diff options
| -rw-r--r-- | Documentation/video4linux/CARDLIST.tuner | 1 | ||||
| -rw-r--r-- | drivers/media/video/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/media/video/Makefile | 4 | ||||
| -rw-r--r-- | drivers/media/video/tea5761.c | 239 | ||||
| -rw-r--r-- | drivers/media/video/tuner-core.c | 26 | ||||
| -rw-r--r-- | drivers/media/video/tuner-types.c | 4 | ||||
| -rw-r--r-- | include/media/tuner.h | 8 |
7 files changed, 289 insertions, 1 deletions
diff --git a/Documentation/video4linux/CARDLIST.tuner b/Documentation/video4linux/CARDLIST.tuner index 44134f0..9b02dbb 100644 --- a/Documentation/video4linux/CARDLIST.tuner +++ b/Documentation/video4linux/CARDLIST.tuner @@ -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 diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 4d45a40..bb072ab 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -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 diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 9c2de50..3202e87 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -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 diff --git a/drivers/media/video/tea5761.c b/drivers/media/video/tea5761.c new file mode 100644 index 0000000..4d2d3ef --- /dev/null +++ b/drivers/media/video/tea5761.c @@ -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); +} diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 505591a..591ca9c 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -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: diff --git a/drivers/media/video/tuner-types.c b/drivers/media/video/tuner-types.c index 74c3e6f..03849a1 100644 --- a/drivers/media/video/tuner-types.c +++ b/drivers/media/video/tuner-types.c @@ -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); diff --git a/include/media/tuner.h b/include/media/tuner.h index 6dcf3c4..7861bab 100644 --- a/include/media/tuner.h +++ b/include/media/tuner.h @@ -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) |
