Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | ||
44 | MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver"); | |
45 | MODULE_AUTHOR("John Klar"); | |
46 | MODULE_LICENSE("GPL"); | |
47 | ||
48 | static int debug = 0; | |
49 | module_param(debug, int, 0644); | |
50 | MODULE_PARM_DESC(debug, "Debug level (0-2)"); | |
51 | ||
52 | #define STRM(array,i) (i < sizeof(array)/sizeof(char*) ? array[i] : "unknown") | |
53 | ||
54 | #define dprintk(num, args...) \ | |
55 | do { \ | |
56 | if (debug >= num) \ | |
57 | printk(KERN_INFO "tveeprom: " args); \ | |
58 | } while (0) | |
59 | ||
60 | #define TVEEPROM_KERN_ERR(args...) printk(KERN_ERR "tveeprom: " args); | |
61 | #define TVEEPROM_KERN_INFO(args...) printk(KERN_INFO "tveeprom: " args); | |
62 | ||
63 | /* ----------------------------------------------------------------------- */ | |
64 | /* some hauppauge specific stuff */ | |
65 | ||
66 | static struct HAUPPAUGE_TUNER_FMT | |
67 | { | |
68 | int id; | |
69 | char *name; | |
70 | } | |
71 | hauppauge_tuner_fmt[] = | |
72 | { | |
73 | { 0x00000000, "unknown1" }, | |
74 | { 0x00000000, "unknown2" }, | |
75 | { 0x00000007, "PAL(B/G)" }, | |
76 | { 0x00001000, "NTSC(M)" }, | |
77 | { 0x00000010, "PAL(I)" }, | |
78 | { 0x00400000, "SECAM(L/L�)" }, | |
79 | { 0x00000e00, "PAL(D/K)" }, | |
80 | { 0x03000000, "ATSC Digital" }, | |
81 | }; | |
82 | ||
83 | /* This is the full list of possible tuners. Many thanks to Hauppauge for | |
84 | supplying this information. Note that many tuners where only used for | |
85 | testing and never made it to the outside world. So you will only see | |
86 | a subset in actual produced cards. */ | |
87 | static struct HAUPPAUGE_TUNER | |
88 | { | |
89 | int id; | |
90 | char *name; | |
91 | } | |
92 | hauppauge_tuner[] = | |
93 | { | |
94 | /* 0-9 */ | |
95 | { TUNER_ABSENT, "None" }, | |
96 | { TUNER_ABSENT, "External" }, | |
97 | { TUNER_ABSENT, "Unspecified" }, | |
98 | { TUNER_PHILIPS_PAL, "Philips FI1216" }, | |
99 | { TUNER_PHILIPS_SECAM, "Philips FI1216MF" }, | |
100 | { TUNER_PHILIPS_NTSC, "Philips FI1236" }, | |
101 | { TUNER_PHILIPS_PAL_I, "Philips FI1246" }, | |
102 | { TUNER_PHILIPS_PAL_DK,"Philips FI1256" }, | |
103 | { TUNER_PHILIPS_PAL, "Philips FI1216 MK2" }, | |
104 | { TUNER_PHILIPS_SECAM, "Philips FI1216MF MK2" }, | |
105 | /* 10-19 */ | |
106 | { TUNER_PHILIPS_NTSC, "Philips FI1236 MK2" }, | |
107 | { TUNER_PHILIPS_PAL_I, "Philips FI1246 MK2" }, | |
108 | { TUNER_PHILIPS_PAL_DK,"Philips FI1256 MK2" }, | |
109 | { TUNER_TEMIC_NTSC, "Temic 4032FY5" }, | |
110 | { TUNER_TEMIC_PAL, "Temic 4002FH5" }, | |
111 | { TUNER_TEMIC_PAL_I, "Temic 4062FY5" }, | |
112 | { TUNER_PHILIPS_PAL, "Philips FR1216 MK2" }, | |
113 | { TUNER_PHILIPS_SECAM, "Philips FR1216MF MK2" }, | |
114 | { TUNER_PHILIPS_NTSC, "Philips FR1236 MK2" }, | |
115 | { TUNER_PHILIPS_PAL_I, "Philips FR1246 MK2" }, | |
116 | /* 20-29 */ | |
117 | { TUNER_PHILIPS_PAL_DK,"Philips FR1256 MK2" }, | |
118 | { TUNER_PHILIPS_PAL, "Philips FM1216" }, | |
119 | { TUNER_PHILIPS_SECAM, "Philips FM1216MF" }, | |
120 | { TUNER_PHILIPS_NTSC, "Philips FM1236" }, | |
121 | { TUNER_PHILIPS_PAL_I, "Philips FM1246" }, | |
122 | { TUNER_PHILIPS_PAL_DK,"Philips FM1256" }, | |
123 | { TUNER_TEMIC_4036FY5_NTSC, "Temic 4036FY5" }, | |
124 | { TUNER_ABSENT, "Samsung TCPN9082D" }, | |
125 | { TUNER_ABSENT, "Samsung TCPM9092P" }, | |
126 | { TUNER_TEMIC_4006FH5_PAL, "Temic 4006FH5" }, | |
127 | /* 30-39 */ | |
128 | { TUNER_ABSENT, "Samsung TCPN9085D" }, | |
129 | { TUNER_ABSENT, "Samsung TCPB9085P" }, | |
130 | { TUNER_ABSENT, "Samsung TCPL9091P" }, | |
131 | { TUNER_TEMIC_4039FR5_NTSC, "Temic 4039FR5" }, | |
132 | { TUNER_PHILIPS_FQ1216ME, "Philips FQ1216 ME" }, | |
133 | { TUNER_TEMIC_4066FY5_PAL_I, "Temic 4066FY5" }, | |
134 | { TUNER_PHILIPS_NTSC, "Philips TD1536" }, | |
135 | { TUNER_PHILIPS_NTSC, "Philips TD1536D" }, | |
136 | { TUNER_PHILIPS_NTSC, "Philips FMR1236" }, /* mono radio */ | |
137 | { TUNER_ABSENT, "Philips FI1256MP" }, | |
138 | /* 40-49 */ | |
139 | { TUNER_ABSENT, "Samsung TCPQ9091P" }, | |
140 | { TUNER_TEMIC_4006FN5_MULTI_PAL, "Temic 4006FN5" }, | |
141 | { TUNER_TEMIC_4009FR5_PAL, "Temic 4009FR5" }, | |
142 | { TUNER_TEMIC_4046FM5, "Temic 4046FM5" }, | |
143 | { TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" }, | |
144 | { TUNER_ABSENT, "Philips TD1536D FH 44"}, | |
145 | { TUNER_LG_NTSC_FM, "LG TP18NSR01F"}, | |
146 | { TUNER_LG_PAL_FM, "LG TP18PSB01D"}, | |
147 | { TUNER_LG_PAL, "LG TP18PSB11D"}, | |
148 | { TUNER_LG_PAL_I_FM, "LG TAPC-I001D"}, | |
149 | /* 50-59 */ | |
150 | { TUNER_LG_PAL_I, "LG TAPC-I701D"}, | |
151 | { TUNER_ABSENT, "Temic 4042FI5"}, | |
152 | { TUNER_MICROTUNE_4049FM5, "Microtune 4049 FM5"}, | |
153 | { TUNER_ABSENT, "LG TPI8NSR11F"}, | |
154 | { TUNER_ABSENT, "Microtune 4049 FM5 Alt I2C"}, | |
155 | { TUNER_ABSENT, "Philips FQ1216ME MK3"}, | |
156 | { TUNER_ABSENT, "Philips FI1236 MK3"}, | |
157 | { TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216 ME MK3"}, | |
158 | { TUNER_ABSENT, "Philips FM1236 MK3"}, | |
159 | { TUNER_ABSENT, "Philips FM1216MP MK3"}, | |
160 | /* 60-69 */ | |
161 | { TUNER_ABSENT, "LG S001D MK3"}, | |
162 | { TUNER_ABSENT, "LG M001D MK3"}, | |
163 | { TUNER_ABSENT, "LG S701D MK3"}, | |
164 | { TUNER_ABSENT, "LG M701D MK3"}, | |
165 | { TUNER_ABSENT, "Temic 4146FM5"}, | |
166 | { TUNER_ABSENT, "Temic 4136FY5"}, | |
167 | { TUNER_ABSENT, "Temic 4106FH5"}, | |
168 | { TUNER_ABSENT, "Philips FQ1216LMP MK3"}, | |
169 | { TUNER_LG_NTSC_TAPE, "LG TAPE H001F MK3"}, | |
170 | { TUNER_ABSENT, "LG TAPE H701F MK3"}, | |
171 | /* 70-79 */ | |
172 | { TUNER_ABSENT, "LG TALN H200T"}, | |
173 | { TUNER_ABSENT, "LG TALN H250T"}, | |
174 | { TUNER_ABSENT, "LG TALN M200T"}, | |
175 | { TUNER_ABSENT, "LG TALN Z200T"}, | |
176 | { TUNER_ABSENT, "LG TALN S200T"}, | |
177 | { TUNER_ABSENT, "Thompson DTT7595"}, | |
178 | { TUNER_ABSENT, "Thompson DTT7592"}, | |
179 | { TUNER_ABSENT, "Silicon TDA8275C1 8290"}, | |
180 | { TUNER_ABSENT, "Silicon TDA8275C1 8290 FM"}, | |
181 | { TUNER_ABSENT, "Thompson DTT757"}, | |
182 | /* 80-89 */ | |
183 | { TUNER_ABSENT, "Philips FQ1216LME MK3"}, | |
184 | { TUNER_ABSENT, "LG TAPC G701D"}, | |
185 | { TUNER_LG_NTSC_NEW_TAPC, "LG TAPC H791F"}, | |
186 | { TUNER_ABSENT, "TCL 2002MB 3"}, | |
187 | { TUNER_ABSENT, "TCL 2002MI 3"}, | |
188 | { TUNER_TCL_2002N, "TCL 2002N 6A"}, | |
189 | { TUNER_ABSENT, "Philips FQ1236 MK3"}, | |
190 | { TUNER_ABSENT, "Samsung TCPN 2121P30A"}, | |
191 | { TUNER_ABSENT, "Samsung TCPE 4121P30A"}, | |
192 | { TUNER_ABSENT, "TCL MFPE05 2"}, | |
193 | /* 90-99 */ | |
194 | { TUNER_ABSENT, "LG TALN H202T"}, | |
195 | { TUNER_PHILIPS_FQ1216AME_MK4, "Philips FQ1216AME MK4"}, | |
196 | { TUNER_PHILIPS_FQ1236A_MK4, "Philips FQ1236A MK4"}, | |
197 | { TUNER_ABSENT, "Philips FQ1286A MK4"}, | |
198 | { TUNER_ABSENT, "Philips FQ1216ME MK5"}, | |
199 | { TUNER_ABSENT, "Philips FQ1236 MK5"}, | |
200 | { TUNER_ABSENT, "Unspecified"}, | |
201 | { TUNER_LG_PAL_TAPE, "LG PAL (TAPE Series)"}, | |
202 | }; | |
203 | ||
204 | static char *sndtype[] = { | |
205 | "None", "TEA6300", "TEA6320", "TDA9850", "MSP3400C", "MSP3410D", | |
206 | "MSP3415", "MSP3430", "MSP3438", "CS5331", "MSP3435", "MSP3440", | |
207 | "MSP3445", "MSP3411", "MSP3416", "MSP3425", | |
208 | ||
209 | "Type 0x10","Type 0x11","Type 0x12","Type 0x13", | |
210 | "Type 0x14","Type 0x15","Type 0x16","Type 0x17", | |
211 | "Type 0x18","MSP4418","Type 0x1a","MSP4448", | |
212 | "Type 0x1c","Type 0x1d","Type 0x1e","Type 0x1f", | |
213 | }; | |
214 | ||
215 | static int hasRadioTuner(int tunerType) | |
216 | { | |
217 | switch (tunerType) { | |
218 | case 18: //PNPEnv_TUNER_FR1236_MK2: | |
219 | case 23: //PNPEnv_TUNER_FM1236: | |
220 | case 38: //PNPEnv_TUNER_FMR1236: | |
221 | case 16: //PNPEnv_TUNER_FR1216_MK2: | |
222 | case 19: //PNPEnv_TUNER_FR1246_MK2: | |
223 | case 21: //PNPEnv_TUNER_FM1216: | |
224 | case 24: //PNPEnv_TUNER_FM1246: | |
225 | case 17: //PNPEnv_TUNER_FR1216MF_MK2: | |
226 | case 22: //PNPEnv_TUNER_FM1216MF: | |
227 | case 20: //PNPEnv_TUNER_FR1256_MK2: | |
228 | case 25: //PNPEnv_TUNER_FM1256: | |
229 | case 33: //PNPEnv_TUNER_4039FR5: | |
230 | case 42: //PNPEnv_TUNER_4009FR5: | |
231 | case 52: //PNPEnv_TUNER_4049FM5: | |
232 | case 54: //PNPEnv_TUNER_4049FM5_AltI2C: | |
233 | case 44: //PNPEnv_TUNER_4009FN5: | |
234 | case 31: //PNPEnv_TUNER_TCPB9085P: | |
235 | case 30: //PNPEnv_TUNER_TCPN9085D: | |
236 | case 46: //PNPEnv_TUNER_TP18NSR01F: | |
237 | case 47: //PNPEnv_TUNER_TP18PSB01D: | |
238 | case 49: //PNPEnv_TUNER_TAPC_I001D: | |
239 | case 60: //PNPEnv_TUNER_TAPE_S001D_MK3: | |
240 | case 57: //PNPEnv_TUNER_FM1216ME_MK3: | |
241 | case 59: //PNPEnv_TUNER_FM1216MP_MK3: | |
242 | case 58: //PNPEnv_TUNER_FM1236_MK3: | |
243 | case 68: //PNPEnv_TUNER_TAPE_H001F_MK3: | |
244 | case 61: //PNPEnv_TUNER_TAPE_M001D_MK3: | |
245 | case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM: | |
246 | case 89: //PNPEnv_TUNER_TCL_MFPE05_2: | |
247 | case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4: | |
248 | return 1; | |
249 | } | |
250 | return 0; | |
251 | } | |
252 | ||
253 | void tveeprom_hauppauge_analog(struct tveeprom *tvee, unsigned char *eeprom_data) | |
254 | { | |
255 | /* ---------------------------------------------- | |
256 | ** The hauppauge eeprom format is tagged | |
257 | ** | |
258 | ** if packet[0] == 0x84, then packet[0..1] == length | |
259 | ** else length = packet[0] & 3f; | |
260 | ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum | |
261 | ** | |
262 | ** In our (ivtv) case we're interested in the following: | |
263 | ** tuner type: tag [00].05 or [0a].01 (index into hauppauge_tuner) | |
264 | ** tuner fmts: tag [00].04 or [0a].00 (bitmask index into hauppauge_tuner_fmt) | |
265 | ** radio: tag [00].{last} or [0e].00 (bitmask. bit2=FM) | |
266 | ** audio proc: tag [02].01 or [05].00 (lower nibble indexes lut?) | |
267 | ||
268 | ** Fun info: | |
269 | ** model: tag [00].07-08 or [06].00-01 | |
270 | ** revision: tag [00].09-0b or [06].04-06 | |
271 | ** serial#: tag [01].05-07 or [04].04-06 | |
272 | ||
273 | ** # of inputs/outputs ??? | |
274 | */ | |
275 | ||
276 | int i, j, len, done, beenhere, tag, tuner = 0, t_format = 0; | |
277 | char *t_name = NULL, *t_fmt_name = NULL; | |
278 | ||
279 | dprintk(1, "%s\n",__FUNCTION__); | |
280 | tvee->revision = done = len = beenhere = 0; | |
281 | for (i = 0; !done && i < 256; i += len) { | |
282 | dprintk(2, "processing pos = %02x (%02x, %02x)\n", | |
283 | i, eeprom_data[i], eeprom_data[i + 1]); | |
284 | ||
285 | if (eeprom_data[i] == 0x84) { | |
286 | len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8); | |
287 | i+=3; | |
288 | } else if ((eeprom_data[i] & 0xf0) == 0x70) { | |
289 | if ((eeprom_data[i] & 0x08)) { | |
290 | /* verify checksum! */ | |
291 | done = 1; | |
292 | break; | |
293 | } | |
294 | len = eeprom_data[i] & 0x07; | |
295 | ++i; | |
296 | } else { | |
297 | TVEEPROM_KERN_ERR("Encountered bad packet header [%02x]. " | |
298 | "Corrupt or not a Hauppauge eeprom.\n", eeprom_data[i]); | |
299 | return; | |
300 | } | |
301 | ||
302 | dprintk(1, "%3d [%02x] ", len, eeprom_data[i]); | |
303 | for(j = 1; j < len; j++) { | |
304 | dprintk(1, "%02x ", eeprom_data[i + j]); | |
305 | } | |
306 | dprintk(1, "\n"); | |
307 | ||
308 | /* process by tag */ | |
309 | tag = eeprom_data[i]; | |
310 | switch (tag) { | |
311 | case 0x00: | |
312 | tuner = eeprom_data[i+6]; | |
313 | t_format = eeprom_data[i+5]; | |
314 | tvee->has_radio = eeprom_data[i+len-1]; | |
315 | tvee->model = | |
316 | eeprom_data[i+8] + | |
317 | (eeprom_data[i+9] << 8); | |
318 | tvee->revision = eeprom_data[i+10] + | |
319 | (eeprom_data[i+11] << 8) + | |
320 | (eeprom_data[i+12] << 16); | |
321 | break; | |
322 | case 0x01: | |
323 | tvee->serial_number = | |
324 | eeprom_data[i+6] + | |
325 | (eeprom_data[i+7] << 8) + | |
326 | (eeprom_data[i+8] << 16); | |
327 | break; | |
328 | case 0x02: | |
329 | tvee->audio_processor = eeprom_data[i+2] & 0x0f; | |
330 | break; | |
331 | case 0x04: | |
332 | tvee->serial_number = | |
333 | eeprom_data[i+5] + | |
334 | (eeprom_data[i+6] << 8) + | |
335 | (eeprom_data[i+7] << 16); | |
336 | break; | |
337 | case 0x05: | |
338 | tvee->audio_processor = eeprom_data[i+1] & 0x0f; | |
339 | break; | |
340 | case 0x06: | |
341 | tvee->model = | |
342 | eeprom_data[i+1] + | |
343 | (eeprom_data[i+2] << 8); | |
344 | tvee->revision = eeprom_data[i+5] + | |
345 | (eeprom_data[i+6] << 8) + | |
346 | (eeprom_data[i+7] << 16); | |
347 | break; | |
348 | case 0x0a: | |
349 | if(beenhere == 0) { | |
350 | tuner = eeprom_data[i+2]; | |
351 | t_format = eeprom_data[i+1]; | |
352 | beenhere = 1; | |
353 | break; | |
354 | } else { | |
355 | break; | |
356 | } | |
357 | case 0x0e: | |
358 | tvee->has_radio = eeprom_data[i+1]; | |
359 | break; | |
360 | default: | |
361 | dprintk(1, "Not sure what to do with tag [%02x]\n", tag); | |
362 | /* dump the rest of the packet? */ | |
363 | } | |
364 | ||
365 | } | |
366 | ||
367 | if (!done) { | |
368 | TVEEPROM_KERN_ERR("Ran out of data!\n"); | |
369 | return; | |
370 | } | |
371 | ||
372 | if (tvee->revision != 0) { | |
373 | tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f); | |
374 | tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f); | |
375 | tvee->rev_str[2] = 32 + ((tvee->revision >> 6) & 0x3f); | |
376 | tvee->rev_str[3] = 32 + ( tvee->revision & 0x3f); | |
377 | tvee->rev_str[4] = 0; | |
378 | } | |
379 | ||
380 | if (hasRadioTuner(tuner) && !tvee->has_radio) { | |
381 | TVEEPROM_KERN_INFO("The eeprom says no radio is present, but the tuner type\n"); | |
382 | TVEEPROM_KERN_INFO("indicates otherwise. I will assume that radio is present.\n"); | |
383 | tvee->has_radio = 1; | |
384 | } | |
385 | ||
386 | if (tuner < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) { | |
387 | tvee->tuner_type = hauppauge_tuner[tuner].id; | |
388 | t_name = hauppauge_tuner[tuner].name; | |
389 | } else { | |
390 | t_name = "<unknown>"; | |
391 | } | |
392 | ||
393 | tvee->tuner_formats = 0; | |
394 | t_fmt_name = "<none>"; | |
395 | for (i = 0; i < 8; i++) { | |
396 | if (t_format & (1<<i)) { | |
397 | tvee->tuner_formats |= hauppauge_tuner_fmt[i].id; | |
398 | /* yuck */ | |
399 | t_fmt_name = hauppauge_tuner_fmt[i].name; | |
400 | } | |
401 | } | |
402 | ||
403 | #if 0 | |
404 | if (t_format < sizeof(hauppauge_tuner_fmt)/sizeof(struct HAUPPAUGE_TUNER_FMT)) { | |
405 | tvee->tuner_formats = hauppauge_tuner_fmt[t_format].id; | |
406 | t_fmt_name = hauppauge_tuner_fmt[t_format].name; | |
407 | } else { | |
408 | t_fmt_name = "<unknown>"; | |
409 | } | |
410 | #endif | |
411 | ||
412 | TVEEPROM_KERN_INFO("Hauppauge: model = %d, rev = %s, serial# = %d\n", | |
413 | tvee->model, | |
414 | tvee->rev_str, | |
415 | tvee->serial_number); | |
416 | TVEEPROM_KERN_INFO("tuner = %s (idx = %d, type = %d)\n", | |
417 | t_name, | |
418 | tuner, | |
419 | tvee->tuner_type); | |
420 | TVEEPROM_KERN_INFO("tuner fmt = %s (eeprom = 0x%02x, v4l2 = 0x%08x)\n", | |
421 | t_fmt_name, | |
422 | t_format, | |
423 | tvee->tuner_formats); | |
424 | ||
425 | TVEEPROM_KERN_INFO("audio_processor = %s (type = %d)\n", | |
426 | STRM(sndtype,tvee->audio_processor), | |
427 | tvee->audio_processor); | |
428 | ||
429 | } | |
430 | EXPORT_SYMBOL(tveeprom_hauppauge_analog); | |
431 | ||
432 | /* ----------------------------------------------------------------------- */ | |
433 | /* generic helper functions */ | |
434 | ||
435 | int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len) | |
436 | { | |
437 | unsigned char buf; | |
438 | int err; | |
439 | ||
440 | dprintk(1, "%s\n",__FUNCTION__); | |
441 | buf = 0; | |
442 | if (1 != (err = i2c_master_send(c,&buf,1))) { | |
443 | printk(KERN_INFO "tveeprom(%s): Huh, no eeprom present (err=%d)?\n", | |
444 | c->name,err); | |
445 | return -1; | |
446 | } | |
447 | if (len != (err = i2c_master_recv(c,eedata,len))) { | |
448 | printk(KERN_WARNING "tveeprom(%s): i2c eeprom read error (err=%d)\n", | |
449 | c->name,err); | |
450 | return -1; | |
451 | } | |
452 | return 0; | |
453 | } | |
454 | EXPORT_SYMBOL(tveeprom_read); | |
455 | ||
456 | int tveeprom_dump(unsigned char *eedata, int len) | |
457 | { | |
458 | int i; | |
459 | ||
460 | dprintk(1, "%s\n",__FUNCTION__); | |
461 | for (i = 0; i < len; i++) { | |
462 | if (0 == (i % 16)) | |
463 | printk(KERN_INFO "tveeprom: %02x:",i); | |
464 | printk(" %02x",eedata[i]); | |
465 | if (15 == (i % 16)) | |
466 | printk("\n"); | |
467 | } | |
468 | return 0; | |
469 | } | |
470 | EXPORT_SYMBOL(tveeprom_dump); | |
471 | ||
472 | /* ----------------------------------------------------------------------- */ | |
473 | /* needed for ivtv.sf.net at the moment. Should go away in the long */ | |
474 | /* run, just call the exported tveeprom_* directly, there is no point in */ | |
475 | /* using the indirect way via i2c_driver->command() */ | |
476 | ||
477 | #ifndef I2C_DRIVERID_TVEEPROM | |
478 | # define I2C_DRIVERID_TVEEPROM I2C_DRIVERID_EXP2 | |
479 | #endif | |
480 | ||
481 | static unsigned short normal_i2c[] = { | |
482 | 0xa0 >> 1, | |
483 | I2C_CLIENT_END, | |
484 | }; | |
485 | static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; | |
486 | I2C_CLIENT_INSMOD; | |
487 | ||
488 | struct i2c_driver i2c_driver_tveeprom; | |
489 | ||
490 | static int | |
491 | tveeprom_command(struct i2c_client *client, | |
492 | unsigned int cmd, | |
493 | void *arg) | |
494 | { | |
495 | struct tveeprom eeprom; | |
496 | u32 *eeprom_props = arg; | |
497 | u8 *buf; | |
498 | ||
499 | switch (cmd) { | |
500 | case 0: | |
501 | buf = kmalloc(256,GFP_KERNEL); | |
502 | memset(buf,0,256); | |
503 | tveeprom_read(client,buf,256); | |
504 | tveeprom_hauppauge_analog(&eeprom,buf); | |
505 | kfree(buf); | |
506 | eeprom_props[0] = eeprom.tuner_type; | |
507 | eeprom_props[1] = eeprom.tuner_formats; | |
508 | eeprom_props[2] = eeprom.model; | |
509 | eeprom_props[3] = eeprom.revision; | |
510 | break; | |
511 | default: | |
512 | return -EINVAL; | |
513 | } | |
514 | return 0; | |
515 | } | |
516 | ||
517 | static int | |
518 | tveeprom_detect_client(struct i2c_adapter *adapter, | |
519 | int address, | |
520 | int kind) | |
521 | { | |
522 | struct i2c_client *client; | |
523 | ||
524 | dprintk(1,"%s: id 0x%x @ 0x%x\n",__FUNCTION__, | |
525 | adapter->id, address << 1); | |
526 | client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
527 | if (NULL == client) | |
528 | return -ENOMEM; | |
529 | memset(client, 0, sizeof(struct i2c_client)); | |
530 | client->addr = address; | |
531 | client->adapter = adapter; | |
532 | client->driver = &i2c_driver_tveeprom; | |
533 | client->flags = I2C_CLIENT_ALLOW_USE; | |
534 | snprintf(client->name, sizeof(client->name), "tveeprom"); | |
535 | i2c_attach_client(client); | |
536 | return 0; | |
537 | } | |
538 | ||
539 | static int | |
540 | tveeprom_attach_adapter (struct i2c_adapter *adapter) | |
541 | { | |
542 | dprintk(1,"%s: id 0x%x\n",__FUNCTION__,adapter->id); | |
543 | if (adapter->id != (I2C_ALGO_BIT | I2C_HW_B_BT848)) | |
544 | return 0; | |
545 | return i2c_probe(adapter, &addr_data, tveeprom_detect_client); | |
546 | } | |
547 | ||
548 | static int | |
549 | tveeprom_detach_client (struct i2c_client *client) | |
550 | { | |
551 | int err; | |
552 | ||
553 | err = i2c_detach_client(client); | |
554 | if (err < 0) | |
555 | return err; | |
556 | kfree(client); | |
557 | return 0; | |
558 | } | |
559 | ||
560 | struct i2c_driver i2c_driver_tveeprom = { | |
561 | .owner = THIS_MODULE, | |
562 | .name = "tveeprom", | |
563 | .id = I2C_DRIVERID_TVEEPROM, | |
564 | .flags = I2C_DF_NOTIFY, | |
565 | .attach_adapter = tveeprom_attach_adapter, | |
566 | .detach_client = tveeprom_detach_client, | |
567 | .command = tveeprom_command, | |
568 | }; | |
569 | ||
570 | static int __init tveeprom_init(void) | |
571 | { | |
572 | return i2c_add_driver(&i2c_driver_tveeprom); | |
573 | } | |
574 | ||
575 | static void __exit tveeprom_exit(void) | |
576 | { | |
577 | i2c_del_driver(&i2c_driver_tveeprom); | |
578 | } | |
579 | ||
580 | module_init(tveeprom_init); | |
581 | module_exit(tveeprom_exit); | |
582 | ||
583 | /* | |
584 | * Local variables: | |
585 | * c-basic-offset: 8 | |
586 | * End: | |
587 | */ |