1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  cx18 functions to query card hardware
4  *
5  *  Derived from ivtv-cards.c
6  *
7  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
8  *  Copyright (C) 2008  Andy Walls <awalls@md.metrocast.net>
9  */
10 
11 /* hardware flags */
12 #define CX18_HW_TUNER			(1 << 0)
13 #define CX18_HW_TVEEPROM		(1 << 1)
14 #define CX18_HW_CS5345			(1 << 2)
15 #define CX18_HW_DVB			(1 << 3)
16 #define CX18_HW_418_AV			(1 << 4)
17 #define CX18_HW_GPIO_MUX		(1 << 5)
18 #define CX18_HW_GPIO_RESET_CTRL		(1 << 6)
19 #define CX18_HW_Z8F0811_IR_HAUP		(1 << 7)
20 
21 /* video inputs */
22 #define	CX18_CARD_INPUT_VID_TUNER	1
23 #define	CX18_CARD_INPUT_SVIDEO1		2
24 #define	CX18_CARD_INPUT_SVIDEO2		3
25 #define	CX18_CARD_INPUT_COMPOSITE1	4
26 #define	CX18_CARD_INPUT_COMPOSITE2	5
27 #define	CX18_CARD_INPUT_COMPONENT1	6
28 
29 /* audio inputs */
30 #define	CX18_CARD_INPUT_AUD_TUNER	1
31 #define	CX18_CARD_INPUT_LINE_IN1	2
32 #define	CX18_CARD_INPUT_LINE_IN2	3
33 
34 #define CX18_CARD_MAX_VIDEO_INPUTS 6
35 #define CX18_CARD_MAX_AUDIO_INPUTS 3
36 #define CX18_CARD_MAX_TUNERS	   2
37 
38 /* V4L2 capability aliases */
39 #define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \
40 			  V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \
41 			  V4L2_CAP_STREAMING | V4L2_CAP_VBI_CAPTURE | \
42 			  V4L2_CAP_SLICED_VBI_CAPTURE)
43 
44 struct cx18_card_video_input {
45 	u8  video_type;		/* video input type */
46 	u8  audio_index;	/* index in cx18_card_audio_input array */
47 	u32 video_input;	/* hardware video input */
48 };
49 
50 struct cx18_card_audio_input {
51 	u8  audio_type;		/* audio input type */
52 	u32 audio_input;	/* hardware audio input */
53 	u16 muxer_input;	/* hardware muxer input for boards with a
54 				   multiplexer chip */
55 };
56 
57 struct cx18_card_pci_info {
58 	u16 device;
59 	u16 subsystem_vendor;
60 	u16 subsystem_device;
61 };
62 
63 /* GPIO definitions */
64 
65 /* The mask is the set of bits used by the operation */
66 
67 struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */
68 	u32 direction;	/* DIR setting. Leave to 0 if no init is needed */
69 	u32 initial_value;
70 };
71 
72 struct cx18_gpio_i2c_slave_reset {
73 	u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */
74 	u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */
75 	int msecs_asserted; /* time period reset must remain asserted */
76 	int msecs_recovery; /* time after deassert for chips to be ready */
77 	u32 ir_reset_mask;  /* GPIO to reset the Zilog Z8F0811 IR controller */
78 };
79 
80 struct cx18_gpio_audio_input {	/* select tuner/line in input */
81 	u32 mask;		/* leave to 0 if not supported */
82 	u32 tuner;
83 	u32 linein;
84 	u32 radio;
85 };
86 
87 struct cx18_card_tuner {
88 	v4l2_std_id std;	/* standard for which the tuner is suitable */
89 	int	    tuner;	/* tuner ID (from tuner.h) */
90 };
91 
92 struct cx18_card_tuner_i2c {
93 	unsigned short radio[2];/* radio tuner i2c address to probe */
94 	unsigned short demod[3];/* demodulator i2c address to probe */
95 	unsigned short tv[4];	/* tv tuner i2c addresses to probe */
96 };
97 
98 struct cx18_ddr {		/* DDR config data */
99 	u32 chip_config;
100 	u32 refresh;
101 	u32 timing1;
102 	u32 timing2;
103 	u32 tune_lane;
104 	u32 initial_emrs;
105 };
106 
107 /* for card information/parameters */
108 struct cx18_card {
109 	int type;
110 	char *name;
111 	char *comment;
112 	u32 v4l2_capabilities;
113 	u32 hw_audio_ctrl;	/* hardware used for the V4L2 controls (only
114 				   1 dev allowed currently) */
115 	u32 hw_muxer;		/* hardware used to multiplex audio input */
116 	u32 hw_all;		/* all hardware used by the board */
117 	struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS];
118 	struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS];
119 	struct cx18_card_audio_input radio_input;
120 
121 	/* GPIO card-specific settings */
122 	u8 xceive_pin;		/* XCeive tuner GPIO reset pin */
123 	struct cx18_gpio_init		 gpio_init;
124 	struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset;
125 	struct cx18_gpio_audio_input    gpio_audio_input;
126 
127 	struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
128 	struct cx18_card_tuner_i2c *i2c;
129 
130 	struct cx18_ddr ddr;
131 
132 	/* list of device and subsystem vendor/devices that
133 	   correspond to this card type. */
134 	const struct cx18_card_pci_info *pci_list;
135 };
136 
137 int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input);
138 int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input);
139 const struct cx18_card *cx18_get_card(u16 index);
140