + memset(&apts_config_store, 0, sizeof(apts_config_store)); + + ps = apts_config_store.val; + + for (i = 0; i < APTS_MAX_STATES; i++) { + apts_get_static_slider_granular_v2(pdev, &output, i); + ps[i].table_version = output.val.table_version; + ps[i].fan_table_idx = output.val.fan_table_idx; + ps[i].pmf_ppt = output.val.pmf_ppt; + ps[i].ppt_pmf_apu_only = output.val.ppt_pmf_apu_only; + ps[i].stt_min_limit = output.val.stt_min_limit; + ps[i].stt_skin_temp_limit_apu = output.val.stt_skin_temp_limit_apu; + ps[i].stt_skin_temp_limit_hs2 = output.val.stt_skin_temp_limit_hs2; + } + + amd_pmf_dump_apts_sps_defaults(&apts_config_store); +} + static void amd_pmf_load_defaults_sps_v2(struct amd_pmf_dev *dev) { struct apmf_static_slider_granular_output_v2 output; @@ -307,10 +352,12 @@ int amd_pmf_init_sps(struct amd_pmf_dev *dev) dev->current_profile = PLATFORM_PROFILE_BALANCED; if (is_apmf_func_supported(dev, APMF_FUNC_STATIC_SLIDER_GRANULAR)) { - if (dev->pmf_if_version == PMF_IF_V2) + if (dev->pmf_if_version == PMF_IF_V2) { amd_pmf_load_defaults_sps_v2(dev); - else + amd_pmf_load_apts_defaults_sps_v2(dev); + } else { amd_pmf_load_defaults_sps(dev); + } /* update SPS balanced power mode thermals */ amd_pmf_set_sps_power_limits(dev); |