1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2009-2017, The Linux Foundation. All rights reserved.
4 * Copyright (c) 2017-2019, Linaro Ltd.
5 */
6
7#include <linux/debugfs.h>
8#include <linux/err.h>
9#include <linux/module.h>
10#include <linux/platform_device.h>
11#include <linux/random.h>
12#include <linux/slab.h>
13#include <linux/soc/qcom/smem.h>
14#include <linux/soc/qcom/socinfo.h>
15#include <linux/string.h>
16#include <linux/stringify.h>
17#include <linux/sys_soc.h>
18#include <linux/types.h>
19
20#include <asm/unaligned.h>
21
22#include <dt-bindings/arm/qcom,ids.h>
23
24/*
25 * SoC version type with major number in the upper 16 bits and minor
26 * number in the lower 16 bits.
27 */
28#define SOCINFO_MAJOR(ver) (((ver) >> 16) & 0xffff)
29#define SOCINFO_MINOR(ver) ((ver) & 0xffff)
30#define SOCINFO_VERSION(maj, min)  ((((maj) & 0xffff) << 16)|((min) & 0xffff))
31
32/* Helper macros to create soc_id table */
33#define qcom_board_id(id) QCOM_ID_ ## id, __stringify(id)
34#define qcom_board_id_named(id, name) QCOM_ID_ ## id, (name)
35
36#ifdef CONFIG_DEBUG_FS
37#define SMEM_IMAGE_VERSION_BLOCKS_COUNT        32
38#define SMEM_IMAGE_VERSION_SIZE                4096
39#define SMEM_IMAGE_VERSION_NAME_SIZE           75
40#define SMEM_IMAGE_VERSION_VARIANT_SIZE        20
41#define SMEM_IMAGE_VERSION_OEM_SIZE            32
42
43/*
44 * SMEM Image table indices
45 */
46#define SMEM_IMAGE_TABLE_BOOT_INDEX     0
47#define SMEM_IMAGE_TABLE_TZ_INDEX       1
48#define SMEM_IMAGE_TABLE_RPM_INDEX      3
49#define SMEM_IMAGE_TABLE_APPS_INDEX     10
50#define SMEM_IMAGE_TABLE_MPSS_INDEX     11
51#define SMEM_IMAGE_TABLE_ADSP_INDEX     12
52#define SMEM_IMAGE_TABLE_CNSS_INDEX     13
53#define SMEM_IMAGE_TABLE_VIDEO_INDEX    14
54#define SMEM_IMAGE_TABLE_DSPS_INDEX     15
55#define SMEM_IMAGE_TABLE_CDSP_INDEX     16
56#define SMEM_IMAGE_TABLE_CDSP1_INDEX    19
57#define SMEM_IMAGE_TABLE_GPDSP_INDEX    20
58#define SMEM_IMAGE_TABLE_GPDSP1_INDEX   21
59#define SMEM_IMAGE_VERSION_TABLE       469
60
61/*
62 * SMEM Image table names
63 */
64static const char *const socinfo_image_names[] = {
65	[SMEM_IMAGE_TABLE_ADSP_INDEX] = "adsp",
66	[SMEM_IMAGE_TABLE_APPS_INDEX] = "apps",
67	[SMEM_IMAGE_TABLE_BOOT_INDEX] = "boot",
68	[SMEM_IMAGE_TABLE_CNSS_INDEX] = "cnss",
69	[SMEM_IMAGE_TABLE_MPSS_INDEX] = "mpss",
70	[SMEM_IMAGE_TABLE_RPM_INDEX] = "rpm",
71	[SMEM_IMAGE_TABLE_TZ_INDEX] = "tz",
72	[SMEM_IMAGE_TABLE_VIDEO_INDEX] = "video",
73	[SMEM_IMAGE_TABLE_DSPS_INDEX] = "dsps",
74	[SMEM_IMAGE_TABLE_CDSP_INDEX] = "cdsp",
75	[SMEM_IMAGE_TABLE_CDSP1_INDEX] = "cdsp1",
76	[SMEM_IMAGE_TABLE_GPDSP_INDEX] = "gpdsp",
77	[SMEM_IMAGE_TABLE_GPDSP1_INDEX] = "gpdsp1",
78};
79
80static const char *const pmic_models[] = {
81	[0]  = "Unknown PMIC model",
82	[1]  = "PM8941",
83	[2]  = "PM8841",
84	[3]  = "PM8019",
85	[4]  = "PM8226",
86	[5]  = "PM8110",
87	[6]  = "PMA8084",
88	[7]  = "PMI8962",
89	[8]  = "PMD9635",
90	[9]  = "PM8994",
91	[10] = "PMI8994",
92	[11] = "PM8916",
93	[12] = "PM8004",
94	[13] = "PM8909/PM8058",
95	[14] = "PM8028",
96	[15] = "PM8901",
97	[16] = "PM8950/PM8027",
98	[17] = "PMI8950/ISL9519",
99	[18] = "PMK8001/PM8921",
100	[19] = "PMI8996/PM8018",
101	[20] = "PM8998/PM8015",
102	[21] = "PMI8998/PM8014",
103	[22] = "PM8821",
104	[23] = "PM8038",
105	[24] = "PM8005/PM8922",
106	[25] = "PM8917/PM8937",
107	[26] = "PM660L",
108	[27] = "PM660",
109	[30] = "PM8150",
110	[31] = "PM8150L",
111	[32] = "PM8150B",
112	[33] = "PMK8002",
113	[36] = "PM8009",
114	[37] = "PMI632",
115	[38] = "PM8150C",
116	[40] = "PM6150",
117	[41] = "SMB2351",
118	[44] = "PM8008",
119	[45] = "PM6125",
120	[46] = "PM7250B",
121	[47] = "PMK8350",
122	[48] = "PM8350",
123	[49] = "PM8350C",
124	[50] = "PM8350B",
125	[51] = "PMR735A",
126	[52] = "PMR735B",
127	[55] = "PM4125",
128	[58] = "PM8450",
129	[65] = "PM8010",
130	[69] = "PM8550VS",
131	[70] = "PM8550VE",
132	[71] = "PM8550B",
133	[72] = "PMR735D",
134	[73] = "PM8550",
135	[74] = "PMK8550",
136};
137
138struct socinfo_params {
139	u32 raw_device_family;
140	u32 hw_plat_subtype;
141	u32 accessory_chip;
142	u32 raw_device_num;
143	u32 chip_family;
144	u32 foundry_id;
145	u32 plat_ver;
146	u32 raw_ver;
147	u32 hw_plat;
148	u32 fmt;
149	u32 nproduct_id;
150	u32 num_clusters;
151	u32 ncluster_array_offset;
152	u32 num_subset_parts;
153	u32 nsubset_parts_array_offset;
154	u32 nmodem_supported;
155	u32 feature_code;
156	u32 pcode;
157	u32 oem_variant;
158	u32 num_func_clusters;
159	u32 boot_cluster;
160	u32 boot_core;
161};
162
163struct smem_image_version {
164	char name[SMEM_IMAGE_VERSION_NAME_SIZE];
165	char variant[SMEM_IMAGE_VERSION_VARIANT_SIZE];
166	char pad;
167	char oem[SMEM_IMAGE_VERSION_OEM_SIZE];
168};
169#endif /* CONFIG_DEBUG_FS */
170
171struct qcom_socinfo {
172	struct soc_device *soc_dev;
173	struct soc_device_attribute attr;
174#ifdef CONFIG_DEBUG_FS
175	struct dentry *dbg_root;
176	struct socinfo_params info;
177#endif /* CONFIG_DEBUG_FS */
178};
179
180struct soc_id {
181	unsigned int id;
182	const char *name;
183};
184
185static const struct soc_id soc_id[] = {
186	{ qcom_board_id(MSM8260) },
187	{ qcom_board_id(MSM8660) },
188	{ qcom_board_id(APQ8060) },
189	{ qcom_board_id(MSM8960) },
190	{ qcom_board_id(APQ8064) },
191	{ qcom_board_id(MSM8930) },
192	{ qcom_board_id(MSM8630) },
193	{ qcom_board_id(MSM8230) },
194	{ qcom_board_id(APQ8030) },
195	{ qcom_board_id(MSM8627) },
196	{ qcom_board_id(MSM8227) },
197	{ qcom_board_id(MSM8660A) },
198	{ qcom_board_id(MSM8260A) },
199	{ qcom_board_id(APQ8060A) },
200	{ qcom_board_id(MSM8974) },
201	{ qcom_board_id(MSM8225) },
202	{ qcom_board_id(MSM8625) },
203	{ qcom_board_id(MPQ8064) },
204	{ qcom_board_id(MSM8960AB) },
205	{ qcom_board_id(APQ8060AB) },
206	{ qcom_board_id(MSM8260AB) },
207	{ qcom_board_id(MSM8660AB) },
208	{ qcom_board_id(MSM8930AA) },
209	{ qcom_board_id(MSM8630AA) },
210	{ qcom_board_id(MSM8230AA) },
211	{ qcom_board_id(MSM8626) },
212	{ qcom_board_id(MSM8610) },
213	{ qcom_board_id(APQ8064AB) },
214	{ qcom_board_id(MSM8930AB) },
215	{ qcom_board_id(MSM8630AB) },
216	{ qcom_board_id(MSM8230AB) },
217	{ qcom_board_id(APQ8030AB) },
218	{ qcom_board_id(MSM8226) },
219	{ qcom_board_id(MSM8526) },
220	{ qcom_board_id(APQ8030AA) },
221	{ qcom_board_id(MSM8110) },
222	{ qcom_board_id(MSM8210) },
223	{ qcom_board_id(MSM8810) },
224	{ qcom_board_id(MSM8212) },
225	{ qcom_board_id(MSM8612) },
226	{ qcom_board_id(MSM8112) },
227	{ qcom_board_id(MSM8125) },
228	{ qcom_board_id(MSM8225Q) },
229	{ qcom_board_id(MSM8625Q) },
230	{ qcom_board_id(MSM8125Q) },
231	{ qcom_board_id(APQ8064AA) },
232	{ qcom_board_id(APQ8084) },
233	{ qcom_board_id(MSM8130) },
234	{ qcom_board_id(MSM8130AA) },
235	{ qcom_board_id(MSM8130AB) },
236	{ qcom_board_id(MSM8627AA) },
237	{ qcom_board_id(MSM8227AA) },
238	{ qcom_board_id(APQ8074) },
239	{ qcom_board_id(MSM8274) },
240	{ qcom_board_id(MSM8674) },
241	{ qcom_board_id(MDM9635) },
242	{ qcom_board_id_named(MSM8974PRO_AC, "MSM8974PRO-AC") },
243	{ qcom_board_id(MSM8126) },
244	{ qcom_board_id(APQ8026) },
245	{ qcom_board_id(MSM8926) },
246	{ qcom_board_id(IPQ8062) },
247	{ qcom_board_id(IPQ8064) },
248	{ qcom_board_id(IPQ8066) },
249	{ qcom_board_id(IPQ8068) },
250	{ qcom_board_id(MSM8326) },
251	{ qcom_board_id(MSM8916) },
252	{ qcom_board_id(MSM8994) },
253	{ qcom_board_id_named(APQ8074PRO_AA, "APQ8074PRO-AA") },
254	{ qcom_board_id_named(APQ8074PRO_AB, "APQ8074PRO-AB") },
255	{ qcom_board_id_named(APQ8074PRO_AC, "APQ8074PRO-AC") },
256	{ qcom_board_id_named(MSM8274PRO_AA, "MSM8274PRO-AA") },
257	{ qcom_board_id_named(MSM8274PRO_AB, "MSM8274PRO-AB") },
258	{ qcom_board_id_named(MSM8274PRO_AC, "MSM8274PRO-AC") },
259	{ qcom_board_id_named(MSM8674PRO_AA, "MSM8674PRO-AA") },
260	{ qcom_board_id_named(MSM8674PRO_AB, "MSM8674PRO-AB") },
261	{ qcom_board_id_named(MSM8674PRO_AC, "MSM8674PRO-AC") },
262	{ qcom_board_id_named(MSM8974PRO_AA, "MSM8974PRO-AA") },
263	{ qcom_board_id_named(MSM8974PRO_AB, "MSM8974PRO-AB") },
264	{ qcom_board_id(APQ8028) },
265	{ qcom_board_id(MSM8128) },
266	{ qcom_board_id(MSM8228) },
267	{ qcom_board_id(MSM8528) },
268	{ qcom_board_id(MSM8628) },
269	{ qcom_board_id(MSM8928) },
270	{ qcom_board_id(MSM8510) },
271	{ qcom_board_id(MSM8512) },
272	{ qcom_board_id(MSM8936) },
273	{ qcom_board_id(MDM9640) },
274	{ qcom_board_id(MSM8939) },
275	{ qcom_board_id(APQ8036) },
276	{ qcom_board_id(APQ8039) },
277	{ qcom_board_id(MSM8236) },
278	{ qcom_board_id(MSM8636) },
279	{ qcom_board_id(MSM8909) },
280	{ qcom_board_id(MSM8996) },
281	{ qcom_board_id(APQ8016) },
282	{ qcom_board_id(MSM8216) },
283	{ qcom_board_id(MSM8116) },
284	{ qcom_board_id(MSM8616) },
285	{ qcom_board_id(MSM8992) },
286	{ qcom_board_id(APQ8092) },
287	{ qcom_board_id(APQ8094) },
288	{ qcom_board_id(MSM8209) },
289	{ qcom_board_id(MSM8208) },
290	{ qcom_board_id(MDM9209) },
291	{ qcom_board_id(MDM9309) },
292	{ qcom_board_id(MDM9609) },
293	{ qcom_board_id(MSM8239) },
294	{ qcom_board_id(MSM8952) },
295	{ qcom_board_id(APQ8009) },
296	{ qcom_board_id(MSM8956) },
297	{ qcom_board_id(MSM8929) },
298	{ qcom_board_id(MSM8629) },
299	{ qcom_board_id(MSM8229) },
300	{ qcom_board_id(APQ8029) },
301	{ qcom_board_id(APQ8056) },
302	{ qcom_board_id(MSM8609) },
303	{ qcom_board_id(APQ8076) },
304	{ qcom_board_id(MSM8976) },
305	{ qcom_board_id(IPQ8065) },
306	{ qcom_board_id(IPQ8069) },
307	{ qcom_board_id(MDM9650) },
308	{ qcom_board_id(MDM9655) },
309	{ qcom_board_id(MDM9250) },
310	{ qcom_board_id(MDM9255) },
311	{ qcom_board_id(MDM9350) },
312	{ qcom_board_id(APQ8052) },
313	{ qcom_board_id(MDM9607) },
314	{ qcom_board_id(APQ8096) },
315	{ qcom_board_id(MSM8998) },
316	{ qcom_board_id(MSM8953) },
317	{ qcom_board_id(MSM8937) },
318	{ qcom_board_id(APQ8037) },
319	{ qcom_board_id(MDM8207) },
320	{ qcom_board_id(MDM9207) },
321	{ qcom_board_id(MDM9307) },
322	{ qcom_board_id(MDM9628) },
323	{ qcom_board_id(MSM8909W) },
324	{ qcom_board_id(APQ8009W) },
325	{ qcom_board_id(MSM8996L) },
326	{ qcom_board_id(MSM8917) },
327	{ qcom_board_id(APQ8053) },
328	{ qcom_board_id(MSM8996SG) },
329	{ qcom_board_id(APQ8017) },
330	{ qcom_board_id(MSM8217) },
331	{ qcom_board_id(MSM8617) },
332	{ qcom_board_id(MSM8996AU) },
333	{ qcom_board_id(APQ8096AU) },
334	{ qcom_board_id(APQ8096SG) },
335	{ qcom_board_id(MSM8940) },
336	{ qcom_board_id(SDX201) },
337	{ qcom_board_id(SDM660) },
338	{ qcom_board_id(SDM630) },
339	{ qcom_board_id(APQ8098) },
340	{ qcom_board_id(MSM8920) },
341	{ qcom_board_id(SDM845) },
342	{ qcom_board_id(MDM9206) },
343	{ qcom_board_id(IPQ8074) },
344	{ qcom_board_id(SDA660) },
345	{ qcom_board_id(SDM658) },
346	{ qcom_board_id(SDA658) },
347	{ qcom_board_id(SDA630) },
348	{ qcom_board_id(MSM8905) },
349	{ qcom_board_id(SDX202) },
350	{ qcom_board_id(SDM450) },
351	{ qcom_board_id(SM8150) },
352	{ qcom_board_id(SDA845) },
353	{ qcom_board_id(IPQ8072) },
354	{ qcom_board_id(IPQ8076) },
355	{ qcom_board_id(IPQ8078) },
356	{ qcom_board_id(SDM636) },
357	{ qcom_board_id(SDA636) },
358	{ qcom_board_id(SDM632) },
359	{ qcom_board_id(SDA632) },
360	{ qcom_board_id(SDA450) },
361	{ qcom_board_id(SDM439) },
362	{ qcom_board_id(SDM429) },
363	{ qcom_board_id(SM8250) },
364	{ qcom_board_id(SA8155) },
365	{ qcom_board_id(SDA439) },
366	{ qcom_board_id(SDA429) },
367	{ qcom_board_id(SM7150) },
368	{ qcom_board_id(SM7150P) },
369	{ qcom_board_id(IPQ8070) },
370	{ qcom_board_id(IPQ8071) },
371	{ qcom_board_id(QM215) },
372	{ qcom_board_id(IPQ8072A) },
373	{ qcom_board_id(IPQ8074A) },
374	{ qcom_board_id(IPQ8076A) },
375	{ qcom_board_id(IPQ8078A) },
376	{ qcom_board_id(SM6125) },
377	{ qcom_board_id(IPQ8070A) },
378	{ qcom_board_id(IPQ8071A) },
379	{ qcom_board_id(IPQ8172) },
380	{ qcom_board_id(IPQ8173) },
381	{ qcom_board_id(IPQ8174) },
382	{ qcom_board_id(IPQ6018) },
383	{ qcom_board_id(IPQ6028) },
384	{ qcom_board_id(SDM429W) },
385	{ qcom_board_id(SM4250) },
386	{ qcom_board_id(IPQ6000) },
387	{ qcom_board_id(IPQ6010) },
388	{ qcom_board_id(SC7180) },
389	{ qcom_board_id(SM6350) },
390	{ qcom_board_id(QCM2150) },
391	{ qcom_board_id(SDA429W) },
392	{ qcom_board_id(SM8350) },
393	{ qcom_board_id(QCM2290) },
394	{ qcom_board_id(SM7125) },
395	{ qcom_board_id(SM6115) },
396	{ qcom_board_id(IPQ5010) },
397	{ qcom_board_id(IPQ5018) },
398	{ qcom_board_id(IPQ5028) },
399	{ qcom_board_id(SC8280XP) },
400	{ qcom_board_id(IPQ6005) },
401	{ qcom_board_id(QRB5165) },
402	{ qcom_board_id(SM8450) },
403	{ qcom_board_id(SM7225) },
404	{ qcom_board_id(SA8295P) },
405	{ qcom_board_id(SA8540P) },
406	{ qcom_board_id(QCM4290) },
407	{ qcom_board_id(QCS4290) },
408	{ qcom_board_id_named(SM8450_2, "SM8450") },
409	{ qcom_board_id_named(SM8450_3, "SM8450") },
410	{ qcom_board_id(SC7280) },
411	{ qcom_board_id(SC7180P) },
412	{ qcom_board_id(QCM6490) },
413	{ qcom_board_id(IPQ5000) },
414	{ qcom_board_id(IPQ0509) },
415	{ qcom_board_id(IPQ0518) },
416	{ qcom_board_id(SM6375) },
417	{ qcom_board_id(IPQ9514) },
418	{ qcom_board_id(IPQ9550) },
419	{ qcom_board_id(IPQ9554) },
420	{ qcom_board_id(IPQ9570) },
421	{ qcom_board_id(IPQ9574) },
422	{ qcom_board_id(SM8550) },
423	{ qcom_board_id(IPQ5016) },
424	{ qcom_board_id(IPQ9510) },
425	{ qcom_board_id(QRB4210) },
426	{ qcom_board_id(QRB2210) },
427	{ qcom_board_id(SM8475) },
428	{ qcom_board_id(SM8475P) },
429	{ qcom_board_id(SA8775P) },
430	{ qcom_board_id(QRU1000) },
431	{ qcom_board_id(SM8475_2) },
432	{ qcom_board_id(QDU1000) },
433	{ qcom_board_id(SM8650) },
434	{ qcom_board_id(SM4450) },
435	{ qcom_board_id(QDU1010) },
436	{ qcom_board_id(QRU1032) },
437	{ qcom_board_id(QRU1052) },
438	{ qcom_board_id(QRU1062) },
439	{ qcom_board_id(IPQ5332) },
440	{ qcom_board_id(IPQ5322) },
441	{ qcom_board_id(IPQ5312) },
442	{ qcom_board_id(IPQ5302) },
443	{ qcom_board_id(QCS8550) },
444	{ qcom_board_id(QCM8550) },
445	{ qcom_board_id(IPQ5300) },
446};
447
448static const char *socinfo_machine(struct device *dev, unsigned int id)
449{
450	int idx;
451
452	for (idx = 0; idx < ARRAY_SIZE(soc_id); idx++) {
453		if (soc_id[idx].id == id)
454			return soc_id[idx].name;
455	}
456
457	return NULL;
458}
459
460#ifdef CONFIG_DEBUG_FS
461
462#define QCOM_OPEN(name, _func)						\
463static int qcom_open_##name(struct inode *inode, struct file *file)	\
464{									\
465	return single_open(file, _func, inode->i_private);		\
466}									\
467									\
468static const struct file_operations qcom_ ##name## _ops = {		\
469	.open = qcom_open_##name,					\
470	.read = seq_read,						\
471	.llseek = seq_lseek,						\
472	.release = single_release,					\
473}
474
475#define DEBUGFS_ADD(info, name)						\
476	debugfs_create_file(__stringify(name), 0444,			\
477			    qcom_socinfo->dbg_root,			\
478			    info, &qcom_ ##name## _ops)
479
480
481static int qcom_show_build_id(struct seq_file *seq, void *p)
482{
483	struct socinfo *socinfo = seq->private;
484
485	seq_printf(seq, "%s\n", socinfo->build_id);
486
487	return 0;
488}
489
490static int qcom_show_pmic_model(struct seq_file *seq, void *p)
491{
492	struct socinfo *socinfo = seq->private;
493	int model = SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_model));
494
495	if (model < 0)
496		return -EINVAL;
497
498	if (model < ARRAY_SIZE(pmic_models) && pmic_models[model])
499		seq_printf(seq, "%s\n", pmic_models[model]);
500	else
501		seq_printf(seq, "unknown (%d)\n", model);
502
503	return 0;
504}
505
506static int qcom_show_pmic_model_array(struct seq_file *seq, void *p)
507{
508	struct socinfo *socinfo = seq->private;
509	unsigned int num_pmics = le32_to_cpu(socinfo->num_pmics);
510	unsigned int pmic_array_offset = le32_to_cpu(socinfo->pmic_array_offset);
511	int i;
512	void *ptr = socinfo;
513
514	ptr += pmic_array_offset;
515
516	/* No need for bounds checking, it happened at socinfo_debugfs_init */
517	for (i = 0; i < num_pmics; i++) {
518		unsigned int model = SOCINFO_MINOR(get_unaligned_le32(ptr + 2 * i * sizeof(u32)));
519		unsigned int die_rev = get_unaligned_le32(ptr + (2 * i + 1) * sizeof(u32));
520
521		if (model < ARRAY_SIZE(pmic_models) && pmic_models[model])
522			seq_printf(seq, "%s %u.%u\n", pmic_models[model],
523				   SOCINFO_MAJOR(die_rev),
524				   SOCINFO_MINOR(die_rev));
525		else
526			seq_printf(seq, "unknown (%d)\n", model);
527	}
528
529	return 0;
530}
531
532static int qcom_show_pmic_die_revision(struct seq_file *seq, void *p)
533{
534	struct socinfo *socinfo = seq->private;
535
536	seq_printf(seq, "%u.%u\n",
537		   SOCINFO_MAJOR(le32_to_cpu(socinfo->pmic_die_rev)),
538		   SOCINFO_MINOR(le32_to_cpu(socinfo->pmic_die_rev)));
539
540	return 0;
541}
542
543static int qcom_show_chip_id(struct seq_file *seq, void *p)
544{
545	struct socinfo *socinfo = seq->private;
546
547	seq_printf(seq, "%s\n", socinfo->chip_id);
548
549	return 0;
550}
551
552QCOM_OPEN(build_id, qcom_show_build_id);
553QCOM_OPEN(pmic_model, qcom_show_pmic_model);
554QCOM_OPEN(pmic_model_array, qcom_show_pmic_model_array);
555QCOM_OPEN(pmic_die_rev, qcom_show_pmic_die_revision);
556QCOM_OPEN(chip_id, qcom_show_chip_id);
557
558#define DEFINE_IMAGE_OPS(type)					\
559static int show_image_##type(struct seq_file *seq, void *p)		  \
560{								  \
561	struct smem_image_version *image_version = seq->private;  \
562	if (image_version->type[0] != '\0')			  \
563		seq_printf(seq, "%s\n", image_version->type);	  \
564	return 0;						  \
565}								  \
566static int open_image_##type(struct inode *inode, struct file *file)	  \
567{									  \
568	return single_open(file, show_image_##type, inode->i_private); \
569}									  \
570									  \
571static const struct file_operations qcom_image_##type##_ops = {	  \
572	.open = open_image_##type,					  \
573	.read = seq_read,						  \
574	.llseek = seq_lseek,						  \
575	.release = single_release,					  \
576}
577
578DEFINE_IMAGE_OPS(name);
579DEFINE_IMAGE_OPS(variant);
580DEFINE_IMAGE_OPS(oem);
581
582static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
583				 struct socinfo *info, size_t info_size)
584{
585	struct smem_image_version *versions;
586	struct dentry *dentry;
587	size_t size;
588	int i;
589	unsigned int num_pmics;
590	unsigned int pmic_array_offset;
591
592	qcom_socinfo->dbg_root = debugfs_create_dir("qcom_socinfo", NULL);
593
594	qcom_socinfo->info.fmt = __le32_to_cpu(info->fmt);
595
596	debugfs_create_x32("info_fmt", 0444, qcom_socinfo->dbg_root,
597			   &qcom_socinfo->info.fmt);
598
599	switch (qcom_socinfo->info.fmt) {
600	case SOCINFO_VERSION(0, 19):
601		qcom_socinfo->info.num_func_clusters = __le32_to_cpu(info->num_func_clusters);
602		qcom_socinfo->info.boot_cluster = __le32_to_cpu(info->boot_cluster);
603		qcom_socinfo->info.boot_core = __le32_to_cpu(info->boot_core);
604
605		debugfs_create_u32("num_func_clusters", 0444, qcom_socinfo->dbg_root,
606				   &qcom_socinfo->info.num_func_clusters);
607		debugfs_create_u32("boot_cluster", 0444, qcom_socinfo->dbg_root,
608				   &qcom_socinfo->info.boot_cluster);
609		debugfs_create_u32("boot_core", 0444, qcom_socinfo->dbg_root,
610				   &qcom_socinfo->info.boot_core);
611		fallthrough;
612	case SOCINFO_VERSION(0, 18):
613	case SOCINFO_VERSION(0, 17):
614		qcom_socinfo->info.oem_variant = __le32_to_cpu(info->oem_variant);
615		debugfs_create_u32("oem_variant", 0444, qcom_socinfo->dbg_root,
616				   &qcom_socinfo->info.oem_variant);
617		fallthrough;
618	case SOCINFO_VERSION(0, 16):
619		qcom_socinfo->info.feature_code = __le32_to_cpu(info->feature_code);
620		qcom_socinfo->info.pcode = __le32_to_cpu(info->pcode);
621
622		debugfs_create_u32("feature_code", 0444, qcom_socinfo->dbg_root,
623				   &qcom_socinfo->info.feature_code);
624		debugfs_create_u32("pcode", 0444, qcom_socinfo->dbg_root,
625				   &qcom_socinfo->info.pcode);
626		fallthrough;
627	case SOCINFO_VERSION(0, 15):
628		qcom_socinfo->info.nmodem_supported = __le32_to_cpu(info->nmodem_supported);
629
630		debugfs_create_u32("nmodem_supported", 0444, qcom_socinfo->dbg_root,
631				   &qcom_socinfo->info.nmodem_supported);
632		fallthrough;
633	case SOCINFO_VERSION(0, 14):
634		qcom_socinfo->info.num_clusters = __le32_to_cpu(info->num_clusters);
635		qcom_socinfo->info.ncluster_array_offset = __le32_to_cpu(info->ncluster_array_offset);
636		qcom_socinfo->info.num_subset_parts = __le32_to_cpu(info->num_subset_parts);
637		qcom_socinfo->info.nsubset_parts_array_offset =
638			__le32_to_cpu(info->nsubset_parts_array_offset);
639
640		debugfs_create_u32("num_clusters", 0444, qcom_socinfo->dbg_root,
641				   &qcom_socinfo->info.num_clusters);
642		debugfs_create_u32("ncluster_array_offset", 0444, qcom_socinfo->dbg_root,
643				   &qcom_socinfo->info.ncluster_array_offset);
644		debugfs_create_u32("num_subset_parts", 0444, qcom_socinfo->dbg_root,
645				   &qcom_socinfo->info.num_subset_parts);
646		debugfs_create_u32("nsubset_parts_array_offset", 0444, qcom_socinfo->dbg_root,
647				   &qcom_socinfo->info.nsubset_parts_array_offset);
648		fallthrough;
649	case SOCINFO_VERSION(0, 13):
650		qcom_socinfo->info.nproduct_id = __le32_to_cpu(info->nproduct_id);
651
652		debugfs_create_u32("nproduct_id", 0444, qcom_socinfo->dbg_root,
653				   &qcom_socinfo->info.nproduct_id);
654		DEBUGFS_ADD(info, chip_id);
655		fallthrough;
656	case SOCINFO_VERSION(0, 12):
657		qcom_socinfo->info.chip_family =
658			__le32_to_cpu(info->chip_family);
659		qcom_socinfo->info.raw_device_family =
660			__le32_to_cpu(info->raw_device_family);
661		qcom_socinfo->info.raw_device_num =
662			__le32_to_cpu(info->raw_device_num);
663
664		debugfs_create_x32("chip_family", 0444, qcom_socinfo->dbg_root,
665				   &qcom_socinfo->info.chip_family);
666		debugfs_create_x32("raw_device_family", 0444,
667				   qcom_socinfo->dbg_root,
668				   &qcom_socinfo->info.raw_device_family);
669		debugfs_create_x32("raw_device_number", 0444,
670				   qcom_socinfo->dbg_root,
671				   &qcom_socinfo->info.raw_device_num);
672		fallthrough;
673	case SOCINFO_VERSION(0, 11):
674		num_pmics = le32_to_cpu(info->num_pmics);
675		pmic_array_offset = le32_to_cpu(info->pmic_array_offset);
676		if (pmic_array_offset + 2 * num_pmics * sizeof(u32) <= info_size)
677			DEBUGFS_ADD(info, pmic_model_array);
678		fallthrough;
679	case SOCINFO_VERSION(0, 10):
680	case SOCINFO_VERSION(0, 9):
681		qcom_socinfo->info.foundry_id = __le32_to_cpu(info->foundry_id);
682
683		debugfs_create_u32("foundry_id", 0444, qcom_socinfo->dbg_root,
684				   &qcom_socinfo->info.foundry_id);
685		fallthrough;
686	case SOCINFO_VERSION(0, 8):
687	case SOCINFO_VERSION(0, 7):
688		DEBUGFS_ADD(info, pmic_model);
689		DEBUGFS_ADD(info, pmic_die_rev);
690		fallthrough;
691	case SOCINFO_VERSION(0, 6):
692		qcom_socinfo->info.hw_plat_subtype =
693			__le32_to_cpu(info->hw_plat_subtype);
694
695		debugfs_create_u32("hardware_platform_subtype", 0444,
696				   qcom_socinfo->dbg_root,
697				   &qcom_socinfo->info.hw_plat_subtype);
698		fallthrough;
699	case SOCINFO_VERSION(0, 5):
700		qcom_socinfo->info.accessory_chip =
701			__le32_to_cpu(info->accessory_chip);
702
703		debugfs_create_u32("accessory_chip", 0444,
704				   qcom_socinfo->dbg_root,
705				   &qcom_socinfo->info.accessory_chip);
706		fallthrough;
707	case SOCINFO_VERSION(0, 4):
708		qcom_socinfo->info.plat_ver = __le32_to_cpu(info->plat_ver);
709
710		debugfs_create_u32("platform_version", 0444,
711				   qcom_socinfo->dbg_root,
712				   &qcom_socinfo->info.plat_ver);
713		fallthrough;
714	case SOCINFO_VERSION(0, 3):
715		qcom_socinfo->info.hw_plat = __le32_to_cpu(info->hw_plat);
716
717		debugfs_create_u32("hardware_platform", 0444,
718				   qcom_socinfo->dbg_root,
719				   &qcom_socinfo->info.hw_plat);
720		fallthrough;
721	case SOCINFO_VERSION(0, 2):
722		qcom_socinfo->info.raw_ver  = __le32_to_cpu(info->raw_ver);
723
724		debugfs_create_u32("raw_version", 0444, qcom_socinfo->dbg_root,
725				   &qcom_socinfo->info.raw_ver);
726		fallthrough;
727	case SOCINFO_VERSION(0, 1):
728		DEBUGFS_ADD(info, build_id);
729		break;
730	}
731
732	versions = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_IMAGE_VERSION_TABLE,
733				 &size);
734
735	for (i = 0; i < ARRAY_SIZE(socinfo_image_names); i++) {
736		if (!socinfo_image_names[i])
737			continue;
738
739		dentry = debugfs_create_dir(socinfo_image_names[i],
740					    qcom_socinfo->dbg_root);
741		debugfs_create_file("name", 0444, dentry, &versions[i],
742				    &qcom_image_name_ops);
743		debugfs_create_file("variant", 0444, dentry, &versions[i],
744				    &qcom_image_variant_ops);
745		debugfs_create_file("oem", 0444, dentry, &versions[i],
746				    &qcom_image_oem_ops);
747	}
748}
749
750static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo)
751{
752	debugfs_remove_recursive(qcom_socinfo->dbg_root);
753}
754#else
755static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
756				 struct socinfo *info, size_t info_size)
757{
758}
759static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) {  }
760#endif /* CONFIG_DEBUG_FS */
761
762static int qcom_socinfo_probe(struct platform_device *pdev)
763{
764	struct qcom_socinfo *qs;
765	struct socinfo *info;
766	size_t item_size;
767
768	info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID,
769			      &item_size);
770	if (IS_ERR(info)) {
771		dev_err(&pdev->dev, "Couldn't find socinfo\n");
772		return PTR_ERR(info);
773	}
774
775	qs = devm_kzalloc(&pdev->dev, sizeof(*qs), GFP_KERNEL);
776	if (!qs)
777		return -ENOMEM;
778
779	qs->attr.family = "Snapdragon";
780	qs->attr.machine = socinfo_machine(&pdev->dev,
781					   le32_to_cpu(info->id));
782	qs->attr.soc_id = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u",
783					 le32_to_cpu(info->id));
784	qs->attr.revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u.%u",
785					   SOCINFO_MAJOR(le32_to_cpu(info->ver)),
786					   SOCINFO_MINOR(le32_to_cpu(info->ver)));
787	if (offsetof(struct socinfo, serial_num) <= item_size)
788		qs->attr.serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL,
789							"%u",
790							le32_to_cpu(info->serial_num));
791
792	qs->soc_dev = soc_device_register(&qs->attr);
793	if (IS_ERR(qs->soc_dev))
794		return PTR_ERR(qs->soc_dev);
795
796	socinfo_debugfs_init(qs, info, item_size);
797
798	/* Feed the soc specific unique data into entropy pool */
799	add_device_randomness(info, item_size);
800
801	platform_set_drvdata(pdev, qs);
802
803	return 0;
804}
805
806static void qcom_socinfo_remove(struct platform_device *pdev)
807{
808	struct qcom_socinfo *qs = platform_get_drvdata(pdev);
809
810	soc_device_unregister(qs->soc_dev);
811
812	socinfo_debugfs_exit(qs);
813}
814
815static struct platform_driver qcom_socinfo_driver = {
816	.probe = qcom_socinfo_probe,
817	.remove_new = qcom_socinfo_remove,
818	.driver  = {
819		.name = "qcom-socinfo",
820	},
821};
822
823module_platform_driver(qcom_socinfo_driver);
824
825MODULE_DESCRIPTION("Qualcomm SoCinfo driver");
826MODULE_LICENSE("GPL v2");
827MODULE_ALIAS("platform:qcom-socinfo");
828