1 /*
2 * Driver for the NXP SAA7164 PCIe bridge
3 *
4 * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 *
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include <linux/init.h>
23 #include <linux/module.h>
24 #include <linux/pci.h>
25 #include <linux/delay.h>
26
27 #include "saa7164.h"
28
29 /* The Bridge API needs to understand register widths (in bytes) for the
30 * attached I2C devices, so we can simplify the virtual i2c mechansms
31 * and keep the -i2c.c implementation clean.
32 */
33 #define REGLEN_8bit 1
34 #define REGLEN_16bit 2
35
36 struct saa7164_board saa7164_boards[] = {
37 [SAA7164_BOARD_UNKNOWN] = {
38 /* Bridge will not load any firmware, without knowing
39 * the rev this would be fatal. */
40 .name = "Unknown",
41 },
42 [SAA7164_BOARD_UNKNOWN_REV2] = {
43 /* Bridge will load the v2 f/w and dump descriptors */
44 /* Required during new board bringup */
45 .name = "Generic Rev2",
46 .chiprev = SAA7164_CHIP_REV2,
47 },
48 [SAA7164_BOARD_UNKNOWN_REV3] = {
49 /* Bridge will load the v2 f/w and dump descriptors */
50 /* Required during new board bringup */
51 .name = "Generic Rev3",
52 .chiprev = SAA7164_CHIP_REV3,
53 },
54 [SAA7164_BOARD_HAUPPAUGE_HVR2200] = {
55 .name = "Hauppauge WinTV-HVR2200",
56 .porta = SAA7164_MPEG_DVB,
57 .portb = SAA7164_MPEG_DVB,
58 .portc = SAA7164_MPEG_ENCODER,
59 .portd = SAA7164_MPEG_ENCODER,
60 .porte = SAA7164_MPEG_VBI,
61 .portf = SAA7164_MPEG_VBI,
62 .chiprev = SAA7164_CHIP_REV3,
63 .unit = {{
64 .id = 0x1d,
65 .type = SAA7164_UNIT_EEPROM,
66 .name = "4K EEPROM",
67 .i2c_bus_nr = SAA7164_I2C_BUS_0,
68 .i2c_bus_addr = 0xa0 >> 1,
69 .i2c_reg_len = REGLEN_8bit,
70 }, {
71 .id = 0x04,
72 .type = SAA7164_UNIT_TUNER,
73 .name = "TDA18271-1",
74 .i2c_bus_nr = SAA7164_I2C_BUS_1,
75 .i2c_bus_addr = 0xc0 >> 1,
76 .i2c_reg_len = REGLEN_8bit,
77 }, {
78 .id = 0x1b,
79 .type = SAA7164_UNIT_TUNER,
80 .name = "TDA18271-2",
81 .i2c_bus_nr = SAA7164_I2C_BUS_2,
82 .i2c_bus_addr = 0xc0 >> 1,
83 .i2c_reg_len = REGLEN_8bit,
84 }, {
85 .id = 0x1e,
86 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
87 .name = "TDA10048-1",
88 .i2c_bus_nr = SAA7164_I2C_BUS_1,
89 .i2c_bus_addr = 0x10 >> 1,
90 .i2c_reg_len = REGLEN_8bit,
91 }, {
92 .id = 0x1f,
93 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
94 .name = "TDA10048-2",
95 .i2c_bus_nr = SAA7164_I2C_BUS_2,
96 .i2c_bus_addr = 0x12 >> 1,
97 .i2c_reg_len = REGLEN_8bit,
98 } },
99 },
100 [SAA7164_BOARD_HAUPPAUGE_HVR2200_2] = {
101 .name = "Hauppauge WinTV-HVR2200",
102 .porta = SAA7164_MPEG_DVB,
103 .portb = SAA7164_MPEG_DVB,
104 .portc = SAA7164_MPEG_ENCODER,
105 .portd = SAA7164_MPEG_ENCODER,
106 .porte = SAA7164_MPEG_VBI,
107 .portf = SAA7164_MPEG_VBI,
108 .chiprev = SAA7164_CHIP_REV2,
109 .unit = {{
110 .id = 0x06,
111 .type = SAA7164_UNIT_EEPROM,
112 .name = "4K EEPROM",
113 .i2c_bus_nr = SAA7164_I2C_BUS_0,
114 .i2c_bus_addr = 0xa0 >> 1,
115 .i2c_reg_len = REGLEN_8bit,
116 }, {
117 .id = 0x04,
118 .type = SAA7164_UNIT_TUNER,
119 .name = "TDA18271-1",
120 .i2c_bus_nr = SAA7164_I2C_BUS_1,
121 .i2c_bus_addr = 0xc0 >> 1,
122 .i2c_reg_len = REGLEN_8bit,
123 }, {
124 .id = 0x05,
125 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
126 .name = "TDA10048-1",
127 .i2c_bus_nr = SAA7164_I2C_BUS_1,
128 .i2c_bus_addr = 0x10 >> 1,
129 .i2c_reg_len = REGLEN_8bit,
130 }, {
131 .id = 0x1e,
132 .type = SAA7164_UNIT_TUNER,
133 .name = "TDA18271-2",
134 .i2c_bus_nr = SAA7164_I2C_BUS_2,
135 .i2c_bus_addr = 0xc0 >> 1,
136 .i2c_reg_len = REGLEN_8bit,
137 }, {
138 .id = 0x1f,
139 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
140 .name = "TDA10048-2",
141 .i2c_bus_nr = SAA7164_I2C_BUS_2,
142 .i2c_bus_addr = 0x12 >> 1,
143 .i2c_reg_len = REGLEN_8bit,
144 } },
145 },
146 [SAA7164_BOARD_HAUPPAUGE_HVR2200_3] = {
147 .name = "Hauppauge WinTV-HVR2200",
148 .porta = SAA7164_MPEG_DVB,
149 .portb = SAA7164_MPEG_DVB,
150 .portc = SAA7164_MPEG_ENCODER,
151 .portd = SAA7164_MPEG_ENCODER,
152 .porte = SAA7164_MPEG_VBI,
153 .portf = SAA7164_MPEG_VBI,
154 .chiprev = SAA7164_CHIP_REV2,
155 .unit = {{
156 .id = 0x1d,
157 .type = SAA7164_UNIT_EEPROM,
158 .name = "4K EEPROM",
159 .i2c_bus_nr = SAA7164_I2C_BUS_0,
160 .i2c_bus_addr = 0xa0 >> 1,
161 .i2c_reg_len = REGLEN_8bit,
162 }, {
163 .id = 0x04,
164 .type = SAA7164_UNIT_TUNER,
165 .name = "TDA18271-1",
166 .i2c_bus_nr = SAA7164_I2C_BUS_1,
167 .i2c_bus_addr = 0xc0 >> 1,
168 .i2c_reg_len = REGLEN_8bit,
169 }, {
170 .id = 0x05,
171 .type = SAA7164_UNIT_ANALOG_DEMODULATOR,
172 .name = "TDA8290-1",
173 .i2c_bus_nr = SAA7164_I2C_BUS_1,
174 .i2c_bus_addr = 0x84 >> 1,
175 .i2c_reg_len = REGLEN_8bit,
176 }, {
177 .id = 0x1b,
178 .type = SAA7164_UNIT_TUNER,
179 .name = "TDA18271-2",
180 .i2c_bus_nr = SAA7164_I2C_BUS_2,
181 .i2c_bus_addr = 0xc0 >> 1,
182 .i2c_reg_len = REGLEN_8bit,
183 }, {
184 .id = 0x1c,
185 .type = SAA7164_UNIT_ANALOG_DEMODULATOR,
186 .name = "TDA8290-2",
187 .i2c_bus_nr = SAA7164_I2C_BUS_2,
188 .i2c_bus_addr = 0x84 >> 1,
189 .i2c_reg_len = REGLEN_8bit,
190 }, {
191 .id = 0x1e,
192 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
193 .name = "TDA10048-1",
194 .i2c_bus_nr = SAA7164_I2C_BUS_1,
195 .i2c_bus_addr = 0x10 >> 1,
196 .i2c_reg_len = REGLEN_8bit,
197 }, {
198 .id = 0x1f,
199 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
200 .name = "TDA10048-2",
201 .i2c_bus_nr = SAA7164_I2C_BUS_2,
202 .i2c_bus_addr = 0x12 >> 1,
203 .i2c_reg_len = REGLEN_8bit,
204 } },
205 },
206 [SAA7164_BOARD_HAUPPAUGE_HVR2250] = {
207 .name = "Hauppauge WinTV-HVR2250",
208 .porta = SAA7164_MPEG_DVB,
209 .portb = SAA7164_MPEG_DVB,
210 .portc = SAA7164_MPEG_ENCODER,
211 .portd = SAA7164_MPEG_ENCODER,
212 .portc = SAA7164_MPEG_ENCODER,
213 .portd = SAA7164_MPEG_ENCODER,
214 .porte = SAA7164_MPEG_VBI,
215 .portf = SAA7164_MPEG_VBI,
216 .chiprev = SAA7164_CHIP_REV3,
217 .unit = {{
218 .id = 0x22,
219 .type = SAA7164_UNIT_EEPROM,
220 .name = "4K EEPROM",
221 .i2c_bus_nr = SAA7164_I2C_BUS_0,
222 .i2c_bus_addr = 0xa0 >> 1,
223 .i2c_reg_len = REGLEN_8bit,
224 }, {
225 .id = 0x04,
226 .type = SAA7164_UNIT_TUNER,
227 .name = "TDA18271-1",
228 .i2c_bus_nr = SAA7164_I2C_BUS_1,
229 .i2c_bus_addr = 0xc0 >> 1,
230 .i2c_reg_len = REGLEN_8bit,
231 }, {
232 .id = 0x07,
233 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
234 .name = "CX24228/S5H1411-1 (TOP)",
235 .i2c_bus_nr = SAA7164_I2C_BUS_1,
236 .i2c_bus_addr = 0x32 >> 1,
237 .i2c_reg_len = REGLEN_8bit,
238 }, {
239 .id = 0x08,
240 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
241 .name = "CX24228/S5H1411-1 (QAM)",
242 .i2c_bus_nr = SAA7164_I2C_BUS_1,
243 .i2c_bus_addr = 0x34 >> 1,
244 .i2c_reg_len = REGLEN_8bit,
245 }, {
246 .id = 0x1e,
247 .type = SAA7164_UNIT_TUNER,
248 .name = "TDA18271-2",
249 .i2c_bus_nr = SAA7164_I2C_BUS_2,
250 .i2c_bus_addr = 0xc0 >> 1,
251 .i2c_reg_len = REGLEN_8bit,
252 }, {
253 .id = 0x20,
254 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
255 .name = "CX24228/S5H1411-2 (TOP)",
256 .i2c_bus_nr = SAA7164_I2C_BUS_2,
257 .i2c_bus_addr = 0x32 >> 1,
258 .i2c_reg_len = REGLEN_8bit,
259 }, {
260 .id = 0x23,
261 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
262 .name = "CX24228/S5H1411-2 (QAM)",
263 .i2c_bus_nr = SAA7164_I2C_BUS_2,
264 .i2c_bus_addr = 0x34 >> 1,
265 .i2c_reg_len = REGLEN_8bit,
266 } },
267 },
268 [SAA7164_BOARD_HAUPPAUGE_HVR2250_2] = {
269 .name = "Hauppauge WinTV-HVR2250",
270 .porta = SAA7164_MPEG_DVB,
271 .portb = SAA7164_MPEG_DVB,
272 .portc = SAA7164_MPEG_ENCODER,
273 .portd = SAA7164_MPEG_ENCODER,
274 .porte = SAA7164_MPEG_VBI,
275 .portf = SAA7164_MPEG_VBI,
276 .porte = SAA7164_MPEG_VBI,
277 .portf = SAA7164_MPEG_VBI,
278 .chiprev = SAA7164_CHIP_REV3,
279 .unit = {{
280 .id = 0x28,
281 .type = SAA7164_UNIT_EEPROM,
282 .name = "4K EEPROM",
283 .i2c_bus_nr = SAA7164_I2C_BUS_0,
284 .i2c_bus_addr = 0xa0 >> 1,
285 .i2c_reg_len = REGLEN_8bit,
286 }, {
287 .id = 0x04,
288 .type = SAA7164_UNIT_TUNER,
289 .name = "TDA18271-1",
290 .i2c_bus_nr = SAA7164_I2C_BUS_1,
291 .i2c_bus_addr = 0xc0 >> 1,
292 .i2c_reg_len = REGLEN_8bit,
293 }, {
294 .id = 0x07,
295 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
296 .name = "CX24228/S5H1411-1 (TOP)",
297 .i2c_bus_nr = SAA7164_I2C_BUS_1,
298 .i2c_bus_addr = 0x32 >> 1,
299 .i2c_reg_len = REGLEN_8bit,
300 }, {
301 .id = 0x08,
302 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
303 .name = "CX24228/S5H1411-1 (QAM)",
304 .i2c_bus_nr = SAA7164_I2C_BUS_1,
305 .i2c_bus_addr = 0x34 >> 1,
306 .i2c_reg_len = REGLEN_8bit,
307 }, {
308 .id = 0x24,
309 .type = SAA7164_UNIT_TUNER,
310 .name = "TDA18271-2",
311 .i2c_bus_nr = SAA7164_I2C_BUS_2,
312 .i2c_bus_addr = 0xc0 >> 1,
313 .i2c_reg_len = REGLEN_8bit,
314 }, {
315 .id = 0x26,
316 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
317 .name = "CX24228/S5H1411-2 (TOP)",
318 .i2c_bus_nr = SAA7164_I2C_BUS_2,
319 .i2c_bus_addr = 0x32 >> 1,
320 .i2c_reg_len = REGLEN_8bit,
321 }, {
322 .id = 0x29,
323 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
324 .name = "CX24228/S5H1411-2 (QAM)",
325 .i2c_bus_nr = SAA7164_I2C_BUS_2,
326 .i2c_bus_addr = 0x34 >> 1,
327 .i2c_reg_len = REGLEN_8bit,
328 } },
329 },
330 [SAA7164_BOARD_HAUPPAUGE_HVR2250_3] = {
331 .name = "Hauppauge WinTV-HVR2250",
332 .porta = SAA7164_MPEG_DVB,
333 .portb = SAA7164_MPEG_DVB,
334 .portc = SAA7164_MPEG_ENCODER,
335 .portd = SAA7164_MPEG_ENCODER,
336 .porte = SAA7164_MPEG_VBI,
337 .portf = SAA7164_MPEG_VBI,
338 .chiprev = SAA7164_CHIP_REV3,
339 .unit = {{
340 .id = 0x26,
341 .type = SAA7164_UNIT_EEPROM,
342 .name = "4K EEPROM",
343 .i2c_bus_nr = SAA7164_I2C_BUS_0,
344 .i2c_bus_addr = 0xa0 >> 1,
345 .i2c_reg_len = REGLEN_8bit,
346 }, {
347 .id = 0x04,
348 .type = SAA7164_UNIT_TUNER,
349 .name = "TDA18271-1",
350 .i2c_bus_nr = SAA7164_I2C_BUS_1,
351 .i2c_bus_addr = 0xc0 >> 1,
352 .i2c_reg_len = REGLEN_8bit,
353 }, {
354 .id = 0x07,
355 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
356 .name = "CX24228/S5H1411-1 (TOP)",
357 .i2c_bus_nr = SAA7164_I2C_BUS_1,
358 .i2c_bus_addr = 0x32 >> 1,
359 .i2c_reg_len = REGLEN_8bit,
360 }, {
361 .id = 0x08,
362 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
363 .name = "CX24228/S5H1411-1 (QAM)",
364 .i2c_bus_nr = SAA7164_I2C_BUS_1,
365 .i2c_bus_addr = 0x34 >> 1,
366 .i2c_reg_len = REGLEN_8bit,
367 }, {
368 .id = 0x22,
369 .type = SAA7164_UNIT_TUNER,
370 .name = "TDA18271-2",
371 .i2c_bus_nr = SAA7164_I2C_BUS_2,
372 .i2c_bus_addr = 0xc0 >> 1,
373 .i2c_reg_len = REGLEN_8bit,
374 }, {
375 .id = 0x24,
376 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
377 .name = "CX24228/S5H1411-2 (TOP)",
378 .i2c_bus_nr = SAA7164_I2C_BUS_2,
379 .i2c_bus_addr = 0x32 >> 1,
380 .i2c_reg_len = REGLEN_8bit,
381 }, {
382 .id = 0x27,
383 .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
384 .name = "CX24228/S5H1411-2 (QAM)",
385 .i2c_bus_nr = SAA7164_I2C_BUS_2,
386 .i2c_bus_addr = 0x34 >> 1,
387 .i2c_reg_len = REGLEN_8bit,
388 } },
389 },
390 };
391 const unsigned int saa7164_bcount = ARRAY_SIZE(saa7164_boards);
392
393 /* ------------------------------------------------------------------ */
394 /* PCI subsystem IDs */
395
396 struct saa7164_subid saa7164_subids[] = {
397 {
398 .subvendor = 0x0070,
399 .subdevice = 0x8880,
400 .card = SAA7164_BOARD_HAUPPAUGE_HVR2250,
401 }, {
402 .subvendor = 0x0070,
403 .subdevice = 0x8810,
404 .card = SAA7164_BOARD_HAUPPAUGE_HVR2250,
405 }, {
406 .subvendor = 0x0070,
407 .subdevice = 0x8980,
408 .card = SAA7164_BOARD_HAUPPAUGE_HVR2200,
409 }, {
410 .subvendor = 0x0070,
411 .subdevice = 0x8900,
412 .card = SAA7164_BOARD_HAUPPAUGE_HVR2200_2,
413 }, {
414 .subvendor = 0x0070,
415 .subdevice = 0x8901,
416 .card = SAA7164_BOARD_HAUPPAUGE_HVR2200_3,
417 }, {
418 .subvendor = 0x0070,
419 .subdevice = 0x88A1,
420 .card = SAA7164_BOARD_HAUPPAUGE_HVR2250_3,
421 }, {
422 .subvendor = 0x0070,
423 .subdevice = 0x8891,
424 .card = SAA7164_BOARD_HAUPPAUGE_HVR2250_2,
425 }, {
426 .subvendor = 0x0070,
427 .subdevice = 0x8851,
428 .card = SAA7164_BOARD_HAUPPAUGE_HVR2250_2,
429 },
430 };
431 const unsigned int saa7164_idcount = ARRAY_SIZE(saa7164_subids);
432
saa7164_card_list(struct saa7164_dev * dev)433 void saa7164_card_list(struct saa7164_dev *dev)
434 {
435 int i;
436
437 if (0 == dev->pci->subsystem_vendor &&
438 0 == dev->pci->subsystem_device) {
439 printk(KERN_ERR
440 "%s: Board has no valid PCIe Subsystem ID and can't\n"
441 "%s: be autodetected. Pass card=<n> insmod option to\n"
442 "%s: workaround that. Send complaints to the vendor\n"
443 "%s: of the TV card. Best regards,\n"
444 "%s: -- tux\n",
445 dev->name, dev->name, dev->name, dev->name, dev->name);
446 } else {
447 printk(KERN_ERR
448 "%s: Your board isn't known (yet) to the driver.\n"
449 "%s: Try to pick one of the existing card configs via\n"
450 "%s: card=<n> insmod option. Updating to the latest\n"
451 "%s: version might help as well.\n",
452 dev->name, dev->name, dev->name, dev->name);
453 }
454
455 printk(KERN_ERR "%s: Here are valid choices for the card=<n> insmod "
456 "option:\n", dev->name);
457
458 for (i = 0; i < saa7164_bcount; i++)
459 printk(KERN_ERR "%s: card=%d -> %s\n",
460 dev->name, i, saa7164_boards[i].name);
461 }
462
463 /* TODO: clean this define up into the -cards.c structs */
464 #define PCIEBRIDGE_UNITID 2
465
saa7164_gpio_setup(struct saa7164_dev * dev)466 void saa7164_gpio_setup(struct saa7164_dev *dev)
467 {
468 switch (dev->board) {
469 case SAA7164_BOARD_HAUPPAUGE_HVR2200:
470 case SAA7164_BOARD_HAUPPAUGE_HVR2200_2:
471 case SAA7164_BOARD_HAUPPAUGE_HVR2200_3:
472 case SAA7164_BOARD_HAUPPAUGE_HVR2250:
473 case SAA7164_BOARD_HAUPPAUGE_HVR2250_2:
474 case SAA7164_BOARD_HAUPPAUGE_HVR2250_3:
475 /*
476 GPIO 2: s5h1411 / tda10048-1 demod reset
477 GPIO 3: s5h1411 / tda10048-2 demod reset
478 GPIO 7: IRBlaster Zilog reset
479 */
480
481 /* Reset parts by going in and out of reset */
482 saa7164_api_clear_gpiobit(dev, PCIEBRIDGE_UNITID, 2);
483 saa7164_api_clear_gpiobit(dev, PCIEBRIDGE_UNITID, 3);
484
485 msleep(20);
486
487 saa7164_api_set_gpiobit(dev, PCIEBRIDGE_UNITID, 2);
488 saa7164_api_set_gpiobit(dev, PCIEBRIDGE_UNITID, 3);
489 break;
490 }
491 }
492
hauppauge_eeprom(struct saa7164_dev * dev,u8 * eeprom_data)493 static void hauppauge_eeprom(struct saa7164_dev *dev, u8 *eeprom_data)
494 {
495 struct tveeprom tv;
496
497 /* TODO: Assumption: eeprom on bus 0 */
498 tveeprom_hauppauge_analog(&dev->i2c_bus[0].i2c_client, &tv,
499 eeprom_data);
500
501 /* Make sure we support the board model */
502 switch (tv.model) {
503 case 88001:
504 /* Development board - Limit circulation */
505 /* WinTV-HVR2250 (PCIe, Retail, full-height bracket)
506 * ATSC/QAM (TDA18271/S5H1411) and basic analog, no IR, FM */
507 case 88021:
508 /* WinTV-HVR2250 (PCIe, Retail, full-height bracket)
509 * ATSC/QAM (TDA18271/S5H1411) and basic analog, MCE CIR, FM */
510 break;
511 case 88041:
512 /* WinTV-HVR2250 (PCIe, Retail, full-height bracket)
513 * ATSC/QAM (TDA18271/S5H1411) and basic analog, no IR, FM */
514 break;
515 case 88061:
516 /* WinTV-HVR2250 (PCIe, Retail, full-height bracket)
517 * ATSC/QAM (TDA18271/S5H1411) and basic analog, FM */
518 break;
519 case 89519:
520 case 89609:
521 /* WinTV-HVR2200 (PCIe, Retail, full-height)
522 * DVB-T (TDA18271/TDA10048) and basic analog, no IR */
523 break;
524 case 89619:
525 /* WinTV-HVR2200 (PCIe, Retail, half-height)
526 * DVB-T (TDA18271/TDA10048) and basic analog, no IR */
527 break;
528 default:
529 printk(KERN_ERR "%s: Warning: Unknown Hauppauge model #%d\n",
530 dev->name, tv.model);
531 break;
532 }
533
534 printk(KERN_INFO "%s: Hauppauge eeprom: model=%d\n", dev->name,
535 tv.model);
536 }
537
saa7164_card_setup(struct saa7164_dev * dev)538 void saa7164_card_setup(struct saa7164_dev *dev)
539 {
540 static u8 eeprom[256];
541
542 if (dev->i2c_bus[0].i2c_rc == 0) {
543 if (saa7164_api_read_eeprom(dev, &eeprom[0],
544 sizeof(eeprom)) < 0)
545 return;
546 }
547
548 switch (dev->board) {
549 case SAA7164_BOARD_HAUPPAUGE_HVR2200:
550 case SAA7164_BOARD_HAUPPAUGE_HVR2200_2:
551 case SAA7164_BOARD_HAUPPAUGE_HVR2200_3:
552 case SAA7164_BOARD_HAUPPAUGE_HVR2250:
553 case SAA7164_BOARD_HAUPPAUGE_HVR2250_2:
554 case SAA7164_BOARD_HAUPPAUGE_HVR2250_3:
555 hauppauge_eeprom(dev, &eeprom[0]);
556 break;
557 }
558 }
559
560 /* With most other drivers, the kernel expects to communicate with subdrivers
561 * through i2c. This bridge does not allow that, it does not expose any direct
562 * access to I2C. Instead we have to communicate through the device f/w for
563 * register access to 'processing units'. Each unit has a unique
564 * id, regardless of how the physical implementation occurs across
565 * the three physical i2c busses. The being said if we want leverge of
566 * the existing kernel drivers for tuners and demods we have to 'speak i2c',
567 * to this bridge implements 3 virtual i2c buses. This is a helper function
568 * for those.
569 *
570 * Description: Translate the kernels notion of an i2c address and bus into
571 * the appropriate unitid.
572 */
saa7164_i2caddr_to_unitid(struct saa7164_i2c * bus,int addr)573 int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr)
574 {
575 /* For a given bus and i2c device address, return the saa7164 unique
576 * unitid. < 0 on error */
577
578 struct saa7164_dev *dev = bus->dev;
579 struct saa7164_unit *unit;
580 int i;
581
582 for (i = 0; i < SAA7164_MAX_UNITS; i++) {
583 unit = &saa7164_boards[dev->board].unit[i];
584
585 if (unit->type == SAA7164_UNIT_UNDEFINED)
586 continue;
587 if ((bus->nr == unit->i2c_bus_nr) &&
588 (addr == unit->i2c_bus_addr))
589 return unit->id;
590 }
591
592 return -1;
593 }
594
595 /* The 7164 API needs to know the i2c register length in advance.
596 * this is a helper function. Based on a specific chip addr and bus return the
597 * reg length.
598 */
saa7164_i2caddr_to_reglen(struct saa7164_i2c * bus,int addr)599 int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr)
600 {
601 /* For a given bus and i2c device address, return the
602 * saa7164 registry address width. < 0 on error
603 */
604
605 struct saa7164_dev *dev = bus->dev;
606 struct saa7164_unit *unit;
607 int i;
608
609 for (i = 0; i < SAA7164_MAX_UNITS; i++) {
610 unit = &saa7164_boards[dev->board].unit[i];
611
612 if (unit->type == SAA7164_UNIT_UNDEFINED)
613 continue;
614
615 if ((bus->nr == unit->i2c_bus_nr) &&
616 (addr == unit->i2c_bus_addr))
617 return unit->i2c_reg_len;
618 }
619
620 return -1;
621 }
622 /* TODO: implement a 'findeeprom' functio like the above and fix any other
623 * eeprom related todo's in -api.c.
624 */
625
626 /* Translate a unitid into a x readable device name, for display purposes. */
saa7164_unitid_name(struct saa7164_dev * dev,u8 unitid)627 char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid)
628 {
629 char *undefed = "UNDEFINED";
630 char *bridge = "BRIDGE";
631 struct saa7164_unit *unit;
632 int i;
633
634 if (unitid == 0)
635 return bridge;
636
637 for (i = 0; i < SAA7164_MAX_UNITS; i++) {
638 unit = &saa7164_boards[dev->board].unit[i];
639
640 if (unit->type == SAA7164_UNIT_UNDEFINED)
641 continue;
642
643 if (unitid == unit->id)
644 return unit->name;
645 }
646
647 return undefed;
648 }
649
650