699842fad2
A few routines had unchecked mallocs. One was unused, so remove it but add fallback code for the rest of them.
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/*
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* Copyright (c) 2008 Travis Geiselbrecht
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*
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* Use of this source code is governed by a MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT
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*/
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#pragma once
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#include <lk/compiler.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <hw/usb.h>
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#include <dev/usb.h>
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__BEGIN_CDECLS
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void usbc_init(void);
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typedef uint ep_t;
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typedef enum {
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USB_IN = 0,
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USB_OUT
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} ep_dir_t;
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typedef enum {
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USB_CTRL = 0x00,
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USB_ISOC = 0x01,
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USB_BULK = 0x02,
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USB_INTR = 0x03,
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} ep_type_t;
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struct usbc_transfer;
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typedef status_t (*ep_callback)(ep_t endpoint, struct usbc_transfer *transfer);
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typedef struct usbc_transfer {
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ep_callback callback;
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status_t result;
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void *buf;
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size_t buflen;
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uint bufpos;
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void *extra; // extra pointer to store whatever you want
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} usbc_transfer_t;
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enum {
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USB_TRANSFER_RESULT_OK = 0,
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USB_TRANSFER_RESULT_ERR = -1,
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USB_TRANSFER_RESULT_CANCELLED = -2,
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};
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status_t usbc_setup_endpoint(ep_t ep, ep_dir_t dir, uint width, ep_type_t type);
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status_t usbc_queue_rx(ep_t ep, usbc_transfer_t *transfer);
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status_t usbc_queue_tx(ep_t ep, usbc_transfer_t *transfer);
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status_t usbc_flush_ep(ep_t ep);
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status_t usbc_set_active(bool active);
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void usbc_set_address(uint8_t address);
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/* callback api the usbc driver uses */
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status_t usbc_callback(usb_callback_op_t op, const union usb_callback_args *args);
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/* called back from within a callback to handle setup responses */
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void usbc_ep0_ack(void);
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void usbc_ep0_stall(void);
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void usbc_ep0_send(const void *buf, size_t len, size_t maxlen);
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void usbc_ep0_recv(void *buf, size_t len, ep_callback);
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bool usbc_is_highspeed(void);
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static inline void usbc_dump_transfer(const usbc_transfer_t *t) {
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printf("usb transfer %p: cb %p buf %p, buflen %zd, bufpos %u, result %d\n", t, t->callback, t->buf, t->buflen, t->bufpos, t->result);
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}
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__END_CDECLS
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