diff options
Diffstat (limited to 'arch/arm/plat-mxc/devices/platform-ipu-core.c')
-rw-r--r-- | arch/arm/plat-mxc/devices/platform-ipu-core.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/devices/platform-ipu-core.c b/arch/arm/plat-mxc/devices/platform-ipu-core.c new file mode 100644 index 00000000000..79d340ae0af --- /dev/null +++ b/arch/arm/plat-mxc/devices/platform-ipu-core.c | |||
@@ -0,0 +1,130 @@ | |||
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 | */ | ||
9 | #include <linux/dma-mapping.h> | ||
10 | #include <mach/hardware.h> | ||
11 | #include <mach/devices-common.h> | ||
12 | |||
13 | #define imx_ipu_core_entry_single(soc) \ | ||
14 | { \ | ||
15 | .iobase = soc ## _IPU_CTRL_BASE_ADDR, \ | ||
16 | .synirq = soc ## _INT_IPU_SYN, \ | ||
17 | .errirq = soc ## _INT_IPU_ERR, \ | ||
18 | } | ||
19 | |||
20 | #ifdef CONFIG_SOC_IMX31 | ||
21 | const struct imx_ipu_core_data imx31_ipu_core_data __initconst = | ||
22 | imx_ipu_core_entry_single(MX31); | ||
23 | #endif | ||
24 | |||
25 | #ifdef CONFIG_SOC_IMX35 | ||
26 | const struct imx_ipu_core_data imx35_ipu_core_data __initconst = | ||
27 | imx_ipu_core_entry_single(MX35); | ||
28 | #endif | ||
29 | |||
30 | static struct platform_device *imx_ipu_coredev __initdata; | ||
31 | |||
32 | struct platform_device *__init imx_add_ipu_core( | ||
33 | const struct imx_ipu_core_data *data, | ||
34 | const struct ipu_platform_data *pdata) | ||
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, | ||
58 | res, ARRAY_SIZE(res), pdata, sizeof(*pdata)); | ||
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) | ||
80 | goto err; | ||
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 | } | ||