// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2009-2017, The Linux Foundation. All rights reserved. * Copyright (c) 2017-2019, Linaro Ltd. #include <linux/debugfs.h>#include <linux/err.h>#include <linux/module.h>#include <linux/platform_device.h>#include <linux/random.h>#include <linux/slab.h>#include <linux/soc/qcom/smem.h>#include <linux/soc/qcom/socinfo.h>#include <linux/string.h>#include <linux/stringify.h>#include <linux/sys_soc.h>#include <linux/types.h>#include <linux/unaligned.h>#include <dt-bindings/arm/qcom,ids.h>/* Helper macros to create soc_id table */ #define qcom_board_id(id) QCOM_ID_ ## id, __stringify(id)#define qcom_board_id_named(id, name) QCOM_ID_ ## id, (name)#ifdef CONFIG_DEBUG_FS#define SMEM_IMAGE_VERSION_BLOCKS_COUNT 32#define SMEM_IMAGE_VERSION_SIZE 4096#define SMEM_IMAGE_VERSION_NAME_SIZE 75#define SMEM_IMAGE_VERSION_VARIANT_SIZE 20#define SMEM_IMAGE_VERSION_OEM_SIZE 32/* * SMEM Image table indices #define SMEM_IMAGE_TABLE_BOOT_INDEX 0#define SMEM_IMAGE_TABLE_TZ_INDEX 1#define SMEM_IMAGE_TABLE_RPM_INDEX 3#define SMEM_IMAGE_TABLE_APPSBL_INDEX 9#define SMEM_IMAGE_TABLE_APPS_INDEX 10#define SMEM_IMAGE_TABLE_MPSS_INDEX 11#define SMEM_IMAGE_TABLE_ADSP_INDEX 12#define SMEM_IMAGE_TABLE_CNSS_INDEX 13#define SMEM_IMAGE_TABLE_VIDEO_INDEX 14#define SMEM_IMAGE_TABLE_DSPS_INDEX 15#define SMEM_IMAGE_TABLE_CDSP_INDEX 16#define SMEM_IMAGE_TABLE_CDSP1_INDEX 19#define SMEM_IMAGE_TABLE_GPDSP_INDEX 20#define SMEM_IMAGE_TABLE_GPDSP1_INDEX 21#define SMEM_IMAGE_TABLE_TME_INDEX 28#define SMEM_IMAGE_VERSION_TABLE 469/* * SMEM Image table names static const char *const socinfo_image_names[] = {"adsp" ,"appsbl" ,"apps" ,"boot" ,"cnss" ,"mpss" ,"rpm" ,"tz" ,"video" ,"dsps" ,"cdsp" ,"cdsp1" ,"gpdsp" ,"gpdsp1" ,"tme" ,static const char *const pmic_models[] = {"Unknown PMIC model" ,"PM8941" ,"PM8841" ,"PM8019" ,"PM8226" ,"PM8110" ,"PMA8084" ,"PMI8962" ,"PMD9635" ,"PM8994" ,"PMI8994" ,"PM8916" ,"PM8004" ,"PM8909/PM8058" ,"PM8028" ,"PM8901" ,"PM8950/PM8027" ,"PMI8950/ISL9519" ,"PMK8001/PM8921" ,"PMI8996/PM8018" ,"PM8998/PM8015" ,"PMI8998/PM8014" ,"PM8821" ,"PM8038" ,"PM8005/PM8922" ,"PM8917/PM8937" ,"PM660L" ,"PM660" ,"PM8150" ,"PM8150L" ,"PM8150B" ,"PMK8002" ,"PM8009" ,"PMI632" ,"PM8150C" ,"PM6150" ,"SMB2351" ,"PM8008" ,"PM6125" ,"PM7250B" ,"PMK8350" ,"PM8350" ,"PM8350C" ,"PM8350B" ,"PMR735A" ,"PMR735B" ,"PM6350" ,"PM4125" ,"PM8450" ,"PM8010" ,"PM8550VS" ,"PM8550VE" ,"PM8550B" ,"PMR735D" ,"PM8550" ,"PMK8550" ,"PMM8650AU" ,"PMM8650AU_PSAIL" ,"PM7550" ,"PMC8380" ,"SMB2360" ,"PMIV0108" ,struct socinfo_params {struct smem_image_version {char name[SMEM_IMAGE_VERSION_NAME_SIZE];char variant[SMEM_IMAGE_VERSION_VARIANT_SIZE];char pad;char oem[SMEM_IMAGE_VERSION_OEM_SIZE];#endif /* CONFIG_DEBUG_FS */ struct qcom_socinfo {struct soc_device *soc_dev;struct soc_device_attribute attr;#ifdef CONFIG_DEBUG_FSstruct dentry *dbg_root;struct socinfo_params info;#endif /* CONFIG_DEBUG_FS */ struct soc_id {unsigned int id;const char *name;static const struct soc_id soc_id[] = {"MSM8974PRO-AC" ) },"APQ8074PRO-AA" ) },"APQ8074PRO-AB" ) },"APQ8074PRO-AC" ) },"MSM8274PRO-AA" ) },"MSM8274PRO-AB" ) },"MSM8274PRO-AC" ) },"MSM8674PRO-AA" ) },"MSM8674PRO-AB" ) },"MSM8674PRO-AC" ) },"MSM8974PRO-AA" ) },"MSM8974PRO-AB" ) },"SM8450" ) },"SM8450" ) },static const char *socinfo_machine(struct device *dev, unsigned int id)int idx;for (idx = 0; idx < ARRAY_SIZE(soc_id); idx++) {if (soc_id[idx].id == id)return soc_id[idx].name;return NULL;#ifdef CONFIG_DEBUG_FS#define QCOM_OPEN(name, _func) \static int qcom_open_## name(struct inode *inode, struct file *file) \return single_open(file, _func, inode->i_private); \static const struct file_operations qcom_ ## name## _ops = { \## name, \#define DEBUGFS_ADD(info, name) \## name## _ops)static int qcom_show_build_id(struct seq_file *seq, void *p)struct socinfo *socinfo = seq->private ;"%s\n" , socinfo->build_id);return 0;static int qcom_show_pmic_model(struct seq_file *seq, void *p)struct socinfo *socinfo = seq->private ;int model = SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_model));if (model < 0)return -EINVAL;if (model < ARRAY_SIZE(pmic_models) && pmic_models[model])"%s\n" , pmic_models[model]);else "unknown (%d)\n" , model);return 0;static int qcom_show_pmic_model_array(struct seq_file *seq, void *p)struct socinfo *socinfo = seq->private ;unsigned int num_pmics = le32_to_cpu(socinfo->num_pmics);unsigned int pmic_array_offset = le32_to_cpu(socinfo->pmic_array_offset);int i;void *ptr = socinfo;/* No need for bounds checking, it happened at socinfo_debugfs_init */ for (i = 0; i < num_pmics; i++) {unsigned int model = SOCINFO_MINOR(get_unaligned_le32(ptr + 2 * i * sizeof (u32)));unsigned int die_rev = get_unaligned_le32(ptr + (2 * i + 1) * sizeof (u32));if (model < ARRAY_SIZE(pmic_models) && pmic_models[model])"%s %u.%u\n" , pmic_models[model],else "unknown (%d)\n" , model);return 0;static int qcom_show_pmic_die_revision(struct seq_file *seq, void *p)struct socinfo *socinfo = seq->private ;"%u.%u\n" ,return 0;static int qcom_show_chip_id(struct seq_file *seq, void *p)struct socinfo *socinfo = seq->private ;"%s\n" , socinfo->chip_id);return 0;#define DEFINE_IMAGE_OPS(type) \static int show_image_## type(struct seq_file *seq, void *p) \struct smem_image_version *image_version = seq->private ; \if (image_version->type[0] != '\0' ) \"%s\n" , image_version->type); \return 0; \static int open_image_## type(struct inode *inode, struct file *file) \return single_open(file, show_image_## type, inode->i_private); \static const struct file_operations qcom_image_## type## _ops = { \## type, \static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,struct socinfo *info, size_t info_size)struct smem_image_version *versions;struct dentry *dentry;int i;unsigned int num_pmics;unsigned int pmic_array_offset;"qcom_socinfo" , NULL);"info_fmt" , 0444, qcom_socinfo->dbg_root,switch (qcom_socinfo->info.fmt) {case SOCINFO_VERSION(0, 19):"num_func_clusters" , 0444, qcom_socinfo->dbg_root,"boot_cluster" , 0444, qcom_socinfo->dbg_root,"boot_core" , 0444, qcom_socinfo->dbg_root,case SOCINFO_VERSION(0, 18):case SOCINFO_VERSION(0, 17):"oem_variant" , 0444, qcom_socinfo->dbg_root,case SOCINFO_VERSION(0, 16):"feature_code" , 0444, qcom_socinfo->dbg_root,"pcode" , 0444, qcom_socinfo->dbg_root,case SOCINFO_VERSION(0, 15):"nmodem_supported" , 0444, qcom_socinfo->dbg_root,case SOCINFO_VERSION(0, 14):);"num_clusters" , 0444, qcom_socinfo->dbg_root,"ncluster_array_offset" , 0444, qcom_socinfo->dbg_root,"num_subset_parts" , 0444, qcom_socinfo->dbg_root,"nsubset_parts_array_offset" , 0444, qcom_socinfo->dbg_root,case SOCINFO_VERSION(0, 13):"nproduct_id" , 0444, qcom_socinfo->dbg_root,case SOCINFO_VERSION(0, 12):"chip_family" , 0444, qcom_socinfo->dbg_root,"raw_device_family" , 0444,"raw_device_number" , 0444,case SOCINFO_VERSION(0, 11):if (pmic_array_offset + 2 * num_pmics * sizeof (u32) <= info_size)case SOCINFO_VERSION(0, 10):case SOCINFO_VERSION(0, 9):"foundry_id" , 0444, qcom_socinfo->dbg_root,case SOCINFO_VERSION(0, 8):case SOCINFO_VERSION(0, 7):case SOCINFO_VERSION(0, 6):"hardware_platform_subtype" , 0444,case SOCINFO_VERSION(0, 5):"accessory_chip" , 0444,case SOCINFO_VERSION(0, 4):"platform_version" , 0444,case SOCINFO_VERSION(0, 3):"hardware_platform" , 0444,case SOCINFO_VERSION(0, 2):"raw_version" , 0444, qcom_socinfo->dbg_root,case SOCINFO_VERSION(0, 1):break ;for (i = 0; i < ARRAY_SIZE(socinfo_image_names); i++) {if (!socinfo_image_names[i])continue ;"name" , 0444, dentry, &versions[i],"variant" , 0444, dentry, &versions[i],"oem" , 0444, dentry, &versions[i],static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo)#else static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,struct socinfo *info, size_t info_size)static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) { }#endif /* CONFIG_DEBUG_FS */ static int qcom_socinfo_probe(struct platform_device *pdev)struct qcom_socinfo *qs;struct socinfo *info;if (IS_ERR(info)) {"Couldn't find socinfo\n" );return PTR_ERR(info);sizeof (*qs), GFP_KERNEL);if (!qs)return -ENOMEM;"Snapdragon" ;"%u" ,"%u.%u" ,if (!qs->attr.soc_id || !qs->attr.revision)return -ENOMEM;if (offsetofend(struct socinfo, serial_num) <= item_size) {"%u" ,if (!qs->attr.serial_number)return -ENOMEM;if (IS_ERR(qs->soc_dev))return PTR_ERR(qs->soc_dev);/* Feed the soc specific unique data into entropy pool */ return 0;static void qcom_socinfo_remove(struct platform_device *pdev)struct qcom_socinfo *qs = platform_get_drvdata(pdev);static struct platform_driver qcom_socinfo_driver = {"qcom-socinfo" ,"Qualcomm SoCinfo driver" );"GPL v2" );"platform:qcom-socinfo" );
Messung V0.5 C=98 H=93 G=95
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