Commit bbe32d87 authored by Zhang Rui's avatar Zhang Rui Committed by Srinivas Pandruvada
Browse files

tools/power/x86/intel-speed-select: Abstract get_ctdp_control 



Allow platform specific implementation to get SST-TF/BF/CP capabilities
and status.

No functional changes are expected.

Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
[srinivas.pandruvada@linux.intel.com: changelog edits]
Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
parent 72438744

tools/power/x86/intel-speed-select/isst-core-mbox.c

+36 −0
Original line number Diff line number Diff line
@@ -67,12 +67,48 @@ static int mbox_get_config_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_ 
	return 0;

}



static int mbox_get_ctdp_control(struct isst_id *id, int config_index,

			  struct isst_pkg_ctdp_level_info *ctdp_level)

{

	int cp_state, cp_cap;

	unsigned int resp;

	int ret;



	ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,

				     CONFIG_TDP_GET_TDP_CONTROL, 0,

				     config_index, &resp);

	if (ret)

		return ret;



	ctdp_level->fact_support = resp & BIT(0);

	ctdp_level->pbf_support = !!(resp & BIT(1));

	ctdp_level->fact_enabled = !!(resp & BIT(16));

	ctdp_level->pbf_enabled = !!(resp & BIT(17));



	ret = isst_read_pm_config(id, &cp_state, &cp_cap);

	if (ret) {

		debug_printf("cpu:%d pm_config is not supported\n", id->cpu);

	} else {

		debug_printf("cpu:%d pm_config SST-CP state:%d cap:%d\n", id->cpu, cp_state, cp_cap);

		ctdp_level->sst_cp_support = cp_cap;

		ctdp_level->sst_cp_enabled = cp_state;

	}



	debug_printf(

		"cpu:%d CONFIG_TDP_GET_TDP_CONTROL resp:%x fact_support:%d pbf_support: %d fact_enabled:%d pbf_enabled:%d\n",

		id->cpu, resp, ctdp_level->fact_support, ctdp_level->pbf_support,

		ctdp_level->fact_enabled, ctdp_level->pbf_enabled);



	return 0;

}



static struct isst_platform_ops mbox_ops = {

	.get_disp_freq_multiplier = mbox_get_disp_freq_multiplier,

	.get_trl_max_levels = mbox_get_trl_max_levels,

	.get_trl_level_name = mbox_get_trl_level_name,

	.is_punit_valid = mbox_is_punit_valid,

	.get_config_levels = mbox_get_config_levels,

	.get_ctdp_control = mbox_get_ctdp_control,

};



struct isst_platform_ops *mbox_get_platform_ops(void)

tools/power/x86/intel-speed-select/isst-core.c

+2 −30
Original line number Diff line number Diff line
@@ -294,36 +294,8 @@ int isst_get_ctdp_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev) 
int isst_get_ctdp_control(struct isst_id *id, int config_index,

			  struct isst_pkg_ctdp_level_info *ctdp_level)

{

	int cp_state, cp_cap;

	unsigned int resp;

	int ret;



	ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,

				     CONFIG_TDP_GET_TDP_CONTROL, 0,

				     config_index, &resp);

	if (ret)

		return ret;



	ctdp_level->fact_support = resp & BIT(0);

	ctdp_level->pbf_support = !!(resp & BIT(1));

	ctdp_level->fact_enabled = !!(resp & BIT(16));

	ctdp_level->pbf_enabled = !!(resp & BIT(17));



	ret = isst_read_pm_config(id, &cp_state, &cp_cap);

	if (ret) {

		debug_printf("cpu:%d pm_config is not supported\n", id->cpu);

	} else {

		debug_printf("cpu:%d pm_config SST-CP state:%d cap:%d\n", id->cpu, cp_state, cp_cap);

		ctdp_level->sst_cp_support = cp_cap;

		ctdp_level->sst_cp_enabled = cp_state;

	}



	debug_printf(

		"cpu:%d CONFIG_TDP_GET_TDP_CONTROL resp:%x fact_support:%d pbf_support: %d fact_enabled:%d pbf_enabled:%d\n",

		id->cpu, resp, ctdp_level->fact_support, ctdp_level->pbf_support,

		ctdp_level->fact_enabled, ctdp_level->pbf_enabled);



	return 0;

	CHECK_CB(get_ctdp_control);

	return isst_ops->get_ctdp_control(id, config_index, ctdp_level);

}



int isst_get_tdp_info(struct isst_id *id, int config_index,

tools/power/x86/intel-speed-select/isst.h

+1 −0
Original line number Diff line number Diff line
@@ -187,6 +187,7 @@ struct isst_platform_ops { 
	char *(*get_trl_level_name)(int level);

	int (*is_punit_valid)(struct isst_id *id);

	int (*get_config_levels)(struct isst_id *id, struct isst_pkg_ctdp *pkg_ctdp);

	int (*get_ctdp_control)(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level);

};



extern int is_cpu_in_power_domain(int cpu, struct isst_id *id);