116 files changed, 25845 insertions, 36303 deletions
diff --git a/drivers/stream_input/tv_frontend/dtv_demod/amlfrontend.c b/drivers/stream_input/tv_frontend/dtv_demod/amlfrontend.c deleted file mode 100644 index 357b6db..0000000 --- a/drivers/stream_input/tv_frontend/dtv_demod/amlfrontend.c +++ b/dev/null @@ -1,1402 +0,0 @@ -/***************************************************************** - ** - ** Copyright (C) 2009 Amlogic,Inc. - ** All rights reserved - ** Filename : amlfrontend.c - ** - ** comment: - ** Driver for m6_demod demodulator - ** author : - ** Shijie.Rong@amlogic - ** version : - ** v1.0 12/3/13 - ** v2.0 15/10/12 - **************************************************************** - */ - -/* - * Driver for gxtv_demod demodulator - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/delay.h> -#include <linux/jiffies.h> -#include <linux/slab.h> -#include <linux/platform_device.h> -#ifdef ARC_700 -#include <asm/arch/am_regs.h> -#else -/* #include <mach/am_regs.h> */ -#endif -#include <linux/i2c.h> -#include <linux/gpio.h> -#include "../aml_fe.h" - -#include <linux/dma-contiguous.h> -#include <linux/dvb/aml_demod.h> -#include "demod_func.h" -#include "../aml_dvb.h" -#include "amlfrontend.h" - -MODULE_PARM_DESC(debug_aml, "\n\t\t Enable frontend debug information"); -static int debug_aml; -module_param(debug_aml, int, 0644); - -#define pr_dbg(a ...) \ - do { \ - if (debug_aml) { \ - printk(a); \ - } \ - } while (0) -#define pr_error(fmt, args ...) pr_err("GXTV_DEMOD: "fmt, ## args) -#define pr_inf(fmt, args...) pr_err("GXTV_DEMOD: " fmt, ## args) - -static int last_lock = -1; -#define DEMOD_DEVICE_NAME "gxtv_demod" -static int cci_thread; -static int freq_dvbc; -static struct aml_demod_sta demod_status; -static fe_modulation_t atsc_mode = VSB_8; - -long *mem_buf; - -MODULE_PARM_DESC(frontend_mode, "\n\t\t Frontend mode 0-DVBC, 1-DVBT"); -static int frontend_mode = -1; -module_param(frontend_mode, int, 0444); - -MODULE_PARM_DESC(frontend_i2c, "\n\t\t IIc adapter id of frontend"); -static int frontend_i2c = -1; -module_param(frontend_i2c, int, 0444); - -MODULE_PARM_DESC(frontend_tuner, - "\n\t\t Frontend tuner type 0-NULL, 1-DCT7070, 2-Maxliner, 3-FJ2207, 4-TD1316"); -static int frontend_tuner = -1; -module_param(frontend_tuner, int, 0444); - -MODULE_PARM_DESC(frontend_tuner_addr, "\n\t\t Tuner IIC address of frontend"); -static int frontend_tuner_addr = -1; -module_param(frontend_tuner_addr, int, 0444); -static int autoflags, autoFlagsTrig; -static struct mutex aml_lock; - -static int Gxtv_Demod_Dvbc_Init(struct aml_fe_dev *dev, int mode); - -static ssize_t dvbc_auto_sym_show(struct class *cls, - struct class_attribute *attr, char *buf) -{ - return sprintf(buf, "dvbc_autoflags: %s\n", autoflags ? "on" : "off"); -} - -static ssize_t dvbc_auto_sym_store(struct class *cls, - struct class_attribute *attr, - const char *buf, size_t count) -{ - - return 0; -} - -static unsigned int dtmb_mode; - -enum { - DTMB_READ_STRENGTH = 0, - DTMB_READ_SNR = 1, - DTMB_READ_LOCK = 2, - DTMB_READ_BCH = 3, -}; - - - -int convert_snr(int in_snr) -{ - int out_snr; - static int calce_snr[40] = { - 5, 6, 8, 10, 13, - 16, 20, 25, 32, 40, - 50, 63, 80, 100, 126, - 159, 200, 252, 318, 400, - 504, 634, 798, 1005, 1265, - 1592, 2005, 2524, 3177, 4000, - 5036, 6340, 7981, 10048, 12649, - 15924, 20047, 25238, 31773, 40000}; - for (out_snr = 1 ; out_snr <= 40; out_snr++) - if (in_snr <= calce_snr[out_snr]) - break; - - return out_snr; -} - - -static ssize_t dtmb_para_show(struct class *cls, - struct class_attribute *attr, char *buf) -{ - int snr, lock_status, bch, agc_if_gain; - struct dvb_frontend *dvbfe; - int strength = 0; - - if (dtmb_mode == DTMB_READ_STRENGTH) { - dvbfe = get_si2177_tuner(); - if (dvbfe != NULL) - if (dvbfe->ops.tuner_ops.get_strength) { - strength = - dvbfe->ops.tuner_ops.get_strength(dvbfe); - } - if (strength <= -56) { - agc_if_gain = - ((dtmb_read_reg(DTMB_TOP_FRONT_AGC))&0x3ff); - strength = dtmb_get_power_strength(agc_if_gain); - } - return sprintf(buf, "strength is %d\n", strength); - } else if (dtmb_mode == DTMB_READ_SNR) { - snr = dtmb_read_reg(DTMB_TOP_FEC_LOCK_SNR) & 0x3fff; - snr = convert_snr(snr); - return sprintf(buf, "snr is %d\n", snr); - } else if (dtmb_mode == DTMB_READ_LOCK) { - lock_status = - (dtmb_read_reg(DTMB_TOP_FEC_LOCK_SNR) >> 14) & 0x1; - return sprintf(buf, "lock_status is %d\n", lock_status); - } else if (dtmb_mode == DTMB_READ_BCH) { - bch = dtmb_read_reg(DTMB_TOP_FEC_BCH_ACC); - return sprintf(buf, "bch is %d\n", bch); - } else { - return sprintf(buf, "dtmb_para_show can't match mode\n"); - } -} - - - -static ssize_t dtmb_para_store(struct class *cls, - struct class_attribute *attr, - const char *buf, size_t count) -{ - if (buf[0] == '0') - dtmb_mode = DTMB_READ_STRENGTH; - else if (buf[0] == '1') - dtmb_mode = DTMB_READ_SNR; - else if (buf[0] == '2') - dtmb_mode = DTMB_READ_LOCK; - else if (buf[0] == '3') - dtmb_mode = DTMB_READ_BCH; - - return count; -} - -static int readregdata; - -static ssize_t dvbc_reg_show(struct class *cls, struct class_attribute *attr, - char *buf) -{ -/* int readregaddr=0;*/ - char *pbuf = buf; - - pbuf += sprintf(pbuf, "%x", readregdata); - - pr_dbg("read dvbc_reg\n"); - return pbuf - buf; -} - -static ssize_t dvbc_reg_store(struct class *cls, struct class_attribute *attr, - const char *buf, size_t count) -{ - return 0; -} - -static CLASS_ATTR(auto_sym, 0644, dvbc_auto_sym_show, dvbc_auto_sym_store); -static CLASS_ATTR(dtmb_para, 0644, dtmb_para_show, dtmb_para_store); -static CLASS_ATTR(dvbc_reg, 0644, dvbc_reg_show, dvbc_reg_store); - -#if 0 -static irqreturn_t amdemod_isr(int irq, void *data) -{ -/* struct aml_fe_dev *state = data; - * - * #define dvb_isr_islock() (((frontend_mode==0)&&dvbc_isr_islock()) \ - * ||((frontend_mode==1)&&dvbt_isr_islock())) - * #define dvb_isr_monitor() do {\ - * if(frontend_mode==1) dvbt_isr_monitor(); }while(0) - * #define dvb_isr_cancel() do { if(frontend_mode==1) dvbt_isr_cancel(); \ - * else if(frontend_mode==0) dvbc_isr_cancel();}while(0) - * - * dvb_isr_islock(); - * { - * if(waitqueue_active(&state->lock_wq)) - * wake_up_interruptible(&state->lock_wq); - * } - * - * dvb_isr_monitor(); - * - * dvb_isr_cancel(); - */ - - return IRQ_HANDLED; -} -#endif - -static int install_isr(struct aml_fe_dev *state) -{ - int r = 0; - - /* hook demod isr */ -/* pr_dbg("amdemod irq register[IRQ(%d)].\n", INT_DEMOD); - * r = request_irq(INT_DEMOD, &amdemod_isr, - * IRQF_SHARED, "amldemod", - * (void *)state); - * if (r) { - * pr_error("amdemod irq register error.\n"); - * } - */ - return r; -} - - -static int amdemod_qam(fe_modulation_t qam) -{ - switch (qam) { - case QAM_16: - return 0; - case QAM_32: - return 1; - case QAM_64: - return 2; - case QAM_128: - return 3; - case QAM_256: - return 4; - case VSB_8: - return 5; - case QAM_AUTO: - return 6; - default: - return 2; - } - return 2; -} - -static int amdemod_stat_islock(struct aml_fe_dev *dev, int mode) -{ - struct aml_demod_sts demod_sts; - int lock_status; - int dvbt_status1; - - if (mode == 0) { - /*DVBC*/ - /*dvbc_status(state->sta, state->i2c, &demod_sts);*/ - demod_sts.ch_sts = apb_read_reg(QAM_BASE + 0x18); - return demod_sts.ch_sts & 0x1; - } else if (mode == 1) { - /*DVBT*/ - dvbt_status1 = - ((apb_read_reg(DVBT_BASE + (0x0a << 2)) >> 20) & 0x3ff); - lock_status = (apb_read_reg(DVBT_BASE + (0x2a << 2))) & 0xf; - if ((((lock_status) == 9) || ((lock_status) == 10)) - && ((dvbt_status1) != 0)) - return 1; - else - return 0; - /*((apb_read_reg(DVBT_BASE+0x0)>>12)&0x1);// - * dvbt_get_status_ops()->get_status(&demod_sts, &demod_sta); - */ - } else if (mode == 2) { - /*ISDBT*/ - /*return dvbt_get_status_ops()->get_status - * (demod_sts, demod_sta); - */ - } else if (mode == 3) { - /*ATSC*/ - if ((atsc_mode == QAM_64) || (atsc_mode == QAM_256)) - return (atsc_read_iqr_reg() >> 16) == 0x1f; - else if (atsc_mode == VSB_8) - return atsc_read_reg(0x0980) == 0x79; - else - return (atsc_read_iqr_reg() >> 16) == 0x1f; - } else if (mode == 4) { - /*DTMB*/ - /* pr_dbg("DTMB lock status is %u\n", - * ((dtmb_read_reg(DTMB_BASE + (0x0e3 << 2)) >> 14) & - * 0x1)); - */ - return (dtmb_read_reg(DTMB_BASE + (0x0e3 << 2)) >> 14) & 0x1; - } - return 0; -} - -#define amdemod_dvbc_stat_islock(dev) amdemod_stat_islock((dev), 0) -#define amdemod_dvbt_stat_islock(dev) amdemod_stat_islock((dev), 1) -#define amdemod_isdbt_stat_islock(dev) amdemod_stat_islock((dev), 2) -#define amdemod_atsc_stat_islock(dev) amdemod_stat_islock((dev), 3) -#define amdemod_dtmb_stat_islock(dev) amdemod_stat_islock((dev), 4) - -static int gxtv_demod_dvbc_set_qam_mode(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct aml_demod_dvbc param; /*mode 0:16, 1:32, 2:64, 3:128, 4:256*/ - - memset(¶m, 0, sizeof(param)); - param.mode = amdemod_qam(c->modulation); - dvbc_set_qam_mode(param.mode); - return 0; -} - -static void gxtv_demod_dvbc_release(struct dvb_frontend *fe) -{ -/* - * struct aml_fe_dev *state = fe->demodulator_priv; - * - * uninstall_isr(state); - * - * kfree(state); - */ -} - -static int gxtv_demod_dvbc_read_status - (struct dvb_frontend *fe, fe_status_t *status) -{ -/* struct aml_fe_dev *dev = afe->dtv_demod;*/ - struct aml_demod_sts demod_sts; -/* struct aml_demod_sta demod_sta;*/ -/* struct aml_demod_i2c demod_i2c;*/ - int ilock; - - demod_sts.ch_sts = apb_read_reg(QAM_BASE + 0x18); -/* dvbc_status(&demod_sta, &demod_i2c, &demod_sts);*/ - if (demod_sts.ch_sts & 0x1) { - ilock = 1; - *status = - FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC; - } else { - ilock = 0; - *status = FE_TIMEDOUT; - } - if (last_lock != ilock) { - pr_error("%s.\n", - ilock ? "!! >> LOCK << !!" : "!! >> UNLOCK << !!"); - last_lock = ilock; - } - - return 0; -} - -static int gxtv_demod_dvbc_read_ber(struct dvb_frontend *fe, u32 *ber) -{ - /*struct aml_fe_dev *dev = afe->dtv_demod;*/ - struct aml_demod_sts demod_sts; - struct aml_demod_i2c demod_i2c; - struct aml_demod_sta demod_sta; - - dvbc_status(&demod_sta, &demod_i2c, &demod_sts); - *ber = demod_sts.ch_ber; - return 0; -} - -static int gxtv_demod_dvbc_read_signal_strength - (struct dvb_frontend *fe, u16 *strength) -{ - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; - - *strength = 256 - tuner_get_ch_power(dev); - - return 0; -} - -static int gxtv_demod_dvbc_read_snr(struct dvb_frontend *fe, u16 *snr) -{ - struct aml_demod_sts demod_sts; - struct aml_demod_i2c demod_i2c; - struct aml_demod_sta demod_sta; - - dvbc_status(&demod_sta, &demod_i2c, &demod_sts); - *snr = demod_sts.ch_snr / 100; - return 0; -} - -static int gxtv_demod_dvbc_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) -{ - *ucblocks = 0; - return 0; -} - -/*extern int aml_fe_analog_set_frontend(struct dvb_frontend *fe);*/ - -static int gxtv_demod_dvbc_set_frontend(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct aml_demod_dvbc param; /*mode 0:16, 1:32, 2:64, 3:128, 4:256*/ - struct aml_demod_sts demod_sts; - struct aml_demod_i2c demod_i2c; - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; - int error, times; - - demod_i2c.tuner = dev->drv->id; - demod_i2c.addr = dev->i2c_addr; - times = 2; - memset(¶m, 0, sizeof(param)); - param.ch_freq = c->frequency / 1000; - param.mode = amdemod_qam(c->modulation); - param.symb_rate = c->symbol_rate / 1000; - if ((param.mode == 3) && (demod_status.tmp != Adc_mode)) { - Gxtv_Demod_Dvbc_Init(dev, Adc_mode); - pr_dbg("Gxtv_Demod_Dvbc_Init,Adc_mode\n"); - } else { - /*Gxtv_Demod_Dvbc_Init(dev,Cry_mode);*/ - } - if (autoflags == 0) { - /*pr_dbg("QAM_TUNING mode\n");*/ - /*flag=0;*/ - } - if ((autoflags == 1) && (autoFlagsTrig == 0) - && (freq_dvbc == param.ch_freq)) { - pr_dbg("now is auto symbrating\n"); - return 0; - } - autoFlagsTrig = 0; - last_lock = -1; - pr_dbg("[gxtv_demod_dvbc_set_frontend]PARA\t" - "demod_i2c.tuner is %d||||demod_i2c.addr is %d||||\t" - "param.ch_freq is %d||||param.symb_rate is %d,\t" - "param.mode is %d\n", - demod_i2c.tuner, demod_i2c.addr, param.ch_freq, - param.symb_rate, param.mode); -retry: - aml_dmx_before_retune(afe->ts, fe); - aml_fe_analog_set_frontend(fe); - dvbc_set_ch(&demod_status, &demod_i2c, ¶m); - if (autoflags == 1) { - pr_dbg("QAM_PLAYING mode,start auto sym\n"); - dvbc_set_auto_symtrack(); - /* flag=1;*/ - } -/*rsj_debug*/ - - dvbc_status(&demod_status, &demod_i2c, &demod_sts); - freq_dvbc = param.ch_freq; - - times--; - if (amdemod_dvbc_stat_islock(dev) && times) { - int lock; - - aml_dmx_start_error_check(afe->ts, fe); - msleep(20); - error = aml_dmx_stop_error_check(afe->ts, fe); - lock = amdemod_dvbc_stat_islock(dev); - if ((error > 200) || !lock) { - pr_error - ("amlfe too many error, error count:%d\t" - "lock statuc:%d, retry\n", - error, lock); - goto retry; - } - } - - aml_dmx_after_retune(afe->ts, fe); - - afe->params = *c; -/* afe->params.frequency = c->frequency; - * afe->params.u.qam.symbol_rate = c->symbol_rate; - * afe->params.u.qam.modulation = c->modulation; - */ - - pr_dbg("AML amldemod => frequency=%d,symbol_rate=%d\r\n", c->frequency, - c->symbol_rate); - return 0; -} - -static int gxtv_demod_dvbc_get_frontend(struct dvb_frontend *fe) -{ /*these content will be writed into eeprom .*/ - struct aml_fe *afe = fe->demodulator_priv; - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int qam_mode; - - qam_mode = apb_read_reg(QAM_BASE + 0x008); - afe->params.modulation = (qam_mode & 7) + 1; - pr_dbg("[mode] is %d\n", afe->params.modulation); - - *c = afe->params; -/* c->modulation= afe->params.u.qam.modulation; - * c->frequency= afe->params.frequency; - * c->symbol_rate= afe->params.u.qam.symbol_rate; - */ - return 0; -} - -static int Gxtv_Demod_Dvbc_Init(struct aml_fe_dev *dev, int mode) -{ - struct aml_demod_sys sys; - struct aml_demod_i2c i2c; - - pr_dbg("AML Demod DVB-C init\r\n"); - memset(&sys, 0, sizeof(sys)); - memset(&i2c, 0, sizeof(i2c)); - i2c.tuner = dev->drv->id; - i2c.addr = dev->i2c_addr; - /* 0 -DVBC, 1-DVBT, ISDBT, 2-ATSC*/ - demod_status.dvb_mode = Gxtv_Dvbc; - - if (mode == Adc_mode) { - sys.adc_clk = Adc_Clk_25M; - sys.demod_clk = Demod_Clk_200M; - demod_status.tmp = Adc_mode; - } else { - sys.adc_clk = Adc_Clk_24M; - sys.demod_clk = Demod_Clk_72M; - demod_status.tmp = Cry_mode; - } - demod_status.ch_if = Si2176_5M_If * 1000; - pr_dbg("[%s]adc_clk is %d,demod_clk is %d\n", __func__, sys.adc_clk, - sys.demod_clk); - autoFlagsTrig = 0; - demod_set_sys(&demod_status, &i2c, &sys); - return 0; -} - -static void gxtv_demod_dvbt_release(struct dvb_frontend *fe) -{ -/* - * struct aml_fe_dev *state = fe->demodulator_priv; - * - * uninstall_isr(state); - * - * kfree(state); - */ -} - -static int gxtv_demod_dvbt_read_status - (struct dvb_frontend *fe, fe_status_t *status) -{ -/* struct aml_fe *afe = fe->demodulator_priv;*/ - struct aml_demod_i2c demod_i2c; - struct aml_demod_sta demod_sta; - int ilock; - unsigned char s = 0; - - s = dvbt_get_status_ops()->get_status(&demod_sta, &demod_i2c); - if (s == 1) { - ilock = 1; - *status = - FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC; - } else { - ilock = 0; - *status = FE_TIMEDOUT; - } - if (last_lock != ilock) { - pr_error("%s.\n", - ilock ? "!! >> LOCK << !!" : "!! >> UNLOCK << !!"); - last_lock = ilock; - } - - return 0; -} - -static int gxtv_demod_dvbt_read_ber(struct dvb_frontend *fe, u32 *ber) -{ -/* struct aml_fe *afe = fe->demodulator_priv;*/ - struct aml_demod_i2c demod_i2c; - struct aml_demod_sta demod_sta; - - *ber = dvbt_get_status_ops()->get_ber(&demod_sta, &demod_i2c) & 0xffff; - return 0; -} - -static int gxtv_demod_dvbt_read_signal_strength - (struct dvb_frontend *fe, u16 *strength) -{ - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; - - *strength = 256 - tuner_get_ch_power(dev); - pr_dbg("[RSJ]tuner strength is %d dbm\n", *strength); - return 0; -} - -static int gxtv_demod_dvbt_read_snr(struct dvb_frontend *fe, u16 *snr) -{ -/* struct aml_fe *afe = fe->demodulator_priv;*/ -/* struct aml_demod_sts demod_sts;*/ - struct aml_demod_i2c demod_i2c; - struct aml_demod_sta demod_sta; - - *snr = dvbt_get_status_ops()->get_snr(&demod_sta, &demod_i2c); - *snr /= 8; - pr_dbg("[RSJ]snr is %d dbm\n", *snr); - return 0; -} - -static int gxtv_demod_dvbt_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) -{ - *ucblocks = 0; - return 0; -} - -static int gxtv_demod_dvbt_set_frontend(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - /*struct aml_demod_sts demod_sts;*/ - struct aml_demod_i2c demod_i2c; - int error, times; - struct aml_demod_dvbt param; - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; - - demod_i2c.tuner = dev->drv->id; - demod_i2c.addr = dev->i2c_addr; - - times = 2; - - /*////////////////////////////////////*/ - /* bw == 0 : 8M*/ - /* 1 : 7M*/ - /* 2 : 6M*/ - /* 3 : 5M*/ - /* agc_mode == 0: single AGC*/ - /* 1: dual AGC*/ - /*////////////////////////////////////*/ - memset(¶m, 0, sizeof(param)); - param.ch_freq = c->frequency / 1000; - param.bw = c->bandwidth_hz; - param.agc_mode = 1; - /*ISDBT or DVBT : 0 is QAM, 1 is DVBT, 2 is ISDBT, - * 3 is DTMB, 4 is ATSC - */ - param.dat0 = 1; - last_lock = -1; - -retry: - aml_dmx_before_retune(AM_TS_SRC_TS2, fe); - aml_fe_analog_set_frontend(fe); - dvbt_set_ch(&demod_status, &demod_i2c, ¶m); - - /* for(count=0;count<10;count++){ - * if(amdemod_dvbt_stat_islock(dev)){ - * pr_dbg("first lock success\n"); - * break; - * } - * - * msleep(200); - * } - */ -/*rsj_debug*/ - -/**/ - - times--; - if (amdemod_dvbt_stat_islock(dev) && times) { - int lock; - - aml_dmx_start_error_check(AM_TS_SRC_TS2, fe); - msleep(20); - error = aml_dmx_stop_error_check(AM_TS_SRC_TS2, fe); - lock = amdemod_dvbt_stat_islock(dev); - if ((error > 200) || !lock) { - pr_error - ("amlfe too many error,\t" - "error count:%d lock statuc:%d, retry\n", - error, lock); - goto retry; - } - } - - aml_dmx_after_retune(AM_TS_SRC_TS2, fe); - - afe->params = *c; - - /*pr_dbg("AML amldemod => frequency=%d,symbol_rate=%d\r\n", - * p->frequency,p->u.qam.symbol_rate); - */ - return 0; -} - -static int gxtv_demod_dvbt_get_frontend(struct dvb_frontend *fe) -{ /*these content will be writed into eeprom .*/ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct aml_fe *afe = fe->demodulator_priv; - - *c = afe->params; - return 0; -} - -int Gxtv_Demod_Dvbt_Init(struct aml_fe_dev *dev) -{ - struct aml_demod_sys sys; - struct aml_demod_i2c i2c; - - pr_dbg("AML Demod DVB-T init\r\n"); - - memset(&sys, 0, sizeof(sys)); - memset(&i2c, 0, sizeof(i2c)); - memset(&demod_status, 0, sizeof(demod_status)); - i2c.tuner = dev->drv->id; - i2c.addr = dev->i2c_addr; - /* 0 -DVBC, 1-DVBT, ISDBT, 2-ATSC*/ - demod_status.dvb_mode = Gxtv_Dvbt_Isdbt; - sys.adc_clk = Adc_Clk_24M; - sys.demod_clk = Demod_Clk_60M; - demod_status.ch_if = Si2176_5M_If * 1000; - demod_set_sys(&demod_status, &i2c, &sys); - return 0; -} - -static void gxtv_demod_atsc_release(struct dvb_frontend *fe) -{ -/* - * struct aml_fe_dev *state = fe->demodulator_priv; - * - * uninstall_isr(state); - * - * kfree(state); - */ -} - -static int gxtv_demod_atsc_set_qam_mode(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct aml_demod_atsc param; /*mode 3:64, 5:256, 7:vsb*/ - fe_modulation_t mode; - - memset(¶m, 0, sizeof(param)); - mode = c->modulation; - pr_dbg("mode is %d\n", mode); - atsc_qam_set(mode); - return 0; -} - -static int gxtv_demod_atsc_read_status - (struct dvb_frontend *fe, fe_status_t *status) -{ - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; -/* struct aml_demod_i2c demod_i2c;*/ -/* struct aml_demod_sta demod_sta;*/ - int ilock; - unsigned char s = 0; - - s = amdemod_atsc_stat_islock(dev); - if (s == 1) { - ilock = 1; - *status = - FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC; - } else { - ilock = 0; - *status = FE_TIMEDOUT; - } - if (last_lock != ilock) { - pr_error("%s.\n", - ilock ? "!! >> LOCK << !!" : "!! >> UNLOCK << !!"); - last_lock = ilock; - } - - return 0; -} - -static int gxtv_demod_atsc_read_ber(struct dvb_frontend *fe, u32 *ber) -{ -/* struct aml_fe *afe = fe->demodulator_priv;*/ -/* struct aml_fe_dev *dev = afe->dtv_demod;*/ -/* struct aml_demod_sts demod_sts;*/ -/* struct aml_demod_i2c demod_i2c;*/ -/* struct aml_demod_sta demod_sta;*/ - -/* check_atsc_fsm_status();*/ - return 0; -} - -static int gxtv_demod_atsc_read_signal_strength - (struct dvb_frontend *fe, u16 *strength) -{ - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; - - *strength = tuner_get_ch_power(dev); - return 0; -} - -static int gxtv_demod_atsc_read_snr(struct dvb_frontend *fe, u16 *snr) -{ -/* struct aml_fe *afe = fe->demodulator_priv;*/ -/* struct aml_fe_dev *dev = afe->dtv_demod;*/ - -/* struct aml_demod_sts demod_sts;*/ -/* struct aml_demod_i2c demod_i2c;*/ -/* struct aml_demod_sta demod_sta;*/ - -/* * snr=check_atsc_fsm_status();*/ - return 0; -} - -static int gxtv_demod_atsc_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) -{ - *ucblocks = 0; - return 0; -} - -static int gxtv_demod_atsc_set_frontend(struct dvb_frontend *fe) -{ -/* struct amlfe_state *state = fe->demodulator_priv;*/ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct aml_demod_atsc param; -/* struct aml_demod_sta demod_sta;*/ -/* struct aml_demod_sts demod_sts;*/ - struct aml_demod_i2c demod_i2c; - int error, times; - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; - - demod_i2c.tuner = dev->drv->id; - demod_i2c.addr = dev->i2c_addr; - times = 2; - - memset(¶m, 0, sizeof(param)); - param.ch_freq = c->frequency / 1000; - - last_lock = -1; - /*p->u.vsb.modulation=QAM_64;*/ - atsc_mode = c->modulation; - /* param.mode = amdemod_qam(p->u.vsb.modulation);*/ - param.mode = c->modulation; - -retry: - aml_dmx_before_retune(AM_TS_SRC_TS2, fe); - aml_fe_analog_set_frontend(fe); - atsc_set_ch(&demod_status, &demod_i2c, ¶m); - - /*{ - * int ret; - * ret = wait_event_interruptible_timeout( - * dev->lock_wq, amdemod_atsc_stat_islock(dev), 4*HZ); - * if(!ret) pr_error("amlfe wait lock timeout.\n"); - * } - */ -/*rsj_debug*/ - /* int count; - * for(count=0;count<10;count++){ - * if(amdemod_atsc_stat_islock(dev)){ - * pr_dbg("first lock success\n"); - * break; - * } - * - * msleep(200); - * } - */ - - times--; - if (amdemod_atsc_stat_islock(dev) && times) { - int lock; - - aml_dmx_start_error_check(AM_TS_SRC_TS2, fe); - msleep(20); - error = aml_dmx_stop_error_check(AM_TS_SRC_TS2, fe); - lock = amdemod_atsc_stat_islock(dev); - if ((error > 200) || !lock) { - pr_error - ("amlfe too many error,\t" - "error count:%d lock statuc:%d, retry\n", - error, lock); - goto retry; - } - } - - aml_dmx_after_retune(AM_TS_SRC_TS2, fe); - - afe->params = *c; - /*pr_dbg("AML amldemod => frequency=%d,symbol_rate=%d\r\n", - * p->frequency,p->u.qam.symbol_rate); - */ - return 0; -} - -static int gxtv_demod_atsc_get_frontend(struct dvb_frontend *fe) -{ /*these content will be writed into eeprom .*/ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct aml_fe *afe = fe->demodulator_priv; - - pr_dbg("c->frequency is %d\n", c->frequency); - *c = afe->params; - return 0; -} - -int Gxtv_Demod_Atsc_Init(struct aml_fe_dev *dev) -{ - struct aml_demod_sys sys; - struct aml_demod_i2c i2c; - - pr_dbg("AML Demod ATSC init\r\n"); - - memset(&sys, 0, sizeof(sys)); - memset(&i2c, 0, sizeof(i2c)); - memset(&demod_status, 0, sizeof(demod_status)); - /* 0 -DVBC, 1-DVBT, ISDBT, 2-ATSC*/ - demod_status.dvb_mode = Gxtv_Atsc; - sys.adc_clk = Adc_Clk_25_2M; /*Adc_Clk_26M;*/ - sys.demod_clk = Demod_Clk_75M; /*Demod_Clk_71M;//Demod_Clk_78M;*/ - demod_status.ch_if = 6350; - demod_status.tmp = Adc_mode; - demod_set_sys(&demod_status, &i2c, &sys); - return 0; -} - -static void gxtv_demod_dtmb_release(struct dvb_frontend *fe) -{ -/* - * struct aml_fe_dev *state = fe->demodulator_priv; - * - * uninstall_isr(state); - * - * kfree(state); - */ -} - -static int gxtv_demod_dtmb_read_status - (struct dvb_frontend *fe, fe_status_t *status) -{ - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; -/* struct aml_demod_i2c demod_i2c;*/ -/* struct aml_demod_sta demod_sta;*/ - int ilock; - unsigned char s = 0; - -/* s = amdemod_dtmb_stat_islock(dev);*/ -/* if(s==1)*/ - if (is_meson_txl_cpu()) - s = dtmb_check_status_txl(fe); - else - s = dtmb_check_status_gxtv(fe); - s = amdemod_dtmb_stat_islock(dev); -/* s=1;*/ - if (s == 1) { - ilock = 1; - *status = - FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC; - } else { - ilock = 0; - *status = FE_TIMEDOUT; - } - if (last_lock != ilock) { - pr_error("%s.\n", - ilock ? "!! >> LOCK << !!" : "!! >> UNLOCK << !!"); - last_lock = ilock; - } - - return 0; -} - -static int gxtv_demod_dtmb_read_ber(struct dvb_frontend *fe, u32 *ber) -{ -/* struct aml_fe *afe = fe->demodulator_priv;*/ -/* struct aml_fe_dev *dev = afe->dtv_demod;*/ -/* struct aml_demod_sts demod_sts;*/ -/* struct aml_demod_i2c demod_i2c;*/ -/* struct aml_demod_sta demod_sta;*/ - -/* check_atsc_fsm_status();*/ -/* int fec_bch_add; */ -/* fec_bch_add = dtmb_read_reg(0xdf); */ -/* *ber = fec_bch_add; */ - return 0; -} - -static int gxtv_demod_dtmb_read_signal_strength - (struct dvb_frontend *fe, u16 *strength) -{ - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; - - *strength = tuner_get_ch_power(dev); - return 0; -} - -static int gxtv_demod_dtmb_read_snr(struct dvb_frontend *fe, u16 *snr) -{ -/* struct aml_fe *afe = fe->demodulator_priv;*/ -/* struct aml_fe_dev *dev = afe->dtv_demod;*/ -#if 1 - int tmp, snr_avg; - - tmp = snr_avg = 0; - tmp = dtmb_read_reg(DTMB_TOP_FEC_LOCK_SNR); -/* snr_avg = (tmp >> 16) & 0x3fff; - * if (snr_avg >= 2048) - * snr_avg = snr_avg - 4096; - * snr_avg = snr_avg / 32; - */ - *snr = tmp&0xff; -#endif - return 0; -} - -static int gxtv_demod_dtmb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) -{ - *ucblocks = 0; - return 0; -} - -static int gxtv_demod_dtmb_read_fsm(struct dvb_frontend *fe, u32 *fsm_status) -{ - int tmp; - - tmp = dtmb_read_reg(DTMB_TOP_CTRL_FSM_STATE0); - *fsm_status = tmp&0xffffffff; - pr_dbg("[rsj] fsm_status is %x\n", *fsm_status); - return 0; -} - - -static int gxtv_demod_dtmb_set_frontend(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct aml_demod_dtmb param; -/* struct aml_demod_sta demod_sta;*/ -/* struct aml_demod_sts demod_sts;*/ - struct aml_demod_i2c demod_i2c; - int times; - struct aml_fe *afe = fe->demodulator_priv; - struct aml_fe_dev *dev = afe->dtv_demod; - - demod_i2c.tuner = dev->drv->id; - demod_i2c.addr = dev->i2c_addr; - times = 2; - pr_dbg("gxtv_demod_dtmb_set_frontend,freq is %d\n", c->frequency); - memset(¶m, 0, sizeof(param)); - param.ch_freq = c->frequency / 1000; - - last_lock = -1; -/* demod_power_switch(PWR_OFF); */ - aml_fe_analog_set_frontend(fe); - msleep(100); -/* demod_power_switch(PWR_ON); */ - dtmb_set_ch(&demod_status, &demod_i2c, ¶m); - afe->params = *c; - /* pr_dbg("AML amldemod => frequency=%d,symbol_rate=%d\r\n", - * p->frequency,p->u.qam.symbol_rate); - */ - return 0; -} - -static int gxtv_demod_dtmb_get_frontend(struct dvb_frontend *fe) -{ /*these content will be writed into eeprom .*/ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct aml_fe *afe = fe->demodulator_priv; - - *c = afe->params; -/* pr_dbg("[get frontend]c->frequency is %d\n",c->frequency);*/ - return 0; -} - -int Gxtv_Demod_Dtmb_Init(struct aml_fe_dev *dev) -{ - struct aml_demod_sys sys; - struct aml_demod_i2c i2c; - - pr_dbg("AML Demod DTMB init\r\n"); - - memset(&sys, 0, sizeof(sys)); - memset(&i2c, 0, sizeof(i2c)); - memset(&demod_status, 0, sizeof(demod_status)); - /* 0 -DVBC, 1-DVBT, ISDBT, 2-ATSC*/ - demod_status.dvb_mode = Gxtv_Dtmb; - if (is_meson_txl_cpu()) { - sys.adc_clk = Adc_Clk_25M; /*Adc_Clk_26M;*/ - sys.demod_clk = Demod_Clk_225M; - } else { - sys.adc_clk = Adc_Clk_25M; /*Adc_Clk_26M;*/ - sys.demod_clk = Demod_Clk_200M; - } - demod_status.ch_if = Si2176_5M_If; - demod_status.tmp = Adc_mode; - demod_status.spectrum = dev->spectrum; - demod_set_sys(&demod_status, &i2c, &sys); - return 0; -} - -static int gxtv_demod_fe_get_ops(struct aml_fe_dev *dev, int mode, void *ops) -{ - struct dvb_frontend_ops *fe_ops = (struct dvb_frontend_ops *)ops; - - if (mode == AM_FE_OFDM) { - fe_ops->info.frequency_min = 51000000; - fe_ops->info.frequency_max = 858000000; - fe_ops->info.frequency_stepsize = 0; - fe_ops->info.frequency_tolerance = 0; - fe_ops->info.caps = - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | - FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO | - FE_CAN_RECOVER | FE_CAN_MUTE_TS; - fe_ops->release = gxtv_demod_dvbt_release; - fe_ops->set_frontend = gxtv_demod_dvbt_set_frontend; - fe_ops->get_frontend = gxtv_demod_dvbt_get_frontend; - fe_ops->read_status = gxtv_demod_dvbt_read_status; - fe_ops->read_ber = gxtv_demod_dvbt_read_ber; - fe_ops->read_signal_strength = - gxtv_demod_dvbt_read_signal_strength; - fe_ops->read_snr = gxtv_demod_dvbt_read_snr; - fe_ops->read_ucblocks = gxtv_demod_dvbt_read_ucblocks; - fe_ops->read_dtmb_fsm = NULL; - - pr_dbg("=========================dvbt demod init\r\n"); - Gxtv_Demod_Dvbt_Init(dev); - } else if (mode == AM_FE_QAM) { - fe_ops->info.frequency_min = 51000000; - fe_ops->info.frequency_max = 858000000; - fe_ops->info.frequency_stepsize = 0; - fe_ops->info.frequency_tolerance = 0; - fe_ops->info.caps = - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_32 | - FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_QAM_64 | - FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO | - FE_CAN_RECOVER | FE_CAN_MUTE_TS; - - fe_ops->release = gxtv_demod_dvbc_release; - fe_ops->set_frontend = gxtv_demod_dvbc_set_frontend; - fe_ops->get_frontend = gxtv_demod_dvbc_get_frontend; - fe_ops->read_status = gxtv_demod_dvbc_read_status; - fe_ops->read_ber = gxtv_demod_dvbc_read_ber; - fe_ops->read_signal_strength = - gxtv_demod_dvbc_read_signal_strength; - fe_ops->read_snr = gxtv_demod_dvbc_read_snr; - fe_ops->read_ucblocks = gxtv_demod_dvbc_read_ucblocks; - fe_ops->set_qam_mode = gxtv_demod_dvbc_set_qam_mode; - fe_ops->read_dtmb_fsm = NULL; - install_isr(dev); - pr_dbg("=========================dvbc demod init\r\n"); - Gxtv_Demod_Dvbc_Init(dev, Adc_mode); - } else if (mode == AM_FE_ATSC) { - fe_ops->info.frequency_min = 51000000; - fe_ops->info.frequency_max = 858000000; - fe_ops->info.frequency_stepsize = 0; - fe_ops->info.frequency_tolerance = 0; - fe_ops->info.caps = - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | - FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO | - FE_CAN_RECOVER | FE_CAN_MUTE_TS; - - fe_ops->release = gxtv_demod_atsc_release; - fe_ops->set_frontend = gxtv_demod_atsc_set_frontend; - fe_ops->get_frontend = gxtv_demod_atsc_get_frontend; - fe_ops->read_status = gxtv_demod_atsc_read_status; - fe_ops->read_ber = gxtv_demod_atsc_read_ber; - fe_ops->read_signal_strength = - gxtv_demod_atsc_read_signal_strength; - fe_ops->read_snr = gxtv_demod_atsc_read_snr; - fe_ops->read_ucblocks = gxtv_demod_atsc_read_ucblocks; - fe_ops->set_qam_mode = gxtv_demod_atsc_set_qam_mode; - fe_ops->read_dtmb_fsm = NULL; - Gxtv_Demod_Atsc_Init(dev); - } else if (mode == AM_FE_DTMB) { - fe_ops->info.frequency_min = 51000000; - fe_ops->info.frequency_max = 900000000; - fe_ops->info.frequency_stepsize = 0; - fe_ops->info.frequency_tolerance = 0; - fe_ops->info.caps = - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | - FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO | - FE_CAN_RECOVER | FE_CAN_MUTE_TS; - - fe_ops->release = gxtv_demod_dtmb_release; - fe_ops->set_frontend = gxtv_demod_dtmb_set_frontend; - fe_ops->get_frontend = gxtv_demod_dtmb_get_frontend; - fe_ops->read_status = gxtv_demod_dtmb_read_status; - fe_ops->read_ber = gxtv_demod_dtmb_read_ber; - fe_ops->read_signal_strength = - gxtv_demod_dtmb_read_signal_strength; - fe_ops->read_snr = gxtv_demod_dtmb_read_snr; - fe_ops->read_ucblocks = gxtv_demod_dtmb_read_ucblocks; - fe_ops->read_dtmb_fsm = gxtv_demod_dtmb_read_fsm; - Gxtv_Demod_Dtmb_Init(dev); - } - return 0; -} - -static int gxtv_demod_fe_resume(struct aml_fe_dev *dev) -{ - int memstart_dtmb; - - pr_inf("gxtv_demod_fe_resume\n"); -/* demod_power_switch(PWR_ON);*/ - Gxtv_Demod_Dtmb_Init(dev); - memstart_dtmb = dev->fe->dtv_demod->mem_start; - pr_dbg("[im]memstart is %x\n", memstart_dtmb); - dtmb_write_reg(DTMB_FRONT_MEM_ADDR, memstart_dtmb); - pr_dbg("[dtmb]mem_buf is 0x%x\n", - dtmb_read_reg(DTMB_FRONT_MEM_ADDR)); - return 0; -} - -static int gxtv_demod_fe_suspend(struct aml_fe_dev *dev) -{ - pr_inf("gxtv_demod_fe_suspend\n"); -/* demod_power_switch(PWR_OFF);*/ - return 0; -} - -#ifdef CONFIG_CMA -void dtmb_cma_alloc(struct aml_fe_dev *devp) -{ - unsigned int mem_size = devp->cma_mem_size; - - devp->venc_pages = - dma_alloc_from_contiguous(&(devp->this_pdev->dev), - mem_size >> PAGE_SHIFT, 0); - pr_dbg("[cma]mem_size is %d,%d\n", - mem_size, mem_size >> PAGE_SHIFT); - if (devp->venc_pages) { - devp->mem_start = page_to_phys(devp->venc_pages); - devp->mem_size = mem_size; - pr_dbg("demod mem_start = 0x%x, mem_size = 0x%x\n", - devp->mem_start, devp->mem_size); - pr_dbg("demod cma alloc ok!\n"); - } else { - pr_dbg("demod cma mem undefined2.\n"); - } -} - -void dtmb_cma_release(struct aml_fe_dev *devp) -{ - dma_release_from_contiguous(&(devp->this_pdev->dev), - devp->venc_pages, - devp->cma_mem_size>>PAGE_SHIFT); - pr_dbg("demod cma release ok!\n"); - devp->mem_start = 0; - devp->mem_size = 0; -} -#endif - - -static int gxtv_demod_fe_enter_mode(struct aml_fe *fe, int mode) -{ - struct aml_fe_dev *dev = fe->dtv_demod; - int memstart_dtmb; - - /* must enable the adc ref signal for demod, */ - vdac_enable(1, 0x2); - - autoFlagsTrig = 1; - if (cci_thread) - if (dvbc_get_cci_task() == 1) - dvbc_create_cci_task(); - /*mem_buf = (long *)phys_to_virt(memstart);*/ - if (mode == AM_FE_DTMB) { - Gxtv_Demod_Dtmb_Init(dev); - if (fe->dtv_demod->cma_flag == 1) { - pr_dbg("CMA MODE, cma flag is %d,mem size is %d", - fe->dtv_demod->cma_flag, fe->dtv_demod->cma_mem_size); - dtmb_cma_alloc(dev); - memstart_dtmb = dev->mem_start; - } else { - memstart_dtmb = fe->dtv_demod->mem_start; - } - pr_dbg("[im]memstart is %x\n", memstart_dtmb); - dtmb_write_reg(DTMB_FRONT_MEM_ADDR, memstart_dtmb); - pr_dbg("[dtmb]mem_buf is 0x%x\n", - dtmb_read_reg(DTMB_FRONT_MEM_ADDR)); - /* open arbit */ - demod_set_demod_reg(0x8, DEMOD_REG4); - } else if (mode == AM_FE_QAM) { - Gxtv_Demod_Dvbc_Init(dev, Adc_mode); - } - - return 0; -} - -static int gxtv_demod_fe_leave_mode(struct aml_fe *fe, int mode) -{ - struct aml_fe_dev *dev = fe->dtv_demod; - - dtvpll_init_flag(0); - /*dvbc_timer_exit();*/ - if (cci_thread) - dvbc_kill_cci_task(); - if (mode == AM_FE_DTMB) { - /* close arbit */ - demod_set_demod_reg(0x0, DEMOD_REG4); - if (fe->dtv_demod->cma_flag == 1) - dtmb_cma_release(dev); - } - - /* should disable the adc ref signal for demod */ - vdac_enable(0, 0x2); - - return 0; -} - -static struct aml_fe_drv gxtv_demod_dtv_demod_drv = { - .id = AM_DTV_DEMOD_M1, - .name = "AMLDEMOD", - .capability = - AM_FE_QPSK | AM_FE_QAM | AM_FE_ATSC | AM_FE_OFDM | AM_FE_DTMB, - .get_ops = gxtv_demod_fe_get_ops, - .suspend = gxtv_demod_fe_suspend, - .resume = gxtv_demod_fe_resume, - .enter_mode = gxtv_demod_fe_enter_mode, - .leave_mode = gxtv_demod_fe_leave_mode -}; - -struct class *gxtv_clsp; -struct class *gxtv_para_clsp; - -static int __init gxtvdemodfrontend_init(void) -{ - int ret; - - pr_dbg("register gxtv_demod demod driver\n"); - ret = 0; - - dtvpll_lock_init(); - mutex_init(&aml_lock); - - gxtv_clsp = class_create(THIS_MODULE, DEMOD_DEVICE_NAME); - if (!gxtv_clsp) { - pr_error("[gxtv demod]%s:create class error.\n", __func__); - return PTR_ERR(gxtv_clsp); - } - ret = class_create_file(gxtv_clsp, &class_attr_auto_sym); - if (ret) - pr_error("[gxtv demod]%s create class error.\n", __func__); - - ret = class_create_file(gxtv_clsp, &class_attr_dtmb_para); - if (ret) - pr_error("[gxtv demod]%s create class error.\n", __func__); - - ret = class_create_file(gxtv_clsp, &class_attr_dvbc_reg); - if (ret) - pr_error("[gxtv demod]%s create class error.\n", __func__); - - return aml_register_fe_drv(AM_DEV_DTV_DEMOD, &gxtv_demod_dtv_demod_drv); -} - -static void __exit gxtvdemodfrontend_exit(void) -{ - pr_dbg("unregister gxtv_demod demod driver\n"); - - mutex_destroy(&aml_lock); - - class_remove_file(gxtv_clsp, &class_attr_auto_sym); - class_remove_file(gxtv_clsp, &class_attr_dtmb_para); - class_remove_file(gxtv_clsp, &class_attr_dvbc_reg); - class_destroy(gxtv_clsp); - aml_unregister_fe_drv(AM_DEV_DTV_DEMOD, &gxtv_demod_dtv_demod_drv); -} - -fs_initcall(gxtvdemodfrontend_init); -module_exit(gxtvdemodfrontend_exit); - -MODULE_DESCRIPTION("gxtv_demod DVB-T/DVB-C/DTMB Demodulator driver"); -MODULE_AUTHOR("RSJ"); -MODULE_LICENSE("GPL"); |