Adding upstream version 6.1.76.upstream/6.1.76upstream

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

1 files changed, 348 insertions, 0 deletions

diff --git a/sound/soc/amd/acp/acp-renoir.c b/sound/soc/amd/acp/acp-renoir.c
new file mode 100644
index 000000000..2a89a0d2e
--- /dev/null
+++ b/sound/soc/amd/acp/acp-renoir.c
@@ -0,0 +1,348 @@
+// 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.
+//
+// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
+//
+
+/*
+ * Hardware interface for Renoir ACP block
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+#include <linux/dma-mapping.h>
+
+#include "amd.h"
+
+#define DRV_NAME "acp_asoc_renoir"
+
+#define ACP_SOFT_RST_DONE_MASK	0x00010001
+
+#define ACP_PWR_ON_MASK		0x01
+#define ACP_PWR_OFF_MASK	0x00
+#define ACP_PGFSM_STAT_MASK	0x03
+#define ACP_POWERED_ON		0x00
+#define ACP_PWR_ON_IN_PROGRESS	0x01
+#define ACP_POWERED_OFF		0x02
+#define DELAY_US		5
+#define ACP_TIMEOUT		500
+
+#define ACP_ERROR_MASK 0x20000000
+#define ACP_EXT_INTR_STAT_CLEAR_MASK 0xFFFFFFFF
+
+static struct acp_resource rsrc = {
+	.offset = 20,
+	.no_of_ctrls = 1,
+	.irqp_used = 0,
+	.irq_reg_offset = 0x1800,
+	.i2s_pin_cfg_offset = 0x1400,
+	.i2s_mode = 0x04,
+	.scratch_reg_offset = 0x12800,
+	.sram_pte_offset = 0x02052800,
+};
+
+static struct snd_soc_acpi_codecs amp_rt1019 = {
+	.num_codecs = 1,
+	.codecs = {"10EC1019"}
+};
+
+static struct snd_soc_acpi_codecs amp_max = {
+	.num_codecs = 1,
+	.codecs = {"MX98360A"}
+};
+
+static struct snd_soc_acpi_mach snd_soc_acpi_amd_acp_machines[] = {
+	{
+		.id = "10EC5682",
+		.drv_name = "acp3xalc56821019",
+		.machine_quirk = snd_soc_acpi_codec_list,
+		.quirk_data = &amp_rt1019,
+	},
+	{
+		.id = "RTL5682",
+		.drv_name = "acp3xalc5682sm98360",
+		.machine_quirk = snd_soc_acpi_codec_list,
+		.quirk_data = &amp_max,
+	},
+	{
+		.id = "RTL5682",
+		.drv_name = "acp3xalc5682s1019",
+		.machine_quirk = snd_soc_acpi_codec_list,
+		.quirk_data = &amp_rt1019,
+	},
+	{
+		.id = "AMDI1019",
+		.drv_name = "renoir-acp",
+	},
+	{},
+};
+
+static struct snd_soc_dai_driver acp_renoir_dai[] = {
+{
+	.name = "acp-i2s-sp",
+	.id = I2S_SP_INSTANCE,
+	.playback = {
+		.stream_name = "I2S SP Playback",
+		.rates = SNDRV_PCM_RATE_8000_96000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
+		.channels_min = 2,
+		.channels_max = 8,
+		.rate_min = 8000,
+		.rate_max = 96000,
+	},
+	.capture = {
+		.stream_name = "I2S SP Capture",
+		.rates = SNDRV_PCM_RATE_8000_48000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
+		.channels_min = 2,
+		.channels_max = 2,
+		.rate_min = 8000,
+		.rate_max = 48000,
+	},
+	.ops = &asoc_acp_cpu_dai_ops,
+	.probe = &asoc_acp_i2s_probe,
+},
+{
+	.name = "acp-i2s-bt",
+	.id = I2S_BT_INSTANCE,
+	.playback = {
+		.stream_name = "I2S BT Playback",
+		.rates = SNDRV_PCM_RATE_8000_96000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
+		.channels_min = 2,
+		.channels_max = 8,
+		.rate_min = 8000,
+		.rate_max = 96000,
+	},
+	.capture = {
+		.stream_name = "I2S BT Capture",
+		.rates = SNDRV_PCM_RATE_8000_48000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+			   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
+		.channels_min = 2,
+		.channels_max = 2,
+		.rate_min = 8000,
+		.rate_max = 48000,
+	},
+	.ops = &asoc_acp_cpu_dai_ops,
+	.probe = &asoc_acp_i2s_probe,
+},
+{
+	.name = "acp-pdm-dmic",
+	.id = DMIC_INSTANCE,
+	.capture = {
+		.rates = SNDRV_PCM_RATE_8000_48000,
+		.formats = SNDRV_PCM_FMTBIT_S32_LE,
+		.channels_min = 2,
+		.channels_max = 2,
+		.rate_min = 8000,
+		.rate_max = 48000,
+	},
+	.ops = &acp_dmic_dai_ops,
+},
+};
+
+static int acp3x_power_on(void __iomem *base)
+{
+	u32 val;
+
+	val = readl(base + ACP_PGFSM_STATUS);
+
+	if (val == ACP_POWERED_ON)
+		return 0;
+
+	if ((val & ACP_PGFSM_STAT_MASK) != ACP_PWR_ON_IN_PROGRESS)
+		writel(ACP_PWR_ON_MASK, base + ACP_PGFSM_CONTROL);
+
+	return readl_poll_timeout(base + ACP_PGFSM_STATUS, val, !val, DELAY_US, ACP_TIMEOUT);
+}
+
+static int acp3x_power_off(void __iomem *base)
+{
+	u32 val;
+
+	writel(ACP_PWR_OFF_MASK, base + ACP_PGFSM_CONTROL);
+
+	return readl_poll_timeout(base + ACP_PGFSM_STATUS, val,
+				  (val & ACP_PGFSM_STAT_MASK) == ACP_POWERED_OFF,
+				  DELAY_US, ACP_TIMEOUT);
+}
+
+static int acp3x_reset(void __iomem *base)
+{
+	u32 val;
+	int ret;
+
+	writel(1, base + ACP_SOFT_RESET);
+
+	ret = readl_poll_timeout(base + ACP_SOFT_RESET, val, val & ACP_SOFT_RST_DONE_MASK,
+				 DELAY_US, ACP_TIMEOUT);
+	if (ret)
+		return ret;
+
+	writel(0, base + ACP_SOFT_RESET);
+
+	return readl_poll_timeout(base + ACP_SOFT_RESET, val, !val, DELAY_US, ACP_TIMEOUT);
+}
+
+static void acp3x_enable_interrupts(struct acp_dev_data *adata)
+{
+	struct acp_resource *rsrc = adata->rsrc;
+	u32 ext_intr_ctrl;
+
+	writel(0x01, ACP_EXTERNAL_INTR_ENB(adata));
+	ext_intr_ctrl = readl(ACP_EXTERNAL_INTR_CNTL(adata, rsrc->irqp_used));
+	ext_intr_ctrl |= ACP_ERROR_MASK;
+	writel(ext_intr_ctrl, ACP_EXTERNAL_INTR_CNTL(adata, rsrc->irqp_used));
+}
+
+static void acp3x_disable_interrupts(struct acp_dev_data *adata)
+{
+	struct acp_resource *rsrc = adata->rsrc;
+
+	writel(ACP_EXT_INTR_STAT_CLEAR_MASK,
+	       ACP_EXTERNAL_INTR_STAT(adata, rsrc->irqp_used));
+	writel(0x00, ACP_EXTERNAL_INTR_ENB(adata));
+}
+
+static int rn_acp_init(void __iomem *base)
+{
+	int ret;
+
+	/* power on */
+	ret = acp3x_power_on(base);
+	if (ret)
+		return ret;
+
+	writel(0x01, base + ACP_CONTROL);
+
+	/* Reset */
+	ret = acp3x_reset(base);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int rn_acp_deinit(void __iomem *base)
+{
+	int ret = 0;
+
+	/* Reset */
+	ret = acp3x_reset(base);
+	if (ret)
+		return ret;
+
+	writel(0x00, base + ACP_CONTROL);
+
+	/* power off */
+	ret = acp3x_power_off(base);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+static int renoir_audio_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct acp_chip_info *chip;
+	struct acp_dev_data *adata;
+	struct resource *res;
+	int ret;
+
+	chip = dev_get_platdata(&pdev->dev);
+	if (!chip || !chip->base) {
+		dev_err(&pdev->dev, "ACP chip data is NULL\n");
+		return -ENODEV;
+	}
+
+	if (chip->acp_rev != ACP3X_DEV) {
+		dev_err(&pdev->dev, "Un-supported ACP Revision %d\n", chip->acp_rev);
+		return -ENODEV;
+	}
+
+	ret = rn_acp_init(chip->base);
+	if (ret) {
+		dev_err(&pdev->dev, "ACP Init failed\n");
+		return -EINVAL;
+	}
+
+	adata = devm_kzalloc(dev, sizeof(struct acp_dev_data), GFP_KERNEL);
+	if (!adata)
+		return -ENOMEM;
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "acp_mem");
+	if (!res) {
+		dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");
+		return -ENODEV;
+	}
+
+	adata->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
+	if (!adata->acp_base)
+		return -ENOMEM;
+
+	ret = platform_get_irq_byname(pdev, "acp_dai_irq");
+	if (ret < 0)
+		return ret;
+	adata->i2s_irq = ret;
+
+	adata->dev = dev;
+	adata->dai_driver = acp_renoir_dai;
+	adata->num_dai = ARRAY_SIZE(acp_renoir_dai);
+	adata->rsrc = &rsrc;
+
+	adata->machines = snd_soc_acpi_amd_acp_machines;
+	acp_machine_select(adata);
+
+	dev_set_drvdata(dev, adata);
+	acp3x_enable_interrupts(adata);
+	acp_platform_register(dev);
+
+	return 0;
+}
+
+static int renoir_audio_remove(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct acp_dev_data *adata = dev_get_drvdata(dev);
+	struct acp_chip_info *chip;
+	int ret;
+
+	chip = dev_get_platdata(&pdev->dev);
+
+	acp3x_disable_interrupts(adata);
+
+	ret = rn_acp_deinit(chip->base);
+	if (ret)
+		dev_err(&pdev->dev, "ACP de-init Failed (%pe)\n", ERR_PTR(ret));
+
+	acp_platform_unregister(dev);
+	return 0;
+}
+
+static struct platform_driver renoir_driver = {
+	.probe = renoir_audio_probe,
+	.remove = renoir_audio_remove,
+	.driver = {
+		.name = "acp_asoc_renoir",
+	},
+};
+
+module_platform_driver(renoir_driver);
+
+MODULE_DESCRIPTION("AMD ACP Renoir Driver");
+MODULE_IMPORT_NS(SND_SOC_ACP_COMMON);
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_ALIAS("platform:" DRV_NAME);