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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go7007-priv.h (8757B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2005-2006 Micronas USA Inc.
      4 */
      5
      6/*
      7 * This is the private include file for the go7007 driver.  It should not
      8 * be included by anybody but the driver itself, and especially not by
      9 * user-space applications.
     10 */
     11
     12#include <media/v4l2-device.h>
     13#include <media/v4l2-ctrls.h>
     14#include <media/v4l2-fh.h>
     15#include <media/videobuf2-v4l2.h>
     16
     17struct go7007;
     18
     19/* IDs to activate board-specific support code */
     20#define GO7007_BOARDID_MATRIX_II	0
     21#define GO7007_BOARDID_MATRIX_RELOAD	1
     22#define GO7007_BOARDID_STAR_TREK	2
     23#define GO7007_BOARDID_PCI_VOYAGER	3
     24#define GO7007_BOARDID_XMEN		4
     25#define GO7007_BOARDID_XMEN_II		5
     26#define GO7007_BOARDID_XMEN_III		6
     27#define GO7007_BOARDID_MATRIX_REV	7
     28#define GO7007_BOARDID_PX_M402U		8
     29#define GO7007_BOARDID_PX_TV402U	9
     30#define GO7007_BOARDID_LIFEVIEW_LR192	10 /* TV Walker Ultra */
     31#define GO7007_BOARDID_ENDURA		11
     32#define GO7007_BOARDID_ADLINK_MPG24	12
     33#define GO7007_BOARDID_SENSORAY_2250	13 /* Sensoray 2250/2251 */
     34#define GO7007_BOARDID_ADS_USBAV_709    14
     35
     36/* Various characteristics of each board */
     37#define GO7007_BOARD_HAS_AUDIO		(1<<0)
     38#define GO7007_BOARD_USE_ONBOARD_I2C	(1<<1)
     39#define GO7007_BOARD_HAS_TUNER		(1<<2)
     40
     41/* Characteristics of sensor devices */
     42#define GO7007_SENSOR_VALID_POLAR	(1<<0)
     43#define GO7007_SENSOR_HREF_POLAR	(1<<1)
     44#define GO7007_SENSOR_VREF_POLAR	(1<<2)
     45#define GO7007_SENSOR_FIELD_ID_POLAR	(1<<3)
     46#define GO7007_SENSOR_BIT_WIDTH		(1<<4)
     47#define GO7007_SENSOR_VALID_ENABLE	(1<<5)
     48#define GO7007_SENSOR_656		(1<<6)
     49#define GO7007_SENSOR_CONFIG_MASK	0x7f
     50#define GO7007_SENSOR_TV		(1<<7)
     51#define GO7007_SENSOR_VBI		(1<<8)
     52#define GO7007_SENSOR_SCALING		(1<<9)
     53#define GO7007_SENSOR_SAA7115		(1<<10)
     54
     55/* Characteristics of audio sensor devices */
     56#define GO7007_AUDIO_I2S_MODE_1		(1)
     57#define GO7007_AUDIO_I2S_MODE_2		(2)
     58#define GO7007_AUDIO_I2S_MODE_3		(3)
     59#define GO7007_AUDIO_BCLK_POLAR		(1<<2)
     60#define GO7007_AUDIO_WORD_14		(14<<4)
     61#define GO7007_AUDIO_WORD_16		(16<<4)
     62#define GO7007_AUDIO_ONE_CHANNEL	(1<<11)
     63#define GO7007_AUDIO_I2S_MASTER		(1<<16)
     64#define GO7007_AUDIO_OKI_MODE		(1<<17)
     65
     66#define GO7007_CID_CUSTOM_BASE		(V4L2_CID_DETECT_CLASS_BASE + 0x1000)
     67#define V4L2_CID_PIXEL_THRESHOLD0	(GO7007_CID_CUSTOM_BASE+1)
     68#define V4L2_CID_MOTION_THRESHOLD0	(GO7007_CID_CUSTOM_BASE+2)
     69#define V4L2_CID_MB_THRESHOLD0		(GO7007_CID_CUSTOM_BASE+3)
     70#define V4L2_CID_PIXEL_THRESHOLD1	(GO7007_CID_CUSTOM_BASE+4)
     71#define V4L2_CID_MOTION_THRESHOLD1	(GO7007_CID_CUSTOM_BASE+5)
     72#define V4L2_CID_MB_THRESHOLD1		(GO7007_CID_CUSTOM_BASE+6)
     73#define V4L2_CID_PIXEL_THRESHOLD2	(GO7007_CID_CUSTOM_BASE+7)
     74#define V4L2_CID_MOTION_THRESHOLD2	(GO7007_CID_CUSTOM_BASE+8)
     75#define V4L2_CID_MB_THRESHOLD2		(GO7007_CID_CUSTOM_BASE+9)
     76#define V4L2_CID_PIXEL_THRESHOLD3	(GO7007_CID_CUSTOM_BASE+10)
     77#define V4L2_CID_MOTION_THRESHOLD3	(GO7007_CID_CUSTOM_BASE+11)
     78#define V4L2_CID_MB_THRESHOLD3		(GO7007_CID_CUSTOM_BASE+12)
     79
     80struct go7007_board_info {
     81	unsigned int flags;
     82	int hpi_buffer_cap;
     83	unsigned int sensor_flags;
     84	int sensor_width;
     85	int sensor_height;
     86	int sensor_framerate;
     87	int sensor_h_offset;
     88	int sensor_v_offset;
     89	unsigned int audio_flags;
     90	int audio_rate;
     91	int audio_bclk_div;
     92	int audio_main_div;
     93	int num_i2c_devs;
     94	struct go_i2c {
     95		const char *type;
     96		unsigned int is_video:1;
     97		unsigned int is_audio:1;
     98		int addr;
     99		u32 flags;
    100	} i2c_devs[5];
    101	int num_inputs;
    102	struct {
    103		int video_input;
    104		int audio_index;
    105		char *name;
    106	} inputs[4];
    107	int video_config;
    108	int num_aud_inputs;
    109	struct {
    110		int audio_input;
    111		char *name;
    112	} aud_inputs[3];
    113};
    114
    115struct go7007_hpi_ops {
    116	int (*interface_reset)(struct go7007 *go);
    117	int (*write_interrupt)(struct go7007 *go, int addr, int data);
    118	int (*read_interrupt)(struct go7007 *go);
    119	int (*stream_start)(struct go7007 *go);
    120	int (*stream_stop)(struct go7007 *go);
    121	int (*send_firmware)(struct go7007 *go, u8 *data, int len);
    122	int (*send_command)(struct go7007 *go, unsigned int cmd, void *arg);
    123	void (*release)(struct go7007 *go);
    124};
    125
    126/* The video buffer size must be a multiple of PAGE_SIZE */
    127#define	GO7007_BUF_PAGES	(128 * 1024 / PAGE_SIZE)
    128#define	GO7007_BUF_SIZE		(GO7007_BUF_PAGES << PAGE_SHIFT)
    129
    130struct go7007_buffer {
    131	struct vb2_v4l2_buffer vb;
    132	struct list_head list;
    133	unsigned int frame_offset;
    134	u32 modet_active;
    135};
    136
    137#define GO7007_RATIO_1_1	0
    138#define GO7007_RATIO_4_3	1
    139#define GO7007_RATIO_16_9	2
    140
    141enum go7007_parser_state {
    142	STATE_DATA,
    143	STATE_00,
    144	STATE_00_00,
    145	STATE_00_00_01,
    146	STATE_FF,
    147	STATE_VBI_LEN_A,
    148	STATE_VBI_LEN_B,
    149	STATE_MODET_MAP,
    150	STATE_UNPARSED,
    151};
    152
    153struct go7007 {
    154	struct device *dev;
    155	u8 bus_info[32];
    156	const struct go7007_board_info *board_info;
    157	unsigned int board_id;
    158	int tuner_type;
    159	int channel_number; /* for multi-channel boards like Adlink PCI-MPG24 */
    160	char name[64];
    161	struct video_device vdev;
    162	void *boot_fw;
    163	unsigned boot_fw_len;
    164	struct v4l2_device v4l2_dev;
    165	struct v4l2_ctrl_handler hdl;
    166	struct v4l2_ctrl *mpeg_video_encoding;
    167	struct v4l2_ctrl *mpeg_video_gop_size;
    168	struct v4l2_ctrl *mpeg_video_gop_closure;
    169	struct v4l2_ctrl *mpeg_video_bitrate;
    170	struct v4l2_ctrl *mpeg_video_aspect_ratio;
    171	struct v4l2_ctrl *mpeg_video_b_frames;
    172	struct v4l2_ctrl *mpeg_video_rep_seqheader;
    173	struct v4l2_ctrl *modet_mode;
    174	enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status;
    175	spinlock_t spinlock;
    176	struct mutex hw_lock;
    177	struct mutex serialize_lock;
    178	int audio_enabled;
    179	struct v4l2_subdev *sd_video;
    180	struct v4l2_subdev *sd_audio;
    181	u8 usb_buf[16];
    182
    183	/* Video input */
    184	int input;
    185	int aud_input;
    186	enum { GO7007_STD_NTSC, GO7007_STD_PAL, GO7007_STD_OTHER } standard;
    187	v4l2_std_id std;
    188	int sensor_framerate;
    189	int width;
    190	int height;
    191	int encoder_h_offset;
    192	int encoder_v_offset;
    193	unsigned int encoder_h_halve:1;
    194	unsigned int encoder_v_halve:1;
    195	unsigned int encoder_subsample:1;
    196
    197	/* Encoder config */
    198	u32 format;
    199	int bitrate;
    200	int fps_scale;
    201	int pali;
    202	int aspect_ratio;
    203	int gop_size;
    204	unsigned int ipb:1;
    205	unsigned int closed_gop:1;
    206	unsigned int repeat_seqhead:1;
    207	unsigned int seq_header_enable:1;
    208	unsigned int gop_header_enable:1;
    209	unsigned int dvd_mode:1;
    210	unsigned int interlace_coding:1;
    211
    212	/* Motion detection */
    213	unsigned int modet_enable:1;
    214	struct {
    215		unsigned int enable:1;
    216		int pixel_threshold;
    217		int motion_threshold;
    218		int mb_threshold;
    219	} modet[4];
    220	unsigned char modet_map[1624];
    221	unsigned char active_map[216];
    222	u32 modet_event_status;
    223
    224	/* Video streaming */
    225	struct mutex queue_lock;
    226	struct vb2_queue vidq;
    227	enum go7007_parser_state state;
    228	int parse_length;
    229	u16 modet_word;
    230	int seen_frame;
    231	u32 next_seq;
    232	struct list_head vidq_active;
    233	wait_queue_head_t frame_waitq;
    234	struct go7007_buffer *active_buf;
    235
    236	/* Audio streaming */
    237	void (*audio_deliver)(struct go7007 *go, u8 *buf, int length);
    238	void *snd_context;
    239
    240	/* I2C */
    241	int i2c_adapter_online;
    242	struct i2c_adapter i2c_adapter;
    243
    244	/* HPI driver */
    245	const struct go7007_hpi_ops *hpi_ops;
    246	void *hpi_context;
    247	int interrupt_available;
    248	wait_queue_head_t interrupt_waitq;
    249	unsigned short interrupt_value;
    250	unsigned short interrupt_data;
    251};
    252
    253static inline struct go7007 *to_go7007(struct v4l2_device *v4l2_dev)
    254{
    255	return container_of(v4l2_dev, struct go7007, v4l2_dev);
    256}
    257
    258/* All of these must be called with the hpi_lock mutex held! */
    259#define go7007_interface_reset(go) \
    260			((go)->hpi_ops->interface_reset(go))
    261#define	go7007_write_interrupt(go, x, y) \
    262			((go)->hpi_ops->write_interrupt)((go), (x), (y))
    263#define go7007_stream_start(go) \
    264			((go)->hpi_ops->stream_start(go))
    265#define go7007_stream_stop(go) \
    266			((go)->hpi_ops->stream_stop(go))
    267#define	go7007_send_firmware(go, x, y) \
    268			((go)->hpi_ops->send_firmware)((go), (x), (y))
    269#define go7007_write_addr(go, x, y) \
    270			((go)->hpi_ops->write_interrupt)((go), (x)|0x8000, (y))
    271
    272/* go7007-driver.c */
    273int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data);
    274int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data);
    275int go7007_boot_encoder(struct go7007 *go, int init_i2c);
    276int go7007_reset_encoder(struct go7007 *go);
    277int go7007_register_encoder(struct go7007 *go, unsigned num_i2c_devs);
    278int go7007_start_encoder(struct go7007 *go);
    279void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length);
    280struct go7007 *go7007_alloc(const struct go7007_board_info *board,
    281					struct device *dev);
    282void go7007_update_board(struct go7007 *go);
    283
    284/* go7007-fw.c */
    285int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen);
    286
    287/* go7007-i2c.c */
    288int go7007_i2c_init(struct go7007 *go);
    289int go7007_i2c_remove(struct go7007 *go);
    290
    291/* go7007-v4l2.c */
    292int go7007_v4l2_init(struct go7007 *go);
    293int go7007_v4l2_ctrl_init(struct go7007 *go);
    294void go7007_v4l2_remove(struct go7007 *go);
    295
    296/* snd-go7007.c */
    297int go7007_snd_init(struct go7007 *go);
    298int go7007_snd_remove(struct go7007 *go);