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 60 #include <drm/drm_audio_component.h> 61 62 #include "uapi/drm/nouveau_drm.h" 63 64 struct nouveau_channel; 65 struct platform_device; 66 67 #include "nouveau_fence.h" 68 #include "nouveau_bios.h" 69 #include "nouveau_vmm.h" 70 71 struct nouveau_drm_tile { 72 struct nouveau_fence *fence; 73 bool used; 74 }; 75 76 enum nouveau_drm_object_route { 77 NVDRM_OBJECT_NVIF = NVIF_IOCTL_V0_OWNER_NVIF, 78 NVDRM_OBJECT_USIF, 79 NVDRM_OBJECT_ABI16, 80 NVDRM_OBJECT_ANY = NVIF_IOCTL_V0_OWNER_ANY, 81 }; 82 83 enum nouveau_drm_notify_route { 84 NVDRM_NOTIFY_NVIF = 0, 85 NVDRM_NOTIFY_USIF 86 }; 87 88 enum nouveau_drm_handle { 89 NVDRM_CHAN = 0xcccc0000, /* |= client chid */ 90 NVDRM_NVSW = 0x55550000, 91 }; 92 93 struct nouveau_cli { 94 struct nvif_client base; 95 struct nouveau_drm *drm; 96 struct mutex mutex; 97 98 struct nvif_device device; 99 struct nvif_mmu mmu; 100 struct nouveau_vmm vmm; 101 struct nouveau_vmm svm; 102 const struct nvif_mclass *mem; 103 104 struct list_head head; 105 void *abi16; 106 struct list_head objects; 107 struct list_head notifys; 108 char name[32]; 109 110 struct work_struct work; 111 struct list_head worker; 112 struct mutex lock; 113 }; 114 115 struct nouveau_cli_work { 116 void (*func)(struct nouveau_cli_work *); 117 struct nouveau_cli *cli; 118 struct list_head head; 119 120 struct dma_fence *fence; 121 struct dma_fence_cb cb; 122 }; 123 124 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *, 125 struct nouveau_cli_work *); 126 127 static inline struct nouveau_cli * 128 nouveau_cli(struct drm_file *fpriv) 129 { 130 return fpriv ? fpriv->driver_priv : NULL; 131 } 132 133 #include <nvif/object.h> 134 #include <nvif/parent.h> 135 136 struct nouveau_drm { 137 struct nvif_parent parent; 138 struct nouveau_cli master; 139 struct nouveau_cli client; 140 struct drm_device *dev; 141 142 struct list_head clients; 143 144 u8 old_pm_cap; 145 146 struct { 147 struct agp_bridge_data *bridge; 148 u32 base; 149 u32 size; 150 bool cma; 151 } agp; 152 153 /* TTM interface support */ 154 struct { 155 struct ttm_bo_device bdev; 156 atomic_t validate_sequence; 157 int (*move)(struct nouveau_channel *, 158 struct ttm_buffer_object *, 159 struct ttm_resource *, struct ttm_resource *); 160 struct nouveau_channel *chan; 161 struct nvif_object copy; 162 int mtrr; 163 int type_vram; 164 int type_host[2]; 165 int type_ncoh[2]; 166 struct mutex io_reserve_mutex; 167 struct list_head io_reserve_lru; 168 } ttm; 169 170 /* GEM interface support */ 171 struct { 172 u64 vram_available; 173 u64 gart_available; 174 } gem; 175 176 /* synchronisation */ 177 void *fence; 178 179 /* Global channel management. */ 180 struct { 181 int nr; 182 u64 context_base; 183 } chan; 184 185 /* context for accelerated drm-internal operations */ 186 struct nouveau_channel *cechan; 187 struct nouveau_channel *channel; 188 struct nvkm_gpuobj *notify; 189 struct nouveau_fbdev *fbcon; 190 struct nvif_object ntfy; 191 192 /* nv10-nv40 tiling regions */ 193 struct { 194 struct nouveau_drm_tile reg[15]; 195 spinlock_t lock; 196 } tile; 197 198 /* modesetting */ 199 struct nvbios vbios; 200 struct nouveau_display *display; 201 struct work_struct hpd_work; 202 struct mutex hpd_lock; 203 u32 hpd_pending; 204 struct work_struct fbcon_work; 205 int fbcon_new_state; 206 #ifdef CONFIG_ACPI 207 struct notifier_block acpi_nb; 208 #endif 209 210 /* power management */ 211 struct nouveau_hwmon *hwmon; 212 struct nouveau_debugfs *debugfs; 213 214 /* led management */ 215 struct nouveau_led *led; 216 217 struct dev_pm_domain vga_pm_domain; 218 219 struct nouveau_svm *svm; 220 221 struct nouveau_dmem *dmem; 222 223 struct { 224 struct drm_audio_component *component; 225 bool component_registered; 226 } audio; 227 }; 228 229 static inline struct nouveau_drm * 230 nouveau_drm(struct drm_device *dev) 231 { 232 return dev->dev_private; 233 } 234 235 static inline bool 236 nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) 237 { 238 struct nvif_mmu *mmu = &drm->client.mmu; 239 return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); 240 } 241 242 int nouveau_pmops_suspend(struct device *); 243 int nouveau_pmops_resume(struct device *); 244 bool nouveau_pmops_runtime(void); 245 246 #include <nvkm/core/tegra.h> 247 248 struct drm_device * 249 nouveau_platform_device_create(const struct nvkm_device_tegra_func *, 250 struct platform_device *, struct nvkm_device **); 251 void nouveau_drm_device_remove(struct drm_device *dev); 252 253 #define NV_PRINTK(l,c,f,a...) do { \ 254 struct nouveau_cli *_cli = (c); \ 255 dev_##l(_cli->drm->dev->dev, "%s: "f, _cli->name, ##a); \ 256 } while(0) 257 258 #define NV_FATAL(drm,f,a...) NV_PRINTK(crit, &(drm)->client, f, ##a) 259 #define NV_ERROR(drm,f,a...) NV_PRINTK(err, &(drm)->client, f, ##a) 260 #define NV_WARN(drm,f,a...) NV_PRINTK(warn, &(drm)->client, f, ##a) 261 #define NV_INFO(drm,f,a...) NV_PRINTK(info, &(drm)->client, f, ##a) 262 263 #define NV_DEBUG(drm,f,a...) do { \ 264 if (drm_debug_enabled(DRM_UT_DRIVER)) \ 265 NV_PRINTK(info, &(drm)->client, f, ##a); \ 266 } while(0) 267 #define NV_ATOMIC(drm,f,a...) do { \ 268 if (drm_debug_enabled(DRM_UT_ATOMIC)) \ 269 NV_PRINTK(info, &(drm)->client, f, ##a); \ 270 } while(0) 271 272 #define NV_PRINTK_ONCE(l,c,f,a...) NV_PRINTK(l##_once,c,f, ##a) 273 274 #define NV_ERROR_ONCE(drm,f,a...) NV_PRINTK_ONCE(err, &(drm)->client, f, ##a) 275 #define NV_WARN_ONCE(drm,f,a...) NV_PRINTK_ONCE(warn, &(drm)->client, f, ##a) 276 #define NV_INFO_ONCE(drm,f,a...) NV_PRINTK_ONCE(info, &(drm)->client, f, ##a) 277 278 extern int nouveau_modeset; 279 280 #endif 281