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authorBen Skeggs <bskeggs@redhat.com>2010-09-13 15:18:40 +1000
committerBen Skeggs <bskeggs@redhat.com>2010-09-24 16:26:56 +1000
commit4709bff02adcb0d05d2d1a397e60581baa562de9 (patch)
tree767ad7e9980f4bd3d58b9604cd10eac57b65088d /drivers/gpu/drm/nouveau/nouveau_bios.h
parent855a95e4fc2ac6b758145ca7d6a0c95b66a57ef8 (diff)
drm/nouveau: make bios code easier to use externally
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.h')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index 02c5dd09ba7..50a648e01c4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -34,6 +34,20 @@
#define DCB_LOC_ON_CHIP 0
+#define ROM16(x) le16_to_cpu(*(uint16_t *)&(x))
+#define ROM32(x) le32_to_cpu(*(uint32_t *)&(x))
+#define ROMPTR(bios, x) (ROM16(x) ? &(bios)->data[ROM16(x)] : NULL)
+
+struct bit_entry {
+ uint8_t id;
+ uint8_t version;
+ uint16_t length;
+ uint16_t offset;
+ uint8_t *data;
+};
+
+int bit_table(struct drm_device *, u8 id, struct bit_entry *);
+
struct dcb_i2c_entry {
uint32_t entry;
uint8_t port_type;
@@ -224,6 +238,11 @@ struct pll_lims {
struct nvbios {
struct drm_device *dev;
+ enum {
+ NVBIOS_BMP,
+ NVBIOS_BIT
+ } type;
+ uint16_t offset;
uint8_t chip_version;