diff options
Diffstat (limited to 'drivers/staging/dt3155/dt3155.h')
| -rw-r--r-- | drivers/staging/dt3155/dt3155.h | 148 |
1 files changed, 72 insertions, 76 deletions
diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h index 2e158151a75..2a01e017d5f 100644 --- a/drivers/staging/dt3155/dt3155.h +++ b/drivers/staging/dt3155/dt3155.h @@ -1,7 +1,7 @@ /* Copyright 1996,2002,2005 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan, - Jason Lapenta, Scott Smedley + Jason Lapenta, Scott Smedley This file is part of the DT3155 Device Driver. @@ -20,8 +20,6 @@ along with the DT3155 Device Driver; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - $Id: dt3155.h,v 1.11 2005/08/09 06:08:51 ssmedley Exp $ - -- Changes -- Date Programmer Description of changes made @@ -56,120 +54,118 @@ MA 02111-1307 USA /* Can be 1 or 2 */ #define MAXBOARDS 1 -#define BOARD_MAX_BUFFS 3 -#define MAXBUFFERS BOARD_MAX_BUFFS*MAXBOARDS +#define BOARD_MAX_BUFFS 3 +#define MAXBUFFERS (BOARD_MAX_BUFFS*MAXBOARDS) -#define PCI_PAGE_SIZE (1 << 12) +#define PCI_PAGE_SIZE (1 << 12) #ifdef CCIR -#define DT3155_MAX_ROWS 576 -#define DT3155_MAX_COLS 768 -#define FORMAT50HZ TRUE +#define DT3155_MAX_ROWS 576 +#define DT3155_MAX_COLS 768 +#define FORMAT50HZ TRUE #else -#define DT3155_MAX_ROWS 480 -#define DT3155_MAX_COLS 640 -#define FORMAT50HZ FALSE +#define DT3155_MAX_ROWS 480 +#define DT3155_MAX_COLS 640 +#define FORMAT50HZ FALSE #endif /* Configuration structure */ struct dt3155_config_s { - u_int acq_mode; - u_int cols, rows; - u_int continuous; + u_int acq_mode; + u_int cols, rows; + u_int continuous; }; /* hold data for each frame */ -typedef struct -{ - u_long addr; /* address of the buffer with the frame */ - u_long tag; /* unique number for the frame */ - struct timeval time; /* time that capture took place */ +typedef struct { + u_long addr; /* address of the buffer with the frame */ + u_long tag; /* unique number for the frame */ + struct timeval time; /* time that capture took place */ } frame_info_t; -/* Structure for interrupt and buffer handling. */ -/* This is the setup for 1 card */ +/* + * Structure for interrupt and buffer handling. + * This is the setup for 1 card + */ struct dt3155_fbuffer_s { - int nbuffers; - - frame_info_t frame_info[ BOARD_MAX_BUFFS ]; + int nbuffers; - int empty_buffers[ BOARD_MAX_BUFFS ]; /* indexes empty frames */ - int empty_len; /* Number of empty buffers */ - /* Zero means empty */ + frame_info_t frame_info[BOARD_MAX_BUFFS]; - int active_buf; /* Where data is currently dma'ing */ - int locked_buf; /* Buffers used by user */ + int empty_buffers[BOARD_MAX_BUFFS]; /* indexes empty frames */ + int empty_len; /* Number of empty buffers */ + /* Zero means empty */ - int ready_que[ BOARD_MAX_BUFFS ]; - u_long ready_head; /* The most recent buffer located here */ - u_long ready_len; /* The number of ready buffers */ + int active_buf; /* Where data is currently dma'ing */ + int locked_buf; /* Buffers used by user */ - int even_happened; - int even_stopped; + int ready_que[BOARD_MAX_BUFFS]; + u_long ready_head; /* The most recent buffer located here */ + u_long ready_len; /* The number of ready buffers */ - int stop_acquire; /* Flag to stop interrupts */ - u_long frame_count; /* Counter for frames acquired by this card */ + int even_happened; + int even_stopped; + int stop_acquire; /* Flag to stop interrupts */ + u_long frame_count; /* Counter for frames acquired by this card */ }; -#define DT3155_MODE_FRAME 1 -#define DT3155_MODE_FIELD 2 +#define DT3155_MODE_FRAME 1 +#define DT3155_MODE_FIELD 2 -#define DT3155_SNAP 1 -#define DT3155_ACQ 2 +#define DT3155_SNAP 1 +#define DT3155_ACQ 2 /* There is one status structure for each card. */ -typedef struct dt3155_status_s -{ - int fixed_mode; /* if 1, we are in fixed frame mode */ - u_long reg_addr; /* Register address for a single card */ - u_long mem_addr; /* Buffer start addr for this card */ - u_long mem_size; /* This is the amount of mem available */ - u_int irq; /* this card's irq */ - struct dt3155_config_s config; /* configuration struct */ - struct dt3155_fbuffer_s fbuffer;/* frame buffer state struct */ - u_long state; /* this card's state */ - u_int device_installed; /* Flag if installed. 1=installed */ +typedef struct dt3155_status_s { + int fixed_mode; /* if 1, we are in fixed frame mode */ + u_long reg_addr; /* Register address for a single card */ + u_long mem_addr; /* Buffer start addr for this card */ + u_long mem_size; /* This is the amount of mem available */ + u_int irq; /* this card's irq */ + struct dt3155_config_s config; /* configuration struct */ + struct dt3155_fbuffer_s fbuffer; /* frame buffer state struct */ + u_long state; /* this card's state */ + u_int device_installed; /* Flag if installed. 1=installed */ } dt3155_status_t; /* Reference to global status structure */ extern struct dt3155_status_s dt3155_status[MAXBOARDS]; -#define DT3155_STATE_IDLE 0x00 -#define DT3155_STATE_FRAME 0x01 -#define DT3155_STATE_FLD 0x02 -#define DT3155_STATE_STOP 0x100 -#define DT3155_STATE_ERROR 0x200 -#define DT3155_STATE_MODE 0x0ff +#define DT3155_STATE_IDLE 0x00 +#define DT3155_STATE_FRAME 0x01 +#define DT3155_STATE_FLD 0x02 +#define DT3155_STATE_STOP 0x100 +#define DT3155_STATE_ERROR 0x200 +#define DT3155_STATE_MODE 0x0ff -#define DT3155_IOC_MAGIC '!' +#define DT3155_IOC_MAGIC '!' -#define DT3155_SET_CONFIG _IOW( DT3155_IOC_MAGIC, 1, struct dt3155_config_s ) -#define DT3155_GET_CONFIG _IOR( DT3155_IOC_MAGIC, 2, struct dt3155_status_s ) -#define DT3155_STOP _IO( DT3155_IOC_MAGIC, 3 ) -#define DT3155_START _IO( DT3155_IOC_MAGIC, 4 ) -#define DT3155_FLUSH _IO( DT3155_IOC_MAGIC, 5 ) -#define DT3155_IOC_MAXNR 5 +#define DT3155_SET_CONFIG _IOW(DT3155_IOC_MAGIC, 1, struct dt3155_config_s) +#define DT3155_GET_CONFIG _IOR(DT3155_IOC_MAGIC, 2, struct dt3155_status_s) +#define DT3155_STOP _IO(DT3155_IOC_MAGIC, 3) +#define DT3155_START _IO(DT3155_IOC_MAGIC, 4) +#define DT3155_FLUSH _IO(DT3155_IOC_MAGIC, 5) +#define DT3155_IOC_MAXNR 5 /* Error codes */ -#define DT_ERR_NO_BUFFERS 0x10000 /* not used but it might be one day - SS */ -#define DT_ERR_CORRUPT 0x20000 -#define DT_ERR_OVERRUN 0x30000 -#define DT_ERR_I2C_TIMEOUT 0x40000 -#define DT_ERR_MASK 0xff0000/* not used but it might be one day - SS */ +#define DT_ERR_NO_BUFFERS 0x10000 /* not used but it might be one day */ +#define DT_ERR_CORRUPT 0x20000 +#define DT_ERR_OVERRUN 0x30000 +#define DT_ERR_I2C_TIMEOUT 0x40000 +#define DT_ERR_MASK 0xff0000/* not used but it might be one day */ /* User code will probably want to declare one of these for each card */ -typedef struct dt3155_read_s -{ - u_long offset; - u_long frame_seq; - u_long state; +typedef struct dt3155_read_s { + u_long offset; + u_long frame_seq; + u_long state; - frame_info_t frame_info; + frame_info_t frame_info; } dt3155_read_t; #endif /* _DT3155_inc */ |