1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef _PARISC_DMA_MAPPING_H
3 #define _PARISC_DMA_MAPPING_H
4
5 /*
6 ** We need to support 4 different coherent dma
7 **
8 ** I/O MMU consistent method
9 ** ============= ======================
10 ** a) PA-7x00LC uncachable host memory
11 ** b) U2/Uturn cachable host memory
12 ** c) Ike/Astro cachable host memory
13 ** d) EPIC/SAGA memory on EPIC/SAGA
14 **
15 ** PA-7[13]00LC processors have a GSC bus inte
16 **
17 ** Systems (eg PCX-T workstations) that don't
18 ** categories will need to modify the needed d
19 ** flush/purge and allocate "regular" cacheabl
20 */
21
22 extern const struct dma_map_ops *hppa_dma_ops;
23
24 static inline const struct dma_map_ops *get_ar
25 {
26 return hppa_dma_ops;
27 }
28
29 #endif
30
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