1 /* $NetBSD: nouveau_drv.h,v 1.5 2024/04/16 14:34:02 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: MIT */ 4 #ifndef __NOUVEAU_DRV_H__ 5 #define __NOUVEAU_DRV_H__ 6 7 #define DRIVER_AUTHOR "Nouveau Project" 8 #define DRIVER_EMAIL "nouveau (at) lists.freedesktop.org" 9 10 #define DRIVER_NAME "nouveau" 11 #define DRIVER_DESC "nVidia Riva/TNT/GeForce/Quadro/Tesla/Tegra K1+" 12 #define DRIVER_DATE "20120801" 13 14 #define DRIVER_MAJOR 1 15 #define DRIVER_MINOR 3 16 #define DRIVER_PATCHLEVEL 1 17 18 /* 19 * 1.1.1: 20 * - added support for tiled system memory buffer objects 21 * - added support for NOUVEAU_GETPARAM_GRAPH_UNITS on [nvc0,nve0]. 22 * - added support for compressed memory storage types on [nvc0,nve0]. 23 * - added support for software methods 0x600,0x644,0x6ac on nvc0 24 * to control registers on the MPs to enable performance counters, 25 * and to control the warp error enable mask (OpenGL requires out of 26 * bounds access to local memory to be silently ignored / return 0). 27 * 1.1.2: 28 * - fixes multiple bugs in flip completion events and timestamping 29 * 1.2.0: 30 * - object api exposed to userspace 31 * - fermi,kepler,maxwell zbc 32 * 1.2.1: 33 * - allow concurrent access to bo's mapped read/write. 34 * 1.2.2: 35 * - add NOUVEAU_GEM_DOMAIN_COHERENT flag 36 * 1.3.0: 37 * - NVIF ABI modified, safe because only (current) users are test 38 * programs that get directly linked with NVKM. 39 * 1.3.1: 40 * - implemented limited ABI16/NVIF interop 41 */ 42 43 #include <linux/acpi.h> 44 #include <linux/notifier.h> 45 46 #include <nvif/client.h> 47 #include <nvif/device.h> 48 #include <nvif/ioctl.h> 49 #include <nvif/mmu.h> 50 #include <nvif/vmm.h> 51 52 #include <drm/drm_connector.h> 53 #include <drm/drm_device.h> 54 #include <drm/drm_drv.h> 55 #include <drm/drm_file.h> 56 57 #include <drm/ttm/ttm_bo_api.h> 58 #include <drm/ttm/ttm_bo_driver.h> 59 #include <drm/ttm/ttm_placement.h> 60 #include <drm/ttm/ttm_memory.h> 61 #include <drm/ttm/ttm_module.h> 62 #include <drm/ttm/ttm_page_alloc.h> 63 64 #include <drm/drm_audio_component.h> 65 66 #include "uapi/drm/nouveau_drm.h" 67 68 struct nouveau_channel; 69 struct platform_device; 70 71 #include "nouveau_fence.h" 72 #include "nouveau_bios.h" 73 #include "nouveau_vmm.h" 74 75 struct nouveau_drm_tile { 76 struct nouveau_fence *fence; 77 bool used; 78 }; 79 80 enum nouveau_drm_object_route { 81 NVDRM_OBJECT_NVIF = NVIF_IOCTL_V0_OWNER_NVIF, 82 NVDRM_OBJECT_USIF, 83 NVDRM_OBJECT_ABI16, 84 NVDRM_OBJECT_ANY = NVIF_IOCTL_V0_OWNER_ANY, 85 }; 86 87 enum nouveau_drm_notify_route { 88 NVDRM_NOTIFY_NVIF = 0, 89 NVDRM_NOTIFY_USIF 90 }; 91 92 enum nouveau_drm_handle { 93 NVDRM_CHAN = 0xcccc0000, /* |= client chid */ 94 NVDRM_NVSW = 0x55550000, 95 }; 96 97 struct nouveau_cli { 98 struct nvif_client base; 99 struct nouveau_drm *drm; 100 struct mutex mutex; 101 102 struct nvif_device device; 103 struct nvif_mmu mmu; 104 struct nouveau_vmm vmm; 105 struct nouveau_vmm svm; 106 const struct nvif_mclass *mem; 107 108 struct list_head head; 109 void *abi16; 110 struct list_head objects; 111 struct list_head notifys; 112 char name[32]; 113 114 struct work_struct work; 115 struct list_head worker; 116 struct mutex lock; 117 }; 118 119 struct nouveau_cli_work { 120 void (*func)(struct nouveau_cli_work *); 121 struct nouveau_cli *cli; 122 struct list_head head; 123 124 struct dma_fence *fence; 125 struct dma_fence_cb cb; 126 }; 127 128 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *, 129 struct nouveau_cli_work *); 130 131 static inline struct nouveau_cli * 132 nouveau_cli(struct drm_file *fpriv) 133 { 134 return fpriv ? fpriv->driver_priv : NULL; 135 } 136 137 #include <nvif/object.h> 138 139 struct nouveau_drm { 140 struct nouveau_cli master; 141 struct nouveau_cli client; 142 struct drm_device *dev; 143 144 struct list_head clients; 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_mem_reg *, struct ttm_mem_reg *); 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 } ttm; 167 168 /* GEM interface support */ 169 struct { 170 u64 vram_available; 171 u64 gart_available; 172 } gem; 173 174 /* synchronisation */ 175 void *fence; 176 177 /* Global channel management. */ 178 struct { 179 int nr; 180 u64 context_base; 181 } chan; 182 183 /* context for accelerated drm-internal operations */ 184 struct nouveau_channel *cechan; 185 struct nouveau_channel *channel; 186 struct nvkm_gpuobj *notify; 187 struct nouveau_fbdev *fbcon; 188 struct nvif_object nvsw; 189 struct nvif_object ntfy; 190 191 /* nv10-nv40 tiling regions */ 192 struct { 193 struct nouveau_drm_tile reg[15]; 194 spinlock_t lock; 195 } tile; 196 197 /* modesetting */ 198 struct nvbios vbios; 199 struct nouveau_display *display; 200 struct work_struct hpd_work; 201 struct work_struct fbcon_work; 202 int fbcon_new_state; 203 #ifdef CONFIG_ACPI 204 struct notifier_block acpi_nb; 205 #endif 206 207 /* power management */ 208 struct nouveau_hwmon *hwmon; 209 struct nouveau_debugfs *debugfs; 210 211 /* led management */ 212 struct nouveau_led *led; 213 214 struct dev_pm_domain vga_pm_domain; 215 216 struct nouveau_svm *svm; 217 218 struct nouveau_dmem *dmem; 219 220 struct { 221 struct drm_audio_component *component; 222 bool component_registered; 223 } audio; 224 }; 225 226 static inline struct nouveau_drm * 227 nouveau_drm(struct drm_device *dev) 228 { 229 return dev->dev_private; 230 } 231 232 static inline bool 233 nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) 234 { 235 struct nvif_mmu *mmu = &drm->client.mmu; 236 return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); 237 } 238 239 #ifdef __NetBSD__ 240 int nouveau_drm_device_init(struct drm_device *); 241 void nouveau_drm_device_fini(struct drm_device *); 242 int nouveau_pmops_suspend(struct drm_device *); 243 int nouveau_pmops_resume(struct drm_device *); 244 #else 245 int nouveau_pmops_suspend(struct device *); 246 int nouveau_pmops_resume(struct device *); 247 #endif 248 bool nouveau_pmops_runtime(void); 249 250 #include <nvkm/core/tegra.h> 251 252 struct drm_device * 253 nouveau_platform_device_create(const struct nvkm_device_tegra_func *, 254 struct platform_device *, struct nvkm_device **); 255 void nouveau_drm_device_remove(struct drm_device *dev); 256 257 #define NV_PRINTK(l,c,f,a...) do { \ 258 struct nouveau_cli *_cli = (c); \ 259 dev_##l(_cli->drm->dev->dev, "%s: "f, _cli->name, ##a); \ 260 } while(0) 261 262 #define NV_FATAL(drm,f,a...) NV_PRINTK(crit, &(drm)->client, f, ##a) 263 #define NV_ERROR(drm,f,a...) NV_PRINTK(err, &(drm)->client, f, ##a) 264 #define NV_WARN(drm,f,a...) NV_PRINTK(warn, &(drm)->client, f, ##a) 265 #define NV_INFO(drm,f,a...) NV_PRINTK(info, &(drm)->client, f, ##a) 266 267 #define NV_DEBUG(drm,f,a...) do { \ 268 if (drm_debug_enabled(DRM_UT_DRIVER)) \ 269 NV_PRINTK(info, &(drm)->client, f, ##a); \ 270 } while(0) 271 #define NV_ATOMIC(drm,f,a...) do { \ 272 if (drm_debug_enabled(DRM_UT_ATOMIC)) \ 273 NV_PRINTK(info, &(drm)->client, f, ##a); \ 274 } while(0) 275 276 #define NV_PRINTK_ONCE(l,c,f,a...) NV_PRINTK(l##_once,c,f, ##a) 277 278 #define NV_ERROR_ONCE(drm,f,a...) NV_PRINTK_ONCE(err, &(drm)->client, f, ##a) 279 #define NV_WARN_ONCE(drm,f,a...) NV_PRINTK_ONCE(warn, &(drm)->client, f, ##a) 280 #define NV_INFO_ONCE(drm,f,a...) NV_PRINTK_ONCE(info, &(drm)->client, f, ##a) 281 282 extern int nouveau_modeset; 283 284 #endif 285