diff options
Diffstat (limited to 'sound/soc/fsl/fsl_dsp.h')
| -rw-r--r-- | sound/soc/fsl/fsl_dsp.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_dsp.h b/sound/soc/fsl/fsl_dsp.h new file mode 100644 index 000000000000..e56293096d9d --- /dev/null +++ b/sound/soc/fsl/fsl_dsp.h @@ -0,0 +1,172 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT)*/ +/* + * Copyright (C) 2017 Cadence Design Systems, Inc. + * Copyright 2018-2020 NXP + * + */ + +#ifndef FSL_DSP_H +#define FSL_DSP_H +#include <uapi/linux/mxc_dsp.h> +#include <linux/firmware/imx/ipc.h> +#include "fsl_dsp_proxy.h" +#include "fsl_dsp_platform.h" +#include "fsl_dsp_audiomix.h" + + +#define FSL_DSP_COMP_NAME "fsl-dsp-component" + +typedef void (*memcpy_func) (void *dest, const void *src, size_t n); +typedef void (*memset_func) (void *s, int c, size_t n); + +/* ...maximal number of IPC clients per proxy */ +#define XF_CFG_MAX_IPC_CLIENTS (1 << 4) + +enum { + DSP_IMX8QXP_TYPE = 0, + DSP_IMX8QM_TYPE, + DSP_IMX8MP_TYPE, +}; + +/* ...proxy client data */ +struct xf_client { + /* ...pointer to proxy interface */ + struct xf_proxy *proxy; + + /* ...allocated proxy client id */ + u32 id; + + /* ...pending response queue */ + struct xf_msg_queue queue; + /* ...response waiting queue */ + wait_queue_head_t wait; + + /* ...virtual memory mapping */ + unsigned long vm_start; + /* ...counter of memory mappings (no real use of it yet - tbd) */ + atomic_t vm_use; + + /* ...global structure pointer */ + void *global; + struct xf_message m; + + struct snd_compr_stream *cstream; + + struct work_struct work; + struct completion compr_complete; + + int input_bytes; + int consume_bytes; + int offset; + atomic_t buffer_cnt; + int ping_pong_offset; +}; + +union xf_client_link { + /* ...index of next client in free list */ + u32 next; + + /* ...reference to proxy data for allocated client */ + struct xf_client *client; +}; + +struct fsl_dsp { + struct device *dev; + const char *fw_name; + const char *audio_iface; + void __iomem *regs; + void __iomem *mu_base_virtaddr; + struct imx_sc_ipc *dsp_ipcHandle; + struct imx_audiomix_dsp_data *audiomix; + unsigned int dsp_mu_id; + int dsp_mu_init; + int dsp_is_lpa; + atomic_long_t refcnt; + unsigned long paddr; + unsigned long dram0; + unsigned long dram1; + unsigned long iram; + unsigned long sram; + void *sdram_vir_addr; + unsigned long sdram_phys_addr; + int sdram_reserved_size; + void *dram_reserved_vir_addr; + unsigned long dram_reserved_phys_addr; + int dram_reserved_size; + void *ocram_vir_addr; + unsigned long ocram_phys_addr; + int ocram_reserved_size; + void *msg_buf_virt; + dma_addr_t msg_buf_phys; + int msg_buf_size; + void *scratch_buf_virt; + dma_addr_t scratch_buf_phys; + int scratch_buf_size; + void *dsp_config_virt; + dma_addr_t dsp_config_phys; + int dsp_config_size; + int dsp_board_type; + unsigned int fixup_offset; + + /* ...proxy data structures */ + struct xf_proxy proxy; + + /* ...mutex lock */ + struct mutex dsp_mutex; + + struct dsp_data dsp_data; + + /* ...global clients pool (item[0] serves as list terminator) */ + union xf_client_link xf_client_map[XF_CFG_MAX_IPC_CLIENTS]; + + struct clk *esai_ipg_clk; + struct clk *esai_mclk; + struct clk *asrc_mem_clk; + struct clk *asrc_ipg_clk; + struct clk *asrck_clk[4]; + struct clk *dsp_ocrama_clk; + struct clk *dsp_root_clk; + struct clk *audio_root_clk; + struct clk *audio_axi_clk; + struct clk *debug_clk; + struct clk *mu2_clk; + struct clk *sdma_root_clk; + struct clk *sai_ipg_clk; + struct clk *sai_mclk; + struct clk *uart_ipg_clk; + struct clk *uart_per_clk; + + struct device **pd_dev; + struct device_link **pd_dev_link; + int num_domains; +}; + +#define IRAM_OFFSET 0x10000 +#define IRAM_SIZE 2048 + +#define DRAM0_OFFSET 0x0 +#define DRAM0_SIZE 0x8000 + +#define DRAM1_OFFSET 0x8000 +#define DRAM1_SIZE 0x8000 + +#define SYSRAM_OFFSET 0x18000 +#define SYSRAM_SIZE 0x40000 + +#define SYSROM_OFFSET 0x58000 +#define SYSROM_SIZE 0x30000 + +#define MSG_BUF_SIZE 8192 +#define INPUT_BUF_SIZE 4096 +#define OUTPUT_BUF_SIZE 16384 +#define DSP_CONFIG_SIZE 8192 + +void *memcpy_dsp(void *dest, const void *src, size_t count); +void *memset_dsp(void *dest, int c, size_t count); +struct xf_client *xf_client_lookup(struct fsl_dsp *dsp_priv, u32 id); +struct xf_client *xf_client_alloc(struct fsl_dsp *dsp_priv); + +int fsl_dsp_open_func(struct fsl_dsp *dsp_priv, struct xf_client *client); +int fsl_dsp_close_func(struct xf_client *client); + +#endif |