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V4L/DVB (5563a): Add experimental support for tea5761 tuner

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This driver were made based on tea5761 specs.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2007-04-08 01:09:11 -03:00
parent 8b4a40809e
commit 8573a9e6a8
7 changed files with 289 additions and 1 deletions
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1
Documentation/video4linux/CARDLIST.tuner
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@ -72,3 +72,4 @@ tuner=70 - Samsung TCPN 2121P30A
tuner=71 - Xceive xc3028
tuner=72 - Thomson FE6600
tuner=73 - Samsung TCPG 6121P30A
tuner=75 - Philips TEA5761 FM Radio

8
drivers/media/video/Kconfig
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@ -489,6 +489,14 @@ config TUNER_3036
Say Y here to include support for Philips SAB3036 compatible tuners.
If in doubt, say N.
config TUNER_TEA5761
tristate "TEA 5761 radio tuner (EXPERIMENTAL)"
depends on I2C
select VIDEO_TUNER
help
Say Y here to include support for Philips TEA5761 radio tuner.
If in doubt, say N.
config VIDEO_VINO
tristate "SGI Vino Video For Linux (EXPERIMENTAL)"
depends on I2C && SGI_IP22 && EXPERIMENTAL && VIDEO_V4L2

4
drivers/media/video/Makefile
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@ -7,6 +7,10 @@ zr36067-objs := zoran_procfs.o zoran_device.o \
tuner-objs := tuner-core.o tuner-types.o tuner-simple.o \
mt20xx.o tda8290.o tea5767.o tda9887.o
ifneq ($(CONFIG_TUNER_TEA5761),n)
tuner-objs += tea5761.o
endif
msp3400-objs := msp3400-driver.o msp3400-kthreads.o
obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o compat_ioctl32.o

239
drivers/media/video/tea5761.c Normal file
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@ -0,0 +1,239 @@
/*
* For Philips TEA5761 FM Chip
* I2C address is allways 0x20 (0x10 at 7-bit mode).
*
* Copyright (c) 2005-2007 Mauro Carvalho Chehab (mchehab@infradead.org)
* This code is placed under the terms of the GNUv2 General Public License
*
*/
#include <linux/i2c.h>
#include <linux/videodev.h>
#include <linux/delay.h>
#include <media/tuner.h>
#include <media/tuner.h>
#define PREFIX "TEA5761 "
/* from tuner-core.c */
extern int tuner_debug;
/*****************************************************************************/
/***************************
* TEA5761HN I2C registers *
***************************/
/* INTREG - Read: bytes 0 and 1 / Write: byte 0 */
/* first byte for reading */
#define TEA5761_INTREG_IFFLAG 0x10
#define TEA5761_INTREG_LEVFLAG 0x8
#define TEA5761_INTREG_FRRFLAG 0x2
#define TEA5761_INTREG_BLFLAG 0x1
/* second byte for reading / byte for writing */
#define TEA5761_INTREG_IFMSK 0x10
#define TEA5761_INTREG_LEVMSK 0x8
#define TEA5761_INTREG_FRMSK 0x2
#define TEA5761_INTREG_BLMSK 0x1
/* FRQSET - Read: bytes 2 and 3 / Write: byte 1 and 2 */
/* First byte */
#define TEA5761_FRQSET_SEARCH_UP 0x80 /* 1=Station search from botton to up */
#define TEA5761_FRQSET_SEARCH_MODE 0x40 /* 1=Search mode */
/* Bits 0-5 for divider MSB */
/* Second byte */
/* Bits 0-7 for divider LSB */
/* TNCTRL - Read: bytes 4 and 5 / Write: Bytes 3 and 4 */
/* first byte */
#define TEA5761_TNCTRL_PUPD_0 0x40 /* Power UP/Power Down MSB */
#define TEA5761_TNCTRL_BLIM 0X20 /* 1= Japan Frequencies, 0= European frequencies */
#define TEA5761_TNCTRL_SWPM 0x10 /* 1= software port is FRRFLAG */
#define TEA5761_TNCTRL_IFCTC 0x08 /* 1= IF count time 15.02 ms, 0= IF count time 2.02 ms */
#define TEA5761_TNCTRL_AFM 0x04
#define TEA5761_TNCTRL_SMUTE 0x02 /* 1= Soft mute */
#define TEA5761_TNCTRL_SNC 0x01
/* second byte */
#define TEA5761_TNCTRL_MU 0x80 /* 1=Hard mute */
#define TEA5761_TNCTRL_SSL_1 0x40
#define TEA5761_TNCTRL_SSL_0 0x20
#define TEA5761_TNCTRL_HLSI 0x10
#define TEA5761_TNCTRL_MST 0x08 /* 1 = mono */
#define TEA5761_TNCTRL_SWP 0x04
#define TEA5761_TNCTRL_DTC 0x02 /* 1 = deemphasis 50 us, 0 = deemphasis 75 us */
#define TEA5761_TNCTRL_AHLSI 0x01
/* FRQCHECK - Read: bytes 6 and 7 */
/* First byte */
/* Bits 0-5 for divider MSB */
/* Second byte */
/* Bits 0-7 for divider LSB */
/* TUNCHECK - Read: bytes 8 and 9 */
/* First byte */
#define TEA5761_TUNCHECK_IF_MASK 0x7e /* IF count */
#define TEA5761_TUNCHECK_TUNTO 0x01
/* Second byte */
#define TEA5761_TUNCHECK_LEV_MASK 0xf0 /* Level Count */
#define TEA5761_TUNCHECK_LD 0x08
#define TEA5761_TUNCHECK_STEREO 0x04
/* TESTREG - Read: bytes 10 and 11 / Write: bytes 5 and 6 */
/* All zero = no test mode */
/* MANID - Read: bytes 12 and 13 */
/* First byte - should be 0x10 */
#define TEA5767_MANID_VERSION_MASK 0xf0 /* Version = 1 */
#define TEA5767_MANID_ID_MSB_MASK 0x0f /* Manufacurer ID - should be 0 */
/* Second byte - Should be 0x2b */
#define TEA5767_MANID_ID_LSB_MASK 0xfe /* Manufacturer ID - should be 0x15 */
#define TEA5767_MANID_IDAV 0x01 /* 1 = Chip has ID, 0 = Chip has no ID */
/* Chip ID - Read: bytes 14 and 15 */
/* First byte - should be 0x57 */
/* Second byte - should be 0x61 */
/*****************************************************************************/
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
tuner_warn("This tuner doesn't support TV freq.\n");
}
#define FREQ_OFFSET 0 /* for TEA5767, it is 700 to give the right freq */
static void tea5761_status_dump(unsigned char *buffer)
{
unsigned int div, frq;
div = ((buffer[2] & 0x3f) << 8) | buffer[3];
frq = 1000 * (div * 32768 / 1000 + FREQ_OFFSET + 225) / 4; /* Freq in KHz */
printk(PREFIX "Frequency %d.%03d KHz (divider = 0x%04x)\n",
frq / 1000, frq % 1000, div);
}
/* Freq should be specifyed at 62.5 Hz */
static void set_radio_freq(struct i2c_client *c, unsigned int frq)
{
struct tuner *t = i2c_get_clientdata(c);
unsigned char buffer[7] = {0, 0, 0, 0, 0, 0, 0 };
unsigned div;
int rc;
tuner_dbg (PREFIX "radio freq counter %d\n", frq);
if (t->mode == T_STANDBY) {
tuner_dbg("TEA5761 set to standby mode\n");
buffer[5] |= TEA5761_TNCTRL_MU;
} else {
buffer[4] |= TEA5761_TNCTRL_PUPD_0;
}
if (t->audmode == V4L2_TUNER_MODE_MONO) {
tuner_dbg("TEA5761 set to mono\n");
buffer[5] |= TEA5761_TNCTRL_MST;
;
} else {
tuner_dbg("TEA5761 set to stereo\n");
}
div = (1000 * (frq * 4 / 16 + 700 + 225) ) >> 15;
buffer[1] = (div >> 8) & 0x3f;
buffer[2] = div & 0xff;
if (tuner_debug)
tea5761_status_dump(buffer);
if (7 != (rc = i2c_master_send(c, buffer, 7)))
tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
}
static int tea5761_signal(struct i2c_client *c)
{
unsigned char buffer[16];
int rc;
struct tuner *t = i2c_get_clientdata(c);
memset(buffer, 0, sizeof(buffer));
if (16 != (rc = i2c_master_recv(c, buffer, 16)))
tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
return ((buffer[9] & TEA5761_TUNCHECK_LEV_MASK) << (13 - 4));
}
static int tea5761_stereo(struct i2c_client *c)
{
unsigned char buffer[16];
int rc;
struct tuner *t = i2c_get_clientdata(c);
memset(buffer, 0, sizeof(buffer));
if (16 != (rc = i2c_master_recv(c, buffer, 16)))
tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
rc = buffer[9] & TEA5761_TUNCHECK_STEREO;
tuner_dbg("TEA5761 radio ST GET = %02x\n", rc);
return (rc ? V4L2_TUNER_SUB_STEREO : 0);
}
int tea5761_autodetection(struct i2c_client *c)
{
unsigned char buffer[16];
int rc;
struct tuner *t = i2c_get_clientdata(c);
if (16 != (rc = i2c_master_recv(c, buffer, 16))) {
tuner_warn("it is not a TEA5761. Received %i chars.\n", rc);
return EINVAL;
}
if (!((buffer[13] != 0x2b) || (buffer[14] != 0x57) || (buffer[15] != 0x061))) {
tuner_warn("Manufacturer ID= 0x%02x, Chip ID = %02x%02x. It is not a TEA5761\n",buffer[13],buffer[14],buffer[15]);
return EINVAL;
}
tuner_warn("TEA5761 detected.\n");
return 0;
}
int tea5761_tuner_init(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
if (tea5761_autodetection(c) == EINVAL)
return EINVAL;
tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5761HN FM Radio");
strlcpy(c->name, "tea5761", sizeof(c->name));
t->set_tv_freq = set_tv_freq;
t->set_radio_freq = set_radio_freq;
t->has_signal = tea5761_signal;
t->is_stereo = tea5761_stereo;
return (0);
}

26
drivers/media/video/tuner-core.c
View File

@ -25,6 +25,9 @@
/* standard i2c insmod options */
static unsigned short normal_i2c[] = {
#ifdef CONFIG_TUNER_5761
0x10,
#endif
0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
@ -189,6 +192,16 @@ static void set_type(struct i2c_client *c, unsigned int type,
}
t->mode_mask = T_RADIO;
break;
#ifdef CONFIG_TUNER_5761
case TUNER_TEA5761:
if (tea5761_tuner_init(c) == EINVAL) {
t->type = TUNER_ABSENT;
t->mode_mask = T_UNINITIALIZED;
return -ENODEV;
}
t->mode_mask = T_RADIO;
break;
#endif
case TUNER_PHILIPS_FMD1216ME_MK3:
buffer[0] = 0x0b;
buffer[1] = 0xdc;
@ -460,6 +473,19 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
/* autodetection code based on the i2c addr */
if (!no_autodetect) {
switch (addr) {
#ifdef CONFIG_TUNER_5761
case 0x10:
if (tea5761_autodetection(&t->i2c) != EINVAL) {
t->type = TUNER_TEA5761;
t->mode_mask = T_RADIO;
t->mode = T_STANDBY;
t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
default_mode_mask &= ~T_RADIO;
goto register_client;
}
break;
#endif
case 0x42:
case 0x43:
case 0x4a:

4
drivers/media/video/tuner-types.c
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@ -1463,6 +1463,10 @@ struct tunertype tuners[] = {
.name = "Philips TDA988[5,6,7] IF PLL Demodulator",
/* see tda9887.c for details */
},
[TUNER_TEA5761] = { /* Philips RADIO */
.name = "Philips TEA5761 FM Radio",
/* see tea5767.c for details */
},
};
unsigned const int tuner_count = ARRAY_SIZE(tuners);

8
include/media/tuner.h
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@ -124,6 +124,7 @@ extern int tuner_debug;
#define TUNER_THOMSON_FE6600 72 /* DViCO FusionHDTV DVB-T Hybrid */
#define TUNER_SAMSUNG_TCPG_6121P30A 73 /* Hauppauge PVR-500 PAL */
#define TUNER_TDA9887 74 /* This tuner should be used only internally */
#define TUNER_TEA5761 75 /* Only FM Radio Tuner */
/* tv card specific */
#define TDA9887_PRESENT (1<<0)
@ -233,11 +234,16 @@ extern int microtune_init(struct i2c_client *c);
extern int xc3028_init(struct i2c_client *c);
extern int tda8290_init(struct i2c_client *c);
extern int tda8290_probe(struct i2c_client *c);
extern int tea5767_tuner_init(struct i2c_client *c);
extern int default_tuner_init(struct i2c_client *c);
extern int tea5767_autodetection(struct i2c_client *c);
extern int tea5767_tuner_init(struct i2c_client *c);
extern int tda9887_tuner_init(struct i2c_client *c);
extern int tea5761_tuner_init(struct i2c_client *c);
extern int tea5761_autodetection(struct i2c_client *c);
#define tuner_warn(fmt, arg...) do {\
printk(KERN_WARNING "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \
i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)