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 * 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_DVB (1 << 3) 29#define CX18_HW_418_AV (1 << 4) 30#define CX18_HW_GPIO_MUX (1 << 5) 31#define CX18_HW_GPIO_RESET_CTRL (1 << 6) 32#define CX18_HW_Z8F0811_IR_TX_HAUP (1 << 7) 33#define CX18_HW_Z8F0811_IR_RX_HAUP (1 << 8) 34#define CX18_HW_Z8F0811_IR_HAUP (CX18_HW_Z8F0811_IR_RX_HAUP | \ 35 CX18_HW_Z8F0811_IR_TX_HAUP) 36 37#define CX18_HW_IR_ANY (CX18_HW_Z8F0811_IR_RX_HAUP | \ 38 CX18_HW_Z8F0811_IR_TX_HAUP) 39 40/* video inputs */ 41#define CX18_CARD_INPUT_VID_TUNER 1 42#define CX18_CARD_INPUT_SVIDEO1 2 43#define CX18_CARD_INPUT_SVIDEO2 3 44#define CX18_CARD_INPUT_COMPOSITE1 4 45#define CX18_CARD_INPUT_COMPOSITE2 5 46#define CX18_CARD_INPUT_COMPONENT1 6 47 48/* audio inputs */ 49#define CX18_CARD_INPUT_AUD_TUNER 1 50#define CX18_CARD_INPUT_LINE_IN1 2 51#define CX18_CARD_INPUT_LINE_IN2 3 52 53#define CX18_CARD_MAX_VIDEO_INPUTS 6 54#define CX18_CARD_MAX_AUDIO_INPUTS 3 55#define CX18_CARD_MAX_TUNERS 2 56 57/* V4L2 capability aliases */ 58#define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \ 59 V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \ 60 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE) 61 62struct cx18_card_video_input { 63 u8 video_type; /* video input type */ 64 u8 audio_index; /* index in cx18_card_audio_input array */ 65 u32 video_input; /* hardware video input */ 66}; 67 68struct cx18_card_audio_input { 69 u8 audio_type; /* audio input type */ 70 u32 audio_input; /* hardware audio input */ 71 u16 muxer_input; /* hardware muxer input for boards with a 72 multiplexer chip */ 73}; 74 75struct cx18_card_pci_info { 76 u16 device; 77 u16 subsystem_vendor; 78 u16 subsystem_device; 79}; 80 81/* GPIO definitions */ 82 83/* The mask is the set of bits used by the operation */ 84 85struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */ 86 u32 direction; /* DIR setting. Leave to 0 if no init is needed */ 87 u32 initial_value; 88}; 89 90struct cx18_gpio_i2c_slave_reset { 91 u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */ 92 u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */ 93 int msecs_asserted; /* time period reset must remain asserted */ 94 int msecs_recovery; /* time after deassert for chips to be ready */ 95 u32 ir_reset_mask; /* GPIO to reset the Zilog Z8F0811 IR contoller */ 96}; 97 98struct cx18_gpio_audio_input { /* select tuner/line in input */ 99 u32 mask; /* leave to 0 if not supported */ 100 u32 tuner; 101 u32 linein; 102 u32 radio; 103}; 104 105struct cx18_card_tuner { 106 v4l2_std_id std; /* standard for which the tuner is suitable */ 107 int tuner; /* tuner ID (from tuner.h) */ 108}; 109 110struct cx18_card_tuner_i2c { 111 unsigned short radio[2];/* radio tuner i2c address to probe */ 112 unsigned short demod[3];/* demodulator i2c address to probe */ 113 unsigned short tv[4]; /* tv tuner i2c addresses to probe */ 114}; 115 116struct cx18_ddr { /* DDR config data */ 117 u32 chip_config; 118 u32 refresh; 119 u32 timing1; 120 u32 timing2; 121 u32 tune_lane; 122 u32 initial_emrs; 123}; 124 125/* for card information/parameters */ 126struct cx18_card { 127 int type; 128 char *name; 129 char *comment; 130 u32 v4l2_capabilities; 131 u32 hw_audio_ctrl; /* hardware used for the V4L2 controls (only 132 1 dev allowed currently) */ 133 u32 hw_muxer; /* hardware used to multiplex audio input */ 134 u32 hw_all; /* all hardware used by the board */ 135 struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS]; 136 struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS]; 137 struct cx18_card_audio_input radio_input; 138 139 /* GPIO card-specific settings */ 140 u8 xceive_pin; /* XCeive tuner GPIO reset pin */ 141 struct cx18_gpio_init gpio_init; 142 struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset; 143 struct cx18_gpio_audio_input gpio_audio_input; 144 145 struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS]; 146 struct cx18_card_tuner_i2c *i2c; 147 148 struct cx18_ddr ddr; 149 150 /* list of device and subsystem vendor/devices that 151 correspond to this card type. */ 152 const struct cx18_card_pci_info *pci_list; 153}; 154 155int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input); 156int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input); 157const struct cx18_card *cx18_get_card(u16 index); 158