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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.c305
1 files changed, 175 insertions, 130 deletions
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index be5387f11afb..106c93b8203f 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -9,7 +9,8 @@
#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <media/tuner.h>
-#include "tuner-driver.h"
+#include "tuner-i2c.h"
+#include "tda9887.h"
/* Chips:
@@ -20,18 +21,20 @@
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)
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable verbose debug messages");
+
+#define PREFIX "tda9887"
struct tda9887_priv {
struct tuner_i2c_props i2c_props;
unsigned char data[4];
+ unsigned int config;
+ unsigned int mode;
+ unsigned int audmode;
+ v4l2_std_id std;
};
/* ---------------------------------------------------------------------- */
@@ -262,8 +265,10 @@ static struct tvnorm radio_mono = {
/* ---------------------------------------------------------------------- */
-static void dump_read_message(struct tuner *t, unsigned char *buf)
+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",
@@ -282,16 +287,18 @@ static void dump_read_message(struct tuner *t, unsigned char *buf)
"+ 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");
+ 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 tuner *t, unsigned char *buf)
+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",
@@ -330,86 +337,90 @@ static void dump_write_message(struct tuner *t, unsigned char *buf)
"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");
+ 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 */
- 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");
+ 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 */
- 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");
+ 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");
}
- tda9887_info("--\n");
+ tuner_info("--\n");
}
/* ---------------------------------------------------------------------- */
-static int tda9887_set_tvnorm(struct tuner *t, char *buf)
+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 (t->mode == V4L2_TUNER_RADIO) {
- if (t->audmode == V4L2_TUNER_MODE_MONO)
+ 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 & t->std) {
+ if (tvnorms[i].std & priv->std) {
norm = tvnorms+i;
break;
}
}
}
if (NULL == norm) {
- tda9887_dbg("Unsupported tvnorm entry - audio muted\n");
+ tuner_dbg("Unsupported tvnorm entry - audio muted\n");
return -1;
}
- tda9887_dbg("configure for: %s\n",norm->name);
+ tuner_dbg("configure for: %s\n", norm->name);
buf[1] = norm->b;
buf[2] = norm->c;
buf[3] = norm->e;
@@ -426,8 +437,11 @@ 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)
+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;
@@ -455,27 +469,30 @@ static int tda9887_set_insmod(struct tuner *t, char *buf)
return 0;
}
-static int tda9887_set_config(struct tuner *t, char *buf)
+static int tda9887_do_config(struct dvb_frontend *fe)
{
- if (t->tda9887_config & TDA9887_PORT1_ACTIVE)
+ struct tda9887_priv *priv = fe->analog_demod_priv;
+ char *buf = priv->data;
+
+ if (priv->config & TDA9887_PORT1_ACTIVE)
buf[1] &= ~cOutputPort1Inactive;
- if (t->tda9887_config & TDA9887_PORT1_INACTIVE)
+ if (priv->config & TDA9887_PORT1_INACTIVE)
buf[1] |= cOutputPort1Inactive;
- if (t->tda9887_config & TDA9887_PORT2_ACTIVE)
+ if (priv->config & TDA9887_PORT2_ACTIVE)
buf[1] &= ~cOutputPort2Inactive;
- if (t->tda9887_config & TDA9887_PORT2_INACTIVE)
+ if (priv->config & TDA9887_PORT2_INACTIVE)
buf[1] |= cOutputPort2Inactive;
- if (t->tda9887_config & TDA9887_QSS)
+ if (priv->config & TDA9887_QSS)
buf[1] |= cQSS;
- if (t->tda9887_config & TDA9887_INTERCARRIER)
+ if (priv->config & TDA9887_INTERCARRIER)
buf[1] &= ~cQSS;
- if (t->tda9887_config & TDA9887_AUTOMUTE)
+ if (priv->config & TDA9887_AUTOMUTE)
buf[1] |= cAutoMuteFmActive;
- if (t->tda9887_config & TDA9887_DEEMPHASIS_MASK) {
+ if (priv->config & TDA9887_DEEMPHASIS_MASK) {
buf[2] &= ~0x60;
- switch (t->tda9887_config & TDA9887_DEEMPHASIS_MASK) {
+ switch (priv->config & TDA9887_DEEMPHASIS_MASK) {
case TDA9887_DEEMPHASIS_NONE:
buf[2] |= cDeemphasisOFF;
break;
@@ -487,21 +504,22 @@ static int tda9887_set_config(struct tuner *t, char *buf)
break;
}
}
- if (t->tda9887_config & TDA9887_TOP_SET) {
+ if (priv->config & TDA9887_TOP_SET) {
buf[2] &= ~cTopMask;
- buf[2] |= (t->tda9887_config >> 8) & cTopMask;
+ buf[2] |= (priv->config >> 8) & cTopMask;
}
- if ((t->tda9887_config & TDA9887_INTERCARRIER_NTSC) && (t->std & V4L2_STD_NTSC))
+ if ((priv->config & TDA9887_INTERCARRIER_NTSC) &&
+ (priv->std & V4L2_STD_NTSC))
buf[1] &= ~cQSS;
- if (t->tda9887_config & TDA9887_GATING_18)
+ if (priv->config & TDA9887_GATING_18)
buf[3] &= ~cGating_36;
- if (t->mode == V4L2_TUNER_RADIO) {
- if (t->tda9887_config & TDA9887_RIF_41_3) {
+ if (priv->mode == V4L2_TUNER_RADIO) {
+ if (priv->config & TDA9887_RIF_41_3) {
buf[3] &= ~cVideoIFMask;
buf[3] |= cRadioIF_41_30;
}
- if (t->tda9887_config & TDA9887_GAIN_NORMAL)
+ if (priv->config & TDA9887_GAIN_NORMAL)
buf[3] &= ~cTunerGainLow;
}
@@ -510,26 +528,26 @@ static int tda9887_set_config(struct tuner *t, char *buf)
/* ---------------------------------------------------------------------- */
-static int tda9887_status(struct tuner *t)
+static int tda9887_status(struct dvb_frontend *fe)
{
- struct tda9887_priv *priv = t->priv;
+ 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)))
- tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc);
- dump_read_message(t, buf);
+ 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 tuner *t)
+static void tda9887_configure(struct dvb_frontend *fe)
{
- struct tda9887_priv *priv = t->priv;
+ struct tda9887_priv *priv = fe->analog_demod_priv;
int rc;
memset(priv->data,0,sizeof(priv->data));
- tda9887_set_tvnorm(t,priv->data);
+ tda9887_set_tvnorm(fe);
/* A note on the port settings:
These settings tend to depend on the specifics of the board.
@@ -547,38 +565,38 @@ static void tda9887_configure(struct tuner *t)
priv->data[1] |= cOutputPort1Inactive;
priv->data[1] |= cOutputPort2Inactive;
- tda9887_set_config(t,priv->data);
- tda9887_set_insmod(t,priv->data);
+ tda9887_do_config(fe);
+ tda9887_set_insmod(fe);
- if (t->mode == T_STANDBY) {
+ if (priv->mode == T_STANDBY)
priv->data[1] |= cForcedMuteAudioON;
- }
- tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
- priv->data[1],priv->data[2],priv->data[3]);
- if (tuner_debug > 1)
- dump_write_message(t, priv->data);
+ 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)))
- tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc);
+ tuner_info("i2c i/o error: rc == %d (should be 4)\n", rc);
- if (tuner_debug > 2) {
+ if (debug > 2) {
msleep_interruptible(1000);
- tda9887_status(t);
+ tda9887_status(fe);
}
}
/* ---------------------------------------------------------------------- */
-static void tda9887_tuner_status(struct tuner *t)
+static void tda9887_tuner_status(struct dvb_frontend *fe)
{
- struct tda9887_priv *priv = t->priv;
- tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", priv->data[1], priv->data[2], priv->data[3]);
+ 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 tuner *t)
+static int tda9887_get_afc(struct dvb_frontend *fe)
{
- struct tda9887_priv *priv = t->priv;
+ struct tda9887_priv *priv = fe->analog_demod_priv;
static int AFC_BITS_2_kHz[] = {
-12500, -37500, -62500, -97500,
-112500, -137500, -162500, -187500,
@@ -594,52 +612,79 @@ static int tda9887_get_afc(struct tuner *t)
return afc;
}
-static void tda9887_standby(struct tuner *t)
+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)
{
- tda9887_configure(t);
+ struct tda9887_priv *priv = fe->analog_demod_priv;
+
+ priv->mode = params->mode;
+ priv->audmode = params->audmode;
+ priv->std = params->std;
+ tda9887_configure(fe);
}
-static void tda9887_set_freq(struct tuner *t, unsigned int freq)
+static int tda9887_set_config(struct dvb_frontend *fe, void *priv_cfg)
{
- tda9887_configure(t);
+ struct tda9887_priv *priv = fe->analog_demod_priv;
+
+ priv->config = *(unsigned int *)priv_cfg;
+ tda9887_configure(fe);
+
+ return 0;
}
-static void tda9887_release(struct tuner *t)
+static void tda9887_release(struct dvb_frontend *fe)
{
- kfree(t->priv);
- t->priv = NULL;
+ kfree(fe->analog_demod_priv);
+ fe->analog_demod_priv = NULL;
}
-static struct tuner_operations tda9887_tuner_ops = {
- .set_tv_freq = tda9887_set_freq,
- .set_radio_freq = tda9887_set_freq,
+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,
};
-int tda9887_tuner_init(struct tuner *t)
+struct dvb_frontend *tda9887_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c_adap,
+ u8 i2c_addr)
{
struct tda9887_priv *priv = NULL;
priv = kzalloc(sizeof(struct tda9887_priv), GFP_KERNEL);
if (priv == NULL)
- return -ENOMEM;
- t->priv = priv;
-
- priv->i2c_props.addr = t->i2c.addr;
- priv->i2c_props.adap = t->i2c.adapter;
+ return NULL;
+ fe->analog_demod_priv = priv;
- strlcpy(t->i2c.name, "tda9887", sizeof(t->i2c.name));
+ priv->i2c_props.addr = i2c_addr;
+ priv->i2c_props.adap = i2c_adap;
+ priv->mode = T_STANDBY;
- tda9887_info("tda988[5/6/7] found @ 0x%x (%s)\n", t->i2c.addr,
- t->i2c.driver->driver.name);
+ tuner_info("tda988[5/6/7] found\n");
- memcpy(&t->ops, &tda9887_tuner_ops, sizeof(struct tuner_operations));
+ memcpy(&fe->ops.analog_ops, &tda9887_ops,
+ sizeof(struct analog_demod_ops));
- return 0;
+ return fe;
}
+EXPORT_SYMBOL_GPL(tda9887_attach);
+
+MODULE_LICENSE("GPL");
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.