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); 149