[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, 646 deletions

diff --git a/drivers/media/dvb/frontends/cxd2820r_core.c b/drivers/media/dvb/frontends/cxd2820r_core.c
deleted file mode 100644
index 3bba37d74f57..000000000000
--- a/drivers/media/dvb/frontends/cxd2820r_core.c
+++ /dev/null
@@ -1,646 +0,0 @@
-/*
- * Sony CXD2820R demodulator driver
- *
- * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
- *
- *    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.,
- *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-
-#include "cxd2820r_priv.h"
-
-int cxd2820r_debug;
-module_param_named(debug, cxd2820r_debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
-
-/* write multiple registers */
-static int cxd2820r_wr_regs_i2c(struct cxd2820r_priv *priv, u8 i2c, u8 reg,
-	u8 *val, int len)
-{
-	int ret;
-	u8 buf[len+1];
-	struct i2c_msg msg[1] = {
-		{
-			.addr = i2c,
-			.flags = 0,
-			.len = sizeof(buf),
-			.buf = buf,
-		}
-	};
-
-	buf[0] = reg;
-	memcpy(&buf[1], val, len);
-
-	ret = i2c_transfer(priv->i2c, msg, 1);
-	if (ret == 1) {
-		ret = 0;
-	} else {
-		warn("i2c wr failed ret:%d reg:%02x len:%d", ret, reg, len);
-		ret = -EREMOTEIO;
-	}
-	return ret;
-}
-
-/* read multiple registers */
-static int cxd2820r_rd_regs_i2c(struct cxd2820r_priv *priv, u8 i2c, u8 reg,
-	u8 *val, int len)
-{
-	int ret;
-	u8 buf[len];
-	struct i2c_msg msg[2] = {
-		{
-			.addr = i2c,
-			.flags = 0,
-			.len = 1,
-			.buf = &reg,
-		}, {
-			.addr = i2c,
-			.flags = I2C_M_RD,
-			.len = sizeof(buf),
-			.buf = buf,
-		}
-	};
-
-	ret = i2c_transfer(priv->i2c, msg, 2);
-	if (ret == 2) {
-		memcpy(val, buf, len);
-		ret = 0;
-	} else {
-		warn("i2c rd failed ret:%d reg:%02x len:%d", ret, reg, len);
-		ret = -EREMOTEIO;
-	}
-
-	return ret;
-}
-
-/* write multiple registers */
-int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
-	int len)
-{
-	int ret;
-	u8 i2c_addr;
-	u8 reg = (reginfo >> 0) & 0xff;
-	u8 bank = (reginfo >> 8) & 0xff;
-	u8 i2c = (reginfo >> 16) & 0x01;
-
-	/* select I2C */
-	if (i2c)
-		i2c_addr = priv->cfg.i2c_address | (1 << 1); /* DVB-C */
-	else
-		i2c_addr = priv->cfg.i2c_address; /* DVB-T/T2 */
-
-	/* switch bank if needed */
-	if (bank != priv->bank[i2c]) {
-		ret = cxd2820r_wr_regs_i2c(priv, i2c_addr, 0x00, &bank, 1);
-		if (ret)
-			return ret;
-		priv->bank[i2c] = bank;
-	}
-	return cxd2820r_wr_regs_i2c(priv, i2c_addr, reg, val, len);
-}
-
-/* read multiple registers */
-int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
-	int len)
-{
-	int ret;
-	u8 i2c_addr;
-	u8 reg = (reginfo >> 0) & 0xff;
-	u8 bank = (reginfo >> 8) & 0xff;
-	u8 i2c = (reginfo >> 16) & 0x01;
-
-	/* select I2C */
-	if (i2c)
-		i2c_addr = priv->cfg.i2c_address | (1 << 1); /* DVB-C */
-	else
-		i2c_addr = priv->cfg.i2c_address; /* DVB-T/T2 */
-
-	/* switch bank if needed */
-	if (bank != priv->bank[i2c]) {
-		ret = cxd2820r_wr_regs_i2c(priv, i2c_addr, 0x00, &bank, 1);
-		if (ret)
-			return ret;
-		priv->bank[i2c] = bank;
-	}
-	return cxd2820r_rd_regs_i2c(priv, i2c_addr, reg, val, len);
-}
-
-/* write single register */
-int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val)
-{
-	return cxd2820r_wr_regs(priv, reg, &val, 1);
-}
-
-/* read single register */
-int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val)
-{
-	return cxd2820r_rd_regs(priv, reg, val, 1);
-}
-
-/* write single register with mask */
-int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
-	u8 mask)
-{
-	int ret;
-	u8 tmp;
-
-	/* no need for read if whole reg is written */
-	if (mask != 0xff) {
-		ret = cxd2820r_rd_reg(priv, reg, &tmp);
-		if (ret)
-			return ret;
-
-		val &= mask;
-		tmp &= ~mask;
-		val |= tmp;
-	}
-
-	return cxd2820r_wr_reg(priv, reg, val);
-}
-
-int cxd2820r_gpio(struct dvb_frontend *fe)
-{
-	struct cxd2820r_priv *priv = fe->demodulator_priv;
-	int ret, i;
-	u8 *gpio, tmp0, tmp1;
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		gpio = priv->cfg.gpio_dvbt;
-		break;
-	case SYS_DVBT2:
-		gpio = priv->cfg.gpio_dvbt2;
-		break;
-	case SYS_DVBC_ANNEX_AC:
-		gpio = priv->cfg.gpio_dvbc;
-		break;
-	default:
-		ret = -EINVAL;
-		goto error;
-	}
-
-	/* update GPIOs only when needed */
-	if (!memcmp(gpio, priv->gpio, sizeof(priv->gpio)))
-		return 0;
-
-	tmp0 = 0x00;
-	tmp1 = 0x00;
-	for (i = 0; i < sizeof(priv->gpio); i++) {
-		/* enable / disable */
-		if (gpio[i] & CXD2820R_GPIO_E)
-			tmp0 |= (2 << 6) >> (2 * i);
-		else
-			tmp0 |= (1 << 6) >> (2 * i);
-
-		/* input / output */
-		if (gpio[i] & CXD2820R_GPIO_I)
-			tmp1 |= (1 << (3 + i));
-		else
-			tmp1 |= (0 << (3 + i));
-
-		/* high / low */
-		if (gpio[i] & CXD2820R_GPIO_H)
-			tmp1 |= (1 << (0 + i));
-		else
-			tmp1 |= (0 << (0 + i));
-
-		dbg("%s: GPIO i=%d %02x %02x", __func__, i, tmp0, tmp1);
-	}
-
-	dbg("%s: wr gpio=%02x %02x", __func__, tmp0, tmp1);
-
-	/* write bits [7:2] */
-	ret = cxd2820r_wr_reg_mask(priv, 0x00089, tmp0, 0xfc);
-	if (ret)
-		goto error;
-
-	/* write bits [5:0] */
-	ret = cxd2820r_wr_reg_mask(priv, 0x0008e, tmp1, 0x3f);
-	if (ret)
-		goto error;
-
-	memcpy(priv->gpio, gpio, sizeof(priv->gpio));
-
-	return ret;
-error:
-	dbg("%s: failed:%d", __func__, ret);
-	return ret;
-}
-
-/* 64 bit div with round closest, like DIV_ROUND_CLOSEST but 64 bit */
-u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor)
-{
-	return div_u64(dividend + (divisor / 2), divisor);
-}
-
-static int cxd2820r_set_frontend(struct dvb_frontend *fe)
-{
-	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-	switch (c->delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_init_t(fe);
-		if (ret < 0)
-			goto err;
-		ret = cxd2820r_set_frontend_t(fe);
-		if (ret < 0)
-			goto err;
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_init_t(fe);
-		if (ret < 0)
-			goto err;
-		ret = cxd2820r_set_frontend_t2(fe);
-		if (ret < 0)
-			goto err;
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_init_c(fe);
-		if (ret < 0)
-			goto err;
-		ret = cxd2820r_set_frontend_c(fe);
-		if (ret < 0)
-			goto err;
-		break;
-	default:
-		dbg("%s: error state=%d", __func__, fe->dtv_property_cache.delivery_system);
-		ret = -EINVAL;
-		break;
-	}
-err:
-	return ret;
-}
-static int cxd2820r_read_status(struct dvb_frontend *fe, fe_status_t *status)
-{
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_read_status_t(fe, status);
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_read_status_t2(fe, status);
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_read_status_c(fe, status);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-	return ret;
-}
-
-static int cxd2820r_get_frontend(struct dvb_frontend *fe)
-{
-	struct cxd2820r_priv *priv = fe->demodulator_priv;
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
-	if (priv->delivery_system == SYS_UNDEFINED)
-		return 0;
-
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_get_frontend_t(fe);
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_get_frontend_t2(fe);
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_get_frontend_c(fe);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-	return ret;
-}
-
-static int cxd2820r_read_ber(struct dvb_frontend *fe, u32 *ber)
-{
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_read_ber_t(fe, ber);
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_read_ber_t2(fe, ber);
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_read_ber_c(fe, ber);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-	return ret;
-}
-
-static int cxd2820r_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
-{
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_read_signal_strength_t(fe, strength);
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_read_signal_strength_t2(fe, strength);
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_read_signal_strength_c(fe, strength);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-	return ret;
-}
-
-static int cxd2820r_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_read_snr_t(fe, snr);
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_read_snr_t2(fe, snr);
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_read_snr_c(fe, snr);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-	return ret;
-}
-
-static int cxd2820r_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
-{
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_read_ucblocks_t(fe, ucblocks);
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_read_ucblocks_t2(fe, ucblocks);
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_read_ucblocks_c(fe, ucblocks);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-	return ret;
-}
-
-static int cxd2820r_init(struct dvb_frontend *fe)
-{
-	return 0;
-}
-
-static int cxd2820r_sleep(struct dvb_frontend *fe)
-{
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_sleep_t(fe);
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_sleep_t2(fe);
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_sleep_c(fe);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-	return ret;
-}
-
-static int cxd2820r_get_tune_settings(struct dvb_frontend *fe,
-				      struct dvb_frontend_tune_settings *s)
-{
-	int ret;
-
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-	switch (fe->dtv_property_cache.delivery_system) {
-	case SYS_DVBT:
-		ret = cxd2820r_get_tune_settings_t(fe, s);
-		break;
-	case SYS_DVBT2:
-		ret = cxd2820r_get_tune_settings_t2(fe, s);
-		break;
-	case SYS_DVBC_ANNEX_A:
-		ret = cxd2820r_get_tune_settings_c(fe, s);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-	return ret;
-}
-
-static enum dvbfe_search cxd2820r_search(struct dvb_frontend *fe)
-{
-	struct cxd2820r_priv *priv = fe->demodulator_priv;
-	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-	int ret, i;
-	fe_status_t status = 0;
-	dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
-	/* switch between DVB-T and DVB-T2 when tune fails */
-	if (priv->last_tune_failed) {
-		if (priv->delivery_system == SYS_DVBT) {
-			ret = cxd2820r_sleep_t(fe);
-			if (ret)
-				goto error;
-
-			c->delivery_system = SYS_DVBT2;
-		} else if (priv->delivery_system == SYS_DVBT2) {
-			ret = cxd2820r_sleep_t2(fe);
-			if (ret)
-				goto error;
-
-			c->delivery_system = SYS_DVBT;
-		}
-	}
-
-	/* set frontend */
-	ret = cxd2820r_set_frontend(fe);
-	if (ret)
-		goto error;
-
-
-	/* frontend lock wait loop count */
-	switch (priv->delivery_system) {
-	case SYS_DVBT:
-	case SYS_DVBC_ANNEX_A:
-		i = 20;
-		break;
-	case SYS_DVBT2:
-		i = 40;
-		break;
-	case SYS_UNDEFINED:
-	default:
-		i = 0;
-		break;
-	}
-
-	/* wait frontend lock */
-	for (; i > 0; i--) {
-		dbg("%s: LOOP=%d", __func__, i);
-		msleep(50);
-		ret = cxd2820r_read_status(fe, &status);
-		if (ret)
-			goto error;
-
-		if (status & FE_HAS_LOCK)
-			break;
-	}
-
-	/* check if we have a valid signal */
-	if (status & FE_HAS_LOCK) {
-		priv->last_tune_failed = 0;
-		return DVBFE_ALGO_SEARCH_SUCCESS;
-	} else {
-		priv->last_tune_failed = 1;
-		return DVBFE_ALGO_SEARCH_AGAIN;
-	}
-
-error:
-	dbg("%s: failed:%d", __func__, ret);
-	return DVBFE_ALGO_SEARCH_ERROR;
-}
-
-static int cxd2820r_get_frontend_algo(struct dvb_frontend *fe)
-{
-	return DVBFE_ALGO_CUSTOM;
-}
-
-static void cxd2820r_release(struct dvb_frontend *fe)
-{
-	struct cxd2820r_priv *priv = fe->demodulator_priv;
-	dbg("%s", __func__);
-
-	kfree(priv);
-	return;
-}
-
-static int cxd2820r_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
-{
-	struct cxd2820r_priv *priv = fe->demodulator_priv;
-	dbg("%s: %d", __func__, enable);
-
-	/* Bit 0 of reg 0xdb in bank 0x00 controls I2C repeater */
-	return cxd2820r_wr_reg_mask(priv, 0xdb, enable ? 1 : 0, 0x1);
-}
-
-static const struct dvb_frontend_ops cxd2820r_ops = {
-	.delsys = { SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A },
-	/* default: DVB-T/T2 */
-	.info = {
-		.name = "Sony CXD2820R",
-
-		.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_32			|
-			FE_CAN_QAM_64			|
-			FE_CAN_QAM_128			|
-			FE_CAN_QAM_256			|
-			FE_CAN_QAM_AUTO			|
-			FE_CAN_TRANSMISSION_MODE_AUTO	|
-			FE_CAN_GUARD_INTERVAL_AUTO	|
-			FE_CAN_HIERARCHY_AUTO		|
-			FE_CAN_MUTE_TS			|
-			FE_CAN_2G_MODULATION
-		},
-
-	.release		= cxd2820r_release,
-	.init			= cxd2820r_init,
-	.sleep			= cxd2820r_sleep,
-
-	.get_tune_settings	= cxd2820r_get_tune_settings,
-	.i2c_gate_ctrl		= cxd2820r_i2c_gate_ctrl,
-
-	.get_frontend		= cxd2820r_get_frontend,
-
-	.get_frontend_algo	= cxd2820r_get_frontend_algo,
-	.search			= cxd2820r_search,
-
-	.read_status		= cxd2820r_read_status,
-	.read_snr		= cxd2820r_read_snr,
-	.read_ber		= cxd2820r_read_ber,
-	.read_ucblocks		= cxd2820r_read_ucblocks,
-	.read_signal_strength	= cxd2820r_read_signal_strength,
-};
-
-struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg,
-		struct i2c_adapter *i2c)
-{
-	struct cxd2820r_priv *priv = NULL;
-	int ret;
-	u8 tmp;
-
-	priv = kzalloc(sizeof (struct cxd2820r_priv), GFP_KERNEL);
-	if (!priv)
-		goto error;
-
-	priv->i2c = i2c;
-	memcpy(&priv->cfg, cfg, sizeof (struct cxd2820r_config));
-
-	priv->bank[0] = priv->bank[1] = 0xff;
-	ret = cxd2820r_rd_reg(priv, 0x000fd, &tmp);
-	dbg("%s: chip id=%02x", __func__, tmp);
-	if (ret || tmp != 0xe1)
-		goto error;
-
-	memcpy(&priv->fe.ops, &cxd2820r_ops, sizeof (struct dvb_frontend_ops));
-	priv->fe.demodulator_priv = priv;
-	return &priv->fe;
-error:
-	kfree(priv);
-	return NULL;
-}
-EXPORT_SYMBOL(cxd2820r_attach);
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Sony CXD2820R demodulator driver");
-MODULE_LICENSE("GPL");