ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/gma500/psb_lid.c b/marvell/linux/drivers/gpu/drm/gma500/psb_lid.c
new file mode 100644
index 0000000..97b0c52
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/gma500/psb_lid.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/**************************************************************************
+ * Copyright (c) 2007, Intel Corporation.
+ *
+ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
+ **************************************************************************/
+
+#include <linux/spinlock.h>
+
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_reg.h"
+
+static void psb_lid_timer_func(struct timer_list *t)
+{
+ struct drm_psb_private *dev_priv = from_timer(dev_priv, t, lid_timer);
+ struct drm_device *dev = (struct drm_device *)dev_priv->dev;
+ struct timer_list *lid_timer = &dev_priv->lid_timer;
+ unsigned long irq_flags;
+ u32 __iomem *lid_state = dev_priv->opregion.lid_state;
+ u32 pp_status;
+
+ if (readl(lid_state) == dev_priv->lid_last_state)
+ goto lid_timer_schedule;
+
+ if ((readl(lid_state)) & 0x01) {
+ /*lid state is open*/
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while ((pp_status & PP_ON) == 0 &&
+ (pp_status & PP_SEQUENCE_MASK) != 0);
+
+ if (REG_READ(PP_STATUS) & PP_ON) {
+ /*FIXME: should be backlight level before*/
+ psb_intel_lvds_set_brightness(dev, 100);
+ } else {
+ DRM_DEBUG("LVDS panel never powered up");
+ return;
+ }
+ } else {
+ psb_intel_lvds_set_brightness(dev, 0);
+
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & ~POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while ((pp_status & PP_ON) == 0);
+ }
+ dev_priv->lid_last_state = readl(lid_state);
+
+lid_timer_schedule:
+ spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
+ if (!timer_pending(lid_timer)) {
+ lid_timer->expires = jiffies + PSB_LID_DELAY;
+ add_timer(lid_timer);
+ }
+ spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
+}
+
+void psb_lid_timer_init(struct drm_psb_private *dev_priv)
+{
+ struct timer_list *lid_timer = &dev_priv->lid_timer;
+ unsigned long irq_flags;
+
+ spin_lock_init(&dev_priv->lid_lock);
+ spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
+
+ timer_setup(lid_timer, psb_lid_timer_func, 0);
+
+ lid_timer->expires = jiffies + PSB_LID_DELAY;
+
+ add_timer(lid_timer);
+ spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
+}
+
+void psb_lid_timer_takedown(struct drm_psb_private *dev_priv)
+{
+ del_timer_sync(&dev_priv->lid_timer);
+}
+