linux/drivers/media/pci/cx18/cx18-cards.h
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   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