1 /* SPDX-License-Identifier: GPL-2.0 */ 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/drmP.h> 50 51 #include <drm/ttm/ttm_bo_api.h> 52 #include <drm/ttm/ttm_bo_driver.h> 53 #include <drm/ttm/ttm_placement.h> 54 #include <drm/ttm/ttm_memory.h> 55 #include <drm/ttm/ttm_module.h> 56 #include <drm/ttm/ttm_page_alloc.h> 57 58 #include "uapi/drm/nouveau_drm.h" 59 60 struct nouveau_channel; 61 struct platform_device; 62 63 #include "nouveau_fence.h" 64 #include "nouveau_bios.h" 65 #include "nouveau_vmm.h" 66 67 struct nouveau_drm_tile { 68 struct nouveau_fence *fence; 69 bool used; 70 }; 71 72 enum nouveau_drm_object_route { 73 NVDRM_OBJECT_NVIF = NVIF_IOCTL_V0_OWNER_NVIF, 74 NVDRM_OBJECT_USIF, 75 NVDRM_OBJECT_ABI16, 76 NVDRM_OBJECT_ANY = NVIF_IOCTL_V0_OWNER_ANY, 77 }; 78 79 enum nouveau_drm_notify_route { 80 NVDRM_NOTIFY_NVIF = 0, 81 NVDRM_NOTIFY_USIF 82 }; 83 84 enum nouveau_drm_handle { 85 NVDRM_CHAN = 0xcccc0000, /* |= client chid */ 86 NVDRM_NVSW = 0x55550000, 87 }; 88 89 struct nouveau_cli { 90 struct nvif_client base; 91 struct nouveau_drm *drm; 92 struct mutex mutex; 93 94 struct nvif_device device; 95 struct nvif_mmu mmu; 96 struct nouveau_vmm vmm; 97 struct nouveau_vmm svm; 98 const struct nvif_mclass *mem; 99 100 struct list_head head; 101 void *abi16; 102 struct list_head objects; 103 struct list_head notifys; 104 char name[32]; 105 106 struct work_struct work; 107 struct list_head worker; 108 struct mutex lock; 109 }; 110 111 struct nouveau_cli_work { 112 void (*func)(struct nouveau_cli_work *); 113 struct nouveau_cli *cli; 114 struct list_head head; 115 116 struct dma_fence *fence; 117 struct dma_fence_cb cb; 118 }; 119 120 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *, 121 struct nouveau_cli_work *); 122 123 static inline struct nouveau_cli * 124 nouveau_cli(struct drm_file *fpriv) 125 { 126 return fpriv ? fpriv->driver_priv : NULL; 127 } 128 129 #include <nvif/object.h> 130 #include <nvif/device.h> 131 132 struct nouveau_drm { 133 struct nouveau_cli master; 134 struct nouveau_cli client; 135 struct drm_device *dev; 136 137 struct list_head clients; 138 139 struct { 140 struct agp_bridge_data *bridge; 141 u32 base; 142 u32 size; 143 bool cma; 144 } agp; 145 146 /* TTM interface support */ 147 struct { 148 struct ttm_bo_device bdev; 149 atomic_t validate_sequence; 150 int (*move)(struct nouveau_channel *, 151 struct ttm_buffer_object *, 152 struct ttm_mem_reg *, struct ttm_mem_reg *); 153 struct nouveau_channel *chan; 154 struct nvif_object copy; 155 int mtrr; 156 int type_vram; 157 int type_host[2]; 158 int type_ncoh[2]; 159 } ttm; 160 161 /* GEM interface support */ 162 struct { 163 u64 vram_available; 164 u64 gart_available; 165 } gem; 166 167 /* synchronisation */ 168 void *fence; 169 170 /* Global channel management. */ 171 struct { 172 int nr; 173 u64 context_base; 174 } chan; 175 176 /* context for accelerated drm-internal operations */ 177 struct nouveau_channel *cechan; 178 struct nouveau_channel *channel; 179 struct nvkm_gpuobj *notify; 180 struct nouveau_fbdev *fbcon; 181 struct nvif_object nvsw; 182 struct nvif_object ntfy; 183 184 /* nv10-nv40 tiling regions */ 185 struct { 186 struct nouveau_drm_tile reg[15]; 187 spinlock_t lock; 188 } tile; 189 190 /* modesetting */ 191 struct nvbios vbios; 192 struct nouveau_display *display; 193 struct work_struct hpd_work; 194 struct work_struct fbcon_work; 195 int fbcon_new_state; 196 #ifdef CONFIG_ACPI 197 struct notifier_block acpi_nb; 198 #endif 199 200 /* power management */ 201 struct nouveau_hwmon *hwmon; 202 struct nouveau_debugfs *debugfs; 203 204 /* led management */ 205 struct nouveau_led *led; 206 207 /* display power reference */ 208 bool have_disp_power_ref; 209 210 struct dev_pm_domain vga_pm_domain; 211 212 struct nouveau_svm *svm; 213 214 struct nouveau_dmem *dmem; 215 }; 216 217 static inline struct nouveau_drm * 218 nouveau_drm(struct drm_device *dev) 219 { 220 return dev->dev_private; 221 } 222 223 static inline bool 224 nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) 225 { 226 struct nvif_mmu *mmu = &drm->client.mmu; 227 return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); 228 } 229 230 int nouveau_pmops_suspend(struct device *); 231 int nouveau_pmops_resume(struct device *); 232 bool nouveau_pmops_runtime(void); 233 234 #include <nvkm/core/tegra.h> 235 236 struct drm_device * 237 nouveau_platform_device_create(const struct nvkm_device_tegra_func *, 238 struct platform_device *, struct nvkm_device **); 239 void nouveau_drm_device_remove(struct drm_device *dev); 240 241 #define NV_PRINTK(l,c,f,a...) do { \ 242 struct nouveau_cli *_cli = (c); \ 243 dev_##l(_cli->drm->dev->dev, "%s: "f, _cli->name, ##a); \ 244 } while(0) 245 246 #define NV_FATAL(drm,f,a...) NV_PRINTK(crit, &(drm)->client, f, ##a) 247 #define NV_ERROR(drm,f,a...) NV_PRINTK(err, &(drm)->client, f, ##a) 248 #define NV_WARN(drm,f,a...) NV_PRINTK(warn, &(drm)->client, f, ##a) 249 #define NV_INFO(drm,f,a...) NV_PRINTK(info, &(drm)->client, f, ##a) 250 251 #define NV_DEBUG(drm,f,a...) do { \ 252 if (unlikely(drm_debug & DRM_UT_DRIVER)) \ 253 NV_PRINTK(info, &(drm)->client, f, ##a); \ 254 } while(0) 255 #define NV_ATOMIC(drm,f,a...) do { \ 256 if (unlikely(drm_debug & DRM_UT_ATOMIC)) \ 257 NV_PRINTK(info, &(drm)->client, f, ##a); \ 258 } while(0) 259 260 #define NV_PRINTK_ONCE(l,c,f,a...) NV_PRINTK(l##_once,c,f, ##a) 261 262 #define NV_ERROR_ONCE(drm,f,a...) NV_PRINTK_ONCE(err, &(drm)->client, f, ##a) 263 #define NV_WARN_ONCE(drm,f,a...) NV_PRINTK_ONCE(warn, &(drm)->client, f, ##a) 264 #define NV_INFO_ONCE(drm,f,a...) NV_PRINTK_ONCE(info, &(drm)->client, f, ##a) 265 266 extern int nouveau_modeset; 267 268 #endif 269