diff options
Diffstat (limited to 'hardware/src/r820/include/tuner_r82xx.h')
| -rw-r--r-- | hardware/src/r820/include/tuner_r82xx.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/hardware/src/r820/include/tuner_r82xx.h b/hardware/src/r820/include/tuner_r82xx.h new file mode 100644 index 0000000..f6c206a --- /dev/null +++ b/hardware/src/r820/include/tuner_r82xx.h @@ -0,0 +1,120 @@ +/* + * Rafael Micro R820T/R828D driver + * + * Copyright (C) 2013 Mauro Carvalho Chehab <mchehab@redhat.com> + * Copyright (C) 2013 Steve Markgraf <steve@steve-m.de> + * + * This driver is a heavily modified version of the driver found in the + * Linux kernel: + * http://git.linuxtv.org/linux-2.6.git/history/HEAD:/drivers/media/tuners/r820t.c + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef R82XX_H +#define R82XX_H + +#define R820T_I2C_ADDR 0x34 +#define R828D_I2C_ADDR 0x74 +#define R828D_XTAL_FREQ 16000000 + +#define R82XX_CHECK_ADDR 0x00 +#define R82XX_CHECK_VAL 0x69 + +#define R82XX_IF_FREQ 3570000 + +#define REG_SHADOW_START 5 +#define NUM_REGS 30 +#define NUM_IMR 5 +#define IMR_TRIAL 9 + +#define VER_NUM 49 + +enum r82xx_chip { + CHIP_R820T, + CHIP_R620D, + CHIP_R828D, + CHIP_R828, + CHIP_R828S, + CHIP_R820C, +}; + +enum r82xx_tuner_type { + TUNER_RADIO = 1, + TUNER_ANALOG_TV, + TUNER_DIGITAL_TV +}; + +enum r82xx_xtal_cap_value { + XTAL_LOW_CAP_30P = 0, + XTAL_LOW_CAP_20P, + XTAL_LOW_CAP_10P, + XTAL_LOW_CAP_0P, + XTAL_HIGH_CAP_0P +}; + +struct r82xx_config { + uint8_t i2c_addr; + uint32_t xtal; + enum r82xx_chip rafael_chip; + unsigned int max_i2c_msg_len; + int use_predetect; +}; + +struct r82xx_priv { + struct r82xx_config *cfg; + + uint8_t regs[NUM_REGS]; + uint8_t buf[NUM_REGS + 1]; + enum r82xx_xtal_cap_value xtal_cap_sel; + uint16_t pll; /* kHz */ + uint32_t int_freq; + uint8_t fil_cal_code; + uint8_t input; + int has_lock; + int init_done; + + /* Store current mode */ + uint32_t delsys; + enum r82xx_tuner_type type; + + uint32_t bw; /* in MHz */ + + void *rtl_dev; +}; + +struct r82xx_freq_range { + uint32_t freq; + uint8_t open_d; + uint8_t rf_mux_ploy; + uint8_t tf_c; + uint8_t xtal_cap20p; + uint8_t xtal_cap10p; + uint8_t xtal_cap0p; +}; + +enum r82xx_delivery_system { + SYS_UNDEFINED, + SYS_DVBT, + SYS_DVBT2, + SYS_ISDBT, +}; + +int r82xx_standby(struct r82xx_priv *priv); +int r82xx_init(struct r82xx_priv *priv); +int r82xx_set_freq(struct r82xx_priv *priv, uint32_t freq); +int r82xx_set_gain(struct r82xx_priv *priv, int set_manual_gain, int gain); +int r82xx_set_bandwidth(struct r82xx_priv *priv, int bandwidth, uint32_t rate); + +#endif |