diff options
Diffstat (limited to 'drivers/media/radio/si470x/radio-si4705.h')
| -rw-r--r-- | drivers/media/radio/si470x/radio-si4705.h | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/drivers/media/radio/si470x/radio-si4705.h b/drivers/media/radio/si470x/radio-si4705.h new file mode 100644 index 0000000..4ab3e0b --- /dev/null +++ b/drivers/media/radio/si470x/radio-si4705.h @@ -0,0 +1,547 @@ +/* + * drivers/media/radio/si4705/radio-si4705.h + * + * Driver for radios with Silicon Labs Si4705 FM Radio Receivers + * + * Copyright (c) 2009 Tobias Lorenz <tobias.lorenz@gmx.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +/* driver definitions */ +#define DRIVER_NAME "radio-si4705" +#define DRIVER_AUTHOR "NULL"; +#define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 1) +#define DRIVER_CARD "Silicon Labs Si4705 FM Radio Receiver" +#define DRIVER_DESC "I2C radio driver for Si4705 FM Radio Receivers" +#define DRIVER_VERSION "1.0.1" + +/* kernel includes */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/workqueue.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/version.h> +#include <linux/videodev2.h> +#include <linux/mutex.h> +#include <linux/si4705_pdata.h> +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <asm/unaligned.h> + +/************************************************************************** + * Register Definitions + **************************************************************************/ + +/* Power up device and mode selection. */ +#define POWER_UP 0x01 +#define POWER_UP_NARGS 3 +#define POWER_UP_NRESP 1 +#define POWER_UP_IN_FUNC_FMRX 0x00 +#define POWER_UP_IN_FUNC_AMRX 0x01 +#define POWER_UP_IN_FUNC_FMTX 0x02 +#define POWER_UP_IN_FUNC_WBRX 0x03 +#define POWER_UP_IN_FUNC_QUERY 0x0F +#define POWER_UP_IN_PATCH 0x20 +#define POWER_UP_IN_GPO2OEN 0x40 +#define POWER_UP_IN_CTSIEN 0x80 +#define POWER_UP_IN_OPMODE_RX_ANALOG 0x05 +#define POWER_UP_IN_OPMODE_RX_DIGITAL 0xB0 + +/* Returns revision information on the device. */ +#define GET_REV 0x10 +#define GET_REV_NARGS 1 +#define GET_REV_NRESP 9 + +/* Power down device. */ +#define POWER_DOWN 0x11 +#define POWER_DOWN_NARGS 1 +#define POWER_DOWN_NRESP 1 + +/* Sets the value of a property. */ +#define SET_PROPERTY 0x12 +#define SET_PROPERTY_NARGS 6 +#define SET_PROPERTY_NRESP 1 + +/* Retrieves a property¡¯s value. */ +#define GET_PROPERTY 0x13 +#define GET_PROPERTY_NARGS 4 +#define GET_PROPERTY_NRESP 4 + +/* Reads interrupt status bits. */ +#define GET_INT_STATUS 0x14 +#define GET_INT_STATUS_NARGS 1 +#define GET_INT_STATUS_NRESP 1 +#define GET_INT_STATUS_CTS 0x80 +#define GET_INT_STATUS_ERR 0x40 +#define GET_INT_STATUS_RSQINT 0x08 +#define GET_INT_STATUS_RDSINT 0x04 +#define GET_INT_STATUS_STCINT 0x01 +#define GET_INT_STATUS_CTS_SHFT 7 +#define GET_INT_STATUS_ERR_SHFT 6 +#define GET_INT_STATUS_RSQINT_SHFT 3 +#define GET_INT_STATUS_RDSINT_SHFT 2 +#define GET_INT_STATUS_STCINT_SHFT 0 + +/* Reserved command used for patch file downloads. */ +#define PATCH_ARGS 0x15 + +/* Reserved command used for patch file downloads. */ +#define PATCH_DATA 0x16 + +/* Selects the FM tuning frequency. */ +#define FM_TUNE_FREQ 0x20 +#define FM_TUNE_FREQ_NARGS 5 +#define FM_TUNE_FREQ_NRESP 1 + +/* Begins searching for a valid frequency. */ +#define FM_SEEK_START 0x21 +#define FM_SEEK_START_NARGS 2 +#define FM_SEEK_START_NRESP 1 +#define FM_SEEK_START_IN_WRAP 0x04 +#define FM_SEEK_START_IN_SEEKUP 0x08 + +/* Queries the status of previous FM_TUNE_FREQ or FM_SEEK_START command. */ +#define FM_TUNE_STATUS 0x22 +#define FM_TUNE_STATUS_NARGS 2 +#define FM_TUNE_STATUS_NRESP 8 +#define FM_TUNE_STATUS_IN_INTACK 0x01 +#define FM_TUNE_STATUS_IN_CANCEL 0x02 +#define FM_TUNE_STATUS_OUT_VALID 0x01 +#define FM_TUNE_STATUS_OUT_AFCRL 0x02 +#define FM_TUNE_STATUS_OUT_BTLF 0x80 + +/* Queries the status of the Received Signal Quality (RSQ) */ +/* of the current channel. */ +#define FM_RSQ_STATUS 0x23 +#define FM_RSQ_STATUS_NARGS 2 +#define FM_RSQ_STATUS_NRESP 8 +#define FM_RSQ_STATUS_IN_INTACK 0x01 +#define FM_RSQ_STATUS_OUT_RSSILINT 0x01 +#define FM_RSQ_STATUS_OUT_RSSIHINT 0x02 +#define FM_RSQ_STATUS_OUT_ASNRLINT 0x04 +#define FM_RSQ_STATUS_OUT_ASNRHINT 0x08 +#define FM_RSQ_STATUS_OUT_BLENDINT 0x80 +#define FM_RSQ_STATUS_OUT_VALID 0x01 +#define FM_RSQ_STATUS_OUT_AFCRL 0x02 +#define FM_RSQ_STATUS_OUT_SMUTE 0x08 +#define FM_RSQ_STATUS_OUT_PILOT 0x80 +#define FM_RSQ_STATUS_OUT_STBLEND 0x7F + +/* Returns RDS information for current channel */ +/* and reads an entry from RDS FIFO. */ +#define FM_RDS_STATUS 0x24 +#define FM_RDS_STATUS_NARGS 2 +#define FM_RDS_STATUS_NRESP 13 +#define FM_RDS_STATUS_IN_INTACK 0x01 +#define FM_RDS_STATUS_IN_MTFIFO 0x02 +#define FM_RDS_STATUS_OUT_RECV 0x01 +#define FM_RDS_STATUS_OUT_SYNCLOST 0x02 +#define FM_RDS_STATUS_OUT_SYNCFOUND 0x04 +#define FM_RDS_STATUS_OUT_SYNC 0x01 +#define FM_RDS_STATUS_OUT_GRPLOST 0x04 +#define FM_RDS_STATUS_OUT_BLED 0x03 +#define FM_RDS_STATUS_OUT_BLEC 0x0C +#define FM_RDS_STATUS_OUT_BLEB 0x30 +#define FM_RDS_STATUS_OUT_BLEA 0xC0 +#define FM_RDS_STATUS_OUT_BLED_SHFT 0 +#define FM_RDS_STATUS_OUT_BLEC_SHFT 2 +#define FM_RDS_STATUS_OUT_BLEB_SHFT 4 +#define FM_RDS_STATUS_OUT_BLEA_SHFT 6 + +/* Queries the current AGC settings */ +#define FM_AGC_STATUS 0x27 +#define FM_AGC_STATUS_NARGS 1 +#define FM_AGC_STATUS_NRESP 3 +#define FM_AGC_STATUS_RFAGCDIS 0x01 +#define FM_AGC_STATUS_LNAGAINIDX 0x1F + +/* Override AGC setting by disabling and forcing it to a fixed value */ +#define FM_AGC_OVERRIDE 0x28 +#define FM_AGC_OVERRIDE_NARGS 3 +#define FM_AGC_OVERRIDE_NRESP 1 +#define FM_AGC_OVERRIDE_RFAGCDIS 0x01 +#define FM_AGC_OVERRIDE_LNAGAINIDX 0x1F + +/* Configures GPO1, 2, and 3 as output or Hi-Z. */ +#define GPIO_CTL 0x80 +#define GPIO_CTL_NARGS 2 +#define GPIO_CTL_NRESP 1 +#define GPIO_CTL_GPO3OEN 0x08 +#define GPIO_CTL_GPO2OEN 0x04 +#define GPIO_CTL_GPO1OEN 0x02 + +/* Sets GPO1, 2, and 3 output level (low or high) */ +#define GPIO_SET 0x81 +#define GPIO_SET_NARGS 2 +#define GPIO_SET_NRESP 1 +#define GPIO_SET_GPO3LEVEL 0x08 +#define GPIO_SET_GPO2LEVEL 0x04 +#define GPIO_SET_GPO1LEVEL 0x02 + +/* STATUS bits - Used by all methods */ +#define STCINT 0x01 +#define ASQINT 0x02 +#define RDSINT 0x04 +#define RSQINT 0x08 +#define ERR 0x40 +#define CTS 0x80 + +/*================================================================== + General Properties +==================================================================*/ + +/* GPO_IEN */ +#define GPO_IEN 0x0001 +#define GPO_IEN_STCIEN_MASK 0x0001 +#define GPO_IEN_ASQIEN_MASK 0x0002 +#define GPO_IEN_RDSIEN_MASK 0x0004 +#define GPO_IEN_RSQIEN_MASK 0x0008 +#define GPO_IEN_ERRIEN_MASK 0x0040 +#define GPO_IEN_CTSIEN_MASK 0x0080 +#define GPO_IEN_STCREP_MASK 0x0100 +#define GPO_IEN_ASQREP_MASK 0x0200 +#define GPO_IEN_RDSREP_MASK 0x0400 +#define GPO_IEN_RSQREP_MASK 0x0800 +#define GPO_IEN_STCIEN_SHFT 0 +#define GPO_IEN_ASQIEN_SHFT 1 +#define GPO_IEN_RDSIEN_SHFT 2 +#define GPO_IEN_RSQIEN_SHFT 3 +#define GPO_IEN_ERRIEN_SHFT 6 +#define GPO_IEN_CTSIEN_SHFT 7 +#define GPO_IEN_STCREP_SHFT 8 +#define GPO_IEN_ASQREP_SHFT 9 +#define GPO_IEN_RDSREP_SHFT 10 +#define GPO_IEN_RSQREP_SHFT 11 + +/* DIGITAL_INPUT_FORMAT */ +#define DIGITAL_INPUT_FORMAT 0x0101 +#define DIGITAL_INPUT_FORMAT_ISIZE_MASK 0x0003 +#define DIGITAL_INPUT_FORMAT_IMONO_MASK 0x0004 +#define DIGITAL_INPUT_FORMAT_IMODE_MASK 0x0078 +#define DIGITAL_INPUT_FORMAT_IFALL_MASK 0x0080 +#define DIGITAL_INPUT_FORMAT_ISIZE_SHFT 0 +#define DIGITAL_INPUT_FORMAT_IMONO_SHFT 2 +#define DIGITAL_INPUT_FORMAT_IMODE_SHFT 3 +#define DIGITAL_INPUT_FORMAT_IFALL_SHFT 7 + +/* DIGITAL_INPUT_SAMPLE_RATE */ +#define DIGITAL_INPUT_SAMPLE_RATE 0x0103 + +/* DIGITAL_OUTPUT_FORMAT */ +#define DIGITAL_OUTPUT_FORMAT 0x0102 +#define DIGITAL_OUTPUT_FORMAT_OSIZE_MASK 0x0003 +#define DIGITAL_OUTPUT_FORMAT_OMONO_MASK 0x0004 +#define DIGITAL_OUTPUT_FORMAT_OMODE_MASK 0x0078 +#define DIGITAL_OUTPUT_FORMAT_OFALL_MASK 0x0080 +#define DIGITAL_OUTPUT_FORMAT_OSIZE_SHFT 0 +#define DIGITAL_OUTPUT_FORMAT_OMONO_SHFT 2 +#define DIGITAL_OUTPUT_FORMAT_OMODE_SHFT 3 +#define DIGITAL_OUTPUT_FORMAT_OFALL_SHFT 7 + +/* DIGITAL_OUTPUT_SAMPLE_RATE */ +#define DIGITAL_OUTPUT_SAMPLE_RATE 0x0104 + +/* REFCLK_FREQ */ +#define REFCLK_FREQ 0x0201 + +/* REFCLK_PRESCALE */ +#define REFCLK_PRESCALE 0x0202 +#define REFCLK_PRESCALE_MASK 0x0FFF +#define REFCLK_PRESCALE_SHFT 0 + +/*================================================================== + FM Receive Properties +==================================================================*/ + +/* FM_DEEMPHASIS */ +#define FM_DEEMPHASIS 0x1100 +#define FM_DEEMPHASIS_MASK 0x0003 +#define FM_DEEMPHASIS_SHFT 0 + +/* FM_BLEND_STEREO_THRESHOLD */ +#define FM_BLEND_STEREO_THRESHOLD 0x1105 +#define FM_BLEND_STEREO_THRESHOLD_MASK 0x007F +#define FM_BLEND_STEREO_THRESHOLD_SHFT 0 + +/* FM_BLEND_MONO_THRESHOLD */ +#define FM_BLEND_MONO_THRESHOLD 0x1106 +#define FM_BLEND_MONO_THRESHOLD_MASK 0x007F +#define FM_BLEND_MONO_THRESHOLD_SHFT 0 + +/* FM_ANTENNA_INPUT */ +#define FM_ANTENNA_INPUT 0x1107 +#define FM_ANTENNA_INPUT_MASK 0x0001 +#define FM_ANTENNA_INPUT_SHFT 0 + +/* FM_MAX_TUNE_ERROR */ +#define FM_MAX_TUNE_ERROR 0x1108 +#define FM_MAX_TUNE_ERROR_MASK 0x007F +#define FM_MAX_TUNE_ERROR_SHFT 0 + +/* FM_RSQ_INT_SOURCE */ +#define FM_RSQ_INT_SOURCE 0x1200 +#define FM_RSQ_INT_SOURCE_RSSILIEN_MASK 0x0001 +#define FM_RSQ_INT_SOURCE_RSSIHIEN_MASK 0x0002 +#define FM_RSQ_INT_SOURCE_ASNRLIEN_MASK 0x0004 +#define FM_RSQ_INT_SOURCE_ASNRHIEN_MASK 0x0008 +#define FM_RSQ_INT_SOURCE_BLENDIEN_MASK 0x0080 +#define FM_RSQ_INT_SOURCE_RSSILIEN_SHFT 0 +#define FM_RSQ_INT_SOURCE_RSSIHIEN_SHFT 1 +#define FM_RSQ_INT_SOURCE_ASNRLIEN_SHFT 2 +#define FM_RSQ_INT_SOURCE_ASNRHIEN_SHFT 3 +#define FM_RSQ_INT_SOURCE_BLENDIEN_SHFT 7 + +/* FM_RSQ_SNR_HI_THRESHOLD */ +#define FM_RSQ_SNR_HI_THRESHOLD 0x1201 +#define FM_RSQ_SNR_HI_THRESHOLD_MASK 0x007F +#define FM_RSQ_SNR_HI_THRESHOLD_SHFT 0 + +/* FM_RSQ_SNR_LO_THRESHOLD */ +#define FM_RSQ_SNR_LO_THRESHOLD 0x1202 +#define FM_RSQ_SNR_LO_THRESHOLD_MASK 0x007F +#define FM_RSQ_SNR_LO_THRESHOLD_SHFT 0 + +/* FM_RSQ_RSSI_HI_THRESHOLD */ +#define FM_RSQ_RSSI_HI_THRESHOLD 0x1203 +#define FM_RSQ_RSSI_HI_THRESHOLD_MASK 0x007F +#define FM_RSQ_RSSI_HI_THRESHOLD_SHFT 0 + +/* FM_RSQ_RSSI_LO_THRESHOLD */ +#define FM_RSQ_RSSI_LO_THRESHOLD 0x1204 +#define FM_RSQ_RSSI_LO_THRESHOLD_MASK 0x007F +#define FM_RSQ_RSSI_LO_THRESHOLD_SHFT 0 + +/* FM_RSQ_BLEND_THRESHOLD */ +#define FM_RSQ_BLEND_THRESHOLD 0x1207 +#define FM_RSQ_BLEND_THRESHOLD_BLEND_MASK 0x007F +#define FM_RSQ_BLEND_THRESHOLD_PILOT_MASK 0x0080 +#define FM_RSQ_BLEND_THRESHOLD_BLEND_SHFT 0 +#define FM_RSQ_BLEND_THRESHOLD_PILOT_SHFT 7 + +/* FM_SOFT_MUTE_RATE */ +#define FM_SOFT_MUTE_RATE 0x1300 +#define FM_SOFT_MUTE_RATE_MASK 0x00FF +#define FM_SOFT_MUTE_RATE_SHFT 0 + +/* FM_SOFT_MUTE_MAX_ATTENUATION */ +#define FM_SOFT_MUTE_MAX_ATTENUATION 0x1302 +#define FM_SOFT_MUTE_MAX_ATTENUATION_MASK 0x001F +#define FM_SOFT_MUTE_MAX_ATTENUATION_SHFT 0 + +/* FM_SOFT_MUTE_SNR_THRESHOLD */ +#define FM_SOFT_MUTE_SNR_THRESHOLD 0x1303 +#define FM_SOFT_MUTE_SNR_THRESHOLD_MASK 0x000F +#define FM_SOFT_MUTE_SNR_THRESHOLD_SHFT 0 + +/* FM_SEEK_BAND_BOTTOM */ +#define FM_SEEK_BAND_BOTTOM 0x1400 + +/* FM_SEEK_BAND_TOP */ +#define FM_SEEK_BAND_TOP 0x1401 + +/* FM_SEEK_FREQ_SPACING */ +#define FM_SEEK_FREQ_SPACING 0x1402 +#define FM_SEEK_FREQ_SPACING_MASK 0x001F +#define FM_SEEK_FREQ_SPACING_SHFT 0 + +/* FM_SEEK_TUNE_SNR_THRESHOLD */ +#define FM_SEEK_TUNE_SNR_THRESHOLD 0x1403 +#define FM_SEEK_TUNE_SNR_THRESHOLD_MASK 0x007F +#define FM_SEEK_TUNE_SNR_THRESHOLD_SHFT 0 +#define FM_SEEK_TUNE_SNR_THRESHOLD_DEFAULT 0xa + +/* FM_SEEK_TUNE_RSSI_THRESHOLD */ +#define FM_SEEK_TUNE_RSSI_THRESHOLD 0x1404 +#define FM_SEEK_TUNE_RSSI_THRESHOLD_MASK 0x007F +#define FM_SEEK_TUNE_RSSI_THRESHOLD_SHFT 0 +#define FM_SEEK_TUNE_RSSI_THRESHOLD_DEFAULT 0x14 + +/* RDS_INT_SOURCE */ +#define RDS_INT_SOURCE 0x1500 +#define RDS_INT_SOURCE_RECV_MASK 0x0001 +#define RDS_INT_SOURCE_SYNCLOST_MASK 0x0002 +#define RDS_INT_SOURCE_SYNCFOUND_MASK 0x0004 +#define RDS_INT_SOURCE_RECV_SHFT 0 +#define RDS_INT_SOURCE_SYNCLOST_SHFT 1 +#define RDS_INT_SOURCE_SYNCFOUND_SHFT 2 + +/* RDS_INT_FIFO_COUNT */ +#define RDS_INT_FIFO_COUNT 0x1501 +#define RDS_INT_FIFO_COUNT_MASK 0x00FF +#define RDS_INT_FIFO_COUNT_SHFT 0 + +/* RDS_CONFIG */ +#define RDS_CONFIG 0x1502 +#define RDS_CONFIG_RDSEN_MASK 0x0001 +#define RDS_CONFIG_BLETHD_MASK 0x0300 +#define RDS_CONFIG_BLETHC_MASK 0x0C00 +#define RDS_CONFIG_BLETHB_MASK 0x3000 +#define RDS_CONFIG_BLETHA_MASK 0xC000 +#define RDS_CONFIG_RDSEN_SHFT 0 +#define RDS_CONFIG_BLETHD_SHFT 8 +#define RDS_CONFIG_BLETHC_SHFT 10 +#define RDS_CONFIG_BLETHB_SHFT 12 +#define RDS_CONFIG_BLETHA_SHFT 14 + +/*================================================================== + General Receive Properties +==================================================================*/ + +/* RX_VOLUME */ +#define RX_VOLUME 0x4000 +#define RX_VOLUME_MASK 0x003F +#define RX_VOLUME_MAX 0x003F +#define RX_VOLUME_SHFT 0 + +/* RX_HARD_MUTE */ +#define RX_HARD_MUTE 0x4001 +#define RX_HARD_MUTE_RMUTE_MASK 0x0001 +#define RX_HARD_MUTE_LMUTE_MASK 0x0002 +#define RX_HARD_MUTE_RMUTE_SHFT 0 +#define RX_HARD_MUTE_LMUTE_SHFT 1 + +/*================================================================== + Bit Definitions for Properties +==================================================================*/ + +/* DIGITAL_MODE - used for input or output */ +#define DIGITAL_MODE_I2S 0x0 +#define DIGITAL_MODE_LEFT 0x6 +#define DIGITAL_MODE_MSB1ST 0xC +#define DIGITAL_MODE_MSB2ND 0x8 + +/* DIGITAL_SIZE - used for input or output */ +#define DIGITAL_SIZE_16 0x0 +#define DIGITAL_SIZE_20 0x1 +#define DIGITAL_SIZE_24 0x2 +#define DIGITAL_SIZE_8 0x3 + +/* FM_DEEMPH */ +#define FM_DEEMPH_75US 0x2 +#define FM_DEEMPH_50US 0x1 + +/* FM_RDS_BLETH - used for all block error thresholds */ +#define FM_RDS_BLETH_NO_ERRORS 0x0 +#define FM_RDS_BLETH_1OR2_ERRORS 0x1 +#define FM_RDS_BLETH_3TO5_ERRORS 0x2 +#define FM_RDS_BLETH_UNCORRECTABLE 0x3 + +/************************************************************************** + * General Driver Definitions + **************************************************************************/ +enum { + RADIO_OP_LP_MODE = 0, + /* radio playback routed directly codec. default */ + RADIO_OP_RICH_MODE, + /* radio playback routed via AP */ + RADIO_OP_DEFAULT = RADIO_OP_LP_MODE +}; + +/* + * si4705_device - private data + */ +struct si4705_device { + struct video_device *videodev; + + /* driver management */ + unsigned int users; + unsigned char op_mode; + unsigned char power_state; + unsigned char power_state_at_suspend; + + /* si4705 int_status (0..7) */ + unsigned char int_status; + + /* RDS receive buffer */ + wait_queue_head_t read_queue; + struct mutex lock; /* buffer locking */ + struct work_struct resp_work; + struct workqueue_struct *queue; + unsigned char *buffer; /* size is always multiple of three */ + unsigned int buf_size; + unsigned int rd_index; + unsigned int wr_index; + + struct completion completion; + bool stci_enabled; /* Seek/Tune Complete Interrupt */ + + struct i2c_client *client; + struct si4705_pdata *pdata; +}; + + + +/************************************************************************** + * Firmware Versions + **************************************************************************/ + +#define RADIO_FW_VERSION 15 + + + +/************************************************************************** + * Frequency Multiplicator + **************************************************************************/ + +/* + * The frequency is set in units of 62.5 Hz when using V4L2_TUNER_CAP_LOW, + * 62.5 kHz otherwise. + * The tuner is able to have a channel spacing of 50, 100 or 200 kHz. + * tuner->capability is therefore set to V4L2_TUNER_CAP_LOW + * The FREQ_MUL is then: 1 MHz / 62.5 Hz = 16000 + */ +#define FREQ_MUL (10000000 / 625) + + + +/************************************************************************** + * Common Functions + **************************************************************************/ +extern struct video_device si4705_viddev_template; +int si4705_power_up(struct si4705_device *radio); +int si4705_power_down(struct si4705_device *radio); +int si4705_set_property(struct si4705_device *radio, u16 prop, u16 val); +int si4705_get_property(struct si4705_device *radio, u16 prop, u16 *pVal); +int si4705_get_int_status(struct si4705_device *radio, u8 *cts, u8 *err, + u8 *rsqint, u8 *rdsint, u8 *stcint); +int si4705_fm_tune_freq(struct si4705_device *radio, u16 freq, u8 antcap); +int si4705_fm_seek_start(struct si4705_device *radio, u8 seekUp, u8 wrap); +int si4705_fm_tune_status(struct si4705_device *radio, u8 cancel, + u8 intack, u8 *bltf, u16 *freq, u8 *rssi, u8 *snr, u8 *antcap); +int si4705_fm_rsq_status(struct si4705_device *radio, u8 intack, + u8 *intStatus, u8 *indStatus, u8 *stBlend, u8 *rssi, + u8 *snr, u8 *freqOff); +int si4705_fm_rds_status(struct si4705_device *radio, u8 mtfifo, + u8 intack, u8 *rdsInd, u8 *sync, u8 *fifoUsed, u16 *rdsFifo, + u8 *ble); +int si4705_fm_agc_status(struct si4705_device *radio, u8 *rfAgcDis, + u8 *lnaGainIndex); +int si4705_fm_agc_override(struct si4705_device *radio, u8 *rfAgcDis, + u8 *lnaGainIndex); +int si4705_gpio_ctl(struct si4705_device *radio, u8 gpio1, + u8 gpio2, u8 gpio3); +int si4705_gpio_set(struct si4705_device *radio, u8 gpio1, + u8 gpio2, u8 gpio3); +int si4705_disconnect_check(struct si4705_device *radio); +u16 si4705_vol_conv_index_to_value(struct si4705_device *radio, s32 index); +s32 si4705_vol_conv_value_to_index(struct si4705_device *radio, u16 value); +u16 si4705_get_seek_tune_rssi_threshold_value(struct si4705_device *radio); +u16 si4705_get_seek_tune_snr_threshold_value(struct si4705_device *radio); |