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Message-Id: <1476972386-28655-1-git-send-email-kimran@codeaurora.org>
Date: Thu, 20 Oct 2016 19:36:22 +0530
From: Imran Khan <kimran@...eaurora.org>
To: andy.gross@...aro.org
Cc: Imran Khan <kimran@...eaurora.org>,
David Brown <david.brown@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
linux-arm-msm@...r.kernel.org (open list:ARM/QUALCOMM SUPPORT),
linux-soc@...r.kernel.org (open list:ARM/QUALCOMM SUPPORT),
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] soc: qcom: Add SoC info driver
The SoC info driver provides information such as Chip ID,
Chip family, serial number and other such details about
Qualcomm SoCs.
Signed-off-by: Imran Khan <kimran@...eaurora.org>
---
.../devicetree/bindings/soc/qcom/qcom,socinfo.txt | 18 +
drivers/soc/qcom/socinfo.c | 1173 ++++++++++++++++++++
include/linux/soc/qcom/socinfo.h | 198 ++++
3 files changed, 1389 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,socinfo.txt
create mode 100644 drivers/soc/qcom/socinfo.c
create mode 100644 include/linux/soc/qcom/socinfo.h
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,socinfo.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,socinfo.txt
new file mode 100644
index 0000000..1f26299
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,socinfo.txt
@@ -0,0 +1,18 @@
+Qualcomm SoC Information (socinfo) Driver binding
+
+This binding describes the Qualcomm SoC Information Driver, which provides
+information such as chip id, chip family, serial number and other such
+details about Qualcomm SoCs.
+
+- compatible:
+ Usage: required
+ Value type: <stringlist>
+ Definition: must be "qcom,socinfo"
+
+= EXAMPLE
+
+The following example represents a socinfo node.
+
+ socinfo {
+ compatible = "qcom,socinfo";
+ };
diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
new file mode 100644
index 0000000..dc26028
--- /dev/null
+++ b/drivers/soc/qcom/socinfo.c
@@ -0,0 +1,1173 @@
+/*
+ * Copyright (c) 2009-2016, 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
+ *
+ */
+
+#define pr_fmt(fmt) "%s: " fmt, __func__
+
+#include <linux/export.h>
+#include <linux/module.h>
+#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/string.h>
+#include <linux/types.h>
+#include <linux/soc/qcom/socinfo.h>
+#include <linux/soc/qcom/smem.h>
+
+#include <asm/system_misc.h>
+
+
+#define BUILD_ID_LENGTH 32
+#define SMEM_IMAGE_VERSION_BLOCKS_COUNT 32
+#define SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE 128
+#define SMEM_IMAGE_VERSION_SIZE 4096
+#define SMEM_IMAGE_VERSION_NAME_SIZE 75
+#define SMEM_IMAGE_VERSION_VARIANT_SIZE 20
+#define SMEM_IMAGE_VERSION_VARIANT_OFFSET 75
+#define SMEM_IMAGE_VERSION_OEM_SIZE 32
+#define SMEM_IMAGE_VERSION_OEM_OFFSET 96
+#define SMEM_IMAGE_VERSION_PARTITION_APPS 10
+#define SMEM_ITEM_SIZE_ALIGN 8
+/*
+ * Shared memory identifiers, used to acquire handles to respective memory
+ * region.
+ */
+#define SMEM_IMAGE_VERSION_TABLE 469
+#define SMEM_HW_SW_BUILD_ID 137
+
+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_MDM] = "MDM_MTP_NO_DISPLAY",
+ [HW_PLATFORM_MTP] = "MTP",
+ [HW_PLATFORM_RCM] = "RCM",
+ [HW_PLATFORM_LIQUID] = "Liquid",
+ [HW_PLATFORM_DRAGON] = "Dragon",
+ [HW_PLATFORM_QRD] = "QRD",
+ [HW_PLATFORM_HRD] = "HRD",
+ [HW_PLATFORM_DTV] = "DTV",
+ [HW_PLATFORM_STP] = "STP",
+ [HW_PLATFORM_SBC] = "SBC",
+};
+
+const char *qrd_hw_platform_subtype[] = {
+ [PLATFORM_SUBTYPE_QRD] = "QRD",
+ [PLATFORM_SUBTYPE_SKUAA] = "SKUAA",
+ [PLATFORM_SUBTYPE_SKUF] = "SKUF",
+ [PLATFORM_SUBTYPE_SKUAB] = "SKUAB",
+ [PLATFORM_SUBTYPE_SKUG] = "SKUG",
+ [PLATFORM_SUBTYPE_QRD_INVALID] = "INVALID",
+};
+
+const char *hw_platform_subtype[] = {
+ [PLATFORM_SUBTYPE_UNKNOWN] = "Unknown",
+ [PLATFORM_SUBTYPE_CHARM] = "charm",
+ [PLATFORM_SUBTYPE_STRANGE] = "strange",
+ [PLATFORM_SUBTYPE_STRANGE_2A] = "strange_2a",
+ [PLATFORM_SUBTYPE_INVALID] = "Invalid",
+};
+
+/* Used to parse shared memory. Must match the modem. */
+struct socinfo_v0_1 {
+ uint32_t format;
+ uint32_t id;
+ uint32_t version;
+ char build_id[BUILD_ID_LENGTH];
+};
+
+struct socinfo_v0_2 {
+ struct socinfo_v0_1 v0_1;
+ uint32_t raw_id;
+ uint32_t raw_version;
+};
+
+struct socinfo_v0_3 {
+ struct socinfo_v0_2 v0_2;
+ uint32_t hw_platform;
+};
+
+struct socinfo_v0_4 {
+ struct socinfo_v0_3 v0_3;
+ uint32_t platform_version;
+};
+
+struct socinfo_v0_5 {
+ struct socinfo_v0_4 v0_4;
+ uint32_t accessory_chip;
+};
+
+struct socinfo_v0_6 {
+ struct socinfo_v0_5 v0_5;
+ uint32_t hw_platform_subtype;
+};
+
+struct socinfo_v0_7 {
+ struct socinfo_v0_6 v0_6;
+ uint32_t pmic_model;
+ uint32_t pmic_die_revision;
+};
+
+struct socinfo_v0_8 {
+ struct socinfo_v0_7 v0_7;
+ uint32_t pmic_model_1;
+ uint32_t pmic_die_revision_1;
+ uint32_t pmic_model_2;
+ uint32_t pmic_die_revision_2;
+};
+
+struct socinfo_v0_9 {
+ struct socinfo_v0_8 v0_8;
+ uint32_t foundry_id;
+};
+
+struct socinfo_v0_10 {
+ struct socinfo_v0_9 v0_9;
+ uint32_t serial_number;
+};
+
+struct socinfo_v0_11 {
+ struct socinfo_v0_10 v0_10;
+ uint32_t num_pmics;
+ uint32_t pmic_array_offset;
+};
+
+struct socinfo_v0_12 {
+ struct socinfo_v0_11 v0_11;
+ uint32_t chip_family;
+ uint32_t raw_device_family;
+ uint32_t raw_device_number;
+};
+
+static union {
+ struct socinfo_v0_1 v0_1;
+ struct socinfo_v0_2 v0_2;
+ struct socinfo_v0_3 v0_3;
+ struct socinfo_v0_4 v0_4;
+ struct socinfo_v0_5 v0_5;
+ struct socinfo_v0_6 v0_6;
+ struct socinfo_v0_7 v0_7;
+ struct socinfo_v0_8 v0_8;
+ struct socinfo_v0_9 v0_9;
+ struct socinfo_v0_10 v0_10;
+ struct socinfo_v0_11 v0_11;
+ struct socinfo_v0_12 v0_12;
+} *socinfo;
+
+/* max socinfo format version supported */
+#define MAX_SOCINFO_FORMAT SOCINFO_VERSION(0, 12)
+
+static struct qcom_soc_info cpu_of_id[] = {
+
+ [MSM_UNKNOWN_ID] = {MSM_CPU_UNKNOWN, "Unknown CPU"},
+
+ /* 8x60 IDs */
+ [MSM_8960_ID] = {MSM_CPU_8960, "MSM8960"},
+
+ /* 8x64 IDs */
+ [APQ_8064_ID] = {MSM_CPU_8064, "APQ8064"},
+ [MPQ_8064_ID] = {MSM_CPU_8064, "MPQ8064"},
+
+ /* 8x60A IDs */
+ [MSM_8660A_ID] = {MSM_CPU_8960, "MSM8660A"},
+ [MSM_8260A_ID] = {MSM_CPU_8960, "MSM8260A"},
+ [APQ_8060A_ID] = {MSM_CPU_8960, "APQ8060A"},
+
+ /* 8x74 IDs */
+ [MSM_8974_ID] = {MSM_CPU_8974, "MSM8974"},
+ [APQ_8074_ID] = {MSM_CPU_8974, "APQ8074"},
+ [MSM_8274_ID] = {MSM_CPU_8974, "MSM8274"},
+ [MSM_8674_ID] = {MSM_CPU_8974, "MSM8674"},
+
+ /* 8x74AA IDs */
+ [APQ_8074_AA_ID] = {MSM_CPU_8974PRO_AA, "APQ8074-AA"},
+ [MSM_8274_AA_ID] = {MSM_CPU_8974PRO_AA, "MSM8274-AA"},
+ [MSM_8674_AA_ID] = {MSM_CPU_8974PRO_AA, "MSM8674-AA"},
+ [MSM_8974_AA_ID] = {MSM_CPU_8974PRO_AA, "MSM8974-AA"},
+
+ /* 8x74AB IDs */
+ [APQ_8074_AB_ID] = {MSM_CPU_8974PRO_AB, "APQ8074-AB"},
+ [MSM_8274_AB_ID] = {MSM_CPU_8974PRO_AB, "MSM8274-AB"},
+ [MSM_8674_AB_ID] = {MSM_CPU_8974PRO_AB, "MSM8674-AB"},
+ [MSM_8974_AB_ID] = {MSM_CPU_8974PRO_AB, "MSM8974-AB"},
+
+ /* 8x74AC IDs */
+ [MSM_8974PRO_ID] = {MSM_CPU_8974PRO_AC, "MSM8974PRO"},
+ [APQ_8074PRO_ID] = {MSM_CPU_8974PRO_AC, "APQ8074PRO"},
+ [MSM_8274PRO_ID] = {MSM_CPU_8974PRO_AC, "MSM8274PRO"},
+ [MSM_8674PRO_ID] = {MSM_CPU_8974PRO_AC, "MSM8674PRO"},
+
+ /* 8x60AB IDs */
+ [MSM_8960AB_ID] = {MSM_CPU_8960AB, "MSM8960AB"},
+ [APQ_8060AB_ID] = {MSM_CPU_8960AB, "APQ8060AB"},
+ [MSM_8260AB_ID] = {MSM_CPU_8960AB, "MSM8260AB"},
+ [MSM_8660AB_ID] = {MSM_CPU_8960AB, "MSM8660AB"},
+
+ /* 8x84 IDs */
+ [APQ_8084_ID] = {MSM_CPU_8084, "APQ8084"},
+
+ /* 8x16 IDs */
+ [MSM_8916_ID] = {MSM_CPU_8916, "MSM8916"},
+ [APQ_8016_ID] = {MSM_CPU_8916, "APQ8016"},
+ [MSM_8216_ID] = {MSM_CPU_8916, "MSM8216"},
+ [MSM_8116_ID] = {MSM_CPU_8916, "MSM8116"},
+ [MSM_8616_ID] = {MSM_CPU_8916, "MSM8616"},
+
+ /* 8x96 IDs */
+ [MSM_8996_ID] = {MSM_CPU_8996, "MSM8996"},
+ [MSM_8996AU_ID] = {MSM_CPU_8996, "MSM8996AU"},
+ [APQ_8096AU_ID] = {MSM_CPU_8996, "APQ8096AU"},
+ [APQ8096_ID] = {MSM_CPU_8996, "APQ8096"},
+ [MSM_8996SG_ID] = {MSM_CPU_8996, "MSM8996SG"},
+ [APQ_8096SG_ID] = {MSM_CPU_8996, "APQ8096SG"},
+
+ /*
+ * 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 qcom_cpu cur_cpu;
+static int current_image;
+static uint32_t socinfo_format;
+
+static struct socinfo_v0_1 dummy_socinfo = {
+ .format = SOCINFO_VERSION(0, 1),
+ .version = 1,
+};
+
+static char *socinfo_get_id_string(void)
+{
+ return (socinfo) ? cpu_of_id[socinfo->v0_1.id].soc_id_string : NULL;
+}
+
+static uint32_t socinfo_get_accessory_chip(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 5) ?
+ socinfo->v0_5.accessory_chip : 0)
+ : 0;
+}
+
+static uint32_t socinfo_get_foundry_id(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 9) ?
+ socinfo->v0_9.foundry_id : 0)
+ : 0;
+}
+
+static uint32_t socinfo_get_chip_family(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 12) ?
+ socinfo->v0_12.chip_family : 0)
+ : 0;
+}
+
+static uint32_t socinfo_get_raw_device_family(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 12) ?
+ socinfo->v0_12.raw_device_family : 0)
+ : 0;
+}
+
+static uint32_t socinfo_get_raw_device_number(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 12) ?
+ socinfo->v0_12.raw_device_number : 0)
+ : 0;
+}
+
+static char *socinfo_get_image_version_base_address(struct device *dev)
+{
+ size_t size, size_in;
+ void *ptr;
+
+ ptr = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_IMAGE_VERSION_TABLE,
+ &size);
+ if (!ptr)
+ return 0;
+
+ size_in = ALIGN(SMEM_IMAGE_VERSION_SIZE, SMEM_ITEM_SIZE_ALIGN);
+ if (size_in != size) {
+ dev_err(dev, "Wrong size for smem item\n");
+ return 0;
+ }
+
+ return ptr;
+}
+
+uint32_t socinfo_get_id(void)
+{
+ return (socinfo) ? socinfo->v0_1.id : 0;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_id);
+
+uint32_t socinfo_get_version(void)
+{
+ return (socinfo) ? socinfo->v0_1.version : 0;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_version);
+
+char *socinfo_get_build_id(void)
+{
+ return (socinfo) ? socinfo->v0_1.build_id : NULL;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_build_id);
+
+uint32_t socinfo_get_raw_id(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 2) ?
+ socinfo->v0_2.raw_id : 0)
+ : 0;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_raw_id);
+
+uint32_t socinfo_get_raw_version(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 2) ?
+ socinfo->v0_2.raw_version : 0)
+ : 0;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_raw_version);
+
+uint32_t socinfo_get_platform_type(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 3) ?
+ socinfo->v0_3.hw_platform : 0)
+ : 0;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_platform_type);
+
+uint32_t socinfo_get_platform_version(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 4) ?
+ socinfo->v0_4.platform_version : 0)
+ : 0;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_platform_version);
+
+uint32_t socinfo_get_platform_subtype(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 6) ?
+ socinfo->v0_6.hw_platform_subtype : 0)
+ : 0;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_platform_subtype);
+
+uint32_t socinfo_get_serial_number(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 10) ?
+ socinfo->v0_10.serial_number : 0)
+ : 0;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_serial_number);
+
+enum qcom_pmic_model socinfo_get_pmic_model(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 7) ?
+ socinfo->v0_7.pmic_model : PMIC_MODEL_UNKNOWN)
+ : PMIC_MODEL_UNKNOWN;
+}
+
+uint32_t socinfo_get_pmic_die_revision(void)
+{
+ return socinfo ?
+ (socinfo_format >= SOCINFO_VERSION(0, 7) ?
+ socinfo->v0_7.pmic_die_revision : 0)
+ : 0;
+}
+
+enum qcom_cpu socinfo_get_qcom_cpu(void)
+{
+ return cur_cpu;
+}
+EXPORT_SYMBOL_GPL(socinfo_get_qcom_cpu);
+
+/* socinfo: sysfs functions */
+
+static ssize_t
+qcom_get_vendor(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "Qualcomm\n");
+}
+
+static ssize_t
+qcom_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
+qcom_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
+qcom_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
+qcom_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
+qcom_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
+qcom_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
+qcom_get_platform_subtype(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ uint32_t hw_subtype;
+
+ hw_subtype = socinfo_get_platform_subtype();
+ if (socinfo_get_platform_type() == HW_PLATFORM_QRD) {
+ if (hw_subtype >= PLATFORM_SUBTYPE_QRD_INVALID) {
+ pr_err("Invalid hardware platform sub type for qrd found\n");
+ hw_subtype = PLATFORM_SUBTYPE_QRD_INVALID;
+ }
+ return snprintf(buf, PAGE_SIZE, "%-.32s\n",
+ qrd_hw_platform_subtype[hw_subtype]);
+ } else {
+ if (hw_subtype >= PLATFORM_SUBTYPE_INVALID) {
+ pr_err("Invalid hardware platform subtype\n");
+ hw_subtype = PLATFORM_SUBTYPE_INVALID;
+ }
+ return snprintf(buf, PAGE_SIZE, "%-.32s\n",
+ hw_platform_subtype[hw_subtype]);
+ }
+}
+
+static ssize_t
+qcom_get_platform_subtype_id(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ uint32_t hw_subtype;
+
+ hw_subtype = socinfo_get_platform_subtype();
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ hw_subtype);
+}
+
+static ssize_t
+qcom_get_foundry_id(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ socinfo_get_foundry_id());
+}
+
+static ssize_t
+qcom_get_serial_number(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ socinfo_get_serial_number());
+}
+
+static ssize_t
+qcom_get_chip_family(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%x\n",
+ socinfo_get_chip_family());
+}
+
+static ssize_t
+qcom_get_raw_device_family(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%x\n",
+ socinfo_get_raw_device_family());
+}
+
+static ssize_t
+qcom_get_raw_device_number(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%x\n",
+ socinfo_get_raw_device_number());
+}
+
+static ssize_t
+qcom_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
+qcom_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 ssize_t
+qcom_get_image_version(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ char *string_address;
+
+ string_address = socinfo_get_image_version_base_address(dev);
+ if (IS_ERR_OR_NULL(string_address)) {
+ pr_err("Failed to get image version base address");
+ return snprintf(buf, SMEM_IMAGE_VERSION_NAME_SIZE, "Unknown");
+ }
+ string_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
+ return snprintf(buf, SMEM_IMAGE_VERSION_NAME_SIZE, "%-.75s\n",
+ string_address);
+}
+
+static ssize_t
+qcom_set_image_version(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ char *store_address;
+
+ if (current_image != SMEM_IMAGE_VERSION_PARTITION_APPS)
+ return count;
+ store_address = socinfo_get_image_version_base_address(dev);
+ if (IS_ERR_OR_NULL(store_address)) {
+ pr_err("Failed to get image version base address");
+ return count;
+ }
+ store_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
+ snprintf(store_address, SMEM_IMAGE_VERSION_NAME_SIZE, "%-.75s", buf);
+ return count;
+}
+
+static ssize_t
+qcom_get_image_variant(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ char *string_address;
+
+ string_address = socinfo_get_image_version_base_address(dev);
+ if (IS_ERR_OR_NULL(string_address)) {
+ pr_err("Failed to get image version base address");
+ return snprintf(buf, SMEM_IMAGE_VERSION_VARIANT_SIZE,
+ "Unknown");
+ }
+ string_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
+ string_address += SMEM_IMAGE_VERSION_VARIANT_OFFSET;
+ return snprintf(buf, SMEM_IMAGE_VERSION_VARIANT_SIZE, "%-.20s\n",
+ string_address);
+}
+
+static ssize_t
+qcom_set_image_variant(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ char *store_address;
+
+ if (current_image != SMEM_IMAGE_VERSION_PARTITION_APPS)
+ return count;
+ store_address = socinfo_get_image_version_base_address(dev);
+ if (IS_ERR_OR_NULL(store_address)) {
+ pr_err("Failed to get image version base address");
+ return count;
+ }
+ store_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
+ store_address += SMEM_IMAGE_VERSION_VARIANT_OFFSET;
+ snprintf(store_address, SMEM_IMAGE_VERSION_VARIANT_SIZE, "%-.20s", buf);
+ return count;
+}
+
+static ssize_t
+qcom_get_image_crm_version(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ char *string_address;
+
+ string_address = socinfo_get_image_version_base_address(dev);
+ if (IS_ERR_OR_NULL(string_address)) {
+ pr_err("Failed to get image version base address");
+ return snprintf(buf, SMEM_IMAGE_VERSION_OEM_SIZE, "Unknown");
+ }
+ string_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
+ string_address += SMEM_IMAGE_VERSION_OEM_OFFSET;
+ return snprintf(buf, SMEM_IMAGE_VERSION_OEM_SIZE, "%-.32s\n",
+ string_address);
+}
+
+static ssize_t
+qcom_set_image_crm_version(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ char *store_address;
+
+ if (current_image != SMEM_IMAGE_VERSION_PARTITION_APPS)
+ return count;
+ store_address = socinfo_get_image_version_base_address(dev);
+ if (IS_ERR_OR_NULL(store_address)) {
+ pr_err("Failed to get image version base address");
+ return count;
+ }
+ store_address += current_image * SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
+ store_address += SMEM_IMAGE_VERSION_OEM_OFFSET;
+ snprintf(store_address, SMEM_IMAGE_VERSION_OEM_SIZE, "%-.32s", buf);
+ return count;
+}
+
+static ssize_t
+qcom_get_image_number(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ current_image);
+}
+
+static ssize_t
+qcom_select_image(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int ret, digit;
+
+ ret = kstrtoint(buf, 10, &digit);
+ if (ret)
+ return ret;
+ if (digit >= 0 && digit < SMEM_IMAGE_VERSION_BLOCKS_COUNT)
+ current_image = digit;
+ else
+ current_image = 0;
+ return count;
+}
+
+static ssize_t
+qcom_get_images(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int pos = 0;
+ int image;
+ char *image_address;
+
+ image_address = socinfo_get_image_version_base_address(dev);
+ if (IS_ERR_OR_NULL(image_address))
+ return snprintf(buf, PAGE_SIZE, "Unavailable\n");
+
+ *buf = '\0';
+ for (image = 0; image < SMEM_IMAGE_VERSION_BLOCKS_COUNT; image++) {
+ if (*image_address == '\0') {
+ image_address += SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
+ continue;
+ }
+
+ pos += snprintf(buf + pos, PAGE_SIZE - pos, "%d:\n",
+ image);
+ pos += snprintf(buf + pos, PAGE_SIZE - pos,
+ "\tCRM:\t\t%-.75s\n", image_address);
+ pos += snprintf(buf + pos, PAGE_SIZE - pos,
+ "\tVariant:\t%-.20s\n", image_address +
+ SMEM_IMAGE_VERSION_VARIANT_OFFSET);
+ pos += snprintf(buf + pos, PAGE_SIZE - pos,
+ "\tVersion:\t%-.32s\n\n",
+ image_address + SMEM_IMAGE_VERSION_OEM_OFFSET);
+
+ image_address += SMEM_IMAGE_VERSION_SINGLE_BLOCK_SIZE;
+ }
+
+ return pos;
+}
+
+static struct device_attribute qcom_soc_attr_raw_version =
+ __ATTR(raw_version, S_IRUGO, qcom_get_raw_version, NULL);
+
+static struct device_attribute qcom_soc_attr_raw_id =
+ __ATTR(raw_id, S_IRUGO, qcom_get_raw_id, NULL);
+
+static struct device_attribute qcom_soc_attr_vendor =
+ __ATTR(vendor, S_IRUGO, qcom_get_vendor, NULL);
+
+static struct device_attribute qcom_soc_attr_build_id =
+ __ATTR(build_id, S_IRUGO, qcom_get_build_id, NULL);
+
+static struct device_attribute qcom_soc_attr_hw_platform =
+ __ATTR(hw_platform, S_IRUGO, qcom_get_hw_platform, NULL);
+
+
+static struct device_attribute qcom_soc_attr_platform_version =
+ __ATTR(platform_version, S_IRUGO,
+ qcom_get_platform_version, NULL);
+
+static struct device_attribute qcom_soc_attr_accessory_chip =
+ __ATTR(accessory_chip, S_IRUGO,
+ qcom_get_accessory_chip, NULL);
+
+static struct device_attribute qcom_soc_attr_platform_subtype =
+ __ATTR(platform_subtype, S_IRUGO,
+ qcom_get_platform_subtype, NULL);
+
+/* Platform Subtype String is being deprecated. Use Platform
+ * Subtype ID instead.
+ */
+static struct device_attribute qcom_soc_attr_platform_subtype_id =
+ __ATTR(platform_subtype_id, S_IRUGO,
+ qcom_get_platform_subtype_id, NULL);
+
+static struct device_attribute qcom_soc_attr_foundry_id =
+ __ATTR(foundry_id, S_IRUGO,
+ qcom_get_foundry_id, NULL);
+
+static struct device_attribute qcom_soc_attr_serial_number =
+ __ATTR(serial_number, S_IRUGO,
+ qcom_get_serial_number, NULL);
+
+static struct device_attribute qcom_soc_attr_chip_family =
+ __ATTR(chip_family, S_IRUGO,
+ qcom_get_chip_family, NULL);
+
+static struct device_attribute qcom_soc_attr_raw_device_family =
+ __ATTR(raw_device_family, S_IRUGO,
+ qcom_get_raw_device_family, NULL);
+
+static struct device_attribute qcom_soc_attr_raw_device_number =
+ __ATTR(raw_device_number, S_IRUGO,
+ qcom_get_raw_device_number, NULL);
+
+static struct device_attribute qcom_soc_attr_pmic_model =
+ __ATTR(pmic_model, S_IRUGO,
+ qcom_get_pmic_model, NULL);
+
+static struct device_attribute qcom_soc_attr_pmic_die_revision =
+ __ATTR(pmic_die_revision, S_IRUGO,
+ qcom_get_pmic_die_revision, NULL);
+
+static struct device_attribute image_version =
+ __ATTR(image_version, S_IRUGO | S_IWUSR,
+ qcom_get_image_version, qcom_set_image_version);
+
+static struct device_attribute image_variant =
+ __ATTR(image_variant, S_IRUGO | S_IWUSR,
+ qcom_get_image_variant, qcom_set_image_variant);
+
+static struct device_attribute image_crm_version =
+ __ATTR(image_crm_version, S_IRUGO | S_IWUSR,
+ qcom_get_image_crm_version, qcom_set_image_crm_version);
+
+static struct device_attribute select_image =
+ __ATTR(select_image, S_IRUGO | S_IWUSR,
+ qcom_get_image_number, qcom_select_image);
+
+static struct device_attribute images =
+ __ATTR(images, S_IRUGO, qcom_get_images, NULL);
+
+static void * __init setup_dummy_socinfo(void)
+{
+ if (early_machine_is_apq8064()) {
+ dummy_socinfo.id = APQ_8064_ID;
+ strlcpy(dummy_socinfo.build_id, "apq8064",
+ sizeof(dummy_socinfo.build_id));
+ } else if (early_machine_is_apq8084()) {
+ dummy_socinfo.id = APQ_8084_ID;
+ strlcpy(dummy_socinfo.build_id, "apq8084",
+ sizeof(dummy_socinfo.build_id));
+ } else if (early_machine_is_msm8916()) {
+ dummy_socinfo.id = MSM_8916_ID;
+ strlcpy(dummy_socinfo.build_id, "msm8916",
+ sizeof(dummy_socinfo.build_id));
+ } else if (early_machine_is_msm8660()) {
+ dummy_socinfo.id = MSM_8660A_ID;
+ strlcpy(dummy_socinfo.build_id, "msm8660",
+ sizeof(dummy_socinfo.build_id));
+ } else if (early_machine_is_msm8960()) {
+ dummy_socinfo.id = MSM_8960_ID;
+ strlcpy(dummy_socinfo.build_id, "msm8960",
+ sizeof(dummy_socinfo.build_id));
+ } else if (early_machine_is_msm8974()) {
+ dummy_socinfo.id = MSM_8974_ID;
+ strlcpy(dummy_socinfo.build_id, "msm8974",
+ sizeof(dummy_socinfo.build_id));
+ } else if (early_machine_is_msm8996()) {
+ dummy_socinfo.id = MSM_8996_ID;
+ strlcpy(dummy_socinfo.build_id, "msm8996",
+ sizeof(dummy_socinfo.build_id));
+ }
+
+ strlcat(dummy_socinfo.build_id, "Dummy socinfo",
+ sizeof(dummy_socinfo.build_id));
+ return (void *) &dummy_socinfo;
+}
+
+static void socinfo_populate_sysfs_files(struct device *qcom_soc_device)
+{
+ device_create_file(qcom_soc_device, &qcom_soc_attr_vendor);
+ device_create_file(qcom_soc_device, &image_version);
+ device_create_file(qcom_soc_device, &image_variant);
+ device_create_file(qcom_soc_device, &image_crm_version);
+ device_create_file(qcom_soc_device, &select_image);
+ device_create_file(qcom_soc_device, &images);
+
+ switch (socinfo_format) {
+ case SOCINFO_VERSION(0, 12):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_chip_family);
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_raw_device_family);
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_raw_device_number);
+ case SOCINFO_VERSION(0, 11):
+ case SOCINFO_VERSION(0, 10):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_serial_number);
+ case SOCINFO_VERSION(0, 9):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_foundry_id);
+ case SOCINFO_VERSION(0, 8):
+ case SOCINFO_VERSION(0, 7):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_pmic_model);
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_pmic_die_revision);
+ case SOCINFO_VERSION(0, 6):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_platform_subtype);
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_platform_subtype_id);
+ case SOCINFO_VERSION(0, 5):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_accessory_chip);
+ case SOCINFO_VERSION(0, 4):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_platform_version);
+ case SOCINFO_VERSION(0, 3):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_hw_platform);
+ case SOCINFO_VERSION(0, 2):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_raw_id);
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_raw_version);
+ case SOCINFO_VERSION(0, 1):
+ device_create_file(qcom_soc_device,
+ &qcom_soc_attr_build_id);
+ break;
+ default:
+ pr_err("Unknown socinfo format: v%u.%u\n",
+ SOCINFO_VERSION_MAJOR(socinfo_format),
+ SOCINFO_VERSION_MINOR(socinfo_format));
+ break;
+ }
+}
+
+static void socinfo_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->family = "Snapdragon";
+ soc_dev_attr->machine = socinfo_get_id_string();
+ soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u.%u",
+ SOCINFO_VERSION_MAJOR(soc_version),
+ SOCINFO_VERSION_MINOR(soc_version));
+ return;
+
+}
+
+static int socinfo_init_sysfs(void)
+{
+ struct device *qcom_soc_device;
+ struct soc_device *soc_dev;
+ struct soc_device_attribute *soc_dev_attr;
+
+ soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr) {
+ pr_err("Soc Device alloc failed!\n");
+ return -ENOMEM;
+ }
+
+ socinfo_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("Soc device register failed\n");
+ return -EIO;
+ }
+
+ qcom_soc_device = soc_device_to_device(soc_dev);
+ socinfo_populate_sysfs_files(qcom_soc_device);
+ return 0;
+}
+
+static void socinfo_print(void)
+{
+ uint32_t f_maj = SOCINFO_VERSION_MAJOR(socinfo_format);
+ uint32_t f_min = SOCINFO_VERSION_MINOR(socinfo_format);
+ uint32_t v_maj = SOCINFO_VERSION_MAJOR(socinfo->v0_1.version);
+ uint32_t v_min = SOCINFO_VERSION_MINOR(socinfo->v0_1.version);
+
+ switch (socinfo_format) {
+ case SOCINFO_VERSION(0, 1):
+ pr_info("v%u.%u, id=%u, ver=%u.%u\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min);
+ break;
+ case SOCINFO_VERSION(0, 2):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,
+ socinfo->v0_2.raw_id, socinfo->v0_2.raw_version);
+ break;
+ case SOCINFO_VERSION(0, 3):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u\n",
+ f_maj, f_min, socinfo->v0_1.id,
+ v_maj, v_min, socinfo->v0_2.raw_id,
+ socinfo->v0_2.raw_version, socinfo->v0_3.hw_platform);
+ break;
+ case SOCINFO_VERSION(0, 4):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,
+ socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,
+ socinfo->v0_3.hw_platform,
+ socinfo->v0_4.platform_version);
+ break;
+ case SOCINFO_VERSION(0, 5):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u accessory_chip=%u\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,
+ socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,
+ socinfo->v0_3.hw_platform,
+ socinfo->v0_4.platform_version,
+ socinfo->v0_5.accessory_chip);
+ break;
+ case SOCINFO_VERSION(0, 6):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u accessory_chip=%u, hw_plat_subtype=%u\n",
+ f_maj, f_min, socinfo->v0_1.id,
+ v_maj, v_min, socinfo->v0_2.raw_id,
+ socinfo->v0_2.raw_version,
+ socinfo->v0_3.hw_platform,
+ socinfo->v0_4.platform_version,
+ socinfo->v0_5.accessory_chip,
+ socinfo->v0_6.hw_platform_subtype);
+ break;
+ case SOCINFO_VERSION(0, 7):
+ case SOCINFO_VERSION(0, 8):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,
+ socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,
+ socinfo->v0_3.hw_platform,
+ socinfo->v0_4.platform_version,
+ socinfo->v0_5.accessory_chip,
+ socinfo->v0_6.hw_platform_subtype,
+ socinfo->v0_7.pmic_model,
+ socinfo->v0_7.pmic_die_revision);
+ break;
+ case SOCINFO_VERSION(0, 9):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u foundry_id=%u\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,
+ socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,
+ socinfo->v0_3.hw_platform,
+ socinfo->v0_4.platform_version,
+ socinfo->v0_5.accessory_chip,
+ socinfo->v0_6.hw_platform_subtype,
+ socinfo->v0_7.pmic_model,
+ socinfo->v0_7.pmic_die_revision,
+ socinfo->v0_9.foundry_id);
+ break;
+ case SOCINFO_VERSION(0, 10):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u, foundry_id=%u, serial_number=%u\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,
+ socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,
+ socinfo->v0_3.hw_platform,
+ socinfo->v0_4.platform_version,
+ socinfo->v0_5.accessory_chip,
+ socinfo->v0_6.hw_platform_subtype,
+ socinfo->v0_7.pmic_model,
+ socinfo->v0_7.pmic_die_revision,
+ socinfo->v0_9.foundry_id,
+ socinfo->v0_10.serial_number);
+ break;
+ case SOCINFO_VERSION(0, 11):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u, accessory_chip=%u, hw_plat_subtype=%u, pmic_model=%u, pmic_die_revision=%u, foundry_id=%u, serial_number=%u num_pmics=%u\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,
+ socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,
+ socinfo->v0_3.hw_platform,
+ socinfo->v0_4.platform_version,
+ socinfo->v0_5.accessory_chip,
+ socinfo->v0_6.hw_platform_subtype,
+ socinfo->v0_7.pmic_model,
+ socinfo->v0_7.pmic_die_revision,
+ socinfo->v0_9.foundry_id,
+ socinfo->v0_10.serial_number,
+ socinfo->v0_11.num_pmics);
+ break;
+ case SOCINFO_VERSION(0, 12):
+ pr_info("v%u.%u, id=%u, ver=%u.%u, raw_id=%u, raw_ver=%u, hw_plat=%u, hw_plat_ver=%u 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\n",
+ f_maj, f_min, socinfo->v0_1.id, v_maj, v_min,
+ socinfo->v0_2.raw_id, socinfo->v0_2.raw_version,
+ socinfo->v0_3.hw_platform,
+ socinfo->v0_4.platform_version,
+ socinfo->v0_5.accessory_chip,
+ socinfo->v0_6.hw_platform_subtype,
+ socinfo->v0_7.pmic_model,
+ socinfo->v0_7.pmic_die_revision,
+ socinfo->v0_9.foundry_id,
+ socinfo->v0_10.serial_number,
+ socinfo->v0_11.num_pmics,
+ socinfo->v0_12.chip_family,
+ socinfo->v0_12.raw_device_family,
+ socinfo->v0_12.raw_device_number);
+ break;
+
+ default:
+ pr_err("Unknown format found: v%u.%u\n", f_maj, f_min);
+ break;
+ }
+}
+
+static void socinfo_select_format(void)
+{
+ uint32_t f_maj = SOCINFO_VERSION_MAJOR(socinfo->v0_1.format);
+ uint32_t f_min = SOCINFO_VERSION_MINOR(socinfo->v0_1.format);
+
+ if (f_maj != 0) {
+ pr_err("Unsupported format v%u.%u. Falling back to dummy values.\n",
+ f_maj, f_min);
+ socinfo = setup_dummy_socinfo();
+ }
+
+ if (socinfo->v0_1.format > MAX_SOCINFO_FORMAT) {
+ pr_warn("Unsupported format v%u.%u. Falling back to v%u.%u.\n",
+ f_maj, f_min, SOCINFO_VERSION_MAJOR(MAX_SOCINFO_FORMAT),
+ SOCINFO_VERSION_MINOR(MAX_SOCINFO_FORMAT));
+ socinfo_format = MAX_SOCINFO_FORMAT;
+ } else {
+ socinfo_format = socinfo->v0_1.format;
+ }
+}
+
+static int qcom_socinfo_probe(struct platform_device *pdev)
+{
+ size_t size;
+
+ socinfo = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID,
+ &size);
+ if (IS_ERR_OR_NULL(socinfo)) {
+ if (PTR_ERR(socinfo) == -EPROBE_DEFER)
+ return PTR_ERR(socinfo);
+ else {
+ dev_warn(&pdev->dev,
+ "Can't find SMEM_HW_SW_BUILD_ID; falling back on dummy values.\n");
+ socinfo = setup_dummy_socinfo();
+ }
+ }
+
+ socinfo_select_format();
+
+ WARN(!socinfo_get_id(), "Unknown SOC ID!\n");
+
+ if (socinfo_get_id() >= ARRAY_SIZE(cpu_of_id))
+ BUG_ON("New IDs added! ID => CPU mapping needs an update.\n");
+ else
+ cur_cpu = cpu_of_id[socinfo->v0_1.id].generic_soc_type;
+
+ socinfo_print();
+
+ socinfo_init_sysfs();
+
+ return 0;
+}
+
+static const struct of_device_id qcom_socinfo_of_match[] = {
+ { .compatible = "qcom,socinfo" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, qcom_socinfo_of_match);
+
+static struct platform_driver qcom_socinfo_driver = {
+ .probe = qcom_socinfo_probe,
+ .driver = {
+ .name = "qcom-socinfo",
+ .of_match_table = qcom_socinfo_of_match,
+ },
+};
+module_platform_driver(qcom_socinfo_driver);
+
diff --git a/include/linux/soc/qcom/socinfo.h b/include/linux/soc/qcom/socinfo.h
new file mode 100644
index 0000000..17ca50a
--- /dev/null
+++ b/include/linux/soc/qcom/socinfo.h
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2009-2016, 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.
+ *
+ */
+
+#ifndef _ARCH_ARM_MACH_MSM_SOCINFO_H_
+#define _ARCH_ARM_MACH_MSM_SOCINFO_H_
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/of_fdt.h>
+#include <linux/of.h>
+
+#include <asm/cputype.h>
+/*
+ * SOC version type with major number in the upper 16 bits and minor
+ * number in the lower 16 bits. For example:
+ * 1.0 -> 0x00010000
+ * 2.3 -> 0x00020003
+ */
+#define SOCINFO_VERSION_MAJOR(ver) (((ver) & 0xffff0000) >> 16)
+#define SOCINFO_VERSION_MINOR(ver) ((ver) & 0x0000ffff)
+#define SOCINFO_VERSION(maj, min) ((((maj) & 0xffff) << 16)|((min) & 0xffff))
+
+#ifdef CONFIG_OF
+#define early_machine_is_apq8064() \
+ of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,apq8064")
+#define early_machine_is_apq8084() \
+ of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,apq8084")
+#define early_machine_is_msm8916() \
+ of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msm8916")
+#define early_machine_is_msm8660() \
+ of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msm8660")
+#define early_machine_is_msm8960() \
+ of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msm8960")
+#define early_machine_is_msm8974() \
+ of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msm8974")
+#define early_machine_is_msm8996() \
+ of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msm8996")
+#else
+#define early_machine_is_apq8064() 0
+#define early_machine_is_apq8084() 0
+#define early_machine_is_msm8916() 0
+#define early_machine_is_msm8660() 0
+#define early_machine_is_msm8960() 0
+#define early_machine_is_msm8974() 0
+#define early_machine_is_msm8996() 0
+#endif
+
+#define PLATFORM_SUBTYPE_MDM 1
+#define PLATFORM_SUBTYPE_INTERPOSERV3 2
+#define PLATFORM_SUBTYPE_SGLTE 6
+
+enum qcom_cpu {
+ MSM_CPU_UNKNOWN = 0,
+ MSM_CPU_8960,
+ MSM_CPU_8960AB,
+ MSM_CPU_8064,
+ MSM_CPU_8974,
+ MSM_CPU_8974PRO_AA,
+ MSM_CPU_8974PRO_AB,
+ MSM_CPU_8974PRO_AC,
+ MSM_CPU_8916,
+ MSM_CPU_8084,
+ MSM_CPU_8996
+};
+
+enum qcom_cpu_id {
+ MSM_UNKNOWN_ID,
+ MSM_8960_ID = 87,
+ APQ_8064_ID = 109,
+ MSM_8660A_ID = 122,
+ MSM_8260A_ID,
+ APQ_8060A_ID,
+ MSM_8974_ID = 126,
+ MPQ_8064_ID = 130,
+ MSM_8960AB_ID = 138,
+ APQ_8060AB_ID,
+ MSM_8260AB_ID,
+ MSM_8660AB_ID,
+ APQ_8084_ID = 178,
+ APQ_8074_ID = 184,
+ MSM_8274_ID,
+ MSM_8674_ID,
+ MSM_8974PRO_ID = 194,
+ MSM_8916_ID = 206,
+ APQ_8074_AA_ID = 208,
+ APQ_8074_AB_ID,
+ APQ_8074PRO_ID,
+ MSM_8274_AA_ID,
+ MSM_8274_AB_ID,
+ MSM_8274PRO_ID,
+ MSM_8674_AA_ID,
+ MSM_8674_AB_ID,
+ MSM_8674PRO_ID,
+ MSM_8974_AA_ID,
+ MSM_8974_AB_ID,
+ MSM_8996_ID = 246,
+ APQ_8016_ID,
+ MSM_8216_ID,
+ MSM_8116_ID,
+ MSM_8616_ID,
+ APQ8096_ID = 291,
+ MSM_8996SG_ID = 305,
+ MSM_8996AU_ID = 310,
+ APQ_8096AU_ID,
+ APQ_8096SG_ID
+};
+
+struct qcom_soc_info {
+ enum qcom_cpu generic_soc_type;
+ char *soc_id_string;
+};
+
+enum qcom_pmic_model {
+ PMIC_MODEL_PM8058 = 13,
+ PMIC_MODEL_PM8028,
+ PMIC_MODEL_PM8901,
+ PMIC_MODEL_PM8027,
+ PMIC_MODEL_ISL_9519,
+ PMIC_MODEL_PM8921,
+ PMIC_MODEL_PM8018,
+ PMIC_MODEL_PM8015,
+ PMIC_MODEL_PM8014,
+ PMIC_MODEL_PM8821,
+ PMIC_MODEL_PM8038,
+ PMIC_MODEL_PM8922,
+ PMIC_MODEL_PM8917,
+ PMIC_MODEL_UNKNOWN = 0xFFFFFFFF
+};
+
+enum hw_platform_type {
+ HW_PLATFORM_UNKNOWN,
+ HW_PLATFORM_SURF,
+ HW_PLATFORM_FFA,
+ HW_PLATFORM_FLUID,
+ HW_PLATFORM_SVLTE_FFA,
+ HW_PLATFORM_SVLTE_SURF,
+ HW_PLATFORM_MTP_MDM = 7,
+ HW_PLATFORM_MTP,
+ HW_PLATFORM_LIQUID,
+ /* Dragonboard platform id is assigned as 10 in CDT */
+ HW_PLATFORM_DRAGON,
+ HW_PLATFORM_QRD,
+ HW_PLATFORM_HRD = 13,
+ HW_PLATFORM_DTV,
+ HW_PLATFORM_RCM = 21,
+ HW_PLATFORM_STP = 23,
+ HW_PLATFORM_SBC,
+ HW_PLATFORM_INVALID
+};
+
+enum accessory_chip_type {
+ ACCESSORY_CHIP_UNKNOWN = 0,
+ ACCESSORY_CHIP_CHARM = 58
+};
+
+enum qrd_platform_subtype {
+ PLATFORM_SUBTYPE_QRD,
+ PLATFORM_SUBTYPE_SKUAA,
+ PLATFORM_SUBTYPE_SKUF,
+ PLATFORM_SUBTYPE_SKUAB,
+ PLATFORM_SUBTYPE_SKUG = 0x5,
+ PLATFORM_SUBTYPE_QRD_INVALID
+};
+
+enum platform_subtype {
+ PLATFORM_SUBTYPE_UNKNOWN,
+ PLATFORM_SUBTYPE_CHARM,
+ PLATFORM_SUBTYPE_STRANGE,
+ PLATFORM_SUBTYPE_STRANGE_2A,
+ PLATFORM_SUBTYPE_INVALID
+};
+
+enum msm_cpu socinfo_get_msm_cpu(void);
+uint32_t socinfo_get_id(void);
+uint32_t socinfo_get_version(void);
+uint32_t socinfo_get_raw_id(void);
+char *socinfo_get_build_id(void);
+uint32_t socinfo_get_platform_type(void);
+uint32_t socinfo_get_platform_subtype(void);
+uint32_t socinfo_get_platform_version(void);
+uint32_t socinfo_get_serial_number(void);
+enum qcom_pmic_model socinfo_get_pmic_model(void);
+uint32_t socinfo_get_pmic_die_revision(void);
+int __init socinfo_init(void) __must_check;
+
+#endif
--
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