1 # SPDX-License-Identifier: GPL-2.0
2 menu "DMA support"
3
4
5 config SH_DMA
6 bool "SuperH on-chip DMA controller (D
7 depends on CPU_SH3 || CPU_SH4
8 default n
9
10 config SH_DMA_IRQ_MULTI
11 bool
12 depends on SH_DMA
13 default y if CPU_SUBTYPE_SH7750 || CP
14 CPU_SUBTYPE_SH7750S || CP
15 CPU_SUBTYPE_SH7751R || CP
16 CPU_SUBTYPE_SH7763 || CP
17 CPU_SUBTYPE_SH7785 || CP
18
19 config SH_DMA_API
20 depends on SH_DMA
21 bool "SuperH DMA API support"
22 default n
23 help
24 SH_DMA_API always enabled DMA API of
25 If you want to use DMA ENGINE, you m
26 Please enable DMA_ENGINE and SH_DMAE
27
28 config NR_ONCHIP_DMA_CHANNELS
29 int
30 depends on SH_DMA
31 default "4" if CPU_SUBTYPE_SH7709 || C
32 CPU_SUBTYPE_SH7750S ||
33 CPU_SUBTYPE_SH7091
34 default "8" if CPU_SUBTYPE_SH7750R ||
35 CPU_SUBTYPE_SH7760
36 default "12" if CPU_SUBTYPE_SH7723 ||
37 CPU_SUBTYPE_SH7780 ||
38 default "6"
39 help
40 This allows you to specify the numbe
41 DMAC supports. This will be 4 for SH
42 8 for SH7750R/SH7751R/SH7760, and 12
43 Default is 6.
44
45 config SH_DMABRG
46 bool "SH7760 DMABRG support"
47 depends on CPU_SUBTYPE_SH7760
48 help
49 The DMABRG does data transfers from
50 of the SH7760.
51 Say Y if you want to use Audio/USB D
52
53 config PVR2_DMA
54 tristate "PowerVR 2 DMAC support"
55 depends on SH_DREAMCAST && SH_DMA
56 help
57 Selecting this will enable support f
58 As this chains off of the on-chip DM
59 enabled by default.
60
61 This is primarily used by the pvr2fb
62 certain optimizations, but is not ne
63
64 If in doubt, say N.
65
66 config G2_DMA
67 tristate "G2 Bus DMA support"
68 depends on SH_DREAMCAST && SH_DMA_API
69 help
70 This enables support for the DMA con
71 G2 bus. Drivers that want this will
72 their own.
73
74 If in doubt, say N.
75
76 endmenu
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