Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 1 Nov 2002 10:43:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 1 Nov 2002 10:43:52 -0500 Received: from hirsch.in-berlin.de ([192.109.42.6]:31630 "EHLO hirsch.in-berlin.de") by vger.kernel.org with ESMTP id ; Fri, 1 Nov 2002 10:43:39 -0500 X-Envelope-From: kraxel@bytesex.org Date: Fri, 1 Nov 2002 17:52:01 +0100 From: Gerd Knorr To: Linus Torvalds , Kernel List Subject: [patch] v4l: add tda9887 i2c module Message-ID: <20021101165201.GA32586@bytesex.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 15181 Lines: 531 Hi Linus, This patch adds the tda9887 i2c module to the linux kernel. Some bttv and saa7134 cards need that module for tuning TV stations. Gerd ==============================[ cut here ]============================== --- linux-2.5.45/drivers/media/video/Makefile 2002-11-01 15:32:28.000000000 +0100 +++ linux/drivers/media/video/Makefile 2002-11-01 15:40:34.000000000 +0100 @@ -15,7 +15,7 @@ obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o obj-$(CONFIG_VIDEO_BT848) += bttv.o msp3400.o tvaudio.o \ - tda7432.o tda9875.o tuner.o video-buf.o + tda7432.o tda9875.o tuner.o video-buf.o tda9887.o obj-$(CONFIG_SOUND_TVMIXER) += tvmixer.o obj-$(CONFIG_VIDEO_ZR36120) += zoran.o --- linux-2.5.45/drivers/media/video/audiochip.h 2002-11-01 15:32:15.000000000 +0100 +++ linux/drivers/media/video/audiochip.h 2002-11-01 15:40:34.000000000 +0100 @@ -67,4 +67,8 @@ #define AUDC_SWITCH_MUTE _IO('m',16) /* turn on mute */ #endif + +/* misc stuff to pass around config info to i2c chips */ +#define AUDC_CONFIG_PINNACLE _IOW('m',32,int) + #endif /* AUDIOCHIP_H */ --- linux-2.5.45/drivers/media/video/tda9887.c 2002-11-01 15:40:34.000000000 +0100 +++ linux/drivers/media/video/tda9887.c 2002-11-01 15:40:34.000000000 +0100 @@ -0,0 +1,493 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "id.h" +#include "audiochip.h" + +/* Chips: + TDA9885 (PAL, NTSC) + TDA9886 (PAL, SECAM, NTSC) + TDA9887 (PAL, SECAM, NTSC, FM Radio) + + found on: + - Pinnacle PCTV (Jul.2002 Version with MT2032, bttv) + TDA9887 (world), TDA9885 (USA) + Note: OP2 of tda988x must be set to 1, else MT2032 is disabled! + - KNC One TV-Station RDS (saa7134) +*/ + + +/* Addresses to scan */ +static unsigned short normal_i2c[] = {I2C_CLIENT_END}; +static unsigned short normal_i2c_range[] = {0x86>>1,0x86>>1,I2C_CLIENT_END}; +static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; +static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; +static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; +static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; +static unsigned short force[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; +static struct i2c_client_address_data addr_data = { + normal_i2c, normal_i2c_range, + probe, probe_range, + ignore, ignore_range, + force +}; + +/* insmod options */ +static int debug = 0; +static char *pal = "b"; +static char *secam = "l"; +MODULE_PARM(debug,"i"); +MODULE_PARM(pal,"s"); +MODULE_PARM(secam,"s"); +MODULE_LICENSE("GPL"); + +/* ---------------------------------------------------------------------- */ + +#define dprintk if (debug) printk + +struct tda9887 { + struct i2c_client client; + int radio,tvnorm; + int pinnacle_id; +}; + +static struct i2c_driver driver; +static struct i2c_client client_template; + +/* ---------------------------------------------------------------------- */ + +// +// TDA defines +// + +//// first reg +#define cVideoTrapBypassOFF 0x00 // bit b0 +#define cVideoTrapBypassON 0x01 // bit b0 + +#define cAutoMuteFmInactive 0x00 // bit b1 +#define cAutoMuteFmActive 0x02 // bit b1 + +#define cIntercarrier 0x00 // bit b2 +#define cQSS 0x04 // bit b2 + +#define cPositiveAmTV 0x00 // bit b3:4 +#define cFmRadio 0x08 // bit b3:4 +#define cNegativeFmTV 0x10 // bit b3:4 + + +#define cForcedMuteAudioON 0x20 // bit b5 +#define cForcedMuteAudioOFF 0x00 // bit b5 + +#define cOutputPort1Active 0x00 // bit b6 +#define cOutputPort1Inactive 0x40 // bit b6 + +#define cOutputPort2Active 0x00 // bit b7 +#define cOutputPort2Inactive 0x80 // bit b7 + + +//// second reg +#define cDeemphasisOFF 0x00 // bit c5 +#define cDeemphasisON 0x20 // bit c5 + +#define cDeemphasis75 0x00 // bit c6 +#define cDeemphasis50 0x40 // bit c6 + +#define cAudioGain0 0x00 // bit c7 +#define cAudioGain6 0x80 // bit c7 + + +//// third reg +#define cAudioIF_4_5 0x00 // bit e0:1 +#define cAudioIF_5_5 0x01 // bit e0:1 +#define cAudioIF_6_0 0x02 // bit e0:1 +#define cAudioIF_6_5 0x03 // bit e0:1 + + +#define cVideoIF_58_75 0x00 // bit e2:4 +#define cVideoIF_45_75 0x04 // bit e2:4 +#define cVideoIF_38_90 0x08 // bit e2:4 +#define cVideoIF_38_00 0x0C // bit e2:4 +#define cVideoIF_33_90 0x10 // bit e2:4 +#define cVideoIF_33_40 0x14 // bit e2:4 +#define cRadioIF_45_75 0x18 // bit e2:4 +#define cRadioIF_38_90 0x1C // bit e2:4 + + +#define cTunerGainNormal 0x00 // bit e5 +#define cTunerGainLow 0x20 // bit e5 + +#define cGating_18 0x00 // bit e6 +#define cGating_36 0x40 // bit e6 + +#define cAgcOutON 0x80 // bit e7 +#define cAgcOutOFF 0x00 // bit e7 + +static int tda9887_miro(struct tda9887 *t) +{ + int rc; + u8 bData[4] = { 0 }; + u8 bVideoIF = 0; + u8 bAudioIF = 0; + u8 bDeEmphasis = 0; + u8 bDeEmphVal = 0; + u8 bModulation = 0; + u8 bCarrierMode = 0; + u8 bOutPort1 = cOutputPort1Inactive; +#if 0 + u8 bOutPort2 = cOutputPort2Inactive & mbTADState; // store i2c tuner state +#else + u8 bOutPort2 = cOutputPort2Inactive; +#endif + u8 bVideoTrap = cVideoTrapBypassOFF; +#if 0 + u8 bTopAdjust = mbAGC; +#else + u8 bTopAdjust = 0; +#endif + +#if 0 + if (mParams.fVideoTrap) + bVideoTrap = cVideoTrapBypassON; +#endif + + if (t->radio) { + bVideoTrap = cVideoTrapBypassOFF; + bCarrierMode = cQSS; + bModulation = cFmRadio; + bOutPort1 = cOutputPort1Inactive; + bDeEmphasis = cDeemphasisON; + if (3 == t->pinnacle_id) { + /* ntsc */ + bDeEmphVal = cDeemphasis75; + bAudioIF = cAudioIF_4_5; + bVideoIF = cRadioIF_45_75; + } else { + /* pal */ + bAudioIF = cAudioIF_5_5; + bVideoIF = cRadioIF_38_90; + bDeEmphVal = cDeemphasis50; + } + + } else if (t->tvnorm == VIDEO_MODE_PAL) { + bDeEmphasis = cDeemphasisON; + bDeEmphVal = cDeemphasis50; + bModulation = cNegativeFmTV; + bOutPort1 = cOutputPort1Inactive; + if (1 == t->pinnacle_id) { + bCarrierMode = cIntercarrier; + } else { + // stereo boards + bCarrierMode = cQSS; + } + switch (pal[0]) { + case 'b': + case 'g': + case 'h': + bVideoIF = cVideoIF_38_90; + bAudioIF = cAudioIF_5_5; + break; + case 'd': + bVideoIF = cVideoIF_38_00; + bAudioIF = cAudioIF_6_5; + break; + case 'i': + bVideoIF = cVideoIF_38_90; + bAudioIF = cAudioIF_6_0; + break; + case 'm': + case 'n': + bVideoIF = cVideoIF_45_75; + bAudioIF = cAudioIF_4_5; + bDeEmphVal = cDeemphasis75; + if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) { + bCarrierMode = cIntercarrier; + } else { + bCarrierMode = cQSS; + } + break; + } + + } else if (t->tvnorm == VIDEO_MODE_SECAM) { + bAudioIF = cAudioIF_6_5; + bDeEmphasis = cDeemphasisON; + bDeEmphVal = cDeemphasis50; + bModulation = cNegativeFmTV; + bCarrierMode = cQSS; + bOutPort1 = cOutputPort1Inactive; + switch (secam[0]) { + case 'd': + bVideoIF = cVideoIF_38_00; + break; + case 'k': + bVideoIF = cVideoIF_38_90; + break; + case 'l': + bVideoIF = cVideoIF_38_90; + bDeEmphasis = cDeemphasisOFF; + bDeEmphVal = cDeemphasis75; + bModulation = cPositiveAmTV; + break; + case 'L' /* L1 */: + bVideoIF = cVideoIF_33_90; + bDeEmphasis = cDeemphasisOFF; + bDeEmphVal = cDeemphasis75; + bModulation = cPositiveAmTV; + break; + } + + } else if (t->tvnorm == VIDEO_MODE_NTSC) { + bVideoIF = cVideoIF_45_75; + bAudioIF = cAudioIF_4_5; + bDeEmphasis = cDeemphasisON; + bDeEmphVal = cDeemphasis75; + bModulation = cNegativeFmTV; + bOutPort1 = cOutputPort1Inactive; + if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) { + bCarrierMode = cIntercarrier; + } else { + bCarrierMode = cQSS; + } + } + + bData[1] = bVideoTrap | // B0: video trap bypass + cAutoMuteFmInactive | // B1: auto mute + bCarrierMode | // B2: InterCarrier for PAL else QSS + bModulation | // B3 - B4: positive AM TV for SECAM only + cForcedMuteAudioOFF | // B5: forced Audio Mute (off) + bOutPort1 | // B6: Out Port 1 + bOutPort2; // B7: Out Port 2 + bData[2] = bTopAdjust | // C0 - C4: Top Adjust 0 == -16dB 31 == 15dB + bDeEmphasis | // C5: De-emphasis on/off + bDeEmphVal | // C6: De-emphasis 50/75 microsec + cAudioGain0; // C7: normal audio gain + bData[3] = bAudioIF | // E0 - E1: Sound IF + bVideoIF | // E2 - E4: Video IF + cTunerGainNormal | // E5: Tuner gain (normal) + cGating_18 | // E6: Gating (18%) + cAgcOutOFF; // E7: VAGC (off) + + dprintk("tda9885/6/7: 0x%02x 0x%02x 0x%02x [pinnacle_id=%d]\n", + bData[1],bData[2],bData[3],t->pinnacle_id); + if (4 != (rc = i2c_master_send(&t->client,bData,4))) + printk("tda9885/6/7: i2c i/o error: rc == %d (should be 4)\n",rc); + return 0; +} + +/* ---------------------------------------------------------------------- */ + +#if 0 +/* just for reference: old knc-one saa7134 stuff */ +static unsigned char buf_pal_bg[] = { 0x00, 0x16, 0x70, 0x49 }; +static unsigned char buf_pal_i[] = { 0x00, 0x16, 0x70, 0x4a }; +static unsigned char buf_pal_dk[] = { 0x00, 0x16, 0x70, 0x4b }; +static unsigned char buf_pal_l[] = { 0x00, 0x06, 0x50, 0x4b }; +static unsigned char buf_fm_stereo[] = { 0x00, 0x0e, 0x0d, 0x77 }; +#endif + +static unsigned char buf_pal_bg[] = { 0x00, 0x96, 0x70, 0x49 }; +static unsigned char buf_pal_i[] = { 0x00, 0x96, 0x70, 0x4a }; +static unsigned char buf_pal_dk[] = { 0x00, 0x96, 0x70, 0x4b }; +static unsigned char buf_pal_l[] = { 0x00, 0x86, 0x50, 0x4b }; +static unsigned char buf_fm_stereo[] = { 0x00, 0x8e, 0x0d, 0x77 }; +static unsigned char buf_ntsc[] = { 0x00, 0x96, 0x70, 0x44 }; +static unsigned char buf_ntsc_jp[] = { 0x00, 0x96, 0x70, 0x40 }; + +static int tda9887_configure(struct tda9887 *t) +{ + unsigned char *buf = NULL; + int rc; + + printk("tda9887_configure\n"); + + if (t->radio) { + dprintk("tda9885/6/7: FM Radio mode\n"); + buf = buf_fm_stereo; + + } else if (t->tvnorm == VIDEO_MODE_PAL) { + dprintk("tda9885/6/7: PAL-%c mode\n",pal[0]); + switch (pal[0]) { + case 'b': + case 'g': + buf = buf_pal_bg; + break; + case 'i': + buf = buf_pal_i; + break; + case 'd': + case 'k': + buf = buf_pal_dk; + break; + case 'l': + buf = buf_pal_l; + break; + } + + } else if (t->tvnorm == VIDEO_MODE_NTSC) { + dprintk("tda9885/6/7: NTSC mode\n"); + buf = buf_ntsc; + + } else if (t->tvnorm == VIDEO_MODE_SECAM) { + dprintk("tda9885/6/7: SECAM mode\n"); + buf = buf_pal_l; + + } else if (t->tvnorm == 6 /* BTTV hack */) { + dprintk("tda9885/6/7: NTSC-Japan mode\n"); + buf = buf_ntsc_jp; + } + + if (NULL == buf) { + printk("tda9885/6/7 unknown norm=%d\n",t->tvnorm); + return 0; + } + + dprintk("tda9885/6/7: 0x%02x 0x%02x 0x%02x\n", + buf[1],buf[2],buf[3]); + if (4 != (rc = i2c_master_send(&t->client,buf,4))) + printk("tda9885/6/7: i2c i/o error: rc == %d (should be 4)\n",rc); + return 0; +} + +/* ---------------------------------------------------------------------- */ + +static int tda9887_attach(struct i2c_adapter *adap, int addr, + unsigned short flags, int kind) +{ + struct tda9887 *t; + + client_template.adapter = adap; + client_template.addr = addr; + + printk("tda9887: 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->client.data = t; + t->pinnacle_id = -1; + i2c_attach_client(&t->client); + + MOD_INC_USE_COUNT; + return 0; +} + +static int tda9887_probe(struct i2c_adapter *adap) +{ + int rc; + + switch (adap->id) { + case I2C_ALGO_BIT | I2C_HW_B_BT848: + case I2C_ALGO_BIT | I2C_HW_B_RIVA: + case I2C_ALGO_SAA7134: + printk("tda9887: probing %s i2c adapter [id=0x%x]\n", + adap->name,adap->id); + rc = i2c_probe(adap, &addr_data, tda9887_attach); + break; + default: + printk("tda9887: ignoring %s i2c adapter [id=0x%x]\n", + adap->name,adap->id); + rc = 0; + /* nothing */ + } + return rc; +} + +static int tda9887_detach(struct i2c_client *client) +{ + struct tda9887 *t = (struct tda9887*)client->data; + + i2c_detach_client(client); + kfree(t); + MOD_DEC_USE_COUNT; + return 0; +} + +static int +tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg) +{ + struct tda9887 *t = (struct tda9887*)client->data; + + switch (cmd) { + + /* --- configuration --- */ + case AUDC_SET_RADIO: + t->radio = 1; + if (-1 != t->pinnacle_id) + tda9887_miro(t); + else + tda9887_configure(t); + break; + + case AUDC_CONFIG_PINNACLE: + { + int *i = arg; + + t->pinnacle_id = *i; + break; + } + /* --- v4l ioctls --- */ + /* take care: bttv does userspace copying, we'll get a + kernel pointer here... */ + case VIDIOCSCHAN: + { + struct video_channel *vc = arg; + + t->radio = 0; + t->tvnorm = vc->norm; + if (-1 != t->pinnacle_id) + tda9887_miro(t); + else + tda9887_configure(t); + break; + } + default: + /* nothing */ + break; + } + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static struct i2c_driver driver = { + name: "i2c tda9887 driver", + id: -1, /* FIXME */ + flags: I2C_DF_NOTIFY, + attach_adapter: tda9887_probe, + detach_client: tda9887_detach, + command: tda9887_command, +}; +static struct i2c_client client_template = +{ + name: "tda9887", + flags: I2C_CLIENT_ALLOW_USE, + driver: &driver, +}; + +static int tda9887_init_module(void) +{ + i2c_add_driver(&driver); + return 0; +} + +static void 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: + */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/