xref: /openbmc/linux/drivers/media/common/tveeprom.c (revision e2c75e76)
1 /*
2  * tveeprom - eeprom decoder for tvcard configuration eeproms
3  *
4  * Data and decoding routines shamelessly borrowed from bttv-cards.c
5  * eeprom access routine shamelessly borrowed from bttv-if.c
6  * which are:
7 
8     Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@thp.uni-koeln.de)
9 			   & Marcus Metzler (mocm@thp.uni-koeln.de)
10     (c) 1999-2001 Gerd Knorr <kraxel@goldbach.in-berlin.de>
11 
12  * Adjustments to fit a more general model and all bugs:
13 
14 	Copyright (C) 2003 John Klar <linpvr at projectplasma.com>
15 
16  * This program is free software; you can redistribute it and/or modify
17  * it under the terms of the GNU General Public License as published by
18  * the Free Software Foundation; either version 2 of the License, or
19  * (at your option) any later version.
20  *
21  * This program is distributed in the hope that it will be useful,
22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24  * GNU General Public License for more details.
25  */
26 
27 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
28 
29 #include <linux/module.h>
30 #include <linux/errno.h>
31 #include <linux/kernel.h>
32 #include <linux/init.h>
33 #include <linux/types.h>
34 #include <linux/videodev2.h>
35 #include <linux/i2c.h>
36 
37 #include <media/tuner.h>
38 #include <media/tveeprom.h>
39 #include <media/v4l2-common.h>
40 
41 MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
42 MODULE_AUTHOR("John Klar");
43 MODULE_LICENSE("GPL");
44 
45 #define STRM(array, i) \
46 	(i < sizeof(array) / sizeof(char *) ? array[i] : "unknown")
47 
48 
49 /*
50  * The Hauppauge eeprom uses an 8bit field to determine which
51  * tuner formats the tuner supports.
52  */
53 static const struct {
54 	int	id;
55 	const char * const name;
56 } hauppauge_tuner_fmt[] = {
57 	{ V4L2_STD_UNKNOWN,                   " UNKNOWN" },
58 	{ V4L2_STD_UNKNOWN,                   " FM" },
59 	{ V4L2_STD_B|V4L2_STD_GH,             " PAL(B/G)" },
60 	{ V4L2_STD_MN,                        " NTSC(M)" },
61 	{ V4L2_STD_PAL_I,                     " PAL(I)" },
62 	{ V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, " SECAM(L/L')" },
63 	{ V4L2_STD_DK,                        " PAL(D/D1/K)" },
64 	{ V4L2_STD_ATSC,                      " ATSC/DVB Digital" },
65 };
66 
67 /* This is the full list of possible tuners. Many thanks to Hauppauge for
68    supplying this information. Note that many tuners where only used for
69    testing and never made it to the outside world. So you will only see
70    a subset in actual produced cards. */
71 static const struct {
72 	int  id;
73 	const char * const name;
74 } hauppauge_tuner[] = {
75 	/* 0-9 */
76 	{ TUNER_ABSENT,			"None" },
77 	{ TUNER_ABSENT,			"External" },
78 	{ TUNER_ABSENT,			"Unspecified" },
79 	{ TUNER_PHILIPS_PAL,		"Philips FI1216" },
80 	{ TUNER_PHILIPS_SECAM,		"Philips FI1216MF" },
81 	{ TUNER_PHILIPS_NTSC,		"Philips FI1236" },
82 	{ TUNER_PHILIPS_PAL_I,		"Philips FI1246" },
83 	{ TUNER_PHILIPS_PAL_DK,		"Philips FI1256" },
84 	{ TUNER_PHILIPS_PAL,		"Philips FI1216 MK2" },
85 	{ TUNER_PHILIPS_SECAM,		"Philips FI1216MF MK2" },
86 	/* 10-19 */
87 	{ TUNER_PHILIPS_NTSC,		"Philips FI1236 MK2" },
88 	{ TUNER_PHILIPS_PAL_I,		"Philips FI1246 MK2" },
89 	{ TUNER_PHILIPS_PAL_DK,		"Philips FI1256 MK2" },
90 	{ TUNER_TEMIC_NTSC,		"Temic 4032FY5" },
91 	{ TUNER_TEMIC_PAL,		"Temic 4002FH5" },
92 	{ TUNER_TEMIC_PAL_I,		"Temic 4062FY5" },
93 	{ TUNER_PHILIPS_PAL,		"Philips FR1216 MK2" },
94 	{ TUNER_PHILIPS_SECAM,		"Philips FR1216MF MK2" },
95 	{ TUNER_PHILIPS_NTSC,		"Philips FR1236 MK2" },
96 	{ TUNER_PHILIPS_PAL_I,		"Philips FR1246 MK2" },
97 	/* 20-29 */
98 	{ TUNER_PHILIPS_PAL_DK,		"Philips FR1256 MK2" },
99 	{ TUNER_PHILIPS_PAL,		"Philips FM1216" },
100 	{ TUNER_PHILIPS_SECAM,		"Philips FM1216MF" },
101 	{ TUNER_PHILIPS_NTSC,		"Philips FM1236" },
102 	{ TUNER_PHILIPS_PAL_I,		"Philips FM1246" },
103 	{ TUNER_PHILIPS_PAL_DK,		"Philips FM1256" },
104 	{ TUNER_TEMIC_4036FY5_NTSC,	"Temic 4036FY5" },
105 	{ TUNER_ABSENT,			"Samsung TCPN9082D" },
106 	{ TUNER_ABSENT,			"Samsung TCPM9092P" },
107 	{ TUNER_TEMIC_4006FH5_PAL,	"Temic 4006FH5" },
108 	/* 30-39 */
109 	{ TUNER_ABSENT,			"Samsung TCPN9085D" },
110 	{ TUNER_ABSENT,			"Samsung TCPB9085P" },
111 	{ TUNER_ABSENT,			"Samsung TCPL9091P" },
112 	{ TUNER_TEMIC_4039FR5_NTSC,	"Temic 4039FR5" },
113 	{ TUNER_PHILIPS_FQ1216ME,	"Philips FQ1216 ME" },
114 	{ TUNER_TEMIC_4066FY5_PAL_I,	"Temic 4066FY5" },
115 	{ TUNER_PHILIPS_NTSC,		"Philips TD1536" },
116 	{ TUNER_PHILIPS_NTSC,		"Philips TD1536D" },
117 	{ TUNER_PHILIPS_NTSC,		"Philips FMR1236" }, /* mono radio */
118 	{ TUNER_ABSENT,			"Philips FI1256MP" },
119 	/* 40-49 */
120 	{ TUNER_ABSENT,			"Samsung TCPQ9091P" },
121 	{ TUNER_TEMIC_4006FN5_MULTI_PAL,"Temic 4006FN5" },
122 	{ TUNER_TEMIC_4009FR5_PAL,	"Temic 4009FR5" },
123 	{ TUNER_TEMIC_4046FM5,		"Temic 4046FM5" },
124 	{ TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" },
125 	{ TUNER_ABSENT,			"Philips TD1536D FH 44"},
126 	{ TUNER_LG_NTSC_FM,		"LG TP18NSR01F"},
127 	{ TUNER_LG_PAL_FM,		"LG TP18PSB01D"},
128 	{ TUNER_LG_PAL,		"LG TP18PSB11D"},
129 	{ TUNER_LG_PAL_I_FM,		"LG TAPC-I001D"},
130 	/* 50-59 */
131 	{ TUNER_LG_PAL_I,		"LG TAPC-I701D"},
132 	{ TUNER_ABSENT,			"Temic 4042FI5"},
133 	{ TUNER_MICROTUNE_4049FM5,	"Microtune 4049 FM5"},
134 	{ TUNER_ABSENT,			"LG TPI8NSR11F"},
135 	{ TUNER_ABSENT,			"Microtune 4049 FM5 Alt I2C"},
136 	{ TUNER_PHILIPS_FM1216ME_MK3,	"Philips FQ1216ME MK3"},
137 	{ TUNER_ABSENT,			"Philips FI1236 MK3"},
138 	{ TUNER_PHILIPS_FM1216ME_MK3,	"Philips FM1216 ME MK3"},
139 	{ TUNER_PHILIPS_FM1236_MK3,	"Philips FM1236 MK3"},
140 	{ TUNER_ABSENT,			"Philips FM1216MP MK3"},
141 	/* 60-69 */
142 	{ TUNER_PHILIPS_FM1216ME_MK3,	"LG S001D MK3"},
143 	{ TUNER_ABSENT,			"LG M001D MK3"},
144 	{ TUNER_PHILIPS_FM1216ME_MK3,	"LG S701D MK3"},
145 	{ TUNER_ABSENT,			"LG M701D MK3"},
146 	{ TUNER_ABSENT,			"Temic 4146FM5"},
147 	{ TUNER_ABSENT,			"Temic 4136FY5"},
148 	{ TUNER_ABSENT,			"Temic 4106FH5"},
149 	{ TUNER_ABSENT,			"Philips FQ1216LMP MK3"},
150 	{ TUNER_LG_NTSC_TAPE,		"LG TAPE H001F MK3"},
151 	{ TUNER_LG_NTSC_TAPE,		"LG TAPE H701F MK3"},
152 	/* 70-79 */
153 	{ TUNER_ABSENT,			"LG TALN H200T"},
154 	{ TUNER_ABSENT,			"LG TALN H250T"},
155 	{ TUNER_ABSENT,			"LG TALN M200T"},
156 	{ TUNER_ABSENT,			"LG TALN Z200T"},
157 	{ TUNER_ABSENT,			"LG TALN S200T"},
158 	{ TUNER_ABSENT,			"Thompson DTT7595"},
159 	{ TUNER_ABSENT,			"Thompson DTT7592"},
160 	{ TUNER_ABSENT,			"Silicon TDA8275C1 8290"},
161 	{ TUNER_ABSENT,			"Silicon TDA8275C1 8290 FM"},
162 	{ TUNER_ABSENT,			"Thompson DTT757"},
163 	/* 80-89 */
164 	{ TUNER_PHILIPS_FQ1216LME_MK3,	"Philips FQ1216LME MK3"},
165 	{ TUNER_LG_PAL_NEW_TAPC,	"LG TAPC G701D"},
166 	{ TUNER_LG_NTSC_NEW_TAPC,	"LG TAPC H791F"},
167 	{ TUNER_LG_PAL_NEW_TAPC,	"TCL 2002MB 3"},
168 	{ TUNER_LG_PAL_NEW_TAPC,	"TCL 2002MI 3"},
169 	{ TUNER_TCL_2002N,		"TCL 2002N 6A"},
170 	{ TUNER_PHILIPS_FM1236_MK3,	"Philips FQ1236 MK3"},
171 	{ TUNER_SAMSUNG_TCPN_2121P30A,	"Samsung TCPN 2121P30A"},
172 	{ TUNER_ABSENT,			"Samsung TCPE 4121P30A"},
173 	{ TUNER_PHILIPS_FM1216ME_MK3,	"TCL MFPE05 2"},
174 	/* 90-99 */
175 	{ TUNER_ABSENT,			"LG TALN H202T"},
176 	{ TUNER_PHILIPS_FQ1216AME_MK4,	"Philips FQ1216AME MK4"},
177 	{ TUNER_PHILIPS_FQ1236A_MK4,	"Philips FQ1236A MK4"},
178 	{ TUNER_ABSENT,			"Philips FQ1286A MK4"},
179 	{ TUNER_ABSENT,			"Philips FQ1216ME MK5"},
180 	{ TUNER_ABSENT,			"Philips FQ1236 MK5"},
181 	{ TUNER_SAMSUNG_TCPG_6121P30A,	"Samsung TCPG 6121P30A"},
182 	{ TUNER_TCL_2002MB,		"TCL 2002MB_3H"},
183 	{ TUNER_ABSENT,			"TCL 2002MI_3H"},
184 	{ TUNER_TCL_2002N,		"TCL 2002N 5H"},
185 	/* 100-109 */
186 	{ TUNER_PHILIPS_FMD1216ME_MK3,	"Philips FMD1216ME"},
187 	{ TUNER_TEA5767,		"Philips TEA5768HL FM Radio"},
188 	{ TUNER_ABSENT,			"Panasonic ENV57H12D5"},
189 	{ TUNER_PHILIPS_FM1236_MK3,	"TCL MFNM05-4"},
190 	{ TUNER_PHILIPS_FM1236_MK3,	"TCL MNM05-4"},
191 	{ TUNER_PHILIPS_FM1216ME_MK3,	"TCL MPE05-2"},
192 	{ TUNER_ABSENT,			"TCL MQNM05-4"},
193 	{ TUNER_ABSENT,			"LG TAPC-W701D"},
194 	{ TUNER_ABSENT,			"TCL 9886P-WM"},
195 	{ TUNER_ABSENT,			"TCL 1676NM-WM"},
196 	/* 110-119 */
197 	{ TUNER_ABSENT,			"Thompson DTT75105"},
198 	{ TUNER_ABSENT,			"Conexant_CX24109"},
199 	{ TUNER_TCL_2002N,		"TCL M2523_5N_E"},
200 	{ TUNER_TCL_2002MB,		"TCL M2523_3DB_E"},
201 	{ TUNER_ABSENT,			"Philips 8275A"},
202 	{ TUNER_ABSENT,			"Microtune MT2060"},
203 	{ TUNER_PHILIPS_FM1236_MK3,	"Philips FM1236 MK5"},
204 	{ TUNER_PHILIPS_FM1216ME_MK3,	"Philips FM1216ME MK5"},
205 	{ TUNER_ABSENT,			"TCL M2523_3DI_E"},
206 	{ TUNER_ABSENT,			"Samsung THPD5222FG30A"},
207 	/* 120-129 */
208 	{ TUNER_XC2028,			"Xceive XC3028"},
209 	{ TUNER_PHILIPS_FQ1216LME_MK3,	"Philips FQ1216LME MK5"},
210 	{ TUNER_ABSENT,			"Philips FQD1216LME"},
211 	{ TUNER_ABSENT,			"Conexant CX24118A"},
212 	{ TUNER_ABSENT,			"TCL DMF11WIP"},
213 	{ TUNER_ABSENT,			"TCL MFNM05_4H_E"},
214 	{ TUNER_ABSENT,			"TCL MNM05_4H_E"},
215 	{ TUNER_ABSENT,			"TCL MPE05_2H_E"},
216 	{ TUNER_ABSENT,			"TCL MQNM05_4_U"},
217 	{ TUNER_ABSENT,			"TCL M2523_5NH_E"},
218 	/* 130-139 */
219 	{ TUNER_ABSENT,			"TCL M2523_3DBH_E"},
220 	{ TUNER_ABSENT,			"TCL M2523_3DIH_E"},
221 	{ TUNER_ABSENT,			"TCL MFPE05_2_U"},
222 	{ TUNER_PHILIPS_FMD1216MEX_MK3,	"Philips FMD1216MEX"},
223 	{ TUNER_ABSENT,			"Philips FRH2036B"},
224 	{ TUNER_ABSENT,			"Panasonic ENGF75_01GF"},
225 	{ TUNER_ABSENT,			"MaxLinear MXL5005"},
226 	{ TUNER_ABSENT,			"MaxLinear MXL5003"},
227 	{ TUNER_ABSENT,			"Xceive XC2028"},
228 	{ TUNER_ABSENT,			"Microtune MT2131"},
229 	/* 140-149 */
230 	{ TUNER_ABSENT,			"Philips 8275A_8295"},
231 	{ TUNER_ABSENT,			"TCL MF02GIP_5N_E"},
232 	{ TUNER_ABSENT,			"TCL MF02GIP_3DB_E"},
233 	{ TUNER_ABSENT,			"TCL MF02GIP_3DI_E"},
234 	{ TUNER_ABSENT,			"Microtune MT2266"},
235 	{ TUNER_ABSENT,			"TCL MF10WPP_4N_E"},
236 	{ TUNER_ABSENT,			"LG TAPQ_H702F"},
237 	{ TUNER_ABSENT,			"TCL M09WPP_4N_E"},
238 	{ TUNER_ABSENT,			"MaxLinear MXL5005_v2"},
239 	{ TUNER_PHILIPS_TDA8290,	"Philips 18271_8295"},
240 	/* 150-159 */
241 	{ TUNER_XC5000,                 "Xceive XC5000"},
242 	{ TUNER_ABSENT,                 "Xceive XC3028L"},
243 	{ TUNER_ABSENT,                 "NXP 18271C2_716x"},
244 	{ TUNER_ABSENT,                 "Xceive XC4000"},
245 	{ TUNER_ABSENT,                 "Dibcom 7070"},
246 	{ TUNER_PHILIPS_TDA8290,        "NXP 18271C2"},
247 	{ TUNER_ABSENT,                 "Siano SMS1010"},
248 	{ TUNER_ABSENT,                 "Siano SMS1150"},
249 	{ TUNER_ABSENT,                 "MaxLinear 5007"},
250 	{ TUNER_ABSENT,                 "TCL M09WPP_2P_E"},
251 	/* 160-169 */
252 	{ TUNER_ABSENT,                 "Siano SMS1180"},
253 	{ TUNER_ABSENT,                 "Maxim_MAX2165"},
254 	{ TUNER_ABSENT,                 "Siano SMS1140"},
255 	{ TUNER_ABSENT,                 "Siano SMS1150 B1"},
256 	{ TUNER_ABSENT,                 "MaxLinear 111"},
257 	{ TUNER_ABSENT,                 "Dibcom 7770"},
258 	{ TUNER_ABSENT,                 "Siano SMS1180VNS"},
259 	{ TUNER_ABSENT,                 "Siano SMS1184"},
260 	{ TUNER_PHILIPS_FQ1236_MK5,	"TCL M30WTP-4N-E"},
261 	{ TUNER_ABSENT,                 "TCL_M11WPP_2PN_E"},
262 	/* 170-179 */
263 	{ TUNER_ABSENT,                 "MaxLinear 301"},
264 	{ TUNER_ABSENT,                 "Mirics MSi001"},
265 	{ TUNER_ABSENT,                 "MaxLinear MxL241SF"},
266 	{ TUNER_XC5000C,                "Xceive XC5000C"},
267 	{ TUNER_ABSENT,                 "Montage M68TS2020"},
268 	{ TUNER_ABSENT,                 "Siano SMS1530"},
269 	{ TUNER_ABSENT,                 "Dibcom 7090"},
270 	{ TUNER_ABSENT,                 "Xceive XC5200C"},
271 	{ TUNER_ABSENT,                 "NXP 18273"},
272 	{ TUNER_ABSENT,                 "Montage M88TS2022"},
273 	/* 180-188 */
274 	{ TUNER_ABSENT,                 "NXP 18272M"},
275 	{ TUNER_ABSENT,                 "NXP 18272S"},
276 
277 	{ TUNER_ABSENT,                 "Mirics MSi003"},
278 	{ TUNER_ABSENT,                 "MaxLinear MxL256"},
279 	{ TUNER_ABSENT,                 "SiLabs Si2158"},
280 	{ TUNER_ABSENT,                 "SiLabs Si2178"},
281 	{ TUNER_ABSENT,                 "SiLabs Si2157"},
282 	{ TUNER_ABSENT,                 "SiLabs Si2177"},
283 	{ TUNER_ABSENT,                 "ITE IT9137FN"},
284 };
285 
286 /* Use TVEEPROM_AUDPROC_INTERNAL for those audio 'chips' that are
287  * internal to a video chip, i.e. not a separate audio chip. */
288 static const struct {
289 	u32   id;
290 	const char * const name;
291 } audio_ic[] = {
292 	/* 0-4 */
293 	{ TVEEPROM_AUDPROC_NONE,  "None"      },
294 	{ TVEEPROM_AUDPROC_OTHER, "TEA6300"   },
295 	{ TVEEPROM_AUDPROC_OTHER, "TEA6320"   },
296 	{ TVEEPROM_AUDPROC_OTHER, "TDA9850"   },
297 	{ TVEEPROM_AUDPROC_MSP,   "MSP3400C"  },
298 	/* 5-9 */
299 	{ TVEEPROM_AUDPROC_MSP,   "MSP3410D"  },
300 	{ TVEEPROM_AUDPROC_MSP,   "MSP3415"   },
301 	{ TVEEPROM_AUDPROC_MSP,   "MSP3430"   },
302 	{ TVEEPROM_AUDPROC_MSP,   "MSP3438"   },
303 	{ TVEEPROM_AUDPROC_OTHER, "CS5331"    },
304 	/* 10-14 */
305 	{ TVEEPROM_AUDPROC_MSP,   "MSP3435"   },
306 	{ TVEEPROM_AUDPROC_MSP,   "MSP3440"   },
307 	{ TVEEPROM_AUDPROC_MSP,   "MSP3445"   },
308 	{ TVEEPROM_AUDPROC_MSP,   "MSP3411"   },
309 	{ TVEEPROM_AUDPROC_MSP,   "MSP3416"   },
310 	/* 15-19 */
311 	{ TVEEPROM_AUDPROC_MSP,   "MSP3425"   },
312 	{ TVEEPROM_AUDPROC_MSP,   "MSP3451"   },
313 	{ TVEEPROM_AUDPROC_MSP,   "MSP3418"   },
314 	{ TVEEPROM_AUDPROC_OTHER, "Type 0x12" },
315 	{ TVEEPROM_AUDPROC_OTHER, "OKI7716"   },
316 	/* 20-24 */
317 	{ TVEEPROM_AUDPROC_MSP,   "MSP4410"   },
318 	{ TVEEPROM_AUDPROC_MSP,   "MSP4420"   },
319 	{ TVEEPROM_AUDPROC_MSP,   "MSP4440"   },
320 	{ TVEEPROM_AUDPROC_MSP,   "MSP4450"   },
321 	{ TVEEPROM_AUDPROC_MSP,   "MSP4408"   },
322 	/* 25-29 */
323 	{ TVEEPROM_AUDPROC_MSP,   "MSP4418"   },
324 	{ TVEEPROM_AUDPROC_MSP,   "MSP4428"   },
325 	{ TVEEPROM_AUDPROC_MSP,   "MSP4448"   },
326 	{ TVEEPROM_AUDPROC_MSP,   "MSP4458"   },
327 	{ TVEEPROM_AUDPROC_MSP,   "Type 0x1d" },
328 	/* 30-34 */
329 	{ TVEEPROM_AUDPROC_INTERNAL, "CX880"     },
330 	{ TVEEPROM_AUDPROC_INTERNAL, "CX881"     },
331 	{ TVEEPROM_AUDPROC_INTERNAL, "CX883"     },
332 	{ TVEEPROM_AUDPROC_INTERNAL, "CX882"     },
333 	{ TVEEPROM_AUDPROC_INTERNAL, "CX25840"   },
334 	/* 35-39 */
335 	{ TVEEPROM_AUDPROC_INTERNAL, "CX25841"   },
336 	{ TVEEPROM_AUDPROC_INTERNAL, "CX25842"   },
337 	{ TVEEPROM_AUDPROC_INTERNAL, "CX25843"   },
338 	{ TVEEPROM_AUDPROC_INTERNAL, "CX23418"   },
339 	{ TVEEPROM_AUDPROC_INTERNAL, "CX23885"   },
340 	/* 40-44 */
341 	{ TVEEPROM_AUDPROC_INTERNAL, "CX23888"   },
342 	{ TVEEPROM_AUDPROC_INTERNAL, "SAA7131"   },
343 	{ TVEEPROM_AUDPROC_INTERNAL, "CX23887"   },
344 	{ TVEEPROM_AUDPROC_INTERNAL, "SAA7164"   },
345 	{ TVEEPROM_AUDPROC_INTERNAL, "AU8522"    },
346 	/* 45-49 */
347 	{ TVEEPROM_AUDPROC_INTERNAL, "AVF4910B"  },
348 	{ TVEEPROM_AUDPROC_INTERNAL, "SAA7231"   },
349 	{ TVEEPROM_AUDPROC_INTERNAL, "CX23102"   },
350 	{ TVEEPROM_AUDPROC_INTERNAL, "SAA7163"   },
351 	{ TVEEPROM_AUDPROC_OTHER,    "AK4113"    },
352 	/* 50-52 */
353 	{ TVEEPROM_AUDPROC_OTHER,    "CS5340"    },
354 	{ TVEEPROM_AUDPROC_OTHER,    "CS8416"    },
355 	{ TVEEPROM_AUDPROC_OTHER,    "CX20810"   },
356 };
357 
358 /* This list is supplied by Hauppauge. Thanks! */
359 static const char *decoderIC[] = {
360 	/* 0-4 */
361 	"None", "BT815", "BT817", "BT819", "BT815A",
362 	/* 5-9 */
363 	"BT817A", "BT819A", "BT827", "BT829", "BT848",
364 	/* 10-14 */
365 	"BT848A", "BT849A", "BT829A", "BT827A", "BT878",
366 	/* 15-19 */
367 	"BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
368 	/* 20-24 */
369 	"CX880", "CX881", "CX883", "SAA7111", "SAA7113",
370 	/* 25-29 */
371 	"CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
372 	/* 30-34 */
373 	"CX25843", "CX23418", "NEC61153", "CX23885", "CX23888",
374 	/* 35-39 */
375 	"SAA7131", "CX25837", "CX23887", "CX23885A", "CX23887A",
376 	/* 40-44 */
377 	"SAA7164", "CX23885B", "AU8522", "ADV7401", "AVF4910B",
378 	/* 45-49 */
379 	"SAA7231", "CX23102", "SAA7163", "ADV7441A", "ADV7181C",
380 	/* 50-53 */
381 	"CX25836", "TDA9955", "TDA19977", "ADV7842"
382 };
383 
384 static int hasRadioTuner(int tunerType)
385 {
386 	switch (tunerType) {
387 	case 18: /* PNPEnv_TUNER_FR1236_MK2 */
388 	case 23: /* PNPEnv_TUNER_FM1236 */
389 	case 38: /* PNPEnv_TUNER_FMR1236 */
390 	case 16: /* PNPEnv_TUNER_FR1216_MK2 */
391 	case 19: /* PNPEnv_TUNER_FR1246_MK2 */
392 	case 21: /* PNPEnv_TUNER_FM1216 */
393 	case 24: /* PNPEnv_TUNER_FM1246 */
394 	case 17: /* PNPEnv_TUNER_FR1216MF_MK2 */
395 	case 22: /* PNPEnv_TUNER_FM1216MF */
396 	case 20: /* PNPEnv_TUNER_FR1256_MK2 */
397 	case 25: /* PNPEnv_TUNER_FM1256 */
398 	case 33: /* PNPEnv_TUNER_4039FR5 */
399 	case 42: /* PNPEnv_TUNER_4009FR5 */
400 	case 52: /* PNPEnv_TUNER_4049FM5 */
401 	case 54: /* PNPEnv_TUNER_4049FM5_AltI2C */
402 	case 44: /* PNPEnv_TUNER_4009FN5 */
403 	case 31: /* PNPEnv_TUNER_TCPB9085P */
404 	case 30: /* PNPEnv_TUNER_TCPN9085D */
405 	case 46: /* PNPEnv_TUNER_TP18NSR01F */
406 	case 47: /* PNPEnv_TUNER_TP18PSB01D */
407 	case 49: /* PNPEnv_TUNER_TAPC_I001D */
408 	case 60: /* PNPEnv_TUNER_TAPE_S001D_MK3 */
409 	case 57: /* PNPEnv_TUNER_FM1216ME_MK3 */
410 	case 59: /* PNPEnv_TUNER_FM1216MP_MK3 */
411 	case 58: /* PNPEnv_TUNER_FM1236_MK3 */
412 	case 68: /* PNPEnv_TUNER_TAPE_H001F_MK3 */
413 	case 61: /* PNPEnv_TUNER_TAPE_M001D_MK3 */
414 	case 78: /* PNPEnv_TUNER_TDA8275C1_8290_FM */
415 	case 89: /* PNPEnv_TUNER_TCL_MFPE05_2 */
416 	case 92: /* PNPEnv_TUNER_PHILIPS_FQ1236A_MK4 */
417 	case 105:
418 		return 1;
419 	}
420 	return 0;
421 }
422 
423 void tveeprom_hauppauge_analog(struct tveeprom *tvee,
424 			       unsigned char *eeprom_data)
425 {
426 	/* ----------------------------------------------
427 	** The hauppauge eeprom format is tagged
428 	**
429 	** if packet[0] == 0x84, then packet[0..1] == length
430 	** else length = packet[0] & 3f;
431 	** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
432 	**
433 	** In our (ivtv) case we're interested in the following:
434 	** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
435 	** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into
436 	**		 hauppauge_tuner_fmt)
437 	** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
438 	** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
439 	** decoder proc: tag [09].01)
440 
441 	** Fun info:
442 	** model:      tag [00].07-08 or [06].00-01
443 	** revision:   tag [00].09-0b or [06].04-06
444 	** serial#:    tag [01].05-07 or [04].04-06
445 
446 	** # of inputs/outputs ???
447 	*/
448 
449 	int i, j, len, done, beenhere, tag, start;
450 
451 	int tuner1 = 0, t_format1 = 0, audioic = -1;
452 	const char *t_name1 = NULL;
453 	const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
454 
455 	int tuner2 = 0, t_format2 = 0;
456 	const char *t_name2 = NULL;
457 	const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
458 
459 	memset(tvee, 0, sizeof(*tvee));
460 	tvee->tuner_type = TUNER_ABSENT;
461 	tvee->tuner2_type = TUNER_ABSENT;
462 
463 	done = len = beenhere = 0;
464 
465 	/* Different eeprom start offsets for em28xx, cx2388x and cx23418 */
466 	if (eeprom_data[0] == 0x1a &&
467 	    eeprom_data[1] == 0xeb &&
468 	    eeprom_data[2] == 0x67 &&
469 	    eeprom_data[3] == 0x95)
470 		start = 0xa0; /* Generic em28xx offset */
471 	else if ((eeprom_data[0] & 0xe1) == 0x01 &&
472 		 eeprom_data[1] == 0x00 &&
473 		 eeprom_data[2] == 0x00 &&
474 		 eeprom_data[8] == 0x84)
475 		start = 8; /* Generic cx2388x offset */
476 	else if (eeprom_data[1] == 0x70 &&
477 		 eeprom_data[2] == 0x00 &&
478 		 eeprom_data[4] == 0x74 &&
479 		 eeprom_data[8] == 0x84)
480 		start = 8; /* Generic cx23418 offset (models 74xxx) */
481 	else
482 		start = 0;
483 
484 	for (i = start; !done && i < 256; i += len) {
485 		if (eeprom_data[i] == 0x84) {
486 			len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
487 			i += 3;
488 		} else if ((eeprom_data[i] & 0xf0) == 0x70) {
489 			if (eeprom_data[i] & 0x08) {
490 				/* verify checksum! */
491 				done = 1;
492 				break;
493 			}
494 			len = eeprom_data[i] & 0x07;
495 			++i;
496 		} else {
497 			pr_warn("Encountered bad packet header [%02x]. Corrupt or not a Hauppauge eeprom.\n",
498 				eeprom_data[i]);
499 			return;
500 		}
501 
502 		pr_debug("Tag [%02x] + %d bytes: %*ph\n",
503 			eeprom_data[i], len - 1, len, &eeprom_data[i]);
504 
505 		/* process by tag */
506 		tag = eeprom_data[i];
507 		switch (tag) {
508 		case 0x00:
509 			/* tag: 'Comprehensive' */
510 			tuner1 = eeprom_data[i+6];
511 			t_format1 = eeprom_data[i+5];
512 			tvee->has_radio = eeprom_data[i+len-1];
513 			/* old style tag, don't know how to detect
514 			IR presence, mark as unknown. */
515 			tvee->has_ir = 0;
516 			tvee->model =
517 				eeprom_data[i+8] +
518 				(eeprom_data[i+9] << 8);
519 			tvee->revision = eeprom_data[i+10] +
520 				(eeprom_data[i+11] << 8) +
521 				(eeprom_data[i+12] << 16);
522 			break;
523 
524 		case 0x01:
525 			/* tag: 'SerialID' */
526 			tvee->serial_number =
527 				eeprom_data[i+6] +
528 				(eeprom_data[i+7] << 8) +
529 				(eeprom_data[i+8] << 16);
530 			break;
531 
532 		case 0x02:
533 			/* tag 'AudioInfo'
534 			Note mask with 0x7F, high bit used on some older models
535 			to indicate 4052 mux was removed in favor of using MSP
536 			inputs directly. */
537 			audioic = eeprom_data[i+2] & 0x7f;
538 			if (audioic < ARRAY_SIZE(audio_ic))
539 				tvee->audio_processor = audio_ic[audioic].id;
540 			else
541 				tvee->audio_processor = TVEEPROM_AUDPROC_OTHER;
542 			break;
543 
544 		/* case 0x03: tag 'EEInfo' */
545 
546 		case 0x04:
547 			/* tag 'SerialID2' */
548 			tvee->serial_number =
549 				eeprom_data[i+5] +
550 				(eeprom_data[i+6] << 8) +
551 				(eeprom_data[i+7] << 16)+
552 				(eeprom_data[i+8] << 24);
553 
554 			if (eeprom_data[i + 8] == 0xf0) {
555 				tvee->MAC_address[0] = 0x00;
556 				tvee->MAC_address[1] = 0x0D;
557 				tvee->MAC_address[2] = 0xFE;
558 				tvee->MAC_address[3] = eeprom_data[i + 7];
559 				tvee->MAC_address[4] = eeprom_data[i + 6];
560 				tvee->MAC_address[5] = eeprom_data[i + 5];
561 				tvee->has_MAC_address = 1;
562 			}
563 			break;
564 
565 		case 0x05:
566 			/* tag 'Audio2'
567 			Note mask with 0x7F, high bit used on some older models
568 			to indicate 4052 mux was removed in favor of using MSP
569 			inputs directly. */
570 			audioic = eeprom_data[i+1] & 0x7f;
571 			if (audioic < ARRAY_SIZE(audio_ic))
572 				tvee->audio_processor = audio_ic[audioic].id;
573 			else
574 				tvee->audio_processor = TVEEPROM_AUDPROC_OTHER;
575 
576 			break;
577 
578 		case 0x06:
579 			/* tag 'ModelRev' */
580 			tvee->model =
581 				eeprom_data[i + 1] +
582 				(eeprom_data[i + 2] << 8) +
583 				(eeprom_data[i + 3] << 16) +
584 				(eeprom_data[i + 4] << 24);
585 			tvee->revision =
586 				eeprom_data[i + 5] +
587 				(eeprom_data[i + 6] << 8) +
588 				(eeprom_data[i + 7] << 16);
589 			break;
590 
591 		case 0x07:
592 			/* tag 'Details': according to Hauppauge not interesting
593 			on any PCI-era or later boards. */
594 			break;
595 
596 		/* there is no tag 0x08 defined */
597 
598 		case 0x09:
599 			/* tag 'Video' */
600 			tvee->decoder_processor = eeprom_data[i + 1];
601 			break;
602 
603 		case 0x0a:
604 			/* tag 'Tuner' */
605 			if (beenhere == 0) {
606 				tuner1 = eeprom_data[i + 2];
607 				t_format1 = eeprom_data[i + 1];
608 				beenhere = 1;
609 			} else {
610 				/* a second (radio) tuner may be present */
611 				tuner2 = eeprom_data[i + 2];
612 				t_format2 = eeprom_data[i + 1];
613 				/* not a TV tuner? */
614 				if (t_format2 == 0)
615 					tvee->has_radio = 1; /* must be radio */
616 			}
617 			break;
618 
619 		case 0x0b:
620 			/* tag 'Inputs': according to Hauppauge this is specific
621 			to each driver family, so no good assumptions can be
622 			made. */
623 			break;
624 
625 		/* case 0x0c: tag 'Balun' */
626 		/* case 0x0d: tag 'Teletext' */
627 
628 		case 0x0e:
629 			/* tag: 'Radio' */
630 			tvee->has_radio = eeprom_data[i+1];
631 			break;
632 
633 		case 0x0f:
634 			/* tag 'IRInfo' */
635 			tvee->has_ir = 1 | (eeprom_data[i+1] << 1);
636 			break;
637 
638 		/* case 0x10: tag 'VBIInfo' */
639 		/* case 0x11: tag 'QCInfo' */
640 		/* case 0x12: tag 'InfoBits' */
641 
642 		default:
643 			pr_debug("Not sure what to do with tag [%02x]\n",
644 					tag);
645 			/* dump the rest of the packet? */
646 		}
647 	}
648 
649 	if (!done) {
650 		pr_warn("Ran out of data!\n");
651 		return;
652 	}
653 
654 	if (tvee->revision != 0) {
655 		tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
656 		tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
657 		tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
658 		tvee->rev_str[3] = 32 + (tvee->revision & 0x3f);
659 		tvee->rev_str[4] = 0;
660 	}
661 
662 	if (hasRadioTuner(tuner1) && !tvee->has_radio) {
663 		pr_info("The eeprom says no radio is present, but the tuner type\n");
664 		pr_info("indicates otherwise. I will assume that radio is present.\n");
665 		tvee->has_radio = 1;
666 	}
667 
668 	if (tuner1 < ARRAY_SIZE(hauppauge_tuner)) {
669 		tvee->tuner_type = hauppauge_tuner[tuner1].id;
670 		t_name1 = hauppauge_tuner[tuner1].name;
671 	} else {
672 		t_name1 = "unknown";
673 	}
674 
675 	if (tuner2 < ARRAY_SIZE(hauppauge_tuner)) {
676 		tvee->tuner2_type = hauppauge_tuner[tuner2].id;
677 		t_name2 = hauppauge_tuner[tuner2].name;
678 	} else {
679 		t_name2 = "unknown";
680 	}
681 
682 	tvee->tuner_hauppauge_model = tuner1;
683 	tvee->tuner2_hauppauge_model = tuner2;
684 	tvee->tuner_formats = 0;
685 	tvee->tuner2_formats = 0;
686 	for (i = j = 0; i < 8; i++) {
687 		if (t_format1 & (1 << i)) {
688 			tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
689 			t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
690 		}
691 	}
692 	for (i = j = 0; i < 8; i++) {
693 		if (t_format2 & (1 << i)) {
694 			tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
695 			t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
696 		}
697 	}
698 
699 	pr_info("Hauppauge model %d, rev %s, serial# %u\n",
700 		tvee->model, tvee->rev_str, tvee->serial_number);
701 	if (tvee->has_MAC_address == 1)
702 		pr_info("MAC address is %pM\n", tvee->MAC_address);
703 	pr_info("tuner model is %s (idx %d, type %d)\n",
704 		t_name1, tuner1, tvee->tuner_type);
705 	pr_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
706 		t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2],
707 		t_fmt_name1[3],	t_fmt_name1[4], t_fmt_name1[5],
708 		t_fmt_name1[6], t_fmt_name1[7],	t_format1);
709 	if (tuner2)
710 		pr_info("second tuner model is %s (idx %d, type %d)\n",
711 					t_name2, tuner2, tvee->tuner2_type);
712 	if (t_format2)
713 		pr_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
714 			t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2],
715 			t_fmt_name2[3],	t_fmt_name2[4], t_fmt_name2[5],
716 			t_fmt_name2[6], t_fmt_name2[7], t_format2);
717 	if (audioic < 0) {
718 		pr_info("audio processor is unknown (no idx)\n");
719 		tvee->audio_processor = TVEEPROM_AUDPROC_OTHER;
720 	} else {
721 		if (audioic < ARRAY_SIZE(audio_ic))
722 			pr_info("audio processor is %s (idx %d)\n",
723 					audio_ic[audioic].name, audioic);
724 		else
725 			pr_info("audio processor is unknown (idx %d)\n",
726 								audioic);
727 	}
728 	if (tvee->decoder_processor)
729 		pr_info("decoder processor is %s (idx %d)\n",
730 			STRM(decoderIC, tvee->decoder_processor),
731 			tvee->decoder_processor);
732 	if (tvee->has_ir)
733 		pr_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
734 				tvee->has_radio ? "" : "no ",
735 				(tvee->has_ir & 2) ? "" : "no ",
736 				(tvee->has_ir & 4) ? "" : "no ");
737 	else
738 		pr_info("has %sradio\n",
739 				tvee->has_radio ? "" : "no ");
740 }
741 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
742 
743 /* ----------------------------------------------------------------------- */
744 /* generic helper functions                                                */
745 
746 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
747 {
748 	unsigned char buf;
749 	int err;
750 
751 	buf = 0;
752 	err = i2c_master_send(c, &buf, 1);
753 	if (err != 1) {
754 		pr_info("Huh, no eeprom present (err=%d)?\n", err);
755 		return -1;
756 	}
757 	err = i2c_master_recv(c, eedata, len);
758 	if (err != len) {
759 		pr_warn("i2c eeprom read error (err=%d)\n", err);
760 		return -1;
761 	}
762 
763 	print_hex_dump_debug("full 256-byte eeprom dump:", DUMP_PREFIX_NONE,
764 			     16, 1, eedata, len, true);
765 	return 0;
766 }
767 EXPORT_SYMBOL(tveeprom_read);
768