xref: /OK3568_Linux_fs/kernel/drivers/mmc/host/mmc_hsq.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef LINUX_MMC_HSQ_H
3*4882a593Smuzhiyun #define LINUX_MMC_HSQ_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun struct hsq_slot {
6*4882a593Smuzhiyun 	struct mmc_request *mrq;
7*4882a593Smuzhiyun };
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun struct mmc_hsq {
10*4882a593Smuzhiyun 	struct mmc_host *mmc;
11*4882a593Smuzhiyun 	struct mmc_request *mrq;
12*4882a593Smuzhiyun 	wait_queue_head_t wait_queue;
13*4882a593Smuzhiyun 	struct hsq_slot *slot;
14*4882a593Smuzhiyun 	spinlock_t lock;
15*4882a593Smuzhiyun 	struct work_struct retry_work;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	int next_tag;
18*4882a593Smuzhiyun 	int num_slots;
19*4882a593Smuzhiyun 	int qcnt;
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	bool enabled;
22*4882a593Smuzhiyun 	bool waiting_for_idle;
23*4882a593Smuzhiyun 	bool recovery_halt;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun int mmc_hsq_init(struct mmc_hsq *hsq, struct mmc_host *mmc);
27*4882a593Smuzhiyun void mmc_hsq_suspend(struct mmc_host *mmc);
28*4882a593Smuzhiyun int mmc_hsq_resume(struct mmc_host *mmc);
29*4882a593Smuzhiyun bool mmc_hsq_finalize_request(struct mmc_host *mmc, struct mmc_request *mrq);
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #endif
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