| /* |
| * 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: Yan Wang <yan.wang@linux.intel.com> |
| */ |
| |
| #ifndef __INCLUDE_DMA_TRACE__ |
| #define __INCLUDE_DMA_TRACE__ |
| |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <sof/sof.h> |
| #include <sof/list.h> |
| #include <sof/mailbox.h> |
| #include <sof/debug.h> |
| #include <sof/timer.h> |
| #include <sof/dma.h> |
| #include <sof/work.h> |
| #include <platform/platform.h> |
| #include <platform/timer.h> |
| |
| struct dma_trace_buf { |
| void *w_ptr; /* buffer write pointer */ |
| void *r_ptr; /* buffer read position */ |
| void *addr; /* buffer base address */ |
| void *end_addr; /* buffer end address */ |
| uint32_t size; /* size of buffer in bytes */ |
| uint32_t avail; /* avail bytes in buffer */ |
| }; |
| |
| struct dma_trace_data { |
| struct dma_sg_config config; |
| struct dma_trace_buf dmatb; |
| struct dma_copy dc; |
| uint32_t old_host_offset; |
| uint32_t host_offset; |
| uint32_t overflow; |
| uint32_t messages; |
| uint32_t host_size; |
| struct work dmat_work; |
| uint32_t enabled; |
| uint32_t copy_in_progress; |
| uint32_t stream_tag; |
| spinlock_t lock; |
| }; |
| |
| int dma_trace_init_early(struct sof *sof); |
| int dma_trace_init_complete(struct dma_trace_data *d); |
| int dma_trace_host_buffer(struct dma_trace_data *d, struct dma_sg_elem *elem, |
| uint32_t host_size); |
| int dma_trace_enable(struct dma_trace_data *d); |
| void dma_trace_flush(void *t); |
| |
| void dtrace_event(const char *e, uint32_t size); |
| void dtrace_event_atomic(const char *e, uint32_t length); |
| |
| #endif |