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ASoC: SOF: amd: Add support for Rembrandt plaform.
Add pci driver and platform driver to enable SOF support on ACP6x architecture based Rembrandt platform. Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20220913144319.1055302-3-Vsujithkumar.Reddy@amd.com Signed-off-by: Mark Brown <broonie@kernel.org>
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| Original file line number | Diff line number | Diff line change |
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| // 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) 2022 Advanced Micro Devices, Inc. All rights reserved. | ||
| // | ||
| // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> | ||
|
|
||
| /*. | ||
| * PCI interface for Rembrandt ACP device | ||
| */ | ||
|
|
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| #include <linux/module.h> | ||
| #include <linux/pci.h> | ||
| #include <linux/platform_device.h> | ||
| #include <sound/sof.h> | ||
| #include <sound/soc-acpi.h> | ||
|
|
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| #include "../ops.h" | ||
| #include "../sof-pci-dev.h" | ||
| #include "../../amd/mach-config.h" | ||
| #include "acp.h" | ||
| #include "acp-dsp-offset.h" | ||
|
|
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| #define ACP6x_REG_START 0x1240000 | ||
| #define ACP6x_REG_END 0x125C000 | ||
|
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| static struct platform_device *dmic_dev; | ||
| static struct platform_device *pdev; | ||
|
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| static const struct resource rembrandt_res[] = { | ||
| { | ||
| .start = 0, | ||
| .end = ACP6x_REG_END - ACP6x_REG_START, | ||
| .name = "acp_mem", | ||
| .flags = IORESOURCE_MEM, | ||
| }, | ||
| { | ||
| .start = 0, | ||
| .end = 0, | ||
| .name = "acp_dai_irq", | ||
| .flags = IORESOURCE_IRQ, | ||
| }, | ||
| }; | ||
|
|
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| static const struct sof_amd_acp_desc rembrandt_chip_info = { | ||
| .rev = 6, | ||
| .host_bridge_id = HOST_BRIDGE_RMB, | ||
| .i2s_mode = 0x0a, | ||
| .pgfsm_base = ACP6X_PGFSM_BASE, | ||
| .ext_intr_stat = ACP6X_EXT_INTR_STAT, | ||
| .dsp_intr_base = ACP6X_DSP_SW_INTR_BASE, | ||
| .sram_pte_offset = ACP6X_SRAM_PTE_OFFSET, | ||
| .i2s_pin_config_offset = ACP6X_I2S_PIN_CONFIG, | ||
| .hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0, | ||
| .acp_clkmux_sel = ACP6X_CLKMUX_SEL, | ||
| .fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL, | ||
| }; | ||
|
|
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| static const struct sof_dev_desc rembrandt_desc = { | ||
| .machines = snd_soc_acpi_amd_rmb_sof_machines, | ||
| .resindex_lpe_base = 0, | ||
| .resindex_pcicfg_base = -1, | ||
| .resindex_imr_base = -1, | ||
| .irqindex_host_ipc = -1, | ||
| .chip_info = &rembrandt_chip_info, | ||
| .ipc_supported_mask = BIT(SOF_IPC), | ||
| .ipc_default = SOF_IPC, | ||
| .default_fw_path = { | ||
| [SOF_IPC] = "amd/sof", | ||
| }, | ||
| .default_tplg_path = { | ||
| [SOF_IPC] = "amd/sof-tplg", | ||
| }, | ||
| .default_fw_filename = { | ||
| [SOF_IPC] = "sof-rmb.ri", | ||
| }, | ||
| .nocodec_tplg_filename = "sof-acp.tplg", | ||
| .ops = &sof_rembrandt_ops, | ||
| .ops_init = sof_rembrandt_ops_init, | ||
| }; | ||
|
|
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| static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) | ||
| { | ||
| struct platform_device_info pdevinfo; | ||
| struct device *dev = &pci->dev; | ||
| const struct resource *res_i2s; | ||
| struct resource *res; | ||
| unsigned int flag, i, addr; | ||
| int ret; | ||
|
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| flag = snd_amd_acp_find_config(pci); | ||
| if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC) | ||
| return -ENODEV; | ||
|
|
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| ret = sof_pci_probe(pci, pci_id); | ||
| if (ret != 0) | ||
| return ret; | ||
|
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| dmic_dev = platform_device_register_data(dev, "dmic-codec", PLATFORM_DEVID_NONE, NULL, 0); | ||
| if (IS_ERR(dmic_dev)) { | ||
| dev_err(dev, "failed to create DMIC device\n"); | ||
| sof_pci_remove(pci); | ||
| return PTR_ERR(dmic_dev); | ||
| } | ||
|
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| /* Register platform device only if flag set to FLAG_AMD_SOF_ONLY_DMIC */ | ||
| if (flag != FLAG_AMD_SOF_ONLY_DMIC) | ||
| return 0; | ||
|
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| addr = pci_resource_start(pci, 0); | ||
| res = devm_kzalloc(&pci->dev, sizeof(struct resource) * ARRAY_SIZE(rembrandt_res), | ||
| GFP_KERNEL); | ||
| if (!res) { | ||
| platform_device_unregister(dmic_dev); | ||
| sof_pci_remove(pci); | ||
| return -ENOMEM; | ||
| } | ||
|
|
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| res_i2s = rembrandt_res; | ||
| for (i = 0; i < ARRAY_SIZE(rembrandt_res); i++, res_i2s++) { | ||
| res[i].name = res_i2s->name; | ||
| res[i].flags = res_i2s->flags; | ||
| res[i].start = addr + res_i2s->start; | ||
| res[i].end = addr + res_i2s->end; | ||
| if (res_i2s->flags == IORESOURCE_IRQ) { | ||
| res[i].start = pci->irq; | ||
| res[i].end = res[i].start; | ||
| } | ||
| } | ||
|
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| memset(&pdevinfo, 0, sizeof(pdevinfo)); | ||
|
|
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| /* | ||
| * We have common PCI driver probe for ACP device but we have to support I2S without SOF | ||
| * for some distributions. Register platform device that will be used to support non dsp | ||
| * ACP's audio ends points on some machines. | ||
| */ | ||
| pdevinfo.name = "acp_asoc_rembrandt"; | ||
| pdevinfo.id = 0; | ||
| pdevinfo.parent = &pci->dev; | ||
| pdevinfo.num_res = ARRAY_SIZE(rembrandt_res); | ||
| pdevinfo.res = &res[0]; | ||
|
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| pdev = platform_device_register_full(&pdevinfo); | ||
| if (IS_ERR(pdev)) { | ||
| dev_err(&pci->dev, "cannot register %s device\n", pdevinfo.name); | ||
| platform_device_unregister(dmic_dev); | ||
| sof_pci_remove(pci); | ||
| ret = PTR_ERR(pdev); | ||
| } | ||
|
|
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| return ret; | ||
| }; | ||
|
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| static void acp_pci_rmb_remove(struct pci_dev *pci) | ||
| { | ||
| if (dmic_dev) | ||
| platform_device_unregister(dmic_dev); | ||
| if (pdev) | ||
| platform_device_unregister(pdev); | ||
|
|
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| sof_pci_remove(pci); | ||
| } | ||
|
|
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| /* PCI IDs */ | ||
| static const struct pci_device_id rmb_pci_ids[] = { | ||
| { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID), | ||
| .driver_data = (unsigned long)&rembrandt_desc}, | ||
| { 0, } | ||
| }; | ||
| MODULE_DEVICE_TABLE(pci, rmb_pci_ids); | ||
|
|
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| /* pci_driver definition */ | ||
| static struct pci_driver snd_sof_pci_amd_rmb_driver = { | ||
| .name = KBUILD_MODNAME, | ||
| .id_table = rmb_pci_ids, | ||
| .probe = acp_pci_rmb_probe, | ||
| .remove = acp_pci_rmb_remove, | ||
| }; | ||
| module_pci_driver(snd_sof_pci_amd_rmb_driver); | ||
|
|
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| MODULE_LICENSE("Dual BSD/GPL"); | ||
| MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); | ||
| MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); |
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