#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/videodev2.h>
#include <linux/mutex.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
#include <media/v4l2-device.h>
#include <asm/unaligned.h>

Data Structures
struct	si470x_device

Macros
#define	DRIVER_NAME "radio-si470x"

#define	RADIO_REGISTER_SIZE 2 /* 16 register bit width */

#define	RADIO_REGISTER_NUM 16 /* DEVICEID ... RDSD */

#define	RDS_REGISTER_NUM 6 /* STATUSRSSI ... RDSD */

#define	DEVICEID 0 /* Device ID */

#define	DEVICEID_PN 0xf000 /* bits 15..12: Part Number */

#define	DEVICEID_MFGID 0x0fff /* bits 11..00: Manufacturer ID */

#define	CHIPID 1 /* Chip ID */

#define	CHIPID_REV 0xfc00 /* bits 15..10: Chip Version */

#define	CHIPID_DEV 0x0200 /* bits 09..09: Device */

#define	CHIPID_FIRMWARE 0x01ff /* bits 08..00: Firmware Version */

#define	POWERCFG 2 /* Power Configuration */

#define	POWERCFG_DSMUTE 0x8000 /* bits 15..15: Softmute Disable */

#define	POWERCFG_DMUTE 0x4000 /* bits 14..14: Mute Disable */

#define	POWERCFG_MONO 0x2000 /* bits 13..13: Mono Select */

#define	POWERCFG_RDSM 0x0800 /* bits 11..11: RDS Mode (Si4701 only) */

#define	POWERCFG_SKMODE 0x0400 /* bits 10..10: Seek Mode */

#define	POWERCFG_SEEKUP 0x0200 /* bits 09..09: Seek Direction */

#define	POWERCFG_SEEK 0x0100 /* bits 08..08: Seek */

#define	POWERCFG_DISABLE 0x0040 /* bits 06..06: Powerup Disable */

#define	POWERCFG_ENABLE 0x0001 /* bits 00..00: Powerup Enable */

#define	CHANNEL 3 /* Channel */

#define	CHANNEL_TUNE 0x8000 /* bits 15..15: Tune */

#define	CHANNEL_CHAN 0x03ff /* bits 09..00: Channel Select */

#define	SYSCONFIG1 4 /* System Configuration 1 */

#define	SYSCONFIG1_RDSIEN 0x8000 /* bits 15..15: RDS Interrupt Enable (Si4701 only) */

#define	SYSCONFIG1_STCIEN 0x4000 /* bits 14..14: Seek/Tune Complete Interrupt Enable */

#define	SYSCONFIG1_RDS 0x1000 /* bits 12..12: RDS Enable (Si4701 only) */

#define	SYSCONFIG1_DE 0x0800 /* bits 11..11: De-emphasis (0=75us 1=50us) */

#define	SYSCONFIG1_AGCD 0x0400 /* bits 10..10: AGC Disable */

#define	SYSCONFIG1_BLNDADJ 0x00c0 /* bits 07..06: Stereo/Mono Blend Level Adjustment */

#define	SYSCONFIG1_GPIO3 0x0030 /* bits 05..04: General Purpose I/O 3 */

#define	SYSCONFIG1_GPIO2 0x000c /* bits 03..02: General Purpose I/O 2 */

#define	SYSCONFIG1_GPIO1 0x0003 /* bits 01..00: General Purpose I/O 1 */

#define	SYSCONFIG2 5 /* System Configuration 2 */

#define	SYSCONFIG2_SEEKTH 0xff00 /* bits 15..08: RSSI Seek Threshold */

#define	SYSCONFIG2_BAND 0x00c0 /* bits 07..06: Band Select */

#define	SYSCONFIG2_SPACE 0x0030 /* bits 05..04: Channel Spacing */

#define	SYSCONFIG2_VOLUME 0x000f /* bits 03..00: Volume */

#define	SYSCONFIG3 6 /* System Configuration 3 */

#define	SYSCONFIG3_SMUTER 0xc000 /* bits 15..14: Softmute Attack/Recover Rate */

#define	SYSCONFIG3_SMUTEA 0x3000 /* bits 13..12: Softmute Attenuation */

#define	SYSCONFIG3_SKSNR 0x00f0 /* bits 07..04: Seek SNR Threshold */

#define	SYSCONFIG3_SKCNT 0x000f /* bits 03..00: Seek FM Impulse Detection Threshold */

#define	TEST1 7 /* Test 1 */

#define	TEST1_AHIZEN 0x4000 /* bits 14..14: Audio High-Z Enable */

#define	TEST2 8 /* Test 2 */

#define	BOOTCONFIG 9 /* Boot Configuration */

#define	STATUSRSSI 10 /* Status RSSI */

#define	STATUSRSSI_RDSR 0x8000 /* bits 15..15: RDS Ready (Si4701 only) */

#define	STATUSRSSI_STC 0x4000 /* bits 14..14: Seek/Tune Complete */

#define	STATUSRSSI_SF 0x2000 /* bits 13..13: Seek Fail/Band Limit */

#define	STATUSRSSI_AFCRL 0x1000 /* bits 12..12: AFC Rail */

#define	STATUSRSSI_RDSS 0x0800 /* bits 11..11: RDS Synchronized (Si4701 only) */

#define	STATUSRSSI_BLERA 0x0600 /* bits 10..09: RDS Block A Errors (Si4701 only) */

#define	STATUSRSSI_ST 0x0100 /* bits 08..08: Stereo Indicator */

#define	STATUSRSSI_RSSI 0x00ff /* bits 07..00: RSSI (Received Signal Strength Indicator) */

#define	READCHAN 11 /* Read Channel */

#define	READCHAN_BLERB 0xc000 /* bits 15..14: RDS Block D Errors (Si4701 only) */

#define	READCHAN_BLERC 0x3000 /* bits 13..12: RDS Block C Errors (Si4701 only) */

#define	READCHAN_BLERD 0x0c00 /* bits 11..10: RDS Block B Errors (Si4701 only) */

#define	READCHAN_READCHAN 0x03ff /* bits 09..00: Read Channel */

#define	RDSA 12 /* RDSA */

#define	RDSA_RDSA 0xffff /* bits 15..00: RDS Block A Data (Si4701 only) */

#define	RDSB 13 /* RDSB */

#define	RDSB_RDSB 0xffff /* bits 15..00: RDS Block B Data (Si4701 only) */

#define	RDSC 14 /* RDSC */

#define	RDSC_RDSC 0xffff /* bits 15..00: RDS Block C Data (Si4701 only) */

#define	RDSD 15 /* RDSD */

#define	RDSD_RDSD 0xffff /* bits 15..00: RDS Block D Data (Si4701 only) */

#define	RADIO_FW_VERSION 12

#define	FREQ_MUL (1000000 / 62.5)

Functions
int	si470x_get_register (struct si470x_device *radio, int regnr)

int	si470x_set_register (struct si470x_device *radio, int regnr)

int	si470x_disconnect_check (struct si470x_device *radio)

int	si470x_set_freq (struct si470x_device *radio, unsigned int freq)

int	si470x_start (struct si470x_device *radio)

int	si470x_stop (struct si470x_device *radio)

int	si470x_fops_open (struct file *file)

int	si470x_fops_release (struct file *file)

int	si470x_vidioc_querycap (struct file file, void priv, struct v4l2_capability *capability)

Variables
struct video_device	si470x_viddev_template

struct v4l2_ctrl_ops	si470x_ctrl_ops

Macro Definition Documentation

#define BOOTCONFIG 9 /* Boot Configuration */

Definition at line 106 of file radio-si470x.h.

#define CHANNEL 3 /* Channel */

Definition at line 73 of file radio-si470x.h.

#define CHANNEL_CHAN 0x03ff /* bits 09..00: Channel Select */

Definition at line 75 of file radio-si470x.h.

#define CHANNEL_TUNE 0x8000 /* bits 15..15: Tune */

Definition at line 74 of file radio-si470x.h.

#define CHIPID 1 /* Chip ID */

Definition at line 57 of file radio-si470x.h.

#define CHIPID_DEV 0x0200 /* bits 09..09: Device */

Definition at line 59 of file radio-si470x.h.

#define CHIPID_FIRMWARE 0x01ff /* bits 08..00: Firmware Version */

Definition at line 60 of file radio-si470x.h.

#define CHIPID_REV 0xfc00 /* bits 15..10: Chip Version */

Definition at line 58 of file radio-si470x.h.

#define DEVICEID 0 /* Device ID */

Definition at line 53 of file radio-si470x.h.

#define DEVICEID_MFGID 0x0fff /* bits 11..00: Manufacturer ID */

Definition at line 55 of file radio-si470x.h.

#define DEVICEID_PN 0xf000 /* bits 15..12: Part Number */

Definition at line 54 of file radio-si470x.h.

#define DRIVER_NAME "radio-si470x"

Definition at line 25 of file radio-si470x.h.

#define FREQ_MUL (1000000 / 62.5)

Definition at line 208 of file radio-si470x.h.

#define POWERCFG 2 /* Power Configuration */

Definition at line 62 of file radio-si470x.h.

#define POWERCFG_DISABLE 0x0040 /* bits 06..06: Powerup Disable */

Definition at line 70 of file radio-si470x.h.

#define POWERCFG_DMUTE 0x4000 /* bits 14..14: Mute Disable */

Definition at line 64 of file radio-si470x.h.

#define POWERCFG_DSMUTE 0x8000 /* bits 15..15: Softmute Disable */

Definition at line 63 of file radio-si470x.h.

#define POWERCFG_ENABLE 0x0001 /* bits 00..00: Powerup Enable */

Definition at line 71 of file radio-si470x.h.

#define POWERCFG_MONO 0x2000 /* bits 13..13: Mono Select */

Definition at line 65 of file radio-si470x.h.

#define POWERCFG_RDSM 0x0800 /* bits 11..11: RDS Mode (Si4701 only) */

Definition at line 66 of file radio-si470x.h.

#define POWERCFG_SEEK 0x0100 /* bits 08..08: Seek */

Definition at line 69 of file radio-si470x.h.

#define POWERCFG_SEEKUP 0x0200 /* bits 09..09: Seek Direction */

Definition at line 68 of file radio-si470x.h.

#define POWERCFG_SKMODE 0x0400 /* bits 10..10: Seek Mode */

Definition at line 67 of file radio-si470x.h.

#define RADIO_FW_VERSION 12

Definition at line 193 of file radio-si470x.h.

#define RADIO_REGISTER_NUM 16 /* DEVICEID ... RDSD */

Definition at line 50 of file radio-si470x.h.

#define RADIO_REGISTER_SIZE 2 /* 16 register bit width */

Definition at line 49 of file radio-si470x.h.

#define RDS_REGISTER_NUM 6 /* STATUSRSSI ... RDSD */

Definition at line 51 of file radio-si470x.h.

#define RDSA 12 /* RDSA */

Definition at line 125 of file radio-si470x.h.

#define RDSA_RDSA 0xffff /* bits 15..00: RDS Block A Data (Si4701 only) */

Definition at line 126 of file radio-si470x.h.

#define RDSB 13 /* RDSB */

Definition at line 128 of file radio-si470x.h.

#define RDSB_RDSB 0xffff /* bits 15..00: RDS Block B Data (Si4701 only) */

Definition at line 129 of file radio-si470x.h.

#define RDSC 14 /* RDSC */

Definition at line 131 of file radio-si470x.h.

#define RDSC_RDSC 0xffff /* bits 15..00: RDS Block C Data (Si4701 only) */

Definition at line 132 of file radio-si470x.h.

#define RDSD 15 /* RDSD */

Definition at line 134 of file radio-si470x.h.

#define RDSD_RDSD 0xffff /* bits 15..00: RDS Block D Data (Si4701 only) */

Definition at line 135 of file radio-si470x.h.

#define READCHAN 11 /* Read Channel */

Definition at line 119 of file radio-si470x.h.

#define READCHAN_BLERB 0xc000 /* bits 15..14: RDS Block D Errors (Si4701 only) */

Definition at line 120 of file radio-si470x.h.

#define READCHAN_BLERC 0x3000 /* bits 13..12: RDS Block C Errors (Si4701 only) */

Definition at line 121 of file radio-si470x.h.

#define READCHAN_BLERD 0x0c00 /* bits 11..10: RDS Block B Errors (Si4701 only) */

Definition at line 122 of file radio-si470x.h.

#define READCHAN_READCHAN 0x03ff /* bits 09..00: Read Channel */

Definition at line 123 of file radio-si470x.h.

#define STATUSRSSI 10 /* Status RSSI */

Definition at line 109 of file radio-si470x.h.

#define STATUSRSSI_AFCRL 0x1000 /* bits 12..12: AFC Rail */

Definition at line 113 of file radio-si470x.h.

#define STATUSRSSI_BLERA 0x0600 /* bits 10..09: RDS Block A Errors (Si4701 only) */

Definition at line 115 of file radio-si470x.h.

#define STATUSRSSI_RDSR 0x8000 /* bits 15..15: RDS Ready (Si4701 only) */

Definition at line 110 of file radio-si470x.h.

#define STATUSRSSI_RDSS 0x0800 /* bits 11..11: RDS Synchronized (Si4701 only) */

Definition at line 114 of file radio-si470x.h.

#define STATUSRSSI_RSSI 0x00ff /* bits 07..00: RSSI (Received Signal Strength Indicator) */

Definition at line 117 of file radio-si470x.h.

#define STATUSRSSI_SF 0x2000 /* bits 13..13: Seek Fail/Band Limit */

Definition at line 112 of file radio-si470x.h.

#define STATUSRSSI_ST 0x0100 /* bits 08..08: Stereo Indicator */

Definition at line 116 of file radio-si470x.h.

#define STATUSRSSI_STC 0x4000 /* bits 14..14: Seek/Tune Complete */

Definition at line 111 of file radio-si470x.h.

#define SYSCONFIG1 4 /* System Configuration 1 */

Definition at line 77 of file radio-si470x.h.

#define SYSCONFIG1_AGCD 0x0400 /* bits 10..10: AGC Disable */

Definition at line 82 of file radio-si470x.h.

#define SYSCONFIG1_BLNDADJ 0x00c0 /* bits 07..06: Stereo/Mono Blend Level Adjustment */

Definition at line 83 of file radio-si470x.h.

#define SYSCONFIG1_DE 0x0800 /* bits 11..11: De-emphasis (0=75us 1=50us) */

Definition at line 81 of file radio-si470x.h.

#define SYSCONFIG1_GPIO1 0x0003 /* bits 01..00: General Purpose I/O 1 */

Definition at line 86 of file radio-si470x.h.

#define SYSCONFIG1_GPIO2 0x000c /* bits 03..02: General Purpose I/O 2 */

Definition at line 85 of file radio-si470x.h.

#define SYSCONFIG1_GPIO3 0x0030 /* bits 05..04: General Purpose I/O 3 */

Definition at line 84 of file radio-si470x.h.

#define SYSCONFIG1_RDS 0x1000 /* bits 12..12: RDS Enable (Si4701 only) */

Definition at line 80 of file radio-si470x.h.

#define SYSCONFIG1_RDSIEN 0x8000 /* bits 15..15: RDS Interrupt Enable (Si4701 only) */

Definition at line 78 of file radio-si470x.h.

#define SYSCONFIG1_STCIEN 0x4000 /* bits 14..14: Seek/Tune Complete Interrupt Enable */

Definition at line 79 of file radio-si470x.h.

#define SYSCONFIG2 5 /* System Configuration 2 */

Definition at line 88 of file radio-si470x.h.

#define SYSCONFIG2_BAND 0x00c0 /* bits 07..06: Band Select */

Definition at line 90 of file radio-si470x.h.

#define SYSCONFIG2_SEEKTH 0xff00 /* bits 15..08: RSSI Seek Threshold */

Definition at line 89 of file radio-si470x.h.

#define SYSCONFIG2_SPACE 0x0030 /* bits 05..04: Channel Spacing */

Definition at line 91 of file radio-si470x.h.

#define SYSCONFIG2_VOLUME 0x000f /* bits 03..00: Volume */

Definition at line 92 of file radio-si470x.h.

#define SYSCONFIG3 6 /* System Configuration 3 */

Definition at line 94 of file radio-si470x.h.

#define SYSCONFIG3_SKCNT 0x000f /* bits 03..00: Seek FM Impulse Detection Threshold */

Definition at line 98 of file radio-si470x.h.

#define SYSCONFIG3_SKSNR 0x00f0 /* bits 07..04: Seek SNR Threshold */

Definition at line 97 of file radio-si470x.h.

#define SYSCONFIG3_SMUTEA 0x3000 /* bits 13..12: Softmute Attenuation */

Definition at line 96 of file radio-si470x.h.

#define SYSCONFIG3_SMUTER 0xc000 /* bits 15..14: Softmute Attack/Recover Rate */

Definition at line 95 of file radio-si470x.h.

#define TEST1 7 /* Test 1 */

Definition at line 100 of file radio-si470x.h.

#define TEST1_AHIZEN 0x4000 /* bits 14..14: Audio High-Z Enable */

Definition at line 101 of file radio-si470x.h.

#define TEST2 8 /* Test 2 */

Definition at line 103 of file radio-si470x.h.

Function Documentation

int si470x_disconnect_check ( struct si470x_device * radio )

int si470x_fops_open ( struct file * file )

Definition at line 182 of file radio-si470x-i2c.c.

int si470x_fops_release ( struct file * file )

Definition at line 214 of file radio-si470x-i2c.c.

int si470x_get_register	(	struct si470x_device *	radio,
		int	regnr
	)

Definition at line 97 of file radio-si470x-i2c.c.

int si470x_set_freq	(	struct si470x_device *	radio,
		unsigned int	freq
	)

Definition at line 282 of file radio-si470x-common.c.

int si470x_set_register	(	struct si470x_device *	radio,
		int	regnr
	)

Definition at line 121 of file radio-si470x-i2c.c.

int si470x_start ( struct si470x_device * radio )

Definition at line 370 of file radio-si470x-common.c.

int si470x_stop ( struct si470x_device * radio )

Definition at line 410 of file radio-si470x-common.c.

int si470x_vidioc_querycap	(	struct file *	file,
		void *	priv,
		struct v4l2_capability *	capability
	)

Definition at line 234 of file radio-si470x-i2c.c.

Variable Documentation

struct v4l2_ctrl_ops si470x_ctrl_ops

Definition at line 731 of file radio-si470x-common.c.

struct video_device si470x_viddev_template

Definition at line 754 of file radio-si470x-common.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation