Provide an option to load DSP data bin to ACP SRAM.

Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- sound/soc/sof/amd/acp-loader.c | 46 +++++++++++++++++++++++++++++----- sound/soc/sof/amd/acp.h | 10 +++++++- 2 files changed, 49 insertions(+), 7 deletions(-)

diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c index d35d47d7e311..e05eb7a86dd4 100644 --- a/sound/soc/sof/amd/acp-loader.c +++ b/sound/soc/sof/amd/acp-loader.c @@ -19,8 +19,9 @@ #include "acp-dsp-offset.h" #include "acp.h"

-#define FW_BIN 0 -#define FW_DATA_BIN 1 +#define FW_BIN 0 +#define FW_DATA_BIN 1 +#define FW_SRAM_DATA_BIN 2

#define FW_BIN_PTE_OFFSET 0x00 #define FW_DATA_BIN_PTE_OFFSET 0x08 @@ -49,7 +50,6 @@ int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_t u32 offset, void *src, size_t size) { struct pci_dev *pci = to_pci_dev(sdev->dev); - const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata); struct acp_dev_data *adata; void *dest; u32 dma_size, page_count; @@ -86,9 +86,18 @@ int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_t adata->is_dram_in_use = true; break; case SOF_FW_BLK_TYPE_SRAM: - offset = offset - desc->sram_pte_offset; - memcpy_to_scratch(sdev, offset, src, size); - return 0; + if (!adata->sram_data_buf) { + adata->sram_data_buf = dma_alloc_coherent(&pci->dev, + ACP_DEFAULT_SRAM_LENGTH, + &adata->sram_dma_addr, + GFP_ATOMIC); + if (!adata->sram_data_buf) + return -ENOMEM; + } + adata->fw_sram_data_bin_size = size + offset; + dest = adata->sram_data_buf + offset; + adata->is_sram_in_use = true; + break; default: dev_err(sdev->dev, "bad blk type 0x%x\n", blk_type); return -EINVAL; @@ -123,6 +132,10 @@ static void configure_pte_for_fw_loading(int type, int num_pages, struct acp_dev offset = adata->fw_bin_page_count * 8; addr = adata->dma_addr; break; + case FW_SRAM_DATA_BIN: + offset = (adata->fw_bin_page_count + ACP_DRAM_PAGE_COUNT) * 8; + addr = adata->sram_dma_addr; + break; default: dev_err(sdev->dev, "Invalid data type %x\n", type); return; @@ -189,6 +202,22 @@ int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev) if (ret < 0) dev_err(sdev->dev, "acp dma transfer status: %d\n", ret); } + if (adata->is_sram_in_use) { + configure_pte_for_fw_loading(FW_SRAM_DATA_BIN, ACP_SRAM_PAGE_COUNT, adata); + src_addr = ACP_SYSTEM_MEMORY_WINDOW + ACP_DEFAULT_SRAM_LENGTH + + (page_count * ACP_PAGE_SIZE); + dest_addr = ACP_SRAM_BASE_ADDRESS; + + ret = configure_and_run_dma(adata, src_addr, dest_addr, + adata->fw_sram_data_bin_size); + if (ret < 0) { + dev_err(sdev->dev, "acp dma configuration failed: %d\n", ret); + return ret; + } + ret = acp_dma_status(adata, 0); + if (ret < 0) + dev_err(sdev->dev, "acp dma transfer status: %d\n", ret); + }

if (desc->rev > 3) { /* Cache Window enable */ @@ -205,6 +234,11 @@ int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev) adata->dma_addr); adata->data_buf = NULL; } + if (adata->is_sram_in_use) { + dma_free_coherent(&pci->dev, ACP_DEFAULT_SRAM_LENGTH, adata->sram_data_buf, + adata->sram_dma_addr); + adata->sram_data_buf = NULL; + } return ret; } EXPORT_SYMBOL_NS(acp_dsp_pre_fw_run, SND_SOC_SOF_AMD_COMMON); diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h index 2d1f57e1365a..c536cfde0e44 100644 --- a/sound/soc/sof/amd/acp.h +++ b/sound/soc/sof/amd/acp.h @@ -56,7 +56,7 @@ #define ACP_IRAM_BASE_ADDRESS 0x000000 #define ACP_DRAM_BASE_ADDRESS 0x01000000 #define ACP_DRAM_PAGE_COUNT 128 - +#define ACP_SRAM_BASE_ADDRESS 0x3806000 #define ACP_DSP_TO_HOST_IRQ 0x04

#define ACP_RN_PCI_ID 0x01 @@ -88,6 +88,8 @@ #define PROBE_STATUS_BIT BIT(31)

#define ACP_FIRMWARE_SIGNATURE 0x100 +#define ACP_DEFAULT_SRAM_LENGTH 0x00080000 +#define ACP_SRAM_PAGE_COUNT 128

enum clock_source { ACP_CLOCK_96M = 0, @@ -194,13 +196,18 @@ struct acp_dev_data { struct platform_device *dmic_dev; unsigned int fw_bin_size; unsigned int fw_data_bin_size; + unsigned int fw_sram_data_bin_size; const char *fw_code_bin; const char *fw_data_bin; + const char *fw_sram_data_bin; u32 fw_bin_page_count; + u32 fw_data_bin_page_count; dma_addr_t sha_dma_addr; u8 *bin_buf; dma_addr_t dma_addr; u8 *data_buf; + dma_addr_t sram_dma_addr; + u8 *sram_data_buf; bool signed_fw_image; struct dma_descriptor dscr_info[ACP_MAX_DESC]; struct acp_dsp_stream stream_buf[ACP_MAX_STREAM]; @@ -209,6 +216,7 @@ struct acp_dev_data { struct acp_dsp_stream *probe_stream; bool enable_fw_debug; bool is_dram_in_use; + bool is_sram_in_use; };

void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes);