incorporatet fbmem

Makefile

@@ -103,17 +103,19 @@ CSRCS= \
 	bootp.c \
 	tftp.c \
 	\
+	fbmem.c \
+	\
 	videl.c \
 	video.c \
 	\
+	radeon_base.c \
+	radeon_accel.c \
+	radeon_cursor.c \
+	radeon_monitor.c \
 	\
 	basflash.c \
 	basflash_start.c 
 
-#radeon_base.c \
-#radeon_vid.c \
-#radeon_accel.c \
-#radeon_cursor.c \
 
 ASRCS= \
 	startcf.S \

bas.lk.in

@@ -81,10 +81,12 @@ SECTIONS
 
 		OBJDIR/video.o
 		OBJDIR/videl.o
+		OBJDIR/fbmem.o
 
-		//OBJDIR/radeon_base.o
-		//OBJDIR/radeon_accel.o
-		//OBJDIR/radeon_cursor.o
+		OBJDIR/radeon_base.o
+		OBJDIR/radeon_accel.o
+		OBJDIR/radeon_cursor.o
+		OBJDIR/radeon_monitor.o
 
 		OBJDIR/xhdi_sd.o(.text)
 		OBJDIR/xhdi_interface.o(.text)

include/radeonfb.h

@@ -280,7 +280,8 @@ struct radeon_i2c_chan
 };
 #endif
 
-enum radeon_pm_mode {
+enum radeon_pm_mode
+{
 	radeon_pm_none	= 0,			/* Nothing supported */
 	radeon_pm_d2	= 0x00000001,	/* Can do D2 state */
 	radeon_pm_off	= 0x00000002,	/* Can resume from D3 cold */
@@ -358,7 +359,10 @@ struct radeonfb_info
 
 	struct
 	{
-		uint8_t red, green, blue, pad;
+		uint8_t red;
+		uint8_t green;
+		uint8_t blue;
+		uint8_t pad;
 	} palette[256];
 
 	int32_t	chipset;
@@ -457,7 +461,8 @@ struct radeonfb_info
  * IO macros
  */
 
-/* Note about this function: we have some rare cases where we must not schedule,
+/*
+ * Note about this function: we have some rare cases where we must not schedule,
  * this typically happen with our special "wake up early" hook which allows us to
  * wake up the graphic chip (and thus get the console back) before everything else
  * on some machines that support that mecanism. At this point, intterrupts are off
@@ -524,9 +529,9 @@ extern void radeonfb_pm_exit(struct radeonfb_info *rinfo);
 
 /* Monitor probe functions */
 extern void radeon_probe_screens(struct radeonfb_info *rinfo,
-				 const uint8_t *monitor_layout, int32_t ignore_edid);
+									const char *monitor_layout, int ignore_edid);
 extern void radeon_check_modes(struct radeonfb_info *rinfo, struct mode_option *resolution);
-extern int32_t radeon_match_mode(struct radeonfb_info *rinfo,
+extern int radeon_match_mode(struct radeonfb_info *rinfo,
 									struct fb_var_screeninfo *dest,
 									const struct fb_var_screeninfo *src);
 

radeon/radeon_base.c

@@ -214,7 +214,8 @@ typedef struct
 /* these common regs are cleared before mode setting so they do not
  * interfere with anything
  */
-static reg_val common_regs[] = {
+static reg_val common_regs[] =
+{
 	{ OVR_CLR, 0 },	
 	{ OVR_WID_LEFT_RIGHT, 0 },
 	{ OVR_WID_TOP_BOTTOM, 0 },
@@ -227,7 +228,8 @@ static reg_val common_regs[] = {
 	{ CAP1_TRIG_CNTL, 0 },
 };
 
-
+extern struct fb_info *info_fb;
+#define rinfo ((struct radeonfb_info *) info_fb->par)
 static uint32_t inreg(uint32_t addr)
 {
 	return(INREG(addr));
@@ -1231,7 +1233,7 @@ static void radeon_wait_vbl(struct fb_info *info)
 
 static void radeon_timer_func(void)
 {
-	struct fb_info *info = info_fvdi;
+	struct fb_info *info = info_fb;
 	struct radeonfb_info *rinfo = info->par;
 	struct fb_var_screeninfo var;
 	uint32_t x, y;
@@ -2179,7 +2181,7 @@ int32_t radeonfb_pci_register(int32_t handle, const struct pci_device_id *ent)
 
 void radeonfb_pci_unregister(void)
 {
-	struct fb_info *info = info_fvdi;
+	struct fb_info *info = info_fb;
 	struct radeonfb_info *rinfo = info->par;
 //	radeonfb_pm_exit(rinfo);
 	uninstall_vbl_timer(radeon_timer_func);

video/fbmem.c

@@ -0,0 +1,233 @@
+/*
+ *  fbmem.c
+ *
+ *  Copyright (C) 1994 Martin Schaller
+ *
+ *	2001 - Documented with DocBook
+ *	- Brad Douglas <brad@neruo.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <bas_string.h>
+#include "fb.h"
+#include "radeonfb.h"
+
+long mem_cmp(char *p1, char *p2, long size)
+{
+	while(size--)
+	{
+		if(*p1++ != *p2++)
+			return(1);
+	}
+	return(0);
+}
+
+/*
+ *  Frame buffer device initialization and setup routines
+ */
+
+#define FBPIXMAPSIZE	(1024 * 8)
+
+int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var)
+{
+	int xoffset = var->xoffset;
+	int yoffset = var->yoffset;
+	int err;
+	//	DPRINT("fb_pan_display\r\n");
+	if((xoffset < 0) || (yoffset < 0)
+			|| ((xoffset + info->var.xres) > info->var.xres_virtual))
+		return -1; //-EINVAL;
+	if((err = info->fbops->fb_pan_display(var, info)))
+		return err;
+	info->var.xoffset = var->xoffset;
+	info->var.yoffset = var->yoffset;
+	if(var->vmode & FB_VMODE_YWRAP)
+		info->var.vmode |= FB_VMODE_YWRAP;
+	else
+		info->var.vmode &= ~FB_VMODE_YWRAP;
+	return 0;
+}
+
+int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
+{
+	int err;
+	//	DPRINT("fb_set_var\r\n");
+	if(var->activate & FB_ACTIVATE_INV_MODE)
+		/* return 1 if equal */
+		return(!mem_cmp((char *)&info->var, (char *)var, sizeof(struct fb_var_screeninfo)));
+	if((var->activate & FB_ACTIVATE_FORCE)
+			|| mem_cmp((char *)&info->var, (char *)var, sizeof(struct fb_var_screeninfo)))
+	{
+		if((err = info->fbops->fb_check_var(var, info)))
+			return err;
+		if((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW)
+		{
+			memcpy(&info->var, var, sizeof(struct fb_var_screeninfo));
+			info->fbops->fb_set_par(info);
+			fb_pan_display(info, &info->var);
+		}
+	}
+	return 0;
+}
+
+int fb_blank(struct fb_info *info, int blank)
+{	
+	//	DPRINT("fb_blank\r\n");
+	if(blank > FB_BLANK_POWERDOWN)
+		blank = FB_BLANK_POWERDOWN;
+	return(info->fbops->fb_blank(blank, info));
+}
+
+int fb_ioctl(unsigned int cmd, unsigned long arg)
+{
+	struct fb_info *info = info_fvdi;
+	struct fb_var_screeninfo var;
+	struct fb_fix_screeninfo fix;
+	void *argp = (void *)arg;
+	int i;
+	switch(cmd)
+	{
+		case FBIOGET_VSCREENINFO:
+			memcpy(argp, &info->var, sizeof(var));
+			return 0;
+		case FBIOPUT_VSCREENINFO:
+			memcpy(&var, argp, sizeof(var));
+			i = fb_set_var(info, &var);
+			if(i)
+				return i;
+			memcpy(argp, &var, sizeof(var));
+			return 0;
+		case FBIOGET_FSCREENINFO:
+			memcpy(argp, &info->fix, sizeof(fix));
+			return 0;
+		case FBIOPAN_DISPLAY:
+			memcpy(&var, argp, sizeof(var));
+			i = fb_pan_display(info, &var);
+			if(i)
+				return i;
+			memcpy(argp, &var, sizeof(var));
+			return 0;
+		case FBIOBLANK:
+			i = fb_blank(info, arg);
+			return i;
+		case FBIO_ALLOC:
+			return(offscreen_alloc(info,(long)arg));
+		case FBIO_FREE:
+			return(offscreen_free(info,(long)arg));
+		default:
+			return(info->fbops->fb_ioctl(cmd, arg, info));
+	}
+}
+
+
+#if 1
+
+static struct radeonfb_info struct_radeon_info;
+
+/**
+ * framebuffer_alloc - creates a new frame buffer info structure
+ *
+ * @size: size of driver private data, can be zero
+ * @dev: pointer to the device for this fb, this can be NULL
+ *
+ * Creates a new frame buffer info structure. Also reserves @size bytes
+ * for driver private data (info->par). info->par (if any) will be
+ * aligned to sizeof(long).
+ *
+ * Returns the new structure, or NULL if an error occured.
+ *
+ */
+struct fb_info *framebuffer_alloc(unsigned long size)
+{
+	static struct fb_info struct_info;
+	struct fb_info *info = &struct_info;
+	memset(info, 0, sizeof(struct fb_info));
+	if(size)
+	{
+		if(size <= sizeof(struct radeonfb_info))
+		{
+			memset(&struct_radeon_info, 0, sizeof(struct radeonfb_info));
+			info->par = (void *)&struct_radeon_info;
+		}
+		else
+		{
+			char *p = Funcs_malloc(size, 3);
+			if(!p)
+				return NULL;
+			memset(p, 0, size);
+			info->par = p;
+		}
+	}
+	return info;
+}
+
+/**
+ * framebuffer_release - marks the structure available for freeing
+ *
+ * @info: frame buffer info structure
+ *
+ * Drop the reference count of the class_device embedded in the
+ * framebuffer info structure.
+ *
+ */
+void framebuffer_release(struct fb_info *info)
+{
+	if(info->par != (void *)&struct_radeon_info)
+		Funcs_free(info->par);
+}
+
+#else
+
+/**
+ * framebuffer_alloc - creates a new frame buffer info structure
+ *
+ * @size: size of driver private data, can be zero
+ * @dev: pointer to the device for this fb, this can be NULL
+ *
+ * Creates a new frame buffer info structure. Also reserves @size bytes
+ * for driver private data (info->par). info->par (if any) will be
+ * aligned to sizeof(long).
+ *
+ * Returns the new structure, or NULL if an error occured.
+ *
+ */
+struct fb_info *framebuffer_alloc(unsigned long size)
+{
+#define BYTES_PER_LONG (32/8)
+#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 = Funcs_malloc(fb_info_size + size, 3);
+	if(!p)
+		return NULL;
+	memset(p, 0, fb_info_size + size);
+	info = (struct fb_info *) p;
+	if(size)
+		info->par = p + fb_info_size;
+	return info;
+#undef PADDING
+#undef BYTES_PER_LONG
+}
+
+/**
+ * framebuffer_release - marks the structure available for freeing
+ *
+ * @info: frame buffer info structure
+ *
+ * Drop the reference count of the class_device embedded in the
+ * framebuffer info structure.
+ *
+ */
+void framebuffer_release(struct fb_info *info)
+{
+	Funcs_free(info);
+}
+
+#endif
+