Remove the individual acp init and de-init functions from different variants of acp pci driver(for renoir/rembrandt platforms) and use a common file to define callbacks and refactor the callbacks to support existing platforms.
Signed-off-by: Syed Saba Kareem Syed.SabaKareem@amd.com --- sound/soc/amd/acp/Kconfig | 4 + sound/soc/amd/acp/Makefile | 2 + sound/soc/amd/acp/acp-legacy-common.c | 99 +++++++++++++++++++++++ sound/soc/amd/acp/acp-pci.c | 9 +++ sound/soc/amd/acp/acp-rembrandt.c | 110 -------------------------- sound/soc/amd/acp/acp-renoir.c | 92 --------------------- sound/soc/amd/acp/amd.h | 21 +++++ 7 files changed, 135 insertions(+), 202 deletions(-) create mode 100644 sound/soc/amd/acp/acp-legacy-common.c
diff --git a/sound/soc/amd/acp/Kconfig b/sound/soc/amd/acp/Kconfig index ce0037810743..6a369e5d825c 100644 --- a/sound/soc/amd/acp/Kconfig +++ b/sound/soc/amd/acp/Kconfig @@ -18,6 +18,9 @@ if SND_SOC_AMD_ACP_COMMON config SND_SOC_AMD_ACP_PDM tristate
+config SND_SOC_AMD_ACP_LEGACY_COMMON + tristate + config SND_SOC_AMD_ACP_I2S tristate
@@ -28,6 +31,7 @@ config SND_SOC_AMD_ACP_PCM config SND_SOC_AMD_ACP_PCI tristate "AMD ACP PCI Driver Support" depends on X86 && PCI + select SND_SOC_AMD_ACP_LEGACY_COMMON help This options enables generic PCI driver for ACP device.
diff --git a/sound/soc/amd/acp/Makefile b/sound/soc/amd/acp/Makefile index d9abb0ee5218..4e65fdbc8dca 100644 --- a/sound/soc/amd/acp/Makefile +++ b/sound/soc/amd/acp/Makefile @@ -8,6 +8,7 @@ snd-acp-pcm-objs := acp-platform.o snd-acp-i2s-objs := acp-i2s.o snd-acp-pdm-objs := acp-pdm.o +snd-acp-legacy-common-objs := acp-legacy-common.o snd-acp-pci-objs := acp-pci.o
#platform specific driver @@ -22,6 +23,7 @@ snd-acp-sof-mach-objs := acp-sof-mach.o obj-$(CONFIG_SND_SOC_AMD_ACP_PCM) += snd-acp-pcm.o obj-$(CONFIG_SND_SOC_AMD_ACP_I2S) += snd-acp-i2s.o obj-$(CONFIG_SND_SOC_AMD_ACP_PDM) += snd-acp-pdm.o +obj-$(CONFIG_SND_SOC_AMD_ACP_LEGACY_COMMON) += snd-acp-legacy-common.o obj-$(CONFIG_SND_SOC_AMD_ACP_PCI) += snd-acp-pci.o
obj-$(CONFIG_SND_AMD_ASOC_RENOIR) += snd-acp-renoir.o diff --git a/sound/soc/amd/acp/acp-legacy-common.c b/sound/soc/amd/acp/acp-legacy-common.c new file mode 100644 index 000000000000..5b7000eae693 --- /dev/null +++ b/sound/soc/amd/acp/acp-legacy-common.c @@ -0,0 +1,99 @@ +// 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) 2023 Advanced Micro Devices, Inc. +// +// Authors: Syed Saba Kareem Syed.SabaKareem@amd.com +// + +/* + * Common file to be used by amd platforms + */ + +#include "amd.h" +#include <linux/export.h> + +static int acp_power_on(struct acp_chip_info *chip) +{ + u32 val, acp_pgfsm_stat_reg, acp_pgfsm_ctrl_reg; + void __iomem *base; + + base = chip->base; + switch (chip->acp_rev) { + case ACP3X_DEV: + acp_pgfsm_stat_reg = ACP_PGFSM_STATUS; + acp_pgfsm_ctrl_reg = ACP_PGFSM_CONTROL; + break; + case ACP6X_DEV: + acp_pgfsm_stat_reg = ACP6X_PGFSM_STATUS; + acp_pgfsm_ctrl_reg = ACP6X_PGFSM_CONTROL; + break; + default: + return -EINVAL; + } + + val = readl(base + acp_pgfsm_stat_reg); + if (val == ACP_POWERED_ON) + return 0; + + if ((val & ACP_PGFSM_STATUS_MASK) != ACP_POWER_ON_IN_PROGRESS) + writel(ACP_PGFSM_CNTL_POWER_ON_MASK, base + acp_pgfsm_ctrl_reg); + + return readl_poll_timeout(base + acp_pgfsm_stat_reg, val, + !val, DELAY_US, ACP_TIMEOUT); +} + +static int acp_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); +} + +int acp_init(struct acp_chip_info *chip) +{ + int ret; + + /* power on */ + ret = acp_power_on(chip); + if (ret) { + pr_err("ACP power on failed\n"); + return ret; + } + writel(0x01, chip->base + ACP_CONTROL); + + /* Reset */ + ret = acp_reset(chip->base); + if (ret) { + pr_err("ACP reset failed\n"); + return ret; + } + return 0; +} +EXPORT_SYMBOL_NS_GPL(acp_init, SND_SOC_ACP_COMMON); + +int acp_deinit(void __iomem *base) +{ + int ret; + + /* Reset */ + ret = acp_reset(base); + if (ret) + return ret; + + writel(0, base + ACP_CONTROL); + return 0; +} +EXPORT_SYMBOL_NS_GPL(acp_deinit, SND_SOC_ACP_COMMON); + +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c index 8154fbfd1229..a51cf7f32f7d 100644 --- a/sound/soc/amd/acp/acp-pci.c +++ b/sound/soc/amd/acp/acp-pci.c @@ -106,6 +106,7 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id goto unregister_dmic_dev; }
+ acp_init(chip); res = devm_kcalloc(&pci->dev, num_res, sizeof(struct resource), GFP_KERNEL); if (!res) { ret = -ENOMEM; @@ -154,10 +155,17 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id
static void acp_pci_remove(struct pci_dev *pci) { + struct acp_chip_info *chip; + int ret; + + chip = pci_get_drvdata(pci); if (dmic_dev) platform_device_unregister(dmic_dev); if (pdev) platform_device_unregister(pdev); + ret = acp_deinit(chip->base); + if (ret) + dev_err(&pci->dev, "ACP de-init failed\n"); }
/* PCI IDs */ @@ -177,4 +185,5 @@ static struct pci_driver snd_amd_acp_pci_driver = { module_pci_driver(snd_amd_acp_pci_driver);
MODULE_LICENSE("Dual BSD/GPL"); +MODULE_IMPORT_NS(SND_SOC_ACP_COMMON); MODULE_ALIAS(DRV_NAME); diff --git a/sound/soc/amd/acp/acp-rembrandt.c b/sound/soc/amd/acp/acp-rembrandt.c index 1b997837c7d8..59b1653b8479 100644 --- a/sound/soc/amd/acp/acp-rembrandt.c +++ b/sound/soc/amd/acp/acp-rembrandt.c @@ -24,26 +24,6 @@
#define DRV_NAME "acp_asoc_rembrandt"
-#define ACP6X_PGFSM_CONTROL 0x1024 -#define ACP6X_PGFSM_STATUS 0x1028 - -#define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK 0x00010001 - -#define ACP_PGFSM_CNTL_POWER_ON_MASK 0x01 -#define ACP_PGFSM_CNTL_POWER_OFF_MASK 0x00 -#define ACP_PGFSM_STATUS_MASK 0x03 -#define ACP_POWERED_ON 0x00 -#define ACP_POWER_ON_IN_PROGRESS 0x01 -#define ACP_POWERED_OFF 0x02 -#define ACP_POWER_OFF_IN_PROGRESS 0x03 - -#define ACP_ERROR_MASK 0x20000000 -#define ACP_EXT_INTR_STAT_CLEAR_MASK 0xFFFFFFFF - - -static int rmb_acp_init(void __iomem *base); -static int rmb_acp_deinit(void __iomem *base); - static struct acp_resource rsrc = { .offset = 0, .no_of_ctrls = 2, @@ -180,54 +160,6 @@ static struct snd_soc_dai_driver acp_rmb_dai[] = { }, };
-static int acp6x_power_on(void __iomem *base) -{ - u32 val; - int timeout; - - val = readl(base + ACP6X_PGFSM_STATUS); - - if (val == ACP_POWERED_ON) - return 0; - - if ((val & ACP_PGFSM_STATUS_MASK) != - ACP_POWER_ON_IN_PROGRESS) - writel(ACP_PGFSM_CNTL_POWER_ON_MASK, - base + ACP6X_PGFSM_CONTROL); - timeout = 0; - while (++timeout < 500) { - val = readl(base + ACP6X_PGFSM_STATUS); - if (!val) - return 0; - udelay(1); - } - return -ETIMEDOUT; -} - -static int acp6x_reset(void __iomem *base) -{ - u32 val; - int timeout; - - writel(1, base + ACP_SOFT_RESET); - timeout = 0; - while (++timeout < 500) { - val = readl(base + ACP_SOFT_RESET); - if (val & ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK) - break; - cpu_relax(); - } - writel(0, base + ACP_SOFT_RESET); - timeout = 0; - while (++timeout < 500) { - val = readl(base + ACP_SOFT_RESET); - if (!val) - return 0; - cpu_relax(); - } - return -ETIMEDOUT; -} - static void acp6x_enable_interrupts(struct acp_dev_data *adata) { struct acp_resource *rsrc = adata->rsrc; @@ -248,43 +180,6 @@ static void acp6x_disable_interrupts(struct acp_dev_data *adata) writel(0x00, ACP_EXTERNAL_INTR_ENB(adata)); }
-static int rmb_acp_init(void __iomem *base) -{ - int ret; - - /* power on */ - ret = acp6x_power_on(base); - if (ret) { - pr_err("ACP power on failed\n"); - return ret; - } - writel(0x01, base + ACP_CONTROL); - - /* Reset */ - ret = acp6x_reset(base); - if (ret) { - pr_err("ACP reset failed\n"); - return ret; - } - - return 0; -} - -static int rmb_acp_deinit(void __iomem *base) -{ - int ret = 0; - - /* Reset */ - ret = acp6x_reset(base); - if (ret) { - pr_err("ACP reset failed\n"); - return ret; - } - - writel(0x00, base + ACP_CONTROL); - return 0; -} - static int rembrandt_audio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -303,8 +198,6 @@ static int rembrandt_audio_probe(struct platform_device *pdev) return -ENODEV; }
- rmb_acp_init(chip->base); - adata = devm_kzalloc(dev, sizeof(struct acp_dev_data), GFP_KERNEL); if (!adata) return -ENOMEM; @@ -345,9 +238,6 @@ static void rembrandt_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 = dev_get_platdata(dev); - - rmb_acp_deinit(chip->base);
acp6x_disable_interrupts(adata); acp_platform_unregister(dev); diff --git a/sound/soc/amd/acp/acp-renoir.c b/sound/soc/amd/acp/acp-renoir.c index f188365fe214..a73fd70171c1 100644 --- a/sound/soc/amd/acp/acp-renoir.c +++ b/sound/soc/amd/acp/acp-renoir.c @@ -25,20 +25,6 @@
#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, @@ -154,38 +140,6 @@ static struct snd_soc_dai_driver acp_renoir_dai[] = { }, };
-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_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; @@ -206,37 +160,6 @@ static void acp3x_disable_interrupts(struct acp_dev_data *adata) 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); - return 0; -} static int renoir_audio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -256,12 +179,6 @@ static int renoir_audio_probe(struct platform_device *pdev) 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; @@ -300,17 +217,8 @@ static void 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); }
diff --git a/sound/soc/amd/acp/amd.h b/sound/soc/amd/acp/amd.h index 5f2119f42271..83c9a3ba8584 100644 --- a/sound/soc/amd/acp/amd.h +++ b/sound/soc/amd/acp/amd.h @@ -92,6 +92,25 @@ #define SLOT_WIDTH_24 0x18 #define SLOT_WIDTH_32 0x20
+#define ACP6X_PGFSM_CONTROL 0x1024 +#define ACP6X_PGFSM_STATUS 0x1028 + +#define ACP_SOFT_RST_DONE_MASK 0x00010001 + +#define ACP_PGFSM_CNTL_POWER_ON_MASK 0x01 +#define ACP_PGFSM_CNTL_POWER_OFF_MASK 0x00 +#define ACP_PGFSM_STATUS_MASK 0x03 +#define ACP_POWERED_ON 0x00 +#define ACP_POWER_ON_IN_PROGRESS 0x01 +#define ACP_POWERED_OFF 0x02 +#define ACP_POWER_OFF_IN_PROGRESS 0x03 + +#define ACP_ERROR_MASK 0x20000000 +#define ACP_EXT_INTR_STAT_CLEAR_MASK 0xffffffff + +#define ACP_TIMEOUT 500 +#define DELAY_US 5 + struct acp_chip_info { char *name; /* Platform name */ unsigned int acp_rev; /* ACP Revision id */ @@ -168,6 +187,8 @@ int acp_platform_unregister(struct device *dev);
int acp_machine_select(struct acp_dev_data *adata);
+int acp_init(struct acp_chip_info *chip); +int acp_deinit(void __iomem *base); /* Machine configuration */ int snd_amd_acp_find_config(struct pci_dev *pci);