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path: root/drivers/video/w100fb.c
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Diffstat (limited to 'drivers/video/w100fb.c')
-rw-r--r--drivers/video/w100fb.c162
1 files changed, 158 insertions, 4 deletions
diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index f6e24ee85f0..5fc86ea2069 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -4,8 +4,9 @@
* Frame Buffer Device for ATI Imageon w100 (Wallaby)
*
* Copyright (C) 2002, ATI Corp.
- * Copyright (C) 2004-2005 Richard Purdie
+ * Copyright (C) 2004-2006 Richard Purdie
* Copyright (c) 2005 Ian Molton
+ * Copyright (c) 2006 Alberto Mardegan
*
* Rewritten for 2.6 by Richard Purdie <rpurdie@rpsys.net>
*
@@ -14,6 +15,9 @@
*
* w32xx support by Ian Molton
*
+ * Hardware acceleration support by Alberto Mardegan
+ * <mardy@users.sourceforge.net>
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
@@ -47,6 +51,7 @@ static void w100_set_dispregs(struct w100fb_par*);
static void w100_update_enable(void);
static void w100_update_disable(void);
static void calc_hsync(struct w100fb_par *par);
+static void w100_init_graphic_engine(struct w100fb_par *par);
struct w100_pll_info *w100_get_xtal_table(unsigned int freq);
/* Pseudo palette size */
@@ -248,6 +253,152 @@ static int w100fb_blank(int blank_mode, struct fb_info *info)
}
+static void w100_fifo_wait(int entries)
+{
+ union rbbm_status_u status;
+ int i;
+
+ for (i = 0; i < 2000000; i++) {
+ status.val = readl(remapped_regs + mmRBBM_STATUS);
+ if (status.f.cmdfifo_avail >= entries)
+ return;
+ udelay(1);
+ }
+ printk(KERN_ERR "w100fb: FIFO Timeout!\n");
+}
+
+
+static int w100fb_sync(struct fb_info *info)
+{
+ union rbbm_status_u status;
+ int i;
+
+ for (i = 0; i < 2000000; i++) {
+ status.val = readl(remapped_regs + mmRBBM_STATUS);
+ if (!status.f.gui_active)
+ return 0;
+ udelay(1);
+ }
+ printk(KERN_ERR "w100fb: Graphic engine timeout!\n");
+ return -EBUSY;
+}
+
+
+static void w100_init_graphic_engine(struct w100fb_par *par)
+{
+ union dp_gui_master_cntl_u gmc;
+ union dp_mix_u dp_mix;
+ union dp_datatype_u dp_datatype;
+ union dp_cntl_u dp_cntl;
+
+ w100_fifo_wait(4);
+ writel(W100_FB_BASE, remapped_regs + mmDST_OFFSET);
+ writel(par->xres, remapped_regs + mmDST_PITCH);
+ writel(W100_FB_BASE, remapped_regs + mmSRC_OFFSET);
+ writel(par->xres, remapped_regs + mmSRC_PITCH);
+
+ w100_fifo_wait(3);
+ writel(0, remapped_regs + mmSC_TOP_LEFT);
+ writel((par->yres << 16) | par->xres, remapped_regs + mmSC_BOTTOM_RIGHT);
+ writel(0x1fff1fff, remapped_regs + mmSRC_SC_BOTTOM_RIGHT);
+
+ w100_fifo_wait(4);
+ dp_cntl.val = 0;
+ dp_cntl.f.dst_x_dir = 1;
+ dp_cntl.f.dst_y_dir = 1;
+ dp_cntl.f.src_x_dir = 1;
+ dp_cntl.f.src_y_dir = 1;
+ dp_cntl.f.dst_major_x = 1;
+ dp_cntl.f.src_major_x = 1;
+ writel(dp_cntl.val, remapped_regs + mmDP_CNTL);
+
+ gmc.val = 0;
+ gmc.f.gmc_src_pitch_offset_cntl = 1;
+ gmc.f.gmc_dst_pitch_offset_cntl = 1;
+ gmc.f.gmc_src_clipping = 1;
+ gmc.f.gmc_dst_clipping = 1;
+ gmc.f.gmc_brush_datatype = GMC_BRUSH_NONE;
+ gmc.f.gmc_dst_datatype = 3; /* from DstType_16Bpp_444 */
+ gmc.f.gmc_src_datatype = SRC_DATATYPE_EQU_DST;
+ gmc.f.gmc_byte_pix_order = 1;
+ gmc.f.gmc_default_sel = 0;
+ gmc.f.gmc_rop3 = ROP3_SRCCOPY;
+ gmc.f.gmc_dp_src_source = DP_SRC_MEM_RECTANGULAR;
+ gmc.f.gmc_clr_cmp_fcn_dis = 1;
+ gmc.f.gmc_wr_msk_dis = 1;
+ gmc.f.gmc_dp_op = DP_OP_ROP;
+ writel(gmc.val, remapped_regs + mmDP_GUI_MASTER_CNTL);
+
+ dp_datatype.val = dp_mix.val = 0;
+ dp_datatype.f.dp_dst_datatype = gmc.f.gmc_dst_datatype;
+ dp_datatype.f.dp_brush_datatype = gmc.f.gmc_brush_datatype;
+ dp_datatype.f.dp_src2_type = 0;
+ dp_datatype.f.dp_src2_datatype = gmc.f.gmc_src_datatype;
+ dp_datatype.f.dp_src_datatype = gmc.f.gmc_src_datatype;
+ dp_datatype.f.dp_byte_pix_order = gmc.f.gmc_byte_pix_order;
+ writel(dp_datatype.val, remapped_regs + mmDP_DATATYPE);
+
+ dp_mix.f.dp_src_source = gmc.f.gmc_dp_src_source;
+ dp_mix.f.dp_src2_source = 1;
+ dp_mix.f.dp_rop3 = gmc.f.gmc_rop3;
+ dp_mix.f.dp_op = gmc.f.gmc_dp_op;
+ writel(dp_mix.val, remapped_regs + mmDP_MIX);
+}
+
+
+static void w100fb_fillrect(struct fb_info *info,
+ const struct fb_fillrect *rect)
+{
+ union dp_gui_master_cntl_u gmc;
+
+ if (info->state != FBINFO_STATE_RUNNING)
+ return;
+ if (info->flags & FBINFO_HWACCEL_DISABLED) {
+ cfb_fillrect(info, rect);
+ return;
+ }
+
+ gmc.val = readl(remapped_regs + mmDP_GUI_MASTER_CNTL);
+ gmc.f.gmc_rop3 = ROP3_PATCOPY;
+ gmc.f.gmc_brush_datatype = GMC_BRUSH_SOLID_COLOR;
+ w100_fifo_wait(2);
+ writel(gmc.val, remapped_regs + mmDP_GUI_MASTER_CNTL);
+ writel(rect->color, remapped_regs + mmDP_BRUSH_FRGD_CLR);
+
+ w100_fifo_wait(2);
+ writel((rect->dy << 16) | (rect->dx & 0xffff), remapped_regs + mmDST_Y_X);
+ writel((rect->width << 16) | (rect->height & 0xffff),
+ remapped_regs + mmDST_WIDTH_HEIGHT);
+}
+
+
+static void w100fb_copyarea(struct fb_info *info,
+ const struct fb_copyarea *area)
+{
+ u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy;
+ u32 h = area->height, w = area->width;
+ union dp_gui_master_cntl_u gmc;
+
+ if (info->state != FBINFO_STATE_RUNNING)
+ return;
+ if (info->flags & FBINFO_HWACCEL_DISABLED) {
+ cfb_copyarea(info, area);
+ return;
+ }
+
+ gmc.val = readl(remapped_regs + mmDP_GUI_MASTER_CNTL);
+ gmc.f.gmc_rop3 = ROP3_SRCCOPY;
+ gmc.f.gmc_brush_datatype = GMC_BRUSH_NONE;
+ w100_fifo_wait(1);
+ writel(gmc.val, remapped_regs + mmDP_GUI_MASTER_CNTL);
+
+ w100_fifo_wait(3);
+ writel((sy << 16) | (sx & 0xffff), remapped_regs + mmSRC_Y_X);
+ writel((dy << 16) | (dx & 0xffff), remapped_regs + mmDST_Y_X);
+ writel((w << 16) | (h & 0xffff), remapped_regs + mmDST_WIDTH_HEIGHT);
+}
+
+
/*
* Change the resolution by calling the appropriate hardware functions
*/
@@ -265,6 +416,7 @@ static void w100fb_activate_var(struct w100fb_par *par)
w100_init_lcd(par);
w100_set_dispregs(par);
w100_update_enable();
+ w100_init_graphic_engine(par);
calc_hsync(par);
@@ -394,9 +546,10 @@ static struct fb_ops w100fb_ops = {
.fb_set_par = w100fb_set_par,
.fb_setcolreg = w100fb_setcolreg,
.fb_blank = w100fb_blank,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
+ .fb_fillrect = w100fb_fillrect,
+ .fb_copyarea = w100fb_copyarea,
.fb_imageblit = cfb_imageblit,
+ .fb_sync = w100fb_sync,
};
#ifdef CONFIG_PM
@@ -543,7 +696,8 @@ int __init w100fb_probe(struct platform_device *pdev)
}
info->fbops = &w100fb_ops;
- info->flags = FBINFO_DEFAULT;
+ info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
+ FBINFO_HWACCEL_FILLRECT;
info->node = -1;
info->screen_base = remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE);
info->screen_size = REMAPPED_FB_LEN;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-30 22:59:03 +0000