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@radix.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 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24 /* hardware flags */ 25 #define CX18_HW_TUNER (1 << 0) 26 #define CX18_HW_TVEEPROM (1 << 1) 27 #define CX18_HW_CS5345 (1 << 2) 28 #define CX18_HW_GPIO (1 << 3) 29 #define CX18_HW_CX23418 (1 << 4) 30 #define CX18_HW_DVB (1 << 5) 31 32 /* video inputs */ 33 #define CX18_CARD_INPUT_VID_TUNER 1 34 #define CX18_CARD_INPUT_SVIDEO1 2 35 #define CX18_CARD_INPUT_SVIDEO2 3 36 #define CX18_CARD_INPUT_COMPOSITE1 4 37 #define CX18_CARD_INPUT_COMPOSITE2 5 38 #define CX18_CARD_INPUT_COMPOSITE3 6 39 40 /* audio inputs */ 41 #define CX18_CARD_INPUT_AUD_TUNER 1 42 #define CX18_CARD_INPUT_LINE_IN1 2 43 #define CX18_CARD_INPUT_LINE_IN2 3 44 45 #define CX18_CARD_MAX_VIDEO_INPUTS 6 46 #define CX18_CARD_MAX_AUDIO_INPUTS 3 47 #define CX18_CARD_MAX_TUNERS 2 48 49 /* V4L2 capability aliases */ 50 #define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \ 51 V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \ 52 V4L2_CAP_VBI_CAPTURE) 53 /* | V4L2_CAP_SLICED_VBI_CAPTURE) not yet */ 54 55 struct cx18_card_video_input { 56 u8 video_type; /* video input type */ 57 u8 audio_index; /* index in cx18_card_audio_input array */ 58 u16 video_input; /* hardware video input */ 59 }; 60 61 struct cx18_card_audio_input { 62 u8 audio_type; /* audio input type */ 63 u32 audio_input; /* hardware audio input */ 64 u16 muxer_input; /* hardware muxer input for boards with a 65 multiplexer chip */ 66 }; 67 68 struct cx18_card_pci_info { 69 u16 device; 70 u16 subsystem_vendor; 71 u16 subsystem_device; 72 }; 73 74 /* GPIO definitions */ 75 76 /* The mask is the set of bits used by the operation */ 77 78 struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */ 79 u32 direction; /* DIR setting. Leave to 0 if no init is needed */ 80 u32 initial_value; 81 }; 82 83 struct cx18_gpio_i2c_slave_reset { 84 u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */ 85 u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */ 86 int msecs_asserted; /* time period reset must remain asserted */ 87 int msecs_recovery; /* time after deassert for chips to be ready */ 88 u32 ir_reset_mask; /* GPIO to reset the Zilog Z8F0811 IR contoller */ 89 }; 90 91 struct cx18_gpio_audio_input { /* select tuner/line in input */ 92 u32 mask; /* leave to 0 if not supported */ 93 u32 tuner; 94 u32 linein; 95 u32 radio; 96 }; 97 98 struct cx18_card_tuner { 99 v4l2_std_id std; /* standard for which the tuner is suitable */ 100 int tuner; /* tuner ID (from tuner.h) */ 101 }; 102 103 struct cx18_card_tuner_i2c { 104 unsigned short radio[2];/* radio tuner i2c address to probe */ 105 unsigned short demod[2];/* demodulator i2c address to probe */ 106 unsigned short tv[4]; /* tv tuner i2c addresses to probe */ 107 }; 108 109 struct cx18_ddr { /* DDR config data */ 110 u32 chip_config; 111 u32 refresh; 112 u32 timing1; 113 u32 timing2; 114 u32 tune_lane; 115 u32 initial_emrs; 116 }; 117 118 /* for card information/parameters */ 119 struct cx18_card { 120 int type; 121 char *name; 122 char *comment; 123 u32 v4l2_capabilities; 124 u32 hw_audio_ctrl; /* hardware used for the V4L2 controls (only 125 1 dev allowed) */ 126 u32 hw_muxer; /* hardware used to multiplex audio input */ 127 u32 hw_all; /* all hardware used by the board */ 128 struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS]; 129 struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS]; 130 struct cx18_card_audio_input radio_input; 131 132 /* GPIO card-specific settings */ 133 u8 xceive_pin; /* XCeive tuner GPIO reset pin */ 134 struct cx18_gpio_init gpio_init; 135 struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset; 136 struct cx18_gpio_audio_input gpio_audio_input; 137 138 struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS]; 139 struct cx18_card_tuner_i2c *i2c; 140 141 struct cx18_ddr ddr; 142 143 /* list of device and subsystem vendor/devices that 144 correspond to this card type. */ 145 const struct cx18_card_pci_info *pci_list; 146 }; 147 148 int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input); 149 int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input); 150 const struct cx18_card *cx18_get_card(u16 index); 151