master
  1/* $NetBSD: dtvio_frontend.h,v 1.3 2017/10/28 06:27:32 riastradh Exp $ */
  2
  3/*-
  4 * Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
  5 * All rights reserved.
  6 *
  7 * Redistribution and use in source and binary forms, with or without
  8 * modification, are permitted provided that the following conditions
  9 * are met:
 10 * 1. Redistributions of source code must retain the above copyright
 11 *    notice, this list of conditions and the following disclaimer.
 12 * 2. Redistributions in binary form must reproduce the above copyright
 13 *    notice, this list of conditions and the following disclaimer in the
 14 *    documentation and/or other materials provided with the distribution.
 15 * 3. All advertising materials mentioning features or use of this software
 16 *    must display the following acknowledgement:
 17 *        This product includes software developed by Jared D. McNeill.
 18 * 4. Neither the name of The NetBSD Foundation nor the names of its
 19 *    contributors may be used to endorse or promote products derived
 20 *    from this software without specific prior written permission.
 21 *
 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 25 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 32 * POSSIBILITY OF SUCH DAMAGE.
 33 */
 34
 35#ifndef _DEV_DTV_DTVIO_FRONTEND_H
 36#define _DEV_DTV_DTVIO_FRONTEND_H
 37
 38#include <sys/types.h>
 39#include <sys/ioccom.h>
 40
 41/*
 42 * DVB Frontend API
 43 */
 44
 45/* Frontend types */
 46typedef enum fe_type {
 47	FE_QPSK,	/* DVB-S */
 48	FE_QAM,		/* DVB-C annex A/C */
 49	FE_OFDM,	/* DVB-T */
 50	FE_ATSC,	/* ATSC or DVB-C annex B */
 51} fe_type_t;
 52
 53/* Frontend capabilities */
 54typedef enum fe_caps {
 55	FE_IS_STUPID			= 0,
 56	FE_CAN_INVERSION_AUTO		= 0x1,
 57	FE_CAN_FEC_1_2			= 0x2,
 58	FE_CAN_FEC_2_3			= 0x4,
 59	FE_CAN_FEC_3_4			= 0x8,
 60	FE_CAN_FEC_4_5			= 0x10,
 61	FE_CAN_FEC_5_6			= 0x20,
 62	FE_CAN_FEC_6_7			= 0x40,
 63	FE_CAN_FEC_7_8			= 0x80,
 64	FE_CAN_FEC_8_9			= 0x100,
 65	FE_CAN_FEC_AUTO			= 0x200,
 66	FE_CAN_QPSK			= 0x400,
 67	FE_CAN_QAM_16			= 0x800,
 68	FE_CAN_QAM_32			= 0x1000,
 69	FE_CAN_QAM_64			= 0x2000,
 70	FE_CAN_QAM_128			= 0x4000,
 71	FE_CAN_QAM_256			= 0x8000,
 72	FE_CAN_QAM_AUTO			= 0x10000,
 73	FE_CAN_TRANSMISSION_MODE_AUTO	= 0x20000,
 74	FE_CAN_BANDWIDTH_AUTO		= 0x40000,
 75	FE_CAN_GUARD_INTERVAL_AUTO	= 0x80000,
 76	FE_CAN_HIERARCHY_AUTO		= 0x100000,
 77	FE_CAN_8VSB			= 0x200000,
 78	FE_CAN_16VSB			= 0x400000,
 79	FE_HAS_EXTENDED_CAPS		= 0x800000,
 80	FE_CAN_TURBO_FEC		= 0x8000000,
 81	FE_CAN_2G_MODULATION		= 0x10000000,
 82	FE_NEEDS_BENDING		= 0x20000000,
 83	FE_CAN_RECOVER			= 0x40000000,
 84	FE_CAN_MUTE_TS			= 0x80000000,
 85} fe_caps_t;
 86
 87/* Frontend information */
 88struct dvb_frontend_info {
 89	char		name[128];
 90	fe_type_t	type;
 91	uint32_t	frequency_min;
 92	uint32_t	frequency_max;
 93	uint32_t	frequency_stepsize;
 94	uint32_t	frequency_tolerance;
 95	uint32_t	symbol_rate_min;
 96	uint32_t	symbol_rate_max;
 97	uint32_t	symbol_rate_tolerance;	/* ppm */
 98	uint32_t	notifier_delay;		/* ms */
 99	fe_caps_t	caps;
100};
101
102/* Frontend status */
103typedef enum fe_status {
104	FE_HAS_SIGNAL	= 0x01,	/* found something above the noise level */
105	FE_HAS_CARRIER	= 0x02,	/* found a DVB signal */
106	FE_HAS_VITERBI	= 0x04,	/* FEC is stable */
107	FE_HAS_SYNC	= 0x08,	/* found sync bytes */
108	FE_HAS_LOCK	= 0x10,	/* everything's working... */
109	FE_TIMEDOUT	= 0x20,	/* no lock within the last ~2 seconds */
110	FE_REINIT	= 0x40,	/* frontend was reinitialized */
111} fe_status_t;
112
113/* Frontend spectral inversion */
114typedef enum fe_spectral_inversion {
115	INVERSION_OFF,
116	INVERSION_ON,
117	INVERSION_AUTO,
118} fe_spectral_inversion_t;
119
120/* Frontend code rate */
121typedef enum fe_code_rate {
122	FEC_NONE = 0,
123	FEC_1_2,
124	FEC_2_3,
125	FEC_3_4,
126	FEC_4_5,
127	FEC_5_6,
128	FEC_6_7,
129	FEC_7_8,
130	FEC_8_9,
131	FEC_AUTO,
132	FEC_3_5,
133	FEC_9_10,
134} fe_code_rate_t;
135
136/* Frontend modulation type for QAM, OFDM, and VSB */
137typedef enum fe_modulation {
138	QPSK,
139	QAM_16,
140	QAM_32,
141	QAM_64,
142	QAM_128,
143	QAM_256,
144	QAM_AUTO,
145	VSB_8,
146	VSB_16,
147	PSK_8,
148	APSK_16,
149	APSK_32,
150	DQPSK,
151} fe_modulation_t;
152
153/* Number of carriers per channel */
154typedef enum fe_transmit_mode {
155	TRANSMISSION_MODE_2K,
156	TRANSMISSION_MODE_8K,
157	TRANSMISSION_MODE_AUTO,
158	TRANSMISSION_MODE_4K,
159	TRANSMISSION_MODE_1K,
160	TRANSMISSION_MODE_16K,
161	TRANSMISSION_MODE_32K,
162} fe_transmit_mode_t;
163
164/* Frontend bandwidth */
165typedef enum fe_bandwidth {
166	BANDWIDTH_8_MHZ,
167	BANDWIDTH_7_MHZ,
168	BANDWIDTH_6_MHZ,
169	BANDWIDTH_AUTO,
170	BANDWIDTH_5_MHZ,
171	BANDWIDTH_10_MHZ,
172	BANDWIDTH_1_172_MHZ,
173} fe_bandwidth_t;
174
175/* Frontend guard interval */
176typedef enum fe_guard_interval {
177	GUARD_INTERVAL_1_32,
178	GUARD_INTERVAL_1_16,
179	GUARD_INTERVAL_1_8,
180	GUARD_INTERVAL_1_4,
181	GUARD_INTERVAL_AUTO,
182	GUARD_INTERVAL_1_128,
183	GUARD_INTERVAL_19_128,
184	GUARD_INTERVAL_19_256,
185} fe_guard_interval_t;
186
187/* Frontend hierarchy */
188typedef enum fe_hierarchy {
189	HIERARCHY_NONE,
190	HIERARCHY_1,
191	HIERARCHY_2,
192	HIERARCHY_4,
193	HIERARCHY_AUTO
194} fe_hierarchy_t;
195
196/* QPSK parameters */
197struct dvb_qpsk_parameters {
198	uint32_t	symbol_rate;
199	fe_code_rate_t	fec_inner;
200};
201
202/* QAM parameters */
203struct dvb_qam_parameters {
204	uint32_t	symbol_rate;
205	fe_code_rate_t	fec_inner;
206	fe_modulation_t	modulation;
207};
208
209/* VSB parameters */
210struct dvb_vsb_parameters {
211	fe_modulation_t	modulation;
212};
213
214/* OFDM parameters */
215struct dvb_ofdm_parameters {
216	fe_bandwidth_t		bandwidth;
217	fe_code_rate_t		code_rate_HP;
218	fe_code_rate_t		code_rate_LP;
219	fe_modulation_t		constellation;
220	fe_transmit_mode_t	transmission_mode;
221	fe_guard_interval_t	guard_interval;
222	fe_hierarchy_t		hierarchy_information;
223};
224
225/* Frontend parameters */
226struct dvb_frontend_parameters {
227	uint32_t		frequency;
228	fe_spectral_inversion_t	inversion;
229	union {
230		struct dvb_qpsk_parameters	qpsk;
231		struct dvb_qam_parameters	qam;
232		struct dvb_ofdm_parameters	ofdm;
233		struct dvb_vsb_parameters	vsb;
234	} u;
235};
236
237/* Frontend events */
238struct dvb_frontend_event {
239	fe_status_t			status;
240	struct dvb_frontend_parameters	parameters;
241};
242
243/* DiSEqC master command */
244struct dvb_diseqc_master_cmd {
245	uint8_t		msg[6];
246	uint8_t		msg_len;
247};
248
249/* DiSEqC slave reply */
250struct dvb_diseqc_slave_reply {
251	uint8_t		msg[4];
252	uint8_t		msg_len;
253	int		timeout;
254};
255
256/* SEC voltage */
257typedef enum fe_sec_voltage {
258	SEC_VOLTAGE_13,
259	SEC_VOLTAGE_18,
260	SEC_VOLTAGE_OFF,
261} fe_sec_voltage_t;
262
263/* SEC continuous tone */
264typedef enum fe_sec_tone_mode {
265	SEC_TONE_ON,
266	SEC_TONE_OFF,
267} fe_sec_tone_mode_t;
268
269/* SEC tone burst */
270typedef enum fe_sec_mini_cmd {
271	SEC_MINI_A,
272	SEC_MINI_B,
273} fe_sec_mini_cmd_t;
274
275#define	FE_READ_STATUS		   _IOR('D', 0, fe_status_t)
276#define	FE_READ_BER		   _IOR('D', 1, uint32_t)
277#define	FE_READ_SNR		   _IOR('D', 2, uint16_t)
278#define	FE_READ_SIGNAL_STRENGTH	   _IOR('D', 3, uint16_t)
279#define	FE_READ_UNCORRECTED_BLOCKS _IOR('D', 4, uint32_t)
280#define	FE_SET_FRONTEND		   _IOWR('D', 5, struct dvb_frontend_parameters)
281#define	FE_GET_FRONTEND		   _IOR('D', 6, struct dvb_frontend_parameters)
282#define	FE_GET_EVENT		   _IOR('D', 7, struct dvb_frontend_event)
283#define	FE_GET_INFO		   _IOR('D', 8, struct dvb_frontend_info)
284#define	FE_DISEQC_RESET_OVERLOAD   _IO('D', 9)
285#define	FE_DISEQC_SEND_MASTER_CMD  _IOW('D', 10, struct dvb_diseqc_master_cmd)
286#define	FE_DISEQC_RECV_SLAVE_REPLY _IOR('D', 11, struct dvb_diseqc_slave_reply)
287#define	FE_DISEQC_SEND_BURST	   _IOW('D', 12, fe_sec_mini_cmd_t)
288#define	FE_SET_TONE		   _IOW('D', 13, fe_sec_tone_mode_t)
289#define	FE_SET_VOLTAGE		   _IOW('D', 14, fe_sec_voltage_t)
290#define	FE_ENABLE_HIGH_LNB_VOLTAGE _IOW('D', 15, int)
291#define	FE_SET_FRONTEND_TUNE_MODE  _IOW('D', 16, unsigned int)
292#define	FE_DISHNETWORK_SEND_LEGACY_CMD _IOW('D', 17, unsigned long)
293
294#endif /* !_DEV_DTV_DTVIO_FRONTEND_H */