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https://github.com/torvalds/linux
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7e3e68bcfd
Instead of using the DTV properties cache directly, pass the get frontend data as an argument. For now, everything should remain the same, but the next patch will prevent get_frontend to affect the global cache. This is needed because several drivers don't care enough to only change the properties if locked. Due to that, calling G_PROPERTY before locking on those drivers will make them to never lock. Ok, those drivers are crap and should never be merged like that, but the core should not rely that the drivers would be doing the right thing. Reviewed-by: Michael Ira Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
150 lines
4.1 KiB
C
150 lines
4.1 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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enum fe_delivery_system 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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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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struct dtv_frontend_properties *p);
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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, enum fe_status *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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struct dtv_frontend_properties *p);
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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, enum fe_status *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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struct dtv_frontend_properties *p);
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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, enum fe_status *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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