// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2009-2017, The Linux Foundation. All rights reserved. * Copyright (c) 2017-2019, Linaro Ltd. */ #include #include #include #include #include #include #include #include #include #include #include /* * SoC version type with major number in the upper 16 bits and minor * number in the lower 16 bits. */ #define SOCINFO_MAJOR(ver) (((ver) >> 16) & 0xffff) #define SOCINFO_MINOR(ver) ((ver) & 0xffff) #define SOCINFO_VERSION(maj, min) ((((maj) & 0xffff) << 16)|((min) & 0xffff)) #define SMEM_SOCINFO_BUILD_ID_LENGTH 32 #define SMEM_SOCINFO_CHIP_ID_LENGTH 32 /* * SMEM item id, used to acquire handles to respective * SMEM region. */ #define SMEM_HW_SW_BUILD_ID 137 #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_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_VERSION_TABLE 469 /* * SMEM Image table names */ static const char *const socinfo_image_names[] = { [SMEM_IMAGE_TABLE_ADSP_INDEX] = "adsp", [SMEM_IMAGE_TABLE_APPS_INDEX] = "apps", [SMEM_IMAGE_TABLE_BOOT_INDEX] = "boot", [SMEM_IMAGE_TABLE_CNSS_INDEX] = "cnss", [SMEM_IMAGE_TABLE_MPSS_INDEX] = "mpss", [SMEM_IMAGE_TABLE_RPM_INDEX] = "rpm", [SMEM_IMAGE_TABLE_TZ_INDEX] = "tz", [SMEM_IMAGE_TABLE_VIDEO_INDEX] = "video", }; static const char *const pmic_models[] = { [0] = "Unknown PMIC model", [1] = "PM8941", [2] = "PM8841", [3] = "PM8019", [4] = "PM8226", [5] = "PM8110", [6] = "PMA8084", [7] = "PMI8962", [8] = "PMD9635", [9] = "PM8994", [10] = "PMI8994", [11] = "PM8916", [12] = "PM8004", [13] = "PM8909/PM8058", [14] = "PM8028", [15] = "PM8901", [16] = "PM8950/PM8027", [17] = "PMI8950/ISL9519", [18] = "PMK8001/PM8921", [19] = "PMI8996/PM8018", [20] = "PM8998/PM8015", [21] = "PMI8998/PM8014", [22] = "PM8821", [23] = "PM8038", [24] = "PM8005/PM8922", [25] = "PM8917", [26] = "PM660L", [27] = "PM660", [30] = "PM8150", [31] = "PM8150L", [32] = "PM8150B", [33] = "PMK8002", [36] = "PM8009", }; #endif /* CONFIG_DEBUG_FS */ /* Socinfo SMEM item structure */ struct socinfo { __le32 fmt; __le32 id; __le32 ver; char build_id[SMEM_SOCINFO_BUILD_ID_LENGTH]; /* Version 2 */ __le32 raw_id; __le32 raw_ver; /* Version 3 */ __le32 hw_plat; /* Version 4 */ __le32 plat_ver; /* Version 5 */ __le32 accessory_chip; /* Version 6 */ __le32 hw_plat_subtype; /* Version 7 */ __le32 pmic_model; __le32 pmic_die_rev; /* Version 8 */ __le32 pmic_model_1; __le32 pmic_die_rev_1; __le32 pmic_model_2; __le32 pmic_die_rev_2; /* Version 9 */ __le32 foundry_id; /* Version 10 */ __le32 serial_num; /* Version 11 */ __le32 num_pmics; __le32 pmic_array_offset; /* Version 12 */ __le32 chip_family; __le32 raw_device_family; __le32 raw_device_num; /* Version 13 */ __le32 nproduct_id; char chip_id[SMEM_SOCINFO_CHIP_ID_LENGTH]; /* Version 14 */ __le32 num_clusters; __le32 ncluster_array_offset; __le32 num_defective_parts; __le32 ndefective_parts_array_offset; /* Version 15 */ __le32 nmodem_supported; }; #ifdef CONFIG_DEBUG_FS struct socinfo_params { u32 raw_device_family; u32 hw_plat_subtype; u32 accessory_chip; u32 raw_device_num; u32 chip_family; u32 foundry_id; u32 plat_ver; u32 raw_ver; u32 hw_plat; u32 fmt; u32 nproduct_id; u32 num_clusters; u32 ncluster_array_offset; u32 num_defective_parts; u32 ndefective_parts_array_offset; u32 nmodem_supported; }; 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_FS struct 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[] = { { 87, "MSM8960" }, { 109, "APQ8064" }, { 122, "MSM8660A" }, { 123, "MSM8260A" }, { 124, "APQ8060A" }, { 126, "MSM8974" }, { 130, "MPQ8064" }, { 138, "MSM8960AB" }, { 139, "APQ8060AB" }, { 140, "MSM8260AB" }, { 141, "MSM8660AB" }, { 145, "MSM8626" }, { 147, "MSM8610" }, { 153, "APQ8064AB" }, { 158, "MSM8226" }, { 159, "MSM8526" }, { 161, "MSM8110" }, { 162, "MSM8210" }, { 163, "MSM8810" }, { 164, "MSM8212" }, { 165, "MSM8612" }, { 166, "MSM8112" }, { 168, "MSM8225Q" }, { 169, "MSM8625Q" }, { 170, "MSM8125Q" }, { 172, "APQ8064AA" }, { 178, "APQ8084" }, { 184, "APQ8074" }, { 185, "MSM8274" }, { 186, "MSM8674" }, { 194, "MSM8974PRO" }, { 198, "MSM8126" }, { 199, "APQ8026" }, { 200, "MSM8926" }, { 205, "MSM8326" }, { 206, "MSM8916" }, { 207, "MSM8994" }, { 208, "APQ8074-AA" }, { 209, "APQ8074-AB" }, { 210, "APQ8074PRO" }, { 211, "MSM8274-AA" }, { 212, "MSM8274-AB" }, { 213, "MSM8274PRO" }, { 214, "MSM8674-AA" }, { 215, "MSM8674-AB" }, { 216, "MSM8674PRO" }, { 217, "MSM8974-AA" }, { 218, "MSM8974-AB" }, { 219, "APQ8028" }, { 220, "MSM8128" }, { 221, "MSM8228" }, { 222, "MSM8528" }, { 223, "MSM8628" }, { 224, "MSM8928" }, { 225, "MSM8510" }, { 226, "MSM8512" }, { 233, "MSM8936" }, { 239, "MSM8939" }, { 240, "APQ8036" }, { 241, "APQ8039" }, { 246, "MSM8996" }, { 247, "APQ8016" }, { 248, "MSM8216" }, { 249, "MSM8116" }, { 250, "MSM8616" }, { 251, "MSM8992" }, { 253, "APQ8094" }, { 290, "MDM9607" }, { 291, "APQ8096" }, { 292, "MSM8998" }, { 293, "MSM8953" }, { 296, "MDM8207" }, { 297, "MDM9207" }, { 298, "MDM9307" }, { 299, "MDM9628" }, { 304, "APQ8053" }, { 305, "MSM8996SG" }, { 310, "MSM8996AU" }, { 311, "APQ8096AU" }, { 312, "APQ8096SG" }, { 317, "SDM660" }, { 318, "SDM630" }, { 319, "APQ8098" }, { 321, "SDM845" }, { 322, "MDM9206" }, { 324, "SDA660" }, { 325, "SDM658" }, { 326, "SDA658" }, { 327, "SDA630" }, { 338, "SDM450" }, { 341, "SDA845" }, { 345, "SDM636" }, { 346, "SDA636" }, { 349, "SDM632" }, { 350, "SDA632" }, { 351, "SDA450" }, { 356, "SM8250" }, { 394, "SM6125" }, { 402, "IPQ6018" }, { 403, "IPQ6028" }, { 421, "IPQ6000" }, { 422, "IPQ6010" }, { 425, "SC7180" }, { 453, "IPQ6005" }, { 455, "QRB5165" }, }; 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 = { \ .open = qcom_open_##name, \ .read = seq_read, \ .llseek = seq_lseek, \ .release = single_release, \ } #define DEBUGFS_ADD(info, name) \ debugfs_create_file(__stringify(name), 0444, \ qcom_socinfo->dbg_root, \ info, &qcom_ ##name## _ops) static int qcom_show_build_id(struct seq_file *seq, void *p) { struct socinfo *socinfo = seq->private; seq_printf(seq, "%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]) seq_printf(seq, "%s\n", pmic_models[model]); else seq_printf(seq, "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; ptr += pmic_array_offset; /* 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]) seq_printf(seq, "%s %u.%u\n", pmic_models[model], SOCINFO_MAJOR(die_rev), SOCINFO_MINOR(die_rev)); else seq_printf(seq, "unknown (%d)\n", model); } return 0; } static int qcom_show_pmic_die_revision(struct seq_file *seq, void *p) { struct socinfo *socinfo = seq->private; seq_printf(seq, "%u.%u\n", SOCINFO_MAJOR(le32_to_cpu(socinfo->pmic_die_rev)), SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_die_rev))); return 0; } static int qcom_show_chip_id(struct seq_file *seq, void *p) { struct socinfo *socinfo = seq->private; seq_printf(seq, "%s\n", socinfo->chip_id); return 0; } QCOM_OPEN(build_id, qcom_show_build_id); QCOM_OPEN(pmic_model, qcom_show_pmic_model); QCOM_OPEN(pmic_model_array, qcom_show_pmic_model_array); QCOM_OPEN(pmic_die_rev, qcom_show_pmic_die_revision); QCOM_OPEN(chip_id, qcom_show_chip_id); #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') \ seq_printf(seq, "%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 = { \ .open = open_image_##type, \ .read = seq_read, \ .llseek = seq_lseek, \ .release = single_release, \ } DEFINE_IMAGE_OPS(name); DEFINE_IMAGE_OPS(variant); DEFINE_IMAGE_OPS(oem); 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; size_t size; int i; unsigned int num_pmics; unsigned int pmic_array_offset; qcom_socinfo->dbg_root = debugfs_create_dir("qcom_socinfo", NULL); qcom_socinfo->info.fmt = __le32_to_cpu(info->fmt); debugfs_create_x32("info_fmt", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.fmt); switch (qcom_socinfo->info.fmt) { case SOCINFO_VERSION(0, 15): qcom_socinfo->info.nmodem_supported = __le32_to_cpu(info->nmodem_supported); debugfs_create_u32("nmodem_supported", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.nmodem_supported); fallthrough; case SOCINFO_VERSION(0, 14): qcom_socinfo->info.num_clusters = __le32_to_cpu(info->num_clusters); qcom_socinfo->info.ncluster_array_offset = __le32_to_cpu(info->ncluster_array_offset); qcom_socinfo->info.num_defective_parts = __le32_to_cpu(info->num_defective_parts); qcom_socinfo->info.ndefective_parts_array_offset = __le32_to_cpu(info->ndefective_parts_array_offset); debugfs_create_u32("num_clusters", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.num_clusters); debugfs_create_u32("ncluster_array_offset", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.ncluster_array_offset); debugfs_create_u32("num_defective_parts", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.num_defective_parts); debugfs_create_u32("ndefective_parts_array_offset", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.ndefective_parts_array_offset); fallthrough; case SOCINFO_VERSION(0, 13): qcom_socinfo->info.nproduct_id = __le32_to_cpu(info->nproduct_id); debugfs_create_u32("nproduct_id", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.nproduct_id); DEBUGFS_ADD(info, chip_id); fallthrough; case SOCINFO_VERSION(0, 12): qcom_socinfo->info.chip_family = __le32_to_cpu(info->chip_family); qcom_socinfo->info.raw_device_family = __le32_to_cpu(info->raw_device_family); qcom_socinfo->info.raw_device_num = __le32_to_cpu(info->raw_device_num); debugfs_create_x32("chip_family", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.chip_family); debugfs_create_x32("raw_device_family", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.raw_device_family); debugfs_create_x32("raw_device_number", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.raw_device_num); fallthrough; case SOCINFO_VERSION(0, 11): num_pmics = le32_to_cpu(info->num_pmics); pmic_array_offset = le32_to_cpu(info->pmic_array_offset); if (pmic_array_offset + 2 * num_pmics * sizeof(u32) <= info_size) DEBUGFS_ADD(info, pmic_model_array); fallthrough; case SOCINFO_VERSION(0, 10): case SOCINFO_VERSION(0, 9): qcom_socinfo->info.foundry_id = __le32_to_cpu(info->foundry_id); debugfs_create_u32("foundry_id", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.foundry_id); fallthrough; case SOCINFO_VERSION(0, 8): case SOCINFO_VERSION(0, 7): DEBUGFS_ADD(info, pmic_model); DEBUGFS_ADD(info, pmic_die_rev); fallthrough; case SOCINFO_VERSION(0, 6): qcom_socinfo->info.hw_plat_subtype = __le32_to_cpu(info->hw_plat_subtype); debugfs_create_u32("hardware_platform_subtype", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.hw_plat_subtype); fallthrough; case SOCINFO_VERSION(0, 5): qcom_socinfo->info.accessory_chip = __le32_to_cpu(info->accessory_chip); debugfs_create_u32("accessory_chip", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.accessory_chip); fallthrough; case SOCINFO_VERSION(0, 4): qcom_socinfo->info.plat_ver = __le32_to_cpu(info->plat_ver); debugfs_create_u32("platform_version", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.plat_ver); fallthrough; case SOCINFO_VERSION(0, 3): qcom_socinfo->info.hw_plat = __le32_to_cpu(info->hw_plat); debugfs_create_u32("hardware_platform", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.hw_plat); fallthrough; case SOCINFO_VERSION(0, 2): qcom_socinfo->info.raw_ver = __le32_to_cpu(info->raw_ver); debugfs_create_u32("raw_version", 0444, qcom_socinfo->dbg_root, &qcom_socinfo->info.raw_ver); fallthrough; case SOCINFO_VERSION(0, 1): DEBUGFS_ADD(info, build_id); break; } versions = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_IMAGE_VERSION_TABLE, &size); for (i = 0; i < ARRAY_SIZE(socinfo_image_names); i++) { if (!socinfo_image_names[i]) continue; dentry = debugfs_create_dir(socinfo_image_names[i], qcom_socinfo->dbg_root); debugfs_create_file("name", 0444, dentry, &versions[i], &qcom_image_name_ops); debugfs_create_file("variant", 0444, dentry, &versions[i], &qcom_image_variant_ops); debugfs_create_file("oem", 0444, dentry, &versions[i], &qcom_image_oem_ops); } } static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) { debugfs_remove_recursive(qcom_socinfo->dbg_root); } #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; size_t item_size; info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID, &item_size); if (IS_ERR(info)) { dev_err(&pdev->dev, "Couldn't find socinfo\n"); return PTR_ERR(info); } qs = devm_kzalloc(&pdev->dev, sizeof(*qs), GFP_KERNEL); if (!qs) return -ENOMEM; qs->attr.family = "Snapdragon"; qs->attr.machine = socinfo_machine(&pdev->dev, le32_to_cpu(info->id)); qs->attr.soc_id = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u", le32_to_cpu(info->id)); qs->attr.revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u.%u", SOCINFO_MAJOR(le32_to_cpu(info->ver)), SOCINFO_MINOR(le32_to_cpu(info->ver))); if (offsetof(struct socinfo, serial_num) <= item_size) qs->attr.serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u", le32_to_cpu(info->serial_num)); qs->soc_dev = soc_device_register(&qs->attr); if (IS_ERR(qs->soc_dev)) return PTR_ERR(qs->soc_dev); socinfo_debugfs_init(qs, info, item_size); /* Feed the soc specific unique data into entropy pool */ add_device_randomness(info, item_size); platform_set_drvdata(pdev, qs); return 0; } static int qcom_socinfo_remove(struct platform_device *pdev) { struct qcom_socinfo *qs = platform_get_drvdata(pdev); soc_device_unregister(qs->soc_dev); socinfo_debugfs_exit(qs); return 0; } static struct platform_driver qcom_socinfo_driver = { .probe = qcom_socinfo_probe, .remove = qcom_socinfo_remove, .driver = { .name = "qcom-socinfo", }, }; module_platform_driver(qcom_socinfo_driver); MODULE_DESCRIPTION("Qualcomm SoCinfo driver"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:qcom-socinfo");