diff options
Diffstat (limited to 'drivers/mfd/glamo/glamo-drm-private.h')
| -rw-r--r-- | drivers/mfd/glamo/glamo-drm-private.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/mfd/glamo/glamo-drm-private.h b/drivers/mfd/glamo/glamo-drm-private.h new file mode 100644 index 00000000000..02ae7e9fd2e --- /dev/null +++ b/drivers/mfd/glamo/glamo-drm-private.h @@ -0,0 +1,155 @@ +/* Smedia Glamo 336x/337x DRM private bits + * + * Copyright (C) 2008-2009 Thomas White <taw@bitwiz.org.uk> + * Copyright (C) 2009 Andreas Pokorny <andreas.pokorny@gmail.com> + * Based on xf86-video-glamo + * Copyright 2007 OpenMoko, Inc. + * Copyright © 2009 Lars-Peter Clausen <lars@metafoo.de> + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __GLAMO_DRMPRIV_H +#define __GLAMO_DRMPRIV_H + + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/semaphore.h> +#include <linux/spinlock.h> +#include <linux/wait.h> + +#include "glamo-core.h" + + +/* Memory to allocate for the framebuffer. + * The rest is reserved for the DRM memory manager */ +#define GLAMO_FRAMEBUFFER_ALLOCATION (2*480*640) + + +struct glamodrm_handle { + + /* This device */ + struct device *dev; + + /* The parent device handle */ + struct glamo_core *glamo_core; + + /* Framebuffer handle for the console (i.e. /dev/fb0) */ + struct fb_info *fb; + + /* Command queue registers */ + struct resource *reg; + char __iomem *reg_base; + + /* VRAM region */ + struct resource *vram; + + /* Command queue region */ + struct resource *cmdq; + char __iomem *cmdq_base; + + /* LCD controller registers */ + struct resource *lcd_regs; + char __iomem *lcd_base; + + /* 2D engine registers */ + struct resource *twod_regs; + char __iomem *twod_base; + + ssize_t vram_size; + + /* Memory management */ + struct drm_mm *mmgr; + + /* semaphore against concurrent ioctl */ + struct semaphore add_to_ring; + + /* Saved state */ + u_int16_t saved_clock; + u_int16_t saved_width; + u_int16_t saved_height; + u_int16_t saved_pitch; + u_int16_t saved_htotal; + u_int16_t saved_hrtrst; + u_int16_t saved_hrtren; + u_int16_t saved_hdspst; + u_int16_t saved_hdspen; + u_int16_t saved_vtotal; + u_int16_t saved_vrtrst; + u_int16_t saved_vrtren; + u_int16_t saved_vdspst; + u_int16_t saved_vdspen; + + /* Fencing */ + atomic_t curr_seq; /* The last used stamp number */ + struct list_head fence_list; /* List of active fences */ + rwlock_t fence_list_lock; /* Lock to protect fence_list */ + wait_queue_head_t fence_queue; /* Waitqueue */ + struct tasklet_struct fence_tl; /* Tasklet for fence IRQ */ + + /* A scratch block */ + struct drm_mm_node *scratch; +}; + + +/* Private data. This is where we keep our memory management bits */ +struct drm_glamo_gem_object { + struct drm_gem_object *obj; /* The GEM object this refers to */ + struct drm_mm_node *block; /* Block handle for drm_mm */ + uint64_t mmap_offset; +}; + + +struct glamo_crtc { + struct drm_crtc base; + struct glamodrm_handle *gdrm; + /* a mode_set for fbdev users on this crtc */ + struct drm_mode_set mode_set; + int blank_mode; +}; + + +struct glamo_framebuffer { + struct drm_framebuffer base; + struct drm_gem_object *obj; +}; + + +struct glamo_output { + struct drm_connector base; + struct drm_encoder enc; + struct glamodrm_handle *gdrm; +}; + + +/* Colour mode for KMS framebuffer */ +enum { + GLAMO_FB_RGB565, + GLAMO_FB_ARGB1555, + GLAMO_FB_ARGB4444 +}; + + +#define to_glamo_crtc(x) container_of(x, struct glamo_crtc, base) +#define to_glamo_output(x) container_of(x, struct glamo_output, base) +#define enc_to_glamo_output(x) container_of(x, struct glamo_output, enc) +#define to_glamo_framebuffer(x) container_of(x, struct glamo_framebuffer, base) + + +#endif /* __GLAMO_DRMPRIV_H */ |