1312fec14SDave Airlie /* 2312fec14SDave Airlie * Copyright 2012 Red Hat Inc. 3312fec14SDave Airlie * Parts based on xf86-video-ast 4312fec14SDave Airlie * Copyright (c) 2005 ASPEED Technology Inc. 5312fec14SDave Airlie * 6312fec14SDave Airlie * Permission is hereby granted, free of charge, to any person obtaining a 7312fec14SDave Airlie * copy of this software and associated documentation files (the 8312fec14SDave Airlie * "Software"), to deal in the Software without restriction, including 9312fec14SDave Airlie * without limitation the rights to use, copy, modify, merge, publish, 10312fec14SDave Airlie * distribute, sub license, and/or sell copies of the Software, and to 11312fec14SDave Airlie * permit persons to whom the Software is furnished to do so, subject to 12312fec14SDave Airlie * the following conditions: 13312fec14SDave Airlie * 14312fec14SDave Airlie * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15312fec14SDave Airlie * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16312fec14SDave Airlie * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 17312fec14SDave Airlie * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 18312fec14SDave Airlie * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19312fec14SDave Airlie * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20312fec14SDave Airlie * USE OR OTHER DEALINGS IN THE SOFTWARE. 21312fec14SDave Airlie * 22312fec14SDave Airlie * The above copyright notice and this permission notice (including the 23312fec14SDave Airlie * next paragraph) shall be included in all copies or substantial portions 24312fec14SDave Airlie * of the Software. 25312fec14SDave Airlie * 26312fec14SDave Airlie */ 27312fec14SDave Airlie /* 28312fec14SDave Airlie * Authors: Dave Airlie <airlied@redhat.com> 29312fec14SDave Airlie */ 30fbbbd160SSam Ravnborg 31312fec14SDave Airlie #include <linux/export.h> 32fbbbd160SSam Ravnborg #include <linux/pci.h> 33fbbbd160SSam Ravnborg 34ae46a57dSThomas Zimmermann #include <drm/drm_atomic.h> 35a6ff807bSThomas Zimmermann #include <drm/drm_atomic_helper.h> 36a6ff807bSThomas Zimmermann #include <drm/drm_atomic_state_helper.h> 37760285e7SDavid Howells #include <drm/drm_crtc.h> 38760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 39255490f9SVille Syrjälä #include <drm/drm_edid.h> 40fbbbd160SSam Ravnborg #include <drm/drm_fourcc.h> 414d36cf07SThomas Zimmermann #include <drm/drm_gem_atomic_helper.h> 42e6949ff3SThomas Zimmermann #include <drm/drm_gem_framebuffer_helper.h> 43fbbbd160SSam Ravnborg #include <drm/drm_gem_vram_helper.h> 443ab26eddSThomas Zimmermann #include <drm/drm_managed.h> 45fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 464220fdf0SThomas Zimmermann #include <drm/drm_simple_kms_helper.h> 47312fec14SDave Airlie 48fbbbd160SSam Ravnborg #include "ast_drv.h" 49312fec14SDave Airlie #include "ast_tables.h" 50312fec14SDave Airlie 51ce7fcf70SJocelyn Falempe #define AST_LUT_SIZE 256 52ce7fcf70SJocelyn Falempe 53312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 54312fec14SDave Airlie u8 index, u8 red, u8 green, 55312fec14SDave Airlie u8 blue) 56312fec14SDave Airlie { 57312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 58312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 59312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 60312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 61312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 62312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 63312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 64312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 65312fec14SDave Airlie } 66312fec14SDave Airlie 67ce7fcf70SJocelyn Falempe static void ast_crtc_set_gamma_linear(struct ast_private *ast, 68ce7fcf70SJocelyn Falempe const struct drm_format_info *format) 69312fec14SDave Airlie { 70312fec14SDave Airlie int i; 71312fec14SDave Airlie 72ce7fcf70SJocelyn Falempe switch (format->format) { 73ce7fcf70SJocelyn Falempe case DRM_FORMAT_C8: /* In this case, gamma table is used as color palette */ 74ce7fcf70SJocelyn Falempe case DRM_FORMAT_RGB565: 75ce7fcf70SJocelyn Falempe case DRM_FORMAT_XRGB8888: 76ce7fcf70SJocelyn Falempe for (i = 0; i < AST_LUT_SIZE; i++) 77ce7fcf70SJocelyn Falempe ast_load_palette_index(ast, i, i, i, i); 78ce7fcf70SJocelyn Falempe break; 79ce7fcf70SJocelyn Falempe default: 80ce7fcf70SJocelyn Falempe drm_warn_once(&ast->base, "Unsupported format %p4cc for gamma correction\n", 81ce7fcf70SJocelyn Falempe &format->format); 82ce7fcf70SJocelyn Falempe break; 83ce7fcf70SJocelyn Falempe } 84ce7fcf70SJocelyn Falempe } 85312fec14SDave Airlie 86ce7fcf70SJocelyn Falempe static void ast_crtc_set_gamma(struct ast_private *ast, 87ce7fcf70SJocelyn Falempe const struct drm_format_info *format, 88ce7fcf70SJocelyn Falempe struct drm_color_lut *lut) 89ce7fcf70SJocelyn Falempe { 90ce7fcf70SJocelyn Falempe int i; 913bffd962SPeter Rosin 92ce7fcf70SJocelyn Falempe switch (format->format) { 93ce7fcf70SJocelyn Falempe case DRM_FORMAT_C8: /* In this case, gamma table is used as color palette */ 94ce7fcf70SJocelyn Falempe case DRM_FORMAT_RGB565: 95ce7fcf70SJocelyn Falempe case DRM_FORMAT_XRGB8888: 96ce7fcf70SJocelyn Falempe for (i = 0; i < AST_LUT_SIZE; i++) 97ce7fcf70SJocelyn Falempe ast_load_palette_index(ast, i, 98ce7fcf70SJocelyn Falempe lut[i].red >> 8, 99ce7fcf70SJocelyn Falempe lut[i].green >> 8, 100ce7fcf70SJocelyn Falempe lut[i].blue >> 8); 101ce7fcf70SJocelyn Falempe break; 102ce7fcf70SJocelyn Falempe default: 103ce7fcf70SJocelyn Falempe drm_warn_once(&ast->base, "Unsupported format %p4cc for gamma correction\n", 104ce7fcf70SJocelyn Falempe &format->format); 105ce7fcf70SJocelyn Falempe break; 106ce7fcf70SJocelyn Falempe } 107312fec14SDave Airlie } 108312fec14SDave Airlie 109ae37025dSThomas Zimmermann static bool ast_get_vbios_mode_info(const struct drm_format_info *format, 110259d14a7SThomas Zimmermann const struct drm_display_mode *mode, 111312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 112312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 113312fec14SDave Airlie { 114259d14a7SThomas Zimmermann u32 refresh_rate_index = 0, refresh_rate; 11522acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 116312fec14SDave Airlie u32 hborder, vborder; 11794d12b13SY.C. Chen bool check_sync; 118312fec14SDave Airlie 119ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 120312fec14SDave Airlie case 8: 121312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 122312fec14SDave Airlie break; 123312fec14SDave Airlie case 16: 124312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 125312fec14SDave Airlie break; 126312fec14SDave Airlie case 24: 127312fec14SDave Airlie case 32: 128312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 129312fec14SDave Airlie break; 130312fec14SDave Airlie default: 131312fec14SDave Airlie return false; 132312fec14SDave Airlie } 133312fec14SDave Airlie 134259d14a7SThomas Zimmermann switch (mode->crtc_hdisplay) { 135312fec14SDave Airlie case 640: 136312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 137312fec14SDave Airlie break; 138312fec14SDave Airlie case 800: 139312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 140312fec14SDave Airlie break; 141312fec14SDave Airlie case 1024: 142312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 143312fec14SDave Airlie break; 14471dee036SJammy Huang case 1152: 14571dee036SJammy Huang vbios_mode->enh_table = &res_1152x864[refresh_rate_index]; 14671dee036SJammy Huang break; 147312fec14SDave Airlie case 1280: 148259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 800) 149312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 150312fec14SDave Airlie else 151312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 152312fec14SDave Airlie break; 153f1f62f2cSDave Airlie case 1360: 154f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 155f1f62f2cSDave Airlie break; 156312fec14SDave Airlie case 1440: 157312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 158312fec14SDave Airlie break; 159312fec14SDave Airlie case 1600: 160259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 900) 161f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 162f1f62f2cSDave Airlie else 163312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 164312fec14SDave Airlie break; 165312fec14SDave Airlie case 1680: 166312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 167312fec14SDave Airlie break; 168312fec14SDave Airlie case 1920: 169259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 1080) 170312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 171312fec14SDave Airlie else 172312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 173312fec14SDave Airlie break; 174312fec14SDave Airlie default: 175312fec14SDave Airlie return false; 176312fec14SDave Airlie } 177312fec14SDave Airlie 178312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 17994d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 180259d14a7SThomas Zimmermann 181259d14a7SThomas Zimmermann while (1) { 18222acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 18394d12b13SY.C. Chen 18494d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 18594d12b13SY.C. Chen if ((check_sync) && 18694d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 18794d12b13SY.C. Chen (loop->flags & PVSync)) || 18894d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 18994d12b13SY.C. Chen (loop->flags & NVSync)) || 19094d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 19194d12b13SY.C. Chen (loop->flags & PHSync)) || 19294d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 19394d12b13SY.C. Chen (loop->flags & NHSync)))) { 19494d12b13SY.C. Chen loop++; 19594d12b13SY.C. Chen continue; 19694d12b13SY.C. Chen } 19794d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 19894d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 19994d12b13SY.C. Chen best = loop; 20094d12b13SY.C. Chen loop++; 20194d12b13SY.C. Chen } 20294d12b13SY.C. Chen if (best || !check_sync) 203312fec14SDave Airlie break; 20494d12b13SY.C. Chen check_sync = 0; 205259d14a7SThomas Zimmermann } 206259d14a7SThomas Zimmermann 20794d12b13SY.C. Chen if (best) 20894d12b13SY.C. Chen vbios_mode->enh_table = best; 209312fec14SDave Airlie 210312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 211312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 212312fec14SDave Airlie 213312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 214312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 215312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 216312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 217312fec14SDave Airlie vbios_mode->enh_table->hfp; 218312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 219312fec14SDave Airlie vbios_mode->enh_table->hfp + 220312fec14SDave Airlie vbios_mode->enh_table->hsync); 221312fec14SDave Airlie 222312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 223312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 224312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 225312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 226312fec14SDave Airlie vbios_mode->enh_table->vfp; 227312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 228312fec14SDave Airlie vbios_mode->enh_table->vfp + 229312fec14SDave Airlie vbios_mode->enh_table->vsync); 230312fec14SDave Airlie 231259d14a7SThomas Zimmermann return true; 232259d14a7SThomas Zimmermann } 233259d14a7SThomas Zimmermann 234ae37025dSThomas Zimmermann static void ast_set_vbios_color_reg(struct ast_private *ast, 235ae37025dSThomas Zimmermann const struct drm_format_info *format, 236259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 237259d14a7SThomas Zimmermann { 238259d14a7SThomas Zimmermann u32 color_index; 239259d14a7SThomas Zimmermann 240ae37025dSThomas Zimmermann switch (format->cpp[0]) { 241259d14a7SThomas Zimmermann case 1: 242259d14a7SThomas Zimmermann color_index = VGAModeIndex - 1; 243259d14a7SThomas Zimmermann break; 244259d14a7SThomas Zimmermann case 2: 245259d14a7SThomas Zimmermann color_index = HiCModeIndex; 246259d14a7SThomas Zimmermann break; 247259d14a7SThomas Zimmermann case 3: 248259d14a7SThomas Zimmermann case 4: 249259d14a7SThomas Zimmermann color_index = TrueCModeIndex; 250291ddeb6SColin Ian King break; 251259d14a7SThomas Zimmermann default: 252259d14a7SThomas Zimmermann return; 253259d14a7SThomas Zimmermann } 254259d14a7SThomas Zimmermann 255259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); 256259d14a7SThomas Zimmermann 257259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 258259d14a7SThomas Zimmermann 259259d14a7SThomas Zimmermann if (vbios_mode->enh_table->flags & NewModeInfo) { 260259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 261ae37025dSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8); 262259d14a7SThomas Zimmermann } 263259d14a7SThomas Zimmermann } 264259d14a7SThomas Zimmermann 265ae37025dSThomas Zimmermann static void ast_set_vbios_mode_reg(struct ast_private *ast, 266259d14a7SThomas Zimmermann const struct drm_display_mode *adjusted_mode, 267259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 268259d14a7SThomas Zimmermann { 269259d14a7SThomas Zimmermann u32 refresh_rate_index, mode_id; 270259d14a7SThomas Zimmermann 271312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 272312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 273312fec14SDave Airlie 274312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 275312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 276312fec14SDave Airlie 277f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 278259d14a7SThomas Zimmermann 279f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 280312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 281312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 282312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 283312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 284312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 285312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 286312fec14SDave Airlie } 287f1f62f2cSDave Airlie } 288312fec14SDave Airlie 289ae37025dSThomas Zimmermann static void ast_set_std_reg(struct ast_private *ast, 290ae37025dSThomas Zimmermann struct drm_display_mode *mode, 291312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 292312fec14SDave Airlie { 29322acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 294312fec14SDave Airlie u32 i; 295312fec14SDave Airlie u8 jreg; 296312fec14SDave Airlie 297312fec14SDave Airlie stdtable = vbios_mode->std_table; 298312fec14SDave Airlie 299312fec14SDave Airlie jreg = stdtable->misc; 300312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 301312fec14SDave Airlie 3022fbeec03SThomas Zimmermann /* Set SEQ; except Screen Disable field */ 303312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 3042fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]); 3052fbeec03SThomas Zimmermann for (i = 1; i < 4; i++) { 306312fec14SDave Airlie jreg = stdtable->seq[i]; 307312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1), jreg); 308312fec14SDave Airlie } 309312fec14SDave Airlie 310a21fdd7aSThomas Zimmermann /* Set CRTC; except base address and offset */ 311312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 312a21fdd7aSThomas Zimmermann for (i = 0; i < 12; i++) 313a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 314a21fdd7aSThomas Zimmermann for (i = 14; i < 19; i++) 315a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 316a21fdd7aSThomas Zimmermann for (i = 20; i < 25; i++) 317312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 318312fec14SDave Airlie 319312fec14SDave Airlie /* set AR */ 320312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 321312fec14SDave Airlie for (i = 0; i < 20; i++) { 322312fec14SDave Airlie jreg = stdtable->ar[i]; 323312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 324312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 325312fec14SDave Airlie } 326312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 327312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 328312fec14SDave Airlie 329312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 330312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 331312fec14SDave Airlie 332312fec14SDave Airlie /* Set GR */ 333312fec14SDave Airlie for (i = 0; i < 9; i++) 334312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 335312fec14SDave Airlie } 336312fec14SDave Airlie 337ae37025dSThomas Zimmermann static void ast_set_crtc_reg(struct ast_private *ast, 338ae37025dSThomas Zimmermann struct drm_display_mode *mode, 339312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 340312fec14SDave Airlie { 341312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 3429f93c8b3SY.C. Chen u16 temp, precache = 0; 3439f93c8b3SY.C. Chen 344d6cbe630SJammy Huang if ((ast->chip == AST2500 || ast->chip == AST2600) && 3459f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 3469f93c8b3SY.C. Chen precache = 40; 347312fec14SDave Airlie 348312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 349312fec14SDave Airlie 350312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 351312fec14SDave Airlie if (temp & 0x100) 352312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 353312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 354312fec14SDave Airlie 355312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 356312fec14SDave Airlie if (temp & 0x100) 357312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 358312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 359312fec14SDave Airlie 360312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 361312fec14SDave Airlie if (temp & 0x100) 362312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 363312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 364312fec14SDave Airlie 365312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 366312fec14SDave Airlie if (temp & 0x20) 367312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 368312fec14SDave Airlie if (temp & 0x40) 369312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 370312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 371312fec14SDave Airlie 3729f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 373312fec14SDave Airlie if (temp & 0x100) 374312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 375312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 376312fec14SDave Airlie 3779f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 378312fec14SDave Airlie if (temp & 0x20) 379312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 380312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 381312fec14SDave Airlie 382312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 383312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 384312fec14SDave Airlie 385d6cbe630SJammy Huang // Workaround for HSync Time non octave pixels (1920x1080@60Hz HSync 44 pixels); 386d6cbe630SJammy Huang if ((ast->chip == AST2600) && (mode->crtc_vdisplay == 1080)) 387d6cbe630SJammy Huang ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xFC, 0xFD, 0x02); 388d6cbe630SJammy Huang else 389d6cbe630SJammy Huang ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xFC, 0xFD, 0x00); 390d6cbe630SJammy Huang 391312fec14SDave Airlie /* vert timings */ 392312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 393312fec14SDave Airlie if (temp & 0x100) 394312fec14SDave Airlie jreg07 |= 0x01; 395312fec14SDave Airlie if (temp & 0x200) 396312fec14SDave Airlie jreg07 |= 0x20; 397312fec14SDave Airlie if (temp & 0x400) 398312fec14SDave Airlie jregAE |= 0x01; 399312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 400312fec14SDave Airlie 401312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 402312fec14SDave Airlie if (temp & 0x100) 403312fec14SDave Airlie jreg07 |= 0x04; 404312fec14SDave Airlie if (temp & 0x200) 405312fec14SDave Airlie jreg07 |= 0x80; 406312fec14SDave Airlie if (temp & 0x400) 407312fec14SDave Airlie jregAE |= 0x08; 408312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 409312fec14SDave Airlie 410312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 411312fec14SDave Airlie if (temp & 0x10) 412312fec14SDave Airlie jregAE |= 0x20; 413312fec14SDave Airlie if (temp & 0x20) 414312fec14SDave Airlie jregAE |= 0x40; 415312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 416312fec14SDave Airlie 417312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 418312fec14SDave Airlie if (temp & 0x100) 419312fec14SDave Airlie jreg07 |= 0x02; 420312fec14SDave Airlie if (temp & 0x200) 421312fec14SDave Airlie jreg07 |= 0x40; 422312fec14SDave Airlie if (temp & 0x400) 423312fec14SDave Airlie jregAE |= 0x02; 424312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 425312fec14SDave Airlie 426312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 427312fec14SDave Airlie if (temp & 0x100) 428312fec14SDave Airlie jreg07 |= 0x08; 429312fec14SDave Airlie if (temp & 0x200) 430312fec14SDave Airlie jreg09 |= 0x20; 431312fec14SDave Airlie if (temp & 0x400) 432312fec14SDave Airlie jregAE |= 0x04; 433312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 434312fec14SDave Airlie 435312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 436312fec14SDave Airlie if (temp & 0x100) 437312fec14SDave Airlie jregAE |= 0x10; 438312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 439312fec14SDave Airlie 440312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 441312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 442312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 443312fec14SDave Airlie 4449f93c8b3SY.C. Chen if (precache) 4459f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 4469f93c8b3SY.C. Chen else 4479f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 4489f93c8b3SY.C. Chen 449312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 450312fec14SDave Airlie } 451312fec14SDave Airlie 452ae37025dSThomas Zimmermann static void ast_set_offset_reg(struct ast_private *ast, 453ae37025dSThomas Zimmermann struct drm_framebuffer *fb) 454312fec14SDave Airlie { 455312fec14SDave Airlie u16 offset; 456312fec14SDave Airlie 4577445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 458312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 459312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 460312fec14SDave Airlie } 461312fec14SDave Airlie 462ae37025dSThomas Zimmermann static void ast_set_dclk_reg(struct ast_private *ast, 463ae37025dSThomas Zimmermann struct drm_display_mode *mode, 464312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 465312fec14SDave Airlie { 46622acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 467312fec14SDave Airlie 468d6cbe630SJammy Huang if ((ast->chip == AST2500) || (ast->chip == AST2600)) 4699f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4709f93c8b3SY.C. Chen else 471312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 472312fec14SDave Airlie 473312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 474312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 475312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4769f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4779f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 478312fec14SDave Airlie } 479312fec14SDave Airlie 480ae37025dSThomas Zimmermann static void ast_set_color_reg(struct ast_private *ast, 481ae37025dSThomas Zimmermann const struct drm_format_info *format) 482312fec14SDave Airlie { 483312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 484312fec14SDave Airlie 485ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 486312fec14SDave Airlie case 8: 487312fec14SDave Airlie jregA0 = 0x70; 488312fec14SDave Airlie jregA3 = 0x01; 489312fec14SDave Airlie jregA8 = 0x00; 490312fec14SDave Airlie break; 491312fec14SDave Airlie case 15: 492312fec14SDave Airlie case 16: 493312fec14SDave Airlie jregA0 = 0x70; 494312fec14SDave Airlie jregA3 = 0x04; 495312fec14SDave Airlie jregA8 = 0x02; 496312fec14SDave Airlie break; 497312fec14SDave Airlie case 32: 498312fec14SDave Airlie jregA0 = 0x70; 499312fec14SDave Airlie jregA3 = 0x08; 500312fec14SDave Airlie jregA8 = 0x02; 501312fec14SDave Airlie break; 502312fec14SDave Airlie } 503312fec14SDave Airlie 504312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 505312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 506312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 5070d45ad98SThomas Zimmermann } 5080d45ad98SThomas Zimmermann 509ae37025dSThomas Zimmermann static void ast_set_crtthd_reg(struct ast_private *ast) 5100d45ad98SThomas Zimmermann { 511312fec14SDave Airlie /* Set Threshold */ 512bcc77411SKuoHsiang Chou if (ast->chip == AST2600) { 513bcc77411SKuoHsiang Chou ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0xe0); 514bcc77411SKuoHsiang Chou ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0xa0); 515bcc77411SKuoHsiang Chou } else if (ast->chip == AST2300 || ast->chip == AST2400 || 5169f93c8b3SY.C. Chen ast->chip == AST2500) { 517312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 518312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 519312fec14SDave Airlie } else if (ast->chip == AST2100 || 520312fec14SDave Airlie ast->chip == AST1100 || 521312fec14SDave Airlie ast->chip == AST2200 || 522312fec14SDave Airlie ast->chip == AST2150) { 523312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 524312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 525312fec14SDave Airlie } else { 526312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 527312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 528312fec14SDave Airlie } 529312fec14SDave Airlie } 530312fec14SDave Airlie 531ae37025dSThomas Zimmermann static void ast_set_sync_reg(struct ast_private *ast, 532ae37025dSThomas Zimmermann struct drm_display_mode *mode, 533312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 534312fec14SDave Airlie { 535312fec14SDave Airlie u8 jreg; 536312fec14SDave Airlie 537312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 53894d12b13SY.C. Chen jreg &= ~0xC0; 5396c9bd443SGregory Williams if (vbios_mode->enh_table->flags & NVSync) 5406c9bd443SGregory Williams jreg |= 0x80; 5416c9bd443SGregory Williams if (vbios_mode->enh_table->flags & NHSync) 5426c9bd443SGregory Williams jreg |= 0x40; 543312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 544312fec14SDave Airlie } 545312fec14SDave Airlie 546ae37025dSThomas Zimmermann static void ast_set_start_address_crt1(struct ast_private *ast, 5476c9bd443SGregory Williams unsigned int offset) 548312fec14SDave Airlie { 549312fec14SDave Airlie u32 addr; 550312fec14SDave Airlie 551312fec14SDave Airlie addr = offset >> 2; 552312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 553312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 554312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 555312fec14SDave Airlie 556312fec14SDave Airlie } 557312fec14SDave Airlie 55839edb287SThomas Zimmermann static void ast_wait_for_vretrace(struct ast_private *ast) 55939edb287SThomas Zimmermann { 56039edb287SThomas Zimmermann unsigned long timeout = jiffies + HZ; 56139edb287SThomas Zimmermann u8 vgair1; 56239edb287SThomas Zimmermann 56339edb287SThomas Zimmermann do { 56439edb287SThomas Zimmermann vgair1 = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 56539edb287SThomas Zimmermann } while (!(vgair1 & AST_IO_VGAIR1_VREFRESH) && time_before(jiffies, timeout)); 56639edb287SThomas Zimmermann } 56739edb287SThomas Zimmermann 568a6ff807bSThomas Zimmermann /* 569a6ff807bSThomas Zimmermann * Primary plane 570a6ff807bSThomas Zimmermann */ 571a6ff807bSThomas Zimmermann 572a6ff807bSThomas Zimmermann static const uint32_t ast_primary_plane_formats[] = { 573a6ff807bSThomas Zimmermann DRM_FORMAT_XRGB8888, 574a6ff807bSThomas Zimmermann DRM_FORMAT_RGB565, 575a6ff807bSThomas Zimmermann DRM_FORMAT_C8, 576a6ff807bSThomas Zimmermann }; 577a6ff807bSThomas Zimmermann 578ae46a57dSThomas Zimmermann static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, 5797c11b99aSMaxime Ripard struct drm_atomic_state *state) 580a6ff807bSThomas Zimmermann { 5810432a504SThomas Zimmermann struct drm_device *dev = plane->dev; 5827c11b99aSMaxime Ripard struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 5837c11b99aSMaxime Ripard plane); 5840432a504SThomas Zimmermann struct drm_crtc_state *crtc_state = NULL; 5853339fdf5SThomas Zimmermann struct ast_crtc_state *ast_crtc_state; 586ae46a57dSThomas Zimmermann int ret; 587ae46a57dSThomas Zimmermann 5880432a504SThomas Zimmermann if (new_plane_state->crtc) 5890432a504SThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_state->crtc); 590ae46a57dSThomas Zimmermann 591ba5c1649SMaxime Ripard ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, 592cce32e4eSThomas Zimmermann DRM_PLANE_NO_SCALING, 593cce32e4eSThomas Zimmermann DRM_PLANE_NO_SCALING, 594ae46a57dSThomas Zimmermann false, true); 5950432a504SThomas Zimmermann if (ret) { 596ae46a57dSThomas Zimmermann return ret; 5970432a504SThomas Zimmermann } else if (!new_plane_state->visible) { 5980432a504SThomas Zimmermann if (drm_WARN_ON(dev, new_plane_state->crtc)) /* cannot legally happen */ 5990432a504SThomas Zimmermann return -EINVAL; 6000432a504SThomas Zimmermann else 6013339fdf5SThomas Zimmermann return 0; 6020432a504SThomas Zimmermann } 6033339fdf5SThomas Zimmermann 6043339fdf5SThomas Zimmermann ast_crtc_state = to_ast_crtc_state(crtc_state); 6053339fdf5SThomas Zimmermann 606ba5c1649SMaxime Ripard ast_crtc_state->format = new_plane_state->fb->format; 6073339fdf5SThomas Zimmermann 608a6ff807bSThomas Zimmermann return 0; 609a6ff807bSThomas Zimmermann } 610a6ff807bSThomas Zimmermann 6113a53230eSSamuel Zou static void 6123a53230eSSamuel Zou ast_primary_plane_helper_atomic_update(struct drm_plane *plane, 613977697e2SMaxime Ripard struct drm_atomic_state *state) 614a6ff807bSThomas Zimmermann { 615977697e2SMaxime Ripard struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 616977697e2SMaxime Ripard plane); 6171a19b4cbSThomas Zimmermann struct drm_device *dev = plane->dev; 6181a19b4cbSThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 61937418bf1SMaxime Ripard struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 62037418bf1SMaxime Ripard plane); 621a6ff807bSThomas Zimmermann struct drm_gem_vram_object *gbo; 622a6ff807bSThomas Zimmermann s64 gpu_addr; 62341016fe1SMaxime Ripard struct drm_framebuffer *fb = new_state->fb; 6245638c82cSThomas Zimmermann struct drm_framebuffer *old_fb = old_state->fb; 625a6ff807bSThomas Zimmermann 6265638c82cSThomas Zimmermann if (!old_fb || (fb->format != old_fb->format)) { 62741016fe1SMaxime Ripard struct drm_crtc_state *crtc_state = new_state->crtc->state; 6285638c82cSThomas Zimmermann struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 6295638c82cSThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info; 6305638c82cSThomas Zimmermann 6315638c82cSThomas Zimmermann ast_set_color_reg(ast, fb->format); 6325638c82cSThomas Zimmermann ast_set_vbios_color_reg(ast, fb->format, vbios_mode_info); 6335638c82cSThomas Zimmermann } 6345638c82cSThomas Zimmermann 6355638c82cSThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 636a6ff807bSThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 6371a19b4cbSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, gpu_addr < 0)) 638a6ff807bSThomas Zimmermann return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ 639a6ff807bSThomas Zimmermann 6405638c82cSThomas Zimmermann ast_set_offset_reg(ast, fb); 641ae37025dSThomas Zimmermann ast_set_start_address_crt1(ast, (u32)gpu_addr); 6422fbeec03SThomas Zimmermann 6432fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); 6442fbeec03SThomas Zimmermann } 6452fbeec03SThomas Zimmermann 6462fbeec03SThomas Zimmermann static void 6472fbeec03SThomas Zimmermann ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, 648977697e2SMaxime Ripard struct drm_atomic_state *state) 6492fbeec03SThomas Zimmermann { 650fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 6512fbeec03SThomas Zimmermann 6522fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 653a6ff807bSThomas Zimmermann } 654a6ff807bSThomas Zimmermann 655a6ff807bSThomas Zimmermann static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { 656f8bd3dbbSDaniel Vetter DRM_GEM_VRAM_PLANE_HELPER_FUNCS, 657a6ff807bSThomas Zimmermann .atomic_check = ast_primary_plane_helper_atomic_check, 658a6ff807bSThomas Zimmermann .atomic_update = ast_primary_plane_helper_atomic_update, 6592fbeec03SThomas Zimmermann .atomic_disable = ast_primary_plane_helper_atomic_disable, 660a6ff807bSThomas Zimmermann }; 661a6ff807bSThomas Zimmermann 662a6ff807bSThomas Zimmermann static const struct drm_plane_funcs ast_primary_plane_funcs = { 663a6ff807bSThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 664a6ff807bSThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 665a6ff807bSThomas Zimmermann .destroy = drm_plane_cleanup, 666a6ff807bSThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 667a6ff807bSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 668a6ff807bSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 669a6ff807bSThomas Zimmermann }; 670a6ff807bSThomas Zimmermann 671616048afSThomas Zimmermann static int ast_primary_plane_init(struct ast_private *ast) 672616048afSThomas Zimmermann { 673616048afSThomas Zimmermann struct drm_device *dev = &ast->base; 674616048afSThomas Zimmermann struct drm_plane *primary_plane = &ast->primary_plane; 675616048afSThomas Zimmermann int ret; 676616048afSThomas Zimmermann 677616048afSThomas Zimmermann ret = drm_universal_plane_init(dev, primary_plane, 0x01, 678616048afSThomas Zimmermann &ast_primary_plane_funcs, 679616048afSThomas Zimmermann ast_primary_plane_formats, 680616048afSThomas Zimmermann ARRAY_SIZE(ast_primary_plane_formats), 681616048afSThomas Zimmermann NULL, DRM_PLANE_TYPE_PRIMARY, NULL); 682616048afSThomas Zimmermann if (ret) { 683616048afSThomas Zimmermann drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret); 684616048afSThomas Zimmermann return ret; 685616048afSThomas Zimmermann } 686616048afSThomas Zimmermann drm_plane_helper_add(primary_plane, &ast_primary_plane_helper_funcs); 687616048afSThomas Zimmermann 688616048afSThomas Zimmermann return 0; 689616048afSThomas Zimmermann } 690616048afSThomas Zimmermann 691a6ff807bSThomas Zimmermann /* 69202f3bb75SThomas Zimmermann * Cursor plane 69302f3bb75SThomas Zimmermann */ 69402f3bb75SThomas Zimmermann 695718c2286SThomas Zimmermann static void ast_update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height) 696718c2286SThomas Zimmermann { 697718c2286SThomas Zimmermann union { 698718c2286SThomas Zimmermann u32 ul; 699718c2286SThomas Zimmermann u8 b[4]; 700718c2286SThomas Zimmermann } srcdata32[2], data32; 701718c2286SThomas Zimmermann union { 702718c2286SThomas Zimmermann u16 us; 703718c2286SThomas Zimmermann u8 b[2]; 704718c2286SThomas Zimmermann } data16; 705718c2286SThomas Zimmermann u32 csum = 0; 706718c2286SThomas Zimmermann s32 alpha_dst_delta, last_alpha_dst_delta; 707718c2286SThomas Zimmermann u8 __iomem *dstxor; 708718c2286SThomas Zimmermann const u8 *srcxor; 709718c2286SThomas Zimmermann int i, j; 710718c2286SThomas Zimmermann u32 per_pixel_copy, two_pixel_copy; 711718c2286SThomas Zimmermann 712718c2286SThomas Zimmermann alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 713718c2286SThomas Zimmermann last_alpha_dst_delta = alpha_dst_delta - (width << 1); 714718c2286SThomas Zimmermann 715718c2286SThomas Zimmermann srcxor = src; 716718c2286SThomas Zimmermann dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 717718c2286SThomas Zimmermann per_pixel_copy = width & 1; 718718c2286SThomas Zimmermann two_pixel_copy = width >> 1; 719718c2286SThomas Zimmermann 720718c2286SThomas Zimmermann for (j = 0; j < height; j++) { 721718c2286SThomas Zimmermann for (i = 0; i < two_pixel_copy; i++) { 722718c2286SThomas Zimmermann srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 723718c2286SThomas Zimmermann srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 724718c2286SThomas Zimmermann data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 725718c2286SThomas Zimmermann data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 726718c2286SThomas Zimmermann data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 727718c2286SThomas Zimmermann data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 728718c2286SThomas Zimmermann 729718c2286SThomas Zimmermann writel(data32.ul, dstxor); 730718c2286SThomas Zimmermann csum += data32.ul; 731718c2286SThomas Zimmermann 732718c2286SThomas Zimmermann dstxor += 4; 733718c2286SThomas Zimmermann srcxor += 8; 734718c2286SThomas Zimmermann 735718c2286SThomas Zimmermann } 736718c2286SThomas Zimmermann 737718c2286SThomas Zimmermann for (i = 0; i < per_pixel_copy; i++) { 738718c2286SThomas Zimmermann srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 739718c2286SThomas Zimmermann data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 740718c2286SThomas Zimmermann data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 741718c2286SThomas Zimmermann writew(data16.us, dstxor); 742718c2286SThomas Zimmermann csum += (u32)data16.us; 743718c2286SThomas Zimmermann 744718c2286SThomas Zimmermann dstxor += 2; 745718c2286SThomas Zimmermann srcxor += 4; 746718c2286SThomas Zimmermann } 747718c2286SThomas Zimmermann dstxor += last_alpha_dst_delta; 748718c2286SThomas Zimmermann } 749718c2286SThomas Zimmermann 750718c2286SThomas Zimmermann /* write checksum + signature */ 751718c2286SThomas Zimmermann dst += AST_HWC_SIZE; 752718c2286SThomas Zimmermann writel(csum, dst); 753718c2286SThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 754718c2286SThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 755718c2286SThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 756718c2286SThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 757718c2286SThomas Zimmermann } 758718c2286SThomas Zimmermann 759718c2286SThomas Zimmermann static void ast_set_cursor_base(struct ast_private *ast, u64 address) 760718c2286SThomas Zimmermann { 761718c2286SThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 762718c2286SThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 763718c2286SThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 764718c2286SThomas Zimmermann 765718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 766718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 767718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 768718c2286SThomas Zimmermann } 769718c2286SThomas Zimmermann 770718c2286SThomas Zimmermann static void ast_set_cursor_location(struct ast_private *ast, u16 x, u16 y, 771718c2286SThomas Zimmermann u8 x_offset, u8 y_offset) 772718c2286SThomas Zimmermann { 773718c2286SThomas Zimmermann u8 x0 = (x & 0x00ff); 774718c2286SThomas Zimmermann u8 x1 = (x & 0x0f00) >> 8; 775718c2286SThomas Zimmermann u8 y0 = (y & 0x00ff); 776718c2286SThomas Zimmermann u8 y1 = (y & 0x0700) >> 8; 777718c2286SThomas Zimmermann 778718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 779718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 780718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0); 781718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1); 782718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0); 783718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1); 784718c2286SThomas Zimmermann } 785718c2286SThomas Zimmermann 786718c2286SThomas Zimmermann static void ast_set_cursor_enabled(struct ast_private *ast, bool enabled) 787718c2286SThomas Zimmermann { 788718c2286SThomas Zimmermann static const u8 mask = (u8)~(AST_IO_VGACRCB_HWC_16BPP | 789718c2286SThomas Zimmermann AST_IO_VGACRCB_HWC_ENABLED); 790718c2286SThomas Zimmermann 791718c2286SThomas Zimmermann u8 vgacrcb = AST_IO_VGACRCB_HWC_16BPP; 792718c2286SThomas Zimmermann 793718c2286SThomas Zimmermann if (enabled) 794718c2286SThomas Zimmermann vgacrcb |= AST_IO_VGACRCB_HWC_ENABLED; 795718c2286SThomas Zimmermann 796718c2286SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, mask, vgacrcb); 797718c2286SThomas Zimmermann } 798718c2286SThomas Zimmermann 79902f3bb75SThomas Zimmermann static const uint32_t ast_cursor_plane_formats[] = { 80002f3bb75SThomas Zimmermann DRM_FORMAT_ARGB8888, 80102f3bb75SThomas Zimmermann }; 80202f3bb75SThomas Zimmermann 80302f3bb75SThomas Zimmermann static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, 8047c11b99aSMaxime Ripard struct drm_atomic_state *state) 80502f3bb75SThomas Zimmermann { 8067c11b99aSMaxime Ripard struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 8077c11b99aSMaxime Ripard plane); 808ba5c1649SMaxime Ripard struct drm_framebuffer *fb = new_plane_state->fb; 8090432a504SThomas Zimmermann struct drm_crtc_state *crtc_state = NULL; 810ae46a57dSThomas Zimmermann int ret; 811ae46a57dSThomas Zimmermann 8120432a504SThomas Zimmermann if (new_plane_state->crtc) 8130432a504SThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_state->crtc); 814ae46a57dSThomas Zimmermann 815ba5c1649SMaxime Ripard ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, 816cce32e4eSThomas Zimmermann DRM_PLANE_NO_SCALING, 817cce32e4eSThomas Zimmermann DRM_PLANE_NO_SCALING, 818ae46a57dSThomas Zimmermann true, true); 8190432a504SThomas Zimmermann if (ret || !new_plane_state->visible) 820ae46a57dSThomas Zimmermann return ret; 821ae46a57dSThomas Zimmermann 822ae46a57dSThomas Zimmermann if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) 823ae46a57dSThomas Zimmermann return -EINVAL; 824ae46a57dSThomas Zimmermann 82502f3bb75SThomas Zimmermann return 0; 82602f3bb75SThomas Zimmermann } 82702f3bb75SThomas Zimmermann 82802f3bb75SThomas Zimmermann static void 82902f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, 830977697e2SMaxime Ripard struct drm_atomic_state *state) 83102f3bb75SThomas Zimmermann { 832afee7e95SThomas Zimmermann struct ast_cursor_plane *ast_cursor_plane = to_ast_cursor_plane(plane); 833977697e2SMaxime Ripard struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 834977697e2SMaxime Ripard plane); 83537418bf1SMaxime Ripard struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 83637418bf1SMaxime Ripard plane); 83741016fe1SMaxime Ripard struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(new_state); 83841016fe1SMaxime Ripard struct drm_framebuffer *fb = new_state->fb; 839365c0e70SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 8407938f421SLucas De Marchi struct iosys_map dst_map = 8414d36cf07SThomas Zimmermann ast_cursor_plane->hwc[ast_cursor_plane->next_hwc_index].map; 842385131f3SThomas Zimmermann u64 dst_off = 843385131f3SThomas Zimmermann ast_cursor_plane->hwc[ast_cursor_plane->next_hwc_index].off; 8447938f421SLucas De Marchi struct iosys_map src_map = shadow_plane_state->data[0]; 84581039adcSThomas Zimmermann unsigned int offset_x, offset_y; 846718c2286SThomas Zimmermann u16 x, y; 847718c2286SThomas Zimmermann u8 x_offset, y_offset; 848718c2286SThomas Zimmermann u8 __iomem *dst; 849718c2286SThomas Zimmermann u8 __iomem *sig; 8504d36cf07SThomas Zimmermann const u8 *src; 851718c2286SThomas Zimmermann 8524d36cf07SThomas Zimmermann src = src_map.vaddr; /* TODO: Use mapping abstraction properly */ 8534d36cf07SThomas Zimmermann dst = dst_map.vaddr_iomem; /* TODO: Use mapping abstraction properly */ 8544d36cf07SThomas Zimmermann sig = dst + AST_HWC_SIZE; /* TODO: Use mapping abstraction properly */ 8554d36cf07SThomas Zimmermann 8564d36cf07SThomas Zimmermann /* 8574d36cf07SThomas Zimmermann * Do data transfer to HW cursor BO. If a new cursor image was installed, 8584d36cf07SThomas Zimmermann * point the scanout engine to dst_gbo's offset and page-flip the HWC buffers. 8594d36cf07SThomas Zimmermann */ 8604d36cf07SThomas Zimmermann 8614d36cf07SThomas Zimmermann ast_update_cursor_image(dst, src, fb->width, fb->height); 862718c2286SThomas Zimmermann 86341016fe1SMaxime Ripard if (new_state->fb != old_state->fb) { 864385131f3SThomas Zimmermann ast_set_cursor_base(ast, dst_off); 865718c2286SThomas Zimmermann 866afee7e95SThomas Zimmermann ++ast_cursor_plane->next_hwc_index; 867afee7e95SThomas Zimmermann ast_cursor_plane->next_hwc_index %= ARRAY_SIZE(ast_cursor_plane->hwc); 868718c2286SThomas Zimmermann } 869718c2286SThomas Zimmermann 8704d36cf07SThomas Zimmermann /* 8714d36cf07SThomas Zimmermann * Update location in HWC signature and registers. 8724d36cf07SThomas Zimmermann */ 873718c2286SThomas Zimmermann 87441016fe1SMaxime Ripard writel(new_state->crtc_x, sig + AST_HWC_SIGNATURE_X); 87541016fe1SMaxime Ripard writel(new_state->crtc_y, sig + AST_HWC_SIGNATURE_Y); 876718c2286SThomas Zimmermann 87781039adcSThomas Zimmermann offset_x = AST_MAX_HWC_WIDTH - fb->width; 878ee4a92d6SThomas Zimmermann offset_y = AST_MAX_HWC_HEIGHT - fb->height; 87902f3bb75SThomas Zimmermann 88041016fe1SMaxime Ripard if (new_state->crtc_x < 0) { 88141016fe1SMaxime Ripard x_offset = (-new_state->crtc_x) + offset_x; 882718c2286SThomas Zimmermann x = 0; 883718c2286SThomas Zimmermann } else { 884718c2286SThomas Zimmermann x_offset = offset_x; 88541016fe1SMaxime Ripard x = new_state->crtc_x; 886718c2286SThomas Zimmermann } 88741016fe1SMaxime Ripard if (new_state->crtc_y < 0) { 88841016fe1SMaxime Ripard y_offset = (-new_state->crtc_y) + offset_y; 889718c2286SThomas Zimmermann y = 0; 890718c2286SThomas Zimmermann } else { 891718c2286SThomas Zimmermann y_offset = offset_y; 89241016fe1SMaxime Ripard y = new_state->crtc_y; 89302f3bb75SThomas Zimmermann } 89402f3bb75SThomas Zimmermann 895718c2286SThomas Zimmermann ast_set_cursor_location(ast, x, y, x_offset, y_offset); 896718c2286SThomas Zimmermann 8974d36cf07SThomas Zimmermann /* Dummy write to enable HWC and make the HW pick-up the changes. */ 898718c2286SThomas Zimmermann ast_set_cursor_enabled(ast, true); 89902f3bb75SThomas Zimmermann } 90002f3bb75SThomas Zimmermann 90102f3bb75SThomas Zimmermann static void 90202f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, 903977697e2SMaxime Ripard struct drm_atomic_state *state) 90402f3bb75SThomas Zimmermann { 905fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 90602f3bb75SThomas Zimmermann 907718c2286SThomas Zimmermann ast_set_cursor_enabled(ast, false); 90802f3bb75SThomas Zimmermann } 90902f3bb75SThomas Zimmermann 91002f3bb75SThomas Zimmermann static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { 9114d36cf07SThomas Zimmermann DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, 91202f3bb75SThomas Zimmermann .atomic_check = ast_cursor_plane_helper_atomic_check, 91302f3bb75SThomas Zimmermann .atomic_update = ast_cursor_plane_helper_atomic_update, 91402f3bb75SThomas Zimmermann .atomic_disable = ast_cursor_plane_helper_atomic_disable, 91502f3bb75SThomas Zimmermann }; 91602f3bb75SThomas Zimmermann 91722b6591fSThomas Zimmermann static void ast_cursor_plane_destroy(struct drm_plane *plane) 91822b6591fSThomas Zimmermann { 919afee7e95SThomas Zimmermann struct ast_cursor_plane *ast_cursor_plane = to_ast_cursor_plane(plane); 92022b6591fSThomas Zimmermann size_t i; 92122b6591fSThomas Zimmermann struct drm_gem_vram_object *gbo; 9227938f421SLucas De Marchi struct iosys_map map; 92322b6591fSThomas Zimmermann 924afee7e95SThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast_cursor_plane->hwc); ++i) { 925afee7e95SThomas Zimmermann gbo = ast_cursor_plane->hwc[i].gbo; 92684810d6aSThomas Zimmermann map = ast_cursor_plane->hwc[i].map; 92784810d6aSThomas Zimmermann drm_gem_vram_vunmap(gbo, &map); 92822b6591fSThomas Zimmermann drm_gem_vram_unpin(gbo); 92922b6591fSThomas Zimmermann drm_gem_vram_put(gbo); 93022b6591fSThomas Zimmermann } 93122b6591fSThomas Zimmermann 93222b6591fSThomas Zimmermann drm_plane_cleanup(plane); 93322b6591fSThomas Zimmermann } 93422b6591fSThomas Zimmermann 93502f3bb75SThomas Zimmermann static const struct drm_plane_funcs ast_cursor_plane_funcs = { 93602f3bb75SThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 93702f3bb75SThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 93822b6591fSThomas Zimmermann .destroy = ast_cursor_plane_destroy, 9394d36cf07SThomas Zimmermann DRM_GEM_SHADOW_PLANE_FUNCS, 94002f3bb75SThomas Zimmermann }; 94102f3bb75SThomas Zimmermann 942616048afSThomas Zimmermann static int ast_cursor_plane_init(struct ast_private *ast) 943616048afSThomas Zimmermann { 944616048afSThomas Zimmermann struct drm_device *dev = &ast->base; 945a0ba992dSThomas Zimmermann struct ast_cursor_plane *ast_cursor_plane = &ast->cursor_plane; 946a0ba992dSThomas Zimmermann struct drm_plane *cursor_plane = &ast_cursor_plane->base; 94722b6591fSThomas Zimmermann size_t size, i; 94822b6591fSThomas Zimmermann struct drm_gem_vram_object *gbo; 9497938f421SLucas De Marchi struct iosys_map map; 950616048afSThomas Zimmermann int ret; 951385131f3SThomas Zimmermann s64 off; 952616048afSThomas Zimmermann 95322b6591fSThomas Zimmermann /* 95422b6591fSThomas Zimmermann * Allocate backing storage for cursors. The BOs are permanently 95522b6591fSThomas Zimmermann * pinned to the top end of the VRAM. 95622b6591fSThomas Zimmermann */ 95722b6591fSThomas Zimmermann 95822b6591fSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 95922b6591fSThomas Zimmermann 960afee7e95SThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast_cursor_plane->hwc); ++i) { 96122b6591fSThomas Zimmermann gbo = drm_gem_vram_create(dev, size, 0); 96222b6591fSThomas Zimmermann if (IS_ERR(gbo)) { 96322b6591fSThomas Zimmermann ret = PTR_ERR(gbo); 96422b6591fSThomas Zimmermann goto err_hwc; 96522b6591fSThomas Zimmermann } 96622b6591fSThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | 96722b6591fSThomas Zimmermann DRM_GEM_VRAM_PL_FLAG_TOPDOWN); 96822b6591fSThomas Zimmermann if (ret) 96922b6591fSThomas Zimmermann goto err_drm_gem_vram_put; 97084810d6aSThomas Zimmermann ret = drm_gem_vram_vmap(gbo, &map); 97184810d6aSThomas Zimmermann if (ret) 97284810d6aSThomas Zimmermann goto err_drm_gem_vram_unpin; 973385131f3SThomas Zimmermann off = drm_gem_vram_offset(gbo); 974385131f3SThomas Zimmermann if (off < 0) { 975385131f3SThomas Zimmermann ret = off; 976385131f3SThomas Zimmermann goto err_drm_gem_vram_vunmap; 977385131f3SThomas Zimmermann } 978afee7e95SThomas Zimmermann ast_cursor_plane->hwc[i].gbo = gbo; 97984810d6aSThomas Zimmermann ast_cursor_plane->hwc[i].map = map; 980385131f3SThomas Zimmermann ast_cursor_plane->hwc[i].off = off; 98122b6591fSThomas Zimmermann } 98222b6591fSThomas Zimmermann 98322b6591fSThomas Zimmermann /* 98422b6591fSThomas Zimmermann * Create the cursor plane. The plane's destroy callback will release 98522b6591fSThomas Zimmermann * the backing storages' BO memory. 98622b6591fSThomas Zimmermann */ 98722b6591fSThomas Zimmermann 988616048afSThomas Zimmermann ret = drm_universal_plane_init(dev, cursor_plane, 0x01, 989616048afSThomas Zimmermann &ast_cursor_plane_funcs, 990616048afSThomas Zimmermann ast_cursor_plane_formats, 991616048afSThomas Zimmermann ARRAY_SIZE(ast_cursor_plane_formats), 992616048afSThomas Zimmermann NULL, DRM_PLANE_TYPE_CURSOR, NULL); 993616048afSThomas Zimmermann if (ret) { 99422b6591fSThomas Zimmermann drm_err(dev, "drm_universal_plane failed(): %d\n", ret); 99522b6591fSThomas Zimmermann goto err_hwc; 996616048afSThomas Zimmermann } 997616048afSThomas Zimmermann drm_plane_helper_add(cursor_plane, &ast_cursor_plane_helper_funcs); 998616048afSThomas Zimmermann 999616048afSThomas Zimmermann return 0; 100022b6591fSThomas Zimmermann 100122b6591fSThomas Zimmermann err_hwc: 100222b6591fSThomas Zimmermann while (i) { 100322b6591fSThomas Zimmermann --i; 1004afee7e95SThomas Zimmermann gbo = ast_cursor_plane->hwc[i].gbo; 100584810d6aSThomas Zimmermann map = ast_cursor_plane->hwc[i].map; 1006385131f3SThomas Zimmermann err_drm_gem_vram_vunmap: 100784810d6aSThomas Zimmermann drm_gem_vram_vunmap(gbo, &map); 100884810d6aSThomas Zimmermann err_drm_gem_vram_unpin: 100922b6591fSThomas Zimmermann drm_gem_vram_unpin(gbo); 101022b6591fSThomas Zimmermann err_drm_gem_vram_put: 101122b6591fSThomas Zimmermann drm_gem_vram_put(gbo); 101222b6591fSThomas Zimmermann } 101322b6591fSThomas Zimmermann return ret; 1014616048afSThomas Zimmermann } 1015616048afSThomas Zimmermann 101602f3bb75SThomas Zimmermann /* 1017a6ff807bSThomas Zimmermann * CRTC 1018a6ff807bSThomas Zimmermann */ 1019a6ff807bSThomas Zimmermann 1020312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 1021312fec14SDave Airlie { 1022fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 1023594e9c04SKuoHsiang Chou u8 ch = AST_DPMS_VSYNC_OFF | AST_DPMS_HSYNC_OFF; 10245171660cSJocelyn Falempe struct ast_crtc_state *ast_state; 10255171660cSJocelyn Falempe const struct drm_format_info *format; 10265171660cSJocelyn Falempe struct ast_vbios_mode_info *vbios_mode_info; 1027312fec14SDave Airlie 10282fbeec03SThomas Zimmermann /* TODO: Maybe control display signal generation with 10292fbeec03SThomas Zimmermann * Sync Enable (bit CR17.7). 10302fbeec03SThomas Zimmermann */ 1031312fec14SDave Airlie switch (mode) { 1032312fec14SDave Airlie case DRM_MODE_DPMS_ON: 1033594e9c04SKuoHsiang Chou ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, 0); 1034594e9c04SKuoHsiang Chou ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xfc, 0); 10357f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_DP501_BIT) 103683c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 1037594e9c04SKuoHsiang Chou 10387f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_ASTDP_BIT) { 1039594e9c04SKuoHsiang Chou ast_dp_power_on_off(crtc->dev, AST_DP_POWER_ON); 1040594e9c04SKuoHsiang Chou ast_wait_for_vretrace(ast); 1041594e9c04SKuoHsiang Chou ast_dp_set_on_off(crtc->dev, 1); 1042594e9c04SKuoHsiang Chou } 1043594e9c04SKuoHsiang Chou 10445171660cSJocelyn Falempe ast_state = to_ast_crtc_state(crtc->state); 10455171660cSJocelyn Falempe format = ast_state->format; 10465171660cSJocelyn Falempe 10475171660cSJocelyn Falempe if (format) { 10485171660cSJocelyn Falempe vbios_mode_info = &ast_state->vbios_mode_info; 10495171660cSJocelyn Falempe 10505171660cSJocelyn Falempe ast_set_color_reg(ast, format); 10515171660cSJocelyn Falempe ast_set_vbios_color_reg(ast, format, vbios_mode_info); 1052ce7fcf70SJocelyn Falempe if (crtc->state->gamma_lut) 1053ce7fcf70SJocelyn Falempe ast_crtc_set_gamma(ast, format, crtc->state->gamma_lut->data); 1054ce7fcf70SJocelyn Falempe else 1055ce7fcf70SJocelyn Falempe ast_crtc_set_gamma_linear(ast, format); 10565171660cSJocelyn Falempe } 1057312fec14SDave Airlie break; 1058594e9c04SKuoHsiang Chou case DRM_MODE_DPMS_STANDBY: 1059594e9c04SKuoHsiang Chou case DRM_MODE_DPMS_SUSPEND: 1060312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 1061594e9c04SKuoHsiang Chou ch = mode; 10627f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_DP501_BIT) 106383c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 1064594e9c04SKuoHsiang Chou 10657f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_ASTDP_BIT) { 1066594e9c04SKuoHsiang Chou ast_dp_set_on_off(crtc->dev, 0); 1067594e9c04SKuoHsiang Chou ast_dp_power_on_off(crtc->dev, AST_DP_POWER_OFF); 1068594e9c04SKuoHsiang Chou } 1069594e9c04SKuoHsiang Chou 1070594e9c04SKuoHsiang Chou ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, 0x20); 1071594e9c04SKuoHsiang Chou ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xfc, ch); 10727f35680aSThomas Zimmermann break; 1073312fec14SDave Airlie } 1074312fec14SDave Airlie } 1075312fec14SDave Airlie 10766abbad2cSThomas Zimmermann static enum drm_mode_status 10776abbad2cSThomas Zimmermann ast_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) 10786abbad2cSThomas Zimmermann { 10796abbad2cSThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 10806abbad2cSThomas Zimmermann enum drm_mode_status status; 10816abbad2cSThomas Zimmermann uint32_t jtemp; 10826abbad2cSThomas Zimmermann 10836abbad2cSThomas Zimmermann if (ast->support_wide_screen) { 10846abbad2cSThomas Zimmermann if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 10856abbad2cSThomas Zimmermann return MODE_OK; 10866abbad2cSThomas Zimmermann if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 10876abbad2cSThomas Zimmermann return MODE_OK; 10886abbad2cSThomas Zimmermann if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 10896abbad2cSThomas Zimmermann return MODE_OK; 10906abbad2cSThomas Zimmermann if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 10916abbad2cSThomas Zimmermann return MODE_OK; 10926abbad2cSThomas Zimmermann if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 10936abbad2cSThomas Zimmermann return MODE_OK; 109471dee036SJammy Huang if ((mode->hdisplay == 1152) && (mode->vdisplay == 864)) 109571dee036SJammy Huang return MODE_OK; 10966abbad2cSThomas Zimmermann 10976abbad2cSThomas Zimmermann if ((ast->chip == AST2100) || (ast->chip == AST2200) || 10986abbad2cSThomas Zimmermann (ast->chip == AST2300) || (ast->chip == AST2400) || 1099594e9c04SKuoHsiang Chou (ast->chip == AST2500) || (ast->chip == AST2600)) { 11006abbad2cSThomas Zimmermann if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 11016abbad2cSThomas Zimmermann return MODE_OK; 11026abbad2cSThomas Zimmermann 11036abbad2cSThomas Zimmermann if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 11046abbad2cSThomas Zimmermann jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 11056abbad2cSThomas Zimmermann if (jtemp & 0x01) 11066abbad2cSThomas Zimmermann return MODE_NOMODE; 11076abbad2cSThomas Zimmermann else 11086abbad2cSThomas Zimmermann return MODE_OK; 11096abbad2cSThomas Zimmermann } 11106abbad2cSThomas Zimmermann } 11116abbad2cSThomas Zimmermann } 11126abbad2cSThomas Zimmermann 11136abbad2cSThomas Zimmermann status = MODE_NOMODE; 11146abbad2cSThomas Zimmermann 11156abbad2cSThomas Zimmermann switch (mode->hdisplay) { 11166abbad2cSThomas Zimmermann case 640: 11176abbad2cSThomas Zimmermann if (mode->vdisplay == 480) 11186abbad2cSThomas Zimmermann status = MODE_OK; 11196abbad2cSThomas Zimmermann break; 11206abbad2cSThomas Zimmermann case 800: 11216abbad2cSThomas Zimmermann if (mode->vdisplay == 600) 11226abbad2cSThomas Zimmermann status = MODE_OK; 11236abbad2cSThomas Zimmermann break; 11246abbad2cSThomas Zimmermann case 1024: 11256abbad2cSThomas Zimmermann if (mode->vdisplay == 768) 11266abbad2cSThomas Zimmermann status = MODE_OK; 11276abbad2cSThomas Zimmermann break; 112871dee036SJammy Huang case 1152: 112971dee036SJammy Huang if (mode->vdisplay == 864) 113071dee036SJammy Huang status = MODE_OK; 113171dee036SJammy Huang break; 11326abbad2cSThomas Zimmermann case 1280: 11336abbad2cSThomas Zimmermann if (mode->vdisplay == 1024) 11346abbad2cSThomas Zimmermann status = MODE_OK; 11356abbad2cSThomas Zimmermann break; 11366abbad2cSThomas Zimmermann case 1600: 11376abbad2cSThomas Zimmermann if (mode->vdisplay == 1200) 11386abbad2cSThomas Zimmermann status = MODE_OK; 11396abbad2cSThomas Zimmermann break; 11406abbad2cSThomas Zimmermann default: 11416abbad2cSThomas Zimmermann break; 11426abbad2cSThomas Zimmermann } 11436abbad2cSThomas Zimmermann 11446abbad2cSThomas Zimmermann return status; 11456abbad2cSThomas Zimmermann } 11466abbad2cSThomas Zimmermann 1147b48e1b6fSThomas Zimmermann static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, 114829b77ad7SMaxime Ripard struct drm_atomic_state *state) 1149b48e1b6fSThomas Zimmermann { 1150016a14beSThomas Zimmermann struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); 1151ce7fcf70SJocelyn Falempe struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); 1152ce7fcf70SJocelyn Falempe struct ast_crtc_state *old_ast_crtc_state = to_ast_crtc_state(old_crtc_state); 11535638c82cSThomas Zimmermann struct drm_device *dev = crtc->dev; 1154e7d70cd4SThomas Zimmermann struct ast_crtc_state *ast_state; 11553339fdf5SThomas Zimmermann const struct drm_format_info *format; 1156b48e1b6fSThomas Zimmermann bool succ; 1157016a14beSThomas Zimmermann int ret; 1158016a14beSThomas Zimmermann 115929b77ad7SMaxime Ripard if (!crtc_state->enable) 1160*963a2ba2SThomas Zimmermann return 0; 1161d6ddbd5cSThomas Zimmermann 11628f2fd57dSThomas Zimmermann ret = drm_atomic_helper_check_crtc_primary_plane(crtc_state); 11638f2fd57dSThomas Zimmermann if (ret) 11648f2fd57dSThomas Zimmermann return ret; 11658f2fd57dSThomas Zimmermann 116629b77ad7SMaxime Ripard ast_state = to_ast_crtc_state(crtc_state); 1167b48e1b6fSThomas Zimmermann 11683339fdf5SThomas Zimmermann format = ast_state->format; 11695638c82cSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, !format)) 11705638c82cSThomas Zimmermann return -EINVAL; /* BUG: We didn't set format in primary check(). */ 1171e7d70cd4SThomas Zimmermann 1172ce7fcf70SJocelyn Falempe /* 1173ce7fcf70SJocelyn Falempe * The gamma LUT has to be reloaded after changing the primary 1174ce7fcf70SJocelyn Falempe * plane's color format. 1175ce7fcf70SJocelyn Falempe */ 1176ce7fcf70SJocelyn Falempe if (old_ast_crtc_state->format != format) 1177ce7fcf70SJocelyn Falempe crtc_state->color_mgmt_changed = true; 1178ce7fcf70SJocelyn Falempe 1179ce7fcf70SJocelyn Falempe if (crtc_state->color_mgmt_changed && crtc_state->gamma_lut) { 1180ce7fcf70SJocelyn Falempe if (crtc_state->gamma_lut->length != 1181ce7fcf70SJocelyn Falempe AST_LUT_SIZE * sizeof(struct drm_color_lut)) { 1182ce7fcf70SJocelyn Falempe drm_err(dev, "Wrong size for gamma_lut %zu\n", 1183ce7fcf70SJocelyn Falempe crtc_state->gamma_lut->length); 1184ce7fcf70SJocelyn Falempe return -EINVAL; 1185ce7fcf70SJocelyn Falempe } 1186ce7fcf70SJocelyn Falempe } 1187ce7fcf70SJocelyn Falempe 118829b77ad7SMaxime Ripard succ = ast_get_vbios_mode_info(format, &crtc_state->mode, 118929b77ad7SMaxime Ripard &crtc_state->adjusted_mode, 1190e7d70cd4SThomas Zimmermann &ast_state->vbios_mode_info); 1191b48e1b6fSThomas Zimmermann if (!succ) 1192b48e1b6fSThomas Zimmermann return -EINVAL; 1193b48e1b6fSThomas Zimmermann 1194*963a2ba2SThomas Zimmermann return 0; 1195b48e1b6fSThomas Zimmermann } 1196b48e1b6fSThomas Zimmermann 1197f3901b5fSThomas Zimmermann static void 1198f6ebe9f9SMaxime Ripard ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, 1199f6ebe9f9SMaxime Ripard struct drm_atomic_state *state) 12008e3784dfSThomas Zimmermann { 1201253f28b6SMaxime Ripard struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, 1202253f28b6SMaxime Ripard crtc); 1203f870231fSThomas Zimmermann struct drm_device *dev = crtc->dev; 1204f870231fSThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 1205253f28b6SMaxime Ripard struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 1206594e9c04SKuoHsiang Chou struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info; 12078e3784dfSThomas Zimmermann 12088e3784dfSThomas Zimmermann /* 12098e3784dfSThomas Zimmermann * The gamma LUT has to be reloaded after changing the primary 12108e3784dfSThomas Zimmermann * plane's color format. 12118e3784dfSThomas Zimmermann */ 1212ce7fcf70SJocelyn Falempe if (crtc_state->enable && crtc_state->color_mgmt_changed) { 1213ce7fcf70SJocelyn Falempe if (crtc_state->gamma_lut) 1214ce7fcf70SJocelyn Falempe ast_crtc_set_gamma(ast, 1215ce7fcf70SJocelyn Falempe ast_crtc_state->format, 1216ce7fcf70SJocelyn Falempe crtc_state->gamma_lut->data); 1217ce7fcf70SJocelyn Falempe else 1218ce7fcf70SJocelyn Falempe ast_crtc_set_gamma_linear(ast, ast_crtc_state->format); 1219ce7fcf70SJocelyn Falempe } 1220594e9c04SKuoHsiang Chou 1221594e9c04SKuoHsiang Chou //Set Aspeed Display-Port 12227f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_ASTDP_BIT) 1223594e9c04SKuoHsiang Chou ast_dp_set_mode(crtc, vbios_mode_info); 12248e3784dfSThomas Zimmermann } 12258e3784dfSThomas Zimmermann 12268e3784dfSThomas Zimmermann static void 1227f3901b5fSThomas Zimmermann ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, 1228351f950dSMaxime Ripard struct drm_atomic_state *state) 1229b48e1b6fSThomas Zimmermann { 123071d873ccSThomas Zimmermann struct drm_device *dev = crtc->dev; 1231fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 12325638c82cSThomas Zimmermann struct drm_crtc_state *crtc_state = crtc->state; 12335638c82cSThomas Zimmermann struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 12345638c82cSThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info = 12355638c82cSThomas Zimmermann &ast_crtc_state->vbios_mode_info; 12365638c82cSThomas Zimmermann struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; 1237b48e1b6fSThomas Zimmermann 1238e7d70cd4SThomas Zimmermann ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info); 1239b48e1b6fSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 1240e7d70cd4SThomas Zimmermann ast_set_std_reg(ast, adjusted_mode, vbios_mode_info); 1241e7d70cd4SThomas Zimmermann ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info); 1242e7d70cd4SThomas Zimmermann ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info); 1243ae37025dSThomas Zimmermann ast_set_crtthd_reg(ast); 1244e7d70cd4SThomas Zimmermann ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info); 1245b48e1b6fSThomas Zimmermann 1246b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 1247b48e1b6fSThomas Zimmermann } 1248b48e1b6fSThomas Zimmermann 1249b48e1b6fSThomas Zimmermann static void 1250b48e1b6fSThomas Zimmermann ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, 1251351f950dSMaxime Ripard struct drm_atomic_state *state) 1252b48e1b6fSThomas Zimmermann { 1253351f950dSMaxime Ripard struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, 1254351f950dSMaxime Ripard crtc); 125539edb287SThomas Zimmermann struct drm_device *dev = crtc->dev; 125639edb287SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 125739edb287SThomas Zimmermann 1258b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 125939edb287SThomas Zimmermann 126039edb287SThomas Zimmermann /* 126139edb287SThomas Zimmermann * HW cursors require the underlying primary plane and CRTC to 126239edb287SThomas Zimmermann * display a valid mode and image. This is not the case during 126339edb287SThomas Zimmermann * full modeset operations. So we temporarily disable any active 126439edb287SThomas Zimmermann * plane, including the HW cursor. Each plane's atomic_update() 126539edb287SThomas Zimmermann * helper will re-enable it if necessary. 126639edb287SThomas Zimmermann * 126739edb287SThomas Zimmermann * We only do this during *full* modesets. It does not affect 126839edb287SThomas Zimmermann * simple pageflips on the planes. 126939edb287SThomas Zimmermann */ 127039edb287SThomas Zimmermann drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); 127139edb287SThomas Zimmermann 127239edb287SThomas Zimmermann /* 127339edb287SThomas Zimmermann * Ensure that no scanout takes place before reprogramming mode 127439edb287SThomas Zimmermann * and format registers. 127539edb287SThomas Zimmermann */ 127639edb287SThomas Zimmermann ast_wait_for_vretrace(ast); 1277b48e1b6fSThomas Zimmermann } 1278312fec14SDave Airlie 1279312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 12806abbad2cSThomas Zimmermann .mode_valid = ast_crtc_helper_mode_valid, 1281b48e1b6fSThomas Zimmermann .atomic_check = ast_crtc_helper_atomic_check, 12828e3784dfSThomas Zimmermann .atomic_flush = ast_crtc_helper_atomic_flush, 1283b48e1b6fSThomas Zimmermann .atomic_enable = ast_crtc_helper_atomic_enable, 1284b48e1b6fSThomas Zimmermann .atomic_disable = ast_crtc_helper_atomic_disable, 1285312fec14SDave Airlie }; 1286312fec14SDave Airlie 1287f0adbc38SThomas Zimmermann static void ast_crtc_reset(struct drm_crtc *crtc) 1288f0adbc38SThomas Zimmermann { 1289f0adbc38SThomas Zimmermann struct ast_crtc_state *ast_state = 1290f0adbc38SThomas Zimmermann kzalloc(sizeof(*ast_state), GFP_KERNEL); 1291f0adbc38SThomas Zimmermann 1292f0adbc38SThomas Zimmermann if (crtc->state) 1293f0adbc38SThomas Zimmermann crtc->funcs->atomic_destroy_state(crtc, crtc->state); 1294f0adbc38SThomas Zimmermann 1295fea3fdf9SJiasheng Jiang if (ast_state) 1296f0adbc38SThomas Zimmermann __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); 1297fea3fdf9SJiasheng Jiang else 1298fea3fdf9SJiasheng Jiang __drm_atomic_helper_crtc_reset(crtc, NULL); 1299f0adbc38SThomas Zimmermann } 1300f0adbc38SThomas Zimmermann 130183be6a3cSThomas Zimmermann static struct drm_crtc_state * 130283be6a3cSThomas Zimmermann ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) 130383be6a3cSThomas Zimmermann { 1304e7d70cd4SThomas Zimmermann struct ast_crtc_state *new_ast_state, *ast_state; 13051a19b4cbSThomas Zimmermann struct drm_device *dev = crtc->dev; 130683be6a3cSThomas Zimmermann 13071a19b4cbSThomas Zimmermann if (drm_WARN_ON(dev, !crtc->state)) 130883be6a3cSThomas Zimmermann return NULL; 130983be6a3cSThomas Zimmermann 131083be6a3cSThomas Zimmermann new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL); 131183be6a3cSThomas Zimmermann if (!new_ast_state) 131283be6a3cSThomas Zimmermann return NULL; 131383be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base); 131483be6a3cSThomas Zimmermann 1315e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(crtc->state); 1316e7d70cd4SThomas Zimmermann 13173339fdf5SThomas Zimmermann new_ast_state->format = ast_state->format; 1318e7d70cd4SThomas Zimmermann memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info, 1319e7d70cd4SThomas Zimmermann sizeof(new_ast_state->vbios_mode_info)); 1320e7d70cd4SThomas Zimmermann 132183be6a3cSThomas Zimmermann return &new_ast_state->base; 132283be6a3cSThomas Zimmermann } 132383be6a3cSThomas Zimmermann 132483be6a3cSThomas Zimmermann static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc, 132583be6a3cSThomas Zimmermann struct drm_crtc_state *state) 132683be6a3cSThomas Zimmermann { 132783be6a3cSThomas Zimmermann struct ast_crtc_state *ast_state = to_ast_crtc_state(state); 132883be6a3cSThomas Zimmermann 132983be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_destroy_state(&ast_state->base); 133083be6a3cSThomas Zimmermann kfree(ast_state); 133183be6a3cSThomas Zimmermann } 133283be6a3cSThomas Zimmermann 1333312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 1334f0adbc38SThomas Zimmermann .reset = ast_crtc_reset, 13356a470dc2SThomas Zimmermann .destroy = drm_crtc_cleanup, 13364961eb60SThomas Zimmermann .set_config = drm_atomic_helper_set_config, 13374961eb60SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, 133883be6a3cSThomas Zimmermann .atomic_duplicate_state = ast_crtc_atomic_duplicate_state, 133983be6a3cSThomas Zimmermann .atomic_destroy_state = ast_crtc_atomic_destroy_state, 1340312fec14SDave Airlie }; 1341312fec14SDave Airlie 13427f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 1343312fec14SDave Airlie { 1344fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 13456a470dc2SThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 1346a6ff807bSThomas Zimmermann int ret; 1347312fec14SDave Airlie 1348c35da0edSThomas Zimmermann ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane, 1349a0ba992dSThomas Zimmermann &ast->cursor_plane.base, &ast_crtc_funcs, 135002f3bb75SThomas Zimmermann NULL); 1351a6ff807bSThomas Zimmermann if (ret) 13526a470dc2SThomas Zimmermann return ret; 1353a6ff807bSThomas Zimmermann 1354ce7fcf70SJocelyn Falempe drm_mode_crtc_set_gamma_size(crtc, AST_LUT_SIZE); 1355ce7fcf70SJocelyn Falempe drm_crtc_enable_color_mgmt(crtc, 0, false, AST_LUT_SIZE); 1356ce7fcf70SJocelyn Falempe 1357c35da0edSThomas Zimmermann drm_crtc_helper_add(crtc, &ast_crtc_helper_funcs); 1358c35da0edSThomas Zimmermann 1359312fec14SDave Airlie return 0; 1360312fec14SDave Airlie } 1361312fec14SDave Airlie 13624961eb60SThomas Zimmermann /* 1363b20384d9SThomas Zimmermann * VGA Connector 13644961eb60SThomas Zimmermann */ 13654961eb60SThomas Zimmermann 1366b20384d9SThomas Zimmermann static int ast_vga_connector_helper_get_modes(struct drm_connector *connector) 1367312fec14SDave Airlie { 1368b20384d9SThomas Zimmermann struct ast_vga_connector *ast_vga_connector = to_ast_vga_connector(connector); 1369f870231fSThomas Zimmermann struct drm_device *dev = connector->dev; 1370f870231fSThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 13713ab26eddSThomas Zimmermann struct edid *edid; 13723ab26eddSThomas Zimmermann int count; 1373312fec14SDave Airlie 13743ab26eddSThomas Zimmermann if (!ast_vga_connector->i2c) 13753ab26eddSThomas Zimmermann goto err_drm_connector_update_edid_property; 1376312fec14SDave Airlie 1377f870231fSThomas Zimmermann /* 1378f870231fSThomas Zimmermann * Protect access to I/O registers from concurrent modesetting 1379f870231fSThomas Zimmermann * by acquiring the I/O-register lock. 1380f870231fSThomas Zimmermann */ 1381f870231fSThomas Zimmermann mutex_lock(&ast->ioregs_lock); 1382f870231fSThomas Zimmermann 1383b20384d9SThomas Zimmermann edid = drm_get_edid(connector, &ast_vga_connector->i2c->adapter); 138483c6620bSDave Airlie if (!edid) 1385f870231fSThomas Zimmermann goto err_mutex_unlock; 1386f870231fSThomas Zimmermann 1387f870231fSThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 1388312fec14SDave Airlie 13893ab26eddSThomas Zimmermann count = drm_add_edid_modes(connector, edid); 139083c6620bSDave Airlie kfree(edid); 13913ab26eddSThomas Zimmermann 13923ab26eddSThomas Zimmermann return count; 13933ab26eddSThomas Zimmermann 1394f870231fSThomas Zimmermann err_mutex_unlock: 1395f870231fSThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 13963ab26eddSThomas Zimmermann err_drm_connector_update_edid_property: 1397b20384d9SThomas Zimmermann drm_connector_update_edid_property(connector, NULL); 1398312fec14SDave Airlie return 0; 1399312fec14SDave Airlie } 1400312fec14SDave Airlie 1401b20384d9SThomas Zimmermann static const struct drm_connector_helper_funcs ast_vga_connector_helper_funcs = { 1402b20384d9SThomas Zimmermann .get_modes = ast_vga_connector_helper_get_modes, 1403312fec14SDave Airlie }; 1404312fec14SDave Airlie 1405b20384d9SThomas Zimmermann static const struct drm_connector_funcs ast_vga_connector_funcs = { 14064961eb60SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 1407312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 1408a2cce09cSThomas Zimmermann .destroy = drm_connector_cleanup, 14094961eb60SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 14104961eb60SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1411312fec14SDave Airlie }; 1412312fec14SDave Airlie 1413a59b0264SThomas Zimmermann static int ast_vga_connector_init(struct drm_device *dev, 1414a59b0264SThomas Zimmermann struct ast_vga_connector *ast_vga_connector) 1415312fec14SDave Airlie { 1416b20384d9SThomas Zimmermann struct drm_connector *connector = &ast_vga_connector->base; 14179285f09eSThomas Zimmermann int ret; 1418312fec14SDave Airlie 1419b20384d9SThomas Zimmermann ast_vga_connector->i2c = ast_i2c_create(dev); 1420b20384d9SThomas Zimmermann if (!ast_vga_connector->i2c) 14211a19b4cbSThomas Zimmermann drm_err(dev, "failed to add ddc bus for connector\n"); 1422350fd554SAndrzej Pietrasiewicz 1423b20384d9SThomas Zimmermann if (ast_vga_connector->i2c) 1424b20384d9SThomas Zimmermann ret = drm_connector_init_with_ddc(dev, connector, &ast_vga_connector_funcs, 1425350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 1426b20384d9SThomas Zimmermann &ast_vga_connector->i2c->adapter); 142755dc449aSThomas Zimmermann else 1428b20384d9SThomas Zimmermann ret = drm_connector_init(dev, connector, &ast_vga_connector_funcs, 142955dc449aSThomas Zimmermann DRM_MODE_CONNECTOR_VGA); 14309285f09eSThomas Zimmermann if (ret) 14319285f09eSThomas Zimmermann return ret; 1432312fec14SDave Airlie 1433b20384d9SThomas Zimmermann drm_connector_helper_add(connector, &ast_vga_connector_helper_funcs); 1434312fec14SDave Airlie 1435312fec14SDave Airlie connector->interlace_allowed = 0; 1436312fec14SDave Airlie connector->doublescan_allowed = 0; 1437312fec14SDave Airlie 1438595cb5e0SKim Phillips connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1439312fec14SDave Airlie 1440a59b0264SThomas Zimmermann return 0; 1441a59b0264SThomas Zimmermann } 1442a59b0264SThomas Zimmermann 1443a59b0264SThomas Zimmermann static int ast_vga_output_init(struct ast_private *ast) 1444a59b0264SThomas Zimmermann { 1445a59b0264SThomas Zimmermann struct drm_device *dev = &ast->base; 1446a59b0264SThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 1447a59b0264SThomas Zimmermann struct drm_encoder *encoder = &ast->output.vga.encoder; 1448a59b0264SThomas Zimmermann struct ast_vga_connector *ast_vga_connector = &ast->output.vga.vga_connector; 1449a59b0264SThomas Zimmermann struct drm_connector *connector = &ast_vga_connector->base; 1450a59b0264SThomas Zimmermann int ret; 1451a59b0264SThomas Zimmermann 1452a59b0264SThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC); 1453a59b0264SThomas Zimmermann if (ret) 1454a59b0264SThomas Zimmermann return ret; 1455f665147cSThomas Zimmermann encoder->possible_crtcs = drm_crtc_mask(crtc); 1456a59b0264SThomas Zimmermann 1457a59b0264SThomas Zimmermann ret = ast_vga_connector_init(dev, ast_vga_connector); 1458a59b0264SThomas Zimmermann if (ret) 1459a59b0264SThomas Zimmermann return ret; 1460a59b0264SThomas Zimmermann 1461a59b0264SThomas Zimmermann ret = drm_connector_attach_encoder(connector, encoder); 1462a59b0264SThomas Zimmermann if (ret) 1463a59b0264SThomas Zimmermann return ret; 1464312fec14SDave Airlie 1465312fec14SDave Airlie return 0; 1466312fec14SDave Airlie } 1467312fec14SDave Airlie 1468e6949ff3SThomas Zimmermann /* 14695e78d59aSThomas Zimmermann * SIL164 Connector 14705e78d59aSThomas Zimmermann */ 14715e78d59aSThomas Zimmermann 14725e78d59aSThomas Zimmermann static int ast_sil164_connector_helper_get_modes(struct drm_connector *connector) 14735e78d59aSThomas Zimmermann { 14745e78d59aSThomas Zimmermann struct ast_sil164_connector *ast_sil164_connector = to_ast_sil164_connector(connector); 1475f870231fSThomas Zimmermann struct drm_device *dev = connector->dev; 1476f870231fSThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 14775e78d59aSThomas Zimmermann struct edid *edid; 14785e78d59aSThomas Zimmermann int count; 14795e78d59aSThomas Zimmermann 14805e78d59aSThomas Zimmermann if (!ast_sil164_connector->i2c) 14815e78d59aSThomas Zimmermann goto err_drm_connector_update_edid_property; 14825e78d59aSThomas Zimmermann 1483f870231fSThomas Zimmermann /* 1484f870231fSThomas Zimmermann * Protect access to I/O registers from concurrent modesetting 1485f870231fSThomas Zimmermann * by acquiring the I/O-register lock. 1486f870231fSThomas Zimmermann */ 1487f870231fSThomas Zimmermann mutex_lock(&ast->ioregs_lock); 1488f870231fSThomas Zimmermann 14895e78d59aSThomas Zimmermann edid = drm_get_edid(connector, &ast_sil164_connector->i2c->adapter); 14905e78d59aSThomas Zimmermann if (!edid) 1491f870231fSThomas Zimmermann goto err_mutex_unlock; 1492f870231fSThomas Zimmermann 1493f870231fSThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 14945e78d59aSThomas Zimmermann 14955e78d59aSThomas Zimmermann count = drm_add_edid_modes(connector, edid); 14965e78d59aSThomas Zimmermann kfree(edid); 14975e78d59aSThomas Zimmermann 14985e78d59aSThomas Zimmermann return count; 14995e78d59aSThomas Zimmermann 1500f870231fSThomas Zimmermann err_mutex_unlock: 1501f870231fSThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 15025e78d59aSThomas Zimmermann err_drm_connector_update_edid_property: 15035e78d59aSThomas Zimmermann drm_connector_update_edid_property(connector, NULL); 15045e78d59aSThomas Zimmermann return 0; 15055e78d59aSThomas Zimmermann } 15065e78d59aSThomas Zimmermann 15075e78d59aSThomas Zimmermann static const struct drm_connector_helper_funcs ast_sil164_connector_helper_funcs = { 15085e78d59aSThomas Zimmermann .get_modes = ast_sil164_connector_helper_get_modes, 15095e78d59aSThomas Zimmermann }; 15105e78d59aSThomas Zimmermann 15115e78d59aSThomas Zimmermann static const struct drm_connector_funcs ast_sil164_connector_funcs = { 15125e78d59aSThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 15135e78d59aSThomas Zimmermann .fill_modes = drm_helper_probe_single_connector_modes, 15145e78d59aSThomas Zimmermann .destroy = drm_connector_cleanup, 15155e78d59aSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 15165e78d59aSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 15175e78d59aSThomas Zimmermann }; 15185e78d59aSThomas Zimmermann 15195e78d59aSThomas Zimmermann static int ast_sil164_connector_init(struct drm_device *dev, 15205e78d59aSThomas Zimmermann struct ast_sil164_connector *ast_sil164_connector) 15215e78d59aSThomas Zimmermann { 15225e78d59aSThomas Zimmermann struct drm_connector *connector = &ast_sil164_connector->base; 15235e78d59aSThomas Zimmermann int ret; 15245e78d59aSThomas Zimmermann 15255e78d59aSThomas Zimmermann ast_sil164_connector->i2c = ast_i2c_create(dev); 15265e78d59aSThomas Zimmermann if (!ast_sil164_connector->i2c) 15275e78d59aSThomas Zimmermann drm_err(dev, "failed to add ddc bus for connector\n"); 15285e78d59aSThomas Zimmermann 15295e78d59aSThomas Zimmermann if (ast_sil164_connector->i2c) 15305e78d59aSThomas Zimmermann ret = drm_connector_init_with_ddc(dev, connector, &ast_sil164_connector_funcs, 15315e78d59aSThomas Zimmermann DRM_MODE_CONNECTOR_DVII, 15325e78d59aSThomas Zimmermann &ast_sil164_connector->i2c->adapter); 15335e78d59aSThomas Zimmermann else 15345e78d59aSThomas Zimmermann ret = drm_connector_init(dev, connector, &ast_sil164_connector_funcs, 15355e78d59aSThomas Zimmermann DRM_MODE_CONNECTOR_DVII); 15365e78d59aSThomas Zimmermann if (ret) 15375e78d59aSThomas Zimmermann return ret; 15385e78d59aSThomas Zimmermann 15395e78d59aSThomas Zimmermann drm_connector_helper_add(connector, &ast_sil164_connector_helper_funcs); 15405e78d59aSThomas Zimmermann 15415e78d59aSThomas Zimmermann connector->interlace_allowed = 0; 15425e78d59aSThomas Zimmermann connector->doublescan_allowed = 0; 15435e78d59aSThomas Zimmermann 15445e78d59aSThomas Zimmermann connector->polled = DRM_CONNECTOR_POLL_CONNECT; 15455e78d59aSThomas Zimmermann 15465e78d59aSThomas Zimmermann return 0; 15475e78d59aSThomas Zimmermann } 15485e78d59aSThomas Zimmermann 15495e78d59aSThomas Zimmermann static int ast_sil164_output_init(struct ast_private *ast) 15505e78d59aSThomas Zimmermann { 15515e78d59aSThomas Zimmermann struct drm_device *dev = &ast->base; 15525e78d59aSThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 15535e78d59aSThomas Zimmermann struct drm_encoder *encoder = &ast->output.sil164.encoder; 15545e78d59aSThomas Zimmermann struct ast_sil164_connector *ast_sil164_connector = &ast->output.sil164.sil164_connector; 15555e78d59aSThomas Zimmermann struct drm_connector *connector = &ast_sil164_connector->base; 15565e78d59aSThomas Zimmermann int ret; 15575e78d59aSThomas Zimmermann 15585e78d59aSThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); 15595e78d59aSThomas Zimmermann if (ret) 15605e78d59aSThomas Zimmermann return ret; 15615e78d59aSThomas Zimmermann encoder->possible_crtcs = drm_crtc_mask(crtc); 15625e78d59aSThomas Zimmermann 15635e78d59aSThomas Zimmermann ret = ast_sil164_connector_init(dev, ast_sil164_connector); 15645e78d59aSThomas Zimmermann if (ret) 15655e78d59aSThomas Zimmermann return ret; 15665e78d59aSThomas Zimmermann 15675e78d59aSThomas Zimmermann ret = drm_connector_attach_encoder(connector, encoder); 15685e78d59aSThomas Zimmermann if (ret) 15695e78d59aSThomas Zimmermann return ret; 15705e78d59aSThomas Zimmermann 15715e78d59aSThomas Zimmermann return 0; 15725e78d59aSThomas Zimmermann } 15735e78d59aSThomas Zimmermann 15745e78d59aSThomas Zimmermann /* 15753ab26eddSThomas Zimmermann * DP501 Connector 15763ab26eddSThomas Zimmermann */ 15773ab26eddSThomas Zimmermann 15783ab26eddSThomas Zimmermann static int ast_dp501_connector_helper_get_modes(struct drm_connector *connector) 15793ab26eddSThomas Zimmermann { 15803ab26eddSThomas Zimmermann void *edid; 15813ab26eddSThomas Zimmermann bool succ; 15823ab26eddSThomas Zimmermann int count; 15833ab26eddSThomas Zimmermann 15843ab26eddSThomas Zimmermann edid = kmalloc(EDID_LENGTH, GFP_KERNEL); 15853ab26eddSThomas Zimmermann if (!edid) 15863ab26eddSThomas Zimmermann goto err_drm_connector_update_edid_property; 15873ab26eddSThomas Zimmermann 15883ab26eddSThomas Zimmermann succ = ast_dp501_read_edid(connector->dev, edid); 15893ab26eddSThomas Zimmermann if (!succ) 15903ab26eddSThomas Zimmermann goto err_kfree; 15913ab26eddSThomas Zimmermann 15923ab26eddSThomas Zimmermann drm_connector_update_edid_property(connector, edid); 15933ab26eddSThomas Zimmermann count = drm_add_edid_modes(connector, edid); 15943ab26eddSThomas Zimmermann kfree(edid); 15953ab26eddSThomas Zimmermann 15963ab26eddSThomas Zimmermann return count; 15973ab26eddSThomas Zimmermann 15983ab26eddSThomas Zimmermann err_kfree: 15993ab26eddSThomas Zimmermann kfree(edid); 16003ab26eddSThomas Zimmermann err_drm_connector_update_edid_property: 16013ab26eddSThomas Zimmermann drm_connector_update_edid_property(connector, NULL); 16023ab26eddSThomas Zimmermann return 0; 16033ab26eddSThomas Zimmermann } 16043ab26eddSThomas Zimmermann 16053ab26eddSThomas Zimmermann static const struct drm_connector_helper_funcs ast_dp501_connector_helper_funcs = { 16063ab26eddSThomas Zimmermann .get_modes = ast_dp501_connector_helper_get_modes, 16073ab26eddSThomas Zimmermann }; 16083ab26eddSThomas Zimmermann 16093ab26eddSThomas Zimmermann static const struct drm_connector_funcs ast_dp501_connector_funcs = { 16103ab26eddSThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 16113ab26eddSThomas Zimmermann .fill_modes = drm_helper_probe_single_connector_modes, 16123ab26eddSThomas Zimmermann .destroy = drm_connector_cleanup, 16133ab26eddSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 16143ab26eddSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 16153ab26eddSThomas Zimmermann }; 16163ab26eddSThomas Zimmermann 16173ab26eddSThomas Zimmermann static int ast_dp501_connector_init(struct drm_device *dev, struct drm_connector *connector) 16183ab26eddSThomas Zimmermann { 16193ab26eddSThomas Zimmermann int ret; 16203ab26eddSThomas Zimmermann 16213ab26eddSThomas Zimmermann ret = drm_connector_init(dev, connector, &ast_dp501_connector_funcs, 16223ab26eddSThomas Zimmermann DRM_MODE_CONNECTOR_DisplayPort); 16233ab26eddSThomas Zimmermann if (ret) 16243ab26eddSThomas Zimmermann return ret; 16253ab26eddSThomas Zimmermann 16263ab26eddSThomas Zimmermann drm_connector_helper_add(connector, &ast_dp501_connector_helper_funcs); 16273ab26eddSThomas Zimmermann 16283ab26eddSThomas Zimmermann connector->interlace_allowed = 0; 16293ab26eddSThomas Zimmermann connector->doublescan_allowed = 0; 16303ab26eddSThomas Zimmermann 16313ab26eddSThomas Zimmermann connector->polled = DRM_CONNECTOR_POLL_CONNECT; 16323ab26eddSThomas Zimmermann 16333ab26eddSThomas Zimmermann return 0; 16343ab26eddSThomas Zimmermann } 16353ab26eddSThomas Zimmermann 16363ab26eddSThomas Zimmermann static int ast_dp501_output_init(struct ast_private *ast) 16373ab26eddSThomas Zimmermann { 16383ab26eddSThomas Zimmermann struct drm_device *dev = &ast->base; 16393ab26eddSThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 16403ab26eddSThomas Zimmermann struct drm_encoder *encoder = &ast->output.dp501.encoder; 16413ab26eddSThomas Zimmermann struct drm_connector *connector = &ast->output.dp501.connector; 16423ab26eddSThomas Zimmermann int ret; 16433ab26eddSThomas Zimmermann 16443ab26eddSThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); 16453ab26eddSThomas Zimmermann if (ret) 16463ab26eddSThomas Zimmermann return ret; 16473ab26eddSThomas Zimmermann encoder->possible_crtcs = drm_crtc_mask(crtc); 16483ab26eddSThomas Zimmermann 16493ab26eddSThomas Zimmermann ret = ast_dp501_connector_init(dev, connector); 16503ab26eddSThomas Zimmermann if (ret) 16513ab26eddSThomas Zimmermann return ret; 16523ab26eddSThomas Zimmermann 16533ab26eddSThomas Zimmermann ret = drm_connector_attach_encoder(connector, encoder); 16543ab26eddSThomas Zimmermann if (ret) 16553ab26eddSThomas Zimmermann return ret; 1656312fec14SDave Airlie 1657312fec14SDave Airlie return 0; 16587f5ccd44SRashika } 1659312fec14SDave Airlie 1660e6949ff3SThomas Zimmermann /* 1661594e9c04SKuoHsiang Chou * ASPEED Display-Port Connector 1662594e9c04SKuoHsiang Chou */ 1663594e9c04SKuoHsiang Chou 1664594e9c04SKuoHsiang Chou static int ast_astdp_connector_helper_get_modes(struct drm_connector *connector) 1665594e9c04SKuoHsiang Chou { 1666594e9c04SKuoHsiang Chou void *edid; 1667594e9c04SKuoHsiang Chou 1668594e9c04SKuoHsiang Chou int succ; 1669594e9c04SKuoHsiang Chou int count; 1670594e9c04SKuoHsiang Chou 1671594e9c04SKuoHsiang Chou edid = kmalloc(EDID_LENGTH, GFP_KERNEL); 1672594e9c04SKuoHsiang Chou if (!edid) 1673594e9c04SKuoHsiang Chou goto err_drm_connector_update_edid_property; 1674594e9c04SKuoHsiang Chou 1675594e9c04SKuoHsiang Chou succ = ast_astdp_read_edid(connector->dev, edid); 1676594e9c04SKuoHsiang Chou if (succ < 0) 1677594e9c04SKuoHsiang Chou goto err_kfree; 1678594e9c04SKuoHsiang Chou 1679594e9c04SKuoHsiang Chou drm_connector_update_edid_property(connector, edid); 1680594e9c04SKuoHsiang Chou count = drm_add_edid_modes(connector, edid); 1681594e9c04SKuoHsiang Chou kfree(edid); 1682594e9c04SKuoHsiang Chou 1683594e9c04SKuoHsiang Chou return count; 1684594e9c04SKuoHsiang Chou 1685594e9c04SKuoHsiang Chou err_kfree: 1686594e9c04SKuoHsiang Chou kfree(edid); 1687594e9c04SKuoHsiang Chou err_drm_connector_update_edid_property: 1688594e9c04SKuoHsiang Chou drm_connector_update_edid_property(connector, NULL); 1689594e9c04SKuoHsiang Chou return 0; 1690594e9c04SKuoHsiang Chou } 1691594e9c04SKuoHsiang Chou 1692594e9c04SKuoHsiang Chou static const struct drm_connector_helper_funcs ast_astdp_connector_helper_funcs = { 1693594e9c04SKuoHsiang Chou .get_modes = ast_astdp_connector_helper_get_modes, 1694594e9c04SKuoHsiang Chou }; 1695594e9c04SKuoHsiang Chou 1696594e9c04SKuoHsiang Chou static const struct drm_connector_funcs ast_astdp_connector_funcs = { 1697594e9c04SKuoHsiang Chou .reset = drm_atomic_helper_connector_reset, 1698594e9c04SKuoHsiang Chou .fill_modes = drm_helper_probe_single_connector_modes, 1699594e9c04SKuoHsiang Chou .destroy = drm_connector_cleanup, 1700594e9c04SKuoHsiang Chou .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1701594e9c04SKuoHsiang Chou .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1702594e9c04SKuoHsiang Chou }; 1703594e9c04SKuoHsiang Chou 1704594e9c04SKuoHsiang Chou static int ast_astdp_connector_init(struct drm_device *dev, struct drm_connector *connector) 1705594e9c04SKuoHsiang Chou { 1706594e9c04SKuoHsiang Chou int ret; 1707594e9c04SKuoHsiang Chou 1708594e9c04SKuoHsiang Chou ret = drm_connector_init(dev, connector, &ast_astdp_connector_funcs, 1709594e9c04SKuoHsiang Chou DRM_MODE_CONNECTOR_DisplayPort); 1710594e9c04SKuoHsiang Chou if (ret) 1711594e9c04SKuoHsiang Chou return ret; 1712594e9c04SKuoHsiang Chou 1713594e9c04SKuoHsiang Chou drm_connector_helper_add(connector, &ast_astdp_connector_helper_funcs); 1714594e9c04SKuoHsiang Chou 1715594e9c04SKuoHsiang Chou connector->interlace_allowed = 0; 1716594e9c04SKuoHsiang Chou connector->doublescan_allowed = 0; 1717594e9c04SKuoHsiang Chou 1718594e9c04SKuoHsiang Chou connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1719594e9c04SKuoHsiang Chou 1720594e9c04SKuoHsiang Chou return 0; 1721594e9c04SKuoHsiang Chou } 1722594e9c04SKuoHsiang Chou 1723594e9c04SKuoHsiang Chou static int ast_astdp_output_init(struct ast_private *ast) 1724594e9c04SKuoHsiang Chou { 1725594e9c04SKuoHsiang Chou struct drm_device *dev = &ast->base; 1726594e9c04SKuoHsiang Chou struct drm_crtc *crtc = &ast->crtc; 1727594e9c04SKuoHsiang Chou struct drm_encoder *encoder = &ast->output.astdp.encoder; 1728594e9c04SKuoHsiang Chou struct drm_connector *connector = &ast->output.astdp.connector; 1729594e9c04SKuoHsiang Chou int ret; 1730594e9c04SKuoHsiang Chou 1731594e9c04SKuoHsiang Chou ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); 1732594e9c04SKuoHsiang Chou if (ret) 1733594e9c04SKuoHsiang Chou return ret; 1734594e9c04SKuoHsiang Chou encoder->possible_crtcs = drm_crtc_mask(crtc); 1735594e9c04SKuoHsiang Chou 1736594e9c04SKuoHsiang Chou ret = ast_astdp_connector_init(dev, connector); 1737594e9c04SKuoHsiang Chou if (ret) 1738594e9c04SKuoHsiang Chou return ret; 1739594e9c04SKuoHsiang Chou 1740594e9c04SKuoHsiang Chou ret = drm_connector_attach_encoder(connector, encoder); 1741594e9c04SKuoHsiang Chou if (ret) 1742594e9c04SKuoHsiang Chou return ret; 1743594e9c04SKuoHsiang Chou 1744594e9c04SKuoHsiang Chou return 0; 1745594e9c04SKuoHsiang Chou } 1746594e9c04SKuoHsiang Chou 1747594e9c04SKuoHsiang Chou /* 1748e6949ff3SThomas Zimmermann * Mode config 1749e6949ff3SThomas Zimmermann */ 1750e6949ff3SThomas Zimmermann 17511fe18215SThomas Zimmermann static void ast_mode_config_helper_atomic_commit_tail(struct drm_atomic_state *state) 17521fe18215SThomas Zimmermann { 17531fe18215SThomas Zimmermann struct ast_private *ast = to_ast_private(state->dev); 17541fe18215SThomas Zimmermann 17551fe18215SThomas Zimmermann /* 17561fe18215SThomas Zimmermann * Concurrent operations could possibly trigger a call to 17571fe18215SThomas Zimmermann * drm_connector_helper_funcs.get_modes by trying to read the 17581fe18215SThomas Zimmermann * display modes. Protect access to I/O registers by acquiring 17591fe18215SThomas Zimmermann * the I/O-register lock. Released in atomic_flush(). 17601fe18215SThomas Zimmermann */ 17611fe18215SThomas Zimmermann mutex_lock(&ast->ioregs_lock); 17621fe18215SThomas Zimmermann drm_atomic_helper_commit_tail_rpm(state); 17631fe18215SThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 17641fe18215SThomas Zimmermann } 17651fe18215SThomas Zimmermann 1766b20384d9SThomas Zimmermann static const struct drm_mode_config_helper_funcs ast_mode_config_helper_funcs = { 17671fe18215SThomas Zimmermann .atomic_commit_tail = ast_mode_config_helper_atomic_commit_tail, 17682f0ddd89SThomas Zimmermann }; 17692f0ddd89SThomas Zimmermann 1770e6949ff3SThomas Zimmermann static const struct drm_mode_config_funcs ast_mode_config_funcs = { 1771e6949ff3SThomas Zimmermann .fb_create = drm_gem_fb_create, 1772e6949ff3SThomas Zimmermann .mode_valid = drm_vram_helper_mode_valid, 1773e6949ff3SThomas Zimmermann .atomic_check = drm_atomic_helper_check, 1774e6949ff3SThomas Zimmermann .atomic_commit = drm_atomic_helper_commit, 1775e6949ff3SThomas Zimmermann }; 1776e6949ff3SThomas Zimmermann 1777e6949ff3SThomas Zimmermann int ast_mode_config_init(struct ast_private *ast) 1778312fec14SDave Airlie { 1779e0f5a738SThomas Zimmermann struct drm_device *dev = &ast->base; 178046fb883cSThomas Zimmermann struct pci_dev *pdev = to_pci_dev(dev->dev); 1781a6ff807bSThomas Zimmermann int ret; 1782a6ff807bSThomas Zimmermann 1783e6949ff3SThomas Zimmermann ret = drmm_mode_config_init(dev); 1784e6949ff3SThomas Zimmermann if (ret) 1785e6949ff3SThomas Zimmermann return ret; 1786e6949ff3SThomas Zimmermann 1787e6949ff3SThomas Zimmermann dev->mode_config.funcs = &ast_mode_config_funcs; 1788e6949ff3SThomas Zimmermann dev->mode_config.min_width = 0; 1789e6949ff3SThomas Zimmermann dev->mode_config.min_height = 0; 1790e6949ff3SThomas Zimmermann dev->mode_config.preferred_depth = 24; 1791e6949ff3SThomas Zimmermann dev->mode_config.prefer_shadow = 1; 179246fb883cSThomas Zimmermann dev->mode_config.fb_base = pci_resource_start(pdev, 0); 1793e6949ff3SThomas Zimmermann 1794e6949ff3SThomas Zimmermann if (ast->chip == AST2100 || 1795e6949ff3SThomas Zimmermann ast->chip == AST2200 || 1796e6949ff3SThomas Zimmermann ast->chip == AST2300 || 1797e6949ff3SThomas Zimmermann ast->chip == AST2400 || 1798594e9c04SKuoHsiang Chou ast->chip == AST2500 || 1799594e9c04SKuoHsiang Chou ast->chip == AST2600) { 1800e6949ff3SThomas Zimmermann dev->mode_config.max_width = 1920; 1801e6949ff3SThomas Zimmermann dev->mode_config.max_height = 2048; 1802e6949ff3SThomas Zimmermann } else { 1803e6949ff3SThomas Zimmermann dev->mode_config.max_width = 1600; 1804e6949ff3SThomas Zimmermann dev->mode_config.max_height = 1200; 1805e6949ff3SThomas Zimmermann } 1806e6949ff3SThomas Zimmermann 18072f0ddd89SThomas Zimmermann dev->mode_config.helper_private = &ast_mode_config_helper_funcs; 18082f0ddd89SThomas Zimmermann 1809a6ff807bSThomas Zimmermann 1810616048afSThomas Zimmermann ret = ast_primary_plane_init(ast); 1811616048afSThomas Zimmermann if (ret) 181202f3bb75SThomas Zimmermann return ret; 1813616048afSThomas Zimmermann 1814616048afSThomas Zimmermann ret = ast_cursor_plane_init(ast); 1815616048afSThomas Zimmermann if (ret) 1816616048afSThomas Zimmermann return ret; 181702f3bb75SThomas Zimmermann 1818312fec14SDave Airlie ast_crtc_init(dev); 1819a59b0264SThomas Zimmermann 18207f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_NONE_BIT) { 1821a59b0264SThomas Zimmermann ret = ast_vga_output_init(ast); 1822a59b0264SThomas Zimmermann if (ret) 1823a59b0264SThomas Zimmermann return ret; 18247f35680aSThomas Zimmermann } 18257f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_SIL164_BIT) { 18267f35680aSThomas Zimmermann ret = ast_sil164_output_init(ast); 18277f35680aSThomas Zimmermann if (ret) 18287f35680aSThomas Zimmermann return ret; 18297f35680aSThomas Zimmermann } 18307f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_DP501_BIT) { 18317f35680aSThomas Zimmermann ret = ast_dp501_output_init(ast); 18327f35680aSThomas Zimmermann if (ret) 18337f35680aSThomas Zimmermann return ret; 18347f35680aSThomas Zimmermann } 18357f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_ASTDP_BIT) { 18367f35680aSThomas Zimmermann ret = ast_astdp_output_init(ast); 18377f35680aSThomas Zimmermann if (ret) 18387f35680aSThomas Zimmermann return ret; 18397f35680aSThomas Zimmermann } 1840a6ff807bSThomas Zimmermann 1841e6949ff3SThomas Zimmermann drm_mode_config_reset(dev); 1842e6949ff3SThomas Zimmermann 1843312fec14SDave Airlie return 0; 1844312fec14SDave Airlie } 1845