[PATCH] V4L: tveeprom MAC address parsing/cleanup
[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/moduleparam.h>
34 #include <linux/errno.h>
35 #include <linux/kernel.h>
36 #include <linux/init.h>
37 #include <linux/types.h>
38 #include <linux/videodev.h>
39 #include <linux/i2c.h>
40
41 #include <media/tuner.h>
42 #include <media/tveeprom.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 = 0;
50 module_param(debug, int, 0644);
51 MODULE_PARM_DESC(debug, "Debug level (0-1)");
52
53 #define STRM(array,i) (i < sizeof(array)/sizeof(char*) ? array[i] : "unknown")
54
55 #define tveeprom_info(fmt, arg...) do {\
56         printk(KERN_INFO "tveeprom %d-%04x: " fmt, \
57                         c->adapter->nr, c->addr , ##arg); } while (0)
58 #define tveeprom_warn(fmt, arg...) do {\
59         printk(KERN_WARNING "tveeprom %d-%04x: " fmt, \
60                         c->adapter->nr, c->addr , ##arg); } while (0)
61 #define tveeprom_dbg(fmt, arg...) do {\
62         if (debug) \
63                 printk(KERN_INFO "tveeprom %d-%04x: " fmt, \
64                         c->adapter->nr, c->addr , ##arg); } while (0)
65
66
67 /* ----------------------------------------------------------------------- */
68 /* some hauppauge specific stuff                                           */
69
70 static struct HAUPPAUGE_TUNER_FMT
71 {
72         int     id;
73         char *name;
74 }
75 hauppauge_tuner_fmt[] =
76 {
77         { 0x00000000, " unknown1" },
78         { 0x00000000, " unknown2" },
79         { 0x00000007, " PAL(B/G)" },
80         { 0x00001000, " NTSC(M)" },
81         { 0x00000010, " PAL(I)" },
82         { 0x00400000, " SECAM(L/L')" },
83         { 0x00000e00, " PAL(D/K)" },
84         { 0x03000000, " 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_ABSENT,        "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_ABSENT,        "Philips FQ1216LME MK3"},
188         { TUNER_ABSENT,        "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_ABSENT,        "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_ABSENT,        "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_ABSENT,        "Philips FMD1216ME"},
210         { TUNER_TEA5767,       "Philips TEA5768HL FM Radio"},
211         { TUNER_ABSENT,        "Panasonic ENV57H12D5"},
212         { TUNER_ABSENT,        "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_ABSENT,        "TCL M2523_5N_E"},
223         { TUNER_ABSENT,        "TCL M2523_3DB_E"},
224         { TUNER_ABSENT,        "Philips 8275A"},
225         { TUNER_ABSENT,        "Microtune MT2060"},
226         { TUNER_ABSENT,        "Philips FM1236 MK5"},
227         { TUNER_ABSENT,        "Philips FM1216ME MK5"},
228         { TUNER_ABSENT,        "TCL M2523_3DI_E"},
229         { TUNER_ABSENT,        "Samsung THPD5222FG30A"},
230         /* 120-129 */
231         { TUNER_ABSENT,        "Xceive XC3028"},
232         { TUNER_ABSENT,        "Philips FQ1216LME MK5"},
233 };
234
235 static struct HAUPPAUGE_AUDIOIC
236 {
237         enum audiochip  id;
238         char *name;
239 }
240 audioIC[] =
241 {
242         /* 0-4 */
243         {AUDIO_CHIP_NONE,     "None"},
244         {AUDIO_CHIP_TEA6300,  "TEA6300"},
245         {AUDIO_CHIP_TEA6300,  "TEA6320"},
246         {AUDIO_CHIP_TDA985X,  "TDA9850"},
247         {AUDIO_CHIP_MSP34XX,  "MSP3400C"},
248         /* 5-9 */
249         {AUDIO_CHIP_MSP34XX,  "MSP3410D"},
250         {AUDIO_CHIP_MSP34XX,  "MSP3415"},
251         {AUDIO_CHIP_MSP34XX,  "MSP3430"},
252         {AUDIO_CHIP_UNKNOWN,  "MSP3438"},
253         {AUDIO_CHIP_UNKNOWN,  "CS5331"},
254         /* 10-14 */
255         {AUDIO_CHIP_MSP34XX,  "MSP3435"},
256         {AUDIO_CHIP_MSP34XX,  "MSP3440"},
257         {AUDIO_CHIP_MSP34XX,  "MSP3445"},
258         {AUDIO_CHIP_UNKNOWN,  "MSP3411"},
259         {AUDIO_CHIP_UNKNOWN,  "MSP3416"},
260         /* 15-19 */
261         {AUDIO_CHIP_MSP34XX,  "MSP3425"},
262         {AUDIO_CHIP_UNKNOWN,  "MSP3451"},
263         {AUDIO_CHIP_UNKNOWN,  "MSP3418"},
264         {AUDIO_CHIP_UNKNOWN,  "Type 0x12"},
265         {AUDIO_CHIP_UNKNOWN,  "OKI7716"},
266         /* 20-24 */
267         {AUDIO_CHIP_UNKNOWN,  "MSP4410"},
268         {AUDIO_CHIP_UNKNOWN,  "MSP4420"},
269         {AUDIO_CHIP_UNKNOWN,  "MSP4440"},
270         {AUDIO_CHIP_UNKNOWN,  "MSP4450"},
271         {AUDIO_CHIP_UNKNOWN,  "MSP4408"},
272         /* 25-29 */
273         {AUDIO_CHIP_UNKNOWN,  "MSP4418"},
274         {AUDIO_CHIP_UNKNOWN,  "MSP4428"},
275         {AUDIO_CHIP_UNKNOWN,  "MSP4448"},
276         {AUDIO_CHIP_UNKNOWN,  "MSP4458"},
277         {AUDIO_CHIP_UNKNOWN,  "Type 0x1d"},
278         /* 30-34 */
279         {AUDIO_CHIP_INTERNAL, "CX880"},
280         {AUDIO_CHIP_INTERNAL, "CX881"},
281         {AUDIO_CHIP_INTERNAL, "CX883"},
282         {AUDIO_CHIP_INTERNAL, "CX882"},
283         {AUDIO_CHIP_INTERNAL, "CX25840"},
284         /* 35-38 */
285         {AUDIO_CHIP_INTERNAL, "CX25841"},
286         {AUDIO_CHIP_INTERNAL, "CX25842"},
287         {AUDIO_CHIP_INTERNAL, "CX25843"},
288         {AUDIO_CHIP_INTERNAL, "CX23418"},
289 };
290
291 /* This list is supplied by Hauppauge. Thanks! */
292 static const char *decoderIC[] = {
293         /* 0-4 */
294         "None", "BT815", "BT817", "BT819", "BT815A",
295         /* 5-9 */
296         "BT817A", "BT819A", "BT827", "BT829", "BT848",
297         /* 10-14 */
298         "BT848A", "BT849A", "BT829A", "BT827A", "BT878",
299         /* 15-19 */
300         "BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
301         /* 20-24 */
302         "CX880", "CX881", "CX883", "SAA7111", "SAA7113",
303         /* 25-29 */
304         "CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
305         /* 30-31 */
306         "CX25843", "CX23418",
307 };
308
309 static int hasRadioTuner(int tunerType)
310 {
311         switch (tunerType) {
312                 case 18: //PNPEnv_TUNER_FR1236_MK2:
313                 case 23: //PNPEnv_TUNER_FM1236:
314                 case 38: //PNPEnv_TUNER_FMR1236:
315                 case 16: //PNPEnv_TUNER_FR1216_MK2:
316                 case 19: //PNPEnv_TUNER_FR1246_MK2:
317                 case 21: //PNPEnv_TUNER_FM1216:
318                 case 24: //PNPEnv_TUNER_FM1246:
319                 case 17: //PNPEnv_TUNER_FR1216MF_MK2:
320                 case 22: //PNPEnv_TUNER_FM1216MF:
321                 case 20: //PNPEnv_TUNER_FR1256_MK2:
322                 case 25: //PNPEnv_TUNER_FM1256:
323                 case 33: //PNPEnv_TUNER_4039FR5:
324                 case 42: //PNPEnv_TUNER_4009FR5:
325                 case 52: //PNPEnv_TUNER_4049FM5:
326                 case 54: //PNPEnv_TUNER_4049FM5_AltI2C:
327                 case 44: //PNPEnv_TUNER_4009FN5:
328                 case 31: //PNPEnv_TUNER_TCPB9085P:
329                 case 30: //PNPEnv_TUNER_TCPN9085D:
330                 case 46: //PNPEnv_TUNER_TP18NSR01F:
331                 case 47: //PNPEnv_TUNER_TP18PSB01D:
332                 case 49: //PNPEnv_TUNER_TAPC_I001D:
333                 case 60: //PNPEnv_TUNER_TAPE_S001D_MK3:
334                 case 57: //PNPEnv_TUNER_FM1216ME_MK3:
335                 case 59: //PNPEnv_TUNER_FM1216MP_MK3:
336                 case 58: //PNPEnv_TUNER_FM1236_MK3:
337                 case 68: //PNPEnv_TUNER_TAPE_H001F_MK3:
338                 case 61: //PNPEnv_TUNER_TAPE_M001D_MK3:
339                 case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM:
340                 case 89: //PNPEnv_TUNER_TCL_MFPE05_2:
341                 case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4:
342                 return 1;
343         }
344         return 0;
345 }
346
347 void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
348                                 unsigned char *eeprom_data)
349 {
350         /* ----------------------------------------------
351         ** The hauppauge eeprom format is tagged
352         **
353         ** if packet[0] == 0x84, then packet[0..1] == length
354         ** else length = packet[0] & 3f;
355         ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
356         **
357         ** In our (ivtv) case we're interested in the following:
358         ** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
359         ** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into hauppauge_tuner_fmt)
360         ** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
361         ** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
362         ** decoder proc: tag [09].01)
363
364         ** Fun info:
365         ** model:      tag [00].07-08 or [06].00-01
366         ** revision:   tag [00].09-0b or [06].04-06
367         ** serial#:    tag [01].05-07 or [04].04-06
368
369         ** # of inputs/outputs ???
370         */
371
372         int i, j, len, done, beenhere, tag,start;
373
374         int tuner1 = 0, t_format1 = 0, audioic=-1;
375         char *t_name1 = NULL;
376         const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
377
378         int tuner2 = 0, t_format2 = 0;
379         char *t_name2 = NULL;
380         const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
381
382         memset(tvee, 0, sizeof(*tvee));
383         done = len = beenhere = 0;
384
385         /* Hack for processing eeprom for em28xx */
386         if ((eeprom_data[0] == 0x1a) && (eeprom_data[1] == 0xeb) &&
387                 (eeprom_data[2] == 0x67) && (eeprom_data[3] == 0x95))
388                 start=0xa0;
389         else if ((eeprom_data[0] == 0x1f) && (eeprom_data[8] == 0x84))
390                 start=8;
391         else if ((eeprom_data[0] == 0x17) && (eeprom_data[8] == 0x84))
392                 start=8;
393         else
394                 start=0;
395
396         for (i = start; !done && i < 256; i += len) {
397                 if (eeprom_data[i] == 0x84) {
398                         len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
399                         i += 3;
400                 } else if ((eeprom_data[i] & 0xf0) == 0x70) {
401                         if (eeprom_data[i] & 0x08) {
402                                 /* verify checksum! */
403                                 done = 1;
404                                 break;
405                         }
406                         len = eeprom_data[i] & 0x07;
407                         ++i;
408                 } else {
409                         tveeprom_warn("Encountered bad packet header [%02x]. "
410                                 "Corrupt or not a Hauppauge eeprom.\n", eeprom_data[i]);
411                         return;
412                 }
413
414                 if (debug) {
415                         tveeprom_info("Tag [%02x] + %d bytes:", eeprom_data[i], len - 1);
416                         for(j = 1; j < len; j++) {
417                                 printk(" %02x", eeprom_data[i + j]);
418                         }
419                         printk("\n");
420                 }
421
422                 /* process by tag */
423                 tag = eeprom_data[i];
424                 switch (tag) {
425                 case 0x00:
426                         /* tag: 'Comprehensive' */
427                         tuner1 = eeprom_data[i+6];
428                         t_format1 = eeprom_data[i+5];
429                         tvee->has_radio = eeprom_data[i+len-1];
430                         /* old style tag, don't know how to detect
431                         IR presence, mark as unknown. */
432                         tvee->has_ir = 2;
433                         tvee->model =
434                                 eeprom_data[i+8] +
435                                 (eeprom_data[i+9] << 8);
436                         tvee->revision = eeprom_data[i+10] +
437                                 (eeprom_data[i+11] << 8) +
438                                 (eeprom_data[i+12] << 16);
439                         break;
440
441                 case 0x01:
442                         /* tag: 'SerialID' */
443                         tvee->serial_number =
444                                 eeprom_data[i+6] +
445                                 (eeprom_data[i+7] << 8) +
446                                 (eeprom_data[i+8] << 16);
447                         break;
448
449                 case 0x02:
450                         /* tag 'AudioInfo'
451                         Note mask with 0x7F, high bit used on some older models
452                         to indicate 4052 mux was removed in favor of using MSP
453                         inputs directly. */
454                         audioic = eeprom_data[i+2] & 0x7f;
455                         if (audioic < sizeof(audioIC)/sizeof(*audioIC))
456                                 tvee->audio_processor = audioIC[audioic].id;
457                         else
458                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
459                         break;
460
461                 /* case 0x03: tag 'EEInfo' */
462
463                 case 0x04:
464                         /* tag 'SerialID2' */
465                         tvee->serial_number =
466                                 eeprom_data[i+5] +
467                                 (eeprom_data[i+6] << 8) +
468                                 (eeprom_data[i+7] << 16);
469
470                                 if ( (eeprom_data[i + 8] && 0xf0) &&
471                                         (tvee->serial_number < 0xffffff) ) {
472                                         tvee->MAC_address[0] = 0x00;
473                                         tvee->MAC_address[1] = 0x0D;
474                                         tvee->MAC_address[2] = 0xFE;
475                                         tvee->MAC_address[3] = eeprom_data[i + 7];
476                                         tvee->MAC_address[4] = eeprom_data[i + 6];
477                                         tvee->MAC_address[5] = eeprom_data[i + 5];
478                                         tvee->has_MAC_address = 1;
479                                 }
480                         break;
481
482                 case 0x05:
483                         /* tag 'Audio2'
484                         Note mask with 0x7F, high bit used on some older models
485                         to indicate 4052 mux was removed in favor of using MSP
486                         inputs directly. */
487                         audioic = eeprom_data[i+1] & 0x7f;
488                         if (audioic < sizeof(audioIC)/sizeof(*audioIC))
489                                 tvee->audio_processor = audioIC[audioic].id;
490                         else
491                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
492
493                         break;
494
495                 case 0x06:
496                         /* tag 'ModelRev' */
497                         tvee->model =
498                                 eeprom_data[i + 1] +
499                                 (eeprom_data[i + 2] << 8) +
500                                 (eeprom_data[i + 3] << 16) +
501                                 (eeprom_data[i + 4] << 24);
502                         tvee->revision =
503                                 eeprom_data[i +5 ] +
504                                 (eeprom_data[i + 6] << 8) +
505                                 (eeprom_data[i + 7] << 16);
506                         break;
507
508                 case 0x07:
509                         /* tag 'Details': according to Hauppauge not interesting
510                         on any PCI-era or later boards. */
511                         break;
512
513                 /* there is no tag 0x08 defined */
514
515                 case 0x09:
516                         /* tag 'Video' */
517                         tvee->decoder_processor = eeprom_data[i + 1];
518                         break;
519
520                 case 0x0a:
521                         /* tag 'Tuner' */
522                         if (beenhere == 0) {
523                                 tuner1 = eeprom_data[i+2];
524                                 t_format1 = eeprom_data[i+1];
525                                 beenhere = 1;
526                         } else {
527                                 /* a second (radio) tuner may be present */
528                                 tuner2 = eeprom_data[i+2];
529                                 t_format2 = eeprom_data[i+1];
530                                 if (t_format2 == 0) {  /* not a TV tuner? */
531                                         tvee->has_radio = 1; /* must be radio */
532                                 }
533                         }
534                         break;
535
536                 case 0x0b:
537                         /* tag 'Inputs': according to Hauppauge this is specific
538                         to each driver family, so no good assumptions can be
539                         made. */
540                         break;
541
542                 /* case 0x0c: tag 'Balun' */
543                 /* case 0x0d: tag 'Teletext' */
544
545                 case 0x0e:
546                         /* tag: 'Radio' */
547                         tvee->has_radio = eeprom_data[i+1];
548                         break;
549
550                 case 0x0f:
551                         /* tag 'IRInfo' */
552                         tvee->has_ir = eeprom_data[i+1];
553                         break;
554
555                 /* case 0x10: tag 'VBIInfo' */
556                 /* case 0x11: tag 'QCInfo' */
557                 /* case 0x12: tag 'InfoBits' */
558
559                 default:
560                         tveeprom_dbg("Not sure what to do with tag [%02x]\n", tag);
561                         /* dump the rest of the packet? */
562                 }
563         }
564
565         if (!done) {
566                 tveeprom_warn("Ran out of data!\n");
567                 return;
568         }
569
570         if (tvee->revision != 0) {
571                 tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
572                 tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
573                 tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
574                 tvee->rev_str[3] = 32 + ( tvee->revision        & 0x3f);
575                 tvee->rev_str[4] = 0;
576         }
577
578         if (hasRadioTuner(tuner1) && !tvee->has_radio) {
579                 tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
580                 tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
581                 tvee->has_radio = 1;
582         }
583
584         if (tuner1 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
585                 tvee->tuner_type = hauppauge_tuner[tuner1].id;
586                 t_name1 = hauppauge_tuner[tuner1].name;
587         } else {
588                 t_name1 = "unknown";
589         }
590
591         if (tuner2 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
592                 tvee->tuner2_type = hauppauge_tuner[tuner2].id;
593                 t_name2 = hauppauge_tuner[tuner2].name;
594         } else {
595                 t_name2 = "unknown";
596         }
597
598         tvee->tuner_formats = 0;
599         tvee->tuner2_formats = 0;
600         for (i = j = 0; i < 8; i++) {
601                 if (t_format1 & (1 << i)) {
602                         tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
603                         t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
604                 }
605                 if (t_format2 & (1 << i)) {
606                         tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
607                         t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
608                 }
609         }
610
611         tveeprom_info("Hauppauge model %d, rev %s, serial# %d\n",
612                 tvee->model, tvee->rev_str, tvee->serial_number);
613         if (tvee->has_MAC_address == 1) {
614                 tveeprom_info("MAC address is %02X-%02X-%02X-%02X-%02X-%02X\n",
615                         tvee->MAC_address[0], tvee->MAC_address[1],
616                         tvee->MAC_address[2], tvee->MAC_address[3],
617                         tvee->MAC_address[4], tvee->MAC_address[5]);
618         }
619         tveeprom_info("tuner model is %s (idx %d, type %d)\n",
620                 t_name1, tuner1, tvee->tuner_type);
621         tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
622                 t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2], t_fmt_name1[3],
623                 t_fmt_name1[4], t_fmt_name1[5], t_fmt_name1[6], t_fmt_name1[7],
624                 t_format1);
625         if (tuner2) {
626                 tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
627                                         t_name2, tuner2, tvee->tuner2_type);
628         }
629         if (t_format2) {
630                 tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
631                         t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2], t_fmt_name2[3],
632                         t_fmt_name2[4], t_fmt_name2[5], t_fmt_name2[6], t_fmt_name2[7],
633                         t_format2);
634         }
635         if (audioic<0) {
636                 tveeprom_info("audio processor is unknown (no idx)\n");
637                 tvee->audio_processor=AUDIO_CHIP_UNKNOWN;
638         } else {
639                 if (audioic < sizeof(audioIC)/sizeof(*audioIC))
640                         tveeprom_info("audio processor is %s (idx %d)\n",
641                                         audioIC[audioic].name,audioic);
642                 else
643                         tveeprom_info("audio processor is unknown (idx %d)\n",
644                                                                 audioic);
645         }
646         if (tvee->decoder_processor) {
647                 tveeprom_info("decoder processor is %s (idx %d)\n",
648                         STRM(decoderIC, tvee->decoder_processor),
649                         tvee->decoder_processor);
650         }
651         if (tvee->has_ir == 2)
652                 tveeprom_info("has %sradio\n",
653                                 tvee->has_radio ? "" : "no ");
654         else
655                 tveeprom_info("has %sradio, has %sIR remote\n",
656                                 tvee->has_radio ? "" : "no ",
657                                 tvee->has_ir ? "" : "no ");
658 }
659 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
660
661 /* ----------------------------------------------------------------------- */
662 /* generic helper functions                                                */
663
664 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
665 {
666         unsigned char buf;
667         int err;
668
669         buf = 0;
670         if (1 != (err = i2c_master_send(c, &buf, 1))) {
671                 tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
672                 return -1;
673         }
674         if (len != (err = i2c_master_recv(c, eedata, len))) {
675                 tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
676                 return -1;
677         }
678         if (debug) {
679                 int i;
680
681                 tveeprom_info("full 256-byte eeprom dump:\n");
682                 for (i = 0; i < len; i++) {
683                         if (0 == (i % 16))
684                                 tveeprom_info("%02x:", i);
685                         printk(" %02x", eedata[i]);
686                         if (15 == (i % 16))
687                                 printk("\n");
688                 }
689         }
690         return 0;
691 }
692 EXPORT_SYMBOL(tveeprom_read);
693
694 /* ----------------------------------------------------------------------- */
695 /* needed for ivtv.sf.net at the moment.  Should go away in the long       */
696 /* run, just call the exported tveeprom_* directly, there is no point in   */
697 /* using the indirect way via i2c_driver->command()                        */
698
699 static unsigned short normal_i2c[] = {
700         0xa0 >> 1,
701         I2C_CLIENT_END,
702 };
703
704 I2C_CLIENT_INSMOD;
705
706 static struct i2c_driver i2c_driver_tveeprom;
707
708 static int
709 tveeprom_command(struct i2c_client *client,
710                  unsigned int       cmd,
711                  void              *arg)
712 {
713         struct tveeprom eeprom;
714         u32 *eeprom_props = arg;
715         u8 *buf;
716
717         switch (cmd) {
718         case 0:
719                 buf = kmalloc(256,GFP_KERNEL);
720                 memset(buf,0,256);
721                 tveeprom_read(client,buf,256);
722                 tveeprom_hauppauge_analog(client, &eeprom,buf);
723                 kfree(buf);
724                 eeprom_props[0] = eeprom.tuner_type;
725                 eeprom_props[1] = eeprom.tuner_formats;
726                 eeprom_props[2] = eeprom.model;
727                 eeprom_props[3] = eeprom.revision;
728                 eeprom_props[4] = eeprom.has_radio;
729                 break;
730         default:
731                 return -EINVAL;
732         }
733         return 0;
734 }
735
736 static int
737 tveeprom_detect_client(struct i2c_adapter *adapter,
738                        int                 address,
739                        int                 kind)
740 {
741         struct i2c_client *client;
742
743         client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
744         if (NULL == client)
745                 return -ENOMEM;
746         memset(client, 0, sizeof(struct i2c_client));
747         client->addr = address;
748         client->adapter = adapter;
749         client->driver = &i2c_driver_tveeprom;
750         client->flags = I2C_CLIENT_ALLOW_USE;
751         snprintf(client->name, sizeof(client->name), "tveeprom");
752         i2c_attach_client(client);
753         return 0;
754 }
755
756 static int
757 tveeprom_attach_adapter (struct i2c_adapter *adapter)
758 {
759         if (adapter->id != I2C_HW_B_BT848)
760                 return 0;
761         return i2c_probe(adapter, &addr_data, tveeprom_detect_client);
762 }
763
764 static int
765 tveeprom_detach_client (struct i2c_client *client)
766 {
767         int err;
768
769         err = i2c_detach_client(client);
770         if (err < 0)
771                 return err;
772         kfree(client);
773         return 0;
774 }
775
776 static struct i2c_driver i2c_driver_tveeprom = {
777         .owner          = THIS_MODULE,
778         .name           = "tveeprom",
779         .id             = I2C_DRIVERID_TVEEPROM,
780         .flags          = I2C_DF_NOTIFY,
781         .attach_adapter = tveeprom_attach_adapter,
782         .detach_client  = tveeprom_detach_client,
783         .command        = tveeprom_command,
784 };
785
786 static int __init tveeprom_init(void)
787 {
788         return i2c_add_driver(&i2c_driver_tveeprom);
789 }
790
791 static void __exit tveeprom_exit(void)
792 {
793         i2c_del_driver(&i2c_driver_tveeprom);
794 }
795
796 module_init(tveeprom_init);
797 module_exit(tveeprom_exit);
798
799 /*
800  * Local variables:
801  * c-basic-offset: 8
802  * End:
803  */