1 /* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 #include <linux/module.h>
19 #include <linux/kernel.h>
20 #include <linux/sched.h>
21 #include <linux/time.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/hrtimer.h>
26 #include <mach/hardware.h>
29 #include <asm/system.h>
30 #include <asm/mach-types.h>
31 #include <linux/semaphore.h>
32 #include <linux/spinlock.h>
39 static int cursor_enabled;
41 int mdp_hw_cursor_update(struct fb_info *info, struct fb_cursor *cursor)
43 struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)info->par;
44 struct fb_image *img = &cursor->image;
45 int calpha_en, transp_en;
49 if ((img->width > MDP_CURSOR_WIDTH) ||
50 (img->height > MDP_CURSOR_HEIGHT) ||
54 if (cursor->set & FB_CUR_SETPOS)
55 MDP_OUTP(MDP_BASE + 0x9004c, (img->dy << 16) | img->dx);
57 if (cursor->set & FB_CUR_SETIMAGE) {
58 ret = copy_from_user(mfd->cursor_buf, img->data,
59 img->width*img->height*4);
63 if (img->bg_color == 0xffffffff)
68 alpha = (img->fg_color & 0xff000000) >> 24;
71 calpha_en = 0x2; /* xrgb */
73 calpha_en = 0x1; /* argb */
75 MDP_OUTP(MDP_BASE + 0x90044, (img->height << 16) | img->width);
76 MDP_OUTP(MDP_BASE + 0x90048, mfd->cursor_buf_phys);
77 /* order the writes the cursor_buf before updating the
79 // dma_coherent_pre_ops();
80 MDP_OUTP(MDP_BASE + 0x90060,
81 (transp_en << 3) | (calpha_en << 1) |
82 (inp32(MDP_BASE + 0x90060) & 0x1));
83 #ifdef CONFIG_FB_MSM_MDP40
84 MDP_OUTP(MDP_BASE + 0x90064, (alpha << 24));
85 MDP_OUTP(MDP_BASE + 0x90068, (0xffffff & img->bg_color));
86 MDP_OUTP(MDP_BASE + 0x9006C, (0xffffff & img->bg_color));
88 MDP_OUTP(MDP_BASE + 0x90064,
89 (alpha << 24) | (0xffffff & img->bg_color));
90 MDP_OUTP(MDP_BASE + 0x90068, 0);
94 if ((cursor->enable) && (!cursor_enabled)) {
96 MDP_OUTP(MDP_BASE + 0x90060, inp32(MDP_BASE + 0x90060) | 0x1);
97 } else if ((!cursor->enable) && (cursor_enabled)) {
99 MDP_OUTP(MDP_BASE + 0x90060,
100 inp32(MDP_BASE + 0x90060) & (~0x1));