* add card instance to accelerant shared info

* when TRACE_ATOM is enabled in bios.c, we dump
  each accelerant instance of the AtomBIOS rom
  to disk in /boot/common/cache/tmp/ (next to usb
  hid descriptors in the same file name format)
* these images can be parsed with the AtomDis application


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42622 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/graphics/radeon_hd/radeon_hd.h

@@ -75,6 +75,7 @@ struct overlay_registers;
 
 
 struct radeon_shared_info {
+	uint32			device_index;		// accelerant index
 	uint32			device_id;			// device pciid
 	area_id			mode_list_area;		// area containing display mode list
 	uint32			mode_count;

src/add-ons/accelerants/radeon_hd/bios.cpp

@@ -69,6 +69,10 @@ radeon_init_bios(uint8* bios)
 		return B_ERROR;
 	}
 
+	#ifdef TRACE_ATOM
+	radeon_dump_bios();
+	#endif
+
 	struct card_info *atom_card_info
 		= (card_info*)malloc(sizeof(card_info));
 
@@ -119,3 +123,33 @@ radeon_init_bios(uint8* bios)
 
 	return B_OK;
 }
+
+
+status_t
+radeon_dump_bios()
+{
+	// For debugging use, dump card AtomBIOS
+	radeon_shared_info &info = *gInfo->shared_info;
+
+	TRACE("%s: Dumping AtomBIOS as ATOM_DEBUG is set...\n",
+		__func__);
+
+	FILE* fp;
+	char filename[255];
+	sprintf(filename, "/boot/common/cache/tmp/radeon_hd_bios_1002_%" B_PRIx32
+		"_%" B_PRIu32 ".bin", info.device_id, info.device_index);
+
+	fp = fopen(filename, "wb");
+	if (fp == NULL) {
+		TRACE("%s: Cannot create AtomBIOS blob at %s\n", __func__, filename);
+		return B_ERROR;
+	}
+
+	fwrite(gInfo->rom, info.rom_size, 1, fp);
+
+	fclose(fp);
+
+	TRACE("%s: AtomBIOS dumped to %s\n", __func__, filename);
+
+	return B_OK;
+}

src/add-ons/accelerants/radeon_hd/bios.h

@@ -15,6 +15,7 @@
 
 
 status_t radeon_init_bios(uint8* bios);
+status_t radeon_dump_bios();
 
 
 #endif /* RADEON_HD_BIOS_H */

src/add-ons/kernel/drivers/graphics/radeon_hd/radeon_hd.cpp

@@ -375,6 +375,7 @@ radeon_hd_init(radeon_info &info)
 	frambufferMapper.Detach();
 
 	// Pass common information to accelerant
+	info.shared_info->device_index = info.id;
 	info.shared_info->device_id = info.device_id;
 	info.shared_info->device_chipset = info.device_chipset;
 	info.shared_info->registers_area = info.registers_area;