diff options
Diffstat (limited to 'drivers/gpu/drm/pl111/pl111_drm.h')
| -rw-r--r-- | drivers/gpu/drm/pl111/pl111_drm.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/drm/pl111/pl111_drm.h b/drivers/gpu/drm/pl111/pl111_drm.h new file mode 100644 index 000000000000..5c685bfc8fdc --- /dev/null +++ b/drivers/gpu/drm/pl111/pl111_drm.h @@ -0,0 +1,67 @@ +/* + * + * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved. + * + * + * Parts of this file were based on sources as follows: + * + * Copyright (c) 2006-2008 Intel Corporation + * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> + * Copyright (C) 2011 Texas Instruments + * + * This program is free software and is provided to you under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation, and any use by you of this program is subject to the terms of + * such GNU licence. + * + */ + +#ifndef _PL111_DRM_H_ +#define _PL111_DRM_H_ + +#include <drm/drm_gem.h> +#include <drm/drm_simple_kms_helper.h> +#include <linux/clk-provider.h> + +#define CLCD_IRQ_NEXTBASE_UPDATE BIT(2) + +struct drm_minor; + +struct pl111_drm_connector { + struct drm_connector connector; + struct drm_panel *panel; +}; + +struct pl111_drm_dev_private { + struct drm_device *drm; + + struct pl111_drm_connector connector; + struct drm_simple_display_pipe pipe; + struct drm_fbdev_cma *fbdev; + + void *regs; + /* The pixel clock (a reference to our clock divider off of CLCDCLK). */ + struct clk *clk; + /* pl111's internal clock divider. */ + struct clk_hw clk_div; + /* Lock to sync access to CLCD_TIM2 between the common clock + * subsystem and pl111_display_enable(). + */ + spinlock_t tim2_lock; +}; + +#define to_pl111_connector(x) \ + container_of(x, struct pl111_drm_connector, connector) + +int pl111_display_init(struct drm_device *dev); +int pl111_enable_vblank(struct drm_device *drm, unsigned int crtc); +void pl111_disable_vblank(struct drm_device *drm, unsigned int crtc); +irqreturn_t pl111_irq(int irq, void *data); +int pl111_connector_init(struct drm_device *dev); +int pl111_encoder_init(struct drm_device *dev); +int pl111_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args); +int pl111_debugfs_init(struct drm_minor *minor); + +#endif /* _PL111_DRM_H_ */ |