This source file includes following definitions.
- imx_add_ipu_core
- imx_alloc_mx3_camera
- imx_add_mx3_sdc_fb
1
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5
6 #include <linux/dma-mapping.h>
7
8 #include "../hardware.h"
9 #include "devices-common.h"
10
11 #define imx_ipu_core_entry_single(soc) \
12 { \
13 .iobase = soc ## _IPU_CTRL_BASE_ADDR, \
14 .synirq = soc ## _INT_IPU_SYN, \
15 .errirq = soc ## _INT_IPU_ERR, \
16 }
17
18 #ifdef CONFIG_SOC_IMX31
19 const struct imx_ipu_core_data imx31_ipu_core_data __initconst =
20 imx_ipu_core_entry_single(MX31);
21 #endif
22
23 #ifdef CONFIG_SOC_IMX35
24 const struct imx_ipu_core_data imx35_ipu_core_data __initconst =
25 imx_ipu_core_entry_single(MX35);
26 #endif
27
28 static struct platform_device *imx_ipu_coredev __initdata;
29
30 struct platform_device *__init imx_add_ipu_core(
31 const struct imx_ipu_core_data *data)
32 {
33
34 struct resource res[] = {
35 {
36 .start = data->iobase,
37 .end = data->iobase + 0x5f,
38 .flags = IORESOURCE_MEM,
39 }, {
40 .start = data->iobase + 0x88,
41 .end = data->iobase + 0xb3,
42 .flags = IORESOURCE_MEM,
43 }, {
44 .start = data->synirq,
45 .end = data->synirq,
46 .flags = IORESOURCE_IRQ,
47 }, {
48 .start = data->errirq,
49 .end = data->errirq,
50 .flags = IORESOURCE_IRQ,
51 },
52 };
53
54 return imx_ipu_coredev = imx_add_platform_device("ipu-core", -1,
55 res, ARRAY_SIZE(res), NULL, 0);
56 }
57
58 struct platform_device *__init imx_alloc_mx3_camera(
59 const struct imx_ipu_core_data *data,
60 const struct mx3_camera_pdata *pdata)
61 {
62 struct resource res[] = {
63 {
64 .start = data->iobase + 0x60,
65 .end = data->iobase + 0x87,
66 .flags = IORESOURCE_MEM,
67 },
68 };
69 int ret = -ENOMEM;
70 struct platform_device *pdev;
71
72 if (IS_ERR_OR_NULL(imx_ipu_coredev))
73 return ERR_PTR(-ENODEV);
74
75 pdev = platform_device_alloc("mx3-camera", 0);
76 if (!pdev)
77 return ERR_PTR(-ENOMEM);
78
79 pdev->dev.dma_mask = kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
80 if (!pdev->dev.dma_mask)
81 goto err;
82
83 *pdev->dev.dma_mask = DMA_BIT_MASK(32);
84 pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
85
86 ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
87 if (ret)
88 goto err;
89
90 if (pdata) {
91 struct mx3_camera_pdata *copied_pdata;
92
93 ret = platform_device_add_data(pdev, pdata, sizeof(*pdata));
94 if (ret) {
95 err:
96 kfree(pdev->dev.dma_mask);
97 platform_device_put(pdev);
98 return ERR_PTR(-ENODEV);
99 }
100 copied_pdata = dev_get_platdata(&pdev->dev);
101 copied_pdata->dma_dev = &imx_ipu_coredev->dev;
102 }
103
104 return pdev;
105 }
106
107 struct platform_device *__init imx_add_mx3_sdc_fb(
108 const struct imx_ipu_core_data *data,
109 struct mx3fb_platform_data *pdata)
110 {
111 struct resource res[] = {
112 {
113 .start = data->iobase + 0xb4,
114 .end = data->iobase + 0x1bf,
115 .flags = IORESOURCE_MEM,
116 },
117 };
118
119 if (IS_ERR_OR_NULL(imx_ipu_coredev))
120 return ERR_PTR(-ENODEV);
121
122 pdata->dma_dev = &imx_ipu_coredev->dev;
123
124 return imx_add_platform_device_dmamask("mx3_sdc_fb", -1,
125 res, ARRAY_SIZE(res), pdata, sizeof(*pdata),
126 DMA_BIT_MASK(32));
127 }