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Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1102-ASoC-AMD-add-ACP3x-PCM-platform-driver.patch')
-rw-r--r--meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1102-ASoC-AMD-add-ACP3x-PCM-platform-driver.patch318
1 files changed, 0 insertions, 318 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1102-ASoC-AMD-add-ACP3x-PCM-platform-driver.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1102-ASoC-AMD-add-ACP3x-PCM-platform-driver.patch
deleted file mode 100644
index 64cba807..00000000
--- a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1102-ASoC-AMD-add-ACP3x-PCM-platform-driver.patch
+++ /dev/null
@@ -1,318 +0,0 @@
-From 8c4b4630d54733d5fcbc4753cde336893f3cd91a Mon Sep 17 00:00:00 2001
-From: Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@amd.com>
-Date: Wed, 29 Mar 2017 18:41:45 +0530
-Subject: [PATCH 1102/4131] ASoC: AMD: add ACP3x PCM platform driver
-
-PCM platform driver binds to the platform device creatd by ACP3x PCI
-device. PCM driver registers ALSA DMA and CPU DAI components with ASoC
-framework.
-
-Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
-Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
----
- sound/soc/amd/raven/acp3x-pcm-dma.c | 278 ++++++++++++++++++++++++++++++++++++
- sound/soc/amd/raven/acp3x.h | 3 +
- 2 files changed, 281 insertions(+)
- create mode 100644 sound/soc/amd/raven/acp3x-pcm-dma.c
-
-diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c
-new file mode 100644
-index 0000000..3fd9f86
---- /dev/null
-+++ b/sound/soc/amd/raven/acp3x-pcm-dma.c
-@@ -0,0 +1,278 @@
-+/*
-+ * AMD ALSA SoC PCM Driver
-+ *
-+ * Copyright 2016 Advanced Micro Devices, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms and conditions of the GNU General Public License,
-+ * version 2, as published by the Free Software Foundation.
-+ *
-+ * This program is distributed in the hope it will be useful, but WITHOUT
-+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-+ * more details.
-+ */
-+
-+#include <linux/platform_device.h>
-+#include <linux/module.h>
-+#include <linux/err.h>
-+
-+#include <sound/pcm.h>
-+#include <sound/pcm_params.h>
-+#include <sound/soc.h>
-+#include <sound/soc-dai.h>
-+
-+#include "acp3x.h"
-+
-+struct i2s_dev_data {
-+ void __iomem *acp3x_base;
-+ struct snd_pcm_substream *play_stream;
-+ struct snd_pcm_substream *capture_stream;
-+};
-+
-+static int acp3x_power_on(void __iomem *acp3x_base, bool on)
-+{
-+ u16 val, mask;
-+ u32 timeout;
-+
-+ if (on == true) {
-+ val = 1;
-+ mask = 0;
-+ } else {
-+ val = 0;
-+ mask = 2;
-+ }
-+
-+ rv_writel(val, acp3x_base + mmACP_PGFSM_CONTROL);
-+ timeout = 0;
-+ while (true) {
-+ val = rv_readl(acp3x_base + mmACP_PGFSM_STATUS);
-+ if ((val & 0x3) == mask)
-+ break;
-+ if (timeout > 100) {
-+ pr_err("ACP3x power state change failure\n");
-+ return -ENODEV;
-+ }
-+ timeout++;
-+ cpu_relax();
-+ }
-+ return 0;
-+}
-+
-+static int acp3x_reset(void __iomem *acp3x_base)
-+{
-+ u32 val, timeout;
-+
-+ rv_writel(1, acp3x_base + mmACP_SOFT_RESET);
-+ timeout = 0;
-+ while (true) {
-+ val = rv_readl(acp3x_base + mmACP_SOFT_RESET);
-+ if ((val & 0x00010001) || timeout > 100) {
-+ if (val & 0x00010001)
-+ break;
-+ return -ENODEV;
-+ }
-+ timeout++;
-+ cpu_relax();
-+ }
-+
-+ rv_writel(0, acp3x_base + mmACP_SOFT_RESET);
-+ timeout = 0;
-+ while (true) {
-+ val = rv_readl(acp3x_base + mmACP_SOFT_RESET);
-+ if (!val || timeout > 100) {
-+ if (!val)
-+ break;
-+ return -ENODEV;
-+ }
-+ timeout++;
-+ cpu_relax();
-+ }
-+ return 0;
-+}
-+
-+static int acp3x_init(void __iomem *acp3x_base)
-+{
-+ int ret;
-+
-+ /* power on */
-+ ret = acp3x_power_on(acp3x_base, true);
-+ if (ret) {
-+ pr_err("ACP3x power on failed\n");
-+ return ret;
-+ }
-+
-+ /* Reset */
-+ ret = acp3x_reset(acp3x_base);
-+ if (ret) {
-+ pr_err("ACP3x reset failed\n");
-+ return ret;
-+ }
-+
-+ pr_info("ACP Initialized\n");
-+ return 0;
-+}
-+
-+static int acp3x_deinit(void __iomem *acp3x_base)
-+{
-+ int ret;
-+
-+ /* Reset */
-+ ret = acp3x_reset(acp3x_base);
-+ if (ret) {
-+ pr_err("ACP3x reset failed\n");
-+ return ret;
-+ }
-+
-+ /* power off */
-+ ret = acp3x_power_on(acp3x_base, false);
-+ if (ret) {
-+ pr_err("ACP3x power off failed\n");
-+ return ret;
-+ }
-+
-+ pr_info("ACP De-Initialized\n");
-+ return 0;
-+}
-+
-+static struct snd_pcm_ops acp3x_dma_ops = {
-+ .open = NULL,
-+ .close = NULL,
-+ .ioctl = NULL,
-+ .hw_params = NULL,
-+ .hw_free = NULL,
-+ .pointer = NULL,
-+ .mmap = NULL,
-+};
-+
-+static struct snd_soc_platform_driver acp3x_asoc_platform = {
-+ .ops = &acp3x_dma_ops,
-+ .pcm_new = NULL,
-+};
-+
-+struct snd_soc_dai_ops acp3x_dai_i2s_ops = {
-+ .hw_params = NULL,
-+ .trigger = NULL,
-+ .set_fmt = NULL,
-+};
-+
-+static struct snd_soc_dai_driver acp3x_i2s_dai_driver = {
-+ .playback = {
-+ .rates = SNDRV_PCM_RATE_8000_96000,
-+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
-+ SNDRV_PCM_FMTBIT_U8 |
-+ SNDRV_PCM_FMTBIT_S24_LE |
-+ SNDRV_PCM_FMTBIT_S32_LE,
-+ .channels_min = 2,
-+ .channels_max = 8,
-+
-+ .rate_min = 8000,
-+ .rate_max = 96000,
-+ },
-+ .capture = {
-+ .rates = SNDRV_PCM_RATE_8000_48000,
-+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
-+ SNDRV_PCM_FMTBIT_U8 |
-+ SNDRV_PCM_FMTBIT_S24_LE |
-+ SNDRV_PCM_FMTBIT_S32_LE,
-+ .channels_min = 2,
-+ .channels_max = 2,
-+ .rate_min = 8000,
-+ .rate_max = 48000,
-+ },
-+ .ops = &acp3x_dai_i2s_ops,
-+};
-+
-+static const struct snd_soc_component_driver acp3x_i2s_component = {
-+ .name = "acp3x_i2s",
-+};
-+
-+static int acp3x_audio_probe(struct platform_device *pdev)
-+{
-+ int status;
-+ struct resource *res;
-+ struct i2s_dev_data *adata;
-+ unsigned int irqflags;
-+
-+ if (pdev->dev.platform_data == NULL) {
-+ dev_err(&pdev->dev, "platform_data not retrieved\n");
-+ return -ENODEV;
-+ }
-+ irqflags = *((unsigned int *)(pdev->dev.platform_data));
-+
-+ adata = devm_kzalloc(&pdev->dev, sizeof(struct i2s_dev_data),
-+ GFP_KERNEL);
-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!res) {
-+ dev_err(&pdev->dev, "IORESOURCE_IRQ FAILED\n");
-+ return -ENODEV;
-+ }
-+
-+ adata->acp3x_base = devm_ioremap(&pdev->dev, res->start,
-+ resource_size(res));
-+
-+ adata->play_stream = NULL;
-+ adata->capture_stream = NULL;
-+
-+ dev_set_drvdata(&pdev->dev, adata);
-+ /* Initialize ACP */
-+ status = acp3x_init(adata->acp3x_base);
-+ if (status)
-+ return -ENODEV;
-+
-+ status = snd_soc_register_platform(&pdev->dev, &acp3x_asoc_platform);
-+ if (status != 0) {
-+ dev_err(&pdev->dev, "Fail to register ALSA platform device\n");
-+ goto dev_err;
-+ }
-+
-+ status = devm_snd_soc_register_component(&pdev->dev,
-+ &acp3x_i2s_component, &acp3x_i2s_dai_driver, 1);
-+ if (status != 0) {
-+ dev_err(&pdev->dev, "Fail to register acp i2s dai\n");
-+ snd_soc_unregister_platform(&pdev->dev);
-+ goto dev_err;
-+ }
-+
-+ return 0;
-+dev_err:
-+ status = acp3x_deinit(adata->acp3x_base);
-+ if (status)
-+ dev_err(&pdev->dev, "ACP de-init failed\n");
-+ else
-+ dev_info(&pdev->dev, "ACP de-initialized\n");
-+ /*ignore device status and return driver probe error*/
-+ return -ENODEV;
-+}
-+
-+static int acp3x_audio_remove(struct platform_device *pdev)
-+{
-+ int ret;
-+ struct i2s_dev_data *adata = dev_get_drvdata(&pdev->dev);
-+
-+ snd_soc_unregister_component(&pdev->dev);
-+ snd_soc_unregister_platform(&pdev->dev);
-+
-+ ret = acp3x_deinit(adata->acp3x_base);
-+ if (ret)
-+ dev_err(&pdev->dev, "ACP de-init failed\n");
-+ else
-+ dev_info(&pdev->dev, "ACP de-initialized\n");
-+
-+ return 0;
-+}
-+
-+static struct platform_driver acp3x_dma_driver = {
-+ .probe = acp3x_audio_probe,
-+ .remove = acp3x_audio_remove,
-+ .driver = {
-+ .name = "acp3x_rv_i2s",
-+ },
-+};
-+
-+module_platform_driver(acp3x_dma_driver);
-+
-+MODULE_AUTHOR("Maruthi.Bayyavarapu@amd.com");
-+MODULE_DESCRIPTION("AMD ACP 3.x PCM Driver");
-+MODULE_LICENSE("GPL v2");
-+MODULE_ALIAS("platform:acp3x-i2s-audio");
-diff --git a/sound/soc/amd/raven/acp3x.h b/sound/soc/amd/raven/acp3x.h
-index 1996faf..b6d4659 100644
---- a/sound/soc/amd/raven/acp3x.h
-+++ b/sound/soc/amd/raven/acp3x.h
-@@ -4,6 +4,9 @@
- #define ACP3x_I2S_MODE 0
- #define ACP3x_REG_START 0x1240000
- #define ACP3x_REG_END 0x1250200
-+#define BT_TX_THRESHOLD 26
-+#define BT_RX_THRESHOLD 25
-+
-
- static inline u32 rv_readl(void __iomem *base_addr)
- {
---
-2.7.4
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-16 22:02:02 +0000