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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/intel/skylake/skl-messages.c
parentInitial commit. (diff)
downloadlinux-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/intel/skylake/skl-messages.c')
-rw-r--r--sound/soc/intel/skylake/skl-messages.c1419
1 files changed, 1419 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
new file mode 100644
index 0000000000..fc2eb04da1
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -0,0 +1,1419 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * skl-message.c - HDA DSP interface for FW registration, Pipe and Module
+ * configurations
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
+ * Jeeja KP <jeeja.kp@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <uapi/sound/skl-tplg-interface.h>
+#include "skl-sst-dsp.h"
+#include "cnl-sst-dsp.h"
+#include "skl-sst-ipc.h"
+#include "skl.h"
+#include "../common/sst-dsp.h"
+#include "../common/sst-dsp-priv.h"
+#include "skl-topology.h"
+
+static int skl_alloc_dma_buf(struct device *dev,
+ struct snd_dma_buffer *dmab, size_t size)
+{
+ return snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dev, size, dmab);
+}
+
+static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
+{
+ snd_dma_free_pages(dmab);
+ return 0;
+}
+
+#define SKL_ASTATE_PARAM_ID 4
+
+void skl_dsp_set_astate_cfg(struct skl_dev *skl, u32 cnt, void *data)
+{
+ struct skl_ipc_large_config_msg msg = {0};
+
+ msg.large_param_id = SKL_ASTATE_PARAM_ID;
+ msg.param_data_size = (cnt * sizeof(struct skl_astate_param) +
+ sizeof(cnt));
+
+ skl_ipc_set_large_config(&skl->ipc, &msg, data);
+}
+
+static int skl_dsp_setup_spib(struct device *dev, unsigned int size,
+ int stream_tag, int enable)
+{
+ struct hdac_bus *bus = dev_get_drvdata(dev);
+ struct hdac_stream *stream = snd_hdac_get_stream(bus,
+ SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
+
+ if (!stream)
+ return -EINVAL;
+
+ /* enable/disable SPIB for this hdac stream */
+ snd_hdac_stream_spbcap_enable(bus, enable, stream->index);
+
+ /* set the spib value */
+ snd_hdac_stream_set_spib(bus, stream, size);
+
+ return 0;
+}
+
+static int skl_dsp_prepare(struct device *dev, unsigned int format,
+ unsigned int size, struct snd_dma_buffer *dmab)
+{
+ struct hdac_bus *bus = dev_get_drvdata(dev);
+ struct hdac_ext_stream *estream;
+ struct hdac_stream *stream;
+ struct snd_pcm_substream substream;
+ int ret;
+
+ if (!bus)
+ return -ENODEV;
+
+ memset(&substream, 0, sizeof(substream));
+ substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+
+ estream = snd_hdac_ext_stream_assign(bus, &substream,
+ HDAC_EXT_STREAM_TYPE_HOST);
+ if (!estream)
+ return -ENODEV;
+
+ stream = hdac_stream(estream);
+
+ /* assign decouple host dma channel */
+ ret = snd_hdac_dsp_prepare(stream, format, size, dmab);
+ if (ret < 0)
+ return ret;
+
+ skl_dsp_setup_spib(dev, size, stream->stream_tag, true);
+
+ return stream->stream_tag;
+}
+
+static int skl_dsp_trigger(struct device *dev, bool start, int stream_tag)
+{
+ struct hdac_bus *bus = dev_get_drvdata(dev);
+ struct hdac_stream *stream;
+
+ if (!bus)
+ return -ENODEV;
+
+ stream = snd_hdac_get_stream(bus,
+ SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
+ if (!stream)
+ return -EINVAL;
+
+ snd_hdac_dsp_trigger(stream, start);
+
+ return 0;
+}
+
+static int skl_dsp_cleanup(struct device *dev,
+ struct snd_dma_buffer *dmab, int stream_tag)
+{
+ struct hdac_bus *bus = dev_get_drvdata(dev);
+ struct hdac_stream *stream;
+ struct hdac_ext_stream *estream;
+
+ if (!bus)
+ return -ENODEV;
+
+ stream = snd_hdac_get_stream(bus,
+ SNDRV_PCM_STREAM_PLAYBACK, stream_tag);
+ if (!stream)
+ return -EINVAL;
+
+ estream = stream_to_hdac_ext_stream(stream);
+ skl_dsp_setup_spib(dev, 0, stream_tag, false);
+ snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST);
+
+ snd_hdac_dsp_cleanup(stream, dmab);
+
+ return 0;
+}
+
+static struct skl_dsp_loader_ops skl_get_loader_ops(void)
+{
+ struct skl_dsp_loader_ops loader_ops;
+
+ memset(&loader_ops, 0, sizeof(struct skl_dsp_loader_ops));
+
+ loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
+ loader_ops.free_dma_buf = skl_free_dma_buf;
+
+ return loader_ops;
+};
+
+static struct skl_dsp_loader_ops bxt_get_loader_ops(void)
+{
+ struct skl_dsp_loader_ops loader_ops;
+
+ memset(&loader_ops, 0, sizeof(loader_ops));
+
+ loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
+ loader_ops.free_dma_buf = skl_free_dma_buf;
+ loader_ops.prepare = skl_dsp_prepare;
+ loader_ops.trigger = skl_dsp_trigger;
+ loader_ops.cleanup = skl_dsp_cleanup;
+
+ return loader_ops;
+};
+
+static const struct skl_dsp_ops dsp_ops[] = {
+ {
+ .id = PCI_DEVICE_ID_INTEL_HDA_SKL_LP,
+ .num_cores = 2,
+ .loader_ops = skl_get_loader_ops,
+ .init = skl_sst_dsp_init,
+ .init_fw = skl_sst_init_fw,
+ .cleanup = skl_sst_dsp_cleanup
+ },
+ {
+ .id = PCI_DEVICE_ID_INTEL_HDA_KBL_LP,
+ .num_cores = 2,
+ .loader_ops = skl_get_loader_ops,
+ .init = skl_sst_dsp_init,
+ .init_fw = skl_sst_init_fw,
+ .cleanup = skl_sst_dsp_cleanup
+ },
+ {
+ .id = PCI_DEVICE_ID_INTEL_HDA_APL,
+ .num_cores = 2,
+ .loader_ops = bxt_get_loader_ops,
+ .init = bxt_sst_dsp_init,
+ .init_fw = bxt_sst_init_fw,
+ .cleanup = bxt_sst_dsp_cleanup
+ },
+ {
+ .id = PCI_DEVICE_ID_INTEL_HDA_GML,
+ .num_cores = 2,
+ .loader_ops = bxt_get_loader_ops,
+ .init = bxt_sst_dsp_init,
+ .init_fw = bxt_sst_init_fw,
+ .cleanup = bxt_sst_dsp_cleanup
+ },
+ {
+ .id = PCI_DEVICE_ID_INTEL_HDA_CNL_LP,
+ .num_cores = 4,
+ .loader_ops = bxt_get_loader_ops,
+ .init = cnl_sst_dsp_init,
+ .init_fw = cnl_sst_init_fw,
+ .cleanup = cnl_sst_dsp_cleanup
+ },
+ {
+ .id = PCI_DEVICE_ID_INTEL_HDA_CNL_H,
+ .num_cores = 4,
+ .loader_ops = bxt_get_loader_ops,
+ .init = cnl_sst_dsp_init,
+ .init_fw = cnl_sst_init_fw,
+ .cleanup = cnl_sst_dsp_cleanup
+ },
+ {
+ .id = PCI_DEVICE_ID_INTEL_HDA_CML_LP,
+ .num_cores = 4,
+ .loader_ops = bxt_get_loader_ops,
+ .init = cnl_sst_dsp_init,
+ .init_fw = cnl_sst_init_fw,
+ .cleanup = cnl_sst_dsp_cleanup
+ },
+ {
+ .id = PCI_DEVICE_ID_INTEL_HDA_CML_H,
+ .num_cores = 4,
+ .loader_ops = bxt_get_loader_ops,
+ .init = cnl_sst_dsp_init,
+ .init_fw = cnl_sst_init_fw,
+ .cleanup = cnl_sst_dsp_cleanup
+ },
+};
+
+const struct skl_dsp_ops *skl_get_dsp_ops(int pci_id)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dsp_ops); i++) {
+ if (dsp_ops[i].id == pci_id)
+ return &dsp_ops[i];
+ }
+
+ return NULL;
+}
+
+int skl_init_dsp(struct skl_dev *skl)
+{
+ void __iomem *mmio_base;
+ struct hdac_bus *bus = skl_to_bus(skl);
+ struct skl_dsp_loader_ops loader_ops;
+ int irq = bus->irq;
+ const struct skl_dsp_ops *ops;
+ struct skl_dsp_cores *cores;
+ int ret;
+
+ /* enable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_enable(bus, true);
+ snd_hdac_ext_bus_ppcap_int_enable(bus, true);
+
+ /* read the BAR of the ADSP MMIO */
+ mmio_base = pci_ioremap_bar(skl->pci, 4);
+ if (mmio_base == NULL) {
+ dev_err(bus->dev, "ioremap error\n");
+ return -ENXIO;
+ }
+
+ ops = skl_get_dsp_ops(skl->pci->device);
+ if (!ops) {
+ ret = -EIO;
+ goto unmap_mmio;
+ }
+
+ loader_ops = ops->loader_ops();
+ ret = ops->init(bus->dev, mmio_base, irq,
+ skl->fw_name, loader_ops,
+ &skl);
+
+ if (ret < 0)
+ goto unmap_mmio;
+
+ skl->dsp_ops = ops;
+ cores = &skl->cores;
+ cores->count = ops->num_cores;
+
+ cores->state = kcalloc(cores->count, sizeof(*cores->state), GFP_KERNEL);
+ if (!cores->state) {
+ ret = -ENOMEM;
+ goto unmap_mmio;
+ }
+
+ cores->usage_count = kcalloc(cores->count, sizeof(*cores->usage_count),
+ GFP_KERNEL);
+ if (!cores->usage_count) {
+ ret = -ENOMEM;
+ goto free_core_state;
+ }
+
+ dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
+
+ return 0;
+
+free_core_state:
+ kfree(cores->state);
+
+unmap_mmio:
+ iounmap(mmio_base);
+
+ return ret;
+}
+
+int skl_free_dsp(struct skl_dev *skl)
+{
+ struct hdac_bus *bus = skl_to_bus(skl);
+
+ /* disable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_int_enable(bus, false);
+
+ skl->dsp_ops->cleanup(bus->dev, skl);
+
+ kfree(skl->cores.state);
+ kfree(skl->cores.usage_count);
+
+ if (skl->dsp->addr.lpe)
+ iounmap(skl->dsp->addr.lpe);
+
+ return 0;
+}
+
+/*
+ * In the case of "suspend_active" i.e, the Audio IP being active
+ * during system suspend, immediately excecute any pending D0i3 work
+ * before suspending. This is needed for the IP to work in low power
+ * mode during system suspend. In the case of normal suspend, cancel
+ * any pending D0i3 work.
+ */
+int skl_suspend_late_dsp(struct skl_dev *skl)
+{
+ struct delayed_work *dwork;
+
+ if (!skl)
+ return 0;
+
+ dwork = &skl->d0i3.work;
+
+ if (dwork->work.func) {
+ if (skl->supend_active)
+ flush_delayed_work(dwork);
+ else
+ cancel_delayed_work_sync(dwork);
+ }
+
+ return 0;
+}
+
+int skl_suspend_dsp(struct skl_dev *skl)
+{
+ struct hdac_bus *bus = skl_to_bus(skl);
+ int ret;
+
+ /* if ppcap is not supported return 0 */
+ if (!bus->ppcap)
+ return 0;
+
+ ret = skl_dsp_sleep(skl->dsp);
+ if (ret < 0)
+ return ret;
+
+ /* disable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_int_enable(bus, false);
+ snd_hdac_ext_bus_ppcap_enable(bus, false);
+
+ return 0;
+}
+
+int skl_resume_dsp(struct skl_dev *skl)
+{
+ struct hdac_bus *bus = skl_to_bus(skl);
+ int ret;
+
+ /* if ppcap is not supported return 0 */
+ if (!bus->ppcap)
+ return 0;
+
+ /* enable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_enable(bus, true);
+ snd_hdac_ext_bus_ppcap_int_enable(bus, true);
+
+ /* check if DSP 1st boot is done */
+ if (skl->is_first_boot)
+ return 0;
+
+ /*
+ * Disable dynamic clock and power gating during firmware
+ * and library download
+ */
+ skl->enable_miscbdcge(skl->dev, false);
+ skl->clock_power_gating(skl->dev, false);
+
+ ret = skl_dsp_wake(skl->dsp);
+ skl->enable_miscbdcge(skl->dev, true);
+ skl->clock_power_gating(skl->dev, true);
+ if (ret < 0)
+ return ret;
+
+ if (skl->cfg.astate_cfg != NULL) {
+ skl_dsp_set_astate_cfg(skl, skl->cfg.astate_cfg->count,
+ skl->cfg.astate_cfg);
+ }
+ return ret;
+}
+
+enum skl_bitdepth skl_get_bit_depth(int params)
+{
+ switch (params) {
+ case 8:
+ return SKL_DEPTH_8BIT;
+
+ case 16:
+ return SKL_DEPTH_16BIT;
+
+ case 24:
+ return SKL_DEPTH_24BIT;
+
+ case 32:
+ return SKL_DEPTH_32BIT;
+
+ default:
+ return SKL_DEPTH_INVALID;
+
+ }
+}
+
+/*
+ * Each module in DSP expects a base module configuration, which consists of
+ * PCM format information, which we calculate in driver and resource values
+ * which are read from widget information passed through topology binary
+ * This is send when we create a module with INIT_INSTANCE IPC msg
+ */
+static void skl_set_base_module_format(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig,
+ struct skl_base_cfg *base_cfg)
+{
+ struct skl_module *module = mconfig->module;
+ struct skl_module_res *res = &module->resources[mconfig->res_idx];
+ struct skl_module_iface *fmt = &module->formats[mconfig->fmt_idx];
+ struct skl_module_fmt *format = &fmt->inputs[0].fmt;
+
+ base_cfg->audio_fmt.number_of_channels = format->channels;
+
+ base_cfg->audio_fmt.s_freq = format->s_freq;
+ base_cfg->audio_fmt.bit_depth = format->bit_depth;
+ base_cfg->audio_fmt.valid_bit_depth = format->valid_bit_depth;
+ base_cfg->audio_fmt.ch_cfg = format->ch_cfg;
+ base_cfg->audio_fmt.sample_type = format->sample_type;
+
+ dev_dbg(skl->dev, "bit_depth=%x valid_bd=%x ch_config=%x\n",
+ format->bit_depth, format->valid_bit_depth,
+ format->ch_cfg);
+
+ base_cfg->audio_fmt.channel_map = format->ch_map;
+
+ base_cfg->audio_fmt.interleaving = format->interleaving_style;
+
+ base_cfg->cpc = res->cpc;
+ base_cfg->ibs = res->ibs;
+ base_cfg->obs = res->obs;
+ base_cfg->is_pages = res->is_pages;
+}
+
+static void fill_pin_params(struct skl_audio_data_format *pin_fmt,
+ struct skl_module_fmt *format)
+{
+ pin_fmt->number_of_channels = format->channels;
+ pin_fmt->s_freq = format->s_freq;
+ pin_fmt->bit_depth = format->bit_depth;
+ pin_fmt->valid_bit_depth = format->valid_bit_depth;
+ pin_fmt->ch_cfg = format->ch_cfg;
+ pin_fmt->sample_type = format->sample_type;
+ pin_fmt->channel_map = format->ch_map;
+ pin_fmt->interleaving = format->interleaving_style;
+}
+
+/*
+ * Any module configuration begins with a base module configuration but
+ * can be followed by a generic extension containing audio format for all
+ * module's pins that are in use.
+ */
+static void skl_set_base_ext_module_format(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig,
+ struct skl_base_cfg_ext *base_cfg_ext)
+{
+ struct skl_module *module = mconfig->module;
+ struct skl_module_pin_resources *pin_res;
+ struct skl_module_iface *fmt = &module->formats[mconfig->fmt_idx];
+ struct skl_module_res *res = &module->resources[mconfig->res_idx];
+ struct skl_module_fmt *format;
+ struct skl_pin_format *pin_fmt;
+ char *params;
+ int i;
+
+ base_cfg_ext->nr_input_pins = res->nr_input_pins;
+ base_cfg_ext->nr_output_pins = res->nr_output_pins;
+ base_cfg_ext->priv_param_length =
+ mconfig->formats_config[SKL_PARAM_INIT].caps_size;
+
+ for (i = 0; i < res->nr_input_pins; i++) {
+ pin_res = &res->input[i];
+ pin_fmt = &base_cfg_ext->pins_fmt[i];
+
+ pin_fmt->pin_idx = pin_res->pin_index;
+ pin_fmt->buf_size = pin_res->buf_size;
+
+ format = &fmt->inputs[pin_res->pin_index].fmt;
+ fill_pin_params(&pin_fmt->audio_fmt, format);
+ }
+
+ for (i = 0; i < res->nr_output_pins; i++) {
+ pin_res = &res->output[i];
+ pin_fmt = &base_cfg_ext->pins_fmt[res->nr_input_pins + i];
+
+ pin_fmt->pin_idx = pin_res->pin_index;
+ pin_fmt->buf_size = pin_res->buf_size;
+
+ format = &fmt->outputs[pin_res->pin_index].fmt;
+ fill_pin_params(&pin_fmt->audio_fmt, format);
+ }
+
+ if (!base_cfg_ext->priv_param_length)
+ return;
+
+ params = (char *)base_cfg_ext + sizeof(struct skl_base_cfg_ext);
+ params += (base_cfg_ext->nr_input_pins + base_cfg_ext->nr_output_pins) *
+ sizeof(struct skl_pin_format);
+
+ memcpy(params, mconfig->formats_config[SKL_PARAM_INIT].caps,
+ mconfig->formats_config[SKL_PARAM_INIT].caps_size);
+}
+
+/*
+ * Copies copier capabilities into copier module and updates copier module
+ * config size.
+ */
+static void skl_copy_copier_caps(struct skl_module_cfg *mconfig,
+ struct skl_cpr_cfg *cpr_mconfig)
+{
+ if (mconfig->formats_config[SKL_PARAM_INIT].caps_size == 0)
+ return;
+
+ memcpy(&cpr_mconfig->gtw_cfg.config_data,
+ mconfig->formats_config[SKL_PARAM_INIT].caps,
+ mconfig->formats_config[SKL_PARAM_INIT].caps_size);
+
+ cpr_mconfig->gtw_cfg.config_length =
+ (mconfig->formats_config[SKL_PARAM_INIT].caps_size) / 4;
+}
+
+#define SKL_NON_GATEWAY_CPR_NODE_ID 0xFFFFFFFF
+/*
+ * Calculate the gatewat settings required for copier module, type of
+ * gateway and index of gateway to use
+ */
+static u32 skl_get_node_id(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig)
+{
+ union skl_connector_node_id node_id = {0};
+ union skl_ssp_dma_node ssp_node = {0};
+ struct skl_pipe_params *params = mconfig->pipe->p_params;
+
+ switch (mconfig->dev_type) {
+ case SKL_DEVICE_BT:
+ node_id.node.dma_type =
+ (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
+ SKL_DMA_I2S_LINK_OUTPUT_CLASS :
+ SKL_DMA_I2S_LINK_INPUT_CLASS;
+ node_id.node.vindex = params->host_dma_id +
+ (mconfig->vbus_id << 3);
+ break;
+
+ case SKL_DEVICE_I2S:
+ node_id.node.dma_type =
+ (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
+ SKL_DMA_I2S_LINK_OUTPUT_CLASS :
+ SKL_DMA_I2S_LINK_INPUT_CLASS;
+ ssp_node.dma_node.time_slot_index = mconfig->time_slot;
+ ssp_node.dma_node.i2s_instance = mconfig->vbus_id;
+ node_id.node.vindex = ssp_node.val;
+ break;
+
+ case SKL_DEVICE_DMIC:
+ node_id.node.dma_type = SKL_DMA_DMIC_LINK_INPUT_CLASS;
+ node_id.node.vindex = mconfig->vbus_id +
+ (mconfig->time_slot);
+ break;
+
+ case SKL_DEVICE_HDALINK:
+ node_id.node.dma_type =
+ (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
+ SKL_DMA_HDA_LINK_OUTPUT_CLASS :
+ SKL_DMA_HDA_LINK_INPUT_CLASS;
+ node_id.node.vindex = params->link_dma_id;
+ break;
+
+ case SKL_DEVICE_HDAHOST:
+ node_id.node.dma_type =
+ (SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
+ SKL_DMA_HDA_HOST_OUTPUT_CLASS :
+ SKL_DMA_HDA_HOST_INPUT_CLASS;
+ node_id.node.vindex = params->host_dma_id;
+ break;
+
+ default:
+ node_id.val = 0xFFFFFFFF;
+ break;
+ }
+
+ return node_id.val;
+}
+
+static void skl_setup_cpr_gateway_cfg(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig,
+ struct skl_cpr_cfg *cpr_mconfig)
+{
+ u32 dma_io_buf;
+ struct skl_module_res *res;
+ int res_idx = mconfig->res_idx;
+
+ cpr_mconfig->gtw_cfg.node_id = skl_get_node_id(skl, mconfig);
+
+ if (cpr_mconfig->gtw_cfg.node_id == SKL_NON_GATEWAY_CPR_NODE_ID) {
+ cpr_mconfig->cpr_feature_mask = 0;
+ return;
+ }
+
+ if (skl->nr_modules) {
+ res = &mconfig->module->resources[mconfig->res_idx];
+ cpr_mconfig->gtw_cfg.dma_buffer_size = res->dma_buffer_size;
+ goto skip_buf_size_calc;
+ } else {
+ res = &mconfig->module->resources[res_idx];
+ }
+
+ switch (mconfig->hw_conn_type) {
+ case SKL_CONN_SOURCE:
+ if (mconfig->dev_type == SKL_DEVICE_HDAHOST)
+ dma_io_buf = res->ibs;
+ else
+ dma_io_buf = res->obs;
+ break;
+
+ case SKL_CONN_SINK:
+ if (mconfig->dev_type == SKL_DEVICE_HDAHOST)
+ dma_io_buf = res->obs;
+ else
+ dma_io_buf = res->ibs;
+ break;
+
+ default:
+ dev_warn(skl->dev, "wrong connection type: %d\n",
+ mconfig->hw_conn_type);
+ return;
+ }
+
+ cpr_mconfig->gtw_cfg.dma_buffer_size =
+ mconfig->dma_buffer_size * dma_io_buf;
+
+ /* fallback to 2ms default value */
+ if (!cpr_mconfig->gtw_cfg.dma_buffer_size) {
+ if (mconfig->hw_conn_type == SKL_CONN_SOURCE)
+ cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * res->obs;
+ else
+ cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * res->ibs;
+ }
+
+skip_buf_size_calc:
+ cpr_mconfig->cpr_feature_mask = 0;
+ cpr_mconfig->gtw_cfg.config_length = 0;
+
+ skl_copy_copier_caps(mconfig, cpr_mconfig);
+}
+
+#define DMA_CONTROL_ID 5
+#define DMA_I2S_BLOB_SIZE 21
+
+int skl_dsp_set_dma_control(struct skl_dev *skl, u32 *caps,
+ u32 caps_size, u32 node_id)
+{
+ struct skl_dma_control *dma_ctrl;
+ struct skl_ipc_large_config_msg msg = {0};
+ int err = 0;
+
+
+ /*
+ * if blob size zero, then return
+ */
+ if (caps_size == 0)
+ return 0;
+
+ msg.large_param_id = DMA_CONTROL_ID;
+ msg.param_data_size = sizeof(struct skl_dma_control) + caps_size;
+
+ dma_ctrl = kzalloc(msg.param_data_size, GFP_KERNEL);
+ if (dma_ctrl == NULL)
+ return -ENOMEM;
+
+ dma_ctrl->node_id = node_id;
+
+ /*
+ * NHLT blob may contain additional configs along with i2s blob.
+ * firmware expects only the i2s blob size as the config_length.
+ * So fix to i2s blob size.
+ * size in dwords.
+ */
+ dma_ctrl->config_length = DMA_I2S_BLOB_SIZE;
+
+ memcpy(dma_ctrl->config_data, caps, caps_size);
+
+ err = skl_ipc_set_large_config(&skl->ipc, &msg, (u32 *)dma_ctrl);
+
+ kfree(dma_ctrl);
+ return err;
+}
+EXPORT_SYMBOL_GPL(skl_dsp_set_dma_control);
+
+static void skl_setup_out_format(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig,
+ struct skl_audio_data_format *out_fmt)
+{
+ struct skl_module *module = mconfig->module;
+ struct skl_module_iface *fmt = &module->formats[mconfig->fmt_idx];
+ struct skl_module_fmt *format = &fmt->outputs[0].fmt;
+
+ out_fmt->number_of_channels = (u8)format->channels;
+ out_fmt->s_freq = format->s_freq;
+ out_fmt->bit_depth = format->bit_depth;
+ out_fmt->valid_bit_depth = format->valid_bit_depth;
+ out_fmt->ch_cfg = format->ch_cfg;
+
+ out_fmt->channel_map = format->ch_map;
+ out_fmt->interleaving = format->interleaving_style;
+ out_fmt->sample_type = format->sample_type;
+
+ dev_dbg(skl->dev, "copier out format chan=%d fre=%d bitdepth=%d\n",
+ out_fmt->number_of_channels, format->s_freq, format->bit_depth);
+}
+
+/*
+ * DSP needs SRC module for frequency conversion, SRC takes base module
+ * configuration and the target frequency as extra parameter passed as src
+ * config
+ */
+static void skl_set_src_format(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig,
+ struct skl_src_module_cfg *src_mconfig)
+{
+ struct skl_module *module = mconfig->module;
+ struct skl_module_iface *iface = &module->formats[mconfig->fmt_idx];
+ struct skl_module_fmt *fmt = &iface->outputs[0].fmt;
+
+ skl_set_base_module_format(skl, mconfig,
+ (struct skl_base_cfg *)src_mconfig);
+
+ src_mconfig->src_cfg = fmt->s_freq;
+}
+
+/*
+ * DSP needs updown module to do channel conversion. updown module take base
+ * module configuration and channel configuration
+ * It also take coefficients and now we have defaults applied here
+ */
+static void skl_set_updown_mixer_format(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig,
+ struct skl_up_down_mixer_cfg *mixer_mconfig)
+{
+ struct skl_module *module = mconfig->module;
+ struct skl_module_iface *iface = &module->formats[mconfig->fmt_idx];
+ struct skl_module_fmt *fmt = &iface->outputs[0].fmt;
+
+ skl_set_base_module_format(skl, mconfig,
+ (struct skl_base_cfg *)mixer_mconfig);
+ mixer_mconfig->out_ch_cfg = fmt->ch_cfg;
+ mixer_mconfig->ch_map = fmt->ch_map;
+}
+
+/*
+ * 'copier' is DSP internal module which copies data from Host DMA (HDA host
+ * dma) or link (hda link, SSP, PDM)
+ * Here we calculate the copier module parameters, like PCM format, output
+ * format, gateway settings
+ * copier_module_config is sent as input buffer with INIT_INSTANCE IPC msg
+ */
+static void skl_set_copier_format(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig,
+ struct skl_cpr_cfg *cpr_mconfig)
+{
+ struct skl_audio_data_format *out_fmt = &cpr_mconfig->out_fmt;
+ struct skl_base_cfg *base_cfg = (struct skl_base_cfg *)cpr_mconfig;
+
+ skl_set_base_module_format(skl, mconfig, base_cfg);
+
+ skl_setup_out_format(skl, mconfig, out_fmt);
+ skl_setup_cpr_gateway_cfg(skl, mconfig, cpr_mconfig);
+}
+
+/*
+ * Mic select module allows selecting one or many input channels, thus
+ * acting as a demux.
+ *
+ * Mic select module take base module configuration and out-format
+ * configuration
+ */
+static void skl_set_base_outfmt_format(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig,
+ struct skl_base_outfmt_cfg *base_outfmt_mcfg)
+{
+ struct skl_audio_data_format *out_fmt = &base_outfmt_mcfg->out_fmt;
+ struct skl_base_cfg *base_cfg =
+ (struct skl_base_cfg *)base_outfmt_mcfg;
+
+ skl_set_base_module_format(skl, mconfig, base_cfg);
+ skl_setup_out_format(skl, mconfig, out_fmt);
+}
+
+static u16 skl_get_module_param_size(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig)
+{
+ struct skl_module_res *res;
+ struct skl_module *module = mconfig->module;
+ u16 param_size;
+
+ switch (mconfig->m_type) {
+ case SKL_MODULE_TYPE_COPIER:
+ param_size = sizeof(struct skl_cpr_cfg);
+ param_size += mconfig->formats_config[SKL_PARAM_INIT].caps_size;
+ return param_size;
+
+ case SKL_MODULE_TYPE_SRCINT:
+ return sizeof(struct skl_src_module_cfg);
+
+ case SKL_MODULE_TYPE_UPDWMIX:
+ return sizeof(struct skl_up_down_mixer_cfg);
+
+ case SKL_MODULE_TYPE_BASE_OUTFMT:
+ case SKL_MODULE_TYPE_MIC_SELECT:
+ return sizeof(struct skl_base_outfmt_cfg);
+
+ case SKL_MODULE_TYPE_MIXER:
+ case SKL_MODULE_TYPE_KPB:
+ return sizeof(struct skl_base_cfg);
+
+ case SKL_MODULE_TYPE_ALGO:
+ default:
+ res = &module->resources[mconfig->res_idx];
+
+ param_size = sizeof(struct skl_base_cfg) + sizeof(struct skl_base_cfg_ext);
+ param_size += (res->nr_input_pins + res->nr_output_pins) *
+ sizeof(struct skl_pin_format);
+ param_size += mconfig->formats_config[SKL_PARAM_INIT].caps_size;
+
+ return param_size;
+ }
+
+ return 0;
+}
+
+/*
+ * DSP firmware supports various modules like copier, SRC, updown etc.
+ * These modules required various parameters to be calculated and sent for
+ * the module initialization to DSP. By default a generic module needs only
+ * base module format configuration
+ */
+
+static int skl_set_module_format(struct skl_dev *skl,
+ struct skl_module_cfg *module_config,
+ u16 *module_config_size,
+ void **param_data)
+{
+ u16 param_size;
+
+ param_size = skl_get_module_param_size(skl, module_config);
+
+ *param_data = kzalloc(param_size, GFP_KERNEL);
+ if (NULL == *param_data)
+ return -ENOMEM;
+
+ *module_config_size = param_size;
+
+ switch (module_config->m_type) {
+ case SKL_MODULE_TYPE_COPIER:
+ skl_set_copier_format(skl, module_config, *param_data);
+ break;
+
+ case SKL_MODULE_TYPE_SRCINT:
+ skl_set_src_format(skl, module_config, *param_data);
+ break;
+
+ case SKL_MODULE_TYPE_UPDWMIX:
+ skl_set_updown_mixer_format(skl, module_config, *param_data);
+ break;
+
+ case SKL_MODULE_TYPE_BASE_OUTFMT:
+ case SKL_MODULE_TYPE_MIC_SELECT:
+ skl_set_base_outfmt_format(skl, module_config, *param_data);
+ break;
+
+ case SKL_MODULE_TYPE_MIXER:
+ case SKL_MODULE_TYPE_KPB:
+ skl_set_base_module_format(skl, module_config, *param_data);
+ break;
+
+ case SKL_MODULE_TYPE_ALGO:
+ default:
+ skl_set_base_module_format(skl, module_config, *param_data);
+ skl_set_base_ext_module_format(skl, module_config,
+ *param_data +
+ sizeof(struct skl_base_cfg));
+ break;
+ }
+
+ dev_dbg(skl->dev, "Module type=%d id=%d config size: %d bytes\n",
+ module_config->m_type, module_config->id.module_id,
+ param_size);
+ print_hex_dump_debug("Module params:", DUMP_PREFIX_OFFSET, 8, 4,
+ *param_data, param_size, false);
+ return 0;
+}
+
+static int skl_get_queue_index(struct skl_module_pin *mpin,
+ struct skl_module_inst_id id, int max)
+{
+ int i;
+
+ for (i = 0; i < max; i++) {
+ if (mpin[i].id.module_id == id.module_id &&
+ mpin[i].id.instance_id == id.instance_id)
+ return i;
+ }
+
+ return -EINVAL;
+}
+
+/*
+ * Allocates queue for each module.
+ * if dynamic, the pin_index is allocated 0 to max_pin.
+ * In static, the pin_index is fixed based on module_id and instance id
+ */
+static int skl_alloc_queue(struct skl_module_pin *mpin,
+ struct skl_module_cfg *tgt_cfg, int max)
+{
+ int i;
+ struct skl_module_inst_id id = tgt_cfg->id;
+ /*
+ * if pin in dynamic, find first free pin
+ * otherwise find match module and instance id pin as topology will
+ * ensure a unique pin is assigned to this so no need to
+ * allocate/free
+ */
+ for (i = 0; i < max; i++) {
+ if (mpin[i].is_dynamic) {
+ if (!mpin[i].in_use &&
+ mpin[i].pin_state == SKL_PIN_UNBIND) {
+
+ mpin[i].in_use = true;
+ mpin[i].id.module_id = id.module_id;
+ mpin[i].id.instance_id = id.instance_id;
+ mpin[i].id.pvt_id = id.pvt_id;
+ mpin[i].tgt_mcfg = tgt_cfg;
+ return i;
+ }
+ } else {
+ if (mpin[i].id.module_id == id.module_id &&
+ mpin[i].id.instance_id == id.instance_id &&
+ mpin[i].pin_state == SKL_PIN_UNBIND) {
+
+ mpin[i].tgt_mcfg = tgt_cfg;
+ return i;
+ }
+ }
+ }
+
+ return -EINVAL;
+}
+
+static void skl_free_queue(struct skl_module_pin *mpin, int q_index)
+{
+ if (mpin[q_index].is_dynamic) {
+ mpin[q_index].in_use = false;
+ mpin[q_index].id.module_id = 0;
+ mpin[q_index].id.instance_id = 0;
+ mpin[q_index].id.pvt_id = 0;
+ }
+ mpin[q_index].pin_state = SKL_PIN_UNBIND;
+ mpin[q_index].tgt_mcfg = NULL;
+}
+
+/* Module state will be set to unint, if all the out pin state is UNBIND */
+
+static void skl_clear_module_state(struct skl_module_pin *mpin, int max,
+ struct skl_module_cfg *mcfg)
+{
+ int i;
+ bool found = false;
+
+ for (i = 0; i < max; i++) {
+ if (mpin[i].pin_state == SKL_PIN_UNBIND)
+ continue;
+ found = true;
+ break;
+ }
+
+ if (!found)
+ mcfg->m_state = SKL_MODULE_INIT_DONE;
+ return;
+}
+
+/*
+ * A module needs to be instanataited in DSP. A mdoule is present in a
+ * collection of module referred as a PIPE.
+ * We first calculate the module format, based on module type and then
+ * invoke the DSP by sending IPC INIT_INSTANCE using ipc helper
+ */
+int skl_init_module(struct skl_dev *skl,
+ struct skl_module_cfg *mconfig)
+{
+ u16 module_config_size = 0;
+ void *param_data = NULL;
+ int ret;
+ struct skl_ipc_init_instance_msg msg;
+
+ dev_dbg(skl->dev, "%s: module_id = %d instance=%d\n", __func__,
+ mconfig->id.module_id, mconfig->id.pvt_id);
+
+ if (mconfig->pipe->state != SKL_PIPE_CREATED) {
+ dev_err(skl->dev, "Pipe not created state= %d pipe_id= %d\n",
+ mconfig->pipe->state, mconfig->pipe->ppl_id);
+ return -EIO;
+ }
+
+ ret = skl_set_module_format(skl, mconfig,
+ &module_config_size, &param_data);
+ if (ret < 0) {
+ dev_err(skl->dev, "Failed to set module format ret=%d\n", ret);
+ return ret;
+ }
+
+ msg.module_id = mconfig->id.module_id;
+ msg.instance_id = mconfig->id.pvt_id;
+ msg.ppl_instance_id = mconfig->pipe->ppl_id;
+ msg.param_data_size = module_config_size;
+ msg.core_id = mconfig->core_id;
+ msg.domain = mconfig->domain;
+
+ ret = skl_ipc_init_instance(&skl->ipc, &msg, param_data);
+ if (ret < 0) {
+ dev_err(skl->dev, "Failed to init instance ret=%d\n", ret);
+ kfree(param_data);
+ return ret;
+ }
+ mconfig->m_state = SKL_MODULE_INIT_DONE;
+ kfree(param_data);
+ return ret;
+}
+
+static void skl_dump_bind_info(struct skl_dev *skl, struct skl_module_cfg
+ *src_module, struct skl_module_cfg *dst_module)
+{
+ dev_dbg(skl->dev, "%s: src module_id = %d src_instance=%d\n",
+ __func__, src_module->id.module_id, src_module->id.pvt_id);
+ dev_dbg(skl->dev, "%s: dst_module=%d dst_instance=%d\n", __func__,
+ dst_module->id.module_id, dst_module->id.pvt_id);
+
+ dev_dbg(skl->dev, "src_module state = %d dst module state = %d\n",
+ src_module->m_state, dst_module->m_state);
+}
+
+/*
+ * On module freeup, we need to unbind the module with modules
+ * it is already bind.
+ * Find the pin allocated and unbind then using bind_unbind IPC
+ */
+int skl_unbind_modules(struct skl_dev *skl,
+ struct skl_module_cfg *src_mcfg,
+ struct skl_module_cfg *dst_mcfg)
+{
+ int ret;
+ struct skl_ipc_bind_unbind_msg msg;
+ struct skl_module_inst_id src_id = src_mcfg->id;
+ struct skl_module_inst_id dst_id = dst_mcfg->id;
+ int in_max = dst_mcfg->module->max_input_pins;
+ int out_max = src_mcfg->module->max_output_pins;
+ int src_index, dst_index, src_pin_state, dst_pin_state;
+
+ skl_dump_bind_info(skl, src_mcfg, dst_mcfg);
+
+ /* get src queue index */
+ src_index = skl_get_queue_index(src_mcfg->m_out_pin, dst_id, out_max);
+ if (src_index < 0)
+ return 0;
+
+ msg.src_queue = src_index;
+
+ /* get dst queue index */
+ dst_index = skl_get_queue_index(dst_mcfg->m_in_pin, src_id, in_max);
+ if (dst_index < 0)
+ return 0;
+
+ msg.dst_queue = dst_index;
+
+ src_pin_state = src_mcfg->m_out_pin[src_index].pin_state;
+ dst_pin_state = dst_mcfg->m_in_pin[dst_index].pin_state;
+
+ if (src_pin_state != SKL_PIN_BIND_DONE ||
+ dst_pin_state != SKL_PIN_BIND_DONE)
+ return 0;
+
+ msg.module_id = src_mcfg->id.module_id;
+ msg.instance_id = src_mcfg->id.pvt_id;
+ msg.dst_module_id = dst_mcfg->id.module_id;
+ msg.dst_instance_id = dst_mcfg->id.pvt_id;
+ msg.bind = false;
+
+ ret = skl_ipc_bind_unbind(&skl->ipc, &msg);
+ if (!ret) {
+ /* free queue only if unbind is success */
+ skl_free_queue(src_mcfg->m_out_pin, src_index);
+ skl_free_queue(dst_mcfg->m_in_pin, dst_index);
+
+ /*
+ * check only if src module bind state, bind is
+ * always from src -> sink
+ */
+ skl_clear_module_state(src_mcfg->m_out_pin, out_max, src_mcfg);
+ }
+
+ return ret;
+}
+
+#define CPR_SINK_FMT_PARAM_ID 2
+
+/*
+ * Once a module is instantiated it need to be 'bind' with other modules in
+ * the pipeline. For binding we need to find the module pins which are bind
+ * together
+ * This function finds the pins and then sends bund_unbind IPC message to
+ * DSP using IPC helper
+ */
+int skl_bind_modules(struct skl_dev *skl,
+ struct skl_module_cfg *src_mcfg,
+ struct skl_module_cfg *dst_mcfg)
+{
+ int ret = 0;
+ struct skl_ipc_bind_unbind_msg msg;
+ int in_max = dst_mcfg->module->max_input_pins;
+ int out_max = src_mcfg->module->max_output_pins;
+ int src_index, dst_index;
+ struct skl_module_fmt *format;
+ struct skl_cpr_pin_fmt pin_fmt;
+ struct skl_module *module;
+ struct skl_module_iface *fmt;
+
+ skl_dump_bind_info(skl, src_mcfg, dst_mcfg);
+
+ if (src_mcfg->m_state < SKL_MODULE_INIT_DONE ||
+ dst_mcfg->m_state < SKL_MODULE_INIT_DONE)
+ return 0;
+
+ src_index = skl_alloc_queue(src_mcfg->m_out_pin, dst_mcfg, out_max);
+ if (src_index < 0)
+ return -EINVAL;
+
+ msg.src_queue = src_index;
+ dst_index = skl_alloc_queue(dst_mcfg->m_in_pin, src_mcfg, in_max);
+ if (dst_index < 0) {
+ skl_free_queue(src_mcfg->m_out_pin, src_index);
+ return -EINVAL;
+ }
+
+ /*
+ * Copier module requires the separate large_config_set_ipc to
+ * configure the pins other than 0
+ */
+ if (src_mcfg->m_type == SKL_MODULE_TYPE_COPIER && src_index > 0) {
+ pin_fmt.sink_id = src_index;
+ module = src_mcfg->module;
+ fmt = &module->formats[src_mcfg->fmt_idx];
+
+ /* Input fmt is same as that of src module input cfg */
+ format = &fmt->inputs[0].fmt;
+ fill_pin_params(&(pin_fmt.src_fmt), format);
+
+ format = &fmt->outputs[src_index].fmt;
+ fill_pin_params(&(pin_fmt.dst_fmt), format);
+ ret = skl_set_module_params(skl, (void *)&pin_fmt,
+ sizeof(struct skl_cpr_pin_fmt),
+ CPR_SINK_FMT_PARAM_ID, src_mcfg);
+
+ if (ret < 0)
+ goto out;
+ }
+
+ msg.dst_queue = dst_index;
+
+ dev_dbg(skl->dev, "src queue = %d dst queue =%d\n",
+ msg.src_queue, msg.dst_queue);
+
+ msg.module_id = src_mcfg->id.module_id;
+ msg.instance_id = src_mcfg->id.pvt_id;
+ msg.dst_module_id = dst_mcfg->id.module_id;
+ msg.dst_instance_id = dst_mcfg->id.pvt_id;
+ msg.bind = true;
+
+ ret = skl_ipc_bind_unbind(&skl->ipc, &msg);
+
+ if (!ret) {
+ src_mcfg->m_state = SKL_MODULE_BIND_DONE;
+ src_mcfg->m_out_pin[src_index].pin_state = SKL_PIN_BIND_DONE;
+ dst_mcfg->m_in_pin[dst_index].pin_state = SKL_PIN_BIND_DONE;
+ return ret;
+ }
+out:
+ /* error case , if IPC fails, clear the queue index */
+ skl_free_queue(src_mcfg->m_out_pin, src_index);
+ skl_free_queue(dst_mcfg->m_in_pin, dst_index);
+
+ return ret;
+}
+
+static int skl_set_pipe_state(struct skl_dev *skl, struct skl_pipe *pipe,
+ enum skl_ipc_pipeline_state state)
+{
+ dev_dbg(skl->dev, "%s: pipe_state = %d\n", __func__, state);
+
+ return skl_ipc_set_pipeline_state(&skl->ipc, pipe->ppl_id, state);
+}
+
+/*
+ * A pipeline is a collection of modules. Before a module in instantiated a
+ * pipeline needs to be created for it.
+ * This function creates pipeline, by sending create pipeline IPC messages
+ * to FW
+ */
+int skl_create_pipeline(struct skl_dev *skl, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(skl->dev, "%s: pipe_id = %d\n", __func__, pipe->ppl_id);
+
+ ret = skl_ipc_create_pipeline(&skl->ipc, pipe->memory_pages,
+ pipe->pipe_priority, pipe->ppl_id,
+ pipe->lp_mode);
+ if (ret < 0) {
+ dev_err(skl->dev, "Failed to create pipeline\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_CREATED;
+
+ return 0;
+}
+
+/*
+ * A pipeline needs to be deleted on cleanup. If a pipeline is running,
+ * then pause it first. Before actual deletion, pipeline should enter
+ * reset state. Finish the procedure by sending delete pipeline IPC.
+ * DSP will stop the DMA engines and release resources
+ */
+int skl_delete_pipe(struct skl_dev *skl, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(skl->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
+
+ /* If pipe was not created in FW, do not try to delete it */
+ if (pipe->state < SKL_PIPE_CREATED)
+ return 0;
+
+ /* If pipe is started, do stop the pipe in FW. */
+ if (pipe->state >= SKL_PIPE_STARTED) {
+ ret = skl_set_pipe_state(skl, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_err(skl->dev, "Failed to stop pipeline\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_PAUSED;
+ }
+
+ /* reset pipe state before deletion */
+ ret = skl_set_pipe_state(skl, pipe, PPL_RESET);
+ if (ret < 0) {
+ dev_err(skl->dev, "Failed to reset pipe ret=%d\n", ret);
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_RESET;
+
+ ret = skl_ipc_delete_pipeline(&skl->ipc, pipe->ppl_id);
+ if (ret < 0) {
+ dev_err(skl->dev, "Failed to delete pipeline\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_INVALID;
+
+ return ret;
+}
+
+/*
+ * A pipeline is also a scheduling entity in DSP which can be run, stopped
+ * For processing data the pipe need to be run by sending IPC set pipe state
+ * to DSP
+ */
+int skl_run_pipe(struct skl_dev *skl, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(skl->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
+
+ /* If pipe was not created in FW, do not try to pause or delete */
+ if (pipe->state < SKL_PIPE_CREATED)
+ return 0;
+
+ /* Pipe has to be paused before it is started */
+ ret = skl_set_pipe_state(skl, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_err(skl->dev, "Failed to pause pipe\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_PAUSED;
+
+ ret = skl_set_pipe_state(skl, pipe, PPL_RUNNING);
+ if (ret < 0) {
+ dev_err(skl->dev, "Failed to start pipe\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_STARTED;
+
+ return 0;
+}
+
+/*
+ * Stop the pipeline by sending set pipe state IPC
+ * DSP doesnt implement stop so we always send pause message
+ */
+int skl_stop_pipe(struct skl_dev *skl, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(skl->dev, "In %s pipe=%d\n", __func__, pipe->ppl_id);
+
+ /* If pipe was not created in FW, do not try to pause or delete */
+ if (pipe->state < SKL_PIPE_PAUSED)
+ return 0;
+
+ ret = skl_set_pipe_state(skl, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_dbg(skl->dev, "Failed to stop pipe\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_PAUSED;
+
+ return 0;
+}
+
+/*
+ * Reset the pipeline by sending set pipe state IPC this will reset the DMA
+ * from the DSP side
+ */
+int skl_reset_pipe(struct skl_dev *skl, struct skl_pipe *pipe)
+{
+ int ret;
+
+ /* If pipe was not created in FW, do not try to pause or delete */
+ if (pipe->state < SKL_PIPE_PAUSED)
+ return 0;
+
+ ret = skl_set_pipe_state(skl, pipe, PPL_RESET);
+ if (ret < 0) {
+ dev_dbg(skl->dev, "Failed to reset pipe ret=%d\n", ret);
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_RESET;
+
+ return 0;
+}
+
+/* Algo parameter set helper function */
+int skl_set_module_params(struct skl_dev *skl, u32 *params, int size,
+ u32 param_id, struct skl_module_cfg *mcfg)
+{
+ struct skl_ipc_large_config_msg msg;
+
+ msg.module_id = mcfg->id.module_id;
+ msg.instance_id = mcfg->id.pvt_id;
+ msg.param_data_size = size;
+ msg.large_param_id = param_id;
+
+ return skl_ipc_set_large_config(&skl->ipc, &msg, params);
+}
+
+int skl_get_module_params(struct skl_dev *skl, u32 *params, int size,
+ u32 param_id, struct skl_module_cfg *mcfg)
+{
+ struct skl_ipc_large_config_msg msg;
+ size_t bytes = size;
+
+ msg.module_id = mcfg->id.module_id;
+ msg.instance_id = mcfg->id.pvt_id;
+ msg.param_data_size = size;
+ msg.large_param_id = param_id;
+
+ return skl_ipc_get_large_config(&skl->ipc, &msg, &params, &bytes);
+}