26 #include <subdev/bios.h>
27 #include <subdev/bios/bmp.h>
28 #include <subdev/bios/bit.h>
29 #include <subdev/bios/image.h>
32 nvbios_addr(struct nvkm_bios *bios, u32 *addr, u8 size)  in nvbios_addr()  argument
36 	if (*addr >= bios->image0_size && bios->imaged_addr) {  in nvbios_addr()
37 		*addr -= bios->image0_size;  in nvbios_addr()
38 		*addr += bios->imaged_addr;  in nvbios_addr()
41 	if (unlikely(*addr + size > bios->size)) {  in nvbios_addr()
42 		nvkm_error(&bios->subdev, "OOB %d %08x %08x\n", size, p, *addr);  in nvbios_addr()
50 nvbios_pointer(struct nvkm_bios *bios, u32 addr)  in nvbios_pointer()  argument
52 	if (likely(nvbios_addr(bios, &addr, 0)))  in nvbios_pointer()
53 		return &bios->data[addr];  in nvbios_pointer()
58 nvbios_rd08(struct nvkm_bios *bios, u32 addr)  in nvbios_rd08()  argument
60 	if (likely(nvbios_addr(bios, &addr, 1)))  in nvbios_rd08()
61 		return bios->data[addr];  in nvbios_rd08()
66 nvbios_rd16(struct nvkm_bios *bios, u32 addr)  in nvbios_rd16()  argument
68 	if (likely(nvbios_addr(bios, &addr, 2)))  in nvbios_rd16()
69 		return get_unaligned_le16(&bios->data[addr]);  in nvbios_rd16()
74 nvbios_rd32(struct nvkm_bios *bios, u32 addr)  in nvbios_rd32()  argument
76 	if (likely(nvbios_addr(bios, &addr, 4)))  in nvbios_rd32()
77 		return get_unaligned_le32(&bios->data[addr]);  in nvbios_rd32()
107 nvbios_memcmp(struct nvkm_bios *bios, u32 addr, const char *str, u32 len)  in nvbios_memcmp()  argument
112 		c1 = nvbios_rd08(bios, addr++);  in nvbios_memcmp()
121 nvbios_extend(struct nvkm_bios *bios, u32 length)  in nvbios_extend()  argument
123 	if (bios->size < length) {  in nvbios_extend()
124 		u8 *prev = bios->data;  in nvbios_extend()
125 		if (!(bios->data = kmalloc(length, GFP_KERNEL))) {  in nvbios_extend()
126 			bios->data = prev;  in nvbios_extend()
129 		memcpy(bios->data, prev, bios->size);  in nvbios_extend()
130 		bios->size = length;  in nvbios_extend()
140 	struct nvkm_bios *bios = nvkm_bios(subdev);  in nvkm_bios_dtor()  local
141 	kfree(bios->data);  in nvkm_bios_dtor()
142 	return bios;  in nvkm_bios_dtor()
154 	struct nvkm_bios *bios;  in nvkm_bios_new()  local
159 	if (!(bios = *pbios = kzalloc(sizeof(*bios), GFP_KERNEL)))  in nvkm_bios_new()
161 	nvkm_subdev_ctor(&nvkm_bios, device, type, inst, &bios->subdev);  in nvkm_bios_new()
163 	ret = nvbios_shadow(bios);  in nvkm_bios_new()
170 	if (nvbios_image(bios, idx++, &image)) {  in nvkm_bios_new()
171 		bios->image0_size = image.size;  in nvkm_bios_new()
172 		while (nvbios_image(bios, idx++, &image)) {  in nvkm_bios_new()
174 				bios->imaged_addr = image.base;  in nvkm_bios_new()
181 	bios->bmp_offset = nvbios_findstr(bios->data, bios->size,  in nvkm_bios_new()
183 	if (bios->bmp_offset) {  in nvkm_bios_new()
184 		nvkm_debug(&bios->subdev, "BMP version %x.%x\n",  in nvkm_bios_new()
185 			   bmp_version(bios) >> 8,  in nvkm_bios_new()
186 			   bmp_version(bios) & 0xff);  in nvkm_bios_new()
189 	bios->bit_offset = nvbios_findstr(bios->data, bios->size,  in nvkm_bios_new()
191 	if (bios->bit_offset)  in nvkm_bios_new()
192 		nvkm_debug(&bios->subdev, "BIT signature found\n");  in nvkm_bios_new()
195 	if (!bit_entry(bios, 'i', &bit_i) && bit_i.length >= 4) {  in nvkm_bios_new()
196 		bios->version.major = nvbios_rd08(bios, bit_i.offset + 3);  in nvkm_bios_new()
197 		bios->version.chip  = nvbios_rd08(bios, bit_i.offset + 2);  in nvkm_bios_new()
198 		bios->version.minor = nvbios_rd08(bios, bit_i.offset + 1);  in nvkm_bios_new()
199 		bios->version.micro = nvbios_rd08(bios, bit_i.offset + 0);  in nvkm_bios_new()
200 		bios->version.patch = nvbios_rd08(bios, bit_i.offset + 4);  in nvkm_bios_new()
202 	if (bmp_version(bios)) {  in nvkm_bios_new()
203 		bios->version.major = nvbios_rd08(bios, bios->bmp_offset + 13);  in nvkm_bios_new()
204 		bios->version.chip  = nvbios_rd08(bios, bios->bmp_offset + 12);  in nvkm_bios_new()
205 		bios->version.minor = nvbios_rd08(bios, bios->bmp_offset + 11);  in nvkm_bios_new()
206 		bios->version.micro = nvbios_rd08(bios, bios->bmp_offset + 10);  in nvkm_bios_new()
209 	nvkm_info(&bios->subdev, "version %02x.%02x.%02x.%02x.%02x\n",  in nvkm_bios_new()
210 		  bios->version.major, bios->version.chip,  in nvkm_bios_new()
211 		  bios->version.minor, bios->version.micro, bios->version.patch);  in nvkm_bios_new()