552 lines
14 KiB
C
552 lines
14 KiB
C
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#ifndef RADIO_S610_H
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#define RADIO_S610_H
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#define DRIVER_NAME "s610-radio"
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#define DRIVER_CARD "S610 FM Receiver"
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#define ENABLE_RDS_WORK_QUEUE
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#undef ENABLE_RDS_WORK_QUEUE
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#define ENABLE_IF_WORK_QUEUE
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/*#undef ENABLE_IF_WORK_QUEUE*/
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#define USE_FM_LNA_ENABLE
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/*#undef USE_FM_LNA_ENABLE*/
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#define RDS_POLLING_ENABLE
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#define IDLE_POLLING_ENABLE
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#define USE_AUDIO_PM
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/* DEBUG :: Print debug for debug *******/
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#define SUPPORT_FM_DEBUG
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#define SUPPORT_API_DEBUG
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#undef SUPPORT_FM_DEBUG
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#undef SUPPORT_API_DEBUG
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#ifdef SUPPORT_FM_DEBUG
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#define FDEBUG(fm, fmt, args...) dev_info(fm->dev, fmt, ##args)
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#define FUNC_ENTRY(fm) dev_info(fm->dev, "+ %s(): entry\n", __func__)
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#define FUNC_EXIT(fm) dev_info(fm->dev, "- %s(): exit\n", __func__)
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#else
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#define FDEBUG(fm, fmt, args...)
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#define FUNC_ENTRY(fm)
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#define FUNC_EXIT(fm)
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#endif /*SUPPORT_FM_DEBUG*/
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#ifdef SUPPORT_API_DEBUG
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#define API_ENTRY(fm) dev_info(fm->dev, "> API: %s(): entry\n", __func__)
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#define API_EXIT(fm) dev_info(fm->dev, "< API: %s(): exit\n", __func__)
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#define APIEBUG(fm, fmt, args...) dev_info(fm->dev, fmt, ##args)
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#else
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#define API_ENTRY(fm)
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#define API_EXIT(fm)
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#define APIEBUG(fm, fmt, args...)
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#endif
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#define SUPPORT_RDS_DEBUG
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#undef SUPPORT_RDS_DEBUG
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#ifdef SUPPORT_RDS_DEBUG
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#define RDSEBUG(fm, fmt, args...) dev_info(fm->dev, fmt, ##args)
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#define RDS_ENTRY(fm) dev_info(fm->dev, "> RDS: %s(): entry\n", __func__)
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#define RDS_EXIT(fm) dev_info(fm->dev, "< RDS: %s(): exit\n", __func__)
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#else
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#define RDSEBUG(fm, fmt, args...)
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#define RDS_ENTRY(fm)
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#define RDS_EXIT(fm)
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#endif /*SUPPORT_RDS_DEBUG*/
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/completion.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/jiffies.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/pm_runtime.h>
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#include <linux/sched.h>
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#include <linux/wait.h>
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#include <linux/workqueue.h>
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#include <linux/delay.h>
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#include <linux/of.h>
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#include <linux/spinlock.h>
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#include <linux/wakelock.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-event.h>
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#include <linux/i2c.h>
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#include "fm_low_struc.h"
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#define V4L2_CID_USER_S610_BASE (0x00980900 + 0x1070)
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enum s610_ctrl_id {
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V4L2_CID_S610_CH_SPACING = (V4L2_CID_USER_S610_BASE + 0x01),
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V4L2_CID_S610_CH_BAND = (V4L2_CID_USER_S610_BASE + 0x02),
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V4L2_CID_S610_SOFT_STEREO_BLEND = (V4L2_CID_USER_S610_BASE + 0x03),
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V4L2_CID_S610_SOFT_STEREO_BLEND_COEFF = (V4L2_CID_USER_S610_BASE+0x04),
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V4L2_CID_S610_SOFT_MUTE_COEFF = (V4L2_CID_USER_S610_BASE + 0x5),
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V4L2_CID_S610_RSSI_CURR = (V4L2_CID_USER_S610_BASE + 0x06),
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V4L2_CID_S610_SNR_CURR = (V4L2_CID_USER_S610_BASE + 0x07),
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V4L2_CID_S610_SEEK_CANCEL = (V4L2_CID_USER_S610_BASE + 0x08),
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V4L2_CID_S610_SEEK_MODE = (V4L2_CID_USER_S610_BASE + 0x09),
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V4L2_CID_S610_RDS_ON = (V4L2_CID_USER_S610_BASE + 0x0A),
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V4L2_CID_S610_IF_COUNT1 = (V4L2_CID_USER_S610_BASE + 0x0B),
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V4L2_CID_S610_IF_COUNT2 = (V4L2_CID_USER_S610_BASE + 0x0C),
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V4L2_CID_S610_RSSI_TH = (V4L2_CID_USER_S610_BASE + 0x0D),
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V4L2_CID_S610_KERNEL_VER = (V4L2_CID_USER_S610_BASE + 0x0E),
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V4L2_CID_S610_SOFT_STEREO_BLEND_REF = (V4L2_CID_USER_S610_BASE+0x0F),
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};
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enum fm_flag_get {
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FM_EVENT_TUNED = (1 << 0),
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FM_EVENT_BD_LMT = (1 << 1),
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FM_EVENT_SYN_LOS = (1 << 2),
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FM_EVENT_BUF_FUL = (1 << 3),
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FM_EVENT_AUD_PAU = (1 << 4),
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FM_EVENT_CH_STAT = (1 << 5)
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};
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/* Tunner modes */
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enum fm_tuner_mode {
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FM_TUNER_STOP_SEARCH_MODE = 0,
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FM_TUNER_PRESET_MODE = 1,
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FM_TUNER_AUTONOMOUS_SEARCH_MODE = 2,
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FM_TUNER_AUTONOMOUS_SEARCH_MODE_NEXT = 10
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};
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/* channel spacing */
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enum fm_channel_spacing {
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FM_CHANNEL_SPACING_50KHZ = 1,
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FM_CHANNEL_SPACING_100KHZ = 2,
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FM_CHANNEL_SPACING_200KHZ = 4
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};
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#define FM_FREQ_MUL 50
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/* Mute modes */
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enum fm_mute_mode {
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FM_MUTE_ON = 0,
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FM_MUTE_OFF = 1,
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FM_MUTE_ATTENUATE = 2
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};
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/* Register set mute bits */
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enum fm_reg_mute {
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FM_RX_UNMUTE_MODE = 0x00,
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FM_RX_RF_DEP_MODE = 0x01,
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FM_RX_AC_MUTE_MODE = 0x02,
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FM_RX_HARD_MUTE_LEFT_MODE = 0x04,
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FM_RX_HARD_MUTE_RIGHT_MODE = 0x08,
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FM_RX_SOFT_MUTE_FORCE_MODE = 0x10
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};
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/* FM RDS modes */
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enum fm_rds_mode {
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FM_RDS_DISABLE = 0,
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FM_RDS_ENABLE = 1
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};
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/* FM RDS Parser */
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#define MAX_PS 8
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#define MAX_RT 64
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#define MAX_RTP_TAG 2
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struct rtp_tag_info {
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u32 content_type;
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u32 start_pos;
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u32 len;
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};
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struct rtp_info {
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u8 toggle;
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u8 running;
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u8 validated;
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struct rtp_tag_info tag[2];
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};
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struct fm_rds_parser_info {
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u32 pi_idx;
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u16 pi_buf[2];
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u32 ecc_idx;
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u8 ecc_buf[2];
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u32 af_idx;
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u16 af_buf[2];
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u8 ps_segment;
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u8 ps_len;
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u32 ps_idx;
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u8 ps_buf[3][MAX_PS + 1];
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u8 ps_err[3][MAX_PS / 2];
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u8 ps_candidate[MAX_PS + 1];
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u8 rt_segment;
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u8 rt_len;
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u32 rt_idx;
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u8 rt_buf[3][MAX_RT + 1];
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u8 rt_err[3][MAX_RT / 2];
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u8 rt_candidate[MAX_RT + 1];
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u8 rt_change;
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u8 rt_validated;
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u8 rtp_drop_blk;
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u8 rtp_code_group;
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u16 rtp_raw_data[3];
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struct rtp_info rtp_data;
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u8 grp;
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bool drop_blk;
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u8 rds_event;
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};
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/* RF dependent mute mode */
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#define FM_RX_RF_DEPENDENT_MUTE_ON 1
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#define FM_RX_RF_DEPENDENT_MUTE_OFF 0
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#define FM_DRV_TURN_TIMEOUT (5*HZ) /* 5 seconds */
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#define FM_DRV_SEEK_TIMEOUT (20*HZ) /* 10 seconds */
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/* Min and Max volume */
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#define FM_RX_VOLUME_MIN 0
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#define FM_RX_VOLUME_MAX 70
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/* Volume gain step */
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#define FM_RX_VOLUME_GAIN_STEP 16
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#define FM_SEARCH_DIRECTION_UP 0
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#define FM_SEARCH_DIRECTION_DOWN 1
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/* undefined freq */
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#define FM_UNDEFINED_FREQ 0xFFFFFFFF
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/* RDS system type (RDS/RBDS) */
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#define FM_RDS_SYSTEM_RDS 0
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#define FM_RDS_SYSTEM_RBDS 1
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/* AF on/off */
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#define FM_RX_RDS_AF_SWITCH_MODE_ON 1
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#define FM_RX_RDS_AF_SWITCH_MODE_OFF 0
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/* RX RDS */
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#define FM_RX_RDS_FLUSH_FIFO 0x1
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#define FM_RX_RDS_FIFO_THRESHOLD 48 /* tuples */
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#define FM_RX_RDS_FIFO_THRESHOLD_PARSER 100 /* tuples */
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#define FM_RDS_BLK_SIZE 3 /* 3 bytes */
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/* default RSSI value for init */
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#define FM_DEFAULT_RSSI_THRESHOLD 0x8E
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/* Reset pre-tune value */
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#define RESET_PRETUNE_VALUE 103500
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#define GPIO_LOW 0
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#define GPIO_HIGH 1
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struct s610_radio;
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enum s610_power_state {
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S610_POWER_DOWN = 0,
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S610_POWER_ON_FM = 1,
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S610_POWER_ON_RDS = 2
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};
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/* FM region (Europe/US, Japan) info */
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struct region_info {
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u32 chanl_space;
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u32 bot_freq;
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u32 top_freq;
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u8 fm_band;
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};
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struct s610_core {
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int chip_id;
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struct mutex cmd_lock; /* for serializing fm radio operations */
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/* enum s610_power_state power_state;*/
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u8 power_mode;
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wait_queue_head_t rds_read_queue;
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};
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/**
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* s610_core_lock() - lock the core device to get an exclusive access
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* to it.
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*/
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static inline void s610_core_lock_init(struct s610_core *core)
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{
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mutex_init(&core->cmd_lock);
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}
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/**
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* s610_core_lock() - lock the core device to get an exclusive access
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* to it.
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*/
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static inline void s610_core_lock(struct s610_core *core)
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{
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mutex_lock(&core->cmd_lock);
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}
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/**
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* s610_core_lock() - lock the core device to get an exclusive access
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* to it.
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*/
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static inline int __must_check s610_core_lock_interruptible(
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struct s610_core *core)
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{
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int ret;
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ret = mutex_lock_interruptible(&core->cmd_lock);
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return ret;
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}
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/**
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* s610_core_unlock() - unlock the core device to relinquish an
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* exclusive access to it.
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*/
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static inline void s610_core_unlock(struct s610_core *core)
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{
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mutex_unlock(&core->cmd_lock);
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}
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static inline int api_to_real(int freq)
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{
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return freq;
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}
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static inline int real_to_api(int freq)
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{
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return freq;
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}
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#define FREQ_MUL (10000000 / 625)
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enum s610_freq_bands {
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S610_BAND_FM,
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S610_BAND_AM,
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};
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struct ringbuf_t {
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u8 *buf;
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u8 *head, *tail;
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int size;
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};
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/**
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* struct s610_radio - radio device
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*
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* @core: Pointer to underlying core device
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* @videodev: Pointer to video device created by V4L2 subsystem
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* @ops: Vtable of functions. See struct s610_radio_ops for details
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* @kref: Reference counter
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* @core_lock: An r/w semaphore to brebvent the deletion of underlying
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* core structure is the radio device is being used
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*/
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struct s610_radio {
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struct v4l2_device v4l2dev;
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struct video_device videodev;
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struct v4l2_ctrl_handler ctrl_handler;
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struct s610_core *core;
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struct s610_low *low;
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u32 audmode;
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|
|
||
|
|
int radio_region;
|
||
|
|
struct region_info region; /* Current selected band */
|
||
|
|
u8 mute_mode; /* Current mute mode */
|
||
|
|
u32 freq; /* Current RX frquency */
|
||
|
|
u8 deemphasis_mode; /* Current deemphasis mode */
|
||
|
|
u8 rf_depend_mute; /* RF dependent soft mute mode */
|
||
|
|
u16 volume; /* Current volume level */
|
||
|
|
u16 rssi_threshold; /* Current RSSI threshold level */
|
||
|
|
u8 rds_mode; /* RDS operation mode (RDS/RDBS) */
|
||
|
|
u8 af_mode; /* Alternate frequency on/off */
|
||
|
|
|
||
|
|
u16 irq_flag; /* FM interrupt flag */
|
||
|
|
u16 irq_mask; /* FM interrupt mask */
|
||
|
|
unsigned int irq; /* AP interrupt line */
|
||
|
|
|
||
|
|
/* flags FR BL completion handler */
|
||
|
|
struct completion flags_set_fr_comp;
|
||
|
|
struct completion flags_seek_fr_comp;
|
||
|
|
|
||
|
|
/* set if counter completion handler */
|
||
|
|
struct completion set_if_cnt_comp;
|
||
|
|
|
||
|
|
spinlock_t slock; /* To protect access to buffer */
|
||
|
|
spinlock_t rds_lock; /* To protect access to buffer */
|
||
|
|
|
||
|
|
struct wake_lock wakelock;
|
||
|
|
struct wake_lock rdswakelock;
|
||
|
|
atomic_t is_doing;
|
||
|
|
atomic_t is_rds_new;
|
||
|
|
atomic_t is_rds_doing;
|
||
|
|
int wait_atomic;
|
||
|
|
int wait_atomic_rds;
|
||
|
|
|
||
|
|
spinlock_t rds_buff_lock; /* To protect access to RDS buffer */
|
||
|
|
u8 rds_flag; /* RX RDS on/off status */
|
||
|
|
u8 rds_new; /* RX RDS new data status */
|
||
|
|
u8 rds_buf[480];
|
||
|
|
struct ringbuf_t rds_rb;
|
||
|
|
struct fm_rds_parser_info pi;
|
||
|
|
struct mutex lock;
|
||
|
|
struct workqueue_struct *work_queue;
|
||
|
|
struct workqueue_struct *if_work_queue;
|
||
|
|
|
||
|
|
#ifdef ENABLE_RDS_WORK_QUEUE
|
||
|
|
struct work_struct work;
|
||
|
|
#endif /*ENABLE_RDS_WORK_QUEUE*/
|
||
|
|
#ifdef ENABLE_IF_WORK_QUEUE
|
||
|
|
struct work_struct if_work;
|
||
|
|
#endif /*ENABLE_IF_WORK_QUEUE*/
|
||
|
|
|
||
|
|
struct delayed_work dwork_sig2;
|
||
|
|
struct delayed_work dwork_tune;
|
||
|
|
#ifdef RDS_POLLING_ENABLE
|
||
|
|
struct delayed_work dwork_rds_poll;
|
||
|
|
#endif /*RDS_POLLING_ENABLE*/
|
||
|
|
#ifdef IDLE_POLLING_ENABLE
|
||
|
|
struct delayed_work dwork_idle_poll;
|
||
|
|
#endif /*IDLE_POLLING_ENABLE*/
|
||
|
|
u16 dwork_idle_counter;
|
||
|
|
u16 dwork_rds_counter;
|
||
|
|
u16 dwork_sig2_counter;
|
||
|
|
u16 dwork_tune_counter;
|
||
|
|
u16 switch_rssi;
|
||
|
|
u16 idle_fniarg;
|
||
|
|
u16 sig2_fniarg;
|
||
|
|
u16 tune_fniarg;
|
||
|
|
|
||
|
|
u16 freq_step;
|
||
|
|
u8 speedy_error;
|
||
|
|
u16 seek_mode;
|
||
|
|
u32 seek_freq; /* seek start frquency */
|
||
|
|
u32 seek_status;
|
||
|
|
int seek_weak_rssi;
|
||
|
|
u32 wrap_around;
|
||
|
|
u32 iclkaux;
|
||
|
|
void __iomem *fmspeedy_base;
|
||
|
|
void __iomem *disaud_cmu_base;
|
||
|
|
#ifdef USE_FM_LNA_ENABLE
|
||
|
|
int elna_gpio;
|
||
|
|
#endif /* USE_FM_EXTERN_PLL */
|
||
|
|
struct platform_device *pdev;
|
||
|
|
struct device *dev;
|
||
|
|
#ifdef USE_AUDIO_PM
|
||
|
|
struct device *a_dev;
|
||
|
|
#endif /* USE_AUDIO_PM */
|
||
|
|
struct clk **clocks;
|
||
|
|
const char **clk_ids;
|
||
|
|
int tc_on;
|
||
|
|
int trf_on;
|
||
|
|
int dual_clk_on;
|
||
|
|
int vol_num;
|
||
|
|
u32 *vol_level_mod;
|
||
|
|
u32 *vol_level_tmp;
|
||
|
|
int vol_3db_att;
|
||
|
|
int rssi_est_on;
|
||
|
|
int sw_mute_weak;
|
||
|
|
u32 rfchip_ver;
|
||
|
|
int without_elna;
|
||
|
|
u16 rssi_adjust;
|
||
|
|
bool rssi_ref_enable;
|
||
|
|
u32 agc_enable;
|
||
|
|
/* debug print counter */
|
||
|
|
int idle_cnt_mod;
|
||
|
|
int rds_cnt_mod;
|
||
|
|
fm_rds_block_type_enum block_seq;
|
||
|
|
|
||
|
|
/* Test RDS log */
|
||
|
|
bool invalid_rssi;
|
||
|
|
int rds_n_count;
|
||
|
|
int rds_r_count;
|
||
|
|
int rds_new_stat;
|
||
|
|
int rds_read_cnt;
|
||
|
|
int rds_fifo_err_cnt;
|
||
|
|
int rds_fifo_rd_cnt;
|
||
|
|
int rds_reset_cnt;
|
||
|
|
int rds_sync_loss_cnt;
|
||
|
|
int rb_used;
|
||
|
|
bool rds_parser_enable;
|
||
|
|
int rds_gcnt;
|
||
|
|
/* Test RDS log end */
|
||
|
|
};
|
||
|
|
|
||
|
|
extern bool fm_radio_on(struct s610_radio *radio);
|
||
|
|
extern void fm_radio_off(struct s610_radio *radio);
|
||
|
|
extern void fm_rds_on(struct s610_radio *radio);
|
||
|
|
extern void fm_rds_off(struct s610_radio *radio);
|
||
|
|
extern void fm_set_band(struct s610_radio *radio, u8 index);
|
||
|
|
extern int fm_boot(struct s610_radio *radio);
|
||
|
|
extern void fm_power_off(void);
|
||
|
|
|
||
|
|
extern int low_get_search_lvl(struct s610_radio *radio, u16 *value);
|
||
|
|
extern u16 fm_get_flags(struct s610_radio *radio);
|
||
|
|
extern int low_set_if_limit(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_search_lvl(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_freq(struct s610_radio *radio, u32 value);
|
||
|
|
extern int low_set_tuner_mode(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_mute_state(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_most_mode(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_most_blend(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_pause_lvl(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_pause_dur(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_demph_mode(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_rds_cntr(struct s610_radio *radio, u16 value);
|
||
|
|
extern int low_set_power(struct s610_radio *radio, u16 value);
|
||
|
|
extern u8 aggr_rssi_device_to_host(u16 val);
|
||
|
|
extern void fm_isr(struct s610_radio *radio);
|
||
|
|
extern void cancel_tuner_timer(struct s610_radio *radio);
|
||
|
|
extern int init_low_struc(struct s610_radio *radio);
|
||
|
|
extern void fm_speedy_m_int_enable(void);
|
||
|
|
extern void fm_speedy_m_int_disable(void);
|
||
|
|
#ifdef ENABLE_RDS_WORK_QUEUE
|
||
|
|
extern void s610_rds_work(struct work_struct *work);
|
||
|
|
#endif /*ENABLE_RDS_WORK_QUEUE*/
|
||
|
|
#ifdef ENABLE_IF_WORK_QUEUE
|
||
|
|
extern void s610_if_work(struct work_struct *work);
|
||
|
|
#endif /*ENABLE_IF_WORK_QUEUE*/
|
||
|
|
|
||
|
|
extern void s610_sig2_work(struct work_struct *work);
|
||
|
|
extern void s610_tune_work(struct work_struct *work);
|
||
|
|
#ifdef RDS_POLLING_ENABLE
|
||
|
|
extern void s610_rds_poll_work(struct work_struct *work);
|
||
|
|
extern void fm_rds_periodic_update(unsigned long data);
|
||
|
|
extern void fm_rds_periodic_cancel(unsigned long data);
|
||
|
|
#endif /*RDS_POLLING_ENABLE*/
|
||
|
|
#ifdef IDLE_POLLING_ENABLE
|
||
|
|
extern void s610_idle_poll_work(struct work_struct *work);
|
||
|
|
extern void fm_idle_periodic_update(unsigned long data);
|
||
|
|
extern void fm_idle_periodic_cancel(unsigned long data);
|
||
|
|
#endif /*IDLE_POLLING_ENABLE*/
|
||
|
|
|
||
|
|
extern void fm_set_blend_mute(struct s610_radio *radio);
|
||
|
|
|
||
|
|
extern u32 fmspeedy_get_reg(u32 addr);
|
||
|
|
extern int fmspeedy_set_reg(u32 addr, u32 data);
|
||
|
|
extern u32 fmspeedy_get_reg_field(u32 addr, u32 shift, u32 mask);
|
||
|
|
|
||
|
|
extern void fm_update_rssi(struct s610_radio *radio);
|
||
|
|
extern void fm_update_snr(struct s610_radio *radio);
|
||
|
|
extern void fm_set_audio_gain(struct s610_radio *radio, u16 gain);
|
||
|
|
extern void fm_aux_pll_off(void);
|
||
|
|
extern void fmspeedy_wakeup(void);
|
||
|
|
extern int fm_read_rds_data(struct s610_radio *radio, u8 *buffer, int size,
|
||
|
|
u16 *blocks);
|
||
|
|
extern u32 fmspeedy_get_reg_work(u32 addr);
|
||
|
|
extern signed int exynos_get_fm_open_status(void);
|
||
|
|
extern void fm_ds_set(u32 data);
|
||
|
|
extern void fm_get_version_number(void);
|
||
|
|
extern int ringbuf_bytes_used(const struct ringbuf_t *rb);
|
||
|
|
extern void fm_rds_parser_reset(struct fm_rds_parser_info *pi);
|
||
|
|
#endif /* RADIO_S610_H */
|
||
|
|
|