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.h> 55 #include <drm/ttm/ttm_placement.h> 56 57 #include <drm/drm_audio_component.h> 58 59 #include "uapi/drm/nouveau_drm.h" 60 61 struct nouveau_channel; 62 struct platform_device; 63 64 #include "nouveau_fence.h" 65 #include "nouveau_bios.h" 66 #include "nouveau_vmm.h" 67 68 struct nouveau_drm_tile { 69 struct nouveau_fence *fence; 70 bool used; 71 }; 72 73 enum nouveau_drm_object_route { 74 NVDRM_OBJECT_NVIF = NVIF_IOCTL_V0_OWNER_NVIF, 75 NVDRM_OBJECT_USIF, 76 NVDRM_OBJECT_ABI16, 77 NVDRM_OBJECT_ANY = NVIF_IOCTL_V0_OWNER_ANY, 78 }; 79 80 enum nouveau_drm_handle { 81 NVDRM_CHAN = 0xcccc0000, /* |= client chid */ 82 NVDRM_NVSW = 0x55550000, 83 }; 84 85 struct nouveau_cli { 86 struct nvif_client base; 87 struct nouveau_drm *drm; 88 struct mutex mutex; 89 90 struct nvif_device device; 91 struct nvif_mmu mmu; 92 struct nouveau_vmm vmm; 93 struct nouveau_vmm svm; 94 const struct nvif_mclass *mem; 95 96 struct list_head head; 97 void *abi16; 98 struct list_head objects; 99 char name[32]; 100 101 struct work_struct work; 102 struct list_head worker; 103 struct mutex lock; 104 }; 105 106 struct nouveau_cli_work { 107 void (*func)(struct nouveau_cli_work *); 108 struct nouveau_cli *cli; 109 struct list_head head; 110 111 struct dma_fence *fence; 112 struct dma_fence_cb cb; 113 }; 114 115 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *, 116 struct nouveau_cli_work *); 117 118 static inline struct nouveau_cli * 119 nouveau_cli(struct drm_file *fpriv) 120 { 121 return fpriv ? fpriv->driver_priv : NULL; 122 } 123 124 #include <nvif/object.h> 125 #include <nvif/parent.h> 126 127 struct nouveau_drm { 128 struct nvif_parent parent; 129 struct nouveau_cli master; 130 struct nouveau_cli client; 131 struct drm_device *dev; 132 133 struct list_head clients; 134 135 /** 136 * @clients_lock: Protects access to the @clients list of &struct nouveau_cli. 137 */ 138 struct mutex clients_lock; 139 140 u8 old_pm_cap; 141 142 struct { 143 struct agp_bridge_data *bridge; 144 u32 base; 145 u32 size; 146 bool cma; 147 } agp; 148 149 /* TTM interface support */ 150 struct { 151 struct ttm_device bdev; 152 atomic_t validate_sequence; 153 int (*move)(struct nouveau_channel *, 154 struct ttm_buffer_object *, 155 struct ttm_resource *, struct ttm_resource *); 156 struct nouveau_channel *chan; 157 struct nvif_object copy; 158 int mtrr; 159 int type_vram; 160 int type_host[2]; 161 int type_ncoh[2]; 162 struct mutex io_reserve_mutex; 163 struct list_head io_reserve_lru; 164 } ttm; 165 166 /* GEM interface support */ 167 struct { 168 u64 vram_available; 169 u64 gart_available; 170 } gem; 171 172 /* synchronisation */ 173 void *fence; 174 175 /* Global channel management. */ 176 int chan_total; /* Number of channels across all runlists. */ 177 int chan_nr; /* 0 if per-runlist CHIDs. */ 178 int runl_nr; 179 struct { 180 int chan_nr; 181 int chan_id_base; 182 u64 context_base; 183 } *runl; 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 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 spinlock_t hpd_lock; 202 u32 hpd_pending; 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 struct mutex lock; 223 bool component_registered; 224 } audio; 225 }; 226 227 static inline struct nouveau_drm * 228 nouveau_drm(struct drm_device *dev) 229 { 230 return dev->dev_private; 231 } 232 233 static inline bool 234 nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) 235 { 236 struct nvif_mmu *mmu = &drm->client.mmu; 237 return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); 238 } 239 240 int nouveau_pmops_suspend(struct device *); 241 int nouveau_pmops_resume(struct device *); 242 bool nouveau_pmops_runtime(void); 243 244 #include <nvkm/core/tegra.h> 245 246 struct drm_device * 247 nouveau_platform_device_create(const struct nvkm_device_tegra_func *, 248 struct platform_device *, struct nvkm_device **); 249 void nouveau_drm_device_remove(struct drm_device *dev); 250 251 #define NV_PRINTK(l,c,f,a...) do { \ 252 struct nouveau_cli *_cli = (c); \ 253 dev_##l(_cli->drm->dev->dev, "%s: "f, _cli->name, ##a); \ 254 } while(0) 255 256 #define NV_FATAL(drm,f,a...) NV_PRINTK(crit, &(drm)->client, f, ##a) 257 #define NV_ERROR(drm,f,a...) NV_PRINTK(err, &(drm)->client, f, ##a) 258 #define NV_WARN(drm,f,a...) NV_PRINTK(warn, &(drm)->client, f, ##a) 259 #define NV_INFO(drm,f,a...) NV_PRINTK(info, &(drm)->client, f, ##a) 260 261 #define NV_DEBUG(drm,f,a...) do { \ 262 if (drm_debug_enabled(DRM_UT_DRIVER)) \ 263 NV_PRINTK(info, &(drm)->client, f, ##a); \ 264 } while(0) 265 #define NV_ATOMIC(drm,f,a...) do { \ 266 if (drm_debug_enabled(DRM_UT_ATOMIC)) \ 267 NV_PRINTK(info, &(drm)->client, f, ##a); \ 268 } while(0) 269 270 #define NV_PRINTK_ONCE(l,c,f,a...) NV_PRINTK(l##_once,c,f, ##a) 271 272 #define NV_ERROR_ONCE(drm,f,a...) NV_PRINTK_ONCE(err, &(drm)->client, f, ##a) 273 #define NV_WARN_ONCE(drm,f,a...) NV_PRINTK_ONCE(warn, &(drm)->client, f, ##a) 274 #define NV_INFO_ONCE(drm,f,a...) NV_PRINTK_ONCE(info, &(drm)->client, f, ##a) 275 276 extern int nouveau_modeset; 277 278 #endif 279