diff --git a/src/ipc/Makefile.am b/src/ipc/Makefile.am index 7d74b46f3..b67148407 100644 --- a/src/ipc/Makefile.am +++ b/src/ipc/Makefile.am @@ -68,6 +68,14 @@ libsof_ipc_a_SOURCES = \ dma-copy.c endif +if BUILD_SUECREEK +libsof_ipc_a_SOURCES = \ + ipc.c \ + handler.c \ + sue-ipc.c \ + dma-copy.c +endif + if BUILD_ICELAKE libsof_ipc_a_SOURCES = \ ipc.c \ diff --git a/src/ipc/sue-ipc.c b/src/ipc/sue-ipc.c new file mode 100644 index 000000000..f9d704095 --- /dev/null +++ b/src/ipc/sue-ipc.c @@ -0,0 +1,171 @@ +/* + * Copyright (c) 2017, 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 + * Keyon Jie + Rander Wang + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +extern struct ipc *_ipc; + +/* test code to check working IRQ */ +static void irq_handler(void *arg) +{ +} + +void ipc_platform_do_cmd(struct ipc *ipc) +{ + struct intel_ipc_data *iipc = ipc_get_drvdata(ipc); + struct sof_ipc_reply reply; + int32_t err; + + trace_ipc("Cmd"); + + /* perform command and return any error */ + err = ipc_cmd(); + if (err > 0) { + goto done; /* reply created and copied by cmd() */ + } else if (err < 0) { + /* send std error reply */ + reply.error = err; + } else if (err == 0) { + /* send std reply */ + reply.error = 0; + } + + /* send std error/ok reply */ + reply.hdr.cmd = SOF_IPC_GLB_REPLY; + reply.hdr.size = sizeof(reply); + mailbox_hostbox_write(0, &reply, sizeof(reply)); + +done: + ipc->host_pending = 0; + + // TODO: signal audio work to enter D3 in normal context + /* are we about to enter D3 ? */ + if (iipc->pm_prepare_D3) { + while (1) + wait_for_interrupt(0); + } + + tracev_ipc("CmD"); +} + +void ipc_platform_send_msg(struct ipc *ipc) +{ + struct ipc_msg *msg; + uint32_t flags; + + spin_lock_irq(&ipc->lock, flags); + + /* any messages to send ? */ + if (list_is_empty(&ipc->shared_ctx->msg_list)) { + ipc->shared_ctx->dsp_pending = 0; + goto out; + } + + /* now send the message */ + msg = list_first_item(&ipc->shared_ctx->msg_list, struct ipc_msg, + list); + mailbox_dspbox_write(0, msg->tx_data, msg->tx_size); + list_item_del(&msg->list); + ipc->shared_ctx->dsp_msg = msg; + tracev_ipc("Msg"); + + /* now interrupt host to tell it we have message sent */ + + list_item_append(&msg->list, &ipc->shared_ctx->empty_list); + +out: + spin_unlock_irq(&ipc->lock, flags); +} + +int platform_ipc_init(struct ipc *ipc) +{ + struct intel_ipc_data *iipc; + uint32_t dir, caps, dev; + + _ipc = ipc; + + /* init ipc data */ + iipc = rzalloc(RZONE_SYS, SOF_MEM_CAPS_RAM, + sizeof(struct intel_ipc_data)); + ipc_set_drvdata(_ipc, iipc); + + /* schedule */ + schedule_task_init(&_ipc->ipc_task, ipc_process_task, _ipc); + schedule_task_config(&_ipc->ipc_task, 0, 0); + +#ifdef CONFIG_HOST_PTABLE + /* allocate page table buffer */ + iipc->page_table = rballoc(RZONE_SYS, SOF_MEM_CAPS_RAM, + HOST_PAGE_SIZE); + if (iipc->page_table) + bzero(iipc->page_table, HOST_PAGE_SIZE); +#endif + + /* request HDA DMA with shared access privilege */ + caps = 0; + dir = DMA_DIR_HMEM_TO_LMEM; + dev = DMA_DEV_HOST; + iipc->dmac = dma_get(dir, caps, dev, DMA_ACCESS_SHARED); + + /* PM */ + iipc->pm_prepare_D3 = 0; + + /* configure interrupt */ + interrupt_register(PLATFORM_IPC_INTERRUPT, IRQ_AUTO_UNMASK, + irq_handler, NULL); + interrupt_enable(PLATFORM_IPC_INTERRUPT); + + /* enable IPC interrupts from host */ + + return 0; +}