7 bool "SuperH on-chip DMA controller (DMAC) support"
8 depends on CPU_SH3 || CPU_SH4
12 config SH_DMA_IRQ_MULTI
15 default y if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7751 || \
16 CPU_SUBTYPE_SH7750S || CPU_SUBTYPE_SH7750R || \
17 CPU_SUBTYPE_SH7751R || CPU_SUBTYPE_SH7091 || \
18 CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7764 || \
19 CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
21 config NR_ONCHIP_DMA_CHANNELS
24 default "4" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7751 || \
25 CPU_SUBTYPE_SH7750S || CPU_SUBTYPE_SH7091
26 default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || \
28 default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780 || \
32 This allows you to specify the number of channels that the on-chip
33 DMAC supports. This will be 4 for SH7091/SH7750/SH7751 and 8 for the
36 config NR_DMA_CHANNELS_BOOL
38 bool "Override default number of maximum DMA channels"
40 This allows you to forcibly update the maximum number of supported
41 DMA channels for a given board. If this is unset, this will default
42 to the number of channels that the on-chip DMAC has.
44 config NR_DMA_CHANNELS
45 int "Maximum number of DMA channels"
46 depends on SH_DMA && NR_DMA_CHANNELS_BOOL
47 default NR_ONCHIP_DMA_CHANNELS
49 This allows you to specify the maximum number of DMA channels to
50 support. Setting this to a higher value allows for cascading DMACs
51 with additional channels.
54 bool "SH7760 DMABRG support"
55 depends on CPU_SUBTYPE_SH7760
57 The DMABRG does data transfers from main memory to Audio/USB units
59 Say Y if you want to use Audio/USB DMA on your SH7760 board.
62 tristate "PowerVR 2 DMAC support"
63 depends on SH_DREAMCAST && SH_DMA
65 Selecting this will enable support for the PVR2 DMA controller.
66 As this chains off of the on-chip DMAC, that must also be
69 This is primarily used by the pvr2fb framebuffer driver for
70 certain optimizations, but is not necessary for functionality.
75 tristate "G2 Bus DMA support"
76 depends on SH_DREAMCAST
79 This enables support for the DMA controller for the Dreamcast's
80 G2 bus. Drivers that want this will generally enable this on