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