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523 lines
19 KiB
523 lines
19 KiB
/*
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* USBVISION.H
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* usbvision header file
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*
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* Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
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* Dwaine Garden <dwainegarden@rogers.com>
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*
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*
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* Report problems to v4l MailingList : http://www.redhat.com/mailman/listinfo/video4linux-list
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*
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* This module is part of usbvision driver project.
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* Updates to driver completed by Dwaine P. Garden
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* v4l2 conversion by Thierry Merle <thierry.merle@free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __LINUX_USBVISION_H
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#define __LINUX_USBVISION_H
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#include <linux/list.h>
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#include <linux/usb.h>
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#include <linux/i2c.h>
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#include <linux/mutex.h>
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#include <media/v4l2-common.h>
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#include <media/tuner.h>
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#include <linux/videodev2.h>
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#define USBVISION_DEBUG /* Turn on debug messages */
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#define USBVISION_PWR_REG 0x00
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#define USBVISION_SSPND_EN (1 << 1)
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#define USBVISION_RES2 (1 << 2)
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#define USBVISION_PWR_VID (1 << 5)
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#define USBVISION_E2_EN (1 << 7)
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#define USBVISION_CONFIG_REG 0x01
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#define USBVISION_ADRS_REG 0x02
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#define USBVISION_ALTER_REG 0x03
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#define USBVISION_FORCE_ALTER_REG 0x04
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#define USBVISION_STATUS_REG 0x05
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#define USBVISION_IOPIN_REG 0x06
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#define USBVISION_IO_1 (1 << 0)
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#define USBVISION_IO_2 (1 << 1)
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#define USBVISION_AUDIO_IN 0
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#define USBVISION_AUDIO_TV 1
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#define USBVISION_AUDIO_RADIO 2
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#define USBVISION_AUDIO_MUTE 3
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#define USBVISION_SER_MODE 0x07
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#define USBVISION_SER_ADRS 0x08
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#define USBVISION_SER_CONT 0x09
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#define USBVISION_SER_DAT1 0x0A
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#define USBVISION_SER_DAT2 0x0B
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#define USBVISION_SER_DAT3 0x0C
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#define USBVISION_SER_DAT4 0x0D
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#define USBVISION_EE_DATA 0x0E
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#define USBVISION_EE_LSBAD 0x0F
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#define USBVISION_EE_CONT 0x10
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#define USBVISION_DRM_CONT 0x12
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#define USBVISION_REF (1 << 0)
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#define USBVISION_RES_UR (1 << 2)
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#define USBVISION_RES_FDL (1 << 3)
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#define USBVISION_RES_VDW (1 << 4)
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#define USBVISION_DRM_PRM1 0x13
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#define USBVISION_DRM_PRM2 0x14
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#define USBVISION_DRM_PRM3 0x15
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#define USBVISION_DRM_PRM4 0x16
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#define USBVISION_DRM_PRM5 0x17
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#define USBVISION_DRM_PRM6 0x18
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#define USBVISION_DRM_PRM7 0x19
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#define USBVISION_DRM_PRM8 0x1A
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#define USBVISION_VIN_REG1 0x1B
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#define USBVISION_8_422_SYNC 0x01
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#define USBVISION_16_422_SYNC 0x02
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#define USBVISION_VSNC_POL (1 << 3)
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#define USBVISION_HSNC_POL (1 << 4)
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#define USBVISION_FID_POL (1 << 5)
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#define USBVISION_HVALID_PO (1 << 6)
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#define USBVISION_VCLK_POL (1 << 7)
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#define USBVISION_VIN_REG2 0x1C
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#define USBVISION_AUTO_FID (1 << 0)
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#define USBVISION_NONE_INTER (1 << 1)
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#define USBVISION_NOHVALID (1 << 2)
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#define USBVISION_UV_ID (1 << 3)
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#define USBVISION_FIX_2C (1 << 4)
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#define USBVISION_SEND_FID (1 << 5)
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#define USBVISION_KEEP_BLANK (1 << 7)
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#define USBVISION_LXSIZE_I 0x1D
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#define USBVISION_MXSIZE_I 0x1E
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#define USBVISION_LYSIZE_I 0x1F
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#define USBVISION_MYSIZE_I 0x20
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#define USBVISION_LX_OFFST 0x21
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#define USBVISION_MX_OFFST 0x22
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#define USBVISION_LY_OFFST 0x23
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#define USBVISION_MY_OFFST 0x24
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#define USBVISION_FRM_RATE 0x25
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#define USBVISION_LXSIZE_O 0x26
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#define USBVISION_MXSIZE_O 0x27
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#define USBVISION_LYSIZE_O 0x28
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#define USBVISION_MYSIZE_O 0x29
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#define USBVISION_FILT_CONT 0x2A
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#define USBVISION_VO_MODE 0x2B
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#define USBVISION_INTRA_CYC 0x2C
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#define USBVISION_STRIP_SZ 0x2D
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#define USBVISION_FORCE_INTRA 0x2E
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#define USBVISION_FORCE_UP 0x2F
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#define USBVISION_BUF_THR 0x30
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#define USBVISION_DVI_YUV 0x31
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#define USBVISION_AUDIO_CONT 0x32
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#define USBVISION_AUD_PK_LEN 0x33
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#define USBVISION_BLK_PK_LEN 0x34
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#define USBVISION_PCM_THR1 0x38
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#define USBVISION_PCM_THR2 0x39
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#define USBVISION_DIST_THR_L 0x3A
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#define USBVISION_DIST_THR_H 0x3B
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#define USBVISION_MAX_DIST_L 0x3C
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#define USBVISION_MAX_DIST_H 0x3D
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#define USBVISION_OP_CODE 0x33
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#define MAX_BYTES_PER_PIXEL 4
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#define MIN_FRAME_WIDTH 64
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#define MAX_USB_WIDTH 320 //384
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#define MAX_FRAME_WIDTH 320 //384 /*streching sometimes causes crashes*/
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#define MIN_FRAME_HEIGHT 48
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#define MAX_USB_HEIGHT 240 //288
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#define MAX_FRAME_HEIGHT 240 //288 /*Streching sometimes causes crashes*/
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#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
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#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) //bytesize of clipmask
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#define USBVISION_URB_FRAMES 32
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#define USBVISION_NUM_HEADERMARKER 20
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#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */
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#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */
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#define USBVISION_POWEROFF_TIME 3 * (HZ) // 3 seconds
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#define FRAMERATE_MIN 0
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#define FRAMERATE_MAX 31
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enum {
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ISOC_MODE_YUV422 = 0x03,
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ISOC_MODE_YUV420 = 0x14,
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ISOC_MODE_COMPRESS = 0x60,
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};
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/* This macro restricts an int variable to an inclusive range */
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#define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
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/*
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* We use macros to do YUV -> RGB conversion because this is
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* very important for speed and totally unimportant for size.
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*
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* YUV -> RGB Conversion
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* ---------------------
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*
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* B = 1.164*(Y-16) + 2.018*(V-128)
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* G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128)
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* R = 1.164*(Y-16) + 1.596*(U-128)
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*
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* If you fancy integer arithmetics (as you should), hear this:
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*
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* 65536*B = 76284*(Y-16) + 132252*(V-128)
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* 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128)
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* 65536*R = 76284*(Y-16) + 104595*(U-128)
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*
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* Make sure the output values are within [0..255] range.
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*/
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#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
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#define YUV_TO_RGB_BY_THE_BOOK(my,mu,mv,mr,mg,mb) { \
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int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
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mm_y = (my) - 16; \
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mm_u = (mu) - 128; \
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mm_v = (mv) - 128; \
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mm_yc= mm_y * 76284; \
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mm_b = (mm_yc + 132252*mm_v ) >> 16; \
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mm_g = (mm_yc - 53281*mm_u - 25625*mm_v ) >> 16; \
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mm_r = (mm_yc + 104595*mm_u ) >> 16; \
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mb = LIMIT_RGB(mm_b); \
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mg = LIMIT_RGB(mm_g); \
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mr = LIMIT_RGB(mm_r); \
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}
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/* Debugging aid */
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#define USBVISION_SAY_AND_WAIT(what) { \
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wait_queue_head_t wq; \
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init_waitqueue_head(&wq); \
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printk(KERN_INFO "Say: %s\n", what); \
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interruptible_sleep_on_timeout (&wq, HZ*3); \
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}
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/*
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* This macro checks if usbvision is still operational. The 'usbvision'
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* pointer must be valid, usbvision->dev must be valid, we are not
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* removing the device and the device has not erred on us.
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*/
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#define USBVISION_IS_OPERATIONAL(udevice) (\
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(udevice != NULL) && \
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((udevice)->dev != NULL) && \
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((udevice)->last_error == 0) && \
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(!(udevice)->remove_pending))
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#define I2C_USB_ADAP_MAX 16
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#define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M)
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/* ----------------------------------------------------------------- */
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/* usbvision video structures */
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/* ----------------------------------------------------------------- */
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enum ScanState {
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ScanState_Scanning, /* Scanning for header */
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ScanState_Lines /* Parsing lines */
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};
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/* Completion states of the data parser */
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enum ParseState {
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ParseState_Continue, /* Just parse next item */
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ParseState_NextFrame, /* Frame done, send it to V4L */
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ParseState_Out, /* Not enough data for frame */
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ParseState_EndParse /* End parsing */
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};
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enum FrameState {
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FrameState_Unused, /* Unused (no MCAPTURE) */
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FrameState_Ready, /* Ready to start grabbing */
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FrameState_Grabbing, /* In the process of being grabbed into */
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FrameState_Done, /* Finished grabbing, but not been synced yet */
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FrameState_DoneHold, /* Are syncing or reading */
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FrameState_Error, /* Something bad happened while processing */
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};
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/* stream states */
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enum StreamState {
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Stream_Off, /* Driver streaming is completely OFF */
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Stream_Idle, /* Driver streaming is ready to be put ON by the application */
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Stream_Interrupt, /* Driver streaming must be interrupted */
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Stream_On, /* Driver streaming is put ON by the application */
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};
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enum IsocState {
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IsocState_InFrame, /* Isoc packet is member of frame */
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IsocState_NoFrame, /* Isoc packet is not member of any frame */
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};
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struct usb_device;
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struct usbvision_sbuf {
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char *data;
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struct urb *urb;
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};
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#define USBVISION_MAGIC_1 0x55
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#define USBVISION_MAGIC_2 0xAA
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#define USBVISION_HEADER_LENGTH 0x0c
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#define USBVISION_SAA7111_ADDR 0x48
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#define USBVISION_SAA7113_ADDR 0x4a
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#define USBVISION_IIC_LRACK 0x20
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#define USBVISION_IIC_LRNACK 0x30
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#define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7)
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struct usbvision_v4l2_format_st {
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int supported;
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int bytes_per_pixel;
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int depth;
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int format;
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char *desc;
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};
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#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
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struct usbvision_frame_header {
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unsigned char magic_1; /* 0 magic */
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unsigned char magic_2; /* 1 magic */
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unsigned char headerLength; /* 2 */
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unsigned char frameNum; /* 3 */
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unsigned char framePhase; /* 4 */
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unsigned char frameLatency; /* 5 */
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unsigned char dataFormat; /* 6 */
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unsigned char formatParam; /* 7 */
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unsigned char frameWidthLo; /* 8 */
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unsigned char frameWidthHi; /* 9 */
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unsigned char frameHeightLo; /* 10 */
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unsigned char frameHeightHi; /* 11 */
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__u16 frameWidth; /* 8 - 9 after endian correction*/
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__u16 frameHeight; /* 10 - 11 after endian correction*/
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};
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struct usbvision_frame {
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char *data; /* Frame buffer */
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struct usbvision_frame_header isocHeader; /* Header from stream */
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int width; /* Width application is expecting */
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int height; /* Height */
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int index; /* Frame index */
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int frmwidth; /* Width the frame actually is */
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int frmheight; /* Height */
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volatile int grabstate; /* State of grabbing */
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int scanstate; /* State of scanning */
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struct list_head frame;
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int curline; /* Line of frame we're working on */
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long scanlength; /* uncompressed, raw data length of frame */
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long bytes_read; /* amount of scanlength that has been read from data */
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struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/
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int v4l2_linesize; /* bytes for one videoline*/
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struct timeval timestamp;
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int sequence; // How many video frames we send to user
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};
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#define CODEC_SAA7113 7113
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#define CODEC_SAA7111 7111
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#define BRIDGE_NT1003 1003
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#define BRIDGE_NT1004 1004
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#define BRIDGE_NT1005 1005
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struct usbvision_device_data_st {
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__u64 VideoNorm;
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const char *ModelString;
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int Interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
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__u16 Codec;
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unsigned VideoChannels:3;
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unsigned AudioChannels:2;
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unsigned Radio:1;
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unsigned vbi:1;
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unsigned Tuner:1;
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unsigned Vin_Reg1_override:1; /* Override default value with */
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unsigned Vin_Reg2_override:1; /* Vin_Reg1, Vin_Reg2, etc. */
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unsigned Dvi_yuv_override:1;
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__u8 Vin_Reg1;
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__u8 Vin_Reg2;
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__u8 Dvi_yuv;
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__u8 TunerType;
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__s16 X_Offset;
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__s16 Y_Offset;
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};
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/* Declared on usbvision-cards.c */
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extern struct usbvision_device_data_st usbvision_device_data[];
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extern struct usb_device_id usbvision_table[];
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struct usb_usbvision {
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struct video_device *vdev; /* Video Device */
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struct video_device *rdev; /* Radio Device */
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struct video_device *vbi; /* VBI Device */
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/* i2c Declaration Section*/
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struct i2c_adapter i2c_adap;
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struct i2c_client i2c_client;
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struct urb *ctrlUrb;
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unsigned char ctrlUrbBuffer[8];
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int ctrlUrbBusy;
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struct usb_ctrlrequest ctrlUrbSetup;
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wait_queue_head_t ctrlUrb_wq; // Processes waiting
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/* configuration part */
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int have_tuner;
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int tuner_type;
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int tuner_addr;
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int bridgeType; // NT1003, NT1004, NT1005
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int radio;
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int video_inputs; // # of inputs
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unsigned long freq;
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int AudioMute;
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int AudioChannel;
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int isocMode; // format of video data for the usb isoc-transfer
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unsigned int nr; // Number of the device
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/* Device structure */
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struct usb_device *dev;
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/* usb transfer */
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int num_alt; /* Number of alternative settings */
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unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
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unsigned char iface; /* Video interface number */
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unsigned char ifaceAlt; /* Alt settings */
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unsigned char Vin_Reg2_Preset;
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struct mutex lock;
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struct timer_list powerOffTimer;
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struct work_struct powerOffWork;
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int power; /* is the device powered on? */
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int user; /* user count for exclusive use */
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int initialized; /* Had we already sent init sequence? */
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int DevModel; /* What type of USBVISION device we got? */
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enum StreamState streaming; /* Are we streaming Isochronous? */
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int last_error; /* What calamity struck us? */
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int curwidth; /* width of the frame the device is currently set to*/
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int curheight; /* height of the frame the device is currently set to*/
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int stretch_width; /* stretch-factor for frame width (from usb to screen)*/
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int stretch_height; /* stretch-factor for frame height (from usb to screen)*/
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char *fbuf; /* Videodev buffer area for mmap*/
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int max_frame_size; /* Bytes in one video frame */
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int fbuf_size; /* Videodev buffer size */
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spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */
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struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */
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wait_queue_head_t wait_frame; /* Processes waiting */
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wait_queue_head_t wait_stream; /* Processes waiting */
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struct usbvision_frame *curFrame; // pointer to current frame, set by usbvision_find_header
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struct usbvision_frame frame[USBVISION_NUMFRAMES]; // frame buffer
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int num_frames; // number of frames allocated
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struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; // S buffering
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volatile int remove_pending; /* If set then about to exit */
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/* Scratch space from the Isochronous Pipe.*/
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unsigned char *scratch;
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int scratch_read_ptr;
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int scratch_write_ptr;
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int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
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int scratch_headermarker_read_ptr;
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int scratch_headermarker_write_ptr;
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enum IsocState isocstate;
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struct usbvision_v4l2_format_st palette;
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struct v4l2_capability vcap; /* Video capabilities */
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unsigned int ctl_input; /* selected input */
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v4l2_std_id tvnormId; /* selected tv norm */
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unsigned char video_endp; /* 0x82 for USBVISION devices based */
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// Decompression stuff:
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unsigned char *IntraFrameBuffer; /* Buffer for reference frame */
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int BlockPos; //for test only
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int requestIntra; // 0 = normal; 1 = intra frame is requested;
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int lastIsocFrameNum; // check for lost isoc frames
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int isocPacketSize; // need to calculate usedBandwidth
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int usedBandwidth; // used bandwidth 0-100%, need to set comprLevel
|
|
int comprLevel; // How strong (100) or weak (0) is compression
|
|
int lastComprLevel; // How strong (100) or weak (0) was compression
|
|
int usb_bandwidth; /* Mbit/s */
|
|
|
|
/* Statistics that can be overlayed on the screen */
|
|
unsigned long isocUrbCount; // How many URBs we received so far
|
|
unsigned long urb_length; /* Length of last URB */
|
|
unsigned long isocDataCount; /* How many bytes we received */
|
|
unsigned long header_count; /* How many frame headers we found */
|
|
unsigned long scratch_ovf_count; /* How many times we overflowed scratch */
|
|
unsigned long isocSkipCount; /* How many empty ISO packets received */
|
|
unsigned long isocErrCount; /* How many bad ISO packets received */
|
|
unsigned long isocPacketCount; // How many packets we totally got
|
|
unsigned long timeInIrq; // How long do we need for interrupt
|
|
int isocMeasureBandwidthCount;
|
|
int frame_num; // How many video frames we send to user
|
|
int maxStripLen; // How big is the biggest strip
|
|
int comprBlockPos;
|
|
int stripLenErrors; // How many times was BlockPos greater than StripLen
|
|
int stripMagicErrors;
|
|
int stripLineNumberErrors;
|
|
int ComprBlockTypes[4];
|
|
};
|
|
|
|
|
|
/* --------------------------------------------------------------- */
|
|
/* defined in usbvision-i2c.c */
|
|
/* i2c-algo-usb declaration */
|
|
/* --------------------------------------------------------------- */
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* usbvision specific I2C functions */
|
|
/* ----------------------------------------------------------------------- */
|
|
int usbvision_i2c_register(struct usb_usbvision *usbvision);
|
|
int usbvision_i2c_unregister(struct usb_usbvision *usbvision);
|
|
void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg);
|
|
|
|
/* defined in usbvision-core.c */
|
|
int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
|
|
int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
|
|
unsigned char value);
|
|
|
|
int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames);
|
|
void usbvision_frames_free(struct usb_usbvision *usbvision);
|
|
int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
|
|
void usbvision_scratch_free(struct usb_usbvision *usbvision);
|
|
int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
|
|
void usbvision_decompress_free(struct usb_usbvision *usbvision);
|
|
|
|
int usbvision_setup(struct usb_usbvision *usbvision,int format);
|
|
int usbvision_init_isoc(struct usb_usbvision *usbvision);
|
|
int usbvision_restart_isoc(struct usb_usbvision *usbvision);
|
|
void usbvision_stop_isoc(struct usb_usbvision *usbvision);
|
|
int usbvision_set_alternate(struct usb_usbvision *dev);
|
|
|
|
int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel);
|
|
int usbvision_audio_off(struct usb_usbvision *usbvision);
|
|
|
|
int usbvision_begin_streaming(struct usb_usbvision *usbvision);
|
|
void usbvision_empty_framequeues(struct usb_usbvision *dev);
|
|
int usbvision_stream_interrupt(struct usb_usbvision *dev);
|
|
|
|
int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
|
|
int usbvision_set_input(struct usb_usbvision *usbvision);
|
|
int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
|
|
|
|
void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision);
|
|
void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision);
|
|
void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision);
|
|
int usbvision_power_off(struct usb_usbvision *usbvision);
|
|
int usbvision_power_on(struct usb_usbvision *usbvision);
|
|
|
|
#endif /* __LINUX_USBVISION_H */
|
|
|
|
/*
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|
|
|