Initial import

1 files changed, 139 insertions, 0 deletions

diff --git a/drivers/media/tuners/tda18271.h b/drivers/media/tuners/tda18271.h
new file mode 100644
index 000000000..0a846333c
--- /dev/null
+++ b/drivers/media/tuners/tda18271.h
@@ -0,0 +1,139 @@
+/*
+    tda18271.h - header for the Philips / NXP TDA18271 silicon tuner
+
+    Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __TDA18271_H__
+#define __TDA18271_H__
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+struct tda18271_std_map_item {
+	u16 if_freq;
+
+	/* EP3[4:3] */
+	unsigned int agc_mode:2;
+	/* EP3[2:0] */
+	unsigned int std:3;
+	/* EP4[7] */
+	unsigned int fm_rfn:1;
+	/* EP4[4:2] */
+	unsigned int if_lvl:3;
+	/* EB22[6:0] */
+	unsigned int rfagc_top:7;
+};
+
+struct tda18271_std_map {
+	struct tda18271_std_map_item fm_radio;
+	struct tda18271_std_map_item atv_b;
+	struct tda18271_std_map_item atv_dk;
+	struct tda18271_std_map_item atv_gh;
+	struct tda18271_std_map_item atv_i;
+	struct tda18271_std_map_item atv_l;
+	struct tda18271_std_map_item atv_lc;
+	struct tda18271_std_map_item atv_mn;
+	struct tda18271_std_map_item atsc_6;
+	struct tda18271_std_map_item dvbt_6;
+	struct tda18271_std_map_item dvbt_7;
+	struct tda18271_std_map_item dvbt_8;
+	struct tda18271_std_map_item qam_6;
+	struct tda18271_std_map_item qam_7;
+	struct tda18271_std_map_item qam_8;
+};
+
+enum tda18271_role {
+	TDA18271_MASTER = 0,
+	TDA18271_SLAVE,
+};
+
+enum tda18271_i2c_gate {
+	TDA18271_GATE_AUTO = 0,
+	TDA18271_GATE_ANALOG,
+	TDA18271_GATE_DIGITAL,
+};
+
+enum tda18271_output_options {
+	/* slave tuner output & loop thru & xtal oscillator always on */
+	TDA18271_OUTPUT_LT_XT_ON = 0,
+
+	/* slave tuner output loop thru off */
+	TDA18271_OUTPUT_LT_OFF = 1,
+
+	/* xtal oscillator off */
+	TDA18271_OUTPUT_XT_OFF = 2,
+};
+
+enum tda18271_small_i2c {
+	TDA18271_39_BYTE_CHUNK_INIT = 0,
+	TDA18271_16_BYTE_CHUNK_INIT = 16,
+	TDA18271_08_BYTE_CHUNK_INIT = 8,
+	TDA18271_03_BYTE_CHUNK_INIT = 3,
+};
+
+struct tda18271_config {
+	/* override default if freq / std settings (optional) */
+	struct tda18271_std_map *std_map;
+
+	/* master / slave tuner: master uses main pll, slave uses cal pll */
+	enum tda18271_role role;
+
+	/* use i2c gate provided by analog or digital demod */
+	enum tda18271_i2c_gate gate;
+
+	/* output options that can be disabled */
+	enum tda18271_output_options output_opt;
+
+	/* some i2c providers can't write all 39 registers at once */
+	enum tda18271_small_i2c small_i2c;
+
+	/* force rf tracking filter calibration on startup */
+	unsigned int rf_cal_on_startup:1;
+
+	/* prevent any register access during attach(),
+	 * delaying both IR & RF calibration until init()
+	 * module option 'cal' overrides this delay */
+	unsigned int delay_cal:1;
+
+	/* interface to saa713x / tda829x */
+	unsigned int config;
+};
+
+#define TDA18271_CALLBACK_CMD_AGC_ENABLE 0
+
+enum tda18271_mode {
+	TDA18271_ANALOG = 0,
+	TDA18271_DIGITAL,
+};
+
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18271)
+extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
+					    struct i2c_adapter *i2c,
+					    struct tda18271_config *cfg);
+#else
+static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
+						   u8 addr,
+						   struct i2c_adapter *i2c,
+						   struct tda18271_config *cfg)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+#endif /* __TDA18271_H__ */