#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/slab.h>
+#include <linux/delay.h>
+
+#include <media/v4l2-common.h>
+#include <media/tuner.h>
-#include <media/audiochip.h>
-#include <media/id.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)
+ Used as part of several tuners
*/
-
-/* Addresses to scan */
-static unsigned short normal_i2c[] = {
- 0x86 >>1,
- 0x96 >>1,
- I2C_CLIENT_END,
-};
-static unsigned short normal_i2c_range[] = {I2C_CLIENT_END,I2C_CLIENT_END};
-I2C_CLIENT_INSMOD;
-
-/* 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 tda9887_info(fmt, arg...) do {\
+ printk(KERN_INFO "%s %d-%04x: " fmt, t->i2c.name, \
+ i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
+#define tda9887_dbg(fmt, arg...) do {\
+ if (tuner_debug) \
+ printk(KERN_INFO "%s %d-%04x: " fmt, t->i2c.name, \
+ i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
+
/* ---------------------------------------------------------------------- */
-#define dprintk if (debug) printk
+#define UNSET (-1U)
-struct tda9887 {
- struct i2c_client client;
- int radio,tvnorm;
- int pinnacle_id;
+struct tvnorm {
+ v4l2_std_id std;
+ char *name;
+ unsigned char b;
+ unsigned char c;
+ unsigned char e;
};
-static struct i2c_driver driver;
-static struct i2c_client client_template;
-
/* ---------------------------------------------------------------------- */
//
// TDA defines
//
-//// first reg
+//// first reg (b)
#define cVideoTrapBypassOFF 0x00 // bit b0
#define cVideoTrapBypassON 0x01 // bit b0
#define cOutputPort2Inactive 0x80 // bit b7
-//// second reg
+//// second reg (c)
#define cDeemphasisOFF 0x00 // bit c5
#define cDeemphasisON 0x20 // bit c5
#define cAudioGain0 0x00 // bit c7
#define cAudioGain6 0x80 // bit c7
+#define cTopMask 0x1f // bit c0:4
+#define cTopDefault 0x10 // bit c0:4
-//// third reg
+//// third reg (e)
#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 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 1
- u8 bTopAdjust = 0x0e /* -2dB */;
-#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) || (7 == 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;
- }
+static struct tvnorm tvnorms[] = {
+ {
+ .std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H | V4L2_STD_PAL_N,
+ .name = "PAL-BGHN",
+ .b = ( cNegativeFmTV |
+ cQSS ),
+ .c = ( cDeemphasisON |
+ cDeemphasis50 |
+ cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_5_5 |
+ cVideoIF_38_90 ),
+ },{
+ .std = V4L2_STD_PAL_I,
+ .name = "PAL-I",
+ .b = ( cNegativeFmTV |
+ cQSS ),
+ .c = ( cDeemphasisON |
+ cDeemphasis50 |
+ cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_6_0 |
+ cVideoIF_38_90 ),
+ },{
+ .std = V4L2_STD_PAL_DK,
+ .name = "PAL-DK",
+ .b = ( cNegativeFmTV |
+ cQSS ),
+ .c = ( cDeemphasisON |
+ cDeemphasis50 |
+ cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_6_5 |
+ cVideoIF_38_90 ),
+ },{
+ .std = V4L2_STD_PAL_M | V4L2_STD_PAL_Nc,
+ .name = "PAL-M/Nc",
+ .b = ( cNegativeFmTV |
+ cQSS ),
+ .c = ( cDeemphasisON |
+ cDeemphasis75 |
+ cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_4_5 |
+ cVideoIF_45_75 ),
+ },{
+ .std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H,
+ .name = "SECAM-BGH",
+ .b = ( cPositiveAmTV |
+ cQSS ),
+ .c = ( cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_5_5 |
+ cVideoIF_38_90 ),
+ },{
+ .std = V4L2_STD_SECAM_L,
+ .name = "SECAM-L",
+ .b = ( cPositiveAmTV |
+ cQSS ),
+ .c = ( cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_6_5 |
+ cVideoIF_38_90 ),
+ },{
+ .std = V4L2_STD_SECAM_LC,
+ .name = "SECAM-L'",
+ .b = ( cOutputPort2Inactive |
+ cPositiveAmTV |
+ cQSS ),
+ .c = ( cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_6_5 |
+ cVideoIF_33_90 ),
+ },{
+ .std = V4L2_STD_SECAM_DK,
+ .name = "SECAM-DK",
+ .b = ( cNegativeFmTV |
+ cQSS ),
+ .c = ( cDeemphasisON |
+ cDeemphasis50 |
+ cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_6_5 |
+ cVideoIF_38_90 ),
+ },{
+ .std = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR,
+ .name = "NTSC-M",
+ .b = ( cNegativeFmTV |
+ cQSS ),
+ .c = ( cDeemphasisON |
+ cDeemphasis75 |
+ cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_4_5 |
+ cVideoIF_45_75 ),
+ },{
+ .std = V4L2_STD_NTSC_M_JP,
+ .name = "NTSC-M-JP",
+ .b = ( cNegativeFmTV |
+ cQSS ),
+ .c = ( cDeemphasisON |
+ cDeemphasis50 |
+ cTopDefault),
+ .e = ( cGating_36 |
+ cAudioIF_4_5 |
+ cVideoIF_58_75 ),
}
+};
- 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;
-}
+static struct tvnorm radio_stereo = {
+ .name = "Radio Stereo",
+ .b = ( cFmRadio |
+ cQSS ),
+ .c = ( cDeemphasisOFF |
+ cAudioGain6 |
+ cTopDefault),
+ .e = ( cTunerGainLow |
+ cAudioIF_5_5 |
+ cRadioIF_38_90 ),
+};
+
+static struct tvnorm radio_mono = {
+ .name = "Radio Mono",
+ .b = ( cFmRadio |
+ cQSS ),
+ .c = ( cDeemphasisON |
+ cDeemphasis75 |
+ cTopDefault),
+ .e = ( cTunerGainLow |
+ cAudioIF_5_5 |
+ cRadioIF_38_90 ),
+};
/* ---------------------------------------------------------------------- */
-#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)
+static void dump_read_message(struct tuner *t, unsigned char *buf)
{
- unsigned char *buf = NULL;
- int rc;
-
- 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;
- }
+ static char *afc[16] = {
+ "- 12.5 kHz",
+ "- 37.5 kHz",
+ "- 62.5 kHz",
+ "- 87.5 kHz",
+ "-112.5 kHz",
+ "-137.5 kHz",
+ "-162.5 kHz",
+ "-187.5 kHz [min]",
+ "+187.5 kHz [max]",
+ "+162.5 kHz",
+ "+137.5 kHz",
+ "+112.5 kHz",
+ "+ 87.5 kHz",
+ "+ 62.5 kHz",
+ "+ 37.5 kHz",
+ "+ 12.5 kHz",
+ };
+ tda9887_info("read: 0x%2x\n", buf[0]);
+ tda9887_info(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
+ tda9887_info(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]);
+ tda9887_info(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low");
+ tda9887_info(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out");
+ tda9887_info(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low");
+}
- } else if (t->tvnorm == VIDEO_MODE_NTSC) {
- dprintk("tda9885/6/7: NTSC mode\n");
- buf = buf_ntsc;
+static void dump_write_message(struct tuner *t, unsigned char *buf)
+{
+ static char *sound[4] = {
+ "AM/TV",
+ "FM/radio",
+ "FM/TV",
+ "FM/radio"
+ };
+ static char *adjust[32] = {
+ "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
+ "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
+ "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
+ "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
+ };
+ static char *deemph[4] = {
+ "no", "no", "75", "50"
+ };
+ static char *carrier[4] = {
+ "4.5 MHz",
+ "5.5 MHz",
+ "6.0 MHz",
+ "6.5 MHz / AM"
+ };
+ static char *vif[8] = {
+ "58.75 MHz",
+ "45.75 MHz",
+ "38.9 MHz",
+ "38.0 MHz",
+ "33.9 MHz",
+ "33.4 MHz",
+ "45.75 MHz + pin13",
+ "38.9 MHz + pin13",
+ };
+ static char *rif[4] = {
+ "44 MHz",
+ "52 MHz",
+ "52 MHz",
+ "44 MHz",
+ };
+
+ tda9887_info("write: byte B 0x%02x\n",buf[1]);
+ tda9887_info(" B0 video mode : %s\n",
+ (buf[1] & 0x01) ? "video trap" : "sound trap");
+ tda9887_info(" B1 auto mute fm : %s\n",
+ (buf[1] & 0x02) ? "yes" : "no");
+ tda9887_info(" B2 carrier mode : %s\n",
+ (buf[1] & 0x04) ? "QSS" : "Intercarrier");
+ tda9887_info(" B3-4 tv sound/radio : %s\n",
+ sound[(buf[1] & 0x18) >> 3]);
+ tda9887_info(" B5 force mute audio: %s\n",
+ (buf[1] & 0x20) ? "yes" : "no");
+ tda9887_info(" B6 output port 1 : %s\n",
+ (buf[1] & 0x40) ? "high (inactive)" : "low (active)");
+ tda9887_info(" B7 output port 2 : %s\n",
+ (buf[1] & 0x80) ? "high (inactive)" : "low (active)");
+
+ tda9887_info("write: byte C 0x%02x\n",buf[2]);
+ tda9887_info(" C0-4 top adjustment : %s dB\n", adjust[buf[2] & 0x1f]);
+ tda9887_info(" C5-6 de-emphasis : %s\n", deemph[(buf[2] & 0x60) >> 5]);
+ tda9887_info(" C7 audio gain : %s\n",
+ (buf[2] & 0x80) ? "-6" : "0");
+
+ tda9887_info("write: byte E 0x%02x\n",buf[3]);
+ tda9887_info(" E0-1 sound carrier : %s\n",
+ carrier[(buf[3] & 0x03)]);
+ tda9887_info(" E6 l pll gating : %s\n",
+ (buf[3] & 0x40) ? "36" : "13");
+
+ if (buf[1] & 0x08) {
+ /* radio */
+ tda9887_info(" E2-4 video if : %s\n",
+ rif[(buf[3] & 0x0c) >> 2]);
+ tda9887_info(" E7 vif agc output : %s\n",
+ (buf[3] & 0x80)
+ ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
+ : "fm radio carrier afc");
+ } else {
+ /* video */
+ tda9887_info(" E2-4 video if : %s\n",
+ vif[(buf[3] & 0x1c) >> 2]);
+ tda9887_info(" E5 tuner gain : %s\n",
+ (buf[3] & 0x80)
+ ? ((buf[3] & 0x20) ? "external" : "normal")
+ : ((buf[3] & 0x20) ? "minimum" : "normal"));
+ tda9887_info(" E7 vif agc output : %s\n",
+ (buf[3] & 0x80)
+ ? ((buf[3] & 0x20)
+ ? "pin3 port, pin22 vif agc out"
+ : "pin22 port, pin3 vif acg ext in")
+ : "pin3+pin22 port");
+ }
+ tda9887_info("--\n");
+}
- } 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;
- }
+static int tda9887_set_tvnorm(struct tuner *t, char *buf)
+{
+ struct tvnorm *norm = NULL;
+ int i;
- if (NULL == buf) {
- printk("tda9885/6/7 unknown norm=%d\n",t->tvnorm);
- return 0;
+ if (t->mode == V4L2_TUNER_RADIO) {
+ if (t->audmode == V4L2_TUNER_MODE_MONO)
+ norm = &radio_mono;
+ else
+ norm = &radio_stereo;
+ } else {
+ for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
+ if (tvnorms[i].std & t->std) {
+ norm = tvnorms+i;
+ break;
+ }
+ }
+ }
+ if (NULL == norm) {
+ tda9887_dbg("Unsupported tvnorm entry - audio muted\n");
+ return -1;
}
- 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);
+ tda9887_dbg("configure for: %s\n",norm->name);
+ buf[1] = norm->b;
+ buf[2] = norm->c;
+ buf[3] = norm->e;
return 0;
}
-/* ---------------------------------------------------------------------- */
+static unsigned int port1 = UNSET;
+static unsigned int port2 = UNSET;
+static unsigned int qss = UNSET;
+static unsigned int adjust = UNSET;
+
+module_param(port1, int, 0644);
+module_param(port2, int, 0644);
+module_param(qss, int, 0644);
+module_param(adjust, int, 0644);
-static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
+static int tda9887_set_insmod(struct tuner *t, char *buf)
{
- 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->pinnacle_id = -1;
- t->tvnorm=VIDEO_MODE_PAL;
- i2c_set_clientdata(&t->client, t);
- i2c_attach_client(&t->client);
-
+ if (UNSET != port1) {
+ if (port1)
+ buf[1] |= cOutputPort1Inactive;
+ else
+ buf[1] &= ~cOutputPort1Inactive;
+ }
+ if (UNSET != port2) {
+ if (port2)
+ buf[1] |= cOutputPort2Inactive;
+ else
+ buf[1] &= ~cOutputPort2Inactive;
+ }
+
+ if (UNSET != qss) {
+ if (qss)
+ buf[1] |= cQSS;
+ else
+ buf[1] &= ~cQSS;
+ }
+
+ if (adjust >= 0x00 && adjust < 0x20) {
+ buf[2] &= ~cTopMask;
+ buf[2] |= adjust;
+ }
return 0;
}
-static int tda9887_probe(struct i2c_adapter *adap)
+static int tda9887_set_config(struct tuner *t, char *buf)
{
-#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_ALGO_BIT | I2C_HW_B_BT848:
- case I2C_ALGO_BIT | I2C_HW_B_RIVA:
- case I2C_ALGO_SAA7134:
- return i2c_probe(adap, &addr_data, tda9887_attach);
- break;
+ if (t->tda9887_config & TDA9887_PORT1_ACTIVE)
+ buf[1] &= ~cOutputPort1Inactive;
+ if (t->tda9887_config & TDA9887_PORT1_INACTIVE)
+ buf[1] |= cOutputPort1Inactive;
+ if (t->tda9887_config & TDA9887_PORT2_ACTIVE)
+ buf[1] &= ~cOutputPort2Inactive;
+ if (t->tda9887_config & TDA9887_PORT2_INACTIVE)
+ buf[1] |= cOutputPort2Inactive;
+
+ if (t->tda9887_config & TDA9887_QSS)
+ buf[1] |= cQSS;
+ if (t->tda9887_config & TDA9887_INTERCARRIER)
+ buf[1] &= ~cQSS;
+
+ if (t->tda9887_config & TDA9887_AUTOMUTE)
+ buf[1] |= cAutoMuteFmActive;
+ if (t->tda9887_config & TDA9887_DEEMPHASIS_MASK) {
+ buf[2] &= ~0x60;
+ switch (t->tda9887_config & TDA9887_DEEMPHASIS_MASK) {
+ case TDA9887_DEEMPHASIS_NONE:
+ buf[2] |= cDeemphasisOFF;
+ break;
+ case TDA9887_DEEMPHASIS_50:
+ buf[2] |= cDeemphasisON | cDeemphasis50;
+ break;
+ case TDA9887_DEEMPHASIS_75:
+ buf[2] |= cDeemphasisON | cDeemphasis75;
+ break;
+ }
+ }
+ if (t->tda9887_config & TDA9887_TOP_SET) {
+ buf[2] &= ~cTopMask;
+ buf[2] |= (t->tda9887_config >> 8) & cTopMask;
+ }
+ if ((t->tda9887_config & TDA9887_INTERCARRIER_NTSC) && (t->std & V4L2_STD_NTSC))
+ buf[1] &= ~cQSS;
+ if (t->tda9887_config & TDA9887_GATING_18)
+ buf[3] &= ~cGating_36;
+
+ if (t->tda9887_config & TDA9887_GAIN_NORMAL) {
+ radio_stereo.e &= ~cTunerGainLow;
+ radio_mono.e &= ~cTunerGainLow;
}
-#endif
+
return 0;
}
-static int tda9887_detach(struct i2c_client *client)
+/* ---------------------------------------------------------------------- */
+
+static int tda9887_status(struct tuner *t)
{
- struct tda9887 *t = i2c_get_clientdata(client);
+ unsigned char buf[1];
+ int rc;
- i2c_detach_client(client);
- kfree(t);
+ memset(buf,0,sizeof(buf));
+ if (1 != (rc = i2c_master_recv(&t->i2c,buf,1)))
+ tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc);
+ dump_read_message(t, buf);
return 0;
}
-static int
-tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static void tda9887_configure(struct i2c_client *client)
{
- struct tda9887 *t = i2c_get_clientdata(client);
+ struct tuner *t = i2c_get_clientdata(client);
+ int rc;
- switch (cmd) {
+ memset(t->tda9887_data,0,sizeof(t->tda9887_data));
+ tda9887_set_tvnorm(t,t->tda9887_data);
+
+ /* A note on the port settings:
+ These settings tend to depend on the specifics of the board.
+ By default they are set to inactive (bit value 1) by this driver,
+ overwriting any changes made by the tvnorm. This means that it
+ is the responsibility of the module using the tda9887 to set
+ these values in case of changes in the tvnorm.
+ In many cases port 2 should be made active (0) when selecting
+ SECAM-L, and port 2 should remain inactive (1) for SECAM-L'.
+
+ For the other standards the tda9887 application note says that
+ the ports should be set to active (0), but, again, that may
+ differ depending on the precise hardware configuration.
+ */
+ t->tda9887_data[1] |= cOutputPort1Inactive;
+ t->tda9887_data[1] |= cOutputPort2Inactive;
+
+ tda9887_set_config(t,t->tda9887_data);
+ tda9887_set_insmod(t,t->tda9887_data);
+
+ if (t->mode == T_STANDBY) {
+ t->tda9887_data[1] |= cForcedMuteAudioON;
+ }
- /* --- 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;
+ tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
+ t->tda9887_data[1],t->tda9887_data[2],t->tda9887_data[3]);
+ if (tuner_debug > 1)
+ dump_write_message(t, t->tda9887_data);
- t->pinnacle_id = *i;
- tda9887_miro(t);
- break;
- }
- /* --- v4l ioctls --- */
- /* take care: bttv does userspace copying, we'll get a
- kernel pointer here... */
- case VIDIOCSCHAN:
- {
- struct video_channel *vc = arg;
+ if (4 != (rc = i2c_master_send(&t->i2c,t->tda9887_data,4)))
+ tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc);
- t->radio = 0;
- t->tvnorm = vc->norm;
- if (-1 != t->pinnacle_id)
- tda9887_miro(t);
- else
- tda9887_configure(t);
- break;
+ if (tuner_debug > 2) {
+ msleep_interruptible(1000);
+ tda9887_status(t);
}
- default:
- /* nothing */
- break;
- }
- 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,
-};
-static struct i2c_client client_template =
+static void tda9887_tuner_status(struct i2c_client *client)
{
- I2C_DEVNAME("tda9887"),
- .flags = I2C_CLIENT_ALLOW_USE,
- .driver = &driver,
-};
+ struct tuner *t = i2c_get_clientdata(client);
+ tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", t->tda9887_data[1], t->tda9887_data[2], t->tda9887_data[3]);
+}
-static int tda9887_init_module(void)
+static int tda9887_get_afc(struct i2c_client *client)
{
- i2c_add_driver(&driver);
- return 0;
+ struct tuner *t = i2c_get_clientdata(client);
+ static int AFC_BITS_2_kHz[] = {
+ -12500, -37500, -62500, -97500,
+ -112500, -137500, -162500, -187500,
+ 187500, 162500, 137500, 112500,
+ 97500 , 62500, 37500 , 12500
+ };
+ int afc=0;
+ __u8 reg = 0;
+
+ if (1 == i2c_master_recv(&t->i2c,®,1))
+ afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
+
+ return afc;
+}
+
+static void tda9887_standby(struct i2c_client *client)
+{
+ tda9887_configure(client);
}
-static void tda9887_cleanup_module(void)
+static void tda9887_set_freq(struct i2c_client *client, unsigned int freq)
{
- i2c_del_driver(&driver);
+ tda9887_configure(client);
}
-module_init(tda9887_init_module);
-module_exit(tda9887_cleanup_module);
+int tda9887_tuner_init(struct i2c_client *c)
+{
+ struct tuner *t = i2c_get_clientdata(c);
+
+ strlcpy(c->name, "tda9887", sizeof(c->name));
+
+ tda9887_info("tda988[5/6/7] found @ 0x%x (%s)\n", t->i2c.addr,
+ t->i2c.driver->driver.name);
+
+ t->set_tv_freq = tda9887_set_freq;
+ t->set_radio_freq = tda9887_set_freq;
+ t->standby = tda9887_standby;
+ t->tuner_status = tda9887_tuner_status;
+ t->get_afc = tda9887_get_afc;
+
+ return 0;
+}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
git://git.onelab.eu / linux-2.6.git / blobdiff