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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | // 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 */ #include <linux/module.h> #include <linux/pci.h> #include <linux/platform_device.h> #include <sound/sof.h> #include <sound/soc-acpi.h> #include "../ops.h" #include "../sof-pci-dev.h" #include "../../amd/mach-config.h" #include "acp.h" #include "acp-dsp-offset.h" #define ACP6x_REG_START 0x1240000 #define ACP6x_REG_END 0x125C000 static struct platform_device *dmic_dev; static struct platform_device *pdev; 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, }, }; 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, }; 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, }; 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; flag = snd_amd_acp_find_config(pci); if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC) return -ENODEV; ret = sof_pci_probe(pci, pci_id); if (ret != 0) return ret; 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); } /* Register platform device only if flag set to FLAG_AMD_SOF_ONLY_DMIC */ if (flag != FLAG_AMD_SOF_ONLY_DMIC) return 0; 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; } 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; } } memset(&pdevinfo, 0, sizeof(pdevinfo)); /* * 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]; 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); } return ret; }; static void acp_pci_rmb_remove(struct pci_dev *pci) { if (dmic_dev) platform_device_unregister(dmic_dev); if (pdev) platform_device_unregister(pdev); sof_pci_remove(pci); } /* 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); /* 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); MODULE_LICENSE("Dual BSD/GPL"); MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); |