| /************************************************************************** |
| * |
| * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #include "vmwgfx_kms.h" |
| |
| #define vmw_crtc_to_ldu(x) \ |
| container_of(x, struct vmw_legacy_display_unit, base.crtc) |
| #define vmw_encoder_to_ldu(x) \ |
| container_of(x, struct vmw_legacy_display_unit, base.encoder) |
| #define vmw_connector_to_ldu(x) \ |
| container_of(x, struct vmw_legacy_display_unit, base.connector) |
| |
| struct vmw_legacy_display { |
| struct list_head active; |
| |
| unsigned num_active; |
| |
| struct vmw_framebuffer *fb; |
| }; |
| |
| /** |
| * Display unit using the legacy register interface. |
| */ |
| struct vmw_legacy_display_unit { |
| struct vmw_display_unit base; |
| |
| struct list_head active; |
| |
| unsigned unit; |
| }; |
| |
| static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu) |
| { |
| list_del_init(&ldu->active); |
| vmw_display_unit_cleanup(&ldu->base); |
| kfree(ldu); |
| } |
| |
| |
| /* |
| * Legacy Display Unit CRTC functions |
| */ |
| |
| static void vmw_ldu_crtc_save(struct drm_crtc *crtc) |
| { |
| } |
| |
| static void vmw_ldu_crtc_restore(struct drm_crtc *crtc) |
| { |
| } |
| |
| static void vmw_ldu_crtc_gamma_set(struct drm_crtc *crtc, |
| u16 *r, u16 *g, u16 *b, |
| uint32_t size) |
| { |
| } |
| |
| static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc) |
| { |
| vmw_ldu_destroy(vmw_crtc_to_ldu(crtc)); |
| } |
| |
| static int vmw_ldu_commit_list(struct vmw_private *dev_priv) |
| { |
| struct vmw_legacy_display *lds = dev_priv->ldu_priv; |
| struct vmw_legacy_display_unit *entry; |
| struct drm_crtc *crtc; |
| int i = 0; |
| |
| /* to stop the screen from changing size on resize */ |
| vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 0); |
| for (i = 0; i < lds->num_active; i++) { |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, 0); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, 0); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, 0); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, 0); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); |
| } |
| |
| /* Now set the mode */ |
| vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, lds->num_active); |
| i = 0; |
| list_for_each_entry(entry, &lds->active, active) { |
| crtc = &entry->base.crtc; |
| |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay); |
| vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); |
| |
| i++; |
| } |
| |
| return 0; |
| } |
| |
| static int vmw_ldu_del_active(struct vmw_private *vmw_priv, |
| struct vmw_legacy_display_unit *ldu) |
| { |
| struct vmw_legacy_display *ld = vmw_priv->ldu_priv; |
| if (list_empty(&ldu->active)) |
| return 0; |
| |
| /* Must init otherwise list_empty(&ldu->active) will not work. */ |
| list_del_init(&ldu->active); |
| if (--(ld->num_active) == 0) { |
| BUG_ON(!ld->fb); |
| if (ld->fb->unpin) |
| ld->fb->unpin(ld->fb); |
| ld->fb = NULL; |
| } |
| |
| return 0; |
| } |
| |
| static int vmw_ldu_add_active(struct vmw_private *vmw_priv, |
| struct vmw_legacy_display_unit *ldu, |
| struct vmw_framebuffer *vfb) |
| { |
| struct vmw_legacy_display *ld = vmw_priv->ldu_priv; |
| struct vmw_legacy_display_unit *entry; |
| struct list_head *at; |
| |
| if (!list_empty(&ldu->active)) |
| return 0; |
| |
| at = &ld->active; |
| list_for_each_entry(entry, &ld->active, active) { |
| if (entry->unit > ldu->unit) |
| break; |
| |
| at = &entry->active; |
| } |
| |
| list_add(&ldu->active, at); |
| if (ld->num_active++ == 0) { |
| BUG_ON(ld->fb); |
| if (vfb->pin) |
| vfb->pin(vfb); |
| ld->fb = vfb; |
| } |
| |
| return 0; |
| } |
| |
| static int vmw_ldu_crtc_set_config(struct drm_mode_set *set) |
| { |
| struct vmw_private *dev_priv; |
| struct vmw_legacy_display_unit *ldu; |
| struct drm_connector *connector; |
| struct drm_display_mode *mode; |
| struct drm_encoder *encoder; |
| struct vmw_framebuffer *vfb; |
| struct drm_framebuffer *fb; |
| struct drm_crtc *crtc; |
| |
| if (!set) |
| return -EINVAL; |
| |
| if (!set->crtc) |
| return -EINVAL; |
| |
| /* get the ldu */ |
| crtc = set->crtc; |
| ldu = vmw_crtc_to_ldu(crtc); |
| vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL; |
| dev_priv = vmw_priv(crtc->dev); |
| |
| if (set->num_connectors > 1) { |
| DRM_ERROR("to many connectors\n"); |
| return -EINVAL; |
| } |
| |
| if (set->num_connectors == 1 && |
| set->connectors[0] != &ldu->base.connector) { |
| DRM_ERROR("connector doesn't match %p %p\n", |
| set->connectors[0], &ldu->base.connector); |
| return -EINVAL; |
| } |
| |
| /* ldu only supports one fb active at the time */ |
| if (dev_priv->ldu_priv->fb && vfb && |
| !(dev_priv->ldu_priv->num_active == 1 && |
| !list_empty(&ldu->active)) && |
| dev_priv->ldu_priv->fb != vfb) { |
| DRM_ERROR("Multiple framebuffers not supported\n"); |
| return -EINVAL; |
| } |
| |
| /* since they always map one to one these are safe */ |
| connector = &ldu->base.connector; |
| encoder = &ldu->base.encoder; |
| |
| /* should we turn the crtc off? */ |
| if (set->num_connectors == 0 || !set->mode || !set->fb) { |
| |
| connector->encoder = NULL; |
| encoder->crtc = NULL; |
| crtc->fb = NULL; |
| |
| vmw_ldu_del_active(dev_priv, ldu); |
| |
| vmw_ldu_commit_list(dev_priv); |
| |
| return 0; |
| } |
| |
| |
| /* we now know we want to set a mode */ |
| mode = set->mode; |
| fb = set->fb; |
| |
| if (set->x + mode->hdisplay > fb->width || |
| set->y + mode->vdisplay > fb->height) { |
| DRM_ERROR("set outside of framebuffer\n"); |
| return -EINVAL; |
| } |
| |
| vmw_fb_off(dev_priv); |
| |
| crtc->fb = fb; |
| encoder->crtc = crtc; |
| connector->encoder = encoder; |
| crtc->x = set->x; |
| crtc->y = set->y; |
| crtc->mode = *mode; |
| |
| vmw_ldu_add_active(dev_priv, ldu, vfb); |
| |
| vmw_ldu_commit_list(dev_priv); |
| |
| return 0; |
| } |
| |
| static struct drm_crtc_funcs vmw_legacy_crtc_funcs = { |
| .save = vmw_ldu_crtc_save, |
| .restore = vmw_ldu_crtc_restore, |
| .cursor_set = vmw_du_crtc_cursor_set, |
| .cursor_move = vmw_du_crtc_cursor_move, |
| .gamma_set = vmw_ldu_crtc_gamma_set, |
| .destroy = vmw_ldu_crtc_destroy, |
| .set_config = vmw_ldu_crtc_set_config, |
| }; |
| |
| /* |
| * Legacy Display Unit encoder functions |
| */ |
| |
| static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder) |
| { |
| vmw_ldu_destroy(vmw_encoder_to_ldu(encoder)); |
| } |
| |
| static struct drm_encoder_funcs vmw_legacy_encoder_funcs = { |
| .destroy = vmw_ldu_encoder_destroy, |
| }; |
| |
| /* |
| * Legacy Display Unit connector functions |
| */ |
| |
| static void vmw_ldu_connector_dpms(struct drm_connector *connector, int mode) |
| { |
| } |
| |
| static void vmw_ldu_connector_save(struct drm_connector *connector) |
| { |
| } |
| |
| static void vmw_ldu_connector_restore(struct drm_connector *connector) |
| { |
| } |
| |
| static enum drm_connector_status |
| vmw_ldu_connector_detect(struct drm_connector *connector) |
| { |
| /* XXX vmwctrl should control connection status */ |
| if (vmw_connector_to_ldu(connector)->base.unit == 0) |
| return connector_status_connected; |
| return connector_status_disconnected; |
| } |
| |
| static struct drm_display_mode vmw_ldu_connector_builtin[] = { |
| /* 640x480@60Hz */ |
| { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, |
| 752, 800, 0, 480, 489, 492, 525, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, |
| /* 800x600@60Hz */ |
| { DRM_MODE("800x600", |
| DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, |
| 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628, |
| 0, DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1024x768@60Hz */ |
| { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, |
| 1184, 1344, 0, 768, 771, 777, 806, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, |
| /* 1152x864@75Hz */ |
| { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, |
| 1344, 1600, 0, 864, 865, 868, 900, 0, |
| DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1280x768@60Hz */ |
| { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, |
| 1472, 1664, 0, 768, 771, 778, 798, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1280x800@60Hz */ |
| { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, |
| 1480, 1680, 0, 800, 803, 809, 831, 0, |
| DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, |
| /* 1280x960@60Hz */ |
| { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, |
| 1488, 1800, 0, 960, 961, 964, 1000, 0, |
| DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1280x1024@60Hz */ |
| { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, |
| 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, |
| DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1360x768@60Hz */ |
| { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, |
| 1536, 1792, 0, 768, 771, 777, 795, 0, |
| DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1440x1050@60Hz */ |
| { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, |
| 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1440x900@60Hz */ |
| { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, |
| 1672, 1904, 0, 900, 903, 909, 934, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1600x1200@60Hz */ |
| { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, |
| 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, |
| DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1680x1050@60Hz */ |
| { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, |
| 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1792x1344@60Hz */ |
| { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, |
| 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1853x1392@60Hz */ |
| { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, |
| 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1920x1200@60Hz */ |
| { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, |
| 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 1920x1440@60Hz */ |
| { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, |
| 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* 2560x1600@60Hz */ |
| { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, |
| 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, |
| DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
| /* Terminate */ |
| { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, |
| }; |
| |
| static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, |
| uint32_t max_width, uint32_t max_height) |
| { |
| struct drm_device *dev = connector->dev; |
| struct drm_display_mode *mode = NULL; |
| int i; |
| |
| for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) { |
| if (vmw_ldu_connector_builtin[i].hdisplay > max_width || |
| vmw_ldu_connector_builtin[i].vdisplay > max_height) |
| continue; |
| |
| mode = drm_mode_duplicate(dev, &vmw_ldu_connector_builtin[i]); |
| if (!mode) |
| return 0; |
| mode->vrefresh = drm_mode_vrefresh(mode); |
| |
| drm_mode_probed_add(connector, mode); |
| } |
| |
| drm_mode_connector_list_update(connector); |
| |
| return 1; |
| } |
| |
| static int vmw_ldu_connector_set_property(struct drm_connector *connector, |
| struct drm_property *property, |
| uint64_t val) |
| { |
| return 0; |
| } |
| |
| static void vmw_ldu_connector_destroy(struct drm_connector *connector) |
| { |
| vmw_ldu_destroy(vmw_connector_to_ldu(connector)); |
| } |
| |
| static struct drm_connector_funcs vmw_legacy_connector_funcs = { |
| .dpms = vmw_ldu_connector_dpms, |
| .save = vmw_ldu_connector_save, |
| .restore = vmw_ldu_connector_restore, |
| .detect = vmw_ldu_connector_detect, |
| .fill_modes = vmw_ldu_connector_fill_modes, |
| .set_property = vmw_ldu_connector_set_property, |
| .destroy = vmw_ldu_connector_destroy, |
| }; |
| |
| static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) |
| { |
| struct vmw_legacy_display_unit *ldu; |
| struct drm_device *dev = dev_priv->dev; |
| struct drm_connector *connector; |
| struct drm_encoder *encoder; |
| struct drm_crtc *crtc; |
| |
| ldu = kzalloc(sizeof(*ldu), GFP_KERNEL); |
| if (!ldu) |
| return -ENOMEM; |
| |
| ldu->unit = unit; |
| crtc = &ldu->base.crtc; |
| encoder = &ldu->base.encoder; |
| connector = &ldu->base.connector; |
| |
| drm_connector_init(dev, connector, &vmw_legacy_connector_funcs, |
| DRM_MODE_CONNECTOR_LVDS); |
| /* Initial status */ |
| if (unit == 0) |
| connector->status = connector_status_connected; |
| else |
| connector->status = connector_status_disconnected; |
| |
| drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs, |
| DRM_MODE_ENCODER_LVDS); |
| drm_mode_connector_attach_encoder(connector, encoder); |
| encoder->possible_crtcs = (1 << unit); |
| encoder->possible_clones = 0; |
| |
| INIT_LIST_HEAD(&ldu->active); |
| |
| drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs); |
| |
| drm_connector_attach_property(connector, |
| dev->mode_config.dirty_info_property, |
| 1); |
| |
| return 0; |
| } |
| |
| int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) |
| { |
| if (dev_priv->ldu_priv) { |
| DRM_INFO("ldu system already on\n"); |
| return -EINVAL; |
| } |
| |
| dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv)); |
| |
| if (!dev_priv->ldu_priv) |
| return -ENOMEM; |
| |
| INIT_LIST_HEAD(&dev_priv->ldu_priv->active); |
| dev_priv->ldu_priv->num_active = 0; |
| dev_priv->ldu_priv->fb = NULL; |
| |
| drm_mode_create_dirty_info_property(dev_priv->dev); |
| |
| vmw_ldu_init(dev_priv, 0); |
| vmw_ldu_init(dev_priv, 1); |
| vmw_ldu_init(dev_priv, 2); |
| vmw_ldu_init(dev_priv, 3); |
| vmw_ldu_init(dev_priv, 4); |
| vmw_ldu_init(dev_priv, 5); |
| vmw_ldu_init(dev_priv, 6); |
| vmw_ldu_init(dev_priv, 7); |
| |
| return 0; |
| } |
| |
| int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv) |
| { |
| if (!dev_priv->ldu_priv) |
| return -ENOSYS; |
| |
| BUG_ON(!list_empty(&dev_priv->ldu_priv->active)); |
| |
| kfree(dev_priv->ldu_priv); |
| |
| return 0; |
| } |