1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #ifndef __NOUVEAU_CONNECTOR_H__ 28 #define __NOUVEAU_CONNECTOR_H__ 29 #include <nvif/conn.h> 30 #include <nvif/event.h> 31 32 #include <nvhw/class/cl507d.h> 33 #include <nvhw/class/cl907d.h> 34 #include <nvhw/drf.h> 35 36 #include <drm/display/drm_dp_helper.h> 37 #include <drm/drm_crtc.h> 38 #include <drm/drm_edid.h> 39 #include <drm/drm_encoder.h> 40 #include <drm/drm_util.h> 41 42 #include "nouveau_crtc.h" 43 #include "nouveau_encoder.h" 44 45 struct nvkm_i2c_port; 46 struct dcb_output; 47 48 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT 49 struct nouveau_backlight { 50 struct backlight_device *dev; 51 52 struct drm_edp_backlight_info edp_info; 53 bool uses_dpcd : 1; 54 55 int id; 56 }; 57 #endif 58 59 #define nouveau_conn_atom(p) \ 60 container_of((p), struct nouveau_conn_atom, state) 61 62 struct nouveau_conn_atom { 63 struct drm_connector_state state; 64 65 struct { 66 /* The enum values specifically defined here match nv50/gf119 67 * hw values, and the code relies on this. 68 */ 69 enum { 70 DITHERING_MODE_OFF = 71 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, DISABLE), 72 DITHERING_MODE_ON = 73 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, ENABLE), 74 DITHERING_MODE_DYNAMIC2X2 = DITHERING_MODE_ON | 75 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, DYNAMIC_2X2), 76 DITHERING_MODE_STATIC2X2 = DITHERING_MODE_ON | 77 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, STATIC_2X2), 78 DITHERING_MODE_TEMPORAL = DITHERING_MODE_ON | 79 NVDEF(NV907D, HEAD_SET_DITHER_CONTROL, MODE, TEMPORAL), 80 DITHERING_MODE_AUTO 81 } mode; 82 enum { 83 DITHERING_DEPTH_6BPC = 84 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_6_BITS), 85 DITHERING_DEPTH_8BPC = 86 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_8_BITS), 87 DITHERING_DEPTH_AUTO 88 } depth; 89 } dither; 90 91 struct { 92 int mode; /* DRM_MODE_SCALE_* */ 93 struct { 94 enum { 95 UNDERSCAN_OFF, 96 UNDERSCAN_ON, 97 UNDERSCAN_AUTO, 98 } mode; 99 u32 hborder; 100 u32 vborder; 101 } underscan; 102 bool full; 103 } scaler; 104 105 struct { 106 int color_vibrance; 107 int vibrant_hue; 108 } procamp; 109 110 union { 111 struct { 112 bool dither:1; 113 bool scaler:1; 114 bool procamp:1; 115 }; 116 u8 mask; 117 } set; 118 }; 119 120 struct nouveau_connector { 121 struct drm_connector base; 122 enum dcb_connector_type type; 123 u8 index; 124 125 struct nvif_conn conn; 126 u64 hpd_pending; 127 struct nvif_event hpd; 128 struct nvif_event irq; 129 struct work_struct irq_work; 130 131 struct drm_dp_aux aux; 132 133 /* The fixed DP encoder for this connector, if there is one */ 134 struct nouveau_encoder *dp_encoder; 135 136 int dithering_mode; 137 int scaling_mode; 138 139 struct nouveau_encoder *detected_encoder; 140 struct edid *edid; 141 struct drm_display_mode *native_mode; 142 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT 143 struct nouveau_backlight *backlight; 144 #endif 145 /* 146 * Our connector property code expects a nouveau_conn_atom struct 147 * even on pre-nv50 where we do not support atomic. This embedded 148 * version gets used in the non atomic modeset case. 149 */ 150 struct nouveau_conn_atom properties_state; 151 }; 152 153 static inline struct nouveau_connector *nouveau_connector( 154 struct drm_connector *con) 155 { 156 return container_of(con, struct nouveau_connector, base); 157 } 158 159 static inline bool 160 nouveau_connector_is_mst(struct drm_connector *connector) 161 { 162 const struct nouveau_encoder *nv_encoder; 163 const struct drm_encoder *encoder; 164 165 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 166 return false; 167 168 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY); 169 if (!nv_encoder) 170 return false; 171 172 encoder = &nv_encoder->base.base; 173 return encoder->encoder_type == DRM_MODE_ENCODER_DPMST; 174 } 175 176 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \ 177 drm_for_each_connector_iter(connector, iter) \ 178 for_each_if(!nouveau_connector_is_mst(connector)) 179 180 static inline struct nouveau_connector * 181 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc) 182 { 183 struct drm_device *dev = nv_crtc->base.dev; 184 struct drm_connector *connector; 185 struct drm_connector_list_iter conn_iter; 186 struct nouveau_connector *nv_connector = NULL; 187 struct drm_crtc *crtc = to_drm_crtc(nv_crtc); 188 189 drm_connector_list_iter_begin(dev, &conn_iter); 190 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 191 if (connector->encoder && connector->encoder->crtc == crtc) { 192 nv_connector = nouveau_connector(connector); 193 break; 194 } 195 } 196 drm_connector_list_iter_end(&conn_iter); 197 198 return nv_connector; 199 } 200 201 struct drm_connector * 202 nouveau_connector_create(struct drm_device *, int id); 203 void nouveau_connector_hpd(struct nouveau_connector *, u64 bits); 204 205 extern int nouveau_tv_disable; 206 extern int nouveau_ignorelid; 207 extern int nouveau_duallink; 208 extern int nouveau_hdmimhz; 209 210 void nouveau_conn_attach_properties(struct drm_connector *); 211 void nouveau_conn_reset(struct drm_connector *); 212 struct drm_connector_state * 213 nouveau_conn_atomic_duplicate_state(struct drm_connector *); 214 void nouveau_conn_atomic_destroy_state(struct drm_connector *, 215 struct drm_connector_state *); 216 int nouveau_conn_atomic_set_property(struct drm_connector *, 217 struct drm_connector_state *, 218 struct drm_property *, u64); 219 int nouveau_conn_atomic_get_property(struct drm_connector *, 220 const struct drm_connector_state *, 221 struct drm_property *, u64 *); 222 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *); 223 enum drm_mode_status 224 nouveau_conn_mode_clock_valid(const struct drm_display_mode *, 225 const unsigned min_clock, 226 const unsigned max_clock, 227 unsigned *clock); 228 229 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT 230 extern int nouveau_backlight_init(struct drm_connector *); 231 extern void nouveau_backlight_fini(struct drm_connector *); 232 extern void nouveau_backlight_ctor(void); 233 extern void nouveau_backlight_dtor(void); 234 #else 235 static inline int 236 nouveau_backlight_init(struct drm_connector *connector) 237 { 238 return 0; 239 } 240 241 static inline void 242 nouveau_backlight_fini(struct drm_connector *connector) { 243 } 244 245 static inline void 246 nouveau_backlight_ctor(void) { 247 } 248 249 static inline void 250 nouveau_backlight_dtor(void) { 251 } 252 #endif 253 254 #endif /* __NOUVEAU_CONNECTOR_H__ */ 255