79 	struct flexcop_pci *fc_pci = fc->bus_specific;  in flexcop_pci_read_ibi_reg()  local
81 	v.raw = readl(fc_pci->io_mem + r);  in flexcop_pci_read_ibi_reg()
94 	struct flexcop_pci *fc_pci = fc->bus_specific;  in flexcop_pci_write_ibi_reg()  local
101 	writel(v.raw, fc_pci->io_mem + r);  in flexcop_pci_write_ibi_reg()
107 	struct flexcop_pci *fc_pci =  in flexcop_pci_irq_check_work()  local
109 	struct flexcop_device *fc = fc_pci->fc_dev;  in flexcop_pci_irq_check_work()
113 		if (fc_pci->count == fc_pci->count_prev) {  in flexcop_pci_irq_check_work()
115 			if (fc_pci->stream_problem++ == 3) {  in flexcop_pci_irq_check_work()
131 				fc_pci->stream_problem = 0;  in flexcop_pci_irq_check_work()
134 			fc_pci->stream_problem = 0;  in flexcop_pci_irq_check_work()
135 			fc_pci->count_prev = fc_pci->count;  in flexcop_pci_irq_check_work()
139 	schedule_delayed_work(&fc_pci->irq_check_work,  in flexcop_pci_irq_check_work()
148 	struct flexcop_pci *fc_pci = dev_id;  in flexcop_pci_isr()  local
149 	struct flexcop_device *fc = fc_pci->fc_dev;  in flexcop_pci_isr()
154 	spin_lock_irqsave(&fc_pci->irq_lock, flags);  in flexcop_pci_isr()
167 	if ((fc_pci->count % 1000) == 0)  in flexcop_pci_isr()
168 		deb_chk("%d valid irq took place so far\n", fc_pci->count);  in flexcop_pci_isr()
171 		if (fc_pci->active_dma1_addr == 0)  in flexcop_pci_isr()
172 			flexcop_pass_dmx_packets(fc_pci->fc_dev,  in flexcop_pci_isr()
173 					fc_pci->dma[0].cpu_addr0,  in flexcop_pci_isr()
174 					fc_pci->dma[0].size / 188);  in flexcop_pci_isr()
176 			flexcop_pass_dmx_packets(fc_pci->fc_dev,  in flexcop_pci_isr()
177 					fc_pci->dma[0].cpu_addr1,  in flexcop_pci_isr()
178 					fc_pci->dma[0].size / 188);  in flexcop_pci_isr()
180 		deb_irq("page change to page: %d\n",!fc_pci->active_dma1_addr);  in flexcop_pci_isr()
181 		fc_pci->active_dma1_addr = !fc_pci->active_dma1_addr;  in flexcop_pci_isr()
187 		u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;  in flexcop_pci_isr()
190 				jiffies_to_usecs(jiffies - fc_pci->last_irq),  in flexcop_pci_isr()
192 				fc_pci->last_dma1_cur_pos);  in flexcop_pci_isr()
193 		fc_pci->last_irq = jiffies;  in flexcop_pci_isr()
198 		if (cur_pos < fc_pci->last_dma1_cur_pos) {  in flexcop_pci_isr()
200 				(fc_pci->dma[0].size*2 - 1) -  in flexcop_pci_isr()
201 				fc_pci->last_dma1_cur_pos);  in flexcop_pci_isr()
202 			flexcop_pass_dmx_data(fc_pci->fc_dev,  in flexcop_pci_isr()
203 				fc_pci->dma[0].cpu_addr0 +  in flexcop_pci_isr()
204 					fc_pci->last_dma1_cur_pos,  in flexcop_pci_isr()
205 				(fc_pci->dma[0].size*2) -  in flexcop_pci_isr()
206 					fc_pci->last_dma1_cur_pos);  in flexcop_pci_isr()
207 			fc_pci->last_dma1_cur_pos = 0;  in flexcop_pci_isr()
210 		if (cur_pos > fc_pci->last_dma1_cur_pos) {  in flexcop_pci_isr()
212 				cur_pos - fc_pci->last_dma1_cur_pos);  in flexcop_pci_isr()
213 			flexcop_pass_dmx_data(fc_pci->fc_dev,  in flexcop_pci_isr()
214 				fc_pci->dma[0].cpu_addr0 +  in flexcop_pci_isr()
215 					fc_pci->last_dma1_cur_pos,  in flexcop_pci_isr()
216 				cur_pos - fc_pci->last_dma1_cur_pos);  in flexcop_pci_isr()
220 		fc_pci->last_dma1_cur_pos = cur_pos;  in flexcop_pci_isr()
221 		fc_pci->count++;  in flexcop_pci_isr()
228 	spin_unlock_irqrestore(&fc_pci->irq_lock, flags);  in flexcop_pci_isr()
234 	struct flexcop_pci *fc_pci = fc->bus_specific;  in flexcop_pci_stream_control()  local
236 		flexcop_dma_config(fc, &fc_pci->dma[0], FC_DMA_1);  in flexcop_pci_stream_control()
237 		flexcop_dma_config(fc, &fc_pci->dma[1], FC_DMA_2);  in flexcop_pci_stream_control()
243 		fc_pci->last_dma1_cur_pos = 0;  in flexcop_pci_stream_control()
246 		fc_pci->count_prev = fc_pci->count;  in flexcop_pci_stream_control()
258 static int flexcop_pci_dma_init(struct flexcop_pci *fc_pci)  in flexcop_pci_dma_init()  argument
261 	ret = flexcop_dma_allocate(fc_pci->pdev, &fc_pci->dma[0],  in flexcop_pci_dma_init()
266 	ret = flexcop_dma_allocate(fc_pci->pdev, &fc_pci->dma[1],  in flexcop_pci_dma_init()
269 		flexcop_dma_free(&fc_pci->dma[0]);  in flexcop_pci_dma_init()
273 	flexcop_sram_set_dest(fc_pci->fc_dev, FC_SRAM_DEST_MEDIA |  in flexcop_pci_dma_init()
275 	flexcop_sram_set_dest(fc_pci->fc_dev, FC_SRAM_DEST_CAO |  in flexcop_pci_dma_init()
277 	fc_pci->init_state |= FC_PCI_DMA_INIT;  in flexcop_pci_dma_init()
281 static void flexcop_pci_dma_exit(struct flexcop_pci *fc_pci)  in flexcop_pci_dma_exit()  argument
283 	if (fc_pci->init_state & FC_PCI_DMA_INIT) {  in flexcop_pci_dma_exit()
284 		flexcop_dma_free(&fc_pci->dma[0]);  in flexcop_pci_dma_exit()
285 		flexcop_dma_free(&fc_pci->dma[1]);  in flexcop_pci_dma_exit()
287 	fc_pci->init_state &= ~FC_PCI_DMA_INIT;  in flexcop_pci_dma_exit()
290 static int flexcop_pci_init(struct flexcop_pci *fc_pci)  in flexcop_pci_init()  argument
294 	info("card revision %x", fc_pci->pdev->revision);  in flexcop_pci_init()
296 	if ((ret = pci_enable_device(fc_pci->pdev)) != 0)  in flexcop_pci_init()
298 	pci_set_master(fc_pci->pdev);  in flexcop_pci_init()
300 	if ((ret = pci_request_regions(fc_pci->pdev, DRIVER_NAME)) != 0)  in flexcop_pci_init()
303 	fc_pci->io_mem = pci_iomap(fc_pci->pdev, 0, 0x800);  in flexcop_pci_init()
305 	if (!fc_pci->io_mem) {  in flexcop_pci_init()
311 	pci_set_drvdata(fc_pci->pdev, fc_pci);  in flexcop_pci_init()
312 	spin_lock_init(&fc_pci->irq_lock);  in flexcop_pci_init()
313 	if ((ret = request_irq(fc_pci->pdev->irq, flexcop_pci_isr,  in flexcop_pci_init()
314 					IRQF_SHARED, DRIVER_NAME, fc_pci)) != 0)  in flexcop_pci_init()
317 	fc_pci->init_state |= FC_PCI_INIT;  in flexcop_pci_init()
321 	pci_iounmap(fc_pci->pdev, fc_pci->io_mem);  in flexcop_pci_init()
323 	pci_release_regions(fc_pci->pdev);  in flexcop_pci_init()
325 	pci_disable_device(fc_pci->pdev);  in flexcop_pci_init()
329 static void flexcop_pci_exit(struct flexcop_pci *fc_pci)  in flexcop_pci_exit()  argument
331 	if (fc_pci->init_state & FC_PCI_INIT) {  in flexcop_pci_exit()
332 		free_irq(fc_pci->pdev->irq, fc_pci);  in flexcop_pci_exit()
333 		pci_iounmap(fc_pci->pdev, fc_pci->io_mem);  in flexcop_pci_exit()
334 		pci_release_regions(fc_pci->pdev);  in flexcop_pci_exit()
335 		pci_disable_device(fc_pci->pdev);  in flexcop_pci_exit()
337 	fc_pci->init_state &= ~FC_PCI_INIT;  in flexcop_pci_exit()
344 	struct flexcop_pci *fc_pci;  in flexcop_pci_probe()  local
353 	fc_pci = fc->bus_specific;  in flexcop_pci_probe()
354 	fc_pci->fc_dev = fc;  in flexcop_pci_probe()
373 	fc_pci->pdev = pdev;  in flexcop_pci_probe()
374 	if ((ret = flexcop_pci_init(fc_pci)) != 0)  in flexcop_pci_probe()
382 	if ((ret = flexcop_pci_dma_init(fc_pci)) != 0)  in flexcop_pci_probe()
385 	INIT_DELAYED_WORK(&fc_pci->irq_check_work, flexcop_pci_irq_check_work);  in flexcop_pci_probe()
388 		schedule_delayed_work(&fc_pci->irq_check_work,  in flexcop_pci_probe()
397 	flexcop_pci_exit(fc_pci);  in flexcop_pci_probe()
408 	struct flexcop_pci *fc_pci = pci_get_drvdata(pdev);  in flexcop_pci_remove()  local
411 		cancel_delayed_work(&fc_pci->irq_check_work);  in flexcop_pci_remove()
413 	flexcop_pci_dma_exit(fc_pci);  in flexcop_pci_remove()
414 	flexcop_device_exit(fc_pci->fc_dev);  in flexcop_pci_remove()
415 	flexcop_pci_exit(fc_pci);  in flexcop_pci_remove()
416 	flexcop_device_kfree(fc_pci->fc_dev);  in flexcop_pci_remove()