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authorJavier Martin <javier.martin@vista-silicon.com>2012-03-22 09:54:01 -0400
committerVinod Koul <vinod.koul@linux.intel.com>2012-03-26 02:01:29 -0400
commit6bd081277ea03e2b165fc68534b61bc64db93990 (patch)
tree288ba74063dcc002a347cefcfb65e70bc5b63d22 /arch/arm/mach-imx/include
parentbeeaa103eecc7a132682c40867f0ef70655383a5 (diff)
dmaengine: imx-dma: merge old dma-v1.c with imx-dma.c
It is mainly a simple merge changing the prefix of some functions to fit the imx-dma namings. As there are no users of the old dma-v1.c api we can safely remove this file. Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'arch/arm/mach-imx/include')
-rw-r--r--arch/arm/mach-imx/include/mach/dma-v1.h103
1 files changed, 0 insertions, 103 deletions
diff --git a/arch/arm/mach-imx/include/mach/dma-v1.h b/arch/arm/mach-imx/include/mach/dma-v1.h
deleted file mode 100644
index ac6fd713828a..000000000000
--- a/arch/arm/mach-imx/include/mach/dma-v1.h
+++ /dev/null
@@ -1,103 +0,0 @@
1/*
2 * linux/arch/arm/mach-imx/include/mach/dma-v1.h
3 *
4 * i.MX DMA registration and IRQ dispatching
5 *
6 * Copyright 2006 Pavel Pisa <pisa@cmp.felk.cvut.cz>
7 * Copyright 2008 Juergen Beisert, <kernel@pengutronix.de>
8 * Copyright 2008 Sascha Hauer, <s.hauer@pengutronix.de>
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22 * MA 02110-1301, USA.
23 */
24
25#ifndef __MACH_DMA_V1_H__
26#define __MACH_DMA_V1_H__
27
28#define imx_has_dma_v1() (cpu_is_mx1() || cpu_is_mx21() || cpu_is_mx27())
29
30#include <mach/dma.h>
31
32#define IMX_DMA_CHANNELS 16
33
34#define DMA_MODE_READ 0
35#define DMA_MODE_WRITE 1
36#define DMA_MODE_MASK 1
37
38#define MX1_DMA_REG(offset) MX1_IO_ADDRESS(MX1_DMA_BASE_ADDR + (offset))
39
40/* DMA Interrupt Mask Register */
41#define MX1_DMA_DIMR MX1_DMA_REG(0x08)
42
43/* Channel Control Register */
44#define MX1_DMA_CCR(x) MX1_DMA_REG(0x8c + ((x) << 6))
45
46#define IMX_DMA_MEMSIZE_32 (0 << 4)
47#define IMX_DMA_MEMSIZE_8 (1 << 4)
48#define IMX_DMA_MEMSIZE_16 (2 << 4)
49#define IMX_DMA_TYPE_LINEAR (0 << 10)
50#define IMX_DMA_TYPE_2D (1 << 10)
51#define IMX_DMA_TYPE_FIFO (2 << 10)
52
53#define IMX_DMA_ERR_BURST (1 << 0)
54#define IMX_DMA_ERR_REQUEST (1 << 1)
55#define IMX_DMA_ERR_TRANSFER (1 << 2)
56#define IMX_DMA_ERR_BUFFER (1 << 3)
57#define IMX_DMA_ERR_TIMEOUT (1 << 4)
58
59int
60imx_dma_config_channel(int channel, unsigned int config_port,
61 unsigned int config_mem, unsigned int dmareq, int hw_chaining);
62
63void
64imx_dma_config_burstlen(int channel, unsigned int burstlen);
65
66int
67imx_dma_setup_single(int channel, dma_addr_t dma_address,
68 unsigned int dma_length, unsigned int dev_addr,
69 unsigned int dmamode);
70
71
72/*
73 * Use this flag as the dma_length argument to imx_dma_setup_sg()
74 * to create an endless running dma loop. The end of the scatterlist
75 * must be linked to the beginning for this to work.
76 */
77#define IMX_DMA_LENGTH_LOOP ((unsigned int)-1)
78
79int
80imx_dma_setup_sg(int channel, struct scatterlist *sg,
81 unsigned int sgcount, unsigned int dma_length,
82 unsigned int dev_addr, unsigned int dmamode);
83
84int
85imx_dma_setup_handlers(int channel,
86 void (*irq_handler) (int, void *),
87 void (*err_handler) (int, void *, int), void *data);
88
89int
90imx_dma_setup_progression_handler(int channel,
91 void (*prog_handler) (int, void*, struct scatterlist*));
92
93void imx_dma_enable(int channel);
94
95void imx_dma_disable(int channel);
96
97int imx_dma_request(int channel, const char *name);
98
99void imx_dma_free(int channel);
100
101int imx_dma_request_by_prio(const char *name, enum imx_dma_prio prio);
102
103#endif /* __MACH_DMA_V1_H__ */