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![Roel Kluin](/assets/img/avatar_default.png)
Fix &&/|| typo Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
719 lines
18 KiB
C
719 lines
18 KiB
C
/*
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* Copyright (C) 2005-2006 Micronas USA Inc.
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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 (Version 2) as
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* published by the Free Software Foundation.
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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 Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, 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/i2c.h>
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#include <linux/videodev2.h>
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#include <media/tuner.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include "wis-i2c.h"
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/* #define MPX_DEBUG */
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/* AS(IF/MPX) pin: LOW HIGH/OPEN
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* IF/MPX address: 0x42/0x40 0x43/0x44
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*/
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#define IF_I2C_ADDR 0x43
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#define MPX_I2C_ADDR 0x44
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static v4l2_std_id force_band;
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static char force_band_str[] = "-";
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module_param_string(force_band, force_band_str, sizeof(force_band_str), 0644);
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static int force_mpx_mode = -1;
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module_param(force_mpx_mode, int, 0644);
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/* Store tuner info in the same format as tuner.c, so maybe we can put the
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* Sony tuner support in there. */
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struct sony_tunertype {
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char *name;
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unsigned char Vendor; /* unused here */
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unsigned char Type; /* unused here */
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unsigned short thresh1; /* band switch VHF_LO <=> VHF_HI */
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unsigned short thresh2; /* band switch VHF_HI <=> UHF */
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unsigned char VHF_L;
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unsigned char VHF_H;
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unsigned char UHF;
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unsigned char config;
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unsigned short IFPCoff;
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};
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/* This array is indexed by (tuner_type - 200) */
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static struct sony_tunertype sony_tuners[] = {
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{ "Sony PAL+SECAM (BTF-PG472Z)", 0, 0,
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16*144.25, 16*427.25, 0x01, 0x02, 0x04, 0xc6, 623},
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{ "Sony NTSC_JP (BTF-PK467Z)", 0, 0,
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16*220.25, 16*467.25, 0x01, 0x02, 0x04, 0xc6, 940},
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{ "Sony NTSC (BTF-PB463Z)", 0, 0,
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16*130.25, 16*364.25, 0x01, 0x02, 0x04, 0xc6, 732},
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};
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struct wis_sony_tuner {
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int type;
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v4l2_std_id std;
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unsigned int freq;
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int mpxmode;
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u32 audmode;
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};
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/* Basically the same as default_set_tv_freq() in tuner.c */
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static int set_freq(struct i2c_client *client, int freq)
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{
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struct wis_sony_tuner *t = i2c_get_clientdata(client);
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char *band_name;
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int n;
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int band_select;
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struct sony_tunertype *tun;
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u8 buffer[4];
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tun = &sony_tuners[t->type - 200];
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if (freq < tun->thresh1) {
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band_name = "VHF_L";
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band_select = tun->VHF_L;
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} else if (freq < tun->thresh2) {
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band_name = "VHF_H";
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band_select = tun->VHF_H;
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} else {
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band_name = "UHF";
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band_select = tun->UHF;
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}
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printk(KERN_DEBUG "wis-sony-tuner: tuning to frequency %d.%04d (%s)\n",
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freq / 16, (freq % 16) * 625, band_name);
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n = freq + tun->IFPCoff;
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buffer[0] = n >> 8;
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buffer[1] = n & 0xff;
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buffer[2] = tun->config;
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buffer[3] = band_select;
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i2c_master_send(client, buffer, 4);
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return 0;
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}
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static int mpx_write(struct i2c_client *client, int dev, int addr, int val)
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{
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u8 buffer[5];
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struct i2c_msg msg;
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buffer[0] = dev;
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buffer[1] = addr >> 8;
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buffer[2] = addr & 0xff;
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buffer[3] = val >> 8;
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buffer[4] = val & 0xff;
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msg.addr = MPX_I2C_ADDR;
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msg.flags = 0;
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msg.len = 5;
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msg.buf = buffer;
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i2c_transfer(client->adapter, &msg, 1);
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return 0;
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}
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/*
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* MPX register values for the BTF-PG472Z:
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*
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* FM_ NICAM_ SCART_
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* MODUS SOURCE ACB PRESCAL PRESCAL PRESCAL SYSTEM VOLUME
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* 10/0030 12/0008 12/0013 12/000E 12/0010 12/0000 10/0020 12/0000
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* ---------------------------------------------------------------
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* Auto 1003 0020 0100 2603 5000 XXXX 0001 7500
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*
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* B/G
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* Mono 1003 0020 0100 2603 5000 XXXX 0003 7500
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* A2 1003 0020 0100 2601 5000 XXXX 0003 7500
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* NICAM 1003 0120 0100 2603 5000 XXXX 0008 7500
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*
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* I
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* Mono 1003 0020 0100 2603 7900 XXXX 000A 7500
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* NICAM 1003 0120 0100 2603 7900 XXXX 000A 7500
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*
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* D/K
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* Mono 1003 0020 0100 2603 5000 XXXX 0004 7500
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* A2-1 1003 0020 0100 2601 5000 XXXX 0004 7500
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* A2-2 1003 0020 0100 2601 5000 XXXX 0005 7500
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* A2-3 1003 0020 0100 2601 5000 XXXX 0007 7500
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* NICAM 1003 0120 0100 2603 5000 XXXX 000B 7500
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*
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* L/L'
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* Mono 0003 0200 0100 7C03 5000 2200 0009 7500
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* NICAM 0003 0120 0100 7C03 5000 XXXX 0009 7500
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*
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* M
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* Mono 1003 0200 0100 2B03 5000 2B00 0002 7500
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*
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* For Asia, replace the 0x26XX in FM_PRESCALE with 0x14XX.
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*
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* Bilingual selection in A2/NICAM:
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*
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* High byte of SOURCE Left chan Right chan
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* 0x01 MAIN SUB
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* 0x03 MAIN MAIN
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* 0x04 SUB SUB
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*
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* Force mono in NICAM by setting the high byte of SOURCE to 0x02 (L/L') or
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* 0x00 (all other bands). Force mono in A2 with FMONO_A2:
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*
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* FMONO_A2
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* 10/0022
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* --------
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* Forced mono ON 07F0
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* Forced mono OFF 0190
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*/
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static struct {
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enum { AUD_MONO, AUD_A2, AUD_NICAM, AUD_NICAM_L } audio_mode;
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u16 modus;
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u16 source;
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u16 acb;
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u16 fm_prescale;
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u16 nicam_prescale;
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u16 scart_prescale;
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u16 system;
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u16 volume;
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} mpx_audio_modes[] = {
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/* Auto */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603,
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0x5000, 0x0000, 0x0001, 0x7500 },
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/* B/G Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603,
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0x5000, 0x0000, 0x0003, 0x7500 },
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/* B/G A2 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601,
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0x5000, 0x0000, 0x0003, 0x7500 },
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/* B/G NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603,
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0x5000, 0x0000, 0x0008, 0x7500 },
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/* I Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603,
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0x7900, 0x0000, 0x000A, 0x7500 },
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/* I NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603,
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0x7900, 0x0000, 0x000A, 0x7500 },
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/* D/K Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603,
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0x5000, 0x0000, 0x0004, 0x7500 },
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/* D/K A2-1 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601,
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0x5000, 0x0000, 0x0004, 0x7500 },
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/* D/K A2-2 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601,
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0x5000, 0x0000, 0x0005, 0x7500 },
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/* D/K A2-3 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601,
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0x5000, 0x0000, 0x0007, 0x7500 },
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/* D/K NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603,
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0x5000, 0x0000, 0x000B, 0x7500 },
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/* L/L' Mono */ { AUD_MONO, 0x0003, 0x0200, 0x0100, 0x7C03,
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0x5000, 0x2200, 0x0009, 0x7500 },
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/* L/L' NICAM */{ AUD_NICAM_L, 0x0003, 0x0120, 0x0100, 0x7C03,
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0x5000, 0x0000, 0x0009, 0x7500 },
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};
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#define MPX_NUM_MODES ARRAY_SIZE(mpx_audio_modes)
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static int mpx_setup(struct i2c_client *client)
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{
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struct wis_sony_tuner *t = i2c_get_clientdata(client);
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u16 source = 0;
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u8 buffer[3];
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struct i2c_msg msg;
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/* reset MPX */
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buffer[0] = 0x00;
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buffer[1] = 0x80;
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buffer[2] = 0x00;
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msg.addr = MPX_I2C_ADDR;
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msg.flags = 0;
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msg.len = 3;
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msg.buf = buffer;
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i2c_transfer(client->adapter, &msg, 1);
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buffer[1] = 0x00;
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i2c_transfer(client->adapter, &msg, 1);
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if (mpx_audio_modes[t->mpxmode].audio_mode != AUD_MONO) {
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switch (t->audmode) {
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case V4L2_TUNER_MODE_MONO:
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switch (mpx_audio_modes[t->mpxmode].audio_mode) {
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case AUD_A2:
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source = mpx_audio_modes[t->mpxmode].source;
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break;
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case AUD_NICAM:
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source = 0x0000;
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break;
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case AUD_NICAM_L:
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source = 0x0200;
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break;
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default:
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break;
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}
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break;
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case V4L2_TUNER_MODE_STEREO:
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source = mpx_audio_modes[t->mpxmode].source;
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break;
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case V4L2_TUNER_MODE_LANG1:
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source = 0x0300;
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break;
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case V4L2_TUNER_MODE_LANG2:
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source = 0x0400;
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break;
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}
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source |= mpx_audio_modes[t->mpxmode].source & 0x00ff;
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} else
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source = mpx_audio_modes[t->mpxmode].source;
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mpx_write(client, 0x10, 0x0030, mpx_audio_modes[t->mpxmode].modus);
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mpx_write(client, 0x12, 0x0008, source);
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mpx_write(client, 0x12, 0x0013, mpx_audio_modes[t->mpxmode].acb);
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mpx_write(client, 0x12, 0x000e,
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mpx_audio_modes[t->mpxmode].fm_prescale);
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mpx_write(client, 0x12, 0x0010,
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mpx_audio_modes[t->mpxmode].nicam_prescale);
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mpx_write(client, 0x12, 0x000d,
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mpx_audio_modes[t->mpxmode].scart_prescale);
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mpx_write(client, 0x10, 0x0020, mpx_audio_modes[t->mpxmode].system);
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mpx_write(client, 0x12, 0x0000, mpx_audio_modes[t->mpxmode].volume);
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if (mpx_audio_modes[t->mpxmode].audio_mode == AUD_A2)
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mpx_write(client, 0x10, 0x0022,
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t->audmode == V4L2_TUNER_MODE_MONO ? 0x07f0 : 0x0190);
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#ifdef MPX_DEBUG
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{
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u8 buf1[3], buf2[2];
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struct i2c_msg msgs[2];
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printk(KERN_DEBUG "wis-sony-tuner: MPX registers: %04x %04x "
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"%04x %04x %04x %04x %04x %04x\n",
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mpx_audio_modes[t->mpxmode].modus,
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source,
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mpx_audio_modes[t->mpxmode].acb,
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mpx_audio_modes[t->mpxmode].fm_prescale,
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mpx_audio_modes[t->mpxmode].nicam_prescale,
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mpx_audio_modes[t->mpxmode].scart_prescale,
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mpx_audio_modes[t->mpxmode].system,
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mpx_audio_modes[t->mpxmode].volume);
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buf1[0] = 0x11;
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buf1[1] = 0x00;
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buf1[2] = 0x7e;
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msgs[0].addr = MPX_I2C_ADDR;
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msgs[0].flags = 0;
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msgs[0].len = 3;
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msgs[0].buf = buf1;
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msgs[1].addr = MPX_I2C_ADDR;
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msgs[1].flags = I2C_M_RD;
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msgs[1].len = 2;
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msgs[1].buf = buf2;
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i2c_transfer(client->adapter, msgs, 2);
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printk(KERN_DEBUG "wis-sony-tuner: MPX system: %02x%02x\n",
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buf2[0], buf2[1]);
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buf1[0] = 0x11;
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buf1[1] = 0x02;
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buf1[2] = 0x00;
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i2c_transfer(client->adapter, msgs, 2);
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printk(KERN_DEBUG "wis-sony-tuner: MPX status: %02x%02x\n",
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buf2[0], buf2[1]);
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}
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#endif
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return 0;
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}
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/*
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* IF configuration values for the BTF-PG472Z:
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*
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* B/G: 0x94 0x70 0x49
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* I: 0x14 0x70 0x4a
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* D/K: 0x14 0x70 0x4b
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* L: 0x04 0x70 0x4b
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* L': 0x44 0x70 0x53
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* M: 0x50 0x30 0x4c
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*/
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static int set_if(struct i2c_client *client)
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{
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struct wis_sony_tuner *t = i2c_get_clientdata(client);
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u8 buffer[4];
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struct i2c_msg msg;
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int default_mpx_mode = 0;
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/* configure IF */
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buffer[0] = 0;
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if (t->std & V4L2_STD_PAL_BG) {
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buffer[1] = 0x94;
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buffer[2] = 0x70;
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buffer[3] = 0x49;
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default_mpx_mode = 1;
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} else if (t->std & V4L2_STD_PAL_I) {
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buffer[1] = 0x14;
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buffer[2] = 0x70;
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buffer[3] = 0x4a;
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default_mpx_mode = 4;
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} else if (t->std & V4L2_STD_PAL_DK) {
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buffer[1] = 0x14;
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buffer[2] = 0x70;
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buffer[3] = 0x4b;
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default_mpx_mode = 6;
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} else if (t->std & V4L2_STD_SECAM_L) {
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buffer[1] = 0x04;
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buffer[2] = 0x70;
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buffer[3] = 0x4b;
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default_mpx_mode = 11;
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}
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msg.addr = IF_I2C_ADDR;
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msg.flags = 0;
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msg.len = 4;
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msg.buf = buffer;
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i2c_transfer(client->adapter, &msg, 1);
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/* Select MPX mode if not forced by the user */
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if (force_mpx_mode >= 0 && force_mpx_mode < MPX_NUM_MODES)
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t->mpxmode = force_mpx_mode;
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else
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t->mpxmode = default_mpx_mode;
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printk(KERN_DEBUG "wis-sony-tuner: setting MPX to mode %d\n",
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t->mpxmode);
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mpx_setup(client);
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return 0;
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}
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static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
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{
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struct wis_sony_tuner *t = i2c_get_clientdata(client);
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switch (cmd) {
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#if 0
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#ifdef TUNER_SET_TYPE_ADDR
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case TUNER_SET_TYPE_ADDR:
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{
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struct tuner_setup *tun_setup = arg;
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int *type = &tun_setup->type;
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#else
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case TUNER_SET_TYPE:
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{
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int *type = arg;
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#endif
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if (t->type >= 0) {
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if (t->type != *type)
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printk(KERN_ERR "wis-sony-tuner: type already "
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"set to %d, ignoring request for %d\n",
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t->type, *type);
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break;
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}
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t->type = *type;
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switch (t->type) {
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case TUNER_SONY_BTF_PG472Z:
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switch (force_band_str[0]) {
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case 'b':
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case 'B':
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case 'g':
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case 'G':
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printk(KERN_INFO "wis-sony-tuner: forcing "
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"tuner to PAL-B/G bands\n");
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force_band = V4L2_STD_PAL_BG;
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break;
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case 'i':
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case 'I':
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printk(KERN_INFO "wis-sony-tuner: forcing "
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"tuner to PAL-I band\n");
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force_band = V4L2_STD_PAL_I;
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break;
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case 'd':
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case 'D':
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case 'k':
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case 'K':
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printk(KERN_INFO "wis-sony-tuner: forcing "
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"tuner to PAL-D/K bands\n");
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|
force_band = V4L2_STD_PAL_I;
|
|
break;
|
|
case 'l':
|
|
case 'L':
|
|
printk(KERN_INFO "wis-sony-tuner: forcing "
|
|
"tuner to SECAM-L band\n");
|
|
force_band = V4L2_STD_SECAM_L;
|
|
break;
|
|
default:
|
|
force_band = 0;
|
|
break;
|
|
}
|
|
if (force_band)
|
|
t->std = force_band;
|
|
else
|
|
t->std = V4L2_STD_PAL_BG;
|
|
set_if(client);
|
|
break;
|
|
case TUNER_SONY_BTF_PK467Z:
|
|
t->std = V4L2_STD_NTSC_M_JP;
|
|
break;
|
|
case TUNER_SONY_BTF_PB463Z:
|
|
t->std = V4L2_STD_NTSC_M;
|
|
break;
|
|
default:
|
|
printk(KERN_ERR "wis-sony-tuner: tuner type %d is not "
|
|
"supported by this module\n", *type);
|
|
break;
|
|
}
|
|
if (type >= 0)
|
|
printk(KERN_INFO
|
|
"wis-sony-tuner: type set to %d (%s)\n",
|
|
t->type, sony_tuners[t->type - 200].name);
|
|
break;
|
|
}
|
|
#endif
|
|
case VIDIOC_G_FREQUENCY:
|
|
{
|
|
struct v4l2_frequency *f = arg;
|
|
|
|
f->frequency = t->freq;
|
|
break;
|
|
}
|
|
case VIDIOC_S_FREQUENCY:
|
|
{
|
|
struct v4l2_frequency *f = arg;
|
|
|
|
t->freq = f->frequency;
|
|
set_freq(client, t->freq);
|
|
break;
|
|
}
|
|
case VIDIOC_ENUMSTD:
|
|
{
|
|
struct v4l2_standard *std = arg;
|
|
|
|
switch (t->type) {
|
|
case TUNER_SONY_BTF_PG472Z:
|
|
switch (std->index) {
|
|
case 0:
|
|
v4l2_video_std_construct(std,
|
|
V4L2_STD_PAL_BG, "PAL-B/G");
|
|
break;
|
|
case 1:
|
|
v4l2_video_std_construct(std,
|
|
V4L2_STD_PAL_I, "PAL-I");
|
|
break;
|
|
case 2:
|
|
v4l2_video_std_construct(std,
|
|
V4L2_STD_PAL_DK, "PAL-D/K");
|
|
break;
|
|
case 3:
|
|
v4l2_video_std_construct(std,
|
|
V4L2_STD_SECAM_L, "SECAM-L");
|
|
break;
|
|
default:
|
|
std->id = 0; /* hack to indicate EINVAL */
|
|
break;
|
|
}
|
|
break;
|
|
case TUNER_SONY_BTF_PK467Z:
|
|
if (std->index != 0) {
|
|
std->id = 0; /* hack to indicate EINVAL */
|
|
break;
|
|
}
|
|
v4l2_video_std_construct(std,
|
|
V4L2_STD_NTSC_M_JP, "NTSC-J");
|
|
break;
|
|
case TUNER_SONY_BTF_PB463Z:
|
|
if (std->index != 0) {
|
|
std->id = 0; /* hack to indicate EINVAL */
|
|
break;
|
|
}
|
|
v4l2_video_std_construct(std, V4L2_STD_NTSC_M, "NTSC");
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case VIDIOC_G_STD:
|
|
{
|
|
v4l2_std_id *std = arg;
|
|
|
|
*std = t->std;
|
|
break;
|
|
}
|
|
case VIDIOC_S_STD:
|
|
{
|
|
v4l2_std_id *std = arg;
|
|
v4l2_std_id old = t->std;
|
|
|
|
switch (t->type) {
|
|
case TUNER_SONY_BTF_PG472Z:
|
|
if (force_band && (*std & force_band) != *std &&
|
|
*std != V4L2_STD_PAL &&
|
|
*std != V4L2_STD_SECAM) {
|
|
printk(KERN_DEBUG "wis-sony-tuner: ignoring "
|
|
"requested TV standard in "
|
|
"favor of force_band value\n");
|
|
t->std = force_band;
|
|
} else if (*std & V4L2_STD_PAL_BG) { /* default */
|
|
t->std = V4L2_STD_PAL_BG;
|
|
} else if (*std & V4L2_STD_PAL_I) {
|
|
t->std = V4L2_STD_PAL_I;
|
|
} else if (*std & V4L2_STD_PAL_DK) {
|
|
t->std = V4L2_STD_PAL_DK;
|
|
} else if (*std & V4L2_STD_SECAM_L) {
|
|
t->std = V4L2_STD_SECAM_L;
|
|
} else {
|
|
printk(KERN_ERR "wis-sony-tuner: TV standard "
|
|
"not supported\n");
|
|
*std = 0; /* hack to indicate EINVAL */
|
|
break;
|
|
}
|
|
if (old != t->std)
|
|
set_if(client);
|
|
break;
|
|
case TUNER_SONY_BTF_PK467Z:
|
|
if (!(*std & V4L2_STD_NTSC_M_JP)) {
|
|
printk(KERN_ERR "wis-sony-tuner: TV standard "
|
|
"not supported\n");
|
|
*std = 0; /* hack to indicate EINVAL */
|
|
}
|
|
break;
|
|
case TUNER_SONY_BTF_PB463Z:
|
|
if (!(*std & V4L2_STD_NTSC_M)) {
|
|
printk(KERN_ERR "wis-sony-tuner: TV standard "
|
|
"not supported\n");
|
|
*std = 0; /* hack to indicate EINVAL */
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case VIDIOC_QUERYSTD:
|
|
{
|
|
v4l2_std_id *std = arg;
|
|
|
|
switch (t->type) {
|
|
case TUNER_SONY_BTF_PG472Z:
|
|
if (force_band)
|
|
*std = force_band;
|
|
else
|
|
*std = V4L2_STD_PAL_BG | V4L2_STD_PAL_I |
|
|
V4L2_STD_PAL_DK | V4L2_STD_SECAM_L;
|
|
break;
|
|
case TUNER_SONY_BTF_PK467Z:
|
|
*std = V4L2_STD_NTSC_M_JP;
|
|
break;
|
|
case TUNER_SONY_BTF_PB463Z:
|
|
*std = V4L2_STD_NTSC_M;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case VIDIOC_G_TUNER:
|
|
{
|
|
struct v4l2_tuner *tun = arg;
|
|
|
|
memset(tun, 0, sizeof(*tun));
|
|
strcpy(tun->name, "Television");
|
|
tun->type = V4L2_TUNER_ANALOG_TV;
|
|
tun->rangelow = 0UL; /* does anything use these? */
|
|
tun->rangehigh = 0xffffffffUL;
|
|
switch (t->type) {
|
|
case TUNER_SONY_BTF_PG472Z:
|
|
tun->capability = V4L2_TUNER_CAP_NORM |
|
|
V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
|
|
V4L2_TUNER_CAP_LANG2;
|
|
tun->rxsubchans = V4L2_TUNER_SUB_MONO |
|
|
V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 |
|
|
V4L2_TUNER_SUB_LANG2;
|
|
break;
|
|
case TUNER_SONY_BTF_PK467Z:
|
|
case TUNER_SONY_BTF_PB463Z:
|
|
tun->capability = V4L2_TUNER_CAP_STEREO;
|
|
tun->rxsubchans = V4L2_TUNER_SUB_MONO |
|
|
V4L2_TUNER_SUB_STEREO;
|
|
break;
|
|
}
|
|
tun->audmode = t->audmode;
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_TUNER:
|
|
{
|
|
struct v4l2_tuner *tun = arg;
|
|
|
|
switch (t->type) {
|
|
case TUNER_SONY_BTF_PG472Z:
|
|
if (tun->audmode != t->audmode) {
|
|
t->audmode = tun->audmode;
|
|
mpx_setup(client);
|
|
}
|
|
break;
|
|
case TUNER_SONY_BTF_PK467Z:
|
|
case TUNER_SONY_BTF_PB463Z:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int wis_sony_tuner_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct i2c_adapter *adapter = client->adapter;
|
|
struct wis_sony_tuner *t;
|
|
|
|
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
|
|
return -ENODEV;
|
|
|
|
t = kmalloc(sizeof(struct wis_sony_tuner), GFP_KERNEL);
|
|
if (t == NULL)
|
|
return -ENOMEM;
|
|
|
|
t->type = -1;
|
|
t->freq = 0;
|
|
t->mpxmode = 0;
|
|
t->audmode = V4L2_TUNER_MODE_STEREO;
|
|
i2c_set_clientdata(client, t);
|
|
|
|
printk(KERN_DEBUG
|
|
"wis-sony-tuner: initializing tuner at address %d on %s\n",
|
|
client->addr, adapter->name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wis_sony_tuner_remove(struct i2c_client *client)
|
|
{
|
|
struct wis_sony_tuner *t = i2c_get_clientdata(client);
|
|
|
|
i2c_set_clientdata(client, NULL);
|
|
kfree(t);
|
|
return 0;
|
|
}
|
|
|
|
static struct i2c_device_id wis_sony_tuner_id[] = {
|
|
{ "wis_sony_tuner", 0 },
|
|
{ }
|
|
};
|
|
|
|
static struct i2c_driver wis_sony_tuner_driver = {
|
|
.driver = {
|
|
.name = "WIS Sony TV Tuner I2C driver",
|
|
},
|
|
.probe = wis_sony_tuner_probe,
|
|
.remove = wis_sony_tuner_remove,
|
|
.command = tuner_command,
|
|
.id_table = wis_sony_tuner_id,
|
|
};
|
|
|
|
static int __init wis_sony_tuner_init(void)
|
|
{
|
|
return i2c_add_driver(&wis_sony_tuner_driver);
|
|
}
|
|
|
|
static void __exit wis_sony_tuner_cleanup(void)
|
|
{
|
|
i2c_del_driver(&wis_sony_tuner_driver);
|
|
}
|
|
|
|
module_init(wis_sony_tuner_init);
|
|
module_exit(wis_sony_tuner_cleanup);
|
|
|
|
MODULE_LICENSE("GPL v2");
|