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1 | /* |
2 | * Copyright (C) 2011 Pengutronix | |
3 | * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it under | |
6 | * the terms of the GNU General Public License version 2 as published by the | |
7 | * Free Software Foundation. | |
8 | */ | |
b7f080cf | 9 | #include <linux/dma-mapping.h> |
50f2de61 SG |
10 | |
11 | #include "../hardware.h" | |
e0557c0d | 12 | #include "devices-common.h" |
afa77ef3 UKK |
13 | |
14 | #define imx_ipu_core_entry_single(soc) \ | |
15 | { \ | |
16 | .iobase = soc ## _IPU_CTRL_BASE_ADDR, \ | |
17 | .synirq = soc ## _INT_IPU_SYN, \ | |
18 | .errirq = soc ## _INT_IPU_ERR, \ | |
19 | } | |
20 | ||
21 | #ifdef CONFIG_SOC_IMX31 | |
22 | const struct imx_ipu_core_data imx31_ipu_core_data __initconst = | |
23 | imx_ipu_core_entry_single(MX31); | |
24 | #endif | |
25 | ||
26 | #ifdef CONFIG_SOC_IMX35 | |
27 | const struct imx_ipu_core_data imx35_ipu_core_data __initconst = | |
28 | imx_ipu_core_entry_single(MX35); | |
29 | #endif | |
30 | ||
31 | static struct platform_device *imx_ipu_coredev __initdata; | |
32 | ||
33 | struct platform_device *__init imx_add_ipu_core( | |
88289c80 | 34 | const struct imx_ipu_core_data *data) |
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35 | { |
36 | /* The resource order is important! */ | |
37 | struct resource res[] = { | |
38 | { | |
39 | .start = data->iobase, | |
40 | .end = data->iobase + 0x5f, | |
41 | .flags = IORESOURCE_MEM, | |
42 | }, { | |
43 | .start = data->iobase + 0x88, | |
44 | .end = data->iobase + 0xb3, | |
45 | .flags = IORESOURCE_MEM, | |
46 | }, { | |
47 | .start = data->synirq, | |
48 | .end = data->synirq, | |
49 | .flags = IORESOURCE_IRQ, | |
50 | }, { | |
51 | .start = data->errirq, | |
52 | .end = data->errirq, | |
53 | .flags = IORESOURCE_IRQ, | |
54 | }, | |
55 | }; | |
56 | ||
57 | return imx_ipu_coredev = imx_add_platform_device("ipu-core", -1, | |
88289c80 | 58 | res, ARRAY_SIZE(res), NULL, 0); |
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59 | } |
60 | ||
61 | struct platform_device *__init imx_alloc_mx3_camera( | |
62 | const struct imx_ipu_core_data *data, | |
63 | const struct mx3_camera_pdata *pdata) | |
64 | { | |
65 | struct resource res[] = { | |
66 | { | |
67 | .start = data->iobase + 0x60, | |
68 | .end = data->iobase + 0x87, | |
69 | .flags = IORESOURCE_MEM, | |
70 | }, | |
71 | }; | |
72 | int ret = -ENOMEM; | |
73 | struct platform_device *pdev; | |
74 | ||
75 | if (IS_ERR_OR_NULL(imx_ipu_coredev)) | |
76 | return ERR_PTR(-ENODEV); | |
77 | ||
78 | pdev = platform_device_alloc("mx3-camera", 0); | |
79 | if (!pdev) | |
d1d70e5d | 80 | return ERR_PTR(-ENOMEM); |
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81 | |
82 | pdev->dev.dma_mask = kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL); | |
83 | if (!pdev->dev.dma_mask) | |
84 | goto err; | |
85 | ||
86 | *pdev->dev.dma_mask = DMA_BIT_MASK(32); | |
87 | pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); | |
88 | ||
89 | ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); | |
90 | if (ret) | |
91 | goto err; | |
92 | ||
93 | if (pdata) { | |
94 | struct mx3_camera_pdata *copied_pdata; | |
95 | ||
96 | ret = platform_device_add_data(pdev, pdata, sizeof(*pdata)); | |
97 | if (ret) { | |
98 | err: | |
99 | kfree(pdev->dev.dma_mask); | |
100 | platform_device_put(pdev); | |
101 | return ERR_PTR(-ENODEV); | |
102 | } | |
103 | copied_pdata = dev_get_platdata(&pdev->dev); | |
104 | copied_pdata->dma_dev = &imx_ipu_coredev->dev; | |
105 | } | |
106 | ||
107 | return pdev; | |
108 | } | |
109 | ||
110 | struct platform_device *__init imx_add_mx3_sdc_fb( | |
111 | const struct imx_ipu_core_data *data, | |
112 | struct mx3fb_platform_data *pdata) | |
113 | { | |
114 | struct resource res[] = { | |
115 | { | |
116 | .start = data->iobase + 0xb4, | |
117 | .end = data->iobase + 0x1bf, | |
118 | .flags = IORESOURCE_MEM, | |
119 | }, | |
120 | }; | |
121 | ||
122 | if (IS_ERR_OR_NULL(imx_ipu_coredev)) | |
123 | return ERR_PTR(-ENODEV); | |
124 | ||
125 | pdata->dma_dev = &imx_ipu_coredev->dev; | |
126 | ||
127 | return imx_add_platform_device_dmamask("mx3_sdc_fb", -1, | |
128 | res, ARRAY_SIZE(res), pdata, sizeof(*pdata), | |
129 | DMA_BIT_MASK(32)); | |
130 | } |