V4L/DVB (7942): Hardware frequency seek ioctl interface
[linux-2.6] / drivers / media / video / tveeprom.c
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/videodev.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/audiochip.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_FM1216ME_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_ABSENT,                 "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_ABSENT,                 "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_FMD1216ME_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_ABSENT,        "Xceive XC5000"},
265 };
266
267 static struct HAUPPAUGE_AUDIOIC
268 {
269         enum audiochip  id;
270         char *name;
271 }
272 audioIC[] =
273 {
274         /* 0-4 */
275         {AUDIO_CHIP_NONE,     "None"},
276         {AUDIO_CHIP_TEA6300,  "TEA6300"},
277         {AUDIO_CHIP_TEA6300,  "TEA6320"},
278         {AUDIO_CHIP_TDA985X,  "TDA9850"},
279         {AUDIO_CHIP_MSP34XX,  "MSP3400C"},
280         /* 5-9 */
281         {AUDIO_CHIP_MSP34XX,  "MSP3410D"},
282         {AUDIO_CHIP_MSP34XX,  "MSP3415"},
283         {AUDIO_CHIP_MSP34XX,  "MSP3430"},
284         {AUDIO_CHIP_MSP34XX,  "MSP3438"},
285         {AUDIO_CHIP_UNKNOWN,  "CS5331"},
286         /* 10-14 */
287         {AUDIO_CHIP_MSP34XX,  "MSP3435"},
288         {AUDIO_CHIP_MSP34XX,  "MSP3440"},
289         {AUDIO_CHIP_MSP34XX,  "MSP3445"},
290         {AUDIO_CHIP_MSP34XX,  "MSP3411"},
291         {AUDIO_CHIP_MSP34XX,  "MSP3416"},
292         /* 15-19 */
293         {AUDIO_CHIP_MSP34XX,  "MSP3425"},
294         {AUDIO_CHIP_MSP34XX,  "MSP3451"},
295         {AUDIO_CHIP_MSP34XX,  "MSP3418"},
296         {AUDIO_CHIP_UNKNOWN,  "Type 0x12"},
297         {AUDIO_CHIP_UNKNOWN,  "OKI7716"},
298         /* 20-24 */
299         {AUDIO_CHIP_MSP34XX,  "MSP4410"},
300         {AUDIO_CHIP_MSP34XX,  "MSP4420"},
301         {AUDIO_CHIP_MSP34XX,  "MSP4440"},
302         {AUDIO_CHIP_MSP34XX,  "MSP4450"},
303         {AUDIO_CHIP_MSP34XX,  "MSP4408"},
304         /* 25-29 */
305         {AUDIO_CHIP_MSP34XX,  "MSP4418"},
306         {AUDIO_CHIP_MSP34XX,  "MSP4428"},
307         {AUDIO_CHIP_MSP34XX,  "MSP4448"},
308         {AUDIO_CHIP_MSP34XX,  "MSP4458"},
309         {AUDIO_CHIP_MSP34XX,  "Type 0x1d"},
310         /* 30-34 */
311         {AUDIO_CHIP_INTERNAL, "CX880"},
312         {AUDIO_CHIP_INTERNAL, "CX881"},
313         {AUDIO_CHIP_INTERNAL, "CX883"},
314         {AUDIO_CHIP_INTERNAL, "CX882"},
315         {AUDIO_CHIP_INTERNAL, "CX25840"},
316         /* 35-39 */
317         {AUDIO_CHIP_INTERNAL, "CX25841"},
318         {AUDIO_CHIP_INTERNAL, "CX25842"},
319         {AUDIO_CHIP_INTERNAL, "CX25843"},
320         {AUDIO_CHIP_INTERNAL, "CX23418"},
321         {AUDIO_CHIP_INTERNAL, "CX23885"},
322         /* 40-44 */
323         {AUDIO_CHIP_INTERNAL, "CX23888"},
324         {AUDIO_CHIP_INTERNAL, "SAA7131"},
325         {AUDIO_CHIP_INTERNAL, "CX23887"},
326         {AUDIO_CHIP_INTERNAL, "SAA7164"},
327         {AUDIO_CHIP_INTERNAL, "AU8522"},
328 };
329
330 /* This list is supplied by Hauppauge. Thanks! */
331 static const char *decoderIC[] = {
332         /* 0-4 */
333         "None", "BT815", "BT817", "BT819", "BT815A",
334         /* 5-9 */
335         "BT817A", "BT819A", "BT827", "BT829", "BT848",
336         /* 10-14 */
337         "BT848A", "BT849A", "BT829A", "BT827A", "BT878",
338         /* 15-19 */
339         "BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
340         /* 20-24 */
341         "CX880", "CX881", "CX883", "SAA7111", "SAA7113",
342         /* 25-29 */
343         "CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
344         /* 30-34 */
345         "CX25843", "CX23418", "NEC61153", "CX23885", "CX23888",
346         /* 35-39 */
347         "SAA7131", "CX25837", "CX23887", "CX23885A", "CX23887A",
348         /* 40-42 */
349         "SAA7164", "CX23885B", "AU8522"
350 };
351
352 static int hasRadioTuner(int tunerType)
353 {
354         switch (tunerType) {
355         case 18: /* PNPEnv_TUNER_FR1236_MK2 */
356         case 23: /* PNPEnv_TUNER_FM1236 */
357         case 38: /* PNPEnv_TUNER_FMR1236 */
358         case 16: /* PNPEnv_TUNER_FR1216_MK2 */
359         case 19: /* PNPEnv_TUNER_FR1246_MK2 */
360         case 21: /* PNPEnv_TUNER_FM1216 */
361         case 24: /* PNPEnv_TUNER_FM1246 */
362         case 17: /* PNPEnv_TUNER_FR1216MF_MK2 */
363         case 22: /* PNPEnv_TUNER_FM1216MF */
364         case 20: /* PNPEnv_TUNER_FR1256_MK2 */
365         case 25: /* PNPEnv_TUNER_FM1256 */
366         case 33: /* PNPEnv_TUNER_4039FR5 */
367         case 42: /* PNPEnv_TUNER_4009FR5 */
368         case 52: /* PNPEnv_TUNER_4049FM5 */
369         case 54: /* PNPEnv_TUNER_4049FM5_AltI2C */
370         case 44: /* PNPEnv_TUNER_4009FN5 */
371         case 31: /* PNPEnv_TUNER_TCPB9085P */
372         case 30: /* PNPEnv_TUNER_TCPN9085D */
373         case 46: /* PNPEnv_TUNER_TP18NSR01F */
374         case 47: /* PNPEnv_TUNER_TP18PSB01D */
375         case 49: /* PNPEnv_TUNER_TAPC_I001D */
376         case 60: /* PNPEnv_TUNER_TAPE_S001D_MK3 */
377         case 57: /* PNPEnv_TUNER_FM1216ME_MK3 */
378         case 59: /* PNPEnv_TUNER_FM1216MP_MK3 */
379         case 58: /* PNPEnv_TUNER_FM1236_MK3 */
380         case 68: /* PNPEnv_TUNER_TAPE_H001F_MK3 */
381         case 61: /* PNPEnv_TUNER_TAPE_M001D_MK3 */
382         case 78: /* PNPEnv_TUNER_TDA8275C1_8290_FM */
383         case 89: /* PNPEnv_TUNER_TCL_MFPE05_2 */
384         case 92: /* PNPEnv_TUNER_PHILIPS_FQ1236A_MK4 */
385         case 105:
386                 return 1;
387         }
388         return 0;
389 }
390
391 void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
392                                 unsigned char *eeprom_data)
393 {
394         /* ----------------------------------------------
395         ** The hauppauge eeprom format is tagged
396         **
397         ** if packet[0] == 0x84, then packet[0..1] == length
398         ** else length = packet[0] & 3f;
399         ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
400         **
401         ** In our (ivtv) case we're interested in the following:
402         ** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
403         ** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into
404         **               hauppauge_tuner_fmt)
405         ** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
406         ** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
407         ** decoder proc: tag [09].01)
408
409         ** Fun info:
410         ** model:      tag [00].07-08 or [06].00-01
411         ** revision:   tag [00].09-0b or [06].04-06
412         ** serial#:    tag [01].05-07 or [04].04-06
413
414         ** # of inputs/outputs ???
415         */
416
417         int i, j, len, done, beenhere, tag, start;
418
419         int tuner1 = 0, t_format1 = 0, audioic = -1;
420         char *t_name1 = NULL;
421         const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
422
423         int tuner2 = 0, t_format2 = 0;
424         char *t_name2 = NULL;
425         const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
426
427         memset(tvee, 0, sizeof(*tvee));
428         done = len = beenhere = 0;
429
430         /* Different eeprom start offsets for em28xx, cx2388x and cx23418 */
431         if (eeprom_data[0] == 0x1a &&
432             eeprom_data[1] == 0xeb &&
433             eeprom_data[2] == 0x67 &&
434             eeprom_data[3] == 0x95)
435                 start = 0xa0; /* Generic em28xx offset */
436         else if ((eeprom_data[0] & 0xe1) == 0x01 &&
437                  eeprom_data[1] == 0x00 &&
438                  eeprom_data[2] == 0x00 &&
439                  eeprom_data[8] == 0x84)
440                 start = 8; /* Generic cx2388x offset */
441         else if (eeprom_data[1] == 0x70 &&
442                  eeprom_data[2] == 0x00 &&
443                  eeprom_data[4] == 0x74 &&
444                  eeprom_data[8] == 0x84)
445                 start = 8; /* Generic cx23418 offset (models 74xxx) */
446         else
447                 start = 0;
448
449         for (i = start; !done && i < 256; i += len) {
450                 if (eeprom_data[i] == 0x84) {
451                         len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
452                         i += 3;
453                 } else if ((eeprom_data[i] & 0xf0) == 0x70) {
454                         if (eeprom_data[i] & 0x08) {
455                                 /* verify checksum! */
456                                 done = 1;
457                                 break;
458                         }
459                         len = eeprom_data[i] & 0x07;
460                         ++i;
461                 } else {
462                         tveeprom_warn("Encountered bad packet header [%02x]. "
463                                 "Corrupt or not a Hauppauge eeprom.\n",
464                                 eeprom_data[i]);
465                         return;
466                 }
467
468                 if (debug) {
469                         tveeprom_info("Tag [%02x] + %d bytes:",
470                                         eeprom_data[i], len - 1);
471                         for (j = 1; j < len; j++)
472                                 printk(KERN_CONT " %02x", eeprom_data[i + j]);
473                         printk(KERN_CONT "\n");
474                 }
475
476                 /* process by tag */
477                 tag = eeprom_data[i];
478                 switch (tag) {
479                 case 0x00:
480                         /* tag: 'Comprehensive' */
481                         tuner1 = eeprom_data[i+6];
482                         t_format1 = eeprom_data[i+5];
483                         tvee->has_radio = eeprom_data[i+len-1];
484                         /* old style tag, don't know how to detect
485                         IR presence, mark as unknown. */
486                         tvee->has_ir = -1;
487                         tvee->model =
488                                 eeprom_data[i+8] +
489                                 (eeprom_data[i+9] << 8);
490                         tvee->revision = eeprom_data[i+10] +
491                                 (eeprom_data[i+11] << 8) +
492                                 (eeprom_data[i+12] << 16);
493                         break;
494
495                 case 0x01:
496                         /* tag: 'SerialID' */
497                         tvee->serial_number =
498                                 eeprom_data[i+6] +
499                                 (eeprom_data[i+7] << 8) +
500                                 (eeprom_data[i+8] << 16);
501                         break;
502
503                 case 0x02:
504                         /* tag 'AudioInfo'
505                         Note mask with 0x7F, high bit used on some older models
506                         to indicate 4052 mux was removed in favor of using MSP
507                         inputs directly. */
508                         audioic = eeprom_data[i+2] & 0x7f;
509                         if (audioic < ARRAY_SIZE(audioIC))
510                                 tvee->audio_processor = audioIC[audioic].id;
511                         else
512                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
513                         break;
514
515                 /* case 0x03: tag 'EEInfo' */
516
517                 case 0x04:
518                         /* tag 'SerialID2' */
519                         tvee->serial_number =
520                                 eeprom_data[i+5] +
521                                 (eeprom_data[i+6] << 8) +
522                                 (eeprom_data[i+7] << 16);
523
524                         if ((eeprom_data[i + 8] & 0xf0) &&
525                                         (tvee->serial_number < 0xffffff)) {
526                                 tvee->MAC_address[0] = 0x00;
527                                 tvee->MAC_address[1] = 0x0D;
528                                 tvee->MAC_address[2] = 0xFE;
529                                 tvee->MAC_address[3] = eeprom_data[i + 7];
530                                 tvee->MAC_address[4] = eeprom_data[i + 6];
531                                 tvee->MAC_address[5] = eeprom_data[i + 5];
532                                 tvee->has_MAC_address = 1;
533                         }
534                         break;
535
536                 case 0x05:
537                         /* tag 'Audio2'
538                         Note mask with 0x7F, high bit used on some older models
539                         to indicate 4052 mux was removed in favor of using MSP
540                         inputs directly. */
541                         audioic = eeprom_data[i+1] & 0x7f;
542                         if (audioic < ARRAY_SIZE(audioIC))
543                                 tvee->audio_processor = audioIC[audioic].id;
544                         else
545                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
546
547                         break;
548
549                 case 0x06:
550                         /* tag 'ModelRev' */
551                         tvee->model =
552                                 eeprom_data[i + 1] +
553                                 (eeprom_data[i + 2] << 8) +
554                                 (eeprom_data[i + 3] << 16) +
555                                 (eeprom_data[i + 4] << 24);
556                         tvee->revision =
557                                 eeprom_data[i + 5] +
558                                 (eeprom_data[i + 6] << 8) +
559                                 (eeprom_data[i + 7] << 16);
560                         break;
561
562                 case 0x07:
563                         /* tag 'Details': according to Hauppauge not interesting
564                         on any PCI-era or later boards. */
565                         break;
566
567                 /* there is no tag 0x08 defined */
568
569                 case 0x09:
570                         /* tag 'Video' */
571                         tvee->decoder_processor = eeprom_data[i + 1];
572                         break;
573
574                 case 0x0a:
575                         /* tag 'Tuner' */
576                         if (beenhere == 0) {
577                                 tuner1 = eeprom_data[i + 2];
578                                 t_format1 = eeprom_data[i + 1];
579                                 beenhere = 1;
580                         } else {
581                                 /* a second (radio) tuner may be present */
582                                 tuner2 = eeprom_data[i + 2];
583                                 t_format2 = eeprom_data[i + 1];
584                                 /* not a TV tuner? */
585                                 if (t_format2 == 0)
586                                         tvee->has_radio = 1; /* must be radio */
587                         }
588                         break;
589
590                 case 0x0b:
591                         /* tag 'Inputs': according to Hauppauge this is specific
592                         to each driver family, so no good assumptions can be
593                         made. */
594                         break;
595
596                 /* case 0x0c: tag 'Balun' */
597                 /* case 0x0d: tag 'Teletext' */
598
599                 case 0x0e:
600                         /* tag: 'Radio' */
601                         tvee->has_radio = eeprom_data[i+1];
602                         break;
603
604                 case 0x0f:
605                         /* tag 'IRInfo' */
606                         tvee->has_ir = eeprom_data[i+1];
607                         break;
608
609                 /* case 0x10: tag 'VBIInfo' */
610                 /* case 0x11: tag 'QCInfo' */
611                 /* case 0x12: tag 'InfoBits' */
612
613                 default:
614                         tveeprom_dbg("Not sure what to do with tag [%02x]\n",
615                                         tag);
616                         /* dump the rest of the packet? */
617                 }
618         }
619
620         if (!done) {
621                 tveeprom_warn("Ran out of data!\n");
622                 return;
623         }
624
625         if (tvee->revision != 0) {
626                 tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
627                 tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
628                 tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
629                 tvee->rev_str[3] = 32 + (tvee->revision & 0x3f);
630                 tvee->rev_str[4] = 0;
631         }
632
633         if (hasRadioTuner(tuner1) && !tvee->has_radio) {
634                 tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
635                 tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
636                 tvee->has_radio = 1;
637         }
638
639         if (tuner1 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
640                 tvee->tuner_type = hauppauge_tuner[tuner1].id;
641                 t_name1 = hauppauge_tuner[tuner1].name;
642         } else {
643                 t_name1 = "unknown";
644         }
645
646         if (tuner2 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
647                 tvee->tuner2_type = hauppauge_tuner[tuner2].id;
648                 t_name2 = hauppauge_tuner[tuner2].name;
649         } else {
650                 t_name2 = "unknown";
651         }
652
653         tvee->tuner_hauppauge_model = tuner1;
654         tvee->tuner2_hauppauge_model = tuner2;
655         tvee->tuner_formats = 0;
656         tvee->tuner2_formats = 0;
657         for (i = j = 0; i < 8; i++) {
658                 if (t_format1 & (1 << i)) {
659                         tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
660                         t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
661                 }
662         }
663         for (i = j = 0; i < 8; i++) {
664                 if (t_format2 & (1 << i)) {
665                         tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
666                         t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
667                 }
668         }
669
670         tveeprom_info("Hauppauge model %d, rev %s, serial# %d\n",
671                 tvee->model, tvee->rev_str, tvee->serial_number);
672         if (tvee->has_MAC_address == 1)
673                 tveeprom_info("MAC address is %02X-%02X-%02X-%02X-%02X-%02X\n",
674                         tvee->MAC_address[0], tvee->MAC_address[1],
675                         tvee->MAC_address[2], tvee->MAC_address[3],
676                         tvee->MAC_address[4], tvee->MAC_address[5]);
677         tveeprom_info("tuner model is %s (idx %d, type %d)\n",
678                 t_name1, tuner1, tvee->tuner_type);
679         tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
680                 t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2],
681                 t_fmt_name1[3], t_fmt_name1[4], t_fmt_name1[5],
682                 t_fmt_name1[6], t_fmt_name1[7], t_format1);
683         if (tuner2)
684                 tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
685                                         t_name2, tuner2, tvee->tuner2_type);
686         if (t_format2)
687                 tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
688                         t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2],
689                         t_fmt_name2[3], t_fmt_name2[4], t_fmt_name2[5],
690                         t_fmt_name2[6], t_fmt_name2[7], t_format2);
691         if (audioic < 0) {
692                 tveeprom_info("audio processor is unknown (no idx)\n");
693                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
694         } else {
695                 if (audioic < ARRAY_SIZE(audioIC))
696                         tveeprom_info("audio processor is %s (idx %d)\n",
697                                         audioIC[audioic].name, audioic);
698                 else
699                         tveeprom_info("audio processor is unknown (idx %d)\n",
700                                                                 audioic);
701         }
702         if (tvee->decoder_processor)
703                 tveeprom_info("decoder processor is %s (idx %d)\n",
704                         STRM(decoderIC, tvee->decoder_processor),
705                         tvee->decoder_processor);
706         if (tvee->has_ir == -1)
707                 tveeprom_info("has %sradio\n",
708                                 tvee->has_radio ? "" : "no ");
709         else
710                 tveeprom_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
711                                 tvee->has_radio ? "" : "no ",
712                                 (tvee->has_ir & 1) ? "" : "no ",
713                                 (tvee->has_ir & 2) ? "" : "no ");
714 }
715 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
716
717 /* ----------------------------------------------------------------------- */
718 /* generic helper functions                                                */
719
720 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
721 {
722         unsigned char buf;
723         int err;
724
725         buf = 0;
726         err = i2c_master_send(c, &buf, 1);
727         if (err != 1) {
728                 tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
729                 return -1;
730         }
731         err = i2c_master_recv(c, eedata, len);
732         if (err != len) {
733                 tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
734                 return -1;
735         }
736         if (debug) {
737                 int i;
738
739                 tveeprom_info("full 256-byte eeprom dump:\n");
740                 for (i = 0; i < len; i++) {
741                         if (0 == (i % 16))
742                                 tveeprom_info("%02x:", i);
743                         printk(KERN_CONT " %02x", eedata[i]);
744                         if (15 == (i % 16))
745                                 printk(KERN_CONT "\n");
746                 }
747         }
748         return 0;
749 }
750 EXPORT_SYMBOL(tveeprom_read);
751
752 /*
753  * Local variables:
754  * c-basic-offset: 8
755  * End:
756  */