49 #define esp_read8(REG)		mac_esp_read8(esp, REG)
50 #define esp_write8(VAL, REG)	mac_esp_write8(esp, VAL, REG)
53 	struct esp *esp;  member
57 static struct esp *esp_chips[2];
60 #define MAC_ESP_GET_PRIV(esp) ((struct mac_esp_priv *) \  argument
61 			       dev_get_drvdata((esp)->dev))
63 static inline void mac_esp_write8(struct esp *esp, u8 val, unsigned long reg)  in mac_esp_write8()  argument
65 	nubus_writeb(val, esp->regs + reg * 16);  in mac_esp_write8()
68 static inline u8 mac_esp_read8(struct esp *esp, unsigned long reg)  in mac_esp_read8()  argument
70 	return nubus_readb(esp->regs + reg * 16);  in mac_esp_read8()
73 static void mac_esp_reset_dma(struct esp *esp)  in mac_esp_reset_dma()  argument
78 static void mac_esp_dma_drain(struct esp *esp)  in mac_esp_dma_drain()  argument
83 static void mac_esp_dma_invalidate(struct esp *esp)  in mac_esp_dma_invalidate()  argument
88 static int mac_esp_dma_error(struct esp *esp)  in mac_esp_dma_error()  argument
90 	return esp->send_cmd_error;  in mac_esp_dma_error()
93 static inline int mac_esp_wait_for_empty_fifo(struct esp *esp)  in mac_esp_wait_for_empty_fifo()  argument
109 	esp->send_cmd_error = 1;  in mac_esp_wait_for_empty_fifo()
113 static inline int mac_esp_wait_for_dreq(struct esp *esp)  in mac_esp_wait_for_dreq()  argument
115 	struct mac_esp_priv *mep = MAC_ESP_GET_PRIV(esp);  in mac_esp_wait_for_dreq()
135 	esp->send_cmd_error = 1;  in mac_esp_wait_for_dreq()
197 static void mac_esp_send_pdma_cmd(struct esp *esp, u32 addr, u32 esp_count,  in mac_esp_send_pdma_cmd()  argument
200 	struct mac_esp_priv *mep = MAC_ESP_GET_PRIV(esp);  in mac_esp_send_pdma_cmd()
202 	esp->send_cmd_error = 0;  in mac_esp_send_pdma_cmd()
205 		scsi_esp_cmd(esp, ESP_CMD_FLUSH);  in mac_esp_send_pdma_cmd()
210 	scsi_esp_cmd(esp, cmd);  in mac_esp_send_pdma_cmd()
218 		if (mac_esp_wait_for_dreq(esp))  in mac_esp_send_pdma_cmd()
230 			if (mac_esp_wait_for_empty_fifo(esp))  in mac_esp_send_pdma_cmd()
240 static int mac_esp_irq_pending(struct esp *esp)  in mac_esp_irq_pending()  argument
247 static u32 mac_esp_dma_length_limit(struct esp *esp, u32 dma_addr, u32 dma_len)  in mac_esp_dma_length_limit()  argument
294 	struct esp *esp;  in esp_mac_probe()  local
304 	host = scsi_host_alloc(tpnt, sizeof(struct esp));  in esp_mac_probe()
312 	esp = shost_priv(host);  in esp_mac_probe()
314 	esp->host = host;  in esp_mac_probe()
315 	esp->dev = &dev->dev;  in esp_mac_probe()
317 	esp->command_block = kzalloc(16, GFP_KERNEL);  in esp_mac_probe()
318 	if (!esp->command_block)  in esp_mac_probe()
320 	esp->command_block_dma = (dma_addr_t)esp->command_block;  in esp_mac_probe()
322 	esp->scsi_id = 7;  in esp_mac_probe()
323 	host->this_id = esp->scsi_id;  in esp_mac_probe()
324 	esp->scsi_id_mask = 1 << esp->scsi_id;  in esp_mac_probe()
329 	mep->esp = esp;  in esp_mac_probe()
334 		esp->cfreq     = 16500000;  in esp_mac_probe()
335 		esp->regs      = (void __iomem *)MAC_ESP_REGS_QUADRA;  in esp_mac_probe()
336 		mep->pdma_io   = esp->regs + MAC_ESP_PDMA_IO_OFFSET;  in esp_mac_probe()
340 		esp->cfreq     = 25000000;  in esp_mac_probe()
341 		esp->regs      = (void __iomem *)(MAC_ESP_REGS_QUADRA2 +  in esp_mac_probe()
343 		mep->pdma_io   = esp->regs + MAC_ESP_PDMA_IO_OFFSET;  in esp_mac_probe()
352 		esp->cfreq     = 25000000;  in esp_mac_probe()
353 		esp->regs      = (void __iomem *)MAC_ESP_REGS_QUADRA3;  in esp_mac_probe()
358 	esp->fifo_reg = esp->regs + ESP_FDATA * 16;  in esp_mac_probe()
360 	esp->ops = &mac_esp_ops;  in esp_mac_probe()
361 	esp->flags = ESP_FLAG_NO_DMA_MAP;  in esp_mac_probe()
366 		esp->flags |= ESP_FLAG_DISABLE_SYNC;  in esp_mac_probe()
383 	esp_chips[dev->id] = esp;  in esp_mac_probe()
386 	err = scsi_esp_register(esp);  in esp_mac_probe()
403 	kfree(esp->command_block);  in esp_mac_probe()
413 	struct esp *esp = mep->esp;  in esp_mac_remove()  local
414 	unsigned int irq = esp->host->irq;  in esp_mac_remove()
416 	scsi_esp_unregister(esp);  in esp_mac_remove()
428 	kfree(esp->command_block);  in esp_mac_remove()
430 	scsi_host_put(esp->host);  in esp_mac_remove()