18 #include <linux/dma/ipu-dma.h>
23  * Register read / write - shall be inlined by the compiler
27 	return __raw_readl(ipu->reg_ipu + reg);  in ipu_read_reg()
32 	__raw_writel(value, ipu->reg_ipu + reg);  in ipu_write_reg()
98 	struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);  in ipu_irq_unmask()  local
105 	bank = map->bank;  in ipu_irq_unmask()
108 		pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);  in ipu_irq_unmask()
112 	reg = ipu_read_reg(bank->ipu, bank->control);  in ipu_irq_unmask()
113 	reg |= (1UL << (map->source & 31));  in ipu_irq_unmask()
114 	ipu_write_reg(bank->ipu, reg, bank->control);  in ipu_irq_unmask()
121 	struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);  in ipu_irq_mask()  local
128 	bank = map->bank;  in ipu_irq_mask()
131 		pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);  in ipu_irq_mask()
135 	reg = ipu_read_reg(bank->ipu, bank->control);  in ipu_irq_mask()
136 	reg &= ~(1UL << (map->source & 31));  in ipu_irq_mask()
137 	ipu_write_reg(bank->ipu, reg, bank->control);  in ipu_irq_mask()
144 	struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);  in ipu_irq_ack()  local
150 	bank = map->bank;  in ipu_irq_ack()
153 		pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);  in ipu_irq_ack()
157 	ipu_write_reg(bank->ipu, 1UL << (map->source & 31), bank->status);  in ipu_irq_ack()
162  * ipu_irq_status() - returns the current interrupt status of the specified IRQ.
163  * @irq:	interrupt line to get status for.
164  * @return:	true if the interrupt is pending/asserted or false if the
165  *		interrupt is not pending.
169 	struct ipu_irq_map *map = irq_get_chip_data(irq);  in ipu_irq_status()  local
175 	bank = map->bank;  in ipu_irq_status()
176 	ret = bank && ipu_read_reg(bank->ipu, bank->status) &  in ipu_irq_status()
177 		(1UL << (map->source & 31));  in ipu_irq_status()
184  * ipu_irq_map() - map an IPU interrupt source to an IRQ number
185  * @source:	interrupt source bit position (see below)
189  * sources, they are broken down in 5 32-bit registers, like 32, 32, 24, 32, 17.
191  * the possible IRQ, but rather its bit position. So, first interrupt in fourth
194  * with any interrupt bit assignments.
198 	int i, ret = -ENOMEM;  in ipu_irq_map()
199 	struct ipu_irq_map *map;  in ipu_irq_map()  local
204 	map = src2map(source);  in ipu_irq_map()
205 	if (map) {  in ipu_irq_map()
206 		pr_err("IPU: Source %u already mapped to IRQ %u\n", source, map->irq);  in ipu_irq_map()
207 		ret = -EBUSY;  in ipu_irq_map()
230 		pr_err("IPU: couldn't map source %u: %d\n", source, ret);  in ipu_irq_map()
236  * ipu_irq_map() - map an IPU interrupt source to an IRQ number
237  * @source:	interrupt source bit position (see ipu_irq_map())
242 	int i, ret = -EINVAL;  in ipu_irq_unmap()
255 			irq_map[i].source = -EINVAL;  in ipu_irq_unmap()
268 /* Chained IRQ handler for IPU function and error interrupt */
279 		status = ipu_read_reg(ipu, bank->status);  in ipu_irq_handler()
282 		 * be acked by ->handle_irq() (handle_level_irq). However, we  in ipu_irq_handler()
285 		status &= ipu_read_reg(ipu, bank->control);  in ipu_irq_handler()
288 			struct ipu_irq_map *map;  in ipu_irq_handler()  local
291 			line--;  in ipu_irq_handler()
295 			map = src2map(32 * i + line);  in ipu_irq_handler()
296 			if (!map) {  in ipu_irq_handler()
298 				pr_err("IPU: Interrupt on unmapped source %u bank %d\n",  in ipu_irq_handler()
302 			irq = map->irq;  in ipu_irq_handler()
320 	int irq_base = irq_alloc_descs(-1, 0, CONFIG_MX3_IPU_IRQS,  in ipu_irq_attach_irq()
341 		irq_map[i].source = -EINVAL;  in ipu_irq_attach_irq()
346 	irq_set_chained_handler_and_data(ipu->irq_fn, ipu_irq_handler, ipu);  in ipu_irq_attach_irq()
348 	irq_set_chained_handler_and_data(ipu->irq_err, ipu_irq_handler, ipu);  in ipu_irq_attach_irq()
350 	ipu->irq_base = irq_base;  in ipu_irq_attach_irq()
359 	irq_base = ipu->irq_base;  in ipu_irq_detach_irq()
361 	irq_set_chained_handler_and_data(ipu->irq_fn, NULL, NULL);  in ipu_irq_detach_irq()
363 	irq_set_chained_handler_and_data(ipu->irq_err, NULL, NULL);  in ipu_irq_detach_irq()