Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Red Hat Inc. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the |
| 6 | * "Software"), to deal in the Software without restriction, including |
| 7 | * without limitation the rights to use, copy, modify, merge, publish, |
| 8 | * distribute, sub license, and/or sell copies of the Software, and to |
| 9 | * permit persons to whom the Software is furnished to do so, subject to |
| 10 | * the following conditions: |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 13 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| 15 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| 16 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| 17 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| 18 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 19 | * |
| 20 | * The above copyright notice and this permission notice (including the |
| 21 | * next paragraph) shall be included in all copies or substantial portions |
| 22 | * of the Software. |
| 23 | * |
| 24 | */ |
| 25 | /* |
| 26 | * Authors: Dave Airlie <airlied@redhat.com> |
| 27 | */ |
| 28 | #include <linux/module.h> |
| 29 | #include <linux/console.h> |
| 30 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 31 | #include <drm/drmP.h> |
| 32 | #include <drm/drm_crtc_helper.h> |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 33 | |
| 34 | #include "ast_drv.h" |
| 35 | |
| 36 | int ast_modeset = -1; |
| 37 | |
| 38 | MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); |
| 39 | module_param_named(modeset, ast_modeset, int, 0400); |
| 40 | |
| 41 | #define PCI_VENDOR_ASPEED 0x1a03 |
| 42 | |
| 43 | static struct drm_driver driver; |
| 44 | |
| 45 | #define AST_VGA_DEVICE(id, info) { \ |
| 46 | .class = PCI_BASE_CLASS_DISPLAY << 16, \ |
| 47 | .class_mask = 0xff0000, \ |
| 48 | .vendor = PCI_VENDOR_ASPEED, \ |
| 49 | .device = id, \ |
| 50 | .subvendor = PCI_ANY_ID, \ |
| 51 | .subdevice = PCI_ANY_ID, \ |
| 52 | .driver_data = (unsigned long) info } |
| 53 | |
Benoit Taine | 9baa3c3 | 2014-08-08 15:56:03 +0200 | [diff] [blame] | 54 | static const struct pci_device_id pciidlist[] = { |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 55 | AST_VGA_DEVICE(PCI_CHIP_AST2000, NULL), |
| 56 | AST_VGA_DEVICE(PCI_CHIP_AST2100, NULL), |
| 57 | /* AST_VGA_DEVICE(PCI_CHIP_AST1180, NULL), - don't bind to 1180 for now */ |
| 58 | {0, 0, 0}, |
| 59 | }; |
| 60 | |
| 61 | MODULE_DEVICE_TABLE(pci, pciidlist); |
| 62 | |
Greg Kroah-Hartman | 56550d9 | 2012-12-21 15:09:25 -0800 | [diff] [blame] | 63 | static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 64 | { |
| 65 | return drm_get_pci_dev(pdev, ent, &driver); |
| 66 | } |
| 67 | |
| 68 | static void |
| 69 | ast_pci_remove(struct pci_dev *pdev) |
| 70 | { |
| 71 | struct drm_device *dev = pci_get_drvdata(pdev); |
| 72 | |
| 73 | drm_put_dev(dev); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | |
| 78 | static int ast_drm_freeze(struct drm_device *dev) |
| 79 | { |
| 80 | drm_kms_helper_poll_disable(dev); |
| 81 | |
| 82 | pci_save_state(dev->pdev); |
| 83 | |
| 84 | console_lock(); |
| 85 | ast_fbdev_set_suspend(dev, 1); |
| 86 | console_unlock(); |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | static int ast_drm_thaw(struct drm_device *dev) |
| 91 | { |
| 92 | int error = 0; |
| 93 | |
| 94 | ast_post_gpu(dev); |
| 95 | |
| 96 | drm_mode_config_reset(dev); |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 97 | drm_helper_resume_force_mode(dev); |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 98 | |
| 99 | console_lock(); |
| 100 | ast_fbdev_set_suspend(dev, 0); |
| 101 | console_unlock(); |
| 102 | return error; |
| 103 | } |
| 104 | |
| 105 | static int ast_drm_resume(struct drm_device *dev) |
| 106 | { |
| 107 | int ret; |
| 108 | |
| 109 | if (pci_enable_device(dev->pdev)) |
| 110 | return -EIO; |
| 111 | |
| 112 | ret = ast_drm_thaw(dev); |
| 113 | if (ret) |
| 114 | return ret; |
| 115 | |
| 116 | drm_kms_helper_poll_enable(dev); |
| 117 | return 0; |
| 118 | } |
| 119 | |
| 120 | static int ast_pm_suspend(struct device *dev) |
| 121 | { |
| 122 | struct pci_dev *pdev = to_pci_dev(dev); |
| 123 | struct drm_device *ddev = pci_get_drvdata(pdev); |
| 124 | int error; |
| 125 | |
| 126 | error = ast_drm_freeze(ddev); |
| 127 | if (error) |
| 128 | return error; |
| 129 | |
| 130 | pci_disable_device(pdev); |
| 131 | pci_set_power_state(pdev, PCI_D3hot); |
| 132 | return 0; |
| 133 | } |
| 134 | static int ast_pm_resume(struct device *dev) |
| 135 | { |
| 136 | struct pci_dev *pdev = to_pci_dev(dev); |
| 137 | struct drm_device *ddev = pci_get_drvdata(pdev); |
| 138 | return ast_drm_resume(ddev); |
| 139 | } |
| 140 | |
| 141 | static int ast_pm_freeze(struct device *dev) |
| 142 | { |
| 143 | struct pci_dev *pdev = to_pci_dev(dev); |
| 144 | struct drm_device *ddev = pci_get_drvdata(pdev); |
| 145 | |
| 146 | if (!ddev || !ddev->dev_private) |
| 147 | return -ENODEV; |
| 148 | return ast_drm_freeze(ddev); |
| 149 | |
| 150 | } |
| 151 | |
| 152 | static int ast_pm_thaw(struct device *dev) |
| 153 | { |
| 154 | struct pci_dev *pdev = to_pci_dev(dev); |
| 155 | struct drm_device *ddev = pci_get_drvdata(pdev); |
| 156 | return ast_drm_thaw(ddev); |
| 157 | } |
| 158 | |
| 159 | static int ast_pm_poweroff(struct device *dev) |
| 160 | { |
| 161 | struct pci_dev *pdev = to_pci_dev(dev); |
| 162 | struct drm_device *ddev = pci_get_drvdata(pdev); |
| 163 | |
| 164 | return ast_drm_freeze(ddev); |
| 165 | } |
| 166 | |
| 167 | static const struct dev_pm_ops ast_pm_ops = { |
| 168 | .suspend = ast_pm_suspend, |
| 169 | .resume = ast_pm_resume, |
| 170 | .freeze = ast_pm_freeze, |
| 171 | .thaw = ast_pm_thaw, |
| 172 | .poweroff = ast_pm_poweroff, |
| 173 | .restore = ast_pm_resume, |
| 174 | }; |
| 175 | |
| 176 | static struct pci_driver ast_pci_driver = { |
| 177 | .name = DRIVER_NAME, |
| 178 | .id_table = pciidlist, |
| 179 | .probe = ast_pci_probe, |
| 180 | .remove = ast_pci_remove, |
| 181 | .driver.pm = &ast_pm_ops, |
| 182 | }; |
| 183 | |
| 184 | static const struct file_operations ast_fops = { |
| 185 | .owner = THIS_MODULE, |
| 186 | .open = drm_open, |
| 187 | .release = drm_release, |
| 188 | .unlocked_ioctl = drm_ioctl, |
| 189 | .mmap = ast_mmap, |
| 190 | .poll = drm_poll, |
Keith Packard | 804d74a | 2012-07-09 15:40:07 -0700 | [diff] [blame] | 191 | #ifdef CONFIG_COMPAT |
| 192 | .compat_ioctl = drm_compat_ioctl, |
| 193 | #endif |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 194 | .read = drm_read, |
| 195 | }; |
| 196 | |
| 197 | static struct drm_driver driver = { |
Daniel Vetter | 2818564 | 2013-08-08 15:41:27 +0200 | [diff] [blame] | 198 | .driver_features = DRIVER_MODESET | DRIVER_GEM, |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 199 | |
| 200 | .load = ast_driver_load, |
| 201 | .unload = ast_driver_unload, |
David Herrmann | 915b4d1 | 2014-08-29 12:12:43 +0200 | [diff] [blame] | 202 | .set_busid = drm_pci_set_busid, |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 203 | |
| 204 | .fops = &ast_fops, |
| 205 | .name = DRIVER_NAME, |
| 206 | .desc = DRIVER_DESC, |
| 207 | .date = DRIVER_DATE, |
| 208 | .major = DRIVER_MAJOR, |
| 209 | .minor = DRIVER_MINOR, |
| 210 | .patchlevel = DRIVER_PATCHLEVEL, |
| 211 | |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 212 | .gem_free_object = ast_gem_free_object, |
| 213 | .dumb_create = ast_dumb_create, |
| 214 | .dumb_map_offset = ast_dumb_mmap_offset, |
Daniel Vetter | 43387b3 | 2013-07-16 09:12:04 +0200 | [diff] [blame] | 215 | .dumb_destroy = drm_gem_dumb_destroy, |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 216 | |
| 217 | }; |
| 218 | |
| 219 | static int __init ast_init(void) |
| 220 | { |
Dave Airlie | 4688a69d | 2012-05-19 16:33:21 +0100 | [diff] [blame] | 221 | #ifdef CONFIG_VGA_CONSOLE |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 222 | if (vgacon_text_force() && ast_modeset == -1) |
| 223 | return -EINVAL; |
Dave Airlie | 4688a69d | 2012-05-19 16:33:21 +0100 | [diff] [blame] | 224 | #endif |
Dave Airlie | 312fec1 | 2012-02-29 13:40:04 +0000 | [diff] [blame] | 225 | |
| 226 | if (ast_modeset == 0) |
| 227 | return -EINVAL; |
| 228 | return drm_pci_init(&driver, &ast_pci_driver); |
| 229 | } |
| 230 | static void __exit ast_exit(void) |
| 231 | { |
| 232 | drm_pci_exit(&driver, &ast_pci_driver); |
| 233 | } |
| 234 | |
| 235 | module_init(ast_init); |
| 236 | module_exit(ast_exit); |
| 237 | |
| 238 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 239 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 240 | MODULE_LICENSE("GPL and additional rights"); |
| 241 | |