diff options
Diffstat (limited to 'drivers/staging/gma500/mdfld_dsi_dbi_dpu.h')
| -rw-r--r-- | drivers/staging/gma500/mdfld_dsi_dbi_dpu.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h new file mode 100644 index 000000000000..42367ed48c08 --- /dev/null +++ b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h @@ -0,0 +1,154 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * jim liu <jim.liu@intel.com> + * Jackie Li<yaodong.li@intel.com> + */ + +#ifndef __MDFLD_DSI_DBI_DPU_H__ +#define __MDFLD_DSI_DBI_DPU_H__ + +#include "mdfld_dsi_dbi.h" + +typedef enum { + MDFLD_PLANEA, + MDFLD_PLANEC, + MDFLD_CURSORA, + MDFLD_CURSORC, + MDFLD_OVERLAYA, + MDFLD_OVERLAYC, + MDFLD_PLANE_NUM, +} mdfld_plane_t; + +#define MDFLD_PIPEA_PLANE_MASK 0x15 +#define MDFLD_PIPEC_PLANE_MASK 0x2A + +struct mdfld_cursor_info { + int x, y; + int size; +}; + +#define MDFLD_CURSOR_SIZE 64 + +/* + * enter DSR mode if screen has no update for 2 frames. + */ +#define MDFLD_MAX_IDLE_COUNT 2 + +struct mdfld_dbi_dpu_info { + struct drm_device *dev; + /* Lock */ + spinlock_t dpu_update_lock; + + /* Cursor postion */ + struct mdfld_cursor_info cursors[2]; + + /* Damaged area for each plane */ + struct psb_drm_dpu_rect damaged_rects[MDFLD_PLANE_NUM]; + + /* Final damaged area */ + struct psb_drm_dpu_rect damage_pipea; + struct psb_drm_dpu_rect damage_pipec; + + /* Pending */ + u32 pending; + + /* DPU timer */ + struct timer_list dpu_timer; + spinlock_t dpu_timer_lock; + + /* DPU idle count */ + u32 idle_count; + + /* DSI outputs */ + struct mdfld_dsi_dbi_output *dbi_outputs[2]; + int dbi_output_num; +}; + +static inline int mdfld_dpu_region_extent(struct psb_drm_dpu_rect *origin, + struct psb_drm_dpu_rect *rect) +{ + int x1, y1, x2, y2; + + x1 = origin->x + origin->width; + y1 = origin->y + origin->height; + + x2 = rect->x + rect->width; + y2 = rect->y + rect->height; + + origin->x = min(origin->x, rect->x); + origin->y = min(origin->y, rect->y); + origin->width = max(x1, x2) - origin->x; + origin->height = max(y1, y2) - origin->y; + + return 0; +} + +static inline void mdfld_check_boundary(struct mdfld_dbi_dpu_info *dpu_info, + struct psb_drm_dpu_rect *rect) +{ + if (rect->x < 0) + rect->x = 0; + if (rect->y < 0) + rect->y = 0; + + if (rect->x + rect->width > 864) + rect->width = 864 - rect->x; + if (rect->y + rect->height > 480) + rect->height = 480 - rect->height; + + if (!rect->width) + rect->width = 1; + if (!rect->height) + rect->height = 1; +} + +static inline void mdfld_dpu_init_damage(struct mdfld_dbi_dpu_info *dpu_info, + int pipe) +{ + struct psb_drm_dpu_rect *rect; + + if (pipe == 0) + rect = &dpu_info->damage_pipea; + else + rect = &dpu_info->damage_pipec; + + rect->x = 864; + rect->y = 480; + rect->width = -864; + rect->height = -480; +} + +extern int mdfld_dsi_dbi_dsr_off(struct drm_device *dev, + struct psb_drm_dpu_rect *rect); +extern int mdfld_dbi_dpu_report_damage(struct drm_device *dev, + mdfld_plane_t plane, + struct psb_drm_dpu_rect *rect); +extern int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev); +extern int mdfld_dpu_exit_dsr(struct drm_device *dev); +extern void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info); +extern int mdfld_dbi_dpu_init(struct drm_device *dev); +extern void mdfld_dbi_dpu_exit(struct drm_device *dev); +extern void mdfld_dpu_update_panel(struct drm_device *dev); + +#endif /*__MDFLD_DSI_DBI_DPU_H__*/ |