diff options
author | Mauro Carvalho Chehab | 2013-02-20 19:45:52 +0100 |
---|---|---|
committer | Mauro Carvalho Chehab | 2013-02-20 19:45:52 +0100 |
commit | 1339730e73f14673ad55bddda119982504633da9 (patch) | |
tree | 56306454f0cf7152e60dac6030afe07ed667c574 /arch/arm/mach-imx/devices/platform-ipu-core.c | |
parent | i7core_edac: fix kernel crash on unloading i7core_edac. (diff) | |
parent | Linux 3.8-rc7 (diff) | |
download | kernel-qcow2-linux-1339730e73f14673ad55bddda119982504633da9.tar.gz kernel-qcow2-linux-1339730e73f14673ad55bddda119982504633da9.tar.xz kernel-qcow2-linux-1339730e73f14673ad55bddda119982504633da9.zip |
Merge tag 'v3.8-rc7' into next
Linux 3.8-rc7
* tag 'v3.8-rc7': (12052 commits)
Linux 3.8-rc7
net: sctp: sctp_endpoint_free: zero out secret key data
net: sctp: sctp_setsockopt_auth_key: use kzfree instead of kfree
atm/iphase: rename fregt_t -> ffreg_t
ARM: 7641/1: memory: fix broken mmap by ensuring TASK_UNMAPPED_BASE is aligned
ARM: DMA mapping: fix bad atomic test
ARM: realview: ensure that we have sufficient IRQs available
ARM: GIC: fix GIC cpumask initialization
net: usb: fix regression from FLAG_NOARP code
l2tp: dont play with skb->truesize
net: sctp: sctp_auth_key_put: use kzfree instead of kfree
netback: correct netbk_tx_err to handle wrap around.
xen/netback: free already allocated memory on failure in xen_netbk_get_requests
xen/netback: don't leak pages on failure in xen_netbk_tx_check_gop.
xen/netback: shutdown the ring if it contains garbage.
drm/ttm: fix fence locking in ttm_buffer_object_transfer, 2nd try
virtio_console: Don't access uninitialized data.
net: qmi_wwan: add more Huawei devices, including E320
net: cdc_ncm: add another Huawei vendor specific device
ipv6/ip6_gre: fix error case handling in ip6gre_tunnel_xmit()
...
Diffstat (limited to 'arch/arm/mach-imx/devices/platform-ipu-core.c')
-rw-r--r-- | arch/arm/mach-imx/devices/platform-ipu-core.c | 130 |
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 000000000000..fc4dd7cedc11 --- /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)); +} |