92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
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#ifndef _UAPI_MCST_MSPS_IOCTL_H_
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#define _UAPI_MCST_MSPS_IOCTL_H_
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/*
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* Definitions
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*/
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/* TODO: ask developers for max size !!! */
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#define MSPS_DMA_SIZE 1024*1024 /* 1 Mb - max for user */
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#define MSPS_DMA_SIZE_IN_WORDS (MSPS_DMA_SIZE/4)
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#define MSPS_DMA_DONE 1
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#define MSPS_DMA_TIMEOUT 2
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#define MSPS_DMA_ABORT 3
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/*
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* Ioctl structures
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*/
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typedef struct msps_status {
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u_int state; /* if == MSPS_DMA_DONE - then finished */
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u_int size; /* size of last exchange */
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u_int buffer; /* which buffer used for last exchange */
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long wtime; /* working time dma transaction, microsec */
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long Cx; /* dbg, value register C[x] after transaction */
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long Lctl; /* dbg, value register LCTL after transaction */
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long Intr; /* dbg, value register INTR after transaction */
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int twice;
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} msps_status_t;
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typedef struct msps_setup {
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u_int size;
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u_int extended_flag;
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long timeout; /* if not set - unlimited, else in microsec */
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long key; /* only for dbg */
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msps_status_t status;
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} msps_setup_t;
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typedef int msps_batch_t; /* tmp, may be rewrite to struct */
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#ifdef __DEVELOPMENT__
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typedef struct msps_batch {
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u_int start_page;
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u_int strings;
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u_int stop_page;
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} msps_batch_t;
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#endif
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typedef struct msps_setup_a {
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msps_setup_t s;
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int time;
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} msps_setup_a_t;
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typedef struct msps_get_by_regs {
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u_int buf_number; /* which mmap buffer needed used */
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u_int size;
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} msps_get_by_regs_t;
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/*
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* mmap definition
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*/
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#define MSPS_DMA_MMAP_0 0x2000000
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#define MSPS_DMA_MMAP_1 0x3000000
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#define MSPS_DMA_MMAP MSPS_DMA_MMAP_0
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/*
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* Ioctl definitions
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*/
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/* Use 'c' as magic number */
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#define MSPS_IOC_MAGIC 'c'
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#define MSPS_GET_STATUS _IOR (MSPS_IOC_MAGIC, 0, msps_status_t)
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#define MSPS_EXCH_DATA _IOWR(MSPS_IOC_MAGIC, 1, msps_setup_t)
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#define MSPS_EXCH_DATA_ACTIVE _IOWR(MSPS_IOC_MAGIC, 2, msps_setup_a_t)
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#define MSPS_RESET _IO (MSPS_IOC_MAGIC, 3)
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#define MSPS_GET_BATCH _IOWR(MSPS_IOC_MAGIC, 4, int)
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#define MSPS_GET_DATA_BY_REGS _IOWR(MSPS_IOC_MAGIC, 5, msps_get_by_regs_t)
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#define MSPS_TEST_MODE_ON _IO (MSPS_IOC_MAGIC, 6)
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#define MSPS_TEST_MODE_OFF _IO (MSPS_IOC_MAGIC, 7)
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#define MSPS_TEST_EXCH _IOWR(MSPS_IOC_MAGIC, 8, msps_setup_t)
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#define MSPS_EXCH_DATA_NW _IOW (MSPS_IOC_MAGIC, 9, msps_setup_t)
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#define MSPS_TWICE_INTR_ON _IO (MSPS_IOC_MAGIC, 10)
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#define MSPS_TWICE_INTR_OFF _IO (MSPS_IOC_MAGIC, 11)
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#define MSPS_IOC_MAXNR 11
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#endif /* !(_UAPI_MCST_MSPS_IOCTL_H_) */
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