[media] move the dvb/frontends to drivers/media/dvb-frontends

Raise the DVB frontends one level up, as the intention is to remove
the drivers/media/dvb directory.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 610 deletions

diff --git a/drivers/media/dvb/frontends/mt352.c b/drivers/media/dvb/frontends/mt352.c
deleted file mode 100644
index 2c3b50e..0000000
--- a/drivers/media/dvb/frontends/mt352.c
+++ /dev/null
@@ -1,610 +0,0 @@
-/*
- *  Driver for Zarlink DVB-T MT352 demodulator
- *
- *  Written by Holger Waechtler <holger@qanu.de>
- *	 and Daniel Mack <daniel@qanu.de>
- *
- *  AVerMedia AVerTV DVB-T 771 support by
- *       Wolfram Joost <dbox2@frokaschwei.de>
- *
- *  Support for Samsung TDTC9251DH01C(M) tuner
- *  Copyright (C) 2004 Antonio Mancuso <antonio.mancuso@digitaltelevision.it>
- *                     Amauri  Celani  <acelani@essegi.net>
- *
- *  DVICO FusionHDTV DVB-T1 and DVICO FusionHDTV DVB-T Lite support by
- *       Christopher Pascoe <c.pascoe@itee.uq.edu.au>
- *
- *  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., 675 Mass Ave, Cambridge, MA 02139, USA.=
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-
-#include "dvb_frontend.h"
-#include "mt352_priv.h"
-#include "mt352.h"
-
-struct mt352_state {
-	struct i2c_adapter* i2c;
-	struct dvb_frontend frontend;
-
-	/* configuration settings */
-	struct mt352_config config;
-};
-
-static int debug;
-#define dprintk(args...) \
-	do { \
-		if (debug) printk(KERN_DEBUG "mt352: " args); \
-	} while (0)
-
-static int mt352_single_write(struct dvb_frontend *fe, u8 reg, u8 val)
-{
-	struct mt352_state* state = fe->demodulator_priv;
-	u8 buf[2] = { reg, val };
-	struct i2c_msg msg = { .addr = state->config.demod_address, .flags = 0,
-			       .buf = buf, .len = 2 };
-	int err = i2c_transfer(state->i2c, &msg, 1);
-	if (err != 1) {
-		printk("mt352_write() to reg %x failed (err = %d)!\n", reg, err);
-		return err;
-	}
-	return 0;
-}
-
-static int _mt352_write(struct dvb_frontend* fe, const u8 ibuf[], int ilen)
-{
-	int err,i;
-	for (i=0; i < ilen-1; i++)
-		if ((err = mt352_single_write(fe,ibuf[0]+i,ibuf[i+1])))
-			return err;
-
-	return 0;
-}
-
-static int mt352_read_register(struct mt352_state* state, u8 reg)
-{
-	int ret;
-	u8 b0 [] = { reg };
-	u8 b1 [] = { 0 };
-	struct i2c_msg msg [] = { { .addr = state->config.demod_address,
-				    .flags = 0,
-				    .buf = b0, .len = 1 },
-				  { .addr = state->config.demod_address,
-				    .flags = I2C_M_RD,
-				    .buf = b1, .len = 1 } };
-
-	ret = i2c_transfer(state->i2c, msg, 2);
-
-	if (ret != 2) {
-		printk("%s: readreg error (reg=%d, ret==%i)\n",
-		       __func__, reg, ret);
-		return ret;
-	}
-
-	return b1[0];
-}
-
-static int mt352_sleep(struct dvb_frontend* fe)
-{
-	static u8 mt352_softdown[] = { CLOCK_CTL, 0x20, 0x08 };
-
-	_mt352_write(fe, mt352_softdown, sizeof(mt352_softdown));
-	return 0;
-}
-
-static void mt352_calc_nominal_rate(struct mt352_state* state,
-				    u32 bandwidth,
-				    unsigned char *buf)
-{
-	u32 adc_clock = 20480; /* 20.340 MHz */
-	u32 bw,value;
-
-	switch (bandwidth) {
-	case 6000000:
-		bw = 6;
-		break;
-	case 7000000:
-		bw = 7;
-		break;
-	case 8000000:
-	default:
-		bw = 8;
-		break;
-	}
-	if (state->config.adc_clock)
-		adc_clock = state->config.adc_clock;
-
-	value = 64 * bw * (1<<16) / (7 * 8);
-	value = value * 1000 / adc_clock;
-	dprintk("%s: bw %d, adc_clock %d => 0x%x\n",
-		__func__, bw, adc_clock, value);
-	buf[0] = msb(value);
-	buf[1] = lsb(value);
-}
-
-static void mt352_calc_input_freq(struct mt352_state* state,
-				  unsigned char *buf)
-{
-	int adc_clock = 20480; /* 20.480000 MHz */
-	int if2       = 36167; /* 36.166667 MHz */
-	int ife,value;
-
-	if (state->config.adc_clock)
-		adc_clock = state->config.adc_clock;
-	if (state->config.if2)
-		if2 = state->config.if2;
-
-	if (adc_clock >= if2 * 2)
-		ife = if2;
-	else {
-		ife = adc_clock - (if2 % adc_clock);
-		if (ife > adc_clock / 2)
-			ife = adc_clock - ife;
-	}
-	value = -16374 * ife / adc_clock;
-	dprintk("%s: if2 %d, ife %d, adc_clock %d => %d / 0x%x\n",
-		__func__, if2, ife, adc_clock, value, value & 0x3fff);
-	buf[0] = msb(value);
-	buf[1] = lsb(value);
-}
-
-static int mt352_set_parameters(struct dvb_frontend *fe)
-{
-	struct dtv_frontend_properties *op = &fe->dtv_property_cache;
-	struct mt352_state* state = fe->demodulator_priv;
-	unsigned char buf[13];
-	static unsigned char tuner_go[] = { 0x5d, 0x01 };
-	static unsigned char fsm_go[]   = { 0x5e, 0x01 };
-	unsigned int tps = 0;
-
-	switch (op->code_rate_HP) {
-		case FEC_2_3:
-			tps |= (1 << 7);
-			break;
-		case FEC_3_4:
-			tps |= (2 << 7);
-			break;
-		case FEC_5_6:
-			tps |= (3 << 7);
-			break;
-		case FEC_7_8:
-			tps |= (4 << 7);
-			break;
-		case FEC_1_2:
-		case FEC_AUTO:
-			break;
-		default:
-			return -EINVAL;
-	}
-
-	switch (op->code_rate_LP) {
-		case FEC_2_3:
-			tps |= (1 << 4);
-			break;
-		case FEC_3_4:
-			tps |= (2 << 4);
-			break;
-		case FEC_5_6:
-			tps |= (3 << 4);
-			break;
-		case FEC_7_8:
-			tps |= (4 << 4);
-			break;
-		case FEC_1_2:
-		case FEC_AUTO:
-			break;
-		case FEC_NONE:
-			if (op->hierarchy == HIERARCHY_AUTO ||
-			    op->hierarchy == HIERARCHY_NONE)
-				break;
-		default:
-			return -EINVAL;
-	}
-
-	switch (op->modulation) {
-		case QPSK:
-			break;
-		case QAM_AUTO:
-		case QAM_16:
-			tps |= (1 << 13);
-			break;
-		case QAM_64:
-			tps |= (2 << 13);
-			break;
-		default:
-			return -EINVAL;
-	}
-
-	switch (op->transmission_mode) {
-		case TRANSMISSION_MODE_2K:
-		case TRANSMISSION_MODE_AUTO:
-			break;
-		case TRANSMISSION_MODE_8K:
-			tps |= (1 << 0);
-			break;
-		default:
-			return -EINVAL;
-	}
-
-	switch (op->guard_interval) {
-		case GUARD_INTERVAL_1_32:
-		case GUARD_INTERVAL_AUTO:
-			break;
-		case GUARD_INTERVAL_1_16:
-			tps |= (1 << 2);
-			break;
-		case GUARD_INTERVAL_1_8:
-			tps |= (2 << 2);
-			break;
-		case GUARD_INTERVAL_1_4:
-			tps |= (3 << 2);
-			break;
-		default:
-			return -EINVAL;
-	}
-
-	switch (op->hierarchy) {
-		case HIERARCHY_AUTO:
-		case HIERARCHY_NONE:
-			break;
-		case HIERARCHY_1:
-			tps |= (1 << 10);
-			break;
-		case HIERARCHY_2:
-			tps |= (2 << 10);
-			break;
-		case HIERARCHY_4:
-			tps |= (3 << 10);
-			break;
-		default:
-			return -EINVAL;
-	}
-
-
-	buf[0] = TPS_GIVEN_1; /* TPS_GIVEN_1 and following registers */
-
-	buf[1] = msb(tps);      /* TPS_GIVEN_(1|0) */
-	buf[2] = lsb(tps);
-
-	buf[3] = 0x50;  // old
-//	buf[3] = 0xf4;  // pinnacle
-
-	mt352_calc_nominal_rate(state, op->bandwidth_hz, buf+4);
-	mt352_calc_input_freq(state, buf+6);
-
-	if (state->config.no_tuner) {
-		if (fe->ops.tuner_ops.set_params) {
-			fe->ops.tuner_ops.set_params(fe);
-			if (fe->ops.i2c_gate_ctrl)
-				fe->ops.i2c_gate_ctrl(fe, 0);
-		}
-
-		_mt352_write(fe, buf, 8);
-		_mt352_write(fe, fsm_go, 2);
-	} else {
-		if (fe->ops.tuner_ops.calc_regs) {
-			fe->ops.tuner_ops.calc_regs(fe, buf+8, 5);
-			buf[8] <<= 1;
-			_mt352_write(fe, buf, sizeof(buf));
-			_mt352_write(fe, tuner_go, 2);
-		}
-	}
-
-	return 0;
-}
-
-static int mt352_get_parameters(struct dvb_frontend* fe)
-{
-	struct dtv_frontend_properties *op = &fe->dtv_property_cache;
-	struct mt352_state* state = fe->demodulator_priv;
-	u16 tps;
-	u16 div;
-	u8 trl;
-	static const u8 tps_fec_to_api[8] =
-	{
-		FEC_1_2,
-		FEC_2_3,
-		FEC_3_4,
-		FEC_5_6,
-		FEC_7_8,
-		FEC_AUTO,
-		FEC_AUTO,
-		FEC_AUTO
-	};
-
-	if ( (mt352_read_register(state,0x00) & 0xC0) != 0xC0 )
-		return -EINVAL;
-
-	/* Use TPS_RECEIVED-registers, not the TPS_CURRENT-registers because
-	 * the mt352 sometimes works with the wrong parameters
-	 */
-	tps = (mt352_read_register(state, TPS_RECEIVED_1) << 8) | mt352_read_register(state, TPS_RECEIVED_0);
-	div = (mt352_read_register(state, CHAN_START_1) << 8) | mt352_read_register(state, CHAN_START_0);
-	trl = mt352_read_register(state, TRL_NOMINAL_RATE_1);
-
-	op->code_rate_HP = tps_fec_to_api[(tps >> 7) & 7];
-	op->code_rate_LP = tps_fec_to_api[(tps >> 4) & 7];
-
-	switch ( (tps >> 13) & 3)
-	{
-		case 0:
-			op->modulation = QPSK;
-			break;
-		case 1:
-			op->modulation = QAM_16;
-			break;
-		case 2:
-			op->modulation = QAM_64;
-			break;
-		default:
-			op->modulation = QAM_AUTO;
-			break;
-	}
-
-	op->transmission_mode = (tps & 0x01) ? TRANSMISSION_MODE_8K : TRANSMISSION_MODE_2K;
-
-	switch ( (tps >> 2) & 3)
-	{
-		case 0:
-			op->guard_interval = GUARD_INTERVAL_1_32;
-			break;
-		case 1:
-			op->guard_interval = GUARD_INTERVAL_1_16;
-			break;
-		case 2:
-			op->guard_interval = GUARD_INTERVAL_1_8;
-			break;
-		case 3:
-			op->guard_interval = GUARD_INTERVAL_1_4;
-			break;
-		default:
-			op->guard_interval = GUARD_INTERVAL_AUTO;
-			break;
-	}
-
-	switch ( (tps >> 10) & 7)
-	{
-		case 0:
-			op->hierarchy = HIERARCHY_NONE;
-			break;
-		case 1:
-			op->hierarchy = HIERARCHY_1;
-			break;
-		case 2:
-			op->hierarchy = HIERARCHY_2;
-			break;
-		case 3:
-			op->hierarchy = HIERARCHY_4;
-			break;
-		default:
-			op->hierarchy = HIERARCHY_AUTO;
-			break;
-	}
-
-	op->frequency = (500 * (div - IF_FREQUENCYx6)) / 3 * 1000;
-
-	if (trl == 0x72)
-		op->bandwidth_hz = 8000000;
-	else if (trl == 0x64)
-		op->bandwidth_hz = 7000000;
-	else
-		op->bandwidth_hz = 6000000;
-
-
-	if (mt352_read_register(state, STATUS_2) & 0x02)
-		op->inversion = INVERSION_OFF;
-	else
-		op->inversion = INVERSION_ON;
-
-	return 0;
-}
-
-static int mt352_read_status(struct dvb_frontend* fe, fe_status_t* status)
-{
-	struct mt352_state* state = fe->demodulator_priv;
-	int s0, s1, s3;
-
-	/* FIXME:
-	 *
-	 * The MT352 design manual from Zarlink states (page 46-47):
-	 *
-	 * Notes about the TUNER_GO register:
-	 *
-	 * If the Read_Tuner_Byte (bit-1) is activated, then the tuner status
-	 * byte is copied from the tuner to the STATUS_3 register and
-	 * completion of the read operation is indicated by bit-5 of the
-	 * INTERRUPT_3 register.
-	 */
-
-	if ((s0 = mt352_read_register(state, STATUS_0)) < 0)
-		return -EREMOTEIO;
-	if ((s1 = mt352_read_register(state, STATUS_1)) < 0)
-		return -EREMOTEIO;
-	if ((s3 = mt352_read_register(state, STATUS_3)) < 0)
-		return -EREMOTEIO;
-
-	*status = 0;
-	if (s0 & (1 << 4))
-		*status |= FE_HAS_CARRIER;
-	if (s0 & (1 << 1))
-		*status |= FE_HAS_VITERBI;
-	if (s0 & (1 << 5))
-		*status |= FE_HAS_LOCK;
-	if (s1 & (1 << 1))
-		*status |= FE_HAS_SYNC;
-	if (s3 & (1 << 6))
-		*status |= FE_HAS_SIGNAL;
-
-	if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) !=
-		      (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC))
-		*status &= ~FE_HAS_LOCK;
-
-	return 0;
-}
-
-static int mt352_read_ber(struct dvb_frontend* fe, u32* ber)
-{
-	struct mt352_state* state = fe->demodulator_priv;
-
-	*ber = (mt352_read_register (state, RS_ERR_CNT_2) << 16) |
-	       (mt352_read_register (state, RS_ERR_CNT_1) << 8) |
-	       (mt352_read_register (state, RS_ERR_CNT_0));
-
-	return 0;
-}
-
-static int mt352_read_signal_strength(struct dvb_frontend* fe, u16* strength)
-{
-	struct mt352_state* state = fe->demodulator_priv;
-
-	/* align the 12 bit AGC gain with the most significant bits */
-	u16 signal = ((mt352_read_register(state, AGC_GAIN_1) & 0x0f) << 12) |
-		(mt352_read_register(state, AGC_GAIN_0) << 4);
-
-	/* inverse of gain is signal strength */
-	*strength = ~signal;
-	return 0;
-}
-
-static int mt352_read_snr(struct dvb_frontend* fe, u16* snr)
-{
-	struct mt352_state* state = fe->demodulator_priv;
-
-	u8 _snr = mt352_read_register (state, SNR);
-	*snr = (_snr << 8) | _snr;
-
-	return 0;
-}
-
-static int mt352_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
-{
-	struct mt352_state* state = fe->demodulator_priv;
-
-	*ucblocks = (mt352_read_register (state,  RS_UBC_1) << 8) |
-		    (mt352_read_register (state,  RS_UBC_0));
-
-	return 0;
-}
-
-static int mt352_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings)
-{
-	fe_tune_settings->min_delay_ms = 800;
-	fe_tune_settings->step_size = 0;
-	fe_tune_settings->max_drift = 0;
-
-	return 0;
-}
-
-static int mt352_init(struct dvb_frontend* fe)
-{
-	struct mt352_state* state = fe->demodulator_priv;
-
-	static u8 mt352_reset_attach [] = { RESET, 0xC0 };
-
-	dprintk("%s: hello\n",__func__);
-
-	if ((mt352_read_register(state, CLOCK_CTL) & 0x10) == 0 ||
-	    (mt352_read_register(state, CONFIG) & 0x20) == 0) {
-
-		/* Do a "hard" reset */
-		_mt352_write(fe, mt352_reset_attach, sizeof(mt352_reset_attach));
-		return state->config.demod_init(fe);
-	}
-
-	return 0;
-}
-
-static void mt352_release(struct dvb_frontend* fe)
-{
-	struct mt352_state* state = fe->demodulator_priv;
-	kfree(state);
-}
-
-static struct dvb_frontend_ops mt352_ops;
-
-struct dvb_frontend* mt352_attach(const struct mt352_config* config,
-				  struct i2c_adapter* i2c)
-{
-	struct mt352_state* state = NULL;
-
-	/* allocate memory for the internal state */
-	state = kzalloc(sizeof(struct mt352_state), GFP_KERNEL);
-	if (state == NULL) goto error;
-
-	/* setup the state */
-	state->i2c = i2c;
-	memcpy(&state->config,config,sizeof(struct mt352_config));
-
-	/* check if the demod is there */
-	if (mt352_read_register(state, CHIP_ID) != ID_MT352) goto error;
-
-	/* create dvb_frontend */
-	memcpy(&state->frontend.ops, &mt352_ops, sizeof(struct dvb_frontend_ops));
-	state->frontend.demodulator_priv = state;
-	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
-}
-
-static struct dvb_frontend_ops mt352_ops = {
-	.delsys = { SYS_DVBT },
-	.info = {
-		.name			= "Zarlink MT352 DVB-T",
-		.frequency_min		= 174000000,
-		.frequency_max		= 862000000,
-		.frequency_stepsize	= 166667,
-		.frequency_tolerance	= 0,
-		.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
-	},
-
-	.release = mt352_release,
-
-	.init = mt352_init,
-	.sleep = mt352_sleep,
-	.write = _mt352_write,
-
-	.set_frontend = mt352_set_parameters,
-	.get_frontend = mt352_get_parameters,
-	.get_tune_settings = mt352_get_tune_settings,
-
-	.read_status = mt352_read_status,
-	.read_ber = mt352_read_ber,
-	.read_signal_strength = mt352_read_signal_strength,
-	.read_snr = mt352_read_snr,
-	.read_ucblocks = mt352_read_ucblocks,
-};
-
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-
-MODULE_DESCRIPTION("Zarlink MT352 DVB-T Demodulator driver");
-MODULE_AUTHOR("Holger Waechtler, Daniel Mack, Antonio Mancuso");
-MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(mt352_attach);