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 58 #include <drm/drm_audio_component.h> 59 60 #include "uapi/drm/nouveau_drm.h" 61 62 struct nouveau_channel; 63 struct platform_device; 64 65 #include "nouveau_fence.h" 66 #include "nouveau_bios.h" 67 #include "nouveau_vmm.h" 68 69 struct nouveau_drm_tile { 70 struct nouveau_fence *fence; 71 bool used; 72 }; 73 74 enum nouveau_drm_object_route { 75 NVDRM_OBJECT_NVIF = NVIF_IOCTL_V0_OWNER_NVIF, 76 NVDRM_OBJECT_USIF, 77 NVDRM_OBJECT_ABI16, 78 NVDRM_OBJECT_ANY = NVIF_IOCTL_V0_OWNER_ANY, 79 }; 80 81 enum nouveau_drm_notify_route { 82 NVDRM_NOTIFY_NVIF = 0, 83 NVDRM_NOTIFY_USIF 84 }; 85 86 enum nouveau_drm_handle { 87 NVDRM_CHAN = 0xcccc0000, /* |= client chid */ 88 NVDRM_NVSW = 0x55550000, 89 }; 90 91 struct nouveau_cli { 92 struct nvif_client base; 93 struct nouveau_drm *drm; 94 struct mutex mutex; 95 96 struct nvif_device device; 97 struct nvif_mmu mmu; 98 struct nouveau_vmm vmm; 99 struct nouveau_vmm svm; 100 const struct nvif_mclass *mem; 101 102 struct list_head head; 103 void *abi16; 104 struct list_head objects; 105 struct list_head notifys; 106 char name[32]; 107 108 struct work_struct work; 109 struct list_head worker; 110 struct mutex lock; 111 }; 112 113 struct nouveau_cli_work { 114 void (*func)(struct nouveau_cli_work *); 115 struct nouveau_cli *cli; 116 struct list_head head; 117 118 struct dma_fence *fence; 119 struct dma_fence_cb cb; 120 }; 121 122 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *, 123 struct nouveau_cli_work *); 124 125 static inline struct nouveau_cli * 126 nouveau_cli(struct drm_file *fpriv) 127 { 128 return fpriv ? fpriv->driver_priv : NULL; 129 } 130 131 #include <nvif/object.h> 132 #include <nvif/parent.h> 133 134 struct nouveau_drm { 135 struct nvif_parent parent; 136 struct nouveau_cli master; 137 struct nouveau_cli client; 138 struct drm_device *dev; 139 140 struct list_head clients; 141 142 /** 143 * @clients_lock: Protects access to the @clients list of &struct nouveau_cli. 144 */ 145 struct mutex clients_lock; 146 147 u8 old_pm_cap; 148 149 struct { 150 struct agp_bridge_data *bridge; 151 u32 base; 152 u32 size; 153 bool cma; 154 } agp; 155 156 /* TTM interface support */ 157 struct { 158 struct ttm_device bdev; 159 atomic_t validate_sequence; 160 int (*move)(struct nouveau_channel *, 161 struct ttm_buffer_object *, 162 struct ttm_resource *, struct ttm_resource *); 163 struct nouveau_channel *chan; 164 struct nvif_object copy; 165 int mtrr; 166 int type_vram; 167 int type_host[2]; 168 int type_ncoh[2]; 169 struct mutex io_reserve_mutex; 170 struct list_head io_reserve_lru; 171 } ttm; 172 173 /* GEM interface support */ 174 struct { 175 u64 vram_available; 176 u64 gart_available; 177 } gem; 178 179 /* synchronisation */ 180 void *fence; 181 182 /* Global channel management. */ 183 struct { 184 int nr; 185 u64 context_base; 186 } chan; 187 188 /* context for accelerated drm-internal operations */ 189 struct nouveau_channel *cechan; 190 struct nouveau_channel *channel; 191 struct nvkm_gpuobj *notify; 192 struct nouveau_fbdev *fbcon; 193 struct nvif_object ntfy; 194 195 /* nv10-nv40 tiling regions */ 196 struct { 197 struct nouveau_drm_tile reg[15]; 198 spinlock_t lock; 199 } tile; 200 201 /* modesetting */ 202 struct nvbios vbios; 203 struct nouveau_display *display; 204 struct work_struct hpd_work; 205 struct mutex hpd_lock; 206 u32 hpd_pending; 207 struct work_struct fbcon_work; 208 int fbcon_new_state; 209 #ifdef CONFIG_ACPI 210 struct notifier_block acpi_nb; 211 #endif 212 213 /* power management */ 214 struct nouveau_hwmon *hwmon; 215 struct nouveau_debugfs *debugfs; 216 217 /* led management */ 218 struct nouveau_led *led; 219 220 struct dev_pm_domain vga_pm_domain; 221 222 struct nouveau_svm *svm; 223 224 struct nouveau_dmem *dmem; 225 226 struct { 227 struct drm_audio_component *component; 228 struct mutex lock; 229 bool component_registered; 230 } audio; 231 }; 232 233 static inline struct nouveau_drm * 234 nouveau_drm(struct drm_device *dev) 235 { 236 return dev->dev_private; 237 } 238 239 static inline bool 240 nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) 241 { 242 struct nvif_mmu *mmu = &drm->client.mmu; 243 return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); 244 } 245 246 int nouveau_pmops_suspend(struct device *); 247 int nouveau_pmops_resume(struct device *); 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