diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/include/subdev/bios/i2c.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/include/subdev/bios/i2c.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/i2c.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/i2c.h new file mode 100644 index 0000000..10b57a1 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/i2c.h @@ -0,0 +1,25 @@ +#ifndef __NVBIOS_I2C_H__ +#define __NVBIOS_I2C_H__ + +struct nouveau_bios; + +enum dcb_i2c_type { + DCB_I2C_NV04_BIT = 0, + DCB_I2C_NV4E_BIT = 4, + DCB_I2C_NVIO_BIT = 5, + DCB_I2C_NVIO_AUX = 6, + DCB_I2C_UNUSED = 0xff +}; + +struct dcb_i2c_entry { + enum dcb_i2c_type type; + u8 drive; + u8 sense; + u8 share; +}; + +u16 dcb_i2c_table(struct nouveau_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); +u16 dcb_i2c_entry(struct nouveau_bios *, u8 index, u8 *ver, u8 *len); +int dcb_i2c_parse(struct nouveau_bios *, u8 index, struct dcb_i2c_entry *); + +#endif |