cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

tveeprom.c (25311B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * tveeprom - eeprom decoder for tvcard configuration eeproms
      4 *
      5 * Data and decoding routines shamelessly borrowed from bttv-cards.c
      6 * eeprom access routine shamelessly borrowed from bttv-if.c
      7 * which are:
      8
      9    Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@thp.uni-koeln.de)
     10			   & Marcus Metzler (mocm@thp.uni-koeln.de)
     11    (c) 1999-2001 Gerd Knorr <kraxel@goldbach.in-berlin.de>
     12
     13 * Adjustments to fit a more general model and all bugs:
     14
     15	Copyright (C) 2003 John Klar <linpvr at projectplasma.com>
     16
     17 */
     18
     19#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
     20
     21#include <linux/module.h>
     22#include <linux/errno.h>
     23#include <linux/kernel.h>
     24#include <linux/init.h>
     25#include <linux/types.h>
     26#include <linux/videodev2.h>
     27#include <linux/i2c.h>
     28
     29#include <media/tuner.h>
     30#include <media/tveeprom.h>
     31#include <media/v4l2-common.h>
     32
     33MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
     34MODULE_AUTHOR("John Klar");
     35MODULE_LICENSE("GPL");
     36
     37#define STRM(array, i) \
     38	(i < sizeof(array) / sizeof(char *) ? array[i] : "unknown")
     39
     40
     41/*
     42 * The Hauppauge eeprom uses an 8bit field to determine which
     43 * tuner formats the tuner supports.
     44 */
     45static const struct {
     46	int	id;
     47	const char * const name;
     48} hauppauge_tuner_fmt[] = {
     49	{ V4L2_STD_UNKNOWN,                   " UNKNOWN" },
     50	{ V4L2_STD_UNKNOWN,                   " FM" },
     51	{ V4L2_STD_B|V4L2_STD_GH,             " PAL(B/G)" },
     52	{ V4L2_STD_MN,                        " NTSC(M)" },
     53	{ V4L2_STD_PAL_I,                     " PAL(I)" },
     54	{ V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, " SECAM(L/L')" },
     55	{ V4L2_STD_DK,                        " PAL(D/D1/K)" },
     56	{ V4L2_STD_ATSC,                      " ATSC/DVB Digital" },
     57};
     58
     59/* This is the full list of possible tuners. Many thanks to Hauppauge for
     60   supplying this information. Note that many tuners where only used for
     61   testing and never made it to the outside world. So you will only see
     62   a subset in actual produced cards. */
     63static const struct {
     64	int  id;
     65	const char * const name;
     66} hauppauge_tuner[] = {
     67	/* 0-9 */
     68	{ TUNER_ABSENT,			"None" },
     69	{ TUNER_ABSENT,			"External" },
     70	{ TUNER_ABSENT,			"Unspecified" },
     71	{ TUNER_PHILIPS_PAL,		"Philips FI1216" },
     72	{ TUNER_PHILIPS_SECAM,		"Philips FI1216MF" },
     73	{ TUNER_PHILIPS_NTSC,		"Philips FI1236" },
     74	{ TUNER_PHILIPS_PAL_I,		"Philips FI1246" },
     75	{ TUNER_PHILIPS_PAL_DK,		"Philips FI1256" },
     76	{ TUNER_PHILIPS_PAL,		"Philips FI1216 MK2" },
     77	{ TUNER_PHILIPS_SECAM,		"Philips FI1216MF MK2" },
     78	/* 10-19 */
     79	{ TUNER_PHILIPS_NTSC,		"Philips FI1236 MK2" },
     80	{ TUNER_PHILIPS_PAL_I,		"Philips FI1246 MK2" },
     81	{ TUNER_PHILIPS_PAL_DK,		"Philips FI1256 MK2" },
     82	{ TUNER_TEMIC_NTSC,		"Temic 4032FY5" },
     83	{ TUNER_TEMIC_PAL,		"Temic 4002FH5" },
     84	{ TUNER_TEMIC_PAL_I,		"Temic 4062FY5" },
     85	{ TUNER_PHILIPS_PAL,		"Philips FR1216 MK2" },
     86	{ TUNER_PHILIPS_SECAM,		"Philips FR1216MF MK2" },
     87	{ TUNER_PHILIPS_NTSC,		"Philips FR1236 MK2" },
     88	{ TUNER_PHILIPS_PAL_I,		"Philips FR1246 MK2" },
     89	/* 20-29 */
     90	{ TUNER_PHILIPS_PAL_DK,		"Philips FR1256 MK2" },
     91	{ TUNER_PHILIPS_PAL,		"Philips FM1216" },
     92	{ TUNER_PHILIPS_SECAM,		"Philips FM1216MF" },
     93	{ TUNER_PHILIPS_NTSC,		"Philips FM1236" },
     94	{ TUNER_PHILIPS_PAL_I,		"Philips FM1246" },
     95	{ TUNER_PHILIPS_PAL_DK,		"Philips FM1256" },
     96	{ TUNER_TEMIC_4036FY5_NTSC,	"Temic 4036FY5" },
     97	{ TUNER_ABSENT,			"Samsung TCPN9082D" },
     98	{ TUNER_ABSENT,			"Samsung TCPM9092P" },
     99	{ TUNER_TEMIC_4006FH5_PAL,	"Temic 4006FH5" },
    100	/* 30-39 */
    101	{ TUNER_ABSENT,			"Samsung TCPN9085D" },
    102	{ TUNER_ABSENT,			"Samsung TCPB9085P" },
    103	{ TUNER_ABSENT,			"Samsung TCPL9091P" },
    104	{ TUNER_TEMIC_4039FR5_NTSC,	"Temic 4039FR5" },
    105	{ TUNER_PHILIPS_FQ1216ME,	"Philips FQ1216 ME" },
    106	{ TUNER_TEMIC_4066FY5_PAL_I,	"Temic 4066FY5" },
    107	{ TUNER_PHILIPS_NTSC,		"Philips TD1536" },
    108	{ TUNER_PHILIPS_NTSC,		"Philips TD1536D" },
    109	{ TUNER_PHILIPS_NTSC,		"Philips FMR1236" }, /* mono radio */
    110	{ TUNER_ABSENT,			"Philips FI1256MP" },
    111	/* 40-49 */
    112	{ TUNER_ABSENT,			"Samsung TCPQ9091P" },
    113	{ TUNER_TEMIC_4006FN5_MULTI_PAL,"Temic 4006FN5" },
    114	{ TUNER_TEMIC_4009FR5_PAL,	"Temic 4009FR5" },
    115	{ TUNER_TEMIC_4046FM5,		"Temic 4046FM5" },
    116	{ TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" },
    117	{ TUNER_ABSENT,			"Philips TD1536D FH 44"},
    118	{ TUNER_LG_NTSC_FM,		"LG TP18NSR01F"},
    119	{ TUNER_LG_PAL_FM,		"LG TP18PSB01D"},
    120	{ TUNER_LG_PAL,		"LG TP18PSB11D"},
    121	{ TUNER_LG_PAL_I_FM,		"LG TAPC-I001D"},
    122	/* 50-59 */
    123	{ TUNER_LG_PAL_I,		"LG TAPC-I701D"},
    124	{ TUNER_ABSENT,			"Temic 4042FI5"},
    125	{ TUNER_MICROTUNE_4049FM5,	"Microtune 4049 FM5"},
    126	{ TUNER_ABSENT,			"LG TPI8NSR11F"},
    127	{ TUNER_ABSENT,			"Microtune 4049 FM5 Alt I2C"},
    128	{ TUNER_PHILIPS_FM1216ME_MK3,	"Philips FQ1216ME MK3"},
    129	{ TUNER_ABSENT,			"Philips FI1236 MK3"},
    130	{ TUNER_PHILIPS_FM1216ME_MK3,	"Philips FM1216 ME MK3"},
    131	{ TUNER_PHILIPS_FM1236_MK3,	"Philips FM1236 MK3"},
    132	{ TUNER_ABSENT,			"Philips FM1216MP MK3"},
    133	/* 60-69 */
    134	{ TUNER_PHILIPS_FM1216ME_MK3,	"LG S001D MK3"},
    135	{ TUNER_ABSENT,			"LG M001D MK3"},
    136	{ TUNER_PHILIPS_FM1216ME_MK3,	"LG S701D MK3"},
    137	{ TUNER_ABSENT,			"LG M701D MK3"},
    138	{ TUNER_ABSENT,			"Temic 4146FM5"},
    139	{ TUNER_ABSENT,			"Temic 4136FY5"},
    140	{ TUNER_ABSENT,			"Temic 4106FH5"},
    141	{ TUNER_ABSENT,			"Philips FQ1216LMP MK3"},
    142	{ TUNER_LG_NTSC_TAPE,		"LG TAPE H001F MK3"},
    143	{ TUNER_LG_NTSC_TAPE,		"LG TAPE H701F MK3"},
    144	/* 70-79 */
    145	{ TUNER_ABSENT,			"LG TALN H200T"},
    146	{ TUNER_ABSENT,			"LG TALN H250T"},
    147	{ TUNER_ABSENT,			"LG TALN M200T"},
    148	{ TUNER_ABSENT,			"LG TALN Z200T"},
    149	{ TUNER_ABSENT,			"LG TALN S200T"},
    150	{ TUNER_ABSENT,			"Thompson DTT7595"},
    151	{ TUNER_ABSENT,			"Thompson DTT7592"},
    152	{ TUNER_ABSENT,			"Silicon TDA8275C1 8290"},
    153	{ TUNER_ABSENT,			"Silicon TDA8275C1 8290 FM"},
    154	{ TUNER_ABSENT,			"Thompson DTT757"},
    155	/* 80-89 */
    156	{ TUNER_PHILIPS_FQ1216LME_MK3,	"Philips FQ1216LME MK3"},
    157	{ TUNER_LG_PAL_NEW_TAPC,	"LG TAPC G701D"},
    158	{ TUNER_LG_NTSC_NEW_TAPC,	"LG TAPC H791F"},
    159	{ TUNER_LG_PAL_NEW_TAPC,	"TCL 2002MB 3"},
    160	{ TUNER_LG_PAL_NEW_TAPC,	"TCL 2002MI 3"},
    161	{ TUNER_TCL_2002N,		"TCL 2002N 6A"},
    162	{ TUNER_PHILIPS_FM1236_MK3,	"Philips FQ1236 MK3"},
    163	{ TUNER_SAMSUNG_TCPN_2121P30A,	"Samsung TCPN 2121P30A"},
    164	{ TUNER_ABSENT,			"Samsung TCPE 4121P30A"},
    165	{ TUNER_PHILIPS_FM1216ME_MK3,	"TCL MFPE05 2"},
    166	/* 90-99 */
    167	{ TUNER_ABSENT,			"LG TALN H202T"},
    168	{ TUNER_PHILIPS_FQ1216AME_MK4,	"Philips FQ1216AME MK4"},
    169	{ TUNER_PHILIPS_FQ1236A_MK4,	"Philips FQ1236A MK4"},
    170	{ TUNER_ABSENT,			"Philips FQ1286A MK4"},
    171	{ TUNER_ABSENT,			"Philips FQ1216ME MK5"},
    172	{ TUNER_ABSENT,			"Philips FQ1236 MK5"},
    173	{ TUNER_SAMSUNG_TCPG_6121P30A,	"Samsung TCPG 6121P30A"},
    174	{ TUNER_TCL_2002MB,		"TCL 2002MB_3H"},
    175	{ TUNER_ABSENT,			"TCL 2002MI_3H"},
    176	{ TUNER_TCL_2002N,		"TCL 2002N 5H"},
    177	/* 100-109 */
    178	{ TUNER_PHILIPS_FMD1216ME_MK3,	"Philips FMD1216ME"},
    179	{ TUNER_TEA5767,		"Philips TEA5768HL FM Radio"},
    180	{ TUNER_ABSENT,			"Panasonic ENV57H12D5"},
    181	{ TUNER_PHILIPS_FM1236_MK3,	"TCL MFNM05-4"},
    182	{ TUNER_PHILIPS_FM1236_MK3,	"TCL MNM05-4"},
    183	{ TUNER_PHILIPS_FM1216ME_MK3,	"TCL MPE05-2"},
    184	{ TUNER_ABSENT,			"TCL MQNM05-4"},
    185	{ TUNER_ABSENT,			"LG TAPC-W701D"},
    186	{ TUNER_ABSENT,			"TCL 9886P-WM"},
    187	{ TUNER_ABSENT,			"TCL 1676NM-WM"},
    188	/* 110-119 */
    189	{ TUNER_ABSENT,			"Thompson DTT75105"},
    190	{ TUNER_ABSENT,			"Conexant_CX24109"},
    191	{ TUNER_TCL_2002N,		"TCL M2523_5N_E"},
    192	{ TUNER_TCL_2002MB,		"TCL M2523_3DB_E"},
    193	{ TUNER_ABSENT,			"Philips 8275A"},
    194	{ TUNER_ABSENT,			"Microtune MT2060"},
    195	{ TUNER_PHILIPS_FM1236_MK3,	"Philips FM1236 MK5"},
    196	{ TUNER_PHILIPS_FM1216ME_MK3,	"Philips FM1216ME MK5"},
    197	{ TUNER_ABSENT,			"TCL M2523_3DI_E"},
    198	{ TUNER_ABSENT,			"Samsung THPD5222FG30A"},
    199	/* 120-129 */
    200	{ TUNER_XC2028,			"Xceive XC3028"},
    201	{ TUNER_PHILIPS_FQ1216LME_MK3,	"Philips FQ1216LME MK5"},
    202	{ TUNER_ABSENT,			"Philips FQD1216LME"},
    203	{ TUNER_ABSENT,			"Conexant CX24118A"},
    204	{ TUNER_ABSENT,			"TCL DMF11WIP"},
    205	{ TUNER_ABSENT,			"TCL MFNM05_4H_E"},
    206	{ TUNER_ABSENT,			"TCL MNM05_4H_E"},
    207	{ TUNER_ABSENT,			"TCL MPE05_2H_E"},
    208	{ TUNER_ABSENT,			"TCL MQNM05_4_U"},
    209	{ TUNER_ABSENT,			"TCL M2523_5NH_E"},
    210	/* 130-139 */
    211	{ TUNER_ABSENT,			"TCL M2523_3DBH_E"},
    212	{ TUNER_ABSENT,			"TCL M2523_3DIH_E"},
    213	{ TUNER_ABSENT,			"TCL MFPE05_2_U"},
    214	{ TUNER_PHILIPS_FMD1216MEX_MK3,	"Philips FMD1216MEX"},
    215	{ TUNER_ABSENT,			"Philips FRH2036B"},
    216	{ TUNER_ABSENT,			"Panasonic ENGF75_01GF"},
    217	{ TUNER_ABSENT,			"MaxLinear MXL5005"},
    218	{ TUNER_ABSENT,			"MaxLinear MXL5003"},
    219	{ TUNER_ABSENT,			"Xceive XC2028"},
    220	{ TUNER_ABSENT,			"Microtune MT2131"},
    221	/* 140-149 */
    222	{ TUNER_ABSENT,			"Philips 8275A_8295"},
    223	{ TUNER_ABSENT,			"TCL MF02GIP_5N_E"},
    224	{ TUNER_ABSENT,			"TCL MF02GIP_3DB_E"},
    225	{ TUNER_ABSENT,			"TCL MF02GIP_3DI_E"},
    226	{ TUNER_ABSENT,			"Microtune MT2266"},
    227	{ TUNER_ABSENT,			"TCL MF10WPP_4N_E"},
    228	{ TUNER_ABSENT,			"LG TAPQ_H702F"},
    229	{ TUNER_ABSENT,			"TCL M09WPP_4N_E"},
    230	{ TUNER_ABSENT,			"MaxLinear MXL5005_v2"},
    231	{ TUNER_PHILIPS_TDA8290,	"Philips 18271_8295"},
    232	/* 150-159 */
    233	{ TUNER_XC5000,                 "Xceive XC5000"},
    234	{ TUNER_ABSENT,                 "Xceive XC3028L"},
    235	{ TUNER_ABSENT,                 "NXP 18271C2_716x"},
    236	{ TUNER_ABSENT,                 "Xceive XC4000"},
    237	{ TUNER_ABSENT,                 "Dibcom 7070"},
    238	{ TUNER_PHILIPS_TDA8290,        "NXP 18271C2"},
    239	{ TUNER_ABSENT,                 "Siano SMS1010"},
    240	{ TUNER_ABSENT,                 "Siano SMS1150"},
    241	{ TUNER_ABSENT,                 "MaxLinear 5007"},
    242	{ TUNER_ABSENT,                 "TCL M09WPP_2P_E"},
    243	/* 160-169 */
    244	{ TUNER_ABSENT,                 "Siano SMS1180"},
    245	{ TUNER_ABSENT,                 "Maxim_MAX2165"},
    246	{ TUNER_ABSENT,                 "Siano SMS1140"},
    247	{ TUNER_ABSENT,                 "Siano SMS1150 B1"},
    248	{ TUNER_ABSENT,                 "MaxLinear 111"},
    249	{ TUNER_ABSENT,                 "Dibcom 7770"},
    250	{ TUNER_ABSENT,                 "Siano SMS1180VNS"},
    251	{ TUNER_ABSENT,                 "Siano SMS1184"},
    252	{ TUNER_PHILIPS_FQ1236_MK5,	"TCL M30WTP-4N-E"},
    253	{ TUNER_ABSENT,                 "TCL_M11WPP_2PN_E"},
    254	/* 170-179 */
    255	{ TUNER_ABSENT,                 "MaxLinear 301"},
    256	{ TUNER_ABSENT,                 "Mirics MSi001"},
    257	{ TUNER_ABSENT,                 "MaxLinear MxL241SF"},
    258	{ TUNER_XC5000C,                "Xceive XC5000C"},
    259	{ TUNER_ABSENT,                 "Montage M68TS2020"},
    260	{ TUNER_ABSENT,                 "Siano SMS1530"},
    261	{ TUNER_ABSENT,                 "Dibcom 7090"},
    262	{ TUNER_ABSENT,                 "Xceive XC5200C"},
    263	{ TUNER_ABSENT,                 "NXP 18273"},
    264	{ TUNER_ABSENT,                 "Montage M88TS2022"},
    265	/* 180-188 */
    266	{ TUNER_ABSENT,                 "NXP 18272M"},
    267	{ TUNER_ABSENT,                 "NXP 18272S"},
    268
    269	{ TUNER_ABSENT,                 "Mirics MSi003"},
    270	{ TUNER_ABSENT,                 "MaxLinear MxL256"},
    271	{ TUNER_ABSENT,                 "SiLabs Si2158"},
    272	{ TUNER_ABSENT,                 "SiLabs Si2178"},
    273	{ TUNER_ABSENT,                 "SiLabs Si2157"},
    274	{ TUNER_ABSENT,                 "SiLabs Si2177"},
    275	{ TUNER_ABSENT,                 "ITE IT9137FN"},
    276};
    277
    278/* Use TVEEPROM_AUDPROC_INTERNAL for those audio 'chips' that are
    279 * internal to a video chip, i.e. not a separate audio chip. */
    280static const struct {
    281	u32   id;
    282	const char * const name;
    283} audio_ic[] = {
    284	/* 0-4 */
    285	{ TVEEPROM_AUDPROC_NONE,  "None"      },
    286	{ TVEEPROM_AUDPROC_OTHER, "TEA6300"   },
    287	{ TVEEPROM_AUDPROC_OTHER, "TEA6320"   },
    288	{ TVEEPROM_AUDPROC_OTHER, "TDA9850"   },
    289	{ TVEEPROM_AUDPROC_MSP,   "MSP3400C"  },
    290	/* 5-9 */
    291	{ TVEEPROM_AUDPROC_MSP,   "MSP3410D"  },
    292	{ TVEEPROM_AUDPROC_MSP,   "MSP3415"   },
    293	{ TVEEPROM_AUDPROC_MSP,   "MSP3430"   },
    294	{ TVEEPROM_AUDPROC_MSP,   "MSP3438"   },
    295	{ TVEEPROM_AUDPROC_OTHER, "CS5331"    },
    296	/* 10-14 */
    297	{ TVEEPROM_AUDPROC_MSP,   "MSP3435"   },
    298	{ TVEEPROM_AUDPROC_MSP,   "MSP3440"   },
    299	{ TVEEPROM_AUDPROC_MSP,   "MSP3445"   },
    300	{ TVEEPROM_AUDPROC_MSP,   "MSP3411"   },
    301	{ TVEEPROM_AUDPROC_MSP,   "MSP3416"   },
    302	/* 15-19 */
    303	{ TVEEPROM_AUDPROC_MSP,   "MSP3425"   },
    304	{ TVEEPROM_AUDPROC_MSP,   "MSP3451"   },
    305	{ TVEEPROM_AUDPROC_MSP,   "MSP3418"   },
    306	{ TVEEPROM_AUDPROC_OTHER, "Type 0x12" },
    307	{ TVEEPROM_AUDPROC_OTHER, "OKI7716"   },
    308	/* 20-24 */
    309	{ TVEEPROM_AUDPROC_MSP,   "MSP4410"   },
    310	{ TVEEPROM_AUDPROC_MSP,   "MSP4420"   },
    311	{ TVEEPROM_AUDPROC_MSP,   "MSP4440"   },
    312	{ TVEEPROM_AUDPROC_MSP,   "MSP4450"   },
    313	{ TVEEPROM_AUDPROC_MSP,   "MSP4408"   },
    314	/* 25-29 */
    315	{ TVEEPROM_AUDPROC_MSP,   "MSP4418"   },
    316	{ TVEEPROM_AUDPROC_MSP,   "MSP4428"   },
    317	{ TVEEPROM_AUDPROC_MSP,   "MSP4448"   },
    318	{ TVEEPROM_AUDPROC_MSP,   "MSP4458"   },
    319	{ TVEEPROM_AUDPROC_MSP,   "Type 0x1d" },
    320	/* 30-34 */
    321	{ TVEEPROM_AUDPROC_INTERNAL, "CX880"     },
    322	{ TVEEPROM_AUDPROC_INTERNAL, "CX881"     },
    323	{ TVEEPROM_AUDPROC_INTERNAL, "CX883"     },
    324	{ TVEEPROM_AUDPROC_INTERNAL, "CX882"     },
    325	{ TVEEPROM_AUDPROC_INTERNAL, "CX25840"   },
    326	/* 35-39 */
    327	{ TVEEPROM_AUDPROC_INTERNAL, "CX25841"   },
    328	{ TVEEPROM_AUDPROC_INTERNAL, "CX25842"   },
    329	{ TVEEPROM_AUDPROC_INTERNAL, "CX25843"   },
    330	{ TVEEPROM_AUDPROC_INTERNAL, "CX23418"   },
    331	{ TVEEPROM_AUDPROC_INTERNAL, "CX23885"   },
    332	/* 40-44 */
    333	{ TVEEPROM_AUDPROC_INTERNAL, "CX23888"   },
    334	{ TVEEPROM_AUDPROC_INTERNAL, "SAA7131"   },
    335	{ TVEEPROM_AUDPROC_INTERNAL, "CX23887"   },
    336	{ TVEEPROM_AUDPROC_INTERNAL, "SAA7164"   },
    337	{ TVEEPROM_AUDPROC_INTERNAL, "AU8522"    },
    338	/* 45-49 */
    339	{ TVEEPROM_AUDPROC_INTERNAL, "AVF4910B"  },
    340	{ TVEEPROM_AUDPROC_INTERNAL, "SAA7231"   },
    341	{ TVEEPROM_AUDPROC_INTERNAL, "CX23102"   },
    342	{ TVEEPROM_AUDPROC_INTERNAL, "SAA7163"   },
    343	{ TVEEPROM_AUDPROC_OTHER,    "AK4113"    },
    344	/* 50-52 */
    345	{ TVEEPROM_AUDPROC_OTHER,    "CS5340"    },
    346	{ TVEEPROM_AUDPROC_OTHER,    "CS8416"    },
    347	{ TVEEPROM_AUDPROC_OTHER,    "CX20810"   },
    348};
    349
    350/* This list is supplied by Hauppauge. Thanks! */
    351static const char *decoderIC[] = {
    352	/* 0-4 */
    353	"None", "BT815", "BT817", "BT819", "BT815A",
    354	/* 5-9 */
    355	"BT817A", "BT819A", "BT827", "BT829", "BT848",
    356	/* 10-14 */
    357	"BT848A", "BT849A", "BT829A", "BT827A", "BT878",
    358	/* 15-19 */
    359	"BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
    360	/* 20-24 */
    361	"CX880", "CX881", "CX883", "SAA7111", "SAA7113",
    362	/* 25-29 */
    363	"CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
    364	/* 30-34 */
    365	"CX25843", "CX23418", "NEC61153", "CX23885", "CX23888",
    366	/* 35-39 */
    367	"SAA7131", "CX25837", "CX23887", "CX23885A", "CX23887A",
    368	/* 40-44 */
    369	"SAA7164", "CX23885B", "AU8522", "ADV7401", "AVF4910B",
    370	/* 45-49 */
    371	"SAA7231", "CX23102", "SAA7163", "ADV7441A", "ADV7181C",
    372	/* 50-53 */
    373	"CX25836", "TDA9955", "TDA19977", "ADV7842"
    374};
    375
    376static int hasRadioTuner(int tunerType)
    377{
    378	switch (tunerType) {
    379	case 18: /* PNPEnv_TUNER_FR1236_MK2 */
    380	case 23: /* PNPEnv_TUNER_FM1236 */
    381	case 38: /* PNPEnv_TUNER_FMR1236 */
    382	case 16: /* PNPEnv_TUNER_FR1216_MK2 */
    383	case 19: /* PNPEnv_TUNER_FR1246_MK2 */
    384	case 21: /* PNPEnv_TUNER_FM1216 */
    385	case 24: /* PNPEnv_TUNER_FM1246 */
    386	case 17: /* PNPEnv_TUNER_FR1216MF_MK2 */
    387	case 22: /* PNPEnv_TUNER_FM1216MF */
    388	case 20: /* PNPEnv_TUNER_FR1256_MK2 */
    389	case 25: /* PNPEnv_TUNER_FM1256 */
    390	case 33: /* PNPEnv_TUNER_4039FR5 */
    391	case 42: /* PNPEnv_TUNER_4009FR5 */
    392	case 52: /* PNPEnv_TUNER_4049FM5 */
    393	case 54: /* PNPEnv_TUNER_4049FM5_AltI2C */
    394	case 44: /* PNPEnv_TUNER_4009FN5 */
    395	case 31: /* PNPEnv_TUNER_TCPB9085P */
    396	case 30: /* PNPEnv_TUNER_TCPN9085D */
    397	case 46: /* PNPEnv_TUNER_TP18NSR01F */
    398	case 47: /* PNPEnv_TUNER_TP18PSB01D */
    399	case 49: /* PNPEnv_TUNER_TAPC_I001D */
    400	case 60: /* PNPEnv_TUNER_TAPE_S001D_MK3 */
    401	case 57: /* PNPEnv_TUNER_FM1216ME_MK3 */
    402	case 59: /* PNPEnv_TUNER_FM1216MP_MK3 */
    403	case 58: /* PNPEnv_TUNER_FM1236_MK3 */
    404	case 68: /* PNPEnv_TUNER_TAPE_H001F_MK3 */
    405	case 61: /* PNPEnv_TUNER_TAPE_M001D_MK3 */
    406	case 78: /* PNPEnv_TUNER_TDA8275C1_8290_FM */
    407	case 89: /* PNPEnv_TUNER_TCL_MFPE05_2 */
    408	case 92: /* PNPEnv_TUNER_PHILIPS_FQ1236A_MK4 */
    409	case 105:
    410		return 1;
    411	}
    412	return 0;
    413}
    414
    415void tveeprom_hauppauge_analog(struct tveeprom *tvee,
    416			       unsigned char *eeprom_data)
    417{
    418	/* ----------------------------------------------
    419	** The hauppauge eeprom format is tagged
    420	**
    421	** if packet[0] == 0x84, then packet[0..1] == length
    422	** else length = packet[0] & 3f;
    423	** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
    424	**
    425	** In our (ivtv) case we're interested in the following:
    426	** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
    427	** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into
    428	**		 hauppauge_tuner_fmt)
    429	** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
    430	** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
    431	** decoder proc: tag [09].01)
    432
    433	** Fun info:
    434	** model:      tag [00].07-08 or [06].00-01
    435	** revision:   tag [00].09-0b or [06].04-06
    436	** serial#:    tag [01].05-07 or [04].04-06
    437
    438	** # of inputs/outputs ???
    439	*/
    440
    441	int i, j, len, done, beenhere, tag, start;
    442
    443	int tuner1 = 0, t_format1 = 0, audioic = -1;
    444	const char *t_name1 = NULL;
    445	const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
    446
    447	int tuner2 = 0, t_format2 = 0;
    448	const char *t_name2 = NULL;
    449	const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
    450
    451	memset(tvee, 0, sizeof(*tvee));
    452	tvee->tuner_type = TUNER_ABSENT;
    453	tvee->tuner2_type = TUNER_ABSENT;
    454
    455	done = len = beenhere = 0;
    456
    457	/* Different eeprom start offsets for em28xx, cx2388x and cx23418 */
    458	if (eeprom_data[0] == 0x1a &&
    459	    eeprom_data[1] == 0xeb &&
    460	    eeprom_data[2] == 0x67 &&
    461	    eeprom_data[3] == 0x95)
    462		start = 0xa0; /* Generic em28xx offset */
    463	else if ((eeprom_data[0] & 0xe1) == 0x01 &&
    464		 eeprom_data[1] == 0x00 &&
    465		 eeprom_data[2] == 0x00 &&
    466		 eeprom_data[8] == 0x84)
    467		start = 8; /* Generic cx2388x offset */
    468	else if (eeprom_data[1] == 0x70 &&
    469		 eeprom_data[2] == 0x00 &&
    470		 eeprom_data[4] == 0x74 &&
    471		 eeprom_data[8] == 0x84)
    472		start = 8; /* Generic cx23418 offset (models 74xxx) */
    473	else
    474		start = 0;
    475
    476	for (i = start; !done && i < 256; i += len) {
    477		if (eeprom_data[i] == 0x84) {
    478			len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
    479			i += 3;
    480		} else if ((eeprom_data[i] & 0xf0) == 0x70) {
    481			if (eeprom_data[i] & 0x08) {
    482				/* verify checksum! */
    483				done = 1;
    484				break;
    485			}
    486			len = eeprom_data[i] & 0x07;
    487			++i;
    488		} else {
    489			pr_warn("Encountered bad packet header [%02x]. Corrupt or not a Hauppauge eeprom.\n",
    490				eeprom_data[i]);
    491			return;
    492		}
    493
    494		pr_debug("Tag [%02x] + %d bytes: %*ph\n",
    495			eeprom_data[i], len - 1, len, &eeprom_data[i]);
    496
    497		/* process by tag */
    498		tag = eeprom_data[i];
    499		switch (tag) {
    500		case 0x00:
    501			/* tag: 'Comprehensive' */
    502			tuner1 = eeprom_data[i+6];
    503			t_format1 = eeprom_data[i+5];
    504			tvee->has_radio = eeprom_data[i+len-1];
    505			/* old style tag, don't know how to detect
    506			IR presence, mark as unknown. */
    507			tvee->has_ir = 0;
    508			tvee->model =
    509				eeprom_data[i+8] +
    510				(eeprom_data[i+9] << 8);
    511			tvee->revision = eeprom_data[i+10] +
    512				(eeprom_data[i+11] << 8) +
    513				(eeprom_data[i+12] << 16);
    514			break;
    515
    516		case 0x01:
    517			/* tag: 'SerialID' */
    518			tvee->serial_number =
    519				eeprom_data[i+6] +
    520				(eeprom_data[i+7] << 8) +
    521				(eeprom_data[i+8] << 16);
    522			break;
    523
    524		case 0x02:
    525			/* tag 'AudioInfo'
    526			Note mask with 0x7F, high bit used on some older models
    527			to indicate 4052 mux was removed in favor of using MSP
    528			inputs directly. */
    529			audioic = eeprom_data[i+2] & 0x7f;
    530			if (audioic < ARRAY_SIZE(audio_ic))
    531				tvee->audio_processor = audio_ic[audioic].id;
    532			else
    533				tvee->audio_processor = TVEEPROM_AUDPROC_OTHER;
    534			break;
    535
    536		/* case 0x03: tag 'EEInfo' */
    537
    538		case 0x04:
    539			/* tag 'SerialID2' */
    540			tvee->serial_number =
    541				eeprom_data[i+5] +
    542				(eeprom_data[i+6] << 8) +
    543				(eeprom_data[i+7] << 16)+
    544				(eeprom_data[i+8] << 24);
    545
    546			if (eeprom_data[i + 8] == 0xf0) {
    547				tvee->MAC_address[0] = 0x00;
    548				tvee->MAC_address[1] = 0x0D;
    549				tvee->MAC_address[2] = 0xFE;
    550				tvee->MAC_address[3] = eeprom_data[i + 7];
    551				tvee->MAC_address[4] = eeprom_data[i + 6];
    552				tvee->MAC_address[5] = eeprom_data[i + 5];
    553				tvee->has_MAC_address = 1;
    554			}
    555			break;
    556
    557		case 0x05:
    558			/* tag 'Audio2'
    559			Note mask with 0x7F, high bit used on some older models
    560			to indicate 4052 mux was removed in favor of using MSP
    561			inputs directly. */
    562			audioic = eeprom_data[i+1] & 0x7f;
    563			if (audioic < ARRAY_SIZE(audio_ic))
    564				tvee->audio_processor = audio_ic[audioic].id;
    565			else
    566				tvee->audio_processor = TVEEPROM_AUDPROC_OTHER;
    567
    568			break;
    569
    570		case 0x06:
    571			/* tag 'ModelRev' */
    572			tvee->model =
    573				eeprom_data[i + 1] +
    574				(eeprom_data[i + 2] << 8) +
    575				(eeprom_data[i + 3] << 16) +
    576				(eeprom_data[i + 4] << 24);
    577			tvee->revision =
    578				eeprom_data[i + 5] +
    579				(eeprom_data[i + 6] << 8) +
    580				(eeprom_data[i + 7] << 16);
    581			break;
    582
    583		case 0x07:
    584			/* tag 'Details': according to Hauppauge not interesting
    585			on any PCI-era or later boards. */
    586			break;
    587
    588		/* there is no tag 0x08 defined */
    589
    590		case 0x09:
    591			/* tag 'Video' */
    592			tvee->decoder_processor = eeprom_data[i + 1];
    593			break;
    594
    595		case 0x0a:
    596			/* tag 'Tuner' */
    597			if (beenhere == 0) {
    598				tuner1 = eeprom_data[i + 2];
    599				t_format1 = eeprom_data[i + 1];
    600				beenhere = 1;
    601			} else {
    602				/* a second (radio) tuner may be present */
    603				tuner2 = eeprom_data[i + 2];
    604				t_format2 = eeprom_data[i + 1];
    605				/* not a TV tuner? */
    606				if (t_format2 == 0)
    607					tvee->has_radio = 1; /* must be radio */
    608			}
    609			break;
    610
    611		case 0x0b:
    612			/* tag 'Inputs': according to Hauppauge this is specific
    613			to each driver family, so no good assumptions can be
    614			made. */
    615			break;
    616
    617		/* case 0x0c: tag 'Balun' */
    618		/* case 0x0d: tag 'Teletext' */
    619
    620		case 0x0e:
    621			/* tag: 'Radio' */
    622			tvee->has_radio = eeprom_data[i+1];
    623			break;
    624
    625		case 0x0f:
    626			/* tag 'IRInfo' */
    627			tvee->has_ir = 1 | (eeprom_data[i+1] << 1);
    628			break;
    629
    630		/* case 0x10: tag 'VBIInfo' */
    631		/* case 0x11: tag 'QCInfo' */
    632		/* case 0x12: tag 'InfoBits' */
    633
    634		default:
    635			pr_debug("Not sure what to do with tag [%02x]\n",
    636					tag);
    637			/* dump the rest of the packet? */
    638		}
    639	}
    640
    641	if (!done) {
    642		pr_warn("Ran out of data!\n");
    643		return;
    644	}
    645
    646	if (tvee->revision != 0) {
    647		tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
    648		tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
    649		tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
    650		tvee->rev_str[3] = 32 + (tvee->revision & 0x3f);
    651		tvee->rev_str[4] = 0;
    652	}
    653
    654	if (hasRadioTuner(tuner1) && !tvee->has_radio) {
    655		pr_info("The eeprom says no radio is present, but the tuner type\n");
    656		pr_info("indicates otherwise. I will assume that radio is present.\n");
    657		tvee->has_radio = 1;
    658	}
    659
    660	if (tuner1 < ARRAY_SIZE(hauppauge_tuner)) {
    661		tvee->tuner_type = hauppauge_tuner[tuner1].id;
    662		t_name1 = hauppauge_tuner[tuner1].name;
    663	} else {
    664		t_name1 = "unknown";
    665	}
    666
    667	if (tuner2 < ARRAY_SIZE(hauppauge_tuner)) {
    668		tvee->tuner2_type = hauppauge_tuner[tuner2].id;
    669		t_name2 = hauppauge_tuner[tuner2].name;
    670	} else {
    671		t_name2 = "unknown";
    672	}
    673
    674	tvee->tuner_hauppauge_model = tuner1;
    675	tvee->tuner2_hauppauge_model = tuner2;
    676	tvee->tuner_formats = 0;
    677	tvee->tuner2_formats = 0;
    678	for (i = j = 0; i < 8; i++) {
    679		if (t_format1 & (1 << i)) {
    680			tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
    681			t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
    682		}
    683	}
    684	for (i = j = 0; i < 8; i++) {
    685		if (t_format2 & (1 << i)) {
    686			tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
    687			t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
    688		}
    689	}
    690
    691	pr_info("Hauppauge model %d, rev %s, serial# %u\n",
    692		tvee->model, tvee->rev_str, tvee->serial_number);
    693	if (tvee->has_MAC_address == 1)
    694		pr_info("MAC address is %pM\n", tvee->MAC_address);
    695	pr_info("tuner model is %s (idx %d, type %d)\n",
    696		t_name1, tuner1, tvee->tuner_type);
    697	pr_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
    698		t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2],
    699		t_fmt_name1[3],	t_fmt_name1[4], t_fmt_name1[5],
    700		t_fmt_name1[6], t_fmt_name1[7],	t_format1);
    701	if (tuner2)
    702		pr_info("second tuner model is %s (idx %d, type %d)\n",
    703					t_name2, tuner2, tvee->tuner2_type);
    704	if (t_format2)
    705		pr_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
    706			t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2],
    707			t_fmt_name2[3],	t_fmt_name2[4], t_fmt_name2[5],
    708			t_fmt_name2[6], t_fmt_name2[7], t_format2);
    709	if (audioic < 0) {
    710		pr_info("audio processor is unknown (no idx)\n");
    711		tvee->audio_processor = TVEEPROM_AUDPROC_OTHER;
    712	} else {
    713		if (audioic < ARRAY_SIZE(audio_ic))
    714			pr_info("audio processor is %s (idx %d)\n",
    715					audio_ic[audioic].name, audioic);
    716		else
    717			pr_info("audio processor is unknown (idx %d)\n",
    718								audioic);
    719	}
    720	if (tvee->decoder_processor)
    721		pr_info("decoder processor is %s (idx %d)\n",
    722			STRM(decoderIC, tvee->decoder_processor),
    723			tvee->decoder_processor);
    724	if (tvee->has_ir)
    725		pr_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
    726				tvee->has_radio ? "" : "no ",
    727				(tvee->has_ir & 2) ? "" : "no ",
    728				(tvee->has_ir & 4) ? "" : "no ");
    729	else
    730		pr_info("has %sradio\n",
    731				tvee->has_radio ? "" : "no ");
    732}
    733EXPORT_SYMBOL(tveeprom_hauppauge_analog);
    734
    735/* ----------------------------------------------------------------------- */
    736/* generic helper functions                                                */
    737
    738int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
    739{
    740	unsigned char buf;
    741	int err;
    742
    743	buf = 0;
    744	err = i2c_master_send(c, &buf, 1);
    745	if (err != 1) {
    746		pr_info("Huh, no eeprom present (err=%d)?\n", err);
    747		return -1;
    748	}
    749	err = i2c_master_recv(c, eedata, len);
    750	if (err != len) {
    751		pr_warn("i2c eeprom read error (err=%d)\n", err);
    752		return -1;
    753	}
    754
    755	print_hex_dump_debug("full 256-byte eeprom dump:", DUMP_PREFIX_NONE,
    756			     16, 1, eedata, len, true);
    757	return 0;
    758}
    759EXPORT_SYMBOL(tveeprom_read);