1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #ifndef __SOC_SOF_CLIENT_H 4 #define __SOC_SOF_CLIENT_H 5 6 #include <linux/auxiliary_bus.h> 7 #include <linux/device.h> 8 #include <linux/list.h> 9 #include <sound/sof.h> 10 11 struct sof_ipc_fw_version; 12 struct sof_ipc_cmd_hdr; 13 struct snd_sof_dev; 14 struct dentry; 15 16 /** 17 * struct sof_client_dev - SOF client device 18 * @auxdev: auxiliary device 19 * @sdev: pointer to SOF core device struct 20 * @list: item in SOF core client dev list 21 * @data: device specific data 22 */ 23 struct sof_client_dev { 24 struct auxiliary_device auxdev; 25 struct snd_sof_dev *sdev; 26 struct list_head list; 27 void *data; 28 }; 29 30 #define sof_client_dev_to_sof_dev(cdev) ((cdev)->sdev) 31 32 #define auxiliary_dev_to_sof_client_dev(auxiliary_dev) \ 33 container_of(auxiliary_dev, struct sof_client_dev, auxdev) 34 35 #define dev_to_sof_client_dev(dev) \ 36 container_of(to_auxiliary_dev(dev), struct sof_client_dev, auxdev) 37 38 int sof_client_ipc_tx_message(struct sof_client_dev *cdev, void *ipc_msg, 39 void *reply_data, size_t reply_bytes); 40 41 struct dentry *sof_client_get_debugfs_root(struct sof_client_dev *cdev); 42 struct device *sof_client_get_dma_dev(struct sof_client_dev *cdev); 43 const struct sof_ipc_fw_version *sof_client_get_fw_version(struct sof_client_dev *cdev); 44 size_t sof_client_get_ipc_max_payload_size(struct sof_client_dev *cdev); 45 enum sof_ipc_type sof_client_get_ipc_type(struct sof_client_dev *cdev); 46 47 /* module refcount management of SOF core */ 48 int sof_client_core_module_get(struct sof_client_dev *cdev); 49 void sof_client_core_module_put(struct sof_client_dev *cdev); 50 51 /* IPC notification */ 52 typedef void (*sof_client_event_callback)(struct sof_client_dev *cdev, void *msg_buf); 53 54 int sof_client_register_ipc_rx_handler(struct sof_client_dev *cdev, 55 u32 ipc_msg_type, 56 sof_client_event_callback callback); 57 void sof_client_unregister_ipc_rx_handler(struct sof_client_dev *cdev, 58 u32 ipc_msg_type); 59 60 /* DSP state notification and query */ 61 typedef void (*sof_client_fw_state_callback)(struct sof_client_dev *cdev, 62 enum sof_fw_state state); 63 64 int sof_client_register_fw_state_handler(struct sof_client_dev *cdev, 65 sof_client_fw_state_callback callback); 66 void sof_client_unregister_fw_state_handler(struct sof_client_dev *cdev); 67 enum sof_fw_state sof_client_get_fw_state(struct sof_client_dev *cdev); 68 69 #endif /* __SOC_SOF_CLIENT_H */ 70