blob: fc2eb04da17213a57968d5b1e201610cbed5d6fa [file] [log] [blame]
// 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);
}