drm/radeon/kms: i2c reorg

- keep the atom i2c id in the i2c rec
- fix gpio regs for GPIO and MDGPIO on pre-avivo chips
- track whether the i2c line is hw capable
- track whether the i2c line uses the multimedia i2c block

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 10 insertions, 6 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 166f75395f52..1964afb94dbc 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -106,6 +106,13 @@ enum radeon_tv_std {
  */
 struct radeon_i2c_bus_rec {
         bool valid;
+        /* id used by atom */
+        uint8_t i2c_id;
+        /* can be used with hw i2c engine */
+        bool hw_capable;
+        /* uses multi-media i2c engine */
+        bool mm_i2c;
+        /* regs and bits */
         uint32_t mask_clk_reg;
         uint32_t mask_data_reg;
         uint32_t a_clk_reg;
@@ -172,7 +179,6 @@ struct radeon_i2c_chan {
                 struct i2c_algo_bit_data bit;
         } algo;
         struct radeon_i2c_bus_rec rec;
-        uint8_t i2c_id;
 };
 
 /* mostly for macs, but really any system without connector tables */
@@ -333,7 +339,6 @@ struct radeon_encoder {
 struct radeon_connector_atom_dig {
         uint32_t igp_lane_info;
         bool linkb;
-        uint16_t uc_i2c_id;
         struct radeon_i2c_chan *dp_i2c_bus;
         u8 dpcd[8];
 };
@@ -352,8 +357,6 @@ struct radeon_connector {
         void *con_priv;
         bool dac_load_detect;
         uint16_t connector_object_id;
-        /* need to keep this for display port */
-//      
 };
 
 struct radeon_framebuffer {
@@ -362,12 +365,13 @@ struct radeon_framebuffer {
 };
 
 extern int radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
-extern void radeon_dp_getdpcd(struct radeon_connector *connector);
+extern void radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
                                 uint8_t write_byte, uint8_t *read_byte);
 
 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
-                                                    const char *name, bool dp, u8 i2c_id);
+                                                    struct radeon_i2c_bus_rec *rec,
+                                                    const char *name);
 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
                                                  struct radeon_i2c_bus_rec *rec,
                                                  const char *name);