[linux-2.6-block.git] / drivers / media / usb / dvb-usb / gp8psk-fe.c

/* DVB USB compliant Linux driver for the
 *  - GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module
 *
 * Copyright (C) 2006,2007 Alan Nisota (alannisota@gmail.com)
 * Copyright (C) 2006,2007 Genpix Electronics (genpix@genpix-electronics.com)
 *
 * Thanks to GENPIX for the sample code used to implement this module.
 *
 * This module is based off the vp7045 and vp702x modules
 *
 *	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, version 2.
 *
 * see Documentation/dvb/README.dvb-usb for more information
 */
#include "gp8psk.h"

struct gp8psk_fe_state {
	struct dvb_frontend fe;
	struct dvb_usb_device *d;
	u8 lock;
	u16 snr;
	unsigned long next_status_check;
	unsigned long status_check_interval;
};

static int gp8psk_tuned_to_DCII(struct dvb_frontend *fe)
{
	struct gp8psk_fe_state *st = fe->demodulator_priv;
	u8 status;
	gp8psk_usb_in_op(st->d, GET_8PSK_CONFIG, 0, 0, &status, 1);
	return status & bmDCtuned;
}

static int gp8psk_set_tuner_mode(struct dvb_frontend *fe, int mode)
{
	struct gp8psk_fe_state *state = fe->demodulator_priv;
	return gp8psk_usb_out_op(state->d, SET_8PSK_CONFIG, mode, 0, NULL, 0);
}

static int gp8psk_fe_update_status(struct gp8psk_fe_state *st)
{
	u8 buf[6];
	if (time_after(jiffies,st->next_status_check)) {
		gp8psk_usb_in_op(st->d, GET_SIGNAL_LOCK, 0,0,&st->lock,1);
		gp8psk_usb_in_op(st->d, GET_SIGNAL_STRENGTH, 0,0,buf,6);
		st->snr = (buf[1]) << 8 | buf[0];
		st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000;
	}
	return 0;
}

static int gp8psk_fe_read_status(struct dvb_frontend *fe,
				 enum fe_status *status)
{
	struct gp8psk_fe_state *st = fe->demodulator_priv;
	gp8psk_fe_update_status(st);

	if (st->lock)
		*status = FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI | FE_HAS_SIGNAL | FE_HAS_CARRIER;
	else
		*status = 0;

	if (*status & FE_HAS_LOCK)
		st->status_check_interval = 1000;
	else
		st->status_check_interval = 100;
	return 0;
}

/* not supported by this Frontend */
static int gp8psk_fe_read_ber(struct dvb_frontend* fe, u32 *ber)
{
	(void) fe;
	*ber = 0;
	return 0;
}

/* not supported by this Frontend */
static int gp8psk_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
{
	(void) fe;
	*unc = 0;
	return 0;
}

static int gp8psk_fe_read_snr(struct dvb_frontend* fe, u16 *snr)
{
	struct gp8psk_fe_state *st = fe->demodulator_priv;
	gp8psk_fe_update_status(st);
	/* snr is reported in dBu*256 */
	*snr = st->snr;
	return 0;
}

static int gp8psk_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
{
	struct gp8psk_fe_state *st = fe->demodulator_priv;
	gp8psk_fe_update_status(st);
	/* snr is reported in dBu*256 */
	/* snr / 38.4 ~= 100% strength */
	/* snr * 17 returns 100% strength as 65535 */
	if (st->snr > 0xf00)
		*strength = 0xffff;
	else
		*strength = (st->snr << 4) + st->snr; /* snr*17 */
	return 0;
}

static int gp8psk_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
{
	tune->min_delay_ms = 800;
	return 0;
}

static int gp8psk_fe_set_frontend(struct dvb_frontend *fe)
{
	struct gp8psk_fe_state *state = fe->demodulator_priv;
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
	u8 cmd[10];
	u32 freq = c->frequency * 1000;
	int gp_product_id = le16_to_cpu(state->d->udev->descriptor.idProduct);

	deb_fe("%s()\n", __func__);

	cmd[4] = freq         & 0xff;
	cmd[5] = (freq >> 8)  & 0xff;
	cmd[6] = (freq >> 16) & 0xff;
	cmd[7] = (freq >> 24) & 0xff;

	/* backwards compatibility: DVB-S + 8-PSK were used for Turbo-FEC */
	if (c->delivery_system == SYS_DVBS && c->modulation == PSK_8)
		c->delivery_system = SYS_TURBO;

	switch (c->delivery_system) {
	case SYS_DVBS:
		if (c->modulation != QPSK) {
			deb_fe("%s: unsupported modulation selected (%d)\n",
				__func__, c->modulation);
			return -EOPNOTSUPP;
		}
		c->fec_inner = FEC_AUTO;
		break;
	case SYS_DVBS2: /* kept for backwards compatibility */
		deb_fe("%s: DVB-S2 delivery system selected\n", __func__);
		break;
	case SYS_TURBO:
		deb_fe("%s: Turbo-FEC delivery system selected\n", __func__);
		break;

	default:
		deb_fe("%s: unsupported delivery system selected (%d)\n",
			__func__, c->delivery_system);
		return -EOPNOTSUPP;
	}

	cmd[0] =  c->symbol_rate        & 0xff;
	cmd[1] = (c->symbol_rate >>  8) & 0xff;
	cmd[2] = (c->symbol_rate >> 16) & 0xff;
	cmd[3] = (c->symbol_rate >> 24) & 0xff;
	switch (c->modulation) {
	case QPSK:
		if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
			if (gp8psk_tuned_to_DCII(fe))
				gp8psk_bcm4500_reload(state->d);
		switch (c->fec_inner) {
		case FEC_1_2:
			cmd[9] = 0; break;
		case FEC_2_3:
			cmd[9] = 1; break;
		case FEC_3_4:
			cmd[9] = 2; break;
		case FEC_5_6:
			cmd[9] = 3; break;
		case FEC_7_8:
			cmd[9] = 4; break;
		case FEC_AUTO:
			cmd[9] = 5; break;
		default:
			cmd[9] = 5; break;
		}
		if (c->delivery_system == SYS_TURBO)
			cmd[8] = ADV_MOD_TURBO_QPSK;
		else
			cmd[8] = ADV_MOD_DVB_QPSK;
		break;
	case PSK_8: /* PSK_8 is for compatibility with DN */
		cmd[8] = ADV_MOD_TURBO_8PSK;
		switch (c->fec_inner) {
		case FEC_2_3:
			cmd[9] = 0; break;
		case FEC_3_4:
			cmd[9] = 1; break;
		case FEC_3_5:
			cmd[9] = 2; break;
		case FEC_5_6:
			cmd[9] = 3; break;
		case FEC_8_9:
			cmd[9] = 4; break;
		default:
			cmd[9] = 0; break;
		}
		break;
	case QAM_16: /* QAM_16 is for compatibility with DN */
		cmd[8] = ADV_MOD_TURBO_16QAM;
		cmd[9] = 0;
		break;
	default: /* Unknown modulation */
		deb_fe("%s: unsupported modulation selected (%d)\n",
			__func__, c->modulation);
		return -EOPNOTSUPP;
	}

	if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
		gp8psk_set_tuner_mode(fe, 0);
	gp8psk_usb_out_op(state->d, TUNE_8PSK, 0, 0, cmd, 10);

	state->lock = 0;
	state->next_status_check = jiffies;
	state->status_check_interval = 200;

	return 0;
}

static int gp8psk_fe_send_diseqc_msg (struct dvb_frontend* fe,
				    struct dvb_diseqc_master_cmd *m)
{
	struct gp8psk_fe_state *st = fe->demodulator_priv;

	deb_fe("%s\n",__func__);

	if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, m->msg[0], 0,
			m->msg, m->msg_len)) {
		return -EINVAL;
	}
	return 0;
}

static int gp8psk_fe_send_diseqc_burst(struct dvb_frontend *fe,
				       enum fe_sec_mini_cmd burst)
{
	struct gp8psk_fe_state *st = fe->demodulator_priv;
	u8 cmd;

	deb_fe("%s\n",__func__);

	/* These commands are certainly wrong */
	cmd = (burst == SEC_MINI_A) ? 0x00 : 0x01;

	if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, cmd, 0,
			&cmd, 0)) {
		return -EINVAL;
	}
	return 0;
}

static int gp8psk_fe_set_tone(struct dvb_frontend *fe,
			      enum fe_sec_tone_mode tone)
{
	struct gp8psk_fe_state* state = fe->demodulator_priv;

	if (gp8psk_usb_out_op(state->d,SET_22KHZ_TONE,
		 (tone == SEC_TONE_ON), 0, NULL, 0)) {
		return -EINVAL;
	}
	return 0;
}

static int gp8psk_fe_set_voltage(struct dvb_frontend *fe,
				 enum fe_sec_voltage voltage)
{
	struct gp8psk_fe_state* state = fe->demodulator_priv;

	if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE,
			 voltage == SEC_VOLTAGE_18, 0, NULL, 0)) {
		return -EINVAL;
	}
	return 0;
}

static int gp8psk_fe_enable_high_lnb_voltage(struct dvb_frontend* fe, long onoff)
{
	struct gp8psk_fe_state* state = fe->demodulator_priv;
	return gp8psk_usb_out_op(state->d, USE_EXTRA_VOLT, onoff, 0,NULL,0);
}

static int gp8psk_fe_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long sw_cmd)
{
	struct gp8psk_fe_state* state = fe->demodulator_priv;
	u8 cmd = sw_cmd & 0x7f;

	if (gp8psk_usb_out_op(state->d,SET_DN_SWITCH, cmd, 0,
			NULL, 0)) {
		return -EINVAL;
	}
	if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE, !!(sw_cmd & 0x80),
			0, NULL, 0)) {
		return -EINVAL;
	}

	return 0;
}

static void gp8psk_fe_release(struct dvb_frontend* fe)
{
	struct gp8psk_fe_state *state = fe->demodulator_priv;
	kfree(state);
}

static struct dvb_frontend_ops gp8psk_fe_ops;

struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d)
{
	struct gp8psk_fe_state *s = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL);
	if (s == NULL)
		goto error;

	s->d = d;
	memcpy(&s->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops));
	s->fe.demodulator_priv = s;

	goto success;
error:
	return NULL;
success:
	return &s->fe;
}


static struct dvb_frontend_ops gp8psk_fe_ops = {
	.delsys = { SYS_DVBS },
	.info = {
		.name			= "Genpix DVB-S",
		.frequency_min		= 800000,
		.frequency_max		= 2250000,
		.frequency_stepsize	= 100,
		.symbol_rate_min        = 1000000,
		.symbol_rate_max        = 45000000,
		.symbol_rate_tolerance  = 500,  /* ppm */
		.caps = FE_CAN_INVERSION_AUTO |
			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_QAM_16 is for compatibility
			 * (Myth incorrectly detects Turbo-QPSK as plain QAM-16)
			 */
			FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_TURBO_FEC
	},

	.release = gp8psk_fe_release,

	.init = NULL,
	.sleep = NULL,

	.set_frontend = gp8psk_fe_set_frontend,

	.get_tune_settings = gp8psk_fe_get_tune_settings,

	.read_status = gp8psk_fe_read_status,
	.read_ber = gp8psk_fe_read_ber,
	.read_signal_strength = gp8psk_fe_read_signal_strength,
	.read_snr = gp8psk_fe_read_snr,
	.read_ucblocks = gp8psk_fe_read_unc_blocks,

	.diseqc_send_master_cmd = gp8psk_fe_send_diseqc_msg,
	.diseqc_send_burst = gp8psk_fe_send_diseqc_burst,
	.set_tone = gp8psk_fe_set_tone,
	.set_voltage = gp8psk_fe_set_voltage,
	.dishnetwork_send_legacy_command = gp8psk_fe_send_legacy_dish_cmd,
	.enable_high_lnb_voltage = gp8psk_fe_enable_high_lnb_voltage
};
Commit	Line	Data
9bbe076f	1	/* DVB USB compliant Linux driver for the
458b634c	2	* - GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module
9bbe076f	3	*
458b634c AN	4	* Copyright (C) 2006,2007 Alan Nisota (alannisota@gmail.com)
458b634c AN	5	* Copyright (C) 2006,2007 Genpix Electronics (genpix@genpix-electronics.com)
9bbe076f AN	6	*
	7	* Thanks to GENPIX for the sample code used to implement this module.
	8	*
	9	* This module is based off the vp7045 and vp702x modules
	10	*
	11	* This program is free software; you can redistribute it and/or modify it
	12	* under the terms of the GNU General Public License as published by the Free
	13	* Software Foundation, version 2.
	14	*
	15	* see Documentation/dvb/README.dvb-usb for more information
	16	*/
	17	#include "gp8psk.h"
	18
	19	struct gp8psk_fe_state {
	20	struct dvb_frontend fe;
9bbe076f	21	struct dvb_usb_device *d;
458b634c	22	u8 lock;
9bbe076f	23	u16 snr;
458b634c AN	24	unsigned long next_status_check;
458b634c AN	25	unsigned long status_check_interval;
9bbe076f AN	26	};
9bbe076f AN	27
02ebf23b AN	28	static int gp8psk_tuned_to_DCII(struct dvb_frontend *fe)
	29	{
	30	struct gp8psk_fe_state *st = fe->demodulator_priv;
	31	u8 status;
	32	gp8psk_usb_in_op(st->d, GET_8PSK_CONFIG, 0, 0, &status, 1);
	33	return status & bmDCtuned;
	34	}
	35
	36	static int gp8psk_set_tuner_mode(struct dvb_frontend *fe, int mode)
	37	{
	38	struct gp8psk_fe_state *state = fe->demodulator_priv;
	39	return gp8psk_usb_out_op(state->d, SET_8PSK_CONFIG, mode, 0, NULL, 0);
	40	}
	41
458b634c AN	42	static int gp8psk_fe_update_status(struct gp8psk_fe_state *st)
	43	{
	44	u8 buf[6];
	45	if (time_after(jiffies,st->next_status_check)) {
	46	gp8psk_usb_in_op(st->d, GET_SIGNAL_LOCK, 0,0,&st->lock,1);
	47	gp8psk_usb_in_op(st->d, GET_SIGNAL_STRENGTH, 0,0,buf,6);
	48	st->snr = (buf[1]) << 8 \| buf[0];
	49	st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000;
	50	}
	51	return 0;
	52	}
	53
0df289a2 MCC	54	static int gp8psk_fe_read_status(struct dvb_frontend *fe,
0df289a2 MCC	55	enum fe_status *status)
9bbe076f AN	56	{
9bbe076f AN	57	struct gp8psk_fe_state *st = fe->demodulator_priv;
458b634c	58	gp8psk_fe_update_status(st);
9bbe076f	59
458b634c	60	if (st->lock)
9bbe076f AN	61	*status = FE_HAS_LOCK \| FE_HAS_SYNC \| FE_HAS_VITERBI \| FE_HAS_SIGNAL \| FE_HAS_CARRIER;
	62	else
	63	*status = 0;
	64
458b634c AN	65	if (*status & FE_HAS_LOCK)
	66	st->status_check_interval = 1000;
	67	else
	68	st->status_check_interval = 100;
9bbe076f AN	69	return 0;
	70	}
	71
	72	/* not supported by this Frontend */
	73	static int gp8psk_fe_read_ber(struct dvb_frontend* fe, u32 *ber)
	74	{
	75	(void) fe;
	76	*ber = 0;
	77	return 0;
	78	}
	79
	80	/* not supported by this Frontend */
	81	static int gp8psk_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
	82	{
	83	(void) fe;
	84	*unc = 0;
	85	return 0;
	86	}
	87
	88	static int gp8psk_fe_read_snr(struct dvb_frontend* fe, u16 *snr)
	89	{
	90	struct gp8psk_fe_state *st = fe->demodulator_priv;
458b634c AN	91	gp8psk_fe_update_status(st);
	92	/* snr is reported in dBu256 /
	93	*snr = st->snr;
9bbe076f AN	94	return 0;
	95	}
	96
	97	static int gp8psk_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
	98	{
458b634c AN	99	struct gp8psk_fe_state *st = fe->demodulator_priv;
	100	gp8psk_fe_update_status(st);
	101	/* snr is reported in dBu256 /
	102	/* snr / 38.4 ~= 100% strength */
	103	/* snr * 17 returns 100% strength as 65535 */
	104	if (st->snr > 0xf00)
	105	*strength = 0xffff;
	106	else
	107	strength = (st->snr << 4) + st->snr; / snr17 /
	108	return 0;
9bbe076f AN	109	}
	110
	111	static int gp8psk_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
	112	{
fb249ca6	113	tune->min_delay_ms = 800;
9bbe076f AN	114	return 0;
	115	}
	116
6e07d5c5	117	static int gp8psk_fe_set_frontend(struct dvb_frontend *fe)
9bbe076f AN	118	{
9bbe076f AN	119	struct gp8psk_fe_state *state = fe->demodulator_priv;
02ebf23b	120	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
9bbe076f	121	u8 cmd[10];
6e07d5c5	122	u32 freq = c->frequency * 1000;
02ebf23b AN	123	int gp_product_id = le16_to_cpu(state->d->udev->descriptor.idProduct);
	124
	125	deb_fe("%s()\n", __func__);
9bbe076f AN	126
	127	cmd[4] = freq & 0xff;
	128	cmd[5] = (freq >> 8) & 0xff;
	129	cmd[6] = (freq >> 16) & 0xff;
	130	cmd[7] = (freq >> 24) & 0xff;
	131
8fc74fdb AO	132	/* backwards compatibility: DVB-S + 8-PSK were used for Turbo-FEC */
	133	if (c->delivery_system == SYS_DVBS && c->modulation == PSK_8)
	134	c->delivery_system = SYS_TURBO;
	135
02ebf23b AN	136	switch (c->delivery_system) {
02ebf23b AN	137	case SYS_DVBS:
8fc74fdb	138	if (c->modulation != QPSK) {
02ebf23b AN	139	deb_fe("%s: unsupported modulation selected (%d)\n",
	140	__func__, c->modulation);
	141	return -EOPNOTSUPP;
	142	}
	143	c->fec_inner = FEC_AUTO;
9bbe076f	144	break;
8fc74fdb	145	case SYS_DVBS2: /* kept for backwards compatibility */
02ebf23b AN	146	deb_fe("%s: DVB-S2 delivery system selected\n", __func__);
02ebf23b AN	147	break;
8fc74fdb AO	148	case SYS_TURBO:
	149	deb_fe("%s: Turbo-FEC delivery system selected\n", __func__);
	150	break;
02ebf23b	151
9bbe076f	152	default:
02ebf23b AN	153	deb_fe("%s: unsupported delivery system selected (%d)\n",
	154	__func__, c->delivery_system);
	155	return -EOPNOTSUPP;
	156	}
	157
	158	cmd[0] = c->symbol_rate & 0xff;
	159	cmd[1] = (c->symbol_rate >> 8) & 0xff;
	160	cmd[2] = (c->symbol_rate >> 16) & 0xff;
	161	cmd[3] = (c->symbol_rate >> 24) & 0xff;
	162	switch (c->modulation) {
	163	case QPSK:
	164	if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
	165	if (gp8psk_tuned_to_DCII(fe))
	166	gp8psk_bcm4500_reload(state->d);
	167	switch (c->fec_inner) {
	168	case FEC_1_2:
	169	cmd[9] = 0; break;
	170	case FEC_2_3:
	171	cmd[9] = 1; break;
	172	case FEC_3_4:
	173	cmd[9] = 2; break;
	174	case FEC_5_6:
	175	cmd[9] = 3; break;
	176	case FEC_7_8:
	177	cmd[9] = 4; break;
	178	case FEC_AUTO:
	179	cmd[9] = 5; break;
	180	default:
	181	cmd[9] = 5; break;
	182	}
8fc74fdb AO	183	if (c->delivery_system == SYS_TURBO)
	184	cmd[8] = ADV_MOD_TURBO_QPSK;
	185	else
	186	cmd[8] = ADV_MOD_DVB_QPSK;
02ebf23b AN	187	break;
	188	case PSK_8: /* PSK_8 is for compatibility with DN */
	189	cmd[8] = ADV_MOD_TURBO_8PSK;
	190	switch (c->fec_inner) {
	191	case FEC_2_3:
	192	cmd[9] = 0; break;
	193	case FEC_3_4:
	194	cmd[9] = 1; break;
	195	case FEC_3_5:
	196	cmd[9] = 2; break;
	197	case FEC_5_6:
	198	cmd[9] = 3; break;
	199	case FEC_8_9:
	200	cmd[9] = 4; break;
	201	default:
	202	cmd[9] = 0; break;
	203	}
	204	break;
	205	case QAM_16: /* QAM_16 is for compatibility with DN */
	206	cmd[8] = ADV_MOD_TURBO_16QAM;
9bbe076f AN	207	cmd[9] = 0;
9bbe076f AN	208	break;
02ebf23b AN	209	default: /* Unknown modulation */
	210	deb_fe("%s: unsupported modulation selected (%d)\n",
	211	__func__, c->modulation);
	212	return -EOPNOTSUPP;
9bbe076f AN	213	}
9bbe076f AN	214
02ebf23b AN	215	if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
	216	gp8psk_set_tuner_mode(fe, 0);
	217	gp8psk_usb_out_op(state->d, TUNE_8PSK, 0, 0, cmd, 10);
9bbe076f	218
458b634c AN	219	state->lock = 0;
	220	state->next_status_check = jiffies;
	221	state->status_check_interval = 200;
9bbe076f AN	222
	223	return 0;
	224	}
	225
9bbe076f AN	226	static int gp8psk_fe_send_diseqc_msg (struct dvb_frontend* fe,
	227	struct dvb_diseqc_master_cmd *m)
	228	{
	229	struct gp8psk_fe_state *st = fe->demodulator_priv;
	230
708bebdd	231	deb_fe("%s\n",__func__);
9bbe076f AN	232
	233	if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, m->msg[0], 0,
	234	m->msg, m->msg_len)) {
	235	return -EINVAL;
	236	}
	237	return 0;
	238	}
	239
0df289a2 MCC	240	static int gp8psk_fe_send_diseqc_burst(struct dvb_frontend *fe,
0df289a2 MCC	241	enum fe_sec_mini_cmd burst)
9bbe076f AN	242	{
	243	struct gp8psk_fe_state *st = fe->demodulator_priv;
	244	u8 cmd;
	245
708bebdd	246	deb_fe("%s\n",__func__);
9bbe076f AN	247
	248	/* These commands are certainly wrong */
	249	cmd = (burst == SEC_MINI_A) ? 0x00 : 0x01;
	250
	251	if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, cmd, 0,
	252	&cmd, 0)) {
	253	return -EINVAL;
	254	}
	255	return 0;
	256	}
	257
0df289a2 MCC	258	static int gp8psk_fe_set_tone(struct dvb_frontend *fe,
0df289a2 MCC	259	enum fe_sec_tone_mode tone)
9bbe076f AN	260	{
	261	struct gp8psk_fe_state* state = fe->demodulator_priv;
	262
	263	if (gp8psk_usb_out_op(state->d,SET_22KHZ_TONE,
	264	(tone == SEC_TONE_ON), 0, NULL, 0)) {
	265	return -EINVAL;
	266	}
	267	return 0;
	268	}
	269
0df289a2 MCC	270	static int gp8psk_fe_set_voltage(struct dvb_frontend *fe,
0df289a2 MCC	271	enum fe_sec_voltage voltage)
9bbe076f AN	272	{
	273	struct gp8psk_fe_state* state = fe->demodulator_priv;
	274
	275	if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE,
	276	voltage == SEC_VOLTAGE_18, 0, NULL, 0)) {
	277	return -EINVAL;
	278	}
	279	return 0;
	280	}
	281
458b634c AN	282	static int gp8psk_fe_enable_high_lnb_voltage(struct dvb_frontend* fe, long onoff)
	283	{
	284	struct gp8psk_fe_state* state = fe->demodulator_priv;
	285	return gp8psk_usb_out_op(state->d, USE_EXTRA_VOLT, onoff, 0,NULL,0);
	286	}
	287
9bbe076f AN	288	static int gp8psk_fe_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long sw_cmd)
	289	{
	290	struct gp8psk_fe_state* state = fe->demodulator_priv;
	291	u8 cmd = sw_cmd & 0x7f;
	292
	293	if (gp8psk_usb_out_op(state->d,SET_DN_SWITCH, cmd, 0,
	294	NULL, 0)) {
	295	return -EINVAL;
	296	}
	297	if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE, !!(sw_cmd & 0x80),
	298	0, NULL, 0)) {
	299	return -EINVAL;
	300	}
	301
	302	return 0;
	303	}
	304
	305	static void gp8psk_fe_release(struct dvb_frontend* fe)
	306	{
	307	struct gp8psk_fe_state *state = fe->demodulator_priv;
	308	kfree(state);
	309	}
	310
	311	static struct dvb_frontend_ops gp8psk_fe_ops;
	312
	313	struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d)
	314	{
	315	struct gp8psk_fe_state *s = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL);
	316	if (s == NULL)
	317	goto error;
	318
	319	s->d = d;
	320	memcpy(&s->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops));
	321	s->fe.demodulator_priv = s;
	322
	323	goto success;
	324	error:
	325	return NULL;
	326	success:
	327	return &s->fe;
	328	}
	329
	330
	331	static struct dvb_frontend_ops gp8psk_fe_ops = {
6e07d5c5	332	.delsys = { SYS_DVBS },
9bbe076f	333	.info = {
d12da8e9	334	.name = "Genpix DVB-S",
458b634c AN	335	.frequency_min = 800000,
458b634c AN	336	.frequency_max = 2250000,
9bbe076f AN	337	.frequency_stepsize = 100,
	338	.symbol_rate_min = 1000000,
	339	.symbol_rate_max = 45000000,
	340	.symbol_rate_tolerance = 500, /* ppm */
	341	.caps = FE_CAN_INVERSION_AUTO \|
02ebf23b AN	342	FE_CAN_FEC_1_2 \| FE_CAN_FEC_2_3 \| FE_CAN_FEC_3_4 \|
	343	FE_CAN_FEC_5_6 \| FE_CAN_FEC_7_8 \| FE_CAN_FEC_AUTO \|
	344	/*
	345	* FE_CAN_QAM_16 is for compatibility
	346	* (Myth incorrectly detects Turbo-QPSK as plain QAM-16)
	347	*/
f6a20eb1	348	FE_CAN_QPSK \| FE_CAN_QAM_16 \| FE_CAN_TURBO_FEC
9bbe076f AN	349	},
	350
	351	.release = gp8psk_fe_release,
	352
	353	.init = NULL,
	354	.sleep = NULL,
	355
6e07d5c5	356	.set_frontend = gp8psk_fe_set_frontend,
02ebf23b	357
9bbe076f AN	358	.get_tune_settings = gp8psk_fe_get_tune_settings,
	359
	360	.read_status = gp8psk_fe_read_status,
	361	.read_ber = gp8psk_fe_read_ber,
	362	.read_signal_strength = gp8psk_fe_read_signal_strength,
	363	.read_snr = gp8psk_fe_read_snr,
	364	.read_ucblocks = gp8psk_fe_read_unc_blocks,
	365
	366	.diseqc_send_master_cmd = gp8psk_fe_send_diseqc_msg,
	367	.diseqc_send_burst = gp8psk_fe_send_diseqc_burst,
	368	.set_tone = gp8psk_fe_set_tone,
	369	.set_voltage = gp8psk_fe_set_voltage,
	370	.dishnetwork_send_legacy_command = gp8psk_fe_send_legacy_dish_cmd,
458b634c	371	.enable_high_lnb_voltage = gp8psk_fe_enable_high_lnb_voltage
9bbe076f	372	};