This source file includes following definitions.
- fb_dma_request
- fb_dma_enable
- fb_dma_disable
- fb_dma_init
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14 #include <linux/init.h>
15 #include <linux/io.h>
16 #include <linux/spinlock.h>
17 #include <linux/scatterlist.h>
18
19 #include <asm/dma.h>
20
21 #include <asm/mach/dma.h>
22 #include <asm/hardware/dec21285.h>
23
24 #if 0
25 static int fb_dma_request(unsigned int chan, dma_t *dma)
26 {
27 return -EINVAL;
28 }
29
30 static void fb_dma_enable(unsigned int chan, dma_t *dma)
31 {
32 }
33
34 static void fb_dma_disable(unsigned int chan, dma_t *dma)
35 {
36 }
37
38 static struct dma_ops fb_dma_ops = {
39 .type = "fb",
40 .request = fb_dma_request,
41 .enable = fb_dma_enable,
42 .disable = fb_dma_disable,
43 };
44 #endif
45
46 static int __init fb_dma_init(void)
47 {
48 #if 0
49 dma[_DC21285_DMA(0)].d_ops = &fb_dma_ops;
50 dma[_DC21285_DMA(1)].d_ops = &fb_dma_ops;
51 #endif
52 #ifdef CONFIG_ISA_DMA
53 if (footbridge_cfn_mode())
54 isa_init_dma();
55 #endif
56 return 0;
57 }
58 core_initcall(fb_dma_init);