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 { 7153bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 7253bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 7353bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 7453bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full 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 */ 111aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 112f453ba04SDave Airlie }; 113f453ba04SDave Airlie 114f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 115f453ba04SDave Airlie 116f453ba04SDave Airlie static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 117f453ba04SDave Airlie { 118f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 119f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 120f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 121f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 122aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 123f453ba04SDave Airlie }; 124f453ba04SDave Airlie 125f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 126f453ba04SDave Airlie drm_tv_subconnector_enum_list) 127f453ba04SDave Airlie 128f453ba04SDave Airlie struct drm_conn_prop_enum_list { 129f453ba04SDave Airlie int type; 130f453ba04SDave Airlie char *name; 131f453ba04SDave Airlie int count; 132f453ba04SDave Airlie }; 133f453ba04SDave Airlie 134f453ba04SDave Airlie /* 135f453ba04SDave Airlie * Connector and encoder types. 136f453ba04SDave Airlie */ 137f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 138f453ba04SDave Airlie { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, 139f453ba04SDave Airlie { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, 140f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, 141f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, 142f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, 143f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, 144f453ba04SDave Airlie { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, 145f453ba04SDave Airlie { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, 146f453ba04SDave Airlie { DRM_MODE_CONNECTOR_Component, "Component", 0 }, 147f453ba04SDave Airlie { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 }, 148f453ba04SDave Airlie { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 }, 149f453ba04SDave Airlie { DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 }, 150f453ba04SDave Airlie { DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 }, 15174bd3c26SFrancisco Jerez { DRM_MODE_CONNECTOR_TV, "TV", 0 }, 152f453ba04SDave Airlie }; 153f453ba04SDave Airlie 154f453ba04SDave Airlie static struct drm_prop_enum_list drm_encoder_enum_list[] = 155f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 156f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 157f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 158f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 159f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 160f453ba04SDave Airlie }; 161f453ba04SDave Airlie 162f453ba04SDave Airlie char *drm_get_encoder_name(struct drm_encoder *encoder) 163f453ba04SDave Airlie { 164f453ba04SDave Airlie static char buf[32]; 165f453ba04SDave Airlie 166f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 167f453ba04SDave Airlie drm_encoder_enum_list[encoder->encoder_type].name, 168f453ba04SDave Airlie encoder->base.id); 169f453ba04SDave Airlie return buf; 170f453ba04SDave Airlie } 17113a8195bSDave Airlie EXPORT_SYMBOL(drm_get_encoder_name); 172f453ba04SDave Airlie 173f453ba04SDave Airlie char *drm_get_connector_name(struct drm_connector *connector) 174f453ba04SDave Airlie { 175f453ba04SDave Airlie static char buf[32]; 176f453ba04SDave Airlie 177f453ba04SDave Airlie snprintf(buf, 32, "%s-%d", 178f453ba04SDave Airlie drm_connector_enum_list[connector->connector_type].name, 179f453ba04SDave Airlie connector->connector_type_id); 180f453ba04SDave Airlie return buf; 181f453ba04SDave Airlie } 182f453ba04SDave Airlie EXPORT_SYMBOL(drm_get_connector_name); 183f453ba04SDave Airlie 184f453ba04SDave Airlie char *drm_get_connector_status_name(enum drm_connector_status status) 185f453ba04SDave Airlie { 186f453ba04SDave Airlie if (status == connector_status_connected) 187f453ba04SDave Airlie return "connected"; 188f453ba04SDave Airlie else if (status == connector_status_disconnected) 189f453ba04SDave Airlie return "disconnected"; 190f453ba04SDave Airlie else 191f453ba04SDave Airlie return "unknown"; 192f453ba04SDave Airlie } 193f453ba04SDave Airlie 194f453ba04SDave Airlie /** 195f453ba04SDave Airlie * drm_mode_object_get - allocate a new identifier 196f453ba04SDave Airlie * @dev: DRM device 197f453ba04SDave Airlie * @ptr: object pointer, used to generate unique ID 198f453ba04SDave Airlie * @type: object type 199f453ba04SDave Airlie * 200f453ba04SDave Airlie * LOCKING: 201f453ba04SDave Airlie * 202f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 203f453ba04SDave Airlie * for tracking modes, CRTCs and connectors. 204f453ba04SDave Airlie * 205f453ba04SDave Airlie * RETURNS: 206f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 207f453ba04SDave Airlie * object. 208f453ba04SDave Airlie */ 209f453ba04SDave Airlie static int drm_mode_object_get(struct drm_device *dev, 210f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 211f453ba04SDave Airlie { 212f453ba04SDave Airlie int new_id = 0; 213f453ba04SDave Airlie int ret; 214f453ba04SDave Airlie 215f453ba04SDave Airlie again: 216f453ba04SDave Airlie if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { 217f453ba04SDave Airlie DRM_ERROR("Ran out memory getting a mode number\n"); 218f453ba04SDave Airlie return -EINVAL; 219f453ba04SDave Airlie } 220f453ba04SDave Airlie 221ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 222f453ba04SDave Airlie ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); 223ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 224f453ba04SDave Airlie if (ret == -EAGAIN) 225f453ba04SDave Airlie goto again; 226f453ba04SDave Airlie 227f453ba04SDave Airlie obj->id = new_id; 228f453ba04SDave Airlie obj->type = obj_type; 229f453ba04SDave Airlie return 0; 230f453ba04SDave Airlie } 231f453ba04SDave Airlie 232f453ba04SDave Airlie /** 233f453ba04SDave Airlie * drm_mode_object_put - free an identifer 234f453ba04SDave Airlie * @dev: DRM device 235f453ba04SDave Airlie * @id: ID to free 236f453ba04SDave Airlie * 237f453ba04SDave Airlie * LOCKING: 238f453ba04SDave Airlie * Caller must hold DRM mode_config lock. 239f453ba04SDave Airlie * 240f453ba04SDave Airlie * Free @id from @dev's unique identifier pool. 241f453ba04SDave Airlie */ 242f453ba04SDave Airlie static void drm_mode_object_put(struct drm_device *dev, 243f453ba04SDave Airlie struct drm_mode_object *object) 244f453ba04SDave Airlie { 245ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 246f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 247ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 248f453ba04SDave Airlie } 249f453ba04SDave Airlie 250f453ba04SDave Airlie void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type) 251f453ba04SDave Airlie { 252ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 253f453ba04SDave Airlie 254ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 255f453ba04SDave Airlie obj = idr_find(&dev->mode_config.crtc_idr, id); 256f453ba04SDave Airlie if (!obj || (obj->type != type) || (obj->id != id)) 257ad2563c2SJesse Barnes obj = NULL; 258ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 259f453ba04SDave Airlie 260f453ba04SDave Airlie return obj; 261f453ba04SDave Airlie } 262f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 263f453ba04SDave Airlie 264f453ba04SDave Airlie /** 265f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 266f453ba04SDave Airlie * @dev: DRM device 267f453ba04SDave Airlie * 268f453ba04SDave Airlie * LOCKING: 269f453ba04SDave Airlie * Caller must hold mode config lock. 270f453ba04SDave Airlie * 271f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 272f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 273f453ba04SDave Airlie * 274f453ba04SDave Airlie * RETURNS: 275f453ba04SDave Airlie * Zero on success, error code on falure. 276f453ba04SDave Airlie */ 277f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 278f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 279f453ba04SDave Airlie { 280f453ba04SDave Airlie int ret; 281f453ba04SDave Airlie 282f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 283f453ba04SDave Airlie if (ret) { 284f453ba04SDave Airlie return ret; 285f453ba04SDave Airlie } 286f453ba04SDave Airlie 287f453ba04SDave Airlie fb->dev = dev; 288f453ba04SDave Airlie fb->funcs = funcs; 289f453ba04SDave Airlie dev->mode_config.num_fb++; 290f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 291f453ba04SDave Airlie 292f453ba04SDave Airlie return 0; 293f453ba04SDave Airlie } 294f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 295f453ba04SDave Airlie 296f453ba04SDave Airlie /** 297f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 298f453ba04SDave Airlie * @fb: framebuffer to remove 299f453ba04SDave Airlie * 300f453ba04SDave Airlie * LOCKING: 301f453ba04SDave Airlie * Caller must hold mode config lock. 302f453ba04SDave Airlie * 303f453ba04SDave Airlie * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes 304f453ba04SDave Airlie * it, setting it to NULL. 305f453ba04SDave Airlie */ 306f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 307f453ba04SDave Airlie { 308f453ba04SDave Airlie struct drm_device *dev = fb->dev; 309f453ba04SDave Airlie struct drm_crtc *crtc; 3105ef5f72fSDave Airlie struct drm_mode_set set; 3115ef5f72fSDave Airlie int ret; 312f453ba04SDave Airlie 313f453ba04SDave Airlie /* remove from any CRTC */ 314f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 3155ef5f72fSDave Airlie if (crtc->fb == fb) { 3165ef5f72fSDave Airlie /* should turn off the crtc */ 3175ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 3185ef5f72fSDave Airlie set.crtc = crtc; 3195ef5f72fSDave Airlie set.fb = NULL; 3205ef5f72fSDave Airlie ret = crtc->funcs->set_config(&set); 3215ef5f72fSDave Airlie if (ret) 3225ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 3235ef5f72fSDave Airlie } 324f453ba04SDave Airlie } 325f453ba04SDave Airlie 326f453ba04SDave Airlie drm_mode_object_put(dev, &fb->base); 327f453ba04SDave Airlie list_del(&fb->head); 328f453ba04SDave Airlie dev->mode_config.num_fb--; 329f453ba04SDave Airlie } 330f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_cleanup); 331f453ba04SDave Airlie 332f453ba04SDave Airlie /** 333f453ba04SDave Airlie * drm_crtc_init - Initialise a new CRTC object 334f453ba04SDave Airlie * @dev: DRM device 335f453ba04SDave Airlie * @crtc: CRTC object to init 336f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 337f453ba04SDave Airlie * 338f453ba04SDave Airlie * LOCKING: 339f453ba04SDave Airlie * Caller must hold mode config lock. 340f453ba04SDave Airlie * 341f453ba04SDave Airlie * Inits a new object created as base part of an driver crtc object. 342f453ba04SDave Airlie */ 343f453ba04SDave Airlie void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 344f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 345f453ba04SDave Airlie { 346f453ba04SDave Airlie crtc->dev = dev; 347f453ba04SDave Airlie crtc->funcs = funcs; 348f453ba04SDave Airlie 349f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 350f453ba04SDave Airlie drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 351f453ba04SDave Airlie 352f453ba04SDave Airlie list_add_tail(&crtc->head, &dev->mode_config.crtc_list); 353f453ba04SDave Airlie dev->mode_config.num_crtc++; 354f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 355f453ba04SDave Airlie } 356f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_init); 357f453ba04SDave Airlie 358f453ba04SDave Airlie /** 359f453ba04SDave Airlie * drm_crtc_cleanup - Cleans up the core crtc usage. 360f453ba04SDave Airlie * @crtc: CRTC to cleanup 361f453ba04SDave Airlie * 362f453ba04SDave Airlie * LOCKING: 363f453ba04SDave Airlie * Caller must hold mode config lock. 364f453ba04SDave Airlie * 365f453ba04SDave Airlie * Cleanup @crtc. Removes from drm modesetting space 366f453ba04SDave Airlie * does NOT free object, caller does that. 367f453ba04SDave Airlie */ 368f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 369f453ba04SDave Airlie { 370f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 371f453ba04SDave Airlie 372f453ba04SDave Airlie if (crtc->gamma_store) { 373f453ba04SDave Airlie kfree(crtc->gamma_store); 374f453ba04SDave Airlie crtc->gamma_store = NULL; 375f453ba04SDave Airlie } 376f453ba04SDave Airlie 377f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 378f453ba04SDave Airlie list_del(&crtc->head); 379f453ba04SDave Airlie dev->mode_config.num_crtc--; 380f453ba04SDave Airlie } 381f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 382f453ba04SDave Airlie 383f453ba04SDave Airlie /** 384f453ba04SDave Airlie * drm_mode_probed_add - add a mode to a connector's probed mode list 385f453ba04SDave Airlie * @connector: connector the new mode 386f453ba04SDave Airlie * @mode: mode data 387f453ba04SDave Airlie * 388f453ba04SDave Airlie * LOCKING: 389f453ba04SDave Airlie * Caller must hold mode config lock. 390f453ba04SDave Airlie * 391f453ba04SDave Airlie * Add @mode to @connector's mode list for later use. 392f453ba04SDave Airlie */ 393f453ba04SDave Airlie void drm_mode_probed_add(struct drm_connector *connector, 394f453ba04SDave Airlie struct drm_display_mode *mode) 395f453ba04SDave Airlie { 396f453ba04SDave Airlie list_add(&mode->head, &connector->probed_modes); 397f453ba04SDave Airlie } 398f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_probed_add); 399f453ba04SDave Airlie 400f453ba04SDave Airlie /** 401f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 402f453ba04SDave Airlie * @connector: connector list to modify 403f453ba04SDave Airlie * @mode: mode to remove 404f453ba04SDave Airlie * 405f453ba04SDave Airlie * LOCKING: 406f453ba04SDave Airlie * Caller must hold mode config lock. 407f453ba04SDave Airlie * 408f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 409f453ba04SDave Airlie */ 410f453ba04SDave Airlie void drm_mode_remove(struct drm_connector *connector, 411f453ba04SDave Airlie struct drm_display_mode *mode) 412f453ba04SDave Airlie { 413f453ba04SDave Airlie list_del(&mode->head); 414f453ba04SDave Airlie kfree(mode); 415f453ba04SDave Airlie } 416f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_remove); 417f453ba04SDave Airlie 418f453ba04SDave Airlie /** 419f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 420f453ba04SDave Airlie * @dev: DRM device 421f453ba04SDave Airlie * @connector: the connector to init 422f453ba04SDave Airlie * @funcs: callbacks for this connector 423f453ba04SDave Airlie * @name: user visible name of the connector 424f453ba04SDave Airlie * 425f453ba04SDave Airlie * LOCKING: 426f453ba04SDave Airlie * Caller must hold @dev's mode_config lock. 427f453ba04SDave Airlie * 428f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 429f453ba04SDave Airlie * subclassed as part of driver connector objects. 430f453ba04SDave Airlie */ 431f453ba04SDave Airlie void drm_connector_init(struct drm_device *dev, 432f453ba04SDave Airlie struct drm_connector *connector, 433f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 434f453ba04SDave Airlie int connector_type) 435f453ba04SDave Airlie { 436f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 437f453ba04SDave Airlie 438f453ba04SDave Airlie connector->dev = dev; 439f453ba04SDave Airlie connector->funcs = funcs; 440f453ba04SDave Airlie drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); 441f453ba04SDave Airlie connector->connector_type = connector_type; 442f453ba04SDave Airlie connector->connector_type_id = 443f453ba04SDave Airlie ++drm_connector_enum_list[connector_type].count; /* TODO */ 444f453ba04SDave Airlie INIT_LIST_HEAD(&connector->user_modes); 445f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 446f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 447f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 448f453ba04SDave Airlie 449f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 450f453ba04SDave Airlie dev->mode_config.num_connector++; 451f453ba04SDave Airlie 452f453ba04SDave Airlie drm_connector_attach_property(connector, 453f453ba04SDave Airlie dev->mode_config.edid_property, 0); 454f453ba04SDave Airlie 455f453ba04SDave Airlie drm_connector_attach_property(connector, 456f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 457f453ba04SDave Airlie 458f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 459f453ba04SDave Airlie } 460f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 461f453ba04SDave Airlie 462f453ba04SDave Airlie /** 463f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 464f453ba04SDave Airlie * @connector: connector to cleanup 465f453ba04SDave Airlie * 466f453ba04SDave Airlie * LOCKING: 467f453ba04SDave Airlie * Caller must hold @dev's mode_config lock. 468f453ba04SDave Airlie * 469f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 470f453ba04SDave Airlie */ 471f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 472f453ba04SDave Airlie { 473f453ba04SDave Airlie struct drm_device *dev = connector->dev; 474f453ba04SDave Airlie struct drm_display_mode *mode, *t; 475f453ba04SDave Airlie 476f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 477f453ba04SDave Airlie drm_mode_remove(connector, mode); 478f453ba04SDave Airlie 479f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 480f453ba04SDave Airlie drm_mode_remove(connector, mode); 481f453ba04SDave Airlie 482f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->user_modes, head) 483f453ba04SDave Airlie drm_mode_remove(connector, mode); 484f453ba04SDave Airlie 485f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 486f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 487f453ba04SDave Airlie list_del(&connector->head); 488f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 489f453ba04SDave Airlie } 490f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 491f453ba04SDave Airlie 492f453ba04SDave Airlie void drm_encoder_init(struct drm_device *dev, 493f453ba04SDave Airlie struct drm_encoder *encoder, 494f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 495f453ba04SDave Airlie int encoder_type) 496f453ba04SDave Airlie { 497f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 498f453ba04SDave Airlie 499f453ba04SDave Airlie encoder->dev = dev; 500f453ba04SDave Airlie 501f453ba04SDave Airlie drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 502f453ba04SDave Airlie encoder->encoder_type = encoder_type; 503f453ba04SDave Airlie encoder->funcs = funcs; 504f453ba04SDave Airlie 505f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 506f453ba04SDave Airlie dev->mode_config.num_encoder++; 507f453ba04SDave Airlie 508f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 509f453ba04SDave Airlie } 510f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 511f453ba04SDave Airlie 512f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 513f453ba04SDave Airlie { 514f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 515f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 516f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 517f453ba04SDave Airlie list_del(&encoder->head); 518f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 519f453ba04SDave Airlie } 520f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 521f453ba04SDave Airlie 522f453ba04SDave Airlie /** 523f453ba04SDave Airlie * drm_mode_create - create a new display mode 524f453ba04SDave Airlie * @dev: DRM device 525f453ba04SDave Airlie * 526f453ba04SDave Airlie * LOCKING: 527f453ba04SDave Airlie * Caller must hold DRM mode_config lock. 528f453ba04SDave Airlie * 529f453ba04SDave Airlie * Create a new drm_display_mode, give it an ID, and return it. 530f453ba04SDave Airlie * 531f453ba04SDave Airlie * RETURNS: 532f453ba04SDave Airlie * Pointer to new mode on success, NULL on error. 533f453ba04SDave Airlie */ 534f453ba04SDave Airlie struct drm_display_mode *drm_mode_create(struct drm_device *dev) 535f453ba04SDave Airlie { 536f453ba04SDave Airlie struct drm_display_mode *nmode; 537f453ba04SDave Airlie 538f453ba04SDave Airlie nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); 539f453ba04SDave Airlie if (!nmode) 540f453ba04SDave Airlie return NULL; 541f453ba04SDave Airlie 542f453ba04SDave Airlie drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); 543f453ba04SDave Airlie return nmode; 544f453ba04SDave Airlie } 545f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create); 546f453ba04SDave Airlie 547f453ba04SDave Airlie /** 548f453ba04SDave Airlie * drm_mode_destroy - remove a mode 549f453ba04SDave Airlie * @dev: DRM device 550f453ba04SDave Airlie * @mode: mode to remove 551f453ba04SDave Airlie * 552f453ba04SDave Airlie * LOCKING: 553f453ba04SDave Airlie * Caller must hold mode config lock. 554f453ba04SDave Airlie * 555f453ba04SDave Airlie * Free @mode's unique identifier, then free it. 556f453ba04SDave Airlie */ 557f453ba04SDave Airlie void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) 558f453ba04SDave Airlie { 559f453ba04SDave Airlie drm_mode_object_put(dev, &mode->base); 560f453ba04SDave Airlie 561f453ba04SDave Airlie kfree(mode); 562f453ba04SDave Airlie } 563f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_destroy); 564f453ba04SDave Airlie 565f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 566f453ba04SDave Airlie { 567f453ba04SDave Airlie struct drm_property *edid; 568f453ba04SDave Airlie struct drm_property *dpms; 569f453ba04SDave Airlie int i; 570f453ba04SDave Airlie 571f453ba04SDave Airlie /* 572f453ba04SDave Airlie * Standard properties (apply to all connectors) 573f453ba04SDave Airlie */ 574f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 575f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 576f453ba04SDave Airlie "EDID", 0); 577f453ba04SDave Airlie dev->mode_config.edid_property = edid; 578f453ba04SDave Airlie 579f453ba04SDave Airlie dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, 580f453ba04SDave Airlie "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); 581f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) 582f453ba04SDave Airlie drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, 583f453ba04SDave Airlie drm_dpms_enum_list[i].name); 584f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 585f453ba04SDave Airlie 586f453ba04SDave Airlie return 0; 587f453ba04SDave Airlie } 588f453ba04SDave Airlie 589f453ba04SDave Airlie /** 590f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 591f453ba04SDave Airlie * @dev: DRM device 592f453ba04SDave Airlie * 593f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 594f453ba04SDave Airlie */ 595f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 596f453ba04SDave Airlie { 597f453ba04SDave Airlie struct drm_property *dvi_i_selector; 598f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 599f453ba04SDave Airlie int i; 600f453ba04SDave Airlie 601f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 602f453ba04SDave Airlie return 0; 603f453ba04SDave Airlie 604f453ba04SDave Airlie dvi_i_selector = 605f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 606f453ba04SDave Airlie "select subconnector", 607f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 608f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) 609f453ba04SDave Airlie drm_property_add_enum(dvi_i_selector, i, 610f453ba04SDave Airlie drm_dvi_i_select_enum_list[i].type, 611f453ba04SDave Airlie drm_dvi_i_select_enum_list[i].name); 612f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 613f453ba04SDave Airlie 614f453ba04SDave Airlie dvi_i_subconnector = 615f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM | 616f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 617f453ba04SDave Airlie "subconnector", 618f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 619f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) 620f453ba04SDave Airlie drm_property_add_enum(dvi_i_subconnector, i, 621f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list[i].type, 622f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list[i].name); 623f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 624f453ba04SDave Airlie 625f453ba04SDave Airlie return 0; 626f453ba04SDave Airlie } 627f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 628f453ba04SDave Airlie 629f453ba04SDave Airlie /** 630f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 631f453ba04SDave Airlie * @dev: DRM device 632f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 633f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 634f453ba04SDave Airlie * 635f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 636f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 637f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 638f453ba04SDave Airlie * this routine. 639f453ba04SDave Airlie */ 640f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 641f453ba04SDave Airlie char *modes[]) 642f453ba04SDave Airlie { 643f453ba04SDave Airlie struct drm_property *tv_selector; 644f453ba04SDave Airlie struct drm_property *tv_subconnector; 645f453ba04SDave Airlie int i; 646f453ba04SDave Airlie 647f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 648f453ba04SDave Airlie return 0; 649f453ba04SDave Airlie 650f453ba04SDave Airlie /* 651f453ba04SDave Airlie * Basic connector properties 652f453ba04SDave Airlie */ 653f453ba04SDave Airlie tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, 654f453ba04SDave Airlie "select subconnector", 655f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 656f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) 657f453ba04SDave Airlie drm_property_add_enum(tv_selector, i, 658f453ba04SDave Airlie drm_tv_select_enum_list[i].type, 659f453ba04SDave Airlie drm_tv_select_enum_list[i].name); 660f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 661f453ba04SDave Airlie 662f453ba04SDave Airlie tv_subconnector = 663f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM | 664f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, "subconnector", 665f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 666f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) 667f453ba04SDave Airlie drm_property_add_enum(tv_subconnector, i, 668f453ba04SDave Airlie drm_tv_subconnector_enum_list[i].type, 669f453ba04SDave Airlie drm_tv_subconnector_enum_list[i].name); 670f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 671f453ba04SDave Airlie 672f453ba04SDave Airlie /* 673f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 674f453ba04SDave Airlie */ 675f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 676f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 677f453ba04SDave Airlie "left margin", 2); 678f453ba04SDave Airlie dev->mode_config.tv_left_margin_property->values[0] = 0; 679f453ba04SDave Airlie dev->mode_config.tv_left_margin_property->values[1] = 100; 680f453ba04SDave Airlie 681f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 682f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 683f453ba04SDave Airlie "right margin", 2); 684f453ba04SDave Airlie dev->mode_config.tv_right_margin_property->values[0] = 0; 685f453ba04SDave Airlie dev->mode_config.tv_right_margin_property->values[1] = 100; 686f453ba04SDave Airlie 687f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 688f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 689f453ba04SDave Airlie "top margin", 2); 690f453ba04SDave Airlie dev->mode_config.tv_top_margin_property->values[0] = 0; 691f453ba04SDave Airlie dev->mode_config.tv_top_margin_property->values[1] = 100; 692f453ba04SDave Airlie 693f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 694f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_RANGE, 695f453ba04SDave Airlie "bottom margin", 2); 696f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property->values[0] = 0; 697f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property->values[1] = 100; 698f453ba04SDave Airlie 699f453ba04SDave Airlie dev->mode_config.tv_mode_property = 700f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 701f453ba04SDave Airlie "mode", num_modes); 702f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 703f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 704f453ba04SDave Airlie i, modes[i]); 705f453ba04SDave Airlie 706b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 707b6b7902eSFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 708b6b7902eSFrancisco Jerez "brightness", 2); 709b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property->values[0] = 0; 710b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property->values[1] = 100; 711b6b7902eSFrancisco Jerez 712b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 713b6b7902eSFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 714b6b7902eSFrancisco Jerez "contrast", 2); 715b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property->values[0] = 0; 716b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property->values[1] = 100; 717b6b7902eSFrancisco Jerez 718b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 719b6b7902eSFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 720b6b7902eSFrancisco Jerez "flicker reduction", 2); 721b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property->values[0] = 0; 722b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property->values[1] = 100; 723b6b7902eSFrancisco Jerez 724a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 725a75f0236SFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 726a75f0236SFrancisco Jerez "overscan", 2); 727a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property->values[0] = 0; 728a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property->values[1] = 100; 729a75f0236SFrancisco Jerez 730a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 731a75f0236SFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 732a75f0236SFrancisco Jerez "saturation", 2); 733a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property->values[0] = 0; 734a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property->values[1] = 100; 735a75f0236SFrancisco Jerez 736a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 737a75f0236SFrancisco Jerez drm_property_create(dev, DRM_MODE_PROP_RANGE, 738a75f0236SFrancisco Jerez "hue", 2); 739a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property->values[0] = 0; 740a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property->values[1] = 100; 741a75f0236SFrancisco Jerez 742f453ba04SDave Airlie return 0; 743f453ba04SDave Airlie } 744f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 745f453ba04SDave Airlie 746f453ba04SDave Airlie /** 747f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 748f453ba04SDave Airlie * @dev: DRM device 749f453ba04SDave Airlie * 750f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 751f453ba04SDave Airlie * connectors. 752f453ba04SDave Airlie */ 753f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 754f453ba04SDave Airlie { 755f453ba04SDave Airlie struct drm_property *scaling_mode; 756f453ba04SDave Airlie int i; 757f453ba04SDave Airlie 758f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 759f453ba04SDave Airlie return 0; 760f453ba04SDave Airlie 761f453ba04SDave Airlie scaling_mode = 762f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", 763f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 764f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) 765f453ba04SDave Airlie drm_property_add_enum(scaling_mode, i, 766f453ba04SDave Airlie drm_scaling_mode_enum_list[i].type, 767f453ba04SDave Airlie drm_scaling_mode_enum_list[i].name); 768f453ba04SDave Airlie 769f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 770f453ba04SDave Airlie 771f453ba04SDave Airlie return 0; 772f453ba04SDave Airlie } 773f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 774f453ba04SDave Airlie 775f453ba04SDave Airlie /** 776f453ba04SDave Airlie * drm_mode_create_dithering_property - create dithering property 777f453ba04SDave Airlie * @dev: DRM device 778f453ba04SDave Airlie * 779f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 780f453ba04SDave Airlie * connectors. 781f453ba04SDave Airlie */ 782f453ba04SDave Airlie int drm_mode_create_dithering_property(struct drm_device *dev) 783f453ba04SDave Airlie { 784f453ba04SDave Airlie struct drm_property *dithering_mode; 785f453ba04SDave Airlie int i; 786f453ba04SDave Airlie 787f453ba04SDave Airlie if (dev->mode_config.dithering_mode_property) 788f453ba04SDave Airlie return 0; 789f453ba04SDave Airlie 790f453ba04SDave Airlie dithering_mode = 791f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", 792f453ba04SDave Airlie ARRAY_SIZE(drm_dithering_mode_enum_list)); 793f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) 794f453ba04SDave Airlie drm_property_add_enum(dithering_mode, i, 795f453ba04SDave Airlie drm_dithering_mode_enum_list[i].type, 796f453ba04SDave Airlie drm_dithering_mode_enum_list[i].name); 797f453ba04SDave Airlie dev->mode_config.dithering_mode_property = dithering_mode; 798f453ba04SDave Airlie 799f453ba04SDave Airlie return 0; 800f453ba04SDave Airlie } 801f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dithering_property); 802f453ba04SDave Airlie 803f453ba04SDave Airlie /** 804f453ba04SDave Airlie * drm_mode_config_init - initialize DRM mode_configuration structure 805f453ba04SDave Airlie * @dev: DRM device 806f453ba04SDave Airlie * 807f453ba04SDave Airlie * LOCKING: 808f453ba04SDave Airlie * None, should happen single threaded at init time. 809f453ba04SDave Airlie * 810f453ba04SDave Airlie * Initialize @dev's mode_config structure, used for tracking the graphics 811f453ba04SDave Airlie * configuration of @dev. 812f453ba04SDave Airlie */ 813f453ba04SDave Airlie void drm_mode_config_init(struct drm_device *dev) 814f453ba04SDave Airlie { 815f453ba04SDave Airlie mutex_init(&dev->mode_config.mutex); 816ad2563c2SJesse Barnes mutex_init(&dev->mode_config.idr_mutex); 817f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.fb_list); 818f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list); 819f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.crtc_list); 820f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.connector_list); 821f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.encoder_list); 822f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_list); 823f453ba04SDave Airlie INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 824f453ba04SDave Airlie idr_init(&dev->mode_config.crtc_idr); 825f453ba04SDave Airlie 826f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 827f453ba04SDave Airlie drm_mode_create_standard_connector_properties(dev); 828f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 829f453ba04SDave Airlie 830f453ba04SDave Airlie /* Just to be sure */ 831f453ba04SDave Airlie dev->mode_config.num_fb = 0; 832f453ba04SDave Airlie dev->mode_config.num_connector = 0; 833f453ba04SDave Airlie dev->mode_config.num_crtc = 0; 834f453ba04SDave Airlie dev->mode_config.num_encoder = 0; 835f453ba04SDave Airlie } 836f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_init); 837f453ba04SDave Airlie 838f453ba04SDave Airlie int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 839f453ba04SDave Airlie { 840f453ba04SDave Airlie uint32_t total_objects = 0; 841f453ba04SDave Airlie 842f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 843f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 844f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 845f453ba04SDave Airlie 846f453ba04SDave Airlie if (total_objects == 0) 847f453ba04SDave Airlie return -EINVAL; 848f453ba04SDave Airlie 849f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 850f453ba04SDave Airlie if (!group->id_list) 851f453ba04SDave Airlie return -ENOMEM; 852f453ba04SDave Airlie 853f453ba04SDave Airlie group->num_crtcs = 0; 854f453ba04SDave Airlie group->num_connectors = 0; 855f453ba04SDave Airlie group->num_encoders = 0; 856f453ba04SDave Airlie return 0; 857f453ba04SDave Airlie } 858f453ba04SDave Airlie 859f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 860f453ba04SDave Airlie struct drm_mode_group *group) 861f453ba04SDave Airlie { 862f453ba04SDave Airlie struct drm_crtc *crtc; 863f453ba04SDave Airlie struct drm_encoder *encoder; 864f453ba04SDave Airlie struct drm_connector *connector; 865f453ba04SDave Airlie int ret; 866f453ba04SDave Airlie 867f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 868f453ba04SDave Airlie return ret; 869f453ba04SDave Airlie 870f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 871f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 872f453ba04SDave Airlie 873f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 874f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 875f453ba04SDave Airlie encoder->base.id; 876f453ba04SDave Airlie 877f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 878f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 879f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 880f453ba04SDave Airlie 881f453ba04SDave Airlie return 0; 882f453ba04SDave Airlie } 883f453ba04SDave Airlie 884f453ba04SDave Airlie /** 885f453ba04SDave Airlie * drm_mode_config_cleanup - free up DRM mode_config info 886f453ba04SDave Airlie * @dev: DRM device 887f453ba04SDave Airlie * 888f453ba04SDave Airlie * LOCKING: 889f453ba04SDave Airlie * Caller must hold mode config lock. 890f453ba04SDave Airlie * 891f453ba04SDave Airlie * Free up all the connectors and CRTCs associated with this DRM device, then 892f453ba04SDave Airlie * free up the framebuffers and associated buffer objects. 893f453ba04SDave Airlie * 894f453ba04SDave Airlie * FIXME: cleanup any dangling user buffer objects too 895f453ba04SDave Airlie */ 896f453ba04SDave Airlie void drm_mode_config_cleanup(struct drm_device *dev) 897f453ba04SDave Airlie { 898f453ba04SDave Airlie struct drm_connector *connector, *ot; 899f453ba04SDave Airlie struct drm_crtc *crtc, *ct; 900f453ba04SDave Airlie struct drm_encoder *encoder, *enct; 901f453ba04SDave Airlie struct drm_framebuffer *fb, *fbt; 902f453ba04SDave Airlie struct drm_property *property, *pt; 903f453ba04SDave Airlie 904f453ba04SDave Airlie list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 905f453ba04SDave Airlie head) { 906f453ba04SDave Airlie encoder->funcs->destroy(encoder); 907f453ba04SDave Airlie } 908f453ba04SDave Airlie 909f453ba04SDave Airlie list_for_each_entry_safe(connector, ot, 910f453ba04SDave Airlie &dev->mode_config.connector_list, head) { 911f453ba04SDave Airlie connector->funcs->destroy(connector); 912f453ba04SDave Airlie } 913f453ba04SDave Airlie 914f453ba04SDave Airlie list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 915f453ba04SDave Airlie head) { 916f453ba04SDave Airlie drm_property_destroy(dev, property); 917f453ba04SDave Airlie } 918f453ba04SDave Airlie 919f453ba04SDave Airlie list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 920f453ba04SDave Airlie fb->funcs->destroy(fb); 921f453ba04SDave Airlie } 922f453ba04SDave Airlie 923f453ba04SDave Airlie list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 924f453ba04SDave Airlie crtc->funcs->destroy(crtc); 925f453ba04SDave Airlie } 926f453ba04SDave Airlie 927f453ba04SDave Airlie } 928f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_config_cleanup); 929f453ba04SDave Airlie 930f453ba04SDave Airlie /** 931f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 932f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 933f453ba04SDave Airlie * @in: drm_display_mode to use 934f453ba04SDave Airlie * 935f453ba04SDave Airlie * LOCKING: 936f453ba04SDave Airlie * None. 937f453ba04SDave Airlie * 938f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 939f453ba04SDave Airlie * the user. 940f453ba04SDave Airlie */ 941f453ba04SDave Airlie void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 942f453ba04SDave Airlie struct drm_display_mode *in) 943f453ba04SDave Airlie { 944f453ba04SDave Airlie out->clock = in->clock; 945f453ba04SDave Airlie out->hdisplay = in->hdisplay; 946f453ba04SDave Airlie out->hsync_start = in->hsync_start; 947f453ba04SDave Airlie out->hsync_end = in->hsync_end; 948f453ba04SDave Airlie out->htotal = in->htotal; 949f453ba04SDave Airlie out->hskew = in->hskew; 950f453ba04SDave Airlie out->vdisplay = in->vdisplay; 951f453ba04SDave Airlie out->vsync_start = in->vsync_start; 952f453ba04SDave Airlie out->vsync_end = in->vsync_end; 953f453ba04SDave Airlie out->vtotal = in->vtotal; 954f453ba04SDave Airlie out->vscan = in->vscan; 955f453ba04SDave Airlie out->vrefresh = in->vrefresh; 956f453ba04SDave Airlie out->flags = in->flags; 957f453ba04SDave Airlie out->type = in->type; 958f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 959f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 960f453ba04SDave Airlie } 961f453ba04SDave Airlie 962f453ba04SDave Airlie /** 963f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode 964f453ba04SDave Airlie * @out: drm_display_mode to return to the user 965f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 966f453ba04SDave Airlie * 967f453ba04SDave Airlie * LOCKING: 968f453ba04SDave Airlie * None. 969f453ba04SDave Airlie * 970f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 971f453ba04SDave Airlie * the caller. 972f453ba04SDave Airlie */ 973f453ba04SDave Airlie void drm_crtc_convert_umode(struct drm_display_mode *out, 974f453ba04SDave Airlie struct drm_mode_modeinfo *in) 975f453ba04SDave Airlie { 976f453ba04SDave Airlie out->clock = in->clock; 977f453ba04SDave Airlie out->hdisplay = in->hdisplay; 978f453ba04SDave Airlie out->hsync_start = in->hsync_start; 979f453ba04SDave Airlie out->hsync_end = in->hsync_end; 980f453ba04SDave Airlie out->htotal = in->htotal; 981f453ba04SDave Airlie out->hskew = in->hskew; 982f453ba04SDave Airlie out->vdisplay = in->vdisplay; 983f453ba04SDave Airlie out->vsync_start = in->vsync_start; 984f453ba04SDave Airlie out->vsync_end = in->vsync_end; 985f453ba04SDave Airlie out->vtotal = in->vtotal; 986f453ba04SDave Airlie out->vscan = in->vscan; 987f453ba04SDave Airlie out->vrefresh = in->vrefresh; 988f453ba04SDave Airlie out->flags = in->flags; 989f453ba04SDave Airlie out->type = in->type; 990f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 991f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 992f453ba04SDave Airlie } 993f453ba04SDave Airlie 994f453ba04SDave Airlie /** 995f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 996f453ba04SDave Airlie * @inode: inode from the ioctl 997f453ba04SDave Airlie * @filp: file * from the ioctl 998f453ba04SDave Airlie * @cmd: cmd from ioctl 999f453ba04SDave Airlie * @arg: arg from ioctl 1000f453ba04SDave Airlie * 1001f453ba04SDave Airlie * LOCKING: 1002f453ba04SDave Airlie * Takes mode config lock. 1003f453ba04SDave Airlie * 1004f453ba04SDave Airlie * Construct a set of configuration description structures and return 1005f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1006f453ba04SDave Airlie * 1007f453ba04SDave Airlie * Called by the user via ioctl. 1008f453ba04SDave Airlie * 1009f453ba04SDave Airlie * RETURNS: 1010f453ba04SDave Airlie * Zero on success, errno on failure. 1011f453ba04SDave Airlie */ 1012f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1013f453ba04SDave Airlie struct drm_file *file_priv) 1014f453ba04SDave Airlie { 1015f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1016f453ba04SDave Airlie struct list_head *lh; 1017f453ba04SDave Airlie struct drm_framebuffer *fb; 1018f453ba04SDave Airlie struct drm_connector *connector; 1019f453ba04SDave Airlie struct drm_crtc *crtc; 1020f453ba04SDave Airlie struct drm_encoder *encoder; 1021f453ba04SDave Airlie int ret = 0; 1022f453ba04SDave Airlie int connector_count = 0; 1023f453ba04SDave Airlie int crtc_count = 0; 1024f453ba04SDave Airlie int fb_count = 0; 1025f453ba04SDave Airlie int encoder_count = 0; 1026f453ba04SDave Airlie int copied = 0, i; 1027f453ba04SDave Airlie uint32_t __user *fb_id; 1028f453ba04SDave Airlie uint32_t __user *crtc_id; 1029f453ba04SDave Airlie uint32_t __user *connector_id; 1030f453ba04SDave Airlie uint32_t __user *encoder_id; 1031f453ba04SDave Airlie struct drm_mode_group *mode_group; 1032f453ba04SDave Airlie 1033f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1034f453ba04SDave Airlie 1035f453ba04SDave Airlie /* 1036f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1037f453ba04SDave Airlie * by IDs in the group list for this node 1038f453ba04SDave Airlie */ 1039f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1040f453ba04SDave Airlie fb_count++; 1041f453ba04SDave Airlie 1042f453ba04SDave Airlie mode_group = &file_priv->master->minor->mode_group; 1043f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1044f453ba04SDave Airlie 1045f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1046f453ba04SDave Airlie crtc_count++; 1047f453ba04SDave Airlie 1048f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1049f453ba04SDave Airlie connector_count++; 1050f453ba04SDave Airlie 1051f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1052f453ba04SDave Airlie encoder_count++; 1053f453ba04SDave Airlie } else { 1054f453ba04SDave Airlie 1055f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1056f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1057f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1058f453ba04SDave Airlie } 1059f453ba04SDave Airlie 1060f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1061f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1062f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1063f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1064f453ba04SDave Airlie 1065f453ba04SDave Airlie /* handle this in 4 parts */ 1066f453ba04SDave Airlie /* FBs */ 1067f453ba04SDave Airlie if (card_res->count_fbs >= fb_count) { 1068f453ba04SDave Airlie copied = 0; 1069f453ba04SDave Airlie fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 1070f453ba04SDave Airlie list_for_each_entry(fb, &file_priv->fbs, head) { 1071f453ba04SDave Airlie if (put_user(fb->base.id, fb_id + copied)) { 1072f453ba04SDave Airlie ret = -EFAULT; 1073f453ba04SDave Airlie goto out; 1074f453ba04SDave Airlie } 1075f453ba04SDave Airlie copied++; 1076f453ba04SDave Airlie } 1077f453ba04SDave Airlie } 1078f453ba04SDave Airlie card_res->count_fbs = fb_count; 1079f453ba04SDave Airlie 1080f453ba04SDave Airlie /* CRTCs */ 1081f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1082f453ba04SDave Airlie copied = 0; 1083f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 1084f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1085f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1086f453ba04SDave Airlie head) { 108758367ed6SZhao Yakui DRM_DEBUG_KMS("CRTC ID is %d\n", crtc->base.id); 1088f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1089f453ba04SDave Airlie ret = -EFAULT; 1090f453ba04SDave Airlie goto out; 1091f453ba04SDave Airlie } 1092f453ba04SDave Airlie copied++; 1093f453ba04SDave Airlie } 1094f453ba04SDave Airlie } else { 1095f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1096f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1097f453ba04SDave Airlie crtc_id + copied)) { 1098f453ba04SDave Airlie ret = -EFAULT; 1099f453ba04SDave Airlie goto out; 1100f453ba04SDave Airlie } 1101f453ba04SDave Airlie copied++; 1102f453ba04SDave Airlie } 1103f453ba04SDave Airlie } 1104f453ba04SDave Airlie } 1105f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1106f453ba04SDave Airlie 1107f453ba04SDave Airlie /* Encoders */ 1108f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1109f453ba04SDave Airlie copied = 0; 1110f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 1111f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1112f453ba04SDave Airlie list_for_each_entry(encoder, 1113f453ba04SDave Airlie &dev->mode_config.encoder_list, 1114f453ba04SDave Airlie head) { 111558367ed6SZhao Yakui DRM_DEBUG_KMS("ENCODER ID is %d\n", 1116f453ba04SDave Airlie encoder->base.id); 1117f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1118f453ba04SDave Airlie copied)) { 1119f453ba04SDave Airlie ret = -EFAULT; 1120f453ba04SDave Airlie goto out; 1121f453ba04SDave Airlie } 1122f453ba04SDave Airlie copied++; 1123f453ba04SDave Airlie } 1124f453ba04SDave Airlie } else { 1125f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1126f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1127f453ba04SDave Airlie encoder_id + copied)) { 1128f453ba04SDave Airlie ret = -EFAULT; 1129f453ba04SDave Airlie goto out; 1130f453ba04SDave Airlie } 1131f453ba04SDave Airlie copied++; 1132f453ba04SDave Airlie } 1133f453ba04SDave Airlie 1134f453ba04SDave Airlie } 1135f453ba04SDave Airlie } 1136f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1137f453ba04SDave Airlie 1138f453ba04SDave Airlie /* Connectors */ 1139f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1140f453ba04SDave Airlie copied = 0; 1141f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 1142f453ba04SDave Airlie if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { 1143f453ba04SDave Airlie list_for_each_entry(connector, 1144f453ba04SDave Airlie &dev->mode_config.connector_list, 1145f453ba04SDave Airlie head) { 114658367ed6SZhao Yakui DRM_DEBUG_KMS("CONNECTOR ID is %d\n", 1147f453ba04SDave Airlie connector->base.id); 1148f453ba04SDave Airlie if (put_user(connector->base.id, 1149f453ba04SDave Airlie connector_id + copied)) { 1150f453ba04SDave Airlie ret = -EFAULT; 1151f453ba04SDave Airlie goto out; 1152f453ba04SDave Airlie } 1153f453ba04SDave Airlie copied++; 1154f453ba04SDave Airlie } 1155f453ba04SDave Airlie } else { 1156f453ba04SDave Airlie int start = mode_group->num_crtcs + 1157f453ba04SDave Airlie mode_group->num_encoders; 1158f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1159f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1160f453ba04SDave Airlie connector_id + copied)) { 1161f453ba04SDave Airlie ret = -EFAULT; 1162f453ba04SDave Airlie goto out; 1163f453ba04SDave Airlie } 1164f453ba04SDave Airlie copied++; 1165f453ba04SDave Airlie } 1166f453ba04SDave Airlie } 1167f453ba04SDave Airlie } 1168f453ba04SDave Airlie card_res->count_connectors = connector_count; 1169f453ba04SDave Airlie 117058367ed6SZhao Yakui DRM_DEBUG_KMS("Counted %d %d %d\n", card_res->count_crtcs, 1171f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1172f453ba04SDave Airlie 1173f453ba04SDave Airlie out: 1174f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1175f453ba04SDave Airlie return ret; 1176f453ba04SDave Airlie } 1177f453ba04SDave Airlie 1178f453ba04SDave Airlie /** 1179f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1180f453ba04SDave Airlie * @inode: inode from the ioctl 1181f453ba04SDave Airlie * @filp: file * from the ioctl 1182f453ba04SDave Airlie * @cmd: cmd from ioctl 1183f453ba04SDave Airlie * @arg: arg from ioctl 1184f453ba04SDave Airlie * 1185f453ba04SDave Airlie * LOCKING: 1186f453ba04SDave Airlie * Caller? (FIXME) 1187f453ba04SDave Airlie * 1188f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1189f453ba04SDave Airlie * 1190f453ba04SDave Airlie * Called by the user via ioctl. 1191f453ba04SDave Airlie * 1192f453ba04SDave Airlie * RETURNS: 1193f453ba04SDave Airlie * Zero on success, errno on failure. 1194f453ba04SDave Airlie */ 1195f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1196f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1197f453ba04SDave Airlie { 1198f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1199f453ba04SDave Airlie struct drm_crtc *crtc; 1200f453ba04SDave Airlie struct drm_mode_object *obj; 1201f453ba04SDave Airlie int ret = 0; 1202f453ba04SDave Airlie 1203f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1204f453ba04SDave Airlie 1205f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_resp->crtc_id, 1206f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1207f453ba04SDave Airlie if (!obj) { 1208f453ba04SDave Airlie ret = -EINVAL; 1209f453ba04SDave Airlie goto out; 1210f453ba04SDave Airlie } 1211f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1212f453ba04SDave Airlie 1213f453ba04SDave Airlie crtc_resp->x = crtc->x; 1214f453ba04SDave Airlie crtc_resp->y = crtc->y; 1215f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1216f453ba04SDave Airlie if (crtc->fb) 1217f453ba04SDave Airlie crtc_resp->fb_id = crtc->fb->base.id; 1218f453ba04SDave Airlie else 1219f453ba04SDave Airlie crtc_resp->fb_id = 0; 1220f453ba04SDave Airlie 1221f453ba04SDave Airlie if (crtc->enabled) { 1222f453ba04SDave Airlie 1223f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1224f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1225f453ba04SDave Airlie 1226f453ba04SDave Airlie } else { 1227f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1228f453ba04SDave Airlie } 1229f453ba04SDave Airlie 1230f453ba04SDave Airlie out: 1231f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1232f453ba04SDave Airlie return ret; 1233f453ba04SDave Airlie } 1234f453ba04SDave Airlie 1235f453ba04SDave Airlie /** 1236f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1237f453ba04SDave Airlie * @inode: inode from the ioctl 1238f453ba04SDave Airlie * @filp: file * from the ioctl 1239f453ba04SDave Airlie * @cmd: cmd from ioctl 1240f453ba04SDave Airlie * @arg: arg from ioctl 1241f453ba04SDave Airlie * 1242f453ba04SDave Airlie * LOCKING: 1243f453ba04SDave Airlie * Caller? (FIXME) 1244f453ba04SDave Airlie * 1245f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1246f453ba04SDave Airlie * 1247f453ba04SDave Airlie * Called by the user via ioctl. 1248f453ba04SDave Airlie * 1249f453ba04SDave Airlie * RETURNS: 1250f453ba04SDave Airlie * Zero on success, errno on failure. 1251f453ba04SDave Airlie */ 1252f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1253f453ba04SDave Airlie struct drm_file *file_priv) 1254f453ba04SDave Airlie { 1255f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1256f453ba04SDave Airlie struct drm_mode_object *obj; 1257f453ba04SDave Airlie struct drm_connector *connector; 1258f453ba04SDave Airlie struct drm_display_mode *mode; 1259f453ba04SDave Airlie int mode_count = 0; 1260f453ba04SDave Airlie int props_count = 0; 1261f453ba04SDave Airlie int encoders_count = 0; 1262f453ba04SDave Airlie int ret = 0; 1263f453ba04SDave Airlie int copied = 0; 1264f453ba04SDave Airlie int i; 1265f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1266f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1267f453ba04SDave Airlie uint32_t __user *prop_ptr; 1268f453ba04SDave Airlie uint64_t __user *prop_values; 1269f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1270f453ba04SDave Airlie 1271f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1272f453ba04SDave Airlie 127358367ed6SZhao Yakui DRM_DEBUG_KMS("connector id %d:\n", out_resp->connector_id); 1274f453ba04SDave Airlie 1275f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1276f453ba04SDave Airlie 1277f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, 1278f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1279f453ba04SDave Airlie if (!obj) { 1280f453ba04SDave Airlie ret = -EINVAL; 1281f453ba04SDave Airlie goto out; 1282f453ba04SDave Airlie } 1283f453ba04SDave Airlie connector = obj_to_connector(obj); 1284f453ba04SDave Airlie 1285f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 1286f453ba04SDave Airlie if (connector->property_ids[i] != 0) { 1287f453ba04SDave Airlie props_count++; 1288f453ba04SDave Airlie } 1289f453ba04SDave Airlie } 1290f453ba04SDave Airlie 1291f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1292f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1293f453ba04SDave Airlie encoders_count++; 1294f453ba04SDave Airlie } 1295f453ba04SDave Airlie } 1296f453ba04SDave Airlie 1297f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1298f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1299f453ba04SDave Airlie dev->mode_config.max_width, 1300f453ba04SDave Airlie dev->mode_config.max_height); 1301f453ba04SDave Airlie } 1302f453ba04SDave Airlie 1303f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 1304f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 1305f453ba04SDave Airlie mode_count++; 1306f453ba04SDave Airlie 1307f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 1308f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 1309f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 1310f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 1311f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 1312f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 1313f453ba04SDave Airlie out_resp->connection = connector->status; 1314f453ba04SDave Airlie if (connector->encoder) 1315f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 1316f453ba04SDave Airlie else 1317f453ba04SDave Airlie out_resp->encoder_id = 0; 1318f453ba04SDave Airlie 1319f453ba04SDave Airlie /* 1320f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 1321f453ba04SDave Airlie * needed, and the 2nd time to fill it. 1322f453ba04SDave Airlie */ 1323f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 1324f453ba04SDave Airlie copied = 0; 1325f453ba04SDave Airlie mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr; 1326f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 1327f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 1328f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 1329f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 1330f453ba04SDave Airlie ret = -EFAULT; 1331f453ba04SDave Airlie goto out; 1332f453ba04SDave Airlie } 1333f453ba04SDave Airlie copied++; 1334f453ba04SDave Airlie } 1335f453ba04SDave Airlie } 1336f453ba04SDave Airlie out_resp->count_modes = mode_count; 1337f453ba04SDave Airlie 1338f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 1339f453ba04SDave Airlie copied = 0; 1340f453ba04SDave Airlie prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr); 1341f453ba04SDave Airlie prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr); 1342f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 1343f453ba04SDave Airlie if (connector->property_ids[i] != 0) { 1344f453ba04SDave Airlie if (put_user(connector->property_ids[i], 1345f453ba04SDave Airlie prop_ptr + copied)) { 1346f453ba04SDave Airlie ret = -EFAULT; 1347f453ba04SDave Airlie goto out; 1348f453ba04SDave Airlie } 1349f453ba04SDave Airlie 1350f453ba04SDave Airlie if (put_user(connector->property_values[i], 1351f453ba04SDave Airlie prop_values + copied)) { 1352f453ba04SDave Airlie ret = -EFAULT; 1353f453ba04SDave Airlie goto out; 1354f453ba04SDave Airlie } 1355f453ba04SDave Airlie copied++; 1356f453ba04SDave Airlie } 1357f453ba04SDave Airlie } 1358f453ba04SDave Airlie } 1359f453ba04SDave Airlie out_resp->count_props = props_count; 1360f453ba04SDave Airlie 1361f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 1362f453ba04SDave Airlie copied = 0; 1363f453ba04SDave Airlie encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr); 1364f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1365f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1366f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 1367f453ba04SDave Airlie encoder_ptr + copied)) { 1368f453ba04SDave Airlie ret = -EFAULT; 1369f453ba04SDave Airlie goto out; 1370f453ba04SDave Airlie } 1371f453ba04SDave Airlie copied++; 1372f453ba04SDave Airlie } 1373f453ba04SDave Airlie } 1374f453ba04SDave Airlie } 1375f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 1376f453ba04SDave Airlie 1377f453ba04SDave Airlie out: 1378f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1379f453ba04SDave Airlie return ret; 1380f453ba04SDave Airlie } 1381f453ba04SDave Airlie 1382f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 1383f453ba04SDave Airlie struct drm_file *file_priv) 1384f453ba04SDave Airlie { 1385f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 1386f453ba04SDave Airlie struct drm_mode_object *obj; 1387f453ba04SDave Airlie struct drm_encoder *encoder; 1388f453ba04SDave Airlie int ret = 0; 1389f453ba04SDave Airlie 1390f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1391f453ba04SDave Airlie obj = drm_mode_object_find(dev, enc_resp->encoder_id, 1392f453ba04SDave Airlie DRM_MODE_OBJECT_ENCODER); 1393f453ba04SDave Airlie if (!obj) { 1394f453ba04SDave Airlie ret = -EINVAL; 1395f453ba04SDave Airlie goto out; 1396f453ba04SDave Airlie } 1397f453ba04SDave Airlie encoder = obj_to_encoder(obj); 1398f453ba04SDave Airlie 1399f453ba04SDave Airlie if (encoder->crtc) 1400f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 1401f453ba04SDave Airlie else 1402f453ba04SDave Airlie enc_resp->crtc_id = 0; 1403f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 1404f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 1405f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 1406f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 1407f453ba04SDave Airlie 1408f453ba04SDave Airlie out: 1409f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1410f453ba04SDave Airlie return ret; 1411f453ba04SDave Airlie } 1412f453ba04SDave Airlie 1413f453ba04SDave Airlie /** 1414f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 1415f453ba04SDave Airlie * @inode: inode from the ioctl 1416f453ba04SDave Airlie * @filp: file * from the ioctl 1417f453ba04SDave Airlie * @cmd: cmd from ioctl 1418f453ba04SDave Airlie * @arg: arg from ioctl 1419f453ba04SDave Airlie * 1420f453ba04SDave Airlie * LOCKING: 1421f453ba04SDave Airlie * Caller? (FIXME) 1422f453ba04SDave Airlie * 1423f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 1424f453ba04SDave Airlie * 1425f453ba04SDave Airlie * Called by the user via ioctl. 1426f453ba04SDave Airlie * 1427f453ba04SDave Airlie * RETURNS: 1428f453ba04SDave Airlie * Zero on success, errno on failure. 1429f453ba04SDave Airlie */ 1430f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 1431f453ba04SDave Airlie struct drm_file *file_priv) 1432f453ba04SDave Airlie { 1433f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1434f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 1435f453ba04SDave Airlie struct drm_mode_object *obj; 1436f453ba04SDave Airlie struct drm_crtc *crtc, *crtcfb; 1437f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 1438f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1439f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 1440f453ba04SDave Airlie struct drm_mode_set set; 1441f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 1442f453ba04SDave Airlie int ret = 0; 1443f453ba04SDave Airlie int i; 1444f453ba04SDave Airlie 1445f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1446f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->crtc_id, 1447f453ba04SDave Airlie DRM_MODE_OBJECT_CRTC); 1448f453ba04SDave Airlie if (!obj) { 144958367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 1450f453ba04SDave Airlie ret = -EINVAL; 1451f453ba04SDave Airlie goto out; 1452f453ba04SDave Airlie } 1453f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1454f453ba04SDave Airlie 1455f453ba04SDave Airlie if (crtc_req->mode_valid) { 1456f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 1457f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 1458f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 1459f453ba04SDave Airlie list_for_each_entry(crtcfb, 1460f453ba04SDave Airlie &dev->mode_config.crtc_list, head) { 1461f453ba04SDave Airlie if (crtcfb == crtc) { 146258367ed6SZhao Yakui DRM_DEBUG_KMS("Using current fb for " 146358367ed6SZhao Yakui "setmode\n"); 1464f453ba04SDave Airlie fb = crtc->fb; 1465f453ba04SDave Airlie } 1466f453ba04SDave Airlie } 1467f453ba04SDave Airlie } else { 1468f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_req->fb_id, 1469f453ba04SDave Airlie DRM_MODE_OBJECT_FB); 1470f453ba04SDave Airlie if (!obj) { 147158367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 147258367ed6SZhao Yakui crtc_req->fb_id); 1473f453ba04SDave Airlie ret = -EINVAL; 1474f453ba04SDave Airlie goto out; 1475f453ba04SDave Airlie } 1476f453ba04SDave Airlie fb = obj_to_fb(obj); 1477f453ba04SDave Airlie } 1478f453ba04SDave Airlie 1479f453ba04SDave Airlie mode = drm_mode_create(dev); 1480f453ba04SDave Airlie drm_crtc_convert_umode(mode, &crtc_req->mode); 1481f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 1482f453ba04SDave Airlie } 1483f453ba04SDave Airlie 1484f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 148558367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 1486f453ba04SDave Airlie ret = -EINVAL; 1487f453ba04SDave Airlie goto out; 1488f453ba04SDave Airlie } 1489f453ba04SDave Airlie 14907781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 149158367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 1492f453ba04SDave Airlie crtc_req->count_connectors); 1493f453ba04SDave Airlie ret = -EINVAL; 1494f453ba04SDave Airlie goto out; 1495f453ba04SDave Airlie } 1496f453ba04SDave Airlie 1497f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 1498f453ba04SDave Airlie u32 out_id; 1499f453ba04SDave Airlie 1500f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 1501f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 1502f453ba04SDave Airlie ret = -EINVAL; 1503f453ba04SDave Airlie goto out; 1504f453ba04SDave Airlie } 1505f453ba04SDave Airlie 1506f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 1507f453ba04SDave Airlie sizeof(struct drm_connector *), 1508f453ba04SDave Airlie GFP_KERNEL); 1509f453ba04SDave Airlie if (!connector_set) { 1510f453ba04SDave Airlie ret = -ENOMEM; 1511f453ba04SDave Airlie goto out; 1512f453ba04SDave Airlie } 1513f453ba04SDave Airlie 1514f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 1515f453ba04SDave Airlie set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr; 1516f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 1517f453ba04SDave Airlie ret = -EFAULT; 1518f453ba04SDave Airlie goto out; 1519f453ba04SDave Airlie } 1520f453ba04SDave Airlie 1521f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_id, 1522f453ba04SDave Airlie DRM_MODE_OBJECT_CONNECTOR); 1523f453ba04SDave Airlie if (!obj) { 152458367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 152558367ed6SZhao Yakui out_id); 1526f453ba04SDave Airlie ret = -EINVAL; 1527f453ba04SDave Airlie goto out; 1528f453ba04SDave Airlie } 1529f453ba04SDave Airlie connector = obj_to_connector(obj); 1530f453ba04SDave Airlie 1531f453ba04SDave Airlie connector_set[i] = connector; 1532f453ba04SDave Airlie } 1533f453ba04SDave Airlie } 1534f453ba04SDave Airlie 1535f453ba04SDave Airlie set.crtc = crtc; 1536f453ba04SDave Airlie set.x = crtc_req->x; 1537f453ba04SDave Airlie set.y = crtc_req->y; 1538f453ba04SDave Airlie set.mode = mode; 1539f453ba04SDave Airlie set.connectors = connector_set; 1540f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 1541f453ba04SDave Airlie set.fb = fb; 1542f453ba04SDave Airlie ret = crtc->funcs->set_config(&set); 1543f453ba04SDave Airlie 1544f453ba04SDave Airlie out: 1545f453ba04SDave Airlie kfree(connector_set); 1546f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1547f453ba04SDave Airlie return ret; 1548f453ba04SDave Airlie } 1549f453ba04SDave Airlie 1550f453ba04SDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 1551f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1552f453ba04SDave Airlie { 1553f453ba04SDave Airlie struct drm_mode_cursor *req = data; 1554f453ba04SDave Airlie struct drm_mode_object *obj; 1555f453ba04SDave Airlie struct drm_crtc *crtc; 1556f453ba04SDave Airlie int ret = 0; 1557f453ba04SDave Airlie 155858367ed6SZhao Yakui DRM_DEBUG_KMS("\n"); 1559f453ba04SDave Airlie 1560f453ba04SDave Airlie if (!req->flags) { 1561f453ba04SDave Airlie DRM_ERROR("no operation set\n"); 1562f453ba04SDave Airlie return -EINVAL; 1563f453ba04SDave Airlie } 1564f453ba04SDave Airlie 1565f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1566e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); 1567f453ba04SDave Airlie if (!obj) { 156858367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 1569f453ba04SDave Airlie ret = -EINVAL; 1570f453ba04SDave Airlie goto out; 1571f453ba04SDave Airlie } 1572f453ba04SDave Airlie crtc = obj_to_crtc(obj); 1573f453ba04SDave Airlie 1574f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 1575f453ba04SDave Airlie if (!crtc->funcs->cursor_set) { 1576f453ba04SDave Airlie DRM_ERROR("crtc does not support cursor\n"); 1577f453ba04SDave Airlie ret = -ENXIO; 1578f453ba04SDave Airlie goto out; 1579f453ba04SDave Airlie } 1580f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 1581f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 1582f453ba04SDave Airlie req->width, req->height); 1583f453ba04SDave Airlie } 1584f453ba04SDave Airlie 1585f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 1586f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 1587f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 1588f453ba04SDave Airlie } else { 1589f453ba04SDave Airlie DRM_ERROR("crtc does not support cursor\n"); 1590f453ba04SDave Airlie ret = -EFAULT; 1591f453ba04SDave Airlie goto out; 1592f453ba04SDave Airlie } 1593f453ba04SDave Airlie } 1594f453ba04SDave Airlie out: 1595f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1596f453ba04SDave Airlie return ret; 1597f453ba04SDave Airlie } 1598f453ba04SDave Airlie 1599f453ba04SDave Airlie /** 1600f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 1601f453ba04SDave Airlie * @inode: inode from the ioctl 1602f453ba04SDave Airlie * @filp: file * from the ioctl 1603f453ba04SDave Airlie * @cmd: cmd from ioctl 1604f453ba04SDave Airlie * @arg: arg from ioctl 1605f453ba04SDave Airlie * 1606f453ba04SDave Airlie * LOCKING: 1607f453ba04SDave Airlie * Takes mode config lock. 1608f453ba04SDave Airlie * 1609f453ba04SDave Airlie * Add a new FB to the specified CRTC, given a user request. 1610f453ba04SDave Airlie * 1611f453ba04SDave Airlie * Called by the user via ioctl. 1612f453ba04SDave Airlie * 1613f453ba04SDave Airlie * RETURNS: 1614f453ba04SDave Airlie * Zero on success, errno on failure. 1615f453ba04SDave Airlie */ 1616f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 1617f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1618f453ba04SDave Airlie { 1619f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 1620f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 1621f453ba04SDave Airlie struct drm_framebuffer *fb; 1622f453ba04SDave Airlie int ret = 0; 1623f453ba04SDave Airlie 1624f453ba04SDave Airlie if ((config->min_width > r->width) || (r->width > config->max_width)) { 1625f453ba04SDave Airlie DRM_ERROR("mode new framebuffer width not within limits\n"); 1626f453ba04SDave Airlie return -EINVAL; 1627f453ba04SDave Airlie } 1628f453ba04SDave Airlie if ((config->min_height > r->height) || (r->height > config->max_height)) { 1629f453ba04SDave Airlie DRM_ERROR("mode new framebuffer height not within limits\n"); 1630f453ba04SDave Airlie return -EINVAL; 1631f453ba04SDave Airlie } 1632f453ba04SDave Airlie 1633f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1634f453ba04SDave Airlie 1635f453ba04SDave Airlie /* TODO check buffer is sufficently large */ 1636f453ba04SDave Airlie /* TODO setup destructor callback */ 1637f453ba04SDave Airlie 1638f453ba04SDave Airlie fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 1639f453ba04SDave Airlie if (!fb) { 1640f453ba04SDave Airlie DRM_ERROR("could not create framebuffer\n"); 1641f453ba04SDave Airlie ret = -EINVAL; 1642f453ba04SDave Airlie goto out; 1643f453ba04SDave Airlie } 1644f453ba04SDave Airlie 1645e0c8463aSJakob Bornecrantz r->fb_id = fb->base.id; 1646f453ba04SDave Airlie list_add(&fb->filp_head, &file_priv->fbs); 1647f453ba04SDave Airlie 1648f453ba04SDave Airlie out: 1649f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1650f453ba04SDave Airlie return ret; 1651f453ba04SDave Airlie } 1652f453ba04SDave Airlie 1653f453ba04SDave Airlie /** 1654f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 1655f453ba04SDave Airlie * @inode: inode from the ioctl 1656f453ba04SDave Airlie * @filp: file * from the ioctl 1657f453ba04SDave Airlie * @cmd: cmd from ioctl 1658f453ba04SDave Airlie * @arg: arg from ioctl 1659f453ba04SDave Airlie * 1660f453ba04SDave Airlie * LOCKING: 1661f453ba04SDave Airlie * Takes mode config lock. 1662f453ba04SDave Airlie * 1663f453ba04SDave Airlie * Remove the FB specified by the user. 1664f453ba04SDave Airlie * 1665f453ba04SDave Airlie * Called by the user via ioctl. 1666f453ba04SDave Airlie * 1667f453ba04SDave Airlie * RETURNS: 1668f453ba04SDave Airlie * Zero on success, errno on failure. 1669f453ba04SDave Airlie */ 1670f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 1671f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1672f453ba04SDave Airlie { 1673f453ba04SDave Airlie struct drm_mode_object *obj; 1674f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 1675f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 1676f453ba04SDave Airlie uint32_t *id = data; 1677f453ba04SDave Airlie int ret = 0; 1678f453ba04SDave Airlie int found = 0; 1679f453ba04SDave Airlie 1680f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1681f453ba04SDave Airlie obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); 1682f453ba04SDave Airlie /* TODO check that we realy get a framebuffer back. */ 1683f453ba04SDave Airlie if (!obj) { 1684f453ba04SDave Airlie DRM_ERROR("mode invalid framebuffer id\n"); 1685f453ba04SDave Airlie ret = -EINVAL; 1686f453ba04SDave Airlie goto out; 1687f453ba04SDave Airlie } 1688f453ba04SDave Airlie fb = obj_to_fb(obj); 1689f453ba04SDave Airlie 1690f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 1691f453ba04SDave Airlie if (fb == fbl) 1692f453ba04SDave Airlie found = 1; 1693f453ba04SDave Airlie 1694f453ba04SDave Airlie if (!found) { 1695f453ba04SDave Airlie DRM_ERROR("tried to remove a fb that we didn't own\n"); 1696f453ba04SDave Airlie ret = -EINVAL; 1697f453ba04SDave Airlie goto out; 1698f453ba04SDave Airlie } 1699f453ba04SDave Airlie 1700f453ba04SDave Airlie /* TODO release all crtc connected to the framebuffer */ 1701f453ba04SDave Airlie /* TODO unhock the destructor from the buffer object */ 1702f453ba04SDave Airlie 1703f453ba04SDave Airlie list_del(&fb->filp_head); 1704f453ba04SDave Airlie fb->funcs->destroy(fb); 1705f453ba04SDave Airlie 1706f453ba04SDave Airlie out: 1707f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1708f453ba04SDave Airlie return ret; 1709f453ba04SDave Airlie } 1710f453ba04SDave Airlie 1711f453ba04SDave Airlie /** 1712f453ba04SDave Airlie * drm_mode_getfb - get FB info 1713f453ba04SDave Airlie * @inode: inode from the ioctl 1714f453ba04SDave Airlie * @filp: file * from the ioctl 1715f453ba04SDave Airlie * @cmd: cmd from ioctl 1716f453ba04SDave Airlie * @arg: arg from ioctl 1717f453ba04SDave Airlie * 1718f453ba04SDave Airlie * LOCKING: 1719f453ba04SDave Airlie * Caller? (FIXME) 1720f453ba04SDave Airlie * 1721f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 1722f453ba04SDave Airlie * 1723f453ba04SDave Airlie * Called by the user via ioctl. 1724f453ba04SDave Airlie * 1725f453ba04SDave Airlie * RETURNS: 1726f453ba04SDave Airlie * Zero on success, errno on failure. 1727f453ba04SDave Airlie */ 1728f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 1729f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1730f453ba04SDave Airlie { 1731f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 1732f453ba04SDave Airlie struct drm_mode_object *obj; 1733f453ba04SDave Airlie struct drm_framebuffer *fb; 1734f453ba04SDave Airlie int ret = 0; 1735f453ba04SDave Airlie 1736f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1737e0c8463aSJakob Bornecrantz obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); 1738f453ba04SDave Airlie if (!obj) { 1739f453ba04SDave Airlie DRM_ERROR("invalid framebuffer id\n"); 1740f453ba04SDave Airlie ret = -EINVAL; 1741f453ba04SDave Airlie goto out; 1742f453ba04SDave Airlie } 1743f453ba04SDave Airlie fb = obj_to_fb(obj); 1744f453ba04SDave Airlie 1745f453ba04SDave Airlie r->height = fb->height; 1746f453ba04SDave Airlie r->width = fb->width; 1747f453ba04SDave Airlie r->depth = fb->depth; 1748f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 1749f453ba04SDave Airlie r->pitch = fb->pitch; 1750f453ba04SDave Airlie fb->funcs->create_handle(fb, file_priv, &r->handle); 1751f453ba04SDave Airlie 1752f453ba04SDave Airlie out: 1753f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1754f453ba04SDave Airlie return ret; 1755f453ba04SDave Airlie } 1756f453ba04SDave Airlie 1757f453ba04SDave Airlie /** 1758f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 1759f453ba04SDave Airlie * @filp: file * from the ioctl 1760f453ba04SDave Airlie * 1761f453ba04SDave Airlie * LOCKING: 1762f453ba04SDave Airlie * Takes mode config lock. 1763f453ba04SDave Airlie * 1764f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 1765f453ba04SDave Airlie * 1766f453ba04SDave Airlie * Called by the user via ioctl. 1767f453ba04SDave Airlie * 1768f453ba04SDave Airlie * RETURNS: 1769f453ba04SDave Airlie * Zero on success, errno on failure. 1770f453ba04SDave Airlie */ 1771ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 1772f453ba04SDave Airlie { 1773f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 1774f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 1775f453ba04SDave Airlie 1776f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1777f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 1778f453ba04SDave Airlie list_del(&fb->filp_head); 1779f453ba04SDave Airlie fb->funcs->destroy(fb); 1780f453ba04SDave Airlie } 1781f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1782f453ba04SDave Airlie } 1783f453ba04SDave Airlie 1784f453ba04SDave Airlie /** 1785f453ba04SDave Airlie * drm_mode_attachmode - add a mode to the user mode list 1786f453ba04SDave Airlie * @dev: DRM device 1787f453ba04SDave Airlie * @connector: connector to add the mode to 1788f453ba04SDave Airlie * @mode: mode to add 1789f453ba04SDave Airlie * 1790f453ba04SDave Airlie * Add @mode to @connector's user mode list. 1791f453ba04SDave Airlie */ 1792f453ba04SDave Airlie static int drm_mode_attachmode(struct drm_device *dev, 1793f453ba04SDave Airlie struct drm_connector *connector, 1794f453ba04SDave Airlie struct drm_display_mode *mode) 1795f453ba04SDave Airlie { 1796f453ba04SDave Airlie int ret = 0; 1797f453ba04SDave Airlie 1798f453ba04SDave Airlie list_add_tail(&mode->head, &connector->user_modes); 1799f453ba04SDave Airlie return ret; 1800f453ba04SDave Airlie } 1801f453ba04SDave Airlie 1802f453ba04SDave Airlie int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, 1803f453ba04SDave Airlie struct drm_display_mode *mode) 1804f453ba04SDave Airlie { 1805f453ba04SDave Airlie struct drm_connector *connector; 1806f453ba04SDave Airlie int ret = 0; 1807f453ba04SDave Airlie struct drm_display_mode *dup_mode; 1808f453ba04SDave Airlie int need_dup = 0; 1809f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1810f453ba04SDave Airlie if (!connector->encoder) 1811f453ba04SDave Airlie break; 1812f453ba04SDave Airlie if (connector->encoder->crtc == crtc) { 1813f453ba04SDave Airlie if (need_dup) 1814f453ba04SDave Airlie dup_mode = drm_mode_duplicate(dev, mode); 1815f453ba04SDave Airlie else 1816f453ba04SDave Airlie dup_mode = mode; 1817f453ba04SDave Airlie ret = drm_mode_attachmode(dev, connector, dup_mode); 1818f453ba04SDave Airlie if (ret) 1819f453ba04SDave Airlie return ret; 1820f453ba04SDave Airlie need_dup = 1; 1821f453ba04SDave Airlie } 1822f453ba04SDave Airlie } 1823f453ba04SDave Airlie return 0; 1824f453ba04SDave Airlie } 1825f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_attachmode_crtc); 1826f453ba04SDave Airlie 1827f453ba04SDave Airlie static int drm_mode_detachmode(struct drm_device *dev, 1828f453ba04SDave Airlie struct drm_connector *connector, 1829f453ba04SDave Airlie struct drm_display_mode *mode) 1830f453ba04SDave Airlie { 1831f453ba04SDave Airlie int found = 0; 1832f453ba04SDave Airlie int ret = 0; 1833f453ba04SDave Airlie struct drm_display_mode *match_mode, *t; 1834f453ba04SDave Airlie 1835f453ba04SDave Airlie list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { 1836f453ba04SDave Airlie if (drm_mode_equal(match_mode, mode)) { 1837f453ba04SDave Airlie list_del(&match_mode->head); 1838f453ba04SDave Airlie drm_mode_destroy(dev, match_mode); 1839f453ba04SDave Airlie found = 1; 1840f453ba04SDave Airlie break; 1841f453ba04SDave Airlie } 1842f453ba04SDave Airlie } 1843f453ba04SDave Airlie 1844f453ba04SDave Airlie if (!found) 1845f453ba04SDave Airlie ret = -EINVAL; 1846f453ba04SDave Airlie 1847f453ba04SDave Airlie return ret; 1848f453ba04SDave Airlie } 1849f453ba04SDave Airlie 1850f453ba04SDave Airlie int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) 1851f453ba04SDave Airlie { 1852f453ba04SDave Airlie struct drm_connector *connector; 1853f453ba04SDave Airlie 1854f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1855f453ba04SDave Airlie drm_mode_detachmode(dev, connector, mode); 1856f453ba04SDave Airlie } 1857f453ba04SDave Airlie return 0; 1858f453ba04SDave Airlie } 1859f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_detachmode_crtc); 1860f453ba04SDave Airlie 1861f453ba04SDave Airlie /** 1862f453ba04SDave Airlie * drm_fb_attachmode - Attach a user mode to an connector 1863f453ba04SDave Airlie * @inode: inode from the ioctl 1864f453ba04SDave Airlie * @filp: file * from the ioctl 1865f453ba04SDave Airlie * @cmd: cmd from ioctl 1866f453ba04SDave Airlie * @arg: arg from ioctl 1867f453ba04SDave Airlie * 1868f453ba04SDave Airlie * This attaches a user specified mode to an connector. 1869f453ba04SDave Airlie * Called by the user via ioctl. 1870f453ba04SDave Airlie * 1871f453ba04SDave Airlie * RETURNS: 1872f453ba04SDave Airlie * Zero on success, errno on failure. 1873f453ba04SDave Airlie */ 1874f453ba04SDave Airlie int drm_mode_attachmode_ioctl(struct drm_device *dev, 1875f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1876f453ba04SDave Airlie { 1877f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 1878f453ba04SDave Airlie struct drm_connector *connector; 1879f453ba04SDave Airlie struct drm_display_mode *mode; 1880f453ba04SDave Airlie struct drm_mode_object *obj; 1881f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 1882f453ba04SDave Airlie int ret = 0; 1883f453ba04SDave Airlie 1884f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1885f453ba04SDave Airlie 1886f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 1887f453ba04SDave Airlie if (!obj) { 1888f453ba04SDave Airlie ret = -EINVAL; 1889f453ba04SDave Airlie goto out; 1890f453ba04SDave Airlie } 1891f453ba04SDave Airlie connector = obj_to_connector(obj); 1892f453ba04SDave Airlie 1893f453ba04SDave Airlie mode = drm_mode_create(dev); 1894f453ba04SDave Airlie if (!mode) { 1895f453ba04SDave Airlie ret = -ENOMEM; 1896f453ba04SDave Airlie goto out; 1897f453ba04SDave Airlie } 1898f453ba04SDave Airlie 1899f453ba04SDave Airlie drm_crtc_convert_umode(mode, umode); 1900f453ba04SDave Airlie 1901f453ba04SDave Airlie ret = drm_mode_attachmode(dev, connector, mode); 1902f453ba04SDave Airlie out: 1903f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1904f453ba04SDave Airlie return ret; 1905f453ba04SDave Airlie } 1906f453ba04SDave Airlie 1907f453ba04SDave Airlie 1908f453ba04SDave Airlie /** 1909f453ba04SDave Airlie * drm_fb_detachmode - Detach a user specified mode from an connector 1910f453ba04SDave Airlie * @inode: inode from the ioctl 1911f453ba04SDave Airlie * @filp: file * from the ioctl 1912f453ba04SDave Airlie * @cmd: cmd from ioctl 1913f453ba04SDave Airlie * @arg: arg from ioctl 1914f453ba04SDave Airlie * 1915f453ba04SDave Airlie * Called by the user via ioctl. 1916f453ba04SDave Airlie * 1917f453ba04SDave Airlie * RETURNS: 1918f453ba04SDave Airlie * Zero on success, errno on failure. 1919f453ba04SDave Airlie */ 1920f453ba04SDave Airlie int drm_mode_detachmode_ioctl(struct drm_device *dev, 1921f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1922f453ba04SDave Airlie { 1923f453ba04SDave Airlie struct drm_mode_object *obj; 1924f453ba04SDave Airlie struct drm_mode_mode_cmd *mode_cmd = data; 1925f453ba04SDave Airlie struct drm_connector *connector; 1926f453ba04SDave Airlie struct drm_display_mode mode; 1927f453ba04SDave Airlie struct drm_mode_modeinfo *umode = &mode_cmd->mode; 1928f453ba04SDave Airlie int ret = 0; 1929f453ba04SDave Airlie 1930f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 1931f453ba04SDave Airlie 1932f453ba04SDave Airlie obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); 1933f453ba04SDave Airlie if (!obj) { 1934f453ba04SDave Airlie ret = -EINVAL; 1935f453ba04SDave Airlie goto out; 1936f453ba04SDave Airlie } 1937f453ba04SDave Airlie connector = obj_to_connector(obj); 1938f453ba04SDave Airlie 1939f453ba04SDave Airlie drm_crtc_convert_umode(&mode, umode); 1940f453ba04SDave Airlie ret = drm_mode_detachmode(dev, connector, &mode); 1941f453ba04SDave Airlie out: 1942f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 1943f453ba04SDave Airlie return ret; 1944f453ba04SDave Airlie } 1945f453ba04SDave Airlie 1946f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 1947f453ba04SDave Airlie const char *name, int num_values) 1948f453ba04SDave Airlie { 1949f453ba04SDave Airlie struct drm_property *property = NULL; 1950f453ba04SDave Airlie 1951f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 1952f453ba04SDave Airlie if (!property) 1953f453ba04SDave Airlie return NULL; 1954f453ba04SDave Airlie 1955f453ba04SDave Airlie if (num_values) { 1956f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 1957f453ba04SDave Airlie if (!property->values) 1958f453ba04SDave Airlie goto fail; 1959f453ba04SDave Airlie } 1960f453ba04SDave Airlie 1961f453ba04SDave Airlie drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 1962f453ba04SDave Airlie property->flags = flags; 1963f453ba04SDave Airlie property->num_values = num_values; 1964f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 1965f453ba04SDave Airlie 1966f453ba04SDave Airlie if (name) 1967f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 1968f453ba04SDave Airlie 1969f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 1970f453ba04SDave Airlie return property; 1971f453ba04SDave Airlie fail: 1972f453ba04SDave Airlie kfree(property); 1973f453ba04SDave Airlie return NULL; 1974f453ba04SDave Airlie } 1975f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 1976f453ba04SDave Airlie 1977f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 1978f453ba04SDave Airlie uint64_t value, const char *name) 1979f453ba04SDave Airlie { 1980f453ba04SDave Airlie struct drm_property_enum *prop_enum; 1981f453ba04SDave Airlie 1982f453ba04SDave Airlie if (!(property->flags & DRM_MODE_PROP_ENUM)) 1983f453ba04SDave Airlie return -EINVAL; 1984f453ba04SDave Airlie 1985f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 1986f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 1987f453ba04SDave Airlie if (prop_enum->value == value) { 1988f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 1989f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 1990f453ba04SDave Airlie return 0; 1991f453ba04SDave Airlie } 1992f453ba04SDave Airlie } 1993f453ba04SDave Airlie } 1994f453ba04SDave Airlie 1995f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 1996f453ba04SDave Airlie if (!prop_enum) 1997f453ba04SDave Airlie return -ENOMEM; 1998f453ba04SDave Airlie 1999f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 2000f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 2001f453ba04SDave Airlie prop_enum->value = value; 2002f453ba04SDave Airlie 2003f453ba04SDave Airlie property->values[index] = value; 2004f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 2005f453ba04SDave Airlie return 0; 2006f453ba04SDave Airlie } 2007f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 2008f453ba04SDave Airlie 2009f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 2010f453ba04SDave Airlie { 2011f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 2012f453ba04SDave Airlie 2013f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 2014f453ba04SDave Airlie list_del(&prop_enum->head); 2015f453ba04SDave Airlie kfree(prop_enum); 2016f453ba04SDave Airlie } 2017f453ba04SDave Airlie 2018f453ba04SDave Airlie if (property->num_values) 2019f453ba04SDave Airlie kfree(property->values); 2020f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 2021f453ba04SDave Airlie list_del(&property->head); 2022f453ba04SDave Airlie kfree(property); 2023f453ba04SDave Airlie } 2024f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 2025f453ba04SDave Airlie 2026f453ba04SDave Airlie int drm_connector_attach_property(struct drm_connector *connector, 2027f453ba04SDave Airlie struct drm_property *property, uint64_t init_val) 2028f453ba04SDave Airlie { 2029f453ba04SDave Airlie int i; 2030f453ba04SDave Airlie 2031f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2032f453ba04SDave Airlie if (connector->property_ids[i] == 0) { 2033f453ba04SDave Airlie connector->property_ids[i] = property->base.id; 2034f453ba04SDave Airlie connector->property_values[i] = init_val; 2035f453ba04SDave Airlie break; 2036f453ba04SDave Airlie } 2037f453ba04SDave Airlie } 2038f453ba04SDave Airlie 2039f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2040f453ba04SDave Airlie return -EINVAL; 2041f453ba04SDave Airlie return 0; 2042f453ba04SDave Airlie } 2043f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_attach_property); 2044f453ba04SDave Airlie 2045f453ba04SDave Airlie int drm_connector_property_set_value(struct drm_connector *connector, 2046f453ba04SDave Airlie struct drm_property *property, uint64_t value) 2047f453ba04SDave Airlie { 2048f453ba04SDave Airlie int i; 2049f453ba04SDave Airlie 2050f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2051f453ba04SDave Airlie if (connector->property_ids[i] == property->base.id) { 2052f453ba04SDave Airlie connector->property_values[i] = value; 2053f453ba04SDave Airlie break; 2054f453ba04SDave Airlie } 2055f453ba04SDave Airlie } 2056f453ba04SDave Airlie 2057f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2058f453ba04SDave Airlie return -EINVAL; 2059f453ba04SDave Airlie return 0; 2060f453ba04SDave Airlie } 2061f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_property_set_value); 2062f453ba04SDave Airlie 2063f453ba04SDave Airlie int drm_connector_property_get_value(struct drm_connector *connector, 2064f453ba04SDave Airlie struct drm_property *property, uint64_t *val) 2065f453ba04SDave Airlie { 2066f453ba04SDave Airlie int i; 2067f453ba04SDave Airlie 2068f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2069f453ba04SDave Airlie if (connector->property_ids[i] == property->base.id) { 2070f453ba04SDave Airlie *val = connector->property_values[i]; 2071f453ba04SDave Airlie break; 2072f453ba04SDave Airlie } 2073f453ba04SDave Airlie } 2074f453ba04SDave Airlie 2075f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) 2076f453ba04SDave Airlie return -EINVAL; 2077f453ba04SDave Airlie return 0; 2078f453ba04SDave Airlie } 2079f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_property_get_value); 2080f453ba04SDave Airlie 2081f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 2082f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2083f453ba04SDave Airlie { 2084f453ba04SDave Airlie struct drm_mode_object *obj; 2085f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 2086f453ba04SDave Airlie struct drm_property *property; 2087f453ba04SDave Airlie int enum_count = 0; 2088f453ba04SDave Airlie int blob_count = 0; 2089f453ba04SDave Airlie int value_count = 0; 2090f453ba04SDave Airlie int ret = 0, i; 2091f453ba04SDave Airlie int copied; 2092f453ba04SDave Airlie struct drm_property_enum *prop_enum; 2093f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 2094f453ba04SDave Airlie struct drm_property_blob *prop_blob; 2095f453ba04SDave Airlie uint32_t *blob_id_ptr; 2096f453ba04SDave Airlie uint64_t __user *values_ptr; 2097f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 2098f453ba04SDave Airlie 2099f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2100f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2101f453ba04SDave Airlie if (!obj) { 2102f453ba04SDave Airlie ret = -EINVAL; 2103f453ba04SDave Airlie goto done; 2104f453ba04SDave Airlie } 2105f453ba04SDave Airlie property = obj_to_property(obj); 2106f453ba04SDave Airlie 2107f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_ENUM) { 2108f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 2109f453ba04SDave Airlie enum_count++; 2110f453ba04SDave Airlie } else if (property->flags & DRM_MODE_PROP_BLOB) { 2111f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 2112f453ba04SDave Airlie blob_count++; 2113f453ba04SDave Airlie } 2114f453ba04SDave Airlie 2115f453ba04SDave Airlie value_count = property->num_values; 2116f453ba04SDave Airlie 2117f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 2118f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 2119f453ba04SDave Airlie out_resp->flags = property->flags; 2120f453ba04SDave Airlie 2121f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 2122f453ba04SDave Airlie values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr; 2123f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 2124f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 2125f453ba04SDave Airlie ret = -EFAULT; 2126f453ba04SDave Airlie goto done; 2127f453ba04SDave Airlie } 2128f453ba04SDave Airlie } 2129f453ba04SDave Airlie } 2130f453ba04SDave Airlie out_resp->count_values = value_count; 2131f453ba04SDave Airlie 2132f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_ENUM) { 2133f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 2134f453ba04SDave Airlie copied = 0; 2135f453ba04SDave Airlie enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr; 2136f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 2137f453ba04SDave Airlie 2138f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 2139f453ba04SDave Airlie ret = -EFAULT; 2140f453ba04SDave Airlie goto done; 2141f453ba04SDave Airlie } 2142f453ba04SDave Airlie 2143f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 2144f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 2145f453ba04SDave Airlie ret = -EFAULT; 2146f453ba04SDave Airlie goto done; 2147f453ba04SDave Airlie } 2148f453ba04SDave Airlie copied++; 2149f453ba04SDave Airlie } 2150f453ba04SDave Airlie } 2151f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 2152f453ba04SDave Airlie } 2153f453ba04SDave Airlie 2154f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_BLOB) { 2155f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 2156f453ba04SDave Airlie copied = 0; 2157f453ba04SDave Airlie blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr; 2158f453ba04SDave Airlie blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr; 2159f453ba04SDave Airlie 2160f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 2161f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 2162f453ba04SDave Airlie ret = -EFAULT; 2163f453ba04SDave Airlie goto done; 2164f453ba04SDave Airlie } 2165f453ba04SDave Airlie 2166f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 2167f453ba04SDave Airlie ret = -EFAULT; 2168f453ba04SDave Airlie goto done; 2169f453ba04SDave Airlie } 2170f453ba04SDave Airlie 2171f453ba04SDave Airlie copied++; 2172f453ba04SDave Airlie } 2173f453ba04SDave Airlie } 2174f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 2175f453ba04SDave Airlie } 2176f453ba04SDave Airlie done: 2177f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2178f453ba04SDave Airlie return ret; 2179f453ba04SDave Airlie } 2180f453ba04SDave Airlie 2181f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 2182f453ba04SDave Airlie void *data) 2183f453ba04SDave Airlie { 2184f453ba04SDave Airlie struct drm_property_blob *blob; 2185f453ba04SDave Airlie 2186f453ba04SDave Airlie if (!length || !data) 2187f453ba04SDave Airlie return NULL; 2188f453ba04SDave Airlie 2189f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 2190f453ba04SDave Airlie if (!blob) 2191f453ba04SDave Airlie return NULL; 2192f453ba04SDave Airlie 2193f453ba04SDave Airlie blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); 2194f453ba04SDave Airlie blob->length = length; 2195f453ba04SDave Airlie 2196f453ba04SDave Airlie memcpy(blob->data, data, length); 2197f453ba04SDave Airlie 2198f453ba04SDave Airlie drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 2199f453ba04SDave Airlie 2200f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 2201f453ba04SDave Airlie return blob; 2202f453ba04SDave Airlie } 2203f453ba04SDave Airlie 2204f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 2205f453ba04SDave Airlie struct drm_property_blob *blob) 2206f453ba04SDave Airlie { 2207f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 2208f453ba04SDave Airlie list_del(&blob->head); 2209f453ba04SDave Airlie kfree(blob); 2210f453ba04SDave Airlie } 2211f453ba04SDave Airlie 2212f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 2213f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2214f453ba04SDave Airlie { 2215f453ba04SDave Airlie struct drm_mode_object *obj; 2216f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 2217f453ba04SDave Airlie struct drm_property_blob *blob; 2218f453ba04SDave Airlie int ret = 0; 2219f453ba04SDave Airlie void *blob_ptr; 2220f453ba04SDave Airlie 2221f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2222f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); 2223f453ba04SDave Airlie if (!obj) { 2224f453ba04SDave Airlie ret = -EINVAL; 2225f453ba04SDave Airlie goto done; 2226f453ba04SDave Airlie } 2227f453ba04SDave Airlie blob = obj_to_blob(obj); 2228f453ba04SDave Airlie 2229f453ba04SDave Airlie if (out_resp->length == blob->length) { 2230f453ba04SDave Airlie blob_ptr = (void *)(unsigned long)out_resp->data; 2231f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 2232f453ba04SDave Airlie ret = -EFAULT; 2233f453ba04SDave Airlie goto done; 2234f453ba04SDave Airlie } 2235f453ba04SDave Airlie } 2236f453ba04SDave Airlie out_resp->length = blob->length; 2237f453ba04SDave Airlie 2238f453ba04SDave Airlie done: 2239f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2240f453ba04SDave Airlie return ret; 2241f453ba04SDave Airlie } 2242f453ba04SDave Airlie 2243f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 2244f453ba04SDave Airlie struct edid *edid) 2245f453ba04SDave Airlie { 2246f453ba04SDave Airlie struct drm_device *dev = connector->dev; 2247f453ba04SDave Airlie int ret = 0; 2248f453ba04SDave Airlie 2249f453ba04SDave Airlie if (connector->edid_blob_ptr) 2250f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 2251f453ba04SDave Airlie 2252f453ba04SDave Airlie /* Delete edid, when there is none. */ 2253f453ba04SDave Airlie if (!edid) { 2254f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 2255f453ba04SDave Airlie ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); 2256f453ba04SDave Airlie return ret; 2257f453ba04SDave Airlie } 2258f453ba04SDave Airlie 2259f453ba04SDave Airlie connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 128, edid); 2260f453ba04SDave Airlie 2261f453ba04SDave Airlie ret = drm_connector_property_set_value(connector, 2262f453ba04SDave Airlie dev->mode_config.edid_property, 2263f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 2264f453ba04SDave Airlie 2265f453ba04SDave Airlie return ret; 2266f453ba04SDave Airlie } 2267f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 2268f453ba04SDave Airlie 2269f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 2270f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2271f453ba04SDave Airlie { 2272f453ba04SDave Airlie struct drm_mode_connector_set_property *out_resp = data; 2273f453ba04SDave Airlie struct drm_mode_object *obj; 2274f453ba04SDave Airlie struct drm_property *property; 2275f453ba04SDave Airlie struct drm_connector *connector; 2276f453ba04SDave Airlie int ret = -EINVAL; 2277f453ba04SDave Airlie int i; 2278f453ba04SDave Airlie 2279f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2280f453ba04SDave Airlie 2281f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); 2282f453ba04SDave Airlie if (!obj) { 2283f453ba04SDave Airlie goto out; 2284f453ba04SDave Airlie } 2285f453ba04SDave Airlie connector = obj_to_connector(obj); 2286f453ba04SDave Airlie 2287f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { 2288f453ba04SDave Airlie if (connector->property_ids[i] == out_resp->prop_id) 2289f453ba04SDave Airlie break; 2290f453ba04SDave Airlie } 2291f453ba04SDave Airlie 2292f453ba04SDave Airlie if (i == DRM_CONNECTOR_MAX_PROPERTY) { 2293f453ba04SDave Airlie goto out; 2294f453ba04SDave Airlie } 2295f453ba04SDave Airlie 2296f453ba04SDave Airlie obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); 2297f453ba04SDave Airlie if (!obj) { 2298f453ba04SDave Airlie goto out; 2299f453ba04SDave Airlie } 2300f453ba04SDave Airlie property = obj_to_property(obj); 2301f453ba04SDave Airlie 2302f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_IMMUTABLE) 2303f453ba04SDave Airlie goto out; 2304f453ba04SDave Airlie 2305f453ba04SDave Airlie if (property->flags & DRM_MODE_PROP_RANGE) { 2306f453ba04SDave Airlie if (out_resp->value < property->values[0]) 2307f453ba04SDave Airlie goto out; 2308f453ba04SDave Airlie 2309f453ba04SDave Airlie if (out_resp->value > property->values[1]) 2310f453ba04SDave Airlie goto out; 2311f453ba04SDave Airlie } else { 2312f453ba04SDave Airlie int found = 0; 2313f453ba04SDave Airlie for (i = 0; i < property->num_values; i++) { 2314f453ba04SDave Airlie if (property->values[i] == out_resp->value) { 2315f453ba04SDave Airlie found = 1; 2316f453ba04SDave Airlie break; 2317f453ba04SDave Airlie } 2318f453ba04SDave Airlie } 2319f453ba04SDave Airlie if (!found) { 2320f453ba04SDave Airlie goto out; 2321f453ba04SDave Airlie } 2322f453ba04SDave Airlie } 2323f453ba04SDave Airlie 2324c9fb15f6SKeith Packard /* Do DPMS ourselves */ 2325c9fb15f6SKeith Packard if (property == connector->dev->mode_config.dpms_property) { 2326c9fb15f6SKeith Packard if (connector->funcs->dpms) 2327c9fb15f6SKeith Packard (*connector->funcs->dpms)(connector, (int) out_resp->value); 2328c9fb15f6SKeith Packard ret = 0; 2329c9fb15f6SKeith Packard } else if (connector->funcs->set_property) 2330f453ba04SDave Airlie ret = connector->funcs->set_property(connector, property, out_resp->value); 2331f453ba04SDave Airlie 2332f453ba04SDave Airlie /* store the property value if succesful */ 2333f453ba04SDave Airlie if (!ret) 2334f453ba04SDave Airlie drm_connector_property_set_value(connector, property, out_resp->value); 2335f453ba04SDave Airlie out: 2336f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2337f453ba04SDave Airlie return ret; 2338f453ba04SDave Airlie } 2339f453ba04SDave Airlie 2340f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 2341f453ba04SDave Airlie struct drm_encoder *encoder) 2342f453ba04SDave Airlie { 2343f453ba04SDave Airlie int i; 2344f453ba04SDave Airlie 2345f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2346f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 2347f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 2348f453ba04SDave Airlie return 0; 2349f453ba04SDave Airlie } 2350f453ba04SDave Airlie } 2351f453ba04SDave Airlie return -ENOMEM; 2352f453ba04SDave Airlie } 2353f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 2354f453ba04SDave Airlie 2355f453ba04SDave Airlie void drm_mode_connector_detach_encoder(struct drm_connector *connector, 2356f453ba04SDave Airlie struct drm_encoder *encoder) 2357f453ba04SDave Airlie { 2358f453ba04SDave Airlie int i; 2359f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2360f453ba04SDave Airlie if (connector->encoder_ids[i] == encoder->base.id) { 2361f453ba04SDave Airlie connector->encoder_ids[i] = 0; 2362f453ba04SDave Airlie if (connector->encoder == encoder) 2363f453ba04SDave Airlie connector->encoder = NULL; 2364f453ba04SDave Airlie break; 2365f453ba04SDave Airlie } 2366f453ba04SDave Airlie } 2367f453ba04SDave Airlie } 2368f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_detach_encoder); 2369f453ba04SDave Airlie 2370f453ba04SDave Airlie bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 2371f453ba04SDave Airlie int gamma_size) 2372f453ba04SDave Airlie { 2373f453ba04SDave Airlie crtc->gamma_size = gamma_size; 2374f453ba04SDave Airlie 2375f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 2376f453ba04SDave Airlie if (!crtc->gamma_store) { 2377f453ba04SDave Airlie crtc->gamma_size = 0; 2378f453ba04SDave Airlie return false; 2379f453ba04SDave Airlie } 2380f453ba04SDave Airlie 2381f453ba04SDave Airlie return true; 2382f453ba04SDave Airlie } 2383f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 2384f453ba04SDave Airlie 2385f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 2386f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2387f453ba04SDave Airlie { 2388f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 2389f453ba04SDave Airlie struct drm_mode_object *obj; 2390f453ba04SDave Airlie struct drm_crtc *crtc; 2391f453ba04SDave Airlie void *r_base, *g_base, *b_base; 2392f453ba04SDave Airlie int size; 2393f453ba04SDave Airlie int ret = 0; 2394f453ba04SDave Airlie 2395f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2396f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 2397f453ba04SDave Airlie if (!obj) { 2398f453ba04SDave Airlie ret = -EINVAL; 2399f453ba04SDave Airlie goto out; 2400f453ba04SDave Airlie } 2401f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2402f453ba04SDave Airlie 2403f453ba04SDave Airlie /* memcpy into gamma store */ 2404f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 2405f453ba04SDave Airlie ret = -EINVAL; 2406f453ba04SDave Airlie goto out; 2407f453ba04SDave Airlie } 2408f453ba04SDave Airlie 2409f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 2410f453ba04SDave Airlie r_base = crtc->gamma_store; 2411f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 2412f453ba04SDave Airlie ret = -EFAULT; 2413f453ba04SDave Airlie goto out; 2414f453ba04SDave Airlie } 2415f453ba04SDave Airlie 2416f453ba04SDave Airlie g_base = r_base + size; 2417f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 2418f453ba04SDave Airlie ret = -EFAULT; 2419f453ba04SDave Airlie goto out; 2420f453ba04SDave Airlie } 2421f453ba04SDave Airlie 2422f453ba04SDave Airlie b_base = g_base + size; 2423f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 2424f453ba04SDave Airlie ret = -EFAULT; 2425f453ba04SDave Airlie goto out; 2426f453ba04SDave Airlie } 2427f453ba04SDave Airlie 2428f453ba04SDave Airlie crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size); 2429f453ba04SDave Airlie 2430f453ba04SDave Airlie out: 2431f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2432f453ba04SDave Airlie return ret; 2433f453ba04SDave Airlie 2434f453ba04SDave Airlie } 2435f453ba04SDave Airlie 2436f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 2437f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2438f453ba04SDave Airlie { 2439f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 2440f453ba04SDave Airlie struct drm_mode_object *obj; 2441f453ba04SDave Airlie struct drm_crtc *crtc; 2442f453ba04SDave Airlie void *r_base, *g_base, *b_base; 2443f453ba04SDave Airlie int size; 2444f453ba04SDave Airlie int ret = 0; 2445f453ba04SDave Airlie 2446f453ba04SDave Airlie mutex_lock(&dev->mode_config.mutex); 2447f453ba04SDave Airlie obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); 2448f453ba04SDave Airlie if (!obj) { 2449f453ba04SDave Airlie ret = -EINVAL; 2450f453ba04SDave Airlie goto out; 2451f453ba04SDave Airlie } 2452f453ba04SDave Airlie crtc = obj_to_crtc(obj); 2453f453ba04SDave Airlie 2454f453ba04SDave Airlie /* memcpy into gamma store */ 2455f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 2456f453ba04SDave Airlie ret = -EINVAL; 2457f453ba04SDave Airlie goto out; 2458f453ba04SDave Airlie } 2459f453ba04SDave Airlie 2460f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 2461f453ba04SDave Airlie r_base = crtc->gamma_store; 2462f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 2463f453ba04SDave Airlie ret = -EFAULT; 2464f453ba04SDave Airlie goto out; 2465f453ba04SDave Airlie } 2466f453ba04SDave Airlie 2467f453ba04SDave Airlie g_base = r_base + size; 2468f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 2469f453ba04SDave Airlie ret = -EFAULT; 2470f453ba04SDave Airlie goto out; 2471f453ba04SDave Airlie } 2472f453ba04SDave Airlie 2473f453ba04SDave Airlie b_base = g_base + size; 2474f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 2475f453ba04SDave Airlie ret = -EFAULT; 2476f453ba04SDave Airlie goto out; 2477f453ba04SDave Airlie } 2478f453ba04SDave Airlie out: 2479f453ba04SDave Airlie mutex_unlock(&dev->mode_config.mutex); 2480f453ba04SDave Airlie return ret; 2481f453ba04SDave Airlie } 2482