66 	struct ti_am335x_xbar_data *xbar = dev_get_drvdata(dev);  in ti_am335x_xbar_free()  local
72 	ti_am335x_xbar_write(xbar->iomem, map->dma_line, 0);  in ti_am335x_xbar_free()
80 	struct ti_am335x_xbar_data *xbar = platform_get_drvdata(pdev);  in ti_am335x_xbar_route_allocate()  local
86 	if (dma_spec->args[2] >= xbar->xbar_events) {  in ti_am335x_xbar_route_allocate()
92 	if (dma_spec->args[0] >= xbar->dma_requests) {  in ti_am335x_xbar_route_allocate()
120 	ti_am335x_xbar_write(xbar->iomem, map->dma_line, map->mux_val);  in ti_am335x_xbar_route_allocate()
135 	struct ti_am335x_xbar_data *xbar;  in ti_am335x_xbar_probe()  local
142 	xbar = devm_kzalloc(&pdev->dev, sizeof(*xbar), GFP_KERNEL);  in ti_am335x_xbar_probe()
143 	if (!xbar)  in ti_am335x_xbar_probe()
160 				 &xbar->dma_requests)) {  in ti_am335x_xbar_probe()
164 		xbar->dma_requests = TI_AM335X_XBAR_LINES;  in ti_am335x_xbar_probe()
168 	if (of_property_read_u32(node, "dma-requests", &xbar->xbar_events)) {  in ti_am335x_xbar_probe()
172 		xbar->xbar_events = TI_AM335X_XBAR_LINES;  in ti_am335x_xbar_probe()
179 	xbar->iomem = iomem;  in ti_am335x_xbar_probe()
181 	xbar->dmarouter.dev = &pdev->dev;  in ti_am335x_xbar_probe()
182 	xbar->dmarouter.route_free = ti_am335x_xbar_free;  in ti_am335x_xbar_probe()
184 	platform_set_drvdata(pdev, xbar);  in ti_am335x_xbar_probe()
187 	for (i = 0; i < xbar->dma_requests; i++)  in ti_am335x_xbar_probe()
188 		ti_am335x_xbar_write(xbar->iomem, i, 0);  in ti_am335x_xbar_probe()
191 				     &xbar->dmarouter);  in ti_am335x_xbar_probe()
218 static inline void ti_dra7_xbar_write(void __iomem *iomem, int xbar, u16 val)  in ti_dra7_xbar_write()  argument
220 	writew_relaxed(val, iomem + (xbar * 2));  in ti_dra7_xbar_write()
225 	struct ti_dra7_xbar_data *xbar = dev_get_drvdata(dev);  in ti_dra7_xbar_free()  local
231 	ti_dra7_xbar_write(xbar->iomem, map->xbar_out, xbar->safe_val);  in ti_dra7_xbar_free()
232 	mutex_lock(&xbar->mutex);  in ti_dra7_xbar_free()
233 	clear_bit(map->xbar_out, xbar->dma_inuse);  in ti_dra7_xbar_free()
234 	mutex_unlock(&xbar->mutex);  in ti_dra7_xbar_free()
242 	struct ti_dra7_xbar_data *xbar = platform_get_drvdata(pdev);  in ti_dra7_xbar_route_allocate()  local
245 	if (dma_spec->args[0] >= xbar->xbar_requests) {  in ti_dra7_xbar_route_allocate()
267 	mutex_lock(&xbar->mutex);  in ti_dra7_xbar_route_allocate()
268 	map->xbar_out = find_first_zero_bit(xbar->dma_inuse,  in ti_dra7_xbar_route_allocate()
269 					    xbar->dma_requests);  in ti_dra7_xbar_route_allocate()
270 	if (map->xbar_out == xbar->dma_requests) {  in ti_dra7_xbar_route_allocate()
271 		mutex_unlock(&xbar->mutex);  in ti_dra7_xbar_route_allocate()
278 	set_bit(map->xbar_out, xbar->dma_inuse);  in ti_dra7_xbar_route_allocate()
279 	mutex_unlock(&xbar->mutex);  in ti_dra7_xbar_route_allocate()
283 	dma_spec->args[0] = map->xbar_out + xbar->dma_offset;  in ti_dra7_xbar_route_allocate()
288 	ti_dra7_xbar_write(xbar->iomem, map->xbar_out, map->xbar_in);  in ti_dra7_xbar_route_allocate()
327 	struct ti_dra7_xbar_data *xbar;  in ti_dra7_xbar_probe()  local
337 	xbar = devm_kzalloc(&pdev->dev, sizeof(*xbar), GFP_KERNEL);  in ti_dra7_xbar_probe()
338 	if (!xbar)  in ti_dra7_xbar_probe()
355 				 &xbar->dma_requests)) {  in ti_dra7_xbar_probe()
359 		xbar->dma_requests = TI_DRA7_XBAR_OUTPUTS;  in ti_dra7_xbar_probe()
363 	xbar->dma_inuse = devm_kcalloc(&pdev->dev,  in ti_dra7_xbar_probe()
364 				       BITS_TO_LONGS(xbar->dma_requests),  in ti_dra7_xbar_probe()
366 	if (!xbar->dma_inuse)  in ti_dra7_xbar_probe()
369 	if (of_property_read_u32(node, "dma-requests", &xbar->xbar_requests)) {  in ti_dra7_xbar_probe()
373 		xbar->xbar_requests = TI_DRA7_XBAR_INPUTS;  in ti_dra7_xbar_probe()
377 		xbar->safe_val = (u16)safe_val;  in ti_dra7_xbar_probe()
403 					     xbar->dma_inuse);  in ti_dra7_xbar_probe()
412 	xbar->iomem = iomem;  in ti_dra7_xbar_probe()
414 	xbar->dmarouter.dev = &pdev->dev;  in ti_dra7_xbar_probe()
415 	xbar->dmarouter.route_free = ti_dra7_xbar_free;  in ti_dra7_xbar_probe()
416 	xbar->dma_offset = *(u32 *)match->data;  in ti_dra7_xbar_probe()
418 	mutex_init(&xbar->mutex);  in ti_dra7_xbar_probe()
419 	platform_set_drvdata(pdev, xbar);  in ti_dra7_xbar_probe()
422 	for (i = 0; i < xbar->dma_requests; i++) {  in ti_dra7_xbar_probe()
423 		if (!test_bit(i, xbar->dma_inuse))  in ti_dra7_xbar_probe()
424 			ti_dra7_xbar_write(xbar->iomem, i, xbar->safe_val);  in ti_dra7_xbar_probe()
428 				     &xbar->dmarouter);  in ti_dra7_xbar_probe()
431 		for (i = 0; i < xbar->dma_requests; i++) {  in ti_dra7_xbar_probe()
432 			if (!test_bit(i, xbar->dma_inuse))  in ti_dra7_xbar_probe()
433 				ti_dra7_xbar_write(xbar->iomem, i, i);  in ti_dra7_xbar_probe()