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