31 static void jazz_esp_write8(struct esp *esp, u8 val, unsigned long reg)  in jazz_esp_write8()  argument
33 	*(volatile u8 *)(esp->regs + reg) = val;  in jazz_esp_write8()
36 static u8 jazz_esp_read8(struct esp *esp, unsigned long reg)  in jazz_esp_read8()  argument
38 	return *(volatile u8 *)(esp->regs + reg);  in jazz_esp_read8()
41 static dma_addr_t jazz_esp_map_single(struct esp *esp, void *buf,  in jazz_esp_map_single()  argument
44 	return dma_map_single(esp->dev, buf, sz, dir);  in jazz_esp_map_single()
47 static int jazz_esp_map_sg(struct esp *esp, struct scatterlist *sg,  in jazz_esp_map_sg()  argument
50 	return dma_map_sg(esp->dev, sg, num_sg, dir);  in jazz_esp_map_sg()
53 static void jazz_esp_unmap_single(struct esp *esp, dma_addr_t addr,  in jazz_esp_unmap_single()  argument
56 	dma_unmap_single(esp->dev, addr, sz, dir);  in jazz_esp_unmap_single()
59 static void jazz_esp_unmap_sg(struct esp *esp, struct scatterlist *sg,  in jazz_esp_unmap_sg()  argument
62 	dma_unmap_sg(esp->dev, sg, num_sg, dir);  in jazz_esp_unmap_sg()
65 static int jazz_esp_irq_pending(struct esp *esp)  in jazz_esp_irq_pending()  argument
67 	if (jazz_esp_read8(esp, ESP_STATUS) & ESP_STAT_INTR)  in jazz_esp_irq_pending()
72 static void jazz_esp_reset_dma(struct esp *esp)  in jazz_esp_reset_dma()  argument
74 	vdma_disable ((int)esp->dma_regs);  in jazz_esp_reset_dma()
77 static void jazz_esp_dma_drain(struct esp *esp)  in jazz_esp_dma_drain()  argument
82 static void jazz_esp_dma_invalidate(struct esp *esp)  in jazz_esp_dma_invalidate()  argument
84 	vdma_disable ((int)esp->dma_regs);  in jazz_esp_dma_invalidate()
87 static void jazz_esp_send_dma_cmd(struct esp *esp, u32 addr, u32 esp_count,  in jazz_esp_send_dma_cmd()  argument
92 	jazz_esp_write8(esp, (esp_count >> 0) & 0xff, ESP_TCLOW);  in jazz_esp_send_dma_cmd()
93 	jazz_esp_write8(esp, (esp_count >> 8) & 0xff, ESP_TCMED);  in jazz_esp_send_dma_cmd()
94 	vdma_disable ((int)esp->dma_regs);  in jazz_esp_send_dma_cmd()
96 		vdma_set_mode ((int)esp->dma_regs, DMA_MODE_READ);  in jazz_esp_send_dma_cmd()
98 		vdma_set_mode ((int)esp->dma_regs, DMA_MODE_WRITE);  in jazz_esp_send_dma_cmd()
100 	vdma_set_addr ((int)esp->dma_regs, addr);  in jazz_esp_send_dma_cmd()
101 	vdma_set_count ((int)esp->dma_regs, dma_count);  in jazz_esp_send_dma_cmd()
102 	vdma_enable ((int)esp->dma_regs);  in jazz_esp_send_dma_cmd()
104 	scsi_esp_cmd(esp, cmd);  in jazz_esp_send_dma_cmd()
107 static int jazz_esp_dma_error(struct esp *esp)  in jazz_esp_dma_error()  argument
109 	u32 enable = vdma_get_enable((int)esp->dma_regs);  in jazz_esp_dma_error()
136 	struct esp *esp;  in esp_jazz_probe()  local
140 	host = scsi_host_alloc(tpnt, sizeof(struct esp));  in esp_jazz_probe()
147 	esp = shost_priv(host);  in esp_jazz_probe()
149 	esp->host = host;  in esp_jazz_probe()
150 	esp->dev = dev;  in esp_jazz_probe()
151 	esp->ops = &jazz_esp_ops;  in esp_jazz_probe()
157 	esp->regs = (void __iomem *)res->start;  in esp_jazz_probe()
158 	if (!esp->regs)  in esp_jazz_probe()
165 	esp->dma_regs = (void __iomem *)res->start;  in esp_jazz_probe()
167 	esp->command_block = dma_alloc_coherent(esp->dev, 16,  in esp_jazz_probe()
168 						&esp->command_block_dma,  in esp_jazz_probe()
170 	if (!esp->command_block)  in esp_jazz_probe()
174 	err = request_irq(host->irq, scsi_esp_intr, IRQF_SHARED, "ESP", esp);  in esp_jazz_probe()
178 	esp->scsi_id = 7;  in esp_jazz_probe()
179 	esp->host->this_id = esp->scsi_id;  in esp_jazz_probe()
180 	esp->scsi_id_mask = (1 << esp->scsi_id);  in esp_jazz_probe()
181 	esp->cfreq = 40000000;  in esp_jazz_probe()
183 	dev_set_drvdata(&dev->dev, esp);  in esp_jazz_probe()
185 	err = scsi_esp_register(esp, &dev->dev);  in esp_jazz_probe()
192 	free_irq(host->irq, esp);  in esp_jazz_probe()
194 	dma_free_coherent(esp->dev, 16,  in esp_jazz_probe()
195 			  esp->command_block,  in esp_jazz_probe()
196 			  esp->command_block_dma);  in esp_jazz_probe()
206 	struct esp *esp = dev_get_drvdata(&dev->dev);  in esp_jazz_remove()  local
207 	unsigned int irq = esp->host->irq;  in esp_jazz_remove()
209 	scsi_esp_unregister(esp);  in esp_jazz_remove()
211 	free_irq(irq, esp);  in esp_jazz_remove()
212 	dma_free_coherent(esp->dev, 16,  in esp_jazz_remove()
213 			  esp->command_block,  in esp_jazz_remove()
214 			  esp->command_block_dma);  in esp_jazz_remove()
216 	scsi_host_put(esp->host);  in esp_jazz_remove()