diff options
Diffstat (limited to 'sound/soc/intel/skylake/skl-messages.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-messages.c | 1419 |
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 000000000..fc2eb04da --- /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, ¶m_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, ¶ms, &bytes); +} |