5f7591c04f
Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
846 lines
20 KiB
C
846 lines
20 KiB
C
#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/kernel.h>
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#include <linux/i2c.h>
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#include <linux/types.h>
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#include <linux/videodev.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <media/audiochip.h>
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#include <media/tuner.h>
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#include <media/id.h>
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/* Chips:
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TDA9885 (PAL, NTSC)
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TDA9886 (PAL, SECAM, NTSC)
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TDA9887 (PAL, SECAM, NTSC, FM Radio)
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found on:
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- Pinnacle PCTV (Jul.2002 Version with MT2032, bttv)
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TDA9887 (world), TDA9885 (USA)
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Note: OP2 of tda988x must be set to 1, else MT2032 is disabled!
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- KNC One TV-Station RDS (saa7134)
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- Hauppauge PVR-150/500 (possibly more)
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*/
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/* Addresses to scan */
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static unsigned short normal_i2c[] = {
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0x84 >>1,
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0x86 >>1,
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0x96 >>1,
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I2C_CLIENT_END,
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};
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I2C_CLIENT_INSMOD;
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/* insmod options */
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static unsigned int debug = 0;
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module_param(debug, int, 0644);
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MODULE_LICENSE("GPL");
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/* ---------------------------------------------------------------------- */
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#define UNSET (-1U)
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#define PREFIX "tda9885/6/7: "
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#define dprintk if (debug) printk
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struct tda9887 {
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struct i2c_client client;
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v4l2_std_id std;
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enum tuner_mode mode;
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unsigned int config;
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unsigned int pinnacle_id;
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unsigned int using_v4l2;
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unsigned int radio_mode;
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};
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struct tvnorm {
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v4l2_std_id std;
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char *name;
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unsigned char b;
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unsigned char c;
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unsigned char e;
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};
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static struct i2c_driver driver;
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static struct i2c_client client_template;
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/* ---------------------------------------------------------------------- */
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//
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// TDA defines
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//
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//// first reg (b)
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#define cVideoTrapBypassOFF 0x00 // bit b0
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#define cVideoTrapBypassON 0x01 // bit b0
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#define cAutoMuteFmInactive 0x00 // bit b1
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#define cAutoMuteFmActive 0x02 // bit b1
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#define cIntercarrier 0x00 // bit b2
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#define cQSS 0x04 // bit b2
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#define cPositiveAmTV 0x00 // bit b3:4
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#define cFmRadio 0x08 // bit b3:4
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#define cNegativeFmTV 0x10 // bit b3:4
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#define cForcedMuteAudioON 0x20 // bit b5
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#define cForcedMuteAudioOFF 0x00 // bit b5
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#define cOutputPort1Active 0x00 // bit b6
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#define cOutputPort1Inactive 0x40 // bit b6
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#define cOutputPort2Active 0x00 // bit b7
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#define cOutputPort2Inactive 0x80 // bit b7
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//// second reg (c)
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#define cDeemphasisOFF 0x00 // bit c5
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#define cDeemphasisON 0x20 // bit c5
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#define cDeemphasis75 0x00 // bit c6
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#define cDeemphasis50 0x40 // bit c6
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#define cAudioGain0 0x00 // bit c7
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#define cAudioGain6 0x80 // bit c7
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//// third reg (e)
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#define cAudioIF_4_5 0x00 // bit e0:1
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#define cAudioIF_5_5 0x01 // bit e0:1
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#define cAudioIF_6_0 0x02 // bit e0:1
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#define cAudioIF_6_5 0x03 // bit e0:1
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#define cVideoIF_58_75 0x00 // bit e2:4
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#define cVideoIF_45_75 0x04 // bit e2:4
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#define cVideoIF_38_90 0x08 // bit e2:4
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#define cVideoIF_38_00 0x0C // bit e2:4
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#define cVideoIF_33_90 0x10 // bit e2:4
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#define cVideoIF_33_40 0x14 // bit e2:4
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#define cRadioIF_45_75 0x18 // bit e2:4
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#define cRadioIF_38_90 0x1C // bit e2:4
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#define cTunerGainNormal 0x00 // bit e5
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#define cTunerGainLow 0x20 // bit e5
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#define cGating_18 0x00 // bit e6
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#define cGating_36 0x40 // bit e6
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#define cAgcOutON 0x80 // bit e7
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#define cAgcOutOFF 0x00 // bit e7
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/* ---------------------------------------------------------------------- */
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static struct tvnorm tvnorms[] = {
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{
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.std = V4L2_STD_PAL_BG,
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.name = "PAL-BG",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 ),
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.e = ( cAudioIF_5_5 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_PAL_I,
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.name = "PAL-I",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 ),
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.e = ( cAudioIF_6_0 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_PAL_DK,
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.name = "PAL-DK",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 ),
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.e = ( cAudioIF_6_5 |
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cVideoIF_38_00 ),
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},{
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.std = V4L2_STD_PAL_M | V4L2_STD_PAL_N,
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.name = "PAL-M/N",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis75 ),
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.e = ( cAudioIF_4_5 |
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cVideoIF_45_75 ),
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},{
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.std = V4L2_STD_SECAM_L,
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.name = "SECAM-L",
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.b = ( cPositiveAmTV |
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cQSS ),
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.e = ( cGaiting_36 |
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cAudioIF_6_5 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_SECAM_DK,
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.name = "SECAM-DK",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 ),
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.e = ( cAudioIF_6_5 |
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cVideoIF_38_00 ),
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},{
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.std = V4L2_STD_NTSC_M,
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.name = "NTSC-M",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis75 ),
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.e = ( cGating_36 |
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cAudioIF_4_5 |
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cVideoIF_45_75 ),
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},{
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.std = V4L2_STD_NTSC_M_JP,
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.name = "NTSC-JP",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 ),
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.e = ( cGating_36 |
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cAudioIF_4_5 |
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cVideoIF_58_75 ),
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}
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};
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static struct tvnorm radio_stereo = {
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.name = "Radio Stereo",
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.b = ( cFmRadio |
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cQSS ),
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.c = ( cDeemphasisOFF |
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cAudioGain6 ),
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.e = ( cAudioIF_5_5 |
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cRadioIF_38_90 ),
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};
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static struct tvnorm radio_mono = {
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.name = "Radio Mono",
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.b = ( cFmRadio |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50),
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.e = ( cAudioIF_5_5 |
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cRadioIF_38_90 ),
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};
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/* ---------------------------------------------------------------------- */
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static void dump_read_message(unsigned char *buf)
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{
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static char *afc[16] = {
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"- 12.5 kHz",
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"- 37.5 kHz",
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"- 62.5 kHz",
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"- 87.5 kHz",
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"-112.5 kHz",
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"-137.5 kHz",
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"-162.5 kHz",
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"-187.5 kHz [min]",
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"+187.5 kHz [max]",
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"+162.5 kHz",
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"+137.5 kHz",
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"+112.5 kHz",
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"+ 87.5 kHz",
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"+ 62.5 kHz",
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"+ 37.5 kHz",
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"+ 12.5 kHz",
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};
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printk(PREFIX "read: 0x%2x\n", buf[0]);
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printk(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
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printk(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]);
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printk(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low");
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printk(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out");
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printk(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low");
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}
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static void dump_write_message(unsigned char *buf)
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{
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static char *sound[4] = {
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"AM/TV",
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"FM/radio",
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"FM/TV",
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"FM/radio"
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};
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static char *adjust[32] = {
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"-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
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"-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
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"0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
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"+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
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};
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static char *deemph[4] = {
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"no", "no", "75", "50"
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};
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static char *carrier[4] = {
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"4.5 MHz",
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"5.5 MHz",
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"6.0 MHz",
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"6.5 MHz / AM"
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};
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static char *vif[8] = {
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"58.75 MHz",
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"45.75 MHz",
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"38.9 MHz",
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"38.0 MHz",
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"33.9 MHz",
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"33.4 MHz",
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"45.75 MHz + pin13",
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"38.9 MHz + pin13",
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};
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static char *rif[4] = {
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"44 MHz",
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"52 MHz",
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"52 MHz",
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"44 MHz",
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};
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printk(PREFIX "write: byte B 0x%02x\n",buf[1]);
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printk(" B0 video mode : %s\n",
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(buf[1] & 0x01) ? "video trap" : "sound trap");
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printk(" B1 auto mute fm : %s\n",
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(buf[1] & 0x02) ? "yes" : "no");
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printk(" B2 carrier mode : %s\n",
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(buf[1] & 0x04) ? "QSS" : "Intercarrier");
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printk(" B3-4 tv sound/radio : %s\n",
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sound[(buf[1] & 0x18) >> 3]);
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printk(" B5 force mute audio: %s\n",
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(buf[1] & 0x20) ? "yes" : "no");
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printk(" B6 output port 1 : %s\n",
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(buf[1] & 0x40) ? "high (inactive)" : "low (active)");
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printk(" B7 output port 2 : %s\n",
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(buf[1] & 0x80) ? "high (inactive)" : "low (active)");
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printk(PREFIX "write: byte C 0x%02x\n",buf[2]);
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printk(" C0-4 top adjustment : %s dB\n", adjust[buf[2] & 0x1f]);
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printk(" C5-6 de-emphasis : %s\n", deemph[(buf[2] & 0x60) >> 5]);
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printk(" C7 audio gain : %s\n",
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(buf[2] & 0x80) ? "-6" : "0");
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printk(PREFIX "write: byte E 0x%02x\n",buf[3]);
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printk(" E0-1 sound carrier : %s\n",
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carrier[(buf[3] & 0x03)]);
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printk(" E6 l pll gaiting : %s\n",
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(buf[3] & 0x40) ? "36" : "13");
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if (buf[1] & 0x08) {
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/* radio */
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printk(" E2-4 video if : %s\n",
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rif[(buf[3] & 0x0c) >> 2]);
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printk(" E7 vif agc output : %s\n",
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(buf[3] & 0x80)
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? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
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: "fm radio carrier afc");
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} else {
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/* video */
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printk(" E2-4 video if : %s\n",
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vif[(buf[3] & 0x1c) >> 2]);
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printk(" E5 tuner gain : %s\n",
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(buf[3] & 0x80)
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? ((buf[3] & 0x20) ? "external" : "normal")
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: ((buf[3] & 0x20) ? "minimum" : "normal"));
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printk(" E7 vif agc output : %s\n",
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(buf[3] & 0x80)
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? ((buf[3] & 0x20)
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? "pin3 port, pin22 vif agc out"
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: "pin22 port, pin3 vif acg ext in")
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: "pin3+pin22 port");
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}
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printk("--\n");
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}
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/* ---------------------------------------------------------------------- */
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static int tda9887_set_tvnorm(struct tda9887 *t, char *buf)
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{
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struct tvnorm *norm = NULL;
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int i;
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if (t->mode == T_RADIO) {
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if (t->radio_mode == V4L2_TUNER_MODE_MONO)
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norm = &radio_mono;
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else
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norm = &radio_stereo;
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} else {
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for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
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if (tvnorms[i].std & t->std) {
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norm = tvnorms+i;
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break;
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}
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}
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}
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if (NULL == norm) {
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dprintk(PREFIX "Unsupported tvnorm entry - audio muted\n");
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return -1;
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}
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dprintk(PREFIX "configure for: %s\n",norm->name);
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buf[1] = norm->b;
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buf[2] = norm->c;
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buf[3] = norm->e;
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return 0;
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}
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static unsigned int port1 = UNSET;
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static unsigned int port2 = UNSET;
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static unsigned int qss = UNSET;
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static unsigned int adjust = 0x10;
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module_param(port1, int, 0644);
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module_param(port2, int, 0644);
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module_param(qss, int, 0644);
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module_param(adjust, int, 0644);
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static int tda9887_set_insmod(struct tda9887 *t, char *buf)
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{
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if (UNSET != port1) {
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if (port1)
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buf[1] |= cOutputPort1Inactive;
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else
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buf[1] &= ~cOutputPort1Inactive;
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}
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if (UNSET != port2) {
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if (port2)
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buf[1] |= cOutputPort2Inactive;
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else
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buf[1] &= ~cOutputPort2Inactive;
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}
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if (UNSET != qss) {
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if (qss)
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buf[1] |= cQSS;
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else
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buf[1] &= ~cQSS;
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}
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if (adjust >= 0x00 && adjust < 0x20)
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buf[2] |= adjust;
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return 0;
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}
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static int tda9887_set_config(struct tda9887 *t, char *buf)
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{
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if (t->config & TDA9887_PORT1_ACTIVE)
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buf[1] &= ~cOutputPort1Inactive;
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if (t->config & TDA9887_PORT1_INACTIVE)
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buf[1] |= cOutputPort1Inactive;
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if (t->config & TDA9887_PORT2_ACTIVE)
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buf[1] &= ~cOutputPort2Inactive;
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if (t->config & TDA9887_PORT2_INACTIVE)
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buf[1] |= cOutputPort2Inactive;
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if (t->config & TDA9887_QSS)
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buf[1] |= cQSS;
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if (t->config & TDA9887_INTERCARRIER)
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buf[1] &= ~cQSS;
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if (t->config & TDA9887_AUTOMUTE)
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buf[1] |= cAutoMuteFmActive;
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if (t->config & TDA9887_DEEMPHASIS_MASK) {
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buf[2] &= ~0x60;
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switch (t->config & TDA9887_DEEMPHASIS_MASK) {
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case TDA9887_DEEMPHASIS_NONE:
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buf[2] |= cDeemphasisOFF;
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break;
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case TDA9887_DEEMPHASIS_50:
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buf[2] |= cDeemphasisON | cDeemphasis50;
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break;
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case TDA9887_DEEMPHASIS_75:
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buf[2] |= cDeemphasisON | cDeemphasis75;
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break;
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}
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}
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return 0;
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}
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/* ---------------------------------------------------------------------- */
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static int tda9887_set_pinnacle(struct tda9887 *t, char *buf)
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{
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unsigned int bCarrierMode = UNSET;
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if (t->std & V4L2_STD_625_50) {
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if ((1 == t->pinnacle_id) || (7 == t->pinnacle_id)) {
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bCarrierMode = cIntercarrier;
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} else {
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bCarrierMode = cQSS;
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}
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}
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if (t->std & V4L2_STD_525_60) {
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if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) {
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bCarrierMode = cIntercarrier;
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} else {
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bCarrierMode = cQSS;
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}
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}
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if (bCarrierMode != UNSET) {
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buf[1] &= ~0x04;
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buf[1] |= bCarrierMode;
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}
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return 0;
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}
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|
/* ---------------------------------------------------------------------- */
|
|
|
|
static char pal[] = "-";
|
|
module_param_string(pal, pal, sizeof(pal), 0644);
|
|
static char secam[] = "-";
|
|
module_param_string(secam, secam, sizeof(secam), 0644);
|
|
|
|
static int tda9887_fixup_std(struct tda9887 *t)
|
|
{
|
|
/* get more precise norm info from insmod option */
|
|
if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
|
|
switch (pal[0]) {
|
|
case 'b':
|
|
case 'B':
|
|
case 'g':
|
|
case 'G':
|
|
dprintk(PREFIX "insmod fixup: PAL => PAL-BG\n");
|
|
t->std = V4L2_STD_PAL_BG;
|
|
break;
|
|
case 'i':
|
|
case 'I':
|
|
dprintk(PREFIX "insmod fixup: PAL => PAL-I\n");
|
|
t->std = V4L2_STD_PAL_I;
|
|
break;
|
|
case 'd':
|
|
case 'D':
|
|
case 'k':
|
|
case 'K':
|
|
dprintk(PREFIX "insmod fixup: PAL => PAL-DK\n");
|
|
t->std = V4L2_STD_PAL_DK;
|
|
break;
|
|
case '-':
|
|
/* default parameter, do nothing */
|
|
break;
|
|
default:
|
|
printk(PREFIX "pal= argument not recognised\n");
|
|
break;
|
|
}
|
|
}
|
|
if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
|
|
switch (secam[0]) {
|
|
case 'd':
|
|
case 'D':
|
|
case 'k':
|
|
case 'K':
|
|
dprintk(PREFIX "insmod fixup: SECAM => SECAM-DK\n");
|
|
t->std = V4L2_STD_SECAM_DK;
|
|
break;
|
|
case 'l':
|
|
case 'L':
|
|
dprintk(PREFIX "insmod fixup: SECAM => SECAM-L\n");
|
|
t->std = V4L2_STD_SECAM_L;
|
|
break;
|
|
case '-':
|
|
/* default parameter, do nothing */
|
|
break;
|
|
default:
|
|
printk(PREFIX "secam= argument not recognised\n");
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int tda9887_status(struct tda9887 *t)
|
|
{
|
|
unsigned char buf[1];
|
|
int rc;
|
|
|
|
memset(buf,0,sizeof(buf));
|
|
if (1 != (rc = i2c_master_recv(&t->client,buf,1)))
|
|
printk(PREFIX "i2c i/o error: rc == %d (should be 1)\n",rc);
|
|
dump_read_message(buf);
|
|
return 0;
|
|
}
|
|
|
|
static int tda9887_configure(struct tda9887 *t)
|
|
{
|
|
unsigned char buf[4];
|
|
int rc;
|
|
|
|
memset(buf,0,sizeof(buf));
|
|
tda9887_set_tvnorm(t,buf);
|
|
|
|
buf[1] |= cOutputPort1Inactive;
|
|
buf[1] |= cOutputPort2Inactive;
|
|
|
|
if (UNSET != t->pinnacle_id) {
|
|
tda9887_set_pinnacle(t,buf);
|
|
}
|
|
tda9887_set_config(t,buf);
|
|
tda9887_set_insmod(t,buf);
|
|
|
|
if (t->mode == T_STANDBY) {
|
|
buf[1] |= cForcedMuteAudioON;
|
|
}
|
|
|
|
|
|
dprintk(PREFIX "writing: b=0x%02x c=0x%02x e=0x%02x\n",
|
|
buf[1],buf[2],buf[3]);
|
|
if (debug > 1)
|
|
dump_write_message(buf);
|
|
|
|
if (4 != (rc = i2c_master_send(&t->client,buf,4)))
|
|
printk(PREFIX "i2c i/o error: rc == %d (should be 4)\n",rc);
|
|
|
|
if (debug > 2) {
|
|
msleep_interruptible(1000);
|
|
tda9887_status(t);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
|
|
{
|
|
struct tda9887 *t;
|
|
|
|
client_template.adapter = adap;
|
|
client_template.addr = addr;
|
|
|
|
printk(PREFIX "chip found @ 0x%x\n", addr<<1);
|
|
|
|
if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
|
|
return -ENOMEM;
|
|
memset(t,0,sizeof(*t));
|
|
|
|
t->client = client_template;
|
|
t->std = 0;
|
|
t->pinnacle_id = UNSET;
|
|
t->radio_mode = V4L2_TUNER_MODE_STEREO;
|
|
|
|
i2c_set_clientdata(&t->client, t);
|
|
i2c_attach_client(&t->client);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tda9887_probe(struct i2c_adapter *adap)
|
|
{
|
|
#ifdef I2C_CLASS_TV_ANALOG
|
|
if (adap->class & I2C_CLASS_TV_ANALOG)
|
|
return i2c_probe(adap, &addr_data, tda9887_attach);
|
|
#else
|
|
switch (adap->id) {
|
|
case I2C_HW_B_BT848:
|
|
case I2C_HW_B_RIVA:
|
|
case I2C_HW_SAA7134:
|
|
return i2c_probe(adap, &addr_data, tda9887_attach);
|
|
break;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static int tda9887_detach(struct i2c_client *client)
|
|
{
|
|
struct tda9887 *t = i2c_get_clientdata(client);
|
|
|
|
i2c_detach_client(client);
|
|
kfree(t);
|
|
return 0;
|
|
}
|
|
|
|
#define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
|
|
printk(PREFIX "switching to v4l2\n"); \
|
|
t->using_v4l2 = 1;
|
|
#define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
|
|
printk(PREFIX "ignore v4l1 call\n"); \
|
|
return 0; }
|
|
|
|
static int
|
|
tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
|
|
{
|
|
struct tda9887 *t = i2c_get_clientdata(client);
|
|
|
|
switch (cmd) {
|
|
|
|
/* --- configuration --- */
|
|
case AUDC_SET_RADIO:
|
|
{
|
|
t->mode = T_RADIO;
|
|
tda9887_configure(t);
|
|
break;
|
|
}
|
|
case TUNER_SET_STANDBY:
|
|
{
|
|
t->mode = T_STANDBY;
|
|
tda9887_configure(t);
|
|
break;
|
|
}
|
|
case AUDC_CONFIG_PINNACLE:
|
|
{
|
|
int *i = arg;
|
|
|
|
t->pinnacle_id = *i;
|
|
tda9887_configure(t);
|
|
break;
|
|
}
|
|
case TDA9887_SET_CONFIG:
|
|
{
|
|
int *i = arg;
|
|
|
|
t->config = *i;
|
|
tda9887_configure(t);
|
|
break;
|
|
}
|
|
/* --- v4l ioctls --- */
|
|
/* take care: bttv does userspace copying, we'll get a
|
|
kernel pointer here... */
|
|
case VIDIOCSCHAN:
|
|
{
|
|
static const v4l2_std_id map[] = {
|
|
[ VIDEO_MODE_PAL ] = V4L2_STD_PAL,
|
|
[ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M,
|
|
[ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
|
|
[ 4 /* bttv */ ] = V4L2_STD_PAL_M,
|
|
[ 5 /* bttv */ ] = V4L2_STD_PAL_N,
|
|
[ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
|
|
};
|
|
struct video_channel *vc = arg;
|
|
|
|
CHECK_V4L2;
|
|
t->mode = T_ANALOG_TV;
|
|
if (vc->norm < ARRAY_SIZE(map))
|
|
t->std = map[vc->norm];
|
|
tda9887_fixup_std(t);
|
|
tda9887_configure(t);
|
|
break;
|
|
}
|
|
case VIDIOC_S_STD:
|
|
{
|
|
v4l2_std_id *id = arg;
|
|
|
|
SWITCH_V4L2;
|
|
t->mode = T_ANALOG_TV;
|
|
t->std = *id;
|
|
tda9887_fixup_std(t);
|
|
tda9887_configure(t);
|
|
break;
|
|
}
|
|
case VIDIOC_S_FREQUENCY:
|
|
{
|
|
struct v4l2_frequency *f = arg;
|
|
|
|
SWITCH_V4L2;
|
|
if (V4L2_TUNER_ANALOG_TV == f->type) {
|
|
if (t->mode == T_ANALOG_TV)
|
|
return 0;
|
|
t->mode = T_ANALOG_TV;
|
|
}
|
|
if (V4L2_TUNER_RADIO == f->type) {
|
|
if (t->mode == T_RADIO)
|
|
return 0;
|
|
t->mode = T_RADIO;
|
|
}
|
|
tda9887_configure(t);
|
|
break;
|
|
}
|
|
case VIDIOC_G_TUNER:
|
|
{
|
|
static int AFC_BITS_2_kHz[] = {
|
|
-12500, -37500, -62500, -97500,
|
|
-112500, -137500, -162500, -187500,
|
|
187500, 162500, 137500, 112500,
|
|
97500 , 62500, 37500 , 12500
|
|
};
|
|
struct v4l2_tuner* tuner = arg;
|
|
|
|
if (t->mode == T_RADIO) {
|
|
__u8 reg = 0;
|
|
tuner->afc=0;
|
|
if (1 == i2c_master_recv(&t->client,®,1))
|
|
tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
|
|
}
|
|
break;
|
|
}
|
|
case VIDIOC_S_TUNER:
|
|
{
|
|
struct v4l2_tuner* tuner = arg;
|
|
|
|
if (t->mode == T_RADIO) {
|
|
t->radio_mode = tuner->audmode;
|
|
tda9887_configure (t);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
/* nothing */
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int tda9887_suspend(struct device * dev, pm_message_t state)
|
|
{
|
|
dprintk("tda9887: suspend\n");
|
|
return 0;
|
|
}
|
|
|
|
static int tda9887_resume(struct device * dev)
|
|
{
|
|
struct i2c_client *c = container_of(dev, struct i2c_client, dev);
|
|
struct tda9887 *t = i2c_get_clientdata(c);
|
|
|
|
dprintk("tda9887: resume\n");
|
|
tda9887_configure(t);
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static struct i2c_driver driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "i2c tda9887 driver",
|
|
.id = -1, /* FIXME */
|
|
.flags = I2C_DF_NOTIFY,
|
|
.attach_adapter = tda9887_probe,
|
|
.detach_client = tda9887_detach,
|
|
.command = tda9887_command,
|
|
.driver = {
|
|
.suspend = tda9887_suspend,
|
|
.resume = tda9887_resume,
|
|
},
|
|
};
|
|
static struct i2c_client client_template =
|
|
{
|
|
.name = "tda9887",
|
|
.flags = I2C_CLIENT_ALLOW_USE,
|
|
.driver = &driver,
|
|
};
|
|
|
|
static int __init tda9887_init_module(void)
|
|
{
|
|
return i2c_add_driver(&driver);
|
|
}
|
|
|
|
static void __exit tda9887_cleanup_module(void)
|
|
{
|
|
i2c_del_driver(&driver);
|
|
}
|
|
|
|
module_init(tda9887_init_module);
|
|
module_exit(tda9887_cleanup_module);
|
|
|
|
/*
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|