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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// Copyright(c) 2020 Intel Corporation. All rights reserved.
//
// Author: Fred Oh <fred.oh@linux.intel.com>
//
/*
* Hardware interface for audio DSP on IceLake.
*/
#include <linux/kernel.h>
#include <linux/kconfig.h>
#include <linux/export.h>
#include <linux/bits.h>
#include "../ops.h"
#include "hda.h"
#include "hda-ipc.h"
#include "../sof-audio.h"
#define ICL_DSP_HPRO_CORE_ID 3
static const struct snd_sof_debugfs_map icl_dsp_debugfs[] = {
{"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS},
{"pp", HDA_DSP_PP_BAR, 0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS},
{"dsp", HDA_DSP_BAR, 0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS},
};
static int icl_dsp_core_stall(struct snd_sof_dev *sdev, unsigned int core_mask)
{
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
const struct sof_intel_dsp_desc *chip = hda->desc;
/* make sure core_mask in host managed cores */
core_mask &= chip->host_managed_cores_mask;
if (!core_mask) {
dev_err(sdev->dev, "error: core_mask is not in host managed cores\n");
return -EINVAL;
}
/* stall core */
snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPCS,
HDA_DSP_ADSPCS_CSTALL_MASK(core_mask),
HDA_DSP_ADSPCS_CSTALL_MASK(core_mask));
return 0;
}
/*
* post fw run operation for ICL.
* Core 3 will be powered up and in stall when HPRO is enabled
*/
static int icl_dsp_post_fw_run(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
int ret;
if (sdev->first_boot) {
ret = hda_sdw_startup(sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: could not startup SoundWire links\n");
return ret;
}
}
hda_sdw_int_enable(sdev, true);
/*
* The recommended HW programming sequence for ICL is to
* power up core 3 and keep it in stall if HPRO is enabled.
*/
if (!hda->clk_config_lpro) {
ret = hda_dsp_enable_core(sdev, BIT(ICL_DSP_HPRO_CORE_ID));
if (ret < 0) {
dev_err(sdev->dev, "error: dsp core power up failed on core %d\n",
ICL_DSP_HPRO_CORE_ID);
return ret;
}
sdev->enabled_cores_mask |= BIT(ICL_DSP_HPRO_CORE_ID);
sdev->dsp_core_ref_count[ICL_DSP_HPRO_CORE_ID]++;
snd_sof_dsp_stall(sdev, BIT(ICL_DSP_HPRO_CORE_ID));
}
/* re-enable clock gating and power gating */
return hda_dsp_ctrl_clock_power_gating(sdev, true);
}
/* Icelake ops */
const struct snd_sof_dsp_ops sof_icl_ops = {
/* probe/remove/shutdown */
.probe = hda_dsp_probe,
.remove = hda_dsp_remove,
.shutdown = hda_dsp_shutdown,
/* Register IO */
.write = sof_io_write,
.read = sof_io_read,
.write64 = sof_io_write64,
.read64 = sof_io_read64,
/* Block IO */
.block_read = sof_block_read,
.block_write = sof_block_write,
/* Mailbox IO */
.mailbox_read = sof_mailbox_read,
.mailbox_write = sof_mailbox_write,
/* doorbell */
.irq_thread = cnl_ipc_irq_thread,
/* ipc */
.send_msg = cnl_ipc_send_msg,
.fw_ready = sof_fw_ready,
.get_mailbox_offset = hda_dsp_ipc_get_mailbox_offset,
.get_window_offset = hda_dsp_ipc_get_window_offset,
.ipc_msg_data = hda_ipc_msg_data,
.set_stream_data_offset = hda_set_stream_data_offset,
/* machine driver */
.machine_select = hda_machine_select,
.machine_register = sof_machine_register,
.machine_unregister = sof_machine_unregister,
.set_mach_params = hda_set_mach_params,
/* debug */
.debug_map = icl_dsp_debugfs,
.debug_map_count = ARRAY_SIZE(icl_dsp_debugfs),
.dbg_dump = hda_dsp_dump,
.ipc_dump = cnl_ipc_dump,
.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
/* stream callbacks */
.pcm_open = hda_dsp_pcm_open,
.pcm_close = hda_dsp_pcm_close,
.pcm_hw_params = hda_dsp_pcm_hw_params,
.pcm_hw_free = hda_dsp_stream_hw_free,
.pcm_trigger = hda_dsp_pcm_trigger,
.pcm_pointer = hda_dsp_pcm_pointer,
.pcm_ack = hda_dsp_pcm_ack,
/* firmware loading */
.load_firmware = snd_sof_load_firmware_raw,
/* pre/post fw run */
.pre_fw_run = hda_dsp_pre_fw_run,
.post_fw_run = icl_dsp_post_fw_run,
/* parse platform specific extended manifest */
.parse_platform_ext_manifest = hda_dsp_ext_man_get_cavs_config_data,
/* dsp core get/put */
.core_get = hda_dsp_core_get,
/* firmware run */
.run = hda_dsp_cl_boot_firmware_iccmax,
.stall = icl_dsp_core_stall,
/* trace callback */
.trace_init = hda_dsp_trace_init,
.trace_release = hda_dsp_trace_release,
.trace_trigger = hda_dsp_trace_trigger,
/* client ops */
.register_ipc_clients = hda_register_clients,
.unregister_ipc_clients = hda_unregister_clients,
/* DAI drivers */
.drv = skl_dai,
.num_drv = SOF_SKL_NUM_DAIS,
/* PM */
.suspend = hda_dsp_suspend,
.resume = hda_dsp_resume,
.runtime_suspend = hda_dsp_runtime_suspend,
.runtime_resume = hda_dsp_runtime_resume,
.runtime_idle = hda_dsp_runtime_idle,
.set_hw_params_upon_resume = hda_dsp_set_hw_params_upon_resume,
.set_power_state = hda_dsp_set_power_state,
/* ALSA HW info flags */
.hw_info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
.dsp_arch_ops = &sof_xtensa_arch_ops,
};
EXPORT_SYMBOL_NS(sof_icl_ops, SND_SOC_SOF_INTEL_HDA_COMMON);
const struct sof_intel_dsp_desc icl_chip_info = {
/* Icelake */
.cores_num = 4,
.init_core_mask = 1,
.host_managed_cores_mask = GENMASK(3, 0),
.ipc_req = CNL_DSP_REG_HIPCIDR,
.ipc_req_mask = CNL_DSP_REG_HIPCIDR_BUSY,
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
.sdw_shim_base = SDW_SHIM_BASE,
.sdw_alh_base = SDW_ALH_BASE,
.check_sdw_irq = hda_common_check_sdw_irq,
};
EXPORT_SYMBOL_NS(icl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON);
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