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

   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
  20 /* hardware flags */
  21 #define CX18_HW_TUNER                   (1 << 0)
  22 #define CX18_HW_TVEEPROM                (1 << 1)
  23 #define CX18_HW_CS5345                  (1 << 2)
  24 #define CX18_HW_DVB                     (1 << 3)
  25 #define CX18_HW_418_AV                  (1 << 4)
  26 #define CX18_HW_GPIO_MUX                (1 << 5)
  27 #define CX18_HW_GPIO_RESET_CTRL         (1 << 6)
  28 #define CX18_HW_Z8F0811_IR_HAUP         (1 << 7)
  29
  30 /* video inputs */
  31 #define CX18_CARD_INPUT_VID_TUNER       1
  32 #define CX18_CARD_INPUT_SVIDEO1         2
  33 #define CX18_CARD_INPUT_SVIDEO2         3
  34 #define CX18_CARD_INPUT_COMPOSITE1      4
  35 #define CX18_CARD_INPUT_COMPOSITE2      5
  36 #define CX18_CARD_INPUT_COMPONENT1      6
  37
  38 /* audio inputs */
  39 #define CX18_CARD_INPUT_AUD_TUNER       1
  40 #define CX18_CARD_INPUT_LINE_IN1        2
  41 #define CX18_CARD_INPUT_LINE_IN2        3
  42
  43 #define CX18_CARD_MAX_VIDEO_INPUTS 6
  44 #define CX18_CARD_MAX_AUDIO_INPUTS 3
  45 #define CX18_CARD_MAX_TUNERS       2
  46
  47 /* V4L2 capability aliases */
  48 #define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \
  49                           V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \
  50                           V4L2_CAP_STREAMING | V4L2_CAP_VBI_CAPTURE | \
  51                           V4L2_CAP_SLICED_VBI_CAPTURE)
  52
  53 struct cx18_card_video_input {
  54         u8  video_type;         /* video input type */
  55         u8  audio_index;        /* index in cx18_card_audio_input array */
  56         u32 video_input;        /* hardware video input */
  57 };
  58
  59 struct cx18_card_audio_input {
  60         u8  audio_type;         /* audio input type */
  61         u32 audio_input;        /* hardware audio input */
  62         u16 muxer_input;        /* hardware muxer input for boards with a
  63                                    multiplexer chip */
  64 };
  65
  66 struct cx18_card_pci_info {
  67         u16 device;
  68         u16 subsystem_vendor;
  69         u16 subsystem_device;
  70 };
  71
  72 /* GPIO definitions */
  73
  74 /* The mask is the set of bits used by the operation */
  75
  76 struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */
  77         u32 direction;  /* DIR setting. Leave to 0 if no init is needed */
  78         u32 initial_value;
  79 };
  80
  81 struct cx18_gpio_i2c_slave_reset {
  82         u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */
  83         u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */
  84         int msecs_asserted; /* time period reset must remain asserted */
  85         int msecs_recovery; /* time after deassert for chips to be ready */
  86         u32 ir_reset_mask;  /* GPIO to reset the Zilog Z8F0811 IR contoller */
  87 };
  88
  89 struct cx18_gpio_audio_input {  /* select tuner/line in input */
  90         u32 mask;               /* leave to 0 if not supported */
  91         u32 tuner;
  92         u32 linein;
  93         u32 radio;
  94 };
  95
  96 struct cx18_card_tuner {
  97         v4l2_std_id std;        /* standard for which the tuner is suitable */
  98         int         tuner;      /* tuner ID (from tuner.h) */
  99 };
 100
 101 struct cx18_card_tuner_i2c {
 102         unsigned short radio[2];/* radio tuner i2c address to probe */
 103         unsigned short demod[3];/* demodulator i2c address to probe */
 104         unsigned short tv[4];   /* tv tuner i2c addresses to probe */
 105 };
 106
 107 struct cx18_ddr {               /* DDR config data */
 108         u32 chip_config;
 109         u32 refresh;
 110         u32 timing1;
 111         u32 timing2;
 112         u32 tune_lane;
 113         u32 initial_emrs;
 114 };
 115
 116 /* for card information/parameters */
 117 struct cx18_card {
 118         int type;
 119         char *name;
 120         char *comment;
 121         u32 v4l2_capabilities;
 122         u32 hw_audio_ctrl;      /* hardware used for the V4L2 controls (only
 123                                    1 dev allowed currently) */
 124         u32 hw_muxer;           /* hardware used to multiplex audio input */
 125         u32 hw_all;             /* all hardware used by the board */
 126         struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS];
 127         struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS];
 128         struct cx18_card_audio_input radio_input;
 129
 130         /* GPIO card-specific settings */
 131         u8 xceive_pin;          /* XCeive tuner GPIO reset pin */
 132         struct cx18_gpio_init            gpio_init;
 133         struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset;
 134         struct cx18_gpio_audio_input    gpio_audio_input;
 135
 136         struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
 137         struct cx18_card_tuner_i2c *i2c;
 138
 139         struct cx18_ddr ddr;
 140
 141         /* list of device and subsystem vendor/devices that
 142            correspond to this card type. */
 143         const struct cx18_card_pci_info *pci_list;
 144 };
 145
 146 int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input);
 147 int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input);
 148 const struct cx18_card *cx18_get_card(u16 index);