1f453ba04SDave Airlie /* 2f453ba04SDave Airlie * Copyright (c) 2006-2008 Intel Corporation 3f453ba04SDave Airlie * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 4f453ba04SDave Airlie * Copyright (c) 2008 Red Hat Inc. 5f453ba04SDave Airlie * 6f453ba04SDave Airlie * DRM core CRTC related functions 7f453ba04SDave Airlie * 8f453ba04SDave Airlie * Permission to use, copy, modify, distribute, and sell this software and its 9f453ba04SDave Airlie * documentation for any purpose is hereby granted without fee, provided that 10f453ba04SDave Airlie * the above copyright notice appear in all copies and that both that copyright 11f453ba04SDave Airlie * notice and this permission notice appear in supporting documentation, and 12f453ba04SDave Airlie * that the name of the copyright holders not be used in advertising or 13f453ba04SDave Airlie * publicity pertaining to distribution of the software without specific, 14f453ba04SDave Airlie * written prior permission. The copyright holders make no representations 15f453ba04SDave Airlie * about the suitability of this software for any purpose. It is provided "as 16f453ba04SDave Airlie * is" without express or implied warranty. 17f453ba04SDave Airlie * 18f453ba04SDave Airlie * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 19f453ba04SDave Airlie * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 20f453ba04SDave Airlie * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 21f453ba04SDave Airlie * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 22f453ba04SDave Airlie * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 23f453ba04SDave Airlie * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 24f453ba04SDave Airlie * OF THIS SOFTWARE. 25f453ba04SDave Airlie * 26f453ba04SDave Airlie * Authors: 27f453ba04SDave Airlie * Keith Packard 28f453ba04SDave Airlie * Eric Anholt <eric@anholt.net> 29f453ba04SDave Airlie * Dave Airlie <airlied@linux.ie> 30f453ba04SDave Airlie * Jesse Barnes <jesse.barnes@intel.com> 31f453ba04SDave Airlie */ 32f453ba04SDave Airlie #include <linux/list.h> 33f453ba04SDave Airlie #include "drm.h" 34f453ba04SDave Airlie #include "drmP.h" 35f453ba04SDave Airlie #include "drm_crtc.h" 36f453ba04SDave Airlie 37f453ba04SDave Airlie struct drm_prop_enum_list { 38f453ba04SDave Airlie int type; 39f453ba04SDave Airlie char *name; 40f453ba04SDave Airlie }; 41f453ba04SDave Airlie 42f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 43f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 44f453ba04SDave Airlie char *fnname(int val) \ 45f453ba04SDave Airlie { \ 46f453ba04SDave Airlie int i; \ 47f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 48f453ba04SDave Airlie if (list[i].type == val) \ 49f453ba04SDave Airlie return list[i].name; \ 50f453ba04SDave Airlie } \ 51f453ba04SDave Airlie return "(unknown)"; \ 52f453ba04SDave Airlie } 53f453ba04SDave Airlie 54f453ba04SDave Airlie /* 55f453ba04SDave Airlie * Global properties 56f453ba04SDave Airlie */ 57f453ba04SDave Airlie static struct drm_prop_enum_list drm_dpms_enum_list[] = 58f453ba04SDave Airlie { { DRM_MODE_DPMS_ON, "On" }, 59f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 60f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 61f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 62f453ba04SDave Airlie }; 63f453ba04SDave Airlie 64f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 65f453ba04SDave Airlie 66f453ba04SDave Airlie /* 67f453ba04SDave Airlie * Optional properties 68f453ba04SDave Airlie */ 69f453ba04SDave Airlie static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 70f453ba04SDave Airlie { 71f453ba04SDave Airlie { DRM_MODE_SCALE_NON_GPU, "Non-GPU" }, 72f453ba04SDave Airlie { DRM_MODE_SCALE_FULLSCREEN, "Fullscreen" }, 73f453ba04SDave Airlie { DRM_MODE_SCALE_NO_SCALE, "No scale" }, 74f453ba04SDave Airlie { DRM_MODE_SCALE_ASPECT, "Aspect" }, 75f453ba04SDave Airlie }; 76f453ba04SDave Airlie 77f453ba04SDave Airlie static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = 78f453ba04SDave Airlie { 79f453ba04SDave Airlie { DRM_MODE_DITHERING_OFF, "Off" }, 80f453ba04SDave Airlie { DRM_MODE_DITHERING_ON, "On" }, 81f453ba04SDave Airlie }; 82f453ba04SDave Airlie 83f453ba04SDave Airlie /* 84f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 85f453ba04SDave Airlie */ 86f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 87f453ba04SDave Airlie { 88f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 89f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 90f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 91f453ba04SDave Airlie }; 92f453ba04SDave Airlie 93f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 94f453ba04SDave Airlie 95f453ba04SDave Airlie static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 96f453ba04SDave Airlie { 97f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 98f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 99f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 100f453ba04SDave Airlie }; 101f453ba04SDave Airlie 102f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 103f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 104f453ba04SDave Airlie 105f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_select_enum_list[] = 106f453ba04SDave Airlie { 107f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 108f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 109f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 110f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 111f453ba04SDave Airlie }; 112f453ba04SDave Airlie 113f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 114f453ba04SDave Airlie 115f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 116f453ba04SDave Airlie { 117f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 118f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 119f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 120f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 121f453ba04SDave Airlie }; 122f453ba04SDave Airlie 123f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 124f453ba04SDave Airlie drm_tv_subconnector_enum_list) 125f453ba04SDave Airlie 126f453ba04SDave Airlie struct drm_conn_prop_enum_list { 127f453ba04SDave Airlie int type; 128f453ba04SDave Airlie char *name; 129f453ba04SDave Airlie int count; 130f453ba04SDave Airlie }; 131f453ba04SDave Airlie 132f453ba04SDave Airlie /* 133f453ba04SDave Airlie * Connector and encoder types. 134f453ba04SDave Airlie */ 135f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 136f453ba04SDave Airlie { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, 137f453ba04SDave Airlie { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, 138f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, 139f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, 140f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, 141f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, 142f453ba04SDave Airlie { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, 143f453ba04SDave Airlie { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, 144f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Component, "Component", 0 }, 145f453ba04SDave Airlie { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 }, 146f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 }, 147f453ba04SDave Airlie { DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 }, 148f453ba04SDave Airlie { DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 }, 149f453ba04SDave Airlie }; 150f453ba04SDave Airlie 151f453ba04SDave Airlie static struct drm_prop_enum_list drm_encoder_enum_list[] = 152f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 153f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 154f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 155f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 156f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 157f453ba04SDave Airlie }; 158f453ba04SDave Airlie 159f453ba04SDave Airlie char *drm_get_encoder_name(struct drm_encoder *encoder) 160f453ba04SDave Airlie { 161f453ba04SDave Airlie static char buf[32]; 162f453ba04SDave Airlie 163f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 164f453ba04SDave Airlie drm_encoder_enum_list[encoder->encoder_type].name, 165f453ba04SDave Airlie encoder->base.id); 166f453ba04SDave Airlie return buf; 167f453ba04SDave Airlie } 168f453ba04SDave Airlie 169f453ba04SDave Airlie char *drm_get_connector_name(struct drm_connector *connector) 170f453ba04SDave Airlie { 171f453ba04SDave Airlie static char buf[32]; 172f453ba04SDave Airlie 173f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 174f453ba04SDave Airlie drm_connector_enum_list[connector->connector_type].name, 175f453ba04SDave Airlie connector->connector_type_id); 176f453ba04SDave Airlie return buf; 177f453ba04SDave Airlie } 178f453ba04SDave Airlie EXPORT_SYMBOL(drm_get_connector_name); 179f453ba04SDave Airlie 180f453ba04SDave Airlie char *drm_get_connector_status_name(enum drm_connector_status status) 181f453ba04SDave Airlie { 182f453ba04SDave Airlie if (status == connector_status_connected) 183f453ba04SDave Airlie return "connected"; 184f453ba04SDave Airlie else if (status == connector_status_disconnected) 185f453ba04SDave Airlie return "disconnected"; 186f453ba04SDave Airlie else 187f453ba04SDave Airlie return "unknown"; 188f453ba04SDave Airlie } 189f453ba04SDave Airlie 190f453ba04SDave Airlie /** 191f453ba04SDave Airlie * drm_mode_object_get - allocate a new identifier 192f453ba04SDave Airlie * @dev: DRM device 193f453ba04SDave Airlie * @ptr: object pointer, used to generate unique ID 194f453ba04SDave Airlie * @type: object type 195f453ba04SDave Airlie * 196f453ba04SDave Airlie * LOCKING: 197f453ba04SDave Airlie * 198f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 199f453ba04SDave Airlie * for tracking modes, CRTCs and connectors. 200f453ba04SDave Airlie * 201f453ba04SDave Airlie * RETURNS: 202f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 203f453ba04SDave Airlie * object. 204f453ba04SDave Airlie */ 205f453ba04SDave Airlie static int drm_mode_object_get(struct drm_device *dev, 206f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 207f453ba04SDave Airlie { 208f453ba04SDave Airlie int new_id = 0; 209f453ba04SDave Airlie int ret; 210f453ba04SDave Airlie 211f453ba04SDave Airlie again: 212f453ba04SDave Airlie if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { 213f453ba04SDave Airlie DRM_ERROR("Ran out memory getting a mode number\n"); 214f453ba04SDave Airlie return -EINVAL; 215f453ba04SDave Airlie } 216f453ba04SDave Airlie 217ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 218f453ba04SDave Airlie ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); 219ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 220f453ba04SDave Airlie if (ret == -EAGAIN) 221f453ba04SDave Airlie goto again; 222f453ba04SDave Airlie 223f453ba04SDave Airlie obj->id = new_id; 224f453ba04SDave Airlie obj->type = obj_type; 225f453ba04SDave Airlie return 0; 226f453ba04SDave Airlie } 227f453ba04SDave Airlie 228f453ba04SDave Airlie /** 229f453ba04SDave Airlie * drm_mode_object_put - free an identifer 230f453ba04SDave Airlie * @dev: DRM device 231f453ba04SDave Airlie * @id: ID to free 232f453ba04SDave Airlie * 233f453ba04SDave Airlie * LOCKING: 234f453ba04SDave Airlie * Caller must hold DRM mode_config lock. 235f453ba04SDave Airlie * 236f453ba04SDave Airlie * Free @id from @dev's unique identifier pool. 237f453ba04SDave Airlie */ 238f453ba04SDave Airlie static void drm_mode_object_put(struct drm_device *dev, 239f453ba04SDave Airlie struct drm_mode_object *object) 240f453ba04SDave Airlie { 241ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 242f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 243ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 244f453ba04SDave Airlie } 245f453ba04SDave Airlie 246f453ba04SDave Airlie void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type) 247f453ba04SDave Airlie { 248ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 249f453ba04SDave Airlie 250ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 251f453ba04SDave Airlie obj = idr_find(&dev->mode_config.crtc_idr, id); 252f453ba04SDave Airlie if (!obj || (obj->type != type) || (obj->id != id)) 253ad2563c2SJesse Barnes obj = NULL; 254ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 255f453ba04SDave Airlie 256f453ba04SDave Airlie return obj; 257f453ba04SDave Airlie } 258f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 259f453ba04SDave Airlie 260f453ba04SDave Airlie /** 261f453ba04SDave Airlie * drm_crtc_from_fb - find the CRTC structure associated with an fb 262f453ba04SDave Airlie * @dev: DRM device 263f453ba04SDave Airlie * @fb: framebuffer in question 264f453ba04SDave Airlie * 265f453ba04SDave Airlie * LOCKING: 266f453ba04SDave Airlie * Caller must hold mode_config lock. 267f453ba04SDave Airlie * 268f453ba04SDave Airlie * Find CRTC in the mode_config structure that matches @fb. 269f453ba04SDave Airlie * 270f453ba04SDave Airlie * RETURNS: 271f453ba04SDave Airlie * Pointer to the CRTC or NULL if it wasn't found. 272f453ba04SDave Airlie */ 273f453ba04SDave Airlie struct drm_crtc *drm_crtc_from_fb(struct drm_device *dev, 274f453ba04SDave Airlie struct drm_framebuffer *fb) 275f453ba04SDave Airlie { 276f453ba04SDave Airlie struct drm_crtc *crtc; 277f453ba04SDave Airlie 278f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 279f453ba04SDave Airlie if (crtc->fb == fb) 280f453ba04SDave Airlie return crtc; 281f453ba04SDave Airlie } 282f453ba04SDave Airlie return NULL; 283f453ba04SDave Airlie } 284f453ba04SDave Airlie 285f453ba04SDave Airlie /** 286f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 287f453ba04SDave Airlie * @dev: DRM device 288f453ba04SDave Airlie * 289f453ba04SDave Airlie * LOCKING: 290f453ba04SDave Airlie * Caller must hold mode config lock. 291f453ba04SDave Airlie * 292f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 293f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 294f453ba04SDave Airlie * 295f453ba04SDave Airlie * RETURNS: 296f453ba04SDave Airlie * Zero on success, error code on falure. 297f453ba04SDave Airlie */ 298f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 299f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 300f453ba04SDave Airlie { 301f453ba04SDave Airlie int ret; 302f453ba04SDave Airlie 303f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 304f453ba04SDave Airlie if (ret) { 305f453ba04SDave Airlie return ret; 306f453ba04SDave Airlie } 307f453ba04SDave Airlie 308f453ba04SDave Airlie fb->dev = dev; 309f453ba04SDave Airlie fb->funcs = funcs; 310f453ba04SDave Airlie dev->mode_config.num_fb++; 311f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 312f453ba04SDave Airlie 313f453ba04SDave Airlie return 0; 314f453ba04SDave Airlie } 315f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 316f453ba04SDave Airlie 317f453ba04SDave Airlie /** 318f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 319f453ba04SDave Airlie * @fb: framebuffer to remove 320f453ba04SDave Airlie * 321f453ba04SDave Airlie * LOCKING: 322f453ba04SDave Airlie * Caller must hold mode config lock. 323f453ba04SDave Airlie * 324f453ba04SDave Airlie * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes 325f453ba04SDave Airlie * it, setting it to NULL. 326f453ba04SDave Airlie */ 327f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 328f453ba04SDave Airlie { 329f453ba04SDave Airlie struct drm_device *dev = fb->dev; 330f453ba04SDave Airlie struct drm_crtc *crtc; 331f453ba04SDave Airlie 332f453ba04SDave Airlie /* remove from any CRTC */ 333f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 334f453ba04SDave Airlie if (crtc->fb == fb) 335f453ba04SDave Airlie crtc->fb = NULL; 336f453ba04SDave Airlie } 337f453ba04SDave Airlie 338f453ba04SDave Airlie drm_mode_object_put(dev, &fb->base); 339f453ba04SDave Airlie list_del(&fb->head); 340f453ba04SDave Airlie dev->mode_config.num_fb--; 341f453ba04SDave Airlie } 342f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_cleanup); 343f453ba04SDave Airlie 344f453ba04SDave Airlie /** 345f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 346f453ba04SDave Airlie * @dev: DRM device 347f453ba04SDave Airlie * @crtc: CRTC object to init 348f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 349f453ba04SDave Airlie * 350f453ba04SDave Airlie * LOCKING: 351f453ba04SDave Airlie * Caller must hold mode config lock. 352f453ba04SDave Airlie * 353f453ba04SDave Airlie * Inits a new object created as base part of an driver crtc object. 354f453ba04SDave Airlie */ 355f453ba04SDave Airlie void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 356f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 357f453ba04SDave Airlie { 358f453ba04SDave Airlie crtc->dev = dev; 359f453ba04SDave Airlie crtc->funcs = funcs; 360f453ba04SDave Airlie 361f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 362f453ba04SDave Airlie drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 363f453ba04SDave Airlie 364f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 365f453ba04SDave Airlie dev->mode_config.num_crtc++; 366f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 367f453ba04SDave Airlie } 368f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 369f453ba04SDave Airlie 370f453ba04SDave Airlie /** 371f453ba04SDave Airlie * drm_crtc_cleanup - Cleans up the core crtc usage. 372f453ba04SDave Airlie * @crtc: CRTC to cleanup 373f453ba04SDave Airlie * 374f453ba04SDave Airlie * LOCKING: 375f453ba04SDave Airlie * Caller must hold mode config lock. 376f453ba04SDave Airlie * 377f453ba04SDave Airlie * Cleanup @crtc. Removes from drm modesetting space 378f453ba04SDave Airlie * does NOT free object, caller does that. 379f453ba04SDave Airlie */ 380f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 381f453ba04SDave Airlie { 382f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 383f453ba04SDave Airlie 384f453ba04SDave Airlie if (crtc->gamma_store) { 385f453ba04SDave Airlie kfree(crtc->gamma_store); 386f453ba04SDave Airlie crtc->gamma_store = NULL; 387f453ba04SDave Airlie } 388f453ba04SDave Airlie 389f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 390f453ba04SDave Airlie list_del(&crtc->head); 391f453ba04SDave Airlie dev->mode_config.num_crtc--; 392f453ba04SDave Airlie } 393f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 394f453ba04SDave Airlie 395f453ba04SDave Airlie /** 396f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 397f453ba04SDave Airlie * @connector: connector the new mode 398f453ba04SDave Airlie * @mode: mode data 399f453ba04SDave Airlie * 400f453ba04SDave Airlie * LOCKING: 401f453ba04SDave Airlie * Caller must hold mode config lock. 402f453ba04SDave Airlie * 403f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 404f453ba04SDave Airlie */ 405f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 406f453ba04SDave Airlie struct drm_display_mode *mode) 407f453ba04SDave Airlie { 408f453ba04SDave Airlie list_add(&mode->head, &connector->probed_modes); 409f453ba04SDave Airlie } 410f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 411f453ba04SDave Airlie 412f453ba04SDave Airlie /** 413f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 414f453ba04SDave Airlie * @connector: connector list to modify 415f453ba04SDave Airlie * @mode: mode to remove 416f453ba04SDave Airlie * 417f453ba04SDave Airlie * LOCKING: 418f453ba04SDave Airlie * Caller must hold mode config lock. 419f453ba04SDave Airlie * 420f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 421f453ba04SDave Airlie */ 422f453ba04SDave Airlie void drm_mode_remove(struct drm_connector *connector, 423f453ba04SDave Airlie struct drm_display_mode *mode) 424f453ba04SDave Airlie { 425f453ba04SDave Airlie list_del(&mode->head); 426f453ba04SDave Airlie kfree(mode); 427f453ba04SDave Airlie } 428f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_remove); 429f453ba04SDave Airlie 430f453ba04SDave Airlie /** 431f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 432f453ba04SDave Airlie * @dev: DRM device 433f453ba04SDave Airlie * @connector: the connector to init 434f453ba04SDave Airlie * @funcs: callbacks for this connector 435f453ba04SDave Airlie * @name: user visible name of the connector 436f453ba04SDave Airlie * 437f453ba04SDave Airlie * LOCKING: 438f453ba04SDave Airlie * Caller must hold @dev's mode_config lock. 439f453ba04SDave Airlie * 440f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 441f453ba04SDave Airlie * subclassed as part of driver connector objects. 442f453ba04SDave Airlie */ 443f453ba04SDave Airlie void drm_connector_init(struct drm_device *dev, 444f453ba04SDave Airlie struct drm_connector *connector, 445f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 446f453ba04SDave Airlie int connector_type) 447f453ba04SDave Airlie { 448f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 449f453ba04SDave Airlie 450f453ba04SDave Airlie connector->dev = dev; 451f453ba04SDave Airlie connector->funcs = funcs; 452f453ba04SDave Airlie drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 453f453ba04SDave Airlie connector->connector_type = connector_type; 454f453ba04SDave Airlie connector->connector_type_id = 455f453ba04SDave Airlie ++drm_connector_enum_list[connector_type].count; /* TODO */ 456f453ba04SDave Airlie INIT_LIST_HEAD(&connector->user_modes); 457f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 458f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 459f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 460f453ba04SDave Airlie 461f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 462f453ba04SDave Airlie dev->mode_config.num_connector++; 463f453ba04SDave Airlie 464f453ba04SDave Airlie drm_connector_attach_property(connector, 465f453ba04SDave Airlie dev->mode_config.edid_property, 0); 466f453ba04SDave Airlie 467f453ba04SDave Airlie drm_connector_attach_property(connector, 468f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 469f453ba04SDave Airlie 470f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 471f453ba04SDave Airlie } 472f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 473f453ba04SDave Airlie 474f453ba04SDave Airlie /** 475f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 476f453ba04SDave Airlie * @connector: connector to cleanup 477f453ba04SDave Airlie * 478f453ba04SDave Airlie * LOCKING: 479f453ba04SDave Airlie * Caller must hold @dev's mode_config lock. 480f453ba04SDave Airlie * 481f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 482f453ba04SDave Airlie */ 483f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 484f453ba04SDave Airlie { 485f453ba04SDave Airlie struct drm_device *dev = connector->dev; 486f453ba04SDave Airlie struct drm_display_mode *mode, *t; 487f453ba04SDave Airlie 488f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 489f453ba04SDave Airlie drm_mode_remove(connector, mode); 490f453ba04SDave Airlie 491f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 492f453ba04SDave Airlie drm_mode_remove(connector, mode); 493f453ba04SDave Airlie 494f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->user_modes, head) 495f453ba04SDave Airlie drm_mode_remove(connector, mode); 496f453ba04SDave Airlie 497f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 498f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 499f453ba04SDave Airlie list_del(&connector->head); 500f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 501f453ba04SDave Airlie } 502f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 503f453ba04SDave Airlie 504f453ba04SDave Airlie void drm_encoder_init(struct drm_device *dev, 505f453ba04SDave Airlie struct drm_encoder *encoder, 506f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 507f453ba04SDave Airlie int encoder_type) 508f453ba04SDave Airlie { 509f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 510f453ba04SDave Airlie 511f453ba04SDave Airlie encoder->dev = dev; 512f453ba04SDave Airlie 513f453ba04SDave Airlie drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 514f453ba04SDave Airlie encoder->encoder_type = encoder_type; 515f453ba04SDave Airlie encoder->funcs = funcs; 516f453ba04SDave Airlie 517f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 518f453ba04SDave Airlie dev->mode_config.num_encoder++; 519f453ba04SDave Airlie 520f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 521f453ba04SDave Airlie } 522f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 523f453ba04SDave Airlie 524f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 525f453ba04SDave Airlie { 526f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 527f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 528f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 529f453ba04SDave Airlie list_del(&encoder->head); 530f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 531f453ba04SDave Airlie } 532f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 533f453ba04SDave Airlie 534f453ba04SDave Airlie /** 535f453ba04SDave Airlie * drm_mode_create - create a new display mode 536f453ba04SDave Airlie * @dev: DRM device 537f453ba04SDave Airlie * 538f453ba04SDave Airlie * LOCKING: 539f453ba04SDave Airlie * Caller must hold DRM mode_config lock. 540f453ba04SDave Airlie * 541f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 542f453ba04SDave Airlie * 543f453ba04SDave Airlie * RETURNS: 544f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 545f453ba04SDave Airlie */ 546f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 547f453ba04SDave Airlie { 548f453ba04SDave Airlie struct drm_display_mode *nmode; 549f453ba04SDave Airlie 550f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 551f453ba04SDave Airlie if (!nmode) 552f453ba04SDave Airlie return NULL; 553f453ba04SDave Airlie 554f453ba04SDave Airlie drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); 555f453ba04SDave Airlie return nmode; 556f453ba04SDave Airlie } 557f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 558f453ba04SDave Airlie 559f453ba04SDave Airlie /** 560f453ba04SDave Airlie * drm_mode_destroy - remove a mode 561f453ba04SDave Airlie * @dev: DRM device 562f453ba04SDave Airlie * @mode: mode to remove 563f453ba04SDave Airlie * 564f453ba04SDave Airlie * LOCKING: 565f453ba04SDave Airlie * Caller must hold mode config lock. 566f453ba04SDave Airlie * 567f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 568f453ba04SDave Airlie */ 569f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 570f453ba04SDave Airlie { 571f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 572f453ba04SDave Airlie 573f453ba04SDave Airlie kfree(mode); 574f453ba04SDave Airlie } 575f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 576f453ba04SDave Airlie 577f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 578f453ba04SDave Airlie { 579f453ba04SDave Airlie struct drm_property *edid; 580f453ba04SDave Airlie struct drm_property *dpms; 581f453ba04SDave Airlie int i; 582f453ba04SDave Airlie 583f453ba04SDave Airlie /* 584f453ba04SDave Airlie * Standard properties (apply to all connectors) 585f453ba04SDave Airlie */ 586f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 587f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 588f453ba04SDave Airlie "EDID", 0); 589f453ba04SDave Airlie dev->mode_config.edid_property = edid; 590f453ba04SDave Airlie 591f453ba04SDave Airlie dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, 592f453ba04SDave Airlie "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); 593f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) 594f453ba04SDave Airlie drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, 595f453ba04SDave Airlie drm_dpms_enum_list[i].name); 596f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 597f453ba04SDave Airlie 598f453ba04SDave Airlie return 0; 599f453ba04SDave Airlie } 600f453ba04SDave Airlie 601f453ba04SDave Airlie /** 602f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 603f453ba04SDave Airlie * @dev: DRM device 604f453ba04SDave Airlie * 605f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 606f453ba04SDave Airlie */ 607f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 608f453ba04SDave Airlie { 609f453ba04SDave Airlie struct drm_property *dvi_i_selector; 610f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 611f453ba04SDave Airlie int i; 612f453ba04SDave Airlie 613f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 614f453ba04SDave Airlie return 0; 615f453ba04SDave Airlie 616f453ba04SDave Airlie dvi_i_selector = 617f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 618f453ba04SDave Airlie "select subconnector", 619f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 620f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) 621f453ba04SDave Airlie drm_property_add_enum(dvi_i_selector, i, 622f453ba04SDave Airlie drm_dvi_i_select_enum_list[i].type, 623f453ba04SDave Airlie drm_dvi_i_select_enum_list[i].name); 624f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 625f453ba04SDave Airlie 626f453ba04SDave Airlie dvi_i_subconnector = 627f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM | 628f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 629f453ba04SDave Airlie "subconnector", 630f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 631f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) 632f453ba04SDave Airlie drm_property_add_enum(dvi_i_subconnector, i, 633f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list[i].type, 634f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list[i].name); 635f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 636f453ba04SDave Airlie 637f453ba04SDave Airlie return 0; 638f453ba04SDave Airlie } 639f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 640f453ba04SDave Airlie 641f453ba04SDave Airlie /** 642f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 643f453ba04SDave Airlie * @dev: DRM device 644f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 645f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 646f453ba04SDave Airlie * 647f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 648f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 649f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 650f453ba04SDave Airlie * this routine. 651f453ba04SDave Airlie */ 652f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 653f453ba04SDave Airlie char *modes[]) 654f453ba04SDave Airlie { 655f453ba04SDave Airlie struct drm_property *tv_selector; 656f453ba04SDave Airlie struct drm_property *tv_subconnector; 657f453ba04SDave Airlie int i; 658f453ba04SDave Airlie 659f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 660f453ba04SDave Airlie return 0; 661f453ba04SDave Airlie 662f453ba04SDave Airlie /* 663f453ba04SDave Airlie * Basic connector properties 664f453ba04SDave Airlie */ 665f453ba04SDave Airlie tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, 666f453ba04SDave Airlie "select subconnector", 667f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 668f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) 669f453ba04SDave Airlie drm_property_add_enum(tv_selector, i, 670f453ba04SDave Airlie drm_tv_select_enum_list[i].type, 671f453ba04SDave Airlie drm_tv_select_enum_list[i].name); 672f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 673f453ba04SDave Airlie 674f453ba04SDave Airlie tv_subconnector = 675f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM | 676f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, "subconnector", 677f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 678f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) 679f453ba04SDave Airlie drm_property_add_enum(tv_subconnector, i, 680f453ba04SDave Airlie drm_tv_subconnector_enum_list[i].type, 681f453ba04SDave Airlie drm_tv_subconnector_enum_list[i].name); 682f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 683f453ba04SDave Airlie 684f453ba04SDave Airlie /* 685f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 686f453ba04SDave Airlie */ 687f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 688f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 689f453ba04SDave Airlie "left margin", 2); 690f453ba04SDave Airlie dev->mode_config.tv_left_margin_property->values[0] = 0; 691f453ba04SDave Airlie dev->mode_config.tv_left_margin_property->values[1] = 100; 692f453ba04SDave Airlie 693f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 694f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 695f453ba04SDave Airlie "right margin", 2); 696f453ba04SDave Airlie dev->mode_config.tv_right_margin_property->values[0] = 0; 697f453ba04SDave Airlie dev->mode_config.tv_right_margin_property->values[1] = 100; 698f453ba04SDave Airlie 699f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 700f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 701f453ba04SDave Airlie "top margin", 2); 702f453ba04SDave Airlie dev->mode_config.tv_top_margin_property->values[0] = 0; 703f453ba04SDave Airlie dev->mode_config.tv_top_margin_property->values[1] = 100; 704f453ba04SDave Airlie 705f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 706f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 707f453ba04SDave Airlie "bottom margin", 2); 708f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property->values[0] = 0; 709f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property->values[1] = 100; 710f453ba04SDave Airlie 711f453ba04SDave Airlie dev->mode_config.tv_mode_property = 712f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 713f453ba04SDave Airlie "mode", num_modes); 714f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 715f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 716f453ba04SDave Airlie i, modes[i]); 717f453ba04SDave Airlie 718f453ba04SDave Airlie return 0; 719f453ba04SDave Airlie } 720f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 721f453ba04SDave Airlie 722f453ba04SDave Airlie /** 723f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 724f453ba04SDave Airlie * @dev: DRM device 725f453ba04SDave Airlie * 726f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 727f453ba04SDave Airlie * connectors. 728f453ba04SDave Airlie */ 729f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 730f453ba04SDave Airlie { 731f453ba04SDave Airlie struct drm_property *scaling_mode; 732f453ba04SDave Airlie int i; 733f453ba04SDave Airlie 734f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 735f453ba04SDave Airlie return 0; 736f453ba04SDave Airlie 737f453ba04SDave Airlie scaling_mode = 738f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", 739f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 740f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) 741f453ba04SDave Airlie drm_property_add_enum(scaling_mode, i, 742f453ba04SDave Airlie drm_scaling_mode_enum_list[i].type, 743f453ba04SDave Airlie drm_scaling_mode_enum_list[i].name); 744f453ba04SDave Airlie 745f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 746f453ba04SDave Airlie 747f453ba04SDave Airlie return 0; 748f453ba04SDave Airlie } 749f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 750f453ba04SDave Airlie 751f453ba04SDave Airlie /** 752f453ba04SDave Airlie * drm_mode_create_dithering_property - create dithering property 753f453ba04SDave Airlie * @dev: DRM device 754f453ba04SDave Airlie * 755f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 756f453ba04SDave Airlie * connectors. 757f453ba04SDave Airlie */ 758f453ba04SDave Airlie int drm_mode_create_dithering_property(struct drm_device *dev) 759f453ba04SDave Airlie { 760f453ba04SDave Airlie struct drm_property *dithering_mode; 761f453ba04SDave Airlie int i; 762f453ba04SDave Airlie 763f453ba04SDave Airlie if (dev->mode_config.dithering_mode_property) 764f453ba04SDave Airlie return 0; 765f453ba04SDave Airlie 766f453ba04SDave Airlie dithering_mode = 767f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", 768f453ba04SDave Airlie ARRAY_SIZE(drm_dithering_mode_enum_list)); 769f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) 770f453ba04SDave Airlie drm_property_add_enum(dithering_mode, i, 771f453ba04SDave Airlie drm_dithering_mode_enum_list[i].type, 772f453ba04SDave Airlie drm_dithering_mode_enum_list[i].name); 773f453ba04SDave Airlie dev->mode_config.dithering_mode_property = dithering_mode; 774f453ba04SDave Airlie 775f453ba04SDave Airlie return 0; 776f453ba04SDave Airlie } 777f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dithering_property); 778f453ba04SDave Airlie 779f453ba04SDave Airlie /** 780f453ba04SDave Airlie * drm_mode_config_init - initialize DRM mode_configuration structure 781f453ba04SDave Airlie * @dev: DRM device 782f453ba04SDave Airlie * 783f453ba04SDave Airlie * LOCKING: 784f453ba04SDave Airlie * None, should happen single threaded at init time. 785f453ba04SDave Airlie * 786f453ba04SDave Airlie * Initialize @dev's mode_config structure, used for tracking the graphics 787f453ba04SDave Airlie * configuration of @dev. 788f453ba04SDave Airlie */ 789f453ba04SDave Airlie void drm_mode_config_init(struct drm_device *dev) 790f453ba04SDave Airlie { 791f453ba04SDave Airlie mutex_init(&dev->mode_config.mutex); 792ad2563c2SJesse Barnes mutex_init(&dev->mode_config.idr_mutex); 793f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.fb_list); 794f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list); 795f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.crtc_list); 796f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.connector_list); 797f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.encoder_list); 798f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_list); 799f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 800f453ba04SDave Airlie idr_init(&dev->mode_config.crtc_idr); 801f453ba04SDave Airlie 802f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 803f453ba04SDave Airlie drm_mode_create_standard_connector_properties(dev); 804f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 805f453ba04SDave Airlie 806f453ba04SDave Airlie /* Just to be sure */ 807f453ba04SDave Airlie dev->mode_config.num_fb = 0; 808f453ba04SDave Airlie dev->mode_config.num_connector = 0; 809f453ba04SDave Airlie dev->mode_config.num_crtc = 0; 810f453ba04SDave Airlie dev->mode_config.num_encoder = 0; 811f453ba04SDave Airlie } 812f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_init); 813f453ba04SDave Airlie 814f453ba04SDave Airlie int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 815f453ba04SDave Airlie { 816f453ba04SDave Airlie uint32_t total_objects = 0; 817f453ba04SDave Airlie 818f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 819f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 820f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 821f453ba04SDave Airlie 822f453ba04SDave Airlie if (total_objects == 0) 823f453ba04SDave Airlie return -EINVAL; 824f453ba04SDave Airlie 825f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 826f453ba04SDave Airlie if (!group->id_list) 827f453ba04SDave Airlie return -ENOMEM; 828f453ba04SDave Airlie 829f453ba04SDave Airlie group->num_crtcs = 0; 830f453ba04SDave Airlie group->num_connectors = 0; 831f453ba04SDave Airlie group->num_encoders = 0; 832f453ba04SDave Airlie return 0; 833f453ba04SDave Airlie } 834f453ba04SDave Airlie 835f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 836f453ba04SDave Airlie struct drm_mode_group *group) 837f453ba04SDave Airlie { 838f453ba04SDave Airlie struct drm_crtc *crtc; 839f453ba04SDave Airlie struct drm_encoder *encoder; 840f453ba04SDave Airlie struct drm_connector *connector; 841f453ba04SDave Airlie int ret; 842f453ba04SDave Airlie 843f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 844f453ba04SDave Airlie return ret; 845f453ba04SDave Airlie 846f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 847f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 848f453ba04SDave Airlie 849f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 850f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 851f453ba04SDave Airlie encoder->base.id; 852f453ba04SDave Airlie 853f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 854f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 855f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 856f453ba04SDave Airlie 857f453ba04SDave Airlie return 0; 858f453ba04SDave Airlie } 859f453ba04SDave Airlie 860f453ba04SDave Airlie /** 861f453ba04SDave Airlie * drm_mode_config_cleanup - free up DRM mode_config info 862f453ba04SDave Airlie * @dev: DRM device 863f453ba04SDave Airlie * 864f453ba04SDave Airlie * LOCKING: 865f453ba04SDave Airlie * Caller must hold mode config lock. 866f453ba04SDave Airlie * 867f453ba04SDave Airlie * Free up all the connectors and CRTCs associated with this DRM device, then 868f453ba04SDave Airlie * free up the framebuffers and associated buffer objects. 869f453ba04SDave Airlie * 870f453ba04SDave Airlie * FIXME: cleanup any dangling user buffer objects too 871f453ba04SDave Airlie */ 872f453ba04SDave Airlie void drm_mode_config_cleanup(struct drm_device *dev) 873f453ba04SDave Airlie { 874f453ba04SDave Airlie struct drm_connector *connector, *ot; 875f453ba04SDave Airlie struct drm_crtc *crtc, *ct; 876f453ba04SDave Airlie struct drm_encoder *encoder, *enct; 877f453ba04SDave Airlie struct drm_framebuffer *fb, *fbt; 878f453ba04SDave Airlie struct drm_property *property, *pt; 879f453ba04SDave Airlie 880f453ba04SDave Airlie list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 881f453ba04SDave Airlie head) { 882f453ba04SDave Airlie encoder->funcs->destroy(encoder); 883f453ba04SDave Airlie } 884f453ba04SDave Airlie 885f453ba04SDave Airlie list_for_each_entry_safe(connector, ot, 886f453ba04SDave Airlie &dev->mode_config.connector_list, head) { 887f453ba04SDave Airlie connector->funcs->destroy(connector); 888f453ba04SDave Airlie } 889f453ba04SDave Airlie 890f453ba04SDave Airlie list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 891f453ba04SDave Airlie head) { 892f453ba04SDave Airlie drm_property_destroy(dev, property); 893f453ba04SDave Airlie } 894f453ba04SDave Airlie 895f453ba04SDave Airlie list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 896f453ba04SDave Airlie fb->funcs->destroy(fb); 897f453ba04SDave Airlie } 898f453ba04SDave Airlie 899f453ba04SDave Airlie list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 900f453ba04SDave Airlie crtc->funcs->destroy(crtc); 901f453ba04SDave Airlie } 902f453ba04SDave Airlie 903f453ba04SDave Airlie } 904f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_cleanup); 905f453ba04SDave Airlie 906f453ba04SDave Airlie /** 907f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 908f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 909f453ba04SDave Airlie * @in: drm_display_mode to use 910f453ba04SDave Airlie * 911f453ba04SDave Airlie * LOCKING: 912f453ba04SDave Airlie * None. 913f453ba04SDave Airlie * 914f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 915f453ba04SDave Airlie * the user. 916f453ba04SDave Airlie */ 917f453ba04SDave Airlie void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 918f453ba04SDave Airlie struct drm_display_mode *in) 919f453ba04SDave Airlie { 920f453ba04SDave Airlie out->clock = in->clock; 921f453ba04SDave Airlie out->hdisplay = in->hdisplay; 922f453ba04SDave Airlie out->hsync_start = in->hsync_start; 923f453ba04SDave Airlie out->hsync_end = in->hsync_end; 924f453ba04SDave Airlie out->htotal = in->htotal; 925f453ba04SDave Airlie out->hskew = in->hskew; 926f453ba04SDave Airlie out->vdisplay = in->vdisplay; 927f453ba04SDave Airlie out->vsync_start = in->vsync_start; 928f453ba04SDave Airlie out->vsync_end = in->vsync_end; 929f453ba04SDave Airlie out->vtotal = in->vtotal; 930f453ba04SDave Airlie out->vscan = in->vscan; 931f453ba04SDave Airlie out->vrefresh = in->vrefresh; 932f453ba04SDave Airlie out->flags = in->flags; 933f453ba04SDave Airlie out->type = in->type; 934f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 935f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 936f453ba04SDave Airlie } 937f453ba04SDave Airlie 938f453ba04SDave Airlie /** 939f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 940f453ba04SDave Airlie * @out: drm_display_mode to return to the user 941f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 942f453ba04SDave Airlie * 943f453ba04SDave Airlie * LOCKING: 944f453ba04SDave Airlie * None. 945f453ba04SDave Airlie * 946f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 947f453ba04SDave Airlie * the caller. 948f453ba04SDave Airlie */ 949f453ba04SDave Airlie void drm_crtc_convert_umode(struct drm_display_mode *out, 950f453ba04SDave Airlie struct drm_mode_modeinfo *in) 951f453ba04SDave Airlie { 952f453ba04SDave Airlie out->clock = in->clock; 953f453ba04SDave Airlie out->hdisplay = in->hdisplay; 954f453ba04SDave Airlie out->hsync_start = in->hsync_start; 955f453ba04SDave Airlie out->hsync_end = in->hsync_end; 956f453ba04SDave Airlie out->htotal = in->htotal; 957f453ba04SDave Airlie out->hskew = in->hskew; 958f453ba04SDave Airlie out->vdisplay = in->vdisplay; 959f453ba04SDave Airlie out->vsync_start = in->vsync_start; 960f453ba04SDave Airlie out->vsync_end = in->vsync_end; 961f453ba04SDave Airlie out->vtotal = in->vtotal; 962f453ba04SDave Airlie out->vscan = in->vscan; 963f453ba04SDave Airlie out->vrefresh = in->vrefresh; 964f453ba04SDave Airlie out->flags = in->flags; 965f453ba04SDave Airlie out->type = in->type; 966f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 967f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 968f453ba04SDave Airlie } 969f453ba04SDave Airlie 970f453ba04SDave Airlie /** 971f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 972f453ba04SDave Airlie * @inode: inode from the ioctl 973f453ba04SDave Airlie * @filp: file * from the ioctl 974f453ba04SDave Airlie * @cmd: cmd from ioctl 975f453ba04SDave Airlie * @arg: arg from ioctl 976f453ba04SDave Airlie * 977f453ba04SDave Airlie * LOCKING: 978f453ba04SDave Airlie * Takes mode config lock. 979f453ba04SDave Airlie * 980f453ba04SDave Airlie * Construct a set of configuration description structures and return 981f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 982f453ba04SDave Airlie * 983f453ba04SDave Airlie * Called by the user via ioctl. 984f453ba04SDave Airlie * 985f453ba04SDave Airlie * RETURNS: 986f453ba04SDave Airlie * Zero on success, errno on failure. 987f453ba04SDave Airlie */ 988f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 989f453ba04SDave Airlie struct drm_file *file_priv) 990f453ba04SDave Airlie { 991f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 992f453ba04SDave Airlie struct list_head *lh; 993f453ba04SDave Airlie struct drm_framebuffer *fb; 994f453ba04SDave Airlie struct drm_connector *connector; 995f453ba04SDave Airlie struct drm_crtc *crtc; 996f453ba04SDave Airlie struct drm_encoder *encoder; 997f453ba04SDave Airlie int ret = 0; 998f453ba04SDave Airlie int connector_count = 0; 999f453ba04SDave Airlie int crtc_count = 0; 1000f453ba04SDave Airlie int fb_count = 0; 1001f453ba04SDave Airlie int encoder_count = 0; 1002f453ba04SDave Airlie int copied = 0, i; 1003f453ba04SDave Airlie uint32_t __user *fb_id; 1004f453ba04SDave Airlie uint32_t __user *crtc_id; 1005f453ba04SDave Airlie uint32_t __user *connector_id; 1006f453ba04SDave Airlie uint32_t __user *encoder_id; 1007f453ba04SDave Airlie struct drm_mode_group *mode_group; 1008f453ba04SDave Airlie 1009f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1010f453ba04SDave Airlie 1011f453ba04SDave Airlie /* 1012f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1013f453ba04SDave Airlie * by IDs in the group list for this node 1014f453ba04SDave Airlie */ 1015f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1016f453ba04SDave Airlie fb_count++; 1017f453ba04SDave Airlie 1018f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1019f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1020f453ba04SDave Airlie 1021f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1022f453ba04SDave Airlie crtc_count++; 1023f453ba04SDave Airlie 1024f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1025f453ba04SDave Airlie connector_count++; 1026f453ba04SDave Airlie 1027f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1028f453ba04SDave Airlie encoder_count++; 1029f453ba04SDave Airlie } else { 1030f453ba04SDave Airlie 1031f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1032f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1033f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1034f453ba04SDave Airlie } 1035f453ba04SDave Airlie 1036f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1037f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1038f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1039f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1040f453ba04SDave Airlie 1041f453ba04SDave Airlie /* handle this in 4 parts */ 1042f453ba04SDave Airlie /* FBs */ 1043f453ba04SDave Airlie if (card_res->count_fbs >= fb_count) { 1044f453ba04SDave Airlie copied = 0; 1045f453ba04SDave Airlie fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 1046f453ba04SDave Airlie list_for_each_entry(fb, &file_priv->fbs, head) { 1047f453ba04SDave Airlie if (put_user(fb->base.id, fb_id + copied)) { 1048f453ba04SDave Airlie ret = -EFAULT; 1049f453ba04SDave Airlie goto out; 1050f453ba04SDave Airlie } 1051f453ba04SDave Airlie copied++; 1052f453ba04SDave Airlie } 1053f453ba04SDave Airlie } 1054f453ba04SDave Airlie card_res->count_fbs = fb_count; 1055f453ba04SDave Airlie 1056f453ba04SDave Airlie /* CRTCs */ 1057f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1058f453ba04SDave Airlie copied = 0; 1059f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1060f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1061f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1062f453ba04SDave Airlie head) { 1063f453ba04SDave Airlie DRM_DEBUG("CRTC ID is %d\n", crtc->base.id); 1064f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1065f453ba04SDave Airlie ret = -EFAULT; 1066f453ba04SDave Airlie goto out; 1067f453ba04SDave Airlie } 1068f453ba04SDave Airlie copied++; 1069f453ba04SDave Airlie } 1070f453ba04SDave Airlie } else { 1071f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1072f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1073f453ba04SDave Airlie crtc_id + copied)) { 1074f453ba04SDave Airlie ret = -EFAULT; 1075f453ba04SDave Airlie goto out; 1076f453ba04SDave Airlie } 1077f453ba04SDave Airlie copied++; 1078f453ba04SDave Airlie } 1079f453ba04SDave Airlie } 1080f453ba04SDave Airlie } 1081f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1082f453ba04SDave Airlie 1083f453ba04SDave Airlie /* Encoders */ 1084f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1085f453ba04SDave Airlie copied = 0; 1086f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1087f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1088f453ba04SDave Airlie list_for_each_entry(encoder, 1089f453ba04SDave Airlie &dev->mode_config.encoder_list, 1090f453ba04SDave Airlie head) { 1091f453ba04SDave Airlie DRM_DEBUG("ENCODER ID is %d\n", 1092f453ba04SDave Airlie encoder->base.id); 1093f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1094f453ba04SDave Airlie copied)) { 1095f453ba04SDave Airlie ret = -EFAULT; 1096f453ba04SDave Airlie goto out; 1097f453ba04SDave Airlie } 1098f453ba04SDave Airlie copied++; 1099f453ba04SDave Airlie } 1100f453ba04SDave Airlie } else { 1101f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1102f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1103f453ba04SDave Airlie encoder_id + copied)) { 1104f453ba04SDave Airlie ret = -EFAULT; 1105f453ba04SDave Airlie goto out; 1106f453ba04SDave Airlie } 1107f453ba04SDave Airlie copied++; 1108f453ba04SDave Airlie } 1109f453ba04SDave Airlie 1110f453ba04SDave Airlie } 1111f453ba04SDave Airlie } 1112f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1113f453ba04SDave Airlie 1114f453ba04SDave Airlie /* Connectors */ 1115f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1116f453ba04SDave Airlie copied = 0; 1117f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1118f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1119f453ba04SDave Airlie list_for_each_entry(connector, 1120f453ba04SDave Airlie &dev->mode_config.connector_list, 1121f453ba04SDave Airlie head) { 1122f453ba04SDave Airlie DRM_DEBUG("CONNECTOR ID is %d\n", 1123f453ba04SDave Airlie connector->base.id); 1124f453ba04SDave Airlie if (put_user(connector->base.id, 1125f453ba04SDave Airlie connector_id + copied)) { 1126f453ba04SDave Airlie ret = -EFAULT; 1127f453ba04SDave Airlie goto out; 1128f453ba04SDave Airlie } 1129f453ba04SDave Airlie copied++; 1130f453ba04SDave Airlie } 1131f453ba04SDave Airlie } else { 1132f453ba04SDave Airlie int start = mode_group->num_crtcs + 1133f453ba04SDave Airlie mode_group->num_encoders; 1134f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1135f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1136f453ba04SDave Airlie connector_id + copied)) { 1137f453ba04SDave Airlie ret = -EFAULT; 1138f453ba04SDave Airlie goto out; 1139f453ba04SDave Airlie } 1140f453ba04SDave Airlie copied++; 1141f453ba04SDave Airlie } 1142f453ba04SDave Airlie } 1143f453ba04SDave Airlie } 1144f453ba04SDave Airlie card_res->count_connectors = connector_count; 1145f453ba04SDave Airlie 1146f453ba04SDave Airlie DRM_DEBUG("Counted %d %d %d\n", card_res->count_crtcs, 1147f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1148f453ba04SDave Airlie 1149f453ba04SDave Airlie out: 1150f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1151f453ba04SDave Airlie return ret; 1152f453ba04SDave Airlie } 1153f453ba04SDave Airlie 1154f453ba04SDave Airlie /** 1155f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1156f453ba04SDave Airlie * @inode: inode from the ioctl 1157f453ba04SDave Airlie * @filp: file * from the ioctl 1158f453ba04SDave Airlie * @cmd: cmd from ioctl 1159f453ba04SDave Airlie * @arg: arg from ioctl 1160f453ba04SDave Airlie * 1161f453ba04SDave Airlie * LOCKING: 1162f453ba04SDave Airlie * Caller? (FIXME) 1163f453ba04SDave Airlie * 1164f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1165f453ba04SDave Airlie * 1166f453ba04SDave Airlie * Called by the user via ioctl. 1167f453ba04SDave Airlie * 1168f453ba04SDave Airlie * RETURNS: 1169f453ba04SDave Airlie * Zero on success, errno on failure. 1170f453ba04SDave Airlie */ 1171f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1172f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1173f453ba04SDave Airlie { 1174f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1175f453ba04SDave Airlie struct drm_crtc *crtc; 1176f453ba04SDave Airlie struct drm_mode_object *obj; 1177f453ba04SDave Airlie int ret = 0; 1178f453ba04SDave Airlie 1179f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1180f453ba04SDave Airlie 1181f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1182f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1183f453ba04SDave Airlie if (!obj) { 1184f453ba04SDave Airlie ret = -EINVAL; 1185f453ba04SDave Airlie goto out; 1186f453ba04SDave Airlie } 1187f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1188f453ba04SDave Airlie 1189f453ba04SDave Airlie crtc_resp->x = crtc->x; 1190f453ba04SDave Airlie crtc_resp->y = crtc->y; 1191f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1192f453ba04SDave Airlie if (crtc->fb) 1193f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1194f453ba04SDave Airlie else 1195f453ba04SDave Airlie crtc_resp->fb_id = 0; 1196f453ba04SDave Airlie 1197f453ba04SDave Airlie if (crtc->enabled) { 1198f453ba04SDave Airlie 1199f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1200f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1201f453ba04SDave Airlie 1202f453ba04SDave Airlie } else { 1203f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1204f453ba04SDave Airlie } 1205f453ba04SDave Airlie 1206f453ba04SDave Airlie out: 1207f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1208f453ba04SDave Airlie return ret; 1209f453ba04SDave Airlie } 1210f453ba04SDave Airlie 1211f453ba04SDave Airlie /** 1212f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1213f453ba04SDave Airlie * @inode: inode from the ioctl 1214f453ba04SDave Airlie * @filp: file * from the ioctl 1215f453ba04SDave Airlie * @cmd: cmd from ioctl 1216f453ba04SDave Airlie * @arg: arg from ioctl 1217f453ba04SDave Airlie * 1218f453ba04SDave Airlie * LOCKING: 1219f453ba04SDave Airlie * Caller? (FIXME) 1220f453ba04SDave Airlie * 1221f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1222f453ba04SDave Airlie * 1223f453ba04SDave Airlie * Called by the user via ioctl. 1224f453ba04SDave Airlie * 1225f453ba04SDave Airlie * RETURNS: 1226f453ba04SDave Airlie * Zero on success, errno on failure. 1227f453ba04SDave Airlie */ 1228f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1229f453ba04SDave Airlie struct drm_file *file_priv) 1230f453ba04SDave Airlie { 1231f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1232f453ba04SDave Airlie struct drm_mode_object *obj; 1233f453ba04SDave Airlie struct drm_connector *connector; 1234f453ba04SDave Airlie struct drm_display_mode *mode; 1235f453ba04SDave Airlie int mode_count = 0; 1236f453ba04SDave Airlie int props_count = 0; 1237f453ba04SDave Airlie int encoders_count = 0; 1238f453ba04SDave Airlie int ret = 0; 1239f453ba04SDave Airlie int copied = 0; 1240f453ba04SDave Airlie int i; 1241f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1242f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1243f453ba04SDave Airlie uint32_t __user *prop_ptr; 1244f453ba04SDave Airlie uint64_t __user *prop_values; 1245f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1246f453ba04SDave Airlie 1247f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1248f453ba04SDave Airlie 1249f453ba04SDave Airlie DRM_DEBUG("connector id %d:\n", out_resp->connector_id); 1250f453ba04SDave Airlie 1251f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1252f453ba04SDave Airlie 1253f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1254f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1255f453ba04SDave Airlie if (!obj) { 1256f453ba04SDave Airlie ret = -EINVAL; 1257f453ba04SDave Airlie goto out; 1258f453ba04SDave Airlie } 1259f453ba04SDave Airlie connector = obj_to_connector(obj); 1260f453ba04SDave Airlie 1261f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 1262f453ba04SDave Airlie if (connector->property_ids[i] != 0) { 1263f453ba04SDave Airlie props_count++; 1264f453ba04SDave Airlie } 1265f453ba04SDave Airlie } 1266f453ba04SDave Airlie 1267f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1268f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1269f453ba04SDave Airlie encoders_count++; 1270f453ba04SDave Airlie } 1271f453ba04SDave Airlie } 1272f453ba04SDave Airlie 1273f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1274f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1275f453ba04SDave Airlie dev->mode_config.max_width, 1276f453ba04SDave Airlie dev->mode_config.max_height); 1277f453ba04SDave Airlie } 1278f453ba04SDave Airlie 1279f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1280f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 1281f453ba04SDave Airlie mode_count++; 1282f453ba04SDave Airlie 1283f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1284f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1285f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1286f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1287f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1288f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1289f453ba04SDave Airlie out_resp->connection = connector->status; 1290f453ba04SDave Airlie if (connector->encoder) 1291f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1292f453ba04SDave Airlie else 1293f453ba04SDave Airlie out_resp->encoder_id = 0; 1294f453ba04SDave Airlie 1295f453ba04SDave Airlie /* 1296f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1297f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1298f453ba04SDave Airlie */ 1299f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1300f453ba04SDave Airlie copied = 0; 1301f453ba04SDave Airlie mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr; 1302f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 1303f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1304f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1305f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1306f453ba04SDave Airlie ret = -EFAULT; 1307f453ba04SDave Airlie goto out; 1308f453ba04SDave Airlie } 1309f453ba04SDave Airlie copied++; 1310f453ba04SDave Airlie } 1311f453ba04SDave Airlie } 1312f453ba04SDave Airlie out_resp->count_modes = mode_count; 1313f453ba04SDave Airlie 1314f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1315f453ba04SDave Airlie copied = 0; 1316f453ba04SDave Airlie prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr); 1317f453ba04SDave Airlie prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr); 1318f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 1319f453ba04SDave Airlie if (connector->property_ids[i] != 0) { 1320f453ba04SDave Airlie if (put_user(connector->property_ids[i], 1321f453ba04SDave Airlie prop_ptr + copied)) { 1322f453ba04SDave Airlie ret = -EFAULT; 1323f453ba04SDave Airlie goto out; 1324f453ba04SDave Airlie } 1325f453ba04SDave Airlie 1326f453ba04SDave Airlie if (put_user(connector->property_values[i], 1327f453ba04SDave Airlie prop_values + copied)) { 1328f453ba04SDave Airlie ret = -EFAULT; 1329f453ba04SDave Airlie goto out; 1330f453ba04SDave Airlie } 1331f453ba04SDave Airlie copied++; 1332f453ba04SDave Airlie } 1333f453ba04SDave Airlie } 1334f453ba04SDave Airlie } 1335f453ba04SDave Airlie out_resp->count_props = props_count; 1336f453ba04SDave Airlie 1337f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1338f453ba04SDave Airlie copied = 0; 1339f453ba04SDave Airlie encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr); 1340f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1341f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1342f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1343f453ba04SDave Airlie encoder_ptr + copied)) { 1344f453ba04SDave Airlie ret = -EFAULT; 1345f453ba04SDave Airlie goto out; 1346f453ba04SDave Airlie } 1347f453ba04SDave Airlie copied++; 1348f453ba04SDave Airlie } 1349f453ba04SDave Airlie } 1350f453ba04SDave Airlie } 1351f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1352f453ba04SDave Airlie 1353f453ba04SDave Airlie out: 1354f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1355f453ba04SDave Airlie return ret; 1356f453ba04SDave Airlie } 1357f453ba04SDave Airlie 1358f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1359f453ba04SDave Airlie struct drm_file *file_priv) 1360f453ba04SDave Airlie { 1361f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1362f453ba04SDave Airlie struct drm_mode_object *obj; 1363f453ba04SDave Airlie struct drm_encoder *encoder; 1364f453ba04SDave Airlie int ret = 0; 1365f453ba04SDave Airlie 1366f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1367f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1368f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1369f453ba04SDave Airlie if (!obj) { 1370f453ba04SDave Airlie ret = -EINVAL; 1371f453ba04SDave Airlie goto out; 1372f453ba04SDave Airlie } 1373f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1374f453ba04SDave Airlie 1375f453ba04SDave Airlie if (encoder->crtc) 1376f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1377f453ba04SDave Airlie else 1378f453ba04SDave Airlie enc_resp->crtc_id = 0; 1379f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1380f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1381f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1382f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1383f453ba04SDave Airlie 1384f453ba04SDave Airlie out: 1385f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1386f453ba04SDave Airlie return ret; 1387f453ba04SDave Airlie } 1388f453ba04SDave Airlie 1389f453ba04SDave Airlie /** 1390f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 1391f453ba04SDave Airlie * @inode: inode from the ioctl 1392f453ba04SDave Airlie * @filp: file * from the ioctl 1393f453ba04SDave Airlie * @cmd: cmd from ioctl 1394f453ba04SDave Airlie * @arg: arg from ioctl 1395f453ba04SDave Airlie * 1396f453ba04SDave Airlie * LOCKING: 1397f453ba04SDave Airlie * Caller? (FIXME) 1398f453ba04SDave Airlie * 1399f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 1400f453ba04SDave Airlie * 1401f453ba04SDave Airlie * Called by the user via ioctl. 1402f453ba04SDave Airlie * 1403f453ba04SDave Airlie * RETURNS: 1404f453ba04SDave Airlie * Zero on success, errno on failure. 1405f453ba04SDave Airlie */ 1406f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 1407f453ba04SDave Airlie struct drm_file *file_priv) 1408f453ba04SDave Airlie { 1409f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1410f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 1411f453ba04SDave Airlie struct drm_mode_object *obj; 1412f453ba04SDave Airlie struct drm_crtc *crtc, *crtcfb; 1413f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 1414f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1415f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 1416f453ba04SDave Airlie struct drm_mode_set set; 1417f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 1418f453ba04SDave Airlie int ret = 0; 1419f453ba04SDave Airlie int i; 1420f453ba04SDave Airlie 1421f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1422f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 1423f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1424f453ba04SDave Airlie if (!obj) { 1425f453ba04SDave Airlie DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req->crtc_id); 1426f453ba04SDave Airlie ret = -EINVAL; 1427f453ba04SDave Airlie goto out; 1428f453ba04SDave Airlie } 1429f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1430f453ba04SDave Airlie 1431f453ba04SDave Airlie if (crtc_req->mode_valid) { 1432f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 1433f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 1434f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 1435f453ba04SDave Airlie list_for_each_entry(crtcfb, 1436f453ba04SDave Airlie &dev->mode_config.crtc_list, head) { 1437f453ba04SDave Airlie if (crtcfb == crtc) { 1438f453ba04SDave Airlie DRM_DEBUG("Using current fb for setmode\n"); 1439f453ba04SDave Airlie fb = crtc->fb; 1440f453ba04SDave Airlie } 1441f453ba04SDave Airlie } 1442f453ba04SDave Airlie } else { 1443f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->fb_id, 1444f453ba04SDave Airlie DRM_MODE_OBJECT_FB); 1445f453ba04SDave Airlie if (!obj) { 1446f453ba04SDave Airlie DRM_DEBUG("Unknown FB ID%d\n", crtc_req->fb_id); 1447f453ba04SDave Airlie ret = -EINVAL; 1448f453ba04SDave Airlie goto out; 1449f453ba04SDave Airlie } 1450f453ba04SDave Airlie fb = obj_to_fb(obj); 1451f453ba04SDave Airlie } 1452f453ba04SDave Airlie 1453f453ba04SDave Airlie mode = drm_mode_create(dev); 1454f453ba04SDave Airlie drm_crtc_convert_umode(mode, &crtc_req->mode); 1455f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 1456f453ba04SDave Airlie } 1457f453ba04SDave Airlie 1458f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 1459f453ba04SDave Airlie DRM_DEBUG("Count connectors is 0 but mode set\n"); 1460f453ba04SDave Airlie ret = -EINVAL; 1461f453ba04SDave Airlie goto out; 1462f453ba04SDave Airlie } 1463f453ba04SDave Airlie 1464f453ba04SDave Airlie if (crtc_req->count_connectors > 0 && !mode && !fb) { 1465f453ba04SDave Airlie DRM_DEBUG("Count connectors is %d but no mode or fb set\n", 1466f453ba04SDave Airlie crtc_req->count_connectors); 1467f453ba04SDave Airlie ret = -EINVAL; 1468f453ba04SDave Airlie goto out; 1469f453ba04SDave Airlie } 1470f453ba04SDave Airlie 1471f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 1472f453ba04SDave Airlie u32 out_id; 1473f453ba04SDave Airlie 1474f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 1475f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 1476f453ba04SDave Airlie ret = -EINVAL; 1477f453ba04SDave Airlie goto out; 1478f453ba04SDave Airlie } 1479f453ba04SDave Airlie 1480f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 1481f453ba04SDave Airlie sizeof(struct drm_connector *), 1482f453ba04SDave Airlie GFP_KERNEL); 1483f453ba04SDave Airlie if (!connector_set) { 1484f453ba04SDave Airlie ret = -ENOMEM; 1485f453ba04SDave Airlie goto out; 1486f453ba04SDave Airlie } 1487f453ba04SDave Airlie 1488f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 1489f453ba04SDave Airlie set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr; 1490f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 1491f453ba04SDave Airlie ret = -EFAULT; 1492f453ba04SDave Airlie goto out; 1493f453ba04SDave Airlie } 1494f453ba04SDave Airlie 1495f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 1496f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1497f453ba04SDave Airlie if (!obj) { 1498f453ba04SDave Airlie DRM_DEBUG("Connector id %d unknown\n", out_id); 1499f453ba04SDave Airlie ret = -EINVAL; 1500f453ba04SDave Airlie goto out; 1501f453ba04SDave Airlie } 1502f453ba04SDave Airlie connector = obj_to_connector(obj); 1503f453ba04SDave Airlie 1504f453ba04SDave Airlie connector_set[i] = connector; 1505f453ba04SDave Airlie } 1506f453ba04SDave Airlie } 1507f453ba04SDave Airlie 1508f453ba04SDave Airlie set.crtc = crtc; 1509f453ba04SDave Airlie set.x = crtc_req->x; 1510f453ba04SDave Airlie set.y = crtc_req->y; 1511f453ba04SDave Airlie set.mode = mode; 1512f453ba04SDave Airlie set.connectors = connector_set; 1513f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 1514f453ba04SDave Airlie set.fb =fb; 1515f453ba04SDave Airlie ret = crtc->funcs->set_config(&set); 1516f453ba04SDave Airlie 1517f453ba04SDave Airlie out: 1518f453ba04SDave Airlie kfree(connector_set); 1519f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1520f453ba04SDave Airlie return ret; 1521f453ba04SDave Airlie } 1522f453ba04SDave Airlie 1523f453ba04SDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 1524f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1525f453ba04SDave Airlie { 1526f453ba04SDave Airlie struct drm_mode_cursor *req = data; 1527f453ba04SDave Airlie struct drm_mode_object *obj; 1528f453ba04SDave Airlie struct drm_crtc *crtc; 1529f453ba04SDave Airlie int ret = 0; 1530f453ba04SDave Airlie 1531f453ba04SDave Airlie DRM_DEBUG("\n"); 1532f453ba04SDave Airlie 1533f453ba04SDave Airlie if (!req->flags) { 1534f453ba04SDave Airlie DRM_ERROR("no operation set\n"); 1535f453ba04SDave Airlie return -EINVAL; 1536f453ba04SDave Airlie } 1537f453ba04SDave Airlie 1538f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1539e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 1540f453ba04SDave Airlie if (!obj) { 1541e0c8463aSJakob Bornecrantz DRM_DEBUG("Unknown CRTC ID %d\n", req->crtc_id); 1542f453ba04SDave Airlie ret = -EINVAL; 1543f453ba04SDave Airlie goto out; 1544f453ba04SDave Airlie } 1545f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1546f453ba04SDave Airlie 1547f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 1548f453ba04SDave Airlie if (!crtc->funcs->cursor_set) { 1549f453ba04SDave Airlie DRM_ERROR("crtc does not support cursor\n"); 1550f453ba04SDave Airlie ret = -ENXIO; 1551f453ba04SDave Airlie goto out; 1552f453ba04SDave Airlie } 1553f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 1554f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 1555f453ba04SDave Airlie req->width, req->height); 1556f453ba04SDave Airlie } 1557f453ba04SDave Airlie 1558f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 1559f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 1560f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 1561f453ba04SDave Airlie } else { 1562f453ba04SDave Airlie DRM_ERROR("crtc does not support cursor\n"); 1563f453ba04SDave Airlie ret = -EFAULT; 1564f453ba04SDave Airlie goto out; 1565f453ba04SDave Airlie } 1566f453ba04SDave Airlie } 1567f453ba04SDave Airlie out: 1568f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1569f453ba04SDave Airlie return ret; 1570f453ba04SDave Airlie } 1571f453ba04SDave Airlie 1572f453ba04SDave Airlie /** 1573f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 1574f453ba04SDave Airlie * @inode: inode from the ioctl 1575f453ba04SDave Airlie * @filp: file * from the ioctl 1576f453ba04SDave Airlie * @cmd: cmd from ioctl 1577f453ba04SDave Airlie * @arg: arg from ioctl 1578f453ba04SDave Airlie * 1579f453ba04SDave Airlie * LOCKING: 1580f453ba04SDave Airlie * Takes mode config lock. 1581f453ba04SDave Airlie * 1582f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 1583f453ba04SDave Airlie * 1584f453ba04SDave Airlie * Called by the user via ioctl. 1585f453ba04SDave Airlie * 1586f453ba04SDave Airlie * RETURNS: 1587f453ba04SDave Airlie * Zero on success, errno on failure. 1588f453ba04SDave Airlie */ 1589f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 1590f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1591f453ba04SDave Airlie { 1592f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 1593f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1594f453ba04SDave Airlie struct drm_framebuffer *fb; 1595f453ba04SDave Airlie int ret = 0; 1596f453ba04SDave Airlie 1597f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 1598f453ba04SDave Airlie DRM_ERROR("mode new framebuffer width not within limits\n"); 1599f453ba04SDave Airlie return -EINVAL; 1600f453ba04SDave Airlie } 1601f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 1602f453ba04SDave Airlie DRM_ERROR("mode new framebuffer height not within limits\n"); 1603f453ba04SDave Airlie return -EINVAL; 1604f453ba04SDave Airlie } 1605f453ba04SDave Airlie 1606f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1607f453ba04SDave Airlie 1608f453ba04SDave Airlie /* TODO check buffer is sufficently large */ 1609f453ba04SDave Airlie /* TODO setup destructor callback */ 1610f453ba04SDave Airlie 1611f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 1612f453ba04SDave Airlie if (!fb) { 1613f453ba04SDave Airlie DRM_ERROR("could not create framebuffer\n"); 1614f453ba04SDave Airlie ret = -EINVAL; 1615f453ba04SDave Airlie goto out; 1616f453ba04SDave Airlie } 1617f453ba04SDave Airlie 1618e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 1619f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 1620f453ba04SDave Airlie 1621f453ba04SDave Airlie out: 1622f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1623f453ba04SDave Airlie return ret; 1624f453ba04SDave Airlie } 1625f453ba04SDave Airlie 1626f453ba04SDave Airlie /** 1627f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 1628f453ba04SDave Airlie * @inode: inode from the ioctl 1629f453ba04SDave Airlie * @filp: file * from the ioctl 1630f453ba04SDave Airlie * @cmd: cmd from ioctl 1631f453ba04SDave Airlie * @arg: arg from ioctl 1632f453ba04SDave Airlie * 1633f453ba04SDave Airlie * LOCKING: 1634f453ba04SDave Airlie * Takes mode config lock. 1635f453ba04SDave Airlie * 1636f453ba04SDave Airlie * Remove the FB specified by the user. 1637f453ba04SDave Airlie * 1638f453ba04SDave Airlie * Called by the user via ioctl. 1639f453ba04SDave Airlie * 1640f453ba04SDave Airlie * RETURNS: 1641f453ba04SDave Airlie * Zero on success, errno on failure. 1642f453ba04SDave Airlie */ 1643f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 1644f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1645f453ba04SDave Airlie { 1646f453ba04SDave Airlie struct drm_mode_object *obj; 1647f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1648f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 1649f453ba04SDave Airlie uint32_t *id = data; 1650f453ba04SDave Airlie int ret = 0; 1651f453ba04SDave Airlie int found = 0; 1652f453ba04SDave Airlie 1653f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1654f453ba04SDave Airlie obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); 1655f453ba04SDave Airlie /* TODO check that we realy get a framebuffer back. */ 1656f453ba04SDave Airlie if (!obj) { 1657f453ba04SDave Airlie DRM_ERROR("mode invalid framebuffer id\n"); 1658f453ba04SDave Airlie ret = -EINVAL; 1659f453ba04SDave Airlie goto out; 1660f453ba04SDave Airlie } 1661f453ba04SDave Airlie fb = obj_to_fb(obj); 1662f453ba04SDave Airlie 1663f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 1664f453ba04SDave Airlie if (fb == fbl) 1665f453ba04SDave Airlie found = 1; 1666f453ba04SDave Airlie 1667f453ba04SDave Airlie if (!found) { 1668f453ba04SDave Airlie DRM_ERROR("tried to remove a fb that we didn't own\n"); 1669f453ba04SDave Airlie ret = -EINVAL; 1670f453ba04SDave Airlie goto out; 1671f453ba04SDave Airlie } 1672f453ba04SDave Airlie 1673f453ba04SDave Airlie /* TODO release all crtc connected to the framebuffer */ 1674f453ba04SDave Airlie /* TODO unhock the destructor from the buffer object */ 1675f453ba04SDave Airlie 1676f453ba04SDave Airlie list_del(&fb->filp_head); 1677f453ba04SDave Airlie fb->funcs->destroy(fb); 1678f453ba04SDave Airlie 1679f453ba04SDave Airlie out: 1680f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1681f453ba04SDave Airlie return ret; 1682f453ba04SDave Airlie } 1683f453ba04SDave Airlie 1684f453ba04SDave Airlie /** 1685f453ba04SDave Airlie * drm_mode_getfb - get FB info 1686f453ba04SDave Airlie * @inode: inode from the ioctl 1687f453ba04SDave Airlie * @filp: file * from the ioctl 1688f453ba04SDave Airlie * @cmd: cmd from ioctl 1689f453ba04SDave Airlie * @arg: arg from ioctl 1690f453ba04SDave Airlie * 1691f453ba04SDave Airlie * LOCKING: 1692f453ba04SDave Airlie * Caller? (FIXME) 1693f453ba04SDave Airlie * 1694f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 1695f453ba04SDave Airlie * 1696f453ba04SDave Airlie * Called by the user via ioctl. 1697f453ba04SDave Airlie * 1698f453ba04SDave Airlie * RETURNS: 1699f453ba04SDave Airlie * Zero on success, errno on failure. 1700f453ba04SDave Airlie */ 1701f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 1702f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1703f453ba04SDave Airlie { 1704f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 1705f453ba04SDave Airlie struct drm_mode_object *obj; 1706f453ba04SDave Airlie struct drm_framebuffer *fb; 1707f453ba04SDave Airlie int ret = 0; 1708f453ba04SDave Airlie 1709f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1710e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 1711f453ba04SDave Airlie if (!obj) { 1712f453ba04SDave Airlie DRM_ERROR("invalid framebuffer id\n"); 1713f453ba04SDave Airlie ret = -EINVAL; 1714f453ba04SDave Airlie goto out; 1715f453ba04SDave Airlie } 1716f453ba04SDave Airlie fb = obj_to_fb(obj); 1717f453ba04SDave Airlie 1718f453ba04SDave Airlie r->height = fb->height; 1719f453ba04SDave Airlie r->width = fb->width; 1720f453ba04SDave Airlie r->depth = fb->depth; 1721f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 1722f453ba04SDave Airlie r->pitch = fb->pitch; 1723f453ba04SDave Airlie fb->funcs->create_handle(fb, file_priv, &r->handle); 1724f453ba04SDave Airlie 1725f453ba04SDave Airlie out: 1726f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1727f453ba04SDave Airlie return ret; 1728f453ba04SDave Airlie } 1729f453ba04SDave Airlie 1730f453ba04SDave Airlie /** 1731f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 1732f453ba04SDave Airlie * @filp: file * from the ioctl 1733f453ba04SDave Airlie * 1734f453ba04SDave Airlie * LOCKING: 1735f453ba04SDave Airlie * Takes mode config lock. 1736f453ba04SDave Airlie * 1737f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 1738f453ba04SDave Airlie * 1739f453ba04SDave Airlie * Called by the user via ioctl. 1740f453ba04SDave Airlie * 1741f453ba04SDave Airlie * RETURNS: 1742f453ba04SDave Airlie * Zero on success, errno on failure. 1743f453ba04SDave Airlie */ 1744ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 1745f453ba04SDave Airlie { 1746f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 1747f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 1748f453ba04SDave Airlie 1749f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1750f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 1751f453ba04SDave Airlie list_del(&fb->filp_head); 1752f453ba04SDave Airlie fb->funcs->destroy(fb); 1753f453ba04SDave Airlie } 1754f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1755f453ba04SDave Airlie } 1756f453ba04SDave Airlie 1757f453ba04SDave Airlie /** 1758f453ba04SDave Airlie * drm_mode_attachmode - add a mode to the user mode list 1759f453ba04SDave Airlie * @dev: DRM device 1760f453ba04SDave Airlie * @connector: connector to add the mode to 1761f453ba04SDave Airlie * @mode: mode to add 1762f453ba04SDave Airlie * 1763f453ba04SDave Airlie * Add @mode to @connector's user mode list. 1764f453ba04SDave Airlie */ 1765f453ba04SDave Airlie static int drm_mode_attachmode(struct drm_device *dev, 1766f453ba04SDave Airlie struct drm_connector *connector, 1767f453ba04SDave Airlie struct drm_display_mode *mode) 1768f453ba04SDave Airlie { 1769f453ba04SDave Airlie int ret = 0; 1770f453ba04SDave Airlie 1771f453ba04SDave Airlie list_add_tail(&mode->head, &connector->user_modes); 1772f453ba04SDave Airlie return ret; 1773f453ba04SDave Airlie } 1774f453ba04SDave Airlie 1775f453ba04SDave Airlie int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, 1776f453ba04SDave Airlie struct drm_display_mode *mode) 1777f453ba04SDave Airlie { 1778f453ba04SDave Airlie struct drm_connector *connector; 1779f453ba04SDave Airlie int ret = 0; 1780f453ba04SDave Airlie struct drm_display_mode *dup_mode; 1781f453ba04SDave Airlie int need_dup = 0; 1782f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1783f453ba04SDave Airlie if (!connector->encoder) 1784f453ba04SDave Airlie break; 1785f453ba04SDave Airlie if (connector->encoder->crtc == crtc) { 1786f453ba04SDave Airlie if (need_dup) 1787f453ba04SDave Airlie dup_mode = drm_mode_duplicate(dev, mode); 1788f453ba04SDave Airlie else 1789f453ba04SDave Airlie dup_mode = mode; 1790f453ba04SDave Airlie ret = drm_mode_attachmode(dev, connector, dup_mode); 1791f453ba04SDave Airlie if (ret) 1792f453ba04SDave Airlie return ret; 1793f453ba04SDave Airlie need_dup = 1; 1794f453ba04SDave Airlie } 1795f453ba04SDave Airlie } 1796f453ba04SDave Airlie return 0; 1797f453ba04SDave Airlie } 1798f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_attachmode_crtc); 1799f453ba04SDave Airlie 1800f453ba04SDave Airlie static int drm_mode_detachmode(struct drm_device *dev, 1801f453ba04SDave Airlie struct drm_connector *connector, 1802f453ba04SDave Airlie struct drm_display_mode *mode) 1803f453ba04SDave Airlie { 1804f453ba04SDave Airlie int found = 0; 1805f453ba04SDave Airlie int ret = 0; 1806f453ba04SDave Airlie struct drm_display_mode *match_mode, *t; 1807f453ba04SDave Airlie 1808f453ba04SDave Airlie list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { 1809f453ba04SDave Airlie if (drm_mode_equal(match_mode, mode)) { 1810f453ba04SDave Airlie list_del(&match_mode->head); 1811f453ba04SDave Airlie drm_mode_destroy(dev, match_mode); 1812f453ba04SDave Airlie found = 1; 1813f453ba04SDave Airlie break; 1814f453ba04SDave Airlie } 1815f453ba04SDave Airlie } 1816f453ba04SDave Airlie 1817f453ba04SDave Airlie if (!found) 1818f453ba04SDave Airlie ret = -EINVAL; 1819f453ba04SDave Airlie 1820f453ba04SDave Airlie return ret; 1821f453ba04SDave Airlie } 1822f453ba04SDave Airlie 1823f453ba04SDave Airlie int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) 1824f453ba04SDave Airlie { 1825f453ba04SDave Airlie struct drm_connector *connector; 1826f453ba04SDave Airlie 1827f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1828f453ba04SDave Airlie drm_mode_detachmode(dev, connector, mode); 1829f453ba04SDave Airlie } 1830f453ba04SDave Airlie return 0; 1831f453ba04SDave Airlie } 1832f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_detachmode_crtc); 1833f453ba04SDave Airlie 1834f453ba04SDave Airlie /** 1835f453ba04SDave Airlie * drm_fb_attachmode - Attach a user mode to an connector 1836f453ba04SDave Airlie * @inode: inode from the ioctl 1837f453ba04SDave Airlie * @filp: file * from the ioctl 1838f453ba04SDave Airlie * @cmd: cmd from ioctl 1839f453ba04SDave Airlie * @arg: arg from ioctl 1840f453ba04SDave Airlie * 1841f453ba04SDave Airlie * This attaches a user specified mode to an connector. 1842f453ba04SDave Airlie * Called by the user via ioctl. 1843f453ba04SDave Airlie * 1844f453ba04SDave Airlie * RETURNS: 1845f453ba04SDave Airlie * Zero on success, errno on failure. 1846f453ba04SDave Airlie */ 1847f453ba04SDave Airlie int drm_mode_attachmode_ioctl(struct drm_device *dev, 1848f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1849f453ba04SDave Airlie { 1850f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 1851f453ba04SDave Airlie struct drm_connector *connector; 1852f453ba04SDave Airlie struct drm_display_mode *mode; 1853f453ba04SDave Airlie struct drm_mode_object *obj; 1854f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 1855f453ba04SDave Airlie int ret = 0; 1856f453ba04SDave Airlie 1857f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1858f453ba04SDave Airlie 1859f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 1860f453ba04SDave Airlie if (!obj) { 1861f453ba04SDave Airlie ret = -EINVAL; 1862f453ba04SDave Airlie goto out; 1863f453ba04SDave Airlie } 1864f453ba04SDave Airlie connector = obj_to_connector(obj); 1865f453ba04SDave Airlie 1866f453ba04SDave Airlie mode = drm_mode_create(dev); 1867f453ba04SDave Airlie if (!mode) { 1868f453ba04SDave Airlie ret = -ENOMEM; 1869f453ba04SDave Airlie goto out; 1870f453ba04SDave Airlie } 1871f453ba04SDave Airlie 1872f453ba04SDave Airlie drm_crtc_convert_umode(mode, umode); 1873f453ba04SDave Airlie 1874f453ba04SDave Airlie ret = drm_mode_attachmode(dev, connector, mode); 1875f453ba04SDave Airlie out: 1876f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1877f453ba04SDave Airlie return ret; 1878f453ba04SDave Airlie } 1879f453ba04SDave Airlie 1880f453ba04SDave Airlie 1881f453ba04SDave Airlie /** 1882f453ba04SDave Airlie * drm_fb_detachmode - Detach a user specified mode from an connector 1883f453ba04SDave Airlie * @inode: inode from the ioctl 1884f453ba04SDave Airlie * @filp: file * from the ioctl 1885f453ba04SDave Airlie * @cmd: cmd from ioctl 1886f453ba04SDave Airlie * @arg: arg from ioctl 1887f453ba04SDave Airlie * 1888f453ba04SDave Airlie * Called by the user via ioctl. 1889f453ba04SDave Airlie * 1890f453ba04SDave Airlie * RETURNS: 1891f453ba04SDave Airlie * Zero on success, errno on failure. 1892f453ba04SDave Airlie */ 1893f453ba04SDave Airlie int drm_mode_detachmode_ioctl(struct drm_device *dev, 1894f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1895f453ba04SDave Airlie { 1896f453ba04SDave Airlie struct drm_mode_object *obj; 1897f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 1898f453ba04SDave Airlie struct drm_connector *connector; 1899f453ba04SDave Airlie struct drm_display_mode mode; 1900f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 1901f453ba04SDave Airlie int ret = 0; 1902f453ba04SDave Airlie 1903f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1904f453ba04SDave Airlie 1905f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 1906f453ba04SDave Airlie if (!obj) { 1907f453ba04SDave Airlie ret = -EINVAL; 1908f453ba04SDave Airlie goto out; 1909f453ba04SDave Airlie } 1910f453ba04SDave Airlie connector = obj_to_connector(obj); 1911f453ba04SDave Airlie 1912f453ba04SDave Airlie drm_crtc_convert_umode(&mode, umode); 1913f453ba04SDave Airlie ret = drm_mode_detachmode(dev, connector, &mode); 1914f453ba04SDave Airlie out: 1915f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1916f453ba04SDave Airlie return ret; 1917f453ba04SDave Airlie } 1918f453ba04SDave Airlie 1919f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 1920f453ba04SDave Airlie const char *name, int num_values) 1921f453ba04SDave Airlie { 1922f453ba04SDave Airlie struct drm_property *property = NULL; 1923f453ba04SDave Airlie 1924f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 1925f453ba04SDave Airlie if (!property) 1926f453ba04SDave Airlie return NULL; 1927f453ba04SDave Airlie 1928f453ba04SDave Airlie if (num_values) { 1929f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 1930f453ba04SDave Airlie if (!property->values) 1931f453ba04SDave Airlie goto fail; 1932f453ba04SDave Airlie } 1933f453ba04SDave Airlie 1934f453ba04SDave Airlie drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 1935f453ba04SDave Airlie property->flags = flags; 1936f453ba04SDave Airlie property->num_values = num_values; 1937f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 1938f453ba04SDave Airlie 1939f453ba04SDave Airlie if (name) 1940f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 1941f453ba04SDave Airlie 1942f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 1943f453ba04SDave Airlie return property; 1944f453ba04SDave Airlie fail: 1945f453ba04SDave Airlie kfree(property); 1946f453ba04SDave Airlie return NULL; 1947f453ba04SDave Airlie } 1948f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 1949f453ba04SDave Airlie 1950f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 1951f453ba04SDave Airlie uint64_t value, const char *name) 1952f453ba04SDave Airlie { 1953f453ba04SDave Airlie struct drm_property_enum *prop_enum; 1954f453ba04SDave Airlie 1955f453ba04SDave Airlie if (!(property->flags & DRM_MODE_PROP_ENUM)) 1956f453ba04SDave Airlie return -EINVAL; 1957f453ba04SDave Airlie 1958f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 1959f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 1960f453ba04SDave Airlie if (prop_enum->value == value) { 1961f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 1962f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 1963f453ba04SDave Airlie return 0; 1964f453ba04SDave Airlie } 1965f453ba04SDave Airlie } 1966f453ba04SDave Airlie } 1967f453ba04SDave Airlie 1968f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 1969f453ba04SDave Airlie if (!prop_enum) 1970f453ba04SDave Airlie return -ENOMEM; 1971f453ba04SDave Airlie 1972f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 1973f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 1974f453ba04SDave Airlie prop_enum->value = value; 1975f453ba04SDave Airlie 1976f453ba04SDave Airlie property->values[index] = value; 1977f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 1978f453ba04SDave Airlie return 0; 1979f453ba04SDave Airlie } 1980f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 1981f453ba04SDave Airlie 1982f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 1983f453ba04SDave Airlie { 1984f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 1985f453ba04SDave Airlie 1986f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 1987f453ba04SDave Airlie list_del(&prop_enum->head); 1988f453ba04SDave Airlie kfree(prop_enum); 1989f453ba04SDave Airlie } 1990f453ba04SDave Airlie 1991f453ba04SDave Airlie if (property->num_values) 1992f453ba04SDave Airlie kfree(property->values); 1993f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 1994f453ba04SDave Airlie list_del(&property->head); 1995f453ba04SDave Airlie kfree(property); 1996f453ba04SDave Airlie } 1997f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 1998f453ba04SDave Airlie 1999f453ba04SDave Airlie int drm_connector_attach_property(struct drm_connector *connector, 2000f453ba04SDave Airlie struct drm_property *property, uint64_t init_val) 2001f453ba04SDave Airlie { 2002f453ba04SDave Airlie int i; 2003f453ba04SDave Airlie 2004f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2005f453ba04SDave Airlie if (connector->property_ids[i] == 0) { 2006f453ba04SDave Airlie connector->property_ids[i] = property->base.id; 2007f453ba04SDave Airlie connector->property_values[i] = init_val; 2008f453ba04SDave Airlie break; 2009f453ba04SDave Airlie } 2010f453ba04SDave Airlie } 2011f453ba04SDave Airlie 2012f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2013f453ba04SDave Airlie return -EINVAL; 2014f453ba04SDave Airlie return 0; 2015f453ba04SDave Airlie } 2016f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_attach_property); 2017f453ba04SDave Airlie 2018f453ba04SDave Airlie int drm_connector_property_set_value(struct drm_connector *connector, 2019f453ba04SDave Airlie struct drm_property *property, uint64_t value) 2020f453ba04SDave Airlie { 2021f453ba04SDave Airlie int i; 2022f453ba04SDave Airlie 2023f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2024f453ba04SDave Airlie if (connector->property_ids[i] == property->base.id) { 2025f453ba04SDave Airlie connector->property_values[i] = value; 2026f453ba04SDave Airlie break; 2027f453ba04SDave Airlie } 2028f453ba04SDave Airlie } 2029f453ba04SDave Airlie 2030f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2031f453ba04SDave Airlie return -EINVAL; 2032f453ba04SDave Airlie return 0; 2033f453ba04SDave Airlie } 2034f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_property_set_value); 2035f453ba04SDave Airlie 2036f453ba04SDave Airlie int drm_connector_property_get_value(struct drm_connector *connector, 2037f453ba04SDave Airlie struct drm_property *property, uint64_t *val) 2038f453ba04SDave Airlie { 2039f453ba04SDave Airlie int i; 2040f453ba04SDave Airlie 2041f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2042f453ba04SDave Airlie if (connector->property_ids[i] == property->base.id) { 2043f453ba04SDave Airlie *val = connector->property_values[i]; 2044f453ba04SDave Airlie break; 2045f453ba04SDave Airlie } 2046f453ba04SDave Airlie } 2047f453ba04SDave Airlie 2048f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2049f453ba04SDave Airlie return -EINVAL; 2050f453ba04SDave Airlie return 0; 2051f453ba04SDave Airlie } 2052f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_property_get_value); 2053f453ba04SDave Airlie 2054f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 2055f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2056f453ba04SDave Airlie { 2057f453ba04SDave Airlie struct drm_mode_object *obj; 2058f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 2059f453ba04SDave Airlie struct drm_property *property; 2060f453ba04SDave Airlie int enum_count = 0; 2061f453ba04SDave Airlie int blob_count = 0; 2062f453ba04SDave Airlie int value_count = 0; 2063f453ba04SDave Airlie int ret = 0, i; 2064f453ba04SDave Airlie int copied; 2065f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2066f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 2067f453ba04SDave Airlie struct drm_property_blob *prop_blob; 2068f453ba04SDave Airlie uint32_t *blob_id_ptr; 2069f453ba04SDave Airlie uint64_t __user *values_ptr; 2070f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 2071f453ba04SDave Airlie 2072f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2073f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2074f453ba04SDave Airlie if (!obj) { 2075f453ba04SDave Airlie ret = -EINVAL; 2076f453ba04SDave Airlie goto done; 2077f453ba04SDave Airlie } 2078f453ba04SDave Airlie property = obj_to_property(obj); 2079f453ba04SDave Airlie 2080f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_ENUM) { 2081f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2082f453ba04SDave Airlie enum_count++; 2083f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 2084f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2085f453ba04SDave Airlie blob_count++; 2086f453ba04SDave Airlie } 2087f453ba04SDave Airlie 2088f453ba04SDave Airlie value_count = property->num_values; 2089f453ba04SDave Airlie 2090f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2091f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2092f453ba04SDave Airlie out_resp->flags = property->flags; 2093f453ba04SDave Airlie 2094f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 2095f453ba04SDave Airlie values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr; 2096f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 2097f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 2098f453ba04SDave Airlie ret = -EFAULT; 2099f453ba04SDave Airlie goto done; 2100f453ba04SDave Airlie } 2101f453ba04SDave Airlie } 2102f453ba04SDave Airlie } 2103f453ba04SDave Airlie out_resp->count_values = value_count; 2104f453ba04SDave Airlie 2105f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_ENUM) { 2106f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 2107f453ba04SDave Airlie copied = 0; 2108f453ba04SDave Airlie enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr; 2109f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2110f453ba04SDave Airlie 2111f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 2112f453ba04SDave Airlie ret = -EFAULT; 2113f453ba04SDave Airlie goto done; 2114f453ba04SDave Airlie } 2115f453ba04SDave Airlie 2116f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 2117f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 2118f453ba04SDave Airlie ret = -EFAULT; 2119f453ba04SDave Airlie goto done; 2120f453ba04SDave Airlie } 2121f453ba04SDave Airlie copied++; 2122f453ba04SDave Airlie } 2123f453ba04SDave Airlie } 2124f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 2125f453ba04SDave Airlie } 2126f453ba04SDave Airlie 2127f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 2128f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 2129f453ba04SDave Airlie copied = 0; 2130f453ba04SDave Airlie blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr; 2131f453ba04SDave Airlie blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr; 2132f453ba04SDave Airlie 2133f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 2134f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 2135f453ba04SDave Airlie ret = -EFAULT; 2136f453ba04SDave Airlie goto done; 2137f453ba04SDave Airlie } 2138f453ba04SDave Airlie 2139f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 2140f453ba04SDave Airlie ret = -EFAULT; 2141f453ba04SDave Airlie goto done; 2142f453ba04SDave Airlie } 2143f453ba04SDave Airlie 2144f453ba04SDave Airlie copied++; 2145f453ba04SDave Airlie } 2146f453ba04SDave Airlie } 2147f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 2148f453ba04SDave Airlie } 2149f453ba04SDave Airlie done: 2150f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2151f453ba04SDave Airlie return ret; 2152f453ba04SDave Airlie } 2153f453ba04SDave Airlie 2154f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 2155f453ba04SDave Airlie void *data) 2156f453ba04SDave Airlie { 2157f453ba04SDave Airlie struct drm_property_blob *blob; 2158f453ba04SDave Airlie 2159f453ba04SDave Airlie if (!length || !data) 2160f453ba04SDave Airlie return NULL; 2161f453ba04SDave Airlie 2162f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 2163f453ba04SDave Airlie if (!blob) 2164f453ba04SDave Airlie return NULL; 2165f453ba04SDave Airlie 2166f453ba04SDave Airlie blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); 2167f453ba04SDave Airlie blob->length = length; 2168f453ba04SDave Airlie 2169f453ba04SDave Airlie memcpy(blob->data, data, length); 2170f453ba04SDave Airlie 2171f453ba04SDave Airlie drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 2172f453ba04SDave Airlie 2173f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 2174f453ba04SDave Airlie return blob; 2175f453ba04SDave Airlie } 2176f453ba04SDave Airlie 2177f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 2178f453ba04SDave Airlie struct drm_property_blob *blob) 2179f453ba04SDave Airlie { 2180f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 2181f453ba04SDave Airlie list_del(&blob->head); 2182f453ba04SDave Airlie kfree(blob); 2183f453ba04SDave Airlie } 2184f453ba04SDave Airlie 2185f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 2186f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2187f453ba04SDave Airlie { 2188f453ba04SDave Airlie struct drm_mode_object *obj; 2189f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 2190f453ba04SDave Airlie struct drm_property_blob *blob; 2191f453ba04SDave Airlie int ret = 0; 2192f453ba04SDave Airlie void *blob_ptr; 2193f453ba04SDave Airlie 2194f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2195f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 2196f453ba04SDave Airlie if (!obj) { 2197f453ba04SDave Airlie ret = -EINVAL; 2198f453ba04SDave Airlie goto done; 2199f453ba04SDave Airlie } 2200f453ba04SDave Airlie blob = obj_to_blob(obj); 2201f453ba04SDave Airlie 2202f453ba04SDave Airlie if (out_resp->length == blob->length) { 2203f453ba04SDave Airlie blob_ptr = (void *)(unsigned long)out_resp->data; 2204f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 2205f453ba04SDave Airlie ret = -EFAULT; 2206f453ba04SDave Airlie goto done; 2207f453ba04SDave Airlie } 2208f453ba04SDave Airlie } 2209f453ba04SDave Airlie out_resp->length = blob->length; 2210f453ba04SDave Airlie 2211f453ba04SDave Airlie done: 2212f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2213f453ba04SDave Airlie return ret; 2214f453ba04SDave Airlie } 2215f453ba04SDave Airlie 2216f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 2217f453ba04SDave Airlie struct edid *edid) 2218f453ba04SDave Airlie { 2219f453ba04SDave Airlie struct drm_device *dev = connector->dev; 2220f453ba04SDave Airlie int ret = 0; 2221f453ba04SDave Airlie 2222f453ba04SDave Airlie if (connector->edid_blob_ptr) 2223f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 2224f453ba04SDave Airlie 2225f453ba04SDave Airlie /* Delete edid, when there is none. */ 2226f453ba04SDave Airlie if (!edid) { 2227f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 2228f453ba04SDave Airlie ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); 2229f453ba04SDave Airlie return ret; 2230f453ba04SDave Airlie } 2231f453ba04SDave Airlie 2232f453ba04SDave Airlie connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 128, edid); 2233f453ba04SDave Airlie 2234f453ba04SDave Airlie ret = drm_connector_property_set_value(connector, 2235f453ba04SDave Airlie dev->mode_config.edid_property, 2236f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 2237f453ba04SDave Airlie 2238f453ba04SDave Airlie return ret; 2239f453ba04SDave Airlie } 2240f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 2241f453ba04SDave Airlie 2242f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 2243f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2244f453ba04SDave Airlie { 2245f453ba04SDave Airlie struct drm_mode_connector_set_property *out_resp = data; 2246f453ba04SDave Airlie struct drm_mode_object *obj; 2247f453ba04SDave Airlie struct drm_property *property; 2248f453ba04SDave Airlie struct drm_connector *connector; 2249f453ba04SDave Airlie int ret = -EINVAL; 2250f453ba04SDave Airlie int i; 2251f453ba04SDave Airlie 2252f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2253f453ba04SDave Airlie 2254f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2255f453ba04SDave Airlie if (!obj) { 2256f453ba04SDave Airlie goto out; 2257f453ba04SDave Airlie } 2258f453ba04SDave Airlie connector = obj_to_connector(obj); 2259f453ba04SDave Airlie 2260f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2261f453ba04SDave Airlie if (connector->property_ids[i] == out_resp->prop_id) 2262f453ba04SDave Airlie break; 2263f453ba04SDave Airlie } 2264f453ba04SDave Airlie 2265f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) { 2266f453ba04SDave Airlie goto out; 2267f453ba04SDave Airlie } 2268f453ba04SDave Airlie 2269f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2270f453ba04SDave Airlie if (!obj) { 2271f453ba04SDave Airlie goto out; 2272f453ba04SDave Airlie } 2273f453ba04SDave Airlie property = obj_to_property(obj); 2274f453ba04SDave Airlie 2275f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_IMMUTABLE) 2276f453ba04SDave Airlie goto out; 2277f453ba04SDave Airlie 2278f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_RANGE) { 2279f453ba04SDave Airlie if (out_resp->value < property->values[0]) 2280f453ba04SDave Airlie goto out; 2281f453ba04SDave Airlie 2282f453ba04SDave Airlie if (out_resp->value > property->values[1]) 2283f453ba04SDave Airlie goto out; 2284f453ba04SDave Airlie } else { 2285f453ba04SDave Airlie int found = 0; 2286f453ba04SDave Airlie for (i = 0; i < property->num_values; i++) { 2287f453ba04SDave Airlie if (property->values[i] == out_resp->value) { 2288f453ba04SDave Airlie found = 1; 2289f453ba04SDave Airlie break; 2290f453ba04SDave Airlie } 2291f453ba04SDave Airlie } 2292f453ba04SDave Airlie if (!found) { 2293f453ba04SDave Airlie goto out; 2294f453ba04SDave Airlie } 2295f453ba04SDave Airlie } 2296f453ba04SDave Airlie 2297c9fb15f6SKeith Packard /* Do DPMS ourselves */ 2298c9fb15f6SKeith Packard if (property == connector->dev->mode_config.dpms_property) { 2299c9fb15f6SKeith Packard if (connector->funcs->dpms) 2300c9fb15f6SKeith Packard (*connector->funcs->dpms)(connector, (int) out_resp->value); 2301c9fb15f6SKeith Packard ret = 0; 2302c9fb15f6SKeith Packard } else if (connector->funcs->set_property) 2303f453ba04SDave Airlie ret = connector->funcs->set_property(connector, property, out_resp->value); 2304f453ba04SDave Airlie 2305f453ba04SDave Airlie /* store the property value if succesful */ 2306f453ba04SDave Airlie if (!ret) 2307f453ba04SDave Airlie drm_connector_property_set_value(connector, property, out_resp->value); 2308f453ba04SDave Airlie out: 2309f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2310f453ba04SDave Airlie return ret; 2311f453ba04SDave Airlie } 2312f453ba04SDave Airlie 2313f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 2314f453ba04SDave Airlie struct drm_encoder *encoder) 2315f453ba04SDave Airlie { 2316f453ba04SDave Airlie int i; 2317f453ba04SDave Airlie 2318f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2319f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 2320f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 2321f453ba04SDave Airlie return 0; 2322f453ba04SDave Airlie } 2323f453ba04SDave Airlie } 2324f453ba04SDave Airlie return -ENOMEM; 2325f453ba04SDave Airlie } 2326f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 2327f453ba04SDave Airlie 2328f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 2329f453ba04SDave Airlie struct drm_encoder *encoder) 2330f453ba04SDave Airlie { 2331f453ba04SDave Airlie int i; 2332f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2333f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 2334f453ba04SDave Airlie connector->encoder_ids[i] = 0; 2335f453ba04SDave Airlie if (connector->encoder == encoder) 2336f453ba04SDave Airlie connector->encoder = NULL; 2337f453ba04SDave Airlie break; 2338f453ba04SDave Airlie } 2339f453ba04SDave Airlie } 2340f453ba04SDave Airlie } 2341f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 2342f453ba04SDave Airlie 2343f453ba04SDave Airlie bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 2344f453ba04SDave Airlie int gamma_size) 2345f453ba04SDave Airlie { 2346f453ba04SDave Airlie crtc->gamma_size = gamma_size; 2347f453ba04SDave Airlie 2348f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 2349f453ba04SDave Airlie if (!crtc->gamma_store) { 2350f453ba04SDave Airlie crtc->gamma_size = 0; 2351f453ba04SDave Airlie return false; 2352f453ba04SDave Airlie } 2353f453ba04SDave Airlie 2354f453ba04SDave Airlie return true; 2355f453ba04SDave Airlie } 2356f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 2357f453ba04SDave Airlie 2358f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 2359f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2360f453ba04SDave Airlie { 2361f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 2362f453ba04SDave Airlie struct drm_mode_object *obj; 2363f453ba04SDave Airlie struct drm_crtc *crtc; 2364f453ba04SDave Airlie void *r_base, *g_base, *b_base; 2365f453ba04SDave Airlie int size; 2366f453ba04SDave Airlie int ret = 0; 2367f453ba04SDave Airlie 2368f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2369f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 2370f453ba04SDave Airlie if (!obj) { 2371f453ba04SDave Airlie ret = -EINVAL; 2372f453ba04SDave Airlie goto out; 2373f453ba04SDave Airlie } 2374f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2375f453ba04SDave Airlie 2376f453ba04SDave Airlie /* memcpy into gamma store */ 2377f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 2378f453ba04SDave Airlie ret = -EINVAL; 2379f453ba04SDave Airlie goto out; 2380f453ba04SDave Airlie } 2381f453ba04SDave Airlie 2382f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 2383f453ba04SDave Airlie r_base = crtc->gamma_store; 2384f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 2385f453ba04SDave Airlie ret = -EFAULT; 2386f453ba04SDave Airlie goto out; 2387f453ba04SDave Airlie } 2388f453ba04SDave Airlie 2389f453ba04SDave Airlie g_base = r_base + size; 2390f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 2391f453ba04SDave Airlie ret = -EFAULT; 2392f453ba04SDave Airlie goto out; 2393f453ba04SDave Airlie } 2394f453ba04SDave Airlie 2395f453ba04SDave Airlie b_base = g_base + size; 2396f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 2397f453ba04SDave Airlie ret = -EFAULT; 2398f453ba04SDave Airlie goto out; 2399f453ba04SDave Airlie } 2400f453ba04SDave Airlie 2401f453ba04SDave Airlie crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size); 2402f453ba04SDave Airlie 2403f453ba04SDave Airlie out: 2404f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2405f453ba04SDave Airlie return ret; 2406f453ba04SDave Airlie 2407f453ba04SDave Airlie } 2408f453ba04SDave Airlie 2409f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 2410f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2411f453ba04SDave Airlie { 2412f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 2413f453ba04SDave Airlie struct drm_mode_object *obj; 2414f453ba04SDave Airlie struct drm_crtc *crtc; 2415f453ba04SDave Airlie void *r_base, *g_base, *b_base; 2416f453ba04SDave Airlie int size; 2417f453ba04SDave Airlie int ret = 0; 2418f453ba04SDave Airlie 2419f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2420f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 2421f453ba04SDave Airlie if (!obj) { 2422f453ba04SDave Airlie ret = -EINVAL; 2423f453ba04SDave Airlie goto out; 2424f453ba04SDave Airlie } 2425f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2426f453ba04SDave Airlie 2427f453ba04SDave Airlie /* memcpy into gamma store */ 2428f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 2429f453ba04SDave Airlie ret = -EINVAL; 2430f453ba04SDave Airlie goto out; 2431f453ba04SDave Airlie } 2432f453ba04SDave Airlie 2433f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 2434f453ba04SDave Airlie r_base = crtc->gamma_store; 2435f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 2436f453ba04SDave Airlie ret = -EFAULT; 2437f453ba04SDave Airlie goto out; 2438f453ba04SDave Airlie } 2439f453ba04SDave Airlie 2440f453ba04SDave Airlie g_base = r_base + size; 2441f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 2442f453ba04SDave Airlie ret = -EFAULT; 2443f453ba04SDave Airlie goto out; 2444f453ba04SDave Airlie } 2445f453ba04SDave Airlie 2446f453ba04SDave Airlie b_base = g_base + size; 2447f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 2448f453ba04SDave Airlie ret = -EFAULT; 2449f453ba04SDave Airlie goto out; 2450f453ba04SDave Airlie } 2451f453ba04SDave Airlie out: 2452f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2453f453ba04SDave Airlie return ret; 2454f453ba04SDave Airlie } 2455