mirror of https://gitee.com/openkylin/linux.git
131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
/*
|
|
* Copyright (C) 2011 Pengutronix
|
|
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it under
|
|
* the terms of the GNU General Public License version 2 as published by the
|
|
* Free Software Foundation.
|
|
*/
|
|
#include <linux/dma-mapping.h>
|
|
#include <mach/hardware.h>
|
|
#include <mach/devices-common.h>
|
|
|
|
#define imx_ipu_core_entry_single(soc) \
|
|
{ \
|
|
.iobase = soc ## _IPU_CTRL_BASE_ADDR, \
|
|
.synirq = soc ## _INT_IPU_SYN, \
|
|
.errirq = soc ## _INT_IPU_ERR, \
|
|
}
|
|
|
|
#ifdef CONFIG_SOC_IMX31
|
|
const struct imx_ipu_core_data imx31_ipu_core_data __initconst =
|
|
imx_ipu_core_entry_single(MX31);
|
|
#endif
|
|
|
|
#ifdef CONFIG_SOC_IMX35
|
|
const struct imx_ipu_core_data imx35_ipu_core_data __initconst =
|
|
imx_ipu_core_entry_single(MX35);
|
|
#endif
|
|
|
|
static struct platform_device *imx_ipu_coredev __initdata;
|
|
|
|
struct platform_device *__init imx_add_ipu_core(
|
|
const struct imx_ipu_core_data *data,
|
|
const struct ipu_platform_data *pdata)
|
|
{
|
|
/* The resource order is important! */
|
|
struct resource res[] = {
|
|
{
|
|
.start = data->iobase,
|
|
.end = data->iobase + 0x5f,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = data->iobase + 0x88,
|
|
.end = data->iobase + 0xb3,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = data->synirq,
|
|
.end = data->synirq,
|
|
.flags = IORESOURCE_IRQ,
|
|
}, {
|
|
.start = data->errirq,
|
|
.end = data->errirq,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
return imx_ipu_coredev = imx_add_platform_device("ipu-core", -1,
|
|
res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
|
|
}
|
|
|
|
struct platform_device *__init imx_alloc_mx3_camera(
|
|
const struct imx_ipu_core_data *data,
|
|
const struct mx3_camera_pdata *pdata)
|
|
{
|
|
struct resource res[] = {
|
|
{
|
|
.start = data->iobase + 0x60,
|
|
.end = data->iobase + 0x87,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
int ret = -ENOMEM;
|
|
struct platform_device *pdev;
|
|
|
|
if (IS_ERR_OR_NULL(imx_ipu_coredev))
|
|
return ERR_PTR(-ENODEV);
|
|
|
|
pdev = platform_device_alloc("mx3-camera", 0);
|
|
if (!pdev)
|
|
goto err;
|
|
|
|
pdev->dev.dma_mask = kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
|
|
if (!pdev->dev.dma_mask)
|
|
goto err;
|
|
|
|
*pdev->dev.dma_mask = DMA_BIT_MASK(32);
|
|
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
|
|
|
|
ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
|
|
if (ret)
|
|
goto err;
|
|
|
|
if (pdata) {
|
|
struct mx3_camera_pdata *copied_pdata;
|
|
|
|
ret = platform_device_add_data(pdev, pdata, sizeof(*pdata));
|
|
if (ret) {
|
|
err:
|
|
kfree(pdev->dev.dma_mask);
|
|
platform_device_put(pdev);
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
copied_pdata = dev_get_platdata(&pdev->dev);
|
|
copied_pdata->dma_dev = &imx_ipu_coredev->dev;
|
|
}
|
|
|
|
return pdev;
|
|
}
|
|
|
|
struct platform_device *__init imx_add_mx3_sdc_fb(
|
|
const struct imx_ipu_core_data *data,
|
|
struct mx3fb_platform_data *pdata)
|
|
{
|
|
struct resource res[] = {
|
|
{
|
|
.start = data->iobase + 0xb4,
|
|
.end = data->iobase + 0x1bf,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
if (IS_ERR_OR_NULL(imx_ipu_coredev))
|
|
return ERR_PTR(-ENODEV);
|
|
|
|
pdata->dma_dev = &imx_ipu_coredev->dev;
|
|
|
|
return imx_add_platform_device_dmamask("mx3_sdc_fb", -1,
|
|
res, ARRAY_SIZE(res), pdata, sizeof(*pdata),
|
|
DMA_BIT_MASK(32));
|
|
}
|