aboutsummaryrefslogtreecommitdiffstats
path: root/tools/power/x86/intel-speed-select/isst-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/power/x86/intel-speed-select/isst-core.c')
-rw-r--r--tools/power/x86/intel-speed-select/isst-core.c721
1 files changed, 721 insertions, 0 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-core.c b/tools/power/x86/intel-speed-select/isst-core.c
new file mode 100644
index 000000000000..8de4ac39a008
--- /dev/null
+++ b/tools/power/x86/intel-speed-select/isst-core.c
@@ -0,0 +1,721 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Intel Speed Select -- Enumerate and control features
+ * Copyright (c) 2019 Intel Corporation.
+ */
+
+#include "isst.h"
+
+int isst_get_ctdp_levels(int cpu, struct isst_pkg_ctdp *pkg_dev)
+{
+ unsigned int resp;
+ int ret;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP,
+ CONFIG_TDP_GET_LEVELS_INFO, 0, 0, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CONFIG_TDP_GET_LEVELS_INFO resp:%x\n", 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;
+}
+
+int isst_get_ctdp_control(int cpu, int config_index,
+ struct isst_pkg_ctdp_level_info *ctdp_level)
+{
+ unsigned int resp;
+ int ret;
+
+ ret = isst_send_mbox_command(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));
+
+ debug_printf(
+ "cpu:%d CONFIG_TDP_GET_TDP_CONTROL resp:%x fact_support:%d pbf_support: %d fact_enabled:%d pbf_enabled:%d\n",
+ cpu, resp, ctdp_level->fact_support, ctdp_level->pbf_support,
+ ctdp_level->fact_enabled, ctdp_level->pbf_enabled);
+
+ return 0;
+}
+
+int isst_get_tdp_info(int cpu, int config_index,
+ struct isst_pkg_ctdp_level_info *ctdp_level)
+{
+ unsigned int resp;
+ int ret;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TDP_INFO,
+ 0, config_index, &resp);
+ if (ret)
+ return ret;
+
+ ctdp_level->pkg_tdp = resp & GENMASK(14, 0);
+ ctdp_level->tdp_ratio = (resp & GENMASK(23, 16)) >> 16;
+
+ debug_printf(
+ "cpu:%d ctdp:%d CONFIG_TDP_GET_TDP_INFO resp:%x tdp_ratio:%d pkg_tdp:%d\n",
+ cpu, config_index, resp, ctdp_level->tdp_ratio,
+ ctdp_level->pkg_tdp);
+ return 0;
+}
+
+int isst_get_pwr_info(int cpu, int config_index,
+ struct isst_pkg_ctdp_level_info *ctdp_level)
+{
+ unsigned int resp;
+ int ret;
+
+ ret = isst_send_mbox_command(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",
+ cpu, config_index, resp, ctdp_level->pkg_max_power,
+ ctdp_level->pkg_min_power);
+
+ return 0;
+}
+
+int isst_get_tjmax_info(int cpu, int config_index,
+ struct isst_pkg_ctdp_level_info *ctdp_level)
+{
+ unsigned int resp;
+ int ret;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TJMAX_INFO,
+ 0, config_index, &resp);
+ if (ret)
+ return ret;
+
+ ctdp_level->t_proc_hot = resp & GENMASK(7, 0);
+
+ debug_printf(
+ "cpu:%d ctdp:%d CONFIG_TDP_GET_TJMAX_INFO resp:%x t_proc_hot:%d\n",
+ cpu, config_index, resp, ctdp_level->t_proc_hot);
+
+ return 0;
+}
+
+int isst_get_coremask_info(int cpu, int config_index,
+ struct isst_pkg_ctdp_level_info *ctdp_level)
+{
+ unsigned int resp;
+ int i, ret;
+
+ ctdp_level->cpu_count = 0;
+ for (i = 0; i < 2; ++i) {
+ unsigned long long mask;
+ int cpu_count = 0;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP,
+ CONFIG_TDP_GET_CORE_MASK, 0,
+ (i << 8) | config_index, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf(
+ "cpu:%d ctdp:%d mask:%d CONFIG_TDP_GET_CORE_MASK resp:%x\n",
+ cpu, config_index, i, resp);
+
+ mask = (unsigned long long)resp << (32 * i);
+ set_cpu_mask_from_punit_coremask(cpu, mask,
+ ctdp_level->core_cpumask_size,
+ ctdp_level->core_cpumask,
+ &cpu_count);
+ ctdp_level->cpu_count += cpu_count;
+ debug_printf("cpu:%d ctdp:%d mask:%d cpu count:%d\n", cpu,
+ config_index, i, ctdp_level->cpu_count);
+ }
+
+ return 0;
+}
+
+int isst_get_get_trl(int cpu, int level, int avx_level, int *trl)
+{
+ unsigned int req, resp;
+ int ret;
+
+ req = level | (avx_level << 16);
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP,
+ CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
+ &resp);
+ if (ret)
+ return ret;
+
+ debug_printf(
+ "cpu:%d CONFIG_TDP_GET_TURBO_LIMIT_RATIOS req:%x resp:%x\n",
+ cpu, req, resp);
+
+ trl[0] = resp & GENMASK(7, 0);
+ trl[1] = (resp & GENMASK(15, 8)) >> 8;
+ trl[2] = (resp & GENMASK(23, 16)) >> 16;
+ trl[3] = (resp & GENMASK(31, 24)) >> 24;
+
+ req = level | BIT(8) | (avx_level << 16);
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP,
+ CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
+ &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CONFIG_TDP_GET_TURBO_LIMIT req:%x resp:%x\n", cpu,
+ req, resp);
+
+ trl[4] = resp & GENMASK(7, 0);
+ trl[5] = (resp & GENMASK(15, 8)) >> 8;
+ trl[6] = (resp & GENMASK(23, 16)) >> 16;
+ trl[7] = (resp & GENMASK(31, 24)) >> 24;
+
+ return 0;
+}
+
+int isst_set_tdp_level_msr(int cpu, int tdp_level)
+{
+ int ret;
+
+ debug_printf("cpu: tdp_level via MSR %d\n", cpu, tdp_level);
+
+ if (isst_get_config_tdp_lock_status(cpu)) {
+ debug_printf("cpu: tdp_locked %d\n", cpu);
+ return -1;
+ }
+
+ if (tdp_level > 2)
+ return -1; /* invalid value */
+
+ ret = isst_send_msr_command(cpu, 0x64b, 1,
+ (unsigned long long *)&tdp_level);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu: tdp_level via MSR successful %d\n", cpu, tdp_level);
+
+ return 0;
+}
+
+int isst_set_tdp_level(int cpu, int tdp_level)
+{
+ unsigned int resp;
+ int ret;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_SET_LEVEL, 0,
+ tdp_level, &resp);
+ if (ret)
+ return isst_set_tdp_level_msr(cpu, tdp_level);
+
+ return 0;
+}
+
+int isst_get_pbf_info(int cpu, int level, struct isst_pbf_info *pbf_info)
+{
+ unsigned int req, resp;
+ int i, ret;
+
+ pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
+
+ for (i = 0; i < 2; ++i) {
+ unsigned long long mask;
+ int count;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP,
+ CONFIG_TDP_PBF_GET_CORE_MASK_INFO,
+ 0, (i << 8) | level, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf(
+ "cpu:%d CONFIG_TDP_PBF_GET_CORE_MASK_INFO resp:%x\n",
+ cpu, resp);
+
+ mask = (unsigned long long)resp << (32 * i);
+ set_cpu_mask_from_punit_coremask(cpu, mask,
+ pbf_info->core_cpumask_size,
+ pbf_info->core_cpumask,
+ &count);
+ }
+
+ req = level;
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP,
+ CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO, 0, req,
+ &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO resp:%x\n", cpu,
+ resp);
+
+ pbf_info->p1_low = resp & 0xff;
+ pbf_info->p1_high = (resp & GENMASK(15, 8)) >> 8;
+
+ req = level;
+ ret = isst_send_mbox_command(
+ cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TDP_INFO, 0, req, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TDP_INFO resp:%x\n", cpu, resp);
+
+ pbf_info->tdp = resp & 0xffff;
+
+ req = level;
+ ret = isst_send_mbox_command(
+ cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TJ_MAX_INFO, 0, req, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TJ_MAX_INFO resp:%x\n", cpu,
+ resp);
+ pbf_info->t_control = (resp >> 8) & 0xff;
+ pbf_info->t_prochot = resp & 0xff;
+
+ return 0;
+}
+
+void isst_get_pbf_info_complete(struct isst_pbf_info *pbf_info)
+{
+ free_cpu_set(pbf_info->core_cpumask);
+}
+
+int isst_set_pbf_fact_status(int cpu, int pbf, int enable)
+{
+ struct isst_pkg_ctdp pkg_dev;
+ struct isst_pkg_ctdp_level_info ctdp_level;
+ int current_level;
+ unsigned int req = 0, resp;
+ int ret;
+
+ ret = isst_get_ctdp_levels(cpu, &pkg_dev);
+ if (ret)
+ return ret;
+
+ current_level = pkg_dev.current_level;
+
+ ret = isst_get_ctdp_control(cpu, current_level, &ctdp_level);
+ if (ret)
+ return ret;
+
+ if (pbf) {
+ if (ctdp_level.fact_enabled)
+ req = BIT(16);
+
+ if (enable)
+ req |= BIT(17);
+ else
+ req &= ~BIT(17);
+ } else {
+ if (ctdp_level.pbf_enabled)
+ req = BIT(17);
+
+ if (enable)
+ req |= BIT(16);
+ else
+ req &= ~BIT(16);
+ }
+
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP,
+ CONFIG_TDP_SET_TDP_CONTROL, 0, req, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CONFIG_TDP_SET_TDP_CONTROL pbf/fact:%d req:%x\n",
+ cpu, pbf, req);
+
+ return 0;
+}
+
+int isst_get_fact_bucket_info(int cpu, int level,
+ struct isst_fact_bucket_info *bucket_info)
+{
+ unsigned int resp;
+ int i, k, ret;
+
+ for (i = 0; i < 2; ++i) {
+ int j;
+
+ ret = isst_send_mbox_command(
+ cpu, CONFIG_TDP,
+ CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES, 0,
+ (i << 8) | level, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf(
+ "cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES index:%d level:%d resp:%x\n",
+ cpu, i, level, resp);
+
+ for (j = 0; j < 4; ++j) {
+ bucket_info[j + (i * 4)].high_priority_cores_count =
+ (resp >> (j * 8)) & 0xff;
+ }
+ }
+
+ for (k = 0; k < 3; ++k) {
+ for (i = 0; i < 2; ++i) {
+ int j;
+
+ ret = isst_send_mbox_command(
+ cpu, CONFIG_TDP,
+ CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS, 0,
+ (k << 16) | (i << 8) | level, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf(
+ "cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS index:%d level:%d avx:%d resp:%x\n",
+ cpu, i, level, k, resp);
+
+ for (j = 0; j < 4; ++j) {
+ switch (k) {
+ case 0:
+ bucket_info[j + (i * 4)].sse_trl =
+ (resp >> (j * 8)) & 0xff;
+ break;
+ case 1:
+ bucket_info[j + (i * 4)].avx_trl =
+ (resp >> (j * 8)) & 0xff;
+ break;
+ case 2:
+ bucket_info[j + (i * 4)].avx512_trl =
+ (resp >> (j * 8)) & 0xff;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+int isst_get_fact_info(int cpu, int level, struct isst_fact_info *fact_info)
+{
+ unsigned int resp;
+ int ret;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_TDP,
+ CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO, 0,
+ level, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO resp:%x\n",
+ cpu, resp);
+
+ fact_info->lp_clipping_ratio_license_sse = resp & 0xff;
+ fact_info->lp_clipping_ratio_license_avx2 = (resp >> 8) & 0xff;
+ fact_info->lp_clipping_ratio_license_avx512 = (resp >> 16) & 0xff;
+
+ ret = isst_get_fact_bucket_info(cpu, level, fact_info->bucket_info);
+
+ return ret;
+}
+
+int isst_set_trl(int cpu, unsigned long long trl)
+{
+ int ret;
+
+ if (!trl)
+ trl = 0xFFFFFFFFFFFFFFFFULL;
+
+ ret = isst_send_msr_command(cpu, 0x1AD, 1, &trl);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl)
+{
+ unsigned long long msr_trl;
+ int ret;
+
+ if (trl) {
+ msr_trl = trl;
+ } else {
+ struct isst_pkg_ctdp pkg_dev;
+ int trl[8];
+ int i;
+
+ ret = isst_get_ctdp_levels(cpu, &pkg_dev);
+ if (ret)
+ return ret;
+
+ ret = isst_get_get_trl(cpu, pkg_dev.current_level, 0, trl);
+ if (ret)
+ return ret;
+
+ msr_trl = 0;
+ for (i = 0; i < 8; ++i) {
+ unsigned long long _trl = trl[i];
+
+ msr_trl |= (_trl << (i * 8));
+ }
+ }
+ ret = isst_send_msr_command(cpu, 0x1AD, 1, &msr_trl);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/* Return 1 if locked */
+int isst_get_config_tdp_lock_status(int cpu)
+{
+ unsigned long long tdp_control = 0;
+ int ret;
+
+ ret = isst_send_msr_command(cpu, 0x64b, 0, &tdp_control);
+ if (ret)
+ return ret;
+
+ ret = !!(tdp_control & BIT(31));
+
+ return ret;
+}
+
+void isst_get_process_ctdp_complete(int cpu, struct isst_pkg_ctdp *pkg_dev)
+{
+ int i;
+
+ if (!pkg_dev->processed)
+ return;
+
+ for (i = 0; i < pkg_dev->levels; ++i) {
+ struct isst_pkg_ctdp_level_info *ctdp_level;
+
+ ctdp_level = &pkg_dev->ctdp_level[i];
+ if (ctdp_level->pbf_support)
+ free_cpu_set(ctdp_level->pbf_info.core_cpumask);
+ free_cpu_set(ctdp_level->core_cpumask);
+ }
+}
+
+int isst_get_process_ctdp(int cpu, int tdp_level, struct isst_pkg_ctdp *pkg_dev)
+{
+ int i, ret;
+
+ if (pkg_dev->processed)
+ return 0;
+
+ ret = isst_get_ctdp_levels(cpu, pkg_dev);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu: %d ctdp enable:%d current level: %d levels:%d\n",
+ cpu, pkg_dev->enabled, pkg_dev->current_level,
+ pkg_dev->levels);
+
+ for (i = 0; i <= pkg_dev->levels; ++i) {
+ struct isst_pkg_ctdp_level_info *ctdp_level;
+
+ if (tdp_level != 0xff && i != tdp_level)
+ continue;
+
+ debug_printf("cpu:%d Get Information for TDP level:%d\n", cpu,
+ i);
+ ctdp_level = &pkg_dev->ctdp_level[i];
+
+ ctdp_level->processed = 1;
+ ctdp_level->level = i;
+ ctdp_level->control_cpu = cpu;
+ ctdp_level->pkg_id = get_physical_package_id(cpu);
+ ctdp_level->die_id = get_physical_die_id(cpu);
+
+ ret = isst_get_ctdp_control(cpu, i, ctdp_level);
+ if (ret)
+ return ret;
+
+ ret = isst_get_tdp_info(cpu, i, ctdp_level);
+ if (ret)
+ return ret;
+
+ ret = isst_get_pwr_info(cpu, i, ctdp_level);
+ if (ret)
+ return ret;
+
+ ret = isst_get_tjmax_info(cpu, i, ctdp_level);
+ if (ret)
+ return ret;
+
+ ctdp_level->core_cpumask_size =
+ alloc_cpu_set(&ctdp_level->core_cpumask);
+ ret = isst_get_coremask_info(cpu, i, ctdp_level);
+ if (ret)
+ return ret;
+
+ ret = isst_get_get_trl(cpu, i, 0,
+ ctdp_level->trl_sse_active_cores);
+ if (ret)
+ return ret;
+
+ ret = isst_get_get_trl(cpu, i, 1,
+ ctdp_level->trl_avx_active_cores);
+ if (ret)
+ return ret;
+
+ ret = isst_get_get_trl(cpu, i, 2,
+ ctdp_level->trl_avx_512_active_cores);
+ if (ret)
+ return ret;
+
+ if (ctdp_level->pbf_support) {
+ ret = isst_get_pbf_info(cpu, i, &ctdp_level->pbf_info);
+ if (!ret)
+ ctdp_level->pbf_found = 1;
+ }
+
+ if (ctdp_level->fact_support) {
+ ret = isst_get_fact_info(cpu, i,
+ &ctdp_level->fact_info);
+ if (ret)
+ return ret;
+ }
+ }
+
+ pkg_dev->processed = 1;
+
+ return 0;
+}
+
+int isst_pm_qos_config(int cpu, int enable_clos, int priority_type)
+{
+ unsigned int req, resp;
+ int ret;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
+ &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
+
+ req = resp;
+
+ if (enable_clos)
+ req = req | BIT(1);
+ else
+ req = req & ~BIT(1);
+
+ if (priority_type)
+ req = req | BIT(2);
+ else
+ req = req & ~BIT(2);
+
+ ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG,
+ BIT(MBOX_CMD_WRITE_BIT), req, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CLOS_PM_QOS_CONFIG priority type:%d req:%x\n", cpu,
+ priority_type, req);
+
+ return 0;
+}
+
+int isst_pm_get_clos(int cpu, int clos, struct isst_clos_config *clos_config)
+{
+ unsigned int resp;
+ int ret;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
+ &resp);
+ if (ret)
+ return ret;
+
+ clos_config->pkg_id = get_physical_package_id(cpu);
+ clos_config->die_id = get_physical_die_id(cpu);
+
+ clos_config->epp = resp & 0x0f;
+ clos_config->clos_prop_prio = (resp >> 4) & 0x0f;
+ clos_config->clos_min = (resp >> 8) & 0xff;
+ clos_config->clos_max = (resp >> 16) & 0xff;
+ clos_config->clos_desired = (resp >> 24) & 0xff;
+
+ return 0;
+}
+
+int isst_set_clos(int cpu, int clos, struct isst_clos_config *clos_config)
+{
+ unsigned int req, resp;
+ unsigned int param;
+ int ret;
+
+ req = clos_config->epp & 0x0f;
+ req |= (clos_config->clos_prop_prio & 0x0f) << 4;
+ req |= (clos_config->clos_min & 0xff) << 8;
+ req |= (clos_config->clos_max & 0xff) << 16;
+ req |= (clos_config->clos_desired & 0xff) << 24;
+
+ param = BIT(MBOX_CMD_WRITE_BIT) | clos;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, param, req,
+ &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CLOS_PM_CLOS param:%x req:%x\n", cpu, param, req);
+
+ return 0;
+}
+
+int isst_clos_get_assoc_status(int cpu, int *clos_id)
+{
+ unsigned int resp;
+ unsigned int param;
+ int core_id, ret;
+
+ core_id = find_phy_core_num(cpu);
+ param = core_id;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param, 0,
+ &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x resp:%x\n", cpu, param,
+ resp);
+ *clos_id = (resp >> 16) & 0x03;
+
+ return 0;
+}
+
+int isst_clos_associate(int cpu, int clos_id)
+{
+ unsigned int req, resp;
+ unsigned int param;
+ int core_id, ret;
+
+ req = (clos_id & 0x03) << 16;
+ core_id = find_phy_core_num(cpu);
+ param = BIT(MBOX_CMD_WRITE_BIT) | core_id;
+
+ ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param,
+ req, &resp);
+ if (ret)
+ return ret;
+
+ debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x req:%x\n", cpu, param,
+ req);
+
+ return 0;
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.