Working project

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