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V4L/DVB (12552): FM TX: si4713: Add files to handle si4713 i2c device

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This patch adds files to control si4713 devices.
Internal functions to control device properties
and initialization procedures are into these files.
Also, a v4l2 subdev interface is also exported.
This way other drivers can use this as v4l2 i2c subdevice.

Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Eduardo Valentin 2009-08-08 08:46:53 -03:00 committed by Mauro Carvalho Chehab
parent 1fd2121c08
commit 02bee89e79
3 changed files with 2353 additions and 0 deletions
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2067
drivers/media/radio/si4713-i2c.c Normal file
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237
drivers/media/radio/si4713-i2c.h Normal file
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/*
* drivers/media/radio/si4713-i2c.h
*
* Property and commands definitions for Si4713 radio transmitter chip.
*
* Copyright (c) 2008 Instituto Nokia de Tecnologia - INdT
* Contact: Eduardo Valentin <eduardo.valentin@nokia.com>
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*
*/
#ifndef SI4713_I2C_H
#define SI4713_I2C_H
#include <media/v4l2-subdev.h>
#include <media/si4713.h>
#define SI4713_PRODUCT_NUMBER 0x0D
/* Command Timeouts */
#define DEFAULT_TIMEOUT 500
#define TIMEOUT_SET_PROPERTY 20
#define TIMEOUT_TX_TUNE_POWER 30000
#define TIMEOUT_TX_TUNE 110000
#define TIMEOUT_POWER_UP 200000
/*
* Command and its arguments definitions
*/
#define SI4713_PWUP_CTSIEN (1<<7)
#define SI4713_PWUP_GPO2OEN (1<<6)
#define SI4713_PWUP_PATCH (1<<5)
#define SI4713_PWUP_XOSCEN (1<<4)
#define SI4713_PWUP_FUNC_TX 0x02
#define SI4713_PWUP_FUNC_PATCH 0x0F
#define SI4713_PWUP_OPMOD_ANALOG 0x50
#define SI4713_PWUP_OPMOD_DIGITAL 0x0F
#define SI4713_PWUP_NARGS 2
#define SI4713_PWUP_NRESP 1
#define SI4713_CMD_POWER_UP 0x01
#define SI4713_GETREV_NRESP 9
#define SI4713_CMD_GET_REV 0x10
#define SI4713_PWDN_NRESP 1
#define SI4713_CMD_POWER_DOWN 0x11
#define SI4713_SET_PROP_NARGS 5
#define SI4713_SET_PROP_NRESP 1
#define SI4713_CMD_SET_PROPERTY 0x12
#define SI4713_GET_PROP_NARGS 3
#define SI4713_GET_PROP_NRESP 4
#define SI4713_CMD_GET_PROPERTY 0x13
#define SI4713_GET_STATUS_NRESP 1
#define SI4713_CMD_GET_INT_STATUS 0x14
#define SI4713_CMD_PATCH_ARGS 0x15
#define SI4713_CMD_PATCH_DATA 0x16
#define SI4713_MAX_FREQ 10800
#define SI4713_MIN_FREQ 7600
#define SI4713_TXFREQ_NARGS 3
#define SI4713_TXFREQ_NRESP 1
#define SI4713_CMD_TX_TUNE_FREQ 0x30
#define SI4713_MAX_POWER 120
#define SI4713_MIN_POWER 88
#define SI4713_MAX_ANTCAP 191
#define SI4713_MIN_ANTCAP 0
#define SI4713_TXPWR_NARGS 4
#define SI4713_TXPWR_NRESP 1
#define SI4713_CMD_TX_TUNE_POWER 0x31
#define SI4713_TXMEA_NARGS 4
#define SI4713_TXMEA_NRESP 1
#define SI4713_CMD_TX_TUNE_MEASURE 0x32
#define SI4713_INTACK_MASK 0x01
#define SI4713_TXSTATUS_NARGS 1
#define SI4713_TXSTATUS_NRESP 8
#define SI4713_CMD_TX_TUNE_STATUS 0x33
#define SI4713_OVERMOD_BIT (1 << 2)
#define SI4713_IALH_BIT (1 << 1)
#define SI4713_IALL_BIT (1 << 0)
#define SI4713_ASQSTATUS_NARGS 1
#define SI4713_ASQSTATUS_NRESP 5
#define SI4713_CMD_TX_ASQ_STATUS 0x34
#define SI4713_RDSBUFF_MODE_MASK 0x87
#define SI4713_RDSBUFF_NARGS 7
#define SI4713_RDSBUFF_NRESP 6
#define SI4713_CMD_TX_RDS_BUFF 0x35
#define SI4713_RDSPS_PSID_MASK 0x1F
#define SI4713_RDSPS_NARGS 5
#define SI4713_RDSPS_NRESP 1
#define SI4713_CMD_TX_RDS_PS 0x36
#define SI4713_CMD_GPO_CTL 0x80
#define SI4713_CMD_GPO_SET 0x81
/*
* Bits from status response
*/
#define SI4713_CTS (1<<7)
#define SI4713_ERR (1<<6)
#define SI4713_RDS_INT (1<<2)
#define SI4713_ASQ_INT (1<<1)
#define SI4713_STC_INT (1<<0)
/*
* Property definitions
*/
#define SI4713_GPO_IEN 0x0001
#define SI4713_DIG_INPUT_FORMAT 0x0101
#define SI4713_DIG_INPUT_SAMPLE_RATE 0x0103
#define SI4713_REFCLK_FREQ 0x0201
#define SI4713_REFCLK_PRESCALE 0x0202
#define SI4713_TX_COMPONENT_ENABLE 0x2100
#define SI4713_TX_AUDIO_DEVIATION 0x2101
#define SI4713_TX_PILOT_DEVIATION 0x2102
#define SI4713_TX_RDS_DEVIATION 0x2103
#define SI4713_TX_LINE_INPUT_LEVEL 0x2104
#define SI4713_TX_LINE_INPUT_MUTE 0x2105
#define SI4713_TX_PREEMPHASIS 0x2106
#define SI4713_TX_PILOT_FREQUENCY 0x2107
#define SI4713_TX_ACOMP_ENABLE 0x2200
#define SI4713_TX_ACOMP_THRESHOLD 0x2201
#define SI4713_TX_ACOMP_ATTACK_TIME 0x2202
#define SI4713_TX_ACOMP_RELEASE_TIME 0x2203
#define SI4713_TX_ACOMP_GAIN 0x2204
#define SI4713_TX_LIMITER_RELEASE_TIME 0x2205
#define SI4713_TX_ASQ_INTERRUPT_SOURCE 0x2300
#define SI4713_TX_ASQ_LEVEL_LOW 0x2301
#define SI4713_TX_ASQ_DURATION_LOW 0x2302
#define SI4713_TX_ASQ_LEVEL_HIGH 0x2303
#define SI4713_TX_ASQ_DURATION_HIGH 0x2304
#define SI4713_TX_RDS_INTERRUPT_SOURCE 0x2C00
#define SI4713_TX_RDS_PI 0x2C01
#define SI4713_TX_RDS_PS_MIX 0x2C02
#define SI4713_TX_RDS_PS_MISC 0x2C03
#define SI4713_TX_RDS_PS_REPEAT_COUNT 0x2C04
#define SI4713_TX_RDS_PS_MESSAGE_COUNT 0x2C05
#define SI4713_TX_RDS_PS_AF 0x2C06
#define SI4713_TX_RDS_FIFO_SIZE 0x2C07
#define PREEMPHASIS_USA 75
#define PREEMPHASIS_EU 50
#define PREEMPHASIS_DISABLED 0
#define FMPE_USA 0x00
#define FMPE_EU 0x01
#define FMPE_DISABLED 0x02
#define POWER_UP 0x01
#define POWER_DOWN 0x00
struct rds_info {
u32 pi;
#define MAX_RDS_PTY 31
u32 pty;
#define MAX_RDS_DEVIATION 90000
u32 deviation;
/*
* PSNAME is known to be defined as 8 character sized (RDS Spec).
* However, there is receivers which scroll PSNAME 8xN sized.
*/
#define MAX_RDS_PS_NAME 96
u8 ps_name[MAX_RDS_PS_NAME + 1];
/*
* MAX_RDS_RADIO_TEXT is known to be defined as 32 (2A group) or 64 (2B group)
* character sized (RDS Spec).
* However, there is receivers which scroll them as well.
*/
#define MAX_RDS_RADIO_TEXT 384
u8 radio_text[MAX_RDS_RADIO_TEXT + 1];
u32 enabled;
};
struct limiter_info {
#define MAX_LIMITER_RELEASE_TIME 102390
u32 release_time;
#define MAX_LIMITER_DEVIATION 90000
u32 deviation;
u32 enabled;
};
struct pilot_info {
#define MAX_PILOT_DEVIATION 90000
u32 deviation;
#define MAX_PILOT_FREQUENCY 19000
u32 frequency;
u32 enabled;
};
struct acomp_info {
#define MAX_ACOMP_RELEASE_TIME 1000000
u32 release_time;
#define MAX_ACOMP_ATTACK_TIME 5000
u32 attack_time;
#define MAX_ACOMP_THRESHOLD 0
#define MIN_ACOMP_THRESHOLD (-40)
s32 threshold;
#define MAX_ACOMP_GAIN 20
u32 gain;
u32 enabled;
};
/*
* si4713_device - private data
*/
struct si4713_device {
/* v4l2_subdev and i2c reference (v4l2_subdev priv data) */
struct v4l2_subdev sd;
/* private data structures */
struct mutex mutex;
struct completion work;
struct si4713_platform_data *platform_data;
struct rds_info rds_info;
struct limiter_info limiter_info;
struct pilot_info pilot_info;
struct acomp_info acomp_info;
u32 frequency;
u32 preemphasis;
u32 mute;
u32 power_level;
u32 power_state;
u32 antenna_capacitor;
u32 stereo;
u32 tune_rnl;
};
#endif /* ifndef SI4713_I2C_H */

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/*
* include/media/si4713.h
*
* Board related data definitions for Si4713 i2c device driver.
*
* Copyright (c) 2009 Nokia Corporation
* Contact: Eduardo Valentin <eduardo.valentin@nokia.com>
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*
*/
#ifndef SI4713_H
#define SI4713_H
/* The SI4713 I2C sensor chip has a fixed slave address of 0xc6 or 0x22. */
#define SI4713_I2C_ADDR_BUSEN_HIGH 0x63
#define SI4713_I2C_ADDR_BUSEN_LOW 0x11
/*
* Platform dependent definition
*/
struct si4713_platform_data {
/* Set power state, zero is off, non-zero is on. */
int (*set_power)(int power);
};
/*
* Structure to query for Received Noise Level (RNL).
*/
struct si4713_rnl {
__u32 index; /* modulator index */
__u32 frequency; /* frequency to peform rnl measurement */
__s32 rnl; /* result of measurement in dBuV */
__u32 reserved[4]; /* drivers and apps must init this to 0 */
};
/*
* This is the ioctl number to query for rnl. Users must pass a
* struct si4713_rnl pointer specifying desired frequency in 'frequency' field
* following driver capabilities (i.e V4L2_TUNER_CAP_LOW).
* Driver must return measured value in the same struture, filling 'rnl' field.
*/
#define SI4713_IOC_MEASURE_RNL _IOWR('V', BASE_VIDIOC_PRIVATE + 0, \
struct si4713_rnl)
#endif /* ifndef SI4713_H*/