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Diffstat (limited to 'drivers/media/dvb-frontends/cxd2820r.h')
-rw-r--r--drivers/media/dvb-frontends/cxd2820r.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/cxd2820r.h b/drivers/media/dvb-frontends/cxd2820r.h
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+++ b/drivers/media/dvb-frontends/cxd2820r.h
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+/*
+ * 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.
+ */
+
+
+#ifndef CXD2820R_H
+#define CXD2820R_H
+
+#include <linux/dvb/frontend.h>
+
+#define CXD2820R_GPIO_D (0 << 0) /* disable */
+#define CXD2820R_GPIO_E (1 << 0) /* enable */
+#define CXD2820R_GPIO_O (0 << 1) /* output */
+#define CXD2820R_GPIO_I (1 << 1) /* input */
+#define CXD2820R_GPIO_L (0 << 2) /* output low */
+#define CXD2820R_GPIO_H (1 << 2) /* output high */
+
+#define CXD2820R_TS_SERIAL 0x08
+#define CXD2820R_TS_SERIAL_MSB 0x28
+#define CXD2820R_TS_PARALLEL 0x30
+#define CXD2820R_TS_PARALLEL_MSB 0x70
+
+struct cxd2820r_config {
+ /* Demodulator I2C address.
+ * Driver determines DVB-C slave I2C address automatically from master
+ * address.
+ * Default: none, must set
+ * Values: 0x6c, 0x6d
+ */
+ u8 i2c_address;
+
+ /* TS output mode.
+ * Default: none, must set.
+ * Values:
+ */
+ u8 ts_mode;
+
+ /* IF AGC polarity.
+ * Default: 0
+ * Values: 0, 1
+ */
+ bool if_agc_polarity;
+
+ /* Spectrum inversion.
+ * Default: 0
+ * Values: 0, 1
+ */
+ bool spec_inv;
+
+ /* GPIOs for all used modes.
+ * Default: none, disabled
+ * Values: <see above>
+ */
+ u8 gpio_dvbt[3];
+ u8 gpio_dvbt2[3];
+ u8 gpio_dvbc[3];
+};
+
+
+#if defined(CONFIG_DVB_CXD2820R) || \
+ (defined(CONFIG_DVB_CXD2820R_MODULE) && defined(MODULE))
+extern struct dvb_frontend *cxd2820r_attach(
+ const struct cxd2820r_config *config,
+ struct i2c_adapter *i2c
+);
+#else
+static inline struct dvb_frontend *cxd2820r_attach(
+ const struct cxd2820r_config *config,
+ struct i2c_adapter *i2c
+)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+
+#endif
+
+#endif /* CXD2820R_H */