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); 140