4186ecf8ad
the patch below converts a bunch of semaphores-used-as-mutex in the USB code to mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
#define _BULK_DATA_LEN 64
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typedef struct
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{
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unsigned char data[_BULK_DATA_LEN];
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unsigned int size;
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unsigned int pipe;
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}bulk_transfer_t,*pbulk_transfer_t;
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#define DABUSB_MINOR 240 /* some unassigned USB minor */
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#define DABUSB_VERSION 0x1000
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#define IOCTL_DAB_BULK _IOWR('d', 0x30, bulk_transfer_t)
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#define IOCTL_DAB_OVERRUNS _IOR('d', 0x15, int)
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#define IOCTL_DAB_VERSION _IOR('d', 0x3f, int)
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#ifdef __KERNEL__
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typedef enum { _stopped=0, _started } driver_state_t;
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typedef struct
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{
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struct mutex mutex;
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struct usb_device *usbdev;
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wait_queue_head_t wait;
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wait_queue_head_t remove_ok;
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spinlock_t lock;
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atomic_t pending_io;
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driver_state_t state;
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int remove_pending;
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int got_mem;
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int total_buffer_size;
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unsigned int overruns;
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int readptr;
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int opened;
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int devnum;
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struct list_head free_buff_list;
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struct list_head rec_buff_list;
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} dabusb_t,*pdabusb_t;
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typedef struct
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{
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pdabusb_t s;
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struct urb *purb;
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struct list_head buff_list;
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} buff_t,*pbuff_t;
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typedef struct
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{
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wait_queue_head_t wait;
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} bulk_completion_context_t, *pbulk_completion_context_t;
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#define _DABUSB_IF 2
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#define _DABUSB_ISOPIPE 0x09
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#define _ISOPIPESIZE 16384
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#define _BULK_DATA_LEN 64
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// Vendor specific request code for Anchor Upload/Download
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// This one is implemented in the core
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#define ANCHOR_LOAD_INTERNAL 0xA0
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// EZ-USB Control and Status Register. Bit 0 controls 8051 reset
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#define CPUCS_REG 0x7F92
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#define _TOTAL_BUFFERS 384
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#define MAX_INTEL_HEX_RECORD_LENGTH 16
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#ifndef _BYTE_DEFINED
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#define _BYTE_DEFINED
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typedef unsigned char BYTE;
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#endif // !_BYTE_DEFINED
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#ifndef _WORD_DEFINED
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#define _WORD_DEFINED
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typedef unsigned short WORD;
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#endif // !_WORD_DEFINED
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typedef struct _INTEL_HEX_RECORD
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{
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BYTE Length;
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WORD Address;
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BYTE Type;
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BYTE Data[MAX_INTEL_HEX_RECORD_LENGTH];
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} INTEL_HEX_RECORD, *PINTEL_HEX_RECORD;
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#endif
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