3  *  WM8505/WM8650 SD/MMC Host Controller
26 #include <linux/mmc/host.h>
27 #include <linux/mmc/mmc.h>
28 #include <linux/mmc/sd.h>
36 /* MMC/SD controller registers */
122 /* MMC/SD DMA Controller Registers */
186 	struct mmc_host *mmc;  member
223 static void wmt_mci_read_response(struct mmc_host *mmc)  in wmt_mci_read_response()  argument
230 	priv = mmc_priv(mmc);  in wmt_mci_read_response()
254 static int wmt_mci_send_command(struct mmc_host *mmc, u8 command, u8 cmdtype,  in wmt_mci_send_command()  argument
260 	priv = mmc_priv(mmc);  in wmt_mci_send_command()
303 		dma_unmap_sg(mmc_dev(priv->mmc), req->data->sg,  in wmt_complete_data_request()
306 		dma_unmap_sg(mmc_dev(priv->mmc), req->data->sg,  in wmt_complete_data_request()
311 		mmc_request_done(priv->mmc, req);  in wmt_complete_data_request()
313 		wmt_mci_read_response(priv->mmc);  in wmt_complete_data_request()
316 			mmc_request_done(priv->mmc, req);  in wmt_complete_data_request()
326 			wmt_mci_send_command(priv->mmc, req->data->stop->opcode,  in wmt_complete_data_request()
388 		mmc_detect_change(priv->mmc, 0);  in wmt_mci_regular_isr()
417 				wmt_mci_read_response(priv->mmc);  in wmt_mci_regular_isr()
421 			mmc_request_done(priv->mmc, priv->req);  in wmt_mci_regular_isr()
462 static void wmt_reset_hardware(struct mmc_host *mmc)  in wmt_reset_hardware()  argument
467 	priv = mmc_priv(mmc);  in wmt_reset_hardware()
501 static int wmt_dma_init(struct mmc_host *mmc)  in wmt_dma_init()  argument
505 	priv = mmc_priv(mmc);  in wmt_dma_init()
525 static void wmt_dma_config(struct mmc_host *mmc, u32 descaddr, u8 dir)  in wmt_dma_config()  argument
530 	priv = mmc_priv(mmc);  in wmt_dma_config()
559 static void wmt_mci_request(struct mmc_host *mmc, struct mmc_request *req)  in wmt_mci_request()  argument
576 	priv = mmc_priv(mmc);  in wmt_mci_request()
599 		wmt_mci_send_command(mmc, command, cmdtype, arg, rsptype);  in wmt_mci_request()
607 		wmt_dma_init(mmc);  in wmt_mci_request()
620 			sg_cnt = dma_map_sg(mmc_dev(mmc), req->data->sg,  in wmt_mci_request()
626 			sg_cnt = dma_map_sg(mmc_dev(mmc), req->data->sg,  in wmt_mci_request()
654 			wmt_dma_config(mmc, priv->dma_desc_device_addr,  in wmt_mci_request()
657 			wmt_dma_config(mmc, priv->dma_desc_device_addr,  in wmt_mci_request()
660 		wmt_mci_send_command(mmc, command, cmdtype, arg, rsptype);  in wmt_mci_request()
670 static void wmt_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)  in wmt_mci_set_ios()  argument
675 	priv = mmc_priv(mmc);  in wmt_mci_set_ios()
678 		wmt_reset_hardware(mmc);  in wmt_mci_set_ios()
710 static int wmt_mci_get_ro(struct mmc_host *mmc)  in wmt_mci_get_ro()  argument
712 	struct wmt_mci_priv *priv = mmc_priv(mmc);  in wmt_mci_get_ro()
717 static int wmt_mci_get_cd(struct mmc_host *mmc)  in wmt_mci_get_cd()  argument
719 	struct wmt_mci_priv *priv = mmc_priv(mmc);  in wmt_mci_get_cd()
751 	struct mmc_host *mmc;  in wmt_mci_probe()  local
781 	mmc = mmc_alloc_host(sizeof(struct wmt_mci_priv), &pdev->dev);  in wmt_mci_probe()
782 	if (!mmc) {  in wmt_mci_probe()
788 	mmc->ops = &wmt_mci_ops;  in wmt_mci_probe()
789 	mmc->f_min = wmt_caps->f_min;  in wmt_mci_probe()
790 	mmc->f_max = wmt_caps->f_max;  in wmt_mci_probe()
791 	mmc->ocr_avail = wmt_caps->ocr_avail;  in wmt_mci_probe()
792 	mmc->caps = wmt_caps->caps;  in wmt_mci_probe()
794 	mmc->max_seg_size = wmt_caps->max_seg_size;  in wmt_mci_probe()
795 	mmc->max_segs = wmt_caps->max_segs;  in wmt_mci_probe()
796 	mmc->max_blk_size = wmt_caps->max_blk_size;  in wmt_mci_probe()
798 	mmc->max_req_size = (16*512*mmc->max_segs);  in wmt_mci_probe()
799 	mmc->max_blk_count = mmc->max_req_size / 512;  in wmt_mci_probe()
801 	priv = mmc_priv(mmc);  in wmt_mci_probe()
802 	priv->mmc = mmc;  in wmt_mci_probe()
837 						   mmc->max_blk_count * 16,  in wmt_mci_probe()
846 	platform_set_drvdata(pdev, mmc);  in wmt_mci_probe()
860 	wmt_reset_hardware(mmc);  in wmt_mci_probe()
862 	mmc_add_host(mmc);  in wmt_mci_probe()
876 	mmc_free_host(mmc);  in wmt_mci_probe()
883 	struct mmc_host *mmc;  in wmt_mci_remove()  local
888 	mmc = platform_get_drvdata(pdev);  in wmt_mci_remove()
889 	priv = mmc_priv(mmc);  in wmt_mci_remove()
900 	dma_free_coherent(&pdev->dev, priv->mmc->max_blk_count * 16,  in wmt_mci_remove()
903 	mmc_remove_host(mmc);  in wmt_mci_remove()
916 	mmc_free_host(mmc);  in wmt_mci_remove()
927 	struct mmc_host *mmc = dev_get_drvdata(dev);  in wmt_mci_suspend()  local
930 	if (!mmc)  in wmt_mci_suspend()
933 	priv = mmc_priv(mmc);  in wmt_mci_suspend()
951 	struct mmc_host *mmc = dev_get_drvdata(dev);  in wmt_mci_resume()  local
954 	if (mmc) {  in wmt_mci_resume()
955 		priv = mmc_priv(mmc);  in wmt_mci_resume()
1001 MODULE_DESCRIPTION("Wondermedia MMC/SD Driver");