113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
#ifndef _KERNEL_DEVICE_USB_H
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#define _KERNEL_DEVICE_USB_H
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#include <aux/compiler.h>
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#include <libk/std.h>
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#define USB_DRIVER_MAX_MATCHES 1
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/* descriptor types */
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#define USB_DESC_DEVICE 1
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#define USB_DESC_CONFIG 2
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#define USB_DESC_STRING 3
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#define USB_DESC_IF 4
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#define USB_DESC_ENDPOINT 5
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#define USB_DESC_IF_POWER 8
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#define USB_DESC_OTG 9
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#define USB_DESC_DEBUG 10
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#define USB_DESC_IF_ASSOC 11
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#define USB_DESC_BOS 15
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#define USB_DESC_DEV_CAPABILITY 16
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#define USB_DESC_SS_USB_EP_COMP 48
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struct usb_desc_hdr {
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uint8_t length;
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uint8_t desc_type;
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} PACKED;
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struct usb_device_desc {
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struct usb_desc_hdr hdr;
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uint16_t bcd_usb;
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uint8_t dev_class;
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uint8_t dev_subclass;
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uint8_t dev_proto;
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uint8_t max_packet_size; /* If USB 3.0, this must be read as (1 << max_packet_size) */
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uint16_t vendor_id;
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uint16_t product_id;
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uint16_t bcd_device;
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uint8_t manufacturer;
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uint8_t product;
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uint8_t serial_num;
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uint8_t num_configs;
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} PACKED;
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struct usb_string_lang_desc {
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struct usb_desc_hdr hdr;
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uint16_t langs[126];
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} PACKED;
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struct usb_config_desc {
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struct usb_desc_hdr hdr;
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uint16_t total_length;
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uint8_t num_ifs;
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uint8_t config_value;
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uint8_t config;
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uint8_t attrs;
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uint8_t max_power;
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uint8_t data[245];
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} PACKED;
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struct usb_if_desc {
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struct usb_desc_hdr hdr;
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uint8_t if_num;
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uint8_t alt_setting;
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uint8_t num_endpoints;
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uint8_t if_class;
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uint8_t if_subclass;
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uint8_t if_proto;
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uint8_t if1;
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} PACKED;
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struct usb_endpoint_desc {
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struct usb_desc_hdr hdr;
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uint8_t endpoint_addr;
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uint8_t attrs;
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uint16_t max_packet_size;
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uint8_t interval;
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} PACKED;
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#define USB_CBW_SIGNATURE 0x43425355
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/* command block wrapper */
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struct usb_cbw {
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uint32_t signature;
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uint32_t tag;
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uint32_t length;
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uint8_t dir;
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uint8_t lun;
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uint8_t cmd_len;
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uint8_t data[16];
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} PACKED;
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#define USB_CSW_SIGNATURE 0x53425355
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/* command status wrapper */
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struct usb_csw {
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uint32_t signature;
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uint32_t tag;
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uint32_t residue;
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uint8_t status;
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};
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struct usb_driver_info {
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uint8_t if_class;
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uint8_t if_subclass;
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uint8_t if_proto;
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bool (*init) (void);
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};
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extern struct usb_driver_info usb_driver_infos[USB_DRIVER_MAX_MATCHES];
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#endif // _KERNEL_DEVICE_USB_H
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