X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Finclude%2Fnvkm%2Fsubdev%2Fbios%2Fi2c.h;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Finclude%2Fnvkm%2Fsubdev%2Fbios%2Fi2c.h;h=85c529ecf9b1067727767828e7fba7f2734edb1e;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h
new file mode 100644
index 000000000..85c529ecf
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h
@@ -0,0 +1,25 @@
+#ifndef __NVBIOS_I2C_H__
+#define __NVBIOS_I2C_H__
+enum dcb_i2c_type {
+	/* matches bios type field prior to ccb 4.1 */
+	DCB_I2C_NV04_BIT = 0x00,
+	DCB_I2C_NV4E_BIT = 0x04,
+	DCB_I2C_NVIO_BIT = 0x05,
+	DCB_I2C_NVIO_AUX = 0x06,
+	/* made up - mostly */
+	DCB_I2C_PMGR     = 0x80,
+	DCB_I2C_UNUSED   = 0xff
+};
+
+struct dcb_i2c_entry {
+	enum dcb_i2c_type type;
+	u8 drive;
+	u8 sense;
+	u8 share;
+	u8 auxch;
+};
+
+u16 dcb_i2c_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
+u16 dcb_i2c_entry(struct nvkm_bios *, u8 index, u8 *ver, u8 *len);
+int dcb_i2c_parse(struct nvkm_bios *, u8 index, struct dcb_i2c_entry *);
+#endif