426 lines
11 KiB
C
426 lines
11 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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hexium_gemini.c - v4l2 driver for Hexium Gemini 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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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#define DEBUG_VARIABLE debug
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#include <media/drv-intf/saa7146_vv.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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static int debug;
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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;
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#define HEXIUM_GEMINI 4
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#define HEXIUM_GEMINI_DUAL 5
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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, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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{ 1, "CVBS 2", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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{ 2, "CVBS 3", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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{ 3, "CVBS 4", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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{ 4, "CVBS 5", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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{ 5, "CVBS 6", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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{ 6, "Y/C 1", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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{ 7, "Y/C 2", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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{ 8, "Y/C 3", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
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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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#define HEXIUM_GEMINI_V_1_0 1
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#define HEXIUM_GEMINI_DUAL_V_1_0 2
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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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v4l2_std_id cur_std; /* current standard */
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};
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/* Samsung KS0127B decoder default registers */
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static u8 hexium_ks0127b[0x100]={
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/*00*/ 0x00,0x52,0x30,0x40,0x01,0x0C,0x2A,0x10,
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/*08*/ 0x00,0x00,0x00,0x60,0x00,0x00,0x0F,0x06,
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/*10*/ 0x00,0x00,0xE4,0xC0,0x00,0x00,0x00,0x00,
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/*18*/ 0x14,0x9B,0xFE,0xFF,0xFC,0xFF,0x03,0x22,
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/*20*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*28*/ 0x00,0x00,0x00,0x00,0x00,0x2C,0x9B,0x00,
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/*30*/ 0x00,0x00,0x10,0x80,0x80,0x10,0x80,0x80,
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/*38*/ 0x01,0x04,0x00,0x00,0x00,0x29,0xC0,0x00,
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/*40*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*48*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*50*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*58*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*60*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*68*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*70*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*78*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*80*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*88*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*90*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*98*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*A0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*A8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*B0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*B8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*C0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*C8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*D0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*D8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*E0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*E8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*F0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/*F8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
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};
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static struct hexium_data hexium_pal[] = {
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{ 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF }
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};
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static struct hexium_data hexium_ntsc[] = {
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{ 0x01, 0x53 }, { 0x12, 0x04 }, { 0x2D, 0x23 }, { 0x2E, 0x81 }, { -1 , 0xFF }
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};
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static struct hexium_data hexium_secam[] = {
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{ 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF }
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};
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static struct hexium_data hexium_input_select[] = {
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{ 0x02, 0x60 },
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{ 0x02, 0x64 },
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{ 0x02, 0x61 },
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{ 0x02, 0x65 },
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{ 0x02, 0x62 },
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{ 0x02, 0x66 },
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{ 0x02, 0x68 },
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{ 0x02, 0x69 },
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{ 0x02, 0x6A },
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};
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/* fixme: h_offset = 0 for Hexium Gemini *Dual*, which
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are currently *not* supported*/
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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 = 28, .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 = 28, .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 = 28, .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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/* 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_ks0127b); i++) {
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data.byte = hexium_ks0127b[i];
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if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &data)) {
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pr_err("hexium_init_done() failed for address 0x%02x\n",
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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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DEB_D("\n");
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data.byte = hexium_input_select[input].byte;
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if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, hexium_input_select[input].adr, I2C_SMBUS_BYTE_DATA, &data)) {
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return -1;
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}
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return 0;
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}
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static int hexium_set_standard(struct hexium *hexium, struct hexium_data *vdec)
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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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while (vdec[i].adr != -1) {
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data.byte = vdec[i].byte;
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if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, vdec[i].adr, I2C_SMBUS_BYTE_DATA, &data)) {
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pr_err("hexium_init_done: hexium_set_standard() failed for address 0x%02x\n",
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i);
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return -1;
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}
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i++;
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}
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return 0;
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}
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static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
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{
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DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);
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if (i->index >= HEXIUM_INPUTS)
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return -EINVAL;
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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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static int vidioc_g_input(struct file *file, void *fh, unsigned int *input)
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{
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struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
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struct hexium *hexium = (struct hexium *) dev->ext_priv;
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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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static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
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{
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struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
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struct hexium *hexium = (struct hexium *) dev->ext_priv;
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DEB_EE("VIDIOC_S_INPUT %d\n", input);
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if (input >= HEXIUM_INPUTS)
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return -EINVAL;
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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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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;
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int ret;
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DEB_EE("\n");
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hexium = kzalloc(sizeof(*hexium), GFP_KERNEL);
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if (!hexium)
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return -ENOMEM;
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dev->ext_priv = hexium;
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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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strscpy(hexium->i2c_adapter.name, "hexium gemini",
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sizeof(hexium->i2c_adapter.name));
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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 HWControl GPIO number 2 */
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saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
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saa7146_write(dev, DD1_INIT, 0x07000700);
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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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/* the rest */
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hexium->cur_input = 0;
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hexium_init_done(dev);
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hexium_set_standard(hexium, hexium_pal);
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hexium->cur_std = V4L2_STD_PAL;
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hexium_set_input(hexium, 0);
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hexium->cur_input = 0;
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ret = saa7146_vv_init(dev, &vv_data);
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if (ret) {
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i2c_del_adapter(&hexium->i2c_adapter);
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kfree(hexium);
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return ret;
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}
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vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
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vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
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vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
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ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_VIDEO);
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if (ret < 0) {
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pr_err("cannot register capture v4l2 device. skipping.\n");
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saa7146_vv_release(dev);
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i2c_del_adapter(&hexium->i2c_adapter);
|
||
|
|
kfree(hexium);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
pr_info("found 'hexium gemini' frame grabber-%d\n", hexium_num);
|
||
|
|
hexium_num++;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int hexium_detach(struct saa7146_dev *dev)
|
||
|
|
{
|
||
|
|
struct hexium *hexium = (struct hexium *) dev->ext_priv;
|
||
|
|
|
||
|
|
DEB_EE("dev:%p\n", dev);
|
||
|
|
|
||
|
|
saa7146_unregister_device(&hexium->video_dev, dev);
|
||
|
|
saa7146_vv_release(dev);
|
||
|
|
|
||
|
|
hexium_num--;
|
||
|
|
|
||
|
|
i2c_del_adapter(&hexium->i2c_adapter);
|
||
|
|
kfree(hexium);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std)
|
||
|
|
{
|
||
|
|
struct hexium *hexium = (struct hexium *) dev->ext_priv;
|
||
|
|
|
||
|
|
if (V4L2_STD_PAL == std->id) {
|
||
|
|
hexium_set_standard(hexium, hexium_pal);
|
||
|
|
hexium->cur_std = V4L2_STD_PAL;
|
||
|
|
return 0;
|
||
|
|
} else if (V4L2_STD_NTSC == std->id) {
|
||
|
|
hexium_set_standard(hexium, hexium_ntsc);
|
||
|
|
hexium->cur_std = V4L2_STD_NTSC;
|
||
|
|
return 0;
|
||
|
|
} else if (V4L2_STD_SECAM == std->id) {
|
||
|
|
hexium_set_standard(hexium, hexium_secam);
|
||
|
|
hexium->cur_std = V4L2_STD_SECAM;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct saa7146_extension hexium_extension;
|
||
|
|
|
||
|
|
static struct saa7146_pci_extension_data hexium_gemini_4bnc = {
|
||
|
|
.ext_priv = "Hexium Gemini (4 BNC)",
|
||
|
|
.ext = &hexium_extension,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct saa7146_pci_extension_data hexium_gemini_dual_4bnc = {
|
||
|
|
.ext_priv = "Hexium Gemini Dual (4 BNC)",
|
||
|
|
.ext = &hexium_extension,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct pci_device_id pci_tbl[] = {
|
||
|
|
{
|
||
|
|
.vendor = PCI_VENDOR_ID_PHILIPS,
|
||
|
|
.device = PCI_DEVICE_ID_PHILIPS_SAA7146,
|
||
|
|
.subvendor = 0x17c8,
|
||
|
|
.subdevice = 0x2401,
|
||
|
|
.driver_data = (unsigned long) &hexium_gemini_4bnc,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.vendor = PCI_VENDOR_ID_PHILIPS,
|
||
|
|
.device = PCI_DEVICE_ID_PHILIPS_SAA7146,
|
||
|
|
.subvendor = 0x17c8,
|
||
|
|
.subdevice = 0x2402,
|
||
|
|
.driver_data = (unsigned long) &hexium_gemini_dual_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 = ARRAY_SIZE(hexium_standards),
|
||
|
|
.std_callback = &std_callback,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct saa7146_extension hexium_extension = {
|
||
|
|
.name = "hexium gemini",
|
||
|
|
.flags = SAA7146_USE_I2C_IRQ,
|
||
|
|
|
||
|
|
.pci_tbl = &pci_tbl[0],
|
||
|
|
.module = THIS_MODULE,
|
||
|
|
|
||
|
|
.attach = hexium_attach,
|
||
|
|
.detach = hexium_detach,
|
||
|
|
|
||
|
|
.irq_mask = 0,
|
||
|
|
.irq_func = NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init hexium_init_module(void)
|
||
|
|
{
|
||
|
|
if (0 != saa7146_register_extension(&hexium_extension)) {
|
||
|
|
DEB_S("failed to register extension\n");
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit hexium_cleanup_module(void)
|
||
|
|
{
|
||
|
|
saa7146_unregister_extension(&hexium_extension);
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(hexium_init_module);
|
||
|
|
module_exit(hexium_cleanup_module);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("video4linux-2 driver for Hexium Gemini frame grabber cards");
|
||
|
|
MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
|
||
|
|
MODULE_LICENSE("GPL");
|