mirror of https://gitee.com/openkylin/linux.git
522 lines
13 KiB
C
522 lines
13 KiB
C
/*
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hexium_orion.c - v4l2 driver for the Hexium Orion frame grabber cards
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Visit http://www.mihu.de/linux/saa7146/ and follow the link
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to "hexium" for further details about this card.
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Copyright (C) 2003 Michael Hunold <michael@mihu.de>
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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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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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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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#define DEBUG_VARIABLE debug
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#include <media/saa7146_vv.h>
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static int debug = 0;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "debug verbosity");
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/* global variables */
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static int hexium_num = 0;
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#define HEXIUM_HV_PCI6_ORION 1
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#define HEXIUM_ORION_1SVHS_3BNC 2
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#define HEXIUM_ORION_4BNC 3
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#define HEXIUM_INPUTS 9
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static struct v4l2_input hexium_inputs[HEXIUM_INPUTS] = {
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{ 0, "CVBS 1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ 1, "CVBS 2", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ 2, "CVBS 3", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ 3, "CVBS 4", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ 4, "CVBS 5", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ 5, "CVBS 6", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ 6, "Y/C 1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ 7, "Y/C 2", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ 8, "Y/C 3", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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};
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#define HEXIUM_AUDIOS 0
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struct hexium_data
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{
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s8 adr;
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u8 byte;
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};
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static struct saa7146_extension_ioctls ioctls[] = {
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{ VIDIOC_G_INPUT, SAA7146_EXCLUSIVE },
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{ VIDIOC_S_INPUT, SAA7146_EXCLUSIVE },
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{ VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE },
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{ VIDIOC_S_STD, SAA7146_AFTER },
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{ 0, 0 }
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};
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struct hexium
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{
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int type;
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struct video_device *video_dev;
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struct i2c_adapter i2c_adapter;
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int cur_input; /* current input */
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};
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/* Philips SAA7110 decoder default registers */
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static u8 hexium_saa7110[53]={
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/*00*/ 0x4C,0x3C,0x0D,0xEF,0xBD,0xF0,0x00,0x00,
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/*08*/ 0xF8,0xF8,0x60,0x60,0x40,0x86,0x18,0x90,
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/*10*/ 0x00,0x2C,0x40,0x46,0x42,0x1A,0xFF,0xDA,
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/*18*/ 0xF0,0x8B,0x00,0x00,0x00,0x00,0x00,0x00,
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/*20*/ 0xD9,0x17,0x40,0x41,0x80,0x41,0x80,0x4F,
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/*28*/ 0xFE,0x01,0x0F,0x0F,0x03,0x01,0x81,0x03,
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/*30*/ 0x44,0x75,0x01,0x8C,0x03
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};
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static struct {
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struct hexium_data data[8];
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} hexium_input_select[] = {
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{
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{ /* cvbs 1 */
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{ 0x06, 0x00 },
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{ 0x20, 0xD9 },
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{ 0x21, 0x17 }, // 0x16,
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{ 0x22, 0x40 },
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{ 0x2C, 0x03 },
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{ 0x30, 0x44 },
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{ 0x31, 0x75 }, // ??
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{ 0x21, 0x16 }, // 0x03,
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}
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}, {
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{ /* cvbs 2 */
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{ 0x06, 0x00 },
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{ 0x20, 0x78 },
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{ 0x21, 0x07 }, // 0x03,
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{ 0x22, 0xD2 },
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{ 0x2C, 0x83 },
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{ 0x30, 0x60 },
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{ 0x31, 0xB5 }, // ?
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{ 0x21, 0x03 },
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}
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}, {
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{ /* cvbs 3 */
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{ 0x06, 0x00 },
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{ 0x20, 0xBA },
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{ 0x21, 0x07 }, // 0x05,
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{ 0x22, 0x91 },
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{ 0x2C, 0x03 },
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{ 0x30, 0x60 },
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{ 0x31, 0xB5 }, // ??
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{ 0x21, 0x05 }, // 0x03,
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}
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}, {
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{ /* cvbs 4 */
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{ 0x06, 0x00 },
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{ 0x20, 0xD8 },
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{ 0x21, 0x17 }, // 0x16,
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{ 0x22, 0x40 },
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{ 0x2C, 0x03 },
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{ 0x30, 0x44 },
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{ 0x31, 0x75 }, // ??
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{ 0x21, 0x16 }, // 0x03,
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}
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}, {
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{ /* cvbs 5 */
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{ 0x06, 0x00 },
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{ 0x20, 0xB8 },
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{ 0x21, 0x07 }, // 0x05,
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{ 0x22, 0x91 },
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{ 0x2C, 0x03 },
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{ 0x30, 0x60 },
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{ 0x31, 0xB5 }, // ??
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{ 0x21, 0x05 }, // 0x03,
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}
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}, {
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{ /* cvbs 6 */
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{ 0x06, 0x00 },
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{ 0x20, 0x7C },
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{ 0x21, 0x07 }, // 0x03
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{ 0x22, 0xD2 },
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{ 0x2C, 0x83 },
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{ 0x30, 0x60 },
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{ 0x31, 0xB5 }, // ??
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{ 0x21, 0x03 },
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}
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}, {
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{ /* y/c 1 */
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{ 0x06, 0x80 },
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{ 0x20, 0x59 },
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{ 0x21, 0x17 },
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{ 0x22, 0x42 },
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{ 0x2C, 0xA3 },
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{ 0x30, 0x44 },
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{ 0x31, 0x75 },
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{ 0x21, 0x12 },
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}
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}, {
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{ /* y/c 2 */
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{ 0x06, 0x80 },
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{ 0x20, 0x9A },
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{ 0x21, 0x17 },
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{ 0x22, 0xB1 },
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{ 0x2C, 0x13 },
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{ 0x30, 0x60 },
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{ 0x31, 0xB5 },
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{ 0x21, 0x14 },
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}
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}, {
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{ /* y/c 3 */
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{ 0x06, 0x80 },
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{ 0x20, 0x3C },
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{ 0x21, 0x27 },
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{ 0x22, 0xC1 },
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{ 0x2C, 0x23 },
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{ 0x30, 0x44 },
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{ 0x31, 0x75 },
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{ 0x21, 0x21 },
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}
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}
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};
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static struct saa7146_standard hexium_standards[] = {
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{
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.name = "PAL", .id = V4L2_STD_PAL,
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.v_offset = 16, .v_field = 288,
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.h_offset = 1, .h_pixels = 680,
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.v_max_out = 576, .h_max_out = 768,
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}, {
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.name = "NTSC", .id = V4L2_STD_NTSC,
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.v_offset = 16, .v_field = 240,
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.h_offset = 1, .h_pixels = 640,
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.v_max_out = 480, .h_max_out = 640,
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}, {
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.name = "SECAM", .id = V4L2_STD_SECAM,
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.v_offset = 16, .v_field = 288,
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.h_offset = 1, .h_pixels = 720,
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.v_max_out = 576, .h_max_out = 768,
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}
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};
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/* this is only called for old HV-PCI6/Orion cards
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without eeprom */
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static int hexium_probe(struct saa7146_dev *dev)
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{
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struct hexium *hexium = NULL;
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union i2c_smbus_data data;
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int err = 0;
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DEB_EE((".\n"));
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/* there are no hexium orion cards with revision 0 saa7146s */
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if (0 == dev->revision) {
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return -EFAULT;
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}
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hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
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if (NULL == hexium) {
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printk("hexium_orion: hexium_probe: not enough kernel memory.\n");
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return -ENOMEM;
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}
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/* enable i2c-port pins */
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saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
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saa7146_write(dev, DD1_INIT, 0x01000100);
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saa7146_write(dev, DD1_STREAM_B, 0x00000000);
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saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
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hexium->i2c_adapter = (struct i2c_adapter) {
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.class = I2C_CLASS_TV_ANALOG,
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.name = "hexium orion",
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};
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saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
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if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
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DEB_S(("cannot register i2c-device. skipping.\n"));
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kfree(hexium);
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return -EFAULT;
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}
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/* set SAA7110 control GPIO 0 */
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saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTHI);
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/* set HWControl GPIO number 2 */
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saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
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mdelay(10);
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/* detect newer Hexium Orion cards by subsystem ids */
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if (0x17c8 == dev->pci->subsystem_vendor && 0x0101 == dev->pci->subsystem_device) {
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printk("hexium_orion: device is a Hexium Orion w/ 1 SVHS + 3 BNC inputs.\n");
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/* we store the pointer in our private data field */
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dev->ext_priv = hexium;
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hexium->type = HEXIUM_ORION_1SVHS_3BNC;
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return 0;
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}
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if (0x17c8 == dev->pci->subsystem_vendor && 0x2101 == dev->pci->subsystem_device) {
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printk("hexium_orion: device is a Hexium Orion w/ 4 BNC inputs.\n");
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/* we store the pointer in our private data field */
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dev->ext_priv = hexium;
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hexium->type = HEXIUM_ORION_4BNC;
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return 0;
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}
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/* check if this is an old hexium Orion card by looking at
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a saa7110 at address 0x4e */
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if (0 == (err = i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_READ, 0x00, I2C_SMBUS_BYTE_DATA, &data))) {
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printk("hexium_orion: device is a Hexium HV-PCI6/Orion (old).\n");
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/* we store the pointer in our private data field */
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dev->ext_priv = hexium;
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hexium->type = HEXIUM_HV_PCI6_ORION;
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return 0;
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}
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i2c_del_adapter(&hexium->i2c_adapter);
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kfree(hexium);
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return -EFAULT;
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}
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/* bring hardware to a sane state. this has to be done, just in case someone
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wants to capture from this device before it has been properly initialized.
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the capture engine would badly fail, because no valid signal arrives on the
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saa7146, thus leading to timeouts and stuff. */
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static int hexium_init_done(struct saa7146_dev *dev)
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{
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struct hexium *hexium = (struct hexium *) dev->ext_priv;
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union i2c_smbus_data data;
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int i = 0;
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DEB_D(("hexium_init_done called.\n"));
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/* initialize the helper ics to useful values */
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for (i = 0; i < sizeof(hexium_saa7110); i++) {
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data.byte = hexium_saa7110[i];
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if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &data)) {
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printk("hexium_orion: failed for address 0x%02x\n", i);
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}
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}
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return 0;
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}
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static int hexium_set_input(struct hexium *hexium, int input)
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{
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union i2c_smbus_data data;
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int i = 0;
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DEB_D((".\n"));
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for (i = 0; i < 8; i++) {
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int adr = hexium_input_select[input].data[i].adr;
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data.byte = hexium_input_select[input].data[i].byte;
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if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x4e, 0, I2C_SMBUS_WRITE, adr, I2C_SMBUS_BYTE_DATA, &data)) {
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return -1;
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}
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printk("%d: 0x%02x => 0x%02x\n",input, adr,data.byte);
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}
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return 0;
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}
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static struct saa7146_ext_vv vv_data;
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/* this function only gets called when the probing was successful */
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static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
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{
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struct hexium *hexium = (struct hexium *) dev->ext_priv;
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DEB_EE((".\n"));
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saa7146_vv_init(dev, &vv_data);
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if (0 != saa7146_register_device(&hexium->video_dev, dev, "hexium orion", VFL_TYPE_GRABBER)) {
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printk("hexium_orion: cannot register capture v4l2 device. skipping.\n");
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return -1;
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}
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printk("hexium_orion: found 'hexium orion' frame grabber-%d.\n", hexium_num);
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hexium_num++;
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/* the rest */
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hexium->cur_input = 0;
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hexium_init_done(dev);
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return 0;
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}
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static int hexium_detach(struct saa7146_dev *dev)
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{
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struct hexium *hexium = (struct hexium *) dev->ext_priv;
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DEB_EE(("dev:%p\n", dev));
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saa7146_unregister_device(&hexium->video_dev, dev);
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saa7146_vv_release(dev);
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hexium_num--;
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i2c_del_adapter(&hexium->i2c_adapter);
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kfree(hexium);
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return 0;
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}
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static int hexium_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
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{
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struct saa7146_dev *dev = fh->dev;
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struct hexium *hexium = (struct hexium *) dev->ext_priv;
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/*
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struct saa7146_vv *vv = dev->vv_data;
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*/
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switch (cmd) {
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case VIDIOC_ENUMINPUT:
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{
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struct v4l2_input *i = arg;
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DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
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if (i->index < 0 || i->index >= HEXIUM_INPUTS) {
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return -EINVAL;
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}
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memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input));
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DEB_D(("v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n", i->index));
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return 0;
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}
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case VIDIOC_G_INPUT:
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{
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int *input = (int *) arg;
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*input = hexium->cur_input;
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DEB_D(("VIDIOC_G_INPUT: %d\n", *input));
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return 0;
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}
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case VIDIOC_S_INPUT:
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{
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int input = *(int *) arg;
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if (input < 0 || input >= HEXIUM_INPUTS) {
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return -EINVAL;
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}
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hexium->cur_input = input;
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hexium_set_input(hexium, input);
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return 0;
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}
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default:
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/*
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DEB_D(("hexium_ioctl() does not handle this ioctl.\n"));
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*/
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return -ENOIOCTLCMD;
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}
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return 0;
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}
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static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std)
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{
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return 0;
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}
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static struct saa7146_extension extension;
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static struct saa7146_pci_extension_data hexium_hv_pci6 = {
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.ext_priv = "Hexium HV-PCI6 / Orion",
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.ext = &extension,
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};
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static struct saa7146_pci_extension_data hexium_orion_1svhs_3bnc = {
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.ext_priv = "Hexium HV-PCI6 / Orion (1 SVHS/3 BNC)",
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.ext = &extension,
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};
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static struct saa7146_pci_extension_data hexium_orion_4bnc = {
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.ext_priv = "Hexium HV-PCI6 / Orion (4 BNC)",
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.ext = &extension,
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};
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static struct pci_device_id pci_tbl[] = {
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{
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.vendor = PCI_VENDOR_ID_PHILIPS,
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.device = PCI_DEVICE_ID_PHILIPS_SAA7146,
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.subvendor = 0x0000,
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.subdevice = 0x0000,
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.driver_data = (unsigned long) &hexium_hv_pci6,
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},
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{
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.vendor = PCI_VENDOR_ID_PHILIPS,
|
|
.device = PCI_DEVICE_ID_PHILIPS_SAA7146,
|
|
.subvendor = 0x17c8,
|
|
.subdevice = 0x0101,
|
|
.driver_data = (unsigned long) &hexium_orion_1svhs_3bnc,
|
|
},
|
|
{
|
|
.vendor = PCI_VENDOR_ID_PHILIPS,
|
|
.device = PCI_DEVICE_ID_PHILIPS_SAA7146,
|
|
.subvendor = 0x17c8,
|
|
.subdevice = 0x2101,
|
|
.driver_data = (unsigned long) &hexium_orion_4bnc,
|
|
},
|
|
{
|
|
.vendor = 0,
|
|
}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, pci_tbl);
|
|
|
|
static struct saa7146_ext_vv vv_data = {
|
|
.inputs = HEXIUM_INPUTS,
|
|
.capabilities = 0,
|
|
.stds = &hexium_standards[0],
|
|
.num_stds = sizeof(hexium_standards) / sizeof(struct saa7146_standard),
|
|
.std_callback = &std_callback,
|
|
.ioctls = &ioctls[0],
|
|
.ioctl = hexium_ioctl,
|
|
};
|
|
|
|
static struct saa7146_extension extension = {
|
|
.name = "hexium HV-PCI6 Orion",
|
|
.flags = 0, // SAA7146_USE_I2C_IRQ,
|
|
|
|
.pci_tbl = &pci_tbl[0],
|
|
.module = THIS_MODULE,
|
|
|
|
.probe = hexium_probe,
|
|
.attach = hexium_attach,
|
|
.detach = hexium_detach,
|
|
|
|
.irq_mask = 0,
|
|
.irq_func = NULL,
|
|
};
|
|
|
|
static int __init hexium_init_module(void)
|
|
{
|
|
if (0 != saa7146_register_extension(&extension)) {
|
|
DEB_S(("failed to register extension.\n"));
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit hexium_cleanup_module(void)
|
|
{
|
|
saa7146_unregister_extension(&extension);
|
|
}
|
|
|
|
module_init(hexium_init_module);
|
|
module_exit(hexium_cleanup_module);
|
|
|
|
MODULE_DESCRIPTION("video4linux-2 driver for Hexium Orion frame grabber cards");
|
|
MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
|
|
MODULE_LICENSE("GPL");
|