diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_encoder.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_encoder.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_encoder.h b/drivers/gpu/drm/nouveau/nouveau_encoder.h new file mode 100644 index 00000000..3dc14a3d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_encoder.h @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2008 Maarten Maathuis. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef __NOUVEAU_ENCODER_H__ +#define __NOUVEAU_ENCODER_H__ + +#include "drm_encoder_slave.h" +#include "nouveau_drv.h" + +#define NV_DPMS_CLEARED 0x80 + +struct dp_train_func { + void (*link_set)(struct drm_device *, struct dcb_entry *, int crtc, + int nr, u32 bw, bool enhframe); + void (*train_set)(struct drm_device *, struct dcb_entry *, u8 pattern); + void (*train_adj)(struct drm_device *, struct dcb_entry *, + u8 lane, u8 swing, u8 preem); +}; + +struct nouveau_encoder { + struct drm_encoder_slave base; + + struct dcb_entry *dcb; + int or; + + /* different to drm_encoder.crtc, this reflects what's + * actually programmed on the hw, not the proposed crtc */ + struct drm_crtc *crtc; + + struct drm_display_mode mode; + int last_dpms; + + struct nv04_output_reg restore; + + union { + struct { + u8 dpcd[8]; + int link_nr; + int link_bw; + u32 datarate; + } dp; + }; +}; + +struct nouveau_encoder * +find_encoder(struct drm_connector *connector, int type); + +static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc) +{ + struct drm_encoder_slave *slave = to_encoder_slave(enc); + + return container_of(slave, struct nouveau_encoder, base); +} + +static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc) +{ + return &enc->base.base; +} + +static inline struct drm_encoder_slave_funcs * +get_slave_funcs(struct drm_encoder *enc) +{ + return to_encoder_slave(enc)->slave_funcs; +} + +/* nouveau_dp.c */ +int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr, + uint8_t *data, int data_nr); +bool nouveau_dp_detect(struct drm_encoder *); +void nouveau_dp_dpms(struct drm_encoder *, int mode, u32 datarate, + struct dp_train_func *); +u8 *nouveau_dp_bios_data(struct drm_device *, struct dcb_entry *, u8 **); + +struct nouveau_connector * +nouveau_encoder_connector_get(struct nouveau_encoder *encoder); +int nv50_sor_create(struct drm_connector *, struct dcb_entry *); +void nv50_sor_dp_calc_tu(struct drm_device *, int, int, u32, u32); +int nv50_dac_create(struct drm_connector *, struct dcb_entry *); + + +#endif /* __NOUVEAU_ENCODER_H__ */ |