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Diffstat (limited to 'arch/arm/mach-imx/devices/platform-ipu-core.c')
-rw-r--r--arch/arm/mach-imx/devices/platform-ipu-core.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/devices/platform-ipu-core.c b/arch/arm/mach-imx/devices/platform-ipu-core.c
new file mode 100644
index 0000000..fc4dd7c
--- /dev/null
+++ b/arch/arm/mach-imx/devices/platform-ipu-core.c
@@ -0,0 +1,130 @@
+/*
+ * 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 "../hardware.h"
+#include "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)
+{
+ /* 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), NULL, 0);
+}
+
+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));
+}