mirror of https://github.com/mpv-player/mpv
70 lines
1.3 KiB
C
70 lines
1.3 KiB
C
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/*
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Direct Hardware Access kernel helper
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(C) 2002 Alex Beregszaszi <alex@naxine.org>
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*/
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#ifndef DHAHELPER_H
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#define DHAHELPER_H
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#include <linux/ioctl.h>
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/* feel free to change */
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#define DEFAULT_MAJOR 180
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#define API_VERSION 0x1
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typedef struct dhahelper_port_s
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{
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#define PORT_OP_READ 1
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#define PORT_OP_WRITE 2
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int operation;
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int size;
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int addr;
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int value;
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} dhahelper_port_t;
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typedef struct dhahelper_memory_s
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{
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#define MEMORY_OP_MAP 1
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#define MEMORY_OP_UNMAP 2
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int operation;
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int start;
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int offset;
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int size;
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int ret;
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#define MEMORY_FLAG_NOCACHE 1
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int flags;
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} dhahelper_memory_t;
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typedef struct dhahelper_mtrr_s
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{
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#define MTRR_OP_ADD 1
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#define MTRR_OP_DEL 2
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int operation;
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int start;
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int size;
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int type;
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} dhahelper_mtrr_t;
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typedef struct dhahelper_pci_s
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{
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#define PCI_OP_READ 1
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#define PCI_OP_WRITE 1
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int operation;
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int bus;
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int dev;
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int func;
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int cmd;
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int size;
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int ret;
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} dhahelper_pci_t;
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#define DHAHELPER_GET_VERSION _IOW('D', 0, int)
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#define DHAHELPER_PORT _IOWR('D', 1, dhahelper_port_t)
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#define DHAHELPER_MEMORY _IOWR('D', 2, dhahelper_memory_t)
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#define DHAHELPER_MTRR _IOWR('D', 3, dhahelper_mtrr_t)
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#define DHAHELPER_PCI _IOWR('D', 4, dhahelper_pci_t)
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#endif /* DHAHELPER_H */
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