| #include <linux/module.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 <linux/videodev2.h> |
| #include <media/v4l2-common.h> |
| #include <media/tuner.h> |
| #include "tuner-i2c.h" |
| #include "tda9887.h" |
| |
| |
| /* Chips: |
| TDA9885 (PAL, NTSC) |
| TDA9886 (PAL, SECAM, NTSC) |
| TDA9887 (PAL, SECAM, NTSC, FM Radio) |
| |
| Used as part of several tuners |
| */ |
| |
| static int debug; |
| module_param(debug, int, 0644); |
| MODULE_PARM_DESC(debug, "enable verbose debug messages"); |
| |
| static DEFINE_MUTEX(tda9887_list_mutex); |
| static LIST_HEAD(hybrid_tuner_instance_list); |
| |
| struct tda9887_priv { |
| struct tuner_i2c_props i2c_props; |
| struct list_head hybrid_tuner_instance_list; |
| |
| unsigned char data[4]; |
| unsigned int config; |
| unsigned int mode; |
| unsigned int audmode; |
| v4l2_std_id std; |
| }; |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| #define UNSET (-1U) |
| |
| struct tvnorm { |
| v4l2_std_id std; |
| char *name; |
| unsigned char b; |
| unsigned char c; |
| unsigned char e; |
| }; |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| // |
| // TDA defines |
| // |
| |
| //// first reg (b) |
| #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 (c) |
| #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 |
| |
| #define cTopMask 0x1f // bit c0:4 |
| #define cTopDefault 0x10 // bit c0:4 |
| |
| //// 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 cAudioIF_6_5 0x03 // bit e0:1 |
| |
| |
| #define cVideoIFMask 0x1c // bit e2:4 |
| /* Video IF selection in TV Mode (bit B3=0) */ |
| #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 |
| |
| /* IF1 selection in Radio Mode (bit B3=1) */ |
| #define cRadioIF_33_30 0x00 // bit e2,4 (also 0x10,0x14) |
| #define cRadioIF_41_30 0x04 // bit e2,4 |
| |
| /* Output of AFC pin in radio mode when bit E7=1 */ |
| #define cRadioAGC_SIF 0x00 // bit e3 |
| #define cRadioAGC_FM 0x08 // bit e3 |
| |
| #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 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 = ( cNegativeFmTV | |
| cQSS ), |
| .c = ( cTopDefault), |
| .e = ( 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 ), |
| } |
| }; |
| |
| 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 ), |
| }; |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| static void dump_read_message(struct dvb_frontend *fe, unsigned char *buf) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| |
| 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", |
| }; |
| tuner_info("read: 0x%2x\n", buf[0]); |
| tuner_info(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no"); |
| tuner_info(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]); |
| tuner_info(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low"); |
| tuner_info(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out"); |
| tuner_info(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low"); |
| } |
| |
| static void dump_write_message(struct dvb_frontend *fe, unsigned char *buf) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| |
| 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", |
| }; |
| |
| tuner_info("write: byte B 0x%02x\n", buf[1]); |
| tuner_info(" B0 video mode : %s\n", |
| (buf[1] & 0x01) ? "video trap" : "sound trap"); |
| tuner_info(" B1 auto mute fm : %s\n", |
| (buf[1] & 0x02) ? "yes" : "no"); |
| tuner_info(" B2 carrier mode : %s\n", |
| (buf[1] & 0x04) ? "QSS" : "Intercarrier"); |
| tuner_info(" B3-4 tv sound/radio : %s\n", |
| sound[(buf[1] & 0x18) >> 3]); |
| tuner_info(" B5 force mute audio: %s\n", |
| (buf[1] & 0x20) ? "yes" : "no"); |
| tuner_info(" B6 output port 1 : %s\n", |
| (buf[1] & 0x40) ? "high (inactive)" : "low (active)"); |
| tuner_info(" B7 output port 2 : %s\n", |
| (buf[1] & 0x80) ? "high (inactive)" : "low (active)"); |
| |
| tuner_info("write: byte C 0x%02x\n", buf[2]); |
| tuner_info(" C0-4 top adjustment : %s dB\n", |
| adjust[buf[2] & 0x1f]); |
| tuner_info(" C5-6 de-emphasis : %s\n", |
| deemph[(buf[2] & 0x60) >> 5]); |
| tuner_info(" C7 audio gain : %s\n", |
| (buf[2] & 0x80) ? "-6" : "0"); |
| |
| tuner_info("write: byte E 0x%02x\n", buf[3]); |
| tuner_info(" E0-1 sound carrier : %s\n", |
| carrier[(buf[3] & 0x03)]); |
| tuner_info(" E6 l pll gating : %s\n", |
| (buf[3] & 0x40) ? "36" : "13"); |
| |
| if (buf[1] & 0x08) { |
| /* radio */ |
| tuner_info(" E2-4 video if : %s\n", |
| rif[(buf[3] & 0x0c) >> 2]); |
| tuner_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 */ |
| tuner_info(" E2-4 video if : %s\n", |
| vif[(buf[3] & 0x1c) >> 2]); |
| tuner_info(" E5 tuner gain : %s\n", |
| (buf[3] & 0x80) |
| ? ((buf[3] & 0x20) ? "external" : "normal") |
| : ((buf[3] & 0x20) ? "minimum" : "normal")); |
| tuner_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"); |
| } |
| tuner_info("--\n"); |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| static int tda9887_set_tvnorm(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| struct tvnorm *norm = NULL; |
| char *buf = priv->data; |
| int i; |
| |
| if (priv->mode == V4L2_TUNER_RADIO) { |
| if (priv->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 & priv->std) { |
| norm = tvnorms+i; |
| break; |
| } |
| } |
| } |
| if (NULL == norm) { |
| tuner_dbg("Unsupported tvnorm entry - audio muted\n"); |
| return -1; |
| } |
| |
| tuner_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_set_insmod(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| char *buf = priv->data; |
| |
| 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 < 0x20) { |
| buf[2] &= ~cTopMask; |
| buf[2] |= adjust; |
| } |
| return 0; |
| } |
| |
| static int tda9887_do_config(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| char *buf = priv->data; |
| |
| if (priv->config & TDA9887_PORT1_ACTIVE) |
| buf[1] &= ~cOutputPort1Inactive; |
| if (priv->config & TDA9887_PORT1_INACTIVE) |
| buf[1] |= cOutputPort1Inactive; |
| if (priv->config & TDA9887_PORT2_ACTIVE) |
| buf[1] &= ~cOutputPort2Inactive; |
| if (priv->config & TDA9887_PORT2_INACTIVE) |
| buf[1] |= cOutputPort2Inactive; |
| |
| if (priv->config & TDA9887_QSS) |
| buf[1] |= cQSS; |
| if (priv->config & TDA9887_INTERCARRIER) |
| buf[1] &= ~cQSS; |
| |
| if (priv->config & TDA9887_AUTOMUTE) |
| buf[1] |= cAutoMuteFmActive; |
| if (priv->config & TDA9887_DEEMPHASIS_MASK) { |
| buf[2] &= ~0x60; |
| switch (priv->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 (priv->config & TDA9887_TOP_SET) { |
| buf[2] &= ~cTopMask; |
| buf[2] |= (priv->config >> 8) & cTopMask; |
| } |
| if ((priv->config & TDA9887_INTERCARRIER_NTSC) && |
| (priv->std & V4L2_STD_NTSC)) |
| buf[1] &= ~cQSS; |
| if (priv->config & TDA9887_GATING_18) |
| buf[3] &= ~cGating_36; |
| |
| if (priv->mode == V4L2_TUNER_RADIO) { |
| if (priv->config & TDA9887_RIF_41_3) { |
| buf[3] &= ~cVideoIFMask; |
| buf[3] |= cRadioIF_41_30; |
| } |
| if (priv->config & TDA9887_GAIN_NORMAL) |
| buf[3] &= ~cTunerGainLow; |
| } |
| |
| return 0; |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| static int tda9887_status(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| unsigned char buf[1]; |
| int rc; |
| |
| memset(buf,0,sizeof(buf)); |
| if (1 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props,buf,1))) |
| tuner_info("i2c i/o error: rc == %d (should be 1)\n", rc); |
| dump_read_message(fe, buf); |
| return 0; |
| } |
| |
| static void tda9887_configure(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| int rc; |
| |
| memset(priv->data,0,sizeof(priv->data)); |
| tda9887_set_tvnorm(fe); |
| |
| /* 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. |
| */ |
| priv->data[1] |= cOutputPort1Inactive; |
| priv->data[1] |= cOutputPort2Inactive; |
| |
| tda9887_do_config(fe); |
| tda9887_set_insmod(fe); |
| |
| if (priv->mode == T_STANDBY) |
| priv->data[1] |= cForcedMuteAudioON; |
| |
| tuner_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n", |
| priv->data[1], priv->data[2], priv->data[3]); |
| if (debug > 1) |
| dump_write_message(fe, priv->data); |
| |
| if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,priv->data,4))) |
| tuner_info("i2c i/o error: rc == %d (should be 4)\n", rc); |
| |
| if (debug > 2) { |
| msleep_interruptible(1000); |
| tda9887_status(fe); |
| } |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| static void tda9887_tuner_status(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| tuner_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", |
| priv->data[1], priv->data[2], priv->data[3]); |
| } |
| |
| static int tda9887_get_afc(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| 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 == tuner_i2c_xfer_recv(&priv->i2c_props,®,1)) |
| afc = AFC_BITS_2_kHz[(reg>>1)&0x0f]; |
| |
| return afc; |
| } |
| |
| static void tda9887_standby(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| |
| priv->mode = T_STANDBY; |
| |
| tda9887_configure(fe); |
| } |
| |
| static void tda9887_set_params(struct dvb_frontend *fe, |
| struct analog_parameters *params) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| |
| priv->mode = params->mode; |
| priv->audmode = params->audmode; |
| priv->std = params->std; |
| tda9887_configure(fe); |
| } |
| |
| static int tda9887_set_config(struct dvb_frontend *fe, void *priv_cfg) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| |
| priv->config = *(unsigned int *)priv_cfg; |
| tda9887_configure(fe); |
| |
| return 0; |
| } |
| |
| static void tda9887_release(struct dvb_frontend *fe) |
| { |
| struct tda9887_priv *priv = fe->analog_demod_priv; |
| |
| mutex_lock(&tda9887_list_mutex); |
| |
| if (priv) |
| hybrid_tuner_release_state(priv); |
| |
| mutex_unlock(&tda9887_list_mutex); |
| |
| fe->analog_demod_priv = NULL; |
| } |
| |
| static struct analog_demod_ops tda9887_ops = { |
| .info = { |
| .name = "tda9887", |
| }, |
| .set_params = tda9887_set_params, |
| .standby = tda9887_standby, |
| .tuner_status = tda9887_tuner_status, |
| .get_afc = tda9887_get_afc, |
| .release = tda9887_release, |
| .set_config = tda9887_set_config, |
| }; |
| |
| struct dvb_frontend *tda9887_attach(struct dvb_frontend *fe, |
| struct i2c_adapter *i2c_adap, |
| u8 i2c_addr) |
| { |
| struct tda9887_priv *priv = NULL; |
| int instance; |
| |
| mutex_lock(&tda9887_list_mutex); |
| |
| instance = hybrid_tuner_request_state(struct tda9887_priv, priv, |
| hybrid_tuner_instance_list, |
| i2c_adap, i2c_addr, "tda9887"); |
| switch (instance) { |
| case 0: |
| mutex_unlock(&tda9887_list_mutex); |
| return NULL; |
| case 1: |
| fe->analog_demod_priv = priv; |
| priv->mode = T_STANDBY; |
| tuner_info("tda988[5/6/7] found\n"); |
| break; |
| default: |
| fe->analog_demod_priv = priv; |
| break; |
| } |
| |
| mutex_unlock(&tda9887_list_mutex); |
| |
| memcpy(&fe->ops.analog_ops, &tda9887_ops, |
| sizeof(struct analog_demod_ops)); |
| |
| return fe; |
| } |
| EXPORT_SYMBOL_GPL(tda9887_attach); |
| |
| MODULE_LICENSE("GPL"); |
| |
| /* |
| * Overrides for Emacs so that we follow Linus's tabbing style. |
| * --------------------------------------------------------------------------- |
| * Local variables: |
| * c-basic-offset: 8 |
| * End: |
| */ |