2 * Zoran zr36057/zr36067 PCI controller driver, for the
3 * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
4 * Media Labs LML33/LML33R10.
6 * This part handles card-specific data and detection
8 * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
10 * Currently maintained by:
11 * Ronald Bultje <rbultje@ronald.bitfreak.net>
12 * Laurent Pinchart <laurent.pinchart@skynet.be>
13 * Mailinglist <mjpeg-users@lists.sf.net>
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
26 #include <linux/delay.h>
28 #include <linux/types.h>
29 #include <linux/kernel.h>
30 #include <linux/module.h>
31 #include <linux/init.h>
32 #include <linux/vmalloc.h>
33 #include <linux/slab.h>
35 #include <linux/proc_fs.h>
36 #include <linux/i2c.h>
37 #include <linux/i2c-algo-bit.h>
38 #include <linux/videodev2.h>
39 #include <linux/spinlock.h>
40 #include <linux/sem.h>
41 #include <linux/kmod.h>
42 #include <linux/wait.h>
44 #include <linux/pci.h>
45 #include <linux/interrupt.h>
46 #include <linux/mutex.h>
48 #include <media/v4l2-common.h>
49 #include <media/i2c/bt819.h>
51 #include "videocodec.h"
53 #include "zoran_card.h"
54 #include "zoran_device.h"
55 #include "zoran_procfs.h"
57 extern const struct zoran_format zoran_formats[];
59 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
60 module_param_array(card, int, NULL, 0444);
61 MODULE_PARM_DESC(card, "Card type");
64 The video mem address of the video card.
65 The driver has a little database for some videocards
66 to determine it from there. If your video card is not in there
67 you have either to give it to the driver as a parameter
68 or set in in a VIDIOCSFBUF ioctl
71 static unsigned long vidmem; /* default = 0 - Video memory base address */
72 module_param_hw(vidmem, ulong, iomem, 0444);
73 MODULE_PARM_DESC(vidmem, "Default video memory base address");
76 Default input and video norm at startup of the driver.
79 static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
80 module_param(default_input, uint, 0444);
81 MODULE_PARM_DESC(default_input,
82 "Default input (0=Composite, 1=S-Video, 2=Internal)");
84 static int default_mux = 1; /* 6 Eyes input selection */
85 module_param(default_mux, int, 0644);
86 MODULE_PARM_DESC(default_mux,
87 "Default 6 Eyes mux setting (Input selection)");
89 static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
90 module_param(default_norm, int, 0444);
91 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
93 /* /dev/videoN, -1 for autodetect */
94 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
95 module_param_array(video_nr, int, NULL, 0444);
96 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
99 int v4l_bufsize = 864; /* Everybody should be able to work with this setting */
100 module_param(v4l_nbufs, int, 0644);
101 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
102 module_param(v4l_bufsize, int, 0644);
103 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
106 int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */
107 module_param(jpg_nbufs, int, 0644);
108 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
109 module_param(jpg_bufsize, int, 0644);
110 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
112 int pass_through = 0; /* 1=Pass through TV signal when device is not used */
113 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
114 module_param(pass_through, int, 0644);
115 MODULE_PARM_DESC(pass_through,
116 "Pass TV signal through to TV-out when idling");
118 int zr36067_debug = 1;
119 module_param_named(debug, zr36067_debug, int, 0644);
120 MODULE_PARM_DESC(debug, "Debug level (0-5)");
122 #define ZORAN_VERSION "0.10.1"
124 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
125 MODULE_AUTHOR("Serguei Miridonov");
126 MODULE_LICENSE("GPL");
127 MODULE_VERSION(ZORAN_VERSION);
129 #define ZR_DEVICE(subven, subdev, data) { \
130 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
131 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
133 static const struct pci_device_id zr36067_pci_tbl[] = {
134 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
135 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
136 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
137 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
138 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
141 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
143 static unsigned int zoran_num; /* number of cards found */
145 /* videocodec bus functions ZR36060 */
147 zr36060_read (struct videocodec *codec,
150 struct zoran *zr = (struct zoran *) codec->master_data->data;
153 if (post_office_wait(zr)
154 || post_office_write(zr, 0, 1, reg >> 8)
155 || post_office_write(zr, 0, 2, reg & 0xff)) {
159 data = post_office_read(zr, 0, 3) & 0xff;
164 zr36060_write (struct videocodec *codec,
168 struct zoran *zr = (struct zoran *) codec->master_data->data;
170 if (post_office_wait(zr)
171 || post_office_write(zr, 0, 1, reg >> 8)
172 || post_office_write(zr, 0, 2, reg & 0xff)) {
176 post_office_write(zr, 0, 3, val & 0xff);
179 /* videocodec bus functions ZR36050 */
181 zr36050_read (struct videocodec *codec,
184 struct zoran *zr = (struct zoran *) codec->master_data->data;
187 if (post_office_wait(zr)
188 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
192 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
197 zr36050_write (struct videocodec *codec,
201 struct zoran *zr = (struct zoran *) codec->master_data->data;
203 if (post_office_wait(zr)
204 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
208 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
211 /* videocodec bus functions ZR36016 */
213 zr36016_read (struct videocodec *codec,
216 struct zoran *zr = (struct zoran *) codec->master_data->data;
219 if (post_office_wait(zr)) {
223 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
227 /* hack for in zoran_device.c */
229 zr36016_write (struct videocodec *codec,
233 struct zoran *zr = (struct zoran *) codec->master_data->data;
235 if (post_office_wait(zr)) {
239 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
243 * Board specific information
247 dc10_init (struct zoran *zr)
249 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
251 /* Pixel clock selection */
254 /* Enable the video bus sync signals */
259 dc10plus_init (struct zoran *zr)
261 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
265 buz_init (struct zoran *zr)
267 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
269 /* some stuff from Iomega */
270 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
271 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
272 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
276 lml33_init (struct zoran *zr)
278 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
280 GPIO(zr, 2, 1); // Set Composite input/output
284 avs6eyes_init (struct zoran *zr)
286 // AverMedia 6-Eyes original driver by Christer Weinigel
288 // Lifted straight from Christer's old driver and
289 // modified slightly by Martin Samuelsson.
291 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
293 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
296 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
297 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
298 GPIO(zr, 2, mux & 1); /* MUX S0 */
299 GPIO(zr, 3, 0); /* /FRAME on */
300 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
301 GPIO(zr, 5, mux & 2); /* MUX S1 */
302 GPIO(zr, 6, 0); /* ? */
303 GPIO(zr, 7, mux & 4); /* MUX S2 */
308 codecid_to_modulename (u16 codecid)
313 case CODEC_TYPE_ZR36060:
316 case CODEC_TYPE_ZR36050:
319 case CODEC_TYPE_ZR36016:
328 // u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
331 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
332 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
333 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
334 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
336 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
337 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
339 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
340 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
341 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
343 /* FIXME: I cannot swap U and V in saa7114, so i do one
344 * pixel left shift in zoran (75 -> 74)
345 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
346 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
347 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
349 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
350 * copy Maxim's left shift hack for the 6 Eyes.
352 * Christer's driver used the unshifted norms, though...
354 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
355 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
357 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
358 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
359 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
360 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
361 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
362 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
363 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
364 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
365 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
366 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
368 static struct card_info zoran_cards[NUM_CARDS] = {
372 .i2c_decoder = "vpx3220a",
373 .addrs_decoder = vpx3220_addrs,
374 .video_codec = CODEC_TYPE_ZR36050,
375 .video_vfe = CODEC_TYPE_ZR36016,
381 { 0, "Internal/comp" }
383 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
390 .vsync_int = ZR36057_ISR_GIRQ1,
391 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
392 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
394 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
395 .gws_not_connected = 0,
401 .i2c_decoder = "saa7110",
402 .addrs_decoder = saa7110_addrs,
403 .i2c_encoder = "adv7175",
404 .addrs_encoder = adv717x_addrs,
405 .video_codec = CODEC_TYPE_ZR36060,
411 { 5, "Internal/comp" }
413 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
418 .jpeg_int = ZR36057_ISR_GIRQ0,
419 .vsync_int = ZR36057_ISR_GIRQ1,
420 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
421 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
423 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
424 .gws_not_connected = 0,
426 .init = &dc10plus_init,
430 .i2c_decoder = "saa7110",
431 .addrs_decoder = saa7110_addrs,
432 .i2c_encoder = "adv7175",
433 .addrs_encoder = adv717x_addrs,
434 .video_codec = CODEC_TYPE_ZR36060,
440 { 5, "Internal/comp" }
442 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
448 .jpeg_int = ZR36057_ISR_GIRQ0,
449 .vsync_int = ZR36057_ISR_GIRQ1,
450 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
451 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
453 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
454 .gws_not_connected = 0,
456 .init = &dc10plus_init,
460 .i2c_decoder = "vpx3220a",
461 .addrs_decoder = vpx3220_addrs,
462 .i2c_encoder = "adv7175",
463 .addrs_encoder = adv717x_addrs,
464 .video_codec = CODEC_TYPE_ZR36050,
465 .video_vfe = CODEC_TYPE_ZR36016,
471 { 0, "Internal/comp" }
473 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
480 .vsync_int = ZR36057_ISR_GIRQ1,
481 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
482 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
484 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
485 .gws_not_connected = 0,
491 .i2c_decoder = "vpx3220a",
492 .addrs_decoder = vpx3220_addrs,
493 .i2c_encoder = "adv7175",
494 .addrs_encoder = adv717x_addrs,
495 .video_codec = CODEC_TYPE_ZR36050,
496 .video_vfe = CODEC_TYPE_ZR36016,
502 { 0, "Internal/comp" }
504 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
511 .vsync_int = ZR36057_ISR_GIRQ1,
512 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
513 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
515 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
516 .gws_not_connected = 0,
522 .i2c_decoder = "bt819a",
523 .addrs_decoder = bt819_addrs,
524 .i2c_encoder = "bt856",
525 .addrs_encoder = bt856_addrs,
526 .video_codec = CODEC_TYPE_ZR36060,
533 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
539 .jpeg_int = ZR36057_ISR_GIRQ1,
540 .vsync_int = ZR36057_ISR_GIRQ0,
541 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
542 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
544 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
545 .gws_not_connected = 1,
551 .i2c_decoder = "saa7114",
552 .addrs_decoder = saa7114_addrs,
553 .i2c_encoder = "adv7170",
554 .addrs_encoder = adv717x_addrs,
555 .video_codec = CODEC_TYPE_ZR36060,
562 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
568 .jpeg_int = ZR36057_ISR_GIRQ1,
569 .vsync_int = ZR36057_ISR_GIRQ0,
570 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
571 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
573 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
574 .gws_not_connected = 1,
580 .i2c_decoder = "saa7111",
581 .addrs_decoder = saa7111_addrs,
582 .i2c_encoder = "saa7185",
583 .addrs_encoder = saa7185_addrs,
584 .video_codec = CODEC_TYPE_ZR36060,
591 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
597 .jpeg_int = ZR36057_ISR_GIRQ1,
598 .vsync_int = ZR36057_ISR_GIRQ0,
599 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
600 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
602 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
603 .gws_not_connected = 1,
609 /* AverMedia chose not to brand the 6-Eyes. Thus it
610 can't be autodetected, and requires card=x. */
611 .i2c_decoder = "ks0127",
612 .addrs_decoder = ks0127_addrs,
613 .i2c_encoder = "bt866",
614 .addrs_encoder = bt866_addrs,
615 .video_codec = CODEC_TYPE_ZR36060,
619 { 0, "Composite 1" },
620 { 1, "Composite 2" },
621 { 2, "Composite 3" },
622 { 4, "Composite 4" },
623 { 5, "Composite 5" },
624 { 6, "Composite 6" },
630 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
632 &f50ccir601_avs6eyes,
633 &f60ccir601_avs6eyes,
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,
644 .init = &avs6eyes_init,
652 /* software I2C functions */
654 zoran_i2c_getsda (void *data)
656 struct zoran *zr = (struct zoran *) data;
658 return (btread(ZR36057_I2CBR) >> 1) & 1;
662 zoran_i2c_getscl (void *data)
664 struct zoran *zr = (struct zoran *) data;
666 return btread(ZR36057_I2CBR) & 1;
670 zoran_i2c_setsda (void *data,
673 struct zoran *zr = (struct zoran *) data;
679 btwrite(zr->i2cbr, ZR36057_I2CBR);
683 zoran_i2c_setscl (void *data,
686 struct zoran *zr = (struct zoran *) data;
692 btwrite(zr->i2cbr, ZR36057_I2CBR);
695 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
696 .setsda = zoran_i2c_setsda,
697 .setscl = zoran_i2c_setscl,
698 .getsda = zoran_i2c_getsda,
699 .getscl = zoran_i2c_getscl,
705 zoran_register_i2c (struct zoran *zr)
707 zr->i2c_algo = zoran_i2c_bit_data_template;
708 zr->i2c_algo.data = zr;
709 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
710 sizeof(zr->i2c_adapter.name));
711 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
712 zr->i2c_adapter.algo_data = &zr->i2c_algo;
713 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
714 return i2c_bit_add_bus(&zr->i2c_adapter);
718 zoran_unregister_i2c (struct zoran *zr)
720 i2c_del_adapter(&zr->i2c_adapter);
723 /* Check a zoran_params struct for correctness, insert default params */
726 zoran_check_jpg_settings (struct zoran *zr,
727 struct zoran_jpg_settings *settings,
730 int err = 0, err0 = 0;
734 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
735 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
736 settings->VerDcm, settings->TmpDcm);
739 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
740 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
741 settings->img_width, settings->img_height);
742 /* Check decimation, set default values for decimation = 1, 2, 4 */
743 switch (settings->decimation) {
746 settings->HorDcm = 1;
747 settings->VerDcm = 1;
748 settings->TmpDcm = 1;
749 settings->field_per_buff = 2;
752 settings->img_width = BUZ_MAX_WIDTH;
753 settings->img_height = BUZ_MAX_HEIGHT / 2;
757 settings->HorDcm = 2;
758 settings->VerDcm = 1;
759 settings->TmpDcm = 2;
760 settings->field_per_buff = 1;
761 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
763 settings->img_width =
764 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
765 settings->img_height = BUZ_MAX_HEIGHT / 2;
769 if (zr->card.type == DC10_new) {
772 "%s: %s - HDec by 4 is not supported on the DC10\n",
773 ZR_DEVNAME(zr), __func__);
778 settings->HorDcm = 4;
779 settings->VerDcm = 2;
780 settings->TmpDcm = 2;
781 settings->field_per_buff = 1;
782 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
784 settings->img_width =
785 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
786 settings->img_height = BUZ_MAX_HEIGHT / 2;
790 /* We have to check the data the user has set */
792 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
793 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
794 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
797 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
798 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
801 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
802 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
805 if (settings->field_per_buff != 1 &&
806 settings->field_per_buff != 2) {
807 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
810 if (settings->img_x < 0) {
814 if (settings->img_y < 0) {
818 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
819 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
822 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
823 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
826 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
827 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
830 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
831 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
834 if (settings->img_width % (16 * settings->HorDcm) != 0) {
835 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
836 if (settings->img_width == 0)
837 settings->img_width = 16 * settings->HorDcm;
840 if (settings->img_height % (8 * settings->VerDcm) != 0) {
841 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
842 if (settings->img_height == 0)
843 settings->img_height = 8 * settings->VerDcm;
850 "%s: %s - error in params for decimation = 0\n",
851 ZR_DEVNAME(zr), __func__);
858 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
859 ZR_DEVNAME(zr), __func__, settings->decimation);
864 if (settings->jpg_comp.quality > 100)
865 settings->jpg_comp.quality = 100;
866 if (settings->jpg_comp.quality < 5)
867 settings->jpg_comp.quality = 5;
868 if (settings->jpg_comp.APPn < 0)
869 settings->jpg_comp.APPn = 0;
870 if (settings->jpg_comp.APPn > 15)
871 settings->jpg_comp.APPn = 15;
872 if (settings->jpg_comp.APP_len < 0)
873 settings->jpg_comp.APP_len = 0;
874 if (settings->jpg_comp.APP_len > 60)
875 settings->jpg_comp.APP_len = 60;
876 if (settings->jpg_comp.COM_len < 0)
877 settings->jpg_comp.COM_len = 0;
878 if (settings->jpg_comp.COM_len > 60)
879 settings->jpg_comp.COM_len = 60;
886 zoran_open_init_params (struct zoran *zr)
890 /* User must explicitly set a window */
891 zr->overlay_settings.is_set = 0;
892 zr->overlay_mask = NULL;
893 zr->overlay_active = ZORAN_FREE;
895 zr->v4l_memgrab_active = 0;
896 zr->v4l_overlay_active = 0;
897 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
898 zr->v4l_grab_seq = 0;
899 zr->v4l_settings.width = 192;
900 zr->v4l_settings.height = 144;
901 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
902 zr->v4l_settings.bytesperline =
903 zr->v4l_settings.width *
904 ((zr->v4l_settings.format->depth + 7) / 8);
906 /* DMA ring stuff for V4L */
907 zr->v4l_pend_tail = 0;
908 zr->v4l_pend_head = 0;
909 zr->v4l_sync_tail = 0;
910 zr->v4l_buffers.active = ZORAN_FREE;
911 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
912 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
914 zr->v4l_buffers.allocated = 0;
916 for (i = 0; i < BUZ_MAX_FRAME; i++) {
917 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
919 zr->jpg_buffers.active = ZORAN_FREE;
920 zr->jpg_buffers.allocated = 0;
921 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
922 zr->jpg_settings.decimation = 1;
923 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
924 if (zr->card.type != BUZ)
925 zr->jpg_settings.odd_even = 1;
927 zr->jpg_settings.odd_even = 0;
928 zr->jpg_settings.jpg_comp.APPn = 0;
929 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
930 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
931 sizeof(zr->jpg_settings.jpg_comp.APP_data));
932 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
933 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
934 sizeof(zr->jpg_settings.jpg_comp.COM_data));
935 zr->jpg_settings.jpg_comp.jpeg_markers =
936 V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
937 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
939 dprintk(1, KERN_ERR "%s: %s internal error\n",
940 ZR_DEVNAME(zr), __func__);
942 clear_interrupt_counters(zr);
946 static void test_interrupts (struct zoran *zr)
951 clear_interrupt_counters(zr);
954 icr = btread(ZR36057_ICR);
955 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
956 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
957 timeout = schedule_timeout(HZ);
958 finish_wait(&zr->test_q, &wait);
959 btwrite(0, ZR36057_ICR);
960 btwrite(0x78000000, ZR36057_ISR);
962 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
964 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
966 if (zr36067_debug > 1)
967 print_interrupts(zr);
968 btwrite(icr, ZR36057_ICR);
971 static int zr36057_init (struct zoran *zr)
977 "%s: %s - initializing card[%d], zr=%p\n",
978 ZR_DEVNAME(zr), __func__, zr->id, zr);
980 /* default setup of all parameters which will persist between opens */
983 init_waitqueue_head(&zr->v4l_capq);
984 init_waitqueue_head(&zr->jpg_capq);
985 init_waitqueue_head(&zr->test_q);
986 zr->jpg_buffers.allocated = 0;
987 zr->v4l_buffers.allocated = 0;
989 zr->vbuf_base = (void *) vidmem;
993 zr->vbuf_bytesperline = 0;
995 /* Avoid nonsense settings from user for default input/norm */
996 if (default_norm < 0 || default_norm > 2)
998 if (default_norm == 0) {
999 zr->norm = V4L2_STD_PAL;
1000 zr->timing = zr->card.tvn[0];
1001 } else if (default_norm == 1) {
1002 zr->norm = V4L2_STD_NTSC;
1003 zr->timing = zr->card.tvn[1];
1005 zr->norm = V4L2_STD_SECAM;
1006 zr->timing = zr->card.tvn[2];
1008 if (zr->timing == NULL) {
1011 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1012 ZR_DEVNAME(zr), __func__);
1013 zr->norm = V4L2_STD_PAL;
1014 zr->timing = zr->card.tvn[0];
1017 if (default_input > zr->card.inputs-1) {
1020 "%s: default_input value %d out of range (0-%d)\n",
1021 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1024 zr->input = default_input;
1026 /* default setup (will be repeated at every open) */
1027 zoran_open_init_params(zr);
1029 /* allocate memory *before* doing anything to the hardware
1030 * in case allocation fails */
1031 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1032 zr->video_dev = video_device_alloc();
1033 if (!zr->stat_com || !zr->video_dev) {
1036 "%s: %s - kmalloc (STAT_COM) failed\n",
1037 ZR_DEVNAME(zr), __func__);
1041 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1042 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1046 * Now add the template and register the device unit.
1048 *zr->video_dev = zoran_template;
1049 zr->video_dev->v4l2_dev = &zr->v4l2_dev;
1050 zr->video_dev->lock = &zr->lock;
1051 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1052 /* It's not a mem2mem device, but you can both capture and output from
1053 one and the same device. This should really be split up into two
1054 device nodes, but that's a job for another day. */
1055 zr->video_dev->vfl_dir = VFL_DIR_M2M;
1056 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1059 video_set_drvdata(zr->video_dev, zr);
1061 zoran_init_hardware(zr);
1062 if (zr36067_debug > 2)
1063 detect_guest_activity(zr);
1064 test_interrupts(zr);
1065 if (!pass_through) {
1066 decoder_call(zr, video, s_stream, 0);
1067 encoder_call(zr, video, s_routing, 2, 0, 0);
1070 zr->zoran_proc = NULL;
1071 zr->initialized = 1;
1075 kfree(zr->stat_com);
1076 kfree(zr->video_dev);
1080 static void zoran_remove(struct pci_dev *pdev)
1082 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1083 struct zoran *zr = to_zoran(v4l2_dev);
1085 if (!zr->initialized)
1088 /* unregister videocodec bus */
1090 struct videocodec_master *master = zr->codec->master_data;
1092 videocodec_detach(zr->codec);
1096 struct videocodec_master *master = zr->vfe->master_data;
1098 videocodec_detach(zr->vfe);
1102 /* unregister i2c bus */
1103 zoran_unregister_i2c(zr);
1104 /* disable PCI bus-mastering */
1105 zoran_set_pci_master(zr, 0);
1106 /* put chip into reset */
1107 btwrite(0, ZR36057_SPGPPCR);
1108 free_irq(zr->pci_dev->irq, zr);
1109 /* unmap and free memory */
1110 kfree(zr->stat_com);
1111 zoran_proc_cleanup(zr);
1112 iounmap(zr->zr36057_mem);
1113 pci_disable_device(zr->pci_dev);
1114 video_unregister_device(zr->video_dev);
1116 v4l2_ctrl_handler_free(&zr->hdl);
1117 v4l2_device_unregister(&zr->v4l2_dev);
1122 zoran_vdev_release (struct video_device *vdev)
1127 static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr,
1130 struct videocodec_master *m = NULL;
1132 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1134 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1135 ZR_DEVNAME(zr), __func__);
1139 /* magic and type are unused for master struct. Makes sense only at
1141 In the past, .type were initialized to the old V4L1 .hardware
1142 value, as VID_HARDWARE_ZR36067
1147 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1148 strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1153 case CODEC_TYPE_ZR36060:
1154 m->readreg = zr36060_read;
1155 m->writereg = zr36060_write;
1156 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1158 case CODEC_TYPE_ZR36050:
1159 m->readreg = zr36050_read;
1160 m->writereg = zr36050_write;
1161 m->flags |= CODEC_FLAG_JPEG;
1163 case CODEC_TYPE_ZR36016:
1164 m->readreg = zr36016_read;
1165 m->writereg = zr36016_write;
1166 m->flags |= CODEC_FLAG_VFE;
1173 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1175 struct zoran *zr = to_zoran(sd->v4l2_dev);
1177 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1178 LML33 card uses GPIO(7) for that. */
1179 if (cmd == BT819_FIFO_RESET_LOW)
1181 else if (cmd == BT819_FIFO_RESET_HIGH)
1186 * Scan for a Buz card (actually for the PCI controller ZR36057),
1187 * request the irq and map the io memory
1189 static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1191 unsigned char latency, need_latency;
1194 struct videocodec_master *master_vfe = NULL;
1195 struct videocodec_master *master_codec = NULL;
1197 char *codec_name, *vfe_name;
1202 if (nr >= BUZ_MAX) {
1203 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1204 ZORAN_NAME, BUZ_MAX);
1208 zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1210 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1211 ZORAN_NAME, __func__);
1214 zr->v4l2_dev.notify = zoran_subdev_notify;
1215 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1219 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1220 if (v4l2_ctrl_handler_init(&zr->hdl, 10))
1222 zr->v4l2_dev.ctrl_handler = &zr->hdl;
1223 spin_lock_init(&zr->spinlock);
1224 mutex_init(&zr->lock);
1225 if (pci_enable_device(pdev))
1227 zr->revision = zr->pci_dev->revision;
1231 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1232 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1233 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1234 if (zr->revision >= 2) {
1237 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1238 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1239 zr->pci_dev->subsystem_device);
1242 /* Use auto-detected card type? */
1243 if (card[nr] == -1) {
1244 if (zr->revision < 2) {
1247 "%s: No card type specified, please use the card=X module parameter\n",
1251 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1256 card_num = ent->driver_data;
1257 if (card_num >= NUM_CARDS) {
1260 "%s: Unknown card, try specifying card=X module parameter\n",
1266 "%s: %s() - card %s detected\n",
1267 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1269 card_num = card[nr];
1270 if (card_num >= NUM_CARDS || card_num < 0) {
1273 "%s: User specified card type %d out of range (0 .. %d)\n",
1274 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1279 /* even though we make this a non pointer and thus
1280 * theoretically allow for making changes to this struct
1281 * on a per-individual card basis at runtime, this is
1282 * strongly discouraged. This structure is intended to
1283 * keep general card information, no settings or anything */
1284 zr->card = zoran_cards[card_num];
1285 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1286 "%s[%u]", zr->card.name, zr->id);
1288 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1289 if (!zr->zr36057_mem) {
1290 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1291 ZR_DEVNAME(zr), __func__);
1295 result = request_irq(zr->pci_dev->irq, zoran_irq,
1296 IRQF_SHARED, ZR_DEVNAME(zr), zr);
1298 if (result == -EINVAL) {
1301 "%s: %s - bad irq number or handler\n",
1302 ZR_DEVNAME(zr), __func__);
1303 } else if (result == -EBUSY) {
1306 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1307 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1311 "%s: %s - can't assign irq, error code %d\n",
1312 ZR_DEVNAME(zr), __func__, result);
1317 /* set PCI latency timer */
1318 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1320 need_latency = zr->revision > 1 ? 32 : 48;
1321 if (latency != need_latency) {
1322 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1323 ZR_DEVNAME(zr), latency, need_latency);
1324 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1328 zr36057_restart(zr);
1330 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1333 if (zoran_register_i2c(zr) < 0) {
1334 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1335 ZR_DEVNAME(zr), __func__);
1339 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1340 &zr->i2c_adapter, zr->card.i2c_decoder,
1341 0, zr->card.addrs_decoder);
1343 if (zr->card.i2c_encoder)
1344 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1345 &zr->i2c_adapter, zr->card.i2c_encoder,
1346 0, zr->card.addrs_encoder);
1349 KERN_INFO "%s: Initializing videocodec bus...\n",
1352 if (zr->card.video_codec) {
1353 codec_name = codecid_to_modulename(zr->card.video_codec);
1355 result = request_module(codec_name);
1359 "%s: failed to load modules %s: %d\n",
1360 ZR_DEVNAME(zr), codec_name, result);
1364 if (zr->card.video_vfe) {
1365 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1367 result = request_module(vfe_name);
1371 "%s: failed to load modules %s: %d\n",
1372 ZR_DEVNAME(zr), vfe_name, result);
1377 /* reset JPEG codec */
1378 jpeg_codec_sleep(zr, 1);
1379 jpeg_codec_reset(zr);
1380 /* video bus enabled */
1381 /* display codec revision */
1382 if (zr->card.video_codec != 0) {
1383 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1386 zr->codec = videocodec_attach(master_codec);
1388 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1389 ZR_DEVNAME(zr), __func__);
1392 if (zr->codec->type != zr->card.video_codec) {
1393 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1394 ZR_DEVNAME(zr), __func__);
1395 goto zr_detach_codec;
1398 if (zr->card.video_vfe != 0) {
1399 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1401 goto zr_detach_codec;
1402 zr->vfe = videocodec_attach(master_vfe);
1404 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1405 ZR_DEVNAME(zr), __func__);
1408 if (zr->vfe->type != zr->card.video_vfe) {
1409 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1410 ZR_DEVNAME(zr), __func__);
1415 /* take care of Natoma chipset and a revision 1 zr36057 */
1416 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1417 zr->jpg_buffers.need_contiguous = 1;
1418 dprintk(1, KERN_INFO
1419 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1423 if (zr36057_init(zr) < 0)
1426 zoran_proc_init(zr);
1431 videocodec_detach(zr->vfe);
1435 videocodec_detach(zr->codec);
1437 kfree(master_codec);
1439 zoran_unregister_i2c(zr);
1441 btwrite(0, ZR36057_SPGPPCR);
1442 free_irq(zr->pci_dev->irq, zr);
1444 iounmap(zr->zr36057_mem);
1446 v4l2_ctrl_handler_free(&zr->hdl);
1447 v4l2_device_unregister(&zr->v4l2_dev);
1454 static struct pci_driver zoran_driver = {
1456 .id_table = zr36067_pci_tbl,
1457 .probe = zoran_probe,
1458 .remove = zoran_remove,
1461 static int __init zoran_init(void)
1465 printk(KERN_INFO "Zoran MJPEG board driver version %s\n",
1468 /* check the parameters we have been given, adjust if necessary */
1471 if (v4l_nbufs > VIDEO_MAX_FRAME)
1472 v4l_nbufs = VIDEO_MAX_FRAME;
1473 /* The user specfies the in KB, we want them in byte
1474 * (and page aligned) */
1475 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1476 if (v4l_bufsize < 32768)
1477 v4l_bufsize = 32768;
1478 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1479 if (v4l_bufsize > 2048 * 1024)
1480 v4l_bufsize = 2048 * 1024;
1483 if (jpg_nbufs > BUZ_MAX_FRAME)
1484 jpg_nbufs = BUZ_MAX_FRAME;
1485 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1486 if (jpg_bufsize < 8192)
1488 if (jpg_bufsize > (512 * 1024))
1489 jpg_bufsize = 512 * 1024;
1490 /* Use parameter for vidmem or try to find a video card */
1494 "%s: Using supplied video memory base address @ 0x%lx\n",
1495 ZORAN_NAME, vidmem);
1498 /* some mainboards might not do PCI-PCI data transfer well */
1499 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1502 "%s: chipset does not support reliable PCI-PCI DMA\n",
1506 res = pci_register_driver(&zoran_driver);
1510 "%s: Unable to register ZR36057 driver\n",
1518 static void __exit zoran_exit(void)
1520 pci_unregister_driver(&zoran_driver);
1523 module_init(zoran_init);
1524 module_exit(zoran_exit);