BSP: NT36672A cabc mode control is added

[9609][WING] fbdev: dpu: NT35572A cabc mode control is added

Bug:HQ00000000

Workaround:no

Change-Id: Ic0e3d46e2ae0f23203254c31c52b5cccc3936544
Signed-off-by: hwangjae lee <hj-yo.lee@samsung.com>
Signed-off-by: lijilai <lijilai@huaqin.com>

diff --git a/drivers/video/fbdev/exynos/dpu20/Kconfig b/drivers/video/fbdev/exynos/dpu20/Kconfig
index 49a5f8deac52c073adaeda9e0e19c904be3a434d..60123b3965c0adb2dde8756495fceff0ab66fdd2 100644 (file)
--- a/drivers/video/fbdev/exynos/dpu20/Kconfig
+++ b/drivers/video/fbdev/exynos/dpu20/Kconfig
@@ -66,6 +66,12 @@ config EXYNOS_READ_ESD_SOLUTION
        default n
        help
          If this menu is enabled, you can detect ESD of panel.
+config EXYNOS_PANEL_CABC
+       bool "Support CABC using DDI command"
+       depends on EXYNOS_DPU20
+       default n
+       help
+         If this menu is enabled, you can control CABC mode of panle.
 
 config EXYNOS_LOW_PERSISTENCE
        bool "Support Low Persistence Mode"

diff --git a/drivers/video/fbdev/exynos/dpu20/dsim.h b/drivers/video/fbdev/exynos/dpu20/dsim.h
index 396872e93c445688c12b8095fe5fb07d1cdd2311..3933e23e3b7acacbe05cf7771a0f4c1a3121a627 100644 (file)
--- a/drivers/video/fbdev/exynos/dpu20/dsim.h
+++ b/drivers/video/fbdev/exynos/dpu20/dsim.h
@@ -256,6 +256,8 @@ struct dsim_lcd_driver {
        int (*doze_suspend)(struct dsim_device *dsim);
 #if defined(CONFIG_EXYNOS_READ_ESD_SOLUTION)
        int (*read_state)(struct dsim_device *dsim);
+#if defined(CONFIG_EXYNOS_PANEL_CABC)
+       int (*cabc)(struct dsim_device *dsim, int mode);
 #endif
 };
 

diff --git a/drivers/video/fbdev/exynos/dpu20/dsim_drv.c b/drivers/video/fbdev/exynos/dpu20/dsim_drv.c
index f3ff2151bd43e1fa0ca15e42afd00492f74c09a0..f51a4f7c622105917faca288b877a76a54007d08 100644 (file)
--- a/drivers/video/fbdev/exynos/dpu20/dsim_drv.c
+++ b/drivers/video/fbdev/exynos/dpu20/dsim_drv.c
@@ -1493,6 +1493,53 @@ error:
        return ret;
 }
 
+#if defined(CONFIG_EXYNOS_PANEL_CABC)
+static ssize_t dsim_cabc_sysfs_show(struct device *dev,
+               struct device_attribute *attr, char *buf)
+{
+       int count = 0;
+       struct dsim_device *dsim = dev_get_drvdata(dev);
+
+       count = dsim->panel_ops->cabc(dsim, 0x80);
+       dsim_info("[CABC] read byte: %d\n", count);
+       sprintf(buf, "%d", count);
+
+       /* return: read byte(s) count */
+       return count;
+}
+
+static ssize_t dsim_cabc_sysfs_store(struct device *dev,
+               struct device_attribute *attr, const char *buf, size_t count)
+{
+       int ret;
+       unsigned long mode;
+       struct dsim_device *dsim = dev_get_drvdata(dev);
+
+       /* when success, return 0 */
+       ret = kstrtoul(buf, 0, &mode);
+       if (ret)
+               return 0;
+
+       ret = dsim->panel_ops->cabc(dsim, mode);
+
+       /* return: write byte(s) count */
+       return ret;
+}
+
+static DEVICE_ATTR(cabc, 0644, dsim_cabc_sysfs_show, dsim_cabc_sysfs_store);
+
+int dsim_create_cabc_sysfs(struct dsim_device *dsim)
+{
+       int ret = 0;
+
+       ret = device_create_file(dsim->dev, &dev_attr_cabc);
+       if (ret)
+               dsim_err("failed to create cabc control sysfs\n");
+
+       return ret;
+}
+#endif
+
 static void dsim_parse_lcd_info(struct dsim_device *dsim)
 {
        struct device_node *node = NULL;
@@ -1943,6 +1990,8 @@ static int dsim_probe(struct platform_device *pdev)
 #if defined(READ_ESD_SOLUTION_TEST)
        dsim_create_esd_test_sysfs(dsim);
 #endif
+#if defined(CONFIG_EXYNOS_PANEL_CABC)
+       dsim_create_cabc_sysfs(dsim);
 #endif
 
 #ifdef DPHY_LOOP

diff --git a/drivers/video/fbdev/exynos/dpu20/panels/nt36672a_mipi_lcd.c b/drivers/video/fbdev/exynos/dpu20/panels/nt36672a_mipi_lcd.c
index 5550f0c02b8e66e6ed37b2862437f4d442a0f1e1..be845c00f888250d43a2a99de0d7bef7ef212325 100644 (file)
--- a/drivers/video/fbdev/exynos/dpu20/panels/nt36672a_mipi_lcd.c
+++ b/drivers/video/fbdev/exynos/dpu20/panels/nt36672a_mipi_lcd.c
@@ -199,9 +199,70 @@ static int nt36672a_resume(struct dsim_device *dsim)
        return 0;
 }
 
+#if defined (CONFIG_EXYNOS_PANEL_CABC)
+static int nt36672a_cabc_mode(struct dsim_device *dsim, int mode)
+{
+       int ret = 0;
+       int count;
+       unsigned char buf[] = {0x0, 0x0};
+       unsigned char SEQ_CABC_CMD[] = {0x55, 0x00, 0x00};
+       unsigned char cmd = MIPI_DCS_WRITE_POWER_SAVE; /* 0x55 */
+
+       dsim_info("%s: CABC mode[%d] write/read\n", __func__, mode);
+
+       switch (mode) {
+       /* read */
+       case CABC_READ_MODE:
+               cmd = MIPI_DCS_GET_POWER_SAVE; /* 0x56 */
+               ret = dsim_read_data(dsim, MIPI_DSI_DCS_READ, cmd, 0x1, buf);
+               if (ret < 0) {
+                       dsim_err("CABC REG(0x%02x) read failure!\n", cmd);
+                       count = 0;
+               } else {
+                       dsim_info("CABC REG(0x%02x) read success: 0x%02x\n",
+                                       cmd, *(unsigned int *)buf & 0xFF);
+                       count = 1;
+               }
+               return count;
+
+       /*write */
+       case POWER_SAVE_OFF:
+               SEQ_CABC_CMD[1] = CABC_OFF;
+               break;
+       case POWER_SAVE_LOW:
+               SEQ_CABC_CMD[1] = CABC_USER_IMAGE;
+               break;
+       case POWER_SAVE_MEDIUM:
+               SEQ_CABC_CMD[1] = CABC_STILL_PICTURE;
+               break;
+       case POWER_SAVE_HIGH:
+               SEQ_CABC_CMD[1] = CABC_MOVING_IMAGE;
+               break;
+       default:
+               dsim_err("Unavailable CABC mode(%d)!\n", mode);
+               return -EINVAL;
+       }
+       ret = dsim_write_data(dsim, MIPI_DSI_DCS_LONG_WRITE,
+                       (unsigned long)SEQ_CABC_CMD /* cmd */,
+                       ARRAY_SIZE(SEQ_CABC_CMD));
+       if (ret < 0) {
+               dsim_err("CABC write command failure!\n");
+               count = 0;
+       } else {
+               dsim_dbg("CABC write command success!\n");
+               count = ARRAY_SIZE(SEQ_CABC_CMD);
+       }
+
+       return count;
+}
+#endif
+
 struct dsim_lcd_driver nt36672a_mipi_lcd_driver = {
        .probe          = nt36672a_probe,
        .displayon      = nt36672a_displayon,
        .suspend        = nt36672a_suspend,
        .resume         = nt36672a_resume,
+#if defined (CONFIG_EXYNOS_PANEL_CABC)
+       .cabc           = nt36672a_cabc_mode,
+#endif
 };

diff --git a/drivers/video/fbdev/exynos/dpu20/panels/nt36672a_param.h b/drivers/video/fbdev/exynos/dpu20/panels/nt36672a_param.h
index 5973b30450e2fab406b2750e530f0d8ee8f49512..57856c54469d06529d72dd6971550a4588cd0637 100644 (file)
--- a/drivers/video/fbdev/exynos/dpu20/panels/nt36672a_param.h
+++ b/drivers/video/fbdev/exynos/dpu20/panels/nt36672a_param.h
@@ -12,6 +12,24 @@
 #ifndef __NT36672A_PARAM_H__
 #define __NT36672A_PARAM_H__
 
+#if defined(CONFIG_EXYNOS_PANEL_CABC)
+enum cabc_mode {
+       CABC_OFF = 0,
+       CABC_USER_IMAGE,
+       CABC_STILL_PICTURE,
+       CABC_MOVING_IMAGE,
+       CABC_READ_MODE = 0x80,
+};
+
+enum power_mode {
+       POWER_SAVE_OFF = 0,
+       POWER_SAVE_LOW = 1,
+       POWER_SAVE_MEDIUM = 2,
+       POWER_SAVE_HIGH = 3,
+       POWER_SAVE_MAX = 4,
+};
+#endif
+
 /* MIPI commands list */
 static const unsigned char SEQ_SLEEP_OUT[] = {
        0x11,