58 #define GOLDFISH_MMC_READ(host, addr)   (readl(host->reg_base + addr))  argument
59 #define GOLDFISH_MMC_WRITE(host, addr, x)   (writel(x, host->reg_base + addr))  argument
135 goldfish_mmc_cover_is_open(struct goldfish_mmc_host *host)  in goldfish_mmc_cover_is_open()  argument
144 	struct goldfish_mmc_host *host = dev_get_drvdata(dev);  in goldfish_mmc_show_cover_switch()  local
146 	return sprintf(buf, "%s\n", goldfish_mmc_cover_is_open(host) ? "open" :  in goldfish_mmc_show_cover_switch()
153 goldfish_mmc_start_command(struct goldfish_mmc_host *host, struct mmc_command *cmd)  in goldfish_mmc_start_command()  argument
159 	host->cmd = cmd;  in goldfish_mmc_start_command()
180 		dev_err(mmc_dev(host->mmc),  in goldfish_mmc_start_command()
196 	if (host->bus_mode == MMC_BUSMODE_OPENDRAIN)  in goldfish_mmc_start_command()
202 	if (host->data && !(host->data->flags & MMC_DATA_WRITE))  in goldfish_mmc_start_command()
205 	GOLDFISH_MMC_WRITE(host, MMC_ARG, cmd->arg);  in goldfish_mmc_start_command()
206 	GOLDFISH_MMC_WRITE(host, MMC_CMD, cmdreg);  in goldfish_mmc_start_command()
209 static void goldfish_mmc_xfer_done(struct goldfish_mmc_host *host,  in goldfish_mmc_xfer_done()  argument
212 	if (host->dma_in_use) {  in goldfish_mmc_xfer_done()
226 			memcpy(dest, host->virt_base, data->sg->length);  in goldfish_mmc_xfer_done()
228 		host->data->bytes_xfered += data->sg->length;  in goldfish_mmc_xfer_done()
229 		dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->sg_len,  in goldfish_mmc_xfer_done()
233 	host->data = NULL;  in goldfish_mmc_xfer_done()
234 	host->sg_len = 0;  in goldfish_mmc_xfer_done()
243 		host->mrq = NULL;  in goldfish_mmc_xfer_done()
244 		mmc_request_done(host->mmc, data->mrq);  in goldfish_mmc_xfer_done()
248 	goldfish_mmc_start_command(host, data->stop);  in goldfish_mmc_xfer_done()
251 static void goldfish_mmc_end_of_data(struct goldfish_mmc_host *host,  in goldfish_mmc_end_of_data()  argument
254 	if (!host->dma_in_use) {  in goldfish_mmc_end_of_data()
255 		goldfish_mmc_xfer_done(host, data);  in goldfish_mmc_end_of_data()
258 	if (host->dma_done)  in goldfish_mmc_end_of_data()
259 		goldfish_mmc_xfer_done(host, data);  in goldfish_mmc_end_of_data()
262 static void goldfish_mmc_cmd_done(struct goldfish_mmc_host *host,  in goldfish_mmc_cmd_done()  argument
265 	host->cmd = NULL;  in goldfish_mmc_cmd_done()
270 				GOLDFISH_MMC_READ(host, MMC_RESP_0);  in goldfish_mmc_cmd_done()
272 				GOLDFISH_MMC_READ(host, MMC_RESP_1);  in goldfish_mmc_cmd_done()
274 				GOLDFISH_MMC_READ(host, MMC_RESP_2);  in goldfish_mmc_cmd_done()
276 				GOLDFISH_MMC_READ(host, MMC_RESP_3);  in goldfish_mmc_cmd_done()
280 				GOLDFISH_MMC_READ(host, MMC_RESP_0);  in goldfish_mmc_cmd_done()
284 	if (host->data == NULL || cmd->error) {  in goldfish_mmc_cmd_done()
285 		host->mrq = NULL;  in goldfish_mmc_cmd_done()
286 		mmc_request_done(host->mmc, cmd->mrq);  in goldfish_mmc_cmd_done()
292 	struct goldfish_mmc_host *host = (struct goldfish_mmc_host *)dev_id;  in goldfish_mmc_irq()  local
300 	while ((status = GOLDFISH_MMC_READ(host, MMC_INT_STATUS)) != 0) {  in goldfish_mmc_irq()
301 		GOLDFISH_MMC_WRITE(host, MMC_INT_STATUS, status);  in goldfish_mmc_irq()
319 		struct mmc_request *mrq = host->mrq;  in goldfish_mmc_irq()
321 		host->mrq = NULL;  in goldfish_mmc_irq()
322 		mmc_request_done(host->mmc, mrq);  in goldfish_mmc_irq()
326 		goldfish_mmc_cmd_done(host, host->cmd);  in goldfish_mmc_irq()
329 		goldfish_mmc_xfer_done(host, host->data);  in goldfish_mmc_irq()
331 		host->dma_done = 1;  in goldfish_mmc_irq()
332 		goldfish_mmc_end_of_data(host, host->data);  in goldfish_mmc_irq()
333 	} else if (host->data != NULL) {  in goldfish_mmc_irq()
342 		host->dma_done = 1;  in goldfish_mmc_irq()
343 		goldfish_mmc_end_of_data(host, host->data);  in goldfish_mmc_irq()
347 		u32 state = GOLDFISH_MMC_READ(host, MMC_STATE);  in goldfish_mmc_irq()
350 		mmc_detect_change(host->mmc, 0);  in goldfish_mmc_irq()
355 		status = GOLDFISH_MMC_READ(host, MMC_INT_STATUS);  in goldfish_mmc_irq()
356 		dev_info(mmc_dev(host->mmc),"spurious irq 0x%04x\n", status);  in goldfish_mmc_irq()
358 			GOLDFISH_MMC_WRITE(host, MMC_INT_STATUS, status);  in goldfish_mmc_irq()
359 			GOLDFISH_MMC_WRITE(host, MMC_INT_ENABLE, 0);  in goldfish_mmc_irq()
366 static void goldfish_mmc_prepare_data(struct goldfish_mmc_host *host,  in goldfish_mmc_prepare_data()  argument
374 	host->data = data;  in goldfish_mmc_prepare_data()
376 		GOLDFISH_MMC_WRITE(host, MMC_BLOCK_LENGTH, 0);  in goldfish_mmc_prepare_data()
377 		GOLDFISH_MMC_WRITE(host, MMC_BLOCK_COUNT, 0);  in goldfish_mmc_prepare_data()
378 		host->dma_in_use = 0;  in goldfish_mmc_prepare_data()
384 	GOLDFISH_MMC_WRITE(host, MMC_BLOCK_COUNT, data->blocks - 1);  in goldfish_mmc_prepare_data()
385 	GOLDFISH_MMC_WRITE(host, MMC_BLOCK_LENGTH, block_size - 1);  in goldfish_mmc_prepare_data()
398 	host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg,  in goldfish_mmc_prepare_data()
400 	host->dma_done = 0;  in goldfish_mmc_prepare_data()
401 	host->dma_in_use = 1;  in goldfish_mmc_prepare_data()
409 		memcpy(host->virt_base, src, data->sg->length);  in goldfish_mmc_prepare_data()
415 	struct goldfish_mmc_host *host = mmc_priv(mmc);  in goldfish_mmc_request()  local
417 	WARN_ON(host->mrq != NULL);  in goldfish_mmc_request()
419 	host->mrq = req;  in goldfish_mmc_request()
420 	goldfish_mmc_prepare_data(host, req);  in goldfish_mmc_request()
421 	goldfish_mmc_start_command(host, req->cmd);  in goldfish_mmc_request()
434 	struct goldfish_mmc_host *host = mmc_priv(mmc);  in goldfish_mmc_set_ios()  local
436 	host->bus_mode = ios->bus_mode;  in goldfish_mmc_set_ios()
437 	host->hw_bus_mode = host->bus_mode;  in goldfish_mmc_set_ios()
443 	struct goldfish_mmc_host *host = mmc_priv(mmc);  in goldfish_mmc_get_ro()  local
445 	state = GOLDFISH_MMC_READ(host, MMC_STATE);  in goldfish_mmc_get_ro()
458 	struct goldfish_mmc_host *host = NULL;  in goldfish_mmc_probe()  local
475 	host = mmc_priv(mmc);  in goldfish_mmc_probe()
476 	host->mmc = mmc;  in goldfish_mmc_probe()
479 	host->reg_base = ioremap(res->start, resource_size(res));  in goldfish_mmc_probe()
480 	if (host->reg_base == NULL) {  in goldfish_mmc_probe()
484 	host->virt_base = dma_alloc_coherent(&pdev->dev, BUFFER_SIZE,  in goldfish_mmc_probe()
487 	if (host->virt_base == 0) {  in goldfish_mmc_probe()
491 	host->phys_base = buf_addr;  in goldfish_mmc_probe()
493 	host->id = pdev->id;  in goldfish_mmc_probe()
494 	host->irq = irq;  in goldfish_mmc_probe()
512 	ret = request_irq(host->irq, goldfish_mmc_irq, 0, DRIVER_NAME, host);  in goldfish_mmc_probe()
518 	host->dev = &pdev->dev;  in goldfish_mmc_probe()
519 	platform_set_drvdata(pdev, host);  in goldfish_mmc_probe()
523 		dev_warn(mmc_dev(host->mmc),  in goldfish_mmc_probe()
526 	GOLDFISH_MMC_WRITE(host, MMC_SET_BUFFER, host->phys_base);  in goldfish_mmc_probe()
527 	GOLDFISH_MMC_WRITE(host, MMC_INT_ENABLE,  in goldfish_mmc_probe()
535 	dma_free_coherent(&pdev->dev, BUFFER_SIZE, host->virt_base,  in goldfish_mmc_probe()
536 			  host->phys_base);  in goldfish_mmc_probe()
538 	iounmap(host->reg_base);  in goldfish_mmc_probe()
540 	mmc_free_host(host->mmc);  in goldfish_mmc_probe()
547 	struct goldfish_mmc_host *host = platform_get_drvdata(pdev);  in goldfish_mmc_remove()  local
549 	BUG_ON(host == NULL);  in goldfish_mmc_remove()
551 	mmc_remove_host(host->mmc);  in goldfish_mmc_remove()
552 	free_irq(host->irq, host);  in goldfish_mmc_remove()
553 	dma_free_coherent(&pdev->dev, BUFFER_SIZE, host->virt_base, host->phys_base);  in goldfish_mmc_remove()
554 	iounmap(host->reg_base);  in goldfish_mmc_remove()
555 	mmc_free_host(host->mmc);  in goldfish_mmc_remove()