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 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
127 MODULE_AUTHOR("Serguei Miridonov");
128 MODULE_LICENSE("GPL");
130 #define ZR_DEVICE(subven, subdev, data) { \
131 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
132 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
134 static struct pci_device_id zr36067_pci_tbl[] = {
135 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
136 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
137 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
138 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
139 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
142 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
144 static unsigned int zoran_num; /* number of cards found */
146 /* videocodec bus functions ZR36060 */
148 zr36060_read (struct videocodec *codec,
151 struct zoran *zr = (struct zoran *) codec->master_data->data;
154 if (post_office_wait(zr)
155 || post_office_write(zr, 0, 1, reg >> 8)
156 || post_office_write(zr, 0, 2, reg & 0xff)) {
160 data = post_office_read(zr, 0, 3) & 0xff;
165 zr36060_write (struct videocodec *codec,
169 struct zoran *zr = (struct zoran *) codec->master_data->data;
171 if (post_office_wait(zr)
172 || post_office_write(zr, 0, 1, reg >> 8)
173 || post_office_write(zr, 0, 2, reg & 0xff)) {
177 post_office_write(zr, 0, 3, val & 0xff);
180 /* videocodec bus functions ZR36050 */
182 zr36050_read (struct videocodec *codec,
185 struct zoran *zr = (struct zoran *) codec->master_data->data;
188 if (post_office_wait(zr)
189 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
193 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
198 zr36050_write (struct videocodec *codec,
202 struct zoran *zr = (struct zoran *) codec->master_data->data;
204 if (post_office_wait(zr)
205 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
209 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
212 /* videocodec bus functions ZR36016 */
214 zr36016_read (struct videocodec *codec,
217 struct zoran *zr = (struct zoran *) codec->master_data->data;
220 if (post_office_wait(zr)) {
224 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
228 /* hack for in zoran_device.c */
230 zr36016_write (struct videocodec *codec,
234 struct zoran *zr = (struct zoran *) codec->master_data->data;
236 if (post_office_wait(zr)) {
240 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
244 * Board specific information
248 dc10_init (struct zoran *zr)
250 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
252 /* Pixel clock selection */
255 /* Enable the video bus sync signals */
260 dc10plus_init (struct zoran *zr)
262 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
266 buz_init (struct zoran *zr)
268 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
270 /* some stuff from Iomega */
271 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
272 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
273 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
277 lml33_init (struct zoran *zr)
279 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
281 GPIO(zr, 2, 1); // Set Composite input/output
285 avs6eyes_init (struct zoran *zr)
287 // AverMedia 6-Eyes original driver by Christer Weinigel
289 // Lifted straight from Christer's old driver and
290 // modified slightly by Martin Samuelsson.
292 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
294 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
297 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
298 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
299 GPIO(zr, 2, mux & 1); /* MUX S0 */
300 GPIO(zr, 3, 0); /* /FRAME on */
301 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
302 GPIO(zr, 5, mux & 2); /* MUX S1 */
303 GPIO(zr, 6, 0); /* ? */
304 GPIO(zr, 7, mux & 4); /* MUX S2 */
309 codecid_to_modulename (u16 codecid)
314 case CODEC_TYPE_ZR36060:
317 case CODEC_TYPE_ZR36050:
320 case CODEC_TYPE_ZR36016:
329 // u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
332 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
333 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
334 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
335 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
337 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
338 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
340 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
341 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
342 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
344 /* FIXME: I cannot swap U and V in saa7114, so i do one
345 * pixel left shift in zoran (75 -> 74)
346 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
347 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
348 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
350 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
351 * copy Maxim's left shift hack for the 6 Eyes.
353 * Christer's driver used the unshifted norms, though...
355 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
356 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
358 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
359 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
360 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
361 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
362 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
363 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
364 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
365 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
366 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
367 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
369 static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
373 .i2c_decoder = "vpx3220a",
374 .addrs_decoder = vpx3220_addrs,
375 .video_codec = CODEC_TYPE_ZR36050,
376 .video_vfe = CODEC_TYPE_ZR36016,
382 { 0, "Internal/comp" }
384 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
391 .vsync_int = ZR36057_ISR_GIRQ1,
392 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
393 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
395 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
396 .gws_not_connected = 0,
402 .i2c_decoder = "saa7110",
403 .addrs_decoder = saa7110_addrs,
404 .i2c_encoder = "adv7175",
405 .addrs_encoder = adv717x_addrs,
406 .video_codec = CODEC_TYPE_ZR36060,
412 { 5, "Internal/comp" }
414 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
419 .jpeg_int = ZR36057_ISR_GIRQ0,
420 .vsync_int = ZR36057_ISR_GIRQ1,
421 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
422 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
424 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
425 .gws_not_connected = 0,
427 .init = &dc10plus_init,
431 .i2c_decoder = "saa7110",
432 .addrs_decoder = saa7110_addrs,
433 .i2c_encoder = "adv7175",
434 .addrs_encoder = adv717x_addrs,
435 .video_codec = CODEC_TYPE_ZR36060,
441 { 5, "Internal/comp" }
443 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
449 .jpeg_int = ZR36057_ISR_GIRQ0,
450 .vsync_int = ZR36057_ISR_GIRQ1,
451 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
452 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
454 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
455 .gws_not_connected = 0,
457 .init = &dc10plus_init,
461 .i2c_decoder = "vpx3220a",
462 .addrs_decoder = vpx3220_addrs,
463 .i2c_encoder = "adv7175",
464 .addrs_encoder = adv717x_addrs,
465 .video_codec = CODEC_TYPE_ZR36050,
466 .video_vfe = CODEC_TYPE_ZR36016,
472 { 0, "Internal/comp" }
474 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
481 .vsync_int = ZR36057_ISR_GIRQ1,
482 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
483 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
485 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
486 .gws_not_connected = 0,
492 .i2c_decoder = "vpx3220a",
493 .addrs_decoder = vpx3220_addrs,
494 .i2c_encoder = "adv7175",
495 .addrs_encoder = adv717x_addrs,
496 .video_codec = CODEC_TYPE_ZR36050,
497 .video_vfe = CODEC_TYPE_ZR36016,
503 { 0, "Internal/comp" }
505 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
512 .vsync_int = ZR36057_ISR_GIRQ1,
513 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
514 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
516 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
517 .gws_not_connected = 0,
523 .i2c_decoder = "bt819a",
524 .addrs_decoder = bt819_addrs,
525 .i2c_encoder = "bt856",
526 .addrs_encoder = bt856_addrs,
527 .video_codec = CODEC_TYPE_ZR36060,
534 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
540 .jpeg_int = ZR36057_ISR_GIRQ1,
541 .vsync_int = ZR36057_ISR_GIRQ0,
542 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
543 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
545 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
546 .gws_not_connected = 1,
552 .i2c_decoder = "saa7114",
553 .addrs_decoder = saa7114_addrs,
554 .i2c_encoder = "adv7170",
555 .addrs_encoder = adv717x_addrs,
556 .video_codec = CODEC_TYPE_ZR36060,
563 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
569 .jpeg_int = ZR36057_ISR_GIRQ1,
570 .vsync_int = ZR36057_ISR_GIRQ0,
571 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
572 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
574 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
575 .gws_not_connected = 1,
581 .i2c_decoder = "saa7111",
582 .addrs_decoder = saa7111_addrs,
583 .i2c_encoder = "saa7185",
584 .addrs_encoder = saa7185_addrs,
585 .video_codec = CODEC_TYPE_ZR36060,
592 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
598 .jpeg_int = ZR36057_ISR_GIRQ1,
599 .vsync_int = ZR36057_ISR_GIRQ0,
600 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
601 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
603 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
604 .gws_not_connected = 1,
610 /* AverMedia chose not to brand the 6-Eyes. Thus it
611 can't be autodetected, and requires card=x. */
612 .i2c_decoder = "ks0127",
613 .addrs_decoder = ks0127_addrs,
614 .i2c_encoder = "bt866",
615 .addrs_encoder = bt866_addrs,
616 .video_codec = CODEC_TYPE_ZR36060,
620 { 0, "Composite 1" },
621 { 1, "Composite 2" },
622 { 2, "Composite 3" },
623 { 4, "Composite 4" },
624 { 5, "Composite 5" },
625 { 6, "Composite 6" },
631 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
633 &f50ccir601_avs6eyes,
634 &f60ccir601_avs6eyes,
637 .jpeg_int = ZR36057_ISR_GIRQ1,
638 .vsync_int = ZR36057_ISR_GIRQ0,
639 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
640 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
641 .gpcs = { 3, 1 }, // Validity unknown /Sam
642 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
643 .gws_not_connected = 1,
645 .init = &avs6eyes_init,
653 /* software I2C functions */
655 zoran_i2c_getsda (void *data)
657 struct zoran *zr = (struct zoran *) data;
659 return (btread(ZR36057_I2CBR) >> 1) & 1;
663 zoran_i2c_getscl (void *data)
665 struct zoran *zr = (struct zoran *) data;
667 return btread(ZR36057_I2CBR) & 1;
671 zoran_i2c_setsda (void *data,
674 struct zoran *zr = (struct zoran *) data;
680 btwrite(zr->i2cbr, ZR36057_I2CBR);
684 zoran_i2c_setscl (void *data,
687 struct zoran *zr = (struct zoran *) data;
693 btwrite(zr->i2cbr, ZR36057_I2CBR);
696 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
697 .setsda = zoran_i2c_setsda,
698 .setscl = zoran_i2c_setscl,
699 .getsda = zoran_i2c_getsda,
700 .getscl = zoran_i2c_getscl,
706 zoran_register_i2c (struct zoran *zr)
708 memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
709 sizeof(struct i2c_algo_bit_data));
710 zr->i2c_algo.data = zr;
711 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
712 sizeof(zr->i2c_adapter.name));
713 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
714 zr->i2c_adapter.algo_data = &zr->i2c_algo;
715 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
716 return i2c_bit_add_bus(&zr->i2c_adapter);
720 zoran_unregister_i2c (struct zoran *zr)
722 i2c_del_adapter(&zr->i2c_adapter);
725 /* Check a zoran_params struct for correctness, insert default params */
728 zoran_check_jpg_settings (struct zoran *zr,
729 struct zoran_jpg_settings *settings,
732 int err = 0, err0 = 0;
736 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
737 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
738 settings->VerDcm, settings->TmpDcm);
741 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
742 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
743 settings->img_width, settings->img_height);
744 /* Check decimation, set default values for decimation = 1, 2, 4 */
745 switch (settings->decimation) {
748 settings->HorDcm = 1;
749 settings->VerDcm = 1;
750 settings->TmpDcm = 1;
751 settings->field_per_buff = 2;
754 settings->img_width = BUZ_MAX_WIDTH;
755 settings->img_height = BUZ_MAX_HEIGHT / 2;
759 settings->HorDcm = 2;
760 settings->VerDcm = 1;
761 settings->TmpDcm = 2;
762 settings->field_per_buff = 1;
763 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
765 settings->img_width =
766 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
767 settings->img_height = BUZ_MAX_HEIGHT / 2;
771 if (zr->card.type == DC10_new) {
774 "%s: %s - HDec by 4 is not supported on the DC10\n",
775 ZR_DEVNAME(zr), __func__);
780 settings->HorDcm = 4;
781 settings->VerDcm = 2;
782 settings->TmpDcm = 2;
783 settings->field_per_buff = 1;
784 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
786 settings->img_width =
787 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
788 settings->img_height = BUZ_MAX_HEIGHT / 2;
792 /* We have to check the data the user has set */
794 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
795 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
796 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
799 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
800 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
803 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
804 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
807 if (settings->field_per_buff != 1 &&
808 settings->field_per_buff != 2) {
809 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
812 if (settings->img_x < 0) {
816 if (settings->img_y < 0) {
820 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
821 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
824 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
825 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
828 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
829 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
832 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
833 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
836 if (settings->img_width % (16 * settings->HorDcm) != 0) {
837 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
838 if (settings->img_width == 0)
839 settings->img_width = 16 * settings->HorDcm;
842 if (settings->img_height % (8 * settings->VerDcm) != 0) {
843 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
844 if (settings->img_height == 0)
845 settings->img_height = 8 * settings->VerDcm;
852 "%s: %s - error in params for decimation = 0\n",
853 ZR_DEVNAME(zr), __func__);
860 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
861 ZR_DEVNAME(zr), __func__, settings->decimation);
866 if (settings->jpg_comp.quality > 100)
867 settings->jpg_comp.quality = 100;
868 if (settings->jpg_comp.quality < 5)
869 settings->jpg_comp.quality = 5;
870 if (settings->jpg_comp.APPn < 0)
871 settings->jpg_comp.APPn = 0;
872 if (settings->jpg_comp.APPn > 15)
873 settings->jpg_comp.APPn = 15;
874 if (settings->jpg_comp.APP_len < 0)
875 settings->jpg_comp.APP_len = 0;
876 if (settings->jpg_comp.APP_len > 60)
877 settings->jpg_comp.APP_len = 60;
878 if (settings->jpg_comp.COM_len < 0)
879 settings->jpg_comp.COM_len = 0;
880 if (settings->jpg_comp.COM_len > 60)
881 settings->jpg_comp.COM_len = 60;
888 zoran_open_init_params (struct zoran *zr)
892 /* User must explicitly set a window */
893 zr->overlay_settings.is_set = 0;
894 zr->overlay_mask = NULL;
895 zr->overlay_active = ZORAN_FREE;
897 zr->v4l_memgrab_active = 0;
898 zr->v4l_overlay_active = 0;
899 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
900 zr->v4l_grab_seq = 0;
901 zr->v4l_settings.width = 192;
902 zr->v4l_settings.height = 144;
903 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
904 zr->v4l_settings.bytesperline =
905 zr->v4l_settings.width *
906 ((zr->v4l_settings.format->depth + 7) / 8);
908 /* DMA ring stuff for V4L */
909 zr->v4l_pend_tail = 0;
910 zr->v4l_pend_head = 0;
911 zr->v4l_sync_tail = 0;
912 zr->v4l_buffers.active = ZORAN_FREE;
913 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
914 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
916 zr->v4l_buffers.allocated = 0;
918 for (i = 0; i < BUZ_MAX_FRAME; i++) {
919 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
921 zr->jpg_buffers.active = ZORAN_FREE;
922 zr->jpg_buffers.allocated = 0;
923 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
924 zr->jpg_settings.decimation = 1;
925 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
926 if (zr->card.type != BUZ)
927 zr->jpg_settings.odd_even = 1;
929 zr->jpg_settings.odd_even = 0;
930 zr->jpg_settings.jpg_comp.APPn = 0;
931 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
932 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
933 sizeof(zr->jpg_settings.jpg_comp.APP_data));
934 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
935 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
936 sizeof(zr->jpg_settings.jpg_comp.COM_data));
937 zr->jpg_settings.jpg_comp.jpeg_markers =
938 V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
939 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
941 dprintk(1, KERN_ERR "%s: %s internal error\n",
942 ZR_DEVNAME(zr), __func__);
944 clear_interrupt_counters(zr);
948 static void __devinit
949 test_interrupts (struct zoran *zr)
954 clear_interrupt_counters(zr);
957 icr = btread(ZR36057_ICR);
958 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
959 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
960 timeout = schedule_timeout(HZ);
961 finish_wait(&zr->test_q, &wait);
962 btwrite(0, ZR36057_ICR);
963 btwrite(0x78000000, ZR36057_ISR);
965 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
967 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
969 if (zr36067_debug > 1)
970 print_interrupts(zr);
971 btwrite(icr, ZR36057_ICR);
975 zr36057_init (struct zoran *zr)
981 "%s: %s - initializing card[%d], zr=%p\n",
982 ZR_DEVNAME(zr), __func__, zr->id, zr);
984 /* default setup of all parameters which will persist between opens */
987 init_waitqueue_head(&zr->v4l_capq);
988 init_waitqueue_head(&zr->jpg_capq);
989 init_waitqueue_head(&zr->test_q);
990 zr->jpg_buffers.allocated = 0;
991 zr->v4l_buffers.allocated = 0;
993 zr->vbuf_base = (void *) vidmem;
997 zr->vbuf_bytesperline = 0;
999 /* Avoid nonsense settings from user for default input/norm */
1000 if (default_norm < 0 || default_norm > 2)
1002 if (default_norm == 0) {
1003 zr->norm = V4L2_STD_PAL;
1004 zr->timing = zr->card.tvn[0];
1005 } else if (default_norm == 1) {
1006 zr->norm = V4L2_STD_NTSC;
1007 zr->timing = zr->card.tvn[1];
1009 zr->norm = V4L2_STD_SECAM;
1010 zr->timing = zr->card.tvn[2];
1012 if (zr->timing == NULL) {
1015 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1016 ZR_DEVNAME(zr), __func__);
1017 zr->norm = V4L2_STD_PAL;
1018 zr->timing = zr->card.tvn[0];
1021 if (default_input > zr->card.inputs-1) {
1024 "%s: default_input value %d out of range (0-%d)\n",
1025 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1028 zr->input = default_input;
1030 /* default setup (will be repeated at every open) */
1031 zoran_open_init_params(zr);
1033 /* allocate memory *before* doing anything to the hardware
1034 * in case allocation fails */
1035 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1036 zr->video_dev = video_device_alloc();
1037 if (!zr->stat_com || !zr->video_dev) {
1040 "%s: %s - kmalloc (STAT_COM) failed\n",
1041 ZR_DEVNAME(zr), __func__);
1045 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1046 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1050 * Now add the template and register the device unit.
1052 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1053 zr->video_dev->parent = &zr->pci_dev->dev;
1054 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1055 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1058 video_set_drvdata(zr->video_dev, zr);
1060 zoran_init_hardware(zr);
1061 if (zr36067_debug > 2)
1062 detect_guest_activity(zr);
1063 test_interrupts(zr);
1064 if (!pass_through) {
1065 decoder_call(zr, video, s_stream, 0);
1066 encoder_call(zr, video, s_routing, 2, 0, 0);
1069 zr->zoran_proc = NULL;
1070 zr->initialized = 1;
1074 kfree(zr->stat_com);
1075 kfree(zr->video_dev);
1079 static void __devexit zoran_remove(struct pci_dev *pdev)
1081 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1082 struct zoran *zr = to_zoran(v4l2_dev);
1084 if (!zr->initialized)
1087 /* unregister videocodec bus */
1089 struct videocodec_master *master = zr->codec->master_data;
1091 videocodec_detach(zr->codec);
1095 struct videocodec_master *master = zr->vfe->master_data;
1097 videocodec_detach(zr->vfe);
1101 /* unregister i2c bus */
1102 zoran_unregister_i2c(zr);
1103 /* disable PCI bus-mastering */
1104 zoran_set_pci_master(zr, 0);
1105 /* put chip into reset */
1106 btwrite(0, ZR36057_SPGPPCR);
1107 free_irq(zr->pci_dev->irq, zr);
1108 /* unmap and free memory */
1109 kfree(zr->stat_com);
1110 zoran_proc_cleanup(zr);
1111 iounmap(zr->zr36057_mem);
1112 pci_disable_device(zr->pci_dev);
1113 video_unregister_device(zr->video_dev);
1115 v4l2_device_unregister(&zr->v4l2_dev);
1120 zoran_vdev_release (struct video_device *vdev)
1125 static struct videocodec_master * __devinit
1126 zoran_setup_videocodec (struct zoran *zr,
1129 struct videocodec_master *m = NULL;
1131 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1133 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1134 ZR_DEVNAME(zr), __func__);
1138 /* magic and type are unused for master struct. Makes sense only at
1140 In the past, .type were initialized to the old V4L1 .hardware
1141 value, as VID_HARDWARE_ZR36067
1146 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1147 strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1152 case CODEC_TYPE_ZR36060:
1153 m->readreg = zr36060_read;
1154 m->writereg = zr36060_write;
1155 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1157 case CODEC_TYPE_ZR36050:
1158 m->readreg = zr36050_read;
1159 m->writereg = zr36050_write;
1160 m->flags |= CODEC_FLAG_JPEG;
1162 case CODEC_TYPE_ZR36016:
1163 m->readreg = zr36016_read;
1164 m->writereg = zr36016_write;
1165 m->flags |= CODEC_FLAG_VFE;
1172 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1174 struct zoran *zr = to_zoran(sd->v4l2_dev);
1176 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1177 LML33 card uses GPIO(7) for that. */
1178 if (cmd == BT819_FIFO_RESET_LOW)
1180 else if (cmd == BT819_FIFO_RESET_HIGH)
1185 * Scan for a Buz card (actually for the PCI controller ZR36057),
1186 * request the irq and map the io memory
1188 static int __devinit zoran_probe(struct pci_dev *pdev,
1189 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 spin_lock_init(&zr->spinlock);
1221 mutex_init(&zr->resource_lock);
1222 mutex_init(&zr->other_lock);
1223 if (pci_enable_device(pdev))
1225 zr->revision = zr->pci_dev->revision;
1229 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1230 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1231 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1232 if (zr->revision >= 2) {
1235 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1236 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1237 zr->pci_dev->subsystem_device);
1240 /* Use auto-detected card type? */
1241 if (card[nr] == -1) {
1242 if (zr->revision < 2) {
1245 "%s: No card type specified, please use the card=X module parameter\n",
1249 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1254 card_num = ent->driver_data;
1255 if (card_num >= NUM_CARDS) {
1258 "%s: Unknown card, try specifying card=X module parameter\n",
1264 "%s: %s() - card %s detected\n",
1265 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1267 card_num = card[nr];
1268 if (card_num >= NUM_CARDS || card_num < 0) {
1271 "%s: User specified card type %d out of range (0 .. %d)\n",
1272 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1277 /* even though we make this a non pointer and thus
1278 * theoretically allow for making changes to this struct
1279 * on a per-individual card basis at runtime, this is
1280 * strongly discouraged. This structure is intended to
1281 * keep general card information, no settings or anything */
1282 zr->card = zoran_cards[card_num];
1283 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1284 "%s[%u]", zr->card.name, zr->id);
1286 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1287 if (!zr->zr36057_mem) {
1288 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1289 ZR_DEVNAME(zr), __func__);
1293 result = request_irq(zr->pci_dev->irq, zoran_irq,
1294 IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1296 if (result == -EINVAL) {
1299 "%s: %s - bad irq number or handler\n",
1300 ZR_DEVNAME(zr), __func__);
1301 } else if (result == -EBUSY) {
1304 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1305 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1309 "%s: %s - can't assign irq, error code %d\n",
1310 ZR_DEVNAME(zr), __func__, result);
1315 /* set PCI latency timer */
1316 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1318 need_latency = zr->revision > 1 ? 32 : 48;
1319 if (latency != need_latency) {
1320 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1321 ZR_DEVNAME(zr), latency, need_latency);
1322 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1326 zr36057_restart(zr);
1328 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1331 if (zoran_register_i2c(zr) < 0) {
1332 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1333 ZR_DEVNAME(zr), __func__);
1337 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1338 &zr->i2c_adapter, zr->card.i2c_decoder,
1339 0, zr->card.addrs_decoder);
1341 if (zr->card.i2c_encoder)
1342 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1343 &zr->i2c_adapter, zr->card.i2c_encoder,
1344 0, zr->card.addrs_encoder);
1347 KERN_INFO "%s: Initializing videocodec bus...\n",
1350 if (zr->card.video_codec) {
1351 codec_name = codecid_to_modulename(zr->card.video_codec);
1353 result = request_module(codec_name);
1357 "%s: failed to load modules %s: %d\n",
1358 ZR_DEVNAME(zr), codec_name, result);
1362 if (zr->card.video_vfe) {
1363 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1365 result = request_module(vfe_name);
1369 "%s: failed to load modules %s: %d\n",
1370 ZR_DEVNAME(zr), vfe_name, result);
1375 /* reset JPEG codec */
1376 jpeg_codec_sleep(zr, 1);
1377 jpeg_codec_reset(zr);
1378 /* video bus enabled */
1379 /* display codec revision */
1380 if (zr->card.video_codec != 0) {
1381 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1384 zr->codec = videocodec_attach(master_codec);
1386 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1387 ZR_DEVNAME(zr), __func__);
1390 if (zr->codec->type != zr->card.video_codec) {
1391 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1392 ZR_DEVNAME(zr), __func__);
1393 goto zr_detach_codec;
1396 if (zr->card.video_vfe != 0) {
1397 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1399 goto zr_detach_codec;
1400 zr->vfe = videocodec_attach(master_vfe);
1402 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1403 ZR_DEVNAME(zr), __func__);
1406 if (zr->vfe->type != zr->card.video_vfe) {
1407 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1408 ZR_DEVNAME(zr), __func__);
1413 /* take care of Natoma chipset and a revision 1 zr36057 */
1414 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1415 zr->jpg_buffers.need_contiguous = 1;
1416 dprintk(1, KERN_INFO
1417 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1421 if (zr36057_init(zr) < 0)
1424 zoran_proc_init(zr);
1429 videocodec_detach(zr->vfe);
1433 videocodec_detach(zr->codec);
1435 kfree(master_codec);
1437 zoran_unregister_i2c(zr);
1439 btwrite(0, ZR36057_SPGPPCR);
1440 free_irq(zr->pci_dev->irq, zr);
1442 iounmap(zr->zr36057_mem);
1444 v4l2_device_unregister(&zr->v4l2_dev);
1451 static struct pci_driver zoran_driver = {
1453 .id_table = zr36067_pci_tbl,
1454 .probe = zoran_probe,
1455 .remove = __devexit_p(zoran_remove),
1458 static int __init zoran_init(void)
1462 printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n",
1463 MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION);
1465 /* check the parameters we have been given, adjust if necessary */
1468 if (v4l_nbufs > VIDEO_MAX_FRAME)
1469 v4l_nbufs = VIDEO_MAX_FRAME;
1470 /* The user specfies the in KB, we want them in byte
1471 * (and page aligned) */
1472 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1473 if (v4l_bufsize < 32768)
1474 v4l_bufsize = 32768;
1475 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1476 if (v4l_bufsize > 2048 * 1024)
1477 v4l_bufsize = 2048 * 1024;
1480 if (jpg_nbufs > BUZ_MAX_FRAME)
1481 jpg_nbufs = BUZ_MAX_FRAME;
1482 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1483 if (jpg_bufsize < 8192)
1485 if (jpg_bufsize > (512 * 1024))
1486 jpg_bufsize = 512 * 1024;
1487 /* Use parameter for vidmem or try to find a video card */
1491 "%s: Using supplied video memory base address @ 0x%lx\n",
1492 ZORAN_NAME, vidmem);
1495 /* some mainboards might not do PCI-PCI data transfer well */
1496 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1499 "%s: chipset does not support reliable PCI-PCI DMA\n",
1503 res = pci_register_driver(&zoran_driver);
1507 "%s: Unable to register ZR36057 driver\n",
1515 static void __exit zoran_exit(void)
1517 pci_unregister_driver(&zoran_driver);
1520 module_init(zoran_init);
1521 module_exit(zoran_exit);