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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@md.metrocast.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_COMPONENT1 	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_STREAMING | V4L2_CAP_VBI_CAPTURE | \
61 			  V4L2_CAP_SLICED_VBI_CAPTURE)
62 
63 struct cx18_card_video_input {
64 	u8  video_type; 	/* video input type */
65 	u8  audio_index;	/* index in cx18_card_audio_input array */
66 	u32 video_input;	/* hardware video input */
67 };
68 
69 struct cx18_card_audio_input {
70 	u8  audio_type;		/* audio input type */
71 	u32 audio_input;	/* hardware audio input */
72 	u16 muxer_input;	/* hardware muxer input for boards with a
73 				   multiplexer chip */
74 };
75 
76 struct cx18_card_pci_info {
77 	u16 device;
78 	u16 subsystem_vendor;
79 	u16 subsystem_device;
80 };
81 
82 /* GPIO definitions */
83 
84 /* The mask is the set of bits used by the operation */
85 
86 struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */
87 	u32 direction; 	/* DIR setting. Leave to 0 if no init is needed */
88 	u32 initial_value;
89 };
90 
91 struct cx18_gpio_i2c_slave_reset {
92 	u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */
93 	u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */
94 	int msecs_asserted; /* time period reset must remain asserted */
95 	int msecs_recovery; /* time after deassert for chips to be ready */
96 	u32 ir_reset_mask;  /* GPIO to reset the Zilog Z8F0811 IR contoller */
97 };
98 
99 struct cx18_gpio_audio_input { 	/* select tuner/line in input */
100 	u32 mask; 		/* leave to 0 if not supported */
101 	u32 tuner;
102 	u32 linein;
103 	u32 radio;
104 };
105 
106 struct cx18_card_tuner {
107 	v4l2_std_id std; 	/* standard for which the tuner is suitable */
108 	int 	    tuner; 	/* tuner ID (from tuner.h) */
109 };
110 
111 struct cx18_card_tuner_i2c {
112 	unsigned short radio[2];/* radio tuner i2c address to probe */
113 	unsigned short demod[3];/* demodulator i2c address to probe */
114 	unsigned short tv[4];	/* tv tuner i2c addresses to probe */
115 };
116 
117 struct cx18_ddr {		/* DDR config data */
118 	u32 chip_config;
119 	u32 refresh;
120 	u32 timing1;
121 	u32 timing2;
122 	u32 tune_lane;
123 	u32 initial_emrs;
124 };
125 
126 /* for card information/parameters */
127 struct cx18_card {
128 	int type;
129 	char *name;
130 	char *comment;
131 	u32 v4l2_capabilities;
132 	u32 hw_audio_ctrl;	/* hardware used for the V4L2 controls (only
133 				   1 dev allowed currently) */
134 	u32 hw_muxer;		/* hardware used to multiplex audio input */
135 	u32 hw_all;		/* all hardware used by the board */
136 	struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS];
137 	struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS];
138 	struct cx18_card_audio_input radio_input;
139 
140 	/* GPIO card-specific settings */
141 	u8 xceive_pin; 		/* XCeive tuner GPIO reset pin */
142 	struct cx18_gpio_init 		 gpio_init;
143 	struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset;
144 	struct cx18_gpio_audio_input    gpio_audio_input;
145 
146 	struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
147 	struct cx18_card_tuner_i2c *i2c;
148 
149 	struct cx18_ddr ddr;
150 
151 	/* list of device and subsystem vendor/devices that
152 	   correspond to this card type. */
153 	const struct cx18_card_pci_info *pci_list;
154 };
155 
156 int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input);
157 int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input);
158 const struct cx18_card *cx18_get_card(u16 index);
159