udc.h

来自「linux嵌入式课程实践中的一个关于声卡驱动程序 。」· C头文件 代码 · 共 144 行

/*******************************************************************************
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

struct TRANSFER_FRAME_STRUCT
{
    unsigned short link_pointer;
    unsigned short absolute_address;
    unsigned short data_length;
    unsigned short callback_function_location;
} __attribute__((packed));

typedef struct TRANSFER_FRAME_STRUCT TRANSFER_FRAME;


#define UDC_MEMORY_BASE                    (cy_priv->cy_buf_addr)
#define DEVICE_DESCRIPTOR_SIZE             0x12
#define CONFIG_DESCRIPTOR_SIZE             0x100
#define STRING_DESCRIPTOR_SIZE             0x100
#define TXRX_STRUCT_SIZE                   sizeof(TRANSFER_FRAME)
#define RECV_BUFF_LENGTH                   64
#define SEND_BUFF_LENGTH                   (1024 + 2)
#define MEM_PADDING                        32

#define SIE0_BASE_MEMORY                   UDC_MEMORY_BASE

#define SIE0_DEVICE_DESCRIPTOR_LOCATION    SIE0_BASE_MEMORY
#define SIE0_CONFIG_DESCRIPTOR_LOCATION    \
            (SIE0_DEVICE_DESCRIPTOR_LOCATION + DEVICE_DESCRIPTOR_SIZE)
#define SIE0_STRING_DESCRIPTOR_LOCATION    \
            (SIE0_CONFIG_DESCRIPTOR_LOCATION + CONFIG_DESCRIPTOR_SIZE)

#define SIE0_RECV_STRUCT_ADDR              \
            (SIE0_STRING_DESCRIPTOR_LOCATION + STRING_DESCRIPTOR_SIZE)
#define SIE0_RECV_BUFF_ADDR                \
            (SIE0_RECV_STRUCT_ADDR + 8*TXRX_STRUCT_SIZE)

#define SIE0_SEND_STRUCT_ADDR              \
            (SIE0_RECV_BUFF_ADDR + 8*RECV_BUFF_LENGTH)
#define SIE0_SEND_BUFF_ADDR                \
            (SIE0_SEND_STRUCT_ADDR + TXRX_STRUCT_SIZE)
#define SIE0_MEM_END                       \
            (SIE0_SEND_BUFF_ADDR + SEND_BUFF_LENGTH + MEM_PADDING)


#define SIE1_BASE_MEMORY                   UDC_MEMORY_BASE

#define SIE1_DEVICE_DESCRIPTOR_LOCATION    SIE1_BASE_MEMORY
#define SIE1_CONFIG_DESCRIPTOR_LOCATION    \
            (SIE1_DEVICE_DESCRIPTOR_LOCATION + DEVICE_DESCRIPTOR_SIZE)
#define SIE1_STRING_DESCRIPTOR_LOCATION    \
            (SIE1_CONFIG_DESCRIPTOR_LOCATION + CONFIG_DESCRIPTOR_SIZE)

#define SIE1_RECV_STRUCT_ADDR              \
            (SIE1_STRING_DESCRIPTOR_LOCATION + STRING_DESCRIPTOR_SIZE)
#define SIE1_RECV_BUFF_ADDR                \
            (SIE1_RECV_STRUCT_ADDR + 8*TXRX_STRUCT_SIZE)

#define SIE1_SEND_STRUCT_ADDR              \
            (SIE1_RECV_BUFF_ADDR + 8*RECV_BUFF_LENGTH)
#define SIE1_SEND_BUFF_ADDR                \
            (SIE1_SEND_STRUCT_ADDR + TXRX_STRUCT_SIZE)
#define SIE1_MEM_END                       \
            (SIE1_SEND_BUFF_ADDR + SEND_BUFF_LENGTH + MEM_PADDING)


#define DESCRIPTOR_BUFFER_SIZE  0x100
#define EP0_PACKETSIZE          8          
#define UDC_MAX_ENDPOINTS       8          
#define UDC_IRQ                 SL16_IRQ
#define UDC_ADDR                SL16_ADDR 
#define UDC_ADDR_SIZE           4          
#define UDC_NAME                "EZ-HOST"

#define ERROR                   -1
#define SUCCESS                 0

#define CONTROL_EP_RECV_URB_COUNT           5
#define OUT_EP_URB_COUNT                    5


typedef struct sie_info {
    unsigned short            susb_recv_interrupt;
    unsigned short            susb_stall_interrupt;
    unsigned short            susb_standard_int;
    unsigned short            susb_standard_loader_vec;
    unsigned short            susb_vendor_interrupt;
    unsigned short            susb_vendor_loader_vec;
    unsigned short            susb_class_interrupt;
    unsigned short            susb_class_loader_vec;
    unsigned short            susb_finish_interrupt;
    unsigned short            susb_dev_desc_vec;
    unsigned short            susb_config_desc_vec;
    unsigned short            susb_string_desc_vec;
    unsigned short            susb_parse_config_interrupt;
    unsigned short            susb_loader_interrupt;
    unsigned short            susb_delta_config_interrupt;
    
    unsigned short            susb_init_interrupt;
    unsigned short            susb_remote_wakeup_interrupt;
    unsigned short            susb_start_srp_interrupt;

    unsigned short            sie_dev_desc_location;
    unsigned short            sie_config_desc_location;
    unsigned short            sie_string_desc_location;

    unsigned short            recv_struct_location;
    unsigned short            recv_buffer_location;
    unsigned short            recv_buffer_length;

    unsigned short            send_struct_location;
    unsigned short            send_buffer_location;
    unsigned short            send_buffer_length;
    
    struct usb_bus_instance *       bus;
    //delete struct usb_device_instance *    device;
    //delete struct usb_bus_driver *         bus_driver;
    void *                          cy_priv;
    
    unsigned char                   usb_address;
    int                             udc_suspended;
    int                             sie_number;
    struct usb_endpoint_instance    *rcv_data_pend_ep[UDC_MAX_ENDPOINTS];
}sie_info;

typedef struct pcdi {
    sie_info *          sie_data[2];
}pcdi;

extern void udc_rcv_urb_recycled(void);