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

Allow platform specific implementation to get min and max power for a
given SST-PP level.

No functional changes are expected.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
[srinivas.pandruvada@linux.intel.com: changelog edits]
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>

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

@@ -125,6 +125,29 @@ static int mbox_get_tdp_info(struct isst_id *id, int config_index,
 	return 0;
 }
 
+static int mbox_get_pwr_info(struct isst_id *id, int config_index,
+		      struct isst_pkg_ctdp_level_info *ctdp_level)
+{
+	unsigned int resp;
+	int ret;
+
+	ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
+				     0, config_index, &resp);
+	if (ret)
+		return ret;
+
+	ctdp_level->pkg_max_power = resp & GENMASK(14, 0);
+	ctdp_level->pkg_min_power = (resp & GENMASK(30, 16)) >> 16;
+
+	debug_printf(
+		"cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO resp:%x pkg_max_power:%d pkg_min_power:%d\n",
+		id->cpu, config_index, resp, ctdp_level->pkg_max_power,
+		ctdp_level->pkg_min_power);
+
+	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,
@@ -133,6 +156,7 @@ static struct isst_platform_ops mbox_ops = {
 	.get_config_levels = mbox_get_config_levels,
 	.get_ctdp_control = mbox_get_ctdp_control,
 	.get_tdp_info = mbox_get_tdp_info,
+	.get_pwr_info = mbox_get_pwr_info,
 };
 
 struct isst_platform_ops *mbox_get_platform_ops(void)

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

@@ -308,23 +308,8 @@ int isst_get_tdp_info(struct isst_id *id, int config_index,
 int isst_get_pwr_info(struct isst_id *id, int config_index,
 		      struct isst_pkg_ctdp_level_info *ctdp_level)
 {
-	unsigned int resp;
-	int ret;
-
-	ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
-				     0, config_index, &resp);
-	if (ret)
-		return ret;
-
-	ctdp_level->pkg_max_power = resp & GENMASK(14, 0);
-	ctdp_level->pkg_min_power = (resp & GENMASK(30, 16)) >> 16;
-
-	debug_printf(
-		"cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO resp:%x pkg_max_power:%d pkg_min_power:%d\n",
-		id->cpu, config_index, resp, ctdp_level->pkg_max_power,
-		ctdp_level->pkg_min_power);
-
-	return 0;
+	CHECK_CB(get_pwr_info);
+	return isst_ops->get_pwr_info(id, config_index, ctdp_level);
 }
 
 void isst_get_uncore_p0_p1_info(struct isst_id *id, int config_index,

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

@@ -189,6 +189,7 @@ struct isst_platform_ops {
 	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);
+	int (*get_pwr_info)(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);