drivers/media/video/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  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 /* hardware flags */
  24 #define CX18_HW_TUNER     (1 << 0)
  25 #define CX18_HW_TVEEPROM  (1 << 1)
  26 #define CX18_HW_CS5345    (1 << 2)
  27 #define CX18_HW_GPIO      (1 << 3)
  28 #define CX18_HW_CX23418   (1 << 4)
  29 #define CX18_HW_DVB       (1 << 5)
  30
  31 /* video inputs */
  32 #define CX18_CARD_INPUT_VID_TUNER       1
  33 #define CX18_CARD_INPUT_SVIDEO1         2
  34 #define CX18_CARD_INPUT_SVIDEO2         3
  35 #define CX18_CARD_INPUT_COMPOSITE1      4
  36 #define CX18_CARD_INPUT_COMPOSITE2      5
  37 #define CX18_CARD_INPUT_COMPOSITE3      6
  38
  39 /* audio inputs */
  40 #define CX18_CARD_INPUT_AUD_TUNER       1
  41 #define CX18_CARD_INPUT_LINE_IN1        2
  42 #define CX18_CARD_INPUT_LINE_IN2        3
  43
  44 #define CX18_CARD_MAX_VIDEO_INPUTS 6
  45 #define CX18_CARD_MAX_AUDIO_INPUTS 3
  46 #define CX18_CARD_MAX_TUNERS       2
  47
  48 /* V4L2 capability aliases */
  49 #define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \
  50                           V4L2_CAP_AUDIO | V4L2_CAP_READWRITE)
  51 /* | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE) not yet */
  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         u16 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_card_tuner {
  82         v4l2_std_id std;        /* standard for which the tuner is suitable */
  83         int         tuner;      /* tuner ID (from tuner.h) */
  84 };
  85
  86 struct cx18_card_tuner_i2c {
  87         unsigned short radio[2];/* radio tuner i2c address to probe */
  88         unsigned short demod[2];/* demodulator i2c address to probe */
  89         unsigned short tv[4];   /* tv tuner i2c addresses to probe */
  90 };
  91
  92 struct cx18_ddr {               /* DDR config data */
  93         u32 chip_config;
  94         u32 refresh;
  95         u32 timing1;
  96         u32 timing2;
  97         u32 tune_lane;
  98         u32 initial_emrs;
  99 };
 100
 101 /* for card information/parameters */
 102 struct cx18_card {
 103         int type;
 104         char *name;
 105         char *comment;
 106         u32 v4l2_capabilities;
 107         u32 hw_audio_ctrl;      /* hardware used for the V4L2 controls (only
 108                                    1 dev allowed) */
 109         u32 hw_muxer;           /* hardware used to multiplex audio input */
 110         u32 hw_all;             /* all hardware used by the board */
 111         struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS];
 112         struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS];
 113         struct cx18_card_audio_input radio_input;
 114
 115         /* GPIO card-specific settings */
 116         u8 xceive_pin;          /* XCeive tuner GPIO reset pin */
 117         struct cx18_gpio_init           gpio_init;
 118
 119         struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
 120         struct cx18_card_tuner_i2c *i2c;
 121
 122         struct cx18_ddr ddr;
 123
 124         /* list of device and subsystem vendor/devices that
 125            correspond to this card type. */
 126         const struct cx18_card_pci_info *pci_list;
 127 };
 128
 129 int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input);
 130 int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input);
 131 const struct cx18_card *cx18_get_card(u16 index);