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android / kernel / mediatek / beae9bf7cc1105ff14d4fe8f0edb8a06f120ba96 / . / drivers / misc / mediatek / fmradio / core / fm_module.c
blob: 6b42ac203d3ea2ff694e09e95760d89821205d8a [file] [log] [blame]
/* fm_module.c
*
* (C) Copyright 2011
* MediaTek <www.MediaTek.com>
* Hongcheng <hongcheng.xia@MediaTek.com>
*
* FM Radio Driver -- main functions
*
* 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
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/cdev.h>
#include <linux/interrupt.h>
#include <asm/uaccess.h>
#include <linux/sched.h>
#include <linux/delay.h> /* udelay() */
#include "fm_config.h"
#include "fm_main.h"
#include "fm_ioctl.h"
#define FM_PROC_FILE "fm"
fm_u32 g_dbg_level = 0xfffffff5; /* Debug level of FM */
/* fm main data structure */
static struct fm *g_fm;
/* proc file entry */
static struct proc_dir_entry *g_fm_proc;
/* char device interface */
static fm_s32 fm_cdev_setup(struct fm *fm);
static fm_s32 fm_cdev_destroy(struct fm *fm);
static long fm_ops_ioctl(struct file *filp, fm_u32 cmd, unsigned long arg);
static loff_t fm_ops_lseek(struct file *filp, loff_t off, fm_s32 whence);
static ssize_t fm_ops_read(struct file *filp, char *buf, size_t len, loff_t *off);
static fm_s32 fm_ops_open(struct inode *inode, struct file *filp);
static fm_s32 fm_ops_release(struct inode *inode, struct file *filp);
static fm_s32 fm_ops_flush(struct file *filp, fl_owner_t Id);
static struct file_operations fm_ops = {
.owner = THIS_MODULE,
.unlocked_ioctl = fm_ops_ioctl,
.llseek = fm_ops_lseek,
.read = fm_ops_read,
.open = fm_ops_open,
.release = fm_ops_release,
.flush = fm_ops_flush,
};
/* static fm_s32 fm_proc_read(char *page, char **start, off_t off, fm_s32 count, fm_s32 *eof, void *data); */
static ssize_t fm_proc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos);
static ssize_t fm_proc_write(struct file *file, const char *buffer, size_t count, loff_t *ppos);
static struct file_operations fm_proc_ops = {
.owner = THIS_MODULE,
.read = fm_proc_read,
.write = fm_proc_write,
};
static struct fm_scan_t parm = {
.sr_size = 0,
.sr.ch_rssi_buf = NULL,
};
static long fm_ops_ioctl(struct file *filp, fm_u32 cmd, unsigned long arg)
{
fm_s32 ret = 0;
struct fm_platform *plat =
container_of(filp->f_dentry->d_inode->i_cdev, struct fm_platform, cdev);
struct fm *fm = container_of(plat, struct fm, platform);
WCN_DBG(FM_NTC | MAIN, "%s---pid(%d)---cmd(0x%08x)---arg(0x%08x)\n", current->comm,
current->pid, cmd, (fm_u32) arg);
if (fm_sys_state_get(fm) != FM_SUBSYS_RST_OFF) {
WCN_DBG(FM_ALT | MAIN, "FM subsys is resetting, retry later\n");
ret = -FM_ESRST;
return ret;
}
switch (cmd) {
case FM_IOCTL_POWERUP:{
struct fm_tune_parm parm;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_POWERUP:0\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_tune_parm))) {
ret = -EFAULT;
goto out;
}
ret = fm_powerup(fm, &parm);
if (ret < 0)
goto out;
ret = fm_tune(fm, &parm);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_tune_parm))) {
ret = -EFAULT;
goto out;
}
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_POWERUP:1\n");
break;
}
case FM_IOCTL_POWERDOWN:{
int powerdwn_type = 0;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_POWERDOWN:0\n");
if (copy_from_user(&powerdwn_type, (void *)arg, sizeof(int))) {
ret = -EFAULT;
goto out;
}
ret = fm_powerdown(fm, powerdwn_type); /* 0: RX 1: TX */
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_POWERDOWN:1\n");
break;
}
case FM_IOCTL_TUNE:{
struct fm_tune_parm parm;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_TUNE:0\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_tune_parm))) {
ret = -EFAULT;
goto out;
}
ret = fm_tune(fm, &parm);
if (ret < 0) {
goto out;
}
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_tune_parm))) {
ret = -EFAULT;
goto out;
}
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_TUNE:1\n");
break;
}
case FM_IOCTL_SOFT_MUTE_TUNE:
{
struct fm_softmute_tune_t parm;
fm_cqi_log(); /* cqi log tool */
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_SOFT_MUTE_TUNE......\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_softmute_tune_t))) {
ret = -EFAULT;
goto out;
}
ret = fm_soft_mute_tune(fm, &parm);
if (ret < 0) {
goto out;
}
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_softmute_tune_t))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_PRE_SEARCH:
{
ret = fm_pre_search(fm);
break;
}
case FM_IOCTL_RESTORE_SEARCH:
{
ret = fm_restore_search(fm);
break;
}
case FM_IOCTL_SEEK:{
struct fm_seek_parm parm;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_SEEK:0\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_seek_parm))) {
ret = -EFAULT;
goto out;
}
ret = fm_seek(fm, &parm);
if (ret < 0) {
goto out;
}
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_seek_parm))) {
ret = -EFAULT;
goto out;
}
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_SEEK:1\n");
break;
}
case FM_IOCTL_SCAN:{
struct fm_scan_parm parm;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_SCAN start\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_scan_parm))) {
WCN_DBG(FM_ALT | MAIN, "copy_from_user failed\n");
ret = -EFAULT;
goto out;
}
ret = fm_scan(fm, &parm);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_scan_parm))) {
ret = -EFAULT;
goto out;
}
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_SCAN end\n");
break;
}
case FM_IOCTL_TUNE_NEW:{
struct fm_tune_t tune_tmp;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_TUNE_NEW\n");
if (copy_from_user(&tune_tmp, (void *)arg, sizeof(struct fm_tune_t))) {
WCN_DBG(FM_ERR | MAIN, "tune new copy_from_user error\n");
ret = -EFAULT;
goto out;
}
ret = fm_tune_new(fm, &tune_tmp);
if (ret < 0) {
goto out;
}
if (copy_to_user((void *)arg, &tune_tmp, sizeof(struct fm_tune_t))) {
WCN_DBG(FM_ERR | MAIN, "tune new copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_SEEK_NEW:{
struct fm_seek_t seek_tmp;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_SEEK_NEW\n");
if (copy_from_user(&seek_tmp, (void *)arg, sizeof(struct fm_seek_t))) {
WCN_DBG(FM_ERR | MAIN, "seek new copy_from_user error\n");
ret = -EFAULT;
goto out;
}
ret = fm_seek_new(fm, &seek_tmp);
if (ret < 0) {
goto out;
}
if (copy_to_user((void *)arg, &seek_tmp, sizeof(struct fm_seek_t))) {
WCN_DBG(FM_ERR | MAIN, "seek new copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_SCAN_NEW:{
struct fm_scan_t tmp;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_SCAN_NEW\n");
if (copy_from_user(&tmp, (void *)arg, sizeof(struct fm_scan_t))) {
WCN_DBG(FM_ERR | MAIN, "copy_from_user error\n");
ret = -EFAULT;
goto out;
}
switch (tmp.cmd) {
case FM_SCAN_CMD_START:
if ((tmp.upper > 10800) || (tmp.lower < 7600) || (tmp.space < 5)
|| (tmp.space > 20)) {
WCN_DBG(FM_ERR | MAIN, "scan para error\n");
ret = -EFAULT;
goto out;
}
parm.cmd = tmp.cmd;
parm.lower = tmp.lower;
parm.upper = tmp.upper;
parm.space = tmp.space;
ret = fm_scan_new(fm, &parm);
if (ret < 0) {
goto out;
}
break;
case FM_SCAN_CMD_GET_CH_RSSI:
if (parm.sr_size && parm.sr.ch_rssi_buf) {
if (copy_to_user
(tmp.sr.ch_rssi_buf, parm.sr.ch_rssi_buf,
parm.num * sizeof(struct fm_ch_rssi))) {
WCN_DBG(FM_ERR | MAIN, "scan copy_to_user err\n");
ret = -EFAULT;
goto out;
}
}
break;
default:
break;
}
tmp.num = parm.num;
if (copy_to_user((void *)arg, &tmp, sizeof(struct fm_scan_t))) {
WCN_DBG(FM_ERR | MAIN, "copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_CQI_GET:{
struct fm_cqi_req cqi_req;
fm_s8 *buf = NULL;
fm_s32 tmp;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_CQI_GET\n");
if (copy_from_user(&cqi_req, (void *)arg, sizeof(struct fm_cqi_req))) {
WCN_DBG(FM_ALT | MAIN, "copy_from_user failed\n");
ret = -EFAULT;
goto out;
}
if ((cqi_req.ch_num * sizeof(struct fm_cqi) > cqi_req.buf_size)
|| !cqi_req.cqi_buf) {
ret = -FM_EPARA;
goto out;
}
tmp = cqi_req.ch_num / 16 + ((cqi_req.ch_num % 16) ? 1 : 0);
tmp = tmp * 16 * sizeof(struct fm_cqi);
buf = fm_zalloc(tmp);
if (!buf) {
ret = -FM_ENOMEM;
goto out;
}
ret = fm_cqi_get(fm, cqi_req.ch_num, buf, tmp);
if (ret) {
fm_free(buf);
WCN_DBG(FM_ALT | MAIN, "get cqi failed\n");
goto out;
}
if (copy_to_user
((void *)cqi_req.cqi_buf, buf,
cqi_req.ch_num * sizeof(struct fm_cqi))) {
fm_free(buf);
ret = -EFAULT;
goto out;
}
fm_free(buf);
break;
}
case FM_IOCTL_GET_HW_INFO:{
struct fm_hw_info info;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_GET_HW_INFO\n");
ret = fm_get_hw_info(fm, &info);
if (ret) {
WCN_DBG(FM_ALT | MAIN, "get hw info failed\n");
goto out;
}
if (copy_to_user((void *)arg, &info, sizeof(struct fm_hw_info))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_GET_I2S_INFO:{
struct fm_i2s_info i2sinfo;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_GET_I2S_INFO\n");
ret = fm_get_i2s_info(fm, &i2sinfo);
if (ret) {
WCN_DBG(FM_ALT | MAIN, "get i2s info failed\n");
goto out;
}
if (copy_to_user((void *)arg, &i2sinfo, sizeof(struct fm_i2s_info))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_SETVOL:{
fm_u32 vol;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_SETVOL start\n");
if (copy_from_user(&vol, (void *)arg, sizeof(fm_u32))) {
WCN_DBG(FM_ALT | MAIN, "copy_from_user failed\n");
ret = -EFAULT;
goto out;
}
ret = fm_setvol(fm, vol);
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_SETVOL end:%d\n", vol);
break;
}
case FM_IOCTL_GETVOL:{
fm_u32 vol;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_GETVOL start\n");
ret = fm_getvol(fm, &vol);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &vol, sizeof(fm_u32))) {
ret = -EFAULT;
goto out;
}
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_GETVOL end=%d\n", vol);
break;
}
case FM_IOCTL_MUTE:{
fm_u32 bmute;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_MUTE start\n");
if (copy_from_user(&bmute, (void *)arg, sizeof(fm_u32))) {
ret = -EFAULT;
goto out;
}
ret = fm_mute(fm, bmute);
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_MUTE end-%d\n", bmute);
break;
}
case FM_IOCTL_GETRSSI:{
fm_s32 rssi = 0;
ret = fm_getrssi(fm, &rssi);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &rssi, sizeof(fm_s32))) {
ret = -EFAULT;
goto out;
}
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_GETRSSI:%d\n", rssi);
break;
}
case FM_IOCTL_RW_REG:{
struct fm_ctl_parm parm_ctl;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_RW_REG\n");
if (copy_from_user(&parm_ctl, (void *)arg, sizeof(struct fm_ctl_parm))) {
ret = -EFAULT;
goto out;
}
if (parm_ctl.rw_flag == 0) {
ret = fm_reg_write(fm, parm_ctl.addr, parm_ctl.val);
} else {
ret = fm_reg_read(fm, parm_ctl.addr, &parm_ctl.val);
}
if (ret < 0)
goto out;
if ((parm_ctl.rw_flag == 0x01) && (!ret)) {
if (copy_to_user
((void *)arg, &parm_ctl, sizeof(struct fm_ctl_parm))) {
ret = -EFAULT;
goto out;
}
}
break;
}
case FM_IOCTL_TOP_RDWR:
{
struct fm_top_rw_parm parm_ctl;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_TOP_RDWR\n");
if (copy_from_user(&parm_ctl, (void *)arg, sizeof(struct fm_top_rw_parm))) {
ret = -EFAULT;
goto out;
}
if (parm_ctl.rw_flag == 0) {
ret = fm_top_write(fm, parm_ctl.addr, parm_ctl.val);
} else {
ret = fm_top_read(fm, parm_ctl.addr, &parm_ctl.val);
}
if (ret < 0)
goto out;
if ((parm_ctl.rw_flag == 0x01) && (!ret)) {
if (copy_to_user
((void *)arg, &parm_ctl, sizeof(struct fm_top_rw_parm))) {
ret = -EFAULT;
goto out;
}
}
break;
}
case FM_IOCTL_HOST_RDWR:
{
struct fm_host_rw_parm parm_ctl;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_TOP_RDWR\n");
if (copy_from_user(&parm_ctl, (void *)arg, sizeof(struct fm_host_rw_parm))) {
ret = -EFAULT;
goto out;
}
if (parm_ctl.rw_flag == 0) {
ret = fm_host_write(fm, parm_ctl.addr, parm_ctl.val);
} else {
ret = fm_host_read(fm, parm_ctl.addr, &parm_ctl.val);
}
if (ret < 0)
goto out;
if ((parm_ctl.rw_flag == 0x01) && (!ret)) {
if (copy_to_user
((void *)arg, &parm_ctl, sizeof(struct fm_host_rw_parm))) {
ret = -EFAULT;
goto out;
}
}
break;
}
case FM_IOCTL_GETCHIPID:{
fm_u16 chipid;
ret = fm_chipid_get(fm, &chipid);
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_GETCHIPID:%04x\n", chipid);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &chipid, sizeof(fm_u16))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_GETMONOSTERO:{
fm_u16 usStereoMono;
ret = fm_monostereo_get(fm, &usStereoMono);
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_GETMONOSTERO:%04x\n", usStereoMono);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &usStereoMono, sizeof(fm_u16))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_SETMONOSTERO:{
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_SETMONOSTERO, %d\n", (fm_s32) arg);
ret = fm_monostereo_set(fm, (fm_s32) arg);
break;
}
case FM_IOCTL_GETCURPAMD:{
fm_u16 PamdLevl;
ret = fm_pamd_get(fm, &PamdLevl);
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_GETCURPAMD:%d\n", PamdLevl);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &PamdLevl, sizeof(fm_u16)))
ret = -EFAULT;
goto out;
break;
}
case FM_IOCTL_GETCAPARRAY:{
fm_s32 ca;
ret = fm_caparray_get(fm, &ca);
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_GETCAPARRAY:%d\n", ca);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &ca, sizeof(fm_s32))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_EM_TEST:{
struct fm_em_parm parm_em;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_EM_TEST\n");
if (copy_from_user(&parm_em, (void *)arg, sizeof(struct fm_em_parm))) {
ret = -EFAULT;
goto out;
}
ret =
fm_em_test(fm, parm_em.group_idx, parm_em.item_idx, parm_em.item_value);
break;
}
case FM_IOCTL_RDS_SUPPORT:{
fm_s32 support = FM_RDS_ENABLE;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_RDS_SUPPORT\n");
if (copy_to_user((void *)arg, &support, sizeof(fm_s32))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_IS_FM_POWERED_UP:{
fm_u32 powerup;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_IS_FM_POWERED_UP");
if (fm->chipon && fm_pwr_state_get(fm)) {
powerup = 1;
} else {
powerup = 0;
}
if (copy_to_user((void *)arg, &powerup, sizeof(fm_u32))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_RDS_ONOFF:{
fm_u16 rdson_off = 0;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_RDS_ONOFF start\n");
if (copy_from_user(&rdson_off, (void *)arg, sizeof(fm_u16))) {
ret = -EFAULT;
goto out;
}
ret = fm_rds_onoff(fm, rdson_off);
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_RDS_ONOFF end:%d\n", rdson_off);
break;
}
case FM_IOCTL_GETGOODBCNT:{
fm_u16 uGBLCNT = 0;
ret = fm_rds_good_bc_get(fm, &uGBLCNT);
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_GETGOODBCNT:%d\n", uGBLCNT);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &uGBLCNT, sizeof(fm_u16))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_GETBADBNT:{
fm_u16 uBadBLCNT = 0;
ret = fm_rds_bad_bc_get(fm, &uBadBLCNT);
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_GETBADBNT:%d\n", uBadBLCNT);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &uBadBLCNT, sizeof(fm_u16))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_GETBLERRATIO:{
fm_u16 uBlerRatio = 0;
ret = fm_rds_bler_ratio_get(fm, &uBlerRatio);
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_GETBLERRATIO:%d\n", uBlerRatio);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &uBlerRatio, sizeof(fm_u16))) {
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_ANA_SWITCH:{
fm_s32 antenna = -1;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_ANA_SWITCH\n");
if (copy_from_user(&antenna, (void *)arg, sizeof(fm_s32))) {
WCN_DBG(FM_ALT | MAIN, "copy from user error\n");
ret = -EFAULT;
goto out;
}
ret = fm_ana_switch(fm, antenna);
break;
}
case FM_IOCTL_RDS_GROUPCNT:{
struct rds_group_cnt_req_t gc_req;
WCN_DBG(FM_DBG | MAIN, "......FM_IOCTL_RDS_GROUPCNT......\n");
if (copy_from_user
(&gc_req, (void *)arg, sizeof(struct rds_group_cnt_req_t))) {
WCN_DBG(FM_ALT | MAIN, "copy_from_user error\n");
ret = -EFAULT;
goto out;
}
/* handle group counter request */
switch (gc_req.op) {
case RDS_GROUP_CNT_READ:
ret = fm_rds_group_cnt_get(fm, &gc_req.gc);
break;
case RDS_GROUP_CNT_WRITE:
break;
case RDS_GROUP_CNT_RESET:
ret = fm_rds_group_cnt_reset(fm);
break;
default:
break;
}
if (copy_to_user((void *)arg, &gc_req, sizeof(struct rds_group_cnt_req_t))) {
WCN_DBG(FM_ALT | MAIN, "copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_RDS_GET_LOG:{
struct rds_raw_t rds_log;
fm_s32 len;
WCN_DBG(FM_DBG | MAIN, "......FM_IOCTL_RDS_GET_LOG......\n");
/* fetch a record form RDS log buffer */
ret = fm_rds_log_get(fm, (struct rds_rx_t *)&(rds_log.data), &len);
rds_log.dirty = TRUE;
rds_log.len = (len < sizeof(rds_log.data)) ? len : sizeof(rds_log.data);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &rds_log, rds_log.len + 2 * sizeof(fm_s32))) {
WCN_DBG(FM_ALT | MAIN, "copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_RDS_BC_RST:{
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_RDS_BC_RST\n");
ret = fm_rds_block_cnt_reset(fm);
break;
}
case FM_IOCTL_I2S_SETTING:{
struct fm_i2s_setting i2s_cfg;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_I2S_SETTING\n");
if (copy_from_user(&i2s_cfg, (void *)arg, sizeof(struct fm_i2s_setting))) {
WCN_DBG(FM_ALT | MAIN, "i2s set, copy_from_user err\n");
ret = -EFAULT;
goto out;
}
ret = fm_i2s_set(fm, i2s_cfg.onoff, i2s_cfg.mode, i2s_cfg.sample);
if (ret) {
WCN_DBG(FM_ALT | MAIN, "Set i2s err\n");
goto out;
}
break;
}
case FM_IOCTL_IS_DESE_CHAN:{
fm_s32 tmp;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_IS_DESE_CHAN\n");
if (copy_from_user(&tmp, (void *)arg, sizeof(fm_s32))) {
WCN_DBG(FM_ALT | MAIN, "is dese chan, copy_from_user err\n");
ret = -EFAULT;
goto out;
}
tmp = fm_is_dese_chan(fm, (fm_u16) tmp);
if (copy_to_user((void *)arg, &tmp, sizeof(fm_s32))) {
WCN_DBG(FM_ALT | MAIN, "is dese chan, copy_to_user err\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_DESENSE_CHECK:
{
fm_desense_check_t tmp;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_IS_DESE_CHAN\n");
if (copy_from_user(&tmp, (void *)arg, sizeof(fm_desense_check_t))) {
WCN_DBG(FM_ALT | MAIN, "desene check, copy_from_user err\n");
ret = -EFAULT;
goto out;
}
ret = fm_desense_check(fm, (fm_u16) tmp.freq, tmp.rssi);
/*if (copy_to_user((void*)arg, &tmp, sizeof(fm_desense_check_t))) {
WCN_DBG(FM_ALT | MAIN, "desene check, copy_to_user err\n");
ret = -EFAULT;
goto out;
} */
break;
}
case FM_IOCTL_SCAN_GETRSSI:
{
/*struct fm_rssi_req *req;
WCN_DBG(FM_DBG | MAIN, "FM_IOCTL_SCAN_GETRSSI\n");
if(!(req = fm_vmalloc(sizeof(struct fm_rssi_req))))
{
WCN_DBG(FM_ALT | MAIN, "fm_vmalloc err\n");
ret = -EFAULT;
goto out;
}
if(copy_from_user(req, (void*)arg, sizeof(struct fm_rssi_req)))
{
WCN_DBG(FM_ALT | MAIN, "copy_from_user err\n");
ret = -EFAULT;
fm_vfree(req);
goto out;
}
ret = fm_get_rssi_after_scan(fm, req);
if(-ERR_FW_NORES == ret){
WCN_DBG(FM_ALT | MAIN, "fm_get_rssi_after_scan err\n");
}
if(copy_to_user((void*)arg, req, sizeof(struct fm_rssi_req)))
{
WCN_DBG(FM_ALT | MAIN, "copy_to_user err\n");
ret = -EFAULT;
fm_vfree(req);
goto out;
}
*/
WCN_DBG(FM_ALT | MAIN, "FM_IOCTL_SCAN_GETRSSI:not support\n");
break;
}
case FM_IOCTL_DUMP_REG:
{
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_DUMP_REG......\n");
ret = fm_dump_reg();
if (ret) {
WCN_DBG(FM_ALT | MAIN, "fm_dump_reg err\n");
}
break;
}
case FM_IOCTL_GPS_RTC_DRIFT:{
struct fm_gps_rtc_info rtc_info;
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_GPS_RTC_DRIFT......\n");
if (fm_false == fm->chipon) {
WCN_DBG(FM_ERR | MAIN, "ERROR, FM chip is OFF\n");
ret = -EFAULT;
goto out;
}
if (copy_from_user(&rtc_info, (void *)arg, sizeof(struct fm_gps_rtc_info))) {
WCN_DBG(FM_ERR | MAIN, "copy_from_user error\n");
ret = -EFAULT;
goto out;
}
ret = fm_get_gps_rtc_info(&rtc_info);
if (ret) {
WCN_DBG(FM_ERR | MAIN, "fm_get_gps_rtc_info error\n");
goto out;
}
break;
}
case FM_IOCTL_OVER_BT_ENABLE:
{
fm_s32 fm_via_bt = -1;
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_OVER_BT_ENABLE......\n");
if (copy_from_user(&fm_via_bt, (void *)arg, sizeof(int32_t))) {
WCN_DBG(FM_ERR | MAIN, "copy_from_user error\n");
ret = -EFAULT;
goto out;
}
ret = fm_over_bt(fm, fm_via_bt);
if (ret) {
WCN_DBG(FM_ERR | MAIN, "fm_over_bt err\n");
}
break;
}
case FM_IOCTL_SET_SEARCH_THRESHOLD:
{
struct fm_search_threshold_t parm;
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_SET_SEARCH_THRESHOLD......\n");
if (copy_from_user
(&parm, (void *)arg, sizeof(struct fm_search_threshold_t))) {
WCN_DBG(FM_ALT | MAIN, "copy_from_user error\n");
ret = -EFAULT;
goto out;
}
ret = fm_set_search_th(fm, parm);
if (ret < 0) {
WCN_DBG(FM_ERR | MAIN,
"FM_IOCTL_SET_SEARCH_THRESHOLD not supported\n");
}
break;
}
case FM_IOCTL_GET_AUDIO_INFO:
{
fm_audio_info_t aud_data;
ret = fm_get_aud_info(&aud_data);
if (ret) {
WCN_DBG(FM_ERR | MAIN, "fm_get_aud_info err\n");
}
if (copy_to_user((void *)arg, &aud_data, sizeof(fm_audio_info_t))) {
WCN_DBG(FM_ERR | MAIN, "copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
/***************************FM Tx function************************************/
case FM_IOCTL_TX_SUPPORT:
{
fm_s32 tx_support = -1;
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_TX_SUPPORT......\n");
ret = fm_tx_support(fm, &tx_support);
if (ret) {
WCN_DBG(FM_ERR | MAIN, "fm_tx_support err\n");
}
if (copy_to_user((void *)arg, &tx_support, sizeof(fm_s32))) {
WCN_DBG(FM_ERR | MAIN, "copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_POWERUP_TX:
{
struct fm_tune_parm parm;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_POWERUP_TX:0\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_tune_parm))) {
ret = -EFAULT;
goto out;
}
ret = fm_powerup_tx(fm, &parm);
if (ret < 0) {
goto out;
}
ret = fm_tune_tx(fm, &parm);
if (ret < 0)
goto out;
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_tune_parm))) {
ret = -EFAULT;
goto out;
}
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_POWERUP_TX:1\n");
break;
}
case FM_IOCTL_TUNE_TX:
{
struct fm_tune_parm parm;
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_TUNE_TX:0\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_tune_parm))) {
ret = -EFAULT;
goto out;
}
ret = fm_tune_tx(fm, &parm);
if (ret < 0) {
goto out;
}
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_tune_parm))) {
ret = -EFAULT;
goto out;
}
WCN_DBG(FM_NTC | MAIN, "FM_IOCTL_TUNE_TX:1\n");
break;
}
case FM_IOCTL_RDSTX_SUPPORT:
{
fm_s32 rds_tx_support = -1;
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_RDSTX_SUPPORT......\n");
ret = fm_rdstx_support(fm, &rds_tx_support);
if (ret) {
WCN_DBG(FM_ERR | MAIN, "fm_rdstx_support err\n");
}
if (copy_to_user((void *)arg, &rds_tx_support, sizeof(fm_s32))) {
WCN_DBG(FM_ERR | MAIN, "copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_RDSTX_ENABLE:
{
fm_s32 onoff = -1;
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_RDSTX_ENABLE......\n");
if (copy_from_user(&onoff, (void *)arg, sizeof(fm_s32))) {
WCN_DBG(FM_ALT | MAIN,
"FM_IOCTL_RDSTX_ENABLE, copy_from_user err\n");
ret = -EFAULT;
goto out;
}
ret = fm_rdstx_enable(fm, onoff);
if (ret) {
WCN_DBG(FM_ERR | MAIN, "fm_rdstx_enable err\n");
}
break;
}
case FM_IOCTL_RDS_TX:
{
struct fm_rds_tx_parm parm;
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_RDS_TX......\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_rds_tx_parm))) {
WCN_DBG(FM_ALT | MAIN, "RDS Tx, copy_from_user err\n");
ret = -EFAULT;
goto out;
}
ret = fm_rds_tx(fm, &parm);
if (ret) {
WCN_DBG(FM_ALT | MAIN, "fm_rds_tx err\n");
}
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_rds_tx_parm))) {
WCN_DBG(FM_ALT | MAIN, "RDS Tx, copy_to_user err\n");
ret = -EFAULT;
goto out;
}
break;
}
case FM_IOCTL_TX_SCAN:
{
struct fm_tx_scan_parm parm;
WCN_DBG(FM_NTC | MAIN, "......FM_IOCTL_TX_SCAN......\n");
if (copy_from_user(&parm, (void *)arg, sizeof(struct fm_tx_scan_parm))) {
WCN_DBG(FM_ALT | MAIN, "copy_from_user error\n");
ret = -EFAULT;
goto out;
}
ret = fm_tx_scan(fm, &parm);
if (ret < 0) {
WCN_DBG(FM_ERR | MAIN, "FM_IOCTL_TX_SCAN failed\n");
}
if (copy_to_user((void *)arg, &parm, sizeof(struct fm_tx_scan_parm))) {
WCN_DBG(FM_ALT | MAIN, "copy_to_user error\n");
ret = -EFAULT;
goto out;
}
break;
}
default:
ret = -EPERM;
}
out:
if (ret == -FM_EFW) {
/* subsystem reset */
fm_subsys_reset(fm);
}
return ret;
}
static loff_t fm_ops_lseek(struct file *filp, loff_t off, fm_s32 whence)
{
struct fm *fm = filp->private_data;
if (whence == SEEK_END) {
fm_hwscan_stop(fm);
} else if (whence == SEEK_SET) {
FM_EVENT_SEND(fm->rds_event, FM_RDS_DATA_READY);
}
return off;
}
static ssize_t fm_ops_read(struct file *filp, char *buf, size_t len, loff_t *off)
{
struct fm *fm = filp->private_data;
fm_s32 copy_len = 0;
if (!fm) {
WCN_DBG(FM_ALT | MAIN, "fm_read invalid fm pointer\n");
return 0;
}
if (!buf || len < sizeof(rds_t)) {
WCN_DBG(FM_DBG | MAIN, "fm_read invliad buf\n");
return 0;
}
/* return if FM is resetting */
if (fm_sys_state_get(fm) != FM_SUBSYS_RST_OFF) {
WCN_DBG(FM_ALT | MAIN, "fm subsys underring reset\n");
return 0;
}
copy_len = sizeof(rds_t);
return fm_rds_read(fm, buf, copy_len);
}
static fm_s32 fm_ops_open(struct inode *inode, struct file *filp)
{
fm_s32 ret = 0;
struct fm_platform *plat = container_of(inode->i_cdev, struct fm_platform, cdev);
struct fm *fm = container_of(plat, struct fm, platform);
WCN_DBG(FM_NTC | MAIN, "fm_ops_open:0\n");
if (fm_sys_state_get(fm) != FM_SUBSYS_RST_OFF) {
WCN_DBG(FM_ALT | MAIN, "FM subsys is resetting, retry later\n");
ret = -FM_ESRST;
return ret;
}
ret = fm_open(fm);
filp->private_data = fm;
WCN_DBG(FM_NTC | MAIN, "fm_ops_open:1\n");
return ret;
}
static fm_s32 fm_ops_release(struct inode *inode, struct file *filp)
{
/* fm_s32 ret = 0; */
/* struct fm_platform *plat = container_of(inode->i_cdev, struct fm_platform, cdev); */
/* struct fm *fm = container_of(plat, struct fm, platform); */
/* WCN_DBG(FM_NTC | MAIN, "fm_ops_release:0\n"); */
/* fm_close(fm); */
filp->private_data = NULL;
WCN_DBG(FM_NTC | MAIN, "fm_ops_release\n");
return 0;
}
static fm_s32 fm_ops_flush(struct file *filp, fl_owner_t Id)
{
fm_s32 ret = 0;
struct fm *fm = filp->private_data;
WCN_DBG(FM_NTC | MAIN, "fm_ops_flush:0\n");
fm_close(fm);
filp->private_data = fm;
WCN_DBG(FM_NTC | MAIN, "fm_ops_flush:1\n");
return ret;
}
static ssize_t fm_proc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
struct fm *fm = g_fm;
ssize_t length = 0;
char tmpbuf[3];
unsigned long pos = *ppos;
WCN_DBG(FM_NTC | MAIN, "Enter fm_proc_read.\n");
/* WCN_DBG(FM_NTC | MAIN, "count = %d\n", count); */
/* WCN_DBG(FM_NTC | MAIN, "ppos = %d\n", pos); */
if (pos != 0)
return 0;
if (!fm) {
WCN_DBG(FM_ALT | MAIN, "para err\n");
return 0;
}
if (fm->chipon && (fm_pwr_state_get(fm) == FM_PWR_RX_ON)) {
length = sprintf(tmpbuf, "1\n");
WCN_DBG(FM_NTC | MAIN, " FM_PWR_RX_ON\n");
} else if (fm->chipon && (fm_pwr_state_get(fm) == FM_PWR_TX_ON)) {
length = sprintf(tmpbuf, "2\n");
WCN_DBG(FM_NTC | MAIN, " FM_PWR_TX_ON\n");
} else {
length = sprintf(tmpbuf, "0\n");
WCN_DBG(FM_NTC | MAIN, " FM POWER OFF\n");
}
if (copy_to_user(buf, tmpbuf, length)) {
WCN_DBG(FM_NTC | MAIN, " Read FM status fail!\n");
return 0;
}
pos += length;
*ppos = pos;
WCN_DBG(FM_NTC | MAIN, "Leave fm_proc_read. length = %d\n", length);
return length;
}
/*
static fm_s32 fm_proc_read(char *page, char **start, off_t off, fm_s32 count, fm_s32 *eof, void *data)
{
fm_s32 cnt = 0;
struct fm *fm = g_fm;
WCN_DBG(FM_NTC | MAIN, "Enter fm_proc_read.\n");
if (off != 0)
return 0;
if (!fm) {
WCN_DBG(FM_ALT | MAIN, "para err\n");
return 0;
}
if (fm->chipon && (fm_pwr_state_get(fm) == FM_PWR_RX_ON))
{
cnt = sprintf(page, "1\n");
WCN_DBG(FM_NTC | MAIN, " FM_PWR_RX_ON\n");
}
else if (fm->chipon && (fm_pwr_state_get(fm) == FM_PWR_TX_ON))
{
WCN_DBG(FM_NTC | MAIN, " FM_PWR_TX_ON\n");
cnt = sprintf(page, "2\n");
}
else
{
cnt = sprintf(page, "0\n");
}
*eof = 1;
WCN_DBG(FM_NTC | MAIN, "Leave fm_proc_read. cnt = %d\n", cnt);
return cnt;
}
*/
static ssize_t fm_proc_write(struct file *file, const char *buffer, size_t count, loff_t *ppos)
{
fm_s8 tmp_buf[50] = { 0 };
fm_u32 copysize;
copysize = (count < (sizeof(tmp_buf) - 1)) ? count : (sizeof(tmp_buf) - 1);
WCN_DBG(FM_NTC | MAIN, "fm_proc_write:0\n");
if (copy_from_user(tmp_buf, buffer, copysize)) {
WCN_DBG(FM_ERR | MAIN, "failed copy_from_user\n");
return -EFAULT;
}
if (strncmp(tmp_buf, "subsys reset", strlen("subsys reset")) == 0) {
fm_subsys_reset(g_fm);
return count;
}
if (!fm_cust_config_setup(tmp_buf)) {
WCN_DBG(FM_NTC | MAIN, "get config form %s ok\n", tmp_buf);
return count;
}
if (sscanf(tmp_buf, "%x", &g_dbg_level) != 1) {
WCN_DBG(FM_ERR | MAIN, "failed g_dbg_level = 0x%x\n", g_dbg_level);
return -EFAULT;
}
WCN_DBG(FM_NTC | MAIN, "fm_proc_write:1 g_dbg_level = 0x%x\n", g_dbg_level);
return count;
}
#define FM_DEV_STATIC_ALLOC
#define FM_DEV_MAJOR 193
static int FM_major = FM_DEV_MAJOR; /* dynamic allocation */
static fm_s32 fm_cdev_setup(struct fm *fm)
{
fm_s32 ret = 0;
struct fm_platform *plat = &fm->platform;
#ifdef FM_DEV_STATIC_ALLOC
/*static allocate chrdev */
plat->dev_t = MKDEV(FM_major, 0);
ret = register_chrdev_region(plat->dev_t, 1, FM_NAME);
if (ret) {
WCN_DBG(FM_ERR | MAIN, "%s():fail to register chrdev\n", __func__);
return ret;
}
#endif
#ifndef FM_DEV_STATIC_ALLOC
ret = alloc_chrdev_region(&plat->dev_t, 0, 1, FM_NAME);
if (ret) {
WCN_DBG(FM_ALT | MAIN, "alloc dev_t failed\n");
return ret;
}
#endif
WCN_DBG(FM_NTC | MAIN, "alloc %s:%d:%d\n", FM_NAME, MAJOR(plat->dev_t), MINOR(plat->dev_t));
cdev_init(&plat->cdev, &fm_ops);
plat->cdev.owner = THIS_MODULE;
plat->cdev.ops = &fm_ops;
ret = cdev_add(&plat->cdev, plat->dev_t, 1);
if (ret) {
WCN_DBG(FM_ALT | MAIN, "add dev_t failed\n");
return ret;
}
#ifndef FM_DEV_STATIC_ALLOC
plat->cls = class_create(THIS_MODULE, FM_NAME);
if (IS_ERR(plat->cls)) {
ret = PTR_ERR(plat->cls);
WCN_DBG(FM_ALT | MAIN, "class_create err:%d\n", ret);
return ret;
}
plat->dev = device_create(plat->cls, NULL, plat->dev_t, NULL, FM_NAME);
#endif
return ret;
}
static fm_s32 fm_cdev_destroy(struct fm *fm)
{
FMR_ASSERT(fm);
device_destroy(fm->platform.cls, fm->platform.dev_t);
class_destroy(fm->platform.cls);
cdev_del(&fm->platform.cdev);
unregister_chrdev_region(fm->platform.dev_t, 1);
return 0;
}
static fm_s32 fm_mod_init(fm_u32 arg)
{
fm_s32 ret = 0;
struct fm *fm = NULL;
fm = fm_dev_init(0);
if (!fm) {
ret = -ENOMEM;
goto ERR_EXIT;
}
if ((ret = fm_cdev_setup(fm))) {
goto ERR_EXIT;
}
/* fm proc file create "/proc/fm" */
g_fm_proc = proc_create(FM_PROC_FILE, 0444, NULL, &fm_proc_ops);
if (g_fm_proc == NULL) {
WCN_DBG(FM_ALT | MAIN, "create_proc_entry failed\n");
ret = -ENOMEM;
goto ERR_EXIT;
} else {
WCN_DBG(FM_NTC | MAIN, "create_proc_entry success\n");
}
g_fm = fm;
return 0;
ERR_EXIT:
if (fm) {
fm_cdev_destroy(fm);
fm_dev_destroy(fm);
}
remove_proc_entry(FM_PROC_FILE, NULL);
return ret;
}
static fm_s32 fm_mod_destroy(struct fm *fm)
{
fm_s32 ret = 0;
FMR_ASSERT(fm);
WCN_DBG(FM_NTC | MAIN, "%s\n", __func__);
remove_proc_entry(FM_PROC_FILE, NULL);
fm_cdev_destroy(fm);
fm_dev_destroy(fm);
return ret;
}
static fm_s32 mt_fm_probe(struct platform_device *pdev)
{
fm_s32 ret = 0;
WCN_DBG(FM_NTC | MAIN, "%s\n", __func__);
ret = fm_mod_init(0);
if (ret) {
WCN_DBG(FM_ERR | MAIN, "fm mod init err\n");
return -ENOMEM;
}
return ret;
}
static fm_s32 mt_fm_remove(struct platform_device *pdev)
{
WCN_DBG(FM_NTC | MAIN, "%s\n", __func__);
fm_mod_destroy(g_fm);
g_fm = NULL;
return 0;
}
static struct platform_device mt_fm_device = {
.name = FM_NAME,
.id = -1,
};
/* platform driver entry */
static struct platform_driver mt_fm_dev_drv = {
.probe = mt_fm_probe,
.remove = mt_fm_remove,
.driver = {
.name = FM_NAME,
.owner = THIS_MODULE,
}
};
static fm_s32 mt_fm_init(void)
{
fm_s32 ret = 0;
ret = fm_env_setup();
if (ret) {
fm_env_destroy();
return ret;
}
/* register fm device to platform bus */
ret = platform_device_register(&mt_fm_device);
if (ret) {
return ret;
}
/* register fm driver to platform bus */
ret = platform_driver_register(&mt_fm_dev_drv);
if (ret) {
return ret;
}
WCN_DBG(FM_NTC | MAIN, "6. fm platform driver registered\n");
return ret;
}
static void mt_fm_exit(void)
{
platform_driver_unregister(&mt_fm_dev_drv);
fm_env_destroy();
}
#ifdef MTK_WCN_REMOVE_KERNEL_MODULE
int mtk_wcn_fm_init(void)
{
return mt_fm_init();
}
void mtk_wcn_fm_exit(void)
{
mt_fm_exit();
}
EXPORT_SYMBOL(mtk_wcn_fm_init);
EXPORT_SYMBOL(mtk_wcn_fm_exit);
#else
module_init(mt_fm_init);
module_exit(mt_fm_exit);
#endif
EXPORT_SYMBOL(g_dbg_level);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MediaTek FM Driver");
MODULE_AUTHOR("Hongcheng <hongcheng.xia@MediaTek.com>");