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-rw-r--r--sound/soc/intel/skylake/Makefile9
-rw-r--r--sound/soc/intel/skylake/skl-messages.c884
-rw-r--r--sound/soc/intel/skylake/skl-nhlt.c140
-rw-r--r--sound/soc/intel/skylake/skl-nhlt.h106
-rw-r--r--sound/soc/intel/skylake/skl-pcm.c916
-rw-r--r--sound/soc/intel/skylake/skl-sst-cldma.c327
-rw-r--r--sound/soc/intel/skylake/skl-sst-cldma.h251
-rw-r--r--sound/soc/intel/skylake/skl-sst-dsp.c342
-rw-r--r--sound/soc/intel/skylake/skl-sst-dsp.h145
-rw-r--r--sound/soc/intel/skylake/skl-sst-ipc.c771
-rw-r--r--sound/soc/intel/skylake/skl-sst-ipc.h125
-rw-r--r--sound/soc/intel/skylake/skl-sst.c280
-rw-r--r--sound/soc/intel/skylake/skl-topology.h286
-rw-r--r--sound/soc/intel/skylake/skl-tplg-interface.h88
-rw-r--r--sound/soc/intel/skylake/skl.c536
-rw-r--r--sound/soc/intel/skylake/skl.h84
16 files changed, 5290 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/Makefile b/sound/soc/intel/skylake/Makefile
new file mode 100644
index 000000000..27db22178
--- /dev/null
+++ b/sound/soc/intel/skylake/Makefile
@@ -0,0 +1,9 @@
+snd-soc-skl-objs := skl.o skl-pcm.o skl-nhlt.o skl-messages.o
+
+obj-$(CONFIG_SND_SOC_INTEL_SKYLAKE) += snd-soc-skl.o
+
+# Skylake IPC Support
+snd-soc-skl-ipc-objs := skl-sst-ipc.o skl-sst-dsp.o skl-sst-cldma.o \
+ skl-sst.o
+
+obj-$(CONFIG_SND_SOC_INTEL_SKYLAKE) += snd-soc-skl-ipc.o
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
new file mode 100644
index 000000000..826d4fd89
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -0,0 +1,884 @@
+/*
+ * 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>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include "skl-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"
+#include "skl-tplg-interface.h"
+
+static int skl_alloc_dma_buf(struct device *dev,
+ struct snd_dma_buffer *dmab, size_t size)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ if (!bus)
+ return -ENODEV;
+
+ return bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, size, dmab);
+}
+
+static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ if (!bus)
+ return -ENODEV;
+
+ bus->io_ops->dma_free_pages(bus, dmab);
+
+ return 0;
+}
+
+int skl_init_dsp(struct skl *skl)
+{
+ void __iomem *mmio_base;
+ struct hdac_ext_bus *ebus = &skl->ebus;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ int irq = bus->irq;
+ struct skl_dsp_loader_ops loader_ops;
+ int ret;
+
+ loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
+ loader_ops.free_dma_buf = skl_free_dma_buf;
+
+ /* enable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
+ snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, 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;
+ }
+
+ ret = skl_sst_dsp_init(bus->dev, mmio_base, irq,
+ loader_ops, &skl->skl_sst);
+
+ dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
+
+ return ret;
+}
+
+void skl_free_dsp(struct skl *skl)
+{
+ struct hdac_ext_bus *ebus = &skl->ebus;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct skl_sst *ctx = skl->skl_sst;
+
+ /* disable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
+
+ skl_sst_dsp_cleanup(bus->dev, ctx);
+ if (ctx->dsp->addr.lpe)
+ iounmap(ctx->dsp->addr.lpe);
+}
+
+int skl_suspend_dsp(struct skl *skl)
+{
+ struct skl_sst *ctx = skl->skl_sst;
+ int ret;
+
+ /* if ppcap is not supported return 0 */
+ if (!skl->ebus.ppcap)
+ return 0;
+
+ ret = skl_dsp_sleep(ctx->dsp);
+ if (ret < 0)
+ return ret;
+
+ /* disable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
+ snd_hdac_ext_bus_ppcap_enable(&skl->ebus, false);
+
+ return 0;
+}
+
+int skl_resume_dsp(struct skl *skl)
+{
+ struct skl_sst *ctx = skl->skl_sst;
+
+ /* if ppcap is not supported return 0 */
+ if (!skl->ebus.ppcap)
+ return 0;
+
+ /* enable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
+ snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
+
+ return skl_dsp_wake(ctx->dsp);
+}
+
+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;
+
+ }
+}
+
+static u32 skl_create_channel_map(enum skl_ch_cfg ch_cfg)
+{
+ u32 config;
+
+ switch (ch_cfg) {
+ case SKL_CH_CFG_MONO:
+ config = (0xFFFFFFF0 | SKL_CHANNEL_LEFT);
+ break;
+
+ case SKL_CH_CFG_STEREO:
+ config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_RIGHT << 4));
+ break;
+
+ case SKL_CH_CFG_2_1:
+ config = (0xFFFFF000 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_RIGHT << 4)
+ | (SKL_CHANNEL_LFE << 8));
+ break;
+
+ case SKL_CH_CFG_3_0:
+ config = (0xFFFFF000 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_CENTER << 4)
+ | (SKL_CHANNEL_RIGHT << 8));
+ break;
+
+ case SKL_CH_CFG_3_1:
+ config = (0xFFFF0000 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_CENTER << 4)
+ | (SKL_CHANNEL_RIGHT << 8)
+ | (SKL_CHANNEL_LFE << 12));
+ break;
+
+ case SKL_CH_CFG_QUATRO:
+ config = (0xFFFF0000 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_RIGHT << 4)
+ | (SKL_CHANNEL_LEFT_SURROUND << 8)
+ | (SKL_CHANNEL_RIGHT_SURROUND << 12));
+ break;
+
+ case SKL_CH_CFG_4_0:
+ config = (0xFFFF0000 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_CENTER << 4)
+ | (SKL_CHANNEL_RIGHT << 8)
+ | (SKL_CHANNEL_CENTER_SURROUND << 12));
+ break;
+
+ case SKL_CH_CFG_5_0:
+ config = (0xFFF00000 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_CENTER << 4)
+ | (SKL_CHANNEL_RIGHT << 8)
+ | (SKL_CHANNEL_LEFT_SURROUND << 12)
+ | (SKL_CHANNEL_RIGHT_SURROUND << 16));
+ break;
+
+ case SKL_CH_CFG_5_1:
+ config = (0xFF000000 | SKL_CHANNEL_CENTER
+ | (SKL_CHANNEL_LEFT << 4)
+ | (SKL_CHANNEL_RIGHT << 8)
+ | (SKL_CHANNEL_LEFT_SURROUND << 12)
+ | (SKL_CHANNEL_RIGHT_SURROUND << 16)
+ | (SKL_CHANNEL_LFE << 20));
+ break;
+
+ case SKL_CH_CFG_DUAL_MONO:
+ config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_LEFT << 4));
+ break;
+
+ case SKL_CH_CFG_I2S_DUAL_STEREO_0:
+ config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
+ | (SKL_CHANNEL_RIGHT << 4));
+ break;
+
+ case SKL_CH_CFG_I2S_DUAL_STEREO_1:
+ config = (0xFFFF00FF | (SKL_CHANNEL_LEFT << 8)
+ | (SKL_CHANNEL_RIGHT << 12));
+ break;
+
+ default:
+ config = 0xFFFFFFFF;
+ break;
+
+ }
+
+ return config;
+}
+
+/*
+ * 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_sst *ctx,
+ struct skl_module_cfg *mconfig,
+ struct skl_base_cfg *base_cfg)
+{
+ struct skl_module_fmt *format = &mconfig->in_fmt;
+
+ base_cfg->audio_fmt.number_of_channels = (u8)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;
+
+ dev_dbg(ctx->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 = skl_create_channel_map(
+ base_cfg->audio_fmt.ch_cfg);
+
+ base_cfg->audio_fmt.interleaving = SKL_INTERLEAVING_PER_CHANNEL;
+
+ base_cfg->cps = mconfig->mcps;
+ base_cfg->ibs = mconfig->ibs;
+ base_cfg->obs = mconfig->obs;
+}
+
+/*
+ * 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.caps_size == 0)
+ return;
+
+ memcpy(cpr_mconfig->gtw_cfg.config_data,
+ mconfig->formats_config.caps,
+ mconfig->formats_config.caps_size);
+
+ cpr_mconfig->gtw_cfg.config_length =
+ (mconfig->formats_config.caps_size) / 4;
+}
+
+/*
+ * Calculate the gatewat settings required for copier module, type of
+ * gateway and index of gateway to use
+ */
+static void skl_setup_cpr_gateway_cfg(struct skl_sst *ctx,
+ struct skl_module_cfg *mconfig,
+ struct skl_cpr_cfg *cpr_mconfig)
+{
+ union skl_connector_node_id node_id = {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;
+ node_id.node.vindex = params->host_dma_id +
+ (mconfig->time_slot << 1) +
+ (mconfig->vbus_id << 3);
+ 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;
+
+ default:
+ 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;
+ }
+
+ cpr_mconfig->gtw_cfg.node_id = node_id.val;
+
+ if (SKL_CONN_SOURCE == mconfig->hw_conn_type)
+ cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->obs;
+ else
+ cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->ibs;
+
+ cpr_mconfig->cpr_feature_mask = 0;
+ cpr_mconfig->gtw_cfg.config_length = 0;
+
+ skl_copy_copier_caps(mconfig, cpr_mconfig);
+}
+
+static void skl_setup_out_format(struct skl_sst *ctx,
+ struct skl_module_cfg *mconfig,
+ struct skl_audio_data_format *out_fmt)
+{
+ struct skl_module_fmt *format = &mconfig->out_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 = skl_create_channel_map(out_fmt->ch_cfg);
+ out_fmt->interleaving = SKL_INTERLEAVING_PER_CHANNEL;
+
+ dev_dbg(ctx->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_sst *ctx,
+ struct skl_module_cfg *mconfig,
+ struct skl_src_module_cfg *src_mconfig)
+{
+ struct skl_module_fmt *fmt = &mconfig->out_fmt;
+
+ skl_set_base_module_format(ctx, 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_sst *ctx,
+ struct skl_module_cfg *mconfig,
+ struct skl_up_down_mixer_cfg *mixer_mconfig)
+{
+ struct skl_module_fmt *fmt = &mconfig->out_fmt;
+ int i = 0;
+
+ skl_set_base_module_format(ctx, mconfig,
+ (struct skl_base_cfg *)mixer_mconfig);
+ mixer_mconfig->out_ch_cfg = fmt->ch_cfg;
+
+ /* Select F/W default coefficient */
+ mixer_mconfig->coeff_sel = 0x0;
+
+ /* User coeff, don't care since we are selecting F/W defaults */
+ for (i = 0; i < UP_DOWN_MIXER_MAX_COEFF; i++)
+ mixer_mconfig->coeff[i] = 0xDEADBEEF;
+}
+
+/*
+ * '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_sst *ctx,
+ 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(ctx, mconfig, base_cfg);
+
+ skl_setup_out_format(ctx, mconfig, out_fmt);
+ skl_setup_cpr_gateway_cfg(ctx, mconfig, cpr_mconfig);
+}
+
+static u16 skl_get_module_param_size(struct skl_sst *ctx,
+ struct skl_module_cfg *mconfig)
+{
+ u16 param_size;
+
+ switch (mconfig->m_type) {
+ case SKL_MODULE_TYPE_COPIER:
+ param_size = sizeof(struct skl_cpr_cfg);
+ param_size += mconfig->formats_config.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);
+
+ default:
+ /*
+ * return only base cfg when no specific module type is
+ * specified
+ */
+ return sizeof(struct skl_base_cfg);
+ }
+
+ 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_sst *ctx,
+ struct skl_module_cfg *module_config,
+ u16 *module_config_size,
+ void **param_data)
+{
+ u16 param_size;
+
+ param_size = skl_get_module_param_size(ctx, 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(ctx, module_config, *param_data);
+ break;
+
+ case SKL_MODULE_TYPE_SRCINT:
+ skl_set_src_format(ctx, module_config, *param_data);
+ break;
+
+ case SKL_MODULE_TYPE_UPDWMIX:
+ skl_set_updown_mixer_format(ctx, module_config, *param_data);
+ break;
+
+ default:
+ skl_set_base_module_format(ctx, module_config, *param_data);
+ break;
+
+ }
+
+ dev_dbg(ctx->dev, "Module type=%d config size: %d bytes\n",
+ module_config->id.module_id, param_size);
+ print_hex_dump(KERN_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_inst_id id, int max)
+{
+ int i;
+
+ /*
+ * 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].in_use = true;
+ mpin[i].id.module_id = id.module_id;
+ mpin[i].id.instance_id = id.instance_id;
+ return i;
+ }
+ } else {
+ if (mpin[i].id.module_id == id.module_id &&
+ mpin[i].id.instance_id == id.instance_id)
+ 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;
+ }
+}
+
+/*
+ * 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_sst *ctx,
+ struct skl_module_cfg *mconfig, char *param)
+{
+ u16 module_config_size = 0;
+ void *param_data = NULL;
+ int ret;
+ struct skl_ipc_init_instance_msg msg;
+
+ dev_dbg(ctx->dev, "%s: module_id = %d instance=%d\n", __func__,
+ mconfig->id.module_id, mconfig->id.instance_id);
+
+ if (mconfig->pipe->state != SKL_PIPE_CREATED) {
+ dev_err(ctx->dev, "Pipe not created state= %d pipe_id= %d\n",
+ mconfig->pipe->state, mconfig->pipe->ppl_id);
+ return -EIO;
+ }
+
+ ret = skl_set_module_format(ctx, mconfig,
+ &module_config_size, &param_data);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to set module format ret=%d\n", ret);
+ return ret;
+ }
+
+ msg.module_id = mconfig->id.module_id;
+ msg.instance_id = mconfig->id.instance_id;
+ msg.ppl_instance_id = mconfig->pipe->ppl_id;
+ msg.param_data_size = module_config_size;
+ msg.core_id = mconfig->core_id;
+
+ ret = skl_ipc_init_instance(&ctx->ipc, &msg, param_data);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to init instance ret=%d\n", ret);
+ kfree(param_data);
+ return ret;
+ }
+ mconfig->m_state = SKL_MODULE_INIT_DONE;
+
+ return ret;
+}
+
+static void skl_dump_bind_info(struct skl_sst *ctx, struct skl_module_cfg
+ *src_module, struct skl_module_cfg *dst_module)
+{
+ dev_dbg(ctx->dev, "%s: src module_id = %d src_instance=%d\n",
+ __func__, src_module->id.module_id, src_module->id.instance_id);
+ dev_dbg(ctx->dev, "%s: dst_module=%d dst_instacne=%d\n", __func__,
+ dst_module->id.module_id, dst_module->id.instance_id);
+
+ dev_dbg(ctx->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_sst *ctx,
+ 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->max_in_queue;
+ int out_max = src_mcfg->max_out_queue;
+ int src_index, dst_index;
+
+ skl_dump_bind_info(ctx, src_mcfg, dst_mcfg);
+
+ if (src_mcfg->m_state != SKL_MODULE_BIND_DONE)
+ return 0;
+
+ /*
+ * if intra module unbind, check if both modules are BIND,
+ * then send unbind
+ */
+ if ((src_mcfg->pipe->ppl_id != dst_mcfg->pipe->ppl_id) &&
+ dst_mcfg->m_state != SKL_MODULE_BIND_DONE)
+ return 0;
+ else if (src_mcfg->m_state < SKL_MODULE_INIT_DONE &&
+ dst_mcfg->m_state < SKL_MODULE_INIT_DONE)
+ return 0;
+
+ /* get src queue index */
+ src_index = skl_get_queue_index(src_mcfg->m_out_pin, dst_id, out_max);
+ if (src_index < 0)
+ return -EINVAL;
+
+ msg.src_queue = src_mcfg->m_out_pin[src_index].pin_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 -EINVAL;
+
+ msg.dst_queue = dst_mcfg->m_in_pin[dst_index].pin_index;
+
+ msg.module_id = src_mcfg->id.module_id;
+ msg.instance_id = src_mcfg->id.instance_id;
+ msg.dst_module_id = dst_mcfg->id.module_id;
+ msg.dst_instance_id = dst_mcfg->id.instance_id;
+ msg.bind = false;
+
+ ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
+ if (!ret) {
+ src_mcfg->m_state = SKL_MODULE_UNINIT;
+ /* 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);
+ }
+
+ return ret;
+}
+
+/*
+ * 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_sst *ctx,
+ 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->max_in_queue;
+ int out_max = src_mcfg->max_out_queue;
+ int src_index, dst_index;
+
+ skl_dump_bind_info(ctx, 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_id, out_max);
+ if (src_index < 0)
+ return -EINVAL;
+
+ msg.src_queue = src_mcfg->m_out_pin[src_index].pin_index;
+ dst_index = skl_alloc_queue(dst_mcfg->m_in_pin, src_id, in_max);
+ if (dst_index < 0) {
+ skl_free_queue(src_mcfg->m_out_pin, src_index);
+ return -EINVAL;
+ }
+
+ msg.dst_queue = dst_mcfg->m_in_pin[dst_index].pin_index;
+
+ dev_dbg(ctx->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.instance_id;
+ msg.dst_module_id = dst_mcfg->id.module_id;
+ msg.dst_instance_id = dst_mcfg->id.instance_id;
+ msg.bind = true;
+
+ ret = skl_ipc_bind_unbind(&ctx->ipc, &msg);
+
+ if (!ret) {
+ src_mcfg->m_state = SKL_MODULE_BIND_DONE;
+ } else {
+ /* 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_sst *ctx, struct skl_pipe *pipe,
+ enum skl_ipc_pipeline_state state)
+{
+ dev_dbg(ctx->dev, "%s: pipe_satate = %d\n", __func__, state);
+
+ return skl_ipc_set_pipeline_state(&ctx->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_sst *ctx, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(ctx->dev, "%s: pipe_id = %d\n", __func__, pipe->ppl_id);
+
+ ret = skl_ipc_create_pipeline(&ctx->ipc, pipe->memory_pages,
+ pipe->pipe_priority, pipe->ppl_id);
+ if (ret < 0) {
+ dev_err(ctx->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 the pipeline first and then delete it
+ * The pipe delete is done by sending delete pipeline IPC. DSP will stop the
+ * DMA engines and releases resources
+ */
+int skl_delete_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
+
+ /* If pipe is not started, do not try to stop the pipe in FW. */
+ if (pipe->state > SKL_PIPE_STARTED) {
+ ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to stop pipeline\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_PAUSED;
+ } else {
+ /* If pipe was not created in FW, do not try to delete it */
+ if (pipe->state < SKL_PIPE_CREATED)
+ return 0;
+
+ ret = skl_ipc_delete_pipeline(&ctx->ipc, pipe->ppl_id);
+ if (ret < 0)
+ dev_err(ctx->dev, "Failed to delete pipeline\n");
+ }
+
+ 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_sst *ctx, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(ctx->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(ctx, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to pause pipe\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_PAUSED;
+
+ ret = skl_set_pipe_state(ctx, pipe, PPL_RUNNING);
+ if (ret < 0) {
+ dev_err(ctx->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_sst *ctx, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(ctx->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(ctx, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_dbg(ctx->dev, "Failed to stop pipe\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_CREATED;
+
+ return 0;
+}
diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c
new file mode 100644
index 000000000..13036b19d
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-nhlt.c
@@ -0,0 +1,140 @@
+/*
+ * skl-nhlt.c - Intel SKL Platform NHLT parsing
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author: Sanjiv Kumar <sanjiv.kumar@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ */
+#include "skl.h"
+
+/* Unique identification for getting NHLT blobs */
+static u8 OSC_UUID[16] = {0x6E, 0x88, 0x9F, 0xA6, 0xEB, 0x6C, 0x94, 0x45,
+ 0xA4, 0x1F, 0x7B, 0x5D, 0xCE, 0x24, 0xC5, 0x53};
+
+#define DSDT_NHLT_PATH "\\_SB.PCI0.HDAS"
+
+void __iomem *skl_nhlt_init(struct device *dev)
+{
+ acpi_handle handle;
+ union acpi_object *obj;
+ struct nhlt_resource_desc *nhlt_ptr = NULL;
+
+ if (ACPI_FAILURE(acpi_get_handle(NULL, DSDT_NHLT_PATH, &handle))) {
+ dev_err(dev, "Requested NHLT device not found\n");
+ return NULL;
+ }
+
+ obj = acpi_evaluate_dsm(handle, OSC_UUID, 1, 1, NULL);
+ if (obj && obj->type == ACPI_TYPE_BUFFER) {
+ nhlt_ptr = (struct nhlt_resource_desc *)obj->buffer.pointer;
+
+ return ioremap_cache(nhlt_ptr->min_addr, nhlt_ptr->length);
+ }
+
+ dev_err(dev, "device specific method to extract NHLT blob failed\n");
+ return NULL;
+}
+
+void skl_nhlt_free(void __iomem *addr)
+{
+ iounmap(addr);
+ addr = NULL;
+}
+
+static struct nhlt_specific_cfg *skl_get_specific_cfg(
+ struct device *dev, struct nhlt_fmt *fmt,
+ u8 no_ch, u32 rate, u16 bps)
+{
+ struct nhlt_specific_cfg *sp_config;
+ struct wav_fmt *wfmt;
+ struct nhlt_fmt_cfg *fmt_config = fmt->fmt_config;
+ int i;
+
+ dev_dbg(dev, "Format count =%d\n", fmt->fmt_count);
+
+ for (i = 0; i < fmt->fmt_count; i++) {
+ wfmt = &fmt_config->fmt_ext.fmt;
+ dev_dbg(dev, "ch=%d fmt=%d s_rate=%d\n", wfmt->channels,
+ wfmt->bits_per_sample, wfmt->samples_per_sec);
+ if (wfmt->channels == no_ch && wfmt->samples_per_sec == rate &&
+ wfmt->bits_per_sample == bps) {
+ sp_config = &fmt_config->config;
+
+ return sp_config;
+ }
+
+ fmt_config = (struct nhlt_fmt_cfg *)(fmt_config->config.caps +
+ fmt_config->config.size);
+ }
+
+ return NULL;
+}
+
+static void dump_config(struct device *dev, u32 instance_id, u8 linktype,
+ u8 s_fmt, u8 num_channels, u32 s_rate, u8 dirn, u16 bps)
+{
+ dev_dbg(dev, "Input configuration\n");
+ dev_dbg(dev, "ch=%d fmt=%d s_rate=%d\n", num_channels, s_fmt, s_rate);
+ dev_dbg(dev, "vbus_id=%d link_type=%d\n", instance_id, linktype);
+ dev_dbg(dev, "bits_per_sample=%d\n", bps);
+}
+
+static bool skl_check_ep_match(struct device *dev, struct nhlt_endpoint *epnt,
+ u32 instance_id, u8 link_type, u8 dirn)
+{
+ dev_dbg(dev, "vbus_id=%d link_type=%d dir=%d\n",
+ epnt->virtual_bus_id, epnt->linktype, epnt->direction);
+
+ if ((epnt->virtual_bus_id == instance_id) &&
+ (epnt->linktype == link_type) &&
+ (epnt->direction == dirn))
+ return true;
+ else
+ return false;
+}
+
+struct nhlt_specific_cfg
+*skl_get_ep_blob(struct skl *skl, u32 instance, u8 link_type,
+ u8 s_fmt, u8 num_ch, u32 s_rate, u8 dirn)
+{
+ struct nhlt_fmt *fmt;
+ struct nhlt_endpoint *epnt;
+ struct hdac_bus *bus = ebus_to_hbus(&skl->ebus);
+ struct device *dev = bus->dev;
+ struct nhlt_specific_cfg *sp_config;
+ struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt;
+ u16 bps = num_ch * s_fmt;
+ u8 j;
+
+ dump_config(dev, instance, link_type, s_fmt, num_ch, s_rate, dirn, bps);
+
+ epnt = (struct nhlt_endpoint *)nhlt->desc;
+
+ dev_dbg(dev, "endpoint count =%d\n", nhlt->endpoint_count);
+
+ for (j = 0; j < nhlt->endpoint_count; j++) {
+ if (skl_check_ep_match(dev, epnt, instance, link_type, dirn)) {
+ fmt = (struct nhlt_fmt *)(epnt->config.caps +
+ epnt->config.size);
+ sp_config = skl_get_specific_cfg(dev, fmt, num_ch, s_rate, bps);
+ if (sp_config)
+ return sp_config;
+ }
+
+ epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);
+ }
+
+ return NULL;
+}
diff --git a/sound/soc/intel/skylake/skl-nhlt.h b/sound/soc/intel/skylake/skl-nhlt.h
new file mode 100644
index 000000000..3769f9fef
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-nhlt.h
@@ -0,0 +1,106 @@
+/*
+ * skl-nhlt.h - Intel HDA Platform NHLT header
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author: Sanjiv Kumar <sanjiv.kumar@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ */
+#ifndef __SKL_NHLT_H__
+#define __SKL_NHLT_H__
+
+#include <linux/acpi.h>
+
+struct wav_fmt {
+ u16 fmt_tag;
+ u16 channels;
+ u32 samples_per_sec;
+ u32 avg_bytes_per_sec;
+ u16 block_align;
+ u16 bits_per_sample;
+ u16 cb_size;
+} __packed;
+
+struct wav_fmt_ext {
+ struct wav_fmt fmt;
+ union samples {
+ u16 valid_bits_per_sample;
+ u16 samples_per_block;
+ u16 reserved;
+ } sample;
+ u32 channel_mask;
+ u8 sub_fmt[16];
+} __packed;
+
+enum nhlt_link_type {
+ NHLT_LINK_HDA = 0,
+ NHLT_LINK_DSP = 1,
+ NHLT_LINK_DMIC = 2,
+ NHLT_LINK_SSP = 3,
+ NHLT_LINK_INVALID
+};
+
+enum nhlt_device_type {
+ NHLT_DEVICE_BT = 0,
+ NHLT_DEVICE_DMIC = 1,
+ NHLT_DEVICE_I2S = 4,
+ NHLT_DEVICE_INVALID
+};
+
+struct nhlt_specific_cfg {
+ u32 size;
+ u8 caps[0];
+} __packed;
+
+struct nhlt_fmt_cfg {
+ struct wav_fmt_ext fmt_ext;
+ struct nhlt_specific_cfg config;
+} __packed;
+
+struct nhlt_fmt {
+ u8 fmt_count;
+ struct nhlt_fmt_cfg fmt_config[0];
+} __packed;
+
+struct nhlt_endpoint {
+ u32 length;
+ u8 linktype;
+ u8 instance_id;
+ u16 vendor_id;
+ u16 device_id;
+ u16 revision_id;
+ u32 subsystem_id;
+ u8 device_type;
+ u8 direction;
+ u8 virtual_bus_id;
+ struct nhlt_specific_cfg config;
+} __packed;
+
+struct nhlt_acpi_table {
+ struct acpi_table_header header;
+ u8 endpoint_count;
+ struct nhlt_endpoint desc[0];
+} __packed;
+
+struct nhlt_resource_desc {
+ u32 extra;
+ u16 flags;
+ u64 addr_spc_gra;
+ u64 min_addr;
+ u64 max_addr;
+ u64 addr_trans_offset;
+ u64 length;
+} __packed;
+
+#endif
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
new file mode 100644
index 000000000..7d617bf49
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -0,0 +1,916 @@
+/*
+ * skl-pcm.c -ASoC HDA Platform driver file implementing PCM functionality
+ *
+ * Copyright (C) 2014-2015 Intel Corp
+ * Author: Jeeja KP <jeeja.kp@intel.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/pm_runtime.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include "skl.h"
+
+#define HDA_MONO 1
+#define HDA_STEREO 2
+
+static struct snd_pcm_hardware azx_pcm_hw = {
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_HAS_WALL_CLOCK | /* legacy */
+ SNDRV_PCM_INFO_HAS_LINK_ATIME |
+ SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_48000,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = AZX_MAX_BUF_SIZE,
+ .period_bytes_min = 128,
+ .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
+ .periods_min = 2,
+ .periods_max = AZX_MAX_FRAG,
+ .fifo_size = 0,
+};
+
+static inline
+struct hdac_ext_stream *get_hdac_ext_stream(struct snd_pcm_substream *substream)
+{
+ return substream->runtime->private_data;
+}
+
+static struct hdac_ext_bus *get_bus_ctx(struct snd_pcm_substream *substream)
+{
+ struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
+ struct hdac_stream *hstream = hdac_stream(stream);
+ struct hdac_bus *bus = hstream->bus;
+
+ return hbus_to_ebus(bus);
+}
+
+static int skl_substream_alloc_pages(struct hdac_ext_bus *ebus,
+ struct snd_pcm_substream *substream,
+ size_t size)
+{
+ struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
+
+ hdac_stream(stream)->bufsize = 0;
+ hdac_stream(stream)->period_bytes = 0;
+ hdac_stream(stream)->format_val = 0;
+
+ return snd_pcm_lib_malloc_pages(substream, size);
+}
+
+static int skl_substream_free_pages(struct hdac_bus *bus,
+ struct snd_pcm_substream *substream)
+{
+ return snd_pcm_lib_free_pages(substream);
+}
+
+static void skl_set_pcm_constrains(struct hdac_ext_bus *ebus,
+ struct snd_pcm_runtime *runtime)
+{
+ snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+
+ /* avoid wrap-around with wall-clock */
+ snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME,
+ 20, 178000000);
+}
+
+static enum hdac_ext_stream_type skl_get_host_stream_type(struct hdac_ext_bus *ebus)
+{
+ if (ebus->ppcap)
+ return HDAC_EXT_STREAM_TYPE_HOST;
+ else
+ return HDAC_EXT_STREAM_TYPE_COUPLED;
+}
+
+static int skl_pcm_open(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ struct hdac_ext_stream *stream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct skl_dma_params *dma_params;
+ int ret;
+
+ dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
+ ret = pm_runtime_get_sync(dai->dev);
+ if (ret)
+ return ret;
+
+ stream = snd_hdac_ext_stream_assign(ebus, substream,
+ skl_get_host_stream_type(ebus));
+ if (stream == NULL)
+ return -EBUSY;
+
+ skl_set_pcm_constrains(ebus, runtime);
+
+ /*
+ * disable WALLCLOCK timestamps for capture streams
+ * until we figure out how to handle digital inputs
+ */
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK; /* legacy */
+ runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME;
+ }
+
+ runtime->private_data = stream;
+
+ dma_params = kzalloc(sizeof(*dma_params), GFP_KERNEL);
+ if (!dma_params)
+ return -ENOMEM;
+
+ dma_params->stream_tag = hdac_stream(stream)->stream_tag;
+ snd_soc_dai_set_dma_data(dai, substream, dma_params);
+
+ dev_dbg(dai->dev, "stream tag set in dma params=%d\n",
+ dma_params->stream_tag);
+ snd_pcm_set_sync(substream);
+
+ return 0;
+}
+
+static int skl_get_format(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct skl_dma_params *dma_params;
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ int format_val = 0;
+
+ if (ebus->ppcap) {
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ format_val = snd_hdac_calc_stream_format(runtime->rate,
+ runtime->channels,
+ runtime->format,
+ 32, 0);
+ } else {
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+ dma_params = snd_soc_dai_get_dma_data(codec_dai, substream);
+ if (dma_params)
+ format_val = dma_params->format;
+ }
+
+ return format_val;
+}
+
+static int skl_pcm_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
+ unsigned int format_val;
+ int err;
+
+ dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
+ if (hdac_stream(stream)->prepared) {
+ dev_dbg(dai->dev, "already stream is prepared - returning\n");
+ return 0;
+ }
+
+ format_val = skl_get_format(substream, dai);
+ dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d\n",
+ hdac_stream(stream)->stream_tag, format_val);
+ snd_hdac_stream_reset(hdac_stream(stream));
+
+ err = snd_hdac_stream_set_params(hdac_stream(stream), format_val);
+ if (err < 0)
+ return err;
+
+ err = snd_hdac_stream_setup(hdac_stream(stream));
+ if (err < 0)
+ return err;
+
+ hdac_stream(stream)->prepared = 1;
+
+ return err;
+}
+
+static int skl_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret, dma_id;
+
+ dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
+ ret = skl_substream_alloc_pages(ebus, substream,
+ params_buffer_bytes(params));
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(dai->dev, "format_val, rate=%d, ch=%d, format=%d\n",
+ runtime->rate, runtime->channels, runtime->format);
+
+ dma_id = hdac_stream(stream)->stream_tag - 1;
+ dev_dbg(dai->dev, "dma_id=%d\n", dma_id);
+
+ return 0;
+}
+
+static void skl_pcm_close(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ struct skl_dma_params *dma_params = NULL;
+
+ dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
+
+ snd_hdac_ext_stream_release(stream, skl_get_host_stream_type(ebus));
+
+ dma_params = snd_soc_dai_get_dma_data(dai, substream);
+ /*
+ * now we should set this to NULL as we are freeing by the
+ * dma_params
+ */
+ snd_soc_dai_set_dma_data(dai, substream, NULL);
+
+ pm_runtime_mark_last_busy(dai->dev);
+ pm_runtime_put_autosuspend(dai->dev);
+ kfree(dma_params);
+}
+
+static int skl_pcm_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
+
+ dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
+
+ snd_hdac_stream_cleanup(hdac_stream(stream));
+ hdac_stream(stream)->prepared = 0;
+
+ return skl_substream_free_pages(ebus_to_hbus(ebus), substream);
+}
+
+static int skl_link_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ struct hdac_ext_stream *link_dev;
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct skl_dma_params *dma_params;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int dma_id;
+
+ pr_debug("%s\n", __func__);
+ link_dev = snd_hdac_ext_stream_assign(ebus, substream,
+ HDAC_EXT_STREAM_TYPE_LINK);
+ if (!link_dev)
+ return -EBUSY;
+
+ snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
+
+ /* set the stream tag in the codec dai dma params */
+ dma_params = (struct skl_dma_params *)
+ snd_soc_dai_get_dma_data(codec_dai, substream);
+ if (dma_params)
+ dma_params->stream_tag = hdac_stream(link_dev)->stream_tag;
+ snd_soc_dai_set_dma_data(codec_dai, substream, (void *)dma_params);
+ dma_id = hdac_stream(link_dev)->stream_tag - 1;
+
+ return 0;
+}
+
+static int skl_link_pcm_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ struct hdac_ext_stream *link_dev =
+ snd_soc_dai_get_dma_data(dai, substream);
+ unsigned int format_val = 0;
+ struct skl_dma_params *dma_params;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_pcm_hw_params *params;
+ struct snd_interval *channels, *rate;
+ struct hdac_ext_link *link;
+
+ dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
+ if (link_dev->link_prepared) {
+ dev_dbg(dai->dev, "already stream is prepared - returning\n");
+ return 0;
+ }
+ params = devm_kzalloc(dai->dev, sizeof(*params), GFP_KERNEL);
+ if (params == NULL)
+ return -ENOMEM;
+
+ channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ channels->min = channels->max = substream->runtime->channels;
+ rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+ rate->min = rate->max = substream->runtime->rate;
+ snd_mask_set(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT -
+ SNDRV_PCM_HW_PARAM_FIRST_MASK],
+ substream->runtime->format);
+
+
+ dma_params = (struct skl_dma_params *)
+ snd_soc_dai_get_dma_data(codec_dai, substream);
+ if (dma_params)
+ format_val = dma_params->format;
+ dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d codec_dai_name=%s\n",
+ hdac_stream(link_dev)->stream_tag, format_val, codec_dai->name);
+
+ snd_hdac_ext_link_stream_reset(link_dev);
+
+ snd_hdac_ext_link_stream_setup(link_dev, format_val);
+
+ link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name);
+ if (!link)
+ return -EINVAL;
+
+ snd_hdac_ext_link_set_stream_id(link, hdac_stream(link_dev)->stream_tag);
+ link_dev->link_prepared = 1;
+
+ return 0;
+}
+
+static int skl_link_pcm_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct hdac_ext_stream *link_dev =
+ snd_soc_dai_get_dma_data(dai, substream);
+
+ dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ snd_hdac_ext_link_stream_start(link_dev);
+ break;
+
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_STOP:
+ snd_hdac_ext_link_stream_clear(link_dev);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int skl_link_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct hdac_ext_stream *link_dev =
+ snd_soc_dai_get_dma_data(dai, substream);
+ struct hdac_ext_link *link;
+
+ dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
+
+ link_dev->link_prepared = 0;
+
+ link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name);
+ if (!link)
+ return -EINVAL;
+
+ snd_hdac_ext_link_clear_stream_id(link, hdac_stream(link_dev)->stream_tag);
+ snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK);
+ return 0;
+}
+
+static int skl_hda_be_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ return pm_runtime_get_sync(dai->dev);
+}
+
+static void skl_hda_be_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ pm_runtime_mark_last_busy(dai->dev);
+ pm_runtime_put_autosuspend(dai->dev);
+}
+
+static struct snd_soc_dai_ops skl_pcm_dai_ops = {
+ .startup = skl_pcm_open,
+ .shutdown = skl_pcm_close,
+ .prepare = skl_pcm_prepare,
+ .hw_params = skl_pcm_hw_params,
+ .hw_free = skl_pcm_hw_free,
+};
+
+static struct snd_soc_dai_ops skl_dmic_dai_ops = {
+ .startup = skl_hda_be_startup,
+ .shutdown = skl_hda_be_shutdown,
+};
+
+static struct snd_soc_dai_ops skl_link_dai_ops = {
+ .startup = skl_hda_be_startup,
+ .prepare = skl_link_pcm_prepare,
+ .hw_params = skl_link_hw_params,
+ .hw_free = skl_link_hw_free,
+ .trigger = skl_link_pcm_trigger,
+ .shutdown = skl_hda_be_shutdown,
+};
+
+static struct snd_soc_dai_driver skl_platform_dai[] = {
+{
+ .name = "System Pin",
+ .ops = &skl_pcm_dai_ops,
+ .playback = {
+ .stream_name = "System Playback",
+ .channels_min = HDA_MONO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+ .capture = {
+ .stream_name = "System Capture",
+ .channels_min = HDA_MONO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+{
+ .name = "Reference Pin",
+ .ops = &skl_pcm_dai_ops,
+ .capture = {
+ .stream_name = "Reference Capture",
+ .channels_min = HDA_MONO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+{
+ .name = "Deepbuffer Pin",
+ .ops = &skl_pcm_dai_ops,
+ .playback = {
+ .stream_name = "Deepbuffer Playback",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+{
+ .name = "LowLatency Pin",
+ .ops = &skl_pcm_dai_ops,
+ .playback = {
+ .stream_name = "Low Latency Playback",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+/* BE CPU Dais */
+{
+ .name = "iDisp Pin",
+ .ops = &skl_link_dai_ops,
+ .playback = {
+ .stream_name = "iDisp Tx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+},
+{
+ .name = "DMIC01 Pin",
+ .ops = &skl_dmic_dai_ops,
+ .capture = {
+ .stream_name = "DMIC01 Rx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+{
+ .name = "DMIC23 Pin",
+ .ops = &skl_dmic_dai_ops,
+ .capture = {
+ .stream_name = "DMIC23 Rx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+{
+ .name = "HD-Codec Pin",
+ .ops = &skl_link_dai_ops,
+ .playback = {
+ .stream_name = "HD-Codec Tx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .stream_name = "HD-Codec Rx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+},
+{
+ .name = "HD-Codec-SPK Pin",
+ .ops = &skl_link_dai_ops,
+ .playback = {
+ .stream_name = "HD-Codec-SPK Tx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+},
+{
+ .name = "HD-Codec-AMIC Pin",
+ .ops = &skl_link_dai_ops,
+ .capture = {
+ .stream_name = "HD-Codec-AMIC Rx",
+ .channels_min = HDA_STEREO,
+ .channels_max = HDA_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+},
+};
+
+static int skl_platform_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai_link *dai_link = rtd->dai_link;
+
+ dev_dbg(rtd->cpu_dai->dev, "In %s:%s\n", __func__,
+ dai_link->cpu_dai_name);
+
+ runtime = substream->runtime;
+ snd_soc_set_runtime_hwparams(substream, &azx_pcm_hw);
+
+ return 0;
+}
+
+static int skl_pcm_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct hdac_ext_bus *ebus = get_bus_ctx(substream);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct hdac_ext_stream *stream;
+ struct snd_pcm_substream *s;
+ bool start;
+ int sbits = 0;
+ unsigned long cookie;
+ struct hdac_stream *hstr;
+
+ stream = get_hdac_ext_stream(substream);
+ hstr = hdac_stream(stream);
+
+ dev_dbg(bus->dev, "In %s cmd=%d\n", __func__, cmd);
+
+ if (!hstr->prepared)
+ return -EPIPE;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ start = true;
+ break;
+
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_STOP:
+ start = false;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s->pcm->card != substream->pcm->card)
+ continue;
+ stream = get_hdac_ext_stream(s);
+ sbits |= 1 << hdac_stream(stream)->index;
+ snd_pcm_trigger_done(s, substream);
+ }
+
+ spin_lock_irqsave(&bus->reg_lock, cookie);
+
+ /* first, set SYNC bits of corresponding streams */
+ snd_hdac_stream_sync_trigger(hstr, true, sbits, AZX_REG_SSYNC);
+
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s->pcm->card != substream->pcm->card)
+ continue;
+ stream = get_hdac_ext_stream(s);
+ if (start)
+ snd_hdac_stream_start(hdac_stream(stream), true);
+ else
+ snd_hdac_stream_stop(hdac_stream(stream));
+ }
+ spin_unlock_irqrestore(&bus->reg_lock, cookie);
+
+ snd_hdac_stream_sync(hstr, start, sbits);
+
+ spin_lock_irqsave(&bus->reg_lock, cookie);
+
+ /* reset SYNC bits */
+ snd_hdac_stream_sync_trigger(hstr, false, sbits, AZX_REG_SSYNC);
+ if (start)
+ snd_hdac_stream_timecounter_init(hstr, sbits);
+ spin_unlock_irqrestore(&bus->reg_lock, cookie);
+
+ return 0;
+}
+
+static int skl_dsp_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct hdac_ext_bus *ebus = get_bus_ctx(substream);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct hdac_ext_stream *stream;
+ int start;
+ unsigned long cookie;
+ struct hdac_stream *hstr;
+
+ dev_dbg(bus->dev, "In %s cmd=%d streamname=%s\n", __func__, cmd, cpu_dai->name);
+
+ stream = get_hdac_ext_stream(substream);
+ hstr = hdac_stream(stream);
+
+ if (!hstr->prepared)
+ return -EPIPE;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ start = 1;
+ break;
+
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_STOP:
+ start = 0;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&bus->reg_lock, cookie);
+
+ if (start)
+ snd_hdac_stream_start(hdac_stream(stream), true);
+ else
+ snd_hdac_stream_stop(hdac_stream(stream));
+
+ if (start)
+ snd_hdac_stream_timecounter_init(hstr, 0);
+
+ spin_unlock_irqrestore(&bus->reg_lock, cookie);
+
+ return 0;
+}
+static int skl_platform_pcm_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct hdac_ext_bus *ebus = get_bus_ctx(substream);
+
+ if (ebus->ppcap)
+ return skl_dsp_trigger(substream, cmd);
+ else
+ return skl_pcm_trigger(substream, cmd);
+}
+
+/* calculate runtime delay from LPIB */
+static int skl_get_delay_from_lpib(struct hdac_ext_bus *ebus,
+ struct hdac_ext_stream *sstream,
+ unsigned int pos)
+{
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct hdac_stream *hstream = hdac_stream(sstream);
+ struct snd_pcm_substream *substream = hstream->substream;
+ int stream = substream->stream;
+ unsigned int lpib_pos = snd_hdac_stream_get_pos_lpib(hstream);
+ int delay;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ delay = pos - lpib_pos;
+ else
+ delay = lpib_pos - pos;
+
+ if (delay < 0) {
+ if (delay >= hstream->delay_negative_threshold)
+ delay = 0;
+ else
+ delay += hstream->bufsize;
+ }
+
+ if (delay >= hstream->period_bytes) {
+ dev_info(bus->dev,
+ "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
+ delay, hstream->period_bytes);
+ delay = 0;
+ }
+
+ return bytes_to_frames(substream->runtime, delay);
+}
+
+static unsigned int skl_get_position(struct hdac_ext_stream *hstream,
+ int codec_delay)
+{
+ struct hdac_stream *hstr = hdac_stream(hstream);
+ struct snd_pcm_substream *substream = hstr->substream;
+ struct hdac_ext_bus *ebus = get_bus_ctx(substream);
+ unsigned int pos;
+ int delay;
+
+ /* use the position buffer as default */
+ pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream));
+
+ if (pos >= hdac_stream(hstream)->bufsize)
+ pos = 0;
+
+ if (substream->runtime) {
+ delay = skl_get_delay_from_lpib(ebus, hstream, pos)
+ + codec_delay;
+ substream->runtime->delay += delay;
+ }
+
+ return pos;
+}
+
+static snd_pcm_uframes_t skl_platform_pcm_pointer
+ (struct snd_pcm_substream *substream)
+{
+ struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream);
+
+ return bytes_to_frames(substream->runtime,
+ skl_get_position(hstream, 0));
+}
+
+static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream,
+ u64 nsec)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ u64 codec_frames, codec_nsecs;
+
+ if (!codec_dai->driver->ops->delay)
+ return nsec;
+
+ codec_frames = codec_dai->driver->ops->delay(substream, codec_dai);
+ codec_nsecs = div_u64(codec_frames * 1000000000LL,
+ substream->runtime->rate);
+
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ return nsec + codec_nsecs;
+
+ return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0;
+}
+
+static int skl_get_time_info(struct snd_pcm_substream *substream,
+ struct timespec *system_ts, struct timespec *audio_ts,
+ struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
+ struct snd_pcm_audio_tstamp_report *audio_tstamp_report)
+{
+ struct hdac_ext_stream *sstream = get_hdac_ext_stream(substream);
+ struct hdac_stream *hstr = hdac_stream(sstream);
+ u64 nsec;
+
+ if ((substream->runtime->hw.info & SNDRV_PCM_INFO_HAS_LINK_ATIME) &&
+ (audio_tstamp_config->type_requested == SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK)) {
+
+ snd_pcm_gettime(substream->runtime, system_ts);
+
+ nsec = timecounter_read(&hstr->tc);
+ nsec = div_u64(nsec, 3); /* can be optimized */
+ if (audio_tstamp_config->report_delay)
+ nsec = skl_adjust_codec_delay(substream, nsec);
+
+ *audio_ts = ns_to_timespec(nsec);
+
+ audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK;
+ audio_tstamp_report->accuracy_report = 1; /* rest of struct is valid */
+ audio_tstamp_report->accuracy = 42; /* 24MHzWallClk == 42ns resolution */
+
+ } else {
+ audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT;
+ }
+
+ return 0;
+}
+
+static struct snd_pcm_ops skl_platform_ops = {
+ .open = skl_platform_open,
+ .ioctl = snd_pcm_lib_ioctl,
+ .trigger = skl_platform_pcm_trigger,
+ .pointer = skl_platform_pcm_pointer,
+ .get_time_info = skl_get_time_info,
+ .mmap = snd_pcm_lib_default_mmap,
+ .page = snd_pcm_sgbuf_ops_page,
+};
+
+static void skl_pcm_free(struct snd_pcm *pcm)
+{
+ snd_pcm_lib_preallocate_free_for_all(pcm);
+}
+
+#define MAX_PREALLOC_SIZE (32 * 1024 * 1024)
+
+static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
+ struct snd_pcm *pcm = rtd->pcm;
+ unsigned int size;
+ int retval = 0;
+ struct skl *skl = ebus_to_skl(ebus);
+
+ if (dai->driver->playback.channels_min ||
+ dai->driver->capture.channels_min) {
+ /* buffer pre-allocation */
+ size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
+ if (size > MAX_PREALLOC_SIZE)
+ size = MAX_PREALLOC_SIZE;
+ retval = snd_pcm_lib_preallocate_pages_for_all(pcm,
+ SNDRV_DMA_TYPE_DEV_SG,
+ snd_dma_pci_data(skl->pci),
+ size, MAX_PREALLOC_SIZE);
+ if (retval) {
+ dev_err(dai->dev, "dma buffer allocationf fail\n");
+ return retval;
+ }
+ }
+
+ return retval;
+}
+
+static struct snd_soc_platform_driver skl_platform_drv = {
+ .ops = &skl_platform_ops,
+ .pcm_new = skl_pcm_new,
+ .pcm_free = skl_pcm_free,
+};
+
+static const struct snd_soc_component_driver skl_component = {
+ .name = "pcm",
+};
+
+int skl_platform_register(struct device *dev)
+{
+ int ret;
+
+ ret = snd_soc_register_platform(dev, &skl_platform_drv);
+ if (ret) {
+ dev_err(dev, "soc platform registration failed %d\n", ret);
+ return ret;
+ }
+ ret = snd_soc_register_component(dev, &skl_component,
+ skl_platform_dai,
+ ARRAY_SIZE(skl_platform_dai));
+ if (ret) {
+ dev_err(dev, "soc component registration failed %d\n", ret);
+ snd_soc_unregister_platform(dev);
+ }
+
+ return ret;
+
+}
+
+int skl_platform_unregister(struct device *dev)
+{
+ snd_soc_unregister_component(dev);
+ snd_soc_unregister_platform(dev);
+ return 0;
+}
diff --git a/sound/soc/intel/skylake/skl-sst-cldma.c b/sound/soc/intel/skylake/skl-sst-cldma.c
new file mode 100644
index 000000000..44748ba98
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-sst-cldma.c
@@ -0,0 +1,327 @@
+/*
+ * skl-sst-cldma.c - Code Loader DMA handler
+ *
+ * Copyright (C) 2015, Intel Corporation.
+ * Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/device.h>
+#include <linux/mm.h>
+#include <linux/kthread.h>
+#include "../common/sst-dsp.h"
+#include "../common/sst-dsp-priv.h"
+
+static void skl_cldma_int_enable(struct sst_dsp *ctx)
+{
+ sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPIC,
+ SKL_ADSPIC_CL_DMA, SKL_ADSPIC_CL_DMA);
+}
+
+void skl_cldma_int_disable(struct sst_dsp *ctx)
+{
+ sst_dsp_shim_update_bits_unlocked(ctx,
+ SKL_ADSP_REG_ADSPIC, SKL_ADSPIC_CL_DMA, 0);
+}
+
+/* Code loader helper APIs */
+static void skl_cldma_setup_bdle(struct sst_dsp *ctx,
+ struct snd_dma_buffer *dmab_data,
+ u32 **bdlp, int size, int with_ioc)
+{
+ u32 *bdl = *bdlp;
+
+ ctx->cl_dev.frags = 0;
+ while (size > 0) {
+ phys_addr_t addr = virt_to_phys(dmab_data->area +
+ (ctx->cl_dev.frags * ctx->cl_dev.bufsize));
+
+ bdl[0] = cpu_to_le32(lower_32_bits(addr));
+ bdl[1] = cpu_to_le32(upper_32_bits(addr));
+
+ bdl[2] = cpu_to_le32(ctx->cl_dev.bufsize);
+
+ size -= ctx->cl_dev.bufsize;
+ bdl[3] = (size || !with_ioc) ? 0 : cpu_to_le32(0x01);
+
+ bdl += 4;
+ ctx->cl_dev.frags++;
+ }
+}
+
+/*
+ * Setup controller
+ * Configure the registers to update the dma buffer address and
+ * enable interrupts.
+ * Note: Using the channel 1 for transfer
+ */
+static void skl_cldma_setup_controller(struct sst_dsp *ctx,
+ struct snd_dma_buffer *dmab_bdl, unsigned int max_size,
+ u32 count)
+{
+ sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPL,
+ CL_SD_BDLPLBA(dmab_bdl->addr));
+ sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPU,
+ CL_SD_BDLPUBA(dmab_bdl->addr));
+
+ sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_CBL, max_size);
+ sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_LVI, count - 1);
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_IOCE_MASK, CL_SD_CTL_IOCE(1));
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_FEIE_MASK, CL_SD_CTL_FEIE(1));
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_DEIE_MASK, CL_SD_CTL_DEIE(1));
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_STRM_MASK, CL_SD_CTL_STRM(FW_CL_STREAM_NUMBER));
+}
+
+static void skl_cldma_setup_spb(struct sst_dsp *ctx,
+ unsigned int size, bool enable)
+{
+ if (enable)
+ sst_dsp_shim_update_bits_unlocked(ctx,
+ SKL_ADSP_REG_CL_SPBFIFO_SPBFCCTL,
+ CL_SPBFIFO_SPBFCCTL_SPIBE_MASK,
+ CL_SPBFIFO_SPBFCCTL_SPIBE(1));
+
+ sst_dsp_shim_write_unlocked(ctx, SKL_ADSP_REG_CL_SPBFIFO_SPIB, size);
+}
+
+static void skl_cldma_cleanup_spb(struct sst_dsp *ctx)
+{
+ sst_dsp_shim_update_bits_unlocked(ctx,
+ SKL_ADSP_REG_CL_SPBFIFO_SPBFCCTL,
+ CL_SPBFIFO_SPBFCCTL_SPIBE_MASK,
+ CL_SPBFIFO_SPBFCCTL_SPIBE(0));
+
+ sst_dsp_shim_write_unlocked(ctx, SKL_ADSP_REG_CL_SPBFIFO_SPIB, 0);
+}
+
+static void skl_cldma_trigger(struct sst_dsp *ctx, bool enable)
+{
+ if (enable)
+ sst_dsp_shim_update_bits_unlocked(ctx,
+ SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_RUN_MASK, CL_SD_CTL_RUN(1));
+ else
+ sst_dsp_shim_update_bits_unlocked(ctx,
+ SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_RUN_MASK, CL_SD_CTL_RUN(0));
+}
+
+static void skl_cldma_cleanup(struct sst_dsp *ctx)
+{
+ skl_cldma_cleanup_spb(ctx);
+
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_IOCE_MASK, CL_SD_CTL_IOCE(0));
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_FEIE_MASK, CL_SD_CTL_FEIE(0));
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_DEIE_MASK, CL_SD_CTL_DEIE(0));
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+ CL_SD_CTL_STRM_MASK, CL_SD_CTL_STRM(0));
+
+ sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPL, CL_SD_BDLPLBA(0));
+ sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPU, 0);
+
+ sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_CBL, 0);
+ sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_LVI, 0);
+}
+
+static int skl_cldma_wait_interruptible(struct sst_dsp *ctx)
+{
+ int ret = 0;
+
+ if (!wait_event_timeout(ctx->cl_dev.wait_queue,
+ ctx->cl_dev.wait_condition,
+ msecs_to_jiffies(SKL_WAIT_TIMEOUT))) {
+ dev_err(ctx->dev, "%s: Wait timeout\n", __func__);
+ ret = -EIO;
+ goto cleanup;
+ }
+
+ dev_dbg(ctx->dev, "%s: Event wake\n", __func__);
+ if (ctx->cl_dev.wake_status != SKL_CL_DMA_BUF_COMPLETE) {
+ dev_err(ctx->dev, "%s: DMA Error\n", __func__);
+ ret = -EIO;
+ }
+
+cleanup:
+ ctx->cl_dev.wake_status = SKL_CL_DMA_STATUS_NONE;
+ return ret;
+}
+
+static void skl_cldma_stop(struct sst_dsp *ctx)
+{
+ ctx->cl_dev.ops.cl_trigger(ctx, false);
+}
+
+static void skl_cldma_fill_buffer(struct sst_dsp *ctx, unsigned int size,
+ const void *curr_pos, bool intr_enable, bool trigger)
+{
+ dev_dbg(ctx->dev, "Size: %x, intr_enable: %d\n", size, intr_enable);
+ dev_dbg(ctx->dev, "buf_pos_index:%d, trigger:%d\n",
+ ctx->cl_dev.dma_buffer_offset, trigger);
+ dev_dbg(ctx->dev, "spib position: %d\n", ctx->cl_dev.curr_spib_pos);
+
+ memcpy(ctx->cl_dev.dmab_data.area + ctx->cl_dev.dma_buffer_offset,
+ curr_pos, size);
+
+ if (ctx->cl_dev.curr_spib_pos == ctx->cl_dev.bufsize)
+ ctx->cl_dev.dma_buffer_offset = 0;
+ else
+ ctx->cl_dev.dma_buffer_offset = ctx->cl_dev.curr_spib_pos;
+
+ ctx->cl_dev.wait_condition = false;
+
+ if (intr_enable)
+ skl_cldma_int_enable(ctx);
+
+ ctx->cl_dev.ops.cl_setup_spb(ctx, ctx->cl_dev.curr_spib_pos, trigger);
+ if (trigger)
+ ctx->cl_dev.ops.cl_trigger(ctx, true);
+}
+
+/*
+ * The CL dma doesn't have any way to update the transfer status until a BDL
+ * buffer is fully transferred
+ *
+ * So Copying is divided in two parts.
+ * 1. Interrupt on buffer done where the size to be transferred is more than
+ * ring buffer size.
+ * 2. Polling on fw register to identify if data left to transferred doesn't
+ * fill the ring buffer. Caller takes care of polling the required status
+ * register to identify the transfer status.
+ */
+static int
+skl_cldma_copy_to_buf(struct sst_dsp *ctx, const void *bin, u32 total_size)
+{
+ int ret = 0;
+ bool start = true;
+ unsigned int excess_bytes;
+ u32 size;
+ unsigned int bytes_left = total_size;
+ const void *curr_pos = bin;
+
+ if (total_size <= 0)
+ return -EINVAL;
+
+ dev_dbg(ctx->dev, "%s: Total binary size: %u\n", __func__, bytes_left);
+
+ while (bytes_left) {
+ if (bytes_left > ctx->cl_dev.bufsize) {
+
+ /*
+ * dma transfers only till the write pointer as
+ * updated in spib
+ */
+ if (ctx->cl_dev.curr_spib_pos == 0)
+ ctx->cl_dev.curr_spib_pos = ctx->cl_dev.bufsize;
+
+ size = ctx->cl_dev.bufsize;
+ skl_cldma_fill_buffer(ctx, size, curr_pos, true, start);
+
+ start = false;
+ ret = skl_cldma_wait_interruptible(ctx);
+ if (ret < 0) {
+ skl_cldma_stop(ctx);
+ return ret;
+ }
+
+ } else {
+ skl_cldma_int_disable(ctx);
+
+ if ((ctx->cl_dev.curr_spib_pos + bytes_left)
+ <= ctx->cl_dev.bufsize) {
+ ctx->cl_dev.curr_spib_pos += bytes_left;
+ } else {
+ excess_bytes = bytes_left -
+ (ctx->cl_dev.bufsize -
+ ctx->cl_dev.curr_spib_pos);
+ ctx->cl_dev.curr_spib_pos = excess_bytes;
+ }
+
+ size = bytes_left;
+ skl_cldma_fill_buffer(ctx, size,
+ curr_pos, false, start);
+ }
+ bytes_left -= size;
+ curr_pos = curr_pos + size;
+ }
+
+ return ret;
+}
+
+void skl_cldma_process_intr(struct sst_dsp *ctx)
+{
+ u8 cl_dma_intr_status;
+
+ cl_dma_intr_status =
+ sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_CL_SD_STS);
+
+ if (!(cl_dma_intr_status & SKL_CL_DMA_SD_INT_COMPLETE))
+ ctx->cl_dev.wake_status = SKL_CL_DMA_ERR;
+ else
+ ctx->cl_dev.wake_status = SKL_CL_DMA_BUF_COMPLETE;
+
+ ctx->cl_dev.wait_condition = true;
+ wake_up(&ctx->cl_dev.wait_queue);
+}
+
+int skl_cldma_prepare(struct sst_dsp *ctx)
+{
+ int ret;
+ u32 *bdl;
+
+ ctx->cl_dev.bufsize = SKL_MAX_BUFFER_SIZE;
+
+ /* Allocate cl ops */
+ ctx->cl_dev.ops.cl_setup_bdle = skl_cldma_setup_bdle;
+ ctx->cl_dev.ops.cl_setup_controller = skl_cldma_setup_controller;
+ ctx->cl_dev.ops.cl_setup_spb = skl_cldma_setup_spb;
+ ctx->cl_dev.ops.cl_cleanup_spb = skl_cldma_cleanup_spb;
+ ctx->cl_dev.ops.cl_trigger = skl_cldma_trigger;
+ ctx->cl_dev.ops.cl_cleanup_controller = skl_cldma_cleanup;
+ ctx->cl_dev.ops.cl_copy_to_dmabuf = skl_cldma_copy_to_buf;
+ ctx->cl_dev.ops.cl_stop_dma = skl_cldma_stop;
+
+ /* Allocate buffer*/
+ ret = ctx->dsp_ops.alloc_dma_buf(ctx->dev,
+ &ctx->cl_dev.dmab_data, ctx->cl_dev.bufsize);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Alloc buffer for base fw failed: %x", ret);
+ return ret;
+ }
+ /* Setup Code loader BDL */
+ ret = ctx->dsp_ops.alloc_dma_buf(ctx->dev,
+ &ctx->cl_dev.dmab_bdl, PAGE_SIZE);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Alloc buffer for blde failed: %x", ret);
+ ctx->dsp_ops.free_dma_buf(ctx->dev, &ctx->cl_dev.dmab_data);
+ return ret;
+ }
+ bdl = (u32 *)ctx->cl_dev.dmab_bdl.area;
+
+ /* Allocate BDLs */
+ ctx->cl_dev.ops.cl_setup_bdle(ctx, &ctx->cl_dev.dmab_data,
+ &bdl, ctx->cl_dev.bufsize, 1);
+ ctx->cl_dev.ops.cl_setup_controller(ctx, &ctx->cl_dev.dmab_bdl,
+ ctx->cl_dev.bufsize, ctx->cl_dev.frags);
+
+ ctx->cl_dev.curr_spib_pos = 0;
+ ctx->cl_dev.dma_buffer_offset = 0;
+ init_waitqueue_head(&ctx->cl_dev.wait_queue);
+
+ return ret;
+}
diff --git a/sound/soc/intel/skylake/skl-sst-cldma.h b/sound/soc/intel/skylake/skl-sst-cldma.h
new file mode 100644
index 000000000..99e4c86b6
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-sst-cldma.h
@@ -0,0 +1,251 @@
+/*
+ * Intel Code Loader DMA support
+ *
+ * Copyright (C) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef SKL_SST_CLDMA_H_
+#define SKL_SST_CLDMA_H_
+
+#define FW_CL_STREAM_NUMBER 0x1
+
+#define DMA_ADDRESS_128_BITS_ALIGNMENT 7
+#define BDL_ALIGN(x) (x >> DMA_ADDRESS_128_BITS_ALIGNMENT)
+
+#define SKL_ADSPIC_CL_DMA 0x2
+#define SKL_ADSPIS_CL_DMA 0x2
+#define SKL_CL_DMA_SD_INT_DESC_ERR 0x10 /* Descriptor error interrupt */
+#define SKL_CL_DMA_SD_INT_FIFO_ERR 0x08 /* FIFO error interrupt */
+#define SKL_CL_DMA_SD_INT_COMPLETE 0x04 /* Buffer completion interrupt */
+
+/* Intel HD Audio Code Loader DMA Registers */
+
+#define HDA_ADSP_LOADER_BASE 0x80
+
+/* Stream Registers */
+#define SKL_ADSP_REG_CL_SD_CTL (HDA_ADSP_LOADER_BASE + 0x00)
+#define SKL_ADSP_REG_CL_SD_STS (HDA_ADSP_LOADER_BASE + 0x03)
+#define SKL_ADSP_REG_CL_SD_LPIB (HDA_ADSP_LOADER_BASE + 0x04)
+#define SKL_ADSP_REG_CL_SD_CBL (HDA_ADSP_LOADER_BASE + 0x08)
+#define SKL_ADSP_REG_CL_SD_LVI (HDA_ADSP_LOADER_BASE + 0x0c)
+#define SKL_ADSP_REG_CL_SD_FIFOW (HDA_ADSP_LOADER_BASE + 0x0e)
+#define SKL_ADSP_REG_CL_SD_FIFOSIZE (HDA_ADSP_LOADER_BASE + 0x10)
+#define SKL_ADSP_REG_CL_SD_FORMAT (HDA_ADSP_LOADER_BASE + 0x12)
+#define SKL_ADSP_REG_CL_SD_FIFOL (HDA_ADSP_LOADER_BASE + 0x14)
+#define SKL_ADSP_REG_CL_SD_BDLPL (HDA_ADSP_LOADER_BASE + 0x18)
+#define SKL_ADSP_REG_CL_SD_BDLPU (HDA_ADSP_LOADER_BASE + 0x1c)
+
+/* CL: Software Position Based FIFO Capability Registers */
+#define SKL_ADSP_REG_CL_SPBFIFO (HDA_ADSP_LOADER_BASE + 0x20)
+#define SKL_ADSP_REG_CL_SPBFIFO_SPBFCH (SKL_ADSP_REG_CL_SPBFIFO + 0x0)
+#define SKL_ADSP_REG_CL_SPBFIFO_SPBFCCTL (SKL_ADSP_REG_CL_SPBFIFO + 0x4)
+#define SKL_ADSP_REG_CL_SPBFIFO_SPIB (SKL_ADSP_REG_CL_SPBFIFO + 0x8)
+#define SKL_ADSP_REG_CL_SPBFIFO_MAXFIFOS (SKL_ADSP_REG_CL_SPBFIFO + 0xc)
+
+/* CL: Stream Descriptor x Control */
+
+/* Stream Reset */
+#define CL_SD_CTL_SRST_SHIFT 0
+#define CL_SD_CTL_SRST_MASK (1 << CL_SD_CTL_SRST_SHIFT)
+#define CL_SD_CTL_SRST(x) \
+ ((x << CL_SD_CTL_SRST_SHIFT) & CL_SD_CTL_SRST_MASK)
+
+/* Stream Run */
+#define CL_SD_CTL_RUN_SHIFT 1
+#define CL_SD_CTL_RUN_MASK (1 << CL_SD_CTL_RUN_SHIFT)
+#define CL_SD_CTL_RUN(x) \
+ ((x << CL_SD_CTL_RUN_SHIFT) & CL_SD_CTL_RUN_MASK)
+
+/* Interrupt On Completion Enable */
+#define CL_SD_CTL_IOCE_SHIFT 2
+#define CL_SD_CTL_IOCE_MASK (1 << CL_SD_CTL_IOCE_SHIFT)
+#define CL_SD_CTL_IOCE(x) \
+ ((x << CL_SD_CTL_IOCE_SHIFT) & CL_SD_CTL_IOCE_MASK)
+
+/* FIFO Error Interrupt Enable */
+#define CL_SD_CTL_FEIE_SHIFT 3
+#define CL_SD_CTL_FEIE_MASK (1 << CL_SD_CTL_FEIE_SHIFT)
+#define CL_SD_CTL_FEIE(x) \
+ ((x << CL_SD_CTL_FEIE_SHIFT) & CL_SD_CTL_FEIE_MASK)
+
+/* Descriptor Error Interrupt Enable */
+#define CL_SD_CTL_DEIE_SHIFT 4
+#define CL_SD_CTL_DEIE_MASK (1 << CL_SD_CTL_DEIE_SHIFT)
+#define CL_SD_CTL_DEIE(x) \
+ ((x << CL_SD_CTL_DEIE_SHIFT) & CL_SD_CTL_DEIE_MASK)
+
+/* FIFO Limit Change */
+#define CL_SD_CTL_FIFOLC_SHIFT 5
+#define CL_SD_CTL_FIFOLC_MASK (1 << CL_SD_CTL_FIFOLC_SHIFT)
+#define CL_SD_CTL_FIFOLC(x) \
+ ((x << CL_SD_CTL_FIFOLC_SHIFT) & CL_SD_CTL_FIFOLC_MASK)
+
+/* Stripe Control */
+#define CL_SD_CTL_STRIPE_SHIFT 16
+#define CL_SD_CTL_STRIPE_MASK (0x3 << CL_SD_CTL_STRIPE_SHIFT)
+#define CL_SD_CTL_STRIPE(x) \
+ ((x << CL_SD_CTL_STRIPE_SHIFT) & CL_SD_CTL_STRIPE_MASK)
+
+/* Traffic Priority */
+#define CL_SD_CTL_TP_SHIFT 18
+#define CL_SD_CTL_TP_MASK (1 << CL_SD_CTL_TP_SHIFT)
+#define CL_SD_CTL_TP(x) \
+ ((x << CL_SD_CTL_TP_SHIFT) & CL_SD_CTL_TP_MASK)
+
+/* Bidirectional Direction Control */
+#define CL_SD_CTL_DIR_SHIFT 19
+#define CL_SD_CTL_DIR_MASK (1 << CL_SD_CTL_DIR_SHIFT)
+#define CL_SD_CTL_DIR(x) \
+ ((x << CL_SD_CTL_DIR_SHIFT) & CL_SD_CTL_DIR_MASK)
+
+/* Stream Number */
+#define CL_SD_CTL_STRM_SHIFT 20
+#define CL_SD_CTL_STRM_MASK (0xf << CL_SD_CTL_STRM_SHIFT)
+#define CL_SD_CTL_STRM(x) \
+ ((x << CL_SD_CTL_STRM_SHIFT) & CL_SD_CTL_STRM_MASK)
+
+/* CL: Stream Descriptor x Status */
+
+/* Buffer Completion Interrupt Status */
+#define CL_SD_STS_BCIS(x) CL_SD_CTL_IOCE(x)
+
+/* FIFO Error */
+#define CL_SD_STS_FIFOE(x) CL_SD_CTL_FEIE(x)
+
+/* Descriptor Error */
+#define CL_SD_STS_DESE(x) CL_SD_CTL_DEIE(x)
+
+/* FIFO Ready */
+#define CL_SD_STS_FIFORDY(x) CL_SD_CTL_FIFOLC(x)
+
+
+/* CL: Stream Descriptor x Last Valid Index */
+#define CL_SD_LVI_SHIFT 0
+#define CL_SD_LVI_MASK (0xff << CL_SD_LVI_SHIFT)
+#define CL_SD_LVI(x) ((x << CL_SD_LVI_SHIFT) & CL_SD_LVI_MASK)
+
+/* CL: Stream Descriptor x FIFO Eviction Watermark */
+#define CL_SD_FIFOW_SHIFT 0
+#define CL_SD_FIFOW_MASK (0x7 << CL_SD_FIFOW_SHIFT)
+#define CL_SD_FIFOW(x) \
+ ((x << CL_SD_FIFOW_SHIFT) & CL_SD_FIFOW_MASK)
+
+/* CL: Stream Descriptor x Buffer Descriptor List Pointer Lower Base Address */
+
+/* Protect Bits */
+#define CL_SD_BDLPLBA_PROT_SHIFT 0
+#define CL_SD_BDLPLBA_PROT_MASK (1 << CL_SD_BDLPLBA_PROT_SHIFT)
+#define CL_SD_BDLPLBA_PROT(x) \
+ ((x << CL_SD_BDLPLBA_PROT_SHIFT) & CL_SD_BDLPLBA_PROT_MASK)
+
+/* Buffer Descriptor List Lower Base Address */
+#define CL_SD_BDLPLBA_SHIFT 7
+#define CL_SD_BDLPLBA_MASK (0x1ffffff << CL_SD_BDLPLBA_SHIFT)
+#define CL_SD_BDLPLBA(x) \
+ ((BDL_ALIGN(lower_32_bits(x)) << CL_SD_BDLPLBA_SHIFT) & CL_SD_BDLPLBA_MASK)
+
+/* Buffer Descriptor List Upper Base Address */
+#define CL_SD_BDLPUBA_SHIFT 0
+#define CL_SD_BDLPUBA_MASK (0xffffffff << CL_SD_BDLPUBA_SHIFT)
+#define CL_SD_BDLPUBA(x) \
+ ((upper_32_bits(x) << CL_SD_BDLPUBA_SHIFT) & CL_SD_BDLPUBA_MASK)
+
+/*
+ * Code Loader - Software Position Based FIFO
+ * Capability Registers x Software Position Based FIFO Header
+ */
+
+/* Next Capability Pointer */
+#define CL_SPBFIFO_SPBFCH_PTR_SHIFT 0
+#define CL_SPBFIFO_SPBFCH_PTR_MASK (0xff << CL_SPBFIFO_SPBFCH_PTR_SHIFT)
+#define CL_SPBFIFO_SPBFCH_PTR(x) \
+ ((x << CL_SPBFIFO_SPBFCH_PTR_SHIFT) & CL_SPBFIFO_SPBFCH_PTR_MASK)
+
+/* Capability Identifier */
+#define CL_SPBFIFO_SPBFCH_ID_SHIFT 16
+#define CL_SPBFIFO_SPBFCH_ID_MASK (0xfff << CL_SPBFIFO_SPBFCH_ID_SHIFT)
+#define CL_SPBFIFO_SPBFCH_ID(x) \
+ ((x << CL_SPBFIFO_SPBFCH_ID_SHIFT) & CL_SPBFIFO_SPBFCH_ID_MASK)
+
+/* Capability Version */
+#define CL_SPBFIFO_SPBFCH_VER_SHIFT 28
+#define CL_SPBFIFO_SPBFCH_VER_MASK (0xf << CL_SPBFIFO_SPBFCH_VER_SHIFT)
+#define CL_SPBFIFO_SPBFCH_VER(x) \
+ ((x << CL_SPBFIFO_SPBFCH_VER_SHIFT) & CL_SPBFIFO_SPBFCH_VER_MASK)
+
+/* Software Position in Buffer Enable */
+#define CL_SPBFIFO_SPBFCCTL_SPIBE_SHIFT 0
+#define CL_SPBFIFO_SPBFCCTL_SPIBE_MASK (1 << CL_SPBFIFO_SPBFCCTL_SPIBE_SHIFT)
+#define CL_SPBFIFO_SPBFCCTL_SPIBE(x) \
+ ((x << CL_SPBFIFO_SPBFCCTL_SPIBE_SHIFT) & CL_SPBFIFO_SPBFCCTL_SPIBE_MASK)
+
+/* SST IPC SKL defines */
+#define SKL_WAIT_TIMEOUT 500 /* 500 msec */
+#define SKL_MAX_BUFFER_SIZE (32 * PAGE_SIZE)
+
+enum skl_cl_dma_wake_states {
+ SKL_CL_DMA_STATUS_NONE = 0,
+ SKL_CL_DMA_BUF_COMPLETE,
+ SKL_CL_DMA_ERR, /* TODO: Expand the error states */
+};
+
+struct sst_dsp;
+
+struct skl_cl_dev_ops {
+ void (*cl_setup_bdle)(struct sst_dsp *ctx,
+ struct snd_dma_buffer *dmab_data,
+ u32 **bdlp, int size, int with_ioc);
+ void (*cl_setup_controller)(struct sst_dsp *ctx,
+ struct snd_dma_buffer *dmab_bdl,
+ unsigned int max_size, u32 page_count);
+ void (*cl_setup_spb)(struct sst_dsp *ctx,
+ unsigned int size, bool enable);
+ void (*cl_cleanup_spb)(struct sst_dsp *ctx);
+ void (*cl_trigger)(struct sst_dsp *ctx, bool enable);
+ void (*cl_cleanup_controller)(struct sst_dsp *ctx);
+ int (*cl_copy_to_dmabuf)(struct sst_dsp *ctx,
+ const void *bin, u32 size);
+ void (*cl_stop_dma)(struct sst_dsp *ctx);
+};
+
+/**
+ * skl_cl_dev - holds information for code loader dma transfer
+ *
+ * @dmab_data: buffer pointer
+ * @dmab_bdl: buffer descriptor list
+ * @bufsize: ring buffer size
+ * @frags: Last valid buffer descriptor index in the BDL
+ * @curr_spib_pos: Current position in ring buffer
+ * @dma_buffer_offset: dma buffer offset
+ * @ops: operations supported on CL dma
+ * @wait_queue: wait queue to wake for wake event
+ * @wake_status: DMA wake status
+ * @wait_condition: condition to wait on wait queue
+ * @cl_dma_lock: for synchronized access to cldma
+ */
+struct skl_cl_dev {
+ struct snd_dma_buffer dmab_data;
+ struct snd_dma_buffer dmab_bdl;
+
+ unsigned int bufsize;
+ unsigned int frags;
+
+ unsigned int curr_spib_pos;
+ unsigned int dma_buffer_offset;
+ struct skl_cl_dev_ops ops;
+
+ wait_queue_head_t wait_queue;
+ int wake_status;
+ bool wait_condition;
+};
+
+#endif /* SKL_SST_CLDMA_H_ */
diff --git a/sound/soc/intel/skylake/skl-sst-dsp.c b/sound/soc/intel/skylake/skl-sst-dsp.c
new file mode 100644
index 000000000..94875b008
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-sst-dsp.c
@@ -0,0 +1,342 @@
+/*
+ * skl-sst-dsp.c - SKL SST library generic function
+ *
+ * Copyright (C) 2014-15, Intel Corporation.
+ * Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
+ * Jeeja KP <jeeja.kp@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+#include <sound/pcm.h>
+
+#include "../common/sst-dsp.h"
+#include "../common/sst-ipc.h"
+#include "../common/sst-dsp-priv.h"
+#include "skl-sst-ipc.h"
+
+/* various timeout values */
+#define SKL_DSP_PU_TO 50
+#define SKL_DSP_PD_TO 50
+#define SKL_DSP_RESET_TO 50
+
+void skl_dsp_set_state_locked(struct sst_dsp *ctx, int state)
+{
+ mutex_lock(&ctx->mutex);
+ ctx->sst_state = state;
+ mutex_unlock(&ctx->mutex);
+}
+
+static int skl_dsp_core_set_reset_state(struct sst_dsp *ctx)
+{
+ int ret;
+
+ /* update bits */
+ sst_dsp_shim_update_bits_unlocked(ctx,
+ SKL_ADSP_REG_ADSPCS, SKL_ADSPCS_CRST_MASK,
+ SKL_ADSPCS_CRST(SKL_DSP_CORES_MASK));
+
+ /* poll with timeout to check if operation successful */
+ ret = sst_dsp_register_poll(ctx,
+ SKL_ADSP_REG_ADSPCS,
+ SKL_ADSPCS_CRST_MASK,
+ SKL_ADSPCS_CRST(SKL_DSP_CORES_MASK),
+ SKL_DSP_RESET_TO,
+ "Set reset");
+ if ((sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &
+ SKL_ADSPCS_CRST(SKL_DSP_CORES_MASK)) !=
+ SKL_ADSPCS_CRST(SKL_DSP_CORES_MASK)) {
+ dev_err(ctx->dev, "Set reset state failed\n");
+ ret = -EIO;
+ }
+
+ return ret;
+}
+
+static int skl_dsp_core_unset_reset_state(struct sst_dsp *ctx)
+{
+ int ret;
+
+ dev_dbg(ctx->dev, "In %s\n", __func__);
+
+ /* update bits */
+ sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
+ SKL_ADSPCS_CRST_MASK, 0);
+
+ /* poll with timeout to check if operation successful */
+ ret = sst_dsp_register_poll(ctx,
+ SKL_ADSP_REG_ADSPCS,
+ SKL_ADSPCS_CRST_MASK,
+ 0,
+ SKL_DSP_RESET_TO,
+ "Unset reset");
+
+ if ((sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &
+ SKL_ADSPCS_CRST(SKL_DSP_CORES_MASK)) != 0) {
+ dev_err(ctx->dev, "Unset reset state failed\n");
+ ret = -EIO;
+ }
+
+ return ret;
+}
+
+static bool is_skl_dsp_core_enable(struct sst_dsp *ctx)
+{
+ int val;
+ bool is_enable;
+
+ val = sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS);
+
+ is_enable = ((val & SKL_ADSPCS_CPA(SKL_DSP_CORES_MASK)) &&
+ (val & SKL_ADSPCS_SPA(SKL_DSP_CORES_MASK)) &&
+ !(val & SKL_ADSPCS_CRST(SKL_DSP_CORES_MASK)) &&
+ !(val & SKL_ADSPCS_CSTALL(SKL_DSP_CORES_MASK)));
+
+ dev_dbg(ctx->dev, "DSP core is enabled=%d\n", is_enable);
+ return is_enable;
+}
+
+static int skl_dsp_reset_core(struct sst_dsp *ctx)
+{
+ /* stall core */
+ sst_dsp_shim_write_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
+ sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &
+ SKL_ADSPCS_CSTALL(SKL_DSP_CORES_MASK));
+
+ /* set reset state */
+ return skl_dsp_core_set_reset_state(ctx);
+}
+
+static int skl_dsp_start_core(struct sst_dsp *ctx)
+{
+ int ret;
+
+ /* unset reset state */
+ ret = skl_dsp_core_unset_reset_state(ctx);
+ if (ret < 0) {
+ dev_dbg(ctx->dev, "dsp unset reset fails\n");
+ return ret;
+ }
+
+ /* run core */
+ dev_dbg(ctx->dev, "run core...\n");
+ sst_dsp_shim_write_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
+ sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &
+ ~SKL_ADSPCS_CSTALL(SKL_DSP_CORES_MASK));
+
+ if (!is_skl_dsp_core_enable(ctx)) {
+ skl_dsp_reset_core(ctx);
+ dev_err(ctx->dev, "DSP core enable failed\n");
+ ret = -EIO;
+ }
+
+ return ret;
+}
+
+static int skl_dsp_core_power_up(struct sst_dsp *ctx)
+{
+ int ret;
+
+ /* update bits */
+ sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
+ SKL_ADSPCS_SPA_MASK, SKL_ADSPCS_SPA(SKL_DSP_CORES_MASK));
+
+ /* poll with timeout to check if operation successful */
+ ret = sst_dsp_register_poll(ctx,
+ SKL_ADSP_REG_ADSPCS,
+ SKL_ADSPCS_CPA_MASK,
+ SKL_ADSPCS_CPA(SKL_DSP_CORES_MASK),
+ SKL_DSP_PU_TO,
+ "Power up");
+
+ if ((sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &
+ SKL_ADSPCS_CPA(SKL_DSP_CORES_MASK)) !=
+ SKL_ADSPCS_CPA(SKL_DSP_CORES_MASK)) {
+ dev_err(ctx->dev, "DSP core power up failed\n");
+ ret = -EIO;
+ }
+
+ return ret;
+}
+
+static int skl_dsp_core_power_down(struct sst_dsp *ctx)
+{
+ /* update bits */
+ sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPCS,
+ SKL_ADSPCS_SPA_MASK, 0);
+
+ /* poll with timeout to check if operation successful */
+ return sst_dsp_register_poll(ctx,
+ SKL_ADSP_REG_ADSPCS,
+ SKL_ADSPCS_SPA_MASK,
+ 0,
+ SKL_DSP_PD_TO,
+ "Power down");
+}
+
+static int skl_dsp_enable_core(struct sst_dsp *ctx)
+{
+ int ret;
+
+ /* power up */
+ ret = skl_dsp_core_power_up(ctx);
+ if (ret < 0) {
+ dev_dbg(ctx->dev, "dsp core power up failed\n");
+ return ret;
+ }
+
+ return skl_dsp_start_core(ctx);
+}
+
+int skl_dsp_disable_core(struct sst_dsp *ctx)
+{
+ int ret;
+
+ ret = skl_dsp_reset_core(ctx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "dsp core reset failed\n");
+ return ret;
+ }
+
+ /* power down core*/
+ ret = skl_dsp_core_power_down(ctx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "dsp core power down failed\n");
+ return ret;
+ }
+
+ if (is_skl_dsp_core_enable(ctx)) {
+ dev_err(ctx->dev, "DSP core disable failed\n");
+ ret = -EIO;
+ }
+
+ return ret;
+}
+
+int skl_dsp_boot(struct sst_dsp *ctx)
+{
+ int ret;
+
+ if (is_skl_dsp_core_enable(ctx)) {
+ dev_dbg(ctx->dev, "dsp core is already enabled, so reset the dap core\n");
+ ret = skl_dsp_reset_core(ctx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "dsp reset failed\n");
+ return ret;
+ }
+
+ ret = skl_dsp_start_core(ctx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "dsp start failed\n");
+ return ret;
+ }
+ } else {
+ dev_dbg(ctx->dev, "disable and enable to make sure DSP is invalid state\n");
+ ret = skl_dsp_disable_core(ctx);
+
+ if (ret < 0) {
+ dev_err(ctx->dev, "dsp disable core failes\n");
+ return ret;
+ }
+ ret = skl_dsp_enable_core(ctx);
+ }
+
+ return ret;
+}
+
+irqreturn_t skl_dsp_sst_interrupt(int irq, void *dev_id)
+{
+ struct sst_dsp *ctx = dev_id;
+ u32 val;
+ irqreturn_t result = IRQ_NONE;
+
+ spin_lock(&ctx->spinlock);
+
+ val = sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPIS);
+ ctx->intr_status = val;
+
+ if (val & SKL_ADSPIS_IPC) {
+ skl_ipc_int_disable(ctx);
+ result = IRQ_WAKE_THREAD;
+ }
+
+ if (val & SKL_ADSPIS_CL_DMA) {
+ skl_cldma_int_disable(ctx);
+ result = IRQ_WAKE_THREAD;
+ }
+
+ spin_unlock(&ctx->spinlock);
+
+ return result;
+}
+
+int skl_dsp_wake(struct sst_dsp *ctx)
+{
+ return ctx->fw_ops.set_state_D0(ctx);
+}
+EXPORT_SYMBOL_GPL(skl_dsp_wake);
+
+int skl_dsp_sleep(struct sst_dsp *ctx)
+{
+ return ctx->fw_ops.set_state_D3(ctx);
+}
+EXPORT_SYMBOL_GPL(skl_dsp_sleep);
+
+struct sst_dsp *skl_dsp_ctx_init(struct device *dev,
+ struct sst_dsp_device *sst_dev, int irq)
+{
+ int ret;
+ struct sst_dsp *sst;
+
+ sst = devm_kzalloc(dev, sizeof(*sst), GFP_KERNEL);
+ if (sst == NULL)
+ return NULL;
+
+ spin_lock_init(&sst->spinlock);
+ mutex_init(&sst->mutex);
+ sst->dev = dev;
+ sst->sst_dev = sst_dev;
+ sst->irq = irq;
+ sst->ops = sst_dev->ops;
+ sst->thread_context = sst_dev->thread_context;
+
+ /* Initialise SST Audio DSP */
+ if (sst->ops->init) {
+ ret = sst->ops->init(sst, NULL);
+ if (ret < 0)
+ return NULL;
+ }
+
+ /* Register the ISR */
+ ret = request_threaded_irq(sst->irq, sst->ops->irq_handler,
+ sst_dev->thread, IRQF_SHARED, "AudioDSP", sst);
+ if (ret) {
+ dev_err(sst->dev, "unable to grab threaded IRQ %d, disabling device\n",
+ sst->irq);
+ return NULL;
+ }
+
+ return sst;
+}
+
+void skl_dsp_free(struct sst_dsp *dsp)
+{
+ skl_ipc_int_disable(dsp);
+
+ free_irq(dsp->irq, dsp);
+ skl_dsp_disable_core(dsp);
+}
+EXPORT_SYMBOL_GPL(skl_dsp_free);
+
+bool is_skl_dsp_running(struct sst_dsp *ctx)
+{
+ return (ctx->sst_state == SKL_DSP_RUNNING);
+}
+EXPORT_SYMBOL_GPL(is_skl_dsp_running);
diff --git a/sound/soc/intel/skylake/skl-sst-dsp.h b/sound/soc/intel/skylake/skl-sst-dsp.h
new file mode 100644
index 000000000..6bfcef449
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-sst-dsp.h
@@ -0,0 +1,145 @@
+/*
+ * Skylake SST DSP Support
+ *
+ * Copyright (C) 2014-15, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __SKL_SST_DSP_H__
+#define __SKL_SST_DSP_H__
+
+#include <linux/interrupt.h>
+#include <sound/memalloc.h>
+#include "skl-sst-cldma.h"
+
+struct sst_dsp;
+struct skl_sst;
+struct sst_dsp_device;
+
+/* Intel HD Audio General DSP Registers */
+#define SKL_ADSP_GEN_BASE 0x0
+#define SKL_ADSP_REG_ADSPCS (SKL_ADSP_GEN_BASE + 0x04)
+#define SKL_ADSP_REG_ADSPIC (SKL_ADSP_GEN_BASE + 0x08)
+#define SKL_ADSP_REG_ADSPIS (SKL_ADSP_GEN_BASE + 0x0C)
+#define SKL_ADSP_REG_ADSPIC2 (SKL_ADSP_GEN_BASE + 0x10)
+#define SKL_ADSP_REG_ADSPIS2 (SKL_ADSP_GEN_BASE + 0x14)
+
+/* Intel HD Audio Inter-Processor Communication Registers */
+#define SKL_ADSP_IPC_BASE 0x40
+#define SKL_ADSP_REG_HIPCT (SKL_ADSP_IPC_BASE + 0x00)
+#define SKL_ADSP_REG_HIPCTE (SKL_ADSP_IPC_BASE + 0x04)
+#define SKL_ADSP_REG_HIPCI (SKL_ADSP_IPC_BASE + 0x08)
+#define SKL_ADSP_REG_HIPCIE (SKL_ADSP_IPC_BASE + 0x0C)
+#define SKL_ADSP_REG_HIPCCTL (SKL_ADSP_IPC_BASE + 0x10)
+
+/* HIPCI */
+#define SKL_ADSP_REG_HIPCI_BUSY BIT(31)
+
+/* HIPCIE */
+#define SKL_ADSP_REG_HIPCIE_DONE BIT(30)
+
+/* HIPCCTL */
+#define SKL_ADSP_REG_HIPCCTL_DONE BIT(1)
+#define SKL_ADSP_REG_HIPCCTL_BUSY BIT(0)
+
+/* HIPCT */
+#define SKL_ADSP_REG_HIPCT_BUSY BIT(31)
+
+/* Intel HD Audio SRAM Window 1 */
+#define SKL_ADSP_SRAM1_BASE 0xA000
+
+#define SKL_ADSP_MMIO_LEN 0x10000
+
+#define SKL_ADSP_W0_STAT_SZ 0x800
+
+#define SKL_ADSP_W0_UP_SZ 0x800
+
+#define SKL_ADSP_W1_SZ 0x1000
+
+#define SKL_FW_STS_MASK 0xf
+
+#define SKL_FW_INIT 0x1
+#define SKL_FW_RFW_START 0xf
+
+#define SKL_ADSPIC_IPC 1
+#define SKL_ADSPIS_IPC 1
+
+/* ADSPCS - Audio DSP Control & Status */
+#define SKL_DSP_CORES 1
+#define SKL_DSP_CORE0_MASK 1
+#define SKL_DSP_CORES_MASK ((1 << SKL_DSP_CORES) - 1)
+
+/* Core Reset - asserted high */
+#define SKL_ADSPCS_CRST_SHIFT 0
+#define SKL_ADSPCS_CRST_MASK (SKL_DSP_CORES_MASK << SKL_ADSPCS_CRST_SHIFT)
+#define SKL_ADSPCS_CRST(x) ((x << SKL_ADSPCS_CRST_SHIFT) & SKL_ADSPCS_CRST_MASK)
+
+/* Core run/stall - when set to '1' core is stalled */
+#define SKL_ADSPCS_CSTALL_SHIFT 8
+#define SKL_ADSPCS_CSTALL_MASK (SKL_DSP_CORES_MASK << \
+ SKL_ADSPCS_CSTALL_SHIFT)
+#define SKL_ADSPCS_CSTALL(x) ((x << SKL_ADSPCS_CSTALL_SHIFT) & \
+ SKL_ADSPCS_CSTALL_MASK)
+
+/* Set Power Active - when set to '1' turn cores on */
+#define SKL_ADSPCS_SPA_SHIFT 16
+#define SKL_ADSPCS_SPA_MASK (SKL_DSP_CORES_MASK << SKL_ADSPCS_SPA_SHIFT)
+#define SKL_ADSPCS_SPA(x) ((x << SKL_ADSPCS_SPA_SHIFT) & SKL_ADSPCS_SPA_MASK)
+
+/* Current Power Active - power status of cores, set by hardware */
+#define SKL_ADSPCS_CPA_SHIFT 24
+#define SKL_ADSPCS_CPA_MASK (SKL_DSP_CORES_MASK << SKL_ADSPCS_CPA_SHIFT)
+#define SKL_ADSPCS_CPA(x) ((x << SKL_ADSPCS_CPA_SHIFT) & SKL_ADSPCS_CPA_MASK)
+
+#define SST_DSP_POWER_D0 0x0 /* full On */
+#define SST_DSP_POWER_D3 0x3 /* Off */
+
+enum skl_dsp_states {
+ SKL_DSP_RUNNING = 1,
+ SKL_DSP_RESET,
+};
+
+struct skl_dsp_fw_ops {
+ int (*load_fw)(struct sst_dsp *ctx);
+ /* FW module parser/loader */
+ int (*parse_fw)(struct sst_dsp *ctx);
+ int (*set_state_D0)(struct sst_dsp *ctx);
+ int (*set_state_D3)(struct sst_dsp *ctx);
+ unsigned int (*get_fw_errcode)(struct sst_dsp *ctx);
+};
+
+struct skl_dsp_loader_ops {
+ int (*alloc_dma_buf)(struct device *dev,
+ struct snd_dma_buffer *dmab, size_t size);
+ int (*free_dma_buf)(struct device *dev,
+ struct snd_dma_buffer *dmab);
+};
+
+void skl_cldma_process_intr(struct sst_dsp *ctx);
+void skl_cldma_int_disable(struct sst_dsp *ctx);
+int skl_cldma_prepare(struct sst_dsp *ctx);
+
+void skl_dsp_set_state_locked(struct sst_dsp *ctx, int state);
+struct sst_dsp *skl_dsp_ctx_init(struct device *dev,
+ struct sst_dsp_device *sst_dev, int irq);
+int skl_dsp_disable_core(struct sst_dsp *ctx);
+bool is_skl_dsp_running(struct sst_dsp *ctx);
+irqreturn_t skl_dsp_sst_interrupt(int irq, void *dev_id);
+int skl_dsp_wake(struct sst_dsp *ctx);
+int skl_dsp_sleep(struct sst_dsp *ctx);
+void skl_dsp_free(struct sst_dsp *dsp);
+
+int skl_dsp_boot(struct sst_dsp *ctx);
+int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
+ struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp);
+void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx);
+
+#endif /*__SKL_SST_DSP_H__*/
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c
new file mode 100644
index 000000000..937a0a3a6
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-sst-ipc.c
@@ -0,0 +1,771 @@
+/*
+ * skl-sst-ipc.c - Intel skl IPC Support
+ *
+ * Copyright (C) 2014-15, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+#include <linux/device.h>
+
+#include "../common/sst-dsp.h"
+#include "../common/sst-dsp-priv.h"
+#include "skl-sst-dsp.h"
+#include "skl-sst-ipc.h"
+
+
+#define IPC_IXC_STATUS_BITS 24
+
+/* Global Message - Generic */
+#define IPC_GLB_TYPE_SHIFT 24
+#define IPC_GLB_TYPE_MASK (0xf << IPC_GLB_TYPE_SHIFT)
+#define IPC_GLB_TYPE(x) ((x) << IPC_GLB_TYPE_SHIFT)
+
+/* Global Message - Reply */
+#define IPC_GLB_REPLY_STATUS_SHIFT 24
+#define IPC_GLB_REPLY_STATUS_MASK ((0x1 << IPC_GLB_REPLY_STATUS_SHIFT) - 1)
+#define IPC_GLB_REPLY_STATUS(x) ((x) << IPC_GLB_REPLY_STATUS_SHIFT)
+
+#define IPC_TIMEOUT_MSECS 3000
+
+#define IPC_EMPTY_LIST_SIZE 8
+
+#define IPC_MSG_TARGET_SHIFT 30
+#define IPC_MSG_TARGET_MASK 0x1
+#define IPC_MSG_TARGET(x) (((x) & IPC_MSG_TARGET_MASK) \
+ << IPC_MSG_TARGET_SHIFT)
+
+#define IPC_MSG_DIR_SHIFT 29
+#define IPC_MSG_DIR_MASK 0x1
+#define IPC_MSG_DIR(x) (((x) & IPC_MSG_DIR_MASK) \
+ << IPC_MSG_DIR_SHIFT)
+/* Global Notification Message */
+#define IPC_GLB_NOTIFY_TYPE_SHIFT 16
+#define IPC_GLB_NOTIFY_TYPE_MASK 0xFF
+#define IPC_GLB_NOTIFY_TYPE(x) (((x) >> IPC_GLB_NOTIFY_TYPE_SHIFT) \
+ & IPC_GLB_NOTIFY_TYPE_MASK)
+
+#define IPC_GLB_NOTIFY_MSG_TYPE_SHIFT 24
+#define IPC_GLB_NOTIFY_MSG_TYPE_MASK 0x1F
+#define IPC_GLB_NOTIFY_MSG_TYPE(x) (((x) >> IPC_GLB_NOTIFY_MSG_TYPE_SHIFT) \
+ & IPC_GLB_NOTIFY_MSG_TYPE_MASK)
+
+#define IPC_GLB_NOTIFY_RSP_SHIFT 29
+#define IPC_GLB_NOTIFY_RSP_MASK 0x1
+#define IPC_GLB_NOTIFY_RSP_TYPE(x) (((x) >> IPC_GLB_NOTIFY_RSP_SHIFT) \
+ & IPC_GLB_NOTIFY_RSP_MASK)
+
+/* Pipeline operations */
+
+/* Create pipeline message */
+#define IPC_PPL_MEM_SIZE_SHIFT 0
+#define IPC_PPL_MEM_SIZE_MASK 0x7FF
+#define IPC_PPL_MEM_SIZE(x) (((x) & IPC_PPL_MEM_SIZE_MASK) \
+ << IPC_PPL_MEM_SIZE_SHIFT)
+
+#define IPC_PPL_TYPE_SHIFT 11
+#define IPC_PPL_TYPE_MASK 0x1F
+#define IPC_PPL_TYPE(x) (((x) & IPC_PPL_TYPE_MASK) \
+ << IPC_PPL_TYPE_SHIFT)
+
+#define IPC_INSTANCE_ID_SHIFT 16
+#define IPC_INSTANCE_ID_MASK 0xFF
+#define IPC_INSTANCE_ID(x) (((x) & IPC_INSTANCE_ID_MASK) \
+ << IPC_INSTANCE_ID_SHIFT)
+
+/* Set pipeline state message */
+#define IPC_PPL_STATE_SHIFT 0
+#define IPC_PPL_STATE_MASK 0x1F
+#define IPC_PPL_STATE(x) (((x) & IPC_PPL_STATE_MASK) \
+ << IPC_PPL_STATE_SHIFT)
+
+/* Module operations primary register */
+#define IPC_MOD_ID_SHIFT 0
+#define IPC_MOD_ID_MASK 0xFFFF
+#define IPC_MOD_ID(x) (((x) & IPC_MOD_ID_MASK) \
+ << IPC_MOD_ID_SHIFT)
+
+#define IPC_MOD_INSTANCE_ID_SHIFT 16
+#define IPC_MOD_INSTANCE_ID_MASK 0xFF
+#define IPC_MOD_INSTANCE_ID(x) (((x) & IPC_MOD_INSTANCE_ID_MASK) \
+ << IPC_MOD_INSTANCE_ID_SHIFT)
+
+/* Init instance message extension register */
+#define IPC_PARAM_BLOCK_SIZE_SHIFT 0
+#define IPC_PARAM_BLOCK_SIZE_MASK 0xFFFF
+#define IPC_PARAM_BLOCK_SIZE(x) (((x) & IPC_PARAM_BLOCK_SIZE_MASK) \
+ << IPC_PARAM_BLOCK_SIZE_SHIFT)
+
+#define IPC_PPL_INSTANCE_ID_SHIFT 16
+#define IPC_PPL_INSTANCE_ID_MASK 0xFF
+#define IPC_PPL_INSTANCE_ID(x) (((x) & IPC_PPL_INSTANCE_ID_MASK) \
+ << IPC_PPL_INSTANCE_ID_SHIFT)
+
+#define IPC_CORE_ID_SHIFT 24
+#define IPC_CORE_ID_MASK 0x1F
+#define IPC_CORE_ID(x) (((x) & IPC_CORE_ID_MASK) \
+ << IPC_CORE_ID_SHIFT)
+
+/* Bind/Unbind message extension register */
+#define IPC_DST_MOD_ID_SHIFT 0
+#define IPC_DST_MOD_ID(x) (((x) & IPC_MOD_ID_MASK) \
+ << IPC_DST_MOD_ID_SHIFT)
+
+#define IPC_DST_MOD_INSTANCE_ID_SHIFT 16
+#define IPC_DST_MOD_INSTANCE_ID(x) (((x) & IPC_MOD_INSTANCE_ID_MASK) \
+ << IPC_DST_MOD_INSTANCE_ID_SHIFT)
+
+#define IPC_DST_QUEUE_SHIFT 24
+#define IPC_DST_QUEUE_MASK 0x7
+#define IPC_DST_QUEUE(x) (((x) & IPC_DST_QUEUE_MASK) \
+ << IPC_DST_QUEUE_SHIFT)
+
+#define IPC_SRC_QUEUE_SHIFT 27
+#define IPC_SRC_QUEUE_MASK 0x7
+#define IPC_SRC_QUEUE(x) (((x) & IPC_SRC_QUEUE_MASK) \
+ << IPC_SRC_QUEUE_SHIFT)
+
+/* Save pipeline messgae extension register */
+#define IPC_DMA_ID_SHIFT 0
+#define IPC_DMA_ID_MASK 0x1F
+#define IPC_DMA_ID(x) (((x) & IPC_DMA_ID_MASK) \
+ << IPC_DMA_ID_SHIFT)
+/* Large Config message extension register */
+#define IPC_DATA_OFFSET_SZ_SHIFT 0
+#define IPC_DATA_OFFSET_SZ_MASK 0xFFFFF
+#define IPC_DATA_OFFSET_SZ(x) (((x) & IPC_DATA_OFFSET_SZ_MASK) \
+ << IPC_DATA_OFFSET_SZ_SHIFT)
+#define IPC_DATA_OFFSET_SZ_CLEAR ~(IPC_DATA_OFFSET_SZ_MASK \
+ << IPC_DATA_OFFSET_SZ_SHIFT)
+
+#define IPC_LARGE_PARAM_ID_SHIFT 20
+#define IPC_LARGE_PARAM_ID_MASK 0xFF
+#define IPC_LARGE_PARAM_ID(x) (((x) & IPC_LARGE_PARAM_ID_MASK) \
+ << IPC_LARGE_PARAM_ID_SHIFT)
+
+#define IPC_FINAL_BLOCK_SHIFT 28
+#define IPC_FINAL_BLOCK_MASK 0x1
+#define IPC_FINAL_BLOCK(x) (((x) & IPC_FINAL_BLOCK_MASK) \
+ << IPC_FINAL_BLOCK_SHIFT)
+
+#define IPC_INITIAL_BLOCK_SHIFT 29
+#define IPC_INITIAL_BLOCK_MASK 0x1
+#define IPC_INITIAL_BLOCK(x) (((x) & IPC_INITIAL_BLOCK_MASK) \
+ << IPC_INITIAL_BLOCK_SHIFT)
+#define IPC_INITIAL_BLOCK_CLEAR ~(IPC_INITIAL_BLOCK_MASK \
+ << IPC_INITIAL_BLOCK_SHIFT)
+
+enum skl_ipc_msg_target {
+ IPC_FW_GEN_MSG = 0,
+ IPC_MOD_MSG = 1
+};
+
+enum skl_ipc_msg_direction {
+ IPC_MSG_REQUEST = 0,
+ IPC_MSG_REPLY = 1
+};
+
+/* Global Message Types */
+enum skl_ipc_glb_type {
+ IPC_GLB_GET_FW_VERSION = 0, /* Retrieves firmware version */
+ IPC_GLB_LOAD_MULTIPLE_MODS = 15,
+ IPC_GLB_UNLOAD_MULTIPLE_MODS = 16,
+ IPC_GLB_CREATE_PPL = 17,
+ IPC_GLB_DELETE_PPL = 18,
+ IPC_GLB_SET_PPL_STATE = 19,
+ IPC_GLB_GET_PPL_STATE = 20,
+ IPC_GLB_GET_PPL_CONTEXT_SIZE = 21,
+ IPC_GLB_SAVE_PPL = 22,
+ IPC_GLB_RESTORE_PPL = 23,
+ IPC_GLB_NOTIFY = 26,
+ IPC_GLB_MAX_IPC_MSG_NUMBER = 31 /* Maximum message number */
+};
+
+enum skl_ipc_glb_reply {
+ IPC_GLB_REPLY_SUCCESS = 0,
+
+ IPC_GLB_REPLY_UNKNOWN_MSG_TYPE = 1,
+ IPC_GLB_REPLY_ERROR_INVALID_PARAM = 2,
+
+ IPC_GLB_REPLY_BUSY = 3,
+ IPC_GLB_REPLY_PENDING = 4,
+ IPC_GLB_REPLY_FAILURE = 5,
+ IPC_GLB_REPLY_INVALID_REQUEST = 6,
+
+ IPC_GLB_REPLY_OUT_OF_MEMORY = 7,
+ IPC_GLB_REPLY_OUT_OF_MIPS = 8,
+
+ IPC_GLB_REPLY_INVALID_RESOURCE_ID = 9,
+ IPC_GLB_REPLY_INVALID_RESOURCE_STATE = 10,
+
+ IPC_GLB_REPLY_MOD_MGMT_ERROR = 100,
+ IPC_GLB_REPLY_MOD_LOAD_CL_FAILED = 101,
+ IPC_GLB_REPLY_MOD_LOAD_INVALID_HASH = 102,
+
+ IPC_GLB_REPLY_MOD_UNLOAD_INST_EXIST = 103,
+ IPC_GLB_REPLY_MOD_NOT_INITIALIZED = 104,
+
+ IPC_GLB_REPLY_INVALID_CONFIG_PARAM_ID = 120,
+ IPC_GLB_REPLY_INVALID_CONFIG_DATA_LEN = 121,
+ IPC_GLB_REPLY_GATEWAY_NOT_INITIALIZED = 140,
+ IPC_GLB_REPLY_GATEWAY_NOT_EXIST = 141,
+
+ IPC_GLB_REPLY_PPL_NOT_INITIALIZED = 160,
+ IPC_GLB_REPLY_PPL_NOT_EXIST = 161,
+ IPC_GLB_REPLY_PPL_SAVE_FAILED = 162,
+ IPC_GLB_REPLY_PPL_RESTORE_FAILED = 163,
+
+ IPC_MAX_STATUS = ((1<<IPC_IXC_STATUS_BITS)-1)
+};
+
+enum skl_ipc_notification_type {
+ IPC_GLB_NOTIFY_GLITCH = 0,
+ IPC_GLB_NOTIFY_OVERRUN = 1,
+ IPC_GLB_NOTIFY_UNDERRUN = 2,
+ IPC_GLB_NOTIFY_END_STREAM = 3,
+ IPC_GLB_NOTIFY_PHRASE_DETECTED = 4,
+ IPC_GLB_NOTIFY_RESOURCE_EVENT = 5,
+ IPC_GLB_NOTIFY_LOG_BUFFER_STATUS = 6,
+ IPC_GLB_NOTIFY_TIMESTAMP_CAPTURED = 7,
+ IPC_GLB_NOTIFY_FW_READY = 8
+};
+
+/* Module Message Types */
+enum skl_ipc_module_msg {
+ IPC_MOD_INIT_INSTANCE = 0,
+ IPC_MOD_CONFIG_GET = 1,
+ IPC_MOD_CONFIG_SET = 2,
+ IPC_MOD_LARGE_CONFIG_GET = 3,
+ IPC_MOD_LARGE_CONFIG_SET = 4,
+ IPC_MOD_BIND = 5,
+ IPC_MOD_UNBIND = 6,
+ IPC_MOD_SET_DX = 7
+};
+
+static void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data,
+ size_t tx_size)
+{
+ if (tx_size)
+ memcpy(msg->tx_data, tx_data, tx_size);
+}
+
+static bool skl_ipc_is_dsp_busy(struct sst_dsp *dsp)
+{
+ u32 hipci;
+
+ hipci = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCI);
+ return (hipci & SKL_ADSP_REG_HIPCI_BUSY);
+}
+
+/* Lock to be held by caller */
+static void skl_ipc_tx_msg(struct sst_generic_ipc *ipc, struct ipc_message *msg)
+{
+ struct skl_ipc_header *header = (struct skl_ipc_header *)(&msg->header);
+
+ if (msg->tx_size)
+ sst_dsp_outbox_write(ipc->dsp, msg->tx_data, msg->tx_size);
+ sst_dsp_shim_write_unlocked(ipc->dsp, SKL_ADSP_REG_HIPCIE,
+ header->extension);
+ sst_dsp_shim_write_unlocked(ipc->dsp, SKL_ADSP_REG_HIPCI,
+ header->primary | SKL_ADSP_REG_HIPCI_BUSY);
+}
+
+static struct ipc_message *skl_ipc_reply_get_msg(struct sst_generic_ipc *ipc,
+ u64 ipc_header)
+{
+ struct ipc_message *msg = NULL;
+ struct skl_ipc_header *header = (struct skl_ipc_header *)(&ipc_header);
+
+ if (list_empty(&ipc->rx_list)) {
+ dev_err(ipc->dev, "ipc: rx list is empty but received 0x%x\n",
+ header->primary);
+ goto out;
+ }
+
+ msg = list_first_entry(&ipc->rx_list, struct ipc_message, list);
+
+out:
+ return msg;
+
+}
+
+static int skl_ipc_process_notification(struct sst_generic_ipc *ipc,
+ struct skl_ipc_header header)
+{
+ struct skl_sst *skl = container_of(ipc, struct skl_sst, ipc);
+
+ if (IPC_GLB_NOTIFY_MSG_TYPE(header.primary)) {
+ switch (IPC_GLB_NOTIFY_TYPE(header.primary)) {
+
+ case IPC_GLB_NOTIFY_UNDERRUN:
+ dev_err(ipc->dev, "FW Underrun %x\n", header.primary);
+ break;
+
+ case IPC_GLB_NOTIFY_RESOURCE_EVENT:
+ dev_err(ipc->dev, "MCPS Budget Violation: %x\n",
+ header.primary);
+ break;
+
+ case IPC_GLB_NOTIFY_FW_READY:
+ skl->boot_complete = true;
+ wake_up(&skl->boot_wait);
+ break;
+
+ default:
+ dev_err(ipc->dev, "ipc: Unhandled error msg=%x",
+ header.primary);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static void skl_ipc_process_reply(struct sst_generic_ipc *ipc,
+ struct skl_ipc_header header)
+{
+ struct ipc_message *msg;
+ u32 reply = header.primary & IPC_GLB_REPLY_STATUS_MASK;
+ u64 *ipc_header = (u64 *)(&header);
+
+ msg = skl_ipc_reply_get_msg(ipc, *ipc_header);
+ if (msg == NULL) {
+ dev_dbg(ipc->dev, "ipc: rx list is empty\n");
+ return;
+ }
+
+ /* first process the header */
+ switch (reply) {
+ case IPC_GLB_REPLY_SUCCESS:
+ dev_info(ipc->dev, "ipc FW reply %x: success\n", header.primary);
+ break;
+
+ case IPC_GLB_REPLY_OUT_OF_MEMORY:
+ dev_err(ipc->dev, "ipc fw reply: %x: no memory\n", header.primary);
+ msg->errno = -ENOMEM;
+ break;
+
+ case IPC_GLB_REPLY_BUSY:
+ dev_err(ipc->dev, "ipc fw reply: %x: Busy\n", header.primary);
+ msg->errno = -EBUSY;
+ break;
+
+ default:
+ dev_err(ipc->dev, "Unknown ipc reply: 0x%x", reply);
+ msg->errno = -EINVAL;
+ break;
+ }
+
+ if (reply != IPC_GLB_REPLY_SUCCESS) {
+ dev_err(ipc->dev, "ipc FW reply: reply=%d", reply);
+ dev_err(ipc->dev, "FW Error Code: %u\n",
+ ipc->dsp->fw_ops.get_fw_errcode(ipc->dsp));
+ }
+
+ list_del(&msg->list);
+ sst_ipc_tx_msg_reply_complete(ipc, msg);
+}
+
+irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context)
+{
+ struct sst_dsp *dsp = context;
+ struct skl_sst *skl = sst_dsp_get_thread_context(dsp);
+ struct sst_generic_ipc *ipc = &skl->ipc;
+ struct skl_ipc_header header = {0};
+ u32 hipcie, hipct, hipcte;
+ int ipc_irq = 0;
+
+ if (dsp->intr_status & SKL_ADSPIS_CL_DMA)
+ skl_cldma_process_intr(dsp);
+
+ /* Here we handle IPC interrupts only */
+ if (!(dsp->intr_status & SKL_ADSPIS_IPC))
+ return IRQ_NONE;
+
+ hipcie = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCIE);
+ hipct = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCT);
+
+ /* reply message from DSP */
+ if (hipcie & SKL_ADSP_REG_HIPCIE_DONE) {
+ sst_dsp_shim_update_bits(dsp, SKL_ADSP_REG_HIPCCTL,
+ SKL_ADSP_REG_HIPCCTL_DONE, 0);
+
+ /* clear DONE bit - tell DSP we have completed the operation */
+ sst_dsp_shim_update_bits_forced(dsp, SKL_ADSP_REG_HIPCIE,
+ SKL_ADSP_REG_HIPCIE_DONE, SKL_ADSP_REG_HIPCIE_DONE);
+
+ ipc_irq = 1;
+
+ /* unmask Done interrupt */
+ sst_dsp_shim_update_bits(dsp, SKL_ADSP_REG_HIPCCTL,
+ SKL_ADSP_REG_HIPCCTL_DONE, SKL_ADSP_REG_HIPCCTL_DONE);
+ }
+
+ /* New message from DSP */
+ if (hipct & SKL_ADSP_REG_HIPCT_BUSY) {
+ hipcte = sst_dsp_shim_read_unlocked(dsp, SKL_ADSP_REG_HIPCTE);
+ header.primary = hipct;
+ header.extension = hipcte;
+ dev_dbg(dsp->dev, "IPC irq: Firmware respond primary:%x",
+ header.primary);
+ dev_dbg(dsp->dev, "IPC irq: Firmware respond extension:%x",
+ header.extension);
+
+ if (IPC_GLB_NOTIFY_RSP_TYPE(header.primary)) {
+ /* Handle Immediate reply from DSP Core */
+ skl_ipc_process_reply(ipc, header);
+ } else {
+ dev_dbg(dsp->dev, "IPC irq: Notification from firmware\n");
+ skl_ipc_process_notification(ipc, header);
+ }
+ /* clear busy interrupt */
+ sst_dsp_shim_update_bits_forced(dsp, SKL_ADSP_REG_HIPCT,
+ SKL_ADSP_REG_HIPCT_BUSY, SKL_ADSP_REG_HIPCT_BUSY);
+ ipc_irq = 1;
+ }
+
+ if (ipc_irq == 0)
+ return IRQ_NONE;
+
+ skl_ipc_int_enable(dsp);
+
+ /* continue to send any remaining messages... */
+ queue_kthread_work(&ipc->kworker, &ipc->kwork);
+
+ return IRQ_HANDLED;
+}
+
+void skl_ipc_int_enable(struct sst_dsp *ctx)
+{
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_ADSPIC,
+ SKL_ADSPIC_IPC, SKL_ADSPIC_IPC);
+}
+
+void skl_ipc_int_disable(struct sst_dsp *ctx)
+{
+ sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPIC,
+ SKL_ADSPIC_IPC, 0);
+}
+
+void skl_ipc_op_int_enable(struct sst_dsp *ctx)
+{
+ /* enable IPC DONE interrupt */
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_HIPCCTL,
+ SKL_ADSP_REG_HIPCCTL_DONE, SKL_ADSP_REG_HIPCCTL_DONE);
+
+ /* Enable IPC BUSY interrupt */
+ sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_HIPCCTL,
+ SKL_ADSP_REG_HIPCCTL_BUSY, SKL_ADSP_REG_HIPCCTL_BUSY);
+}
+
+bool skl_ipc_int_status(struct sst_dsp *ctx)
+{
+ return sst_dsp_shim_read_unlocked(ctx,
+ SKL_ADSP_REG_ADSPIS) & SKL_ADSPIS_IPC;
+}
+
+int skl_ipc_init(struct device *dev, struct skl_sst *skl)
+{
+ struct sst_generic_ipc *ipc;
+ int err;
+
+ ipc = &skl->ipc;
+ ipc->dsp = skl->dsp;
+ ipc->dev = dev;
+
+ ipc->tx_data_max_size = SKL_ADSP_W1_SZ;
+ ipc->rx_data_max_size = SKL_ADSP_W0_UP_SZ;
+
+ err = sst_ipc_init(ipc);
+ if (err)
+ return err;
+
+ ipc->ops.tx_msg = skl_ipc_tx_msg;
+ ipc->ops.tx_data_copy = skl_ipc_tx_data_copy;
+ ipc->ops.is_dsp_busy = skl_ipc_is_dsp_busy;
+
+ return 0;
+}
+
+void skl_ipc_free(struct sst_generic_ipc *ipc)
+{
+ /* Disable IPC DONE interrupt */
+ sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,
+ SKL_ADSP_REG_HIPCCTL_DONE, 0);
+
+ /* Disable IPC BUSY interrupt */
+ sst_dsp_shim_update_bits(ipc->dsp, SKL_ADSP_REG_HIPCCTL,
+ SKL_ADSP_REG_HIPCCTL_BUSY, 0);
+
+ sst_ipc_fini(ipc);
+}
+
+int skl_ipc_create_pipeline(struct sst_generic_ipc *ipc,
+ u16 ppl_mem_size, u8 ppl_type, u8 instance_id)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ int ret;
+
+ header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(IPC_GLB_CREATE_PPL);
+ header.primary |= IPC_INSTANCE_ID(instance_id);
+ header.primary |= IPC_PPL_TYPE(ppl_type);
+ header.primary |= IPC_PPL_MEM_SIZE(ppl_mem_size);
+
+ dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
+ if (ret < 0) {
+ dev_err(ipc->dev, "ipc: create pipeline fail, err: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_create_pipeline);
+
+int skl_ipc_delete_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ int ret;
+
+ header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(IPC_GLB_DELETE_PPL);
+ header.primary |= IPC_INSTANCE_ID(instance_id);
+
+ dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
+ if (ret < 0) {
+ dev_err(ipc->dev, "ipc: delete pipeline failed, err %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_delete_pipeline);
+
+int skl_ipc_set_pipeline_state(struct sst_generic_ipc *ipc,
+ u8 instance_id, enum skl_ipc_pipeline_state state)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ int ret;
+
+ header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(IPC_GLB_SET_PPL_STATE);
+ header.primary |= IPC_INSTANCE_ID(instance_id);
+ header.primary |= IPC_PPL_STATE(state);
+
+ dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
+ if (ret < 0) {
+ dev_err(ipc->dev, "ipc: set pipeline state failed, err: %d\n", ret);
+ return ret;
+ }
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_set_pipeline_state);
+
+int
+skl_ipc_save_pipeline(struct sst_generic_ipc *ipc, u8 instance_id, int dma_id)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ int ret;
+
+ header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(IPC_GLB_SAVE_PPL);
+ header.primary |= IPC_INSTANCE_ID(instance_id);
+
+ header.extension = IPC_DMA_ID(dma_id);
+ dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
+ if (ret < 0) {
+ dev_err(ipc->dev, "ipc: save pipeline failed, err: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_save_pipeline);
+
+int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ int ret;
+
+ header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(IPC_GLB_RESTORE_PPL);
+ header.primary |= IPC_INSTANCE_ID(instance_id);
+
+ dev_dbg(ipc->dev, "In %s header=%d\n", __func__, header.primary);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
+ if (ret < 0) {
+ dev_err(ipc->dev, "ipc: restore pipeline failed, err: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_restore_pipeline);
+
+int skl_ipc_set_dx(struct sst_generic_ipc *ipc, u8 instance_id,
+ u16 module_id, struct skl_ipc_dxstate_info *dx)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ int ret;
+
+ header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_DX);
+ header.primary |= IPC_MOD_INSTANCE_ID(instance_id);
+ header.primary |= IPC_MOD_ID(module_id);
+
+ dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,
+ header.primary, header.extension);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header,
+ dx, sizeof(dx), NULL, 0);
+ if (ret < 0) {
+ dev_err(ipc->dev, "ipc: set dx failed, err %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_set_dx);
+
+int skl_ipc_init_instance(struct sst_generic_ipc *ipc,
+ struct skl_ipc_init_instance_msg *msg, void *param_data)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ int ret;
+ u32 *buffer = (u32 *)param_data;
+ /* param_block_size must be in dwords */
+ u16 param_block_size = msg->param_data_size / sizeof(u32);
+
+ print_hex_dump(KERN_DEBUG, NULL, DUMP_PREFIX_NONE,
+ 16, 4, buffer, param_block_size, false);
+
+ header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(IPC_MOD_INIT_INSTANCE);
+ header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
+ header.primary |= IPC_MOD_ID(msg->module_id);
+
+ header.extension = IPC_CORE_ID(msg->core_id);
+ header.extension |= IPC_PPL_INSTANCE_ID(msg->ppl_instance_id);
+ header.extension |= IPC_PARAM_BLOCK_SIZE(param_block_size);
+
+ dev_dbg(ipc->dev, "In %s primary =%x ext=%x\n", __func__,
+ header.primary, header.extension);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header, param_data,
+ msg->param_data_size, NULL, 0);
+
+ if (ret < 0) {
+ dev_err(ipc->dev, "ipc: init instance failed\n");
+ return ret;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_init_instance);
+
+int skl_ipc_bind_unbind(struct sst_generic_ipc *ipc,
+ struct skl_ipc_bind_unbind_msg *msg)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ u8 bind_unbind = msg->bind ? IPC_MOD_BIND : IPC_MOD_UNBIND;
+ int ret;
+
+ header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(bind_unbind);
+ header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
+ header.primary |= IPC_MOD_ID(msg->module_id);
+
+ header.extension = IPC_DST_MOD_ID(msg->dst_module_id);
+ header.extension |= IPC_DST_MOD_INSTANCE_ID(msg->dst_instance_id);
+ header.extension |= IPC_DST_QUEUE(msg->dst_queue);
+ header.extension |= IPC_SRC_QUEUE(msg->src_queue);
+
+ dev_dbg(ipc->dev, "In %s hdr=%x ext=%x\n", __func__, header.primary,
+ header.extension);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0, NULL, 0);
+ if (ret < 0) {
+ dev_err(ipc->dev, "ipc: bind/unbind faileden");
+ return ret;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_bind_unbind);
+
+int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
+ struct skl_ipc_large_config_msg *msg, u32 *param)
+{
+ struct skl_ipc_header header = {0};
+ u64 *ipc_header = (u64 *)(&header);
+ int ret = 0;
+ size_t sz_remaining, tx_size, data_offset;
+
+ header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
+ header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+ header.primary |= IPC_GLB_TYPE(IPC_MOD_LARGE_CONFIG_SET);
+ header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
+ header.primary |= IPC_MOD_ID(msg->module_id);
+
+ header.extension = IPC_DATA_OFFSET_SZ(msg->param_data_size);
+ header.extension |= IPC_LARGE_PARAM_ID(msg->large_param_id);
+ header.extension |= IPC_FINAL_BLOCK(0);
+ header.extension |= IPC_INITIAL_BLOCK(1);
+
+ sz_remaining = msg->param_data_size;
+ data_offset = 0;
+ while (sz_remaining != 0) {
+ tx_size = sz_remaining > SKL_ADSP_W1_SZ
+ ? SKL_ADSP_W1_SZ : sz_remaining;
+ if (tx_size == sz_remaining)
+ header.extension |= IPC_FINAL_BLOCK(1);
+
+ dev_dbg(ipc->dev, "In %s primary=%#x ext=%#x\n", __func__,
+ header.primary, header.extension);
+ dev_dbg(ipc->dev, "transmitting offset: %#x, size: %#x\n",
+ (unsigned)data_offset, (unsigned)tx_size);
+ ret = sst_ipc_tx_message_wait(ipc, *ipc_header,
+ ((char *)param) + data_offset,
+ tx_size, NULL, 0);
+ if (ret < 0) {
+ dev_err(ipc->dev,
+ "ipc: set large config fail, err: %d\n", ret);
+ return ret;
+ }
+ sz_remaining -= tx_size;
+ data_offset = msg->param_data_size - sz_remaining;
+
+ /* clear the fields */
+ header.extension &= IPC_INITIAL_BLOCK_CLEAR;
+ header.extension &= IPC_DATA_OFFSET_SZ_CLEAR;
+ /* fill the fields */
+ header.extension |= IPC_INITIAL_BLOCK(0);
+ header.extension |= IPC_DATA_OFFSET_SZ(data_offset);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_set_large_config);
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.h b/sound/soc/intel/skylake/skl-sst-ipc.h
new file mode 100644
index 000000000..9f5f67202
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-sst-ipc.h
@@ -0,0 +1,125 @@
+/*
+ * Intel SKL IPC Support
+ *
+ * Copyright (C) 2014-15, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __SKL_IPC_H
+#define __SKL_IPC_H
+
+#include <linux/kthread.h>
+#include <linux/irqreturn.h>
+#include "../common/sst-ipc.h"
+
+struct sst_dsp;
+struct skl_sst;
+struct sst_generic_ipc;
+
+enum skl_ipc_pipeline_state {
+ PPL_INVALID_STATE = 0,
+ PPL_UNINITIALIZED = 1,
+ PPL_RESET = 2,
+ PPL_PAUSED = 3,
+ PPL_RUNNING = 4,
+ PPL_ERROR_STOP = 5,
+ PPL_SAVED = 6,
+ PPL_RESTORED = 7
+};
+
+struct skl_ipc_dxstate_info {
+ u32 core_mask;
+ u32 dx_mask;
+};
+
+struct skl_ipc_header {
+ u32 primary;
+ u32 extension;
+};
+
+struct skl_sst {
+ struct device *dev;
+ struct sst_dsp *dsp;
+
+ /* boot */
+ wait_queue_head_t boot_wait;
+ bool boot_complete;
+
+ /* IPC messaging */
+ struct sst_generic_ipc ipc;
+};
+
+struct skl_ipc_init_instance_msg {
+ u32 module_id;
+ u32 instance_id;
+ u16 param_data_size;
+ u8 ppl_instance_id;
+ u8 core_id;
+};
+
+struct skl_ipc_bind_unbind_msg {
+ u32 module_id;
+ u32 instance_id;
+ u32 dst_module_id;
+ u32 dst_instance_id;
+ u8 src_queue;
+ u8 dst_queue;
+ bool bind;
+};
+
+struct skl_ipc_large_config_msg {
+ u32 module_id;
+ u32 instance_id;
+ u32 large_param_id;
+ u32 param_data_size;
+};
+
+#define SKL_IPC_BOOT_MSECS 3000
+
+#define SKL_IPC_D3_MASK 0
+#define SKL_IPC_D0_MASK 3
+
+irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context);
+
+int skl_ipc_create_pipeline(struct sst_generic_ipc *sst_ipc,
+ u16 ppl_mem_size, u8 ppl_type, u8 instance_id);
+
+int skl_ipc_delete_pipeline(struct sst_generic_ipc *sst_ipc, u8 instance_id);
+
+int skl_ipc_set_pipeline_state(struct sst_generic_ipc *sst_ipc,
+ u8 instance_id, enum skl_ipc_pipeline_state state);
+
+int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc,
+ u8 instance_id, int dma_id);
+
+int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
+
+int skl_ipc_init_instance(struct sst_generic_ipc *sst_ipc,
+ struct skl_ipc_init_instance_msg *msg, void *param_data);
+
+int skl_ipc_bind_unbind(struct sst_generic_ipc *sst_ipc,
+ struct skl_ipc_bind_unbind_msg *msg);
+
+int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
+ u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx);
+
+int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
+ struct skl_ipc_large_config_msg *msg, u32 *param);
+
+void skl_ipc_int_enable(struct sst_dsp *dsp);
+void skl_ipc_op_int_enable(struct sst_dsp *ctx);
+void skl_ipc_int_disable(struct sst_dsp *dsp);
+
+bool skl_ipc_int_status(struct sst_dsp *dsp);
+void skl_ipc_free(struct sst_generic_ipc *ipc);
+int skl_ipc_init(struct device *dev, struct skl_sst *skl);
+
+#endif /* __SKL_IPC_H */
diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c
new file mode 100644
index 000000000..77cb5f7df
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-sst.c
@@ -0,0 +1,280 @@
+/*
+ * skl-sst.c - HDA DSP library functions for SKL platform
+ *
+ * Copyright (C) 2014-15, Intel Corporation.
+ * Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
+ * Jeeja KP <jeeja.kp@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include "../common/sst-dsp.h"
+#include "../common/sst-dsp-priv.h"
+#include "../common/sst-ipc.h"
+#include "skl-sst-ipc.h"
+
+#define SKL_BASEFW_TIMEOUT 300
+#define SKL_INIT_TIMEOUT 1000
+
+/* Intel HD Audio SRAM Window 0*/
+#define SKL_ADSP_SRAM0_BASE 0x8000
+
+/* Firmware status window */
+#define SKL_ADSP_FW_STATUS SKL_ADSP_SRAM0_BASE
+#define SKL_ADSP_ERROR_CODE (SKL_ADSP_FW_STATUS + 0x4)
+
+#define SKL_INSTANCE_ID 0
+#define SKL_BASE_FW_MODULE_ID 0
+
+static bool skl_check_fw_status(struct sst_dsp *ctx, u32 status)
+{
+ u32 cur_sts;
+
+ cur_sts = sst_dsp_shim_read(ctx, SKL_ADSP_FW_STATUS) & SKL_FW_STS_MASK;
+
+ return (cur_sts == status);
+}
+
+static int skl_transfer_firmware(struct sst_dsp *ctx,
+ const void *basefw, u32 base_fw_size)
+{
+ int ret = 0;
+
+ ret = ctx->cl_dev.ops.cl_copy_to_dmabuf(ctx, basefw, base_fw_size);
+ if (ret < 0)
+ return ret;
+
+ ret = sst_dsp_register_poll(ctx,
+ SKL_ADSP_FW_STATUS,
+ SKL_FW_STS_MASK,
+ SKL_FW_RFW_START,
+ SKL_BASEFW_TIMEOUT,
+ "Firmware boot");
+
+ ctx->cl_dev.ops.cl_stop_dma(ctx);
+
+ return ret;
+}
+
+static int skl_load_base_firmware(struct sst_dsp *ctx)
+{
+ int ret = 0, i;
+ const struct firmware *fw = NULL;
+ struct skl_sst *skl = ctx->thread_context;
+ u32 reg;
+
+ ret = reject_firmware(&fw, "/*(DEBLOBBED)*/", ctx->dev);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Request firmware failed %d\n", ret);
+ skl_dsp_disable_core(ctx);
+ return -EIO;
+ }
+
+ /* enable Interrupt */
+ skl_ipc_int_enable(ctx);
+ skl_ipc_op_int_enable(ctx);
+
+ /* check ROM Status */
+ for (i = SKL_INIT_TIMEOUT; i > 0; --i) {
+ if (skl_check_fw_status(ctx, SKL_FW_INIT)) {
+ dev_dbg(ctx->dev,
+ "ROM loaded, we can continue with FW loading\n");
+ break;
+ }
+ mdelay(1);
+ }
+ if (!i) {
+ reg = sst_dsp_shim_read(ctx, SKL_ADSP_FW_STATUS);
+ dev_err(ctx->dev,
+ "Timeout waiting for ROM init done, reg:0x%x\n", reg);
+ ret = -EIO;
+ goto skl_load_base_firmware_failed;
+ }
+
+ ret = skl_transfer_firmware(ctx, fw->data, fw->size);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Transfer firmware failed%d\n", ret);
+ goto skl_load_base_firmware_failed;
+ } else {
+ ret = wait_event_timeout(skl->boot_wait, skl->boot_complete,
+ msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
+ if (ret == 0) {
+ dev_err(ctx->dev, "DSP boot failed, FW Ready timed-out\n");
+ ret = -EIO;
+ goto skl_load_base_firmware_failed;
+ }
+
+ dev_dbg(ctx->dev, "Download firmware successful%d\n", ret);
+ skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING);
+ }
+ release_firmware(fw);
+
+ return 0;
+
+skl_load_base_firmware_failed:
+ skl_dsp_disable_core(ctx);
+ release_firmware(fw);
+ return ret;
+}
+
+static int skl_set_dsp_D0(struct sst_dsp *ctx)
+{
+ int ret;
+
+ ret = skl_load_base_firmware(ctx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "unable to load firmware\n");
+ return ret;
+ }
+
+ skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING);
+
+ return ret;
+}
+
+static int skl_set_dsp_D3(struct sst_dsp *ctx)
+{
+ int ret;
+ struct skl_ipc_dxstate_info dx;
+ struct skl_sst *skl = ctx->thread_context;
+
+ dev_dbg(ctx->dev, "In %s:\n", __func__);
+ mutex_lock(&ctx->mutex);
+ if (!is_skl_dsp_running(ctx)) {
+ mutex_unlock(&ctx->mutex);
+ return 0;
+ }
+ mutex_unlock(&ctx->mutex);
+
+ dx.core_mask = SKL_DSP_CORE0_MASK;
+ dx.dx_mask = SKL_IPC_D3_MASK;
+ ret = skl_ipc_set_dx(&skl->ipc, SKL_INSTANCE_ID, SKL_BASE_FW_MODULE_ID, &dx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to set DSP to D3 state\n");
+ return ret;
+ }
+
+ ret = skl_dsp_disable_core(ctx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "disable dsp core failed ret: %d\n", ret);
+ ret = -EIO;
+ }
+ skl_dsp_set_state_locked(ctx, SKL_DSP_RESET);
+
+ return ret;
+}
+
+static unsigned int skl_get_errorcode(struct sst_dsp *ctx)
+{
+ return sst_dsp_shim_read(ctx, SKL_ADSP_ERROR_CODE);
+}
+
+static struct skl_dsp_fw_ops skl_fw_ops = {
+ .set_state_D0 = skl_set_dsp_D0,
+ .set_state_D3 = skl_set_dsp_D3,
+ .load_fw = skl_load_base_firmware,
+ .get_fw_errcode = skl_get_errorcode,
+};
+
+static struct sst_ops skl_ops = {
+ .irq_handler = skl_dsp_sst_interrupt,
+ .write = sst_shim32_write,
+ .read = sst_shim32_read,
+ .ram_read = sst_memcpy_fromio_32,
+ .ram_write = sst_memcpy_toio_32,
+ .free = skl_dsp_free,
+};
+
+static struct sst_dsp_device skl_dev = {
+ .thread = skl_dsp_irq_thread_handler,
+ .ops = &skl_ops,
+};
+
+int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
+ struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp)
+{
+ struct skl_sst *skl;
+ struct sst_dsp *sst;
+ int ret;
+
+ skl = devm_kzalloc(dev, sizeof(*skl), GFP_KERNEL);
+ if (skl == NULL)
+ return -ENOMEM;
+
+ skl->dev = dev;
+ skl_dev.thread_context = skl;
+
+ skl->dsp = skl_dsp_ctx_init(dev, &skl_dev, irq);
+ if (!skl->dsp) {
+ dev_err(skl->dev, "%s: no device\n", __func__);
+ return -ENODEV;
+ }
+
+ sst = skl->dsp;
+
+ sst->addr.lpe = mmio_base;
+ sst->addr.shim = mmio_base;
+ sst_dsp_mailbox_init(sst, (SKL_ADSP_SRAM0_BASE + SKL_ADSP_W0_STAT_SZ),
+ SKL_ADSP_W0_UP_SZ, SKL_ADSP_SRAM1_BASE, SKL_ADSP_W1_SZ);
+
+ sst->dsp_ops = dsp_ops;
+ sst->fw_ops = skl_fw_ops;
+
+ ret = skl_ipc_init(dev, skl);
+ if (ret)
+ return ret;
+
+ skl->boot_complete = false;
+ init_waitqueue_head(&skl->boot_wait);
+
+ ret = skl_dsp_boot(sst);
+ if (ret < 0) {
+ dev_err(skl->dev, "Boot dsp core failed ret: %d", ret);
+ goto free_ipc;
+ }
+
+ ret = skl_cldma_prepare(sst);
+ if (ret < 0) {
+ dev_err(dev, "CL dma prepare failed : %d", ret);
+ goto free_ipc;
+ }
+
+
+ ret = sst->fw_ops.load_fw(sst);
+ if (ret < 0) {
+ dev_err(dev, "Load base fw failed : %d", ret);
+ return ret;
+ }
+
+ if (dsp)
+ *dsp = skl;
+
+ return 0;
+
+free_ipc:
+ skl_ipc_free(&skl->ipc);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(skl_sst_dsp_init);
+
+void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
+{
+ skl_ipc_free(&ctx->ipc);
+ ctx->dsp->cl_dev.ops.cl_cleanup_controller(ctx->dsp);
+ ctx->dsp->ops->free(ctx->dsp);
+}
+EXPORT_SYMBOL_GPL(skl_sst_dsp_cleanup);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Intel Skylake IPC driver");
diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h
new file mode 100644
index 000000000..8c7767baa
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-topology.h
@@ -0,0 +1,286 @@
+/*
+ * skl_topology.h - Intel HDA Platform topology header file
+ *
+ * Copyright (C) 2014-15 Intel Corp
+ * Author: Jeeja KP <jeeja.kp@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ */
+
+#ifndef __SKL_TOPOLOGY_H__
+#define __SKL_TOPOLOGY_H__
+
+#include <linux/types.h>
+
+#include <sound/hdaudio_ext.h>
+#include <sound/soc.h>
+#include "skl.h"
+#include "skl-tplg-interface.h"
+
+#define BITS_PER_BYTE 8
+#define MAX_TS_GROUPS 8
+#define MAX_DMIC_TS_GROUPS 4
+#define MAX_FIXED_DMIC_PARAMS_SIZE 727
+
+/* Maximum number of coefficients up down mixer module */
+#define UP_DOWN_MIXER_MAX_COEFF 6
+
+enum skl_channel_index {
+ SKL_CHANNEL_LEFT = 0,
+ SKL_CHANNEL_RIGHT = 1,
+ SKL_CHANNEL_CENTER = 2,
+ SKL_CHANNEL_LEFT_SURROUND = 3,
+ SKL_CHANNEL_CENTER_SURROUND = 3,
+ SKL_CHANNEL_RIGHT_SURROUND = 4,
+ SKL_CHANNEL_LFE = 7,
+ SKL_CHANNEL_INVALID = 0xF,
+};
+
+enum skl_bitdepth {
+ SKL_DEPTH_8BIT = 8,
+ SKL_DEPTH_16BIT = 16,
+ SKL_DEPTH_24BIT = 24,
+ SKL_DEPTH_32BIT = 32,
+ SKL_DEPTH_INVALID
+};
+
+enum skl_interleaving {
+ /* [s1_ch1...s1_chN,...,sM_ch1...sM_chN] */
+ SKL_INTERLEAVING_PER_CHANNEL = 0,
+ /* [s1_ch1...sM_ch1,...,s1_chN...sM_chN] */
+ SKL_INTERLEAVING_PER_SAMPLE = 1,
+};
+
+enum skl_s_freq {
+ SKL_FS_8000 = 8000,
+ SKL_FS_11025 = 11025,
+ SKL_FS_12000 = 12000,
+ SKL_FS_16000 = 16000,
+ SKL_FS_22050 = 22050,
+ SKL_FS_24000 = 24000,
+ SKL_FS_32000 = 32000,
+ SKL_FS_44100 = 44100,
+ SKL_FS_48000 = 48000,
+ SKL_FS_64000 = 64000,
+ SKL_FS_88200 = 88200,
+ SKL_FS_96000 = 96000,
+ SKL_FS_128000 = 128000,
+ SKL_FS_176400 = 176400,
+ SKL_FS_192000 = 192000,
+ SKL_FS_INVALID
+};
+
+enum skl_widget_type {
+ SKL_WIDGET_VMIXER = 1,
+ SKL_WIDGET_MIXER = 2,
+ SKL_WIDGET_PGA = 3,
+ SKL_WIDGET_MUX = 4
+};
+
+struct skl_audio_data_format {
+ enum skl_s_freq s_freq;
+ enum skl_bitdepth bit_depth;
+ u32 channel_map;
+ enum skl_ch_cfg ch_cfg;
+ enum skl_interleaving interleaving;
+ u8 number_of_channels;
+ u8 valid_bit_depth;
+ u8 sample_type;
+ u8 reserved[1];
+} __packed;
+
+struct skl_base_cfg {
+ u32 cps;
+ u32 ibs;
+ u32 obs;
+ u32 is_pages;
+ struct skl_audio_data_format audio_fmt;
+};
+
+struct skl_cpr_gtw_cfg {
+ u32 node_id;
+ u32 dma_buffer_size;
+ u32 config_length;
+ /* not mandatory; required only for DMIC/I2S */
+ u32 config_data[1];
+} __packed;
+
+struct skl_cpr_cfg {
+ struct skl_base_cfg base_cfg;
+ struct skl_audio_data_format out_fmt;
+ u32 cpr_feature_mask;
+ struct skl_cpr_gtw_cfg gtw_cfg;
+} __packed;
+
+
+struct skl_src_module_cfg {
+ struct skl_base_cfg base_cfg;
+ enum skl_s_freq src_cfg;
+} __packed;
+
+struct skl_up_down_mixer_cfg {
+ struct skl_base_cfg base_cfg;
+ enum skl_ch_cfg out_ch_cfg;
+ /* This should be set to 1 if user coefficients are required */
+ u32 coeff_sel;
+ /* Pass the user coeff in this array */
+ s32 coeff[UP_DOWN_MIXER_MAX_COEFF];
+} __packed;
+
+enum skl_dma_type {
+ SKL_DMA_HDA_HOST_OUTPUT_CLASS = 0,
+ SKL_DMA_HDA_HOST_INPUT_CLASS = 1,
+ SKL_DMA_HDA_HOST_INOUT_CLASS = 2,
+ SKL_DMA_HDA_LINK_OUTPUT_CLASS = 8,
+ SKL_DMA_HDA_LINK_INPUT_CLASS = 9,
+ SKL_DMA_HDA_LINK_INOUT_CLASS = 0xA,
+ SKL_DMA_DMIC_LINK_INPUT_CLASS = 0xB,
+ SKL_DMA_I2S_LINK_OUTPUT_CLASS = 0xC,
+ SKL_DMA_I2S_LINK_INPUT_CLASS = 0xD,
+};
+
+union skl_ssp_dma_node {
+ u8 val;
+ struct {
+ u8 dual_mono:1;
+ u8 time_slot:3;
+ u8 i2s_instance:4;
+ } dma_node;
+};
+
+union skl_connector_node_id {
+ u32 val;
+ struct {
+ u32 vindex:8;
+ u32 dma_type:4;
+ u32 rsvd:20;
+ } node;
+};
+
+struct skl_module_fmt {
+ u32 channels;
+ u32 s_freq;
+ u32 bit_depth;
+ u32 valid_bit_depth;
+ u32 ch_cfg;
+};
+
+struct skl_module_inst_id {
+ u32 module_id;
+ u32 instance_id;
+};
+
+struct skl_module_pin {
+ struct skl_module_inst_id id;
+ u8 pin_index;
+ bool is_dynamic;
+ bool in_use;
+};
+
+struct skl_specific_cfg {
+ u32 caps_size;
+ u32 *caps;
+};
+
+enum skl_pipe_state {
+ SKL_PIPE_INVALID = 0,
+ SKL_PIPE_CREATED = 1,
+ SKL_PIPE_PAUSED = 2,
+ SKL_PIPE_STARTED = 3
+};
+
+struct skl_pipe_module {
+ struct snd_soc_dapm_widget *w;
+ struct list_head node;
+};
+
+struct skl_pipe_params {
+ u8 host_dma_id;
+ u8 link_dma_id;
+ u32 ch;
+ u32 s_freq;
+ u32 s_fmt;
+ u8 linktype;
+ int stream;
+};
+
+struct skl_pipe {
+ u8 ppl_id;
+ u8 pipe_priority;
+ u16 conn_type;
+ u32 memory_pages;
+ struct skl_pipe_params *p_params;
+ enum skl_pipe_state state;
+ struct list_head w_list;
+};
+
+enum skl_module_state {
+ SKL_MODULE_UNINIT = 0,
+ SKL_MODULE_INIT_DONE = 1,
+ SKL_MODULE_LOADED = 2,
+ SKL_MODULE_UNLOADED = 3,
+ SKL_MODULE_BIND_DONE = 4
+};
+
+struct skl_module_cfg {
+ struct skl_module_inst_id id;
+ struct skl_module_fmt in_fmt;
+ struct skl_module_fmt out_fmt;
+ u8 max_in_queue;
+ u8 max_out_queue;
+ u8 in_queue_mask;
+ u8 out_queue_mask;
+ u8 in_queue;
+ u8 out_queue;
+ u32 mcps;
+ u32 ibs;
+ u32 obs;
+ u8 is_loadable;
+ u8 core_id;
+ u8 dev_type;
+ u8 dma_id;
+ u8 time_slot;
+ u32 params_fixup;
+ u32 converter;
+ u32 vbus_id;
+ struct skl_module_pin *m_in_pin;
+ struct skl_module_pin *m_out_pin;
+ enum skl_module_type m_type;
+ enum skl_hw_conn_type hw_conn_type;
+ enum skl_module_state m_state;
+ struct skl_pipe *pipe;
+ struct skl_specific_cfg formats_config;
+};
+
+int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe);
+
+int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);
+
+int skl_pause_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);
+
+int skl_delete_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);
+
+int skl_stop_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);
+
+int skl_init_module(struct skl_sst *ctx, struct skl_module_cfg *module_config,
+ char *param);
+
+int skl_bind_modules(struct skl_sst *ctx, struct skl_module_cfg
+ *src_module, struct skl_module_cfg *dst_module);
+
+int skl_unbind_modules(struct skl_sst *ctx, struct skl_module_cfg
+ *src_module, struct skl_module_cfg *dst_module);
+
+enum skl_bitdepth skl_get_bit_depth(int params);
+#endif
diff --git a/sound/soc/intel/skylake/skl-tplg-interface.h b/sound/soc/intel/skylake/skl-tplg-interface.h
new file mode 100644
index 000000000..a50689825
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-tplg-interface.h
@@ -0,0 +1,88 @@
+/*
+ * skl-tplg-interface.h - Intel DSP FW private data interface
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author: Jeeja KP <jeeja.kp@intel.com>
+ * Nilofer, Samreen <samreen.nilofer@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __HDA_TPLG_INTERFACE_H__
+#define __HDA_TPLG_INTERFACE_H__
+
+/**
+ * enum skl_ch_cfg - channel configuration
+ *
+ * @SKL_CH_CFG_MONO: One channel only
+ * @SKL_CH_CFG_STEREO: L & R
+ * @SKL_CH_CFG_2_1: L, R & LFE
+ * @SKL_CH_CFG_3_0: L, C & R
+ * @SKL_CH_CFG_3_1: L, C, R & LFE
+ * @SKL_CH_CFG_QUATRO: L, R, Ls & Rs
+ * @SKL_CH_CFG_4_0: L, C, R & Cs
+ * @SKL_CH_CFG_5_0: L, C, R, Ls & Rs
+ * @SKL_CH_CFG_5_1: L, C, R, Ls, Rs & LFE
+ * @SKL_CH_CFG_DUAL_MONO: One channel replicated in two
+ * @SKL_CH_CFG_I2S_DUAL_STEREO_0: Stereo(L,R) in 4 slots, 1st stream:[ L, R, -, - ]
+ * @SKL_CH_CFG_I2S_DUAL_STEREO_1: Stereo(L,R) in 4 slots, 2nd stream:[ -, -, L, R ]
+ * @SKL_CH_CFG_INVALID: Invalid
+ */
+enum skl_ch_cfg {
+ SKL_CH_CFG_MONO = 0,
+ SKL_CH_CFG_STEREO = 1,
+ SKL_CH_CFG_2_1 = 2,
+ SKL_CH_CFG_3_0 = 3,
+ SKL_CH_CFG_3_1 = 4,
+ SKL_CH_CFG_QUATRO = 5,
+ SKL_CH_CFG_4_0 = 6,
+ SKL_CH_CFG_5_0 = 7,
+ SKL_CH_CFG_5_1 = 8,
+ SKL_CH_CFG_DUAL_MONO = 9,
+ SKL_CH_CFG_I2S_DUAL_STEREO_0 = 10,
+ SKL_CH_CFG_I2S_DUAL_STEREO_1 = 11,
+ SKL_CH_CFG_INVALID
+};
+
+enum skl_module_type {
+ SKL_MODULE_TYPE_MIXER = 0,
+ SKL_MODULE_TYPE_COPIER,
+ SKL_MODULE_TYPE_UPDWMIX,
+ SKL_MODULE_TYPE_SRCINT
+};
+
+enum skl_core_affinity {
+ SKL_AFFINITY_CORE_0 = 0,
+ SKL_AFFINITY_CORE_1,
+ SKL_AFFINITY_CORE_MAX
+};
+
+enum skl_pipe_conn_type {
+ SKL_PIPE_CONN_TYPE_NONE = 0,
+ SKL_PIPE_CONN_TYPE_FE,
+ SKL_PIPE_CONN_TYPE_BE
+};
+
+enum skl_hw_conn_type {
+ SKL_CONN_NONE = 0,
+ SKL_CONN_SOURCE = 1,
+ SKL_CONN_SINK = 2
+};
+
+enum skl_dev_type {
+ SKL_DEVICE_BT = 0x0,
+ SKL_DEVICE_DMIC = 0x1,
+ SKL_DEVICE_I2S = 0x2,
+ SKL_DEVICE_SLIMBUS = 0x3,
+ SKL_DEVICE_HDALINK = 0x4,
+ SKL_DEVICE_NONE
+};
+#endif
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
new file mode 100644
index 000000000..348d094e8
--- /dev/null
+++ b/sound/soc/intel/skylake/skl.c
@@ -0,0 +1,536 @@
+/*
+ * skl.c - Implementation of ASoC Intel SKL HD Audio driver
+ *
+ * Copyright (C) 2014-2015 Intel Corp
+ * Author: Jeeja KP <jeeja.kp@intel.com>
+ *
+ * Derived mostly from Intel HDA driver with following copyrights:
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ * PeiSen Hou <pshou@realtek.com.tw>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/pm_runtime.h>
+#include <linux/platform_device.h>
+#include <sound/pcm.h>
+#include "skl.h"
+
+/*
+ * initialize the PCI registers
+ */
+static void skl_update_pci_byte(struct pci_dev *pci, unsigned int reg,
+ unsigned char mask, unsigned char val)
+{
+ unsigned char data;
+
+ pci_read_config_byte(pci, reg, &data);
+ data &= ~mask;
+ data |= (val & mask);
+ pci_write_config_byte(pci, reg, data);
+}
+
+static void skl_init_pci(struct skl *skl)
+{
+ struct hdac_ext_bus *ebus = &skl->ebus;
+
+ /*
+ * Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
+ * TCSEL == Traffic Class Select Register, which sets PCI express QOS
+ * Ensuring these bits are 0 clears playback static on some HD Audio
+ * codecs.
+ * The PCI register TCSEL is defined in the Intel manuals.
+ */
+ dev_dbg(ebus_to_hbus(ebus)->dev, "Clearing TCSEL\n");
+ skl_update_pci_byte(skl->pci, AZX_PCIREG_TCSEL, 0x07, 0);
+}
+
+/* called from IRQ */
+static void skl_stream_update(struct hdac_bus *bus, struct hdac_stream *hstr)
+{
+ snd_pcm_period_elapsed(hstr->substream);
+}
+
+static irqreturn_t skl_interrupt(int irq, void *dev_id)
+{
+ struct hdac_ext_bus *ebus = dev_id;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ u32 status;
+
+ if (!pm_runtime_active(bus->dev))
+ return IRQ_NONE;
+
+ spin_lock(&bus->reg_lock);
+
+ status = snd_hdac_chip_readl(bus, INTSTS);
+ if (status == 0 || status == 0xffffffff) {
+ spin_unlock(&bus->reg_lock);
+ return IRQ_NONE;
+ }
+
+ /* clear rirb int */
+ status = snd_hdac_chip_readb(bus, RIRBSTS);
+ if (status & RIRB_INT_MASK) {
+ if (status & RIRB_INT_RESPONSE)
+ snd_hdac_bus_update_rirb(bus);
+ snd_hdac_chip_writeb(bus, RIRBSTS, RIRB_INT_MASK);
+ }
+
+ spin_unlock(&bus->reg_lock);
+
+ return snd_hdac_chip_readl(bus, INTSTS) ? IRQ_WAKE_THREAD : IRQ_HANDLED;
+}
+
+static irqreturn_t skl_threaded_handler(int irq, void *dev_id)
+{
+ struct hdac_ext_bus *ebus = dev_id;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ u32 status;
+
+ status = snd_hdac_chip_readl(bus, INTSTS);
+
+ snd_hdac_bus_handle_stream_irq(bus, status, skl_stream_update);
+
+ return IRQ_HANDLED;
+}
+
+static int skl_acquire_irq(struct hdac_ext_bus *ebus, int do_disconnect)
+{
+ struct skl *skl = ebus_to_skl(ebus);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ int ret;
+
+ ret = request_threaded_irq(skl->pci->irq, skl_interrupt,
+ skl_threaded_handler,
+ IRQF_SHARED,
+ KBUILD_MODNAME, ebus);
+ if (ret) {
+ dev_err(bus->dev,
+ "unable to grab IRQ %d, disabling device\n",
+ skl->pci->irq);
+ return ret;
+ }
+
+ bus->irq = skl->pci->irq;
+ pci_intx(skl->pci, 1);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+/*
+ * power management
+ */
+static int skl_suspend(struct device *dev)
+{
+ struct pci_dev *pci = to_pci_dev(dev);
+ struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ snd_hdac_bus_stop_chip(bus);
+ snd_hdac_bus_enter_link_reset(bus);
+
+ return 0;
+}
+
+static int skl_resume(struct device *dev)
+{
+ struct pci_dev *pci = to_pci_dev(dev);
+ struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct skl *hda = ebus_to_skl(ebus);
+
+ skl_init_pci(hda);
+
+ snd_hdac_bus_init_chip(bus, 1);
+
+ return 0;
+}
+#endif /* CONFIG_PM_SLEEP */
+
+#ifdef CONFIG_PM
+static int skl_runtime_suspend(struct device *dev)
+{
+ struct pci_dev *pci = to_pci_dev(dev);
+ struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ dev_dbg(bus->dev, "in %s\n", __func__);
+
+ /* enable controller wake up event */
+ snd_hdac_chip_updatew(bus, WAKEEN, 0, STATESTS_INT_MASK);
+
+ snd_hdac_bus_stop_chip(bus);
+ snd_hdac_bus_enter_link_reset(bus);
+
+ return 0;
+}
+
+static int skl_runtime_resume(struct device *dev)
+{
+ struct pci_dev *pci = to_pci_dev(dev);
+ struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct skl *hda = ebus_to_skl(ebus);
+ int status;
+
+ dev_dbg(bus->dev, "in %s\n", __func__);
+
+ /* Read STATESTS before controller reset */
+ status = snd_hdac_chip_readw(bus, STATESTS);
+
+ skl_init_pci(hda);
+ snd_hdac_bus_init_chip(bus, true);
+ /* disable controller Wake Up event */
+ snd_hdac_chip_updatew(bus, WAKEEN, STATESTS_INT_MASK, 0);
+
+ return 0;
+}
+#endif /* CONFIG_PM */
+
+static const struct dev_pm_ops skl_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(skl_suspend, skl_resume)
+ SET_RUNTIME_PM_OPS(skl_runtime_suspend, skl_runtime_resume, NULL)
+};
+
+/*
+ * destructor
+ */
+static int skl_free(struct hdac_ext_bus *ebus)
+{
+ struct skl *skl = ebus_to_skl(ebus);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ skl->init_failed = 1; /* to be sure */
+
+ snd_hdac_ext_stop_streams(ebus);
+
+ if (bus->irq >= 0)
+ free_irq(bus->irq, (void *)bus);
+ if (bus->remap_addr)
+ iounmap(bus->remap_addr);
+
+ snd_hdac_bus_free_stream_pages(bus);
+ snd_hdac_stream_free_all(ebus);
+ snd_hdac_link_free_all(ebus);
+ pci_release_regions(skl->pci);
+ pci_disable_device(skl->pci);
+
+ snd_hdac_ext_bus_exit(ebus);
+
+ return 0;
+}
+
+static int skl_dmic_device_register(struct skl *skl)
+{
+ struct hdac_bus *bus = ebus_to_hbus(&skl->ebus);
+ struct platform_device *pdev;
+ int ret;
+
+ /* SKL has one dmic port, so allocate dmic device for this */
+ pdev = platform_device_alloc("dmic-codec", -1);
+ if (!pdev) {
+ dev_err(bus->dev, "failed to allocate dmic device\n");
+ return -ENOMEM;
+ }
+
+ ret = platform_device_add(pdev);
+ if (ret) {
+ dev_err(bus->dev, "failed to add dmic device: %d\n", ret);
+ platform_device_put(pdev);
+ return ret;
+ }
+ skl->dmic_dev = pdev;
+
+ return 0;
+}
+
+static void skl_dmic_device_unregister(struct skl *skl)
+{
+ if (skl->dmic_dev)
+ platform_device_unregister(skl->dmic_dev);
+}
+
+/*
+ * Probe the given codec address
+ */
+static int probe_codec(struct hdac_ext_bus *ebus, int addr)
+{
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
+ (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
+ unsigned int res;
+
+ mutex_lock(&bus->cmd_mutex);
+ snd_hdac_bus_send_cmd(bus, cmd);
+ snd_hdac_bus_get_response(bus, addr, &res);
+ mutex_unlock(&bus->cmd_mutex);
+ if (res == -1)
+ return -EIO;
+ dev_dbg(bus->dev, "codec #%d probed OK\n", addr);
+
+ return snd_hdac_ext_bus_device_init(ebus, addr);
+}
+
+/* Codec initialization */
+static int skl_codec_create(struct hdac_ext_bus *ebus)
+{
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ int c, max_slots;
+
+ max_slots = HDA_MAX_CODECS;
+
+ /* First try to probe all given codec slots */
+ for (c = 0; c < max_slots; c++) {
+ if ((bus->codec_mask & (1 << c))) {
+ if (probe_codec(ebus, c) < 0) {
+ /*
+ * Some BIOSen give you wrong codec addresses
+ * that don't exist
+ */
+ dev_warn(bus->dev,
+ "Codec #%d probe error; disabling it...\n", c);
+ bus->codec_mask &= ~(1 << c);
+ /*
+ * More badly, accessing to a non-existing
+ * codec often screws up the controller bus,
+ * and disturbs the further communications.
+ * Thus if an error occurs during probing,
+ * better to reset the controller bus to get
+ * back to the sanity state.
+ */
+ snd_hdac_bus_stop_chip(bus);
+ snd_hdac_bus_init_chip(bus, true);
+ }
+ }
+ }
+
+ return 0;
+}
+
+static const struct hdac_bus_ops bus_core_ops = {
+ .command = snd_hdac_bus_send_cmd,
+ .get_response = snd_hdac_bus_get_response,
+};
+
+/*
+ * constructor
+ */
+static int skl_create(struct pci_dev *pci,
+ const struct hdac_io_ops *io_ops,
+ struct skl **rskl)
+{
+ struct skl *skl;
+ struct hdac_ext_bus *ebus;
+
+ int err;
+
+ *rskl = NULL;
+
+ err = pci_enable_device(pci);
+ if (err < 0)
+ return err;
+
+ skl = devm_kzalloc(&pci->dev, sizeof(*skl), GFP_KERNEL);
+ if (!skl) {
+ pci_disable_device(pci);
+ return -ENOMEM;
+ }
+ ebus = &skl->ebus;
+ snd_hdac_ext_bus_init(ebus, &pci->dev, &bus_core_ops, io_ops);
+ ebus->bus.use_posbuf = 1;
+ skl->pci = pci;
+
+ ebus->bus.bdl_pos_adj = 0;
+
+ *rskl = skl;
+
+ return 0;
+}
+
+static int skl_first_init(struct hdac_ext_bus *ebus)
+{
+ struct skl *skl = ebus_to_skl(ebus);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct pci_dev *pci = skl->pci;
+ int err;
+ unsigned short gcap;
+ int cp_streams, pb_streams, start_idx;
+
+ err = pci_request_regions(pci, "Skylake HD audio");
+ if (err < 0)
+ return err;
+
+ bus->addr = pci_resource_start(pci, 0);
+ bus->remap_addr = pci_ioremap_bar(pci, 0);
+ if (bus->remap_addr == NULL) {
+ dev_err(bus->dev, "ioremap error\n");
+ return -ENXIO;
+ }
+
+ snd_hdac_ext_bus_parse_capabilities(ebus);
+
+ if (skl_acquire_irq(ebus, 0) < 0)
+ return -EBUSY;
+
+ pci_set_master(pci);
+ synchronize_irq(bus->irq);
+
+ gcap = snd_hdac_chip_readw(bus, GCAP);
+ dev_dbg(bus->dev, "chipset global capabilities = 0x%x\n", gcap);
+
+ /* allow 64bit DMA address if supported by H/W */
+ if (!dma_set_mask(bus->dev, DMA_BIT_MASK(64))) {
+ dma_set_coherent_mask(bus->dev, DMA_BIT_MASK(64));
+ } else {
+ dma_set_mask(bus->dev, DMA_BIT_MASK(32));
+ dma_set_coherent_mask(bus->dev, DMA_BIT_MASK(32));
+ }
+
+ /* read number of streams from GCAP register */
+ cp_streams = (gcap >> 8) & 0x0f;
+ pb_streams = (gcap >> 12) & 0x0f;
+
+ if (!pb_streams && !cp_streams)
+ return -EIO;
+
+ ebus->num_streams = cp_streams + pb_streams;
+
+ /* initialize streams */
+ snd_hdac_ext_stream_init_all
+ (ebus, 0, cp_streams, SNDRV_PCM_STREAM_CAPTURE);
+ start_idx = cp_streams;
+ snd_hdac_ext_stream_init_all
+ (ebus, start_idx, pb_streams, SNDRV_PCM_STREAM_PLAYBACK);
+
+ err = snd_hdac_bus_alloc_stream_pages(bus);
+ if (err < 0)
+ return err;
+
+ /* initialize chip */
+ skl_init_pci(skl);
+
+ snd_hdac_bus_init_chip(bus, true);
+
+ /* codec detection */
+ if (!bus->codec_mask) {
+ dev_err(bus->dev, "no codecs found!\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int skl_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ struct skl *skl;
+ struct hdac_ext_bus *ebus = NULL;
+ struct hdac_bus *bus = NULL;
+ int err;
+
+ /* we use ext core ops, so provide NULL for ops here */
+ err = skl_create(pci, NULL, &skl);
+ if (err < 0)
+ return err;
+
+ ebus = &skl->ebus;
+ bus = ebus_to_hbus(ebus);
+
+ err = skl_first_init(ebus);
+ if (err < 0)
+ goto out_free;
+
+ pci_set_drvdata(skl->pci, ebus);
+
+ /* check if dsp is there */
+ if (ebus->ppcap) {
+ /* TODO register with dsp IPC */
+ dev_dbg(bus->dev, "Register dsp\n");
+ }
+
+ if (ebus->mlcap)
+ snd_hdac_ext_bus_get_ml_capabilities(ebus);
+
+ /* create device for soc dmic */
+ err = skl_dmic_device_register(skl);
+ if (err < 0)
+ goto out_free;
+
+ /* register platform dai and controls */
+ err = skl_platform_register(bus->dev);
+ if (err < 0)
+ goto out_dmic_free;
+
+ /* create codec instances */
+ err = skl_codec_create(ebus);
+ if (err < 0)
+ goto out_unregister;
+
+ /*configure PM */
+ pm_runtime_set_autosuspend_delay(bus->dev, SKL_SUSPEND_DELAY);
+ pm_runtime_use_autosuspend(bus->dev);
+ pm_runtime_put_noidle(bus->dev);
+ pm_runtime_allow(bus->dev);
+
+ return 0;
+
+out_unregister:
+ skl_platform_unregister(bus->dev);
+out_dmic_free:
+ skl_dmic_device_unregister(skl);
+out_free:
+ skl->init_failed = 1;
+ skl_free(ebus);
+
+ return err;
+}
+
+static void skl_remove(struct pci_dev *pci)
+{
+ struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
+ struct skl *skl = ebus_to_skl(ebus);
+
+ if (pci_dev_run_wake(pci))
+ pm_runtime_get_noresume(&pci->dev);
+ pci_dev_put(pci);
+ skl_platform_unregister(&pci->dev);
+ skl_dmic_device_unregister(skl);
+ skl_free(ebus);
+ dev_set_drvdata(&pci->dev, NULL);
+}
+
+/* PCI IDs */
+static const struct pci_device_id skl_ids[] = {
+ /* Sunrise Point-LP */
+ { PCI_DEVICE(0x8086, 0x9d70), 0},
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, skl_ids);
+
+/* pci_driver definition */
+static struct pci_driver skl_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = skl_ids,
+ .probe = skl_probe,
+ .remove = skl_remove,
+ .driver = {
+ .pm = &skl_pm,
+ },
+};
+module_pci_driver(skl_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Intel Skylake ASoC HDA driver");
diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h
new file mode 100644
index 000000000..f7fdbb029
--- /dev/null
+++ b/sound/soc/intel/skylake/skl.h
@@ -0,0 +1,84 @@
+/*
+ * skl.h - HD Audio skylake defintions.
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author: Jeeja KP <jeeja.kp@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ */
+
+#ifndef __SOUND_SOC_SKL_H
+#define __SOUND_SOC_SKL_H
+
+#include <sound/hda_register.h>
+#include <sound/hdaudio_ext.h>
+#include "skl-nhlt.h"
+
+#define SKL_SUSPEND_DELAY 2000
+
+/* Vendor Specific Registers */
+#define AZX_REG_VS_EM1 0x1000
+#define AZX_REG_VS_INRC 0x1004
+#define AZX_REG_VS_OUTRC 0x1008
+#define AZX_REG_VS_FIFOTRK 0x100C
+#define AZX_REG_VS_FIFOTRK2 0x1010
+#define AZX_REG_VS_EM2 0x1030
+#define AZX_REG_VS_EM3L 0x1038
+#define AZX_REG_VS_EM3U 0x103C
+#define AZX_REG_VS_EM4L 0x1040
+#define AZX_REG_VS_EM4U 0x1044
+#define AZX_REG_VS_LTRC 0x1048
+#define AZX_REG_VS_D0I3C 0x104A
+#define AZX_REG_VS_PCE 0x104B
+#define AZX_REG_VS_L2MAGC 0x1050
+#define AZX_REG_VS_L2LAHPT 0x1054
+#define AZX_REG_VS_SDXDPIB_XBASE 0x1084
+#define AZX_REG_VS_SDXDPIB_XINTERVAL 0x20
+#define AZX_REG_VS_SDXEFIFOS_XBASE 0x1094
+#define AZX_REG_VS_SDXEFIFOS_XINTERVAL 0x20
+
+struct skl {
+ struct hdac_ext_bus ebus;
+ struct pci_dev *pci;
+
+ unsigned int init_failed:1; /* delayed init failed */
+ struct platform_device *dmic_dev;
+
+ void __iomem *nhlt; /* nhlt ptr */
+ struct skl_sst *skl_sst; /* sst skl ctx */
+};
+
+#define skl_to_ebus(s) (&(s)->ebus)
+#define ebus_to_skl(sbus) \
+ container_of(sbus, struct skl, sbus)
+
+/* to pass dai dma data */
+struct skl_dma_params {
+ u32 format;
+ u8 stream_tag;
+};
+
+int skl_platform_unregister(struct device *dev);
+int skl_platform_register(struct device *dev);
+
+void __iomem *skl_nhlt_init(struct device *dev);
+void skl_nhlt_free(void __iomem *addr);
+struct nhlt_specific_cfg *skl_get_ep_blob(struct skl *skl, u32 instance,
+ u8 link_type, u8 s_fmt, u8 no_ch, u32 s_rate, u8 dirn);
+
+int skl_init_dsp(struct skl *skl);
+void skl_free_dsp(struct skl *skl);
+int skl_suspend_dsp(struct skl *skl);
+int skl_resume_dsp(struct skl *skl);
+#endif /* __SOUND_SOC_SKL_H */