diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_mode.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_mode.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 71aea4037e9..5bbc086b926 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -82,6 +82,8 @@ enum radeon_hpd_id { RADEON_HPD_NONE = 0xff, }; +#define RADEON_MAX_I2C_BUS 16 + /* radeon gpio-based i2c * 1. "mask" reg and bits * grabs the gpio pins for software use @@ -398,6 +400,16 @@ struct radeon_hpd { struct radeon_gpio_rec gpio; }; +struct radeon_router { + bool valid; + u32 router_id; + struct radeon_i2c_bus_rec i2c_info; + u8 i2c_addr; + u8 mux_type; + u8 mux_control_pin; + u8 mux_state; +}; + struct radeon_connector { struct drm_connector base; uint32_t connector_id; @@ -413,6 +425,8 @@ struct radeon_connector { bool dac_load_detect; uint16_t connector_object_id; struct radeon_hpd hpd; + struct radeon_router router; + struct radeon_i2c_chan *router_bus; }; struct radeon_framebuffer { @@ -445,6 +459,15 @@ extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder, extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, uint8_t write_byte, uint8_t *read_byte); +extern void radeon_i2c_init(struct radeon_device *rdev); +extern void radeon_i2c_fini(struct radeon_device *rdev); +extern void radeon_combios_i2c_init(struct radeon_device *rdev); +extern void radeon_atombios_i2c_init(struct radeon_device *rdev); +extern void radeon_i2c_add(struct radeon_device *rdev, + struct radeon_i2c_bus_rec *rec, + const char *name); +extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev, + struct radeon_i2c_bus_rec *i2c_bus); extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev, struct radeon_i2c_bus_rec *rec, const char *name); @@ -460,6 +483,7 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c, u8 slave_addr, u8 addr, u8 val); +extern void radeon_router_select_port(struct radeon_connector *radeon_connector); extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector); extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector); |