]> git.kernelconcepts.de Git - karo-tx-linux.git/commitdiff
video: mxc_lcdif: convert dev_dbg() to dev_err() for error messages
authorLothar Waßmann <LW@KARO-electronics.de>
Fri, 13 Jun 2014 13:34:49 +0000 (15:34 +0200)
committerLothar Waßmann <LW@KARO-electronics.de>
Wed, 20 Aug 2014 08:07:03 +0000 (10:07 +0200)
Conflicts:
drivers/video/mxc/mxc_lcdif.c

drivers/video/mxc/mxc_lcdif.c [new file with mode: 0644]

diff --git a/drivers/video/mxc/mxc_lcdif.c b/drivers/video/mxc/mxc_lcdif.c
new file mode 100644 (file)
index 0000000..7235f92
--- /dev/null
@@ -0,0 +1,235 @@
+/*
+ * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/init.h>
+#include <linux/ipu.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mxcfb.h>
+#include <linux/of_device.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/platform_device.h>
+
+#include "mxc_dispdrv.h"
+
+struct mxc_lcd_platform_data {
+       u32 default_ifmt;
+       u32 ipu_id;
+       u32 disp_id;
+};
+
+struct mxc_lcdif_data {
+       struct platform_device *pdev;
+       struct mxc_dispdrv_handle *disp_lcdif;
+};
+
+#define DISPDRV_LCD    "lcd"
+
+static struct fb_videomode lcdif_modedb[] = {
+       {
+       /* 800x480 @ 57 Hz , pixel clk @ 27MHz */
+       "CLAA-WVGA", 57, 800, 480, 37037, 40, 60, 10, 10, 20, 10,
+       FB_SYNC_CLK_LAT_FALL,
+       FB_VMODE_NONINTERLACED,
+       0,},
+       {
+       /* 800x480 @ 60 Hz , pixel clk @ 32MHz */
+       "SEIKO-WVGA", 60, 800, 480, 29850, 89, 164, 23, 10, 10, 10,
+       FB_SYNC_CLK_LAT_FALL,
+       FB_VMODE_NONINTERLACED,
+       0,},
+};
+static int lcdif_modedb_sz = ARRAY_SIZE(lcdif_modedb);
+
+static int lcdif_init(struct mxc_dispdrv_handle *disp,
+       struct mxc_dispdrv_setting *setting)
+{
+       int ret, i;
+       struct mxc_lcdif_data *lcdif = mxc_dispdrv_getdata(disp);
+       struct mxc_lcd_platform_data *plat_data
+                       = lcdif->pdev->dev.platform_data;
+       struct fb_videomode *modedb = lcdif_modedb;
+       int modedb_sz = lcdif_modedb_sz;
+
+       /* use platform defined ipu/di */
+       setting->dev_id = plat_data->ipu_id;
+       setting->disp_id = plat_data->disp_id;
+
+       ret = fb_find_mode(&setting->fbi->var, setting->fbi, setting->dft_mode_str,
+                               modedb, modedb_sz, NULL, setting->default_bpp);
+       if (!ret) {
+               fb_videomode_to_var(&setting->fbi->var, &modedb[0]);
+               setting->if_fmt = plat_data->default_ifmt;
+       }
+
+       INIT_LIST_HEAD(&setting->fbi->modelist);
+       for (i = 0; i < modedb_sz; i++) {
+               struct fb_videomode m;
+               fb_var_to_videomode(&m, &setting->fbi->var);
+               if (fb_mode_is_equal(&m, &modedb[i])) {
+                       fb_add_videomode(&modedb[i],
+                                       &setting->fbi->modelist);
+                       break;
+               }
+       }
+
+       return ret;
+}
+
+void lcdif_deinit(struct mxc_dispdrv_handle *disp)
+{
+       /*TODO*/
+}
+
+static struct mxc_dispdrv_driver lcdif_drv = {
+       .name   = DISPDRV_LCD,
+       .init   = lcdif_init,
+       .deinit = lcdif_deinit,
+};
+
+static int lcd_get_of_property(struct platform_device *pdev,
+                               struct mxc_lcd_platform_data *plat_data)
+{
+       struct device_node *np = pdev->dev.of_node;
+       int err;
+       u32 ipu_id, disp_id;
+       const char *default_ifmt;
+
+       err = of_property_read_string(np, "default_ifmt", &default_ifmt);
+       if (err) {
+               dev_err(&pdev->dev, "get of property default_ifmt fail\n");
+               return err;
+       }
+       err = of_property_read_u32(np, "ipu_id", &ipu_id);
+       if (err) {
+               dev_err(&pdev->dev, "get of property ipu_id fail\n");
+               return err;
+       }
+       err = of_property_read_u32(np, "disp_id", &disp_id);
+       if (err) {
+               dev_err(&pdev->dev, "get of property disp_id fail\n");
+               return err;
+       }
+
+       plat_data->ipu_id = ipu_id;
+       plat_data->disp_id = disp_id;
+       if (!strncmp(default_ifmt, "RGB24", 5))
+               plat_data->default_ifmt = IPU_PIX_FMT_RGB24;
+       else if (!strncmp(default_ifmt, "BGR24", 5))
+               plat_data->default_ifmt = IPU_PIX_FMT_BGR24;
+       else if (!strncmp(default_ifmt, "GBR24", 5))
+               plat_data->default_ifmt = IPU_PIX_FMT_GBR24;
+       else if (!strncmp(default_ifmt, "RGB565", 6))
+               plat_data->default_ifmt = IPU_PIX_FMT_RGB565;
+       else if (!strncmp(default_ifmt, "RGB666", 6))
+               plat_data->default_ifmt = IPU_PIX_FMT_RGB666;
+       else if (!strncmp(default_ifmt, "YUV444", 6))
+               plat_data->default_ifmt = IPU_PIX_FMT_YUV444;
+       else if (!strncmp(default_ifmt, "LVDS666", 7))
+               plat_data->default_ifmt = IPU_PIX_FMT_LVDS666;
+       else if (!strncmp(default_ifmt, "YUYV16", 6))
+               plat_data->default_ifmt = IPU_PIX_FMT_YUYV;
+       else if (!strncmp(default_ifmt, "UYVY16", 6))
+               plat_data->default_ifmt = IPU_PIX_FMT_UYVY;
+       else if (!strncmp(default_ifmt, "YVYU16", 6))
+               plat_data->default_ifmt = IPU_PIX_FMT_YVYU;
+       else if (!strncmp(default_ifmt, "VYUY16", 6))
+                               plat_data->default_ifmt = IPU_PIX_FMT_VYUY;
+       else {
+               dev_err(&pdev->dev, "err default_ifmt!\n");
+               return -ENOENT;
+       }
+
+       return err;
+}
+
+static int mxc_lcdif_probe(struct platform_device *pdev)
+{
+       int ret;
+       struct pinctrl *pinctrl;
+       struct mxc_lcdif_data *lcdif;
+       struct mxc_lcd_platform_data *plat_data;
+
+       dev_dbg(&pdev->dev, "%s enter\n", __func__);
+       lcdif = devm_kzalloc(&pdev->dev, sizeof(struct mxc_lcdif_data),
+                               GFP_KERNEL);
+       if (!lcdif)
+               return -ENOMEM;
+       plat_data = devm_kzalloc(&pdev->dev,
+                               sizeof(struct mxc_lcd_platform_data),
+                               GFP_KERNEL);
+       if (!plat_data)
+               return -ENOMEM;
+       pdev->dev.platform_data = plat_data;
+
+       ret = lcd_get_of_property(pdev, plat_data);
+       if (ret < 0) {
+               dev_err(&pdev->dev, "get lcd of property fail\n");
+               return ret;
+       }
+
+       pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+       if (IS_ERR(pinctrl)) {
+               dev_err(&pdev->dev, "can't get/select pinctrl\n");
+               return PTR_ERR(pinctrl);
+       }
+
+       lcdif->pdev = pdev;
+       lcdif->disp_lcdif = mxc_dispdrv_register(&lcdif_drv);
+       mxc_dispdrv_setdata(lcdif->disp_lcdif, lcdif);
+
+       dev_set_drvdata(&pdev->dev, lcdif);
+       dev_dbg(&pdev->dev, "%s exit\n", __func__);
+
+       return ret;
+}
+
+static int mxc_lcdif_remove(struct platform_device *pdev)
+{
+       struct mxc_lcdif_data *lcdif = dev_get_drvdata(&pdev->dev);
+
+       mxc_dispdrv_puthandle(lcdif->disp_lcdif);
+       mxc_dispdrv_unregister(lcdif->disp_lcdif);
+       kfree(lcdif);
+       return 0;
+}
+
+static const struct of_device_id imx_lcd_dt_ids[] = {
+       { .compatible = "fsl,lcd"},
+       { /* sentinel */ }
+};
+static struct platform_driver mxc_lcdif_driver = {
+       .driver = {
+               .name = "mxc_lcdif",
+               .of_match_table = imx_lcd_dt_ids,
+       },
+       .probe = mxc_lcdif_probe,
+       .remove = mxc_lcdif_remove,
+};
+
+static int __init mxc_lcdif_init(void)
+{
+       return platform_driver_register(&mxc_lcdif_driver);
+}
+
+static void __exit mxc_lcdif_exit(void)
+{
+       platform_driver_unregister(&mxc_lcdif_driver);
+}
+
+module_init(mxc_lcdif_init);
+module_exit(mxc_lcdif_exit);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("i.MX ipuv3 LCD extern port driver");
+MODULE_LICENSE("GPL");