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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/sof/sof-client-probes-ipc4.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/sof/sof-client-probes-ipc4.c')
-rw-r--r-- | sound/soc/sof/sof-client-probes-ipc4.c | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-client-probes-ipc4.c b/sound/soc/sof/sof-client-probes-ipc4.c new file mode 100644 index 0000000000..c56a85854d --- /dev/null +++ b/sound/soc/sof/sof-client-probes-ipc4.c @@ -0,0 +1,290 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2019-2022 Intel Corporation. All rights reserved. +// +// Author: Jyri Sarha <jyri.sarha@intel.com> +// + +#include <sound/soc.h> +#include <sound/sof/ipc4/header.h> +#include <uapi/sound/sof/header.h> +#include "sof-priv.h" +#include "ipc4-priv.h" +#include "sof-client.h" +#include "sof-client-probes.h" + +enum sof_ipc4_dma_type { + SOF_IPC4_DMA_HDA_HOST_OUTPUT = 0, + SOF_IPC4_DMA_HDA_HOST_INPUT = 1, + SOF_IPC4_DMA_HDA_LINK_OUTPUT = 8, + SOF_IPC4_DMA_HDA_LINK_INPUT = 9, + SOF_IPC4_DMA_DMIC_LINK_INPUT = 11, + SOF_IPC4_DMA_I2S_LINK_OUTPUT = 12, + SOF_IPC4_DMA_I2S_LINK_INPUT = 13, +}; + +enum sof_ipc4_probe_runtime_param { + SOF_IPC4_PROBE_INJECTION_DMA = 1, + SOF_IPC4_PROBE_INJECTION_DMA_DETACH, + SOF_IPC4_PROBE_POINTS, + SOF_IPC4_PROBE_POINTS_DISCONNECT, +}; + +struct sof_ipc4_probe_gtw_cfg { + u32 node_id; + u32 dma_buffer_size; +} __packed __aligned(4); + +#define SOF_IPC4_PROBE_NODE_ID_INDEX(x) ((x) & GENMASK(7, 0)) +#define SOF_IPC4_PROBE_NODE_ID_TYPE(x) (((x) << 8) & GENMASK(12, 8)) + +struct sof_ipc4_probe_cfg { + struct sof_ipc4_base_module_cfg base; + struct sof_ipc4_probe_gtw_cfg gtw_cfg; +} __packed __aligned(4); + +enum sof_ipc4_probe_type { + SOF_IPC4_PROBE_TYPE_INPUT = 0, + SOF_IPC4_PROBE_TYPE_OUTPUT, + SOF_IPC4_PROBE_TYPE_INTERNAL +}; + +struct sof_ipc4_probe_point { + u32 point_id; + u32 purpose; + u32 stream_tag; +} __packed __aligned(4); + +#define INVALID_PIPELINE_ID 0xFF + +/** + * sof_ipc4_probe_get_module_info - Get IPC4 module info for probe module + * @cdev: SOF client device + * @return: Pointer to IPC4 probe module info + * + * Look up the IPC4 probe module info based on the hard coded uuid and + * store the value for the future calls. + */ +static struct sof_man4_module *sof_ipc4_probe_get_module_info(struct sof_client_dev *cdev) +{ + struct sof_probes_priv *priv = cdev->data; + struct device *dev = &cdev->auxdev.dev; + static const guid_t probe_uuid = + GUID_INIT(0x7CAD0808, 0xAB10, 0xCD23, + 0xEF, 0x45, 0x12, 0xAB, 0x34, 0xCD, 0x56, 0xEF); + + if (!priv->ipc_priv) { + struct sof_ipc4_fw_module *fw_module = + sof_client_ipc4_find_module(cdev, &probe_uuid); + + if (!fw_module) { + dev_err(dev, "%s: no matching uuid found", __func__); + return NULL; + } + + priv->ipc_priv = &fw_module->man4_module_entry; + } + + return (struct sof_man4_module *)priv->ipc_priv; +} + +/** + * ipc4_probes_init - initialize data probing + * @cdev: SOF client device + * @stream_tag: Extractor stream tag + * @buffer_size: DMA buffer size to set for extractor + * @return: 0 on success, negative error code on error + * + * Host chooses whether extraction is supported or not by providing + * valid stream tag to DSP. Once specified, stream described by that + * tag will be tied to DSP for extraction for the entire lifetime of + * probe. + * + * Probing is initialized only once and each INIT request must be + * matched by DEINIT call. + */ +static int ipc4_probes_init(struct sof_client_dev *cdev, u32 stream_tag, + size_t buffer_size) +{ + struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev); + struct sof_ipc4_msg msg; + struct sof_ipc4_probe_cfg cfg; + + if (!mentry) + return -ENODEV; + + memset(&cfg, '\0', sizeof(cfg)); + cfg.gtw_cfg.node_id = SOF_IPC4_PROBE_NODE_ID_INDEX(stream_tag - 1) | + SOF_IPC4_PROBE_NODE_ID_TYPE(SOF_IPC4_DMA_HDA_HOST_INPUT); + + cfg.gtw_cfg.dma_buffer_size = buffer_size; + + msg.primary = mentry->id; + msg.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_INIT_INSTANCE); + msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); + msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); + msg.extension = SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(INVALID_PIPELINE_ID); + msg.extension |= SOF_IPC4_MOD_EXT_CORE_ID(0); + + msg.data_size = sizeof(cfg); + msg.data_ptr = &cfg; + + return sof_client_ipc_tx_message_no_reply(cdev, &msg); +} + +/** + * ipc4_probes_deinit - cleanup after data probing + * @cdev: SOF client device + * @return: 0 on success, negative error code on error + * + * Host sends DEINIT request to free previously initialized probe + * on DSP side once it is no longer needed. DEINIT only when there + * are no probes connected and with all injectors detached. + */ +static int ipc4_probes_deinit(struct sof_client_dev *cdev) +{ + struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev); + struct sof_ipc4_msg msg; + + if (!mentry) + return -ENODEV; + + msg.primary = mentry->id; + msg.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_DELETE_INSTANCE); + msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); + msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); + msg.extension = SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(INVALID_PIPELINE_ID); + msg.extension |= SOF_IPC4_MOD_EXT_CORE_ID(0); + + msg.data_size = 0; + msg.data_ptr = NULL; + + return sof_client_ipc_tx_message_no_reply(cdev, &msg); +} + +/** + * ipc4_probes_points_info - retrieve list of active probe points + * @cdev: SOF client device + * @desc: Returned list of active probes + * @num_desc: Returned count of active probes + * @return: 0 on success, negative error code on error + * + * Dummy implementation returning empty list of probes. + */ +static int ipc4_probes_points_info(struct sof_client_dev *cdev, + struct sof_probe_point_desc **desc, + size_t *num_desc) +{ + /* TODO: Firmware side implementation needed first */ + *desc = NULL; + *num_desc = 0; + return 0; +} + +/** + * ipc4_probes_points_add - connect specified probes + * @cdev: SOF client device + * @desc: List of probe points to connect + * @num_desc: Number of elements in @desc + * @return: 0 on success, negative error code on error + * + * Translates the generic probe point presentation to an IPC4 + * message to dynamically connect the provided set of endpoints. + */ +static int ipc4_probes_points_add(struct sof_client_dev *cdev, + struct sof_probe_point_desc *desc, + size_t num_desc) +{ + struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev); + struct sof_ipc4_probe_point *points; + struct sof_ipc4_msg msg; + int i, ret; + + if (!mentry) + return -ENODEV; + + /* The sof_probe_point_desc and sof_ipc4_probe_point structs + * are of same size and even the integers are the same in the + * same order, and similar meaning, but since there is no + * performance issue I wrote the conversion explicitly open for + * future development. + */ + points = kcalloc(num_desc, sizeof(*points), GFP_KERNEL); + if (!points) + return -ENOMEM; + + for (i = 0; i < num_desc; i++) { + points[i].point_id = desc[i].buffer_id; + points[i].purpose = desc[i].purpose; + points[i].stream_tag = desc[i].stream_tag; + } + + msg.primary = mentry->id; + msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); + msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); + + msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_PROBE_POINTS); + + msg.data_size = sizeof(*points) * num_desc; + msg.data_ptr = points; + + ret = sof_client_ipc_set_get_data(cdev, &msg, true); + + kfree(points); + + return ret; +} + +/** + * ipc4_probes_points_remove - disconnect specified probes + * @cdev: SOF client device + * @buffer_id: List of probe points to disconnect + * @num_buffer_id: Number of elements in @desc + * @return: 0 on success, negative error code on error + * + * Converts the generic buffer_id to IPC4 probe_point_id and remove + * the probe points with an IPC4 for message. + */ +static int ipc4_probes_points_remove(struct sof_client_dev *cdev, + unsigned int *buffer_id, size_t num_buffer_id) +{ + struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev); + struct sof_ipc4_msg msg; + u32 *probe_point_ids; + int i, ret; + + if (!mentry) + return -ENODEV; + + probe_point_ids = kcalloc(num_buffer_id, sizeof(*probe_point_ids), + GFP_KERNEL); + if (!probe_point_ids) + return -ENOMEM; + + for (i = 0; i < num_buffer_id; i++) + probe_point_ids[i] = buffer_id[i]; + + msg.primary = mentry->id; + msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); + msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); + + msg.extension = + SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_PROBE_POINTS_DISCONNECT); + + msg.data_size = num_buffer_id * sizeof(*probe_point_ids); + msg.data_ptr = probe_point_ids; + + ret = sof_client_ipc_set_get_data(cdev, &msg, true); + + kfree(probe_point_ids); + + return ret; +} + +const struct sof_probes_ipc_ops ipc4_probe_ops = { + .init = ipc4_probes_init, + .deinit = ipc4_probes_deinit, + .points_info = ipc4_probes_points_info, + .points_add = ipc4_probes_points_add, + .points_remove = ipc4_probes_points_remove, +}; |