282 lines
8.1 KiB
C
282 lines
8.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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//
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// Copyright(c) 2019-2022 Intel Corporation. All rights reserved.
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//
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// Author: Jyri Sarha <jyri.sarha@intel.com>
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//
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#include <sound/soc.h>
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#include <sound/sof/ipc4/header.h>
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#include <uapi/sound/sof/header.h>
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#include "sof-priv.h"
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#include "ipc4-priv.h"
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#include "sof-client.h"
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#include "sof-client-probes.h"
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enum sof_ipc4_dma_type {
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SOF_IPC4_DMA_HDA_HOST_OUTPUT = 0,
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SOF_IPC4_DMA_HDA_HOST_INPUT = 1,
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SOF_IPC4_DMA_HDA_LINK_OUTPUT = 8,
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SOF_IPC4_DMA_HDA_LINK_INPUT = 9,
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SOF_IPC4_DMA_DMIC_LINK_INPUT = 11,
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SOF_IPC4_DMA_I2S_LINK_OUTPUT = 12,
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SOF_IPC4_DMA_I2S_LINK_INPUT = 13,
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};
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enum sof_ipc4_probe_runtime_param {
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SOF_IPC4_PROBE_INJECTION_DMA = 1,
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SOF_IPC4_PROBE_INJECTION_DMA_DETACH,
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SOF_IPC4_PROBE_POINTS,
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SOF_IPC4_PROBE_POINTS_DISCONNECT,
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};
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struct sof_ipc4_probe_gtw_cfg {
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u32 node_id;
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u32 dma_buffer_size;
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} __packed __aligned(4);
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#define SOF_IPC4_PROBE_NODE_ID_INDEX(x) ((x) & GENMASK(7, 0))
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#define SOF_IPC4_PROBE_NODE_ID_TYPE(x) (((x) << 8) & GENMASK(12, 8))
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struct sof_ipc4_probe_cfg {
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struct sof_ipc4_base_module_cfg base;
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struct sof_ipc4_probe_gtw_cfg gtw_cfg;
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} __packed __aligned(4);
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enum sof_ipc4_probe_type {
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SOF_IPC4_PROBE_TYPE_INPUT = 0,
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SOF_IPC4_PROBE_TYPE_OUTPUT,
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SOF_IPC4_PROBE_TYPE_INTERNAL
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};
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struct sof_ipc4_probe_point {
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u32 point_id;
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u32 purpose;
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u32 stream_tag;
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} __packed __aligned(4);
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#define INVALID_PIPELINE_ID 0xFF
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/**
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* sof_ipc4_probe_get_module_info - Get IPC4 module info for probe module
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* @cdev: SOF client device
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* @return: Pointer to IPC4 probe module info
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*
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* Look up the IPC4 probe module info based on the hard coded uuid and
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* store the value for the future calls.
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*/
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static struct sof_man4_module *sof_ipc4_probe_get_module_info(struct sof_client_dev *cdev)
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{
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struct sof_probes_priv *priv = cdev->data;
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struct device *dev = &cdev->auxdev.dev;
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static const guid_t probe_uuid =
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GUID_INIT(0x7CAD0808, 0xAB10, 0xCD23,
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0xEF, 0x45, 0x12, 0xAB, 0x34, 0xCD, 0x56, 0xEF);
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if (!priv->ipc_priv) {
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struct sof_ipc4_fw_module *fw_module =
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sof_client_ipc4_find_module(cdev, &probe_uuid);
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if (!fw_module) {
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dev_err(dev, "%s: no matching uuid found", __func__);
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return NULL;
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}
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priv->ipc_priv = &fw_module->man4_module_entry;
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}
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return (struct sof_man4_module *)priv->ipc_priv;
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}
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/**
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* ipc4_probes_init - initialize data probing
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* @cdev: SOF client device
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* @stream_tag: Extractor stream tag
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* @buffer_size: DMA buffer size to set for extractor
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* @return: 0 on success, negative error code on error
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*
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* Host chooses whether extraction is supported or not by providing
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* valid stream tag to DSP. Once specified, stream described by that
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* tag will be tied to DSP for extraction for the entire lifetime of
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* probe.
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*
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* Probing is initialized only once and each INIT request must be
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* matched by DEINIT call.
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*/
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static int ipc4_probes_init(struct sof_client_dev *cdev, u32 stream_tag,
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size_t buffer_size)
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{
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struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev);
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struct sof_ipc4_msg msg;
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struct sof_ipc4_probe_cfg cfg;
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if (!mentry)
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return -ENODEV;
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memset(&cfg, '\0', sizeof(cfg));
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cfg.gtw_cfg.node_id = SOF_IPC4_PROBE_NODE_ID_INDEX(stream_tag - 1) |
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SOF_IPC4_PROBE_NODE_ID_TYPE(SOF_IPC4_DMA_HDA_HOST_INPUT);
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cfg.gtw_cfg.dma_buffer_size = buffer_size;
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msg.primary = mentry->id;
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msg.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_INIT_INSTANCE);
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msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
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msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
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msg.extension = SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(INVALID_PIPELINE_ID);
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msg.extension |= SOF_IPC4_MOD_EXT_CORE_ID(0);
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msg.data_size = sizeof(cfg);
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msg.data_ptr = &cfg;
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return sof_client_ipc_tx_message(cdev, &msg, NULL, 0);
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}
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/**
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* ipc4_probes_deinit - cleanup after data probing
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* @cdev: SOF client device
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* @return: 0 on success, negative error code on error
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*
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* Host sends DEINIT request to free previously initialized probe
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* on DSP side once it is no longer needed. DEINIT only when there
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* are no probes connected and with all injectors detached.
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*/
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static int ipc4_probes_deinit(struct sof_client_dev *cdev)
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{
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struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev);
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struct sof_ipc4_msg msg;
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msg.primary = mentry->id;
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msg.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_DELETE_INSTANCE);
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msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
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msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
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msg.extension = SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(INVALID_PIPELINE_ID);
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msg.extension |= SOF_IPC4_MOD_EXT_CORE_ID(0);
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msg.data_size = 0;
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msg.data_ptr = NULL;
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return sof_client_ipc_tx_message(cdev, &msg, NULL, 0);
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}
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/**
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* ipc4_probes_points_info - retrieve list of active probe points
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* @cdev: SOF client device
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* @desc: Returned list of active probes
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* @num_desc: Returned count of active probes
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* @return: 0 on success, negative error code on error
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*
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* Dummy implementation returning empty list of probes.
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*/
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static int ipc4_probes_points_info(struct sof_client_dev *cdev,
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struct sof_probe_point_desc **desc,
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size_t *num_desc)
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{
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/* TODO: Firmware side implementation needed first */
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*desc = NULL;
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*num_desc = 0;
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return 0;
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}
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/**
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* ipc4_probes_points_add - connect specified probes
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* @cdev: SOF client device
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* @desc: List of probe points to connect
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* @num_desc: Number of elements in @desc
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* @return: 0 on success, negative error code on error
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*
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* Translates the generic probe point presentation to an IPC4
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* message to dynamically connect the provided set of endpoints.
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*/
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static int ipc4_probes_points_add(struct sof_client_dev *cdev,
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struct sof_probe_point_desc *desc,
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size_t num_desc)
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{
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struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev);
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struct sof_ipc4_probe_point *points;
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struct sof_ipc4_msg msg;
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int i, ret;
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/* The sof_probe_point_desc and sof_ipc4_probe_point structs
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* are of same size and even the integers are the same in the
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* same order, and similar meaning, but since there is no
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* performance issue I wrote the conversion explicitly open for
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* future development.
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*/
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points = kcalloc(num_desc, sizeof(*points), GFP_KERNEL);
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if (!points)
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return -ENOMEM;
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for (i = 0; i < num_desc; i++) {
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points[i].point_id = desc[i].buffer_id;
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points[i].purpose = desc[i].purpose;
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points[i].stream_tag = desc[i].stream_tag;
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}
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msg.primary = mentry->id;
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msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
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msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
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msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_PROBE_POINTS);
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msg.data_size = sizeof(*points) * num_desc;
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msg.data_ptr = points;
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ret = sof_client_ipc_set_get_data(cdev, &msg, true);
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kfree(points);
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return ret;
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}
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/**
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* ipc4_probes_points_remove - disconnect specified probes
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* @cdev: SOF client device
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* @buffer_id: List of probe points to disconnect
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* @num_buffer_id: Number of elements in @desc
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* @return: 0 on success, negative error code on error
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*
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* Converts the generic buffer_id to IPC4 probe_point_id and remove
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* the probe points with an IPC4 for message.
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*/
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static int ipc4_probes_points_remove(struct sof_client_dev *cdev,
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unsigned int *buffer_id, size_t num_buffer_id)
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{
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struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev);
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struct sof_ipc4_msg msg;
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u32 *probe_point_ids;
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int i, ret;
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probe_point_ids = kcalloc(num_buffer_id, sizeof(*probe_point_ids),
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GFP_KERNEL);
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if (!probe_point_ids)
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return -ENOMEM;
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for (i = 0; i < num_buffer_id; i++)
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probe_point_ids[i] = buffer_id[i];
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msg.primary = mentry->id;
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msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
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msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
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msg.extension =
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SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_PROBE_POINTS_DISCONNECT);
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msg.data_size = num_buffer_id * sizeof(*probe_point_ids);
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msg.data_ptr = probe_point_ids;
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ret = sof_client_ipc_set_get_data(cdev, &msg, true);
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kfree(probe_point_ids);
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return ret;
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}
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const struct sof_probes_ipc_ops ipc4_probe_ops = {
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.init = ipc4_probes_init,
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.deinit = ipc4_probes_deinit,
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.points_info = ipc4_probes_points_info,
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.points_add = ipc4_probes_points_add,
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.points_remove = ipc4_probes_points_remove,
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};
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