diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_encoder.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_encoder.h | 160 |
1 files changed, 160 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 000000000..bcba1a14c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_encoder.h @@ -0,0 +1,160 @@ +/* + * 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 <nvif/outp.h> +#include <subdev/bios/dcb.h> + +#include <drm/display/drm_dp_helper.h> +#include <drm/display/drm_dp_mst_helper.h> +#include <drm/drm_encoder_slave.h> + +#include "dispnv04/disp.h" + +struct nv50_head_atom; +struct nouveau_connector; + +#define NV_DPMS_CLEARED 0x80 + +struct nvkm_i2c_port; + +struct nouveau_encoder { + struct drm_encoder_slave base; + + struct dcb_output *dcb; + struct nvif_outp outp; + int or; + + struct i2c_adapter *i2c; + struct nvkm_i2c_aux *aux; + + /* different to drm_encoder.crtc, this reflects what's + * actually programmed on the hw, not the proposed crtc */ + struct drm_crtc *crtc; + u32 ctrl; + + /* Protected by nouveau_drm.audio.lock */ + struct { + bool enabled; + struct drm_connector *connector; + } audio; + + struct drm_display_mode mode; + int last_dpms; + + struct nv04_output_reg restore; + + union { + struct { + struct nv50_mstm *mstm; + int link_nr; + int link_bw; + + /* Protects DP state that needs to be accessed outside + * connector reprobing contexts + */ + struct mutex hpd_irq_lock; + + u8 dpcd[DP_RECEIVER_CAP_SIZE]; + u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; + struct drm_dp_desc desc; + + u8 sink_count; + } dp; + }; + + struct { + bool dp_interlace : 1; + } caps; + + void (*enc_save)(struct drm_encoder *encoder); + void (*enc_restore)(struct drm_encoder *encoder); + void (*update)(struct nouveau_encoder *, u8 head, + struct nv50_head_atom *, u8 proto, u8 depth); +}; + +struct nv50_mstm { + struct nouveau_encoder *outp; + + struct drm_dp_mst_topology_mgr mgr; + + /* Protected under nouveau_encoder->dp.hpd_irq_lock */ + bool can_mst; + bool is_mst; + bool suspended; + + bool modified; + bool disabled; + int links; +}; + +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 const struct drm_encoder_slave_funcs * +get_slave_funcs(struct drm_encoder *enc) +{ + return to_encoder_slave(enc)->slave_funcs; +} + +/* nouveau_dp.c */ +enum nouveau_dp_status { + NOUVEAU_DP_NONE, + NOUVEAU_DP_SST, + NOUVEAU_DP_MST, +}; + +int nouveau_dp_detect(struct nouveau_connector *, struct nouveau_encoder *); +bool nouveau_dp_link_check(struct nouveau_connector *); +void nouveau_dp_irq(struct work_struct *); +enum drm_mode_status nv50_dp_mode_valid(struct nouveau_encoder *, + const struct drm_display_mode *, + unsigned *clock); + +struct nouveau_connector * +nv50_outp_get_new_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp); +struct nouveau_connector * +nv50_outp_get_old_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp); + +int nv50_mstm_detect(struct nouveau_encoder *encoder); +void nv50_mstm_remove(struct nv50_mstm *mstm); +bool nv50_mstm_service(struct nouveau_drm *drm, + struct nouveau_connector *nv_connector, + struct nv50_mstm *mstm); +#endif /* __NOUVEAU_ENCODER_H__ */ |