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_handle { 82 NVDRM_CHAN = 0xcccc0000, /* |= client chid */ 83 NVDRM_NVSW = 0x55550000, 84 }; 85 86 struct nouveau_cli { 87 struct nvif_client base; 88 struct nouveau_drm *drm; 89 struct mutex mutex; 90 91 struct nvif_device device; 92 struct nvif_mmu mmu; 93 struct nouveau_vmm vmm; 94 struct nouveau_vmm svm; 95 const struct nvif_mclass *mem; 96 97 struct list_head head; 98 void *abi16; 99 struct list_head objects; 100 char name[32]; 101 102 struct work_struct work; 103 struct list_head worker; 104 struct mutex lock; 105 }; 106 107 struct nouveau_cli_work { 108 void (*func)(struct nouveau_cli_work *); 109 struct nouveau_cli *cli; 110 struct list_head head; 111 112 struct dma_fence *fence; 113 struct dma_fence_cb cb; 114 }; 115 116 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *, 117 struct nouveau_cli_work *); 118 119 static inline struct nouveau_cli * 120 nouveau_cli(struct drm_file *fpriv) 121 { 122 return fpriv ? fpriv->driver_priv : NULL; 123 } 124 125 #include <nvif/object.h> 126 #include <nvif/parent.h> 127 128 struct nouveau_drm { 129 struct nvif_parent parent; 130 struct nouveau_cli master; 131 struct nouveau_cli client; 132 struct drm_device *dev; 133 134 struct list_head clients; 135 136 /** 137 * @clients_lock: Protects access to the @clients list of &struct nouveau_cli. 138 */ 139 struct mutex clients_lock; 140 141 u8 old_pm_cap; 142 143 struct { 144 struct agp_bridge_data *bridge; 145 u32 base; 146 u32 size; 147 bool cma; 148 } agp; 149 150 /* TTM interface support */ 151 struct { 152 struct ttm_device bdev; 153 atomic_t validate_sequence; 154 int (*move)(struct nouveau_channel *, 155 struct ttm_buffer_object *, 156 struct ttm_resource *, struct ttm_resource *); 157 struct nouveau_channel *chan; 158 struct nvif_object copy; 159 int mtrr; 160 int type_vram; 161 int type_host[2]; 162 int type_ncoh[2]; 163 struct mutex io_reserve_mutex; 164 struct list_head io_reserve_lru; 165 } ttm; 166 167 /* GEM interface support */ 168 struct { 169 u64 vram_available; 170 u64 gart_available; 171 } gem; 172 173 /* synchronisation */ 174 void *fence; 175 176 /* Global channel management. */ 177 int chan_total; /* Number of channels across all runlists. */ 178 int chan_nr; /* 0 if per-runlist CHIDs. */ 179 int runl_nr; 180 struct { 181 int chan_nr; 182 int chan_id_base; 183 u64 context_base; 184 } *runl; 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 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 spinlock_t hpd_lock; 203 u32 hpd_pending; 204 #ifdef CONFIG_ACPI 205 struct notifier_block acpi_nb; 206 #endif 207 208 /* power management */ 209 struct nouveau_hwmon *hwmon; 210 struct nouveau_debugfs *debugfs; 211 212 /* led management */ 213 struct nouveau_led *led; 214 215 struct dev_pm_domain vga_pm_domain; 216 217 struct nouveau_svm *svm; 218 219 struct nouveau_dmem *dmem; 220 221 struct { 222 struct drm_audio_component *component; 223 struct mutex lock; 224 bool component_registered; 225 } audio; 226 }; 227 228 static inline struct nouveau_drm * 229 nouveau_drm(struct drm_device *dev) 230 { 231 return dev->dev_private; 232 } 233 234 static inline bool 235 nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) 236 { 237 struct nvif_mmu *mmu = &drm->client.mmu; 238 return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); 239 } 240 241 int nouveau_pmops_suspend(struct device *); 242 int nouveau_pmops_resume(struct device *); 243 bool nouveau_pmops_runtime(void); 244 245 #include <nvkm/core/tegra.h> 246 247 struct drm_device * 248 nouveau_platform_device_create(const struct nvkm_device_tegra_func *, 249 struct platform_device *, struct nvkm_device **); 250 void nouveau_drm_device_remove(struct drm_device *dev); 251 252 #define NV_PRINTK(l,c,f,a...) do { \ 253 struct nouveau_cli *_cli = (c); \ 254 dev_##l(_cli->drm->dev->dev, "%s: "f, _cli->name, ##a); \ 255 } while(0) 256 257 #define NV_FATAL(drm,f,a...) NV_PRINTK(crit, &(drm)->client, f, ##a) 258 #define NV_ERROR(drm,f,a...) NV_PRINTK(err, &(drm)->client, f, ##a) 259 #define NV_WARN(drm,f,a...) NV_PRINTK(warn, &(drm)->client, f, ##a) 260 #define NV_INFO(drm,f,a...) NV_PRINTK(info, &(drm)->client, f, ##a) 261 262 #define NV_DEBUG(drm,f,a...) do { \ 263 if (drm_debug_enabled(DRM_UT_DRIVER)) \ 264 NV_PRINTK(info, &(drm)->client, f, ##a); \ 265 } while(0) 266 #define NV_ATOMIC(drm,f,a...) do { \ 267 if (drm_debug_enabled(DRM_UT_ATOMIC)) \ 268 NV_PRINTK(info, &(drm)->client, f, ##a); \ 269 } while(0) 270 271 #define NV_PRINTK_ONCE(l,c,f,a...) NV_PRINTK(l##_once,c,f, ##a) 272 273 #define NV_ERROR_ONCE(drm,f,a...) NV_PRINTK_ONCE(err, &(drm)->client, f, ##a) 274 #define NV_WARN_ONCE(drm,f,a...) NV_PRINTK_ONCE(warn, &(drm)->client, f, ##a) 275 #define NV_INFO_ONCE(drm,f,a...) NV_PRINTK_ONCE(info, &(drm)->client, f, ##a) 276 277 extern int nouveau_modeset; 278 279 #endif 280