Cross Reference: /drivers/irqchip/irq-crossbar.c

Lines Matching refs:cb
45 static struct crossbar_device *cb;
49 	writel(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);
54 	writew(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);
59 	writeb(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);
66 	for (i = cb->int_max - 1; i >= 0; i--)
67 		if (cb->irq_map[i] == cb_no)
77 	for (i = cb->int_max - 1; i >= 0; i--) {
78 		if (cb->irq_map[i] == IRQ_FREE) {
79 			cb->irq_map[i] = cb_no;
92 		cb_no = cb->irq_map[hw - GIC_IRQ_START];
104 		cb->write(hw - GIC_IRQ_START, cb->irq_map[hw - GIC_IRQ_START]);
125 		cb->irq_map[hw - GIC_IRQ_START] = IRQ_FREE;
126 		cb->write(hw - GIC_IRQ_START, cb->safe_map);
140 	if (req_num >= cb->max_crossbar_sources) {
141 		direct_map_num = req_num - cb->max_crossbar_sources;
142 		if (direct_map_num < cb->int_max) {
143 			ret = cb->irq_map[direct_map_num];
152 		       __func__, req_num, cb->max_crossbar_sources);
182 	cb = kzalloc(sizeof(*cb), GFP_KERNEL);
184 	if (!cb)
187 	cb->crossbar_base = of_iomap(node, 0);
188 	if (!cb->crossbar_base)
192 			     &cb->max_crossbar_sources);
193 	if (!cb->max_crossbar_sources) {
205 	cb->irq_map = kcalloc(max, sizeof(int), GFP_KERNEL);
206 	if (!cb->irq_map)
209 	cb->int_max = max;
212 		cb->irq_map[i] = IRQ_FREE;
228 			cb->irq_map[entry] = IRQ_RESERVED;
246 			cb->irq_map[entry] = IRQ_SKIP;
251 	cb->register_offsets = kcalloc(max, sizeof(int), GFP_KERNEL);
252 	if (!cb->register_offsets)
259 		cb->write = crossbar_writeb;
262 		cb->write = crossbar_writew;
265 		cb->write = crossbar_writel;
279 		if (cb->irq_map[i] == IRQ_RESERVED)
282 		cb->register_offsets[i] = reserved;
286 	of_property_read_u32(node, "ti,irqs-safe-map", &cb->safe_map);
289 		if (cb->irq_map[i] == IRQ_RESERVED ||
290 		    cb->irq_map[i] == IRQ_SKIP)
293 		cb->write(i, cb->safe_map);
300 	kfree(cb->register_offsets);
302 	kfree(cb->irq_map);
304 	iounmap(cb->crossbar_base);
306 	kfree(cb);
308 	cb = NULL;