1312fec14SDave Airlie /* 2312fec14SDave Airlie * Copyright 2012 Red Hat Inc. 3312fec14SDave Airlie * 4312fec14SDave Airlie * Permission is hereby granted, free of charge, to any person obtaining a 5312fec14SDave Airlie * copy of this software and associated documentation files (the 6312fec14SDave Airlie * "Software"), to deal in the Software without restriction, including 7312fec14SDave Airlie * without limitation the rights to use, copy, modify, merge, publish, 8312fec14SDave Airlie * distribute, sub license, and/or sell copies of the Software, and to 9312fec14SDave Airlie * permit persons to whom the Software is furnished to do so, subject to 10312fec14SDave Airlie * the following conditions: 11312fec14SDave Airlie * 12312fec14SDave Airlie * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 13312fec14SDave Airlie * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 14312fec14SDave Airlie * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 15312fec14SDave Airlie * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 16312fec14SDave Airlie * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 17312fec14SDave Airlie * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 18312fec14SDave Airlie * USE OR OTHER DEALINGS IN THE SOFTWARE. 19312fec14SDave Airlie * 20312fec14SDave Airlie * The above copyright notice and this permission notice (including the 21312fec14SDave Airlie * next paragraph) shall be included in all copies or substantial portions 22312fec14SDave Airlie * of the Software. 23312fec14SDave Airlie * 24312fec14SDave Airlie */ 25312fec14SDave Airlie /* 26312fec14SDave Airlie * Authors: Dave Airlie <airlied@redhat.com> 27312fec14SDave Airlie */ 28760285e7SDavid Howells #include <drm/drmP.h> 29312fec14SDave Airlie #include "ast_drv.h" 30312fec14SDave Airlie 31312fec14SDave Airlie 32760285e7SDavid Howells #include <drm/drm_fb_helper.h> 33760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 34312fec14SDave Airlie 35312fec14SDave Airlie #include "ast_dram_tables.h" 36312fec14SDave Airlie 37312fec14SDave Airlie void ast_set_index_reg_mask(struct ast_private *ast, 38312fec14SDave Airlie uint32_t base, uint8_t index, 39312fec14SDave Airlie uint8_t mask, uint8_t val) 40312fec14SDave Airlie { 41312fec14SDave Airlie u8 tmp; 42312fec14SDave Airlie ast_io_write8(ast, base, index); 43312fec14SDave Airlie tmp = (ast_io_read8(ast, base + 1) & mask) | val; 44312fec14SDave Airlie ast_set_index_reg(ast, base, index, tmp); 45312fec14SDave Airlie } 46312fec14SDave Airlie 47312fec14SDave Airlie uint8_t ast_get_index_reg(struct ast_private *ast, 48312fec14SDave Airlie uint32_t base, uint8_t index) 49312fec14SDave Airlie { 50312fec14SDave Airlie uint8_t ret; 51312fec14SDave Airlie ast_io_write8(ast, base, index); 52312fec14SDave Airlie ret = ast_io_read8(ast, base + 1); 53312fec14SDave Airlie return ret; 54312fec14SDave Airlie } 55312fec14SDave Airlie 56312fec14SDave Airlie uint8_t ast_get_index_reg_mask(struct ast_private *ast, 57312fec14SDave Airlie uint32_t base, uint8_t index, uint8_t mask) 58312fec14SDave Airlie { 59312fec14SDave Airlie uint8_t ret; 60312fec14SDave Airlie ast_io_write8(ast, base, index); 61312fec14SDave Airlie ret = ast_io_read8(ast, base + 1) & mask; 62312fec14SDave Airlie return ret; 63312fec14SDave Airlie } 64312fec14SDave Airlie 65312fec14SDave Airlie 66312fec14SDave Airlie static int ast_detect_chip(struct drm_device *dev) 67312fec14SDave Airlie { 68312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 69f1f62f2cSDave Airlie uint32_t data, jreg; 70312fec14SDave Airlie 71312fec14SDave Airlie if (dev->pdev->device == PCI_CHIP_AST1180) { 72312fec14SDave Airlie ast->chip = AST1100; 73312fec14SDave Airlie DRM_INFO("AST 1180 detected\n"); 74312fec14SDave Airlie } else { 751453bf4cSDave Airlie if (dev->pdev->revision >= 0x30) { 761453bf4cSDave Airlie ast->chip = AST2400; 771453bf4cSDave Airlie DRM_INFO("AST 2400 detected\n"); 781453bf4cSDave Airlie } else if (dev->pdev->revision >= 0x20) { 79312fec14SDave Airlie ast->chip = AST2300; 80312fec14SDave Airlie DRM_INFO("AST 2300 detected\n"); 81312fec14SDave Airlie } else if (dev->pdev->revision >= 0x10) { 82312fec14SDave Airlie uint32_t data; 83312fec14SDave Airlie ast_write32(ast, 0xf004, 0x1e6e0000); 84312fec14SDave Airlie ast_write32(ast, 0xf000, 0x1); 85312fec14SDave Airlie 86312fec14SDave Airlie data = ast_read32(ast, 0x1207c); 87312fec14SDave Airlie switch (data & 0x0300) { 88312fec14SDave Airlie case 0x0200: 89312fec14SDave Airlie ast->chip = AST1100; 90312fec14SDave Airlie DRM_INFO("AST 1100 detected\n"); 91312fec14SDave Airlie break; 92312fec14SDave Airlie case 0x0100: 93312fec14SDave Airlie ast->chip = AST2200; 94312fec14SDave Airlie DRM_INFO("AST 2200 detected\n"); 95312fec14SDave Airlie break; 96312fec14SDave Airlie case 0x0000: 97312fec14SDave Airlie ast->chip = AST2150; 98312fec14SDave Airlie DRM_INFO("AST 2150 detected\n"); 99312fec14SDave Airlie break; 100312fec14SDave Airlie default: 101312fec14SDave Airlie ast->chip = AST2100; 102312fec14SDave Airlie DRM_INFO("AST 2100 detected\n"); 103312fec14SDave Airlie break; 104312fec14SDave Airlie } 105312fec14SDave Airlie ast->vga2_clone = false; 106312fec14SDave Airlie } else { 107312fec14SDave Airlie ast->chip = 2000; 108312fec14SDave Airlie DRM_INFO("AST 2000 detected\n"); 109312fec14SDave Airlie } 110312fec14SDave Airlie } 111f1f62f2cSDave Airlie 112f1f62f2cSDave Airlie switch (ast->chip) { 113f1f62f2cSDave Airlie case AST1180: 114f1f62f2cSDave Airlie ast->support_wide_screen = true; 115f1f62f2cSDave Airlie break; 116f1f62f2cSDave Airlie case AST2000: 117f1f62f2cSDave Airlie ast->support_wide_screen = false; 118f1f62f2cSDave Airlie break; 119f1f62f2cSDave Airlie default: 120f1f62f2cSDave Airlie jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff); 121f1f62f2cSDave Airlie if (!(jreg & 0x80)) 122f1f62f2cSDave Airlie ast->support_wide_screen = true; 123f1f62f2cSDave Airlie else if (jreg & 0x01) 124f1f62f2cSDave Airlie ast->support_wide_screen = true; 125f1f62f2cSDave Airlie else { 126f1f62f2cSDave Airlie ast->support_wide_screen = false; 127f1f62f2cSDave Airlie ast_write32(ast, 0xf004, 0x1e6e0000); 128f1f62f2cSDave Airlie ast_write32(ast, 0xf000, 0x1); 129f1f62f2cSDave Airlie data = ast_read32(ast, 0x1207c); 1301453bf4cSDave Airlie data &= 0x300; 1311453bf4cSDave Airlie if (ast->chip == AST2300 && data == 0x0) /* ast1300 */ 132f1f62f2cSDave Airlie ast->support_wide_screen = true; 1331453bf4cSDave Airlie if (ast->chip == AST2400 && data == 0x100) /* ast1400 */ 1341453bf4cSDave Airlie ast->support_wide_screen = true; 135f1f62f2cSDave Airlie } 136f1f62f2cSDave Airlie break; 137f1f62f2cSDave Airlie } 138f1f62f2cSDave Airlie 13983c6620bSDave Airlie ast->tx_chip_type = AST_TX_NONE; 14083c6620bSDave Airlie jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xff); 14183c6620bSDave Airlie if (jreg & 0x80) 14283c6620bSDave Airlie ast->tx_chip_type = AST_TX_SIL164; 14383c6620bSDave Airlie if ((ast->chip == AST2300) || (ast->chip == AST2400)) { 14483c6620bSDave Airlie jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 14583c6620bSDave Airlie switch (jreg) { 14683c6620bSDave Airlie case 0x04: 14783c6620bSDave Airlie ast->tx_chip_type = AST_TX_SIL164; 14883c6620bSDave Airlie break; 14983c6620bSDave Airlie case 0x08: 15083c6620bSDave Airlie ast->dp501_fw_addr = kzalloc(32*1024, GFP_KERNEL); 15183c6620bSDave Airlie if (ast->dp501_fw_addr) { 15283c6620bSDave Airlie /* backup firmware */ 15383c6620bSDave Airlie if (ast_backup_fw(dev, ast->dp501_fw_addr, 32*1024)) { 15483c6620bSDave Airlie kfree(ast->dp501_fw_addr); 15583c6620bSDave Airlie ast->dp501_fw_addr = NULL; 15683c6620bSDave Airlie } 15783c6620bSDave Airlie } 15883c6620bSDave Airlie /* fallthrough */ 15983c6620bSDave Airlie case 0x0c: 16083c6620bSDave Airlie ast->tx_chip_type = AST_TX_DP501; 16183c6620bSDave Airlie } 16283c6620bSDave Airlie } 16383c6620bSDave Airlie 164312fec14SDave Airlie return 0; 165312fec14SDave Airlie } 166312fec14SDave Airlie 167312fec14SDave Airlie static int ast_get_dram_info(struct drm_device *dev) 168312fec14SDave Airlie { 169312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 170312fec14SDave Airlie uint32_t data, data2; 171312fec14SDave Airlie uint32_t denum, num, div, ref_pll; 172312fec14SDave Airlie 173312fec14SDave Airlie ast_write32(ast, 0xf004, 0x1e6e0000); 174312fec14SDave Airlie ast_write32(ast, 0xf000, 0x1); 175312fec14SDave Airlie 176312fec14SDave Airlie 177312fec14SDave Airlie ast_write32(ast, 0x10000, 0xfc600309); 178312fec14SDave Airlie 179312fec14SDave Airlie do { 180312fec14SDave Airlie ; 181312fec14SDave Airlie } while (ast_read32(ast, 0x10000) != 0x01); 182312fec14SDave Airlie data = ast_read32(ast, 0x10004); 183312fec14SDave Airlie 184312fec14SDave Airlie if (data & 0x400) 185312fec14SDave Airlie ast->dram_bus_width = 16; 186312fec14SDave Airlie else 187312fec14SDave Airlie ast->dram_bus_width = 32; 188312fec14SDave Airlie 1891453bf4cSDave Airlie if (ast->chip == AST2300 || ast->chip == AST2400) { 190312fec14SDave Airlie switch (data & 0x03) { 191312fec14SDave Airlie case 0: 192312fec14SDave Airlie ast->dram_type = AST_DRAM_512Mx16; 193312fec14SDave Airlie break; 194312fec14SDave Airlie default: 195312fec14SDave Airlie case 1: 196312fec14SDave Airlie ast->dram_type = AST_DRAM_1Gx16; 197312fec14SDave Airlie break; 198312fec14SDave Airlie case 2: 199312fec14SDave Airlie ast->dram_type = AST_DRAM_2Gx16; 200312fec14SDave Airlie break; 201312fec14SDave Airlie case 3: 202312fec14SDave Airlie ast->dram_type = AST_DRAM_4Gx16; 203312fec14SDave Airlie break; 204312fec14SDave Airlie } 205312fec14SDave Airlie } else { 206312fec14SDave Airlie switch (data & 0x0c) { 207312fec14SDave Airlie case 0: 208312fec14SDave Airlie case 4: 209312fec14SDave Airlie ast->dram_type = AST_DRAM_512Mx16; 210312fec14SDave Airlie break; 211312fec14SDave Airlie case 8: 212312fec14SDave Airlie if (data & 0x40) 213312fec14SDave Airlie ast->dram_type = AST_DRAM_1Gx16; 214312fec14SDave Airlie else 215312fec14SDave Airlie ast->dram_type = AST_DRAM_512Mx32; 216312fec14SDave Airlie break; 217312fec14SDave Airlie case 0xc: 218312fec14SDave Airlie ast->dram_type = AST_DRAM_1Gx32; 219312fec14SDave Airlie break; 220312fec14SDave Airlie } 221312fec14SDave Airlie } 222312fec14SDave Airlie 223312fec14SDave Airlie data = ast_read32(ast, 0x10120); 224312fec14SDave Airlie data2 = ast_read32(ast, 0x10170); 225312fec14SDave Airlie if (data2 & 0x2000) 226312fec14SDave Airlie ref_pll = 14318; 227312fec14SDave Airlie else 228312fec14SDave Airlie ref_pll = 12000; 229312fec14SDave Airlie 230312fec14SDave Airlie denum = data & 0x1f; 231312fec14SDave Airlie num = (data & 0x3fe0) >> 5; 232312fec14SDave Airlie data = (data & 0xc000) >> 14; 233312fec14SDave Airlie switch (data) { 234312fec14SDave Airlie case 3: 235312fec14SDave Airlie div = 0x4; 236312fec14SDave Airlie break; 237312fec14SDave Airlie case 2: 238312fec14SDave Airlie case 1: 239312fec14SDave Airlie div = 0x2; 240312fec14SDave Airlie break; 241312fec14SDave Airlie default: 242312fec14SDave Airlie div = 0x1; 243312fec14SDave Airlie break; 244312fec14SDave Airlie } 245312fec14SDave Airlie ast->mclk = ref_pll * (num + 2) / (denum + 2) * (div * 1000); 246312fec14SDave Airlie return 0; 247312fec14SDave Airlie } 248312fec14SDave Airlie 249312fec14SDave Airlie static void ast_user_framebuffer_destroy(struct drm_framebuffer *fb) 250312fec14SDave Airlie { 251312fec14SDave Airlie struct ast_framebuffer *ast_fb = to_ast_framebuffer(fb); 252312fec14SDave Airlie if (ast_fb->obj) 253312fec14SDave Airlie drm_gem_object_unreference_unlocked(ast_fb->obj); 254312fec14SDave Airlie 255312fec14SDave Airlie drm_framebuffer_cleanup(fb); 256312fec14SDave Airlie kfree(fb); 257312fec14SDave Airlie } 258312fec14SDave Airlie 259312fec14SDave Airlie static const struct drm_framebuffer_funcs ast_fb_funcs = { 260312fec14SDave Airlie .destroy = ast_user_framebuffer_destroy, 261312fec14SDave Airlie }; 262312fec14SDave Airlie 263312fec14SDave Airlie 264312fec14SDave Airlie int ast_framebuffer_init(struct drm_device *dev, 265312fec14SDave Airlie struct ast_framebuffer *ast_fb, 266312fec14SDave Airlie struct drm_mode_fb_cmd2 *mode_cmd, 267312fec14SDave Airlie struct drm_gem_object *obj) 268312fec14SDave Airlie { 269312fec14SDave Airlie int ret; 270312fec14SDave Airlie 271c7d73f6aSDaniel Vetter drm_helper_mode_fill_fb_struct(&ast_fb->base, mode_cmd); 272c7d73f6aSDaniel Vetter ast_fb->obj = obj; 273312fec14SDave Airlie ret = drm_framebuffer_init(dev, &ast_fb->base, &ast_fb_funcs); 274312fec14SDave Airlie if (ret) { 275312fec14SDave Airlie DRM_ERROR("framebuffer init failed %d\n", ret); 276312fec14SDave Airlie return ret; 277312fec14SDave Airlie } 278312fec14SDave Airlie return 0; 279312fec14SDave Airlie } 280312fec14SDave Airlie 281312fec14SDave Airlie static struct drm_framebuffer * 282312fec14SDave Airlie ast_user_framebuffer_create(struct drm_device *dev, 283312fec14SDave Airlie struct drm_file *filp, 284312fec14SDave Airlie struct drm_mode_fb_cmd2 *mode_cmd) 285312fec14SDave Airlie { 286312fec14SDave Airlie struct drm_gem_object *obj; 287312fec14SDave Airlie struct ast_framebuffer *ast_fb; 288312fec14SDave Airlie int ret; 289312fec14SDave Airlie 290312fec14SDave Airlie obj = drm_gem_object_lookup(dev, filp, mode_cmd->handles[0]); 291312fec14SDave Airlie if (obj == NULL) 292312fec14SDave Airlie return ERR_PTR(-ENOENT); 293312fec14SDave Airlie 294312fec14SDave Airlie ast_fb = kzalloc(sizeof(*ast_fb), GFP_KERNEL); 295312fec14SDave Airlie if (!ast_fb) { 296312fec14SDave Airlie drm_gem_object_unreference_unlocked(obj); 297312fec14SDave Airlie return ERR_PTR(-ENOMEM); 298312fec14SDave Airlie } 299312fec14SDave Airlie 300312fec14SDave Airlie ret = ast_framebuffer_init(dev, ast_fb, mode_cmd, obj); 301312fec14SDave Airlie if (ret) { 302312fec14SDave Airlie drm_gem_object_unreference_unlocked(obj); 303312fec14SDave Airlie kfree(ast_fb); 304312fec14SDave Airlie return ERR_PTR(ret); 305312fec14SDave Airlie } 306312fec14SDave Airlie return &ast_fb->base; 307312fec14SDave Airlie } 308312fec14SDave Airlie 309312fec14SDave Airlie static const struct drm_mode_config_funcs ast_mode_funcs = { 310312fec14SDave Airlie .fb_create = ast_user_framebuffer_create, 311312fec14SDave Airlie }; 312312fec14SDave Airlie 313312fec14SDave Airlie static u32 ast_get_vram_info(struct drm_device *dev) 314312fec14SDave Airlie { 315312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 316312fec14SDave Airlie u8 jreg; 31783c6620bSDave Airlie u32 vram_size; 318312fec14SDave Airlie ast_open_key(ast); 319312fec14SDave Airlie 32083c6620bSDave Airlie vram_size = AST_VIDMEM_DEFAULT_SIZE; 321312fec14SDave Airlie jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xaa, 0xff); 322312fec14SDave Airlie switch (jreg & 3) { 32383c6620bSDave Airlie case 0: vram_size = AST_VIDMEM_SIZE_8M; break; 32483c6620bSDave Airlie case 1: vram_size = AST_VIDMEM_SIZE_16M; break; 32583c6620bSDave Airlie case 2: vram_size = AST_VIDMEM_SIZE_32M; break; 32683c6620bSDave Airlie case 3: vram_size = AST_VIDMEM_SIZE_64M; break; 327312fec14SDave Airlie } 32883c6620bSDave Airlie 32983c6620bSDave Airlie jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x99, 0xff); 33083c6620bSDave Airlie switch (jreg & 0x03) { 33183c6620bSDave Airlie case 1: 33283c6620bSDave Airlie vram_size -= 0x100000; 33383c6620bSDave Airlie break; 33483c6620bSDave Airlie case 2: 33583c6620bSDave Airlie vram_size -= 0x200000; 33683c6620bSDave Airlie break; 33783c6620bSDave Airlie case 3: 33883c6620bSDave Airlie vram_size -= 0x400000; 33983c6620bSDave Airlie break; 34083c6620bSDave Airlie } 34183c6620bSDave Airlie 34283c6620bSDave Airlie return vram_size; 343312fec14SDave Airlie } 344312fec14SDave Airlie 345312fec14SDave Airlie int ast_driver_load(struct drm_device *dev, unsigned long flags) 346312fec14SDave Airlie { 347312fec14SDave Airlie struct ast_private *ast; 348312fec14SDave Airlie int ret = 0; 349312fec14SDave Airlie 350312fec14SDave Airlie ast = kzalloc(sizeof(struct ast_private), GFP_KERNEL); 351312fec14SDave Airlie if (!ast) 352312fec14SDave Airlie return -ENOMEM; 353312fec14SDave Airlie 354312fec14SDave Airlie dev->dev_private = ast; 355312fec14SDave Airlie ast->dev = dev; 356312fec14SDave Airlie 357312fec14SDave Airlie ast->regs = pci_iomap(dev->pdev, 1, 0); 358312fec14SDave Airlie if (!ast->regs) { 359312fec14SDave Airlie ret = -EIO; 360312fec14SDave Airlie goto out_free; 361312fec14SDave Airlie } 362312fec14SDave Airlie ast->ioregs = pci_iomap(dev->pdev, 2, 0); 363312fec14SDave Airlie if (!ast->ioregs) { 364312fec14SDave Airlie ret = -EIO; 365312fec14SDave Airlie goto out_free; 366312fec14SDave Airlie } 367312fec14SDave Airlie 368312fec14SDave Airlie ast_detect_chip(dev); 369312fec14SDave Airlie 370312fec14SDave Airlie if (ast->chip != AST1180) { 371312fec14SDave Airlie ast_get_dram_info(dev); 372312fec14SDave Airlie ast->vram_size = ast_get_vram_info(dev); 373312fec14SDave Airlie DRM_INFO("dram %d %d %d %08x\n", ast->mclk, ast->dram_type, ast->dram_bus_width, ast->vram_size); 374312fec14SDave Airlie } 375312fec14SDave Airlie 376312fec14SDave Airlie ret = ast_mm_init(ast); 377312fec14SDave Airlie if (ret) 378312fec14SDave Airlie goto out_free; 379312fec14SDave Airlie 380312fec14SDave Airlie drm_mode_config_init(dev); 381312fec14SDave Airlie 382312fec14SDave Airlie dev->mode_config.funcs = (void *)&ast_mode_funcs; 383312fec14SDave Airlie dev->mode_config.min_width = 0; 384312fec14SDave Airlie dev->mode_config.min_height = 0; 385312fec14SDave Airlie dev->mode_config.preferred_depth = 24; 386312fec14SDave Airlie dev->mode_config.prefer_shadow = 1; 387312fec14SDave Airlie 388312fec14SDave Airlie if (ast->chip == AST2100 || 389312fec14SDave Airlie ast->chip == AST2200 || 390312fec14SDave Airlie ast->chip == AST2300 || 3911453bf4cSDave Airlie ast->chip == AST2400 || 392312fec14SDave Airlie ast->chip == AST1180) { 393312fec14SDave Airlie dev->mode_config.max_width = 1920; 394312fec14SDave Airlie dev->mode_config.max_height = 2048; 395312fec14SDave Airlie } else { 396312fec14SDave Airlie dev->mode_config.max_width = 1600; 397312fec14SDave Airlie dev->mode_config.max_height = 1200; 398312fec14SDave Airlie } 399312fec14SDave Airlie 400312fec14SDave Airlie ret = ast_mode_init(dev); 401312fec14SDave Airlie if (ret) 402312fec14SDave Airlie goto out_free; 403312fec14SDave Airlie 404312fec14SDave Airlie ret = ast_fbdev_init(dev); 405312fec14SDave Airlie if (ret) 406312fec14SDave Airlie goto out_free; 407312fec14SDave Airlie 408312fec14SDave Airlie return 0; 409312fec14SDave Airlie out_free: 410312fec14SDave Airlie kfree(ast); 411312fec14SDave Airlie dev->dev_private = NULL; 412312fec14SDave Airlie return ret; 413312fec14SDave Airlie } 414312fec14SDave Airlie 415312fec14SDave Airlie int ast_driver_unload(struct drm_device *dev) 416312fec14SDave Airlie { 417312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 418312fec14SDave Airlie 41983c6620bSDave Airlie kfree(ast->dp501_fw_addr); 420312fec14SDave Airlie ast_mode_fini(dev); 421312fec14SDave Airlie ast_fbdev_fini(dev); 422312fec14SDave Airlie drm_mode_config_cleanup(dev); 423312fec14SDave Airlie 424312fec14SDave Airlie ast_mm_fini(ast); 425312fec14SDave Airlie pci_iounmap(dev->pdev, ast->ioregs); 426312fec14SDave Airlie pci_iounmap(dev->pdev, ast->regs); 427312fec14SDave Airlie kfree(ast); 428312fec14SDave Airlie return 0; 429312fec14SDave Airlie } 430312fec14SDave Airlie 431312fec14SDave Airlie int ast_gem_create(struct drm_device *dev, 432312fec14SDave Airlie u32 size, bool iskernel, 433312fec14SDave Airlie struct drm_gem_object **obj) 434312fec14SDave Airlie { 435312fec14SDave Airlie struct ast_bo *astbo; 436312fec14SDave Airlie int ret; 437312fec14SDave Airlie 438312fec14SDave Airlie *obj = NULL; 439312fec14SDave Airlie 440312fec14SDave Airlie size = roundup(size, PAGE_SIZE); 441312fec14SDave Airlie if (size == 0) 442312fec14SDave Airlie return -EINVAL; 443312fec14SDave Airlie 444312fec14SDave Airlie ret = ast_bo_create(dev, size, 0, 0, &astbo); 445312fec14SDave Airlie if (ret) { 446312fec14SDave Airlie if (ret != -ERESTARTSYS) 447312fec14SDave Airlie DRM_ERROR("failed to allocate GEM object\n"); 448312fec14SDave Airlie return ret; 449312fec14SDave Airlie } 450312fec14SDave Airlie *obj = &astbo->gem; 451312fec14SDave Airlie return 0; 452312fec14SDave Airlie } 453312fec14SDave Airlie 454312fec14SDave Airlie int ast_dumb_create(struct drm_file *file, 455312fec14SDave Airlie struct drm_device *dev, 456312fec14SDave Airlie struct drm_mode_create_dumb *args) 457312fec14SDave Airlie { 458312fec14SDave Airlie int ret; 459312fec14SDave Airlie struct drm_gem_object *gobj; 460312fec14SDave Airlie u32 handle; 461312fec14SDave Airlie 462312fec14SDave Airlie args->pitch = args->width * ((args->bpp + 7) / 8); 463312fec14SDave Airlie args->size = args->pitch * args->height; 464312fec14SDave Airlie 465312fec14SDave Airlie ret = ast_gem_create(dev, args->size, false, 466312fec14SDave Airlie &gobj); 467312fec14SDave Airlie if (ret) 468312fec14SDave Airlie return ret; 469312fec14SDave Airlie 470312fec14SDave Airlie ret = drm_gem_handle_create(file, gobj, &handle); 471312fec14SDave Airlie drm_gem_object_unreference_unlocked(gobj); 472312fec14SDave Airlie if (ret) 473312fec14SDave Airlie return ret; 474312fec14SDave Airlie 475312fec14SDave Airlie args->handle = handle; 476312fec14SDave Airlie return 0; 477312fec14SDave Airlie } 478312fec14SDave Airlie 479f6109803SRashika static void ast_bo_unref(struct ast_bo **bo) 480312fec14SDave Airlie { 481312fec14SDave Airlie struct ttm_buffer_object *tbo; 482312fec14SDave Airlie 483312fec14SDave Airlie if ((*bo) == NULL) 484312fec14SDave Airlie return; 485312fec14SDave Airlie 486312fec14SDave Airlie tbo = &((*bo)->bo); 487312fec14SDave Airlie ttm_bo_unref(&tbo); 488312fec14SDave Airlie if (tbo == NULL) 489312fec14SDave Airlie *bo = NULL; 490312fec14SDave Airlie 491312fec14SDave Airlie } 492312fec14SDave Airlie void ast_gem_free_object(struct drm_gem_object *obj) 493312fec14SDave Airlie { 494312fec14SDave Airlie struct ast_bo *ast_bo = gem_to_ast_bo(obj); 495312fec14SDave Airlie 496312fec14SDave Airlie if (!ast_bo) 497312fec14SDave Airlie return; 498312fec14SDave Airlie ast_bo_unref(&ast_bo); 499312fec14SDave Airlie } 500312fec14SDave Airlie 501312fec14SDave Airlie 502312fec14SDave Airlie static inline u64 ast_bo_mmap_offset(struct ast_bo *bo) 503312fec14SDave Airlie { 50472525b3fSDavid Herrmann return drm_vma_node_offset_addr(&bo->bo.vma_node); 505312fec14SDave Airlie } 506312fec14SDave Airlie int 507312fec14SDave Airlie ast_dumb_mmap_offset(struct drm_file *file, 508312fec14SDave Airlie struct drm_device *dev, 509312fec14SDave Airlie uint32_t handle, 510312fec14SDave Airlie uint64_t *offset) 511312fec14SDave Airlie { 512312fec14SDave Airlie struct drm_gem_object *obj; 513312fec14SDave Airlie int ret; 514312fec14SDave Airlie struct ast_bo *bo; 515312fec14SDave Airlie 516312fec14SDave Airlie mutex_lock(&dev->struct_mutex); 517312fec14SDave Airlie obj = drm_gem_object_lookup(dev, file, handle); 518312fec14SDave Airlie if (obj == NULL) { 519312fec14SDave Airlie ret = -ENOENT; 520312fec14SDave Airlie goto out_unlock; 521312fec14SDave Airlie } 522312fec14SDave Airlie 523312fec14SDave Airlie bo = gem_to_ast_bo(obj); 524312fec14SDave Airlie *offset = ast_bo_mmap_offset(bo); 525312fec14SDave Airlie 526312fec14SDave Airlie drm_gem_object_unreference(obj); 527312fec14SDave Airlie ret = 0; 528312fec14SDave Airlie out_unlock: 529312fec14SDave Airlie mutex_unlock(&dev->struct_mutex); 530312fec14SDave Airlie return ret; 531312fec14SDave Airlie 532312fec14SDave Airlie } 533312fec14SDave Airlie 534