Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 188 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 000000000..6fa060cab
--- /dev/null
+++ b/sound/soc/sof/amd/pci-rmb.c
@@ -0,0 +1,188 @@
+// 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,
+	.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;
+
+	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;
+
+	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);