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Commit 0b27bffc authored by Mukesh Ojha's avatar Mukesh Ojha Committed by Gerrit - the friendly Code Review server
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soc: qcom: socinfo: Add sku sysfs support 



Add the support to get the sku information from userspace.

Change-Id: I39b60fcc430308cd75e67fa400ad9515b5ad4b65
Signed-off-by: default avatarMukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: default avatarSwetha Chikkaboraiah <quic_schikk@quicinc.com>
parent f7cd0735

drivers/soc/qcom/socinfo.c

+116 −2
Original line number Original line Diff line number Diff line
@@ -240,6 +240,51 @@ static union { 
/* max socinfo format version supported */

/* max socinfo format version supported */

#define MAX_SOCINFO_FORMAT SOCINFO_VERSION(0, 16)

#define MAX_SOCINFO_FORMAT SOCINFO_VERSION(0, 16)





enum {

	/* External SKU */

	SKU_UNKNOWN = 0x0,

	SKU_AA = 0x1,

	SKU_AB = 0x2,

	SKU_AC = 0x3,

	SKU_AD = 0x4,

	SKU_AE = 0x5,

	SKU_AF = 0x6,

	SKU_EXT_RESERVE,



	/* Internal SKU */

	SKU_Y0 = 0xf1,

	SKU_Y1 = 0xf2,

	SKU_Y2 = 0xf3,

	SKU_Y3 = 0xf4,

	SKU_Y4 = 0xf5,

	SKU_Y5 = 0xf6,

	SKU_Y6 = 0xf7,

	SKU_Y7 = 0xf8,

	SKU_INT_RESERVE,

};



static const char * const hw_platform_esku[] = {

	[SKU_UNKNOWN] = "Unknown",

	[SKU_AA] = "AA",

	[SKU_AB] = "AB",

	[SKU_AC] = "AC",

	[SKU_AD] = "AD",

	[SKU_AE] = "AE",

	[SKU_AF] = "AF",

};



#define SKU_INT_MASK 0x0f

static const char * const hw_platform_isku[] = {

	[SKU_Y0 & SKU_INT_MASK] = "Y0",

	[SKU_Y1 & SKU_INT_MASK] = "Y1",

	[SKU_Y2 & SKU_INT_MASK] = "Y2",

	[SKU_Y3 & SKU_INT_MASK] = "Y3",

	[SKU_Y4 & SKU_INT_MASK] = "Y4",

	[SKU_Y5 & SKU_INT_MASK] = "Y5",

	[SKU_Y6 & SKU_INT_MASK] = "Y6",

	[SKU_Y7 & SKU_INT_MASK] = "Y7",

};



static struct msm_soc_info cpu_of_id[] = {

static struct msm_soc_info cpu_of_id[] = {

	[0]  = {MSM_CPU_UNKNOWN, "Unknown CPU"},

	[0]  = {MSM_CPU_UNKNOWN, "Unknown CPU"},

	/* 8960 IDs */

	/* 8960 IDs */
@@ -418,6 +463,7 @@ static struct msm_soc_info cpu_of_id[] = { 
static enum msm_cpu cur_cpu;

static enum msm_cpu cur_cpu;

static int current_image;

static int current_image;

static uint32_t socinfo_format;

static uint32_t socinfo_format;

static const char *sku;





static struct socinfo_v0_1 dummy_socinfo = {

static struct socinfo_v0_1 dummy_socinfo = {

	.format = SOCINFO_VERSION(0, 1),

	.format = SOCINFO_VERSION(0, 1),
@@ -667,6 +713,34 @@ static uint32_t socinfo_get_nmodem_supported(void) 
		: 0;

		: 0;

}

}





static uint32_t socinfo_get_eskuid(void)

{

	return socinfo ?

		(socinfo_format >= SOCINFO_VERSION(0, 16) ?

			le32_to_cpu(socinfo->v0_16.esku) : 0)

		: 0;

}



static const char *socinfo_get_esku_mapping(void)

{

	uint32_t id = socinfo_get_eskuid();



	if (id > SKU_UNKNOWN && id < SKU_EXT_RESERVE)

		return hw_platform_esku[id];

	else if (id >= SKU_Y0 && id < SKU_INT_RESERVE)

		return hw_platform_isku[id & SKU_INT_MASK];



	return NULL;

}



static uint32_t socinfo_get_nproduct_code(void)

{

	return socinfo ?

		(socinfo_format >= SOCINFO_VERSION(0, 16) ?

			le32_to_cpu(socinfo->v0_16.nproduct_code) : 0)

		: 0;

}



enum pmic_model socinfo_get_pmic_model(void)

enum pmic_model socinfo_get_pmic_model(void)

{

{

	return socinfo ?

	return socinfo ?
@@ -998,6 +1072,26 @@ msm_get_nmodem_supported(struct device *dev, 
		socinfo_get_nmodem_supported());

		socinfo_get_nmodem_supported());

}

}





static ssize_t

msm_get_sku(struct device *dev,

			struct device_attribute *attr,

			char *buf)

{

	return scnprintf(buf, PAGE_SIZE, "%s\n",

		sku ? sku : "Unknown");

}



static ssize_t

msm_get_esku(struct device *dev,

			struct device_attribute *attr,

			char *buf)

{

	const char *esku = socinfo_get_esku_mapping();



	return scnprintf(buf, PAGE_SIZE, "%s\n",

		esku ? esku : "Unknown");

}



static ssize_t

static ssize_t

msm_get_pmic_model(struct device *dev,

msm_get_pmic_model(struct device *dev,

			struct device_attribute *attr,

			struct device_attribute *attr,
@@ -1313,6 +1407,12 @@ static struct device_attribute msm_soc_attr_nmodem_supported = 
	__ATTR(nmodem_supported, 0444,

	__ATTR(nmodem_supported, 0444,

			msm_get_nmodem_supported, NULL);

			msm_get_nmodem_supported, NULL);





static struct device_attribute msm_soc_attr_sku =

	__ATTR(sku, 0444, msm_get_sku, NULL);



static struct device_attribute msm_soc_attr_esku =

	__ATTR(esku, 0444, msm_get_esku, NULL);



static struct device_attribute msm_soc_attr_pmic_model =

static struct device_attribute msm_soc_attr_pmic_model =

	__ATTR(pmic_model, 0444,

	__ATTR(pmic_model, 0444,

			msm_get_pmic_model, NULL);

			msm_get_pmic_model, NULL);
@@ -1500,6 +1600,10 @@ static void __init populate_soc_sysfs_files(struct device *msm_soc_device) 




	switch (socinfo_format) {

	switch (socinfo_format) {

	case SOCINFO_VERSION(0, 16):

	case SOCINFO_VERSION(0, 16):

		device_create_file(msm_soc_device,

					&msm_soc_attr_sku);

		device_create_file(msm_soc_device,

					&msm_soc_attr_esku);

	case SOCINFO_VERSION(0, 15):

	case SOCINFO_VERSION(0, 15):

		device_create_file(msm_soc_device,

		device_create_file(msm_soc_device,

					&msm_soc_attr_nmodem_supported);

					&msm_soc_attr_nmodem_supported);
@@ -1799,7 +1903,7 @@ static void socinfo_print(void) 
		break;

		break;





	case SOCINFO_VERSION(0, 16):

	case SOCINFO_VERSION(0, 16):

		pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u foundry_id=%u serial_number=%u num_pmics=%u chip_family=0x%x raw_device_family=0x%x raw_device_number=0x%x nproduct_id=0x%x num_clusters=0x%x ncluster_array_offset=0x%x num_subset_parts=0x%x nsubset_parts_array_offset=0x%x nmodem_supported=0x%x\n",

		pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u foundry_id=%u serial_number=%u num_pmics=%u chip_family=0x%x raw_device_family=0x%x raw_device_number=0x%x nproduct_id=0x%x num_clusters=0x%x ncluster_array_offset=0x%x num_subset_parts=0x%x nsubset_parts_array_offset=0x%x nmodem_supported=0x%x sku=%s\n",

			f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,

			f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,

			socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,

			socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,

			socinfo->v0_3.hw_platform,

			socinfo->v0_3.hw_platform,
@@ -1819,7 +1923,8 @@ static void socinfo_print(void) 
			socinfo->v0_14.ncluster_array_offset,

			socinfo->v0_14.ncluster_array_offset,

			socinfo->v0_14.num_subset_parts,

			socinfo->v0_14.num_subset_parts,

			socinfo->v0_14.nsubset_parts_array_offset,

			socinfo->v0_14.nsubset_parts_array_offset,

			socinfo->v0_15.nmodem_supported);

			socinfo->v0_15.nmodem_supported,

			sku ? sku : "Unknown");

		break;

		break;





	default:

	default:
@@ -1854,6 +1959,7 @@ int __init socinfo_init(void) 
	static bool socinfo_init_done;

	static bool socinfo_init_done;

	size_t size;

	size_t size;

	uint32_t soc_info_id;

	uint32_t soc_info_id;

	const char *machine, *esku;





	if (socinfo_init_done)

	if (socinfo_init_done)

		return 0;

		return 0;
@@ -1873,6 +1979,14 @@ int __init socinfo_init(void) 
			(!cpu_of_id[soc_info_id].soc_id_string))

			(!cpu_of_id[soc_info_id].soc_id_string))

		pr_warn("New IDs added! ID => CPU mapping needs an update.\n");

		pr_warn("New IDs added! ID => CPU mapping needs an update.\n");





	if (socinfo_format >= SOCINFO_VERSION(0, 16)) {

		machine = socinfo_get_id_string();

		esku = socinfo_get_esku_mapping();

		if (machine && esku)

			sku = kasprintf(GFP_KERNEL, "%s-%u-%s",

				machine, socinfo_get_nproduct_code(), esku);

	}



	cur_cpu = cpu_of_id[socinfo->v0_1.id].generic_soc_type;

	cur_cpu = cpu_of_id[socinfo->v0_1.id].generic_soc_type;

	boot_stats_init();

	boot_stats_init();

	socinfo_print();

	socinfo_print();