1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NOUVEAU_DRV_H__ 3 #define __NOUVEAU_DRV_H__ 4 5 #define DRIVER_AUTHOR "Nouveau Project" 6 #define DRIVER_EMAIL "nouveau@lists.freedesktop.org" 7 8 #define DRIVER_NAME "nouveau" 9 #define DRIVER_DESC "nVidia Riva/TNT/GeForce/Quadro/Tesla/Tegra K1+" 10 #define DRIVER_DATE "20120801" 11 12 #define DRIVER_MAJOR 1 13 #define DRIVER_MINOR 3 14 #define DRIVER_PATCHLEVEL 1 15 16 /* 17 * 1.1.1: 18 * - added support for tiled system memory buffer objects 19 * - added support for NOUVEAU_GETPARAM_GRAPH_UNITS on [nvc0,nve0]. 20 * - added support for compressed memory storage types on [nvc0,nve0]. 21 * - added support for software methods 0x600,0x644,0x6ac on nvc0 22 * to control registers on the MPs to enable performance counters, 23 * and to control the warp error enable mask (OpenGL requires out of 24 * bounds access to local memory to be silently ignored / return 0). 25 * 1.1.2: 26 * - fixes multiple bugs in flip completion events and timestamping 27 * 1.2.0: 28 * - object api exposed to userspace 29 * - fermi,kepler,maxwell zbc 30 * 1.2.1: 31 * - allow concurrent access to bo's mapped read/write. 32 * 1.2.2: 33 * - add NOUVEAU_GEM_DOMAIN_COHERENT flag 34 * 1.3.0: 35 * - NVIF ABI modified, safe because only (current) users are test 36 * programs that get directly linked with NVKM. 37 * 1.3.1: 38 * - implemented limited ABI16/NVIF interop 39 */ 40 41 #include <linux/notifier.h> 42 43 #include <nvif/client.h> 44 #include <nvif/device.h> 45 #include <nvif/ioctl.h> 46 #include <nvif/mmu.h> 47 #include <nvif/vmm.h> 48 49 #include <drm/drm_connector.h> 50 #include <drm/drm_device.h> 51 #include <drm/drm_drv.h> 52 #include <drm/drm_file.h> 53 54 #include <drm/ttm/ttm_bo_api.h> 55 #include <drm/ttm/ttm_bo_driver.h> 56 #include <drm/ttm/ttm_placement.h> 57 #include <drm/ttm/ttm_memory.h> 58 #include <drm/ttm/ttm_module.h> 59 #include <drm/ttm/ttm_page_alloc.h> 60 61 #include <drm/drm_audio_component.h> 62 63 #include "uapi/drm/nouveau_drm.h" 64 65 struct nouveau_channel; 66 struct platform_device; 67 68 #include "nouveau_fence.h" 69 #include "nouveau_bios.h" 70 #include "nouveau_vmm.h" 71 72 struct nouveau_drm_tile { 73 struct nouveau_fence *fence; 74 bool used; 75 }; 76 77 enum nouveau_drm_object_route { 78 NVDRM_OBJECT_NVIF = NVIF_IOCTL_V0_OWNER_NVIF, 79 NVDRM_OBJECT_USIF, 80 NVDRM_OBJECT_ABI16, 81 NVDRM_OBJECT_ANY = NVIF_IOCTL_V0_OWNER_ANY, 82 }; 83 84 enum nouveau_drm_notify_route { 85 NVDRM_NOTIFY_NVIF = 0, 86 NVDRM_NOTIFY_USIF 87 }; 88 89 enum nouveau_drm_handle { 90 NVDRM_CHAN = 0xcccc0000, /* |= client chid */ 91 NVDRM_NVSW = 0x55550000, 92 }; 93 94 struct nouveau_cli { 95 struct nvif_client base; 96 struct nouveau_drm *drm; 97 struct mutex mutex; 98 99 struct nvif_device device; 100 struct nvif_mmu mmu; 101 struct nouveau_vmm vmm; 102 struct nouveau_vmm svm; 103 const struct nvif_mclass *mem; 104 105 struct list_head head; 106 void *abi16; 107 struct list_head objects; 108 struct list_head notifys; 109 char name[32]; 110 111 struct work_struct work; 112 struct list_head worker; 113 struct mutex lock; 114 }; 115 116 struct nouveau_cli_work { 117 void (*func)(struct nouveau_cli_work *); 118 struct nouveau_cli *cli; 119 struct list_head head; 120 121 struct dma_fence *fence; 122 struct dma_fence_cb cb; 123 }; 124 125 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *, 126 struct nouveau_cli_work *); 127 128 static inline struct nouveau_cli * 129 nouveau_cli(struct drm_file *fpriv) 130 { 131 return fpriv ? fpriv->driver_priv : NULL; 132 } 133 134 #include <nvif/object.h> 135 #include <nvif/parent.h> 136 137 struct nouveau_drm { 138 struct nvif_parent parent; 139 struct nouveau_cli master; 140 struct nouveau_cli client; 141 struct drm_device *dev; 142 143 struct list_head clients; 144 145 u8 old_pm_cap; 146 147 struct { 148 struct agp_bridge_data *bridge; 149 u32 base; 150 u32 size; 151 bool cma; 152 } agp; 153 154 /* TTM interface support */ 155 struct { 156 struct ttm_bo_device bdev; 157 atomic_t validate_sequence; 158 int (*move)(struct nouveau_channel *, 159 struct ttm_buffer_object *, 160 struct ttm_resource *, struct ttm_resource *); 161 struct nouveau_channel *chan; 162 struct nvif_object copy; 163 int mtrr; 164 int type_vram; 165 int type_host[2]; 166 int type_ncoh[2]; 167 struct mutex io_reserve_mutex; 168 struct list_head io_reserve_lru; 169 } ttm; 170 171 /* GEM interface support */ 172 struct { 173 u64 vram_available; 174 u64 gart_available; 175 } gem; 176 177 /* synchronisation */ 178 void *fence; 179 180 /* Global channel management. */ 181 struct { 182 int nr; 183 u64 context_base; 184 } chan; 185 186 /* context for accelerated drm-internal operations */ 187 struct nouveau_channel *cechan; 188 struct nouveau_channel *channel; 189 struct nvkm_gpuobj *notify; 190 struct nouveau_fbdev *fbcon; 191 struct nvif_object ntfy; 192 193 /* nv10-nv40 tiling regions */ 194 struct { 195 struct nouveau_drm_tile reg[15]; 196 spinlock_t lock; 197 } tile; 198 199 /* modesetting */ 200 struct nvbios vbios; 201 struct nouveau_display *display; 202 struct work_struct hpd_work; 203 struct mutex hpd_lock; 204 u32 hpd_pending; 205 struct work_struct fbcon_work; 206 int fbcon_new_state; 207 #ifdef CONFIG_ACPI 208 struct notifier_block acpi_nb; 209 #endif 210 211 /* power management */ 212 struct nouveau_hwmon *hwmon; 213 struct nouveau_debugfs *debugfs; 214 215 /* led management */ 216 struct nouveau_led *led; 217 218 struct dev_pm_domain vga_pm_domain; 219 220 struct nouveau_svm *svm; 221 222 struct nouveau_dmem *dmem; 223 224 struct { 225 struct drm_audio_component *component; 226 bool component_registered; 227 } audio; 228 }; 229 230 static inline struct nouveau_drm * 231 nouveau_drm(struct drm_device *dev) 232 { 233 return dev->dev_private; 234 } 235 236 static inline bool 237 nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) 238 { 239 struct nvif_mmu *mmu = &drm->client.mmu; 240 return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); 241 } 242 243 int nouveau_pmops_suspend(struct device *); 244 int nouveau_pmops_resume(struct device *); 245 bool nouveau_pmops_runtime(void); 246 247 #include <nvkm/core/tegra.h> 248 249 struct drm_device * 250 nouveau_platform_device_create(const struct nvkm_device_tegra_func *, 251 struct platform_device *, struct nvkm_device **); 252 void nouveau_drm_device_remove(struct drm_device *dev); 253 254 #define NV_PRINTK(l,c,f,a...) do { \ 255 struct nouveau_cli *_cli = (c); \ 256 dev_##l(_cli->drm->dev->dev, "%s: "f, _cli->name, ##a); \ 257 } while(0) 258 259 #define NV_FATAL(drm,f,a...) NV_PRINTK(crit, &(drm)->client, f, ##a) 260 #define NV_ERROR(drm,f,a...) NV_PRINTK(err, &(drm)->client, f, ##a) 261 #define NV_WARN(drm,f,a...) NV_PRINTK(warn, &(drm)->client, f, ##a) 262 #define NV_INFO(drm,f,a...) NV_PRINTK(info, &(drm)->client, f, ##a) 263 264 #define NV_DEBUG(drm,f,a...) do { \ 265 if (drm_debug_enabled(DRM_UT_DRIVER)) \ 266 NV_PRINTK(info, &(drm)->client, f, ##a); \ 267 } while(0) 268 #define NV_ATOMIC(drm,f,a...) do { \ 269 if (drm_debug_enabled(DRM_UT_ATOMIC)) \ 270 NV_PRINTK(info, &(drm)->client, f, ##a); \ 271 } while(0) 272 273 #define NV_PRINTK_ONCE(l,c,f,a...) NV_PRINTK(l##_once,c,f, ##a) 274 275 #define NV_ERROR_ONCE(drm,f,a...) NV_PRINTK_ONCE(err, &(drm)->client, f, ##a) 276 #define NV_WARN_ONCE(drm,f,a...) NV_PRINTK_ONCE(warn, &(drm)->client, f, ##a) 277 #define NV_INFO_ONCE(drm,f,a...) NV_PRINTK_ONCE(info, &(drm)->client, f, ##a) 278 279 extern int nouveau_modeset; 280 281 #endif 282