53 static void ddb_irq_disable(struct ddb *dev)  in ddb_irq_disable()  argument
55 	ddbwritel(dev, 0, INTERRUPT_ENABLE);  in ddb_irq_disable()
56 	ddbwritel(dev, 0, MSI1_ENABLE);  in ddb_irq_disable()
59 static void ddb_msi_exit(struct ddb *dev)  in ddb_msi_exit()  argument
62 	if (dev->msi)  in ddb_msi_exit()
63 		pci_free_irq_vectors(dev->pdev);  in ddb_msi_exit()
67 static void ddb_irq_exit(struct ddb *dev)  in ddb_irq_exit()  argument
69 	ddb_irq_disable(dev);  in ddb_irq_exit()
70 	if (dev->msi == 2)  in ddb_irq_exit()
71 		free_irq(pci_irq_vector(dev->pdev, 1), dev);  in ddb_irq_exit()
72 	free_irq(pci_irq_vector(dev->pdev, 0), dev);  in ddb_irq_exit()
77 	struct ddb *dev = (struct ddb *)pci_get_drvdata(pdev);  in ddb_remove()  local
79 	ddb_device_destroy(dev);  in ddb_remove()
80 	ddb_ports_detach(dev);  in ddb_remove()
81 	ddb_i2c_release(dev);  in ddb_remove()
83 	ddb_irq_exit(dev);  in ddb_remove()
84 	ddb_msi_exit(dev);  in ddb_remove()
85 	ddb_ports_release(dev);  in ddb_remove()
86 	ddb_buffers_free(dev);  in ddb_remove()
88 	ddb_unmap(dev);  in ddb_remove()
94 static void ddb_irq_msi(struct ddb *dev, int nr)  in ddb_irq_msi()  argument
99 		stat = pci_alloc_irq_vectors(dev->pdev, 1, nr,  in ddb_irq_msi()
102 			dev->msi = stat;  in ddb_irq_msi()
103 			dev_info(dev->dev, "using %d MSI interrupt(s)\n",  in ddb_irq_msi()
104 				 dev->msi);  in ddb_irq_msi()
106 			dev_info(dev->dev, "MSI not available.\n");  in ddb_irq_msi()
112 static int ddb_irq_init(struct ddb *dev)  in ddb_irq_init()  argument
117 	ddbwritel(dev, 0x00000000, INTERRUPT_ENABLE);  in ddb_irq_init()
118 	ddbwritel(dev, 0x00000000, MSI1_ENABLE);  in ddb_irq_init()
119 	ddbwritel(dev, 0x00000000, MSI2_ENABLE);  in ddb_irq_init()
120 	ddbwritel(dev, 0x00000000, MSI3_ENABLE);  in ddb_irq_init()
121 	ddbwritel(dev, 0x00000000, MSI4_ENABLE);  in ddb_irq_init()
122 	ddbwritel(dev, 0x00000000, MSI5_ENABLE);  in ddb_irq_init()
123 	ddbwritel(dev, 0x00000000, MSI6_ENABLE);  in ddb_irq_init()
124 	ddbwritel(dev, 0x00000000, MSI7_ENABLE);  in ddb_irq_init()
127 	ddb_irq_msi(dev, 2);  in ddb_irq_init()
129 	if (dev->msi)  in ddb_irq_init()
131 	if (dev->msi == 2) {  in ddb_irq_init()
132 		stat = request_irq(pci_irq_vector(dev->pdev, 0),  in ddb_irq_init()
134 				   (void *)dev);  in ddb_irq_init()
137 		stat = request_irq(pci_irq_vector(dev->pdev, 1),  in ddb_irq_init()
139 				   (void *)dev);  in ddb_irq_init()
141 			free_irq(pci_irq_vector(dev->pdev, 0), dev);  in ddb_irq_init()
147 		stat = request_irq(pci_irq_vector(dev->pdev, 0),  in ddb_irq_init()
149 				   (void *)dev);  in ddb_irq_init()
153 	if (dev->msi == 2) {  in ddb_irq_init()
154 		ddbwritel(dev, 0x0fffff00, INTERRUPT_ENABLE);  in ddb_irq_init()
155 		ddbwritel(dev, 0x0000000f, MSI1_ENABLE);  in ddb_irq_init()
157 		ddbwritel(dev, 0x0fffff0f, INTERRUPT_ENABLE);  in ddb_irq_init()
158 		ddbwritel(dev, 0x00000000, MSI1_ENABLE);  in ddb_irq_init()
166 	struct ddb *dev;  in ddb_probe()  local
174 	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)))  in ddb_probe()
175 		if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)))  in ddb_probe()
178 	dev = vzalloc(sizeof(*dev));  in ddb_probe()
179 	if (!dev)  in ddb_probe()
182 	mutex_init(&dev->mutex);  in ddb_probe()
183 	dev->has_dma = 1;  in ddb_probe()
184 	dev->pdev = pdev;  in ddb_probe()
185 	dev->dev = &pdev->dev;  in ddb_probe()
186 	pci_set_drvdata(pdev, dev);  in ddb_probe()
188 	dev->link[0].ids.vendor = id->vendor;  in ddb_probe()
189 	dev->link[0].ids.device = id->device;  in ddb_probe()
190 	dev->link[0].ids.subvendor = id->subvendor;  in ddb_probe()
191 	dev->link[0].ids.subdevice = pdev->subsystem_device;  in ddb_probe()
192 	dev->link[0].ids.devid = (id->device << 16) | id->vendor;  in ddb_probe()
194 	dev->link[0].dev = dev;  in ddb_probe()
195 	dev->link[0].info = get_ddb_info(id->vendor, id->device,  in ddb_probe()
198 	dev_info(&pdev->dev, "detected %s\n", dev->link[0].info->name);  in ddb_probe()
200 	dev->regs_len = pci_resource_len(dev->pdev, 0);  in ddb_probe()
201 	dev->regs = ioremap(pci_resource_start(dev->pdev, 0),  in ddb_probe()
202 			    pci_resource_len(dev->pdev, 0));  in ddb_probe()
204 	if (!dev->regs) {  in ddb_probe()
205 		dev_err(&pdev->dev, "not enough memory for register map\n");  in ddb_probe()
209 	if (ddbreadl(dev, 0) == 0xffffffff) {  in ddb_probe()
210 		dev_err(&pdev->dev, "cannot read registers\n");  in ddb_probe()
215 	dev->link[0].ids.hwid = ddbreadl(dev, 0);  in ddb_probe()
216 	dev->link[0].ids.regmapid = ddbreadl(dev, 4);  in ddb_probe()
218 	dev_info(&pdev->dev, "HW %08x REGMAP %08x\n",  in ddb_probe()
219 		 dev->link[0].ids.hwid, dev->link[0].ids.regmapid);  in ddb_probe()
221 	ddbwritel(dev, 0, DMA_BASE_READ);  in ddb_probe()
222 	ddbwritel(dev, 0, DMA_BASE_WRITE);  in ddb_probe()
224 	stat = ddb_irq_init(dev);  in ddb_probe()
228 	if (ddb_init(dev) == 0)  in ddb_probe()
231 	ddb_irq_exit(dev);  in ddb_probe()
233 	dev_err(&pdev->dev, "fail0\n");  in ddb_probe()
234 	ddb_msi_exit(dev);  in ddb_probe()
236 	dev_err(&pdev->dev, "fail\n");  in ddb_probe()
238 	ddb_unmap(dev);  in ddb_probe()