Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb

1 files changed, 0 insertions, 450 deletions

diff --git a/drivers/media/dvb/frontends/at76c651.c b/drivers/media/dvb/frontends/at76c651.c
deleted file mode 100644
index 8e0f4b3a141..00000000000
--- a/drivers/media/dvb/frontends/at76c651.c
+++ /dev/null
@@ -1,450 +0,0 @@
-/*
- * at76c651.c
- *
- * Atmel DVB-C Frontend Driver (at76c651/tua6010xs)
- *
- * Copyright (C) 2001 fnbrd <fnbrd@gmx.de>
- *             & 2002-2004 Andreas Oberritter <obi@linuxtv.org>
- *             & 2003 Wolfram Joost <dbox2@frokaschwei.de>
- *
- * 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.
- *
- * AT76C651
- * http://www.nalanda.nitc.ac.in/industry/datasheets/atmel/acrobat/doc1293.pdf
- * http://www.atmel.com/atmel/acrobat/doc1320.pdf
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/bitops.h>
-#include "dvb_frontend.h"
-#include "at76c651.h"
-
-
-struct at76c651_state {
-
-	struct i2c_adapter* i2c;
-
-	struct dvb_frontend_ops ops;
-
-	const struct at76c651_config* config;
-
-	struct dvb_frontend frontend;
-
-	/* revision of the chip */
-	u8 revision;
-
-	/* last QAM value set */
-	u8 qam;
-};
-
-static int debug;
-#define dprintk(args...) \
-	do { \
-		if (debug) printk(KERN_DEBUG "at76c651: " args); \
-	} while (0)
-
-
-#if ! defined(__powerpc__)
-static __inline__ int __ilog2(unsigned long x)
-{
-	int i;
-
-	if (x == 0)
-		return -1;
-
-	for (i = 0; x != 0; i++)
-		x >>= 1;
-
-	return i - 1;
-}
-#endif
-
-static int at76c651_writereg(struct at76c651_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 (ret != 1)
-		dprintk("%s: writereg error "
-			"(reg == 0x%02x, val == 0x%02x, ret == %i)\n",
-			__FUNCTION__, reg, data, ret);
-
-	msleep(10);
-
-	return (ret != 1) ? -EREMOTEIO : 0;
-}
-
-static u8 at76c651_readreg(struct at76c651_state* state, u8 reg)
-{
-	int ret;
-	u8 val;
-	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 = &val, .len = 1 }
-	};
-
-	ret = i2c_transfer(state->i2c, msg, 2);
-
-	if (ret != 2)
-		dprintk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret);
-
-	return val;
-}
-
-static int at76c651_reset(struct at76c651_state* state)
-{
-	return at76c651_writereg(state, 0x07, 0x01);
-}
-
-static void at76c651_disable_interrupts(struct at76c651_state* state)
-{
-	at76c651_writereg(state, 0x0b, 0x00);
-}
-
-static int at76c651_set_auto_config(struct at76c651_state *state)
-{
-	/*
-	 * Autoconfig
-	 */
-
-	at76c651_writereg(state, 0x06, 0x01);
-
-	/*
-	 * Performance optimizations, should be done after autoconfig
-	 */
-
-	at76c651_writereg(state, 0x10, 0x06);
-	at76c651_writereg(state, 0x11, ((state->qam == 5) || (state->qam == 7)) ? 0x12 : 0x10);
-	at76c651_writereg(state, 0x15, 0x28);
-	at76c651_writereg(state, 0x20, 0x09);
-	at76c651_writereg(state, 0x24, ((state->qam == 5) || (state->qam == 7)) ? 0xC0 : 0x90);
-	at76c651_writereg(state, 0x30, 0x90);
-	if (state->qam == 5)
-		at76c651_writereg(state, 0x35, 0x2A);
-
-	/*
-	 * Initialize A/D-converter
-	 */
-
-	if (state->revision == 0x11) {
-		at76c651_writereg(state, 0x2E, 0x38);
-		at76c651_writereg(state, 0x2F, 0x13);
-	}
-
-	at76c651_disable_interrupts(state);
-
-	/*
-	 * Restart operation
-	 */
-
-	at76c651_reset(state);
-
-	return 0;
-}
-
-static void at76c651_set_bbfreq(struct at76c651_state* state)
-{
-	at76c651_writereg(state, 0x04, 0x3f);
-	at76c651_writereg(state, 0x05, 0xee);
-}
-
-static int at76c651_set_symbol_rate(struct at76c651_state* state, u32 symbol_rate)
-{
-	u8 exponent;
-	u32 mantissa;
-
-	if (symbol_rate > 9360000)
-		return -EINVAL;
-
-	/*
-	 * FREF = 57800 kHz
-	 * exponent = 10 + floor (log2(symbol_rate / FREF))
-	 * mantissa = (symbol_rate / FREF) * (1 << (30 - exponent))
-	 */
-
-	exponent = __ilog2((symbol_rate << 4) / 903125);
-	mantissa = ((symbol_rate / 3125) * (1 << (24 - exponent))) / 289;
-
-	at76c651_writereg(state, 0x00, mantissa >> 13);
-	at76c651_writereg(state, 0x01, mantissa >> 5);
-	at76c651_writereg(state, 0x02, (mantissa << 3) | exponent);
-
-	return 0;
-}
-
-static int at76c651_set_qam(struct at76c651_state *state, fe_modulation_t qam)
-{
-	switch (qam) {
-	case QPSK:
-		state->qam = 0x02;
-		break;
-	case QAM_16:
-		state->qam = 0x04;
-		break;
-	case QAM_32:
-		state->qam = 0x05;
-		break;
-	case QAM_64:
-		state->qam = 0x06;
-		break;
-	case QAM_128:
-		state->qam = 0x07;
-		break;
-	case QAM_256:
-		state->qam = 0x08;
-		break;
-#if 0
-	case QAM_512:
-		state->qam = 0x09;
-		break;
-	case QAM_1024:
-		state->qam = 0x0A;
-		break;
-#endif
-	default:
-		return -EINVAL;
-
-	}
-
-	return at76c651_writereg(state, 0x03, state->qam);
-}
-
-static int at76c651_set_inversion(struct at76c651_state* state, fe_spectral_inversion_t inversion)
-{
-	u8 feciqinv = at76c651_readreg(state, 0x60);
-
-	switch (inversion) {
-	case INVERSION_OFF:
-		feciqinv |= 0x02;
-		feciqinv &= 0xFE;
-		break;
-
-	case INVERSION_ON:
-		feciqinv |= 0x03;
-		break;
-
-	case INVERSION_AUTO:
-		feciqinv &= 0xFC;
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	return at76c651_writereg(state, 0x60, feciqinv);
-}
-
-static int at76c651_set_parameters(struct dvb_frontend* fe,
-				   struct dvb_frontend_parameters *p)
-{
-	int ret;
-	struct at76c651_state* state = fe->demodulator_priv;
-
-	at76c651_writereg(state, 0x0c, 0xc3);
-	state->config->pll_set(fe, p);
-	at76c651_writereg(state, 0x0c, 0xc2);
-
-	if ((ret = at76c651_set_symbol_rate(state, p->u.qam.symbol_rate)))
-		return ret;
-
-	if ((ret = at76c651_set_inversion(state, p->inversion)))
-		return ret;
-
-	return at76c651_set_auto_config(state);
-}
-
-static int at76c651_set_defaults(struct dvb_frontend* fe)
-{
-	struct at76c651_state* state = fe->demodulator_priv;
-
-	at76c651_set_symbol_rate(state, 6900000);
-	at76c651_set_qam(state, QAM_64);
-	at76c651_set_bbfreq(state);
-	at76c651_set_auto_config(state);
-
-	if (state->config->pll_init) {
-		at76c651_writereg(state, 0x0c, 0xc3);
-		state->config->pll_init(fe);
-		at76c651_writereg(state, 0x0c, 0xc2);
-	}
-
-	return 0;
-}
-
-static int at76c651_read_status(struct dvb_frontend* fe, fe_status_t* status)
-{
-	struct at76c651_state* state = fe->demodulator_priv;
-	u8 sync;
-
-	/*
-	 * Bits: FEC, CAR, EQU, TIM, AGC2, AGC1, ADC, PLL (PLL=0)
-	 */
-	sync = at76c651_readreg(state, 0x80);
-	*status = 0;
-
-	if (sync & (0x04 | 0x10))	/* AGC1 || TIM */
-		*status |= FE_HAS_SIGNAL;
-	if (sync & 0x10)		/* TIM */
-		*status |= FE_HAS_CARRIER;
-	if (sync & 0x80)		/* FEC */
-		*status |= FE_HAS_VITERBI;
-	if (sync & 0x40)		/* CAR */
-		*status |= FE_HAS_SYNC;
-	if ((sync & 0xF0) == 0xF0)	/* TIM && EQU && CAR && FEC */
-		*status |= FE_HAS_LOCK;
-
-	return 0;
-}
-
-static int at76c651_read_ber(struct dvb_frontend* fe, u32* ber)
-{
-	struct at76c651_state* state = fe->demodulator_priv;
-
-	*ber = (at76c651_readreg(state, 0x81) & 0x0F) << 16;
-	*ber |= at76c651_readreg(state, 0x82) << 8;
-	*ber |= at76c651_readreg(state, 0x83);
-	*ber *= 10;
-
-	return 0;
-}
-
-static int at76c651_read_signal_strength(struct dvb_frontend* fe, u16* strength)
-{
-	struct at76c651_state* state = fe->demodulator_priv;
-
-	u8 gain = ~at76c651_readreg(state, 0x91);
-	*strength = (gain << 8) | gain;
-
-	return 0;
-}
-
-static int at76c651_read_snr(struct dvb_frontend* fe, u16* snr)
-{
-	struct at76c651_state* state = fe->demodulator_priv;
-
-	*snr = 0xFFFF -
-	    ((at76c651_readreg(state, 0x8F) << 8) |
-	     at76c651_readreg(state, 0x90));
-
-	return 0;
-}
-
-static int at76c651_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
-{
-	struct at76c651_state* state = fe->demodulator_priv;
-
-	*ucblocks = at76c651_readreg(state, 0x82);
-
-	return 0;
-}
-
-static int at76c651_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *fesettings)
-{
-	fesettings->min_delay_ms = 50;
-	fesettings->step_size = 0;
-	fesettings->max_drift = 0;
-	return 0;
-}
-
-static void at76c651_release(struct dvb_frontend* fe)
-{
-	struct at76c651_state* state = fe->demodulator_priv;
-	kfree(state);
-}
-
-static struct dvb_frontend_ops at76c651_ops;
-
-struct dvb_frontend* at76c651_attach(const struct at76c651_config* config,
-				     struct i2c_adapter* i2c)
-{
-	struct at76c651_state* state = NULL;
-
-	/* allocate memory for the internal state */
-	state = kmalloc(sizeof(struct at76c651_state), GFP_KERNEL);
-	if (state == NULL) goto error;
-
-	/* setup the state */
-	state->config = config;
-	state->qam = 0;
-
-	/* check if the demod is there */
-	if (at76c651_readreg(state, 0x0e) != 0x65) goto error;
-
-	/* finalise state setup */
-	state->i2c = i2c;
-	state->revision = at76c651_readreg(state, 0x0f) & 0xfe;
-	memcpy(&state->ops, &at76c651_ops, sizeof(struct dvb_frontend_ops));
-
-	/* create dvb_frontend */
-	state->frontend.ops = &state->ops;
-	state->frontend.demodulator_priv = state;
-	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
-}
-
-static struct dvb_frontend_ops at76c651_ops = {
-
-	.info = {
-		.name = "Atmel AT76C651B DVB-C",
-		.type = FE_QAM,
-		.frequency_min = 48250000,
-		.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_INVERSION_AUTO |
-		    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_32 | FE_CAN_QAM_64 | FE_CAN_QAM_128 |
-		    FE_CAN_MUTE_TS | FE_CAN_QAM_256 | FE_CAN_RECOVER
-	},
-
-	.release = at76c651_release,
-
-	.init = at76c651_set_defaults,
-
-	.set_frontend = at76c651_set_parameters,
-	.get_tune_settings = at76c651_get_tune_settings,
-
-	.read_status = at76c651_read_status,
-	.read_ber = at76c651_read_ber,
-	.read_signal_strength = at76c651_read_signal_strength,
-	.read_snr = at76c651_read_snr,
-	.read_ucblocks = at76c651_read_ucblocks,
-};
-
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-
-MODULE_DESCRIPTION("Atmel AT76C651 DVB-C Demodulator Driver");
-MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
-MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(at76c651_attach);