1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* -*- mode: c; c-basic-offset: 8 -*- */
4 /* Driver for 53c700 and 53c700-66 chips from NCR and Symbios
18 /* Turn on for general debugging---too verbose for normal use */
42 #define NCR_700_LUN_MASK		(NCR_700_MAX_LUNS - 1)
82 	 * for the annoying SCSI-2 requirement for LUN information in
110 	struct NCR_700_Device_Parameters *hostdata = SDp->hostdata;  in NCR_700_get_sense_cmnd()
112 	return hostdata->cmnd;  in NCR_700_get_sense_cmnd()
118 	struct NCR_700_Device_Parameters *hostdata = SDp->hostdata;  in NCR_700_set_depth()
120 	hostdata->depth = depth;  in NCR_700_set_depth()
125 	struct NCR_700_Device_Parameters *hostdata = SDp->hostdata;  in NCR_700_get_depth()
127 	return hostdata->depth;  in NCR_700_get_depth()
132 	return (spi_flags(SDp->sdev_target) & flag) == flag;  in NCR_700_is_flag_set()
137 	return (spi_flags(SDp->sdev_target) & flag) == 0;  in NCR_700_is_flag_clear()
142 	spi_flags(SDp->sdev_target) |= flag;  in NCR_700_set_flag()
147 	spi_flags(SDp->sdev_target) &= ~flag;  in NCR_700_clear_flag()
159 	return (enum NCR_700_tag_neg_state)((spi_flags(SDp->sdev_target)>>20) & 0x3);  in NCR_700_get_tag_neg_state()
167 	spi_flags(SDp->sdev_target) &= ~(0x3 << 20);  in NCR_700_set_tag_neg_state()
168 	spi_flags(SDp->sdev_target) |= ((__u32)state) << 20;  in NCR_700_set_tag_neg_state()
189 	/* if this command is a pci_single mapping, holds the dma address
212 	__u32	noncoherent:1;	/* needs to use non-coherent DMA */  member
256  *	53C700 Register Interface - the offset from the Selected base
259 #define bE	(hostdata->force_le_on_be ? 0 : 3)
260 #define	bSWAP	(hostdata->force_le_on_be)
261 #define bEBus	(!hostdata->force_le_on_be)
417  * the 53c700-66 cannot handle an offset >8, so don't change this  */
485 		= (struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_readb()
487 	return ioread8(hostdata->base + (reg^bE));  in NCR_700_readb()
494 		= (struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_readl()
495 	__u32 value = bEBus ? ioread32be(hostdata->base + reg) :  in NCR_700_readl()
496 		ioread32(hostdata->base + reg);  in NCR_700_readl()
509 		= (struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_writeb()
511 	iowrite8(value, hostdata->base + (reg^bE));  in NCR_700_writeb()
518 		= (struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_writel()
525 	bEBus ? iowrite32be(value, hostdata->base + reg):   in NCR_700_writel()
526 		iowrite32(value, hostdata->base + reg);  in NCR_700_writel()