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9c45817f41
asm/segment.h varies greatly on different architectures but is clearly deprecated. Removing all non-architecture consumers will make it easier for us to get ride of asm/segment.h all together. Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
1232 lines
32 KiB
C
1232 lines
32 KiB
C
/*
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* saa7114 - Philips SAA7114H video decoder driver version 0.0.1
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*
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* Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com>
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*
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* Based on saa7111 driver by Dave Perks
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*
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* Copyright (C) 1998 Dave Perks <dperks@ibm.net>
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*
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* Slight changes for video timing and attachment output by
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* Wolfgang Scherr <scherr@net4you.net>
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*
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* Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
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* - moved over to linux>=2.4.x i2c protocol (1/1/2003)
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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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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/kernel.h>
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#include <linux/major.h>
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#include <linux/slab.h>
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#include <linux/mm.h>
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#include <linux/pci.h>
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#include <linux/signal.h>
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#include <asm/io.h>
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#include <asm/pgtable.h>
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#include <asm/page.h>
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#include <linux/sched.h>
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#include <linux/types.h>
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#include <linux/videodev.h>
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#include <asm/uaccess.h>
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MODULE_DESCRIPTION("Philips SAA7114H video decoder driver");
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MODULE_AUTHOR("Maxim Yevtyushkin");
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MODULE_LICENSE("GPL");
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#include <linux/i2c.h>
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#include <linux/i2c-dev.h>
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#define I2C_NAME(x) (x)->name
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#include <linux/video_decoder.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 level (0-1)");
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#define dprintk(num, format, args...) \
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do { \
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if (debug >= num) \
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printk(format, ##args); \
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} while (0)
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/* ----------------------------------------------------------------------- */
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struct saa7114 {
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unsigned char reg[0xf0 * 2];
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int norm;
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int input;
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int enable;
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int bright;
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int contrast;
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int hue;
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int sat;
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int playback;
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};
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#define I2C_SAA7114 0x42
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#define I2C_SAA7114A 0x40
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#define I2C_DELAY 10
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//#define SAA_7114_NTSC_HSYNC_START (-3)
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//#define SAA_7114_NTSC_HSYNC_STOP (-18)
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#define SAA_7114_NTSC_HSYNC_START (-17)
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#define SAA_7114_NTSC_HSYNC_STOP (-32)
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//#define SAA_7114_NTSC_HOFFSET (5)
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#define SAA_7114_NTSC_HOFFSET (6)
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#define SAA_7114_NTSC_VOFFSET (10)
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#define SAA_7114_NTSC_WIDTH (720)
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#define SAA_7114_NTSC_HEIGHT (250)
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#define SAA_7114_SECAM_HSYNC_START (-17)
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#define SAA_7114_SECAM_HSYNC_STOP (-32)
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#define SAA_7114_SECAM_HOFFSET (2)
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#define SAA_7114_SECAM_VOFFSET (10)
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#define SAA_7114_SECAM_WIDTH (720)
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#define SAA_7114_SECAM_HEIGHT (300)
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#define SAA_7114_PAL_HSYNC_START (-17)
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#define SAA_7114_PAL_HSYNC_STOP (-32)
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#define SAA_7114_PAL_HOFFSET (2)
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#define SAA_7114_PAL_VOFFSET (10)
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#define SAA_7114_PAL_WIDTH (720)
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#define SAA_7114_PAL_HEIGHT (300)
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#define SAA_7114_VERTICAL_CHROMA_OFFSET 0 //0x50504040
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#define SAA_7114_VERTICAL_LUMA_OFFSET 0
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#define REG_ADDR(x) (((x) << 1) + 1)
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#define LOBYTE(x) ((unsigned char)((x) & 0xff))
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#define HIBYTE(x) ((unsigned char)(((x) >> 8) & 0xff))
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#define LOWORD(x) ((unsigned short int)((x) & 0xffff))
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#define HIWORD(x) ((unsigned short int)(((x) >> 16) & 0xffff))
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/* ----------------------------------------------------------------------- */
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static inline int
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saa7114_write (struct i2c_client *client,
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u8 reg,
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u8 value)
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{
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/*struct saa7114 *decoder = i2c_get_clientdata(client);*/
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/*decoder->reg[reg] = value;*/
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return i2c_smbus_write_byte_data(client, reg, value);
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}
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static int
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saa7114_write_block (struct i2c_client *client,
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const u8 *data,
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unsigned int len)
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{
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int ret = -1;
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u8 reg;
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/* the saa7114 has an autoincrement function, use it if
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* the adapter understands raw I2C */
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if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
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/* do raw I2C, not smbus compatible */
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/*struct saa7114 *decoder = i2c_get_clientdata(client);*/
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struct i2c_msg msg;
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u8 block_data[32];
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msg.addr = client->addr;
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msg.flags = 0;
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while (len >= 2) {
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msg.buf = (char *) block_data;
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msg.len = 0;
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block_data[msg.len++] = reg = data[0];
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do {
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block_data[msg.len++] =
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/*decoder->reg[reg++] =*/ data[1];
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len -= 2;
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data += 2;
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} while (len >= 2 && data[0] == reg &&
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msg.len < 32);
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if ((ret = i2c_transfer(client->adapter,
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&msg, 1)) < 0)
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break;
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}
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} else {
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/* do some slow I2C emulation kind of thing */
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while (len >= 2) {
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reg = *data++;
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if ((ret = saa7114_write(client, reg,
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*data++)) < 0)
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break;
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len -= 2;
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}
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}
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return ret;
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}
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static inline int
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saa7114_read (struct i2c_client *client,
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u8 reg)
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{
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return i2c_smbus_read_byte_data(client, reg);
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}
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/* ----------------------------------------------------------------------- */
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// initially set NTSC, composite
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static const unsigned char init[] = {
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0x00, 0x00, /* 00 - ID byte , chip version,
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* read only */
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0x01, 0x08, /* 01 - X,X,X,X, IDEL3 to IDEL0 -
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* horizontal increment delay,
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* recommended position */
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0x02, 0x00, /* 02 - FUSE=3, GUDL=2, MODE=0 ;
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* input control */
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0x03, 0x10, /* 03 - HLNRS=0, VBSL=1, WPOFF=0,
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* HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
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0x04, 0x90, /* 04 - GAI1=256 */
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0x05, 0x90, /* 05 - GAI2=256 */
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0x06, SAA_7114_NTSC_HSYNC_START, /* 06 - HSB: hsync start,
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* depends on the video standard */
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0x07, SAA_7114_NTSC_HSYNC_STOP, /* 07 - HSS: hsync stop, depends
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*on the video standard */
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0x08, 0xb8, /* 08 - AUFD=1, FSEL=1, EXFIL=0, VTRC=1,
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* HPLL: free running in playback, locked
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* in capture, VNOI=0 */
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0x09, 0x80, /* 09 - BYPS=0, PREF=0, BPSS=0, VBLB=0,
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* UPTCV=0, APER=1; depends from input */
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0x0a, 0x80, /* 0a - BRIG=128 */
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0x0b, 0x44, /* 0b - CONT=1.109 */
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0x0c, 0x40, /* 0c - SATN=1.0 */
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0x0d, 0x00, /* 0d - HUE=0 */
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0x0e, 0x84, /* 0e - CDTO, CSTD2 to 0, DCVF, FCTC,
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* CCOMB; depends from video standard */
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0x0f, 0x24, /* 0f - ACGC,CGAIN6 to CGAIN0; depends
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* from video standard */
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0x10, 0x03, /* 10 - OFFU1 to 0, OFFV1 to 0, CHBW,
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* LCBW2 to 0 */
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0x11, 0x59, /* 11 - COLO, RTP1, HEDL1 to 0, RTP0,
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* YDEL2 to 0 */
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0x12, 0xc9, /* 12 - RT signal control RTSE13 to 10
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* and 03 to 00 */
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0x13, 0x80, /* 13 - RT/X port output control */
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0x14, 0x00, /* 14 - analog, ADC, compatibility control */
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0x15, 0x00, /* 15 - VGATE start FID change */
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0x16, 0xfe, /* 16 - VGATE stop */
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0x17, 0x00, /* 17 - Misc., VGATE MSBs */
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0x18, 0x40, /* RAWG */
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0x19, 0x80, /* RAWO */
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0x1a, 0x00,
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0x1b, 0x00,
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0x1c, 0x00,
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0x1d, 0x00,
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0x1e, 0x00,
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0x1f, 0x00, /* status byte, read only */
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0x20, 0x00, /* video decoder reserved part */
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0x21, 0x00,
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0x22, 0x00,
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0x23, 0x00,
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0x24, 0x00,
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0x25, 0x00,
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0x26, 0x00,
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0x27, 0x00,
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0x28, 0x00,
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0x29, 0x00,
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0x2a, 0x00,
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0x2b, 0x00,
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0x2c, 0x00,
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0x2d, 0x00,
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0x2e, 0x00,
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0x2f, 0x00,
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0x30, 0xbc, /* audio clock generator */
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0x31, 0xdf,
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0x32, 0x02,
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0x33, 0x00,
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0x34, 0xcd,
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0x35, 0xcc,
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0x36, 0x3a,
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0x37, 0x00,
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0x38, 0x03,
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0x39, 0x10,
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0x3a, 0x00,
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0x3b, 0x00,
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0x3c, 0x00,
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0x3d, 0x00,
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0x3e, 0x00,
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0x3f, 0x00,
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0x40, 0x00, /* VBI data slicer */
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0x41, 0xff,
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0x42, 0xff,
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0x43, 0xff,
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0x44, 0xff,
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0x45, 0xff,
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0x46, 0xff,
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0x47, 0xff,
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0x48, 0xff,
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0x49, 0xff,
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0x4a, 0xff,
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0x4b, 0xff,
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0x4c, 0xff,
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0x4d, 0xff,
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0x4e, 0xff,
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0x4f, 0xff,
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0x50, 0xff,
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0x51, 0xff,
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0x52, 0xff,
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0x53, 0xff,
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0x54, 0xff,
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0x55, 0xff,
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0x56, 0xff,
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0x57, 0xff,
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0x58, 0x40, // framing code
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0x59, 0x47, // horizontal offset
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0x5a, 0x06, // vertical offset
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0x5b, 0x83, // field offset
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0x5c, 0x00, // reserved
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0x5d, 0x3e, // header and data
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0x5e, 0x00, // sliced data
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0x5f, 0x00, // reserved
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0x60, 0x00, /* video decoder reserved part */
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0x61, 0x00,
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0x62, 0x00,
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0x63, 0x00,
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0x64, 0x00,
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0x65, 0x00,
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0x66, 0x00,
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0x67, 0x00,
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0x68, 0x00,
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0x69, 0x00,
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0x6a, 0x00,
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0x6b, 0x00,
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0x6c, 0x00,
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0x6d, 0x00,
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0x6e, 0x00,
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0x6f, 0x00,
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0x70, 0x00, /* video decoder reserved part */
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0x71, 0x00,
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0x72, 0x00,
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0x73, 0x00,
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0x74, 0x00,
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0x75, 0x00,
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0x76, 0x00,
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0x77, 0x00,
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0x78, 0x00,
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0x79, 0x00,
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0x7a, 0x00,
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0x7b, 0x00,
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0x7c, 0x00,
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0x7d, 0x00,
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0x7e, 0x00,
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0x7f, 0x00,
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0x80, 0x00, /* X-port, I-port and scaler */
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0x81, 0x00,
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0x82, 0x00,
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0x83, 0x00,
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0x84, 0xc5,
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0x85, 0x0d, // hsync and vsync ?
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0x86, 0x40,
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0x87, 0x01,
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0x88, 0x00,
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0x89, 0x00,
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0x8a, 0x00,
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0x8b, 0x00,
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0x8c, 0x00,
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0x8d, 0x00,
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0x8e, 0x00,
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0x8f, 0x00,
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0x90, 0x03, /* Task A definition */
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0x91, 0x08,
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0x92, 0x00,
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0x93, 0x40,
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0x94, 0x00, // window settings
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0x95, 0x00,
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0x96, 0x00,
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0x97, 0x00,
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0x98, 0x00,
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0x99, 0x00,
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0x9a, 0x00,
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0x9b, 0x00,
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0x9c, 0x00,
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0x9d, 0x00,
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0x9e, 0x00,
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0x9f, 0x00,
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0xa0, 0x01, /* horizontal integer prescaling ratio */
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0xa1, 0x00, /* horizontal prescaler accumulation
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* sequence length */
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0xa2, 0x00, /* UV FIR filter, Y FIR filter, prescaler
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* DC gain */
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0xa3, 0x00,
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0xa4, 0x80, // luminance brightness
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0xa5, 0x40, // luminance gain
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0xa6, 0x40, // chrominance saturation
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0xa7, 0x00,
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0xa8, 0x00, // horizontal luminance scaling increment
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0xa9, 0x04,
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0xaa, 0x00, // horizontal luminance phase offset
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0xab, 0x00,
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0xac, 0x00, // horizontal chrominance scaling increment
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0xad, 0x02,
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0xae, 0x00, // horizontal chrominance phase offset
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0xaf, 0x00,
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0xb0, 0x00, // vertical luminance scaling increment
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0xb1, 0x04,
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0xb2, 0x00, // vertical chrominance scaling increment
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0xb3, 0x04,
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0xb4, 0x00,
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0xb5, 0x00,
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0xb6, 0x00,
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0xb7, 0x00,
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0xb8, 0x00,
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0xb9, 0x00,
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0xba, 0x00,
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0xbb, 0x00,
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0xbc, 0x00,
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0xbd, 0x00,
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0xbe, 0x00,
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0xbf, 0x00,
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0xc0, 0x02, // Task B definition
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0xc1, 0x08,
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0xc2, 0x00,
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0xc3, 0x40,
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0xc4, 0x00, // window settings
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0xc5, 0x00,
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0xc6, 0x00,
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0xc7, 0x00,
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0xc8, 0x00,
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0xc9, 0x00,
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0xca, 0x00,
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0xcb, 0x00,
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0xcc, 0x00,
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0xcd, 0x00,
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0xce, 0x00,
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0xcf, 0x00,
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0xd0, 0x01, // horizontal integer prescaling ratio
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0xd1, 0x00, // horizontal prescaler accumulation sequence length
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0xd2, 0x00, // UV FIR filter, Y FIR filter, prescaler DC gain
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0xd3, 0x00,
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0xd4, 0x80, // luminance brightness
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0xd5, 0x40, // luminance gain
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0xd6, 0x40, // chrominance saturation
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0xd7, 0x00,
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0xd8, 0x00, // horizontal luminance scaling increment
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0xd9, 0x04,
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0xda, 0x00, // horizontal luminance phase offset
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0xdb, 0x00,
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0xdc, 0x00, // horizontal chrominance scaling increment
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0xdd, 0x02,
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0xde, 0x00, // horizontal chrominance phase offset
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0xdf, 0x00,
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0xe0, 0x00, // vertical luminance scaling increment
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0xe1, 0x04,
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0xe2, 0x00, // vertical chrominance scaling increment
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0xe3, 0x04,
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0xe4, 0x00,
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0xe5, 0x00,
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0xe6, 0x00,
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0xe7, 0x00,
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0xe8, 0x00,
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0xe9, 0x00,
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0xea, 0x00,
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0xeb, 0x00,
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0xec, 0x00,
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0xed, 0x00,
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0xee, 0x00,
|
|
0xef, 0x00
|
|
};
|
|
|
|
static int
|
|
saa7114_command (struct i2c_client *client,
|
|
unsigned int cmd,
|
|
void *arg)
|
|
{
|
|
struct saa7114 *decoder = i2c_get_clientdata(client);
|
|
|
|
switch (cmd) {
|
|
|
|
case 0:
|
|
//dprintk(1, KERN_INFO "%s: writing init\n", I2C_NAME(client));
|
|
//saa7114_write_block(client, init, sizeof(init));
|
|
break;
|
|
|
|
case DECODER_DUMP:
|
|
{
|
|
int i;
|
|
|
|
dprintk(1, KERN_INFO "%s: decoder dump\n", I2C_NAME(client));
|
|
|
|
for (i = 0; i < 32; i += 16) {
|
|
int j;
|
|
|
|
printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
|
|
for (j = 0; j < 16; ++j) {
|
|
printk(" %02x",
|
|
saa7114_read(client, i + j));
|
|
}
|
|
printk("\n");
|
|
}
|
|
}
|
|
break;
|
|
|
|
case DECODER_GET_CAPABILITIES:
|
|
{
|
|
struct video_decoder_capability *cap = arg;
|
|
|
|
dprintk(1, KERN_DEBUG "%s: decoder get capabilities\n",
|
|
I2C_NAME(client));
|
|
|
|
cap->flags = VIDEO_DECODER_PAL |
|
|
VIDEO_DECODER_NTSC |
|
|
VIDEO_DECODER_AUTO |
|
|
VIDEO_DECODER_CCIR;
|
|
cap->inputs = 8;
|
|
cap->outputs = 1;
|
|
}
|
|
break;
|
|
|
|
case DECODER_GET_STATUS:
|
|
{
|
|
int *iarg = arg;
|
|
int status;
|
|
int res;
|
|
|
|
status = saa7114_read(client, 0x1f);
|
|
|
|
dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client),
|
|
status);
|
|
res = 0;
|
|
if ((status & (1 << 6)) == 0) {
|
|
res |= DECODER_STATUS_GOOD;
|
|
}
|
|
switch (decoder->norm) {
|
|
case VIDEO_MODE_NTSC:
|
|
res |= DECODER_STATUS_NTSC;
|
|
break;
|
|
case VIDEO_MODE_PAL:
|
|
res |= DECODER_STATUS_PAL;
|
|
break;
|
|
case VIDEO_MODE_SECAM:
|
|
res |= DECODER_STATUS_SECAM;
|
|
break;
|
|
default:
|
|
case VIDEO_MODE_AUTO:
|
|
if ((status & (1 << 5)) != 0) {
|
|
res |= DECODER_STATUS_NTSC;
|
|
} else {
|
|
res |= DECODER_STATUS_PAL;
|
|
}
|
|
break;
|
|
}
|
|
if ((status & (1 << 0)) != 0) {
|
|
res |= DECODER_STATUS_COLOR;
|
|
}
|
|
*iarg = res;
|
|
}
|
|
break;
|
|
|
|
case DECODER_SET_NORM:
|
|
{
|
|
int *iarg = arg;
|
|
|
|
short int hoff = 0, voff = 0, w = 0, h = 0;
|
|
|
|
dprintk(1, KERN_DEBUG "%s: decoder set norm ",
|
|
I2C_NAME(client));
|
|
switch (*iarg) {
|
|
|
|
case VIDEO_MODE_NTSC:
|
|
dprintk(1, "NTSC\n");
|
|
decoder->reg[REG_ADDR(0x06)] =
|
|
SAA_7114_NTSC_HSYNC_START;
|
|
decoder->reg[REG_ADDR(0x07)] =
|
|
SAA_7114_NTSC_HSYNC_STOP;
|
|
|
|
decoder->reg[REG_ADDR(0x08)] = decoder->playback ? 0x7c : 0xb8; // PLL free when playback, PLL close when capture
|
|
|
|
decoder->reg[REG_ADDR(0x0e)] = 0x85;
|
|
decoder->reg[REG_ADDR(0x0f)] = 0x24;
|
|
|
|
hoff = SAA_7114_NTSC_HOFFSET;
|
|
voff = SAA_7114_NTSC_VOFFSET;
|
|
w = SAA_7114_NTSC_WIDTH;
|
|
h = SAA_7114_NTSC_HEIGHT;
|
|
|
|
break;
|
|
|
|
case VIDEO_MODE_PAL:
|
|
dprintk(1, "PAL\n");
|
|
decoder->reg[REG_ADDR(0x06)] =
|
|
SAA_7114_PAL_HSYNC_START;
|
|
decoder->reg[REG_ADDR(0x07)] =
|
|
SAA_7114_PAL_HSYNC_STOP;
|
|
|
|
decoder->reg[REG_ADDR(0x08)] = decoder->playback ? 0x7c : 0xb8; // PLL free when playback, PLL close when capture
|
|
|
|
decoder->reg[REG_ADDR(0x0e)] = 0x81;
|
|
decoder->reg[REG_ADDR(0x0f)] = 0x24;
|
|
|
|
hoff = SAA_7114_PAL_HOFFSET;
|
|
voff = SAA_7114_PAL_VOFFSET;
|
|
w = SAA_7114_PAL_WIDTH;
|
|
h = SAA_7114_PAL_HEIGHT;
|
|
|
|
break;
|
|
|
|
default:
|
|
dprintk(1, " Unknown video mode!!!\n");
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
decoder->reg[REG_ADDR(0x94)] = LOBYTE(hoff); // hoffset low
|
|
decoder->reg[REG_ADDR(0x95)] = HIBYTE(hoff) & 0x0f; // hoffset high
|
|
decoder->reg[REG_ADDR(0x96)] = LOBYTE(w); // width low
|
|
decoder->reg[REG_ADDR(0x97)] = HIBYTE(w) & 0x0f; // width high
|
|
decoder->reg[REG_ADDR(0x98)] = LOBYTE(voff); // voffset low
|
|
decoder->reg[REG_ADDR(0x99)] = HIBYTE(voff) & 0x0f; // voffset high
|
|
decoder->reg[REG_ADDR(0x9a)] = LOBYTE(h + 2); // height low
|
|
decoder->reg[REG_ADDR(0x9b)] = HIBYTE(h + 2) & 0x0f; // height high
|
|
decoder->reg[REG_ADDR(0x9c)] = LOBYTE(w); // out width low
|
|
decoder->reg[REG_ADDR(0x9d)] = HIBYTE(w) & 0x0f; // out width high
|
|
decoder->reg[REG_ADDR(0x9e)] = LOBYTE(h); // out height low
|
|
decoder->reg[REG_ADDR(0x9f)] = HIBYTE(h) & 0x0f; // out height high
|
|
|
|
decoder->reg[REG_ADDR(0xc4)] = LOBYTE(hoff); // hoffset low
|
|
decoder->reg[REG_ADDR(0xc5)] = HIBYTE(hoff) & 0x0f; // hoffset high
|
|
decoder->reg[REG_ADDR(0xc6)] = LOBYTE(w); // width low
|
|
decoder->reg[REG_ADDR(0xc7)] = HIBYTE(w) & 0x0f; // width high
|
|
decoder->reg[REG_ADDR(0xc8)] = LOBYTE(voff); // voffset low
|
|
decoder->reg[REG_ADDR(0xc9)] = HIBYTE(voff) & 0x0f; // voffset high
|
|
decoder->reg[REG_ADDR(0xca)] = LOBYTE(h + 2); // height low
|
|
decoder->reg[REG_ADDR(0xcb)] = HIBYTE(h + 2) & 0x0f; // height high
|
|
decoder->reg[REG_ADDR(0xcc)] = LOBYTE(w); // out width low
|
|
decoder->reg[REG_ADDR(0xcd)] = HIBYTE(w) & 0x0f; // out width high
|
|
decoder->reg[REG_ADDR(0xce)] = LOBYTE(h); // out height low
|
|
decoder->reg[REG_ADDR(0xcf)] = HIBYTE(h) & 0x0f; // out height high
|
|
|
|
|
|
saa7114_write(client, 0x80, 0x06); // i-port and scaler back end clock selection, task A&B off
|
|
saa7114_write(client, 0x88, 0xd8); // sw reset scaler
|
|
saa7114_write(client, 0x88, 0xf8); // sw reset scaler release
|
|
|
|
saa7114_write_block(client, decoder->reg + (0x06 << 1),
|
|
3 << 1);
|
|
saa7114_write_block(client, decoder->reg + (0x0e << 1),
|
|
2 << 1);
|
|
saa7114_write_block(client, decoder->reg + (0x5a << 1),
|
|
2 << 1);
|
|
|
|
saa7114_write_block(client, decoder->reg + (0x94 << 1),
|
|
(0x9f + 1 - 0x94) << 1);
|
|
saa7114_write_block(client, decoder->reg + (0xc4 << 1),
|
|
(0xcf + 1 - 0xc4) << 1);
|
|
|
|
saa7114_write(client, 0x88, 0xd8); // sw reset scaler
|
|
saa7114_write(client, 0x88, 0xf8); // sw reset scaler release
|
|
saa7114_write(client, 0x80, 0x36); // i-port and scaler back end clock selection
|
|
|
|
decoder->norm = *iarg;
|
|
}
|
|
break;
|
|
|
|
case DECODER_SET_INPUT:
|
|
{
|
|
int *iarg = arg;
|
|
|
|
dprintk(1, KERN_DEBUG "%s: decoder set input (%d)\n",
|
|
I2C_NAME(client), *iarg);
|
|
if (*iarg < 0 || *iarg > 7) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (decoder->input != *iarg) {
|
|
dprintk(1, KERN_DEBUG "%s: now setting %s input\n",
|
|
I2C_NAME(client),
|
|
*iarg >= 6 ? "S-Video" : "Composite");
|
|
decoder->input = *iarg;
|
|
|
|
/* select mode */
|
|
decoder->reg[REG_ADDR(0x02)] =
|
|
(decoder->
|
|
reg[REG_ADDR(0x02)] & 0xf0) | (decoder->
|
|
input <
|
|
6 ? 0x0 : 0x9);
|
|
saa7114_write(client, 0x02,
|
|
decoder->reg[REG_ADDR(0x02)]);
|
|
|
|
/* bypass chrominance trap for modes 6..9 */
|
|
decoder->reg[REG_ADDR(0x09)] =
|
|
(decoder->
|
|
reg[REG_ADDR(0x09)] & 0x7f) | (decoder->
|
|
input <
|
|
6 ? 0x0 :
|
|
0x80);
|
|
saa7114_write(client, 0x09,
|
|
decoder->reg[REG_ADDR(0x09)]);
|
|
|
|
decoder->reg[REG_ADDR(0x0e)] =
|
|
decoder->input <
|
|
6 ? decoder->
|
|
reg[REG_ADDR(0x0e)] | 1 : decoder->
|
|
reg[REG_ADDR(0x0e)] & ~1;
|
|
saa7114_write(client, 0x0e,
|
|
decoder->reg[REG_ADDR(0x0e)]);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case DECODER_SET_OUTPUT:
|
|
{
|
|
int *iarg = arg;
|
|
|
|
dprintk(1, KERN_DEBUG "%s: decoder set output\n",
|
|
I2C_NAME(client));
|
|
|
|
/* not much choice of outputs */
|
|
if (*iarg != 0) {
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case DECODER_ENABLE_OUTPUT:
|
|
{
|
|
int *iarg = arg;
|
|
int enable = (*iarg != 0);
|
|
|
|
dprintk(1, KERN_DEBUG "%s: decoder %s output\n",
|
|
I2C_NAME(client), enable ? "enable" : "disable");
|
|
|
|
decoder->playback = !enable;
|
|
|
|
if (decoder->enable != enable) {
|
|
decoder->enable = enable;
|
|
|
|
/* RJ: If output should be disabled (for
|
|
* playing videos), we also need a open PLL.
|
|
* The input is set to 0 (where no input
|
|
* source is connected), although this
|
|
* is not necessary.
|
|
*
|
|
* If output should be enabled, we have to
|
|
* reverse the above.
|
|
*/
|
|
|
|
if (decoder->enable) {
|
|
decoder->reg[REG_ADDR(0x08)] = 0xb8;
|
|
decoder->reg[REG_ADDR(0x12)] = 0xc9;
|
|
decoder->reg[REG_ADDR(0x13)] = 0x80;
|
|
decoder->reg[REG_ADDR(0x87)] = 0x01;
|
|
} else {
|
|
decoder->reg[REG_ADDR(0x08)] = 0x7c;
|
|
decoder->reg[REG_ADDR(0x12)] = 0x00;
|
|
decoder->reg[REG_ADDR(0x13)] = 0x00;
|
|
decoder->reg[REG_ADDR(0x87)] = 0x00;
|
|
}
|
|
|
|
saa7114_write_block(client,
|
|
decoder->reg + (0x12 << 1),
|
|
2 << 1);
|
|
saa7114_write(client, 0x08,
|
|
decoder->reg[REG_ADDR(0x08)]);
|
|
saa7114_write(client, 0x87,
|
|
decoder->reg[REG_ADDR(0x87)]);
|
|
saa7114_write(client, 0x88, 0xd8); // sw reset scaler
|
|
saa7114_write(client, 0x88, 0xf8); // sw reset scaler release
|
|
saa7114_write(client, 0x80, 0x36);
|
|
|
|
}
|
|
}
|
|
break;
|
|
|
|
case DECODER_SET_PICTURE:
|
|
{
|
|
struct video_picture *pic = arg;
|
|
|
|
dprintk(1,
|
|
KERN_DEBUG
|
|
"%s: decoder set picture bright=%d contrast=%d saturation=%d hue=%d\n",
|
|
I2C_NAME(client), pic->brightness, pic->contrast,
|
|
pic->colour, pic->hue);
|
|
|
|
if (decoder->bright != pic->brightness) {
|
|
/* We want 0 to 255 we get 0-65535 */
|
|
decoder->bright = pic->brightness;
|
|
saa7114_write(client, 0x0a, decoder->bright >> 8);
|
|
}
|
|
if (decoder->contrast != pic->contrast) {
|
|
/* We want 0 to 127 we get 0-65535 */
|
|
decoder->contrast = pic->contrast;
|
|
saa7114_write(client, 0x0b,
|
|
decoder->contrast >> 9);
|
|
}
|
|
if (decoder->sat != pic->colour) {
|
|
/* We want 0 to 127 we get 0-65535 */
|
|
decoder->sat = pic->colour;
|
|
saa7114_write(client, 0x0c, decoder->sat >> 9);
|
|
}
|
|
if (decoder->hue != pic->hue) {
|
|
/* We want -128 to 127 we get 0-65535 */
|
|
decoder->hue = pic->hue;
|
|
saa7114_write(client, 0x0d,
|
|
(decoder->hue - 32768) >> 8);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
/*
|
|
* Generic i2c probe
|
|
* concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
|
|
*/
|
|
static unsigned short normal_i2c[] =
|
|
{ I2C_SAA7114 >> 1, I2C_SAA7114A >> 1, I2C_CLIENT_END };
|
|
|
|
static unsigned short ignore = I2C_CLIENT_END;
|
|
|
|
static struct i2c_client_address_data addr_data = {
|
|
.normal_i2c = normal_i2c,
|
|
.probe = &ignore,
|
|
.ignore = &ignore,
|
|
};
|
|
|
|
static struct i2c_driver i2c_driver_saa7114;
|
|
|
|
static int
|
|
saa7114_detect_client (struct i2c_adapter *adapter,
|
|
int address,
|
|
int kind)
|
|
{
|
|
int i, err[30];
|
|
short int hoff = SAA_7114_NTSC_HOFFSET;
|
|
short int voff = SAA_7114_NTSC_VOFFSET;
|
|
short int w = SAA_7114_NTSC_WIDTH;
|
|
short int h = SAA_7114_NTSC_HEIGHT;
|
|
struct i2c_client *client;
|
|
struct saa7114 *decoder;
|
|
|
|
dprintk(1,
|
|
KERN_INFO
|
|
"saa7114.c: detecting saa7114 client on address 0x%x\n",
|
|
address << 1);
|
|
|
|
/* Check if the adapter supports the needed features */
|
|
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
|
|
return 0;
|
|
|
|
client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
|
|
if (client == 0)
|
|
return -ENOMEM;
|
|
memset(client, 0, sizeof(struct i2c_client));
|
|
client->addr = address;
|
|
client->adapter = adapter;
|
|
client->driver = &i2c_driver_saa7114;
|
|
client->flags = I2C_CLIENT_ALLOW_USE;
|
|
strlcpy(I2C_NAME(client), "saa7114", sizeof(I2C_NAME(client)));
|
|
|
|
decoder = kmalloc(sizeof(struct saa7114), GFP_KERNEL);
|
|
if (decoder == NULL) {
|
|
kfree(client);
|
|
return -ENOMEM;
|
|
}
|
|
memset(decoder, 0, sizeof(struct saa7114));
|
|
decoder->norm = VIDEO_MODE_NTSC;
|
|
decoder->input = -1;
|
|
decoder->enable = 1;
|
|
decoder->bright = 32768;
|
|
decoder->contrast = 32768;
|
|
decoder->hue = 32768;
|
|
decoder->sat = 32768;
|
|
decoder->playback = 0; // initially capture mode useda
|
|
i2c_set_clientdata(client, decoder);
|
|
|
|
memcpy(decoder->reg, init, sizeof(init));
|
|
|
|
decoder->reg[REG_ADDR(0x94)] = LOBYTE(hoff); // hoffset low
|
|
decoder->reg[REG_ADDR(0x95)] = HIBYTE(hoff) & 0x0f; // hoffset high
|
|
decoder->reg[REG_ADDR(0x96)] = LOBYTE(w); // width low
|
|
decoder->reg[REG_ADDR(0x97)] = HIBYTE(w) & 0x0f; // width high
|
|
decoder->reg[REG_ADDR(0x98)] = LOBYTE(voff); // voffset low
|
|
decoder->reg[REG_ADDR(0x99)] = HIBYTE(voff) & 0x0f; // voffset high
|
|
decoder->reg[REG_ADDR(0x9a)] = LOBYTE(h + 2); // height low
|
|
decoder->reg[REG_ADDR(0x9b)] = HIBYTE(h + 2) & 0x0f; // height high
|
|
decoder->reg[REG_ADDR(0x9c)] = LOBYTE(w); // out width low
|
|
decoder->reg[REG_ADDR(0x9d)] = HIBYTE(w) & 0x0f; // out width high
|
|
decoder->reg[REG_ADDR(0x9e)] = LOBYTE(h); // out height low
|
|
decoder->reg[REG_ADDR(0x9f)] = HIBYTE(h) & 0x0f; // out height high
|
|
|
|
decoder->reg[REG_ADDR(0xc4)] = LOBYTE(hoff); // hoffset low
|
|
decoder->reg[REG_ADDR(0xc5)] = HIBYTE(hoff) & 0x0f; // hoffset high
|
|
decoder->reg[REG_ADDR(0xc6)] = LOBYTE(w); // width low
|
|
decoder->reg[REG_ADDR(0xc7)] = HIBYTE(w) & 0x0f; // width high
|
|
decoder->reg[REG_ADDR(0xc8)] = LOBYTE(voff); // voffset low
|
|
decoder->reg[REG_ADDR(0xc9)] = HIBYTE(voff) & 0x0f; // voffset high
|
|
decoder->reg[REG_ADDR(0xca)] = LOBYTE(h + 2); // height low
|
|
decoder->reg[REG_ADDR(0xcb)] = HIBYTE(h + 2) & 0x0f; // height high
|
|
decoder->reg[REG_ADDR(0xcc)] = LOBYTE(w); // out width low
|
|
decoder->reg[REG_ADDR(0xcd)] = HIBYTE(w) & 0x0f; // out width high
|
|
decoder->reg[REG_ADDR(0xce)] = LOBYTE(h); // out height low
|
|
decoder->reg[REG_ADDR(0xcf)] = HIBYTE(h) & 0x0f; // out height high
|
|
|
|
decoder->reg[REG_ADDR(0xb8)] =
|
|
LOBYTE(LOWORD(SAA_7114_VERTICAL_CHROMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xb9)] =
|
|
HIBYTE(LOWORD(SAA_7114_VERTICAL_CHROMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xba)] =
|
|
LOBYTE(HIWORD(SAA_7114_VERTICAL_CHROMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xbb)] =
|
|
HIBYTE(HIWORD(SAA_7114_VERTICAL_CHROMA_OFFSET));
|
|
|
|
decoder->reg[REG_ADDR(0xbc)] =
|
|
LOBYTE(LOWORD(SAA_7114_VERTICAL_LUMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xbd)] =
|
|
HIBYTE(LOWORD(SAA_7114_VERTICAL_LUMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xbe)] =
|
|
LOBYTE(HIWORD(SAA_7114_VERTICAL_LUMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xbf)] =
|
|
HIBYTE(HIWORD(SAA_7114_VERTICAL_LUMA_OFFSET));
|
|
|
|
decoder->reg[REG_ADDR(0xe8)] =
|
|
LOBYTE(LOWORD(SAA_7114_VERTICAL_CHROMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xe9)] =
|
|
HIBYTE(LOWORD(SAA_7114_VERTICAL_CHROMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xea)] =
|
|
LOBYTE(HIWORD(SAA_7114_VERTICAL_CHROMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xeb)] =
|
|
HIBYTE(HIWORD(SAA_7114_VERTICAL_CHROMA_OFFSET));
|
|
|
|
decoder->reg[REG_ADDR(0xec)] =
|
|
LOBYTE(LOWORD(SAA_7114_VERTICAL_LUMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xed)] =
|
|
HIBYTE(LOWORD(SAA_7114_VERTICAL_LUMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xee)] =
|
|
LOBYTE(HIWORD(SAA_7114_VERTICAL_LUMA_OFFSET));
|
|
decoder->reg[REG_ADDR(0xef)] =
|
|
HIBYTE(HIWORD(SAA_7114_VERTICAL_LUMA_OFFSET));
|
|
|
|
|
|
decoder->reg[REG_ADDR(0x13)] = 0x80; // RTC0 on
|
|
decoder->reg[REG_ADDR(0x87)] = 0x01; // I-Port
|
|
decoder->reg[REG_ADDR(0x12)] = 0xc9; // RTS0
|
|
|
|
decoder->reg[REG_ADDR(0x02)] = 0xc0; // set composite1 input, aveasy
|
|
decoder->reg[REG_ADDR(0x09)] = 0x00; // chrominance trap
|
|
decoder->reg[REG_ADDR(0x0e)] |= 1; // combfilter on
|
|
|
|
|
|
dprintk(1, KERN_DEBUG "%s_attach: starting decoder init\n",
|
|
I2C_NAME(client));
|
|
|
|
err[0] =
|
|
saa7114_write_block(client, decoder->reg + (0x20 << 1),
|
|
0x10 << 1);
|
|
err[1] =
|
|
saa7114_write_block(client, decoder->reg + (0x30 << 1),
|
|
0x10 << 1);
|
|
err[2] =
|
|
saa7114_write_block(client, decoder->reg + (0x63 << 1),
|
|
(0x7f + 1 - 0x63) << 1);
|
|
err[3] =
|
|
saa7114_write_block(client, decoder->reg + (0x89 << 1),
|
|
6 << 1);
|
|
err[4] =
|
|
saa7114_write_block(client, decoder->reg + (0xb8 << 1),
|
|
8 << 1);
|
|
err[5] =
|
|
saa7114_write_block(client, decoder->reg + (0xe8 << 1),
|
|
8 << 1);
|
|
|
|
|
|
for (i = 0; i <= 5; i++) {
|
|
if (err[i] < 0) {
|
|
dprintk(1,
|
|
KERN_ERR
|
|
"%s_attach: init error %d at stage %d, leaving attach.\n",
|
|
I2C_NAME(client), i, err[i]);
|
|
kfree(decoder);
|
|
kfree(client);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
for (i = 6; i < 8; i++) {
|
|
dprintk(1,
|
|
KERN_DEBUG
|
|
"%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
|
|
I2C_NAME(client), i, saa7114_read(client, i),
|
|
decoder->reg[REG_ADDR(i)]);
|
|
}
|
|
|
|
dprintk(1,
|
|
KERN_DEBUG
|
|
"%s_attach: performing decoder reset sequence\n",
|
|
I2C_NAME(client));
|
|
|
|
err[6] = saa7114_write(client, 0x80, 0x06); // i-port and scaler backend clock selection, task A&B off
|
|
err[7] = saa7114_write(client, 0x88, 0xd8); // sw reset scaler
|
|
err[8] = saa7114_write(client, 0x88, 0xf8); // sw reset scaler release
|
|
|
|
for (i = 6; i <= 8; i++) {
|
|
if (err[i] < 0) {
|
|
dprintk(1,
|
|
KERN_ERR
|
|
"%s_attach: init error %d at stage %d, leaving attach.\n",
|
|
I2C_NAME(client), i, err[i]);
|
|
kfree(decoder);
|
|
kfree(client);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
dprintk(1, KERN_INFO "%s_attach: performing the rest of init\n",
|
|
I2C_NAME(client));
|
|
|
|
|
|
err[9] = saa7114_write(client, 0x01, decoder->reg[REG_ADDR(0x01)]);
|
|
err[10] = saa7114_write_block(client, decoder->reg + (0x03 << 1), (0x1e + 1 - 0x03) << 1); // big seq
|
|
err[11] = saa7114_write_block(client, decoder->reg + (0x40 << 1), (0x5f + 1 - 0x40) << 1); // slicer
|
|
err[12] = saa7114_write_block(client, decoder->reg + (0x81 << 1), 2 << 1); // ?
|
|
err[13] = saa7114_write_block(client, decoder->reg + (0x83 << 1), 5 << 1); // ?
|
|
err[14] = saa7114_write_block(client, decoder->reg + (0x90 << 1), 4 << 1); // Task A
|
|
err[15] =
|
|
saa7114_write_block(client, decoder->reg + (0x94 << 1),
|
|
12 << 1);
|
|
err[16] =
|
|
saa7114_write_block(client, decoder->reg + (0xa0 << 1),
|
|
8 << 1);
|
|
err[17] =
|
|
saa7114_write_block(client, decoder->reg + (0xa8 << 1),
|
|
8 << 1);
|
|
err[18] =
|
|
saa7114_write_block(client, decoder->reg + (0xb0 << 1),
|
|
8 << 1);
|
|
err[19] = saa7114_write_block(client, decoder->reg + (0xc0 << 1), 4 << 1); // Task B
|
|
err[15] =
|
|
saa7114_write_block(client, decoder->reg + (0xc4 << 1),
|
|
12 << 1);
|
|
err[16] =
|
|
saa7114_write_block(client, decoder->reg + (0xd0 << 1),
|
|
8 << 1);
|
|
err[17] =
|
|
saa7114_write_block(client, decoder->reg + (0xd8 << 1),
|
|
8 << 1);
|
|
err[18] =
|
|
saa7114_write_block(client, decoder->reg + (0xe0 << 1),
|
|
8 << 1);
|
|
|
|
for (i = 9; i <= 18; i++) {
|
|
if (err[i] < 0) {
|
|
dprintk(1,
|
|
KERN_ERR
|
|
"%s_attach: init error %d at stage %d, leaving attach.\n",
|
|
I2C_NAME(client), i, err[i]);
|
|
kfree(decoder);
|
|
kfree(client);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
for (i = 6; i < 8; i++) {
|
|
dprintk(1,
|
|
KERN_DEBUG
|
|
"%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
|
|
I2C_NAME(client), i, saa7114_read(client, i),
|
|
decoder->reg[REG_ADDR(i)]);
|
|
}
|
|
|
|
|
|
for (i = 0x11; i <= 0x13; i++) {
|
|
dprintk(1,
|
|
KERN_DEBUG
|
|
"%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
|
|
I2C_NAME(client), i, saa7114_read(client, i),
|
|
decoder->reg[REG_ADDR(i)]);
|
|
}
|
|
|
|
|
|
dprintk(1, KERN_DEBUG "%s_attach: setting video input\n",
|
|
I2C_NAME(client));
|
|
|
|
err[19] =
|
|
saa7114_write(client, 0x02, decoder->reg[REG_ADDR(0x02)]);
|
|
err[20] =
|
|
saa7114_write(client, 0x09, decoder->reg[REG_ADDR(0x09)]);
|
|
err[21] =
|
|
saa7114_write(client, 0x0e, decoder->reg[REG_ADDR(0x0e)]);
|
|
|
|
for (i = 19; i <= 21; i++) {
|
|
if (err[i] < 0) {
|
|
dprintk(1,
|
|
KERN_ERR
|
|
"%s_attach: init error %d at stage %d, leaving attach.\n",
|
|
I2C_NAME(client), i, err[i]);
|
|
kfree(decoder);
|
|
kfree(client);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
dprintk(1,
|
|
KERN_DEBUG
|
|
"%s_attach: performing decoder reset sequence\n",
|
|
I2C_NAME(client));
|
|
|
|
err[22] = saa7114_write(client, 0x88, 0xd8); // sw reset scaler
|
|
err[23] = saa7114_write(client, 0x88, 0xf8); // sw reset scaler release
|
|
err[24] = saa7114_write(client, 0x80, 0x36); // i-port and scaler backend clock selection, task A&B off
|
|
|
|
|
|
for (i = 22; i <= 24; i++) {
|
|
if (err[i] < 0) {
|
|
dprintk(1,
|
|
KERN_ERR
|
|
"%s_attach: init error %d at stage %d, leaving attach.\n",
|
|
I2C_NAME(client), i, err[i]);
|
|
kfree(decoder);
|
|
kfree(client);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
err[25] = saa7114_write(client, 0x06, init[REG_ADDR(0x06)]);
|
|
err[26] = saa7114_write(client, 0x07, init[REG_ADDR(0x07)]);
|
|
err[27] = saa7114_write(client, 0x10, init[REG_ADDR(0x10)]);
|
|
|
|
dprintk(1,
|
|
KERN_INFO
|
|
"%s_attach: chip version %x, decoder status 0x%02x\n",
|
|
I2C_NAME(client), saa7114_read(client, 0x00) >> 4,
|
|
saa7114_read(client, 0x1f));
|
|
dprintk(1,
|
|
KERN_DEBUG
|
|
"%s_attach: power save control: 0x%02x, scaler status: 0x%02x\n",
|
|
I2C_NAME(client), saa7114_read(client, 0x88),
|
|
saa7114_read(client, 0x8f));
|
|
|
|
|
|
for (i = 0x94; i < 0x96; i++) {
|
|
dprintk(1,
|
|
KERN_DEBUG
|
|
"%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
|
|
I2C_NAME(client), i, saa7114_read(client, i),
|
|
decoder->reg[REG_ADDR(i)]);
|
|
}
|
|
|
|
i = i2c_attach_client(client);
|
|
if (i) {
|
|
kfree(client);
|
|
kfree(decoder);
|
|
return i;
|
|
}
|
|
|
|
//i = saa7114_write_block(client, init, sizeof(init));
|
|
i = 0;
|
|
if (i < 0) {
|
|
dprintk(1, KERN_ERR "%s_attach error: init status %d\n",
|
|
I2C_NAME(client), i);
|
|
} else {
|
|
dprintk(1,
|
|
KERN_INFO
|
|
"%s_attach: chip version %x at address 0x%x\n",
|
|
I2C_NAME(client), saa7114_read(client, 0x00) >> 4,
|
|
client->addr << 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
saa7114_attach_adapter (struct i2c_adapter *adapter)
|
|
{
|
|
dprintk(1,
|
|
KERN_INFO
|
|
"saa7114.c: starting probe for adapter %s (0x%x)\n",
|
|
I2C_NAME(adapter), adapter->id);
|
|
return i2c_probe(adapter, &addr_data, &saa7114_detect_client);
|
|
}
|
|
|
|
static int
|
|
saa7114_detach_client (struct i2c_client *client)
|
|
{
|
|
struct saa7114 *decoder = i2c_get_clientdata(client);
|
|
int err;
|
|
|
|
err = i2c_detach_client(client);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
kfree(decoder);
|
|
kfree(client);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static struct i2c_driver i2c_driver_saa7114 = {
|
|
.owner = THIS_MODULE,
|
|
.name = "saa7114",
|
|
|
|
.id = I2C_DRIVERID_SAA7114,
|
|
.flags = I2C_DF_NOTIFY,
|
|
|
|
.attach_adapter = saa7114_attach_adapter,
|
|
.detach_client = saa7114_detach_client,
|
|
.command = saa7114_command,
|
|
};
|
|
|
|
static int __init
|
|
saa7114_init (void)
|
|
{
|
|
return i2c_add_driver(&i2c_driver_saa7114);
|
|
}
|
|
|
|
static void __exit
|
|
saa7114_exit (void)
|
|
{
|
|
i2c_del_driver(&i2c_driver_saa7114);
|
|
}
|
|
|
|
module_init(saa7114_init);
|
|
module_exit(saa7114_exit);
|