27 			shost_printk(KERN_DEBUG, esp->host, f, ##a);	\
92 	struct esp *esp;  member
96 static void pci_esp_dma_drain(struct esp *esp);
98 static inline struct pci_esp_priv *pci_esp_get_priv(struct esp *esp)  in pci_esp_get_priv()  argument
100 	return dev_get_drvdata(esp->dev);  in pci_esp_get_priv()
103 static void pci_esp_write8(struct esp *esp, u8 val, unsigned long reg)  in pci_esp_write8()  argument
105 	iowrite8(val, esp->regs + (reg * 4UL));  in pci_esp_write8()
108 static u8 pci_esp_read8(struct esp *esp, unsigned long reg)  in pci_esp_read8()  argument
110 	return ioread8(esp->regs + (reg * 4UL));  in pci_esp_read8()
113 static void pci_esp_write32(struct esp *esp, u32 val, unsigned long reg)  in pci_esp_write32()  argument
115 	return iowrite32(val, esp->regs + (reg * 4UL));  in pci_esp_write32()
118 static int pci_esp_irq_pending(struct esp *esp)  in pci_esp_irq_pending()  argument
120 	struct pci_esp_priv *pep = pci_esp_get_priv(esp);  in pci_esp_irq_pending()
122 	pep->dma_status = pci_esp_read8(esp, ESP_DMA_STATUS);  in pci_esp_irq_pending()
134 static void pci_esp_reset_dma(struct esp *esp)  in pci_esp_reset_dma()  argument
139 static void pci_esp_dma_drain(struct esp *esp)  in pci_esp_dma_drain()  argument
145 	if ((esp->sreg & ESP_STAT_PMASK) == ESP_DOP ||  in pci_esp_dma_drain()
146 	    (esp->sreg & ESP_STAT_PMASK) == ESP_DIP)  in pci_esp_dma_drain()
151 		resid = pci_esp_read8(esp, ESP_FFLAGS) & ESP_FF_FBYTES;  in pci_esp_dma_drain()
165 	pci_esp_write8(esp, ESP_DMA_CMD_DIR | ESP_DMA_CMD_BLAST, ESP_DMA_CMD);  in pci_esp_dma_drain()
166 	while (pci_esp_read8(esp, ESP_DMA_STATUS) & ESP_DMA_STAT_BCMPLT) {  in pci_esp_dma_drain()
171 	pci_esp_write8(esp, ESP_DMA_CMD_DIR | ESP_DMA_CMD_IDLE, ESP_DMA_CMD);  in pci_esp_dma_drain()
175 		struct esp_cmd_entry *ent = esp->active_cmd;  in pci_esp_dma_drain()
181 static void pci_esp_dma_invalidate(struct esp *esp)  in pci_esp_dma_invalidate()  argument
183 	struct pci_esp_priv *pep = pci_esp_get_priv(esp);  in pci_esp_dma_invalidate()
187 	pci_esp_write8(esp, ESP_DMA_CMD_IDLE, ESP_DMA_CMD);  in pci_esp_dma_invalidate()
191 static int pci_esp_dma_error(struct esp *esp)  in pci_esp_dma_error()  argument
193 	struct pci_esp_priv *pep = pci_esp_get_priv(esp);  in pci_esp_dma_error()
196 		u8 dma_cmd = pci_esp_read8(esp, ESP_DMA_CMD);  in pci_esp_dma_error()
199 			pci_esp_write8(esp, ESP_DMA_CMD_ABORT, ESP_DMA_CMD);  in pci_esp_dma_error()
204 		pci_esp_write8(esp, ESP_DMA_CMD_IDLE, ESP_DMA_CMD);  in pci_esp_dma_error()
205 		pep->dma_status = pci_esp_read8(esp, ESP_DMA_CMD);  in pci_esp_dma_error()
211 static void pci_esp_send_dma_cmd(struct esp *esp, u32 addr, u32 esp_count,  in pci_esp_send_dma_cmd()  argument
214 	struct pci_esp_priv *pep = pci_esp_get_priv(esp);  in pci_esp_send_dma_cmd()
225 	pci_esp_write8(esp, ESP_DMA_CMD_IDLE | val, ESP_DMA_CMD);  in pci_esp_send_dma_cmd()
227 	pci_esp_write8(esp, (esp_count >> 0) & 0xff, ESP_TCLOW);  in pci_esp_send_dma_cmd()
228 	pci_esp_write8(esp, (esp_count >> 8) & 0xff, ESP_TCMED);  in pci_esp_send_dma_cmd()
229 	if (esp->config2 & ESP_CONFIG2_FENAB)  in pci_esp_send_dma_cmd()
230 		pci_esp_write8(esp, (esp_count >> 16) & 0xff, ESP_TCHI);  in pci_esp_send_dma_cmd()
232 	pci_esp_write32(esp, esp_count, ESP_DMA_STC);  in pci_esp_send_dma_cmd()
233 	pci_esp_write32(esp, addr, ESP_DMA_SPA);  in pci_esp_send_dma_cmd()
238 	scsi_esp_cmd(esp, cmd);  in pci_esp_send_dma_cmd()
240 	pci_esp_write8(esp, ESP_DMA_CMD_START | val, ESP_DMA_CMD);  in pci_esp_send_dma_cmd()
243 static u32 pci_esp_dma_length_limit(struct esp *esp, u32 dma_addr, u32 dma_len)  in pci_esp_dma_length_limit()  argument
252 	if (esp->config2 & ESP_CONFIG2_FENAB)  in pci_esp_dma_length_limit()
347 static void dc390_check_eeprom(struct esp *esp)  in dc390_check_eeprom()  argument
349 	struct pci_dev *pdev = to_pci_dev(esp->dev);  in dc390_check_eeprom()
365 	esp->scsi_id = EEbuf[DC390_EE_ADAPT_SCSI_ID];  in dc390_check_eeprom()
366 	esp->num_tags = 2 << EEbuf[DC390_EE_TAG_CMD_NUM];  in dc390_check_eeprom()
368 		esp->config4 |= ESP_CONFIG4_RADE | ESP_CONFIG4_RAE;  in dc390_check_eeprom()
377 	struct esp *esp;  in pci_esp_probe_one()  local
391 	shost = scsi_host_alloc(hostt, sizeof(struct esp));  in pci_esp_probe_one()
407 	esp = shost_priv(shost);  in pci_esp_probe_one()
408 	esp->host = shost;  in pci_esp_probe_one()
409 	esp->dev = &pdev->dev;  in pci_esp_probe_one()
410 	esp->ops = &pci_esp_ops;  in pci_esp_probe_one()
416 	esp->flags |= ESP_FLAG_USE_FIFO;  in pci_esp_probe_one()
421 		esp->config2 |= ESP_CONFIG2_FENAB;  in pci_esp_probe_one()
423 	pep->esp = esp;  in pci_esp_probe_one()
431 	esp->regs = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));  in pci_esp_probe_one()
432 	if (!esp->regs) {  in pci_esp_probe_one()
437 	esp->dma_regs = esp->regs;  in pci_esp_probe_one()
441 	esp->command_block = dma_alloc_coherent(&pdev->dev, 16,  in pci_esp_probe_one()
442 			&esp->command_block_dma, GFP_KERNEL);  in pci_esp_probe_one()
443 	if (!esp->command_block) {  in pci_esp_probe_one()
453 			  DRV_MODULE_NAME, esp);  in pci_esp_probe_one()
459 	esp->scsi_id = 7;  in pci_esp_probe_one()
460 	dc390_check_eeprom(esp);  in pci_esp_probe_one()
462 	shost->this_id = esp->scsi_id;  in pci_esp_probe_one()
468 	esp->scsi_id_mask = (1 << esp->scsi_id);  in pci_esp_probe_one()
470 	esp->cfreq = 40000000;  in pci_esp_probe_one()
472 	err = scsi_esp_register(esp);  in pci_esp_probe_one()
479 	free_irq(pdev->irq, esp);  in pci_esp_probe_one()
482 	dma_free_coherent(&pdev->dev, 16, esp->command_block,  in pci_esp_probe_one()
483 			  esp->command_block_dma);  in pci_esp_probe_one()
485 	pci_iounmap(pdev, esp->regs);  in pci_esp_probe_one()
501 	struct esp *esp = pep->esp;  in pci_esp_remove_one()  local
503 	scsi_esp_unregister(esp);  in pci_esp_remove_one()
504 	free_irq(pdev->irq, esp);  in pci_esp_remove_one()
506 	dma_free_coherent(&pdev->dev, 16, esp->command_block,  in pci_esp_remove_one()
507 			  esp->command_block_dma);  in pci_esp_remove_one()
508 	pci_iounmap(pdev, esp->regs);  in pci_esp_remove_one()
513 	scsi_host_put(esp->host);  in pci_esp_remove_one()