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Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / drivers / media / pci / zoran / zoran_card.c
blob3975fc1b2ee3138ef84d69b7ff5b00de3e9c596e
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Zoran zr36057/zr36067 PCI controller driver, for the
4 * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
5 * Media Labs LML33/LML33R10.
6 *
7 * This part handles card-specific data and detection
8 *
9 * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
10 */
11
12 #include <linux/delay.h>
13 #include <linux/kernel.h>
14 #include <linux/module.h>
15 #include <linux/slab.h>
16
17 #include <linux/i2c.h>
18 #include <linux/i2c-algo-bit.h>
19 #include <linux/videodev2.h>
20 #include <linux/spinlock.h>
21
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/io.h>
25 #include <media/v4l2-common.h>
26 #include <media/i2c/bt819.h>
27
28 #include "videocodec.h"
29 #include "zoran.h"
30 #include "zoran_card.h"
31 #include "zoran_device.h"
32 #include "zr36016.h"
33 #include "zr36050.h"
34 #include "zr36060.h"
35
36 extern const struct zoran_format zoran_formats[];
37
38 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 };
39 module_param_array(card, int, NULL, 0444);
40 MODULE_PARM_DESC(card, "Card type");
41
42 /* Default input and video norm at startup of the driver. */
43
44 static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
45 module_param(default_input, uint, 0444);
46 MODULE_PARM_DESC(default_input,
47 "Default input (0=Composite, 1=S-Video, 2=Internal)");
48
49 static int default_mux = 1; /* 6 Eyes input selection */
50 module_param(default_mux, int, 0644);
51 MODULE_PARM_DESC(default_mux,
52 "Default 6 Eyes mux setting (Input selection)");
53
54 static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
55 module_param(default_norm, int, 0444);
56 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
57
58 /* /dev/videoN, -1 for autodetect */
59 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 };
60 module_param_array(video_nr, int, NULL, 0444);
61 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
62
63 /* 1=Pass through TV signal when device is not used */
64 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
65 int pass_through;
66 module_param(pass_through, int, 0644);
67 MODULE_PARM_DESC(pass_through,
68 "Pass TV signal through to TV-out when idling");
69
70 int zr36067_debug = 1;
71 module_param_named(debug, zr36067_debug, int, 0644);
72 MODULE_PARM_DESC(debug, "Debug level (0-5)");
73
74 #define ZORAN_VERSION "0.10.1"
75
76 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
77 MODULE_AUTHOR("Serguei Miridonov");
78 MODULE_LICENSE("GPL");
79 MODULE_VERSION(ZORAN_VERSION);
80
81 #define ZR_DEVICE(subven, subdev, data) { \
82 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
83 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
84
85 static const struct pci_device_id zr36067_pci_tbl[] = {
86 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10_PLUS),
87 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30_PLUS),
88 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
89 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
90 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
91 {0}
92 };
93 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
94
95 static unsigned int zoran_num; /* number of cards found */
96
97 /* videocodec bus functions ZR36060 */
98 static u32 zr36060_read(struct videocodec *codec, u16 reg)
99 {
100 struct zoran *zr = (struct zoran *)codec->master_data->data;
101 __u32 data;
102
103 if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) ||
104 post_office_write(zr, 0, 2, reg & 0xff))
105 return -1;
106
107 data = post_office_read(zr, 0, 3) & 0xff;
108 return data;
109 }
110
111 static void zr36060_write(struct videocodec *codec, u16 reg, u32 val)
112 {
113 struct zoran *zr = (struct zoran *)codec->master_data->data;
114
115 if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) ||
116 post_office_write(zr, 0, 2, reg & 0xff))
117 return;
118
119 post_office_write(zr, 0, 3, val & 0xff);
120 }
121
122 /* videocodec bus functions ZR36050 */
123 static u32 zr36050_read(struct videocodec *codec, u16 reg)
124 {
125 struct zoran *zr = (struct zoran *)codec->master_data->data;
126 __u32 data;
127
128 if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2)) // reg. HIGHBYTES
129 return -1;
130
131 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
132 return data;
133 }
134
135 static void zr36050_write(struct videocodec *codec, u16 reg, u32 val)
136 {
137 struct zoran *zr = (struct zoran *)codec->master_data->data;
138
139 if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2)) // reg. HIGHBYTES
140 return;
141
142 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
143 }
144
145 /* videocodec bus functions ZR36016 */
146 static u32 zr36016_read(struct videocodec *codec, u16 reg)
147 {
148 struct zoran *zr = (struct zoran *)codec->master_data->data;
149 __u32 data;
150
151 if (post_office_wait(zr))
152 return -1;
153
154 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
155 return data;
156 }
157
158 /* hack for in zoran_device.c */
159 void zr36016_write(struct videocodec *codec, u16 reg, u32 val)
160 {
161 struct zoran *zr = (struct zoran *)codec->master_data->data;
162
163 if (post_office_wait(zr))
164 return;
165
166 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
167 }
168
169 /*
170 * Board specific information
171 */
172
173 static void dc10_init(struct zoran *zr)
174 {
175 /* Pixel clock selection */
176 GPIO(zr, 4, 0);
177 GPIO(zr, 5, 1);
178 /* Enable the video bus sync signals */
179 GPIO(zr, 7, 0);
180 }
181
182 static void dc10plus_init(struct zoran *zr)
183 {
184 }
185
186 static void buz_init(struct zoran *zr)
187 {
188 /* some stuff from Iomega */
189 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
190 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
191 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
192 }
193
194 static void lml33_init(struct zoran *zr)
195 {
196 GPIO(zr, 2, 1); // Set Composite input/output
197 }
198
199 static void avs6eyes_init(struct zoran *zr)
200 {
201 // AverMedia 6-Eyes original driver by Christer Weinigel
202
203 // Lifted straight from Christer's old driver and
204 // modified slightly by Martin Samuelsson.
205
206 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
207
208 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
209 udelay(2);
210
211 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
212 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
213 GPIO(zr, 2, mux & 1); /* MUX S0 */
214 GPIO(zr, 3, 0); /* /FRAME on */
215 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
216 GPIO(zr, 5, mux & 2); /* MUX S1 */
217 GPIO(zr, 6, 0); /* ? */
218 GPIO(zr, 7, mux & 4); /* MUX S2 */
219 }
220
221 static const char *codecid_to_modulename(u16 codecid)
222 {
223 const char *name = NULL;
224
225 switch (codecid) {
226 case CODEC_TYPE_ZR36060:
227 name = "zr36060";
228 break;
229 case CODEC_TYPE_ZR36050:
230 name = "zr36050";
231 break;
232 case CODEC_TYPE_ZR36016:
233 name = "zr36016";
234 break;
235 }
236
237 return name;
238 }
239
240 static int codec_init(struct zoran *zr, u16 codecid)
241 {
242 switch (codecid) {
243 case CODEC_TYPE_ZR36060:
244 #ifdef CONFIG_VIDEO_ZORAN_ZR36060
245 return zr36060_init_module();
246 #else
247 pci_err(zr->pci_dev, "ZR36060 support is not enabled\n");
248 return -EINVAL;
249 #endif
250 break;
251 case CODEC_TYPE_ZR36050:
252 #ifdef CONFIG_VIDEO_ZORAN_DC30
253 return zr36050_init_module();
254 #else
255 pci_err(zr->pci_dev, "ZR36050 support is not enabled\n");
256 return -EINVAL;
257 #endif
258 break;
259 case CODEC_TYPE_ZR36016:
260 #ifdef CONFIG_VIDEO_ZORAN_DC30
261 return zr36016_init_module();
262 #else
263 pci_err(zr->pci_dev, "ZR36016 support is not enabled\n");
264 return -EINVAL;
265 #endif
266 break;
267 }
268
269 pci_err(zr->pci_dev, "unknown codec id %x\n", codecid);
270 return -EINVAL;
271 }
272
273 static void codec_exit(struct zoran *zr, u16 codecid)
274 {
275 switch (codecid) {
276 case CODEC_TYPE_ZR36060:
277 #ifdef CONFIG_VIDEO_ZORAN_ZR36060
278 zr36060_cleanup_module();
279 #endif
280 break;
281 case CODEC_TYPE_ZR36050:
282 #ifdef CONFIG_VIDEO_ZORAN_DC30
283 zr36050_cleanup_module();
284 #endif
285 break;
286 case CODEC_TYPE_ZR36016:
287 #ifdef CONFIG_VIDEO_ZORAN_DC30
288 zr36016_cleanup_module();
289 #endif
290 break;
291 }
292 }
293
294 static int videocodec_init(struct zoran *zr)
295 {
296 const char *codec_name, *vfe_name;
297 int result;
298
299 codec_name = codecid_to_modulename(zr->card.video_codec);
300 if (codec_name) {
301 result = codec_init(zr, zr->card.video_codec);
302 if (result < 0) {
303 pci_err(zr->pci_dev, "failed to load video codec %s: %d\n",
304 codec_name, result);
305 return result;
306 }
307 }
308 vfe_name = codecid_to_modulename(zr->card.video_vfe);
309 if (vfe_name) {
310 result = codec_init(zr, zr->card.video_vfe);
311 if (result < 0) {
312 pci_err(zr->pci_dev, "failed to load video vfe %s: %d\n",
313 vfe_name, result);
314 if (codec_name)
315 codec_exit(zr, zr->card.video_codec);
316 return result;
317 }
318 }
319 return 0;
320 }
321
322 static void videocodec_exit(struct zoran *zr)
323 {
324 if (zr->card.video_codec != CODEC_TYPE_NONE)
325 codec_exit(zr, zr->card.video_codec);
326 if (zr->card.video_vfe != CODEC_TYPE_NONE)
327 codec_exit(zr, zr->card.video_vfe);
328 }
329
330 static const struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
331 static const struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
332 static const struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
333 static const struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
334
335 static const struct tvnorm f50ccir601_lml33 = { 864, 720, 75 + 34, 804, 625, 576, 18 };
336 static const struct tvnorm f60ccir601_lml33 = { 858, 720, 57 + 34, 788, 525, 480, 16 };
337
338 /* The DC10 (57/16/50) uses VActive as HSync, so h_start must be 0 */
339 static const struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
340 static const struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
341
342 /*
343 * FIXME: I cannot swap U and V in saa7114, so i do one pixel left shift in zoran (75 -> 74)
344 * (Maxim Yevtyushkin <max@linuxmedialabs.com>)
345 */
346 static const struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74 + 54, 804, 625, 576, 18 };
347 static const struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56 + 54, 788, 525, 480, 16 };
348
349 /*
350 * FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I copy Maxim's left
351 * shift hack for the 6 Eyes.
352 *
353 * Christer's driver used the unshifted norms, though...
354 * /Sam
355 */
356 static const struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
357 static const struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
358
359 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
360 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
361 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
362 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
363 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
364 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
365 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
366 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
367 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
368 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
369
370 static struct card_info zoran_cards[NUM_CARDS] = {
371 {
372 .type = DC10_OLD,
373 .name = "DC10(old)",
374 .i2c_decoder = "vpx3220a",
375 .addrs_decoder = vpx3220_addrs,
376 .video_codec = CODEC_TYPE_ZR36050,
377 .video_vfe = CODEC_TYPE_ZR36016,
378
379 .inputs = 3,
380 .input = {
381 { 1, "Composite" },
382 { 2, "S-Video" },
383 { 0, "Internal/comp" }
384 },
385 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
386 .tvn = {
387 &f50sqpixel_dc10,
388 &f60sqpixel_dc10,
389 &f50sqpixel_dc10
390 },
391 .jpeg_int = 0,
392 .vsync_int = ZR36057_ISR_GIRQ1,
393 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
394 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
395 .gpcs = { -1, 0 },
396 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
397 .gws_not_connected = 0,
398 .input_mux = 0,
399 .init = &dc10_init,
400 }, {
401 .type = DC10_NEW,
402 .name = "DC10(new)",
403 .i2c_decoder = "saa7110",
404 .addrs_decoder = saa7110_addrs,
405 .i2c_encoder = "adv7175",
406 .addrs_encoder = adv717x_addrs,
407 .video_codec = CODEC_TYPE_ZR36060,
408
409 .inputs = 3,
410 .input = {
411 { 0, "Composite" },
412 { 7, "S-Video" },
413 { 5, "Internal/comp" }
414 },
415 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
416 .tvn = {
417 &f50sqpixel,
418 &f60sqpixel,
419 &f50sqpixel},
420 .jpeg_int = ZR36057_ISR_GIRQ0,
421 .vsync_int = ZR36057_ISR_GIRQ1,
422 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
423 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
424 .gpcs = { -1, 1},
425 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
426 .gws_not_connected = 0,
427 .input_mux = 0,
428 .init = &dc10plus_init,
429 }, {
430 .type = DC10_PLUS,
431 .name = "DC10_PLUS",
432 .i2c_decoder = "saa7110",
433 .addrs_decoder = saa7110_addrs,
434 .i2c_encoder = "adv7175",
435 .addrs_encoder = adv717x_addrs,
436 .video_codec = CODEC_TYPE_ZR36060,
437
438 .inputs = 3,
439 .input = {
440 { 0, "Composite" },
441 { 7, "S-Video" },
442 { 5, "Internal/comp" }
443 },
444 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
445 .tvn = {
446 &f50sqpixel,
447 &f60sqpixel,
448 &f50sqpixel
449 },
450 .jpeg_int = ZR36057_ISR_GIRQ0,
451 .vsync_int = ZR36057_ISR_GIRQ1,
452 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
453 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
454 .gpcs = { -1, 1 },
455 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
456 .gws_not_connected = 0,
457 .input_mux = 0,
458 .init = &dc10plus_init,
459 }, {
460 .type = DC30,
461 .name = "DC30",
462 .i2c_decoder = "vpx3220a",
463 .addrs_decoder = vpx3220_addrs,
464 .i2c_encoder = "adv7175",
465 .addrs_encoder = adv717x_addrs,
466 .video_codec = CODEC_TYPE_ZR36050,
467 .video_vfe = CODEC_TYPE_ZR36016,
468
469 .inputs = 3,
470 .input = {
471 { 1, "Composite" },
472 { 2, "S-Video" },
473 { 0, "Internal/comp" }
474 },
475 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
476 .tvn = {
477 &f50sqpixel_dc10,
478 &f60sqpixel_dc10,
479 &f50sqpixel_dc10
480 },
481 .jpeg_int = 0,
482 .vsync_int = ZR36057_ISR_GIRQ1,
483 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
484 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
485 .gpcs = { -1, 0 },
486 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
487 .gws_not_connected = 0,
488 .input_mux = 0,
489 .init = &dc10_init,
490 }, {
491 .type = DC30_PLUS,
492 .name = "DC30_PLUS",
493 .i2c_decoder = "vpx3220a",
494 .addrs_decoder = vpx3220_addrs,
495 .i2c_encoder = "adv7175",
496 .addrs_encoder = adv717x_addrs,
497 .video_codec = CODEC_TYPE_ZR36050,
498 .video_vfe = CODEC_TYPE_ZR36016,
499
500 .inputs = 3,
501 .input = {
502 { 1, "Composite" },
503 { 2, "S-Video" },
504 { 0, "Internal/comp" }
505 },
506 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
507 .tvn = {
508 &f50sqpixel_dc10,
509 &f60sqpixel_dc10,
510 &f50sqpixel_dc10
511 },
512 .jpeg_int = 0,
513 .vsync_int = ZR36057_ISR_GIRQ1,
514 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
515 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
516 .gpcs = { -1, 0 },
517 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
518 .gws_not_connected = 0,
519 .input_mux = 0,
520 .init = &dc10_init,
521 }, {
522 .type = LML33,
523 .name = "LML33",
524 .i2c_decoder = "bt819a",
525 .addrs_decoder = bt819_addrs,
526 .i2c_encoder = "bt856",
527 .addrs_encoder = bt856_addrs,
528 .video_codec = CODEC_TYPE_ZR36060,
529
530 .inputs = 2,
531 .input = {
532 { 0, "Composite" },
533 { 7, "S-Video" }
534 },
535 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
536 .tvn = {
537 &f50ccir601_lml33,
538 &f60ccir601_lml33,
539 NULL
540 },
541 .jpeg_int = ZR36057_ISR_GIRQ1,
542 .vsync_int = ZR36057_ISR_GIRQ0,
543 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
544 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
545 .gpcs = { 3, 1 },
546 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
547 .gws_not_connected = 1,
548 .input_mux = 0,
549 .init = &lml33_init,
550 }, {
551 .type = LML33R10,
552 .name = "LML33R10",
553 .i2c_decoder = "saa7114",
554 .addrs_decoder = saa7114_addrs,
555 .i2c_encoder = "adv7170",
556 .addrs_encoder = adv717x_addrs,
557 .video_codec = CODEC_TYPE_ZR36060,
558
559 .inputs = 2,
560 .input = {
561 { 0, "Composite" },
562 { 7, "S-Video" }
563 },
564 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
565 .tvn = {
566 &f50ccir601_lm33r10,
567 &f60ccir601_lm33r10,
568 NULL
569 },
570 .jpeg_int = ZR36057_ISR_GIRQ1,
571 .vsync_int = ZR36057_ISR_GIRQ0,
572 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
573 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
574 .gpcs = { 3, 1 },
575 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
576 .gws_not_connected = 1,
577 .input_mux = 0,
578 .init = &lml33_init,
579 }, {
580 .type = BUZ,
581 .name = "Buz",
582 .i2c_decoder = "saa7111",
583 .addrs_decoder = saa7111_addrs,
584 .i2c_encoder = "saa7185",
585 .addrs_encoder = saa7185_addrs,
586 .video_codec = CODEC_TYPE_ZR36060,
587
588 .inputs = 2,
589 .input = {
590 { 3, "Composite" },
591 { 7, "S-Video" }
592 },
593 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
594 .tvn = {
595 &f50ccir601,
596 &f60ccir601,
597 &f50ccir601
598 },
599 .jpeg_int = ZR36057_ISR_GIRQ1,
600 .vsync_int = ZR36057_ISR_GIRQ0,
601 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
602 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
603 .gpcs = { 3, 1 },
604 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
605 .gws_not_connected = 1,
606 .input_mux = 0,
607 .init = &buz_init,
608 }, {
609 .type = AVS6EYES,
610 .name = "6-Eyes",
611 /*
612 * AverMedia chose not to brand the 6-Eyes. Thus it can't be
613 * autodetected, and requires card=x.
614 */
615 .i2c_decoder = "ks0127",
616 .addrs_decoder = ks0127_addrs,
617 .i2c_encoder = "bt866",
618 .addrs_encoder = bt866_addrs,
619 .video_codec = CODEC_TYPE_ZR36060,
620
621 .inputs = 10,
622 .input = {
623 { 0, "Composite 1" },
624 { 1, "Composite 2" },
625 { 2, "Composite 3" },
626 { 4, "Composite 4" },
627 { 5, "Composite 5" },
628 { 6, "Composite 6" },
629 { 8, "S-Video 1" },
630 { 9, "S-Video 2" },
631 {10, "S-Video 3" },
632 {15, "YCbCr" }
633 },
634 .norms = V4L2_STD_NTSC | V4L2_STD_PAL,
635 .tvn = {
636 &f50ccir601_avs6eyes,
637 &f60ccir601_avs6eyes,
638 NULL
639 },
640 .jpeg_int = ZR36057_ISR_GIRQ1,
641 .vsync_int = ZR36057_ISR_GIRQ0,
642 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
643 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
644 .gpcs = { 3, 1 }, // Validity unknown /Sam
645 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
646 .gws_not_connected = 1,
647 .input_mux = 1,
648 .init = &avs6eyes_init,
649 }
650
651 };
652
653 /*
654 * I2C functions
655 */
656 /* software I2C functions */
657 static int zoran_i2c_getsda(void *data)
658 {
659 struct zoran *zr = (struct zoran *)data;
660
661 return (btread(ZR36057_I2CBR) >> 1) & 1;
662 }
663
664 static int zoran_i2c_getscl(void *data)
665 {
666 struct zoran *zr = (struct zoran *)data;
667
668 return btread(ZR36057_I2CBR) & 1;
669 }
670
671 static void zoran_i2c_setsda(void *data, int state)
672 {
673 struct zoran *zr = (struct zoran *)data;
674
675 if (state)
676 zr->i2cbr |= 2;
677 else
678 zr->i2cbr &= ~2;
679 btwrite(zr->i2cbr, ZR36057_I2CBR);
680 }
681
682 static void zoran_i2c_setscl(void *data, int state)
683 {
684 struct zoran *zr = (struct zoran *)data;
685
686 if (state)
687 zr->i2cbr |= 1;
688 else
689 zr->i2cbr &= ~1;
690 btwrite(zr->i2cbr, ZR36057_I2CBR);
691 }
692
693 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
694 .setsda = zoran_i2c_setsda,
695 .setscl = zoran_i2c_setscl,
696 .getsda = zoran_i2c_getsda,
697 .getscl = zoran_i2c_getscl,
698 .udelay = 10,
699 .timeout = 100,
700 };
701
702 static int zoran_register_i2c(struct zoran *zr)
703 {
704 zr->i2c_algo = zoran_i2c_bit_data_template;
705 zr->i2c_algo.data = zr;
706 strscpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
707 sizeof(zr->i2c_adapter.name));
708 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
709 zr->i2c_adapter.algo_data = &zr->i2c_algo;
710 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
711 return i2c_bit_add_bus(&zr->i2c_adapter);
712 }
713
714 static void zoran_unregister_i2c(struct zoran *zr)
715 {
716 i2c_del_adapter(&zr->i2c_adapter);
717 }
718
719 /* Check a zoran_params struct for correctness, insert default params */
720 int zoran_check_jpg_settings(struct zoran *zr,
721 struct zoran_jpg_settings *settings, int try)
722 {
723 int err = 0, err0 = 0;
724
725 pci_dbg(zr->pci_dev, "%s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
726 __func__, settings->decimation, settings->hor_dcm,
727 settings->ver_dcm, settings->tmp_dcm);
728 pci_dbg(zr->pci_dev, "%s - x: %d, y: %d, w: %d, y: %d\n", __func__,
729 settings->img_x, settings->img_y,
730 settings->img_width, settings->img_height);
731 /* Check decimation, set default values for decimation = 1, 2, 4 */
732 switch (settings->decimation) {
733 case 1:
734
735 settings->hor_dcm = 1;
736 settings->ver_dcm = 1;
737 settings->tmp_dcm = 1;
738 settings->field_per_buff = 2;
739 settings->img_x = 0;
740 settings->img_y = 0;
741 settings->img_width = BUZ_MAX_WIDTH;
742 settings->img_height = BUZ_MAX_HEIGHT / 2;
743 break;
744 case 2:
745
746 settings->hor_dcm = 2;
747 settings->ver_dcm = 1;
748 settings->tmp_dcm = 2;
749 settings->field_per_buff = 1;
750 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
751 settings->img_y = 0;
752 settings->img_width =
753 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
754 settings->img_height = BUZ_MAX_HEIGHT / 2;
755 break;
756 case 4:
757
758 if (zr->card.type == DC10_NEW) {
759 pci_dbg(zr->pci_dev,
760 "%s - HDec by 4 is not supported on the DC10\n",
761 __func__);
762 err0++;
763 break;
764 }
765
766 settings->hor_dcm = 4;
767 settings->ver_dcm = 2;
768 settings->tmp_dcm = 2;
769 settings->field_per_buff = 1;
770 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
771 settings->img_y = 0;
772 settings->img_width =
773 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
774 settings->img_height = BUZ_MAX_HEIGHT / 2;
775 break;
776 case 0:
777
778 /* We have to check the data the user has set */
779
780 if (settings->hor_dcm != 1 && settings->hor_dcm != 2 &&
781 (zr->card.type == DC10_NEW || settings->hor_dcm != 4)) {
782 settings->hor_dcm = clamp(settings->hor_dcm, 1, 2);
783 err0++;
784 }
785 if (settings->ver_dcm != 1 && settings->ver_dcm != 2) {
786 settings->ver_dcm = clamp(settings->ver_dcm, 1, 2);
787 err0++;
788 }
789 if (settings->tmp_dcm != 1 && settings->tmp_dcm != 2) {
790 settings->tmp_dcm = clamp(settings->tmp_dcm, 1, 2);
791 err0++;
792 }
793 if (settings->field_per_buff != 1 &&
794 settings->field_per_buff != 2) {
795 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
796 err0++;
797 }
798 if (settings->img_x < 0) {
799 settings->img_x = 0;
800 err0++;
801 }
802 if (settings->img_y < 0) {
803 settings->img_y = 0;
804 err0++;
805 }
806 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
807 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
808 err0++;
809 }
810 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
811 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
812 err0++;
813 }
814 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
815 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
816 err0++;
817 }
818 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
819 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
820 err0++;
821 }
822 if (settings->img_width % (16 * settings->hor_dcm) != 0) {
823 settings->img_width -= settings->img_width % (16 * settings->hor_dcm);
824 if (settings->img_width == 0)
825 settings->img_width = 16 * settings->hor_dcm;
826 err0++;
827 }
828 if (settings->img_height % (8 * settings->ver_dcm) != 0) {
829 settings->img_height -= settings->img_height % (8 * settings->ver_dcm);
830 if (settings->img_height == 0)
831 settings->img_height = 8 * settings->ver_dcm;
832 err0++;
833 }
834
835 if (!try && err0) {
836 pci_err(zr->pci_dev, "%s - error in params for decimation = 0\n", __func__);
837 err++;
838 }
839 break;
840 default:
841 pci_err(zr->pci_dev, "%s - decimation = %d, must be 0, 1, 2 or 4\n",
842 __func__, settings->decimation);
843 err++;
844 break;
845 }
846
847 if (settings->jpg_comp.quality > 100)
848 settings->jpg_comp.quality = 100;
849 if (settings->jpg_comp.quality < 5)
850 settings->jpg_comp.quality = 5;
851 if (settings->jpg_comp.APPn < 0)
852 settings->jpg_comp.APPn = 0;
853 if (settings->jpg_comp.APPn > 15)
854 settings->jpg_comp.APPn = 15;
855 if (settings->jpg_comp.APP_len < 0)
856 settings->jpg_comp.APP_len = 0;
857 if (settings->jpg_comp.APP_len > 60)
858 settings->jpg_comp.APP_len = 60;
859 if (settings->jpg_comp.COM_len < 0)
860 settings->jpg_comp.COM_len = 0;
861 if (settings->jpg_comp.COM_len > 60)
862 settings->jpg_comp.COM_len = 60;
863 if (err)
864 return -EINVAL;
865 return 0;
866 }
867
868 static int zoran_init_video_device(struct zoran *zr, struct video_device *video_dev, int dir)
869 {
870 int err;
871
872 /* Now add the template and register the device unit. */
873 *video_dev = zoran_template;
874 video_dev->v4l2_dev = &zr->v4l2_dev;
875 video_dev->lock = &zr->lock;
876 video_dev->device_caps = V4L2_CAP_STREAMING | dir;
877
878 strscpy(video_dev->name, ZR_DEVNAME(zr), sizeof(video_dev->name));
879 video_dev->vfl_dir = VFL_DIR_RX;
880 zoran_queue_init(zr, &zr->vq, V4L2_BUF_TYPE_VIDEO_CAPTURE);
881
882 err = video_register_device(video_dev, VFL_TYPE_VIDEO, video_nr[zr->id]);
883 if (err < 0)
884 return err;
885 video_set_drvdata(video_dev, zr);
886 return 0;
887 }
888
889 static void zoran_exit_video_devices(struct zoran *zr)
890 {
891 video_unregister_device(zr->video_dev);
892 kfree(zr->video_dev);
893 }
894
895 static int zoran_init_video_devices(struct zoran *zr)
896 {
897 int err;
898
899 zr->video_dev = video_device_alloc();
900 if (!zr->video_dev)
901 return -ENOMEM;
902
903 err = zoran_init_video_device(zr, zr->video_dev, V4L2_CAP_VIDEO_CAPTURE);
904 if (err)
905 kfree(zr->video_dev);
906 return err;
907 }
908
909 /*
910 * v4l2_device_unregister() will care about removing zr->encoder/zr->decoder
911 * via v4l2_i2c_subdev_unregister()
912 */
913 static int zoran_i2c_init(struct zoran *zr)
914 {
915 int err;
916
917 pci_info(zr->pci_dev, "Initializing i2c bus...\n");
918
919 err = zoran_register_i2c(zr);
920 if (err) {
921 pci_err(zr->pci_dev, "%s - cannot initialize i2c bus\n", __func__);
922 return err;
923 }
924
925 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
926 zr->card.i2c_decoder, 0,
927 zr->card.addrs_decoder);
928 if (!zr->decoder) {
929 pci_err(zr->pci_dev, "Fail to get decoder %s\n", zr->card.i2c_decoder);
930 err = -EINVAL;
931 goto error_decoder;
932 }
933
934 if (zr->card.i2c_encoder) {
935 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter,
936 zr->card.i2c_encoder, 0,
937 zr->card.addrs_encoder);
938 if (!zr->encoder) {
939 pci_err(zr->pci_dev, "Fail to get encoder %s\n", zr->card.i2c_encoder);
940 err = -EINVAL;
941 goto error_decoder;
942 }
943 }
944 return 0;
945
946 error_decoder:
947 zoran_unregister_i2c(zr);
948 return err;
949 }
950
951 static void zoran_i2c_exit(struct zoran *zr)
952 {
953 zoran_unregister_i2c(zr);
954 }
955
956 void zoran_open_init_params(struct zoran *zr)
957 {
958 int i;
959
960 zr->v4l_settings.width = 192;
961 zr->v4l_settings.height = 144;
962 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
963 zr->v4l_settings.bytesperline = zr->v4l_settings.width *
964 ((zr->v4l_settings.format->depth + 7) / 8);
965
966 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
967 zr->jpg_settings.decimation = 1;
968 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
969 if (zr->card.type != BUZ)
970 zr->jpg_settings.odd_even = 1;
971 else
972 zr->jpg_settings.odd_even = 0;
973 zr->jpg_settings.jpg_comp.APPn = 0;
974 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
975 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
976 sizeof(zr->jpg_settings.jpg_comp.APP_data));
977 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
978 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
979 sizeof(zr->jpg_settings.jpg_comp.COM_data));
980 zr->jpg_settings.jpg_comp.jpeg_markers =
981 V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
982 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
983 if (i)
984 pci_err(zr->pci_dev, "%s internal error\n", __func__);
985
986 zr->buffer_size = zr->v4l_settings.bytesperline * zr->v4l_settings.height;
987
988 clear_interrupt_counters(zr);
989 }
990
991 static int zr36057_init(struct zoran *zr)
992 {
993 int j, err;
994
995 pci_info(zr->pci_dev, "initializing card[%d]\n", zr->id);
996
997 /* Avoid nonsense settings from user for default input/norm */
998 if (default_norm < 0 || default_norm > 2)
999 default_norm = 0;
1000 if (default_norm == 0) {
1001 zr->norm = V4L2_STD_PAL;
1002 zr->timing = zr->card.tvn[ZR_NORM_PAL];
1003 } else if (default_norm == 1) {
1004 zr->norm = V4L2_STD_NTSC;
1005 zr->timing = zr->card.tvn[ZR_NORM_NTSC];
1006 } else {
1007 zr->norm = V4L2_STD_SECAM;
1008 zr->timing = zr->card.tvn[ZR_NORM_SECAM];
1009 }
1010 if (!zr->timing) {
1011 pci_warn(zr->pci_dev,
1012 "%s - default TV standard not supported by hardware. PAL will be used.\n",
1013 __func__);
1014 zr->norm = V4L2_STD_PAL;
1015 zr->timing = zr->card.tvn[ZR_NORM_PAL];
1016 }
1017
1018 if (default_input > zr->card.inputs - 1) {
1019 pci_warn(zr->pci_dev, "default_input value %d out of range (0-%d)\n",
1020 default_input, zr->card.inputs - 1);
1021 default_input = 0;
1022 }
1023 zr->input = default_input;
1024
1025 /* default setup (will be repeated at every open) */
1026 zoran_open_init_params(zr);
1027
1028 /* allocate memory *before* doing anything to the hardware in case allocation fails */
1029 zr->stat_com = dma_alloc_coherent(&zr->pci_dev->dev,
1030 BUZ_NUM_STAT_COM * sizeof(u32),
1031 &zr->p_sc, GFP_KERNEL);
1032 if (!zr->stat_com)
1033 return -ENOMEM;
1034
1035 for (j = 0; j < BUZ_NUM_STAT_COM; j++)
1036 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1037
1038 zr->stat_comb = dma_alloc_coherent(&zr->pci_dev->dev,
1039 BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1040 &zr->p_scb, GFP_KERNEL);
1041 if (!zr->stat_comb) {
1042 err = -ENOMEM;
1043 goto exit_statcom;
1044 }
1045
1046 err = zoran_init_video_devices(zr);
1047 if (err)
1048 goto exit_statcomb;
1049
1050 zoran_init_hardware(zr);
1051 if (!pass_through) {
1052 decoder_call(zr, video, s_stream, 0);
1053 encoder_call(zr, video, s_routing, 2, 0, 0);
1054 }
1055
1056 zr->initialized = 1;
1057 return 0;
1058
1059 exit_statcomb:
1060 dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1061 zr->stat_comb, zr->p_scb);
1062 exit_statcom:
1063 dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32),
1064 zr->stat_com, zr->p_sc);
1065 return err;
1066 }
1067
1068 static void zoran_remove(struct pci_dev *pdev)
1069 {
1070 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1071 struct zoran *zr = to_zoran(v4l2_dev);
1072
1073 if (!zr->initialized)
1074 goto exit_free;
1075
1076 debugfs_remove_recursive(zr->dbgfs_dir);
1077
1078 zoran_queue_exit(zr);
1079
1080 /* unregister videocodec bus */
1081 if (zr->codec)
1082 videocodec_detach(zr->codec);
1083 if (zr->vfe)
1084 videocodec_detach(zr->vfe);
1085 videocodec_exit(zr);
1086
1087 /* unregister i2c bus */
1088 zoran_i2c_exit(zr);
1089 /* disable PCI bus-mastering */
1090 zoran_set_pci_master(zr, 0);
1091 /* put chip into reset */
1092 btwrite(0, ZR36057_SPGPPCR);
1093 pci_free_irq(zr->pci_dev, 0, zr);
1094 /* unmap and free memory */
1095 dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32),
1096 zr->stat_com, zr->p_sc);
1097 dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1098 zr->stat_comb, zr->p_scb);
1099 pci_release_regions(pdev);
1100 pci_disable_device(zr->pci_dev);
1101 zoran_exit_video_devices(zr);
1102 exit_free:
1103 v4l2_ctrl_handler_free(&zr->hdl);
1104 v4l2_device_unregister(&zr->v4l2_dev);
1105 }
1106
1107 void zoran_vdev_release(struct video_device *vdev)
1108 {
1109 kfree(vdev);
1110 }
1111
1112 static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr,
1113 int type)
1114 {
1115 struct videocodec_master *m = NULL;
1116
1117 m = devm_kmalloc(&zr->pci_dev->dev, sizeof(*m), GFP_KERNEL);
1118 if (!m)
1119 return m;
1120
1121 /*
1122 * magic and type are unused for master struct. Makes sense only at codec structs.
1123 * In the past, .type were initialized to the old V4L1 .hardware value,
1124 * as VID_HARDWARE_ZR36067
1125 */
1126 m->magic = 0L;
1127 m->type = 0;
1128
1129 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1130 strscpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1131 m->data = zr;
1132
1133 switch (type) {
1134 case CODEC_TYPE_ZR36060:
1135 m->readreg = zr36060_read;
1136 m->writereg = zr36060_write;
1137 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1138 break;
1139 case CODEC_TYPE_ZR36050:
1140 m->readreg = zr36050_read;
1141 m->writereg = zr36050_write;
1142 m->flags |= CODEC_FLAG_JPEG;
1143 break;
1144 case CODEC_TYPE_ZR36016:
1145 m->readreg = zr36016_read;
1146 m->writereg = zr36016_write;
1147 m->flags |= CODEC_FLAG_VFE;
1148 break;
1149 }
1150
1151 return m;
1152 }
1153
1154 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1155 {
1156 struct zoran *zr = to_zoran(sd->v4l2_dev);
1157
1158 /*
1159 * Bt819 needs to reset its FIFO buffer using #FRST pin and
1160 * LML33 card uses GPIO(7) for that.
1161 */
1162 if (cmd == BT819_FIFO_RESET_LOW)
1163 GPIO(zr, 7, 0);
1164 else if (cmd == BT819_FIFO_RESET_HIGH)
1165 GPIO(zr, 7, 1);
1166 }
1167
1168 static int zoran_video_set_ctrl(struct v4l2_ctrl *ctrl)
1169 {
1170 struct zoran *zr = container_of(ctrl->handler, struct zoran, hdl);
1171
1172 switch (ctrl->id) {
1173 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1174 zr->jpg_settings.jpg_comp.quality = ctrl->val;
1175 return zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
1176 default:
1177 return -EINVAL;
1178 }
1179
1180 return 0;
1181 }
1182
1183 static const struct v4l2_ctrl_ops zoran_video_ctrl_ops = {
1184 .s_ctrl = zoran_video_set_ctrl,
1185 };
1186
1187 static int zoran_debugfs_show(struct seq_file *seq, void *v)
1188 {
1189 struct zoran *zr = seq->private;
1190
1191 seq_printf(seq, "Running mode %x\n", zr->running);
1192 seq_printf(seq, "Codec mode %x\n", zr->codec_mode);
1193 seq_printf(seq, "Norm %llx\n", zr->norm);
1194 seq_printf(seq, "Input %d\n", zr->input);
1195 seq_printf(seq, "Buffersize %d\n", zr->buffer_size);
1196
1197 seq_printf(seq, "V4L width %dx%d\n", zr->v4l_settings.width, zr->v4l_settings.height);
1198 seq_printf(seq, "V4L bytesperline %d\n", zr->v4l_settings.bytesperline);
1199
1200 seq_printf(seq, "JPG decimation %u\n", zr->jpg_settings.decimation);
1201 seq_printf(seq, "JPG hor_dcm %u\n", zr->jpg_settings.hor_dcm);
1202 seq_printf(seq, "JPG ver_dcm %u\n", zr->jpg_settings.ver_dcm);
1203 seq_printf(seq, "JPG tmp_dcm %u\n", zr->jpg_settings.tmp_dcm);
1204 seq_printf(seq, "JPG odd_even %u\n", zr->jpg_settings.odd_even);
1205 seq_printf(seq, "JPG crop %dx%d %d %d\n",
1206 zr->jpg_settings.img_x,
1207 zr->jpg_settings.img_y,
1208 zr->jpg_settings.img_width,
1209 zr->jpg_settings.img_height);
1210
1211 seq_printf(seq, "Prepared %u\n", zr->prepared);
1212 seq_printf(seq, "Queued %u\n", zr->queued);
1213
1214 videocodec_debugfs_show(seq);
1215 return 0;
1216 }
1217
1218 DEFINE_SHOW_ATTRIBUTE(zoran_debugfs);
1219
1220 /*
1221 * Scan for a Buz card (actually for the PCI controller ZR36057),
1222 * request the irq and map the io memory
1223 */
1224 static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1225 {
1226 unsigned char latency, need_latency;
1227 struct zoran *zr;
1228 int result;
1229 struct videocodec_master *master_vfe = NULL;
1230 struct videocodec_master *master_codec = NULL;
1231 int card_num;
1232 unsigned int nr;
1233 int err;
1234
1235 pci_info(pdev, "Zoran MJPEG board driver version %s\n", ZORAN_VERSION);
1236
1237 /* some mainboards might not do PCI-PCI data transfer well */
1238 if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK))
1239 pci_warn(pdev, "%s: chipset does not support reliable PCI-PCI DMA\n",
1240 ZORAN_NAME);
1241
1242 err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
1243 if (err)
1244 return err;
1245 err = vb2_dma_contig_set_max_seg_size(&pdev->dev, U32_MAX);
1246 if (err)
1247 return err;
1248
1249 nr = zoran_num++;
1250 if (nr >= BUZ_MAX) {
1251 pci_err(pdev, "driver limited to %d card(s) maximum\n", BUZ_MAX);
1252 return -ENOENT;
1253 }
1254
1255 zr = devm_kzalloc(&pdev->dev, sizeof(*zr), GFP_KERNEL);
1256 if (!zr)
1257 return -ENOMEM;
1258
1259 zr->v4l2_dev.notify = zoran_subdev_notify;
1260 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1261 goto zr_free_mem;
1262 zr->pci_dev = pdev;
1263 zr->id = nr;
1264 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1265 if (v4l2_ctrl_handler_init(&zr->hdl, 10))
1266 goto zr_unreg;
1267 zr->v4l2_dev.ctrl_handler = &zr->hdl;
1268 v4l2_ctrl_new_std(&zr->hdl, &zoran_video_ctrl_ops,
1269 V4L2_CID_JPEG_COMPRESSION_QUALITY, 0,
1270 100, 1, 50);
1271 spin_lock_init(&zr->spinlock);
1272 mutex_init(&zr->lock);
1273 if (pci_enable_device(pdev))
1274 goto zr_unreg;
1275 zr->revision = zr->pci_dev->revision;
1276
1277 pci_info(zr->pci_dev, "Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1278 zr->revision < 2 ? '5' : '6', zr->revision,
1279 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1280 if (zr->revision >= 2)
1281 pci_info(zr->pci_dev, "Subsystem vendor=0x%04x id=0x%04x\n",
1282 zr->pci_dev->subsystem_vendor, zr->pci_dev->subsystem_device);
1283
1284 /* Use auto-detected card type? */
1285 if (card[nr] == -1) {
1286 if (zr->revision < 2) {
1287 pci_err(pdev, "No card type specified, please use the card=X module parameter\n");
1288 pci_err(pdev, "It is not possible to auto-detect ZR36057 based cards\n");
1289 goto zr_unreg;
1290 }
1291
1292 card_num = ent->driver_data;
1293 if (card_num >= NUM_CARDS) {
1294 pci_err(pdev, "Unknown card, try specifying card=X module parameter\n");
1295 goto zr_unreg;
1296 }
1297 pci_info(zr->pci_dev, "%s() - card %s detected\n", __func__,
1298 zoran_cards[card_num].name);
1299 } else {
1300 card_num = card[nr];
1301 if (card_num >= NUM_CARDS || card_num < 0) {
1302 pci_err(pdev, "User specified card type %d out of range (0 .. %d)\n",
1303 card_num, NUM_CARDS - 1);
1304 goto zr_unreg;
1305 }
1306 }
1307
1308 /*
1309 * even though we make this a non pointer and thus
1310 * theoretically allow for making changes to this struct
1311 * on a per-individual card basis at runtime, this is
1312 * strongly discouraged. This structure is intended to
1313 * keep general card information, no settings or anything
1314 */
1315 zr->card = zoran_cards[card_num];
1316 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "%s[%u]",
1317 zr->card.name, zr->id);
1318
1319 err = pci_request_regions(pdev, ZR_DEVNAME(zr));
1320 if (err)
1321 goto zr_unreg;
1322
1323 zr->zr36057_mem = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0),
1324 pci_resource_len(pdev, 0));
1325 if (!zr->zr36057_mem) {
1326 pci_err(pdev, "%s() - ioremap failed\n", __func__);
1327 goto zr_pci_release;
1328 }
1329
1330 result = pci_request_irq(pdev, 0, zoran_irq, NULL, zr, ZR_DEVNAME(zr));
1331 if (result < 0) {
1332 if (result == -EINVAL) {
1333 pci_err(pdev, "%s - bad IRQ number or handler\n", __func__);
1334 } else if (result == -EBUSY) {
1335 pci_err(pdev, "%s - IRQ %d busy, change your PnP config in BIOS\n",
1336 __func__, zr->pci_dev->irq);
1337 } else {
1338 pci_err(pdev, "%s - cannot assign IRQ, error code %d\n", __func__, result);
1339 }
1340 goto zr_pci_release;
1341 }
1342
1343 /* set PCI latency timer */
1344 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1345 &latency);
1346 need_latency = zr->revision > 1 ? 32 : 48;
1347 if (latency != need_latency) {
1348 pci_info(zr->pci_dev, "Changing PCI latency from %d to %d\n",
1349 latency, need_latency);
1350 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, need_latency);
1351 }
1352
1353 zr36057_restart(zr);
1354
1355 err = zoran_i2c_init(zr);
1356 if (err)
1357 goto zr_free_irq;
1358
1359 pci_info(zr->pci_dev, "Initializing videocodec bus...\n");
1360 err = videocodec_init(zr);
1361 if (err)
1362 goto zr_unreg_i2c;
1363
1364 /* reset JPEG codec */
1365 jpeg_codec_sleep(zr, 1);
1366 jpeg_codec_reset(zr);
1367 /* video bus enabled */
1368 /* display codec revision */
1369 if (zr->card.video_codec != 0) {
1370 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1371 if (!master_codec)
1372 goto zr_unreg_videocodec;
1373 zr->codec = videocodec_attach(master_codec);
1374 if (!zr->codec) {
1375 pci_err(pdev, "%s - no codec found\n", __func__);
1376 goto zr_unreg_videocodec;
1377 }
1378 if (zr->codec->type != zr->card.video_codec) {
1379 pci_err(pdev, "%s - wrong codec\n", __func__);
1380 goto zr_unreg_videocodec;
1381 }
1382 }
1383 if (zr->card.video_vfe != 0) {
1384 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1385 if (!master_vfe)
1386 goto zr_detach_codec;
1387 zr->vfe = videocodec_attach(master_vfe);
1388 if (!zr->vfe) {
1389 pci_err(pdev, "%s - no VFE found\n", __func__);
1390 goto zr_detach_codec;
1391 }
1392 if (zr->vfe->type != zr->card.video_vfe) {
1393 pci_err(pdev, "%s = wrong VFE\n", __func__);
1394 goto zr_detach_vfe;
1395 }
1396 }
1397
1398 /* take care of Natoma chipset and a revision 1 zr36057 */
1399 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1)
1400 pci_info(zr->pci_dev, "ZR36057/Natoma bug, max. buffer size is 128K\n");
1401
1402 if (zr36057_init(zr) < 0)
1403 goto zr_detach_vfe;
1404
1405 zr->map_mode = ZORAN_MAP_MODE_RAW;
1406
1407 zr->dbgfs_dir = debugfs_create_dir(ZR_DEVNAME(zr), NULL);
1408 debugfs_create_file("debug", 0444, zr->dbgfs_dir, zr,
1409 &zoran_debugfs_fops);
1410 return 0;
1411
1412 zr_detach_vfe:
1413 videocodec_detach(zr->vfe);
1414 zr_detach_codec:
1415 videocodec_detach(zr->codec);
1416 zr_unreg_videocodec:
1417 videocodec_exit(zr);
1418 zr_unreg_i2c:
1419 zoran_i2c_exit(zr);
1420 zr_free_irq:
1421 btwrite(0, ZR36057_SPGPPCR);
1422 pci_free_irq(zr->pci_dev, 0, zr);
1423 zr_pci_release:
1424 pci_release_regions(pdev);
1425 zr_unreg:
1426 v4l2_ctrl_handler_free(&zr->hdl);
1427 v4l2_device_unregister(&zr->v4l2_dev);
1428 zr_free_mem:
1429
1430 return -ENODEV;
1431 }
1432
1433 static struct pci_driver zoran_driver = {
1434 .name = "zr36067",
1435 .id_table = zr36067_pci_tbl,
1436 .probe = zoran_probe,
1437 .remove = zoran_remove,
1438 };
1439
1440 module_pci_driver(zoran_driver);
Kernel DRM miscellaneous fixes and cross-tree changes