| /* 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; |
| }; |
| } |