1 files changed, 103 insertions, 0 deletions
diff --git a/sound/soc/sof/amd/pci-rmb.c b/sound/soc/sof/amd/pci-rmb.c
new file mode 100644
index 000000000000..2f288545c426
--- /dev/null
+++ b/sound/soc/sof/amd/pci-rmb.c
@@ -0,0 +1,103 @@
+// 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
+#define ACP6X_FUTURE_REG_ACLK_0	0x1854
+
+static const struct sof_amd_acp_desc rembrandt_chip_info = {
+	.rev		= 6,
+	.host_bridge_id = HOST_BRIDGE_RMB,
+	.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,
+	.hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0,
+	.fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL,
+	.probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0,
+};
+
+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_TYPE_3),
+	.ipc_default            = SOF_IPC_TYPE_3,
+	.default_fw_path	= {
+		[SOF_IPC_TYPE_3] = "amd/sof",
+	},
+	.default_tplg_path	= {
+		[SOF_IPC_TYPE_3] = "amd/sof-tplg",
+	},
+	.default_fw_filename	= {
+		[SOF_IPC_TYPE_3] = "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)
+{
+	unsigned int flag;
+
+	if (pci->revision != ACP_RMB_PCI_ID)
+		return -ENODEV;
+
+	flag = snd_amd_acp_find_config(pci);
+	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
+		return -ENODEV;
+
+	return sof_pci_probe(pci, pci_id);
+};
+
+static void acp_pci_rmb_remove(struct pci_dev *pci)
+{
+	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);