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