mmc/host/tifm_sd.c

167 	struct mmc_data *r_data = host->req->cmd->data;
168 	struct scatterlist *sg = r_data->sg;
181 				if ((r_data->flags & MMC_DATA_WRITE)
199 		if (r_data->flags & MMC_DATA_READ)
201 		else if (r_data->flags & MMC_DATA_WRITE)
222 static void tifm_sd_bounce_block(struct tifm_sd *host, struct mmc_data *r_data)
224 	struct scatterlist *sg = r_data->sg;
225 	unsigned int t_size = r_data->blksz;
248 		if (r_data->flags & MMC_DATA_WRITE)
250 					  r_data->blksz - t_size,
252 		else if (r_data->flags & MMC_DATA_READ)
254 					  r_data->blksz - t_size, p_cnt);
261 static int tifm_sd_set_dma_data(struct tifm_sd *host, struct mmc_data *r_data)
264 	unsigned int t_size = TIFM_DMA_TSIZE * r_data->blksz;
273 		tifm_sd_bounce_block(host, r_data);
278 	dma_len = sg_dma_len(&r_data->sg[host->sg_pos]) - host->block_pos;
284 		dma_len = sg_dma_len(&r_data->sg[host->sg_pos]);
288 		dma_blk_cnt = dma_len / r_data->blksz;
290 		host->block_pos += dma_blk_cnt * r_data->blksz;
298 		sg = &r_data->sg[host->sg_pos];
300 		if (r_data->flags & MMC_DATA_WRITE)
301 			tifm_sd_bounce_block(host, r_data);
313 	if (r_data->flags & MMC_DATA_WRITE)
474 	struct mmc_data *r_data = NULL;
483 		r_data = host->req->cmd->data;
485 		if (r_data && (fifo_status & TIFM_FIFO_READY)) {
486 			if (tifm_sd_set_dma_data(host, r_data)) {
617 	struct mmc_data *r_data = mrq->cmd->data;
641 	if (r_data) {
642 		tifm_sd_set_data_timeout(host, r_data);
644 		if ((r_data->flags & MMC_DATA_WRITE) && !mrq->stop)
657 			host->sg_len = r_data->sg_len;
660 				    r_data->blksz);
663 					    r_data->flags & MMC_DATA_WRITE
671 			host->sg_len = tifm_map_sg(sock, r_data->sg,
672 						   r_data->sg_len,
673 						   r_data->flags
681 					      r_data->flags & MMC_DATA_WRITE
690 			writel(ilog2(r_data->blksz) - 2,
697 			if (r_data->flags & MMC_DATA_WRITE)
704 			tifm_sd_set_dma_data(host, r_data);
707 		writel(r_data->blocks - 1,
709 		writel(r_data->blksz - 1,
732 	struct mmc_data *r_data = NULL;
748 	r_data = mrq->cmd->data;
749 	if (r_data) {
756 				      (r_data->flags & MMC_DATA_WRITE)
758 			tifm_unmap_sg(sock, r_data->sg, r_data->sg_len,
759 				      (r_data->flags & MMC_DATA_WRITE)
763 		r_data->bytes_xfered = r_data->blocks
765 		r_data->bytes_xfered *= r_data->blksz;
766 		r_data->bytes_xfered += r_data->blksz