blob: a64a0a77dcb7733ab55f423e1de59f371ea49119 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
* Copyright(c) 2020 Intel Corporation. All rights reserved.
* Author: Cezary Rojewski <>
#include <linux/dma/dw.h>
#include <linux/irqreturn.h>
#include "messages.h"
#include "registers.h"
struct catpt_dev;
extern const struct attribute_group *catpt_attr_groups[];
void catpt_sram_init(struct resource *sram, u32 start, u32 size);
void catpt_sram_free(struct resource *sram);
struct resource *
catpt_request_region(struct resource *root, resource_size_t size);
struct catpt_ipc_msg {
union {
u32 header;
union catpt_global_msg rsp;
void *data;
size_t size;
struct catpt_ipc {
struct device *dev;
struct catpt_ipc_msg rx;
struct catpt_fw_ready config;
u32 default_timeout;
bool ready;
spinlock_t lock;
struct mutex mutex;
struct completion done_completion;
struct completion busy_completion;
void catpt_ipc_init(struct catpt_ipc *ipc, struct device *dev);
struct catpt_module_type {
bool loaded;
u32 entry_point;
u32 persistent_size;
u32 scratch_size;
/* DRAM, initial module state */
u32 state_offset;
u32 state_size;
struct list_head node;
struct catpt_spec {
struct snd_soc_acpi_mach *machines;
u8 core_id;
u32 host_dram_offset;
u32 host_iram_offset;
u32 host_shim_offset;
u32 host_dma_offset[CATPT_DMA_COUNT];
u32 host_ssp_offset[CATPT_SSP_COUNT];
u32 dram_mask;
u32 iram_mask;
u32 d3srampgd_bit;
u32 d3pgd_bit;
void (*pll_shutdown)(struct catpt_dev *cdev, bool enable);
struct catpt_dev {
struct device *dev;
struct dw_dma_chip *dmac;
struct catpt_ipc ipc;
void __iomem *pci_ba;
void __iomem *lpe_ba;
u32 lpe_base;
int irq;
const struct catpt_spec *spec;
struct completion fw_ready;
struct resource dram;
struct resource iram;
struct resource *scratch;
struct catpt_mixer_stream_info mixer;
struct catpt_module_type modules[CATPT_MODULE_COUNT];
struct catpt_ssp_device_format devfmt[CATPT_SSP_COUNT];
struct list_head stream_list;
spinlock_t list_lock;
struct mutex clk_mutex;
struct catpt_dx_context dx_ctx;
void *dxbuf_vaddr;
dma_addr_t dxbuf_paddr;
int catpt_dmac_probe(struct catpt_dev *cdev);
void catpt_dmac_remove(struct catpt_dev *cdev);
struct dma_chan *catpt_dma_request_config_chan(struct catpt_dev *cdev);
int catpt_dma_memcpy_todsp(struct catpt_dev *cdev, struct dma_chan *chan,
dma_addr_t dst_addr, dma_addr_t src_addr,
size_t size);
int catpt_dma_memcpy_fromdsp(struct catpt_dev *cdev, struct dma_chan *chan,
dma_addr_t dst_addr, dma_addr_t src_addr,
size_t size);
void lpt_dsp_pll_shutdown(struct catpt_dev *cdev, bool enable);
void wpt_dsp_pll_shutdown(struct catpt_dev *cdev, bool enable);
int catpt_dsp_power_up(struct catpt_dev *cdev);
int catpt_dsp_power_down(struct catpt_dev *cdev);
int catpt_dsp_stall(struct catpt_dev *cdev, bool stall);
void catpt_dsp_update_srampge(struct catpt_dev *cdev, struct resource *sram,
unsigned long mask);
int catpt_dsp_update_lpclock(struct catpt_dev *cdev);
irqreturn_t catpt_dsp_irq_handler(int irq, void *dev_id);
irqreturn_t catpt_dsp_irq_thread(int irq, void *dev_id);
* IPC handlers may return positive values which denote successful
* HOST <-> DSP communication yet failure to process specific request.
* Use below macro to convert returned non-zero values appropriately
#define CATPT_IPC_ERROR(err) (((err) < 0) ? (err) : -EREMOTEIO)
int catpt_dsp_send_msg_timeout(struct catpt_dev *cdev,
struct catpt_ipc_msg request,
struct catpt_ipc_msg *reply, int timeout);
int catpt_dsp_send_msg(struct catpt_dev *cdev, struct catpt_ipc_msg request,
struct catpt_ipc_msg *reply);
int catpt_first_boot_firmware(struct catpt_dev *cdev);
int catpt_boot_firmware(struct catpt_dev *cdev, bool restore);
int catpt_store_streams_context(struct catpt_dev *cdev, struct dma_chan *chan);
int catpt_store_module_states(struct catpt_dev *cdev, struct dma_chan *chan);
int catpt_store_memdumps(struct catpt_dev *cdev, struct dma_chan *chan);
int catpt_coredump(struct catpt_dev *cdev);
#include <sound/memalloc.h>
#include <uapi/sound/asound.h>
struct snd_pcm_substream;
struct catpt_stream_template;
struct catpt_stream_runtime {
struct snd_pcm_substream *substream;
struct catpt_stream_template *template;
struct catpt_stream_info info;
struct resource *persistent;
struct snd_dma_buffer pgtbl;
bool allocated;
bool prepared;
struct list_head node;
int catpt_register_plat_component(struct catpt_dev *cdev);
void catpt_stream_update_position(struct catpt_dev *cdev,
struct catpt_stream_runtime *stream,
struct catpt_notify_position *pos);
struct catpt_stream_runtime *
catpt_stream_find(struct catpt_dev *cdev, u8 stream_hw_id);
int catpt_arm_stream_templates(struct catpt_dev *cdev);