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

   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);