| /* |
| * Copyright (c) 2016, Intel Corporation |
| * 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. |
| * * Neither the name of the Intel Corporation nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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. |
| * |
| * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> |
| * Xiuli Pan <xiuli.pan@linux.intel.com> |
| */ |
| |
| #ifndef __INCLUDE_MAILBOX__ |
| #define __INCLUDE_MAILBOX__ |
| |
| #include <platform/mailbox.h> |
| #include <arch/cache.h> |
| #include <stdint.h> |
| #include <sof/string.h> |
| |
| /* For those platform did not have SW_REG window, use DEBUG at now */ |
| #ifndef MAILBOX_SW_REG_BASE |
| #define MAILBOX_SW_REG_BASE MAILBOX_DEBUG_BASE |
| #endif /* MAILBOX_SW_REG_BASE */ |
| |
| /* 4k should be enough for everyone ..... */ |
| #define IPC_MAX_MAILBOX_BYTES 0x1000 |
| |
| #define mailbox_get_exception_base() \ |
| MAILBOX_EXCEPTION_BASE |
| |
| #define mailbox_get_exception_size() \ |
| MAILBOX_EXCEPTION_SIZE |
| |
| #define mailbox_get_dspbox_base() \ |
| MAILBOX_DSPBOX_BASE |
| |
| #define mailbox_get_dspbox_size() \ |
| MAILBOX_DSPBOX_SIZE |
| |
| #define mailbox_get_hostbox_base() \ |
| MAILBOX_HOSTBOX_BASE |
| |
| #define mailbox_get_hostbox_size() \ |
| MAILBOX_HOSTBOX_SIZE |
| |
| #define mailbox_get_debug_base() \ |
| MAILBOX_DEBUG_BASE |
| |
| #define mailbox_get_debug_size() \ |
| MAILBOX_DEBUG_SIZE |
| |
| static inline |
| void mailbox_dspbox_write(size_t offset, const void *src, size_t bytes) |
| { |
| rmemcpy((void *)(MAILBOX_DSPBOX_BASE + offset), src, bytes); |
| dcache_writeback_region((void *)(MAILBOX_DSPBOX_BASE + offset), bytes); |
| } |
| |
| static inline |
| void mailbox_dspbox_read(void *dest, size_t offset, size_t bytes) |
| { |
| dcache_invalidate_region((void *)(MAILBOX_DSPBOX_BASE + offset), bytes); |
| rmemcpy(dest, (void *)(MAILBOX_DSPBOX_BASE + offset), bytes); |
| } |
| |
| static inline |
| void mailbox_hostbox_write(size_t offset, const void *src, size_t bytes) |
| { |
| rmemcpy((void *)(MAILBOX_HOSTBOX_BASE + offset), src, bytes); |
| dcache_writeback_region((void *)(MAILBOX_HOSTBOX_BASE + offset), bytes); |
| } |
| |
| static inline |
| void mailbox_hostbox_read(void *dest, size_t offset, size_t bytes) |
| { |
| dcache_invalidate_region((void *)(MAILBOX_HOSTBOX_BASE + offset), |
| bytes); |
| rmemcpy(dest, (void *)(MAILBOX_HOSTBOX_BASE + offset), bytes); |
| } |
| |
| static inline |
| void mailbox_stream_write(size_t offset, const void *src, size_t bytes) |
| { |
| rmemcpy((void *)(MAILBOX_STREAM_BASE + offset), src, bytes); |
| dcache_writeback_region((void *)(MAILBOX_STREAM_BASE + offset), |
| bytes); |
| } |
| |
| static inline |
| void mailbox_sw_reg_write(size_t offset, uint32_t src) |
| { |
| *((volatile uint32_t*)(MAILBOX_SW_REG_BASE + offset)) = src; |
| dcache_writeback_region((void *)(MAILBOX_SW_REG_BASE + offset), |
| sizeof(src)); |
| } |
| |
| #endif |