ASoC: SOF: amd: add support for acp7.0 based platform

Add SOF support for ACP7.0 version based platform.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://patch.msgid.link/20240823053739.465187-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/amd/Kconfig

@@ -88,4 +88,14 @@ config SND_SOC_SOF_AMD_ACP63
 	  AMD ACP6.3 version based platforms.
 	  Say Y if you want to enable SOF on ACP6.3 based platform.
 	  If unsure select "N".
+
+config SND_SOC_SOF_AMD_ACP70
+	tristate "SOF support for ACP7.0 platform"
+	depends on SND_SOC_SOF_PCI
+	select SND_SOC_SOF_AMD_COMMON
+	help
+	  Select this option for SOF support on
+	  AMD ACP7.0 version based platforms.
+	  Say Y if you want to enable SOF on ACP7.0 based platform.
+
 endif

sound/soc/sof/amd/Makefile

@@ -2,17 +2,19 @@
 # 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, 2023 Advanced Micro Devices, Inc. All rights reserved.
+# Copyright(c) 2021, 2023, 2024 Advanced Micro Devices, Inc. All rights reserved.
 
 snd-sof-amd-acp-y := acp.o acp-loader.o acp-ipc.o acp-pcm.o acp-stream.o acp-trace.o acp-common.o
 snd-sof-amd-acp-$(CONFIG_SND_SOC_SOF_ACP_PROBES) += acp-probes.o
 snd-sof-amd-renoir-y := pci-rn.o renoir.o
 snd-sof-amd-rembrandt-y := pci-rmb.o rembrandt.o
 snd-sof-amd-vangogh-y := pci-vangogh.o vangogh.o
 snd-sof-amd-acp63-y := pci-acp63.o acp63.o
+snd-sof-amd-acp70-y := pci-acp70.o acp70.o
 
 obj-$(CONFIG_SND_SOC_SOF_AMD_COMMON) += snd-sof-amd-acp.o
 obj-$(CONFIG_SND_SOC_SOF_AMD_RENOIR) += snd-sof-amd-renoir.o
 obj-$(CONFIG_SND_SOC_SOF_AMD_REMBRANDT) += snd-sof-amd-rembrandt.o
 obj-$(CONFIG_SND_SOC_SOF_AMD_VANGOGH) += snd-sof-amd-vangogh.o
 obj-$(CONFIG_SND_SOC_SOF_AMD_ACP63) += snd-sof-amd-acp63.o
+obj-$(CONFIG_SND_SOC_SOF_AMD_ACP70) += snd-sof-amd-acp70.o

sound/soc/sof/amd/acp-dsp-offset.h

@@ -3,7 +3,7 @@
  * 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, 2023 Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright(c) 2021, 2023, 2024 Advanced Micro Devices, Inc. All rights reserved.
  *
  * Author: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
  */
@@ -23,6 +23,17 @@
 #define ACP_DMA_CH_STS				0xE8
 #define ACP_DMA_CH_GROUP			0xEC
 #define ACP_DMA_CH_RST_STS			0xF0
+#define ACP70_DMA_CNTL_0			0x00
+#define ACP70_DMA_DSCR_STRT_IDX_0		0x28
+#define ACP70_DMA_DSCR_CNT_0			0x50
+#define ACP70_DMA_PRIO_0			0x78
+#define ACP70_DMA_CUR_DSCR_0			0xA0
+#define ACP70_DMA_ERR_STS_0			0xF0
+#define ACP70_DMA_DESC_BASE_ADDR		0x118
+#define ACP70_DMA_DESC_MAX_NUM_DSCR		0x11C
+#define ACP70_DMA_CH_STS			0x120
+#define ACP70_DMA_CH_GROUP			0x124
+#define ACP70_DMA_CH_RST_STS			0x128
 
 /* Registers from ACP_DSP_0 block */
 #define ACP_DSP0_RUNSTALL			0x414
@@ -56,11 +67,13 @@
 #define ACP3X_PGFSM_BASE			0x141C
 #define ACP5X_PGFSM_BASE			0x1424
 #define ACP6X_PGFSM_BASE                        0x1024
+#define ACP70_PGFSM_BASE                        ACP6X_PGFSM_BASE
 #define PGFSM_CONTROL_OFFSET			0x0
 #define PGFSM_STATUS_OFFSET			0x4
 #define ACP3X_CLKMUX_SEL			0x1424
 #define ACP5X_CLKMUX_SEL			0x142C
 #define ACP6X_CLKMUX_SEL			0x102C
+#define ACP70_CLKMUX_SEL			ACP6X_CLKMUX_SEL
 
 /* Registers from ACP_INTR block */
 #define ACP3X_EXT_INTR_STAT			0x1808
@@ -69,22 +82,30 @@
 #define ACP6X_EXTERNAL_INTR_CNTL		0x1A04
 #define ACP6X_EXT_INTR_STAT                     0x1A0C
 #define ACP6X_EXT_INTR_STAT1			0x1A10
+#define ACP70_EXTERNAL_INTR_ENB			ACP6X_EXTERNAL_INTR_ENB
+#define ACP70_EXTERNAL_INTR_CNTL		ACP6X_EXTERNAL_INTR_CNTL
+#define ACP70_EXT_INTR_STAT			ACP6X_EXT_INTR_STAT
+#define ACP70_EXT_INTR_STAT1			ACP6X_EXT_INTR_STAT1
 
 #define ACP3X_DSP_SW_INTR_BASE			0x1814
 #define ACP5X_DSP_SW_INTR_BASE			0x1814
 #define ACP6X_DSP_SW_INTR_BASE                  0x1808
+#define ACP70_DSP_SW_INTR_BASE			ACP6X_DSP_SW_INTR_BASE
 #define DSP_SW_INTR_CNTL_OFFSET			0x0
 #define DSP_SW_INTR_STAT_OFFSET			0x4
 #define DSP_SW_INTR_TRIG_OFFSET			0x8
 #define ACP3X_ERROR_STATUS			0x18C4
 #define ACP6X_ERROR_STATUS			0x1A4C
+#define ACP70_ERROR_STATUS			ACP6X_ERROR_STATUS
 #define ACP3X_AXI2DAGB_SEM_0			0x1880
 #define ACP5X_AXI2DAGB_SEM_0			0x1884
 #define ACP6X_AXI2DAGB_SEM_0			0x1874
+#define ACP70_AXI2DAGB_SEM_0			ACP6X_AXI2DAGB_SEM_0
 
 /* ACP common registers to report errors related to I2S & SoundWire interfaces */
 #define ACP3X_SW_I2S_ERROR_REASON		0x18C8
 #define ACP6X_SW0_I2S_ERROR_REASON		0x18B4
+#define ACP7X_SW0_I2S_ERROR_REASON		ACP6X_SW0_I2S_ERROR_REASON
 #define ACP_SW1_I2S_ERROR_REASON		0x1A50
 
 /* Registers from ACP_SHA block */
@@ -101,6 +122,7 @@
 
 #define ACP_SCRATCH_REG_0			0x10000
 #define ACP6X_DSP_FUSION_RUNSTALL		0x0644
+#define ACP70_DSP_FUSION_RUNSTALL		ACP6X_DSP_FUSION_RUNSTALL
 
 /* Cache window registers */
 #define ACP_DSP0_CACHE_OFFSET0			0x0420

sound/soc/sof/amd/acp.c

@@ -64,13 +64,24 @@ static void init_dma_descriptor(struct acp_dev_data *adata)
 {
 	struct snd_sof_dev *sdev = adata->dev;
 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
+	struct acp_dev_data *acp_data = sdev->pdata->hw_pdata;
 	unsigned int addr;
+	unsigned int acp_dma_desc_base_addr, acp_dma_desc_max_num_dscr;
 
 	addr = desc->sram_pte_offset + sdev->debug_box.offset +
 	       offsetof(struct scratch_reg_conf, dma_desc);
 
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_DESC_BASE_ADDR, addr);
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_DESC_MAX_NUM_DSCR, ACP_MAX_DESC_CNT);
+	switch (acp_data->pci_rev) {
+	case ACP70_PCI_ID:
+		acp_dma_desc_base_addr = ACP70_DMA_DESC_BASE_ADDR;
+		acp_dma_desc_max_num_dscr = ACP70_DMA_DESC_MAX_NUM_DSCR;
+		break;
+	default:
+		acp_dma_desc_base_addr = ACP_DMA_DESC_BASE_ADDR;
+		acp_dma_desc_max_num_dscr = ACP_DMA_DESC_MAX_NUM_DSCR;
+	}
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, acp_dma_desc_base_addr, addr);
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, acp_dma_desc_max_num_dscr, ACP_MAX_DESC_CNT);
 }
 
 static void configure_dma_descriptor(struct acp_dev_data *adata, unsigned short idx,
@@ -92,29 +103,51 @@ static int config_dma_channel(struct acp_dev_data *adata, unsigned int ch,
 			      unsigned int idx, unsigned int dscr_count)
 {
 	struct snd_sof_dev *sdev = adata->dev;
+	struct acp_dev_data *acp_data = sdev->pdata->hw_pdata;
 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
 	unsigned int val, status;
+	unsigned int acp_dma_cntl_0, acp_dma_ch_rst_sts, acp_dma_dscr_err_sts_0;
+	unsigned int acp_dma_dscr_cnt_0, acp_dma_prio_0, acp_dma_dscr_strt_idx_0;
 	int ret;
 
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_CNTL_0 + ch * sizeof(u32),
+	switch (acp_data->pci_rev) {
+	case ACP70_PCI_ID:
+		acp_dma_cntl_0 = ACP70_DMA_CNTL_0;
+		acp_dma_ch_rst_sts = ACP70_DMA_CH_RST_STS;
+		acp_dma_dscr_err_sts_0 = ACP70_DMA_ERR_STS_0;
+		acp_dma_dscr_cnt_0 = ACP70_DMA_DSCR_CNT_0;
+		acp_dma_prio_0 = ACP70_DMA_PRIO_0;
+		acp_dma_dscr_strt_idx_0 = ACP70_DMA_DSCR_STRT_IDX_0;
+		break;
+	default:
+		acp_dma_cntl_0 = ACP_DMA_CNTL_0;
+		acp_dma_ch_rst_sts = ACP_DMA_CH_RST_STS;
+		acp_dma_dscr_err_sts_0 = ACP_DMA_ERR_STS_0;
+		acp_dma_dscr_cnt_0 = ACP_DMA_DSCR_CNT_0;
+		acp_dma_prio_0 = ACP_DMA_PRIO_0;
+		acp_dma_dscr_strt_idx_0 = ACP_DMA_DSCR_STRT_IDX_0;
+	}
+
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, acp_dma_cntl_0 + ch * sizeof(u32),
 			  ACP_DMA_CH_RST | ACP_DMA_CH_GRACEFUL_RST_EN);
 
-	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_DMA_CH_RST_STS, val,
+	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, acp_dma_ch_rst_sts, val,
 					    val & (1 << ch), ACP_REG_POLL_INTERVAL,
 					    ACP_REG_POLL_TIMEOUT_US);
 	if (ret < 0) {
 		status = snd_sof_dsp_read(sdev, ACP_DSP_BAR, desc->acp_error_stat);
-		val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_DMA_ERR_STS_0 + ch * sizeof(u32));
+		val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, acp_dma_dscr_err_sts_0 +
+				       ch * sizeof(u32));
 
 		dev_err(sdev->dev, "ACP_DMA_ERR_STS :0x%x ACP_ERROR_STATUS :0x%x\n", val, status);
 		return ret;
 	}
 
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, (ACP_DMA_CNTL_0 + ch * sizeof(u32)), 0);
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_DSCR_CNT_0 + ch * sizeof(u32), dscr_count);
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_DSCR_STRT_IDX_0 + ch * sizeof(u32), idx);
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_PRIO_0 + ch * sizeof(u32), 0);
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DMA_CNTL_0 + ch * sizeof(u32), ACP_DMA_CH_RUN);
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, (acp_dma_cntl_0 + ch * sizeof(u32)), 0);
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, acp_dma_dscr_cnt_0 + ch * sizeof(u32), dscr_count);
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, acp_dma_dscr_strt_idx_0 + ch * sizeof(u32), idx);
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, acp_dma_prio_0 + ch * sizeof(u32), 0);
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, acp_dma_cntl_0 + ch * sizeof(u32), ACP_DMA_CH_RUN);
 
 	return ret;
 }
@@ -453,6 +486,10 @@ static int acp_power_on(struct snd_sof_dev *sdev)
 		acp_pgfsm_status_mask = ACP6X_PGFSM_STATUS_MASK;
 		acp_pgfsm_cntl_mask = ACP6X_PGFSM_CNTL_POWER_ON_MASK;
 		break;
+	case ACP70_PCI_ID:
+		acp_pgfsm_status_mask = ACP70_PGFSM_STATUS_MASK;
+		acp_pgfsm_cntl_mask = ACP70_PGFSM_CNTL_POWER_ON_MASK;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -561,8 +598,11 @@ static bool check_acp_sdw_enable_status(struct snd_sof_dev *sdev)
 
 int amd_sof_acp_suspend(struct snd_sof_dev *sdev, u32 target_state)
 {
+	struct acp_dev_data *acp_data;
 	int ret;
+	bool enable = false;
 
+	acp_data = sdev->pdata->hw_pdata;
 	/* When acp_reset() function is invoked, it will apply ACP SOFT reset and
 	 * DSP reset. ACP Soft reset sequence will cause all ACP IP registers will
 	 * be reset to default values which will break the ClockStop Mode functionality.
@@ -577,8 +617,9 @@ int amd_sof_acp_suspend(struct snd_sof_dev *sdev, u32 target_state)
 		dev_err(sdev->dev, "ACP Reset failed\n");
 		return ret;
 	}
-
-	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CONTROL, 0x00);
+	if (acp_data->pci_rev == ACP70_PCI_ID)
+		enable = true;
+	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CONTROL, enable);
 
 	return 0;
 }

sound/soc/sof/amd/acp.h

@@ -29,6 +29,8 @@
 #define ACP3X_PGFSM_STATUS_MASK			0x03
 #define ACP6X_PGFSM_CNTL_POWER_ON_MASK		0x07
 #define ACP6X_PGFSM_STATUS_MASK			0x0F
+#define ACP70_PGFSM_CNTL_POWER_ON_MASK		0x1F
+#define ACP70_PGFSM_STATUS_MASK			0xFF
 
 #define ACP_POWERED_ON				0x00
 #define ACP_ASSERT_RESET			0x01
@@ -42,6 +44,7 @@
 #define ACP3X_SRAM_PTE_OFFSET			0x02050000
 #define ACP5X_SRAM_PTE_OFFSET			0x02050000
 #define ACP6X_SRAM_PTE_OFFSET			0x03800000
+#define ACP70_SRAM_PTE_OFFSET			ACP6X_SRAM_PTE_OFFSET
 #define PAGE_SIZE_4K_ENABLE			0x2
 #define ACP_PAGE_SIZE				0x1000
 #define ACP_DMA_CH_RUN				0x02
@@ -63,17 +66,20 @@
 #define ACP_DRAM_BASE_ADDRESS			0x01000000
 #define ACP_DRAM_PAGE_COUNT			128
 #define ACP_SRAM_BASE_ADDRESS			0x3806000
+#define ACP7X_SRAM_BASE_ADDRESS			0x380C000
 #define ACP_DSP_TO_HOST_IRQ			0x04
 
 #define ACP_RN_PCI_ID				0x01
 #define ACP_VANGOGH_PCI_ID			0x50
 #define ACP_RMB_PCI_ID				0x6F
 #define ACP63_PCI_ID				0x63
+#define ACP70_PCI_ID				0x70
 
 #define HOST_BRIDGE_CZN				0x1630
 #define HOST_BRIDGE_VGH				0x1645
 #define HOST_BRIDGE_RMB				0x14B5
 #define HOST_BRIDGE_ACP63			0x14E8
+#define HOST_BRIDGE_ACP70			0x1507
 #define ACP_SHA_STAT				0x8000
 #define ACP_PSP_TIMEOUT_US			1000000
 #define ACP_EXT_INTR_ERROR_STAT			0x20000000
@@ -326,6 +332,9 @@ int sof_rembrandt_ops_init(struct snd_sof_dev *sdev);
 extern struct snd_sof_dsp_ops sof_acp63_ops;
 int sof_acp63_ops_init(struct snd_sof_dev *sdev);
 
+extern struct snd_sof_dsp_ops sof_acp70_ops;
+int sof_acp70_ops_init(struct snd_sof_dev *sdev);
+
 struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev);
 /* Machine configuration */
 int snd_amd_acp_find_config(struct pci_dev *pci);