cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cx18-cards.h (4229B)


      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
     44struct 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
     50struct 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
     57struct 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
     67struct 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
     72struct 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
     80struct 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
     87struct 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
     92struct 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
     98struct 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 */
    108struct 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
    137int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input);
    138int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input);
    139const struct cx18_card *cx18_get_card(u16 index);