[media] dvb: move the dvb core one level up

just like the V4L2 core, move the DVB core to drivers/media, as the
intention is to get rid of both "video" and "dvb" directories.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 425 insertions, 0 deletions

diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
new file mode 100644
index 000000000000..de410cc94fbb
--- /dev/null
+++ b/drivers/media/dvb-core/dvb_frontend.h
@@ -0,0 +1,425 @@
+/*
+ * dvb_frontend.h
+ *
+ * Copyright (C) 2001 convergence integrated media GmbH
+ * Copyright (C) 2004 convergence GmbH
+ *
+ * Written by Ralph Metzler
+ * Overhauled by Holger Waechtler
+ * Kernel I2C stuff by Michael Hunold <hunold@convergence.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * 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 Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+
+#ifndef _DVB_FRONTEND_H_
+#define _DVB_FRONTEND_H_
+
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/ioctl.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+
+#include <linux/dvb/frontend.h>
+
+#include "dvbdev.h"
+
+/*
+ * Maximum number of Delivery systems per frontend. It
+ * should be smaller or equal to 32
+ */
+#define MAX_DELSYS	8
+
+struct dvb_frontend_tune_settings {
+	int min_delay_ms;
+	int step_size;
+	int max_drift;
+};
+
+struct dvb_frontend;
+
+struct dvb_tuner_info {
+	char name[128];
+
+	u32 frequency_min;
+	u32 frequency_max;
+	u32 frequency_step;
+
+	u32 bandwidth_min;
+	u32 bandwidth_max;
+	u32 bandwidth_step;
+};
+
+struct analog_parameters {
+	unsigned int frequency;
+	unsigned int mode;
+	unsigned int audmode;
+	u64 std;
+};
+
+enum dvbfe_modcod {
+	DVBFE_MODCOD_DUMMY_PLFRAME	= 0,
+	DVBFE_MODCOD_QPSK_1_4,
+	DVBFE_MODCOD_QPSK_1_3,
+	DVBFE_MODCOD_QPSK_2_5,
+	DVBFE_MODCOD_QPSK_1_2,
+	DVBFE_MODCOD_QPSK_3_5,
+	DVBFE_MODCOD_QPSK_2_3,
+	DVBFE_MODCOD_QPSK_3_4,
+	DVBFE_MODCOD_QPSK_4_5,
+	DVBFE_MODCOD_QPSK_5_6,
+	DVBFE_MODCOD_QPSK_8_9,
+	DVBFE_MODCOD_QPSK_9_10,
+	DVBFE_MODCOD_8PSK_3_5,
+	DVBFE_MODCOD_8PSK_2_3,
+	DVBFE_MODCOD_8PSK_3_4,
+	DVBFE_MODCOD_8PSK_5_6,
+	DVBFE_MODCOD_8PSK_8_9,
+	DVBFE_MODCOD_8PSK_9_10,
+	DVBFE_MODCOD_16APSK_2_3,
+	DVBFE_MODCOD_16APSK_3_4,
+	DVBFE_MODCOD_16APSK_4_5,
+	DVBFE_MODCOD_16APSK_5_6,
+	DVBFE_MODCOD_16APSK_8_9,
+	DVBFE_MODCOD_16APSK_9_10,
+	DVBFE_MODCOD_32APSK_3_4,
+	DVBFE_MODCOD_32APSK_4_5,
+	DVBFE_MODCOD_32APSK_5_6,
+	DVBFE_MODCOD_32APSK_8_9,
+	DVBFE_MODCOD_32APSK_9_10,
+	DVBFE_MODCOD_RESERVED_1,
+	DVBFE_MODCOD_BPSK_1_3,
+	DVBFE_MODCOD_BPSK_1_4,
+	DVBFE_MODCOD_RESERVED_2
+};
+
+enum tuner_param {
+	DVBFE_TUNER_FREQUENCY		= (1 <<  0),
+	DVBFE_TUNER_TUNERSTEP		= (1 <<  1),
+	DVBFE_TUNER_IFFREQ		= (1 <<  2),
+	DVBFE_TUNER_BANDWIDTH		= (1 <<  3),
+	DVBFE_TUNER_REFCLOCK		= (1 <<  4),
+	DVBFE_TUNER_IQSENSE		= (1 <<  5),
+	DVBFE_TUNER_DUMMY		= (1 << 31)
+};
+
+/*
+ * ALGO_HW: (Hardware Algorithm)
+ * ----------------------------------------------------------------
+ * Devices that support this algorithm do everything in hardware
+ * and no software support is needed to handle them.
+ * Requesting these devices to LOCK is the only thing required,
+ * device is supposed to do everything in the hardware.
+ *
+ * ALGO_SW: (Software Algorithm)
+ * ----------------------------------------------------------------
+ * These are dumb devices, that require software to do everything
+ *
+ * ALGO_CUSTOM: (Customizable Agorithm)
+ * ----------------------------------------------------------------
+ * Devices having this algorithm can be customized to have specific
+ * algorithms in the frontend driver, rather than simply doing a
+ * software zig-zag. In this case the zigzag maybe hardware assisted
+ * or it maybe completely done in hardware. In all cases, usage of
+ * this algorithm, in conjunction with the search and track
+ * callbacks, utilizes the driver specific algorithm.
+ *
+ * ALGO_RECOVERY: (Recovery Algorithm)
+ * ----------------------------------------------------------------
+ * These devices have AUTO recovery capabilities from LOCK failure
+ */
+enum dvbfe_algo {
+	DVBFE_ALGO_HW			= (1 <<  0),
+	DVBFE_ALGO_SW			= (1 <<  1),
+	DVBFE_ALGO_CUSTOM		= (1 <<  2),
+	DVBFE_ALGO_RECOVERY		= (1 << 31)
+};
+
+struct tuner_state {
+	u32 frequency;
+	u32 tunerstep;
+	u32 ifreq;
+	u32 bandwidth;
+	u32 iqsense;
+	u32 refclock;
+};
+
+/*
+ * search callback possible return status
+ *
+ * DVBFE_ALGO_SEARCH_SUCCESS
+ * The frontend search algorithm completed and returned successfully
+ *
+ * DVBFE_ALGO_SEARCH_ASLEEP
+ * The frontend search algorithm is sleeping
+ *
+ * DVBFE_ALGO_SEARCH_FAILED
+ * The frontend search for a signal failed
+ *
+ * DVBFE_ALGO_SEARCH_INVALID
+ * The frontend search algorith was probably supplied with invalid
+ * parameters and the search is an invalid one
+ *
+ * DVBFE_ALGO_SEARCH_ERROR
+ * The frontend search algorithm failed due to some error
+ *
+ * DVBFE_ALGO_SEARCH_AGAIN
+ * The frontend search algorithm was requested to search again
+ */
+enum dvbfe_search {
+	DVBFE_ALGO_SEARCH_SUCCESS	= (1 <<  0),
+	DVBFE_ALGO_SEARCH_ASLEEP	= (1 <<  1),
+	DVBFE_ALGO_SEARCH_FAILED	= (1 <<  2),
+	DVBFE_ALGO_SEARCH_INVALID	= (1 <<  3),
+	DVBFE_ALGO_SEARCH_AGAIN		= (1 <<  4),
+	DVBFE_ALGO_SEARCH_ERROR		= (1 << 31),
+};
+
+
+struct dvb_tuner_ops {
+
+	struct dvb_tuner_info info;
+
+	int (*release)(struct dvb_frontend *fe);
+	int (*init)(struct dvb_frontend *fe);
+	int (*sleep)(struct dvb_frontend *fe);
+
+	/** This is for simple PLLs - set all parameters in one go. */
+	int (*set_params)(struct dvb_frontend *fe);
+	int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p);
+
+	/** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
+	int (*calc_regs)(struct dvb_frontend *fe, u8 *buf, int buf_len);
+
+	/** This is to allow setting tuner-specific configs */
+	int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
+
+	int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
+	int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
+	int (*get_if_frequency)(struct dvb_frontend *fe, u32 *frequency);
+
+#define TUNER_STATUS_LOCKED 1
+#define TUNER_STATUS_STEREO 2
+	int (*get_status)(struct dvb_frontend *fe, u32 *status);
+	int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
+	int (*get_afc)(struct dvb_frontend *fe, s32 *afc);
+
+	/** These are provided separately from set_params in order to facilitate silicon
+	 * tuners which require sophisticated tuning loops, controlling each parameter separately. */
+	int (*set_frequency)(struct dvb_frontend *fe, u32 frequency);
+	int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
+
+	/*
+	 * These are provided separately from set_params in order to facilitate silicon
+	 * tuners which require sophisticated tuning loops, controlling each parameter separately.
+	 */
+	int (*set_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
+	int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
+};
+
+struct analog_demod_info {
+	char *name;
+};
+
+struct analog_demod_ops {
+
+	struct analog_demod_info info;
+
+	void (*set_params)(struct dvb_frontend *fe,
+			   struct analog_parameters *params);
+	int  (*has_signal)(struct dvb_frontend *fe);
+	int  (*get_afc)(struct dvb_frontend *fe);
+	void (*tuner_status)(struct dvb_frontend *fe);
+	void (*standby)(struct dvb_frontend *fe);
+	void (*release)(struct dvb_frontend *fe);
+	int  (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable);
+
+	/** This is to allow setting tuner-specific configuration */
+	int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
+};
+
+struct dtv_frontend_properties;
+
+struct dvb_frontend_ops {
+
+	struct dvb_frontend_info info;
+
+	u8 delsys[MAX_DELSYS];
+
+	void (*release)(struct dvb_frontend* fe);
+	void (*release_sec)(struct dvb_frontend* fe);
+
+	int (*init)(struct dvb_frontend* fe);
+	int (*sleep)(struct dvb_frontend* fe);
+
+	int (*write)(struct dvb_frontend* fe, const u8 buf[], int len);
+
+	/* if this is set, it overrides the default swzigzag */
+	int (*tune)(struct dvb_frontend* fe,
+		    bool re_tune,
+		    unsigned int mode_flags,
+		    unsigned int *delay,
+		    fe_status_t *status);
+	/* get frontend tuning algorithm from the module */
+	enum dvbfe_algo (*get_frontend_algo)(struct dvb_frontend *fe);
+
+	/* these two are only used for the swzigzag code */
+	int (*set_frontend)(struct dvb_frontend *fe);
+	int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);
+
+	int (*get_frontend)(struct dvb_frontend *fe);
+
+	int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
+	int (*read_ber)(struct dvb_frontend* fe, u32* ber);
+	int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
+	int (*read_snr)(struct dvb_frontend* fe, u16* snr);
+	int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks);
+
+	int (*diseqc_reset_overload)(struct dvb_frontend* fe);
+	int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
+	int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply);
+	int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
+	int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
+	int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
+	int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg);
+	int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
+	int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
+	int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
+
+	/* These callbacks are for devices that implement their own
+	 * tuning algorithms, rather than a simple swzigzag
+	 */
+	enum dvbfe_search (*search)(struct dvb_frontend *fe);
+
+	struct dvb_tuner_ops tuner_ops;
+	struct analog_demod_ops analog_ops;
+
+	int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
+	int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
+};
+
+#ifdef __DVB_CORE__
+#define MAX_EVENT 8
+
+struct dvb_fe_events {
+	struct dvb_frontend_event events[MAX_EVENT];
+	int			  eventw;
+	int			  eventr;
+	int			  overflow;
+	wait_queue_head_t	  wait_queue;
+	struct mutex		  mtx;
+};
+#endif
+
+struct dtv_frontend_properties {
+
+	/* Cache State */
+	u32			state;
+
+	u32			frequency;
+	fe_modulation_t		modulation;
+
+	fe_sec_voltage_t	voltage;
+	fe_sec_tone_mode_t	sectone;
+	fe_spectral_inversion_t	inversion;
+	fe_code_rate_t		fec_inner;
+	fe_transmit_mode_t	transmission_mode;
+	u32			bandwidth_hz;	/* 0 = AUTO */
+	fe_guard_interval_t	guard_interval;
+	fe_hierarchy_t		hierarchy;
+	u32			symbol_rate;
+	fe_code_rate_t		code_rate_HP;
+	fe_code_rate_t		code_rate_LP;
+
+	fe_pilot_t		pilot;
+	fe_rolloff_t		rolloff;
+
+	fe_delivery_system_t	delivery_system;
+
+	enum fe_interleaving	interleaving;
+
+	/* ISDB-T specifics */
+	u8			isdbt_partial_reception;
+	u8			isdbt_sb_mode;
+	u8			isdbt_sb_subchannel;
+	u32			isdbt_sb_segment_idx;
+	u32			isdbt_sb_segment_count;
+	u8			isdbt_layer_enabled;
+	struct {
+	    u8			segment_count;
+	    fe_code_rate_t	fec;
+	    fe_modulation_t	modulation;
+	    u8			interleaving;
+	} layer[3];
+
+	/* ISDB-T specifics */
+	u32			isdbs_ts_id;
+
+	/* DVB-T2 specifics */
+	u32                     dvbt2_plp_id;
+
+	/* ATSC-MH specifics */
+	u8			atscmh_fic_ver;
+	u8			atscmh_parade_id;
+	u8			atscmh_nog;
+	u8			atscmh_tnog;
+	u8			atscmh_sgn;
+	u8			atscmh_prc;
+
+	u8			atscmh_rs_frame_mode;
+	u8			atscmh_rs_frame_ensemble;
+	u8			atscmh_rs_code_mode_pri;
+	u8			atscmh_rs_code_mode_sec;
+	u8			atscmh_sccc_block_mode;
+	u8			atscmh_sccc_code_mode_a;
+	u8			atscmh_sccc_code_mode_b;
+	u8			atscmh_sccc_code_mode_c;
+	u8			atscmh_sccc_code_mode_d;
+};
+
+struct dvb_frontend {
+	struct dvb_frontend_ops ops;
+	struct dvb_adapter *dvb;
+	void *demodulator_priv;
+	void *tuner_priv;
+	void *frontend_priv;
+	void *sec_priv;
+	void *analog_demod_priv;
+	struct dtv_frontend_properties dtv_property_cache;
+#define DVB_FRONTEND_COMPONENT_TUNER 0
+#define DVB_FRONTEND_COMPONENT_DEMOD 1
+	int (*callback)(void *adapter_priv, int component, int cmd, int arg);
+	int id;
+};
+
+extern int dvb_register_frontend(struct dvb_adapter *dvb,
+				 struct dvb_frontend *fe);
+
+extern int dvb_unregister_frontend(struct dvb_frontend *fe);
+
+extern void dvb_frontend_detach(struct dvb_frontend *fe);
+
+extern void dvb_frontend_reinitialise(struct dvb_frontend *fe);
+
+extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
+extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);
+
+#endif