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");
67 static int encoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
68 module_param_array(encoder, int, NULL, 0444);
69 MODULE_PARM_DESC(encoder, "Video encoder chip");
71 static int decoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
72 module_param_array(decoder, int, NULL, 0444);
73 MODULE_PARM_DESC(decoder, "Video decoder chip");
76 The video mem address of the video card.
77 The driver has a little database for some videocards
78 to determine it from there. If your video card is not in there
79 you have either to give it to the driver as a parameter
80 or set in in a VIDIOCSFBUF ioctl
83 static unsigned long vidmem; /* default = 0 - Video memory base address */
84 module_param(vidmem, ulong, 0444);
85 MODULE_PARM_DESC(vidmem, "Default video memory base address");
88 Default input and video norm at startup of the driver.
91 static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
92 module_param(default_input, uint, 0444);
93 MODULE_PARM_DESC(default_input,
94 "Default input (0=Composite, 1=S-Video, 2=Internal)");
96 static int default_mux = 1; /* 6 Eyes input selection */
97 module_param(default_mux, int, 0644);
98 MODULE_PARM_DESC(default_mux,
99 "Default 6 Eyes mux setting (Input selection)");
101 static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
102 module_param(default_norm, int, 0444);
103 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
105 /* /dev/videoN, -1 for autodetect */
106 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 };
107 module_param_array(video_nr, int, NULL, 0444);
108 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
111 int v4l_bufsize = 864; /* Everybody should be able to work with this setting */
112 module_param(v4l_nbufs, int, 0644);
113 MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use");
114 module_param(v4l_bufsize, int, 0644);
115 MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)");
118 int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */
119 module_param(jpg_nbufs, int, 0644);
120 MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use");
121 module_param(jpg_bufsize, int, 0644);
122 MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)");
124 int pass_through = 0; /* 1=Pass through TV signal when device is not used */
125 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
126 module_param(pass_through, int, 0644);
127 MODULE_PARM_DESC(pass_through,
128 "Pass TV signal through to TV-out when idling");
130 int zr36067_debug = 1;
131 module_param_named(debug, zr36067_debug, int, 0644);
132 MODULE_PARM_DESC(debug, "Debug level (0-5)");
134 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
135 MODULE_AUTHOR("Serguei Miridonov");
136 MODULE_LICENSE("GPL");
138 #define ZR_DEVICE(subven, subdev, data) { \
139 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
140 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
142 static struct pci_device_id zr36067_pci_tbl[] = {
143 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus),
144 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus),
145 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
146 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
147 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
150 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
152 static unsigned int zoran_num; /* number of cards found */
154 /* videocodec bus functions ZR36060 */
156 zr36060_read (struct videocodec *codec,
159 struct zoran *zr = (struct zoran *) codec->master_data->data;
162 if (post_office_wait(zr)
163 || post_office_write(zr, 0, 1, reg >> 8)
164 || post_office_write(zr, 0, 2, reg & 0xff)) {
168 data = post_office_read(zr, 0, 3) & 0xff;
173 zr36060_write (struct videocodec *codec,
177 struct zoran *zr = (struct zoran *) codec->master_data->data;
179 if (post_office_wait(zr)
180 || post_office_write(zr, 0, 1, reg >> 8)
181 || post_office_write(zr, 0, 2, reg & 0xff)) {
185 post_office_write(zr, 0, 3, val & 0xff);
188 /* videocodec bus functions ZR36050 */
190 zr36050_read (struct videocodec *codec,
193 struct zoran *zr = (struct zoran *) codec->master_data->data;
196 if (post_office_wait(zr)
197 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
201 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read
206 zr36050_write (struct videocodec *codec,
210 struct zoran *zr = (struct zoran *) codec->master_data->data;
212 if (post_office_wait(zr)
213 || post_office_write(zr, 1, 0, reg >> 2)) { // reg. HIGHBYTES
217 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data
220 /* videocodec bus functions ZR36016 */
222 zr36016_read (struct videocodec *codec,
225 struct zoran *zr = (struct zoran *) codec->master_data->data;
228 if (post_office_wait(zr)) {
232 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read
236 /* hack for in zoran_device.c */
238 zr36016_write (struct videocodec *codec,
242 struct zoran *zr = (struct zoran *) codec->master_data->data;
244 if (post_office_wait(zr)) {
248 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data
252 * Board specific information
256 dc10_init (struct zoran *zr)
258 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
260 /* Pixel clock selection */
263 /* Enable the video bus sync signals */
268 dc10plus_init (struct zoran *zr)
270 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
274 buz_init (struct zoran *zr)
276 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
278 /* some stuff from Iomega */
279 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15);
280 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020);
281 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000);
285 lml33_init (struct zoran *zr)
287 dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
289 GPIO(zr, 2, 1); // Set Composite input/output
293 avs6eyes_init (struct zoran *zr)
295 // AverMedia 6-Eyes original driver by Christer Weinigel
297 // Lifted straight from Christer's old driver and
298 // modified slightly by Martin Samuelsson.
300 int mux = default_mux; /* 1 = BT866, 7 = VID1 */
302 GPIO(zr, 4, 1); /* Bt866 SLEEP on */
305 GPIO(zr, 0, 1); /* ZR36060 /RESET on */
306 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */
307 GPIO(zr, 2, mux & 1); /* MUX S0 */
308 GPIO(zr, 3, 0); /* /FRAME on */
309 GPIO(zr, 4, 0); /* Bt866 SLEEP off */
310 GPIO(zr, 5, mux & 2); /* MUX S1 */
311 GPIO(zr, 6, 0); /* ? */
312 GPIO(zr, 7, mux & 4); /* MUX S2 */
317 codecid_to_modulename (u16 codecid)
322 case CODEC_TYPE_ZR36060:
325 case CODEC_TYPE_ZR36050:
328 case CODEC_TYPE_ZR36016:
337 // u16 Wt, Wa, HStart, HSyncStart, Ht, Ha, VStart;
340 static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
341 static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
342 static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
343 static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
345 static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 };
346 static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 };
348 /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */
349 static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
350 static struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
352 /* FIXME: I cannot swap U and V in saa7114, so i do one
353 * pixel left shift in zoran (75 -> 74)
354 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) */
355 static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 };
356 static struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56+54, 788, 525, 480, 16 };
358 /* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I
359 * copy Maxim's left shift hack for the 6 Eyes.
361 * Christer's driver used the unshifted norms, though...
363 static struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
364 static struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
366 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
367 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
368 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
369 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
370 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
371 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
372 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
373 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
374 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
375 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
377 static struct card_info zoran_cards[NUM_CARDS] __devinitdata = {
381 .i2c_decoder = "vpx3220a",
382 .addrs_decoder = vpx3220_addrs,
383 .video_codec = CODEC_TYPE_ZR36050,
384 .video_vfe = CODEC_TYPE_ZR36016,
390 { 0, "Internal/comp" }
392 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
399 .vsync_int = ZR36057_ISR_GIRQ1,
400 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
401 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
403 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
404 .gws_not_connected = 0,
410 .i2c_decoder = "saa7110",
411 .addrs_decoder = saa7110_addrs,
412 .i2c_encoder = "adv7175",
413 .addrs_encoder = adv717x_addrs,
414 .video_codec = CODEC_TYPE_ZR36060,
420 { 5, "Internal/comp" }
422 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
427 .jpeg_int = ZR36057_ISR_GIRQ0,
428 .vsync_int = ZR36057_ISR_GIRQ1,
429 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
430 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
432 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
433 .gws_not_connected = 0,
435 .init = &dc10plus_init,
439 .i2c_decoder = "saa7110",
440 .addrs_decoder = saa7110_addrs,
441 .i2c_encoder = "adv7175",
442 .addrs_encoder = adv717x_addrs,
443 .video_codec = CODEC_TYPE_ZR36060,
449 { 5, "Internal/comp" }
451 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
457 .jpeg_int = ZR36057_ISR_GIRQ0,
458 .vsync_int = ZR36057_ISR_GIRQ1,
459 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
460 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
462 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
463 .gws_not_connected = 0,
465 .init = &dc10plus_init,
469 .i2c_decoder = "vpx3220a",
470 .addrs_decoder = vpx3220_addrs,
471 .i2c_encoder = "adv7175",
472 .addrs_encoder = adv717x_addrs,
473 .video_codec = CODEC_TYPE_ZR36050,
474 .video_vfe = CODEC_TYPE_ZR36016,
480 { 0, "Internal/comp" }
482 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
489 .vsync_int = ZR36057_ISR_GIRQ1,
490 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
491 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
493 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
494 .gws_not_connected = 0,
500 .i2c_decoder = "vpx3220a",
501 .addrs_decoder = vpx3220_addrs,
502 .i2c_encoder = "adv7175",
503 .addrs_encoder = adv717x_addrs,
504 .video_codec = CODEC_TYPE_ZR36050,
505 .video_vfe = CODEC_TYPE_ZR36016,
511 { 0, "Internal/comp" }
513 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
520 .vsync_int = ZR36057_ISR_GIRQ1,
521 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
522 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
524 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
525 .gws_not_connected = 0,
531 .i2c_decoder = "bt819a",
532 .addrs_decoder = bt819_addrs,
533 .i2c_encoder = "bt856",
534 .addrs_encoder = bt856_addrs,
535 .video_codec = CODEC_TYPE_ZR36060,
542 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
548 .jpeg_int = ZR36057_ISR_GIRQ1,
549 .vsync_int = ZR36057_ISR_GIRQ0,
550 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
551 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
553 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
554 .gws_not_connected = 1,
560 .i2c_decoder = "saa7114",
561 .addrs_decoder = saa7114_addrs,
562 .i2c_encoder = "adv7170",
563 .addrs_encoder = adv717x_addrs,
564 .video_codec = CODEC_TYPE_ZR36060,
571 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
577 .jpeg_int = ZR36057_ISR_GIRQ1,
578 .vsync_int = ZR36057_ISR_GIRQ0,
579 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
580 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
582 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
583 .gws_not_connected = 1,
589 .i2c_decoder = "saa7111",
590 .addrs_decoder = saa7111_addrs,
591 .i2c_encoder = "saa7185",
592 .addrs_encoder = saa7185_addrs,
593 .video_codec = CODEC_TYPE_ZR36060,
600 .norms = V4L2_STD_NTSC|V4L2_STD_PAL|V4L2_STD_SECAM,
606 .jpeg_int = ZR36057_ISR_GIRQ1,
607 .vsync_int = ZR36057_ISR_GIRQ0,
608 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
609 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
611 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
612 .gws_not_connected = 1,
618 /* AverMedia chose not to brand the 6-Eyes. Thus it
619 can't be autodetected, and requires card=x. */
620 .i2c_decoder = "ks0127",
621 .addrs_decoder = ks0127_addrs,
622 .i2c_encoder = "bt866",
623 .addrs_encoder = bt866_addrs,
624 .video_codec = CODEC_TYPE_ZR36060,
628 { 0, "Composite 1" },
629 { 1, "Composite 2" },
630 { 2, "Composite 3" },
631 { 4, "Composite 4" },
632 { 5, "Composite 5" },
633 { 6, "Composite 6" },
639 .norms = V4L2_STD_NTSC|V4L2_STD_PAL,
641 &f50ccir601_avs6eyes,
642 &f60ccir601_avs6eyes,
645 .jpeg_int = ZR36057_ISR_GIRQ1,
646 .vsync_int = ZR36057_ISR_GIRQ0,
647 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
648 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
649 .gpcs = { 3, 1 }, // Validity unknown /Sam
650 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
651 .gws_not_connected = 1,
653 .init = &avs6eyes_init,
661 /* software I2C functions */
663 zoran_i2c_getsda (void *data)
665 struct zoran *zr = (struct zoran *) data;
667 return (btread(ZR36057_I2CBR) >> 1) & 1;
671 zoran_i2c_getscl (void *data)
673 struct zoran *zr = (struct zoran *) data;
675 return btread(ZR36057_I2CBR) & 1;
679 zoran_i2c_setsda (void *data,
682 struct zoran *zr = (struct zoran *) data;
688 btwrite(zr->i2cbr, ZR36057_I2CBR);
692 zoran_i2c_setscl (void *data,
695 struct zoran *zr = (struct zoran *) data;
701 btwrite(zr->i2cbr, ZR36057_I2CBR);
704 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
705 .setsda = zoran_i2c_setsda,
706 .setscl = zoran_i2c_setscl,
707 .getsda = zoran_i2c_getsda,
708 .getscl = zoran_i2c_getscl,
714 zoran_register_i2c (struct zoran *zr)
716 memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
717 sizeof(struct i2c_algo_bit_data));
718 zr->i2c_algo.data = zr;
719 strlcpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
720 sizeof(zr->i2c_adapter.name));
721 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev);
722 zr->i2c_adapter.algo_data = &zr->i2c_algo;
723 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
724 return i2c_bit_add_bus(&zr->i2c_adapter);
728 zoran_unregister_i2c (struct zoran *zr)
730 i2c_del_adapter(&zr->i2c_adapter);
733 /* Check a zoran_params struct for correctness, insert default params */
736 zoran_check_jpg_settings (struct zoran *zr,
737 struct zoran_jpg_settings *settings,
740 int err = 0, err0 = 0;
744 "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
745 ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm,
746 settings->VerDcm, settings->TmpDcm);
749 "%s: %s - x: %d, y: %d, w: %d, y: %d\n",
750 ZR_DEVNAME(zr), __func__, settings->img_x, settings->img_y,
751 settings->img_width, settings->img_height);
752 /* Check decimation, set default values for decimation = 1, 2, 4 */
753 switch (settings->decimation) {
756 settings->HorDcm = 1;
757 settings->VerDcm = 1;
758 settings->TmpDcm = 1;
759 settings->field_per_buff = 2;
762 settings->img_width = BUZ_MAX_WIDTH;
763 settings->img_height = BUZ_MAX_HEIGHT / 2;
767 settings->HorDcm = 2;
768 settings->VerDcm = 1;
769 settings->TmpDcm = 2;
770 settings->field_per_buff = 1;
771 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
773 settings->img_width =
774 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
775 settings->img_height = BUZ_MAX_HEIGHT / 2;
779 if (zr->card.type == DC10_new) {
782 "%s: %s - HDec by 4 is not supported on the DC10\n",
783 ZR_DEVNAME(zr), __func__);
788 settings->HorDcm = 4;
789 settings->VerDcm = 2;
790 settings->TmpDcm = 2;
791 settings->field_per_buff = 1;
792 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
794 settings->img_width =
795 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
796 settings->img_height = BUZ_MAX_HEIGHT / 2;
800 /* We have to check the data the user has set */
802 if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
803 (zr->card.type == DC10_new || settings->HorDcm != 4)) {
804 settings->HorDcm = clamp(settings->HorDcm, 1, 2);
807 if (settings->VerDcm != 1 && settings->VerDcm != 2) {
808 settings->VerDcm = clamp(settings->VerDcm, 1, 2);
811 if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
812 settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
815 if (settings->field_per_buff != 1 &&
816 settings->field_per_buff != 2) {
817 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
820 if (settings->img_x < 0) {
824 if (settings->img_y < 0) {
828 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
829 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
832 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
833 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
836 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
837 settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
840 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
841 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
844 if (settings->img_width % (16 * settings->HorDcm) != 0) {
845 settings->img_width -= settings->img_width % (16 * settings->HorDcm);
846 if (settings->img_width == 0)
847 settings->img_width = 16 * settings->HorDcm;
850 if (settings->img_height % (8 * settings->VerDcm) != 0) {
851 settings->img_height -= settings->img_height % (8 * settings->VerDcm);
852 if (settings->img_height == 0)
853 settings->img_height = 8 * settings->VerDcm;
860 "%s: %s - error in params for decimation = 0\n",
861 ZR_DEVNAME(zr), __func__);
868 "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n",
869 ZR_DEVNAME(zr), __func__, settings->decimation);
874 if (settings->jpg_comp.quality > 100)
875 settings->jpg_comp.quality = 100;
876 if (settings->jpg_comp.quality < 5)
877 settings->jpg_comp.quality = 5;
878 if (settings->jpg_comp.APPn < 0)
879 settings->jpg_comp.APPn = 0;
880 if (settings->jpg_comp.APPn > 15)
881 settings->jpg_comp.APPn = 15;
882 if (settings->jpg_comp.APP_len < 0)
883 settings->jpg_comp.APP_len = 0;
884 if (settings->jpg_comp.APP_len > 60)
885 settings->jpg_comp.APP_len = 60;
886 if (settings->jpg_comp.COM_len < 0)
887 settings->jpg_comp.COM_len = 0;
888 if (settings->jpg_comp.COM_len > 60)
889 settings->jpg_comp.COM_len = 60;
896 zoran_open_init_params (struct zoran *zr)
900 /* User must explicitly set a window */
901 zr->overlay_settings.is_set = 0;
902 zr->overlay_mask = NULL;
903 zr->overlay_active = ZORAN_FREE;
905 zr->v4l_memgrab_active = 0;
906 zr->v4l_overlay_active = 0;
907 zr->v4l_grab_frame = NO_GRAB_ACTIVE;
908 zr->v4l_grab_seq = 0;
909 zr->v4l_settings.width = 192;
910 zr->v4l_settings.height = 144;
911 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
912 zr->v4l_settings.bytesperline =
913 zr->v4l_settings.width *
914 ((zr->v4l_settings.format->depth + 7) / 8);
916 /* DMA ring stuff for V4L */
917 zr->v4l_pend_tail = 0;
918 zr->v4l_pend_head = 0;
919 zr->v4l_sync_tail = 0;
920 zr->v4l_buffers.active = ZORAN_FREE;
921 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
922 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
924 zr->v4l_buffers.allocated = 0;
926 for (i = 0; i < BUZ_MAX_FRAME; i++) {
927 zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
929 zr->jpg_buffers.active = ZORAN_FREE;
930 zr->jpg_buffers.allocated = 0;
931 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */
932 zr->jpg_settings.decimation = 1;
933 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
934 if (zr->card.type != BUZ)
935 zr->jpg_settings.odd_even = 1;
937 zr->jpg_settings.odd_even = 0;
938 zr->jpg_settings.jpg_comp.APPn = 0;
939 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
940 memset(zr->jpg_settings.jpg_comp.APP_data, 0,
941 sizeof(zr->jpg_settings.jpg_comp.APP_data));
942 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
943 memset(zr->jpg_settings.jpg_comp.COM_data, 0,
944 sizeof(zr->jpg_settings.jpg_comp.COM_data));
945 zr->jpg_settings.jpg_comp.jpeg_markers =
946 JPEG_MARKER_DHT | JPEG_MARKER_DQT;
947 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
949 dprintk(1, KERN_ERR "%s: %s internal error\n",
950 ZR_DEVNAME(zr), __func__);
952 clear_interrupt_counters(zr);
956 static void __devinit
957 test_interrupts (struct zoran *zr)
962 clear_interrupt_counters(zr);
965 icr = btread(ZR36057_ICR);
966 btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR);
967 prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE);
968 timeout = schedule_timeout(HZ);
969 finish_wait(&zr->test_q, &wait);
970 btwrite(0, ZR36057_ICR);
971 btwrite(0x78000000, ZR36057_ISR);
973 dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr));
975 dprintk(1, ": time spent: %d\n", 1 * HZ - timeout);
977 if (zr36067_debug > 1)
978 print_interrupts(zr);
979 btwrite(icr, ZR36057_ICR);
983 zr36057_init (struct zoran *zr)
989 "%s: %s - initializing card[%d], zr=%p\n",
990 ZR_DEVNAME(zr), __func__, zr->id, zr);
992 /* default setup of all parameters which will persist between opens */
995 init_waitqueue_head(&zr->v4l_capq);
996 init_waitqueue_head(&zr->jpg_capq);
997 init_waitqueue_head(&zr->test_q);
998 zr->jpg_buffers.allocated = 0;
999 zr->v4l_buffers.allocated = 0;
1001 zr->vbuf_base = (void *) vidmem;
1003 zr->vbuf_height = 0;
1005 zr->vbuf_bytesperline = 0;
1007 /* Avoid nonsense settings from user for default input/norm */
1008 if (default_norm < 0 || default_norm > 2)
1010 if (default_norm == 0) {
1011 zr->norm = V4L2_STD_PAL;
1012 zr->timing = zr->card.tvn[0];
1013 } else if (default_norm == 1) {
1014 zr->norm = V4L2_STD_NTSC;
1015 zr->timing = zr->card.tvn[1];
1017 zr->norm = V4L2_STD_SECAM;
1018 zr->timing = zr->card.tvn[2];
1020 if (zr->timing == NULL) {
1023 "%s: %s - default TV standard not supported by hardware. PAL will be used.\n",
1024 ZR_DEVNAME(zr), __func__);
1025 zr->norm = V4L2_STD_PAL;
1026 zr->timing = zr->card.tvn[0];
1029 if (default_input > zr->card.inputs-1) {
1032 "%s: default_input value %d out of range (0-%d)\n",
1033 ZR_DEVNAME(zr), default_input, zr->card.inputs-1);
1036 zr->input = default_input;
1038 /* default setup (will be repeated at every open) */
1039 zoran_open_init_params(zr);
1041 /* allocate memory *before* doing anything to the hardware
1042 * in case allocation fails */
1043 zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
1044 zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL);
1045 if (!zr->stat_com || !zr->video_dev) {
1048 "%s: %s - kmalloc (STAT_COM) failed\n",
1049 ZR_DEVNAME(zr), __func__);
1053 for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
1054 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1058 * Now add the template and register the device unit.
1060 memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
1061 zr->video_dev->parent = &zr->pci_dev->dev;
1062 strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
1063 err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]);
1066 video_set_drvdata(zr->video_dev, zr);
1068 zoran_init_hardware(zr);
1069 if (zr36067_debug > 2)
1070 detect_guest_activity(zr);
1071 test_interrupts(zr);
1072 if (!pass_through) {
1073 decoder_call(zr, video, s_stream, 0);
1074 encoder_call(zr, video, s_routing, 2, 0, 0);
1077 zr->zoran_proc = NULL;
1078 zr->initialized = 1;
1082 kfree(zr->stat_com);
1083 kfree(zr->video_dev);
1087 static void __devexit zoran_remove(struct pci_dev *pdev)
1089 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
1090 struct zoran *zr = to_zoran(v4l2_dev);
1092 if (!zr->initialized)
1095 /* unregister videocodec bus */
1097 struct videocodec_master *master = zr->codec->master_data;
1099 videocodec_detach(zr->codec);
1103 struct videocodec_master *master = zr->vfe->master_data;
1105 videocodec_detach(zr->vfe);
1109 /* unregister i2c bus */
1110 zoran_unregister_i2c(zr);
1111 /* disable PCI bus-mastering */
1112 zoran_set_pci_master(zr, 0);
1113 /* put chip into reset */
1114 btwrite(0, ZR36057_SPGPPCR);
1115 free_irq(zr->pci_dev->irq, zr);
1116 /* unmap and free memory */
1117 kfree(zr->stat_com);
1118 zoran_proc_cleanup(zr);
1119 iounmap(zr->zr36057_mem);
1120 pci_disable_device(zr->pci_dev);
1121 video_unregister_device(zr->video_dev);
1123 v4l2_device_unregister(&zr->v4l2_dev);
1128 zoran_vdev_release (struct video_device *vdev)
1133 static struct videocodec_master * __devinit
1134 zoran_setup_videocodec (struct zoran *zr,
1137 struct videocodec_master *m = NULL;
1139 m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL);
1141 dprintk(1, KERN_ERR "%s: %s - no memory\n",
1142 ZR_DEVNAME(zr), __func__);
1146 /* magic and type are unused for master struct. Makes sense only at
1148 In the past, .type were initialized to the old V4L1 .hardware
1149 value, as VID_HARDWARE_ZR36067
1154 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1155 strlcpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1160 case CODEC_TYPE_ZR36060:
1161 m->readreg = zr36060_read;
1162 m->writereg = zr36060_write;
1163 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1165 case CODEC_TYPE_ZR36050:
1166 m->readreg = zr36050_read;
1167 m->writereg = zr36050_write;
1168 m->flags |= CODEC_FLAG_JPEG;
1170 case CODEC_TYPE_ZR36016:
1171 m->readreg = zr36016_read;
1172 m->writereg = zr36016_write;
1173 m->flags |= CODEC_FLAG_VFE;
1180 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1182 struct zoran *zr = to_zoran(sd->v4l2_dev);
1184 /* Bt819 needs to reset its FIFO buffer using #FRST pin and
1185 LML33 card uses GPIO(7) for that. */
1186 if (cmd == BT819_FIFO_RESET_LOW)
1188 else if (cmd == BT819_FIFO_RESET_HIGH)
1193 * Scan for a Buz card (actually for the PCI controller ZR36057),
1194 * request the irq and map the io memory
1196 static int __devinit zoran_probe(struct pci_dev *pdev,
1197 const struct pci_device_id *ent)
1199 unsigned char latency, need_latency;
1202 struct videocodec_master *master_vfe = NULL;
1203 struct videocodec_master *master_codec = NULL;
1205 char *codec_name, *vfe_name;
1210 if (nr >= BUZ_MAX) {
1211 dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n",
1212 ZORAN_NAME, BUZ_MAX);
1216 zr = kzalloc(sizeof(struct zoran), GFP_KERNEL);
1218 dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n",
1219 ZORAN_NAME, __func__);
1222 zr->v4l2_dev.notify = zoran_subdev_notify;
1223 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev))
1227 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
1228 spin_lock_init(&zr->spinlock);
1229 mutex_init(&zr->resource_lock);
1230 mutex_init(&zr->other_lock);
1231 if (pci_enable_device(pdev))
1233 pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, &zr->revision);
1237 "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1238 ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision,
1239 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1240 if (zr->revision >= 2) {
1243 "%s: Subsystem vendor=0x%04x id=0x%04x\n",
1244 ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor,
1245 zr->pci_dev->subsystem_device);
1248 /* Use auto-detected card type? */
1249 if (card[nr] == -1) {
1250 if (zr->revision < 2) {
1253 "%s: No card type specified, please use the card=X module parameter\n",
1257 "%s: It is not possible to auto-detect ZR36057 based cards\n",
1262 card_num = ent->driver_data;
1263 if (card_num >= NUM_CARDS) {
1266 "%s: Unknown card, try specifying card=X module parameter\n",
1272 "%s: %s() - card %s detected\n",
1273 ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name);
1275 card_num = card[nr];
1276 if (card_num >= NUM_CARDS || card_num < 0) {
1279 "%s: User specified card type %d out of range (0 .. %d)\n",
1280 ZR_DEVNAME(zr), card_num, NUM_CARDS - 1);
1285 /* even though we make this a non pointer and thus
1286 * theoretically allow for making changes to this struct
1287 * on a per-individual card basis at runtime, this is
1288 * strongly discouraged. This structure is intended to
1289 * keep general card information, no settings or anything */
1290 zr->card = zoran_cards[card_num];
1291 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)),
1292 "%s[%u]", zr->card.name, zr->id);
1294 zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0);
1295 if (!zr->zr36057_mem) {
1296 dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n",
1297 ZR_DEVNAME(zr), __func__);
1301 result = request_irq(zr->pci_dev->irq, zoran_irq,
1302 IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr);
1304 if (result == -EINVAL) {
1307 "%s: %s - bad irq number or handler\n",
1308 ZR_DEVNAME(zr), __func__);
1309 } else if (result == -EBUSY) {
1312 "%s: %s - IRQ %d busy, change your PnP config in BIOS\n",
1313 ZR_DEVNAME(zr), __func__, zr->pci_dev->irq);
1317 "%s: %s - can't assign irq, error code %d\n",
1318 ZR_DEVNAME(zr), __func__, result);
1323 /* set PCI latency timer */
1324 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1326 need_latency = zr->revision > 1 ? 32 : 48;
1327 if (latency != need_latency) {
1328 dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n",
1329 ZR_DEVNAME(zr), latency, need_latency);
1330 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER,
1334 zr36057_restart(zr);
1336 dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n",
1339 if (zoran_register_i2c(zr) < 0) {
1340 dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n",
1341 ZR_DEVNAME(zr), __func__);
1345 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1346 &zr->i2c_adapter, NULL, zr->card.i2c_decoder,
1347 0, zr->card.addrs_decoder);
1349 if (zr->card.i2c_encoder)
1350 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev,
1352 NULL, zr->card.i2c_encoder,
1353 0, zr->card.addrs_encoder);
1356 KERN_INFO "%s: Initializing videocodec bus...\n",
1359 if (zr->card.video_codec) {
1360 codec_name = codecid_to_modulename(zr->card.video_codec);
1362 result = request_module(codec_name);
1366 "%s: failed to load modules %s: %d\n",
1367 ZR_DEVNAME(zr), codec_name, result);
1371 if (zr->card.video_vfe) {
1372 vfe_name = codecid_to_modulename(zr->card.video_vfe);
1374 result = request_module(vfe_name);
1378 "%s: failed to load modules %s: %d\n",
1379 ZR_DEVNAME(zr), vfe_name, result);
1384 /* reset JPEG codec */
1385 jpeg_codec_sleep(zr, 1);
1386 jpeg_codec_reset(zr);
1387 /* video bus enabled */
1388 /* display codec revision */
1389 if (zr->card.video_codec != 0) {
1390 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec);
1393 zr->codec = videocodec_attach(master_codec);
1395 dprintk(1, KERN_ERR "%s: %s - no codec found\n",
1396 ZR_DEVNAME(zr), __func__);
1399 if (zr->codec->type != zr->card.video_codec) {
1400 dprintk(1, KERN_ERR "%s: %s - wrong codec\n",
1401 ZR_DEVNAME(zr), __func__);
1402 goto zr_detach_codec;
1405 if (zr->card.video_vfe != 0) {
1406 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe);
1408 goto zr_detach_codec;
1409 zr->vfe = videocodec_attach(master_vfe);
1411 dprintk(1, KERN_ERR "%s: %s - no VFE found\n",
1412 ZR_DEVNAME(zr), __func__);
1415 if (zr->vfe->type != zr->card.video_vfe) {
1416 dprintk(1, KERN_ERR "%s: %s = wrong VFE\n",
1417 ZR_DEVNAME(zr), __func__);
1422 /* take care of Natoma chipset and a revision 1 zr36057 */
1423 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) {
1424 zr->jpg_buffers.need_contiguous = 1;
1425 dprintk(1, KERN_INFO
1426 "%s: ZR36057/Natoma bug, max. buffer size is 128K\n",
1430 if (zr36057_init(zr) < 0)
1433 zoran_proc_init(zr);
1438 videocodec_detach(zr->vfe);
1442 videocodec_detach(zr->codec);
1444 kfree(master_codec);
1446 zoran_unregister_i2c(zr);
1448 btwrite(0, ZR36057_SPGPPCR);
1449 free_irq(zr->pci_dev->irq, zr);
1451 iounmap(zr->zr36057_mem);
1453 v4l2_device_unregister(&zr->v4l2_dev);
1460 static struct pci_driver zoran_driver = {
1462 .id_table = zr36067_pci_tbl,
1463 .probe = zoran_probe,
1464 .remove = __devexit_p(zoran_remove),
1467 static int __init zoran_init(void)
1471 printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n",
1472 MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION);
1474 /* check the parameters we have been given, adjust if necessary */
1477 if (v4l_nbufs > VIDEO_MAX_FRAME)
1478 v4l_nbufs = VIDEO_MAX_FRAME;
1479 /* The user specfies the in KB, we want them in byte
1480 * (and page aligned) */
1481 v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024);
1482 if (v4l_bufsize < 32768)
1483 v4l_bufsize = 32768;
1484 /* 2 MB is arbitrary but sufficient for the maximum possible images */
1485 if (v4l_bufsize > 2048 * 1024)
1486 v4l_bufsize = 2048 * 1024;
1489 if (jpg_nbufs > BUZ_MAX_FRAME)
1490 jpg_nbufs = BUZ_MAX_FRAME;
1491 jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024);
1492 if (jpg_bufsize < 8192)
1494 if (jpg_bufsize > (512 * 1024))
1495 jpg_bufsize = 512 * 1024;
1496 /* Use parameter for vidmem or try to find a video card */
1500 "%s: Using supplied video memory base address @ 0x%lx\n",
1501 ZORAN_NAME, vidmem);
1504 /* some mainboards might not do PCI-PCI data transfer well */
1505 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL|PCIPCI_ALIMAGIK)) {
1508 "%s: chipset does not support reliable PCI-PCI DMA\n",
1512 res = pci_register_driver(&zoran_driver);
1516 "%s: Unable to register ZR36057 driver\n",
1524 static void __exit zoran_exit(void)
1526 pci_unregister_driver(&zoran_driver);
1529 module_init(zoran_init);
1530 module_exit(zoran_exit);