4  * MMC software queue support based on command queue interfaces
10 #include <linux/mmc/card.h>
11 #include <linux/mmc/host.h>
19 	struct mmc_host *mmc = hsq->mmc;  in mmc_hsq_retry_handler()  local
21 	mmc->ops->request(mmc, hsq->mrq);  in mmc_hsq_retry_handler()
26 	struct mmc_host *mmc = hsq->mmc;  in mmc_hsq_modify_threshold()  local
30 	mmc->hsq_depth = HSQ_NORMAL_DEPTH;  in mmc_hsq_modify_threshold()
37 			mmc->hsq_depth = HSQ_PERFORMANCE_DEPTH;  in mmc_hsq_modify_threshold()
45 	struct mmc_host *mmc = hsq->mmc;  in mmc_hsq_pump_requests()  local
72 	if (mmc->ops->request_atomic)  in mmc_hsq_pump_requests()
73 		ret = mmc->ops->request_atomic(mmc, hsq->mrq);  in mmc_hsq_pump_requests()
75 		mmc->ops->request(mmc, hsq->mrq);  in mmc_hsq_pump_requests()
147  * @mmc: the host controller
153 bool mmc_hsq_finalize_request(struct mmc_host *mmc, struct mmc_request *mrq)  in mmc_hsq_finalize_request()  argument
155 	struct mmc_hsq *hsq = mmc->cqe_private;  in mmc_hsq_finalize_request()
172 	mmc_cqe_request_done(mmc, hsq->mrq);  in mmc_hsq_finalize_request()
180 static void mmc_hsq_recovery_start(struct mmc_host *mmc)  in mmc_hsq_recovery_start()  argument
182 	struct mmc_hsq *hsq = mmc->cqe_private;  in mmc_hsq_recovery_start()
192 static void mmc_hsq_recovery_finish(struct mmc_host *mmc)  in mmc_hsq_recovery_finish()  argument
194 	struct mmc_hsq *hsq = mmc->cqe_private;  in mmc_hsq_recovery_finish()
212 static int mmc_hsq_request(struct mmc_host *mmc, struct mmc_request *mrq)  in mmc_hsq_request()  argument
214 	struct mmc_hsq *hsq = mmc->cqe_private;  in mmc_hsq_request()
254 static void mmc_hsq_post_req(struct mmc_host *mmc, struct mmc_request *mrq)  in mmc_hsq_post_req()  argument
256 	if (mmc->ops->post_req)  in mmc_hsq_post_req()
257 		mmc->ops->post_req(mmc, mrq, 0);  in mmc_hsq_post_req()
277 static int mmc_hsq_wait_for_idle(struct mmc_host *mmc)  in mmc_hsq_wait_for_idle()  argument
279 	struct mmc_hsq *hsq = mmc->cqe_private;  in mmc_hsq_wait_for_idle()
288 static void mmc_hsq_disable(struct mmc_host *mmc)  in mmc_hsq_disable()  argument
290 	struct mmc_hsq *hsq = mmc->cqe_private;  in mmc_hsq_disable()
307 		pr_warn("could not stop mmc software queue\n");  in mmc_hsq_disable()
318 static int mmc_hsq_enable(struct mmc_host *mmc, struct mmc_card *card)  in mmc_hsq_enable()  argument
320 	struct mmc_hsq *hsq = mmc->cqe_private;  in mmc_hsq_enable()
346 int mmc_hsq_init(struct mmc_hsq *hsq, struct mmc_host *mmc)  in mmc_hsq_init()  argument
353 	hsq->slot = devm_kcalloc(mmc_dev(mmc), hsq->num_slots,  in mmc_hsq_init()
358 	hsq->mmc = mmc;  in mmc_hsq_init()
359 	hsq->mmc->cqe_private = hsq;  in mmc_hsq_init()
360 	mmc->cqe_ops = &mmc_hsq_ops;  in mmc_hsq_init()
361 	mmc->hsq_depth = HSQ_NORMAL_DEPTH;  in mmc_hsq_init()
374 void mmc_hsq_suspend(struct mmc_host *mmc)  in mmc_hsq_suspend()  argument
376 	mmc_hsq_disable(mmc);  in mmc_hsq_suspend()
380 int mmc_hsq_resume(struct mmc_host *mmc)  in mmc_hsq_resume()  argument
382 	return mmc_hsq_enable(mmc, NULL);  in mmc_hsq_resume()
386 MODULE_DESCRIPTION("MMC Host Software Queue support");