Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 1 | /* vim: set ts=8 sw=8 tw=78 ai noexpandtab */ |
| 2 | /* qxl_drv.c -- QXL driver -*- linux-c -*- |
| 3 | * |
| 4 | * Copyright 2011 Red Hat, Inc. |
| 5 | * All Rights Reserved. |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | * copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation |
| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
| 12 | * Software is furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the next |
| 15 | * paragraph) shall be included in all copies or substantial portions of the |
| 16 | * Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 21 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 22 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 23 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 24 | * OTHER DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | * Authors: |
| 27 | * Dave Airlie <airlie@redhat.com> |
| 28 | * Alon Levy <alevy@redhat.com> |
| 29 | */ |
| 30 | |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/console.h> |
| 33 | |
| 34 | #include "drmP.h" |
| 35 | #include "drm/drm.h" |
Dave Airlie | d84300b | 2013-07-04 15:02:33 +1000 | [diff] [blame] | 36 | #include "drm_crtc_helper.h" |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 37 | #include "qxl_drv.h" |
Dave Airlie | d84300b | 2013-07-04 15:02:33 +1000 | [diff] [blame] | 38 | #include "qxl_object.h" |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 39 | |
| 40 | extern int qxl_max_ioctls; |
| 41 | static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { |
| 42 | { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, |
| 43 | 0xffff00, 0 }, |
| 44 | { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8, |
| 45 | 0xffff00, 0 }, |
| 46 | { 0, 0, 0 }, |
| 47 | }; |
| 48 | MODULE_DEVICE_TABLE(pci, pciidlist); |
| 49 | |
Dave Airlie | 6d01f1f | 2013-04-16 13:24:25 +1000 | [diff] [blame] | 50 | static int qxl_modeset = -1; |
Dave Airlie | 07f8d9b | 2013-07-02 06:37:13 +0100 | [diff] [blame] | 51 | int qxl_num_crtc = 4; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 52 | |
| 53 | MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); |
| 54 | module_param_named(modeset, qxl_modeset, int, 0400); |
| 55 | |
Dave Airlie | 07f8d9b | 2013-07-02 06:37:13 +0100 | [diff] [blame] | 56 | MODULE_PARM_DESC(num_heads, "Number of virtual crtcs to expose (default 4)"); |
| 57 | module_param_named(num_heads, qxl_num_crtc, int, 0400); |
| 58 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 59 | static struct drm_driver qxl_driver; |
| 60 | static struct pci_driver qxl_pci_driver; |
| 61 | |
| 62 | static int |
| 63 | qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
| 64 | { |
| 65 | if (pdev->revision < 4) { |
| 66 | DRM_ERROR("qxl too old, doesn't support client_monitors_config," |
| 67 | " use xf86-video-qxl in user mode"); |
| 68 | return -EINVAL; /* TODO: ENODEV ? */ |
| 69 | } |
| 70 | return drm_get_pci_dev(pdev, ent, &qxl_driver); |
| 71 | } |
| 72 | |
| 73 | static void |
| 74 | qxl_pci_remove(struct pci_dev *pdev) |
| 75 | { |
| 76 | struct drm_device *dev = pci_get_drvdata(pdev); |
| 77 | |
| 78 | drm_put_dev(dev); |
| 79 | } |
| 80 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 81 | static const struct file_operations qxl_fops = { |
| 82 | .owner = THIS_MODULE, |
| 83 | .open = drm_open, |
| 84 | .release = drm_release, |
| 85 | .unlocked_ioctl = drm_ioctl, |
| 86 | .poll = drm_poll, |
| 87 | .fasync = drm_fasync, |
| 88 | .mmap = qxl_mmap, |
| 89 | }; |
| 90 | |
Dave Airlie | d84300b | 2013-07-04 15:02:33 +1000 | [diff] [blame] | 91 | static int qxl_drm_freeze(struct drm_device *dev) |
| 92 | { |
| 93 | struct pci_dev *pdev = dev->pdev; |
| 94 | struct qxl_device *qdev = dev->dev_private; |
| 95 | struct drm_crtc *crtc; |
| 96 | |
| 97 | drm_kms_helper_poll_disable(dev); |
| 98 | |
| 99 | console_lock(); |
| 100 | qxl_fbdev_set_suspend(qdev, 1); |
| 101 | console_unlock(); |
| 102 | |
| 103 | /* unpin the front buffers */ |
| 104 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 105 | struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; |
| 106 | if (crtc->enabled) |
| 107 | (*crtc_funcs->disable)(crtc); |
| 108 | } |
| 109 | |
| 110 | qxl_destroy_monitors_object(qdev); |
| 111 | qxl_surf_evict(qdev); |
| 112 | qxl_vram_evict(qdev); |
| 113 | |
| 114 | while (!qxl_check_idle(qdev->command_ring)); |
| 115 | while (!qxl_check_idle(qdev->release_ring)) |
| 116 | qxl_queue_garbage_collect(qdev, 1); |
| 117 | |
| 118 | pci_save_state(pdev); |
| 119 | |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | static int qxl_drm_resume(struct drm_device *dev, bool thaw) |
| 124 | { |
| 125 | struct qxl_device *qdev = dev->dev_private; |
| 126 | |
| 127 | qdev->ram_header->int_mask = QXL_INTERRUPT_MASK; |
| 128 | if (!thaw) { |
| 129 | qxl_reinit_memslots(qdev); |
| 130 | qxl_ring_init_hdr(qdev->release_ring); |
| 131 | } |
| 132 | |
| 133 | qxl_create_monitors_object(qdev); |
| 134 | drm_helper_resume_force_mode(dev); |
| 135 | |
| 136 | console_lock(); |
| 137 | qxl_fbdev_set_suspend(qdev, 0); |
| 138 | console_unlock(); |
| 139 | |
| 140 | drm_kms_helper_poll_enable(dev); |
| 141 | return 0; |
| 142 | } |
| 143 | |
| 144 | static int qxl_pm_suspend(struct device *dev) |
| 145 | { |
| 146 | struct pci_dev *pdev = to_pci_dev(dev); |
| 147 | struct drm_device *drm_dev = pci_get_drvdata(pdev); |
| 148 | int error; |
| 149 | |
| 150 | error = qxl_drm_freeze(drm_dev); |
| 151 | if (error) |
| 152 | return error; |
| 153 | |
| 154 | pci_disable_device(pdev); |
| 155 | pci_set_power_state(pdev, PCI_D3hot); |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | static int qxl_pm_resume(struct device *dev) |
| 160 | { |
| 161 | struct pci_dev *pdev = to_pci_dev(dev); |
| 162 | struct drm_device *drm_dev = pci_get_drvdata(pdev); |
| 163 | |
| 164 | pci_set_power_state(pdev, PCI_D0); |
| 165 | pci_restore_state(pdev); |
| 166 | if (pci_enable_device(pdev)) { |
| 167 | return -EIO; |
| 168 | } |
| 169 | |
| 170 | return qxl_drm_resume(drm_dev, false); |
| 171 | } |
| 172 | |
| 173 | static int qxl_pm_thaw(struct device *dev) |
| 174 | { |
| 175 | struct pci_dev *pdev = to_pci_dev(dev); |
| 176 | struct drm_device *drm_dev = pci_get_drvdata(pdev); |
| 177 | |
| 178 | return qxl_drm_resume(drm_dev, true); |
| 179 | } |
| 180 | |
| 181 | static int qxl_pm_freeze(struct device *dev) |
| 182 | { |
| 183 | struct pci_dev *pdev = to_pci_dev(dev); |
| 184 | struct drm_device *drm_dev = pci_get_drvdata(pdev); |
| 185 | |
| 186 | return qxl_drm_freeze(drm_dev); |
| 187 | } |
| 188 | |
| 189 | static int qxl_pm_restore(struct device *dev) |
| 190 | { |
| 191 | struct pci_dev *pdev = to_pci_dev(dev); |
| 192 | struct drm_device *drm_dev = pci_get_drvdata(pdev); |
| 193 | struct qxl_device *qdev = drm_dev->dev_private; |
| 194 | |
| 195 | qxl_io_reset(qdev); |
| 196 | return qxl_drm_resume(drm_dev, false); |
| 197 | } |
| 198 | |
| 199 | static const struct dev_pm_ops qxl_pm_ops = { |
| 200 | .suspend = qxl_pm_suspend, |
| 201 | .resume = qxl_pm_resume, |
| 202 | .freeze = qxl_pm_freeze, |
| 203 | .thaw = qxl_pm_thaw, |
| 204 | .poweroff = qxl_pm_freeze, |
| 205 | .restore = qxl_pm_restore, |
| 206 | }; |
| 207 | static struct pci_driver qxl_pci_driver = { |
| 208 | .name = DRIVER_NAME, |
| 209 | .id_table = pciidlist, |
| 210 | .probe = qxl_pci_probe, |
| 211 | .remove = qxl_pci_remove, |
| 212 | .driver.pm = &qxl_pm_ops, |
| 213 | }; |
| 214 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 215 | static struct drm_driver qxl_driver = { |
| 216 | .driver_features = DRIVER_GEM | DRIVER_MODESET | |
| 217 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, |
| 218 | .dev_priv_size = 0, |
| 219 | .load = qxl_driver_load, |
| 220 | .unload = qxl_driver_unload, |
| 221 | |
| 222 | .dumb_create = qxl_mode_dumb_create, |
| 223 | .dumb_map_offset = qxl_mode_dumb_mmap, |
| 224 | .dumb_destroy = qxl_mode_dumb_destroy, |
| 225 | #if defined(CONFIG_DEBUG_FS) |
| 226 | .debugfs_init = qxl_debugfs_init, |
| 227 | .debugfs_cleanup = qxl_debugfs_takedown, |
| 228 | #endif |
| 229 | .gem_init_object = qxl_gem_object_init, |
| 230 | .gem_free_object = qxl_gem_object_free, |
| 231 | .gem_open_object = qxl_gem_object_open, |
| 232 | .gem_close_object = qxl_gem_object_close, |
| 233 | .fops = &qxl_fops, |
| 234 | .ioctls = qxl_ioctls, |
| 235 | .irq_handler = qxl_irq_handler, |
| 236 | .name = DRIVER_NAME, |
| 237 | .desc = DRIVER_DESC, |
| 238 | .date = DRIVER_DATE, |
| 239 | .major = 0, |
| 240 | .minor = 1, |
| 241 | .patchlevel = 0, |
| 242 | }; |
| 243 | |
| 244 | static int __init qxl_init(void) |
| 245 | { |
| 246 | #ifdef CONFIG_VGA_CONSOLE |
| 247 | if (vgacon_text_force() && qxl_modeset == -1) |
| 248 | return -EINVAL; |
| 249 | #endif |
| 250 | |
| 251 | if (qxl_modeset == 0) |
| 252 | return -EINVAL; |
| 253 | qxl_driver.num_ioctls = qxl_max_ioctls; |
| 254 | return drm_pci_init(&qxl_driver, &qxl_pci_driver); |
| 255 | } |
| 256 | |
| 257 | static void __exit qxl_exit(void) |
| 258 | { |
| 259 | drm_pci_exit(&qxl_driver, &qxl_pci_driver); |
| 260 | } |
| 261 | |
| 262 | module_init(qxl_init); |
| 263 | module_exit(qxl_exit); |
| 264 | |
| 265 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 266 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 267 | MODULE_LICENSE("GPL and additional rights"); |