diff options
Diffstat (limited to 'drivers/media/dvb/frontends/cxd2820r.c')
| -rw-r--r-- | drivers/media/dvb/frontends/cxd2820r.c | 886 |
1 files changed, 886 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/cxd2820r.c b/drivers/media/dvb/frontends/cxd2820r.c new file mode 100644 index 0000000..b58f92c --- /dev/null +++ b/drivers/media/dvb/frontends/cxd2820r.c @@ -0,0 +1,886 @@ +/* + * 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"); |