[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, 653 deletions

diff --git a/drivers/media/dvb/frontends/cx22702.c b/drivers/media/dvb/frontends/cx22702.c
deleted file mode 100644
index edc8eafc5c09..000000000000
--- a/drivers/media/dvb/frontends/cx22702.c
+++ /dev/null
@@ -1,653 +0,0 @@
-/*
-    Conexant 22702 DVB OFDM demodulator driver
-
-    based on:
-	Alps TDMB7 DVB OFDM demodulator driver
-
-    Copyright (C) 2001-2002 Convergence Integrated Media GmbH
-	  Holger Waechtler <holger@convergence.de>
-
-    Copyright (C) 2004 Steven Toth <stoth@linuxtv.org>
-
-    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/init.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include "dvb_frontend.h"
-#include "cx22702.h"
-
-struct cx22702_state {
-
-	struct i2c_adapter *i2c;
-
-	/* configuration settings */
-	const struct cx22702_config *config;
-
-	struct dvb_frontend frontend;
-
-	/* previous uncorrected block counter */
-	u8 prevUCBlocks;
-};
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Enable verbose debug messages");
-
-#define dprintk	if (debug) printk
-
-/* Register values to initialise the demod */
-static const u8 init_tab[] = {
-	0x00, 0x00, /* Stop acquisition */
-	0x0B, 0x06,
-	0x09, 0x01,
-	0x0D, 0x41,
-	0x16, 0x32,
-	0x20, 0x0A,
-	0x21, 0x17,
-	0x24, 0x3e,
-	0x26, 0xff,
-	0x27, 0x10,
-	0x28, 0x00,
-	0x29, 0x00,
-	0x2a, 0x10,
-	0x2b, 0x00,
-	0x2c, 0x10,
-	0x2d, 0x00,
-	0x48, 0xd4,
-	0x49, 0x56,
-	0x6b, 0x1e,
-	0xc8, 0x02,
-	0xf9, 0x00,
-	0xfa, 0x00,
-	0xfb, 0x00,
-	0xfc, 0x00,
-	0xfd, 0x00,
-};
-
-static int cx22702_writereg(struct cx22702_state *state, u8 reg, u8 data)
-{
-	int ret;
-	u8 buf[] = { reg, data };
-	struct i2c_msg msg = {
-		.addr = state->config->demod_address, .flags = 0,
-			.buf = buf, .len = 2 };
-
-	ret = i2c_transfer(state->i2c, &msg, 1);
-
-	if (unlikely(ret != 1)) {
-		printk(KERN_ERR
-			"%s: error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
-			__func__, reg, data, ret);
-		return -1;
-	}
-
-	return 0;
-}
-
-static u8 cx22702_readreg(struct cx22702_state *state, u8 reg)
-{
-	int ret;
-	u8 data;
-
-	struct i2c_msg msg[] = {
-		{ .addr = state->config->demod_address, .flags = 0,
-			.buf = &reg, .len = 1 },
-		{ .addr = state->config->demod_address, .flags = I2C_M_RD,
-			.buf = &data, .len = 1 } };
-
-	ret = i2c_transfer(state->i2c, msg, 2);
-
-	if (unlikely(ret != 2)) {
-		printk(KERN_ERR "%s: error (reg == 0x%02x, ret == %i)\n",
-			__func__, reg, ret);
-		return 0;
-	}
-
-	return data;
-}
-
-static int cx22702_set_inversion(struct cx22702_state *state, int inversion)
-{
-	u8 val;
-
-	val = cx22702_readreg(state, 0x0C);
-	switch (inversion) {
-	case INVERSION_AUTO:
-		return -EOPNOTSUPP;
-	case INVERSION_ON:
-		val |= 0x01;
-		break;
-	case INVERSION_OFF:
-		val &= 0xfe;
-		break;
-	default:
-		return -EINVAL;
-	}
-	return cx22702_writereg(state, 0x0C, val);
-}
-
-/* Retrieve the demod settings */
-static int cx22702_get_tps(struct cx22702_state *state,
-			   struct dtv_frontend_properties *p)
-{
-	u8 val;
-
-	/* Make sure the TPS regs are valid */
-	if (!(cx22702_readreg(state, 0x0A) & 0x20))
-		return -EAGAIN;
-
-	val = cx22702_readreg(state, 0x01);
-	switch ((val & 0x18) >> 3) {
-	case 0:
-		p->modulation = QPSK;
-		break;
-	case 1:
-		p->modulation = QAM_16;
-		break;
-	case 2:
-		p->modulation = QAM_64;
-		break;
-	}
-	switch (val & 0x07) {
-	case 0:
-		p->hierarchy = HIERARCHY_NONE;
-		break;
-	case 1:
-		p->hierarchy = HIERARCHY_1;
-		break;
-	case 2:
-		p->hierarchy = HIERARCHY_2;
-		break;
-	case 3:
-		p->hierarchy = HIERARCHY_4;
-		break;
-	}
-
-
-	val = cx22702_readreg(state, 0x02);
-	switch ((val & 0x38) >> 3) {
-	case 0:
-		p->code_rate_HP = FEC_1_2;
-		break;
-	case 1:
-		p->code_rate_HP = FEC_2_3;
-		break;
-	case 2:
-		p->code_rate_HP = FEC_3_4;
-		break;
-	case 3:
-		p->code_rate_HP = FEC_5_6;
-		break;
-	case 4:
-		p->code_rate_HP = FEC_7_8;
-		break;
-	}
-	switch (val & 0x07) {
-	case 0:
-		p->code_rate_LP = FEC_1_2;
-		break;
-	case 1:
-		p->code_rate_LP = FEC_2_3;
-		break;
-	case 2:
-		p->code_rate_LP = FEC_3_4;
-		break;
-	case 3:
-		p->code_rate_LP = FEC_5_6;
-		break;
-	case 4:
-		p->code_rate_LP = FEC_7_8;
-		break;
-	}
-
-	val = cx22702_readreg(state, 0x03);
-	switch ((val & 0x0c) >> 2) {
-	case 0:
-		p->guard_interval = GUARD_INTERVAL_1_32;
-		break;
-	case 1:
-		p->guard_interval = GUARD_INTERVAL_1_16;
-		break;
-	case 2:
-		p->guard_interval = GUARD_INTERVAL_1_8;
-		break;
-	case 3:
-		p->guard_interval = GUARD_INTERVAL_1_4;
-		break;
-	}
-	switch (val & 0x03) {
-	case 0:
-		p->transmission_mode = TRANSMISSION_MODE_2K;
-		break;
-	case 1:
-		p->transmission_mode = TRANSMISSION_MODE_8K;
-		break;
-	}
-
-	return 0;
-}
-
-static int cx22702_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
-{
-	struct cx22702_state *state = fe->demodulator_priv;
-	u8 val;
-
-	dprintk("%s(%d)\n", __func__, enable);
-	val = cx22702_readreg(state, 0x0D);
-	if (enable)
-		val &= 0xfe;
-	else
-		val |= 0x01;
-	return cx22702_writereg(state, 0x0D, val);
-}
-
-/* Talk to the demod, set the FEC, GUARD, QAM settings etc */
-static int cx22702_set_tps(struct dvb_frontend *fe)
-{
-	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
-	u8 val;
-	struct cx22702_state *state = fe->demodulator_priv;
-
-	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);
-	}
-
-	/* set inversion */
-	cx22702_set_inversion(state, p->inversion);
-
-	/* set bandwidth */
-	val = cx22702_readreg(state, 0x0C) & 0xcf;
-	switch (p->bandwidth_hz) {
-	case 6000000:
-		val |= 0x20;
-		break;
-	case 7000000:
-		val |= 0x10;
-		break;
-	case 8000000:
-		break;
-	default:
-		dprintk("%s: invalid bandwidth\n", __func__);
-		return -EINVAL;
-	}
-	cx22702_writereg(state, 0x0C, val);
-
-	p->code_rate_LP = FEC_AUTO; /* temp hack as manual not working */
-
-	/* use auto configuration? */
-	if ((p->hierarchy == HIERARCHY_AUTO) ||
-	   (p->modulation == QAM_AUTO) ||
-	   (p->code_rate_HP == FEC_AUTO) ||
-	   (p->code_rate_LP == FEC_AUTO) ||
-	   (p->guard_interval == GUARD_INTERVAL_AUTO) ||
-	   (p->transmission_mode == TRANSMISSION_MODE_AUTO)) {
-
-		/* TPS Source - use hardware driven values */
-		cx22702_writereg(state, 0x06, 0x10);
-		cx22702_writereg(state, 0x07, 0x9);
-		cx22702_writereg(state, 0x08, 0xC1);
-		cx22702_writereg(state, 0x0B, cx22702_readreg(state, 0x0B)
-			& 0xfc);
-		cx22702_writereg(state, 0x0C,
-			(cx22702_readreg(state, 0x0C) & 0xBF) | 0x40);
-		cx22702_writereg(state, 0x00, 0x01); /* Begin acquisition */
-		dprintk("%s: Autodetecting\n", __func__);
-		return 0;
-	}
-
-	/* manually programmed values */
-	switch (p->modulation) {		/* mask 0x18 */
-	case QPSK:
-		val = 0x00;
-		break;
-	case QAM_16:
-		val = 0x08;
-		break;
-	case QAM_64:
-		val = 0x10;
-		break;
-	default:
-		dprintk("%s: invalid modulation\n", __func__);
-		return -EINVAL;
-	}
-	switch (p->hierarchy) {	/* mask 0x07 */
-	case HIERARCHY_NONE:
-		break;
-	case HIERARCHY_1:
-		val |= 0x01;
-		break;
-	case HIERARCHY_2:
-		val |= 0x02;
-		break;
-	case HIERARCHY_4:
-		val |= 0x03;
-		break;
-	default:
-		dprintk("%s: invalid hierarchy\n", __func__);
-		return -EINVAL;
-	}
-	cx22702_writereg(state, 0x06, val);
-
-	switch (p->code_rate_HP) {		/* mask 0x38 */
-	case FEC_NONE:
-	case FEC_1_2:
-		val = 0x00;
-		break;
-	case FEC_2_3:
-		val = 0x08;
-		break;
-	case FEC_3_4:
-		val = 0x10;
-		break;
-	case FEC_5_6:
-		val = 0x18;
-		break;
-	case FEC_7_8:
-		val = 0x20;
-		break;
-	default:
-		dprintk("%s: invalid code_rate_HP\n", __func__);
-		return -EINVAL;
-	}
-	switch (p->code_rate_LP) {		/* mask 0x07 */
-	case FEC_NONE:
-	case FEC_1_2:
-		break;
-	case FEC_2_3:
-		val |= 0x01;
-		break;
-	case FEC_3_4:
-		val |= 0x02;
-		break;
-	case FEC_5_6:
-		val |= 0x03;
-		break;
-	case FEC_7_8:
-		val |= 0x04;
-		break;
-	default:
-		dprintk("%s: invalid code_rate_LP\n", __func__);
-		return -EINVAL;
-	}
-	cx22702_writereg(state, 0x07, val);
-
-	switch (p->guard_interval) {		/* mask 0x0c */
-	case GUARD_INTERVAL_1_32:
-		val = 0x00;
-		break;
-	case GUARD_INTERVAL_1_16:
-		val = 0x04;
-		break;
-	case GUARD_INTERVAL_1_8:
-		val = 0x08;
-		break;
-	case GUARD_INTERVAL_1_4:
-		val = 0x0c;
-		break;
-	default:
-		dprintk("%s: invalid guard_interval\n", __func__);
-		return -EINVAL;
-	}
-	switch (p->transmission_mode) {		/* mask 0x03 */
-	case TRANSMISSION_MODE_2K:
-		break;
-	case TRANSMISSION_MODE_8K:
-		val |= 0x1;
-		break;
-	default:
-		dprintk("%s: invalid transmission_mode\n", __func__);
-		return -EINVAL;
-	}
-	cx22702_writereg(state, 0x08, val);
-	cx22702_writereg(state, 0x0B,
-		(cx22702_readreg(state, 0x0B) & 0xfc) | 0x02);
-	cx22702_writereg(state, 0x0C,
-		(cx22702_readreg(state, 0x0C) & 0xBF) | 0x40);
-
-	/* Begin channel acquisition */
-	cx22702_writereg(state, 0x00, 0x01);
-
-	return 0;
-}
-
-/* Reset the demod hardware and reset all of the configuration registers
-   to a default state. */
-static int cx22702_init(struct dvb_frontend *fe)
-{
-	int i;
-	struct cx22702_state *state = fe->demodulator_priv;
-
-	cx22702_writereg(state, 0x00, 0x02);
-
-	msleep(10);
-
-	for (i = 0; i < ARRAY_SIZE(init_tab); i += 2)
-		cx22702_writereg(state, init_tab[i], init_tab[i + 1]);
-
-	cx22702_writereg(state, 0xf8, (state->config->output_mode << 1)
-		& 0x02);
-
-	cx22702_i2c_gate_ctrl(fe, 0);
-
-	return 0;
-}
-
-static int cx22702_read_status(struct dvb_frontend *fe, fe_status_t *status)
-{
-	struct cx22702_state *state = fe->demodulator_priv;
-	u8 reg0A;
-	u8 reg23;
-
-	*status = 0;
-
-	reg0A = cx22702_readreg(state, 0x0A);
-	reg23 = cx22702_readreg(state, 0x23);
-
-	dprintk("%s: status demod=0x%02x agc=0x%02x\n"
-		, __func__, reg0A, reg23);
-
-	if (reg0A & 0x10) {
-		*status |= FE_HAS_LOCK;
-		*status |= FE_HAS_VITERBI;
-		*status |= FE_HAS_SYNC;
-	}
-
-	if (reg0A & 0x20)
-		*status |= FE_HAS_CARRIER;
-
-	if (reg23 < 0xf0)
-		*status |= FE_HAS_SIGNAL;
-
-	return 0;
-}
-
-static int cx22702_read_ber(struct dvb_frontend *fe, u32 *ber)
-{
-	struct cx22702_state *state = fe->demodulator_priv;
-
-	if (cx22702_readreg(state, 0xE4) & 0x02) {
-		/* Realtime statistics */
-		*ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
-			| (cx22702_readreg(state, 0xDF) & 0x7F);
-	} else {
-		/* Averagtine statistics */
-		*ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
-			| cx22702_readreg(state, 0xDF);
-	}
-
-	return 0;
-}
-
-static int cx22702_read_signal_strength(struct dvb_frontend *fe,
-	u16 *signal_strength)
-{
-	struct cx22702_state *state = fe->demodulator_priv;
-	u8 reg23;
-
-	/*
-	 * Experience suggests that the strength signal register works as
-	 * follows:
-	 * - In the absence of signal, value is 0xff.
-	 * - In the presence of a weak signal, bit 7 is set, not sure what
-	 *   the lower 7 bits mean.
-	 * - In the presence of a strong signal, the register holds a 7-bit
-	 *   value (bit 7 is cleared), with greater values standing for
-	 *   weaker signals.
-	 */
-	reg23 = cx22702_readreg(state, 0x23);
-	if (reg23 & 0x80) {
-		*signal_strength = 0;
-	} else {
-		reg23 = ~reg23 & 0x7f;
-		/* Scale to 16 bit */
-		*signal_strength = (reg23 << 9) | (reg23 << 2) | (reg23 >> 5);
-	}
-
-	return 0;
-}
-
-static int cx22702_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
-	struct cx22702_state *state = fe->demodulator_priv;
-
-	u16 rs_ber;
-	if (cx22702_readreg(state, 0xE4) & 0x02) {
-		/* Realtime statistics */
-		rs_ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
-			| (cx22702_readreg(state, 0xDF) & 0x7F);
-	} else {
-		/* Averagine statistics */
-		rs_ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 8
-			| cx22702_readreg(state, 0xDF);
-	}
-	*snr = ~rs_ber;
-
-	return 0;
-}
-
-static int cx22702_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
-{
-	struct cx22702_state *state = fe->demodulator_priv;
-
-	u8 _ucblocks;
-
-	/* RS Uncorrectable Packet Count then reset */
-	_ucblocks = cx22702_readreg(state, 0xE3);
-	if (state->prevUCBlocks < _ucblocks)
-		*ucblocks = (_ucblocks - state->prevUCBlocks);
-	else
-		*ucblocks = state->prevUCBlocks - _ucblocks;
-	state->prevUCBlocks = _ucblocks;
-
-	return 0;
-}
-
-static int cx22702_get_frontend(struct dvb_frontend *fe)
-{
-	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-	struct cx22702_state *state = fe->demodulator_priv;
-
-	u8 reg0C = cx22702_readreg(state, 0x0C);
-
-	c->inversion = reg0C & 0x1 ? INVERSION_ON : INVERSION_OFF;
-	return cx22702_get_tps(state, c);
-}
-
-static int cx22702_get_tune_settings(struct dvb_frontend *fe,
-	struct dvb_frontend_tune_settings *tune)
-{
-	tune->min_delay_ms = 1000;
-	return 0;
-}
-
-static void cx22702_release(struct dvb_frontend *fe)
-{
-	struct cx22702_state *state = fe->demodulator_priv;
-	kfree(state);
-}
-
-static const struct dvb_frontend_ops cx22702_ops;
-
-struct dvb_frontend *cx22702_attach(const struct cx22702_config *config,
-	struct i2c_adapter *i2c)
-{
-	struct cx22702_state *state = NULL;
-
-	/* allocate memory for the internal state */
-	state = kzalloc(sizeof(struct cx22702_state), GFP_KERNEL);
-	if (state == NULL)
-		goto error;
-
-	/* setup the state */
-	state->config = config;
-	state->i2c = i2c;
-
-	/* check if the demod is there */
-	if (cx22702_readreg(state, 0x1f) != 0x3)
-		goto error;
-
-	/* create dvb_frontend */
-	memcpy(&state->frontend.ops, &cx22702_ops,
-		sizeof(struct dvb_frontend_ops));
-	state->frontend.demodulator_priv = state;
-	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
-}
-EXPORT_SYMBOL(cx22702_attach);
-
-static const struct dvb_frontend_ops cx22702_ops = {
-	.delsys = { SYS_DVBT },
-	.info = {
-		.name			= "Conexant CX22702 DVB-T",
-		.frequency_min		= 177000000,
-		.frequency_max		= 858000000,
-		.frequency_stepsize	= 166666,
-		.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_HIERARCHY_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
-		FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER
-	},
-
-	.release = cx22702_release,
-
-	.init = cx22702_init,
-	.i2c_gate_ctrl = cx22702_i2c_gate_ctrl,
-
-	.set_frontend = cx22702_set_tps,
-	.get_frontend = cx22702_get_frontend,
-	.get_tune_settings = cx22702_get_tune_settings,
-
-	.read_status = cx22702_read_status,
-	.read_ber = cx22702_read_ber,
-	.read_signal_strength = cx22702_read_signal_strength,
-	.read_snr = cx22702_read_snr,
-	.read_ucblocks = cx22702_read_ucblocks,
-};
-
-MODULE_DESCRIPTION("Conexant CX22702 DVB-T Demodulator driver");
-MODULE_AUTHOR("Steven Toth");
-MODULE_LICENSE("GPL");