forked from Minki/linux
52f1a845e2
eMMa-PrP device included in Freescale i.MX2 chips can also be used separately to process memory buffers. This patch provides arch glue code for the driver which provides this functionality. Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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* Copyright (C) 2010 Pengutronix
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* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License version 2 as published by the
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* Free Software Foundation.
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*/
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#include <mach/hardware.h>
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#include <mach/devices-common.h>
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#define imx_mx2_camera_data_entry_single(soc) \
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{ \
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.iobasecsi = soc ## _CSI_BASE_ADDR, \
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.iosizecsi = SZ_4K, \
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.irqcsi = soc ## _INT_CSI, \
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}
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#define imx_mx2_camera_data_entry_single_emma(soc) \
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{ \
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.iobasecsi = soc ## _CSI_BASE_ADDR, \
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.iosizecsi = SZ_32, \
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.irqcsi = soc ## _INT_CSI, \
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.iobaseemmaprp = soc ## _EMMAPRP_BASE_ADDR, \
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.iosizeemmaprp = SZ_32, \
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.irqemmaprp = soc ## _INT_EMMAPRP, \
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}
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#ifdef CONFIG_SOC_IMX25
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const struct imx_mx2_camera_data imx25_mx2_camera_data __initconst =
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imx_mx2_camera_data_entry_single(MX25);
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#endif /* ifdef CONFIG_SOC_IMX25 */
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#ifdef CONFIG_SOC_IMX27
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const struct imx_mx2_camera_data imx27_mx2_camera_data __initconst =
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imx_mx2_camera_data_entry_single_emma(MX27);
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#endif /* ifdef CONFIG_SOC_IMX27 */
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struct platform_device *__init imx_add_mx2_camera(
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const struct imx_mx2_camera_data *data,
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const struct mx2_camera_platform_data *pdata)
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{
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struct resource res[] = {
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{
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.start = data->iobasecsi,
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.end = data->iobasecsi + data->iosizecsi - 1,
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.flags = IORESOURCE_MEM,
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}, {
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.start = data->irqcsi,
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.end = data->irqcsi,
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.flags = IORESOURCE_IRQ,
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}, {
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.start = data->iobaseemmaprp,
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.end = data->iobaseemmaprp + data->iosizeemmaprp - 1,
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.flags = IORESOURCE_MEM,
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}, {
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.start = data->irqemmaprp,
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.end = data->irqemmaprp,
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.flags = IORESOURCE_IRQ,
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},
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};
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return imx_add_platform_device_dmamask("mx2-camera", 0,
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res, data->iobaseemmaprp ? 4 : 2,
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pdata, sizeof(*pdata), DMA_BIT_MASK(32));
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}
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struct platform_device *__init imx_add_mx2_emmaprp(
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const struct imx_mx2_camera_data *data)
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{
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struct resource res[] = {
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{
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.start = data->iobaseemmaprp,
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.end = data->iobaseemmaprp + data->iosizeemmaprp - 1,
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.flags = IORESOURCE_MEM,
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}, {
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.start = data->irqemmaprp,
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.end = data->irqemmaprp,
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.flags = IORESOURCE_IRQ,
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},
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};
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return imx_add_platform_device_dmamask("m2m-emmaprp", 0,
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res, 2, NULL, 0, DMA_BIT_MASK(32));
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}
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