diff options
Diffstat (limited to 'sound/soc/sof/intel/skl.c')
| -rw-r--r-- | sound/soc/sof/intel/skl.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/skl.c b/sound/soc/sof/intel/skl.c new file mode 100644 index 000000000000..93824e6ce573 --- /dev/null +++ b/sound/soc/sof/intel/skl.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2018-2022 Intel Corporation. All rights reserved. +// + +/* + * Hardware interface for audio DSP on Skylake and Kabylake. + */ + +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/firmware.h> +#include <linux/fs.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/pci.h> +#include <sound/hdaudio_ext.h> +#include <sound/pcm_params.h> +#include <sound/sof.h> +#include <sound/sof/ext_manifest4.h> + +#include "../sof-priv.h" +#include "../ipc4-priv.h" +#include "../ops.h" +#include "hda.h" +#include "../sof-audio.h" + +#define SRAM_MEMORY_WINDOW_BASE 0x8000 + +static const __maybe_unused struct snd_sof_debugfs_map skl_dsp_debugfs[] = { + {"hda", HDA_DSP_HDA_BAR, 0, 0x4000}, + {"pp", HDA_DSP_PP_BAR, 0, 0x1000}, + {"dsp", HDA_DSP_BAR, 0, 0x10000}, +}; + +static int skl_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id) +{ + return SRAM_MEMORY_WINDOW_BASE + (0x2000 * id); +} + +static int skl_dsp_ipc_get_mailbox_offset(struct snd_sof_dev *sdev) +{ + return SRAM_MEMORY_WINDOW_BASE + 0x1000; +} + +/* skylake ops */ +struct snd_sof_dsp_ops sof_skl_ops; +EXPORT_SYMBOL_NS(sof_skl_ops, SND_SOC_SOF_INTEL_HDA_COMMON); + +int sof_skl_ops_init(struct snd_sof_dev *sdev) +{ + struct sof_ipc4_fw_data *ipc4_data; + + /* common defaults */ + memcpy(&sof_skl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops)); + + /* probe/remove/shutdown */ + sof_skl_ops.shutdown = hda_dsp_shutdown; + + sdev->private = kzalloc(sizeof(*ipc4_data), GFP_KERNEL); + if (!sdev->private) + return -ENOMEM; + + ipc4_data = sdev->private; + ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET_CAVS_1_5; + + ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_1_5; + + sof_skl_ops.get_window_offset = skl_dsp_ipc_get_window_offset; + sof_skl_ops.get_mailbox_offset = skl_dsp_ipc_get_mailbox_offset; + + /* doorbell */ + sof_skl_ops.irq_thread = hda_dsp_ipc4_irq_thread; + + /* ipc */ + sof_skl_ops.send_msg = hda_dsp_ipc4_send_msg; + + /* set DAI driver ops */ + hda_set_dai_drv_ops(sdev, &sof_skl_ops); + + /* debug */ + sof_skl_ops.debug_map = skl_dsp_debugfs; + sof_skl_ops.debug_map_count = ARRAY_SIZE(skl_dsp_debugfs); + sof_skl_ops.ipc_dump = hda_ipc4_dump; + + /* firmware run */ + sof_skl_ops.run = hda_dsp_cl_boot_firmware_skl; + + /* pre/post fw run */ + sof_skl_ops.post_fw_run = hda_dsp_post_fw_run; + + return 0; +}; +EXPORT_SYMBOL_NS(sof_skl_ops_init, SND_SOC_SOF_INTEL_HDA_COMMON); + +const struct sof_intel_dsp_desc skl_chip_info = { + .cores_num = 2, + .init_core_mask = 1, + .host_managed_cores_mask = GENMASK(1, 0), + .ipc_req = HDA_DSP_REG_HIPCI, + .ipc_req_mask = HDA_DSP_REG_HIPCI_BUSY, + .ipc_ack = HDA_DSP_REG_HIPCIE, + .ipc_ack_mask = HDA_DSP_REG_HIPCIE_DONE, + .ipc_ctl = HDA_DSP_REG_HIPCCTL, + .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS_SKL, + .rom_init_timeout = 300, + .check_ipc_irq = hda_dsp_check_ipc_irq, + .power_down_dsp = hda_power_down_dsp, + .disable_interrupts = hda_dsp_disable_interrupts, + .hw_ip_version = SOF_INTEL_CAVS_1_5, +}; +EXPORT_SYMBOL_NS(skl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON); |