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