1e8f31f317
Currently there is LNA behind cxd2820r demodulator GPIO. Use Kernel GPIO interface to access those GPIOs. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
148 lines
4 KiB
C
148 lines
4 KiB
C
/*
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* Sony CXD2820R demodulator driver
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*
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* Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef CXD2820R_PRIV_H
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#define CXD2820R_PRIV_H
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#include <linux/dvb/version.h>
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#include "dvb_frontend.h"
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#include "dvb_math.h"
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#include "cxd2820r.h"
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#include <linux/gpio.h>
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struct reg_val_mask {
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u32 reg;
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u8 val;
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u8 mask;
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};
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struct cxd2820r_priv {
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struct i2c_adapter *i2c;
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struct dvb_frontend fe;
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struct cxd2820r_config cfg;
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bool ber_running;
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u8 bank[2];
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#define GPIO_COUNT 3
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u8 gpio[GPIO_COUNT];
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#ifdef CONFIG_GPIOLIB
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struct gpio_chip gpio_chip;
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#endif
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fe_delivery_system_t delivery_system;
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bool last_tune_failed; /* for switch between T and T2 tune */
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};
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/* cxd2820r_core.c */
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extern int cxd2820r_debug;
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int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio);
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int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
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u8 mask);
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int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
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int len);
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u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor);
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int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
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int len);
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int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
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int len);
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int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
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int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
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/* cxd2820r_c.c */
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int cxd2820r_get_frontend_c(struct dvb_frontend *fe);
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int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
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int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status);
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int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
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int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
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int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
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int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
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int cxd2820r_init_c(struct dvb_frontend *fe);
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int cxd2820r_sleep_c(struct dvb_frontend *fe);
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int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
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struct dvb_frontend_tune_settings *s);
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/* cxd2820r_t.c */
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int cxd2820r_get_frontend_t(struct dvb_frontend *fe);
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int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
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int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status);
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int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
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int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
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int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
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int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
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int cxd2820r_init_t(struct dvb_frontend *fe);
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int cxd2820r_sleep_t(struct dvb_frontend *fe);
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int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
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struct dvb_frontend_tune_settings *s);
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/* cxd2820r_t2.c */
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int cxd2820r_get_frontend_t2(struct dvb_frontend *fe);
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int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
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int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status);
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int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
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int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
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int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
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int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
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int cxd2820r_init_t2(struct dvb_frontend *fe);
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int cxd2820r_sleep_t2(struct dvb_frontend *fe);
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int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
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struct dvb_frontend_tune_settings *s);
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#endif /* CXD2820R_PRIV_H */
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