The APMF function 14 (Notify Smart PC Solution Updates) allows the BIOS
(AMD/OEM) to be informed about the outputs of custom Smart PC policies.
Enhance the PMF driver to invoke APMF function 14 when these custom policy
outputs are triggered.
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@xxxxxxx>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@xxxxxxx>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx>
---
drivers/platform/x86/amd/pmf/acpi.c | 31 +++++++++++++++++++++
drivers/platform/x86/amd/pmf/pmf.h | 18 ++++++++++++
drivers/platform/x86/amd/pmf/tee-if.c | 40 +++++++++++++++++++++++++++
3 files changed, 89 insertions(+)
diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c
index 1157ec148880..d5b496433d69 100644
--- a/drivers/platform/x86/amd/pmf/acpi.c
+++ b/drivers/platform/x86/amd/pmf/acpi.c
@@ -282,6 +282,29 @@ int apmf_update_fan_idx(struct amd_pmf_dev *pdev, bool manual, u32 idx)
return 0;
}
+static int apmf_notify_smart_pc_update(struct amd_pmf_dev *pdev, u32 val, u32 preq, u32 index)
+{
+ struct amd_pmf_notify_smart_pc_update args;
+ struct acpi_buffer params;
+ union acpi_object *info;
+
+ args.size = sizeof(args);
+ args.pending_req = preq;
+ args.custom_bios[index] = val;
+
+ params.length = sizeof(args);
+ params.pointer = &args;
+
+ info = apmf_if_call(pdev, APMF_FUNC_NOTIFY_SMART_PC_UPDATES, ¶ms);
+ if (!info)
+ return -EIO;
+
+ kfree(info);
+ dev_dbg(pdev->dev, "Notify smart pc update, val: %u\n", val);
+
+ return 0;
+}
+
int apmf_get_auto_mode_def(struct amd_pmf_dev *pdev, struct apmf_auto_mode *data)
{
return apmf_if_call_store_buffer(pdev, APMF_FUNC_AUTO_MODE, data, sizeof(*data));
@@ -447,6 +470,14 @@ int apmf_check_smart_pc(struct amd_pmf_dev *pmf_dev)
return 0;
}
+int amd_pmf_smartpc_apply_bios_output(struct amd_pmf_dev *dev, u32 val, u32 preq, u32 idx)
+{
+ if (!is_apmf_func_supported(dev, APMF_FUNC_NOTIFY_SMART_PC_UPDATES))
+ return -EINVAL;
+
+ return apmf_notify_smart_pc_update(dev, val, preq, idx);
+}
+
void apmf_acpi_deinit(struct amd_pmf_dev *pmf_dev)
{
acpi_handle ahandle = ACPI_HANDLE(pmf_dev->dev);
diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h
index 753d5662c080..9bf4326d06c3 100644
--- a/drivers/platform/x86/amd/pmf/pmf.h
+++ b/drivers/platform/x86/amd/pmf/pmf.h
@@ -35,6 +35,7 @@ struct cookie_header {
#define APMF_FUNC_STATIC_SLIDER_GRANULAR 9
#define APMF_FUNC_DYN_SLIDER_AC 11
#define APMF_FUNC_DYN_SLIDER_DC 12
+#define APMF_FUNC_NOTIFY_SMART_PC_UPDATES 14
#define APMF_FUNC_SBIOS_HEARTBEAT_V2 16
/* Message Definitions */
@@ -82,7 +83,17 @@ struct cookie_header {
#define PMF_POLICY_STT_SKINTEMP_APU 7
#define PMF_POLICY_STT_SKINTEMP_HS2 8
#define PMF_POLICY_SYSTEM_STATE 9
+#define PMF_POLICY_BIOS_OUTPUT_1 10
+#define PMF_POLICY_BIOS_OUTPUT_2 11
#define PMF_POLICY_P3T 38
+#define PMF_POLICY_BIOS_OUTPUT_3 57
+#define PMF_POLICY_BIOS_OUTPUT_4 58
+#define PMF_POLICY_BIOS_OUTPUT_5 59
+#define PMF_POLICY_BIOS_OUTPUT_6 60
+#define PMF_POLICY_BIOS_OUTPUT_7 61
+#define PMF_POLICY_BIOS_OUTPUT_8 62
+#define PMF_POLICY_BIOS_OUTPUT_9 63
+#define PMF_POLICY_BIOS_OUTPUT_10 64
/* TA macros */
#define PMF_TA_IF_VERSION_MAJOR 1
@@ -344,6 +355,12 @@ struct os_power_slider {
u8 slider_event;
} __packed;
+struct amd_pmf_notify_smart_pc_update {
+ u16 size;
+ u32 pending_req;
+ u32 custom_bios[10];
+} __packed;
+
struct fan_table_control {
bool manual;
unsigned long fan_id;
@@ -717,6 +734,7 @@ extern const struct attribute_group cnqf_feature_attribute_group;
int amd_pmf_init_smart_pc(struct amd_pmf_dev *dev);
void amd_pmf_deinit_smart_pc(struct amd_pmf_dev *dev);
int apmf_check_smart_pc(struct amd_pmf_dev *pmf_dev);
+int amd_pmf_smartpc_apply_bios_output(struct amd_pmf_dev *dev, u32 val, u32 preq, u32 idx);
/* Smart PC - TA interfaces */
void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in);
diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c
index e246367aacee..19c27b6e4666 100644
--- a/drivers/platform/x86/amd/pmf/tee-if.c
+++ b/drivers/platform/x86/amd/pmf/tee-if.c
@@ -160,6 +160,46 @@ static void amd_pmf_apply_policies(struct amd_pmf_dev *dev, struct ta_pmf_enact_
dev_dbg(dev->dev, "update SYSTEM_STATE: %s\n",
amd_pmf_uevent_as_str(val));
break;
+
+ case PMF_POLICY_BIOS_OUTPUT_1:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(0), 0);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_2:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(1), 1);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_3:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(2), 2);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_4:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(3), 3);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_5:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(4), 4);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_6:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(5), 5);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_7:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(6), 6);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_8:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(7), 7);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_9:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(8), 8);
+ break;
+
+ case PMF_POLICY_BIOS_OUTPUT_10:
+ amd_pmf_smartpc_apply_bios_output(dev, val, BIT(9), 9);
+ break;
}
}
}
--
2.25.1
