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path: root/drivers/media/video/tda9887.c
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Diffstat (limited to 'drivers/media/video/tda9887.c')
-rw-r--r--drivers/media/video/tda9887.c605
1 files changed, 0 insertions, 605 deletions
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
deleted file mode 100644
index 8dab481d384..00000000000
--- a/drivers/media/video/tda9887.c
+++ /dev/null
@@ -1,605 +0,0 @@
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/i2c.h>
-#include <linux/types.h>
-#include <linux/videodev.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>
-
-
-/* Chips:
- TDA9885 (PAL, NTSC)
- TDA9886 (PAL, SECAM, NTSC)
- TDA9887 (PAL, SECAM, NTSC, FM Radio)
-
- Used as part of several tuners
-*/
-
-#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 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 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 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 ),
- }
-};
-
-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 tuner *t, unsigned char *buf)
-{
- 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");
-}
-
-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");
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tda9887_set_tvnorm(struct tuner *t, char *buf)
-{
- struct tvnorm *norm = NULL;
- int i;
-
- 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;
- }
-
- 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_set_insmod(struct tuner *t, char *buf)
-{
- 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_set_config(struct tuner *t, char *buf)
-{
- 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;
- return 0;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tda9887_status(struct tuner *t)
-{
- unsigned char buf[1];
- int rc;
-
- 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 void tda9887_configure(struct i2c_client *client)
-{
- struct tuner *t = i2c_get_clientdata(client);
- int rc;
-
- 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;
- }
-
- 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);
-
- 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);
-
- if (tuner_debug > 2) {
- msleep_interruptible(1000);
- tda9887_status(t);
- }
-}
-
-/* ---------------------------------------------------------------------- */
-
-static void tda9887_tuner_status(struct i2c_client *client)
-{
- 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_get_afc(struct i2c_client *client)
-{
- 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,&reg,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_set_freq(struct i2c_client *client, unsigned int freq)
-{
- tda9887_configure(client);
-}
-
-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.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-21 05:14:06 +0000