9 *   Copyright (C) 1991-2004 SciTech Software, Inc. All rights reserved.
45 *		Jason ported this file to u-boot to run the ATI video card
46 *		BIOS in u-boot.
76 		return vga_info->BIOSImage + flat - 0xc0000;  in bios_ptr()
78 		return buf + (flat - vbe_offset);  in bios_ptr()
87 	struct vesa_mode_info *vm;  in atibios_debug_mode()  local
94 	regs->e.eax = VESA_GET_INFO;  in atibios_debug_mode()
95 	regs->e.esi = buffer_seg;  in atibios_debug_mode()
96 	regs->e.edi = buffer_adr;  in atibios_debug_mode()
99 	strcpy(info->signature, "VBE2");  in atibios_debug_mode()
101 	if (regs->e.eax != 0x4f) {  in atibios_debug_mode()
102 		debug("VESA_GET_INFO: error %x\n", regs->e.eax);  in atibios_debug_mode()
103 		return -ENOSYS;  in atibios_debug_mode()
105 	debug("version %x\n", le16_to_cpu(info->version));  in atibios_debug_mode()
107 					     info->oem_string_ptr));  in atibios_debug_mode()
109 						info->vendor_name_ptr));  in atibios_debug_mode()
111 						 info->product_name_ptr));  in atibios_debug_mode()
113 					     info->product_rev_ptr));  in atibios_debug_mode()
114 	modes_bios = bios_ptr(buffer, vga_info, info->modes_ptr);  in atibios_debug_mode()
118 	debug("\nmemory %dMB\n", le16_to_cpu(info->total_memory) >> 4);  in atibios_debug_mode()
119 	size = (ptr - modes_bios) * sizeof(u16) + 2;  in atibios_debug_mode()
122 		return -ENOMEM;  in atibios_debug_mode()
125 	regs->e.eax = VESA_GET_CUR_MODE;  in atibios_debug_mode()
127 	if (regs->e.eax != 0x4f) {  in atibios_debug_mode()
128 		debug("VESA_GET_CUR_MODE: error %x\n", regs->e.eax);  in atibios_debug_mode()
129 		return -ENOSYS;  in atibios_debug_mode()
131 	debug("Current mode %x\n", regs->e.ebx);  in atibios_debug_mode()
141 		regs->e.eax = VESA_GET_MODE_INFO;  in atibios_debug_mode()
142 		regs->e.ebx = 0;  in atibios_debug_mode()
143 		regs->e.ecx = mode;  in atibios_debug_mode()
144 		regs->e.edx = 0;  in atibios_debug_mode()
145 		regs->e.esi = buffer_seg;  in atibios_debug_mode()
146 		regs->e.edi = buffer_adr;  in atibios_debug_mode()
148 		if (regs->e.eax != 0x4f) {  in atibios_debug_mode()
149 			debug("VESA_GET_MODE_INFO: error %x\n", regs->e.eax);  in atibios_debug_mode()
152 		memcpy(mode_info->mode_info_block, buffer,  in atibios_debug_mode()
154 		mode_info->valid = true;  in atibios_debug_mode()
155 		vm = &mode_info->vesa;  in atibios_debug_mode()
156 		attr = le16_to_cpu(vm->mode_attributes);  in atibios_debug_mode()
159 		      le16_to_cpu(vm->x_resolution),  in atibios_debug_mode()
160 		      le16_to_cpu(vm->y_resolution),  in atibios_debug_mode()
161 		      vm->bits_per_pixel, vm->memory_model,  in atibios_debug_mode()
165 		      vm->red_mask_pos, vm->green_mask_pos, vm->blue_mask_pos,  in atibios_debug_mode()
166 		      vm->red_mask_size, vm->green_mask_size,  in atibios_debug_mode()
167 		      vm->blue_mask_size);  in atibios_debug_mode()
179 	struct vesa_mode_info *vm;  in atibios_set_vesa_mode()  local
182 	regs->e.eax = VESA_SET_MODE;  in atibios_set_vesa_mode()
183 	regs->e.ebx = vesa_mode;  in atibios_set_vesa_mode()
185 	regs->e.ebx |= (1 << 14) | (1 << 15);  in atibios_set_vesa_mode()
187 	if (regs->e.eax != 0x4f) {  in atibios_set_vesa_mode()
188 		debug("VESA_SET_MODE: error %x\n", regs->e.eax);  in atibios_set_vesa_mode()
189 		return -ENOSYS;  in atibios_set_vesa_mode()
194 	regs->e.eax = VESA_GET_MODE_INFO;  in atibios_set_vesa_mode()
195 	regs->e.ecx = vesa_mode;  in atibios_set_vesa_mode()
196 	regs->e.esi = buffer_seg;  in atibios_set_vesa_mode()
197 	regs->e.edi = buffer_adr;  in atibios_set_vesa_mode()
199 	if (regs->e.eax != 0x4f) {  in atibios_set_vesa_mode()
200 		debug("VESA_GET_MODE_INFO: error %x\n", regs->e.eax);  in atibios_set_vesa_mode()
201 		return -ENOSYS;  in atibios_set_vesa_mode()
204 	memcpy(mode_info->mode_info_block, buffer,  in atibios_set_vesa_mode()
206 	mode_info->valid = true;  in atibios_set_vesa_mode()
207 	mode_info->video_mode = vesa_mode;  in atibios_set_vesa_mode()
208 	vm = &mode_info->vesa;  in atibios_set_vesa_mode()
209 	vm->x_resolution = le16_to_cpu(vm->x_resolution);  in atibios_set_vesa_mode()
210 	vm->y_resolution = le16_to_cpu(vm->y_resolution);  in atibios_set_vesa_mode()
211 	vm->bytes_per_scanline = le16_to_cpu(vm->bytes_per_scanline);  in atibios_set_vesa_mode()
212 	vm->phys_base_ptr = le32_to_cpu(vm->phys_base_ptr);  in atibios_set_vesa_mode()
213 	vm->mode_attributes = le16_to_cpu(vm->mode_attributes);  in atibios_set_vesa_mode()
221 pcidev	- PCI device info for the video card on the bus to boot
222 vga_info - BIOS emulator VGA info structure
269 	if (vesa_mode != -1)  in PCI_doBIOSPOST()
275 pcidev	- PCI device info for the video card on the bus
276 bar	- Place to return the base address register offset to use
279 The address to use to map the secondary BIOS (AGP devices)
285 to map the BIOS for the device into. We use a mapping that is already
287 by any PCI->PCI or AGP->PCI bridge that may be present.
329 Some non-x86 Linux kernels map PCI relocateable I/O to values that
331 the offset for the I/O ports to be a maximum of 16-bits. Ideally
332 someone should fix the kernel to map the I/O ports for VGA compatible
335 64K of the I/O space - a total of more than 256 cards would be
360 pcidev	- PCI device info for the video card on the bus
414 	/*Change the PCI BAR registers to map it onto the bus.*/  in PCI_mapBIOSImage()
421 	/*Change the PCI BAR registers to map it onto the bus.*/  in PCI_mapBIOSImage()
439 pcidev	- PCI device info for the video card on the bus
466 pcidev	- PCI device info for the video card on the bus to boot
467 VGAInfo - BIOS emulator VGA info structure
503 			printf("videoboot: Video ROM failed to map!\n");  in PCI_postController()
521 	vga_info->function = PCI_FUNC(bdf);  in PCI_postController()
522 	vga_info->device = PCI_DEV(bdf);  in PCI_postController()
523 	vga_info->bus = PCI_BUS(bdf);  in PCI_postController()
525 	vga_info->function = PCI_FUNC(pcidev);  in PCI_postController()
526 	vga_info->device = PCI_DEV(pcidev);  in PCI_postController()
527 	vga_info->bus = PCI_BUS(pcidev);  in PCI_postController()
529 	vga_info->pcidev = pcidev;  in PCI_postController()
530 	vga_info->BIOSImage = copy_of_bios;  in PCI_postController()
531 	vga_info->BIOSImageLen = bios_image_len;  in PCI_postController()
542 	vga_info->BIOSImageLen = copy_of_bios[2] * 512;  in PCI_postController()
565 		return -ENOMEM;  in biosemu_setup()
592 		return -EINVAL;  in biosemu_run()
601 		if (vga_info->BIOSImage &&  in biosemu_run()
602 		    (ulong)(vga_info->BIOSImage) != 0xc0000)  in biosemu_run()
603 			free(vga_info->BIOSImage);  in biosemu_run()
613 pcidev	    - PCI device info for the video card on the bus to boot
614 pVGAInfo    - Place to return VGA info structure is requested
615 cleanUp	    - true to clean up on exit, false to leave emulator active
634 	ret = biosemu_run(pcidev, NULL, 0, VGAInfo, clean_up, -1, NULL);  in BootVideoCardBIOS()