103 static void pata_s3c_set_piomode(struct ata_port *ap, struct ata_device *adev)  in pata_s3c_set_piomode()  argument
105 	struct s3c_ide_info *info = ap->host->private_data;  in pata_s3c_set_piomode()
175 static void pata_s3c_tf_load(struct ata_port *ap,  in pata_s3c_tf_load()  argument
178 	struct ata_ioports *ioaddr = &ap->ioaddr;  in pata_s3c_tf_load()
181 	if (tf->ctl != ap->last_ctl) {  in pata_s3c_tf_load()
182 		ata_outb(ap->host, tf->ctl, ioaddr->ctl_addr);  in pata_s3c_tf_load()
183 		ap->last_ctl = tf->ctl;  in pata_s3c_tf_load()
184 		ata_wait_idle(ap);  in pata_s3c_tf_load()
188 		ata_outb(ap->host, tf->hob_feature, ioaddr->feature_addr);  in pata_s3c_tf_load()
189 		ata_outb(ap->host, tf->hob_nsect, ioaddr->nsect_addr);  in pata_s3c_tf_load()
190 		ata_outb(ap->host, tf->hob_lbal, ioaddr->lbal_addr);  in pata_s3c_tf_load()
191 		ata_outb(ap->host, tf->hob_lbam, ioaddr->lbam_addr);  in pata_s3c_tf_load()
192 		ata_outb(ap->host, tf->hob_lbah, ioaddr->lbah_addr);  in pata_s3c_tf_load()
196 		ata_outb(ap->host, tf->feature, ioaddr->feature_addr);  in pata_s3c_tf_load()
197 		ata_outb(ap->host, tf->nsect, ioaddr->nsect_addr);  in pata_s3c_tf_load()
198 		ata_outb(ap->host, tf->lbal, ioaddr->lbal_addr);  in pata_s3c_tf_load()
199 		ata_outb(ap->host, tf->lbam, ioaddr->lbam_addr);  in pata_s3c_tf_load()
200 		ata_outb(ap->host, tf->lbah, ioaddr->lbah_addr);  in pata_s3c_tf_load()
204 		ata_outb(ap->host, tf->device, ioaddr->device_addr);  in pata_s3c_tf_load()
206 	ata_wait_idle(ap);  in pata_s3c_tf_load()
212 static void pata_s3c_tf_read(struct ata_port *ap, struct ata_taskfile *tf)  in pata_s3c_tf_read()  argument
214 	struct ata_ioports *ioaddr = &ap->ioaddr;  in pata_s3c_tf_read()
216 	tf->feature = ata_inb(ap->host, ioaddr->error_addr);  in pata_s3c_tf_read()
217 	tf->nsect = ata_inb(ap->host, ioaddr->nsect_addr);  in pata_s3c_tf_read()
218 	tf->lbal = ata_inb(ap->host, ioaddr->lbal_addr);  in pata_s3c_tf_read()
219 	tf->lbam = ata_inb(ap->host, ioaddr->lbam_addr);  in pata_s3c_tf_read()
220 	tf->lbah = ata_inb(ap->host, ioaddr->lbah_addr);  in pata_s3c_tf_read()
221 	tf->device = ata_inb(ap->host, ioaddr->device_addr);  in pata_s3c_tf_read()
224 		ata_outb(ap->host, tf->ctl | ATA_HOB, ioaddr->ctl_addr);  in pata_s3c_tf_read()
225 		tf->hob_feature = ata_inb(ap->host, ioaddr->error_addr);  in pata_s3c_tf_read()
226 		tf->hob_nsect = ata_inb(ap->host, ioaddr->nsect_addr);  in pata_s3c_tf_read()
227 		tf->hob_lbal = ata_inb(ap->host, ioaddr->lbal_addr);  in pata_s3c_tf_read()
228 		tf->hob_lbam = ata_inb(ap->host, ioaddr->lbam_addr);  in pata_s3c_tf_read()
229 		tf->hob_lbah = ata_inb(ap->host, ioaddr->lbah_addr);  in pata_s3c_tf_read()
230 		ata_outb(ap->host, tf->ctl, ioaddr->ctl_addr);  in pata_s3c_tf_read()
231 		ap->last_ctl = tf->ctl;  in pata_s3c_tf_read()
238 static void pata_s3c_exec_command(struct ata_port *ap,  in pata_s3c_exec_command()  argument
241 	ata_outb(ap->host, tf->command, ap->ioaddr.command_addr);  in pata_s3c_exec_command()
242 	ata_sff_pause(ap);  in pata_s3c_exec_command()
248 static u8 pata_s3c_check_status(struct ata_port *ap)  in pata_s3c_check_status()  argument
250 	return ata_inb(ap->host, ap->ioaddr.status_addr);  in pata_s3c_check_status()
256 static u8 pata_s3c_check_altstatus(struct ata_port *ap)  in pata_s3c_check_altstatus()  argument
258 	return ata_inb(ap->host, ap->ioaddr.altstatus_addr);  in pata_s3c_check_altstatus()
267 	struct ata_port *ap = qc->dev->link->ap;  in pata_s3c_data_xfer()  local
268 	struct s3c_ide_info *info = ap->host->private_data;  in pata_s3c_data_xfer()
269 	void __iomem *data_addr = ap->ioaddr.data_addr;  in pata_s3c_data_xfer()
289 		dev_err(ap->dev, "unexpected trailing data\n");  in pata_s3c_data_xfer()
297 static void pata_s3c_dev_select(struct ata_port *ap, unsigned int device)  in pata_s3c_dev_select()  argument
304 	ata_outb(ap->host, tmp, ap->ioaddr.device_addr);  in pata_s3c_dev_select()
305 	ata_sff_pause(ap);  in pata_s3c_dev_select()
311 static unsigned int pata_s3c_devchk(struct ata_port *ap,  in pata_s3c_devchk()  argument
314 	struct ata_ioports *ioaddr = &ap->ioaddr;  in pata_s3c_devchk()
317 	pata_s3c_dev_select(ap, device);  in pata_s3c_devchk()
319 	ata_outb(ap->host, 0x55, ioaddr->nsect_addr);  in pata_s3c_devchk()
320 	ata_outb(ap->host, 0xaa, ioaddr->lbal_addr);  in pata_s3c_devchk()
322 	ata_outb(ap->host, 0xaa, ioaddr->nsect_addr);  in pata_s3c_devchk()
323 	ata_outb(ap->host, 0x55, ioaddr->lbal_addr);  in pata_s3c_devchk()
325 	ata_outb(ap->host, 0x55, ioaddr->nsect_addr);  in pata_s3c_devchk()
326 	ata_outb(ap->host, 0xaa, ioaddr->lbal_addr);  in pata_s3c_devchk()
328 	nsect = ata_inb(ap->host, ioaddr->nsect_addr);  in pata_s3c_devchk()
329 	lbal = ata_inb(ap->host, ioaddr->lbal_addr);  in pata_s3c_devchk()
345 	ata_msleep(link->ap, ATA_WAIT_AFTER_RESET);  in pata_s3c_wait_after_reset()
361 static int pata_s3c_bus_softreset(struct ata_port *ap,  in pata_s3c_bus_softreset()  argument
364 	struct ata_ioports *ioaddr = &ap->ioaddr;  in pata_s3c_bus_softreset()
367 	ata_outb(ap->host, ap->ctl, ioaddr->ctl_addr);  in pata_s3c_bus_softreset()
369 	ata_outb(ap->host, ap->ctl | ATA_SRST, ioaddr->ctl_addr);  in pata_s3c_bus_softreset()
371 	ata_outb(ap->host, ap->ctl, ioaddr->ctl_addr);  in pata_s3c_bus_softreset()
372 	ap->last_ctl = ap->ctl;  in pata_s3c_bus_softreset()
374 	return pata_s3c_wait_after_reset(&ap->link, deadline);  in pata_s3c_bus_softreset()
383 	struct ata_port *ap = link->ap;  in pata_s3c_softreset()  local
389 	if (pata_s3c_devchk(ap, 0))  in pata_s3c_softreset()
393 	pata_s3c_dev_select(ap, 0);  in pata_s3c_softreset()
396 	rc = pata_s3c_bus_softreset(ap, deadline);  in pata_s3c_softreset()
404 	classes[0] = ata_sff_dev_classify(&ap->link.device[0],  in pata_s3c_softreset()
413 static void pata_s3c_set_devctl(struct ata_port *ap, u8 ctl)  in pata_s3c_set_devctl()  argument
415 	ata_outb(ap->host, ctl, ap->ioaddr.ctl_addr);  in pata_s3c_set_devctl()
498 	struct ata_port *ap;  in pata_s3c_probe()  local
535 	ap = host->ports[0];  in pata_s3c_probe()
536 	ap->pio_mask = ATA_PIO4;  in pata_s3c_probe()
539 		ap->ops = &pata_s3c_port_ops;  in pata_s3c_probe()
544 		ap->ops = &pata_s5p_port_ops;  in pata_s3c_probe()
551 		ap->flags |= ATA_FLAG_PIO_POLLING;  in pata_s3c_probe()
553 		ata_port_desc(ap, "no IRQ, using PIO polling\n");  in pata_s3c_probe()
556 	ap->ioaddr.cmd_addr =  info->ide_addr + S3C_ATA_CMD;  in pata_s3c_probe()
557 	ap->ioaddr.data_addr = info->ide_addr + S3C_ATA_PIO_DTR;  in pata_s3c_probe()
558 	ap->ioaddr.error_addr = info->ide_addr + S3C_ATA_PIO_FED;  in pata_s3c_probe()
559 	ap->ioaddr.feature_addr = info->ide_addr + S3C_ATA_PIO_FED;  in pata_s3c_probe()
560 	ap->ioaddr.nsect_addr = info->ide_addr + S3C_ATA_PIO_SCR;  in pata_s3c_probe()
561 	ap->ioaddr.lbal_addr = info->ide_addr + S3C_ATA_PIO_LLR;  in pata_s3c_probe()
562 	ap->ioaddr.lbam_addr = info->ide_addr + S3C_ATA_PIO_LMR;  in pata_s3c_probe()
563 	ap->ioaddr.lbah_addr = info->ide_addr + S3C_ATA_PIO_LHR;  in pata_s3c_probe()
564 	ap->ioaddr.device_addr = info->ide_addr + S3C_ATA_PIO_DVR;  in pata_s3c_probe()
565 	ap->ioaddr.status_addr = info->ide_addr + S3C_ATA_PIO_CSD;  in pata_s3c_probe()
566 	ap->ioaddr.command_addr = info->ide_addr + S3C_ATA_PIO_CSD;  in pata_s3c_probe()
567 	ap->ioaddr.altstatus_addr = info->ide_addr + S3C_ATA_PIO_DAD;  in pata_s3c_probe()
568 	ap->ioaddr.ctl_addr = info->ide_addr + S3C_ATA_PIO_DAD;  in pata_s3c_probe()
570 	ata_port_desc(ap, "mmio cmd 0x%llx ",  in pata_s3c_probe()