intel-ish-hid/ishtp/ishtp-dev.h

146 struct ishtp_device {  struct
147 	struct device *devc;	/* pointer to lowest device */
148 	struct pci_dev *pdev;	/* PCI device to get device ids */
149 	struct ishtp_driver_data *driver_data; /* pointer to driver-specific data */
152 	wait_queue_head_t suspend_wait;
153 	bool suspend_flag;	/* Suspend is active */
156 	wait_queue_head_t resume_wait;
157 	bool resume_flag;	/*Resume is active */
163 	spinlock_t device_lock;
165 	bool recvd_hw_ready;
166 	struct hbm_version version;
167 	int transfer_path; /* Choice of transfer path: IPC or DMA */
170 	struct work_struct work_fw_loader;
172 	wait_queue_head_t wait_loader_recvd_msg;
174 	bool fw_loader_received;
176 	void *fw_loader_rx_buf;
178 	int fw_loader_rx_size;
181 	enum ishtp_dev_state dev_state;
182 	enum ishtp_hbm_state hbm_state;
185 	struct ishtp_cl_rb read_list;
186 	spinlock_t read_list_spinlock;
189 	struct list_head cl_list;
190 	spinlock_t cl_list_lock;
191 	long open_handle_count;
194 	struct list_head device_list;
195 	spinlock_t device_list_lock;
198 	wait_queue_head_t wait_hw_ready;
199 	wait_queue_head_t wait_hbm_recvd_msg;
202 	unsigned char rd_msg_fifo[RD_INT_FIFO_SIZE * IPC_PAYLOAD_SIZE];
203 	unsigned int rd_msg_fifo_head, rd_msg_fifo_tail;
204 	spinlock_t rd_msg_spinlock;
205 	struct work_struct bh_hbm_work;
208 	struct list_head wr_processing_list, wr_free_list;
210 	spinlock_t wr_processing_spinlock;
212 	struct ishtp_fw_client *fw_clients; /*Note:memory has to be allocated*/
215 	uint8_t fw_clients_num;
216 	uint8_t fw_client_presentation_num;
217 	uint8_t fw_client_index;
218 	spinlock_t fw_clients_lock;
221 	int ishtp_host_dma_enabled;
222 	void *ishtp_host_dma_tx_buf;
223 	unsigned int ishtp_host_dma_tx_buf_size;
224 	uint64_t ishtp_host_dma_tx_buf_phys;
225 	int ishtp_dma_num_slots;
228 	uint8_t *ishtp_dma_tx_map;
229 	spinlock_t ishtp_dma_tx_lock;
232 	void *ishtp_host_dma_rx_buf;
233 	unsigned int ishtp_host_dma_rx_buf_size;
234 	uint64_t ishtp_host_dma_rx_buf_phys;
259 static inline int ish_ipc_reset(struct ishtp_device *dev)  in ish_ipc_reset()  argument