/drivers/media/video/cx18/cx18-cards.h

  1/*
  2 *  cx18 functions to query card hardware
  3 *
  4 *  Derived from ivtv-cards.c
  5 *
  6 *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
  7 *  Copyright (C) 2008  Andy Walls <awalls@radix.net>
  8 *
  9 *  This program is free software; you can redistribute it and/or modify
 10 *  it under the terms of the GNU General Public License as published by
 11 *  the Free Software Foundation; either version 2 of the License, or
 12 *  (at your option) any later version.
 13 *
 14 *  This program is distributed in the hope that it will be useful,
 15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17 *  GNU General Public License for more details.
 18 *
 19 *  You should have received a copy of the GNU General Public License
 20 *  along with this program; if not, write to the Free Software
 21 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 22 */
 23
 24/* hardware flags */
 25#define CX18_HW_TUNER			(1 << 0)
 26#define CX18_HW_TVEEPROM		(1 << 1)
 27#define CX18_HW_CS5345			(1 << 2)
 28#define CX18_HW_DVB			(1 << 3)
 29#define CX18_HW_418_AV			(1 << 4)
 30#define CX18_HW_GPIO_MUX		(1 << 5)
 31#define CX18_HW_GPIO_RESET_CTRL		(1 << 6)
 32#define CX18_HW_Z8F0811_IR_TX_HAUP	(1 << 7)
 33#define CX18_HW_Z8F0811_IR_RX_HAUP	(1 << 8)
 34#define CX18_HW_Z8F0811_IR_HAUP	(CX18_HW_Z8F0811_IR_RX_HAUP | \
 35				 CX18_HW_Z8F0811_IR_TX_HAUP)
 36
 37#define CX18_HW_IR_ANY (CX18_HW_Z8F0811_IR_RX_HAUP | \
 38			CX18_HW_Z8F0811_IR_TX_HAUP)
 39
 40/* video inputs */
 41#define	CX18_CARD_INPUT_VID_TUNER	1
 42#define	CX18_CARD_INPUT_SVIDEO1 	2
 43#define	CX18_CARD_INPUT_SVIDEO2 	3
 44#define	CX18_CARD_INPUT_COMPOSITE1 	4
 45#define	CX18_CARD_INPUT_COMPOSITE2 	5
 46#define	CX18_CARD_INPUT_COMPOSITE3 	6
 47
 48/* audio inputs */
 49#define	CX18_CARD_INPUT_AUD_TUNER	1
 50#define	CX18_CARD_INPUT_LINE_IN1 	2
 51#define	CX18_CARD_INPUT_LINE_IN2 	3
 52
 53#define CX18_CARD_MAX_VIDEO_INPUTS 6
 54#define CX18_CARD_MAX_AUDIO_INPUTS 3
 55#define CX18_CARD_MAX_TUNERS  	   2
 56
 57/* V4L2 capability aliases */
 58#define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \
 59			  V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \
 60			  V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE)
 61
 62struct cx18_card_video_input {
 63	u8  video_type; 	/* video input type */
 64	u8  audio_index;	/* index in cx18_card_audio_input array */
 65	u16 video_input;	/* hardware video input */
 66};
 67
 68struct cx18_card_audio_input {
 69	u8  audio_type;		/* audio input type */
 70	u32 audio_input;	/* hardware audio input */
 71	u16 muxer_input;	/* hardware muxer input for boards with a
 72				   multiplexer chip */
 73};
 74
 75struct cx18_card_pci_info {
 76	u16 device;
 77	u16 subsystem_vendor;
 78	u16 subsystem_device;
 79};
 80
 81/* GPIO definitions */
 82
 83/* The mask is the set of bits used by the operation */
 84
 85struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */
 86	u32 direction; 	/* DIR setting. Leave to 0 if no init is needed */
 87	u32 initial_value;
 88};
 89
 90struct cx18_gpio_i2c_slave_reset {
 91	u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */
 92	u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */
 93	int msecs_asserted; /* time period reset must remain asserted */
 94	int msecs_recovery; /* time after deassert for chips to be ready */
 95	u32 ir_reset_mask;  /* GPIO to reset the Zilog Z8F0811 IR contoller */
 96};
 97
 98struct cx18_gpio_audio_input { 	/* select tuner/line in input */
 99	u32 mask; 		/* leave to 0 if not supported */
100	u32 tuner;
101	u32 linein;
102	u32 radio;
103};
104
105struct cx18_card_tuner {
106	v4l2_std_id std; 	/* standard for which the tuner is suitable */
107	int 	    tuner; 	/* tuner ID (from tuner.h) */
108};
109
110struct cx18_card_tuner_i2c {
111	unsigned short radio[2];/* radio tuner i2c address to probe */
112	unsigned short demod[2];/* demodulator i2c address to probe */
113	unsigned short tv[4];	/* tv tuner i2c addresses to probe */
114};
115
116struct cx18_ddr {		/* DDR config data */
117	u32 chip_config;
118	u32 refresh;
119	u32 timing1;
120	u32 timing2;
121	u32 tune_lane;
122	u32 initial_emrs;
123};
124
125/* for card information/parameters */
126struct cx18_card {
127	int type;
128	char *name;
129	char *comment;
130	u32 v4l2_capabilities;
131	u32 hw_audio_ctrl;	/* hardware used for the V4L2 controls (only
132				   1 dev allowed currently) */
133	u32 hw_muxer;		/* hardware used to multiplex audio input */
134	u32 hw_all;		/* all hardware used by the board */
135	struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS];
136	struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS];
137	struct cx18_card_audio_input radio_input;
138
139	/* GPIO card-specific settings */
140	u8 xceive_pin; 		/* XCeive tuner GPIO reset pin */
141	struct cx18_gpio_init 		 gpio_init;
142	struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset;
143	struct cx18_gpio_audio_input    gpio_audio_input;
144
145	struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
146	struct cx18_card_tuner_i2c *i2c;
147
148	struct cx18_ddr ddr;
149
150	/* list of device and subsystem vendor/devices that
151	   correspond to this card type. */
152	const struct cx18_card_pci_info *pci_list;
153};
154
155int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input);
156int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input);
157const struct cx18_card *cx18_get_card(u16 index);