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Message-ID: <4F67B077.5050300@redhat.com>
Date: Mon, 19 Mar 2012 19:17:27 -0300
From: Mauro Carvalho Chehab <mchehab@...hat.com>
To: Alex Gershgorin <alexg@...rolight.com>
CC: Sascha Hauer <s.hauer@...gutronix.de>,
linux-kernel@...r.kernel.org, g.liakhovetski@....de,
fabio.estevam@...escale.com, linux-media@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1] i.MX35-PDK: Add Camera support
Em 19-03-2012 19:03, Mauro Carvalho Chehab escreveu:
> Em 13-03-2012 12:05, Alex Gershgorin escreveu:
>> In i.MX35-PDK, OV2640 camera is populated on the
>> personality board. This camera is registered as a subdevice via soc-camera interface.
>>
>> Signed-off-by: Alex Gershgorin <alexg@...rolight.com>
>
> Patch doesn't apply over v3.3:
Sorry, the previous version of this patch didn't apply. This compiles OK.
Sorry for the mess.
Anyway, it should be applied via arm subtree.
Regards,
Mauro
>
> patching file arch/arm/mach-imx/mach-mx35_3ds.c
> Hunk #3 FAILED at 149.
> Hunk #4 succeeded at 126 with fuzz 1 (offset -55 lines).
> Hunk #5 FAILED at 323.
> Hunk #6 succeeded at 277 (offset -57 lines).
> Hunk #7 succeeded at 293 (offset -57 lines).
> 2 out of 7 hunks FAILED -- saving rejects to file arch/arm/mach-imx/mach-mx35_3ds.c.rej
> arch/arm/mach-imx/mach-mx35_3ds.c | 87 ++++++++++++++++++++++++++++++++++++++
>
>
>> ---
>> arch/arm/mach-imx/mach-mx35_3ds.c | 96 +++++++++++++++++++++++++++++++++++++
>> 1 files changed, 96 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c
>> index 0af6c9c..a7dd8e6 100644
>> --- a/arch/arm/mach-imx/mach-mx35_3ds.c
>> +++ b/arch/arm/mach-imx/mach-mx35_3ds.c
>> @@ -4,6 +4,11 @@
>> *
>> * Author: Fabio Estevam <fabio.estevam@...escale.com>
>> *
>> + * Copyright (C) 2011 Meprolight, Ltd.
>> + * Alex Gershgorin <alexg@...rolight.com>
>> + *
>> + * Modified from i.MX31 3-Stack Development System
>> + *
>> * This program is free software; you can redistribute it and/or modify
>> * it under the terms of the GNU General Public License as published by
>> * the Free Software Foundation; either version 2 of the License, or
>> @@ -34,6 +39,7 @@
>> #include <asm/mach/arch.h>
>> #include <asm/mach/time.h>
>> #include <asm/mach/map.h>
>> +#include <asm/memblock.h>
>>
>> #include <mach/hardware.h>
>> #include <mach/common.h>
>> @@ -41,6 +47,8 @@
>> #include <mach/irqs.h>
>> #include <mach/3ds_debugboard.h>
>>
>> +#include <media/soc_camera.h>
>> +
>> #include "devices-imx35.h"
>>
>> #define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(1, 1))
>> @@ -120,6 +128,83 @@ static iomux_v3_cfg_t mx35pdk_pads[] = {
>> /* I2C1 */
>> MX35_PAD_I2C1_CLK__I2C1_SCL,
>> MX35_PAD_I2C1_DAT__I2C1_SDA,
>> + /* CSI */
>> + MX35_PAD_TX1__IPU_CSI_D_6,
>> + MX35_PAD_TX0__IPU_CSI_D_7,
>> + MX35_PAD_CSI_D8__IPU_CSI_D_8,
>> + MX35_PAD_CSI_D9__IPU_CSI_D_9,
>> + MX35_PAD_CSI_D10__IPU_CSI_D_10,
>> + MX35_PAD_CSI_D11__IPU_CSI_D_11,
>> + MX35_PAD_CSI_D12__IPU_CSI_D_12,
>> + MX35_PAD_CSI_D13__IPU_CSI_D_13,
>> + MX35_PAD_CSI_D14__IPU_CSI_D_14,
>> + MX35_PAD_CSI_D15__IPU_CSI_D_15,
>> + MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC,
>> + MX35_PAD_CSI_MCLK__IPU_CSI_MCLK,
>> + MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK,
>> + MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC,
>> +};
>> +
>> +/*
>> + * Camera support
>> +*/
>> +static phys_addr_t mx3_camera_base __initdata;
>> +#define MX35_3DS_CAMERA_BUF_SIZE SZ_8M
>> +
>> +static const struct mx3_camera_pdata mx35_3ds_camera_pdata __initconst = {
>> + .flags = MX3_CAMERA_DATAWIDTH_8,
>> + .mclk_10khz = 2000,
>> +};
>> +
>> +static int __init imx35_3ds_init_camera(void)
>> +{
>> + int dma, ret = -ENOMEM;
>> + struct platform_device *pdev =
>> + imx35_alloc_mx3_camera(&mx35_3ds_camera_pdata);
>> +
>> + if (IS_ERR(pdev))
>> + return PTR_ERR(pdev);
>> +
>> + if (!mx3_camera_base)
>> + goto err;
>> +
>> + dma = dma_declare_coherent_memory(&pdev->dev,
>> + mx3_camera_base, mx3_camera_base,
>> + MX35_3DS_CAMERA_BUF_SIZE,
>> + DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
>> +
>> + if (!(dma & DMA_MEMORY_MAP))
>> + goto err;
>> +
>> + ret = platform_device_add(pdev);
>> + if (ret)
>> +err:
>> + platform_device_put(pdev);
>> +
>> + return ret;
>> +}
>> +
>> +static const struct ipu_platform_data mx35_3ds_ipu_data __initconst = {
>> + .irq_base = MXC_IPU_IRQ_START,
>> +};
>> +
>> +static struct i2c_board_info mx35_3ds_i2c_camera = {
>> + I2C_BOARD_INFO("ov2640", 0x30),
>> +};
>> +
>> +static struct soc_camera_link iclink_ov2640 = {
>> + .bus_id = 0,
>> + .board_info = &mx35_3ds_i2c_camera,
>> + .i2c_adapter_id = 0,
>> + .power = NULL,
>> +};
>> +
>> +static struct platform_device mx35_3ds_ov2640 = {
>> + .name = "soc-camera-pdrv",
>> + .id = 0,
>> + .dev = {
>> + .platform_data = &iclink_ov2640,
>> + },
>> };
>>
>> static int mx35_3ds_otg_init(struct platform_device *pdev)
>> @@ -204,6 +289,9 @@ static void __init mx35_3ds_init(void)
>> pr_warn("Init of the debugboard failed, all "
>> "devices on the debugboard are unusable.\n");
>> imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
>> + imx35_add_ipu_core(&mx35_3ds_ipu_data);
>> + platform_device_register(&mx35_3ds_ov2640);
>> + imx35_3ds_init_camera();
>> }
>>
>> static void __init mx35pdk_timer_init(void)
>> @@ -215,6 +303,13 @@ struct sys_timer mx35pdk_timer = {
>> .init = mx35pdk_timer_init,
>> };
>>
>> +static void __init mx35_3ds_reserve(void)
>> +{
>> + /* reserve MX35_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */
>> + mx3_camera_base = arm_memblock_steal(MX35_3DS_CAMERA_BUF_SIZE,
>> + MX35_3DS_CAMERA_BUF_SIZE);
>> +}
>> +
>> MACHINE_START(MX35_3DS, "Freescale MX35PDK")
>> /* Maintainer: Freescale Semiconductor, Inc */
>> .atag_offset = 0x100,
>> @@ -224,5 +319,6 @@ MACHINE_START(MX35_3DS, "Freescale MX35PDK")
>> .handle_irq = imx35_handle_irq,
>> .timer = &mx35pdk_timer,
>> .init_machine = mx35_3ds_init,
>> + .reserve = mx35_3ds_reserve,
>> .restart = mxc_restart,
>> MACHINE_END
>
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