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.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/delay.h>
32 #include <linux/types.h>
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/init.h>
36 #include <linux/vmalloc.h>
37 #include <linux/slab.h>
39 #include <linux/proc_fs.h>
40 #include <linux/i2c.h>
41 #include <linux/i2c-algo-bit.h>
42 #include <linux/videodev2.h>
43 #include <linux/spinlock.h>
44 #include <linux/sem.h>
45 #include <linux/kmod.h>
46 #include <linux/wait.h>
48 #include <linux/pci.h>
49 #include <linux/interrupt.h>
50 #include <linux/mutex.h>
52 #include <media/v4l2-common.h>
53 #include <media/bt819.h>
55 #include "videocodec.h"
57 #include "zoran_card.h"
58 #include "zoran_device.h"
59 #include "zoran_procfs.h"
61 extern const struct zoran_format zoran_formats[];
63 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
64 module_param_array(card, int, NULL, 0444);
65 MODULE_PARM_DESC(card, "Card type");
68 The video mem address of the video card.
69 The driver has a little database for some videocards
70 to determine it from there. If your video card is not in there
71 you have either to give it to the driver as a parameter
72 or set in in a VIDIOCSFBUF ioctl
75 static unsigned long vidmem; /* default = 0 - Video memory base address */
76 module_param(vidmem, ulong, 0444);
77 MODULE_PARM_DESC(vidmem, "Default video memory base address");
80 Default input and video norm at startup of the driver.
83 static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
84 module_param(default_input, uint, 0444);
85 MODULE_PARM_DESC(default_input,
86 "Default input (0=Composite, 1=S-Video, 2=Internal)");
88 static int default_mux = 1; /* 6 Eyes input selection */
89 module_param(default_mux, int, 0644);
90 MODULE_PARM_DESC(default_mux,
91 "Default 6 Eyes mux setting (Input selection)");
93 static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
94 module_param(default_norm, int, 0444);
95 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
97 /* /dev/videoN, -1 for autodetect */
98 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
99 module_param_array(video_nr, int, NULL, 0444);
100 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
103 int v4l_bufsize = 864; /* Everybody should be able to work with this setting */
104 module_param(v4l_nbufs, int, 0644);
105 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
106 module_param(v4l_bufsize, int, 0644);
107 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
110 int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */
111 module_param(jpg_nbufs, int, 0644);
112 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
113 module_param(jpg_bufsize, int, 0644);
114 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
116 int pass_through = 0; /* 1=Pass through TV signal when device is not used */
117 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
118 module_param(pass_through, int, 0644);
119 MODULE_PARM_DESC(pass_through,
120 "Pass TV signal through to TV-out when idling");
122 int zr36067_debug = 1;
123 module_param_named(debug, zr36067_debug, int, 0644);
124 MODULE_PARM_DESC(debug, "Debug level (0-5)");
126 #define ZORAN_VERSION "0.10.1"
128 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
129 MODULE_AUTHOR("Serguei Miridonov");
130 MODULE_LICENSE("GPL");
131 MODULE_VERSION(ZORAN_VERSION);
133 #define ZR_DEVICE(subven, subdev, data) { \
134 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
135 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
137 static struct pci_device_id zr36067_pci_tbl[] = {
138 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
139 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
140 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
141 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
142 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
145 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
147 static unsigned int zoran_num; /* number of cards found */
149 /* videocodec bus functions ZR36060 */
151 zr36060_read (struct videocodec *codec,
154 struct zoran *zr = (struct zoran *) codec->master_data->data;
157 if (post_office_wait(zr)
158 || post_office_write(zr, 0, 1, reg >> 8)
159 || post_office_write(zr, 0, 2, reg & 0xff)) {
163 data = post_office_read(zr, 0, 3) & 0xff;
168 zr36060_write (struct videocodec *codec,
172 struct zoran *zr = (struct zoran *) codec->master_data->data;
174 if (post_office_wait(zr)
175 || post_office_write(zr, 0, 1, reg >> 8)
176 || post_office_write(zr, 0, 2, reg & 0xff)) {
180 post_office_write(zr, 0, 3, val & 0xff);
183 /* videocodec bus functions ZR36050 */
185 zr36050_read (struct videocodec *codec,
188 struct zoran *zr = (struct zoran *) codec->master_data->data;
191 if (post_office_wait(zr)
192 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
196 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
201 zr36050_write (struct videocodec *codec,
205 struct zoran *zr = (struct zoran *) codec->master_data->data;
207 if (post_office_wait(zr)
208 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
212 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
215 /* videocodec bus functions ZR36016 */
217 zr36016_read (struct videocodec *codec,
220 struct zoran *zr = (struct zoran *) codec->master_data->data;
223 if (post_office_wait(zr)) {
227 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
231 /* hack for in zoran_device.c */
233 zr36016_write (struct videocodec *codec,
237 struct zoran *zr = (struct zoran *) codec->master_data->data;
239 if (post_office_wait(zr)) {
243 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
247 * Board specific information
251 dc10_init (struct zoran *zr)
253 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
255 /* Pixel clock selection */
258 /* Enable the video bus sync signals */
263 dc10plus_init (struct zoran *zr)
265 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
269 buz_init (struct zoran *zr)
271 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
273 /* some stuff from Iomega */
274 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
275 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
276 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
280 lml33_init (struct zoran *zr)
282 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
284 GPIO(zr, 2, 1); // Set Composite input/output
288 avs6eyes_init (struct zoran *zr)
290 // AverMedia 6-Eyes original driver by Christer Weinigel
292 // Lifted straight from Christer's old driver and
293 // modified slightly by Martin Samuelsson.
295 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
297 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
300 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
301 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
302 GPIO(zr, 2, mux & 1); /* MUX S0 */
303 GPIO(zr, 3, 0); /* /FRAME on */
304 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
305 GPIO(zr, 5, mux & 2); /* MUX S1 */
306 GPIO(zr, 6, 0); /* ? */
307 GPIO(zr, 7, mux & 4); /* MUX S2 */
312 codecid_to_modulename (u16 codecid)
317 case CODEC_TYPE_ZR36060:
320 case CODEC_TYPE_ZR36050:
323 case CODEC_TYPE_ZR36016:
332 // u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
335 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
336 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
337 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
338 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
340 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
341 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
343 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
344 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
345 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
347 /* FIXME: I cannot swap U and V in saa7114, so i do one
348 * pixel left shift in zoran (75 -> 74)
349 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
350 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
351 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
353 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
354 * copy Maxim's left shift hack for the 6 Eyes.
356 * Christer's driver used the unshifted norms, though...
358 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
359 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
361 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
362 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
363 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
364 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
365 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
366 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
367 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
368 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
369 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
370 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
372 static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
376 .i2c_decoder = "vpx3220a",
377 .addrs_decoder = vpx3220_addrs,
378 .video_codec = CODEC_TYPE_ZR36050,
379 .video_vfe = CODEC_TYPE_ZR36016,
385 { 0, "Internal/comp" }
387 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
394 .vsync_int = ZR36057_ISR_GIRQ1,
395 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
396 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
398 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
399 .gws_not_connected = 0,
405 .i2c_decoder = "saa7110",
406 .addrs_decoder = saa7110_addrs,
407 .i2c_encoder = "adv7175",
408 .addrs_encoder = adv717x_addrs,
409 .video_codec = CODEC_TYPE_ZR36060,
415 { 5, "Internal/comp" }
417 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
422 .jpeg_int = ZR36057_ISR_GIRQ0,
423 .vsync_int = ZR36057_ISR_GIRQ1,
424 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
425 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
427 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
428 .gws_not_connected = 0,
430 .init = &dc10plus_init,
434 .i2c_decoder = "saa7110",
435 .addrs_decoder = saa7110_addrs,
436 .i2c_encoder = "adv7175",
437 .addrs_encoder = adv717x_addrs,
438 .video_codec = CODEC_TYPE_ZR36060,
444 { 5, "Internal/comp" }
446 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
452 .jpeg_int = ZR36057_ISR_GIRQ0,
453 .vsync_int = ZR36057_ISR_GIRQ1,
454 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
455 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
457 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
458 .gws_not_connected = 0,
460 .init = &dc10plus_init,
464 .i2c_decoder = "vpx3220a",
465 .addrs_decoder = vpx3220_addrs,
466 .i2c_encoder = "adv7175",
467 .addrs_encoder = adv717x_addrs,
468 .video_codec = CODEC_TYPE_ZR36050,
469 .video_vfe = CODEC_TYPE_ZR36016,
475 { 0, "Internal/comp" }
477 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
484 .vsync_int = ZR36057_ISR_GIRQ1,
485 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
486 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
488 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
489 .gws_not_connected = 0,
495 .i2c_decoder = "vpx3220a",
496 .addrs_decoder = vpx3220_addrs,
497 .i2c_encoder = "adv7175",
498 .addrs_encoder = adv717x_addrs,
499 .video_codec = CODEC_TYPE_ZR36050,
500 .video_vfe = CODEC_TYPE_ZR36016,
506 { 0, "Internal/comp" }
508 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
515 .vsync_int = ZR36057_ISR_GIRQ1,
516 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
517 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
519 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
520 .gws_not_connected = 0,
526 .i2c_decoder = "bt819a",
527 .addrs_decoder = bt819_addrs,
528 .i2c_encoder = "bt856",
529 .addrs_encoder = bt856_addrs,
530 .video_codec = CODEC_TYPE_ZR36060,
537 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
543 .jpeg_int = ZR36057_ISR_GIRQ1,
544 .vsync_int = ZR36057_ISR_GIRQ0,
545 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
546 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
548 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
549 .gws_not_connected = 1,
555 .i2c_decoder = "saa7114",
556 .addrs_decoder = saa7114_addrs,
557 .i2c_encoder = "adv7170",
558 .addrs_encoder = adv717x_addrs,
559 .video_codec = CODEC_TYPE_ZR36060,
566 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
572 .jpeg_int = ZR36057_ISR_GIRQ1,
573 .vsync_int = ZR36057_ISR_GIRQ0,
574 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
575 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
577 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
578 .gws_not_connected = 1,
584 .i2c_decoder = "saa7111",
585 .addrs_decoder = saa7111_addrs,
586 .i2c_encoder = "saa7185",
587 .addrs_encoder = saa7185_addrs,
588 .video_codec = CODEC_TYPE_ZR36060,
595 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
601 .jpeg_int = ZR36057_ISR_GIRQ1,
602 .vsync_int = ZR36057_ISR_GIRQ0,
603 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
604 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
606 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
607 .gws_not_connected = 1,
613 /* AverMedia chose not to brand the 6-Eyes. Thus it
614 can't be autodetected, and requires card=x. */
615 .i2c_decoder = "ks0127",
616 .addrs_decoder = ks0127_addrs,
617 .i2c_encoder = "bt866",
618 .addrs_encoder = bt866_addrs,
619 .video_codec = CODEC_TYPE_ZR36060,
623 { 0, "Composite 1" },
624 { 1, "Composite 2" },
625 { 2, "Composite 3" },
626 { 4, "Composite 4" },
627 { 5, "Composite 5" },
628 { 6, "Composite 6" },
634 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
636 &f50ccir601_avs6eyes,
637 &f60ccir601_avs6eyes,
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,
648 .init = &avs6eyes_init,
656 /* software I2C functions */
658 zoran_i2c_getsda (void *data)
660 struct zoran *zr = (struct zoran *) data;
662 return (btread(ZR36057_I2CBR) >> 1) & 1;
666 zoran_i2c_getscl (void *data)
668 struct zoran *zr = (struct zoran *) data;
670 return btread(ZR36057_I2CBR) & 1;
674 zoran_i2c_setsda (void *data,
677 struct zoran *zr = (struct zoran *) data;
683 btwrite(zr->i2cbr, ZR36057_I2CBR);
687 zoran_i2c_setscl (void *data,
690 struct zoran *zr = (struct zoran *) data;
696 btwrite(zr->i2cbr, ZR36057_I2CBR);
699 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
700 .setsda = zoran_i2c_setsda,
701 .setscl = zoran_i2c_setscl,
702 .getsda = zoran_i2c_getsda,
703 .getscl = zoran_i2c_getscl,
709 zoran_register_i2c (struct zoran *zr)
711 memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
712 sizeof(struct i2c_algo_bit_data));
713 zr->i2c_algo.data = zr;
714 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
715 sizeof(zr->i2c_adapter.name));
716 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
717 zr->i2c_adapter.algo_data = &zr->i2c_algo;
718 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
719 return i2c_bit_add_bus(&zr->i2c_adapter);
723 zoran_unregister_i2c (struct zoran *zr)
725 i2c_del_adapter(&zr->i2c_adapter);
728 /* Check a zoran_params struct for correctness, insert default params */
731 zoran_check_jpg_settings (struct zoran *zr,
732 struct zoran_jpg_settings *settings,
735 int err = 0, err0 = 0;
739 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
740 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
741 settings->VerDcm, settings->TmpDcm);
744 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
745 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
746 settings->img_width, settings->img_height);
747 /* Check decimation, set default values for decimation = 1, 2, 4 */
748 switch (settings->decimation) {
751 settings->HorDcm = 1;
752 settings->VerDcm = 1;
753 settings->TmpDcm = 1;
754 settings->field_per_buff = 2;
757 settings->img_width = BUZ_MAX_WIDTH;
758 settings->img_height = BUZ_MAX_HEIGHT / 2;
762 settings->HorDcm = 2;
763 settings->VerDcm = 1;
764 settings->TmpDcm = 2;
765 settings->field_per_buff = 1;
766 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
768 settings->img_width =
769 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
770 settings->img_height = BUZ_MAX_HEIGHT / 2;
774 if (zr->card.type == DC10_new) {
777 "%s: %s - HDec by 4 is not supported on the DC10\n",
778 ZR_DEVNAME(zr), __func__);
783 settings->HorDcm = 4;
784 settings->VerDcm = 2;
785 settings->TmpDcm = 2;
786 settings->field_per_buff = 1;
787 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
789 settings->img_width =
790 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
791 settings->img_height = BUZ_MAX_HEIGHT / 2;
795 /* We have to check the data the user has set */
797 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
798 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
799 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
802 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
803 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
806 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
807 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
810 if (settings->field_per_buff != 1 &&
811 settings->field_per_buff != 2) {
812 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
815 if (settings->img_x < 0) {
819 if (settings->img_y < 0) {
823 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
824 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
827 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
828 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
831 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
832 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
835 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
836 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
839 if (settings->img_width % (16 * settings->HorDcm) != 0) {
840 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
841 if (settings->img_width == 0)
842 settings->img_width = 16 * settings->HorDcm;
845 if (settings->img_height % (8 * settings->VerDcm) != 0) {
846 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
847 if (settings->img_height == 0)
848 settings->img_height = 8 * settings->VerDcm;
855 "%s: %s - error in params for decimation = 0\n",
856 ZR_DEVNAME(zr), __func__);
863 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
864 ZR_DEVNAME(zr), __func__, settings->decimation);
869 if (settings->jpg_comp.quality > 100)
870 settings->jpg_comp.quality = 100;
871 if (settings->jpg_comp.quality < 5)
872 settings->jpg_comp.quality = 5;
873 if (settings->jpg_comp.APPn < 0)
874 settings->jpg_comp.APPn = 0;
875 if (settings->jpg_comp.APPn > 15)
876 settings->jpg_comp.APPn = 15;
877 if (settings->jpg_comp.APP_len < 0)
878 settings->jpg_comp.APP_len = 0;
879 if (settings->jpg_comp.APP_len > 60)
880 settings->jpg_comp.APP_len = 60;
881 if (settings->jpg_comp.COM_len < 0)
882 settings->jpg_comp.COM_len = 0;
883 if (settings->jpg_comp.COM_len > 60)
884 settings->jpg_comp.COM_len = 60;
891 zoran_open_init_params (struct zoran *zr)
895 /* User must explicitly set a window */
896 zr->overlay_settings.is_set = 0;
897 zr->overlay_mask = NULL;
898 zr->overlay_active = ZORAN_FREE;
900 zr->v4l_memgrab_active = 0;
901 zr->v4l_overlay_active = 0;
902 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
903 zr->v4l_grab_seq = 0;
904 zr->v4l_settings.width = 192;
905 zr->v4l_settings.height = 144;
906 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
907 zr->v4l_settings.bytesperline =
908 zr->v4l_settings.width *
909 ((zr->v4l_settings.format->depth + 7) / 8);
911 /* DMA ring stuff for V4L */
912 zr->v4l_pend_tail = 0;
913 zr->v4l_pend_head = 0;
914 zr->v4l_sync_tail = 0;
915 zr->v4l_buffers.active = ZORAN_FREE;
916 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
917 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
919 zr->v4l_buffers.allocated = 0;
921 for (i = 0; i < BUZ_MAX_FRAME; i++) {
922 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
924 zr->jpg_buffers.active = ZORAN_FREE;
925 zr->jpg_buffers.allocated = 0;
926 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
927 zr->jpg_settings.decimation = 1;
928 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
929 if (zr->card.type != BUZ)
930 zr->jpg_settings.odd_even = 1;
932 zr->jpg_settings.odd_even = 0;
933 zr->jpg_settings.jpg_comp.APPn = 0;
934 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
935 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
936 sizeof(zr->jpg_settings.jpg_comp.APP_data));
937 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
938 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
939 sizeof(zr->jpg_settings.jpg_comp.COM_data));
940 zr->jpg_settings.jpg_comp.jpeg_markers =
941 V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
942 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
944 dprintk(1, KERN_ERR "%s: %s internal error\n",
945 ZR_DEVNAME(zr), __func__);
947 clear_interrupt_counters(zr);
951 static void __devinit
952 test_interrupts (struct zoran *zr)
957 clear_interrupt_counters(zr);
960 icr = btread(ZR36057_ICR);
961 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
962 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
963 timeout = schedule_timeout(HZ);
964 finish_wait(&zr->test_q, &wait);
965 btwrite(0, ZR36057_ICR);
966 btwrite(0x78000000, ZR36057_ISR);
968 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
970 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
972 if (zr36067_debug > 1)
973 print_interrupts(zr);
974 btwrite(icr, ZR36057_ICR);
978 zr36057_init (struct zoran *zr)
984 "%s: %s - initializing card[%d], zr=%p\n",
985 ZR_DEVNAME(zr), __func__, zr->id, zr);
987 /* default setup of all parameters which will persist between opens */
990 init_waitqueue_head(&zr->v4l_capq);
991 init_waitqueue_head(&zr->jpg_capq);
992 init_waitqueue_head(&zr->test_q);
993 zr->jpg_buffers.allocated = 0;
994 zr->v4l_buffers.allocated = 0;
996 zr->vbuf_base = (void *) vidmem;
1000 zr->vbuf_bytesperline = 0;
1002 /* Avoid nonsense settings from user for default input/norm */
1003 if (default_norm < 0 || default_norm > 2)
1005 if (default_norm == 0) {
1006 zr->norm = V4L2_STD_PAL;
1007 zr->timing = zr->card.tvn[0];
1008 } else if (default_norm == 1) {
1009 zr->norm = V4L2_STD_NTSC;
1010 zr->timing = zr->card.tvn[1];
1012 zr->norm = V4L2_STD_SECAM;
1013 zr->timing = zr->card.tvn[2];
1015 if (zr->timing == NULL) {
1018 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1019 ZR_DEVNAME(zr), __func__);
1020 zr->norm = V4L2_STD_PAL;
1021 zr->timing = zr->card.tvn[0];
1024 if (default_input > zr->card.inputs-1) {
1027 "%s: default_input value %d out of range (0-%d)\n",
1028 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1031 zr->input = default_input;
1033 /* default setup (will be repeated at every open) */
1034 zoran_open_init_params(zr);
1036 /* allocate memory *before* doing anything to the hardware
1037 * in case allocation fails */
1038 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1039 zr->video_dev = video_device_alloc();
1040 if (!zr->stat_com || !zr->video_dev) {
1043 "%s: %s - kmalloc (STAT_COM) failed\n",
1044 ZR_DEVNAME(zr), __func__);
1048 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1049 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1053 * Now add the template and register the device unit.
1055 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1056 zr->video_dev->parent = &zr->pci_dev->dev;
1057 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1058 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1061 video_set_drvdata(zr->video_dev, zr);
1063 zoran_init_hardware(zr);
1064 if (zr36067_debug > 2)
1065 detect_guest_activity(zr);
1066 test_interrupts(zr);
1067 if (!pass_through) {
1068 decoder_call(zr, video, s_stream, 0);
1069 encoder_call(zr, video, s_routing, 2, 0, 0);
1072 zr->zoran_proc = NULL;
1073 zr->initialized = 1;
1077 kfree(zr->stat_com);
1078 kfree(zr->video_dev);
1082 static void __devexit zoran_remove(struct pci_dev *pdev)
1084 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1085 struct zoran *zr = to_zoran(v4l2_dev);
1087 if (!zr->initialized)
1090 /* unregister videocodec bus */
1092 struct videocodec_master *master = zr->codec->master_data;
1094 videocodec_detach(zr->codec);
1098 struct videocodec_master *master = zr->vfe->master_data;
1100 videocodec_detach(zr->vfe);
1104 /* unregister i2c bus */
1105 zoran_unregister_i2c(zr);
1106 /* disable PCI bus-mastering */
1107 zoran_set_pci_master(zr, 0);
1108 /* put chip into reset */
1109 btwrite(0, ZR36057_SPGPPCR);
1110 free_irq(zr->pci_dev->irq, zr);
1111 /* unmap and free memory */
1112 kfree(zr->stat_com);
1113 zoran_proc_cleanup(zr);
1114 iounmap(zr->zr36057_mem);
1115 pci_disable_device(zr->pci_dev);
1116 video_unregister_device(zr->video_dev);
1118 v4l2_device_unregister(&zr->v4l2_dev);
1123 zoran_vdev_release (struct video_device *vdev)
1128 static struct videocodec_master * __devinit
1129 zoran_setup_videocodec (struct zoran *zr,
1132 struct videocodec_master *m = NULL;
1134 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1136 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1137 ZR_DEVNAME(zr), __func__);
1141 /* magic and type are unused for master struct. Makes sense only at
1143 In the past, .type were initialized to the old V4L1 .hardware
1144 value, as VID_HARDWARE_ZR36067
1149 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1150 strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1155 case CODEC_TYPE_ZR36060:
1156 m->readreg = zr36060_read;
1157 m->writereg = zr36060_write;
1158 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1160 case CODEC_TYPE_ZR36050:
1161 m->readreg = zr36050_read;
1162 m->writereg = zr36050_write;
1163 m->flags |= CODEC_FLAG_JPEG;
1165 case CODEC_TYPE_ZR36016:
1166 m->readreg = zr36016_read;
1167 m->writereg = zr36016_write;
1168 m->flags |= CODEC_FLAG_VFE;
1175 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1177 struct zoran *zr = to_zoran(sd->v4l2_dev);
1179 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1180 LML33 card uses GPIO(7) for that. */
1181 if (cmd == BT819_FIFO_RESET_LOW)
1183 else if (cmd == BT819_FIFO_RESET_HIGH)
1188 * Scan for a Buz card (actually for the PCI controller ZR36057),
1189 * request the irq and map the io memory
1191 static int __devinit zoran_probe(struct pci_dev *pdev,
1192 const struct pci_device_id *ent)
1194 unsigned char latency, need_latency;
1197 struct videocodec_master *master_vfe = NULL;
1198 struct videocodec_master *master_codec = NULL;
1200 char *codec_name, *vfe_name;
1205 if (nr >= BUZ_MAX) {
1206 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1207 ZORAN_NAME, BUZ_MAX);
1211 zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1213 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1214 ZORAN_NAME, __func__);
1217 zr->v4l2_dev.notify = zoran_subdev_notify;
1218 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1222 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1223 spin_lock_init(&zr->spinlock);
1224 mutex_init(&zr->resource_lock);
1225 mutex_init(&zr->other_lock);
1226 if (pci_enable_device(pdev))
1228 zr->revision = zr->pci_dev->revision;
1232 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1233 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1234 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1235 if (zr->revision >= 2) {
1238 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1239 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1240 zr->pci_dev->subsystem_device);
1243 /* Use auto-detected card type? */
1244 if (card[nr] == -1) {
1245 if (zr->revision < 2) {
1248 "%s: No card type specified, please use the card=X module parameter\n",
1252 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1257 card_num = ent->driver_data;
1258 if (card_num >= NUM_CARDS) {
1261 "%s: Unknown card, try specifying card=X module parameter\n",
1267 "%s: %s() - card %s detected\n",
1268 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1270 card_num = card[nr];
1271 if (card_num >= NUM_CARDS || card_num < 0) {
1274 "%s: User specified card type %d out of range (0 .. %d)\n",
1275 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1280 /* even though we make this a non pointer and thus
1281 * theoretically allow for making changes to this struct
1282 * on a per-individual card basis at runtime, this is
1283 * strongly discouraged. This structure is intended to
1284 * keep general card information, no settings or anything */
1285 zr->card = zoran_cards[card_num];
1286 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1287 "%s[%u]", zr->card.name, zr->id);
1289 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1290 if (!zr->zr36057_mem) {
1291 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1292 ZR_DEVNAME(zr), __func__);
1296 result = request_irq(zr->pci_dev->irq, zoran_irq,
1297 IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1299 if (result == -EINVAL) {
1302 "%s: %s - bad irq number or handler\n",
1303 ZR_DEVNAME(zr), __func__);
1304 } else if (result == -EBUSY) {
1307 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1308 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1312 "%s: %s - can't assign irq, error code %d\n",
1313 ZR_DEVNAME(zr), __func__, result);
1318 /* set PCI latency timer */
1319 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1321 need_latency = zr->revision > 1 ? 32 : 48;
1322 if (latency != need_latency) {
1323 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1324 ZR_DEVNAME(zr), latency, need_latency);
1325 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1329 zr36057_restart(zr);
1331 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1334 if (zoran_register_i2c(zr) < 0) {
1335 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1336 ZR_DEVNAME(zr), __func__);
1340 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1341 &zr->i2c_adapter, zr->card.i2c_decoder,
1342 0, zr->card.addrs_decoder);
1344 if (zr->card.i2c_encoder)
1345 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1346 &zr->i2c_adapter, zr->card.i2c_encoder,
1347 0, zr->card.addrs_encoder);
1350 KERN_INFO "%s: Initializing videocodec bus...\n",
1353 if (zr->card.video_codec) {
1354 codec_name = codecid_to_modulename(zr->card.video_codec);
1356 result = request_module(codec_name);
1360 "%s: failed to load modules %s: %d\n",
1361 ZR_DEVNAME(zr), codec_name, result);
1365 if (zr->card.video_vfe) {
1366 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1368 result = request_module(vfe_name);
1372 "%s: failed to load modules %s: %d\n",
1373 ZR_DEVNAME(zr), vfe_name, result);
1378 /* reset JPEG codec */
1379 jpeg_codec_sleep(zr, 1);
1380 jpeg_codec_reset(zr);
1381 /* video bus enabled */
1382 /* display codec revision */
1383 if (zr->card.video_codec != 0) {
1384 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1387 zr->codec = videocodec_attach(master_codec);
1389 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1390 ZR_DEVNAME(zr), __func__);
1393 if (zr->codec->type != zr->card.video_codec) {
1394 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1395 ZR_DEVNAME(zr), __func__);
1396 goto zr_detach_codec;
1399 if (zr->card.video_vfe != 0) {
1400 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1402 goto zr_detach_codec;
1403 zr->vfe = videocodec_attach(master_vfe);
1405 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1406 ZR_DEVNAME(zr), __func__);
1409 if (zr->vfe->type != zr->card.video_vfe) {
1410 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1411 ZR_DEVNAME(zr), __func__);
1416 /* take care of Natoma chipset and a revision 1 zr36057 */
1417 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1418 zr->jpg_buffers.need_contiguous = 1;
1419 dprintk(1, KERN_INFO
1420 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1424 if (zr36057_init(zr) < 0)
1427 zoran_proc_init(zr);
1432 videocodec_detach(zr->vfe);
1436 videocodec_detach(zr->codec);
1438 kfree(master_codec);
1440 zoran_unregister_i2c(zr);
1442 btwrite(0, ZR36057_SPGPPCR);
1443 free_irq(zr->pci_dev->irq, zr);
1445 iounmap(zr->zr36057_mem);
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 = __devexit_p(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);