stv0900-objs = stv0900_core.o stv0900_sw.o
au8522-objs = au8522_dig.o au8522_decoder.o
drxd-objs = drxd_firm.o drxd_hard.o
+cxd2820r-objs = cxd2820r_core.o cxd2820r_c.o cxd2820r_t.o cxd2820r_t2.o
obj-$(CONFIG_DVB_PLL) += dvb-pll.o
obj-$(CONFIG_DVB_STV0299) += stv0299.o
+++ /dev/null
-/*
- * 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).");
-
-/* TODO: temporary hack, will be removed later when there is app support */
-unsigned int cxd2820r_dvbt2_freq[5];
-int cxd2820r_dvbt2_count;
-module_param_array_named(dvbt2_freq, cxd2820r_dvbt2_freq, int,
- &cxd2820r_dvbt2_count, 0644);
-MODULE_PARM_DESC(dvbt2_freq, "RF frequencies forced to DVB-T2 (unit Hz)");
-
-/* 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 = ®,
- }, {
- .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 */
-static 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 */
-static 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 */
-static int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val)
-{
- return cxd2820r_wr_regs(priv, reg, &val, 1);
-}
-
-/* read single register */
-static 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 */
-static 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);
-}
-
-static 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;
-}
-
-/* lock FE */
-static int cxd2820r_lock(struct cxd2820r_priv *priv, int active_fe)
-{
- int ret = 0;
- dbg("%s: active_fe=%d", __func__, active_fe);
-
- mutex_lock(&priv->fe_lock);
-
- /* -1=NONE, 0=DVB-T/T2, 1=DVB-C */
- if (priv->active_fe == active_fe)
- ;
- else if (priv->active_fe == -1)
- priv->active_fe = active_fe;
- else
- ret = -EBUSY;
-
- mutex_unlock(&priv->fe_lock);
-
- return ret;
-}
-
-/* unlock FE */
-static void cxd2820r_unlock(struct cxd2820r_priv *priv, int active_fe)
-{
- dbg("%s: active_fe=%d", __func__, active_fe);
-
- mutex_lock(&priv->fe_lock);
-
- /* -1=NONE, 0=DVB-T/T2, 1=DVB-C */
- if (priv->active_fe == active_fe)
- priv->active_fe = -1;
-
- mutex_unlock(&priv->fe_lock);
-
- return;
-}
-
-/* 64 bit div with round closest, like DIV_ROUND_CLOSEST but 64 bit */
-static u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor)
-{
- return div_u64(dividend + (divisor / 2), divisor);
-}
-
-/* TODO: ... */
-#include "cxd2820r_t.c"
-#include "cxd2820r_c.c"
-#include "cxd2820r_t2.c"
-
-static int cxd2820r_set_frontend(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (priv->delivery_system) {
- case SYS_UNDEFINED:
- if (c->delivery_system == SYS_DVBT) {
- /* SLEEP => DVB-T */
- ret = cxd2820r_set_frontend_t(fe, p);
- } else {
- /* SLEEP => DVB-T2 */
- ret = cxd2820r_set_frontend_t2(fe, p);
- }
- break;
- case SYS_DVBT:
- if (c->delivery_system == SYS_DVBT) {
- /* DVB-T => DVB-T */
- ret = cxd2820r_set_frontend_t(fe, p);
- } else if (c->delivery_system == SYS_DVBT2) {
- /* DVB-T => DVB-T2 */
- ret = cxd2820r_sleep_t(fe);
- ret = cxd2820r_set_frontend_t2(fe, p);
- }
- break;
- case SYS_DVBT2:
- if (c->delivery_system == SYS_DVBT2) {
- /* DVB-T2 => DVB-T2 */
- ret = cxd2820r_set_frontend_t2(fe, p);
- } else if (c->delivery_system == SYS_DVBT) {
- /* DVB-T2 => DVB-T */
- ret = cxd2820r_sleep_t2(fe);
- ret = cxd2820r_set_frontend_t(fe, p);
- }
- break;
- default:
- dbg("%s: error state=%d", __func__,
- priv->delivery_system);
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_set_frontend_c(fe, p);
- }
-
- return ret;
-}
-
-static int cxd2820r_read_status(struct dvb_frontend *fe, fe_status_t *status)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- 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;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_read_status_c(fe, status);
- }
-
- return ret;
-}
-
-static int cxd2820r_get_frontend(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_get_frontend_t(fe, p);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_get_frontend_t2(fe, p);
- break;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_get_frontend_c(fe, p);
- }
-
- return ret;
-}
-
-static int cxd2820r_read_ber(struct dvb_frontend *fe, u32 *ber)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- 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;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_read_ber_c(fe, ber);
- }
-
- return ret;
-}
-
-static int cxd2820r_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- 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;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_read_signal_strength_c(fe, strength);
- }
-
- return ret;
-}
-
-static int cxd2820r_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- 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;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_read_snr_c(fe, snr);
- }
-
- return ret;
-}
-
-static int cxd2820r_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- 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;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_read_ucblocks_c(fe, ucblocks);
- }
-
- return ret;
-}
-
-static int cxd2820r_init(struct dvb_frontend *fe)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- priv->delivery_system = SYS_UNDEFINED;
- /* delivery system is unknown at that (init) phase */
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- ret = cxd2820r_init_t(fe);
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_init_c(fe);
- }
-
- return ret;
-}
-
-static int cxd2820r_sleep(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 (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- 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;
- default:
- ret = -EINVAL;
- }
-
- cxd2820r_unlock(priv, 0);
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_sleep_c(fe);
-
- cxd2820r_unlock(priv, 1);
- }
-
- return ret;
-}
-
-static int cxd2820r_get_tune_settings(struct dvb_frontend *fe,
- struct dvb_frontend_tune_settings *s)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret, i;
- unsigned int rf1, rf2;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- /* TODO: hack! This will be removed later when there is better
- * app support for DVB-T2... */
-
- /* Hz => MHz */
- rf1 = DIV_ROUND_CLOSEST(fe->dtv_property_cache.frequency,
- 1000000);
- for (i = 0; i < cxd2820r_dvbt2_count; i++) {
- if (cxd2820r_dvbt2_freq[i] > 100000000) {
- /* Hz => MHz */
- rf2 = DIV_ROUND_CLOSEST(cxd2820r_dvbt2_freq[i],
- 1000000);
- } else if (cxd2820r_dvbt2_freq[i] > 100000) {
- /* kHz => MHz */
- rf2 = DIV_ROUND_CLOSEST(cxd2820r_dvbt2_freq[i],
- 1000);
- } else {
- rf2 = cxd2820r_dvbt2_freq[i];
- }
-
- dbg("%s: rf1=%d rf2=%d", __func__, rf1, rf2);
-
- if (rf1 == rf2) {
- dbg("%s: forcing DVB-T2, frequency=%d",
- __func__, fe->dtv_property_cache.frequency);
- fe->dtv_property_cache.delivery_system =
- SYS_DVBT2;
- }
- }
-
- 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;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_get_tune_settings_c(fe, s);
- }
-
- return ret;
-}
-
-static void cxd2820r_release(struct dvb_frontend *fe)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- dbg("%s", __func__);
-
- if (fe->ops.info.type == FE_OFDM) {
- i2c_del_adapter(&priv->tuner_i2c_adapter);
- kfree(priv);
- }
-
- return;
-}
-
-static u32 cxd2820r_tuner_i2c_func(struct i2c_adapter *adapter)
-{
- return I2C_FUNC_I2C;
-}
-
-static int cxd2820r_tuner_i2c_xfer(struct i2c_adapter *i2c_adap,
- struct i2c_msg msg[], int num)
-{
- struct cxd2820r_priv *priv = i2c_get_adapdata(i2c_adap);
- u8 obuf[msg[0].len + 2];
- struct i2c_msg msg2[2] = {
- {
- .addr = priv->cfg.i2c_address,
- .flags = 0,
- .len = sizeof(obuf),
- .buf = obuf,
- }, {
- .addr = priv->cfg.i2c_address,
- .flags = I2C_M_RD,
- .len = msg[1].len,
- .buf = msg[1].buf,
- }
- };
-
- obuf[0] = 0x09;
- obuf[1] = (msg[0].addr << 1);
- if (num == 2) { /* I2C read */
- obuf[1] = (msg[0].addr << 1) | I2C_M_RD; /* I2C RD flag */
- msg2[0].len = sizeof(obuf) - 1; /* maybe HW bug ? */
- }
- memcpy(&obuf[2], msg[0].buf, msg[0].len);
-
- return i2c_transfer(priv->i2c, msg2, num);
-}
-
-static struct i2c_algorithm cxd2820r_tuner_i2c_algo = {
- .master_xfer = cxd2820r_tuner_i2c_xfer,
- .functionality = cxd2820r_tuner_i2c_func,
-};
-
-struct i2c_adapter *cxd2820r_get_tuner_i2c_adapter(struct dvb_frontend *fe)
-{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- return &priv->tuner_i2c_adapter;
-}
-EXPORT_SYMBOL(cxd2820r_get_tuner_i2c_adapter);
-
-static struct dvb_frontend_ops cxd2820r_ops[2];
-
-struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg,
- struct i2c_adapter *i2c, struct dvb_frontend *fe)
-{
- int ret;
- struct cxd2820r_priv *priv = NULL;
- u8 tmp;
-
- if (fe == NULL) {
- /* FE0 */
- /* allocate memory for the internal priv */
- priv = kzalloc(sizeof(struct cxd2820r_priv), GFP_KERNEL);
- if (priv == NULL)
- goto error;
-
- /* setup the priv */
- priv->i2c = i2c;
- memcpy(&priv->cfg, cfg, sizeof(struct cxd2820r_config));
- mutex_init(&priv->fe_lock);
-
- priv->active_fe = -1; /* NONE */
-
- /* check if the demod is there */
- 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;
-
- /* create frontends */
- memcpy(&priv->fe[0].ops, &cxd2820r_ops[0],
- sizeof(struct dvb_frontend_ops));
- memcpy(&priv->fe[1].ops, &cxd2820r_ops[1],
- sizeof(struct dvb_frontend_ops));
-
- priv->fe[0].demodulator_priv = priv;
- priv->fe[1].demodulator_priv = priv;
-
- /* create tuner i2c adapter */
- strlcpy(priv->tuner_i2c_adapter.name,
- "CXD2820R tuner I2C adapter",
- sizeof(priv->tuner_i2c_adapter.name));
- priv->tuner_i2c_adapter.algo = &cxd2820r_tuner_i2c_algo;
- priv->tuner_i2c_adapter.algo_data = NULL;
- i2c_set_adapdata(&priv->tuner_i2c_adapter, priv);
- if (i2c_add_adapter(&priv->tuner_i2c_adapter) < 0) {
- err("tuner I2C bus could not be initialized");
- goto error;
- }
-
- return &priv->fe[0];
-
- } else {
- /* FE1: FE0 given as pointer, just return FE1 we have
- * already created */
- priv = fe->demodulator_priv;
- return &priv->fe[1];
- }
-
-error:
- kfree(priv);
- return NULL;
-}
-EXPORT_SYMBOL(cxd2820r_attach);
-
-static struct dvb_frontend_ops cxd2820r_ops[2] = {
- {
- /* DVB-T/T2 */
- .info = {
- .name = "Sony CXD2820R (DVB-T/T2)",
- .type = FE_OFDM,
- .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_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,
-
- .set_frontend = cxd2820r_set_frontend,
- .get_frontend = cxd2820r_get_frontend,
-
- .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,
- },
- {
- /* DVB-C */
- .info = {
- .name = "Sony CXD2820R (DVB-C)",
- .type = FE_QAM,
- .caps =
- FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
- FE_CAN_QAM_128 | FE_CAN_QAM_256 |
- FE_CAN_FEC_AUTO
- },
-
- .release = cxd2820r_release,
- .init = cxd2820r_init,
- .sleep = cxd2820r_sleep,
-
- .get_tune_settings = cxd2820r_get_tune_settings,
-
- .set_frontend = cxd2820r_set_frontend,
- .get_frontend = cxd2820r_get_frontend,
-
- .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,
- },
-};
-
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Sony CXD2820R demodulator driver");
-MODULE_LICENSE("GPL");
*/
-static int cxd2820r_set_frontend_c(struct dvb_frontend *fe,
+#include "cxd2820r_priv.h"
+
+int cxd2820r_set_frontend_c(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
return ret;
}
-static int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
+int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
return ret;
}
-static int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber)
+int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe,
+int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe,
u16 *strength)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
return ret;
}
-static int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr)
+int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks)
+int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks)
{
*ucblocks = 0;
/* no way to read ? */
return 0;
}
-static int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status)
+int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_init_c(struct dvb_frontend *fe)
+int cxd2820r_init_c(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_sleep_c(struct dvb_frontend *fe)
+int cxd2820r_sleep_c(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret, i;
return ret;
}
-static int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
+int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *s)
{
s->min_delay_ms = 500;
--- /dev/null
+/*
+ * 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).");
+
+/* TODO: temporary hack, will be removed later when there is app support */
+unsigned int cxd2820r_dvbt2_freq[5];
+int cxd2820r_dvbt2_count;
+module_param_array_named(dvbt2_freq, cxd2820r_dvbt2_freq, int,
+ &cxd2820r_dvbt2_count, 0644);
+MODULE_PARM_DESC(dvbt2_freq, "RF frequencies forced to DVB-T2 (unit Hz)");
+
+/* 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 = ®,
+ }, {
+ .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;
+}
+
+/* lock FE */
+static int cxd2820r_lock(struct cxd2820r_priv *priv, int active_fe)
+{
+ int ret = 0;
+ dbg("%s: active_fe=%d", __func__, active_fe);
+
+ mutex_lock(&priv->fe_lock);
+
+ /* -1=NONE, 0=DVB-T/T2, 1=DVB-C */
+ if (priv->active_fe == active_fe)
+ ;
+ else if (priv->active_fe == -1)
+ priv->active_fe = active_fe;
+ else
+ ret = -EBUSY;
+
+ mutex_unlock(&priv->fe_lock);
+
+ return ret;
+}
+
+/* unlock FE */
+static void cxd2820r_unlock(struct cxd2820r_priv *priv, int active_fe)
+{
+ dbg("%s: active_fe=%d", __func__, active_fe);
+
+ mutex_lock(&priv->fe_lock);
+
+ /* -1=NONE, 0=DVB-T/T2, 1=DVB-C */
+ if (priv->active_fe == active_fe)
+ priv->active_fe = -1;
+
+ mutex_unlock(&priv->fe_lock);
+
+ return;
+}
+
+/* 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 dvb_frontend_parameters *p)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ switch (priv->delivery_system) {
+ case SYS_UNDEFINED:
+ if (c->delivery_system == SYS_DVBT) {
+ /* SLEEP => DVB-T */
+ ret = cxd2820r_set_frontend_t(fe, p);
+ } else {
+ /* SLEEP => DVB-T2 */
+ ret = cxd2820r_set_frontend_t2(fe, p);
+ }
+ break;
+ case SYS_DVBT:
+ if (c->delivery_system == SYS_DVBT) {
+ /* DVB-T => DVB-T */
+ ret = cxd2820r_set_frontend_t(fe, p);
+ } else if (c->delivery_system == SYS_DVBT2) {
+ /* DVB-T => DVB-T2 */
+ ret = cxd2820r_sleep_t(fe);
+ ret = cxd2820r_set_frontend_t2(fe, p);
+ }
+ break;
+ case SYS_DVBT2:
+ if (c->delivery_system == SYS_DVBT2) {
+ /* DVB-T2 => DVB-T2 */
+ ret = cxd2820r_set_frontend_t2(fe, p);
+ } else if (c->delivery_system == SYS_DVBT) {
+ /* DVB-T2 => DVB-T */
+ ret = cxd2820r_sleep_t2(fe);
+ ret = cxd2820r_set_frontend_t(fe, p);
+ }
+ break;
+ default:
+ dbg("%s: error state=%d", __func__,
+ priv->delivery_system);
+ ret = -EINVAL;
+ }
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_set_frontend_c(fe, p);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ int ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ 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;
+ default:
+ ret = -EINVAL;
+ }
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_read_status_c(fe, status);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_get_frontend(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *p)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ int ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_get_frontend_t(fe, p);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_get_frontend_t2(fe, p);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_get_frontend_c(fe, p);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ int ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ 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;
+ default:
+ ret = -EINVAL;
+ }
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_read_ber_c(fe, ber);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ int ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ 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;
+ default:
+ ret = -EINVAL;
+ }
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_read_signal_strength_c(fe, strength);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ int ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ 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;
+ default:
+ ret = -EINVAL;
+ }
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_read_snr_c(fe, snr);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ int ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ 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;
+ default:
+ ret = -EINVAL;
+ }
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_read_ucblocks_c(fe, ucblocks);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_init(struct dvb_frontend *fe)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ int ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ priv->delivery_system = SYS_UNDEFINED;
+ /* delivery system is unknown at that (init) phase */
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_init_t(fe);
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_init_c(fe);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_sleep(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 (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ 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;
+ default:
+ ret = -EINVAL;
+ }
+
+ cxd2820r_unlock(priv, 0);
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_sleep_c(fe);
+
+ cxd2820r_unlock(priv, 1);
+ }
+
+ return ret;
+}
+
+static int cxd2820r_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *s)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ int ret, i;
+ unsigned int rf1, rf2;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ /* DVB-T/T2 */
+ ret = cxd2820r_lock(priv, 0);
+ if (ret)
+ return ret;
+
+ /* TODO: hack! This will be removed later when there is better
+ * app support for DVB-T2... */
+
+ /* Hz => MHz */
+ rf1 = DIV_ROUND_CLOSEST(fe->dtv_property_cache.frequency,
+ 1000000);
+ for (i = 0; i < cxd2820r_dvbt2_count; i++) {
+ if (cxd2820r_dvbt2_freq[i] > 100000000) {
+ /* Hz => MHz */
+ rf2 = DIV_ROUND_CLOSEST(cxd2820r_dvbt2_freq[i],
+ 1000000);
+ } else if (cxd2820r_dvbt2_freq[i] > 100000) {
+ /* kHz => MHz */
+ rf2 = DIV_ROUND_CLOSEST(cxd2820r_dvbt2_freq[i],
+ 1000);
+ } else {
+ rf2 = cxd2820r_dvbt2_freq[i];
+ }
+
+ dbg("%s: rf1=%d rf2=%d", __func__, rf1, rf2);
+
+ if (rf1 == rf2) {
+ dbg("%s: forcing DVB-T2, frequency=%d",
+ __func__, fe->dtv_property_cache.frequency);
+ fe->dtv_property_cache.delivery_system =
+ SYS_DVBT2;
+ }
+ }
+
+ 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;
+ default:
+ ret = -EINVAL;
+ }
+ } else {
+ /* DVB-C */
+ ret = cxd2820r_lock(priv, 1);
+ if (ret)
+ return ret;
+
+ ret = cxd2820r_get_tune_settings_c(fe, s);
+ }
+
+ return ret;
+}
+
+static void cxd2820r_release(struct dvb_frontend *fe)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ dbg("%s", __func__);
+
+ if (fe->ops.info.type == FE_OFDM) {
+ i2c_del_adapter(&priv->tuner_i2c_adapter);
+ kfree(priv);
+ }
+
+ return;
+}
+
+static u32 cxd2820r_tuner_i2c_func(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static int cxd2820r_tuner_i2c_xfer(struct i2c_adapter *i2c_adap,
+ struct i2c_msg msg[], int num)
+{
+ struct cxd2820r_priv *priv = i2c_get_adapdata(i2c_adap);
+ u8 obuf[msg[0].len + 2];
+ struct i2c_msg msg2[2] = {
+ {
+ .addr = priv->cfg.i2c_address,
+ .flags = 0,
+ .len = sizeof(obuf),
+ .buf = obuf,
+ }, {
+ .addr = priv->cfg.i2c_address,
+ .flags = I2C_M_RD,
+ .len = msg[1].len,
+ .buf = msg[1].buf,
+ }
+ };
+
+ obuf[0] = 0x09;
+ obuf[1] = (msg[0].addr << 1);
+ if (num == 2) { /* I2C read */
+ obuf[1] = (msg[0].addr << 1) | I2C_M_RD; /* I2C RD flag */
+ msg2[0].len = sizeof(obuf) - 1; /* maybe HW bug ? */
+ }
+ memcpy(&obuf[2], msg[0].buf, msg[0].len);
+
+ return i2c_transfer(priv->i2c, msg2, num);
+}
+
+static struct i2c_algorithm cxd2820r_tuner_i2c_algo = {
+ .master_xfer = cxd2820r_tuner_i2c_xfer,
+ .functionality = cxd2820r_tuner_i2c_func,
+};
+
+struct i2c_adapter *cxd2820r_get_tuner_i2c_adapter(struct dvb_frontend *fe)
+{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
+ return &priv->tuner_i2c_adapter;
+}
+EXPORT_SYMBOL(cxd2820r_get_tuner_i2c_adapter);
+
+static struct dvb_frontend_ops cxd2820r_ops[2];
+
+struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg,
+ struct i2c_adapter *i2c, struct dvb_frontend *fe)
+{
+ int ret;
+ struct cxd2820r_priv *priv = NULL;
+ u8 tmp;
+
+ if (fe == NULL) {
+ /* FE0 */
+ /* allocate memory for the internal priv */
+ priv = kzalloc(sizeof(struct cxd2820r_priv), GFP_KERNEL);
+ if (priv == NULL)
+ goto error;
+
+ /* setup the priv */
+ priv->i2c = i2c;
+ memcpy(&priv->cfg, cfg, sizeof(struct cxd2820r_config));
+ mutex_init(&priv->fe_lock);
+
+ priv->active_fe = -1; /* NONE */
+
+ /* check if the demod is there */
+ 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;
+
+ /* create frontends */
+ memcpy(&priv->fe[0].ops, &cxd2820r_ops[0],
+ sizeof(struct dvb_frontend_ops));
+ memcpy(&priv->fe[1].ops, &cxd2820r_ops[1],
+ sizeof(struct dvb_frontend_ops));
+
+ priv->fe[0].demodulator_priv = priv;
+ priv->fe[1].demodulator_priv = priv;
+
+ /* create tuner i2c adapter */
+ strlcpy(priv->tuner_i2c_adapter.name,
+ "CXD2820R tuner I2C adapter",
+ sizeof(priv->tuner_i2c_adapter.name));
+ priv->tuner_i2c_adapter.algo = &cxd2820r_tuner_i2c_algo;
+ priv->tuner_i2c_adapter.algo_data = NULL;
+ i2c_set_adapdata(&priv->tuner_i2c_adapter, priv);
+ if (i2c_add_adapter(&priv->tuner_i2c_adapter) < 0) {
+ err("tuner I2C bus could not be initialized");
+ goto error;
+ }
+
+ return &priv->fe[0];
+
+ } else {
+ /* FE1: FE0 given as pointer, just return FE1 we have
+ * already created */
+ priv = fe->demodulator_priv;
+ return &priv->fe[1];
+ }
+
+error:
+ kfree(priv);
+ return NULL;
+}
+EXPORT_SYMBOL(cxd2820r_attach);
+
+static struct dvb_frontend_ops cxd2820r_ops[2] = {
+ {
+ /* DVB-T/T2 */
+ .info = {
+ .name = "Sony CXD2820R (DVB-T/T2)",
+ .type = FE_OFDM,
+ .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_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,
+
+ .set_frontend = cxd2820r_set_frontend,
+ .get_frontend = cxd2820r_get_frontend,
+
+ .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,
+ },
+ {
+ /* DVB-C */
+ .info = {
+ .name = "Sony CXD2820R (DVB-C)",
+ .type = FE_QAM,
+ .caps =
+ FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 | FE_CAN_QAM_256 |
+ FE_CAN_FEC_AUTO
+ },
+
+ .release = cxd2820r_release,
+ .init = cxd2820r_init,
+ .sleep = cxd2820r_sleep,
+
+ .get_tune_settings = cxd2820r_get_tune_settings,
+
+ .set_frontend = cxd2820r_set_frontend,
+ .get_frontend = cxd2820r_get_frontend,
+
+ .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,
+ },
+};
+
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Sony CXD2820R demodulator driver");
+MODULE_LICENSE("GPL");
#ifndef CXD2820R_PRIV_H
#define CXD2820R_PRIV_H
+#include <linux/dvb/version.h>
#include "dvb_frontend.h"
#include "dvb_math.h"
#include "cxd2820r.h"
u8 bank[2];
u8 gpio[3];
-
+
fe_delivery_system_t delivery_system;
};
+/* cxd2820r_core.c */
+
+extern int cxd2820r_debug;
+
+int cxd2820r_gpio(struct dvb_frontend *fe);
+
+int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
+ u8 mask);
+
+int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
+ int len);
+
+u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor);
+
+int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
+ int len);
+
+int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
+ int len);
+
+int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
+
+int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
+
+/* cxd2820r_c.c */
+
+int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *p);
+
+int cxd2820r_set_frontend_c(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params);
+
+int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status);
+
+int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
+
+int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
+
+int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
+
+int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
+
+int cxd2820r_init_c(struct dvb_frontend *fe);
+
+int cxd2820r_sleep_c(struct dvb_frontend *fe);
+
+int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *s);
+
+/* cxd2820r_t.c */
+
+int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *p);
+
+int cxd2820r_set_frontend_t(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params);
+
+int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status);
+
+int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
+
+int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
+
+int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
+
+int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
+
+int cxd2820r_init_t(struct dvb_frontend *fe);
+
+int cxd2820r_sleep_t(struct dvb_frontend *fe);
+
+int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *s);
+
+/* cxd2820r_t2.c */
+
+int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *p);
+
+int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params);
+
+int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status);
+
+int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
+
+int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
+
+int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
+
+int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
+
+int cxd2820r_init_t2(struct dvb_frontend *fe);
+
+int cxd2820r_sleep_t2(struct dvb_frontend *fe);
+
+int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *s);
+
#endif /* CXD2820R_PRIV_H */
*/
-static int cxd2820r_set_frontend_t(struct dvb_frontend *fe,
+#include "cxd2820r_priv.h"
+
+int cxd2820r_set_frontend_t(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
return ret;
}
-static int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
+int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
return ret;
}
-static int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber)
+int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe,
+int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe,
u16 *strength)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
return ret;
}
-static int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr)
+int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks)
+int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks)
{
*ucblocks = 0;
/* no way to read ? */
return 0;
}
-static int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status)
+int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_init_t(struct dvb_frontend *fe)
+int cxd2820r_init_t(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_sleep_t(struct dvb_frontend *fe)
+int cxd2820r_sleep_t(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret, i;
return ret;
}
-static int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
+int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *s)
{
s->min_delay_ms = 500;
*/
-static int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
+#include "cxd2820r_priv.h"
+
+int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
}
-static int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
+int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
return ret;
}
-static int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status)
+int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber)
+int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe,
+int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe,
u16 *strength)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
return ret;
}
-static int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr)
+int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
return ret;
}
-static int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks)
+int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks)
{
*ucblocks = 0;
/* no way to read ? */
return 0;
}
-static int cxd2820r_sleep_t2(struct dvb_frontend *fe)
+int cxd2820r_sleep_t2(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret, i;
return ret;
}
-static int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
+int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *s)
{
s->min_delay_ms = 1500;
projects / deliverable / linux.git / commitdiff
