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 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) 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 const struct nvif_mclass *mem; 100 101 struct list_head head; 102 void *abi16; 103 struct list_head objects; 104 struct list_head notifys; 105 char name[32]; 106 107 struct work_struct work; 108 struct list_head worker; 109 struct mutex lock; 110 }; 111 112 struct nouveau_cli_work { 113 void (*func)(struct nouveau_cli_work *); 114 struct nouveau_cli *cli; 115 struct list_head head; 116 117 struct dma_fence *fence; 118 struct dma_fence_cb cb; 119 }; 120 121 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *, 122 struct nouveau_cli_work *); 123 124 static inline struct nouveau_cli * 125 nouveau_cli(struct drm_file *fpriv) 126 { 127 return fpriv ? fpriv->driver_priv : NULL; 128 } 129 130 #include <nvif/object.h> 131 #include <nvif/device.h> 132 133 struct nouveau_drm { 134 struct nouveau_cli master; 135 struct nouveau_cli client; 136 struct drm_device *dev; 137 138 struct list_head clients; 139 140 struct { 141 struct agp_bridge_data *bridge; 142 u32 base; 143 u32 size; 144 bool cma; 145 } agp; 146 147 /* TTM interface support */ 148 struct { 149 struct drm_global_reference mem_global_ref; 150 struct ttm_bo_global_ref bo_global_ref; 151 struct ttm_bo_device bdev; 152 atomic_t validate_sequence; 153 int (*move)(struct nouveau_channel *, 154 struct ttm_buffer_object *, 155 struct ttm_mem_reg *, struct ttm_mem_reg *); 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 } ttm; 163 164 /* GEM interface support */ 165 struct { 166 u64 vram_available; 167 u64 gart_available; 168 } gem; 169 170 /* synchronisation */ 171 void *fence; 172 173 /* Global channel management. */ 174 struct { 175 int nr; 176 u64 context_base; 177 } chan; 178 179 /* context for accelerated drm-internal operations */ 180 struct nouveau_channel *cechan; 181 struct nouveau_channel *channel; 182 struct nvkm_gpuobj *notify; 183 struct nouveau_fbdev *fbcon; 184 struct nvif_object nvsw; 185 struct nvif_object ntfy; 186 struct nvif_notify flip; 187 188 /* nv10-nv40 tiling regions */ 189 struct { 190 struct nouveau_drm_tile reg[15]; 191 spinlock_t lock; 192 } tile; 193 194 /* modesetting */ 195 struct nvbios vbios; 196 struct nouveau_display *display; 197 struct backlight_device *backlight; 198 struct list_head bl_connectors; 199 struct work_struct hpd_work; 200 struct work_struct fbcon_work; 201 int fbcon_new_state; 202 #ifdef CONFIG_ACPI 203 struct notifier_block acpi_nb; 204 #endif 205 206 /* power management */ 207 struct nouveau_hwmon *hwmon; 208 struct nouveau_debugfs *debugfs; 209 210 /* led management */ 211 struct nouveau_led *led; 212 213 /* display power reference */ 214 bool have_disp_power_ref; 215 216 struct dev_pm_domain vga_pm_domain; 217 }; 218 219 static inline struct nouveau_drm * 220 nouveau_drm(struct drm_device *dev) 221 { 222 return dev->dev_private; 223 } 224 225 static inline bool 226 nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) 227 { 228 struct nvif_mmu *mmu = &drm->client.mmu; 229 return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); 230 } 231 232 int nouveau_pmops_suspend(struct device *); 233 int nouveau_pmops_resume(struct device *); 234 bool nouveau_pmops_runtime(void); 235 236 #include <nvkm/core/tegra.h> 237 238 struct drm_device * 239 nouveau_platform_device_create(const struct nvkm_device_tegra_func *, 240 struct platform_device *, struct nvkm_device **); 241 void nouveau_drm_device_remove(struct drm_device *dev); 242 243 #define NV_PRINTK(l,c,f,a...) do { \ 244 struct nouveau_cli *_cli = (c); \ 245 dev_##l(_cli->drm->dev->dev, "%s: "f, _cli->name, ##a); \ 246 } while(0) 247 #define NV_FATAL(drm,f,a...) NV_PRINTK(crit, &(drm)->client, f, ##a) 248 #define NV_ERROR(drm,f,a...) NV_PRINTK(err, &(drm)->client, f, ##a) 249 #define NV_WARN(drm,f,a...) NV_PRINTK(warn, &(drm)->client, f, ##a) 250 #define NV_INFO(drm,f,a...) NV_PRINTK(info, &(drm)->client, f, ##a) 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 extern int nouveau_modeset; 261 262 #endif 263