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_TX_HAUP (1 << 7) 29 #define CX18_HW_Z8F0811_IR_RX_HAUP (1 << 8) 30 #define CX18_HW_Z8F0811_IR_HAUP (CX18_HW_Z8F0811_IR_RX_HAUP | \ 31 CX18_HW_Z8F0811_IR_TX_HAUP) 32 33 #define CX18_HW_IR_ANY (CX18_HW_Z8F0811_IR_RX_HAUP | \ 34 CX18_HW_Z8F0811_IR_TX_HAUP) 35 36 /* video inputs */ 37 #define CX18_CARD_INPUT_VID_TUNER 1 38 #define CX18_CARD_INPUT_SVIDEO1 2 39 #define CX18_CARD_INPUT_SVIDEO2 3 40 #define CX18_CARD_INPUT_COMPOSITE1 4 41 #define CX18_CARD_INPUT_COMPOSITE2 5 42 #define CX18_CARD_INPUT_COMPONENT1 6 43 44 /* audio inputs */ 45 #define CX18_CARD_INPUT_AUD_TUNER 1 46 #define CX18_CARD_INPUT_LINE_IN1 2 47 #define CX18_CARD_INPUT_LINE_IN2 3 48 49 #define CX18_CARD_MAX_VIDEO_INPUTS 6 50 #define CX18_CARD_MAX_AUDIO_INPUTS 3 51 #define CX18_CARD_MAX_TUNERS 2 52 53 /* V4L2 capability aliases */ 54 #define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \ 55 V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \ 56 V4L2_CAP_STREAMING | V4L2_CAP_VBI_CAPTURE | \ 57 V4L2_CAP_SLICED_VBI_CAPTURE) 58 59 struct cx18_card_video_input { 60 u8 video_type; /* video input type */ 61 u8 audio_index; /* index in cx18_card_audio_input array */ 62 u32 video_input; /* hardware video input */ 63 }; 64 65 struct cx18_card_audio_input { 66 u8 audio_type; /* audio input type */ 67 u32 audio_input; /* hardware audio input */ 68 u16 muxer_input; /* hardware muxer input for boards with a 69 multiplexer chip */ 70 }; 71 72 struct cx18_card_pci_info { 73 u16 device; 74 u16 subsystem_vendor; 75 u16 subsystem_device; 76 }; 77 78 /* GPIO definitions */ 79 80 /* The mask is the set of bits used by the operation */ 81 82 struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */ 83 u32 direction; /* DIR setting. Leave to 0 if no init is needed */ 84 u32 initial_value; 85 }; 86 87 struct cx18_gpio_i2c_slave_reset { 88 u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */ 89 u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */ 90 int msecs_asserted; /* time period reset must remain asserted */ 91 int msecs_recovery; /* time after deassert for chips to be ready */ 92 u32 ir_reset_mask; /* GPIO to reset the Zilog Z8F0811 IR contoller */ 93 }; 94 95 struct cx18_gpio_audio_input { /* select tuner/line in input */ 96 u32 mask; /* leave to 0 if not supported */ 97 u32 tuner; 98 u32 linein; 99 u32 radio; 100 }; 101 102 struct cx18_card_tuner { 103 v4l2_std_id std; /* standard for which the tuner is suitable */ 104 int tuner; /* tuner ID (from tuner.h) */ 105 }; 106 107 struct cx18_card_tuner_i2c { 108 unsigned short radio[2];/* radio tuner i2c address to probe */ 109 unsigned short demod[3];/* demodulator i2c address to probe */ 110 unsigned short tv[4]; /* tv tuner i2c addresses to probe */ 111 }; 112 113 struct cx18_ddr { /* DDR config data */ 114 u32 chip_config; 115 u32 refresh; 116 u32 timing1; 117 u32 timing2; 118 u32 tune_lane; 119 u32 initial_emrs; 120 }; 121 122 /* for card information/parameters */ 123 struct cx18_card { 124 int type; 125 char *name; 126 char *comment; 127 u32 v4l2_capabilities; 128 u32 hw_audio_ctrl; /* hardware used for the V4L2 controls (only 129 1 dev allowed currently) */ 130 u32 hw_muxer; /* hardware used to multiplex audio input */ 131 u32 hw_all; /* all hardware used by the board */ 132 struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS]; 133 struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS]; 134 struct cx18_card_audio_input radio_input; 135 136 /* GPIO card-specific settings */ 137 u8 xceive_pin; /* XCeive tuner GPIO reset pin */ 138 struct cx18_gpio_init gpio_init; 139 struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset; 140 struct cx18_gpio_audio_input gpio_audio_input; 141 142 struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS]; 143 struct cx18_card_tuner_i2c *i2c; 144 145 struct cx18_ddr ddr; 146 147 /* list of device and subsystem vendor/devices that 148 correspond to this card type. */ 149 const struct cx18_card_pci_info *pci_list; 150 }; 151 152 int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input); 153 int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input); 154 const struct cx18_card *cx18_get_card(u16 index); 155