32 static void jazz_esp_write8(struct esp *esp, u8 val, unsigned long reg)  in jazz_esp_write8()  argument
34 	*(volatile u8 *)(esp->regs + reg) = val;  in jazz_esp_write8()
37 static u8 jazz_esp_read8(struct esp *esp, unsigned long reg)  in jazz_esp_read8()  argument
39 	return *(volatile u8 *)(esp->regs + reg);  in jazz_esp_read8()
42 static int jazz_esp_irq_pending(struct esp *esp)  in jazz_esp_irq_pending()  argument
44 	if (jazz_esp_read8(esp, ESP_STATUS) & ESP_STAT_INTR)  in jazz_esp_irq_pending()
49 static void jazz_esp_reset_dma(struct esp *esp)  in jazz_esp_reset_dma()  argument
51 	vdma_disable ((int)esp->dma_regs);  in jazz_esp_reset_dma()
54 static void jazz_esp_dma_drain(struct esp *esp)  in jazz_esp_dma_drain()  argument
59 static void jazz_esp_dma_invalidate(struct esp *esp)  in jazz_esp_dma_invalidate()  argument
61 	vdma_disable ((int)esp->dma_regs);  in jazz_esp_dma_invalidate()
64 static void jazz_esp_send_dma_cmd(struct esp *esp, u32 addr, u32 esp_count,  in jazz_esp_send_dma_cmd()  argument
69 	jazz_esp_write8(esp, (esp_count >> 0) & 0xff, ESP_TCLOW);  in jazz_esp_send_dma_cmd()
70 	jazz_esp_write8(esp, (esp_count >> 8) & 0xff, ESP_TCMED);  in jazz_esp_send_dma_cmd()
71 	vdma_disable ((int)esp->dma_regs);  in jazz_esp_send_dma_cmd()
73 		vdma_set_mode ((int)esp->dma_regs, DMA_MODE_READ);  in jazz_esp_send_dma_cmd()
75 		vdma_set_mode ((int)esp->dma_regs, DMA_MODE_WRITE);  in jazz_esp_send_dma_cmd()
77 	vdma_set_addr ((int)esp->dma_regs, addr);  in jazz_esp_send_dma_cmd()
78 	vdma_set_count ((int)esp->dma_regs, dma_count);  in jazz_esp_send_dma_cmd()
79 	vdma_enable ((int)esp->dma_regs);  in jazz_esp_send_dma_cmd()
81 	scsi_esp_cmd(esp, cmd);  in jazz_esp_send_dma_cmd()
84 static int jazz_esp_dma_error(struct esp *esp)  in jazz_esp_dma_error()  argument
86 	u32 enable = vdma_get_enable((int)esp->dma_regs);  in jazz_esp_dma_error()
109 	struct esp *esp;  in esp_jazz_probe()  local
113 	host = scsi_host_alloc(tpnt, sizeof(struct esp));  in esp_jazz_probe()
120 	esp = shost_priv(host);  in esp_jazz_probe()
122 	esp->host = host;  in esp_jazz_probe()
123 	esp->dev = &dev->dev;  in esp_jazz_probe()
124 	esp->ops = &jazz_esp_ops;  in esp_jazz_probe()
130 	esp->regs = (void __iomem *)res->start;  in esp_jazz_probe()
131 	if (!esp->regs)  in esp_jazz_probe()
138 	esp->dma_regs = (void __iomem *)res->start;  in esp_jazz_probe()
140 	esp->command_block = dma_alloc_coherent(esp->dev, 16,  in esp_jazz_probe()
141 						&esp->command_block_dma,  in esp_jazz_probe()
143 	if (!esp->command_block)  in esp_jazz_probe()
149 	err = request_irq(host->irq, scsi_esp_intr, IRQF_SHARED, "ESP", esp);  in esp_jazz_probe()
153 	esp->scsi_id = 7;  in esp_jazz_probe()
154 	esp->host->this_id = esp->scsi_id;  in esp_jazz_probe()
155 	esp->scsi_id_mask = (1 << esp->scsi_id);  in esp_jazz_probe()
156 	esp->cfreq = 40000000;  in esp_jazz_probe()
158 	dev_set_drvdata(&dev->dev, esp);  in esp_jazz_probe()
160 	err = scsi_esp_register(esp);  in esp_jazz_probe()
167 	free_irq(host->irq, esp);  in esp_jazz_probe()
169 	dma_free_coherent(esp->dev, 16,  in esp_jazz_probe()
170 			  esp->command_block,  in esp_jazz_probe()
171 			  esp->command_block_dma);  in esp_jazz_probe()
181 	struct esp *esp = dev_get_drvdata(&dev->dev);  in esp_jazz_remove()  local
182 	unsigned int irq = esp->host->irq;  in esp_jazz_remove()
184 	scsi_esp_unregister(esp);  in esp_jazz_remove()
186 	free_irq(irq, esp);  in esp_jazz_remove()
187 	dma_free_coherent(esp->dev, 16,  in esp_jazz_remove()
188 			  esp->command_block,  in esp_jazz_remove()
189 			  esp->command_block_dma);  in esp_jazz_remove()
191 	scsi_host_put(esp->host);  in esp_jazz_remove()