[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, 616 deletions

diff --git a/drivers/media/dvb/frontends/nxt6000.c b/drivers/media/dvb/frontends/nxt6000.c
deleted file mode 100644
index 90ae6c7..0000000
--- a/drivers/media/dvb/frontends/nxt6000.c
+++ /dev/null
@@ -1,616 +0,0 @@
-/*
-	NxtWave Communications - NXT6000 demodulator driver
-
-    Copyright (C) 2002-2003 Florian Schirmer <jolt@tuxbox.org>
-    Copyright (C) 2003 Paul Andreassen <paul@andreassen.com.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/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-
-#include "dvb_frontend.h"
-#include "nxt6000_priv.h"
-#include "nxt6000.h"
-
-
-
-struct nxt6000_state {
-	struct i2c_adapter* i2c;
-	/* configuration settings */
-	const struct nxt6000_config* config;
-	struct dvb_frontend frontend;
-};
-
-static int debug;
-#define dprintk if (debug) printk
-
-static int nxt6000_writereg(struct nxt6000_state* state, u8 reg, u8 data)
-{
-	u8 buf[] = { reg, data };
-	struct i2c_msg msg = {.addr = state->config->demod_address,.flags = 0,.buf = buf,.len = 2 };
-	int ret;
-
-	if ((ret = i2c_transfer(state->i2c, &msg, 1)) != 1)
-		dprintk("nxt6000: nxt6000_write error (reg: 0x%02X, data: 0x%02X, ret: %d)\n", reg, data, ret);
-
-	return (ret != 1) ? -EIO : 0;
-}
-
-static u8 nxt6000_readreg(struct nxt6000_state* state, u8 reg)
-{
-	int ret;
-	u8 b0[] = { reg };
-	u8 b1[] = { 0 };
-	struct i2c_msg msgs[] = {
-		{.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, msgs, 2);
-
-	if (ret != 2)
-		dprintk("nxt6000: nxt6000_read error (reg: 0x%02X, ret: %d)\n", reg, ret);
-
-	return b1[0];
-}
-
-static void nxt6000_reset(struct nxt6000_state* state)
-{
-	u8 val;
-
-	val = nxt6000_readreg(state, OFDM_COR_CTL);
-
-	nxt6000_writereg(state, OFDM_COR_CTL, val & ~COREACT);
-	nxt6000_writereg(state, OFDM_COR_CTL, val | COREACT);
-}
-
-static int nxt6000_set_bandwidth(struct nxt6000_state *state, u32 bandwidth)
-{
-	u16 nominal_rate;
-	int result;
-
-	switch (bandwidth) {
-	case 6000000:
-		nominal_rate = 0x55B7;
-		break;
-
-	case 7000000:
-		nominal_rate = 0x6400;
-		break;
-
-	case 8000000:
-		nominal_rate = 0x7249;
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	if ((result = nxt6000_writereg(state, OFDM_TRL_NOMINALRATE_1, nominal_rate & 0xFF)) < 0)
-		return result;
-
-	return nxt6000_writereg(state, OFDM_TRL_NOMINALRATE_2, (nominal_rate >> 8) & 0xFF);
-}
-
-static int nxt6000_set_guard_interval(struct nxt6000_state* state, fe_guard_interval_t guard_interval)
-{
-	switch (guard_interval) {
-
-	case GUARD_INTERVAL_1_32:
-		return nxt6000_writereg(state, OFDM_COR_MODEGUARD, 0x00 | (nxt6000_readreg(state, OFDM_COR_MODEGUARD) & ~0x03));
-
-	case GUARD_INTERVAL_1_16:
-		return nxt6000_writereg(state, OFDM_COR_MODEGUARD, 0x01 | (nxt6000_readreg(state, OFDM_COR_MODEGUARD) & ~0x03));
-
-	case GUARD_INTERVAL_AUTO:
-	case GUARD_INTERVAL_1_8:
-		return nxt6000_writereg(state, OFDM_COR_MODEGUARD, 0x02 | (nxt6000_readreg(state, OFDM_COR_MODEGUARD) & ~0x03));
-
-	case GUARD_INTERVAL_1_4:
-		return nxt6000_writereg(state, OFDM_COR_MODEGUARD, 0x03 | (nxt6000_readreg(state, OFDM_COR_MODEGUARD) & ~0x03));
-
-	default:
-		return -EINVAL;
-	}
-}
-
-static int nxt6000_set_inversion(struct nxt6000_state* state, fe_spectral_inversion_t inversion)
-{
-	switch (inversion) {
-
-	case INVERSION_OFF:
-		return nxt6000_writereg(state, OFDM_ITB_CTL, 0x00);
-
-	case INVERSION_ON:
-		return nxt6000_writereg(state, OFDM_ITB_CTL, ITBINV);
-
-	default:
-		return -EINVAL;
-
-	}
-}
-
-static int nxt6000_set_transmission_mode(struct nxt6000_state* state, fe_transmit_mode_t transmission_mode)
-{
-	int result;
-
-	switch (transmission_mode) {
-
-	case TRANSMISSION_MODE_2K:
-		if ((result = nxt6000_writereg(state, EN_DMD_RACQ, 0x00 | (nxt6000_readreg(state, EN_DMD_RACQ) & ~0x03))) < 0)
-			return result;
-
-		return nxt6000_writereg(state, OFDM_COR_MODEGUARD, (0x00 << 2) | (nxt6000_readreg(state, OFDM_COR_MODEGUARD) & ~0x04));
-
-	case TRANSMISSION_MODE_8K:
-	case TRANSMISSION_MODE_AUTO:
-		if ((result = nxt6000_writereg(state, EN_DMD_RACQ, 0x02 | (nxt6000_readreg(state, EN_DMD_RACQ) & ~0x03))) < 0)
-			return result;
-
-		return nxt6000_writereg(state, OFDM_COR_MODEGUARD, (0x01 << 2) | (nxt6000_readreg(state, OFDM_COR_MODEGUARD) & ~0x04));
-
-	default:
-		return -EINVAL;
-
-	}
-}
-
-static void nxt6000_setup(struct dvb_frontend* fe)
-{
-	struct nxt6000_state* state = fe->demodulator_priv;
-
-	nxt6000_writereg(state, RS_COR_SYNC_PARAM, SYNC_PARAM);
-	nxt6000_writereg(state, BER_CTRL, /*(1 << 2) | */ (0x01 << 1) | 0x01);
-	nxt6000_writereg(state, VIT_BERTIME_2, 0x00);  // BER Timer = 0x000200 * 256 = 131072 bits
-	nxt6000_writereg(state, VIT_BERTIME_1, 0x02);  //
-	nxt6000_writereg(state, VIT_BERTIME_0, 0x00);  //
-	nxt6000_writereg(state, VIT_COR_INTEN, 0x98); // Enable BER interrupts
-	nxt6000_writereg(state, VIT_COR_CTL, 0x82);   // Enable BER measurement
-	nxt6000_writereg(state, VIT_COR_CTL, VIT_COR_RESYNC | 0x02 );
-	nxt6000_writereg(state, OFDM_COR_CTL, (0x01 << 5) | (nxt6000_readreg(state, OFDM_COR_CTL) & 0x0F));
-	nxt6000_writereg(state, OFDM_COR_MODEGUARD, FORCEMODE8K | 0x02);
-	nxt6000_writereg(state, OFDM_AGC_CTL, AGCLAST | INITIAL_AGC_BW);
-	nxt6000_writereg(state, OFDM_ITB_FREQ_1, 0x06);
-	nxt6000_writereg(state, OFDM_ITB_FREQ_2, 0x31);
-	nxt6000_writereg(state, OFDM_CAS_CTL, (0x01 << 7) | (0x02 << 3) | 0x04);
-	nxt6000_writereg(state, CAS_FREQ, 0xBB);	/* CHECKME */
-	nxt6000_writereg(state, OFDM_SYR_CTL, 1 << 2);
-	nxt6000_writereg(state, OFDM_PPM_CTL_1, PPM256);
-	nxt6000_writereg(state, OFDM_TRL_NOMINALRATE_1, 0x49);
-	nxt6000_writereg(state, OFDM_TRL_NOMINALRATE_2, 0x72);
-	nxt6000_writereg(state, ANALOG_CONTROL_0, 1 << 5);
-	nxt6000_writereg(state, EN_DMD_RACQ, (1 << 7) | (3 << 4) | 2);
-	nxt6000_writereg(state, DIAG_CONFIG, TB_SET);
-
-	if (state->config->clock_inversion)
-		nxt6000_writereg(state, SUB_DIAG_MODE_SEL, CLKINVERSION);
-	else
-		nxt6000_writereg(state, SUB_DIAG_MODE_SEL, 0);
-
-	nxt6000_writereg(state, TS_FORMAT, 0);
-}
-
-static void nxt6000_dump_status(struct nxt6000_state *state)
-{
-	u8 val;
-
-/*
-	printk("RS_COR_STAT: 0x%02X\n", nxt6000_readreg(fe, RS_COR_STAT));
-	printk("VIT_SYNC_STATUS: 0x%02X\n", nxt6000_readreg(fe, VIT_SYNC_STATUS));
-	printk("OFDM_COR_STAT: 0x%02X\n", nxt6000_readreg(fe, OFDM_COR_STAT));
-	printk("OFDM_SYR_STAT: 0x%02X\n", nxt6000_readreg(fe, OFDM_SYR_STAT));
-	printk("OFDM_TPS_RCVD_1: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RCVD_1));
-	printk("OFDM_TPS_RCVD_2: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RCVD_2));
-	printk("OFDM_TPS_RCVD_3: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RCVD_3));
-	printk("OFDM_TPS_RCVD_4: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RCVD_4));
-	printk("OFDM_TPS_RESERVED_1: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RESERVED_1));
-	printk("OFDM_TPS_RESERVED_2: 0x%02X\n", nxt6000_readreg(fe, OFDM_TPS_RESERVED_2));
-*/
-	printk("NXT6000 status:");
-
-	val = nxt6000_readreg(state, RS_COR_STAT);
-
-	printk(" DATA DESCR LOCK: %d,", val & 0x01);
-	printk(" DATA SYNC LOCK: %d,", (val >> 1) & 0x01);
-
-	val = nxt6000_readreg(state, VIT_SYNC_STATUS);
-
-	printk(" VITERBI LOCK: %d,", (val >> 7) & 0x01);
-
-	switch ((val >> 4) & 0x07) {
-
-	case 0x00:
-		printk(" VITERBI CODERATE: 1/2,");
-		break;
-
-	case 0x01:
-		printk(" VITERBI CODERATE: 2/3,");
-		break;
-
-	case 0x02:
-		printk(" VITERBI CODERATE: 3/4,");
-		break;
-
-	case 0x03:
-		printk(" VITERBI CODERATE: 5/6,");
-		break;
-
-	case 0x04:
-		printk(" VITERBI CODERATE: 7/8,");
-		break;
-
-	default:
-		printk(" VITERBI CODERATE: Reserved,");
-
-	}
-
-	val = nxt6000_readreg(state, OFDM_COR_STAT);
-
-	printk(" CHCTrack: %d,", (val >> 7) & 0x01);
-	printk(" TPSLock: %d,", (val >> 6) & 0x01);
-	printk(" SYRLock: %d,", (val >> 5) & 0x01);
-	printk(" AGCLock: %d,", (val >> 4) & 0x01);
-
-	switch (val & 0x0F) {
-
-	case 0x00:
-		printk(" CoreState: IDLE,");
-		break;
-
-	case 0x02:
-		printk(" CoreState: WAIT_AGC,");
-		break;
-
-	case 0x03:
-		printk(" CoreState: WAIT_SYR,");
-		break;
-
-	case 0x04:
-		printk(" CoreState: WAIT_PPM,");
-		break;
-
-	case 0x01:
-		printk(" CoreState: WAIT_TRL,");
-		break;
-
-	case 0x05:
-		printk(" CoreState: WAIT_TPS,");
-		break;
-
-	case 0x06:
-		printk(" CoreState: MONITOR_TPS,");
-		break;
-
-	default:
-		printk(" CoreState: Reserved,");
-
-	}
-
-	val = nxt6000_readreg(state, OFDM_SYR_STAT);
-
-	printk(" SYRLock: %d,", (val >> 4) & 0x01);
-	printk(" SYRMode: %s,", (val >> 2) & 0x01 ? "8K" : "2K");
-
-	switch ((val >> 4) & 0x03) {
-
-	case 0x00:
-		printk(" SYRGuard: 1/32,");
-		break;
-
-	case 0x01:
-		printk(" SYRGuard: 1/16,");
-		break;
-
-	case 0x02:
-		printk(" SYRGuard: 1/8,");
-		break;
-
-	case 0x03:
-		printk(" SYRGuard: 1/4,");
-		break;
-	}
-
-	val = nxt6000_readreg(state, OFDM_TPS_RCVD_3);
-
-	switch ((val >> 4) & 0x07) {
-
-	case 0x00:
-		printk(" TPSLP: 1/2,");
-		break;
-
-	case 0x01:
-		printk(" TPSLP: 2/3,");
-		break;
-
-	case 0x02:
-		printk(" TPSLP: 3/4,");
-		break;
-
-	case 0x03:
-		printk(" TPSLP: 5/6,");
-		break;
-
-	case 0x04:
-		printk(" TPSLP: 7/8,");
-		break;
-
-	default:
-		printk(" TPSLP: Reserved,");
-
-	}
-
-	switch (val & 0x07) {
-
-	case 0x00:
-		printk(" TPSHP: 1/2,");
-		break;
-
-	case 0x01:
-		printk(" TPSHP: 2/3,");
-		break;
-
-	case 0x02:
-		printk(" TPSHP: 3/4,");
-		break;
-
-	case 0x03:
-		printk(" TPSHP: 5/6,");
-		break;
-
-	case 0x04:
-		printk(" TPSHP: 7/8,");
-		break;
-
-	default:
-		printk(" TPSHP: Reserved,");
-
-	}
-
-	val = nxt6000_readreg(state, OFDM_TPS_RCVD_4);
-
-	printk(" TPSMode: %s,", val & 0x01 ? "8K" : "2K");
-
-	switch ((val >> 4) & 0x03) {
-
-	case 0x00:
-		printk(" TPSGuard: 1/32,");
-		break;
-
-	case 0x01:
-		printk(" TPSGuard: 1/16,");
-		break;
-
-	case 0x02:
-		printk(" TPSGuard: 1/8,");
-		break;
-
-	case 0x03:
-		printk(" TPSGuard: 1/4,");
-		break;
-
-	}
-
-	/* Strange magic required to gain access to RF_AGC_STATUS */
-	nxt6000_readreg(state, RF_AGC_VAL_1);
-	val = nxt6000_readreg(state, RF_AGC_STATUS);
-	val = nxt6000_readreg(state, RF_AGC_STATUS);
-
-	printk(" RF AGC LOCK: %d,", (val >> 4) & 0x01);
-	printk("\n");
-}
-
-static int nxt6000_read_status(struct dvb_frontend* fe, fe_status_t* status)
-{
-	u8 core_status;
-	struct nxt6000_state* state = fe->demodulator_priv;
-
-	*status = 0;
-
-	core_status = nxt6000_readreg(state, OFDM_COR_STAT);
-
-	if (core_status & AGCLOCKED)
-		*status |= FE_HAS_SIGNAL;
-
-	if (nxt6000_readreg(state, OFDM_SYR_STAT) & GI14_SYR_LOCK)
-		*status |= FE_HAS_CARRIER;
-
-	if (nxt6000_readreg(state, VIT_SYNC_STATUS) & VITINSYNC)
-		*status |= FE_HAS_VITERBI;
-
-	if (nxt6000_readreg(state, RS_COR_STAT) & RSCORESTATUS)
-		*status |= FE_HAS_SYNC;
-
-	if ((core_status & TPSLOCKED) && (*status == (FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)))
-		*status |= FE_HAS_LOCK;
-
-	if (debug)
-		nxt6000_dump_status(state);
-
-	return 0;
-}
-
-static int nxt6000_init(struct dvb_frontend* fe)
-{
-	struct nxt6000_state* state = fe->demodulator_priv;
-
-	nxt6000_reset(state);
-	nxt6000_setup(fe);
-
-	return 0;
-}
-
-static int nxt6000_set_frontend(struct dvb_frontend *fe)
-{
-	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
-	struct nxt6000_state* state = fe->demodulator_priv;
-	int result;
-
-	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);
-	}
-
-	result = nxt6000_set_bandwidth(state, p->bandwidth_hz);
-	if (result < 0)
-		return result;
-
-	result = nxt6000_set_guard_interval(state, p->guard_interval);
-	if (result < 0)
-		return result;
-
-	result = nxt6000_set_transmission_mode(state, p->transmission_mode);
-	if (result < 0)
-		return result;
-
-	result = nxt6000_set_inversion(state, p->inversion);
-	if (result < 0)
-		return result;
-
-	msleep(500);
-	return 0;
-}
-
-static void nxt6000_release(struct dvb_frontend* fe)
-{
-	struct nxt6000_state* state = fe->demodulator_priv;
-	kfree(state);
-}
-
-static int nxt6000_read_snr(struct dvb_frontend* fe, u16* snr)
-{
-	struct nxt6000_state* state = fe->demodulator_priv;
-
-	*snr = nxt6000_readreg( state, OFDM_CHC_SNR) / 8;
-
-	return 0;
-}
-
-static int nxt6000_read_ber(struct dvb_frontend* fe, u32* ber)
-{
-	struct nxt6000_state* state = fe->demodulator_priv;
-
-	nxt6000_writereg( state, VIT_COR_INTSTAT, 0x18 );
-
-	*ber = (nxt6000_readreg( state, VIT_BER_1 ) << 8 ) |
-		nxt6000_readreg( state, VIT_BER_0 );
-
-	nxt6000_writereg( state, VIT_COR_INTSTAT, 0x18); // Clear BER Done interrupts
-
-	return 0;
-}
-
-static int nxt6000_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
-{
-	struct nxt6000_state* state = fe->demodulator_priv;
-
-	*signal_strength = (short) (511 -
-		(nxt6000_readreg(state, AGC_GAIN_1) +
-		((nxt6000_readreg(state, AGC_GAIN_2) & 0x03) << 8)));
-
-	return 0;
-}
-
-static int nxt6000_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
-{
-	tune->min_delay_ms = 500;
-	return 0;
-}
-
-static int nxt6000_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
-{
-	struct nxt6000_state* state = fe->demodulator_priv;
-
-	if (enable) {
-		return nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x01);
-	} else {
-		return nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x00);
-	}
-}
-
-static struct dvb_frontend_ops nxt6000_ops;
-
-struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
-				    struct i2c_adapter* i2c)
-{
-	struct nxt6000_state* state = NULL;
-
-	/* allocate memory for the internal state */
-	state = kzalloc(sizeof(struct nxt6000_state), GFP_KERNEL);
-	if (state == NULL) goto error;
-
-	/* setup the state */
-	state->config = config;
-	state->i2c = i2c;
-
-	/* check if the demod is there */
-	if (nxt6000_readreg(state, OFDM_MSC_REV) != NXT6000ASICDEVICE) goto error;
-
-	/* create dvb_frontend */
-	memcpy(&state->frontend.ops, &nxt6000_ops, sizeof(struct dvb_frontend_ops));
-	state->frontend.demodulator_priv = state;
-	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
-}
-
-static struct dvb_frontend_ops nxt6000_ops = {
-	.delsys = { SYS_DVBT },
-	.info = {
-		.name = "NxtWave NXT6000 DVB-T",
-		.frequency_min = 0,
-		.frequency_max = 863250000,
-		.frequency_stepsize = 62500,
-		/*.frequency_tolerance = *//* FIXME: 12% of SR */
-		.symbol_rate_min = 0,	/* FIXME */
-		.symbol_rate_max = 9360000,	/* FIXME */
-		.symbol_rate_tolerance = 4000,
-		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
-			FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
-			FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
-			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,
-	},
-
-	.release = nxt6000_release,
-
-	.init = nxt6000_init,
-	.i2c_gate_ctrl = nxt6000_i2c_gate_ctrl,
-
-	.get_tune_settings = nxt6000_fe_get_tune_settings,
-
-	.set_frontend = nxt6000_set_frontend,
-
-	.read_status = nxt6000_read_status,
-	.read_ber = nxt6000_read_ber,
-	.read_signal_strength = nxt6000_read_signal_strength,
-	.read_snr = nxt6000_read_snr,
-};
-
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-
-MODULE_DESCRIPTION("NxtWave NXT6000 DVB-T demodulator driver");
-MODULE_AUTHOR("Florian Schirmer");
-MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(nxt6000_attach);