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Commit 70c0f263 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/bios: pull in basic vbios subdev, more to come later 



v2: Ben Skeggs <bskeggs@redhat.com>
- use unaligned macros to access vbios image
- endianness fixes

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 586c55f6

drivers/gpu/drm/nouveau/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -18,6 +18,8 @@ nouveau-y += core/core/printk.o 
nouveau-y += core/core/ramht.o

nouveau-y += core/core/subdev.o



nouveau-y += core/subdev/bios/base.o

nouveau-y += core/subdev/bios/bit.o

nouveau-y += core/subdev/device/base.o

nouveau-y += core/subdev/device/nv04.o

nouveau-y += core/subdev/device/nv10.o

drivers/gpu/drm/nouveau/core/include/subdev/bios.h

0 → 100644
+34 −0
Original line number Diff line number Diff line 
#ifndef __NOUVEAU_BIOS_H__

#define __NOUVEAU_BIOS_H__



#include <core/subdev.h>

#include <core/device.h>



struct nouveau_bios {

	struct nouveau_subdev base;

	u32 size;

	u8 *data;



	u32 bmp_offset;

	u32 bit_offset;



	struct {

		u8 major;

		u8 chip;

		u8 minor;

		u8 micro;

	} version;

};



static inline struct nouveau_bios *

nouveau_bios(void *obj)

{

	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_VBIOS];

}



u8  nvbios_checksum(const u8 *data, int size);

u16 nvbios_findstr(const u8 *data, int size, const char *str, int len);



extern struct nouveau_oclass nouveau_bios_oclass;



#endif

drivers/gpu/drm/nouveau/core/include/subdev/bios/bit.h

0 → 100644
+13 −0
Original line number Diff line number Diff line 
#ifndef __NVBIOS_BIT_H__

#define __NVBIOS_BIT_H__



struct bit_entry {

	u8  id;

	u8  version;

	u16 length;

	u16 offset;

};



int bit_entry(struct nouveau_bios *, u8 id, struct bit_entry *);



#endif

drivers/gpu/drm/nouveau/core/include/subdev/bios/bmp.h

0 → 100644
+39 −0
Original line number Diff line number Diff line 
#ifndef __NVBIOS_BMP_H__

#define __NVBIOS_BMP_H__



static inline u16

bmp_version(struct nouveau_bios *bios)

{

	if (bios->bmp_offset) {

		return nv_ro08(bios, bios->bmp_offset + 5) << 8 |

		       nv_ro08(bios, bios->bmp_offset + 6);

	}



	return 0x0000;

}



static inline u16

bmp_mem_init_table(struct nouveau_bios *bios)

{

	if (bmp_version(bios) >= 0x0300)

		return nv_ro16(bios, bios->bmp_offset + 24);

	return 0x0000;

}



static inline u16

bmp_sdr_seq_table(struct nouveau_bios *bios)

{

	if (bmp_version(bios) >= 0x0300)

		return nv_ro16(bios, bios->bmp_offset + 26);

	return 0x0000;

}



static inline u16

bmp_ddr_seq_table(struct nouveau_bios *bios)

{

	if (bmp_version(bios) >= 0x0300)

		return nv_ro16(bios, bios->bmp_offset + 28);

	return 0x0000;

}



#endif

drivers/gpu/drm/nouveau/core/os.h

+2 −0
Original line number Diff line number Diff line
@@ -18,6 +18,8 @@ 


#include <asm/unaligned.h>



#include <asm/unaligned.h>



static inline int

ffsll(u64 mask)

{