[7348c4b] | 1 | /*
|
---|
| 2 | * Copyright (c) 2018 Petr Pavlu
|
---|
| 3 | * All rights reserved.
|
---|
| 4 | *
|
---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
---|
| 6 | * modification, are permitted provided that the following conditions
|
---|
| 7 | * are met:
|
---|
| 8 | *
|
---|
| 9 | * - Redistributions of source code must retain the above copyright
|
---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
---|
| 13 | * documentation and/or other materials provided with the distribution.
|
---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
---|
| 15 | * derived from this software without specific prior written permission.
|
---|
| 16 | *
|
---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
---|
| 27 | */
|
---|
| 28 |
|
---|
| 29 | /** @addtogroup uspace_drv_pl011
|
---|
| 30 | * @{
|
---|
| 31 | */
|
---|
| 32 | /** @file
|
---|
| 33 | */
|
---|
| 34 |
|
---|
| 35 | #ifndef PL011_CON_H
|
---|
| 36 | #define PL011_CON_H
|
---|
| 37 |
|
---|
| 38 | #include <adt/circ_buf.h>
|
---|
| 39 | #include <async.h>
|
---|
| 40 | #include <ddf/driver.h>
|
---|
| 41 | #include <ddi.h>
|
---|
| 42 | #include <fibril_synch.h>
|
---|
| 43 | #include <io/chardev_srv.h>
|
---|
| 44 | #include <loc.h>
|
---|
| 45 | #include <stdint.h>
|
---|
| 46 |
|
---|
| 47 | enum {
|
---|
| 48 | pl011_buf_size = 64
|
---|
| 49 | };
|
---|
| 50 |
|
---|
| 51 | /** PL011 device resources. */
|
---|
| 52 | typedef struct {
|
---|
| 53 | uintptr_t base;
|
---|
| 54 | int irq;
|
---|
| 55 | } pl011_res_t;
|
---|
| 56 |
|
---|
| 57 | /** PL011 device. */
|
---|
| 58 | typedef struct {
|
---|
| 59 | ddf_dev_t *dev;
|
---|
| 60 | chardev_srvs_t cds;
|
---|
| 61 | pl011_res_t res;
|
---|
| 62 | irq_code_t irq_code;
|
---|
| 63 | circ_buf_t cbuf;
|
---|
| 64 | uint8_t buf[pl011_buf_size];
|
---|
| 65 | fibril_mutex_t buf_lock;
|
---|
| 66 | fibril_condvar_t buf_cv;
|
---|
| 67 | void *regs;
|
---|
| 68 | cap_irq_handle_t irq_handle;
|
---|
| 69 | } pl011_t;
|
---|
| 70 |
|
---|
| 71 | extern errno_t pl011_add(pl011_t *, pl011_res_t *);
|
---|
| 72 | extern errno_t pl011_remove(pl011_t *);
|
---|
| 73 | extern errno_t pl011_gone(pl011_t *);
|
---|
| 74 |
|
---|
| 75 | #endif
|
---|
| 76 |
|
---|
| 77 | /** @}
|
---|
| 78 | */
|
---|