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-rw-r--r--sound/soc/sof/amd/pci-rn.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/sound/soc/sof/amd/pci-rn.c b/sound/soc/sof/amd/pci-rn.c
new file mode 100644
index 000000000..c72d5d8af
--- /dev/null
+++ b/sound/soc/sof/amd/pci-rn.c
@@ -0,0 +1,107 @@
+// 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) 2021 Advanced Micro Devices, Inc. All rights reserved.
+//
+// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
+
+/*
+ * PCI interface for Renoir 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 ACP3x_REG_START 0x1240000
+#define ACP3x_REG_END 0x125C000
+#define ACP3X_FUTURE_REG_ACLK_0 0x1860
+
+static const struct sof_amd_acp_desc renoir_chip_info = {
+ .rev = 3,
+ .host_bridge_id = HOST_BRIDGE_CZN,
+ .pgfsm_base = ACP3X_PGFSM_BASE,
+ .ext_intr_stat = ACP3X_EXT_INTR_STAT,
+ .dsp_intr_base = ACP3X_DSP_SW_INTR_BASE,
+ .sram_pte_offset = ACP3X_SRAM_PTE_OFFSET,
+ .hw_semaphore_offset = ACP3X_AXI2DAGB_SEM_0,
+ .acp_clkmux_sel = ACP3X_CLKMUX_SEL,
+ .probe_reg_offset = ACP3X_FUTURE_REG_ACLK_0,
+};
+
+static const struct sof_dev_desc renoir_desc = {
+ .machines = snd_soc_acpi_amd_sof_machines,
+ .use_acpi_target_states = true,
+ .resindex_lpe_base = 0,
+ .resindex_pcicfg_base = -1,
+ .resindex_imr_base = -1,
+ .irqindex_host_ipc = -1,
+ .chip_info = &renoir_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-rn.ri",
+ },
+ .nocodec_tplg_filename = "sof-acp.tplg",
+ .ops = &sof_renoir_ops,
+ .ops_init = sof_renoir_ops_init,
+};
+
+static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
+{
+ unsigned int flag;
+
+ if (pci->revision != ACP_RN_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_rn_remove(struct pci_dev *pci)
+{
+ return sof_pci_remove(pci);
+}
+
+/* PCI IDs */
+static const struct pci_device_id rn_pci_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
+ .driver_data = (unsigned long)&renoir_desc},
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, rn_pci_ids);
+
+/* pci_driver definition */
+static struct pci_driver snd_sof_pci_amd_rn_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = rn_pci_ids,
+ .probe = acp_pci_rn_probe,
+ .remove = acp_pci_rn_remove,
+ .driver = {
+ .pm = &sof_pci_pm,
+ },
+};
+module_pci_driver(snd_sof_pci_amd_rn_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
+MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);