/* * Copyright (c) 2018 Petr Pavlu * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup uspace_drv_pl011 * @{ */ /** @file */ #ifndef PL011_CON_H #define PL011_CON_H #include <adt/circ_buf.h> #include <async.h> #include <ddf/driver.h> #include <ddi.h> #include <fibril_synch.h> #include <io/chardev_srv.h> #include <loc.h> #include <stdint.h> enum { pl011_buf_size = 64 }; /** PL011 device resources. */ typedef struct { uintptr_t base; int irq; } pl011_res_t; /** PL011 device. */ typedef struct { ddf_dev_t *dev; chardev_srvs_t cds; pl011_res_t res; irq_code_t irq_code; circ_buf_t cbuf; uint8_t buf[pl011_buf_size]; fibril_mutex_t buf_lock; fibril_condvar_t buf_cv; void *regs; cap_irq_handle_t irq_handle; } pl011_t; extern errno_t pl011_add(pl011_t *, pl011_res_t *); extern errno_t pl011_remove(pl011_t *); extern errno_t pl011_gone(pl011_t *); #endif /** @} */