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1275 |
phoenix |
#include <linux/module.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 "audiochip.h"
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#include "id.h"
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#include "i2c-compat.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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*/
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/* Addresses to scan */
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static unsigned short normal_i2c[] = {I2C_CLIENT_END};
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static unsigned short normal_i2c_range[] = {0x86>>1,0x86>>1,I2C_CLIENT_END};
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I2C_CLIENT_INSMOD;
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/* insmod options */
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static int debug = 0;
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static char *pal = "b";
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static char *secam = "l";
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MODULE_PARM(debug,"i");
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MODULE_PARM(pal,"s");
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MODULE_PARM(secam,"s");
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MODULE_LICENSE("GPL");
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/* ---------------------------------------------------------------------- */
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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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int radio,tvnorm;
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int pinnacle_id;
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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
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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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| 70 |
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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
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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
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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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| 102 |
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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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static int tda9887_miro(struct tda9887 *t)
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{
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int rc;
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u8 bData[4] = { 0 };
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u8 bVideoIF = 0;
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u8 bAudioIF = 0;
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u8 bDeEmphasis = 0;
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u8 bDeEmphVal = 0;
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u8 bModulation = 0;
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u8 bCarrierMode = 0;
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u8 bOutPort1 = cOutputPort1Inactive;
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#if 0
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u8 bOutPort2 = cOutputPort2Inactive & mbTADState; // store i2c tuner state
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#else
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u8 bOutPort2 = cOutputPort2Inactive;
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#endif
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u8 bVideoTrap = cVideoTrapBypassOFF;
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#if 1
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u8 bTopAdjust = 0x0e /* -2dB */;
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#else
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u8 bTopAdjust = 0;
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#endif
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#if 0
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if (mParams.fVideoTrap)
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bVideoTrap = cVideoTrapBypassON;
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#endif
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if (t->radio) {
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bVideoTrap = cVideoTrapBypassOFF;
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bCarrierMode = cQSS;
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bModulation = cFmRadio;
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bOutPort1 = cOutputPort1Inactive;
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bDeEmphasis = cDeemphasisON;
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if (3 == t->pinnacle_id) {
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/* ntsc */
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bDeEmphVal = cDeemphasis75;
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bAudioIF = cAudioIF_4_5;
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bVideoIF = cRadioIF_45_75;
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} else {
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/* pal */
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bAudioIF = cAudioIF_5_5;
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bVideoIF = cRadioIF_38_90;
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bDeEmphVal = cDeemphasis50;
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}
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} else if (t->tvnorm == VIDEO_MODE_PAL) {
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bDeEmphasis = cDeemphasisON;
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bDeEmphVal = cDeemphasis50;
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bModulation = cNegativeFmTV;
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bOutPort1 = cOutputPort1Inactive;
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if (1 == t->pinnacle_id) {
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bCarrierMode = cIntercarrier;
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} else {
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// stereo boards
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bCarrierMode = cQSS;
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}
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switch (pal[0]) {
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case 'b':
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case 'g':
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case 'h':
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bVideoIF = cVideoIF_38_90;
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bAudioIF = cAudioIF_5_5;
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break;
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case 'd':
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bVideoIF = cVideoIF_38_00;
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bAudioIF = cAudioIF_6_5;
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break;
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case 'i':
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bVideoIF = cVideoIF_38_90;
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bAudioIF = cAudioIF_6_0;
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break;
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case 'm':
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case 'n':
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bVideoIF = cVideoIF_45_75;
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bAudioIF = cAudioIF_4_5;
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bDeEmphVal = cDeemphasis75;
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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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break;
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}
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} else if (t->tvnorm == VIDEO_MODE_SECAM) {
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bAudioIF = cAudioIF_6_5;
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bDeEmphasis = cDeemphasisON;
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bDeEmphVal = cDeemphasis50;
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bModulation = cNegativeFmTV;
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bCarrierMode = cQSS;
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bOutPort1 = cOutputPort1Inactive;
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switch (secam[0]) {
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case 'd':
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bVideoIF = cVideoIF_38_00;
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break;
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case 'k':
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bVideoIF = cVideoIF_38_90;
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break;
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case 'l':
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bVideoIF = cVideoIF_38_90;
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bDeEmphasis = cDeemphasisOFF;
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bDeEmphVal = cDeemphasis75;
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bModulation = cPositiveAmTV;
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break;
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case 'L' /* L1 */:
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bVideoIF = cVideoIF_33_90;
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bDeEmphasis = cDeemphasisOFF;
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bDeEmphVal = cDeemphasis75;
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bModulation = cPositiveAmTV;
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break;
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| 233 |
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}
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| 235 |
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} else if (t->tvnorm == VIDEO_MODE_NTSC) {
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bVideoIF = cVideoIF_45_75;
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bAudioIF = cAudioIF_4_5;
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| 238 |
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bDeEmphasis = cDeemphasisON;
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| 239 |
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bDeEmphVal = cDeemphasis75;
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| 240 |
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bModulation = cNegativeFmTV;
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| 241 |
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bOutPort1 = cOutputPort1Inactive;
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| 242 |
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if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) {
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| 243 |
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bCarrierMode = cIntercarrier;
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| 244 |
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} else {
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| 245 |
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bCarrierMode = cQSS;
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| 246 |
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}
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| 247 |
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}
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| 248 |
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| 249 |
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bData[1] = bVideoTrap | // B0: video trap bypass
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| 250 |
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cAutoMuteFmInactive | // B1: auto mute
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| 251 |
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bCarrierMode | // B2: InterCarrier for PAL else QSS
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| 252 |
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bModulation | // B3 - B4: positive AM TV for SECAM only
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| 253 |
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cForcedMuteAudioOFF | // B5: forced Audio Mute (off)
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| 254 |
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bOutPort1 | // B6: Out Port 1
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| 255 |
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bOutPort2; // B7: Out Port 2
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| 256 |
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bData[2] = bTopAdjust | // C0 - C4: Top Adjust 0 == -16dB 31 == 15dB
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| 257 |
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bDeEmphasis | // C5: De-emphasis on/off
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| 258 |
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bDeEmphVal | // C6: De-emphasis 50/75 microsec
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| 259 |
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cAudioGain0; // C7: normal audio gain
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| 260 |
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bData[3] = bAudioIF | // E0 - E1: Sound IF
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| 261 |
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bVideoIF | // E2 - E4: Video IF
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| 262 |
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cTunerGainNormal | // E5: Tuner gain (normal)
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| 263 |
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cGating_18 | // E6: Gating (18%)
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| 264 |
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cAgcOutOFF; // E7: VAGC (off)
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| 265 |
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| 266 |
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dprintk("tda9885/6/7: 0x%02x 0x%02x 0x%02x [pinnacle_id=%d]\n",
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| 267 |
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bData[1],bData[2],bData[3],t->pinnacle_id);
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| 268 |
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if (4 != (rc = i2c_master_send(&t->client,bData,4)))
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| 269 |
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printk("tda9885/6/7: i2c i/o error: rc == %d (should be 4)\n",rc);
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| 270 |
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return 0;
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| 271 |
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}
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| 272 |
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| 273 |
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/* ---------------------------------------------------------------------- */
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| 274 |
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| 275 |
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#if 0
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| 276 |
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/* just for reference: old knc-one saa7134 stuff */
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| 277 |
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static unsigned char buf_pal_bg[] = { 0x00, 0x16, 0x70, 0x49 };
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| 278 |
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static unsigned char buf_pal_i[] = { 0x00, 0x16, 0x70, 0x4a };
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| 279 |
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static unsigned char buf_pal_dk[] = { 0x00, 0x16, 0x70, 0x4b };
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| 280 |
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static unsigned char buf_pal_l[] = { 0x00, 0x06, 0x50, 0x4b };
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| 281 |
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static unsigned char buf_fm_stereo[] = { 0x00, 0x0e, 0x0d, 0x77 };
|
| 282 |
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#endif
|
| 283 |
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| 284 |
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static unsigned char buf_pal_bg[] = { 0x00, 0x96, 0x70, 0x49 };
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| 285 |
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static unsigned char buf_pal_i[] = { 0x00, 0x96, 0x70, 0x4a };
|
| 286 |
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static unsigned char buf_pal_dk[] = { 0x00, 0x96, 0x70, 0x4b };
|
| 287 |
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static unsigned char buf_pal_l[] = { 0x00, 0x86, 0x50, 0x4b };
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| 288 |
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static unsigned char buf_fm_stereo[] = { 0x00, 0x8e, 0x0d, 0x77 };
|
| 289 |
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static unsigned char buf_ntsc[] = { 0x00, 0x96, 0x70, 0x44 };
|
| 290 |
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static unsigned char buf_ntsc_jp[] = { 0x00, 0x96, 0x70, 0x40 };
|
| 291 |
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|
| 292 |
|
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static int tda9887_configure(struct tda9887 *t)
|
| 293 |
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{
|
| 294 |
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unsigned char *buf = NULL;
|
| 295 |
|
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int rc;
|
| 296 |
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|
| 297 |
|
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if (t->radio) {
|
| 298 |
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dprintk("tda9885/6/7: FM Radio mode\n");
|
| 299 |
|
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buf = buf_fm_stereo;
|
| 300 |
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|
| 301 |
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} else if (t->tvnorm == VIDEO_MODE_PAL) {
|
| 302 |
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dprintk("tda9885/6/7: PAL-%c mode\n",pal[0]);
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| 303 |
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switch (pal[0]) {
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| 304 |
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case 'b':
|
| 305 |
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case 'g':
|
| 306 |
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buf = buf_pal_bg;
|
| 307 |
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break;
|
| 308 |
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case 'i':
|
| 309 |
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buf = buf_pal_i;
|
| 310 |
|
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break;
|
| 311 |
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case 'd':
|
| 312 |
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case 'k':
|
| 313 |
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buf = buf_pal_dk;
|
| 314 |
|
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break;
|
| 315 |
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case 'l':
|
| 316 |
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buf = buf_pal_l;
|
| 317 |
|
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break;
|
| 318 |
|
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}
|
| 319 |
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|
| 320 |
|
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} else if (t->tvnorm == VIDEO_MODE_NTSC) {
|
| 321 |
|
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dprintk("tda9885/6/7: NTSC mode\n");
|
| 322 |
|
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buf = buf_ntsc;
|
| 323 |
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|
| 324 |
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} else if (t->tvnorm == VIDEO_MODE_SECAM) {
|
| 325 |
|
|
dprintk("tda9885/6/7: SECAM mode\n");
|
| 326 |
|
|
buf = buf_pal_l;
|
| 327 |
|
|
|
| 328 |
|
|
} else if (t->tvnorm == 6 /* BTTV hack */) {
|
| 329 |
|
|
dprintk("tda9885/6/7: NTSC-Japan mode\n");
|
| 330 |
|
|
buf = buf_ntsc_jp;
|
| 331 |
|
|
}
|
| 332 |
|
|
|
| 333 |
|
|
if (NULL == buf) {
|
| 334 |
|
|
printk("tda9885/6/7 unknown norm=%d\n",t->tvnorm);
|
| 335 |
|
|
return 0;
|
| 336 |
|
|
}
|
| 337 |
|
|
|
| 338 |
|
|
dprintk("tda9885/6/7: 0x%02x 0x%02x 0x%02x\n",
|
| 339 |
|
|
buf[1],buf[2],buf[3]);
|
| 340 |
|
|
if (4 != (rc = i2c_master_send(&t->client,buf,4)))
|
| 341 |
|
|
printk("tda9885/6/7: i2c i/o error: rc == %d (should be 4)\n",rc);
|
| 342 |
|
|
return 0;
|
| 343 |
|
|
}
|
| 344 |
|
|
|
| 345 |
|
|
/* ---------------------------------------------------------------------- */
|
| 346 |
|
|
|
| 347 |
|
|
static int tda9887_attach(struct i2c_adapter *adap, int addr,
|
| 348 |
|
|
unsigned short flags, int kind)
|
| 349 |
|
|
{
|
| 350 |
|
|
struct tda9887 *t;
|
| 351 |
|
|
|
| 352 |
|
|
client_template.adapter = adap;
|
| 353 |
|
|
client_template.addr = addr;
|
| 354 |
|
|
|
| 355 |
|
|
printk("tda9887: chip found @ 0x%x\n", addr<<1);
|
| 356 |
|
|
|
| 357 |
|
|
if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
|
| 358 |
|
|
return -ENOMEM;
|
| 359 |
|
|
memset(t,0,sizeof(*t));
|
| 360 |
|
|
t->client = client_template;
|
| 361 |
|
|
t->pinnacle_id = -1;
|
| 362 |
|
|
t->tvnorm=VIDEO_MODE_PAL;
|
| 363 |
|
|
i2c_set_clientdata(&t->client, t);
|
| 364 |
|
|
i2c_attach_client(&t->client);
|
| 365 |
|
|
|
| 366 |
|
|
MOD_INC_USE_COUNT;
|
| 367 |
|
|
return 0;
|
| 368 |
|
|
}
|
| 369 |
|
|
|
| 370 |
|
|
static int tda9887_probe(struct i2c_adapter *adap)
|
| 371 |
|
|
{
|
| 372 |
|
|
#ifdef I2C_ADAP_CLASS_TV_ANALOG
|
| 373 |
|
|
if (adap->class & I2C_ADAP_CLASS_TV_ANALOG)
|
| 374 |
|
|
return i2c_probe(adap, &addr_data, tda9887_attach);
|
| 375 |
|
|
#else
|
| 376 |
|
|
switch (adap->id) {
|
| 377 |
|
|
case I2C_ALGO_BIT | I2C_HW_B_BT848:
|
| 378 |
|
|
case I2C_ALGO_BIT | I2C_HW_B_RIVA:
|
| 379 |
|
|
case I2C_ALGO_SAA7134:
|
| 380 |
|
|
return i2c_probe(adap, &addr_data, tda9887_attach);
|
| 381 |
|
|
break;
|
| 382 |
|
|
}
|
| 383 |
|
|
#endif
|
| 384 |
|
|
return 0;
|
| 385 |
|
|
}
|
| 386 |
|
|
|
| 387 |
|
|
static int tda9887_detach(struct i2c_client *client)
|
| 388 |
|
|
{
|
| 389 |
|
|
struct tda9887 *t = i2c_get_clientdata(client);
|
| 390 |
|
|
|
| 391 |
|
|
i2c_detach_client(client);
|
| 392 |
|
|
kfree(t);
|
| 393 |
|
|
MOD_DEC_USE_COUNT;
|
| 394 |
|
|
return 0;
|
| 395 |
|
|
}
|
| 396 |
|
|
|
| 397 |
|
|
static int
|
| 398 |
|
|
tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
|
| 399 |
|
|
{
|
| 400 |
|
|
struct tda9887 *t = i2c_get_clientdata(client);
|
| 401 |
|
|
|
| 402 |
|
|
switch (cmd) {
|
| 403 |
|
|
|
| 404 |
|
|
/* --- configuration --- */
|
| 405 |
|
|
case AUDC_SET_RADIO:
|
| 406 |
|
|
t->radio = 1;
|
| 407 |
|
|
if (-1 != t->pinnacle_id)
|
| 408 |
|
|
tda9887_miro(t);
|
| 409 |
|
|
else
|
| 410 |
|
|
tda9887_configure(t);
|
| 411 |
|
|
break;
|
| 412 |
|
|
|
| 413 |
|
|
case AUDC_CONFIG_PINNACLE:
|
| 414 |
|
|
{
|
| 415 |
|
|
int *i = arg;
|
| 416 |
|
|
|
| 417 |
|
|
t->pinnacle_id = *i;
|
| 418 |
|
|
tda9887_miro(t);
|
| 419 |
|
|
break;
|
| 420 |
|
|
}
|
| 421 |
|
|
/* --- v4l ioctls --- */
|
| 422 |
|
|
/* take care: bttv does userspace copying, we'll get a
|
| 423 |
|
|
kernel pointer here... */
|
| 424 |
|
|
case VIDIOCSCHAN:
|
| 425 |
|
|
{
|
| 426 |
|
|
struct video_channel *vc = arg;
|
| 427 |
|
|
|
| 428 |
|
|
t->radio = 0;
|
| 429 |
|
|
t->tvnorm = vc->norm;
|
| 430 |
|
|
if (-1 != t->pinnacle_id)
|
| 431 |
|
|
tda9887_miro(t);
|
| 432 |
|
|
else
|
| 433 |
|
|
tda9887_configure(t);
|
| 434 |
|
|
break;
|
| 435 |
|
|
}
|
| 436 |
|
|
default:
|
| 437 |
|
|
/* nothing */
|
| 438 |
|
|
break;
|
| 439 |
|
|
}
|
| 440 |
|
|
return 0;
|
| 441 |
|
|
}
|
| 442 |
|
|
|
| 443 |
|
|
/* ----------------------------------------------------------------------- */
|
| 444 |
|
|
|
| 445 |
|
|
static struct i2c_driver driver = {
|
| 446 |
|
|
.name = "i2c tda9887 driver",
|
| 447 |
|
|
.id = -1, /* FIXME */
|
| 448 |
|
|
.flags = I2C_DF_NOTIFY,
|
| 449 |
|
|
.attach_adapter = tda9887_probe,
|
| 450 |
|
|
.detach_client = tda9887_detach,
|
| 451 |
|
|
.command = tda9887_command,
|
| 452 |
|
|
};
|
| 453 |
|
|
static struct i2c_client client_template =
|
| 454 |
|
|
{
|
| 455 |
|
|
I2C_DEVNAME("tda9887"),
|
| 456 |
|
|
.flags = I2C_CLIENT_ALLOW_USE,
|
| 457 |
|
|
.driver = &driver,
|
| 458 |
|
|
};
|
| 459 |
|
|
|
| 460 |
|
|
static int tda9887_init_module(void)
|
| 461 |
|
|
{
|
| 462 |
|
|
i2c_add_driver(&driver);
|
| 463 |
|
|
return 0;
|
| 464 |
|
|
}
|
| 465 |
|
|
|
| 466 |
|
|
static void tda9887_cleanup_module(void)
|
| 467 |
|
|
{
|
| 468 |
|
|
i2c_del_driver(&driver);
|
| 469 |
|
|
}
|
| 470 |
|
|
|
| 471 |
|
|
module_init(tda9887_init_module);
|
| 472 |
|
|
module_exit(tda9887_cleanup_module);
|
| 473 |
|
|
|
| 474 |
|
|
/*
|
| 475 |
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
| 476 |
|
|
* ---------------------------------------------------------------------------
|
| 477 |
|
|
* Local variables:
|
| 478 |
|
|
* c-basic-offset: 8
|
| 479 |
|
|
* End:
|
| 480 |
|
|
*/
|
