1 // SPDX-License-Identifier: GPL-2.0-only
3  * OMAP1/OMAP7xx - specific DMA driver
5  * Copyright (C) 2003 - 2008 Nokia Corporation
10  * OMAP2/3 support Copyright (C) 2004-2007 Texas Instruments, Inc.
11  * Some functions based on earlier dma-omap.c Copyright (C) 2001 RidgeRun, Inc.
13  * Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com/
15  *                   - G, Manjunath Kondaiah <manjugk@ti.com>
24 #include <linux/dma-mapping.h>
26 #include <linux/omap-dma.h>
82 		.end	= OMAP1_DMA_BASE + SZ_2K - 1,
95 	[3] = {
101 		.name   = "3",
237 		w |= 1 << 3;  in omap1_show_dma_caps()
257 	.name = "omap-dma-engine",
258 	.id = -1,
266 	{ "omap-mcbsp.1", "tx", SDMA_FILTER_PARAM(8) },
267 	{ "omap-mcbsp.1", "rx", SDMA_FILTER_PARAM(9) },
268 	{ "omap-mcbsp.2", "tx", SDMA_FILTER_PARAM(10) },
269 	{ "omap-mcbsp.2", "rx", SDMA_FILTER_PARAM(11) },
270 	{ "mmci-omap.0", "tx", SDMA_FILTER_PARAM(21) },
271 	{ "mmci-omap.0", "rx", SDMA_FILTER_PARAM(22) },
275 	{ "omap_udc", "tx0", SDMA_FILTER_PARAM(29) },
282 	{ "omap-mcbsp.1", "tx", SDMA_FILTER_PARAM(8) },
283 	{ "omap-mcbsp.1", "rx", SDMA_FILTER_PARAM(9) },
284 	{ "omap-mcbsp.3", "tx", SDMA_FILTER_PARAM(10) },
285 	{ "omap-mcbsp.3", "rx", SDMA_FILTER_PARAM(11) },
286 	{ "omap-mcbsp.2", "tx", SDMA_FILTER_PARAM(16) },
287 	{ "omap-mcbsp.2", "rx", SDMA_FILTER_PARAM(17) },
288 	{ "mmci-omap.0", "tx", SDMA_FILTER_PARAM(21) },
289 	{ "mmci-omap.0", "rx", SDMA_FILTER_PARAM(22) },
293 	{ "omap_udc", "tx0", SDMA_FILTER_PARAM(29) },
296 	{ "mmci-omap.1", "tx", SDMA_FILTER_PARAM(54) },
297 	{ "mmci-omap.1", "rx", SDMA_FILTER_PARAM(55) },
321 		return -ENOMEM;  in omap1_system_dma_init()
327 		ret = -ENODEV;  in omap1_system_dma_init()
333 		dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n",  in omap1_system_dma_init()
334 			__func__, pdev->name, pdev->id);  in omap1_system_dma_init()
340 		ret = -ENOMEM;  in omap1_system_dma_init()
346 		d->dev_caps = ENABLE_1510_MODE;  in omap1_system_dma_init()
347 	enable_1510_mode = d->dev_caps & ENABLE_1510_MODE;  in omap1_system_dma_init()
350 		d->dev_caps = ENABLE_16XX_MODE;  in omap1_system_dma_init()
352 	d->dev_caps		|= SRC_PORT;  in omap1_system_dma_init()
353 	d->dev_caps		|= DST_PORT;  in omap1_system_dma_init()
354 	d->dev_caps		|= SRC_INDEX;  in omap1_system_dma_init()
355 	d->dev_caps		|= DST_INDEX;  in omap1_system_dma_init()
356 	d->dev_caps		|= IS_BURST_ONLY4;  in omap1_system_dma_init()
357 	d->dev_caps		|= CLEAR_CSR_ON_READ;  in omap1_system_dma_init()
358 	d->dev_caps		|= IS_WORD_16;  in omap1_system_dma_init()
362 		d->lch_count = 9;  in omap1_system_dma_init()
364 		if (d->dev_caps & ENABLE_1510_MODE)  in omap1_system_dma_init()
365 			d->lch_count = 9;  in omap1_system_dma_init()
367 			d->lch_count = 16;  in omap1_system_dma_init()
384 		dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n",  in omap1_system_dma_init()
385 			__func__, pdev->name, pdev->id);  in omap1_system_dma_init()
391 		dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n",  in omap1_system_dma_init()
392 			__func__, pdev->name, pdev->id);  in omap1_system_dma_init()