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
44struct 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
50struct 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
57struct 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
67struct 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
72struct 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
80struct 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
87struct 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
92struct 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
98struct 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 */
108struct 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
137int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input);
138int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input);
139const struct cx18_card *cx18_get_card(u16 index);
140

source code of linux/drivers/media/pci/cx18/cx18-cards.h