mirror of
https://github.com/edk2-porting/linux-next.git
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a226893b85
Add support for PCI based DSP devices. Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Mark Brown <broonie@kernel.org>
374 lines
10 KiB
C
374 lines
10 KiB
C
// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2018 Intel Corporation. All rights reserved.
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//
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// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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//
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#include <linux/firmware.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/pm_runtime.h>
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#include <sound/soc-acpi.h>
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#include <sound/soc-acpi-intel-match.h>
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#include <sound/sof.h>
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#include "ops.h"
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/* platform specific devices */
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#include "intel/shim.h"
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#include "intel/hda.h"
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static char *fw_path;
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module_param(fw_path, charp, 0444);
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MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
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static char *tplg_path;
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module_param(tplg_path, charp, 0444);
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MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
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static const struct sof_dev_desc bxt_desc = {
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.machines = snd_soc_acpi_intel_bxt_machines,
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.resindex_lpe_base = 0,
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = -1,
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.irqindex_host_ipc = -1,
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.resindex_dma_base = -1,
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.chip_info = &apl_chip_info,
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.default_fw_path = "intel/sof",
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.default_tplg_path = "intel/sof-tplg",
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.nocodec_fw_filename = "sof-apl.ri",
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.nocodec_tplg_filename = "sof-apl-nocodec.tplg",
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.ops = &sof_apl_ops,
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.arch_ops = &sof_xtensa_arch_ops
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};
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
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static const struct sof_dev_desc glk_desc = {
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.machines = snd_soc_acpi_intel_glk_machines,
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.resindex_lpe_base = 0,
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = -1,
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.irqindex_host_ipc = -1,
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.resindex_dma_base = -1,
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.chip_info = &apl_chip_info,
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.default_fw_path = "intel/sof",
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.default_tplg_path = "intel/sof-tplg",
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.nocodec_fw_filename = "sof-glk.ri",
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.nocodec_tplg_filename = "sof-glk-nocodec.tplg",
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.ops = &sof_apl_ops,
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.arch_ops = &sof_xtensa_arch_ops
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};
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
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static struct snd_soc_acpi_mach sof_tng_machines[] = {
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{
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.id = "INT343A",
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.drv_name = "edison",
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.sof_fw_filename = "sof-byt.ri",
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.sof_tplg_filename = "sof-byt.tplg",
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},
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{}
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};
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static const struct sof_dev_desc tng_desc = {
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.machines = sof_tng_machines,
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.resindex_lpe_base = 3, /* IRAM, but subtract IRAM offset */
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = 0,
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.irqindex_host_ipc = -1,
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.resindex_dma_base = -1,
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.chip_info = &tng_chip_info,
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.default_fw_path = "intel/sof",
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.default_tplg_path = "intel/sof-tplg",
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.nocodec_fw_filename = "sof-byt.ri",
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.nocodec_tplg_filename = "sof-byt.tplg",
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.ops = &sof_tng_ops,
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.arch_ops = &sof_xtensa_arch_ops
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};
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
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static const struct sof_dev_desc cnl_desc = {
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.machines = snd_soc_acpi_intel_cnl_machines,
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.resindex_lpe_base = 0,
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = -1,
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.irqindex_host_ipc = -1,
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.resindex_dma_base = -1,
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.chip_info = &cnl_chip_info,
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.default_fw_path = "intel/sof",
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.default_tplg_path = "intel/sof-tplg",
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.nocodec_fw_filename = "sof-cnl.ri",
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.nocodec_tplg_filename = "sof-cnl-nocodec.tplg",
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.ops = &sof_cnl_ops,
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.arch_ops = &sof_xtensa_arch_ops
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};
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
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static const struct sof_dev_desc cfl_desc = {
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.machines = snd_soc_acpi_intel_cnl_machines,
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.resindex_lpe_base = 0,
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = -1,
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.irqindex_host_ipc = -1,
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.resindex_dma_base = -1,
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.chip_info = &cnl_chip_info,
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.default_fw_path = "intel/sof",
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.default_tplg_path = "intel/sof-tplg",
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.nocodec_fw_filename = "sof-cnl.ri",
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.nocodec_tplg_filename = "sof-cnl-nocodec.tplg",
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.ops = &sof_cnl_ops,
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.arch_ops = &sof_xtensa_arch_ops
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};
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
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static const struct sof_dev_desc icl_desc = {
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.machines = snd_soc_acpi_intel_icl_machines,
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.resindex_lpe_base = 0,
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = -1,
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.irqindex_host_ipc = -1,
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.resindex_dma_base = -1,
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.chip_info = &cnl_chip_info,
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.default_fw_path = "intel/sof",
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.default_tplg_path = "intel/sof-tplg",
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.nocodec_fw_filename = "sof-icl.ri",
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.nocodec_tplg_filename = "sof-icl-nocodec.tplg",
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.ops = &sof_cnl_ops,
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.arch_ops = &sof_xtensa_arch_ops
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};
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_SKYLAKE)
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static const struct sof_dev_desc skl_desc = {
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.machines = snd_soc_acpi_intel_skl_machines,
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.resindex_lpe_base = 0,
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = -1,
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.irqindex_host_ipc = -1,
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.resindex_dma_base = -1,
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.chip_info = &skl_chip_info,
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.default_fw_path = "intel/sof",
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.default_tplg_path = "intel/sof-tplg",
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.nocodec_fw_filename = "sof-skl.ri",
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.nocodec_tplg_filename = "sof-skl-nocodec.tplg",
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.ops = &sof_skl_ops,
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.arch_ops = &sof_xtensa_arch_ops
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};
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_KABYLAKE)
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static const struct sof_dev_desc kbl_desc = {
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.machines = snd_soc_acpi_intel_kbl_machines,
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.resindex_lpe_base = 0,
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = -1,
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.irqindex_host_ipc = -1,
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.resindex_dma_base = -1,
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.chip_info = &skl_chip_info,
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.default_fw_path = "intel/sof",
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.default_tplg_path = "intel/sof-tplg",
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.nocodec_fw_filename = "sof-kbl.ri",
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.nocodec_tplg_filename = "sof-kbl-nocodec.tplg",
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.ops = &sof_skl_ops,
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.arch_ops = &sof_xtensa_arch_ops
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};
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#endif
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static const struct dev_pm_ops sof_pci_pm = {
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SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
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SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
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NULL)
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};
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static void sof_pci_probe_complete(struct device *dev)
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{
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dev_dbg(dev, "Completing SOF PCI probe");
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/* allow runtime_pm */
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pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS);
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pm_runtime_use_autosuspend(dev);
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/*
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* runtime pm for pci device is "forbidden" by default.
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* so call pm_runtime_allow() to enable it.
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*/
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pm_runtime_allow(dev);
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/* follow recommendation in pci-driver.c to decrement usage counter */
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pm_runtime_put_noidle(dev);
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}
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static int sof_pci_probe(struct pci_dev *pci,
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const struct pci_device_id *pci_id)
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{
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struct device *dev = &pci->dev;
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const struct sof_dev_desc *desc =
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(const struct sof_dev_desc *)pci_id->driver_data;
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struct snd_soc_acpi_mach *mach;
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struct snd_sof_pdata *sof_pdata;
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const struct snd_sof_dsp_ops *ops;
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int ret;
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dev_dbg(&pci->dev, "PCI DSP detected");
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/* get ops for platform */
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ops = desc->ops;
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if (!ops) {
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dev_err(dev, "error: no matching PCI descriptor ops\n");
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return -ENODEV;
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}
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sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL);
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if (!sof_pdata)
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return -ENOMEM;
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ret = pcim_enable_device(pci);
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if (ret < 0)
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return ret;
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ret = pci_request_regions(pci, "Audio DSP");
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if (ret < 0)
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return ret;
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
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/* force nocodec mode */
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dev_warn(dev, "Force to use nocodec mode\n");
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mach = devm_kzalloc(dev, sizeof(*mach), GFP_KERNEL);
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if (!mach) {
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ret = -ENOMEM;
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goto release_regions;
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}
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ret = sof_nocodec_setup(dev, sof_pdata, mach, desc, ops);
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if (ret < 0)
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goto release_regions;
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#else
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/* find machine */
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mach = snd_soc_acpi_find_machine(desc->machines);
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if (!mach) {
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dev_warn(dev, "warning: No matching ASoC machine driver found\n");
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} else {
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mach->mach_params.platform = dev_name(dev);
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sof_pdata->fw_filename = mach->sof_fw_filename;
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sof_pdata->tplg_filename = mach->sof_tplg_filename;
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}
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#endif /* CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE */
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sof_pdata->name = pci_name(pci);
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sof_pdata->machine = mach;
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sof_pdata->desc = (struct sof_dev_desc *)pci_id->driver_data;
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sof_pdata->dev = dev;
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sof_pdata->platform = dev_name(dev);
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/* alternate fw and tplg filenames ? */
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if (fw_path)
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sof_pdata->fw_filename_prefix = fw_path;
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else
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sof_pdata->fw_filename_prefix =
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sof_pdata->desc->default_fw_path;
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if (tplg_path)
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sof_pdata->tplg_filename_prefix = tplg_path;
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else
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sof_pdata->tplg_filename_prefix =
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sof_pdata->desc->default_tplg_path;
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
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/* set callback to enable runtime_pm */
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sof_pdata->sof_probe_complete = sof_pci_probe_complete;
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#endif
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/* call sof helper for DSP hardware probe */
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ret = snd_sof_device_probe(dev, sof_pdata);
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if (ret) {
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dev_err(dev, "error: failed to probe DSP hardware!\n");
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goto release_regions;
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}
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#if !IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)
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sof_pci_probe_complete(dev);
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#endif
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return ret;
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release_regions:
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pci_release_regions(pci);
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return ret;
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}
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static void sof_pci_remove(struct pci_dev *pci)
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{
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/* call sof helper for DSP hardware remove */
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snd_sof_device_remove(&pci->dev);
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/* follow recommendation in pci-driver.c to increment usage counter */
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pm_runtime_get_noresume(&pci->dev);
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/* release pci regions and disable device */
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pci_release_regions(pci);
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}
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/* PCI IDs */
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static const struct pci_device_id sof_pci_ids[] = {
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
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{ PCI_DEVICE(0x8086, 0x119a),
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.driver_data = (unsigned long)&tng_desc},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
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/* BXT-P & Apollolake */
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{ PCI_DEVICE(0x8086, 0x5a98),
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.driver_data = (unsigned long)&bxt_desc},
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{ PCI_DEVICE(0x8086, 0x1a98),
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.driver_data = (unsigned long)&bxt_desc},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
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{ PCI_DEVICE(0x8086, 0x3198),
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.driver_data = (unsigned long)&glk_desc},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
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{ PCI_DEVICE(0x8086, 0x9dc8),
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.driver_data = (unsigned long)&cnl_desc},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
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{ PCI_DEVICE(0x8086, 0xa348),
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.driver_data = (unsigned long)&cfl_desc},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_KABYLAKE)
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{ PCI_DEVICE(0x8086, 0x9d71),
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.driver_data = (unsigned long)&kbl_desc},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_SKYLAKE)
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{ PCI_DEVICE(0x8086, 0x9d70),
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.driver_data = (unsigned long)&skl_desc},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
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{ PCI_DEVICE(0x8086, 0x34C8),
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.driver_data = (unsigned long)&icl_desc},
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#endif
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{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, sof_pci_ids);
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/* pci_driver definition */
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static struct pci_driver snd_sof_pci_driver = {
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.name = "sof-audio-pci",
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.id_table = sof_pci_ids,
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.probe = sof_pci_probe,
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.remove = sof_pci_remove,
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.driver = {
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.pm = &sof_pci_pm,
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},
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};
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module_pci_driver(snd_sof_pci_driver);
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MODULE_LICENSE("Dual BSD/GPL");
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