WebSVN - shark - Blame - Rev 516 - /shark/trunk/drivers/bttv/bttv-driver.c

Rev	Author	Line No.	Line
170	giacomo	1	/*
		2	bttv - Bt848 frame grabber driver
428	giacomo	3
		4	Copyright (C) 1996,97,98 Ralph Metzler <rjkm@thp.uni-koeln.de>
		5	& Marcus Metzler <mocm@thp.uni-koeln.de>
		6	(c) 1999-2002 Gerd Knorr <kraxel@bytesex.org>
		7
		8	some v4l2 code lines are taken from Justin's bttv2 driver which is
		9	(c) 2000 Justin Schoeman <justin@suntiger.ee.up.ac.za>
		10
170	giacomo	11	This program is free software; you can redistribute it and/or modify
		12	it under the terms of the GNU General Public License as published by
		13	the Free Software Foundation; either version 2 of the License, or
		14	(at your option) any later version.
428	giacomo	15
170	giacomo	16	This program is distributed in the hope that it will be useful,
		17	but WITHOUT ANY WARRANTY; without even the implied warranty of
		18	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		19	GNU General Public License for more details.
428	giacomo	20
170	giacomo	21	You should have received a copy of the GNU General Public License
		22	along with this program; if not, write to the Free Software
		23	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
		24	*/
		25
428	giacomo	26	#include <linuxcomp.h>
170	giacomo	27
428	giacomo	28	#include <linux/init.h>
		29	#include <linux/module.h>
		30	#include <linux/delay.h>
		31	#include <linux/errno.h>
		32	#include <linux/fs.h>
		33	#include <linux/kernel.h>
		34	#include <linux/sched.h>
		35	#include <linux/interrupt.h>
		36	#include <linux/kdev_t.h>
170	giacomo	37
428	giacomo	38	#include <asm/io.h>
		39	#include <asm/byteorder.h>
170	giacomo	40
428	giacomo	41	#include "drivers/bttvp.h"
170	giacomo	42
428	giacomo	43	unsigned int bttv_num; /* number of Bt848s in use */
		44	struct bttv bttvs[BTTV_MAX];
170	giacomo	45
463	giacomo	46	unsigned int bttv_debug = 1;
428	giacomo	47	unsigned int bttv_verbose = 1;
463	giacomo	48	unsigned int bttv_gpio = 1;
170	giacomo	49
428	giacomo	50	/* config variables */
		51	#ifdef __BIG_ENDIAN
170	giacomo	52	static unsigned int bigendian=1;
		53	#else
		54	static unsigned int bigendian=0;
		55	#endif
		56	static unsigned int radio[BTTV_MAX];
		57	static unsigned int irq_debug = 0;
428	giacomo	58	static unsigned int gbuffers = 8;
		59	static unsigned int gbufsize = 0x208000;
170	giacomo	60
516	giacomo	61	//static int video_nr = -1;
		62	//static int radio_nr = -1;
		63	//static int vbi_nr = -1;
170	giacomo	64
428	giacomo	65	static unsigned int fdsr = 0;
170	giacomo	66
428	giacomo	67	/* options */
		68	static unsigned int combfilter = 0;
		69	static unsigned int lumafilter = 0;
		70	static unsigned int automute = 1;
		71	static unsigned int chroma_agc = 0;
		72	static unsigned int adc_crush = 1;
		73	static unsigned int vcr_hack = 0;
		74	static unsigned int irq_iswitch = 0;
170	giacomo	75
428	giacomo	76	/* API features (turn on/off stuff for testing) */
		77	static unsigned int sloppy = 0;
		78	static unsigned int v4l2 = 1;
170	giacomo	79
		80
428	giacomo	81	/* insmod args */
		82	MODULE_PARM(radio,"1-" __stringify(BTTV_MAX) "i");
		83	MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)");
		84	MODULE_PARM(bigendian,"i");
		85	MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian");
		86	MODULE_PARM(bttv_verbose,"i");
		87	MODULE_PARM_DESC(bttv_verbose,"verbose startup messages, default is 1 (yes)");
		88	MODULE_PARM(bttv_gpio,"i");
		89	MODULE_PARM_DESC(bttv_gpio,"log gpio changes, default is 0 (no)");
		90	MODULE_PARM(bttv_debug,"i");
		91	MODULE_PARM_DESC(bttv_debug,"debug messages, default is 0 (no)");
		92	MODULE_PARM(irq_debug,"i");
		93	MODULE_PARM_DESC(irq_debug,"irq handler debug messages, default is 0 (no)");
		94	MODULE_PARM(gbuffers,"i");
		95	MODULE_PARM_DESC(gbuffers,"number of capture buffers. range 2-32, default 8");
		96	MODULE_PARM(gbufsize,"i");
		97	MODULE_PARM_DESC(gbufsize,"size of the capture buffers, default is 0x208000");
170	giacomo	98
428	giacomo	99	MODULE_PARM(video_nr,"i");
		100	MODULE_PARM(radio_nr,"i");
		101	MODULE_PARM(vbi_nr,"i");
170	giacomo	102
428	giacomo	103	MODULE_PARM(fdsr,"i");
170	giacomo	104
428	giacomo	105	MODULE_PARM(combfilter,"i");
		106	MODULE_PARM(lumafilter,"i");
		107	MODULE_PARM(automute,"i");
		108	MODULE_PARM_DESC(automute,"mute audio on bad/missing video signal, default is 1 (yes)");
		109	MODULE_PARM(chroma_agc,"i");
		110	MODULE_PARM_DESC(chroma_agc,"enables the AGC of chroma signal, default is 0 (no)");
		111	MODULE_PARM(adc_crush,"i");
		112	MODULE_PARM_DESC(adc_crush,"enables the luminance ADC crush, default is 1 (yes)");
		113	MODULE_PARM(vcr_hack,"i");
		114	MODULE_PARM_DESC(vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)");
		115	MODULE_PARM(irq_iswitch,"i");
		116	MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler");
170	giacomo	117
428	giacomo	118	MODULE_PARM(sloppy,"i");
		119	MODULE_PARM(v4l2,"i");
170	giacomo	120
428	giacomo	121	MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards");
		122	MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr");
		123	MODULE_LICENSE("GPL");
170	giacomo	124
428	giacomo	125	/* kernel args */
		126	#ifndef MODULE
		127	static int __init p_radio(char *str) { return bttv_parse(str,BTTV_MAX,radio); }
		128	__setup("bttv.radio=", p_radio);
		129	#endif
		130
		131	/* ----------------------------------------------------------------------- */
		132	/* sysfs */
516	giacomo	133	/*
428	giacomo	134	static ssize_t show_card(struct class_device cd, char buf)
170	giacomo	135	{
428	giacomo	136	struct video_device *vfd = to_video_device(cd);
		137	struct bttv *btv = dev_get_drvdata(vfd->dev);
463	giacomo	138	return sprintf26(buf, "%d\n", btv ? btv->type : UNSET);
170	giacomo	139	}
516	giacomo	140	*/
		141	//static CLASS_DEVICE_ATTR(card, S_IRUGO, show_card, NULL);
170	giacomo	142
428	giacomo	143	/* ----------------------------------------------------------------------- */
		144	/* static data */
		145
		146	/* special timing tables from conexant... */
		147	static u8 SRAM_Table[][60] =
170	giacomo	148	{
428	giacomo	149	/* PAL digital input over GPIO[7:0] */
		150	{
		151	45, // 45 bytes following
		152	0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16,
		153	0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00,
		154	0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00,
		155	0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37,
		156	0x37,0x00,0xAF,0x21,0x00
		157	},
		158	/* NTSC digital input over GPIO[7:0] */
		159	{
		160	51, // 51 bytes following
		161	0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06,
		162	0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00,
		163	0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07,
		164	0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6,
		165	0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21,
		166	0x00,
		167	},
		168	// TGB_NTSC392 // quartzsight
		169	// This table has been modified to be used for Fusion Rev D
		170	{
		171	0x2A, // size of table = 42
		172	0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24,
		173	0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10,
		174	0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00,
		175	0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3,
		176	0x20, 0x00
		177	}
		178	};
170	giacomo	179
428	giacomo	180	const struct bttv_tvnorm bttv_tvnorms[] = {
		181	/* PAL-BDGHI */
		182	/* max. active video is actually 922, but 924 is divisible by 4 and 3! */
		183	/* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */
		184	{
		185	.v4l2_id = V4L2_STD_PAL,
		186	.name = "PAL",
		187	.Fsc = 35468950,
		188	.swidth = 924,
		189	.sheight = 576,
		190	.totalwidth = 1135,
		191	.adelay = 0x7f,
		192	.bdelay = 0x72,
		193	.iform = (BT848_IFORM_PAL_BDGHI\|BT848_IFORM_XT1),
		194	.scaledtwidth = 1135,
		195	.hdelayx1 = 186,
		196	.hactivex1 = 924,
		197	.vdelay = 0x20,
		198	.vbipack = 255,
		199	.sram = 0,
		200	},{
		201	.v4l2_id = V4L2_STD_NTSC_M,
		202	.name = "NTSC",
		203	.Fsc = 28636363,
		204	.swidth = 768,
		205	.sheight = 480,
		206	.totalwidth = 910,
		207	.adelay = 0x68,
		208	.bdelay = 0x5d,
		209	.iform = (BT848_IFORM_NTSC\|BT848_IFORM_XT0),
		210	.scaledtwidth = 910,
		211	.hdelayx1 = 128,
		212	.hactivex1 = 910,
		213	.vdelay = 0x1a,
		214	.vbipack = 144,
		215	.sram = 1,
		216	},{
		217	.v4l2_id = V4L2_STD_SECAM,
		218	.name = "SECAM",
		219	.Fsc = 35468950,
		220	.swidth = 924,
		221	.sheight = 576,
		222	.totalwidth = 1135,
		223	.adelay = 0x7f,
		224	.bdelay = 0xb0,
		225	.iform = (BT848_IFORM_SECAM\|BT848_IFORM_XT1),
		226	.scaledtwidth = 1135,
		227	.hdelayx1 = 186,
		228	.hactivex1 = 922,
		229	.vdelay = 0x20,
		230	.vbipack = 255,
		231	.sram = 0, /* like PAL, correct? */
		232	},{
		233	.v4l2_id = V4L2_STD_PAL_Nc,
		234	.name = "PAL-Nc",
		235	.Fsc = 28636363,
		236	.swidth = 640,
		237	.sheight = 576,
		238	.totalwidth = 910,
		239	.adelay = 0x68,
		240	.bdelay = 0x5d,
		241	.iform = (BT848_IFORM_PAL_NC\|BT848_IFORM_XT0),
		242	.scaledtwidth = 780,
		243	.hdelayx1 = 130,
		244	.hactivex1 = 734,
		245	.vdelay = 0x1a,
		246	.vbipack = 144,
		247	.sram = -1,
		248	},{
		249	.v4l2_id = V4L2_STD_PAL_M,
		250	.name = "PAL-M",
		251	.Fsc = 28636363,
		252	.swidth = 640,
		253	.sheight = 480,
		254	.totalwidth = 910,
		255	.adelay = 0x68,
		256	.bdelay = 0x5d,
		257	.iform = (BT848_IFORM_PAL_M\|BT848_IFORM_XT0),
		258	.scaledtwidth = 780,
		259	.hdelayx1 = 135,
		260	.hactivex1 = 754,
		261	.vdelay = 0x1a,
		262	.vbipack = 144,
		263	.sram = -1,
		264	},{
		265	.v4l2_id = V4L2_STD_PAL_N,
		266	.name = "PAL-N",
		267	.Fsc = 35468950,
		268	.swidth = 768,
		269	.sheight = 576,
		270	.totalwidth = 1135,
		271	.adelay = 0x7f,
		272	.bdelay = 0x72,
		273	.iform = (BT848_IFORM_PAL_N\|BT848_IFORM_XT1),
		274	.scaledtwidth = 944,
		275	.hdelayx1 = 186,
		276	.hactivex1 = 922,
		277	.vdelay = 0x20,
		278	.vbipack = 144,
		279	.sram = -1,
		280	},{
		281	.v4l2_id = V4L2_STD_NTSC_M_JP,
		282	.name = "NTSC-JP",
		283	.Fsc = 28636363,
		284	.swidth = 640,
		285	.sheight = 480,
		286	.totalwidth = 910,
		287	.adelay = 0x68,
		288	.bdelay = 0x5d,
		289	.iform = (BT848_IFORM_NTSC_J\|BT848_IFORM_XT0),
		290	.scaledtwidth = 780,
		291	.hdelayx1 = 135,
		292	.hactivex1 = 754,
		293	.vdelay = 0x16,
		294	.vbipack = 144,
		295	.sram = -1,
		296	},{
		297	/* that one hopefully works with the strange timing
		298	* which video recorders produce when playing a NTSC
		299	* tape on a PAL TV ... */
		300	.v4l2_id = V4L2_STD_PAL_60,
		301	.name = "PAL-60",
		302	.Fsc = 35468950,
		303	.swidth = 924,
		304	.sheight = 480,
		305	.totalwidth = 1135,
		306	.adelay = 0x7f,
		307	.bdelay = 0x72,
		308	.iform = (BT848_IFORM_PAL_BDGHI\|BT848_IFORM_XT1),
		309	.scaledtwidth = 1135,
		310	.hdelayx1 = 186,
		311	.hactivex1 = 924,
		312	.vdelay = 0x1a,
		313	.vbipack = 255,
		314	.vtotal = 524,
		315	.sram = -1,
		316	}
		317	};
		318	const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms);
170	giacomo	319
428	giacomo	320	/* ----------------------------------------------------------------------- */
		321	/* bttv format list
		322	packed pixel formats must come first */
		323	const struct bttv_format bttv_formats[] = {
		324	{
		325	.name = "8 bpp, gray",
		326	.palette = VIDEO_PALETTE_GREY,
		327	.fourcc = V4L2_PIX_FMT_GREY,
		328	.btformat = BT848_COLOR_FMT_Y8,
		329	.depth = 8,
		330	.flags = FORMAT_FLAGS_PACKED,
		331	},{
		332	.name = "8 bpp, dithered color",
		333	.palette = VIDEO_PALETTE_HI240,
		334	.fourcc = V4L2_PIX_FMT_HI240,
		335	.btformat = BT848_COLOR_FMT_RGB8,
		336	.depth = 8,
		337	.flags = FORMAT_FLAGS_PACKED \| FORMAT_FLAGS_DITHER,
		338	},{
		339	.name = "15 bpp RGB, le",
		340	.palette = VIDEO_PALETTE_RGB555,
		341	.fourcc = V4L2_PIX_FMT_RGB555,
		342	.btformat = BT848_COLOR_FMT_RGB15,
		343	.depth = 16,
		344	.flags = FORMAT_FLAGS_PACKED,
		345	},{
		346	.name = "15 bpp RGB, be",
		347	.palette = -1,
		348	.fourcc = V4L2_PIX_FMT_RGB555X,
		349	.btformat = BT848_COLOR_FMT_RGB15,
		350	.btswap = 0x03, /* byteswap */
		351	.depth = 16,
		352	.flags = FORMAT_FLAGS_PACKED,
		353	},{
		354	.name = "16 bpp RGB, le",
		355	.palette = VIDEO_PALETTE_RGB565,
		356	.fourcc = V4L2_PIX_FMT_RGB565,
		357	.btformat = BT848_COLOR_FMT_RGB16,
		358	.depth = 16,
		359	.flags = FORMAT_FLAGS_PACKED,
		360	},{
		361	.name = "16 bpp RGB, be",
		362	.palette = -1,
		363	.fourcc = V4L2_PIX_FMT_RGB565X,
		364	.btformat = BT848_COLOR_FMT_RGB16,
		365	.btswap = 0x03, /* byteswap */
		366	.depth = 16,
		367	.flags = FORMAT_FLAGS_PACKED,
		368	},{
		369	.name = "24 bpp RGB, le",
		370	.palette = VIDEO_PALETTE_RGB24,
		371	.fourcc = V4L2_PIX_FMT_BGR24,
		372	.btformat = BT848_COLOR_FMT_RGB24,
		373	.depth = 24,
		374	.flags = FORMAT_FLAGS_PACKED,
		375	},{
		376	.name = "32 bpp RGB, le",
		377	.palette = VIDEO_PALETTE_RGB32,
		378	.fourcc = V4L2_PIX_FMT_BGR32,
		379	.btformat = BT848_COLOR_FMT_RGB32,
		380	.depth = 32,
		381	.flags = FORMAT_FLAGS_PACKED,
		382	},{
		383	.name = "32 bpp RGB, be",
		384	.palette = -1,
		385	.fourcc = V4L2_PIX_FMT_RGB32,
		386	.btformat = BT848_COLOR_FMT_RGB32,
		387	.btswap = 0x0f, /* byte+word swap */
		388	.depth = 32,
		389	.flags = FORMAT_FLAGS_PACKED,
		390	},{
		391	.name = "4:2:2, packed, YUYV",
		392	.palette = VIDEO_PALETTE_YUV422,
		393	.fourcc = V4L2_PIX_FMT_YUYV,
		394	.btformat = BT848_COLOR_FMT_YUY2,
		395	.depth = 16,
		396	.flags = FORMAT_FLAGS_PACKED,
		397	},{
		398	.name = "4:2:2, packed, YUYV",
		399	.palette = VIDEO_PALETTE_YUYV,
		400	.fourcc = V4L2_PIX_FMT_YUYV,
		401	.btformat = BT848_COLOR_FMT_YUY2,
		402	.depth = 16,
		403	.flags = FORMAT_FLAGS_PACKED,
		404	},{
		405	.name = "4:2:2, packed, UYVY",
		406	.palette = VIDEO_PALETTE_UYVY,
		407	.fourcc = V4L2_PIX_FMT_UYVY,
		408	.btformat = BT848_COLOR_FMT_YUY2,
		409	.btswap = 0x03, /* byteswap */
		410	.depth = 16,
		411	.flags = FORMAT_FLAGS_PACKED,
		412	},{
		413	.name = "4:2:2, planar, Y-Cb-Cr",
		414	.palette = VIDEO_PALETTE_YUV422P,
		415	.fourcc = V4L2_PIX_FMT_YUV422P,
		416	.btformat = BT848_COLOR_FMT_YCrCb422,
		417	.depth = 16,
		418	.flags = FORMAT_FLAGS_PLANAR,
		419	.hshift = 1,
		420	.vshift = 0,
		421	},{
		422	.name = "4:2:0, planar, Y-Cb-Cr",
		423	.palette = VIDEO_PALETTE_YUV420P,
		424	.fourcc = V4L2_PIX_FMT_YUV420,
		425	.btformat = BT848_COLOR_FMT_YCrCb422,
		426	.depth = 12,
		427	.flags = FORMAT_FLAGS_PLANAR,
		428	.hshift = 1,
		429	.vshift = 1,
		430	},{
		431	.name = "4:2:0, planar, Y-Cr-Cb",
		432	.palette = -1,
		433	.fourcc = V4L2_PIX_FMT_YVU420,
		434	.btformat = BT848_COLOR_FMT_YCrCb422,
		435	.depth = 12,
		436	.flags = FORMAT_FLAGS_PLANAR \| FORMAT_FLAGS_CrCb,
		437	.hshift = 1,
		438	.vshift = 1,
		439	},{
		440	.name = "4:1:1, planar, Y-Cb-Cr",
		441	.palette = VIDEO_PALETTE_YUV411P,
		442	.fourcc = V4L2_PIX_FMT_YUV411P,
		443	.btformat = BT848_COLOR_FMT_YCrCb411,
		444	.depth = 12,
		445	.flags = FORMAT_FLAGS_PLANAR,
		446	.hshift = 2,
		447	.vshift = 0,
		448	},{
		449	.name = "4:1:0, planar, Y-Cb-Cr",
		450	.palette = VIDEO_PALETTE_YUV410P,
		451	.fourcc = V4L2_PIX_FMT_YUV410,
		452	.btformat = BT848_COLOR_FMT_YCrCb411,
		453	.depth = 9,
		454	.flags = FORMAT_FLAGS_PLANAR,
		455	.hshift = 2,
		456	.vshift = 2,
		457	},{
		458	.name = "4:1:0, planar, Y-Cr-Cb",
		459	.palette = -1,
		460	.fourcc = V4L2_PIX_FMT_YVU410,
		461	.btformat = BT848_COLOR_FMT_YCrCb411,
		462	.depth = 9,
		463	.flags = FORMAT_FLAGS_PLANAR \| FORMAT_FLAGS_CrCb,
		464	.hshift = 2,
		465	.vshift = 2,
		466	},{
		467	.name = "raw scanlines",
		468	.palette = VIDEO_PALETTE_RAW,
		469	.fourcc = -1,
		470	.btformat = BT848_COLOR_FMT_RAW,
		471	.depth = 8,
		472	.flags = FORMAT_FLAGS_RAW,
		473	}
		474	};
		475	const unsigned int BTTV_FORMATS = ARRAY_SIZE(bttv_formats);
170	giacomo	476
428	giacomo	477	/* ----------------------------------------------------------------------- */
		478
		479	#define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0)
		480	#define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1)
		481	#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2)
		482	#define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3)
		483	#define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4)
		484	#define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5)
		485	#define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 6)
		486
		487	static const struct v4l2_queryctrl no_ctl = {
		488	.name = "42",
		489	.flags = V4L2_CTRL_FLAG_DISABLED,
		490	};
		491	static const struct v4l2_queryctrl bttv_ctls[] = {
		492	/* --- video --- */
		493	{
		494	.id = V4L2_CID_BRIGHTNESS,
		495	.name = "Brightness",
		496	.minimum = 0,
		497	.maximum = 65535,
		498	.step = 256,
		499	.default_value = 32768,
		500	.type = V4L2_CTRL_TYPE_INTEGER,
		501	},{
		502	.id = V4L2_CID_CONTRAST,
		503	.name = "Contrast",
		504	.minimum = 0,
		505	.maximum = 65535,
		506	.step = 128,
		507	.default_value = 32768,
		508	.type = V4L2_CTRL_TYPE_INTEGER,
		509	},{
		510	.id = V4L2_CID_SATURATION,
		511	.name = "Saturation",
		512	.minimum = 0,
		513	.maximum = 65535,
		514	.step = 128,
		515	.default_value = 32768,
		516	.type = V4L2_CTRL_TYPE_INTEGER,
		517	},{
		518	.id = V4L2_CID_HUE,
		519	.name = "Hue",
		520	.minimum = 0,
		521	.maximum = 65535,
		522	.step = 256,
		523	.default_value = 32768,
		524	.type = V4L2_CTRL_TYPE_INTEGER,
		525	},
		526	/* --- audio --- */
		527	{
		528	.id = V4L2_CID_AUDIO_MUTE,
		529	.name = "Mute",
		530	.minimum = 0,
		531	.maximum = 1,
		532	.type = V4L2_CTRL_TYPE_BOOLEAN,
		533	},{
		534	.id = V4L2_CID_AUDIO_VOLUME,
		535	.name = "Volume",
		536	.minimum = 0,
		537	.maximum = 65535,
		538	.step = 65535/100,
		539	.default_value = 65535,
		540	.type = V4L2_CTRL_TYPE_INTEGER,
		541	},{
		542	.id = V4L2_CID_AUDIO_BALANCE,
		543	.name = "Balance",
		544	.minimum = 0,
		545	.maximum = 65535,
		546	.step = 65535/100,
		547	.default_value = 32768,
		548	.type = V4L2_CTRL_TYPE_INTEGER,
		549	},{
		550	.id = V4L2_CID_AUDIO_BASS,
		551	.name = "Bass",
		552	.minimum = 0,
		553	.maximum = 65535,
		554	.step = 65535/100,
		555	.default_value = 32768,
		556	.type = V4L2_CTRL_TYPE_INTEGER,
		557	},{
		558	.id = V4L2_CID_AUDIO_TREBLE,
		559	.name = "Treble",
		560	.minimum = 0,
		561	.maximum = 65535,
		562	.step = 65535/100,
		563	.default_value = 32768,
		564	.type = V4L2_CTRL_TYPE_INTEGER,
		565	},
		566	/* --- private --- */
		567	{
		568	.id = V4L2_CID_PRIVATE_CHROMA_AGC,
		569	.name = "chroma agc",
		570	.minimum = 0,
		571	.maximum = 1,
		572	.type = V4L2_CTRL_TYPE_BOOLEAN,
		573	},{
		574	.id = V4L2_CID_PRIVATE_COMBFILTER,
		575	.name = "combfilter",
		576	.minimum = 0,
		577	.maximum = 1,
		578	.type = V4L2_CTRL_TYPE_BOOLEAN,
		579	},{
		580	.id = V4L2_CID_PRIVATE_AUTOMUTE,
		581	.name = "automute",
		582	.minimum = 0,
		583	.maximum = 1,
		584	.type = V4L2_CTRL_TYPE_BOOLEAN,
		585	},{
		586	.id = V4L2_CID_PRIVATE_LUMAFILTER,
		587	.name = "luma decimation filter",
		588	.minimum = 0,
		589	.maximum = 1,
		590	.type = V4L2_CTRL_TYPE_BOOLEAN,
		591	},{
		592	.id = V4L2_CID_PRIVATE_AGC_CRUSH,
		593	.name = "agc crush",
		594	.minimum = 0,
		595	.maximum = 1,
		596	.type = V4L2_CTRL_TYPE_BOOLEAN,
		597	},{
		598	.id = V4L2_CID_PRIVATE_VCR_HACK,
		599	.name = "vcr hack",
		600	.minimum = 0,
		601	.maximum = 1,
		602	.type = V4L2_CTRL_TYPE_BOOLEAN,
		603	}
		604	};
		605	const int BTTV_CTLS = ARRAY_SIZE(bttv_ctls);
		606
		607	/* ----------------------------------------------------------------------- */
		608	/* resource management */
		609
		610	static
		611	int check_alloc_btres(struct bttv btv, struct bttv_fh fh, int bit)
170	giacomo	612	{
428	giacomo	613	if (fh->resources & bit)
		614	/* have it already allocated */
		615	return 1;
170	giacomo	616
428	giacomo	617	/* is it free? */
480	giacomo	618	//down(&btv->reslock);
428	giacomo	619	if (btv->resources & bit) {
		620	/* no, someone else uses it */
480	giacomo	621	//up(&btv->reslock);
428	giacomo	622	return 0;
		623	}
		624	/* it's free, grab it */
		625	fh->resources \|= bit;
		626	btv->resources \|= bit;
480	giacomo	627	//up(&btv->reslock);
428	giacomo	628	return 1;
		629	}
170	giacomo	630
428	giacomo	631	static
		632	int check_btres(struct bttv_fh *fh, int bit)
		633	{
		634	return (fh->resources & bit);
170	giacomo	635	}
		636
428	giacomo	637	static
		638	int locked_btres(struct bttv *btv, int bit)
170	giacomo	639	{
428	giacomo	640	return (btv->resources & bit);
170	giacomo	641	}
		642
428	giacomo	643	static
		644	void free_btres(struct bttv btv, struct bttv_fh fh, int bits)
170	giacomo	645	{
428	giacomo	646	#if 1 /* DEBUG */
		647	if ((fh->resources & bits) != bits) {
		648	/* trying to free ressources not allocated by us ... */
		649	printk("bttv: BUG! (btres)\n");
		650	}
		651	#endif
480	giacomo	652	//down(&btv->reslock);
428	giacomo	653	fh->resources &= ~bits;
		654	btv->resources &= ~bits;
480	giacomo	655	//up(&btv->reslock);
170	giacomo	656	}
		657
428	giacomo	658	/* ----------------------------------------------------------------------- */
		659	/* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */
170	giacomo	660
		661	/* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C
		662	PLL_X = Reference pre-divider (0=1, 1=2)
		663	PLL_C = Post divider (0=6, 1=4)
		664	PLL_I = Integer input
		665	PLL_F = Fractional input
		666
		667	F_input = 28.636363 MHz:
		668	PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0
		669	*/
		670
		671	static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout)
		672	{
		673	unsigned char fl, fh, fi;
		674
		675	/* prevent overflows */
		676	fin/=4;
		677	fout/=4;
		678
		679	fout*=12;
		680	fi=fout/fin;
		681
		682	fout=(fout%fin)*256;
		683	fh=fout/fin;
		684
		685	fout=(fout%fin)*256;
		686	fl=fout/fin;
		687
		688	btwrite(fl, BT848_PLL_F_LO);
		689	btwrite(fh, BT848_PLL_F_HI);
		690	btwrite(fi\|BT848_PLL_X, BT848_PLL_XCI);
		691	}
		692
428	giacomo	693	static void set_pll(struct bttv *btv)
170	giacomo	694	{
		695	int i;
		696
		697	if (!btv->pll.pll_crystal)
428	giacomo	698	return;
170	giacomo	699
428	giacomo	700	if (btv->pll.pll_ofreq == btv->pll.pll_current) {
		701	dprintk("bttv%d: PLL: no change required\n",btv->nr);
		702	return;
		703	}
		704
170	giacomo	705	if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
		706	/* no PLL needed */
428	giacomo	707	if (btv->pll.pll_current == 0)
		708	return;
		709	vprintk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n",
		710	btv->nr,btv->pll.pll_ifreq);
170	giacomo	711	btwrite(0x00,BT848_TGCTRL);
		712	btwrite(0x00,BT848_PLL_XCI);
		713	btv->pll.pll_current = 0;
428	giacomo	714	return;
170	giacomo	715	}
		716
428	giacomo	717	vprintk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->nr,
		718	btv->pll.pll_ifreq, btv->pll.pll_ofreq);
170	giacomo	719	set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq);
		720
428	giacomo	721	for (i=0; i<10; i++) {
		722	/* Let other people run while the PLL stabilizes */
		723	vprintk(".");
491	giacomo	724	//current->state = TASK_INTERRUPTIBLE;
		725	//schedule_timeout(HZ/10);
428	giacomo	726
		727	if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
		728	btwrite(0,BT848_DSTATUS);
		729	} else {
170	giacomo	730	btwrite(0x08,BT848_TGCTRL);
		731	btv->pll.pll_current = btv->pll.pll_ofreq;
428	giacomo	732	vprintk(" ok\n");
		733	return;
170	giacomo	734	}
		735	}
428	giacomo	736	btv->pll.pll_current = -1;
		737	vprintk("failed\n");
		738	return;
170	giacomo	739	}
		740
428	giacomo	741	/* used to switch between the bt848's analog/digital video capture modes */
		742	void bt848A_set_timing(struct bttv *btv)
170	giacomo	743	{
428	giacomo	744	int i, len;
		745	int table_idx = bttv_tvnorms[btv->tvnorm].sram;
		746	int fsc = bttv_tvnorms[btv->tvnorm].Fsc;
		747
		748	if (UNSET == bttv_tvcards[btv->type].muxsel[btv->input]) {
		749	dprintk("bttv%d: load digital timing table (table_idx=%d)\n",
		750	btv->nr,table_idx);
		751
		752	/* timing change...reset timing generator address */
		753	btwrite(0x00, BT848_TGCTRL);
		754	btwrite(0x02, BT848_TGCTRL);
		755	btwrite(0x00, BT848_TGCTRL);
		756
		757	len=SRAM_Table[table_idx][0];
		758	for(i = 1; i <= len; i++)
		759	btwrite(SRAM_Table[table_idx][i],BT848_TGLB);
		760	btv->pll.pll_ofreq = 27000000;
		761
		762	set_pll(btv);
		763	btwrite(0x11, BT848_TGCTRL);
		764	btwrite(0x41, BT848_DVSIF);
		765	} else {
		766	btv->pll.pll_ofreq = fsc;
		767	set_pll(btv);
		768	btwrite(0x0, BT848_DVSIF);
		769	}
		770	}
		771
		772	/* ----------------------------------------------------------------------- */
		773
		774	static void bt848_bright(struct bttv *btv, int bright)
		775	{
		776	int value;
		777
		778	btv->bright = bright;
		779
		780	/* We want -128 to 127 we get 0-65535 */
		781	value = (bright >> 8) - 128;
		782	btwrite(value & 0xff, BT848_BRIGHT);
		783	}
		784
		785	static void bt848_hue(struct bttv *btv, int hue)
		786	{
		787	int value;
		788
		789	btv->hue = hue;
		790
		791	/* -128 to 127 */
		792	value = (hue >> 8) - 128;
		793	btwrite(value & 0xff, BT848_HUE);
		794	}
		795
		796	static void bt848_contrast(struct bttv *btv, int cont)
		797	{
		798	int value,hibit;
		799
		800	btv->contrast = cont;
		801
		802	/* 0-511 */
		803	value = (cont >> 7);
		804	hibit = (value >> 6) & 4;
		805	btwrite(value & 0xff, BT848_CONTRAST_LO);
		806	btaor(hibit, ~4, BT848_E_CONTROL);
		807	btaor(hibit, ~4, BT848_O_CONTROL);
		808	}
		809
		810	static void bt848_sat(struct bttv *btv, int color)
		811	{
		812	int val_u,val_v,hibits;
		813
		814	btv->saturation = color;
		815
		816	/* 0-511 for the color */
		817	val_u = color >> 7;
		818	val_v = ((color>>7)*180L)/254;
		819	hibits = (val_u >> 7) & 2;
		820	hibits \|= (val_v >> 8) & 1;
		821	btwrite(val_u & 0xff, BT848_SAT_U_LO);
		822	btwrite(val_v & 0xff, BT848_SAT_V_LO);
		823	btaor(hibits, ~3, BT848_E_CONTROL);
		824	btaor(hibits, ~3, BT848_O_CONTROL);
		825	}
		826
		827	/* ----------------------------------------------------------------------- */
		828
		829	static int
		830	video_mux(struct bttv *btv, unsigned int input)
		831	{
		832	int mux,mask2;
		833
		834	if (input >= bttv_tvcards[btv->type].video_inputs)
		835	return -EINVAL;
		836
170	giacomo	837	/* needed by RemoteVideo MX */
428	giacomo	838	mask2 = bttv_tvcards[btv->type].gpiomask2;
		839	if (mask2)
		840	btaor(mask2,~mask2,BT848_GPIO_OUT_EN);
170	giacomo	841
428	giacomo	842	if (input == btv->svhs) {
170	giacomo	843	btor(BT848_CONTROL_COMP, BT848_E_CONTROL);
		844	btor(BT848_CONTROL_COMP, BT848_O_CONTROL);
428	giacomo	845	} else {
170	giacomo	846	btand(~BT848_CONTROL_COMP, BT848_E_CONTROL);
		847	btand(~BT848_CONTROL_COMP, BT848_O_CONTROL);
		848	}
428	giacomo	849	mux = bttv_tvcards[btv->type].muxsel[input] & 3;
		850	btaor(mux<<5, ~(3<<5), BT848_IFORM);
		851	dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n",
		852	btv->nr,input,mux);
170	giacomo	853
428	giacomo	854	/* card specific hook */
		855	if(bttv_tvcards[btv->type].muxsel_hook)
		856	bttv_tvcards[btv->type].muxsel_hook (btv, input);
		857	return 0;
		858	}
170	giacomo	859
428	giacomo	860	static char *audio_modes[] = {
		861	"audio: tuner", "audio: radio", "audio: extern",
		862	"audio: intern", "audio: off"
		863	};
170	giacomo	864
428	giacomo	865	static int
		866	audio_mux(struct bttv *btv, int mode)
		867	{
		868	int val,mux,i2c_mux,signal;
		869
		870	btaor(bttv_tvcards[btv->type].gpiomask,
		871	~bttv_tvcards[btv->type].gpiomask,BT848_GPIO_OUT_EN);
		872	signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC;
170	giacomo	873
428	giacomo	874	switch (mode) {
		875	case AUDIO_MUTE:
		876	btv->audio \|= AUDIO_MUTE;
		877	break;
		878	case AUDIO_UNMUTE:
		879	btv->audio &= ~AUDIO_MUTE;
		880	break;
		881	case AUDIO_TUNER:
		882	case AUDIO_RADIO:
		883	case AUDIO_EXTERN:
		884	case AUDIO_INTERN:
		885	btv->audio &= AUDIO_MUTE;
		886	btv->audio \|= mode;
		887	}
		888	i2c_mux = mux = (btv->audio & AUDIO_MUTE) ? AUDIO_OFF : btv->audio;
		889	if (btv->opt_automute && !signal && !btv->radio_user)
		890	mux = AUDIO_OFF;
		891	#if 0
		892	printk("bttv%d: amux: mode=%d audio=%d signal=%s mux=%d/%d irq=%s\n",
		893	btv->nr, mode, btv->audio, signal ? "yes" : "no",
		894	mux, i2c_mux, in_interrupt() ? "yes" : "no");
		895	#endif
		896
		897	val = bttv_tvcards[btv->type].audiomux[mux];
		898	btaor(val,~bttv_tvcards[btv->type].gpiomask, BT848_GPIO_DATA);
170	giacomo	899	if (bttv_gpio)
428	giacomo	900	bttv_gpio_tracking(btv,audio_modes[mux]);
		901	if (!in_interrupt())
		902	bttv_call_i2c_clients(btv,AUDC_SET_INPUT,&(i2c_mux));
		903	return 0;
		904	}
170	giacomo	905
428	giacomo	906	static void
		907	i2c_vidiocschan(struct bttv *btv)
		908	{
		909	struct video_channel c;
		910
		911	memset(&c,0,sizeof(c));
		912	c.norm = btv->tvnorm;
		913	c.channel = btv->input;
		914	bttv_call_i2c_clients(btv,VIDIOCSCHAN,&c);
		915	if (btv->type == BTTV_VOODOOTV_FM)
		916	bttv_tda9880_setnorm(btv,c.norm);
170	giacomo	917	}
		918
428	giacomo	919	static int
		920	set_tvnorm(struct bttv *btv, unsigned int norm)
170	giacomo	921	{
428	giacomo	922	const struct bttv_tvnorm *tvnorm;
170	giacomo	923
428	giacomo	924	if (norm < 0 \|\| norm >= BTTV_TVNORMS)
		925	return -EINVAL;
170	giacomo	926
428	giacomo	927	btv->tvnorm = norm;
		928	tvnorm = &bttv_tvnorms[norm];
		929
		930	btwrite(tvnorm->adelay, BT848_ADELAY);
		931	btwrite(tvnorm->bdelay, BT848_BDELAY);
		932	btaor(tvnorm->iform,~(BT848_IFORM_NORM\|BT848_IFORM_XTBOTH),
		933	BT848_IFORM);
		934	btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE);
		935	btwrite(1, BT848_VBI_PACK_DEL);
		936	bt848A_set_timing(btv);
		937
		938	switch (btv->type) {
		939	case BTTV_VOODOOTV_FM:
		940	bttv_tda9880_setnorm(btv,norm);
		941	break;
170	giacomo	942	#if 0
428	giacomo	943	case BTTV_OSPREY540:
		944	osprey_540_set_norm(btv,norm);
		945	break;
170	giacomo	946	#endif
428	giacomo	947	}
		948	return 0;
		949	}
170	giacomo	950
428	giacomo	951	static void
		952	set_input(struct bttv *btv, unsigned int input)
170	giacomo	953	{
428	giacomo	954	unsigned long flags;
		955
		956	btv->input = input;
		957	if (irq_iswitch) {
		958	spin_lock_irqsave(&btv->s_lock,flags);
		959	if (btv->curr.irqflags) {
		960	/* active capture -> delayed input switch */
		961	btv->new_input = input;
		962	} else {
		963	video_mux(btv,input);
		964	}
		965	spin_unlock_irqrestore(&btv->s_lock,flags);
		966	} else {
		967	video_mux(btv,input);
170	giacomo	968	}
428	giacomo	969	audio_mux(btv,(input == bttv_tvcards[btv->type].tuner ?
		970	AUDIO_TUNER : AUDIO_EXTERN));
		971	set_tvnorm(btv,btv->tvnorm);
		972	}
170	giacomo	973
428	giacomo	974	static void init_bt848(struct bttv *btv)
		975	{
		976	int val;
		977
		978	btwrite(0, BT848_SRESET);
		979	btwrite(0x00, BT848_CAP_CTL);
		980	btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL);
		981	btwrite(BT848_IFORM_XTAUTO \| BT848_IFORM_AUTO, BT848_IFORM);
		982
		983	/* set planar and packed mode trigger points and */
		984	/* set rising edge of inverted GPINTR pin as irq trigger */
		985	btwrite(BT848_GPIO_DMA_CTL_PKTP_32\|
		986	BT848_GPIO_DMA_CTL_PLTP1_16\|
		987	BT848_GPIO_DMA_CTL_PLTP23_16\|
		988	BT848_GPIO_DMA_CTL_GPINTC\|
		989	BT848_GPIO_DMA_CTL_GPINTI,
		990	BT848_GPIO_DMA_CTL);
		991
		992	val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0;
		993	btwrite(val, BT848_E_SCLOOP);
		994	btwrite(val, BT848_O_SCLOOP);
		995
		996	btwrite(0x20, BT848_E_VSCALE_HI);
		997	btwrite(0x20, BT848_O_VSCALE_HI);
		998	btwrite(BT848_ADC_RESERVED \| (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
		999	BT848_ADC);
		1000
		1001	if (btv->opt_lumafilter) {
		1002	btwrite(0, BT848_E_CONTROL);
		1003	btwrite(0, BT848_O_CONTROL);
		1004	} else {
		1005	btwrite(BT848_CONTROL_LDEC, BT848_E_CONTROL);
		1006	btwrite(BT848_CONTROL_LDEC, BT848_O_CONTROL);
170	giacomo	1007	}
		1008
428	giacomo	1009	/* interrupt */
		1010	btwrite(0xfffffUL, BT848_INT_STAT);
		1011	btwrite((btv->triton1) \|
		1012	BT848_INT_GPINT \|
		1013	BT848_INT_SCERR \|
		1014	(fdsr ? BT848_INT_FDSR : 0) \|
		1015	BT848_INT_RISCI\|BT848_INT_OCERR\|BT848_INT_VPRES\|
		1016	BT848_INT_FMTCHG\|BT848_INT_HLOCK,
		1017	BT848_INT_MASK);
170	giacomo	1018	}
		1019
428	giacomo	1020	extern void bttv_reinit_bt848(struct bttv *btv)
		1021	{
		1022	unsigned long flags;
170	giacomo	1023
428	giacomo	1024	if (bttv_verbose)
		1025	printk(KERN_INFO "bttv%d: reset, reinitialize\n",btv->nr);
		1026	spin_lock_irqsave(&btv->s_lock,flags);
		1027	btv->errors=0;
		1028	bttv_set_dma(btv,0,0);
		1029	spin_unlock_irqrestore(&btv->s_lock,flags);
170	giacomo	1030
428	giacomo	1031	init_bt848(btv);
		1032	btv->pll.pll_current = -1;
		1033	set_input(btv,btv->input);
		1034	}
		1035
		1036	static int get_control(struct bttv btv, struct v4l2_control c)
170	giacomo	1037	{
428	giacomo	1038	struct video_audio va;
		1039	int i;
		1040
		1041	for (i = 0; i < BTTV_CTLS; i++)
		1042	if (bttv_ctls[i].id == c->id)
		1043	break;
		1044	if (i == BTTV_CTLS)
		1045	return -EINVAL;
		1046	if (i >= 4 && i <= 8) {
		1047	memset(&va,0,sizeof(va));
		1048	bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va);
		1049	if (btv->audio_hook)
		1050	btv->audio_hook(btv,&va,0);
		1051	}
		1052	switch (c->id) {
		1053	case V4L2_CID_BRIGHTNESS:
		1054	c->value = btv->bright;
		1055	break;
		1056	case V4L2_CID_HUE:
		1057	c->value = btv->hue;
		1058	break;
		1059	case V4L2_CID_CONTRAST:
		1060	c->value = btv->contrast;
		1061	break;
		1062	case V4L2_CID_SATURATION:
		1063	c->value = btv->saturation;
		1064	break;
170	giacomo	1065
428	giacomo	1066	case V4L2_CID_AUDIO_MUTE:
		1067	c->value = (VIDEO_AUDIO_MUTE & va.flags) ? 1 : 0;
		1068	break;
		1069	case V4L2_CID_AUDIO_VOLUME:
		1070	c->value = va.volume;
		1071	break;
		1072	case V4L2_CID_AUDIO_BALANCE:
		1073	c->value = va.balance;
		1074	break;
		1075	case V4L2_CID_AUDIO_BASS:
		1076	c->value = va.bass;
		1077	break;
		1078	case V4L2_CID_AUDIO_TREBLE:
		1079	c->value = va.treble;
		1080	break;
170	giacomo	1081
428	giacomo	1082	case V4L2_CID_PRIVATE_CHROMA_AGC:
		1083	c->value = btv->opt_chroma_agc;
		1084	break;
		1085	case V4L2_CID_PRIVATE_COMBFILTER:
		1086	c->value = btv->opt_combfilter;
		1087	break;
		1088	case V4L2_CID_PRIVATE_LUMAFILTER:
		1089	c->value = btv->opt_lumafilter;
		1090	break;
		1091	case V4L2_CID_PRIVATE_AUTOMUTE:
		1092	c->value = btv->opt_automute;
		1093	break;
		1094	case V4L2_CID_PRIVATE_AGC_CRUSH:
		1095	c->value = btv->opt_adc_crush;
		1096	break;
		1097	case V4L2_CID_PRIVATE_VCR_HACK:
		1098	c->value = btv->opt_vcr_hack;
		1099	break;
		1100	default:
		1101	return -EINVAL;
170	giacomo	1102	}
		1103	return 0;
		1104	}
		1105
428	giacomo	1106	static int set_control(struct bttv btv, struct v4l2_control c)
170	giacomo	1107	{
428	giacomo	1108	struct video_audio va;
		1109	int i,val;
170	giacomo	1110
428	giacomo	1111	for (i = 0; i < BTTV_CTLS; i++)
		1112	if (bttv_ctls[i].id == c->id)
		1113	break;
		1114	if (i == BTTV_CTLS)
		1115	return -EINVAL;
		1116	if (i >= 4 && i <= 8) {
		1117	memset(&va,0,sizeof(va));
		1118	bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va);
		1119	if (btv->audio_hook)
		1120	btv->audio_hook(btv,&va,0);
170	giacomo	1121	}
428	giacomo	1122	switch (c->id) {
		1123	case V4L2_CID_BRIGHTNESS:
		1124	bt848_bright(btv,c->value);
		1125	break;
		1126	case V4L2_CID_HUE:
		1127	bt848_hue(btv,c->value);
		1128	break;
		1129	case V4L2_CID_CONTRAST:
		1130	bt848_contrast(btv,c->value);
		1131	break;
		1132	case V4L2_CID_SATURATION:
		1133	bt848_sat(btv,c->value);
		1134	break;
		1135	case V4L2_CID_AUDIO_MUTE:
		1136	if (c->value) {
		1137	va.flags \|= VIDEO_AUDIO_MUTE;
		1138	audio_mux(btv, AUDIO_MUTE);
		1139	} else {
		1140	va.flags &= ~VIDEO_AUDIO_MUTE;
		1141	audio_mux(btv, AUDIO_UNMUTE);
170	giacomo	1142	}
428	giacomo	1143	break;
170	giacomo	1144
428	giacomo	1145	case V4L2_CID_AUDIO_VOLUME:
		1146	va.volume = c->value;
		1147	break;
		1148	case V4L2_CID_AUDIO_BALANCE:
		1149	va.balance = c->value;
		1150	break;
		1151	case V4L2_CID_AUDIO_BASS:
		1152	va.bass = c->value;
		1153	break;
		1154	case V4L2_CID_AUDIO_TREBLE:
		1155	va.treble = c->value;
		1156	break;
170	giacomo	1157
428	giacomo	1158	case V4L2_CID_PRIVATE_CHROMA_AGC:
		1159	btv->opt_chroma_agc = c->value;
		1160	val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0;
		1161	btwrite(val, BT848_E_SCLOOP);
		1162	btwrite(val, BT848_O_SCLOOP);
		1163	break;
		1164	case V4L2_CID_PRIVATE_COMBFILTER:
		1165	btv->opt_combfilter = c->value;
		1166	break;
		1167	case V4L2_CID_PRIVATE_LUMAFILTER:
		1168	btv->opt_lumafilter = c->value;
		1169	if (btv->opt_lumafilter) {
		1170	btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL);
		1171	btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL);
		1172	} else {
		1173	btor(BT848_CONTROL_LDEC, BT848_E_CONTROL);
		1174	btor(BT848_CONTROL_LDEC, BT848_O_CONTROL);
170	giacomo	1175	}
428	giacomo	1176	break;
		1177	case V4L2_CID_PRIVATE_AUTOMUTE:
		1178	btv->opt_automute = c->value;
		1179	break;
		1180	case V4L2_CID_PRIVATE_AGC_CRUSH:
		1181	btv->opt_adc_crush = c->value;
		1182	btwrite(BT848_ADC_RESERVED \| (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
		1183	BT848_ADC);
		1184	break;
		1185	case V4L2_CID_PRIVATE_VCR_HACK:
		1186	btv->opt_vcr_hack = c->value;
		1187	break;
		1188	default:
		1189	return -EINVAL;
170	giacomo	1190	}
428	giacomo	1191	if (i >= 4 && i <= 8) {
		1192	bttv_call_i2c_clients(btv, VIDIOCSAUDIO, &va);
		1193	if (btv->audio_hook)
		1194	btv->audio_hook(btv,&va,1);
		1195	}
170	giacomo	1196	return 0;
		1197	}
428	giacomo	1198
		1199	/* ----------------------------------------------------------------------- */
		1200
		1201	void bttv_gpio_tracking(struct bttv btv, char comment)
170	giacomo	1202	{
428	giacomo	1203	unsigned int outbits, data;
		1204	outbits = btread(BT848_GPIO_OUT_EN);
		1205	data = btread(BT848_GPIO_DATA);
		1206	printk(KERN_DEBUG "bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n",
		1207	btv->nr,outbits,data & outbits, data & ~outbits, comment);
		1208	}
170	giacomo	1209
428	giacomo	1210	void bttv_field_count(struct bttv *btv)
		1211	{
		1212	int need_count = 0;
170	giacomo	1213
428	giacomo	1214	if (btv->users)
		1215	need_count++;
170	giacomo	1216
428	giacomo	1217	if (need_count) {
		1218	/* start field counter */
		1219	btor(BT848_INT_VSYNC,BT848_INT_MASK);
		1220	} else {
		1221	/* stop field counter */
		1222	btand(~BT848_INT_VSYNC,BT848_INT_MASK);
		1223	btv->field_count = 0;
170	giacomo	1224	}
		1225	}
		1226
428	giacomo	1227	static const struct bttv_format*
		1228	format_by_palette(int palette)
170	giacomo	1229	{
428	giacomo	1230	unsigned int i;
170	giacomo	1231
428	giacomo	1232	for (i = 0; i < BTTV_FORMATS; i++) {
		1233	if (-1 == bttv_formats[i].palette)
		1234	continue;
		1235	if (bttv_formats[i].palette == palette)
		1236	return bttv_formats+i;
		1237	}
		1238	return NULL;
		1239	}
170	giacomo	1240
428	giacomo	1241	static const struct bttv_format*
		1242	format_by_fourcc(int fourcc)
		1243	{
		1244	unsigned int i;
170	giacomo	1245
428	giacomo	1246	for (i = 0; i < BTTV_FORMATS; i++) {
		1247	if (-1 == bttv_formats[i].fourcc)
		1248	continue;
		1249	if (bttv_formats[i].fourcc == fourcc)
		1250	return bttv_formats+i;
		1251	}
		1252	return NULL;
170	giacomo	1253	}
		1254
428	giacomo	1255	/* ----------------------------------------------------------------------- */
		1256	/* misc helpers */
		1257
		1258	static int
		1259	bttv_switch_overlay(struct bttv btv, struct bttv_fh fh,
		1260	struct bttv_buffer *new)
170	giacomo	1261	{
428	giacomo	1262	struct bttv_buffer *old;
		1263	unsigned long flags;
		1264	int retval = 0;
170	giacomo	1265
428	giacomo	1266	dprintk("switch_overlay: enter [new=%p]\n",new);
		1267	if (new)
		1268	new->vb.state = STATE_DONE;
		1269	spin_lock_irqsave(&btv->s_lock,flags);
		1270	old = btv->screen;
		1271	btv->screen = new;
		1272	bttv_set_dma(btv, 0x03, 1);
		1273	spin_unlock_irqrestore(&btv->s_lock,flags);
		1274	if (NULL == new)
		1275	free_btres(btv,fh,RESOURCE_OVERLAY);
		1276	if (NULL != old) {
		1277	dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state);
		1278	bttv_dma_free(btv, old);
		1279	kfree(old);
		1280	}
		1281	dprintk("switch_overlay: done\n");
		1282	return retval;
		1283	}
170	giacomo	1284
428	giacomo	1285	/* ----------------------------------------------------------------------- */
		1286	/* video4linux (1) interface */
170	giacomo	1287
428	giacomo	1288	static int bttv_prepare_buffer(struct bttv btv, struct bttv_buffer buf,
		1289	const struct bttv_format *fmt,
		1290	unsigned int width, unsigned int height,
		1291	enum v4l2_field field)
		1292	{
		1293	int redo_dma_risc = 0;
		1294	int rc;
		1295
		1296	/* check settings */
		1297	if (NULL == fmt)
		1298	return -EINVAL;
		1299	if (fmt->btformat == BT848_COLOR_FMT_RAW) {
		1300	width = RAW_BPL;
		1301	height = RAW_LINES*2;
		1302	if (width*height > buf->vb.bsize)
		1303	return -EINVAL;
		1304	buf->vb.size = buf->vb.bsize;
		1305	} else {
		1306	if (width < 48 \|\|
		1307	height < 32 \|\|
		1308	width > bttv_tvnorms[btv->tvnorm].swidth \|\|
		1309	height > bttv_tvnorms[btv->tvnorm].sheight)
		1310	return -EINVAL;
		1311	buf->vb.size = (width * height * fmt->depth) >> 3;
		1312	if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
		1313	return -EINVAL;
170	giacomo	1314	}
		1315
428	giacomo	1316	/* alloc + fill struct bttv_buffer (if changed) */
		1317	if (buf->vb.width != width \|\| buf->vb.height != height \|\|
		1318	buf->vb.field != field \|\|
		1319	buf->tvnorm != btv->tvnorm \|\| buf->fmt != fmt) {
		1320	buf->vb.width = width;
		1321	buf->vb.height = height;
		1322	buf->vb.field = field;
		1323	buf->tvnorm = btv->tvnorm;
		1324	buf->fmt = fmt;
		1325	redo_dma_risc = 1;
170	giacomo	1326	}
		1327
428	giacomo	1328	/* alloc risc memory */
		1329	if (STATE_NEEDS_INIT == buf->vb.state) {
		1330	redo_dma_risc = 1;
		1331	if (0 != (rc = videobuf_iolock(btv->dev,&buf->vb,&btv->fbuf)))
		1332	goto fail;
		1333	}
170	giacomo	1334
428	giacomo	1335	if (redo_dma_risc)
		1336	if (0 != (rc = bttv_buffer_risc(btv,buf)))
		1337	goto fail;
		1338
		1339	buf->vb.state = STATE_PREPARED;
		1340	return 0;
		1341
		1342	fail:
		1343	bttv_dma_free(btv,buf);
		1344	return rc;
170	giacomo	1345	}
		1346
428	giacomo	1347	static int
		1348	buffer_setup(struct file file, unsigned int count, unsigned int *size)
170	giacomo	1349	{
428	giacomo	1350	struct bttv_fh *fh = file->private_data;
		1351
		1352	size = fh->fmt->depthfh->width*fh->height >> 3;
		1353	if (0 == *count)
		1354	*count = gbuffers;
		1355	while (size count > gbuffers gbufsize)
		1356	(*count)--;
		1357	return 0;
		1358	}
170	giacomo	1359
428	giacomo	1360	static int
		1361	buffer_prepare(struct file file, struct videobuf_buffer vb,
		1362	enum v4l2_field field)
		1363	{
		1364	struct bttv_buffer buf = (struct bttv_buffer)vb;
		1365	struct bttv_fh *fh = file->private_data;
170	giacomo	1366
428	giacomo	1367	return bttv_prepare_buffer(fh->btv, buf, fh->fmt,
		1368	fh->width, fh->height, field);
170	giacomo	1369	}
		1370
428	giacomo	1371	static void
		1372	buffer_queue(struct file file, struct videobuf_buffer vb)
170	giacomo	1373	{
428	giacomo	1374	struct bttv_buffer buf = (struct bttv_buffer)vb;
		1375	struct bttv_fh *fh = file->private_data;
170	giacomo	1376
428	giacomo	1377	buf->vb.state = STATE_QUEUED;
		1378	list_add_tail(&buf->vb.queue,&fh->btv->capture);
		1379	bttv_set_dma(fh->btv, 0x03, 1);
		1380	}
170	giacomo	1381
428	giacomo	1382	static void buffer_release(struct file file, struct videobuf_buffer vb)
		1383	{
		1384	struct bttv_buffer buf = (struct bttv_buffer)vb;
		1385	struct bttv_fh *fh = file->private_data;
170	giacomo	1386
428	giacomo	1387	bttv_dma_free(fh->btv,buf);
170	giacomo	1388	}
		1389
428	giacomo	1390	static struct videobuf_queue_ops bttv_video_qops = {
		1391	.buf_setup = buffer_setup,
		1392	.buf_prepare = buffer_prepare,
		1393	.buf_queue = buffer_queue,
		1394	.buf_release = buffer_release,
170	giacomo	1395	};
		1396
516	giacomo	1397	/*
428	giacomo	1398	static const char *v4l1_ioctls[] = {
		1399	"?", "CGAP", "GCHAN", "SCHAN", "GTUNER", "STUNER", "GPICT", "SPICT",
		1400	"CCAPTURE", "GWIN", "SWIN", "GFBUF", "SFBUF", "KEY", "GFREQ",
		1401	"SFREQ", "GAUDIO", "SAUDIO", "SYNC", "MCAPTURE", "GMBUF", "GUNIT",
		1402	"GCAPTURE", "SCAPTURE", "SPLAYMODE", "SWRITEMODE", "GPLAYINFO",
		1403	"SMICROCODE", "GVBIFMT", "SVBIFMT" };
516	giacomo	1404	*/
428	giacomo	1405	#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
		1406
		1407	int bttv_common_ioctls(struct bttv btv, unsigned int cmd, void arg)
170	giacomo	1408	{
428	giacomo	1409	switch (cmd) {
		1410	case BTTV_VERSION:
		1411	return BTTV_VERSION_CODE;
170	giacomo	1412
428	giacomo	1413	/* * v4l1 * ************************************************ */
		1414	case VIDIOCGFREQ:
		1415	{
		1416	unsigned long *freq = arg;
		1417	*freq = btv->freq;
		1418	return 0;
170	giacomo	1419	}
428	giacomo	1420	case VIDIOCSFREQ:
		1421	{
		1422	unsigned long *freq = arg;
480	giacomo	1423	//down(&btv->lock);
428	giacomo	1424	btv->freq=*freq;
		1425	bttv_call_i2c_clients(btv,VIDIOCSFREQ,freq);
		1426	if (btv->has_matchbox && btv->radio_user)
		1427	tea5757_set_freq(btv,*freq);
480	giacomo	1428	//up(&btv->lock);
428	giacomo	1429	return 0;
170	giacomo	1430	}
		1431
428	giacomo	1432	case VIDIOCGTUNER:
		1433	{
		1434	struct video_tuner *v = arg;
		1435
		1436	if (UNSET == bttv_tvcards[btv->type].tuner)
		1437	return -EINVAL;
		1438	if (v->tuner) /* Only tuner 0 */
		1439	return -EINVAL;
		1440	strcpy(v->name, "Television");
		1441	v->rangelow = 0;
		1442	v->rangehigh = 0x7FFFFFFF;
		1443	v->flags = VIDEO_TUNER_PAL\|VIDEO_TUNER_NTSC\|VIDEO_TUNER_SECAM;
		1444	v->mode = btv->tvnorm;
		1445	v->signal = (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) ? 0xFFFF : 0;
		1446	bttv_call_i2c_clients(btv,cmd,v);
		1447	return 0;
		1448	}
		1449	case VIDIOCSTUNER:
		1450	{
		1451	struct video_tuner *v = arg;
170	giacomo	1452
428	giacomo	1453	if (v->tuner) /* Only tuner 0 */
		1454	return -EINVAL;
		1455	if (v->mode >= BTTV_TVNORMS)
		1456	return -EINVAL;
170	giacomo	1457
480	giacomo	1458	//down(&btv->lock);
428	giacomo	1459	set_tvnorm(btv,v->mode);
		1460	bttv_call_i2c_clients(btv,cmd,v);
480	giacomo	1461	//up(&btv->lock);
428	giacomo	1462	return 0;
		1463	}
		1464
		1465	case VIDIOCGCHAN:
		1466	{
		1467	struct video_channel *v = arg;
		1468	unsigned int channel = v->channel;
170	giacomo	1469
428	giacomo	1470	if (channel >= bttv_tvcards[btv->type].video_inputs)
		1471	return -EINVAL;
		1472	v->tuners=0;
		1473	v->flags = VIDEO_VC_AUDIO;
		1474	v->type = VIDEO_TYPE_CAMERA;
		1475	v->norm = btv->tvnorm;
		1476	if (channel == bttv_tvcards[btv->type].tuner) {
		1477	strcpy(v->name,"Television");
		1478	v->flags\|=VIDEO_VC_TUNER;
		1479	v->type=VIDEO_TYPE_TV;
		1480	v->tuners=1;
		1481	} else if (channel == btv->svhs) {
		1482	strcpy(v->name,"S-Video");
		1483	} else {
463	giacomo	1484	sprintf26(v->name,"Composite%d",channel);
428	giacomo	1485	}
		1486	return 0;
		1487	}
		1488	case VIDIOCSCHAN:
		1489	{
		1490	struct video_channel *v = arg;
		1491	unsigned int channel = v->channel;
170	giacomo	1492
428	giacomo	1493	if (channel >= bttv_tvcards[btv->type].video_inputs)
		1494	return -EINVAL;
		1495	if (v->norm >= BTTV_TVNORMS)
		1496	return -EINVAL;
170	giacomo	1497
480	giacomo	1498	//down(&btv->lock);
428	giacomo	1499	if (channel == btv->input &&
		1500	v->norm == btv->tvnorm) {
		1501	/* nothing to do */
480	giacomo	1502	//up(&btv->lock);
428	giacomo	1503	return 0;
		1504	}
170	giacomo	1505
428	giacomo	1506	btv->tvnorm = v->norm;
		1507	set_input(btv,v->channel);
480	giacomo	1508	//up(&btv->lock);
428	giacomo	1509	return 0;
		1510	}
170	giacomo	1511
428	giacomo	1512	case VIDIOCGAUDIO:
		1513	{
		1514	struct video_audio *v = arg;
170	giacomo	1515
428	giacomo	1516	memset(v,0,sizeof(*v));
		1517	strcpy(v->name,"Television");
		1518	v->flags \|= VIDEO_AUDIO_MUTABLE;
		1519	v->mode = VIDEO_SOUND_MONO;
170	giacomo	1520
480	giacomo	1521	//down(&btv->lock);
428	giacomo	1522	bttv_call_i2c_clients(btv,cmd,v);
170	giacomo	1523
428	giacomo	1524	/* card specific hooks */
		1525	if (btv->audio_hook)
		1526	btv->audio_hook(btv,v,0);
170	giacomo	1527
480	giacomo	1528	//up(&btv->lock);
428	giacomo	1529	return 0;
		1530	}
		1531	case VIDIOCSAUDIO:
		1532	{
		1533	struct video_audio *v = arg;
		1534	unsigned int audio = v->audio;
170	giacomo	1535
428	giacomo	1536	if (audio >= bttv_tvcards[btv->type].audio_inputs)
		1537	return -EINVAL;
170	giacomo	1538
480	giacomo	1539	//down(&btv->lock);
428	giacomo	1540	audio_mux(btv, (v->flags&VIDEO_AUDIO_MUTE) ? AUDIO_MUTE : AUDIO_UNMUTE);
		1541	bttv_call_i2c_clients(btv,cmd,v);
170	giacomo	1542
428	giacomo	1543	/* card specific hooks */
		1544	if (btv->audio_hook)
		1545	btv->audio_hook(btv,v,1);
		1546
480	giacomo	1547	//up(&btv->lock);
428	giacomo	1548	return 0;
		1549	}
170	giacomo	1550
428	giacomo	1551	/* * v4l2 * ************************************************ */
		1552	case VIDIOC_ENUMSTD:
		1553	{
		1554	struct v4l2_standard *e = arg;
		1555	unsigned int index = e->index;
		1556
		1557	if (index >= BTTV_TVNORMS)
		1558	return -EINVAL;
516	giacomo	1559	//v4l2_video_std_construct(e, bttv_tvnorms[e->index].v4l2_id,
		1560	// bttv_tvnorms[e->index].name);
428	giacomo	1561	e->index = index;
		1562	return 0;
		1563	}
		1564	case VIDIOC_G_STD:
		1565	{
		1566	v4l2_std_id *id = arg;
		1567	*id = bttv_tvnorms[btv->tvnorm].v4l2_id;
		1568	return 0;
		1569	}
		1570	case VIDIOC_S_STD:
		1571	{
		1572	v4l2_std_id *id = arg;
		1573	unsigned int i;
170	giacomo	1574
428	giacomo	1575	for (i = 0; i < BTTV_TVNORMS; i++)
		1576	if (*id & bttv_tvnorms[i].v4l2_id)
		1577	break;
		1578	if (i == BTTV_TVNORMS)
		1579	return -EINVAL;
170	giacomo	1580
480	giacomo	1581	//down(&btv->lock);
428	giacomo	1582	set_tvnorm(btv,i);
		1583	i2c_vidiocschan(btv);
480	giacomo	1584	//up(&btv->lock);
428	giacomo	1585	return 0;
		1586	}
		1587	case VIDIOC_QUERYSTD:
		1588	{
		1589	v4l2_std_id *id = arg;
		1590
		1591	if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML)
		1592	*id = V4L2_STD_625_50;
		1593	else
		1594	*id = V4L2_STD_525_60;
		1595	return 0;
		1596	}
170	giacomo	1597
428	giacomo	1598	case VIDIOC_ENUMINPUT:
		1599	{
		1600	struct v4l2_input *i = arg;
		1601	unsigned int n;
		1602
		1603	n = i->index;
		1604	if (n >= bttv_tvcards[btv->type].video_inputs)
		1605	return -EINVAL;
		1606	memset(i,0,sizeof(*i));
		1607	i->index = n;
		1608	i->type = V4L2_INPUT_TYPE_CAMERA;
		1609	i->audioset = 1;
		1610	if (i->index == bttv_tvcards[btv->type].tuner) {
463	giacomo	1611	sprintf26(i->name, "Television");
428	giacomo	1612	i->type = V4L2_INPUT_TYPE_TUNER;
		1613	i->tuner = 0;
		1614	} else if (i->index == btv->svhs) {
463	giacomo	1615	sprintf26(i->name, "S-Video");
428	giacomo	1616	} else {
463	giacomo	1617	sprintf26(i->name,"Composite%d",i->index);
428	giacomo	1618	}
		1619	if (i->index == btv->input) {
		1620	__u32 dstatus = btread(BT848_DSTATUS);
		1621	if (0 == (dstatus & BT848_DSTATUS_PRES))
		1622	i->status \|= V4L2_IN_ST_NO_SIGNAL;
		1623	if (0 == (dstatus & BT848_DSTATUS_HLOC))
		1624	i->status \|= V4L2_IN_ST_NO_H_LOCK;
		1625	}
		1626	for (n = 0; n < BTTV_TVNORMS; n++)
		1627	i->std \|= bttv_tvnorms[n].v4l2_id;
		1628	return 0;
		1629	}
		1630	case VIDIOC_G_INPUT:
		1631	{
		1632	int *i = arg;
		1633	*i = btv->input;
		1634	return 0;
		1635	}
		1636	case VIDIOC_S_INPUT:
		1637	{
		1638	unsigned int *i = arg;
		1639
		1640	if (*i > bttv_tvcards[btv->type].video_inputs)
		1641	return -EINVAL;
480	giacomo	1642	//down(&btv->lock);
428	giacomo	1643	set_input(btv,*i);
		1644	i2c_vidiocschan(btv);
480	giacomo	1645	//up(&btv->lock);
428	giacomo	1646	return 0;
		1647	}
		1648
		1649	case VIDIOC_G_TUNER:
		1650	{
		1651	struct v4l2_tuner *t = arg;
170	giacomo	1652
428	giacomo	1653	if (UNSET == bttv_tvcards[btv->type].tuner)
		1654	return -EINVAL;
		1655	if (0 != t->index)
		1656	return -EINVAL;
480	giacomo	1657	//down(&btv->lock);
428	giacomo	1658	memset(t,0,sizeof(*t));
		1659	strcpy(t->name, "Television");
		1660	t->type = V4L2_TUNER_ANALOG_TV;
		1661	t->rangehigh = 0xffffffffUL;
		1662	t->capability = V4L2_TUNER_CAP_NORM;
		1663	t->rxsubchans = V4L2_TUNER_SUB_MONO;
		1664	if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
		1665	t->signal = 0xffff;
		1666	{
		1667	/* Hmmm ... */
		1668	struct video_audio va;
		1669	memset(&va, 0, sizeof(struct video_audio));
		1670	bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va);
		1671	if (btv->audio_hook)
		1672	btv->audio_hook(btv,&va,0);
		1673	if(va.mode & VIDEO_SOUND_STEREO) {
		1674	t->audmode = V4L2_TUNER_MODE_STEREO;
		1675	t->rxsubchans \|= V4L2_TUNER_SUB_STEREO;
		1676	}
		1677	if(va.mode & VIDEO_SOUND_LANG1) {
		1678	t->audmode = V4L2_TUNER_MODE_LANG1;
		1679	t->rxsubchans = V4L2_TUNER_SUB_LANG1
		1680	\| V4L2_TUNER_SUB_LANG2;
		1681	}
		1682	}
		1683	/* FIXME: fill capability+audmode */
480	giacomo	1684	//up(&btv->lock);
428	giacomo	1685	return 0;
		1686	}
		1687	case VIDIOC_S_TUNER:
		1688	{
		1689	struct v4l2_tuner *t = arg;
170	giacomo	1690
428	giacomo	1691	if (UNSET == bttv_tvcards[btv->type].tuner)
		1692	return -EINVAL;
		1693	if (0 != t->index)
		1694	return -EINVAL;
480	giacomo	1695	//down(&btv->lock);
428	giacomo	1696	{
		1697	struct video_audio va;
		1698	memset(&va, 0, sizeof(struct video_audio));
		1699	bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va);
		1700	if (t->audmode == V4L2_TUNER_MODE_MONO)
		1701	va.mode = VIDEO_SOUND_MONO;
		1702	else if (t->audmode == V4L2_TUNER_MODE_STEREO)
		1703	va.mode = VIDEO_SOUND_STEREO;
		1704	else if (t->audmode == V4L2_TUNER_MODE_LANG1)
		1705	va.mode = VIDEO_SOUND_LANG1;
		1706	else if (t->audmode == V4L2_TUNER_MODE_LANG2)
		1707	va.mode = VIDEO_SOUND_LANG2;
		1708	bttv_call_i2c_clients(btv, VIDIOCSAUDIO, &va);
		1709	if (btv->audio_hook)
		1710	btv->audio_hook(btv,&va,1);
		1711	}
480	giacomo	1712	//up(&btv->lock);
428	giacomo	1713	return 0;
		1714	}
		1715
		1716	case VIDIOC_G_FREQUENCY:
		1717	{
		1718	struct v4l2_frequency *f = arg;
		1719
		1720	memset(f,0,sizeof(*f));
		1721	f->type = V4L2_TUNER_ANALOG_TV;
		1722	f->frequency = btv->freq;
		1723	return 0;
		1724	}
		1725	case VIDIOC_S_FREQUENCY:
		1726	{
		1727	struct v4l2_frequency *f = arg;
		1728
		1729	if (unlikely(f->tuner != 0))
		1730	return -EINVAL;
		1731	if (unlikely(f->type != V4L2_TUNER_ANALOG_TV))
		1732	return -EINVAL;
480	giacomo	1733	//down(&btv->lock);
428	giacomo	1734	btv->freq = f->frequency;
		1735	bttv_call_i2c_clients(btv,VIDIOCSFREQ,&btv->freq);
		1736	if (btv->has_matchbox && btv->radio_user)
		1737	tea5757_set_freq(btv,btv->freq);
480	giacomo	1738	//up(&btv->lock);
428	giacomo	1739	return 0;
		1740	}
		1741
		1742	default:
		1743	return -ENOIOCTLCMD;
		1744
		1745	}
		1746	return 0;
170	giacomo	1747	}
		1748
428	giacomo	1749	static int verify_window(const struct bttv_tvnorm *tvn,
		1750	struct v4l2_window *win, int fixup)
170	giacomo	1751	{
428	giacomo	1752	enum v4l2_field field;
		1753	int maxw, maxh;
170	giacomo	1754
428	giacomo	1755	if (win->w.width < 48 \|\| win->w.height < 32)
		1756	return -EINVAL;
		1757	if (win->clipcount > 2048)
		1758	return -EINVAL;
170	giacomo	1759
428	giacomo	1760	field = win->field;
		1761	maxw = tvn->swidth;
		1762	maxh = tvn->sheight;
170	giacomo	1763
428	giacomo	1764	if (V4L2_FIELD_ANY == field) {
		1765	field = (win->w.height > maxh/2)
		1766	? V4L2_FIELD_INTERLACED
		1767	: V4L2_FIELD_TOP;
		1768	}
		1769	switch (field) {
		1770	case V4L2_FIELD_TOP:
		1771	case V4L2_FIELD_BOTTOM:
		1772	maxh = maxh / 2;
		1773	break;
		1774	case V4L2_FIELD_INTERLACED:
		1775	break;
		1776	default:
		1777	return -EINVAL;
		1778	}
170	giacomo	1779
428	giacomo	1780	if (!fixup && (win->w.width > maxw \|\| win->w.height > maxh))
		1781	return -EINVAL;
170	giacomo	1782
428	giacomo	1783	if (win->w.width > maxw)
		1784	win->w.width = maxw;
		1785	if (win->w.height > maxh)
		1786	win->w.height = maxh;
		1787	win->field = field;
		1788	return 0;
170	giacomo	1789	}
		1790
428	giacomo	1791	static int setup_window(struct bttv_fh fh, struct bttv btv,
		1792	struct v4l2_window *win, int fixup)
170	giacomo	1793	{
428	giacomo	1794	struct v4l2_clip *clips = NULL;
		1795	int n,size,retval = 0;
170	giacomo	1796
428	giacomo	1797	if (NULL == fh->ovfmt)
		1798	return -EINVAL;
		1799	retval = verify_window(&bttv_tvnorms[btv->tvnorm],win,fixup);
		1800	if (0 != retval)
		1801	return retval;
257	giacomo	1802
428	giacomo	1803	/* copy clips -- luckily v4l1 + v4l2 are binary
		1804	compatible here ...*/
		1805	n = win->clipcount;
		1806	size = sizeof(clips)(n+4);
		1807	clips = kmalloc(size,GFP_KERNEL);
		1808	if (NULL == clips)
		1809	return -ENOMEM;
		1810	if (n > 0) {
		1811	if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
		1812	kfree(clips);
		1813	return -EFAULT;
		1814	}
		1815	}
		1816	/* clip against screen */
		1817	if (NULL != btv->fbuf.base)
		1818	n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height,
		1819	&win->w, clips, n);
		1820	btcx_sort_clips(clips,n);
		1821
		1822	/* 4-byte alignments */
		1823	switch (fh->ovfmt->depth) {
		1824	case 8:
		1825	case 24:
		1826	btcx_align(&win->w, clips, n, 3);
		1827	break;
		1828	case 16:
		1829	btcx_align(&win->w, clips, n, 1);
		1830	break;
		1831	case 32:
		1832	/* no alignment fixups needed */
		1833	break;
		1834	default:
		1835	BUG();
		1836	}
179	giacomo	1837
480	giacomo	1838	//down(&fh->cap.lock);
428	giacomo	1839	if (fh->ov.clips)
		1840	kfree(fh->ov.clips);
		1841	fh->ov.clips = clips;
		1842	fh->ov.nclips = n;
		1843
		1844	fh->ov.w = win->w;
		1845	fh->ov.field = win->field;
		1846	fh->ov.setup_ok = 1;
		1847	btv->init.ov.w.width = win->w.width;
		1848	btv->init.ov.w.height = win->w.height;
		1849	btv->init.ov.field = win->field;
		1850
		1851	/* update overlay if needed */
		1852	retval = 0;
		1853	if (check_btres(fh, RESOURCE_OVERLAY)) {
		1854	struct bttv_buffer *new;
		1855
		1856	new = videobuf_alloc(sizeof(*new));
		1857	bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
		1858	retval = bttv_switch_overlay(btv,fh,new);
		1859	}
480	giacomo	1860	//up(&fh->cap.lock);
428	giacomo	1861	return retval;
170	giacomo	1862	}
		1863
428	giacomo	1864	/* ----------------------------------------------------------------------- */
170	giacomo	1865
428	giacomo	1866	static struct videobuf_queue* bttv_queue(struct bttv_fh *fh)
170	giacomo	1867	{
428	giacomo	1868	struct videobuf_queue* q = NULL;
		1869
		1870	switch (fh->type) {
		1871	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		1872	q = &fh->cap;
		1873	break;
		1874	case V4L2_BUF_TYPE_VBI_CAPTURE:
		1875	q = &fh->vbi;
		1876	break;
		1877	default:
		1878	BUG();
		1879	}
		1880	return q;
170	giacomo	1881	}
		1882
428	giacomo	1883	static int bttv_resource(struct bttv_fh *fh)
170	giacomo	1884	{
428	giacomo	1885	int res = 0;
		1886
		1887	switch (fh->type) {
		1888	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		1889	res = RESOURCE_VIDEO;
		1890	break;
		1891	case V4L2_BUF_TYPE_VBI_CAPTURE:
		1892	res = RESOURCE_VBI;
		1893	break;
		1894	default:
		1895	BUG();
		1896	}
		1897	return res;
170	giacomo	1898	}
		1899
428	giacomo	1900	static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
170	giacomo	1901	{
428	giacomo	1902	struct videobuf_queue *q = bttv_queue(fh);
		1903	int res = bttv_resource(fh);
170	giacomo	1904
428	giacomo	1905	if (check_btres(fh,res))
		1906	return -EBUSY;
		1907	if (videobuf_queue_is_busy(q))
		1908	return -EBUSY;
		1909	fh->type = type;
		1910	return 0;
170	giacomo	1911	}
		1912
428	giacomo	1913	static int bttv_g_fmt(struct bttv_fh fh, struct v4l2_format f)
170	giacomo	1914	{
428	giacomo	1915	switch (f->type) {
		1916	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		1917	memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format));
		1918	f->fmt.pix.width = fh->width;
		1919	f->fmt.pix.height = fh->height;
		1920	f->fmt.pix.field = fh->cap.field;
		1921	f->fmt.pix.pixelformat = fh->fmt->fourcc;
		1922	f->fmt.pix.bytesperline =
		1923	(f->fmt.pix.width * fh->fmt->depth) >> 3;
		1924	f->fmt.pix.sizeimage =
		1925	f->fmt.pix.height * f->fmt.pix.bytesperline;
		1926	return 0;
		1927	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
		1928	memset(&f->fmt.win,0,sizeof(struct v4l2_window));
		1929	f->fmt.win.w = fh->ov.w;
		1930	f->fmt.win.field = fh->ov.field;
		1931	return 0;
		1932	case V4L2_BUF_TYPE_VBI_CAPTURE:
516	giacomo	1933	//bttv_vbi_get_fmt(fh,f);
428	giacomo	1934	return 0;
		1935	default:
		1936	return -EINVAL;
		1937	}
		1938	}
170	giacomo	1939
428	giacomo	1940	static int bttv_try_fmt(struct bttv_fh fh, struct bttv btv,
		1941	struct v4l2_format *f)
		1942	{
		1943	switch (f->type) {
		1944	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		1945	{
		1946	const struct bttv_format *fmt;
		1947	enum v4l2_field field;
		1948	unsigned int maxw,maxh;
		1949
		1950	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
		1951	if (NULL == fmt)
		1952	return -EINVAL;
		1953
		1954	/* fixup format */
		1955	maxw = bttv_tvnorms[btv->tvnorm].swidth;
		1956	maxh = bttv_tvnorms[btv->tvnorm].sheight;
		1957	field = f->fmt.pix.field;
		1958	if (V4L2_FIELD_ANY == field)
		1959	field = (f->fmt.pix.height > maxh/2)
		1960	? V4L2_FIELD_INTERLACED
		1961	: V4L2_FIELD_BOTTOM;
		1962	if (V4L2_FIELD_SEQ_BT == field)
		1963	field = V4L2_FIELD_SEQ_TB;
		1964	switch (field) {
		1965	case V4L2_FIELD_TOP:
		1966	case V4L2_FIELD_BOTTOM:
		1967	case V4L2_FIELD_ALTERNATE:
		1968	maxh = maxh/2;
		1969	break;
		1970	case V4L2_FIELD_INTERLACED:
		1971	break;
		1972	case V4L2_FIELD_SEQ_TB:
		1973	if (fmt->flags & FORMAT_FLAGS_PLANAR)
		1974	return -EINVAL;
		1975	break;
		1976	default:
		1977	return -EINVAL;
		1978	}
		1979
		1980	/* update data for the application */
		1981	f->fmt.pix.field = field;
		1982	if (f->fmt.pix.width < 48)
		1983	f->fmt.pix.width = 48;
		1984	if (f->fmt.pix.height < 32)
		1985	f->fmt.pix.height = 32;
		1986	if (f->fmt.pix.width > maxw)
		1987	f->fmt.pix.width = maxw;
		1988	if (f->fmt.pix.height > maxh)
		1989	f->fmt.pix.height = maxh;
		1990	f->fmt.pix.bytesperline =
		1991	(f->fmt.pix.width * fmt->depth) >> 3;
		1992	f->fmt.pix.sizeimage =
		1993	f->fmt.pix.height * f->fmt.pix.bytesperline;
		1994
		1995	return 0;
		1996	}
		1997	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
		1998	return verify_window(&bttv_tvnorms[btv->tvnorm],
		1999	&f->fmt.win, 1);
		2000	case V4L2_BUF_TYPE_VBI_CAPTURE:
516	giacomo	2001	//bttv_vbi_try_fmt(fh,f);
428	giacomo	2002	return 0;
		2003	default:
		2004	return -EINVAL;
		2005	}
170	giacomo	2006	}
		2007
428	giacomo	2008	static int bttv_s_fmt(struct bttv_fh fh, struct bttv btv,
		2009	struct v4l2_format *f)
170	giacomo	2010	{
428	giacomo	2011	int retval;
		2012
		2013	switch (f->type) {
		2014	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		2015	{
		2016	const struct bttv_format *fmt;
170	giacomo	2017
428	giacomo	2018	retval = bttv_switch_type(fh,f->type);
		2019	if (0 != retval)
		2020	return retval;
		2021	retval = bttv_try_fmt(fh,btv,f);
		2022	if (0 != retval)
		2023	return retval;
		2024	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
		2025
		2026	/* update our state informations */
480	giacomo	2027	//down(&fh->cap.lock);
428	giacomo	2028	fh->fmt = fmt;
		2029	fh->cap.field = f->fmt.pix.field;
		2030	fh->cap.last = V4L2_FIELD_NONE;
		2031	fh->width = f->fmt.pix.width;
		2032	fh->height = f->fmt.pix.height;
		2033	btv->init.fmt = fmt;
		2034	btv->init.width = f->fmt.pix.width;
		2035	btv->init.height = f->fmt.pix.height;
480	giacomo	2036	//up(&fh->cap.lock);
428	giacomo	2037
		2038	return 0;
		2039	}
		2040	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
		2041	return setup_window(fh, btv, &f->fmt.win, 1);
		2042	case V4L2_BUF_TYPE_VBI_CAPTURE:
		2043	retval = bttv_switch_type(fh,f->type);
		2044	if (0 != retval)
		2045	return retval;
		2046	if (locked_btres(fh->btv, RESOURCE_VBI))
		2047	return -EBUSY;
516	giacomo	2048	//bttv_vbi_try_fmt(fh,f);
		2049	//bttv_vbi_setlines(fh,btv,f->fmt.vbi.count[0]);
		2050	//bttv_vbi_get_fmt(fh,f);
428	giacomo	2051	return 0;
		2052	default:
		2053	return -EINVAL;
		2054	}
170	giacomo	2055	}
		2056
516	giacomo	2057	int bttv_do_ioctl(struct inode inode, struct file file,
428	giacomo	2058	unsigned int cmd, void *arg)
170	giacomo	2059	{
428	giacomo	2060	struct bttv_fh *fh = file->private_data;
		2061	struct bttv *btv = fh->btv;
		2062	unsigned long flags;
		2063	int retval = 0;
170	giacomo	2064
428	giacomo	2065	if (bttv_debug > 1) {
		2066	switch (_IOC_TYPE(cmd)) {
		2067	case 'v':
516	giacomo	2068	//printk("bttv%d: ioctl 0x%x (v4l1, VIDIOC%s)\n",
		2069	// btv->nr, cmd, (_IOC_NR(cmd) < V4L1_IOCTLS) ?
		2070	// v4l1_ioctls[_IOC_NR(cmd)] : "???");
428	giacomo	2071	break;
		2072	case 'V':
516	giacomo	2073	//printk("bttv%d: ioctl 0x%x (v4l2, %s)\n",
		2074	// btv->nr, cmd, v4l2_ioctl_names[_IOC_NR(cmd)]);
428	giacomo	2075	break;
		2076	default:
		2077	printk("bttv%d: ioctl 0x%x ()\n",
		2078	btv->nr, cmd);
		2079	}
		2080	}
		2081	if (btv->errors)
		2082	bttv_reinit_bt848(btv);
170	giacomo	2083
428	giacomo	2084	#ifdef VIDIOC_G_PRIORITY
170	giacomo	2085	switch (cmd) {
428	giacomo	2086	case VIDIOCSFREQ:
		2087	case VIDIOCSTUNER:
		2088	case VIDIOCSCHAN:
		2089	case VIDIOC_S_CTRL:
		2090	case VIDIOC_S_STD:
		2091	case VIDIOC_S_INPUT:
		2092	case VIDIOC_S_TUNER:
		2093	case VIDIOC_S_FREQUENCY:
		2094	retval = v4l2_prio_check(&btv->prio,&fh->prio);
		2095	if (0 != retval)
		2096	return retval;
		2097	};
		2098	#endif
		2099	switch (cmd) {
		2100
		2101	/* * v4l1 * ************************************************ */
170	giacomo	2102	case VIDIOCGCAP:
		2103	{
428	giacomo	2104	struct video_capability *cap = arg;
		2105
		2106	memset(cap,0,sizeof(*cap));
		2107	strcpy(cap->name,btv->video_dev->name);
		2108	if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
		2109	/* vbi */
		2110	cap->type = VID_TYPE_TUNER\|VID_TYPE_TELETEXT;
		2111	} else {
		2112	/* others */
		2113	cap->type = VID_TYPE_CAPTURE\|
		2114	VID_TYPE_TUNER\|
		2115	VID_TYPE_OVERLAY\|
		2116	VID_TYPE_CLIPPING\|
		2117	VID_TYPE_SCALES;
		2118	cap->channels = bttv_tvcards[btv->type].video_inputs;
		2119	cap->audios = bttv_tvcards[btv->type].audio_inputs;
		2120	cap->maxwidth = bttv_tvnorms[btv->tvnorm].swidth;
		2121	cap->maxheight = bttv_tvnorms[btv->tvnorm].sheight;
		2122	cap->minwidth = 48;
		2123	cap->minheight = 32;
		2124	}
		2125	return 0;
170	giacomo	2126	}
428	giacomo	2127
		2128	case VIDIOCGPICT:
170	giacomo	2129	{
428	giacomo	2130	struct video_picture *pic = arg;
		2131
		2132	memset(pic,0,sizeof(*pic));
		2133	pic->brightness = btv->bright;
		2134	pic->contrast = btv->contrast;
		2135	pic->hue = btv->hue;
		2136	pic->colour = btv->saturation;
		2137	if (fh->fmt) {
		2138	pic->depth = fh->fmt->depth;
		2139	pic->palette = fh->fmt->palette;
		2140	}
170	giacomo	2141	return 0;
		2142	}
428	giacomo	2143	case VIDIOCSPICT:
170	giacomo	2144	{
428	giacomo	2145	struct video_picture *pic = arg;
		2146	const struct bttv_format *fmt;
170	giacomo	2147
428	giacomo	2148	fmt = format_by_palette(pic->palette);
		2149	if (NULL == fmt)
170	giacomo	2150	return -EINVAL;
480	giacomo	2151	//down(&fh->cap.lock);
428	giacomo	2152	if (fmt->depth != pic->depth && !sloppy) {
		2153	retval = -EINVAL;
		2154	goto fh_unlock_and_return;
		2155	}
		2156	fh->ovfmt = fmt;
		2157	fh->fmt = fmt;
		2158	btv->init.ovfmt = fmt;
		2159	btv->init.fmt = fmt;
		2160	if (bigendian) {
		2161	/* dirty hack time: swap bytes for overlay if the
		2162	display adaptor is big endian (insmod option) */
		2163	if (fmt->palette == VIDEO_PALETTE_RGB555 \|\|
		2164	fmt->palette == VIDEO_PALETTE_RGB565 \|\|
		2165	fmt->palette == VIDEO_PALETTE_RGB32) {
		2166	fh->ovfmt = fmt+1;
		2167	}
		2168	}
		2169	bt848_bright(btv,pic->brightness);
		2170	bt848_contrast(btv,pic->contrast);
		2171	bt848_hue(btv,pic->hue);
		2172	bt848_sat(btv,pic->colour);
480	giacomo	2173	//up(&fh->cap.lock);
428	giacomo	2174	return 0;
		2175	}
170	giacomo	2176
428	giacomo	2177	case VIDIOCGWIN:
		2178	{
		2179	struct video_window *win = arg;
		2180
		2181	memset(win,0,sizeof(*win));
		2182	win->x = fh->ov.w.left;
		2183	win->y = fh->ov.w.top;
		2184	win->width = fh->ov.w.width;
		2185	win->height = fh->ov.w.height;
170	giacomo	2186	return 0;
		2187	}
428	giacomo	2188	case VIDIOCSWIN:
170	giacomo	2189	{
428	giacomo	2190	struct video_window *win = arg;
		2191	struct v4l2_window w2;
		2192
		2193	w2.field = V4L2_FIELD_ANY;
		2194	w2.w.left = win->x;
		2195	w2.w.top = win->y;
		2196	w2.w.width = win->width;
		2197	w2.w.height = win->height;
		2198	w2.clipcount = win->clipcount;
		2199	w2.clips = (struct v4l2_clip*)win->clips;
		2200	retval = setup_window(fh, btv, &w2, 0);
		2201	if (0 == retval) {
		2202	/* on v4l1 this ioctl affects the read() size too */
		2203	fh->width = fh->ov.w.width;
		2204	fh->height = fh->ov.w.height;
		2205	btv->init.width = fh->ov.w.width;
		2206	btv->init.height = fh->ov.w.height;
		2207	}
		2208	return retval;
		2209	}
		2210
		2211	case VIDIOCGFBUF:
		2212	{
		2213	struct video_buffer *fbuf = arg;
		2214
		2215	fbuf->base = btv->fbuf.base;
		2216	fbuf->width = btv->fbuf.fmt.width;
		2217	fbuf->height = btv->fbuf.fmt.height;
		2218	fbuf->bytesperline = btv->fbuf.fmt.bytesperline;
		2219	if (fh->ovfmt)
		2220	fbuf->depth = fh->ovfmt->depth;
170	giacomo	2221	return 0;
		2222	}
428	giacomo	2223	case VIDIOCSFBUF:
170	giacomo	2224	{
428	giacomo	2225	struct video_buffer *fbuf = arg;
		2226	const struct bttv_format *fmt;
		2227	unsigned long end;
		2228
		2229	if(!capable(CAP_SYS_ADMIN) &&
		2230	!capable(CAP_SYS_RAWIO))
		2231	return -EPERM;
		2232	end = (unsigned long)fbuf->base +
		2233	fbuf->height * fbuf->bytesperline;
480	giacomo	2234	//down(&fh->cap.lock);
428	giacomo	2235	retval = -EINVAL;
		2236	if (sloppy) {
		2237	/* also set the default palette -- for backward
		2238	compatibility with older versions */
		2239	switch (fbuf->depth) {
		2240	case 8:
		2241	fmt = format_by_palette(VIDEO_PALETTE_HI240);
		2242	break;
		2243	case 16:
		2244	fmt = format_by_palette(VIDEO_PALETTE_RGB565);
		2245	break;
		2246	case 24:
		2247	fmt = format_by_palette(VIDEO_PALETTE_RGB24);
		2248	break;
		2249	case 32:
		2250	fmt = format_by_palette(VIDEO_PALETTE_RGB32);
		2251	break;
		2252	case 15:
		2253	fbuf->depth = 16;
		2254	fmt = format_by_palette(VIDEO_PALETTE_RGB555);
		2255	break;
		2256	default:
		2257	fmt = NULL;
		2258	break;
		2259	}
		2260	if (NULL == fmt)
		2261	goto fh_unlock_and_return;
		2262	fh->ovfmt = fmt;
		2263	fh->fmt = fmt;
		2264	btv->init.ovfmt = fmt;
		2265	btv->init.fmt = fmt;
		2266	} else {
		2267	if (15 == fbuf->depth)
		2268	fbuf->depth = 16;
		2269	if (fbuf->depth != 8 && fbuf->depth != 16 &&
		2270	fbuf->depth != 24 && fbuf->depth != 32)
		2271	goto fh_unlock_and_return;
170	giacomo	2272	}
428	giacomo	2273	btv->fbuf.base = fbuf->base;
		2274	btv->fbuf.fmt.width = fbuf->width;
		2275	btv->fbuf.fmt.height = fbuf->height;
		2276	if (fbuf->bytesperline)
		2277	btv->fbuf.fmt.bytesperline = fbuf->bytesperline;
		2278	else
		2279	btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fbuf->depth/8;
480	giacomo	2280	//up(&fh->cap.lock);
170	giacomo	2281	return 0;
		2282	}
428	giacomo	2283
		2284	case VIDIOCCAPTURE:
		2285	case VIDIOC_OVERLAY:
170	giacomo	2286	{
428	giacomo	2287	struct bttv_buffer *new;
		2288	int *on = arg;
		2289
		2290	if (*on) {
		2291	/* verify args */
		2292	if (NULL == btv->fbuf.base)
		2293	return -EINVAL;
		2294	if (!fh->ov.setup_ok) {
		2295	dprintk("bttv%d: overlay: !setup_ok\n",btv->nr);
		2296	return -EINVAL;
		2297	}
		2298	}
		2299
		2300	if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY))
		2301	return -EBUSY;
		2302
480	giacomo	2303	//down(&fh->cap.lock);
428	giacomo	2304	if (*on) {
		2305	fh->ov.tvnorm = btv->tvnorm;
		2306	new = videobuf_alloc(sizeof(*new));
		2307	bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
		2308	} else {
		2309	new = NULL;
		2310	}
		2311
		2312	/* switch over */
		2313	retval = bttv_switch_overlay(btv,fh,new);
480	giacomo	2314	//up(&fh->cap.lock);
428	giacomo	2315	return retval;
		2316	}
		2317
		2318	case VIDIOCGMBUF:
		2319	{
		2320	struct video_mbuf *mbuf = arg;
		2321	unsigned int i;
		2322
480	giacomo	2323	//down(&fh->cap.lock);
428	giacomo	2324	retval = videobuf_mmap_setup(file,&fh->cap,gbuffers,gbufsize,
		2325	V4L2_MEMORY_MMAP);
		2326	if (retval < 0)
		2327	goto fh_unlock_and_return;
		2328	memset(mbuf,0,sizeof(*mbuf));
		2329	mbuf->frames = gbuffers;
		2330	mbuf->size = gbuffers * gbufsize;
		2331	for (i = 0; i < gbuffers; i++)
		2332	mbuf->offsets[i] = i * gbufsize;
480	giacomo	2333	//up(&fh->cap.lock);
170	giacomo	2334	return 0;
		2335	}
428	giacomo	2336	case VIDIOCMCAPTURE:
170	giacomo	2337	{
428	giacomo	2338	struct video_mmap *vm = arg;
		2339	struct bttv_buffer *buf;
		2340	enum v4l2_field field;
		2341
		2342	if (vm->frame >= VIDEO_MAX_FRAME)
170	giacomo	2343	return -EINVAL;
428	giacomo	2344
480	giacomo	2345	//down(&fh->cap.lock);
428	giacomo	2346	retval = -EINVAL;
		2347	buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame];
		2348	if (NULL == buf)
		2349	goto fh_unlock_and_return;
		2350	if (0 == buf->vb.baddr)
		2351	goto fh_unlock_and_return;
		2352	if (buf->vb.state == STATE_QUEUED \|\|
		2353	buf->vb.state == STATE_ACTIVE)
		2354	goto fh_unlock_and_return;
		2355
		2356	field = (vm->height > bttv_tvnorms[btv->tvnorm].sheight/2)
		2357	? V4L2_FIELD_INTERLACED
		2358	: V4L2_FIELD_BOTTOM;
		2359	retval = bttv_prepare_buffer(btv,buf,
		2360	format_by_palette(vm->format),
		2361	vm->width,vm->height,field);
		2362	if (0 != retval)
		2363	goto fh_unlock_and_return;
		2364	spin_lock_irqsave(&btv->s_lock,flags);
		2365	buffer_queue(file,&buf->vb);
		2366	spin_unlock_irqrestore(&btv->s_lock,flags);
480	giacomo	2367	//up(&fh->cap.lock);
170	giacomo	2368	return 0;
		2369	}
428	giacomo	2370	case VIDIOCSYNC:
170	giacomo	2371	{
428	giacomo	2372	int *frame = arg;
		2373	struct bttv_buffer *buf;
170	giacomo	2374
428	giacomo	2375	if (*frame >= VIDEO_MAX_FRAME)
170	giacomo	2376	return -EINVAL;
		2377
480	giacomo	2378	//down(&fh->cap.lock);
428	giacomo	2379	retval = -EINVAL;
		2380	buf = (struct bttv_buffer )fh->cap.bufs[frame];
		2381	if (NULL == buf)
		2382	goto fh_unlock_and_return;
		2383	retval = videobuf_waiton(&buf->vb,0,1);
		2384	if (0 != retval)
		2385	goto fh_unlock_and_return;
		2386	switch (buf->vb.state) {
		2387	case STATE_ERROR:
		2388	retval = -EIO;
		2389	/* fall through */
		2390	case STATE_DONE:
516	giacomo	2391	//videobuf_dma_pci_sync(btv->dev,&buf->vb.dma);
428	giacomo	2392	bttv_dma_free(btv,buf);
		2393	break;
		2394	default:
		2395	retval = -EINVAL;
		2396	break;
170	giacomo	2397	}
480	giacomo	2398	//up(&fh->cap.lock);
428	giacomo	2399	return retval;
170	giacomo	2400	}
428	giacomo	2401
		2402	case VIDIOCGVBIFMT:
170	giacomo	2403	{
428	giacomo	2404	struct vbi_format fmt = (void ) arg;
		2405	struct v4l2_format fmt2;
		2406
		2407	if (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) {
		2408	retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE);
		2409	if (0 != retval)
		2410	return retval;
		2411	}
516	giacomo	2412	//bttv_vbi_get_fmt(fh, &fmt2);
428	giacomo	2413
		2414	memset(fmt,0,sizeof(*fmt));
		2415	fmt->sampling_rate = fmt2.fmt.vbi.sampling_rate;
		2416	fmt->samples_per_line = fmt2.fmt.vbi.samples_per_line;
		2417	fmt->sample_format = VIDEO_PALETTE_RAW;
		2418	fmt->start[0] = fmt2.fmt.vbi.start[0];
		2419	fmt->count[0] = fmt2.fmt.vbi.count[0];
		2420	fmt->start[1] = fmt2.fmt.vbi.start[1];
		2421	fmt->count[1] = fmt2.fmt.vbi.count[1];
		2422	if (fmt2.fmt.vbi.flags & VBI_UNSYNC)
		2423	fmt->flags \|= V4L2_VBI_UNSYNC;
		2424	if (fmt2.fmt.vbi.flags & VBI_INTERLACED)
		2425	fmt->flags \|= V4L2_VBI_INTERLACED;
170	giacomo	2426	return 0;
		2427	}
428	giacomo	2428	case VIDIOCSVBIFMT:
170	giacomo	2429	{
428	giacomo	2430	struct vbi_format fmt = (void ) arg;
		2431	struct v4l2_format fmt2;
		2432
		2433	retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE);
		2434	if (0 != retval)
		2435	return retval;
516	giacomo	2436	//bttv_vbi_get_fmt(fh, &fmt2);
428	giacomo	2437
		2438	if (fmt->sampling_rate != fmt2.fmt.vbi.sampling_rate \|\|
		2439	fmt->samples_per_line != fmt2.fmt.vbi.samples_per_line \|\|
		2440	fmt->sample_format != VIDEO_PALETTE_RAW \|\|
		2441	fmt->start[0] != fmt2.fmt.vbi.start[0] \|\|
		2442	fmt->start[1] != fmt2.fmt.vbi.start[1] \|\|
		2443	fmt->count[0] != fmt->count[1] \|\|
		2444	fmt->count[0] < 1 \|\|
		2445	fmt->count[0] > 32 /* VBI_MAXLINES */)
170	giacomo	2446	return -EINVAL;
428	giacomo	2447
516	giacomo	2448	//bttv_vbi_setlines(fh,btv,fmt->count[0]);
170	giacomo	2449	return 0;
		2450	}
428	giacomo	2451
		2452	case BTTV_VERSION:
		2453	case VIDIOCGFREQ:
		2454	case VIDIOCSFREQ:
		2455	case VIDIOCGTUNER:
		2456	case VIDIOCSTUNER:
		2457	case VIDIOCGCHAN:
		2458	case VIDIOCSCHAN:
		2459	case VIDIOCGAUDIO:
		2460	case VIDIOCSAUDIO:
		2461	return bttv_common_ioctls(btv,cmd,arg);
		2462
		2463	/* * v4l2 * ************************************************ */
		2464	case VIDIOC_QUERYCAP:
170	giacomo	2465	{
428	giacomo	2466	struct v4l2_capability *cap = arg;
		2467
		2468	if (0 == v4l2)
		2469	return -EINVAL;
		2470	strcpy(cap->driver,"bttv");
516	giacomo	2471	strncpy(cap->card,btv->video_dev->name,sizeof(cap->card));
463	giacomo	2472	sprintf26(cap->bus_info,"PCI:%s",pci_name(btv->dev));
428	giacomo	2473	cap->version = BTTV_VERSION_CODE;
		2474	cap->capabilities =
		2475	V4L2_CAP_VIDEO_CAPTURE \|
		2476	V4L2_CAP_VIDEO_OVERLAY \|
		2477	V4L2_CAP_VBI_CAPTURE \|
		2478	V4L2_CAP_TUNER \|
		2479	V4L2_CAP_READWRITE \|
		2480	V4L2_CAP_STREAMING;
170	giacomo	2481	return 0;
		2482	}
428	giacomo	2483
		2484	case VIDIOC_ENUM_FMT:
170	giacomo	2485	{
428	giacomo	2486	struct v4l2_fmtdesc *f = arg;
		2487	enum v4l2_buf_type type;
		2488	unsigned int i;
		2489	int index;
		2490
		2491	type = f->type;
		2492	if (V4L2_BUF_TYPE_VBI_CAPTURE == type) {
		2493	/* vbi */
		2494	index = f->index;
		2495	if (0 != index)
		2496	return -EINVAL;
		2497	memset(f,0,sizeof(*f));
		2498	f->index = index;
		2499	f->type = type;
		2500	f->pixelformat = V4L2_PIX_FMT_GREY;
		2501	strcpy(f->description,"vbi data");
		2502	return 0;
		2503	}
		2504
		2505	/* video capture + overlay */
		2506	index = -1;
		2507	for (i = 0; i < BTTV_FORMATS; i++) {
		2508	if (bttv_formats[i].fourcc != -1)
		2509	index++;
		2510	if ((unsigned int)index == f->index)
		2511	break;
		2512	}
		2513	if (BTTV_FORMATS == i)
170	giacomo	2514	return -EINVAL;
		2515
428	giacomo	2516	switch (f->type) {
		2517	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		2518	break;
		2519	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
		2520	if (!(bttv_formats[i].flags & FORMAT_FLAGS_PACKED))
		2521	return -EINVAL;
		2522	break;
		2523	default:
		2524	return -EINVAL;
170	giacomo	2525	}
428	giacomo	2526	memset(f,0,sizeof(*f));
		2527	f->index = index;
		2528	f->type = type;
		2529	f->pixelformat = bttv_formats[i].fourcc;
516	giacomo	2530	strncpy(f->description,bttv_formats[i].name,sizeof(f->description));
428	giacomo	2531	return 0;
170	giacomo	2532	}
428	giacomo	2533
		2534	case VIDIOC_TRY_FMT:
170	giacomo	2535	{
428	giacomo	2536	struct v4l2_format *f = arg;
		2537	return bttv_try_fmt(fh,btv,f);
170	giacomo	2538	}
428	giacomo	2539	case VIDIOC_G_FMT:
170	giacomo	2540	{
428	giacomo	2541	struct v4l2_format *f = arg;
		2542	return bttv_g_fmt(fh,f);
170	giacomo	2543	}
428	giacomo	2544	case VIDIOC_S_FMT:
170	giacomo	2545	{
428	giacomo	2546	struct v4l2_format *f = arg;
		2547	return bttv_s_fmt(fh,btv,f);
		2548	}
		2549
		2550	case VIDIOC_G_FBUF:
		2551	{
		2552	struct v4l2_framebuffer *fb = arg;
		2553
		2554	*fb = btv->fbuf;
		2555	fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
		2556	if (fh->ovfmt)
		2557	fb->fmt.pixelformat = fh->ovfmt->fourcc;
170	giacomo	2558	return 0;
		2559	}
428	giacomo	2560	case VIDIOC_S_FBUF:
170	giacomo	2561	{
428	giacomo	2562	struct v4l2_framebuffer *fb = arg;
		2563	const struct bttv_format *fmt;
170	giacomo	2564
428	giacomo	2565	if(!capable(CAP_SYS_ADMIN) &&
		2566	!capable(CAP_SYS_RAWIO))
		2567	return -EPERM;
170	giacomo	2568
428	giacomo	2569	/* check args */
		2570	fmt = format_by_fourcc(fb->fmt.pixelformat);
		2571	if (NULL == fmt)
		2572	return -EINVAL;
		2573	if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
		2574	return -EINVAL;
		2575
480	giacomo	2576	//down(&fh->cap.lock);
428	giacomo	2577	retval = -EINVAL;
		2578	if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
		2579	if (fb->fmt.width > bttv_tvnorms[btv->tvnorm].swidth)
		2580	goto fh_unlock_and_return;
		2581	if (fb->fmt.height > bttv_tvnorms[btv->tvnorm].sheight)
		2582	goto fh_unlock_and_return;
		2583	}
		2584
		2585	/* ok, accept it */
		2586	btv->fbuf.base = fb->base;
		2587	btv->fbuf.fmt.width = fb->fmt.width;
		2588	btv->fbuf.fmt.height = fb->fmt.height;
		2589	if (0 != fb->fmt.bytesperline)
		2590	btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
		2591	else
		2592	btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8;
		2593
		2594	retval = 0;
		2595	fh->ovfmt = fmt;
		2596	btv->init.ovfmt = fmt;
		2597	if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
		2598	fh->ov.w.left = 0;
		2599	fh->ov.w.top = 0;
		2600	fh->ov.w.width = fb->fmt.width;
		2601	fh->ov.w.height = fb->fmt.height;
		2602	btv->init.ov.w.width = fb->fmt.width;
		2603	btv->init.ov.w.height = fb->fmt.height;
		2604	if (fh->ov.clips)
		2605	kfree(fh->ov.clips);
		2606	fh->ov.clips = NULL;
		2607	fh->ov.nclips = 0;
		2608
		2609	if (check_btres(fh, RESOURCE_OVERLAY)) {
		2610	struct bttv_buffer *new;
		2611
		2612	new = videobuf_alloc(sizeof(*new));
		2613	bttv_overlay_risc(btv,&fh->ov,fh->ovfmt,new);
		2614	retval = bttv_switch_overlay(btv,fh,new);
		2615	}
		2616	}
480	giacomo	2617	//up(&fh->cap.lock);
428	giacomo	2618	return retval;
170	giacomo	2619	}
		2620
428	giacomo	2621	case VIDIOC_REQBUFS:
		2622	return videobuf_reqbufs(file,bttv_queue(fh),arg);
		2623
		2624	case VIDIOC_QUERYBUF:
		2625	return videobuf_querybuf(bttv_queue(fh),arg);
		2626
		2627	case VIDIOC_QBUF:
		2628	return videobuf_qbuf(file,bttv_queue(fh),arg);
		2629
		2630	case VIDIOC_DQBUF:
		2631	return videobuf_dqbuf(file,bttv_queue(fh),arg);
		2632
		2633	case VIDIOC_STREAMON:
170	giacomo	2634	{
428	giacomo	2635	int res = bttv_resource(fh);
		2636
		2637	if (!check_alloc_btres(btv,fh,res))
		2638	return -EBUSY;
		2639	return videobuf_streamon(file,bttv_queue(fh));
170	giacomo	2640	}
428	giacomo	2641	case VIDIOC_STREAMOFF:
170	giacomo	2642	{
428	giacomo	2643	int res = bttv_resource(fh);
		2644
		2645	retval = videobuf_streamoff(file,bttv_queue(fh));
		2646	if (retval < 0)
		2647	return retval;
		2648	free_btres(btv,fh,res);
170	giacomo	2649	return 0;
		2650	}
428	giacomo	2651
		2652	case VIDIOC_QUERYCTRL:
170	giacomo	2653	{
428	giacomo	2654	struct v4l2_queryctrl *c = arg;
		2655	int i;
		2656
		2657	if ((c->id < V4L2_CID_BASE \|\|
		2658	c->id >= V4L2_CID_LASTP1) &&
		2659	(c->id < V4L2_CID_PRIVATE_BASE \|\|
		2660	c->id >= V4L2_CID_PRIVATE_LASTP1))
		2661	return -EINVAL;
		2662	for (i = 0; i < BTTV_CTLS; i++)
		2663	if (bttv_ctls[i].id == c->id)
		2664	break;
		2665	if (i == BTTV_CTLS) {
		2666	*c = no_ctl;
		2667	return 0;
		2668	}
		2669	*c = bttv_ctls[i];
		2670	if (i >= 4 && i <= 8) {
		2671	struct video_audio va;
		2672	memset(&va,0,sizeof(va));
		2673	bttv_call_i2c_clients(btv, VIDIOCGAUDIO, &va);
		2674	if (btv->audio_hook)
		2675	btv->audio_hook(btv,&va,0);
		2676	switch (bttv_ctls[i].id) {
		2677	case V4L2_CID_AUDIO_VOLUME:
		2678	if (!(va.flags & VIDEO_AUDIO_VOLUME))
		2679	*c = no_ctl;
		2680	break;
		2681	case V4L2_CID_AUDIO_BALANCE:
		2682	if (!(va.flags & VIDEO_AUDIO_BALANCE))
		2683	*c = no_ctl;
		2684	break;
		2685	case V4L2_CID_AUDIO_BASS:
		2686	if (!(va.flags & VIDEO_AUDIO_BASS))
		2687	*c = no_ctl;
		2688	break;
		2689	case V4L2_CID_AUDIO_TREBLE:
		2690	if (!(va.flags & VIDEO_AUDIO_TREBLE))
		2691	*c = no_ctl;
		2692	break;
		2693	}
		2694	}
170	giacomo	2695	return 0;
		2696	}
428	giacomo	2697	case VIDIOC_G_CTRL:
		2698	return get_control(btv,arg);
		2699	case VIDIOC_S_CTRL:
		2700	return set_control(btv,arg);
		2701	case VIDIOC_G_PARM:
170	giacomo	2702	{
428	giacomo	2703	struct v4l2_streamparm *parm = arg;
		2704	struct v4l2_standard s;
		2705	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
		2706	return -EINVAL;
		2707	memset(parm,0,sizeof(*parm));
516	giacomo	2708	//v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id,
		2709	// bttv_tvnorms[btv->tvnorm].name);
428	giacomo	2710	parm->parm.capture.timeperframe = s.frameperiod;
170	giacomo	2711	return 0;
		2712	}
		2713
428	giacomo	2714	#ifdef VIDIOC_G_PRIORITY
		2715	case VIDIOC_G_PRIORITY:
170	giacomo	2716	{
428	giacomo	2717	enum v4l2_priority *p = arg;
170	giacomo	2718
428	giacomo	2719	*p = v4l2_prio_max(&btv->prio);
170	giacomo	2720	return 0;
		2721	}
428	giacomo	2722	case VIDIOC_S_PRIORITY:
170	giacomo	2723	{
428	giacomo	2724	enum v4l2_priority *prio = arg;
		2725
		2726	return v4l2_prio_change(&btv->prio, &fh->prio, *prio);
170	giacomo	2727	}
428	giacomo	2728	#endif
170	giacomo	2729
428	giacomo	2730
		2731	case VIDIOC_ENUMSTD:
		2732	case VIDIOC_G_STD:
		2733	case VIDIOC_S_STD:
		2734	case VIDIOC_ENUMINPUT:
		2735	case VIDIOC_G_INPUT:
		2736	case VIDIOC_S_INPUT:
		2737	case VIDIOC_G_TUNER:
		2738	case VIDIOC_S_TUNER:
		2739	case VIDIOC_G_FREQUENCY:
		2740	case VIDIOC_S_FREQUENCY:
		2741	return bttv_common_ioctls(btv,cmd,arg);
		2742
170	giacomo	2743	default:
428	giacomo	2744	return -ENOIOCTLCMD;
170	giacomo	2745	}
		2746	return 0;
428	giacomo	2747
		2748	fh_unlock_and_return:
480	giacomo	2749	//up(&fh->cap.lock);
428	giacomo	2750	return retval;
170	giacomo	2751	}
		2752
516	giacomo	2753	int bttv_ioctl(struct inode inode, struct file file,
428	giacomo	2754	unsigned int cmd, unsigned long arg)
170	giacomo	2755	{
428	giacomo	2756	struct bttv_fh *fh = file->private_data;
		2757
		2758	switch (cmd) {
		2759	case BTTV_VBISIZE:
		2760	bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE);
		2761	return fh->lines * 2 * 2048;
		2762	default:
516	giacomo	2763	return 0;//video_usercopy(inode, file, cmd, arg, bttv_do_ioctl);
170	giacomo	2764	}
428	giacomo	2765	}
170	giacomo	2766
516	giacomo	2767	ssize_t bttv_read(struct file file, char data,
428	giacomo	2768	size_t count, loff_t *ppos)
		2769	{
		2770	struct bttv_fh *fh = file->private_data;
		2771	int retval = 0;
170	giacomo	2772
428	giacomo	2773	if (fh->btv->errors)
		2774	bttv_reinit_bt848(fh->btv);
516	giacomo	2775	//dprintk("bttv%d: read count=%d type=%s\n",
		2776	// fh->btv->nr,(int)count,v4l2_type_names[fh->type]);
170	giacomo	2777
428	giacomo	2778	switch (fh->type) {
		2779	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		2780	if (locked_btres(fh->btv,RESOURCE_VIDEO))
		2781	return -EBUSY;
		2782	retval = videobuf_read_one(file, &fh->cap, data, count, ppos);
		2783	break;
		2784	case V4L2_BUF_TYPE_VBI_CAPTURE:
		2785	if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
		2786	return -EBUSY;
		2787	retval = videobuf_read_stream(file, &fh->vbi, data, count, ppos, 1);
		2788	break;
		2789	default:
		2790	BUG();
170	giacomo	2791	}
428	giacomo	2792	return retval;
		2793	}
170	giacomo	2794
491	giacomo	2795	/*
428	giacomo	2796	static unsigned int bttv_poll(struct file file, poll_table wait)
		2797	{
		2798	struct bttv_fh *fh = file->private_data;
		2799	struct bttv_buffer *buf;
		2800	enum v4l2_field field;
		2801
		2802	if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
		2803	if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
		2804	return -EBUSY;
		2805	return videobuf_poll_stream(file, &fh->vbi, wait);
		2806	}
		2807
		2808	if (check_btres(fh,RESOURCE_VIDEO)) {
		2809	if (list_empty(&fh->cap.stream))
		2810	return POLLERR;
		2811	buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
170	giacomo	2812	} else {
480	giacomo	2813	//down(&fh->cap.lock);
428	giacomo	2814	if (NULL == fh->cap.read_buf) {
		2815	if (locked_btres(fh->btv,RESOURCE_VIDEO)) {
480	giacomo	2816	//up(&fh->cap.lock);
428	giacomo	2817	return POLLERR;
		2818	}
		2819	fh->cap.read_buf = videobuf_alloc(fh->cap.msize);
		2820	if (NULL == fh->cap.read_buf) {
480	giacomo	2821	//up(&fh->cap.lock);
428	giacomo	2822	return POLLERR;
		2823	}
		2824	fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
		2825	field = videobuf_next_field(&fh->cap);
		2826	if (0 != fh->cap.ops->buf_prepare(file,fh->cap.read_buf,field)) {
480	giacomo	2827	//up(&fh->cap.lock);
428	giacomo	2828	return POLLERR;
		2829	}
		2830	fh->cap.ops->buf_queue(file,fh->cap.read_buf);
		2831	fh->cap.read_off = 0;
		2832	}
480	giacomo	2833	//up(&fh->cap.lock);
428	giacomo	2834	buf = (struct bttv_buffer*)fh->cap.read_buf;
170	giacomo	2835	}
428	giacomo	2836
491	giacomo	2837	//poll_wait(file, &buf->vb.done, wait);
428	giacomo	2838	if (buf->vb.state == STATE_DONE \|\|
		2839	buf->vb.state == STATE_ERROR)
		2840	return POLLIN\|POLLRDNORM;
		2841	return 0;
		2842	}
491	giacomo	2843	*/
170	giacomo	2844
516	giacomo	2845	int bttv_open(struct inode inode, struct file file)
428	giacomo	2846	{
		2847	int minor = iminor(inode);
		2848	struct bttv *btv = NULL;
		2849	struct bttv_fh *fh;
		2850	enum v4l2_buf_type type = 0;
		2851	unsigned int i;
170	giacomo	2852
428	giacomo	2853	dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor);
170	giacomo	2854
428	giacomo	2855	for (i = 0; i < bttv_num; i++) {
		2856	if (bttvs[i].video_dev->minor == minor) {
		2857	btv = &bttvs[i];
		2858	type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
		2859	break;
		2860	}
		2861	if (bttvs[i].vbi_dev->minor == minor) {
		2862	btv = &bttvs[i];
		2863	type = V4L2_BUF_TYPE_VBI_CAPTURE;
		2864	break;
		2865	}
170	giacomo	2866	}
428	giacomo	2867	if (NULL == btv)
		2868	return -ENODEV;
170	giacomo	2869
516	giacomo	2870	//dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n",
		2871	// btv->nr,v4l2_type_names[type]);
428	giacomo	2872
		2873	/* allocate per filehandle data */
		2874	fh = kmalloc(sizeof(*fh),GFP_KERNEL);
		2875	if (NULL == fh)
		2876	return -ENOMEM;
		2877	file->private_data = fh;
		2878	*fh = btv->init;
		2879	fh->type = type;
		2880	fh->ov.setup_ok = 0;
		2881	#ifdef VIDIOC_G_PRIORITY
		2882	v4l2_prio_open(&btv->prio,&fh->prio);
		2883	#endif
516	giacomo	2884
428	giacomo	2885	videobuf_queue_init(&fh->cap, &bttv_video_qops,
		2886	btv->dev, &btv->s_lock,
		2887	V4L2_BUF_TYPE_VIDEO_CAPTURE,
		2888	V4L2_FIELD_INTERLACED,
		2889	sizeof(struct bttv_buffer));
516	giacomo	2890	/*
428	giacomo	2891	videobuf_queue_init(&fh->vbi, &bttv_vbi_qops,
		2892	btv->dev, &btv->s_lock,
		2893	V4L2_BUF_TYPE_VBI_CAPTURE,
		2894	V4L2_FIELD_SEQ_TB,
		2895	sizeof(struct bttv_buffer));
516	giacomo	2896	*/
428	giacomo	2897	i2c_vidiocschan(btv);
		2898
		2899	btv->users++;
516	giacomo	2900	//if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
		2901	//bttv_vbi_setlines(fh,btv,16);
428	giacomo	2902	bttv_field_count(btv);
		2903	return 0;
		2904	}
		2905
516	giacomo	2906	int bttv_release(struct inode inode, struct file file)
428	giacomo	2907	{
		2908	struct bttv_fh *fh = file->private_data;
		2909	struct bttv *btv = fh->btv;
		2910
		2911	/* turn off overlay */
		2912	if (check_btres(fh, RESOURCE_OVERLAY))
		2913	bttv_switch_overlay(btv,fh,NULL);
		2914
		2915	/* stop video capture */
		2916	if (check_btres(fh, RESOURCE_VIDEO)) {
		2917	videobuf_streamoff(file,&fh->cap);
		2918	free_btres(btv,fh,RESOURCE_VIDEO);
170	giacomo	2919	}
428	giacomo	2920	if (fh->cap.read_buf) {
		2921	buffer_release(file,fh->cap.read_buf);
		2922	kfree(fh->cap.read_buf);
		2923	}
170	giacomo	2924
428	giacomo	2925	/* stop vbi capture */
		2926	if (check_btres(fh, RESOURCE_VBI)) {
		2927	if (fh->vbi.streaming)
		2928	videobuf_streamoff(file,&fh->vbi);
		2929	if (fh->vbi.reading)
		2930	videobuf_read_stop(file,&fh->vbi);
		2931	free_btres(btv,fh,RESOURCE_VBI);
170	giacomo	2932	}
		2933
428	giacomo	2934	#ifdef VIDIOC_G_PRIORITY
		2935	v4l2_prio_close(&btv->prio,&fh->prio);
		2936	#endif
		2937	file->private_data = NULL;
		2938	kfree(fh);
		2939
		2940	btv->users--;
		2941	bttv_field_count(btv);
		2942	return 0;
170	giacomo	2943	}
		2944
516	giacomo	2945	int
428	giacomo	2946	bttv_mmap(struct file file, struct vm_area_struct vma)
170	giacomo	2947	{
428	giacomo	2948	struct bttv_fh *fh = file->private_data;
170	giacomo	2949
516	giacomo	2950	//dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n",
		2951	// fh->btv->nr, v4l2_type_names[fh->type],
		2952	// vma->vm_start, vma->vm_end - vma->vm_start);
428	giacomo	2953	return videobuf_mmap_mapper(vma,bttv_queue(fh));
		2954	}
516	giacomo	2955	/*
428	giacomo	2956	static struct file_operations bttv_fops =
		2957	{
		2958	.owner = THIS_MODULE,
		2959	.open = bttv_open,
		2960	.release = bttv_release,
		2961	.ioctl = bttv_ioctl,
		2962	.llseek = no_llseek,
		2963	.read = bttv_read,
		2964	.mmap = bttv_mmap,
		2965	};
516	giacomo	2966	*/
		2967	/*
428	giacomo	2968	static struct video_device bttv_video_template =
		2969	{
		2970	.name = "UNSET",
		2971	.type = VID_TYPE_CAPTURE\|VID_TYPE_TUNER\|VID_TYPE_OVERLAY\|
		2972	VID_TYPE_CLIPPING\|VID_TYPE_SCALES,
		2973	.hardware = VID_HARDWARE_BT848,
		2974	.fops = &bttv_fops,
		2975	.minor = -1,
		2976	};
170	giacomo	2977
428	giacomo	2978	struct video_device bttv_vbi_template =
		2979	{
		2980	.name = "bt848/878 vbi",
		2981	.type = VID_TYPE_TUNER\|VID_TYPE_TELETEXT,
		2982	.hardware = VID_HARDWARE_BT848,
		2983	.fops = &bttv_fops,
		2984	.minor = -1,
		2985	};
516	giacomo	2986	*/
428	giacomo	2987	/* ----------------------------------------------------------------------- */
		2988	/* radio interface */
170	giacomo	2989
516	giacomo	2990	int radio_open(struct inode inode, struct file file)
428	giacomo	2991	{
		2992	int minor = iminor(inode);
		2993	struct bttv *btv = NULL;
		2994	unsigned int i;
170	giacomo	2995
428	giacomo	2996	dprintk("bttv: open minor=%d\n",minor);
170	giacomo	2997
428	giacomo	2998	for (i = 0; i < bttv_num; i++) {
		2999	if (bttvs[i].radio_dev->minor == minor) {
		3000	btv = &bttvs[i];
		3001	break;
		3002	}
		3003	}
		3004	if (NULL == btv)
		3005	return -ENODEV;
170	giacomo	3006
428	giacomo	3007	dprintk("bttv%d: open called (radio)\n",btv->nr);
480	giacomo	3008	//down(&btv->lock);
428	giacomo	3009	if (btv->radio_user) {
480	giacomo	3010	//up(&btv->lock);
428	giacomo	3011	return -EBUSY;
		3012	}
		3013	btv->radio_user++;
		3014	file->private_data = btv;
170	giacomo	3015
428	giacomo	3016	i2c_vidiocschan(btv);
		3017	bttv_call_i2c_clients(btv,AUDC_SET_RADIO,&btv->tuner_type);
		3018	audio_mux(btv,AUDIO_RADIO);
		3019
480	giacomo	3020	//up(&btv->lock);
428	giacomo	3021	return 0;
		3022	}
		3023
516	giacomo	3024	int radio_release(struct inode inode, struct file file)
428	giacomo	3025	{
		3026	struct bttv *btv = file->private_data;
		3027
		3028	btv->radio_user--;
		3029	return 0;
		3030	}
		3031
516	giacomo	3032	int radio_do_ioctl(struct inode inode, struct file file,
428	giacomo	3033	unsigned int cmd, void *arg)
		3034	{
		3035	struct bttv *btv = file->private_data;
		3036
		3037	switch (cmd) {
		3038	case VIDIOCGCAP:
		3039	{
		3040	struct video_capability *cap = arg;
		3041
		3042	memset(cap,0,sizeof(*cap));
		3043	strcpy(cap->name,btv->radio_dev->name);
		3044	cap->type = VID_TYPE_TUNER;
		3045	cap->channels = 1;
		3046	cap->audios = 1;
		3047	return 0;
170	giacomo	3048	}
428	giacomo	3049
		3050	case VIDIOCGTUNER:
		3051	{
		3052	struct video_tuner *v = arg;
		3053
		3054	if(v->tuner)
		3055	return -EINVAL;
		3056	memset(v,0,sizeof(*v));
		3057	strcpy(v->name, "Radio");
		3058	/* japan: 76.0 MHz - 89.9 MHz
		3059	western europe: 87.5 MHz - 108.0 MHz
		3060	russia: 65.0 MHz - 108.0 MHz */
		3061	v->rangelow=(int)(65*16);
		3062	v->rangehigh=(int)(108*16);
		3063	bttv_call_i2c_clients(btv,cmd,v);
		3064	return 0;
		3065	}
		3066	case VIDIOCSTUNER:
		3067	/* nothing to do */
		3068	return 0;
170	giacomo	3069
428	giacomo	3070	case BTTV_VERSION:
		3071	case VIDIOCGFREQ:
		3072	case VIDIOCSFREQ:
		3073	case VIDIOCGAUDIO:
		3074	case VIDIOCSAUDIO:
		3075	return bttv_common_ioctls(btv,cmd,arg);
170	giacomo	3076
428	giacomo	3077	default:
		3078	return -ENOIOCTLCMD;
		3079	}
		3080	return 0;
		3081	}
170	giacomo	3082
516	giacomo	3083	int radio_ioctl(struct inode inode, struct file file,
428	giacomo	3084	unsigned int cmd, unsigned long arg)
		3085	{
516	giacomo	3086	return 0;//video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
428	giacomo	3087	}
516	giacomo	3088	/*
428	giacomo	3089	static struct file_operations radio_fops =
		3090	{
		3091	.owner = THIS_MODULE,
		3092	.open = radio_open,
		3093	.release = radio_release,
		3094	.ioctl = radio_ioctl,
		3095	.llseek = no_llseek,
		3096	};
516	giacomo	3097	*/
		3098	/*
428	giacomo	3099	static struct video_device radio_template =
		3100	{
		3101	.name = "bt848/878 radio",
		3102	.type = VID_TYPE_TUNER,
		3103	.hardware = VID_HARDWARE_BT848,
		3104	.fops = &radio_fops,
		3105	.minor = -1,
		3106	};
516	giacomo	3107	*/
428	giacomo	3108	/* ----------------------------------------------------------------------- */
		3109	/* irq handler */
170	giacomo	3110
428	giacomo	3111	static char *irq_name[] = { "FMTCHG", "VSYNC", "HSYNC", "OFLOW", "HLOCK",
		3112	"VPRES", "6", "7", "I2CDONE", "GPINT", "10",
		3113	"RISCI", "FBUS", "FTRGT", "FDSR", "PPERR",
		3114	"RIPERR", "PABORT", "OCERR", "SCERR" };
170	giacomo	3115
428	giacomo	3116	static void bttv_print_irqbits(u32 print, u32 mark)
		3117	{
		3118	unsigned int i;
		3119
		3120	printk("bits:");
		3121	for (i = 0; i < ARRAY_SIZE(irq_name); i++) {
		3122	if (print & (1 << i))
		3123	printk(" %s",irq_name[i]);
		3124	if (mark & (1 << i))
		3125	printk("*");
170	giacomo	3126	}
428	giacomo	3127	}
170	giacomo	3128
428	giacomo	3129	static void bttv_print_riscaddr(struct bttv *btv)
		3130	{
		3131	printk(" main: %08Lx\n",
		3132	(unsigned long long)btv->main.dma);
		3133	printk(" vbi : o=%08Lx e=%08Lx\n",
		3134	btv->curr.vbi ? (unsigned long long)btv->curr.vbi->top.dma : 0,
		3135	btv->curr.vbi ? (unsigned long long)btv->curr.vbi->bottom.dma : 0);
		3136	printk(" cap : o=%08Lx e=%08Lx\n",
		3137	btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0,
		3138	btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0);
		3139	printk(" scr : o=%08Lx e=%08Lx\n",
		3140	btv->screen ? (unsigned long long)btv->screen->top.dma : 0,
		3141	btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0);
		3142	}
170	giacomo	3143
428	giacomo	3144	static int
		3145	bttv_irq_next_set(struct bttv btv, struct bttv_buffer_set set)
		3146	{
		3147	struct bttv_buffer *item;
170	giacomo	3148
428	giacomo	3149	memset(set,0,sizeof(*set));
170	giacomo	3150
428	giacomo	3151	/* vbi request ? */
		3152	if (!list_empty(&btv->vcapture)) {
		3153	set->irqflags = 1;
		3154	set->vbi = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
		3155	}
170	giacomo	3156
428	giacomo	3157	/* capture request ? */
		3158	if (!list_empty(&btv->capture)) {
		3159	set->irqflags = 1;
		3160	item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
		3161	if (V4L2_FIELD_HAS_TOP(item->vb.field))
		3162	set->top = item;
		3163	if (V4L2_FIELD_HAS_BOTTOM(item->vb.field))
		3164	set->bottom = item;
170	giacomo	3165
428	giacomo	3166	/* capture request for other field ? */
		3167	if (!V4L2_FIELD_HAS_BOTH(item->vb.field) &&
		3168	(item->vb.queue.next != &btv->capture)) {
		3169	item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue);
		3170	if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) {
		3171	if (NULL == set->top &&
		3172	V4L2_FIELD_TOP == item->vb.field) {
		3173	set->top = item;
		3174	}
		3175	if (NULL == set->bottom &&
		3176	V4L2_FIELD_BOTTOM == item->vb.field) {
		3177	set->bottom = item;
		3178	}
		3179	if (NULL != set->top && NULL != set->bottom)
		3180	set->topirq = 2;
		3181	}
		3182	}
		3183	}
170	giacomo	3184
428	giacomo	3185	/* screen overlay ? */
		3186	if (NULL != btv->screen) {
		3187	if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) {
		3188	if (NULL == set->top && NULL == set->bottom) {
		3189	set->top = btv->screen;
		3190	set->bottom = btv->screen;
		3191	}
		3192	} else {
		3193	if (V4L2_FIELD_TOP == btv->screen->vb.field &&
		3194	NULL == set->top) {
		3195	set->top = btv->screen;
		3196	}
		3197	if (V4L2_FIELD_BOTTOM == btv->screen->vb.field &&
		3198	NULL == set->bottom) {
		3199	set->bottom = btv->screen;
		3200	}
		3201	}
		3202	}
170	giacomo	3203
428	giacomo	3204	dprintk("bttv%d: next set: top=%p bottom=%p vbi=%p "
		3205	"[screen=%p,irq=%d,%d]\n",
		3206	btv->nr,set->top, set->bottom, set->vbi,
		3207	btv->screen,set->irqflags,set->topirq);
170	giacomo	3208	return 0;
		3209	}
		3210
428	giacomo	3211	static void
		3212	bttv_irq_wakeup_set(struct bttv btv, struct bttv_buffer_set wakeup,
		3213	struct bttv_buffer_set *curr, unsigned int state)
		3214	{
		3215	struct timeval ts;
170	giacomo	3216
516	giacomo	3217	//do_gettimeofday(&ts);
170	giacomo	3218
428	giacomo	3219	if (NULL != wakeup->vbi) {
		3220	wakeup->vbi->vb.ts = ts;
		3221	wakeup->vbi->vb.field_count = btv->field_count;
		3222	wakeup->vbi->vb.state = state;
491	giacomo	3223	//wake_up(&wakeup->vbi->vb.done);
428	giacomo	3224	}
		3225	if (wakeup->top == wakeup->bottom) {
		3226	if (NULL != wakeup->top && curr->top != wakeup->top) {
		3227	if (irq_debug > 1)
		3228	printk("bttv%d: wakeup: both=%p\n",btv->nr,wakeup->top);
		3229	wakeup->top->vb.ts = ts;
		3230	wakeup->top->vb.field_count = btv->field_count;
		3231	wakeup->top->vb.state = state;
491	giacomo	3232	//wake_up(&wakeup->top->vb.done);
428	giacomo	3233	}
		3234	} else {
		3235	if (NULL != wakeup->top && curr->top != wakeup->top) {
		3236	if (irq_debug > 1)
		3237	printk("bttv%d: wakeup: top=%p\n",btv->nr,wakeup->top);
		3238	wakeup->top->vb.ts = ts;
		3239	wakeup->top->vb.field_count = btv->field_count;
		3240	wakeup->top->vb.state = state;
491	giacomo	3241	//wake_up(&wakeup->top->vb.done);
428	giacomo	3242	}
		3243	if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) {
		3244	if (irq_debug > 1)
		3245	printk("bttv%d: wakeup: bottom=%p\n",btv->nr,wakeup->bottom);
		3246	wakeup->bottom->vb.ts = ts;
		3247	wakeup->bottom->vb.field_count = btv->field_count;
		3248	wakeup->bottom->vb.state = state;
491	giacomo	3249	//wake_up(&wakeup->bottom->vb.done);
428	giacomo	3250	}
		3251	}
		3252	}
		3253
		3254	static void bttv_irq_timeout(unsigned long data)
170	giacomo	3255	{
428	giacomo	3256	struct bttv btv = (struct bttv )data;
		3257	struct bttv_buffer_set old,new;
		3258	struct bttv_buffer *item;
		3259
		3260	if (bttv_verbose) {
		3261	printk(KERN_INFO "bttv%d: timeout: risc=%08x, ",
		3262	btv->nr,btread(BT848_RISC_COUNT));
		3263	bttv_print_irqbits(btread(BT848_INT_STAT),0);
		3264	printk("\n");
		3265	}
		3266
		3267	spin_lock(&btv->s_lock);
		3268
		3269	/* deactivate stuff */
		3270	memset(&new,0,sizeof(new));
		3271	old = btv->curr;
		3272	btv->curr = new;
		3273	bttv_buffer_set_activate(btv, &new);
		3274	bttv_set_dma(btv, 0, 0);
		3275
		3276	/* wake up */
		3277	bttv_irq_wakeup_set(btv, &old, &new, STATE_ERROR);
		3278
		3279	/* cancel all outstanding capture / vbi requests */
		3280	while (!list_empty(&btv->capture)) {
		3281	item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
		3282	list_del(&item->vb.queue);
		3283	item->vb.state = STATE_ERROR;
491	giacomo	3284	//wake_up(&item->vb.done);
428	giacomo	3285	}
		3286	while (!list_empty(&btv->vcapture)) {
		3287	item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
		3288	list_del(&item->vb.queue);
		3289	item->vb.state = STATE_ERROR;
491	giacomo	3290	//wake_up(&item->vb.done);
428	giacomo	3291	}
		3292
		3293	btv->errors++;
		3294	spin_unlock(&btv->s_lock);
		3295	}
		3296
		3297	static void
		3298	bttv_irq_wakeup_top(struct bttv *btv)
		3299	{
		3300	struct bttv_buffer *wakeup = btv->curr.top;
		3301
		3302	if (NULL == wakeup)
		3303	return;
		3304
		3305	spin_lock(&btv->s_lock);
		3306	btv->curr.topirq = 0;
		3307	btv->curr.top = NULL;
		3308	bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0);
		3309
516	giacomo	3310	//do_gettimeofday(&wakeup->vb.ts);
428	giacomo	3311	wakeup->vb.field_count = btv->field_count;
		3312	wakeup->vb.state = STATE_DONE;
491	giacomo	3313	//wake_up(&wakeup->vb.done);
428	giacomo	3314	spin_unlock(&btv->s_lock);
		3315	}
		3316
		3317	static void
		3318	bttv_irq_switch_fields(struct bttv *btv)
		3319	{
		3320	struct bttv_buffer_set new;
		3321	struct bttv_buffer_set old;
		3322	dma_addr_t rc;
		3323
		3324	spin_lock(&btv->s_lock);
		3325
		3326	/* new buffer set */
		3327	bttv_irq_next_set(btv, &new);
		3328	rc = btread(BT848_RISC_COUNT);
		3329	if (rc < btv->main.dma \|\| rc > btv->main.dma + 0x100) {
		3330	if (1 /* irq_debug */)
		3331	printk("bttv%d: skipped frame. no signal? high irq latency?\n",
		3332	btv->nr);
		3333	spin_unlock(&btv->s_lock);
		3334	return;
		3335	}
		3336
		3337	/* switch over */
		3338	old = btv->curr;
		3339	btv->curr = new;
		3340	bttv_buffer_set_activate(btv, &new);
		3341	bttv_set_dma(btv, 0, new.irqflags);
		3342
		3343	/* switch input */
		3344	if (UNSET != btv->new_input) {
516	giacomo	3345	//video_mux(btv,btv->new_input);
428	giacomo	3346	btv->new_input = UNSET;
		3347	}
		3348
		3349	/* wake up finished buffers */
		3350	bttv_irq_wakeup_set(btv, &old, &new, STATE_DONE);
		3351	spin_unlock(&btv->s_lock);
		3352	}
		3353
		3354	static irqreturn_t bttv_irq(int irq, void dev_id, struct pt_regs regs)
		3355	{
170	giacomo	3356	u32 stat,astat;
		3357	u32 dstat;
		3358	int count;
428	giacomo	3359	struct bttv *btv;
		3360	int handled = 0;
170	giacomo	3361
428	giacomo	3362	btv=(struct bttv *)dev_id;
170	giacomo	3363	count=0;
428	giacomo	3364	while (1) {
170	giacomo	3365	/* get/clear interrupt status bits */
		3366	stat=btread(BT848_INT_STAT);
		3367	astat=stat&btread(BT848_INT_MASK);
428	giacomo	3368	if (!astat)
		3369	break;
		3370	handled = 1;
170	giacomo	3371	btwrite(stat,BT848_INT_STAT);
		3372
		3373	/* get device status bits */
		3374	dstat=btread(BT848_DSTATUS);
		3375
		3376	if (irq_debug) {
428	giacomo	3377	printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d "
		3378	"riscs=%x, riscc=%08x, ",
		3379	btv->nr, count, btv->field_count,
		3380	stat>>28, btread(BT848_RISC_COUNT));
		3381	bttv_print_irqbits(stat,astat);
170	giacomo	3382	if (stat & BT848_INT_HLOCK)
428	giacomo	3383	printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC)
170	giacomo	3384	? "yes" : "no");
		3385	if (stat & BT848_INT_VPRES)
428	giacomo	3386	printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES)
170	giacomo	3387	? "yes" : "no");
		3388	if (stat & BT848_INT_FMTCHG)
428	giacomo	3389	printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML)
170	giacomo	3390	? "625" : "525");
428	giacomo	3391	printk("\n");
170	giacomo	3392	}
		3393
		3394	if (astat&BT848_INT_VSYNC)
428	giacomo	3395	btv->field_count++;
170	giacomo	3396
428	giacomo	3397	if (astat & BT848_INT_GPINT) {
		3398	#ifdef CONFIG_VIDEO_IR
		3399	if (btv->remote)
		3400	bttv_input_irq(btv);
		3401	#endif
491	giacomo	3402	//wake_up(&btv->gpioq);
170	giacomo	3403	}
		3404
428	giacomo	3405	if ((astat & BT848_INT_RISCI) && (stat & (2<<28)))
		3406	bttv_irq_wakeup_top(btv);
170	giacomo	3407
428	giacomo	3408	if ((astat & BT848_INT_RISCI) && (stat & (1<<28)))
		3409	bttv_irq_switch_fields(btv);
		3410
		3411	if ((astat & BT848_INT_HLOCK) && btv->opt_automute)
		3412	audio_mux(btv, -1);
		3413
		3414	if (astat & (BT848_INT_SCERR\|BT848_INT_OCERR)) {
		3415	printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->nr,
		3416	(astat & BT848_INT_SCERR) ? "SCERR" : "",
		3417	(astat & BT848_INT_OCERR) ? "OCERR" : "",
		3418	btread(BT848_RISC_COUNT));
		3419	bttv_print_irqbits(stat,astat);
		3420	printk("\n");
		3421	if (bttv_debug)
		3422	bttv_print_riscaddr(btv);
170	giacomo	3423	}
428	giacomo	3424	if (fdsr && astat & BT848_INT_FDSR) {
		3425	printk(KERN_INFO "bttv%d: FDSR @ %08x\n",
		3426	btv->nr,btread(BT848_RISC_COUNT));
		3427	if (bttv_debug)
		3428	bttv_print_riscaddr(btv);
		3429	}
170	giacomo	3430
		3431	count++;
428	giacomo	3432	if (count > 4) {
170	giacomo	3433	btwrite(0, BT848_INT_MASK);
428	giacomo	3434	printk(KERN_ERR
		3435	"bttv%d: IRQ lockup, cleared int mask [", btv->nr);
		3436	bttv_print_irqbits(stat,astat);
		3437	printk("]\n");
170	giacomo	3438	}
		3439	}
428	giacomo	3440	return IRQ_RETVAL(handled);
		3441	}
170	giacomo	3442
257	giacomo	3443
428	giacomo	3444	/* ----------------------------------------------------------------------- */
		3445	/* initialitation */
516	giacomo	3446	/*
428	giacomo	3447	static struct video_device vdev_init(struct bttv btv,
		3448	struct video_device *template,
		3449	char *type)
		3450	{
		3451	struct video_device *vfd;
		3452
		3453	vfd = video_device_alloc();
		3454	if (NULL == vfd)
		3455	return NULL;
		3456	vfd = template;
		3457	vfd->minor = -1;
		3458	vfd->dev = &btv->dev->dev;
		3459	vfd->release = video_device_release;
463	giacomo	3460	snprintf26(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)",
428	giacomo	3461	btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "",
		3462	type, bttv_tvcards[btv->type].name);
		3463	return vfd;
		3464	}
		3465
		3466	static void bttv_unregister_video(struct bttv *btv)
		3467	{
		3468	if (btv->video_dev) {
		3469	if (-1 != btv->video_dev->minor)
		3470	video_unregister_device(btv->video_dev);
		3471	else
		3472	video_device_release(btv->video_dev);
		3473	btv->video_dev = NULL;
		3474	}
		3475	if (btv->vbi_dev) {
		3476	if (-1 != btv->vbi_dev->minor)
		3477	video_unregister_device(btv->vbi_dev);
		3478	else
		3479	video_device_release(btv->vbi_dev);
		3480	btv->vbi_dev = NULL;
		3481	}
		3482	if (btv->radio_dev) {
		3483	if (-1 != btv->radio_dev->minor)
		3484	video_unregister_device(btv->radio_dev);
		3485	else
		3486	video_device_release(btv->radio_dev);
		3487	btv->radio_dev = NULL;
		3488	}
		3489	}
516	giacomo	3490	*/
428	giacomo	3491	/* register video4linux devices */
516	giacomo	3492	/*
428	giacomo	3493	static int __devinit bttv_register_video(struct bttv *btv)
		3494	{
		3495	btv->video_dev = vdev_init(btv, &bttv_video_template, "video");
		3496	if (NULL == btv->video_dev)
		3497	goto err;
		3498	if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0)
		3499	goto err;
		3500	printk(KERN_INFO "bttv%d: registered device video%d\n",
		3501	btv->nr,btv->video_dev->minor & 0x1f);
		3502	video_device_create_file(btv->video_dev, &class_device_attr_card);
		3503
		3504	btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi");
		3505	if (NULL == btv->vbi_dev)
		3506	goto err;
		3507	if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0)
		3508	goto err;
		3509	printk(KERN_INFO "bttv%d: registered device vbi%d\n",
		3510	btv->nr,btv->vbi_dev->minor & 0x1f);
		3511
		3512	if (!btv->has_radio)
		3513	return 0;
		3514	btv->radio_dev = vdev_init(btv, &radio_template, "radio");
		3515	if (NULL == btv->radio_dev)
		3516	goto err;
		3517	if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0)
		3518	goto err;
		3519	printk(KERN_INFO "bttv%d: registered device radio%d\n",
		3520	btv->nr,btv->radio_dev->minor & 0x1f);
		3521
		3522	return 0;
		3523
		3524	err:
		3525	bttv_unregister_video(btv);
		3526	return -1;
		3527	}
516	giacomo	3528	*/
428	giacomo	3529
		3530	/* on OpenFirmware machines (PowerMac at least), PCI memory cycle */
		3531	/* response on cards with no firmware is not enabled by OF */
		3532	static void pci_set_command(struct pci_dev *dev)
		3533	{
		3534	#if defined(__powerpc__)
		3535	unsigned int cmd;
170	giacomo	3536
428	giacomo	3537	pci_read_config_dword(dev, PCI_COMMAND, &cmd);
		3538	cmd = (cmd \| PCI_COMMAND_MEMORY );
		3539	pci_write_config_dword(dev, PCI_COMMAND, cmd);
		3540	#endif
170	giacomo	3541	}
		3542
428	giacomo	3543	static int __devinit bttv_probe(struct pci_dev *dev,
		3544	const struct pci_device_id *pci_id)
170	giacomo	3545	{
428	giacomo	3546	int result;
170	giacomo	3547	unsigned char lat;
428	giacomo	3548	struct bttv *btv;
		3549
170	giacomo	3550	if (bttv_num == BTTV_MAX)
		3551	return -ENOMEM;
		3552	printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num);
428	giacomo	3553	btv=&bttvs[bttv_num];
		3554	memset(btv,0,sizeof(*btv));
		3555	btv->nr = bttv_num;
463	giacomo	3556	sprintf26(btv->name,"bttv%d",btv->nr);
170	giacomo	3557
428	giacomo	3558	/* initialize structs / fill in defaults */
516	giacomo	3559	//init_MUTEX(&btv->lock);
		3560	//init_MUTEX(&btv->reslock);
428	giacomo	3561	btv->s_lock = SPIN_LOCK_UNLOCKED;
491	giacomo	3562	//init_waitqueue_head(&btv->gpioq);
428	giacomo	3563	INIT_LIST_HEAD(&btv->capture);
		3564	INIT_LIST_HEAD(&btv->vcapture);
		3565	#ifdef VIDIOC_G_PRIORITY
		3566	v4l2_prio_init(&btv->prio);
		3567	#endif
274	giacomo	3568
428	giacomo	3569	init_timer(&btv->timeout);
		3570	btv->timeout.function = bttv_irq_timeout;
		3571	btv->timeout.data = (unsigned long)btv;
		3572
		3573	btv->i2c_rc = -1;
		3574	btv->tuner_type = UNSET;
		3575	btv->pinnacle_id = UNSET;
		3576	btv->new_input = UNSET;
		3577	btv->has_radio=radio[btv->nr];
		3578
		3579	/* pci stuff (init, get irq/mmio, ... */
		3580	btv->dev = dev;
		3581	btv->id = dev->device;
		3582	if (pci_enable_device(dev)) {
		3583	printk(KERN_WARNING "bttv%d: Can't enable device.\n",
		3584	btv->nr);
		3585	return -EIO;
		3586	}
		3587	if (pci_set_dma_mask(dev, 0xffffffff)) {
		3588	printk(KERN_WARNING "bttv%d: No suitable DMA available.\n",
		3589	btv->nr);
		3590	return -EIO;
		3591	}
		3592	if (!request_mem_region(pci_resource_start(dev,0),
		3593	pci_resource_len(dev,0),
		3594	btv->name)) {
		3595	printk(KERN_WARNING "bttv%d: can't request iomem (0x%lx).\n",
		3596	btv->nr, pci_resource_start(dev,0));
		3597	return -EBUSY;
		3598	}
		3599	pci_set_master(dev);
		3600	pci_set_command(dev);
		3601	pci_set_drvdata(dev,btv);
		3602	if (!pci_dma_supported(dev,0xffffffff)) {
		3603	printk("bttv%d: Oops: no 32bit PCI DMA ???\n", btv->nr);
		3604	result = -EIO;
		3605	goto fail1;
		3606	}
170	giacomo	3607
428	giacomo	3608	pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision);
		3609	pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
		3610	printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ",
		3611	bttv_num,btv->id, btv->revision, pci_name(dev));
		3612	printk("irq: %d, latency: %d, mmio: 0x%lx\n",
		3613	btv->dev->irq, lat, pci_resource_start(dev,0));
491	giacomo	3614	//schedule();
428	giacomo	3615
		3616	btv->bt848_mmio=ioremap(pci_resource_start(dev,0), 0x1000);
		3617	if (NULL == ioremap(pci_resource_start(dev,0), 0x1000)) {
		3618	printk("bttv%d: ioremap() failed\n", btv->nr);
		3619	result = -EIO;
		3620	goto fail1;
170	giacomo	3621	}
		3622
428	giacomo	3623	/* identify card */
170	giacomo	3624	bttv_idcard(btv);
		3625
428	giacomo	3626	/* disable irqs, register irq handler */
170	giacomo	3627	btwrite(0, BT848_INT_MASK);
428	giacomo	3628	result = request_irq(btv->dev->irq, bttv_irq,
		3629	SA_SHIRQ \| SA_INTERRUPT,btv->name,(void *)btv);
		3630	if (result < 0) {
		3631	printk(KERN_ERR "bttv%d: can't get IRQ %d\n",
		3632	bttv_num,btv->dev->irq);
		3633	goto fail1;
		3634	}
170	giacomo	3635
428	giacomo	3636	if (0 != bttv_handle_chipset(btv)) {
		3637	result = -EIO;
		3638	goto fail2;
		3639	}
		3640
		3641	/* init options from insmod args */
		3642	btv->opt_combfilter = combfilter;
		3643	btv->opt_lumafilter = lumafilter;
		3644	btv->opt_automute = automute;
		3645	btv->opt_chroma_agc = chroma_agc;
		3646	btv->opt_adc_crush = adc_crush;
		3647	btv->opt_vcr_hack = vcr_hack;
170	giacomo	3648
428	giacomo	3649	/* fill struct bttv with some useful defaults */
		3650	btv->init.btv = btv;
		3651	btv->init.ov.w.width = 320;
		3652	btv->init.ov.w.height = 240;
		3653	btv->init.fmt = format_by_palette(VIDEO_PALETTE_RGB24);
		3654	btv->init.width = 320;
		3655	btv->init.height = 240;
		3656	btv->init.lines = 16;
		3657	btv->input = 0;
		3658
		3659	/* initialize hardware */
		3660	if (bttv_gpio)
		3661	bttv_gpio_tracking(btv,"pre-init");
		3662
		3663	bttv_risc_init_main(btv);
		3664	if (!bttv_tvcards[btv->type].no_video)
		3665	init_bt848(btv);
		3666
		3667	/* gpio */
		3668	btwrite(0x00, BT848_GPIO_REG_INP);
		3669	btwrite(0x00, BT848_GPIO_OUT_EN);
		3670	if (bttv_gpio)
		3671	bttv_gpio_tracking(btv,"init");
		3672
		3673	/* needs to be done before i2c is registered */
		3674	bttv_init_card1(btv);
		3675
		3676	/* register i2c */
		3677	init_bttv_i2c(btv);
		3678
		3679	/* some card-specific stuff (needs working i2c) */
		3680	bttv_init_card2(btv);
		3681
		3682	/* register video4linux + input */
		3683	if (!bttv_tvcards[btv->type].no_video) {
516	giacomo	3684	//bttv_register_video(btv);
428	giacomo	3685	#ifdef CONFIG_VIDEO_IR
		3686	bttv_input_init(btv);
		3687	#endif
		3688
		3689	bt848_bright(btv,32768);
		3690	bt848_contrast(btv,32768);
		3691	bt848_hue(btv,32768);
		3692	bt848_sat(btv,32768);
		3693	audio_mux(btv,AUDIO_MUTE);
		3694	set_input(btv,0);
		3695	}
		3696
		3697	/* everything is fine */
170	giacomo	3698	bttv_num++;
		3699	return 0;
		3700
428	giacomo	3701	fail2:
		3702	free_irq(btv->dev->irq,btv);
		3703
		3704	fail1:
		3705	if (btv->bt848_mmio)
		3706	iounmap(btv->bt848_mmio);
		3707	release_mem_region(pci_resource_start(btv->dev,0),
		3708	pci_resource_len(btv->dev,0));
		3709	pci_set_drvdata(dev,NULL);
		3710	return result;
170	giacomo	3711	}
		3712
428	giacomo	3713	static void __devexit bttv_remove(struct pci_dev *pci_dev)
170	giacomo	3714	{
428	giacomo	3715	struct bttv *btv = pci_get_drvdata(pci_dev);
170	giacomo	3716
428	giacomo	3717	if (bttv_verbose)
		3718	printk("bttv%d: unloading\n",btv->nr);
170	giacomo	3719
428	giacomo	3720	/* shutdown everything (DMA+IRQs) */
		3721	btand(~15, BT848_GPIO_DMA_CTL);
		3722	btwrite(0, BT848_INT_MASK);
		3723	btwrite(~0x0, BT848_INT_STAT);
		3724	btwrite(0x0, BT848_GPIO_OUT_EN);
		3725	if (bttv_gpio)
		3726	bttv_gpio_tracking(btv,"cleanup");
170	giacomo	3727
428	giacomo	3728	/* tell gpio modules we are leaving ... */
		3729	btv->shutdown=1;
491	giacomo	3730	//wake_up(&btv->gpioq);
428	giacomo	3731
		3732	/* unregister i2c_bus + input */
		3733	fini_bttv_i2c(btv);
		3734	#ifdef CONFIG_VIDEO_IR
		3735	bttv_input_fini(btv);
		3736	#endif
		3737
		3738	/* unregister video4linux */
516	giacomo	3739	//bttv_unregister_video(btv);
428	giacomo	3740
		3741	/* free allocated memory */
		3742	btcx_riscmem_free(btv->dev,&btv->main);
		3743
		3744	/* free ressources */
		3745	free_irq(btv->dev->irq,btv);
		3746	iounmap(btv->bt848_mmio);
		3747	release_mem_region(pci_resource_start(btv->dev,0),
		3748	pci_resource_len(btv->dev,0));
		3749
		3750	pci_set_drvdata(pci_dev, NULL);
		3751	return;
		3752	}
		3753
		3754	static struct pci_device_id bttv_pci_tbl[] = {
		3755	{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848,
		3756	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
		3757	{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849,
		3758	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
		3759	{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878,
		3760	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
		3761	{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879,
		3762	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
		3763	{0,}
		3764	};
		3765
		3766	MODULE_DEVICE_TABLE(pci, bttv_pci_tbl);
		3767
		3768	static struct pci_driver bttv_pci_driver = {
		3769	.name = "bttv",
		3770	.id_table = bttv_pci_tbl,
		3771	.probe = bttv_probe,
		3772	.remove = __devexit_p(bttv_remove),
		3773	};
		3774
463	giacomo	3775	int bttv_init_module(void)
428	giacomo	3776	{
		3777	int rc;
170	giacomo	3778	bttv_num = 0;
		3779
428	giacomo	3780	printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n",
		3781	(BTTV_VERSION_CODE >> 16) & 0xff,
		3782	(BTTV_VERSION_CODE >> 8) & 0xff,
		3783	BTTV_VERSION_CODE & 0xff);
		3784	if (gbuffers < 2 \|\| gbuffers > VIDEO_MAX_FRAME)
170	giacomo	3785	gbuffers = 2;
		3786	if (gbufsize < 0 \|\| gbufsize > BTTV_MAX_FBUF)
		3787	gbufsize = BTTV_MAX_FBUF;
428	giacomo	3788	gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
170	giacomo	3789	if (bttv_verbose)
428	giacomo	3790	printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n",
		3791	gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT);
170	giacomo	3792
428	giacomo	3793	bttv_check_chipset();
170	giacomo	3794
428	giacomo	3795	rc = pci_module_init(&bttv_pci_driver);
		3796	if (-ENODEV == rc) {
		3797	/* plenty of people trying to use bttv for the cx2388x ... */
		3798	if (NULL != pci_find_device(0x14f1, 0x8800, NULL))
		3799	printk("bttv doesn't support your Conexant 2388x card.\n");
		3800	}
		3801	return rc;
		3802	}
170	giacomo	3803
428	giacomo	3804	static void bttv_cleanup_module(void)
		3805	{
		3806	pci_unregister_driver(&bttv_pci_driver);
		3807	return;
		3808	}
195	giacomo	3809
428	giacomo	3810	module_init(bttv_init_module);
		3811	module_exit(bttv_cleanup_module);
195	giacomo	3812
428	giacomo	3813	/*
		3814	* Local variables:
		3815	* c-basic-offset: 8
		3816	* End:
		3817	*/

Subversion Repositories shark

(root)/shark/trunk/drivers/bttv/bttv-driver.c @ 463 - Rev 516