blob: 19e487593ec20d62256f3ae9b675a1c64645663b [file] [log] [blame]
/* Copyright (c) 2009-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
/*
* SOC Info Routines
*
*/
#include <linux/err.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/sys_soc.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/sysdev.h>
#include <linux/types.h>
#include <asm/mach-types.h>
#include <mach/socinfo.h>
#include "smd_private.h"
#define BUILD_ID_LENGTH 32
enum {
HW_PLATFORM_UNKNOWN = 0,
HW_PLATFORM_SURF = 1,
HW_PLATFORM_FFA = 2,
HW_PLATFORM_FLUID = 3,
HW_PLATFORM_SVLTE_FFA = 4,
HW_PLATFORM_SVLTE_SURF = 5,
HW_PLATFORM_MTP = 8,
HW_PLATFORM_LIQUID = 9,
/* Dragonboard platform id is assigned as 10 in CDT */
HW_PLATFORM_DRAGON = 10,
HW_PLATFORM_HRD = 13,
HW_PLATFORM_DTV = 14,
HW_PLATFORM_INVALID
};
const char *hw_platform[] = {
[HW_PLATFORM_UNKNOWN] = "Unknown",
[HW_PLATFORM_SURF] = "Surf",
[HW_PLATFORM_FFA] = "FFA",
[HW_PLATFORM_FLUID] = "Fluid",
[HW_PLATFORM_SVLTE_FFA] = "SVLTE_FFA",
[HW_PLATFORM_SVLTE_SURF] = "SLVTE_SURF",
[HW_PLATFORM_MTP] = "MTP",
[HW_PLATFORM_LIQUID] = "Liquid",
[HW_PLATFORM_DRAGON] = "Dragon",
[HW_PLATFORM_HRD] = "HRD",
[HW_PLATFORM_DTV] = "DTV",
};
enum {
ACCESSORY_CHIP_UNKNOWN = 0,
ACCESSORY_CHIP_CHARM = 58,
};
enum {
PLATFORM_SUBTYPE_UNKNOWN = 0x0,
PLATFORM_SUBTYPE_CHARM = 0x1,
PLATFORM_SUBTYPE_STRANGE = 0x2,
PLATFORM_SUBTYPE_STRANGE_2A = 0x3,
PLATFORM_SUBTYPE_INVALID,
};
const char *hw_platform_subtype[] = {
[PLATFORM_SUBTYPE_UNKNOWN] = "Unknown",
[PLATFORM_SUBTYPE_CHARM] = "charm",
[PLATFORM_SUBTYPE_STRANGE] = "strange",
[PLATFORM_SUBTYPE_STRANGE_2A] = "strange_2a,"
};
/* Used to parse shared memory. Must match the modem. */
struct socinfo_v1 {
uint32_t format;
uint32_t id;
uint32_t version;
char build_id[BUILD_ID_LENGTH];
};
struct socinfo_v2 {
struct socinfo_v1 v1;
/* only valid when format==2 */
uint32_t raw_id;
uint32_t raw_version;
};
struct socinfo_v3 {
struct socinfo_v2 v2;
/* only valid when format==3 */
uint32_t hw_platform;
};
struct socinfo_v4 {
struct socinfo_v3 v3;
/* only valid when format==4 */
uint32_t platform_version;
};
struct socinfo_v5 {
struct socinfo_v4 v4;
/* only valid when format==5 */
uint32_t accessory_chip;
};
struct socinfo_v6 {
struct socinfo_v5 v5;
/* only valid when format==6 */
uint32_t hw_platform_subtype;
};
struct socinfo_v7 {
struct socinfo_v6 v6;
/* only valid when format==7 */
uint32_t pmic_model;
uint32_t pmic_die_revision;
};
static union {
struct socinfo_v1 v1;
struct socinfo_v2 v2;
struct socinfo_v3 v3;
struct socinfo_v4 v4;
struct socinfo_v5 v5;
struct socinfo_v6 v6;
struct socinfo_v7 v7;
} *socinfo;
static enum msm_cpu cpu_of_id[] = {
/* 7x01 IDs */
[1] = MSM_CPU_7X01,
[16] = MSM_CPU_7X01,
[17] = MSM_CPU_7X01,
[18] = MSM_CPU_7X01,
[19] = MSM_CPU_7X01,
[23] = MSM_CPU_7X01,
[25] = MSM_CPU_7X01,
[26] = MSM_CPU_7X01,
[32] = MSM_CPU_7X01,
[33] = MSM_CPU_7X01,
[34] = MSM_CPU_7X01,
[35] = MSM_CPU_7X01,
/* 7x25 IDs */
[20] = MSM_CPU_7X25,
[21] = MSM_CPU_7X25, /* 7225 */
[24] = MSM_CPU_7X25, /* 7525 */
[27] = MSM_CPU_7X25, /* 7625 */
[39] = MSM_CPU_7X25,
[40] = MSM_CPU_7X25,
[41] = MSM_CPU_7X25,
[42] = MSM_CPU_7X25,
[62] = MSM_CPU_7X25, /* 7625-1 */
[63] = MSM_CPU_7X25, /* 7225-1 */
[66] = MSM_CPU_7X25, /* 7225-2 */
/* 7x27 IDs */
[43] = MSM_CPU_7X27,
[44] = MSM_CPU_7X27,
[61] = MSM_CPU_7X27,
[67] = MSM_CPU_7X27, /* 7227-1 */
[68] = MSM_CPU_7X27, /* 7627-1 */
[69] = MSM_CPU_7X27, /* 7627-2 */
/* 8x50 IDs */
[30] = MSM_CPU_8X50,
[36] = MSM_CPU_8X50,
[37] = MSM_CPU_8X50,
[38] = MSM_CPU_8X50,
/* 7x30 IDs */
[59] = MSM_CPU_7X30,
[60] = MSM_CPU_7X30,
/* 8x55 IDs */
[74] = MSM_CPU_8X55,
[75] = MSM_CPU_8X55,
[85] = MSM_CPU_8X55,
/* 8x60 IDs */
[70] = MSM_CPU_8X60,
[71] = MSM_CPU_8X60,
[86] = MSM_CPU_8X60,
/* 8960 IDs */
[87] = MSM_CPU_8960,
/* 7x25A IDs */
[88] = MSM_CPU_7X25A,
[89] = MSM_CPU_7X25A,
[96] = MSM_CPU_7X25A,
/* 7x27A IDs */
[90] = MSM_CPU_7X27A,
[91] = MSM_CPU_7X27A,
[92] = MSM_CPU_7X27A,
[97] = MSM_CPU_7X27A,
/* FSM9xxx ID */
[94] = FSM_CPU_9XXX,
[95] = FSM_CPU_9XXX,
/* 7x25AA ID */
[98] = MSM_CPU_7X25AA,
[99] = MSM_CPU_7X25AA,
[100] = MSM_CPU_7X25AA,
/* 7x27AA ID */
[101] = MSM_CPU_7X27AA,
[102] = MSM_CPU_7X27AA,
[103] = MSM_CPU_7X27AA,
[136] = MSM_CPU_7X27AA,
/* 9x15 ID */
[104] = MSM_CPU_9615,
[105] = MSM_CPU_9615,
[106] = MSM_CPU_9615,
[107] = MSM_CPU_9615,
/* 8064 IDs */
[109] = MSM_CPU_8064,
/* 8930 IDs */
[116] = MSM_CPU_8930,
[117] = MSM_CPU_8930,
[118] = MSM_CPU_8930,
[119] = MSM_CPU_8930,
[179] = MSM_CPU_8930,
/* 8627 IDs */
[120] = MSM_CPU_8627,
[121] = MSM_CPU_8627,
/* 8660A ID */
[122] = MSM_CPU_8960,
/* 8260A ID */
[123] = MSM_CPU_8960,
/* 8060A ID */
[124] = MSM_CPU_8960,
/* 8974 IDs */
[126] = MSM_CPU_8974,
/* 8625 IDs */
[127] = MSM_CPU_8625,
[128] = MSM_CPU_8625,
[129] = MSM_CPU_8625,
[137] = MSM_CPU_8625,
[167] = MSM_CPU_8625,
/* 8064 MPQ ID */
[130] = MSM_CPU_8064,
/* 7x25AB IDs */
[131] = MSM_CPU_7X25AB,
[132] = MSM_CPU_7X25AB,
[133] = MSM_CPU_7X25AB,
[135] = MSM_CPU_7X25AB,
/* 9625 IDs */
[134] = MSM_CPU_9625,
[148] = MSM_CPU_9625,
[149] = MSM_CPU_9625,
[150] = MSM_CPU_9625,
[151] = MSM_CPU_9625,
[152] = MSM_CPU_9625,
[173] = MSM_CPU_9625,
[174] = MSM_CPU_9625,
[175] = MSM_CPU_9625,
/* 8960AB IDs */
[138] = MSM_CPU_8960AB,
[139] = MSM_CPU_8960AB,
[140] = MSM_CPU_8960AB,
[141] = MSM_CPU_8960AB,
/* 8930AA IDs */
[142] = MSM_CPU_8930AA,
[143] = MSM_CPU_8930AA,
[144] = MSM_CPU_8930AA,
[160] = MSM_CPU_8930AA,
[180] = MSM_CPU_8930AA,
/* 8226 IDs */
[145] = MSM_CPU_8226,
/* 8092 IDs */
[146] = MSM_CPU_8092,
/* 8610 IDs */
[147] = MSM_CPU_8610,
/* 8064AB IDs */
[153] = MSM_CPU_8064AB,
/* 8930AB IDs */
[154] = MSM_CPU_8930AB,
[155] = MSM_CPU_8930AB,
[156] = MSM_CPU_8930AB,
[157] = MSM_CPU_8930AB,
[181] = MSM_CPU_8930AB,
/* 8625Q IDs */
[168] = MSM_CPU_8625Q,
[169] = MSM_CPU_8625Q,
[170] = MSM_CPU_8625Q,
/* 8064AA IDs */
[172] = MSM_CPU_8064AA,
/* Uninitialized IDs are not known to run Linux.
MSM_CPU_UNKNOWN is set to 0 to ensure these IDs are
considered as unknown CPU. */
};
static enum msm_cpu cur_cpu;
static struct socinfo_v1 dummy_socinfo = {
.format = 1,
.version = 1,
};
uint32_t socinfo_get_id(void)
{
return (socinfo) ? socinfo->v1.id : 0;
}
EXPORT_SYMBOL_GPL(socinfo_get_id);
uint32_t socinfo_get_version(void)
{
return (socinfo) ? socinfo->v1.version : 0;
}
char *socinfo_get_build_id(void)
{
return (socinfo) ? socinfo->v1.build_id : NULL;
}
uint32_t socinfo_get_raw_id(void)
{
return socinfo ?
(socinfo->v1.format >= 2 ? socinfo->v2.raw_id : 0)
: 0;
}
uint32_t socinfo_get_raw_version(void)
{
return socinfo ?
(socinfo->v1.format >= 2 ? socinfo->v2.raw_version : 0)
: 0;
}
uint32_t socinfo_get_platform_type(void)
{
return socinfo ?
(socinfo->v1.format >= 3 ? socinfo->v3.hw_platform : 0)
: 0;
}
uint32_t socinfo_get_platform_version(void)
{
return socinfo ?
(socinfo->v1.format >= 4 ? socinfo->v4.platform_version : 0)
: 0;
}
/* This information is directly encoded by the machine id */
/* Thus no external callers rely on this information at the moment */
static uint32_t socinfo_get_accessory_chip(void)
{
return socinfo ?
(socinfo->v1.format >= 5 ? socinfo->v5.accessory_chip : 0)
: 0;
}
uint32_t socinfo_get_platform_subtype(void)
{
return socinfo ?
(socinfo->v1.format >= 6 ? socinfo->v6.hw_platform_subtype : 0)
: 0;
}
enum pmic_model socinfo_get_pmic_model(void)
{
return socinfo ?
(socinfo->v1.format >= 7 ? socinfo->v7.pmic_model
: PMIC_MODEL_UNKNOWN)
: PMIC_MODEL_UNKNOWN;
}
uint32_t socinfo_get_pmic_die_revision(void)
{
return socinfo ?
(socinfo->v1.format >= 7 ? socinfo->v7.pmic_die_revision : 0)
: 0;
}
static uint32_t socinfo_get_format(void)
{
return socinfo ? socinfo->v1.format : 0;
}
enum msm_cpu socinfo_get_msm_cpu(void)
{
return cur_cpu;
}
EXPORT_SYMBOL_GPL(socinfo_get_msm_cpu);
static ssize_t
socinfo_show_id(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
return snprintf(buf, PAGE_SIZE, "%u\n", socinfo_get_id());
}
static ssize_t
socinfo_show_version(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
uint32_t version;
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
version = socinfo_get_version();
return snprintf(buf, PAGE_SIZE, "%u.%u\n",
SOCINFO_VERSION_MAJOR(version),
SOCINFO_VERSION_MINOR(version));
}
static ssize_t
socinfo_show_build_id(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
return snprintf(buf, PAGE_SIZE, "%-.32s\n", socinfo_get_build_id());
}
static ssize_t
socinfo_show_raw_id(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
if (socinfo->v1.format < 2) {
pr_err("%s: Raw ID not available!\n", __func__);
return 0;
}
return snprintf(buf, PAGE_SIZE, "%u\n", socinfo_get_raw_id());
}
static ssize_t
socinfo_show_raw_version(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
if (socinfo->v1.format < 2) {
pr_err("%s: Raw version not available!\n", __func__);
return 0;
}
return snprintf(buf, PAGE_SIZE, "%u\n", socinfo_get_raw_version());
}
static ssize_t
socinfo_show_platform_type(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
uint32_t hw_type;
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
if (socinfo->v1.format < 3) {
pr_err("%s: platform type not available!\n", __func__);
return 0;
}
hw_type = socinfo_get_platform_type();
if (hw_type >= HW_PLATFORM_INVALID) {
pr_err("%s: Invalid hardware platform type found\n",
__func__);
hw_type = HW_PLATFORM_UNKNOWN;
}
return snprintf(buf, PAGE_SIZE, "%-.32s\n", hw_platform[hw_type]);
}
static ssize_t
socinfo_show_platform_version(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
if (socinfo->v1.format < 4) {
pr_err("%s: platform version not available!\n", __func__);
return 0;
}
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_platform_version());
}
static ssize_t
socinfo_show_accessory_chip(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
if (socinfo->v1.format < 5) {
pr_err("%s: accessory chip not available!\n", __func__);
return 0;
}
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_accessory_chip());
}
static ssize_t
socinfo_show_platform_subtype(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
uint32_t hw_subtype;
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
if (socinfo->v1.format < 6) {
pr_err("%s: platform subtype not available!\n", __func__);
return 0;
}
hw_subtype = socinfo_get_platform_subtype();
if (hw_subtype >= PLATFORM_SUBTYPE_INVALID) {
pr_err("%s: Invalid hardware platform sub type found\n",
__func__);
hw_subtype = PLATFORM_SUBTYPE_UNKNOWN;
}
return snprintf(buf, PAGE_SIZE, "%-.32s\n",
hw_platform_subtype[hw_subtype]);
}
static ssize_t
socinfo_show_pmic_model(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
if (socinfo->v1.format < 7) {
pr_err("%s: pmic_model not available!\n", __func__);
return 0;
}
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_pmic_model());
}
static ssize_t
socinfo_show_pmic_die_revision(struct sys_device *dev,
struct sysdev_attribute *attr,
char *buf)
{
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return 0;
}
if (socinfo->v1.format < 7) {
pr_err("%s: pmic_die_revision not available!\n", __func__);
return 0;
}
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_pmic_die_revision());
}
static ssize_t
msm_get_vendor(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "Qualcomm\n");
}
static ssize_t
msm_get_raw_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_raw_id());
}
static ssize_t
msm_get_raw_version(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_raw_version());
}
static ssize_t
msm_get_build_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%-.32s\n",
socinfo_get_build_id());
}
static ssize_t
msm_get_hw_platform(struct device *dev,
struct device_attribute *attr,
char *buf)
{
uint32_t hw_type;
hw_type = socinfo_get_platform_type();
return snprintf(buf, PAGE_SIZE, "%-.32s\n",
hw_platform[hw_type]);
}
static ssize_t
msm_get_platform_version(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_platform_version());
}
static ssize_t
msm_get_accessory_chip(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_accessory_chip());
}
static ssize_t
msm_get_platform_subtype(struct device *dev,
struct device_attribute *attr,
char *buf)
{
uint32_t hw_subtype;
hw_subtype = socinfo_get_platform_subtype();
return snprintf(buf, PAGE_SIZE, "%-.32s\n",
hw_platform_subtype[hw_subtype]);
}
static ssize_t
msm_get_pmic_model(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_pmic_model());
}
static ssize_t
msm_get_pmic_die_revision(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u\n",
socinfo_get_pmic_die_revision());
}
static struct sysdev_attribute socinfo_v1_files[] = {
_SYSDEV_ATTR(id, 0444, socinfo_show_id, NULL),
_SYSDEV_ATTR(version, 0444, socinfo_show_version, NULL),
_SYSDEV_ATTR(build_id, 0444, socinfo_show_build_id, NULL),
};
static struct sysdev_attribute socinfo_v2_files[] = {
_SYSDEV_ATTR(raw_id, 0444, socinfo_show_raw_id, NULL),
_SYSDEV_ATTR(raw_version, 0444, socinfo_show_raw_version, NULL),
};
static struct sysdev_attribute socinfo_v3_files[] = {
_SYSDEV_ATTR(hw_platform, 0444, socinfo_show_platform_type, NULL),
};
static struct sysdev_attribute socinfo_v4_files[] = {
_SYSDEV_ATTR(platform_version, 0444,
socinfo_show_platform_version, NULL),
};
static struct sysdev_attribute socinfo_v5_files[] = {
_SYSDEV_ATTR(accessory_chip, 0444,
socinfo_show_accessory_chip, NULL),
};
static struct sysdev_attribute socinfo_v6_files[] = {
_SYSDEV_ATTR(platform_subtype, 0444,
socinfo_show_platform_subtype, NULL),
};
static struct sysdev_attribute socinfo_v7_files[] = {
_SYSDEV_ATTR(pmic_model, 0444,
socinfo_show_pmic_model, NULL),
_SYSDEV_ATTR(pmic_die_revision, 0444,
socinfo_show_pmic_die_revision, NULL),
};
static struct device_attribute msm_soc_attr_raw_version =
__ATTR(raw_version, S_IRUGO, msm_get_raw_version, NULL);
static struct device_attribute msm_soc_attr_raw_id =
__ATTR(raw_id, S_IRUGO, msm_get_raw_id, NULL);
static struct device_attribute msm_soc_attr_vendor =
__ATTR(vendor, S_IRUGO, msm_get_vendor, NULL);
static struct device_attribute msm_soc_attr_build_id =
__ATTR(build_id, S_IRUGO, msm_get_build_id, NULL);
static struct device_attribute msm_soc_attr_hw_platform =
__ATTR(hw_platform, S_IRUGO, msm_get_hw_platform, NULL);
static struct device_attribute msm_soc_attr_platform_version =
__ATTR(platform_version, S_IRUGO,
msm_get_platform_version, NULL);
static struct device_attribute msm_soc_attr_accessory_chip =
__ATTR(accessory_chip, S_IRUGO,
msm_get_accessory_chip, NULL);
static struct device_attribute msm_soc_attr_platform_subtype =
__ATTR(platform_subtype, S_IRUGO,
msm_get_platform_subtype, NULL);
static struct device_attribute msm_soc_attr_pmic_model =
__ATTR(pmic_model, S_IRUGO,
msm_get_pmic_model, NULL);
static struct device_attribute msm_soc_attr_pmic_die_revision =
__ATTR(pmic_die_revision, S_IRUGO,
msm_get_pmic_die_revision, NULL);
static struct sysdev_class soc_sysdev_class = {
.name = "soc",
};
static struct sys_device soc_sys_device = {
.id = 0,
.cls = &soc_sysdev_class,
};
static int __init socinfo_create_files(struct sys_device *dev,
struct sysdev_attribute files[],
int size)
{
int i;
for (i = 0; i < size; i++) {
int err = sysdev_create_file(dev, &files[i]);
if (err) {
pr_err("%s: sysdev_create_file(%s)=%d\n",
__func__, files[i].attr.name, err);
return err;
}
}
return 0;
}
static void * __init setup_dummy_socinfo(void)
{
if (machine_is_msm8960_cdp())
dummy_socinfo.id = 87;
else if (machine_is_msm9615_mtp() || machine_is_msm9615_cdp())
dummy_socinfo.id = 104;
else if (early_machine_is_msm8974()) {
dummy_socinfo.id = 126;
strlcpy(dummy_socinfo.build_id, "msm8974 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm9625()) {
dummy_socinfo.id = 134;
strlcpy(dummy_socinfo.build_id, "msm9625 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8226()) {
dummy_socinfo.id = 145;
strlcpy(dummy_socinfo.build_id, "msm8226 - ",
sizeof(dummy_socinfo.build_id));
} else if (machine_is_msm8625_rumi3())
dummy_socinfo.id = 127;
else if (early_machine_is_mpq8092()) {
dummy_socinfo.id = 146;
strlcpy(dummy_socinfo.build_id, "mpq8092 - ",
sizeof(dummy_socinfo.build_id));
} else if (early_machine_is_msm8610()) {
dummy_socinfo.id = 147;
strlcpy(dummy_socinfo.build_id, "msm8610 - ",
sizeof(dummy_socinfo.build_id));
}
strlcat(dummy_socinfo.build_id, "Dummy socinfo",
sizeof(dummy_socinfo.build_id));
return (void *) &dummy_socinfo;
}
static void __init populate_soc_sysfs_files(struct device *msm_soc_device)
{
uint32_t legacy_format = socinfo_get_format();
device_create_file(msm_soc_device, &msm_soc_attr_vendor);
switch (legacy_format) {
case 7:
device_create_file(msm_soc_device,
&msm_soc_attr_pmic_model);
device_create_file(msm_soc_device,
&msm_soc_attr_pmic_die_revision);
case 6:
device_create_file(msm_soc_device,
&msm_soc_attr_platform_subtype);
case 5:
device_create_file(msm_soc_device,
&msm_soc_attr_accessory_chip);
case 4:
device_create_file(msm_soc_device,
&msm_soc_attr_platform_version);
case 3:
device_create_file(msm_soc_device,
&msm_soc_attr_hw_platform);
case 2:
device_create_file(msm_soc_device,
&msm_soc_attr_raw_id);
device_create_file(msm_soc_device,
&msm_soc_attr_raw_version);
case 1:
device_create_file(msm_soc_device,
&msm_soc_attr_build_id);
break;
default:
pr_err("%s:Unknown socinfo format:%u\n", __func__,
legacy_format);
break;
}
return;
}
static void __init soc_info_populate(struct soc_device_attribute *soc_dev_attr)
{
uint32_t soc_version = socinfo_get_version();
soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%d", socinfo_get_id());
soc_dev_attr->machine = "Snapdragon";
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u.%u",
SOCINFO_VERSION_MAJOR(soc_version),
SOCINFO_VERSION_MINOR(soc_version));
return;
}
static int __init socinfo_init_sysdev(void)
{
int err;
struct device *msm_soc_device;
struct soc_device *soc_dev;
struct soc_device_attribute *soc_dev_attr;
if (!socinfo) {
pr_err("%s: No socinfo found!\n", __func__);
return -ENODEV;
}
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr) {
pr_err("%s: Soc Device alloc failed!\n", __func__);
return -ENOMEM;
}
soc_info_populate(soc_dev_attr);
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR_OR_NULL(soc_dev)) {
kfree(soc_dev_attr);
pr_err("%s: Soc device register failed\n", __func__);
return -EIO;
}
msm_soc_device = soc_device_to_device(soc_dev);
populate_soc_sysfs_files(msm_soc_device);
err = sysdev_class_register(&soc_sysdev_class);
if (err) {
pr_err("%s: sysdev_class_register fail (%d)\n",
__func__, err);
return err;
}
err = sysdev_register(&soc_sys_device);
if (err) {
pr_err("%s: sysdev_register fail (%d)\n",
__func__, err);
return err;
}
socinfo_create_files(&soc_sys_device, socinfo_v1_files,
ARRAY_SIZE(socinfo_v1_files));
if (socinfo->v1.format < 2)
return err;
socinfo_create_files(&soc_sys_device, socinfo_v2_files,
ARRAY_SIZE(socinfo_v2_files));
if (socinfo->v1.format < 3)
return err;
socinfo_create_files(&soc_sys_device, socinfo_v3_files,
ARRAY_SIZE(socinfo_v3_files));
if (socinfo->v1.format < 4)
return err;
socinfo_create_files(&soc_sys_device, socinfo_v4_files,
ARRAY_SIZE(socinfo_v4_files));
if (socinfo->v1.format < 5)
return err;
socinfo_create_files(&soc_sys_device, socinfo_v5_files,
ARRAY_SIZE(socinfo_v5_files));
if (socinfo->v1.format < 6)
return err;
socinfo_create_files(&soc_sys_device, socinfo_v6_files,
ARRAY_SIZE(socinfo_v6_files));
if (socinfo->v1.format < 7)
return err;
socinfo_create_files(&soc_sys_device, socinfo_v7_files,
ARRAY_SIZE(socinfo_v7_files));
return 0;
}
arch_initcall(socinfo_init_sysdev);
static void socinfo_print(void)
{
switch (socinfo->v1.format) {
case 1:
pr_info("%s: v%u, id=%u, ver=%u.%u\n",
__func__, socinfo->v1.format, socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version));
break;
case 2:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u\n",
__func__, socinfo->v1.format, socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version);
break;
case 3:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u, hw_plat=%u\n",
__func__, socinfo->v1.format, socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform);
break;
case 4:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n",
__func__, socinfo->v1.format, socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version);
break;
case 5:
pr_info("%s: v%u, id=%u, ver=%u.%u, "
"raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n"
" accessory_chip=%u\n", __func__, socinfo->v1.format,
socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version,
socinfo->v5.accessory_chip);
break;
case 6:
pr_info("%s: v%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\n", __func__,
socinfo->v1.format,
socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version,
socinfo->v5.accessory_chip,
socinfo->v6.hw_platform_subtype);
break;
case 7:
pr_info("%s: v%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\n",
__func__,
socinfo->v1.format,
socinfo->v1.id,
SOCINFO_VERSION_MAJOR(socinfo->v1.version),
SOCINFO_VERSION_MINOR(socinfo->v1.version),
socinfo->v2.raw_id, socinfo->v2.raw_version,
socinfo->v3.hw_platform, socinfo->v4.platform_version,
socinfo->v5.accessory_chip,
socinfo->v6.hw_platform_subtype,
socinfo->v7.pmic_model,
socinfo->v7.pmic_die_revision);
break;
default:
pr_err("%s: Unknown format found\n", __func__);
break;
}
}
int __init socinfo_init(void)
{
socinfo = smem_alloc(SMEM_HW_SW_BUILD_ID, sizeof(struct socinfo_v7));
if (!socinfo)
socinfo = smem_alloc(SMEM_HW_SW_BUILD_ID,
sizeof(struct socinfo_v6));
if (!socinfo)
socinfo = smem_alloc(SMEM_HW_SW_BUILD_ID,
sizeof(struct socinfo_v5));
if (!socinfo)
socinfo = smem_alloc(SMEM_HW_SW_BUILD_ID,
sizeof(struct socinfo_v4));
if (!socinfo)
socinfo = smem_alloc(SMEM_HW_SW_BUILD_ID,
sizeof(struct socinfo_v3));
if (!socinfo)
socinfo = smem_alloc(SMEM_HW_SW_BUILD_ID,
sizeof(struct socinfo_v2));
if (!socinfo)
socinfo = smem_alloc(SMEM_HW_SW_BUILD_ID,
sizeof(struct socinfo_v1));
if (!socinfo) {
pr_warn("%s: Can't find SMEM_HW_SW_BUILD_ID; falling back on dummy values.\n",
__func__);
socinfo = setup_dummy_socinfo();
}
WARN(!socinfo_get_id(), "Unknown SOC ID!\n");
WARN(socinfo_get_id() >= ARRAY_SIZE(cpu_of_id),
"New IDs added! ID => CPU mapping might need an update.\n");
if (socinfo->v1.id < ARRAY_SIZE(cpu_of_id))
cur_cpu = cpu_of_id[socinfo->v1.id];
socinfo_print();
return 0;
}
const int get_core_count(void)
{
if (!(read_cpuid_mpidr() & BIT(31)))
return 1;
if (read_cpuid_mpidr() & BIT(30))
return 1;
/* 1 + the PART[1:0] field of MIDR */
return ((read_cpuid_id() >> 4) & 3) + 1;
}
const int read_msm_cpu_type(void)
{
if (socinfo_get_msm_cpu() != MSM_CPU_UNKNOWN)
return socinfo_get_msm_cpu();
switch (read_cpuid_id()) {
case 0x510F02D0:
case 0x510F02D2:
case 0x510F02D4:
return MSM_CPU_8X60;
case 0x510F04D0:
case 0x510F04D1:
case 0x510F04D2:
case 0x511F04D0:
case 0x512F04D0:
return MSM_CPU_8960;
case 0x51404D11: /* We can't get here unless we are in bringup */
return MSM_CPU_8930;
case 0x510F06F0:
return MSM_CPU_8064;
case 0x511F06F1:
case 0x511F06F2:
case 0x512F06F0:
return MSM_CPU_8974;
default:
return MSM_CPU_UNKNOWN;
};
}
const int cpu_is_krait(void)
{
return ((read_cpuid_id() & 0xFF00FC00) == 0x51000400);
}
const int cpu_is_krait_v1(void)
{
switch (read_cpuid_id()) {
case 0x510F04D0:
case 0x510F04D1:
case 0x510F04D2:
return 1;
default:
return 0;
};
}
const int cpu_is_krait_v2(void)
{
switch (read_cpuid_id()) {
case 0x511F04D0:
case 0x511F04D1:
case 0x511F04D2:
case 0x511F04D3:
case 0x511F04D4:
case 0x510F06F0:
case 0x510F06F1:
case 0x510F06F2:
return 1;
default:
return 0;
};
}
const int cpu_is_krait_v3(void)
{
switch (read_cpuid_id()) {
case 0x512F04D0:
case 0x511F06F0:
case 0x511F06F1:
case 0x511F06F2:
case 0x510F05D0:
return 1;
default:
return 0;
};
}