Commit 8f54104f authored by Zhang Rui's avatar Zhang Rui Committed by Srinivas Pandruvada
Browse files

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



Allow platform specific implementation to get SST-CP capability and
current state.

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 a59a6c0c

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

+19 −0
Original line number Diff line number Diff line
@@ -40,6 +40,24 @@ static int mbox_is_punit_valid(struct isst_id *id) 
	return 1;

}



static int mbox_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)

{

	unsigned int resp;

	int ret;



	ret = isst_send_mbox_command(id->cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,

					&resp);

	if (ret)

		return ret;



	debug_printf("cpu:%d READ_PM_CONFIG resp:%x\n", id->cpu, resp);



	*cp_state = resp & BIT(16);

	*cp_cap = resp & BIT(0) ? 1 : 0;



	return 0;

}



static int mbox_get_config_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)

{

	unsigned int resp;
@@ -803,6 +821,7 @@ static struct isst_platform_ops mbox_ops = { 
	.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,

	.read_pm_config = mbox_read_pm_config,

	.get_config_levels = mbox_get_config_levels,

	.get_ctdp_control = mbox_get_ctdp_control,

	.get_tdp_info = mbox_get_tdp_info,

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

+2 −14
Original line number Diff line number Diff line
@@ -249,20 +249,8 @@ int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write, 


int isst_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)

{

	unsigned int resp;

	int ret;



	ret = isst_send_mbox_command(id->cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,

				     &resp);

	if (ret)

		return ret;



	debug_printf("cpu:%d READ_PM_CONFIG resp:%x\n", id->cpu, resp);



	*cp_state = resp & BIT(16);

	*cp_cap = resp & BIT(0) ? 1 : 0;



	return 0;

	CHECK_CB(read_pm_config);

	return isst_ops->read_pm_config(id, cp_state, cp_cap);

}



int isst_get_ctdp_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)

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

+1 −0
Original line number Diff line number Diff line
@@ -186,6 +186,7 @@ struct isst_platform_ops { 
	int (*get_trl_max_levels)(void);

	char *(*get_trl_level_name)(int level);

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

	int (*read_pm_config)(struct isst_id *id, int *cp_state, int *cp_cap);

	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);

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