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Avoid beyond bounds copy while caching ACL
[zen-stable.git] / drivers / media / video / tveeprom.c
blob6103d1b1081ee9e713746f3bd9e5dbde62e5e1ee
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 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 */
30
31
32 #include <linux/module.h>
33 #include <linux/errno.h>
34 #include <linux/kernel.h>
35 #include <linux/init.h>
36 #include <linux/types.h>
37 #include <linux/videodev2.h>
38 #include <linux/i2c.h>
39
40 #include <media/tuner.h>
41 #include <media/tveeprom.h>
42 #include <media/v4l2-common.h>
43 #include <media/v4l2-chip-ident.h>
44
45 MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
46 MODULE_AUTHOR("John Klar");
47 MODULE_LICENSE("GPL");
48
49 static int debug;
50 module_param(debug, int, 0644);
51 MODULE_PARM_DESC(debug, "Debug level (0-1)");
52
53 #define STRM(array, i) \
54 (i < sizeof(array) / sizeof(char *) ? array[i] : "unknown")
55
56 #define tveeprom_info(fmt, arg...) \
57 v4l_printk(KERN_INFO, "tveeprom", c->adapter, c->addr, fmt , ## arg)
58 #define tveeprom_warn(fmt, arg...) \
59 v4l_printk(KERN_WARNING, "tveeprom", c->adapter, c->addr, fmt , ## arg)
60 #define tveeprom_dbg(fmt, arg...) do { \
61 if (debug) \
62 v4l_printk(KERN_DEBUG, "tveeprom", \
63 c->adapter, c->addr, fmt , ## arg); \
64 } while (0)
65
66 /*
67 * The Hauppauge eeprom uses an 8bit field to determine which
68 * tuner formats the tuner supports.
69 */
70 static struct HAUPPAUGE_TUNER_FMT
71 {
72 int id;
73 char *name;
74 }
75 hauppauge_tuner_fmt[] =
76 {
77 { V4L2_STD_UNKNOWN, " UNKNOWN" },
78 { V4L2_STD_UNKNOWN, " FM" },
79 { V4L2_STD_B|V4L2_STD_GH, " PAL(B/G)" },
80 { V4L2_STD_MN, " NTSC(M)" },
81 { V4L2_STD_PAL_I, " PAL(I)" },
82 { V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, " SECAM(L/L')" },
83 { V4L2_STD_DK, " PAL(D/D1/K)" },
84 { V4L2_STD_ATSC, " ATSC/DVB Digital" },
85 };
86
87 /* This is the full list of possible tuners. Many thanks to Hauppauge for
88 supplying this information. Note that many tuners where only used for
89 testing and never made it to the outside world. So you will only see
90 a subset in actual produced cards. */
91 static struct HAUPPAUGE_TUNER
92 {
93 int id;
94 char *name;
95 }
96 hauppauge_tuner[] =
97 {
98 /* 0-9 */
99 { TUNER_ABSENT, "None" },
100 { TUNER_ABSENT, "External" },
101 { TUNER_ABSENT, "Unspecified" },
102 { TUNER_PHILIPS_PAL, "Philips FI1216" },
103 { TUNER_PHILIPS_SECAM, "Philips FI1216MF" },
104 { TUNER_PHILIPS_NTSC, "Philips FI1236" },
105 { TUNER_PHILIPS_PAL_I, "Philips FI1246" },
106 { TUNER_PHILIPS_PAL_DK, "Philips FI1256" },
107 { TUNER_PHILIPS_PAL, "Philips FI1216 MK2" },
108 { TUNER_PHILIPS_SECAM, "Philips FI1216MF MK2" },
109 /* 10-19 */
110 { TUNER_PHILIPS_NTSC, "Philips FI1236 MK2" },
111 { TUNER_PHILIPS_PAL_I, "Philips FI1246 MK2" },
112 { TUNER_PHILIPS_PAL_DK, "Philips FI1256 MK2" },
113 { TUNER_TEMIC_NTSC, "Temic 4032FY5" },
114 { TUNER_TEMIC_PAL, "Temic 4002FH5" },
115 { TUNER_TEMIC_PAL_I, "Temic 4062FY5" },
116 { TUNER_PHILIPS_PAL, "Philips FR1216 MK2" },
117 { TUNER_PHILIPS_SECAM, "Philips FR1216MF MK2" },
118 { TUNER_PHILIPS_NTSC, "Philips FR1236 MK2" },
119 { TUNER_PHILIPS_PAL_I, "Philips FR1246 MK2" },
120 /* 20-29 */
121 { TUNER_PHILIPS_PAL_DK, "Philips FR1256 MK2" },
122 { TUNER_PHILIPS_PAL, "Philips FM1216" },
123 { TUNER_PHILIPS_SECAM, "Philips FM1216MF" },
124 { TUNER_PHILIPS_NTSC, "Philips FM1236" },
125 { TUNER_PHILIPS_PAL_I, "Philips FM1246" },
126 { TUNER_PHILIPS_PAL_DK, "Philips FM1256" },
127 { TUNER_TEMIC_4036FY5_NTSC, "Temic 4036FY5" },
128 { TUNER_ABSENT, "Samsung TCPN9082D" },
129 { TUNER_ABSENT, "Samsung TCPM9092P" },
130 { TUNER_TEMIC_4006FH5_PAL, "Temic 4006FH5" },
131 /* 30-39 */
132 { TUNER_ABSENT, "Samsung TCPN9085D" },
133 { TUNER_ABSENT, "Samsung TCPB9085P" },
134 { TUNER_ABSENT, "Samsung TCPL9091P" },
135 { TUNER_TEMIC_4039FR5_NTSC, "Temic 4039FR5" },
136 { TUNER_PHILIPS_FQ1216ME, "Philips FQ1216 ME" },
137 { TUNER_TEMIC_4066FY5_PAL_I, "Temic 4066FY5" },
138 { TUNER_PHILIPS_NTSC, "Philips TD1536" },
139 { TUNER_PHILIPS_NTSC, "Philips TD1536D" },
140 { TUNER_PHILIPS_NTSC, "Philips FMR1236" }, /* mono radio */
141 { TUNER_ABSENT, "Philips FI1256MP" },
142 /* 40-49 */
143 { TUNER_ABSENT, "Samsung TCPQ9091P" },
144 { TUNER_TEMIC_4006FN5_MULTI_PAL, "Temic 4006FN5" },
145 { TUNER_TEMIC_4009FR5_PAL, "Temic 4009FR5" },
146 { TUNER_TEMIC_4046FM5, "Temic 4046FM5" },
147 { TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" },
148 { TUNER_ABSENT, "Philips TD1536D FH 44"},
149 { TUNER_LG_NTSC_FM, "LG TP18NSR01F"},
150 { TUNER_LG_PAL_FM, "LG TP18PSB01D"},
151 { TUNER_LG_PAL, "LG TP18PSB11D"},
152 { TUNER_LG_PAL_I_FM, "LG TAPC-I001D"},
153 /* 50-59 */
154 { TUNER_LG_PAL_I, "LG TAPC-I701D"},
155 { TUNER_ABSENT, "Temic 4042FI5"},
156 { TUNER_MICROTUNE_4049FM5, "Microtune 4049 FM5"},
157 { TUNER_ABSENT, "LG TPI8NSR11F"},
158 { TUNER_ABSENT, "Microtune 4049 FM5 Alt I2C"},
159 { TUNER_PHILIPS_FM1216ME_MK3, "Philips FQ1216ME MK3"},
160 { TUNER_ABSENT, "Philips FI1236 MK3"},
161 { TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216 ME MK3"},
162 { TUNER_PHILIPS_FM1236_MK3, "Philips FM1236 MK3"},
163 { TUNER_ABSENT, "Philips FM1216MP MK3"},
164 /* 60-69 */
165 { TUNER_PHILIPS_FM1216ME_MK3, "LG S001D MK3"},
166 { TUNER_ABSENT, "LG M001D MK3"},
167 { TUNER_PHILIPS_FM1216ME_MK3, "LG S701D MK3"},
168 { TUNER_ABSENT, "LG M701D MK3"},
169 { TUNER_ABSENT, "Temic 4146FM5"},
170 { TUNER_ABSENT, "Temic 4136FY5"},
171 { TUNER_ABSENT, "Temic 4106FH5"},
172 { TUNER_ABSENT, "Philips FQ1216LMP MK3"},
173 { TUNER_LG_NTSC_TAPE, "LG TAPE H001F MK3"},
174 { TUNER_LG_NTSC_TAPE, "LG TAPE H701F MK3"},
175 /* 70-79 */
176 { TUNER_ABSENT, "LG TALN H200T"},
177 { TUNER_ABSENT, "LG TALN H250T"},
178 { TUNER_ABSENT, "LG TALN M200T"},
179 { TUNER_ABSENT, "LG TALN Z200T"},
180 { TUNER_ABSENT, "LG TALN S200T"},
181 { TUNER_ABSENT, "Thompson DTT7595"},
182 { TUNER_ABSENT, "Thompson DTT7592"},
183 { TUNER_ABSENT, "Silicon TDA8275C1 8290"},
184 { TUNER_ABSENT, "Silicon TDA8275C1 8290 FM"},
185 { TUNER_ABSENT, "Thompson DTT757"},
186 /* 80-89 */
187 { TUNER_PHILIPS_FQ1216LME_MK3, "Philips FQ1216LME MK3"},
188 { TUNER_LG_PAL_NEW_TAPC, "LG TAPC G701D"},
189 { TUNER_LG_NTSC_NEW_TAPC, "LG TAPC H791F"},
190 { TUNER_LG_PAL_NEW_TAPC, "TCL 2002MB 3"},
191 { TUNER_LG_PAL_NEW_TAPC, "TCL 2002MI 3"},
192 { TUNER_TCL_2002N, "TCL 2002N 6A"},
193 { TUNER_PHILIPS_FM1236_MK3, "Philips FQ1236 MK3"},
194 { TUNER_SAMSUNG_TCPN_2121P30A, "Samsung TCPN 2121P30A"},
195 { TUNER_ABSENT, "Samsung TCPE 4121P30A"},
196 { TUNER_PHILIPS_FM1216ME_MK3, "TCL MFPE05 2"},
197 /* 90-99 */
198 { TUNER_ABSENT, "LG TALN H202T"},
199 { TUNER_PHILIPS_FQ1216AME_MK4, "Philips FQ1216AME MK4"},
200 { TUNER_PHILIPS_FQ1236A_MK4, "Philips FQ1236A MK4"},
201 { TUNER_ABSENT, "Philips FQ1286A MK4"},
202 { TUNER_ABSENT, "Philips FQ1216ME MK5"},
203 { TUNER_ABSENT, "Philips FQ1236 MK5"},
204 { TUNER_SAMSUNG_TCPG_6121P30A, "Samsung TCPG 6121P30A"},
205 { TUNER_TCL_2002MB, "TCL 2002MB_3H"},
206 { TUNER_ABSENT, "TCL 2002MI_3H"},
207 { TUNER_TCL_2002N, "TCL 2002N 5H"},
208 /* 100-109 */
209 { TUNER_PHILIPS_FMD1216ME_MK3, "Philips FMD1216ME"},
210 { TUNER_TEA5767, "Philips TEA5768HL FM Radio"},
211 { TUNER_ABSENT, "Panasonic ENV57H12D5"},
212 { TUNER_PHILIPS_FM1236_MK3, "TCL MFNM05-4"},
213 { TUNER_PHILIPS_FM1236_MK3, "TCL MNM05-4"},
214 { TUNER_PHILIPS_FM1216ME_MK3, "TCL MPE05-2"},
215 { TUNER_ABSENT, "TCL MQNM05-4"},
216 { TUNER_ABSENT, "LG TAPC-W701D"},
217 { TUNER_ABSENT, "TCL 9886P-WM"},
218 { TUNER_ABSENT, "TCL 1676NM-WM"},
219 /* 110-119 */
220 { TUNER_ABSENT, "Thompson DTT75105"},
221 { TUNER_ABSENT, "Conexant_CX24109"},
222 { TUNER_TCL_2002N, "TCL M2523_5N_E"},
223 { TUNER_TCL_2002MB, "TCL M2523_3DB_E"},
224 { TUNER_ABSENT, "Philips 8275A"},
225 { TUNER_ABSENT, "Microtune MT2060"},
226 { TUNER_PHILIPS_FM1236_MK3, "Philips FM1236 MK5"},
227 { TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216ME MK5"},
228 { TUNER_ABSENT, "TCL M2523_3DI_E"},
229 { TUNER_ABSENT, "Samsung THPD5222FG30A"},
230 /* 120-129 */
231 { TUNER_XC2028, "Xceive XC3028"},
232 { TUNER_PHILIPS_FQ1216LME_MK3, "Philips FQ1216LME MK5"},
233 { TUNER_ABSENT, "Philips FQD1216LME"},
234 { TUNER_ABSENT, "Conexant CX24118A"},
235 { TUNER_ABSENT, "TCL DMF11WIP"},
236 { TUNER_ABSENT, "TCL MFNM05_4H_E"},
237 { TUNER_ABSENT, "TCL MNM05_4H_E"},
238 { TUNER_ABSENT, "TCL MPE05_2H_E"},
239 { TUNER_ABSENT, "TCL MQNM05_4_U"},
240 { TUNER_ABSENT, "TCL M2523_5NH_E"},
241 /* 130-139 */
242 { TUNER_ABSENT, "TCL M2523_3DBH_E"},
243 { TUNER_ABSENT, "TCL M2523_3DIH_E"},
244 { TUNER_ABSENT, "TCL MFPE05_2_U"},
245 { TUNER_PHILIPS_FMD1216MEX_MK3, "Philips FMD1216MEX"},
246 { TUNER_ABSENT, "Philips FRH2036B"},
247 { TUNER_ABSENT, "Panasonic ENGF75_01GF"},
248 { TUNER_ABSENT, "MaxLinear MXL5005"},
249 { TUNER_ABSENT, "MaxLinear MXL5003"},
250 { TUNER_ABSENT, "Xceive XC2028"},
251 { TUNER_ABSENT, "Microtune MT2131"},
252 /* 140-149 */
253 { TUNER_ABSENT, "Philips 8275A_8295"},
254 { TUNER_ABSENT, "TCL MF02GIP_5N_E"},
255 { TUNER_ABSENT, "TCL MF02GIP_3DB_E"},
256 { TUNER_ABSENT, "TCL MF02GIP_3DI_E"},
257 { TUNER_ABSENT, "Microtune MT2266"},
258 { TUNER_ABSENT, "TCL MF10WPP_4N_E"},
259 { TUNER_ABSENT, "LG TAPQ_H702F"},
260 { TUNER_ABSENT, "TCL M09WPP_4N_E"},
261 { TUNER_ABSENT, "MaxLinear MXL5005_v2"},
262 { TUNER_PHILIPS_TDA8290, "Philips 18271_8295"},
263 /* 150-159 */
264 { TUNER_XC5000, "Xceive XC5000"},
265 { TUNER_ABSENT, "Xceive XC3028L"},
266 { TUNER_ABSENT, "NXP 18271C2_716x"},
267 { TUNER_ABSENT, "Xceive XC4000"},
268 { TUNER_ABSENT, "Dibcom 7070"},
269 { TUNER_PHILIPS_TDA8290, "NXP 18271C2"},
270 { TUNER_ABSENT, "Siano SMS1010"},
271 { TUNER_ABSENT, "Siano SMS1150"},
272 { TUNER_ABSENT, "MaxLinear 5007"},
273 { TUNER_ABSENT, "TCL M09WPP_2P_E"},
274 /* 160-169 */
275 { TUNER_ABSENT, "Siano SMS1180"},
276 { TUNER_ABSENT, "Maxim_MAX2165"},
277 { TUNER_ABSENT, "Siano SMS1140"},
278 { TUNER_ABSENT, "Siano SMS1150 B1"},
279 { TUNER_ABSENT, "MaxLinear 111"},
280 { TUNER_ABSENT, "Dibcom 7770"},
281 { TUNER_ABSENT, "Siano SMS1180VNS"},
282 { TUNER_ABSENT, "Siano SMS1184"},
283 { TUNER_PHILIPS_FQ1236_MK5, "TCL M30WTP-4N-E"},
284 { TUNER_ABSENT, "TCL_M11WPP_2PN_E"},
285 /* 170-179 */
286 { TUNER_ABSENT, "MaxLinear 301"},
287 { TUNER_ABSENT, "Mirics MSi001"},
288 { TUNER_ABSENT, "MaxLinear MxL241SF"},
289 { TUNER_ABSENT, "Xceive XC5000C"},
290 { TUNER_ABSENT, "Montage M68TS2020"},
291 };
292
293 /* Use V4L2_IDENT_AMBIGUOUS for those audio 'chips' that are
294 * internal to a video chip, i.e. not a separate audio chip. */
295 static struct HAUPPAUGE_AUDIOIC
296 {
297 u32 id;
298 char *name;
299 }
300 audioIC[] =
301 {
302 /* 0-4 */
303 { V4L2_IDENT_NONE, "None" },
304 { V4L2_IDENT_UNKNOWN, "TEA6300" },
305 { V4L2_IDENT_UNKNOWN, "TEA6320" },
306 { V4L2_IDENT_UNKNOWN, "TDA9850" },
307 { V4L2_IDENT_MSPX4XX, "MSP3400C" },
308 /* 5-9 */
309 { V4L2_IDENT_MSPX4XX, "MSP3410D" },
310 { V4L2_IDENT_MSPX4XX, "MSP3415" },
311 { V4L2_IDENT_MSPX4XX, "MSP3430" },
312 { V4L2_IDENT_MSPX4XX, "MSP3438" },
313 { V4L2_IDENT_UNKNOWN, "CS5331" },
314 /* 10-14 */
315 { V4L2_IDENT_MSPX4XX, "MSP3435" },
316 { V4L2_IDENT_MSPX4XX, "MSP3440" },
317 { V4L2_IDENT_MSPX4XX, "MSP3445" },
318 { V4L2_IDENT_MSPX4XX, "MSP3411" },
319 { V4L2_IDENT_MSPX4XX, "MSP3416" },
320 /* 15-19 */
321 { V4L2_IDENT_MSPX4XX, "MSP3425" },
322 { V4L2_IDENT_MSPX4XX, "MSP3451" },
323 { V4L2_IDENT_MSPX4XX, "MSP3418" },
324 { V4L2_IDENT_UNKNOWN, "Type 0x12" },
325 { V4L2_IDENT_UNKNOWN, "OKI7716" },
326 /* 20-24 */
327 { V4L2_IDENT_MSPX4XX, "MSP4410" },
328 { V4L2_IDENT_MSPX4XX, "MSP4420" },
329 { V4L2_IDENT_MSPX4XX, "MSP4440" },
330 { V4L2_IDENT_MSPX4XX, "MSP4450" },
331 { V4L2_IDENT_MSPX4XX, "MSP4408" },
332 /* 25-29 */
333 { V4L2_IDENT_MSPX4XX, "MSP4418" },
334 { V4L2_IDENT_MSPX4XX, "MSP4428" },
335 { V4L2_IDENT_MSPX4XX, "MSP4448" },
336 { V4L2_IDENT_MSPX4XX, "MSP4458" },
337 { V4L2_IDENT_MSPX4XX, "Type 0x1d" },
338 /* 30-34 */
339 { V4L2_IDENT_AMBIGUOUS, "CX880" },
340 { V4L2_IDENT_AMBIGUOUS, "CX881" },
341 { V4L2_IDENT_AMBIGUOUS, "CX883" },
342 { V4L2_IDENT_AMBIGUOUS, "CX882" },
343 { V4L2_IDENT_AMBIGUOUS, "CX25840" },
344 /* 35-39 */
345 { V4L2_IDENT_AMBIGUOUS, "CX25841" },
346 { V4L2_IDENT_AMBIGUOUS, "CX25842" },
347 { V4L2_IDENT_AMBIGUOUS, "CX25843" },
348 { V4L2_IDENT_AMBIGUOUS, "CX23418" },
349 { V4L2_IDENT_AMBIGUOUS, "CX23885" },
350 /* 40-44 */
351 { V4L2_IDENT_AMBIGUOUS, "CX23888" },
352 { V4L2_IDENT_AMBIGUOUS, "SAA7131" },
353 { V4L2_IDENT_AMBIGUOUS, "CX23887" },
354 { V4L2_IDENT_AMBIGUOUS, "SAA7164" },
355 { V4L2_IDENT_AMBIGUOUS, "AU8522" },
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 /* 40-42 */
377 "SAA7164", "CX23885B", "AU8522"
378 };
379
380 static int hasRadioTuner(int tunerType)
381 {
382 switch (tunerType) {
383 case 18: /* PNPEnv_TUNER_FR1236_MK2 */
384 case 23: /* PNPEnv_TUNER_FM1236 */
385 case 38: /* PNPEnv_TUNER_FMR1236 */
386 case 16: /* PNPEnv_TUNER_FR1216_MK2 */
387 case 19: /* PNPEnv_TUNER_FR1246_MK2 */
388 case 21: /* PNPEnv_TUNER_FM1216 */
389 case 24: /* PNPEnv_TUNER_FM1246 */
390 case 17: /* PNPEnv_TUNER_FR1216MF_MK2 */
391 case 22: /* PNPEnv_TUNER_FM1216MF */
392 case 20: /* PNPEnv_TUNER_FR1256_MK2 */
393 case 25: /* PNPEnv_TUNER_FM1256 */
394 case 33: /* PNPEnv_TUNER_4039FR5 */
395 case 42: /* PNPEnv_TUNER_4009FR5 */
396 case 52: /* PNPEnv_TUNER_4049FM5 */
397 case 54: /* PNPEnv_TUNER_4049FM5_AltI2C */
398 case 44: /* PNPEnv_TUNER_4009FN5 */
399 case 31: /* PNPEnv_TUNER_TCPB9085P */
400 case 30: /* PNPEnv_TUNER_TCPN9085D */
401 case 46: /* PNPEnv_TUNER_TP18NSR01F */
402 case 47: /* PNPEnv_TUNER_TP18PSB01D */
403 case 49: /* PNPEnv_TUNER_TAPC_I001D */
404 case 60: /* PNPEnv_TUNER_TAPE_S001D_MK3 */
405 case 57: /* PNPEnv_TUNER_FM1216ME_MK3 */
406 case 59: /* PNPEnv_TUNER_FM1216MP_MK3 */
407 case 58: /* PNPEnv_TUNER_FM1236_MK3 */
408 case 68: /* PNPEnv_TUNER_TAPE_H001F_MK3 */
409 case 61: /* PNPEnv_TUNER_TAPE_M001D_MK3 */
410 case 78: /* PNPEnv_TUNER_TDA8275C1_8290_FM */
411 case 89: /* PNPEnv_TUNER_TCL_MFPE05_2 */
412 case 92: /* PNPEnv_TUNER_PHILIPS_FQ1236A_MK4 */
413 case 105:
414 return 1;
415 }
416 return 0;
417 }
418
419 void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
420 unsigned char *eeprom_data)
421 {
422 /* ----------------------------------------------
423 ** The hauppauge eeprom format is tagged
424 **
425 ** if packet[0] == 0x84, then packet[0..1] == length
426 ** else length = packet[0] & 3f;
427 ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
428 **
429 ** In our (ivtv) case we're interested in the following:
430 ** tuner type: tag [00].05 or [0a].01 (index into hauppauge_tuner)
431 ** tuner fmts: tag [00].04 or [0a].00 (bitmask index into
432 ** hauppauge_tuner_fmt)
433 ** radio: tag [00].{last} or [0e].00 (bitmask. bit2=FM)
434 ** audio proc: tag [02].01 or [05].00 (mask with 0x7f)
435 ** decoder proc: tag [09].01)
436
437 ** Fun info:
438 ** model: tag [00].07-08 or [06].00-01
439 ** revision: tag [00].09-0b or [06].04-06
440 ** serial#: tag [01].05-07 or [04].04-06
441
442 ** # of inputs/outputs ???
443 */
444
445 int i, j, len, done, beenhere, tag, start;
446
447 int tuner1 = 0, t_format1 = 0, audioic = -1;
448 char *t_name1 = NULL;
449 const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
450
451 int tuner2 = 0, t_format2 = 0;
452 char *t_name2 = NULL;
453 const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
454
455 memset(tvee, 0, sizeof(*tvee));
456 tvee->tuner_type = TUNER_ABSENT;
457 tvee->tuner2_type = TUNER_ABSENT;
458
459 done = len = beenhere = 0;
460
461 /* Different eeprom start offsets for em28xx, cx2388x and cx23418 */
462 if (eeprom_data[0] == 0x1a &&
463 eeprom_data[1] == 0xeb &&
464 eeprom_data[2] == 0x67 &&
465 eeprom_data[3] == 0x95)
466 start = 0xa0; /* Generic em28xx offset */
467 else if ((eeprom_data[0] & 0xe1) == 0x01 &&
468 eeprom_data[1] == 0x00 &&
469 eeprom_data[2] == 0x00 &&
470 eeprom_data[8] == 0x84)
471 start = 8; /* Generic cx2388x offset */
472 else if (eeprom_data[1] == 0x70 &&
473 eeprom_data[2] == 0x00 &&
474 eeprom_data[4] == 0x74 &&
475 eeprom_data[8] == 0x84)
476 start = 8; /* Generic cx23418 offset (models 74xxx) */
477 else
478 start = 0;
479
480 for (i = start; !done && i < 256; i += len) {
481 if (eeprom_data[i] == 0x84) {
482 len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
483 i += 3;
484 } else if ((eeprom_data[i] & 0xf0) == 0x70) {
485 if (eeprom_data[i] & 0x08) {
486 /* verify checksum! */
487 done = 1;
488 break;
489 }
490 len = eeprom_data[i] & 0x07;
491 ++i;
492 } else {
493 tveeprom_warn("Encountered bad packet header [%02x]. "
494 "Corrupt or not a Hauppauge eeprom.\n",
495 eeprom_data[i]);
496 return;
497 }
498
499 if (debug) {
500 tveeprom_info("Tag [%02x] + %d bytes:",
501 eeprom_data[i], len - 1);
502 for (j = 1; j < len; j++)
503 printk(KERN_CONT " %02x", eeprom_data[i + j]);
504 printk(KERN_CONT "\n");
505 }
506
507 /* process by tag */
508 tag = eeprom_data[i];
509 switch (tag) {
510 case 0x00:
511 /* tag: 'Comprehensive' */
512 tuner1 = eeprom_data[i+6];
513 t_format1 = eeprom_data[i+5];
514 tvee->has_radio = eeprom_data[i+len-1];
515 /* old style tag, don't know how to detect
516 IR presence, mark as unknown. */
517 tvee->has_ir = 0;
518 tvee->model =
519 eeprom_data[i+8] +
520 (eeprom_data[i+9] << 8);
521 tvee->revision = eeprom_data[i+10] +
522 (eeprom_data[i+11] << 8) +
523 (eeprom_data[i+12] << 16);
524 break;
525
526 case 0x01:
527 /* tag: 'SerialID' */
528 tvee->serial_number =
529 eeprom_data[i+6] +
530 (eeprom_data[i+7] << 8) +
531 (eeprom_data[i+8] << 16);
532 break;
533
534 case 0x02:
535 /* tag 'AudioInfo'
536 Note mask with 0x7F, high bit used on some older models
537 to indicate 4052 mux was removed in favor of using MSP
538 inputs directly. */
539 audioic = eeprom_data[i+2] & 0x7f;
540 if (audioic < ARRAY_SIZE(audioIC))
541 tvee->audio_processor = audioIC[audioic].id;
542 else
543 tvee->audio_processor = V4L2_IDENT_UNKNOWN;
544 break;
545
546 /* case 0x03: tag 'EEInfo' */
547
548 case 0x04:
549 /* tag 'SerialID2' */
550 tvee->serial_number =
551 eeprom_data[i+5] +
552 (eeprom_data[i+6] << 8) +
553 (eeprom_data[i+7] << 16);
554
555 if ((eeprom_data[i + 8] & 0xf0) &&
556 (tvee->serial_number < 0xffffff)) {
557 tvee->MAC_address[0] = 0x00;
558 tvee->MAC_address[1] = 0x0D;
559 tvee->MAC_address[2] = 0xFE;
560 tvee->MAC_address[3] = eeprom_data[i + 7];
561 tvee->MAC_address[4] = eeprom_data[i + 6];
562 tvee->MAC_address[5] = eeprom_data[i + 5];
563 tvee->has_MAC_address = 1;
564 }
565 break;
566
567 case 0x05:
568 /* tag 'Audio2'
569 Note mask with 0x7F, high bit used on some older models
570 to indicate 4052 mux was removed in favor of using MSP
571 inputs directly. */
572 audioic = eeprom_data[i+1] & 0x7f;
573 if (audioic < ARRAY_SIZE(audioIC))
574 tvee->audio_processor = audioIC[audioic].id;
575 else
576 tvee->audio_processor = V4L2_IDENT_UNKNOWN;
577
578 break;
579
580 case 0x06:
581 /* tag 'ModelRev' */
582 tvee->model =
583 eeprom_data[i + 1] +
584 (eeprom_data[i + 2] << 8) +
585 (eeprom_data[i + 3] << 16) +
586 (eeprom_data[i + 4] << 24);
587 tvee->revision =
588 eeprom_data[i + 5] +
589 (eeprom_data[i + 6] << 8) +
590 (eeprom_data[i + 7] << 16);
591 break;
592
593 case 0x07:
594 /* tag 'Details': according to Hauppauge not interesting
595 on any PCI-era or later boards. */
596 break;
597
598 /* there is no tag 0x08 defined */
599
600 case 0x09:
601 /* tag 'Video' */
602 tvee->decoder_processor = eeprom_data[i + 1];
603 break;
604
605 case 0x0a:
606 /* tag 'Tuner' */
607 if (beenhere == 0) {
608 tuner1 = eeprom_data[i + 2];
609 t_format1 = eeprom_data[i + 1];
610 beenhere = 1;
611 } else {
612 /* a second (radio) tuner may be present */
613 tuner2 = eeprom_data[i + 2];
614 t_format2 = eeprom_data[i + 1];
615 /* not a TV tuner? */
616 if (t_format2 == 0)
617 tvee->has_radio = 1; /* must be radio */
618 }
619 break;
620
621 case 0x0b:
622 /* tag 'Inputs': according to Hauppauge this is specific
623 to each driver family, so no good assumptions can be
624 made. */
625 break;
626
627 /* case 0x0c: tag 'Balun' */
628 /* case 0x0d: tag 'Teletext' */
629
630 case 0x0e:
631 /* tag: 'Radio' */
632 tvee->has_radio = eeprom_data[i+1];
633 break;
634
635 case 0x0f:
636 /* tag 'IRInfo' */
637 tvee->has_ir = 1 | (eeprom_data[i+1] << 1);
638 break;
639
640 /* case 0x10: tag 'VBIInfo' */
641 /* case 0x11: tag 'QCInfo' */
642 /* case 0x12: tag 'InfoBits' */
643
644 default:
645 tveeprom_dbg("Not sure what to do with tag [%02x]\n",
646 tag);
647 /* dump the rest of the packet? */
648 }
649 }
650
651 if (!done) {
652 tveeprom_warn("Ran out of data!\n");
653 return;
654 }
655
656 if (tvee->revision != 0) {
657 tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
658 tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
659 tvee->rev_str[2] = 32 + ((tvee->revision >> 6) & 0x3f);
660 tvee->rev_str[3] = 32 + (tvee->revision & 0x3f);
661 tvee->rev_str[4] = 0;
662 }
663
664 if (hasRadioTuner(tuner1) && !tvee->has_radio) {
665 tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
666 tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
667 tvee->has_radio = 1;
668 }
669
670 if (tuner1 < ARRAY_SIZE(hauppauge_tuner)) {
671 tvee->tuner_type = hauppauge_tuner[tuner1].id;
672 t_name1 = hauppauge_tuner[tuner1].name;
673 } else {
674 t_name1 = "unknown";
675 }
676
677 if (tuner2 < ARRAY_SIZE(hauppauge_tuner)) {
678 tvee->tuner2_type = hauppauge_tuner[tuner2].id;
679 t_name2 = hauppauge_tuner[tuner2].name;
680 } else {
681 t_name2 = "unknown";
682 }
683
684 tvee->tuner_hauppauge_model = tuner1;
685 tvee->tuner2_hauppauge_model = tuner2;
686 tvee->tuner_formats = 0;
687 tvee->tuner2_formats = 0;
688 for (i = j = 0; i < 8; i++) {
689 if (t_format1 & (1 << i)) {
690 tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
691 t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
692 }
693 }
694 for (i = j = 0; i < 8; i++) {
695 if (t_format2 & (1 << i)) {
696 tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
697 t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
698 }
699 }
700
701 tveeprom_info("Hauppauge model %d, rev %s, serial# %d\n",
702 tvee->model, tvee->rev_str, tvee->serial_number);
703 if (tvee->has_MAC_address == 1)
704 tveeprom_info("MAC address is %pM\n", tvee->MAC_address);
705 tveeprom_info("tuner model is %s (idx %d, type %d)\n",
706 t_name1, tuner1, tvee->tuner_type);
707 tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
708 t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2],
709 t_fmt_name1[3], t_fmt_name1[4], t_fmt_name1[5],
710 t_fmt_name1[6], t_fmt_name1[7], t_format1);
711 if (tuner2)
712 tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
713 t_name2, tuner2, tvee->tuner2_type);
714 if (t_format2)
715 tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
716 t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2],
717 t_fmt_name2[3], t_fmt_name2[4], t_fmt_name2[5],
718 t_fmt_name2[6], t_fmt_name2[7], t_format2);
719 if (audioic < 0) {
720 tveeprom_info("audio processor is unknown (no idx)\n");
721 tvee->audio_processor = V4L2_IDENT_UNKNOWN;
722 } else {
723 if (audioic < ARRAY_SIZE(audioIC))
724 tveeprom_info("audio processor is %s (idx %d)\n",
725 audioIC[audioic].name, audioic);
726 else
727 tveeprom_info("audio processor is unknown (idx %d)\n",
728 audioic);
729 }
730 if (tvee->decoder_processor)
731 tveeprom_info("decoder processor is %s (idx %d)\n",
732 STRM(decoderIC, tvee->decoder_processor),
733 tvee->decoder_processor);
734 if (tvee->has_ir)
735 tveeprom_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
736 tvee->has_radio ? "" : "no ",
737 (tvee->has_ir & 2) ? "" : "no ",
738 (tvee->has_ir & 4) ? "" : "no ");
739 else
740 tveeprom_info("has %sradio\n",
741 tvee->has_radio ? "" : "no ");
742 }
743 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
744
745 /* ----------------------------------------------------------------------- */
746 /* generic helper functions */
747
748 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
749 {
750 unsigned char buf;
751 int err;
752
753 buf = 0;
754 err = i2c_master_send(c, &buf, 1);
755 if (err != 1) {
756 tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
757 return -1;
758 }
759 err = i2c_master_recv(c, eedata, len);
760 if (err != len) {
761 tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
762 return -1;
763 }
764 if (debug) {
765 int i;
766
767 tveeprom_info("full 256-byte eeprom dump:\n");
768 for (i = 0; i < len; i++) {
769 if (0 == (i % 16))
770 tveeprom_info("%02x:", i);
771 printk(KERN_CONT " %02x", eedata[i]);
772 if (15 == (i % 16))
773 printk(KERN_CONT "\n");
774 }
775 }
776 return 0;
777 }
778 EXPORT_SYMBOL(tveeprom_read);
779
780 /*
781 * Local variables:
782 * c-basic-offset: 8
783 * End:
784 */