Unverified Commit 4389d380 authored by Shyam Sundar S K's avatar Shyam Sundar S K Committed by Ilpo Järvinen
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platform/x86/amd/pmf: Add helper to verify BIOS input notifications are enable/disable 



Implement a helper function to check if BIOS input notifications are
enabled or disabled.

Co-developed-by: default avatarPatil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: default avatarPatil Rajesh Reddy <Patil.Reddy@amd.com>
Tested-by: default avatarYijun Shen <Yijun.Shen@Dell.com>
Signed-off-by: default avatarShyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://patch.msgid.link/20250901110140.2519072-6-Shyam-sundar.S-k@amd.com


Reviewed-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
parent 37336ecb

drivers/platform/x86/amd/pmf/acpi.c

+6 −0
Original line number Diff line number Diff line
@@ -161,6 +161,11 @@ int is_apmf_func_supported(struct amd_pmf_dev *pdev, unsigned long index) 
	return !!(pdev->supported_func & BIT(index - 1));

}



int is_apmf_bios_input_notifications_supported(struct amd_pmf_dev *pdev)

{

	return !!(pdev->notifications & CUSTOM_BIOS_INPUT_BITS);

}



int apts_get_static_slider_granular_v2(struct amd_pmf_dev *pdev,

				       struct amd_pmf_apts_granular_output *data, u32 apts_idx)

{
@@ -385,6 +390,7 @@ static int apmf_if_verify_interface(struct amd_pmf_dev *pdev) 


	pdev->pmf_if_version = output.version;



	pdev->notifications =  output.notification_mask;

	return 0;

}

drivers/platform/x86/amd/pmf/pmf.h

+16 −0
Original line number Diff line number Diff line
@@ -118,6 +118,7 @@ struct cookie_header { 
#define PMF_IF_V2		2



#define APTS_MAX_STATES		16

#define CUSTOM_BIOS_INPUT_BITS	GENMASK(16, 7)



/* APTS PMF BIOS Interface */

struct amd_pmf_apts_output {
@@ -377,6 +378,7 @@ struct amd_pmf_dev { 
	struct resource *res;

	struct apmf_sbios_req_v2 req; /* To get custom bios pending request */

	struct mutex cb_mutex;

	u32 notifications;

};



struct apmf_sps_prop_granular_v2 {
@@ -641,6 +643,19 @@ static const struct amd_pmf_pb_bitmap custom_bios_inputs[] __used = { 
	{"NOTIFY_CUSTOM_BIOS_INPUT10",    BIT(14)},

};



static const struct amd_pmf_pb_bitmap custom_bios_inputs_v1[] __used = {

	{"NOTIFY_CUSTOM_BIOS_INPUT1",     BIT(7)},

	{"NOTIFY_CUSTOM_BIOS_INPUT2",     BIT(8)},

	{"NOTIFY_CUSTOM_BIOS_INPUT3",     BIT(9)},

	{"NOTIFY_CUSTOM_BIOS_INPUT4",     BIT(10)},

	{"NOTIFY_CUSTOM_BIOS_INPUT5",     BIT(11)},

	{"NOTIFY_CUSTOM_BIOS_INPUT6",     BIT(12)},

	{"NOTIFY_CUSTOM_BIOS_INPUT7",     BIT(13)},

	{"NOTIFY_CUSTOM_BIOS_INPUT8",     BIT(14)},

	{"NOTIFY_CUSTOM_BIOS_INPUT9",     BIT(15)},

	{"NOTIFY_CUSTOM_BIOS_INPUT10",    BIT(16)},

};



enum platform_type {

	PTYPE_UNKNOWN = 0,

	LID_CLOSE,
@@ -792,6 +807,7 @@ int apmf_os_power_slider_update(struct amd_pmf_dev *dev, u8 flag); 
int amd_pmf_set_dram_addr(struct amd_pmf_dev *dev, bool alloc_buffer);

int amd_pmf_notify_sbios_heartbeat_event_v2(struct amd_pmf_dev *dev, u8 flag);

u32 fixp_q88_fromint(u32 val);

int is_apmf_bios_input_notifications_supported(struct amd_pmf_dev *pdev);



/* SPS Layer */

int amd_pmf_get_pprof_modes(struct amd_pmf_dev *pmf);