Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
[pandora-kernel.git] / arch / arm / mach-s5pc100 / dma.c
1 /*
2  * Copyright (C) 2010 Samsung Electronics Co. Ltd.
3  *      Jaswinder Singh <jassi.brar@samsung.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18  */
19
20 #include <linux/platform_device.h>
21 #include <linux/dma-mapping.h>
22
23 #include <plat/devs.h>
24
25 #include <mach/map.h>
26 #include <mach/irqs.h>
27
28 #include <plat/s3c-pl330-pdata.h>
29
30 static u64 dma_dmamask = DMA_BIT_MASK(32);
31
32 static struct resource s5pc100_pdma0_resource[] = {
33         [0] = {
34                 .start  = S5PC100_PA_PDMA0,
35                 .end    = S5PC100_PA_PDMA0 + SZ_4K,
36                 .flags = IORESOURCE_MEM,
37         },
38         [1] = {
39                 .start  = IRQ_PDMA0,
40                 .end    = IRQ_PDMA0,
41                 .flags  = IORESOURCE_IRQ,
42         },
43 };
44
45 static struct s3c_pl330_platdata s5pc100_pdma0_pdata = {
46         .peri = {
47                 [0] = DMACH_UART0_RX,
48                 [1] = DMACH_UART0_TX,
49                 [2] = DMACH_UART1_RX,
50                 [3] = DMACH_UART1_TX,
51                 [4] = DMACH_UART2_RX,
52                 [5] = DMACH_UART2_TX,
53                 [6] = DMACH_UART3_RX,
54                 [7] = DMACH_UART3_TX,
55                 [8] = DMACH_IRDA,
56                 [9] = DMACH_I2S0_RX,
57                 [10] = DMACH_I2S0_TX,
58                 [11] = DMACH_I2S0S_TX,
59                 [12] = DMACH_I2S1_RX,
60                 [13] = DMACH_I2S1_TX,
61                 [14] = DMACH_I2S2_RX,
62                 [15] = DMACH_I2S2_TX,
63                 [16] = DMACH_SPI0_RX,
64                 [17] = DMACH_SPI0_TX,
65                 [18] = DMACH_SPI1_RX,
66                 [19] = DMACH_SPI1_TX,
67                 [20] = DMACH_SPI2_RX,
68                 [21] = DMACH_SPI2_TX,
69                 [22] = DMACH_AC97_MICIN,
70                 [23] = DMACH_AC97_PCMIN,
71                 [24] = DMACH_AC97_PCMOUT,
72                 [25] = DMACH_EXTERNAL,
73                 [26] = DMACH_PWM,
74                 [27] = DMACH_SPDIF,
75                 [28] = DMACH_HSI_RX,
76                 [29] = DMACH_HSI_TX,
77                 [30] = DMACH_MAX,
78                 [31] = DMACH_MAX,
79         },
80 };
81
82 static struct platform_device s5pc100_device_pdma0 = {
83         .name           = "s3c-pl330",
84         .id             = 0,
85         .num_resources  = ARRAY_SIZE(s5pc100_pdma0_resource),
86         .resource       = s5pc100_pdma0_resource,
87         .dev            = {
88                 .dma_mask = &dma_dmamask,
89                 .coherent_dma_mask = DMA_BIT_MASK(32),
90                 .platform_data = &s5pc100_pdma0_pdata,
91         },
92 };
93
94 static struct resource s5pc100_pdma1_resource[] = {
95         [0] = {
96                 .start  = S5PC100_PA_PDMA1,
97                 .end    = S5PC100_PA_PDMA1 + SZ_4K,
98                 .flags = IORESOURCE_MEM,
99         },
100         [1] = {
101                 .start  = IRQ_PDMA1,
102                 .end    = IRQ_PDMA1,
103                 .flags  = IORESOURCE_IRQ,
104         },
105 };
106
107 static struct s3c_pl330_platdata s5pc100_pdma1_pdata = {
108         .peri = {
109                 [0] = DMACH_UART0_RX,
110                 [1] = DMACH_UART0_TX,
111                 [2] = DMACH_UART1_RX,
112                 [3] = DMACH_UART1_TX,
113                 [4] = DMACH_UART2_RX,
114                 [5] = DMACH_UART2_TX,
115                 [6] = DMACH_UART3_RX,
116                 [7] = DMACH_UART3_TX,
117                 [8] = DMACH_IRDA,
118                 [9] = DMACH_I2S0_RX,
119                 [10] = DMACH_I2S0_TX,
120                 [11] = DMACH_I2S0S_TX,
121                 [12] = DMACH_I2S1_RX,
122                 [13] = DMACH_I2S1_TX,
123                 [14] = DMACH_I2S2_RX,
124                 [15] = DMACH_I2S2_TX,
125                 [16] = DMACH_SPI0_RX,
126                 [17] = DMACH_SPI0_TX,
127                 [18] = DMACH_SPI1_RX,
128                 [19] = DMACH_SPI1_TX,
129                 [20] = DMACH_SPI2_RX,
130                 [21] = DMACH_SPI2_TX,
131                 [22] = DMACH_PCM0_RX,
132                 [23] = DMACH_PCM0_TX,
133                 [24] = DMACH_PCM1_RX,
134                 [25] = DMACH_PCM1_TX,
135                 [26] = DMACH_MSM_REQ0,
136                 [27] = DMACH_MSM_REQ1,
137                 [28] = DMACH_MSM_REQ2,
138                 [29] = DMACH_MSM_REQ3,
139                 [30] = DMACH_MAX,
140                 [31] = DMACH_MAX,
141         },
142 };
143
144 static struct platform_device s5pc100_device_pdma1 = {
145         .name           = "s3c-pl330",
146         .id             = 1,
147         .num_resources  = ARRAY_SIZE(s5pc100_pdma1_resource),
148         .resource       = s5pc100_pdma1_resource,
149         .dev            = {
150                 .dma_mask = &dma_dmamask,
151                 .coherent_dma_mask = DMA_BIT_MASK(32),
152                 .platform_data = &s5pc100_pdma1_pdata,
153         },
154 };
155
156 static struct platform_device *s5pc100_dmacs[] __initdata = {
157         &s5pc100_device_pdma0,
158         &s5pc100_device_pdma1,
159 };
160
161 static int __init s5pc100_dma_init(void)
162 {
163         platform_add_devices(s5pc100_dmacs, ARRAY_SIZE(s5pc100_dmacs));
164
165         return 0;
166 }
167 arch_initcall(s5pc100_dma_init);