2009-07-05 13:51:42 +04:00
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/*
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* Copyright © 2007 David Airlie
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* David Airlie
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*/
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/*
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* Modularization
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*/
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//#include <linux/module.h>
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//#include <linux/kernel.h>
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//#include <linux/errno.h>
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//#include <linux/string.h>
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//#include <linux/mm.h>
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//#include <linux/tty.h>
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//#include <linux/slab.h>
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//#include <linux/delay.h>
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//#include <linux/fb.h>
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//#include <linux/init.h>
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#include "drmP.h"
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#include "drm.h"
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#include "drm_crtc.h"
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#include "drm_crtc_helper.h"
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#include "radeon_drm.h"
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#include "radeon.h"
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#include <drm_mm.h>
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#include "radeon_object.h"
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#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
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#define FB_VISUAL_TRUECOLOR 2 /* True color */
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struct fb_fix_screeninfo {
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char id[16]; /* identification string eg "TT Builtin" */
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unsigned long smem_start; /* Start of frame buffer mem */
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/* (physical address) */
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__u32 smem_len; /* Length of frame buffer mem */
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__u32 type; /* see FB_TYPE_* */
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__u32 type_aux; /* Interleave for interleaved Planes */
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__u32 visual; /* see FB_VISUAL_* */
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__u16 xpanstep; /* zero if no hardware panning */
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__u16 ypanstep; /* zero if no hardware panning */
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__u16 ywrapstep; /* zero if no hardware ywrap */
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__u32 line_length; /* length of a line in bytes */
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unsigned long mmio_start; /* Start of Memory Mapped I/O */
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/* (physical address) */
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__u32 mmio_len; /* Length of Memory Mapped I/O */
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__u32 accel; /* Indicate to driver which */
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/* specific chip/card we have */
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__u16 reserved[3]; /* Reserved for future compatibility */
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};
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struct fb_bitfield {
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__u32 offset; /* beginning of bitfield */
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__u32 length; /* length of bitfield */
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__u32 msb_right; /* != 0 : Most significant bit is */
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/* right */
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};
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struct fb_var_screeninfo {
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__u32 xres; /* visible resolution */
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__u32 yres;
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__u32 xres_virtual; /* virtual resolution */
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__u32 yres_virtual;
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__u32 xoffset; /* offset from virtual to visible */
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__u32 yoffset; /* resolution */
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__u32 bits_per_pixel; /* guess what */
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__u32 grayscale; /* != 0 Graylevels instead of colors */
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struct fb_bitfield red; /* bitfield in fb mem if true color, */
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struct fb_bitfield green; /* else only length is significant */
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struct fb_bitfield blue;
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struct fb_bitfield transp; /* transparency */
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__u32 nonstd; /* != 0 Non standard pixel format */
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__u32 activate; /* see FB_ACTIVATE_* */
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__u32 height; /* height of picture in mm */
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__u32 width; /* width of picture in mm */
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__u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
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/* Timing: All values in pixclocks, except pixclock (of course) */
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__u32 pixclock; /* pixel clock in ps (pico seconds) */
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__u32 left_margin; /* time from sync to picture */
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__u32 right_margin; /* time from picture to sync */
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__u32 upper_margin; /* time from sync to picture */
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__u32 lower_margin;
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__u32 hsync_len; /* length of horizontal sync */
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__u32 vsync_len; /* length of vertical sync */
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__u32 sync; /* see FB_SYNC_* */
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__u32 vmode; /* see FB_VMODE_* */
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__u32 rotate; /* angle we rotate counter clockwise */
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__u32 reserved[5]; /* Reserved for future compatibility */
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};
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struct fb_chroma {
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__u32 redx; /* in fraction of 1024 */
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__u32 greenx;
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__u32 bluex;
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__u32 whitex;
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__u32 redy;
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__u32 greeny;
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__u32 bluey;
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__u32 whitey;
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};
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struct fb_videomode {
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const char *name; /* optional */
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u32 refresh; /* optional */
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u32 xres;
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u32 yres;
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u32 pixclock;
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u32 left_margin;
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u32 right_margin;
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u32 upper_margin;
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u32 lower_margin;
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u32 hsync_len;
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u32 vsync_len;
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u32 sync;
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u32 vmode;
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u32 flag;
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};
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struct fb_monspecs {
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struct fb_chroma chroma;
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struct fb_videomode *modedb; /* mode database */
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__u8 manufacturer[4]; /* Manufacturer */
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__u8 monitor[14]; /* Monitor String */
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__u8 serial_no[14]; /* Serial Number */
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__u8 ascii[14]; /* ? */
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__u32 modedb_len; /* mode database length */
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__u32 model; /* Monitor Model */
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__u32 serial; /* Serial Number - Integer */
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__u32 year; /* Year manufactured */
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__u32 week; /* Week Manufactured */
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__u32 hfmin; /* hfreq lower limit (Hz) */
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__u32 hfmax; /* hfreq upper limit (Hz) */
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__u32 dclkmin; /* pixelclock lower limit (Hz) */
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__u32 dclkmax; /* pixelclock upper limit (Hz) */
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__u16 input; /* display type - see FB_DISP_* */
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__u16 dpms; /* DPMS support - see FB_DPMS_ */
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__u16 signal; /* Signal Type - see FB_SIGNAL_* */
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__u16 vfmin; /* vfreq lower limit (Hz) */
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__u16 vfmax; /* vfreq upper limit (Hz) */
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__u16 gamma; /* Gamma - in fractions of 100 */
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__u16 gtf : 1; /* supports GTF */
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__u16 misc; /* Misc flags - see FB_MISC_* */
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__u8 version; /* EDID version... */
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__u8 revision; /* ...and revision */
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__u8 max_x; /* Maximum horizontal size (cm) */
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__u8 max_y; /* Maximum vertical size (cm) */
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};
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struct fb_info {
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int node;
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int flags;
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// struct mutex lock; /* Lock for open/release/ioctl funcs */
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// struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */
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struct fb_var_screeninfo var; /* Current var */
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struct fb_fix_screeninfo fix; /* Current fix */
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struct fb_monspecs monspecs; /* Current Monitor specs */
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// struct work_struct queue; /* Framebuffer event queue */
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// struct fb_pixmap pixmap; /* Image hardware mapper */
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// struct fb_pixmap sprite; /* Cursor hardware mapper */
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// struct fb_cmap cmap; /* Current cmap */
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struct list_head modelist; /* mode list */
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struct fb_videomode *mode; /* current mode */
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#ifdef CONFIG_FB_BACKLIGHT
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/* assigned backlight device */
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/* set before framebuffer registration,
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remove after unregister */
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struct backlight_device *bl_dev;
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/* Backlight level curve */
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struct mutex bl_curve_mutex;
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u8 bl_curve[FB_BACKLIGHT_LEVELS];
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#endif
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#ifdef CONFIG_FB_DEFERRED_IO
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struct delayed_work deferred_work;
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struct fb_deferred_io *fbdefio;
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#endif
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struct fb_ops *fbops;
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// struct device *device; /* This is the parent */
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// struct device *dev; /* This is this fb device */
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int class_flag; /* private sysfs flags */
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#ifdef CONFIG_FB_TILEBLITTING
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struct fb_tile_ops *tileops; /* Tile Blitting */
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#endif
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char __iomem *screen_base; /* Virtual address */
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unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
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void *pseudo_palette; /* Fake palette of 16 colors */
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#define FBINFO_STATE_RUNNING 0
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#define FBINFO_STATE_SUSPENDED 1
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u32 state; /* Hardware state i.e suspend */
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void *fbcon_par; /* fbcon use-only private area */
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/* From here on everything is device dependent */
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void *par;
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/* we need the PCI or similiar aperture base/size not
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smem_start/size as smem_start may just be an object
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allocated inside the aperture so may not actually overlap */
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resource_size_t aperture_base;
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resource_size_t aperture_size;
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};
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struct radeon_fb_device {
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struct radeon_device *rdev;
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struct drm_display_mode *mode;
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struct radeon_framebuffer *rfb;
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int crtc_count;
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/* crtc currently bound to this */
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uint32_t crtc_ids[2];
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};
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int radeon_gem_fb_object_create(struct radeon_device *rdev, int size,
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int alignment, int initial_domain,
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bool discardable, bool kernel,
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bool interruptible,
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struct drm_gem_object **obj);
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struct fb_info *framebuffer_alloc(size_t size);
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#if 0
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static int radeonfb_setcolreg(unsigned regno,
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unsigned red,
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unsigned green,
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unsigned blue,
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unsigned transp,
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struct fb_info *info)
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{
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struct radeon_fb_device *rfbdev = info->par;
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struct drm_device *dev = rfbdev->rdev->ddev;
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struct drm_crtc *crtc;
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int i;
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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struct drm_mode_set *modeset = &radeon_crtc->mode_set;
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struct drm_framebuffer *fb = modeset->fb;
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for (i = 0; i < rfbdev->crtc_count; i++) {
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if (crtc->base.id == rfbdev->crtc_ids[i]) {
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break;
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}
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}
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if (i == rfbdev->crtc_count) {
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continue;
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}
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if (regno > 255) {
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return 1;
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}
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if (fb->depth == 8) {
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radeon_crtc_fb_gamma_set(crtc, red, green, blue, regno);
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return 0;
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}
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if (regno < 16) {
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switch (fb->depth) {
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case 15:
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fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) |
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((green & 0xf800) >> 6) |
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((blue & 0xf800) >> 11);
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break;
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case 16:
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fb->pseudo_palette[regno] = (red & 0xf800) |
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((green & 0xfc00) >> 5) |
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((blue & 0xf800) >> 11);
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break;
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case 24:
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case 32:
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fb->pseudo_palette[regno] = ((red & 0xff00) << 8) |
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(green & 0xff00) |
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((blue & 0xff00) >> 8);
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break;
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}
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}
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}
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return 0;
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}
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static int radeonfb_check_var(struct fb_var_screeninfo *var,
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struct fb_info *info)
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{
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struct radeon_fb_device *rfbdev = info->par;
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struct radeon_framebuffer *rfb = rfbdev->rfb;
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struct drm_framebuffer *fb = &rfb->base;
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int depth;
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if (var->pixclock == -1 || !var->pixclock) {
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return -EINVAL;
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}
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/* Need to resize the fb object !!! */
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if (var->xres > fb->width || var->yres > fb->height) {
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DRM_ERROR("Requested width/height is greater than current fb "
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"object %dx%d > %dx%d\n", var->xres, var->yres,
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fb->width, fb->height);
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DRM_ERROR("Need resizing code.\n");
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return -EINVAL;
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}
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switch (var->bits_per_pixel) {
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case 16:
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depth = (var->green.length == 6) ? 16 : 15;
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break;
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case 32:
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depth = (var->transp.length > 0) ? 32 : 24;
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break;
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default:
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depth = var->bits_per_pixel;
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break;
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}
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switch (depth) {
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case 8:
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var->red.offset = 0;
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var->green.offset = 0;
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var->blue.offset = 0;
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var->red.length = 8;
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var->green.length = 8;
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var->blue.length = 8;
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var->transp.length = 0;
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var->transp.offset = 0;
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break;
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case 15:
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var->red.offset = 10;
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var->green.offset = 5;
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var->blue.offset = 0;
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var->red.length = 5;
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var->green.length = 5;
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var->blue.length = 5;
|
|
|
|
var->transp.length = 1;
|
|
|
|
var->transp.offset = 15;
|
|
|
|
break;
|
|
|
|
case 16:
|
|
|
|
var->red.offset = 11;
|
|
|
|
var->green.offset = 5;
|
|
|
|
var->blue.offset = 0;
|
|
|
|
var->red.length = 5;
|
|
|
|
var->green.length = 6;
|
|
|
|
var->blue.length = 5;
|
|
|
|
var->transp.length = 0;
|
|
|
|
var->transp.offset = 0;
|
|
|
|
break;
|
|
|
|
case 24:
|
|
|
|
var->red.offset = 16;
|
|
|
|
var->green.offset = 8;
|
|
|
|
var->blue.offset = 0;
|
|
|
|
var->red.length = 8;
|
|
|
|
var->green.length = 8;
|
|
|
|
var->blue.length = 8;
|
|
|
|
var->transp.length = 0;
|
|
|
|
var->transp.offset = 0;
|
|
|
|
break;
|
|
|
|
case 32:
|
|
|
|
var->red.offset = 16;
|
|
|
|
var->green.offset = 8;
|
|
|
|
var->blue.offset = 0;
|
|
|
|
var->red.length = 8;
|
|
|
|
var->green.length = 8;
|
|
|
|
var->blue.length = 8;
|
|
|
|
var->transp.length = 8;
|
|
|
|
var->transp.offset = 24;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
/* this will let fbcon do the mode init */
|
|
|
|
static int radeonfb_set_par(struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeon_fb_device *rfbdev = info->par;
|
|
|
|
struct drm_device *dev = rfbdev->rdev->ddev;
|
|
|
|
struct fb_var_screeninfo *var = &info->var;
|
|
|
|
struct drm_crtc *crtc;
|
|
|
|
int ret;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (var->pixclock != -1) {
|
|
|
|
DRM_ERROR("PIXEL CLCOK SET\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
|
|
|
|
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
|
|
|
|
|
|
|
|
for (i = 0; i < rfbdev->crtc_count; i++) {
|
|
|
|
if (crtc->base.id == rfbdev->crtc_ids[i]) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (i == rfbdev->crtc_count) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (crtc->fb == radeon_crtc->mode_set.fb) {
|
|
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
|
|
ret = crtc->funcs->set_config(&radeon_crtc->mode_set);
|
|
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
if (ret) {
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
|
|
|
|
static int radeonfb_pan_display(struct fb_var_screeninfo *var,
|
|
|
|
struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeon_fb_device *rfbdev = info->par;
|
|
|
|
struct drm_device *dev = rfbdev->rdev->ddev;
|
|
|
|
struct drm_mode_set *modeset;
|
|
|
|
struct drm_crtc *crtc;
|
|
|
|
struct radeon_crtc *radeon_crtc;
|
|
|
|
int ret = 0;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
|
|
|
|
for (i = 0; i < rfbdev->crtc_count; i++) {
|
|
|
|
if (crtc->base.id == rfbdev->crtc_ids[i]) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (i == rfbdev->crtc_count) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
radeon_crtc = to_radeon_crtc(crtc);
|
|
|
|
modeset = &radeon_crtc->mode_set;
|
|
|
|
|
|
|
|
modeset->x = var->xoffset;
|
|
|
|
modeset->y = var->yoffset;
|
|
|
|
|
|
|
|
if (modeset->num_connectors) {
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
ret = crtc->funcs->set_config(modeset);
|
|
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
if (!ret) {
|
|
|
|
info->var.xoffset = var->xoffset;
|
|
|
|
info->var.yoffset = var->yoffset;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void radeonfb_on(struct fb_info *info)
|
|
|
|
{
|
|
|
|
struct radeon_fb_device *rfbdev = info->par;
|
|
|
|
struct drm_device *dev = rfbdev->rdev->ddev;
|
|
|
|
struct drm_crtc *crtc;
|
|
|
|
struct drm_encoder *encoder;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* For each CRTC in this fb, find all associated encoders
|
|
|
|
* and turn them off, then turn off the CRTC.
|
|
|
|
*/
|
|
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
|
|
|
|
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
|
|
|
|
|
|
|
|
for (i = 0; i < rfbdev->crtc_count; i++) {
|
|
|
|
if (crtc->base.id == rfbdev->crtc_ids[i]) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
|
|
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
|
|
|
|
/* Found a CRTC on this fb, now find encoders */
|
|
|
|
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
|
|
|
|
if (encoder->crtc == crtc) {
|
|
|
|
struct drm_encoder_helper_funcs *encoder_funcs;
|
|
|
|
|
|
|
|
encoder_funcs = encoder->helper_private;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
|
|
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void radeonfb_off(struct fb_info *info, int dpms_mode)
|
|
|
|
{
|
|
|
|
struct radeon_fb_device *rfbdev = info->par;
|
|
|
|
struct drm_device *dev = rfbdev->rdev->ddev;
|
|
|
|
struct drm_crtc *crtc;
|
|
|
|
struct drm_encoder *encoder;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* For each CRTC in this fb, find all associated encoders
|
|
|
|
* and turn them off, then turn off the CRTC.
|
|
|
|
*/
|
|
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
|
|
|
|
struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
|
|
|
|
|
|
|
|
for (i = 0; i < rfbdev->crtc_count; i++) {
|
|
|
|
if (crtc->base.id == rfbdev->crtc_ids[i]) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Found a CRTC on this fb, now find encoders */
|
|
|
|
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
|
|
|
|
if (encoder->crtc == crtc) {
|
|
|
|
struct drm_encoder_helper_funcs *encoder_funcs;
|
|
|
|
|
|
|
|
encoder_funcs = encoder->helper_private;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
encoder_funcs->dpms(encoder, dpms_mode);
|
|
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (dpms_mode == DRM_MODE_DPMS_OFF) {
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
crtc_funcs->dpms(crtc, dpms_mode);
|
|
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
int radeonfb_blank(int blank, struct fb_info *info)
|
|
|
|
{
|
|
|
|
switch (blank) {
|
|
|
|
case FB_BLANK_UNBLANK:
|
|
|
|
radeonfb_on(info);
|
|
|
|
break;
|
|
|
|
case FB_BLANK_NORMAL:
|
|
|
|
radeonfb_off(info, DRM_MODE_DPMS_STANDBY);
|
|
|
|
break;
|
|
|
|
case FB_BLANK_HSYNC_SUSPEND:
|
|
|
|
radeonfb_off(info, DRM_MODE_DPMS_STANDBY);
|
|
|
|
break;
|
|
|
|
case FB_BLANK_VSYNC_SUSPEND:
|
|
|
|
radeonfb_off(info, DRM_MODE_DPMS_SUSPEND);
|
|
|
|
break;
|
|
|
|
case FB_BLANK_POWERDOWN:
|
|
|
|
radeonfb_off(info, DRM_MODE_DPMS_OFF);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct fb_ops radeonfb_ops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.fb_check_var = radeonfb_check_var,
|
|
|
|
.fb_set_par = radeonfb_set_par,
|
|
|
|
.fb_setcolreg = radeonfb_setcolreg,
|
|
|
|
.fb_fillrect = cfb_fillrect,
|
|
|
|
.fb_copyarea = cfb_copyarea,
|
|
|
|
.fb_imageblit = cfb_imageblit,
|
|
|
|
.fb_pan_display = radeonfb_pan_display,
|
|
|
|
.fb_blank = radeonfb_blank,
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Curretly it is assumed that the old framebuffer is reused.
|
|
|
|
*
|
|
|
|
* LOCKING
|
|
|
|
* caller should hold the mode config lock.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int radeonfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
|
|
|
|
{
|
|
|
|
struct fb_info *info;
|
|
|
|
struct drm_framebuffer *fb;
|
|
|
|
struct drm_display_mode *mode = crtc->desired_mode;
|
|
|
|
|
|
|
|
fb = crtc->fb;
|
|
|
|
if (fb == NULL) {
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
info = fb->fbdev;
|
|
|
|
if (info == NULL) {
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
if (mode == NULL) {
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
info->var.xres = mode->hdisplay;
|
|
|
|
info->var.right_margin = mode->hsync_start - mode->hdisplay;
|
|
|
|
info->var.hsync_len = mode->hsync_end - mode->hsync_start;
|
|
|
|
info->var.left_margin = mode->htotal - mode->hsync_end;
|
|
|
|
info->var.yres = mode->vdisplay;
|
|
|
|
info->var.lower_margin = mode->vsync_start - mode->vdisplay;
|
|
|
|
info->var.vsync_len = mode->vsync_end - mode->vsync_start;
|
|
|
|
info->var.upper_margin = mode->vtotal - mode->vsync_end;
|
|
|
|
info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100;
|
|
|
|
/* avoid overflow */
|
|
|
|
info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(radeonfb_resize);
|
|
|
|
|
|
|
|
static struct drm_mode_set panic_mode;
|
|
|
|
|
|
|
|
int radeonfb_panic(struct notifier_block *n, unsigned long ununsed,
|
|
|
|
void *panic_str)
|
|
|
|
{
|
|
|
|
DRM_ERROR("panic occurred, switching back to text console\n");
|
|
|
|
drm_crtc_helper_set_config(&panic_mode);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(radeonfb_panic);
|
|
|
|
|
|
|
|
static struct notifier_block paniced = {
|
|
|
|
.notifier_call = radeonfb_panic,
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp)
|
|
|
|
{
|
|
|
|
int aligned = width;
|
|
|
|
int align_large = (ASIC_IS_AVIVO(rdev));
|
|
|
|
int pitch_mask = 0;
|
|
|
|
|
|
|
|
switch (bpp / 8) {
|
|
|
|
case 1:
|
|
|
|
pitch_mask = align_large ? 255 : 127;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
pitch_mask = align_large ? 127 : 31;
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
case 4:
|
|
|
|
pitch_mask = align_large ? 63 : 15;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
aligned += pitch_mask;
|
|
|
|
aligned &= ~pitch_mask;
|
|
|
|
return aligned;
|
|
|
|
}
|
|
|
|
|
|
|
|
int radeonfb_create(struct radeon_device *rdev,
|
|
|
|
uint32_t fb_width, uint32_t fb_height,
|
|
|
|
uint32_t surface_width, uint32_t surface_height,
|
|
|
|
struct radeon_framebuffer **rfb_p)
|
|
|
|
{
|
|
|
|
struct fb_info *info;
|
|
|
|
struct radeon_fb_device *rfbdev;
|
|
|
|
struct drm_framebuffer *fb = NULL;
|
|
|
|
struct radeon_framebuffer *rfb;
|
|
|
|
struct drm_mode_fb_cmd mode_cmd;
|
|
|
|
struct drm_gem_object *gobj = NULL;
|
|
|
|
struct radeon_object *robj = NULL;
|
|
|
|
// struct device *device = &rdev->pdev->dev;
|
|
|
|
int size, aligned_size, ret;
|
|
|
|
u64 fb_gpuaddr;
|
|
|
|
void *fbptr = NULL;
|
|
|
|
unsigned long tmp;
|
|
|
|
|
|
|
|
ENTRY();
|
|
|
|
|
|
|
|
mode_cmd.width = surface_width;
|
|
|
|
mode_cmd.height = surface_height;
|
|
|
|
mode_cmd.bpp = 32;
|
|
|
|
/* need to align pitch with crtc limits */
|
|
|
|
mode_cmd.pitch = radeon_align_pitch(rdev, mode_cmd.width, mode_cmd.bpp) * ((mode_cmd.bpp + 1) / 8);
|
|
|
|
mode_cmd.depth = 32;
|
|
|
|
|
|
|
|
size = mode_cmd.pitch * mode_cmd.height;
|
|
|
|
aligned_size = ALIGN(size, PAGE_SIZE);
|
|
|
|
|
|
|
|
ret = radeon_gem_fb_object_create(rdev, aligned_size, 0,
|
|
|
|
RADEON_GEM_DOMAIN_VRAM,
|
|
|
|
false, 0,
|
|
|
|
false, &gobj);
|
|
|
|
|
|
|
|
|
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR "failed to allocate framebuffer (%d %d)\n",
|
|
|
|
surface_width, surface_height);
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
robj = gobj->driver_private;
|
|
|
|
|
|
|
|
// mutex_lock(&rdev->ddev->struct_mutex);
|
|
|
|
fb = radeon_framebuffer_create(rdev->ddev, &mode_cmd, gobj);
|
|
|
|
if (fb == NULL) {
|
|
|
|
DRM_ERROR("failed to allocate fb.\n");
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto out_unref;
|
|
|
|
}
|
|
|
|
ret = radeon_object_pin(robj, RADEON_GEM_DOMAIN_VRAM, &fb_gpuaddr);
|
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR "failed to pin framebuffer\n");
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto out_unref;
|
|
|
|
}
|
|
|
|
|
|
|
|
list_add(&fb->filp_head, &rdev->ddev->mode_config.fb_kernel_list);
|
|
|
|
|
|
|
|
rfb = to_radeon_framebuffer(fb);
|
|
|
|
*rfb_p = rfb;
|
|
|
|
rdev->fbdev_rfb = rfb;
|
|
|
|
rdev->fbdev_robj = robj;
|
|
|
|
|
|
|
|
info = framebuffer_alloc(sizeof(struct radeon_fb_device));
|
|
|
|
if (info == NULL) {
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto out_unref;
|
|
|
|
}
|
|
|
|
rfbdev = info->par;
|
|
|
|
|
|
|
|
// ret = radeon_object_kmap(robj, &fbptr);
|
|
|
|
// if (ret) {
|
|
|
|
// goto out_unref;
|
|
|
|
// }
|
|
|
|
|
|
|
|
fbptr = (void*)0xFE000000; // LFB_BASE
|
|
|
|
|
|
|
|
|
|
|
|
strcpy(info->fix.id, "radeondrmfb");
|
|
|
|
info->fix.type = FB_TYPE_PACKED_PIXELS;
|
|
|
|
info->fix.visual = FB_VISUAL_TRUECOLOR;
|
|
|
|
info->fix.type_aux = 0;
|
|
|
|
info->fix.xpanstep = 1; /* doing it in hw */
|
|
|
|
info->fix.ypanstep = 1; /* doing it in hw */
|
|
|
|
info->fix.ywrapstep = 0;
|
|
|
|
// info->fix.accel = FB_ACCEL_NONE;
|
|
|
|
info->fix.type_aux = 0;
|
|
|
|
// info->flags = FBINFO_DEFAULT;
|
|
|
|
// info->fbops = &radeonfb_ops;
|
|
|
|
info->fix.line_length = fb->pitch;
|
|
|
|
tmp = fb_gpuaddr - rdev->mc.vram_location;
|
|
|
|
info->fix.smem_start = rdev->mc.aper_base + tmp;
|
|
|
|
info->fix.smem_len = size;
|
|
|
|
info->screen_base = fbptr;
|
|
|
|
info->screen_size = size;
|
|
|
|
info->pseudo_palette = fb->pseudo_palette;
|
|
|
|
info->var.xres_virtual = fb->width;
|
|
|
|
info->var.yres_virtual = fb->height;
|
|
|
|
info->var.bits_per_pixel = fb->bits_per_pixel;
|
|
|
|
info->var.xoffset = 0;
|
|
|
|
info->var.yoffset = 0;
|
|
|
|
// info->var.activate = FB_ACTIVATE_NOW;
|
|
|
|
info->var.height = -1;
|
|
|
|
info->var.width = -1;
|
|
|
|
info->var.xres = fb_width;
|
|
|
|
info->var.yres = fb_height;
|
|
|
|
info->fix.mmio_start = 0;
|
|
|
|
info->fix.mmio_len = 0;
|
|
|
|
// info->pixmap.size = 64*1024;
|
|
|
|
// info->pixmap.buf_align = 8;
|
|
|
|
// info->pixmap.access_align = 32;
|
|
|
|
// info->pixmap.flags = FB_PIXMAP_SYSTEM;
|
|
|
|
// info->pixmap.scan_align = 1;
|
|
|
|
if (info->screen_base == NULL) {
|
|
|
|
ret = -ENOSPC;
|
|
|
|
goto out_unref;
|
|
|
|
}
|
|
|
|
DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start);
|
|
|
|
DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base);
|
|
|
|
DRM_INFO("size %lu\n", (unsigned long)size);
|
|
|
|
DRM_INFO("fb depth is %d\n", fb->depth);
|
|
|
|
DRM_INFO(" pitch is %d\n", fb->pitch);
|
|
|
|
|
|
|
|
switch (fb->depth) {
|
|
|
|
case 8:
|
|
|
|
info->var.red.offset = 0;
|
|
|
|
info->var.green.offset = 0;
|
|
|
|
info->var.blue.offset = 0;
|
|
|
|
info->var.red.length = 8; /* 8bit DAC */
|
|
|
|
info->var.green.length = 8;
|
|
|
|
info->var.blue.length = 8;
|
|
|
|
info->var.transp.offset = 0;
|
|
|
|
info->var.transp.length = 0;
|
|
|
|
break;
|
|
|
|
case 15:
|
|
|
|
info->var.red.offset = 10;
|
|
|
|
info->var.green.offset = 5;
|
|
|
|
info->var.blue.offset = 0;
|
|
|
|
info->var.red.length = 5;
|
|
|
|
info->var.green.length = 5;
|
|
|
|
info->var.blue.length = 5;
|
|
|
|
info->var.transp.offset = 15;
|
|
|
|
info->var.transp.length = 1;
|
|
|
|
break;
|
|
|
|
case 16:
|
|
|
|
info->var.red.offset = 11;
|
|
|
|
info->var.green.offset = 5;
|
|
|
|
info->var.blue.offset = 0;
|
|
|
|
info->var.red.length = 5;
|
|
|
|
info->var.green.length = 6;
|
|
|
|
info->var.blue.length = 5;
|
|
|
|
info->var.transp.offset = 0;
|
|
|
|
break;
|
|
|
|
case 24:
|
|
|
|
info->var.red.offset = 16;
|
|
|
|
info->var.green.offset = 8;
|
|
|
|
info->var.blue.offset = 0;
|
|
|
|
info->var.red.length = 8;
|
|
|
|
info->var.green.length = 8;
|
|
|
|
info->var.blue.length = 8;
|
|
|
|
info->var.transp.offset = 0;
|
|
|
|
info->var.transp.length = 0;
|
|
|
|
break;
|
|
|
|
case 32:
|
|
|
|
info->var.red.offset = 16;
|
|
|
|
info->var.green.offset = 8;
|
|
|
|
info->var.blue.offset = 0;
|
|
|
|
info->var.red.length = 8;
|
|
|
|
info->var.green.length = 8;
|
|
|
|
info->var.blue.length = 8;
|
|
|
|
info->var.transp.offset = 24;
|
|
|
|
info->var.transp.length = 8;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
dbgprintf("fb = %x\n", fb);
|
|
|
|
|
|
|
|
fb->fbdev = info;
|
|
|
|
rfbdev->rfb = rfb;
|
|
|
|
rfbdev->rdev = rdev;
|
|
|
|
|
|
|
|
// mutex_unlock(&rdev->ddev->struct_mutex);
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
out_unref:
|
|
|
|
if (robj) {
|
|
|
|
// radeon_object_kunmap(robj);
|
|
|
|
}
|
|
|
|
if (fb && ret) {
|
|
|
|
list_del(&fb->filp_head);
|
|
|
|
// drm_gem_object_unreference(gobj);
|
|
|
|
// drm_framebuffer_cleanup(fb);
|
|
|
|
kfree(fb);
|
|
|
|
}
|
|
|
|
// drm_gem_object_unreference(gobj);
|
|
|
|
// mutex_unlock(&rdev->ddev->struct_mutex);
|
|
|
|
out:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int radeonfb_single_fb_probe(struct radeon_device *rdev)
|
|
|
|
{
|
|
|
|
struct drm_crtc *crtc;
|
|
|
|
struct drm_connector *connector;
|
|
|
|
unsigned int fb_width = (unsigned)-1, fb_height = (unsigned)-1;
|
|
|
|
unsigned int surface_width = 0, surface_height = 0;
|
|
|
|
int new_fb = 0;
|
|
|
|
int crtc_count = 0;
|
|
|
|
int ret, i, conn_count = 0;
|
|
|
|
struct radeon_framebuffer *rfb;
|
|
|
|
struct fb_info *info;
|
|
|
|
struct radeon_fb_device *rfbdev;
|
|
|
|
struct drm_mode_set *modeset = NULL;
|
|
|
|
|
|
|
|
ENTRY();
|
|
|
|
|
|
|
|
/* first up get a count of crtcs now in use and new min/maxes width/heights */
|
|
|
|
list_for_each_entry(crtc, &rdev->ddev->mode_config.crtc_list, head) {
|
|
|
|
if (drm_helper_crtc_in_use(crtc)) {
|
|
|
|
if (crtc->desired_mode) {
|
|
|
|
if (crtc->desired_mode->hdisplay < fb_width)
|
|
|
|
fb_width = crtc->desired_mode->hdisplay;
|
|
|
|
|
|
|
|
if (crtc->desired_mode->vdisplay < fb_height)
|
|
|
|
fb_height = crtc->desired_mode->vdisplay;
|
|
|
|
|
|
|
|
if (crtc->desired_mode->hdisplay > surface_width)
|
|
|
|
surface_width = crtc->desired_mode->hdisplay;
|
|
|
|
|
|
|
|
if (crtc->desired_mode->vdisplay > surface_height)
|
|
|
|
surface_height = crtc->desired_mode->vdisplay;
|
|
|
|
}
|
|
|
|
crtc_count++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (crtc_count == 0 || fb_width == -1 || fb_height == -1) {
|
|
|
|
/* hmm everyone went away - assume VGA cable just fell out
|
|
|
|
and will come back later. */
|
|
|
|
|
|
|
|
dbgprintf("crtc count %x width %x height %x\n",
|
|
|
|
crtc_count, fb_width, fb_height);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* do we have an fb already? */
|
|
|
|
if (list_empty(&rdev->ddev->mode_config.fb_kernel_list)) {
|
|
|
|
/* create an fb if we don't have one */
|
|
|
|
ret = radeonfb_create(rdev, fb_width, fb_height, surface_width, surface_height, &rfb);
|
|
|
|
if (ret) {
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
new_fb = 1;
|
|
|
|
} else {
|
|
|
|
struct drm_framebuffer *fb;
|
|
|
|
fb = list_first_entry(&rdev->ddev->mode_config.fb_kernel_list, struct drm_framebuffer, filp_head);
|
|
|
|
rfb = to_radeon_framebuffer(fb);
|
|
|
|
|
|
|
|
/* if someone hotplugs something bigger than we have already allocated, we are pwned.
|
|
|
|
As really we can't resize an fbdev that is in the wild currently due to fbdev
|
|
|
|
not really being designed for the lower layers moving stuff around under it.
|
|
|
|
- so in the grand style of things - punt. */
|
|
|
|
if ((fb->width < surface_width) || (fb->height < surface_height)) {
|
|
|
|
DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
info = rfb->base.fbdev;
|
|
|
|
rdev->fbdev_info = info;
|
|
|
|
rfbdev = info->par;
|
|
|
|
|
|
|
|
crtc_count = 0;
|
|
|
|
/* okay we need to setup new connector sets in the crtcs */
|
|
|
|
list_for_each_entry(crtc, &rdev->ddev->mode_config.crtc_list, head) {
|
|
|
|
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
|
|
|
|
modeset = &radeon_crtc->mode_set;
|
|
|
|
modeset->fb = &rfb->base;
|
|
|
|
conn_count = 0;
|
|
|
|
list_for_each_entry(connector, &rdev->ddev->mode_config.connector_list, head) {
|
|
|
|
if (connector->encoder)
|
|
|
|
if (connector->encoder->crtc == modeset->crtc) {
|
|
|
|
modeset->connectors[conn_count] = connector;
|
|
|
|
conn_count++;
|
|
|
|
if (conn_count > RADEONFB_CONN_LIMIT)
|
|
|
|
BUG();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = conn_count; i < RADEONFB_CONN_LIMIT; i++)
|
|
|
|
modeset->connectors[i] = NULL;
|
|
|
|
|
|
|
|
|
|
|
|
rfbdev->crtc_ids[crtc_count++] = crtc->base.id;
|
|
|
|
|
|
|
|
modeset->num_connectors = conn_count;
|
|
|
|
if (modeset->crtc->desired_mode) {
|
|
|
|
if (modeset->mode) {
|
|
|
|
drm_mode_destroy(rdev->ddev, modeset->mode);
|
|
|
|
}
|
|
|
|
modeset->mode = drm_mode_duplicate(rdev->ddev,
|
|
|
|
modeset->crtc->desired_mode);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
rfbdev->crtc_count = crtc_count;
|
|
|
|
|
|
|
|
if (new_fb) {
|
|
|
|
info->var.pixclock = -1;
|
|
|
|
// if (register_framebuffer(info) < 0)
|
|
|
|
// return -EINVAL;
|
|
|
|
} else {
|
|
|
|
radeonfb_set_par(info);
|
|
|
|
}
|
|
|
|
printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node,
|
|
|
|
info->fix.id);
|
|
|
|
|
|
|
|
/* Switch back to kernel console on panic */
|
|
|
|
// panic_mode = *modeset;
|
|
|
|
// atomic_notifier_chain_register(&panic_notifier_list, &paniced);
|
|
|
|
// printk(KERN_INFO "registered panic notifier\n");
|
|
|
|
LEAVE();
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int radeonfb_probe(struct drm_device *dev)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* something has changed in the lower levels of hell - deal with it
|
|
|
|
here */
|
|
|
|
|
|
|
|
/* two modes : a) 1 fb to rule all crtcs.
|
|
|
|
b) one fb per crtc.
|
|
|
|
two actions 1) new connected device
|
|
|
|
2) device removed.
|
|
|
|
case a/1 : if the fb surface isn't big enough - resize the surface fb.
|
|
|
|
if the fb size isn't big enough - resize fb into surface.
|
|
|
|
if everything big enough configure the new crtc/etc.
|
|
|
|
case a/2 : undo the configuration
|
|
|
|
possibly resize down the fb to fit the new configuration.
|
|
|
|
case b/1 : see if it is on a new crtc - setup a new fb and add it.
|
|
|
|
case b/2 : teardown the new fb.
|
|
|
|
*/
|
|
|
|
ret = radeonfb_single_fb_probe(dev->dev_private);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(radeonfb_probe);
|
|
|
|
|
|
|
|
int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
|
|
|
|
{
|
|
|
|
struct fb_info *info;
|
|
|
|
struct radeon_framebuffer *rfb = to_radeon_framebuffer(fb);
|
|
|
|
struct radeon_object *robj;
|
|
|
|
|
|
|
|
if (!fb) {
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
info = fb->fbdev;
|
|
|
|
if (info) {
|
|
|
|
robj = rfb->obj->driver_private;
|
|
|
|
// unregister_framebuffer(info);
|
|
|
|
// radeon_object_kunmap(robj);
|
|
|
|
// radeon_object_unpin(robj);
|
|
|
|
// framebuffer_release(info);
|
|
|
|
}
|
|
|
|
|
|
|
|
printk(KERN_INFO "unregistered panic notifier\n");
|
|
|
|
// atomic_notifier_chain_unregister(&panic_notifier_list, &paniced);
|
|
|
|
// memset(&panic_mode, 0, sizeof(struct drm_mode_set));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(radeonfb_remove);
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Allocate a GEM object of the specified size with shmfs backing store
|
|
|
|
*/
|
|
|
|
struct drm_gem_object *
|
|
|
|
drm_gem_object_alloc(struct drm_device *dev, size_t size)
|
|
|
|
{
|
|
|
|
struct drm_gem_object *obj;
|
|
|
|
|
|
|
|
BUG_ON((size & (PAGE_SIZE - 1)) != 0);
|
|
|
|
|
|
|
|
obj = kzalloc(sizeof(*obj), GFP_KERNEL);
|
|
|
|
|
|
|
|
obj->dev = dev;
|
|
|
|
// obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE);
|
|
|
|
// if (IS_ERR(obj->filp)) {
|
|
|
|
// kfree(obj);
|
|
|
|
// return NULL;
|
|
|
|
// }
|
|
|
|
|
|
|
|
// kref_init(&obj->refcount);
|
|
|
|
// kref_init(&obj->handlecount);
|
|
|
|
obj->size = size;
|
|
|
|
|
|
|
|
// if (dev->driver->gem_init_object != NULL &&
|
|
|
|
// dev->driver->gem_init_object(obj) != 0) {
|
|
|
|
// fput(obj->filp);
|
|
|
|
// kfree(obj);
|
|
|
|
// return NULL;
|
|
|
|
// }
|
|
|
|
// atomic_inc(&dev->object_count);
|
|
|
|
// atomic_add(obj->size, &dev->object_memory);
|
|
|
|
return obj;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int radeon_gem_fb_object_create(struct radeon_device *rdev, int size,
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|
|
int alignment, int initial_domain,
|
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bool discardable, bool kernel,
|
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|
|
bool interruptible,
|
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|
|
struct drm_gem_object **obj)
|
|
|
|
{
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|
|
struct drm_gem_object *gobj;
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struct radeon_object *robj;
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*obj = NULL;
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gobj = drm_gem_object_alloc(rdev->ddev, size);
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|
if (!gobj) {
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return -ENOMEM;
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|
}
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|
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/* At least align on page size */
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|
if (alignment < PAGE_SIZE) {
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|
alignment = PAGE_SIZE;
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}
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robj = kzalloc(sizeof(struct radeon_object), GFP_KERNEL);
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|
if (!robj) {
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DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n",
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|
|
size, initial_domain, alignment);
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|
// mutex_lock(&rdev->ddev->struct_mutex);
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|
// drm_gem_object_unreference(gobj);
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|
|
// mutex_unlock(&rdev->ddev->struct_mutex);
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|
return -ENOMEM;;
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|
}
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|
robj->rdev = rdev;
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robj->gobj = gobj;
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INIT_LIST_HEAD(&robj->list);
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robj->flags = TTM_PL_FLAG_VRAM;
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|
|
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|
|
|
struct drm_mm_node *vm_node;
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|
|
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vm_node = kzalloc(sizeof(*vm_node),0);
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|
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|
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vm_node->free = 0;
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|
|
vm_node->size = 0x800000 >> 12;
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|
|
vm_node->start = 0;
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|
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vm_node->mm = NULL;
|
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robj->mm_node = vm_node;
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|
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robj->vm_addr = ((uint32_t)robj->mm_node->start);
|
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gobj->driver_private = robj;
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|
|
*obj = gobj;
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|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
struct fb_info *framebuffer_alloc(size_t size)
|
|
|
|
{
|
|
|
|
#define BYTES_PER_LONG (BITS_PER_LONG/8)
|
|
|
|
#define PADDING (BYTES_PER_LONG - (sizeof(struct fb_info) % BYTES_PER_LONG))
|
|
|
|
int fb_info_size = sizeof(struct fb_info);
|
|
|
|
struct fb_info *info;
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
if (size)
|
|
|
|
fb_info_size += PADDING;
|
|
|
|
|
|
|
|
p = kzalloc(fb_info_size + size, GFP_KERNEL);
|
|
|
|
|
|
|
|
if (!p)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
info = (struct fb_info *) p;
|
|
|
|
|
|
|
|
if (size)
|
|
|
|
info->par = p + fb_info_size;
|
|
|
|
|
|
|
|
return info;
|
|
|
|
#undef PADDING
|
|
|
|
#undef BYTES_PER_LONG
|
|
|
|
}
|
|
|
|
|
2009-07-13 15:25:53 +04:00
|
|
|
static char *manufacturer_name(unsigned char *x)
|
|
|
|
{
|
|
|
|
static char name[4];
|
|
|
|
|
|
|
|
name[0] = ((x[0] & 0x7C) >> 2) + '@';
|
|
|
|
name[1] = ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@';
|
|
|
|
name[2] = (x[1] & 0x1F) + '@';
|
|
|
|
name[3] = 0;
|
|
|
|
|
|
|
|
return name;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool set_mode(struct drm_device *dev, int width, int height)
|
|
|
|
{
|
|
|
|
struct drm_connector *connector;
|
|
|
|
|
|
|
|
bool ret;
|
|
|
|
|
|
|
|
ENTRY();
|
|
|
|
|
|
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
|
|
|
|
{
|
|
|
|
struct drm_display_mode *mode;
|
|
|
|
|
|
|
|
struct drm_encoder *encoder;
|
|
|
|
struct drm_crtc *crtc;
|
|
|
|
|
|
|
|
if( connector->status != connector_status_connected)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
encoder = connector->encoder;
|
|
|
|
if( encoder == NULL)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
crtc = encoder->crtc;
|
|
|
|
|
|
|
|
if(crtc == NULL)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
list_for_each_entry(mode, &connector->modes, head)
|
|
|
|
{
|
|
|
|
char *con_name, *enc_name;
|
|
|
|
|
|
|
|
struct drm_framebuffer *fb;
|
|
|
|
|
|
|
|
if (drm_mode_width(mode) == width &&
|
|
|
|
drm_mode_height(mode) == height)
|
|
|
|
{
|
|
|
|
char con_edid[128];
|
|
|
|
|
|
|
|
fb = list_first_entry(&dev->mode_config.fb_kernel_list,
|
|
|
|
struct drm_framebuffer, filp_head);
|
|
|
|
|
|
|
|
memcpy(con_edid, connector->edid_blob_ptr->data, 128);
|
|
|
|
|
|
|
|
dbgprintf("Manufacturer: %s Model %x Serial Number %u\n",
|
|
|
|
manufacturer_name(con_edid + 0x08),
|
|
|
|
(unsigned short)(con_edid[0x0A] + (con_edid[0x0B] << 8)),
|
|
|
|
(unsigned int)(con_edid[0x0C] + (con_edid[0x0D] << 8)
|
|
|
|
+ (con_edid[0x0E] << 16) + (con_edid[0x0F] << 24)));
|
|
|
|
|
|
|
|
|
|
|
|
con_name = drm_get_connector_name(connector);
|
|
|
|
enc_name = drm_get_encoder_name(encoder);
|
|
|
|
|
|
|
|
dbgprintf("set mode %d %d connector %s encoder %s\n",
|
|
|
|
width, height, con_name, enc_name);
|
|
|
|
|
|
|
|
fb->width = width;
|
|
|
|
fb->height = height;
|
|
|
|
fb->pitch = radeon_align_pitch(dev->dev_private, width, 32)
|
|
|
|
* ((32 + 1) / 8);
|
|
|
|
|
|
|
|
crtc->fb = fb;
|
|
|
|
|
|
|
|
ret = drm_crtc_helper_set_mode(crtc, mode, 0, 0, fb);
|
|
|
|
|
|
|
|
sysSetScreen(width,height);
|
|
|
|
|
|
|
|
if (ret == true)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
DRM_ERROR("failed to set mode %d_%d on crtc %p\n",
|
|
|
|
width, height, crtc);
|
|
|
|
};
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
};
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
return false;
|
|
|
|
};
|
|
|
|
|
|
|
|
|