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Source at commit ac7a6e48373a3c56e727b4224a33afd24fd05cea created 13 years 25 days ago. By Peter Zotov, MIPS: JZ47xx: Moved jz4740 headers to a subdirectory of mach-jz47xx/. | |
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1 | /* |
2 | * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> |
3 | * JZ7420/JZ4740 DMA definitions |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it |
6 | * under the terms of the GNU General Public License as published by the |
7 | * Free Software Foundation; either version 2 of the License, or (at your |
8 | * option) any later version. |
9 | * |
10 | * You should have received a copy of the GNU General Public License along |
11 | * with this program; if not, write to the Free Software Foundation, Inc., |
12 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
13 | * |
14 | */ |
15 | |
16 | #ifndef __ASM_MACH_JZ4740_DMA_H__ |
17 | #define __ASM_MACH_JZ4740_DMA_H__ |
18 | |
19 | struct jz4740_dma_chan; |
20 | |
21 | enum jz4740_dma_request_type { |
22 | JZ4740_DMA_TYPE_AUTO_REQUEST = 8, |
23 | JZ4740_DMA_TYPE_UART_TRANSMIT = 20, |
24 | JZ4740_DMA_TYPE_UART_RECEIVE = 21, |
25 | JZ4740_DMA_TYPE_SPI_TRANSMIT = 22, |
26 | JZ4740_DMA_TYPE_SPI_RECEIVE = 23, |
27 | JZ4740_DMA_TYPE_AIC_TRANSMIT = 24, |
28 | JZ4740_DMA_TYPE_AIC_RECEIVE = 25, |
29 | JZ4740_DMA_TYPE_MMC_TRANSMIT = 26, |
30 | JZ4740_DMA_TYPE_MMC_RECEIVE = 27, |
31 | JZ4740_DMA_TYPE_TCU = 28, |
32 | JZ4740_DMA_TYPE_SADC = 29, |
33 | JZ4740_DMA_TYPE_SLCD = 30, |
34 | }; |
35 | |
36 | enum jz4740_dma_width { |
37 | JZ4740_DMA_WIDTH_32BIT = 0, |
38 | JZ4740_DMA_WIDTH_8BIT = 1, |
39 | JZ4740_DMA_WIDTH_16BIT = 2, |
40 | }; |
41 | |
42 | enum jz4740_dma_transfer_size { |
43 | JZ4740_DMA_TRANSFER_SIZE_4BYTE = 0, |
44 | JZ4740_DMA_TRANSFER_SIZE_1BYTE = 1, |
45 | JZ4740_DMA_TRANSFER_SIZE_2BYTE = 2, |
46 | JZ4740_DMA_TRANSFER_SIZE_16BYTE = 3, |
47 | JZ4740_DMA_TRANSFER_SIZE_32BYTE = 4, |
48 | }; |
49 | |
50 | enum jz4740_dma_flags { |
51 | JZ4740_DMA_SRC_AUTOINC = 0x2, |
52 | JZ4740_DMA_DST_AUTOINC = 0x1, |
53 | }; |
54 | |
55 | enum jz4740_dma_mode { |
56 | JZ4740_DMA_MODE_SINGLE = 0, |
57 | JZ4740_DMA_MODE_BLOCK = 1, |
58 | }; |
59 | |
60 | struct jz4740_dma_config { |
61 | enum jz4740_dma_width src_width; |
62 | enum jz4740_dma_width dst_width; |
63 | enum jz4740_dma_transfer_size transfer_size; |
64 | enum jz4740_dma_request_type request_type; |
65 | enum jz4740_dma_flags flags; |
66 | enum jz4740_dma_mode mode; |
67 | }; |
68 | |
69 | typedef void (*jz4740_dma_complete_callback_t)(struct jz4740_dma_chan *, int, void *); |
70 | |
71 | struct jz4740_dma_chan *jz4740_dma_request(void *dev, const char *name); |
72 | void jz4740_dma_free(struct jz4740_dma_chan *dma); |
73 | |
74 | void jz4740_dma_configure(struct jz4740_dma_chan *dma, |
75 | const struct jz4740_dma_config *config); |
76 | |
77 | |
78 | void jz4740_dma_enable(struct jz4740_dma_chan *dma); |
79 | void jz4740_dma_disable(struct jz4740_dma_chan *dma); |
80 | |
81 | void jz4740_dma_set_src_addr(struct jz4740_dma_chan *dma, dma_addr_t src); |
82 | void jz4740_dma_set_dst_addr(struct jz4740_dma_chan *dma, dma_addr_t dst); |
83 | void jz4740_dma_set_transfer_count(struct jz4740_dma_chan *dma, uint32_t count); |
84 | |
85 | uint32_t jz4740_dma_get_residue(const struct jz4740_dma_chan *dma); |
86 | |
87 | void jz4740_dma_set_complete_cb(struct jz4740_dma_chan *dma, |
88 | jz4740_dma_complete_callback_t cb); |
89 | |
90 | #endif /* __ASM_JZ4740_DMA_H__ */ |
91 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
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v3.9