diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_mode.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_mode.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 71aea4037e9..02d4e2af618 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 @@ -445,6 +447,15 @@ 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); |