summaryrefslogtreecommitdiff
path: root/arch/arm/mach-s5pc100/dma.c
blob: afd8db2d599155720f0a8b1fafc7bec7a539bde8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/* linux/arch/arm/mach-s5pc100/dma.c
 *
 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Copyright (C) 2010 Samsung Electronics Co. Ltd.
 *	Jaswinder Singh <jassi.brar@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/dma-mapping.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl330.h>

#include <asm/irq.h>
#include <plat/devs.h>
#include <plat/irqs.h>

#include <mach/map.h>
#include <mach/irqs.h>
#include <mach/dma.h>

static u64 dma_dmamask = DMA_BIT_MASK(32);

static u8 pdma0_peri[] = {
	DMACH_UART0_RX,
	DMACH_UART0_TX,
	DMACH_UART1_RX,
	DMACH_UART1_TX,
	DMACH_UART2_RX,
	DMACH_UART2_TX,
	DMACH_UART3_RX,
	DMACH_UART3_TX,
	DMACH_IRDA,
	DMACH_I2S0_RX,
	DMACH_I2S0_TX,
	DMACH_I2S0S_TX,
	DMACH_I2S1_RX,
	DMACH_I2S1_TX,
	DMACH_I2S2_RX,
	DMACH_I2S2_TX,
	DMACH_SPI0_RX,
	DMACH_SPI0_TX,
	DMACH_SPI1_RX,
	DMACH_SPI1_TX,
	DMACH_SPI2_RX,
	DMACH_SPI2_TX,
	DMACH_AC97_MICIN,
	DMACH_AC97_PCMIN,
	DMACH_AC97_PCMOUT,
	DMACH_EXTERNAL,
	DMACH_PWM,
	DMACH_SPDIF,
	DMACH_HSI_RX,
	DMACH_HSI_TX,
};

static struct dma_pl330_platdata s5pc100_pdma0_pdata = {
	.nr_valid_peri = ARRAY_SIZE(pdma0_peri),
	.peri_id = pdma0_peri,
};

static AMBA_AHB_DEVICE(s5pc100_pdma0,  "dma-pl330.0", 0x00041330,
	S5PC100_PA_PDMA0, {IRQ_PDMA0}, &s5pc100_pdma0_pdata);

static u8 pdma1_peri[] = {
	DMACH_UART0_RX,
	DMACH_UART0_TX,
	DMACH_UART1_RX,
	DMACH_UART1_TX,
	DMACH_UART2_RX,
	DMACH_UART2_TX,
	DMACH_UART3_RX,
	DMACH_UART3_TX,
	DMACH_IRDA,
	DMACH_I2S0_RX,
	DMACH_I2S0_TX,
	DMACH_I2S0S_TX,
	DMACH_I2S1_RX,
	DMACH_I2S1_TX,
	DMACH_I2S2_RX,
	DMACH_I2S2_TX,
	DMACH_SPI0_RX,
	DMACH_SPI0_TX,
	DMACH_SPI1_RX,
	DMACH_SPI1_TX,
	DMACH_SPI2_RX,
	DMACH_SPI2_TX,
	DMACH_PCM0_RX,
	DMACH_PCM0_TX,
	DMACH_PCM1_RX,
	DMACH_PCM1_TX,
	DMACH_MSM_REQ0,
	DMACH_MSM_REQ1,
	DMACH_MSM_REQ2,
	DMACH_MSM_REQ3,
};

static struct dma_pl330_platdata s5pc100_pdma1_pdata = {
	.nr_valid_peri = ARRAY_SIZE(pdma1_peri),
	.peri_id = pdma1_peri,
};

static AMBA_AHB_DEVICE(s5pc100_pdma1, "dma-pl330.1", 0x00041330,
	S5PC100_PA_PDMA1, {IRQ_PDMA1}, &s5pc100_pdma1_pdata);

static int __init s5pc100_dma_init(void)
{
	dma_cap_set(DMA_SLAVE, s5pc100_pdma0_pdata.cap_mask);
	dma_cap_set(DMA_CYCLIC, s5pc100_pdma0_pdata.cap_mask);
	amba_device_register(&s5pc100_pdma0_device, &iomem_resource);

	dma_cap_set(DMA_SLAVE, s5pc100_pdma1_pdata.cap_mask);
	dma_cap_set(DMA_CYCLIC, s5pc100_pdma1_pdata.cap_mask);
	amba_device_register(&s5pc100_pdma1_device, &iomem_resource);

	return 0;
}
arch_initcall(s5pc100_dma_init);