1 /* SPDX-License-Identifier: GPL-2.0+ */
7  * Murray.Jensen@cmst.csiro.au, 27-Jan-01.
34 #define  SDHCI_TRNS_MULTI	BIT(5)
76 #define  SDHCI_CTRL_8BITBUS	BIT(5)
99 #define  SDHCI_PROG_CLOCK_MODE  BIT(5)
118 #define  SDHCI_INT_DATA_AVAIL	BIT(5)
143 #define SDHCI_INT_ALL_MASK	((unsigned int)-1)
183 /* 4C-4F reserved for more max current */
190 /* 55-57 reserved */
194 /* 60-FB reserved */
207 #define SDHCI_GET_VERSION(x) (x->version & SDHCI_SPEC_VER_MASK)
226  * the hardware cannot operate correctly in high-speed mode,
227  * this quirk forces the sdhci host-controller to non high-speed mode
229 #define SDHCI_QUIRK_BROKEN_HISPD_MODE	BIT(5)
286 	if (unlikely(host->ops->write_l))  in sdhci_writel()
287 		host->ops->write_l(host, val, reg);  in sdhci_writel()
289 		writel(val, host->ioaddr + reg);  in sdhci_writel()
294 	if (unlikely(host->ops->write_w))  in sdhci_writew()
295 		host->ops->write_w(host, val, reg);  in sdhci_writew()
297 		writew(val, host->ioaddr + reg);  in sdhci_writew()
302 	if (unlikely(host->ops->write_b))  in sdhci_writeb()
303 		host->ops->write_b(host, val, reg);  in sdhci_writeb()
305 		writeb(val, host->ioaddr + reg);  in sdhci_writeb()
310 	if (unlikely(host->ops->read_l))  in sdhci_readl()
311 		return host->ops->read_l(host, reg);  in sdhci_readl()
313 		return readl(host->ioaddr + reg);  in sdhci_readl()
318 	if (unlikely(host->ops->read_w))  in sdhci_readw()
319 		return host->ops->read_w(host, reg);  in sdhci_readw()
321 		return readw(host->ioaddr + reg);  in sdhci_readw()
326 	if (unlikely(host->ops->read_b))  in sdhci_readb()
327 		return host->ops->read_b(host, reg);  in sdhci_readb()
329 		return readb(host->ioaddr + reg);  in sdhci_readb()
336 	writel(val, host->ioaddr + reg);  in sdhci_writel()
341 	writew(val, host->ioaddr + reg);  in sdhci_writew()
346 	writeb(val, host->ioaddr + reg);  in sdhci_writeb()
350 	return readl(host->ioaddr + reg);  in sdhci_readl()
355 	return readw(host->ioaddr + reg);  in sdhci_readw()
360 	return readb(host->ioaddr + reg);  in sdhci_readb()
366  * sdhci_setup_cfg() - Set up the configuration for DWMMC
368  * This is used to set up an SDHCI device when you are using CONFIG_BLK.
392  * @cfg:	Configuration structure to fill in (generally &plat->mmc)
393  * @host:	SDHCI host structure
401  * sdhci_bind() - Set up a new MMC block device
403  * This is used to set up an SDHCI block device when you are using CONFIG_BLK.
409  * @mmc:	Pointer to mmc structure (normally &plat->mmc)
410  * @cfg:	Empty configuration structure (generally &plat->cfg). This is
412  *		this in is to set mmc->cfg to it.
413  * @return 0 if OK, -ve if the block device could not be created
419  * add_sdhci() - Add a new SDHCI interface
423  * @host:	SDHCI host structure
426  * @return 0 if OK, -ve on error