drm/radeon/kms: add support for external tmds on legacy boards

[karo-tx-linux.git] / drivers / gpu / drm / radeon / radeon_mode.h

diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index ace726aa0d76093ddd1f11e43c8a142d933caddb..27ddc9b9a9edc52eba48f7a31d46a5553a5c47b3 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -89,24 +89,38 @@ enum radeon_tv_std {
        TV_STD_PAL_CN,
 };
 
+/* radeon gpio-based i2c
+ * 1. "mask" reg and bits
+ *    grabs the gpio pins for software use
+ *    0=not held  1=held
+ * 2. "a" reg and bits
+ *    output pin value
+ *    0=low 1=high
+ * 3. "en" reg and bits
+ *    sets the pin direction
+ *    0=input 1=output
+ * 4. "y" reg and bits
+ *    input pin value
+ *    0=low 1=high
+ */
 struct radeon_i2c_bus_rec {
        bool valid;
        uint32_t mask_clk_reg;
        uint32_t mask_data_reg;
        uint32_t a_clk_reg;
        uint32_t a_data_reg;
-       uint32_t put_clk_reg;
-       uint32_t put_data_reg;
-       uint32_t get_clk_reg;
-       uint32_t get_data_reg;
+       uint32_t en_clk_reg;
+       uint32_t en_data_reg;
+       uint32_t y_clk_reg;
+       uint32_t y_data_reg;
        uint32_t mask_clk_mask;
        uint32_t mask_data_mask;
-       uint32_t put_clk_mask;
-       uint32_t put_data_mask;
-       uint32_t get_clk_mask;
-       uint32_t get_data_mask;
        uint32_t a_clk_mask;
        uint32_t a_data_mask;
+       uint32_t en_clk_mask;
+       uint32_t en_data_mask;
+       uint32_t y_clk_mask;
+       uint32_t y_data_mask;
 };
 
 struct radeon_tmds_pll {
@@ -170,6 +184,11 @@ enum radeon_connector_table {
        CT_EMAC,
 };
 
+enum radeon_dvo_chip {
+       DVO_SIL164,
+       DVO_SIL1178,
+};
+
 struct radeon_mode_info {
        struct atom_context *atom_context;
        struct card_info *atom_card_info;
@@ -261,6 +280,13 @@ struct radeon_encoder_int_tmds {
        struct radeon_tmds_pll tmds_pll[4];
 };
 
+struct radeon_encoder_ext_tmds {
+       /* tmds over dvo */
+       struct radeon_i2c_chan *i2c_bus;
+       uint8_t slave_addr;
+       enum radeon_dvo_chip dvo_chip;
+};
+
 /* spread spectrum */
 struct radeon_atom_ss {
        uint16_t percentage;
@@ -329,6 +355,14 @@ extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
                                                 struct radeon_i2c_bus_rec *rec,
                                                 const char *name);
 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
+extern void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
+                                  u8 slave_addr,
+                                  u8 addr,
+                                  u8 *val);
+extern void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c,
+                                  u8 slave_addr,
+                                  u8 addr,
+                                  u8 val);
 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
 
@@ -378,12 +412,16 @@ extern bool radeon_atom_get_clock_info(struct drm_device *dev);
 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
 extern struct radeon_encoder_atom_dig *
 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
-bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
-                                  struct radeon_encoder_int_tmds *tmds);
-bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
-                                          struct radeon_encoder_int_tmds *tmds);
-bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
-                                           struct radeon_encoder_int_tmds *tmds);
+extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
+                                         struct radeon_encoder_int_tmds *tmds);
+extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
+                                                    struct radeon_encoder_int_tmds *tmds);
+extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
+                                                  struct radeon_encoder_int_tmds *tmds);
+extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
+                                                        struct radeon_encoder_ext_tmds *tmds);
+extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
+                                                      struct radeon_encoder_ext_tmds *tmds);
 extern struct radeon_encoder_primary_dac *
 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
 extern struct radeon_encoder_tv_dac *
@@ -395,6 +433,8 @@ extern struct radeon_encoder_tv_dac *
 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
 extern struct radeon_encoder_primary_dac *
 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
+extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
+extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
@@ -426,7 +466,7 @@ void radeon_atombios_init_crtc(struct drm_device *dev,
                               struct radeon_crtc *radeon_crtc);
 void radeon_legacy_init_crtc(struct drm_device *dev,
                             struct radeon_crtc *radeon_crtc);
-void radeon_i2c_do_lock(struct radeon_connector *radeon_connector, int lock_state);
+extern void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state);
 
 void radeon_get_clock_info(struct drm_device *dev);