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

Allow platform specific implementation to get 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

@@ -40,11 +40,39 @@ static int mbox_is_punit_valid(struct isst_id *id)
 	return 1;
 }
 
+static int mbox_get_config_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
+{
+	unsigned int resp;
+	int ret;
+
+	ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
+				     CONFIG_TDP_GET_LEVELS_INFO, 0, 0, &resp);
+	if (ret) {
+		pkg_dev->levels = 0;
+		pkg_dev->locked = 1;
+		pkg_dev->current_level = 0;
+		pkg_dev->version = 0;
+		pkg_dev->enabled = 0;
+		return 0;
+	}
+
+	debug_printf("cpu:%d CONFIG_TDP_GET_LEVELS_INFO resp:%x\n", id->cpu, resp);
+
+	pkg_dev->version = resp & 0xff;
+	pkg_dev->levels = (resp >> 8) & 0xff;
+	pkg_dev->current_level = (resp >> 16) & 0xff;
+	pkg_dev->locked = !!(resp & BIT(24));
+	pkg_dev->enabled = !!(resp & BIT(31));
+
+	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,
 };
 
 struct isst_platform_ops *mbox_get_platform_ops(void)

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

@@ -287,29 +287,8 @@ int isst_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)
 
 int isst_get_ctdp_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
 {
-	unsigned int resp;
-	int ret;
-
-	ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
-				     CONFIG_TDP_GET_LEVELS_INFO, 0, 0, &resp);
-	if (ret) {
-		pkg_dev->levels = 0;
-		pkg_dev->locked = 1;
-		pkg_dev->current_level = 0;
-		pkg_dev->version = 0;
-		pkg_dev->enabled = 0;
-		return 0;
-	}
-
-	debug_printf("cpu:%d CONFIG_TDP_GET_LEVELS_INFO resp:%x\n", id->cpu, resp);
-
-	pkg_dev->version = resp & 0xff;
-	pkg_dev->levels = (resp >> 8) & 0xff;
-	pkg_dev->current_level = (resp >> 16) & 0xff;
-	pkg_dev->locked = !!(resp & BIT(24));
-	pkg_dev->enabled = !!(resp & BIT(31));
-
-	return 0;
+	CHECK_CB(get_config_levels);
+	return isst_ops->get_config_levels(id, pkg_dev);
 }
 
 int isst_get_ctdp_control(struct isst_id *id, int config_index,

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

@@ -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 (*get_config_levels)(struct isst_id *id, struct isst_pkg_ctdp *pkg_ctdp);
 };
 
 extern int is_cpu_in_power_domain(int cpu, struct isst_id *id);