26 			shost_printk(KERN_DEBUG, esp->host, f, ##a);	\
91 	struct esp *esp;  member
95 static void pci_esp_dma_drain(struct esp *esp);
97 static inline struct pci_esp_priv *pci_esp_get_priv(struct esp *esp)  in pci_esp_get_priv()  argument
99 	struct pci_dev *pdev = esp->dev;  in pci_esp_get_priv()
104 static void pci_esp_write8(struct esp *esp, u8 val, unsigned long reg)  in pci_esp_write8()  argument
106 	iowrite8(val, esp->regs + (reg * 4UL));  in pci_esp_write8()
109 static u8 pci_esp_read8(struct esp *esp, unsigned long reg)  in pci_esp_read8()  argument
111 	return ioread8(esp->regs + (reg * 4UL));  in pci_esp_read8()
114 static void pci_esp_write32(struct esp *esp, u32 val, unsigned long reg)  in pci_esp_write32()  argument
116 	return iowrite32(val, esp->regs + (reg * 4UL));  in pci_esp_write32()
119 static dma_addr_t pci_esp_map_single(struct esp *esp, void *buf,  in pci_esp_map_single()  argument
122 	return pci_map_single(esp->dev, buf, sz, dir);  in pci_esp_map_single()
125 static int pci_esp_map_sg(struct esp *esp, struct scatterlist *sg,  in pci_esp_map_sg()  argument
128 	return pci_map_sg(esp->dev, sg, num_sg, dir);  in pci_esp_map_sg()
131 static void pci_esp_unmap_single(struct esp *esp, dma_addr_t addr,  in pci_esp_unmap_single()  argument
134 	pci_unmap_single(esp->dev, addr, sz, dir);  in pci_esp_unmap_single()
137 static void pci_esp_unmap_sg(struct esp *esp, struct scatterlist *sg,  in pci_esp_unmap_sg()  argument
140 	pci_unmap_sg(esp->dev, sg, num_sg, dir);  in pci_esp_unmap_sg()
143 static int pci_esp_irq_pending(struct esp *esp)  in pci_esp_irq_pending()  argument
145 	struct pci_esp_priv *pep = pci_esp_get_priv(esp);  in pci_esp_irq_pending()
147 	pep->dma_status = pci_esp_read8(esp, ESP_DMA_STATUS);  in pci_esp_irq_pending()
159 static void pci_esp_reset_dma(struct esp *esp)  in pci_esp_reset_dma()  argument
164 static void pci_esp_dma_drain(struct esp *esp)  in pci_esp_dma_drain()  argument
170 	if ((esp->sreg & ESP_STAT_PMASK) == ESP_DOP ||  in pci_esp_dma_drain()
171 	    (esp->sreg & ESP_STAT_PMASK) == ESP_DIP)  in pci_esp_dma_drain()
176 		resid = pci_esp_read8(esp, ESP_FFLAGS) & ESP_FF_FBYTES;  in pci_esp_dma_drain()
190 	pci_esp_write8(esp, ESP_DMA_CMD_DIR | ESP_DMA_CMD_BLAST, ESP_DMA_CMD);  in pci_esp_dma_drain()
191 	while (pci_esp_read8(esp, ESP_DMA_STATUS) & ESP_DMA_STAT_BCMPLT) {  in pci_esp_dma_drain()
196 	pci_esp_write8(esp, ESP_DMA_CMD_DIR | ESP_DMA_CMD_IDLE, ESP_DMA_CMD);  in pci_esp_dma_drain()
200 		struct esp_cmd_entry *ent = esp->active_cmd;  in pci_esp_dma_drain()
206 static void pci_esp_dma_invalidate(struct esp *esp)  in pci_esp_dma_invalidate()  argument
208 	struct pci_esp_priv *pep = pci_esp_get_priv(esp);  in pci_esp_dma_invalidate()
212 	pci_esp_write8(esp, ESP_DMA_CMD_IDLE, ESP_DMA_CMD);  in pci_esp_dma_invalidate()
216 static int pci_esp_dma_error(struct esp *esp)  in pci_esp_dma_error()  argument
218 	struct pci_esp_priv *pep = pci_esp_get_priv(esp);  in pci_esp_dma_error()
221 		u8 dma_cmd = pci_esp_read8(esp, ESP_DMA_CMD);  in pci_esp_dma_error()
224 			pci_esp_write8(esp, ESP_DMA_CMD_ABORT, ESP_DMA_CMD);  in pci_esp_dma_error()
229 		pci_esp_write8(esp, ESP_DMA_CMD_IDLE, ESP_DMA_CMD);  in pci_esp_dma_error()
230 		pep->dma_status = pci_esp_read8(esp, ESP_DMA_CMD);  in pci_esp_dma_error()
236 static void pci_esp_send_dma_cmd(struct esp *esp, u32 addr, u32 esp_count,  in pci_esp_send_dma_cmd()  argument
239 	struct pci_esp_priv *pep = pci_esp_get_priv(esp);  in pci_esp_send_dma_cmd()
250 	pci_esp_write8(esp, ESP_DMA_CMD_IDLE | val, ESP_DMA_CMD);  in pci_esp_send_dma_cmd()
252 	pci_esp_write8(esp, (esp_count >> 0) & 0xff, ESP_TCLOW);  in pci_esp_send_dma_cmd()
253 	pci_esp_write8(esp, (esp_count >> 8) & 0xff, ESP_TCMED);  in pci_esp_send_dma_cmd()
254 	if (esp->config2 & ESP_CONFIG2_FENAB)  in pci_esp_send_dma_cmd()
255 		pci_esp_write8(esp, (esp_count >> 16) & 0xff, ESP_TCHI);  in pci_esp_send_dma_cmd()
257 	pci_esp_write32(esp, esp_count, ESP_DMA_STC);  in pci_esp_send_dma_cmd()
258 	pci_esp_write32(esp, addr, ESP_DMA_SPA);  in pci_esp_send_dma_cmd()
263 	scsi_esp_cmd(esp, cmd);  in pci_esp_send_dma_cmd()
265 	pci_esp_write8(esp, ESP_DMA_CMD_START | val, ESP_DMA_CMD);  in pci_esp_send_dma_cmd()
268 static u32 pci_esp_dma_length_limit(struct esp *esp, u32 dma_addr, u32 dma_len)  in pci_esp_dma_length_limit()  argument
277 	if (esp->config2 & ESP_CONFIG2_FENAB)  in pci_esp_dma_length_limit()
376 static void dc390_check_eeprom(struct esp *esp)  in dc390_check_eeprom()  argument
382 	dc390_read_eeprom((struct pci_dev *)esp->dev, ptr);  in dc390_check_eeprom()
389 		struct pci_dev *pdev = esp->dev;  in dc390_check_eeprom()
394 	esp->scsi_id = EEbuf[DC390_EE_ADAPT_SCSI_ID];  in dc390_check_eeprom()
395 	esp->num_tags = 2 << EEbuf[DC390_EE_TAG_CMD_NUM];  in dc390_check_eeprom()
397 		esp->config4 |= ESP_CONFIG4_RADE | ESP_CONFIG4_RAE;  in dc390_check_eeprom()
406 	struct esp *esp;  in pci_esp_probe_one()  local
420 	shost = scsi_host_alloc(hostt, sizeof(struct esp));  in pci_esp_probe_one()
436 	esp = shost_priv(shost);  in pci_esp_probe_one()
437 	esp->host = shost;  in pci_esp_probe_one()
438 	esp->dev = pdev;  in pci_esp_probe_one()
439 	esp->ops = &pci_esp_ops;  in pci_esp_probe_one()
445 	esp->flags |= ESP_FLAG_USE_FIFO;  in pci_esp_probe_one()
450 		esp->config2 |= ESP_CONFIG2_FENAB;  in pci_esp_probe_one()
452 	pep->esp = esp;  in pci_esp_probe_one()
460 	esp->regs = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));  in pci_esp_probe_one()
461 	if (!esp->regs) {  in pci_esp_probe_one()
466 	esp->dma_regs = esp->regs;  in pci_esp_probe_one()
470 	esp->command_block = pci_alloc_consistent(pdev, 16,  in pci_esp_probe_one()
471 						  &esp->command_block_dma);  in pci_esp_probe_one()
472 	if (!esp->command_block) {  in pci_esp_probe_one()
482 			  DRV_MODULE_NAME, esp);  in pci_esp_probe_one()
488 	esp->scsi_id = 7;  in pci_esp_probe_one()
489 	dc390_check_eeprom(esp);  in pci_esp_probe_one()
491 	shost->this_id = esp->scsi_id;  in pci_esp_probe_one()
497 	esp->scsi_id_mask = (1 << esp->scsi_id);  in pci_esp_probe_one()
499 	esp->cfreq = 40000000;  in pci_esp_probe_one()
501 	err = scsi_esp_register(esp, &pdev->dev);  in pci_esp_probe_one()
508 	free_irq(pdev->irq, esp);  in pci_esp_probe_one()
511 	pci_free_consistent(pdev, 16, esp->command_block,  in pci_esp_probe_one()
512 			    esp->command_block_dma);  in pci_esp_probe_one()
514 	pci_iounmap(pdev, esp->regs);  in pci_esp_probe_one()
530 	struct esp *esp = pep->esp;  in pci_esp_remove_one()  local
532 	scsi_esp_unregister(esp);  in pci_esp_remove_one()
533 	free_irq(pdev->irq, esp);  in pci_esp_remove_one()
535 	pci_free_consistent(pdev, 16, esp->command_block,  in pci_esp_remove_one()
536 			    esp->command_block_dma);  in pci_esp_remove_one()
537 	pci_iounmap(pdev, esp->regs);  in pci_esp_remove_one()
542 	scsi_host_put(esp->host);  in pci_esp_remove_one()