67 static int sis_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
68 static int sis_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
112 static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg)  in get_scr_cfg_addr()  argument
115 	unsigned int addr = SIS_SCR_BASE + (4 * sc_reg);  in get_scr_cfg_addr()
138 			    unsigned int sc_reg, u32 *val)  in sis_scr_cfg_read()  argument
141 	unsigned int cfg_addr = get_scr_cfg_addr(link->ap, sc_reg);  in sis_scr_cfg_read()
145 	if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */  in sis_scr_cfg_read()
163 			     unsigned int sc_reg, u32 val)  in sis_scr_cfg_write()  argument
166 	unsigned int cfg_addr = get_scr_cfg_addr(link->ap, sc_reg);  in sis_scr_cfg_write()
169 	if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */  in sis_scr_cfg_write()
183 static int sis_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val)  in sis_scr_read()  argument
189 	if (sc_reg > SCR_CONTROL)  in sis_scr_read()
193 		return sis_scr_cfg_read(link, sc_reg, val);  in sis_scr_read()
197 	*val = ioread32(ap->ioaddr.scr_addr + (sc_reg * 4));  in sis_scr_read()
201 		*val |= ioread32(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10);  in sis_scr_read()
208 static int sis_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val)  in sis_scr_write()  argument
214 	if (sc_reg > SCR_CONTROL)  in sis_scr_write()
220 		return sis_scr_cfg_write(link, sc_reg, val);  in sis_scr_write()
222 		iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4));  in sis_scr_write()
225 			iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4)+0x10);  in sis_scr_write()