Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /* DVB frontend part of the Linux driver for the TwinhanDTV StarBox USB2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * DVB-S receiver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *                    Metzler Brothers Systementwicklung GbR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@posteo.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * Thanks to Twinhan who kindly provided hardware and information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * This file can be removed soon, after the DST-driver is rewritten to provice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * the frontend-controlling separately.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include "vp702x.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) struct vp702x_fe_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	struct dvb_frontend fe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	struct dvb_usb_device *d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	struct dvb_frontend_ops ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	enum fe_sec_voltage voltage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	enum fe_sec_tone_mode tone_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	u8 lnb_buf[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	u8 lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	u8 sig;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	u8 snr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	unsigned long next_status_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	unsigned long status_check_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static int vp702x_fe_refresh_state(struct vp702x_fe_state *st)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	struct vp702x_device_state *dst = st->d->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	u8 *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	if (time_after(jiffies, st->next_status_check)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 		mutex_lock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		buf = dst->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		vp702x_usb_in_op(st->d, READ_STATUS, 0, 0, buf, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		st->lock = buf[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		vp702x_usb_in_op(st->d, READ_TUNER_REG_REQ, 0x11, 0, buf, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		st->snr = buf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		vp702x_usb_in_op(st->d, READ_TUNER_REG_REQ, 0x15, 0, buf, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		st->sig = buf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		mutex_unlock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 		st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) static u8 vp702x_chksum(u8 *buf,int f, int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	u8 s = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	for (i = f; i < f+count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		s += buf[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	return ~s+1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) static int vp702x_fe_read_status(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 				 enum fe_status *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	vp702x_fe_refresh_state(st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	deb_fe("%s\n",__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	if (st->lock == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		*status = FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI | FE_HAS_SIGNAL | FE_HAS_CARRIER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		*status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	if (*status & FE_HAS_LOCK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		st->status_check_interval = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		st->status_check_interval = 250;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) /* not supported by this Frontend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) static int vp702x_fe_read_ber(struct dvb_frontend* fe, u32 *ber)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	vp702x_fe_refresh_state(st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	*ber = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) /* not supported by this Frontend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static int vp702x_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	vp702x_fe_refresh_state(st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	*unc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static int vp702x_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	vp702x_fe_refresh_state(st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	*strength = (st->sig << 8) | st->sig;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static int vp702x_fe_read_snr(struct dvb_frontend* fe, u16 *snr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	u8 _snr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	vp702x_fe_refresh_state(st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	_snr = (st->snr & 0x1f) * 0xff / 0x1f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	*snr = (_snr << 8) | _snr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static int vp702x_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	deb_fe("%s\n",__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	tune->min_delay_ms = 2000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static int vp702x_fe_set_frontend(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	struct vp702x_device_state *dst = st->d->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	u32 freq = fep->frequency/1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	/*CalFrequency*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) /*	u16 frequencyRef[16] = { 2, 4, 8, 16, 32, 64, 128, 256, 24, 5, 10, 20, 40, 80, 160, 320 }; */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	u64 sr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	u8 *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	mutex_lock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	cmd = dst->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	memset(cmd, 0, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	cmd[0] = (freq >> 8) & 0x7f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	cmd[1] =  freq       & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	cmd[2] = 1; /* divrate == 4 -> frequencyRef[1] -> 1 here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	sr = (u64) (fep->symbol_rate/1000) << 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	do_div(sr,88000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	cmd[3] = (sr >> 12) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	cmd[4] = (sr >> 4)  & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	cmd[5] = (sr << 4)  & 0xf0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	deb_fe("setting frontend to: %u -> %u (%x) LNB-based GHz, symbolrate: %d -> %lu (%lx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 			fep->frequency, freq, freq, fep->symbol_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 			(unsigned long) sr, (unsigned long) sr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) /*	if (fep->inversion == INVERSION_ON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		cmd[6] |= 0x80; */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (st->voltage == SEC_VOLTAGE_18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		cmd[6] |= 0x40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) /*	if (fep->symbol_rate > 8000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		cmd[6] |= 0x20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	if (fep->frequency < 1531000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		cmd[6] |= 0x04;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	if (st->tone_mode == SEC_TONE_ON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		cmd[6] |= 0x01;*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	cmd[7] = vp702x_chksum(cmd,0,7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	st->status_check_interval = 250;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	st->next_status_check = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	vp702x_usb_inout_op(st->d, cmd, 8, cmd, 10, 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (cmd[2] == 0 && cmd[3] == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		deb_fe("tuning failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		deb_fe("tuning succeeded.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	mutex_unlock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static int vp702x_fe_init(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	deb_fe("%s\n",__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	vp702x_usb_in_op(st->d, RESET_TUNER, 0, 0, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static int vp702x_fe_sleep(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	deb_fe("%s\n",__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static int vp702x_fe_send_diseqc_msg (struct dvb_frontend* fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 				    struct dvb_diseqc_master_cmd *m)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	u8 *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	struct vp702x_device_state *dst = st->d->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	deb_fe("%s\n",__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	if (m->msg_len > 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	mutex_lock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	cmd = dst->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	cmd[1] = SET_DISEQC_CMD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	cmd[2] = m->msg_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	memcpy(&cmd[3], m->msg, m->msg_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	cmd[7] = vp702x_chksum(cmd, 0, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	vp702x_usb_inout_op(st->d, cmd, 8, cmd, 10, 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	if (cmd[2] == 0 && cmd[3] == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		deb_fe("diseqc cmd failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		deb_fe("diseqc cmd succeeded.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	mutex_unlock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) static int vp702x_fe_send_diseqc_burst(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 				       enum fe_sec_mini_cmd burst)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	deb_fe("%s\n",__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static int vp702x_fe_set_tone(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 			      enum fe_sec_tone_mode tone)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	struct vp702x_device_state *dst = st->d->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	u8 *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	deb_fe("%s\n",__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	st->tone_mode = tone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	if (tone == SEC_TONE_ON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		st->lnb_buf[2] = 0x02;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		st->lnb_buf[2] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	st->lnb_buf[7] = vp702x_chksum(st->lnb_buf, 0, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	mutex_lock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	buf = dst->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	memcpy(buf, st->lnb_buf, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	vp702x_usb_inout_op(st->d, buf, 8, buf, 10, 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	if (buf[2] == 0 && buf[3] == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		deb_fe("set_tone cmd failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		deb_fe("set_tone cmd succeeded.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	mutex_unlock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) static int vp702x_fe_set_voltage(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 				 enum fe_sec_voltage voltage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	struct vp702x_device_state *dst = st->d->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	u8 *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	deb_fe("%s\n",__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	st->voltage = voltage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	if (voltage != SEC_VOLTAGE_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 		st->lnb_buf[4] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 		st->lnb_buf[4] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	st->lnb_buf[7] = vp702x_chksum(st->lnb_buf, 0, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	mutex_lock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	buf = dst->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	memcpy(buf, st->lnb_buf, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	vp702x_usb_inout_op(st->d, buf, 8, buf, 10, 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	if (buf[2] == 0 && buf[3] == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		deb_fe("set_voltage cmd failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		deb_fe("set_voltage cmd succeeded.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	mutex_unlock(&dst->buf_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) static void vp702x_fe_release(struct dvb_frontend* fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	struct vp702x_fe_state *st = fe->demodulator_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	kfree(st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) static const struct dvb_frontend_ops vp702x_fe_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) struct dvb_frontend * vp702x_fe_attach(struct dvb_usb_device *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	struct vp702x_fe_state *s = kzalloc(sizeof(struct vp702x_fe_state), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	if (s == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	s->d = d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	memcpy(&s->fe.ops,&vp702x_fe_ops,sizeof(struct dvb_frontend_ops));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	s->fe.demodulator_priv = s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	s->lnb_buf[1] = SET_LNB_POWER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	s->lnb_buf[3] = 0xff; /* 0=tone burst, 2=data burst, ff=off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	return &s->fe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) static const struct dvb_frontend_ops vp702x_fe_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	.delsys = { SYS_DVBS },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	.info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 		.name           = "Twinhan DST-like frontend (VP7021/VP7020) DVB-S",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 		.frequency_min_hz       =  950 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 		.frequency_max_hz       = 2150 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 		.frequency_stepsize_hz  =    1 * MHz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		.symbol_rate_min     = 1000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 		.symbol_rate_max     = 45000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 		.symbol_rate_tolerance = 500,  /* ppm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		FE_CAN_QPSK |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 		FE_CAN_FEC_AUTO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	.release = vp702x_fe_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	.init  = vp702x_fe_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	.sleep = vp702x_fe_sleep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	.set_frontend = vp702x_fe_set_frontend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	.get_tune_settings = vp702x_fe_get_tune_settings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	.read_status = vp702x_fe_read_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	.read_ber = vp702x_fe_read_ber,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	.read_signal_strength = vp702x_fe_read_signal_strength,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	.read_snr = vp702x_fe_read_snr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	.read_ucblocks = vp702x_fe_read_unc_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	.diseqc_send_master_cmd = vp702x_fe_send_diseqc_msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	.diseqc_send_burst = vp702x_fe_send_diseqc_burst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	.set_tone = vp702x_fe_set_tone,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	.set_voltage = vp702x_fe_set_voltage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) };