[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, 1075 deletions

diff --git a/drivers/media/dvb/frontends/lgs8gxx.c b/drivers/media/dvb/frontends/lgs8gxx.c
deleted file mode 100644
index 3c92f36ea5c7..000000000000
--- a/drivers/media/dvb/frontends/lgs8gxx.c
+++ /dev/null
@@ -1,1075 +0,0 @@
-/*
- *    Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator
- *    LGS8913, LGS8GL5, LGS8G75
- *    experimental support LGS8G42, LGS8G52
- *
- *    Copyright (C) 2007-2009 David T.L. Wong <davidtlwong@gmail.com>
- *    Copyright (C) 2008 Sirius International (Hong Kong) Limited
- *    Timothy Lee <timothy.lee@siriushk.com> (for initial work on LGS8GL5)
- *
- *    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 <asm/div64.h>
-#include <linux/firmware.h>
-
-#include "dvb_frontend.h"
-
-#include "lgs8gxx.h"
-#include "lgs8gxx_priv.h"
-
-#define dprintk(args...) \
-	do { \
-		if (debug) \
-			printk(KERN_DEBUG "lgs8gxx: " args); \
-	} while (0)
-
-static int debug;
-static int fake_signal_str = 1;
-
-#define LGS8GXX_FIRMWARE "lgs8g75.fw"
-
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-
-module_param(fake_signal_str, int, 0644);
-MODULE_PARM_DESC(fake_signal_str, "fake signal strength for LGS8913."
-"Signal strength calculation is slow.(default:on).");
-
-/* LGS8GXX internal helper functions */
-
-static int lgs8gxx_write_reg(struct lgs8gxx_state *priv, u8 reg, u8 data)
-{
-	int ret;
-	u8 buf[] = { reg, data };
-	struct i2c_msg msg = { .flags = 0, .buf = buf, .len = 2 };
-
-	msg.addr = priv->config->demod_address;
-	if (priv->config->prod != LGS8GXX_PROD_LGS8G75 && reg >= 0xC0)
-		msg.addr += 0x02;
-
-	if (debug >= 2)
-		dprintk("%s: reg=0x%02X, data=0x%02X\n", __func__, reg, data);
-
-	ret = i2c_transfer(priv->i2c, &msg, 1);
-
-	if (ret != 1)
-		dprintk("%s: error reg=0x%x, data=0x%x, ret=%i\n",
-			__func__, reg, data, ret);
-
-	return (ret != 1) ? -1 : 0;
-}
-
-static int lgs8gxx_read_reg(struct lgs8gxx_state *priv, u8 reg, u8 *p_data)
-{
-	int ret;
-	u8 dev_addr;
-
-	u8 b0[] = { reg };
-	u8 b1[] = { 0 };
-	struct i2c_msg msg[] = {
-		{ .flags = 0, .buf = b0, .len = 1 },
-		{ .flags = I2C_M_RD, .buf = b1, .len = 1 },
-	};
-
-	dev_addr = priv->config->demod_address;
-	if (priv->config->prod != LGS8GXX_PROD_LGS8G75 && reg >= 0xC0)
-		dev_addr += 0x02;
-	msg[1].addr =  msg[0].addr = dev_addr;
-
-	ret = i2c_transfer(priv->i2c, msg, 2);
-	if (ret != 2) {
-		dprintk("%s: error reg=0x%x, ret=%i\n", __func__, reg, ret);
-		return -1;
-	}
-
-	*p_data = b1[0];
-	if (debug >= 2)
-		dprintk("%s: reg=0x%02X, data=0x%02X\n", __func__, reg, b1[0]);
-	return 0;
-}
-
-static int lgs8gxx_soft_reset(struct lgs8gxx_state *priv)
-{
-	lgs8gxx_write_reg(priv, 0x02, 0x00);
-	msleep(1);
-	lgs8gxx_write_reg(priv, 0x02, 0x01);
-	msleep(100);
-
-	return 0;
-}
-
-static int wait_reg_mask(struct lgs8gxx_state *priv, u8 reg, u8 mask,
-	u8 val, u8 delay, u8 tries)
-{
-	u8 t;
-	int i;
-
-	for (i = 0; i < tries; i++) {
-		lgs8gxx_read_reg(priv, reg, &t);
-
-		if ((t & mask) == val)
-			return 0;
-		msleep(delay);
-	}
-
-	return 1;
-}
-
-static int lgs8gxx_set_ad_mode(struct lgs8gxx_state *priv)
-{
-	const struct lgs8gxx_config *config = priv->config;
-	u8 if_conf;
-
-	if_conf = 0x10; /* AGC output on, RF_AGC output off; */
-
-	if_conf |=
-		((config->ext_adc) ? 0x80 : 0x00) |
-		((config->if_neg_center) ? 0x04 : 0x00) |
-		((config->if_freq == 0) ? 0x08 : 0x00) | /* Baseband */
-		((config->adc_signed) ? 0x02 : 0x00) |
-		((config->if_neg_edge) ? 0x01 : 0x00);
-
-	if (config->ext_adc &&
-		(config->prod == LGS8GXX_PROD_LGS8G52)) {
-		lgs8gxx_write_reg(priv, 0xBA, 0x40);
-	}
-
-	lgs8gxx_write_reg(priv, 0x07, if_conf);
-
-	return 0;
-}
-
-static int lgs8gxx_set_if_freq(struct lgs8gxx_state *priv, u32 freq /*in kHz*/)
-{
-	u64 val;
-	u32 v32;
-	u32 if_clk;
-
-	if_clk = priv->config->if_clk_freq;
-
-	val = freq;
-	if (freq != 0) {
-		val <<= 32;
-		if (if_clk != 0)
-			do_div(val, if_clk);
-		v32 = val & 0xFFFFFFFF;
-		dprintk("Set IF Freq to %dkHz\n", freq);
-	} else {
-		v32 = 0;
-		dprintk("Set IF Freq to baseband\n");
-	}
-	dprintk("AFC_INIT_FREQ = 0x%08X\n", v32);
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		lgs8gxx_write_reg(priv, 0x08, 0xFF & (v32));
-		lgs8gxx_write_reg(priv, 0x09, 0xFF & (v32 >> 8));
-		lgs8gxx_write_reg(priv, 0x0A, 0xFF & (v32 >> 16));
-		lgs8gxx_write_reg(priv, 0x0B, 0xFF & (v32 >> 24));
-	} else {
-		lgs8gxx_write_reg(priv, 0x09, 0xFF & (v32));
-		lgs8gxx_write_reg(priv, 0x0A, 0xFF & (v32 >> 8));
-		lgs8gxx_write_reg(priv, 0x0B, 0xFF & (v32 >> 16));
-		lgs8gxx_write_reg(priv, 0x0C, 0xFF & (v32 >> 24));
-	}
-
-	return 0;
-}
-
-static int lgs8gxx_get_afc_phase(struct lgs8gxx_state *priv)
-{
-	u64 val;
-	u32 v32 = 0;
-	u8 reg_addr, t;
-	int i;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75)
-		reg_addr = 0x23;
-	else
-		reg_addr = 0x48;
-
-	for (i = 0; i < 4; i++) {
-		lgs8gxx_read_reg(priv, reg_addr, &t);
-		v32 <<= 8;
-		v32 |= t;
-		reg_addr--;
-	}
-
-	val = v32;
-	val *= priv->config->if_clk_freq;
-	val >>= 32;
-	dprintk("AFC = %u kHz\n", (u32)val);
-	return 0;
-}
-
-static int lgs8gxx_set_mode_auto(struct lgs8gxx_state *priv)
-{
-	u8 t;
-	u8 prod = priv->config->prod;
-
-	if (prod == LGS8GXX_PROD_LGS8913)
-		lgs8gxx_write_reg(priv, 0xC6, 0x01);
-
-	if (prod == LGS8GXX_PROD_LGS8G75) {
-		lgs8gxx_read_reg(priv, 0x0C, &t);
-		t &= (~0x04);
-		lgs8gxx_write_reg(priv, 0x0C, t | 0x80);
-		lgs8gxx_write_reg(priv, 0x39, 0x00);
-		lgs8gxx_write_reg(priv, 0x3D, 0x04);
-	} else if (prod == LGS8GXX_PROD_LGS8913 ||
-		prod == LGS8GXX_PROD_LGS8GL5 ||
-		prod == LGS8GXX_PROD_LGS8G42 ||
-		prod == LGS8GXX_PROD_LGS8G52 ||
-		prod == LGS8GXX_PROD_LGS8G54) {
-		lgs8gxx_read_reg(priv, 0x7E, &t);
-		lgs8gxx_write_reg(priv, 0x7E, t | 0x01);
-
-		/* clear FEC self reset */
-		lgs8gxx_read_reg(priv, 0xC5, &t);
-		lgs8gxx_write_reg(priv, 0xC5, t & 0xE0);
-	}
-
-	if (prod == LGS8GXX_PROD_LGS8913) {
-		/* FEC auto detect */
-		lgs8gxx_write_reg(priv, 0xC1, 0x03);
-
-		lgs8gxx_read_reg(priv, 0x7C, &t);
-		t = (t & 0x8C) | 0x03;
-		lgs8gxx_write_reg(priv, 0x7C, t);
-
-		/* BER test mode */
-		lgs8gxx_read_reg(priv, 0xC3, &t);
-		t = (t & 0xEF) |  0x10;
-		lgs8gxx_write_reg(priv, 0xC3, t);
-	}
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G52)
-		lgs8gxx_write_reg(priv, 0xD9, 0x40);
-
-	return 0;
-}
-
-static int lgs8gxx_set_mode_manual(struct lgs8gxx_state *priv)
-{
-	u8 t;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		u8 t2;
-		lgs8gxx_read_reg(priv, 0x0C, &t);
-		t &= (~0x80);
-		lgs8gxx_write_reg(priv, 0x0C, t);
-
-		lgs8gxx_read_reg(priv, 0x0C, &t);
-		lgs8gxx_read_reg(priv, 0x19, &t2);
-
-		if (((t&0x03) == 0x01) && (t2&0x01)) {
-			lgs8gxx_write_reg(priv, 0x6E, 0x05);
-			lgs8gxx_write_reg(priv, 0x39, 0x02);
-			lgs8gxx_write_reg(priv, 0x39, 0x03);
-			lgs8gxx_write_reg(priv, 0x3D, 0x05);
-			lgs8gxx_write_reg(priv, 0x3E, 0x28);
-			lgs8gxx_write_reg(priv, 0x53, 0x80);
-		} else {
-			lgs8gxx_write_reg(priv, 0x6E, 0x3F);
-			lgs8gxx_write_reg(priv, 0x39, 0x00);
-			lgs8gxx_write_reg(priv, 0x3D, 0x04);
-		}
-
-		lgs8gxx_soft_reset(priv);
-		return 0;
-	}
-
-	/* turn off auto-detect; manual settings */
-	lgs8gxx_write_reg(priv, 0x7E, 0);
-	if (priv->config->prod == LGS8GXX_PROD_LGS8913)
-		lgs8gxx_write_reg(priv, 0xC1, 0);
-
-	lgs8gxx_read_reg(priv, 0xC5, &t);
-	t = (t & 0xE0) | 0x06;
-	lgs8gxx_write_reg(priv, 0xC5, t);
-
-	lgs8gxx_soft_reset(priv);
-
-	return 0;
-}
-
-static int lgs8gxx_is_locked(struct lgs8gxx_state *priv, u8 *locked)
-{
-	int ret = 0;
-	u8 t;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75)
-		ret = lgs8gxx_read_reg(priv, 0x13, &t);
-	else
-		ret = lgs8gxx_read_reg(priv, 0x4B, &t);
-	if (ret != 0)
-		return ret;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75)
-		*locked = ((t & 0x80) == 0x80) ? 1 : 0;
-	else
-		*locked = ((t & 0xC0) == 0xC0) ? 1 : 0;
-	return 0;
-}
-
-/* Wait for Code Acquisition Lock */
-static int lgs8gxx_wait_ca_lock(struct lgs8gxx_state *priv, u8 *locked)
-{
-	int ret = 0;
-	u8 reg, mask, val;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		reg = 0x13;
-		mask = 0x80;
-		val = 0x80;
-	} else {
-		reg = 0x4B;
-		mask = 0xC0;
-		val = 0xC0;
-	}
-
-	ret = wait_reg_mask(priv, reg, mask, val, 50, 40);
-	*locked = (ret == 0) ? 1 : 0;
-
-	return 0;
-}
-
-static int lgs8gxx_is_autodetect_finished(struct lgs8gxx_state *priv,
-					  u8 *finished)
-{
-	int ret = 0;
-	u8 reg, mask, val;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		reg = 0x1f;
-		mask = 0xC0;
-		val = 0x80;
-	} else {
-		reg = 0xA4;
-		mask = 0x03;
-		val = 0x01;
-	}
-
-	ret = wait_reg_mask(priv, reg, mask, val, 10, 20);
-	*finished = (ret == 0) ? 1 : 0;
-
-	return 0;
-}
-
-static int lgs8gxx_autolock_gi(struct lgs8gxx_state *priv, u8 gi, u8 cpn,
-	u8 *locked)
-{
-	int err = 0;
-	u8 ad_fini = 0;
-	u8 t1, t2;
-
-	if (gi == GI_945)
-		dprintk("try GI 945\n");
-	else if (gi == GI_595)
-		dprintk("try GI 595\n");
-	else if (gi == GI_420)
-		dprintk("try GI 420\n");
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		lgs8gxx_read_reg(priv, 0x0C, &t1);
-		lgs8gxx_read_reg(priv, 0x18, &t2);
-		t1 &= ~(GI_MASK);
-		t1 |= gi;
-		t2 &= 0xFE;
-		t2 |= cpn ? 0x01 : 0x00;
-		lgs8gxx_write_reg(priv, 0x0C, t1);
-		lgs8gxx_write_reg(priv, 0x18, t2);
-	} else {
-		lgs8gxx_write_reg(priv, 0x04, gi);
-	}
-	lgs8gxx_soft_reset(priv);
-	err = lgs8gxx_wait_ca_lock(priv, locked);
-	if (err || !(*locked))
-		return err;
-	err = lgs8gxx_is_autodetect_finished(priv, &ad_fini);
-	if (err != 0)
-		return err;
-	if (ad_fini) {
-		dprintk("auto detect finished\n");
-	} else
-		*locked = 0;
-
-	return 0;
-}
-
-static int lgs8gxx_auto_detect(struct lgs8gxx_state *priv,
-			       u8 *detected_param, u8 *gi)
-{
-	int i, j;
-	int err = 0;
-	u8 locked = 0, tmp_gi;
-
-	dprintk("%s\n", __func__);
-
-	lgs8gxx_set_mode_auto(priv);
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		lgs8gxx_write_reg(priv, 0x67, 0xAA);
-		lgs8gxx_write_reg(priv, 0x6E, 0x3F);
-	} else {
-		/* Guard Interval */
-		lgs8gxx_write_reg(priv, 0x03, 00);
-	}
-
-	for (i = 0; i < 2; i++) {
-		for (j = 0; j < 2; j++) {
-			tmp_gi = GI_945;
-			err = lgs8gxx_autolock_gi(priv, GI_945, j, &locked);
-			if (err)
-				goto out;
-			if (locked)
-				goto locked;
-		}
-		for (j = 0; j < 2; j++) {
-			tmp_gi = GI_420;
-			err = lgs8gxx_autolock_gi(priv, GI_420, j, &locked);
-			if (err)
-				goto out;
-			if (locked)
-				goto locked;
-		}
-		tmp_gi = GI_595;
-		err = lgs8gxx_autolock_gi(priv, GI_595, 1, &locked);
-		if (err)
-			goto out;
-		if (locked)
-			goto locked;
-	}
-
-locked:
-	if ((err == 0) && (locked == 1)) {
-		u8 t;
-
-		if (priv->config->prod != LGS8GXX_PROD_LGS8G75) {
-			lgs8gxx_read_reg(priv, 0xA2, &t);
-			*detected_param = t;
-		} else {
-			lgs8gxx_read_reg(priv, 0x1F, &t);
-			*detected_param = t & 0x3F;
-		}
-
-		if (tmp_gi == GI_945)
-			dprintk("GI 945 locked\n");
-		else if (tmp_gi == GI_595)
-			dprintk("GI 595 locked\n");
-		else if (tmp_gi == GI_420)
-			dprintk("GI 420 locked\n");
-		*gi = tmp_gi;
-	}
-	if (!locked)
-		err = -1;
-
-out:
-	return err;
-}
-
-static void lgs8gxx_auto_lock(struct lgs8gxx_state *priv)
-{
-	s8 err;
-	u8 gi = 0x2;
-	u8 detected_param = 0;
-
-	err = lgs8gxx_auto_detect(priv, &detected_param, &gi);
-
-	if (err != 0) {
-		dprintk("lgs8gxx_auto_detect failed\n");
-	} else
-		dprintk("detected param = 0x%02X\n", detected_param);
-
-	/* Apply detected parameters */
-	if (priv->config->prod == LGS8GXX_PROD_LGS8913) {
-		u8 inter_leave_len = detected_param & TIM_MASK ;
-		/* Fix 8913 time interleaver detection bug */
-		inter_leave_len = (inter_leave_len == TIM_MIDDLE) ? 0x60 : 0x40;
-		detected_param &= CF_MASK | SC_MASK  | LGS_FEC_MASK;
-		detected_param |= inter_leave_len;
-	}
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		u8 t;
-		lgs8gxx_read_reg(priv, 0x19, &t);
-		t &= 0x81;
-		t |= detected_param << 1;
-		lgs8gxx_write_reg(priv, 0x19, t);
-	} else {
-		lgs8gxx_write_reg(priv, 0x7D, detected_param);
-		if (priv->config->prod == LGS8GXX_PROD_LGS8913)
-			lgs8gxx_write_reg(priv, 0xC0, detected_param);
-	}
-	/* lgs8gxx_soft_reset(priv); */
-
-	/* Enter manual mode */
-	lgs8gxx_set_mode_manual(priv);
-
-	switch (gi) {
-	case GI_945:
-		priv->curr_gi = 945; break;
-	case GI_595:
-		priv->curr_gi = 595; break;
-	case GI_420:
-		priv->curr_gi = 420; break;
-	default:
-		priv->curr_gi = 945; break;
-	}
-}
-
-static int lgs8gxx_set_mpeg_mode(struct lgs8gxx_state *priv,
-	u8 serial, u8 clk_pol, u8 clk_gated)
-{
-	int ret = 0;
-	u8 t, reg_addr;
-
-	reg_addr = (priv->config->prod == LGS8GXX_PROD_LGS8G75) ? 0x30 : 0xC2;
-	ret = lgs8gxx_read_reg(priv, reg_addr, &t);
-	if (ret != 0)
-		return ret;
-
-	t &= 0xF8;
-	t |= serial ? TS_SERIAL : TS_PARALLEL;
-	t |= clk_pol ? TS_CLK_INVERTED : TS_CLK_NORMAL;
-	t |= clk_gated ? TS_CLK_GATED : TS_CLK_FREERUN;
-
-	ret = lgs8gxx_write_reg(priv, reg_addr, t);
-	if (ret != 0)
-		return ret;
-
-	return 0;
-}
-
-/* A/D input peak-to-peak voltage range */
-static int lgs8g75_set_adc_vpp(struct lgs8gxx_state *priv,
-	u8 sel)
-{
-	u8 r26 = 0x73, r27 = 0x90;
-
-	if (priv->config->prod != LGS8GXX_PROD_LGS8G75)
-		return 0;
-
-	r26 |= (sel & 0x01) << 7;
-	r27 |= (sel & 0x02) >> 1;
-	lgs8gxx_write_reg(priv, 0x26, r26);
-	lgs8gxx_write_reg(priv, 0x27, r27);
-
-	return 0;
-}
-
-/* LGS8913 demod frontend functions */
-
-static int lgs8913_init(struct lgs8gxx_state *priv)
-{
-	u8 t;
-
-	/* LGS8913 specific */
-	lgs8gxx_write_reg(priv, 0xc1, 0x3);
-
-	lgs8gxx_read_reg(priv, 0x7c, &t);
-	lgs8gxx_write_reg(priv, 0x7c, (t&0x8c) | 0x3);
-
-	/* LGS8913 specific */
-	lgs8gxx_read_reg(priv, 0xc3, &t);
-	lgs8gxx_write_reg(priv, 0xc3, t&0x10);
-
-
-	return 0;
-}
-
-static int lgs8g75_init_data(struct lgs8gxx_state *priv)
-{
-	const struct firmware *fw;
-	int rc;
-	int i;
-
-	rc = request_firmware(&fw, LGS8GXX_FIRMWARE, &priv->i2c->dev);
-	if (rc)
-		return rc;
-
-	lgs8gxx_write_reg(priv, 0xC6, 0x40);
-
-	lgs8gxx_write_reg(priv, 0x3D, 0x04);
-	lgs8gxx_write_reg(priv, 0x39, 0x00);
-
-	lgs8gxx_write_reg(priv, 0x3A, 0x00);
-	lgs8gxx_write_reg(priv, 0x38, 0x00);
-	lgs8gxx_write_reg(priv, 0x3B, 0x00);
-	lgs8gxx_write_reg(priv, 0x38, 0x00);
-
-	for (i = 0; i < fw->size; i++) {
-		lgs8gxx_write_reg(priv, 0x38, 0x00);
-		lgs8gxx_write_reg(priv, 0x3A, (u8)(i&0xff));
-		lgs8gxx_write_reg(priv, 0x3B, (u8)(i>>8));
-		lgs8gxx_write_reg(priv, 0x3C, fw->data[i]);
-	}
-
-	lgs8gxx_write_reg(priv, 0x38, 0x00);
-
-	release_firmware(fw);
-	return 0;
-}
-
-static int lgs8gxx_init(struct dvb_frontend *fe)
-{
-	struct lgs8gxx_state *priv =
-		(struct lgs8gxx_state *)fe->demodulator_priv;
-	const struct lgs8gxx_config *config = priv->config;
-	u8 data = 0;
-	s8 err;
-	dprintk("%s\n", __func__);
-
-	lgs8gxx_read_reg(priv, 0, &data);
-	dprintk("reg 0 = 0x%02X\n", data);
-
-	if (config->prod == LGS8GXX_PROD_LGS8G75)
-		lgs8g75_set_adc_vpp(priv, config->adc_vpp);
-
-	/* Setup MPEG output format */
-	err = lgs8gxx_set_mpeg_mode(priv, config->serial_ts,
-				    config->ts_clk_pol,
-				    config->ts_clk_gated);
-	if (err != 0)
-		return -EIO;
-
-	if (config->prod == LGS8GXX_PROD_LGS8913)
-		lgs8913_init(priv);
-	lgs8gxx_set_if_freq(priv, priv->config->if_freq);
-	lgs8gxx_set_ad_mode(priv);
-
-	return 0;
-}
-
-static void lgs8gxx_release(struct dvb_frontend *fe)
-{
-	struct lgs8gxx_state *state = fe->demodulator_priv;
-	dprintk("%s\n", __func__);
-
-	kfree(state);
-}
-
-
-static int lgs8gxx_write(struct dvb_frontend *fe, const u8 buf[], int len)
-{
-	struct lgs8gxx_state *priv = fe->demodulator_priv;
-
-	if (len != 2)
-		return -EINVAL;
-
-	return lgs8gxx_write_reg(priv, buf[0], buf[1]);
-}
-
-static int lgs8gxx_set_fe(struct dvb_frontend *fe)
-{
-
-	struct lgs8gxx_state *priv = fe->demodulator_priv;
-
-	dprintk("%s\n", __func__);
-
-	/* set frequency */
-	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);
-	}
-
-	/* start auto lock */
-	lgs8gxx_auto_lock(priv);
-
-	msleep(10);
-
-	return 0;
-}
-
-static int lgs8gxx_get_fe(struct dvb_frontend *fe)
-{
-	struct dtv_frontend_properties *fe_params = &fe->dtv_property_cache;
-	dprintk("%s\n", __func__);
-
-	/* TODO: get real readings from device */
-	/* inversion status */
-	fe_params->inversion = INVERSION_OFF;
-
-	/* bandwidth */
-	fe_params->bandwidth_hz = 8000000;
-
-	fe_params->code_rate_HP = FEC_AUTO;
-	fe_params->code_rate_LP = FEC_AUTO;
-
-	fe_params->modulation = QAM_AUTO;
-
-	/* transmission mode */
-	fe_params->transmission_mode = TRANSMISSION_MODE_AUTO;
-
-	/* guard interval */
-	fe_params->guard_interval = GUARD_INTERVAL_AUTO;
-
-	/* hierarchy */
-	fe_params->hierarchy = HIERARCHY_NONE;
-
-	return 0;
-}
-
-static
-int lgs8gxx_get_tune_settings(struct dvb_frontend *fe,
-			      struct dvb_frontend_tune_settings *fesettings)
-{
-	/* FIXME: copy from tda1004x.c */
-	fesettings->min_delay_ms = 800;
-	fesettings->step_size = 0;
-	fesettings->max_drift = 0;
-	return 0;
-}
-
-static int lgs8gxx_read_status(struct dvb_frontend *fe, fe_status_t *fe_status)
-{
-	struct lgs8gxx_state *priv = fe->demodulator_priv;
-	s8 ret;
-	u8 t, locked = 0;
-
-	dprintk("%s\n", __func__);
-	*fe_status = 0;
-
-	lgs8gxx_get_afc_phase(priv);
-	lgs8gxx_is_locked(priv, &locked);
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		if (locked)
-			*fe_status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
-				FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
-		return 0;
-	}
-
-	ret = lgs8gxx_read_reg(priv, 0x4B, &t);
-	if (ret != 0)
-		return -EIO;
-
-	dprintk("Reg 0x4B: 0x%02X\n", t);
-
-	*fe_status = 0;
-	if (priv->config->prod == LGS8GXX_PROD_LGS8913) {
-		if ((t & 0x40) == 0x40)
-			*fe_status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
-		if ((t & 0x80) == 0x80)
-			*fe_status |= FE_HAS_VITERBI | FE_HAS_SYNC |
-				FE_HAS_LOCK;
-	} else {
-		if ((t & 0x80) == 0x80)
-			*fe_status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
-				FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
-	}
-
-	/* success */
-	dprintk("%s: fe_status=0x%x\n", __func__, *fe_status);
-	return 0;
-}
-
-static int lgs8gxx_read_signal_agc(struct lgs8gxx_state *priv, u16 *signal)
-{
-	u16 v;
-	u8 agc_lvl[2], cat;
-
-	dprintk("%s()\n", __func__);
-	lgs8gxx_read_reg(priv, 0x3F, &agc_lvl[0]);
-	lgs8gxx_read_reg(priv, 0x3E, &agc_lvl[1]);
-
-	v = agc_lvl[0];
-	v <<= 8;
-	v |= agc_lvl[1];
-
-	dprintk("agc_lvl: 0x%04X\n", v);
-
-	if (v < 0x100)
-		cat = 0;
-	else if (v < 0x190)
-		cat = 5;
-	else if (v < 0x2A8)
-		cat = 4;
-	else if (v < 0x381)
-		cat = 3;
-	else if (v < 0x400)
-		cat = 2;
-	else if (v == 0x400)
-		cat = 1;
-	else
-		cat = 0;
-
-	*signal = cat * 65535 / 5;
-
-	return 0;
-}
-
-static int lgs8913_read_signal_strength(struct lgs8gxx_state *priv, u16 *signal)
-{
-	u8 t; s8 ret;
-	s16 max_strength = 0;
-	u8 str;
-	u16 i, gi = priv->curr_gi;
-
-	dprintk("%s\n", __func__);
-
-	ret = lgs8gxx_read_reg(priv, 0x4B, &t);
-	if (ret != 0)
-		return -EIO;
-
-	if (fake_signal_str) {
-		if ((t & 0xC0) == 0xC0) {
-			dprintk("Fake signal strength\n");
-			*signal = 0x7FFF;
-		} else
-			*signal = 0;
-		return 0;
-	}
-
-	dprintk("gi = %d\n", gi);
-	for (i = 0; i < gi; i++) {
-
-		if ((i & 0xFF) == 0)
-			lgs8gxx_write_reg(priv, 0x84, 0x03 & (i >> 8));
-		lgs8gxx_write_reg(priv, 0x83, i & 0xFF);
-
-		lgs8gxx_read_reg(priv, 0x94, &str);
-		if (max_strength < str)
-			max_strength = str;
-	}
-
-	*signal = max_strength;
-	dprintk("%s: signal=0x%02X\n", __func__, *signal);
-
-	lgs8gxx_read_reg(priv, 0x95, &t);
-	dprintk("%s: AVG Noise=0x%02X\n", __func__, t);
-
-	return 0;
-}
-
-static int lgs8g75_read_signal_strength(struct lgs8gxx_state *priv, u16 *signal)
-{
-	u8 t;
-	s16 v = 0;
-
-	dprintk("%s\n", __func__);
-
-	lgs8gxx_read_reg(priv, 0xB1, &t);
-	v |= t;
-	v <<= 8;
-	lgs8gxx_read_reg(priv, 0xB0, &t);
-	v |= t;
-
-	*signal = v;
-	dprintk("%s: signal=0x%02X\n", __func__, *signal);
-
-	return 0;
-}
-
-static int lgs8gxx_read_signal_strength(struct dvb_frontend *fe, u16 *signal)
-{
-	struct lgs8gxx_state *priv = fe->demodulator_priv;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8913)
-		return lgs8913_read_signal_strength(priv, signal);
-	else if (priv->config->prod == LGS8GXX_PROD_LGS8G75)
-		return lgs8g75_read_signal_strength(priv, signal);
-	else
-		return lgs8gxx_read_signal_agc(priv, signal);
-}
-
-static int lgs8gxx_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
-	struct lgs8gxx_state *priv = fe->demodulator_priv;
-	u8 t;
-	*snr = 0;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75)
-		lgs8gxx_read_reg(priv, 0x34, &t);
-	else
-		lgs8gxx_read_reg(priv, 0x95, &t);
-	dprintk("AVG Noise=0x%02X\n", t);
-	*snr = 256 - t;
-	*snr <<= 8;
-	dprintk("snr=0x%x\n", *snr);
-
-	return 0;
-}
-
-static int lgs8gxx_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
-{
-	*ucblocks = 0;
-	dprintk("%s: ucblocks=0x%x\n", __func__, *ucblocks);
-	return 0;
-}
-
-static void packet_counter_start(struct lgs8gxx_state *priv)
-{
-	u8 orig, t;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		lgs8gxx_read_reg(priv, 0x30, &orig);
-		orig &= 0xE7;
-		t = orig | 0x10;
-		lgs8gxx_write_reg(priv, 0x30, t);
-		t = orig | 0x18;
-		lgs8gxx_write_reg(priv, 0x30, t);
-		t = orig | 0x10;
-		lgs8gxx_write_reg(priv, 0x30, t);
-	} else {
-		lgs8gxx_write_reg(priv, 0xC6, 0x01);
-		lgs8gxx_write_reg(priv, 0xC6, 0x41);
-		lgs8gxx_write_reg(priv, 0xC6, 0x01);
-	}
-}
-
-static void packet_counter_stop(struct lgs8gxx_state *priv)
-{
-	u8 t;
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		lgs8gxx_read_reg(priv, 0x30, &t);
-		t &= 0xE7;
-		lgs8gxx_write_reg(priv, 0x30, t);
-	} else {
-		lgs8gxx_write_reg(priv, 0xC6, 0x81);
-	}
-}
-
-static int lgs8gxx_read_ber(struct dvb_frontend *fe, u32 *ber)
-{
-	struct lgs8gxx_state *priv = fe->demodulator_priv;
-	u8 reg_err, reg_total, t;
-	u32 total_cnt = 0, err_cnt = 0;
-	int i;
-
-	dprintk("%s\n", __func__);
-
-	packet_counter_start(priv);
-	msleep(200);
-	packet_counter_stop(priv);
-
-	if (priv->config->prod == LGS8GXX_PROD_LGS8G75) {
-		reg_total = 0x28; reg_err = 0x2C;
-	} else {
-		reg_total = 0xD0; reg_err = 0xD4;
-	}
-
-	for (i = 0; i < 4; i++) {
-		total_cnt <<= 8;
-		lgs8gxx_read_reg(priv, reg_total+3-i, &t);
-		total_cnt |= t;
-	}
-	for (i = 0; i < 4; i++) {
-		err_cnt <<= 8;
-		lgs8gxx_read_reg(priv, reg_err+3-i, &t);
-		err_cnt |= t;
-	}
-	dprintk("error=%d total=%d\n", err_cnt, total_cnt);
-
-	if (total_cnt == 0)
-		*ber = 0;
-	else
-		*ber = err_cnt * 100 / total_cnt;
-
-	dprintk("%s: ber=0x%x\n", __func__, *ber);
-	return 0;
-}
-
-static int lgs8gxx_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
-{
-	struct lgs8gxx_state *priv = fe->demodulator_priv;
-
-	if (priv->config->tuner_address == 0)
-		return 0;
-	if (enable) {
-		u8 v = 0x80 | priv->config->tuner_address;
-		return lgs8gxx_write_reg(priv, 0x01, v);
-	}
-	return lgs8gxx_write_reg(priv, 0x01, 0);
-}
-
-static struct dvb_frontend_ops lgs8gxx_ops = {
-	.delsys = { SYS_DTMB },
-	.info = {
-		.name = "Legend Silicon LGS8913/LGS8GXX DMB-TH",
-		.frequency_min = 474000000,
-		.frequency_max = 858000000,
-		.frequency_stepsize = 10000,
-		.caps =
-			FE_CAN_FEC_AUTO |
-			FE_CAN_QAM_AUTO |
-			FE_CAN_TRANSMISSION_MODE_AUTO |
-			FE_CAN_GUARD_INTERVAL_AUTO
-	},
-
-	.release = lgs8gxx_release,
-
-	.init = lgs8gxx_init,
-	.write = lgs8gxx_write,
-	.i2c_gate_ctrl = lgs8gxx_i2c_gate_ctrl,
-
-	.set_frontend = lgs8gxx_set_fe,
-	.get_frontend = lgs8gxx_get_fe,
-	.get_tune_settings = lgs8gxx_get_tune_settings,
-
-	.read_status = lgs8gxx_read_status,
-	.read_ber = lgs8gxx_read_ber,
-	.read_signal_strength = lgs8gxx_read_signal_strength,
-	.read_snr = lgs8gxx_read_snr,
-	.read_ucblocks = lgs8gxx_read_ucblocks,
-};
-
-struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config,
-	struct i2c_adapter *i2c)
-{
-	struct lgs8gxx_state *priv = NULL;
-	u8 data = 0;
-
-	dprintk("%s()\n", __func__);
-
-	if (config == NULL || i2c == NULL)
-		return NULL;
-
-	priv = kzalloc(sizeof(struct lgs8gxx_state), GFP_KERNEL);
-	if (priv == NULL)
-		goto error_out;
-
-	priv->config = config;
-	priv->i2c = i2c;
-
-	/* check if the demod is there */
-	if (lgs8gxx_read_reg(priv, 0, &data) != 0) {
-		dprintk("%s lgs8gxx not found at i2c addr 0x%02X\n",
-			__func__, priv->config->demod_address);
-		goto error_out;
-	}
-
-	lgs8gxx_read_reg(priv, 1, &data);
-
-	memcpy(&priv->frontend.ops, &lgs8gxx_ops,
-	       sizeof(struct dvb_frontend_ops));
-	priv->frontend.demodulator_priv = priv;
-
-	if (config->prod == LGS8GXX_PROD_LGS8G75)
-		lgs8g75_init_data(priv);
-
-	return &priv->frontend;
-
-error_out:
-	dprintk("%s() error_out\n", __func__);
-	kfree(priv);
-	return NULL;
-
-}
-EXPORT_SYMBOL(lgs8gxx_attach);
-
-MODULE_DESCRIPTION("Legend Silicon LGS8913/LGS8GXX DMB-TH demodulator driver");
-MODULE_AUTHOR("David T. L. Wong <davidtlwong@gmail.com>");
-MODULE_LICENSE("GPL");
-MODULE_FIRMWARE(LGS8GXX_FIRMWARE);