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> 38f2fa5a99SThomas Zimmermann #include <drm/drm_damage_helper.h> 39255490f9SVille Syrjälä #include <drm/drm_edid.h> 40f2fa5a99SThomas Zimmermann #include <drm/drm_format_helper.h> 41fbbbd160SSam Ravnborg #include <drm/drm_fourcc.h> 424d36cf07SThomas Zimmermann #include <drm/drm_gem_atomic_helper.h> 43e6949ff3SThomas Zimmermann #include <drm/drm_gem_framebuffer_helper.h> 44f2fa5a99SThomas Zimmermann #include <drm/drm_gem_shmem_helper.h> 453ab26eddSThomas Zimmermann #include <drm/drm_managed.h> 46fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 474220fdf0SThomas Zimmermann #include <drm/drm_simple_kms_helper.h> 48312fec14SDave Airlie 49fbbbd160SSam Ravnborg #include "ast_drv.h" 50312fec14SDave Airlie #include "ast_tables.h" 51312fec14SDave Airlie 52ce7fcf70SJocelyn Falempe #define AST_LUT_SIZE 256 53ce7fcf70SJocelyn Falempe 5437b42cf9SThomas Zimmermann static inline void ast_load_palette_index(struct ast_device *ast, 55312fec14SDave Airlie u8 index, u8 red, u8 green, 56312fec14SDave Airlie u8 blue) 57312fec14SDave Airlie { 58312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 59312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 60312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 61312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 62312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 63312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 64312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 65312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 66312fec14SDave Airlie } 67312fec14SDave Airlie 6837b42cf9SThomas Zimmermann static void ast_crtc_set_gamma_linear(struct ast_device *ast, 69ce7fcf70SJocelyn Falempe const struct drm_format_info *format) 70312fec14SDave Airlie { 71312fec14SDave Airlie int i; 72312fec14SDave Airlie 73ce7fcf70SJocelyn Falempe switch (format->format) { 74ce7fcf70SJocelyn Falempe case DRM_FORMAT_C8: /* In this case, gamma table is used as color palette */ 75ce7fcf70SJocelyn Falempe case DRM_FORMAT_RGB565: 76ce7fcf70SJocelyn Falempe case DRM_FORMAT_XRGB8888: 77ce7fcf70SJocelyn Falempe for (i = 0; i < AST_LUT_SIZE; i++) 78ce7fcf70SJocelyn Falempe ast_load_palette_index(ast, i, i, i, i); 79ce7fcf70SJocelyn Falempe break; 80ce7fcf70SJocelyn Falempe default: 81ce7fcf70SJocelyn Falempe drm_warn_once(&ast->base, "Unsupported format %p4cc for gamma correction\n", 82ce7fcf70SJocelyn Falempe &format->format); 83ce7fcf70SJocelyn Falempe break; 84ce7fcf70SJocelyn Falempe } 85ce7fcf70SJocelyn Falempe } 86312fec14SDave Airlie 8737b42cf9SThomas Zimmermann static void ast_crtc_set_gamma(struct ast_device *ast, 88ce7fcf70SJocelyn Falempe const struct drm_format_info *format, 89ce7fcf70SJocelyn Falempe struct drm_color_lut *lut) 90ce7fcf70SJocelyn Falempe { 91ce7fcf70SJocelyn Falempe int i; 923bffd962SPeter Rosin 93ce7fcf70SJocelyn Falempe switch (format->format) { 94ce7fcf70SJocelyn Falempe case DRM_FORMAT_C8: /* In this case, gamma table is used as color palette */ 95ce7fcf70SJocelyn Falempe case DRM_FORMAT_RGB565: 96ce7fcf70SJocelyn Falempe case DRM_FORMAT_XRGB8888: 97ce7fcf70SJocelyn Falempe for (i = 0; i < AST_LUT_SIZE; i++) 98ce7fcf70SJocelyn Falempe ast_load_palette_index(ast, i, 99ce7fcf70SJocelyn Falempe lut[i].red >> 8, 100ce7fcf70SJocelyn Falempe lut[i].green >> 8, 101ce7fcf70SJocelyn Falempe lut[i].blue >> 8); 102ce7fcf70SJocelyn Falempe break; 103ce7fcf70SJocelyn Falempe default: 104ce7fcf70SJocelyn Falempe drm_warn_once(&ast->base, "Unsupported format %p4cc for gamma correction\n", 105ce7fcf70SJocelyn Falempe &format->format); 106ce7fcf70SJocelyn Falempe break; 107ce7fcf70SJocelyn Falempe } 108312fec14SDave Airlie } 109312fec14SDave Airlie 110ae37025dSThomas Zimmermann static bool ast_get_vbios_mode_info(const struct drm_format_info *format, 111259d14a7SThomas Zimmermann const struct drm_display_mode *mode, 112312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 113312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 114312fec14SDave Airlie { 115259d14a7SThomas Zimmermann u32 refresh_rate_index = 0, refresh_rate; 11622acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 117312fec14SDave Airlie u32 hborder, vborder; 11894d12b13SY.C. Chen bool check_sync; 119312fec14SDave Airlie 120ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 121312fec14SDave Airlie case 8: 122312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 123312fec14SDave Airlie break; 124312fec14SDave Airlie case 16: 125312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 126312fec14SDave Airlie break; 127312fec14SDave Airlie case 24: 128312fec14SDave Airlie case 32: 129312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 130312fec14SDave Airlie break; 131312fec14SDave Airlie default: 132312fec14SDave Airlie return false; 133312fec14SDave Airlie } 134312fec14SDave Airlie 135259d14a7SThomas Zimmermann switch (mode->crtc_hdisplay) { 136312fec14SDave Airlie case 640: 137312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 138312fec14SDave Airlie break; 139312fec14SDave Airlie case 800: 140312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 141312fec14SDave Airlie break; 142312fec14SDave Airlie case 1024: 143312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 144312fec14SDave Airlie break; 14571dee036SJammy Huang case 1152: 14671dee036SJammy Huang vbios_mode->enh_table = &res_1152x864[refresh_rate_index]; 14771dee036SJammy Huang break; 148312fec14SDave Airlie case 1280: 149259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 800) 150312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 151312fec14SDave Airlie else 152312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 153312fec14SDave Airlie break; 154f1f62f2cSDave Airlie case 1360: 155f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 156f1f62f2cSDave Airlie break; 157312fec14SDave Airlie case 1440: 158312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 159312fec14SDave Airlie break; 160312fec14SDave Airlie case 1600: 161259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 900) 162f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 163f1f62f2cSDave Airlie else 164312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 165312fec14SDave Airlie break; 166312fec14SDave Airlie case 1680: 167312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 168312fec14SDave Airlie break; 169312fec14SDave Airlie case 1920: 170259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 1080) 171312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 172312fec14SDave Airlie else 173312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 174312fec14SDave Airlie break; 175312fec14SDave Airlie default: 176312fec14SDave Airlie return false; 177312fec14SDave Airlie } 178312fec14SDave Airlie 179312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 18094d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 181259d14a7SThomas Zimmermann 182259d14a7SThomas Zimmermann while (1) { 18322acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 18494d12b13SY.C. Chen 18594d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 18694d12b13SY.C. Chen if ((check_sync) && 18794d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 18894d12b13SY.C. Chen (loop->flags & PVSync)) || 18994d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 19094d12b13SY.C. Chen (loop->flags & NVSync)) || 19194d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 19294d12b13SY.C. Chen (loop->flags & PHSync)) || 19394d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 19494d12b13SY.C. Chen (loop->flags & NHSync)))) { 19594d12b13SY.C. Chen loop++; 19694d12b13SY.C. Chen continue; 19794d12b13SY.C. Chen } 19894d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 19994d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 20094d12b13SY.C. Chen best = loop; 20194d12b13SY.C. Chen loop++; 20294d12b13SY.C. Chen } 20394d12b13SY.C. Chen if (best || !check_sync) 204312fec14SDave Airlie break; 20594d12b13SY.C. Chen check_sync = 0; 206259d14a7SThomas Zimmermann } 207259d14a7SThomas Zimmermann 20894d12b13SY.C. Chen if (best) 20994d12b13SY.C. Chen vbios_mode->enh_table = best; 210312fec14SDave Airlie 211312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 212312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 213312fec14SDave Airlie 214312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 215312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 216312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 217312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 218312fec14SDave Airlie vbios_mode->enh_table->hfp; 219312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 220312fec14SDave Airlie vbios_mode->enh_table->hfp + 221312fec14SDave Airlie vbios_mode->enh_table->hsync); 222312fec14SDave Airlie 223312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 224312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 225312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 226312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 227312fec14SDave Airlie vbios_mode->enh_table->vfp; 228312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 229312fec14SDave Airlie vbios_mode->enh_table->vfp + 230312fec14SDave Airlie vbios_mode->enh_table->vsync); 231312fec14SDave Airlie 232259d14a7SThomas Zimmermann return true; 233259d14a7SThomas Zimmermann } 234259d14a7SThomas Zimmermann 23537b42cf9SThomas Zimmermann static void ast_set_vbios_color_reg(struct ast_device *ast, 236ae37025dSThomas Zimmermann const struct drm_format_info *format, 237259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 238259d14a7SThomas Zimmermann { 239259d14a7SThomas Zimmermann u32 color_index; 240259d14a7SThomas Zimmermann 241ae37025dSThomas Zimmermann switch (format->cpp[0]) { 242259d14a7SThomas Zimmermann case 1: 243259d14a7SThomas Zimmermann color_index = VGAModeIndex - 1; 244259d14a7SThomas Zimmermann break; 245259d14a7SThomas Zimmermann case 2: 246259d14a7SThomas Zimmermann color_index = HiCModeIndex; 247259d14a7SThomas Zimmermann break; 248259d14a7SThomas Zimmermann case 3: 249259d14a7SThomas Zimmermann case 4: 250259d14a7SThomas Zimmermann color_index = TrueCModeIndex; 251291ddeb6SColin Ian King break; 252259d14a7SThomas Zimmermann default: 253259d14a7SThomas Zimmermann return; 254259d14a7SThomas Zimmermann } 255259d14a7SThomas Zimmermann 256259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); 257259d14a7SThomas Zimmermann 258259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 259259d14a7SThomas Zimmermann 260259d14a7SThomas Zimmermann if (vbios_mode->enh_table->flags & NewModeInfo) { 261259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 262ae37025dSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8); 263259d14a7SThomas Zimmermann } 264259d14a7SThomas Zimmermann } 265259d14a7SThomas Zimmermann 26637b42cf9SThomas Zimmermann static void ast_set_vbios_mode_reg(struct ast_device *ast, 267259d14a7SThomas Zimmermann const struct drm_display_mode *adjusted_mode, 268259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 269259d14a7SThomas Zimmermann { 270259d14a7SThomas Zimmermann u32 refresh_rate_index, mode_id; 271259d14a7SThomas Zimmermann 272312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 273312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 274312fec14SDave Airlie 275312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 276312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 277312fec14SDave Airlie 278f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 279259d14a7SThomas Zimmermann 280f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 281312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 282312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 283312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 284312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 285312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 286312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 287312fec14SDave Airlie } 288f1f62f2cSDave Airlie } 289312fec14SDave Airlie 29037b42cf9SThomas Zimmermann static void ast_set_std_reg(struct ast_device *ast, 291ae37025dSThomas Zimmermann struct drm_display_mode *mode, 292312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 293312fec14SDave Airlie { 29422acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 295312fec14SDave Airlie u32 i; 296312fec14SDave Airlie u8 jreg; 297312fec14SDave Airlie 298312fec14SDave Airlie stdtable = vbios_mode->std_table; 299312fec14SDave Airlie 300312fec14SDave Airlie jreg = stdtable->misc; 301312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 302312fec14SDave Airlie 3032fbeec03SThomas Zimmermann /* Set SEQ; except Screen Disable field */ 304312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 3052fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]); 3062fbeec03SThomas Zimmermann for (i = 1; i < 4; i++) { 307312fec14SDave Airlie jreg = stdtable->seq[i]; 308312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1), jreg); 309312fec14SDave Airlie } 310312fec14SDave Airlie 311a21fdd7aSThomas Zimmermann /* Set CRTC; except base address and offset */ 312312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 313a21fdd7aSThomas Zimmermann for (i = 0; i < 12; i++) 314a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 315a21fdd7aSThomas Zimmermann for (i = 14; i < 19; i++) 316a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 317a21fdd7aSThomas Zimmermann for (i = 20; i < 25; i++) 318312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 319312fec14SDave Airlie 320312fec14SDave Airlie /* set AR */ 321312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 322312fec14SDave Airlie for (i = 0; i < 20; i++) { 323312fec14SDave Airlie jreg = stdtable->ar[i]; 324312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 325312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 326312fec14SDave Airlie } 327312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 328312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 329312fec14SDave Airlie 330312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 331312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 332312fec14SDave Airlie 333312fec14SDave Airlie /* Set GR */ 334312fec14SDave Airlie for (i = 0; i < 9; i++) 335312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 336312fec14SDave Airlie } 337312fec14SDave Airlie 33837b42cf9SThomas Zimmermann static void ast_set_crtc_reg(struct ast_device *ast, 339ae37025dSThomas Zimmermann struct drm_display_mode *mode, 340312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 341312fec14SDave Airlie { 342312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 3439f93c8b3SY.C. Chen u16 temp, precache = 0; 3449f93c8b3SY.C. Chen 345d6cbe630SJammy Huang if ((ast->chip == AST2500 || ast->chip == AST2600) && 3469f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 3479f93c8b3SY.C. Chen precache = 40; 348312fec14SDave Airlie 349312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 350312fec14SDave Airlie 351312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 352312fec14SDave Airlie if (temp & 0x100) 353312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 354312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 355312fec14SDave Airlie 356312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 357312fec14SDave Airlie if (temp & 0x100) 358312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 359312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 360312fec14SDave Airlie 361312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 362312fec14SDave Airlie if (temp & 0x100) 363312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 364312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 365312fec14SDave Airlie 366312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 367312fec14SDave Airlie if (temp & 0x20) 368312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 369312fec14SDave Airlie if (temp & 0x40) 370312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 371312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 372312fec14SDave Airlie 3739f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 374312fec14SDave Airlie if (temp & 0x100) 375312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 376312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 377312fec14SDave Airlie 3789f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 379312fec14SDave Airlie if (temp & 0x20) 380312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 381312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 382312fec14SDave Airlie 383312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 384312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 385312fec14SDave Airlie 386d6cbe630SJammy Huang // Workaround for HSync Time non octave pixels (1920x1080@60Hz HSync 44 pixels); 387d6cbe630SJammy Huang if ((ast->chip == AST2600) && (mode->crtc_vdisplay == 1080)) 388d6cbe630SJammy Huang ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xFC, 0xFD, 0x02); 389d6cbe630SJammy Huang else 390d6cbe630SJammy Huang ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xFC, 0xFD, 0x00); 391d6cbe630SJammy Huang 392312fec14SDave Airlie /* vert timings */ 393312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 394312fec14SDave Airlie if (temp & 0x100) 395312fec14SDave Airlie jreg07 |= 0x01; 396312fec14SDave Airlie if (temp & 0x200) 397312fec14SDave Airlie jreg07 |= 0x20; 398312fec14SDave Airlie if (temp & 0x400) 399312fec14SDave Airlie jregAE |= 0x01; 400312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 401312fec14SDave Airlie 402312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 403312fec14SDave Airlie if (temp & 0x100) 404312fec14SDave Airlie jreg07 |= 0x04; 405312fec14SDave Airlie if (temp & 0x200) 406312fec14SDave Airlie jreg07 |= 0x80; 407312fec14SDave Airlie if (temp & 0x400) 408312fec14SDave Airlie jregAE |= 0x08; 409312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 410312fec14SDave Airlie 411312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 412312fec14SDave Airlie if (temp & 0x10) 413312fec14SDave Airlie jregAE |= 0x20; 414312fec14SDave Airlie if (temp & 0x20) 415312fec14SDave Airlie jregAE |= 0x40; 416312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 417312fec14SDave Airlie 418312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 419312fec14SDave Airlie if (temp & 0x100) 420312fec14SDave Airlie jreg07 |= 0x02; 421312fec14SDave Airlie if (temp & 0x200) 422312fec14SDave Airlie jreg07 |= 0x40; 423312fec14SDave Airlie if (temp & 0x400) 424312fec14SDave Airlie jregAE |= 0x02; 425312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 426312fec14SDave Airlie 427312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 428312fec14SDave Airlie if (temp & 0x100) 429312fec14SDave Airlie jreg07 |= 0x08; 430312fec14SDave Airlie if (temp & 0x200) 431312fec14SDave Airlie jreg09 |= 0x20; 432312fec14SDave Airlie if (temp & 0x400) 433312fec14SDave Airlie jregAE |= 0x04; 434312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 435312fec14SDave Airlie 436312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 437312fec14SDave Airlie if (temp & 0x100) 438312fec14SDave Airlie jregAE |= 0x10; 439312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 440312fec14SDave Airlie 441312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 442312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 443312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 444312fec14SDave Airlie 4459f93c8b3SY.C. Chen if (precache) 4469f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 4479f93c8b3SY.C. Chen else 4489f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 4499f93c8b3SY.C. Chen 450312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 451312fec14SDave Airlie } 452312fec14SDave Airlie 45337b42cf9SThomas Zimmermann static void ast_set_offset_reg(struct ast_device *ast, 454ae37025dSThomas Zimmermann struct drm_framebuffer *fb) 455312fec14SDave Airlie { 456312fec14SDave Airlie u16 offset; 457312fec14SDave Airlie 4587445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 459312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 460312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 461312fec14SDave Airlie } 462312fec14SDave Airlie 46337b42cf9SThomas Zimmermann static void ast_set_dclk_reg(struct ast_device *ast, 464ae37025dSThomas Zimmermann struct drm_display_mode *mode, 465312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 466312fec14SDave Airlie { 46722acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 468312fec14SDave Airlie 469d6cbe630SJammy Huang if ((ast->chip == AST2500) || (ast->chip == AST2600)) 4709f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4719f93c8b3SY.C. Chen else 472312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 473312fec14SDave Airlie 474312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 475312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 476312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4779f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4789f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 479312fec14SDave Airlie } 480312fec14SDave Airlie 48137b42cf9SThomas Zimmermann static void ast_set_color_reg(struct ast_device *ast, 482ae37025dSThomas Zimmermann const struct drm_format_info *format) 483312fec14SDave Airlie { 484312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 485312fec14SDave Airlie 486ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 487312fec14SDave Airlie case 8: 488312fec14SDave Airlie jregA0 = 0x70; 489312fec14SDave Airlie jregA3 = 0x01; 490312fec14SDave Airlie jregA8 = 0x00; 491312fec14SDave Airlie break; 492312fec14SDave Airlie case 15: 493312fec14SDave Airlie case 16: 494312fec14SDave Airlie jregA0 = 0x70; 495312fec14SDave Airlie jregA3 = 0x04; 496312fec14SDave Airlie jregA8 = 0x02; 497312fec14SDave Airlie break; 498312fec14SDave Airlie case 32: 499312fec14SDave Airlie jregA0 = 0x70; 500312fec14SDave Airlie jregA3 = 0x08; 501312fec14SDave Airlie jregA8 = 0x02; 502312fec14SDave Airlie break; 503312fec14SDave Airlie } 504312fec14SDave Airlie 505312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 506312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 507312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 5080d45ad98SThomas Zimmermann } 5090d45ad98SThomas Zimmermann 51037b42cf9SThomas Zimmermann static void ast_set_crtthd_reg(struct ast_device *ast) 5110d45ad98SThomas Zimmermann { 512312fec14SDave Airlie /* Set Threshold */ 513bcc77411SKuoHsiang Chou if (ast->chip == AST2600) { 514bcc77411SKuoHsiang Chou ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0xe0); 515bcc77411SKuoHsiang Chou ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0xa0); 516bcc77411SKuoHsiang Chou } else if (ast->chip == AST2300 || ast->chip == AST2400 || 5179f93c8b3SY.C. Chen ast->chip == AST2500) { 518312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 519312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 520312fec14SDave Airlie } else if (ast->chip == AST2100 || 521312fec14SDave Airlie ast->chip == AST1100 || 522312fec14SDave Airlie ast->chip == AST2200 || 523312fec14SDave Airlie ast->chip == AST2150) { 524312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 525312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 526312fec14SDave Airlie } else { 527312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 528312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 529312fec14SDave Airlie } 530312fec14SDave Airlie } 531312fec14SDave Airlie 53237b42cf9SThomas Zimmermann static void ast_set_sync_reg(struct ast_device *ast, 533ae37025dSThomas Zimmermann struct drm_display_mode *mode, 534312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 535312fec14SDave Airlie { 536312fec14SDave Airlie u8 jreg; 537312fec14SDave Airlie 538312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 53994d12b13SY.C. Chen jreg &= ~0xC0; 5406c9bd443SGregory Williams if (vbios_mode->enh_table->flags & NVSync) 5416c9bd443SGregory Williams jreg |= 0x80; 5426c9bd443SGregory Williams if (vbios_mode->enh_table->flags & NHSync) 5436c9bd443SGregory Williams jreg |= 0x40; 544312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 545312fec14SDave Airlie } 546312fec14SDave Airlie 54737b42cf9SThomas Zimmermann static void ast_set_start_address_crt1(struct ast_device *ast, 5486c9bd443SGregory Williams unsigned int offset) 549312fec14SDave Airlie { 550312fec14SDave Airlie u32 addr; 551312fec14SDave Airlie 552312fec14SDave Airlie addr = offset >> 2; 553312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 554312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 555312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 556312fec14SDave Airlie 557312fec14SDave Airlie } 558312fec14SDave Airlie 55937b42cf9SThomas Zimmermann static void ast_wait_for_vretrace(struct ast_device *ast) 56039edb287SThomas Zimmermann { 56139edb287SThomas Zimmermann unsigned long timeout = jiffies + HZ; 56239edb287SThomas Zimmermann u8 vgair1; 56339edb287SThomas Zimmermann 56439edb287SThomas Zimmermann do { 56539edb287SThomas Zimmermann vgair1 = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 56639edb287SThomas Zimmermann } while (!(vgair1 & AST_IO_VGAIR1_VREFRESH) && time_before(jiffies, timeout)); 56739edb287SThomas Zimmermann } 56839edb287SThomas Zimmermann 569a6ff807bSThomas Zimmermann /* 570f2fa5a99SThomas Zimmermann * Planes 571f2fa5a99SThomas Zimmermann */ 572f2fa5a99SThomas Zimmermann 573f2fa5a99SThomas Zimmermann static int ast_plane_init(struct drm_device *dev, struct ast_plane *ast_plane, 574f2fa5a99SThomas Zimmermann void __iomem *vaddr, u64 offset, unsigned long size, 575f2fa5a99SThomas Zimmermann uint32_t possible_crtcs, 576f2fa5a99SThomas Zimmermann const struct drm_plane_funcs *funcs, 577f2fa5a99SThomas Zimmermann const uint32_t *formats, unsigned int format_count, 578f2fa5a99SThomas Zimmermann const uint64_t *format_modifiers, 579f2fa5a99SThomas Zimmermann enum drm_plane_type type) 580f2fa5a99SThomas Zimmermann { 581f2fa5a99SThomas Zimmermann struct drm_plane *plane = &ast_plane->base; 582f2fa5a99SThomas Zimmermann 583f2fa5a99SThomas Zimmermann ast_plane->vaddr = vaddr; 584f2fa5a99SThomas Zimmermann ast_plane->offset = offset; 585f2fa5a99SThomas Zimmermann ast_plane->size = size; 586f2fa5a99SThomas Zimmermann 587f2fa5a99SThomas Zimmermann return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, 588f2fa5a99SThomas Zimmermann formats, format_count, format_modifiers, 589f2fa5a99SThomas Zimmermann type, NULL); 590f2fa5a99SThomas Zimmermann } 591f2fa5a99SThomas Zimmermann 592f2fa5a99SThomas Zimmermann /* 593a6ff807bSThomas Zimmermann * Primary plane 594a6ff807bSThomas Zimmermann */ 595a6ff807bSThomas Zimmermann 596a6ff807bSThomas Zimmermann static const uint32_t ast_primary_plane_formats[] = { 597a6ff807bSThomas Zimmermann DRM_FORMAT_XRGB8888, 598a6ff807bSThomas Zimmermann DRM_FORMAT_RGB565, 599a6ff807bSThomas Zimmermann DRM_FORMAT_C8, 600a6ff807bSThomas Zimmermann }; 601a6ff807bSThomas Zimmermann 602ae46a57dSThomas Zimmermann static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, 6037c11b99aSMaxime Ripard struct drm_atomic_state *state) 604a6ff807bSThomas Zimmermann { 6050432a504SThomas Zimmermann struct drm_device *dev = plane->dev; 606d95dcfc4SThomas Zimmermann struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); 607d95dcfc4SThomas Zimmermann struct drm_crtc_state *new_crtc_state = NULL; 608d95dcfc4SThomas Zimmermann struct ast_crtc_state *new_ast_crtc_state; 609ae46a57dSThomas Zimmermann int ret; 610ae46a57dSThomas Zimmermann 6110432a504SThomas Zimmermann if (new_plane_state->crtc) 612d95dcfc4SThomas Zimmermann new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_state->crtc); 613ae46a57dSThomas Zimmermann 614d95dcfc4SThomas Zimmermann ret = drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state, 615cce32e4eSThomas Zimmermann DRM_PLANE_NO_SCALING, 616cce32e4eSThomas Zimmermann DRM_PLANE_NO_SCALING, 617ae46a57dSThomas Zimmermann false, true); 6180432a504SThomas Zimmermann if (ret) { 619ae46a57dSThomas Zimmermann return ret; 6200432a504SThomas Zimmermann } else if (!new_plane_state->visible) { 6210432a504SThomas Zimmermann if (drm_WARN_ON(dev, new_plane_state->crtc)) /* cannot legally happen */ 6220432a504SThomas Zimmermann return -EINVAL; 6230432a504SThomas Zimmermann else 6243339fdf5SThomas Zimmermann return 0; 6250432a504SThomas Zimmermann } 6263339fdf5SThomas Zimmermann 627d95dcfc4SThomas Zimmermann new_ast_crtc_state = to_ast_crtc_state(new_crtc_state); 6283339fdf5SThomas Zimmermann 629d95dcfc4SThomas Zimmermann new_ast_crtc_state->format = new_plane_state->fb->format; 6303339fdf5SThomas Zimmermann 631a6ff807bSThomas Zimmermann return 0; 632a6ff807bSThomas Zimmermann } 633a6ff807bSThomas Zimmermann 634f2fa5a99SThomas Zimmermann static void ast_handle_damage(struct ast_plane *ast_plane, struct iosys_map *src, 635f2fa5a99SThomas Zimmermann struct drm_framebuffer *fb, 636f2fa5a99SThomas Zimmermann const struct drm_rect *clip) 637f2fa5a99SThomas Zimmermann { 638b1def7faSThomas Zimmermann struct iosys_map dst = IOSYS_MAP_INIT_VADDR_IOMEM(ast_plane->vaddr); 639f2fa5a99SThomas Zimmermann 640f2fa5a99SThomas Zimmermann iosys_map_incr(&dst, drm_fb_clip_offset(fb->pitches[0], fb->format, clip)); 641f2fa5a99SThomas Zimmermann drm_fb_memcpy(&dst, fb->pitches, src, fb, clip); 642f2fa5a99SThomas Zimmermann } 643f2fa5a99SThomas Zimmermann 644d95dcfc4SThomas Zimmermann static void ast_primary_plane_helper_atomic_update(struct drm_plane *plane, 645977697e2SMaxime Ripard struct drm_atomic_state *state) 646a6ff807bSThomas Zimmermann { 6471a19b4cbSThomas Zimmermann struct drm_device *dev = plane->dev; 648*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(dev); 649d95dcfc4SThomas Zimmermann struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane); 650f2fa5a99SThomas Zimmermann struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state); 651d95dcfc4SThomas Zimmermann struct drm_framebuffer *fb = plane_state->fb; 652d95dcfc4SThomas Zimmermann struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane); 653d95dcfc4SThomas Zimmermann struct drm_framebuffer *old_fb = old_plane_state->fb; 654f2fa5a99SThomas Zimmermann struct ast_plane *ast_plane = to_ast_plane(plane); 655f2fa5a99SThomas Zimmermann struct drm_rect damage; 656f2fa5a99SThomas Zimmermann struct drm_atomic_helper_damage_iter iter; 657a6ff807bSThomas Zimmermann 6585638c82cSThomas Zimmermann if (!old_fb || (fb->format != old_fb->format)) { 659d95dcfc4SThomas Zimmermann struct drm_crtc *crtc = plane_state->crtc; 660d95dcfc4SThomas Zimmermann struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); 6615638c82cSThomas Zimmermann struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 6625638c82cSThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info; 6635638c82cSThomas Zimmermann 6645638c82cSThomas Zimmermann ast_set_color_reg(ast, fb->format); 6655638c82cSThomas Zimmermann ast_set_vbios_color_reg(ast, fb->format, vbios_mode_info); 6665638c82cSThomas Zimmermann } 6675638c82cSThomas Zimmermann 668f2fa5a99SThomas Zimmermann drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state); 669f2fa5a99SThomas Zimmermann drm_atomic_for_each_plane_damage(&iter, &damage) { 670f2fa5a99SThomas Zimmermann ast_handle_damage(ast_plane, shadow_plane_state->data, fb, &damage); 671f2fa5a99SThomas Zimmermann } 672a6ff807bSThomas Zimmermann 673202fb33bSThomas Zimmermann /* 674202fb33bSThomas Zimmermann * Some BMCs stop scanning out the video signal after the driver 6758f85e4a1SThomas Zimmermann * reprogrammed the offset. This stalls display output for several 6768f85e4a1SThomas Zimmermann * seconds and makes the display unusable. Therefore only update 6778f85e4a1SThomas Zimmermann * the offset if it changes. 678202fb33bSThomas Zimmermann */ 679202fb33bSThomas Zimmermann if (!old_fb || old_fb->pitches[0] != fb->pitches[0]) 6805638c82cSThomas Zimmermann ast_set_offset_reg(ast, fb); 6818f85e4a1SThomas Zimmermann } 6828f85e4a1SThomas Zimmermann 6838f85e4a1SThomas Zimmermann static void ast_primary_plane_helper_atomic_enable(struct drm_plane *plane, 6848f85e4a1SThomas Zimmermann struct drm_atomic_state *state) 6858f85e4a1SThomas Zimmermann { 686*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(plane->dev); 6878f85e4a1SThomas Zimmermann struct ast_plane *ast_plane = to_ast_plane(plane); 6888f85e4a1SThomas Zimmermann 6898f85e4a1SThomas Zimmermann /* 6908f85e4a1SThomas Zimmermann * Some BMCs stop scanning out the video signal after the driver 6918f85e4a1SThomas Zimmermann * reprogrammed the scanout address. This stalls display 6928f85e4a1SThomas Zimmermann * output for several seconds and makes the display unusable. 6938f85e4a1SThomas Zimmermann * Therefore only reprogram the address after enabling the plane. 6948f85e4a1SThomas Zimmermann */ 695f2fa5a99SThomas Zimmermann ast_set_start_address_crt1(ast, (u32)ast_plane->offset); 6962fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); 6972fbeec03SThomas Zimmermann } 6982fbeec03SThomas Zimmermann 699d95dcfc4SThomas Zimmermann static void ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, 700977697e2SMaxime Ripard struct drm_atomic_state *state) 7012fbeec03SThomas Zimmermann { 702*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(plane->dev); 7032fbeec03SThomas Zimmermann 7042fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 705a6ff807bSThomas Zimmermann } 706a6ff807bSThomas Zimmermann 707a6ff807bSThomas Zimmermann static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { 708f2fa5a99SThomas Zimmermann DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, 709a6ff807bSThomas Zimmermann .atomic_check = ast_primary_plane_helper_atomic_check, 710a6ff807bSThomas Zimmermann .atomic_update = ast_primary_plane_helper_atomic_update, 7118f85e4a1SThomas Zimmermann .atomic_enable = ast_primary_plane_helper_atomic_enable, 7122fbeec03SThomas Zimmermann .atomic_disable = ast_primary_plane_helper_atomic_disable, 713a6ff807bSThomas Zimmermann }; 714a6ff807bSThomas Zimmermann 715a6ff807bSThomas Zimmermann static const struct drm_plane_funcs ast_primary_plane_funcs = { 716a6ff807bSThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 717a6ff807bSThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 718a6ff807bSThomas Zimmermann .destroy = drm_plane_cleanup, 719f2fa5a99SThomas Zimmermann DRM_GEM_SHADOW_PLANE_FUNCS, 720a6ff807bSThomas Zimmermann }; 721a6ff807bSThomas Zimmermann 72237b42cf9SThomas Zimmermann static int ast_primary_plane_init(struct ast_device *ast) 723616048afSThomas Zimmermann { 724616048afSThomas Zimmermann struct drm_device *dev = &ast->base; 725f2fa5a99SThomas Zimmermann struct ast_plane *ast_primary_plane = &ast->primary_plane; 726f2fa5a99SThomas Zimmermann struct drm_plane *primary_plane = &ast_primary_plane->base; 727f2fa5a99SThomas Zimmermann void __iomem *vaddr = ast->vram; 728f2fa5a99SThomas Zimmermann u64 offset = ast->vram_base; 729f2fa5a99SThomas Zimmermann unsigned long cursor_size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 730f2fa5a99SThomas Zimmermann unsigned long size = ast->vram_fb_available - cursor_size; 731616048afSThomas Zimmermann int ret; 732616048afSThomas Zimmermann 733f2fa5a99SThomas Zimmermann ret = ast_plane_init(dev, ast_primary_plane, vaddr, offset, size, 734f2fa5a99SThomas Zimmermann 0x01, &ast_primary_plane_funcs, 735f2fa5a99SThomas Zimmermann ast_primary_plane_formats, ARRAY_SIZE(ast_primary_plane_formats), 736f2fa5a99SThomas Zimmermann NULL, DRM_PLANE_TYPE_PRIMARY); 737616048afSThomas Zimmermann if (ret) { 738f2fa5a99SThomas Zimmermann drm_err(dev, "ast_plane_init() failed: %d\n", ret); 739616048afSThomas Zimmermann return ret; 740616048afSThomas Zimmermann } 741616048afSThomas Zimmermann drm_plane_helper_add(primary_plane, &ast_primary_plane_helper_funcs); 742f2fa5a99SThomas Zimmermann drm_plane_enable_fb_damage_clips(primary_plane); 743616048afSThomas Zimmermann 744616048afSThomas Zimmermann return 0; 745616048afSThomas Zimmermann } 746616048afSThomas Zimmermann 747a6ff807bSThomas Zimmermann /* 74802f3bb75SThomas Zimmermann * Cursor plane 74902f3bb75SThomas Zimmermann */ 75002f3bb75SThomas Zimmermann 751718c2286SThomas Zimmermann static void ast_update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height) 752718c2286SThomas Zimmermann { 753718c2286SThomas Zimmermann union { 754718c2286SThomas Zimmermann u32 ul; 755718c2286SThomas Zimmermann u8 b[4]; 756718c2286SThomas Zimmermann } srcdata32[2], data32; 757718c2286SThomas Zimmermann union { 758718c2286SThomas Zimmermann u16 us; 759718c2286SThomas Zimmermann u8 b[2]; 760718c2286SThomas Zimmermann } data16; 761718c2286SThomas Zimmermann u32 csum = 0; 762718c2286SThomas Zimmermann s32 alpha_dst_delta, last_alpha_dst_delta; 763718c2286SThomas Zimmermann u8 __iomem *dstxor; 764718c2286SThomas Zimmermann const u8 *srcxor; 765718c2286SThomas Zimmermann int i, j; 766718c2286SThomas Zimmermann u32 per_pixel_copy, two_pixel_copy; 767718c2286SThomas Zimmermann 768718c2286SThomas Zimmermann alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 769718c2286SThomas Zimmermann last_alpha_dst_delta = alpha_dst_delta - (width << 1); 770718c2286SThomas Zimmermann 771718c2286SThomas Zimmermann srcxor = src; 772718c2286SThomas Zimmermann dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 773718c2286SThomas Zimmermann per_pixel_copy = width & 1; 774718c2286SThomas Zimmermann two_pixel_copy = width >> 1; 775718c2286SThomas Zimmermann 776718c2286SThomas Zimmermann for (j = 0; j < height; j++) { 777718c2286SThomas Zimmermann for (i = 0; i < two_pixel_copy; i++) { 778718c2286SThomas Zimmermann srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 779718c2286SThomas Zimmermann srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 780718c2286SThomas Zimmermann data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 781718c2286SThomas Zimmermann data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 782718c2286SThomas Zimmermann data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 783718c2286SThomas Zimmermann data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 784718c2286SThomas Zimmermann 785718c2286SThomas Zimmermann writel(data32.ul, dstxor); 786718c2286SThomas Zimmermann csum += data32.ul; 787718c2286SThomas Zimmermann 788718c2286SThomas Zimmermann dstxor += 4; 789718c2286SThomas Zimmermann srcxor += 8; 790718c2286SThomas Zimmermann 791718c2286SThomas Zimmermann } 792718c2286SThomas Zimmermann 793718c2286SThomas Zimmermann for (i = 0; i < per_pixel_copy; i++) { 794718c2286SThomas Zimmermann srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 795718c2286SThomas Zimmermann data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 796718c2286SThomas Zimmermann data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 797718c2286SThomas Zimmermann writew(data16.us, dstxor); 798718c2286SThomas Zimmermann csum += (u32)data16.us; 799718c2286SThomas Zimmermann 800718c2286SThomas Zimmermann dstxor += 2; 801718c2286SThomas Zimmermann srcxor += 4; 802718c2286SThomas Zimmermann } 803718c2286SThomas Zimmermann dstxor += last_alpha_dst_delta; 804718c2286SThomas Zimmermann } 805718c2286SThomas Zimmermann 806718c2286SThomas Zimmermann /* write checksum + signature */ 807718c2286SThomas Zimmermann dst += AST_HWC_SIZE; 808718c2286SThomas Zimmermann writel(csum, dst); 809718c2286SThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 810718c2286SThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 811718c2286SThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 812718c2286SThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 813718c2286SThomas Zimmermann } 814718c2286SThomas Zimmermann 81537b42cf9SThomas Zimmermann static void ast_set_cursor_base(struct ast_device *ast, u64 address) 816718c2286SThomas Zimmermann { 817718c2286SThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 818718c2286SThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 819718c2286SThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 820718c2286SThomas Zimmermann 821718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 822718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 823718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 824718c2286SThomas Zimmermann } 825718c2286SThomas Zimmermann 82637b42cf9SThomas Zimmermann static void ast_set_cursor_location(struct ast_device *ast, u16 x, u16 y, 827718c2286SThomas Zimmermann u8 x_offset, u8 y_offset) 828718c2286SThomas Zimmermann { 829718c2286SThomas Zimmermann u8 x0 = (x & 0x00ff); 830718c2286SThomas Zimmermann u8 x1 = (x & 0x0f00) >> 8; 831718c2286SThomas Zimmermann u8 y0 = (y & 0x00ff); 832718c2286SThomas Zimmermann u8 y1 = (y & 0x0700) >> 8; 833718c2286SThomas Zimmermann 834718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 835718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 836718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0); 837718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1); 838718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0); 839718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1); 840718c2286SThomas Zimmermann } 841718c2286SThomas Zimmermann 84237b42cf9SThomas Zimmermann static void ast_set_cursor_enabled(struct ast_device *ast, bool enabled) 843718c2286SThomas Zimmermann { 844718c2286SThomas Zimmermann static const u8 mask = (u8)~(AST_IO_VGACRCB_HWC_16BPP | 845718c2286SThomas Zimmermann AST_IO_VGACRCB_HWC_ENABLED); 846718c2286SThomas Zimmermann 847718c2286SThomas Zimmermann u8 vgacrcb = AST_IO_VGACRCB_HWC_16BPP; 848718c2286SThomas Zimmermann 849718c2286SThomas Zimmermann if (enabled) 850718c2286SThomas Zimmermann vgacrcb |= AST_IO_VGACRCB_HWC_ENABLED; 851718c2286SThomas Zimmermann 852718c2286SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, mask, vgacrcb); 853718c2286SThomas Zimmermann } 854718c2286SThomas Zimmermann 85502f3bb75SThomas Zimmermann static const uint32_t ast_cursor_plane_formats[] = { 85602f3bb75SThomas Zimmermann DRM_FORMAT_ARGB8888, 85702f3bb75SThomas Zimmermann }; 85802f3bb75SThomas Zimmermann 85902f3bb75SThomas Zimmermann static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, 8607c11b99aSMaxime Ripard struct drm_atomic_state *state) 86102f3bb75SThomas Zimmermann { 862d95dcfc4SThomas Zimmermann struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); 863d95dcfc4SThomas Zimmermann struct drm_framebuffer *new_fb = new_plane_state->fb; 864d95dcfc4SThomas Zimmermann struct drm_crtc_state *new_crtc_state = NULL; 865ae46a57dSThomas Zimmermann int ret; 866ae46a57dSThomas Zimmermann 8670432a504SThomas Zimmermann if (new_plane_state->crtc) 868d95dcfc4SThomas Zimmermann new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_state->crtc); 869ae46a57dSThomas Zimmermann 870d95dcfc4SThomas Zimmermann ret = drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state, 871cce32e4eSThomas Zimmermann DRM_PLANE_NO_SCALING, 872cce32e4eSThomas Zimmermann DRM_PLANE_NO_SCALING, 873ae46a57dSThomas Zimmermann true, true); 8740432a504SThomas Zimmermann if (ret || !new_plane_state->visible) 875ae46a57dSThomas Zimmermann return ret; 876ae46a57dSThomas Zimmermann 877d95dcfc4SThomas Zimmermann if (new_fb->width > AST_MAX_HWC_WIDTH || new_fb->height > AST_MAX_HWC_HEIGHT) 878ae46a57dSThomas Zimmermann return -EINVAL; 879ae46a57dSThomas Zimmermann 88002f3bb75SThomas Zimmermann return 0; 88102f3bb75SThomas Zimmermann } 88202f3bb75SThomas Zimmermann 883d95dcfc4SThomas Zimmermann static void ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, 884977697e2SMaxime Ripard struct drm_atomic_state *state) 88502f3bb75SThomas Zimmermann { 886537a1db9SThomas Zimmermann struct ast_plane *ast_plane = to_ast_plane(plane); 887d95dcfc4SThomas Zimmermann struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane); 888d95dcfc4SThomas Zimmermann struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state); 889d95dcfc4SThomas Zimmermann struct drm_framebuffer *fb = plane_state->fb; 890d95dcfc4SThomas Zimmermann struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane); 891*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(plane->dev); 8927938f421SLucas De Marchi struct iosys_map src_map = shadow_plane_state->data[0]; 893f2fa5a99SThomas Zimmermann struct drm_rect damage; 894f2fa5a99SThomas Zimmermann const u8 *src = src_map.vaddr; /* TODO: Use mapping abstraction properly */ 895f2fa5a99SThomas Zimmermann u64 dst_off = ast_plane->offset; 896f2fa5a99SThomas Zimmermann u8 __iomem *dst = ast_plane->vaddr; /* TODO: Use mapping abstraction properly */ 897f2fa5a99SThomas Zimmermann u8 __iomem *sig = dst + AST_HWC_SIZE; /* TODO: Use mapping abstraction properly */ 89881039adcSThomas Zimmermann unsigned int offset_x, offset_y; 899718c2286SThomas Zimmermann u16 x, y; 900718c2286SThomas Zimmermann u8 x_offset, y_offset; 9014d36cf07SThomas Zimmermann 9024d36cf07SThomas Zimmermann /* 903f2fa5a99SThomas Zimmermann * Do data transfer to hardware buffer and point the scanout 904f2fa5a99SThomas Zimmermann * engine to the offset. 9054d36cf07SThomas Zimmermann */ 9064d36cf07SThomas Zimmermann 907f2fa5a99SThomas Zimmermann if (drm_atomic_helper_damage_merged(old_plane_state, plane_state, &damage)) { 9084d36cf07SThomas Zimmermann ast_update_cursor_image(dst, src, fb->width, fb->height); 909385131f3SThomas Zimmermann ast_set_cursor_base(ast, dst_off); 910f2fa5a99SThomas Zimmermann } 911718c2286SThomas Zimmermann 9124d36cf07SThomas Zimmermann /* 9134d36cf07SThomas Zimmermann * Update location in HWC signature and registers. 9144d36cf07SThomas Zimmermann */ 915718c2286SThomas Zimmermann 916d95dcfc4SThomas Zimmermann writel(plane_state->crtc_x, sig + AST_HWC_SIGNATURE_X); 917d95dcfc4SThomas Zimmermann writel(plane_state->crtc_y, sig + AST_HWC_SIGNATURE_Y); 918718c2286SThomas Zimmermann 91981039adcSThomas Zimmermann offset_x = AST_MAX_HWC_WIDTH - fb->width; 920ee4a92d6SThomas Zimmermann offset_y = AST_MAX_HWC_HEIGHT - fb->height; 92102f3bb75SThomas Zimmermann 922d95dcfc4SThomas Zimmermann if (plane_state->crtc_x < 0) { 923d95dcfc4SThomas Zimmermann x_offset = (-plane_state->crtc_x) + offset_x; 924718c2286SThomas Zimmermann x = 0; 925718c2286SThomas Zimmermann } else { 926718c2286SThomas Zimmermann x_offset = offset_x; 927d95dcfc4SThomas Zimmermann x = plane_state->crtc_x; 928718c2286SThomas Zimmermann } 929d95dcfc4SThomas Zimmermann if (plane_state->crtc_y < 0) { 930d95dcfc4SThomas Zimmermann y_offset = (-plane_state->crtc_y) + offset_y; 931718c2286SThomas Zimmermann y = 0; 932718c2286SThomas Zimmermann } else { 933718c2286SThomas Zimmermann y_offset = offset_y; 934d95dcfc4SThomas Zimmermann y = plane_state->crtc_y; 93502f3bb75SThomas Zimmermann } 93602f3bb75SThomas Zimmermann 937718c2286SThomas Zimmermann ast_set_cursor_location(ast, x, y, x_offset, y_offset); 938718c2286SThomas Zimmermann 9394d36cf07SThomas Zimmermann /* Dummy write to enable HWC and make the HW pick-up the changes. */ 940718c2286SThomas Zimmermann ast_set_cursor_enabled(ast, true); 94102f3bb75SThomas Zimmermann } 94202f3bb75SThomas Zimmermann 943d95dcfc4SThomas Zimmermann static void ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, 944977697e2SMaxime Ripard struct drm_atomic_state *state) 94502f3bb75SThomas Zimmermann { 946*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(plane->dev); 94702f3bb75SThomas Zimmermann 948718c2286SThomas Zimmermann ast_set_cursor_enabled(ast, false); 94902f3bb75SThomas Zimmermann } 95002f3bb75SThomas Zimmermann 95102f3bb75SThomas Zimmermann static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { 9524d36cf07SThomas Zimmermann DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, 95302f3bb75SThomas Zimmermann .atomic_check = ast_cursor_plane_helper_atomic_check, 95402f3bb75SThomas Zimmermann .atomic_update = ast_cursor_plane_helper_atomic_update, 95502f3bb75SThomas Zimmermann .atomic_disable = ast_cursor_plane_helper_atomic_disable, 95602f3bb75SThomas Zimmermann }; 95702f3bb75SThomas Zimmermann 95802f3bb75SThomas Zimmermann static const struct drm_plane_funcs ast_cursor_plane_funcs = { 95902f3bb75SThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 96002f3bb75SThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 961f2fa5a99SThomas Zimmermann .destroy = drm_plane_cleanup, 9624d36cf07SThomas Zimmermann DRM_GEM_SHADOW_PLANE_FUNCS, 96302f3bb75SThomas Zimmermann }; 96402f3bb75SThomas Zimmermann 96537b42cf9SThomas Zimmermann static int ast_cursor_plane_init(struct ast_device *ast) 966616048afSThomas Zimmermann { 967616048afSThomas Zimmermann struct drm_device *dev = &ast->base; 968f2fa5a99SThomas Zimmermann struct ast_plane *ast_cursor_plane = &ast->cursor_plane; 969f2fa5a99SThomas Zimmermann struct drm_plane *cursor_plane = &ast_cursor_plane->base; 970aa7c8865SThomas Zimmermann size_t size; 971f2fa5a99SThomas Zimmermann void __iomem *vaddr; 972f2fa5a99SThomas Zimmermann u64 offset; 973616048afSThomas Zimmermann int ret; 974616048afSThomas Zimmermann 97522b6591fSThomas Zimmermann /* 97622b6591fSThomas Zimmermann * Allocate backing storage for cursors. The BOs are permanently 97722b6591fSThomas Zimmermann * pinned to the top end of the VRAM. 97822b6591fSThomas Zimmermann */ 97922b6591fSThomas Zimmermann 98022b6591fSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 98122b6591fSThomas Zimmermann 982f2fa5a99SThomas Zimmermann if (ast->vram_fb_available < size) 983f2fa5a99SThomas Zimmermann return -ENOMEM; 984aa7c8865SThomas Zimmermann 985f2fa5a99SThomas Zimmermann vaddr = ast->vram + ast->vram_fb_available - size; 986f2fa5a99SThomas Zimmermann offset = ast->vram_base + ast->vram_fb_available - size; 987aa7c8865SThomas Zimmermann 988f2fa5a99SThomas Zimmermann ret = ast_plane_init(dev, ast_cursor_plane, vaddr, offset, size, 989f2fa5a99SThomas Zimmermann 0x01, &ast_cursor_plane_funcs, 990f2fa5a99SThomas Zimmermann ast_cursor_plane_formats, ARRAY_SIZE(ast_cursor_plane_formats), 991f2fa5a99SThomas Zimmermann NULL, DRM_PLANE_TYPE_CURSOR); 992616048afSThomas Zimmermann if (ret) { 993f2fa5a99SThomas Zimmermann drm_err(dev, "ast_plane_init() failed: %d\n", ret); 994f2fa5a99SThomas Zimmermann return ret; 995616048afSThomas Zimmermann } 996616048afSThomas Zimmermann drm_plane_helper_add(cursor_plane, &ast_cursor_plane_helper_funcs); 997f2fa5a99SThomas Zimmermann drm_plane_enable_fb_damage_clips(cursor_plane); 998f2fa5a99SThomas Zimmermann 999f2fa5a99SThomas Zimmermann ast->vram_fb_available -= size; 1000616048afSThomas Zimmermann 1001616048afSThomas Zimmermann return 0; 1002616048afSThomas Zimmermann } 1003616048afSThomas Zimmermann 100402f3bb75SThomas Zimmermann /* 1005a6ff807bSThomas Zimmermann * CRTC 1006a6ff807bSThomas Zimmermann */ 1007a6ff807bSThomas Zimmermann 1008312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 1009312fec14SDave Airlie { 1010*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(crtc->dev); 1011594e9c04SKuoHsiang Chou u8 ch = AST_DPMS_VSYNC_OFF | AST_DPMS_HSYNC_OFF; 10125171660cSJocelyn Falempe struct ast_crtc_state *ast_state; 10135171660cSJocelyn Falempe const struct drm_format_info *format; 10145171660cSJocelyn Falempe struct ast_vbios_mode_info *vbios_mode_info; 1015312fec14SDave Airlie 10162fbeec03SThomas Zimmermann /* TODO: Maybe control display signal generation with 10172fbeec03SThomas Zimmermann * Sync Enable (bit CR17.7). 10182fbeec03SThomas Zimmermann */ 1019312fec14SDave Airlie switch (mode) { 1020312fec14SDave Airlie case DRM_MODE_DPMS_ON: 1021594e9c04SKuoHsiang Chou ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, 0); 1022594e9c04SKuoHsiang Chou ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xfc, 0); 10237f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_DP501_BIT) 102483c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 1025594e9c04SKuoHsiang Chou 10267f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_ASTDP_BIT) { 1027594e9c04SKuoHsiang Chou ast_dp_power_on_off(crtc->dev, AST_DP_POWER_ON); 1028594e9c04SKuoHsiang Chou ast_wait_for_vretrace(ast); 1029594e9c04SKuoHsiang Chou ast_dp_set_on_off(crtc->dev, 1); 1030594e9c04SKuoHsiang Chou } 1031594e9c04SKuoHsiang Chou 10325171660cSJocelyn Falempe ast_state = to_ast_crtc_state(crtc->state); 10335171660cSJocelyn Falempe format = ast_state->format; 10345171660cSJocelyn Falempe 10355171660cSJocelyn Falempe if (format) { 10365171660cSJocelyn Falempe vbios_mode_info = &ast_state->vbios_mode_info; 10375171660cSJocelyn Falempe 10385171660cSJocelyn Falempe ast_set_color_reg(ast, format); 10395171660cSJocelyn Falempe ast_set_vbios_color_reg(ast, format, vbios_mode_info); 1040ce7fcf70SJocelyn Falempe if (crtc->state->gamma_lut) 1041ce7fcf70SJocelyn Falempe ast_crtc_set_gamma(ast, format, crtc->state->gamma_lut->data); 1042ce7fcf70SJocelyn Falempe else 1043ce7fcf70SJocelyn Falempe ast_crtc_set_gamma_linear(ast, format); 10445171660cSJocelyn Falempe } 1045312fec14SDave Airlie break; 1046594e9c04SKuoHsiang Chou case DRM_MODE_DPMS_STANDBY: 1047594e9c04SKuoHsiang Chou case DRM_MODE_DPMS_SUSPEND: 1048312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 1049594e9c04SKuoHsiang Chou ch = mode; 10507f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_DP501_BIT) 105183c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 1052594e9c04SKuoHsiang Chou 10537f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_ASTDP_BIT) { 1054594e9c04SKuoHsiang Chou ast_dp_set_on_off(crtc->dev, 0); 1055594e9c04SKuoHsiang Chou ast_dp_power_on_off(crtc->dev, AST_DP_POWER_OFF); 1056594e9c04SKuoHsiang Chou } 1057594e9c04SKuoHsiang Chou 1058594e9c04SKuoHsiang Chou ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, 0x20); 1059594e9c04SKuoHsiang Chou ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xfc, ch); 10607f35680aSThomas Zimmermann break; 1061312fec14SDave Airlie } 1062312fec14SDave Airlie } 1063312fec14SDave Airlie 10646abbad2cSThomas Zimmermann static enum drm_mode_status 10656abbad2cSThomas Zimmermann ast_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) 10666abbad2cSThomas Zimmermann { 1067*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(crtc->dev); 10686abbad2cSThomas Zimmermann enum drm_mode_status status; 10696abbad2cSThomas Zimmermann uint32_t jtemp; 10706abbad2cSThomas Zimmermann 10716abbad2cSThomas Zimmermann if (ast->support_wide_screen) { 10726abbad2cSThomas Zimmermann if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 10736abbad2cSThomas Zimmermann return MODE_OK; 10746abbad2cSThomas Zimmermann if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 10756abbad2cSThomas Zimmermann return MODE_OK; 10766abbad2cSThomas Zimmermann if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 10776abbad2cSThomas Zimmermann return MODE_OK; 10786abbad2cSThomas Zimmermann if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 10796abbad2cSThomas Zimmermann return MODE_OK; 10806abbad2cSThomas Zimmermann if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 10816abbad2cSThomas Zimmermann return MODE_OK; 108271dee036SJammy Huang if ((mode->hdisplay == 1152) && (mode->vdisplay == 864)) 108371dee036SJammy Huang return MODE_OK; 10846abbad2cSThomas Zimmermann 10856abbad2cSThomas Zimmermann if ((ast->chip == AST2100) || (ast->chip == AST2200) || 10866abbad2cSThomas Zimmermann (ast->chip == AST2300) || (ast->chip == AST2400) || 1087594e9c04SKuoHsiang Chou (ast->chip == AST2500) || (ast->chip == AST2600)) { 10886abbad2cSThomas Zimmermann if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 10896abbad2cSThomas Zimmermann return MODE_OK; 10906abbad2cSThomas Zimmermann 10916abbad2cSThomas Zimmermann if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 10926abbad2cSThomas Zimmermann jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 10936abbad2cSThomas Zimmermann if (jtemp & 0x01) 10946abbad2cSThomas Zimmermann return MODE_NOMODE; 10956abbad2cSThomas Zimmermann else 10966abbad2cSThomas Zimmermann return MODE_OK; 10976abbad2cSThomas Zimmermann } 10986abbad2cSThomas Zimmermann } 10996abbad2cSThomas Zimmermann } 11006abbad2cSThomas Zimmermann 11016abbad2cSThomas Zimmermann status = MODE_NOMODE; 11026abbad2cSThomas Zimmermann 11036abbad2cSThomas Zimmermann switch (mode->hdisplay) { 11046abbad2cSThomas Zimmermann case 640: 11056abbad2cSThomas Zimmermann if (mode->vdisplay == 480) 11066abbad2cSThomas Zimmermann status = MODE_OK; 11076abbad2cSThomas Zimmermann break; 11086abbad2cSThomas Zimmermann case 800: 11096abbad2cSThomas Zimmermann if (mode->vdisplay == 600) 11106abbad2cSThomas Zimmermann status = MODE_OK; 11116abbad2cSThomas Zimmermann break; 11126abbad2cSThomas Zimmermann case 1024: 11136abbad2cSThomas Zimmermann if (mode->vdisplay == 768) 11146abbad2cSThomas Zimmermann status = MODE_OK; 11156abbad2cSThomas Zimmermann break; 111671dee036SJammy Huang case 1152: 111771dee036SJammy Huang if (mode->vdisplay == 864) 111871dee036SJammy Huang status = MODE_OK; 111971dee036SJammy Huang break; 11206abbad2cSThomas Zimmermann case 1280: 11216abbad2cSThomas Zimmermann if (mode->vdisplay == 1024) 11226abbad2cSThomas Zimmermann status = MODE_OK; 11236abbad2cSThomas Zimmermann break; 11246abbad2cSThomas Zimmermann case 1600: 11256abbad2cSThomas Zimmermann if (mode->vdisplay == 1200) 11266abbad2cSThomas Zimmermann status = MODE_OK; 11276abbad2cSThomas Zimmermann break; 11286abbad2cSThomas Zimmermann default: 11296abbad2cSThomas Zimmermann break; 11306abbad2cSThomas Zimmermann } 11316abbad2cSThomas Zimmermann 11326abbad2cSThomas Zimmermann return status; 11336abbad2cSThomas Zimmermann } 11346abbad2cSThomas Zimmermann 1135b48e1b6fSThomas Zimmermann static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, 113629b77ad7SMaxime Ripard struct drm_atomic_state *state) 1137b48e1b6fSThomas Zimmermann { 1138016a14beSThomas Zimmermann struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); 1139ce7fcf70SJocelyn Falempe struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); 1140ce7fcf70SJocelyn Falempe struct ast_crtc_state *old_ast_crtc_state = to_ast_crtc_state(old_crtc_state); 11415638c82cSThomas Zimmermann struct drm_device *dev = crtc->dev; 1142e7d70cd4SThomas Zimmermann struct ast_crtc_state *ast_state; 11433339fdf5SThomas Zimmermann const struct drm_format_info *format; 1144b48e1b6fSThomas Zimmermann bool succ; 1145016a14beSThomas Zimmermann int ret; 1146016a14beSThomas Zimmermann 114729b77ad7SMaxime Ripard if (!crtc_state->enable) 1148963a2ba2SThomas Zimmermann return 0; 1149d6ddbd5cSThomas Zimmermann 11508f2fd57dSThomas Zimmermann ret = drm_atomic_helper_check_crtc_primary_plane(crtc_state); 11518f2fd57dSThomas Zimmermann if (ret) 11528f2fd57dSThomas Zimmermann return ret; 11538f2fd57dSThomas Zimmermann 115429b77ad7SMaxime Ripard ast_state = to_ast_crtc_state(crtc_state); 1155b48e1b6fSThomas Zimmermann 11563339fdf5SThomas Zimmermann format = ast_state->format; 11575638c82cSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, !format)) 11585638c82cSThomas Zimmermann return -EINVAL; /* BUG: We didn't set format in primary check(). */ 1159e7d70cd4SThomas Zimmermann 1160ce7fcf70SJocelyn Falempe /* 1161ce7fcf70SJocelyn Falempe * The gamma LUT has to be reloaded after changing the primary 1162ce7fcf70SJocelyn Falempe * plane's color format. 1163ce7fcf70SJocelyn Falempe */ 1164ce7fcf70SJocelyn Falempe if (old_ast_crtc_state->format != format) 1165ce7fcf70SJocelyn Falempe crtc_state->color_mgmt_changed = true; 1166ce7fcf70SJocelyn Falempe 1167ce7fcf70SJocelyn Falempe if (crtc_state->color_mgmt_changed && crtc_state->gamma_lut) { 1168ce7fcf70SJocelyn Falempe if (crtc_state->gamma_lut->length != 1169ce7fcf70SJocelyn Falempe AST_LUT_SIZE * sizeof(struct drm_color_lut)) { 1170ce7fcf70SJocelyn Falempe drm_err(dev, "Wrong size for gamma_lut %zu\n", 1171ce7fcf70SJocelyn Falempe crtc_state->gamma_lut->length); 1172ce7fcf70SJocelyn Falempe return -EINVAL; 1173ce7fcf70SJocelyn Falempe } 1174ce7fcf70SJocelyn Falempe } 1175ce7fcf70SJocelyn Falempe 117629b77ad7SMaxime Ripard succ = ast_get_vbios_mode_info(format, &crtc_state->mode, 117729b77ad7SMaxime Ripard &crtc_state->adjusted_mode, 1178e7d70cd4SThomas Zimmermann &ast_state->vbios_mode_info); 1179b48e1b6fSThomas Zimmermann if (!succ) 1180b48e1b6fSThomas Zimmermann return -EINVAL; 1181b48e1b6fSThomas Zimmermann 1182963a2ba2SThomas Zimmermann return 0; 1183b48e1b6fSThomas Zimmermann } 1184b48e1b6fSThomas Zimmermann 1185f3901b5fSThomas Zimmermann static void 1186f6ebe9f9SMaxime Ripard ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, 1187f6ebe9f9SMaxime Ripard struct drm_atomic_state *state) 11888e3784dfSThomas Zimmermann { 1189253f28b6SMaxime Ripard struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, 1190253f28b6SMaxime Ripard crtc); 1191f870231fSThomas Zimmermann struct drm_device *dev = crtc->dev; 1192*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(dev); 1193253f28b6SMaxime Ripard struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 1194594e9c04SKuoHsiang Chou struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info; 11958e3784dfSThomas Zimmermann 11968e3784dfSThomas Zimmermann /* 11978e3784dfSThomas Zimmermann * The gamma LUT has to be reloaded after changing the primary 11988e3784dfSThomas Zimmermann * plane's color format. 11998e3784dfSThomas Zimmermann */ 1200ce7fcf70SJocelyn Falempe if (crtc_state->enable && crtc_state->color_mgmt_changed) { 1201ce7fcf70SJocelyn Falempe if (crtc_state->gamma_lut) 1202ce7fcf70SJocelyn Falempe ast_crtc_set_gamma(ast, 1203ce7fcf70SJocelyn Falempe ast_crtc_state->format, 1204ce7fcf70SJocelyn Falempe crtc_state->gamma_lut->data); 1205ce7fcf70SJocelyn Falempe else 1206ce7fcf70SJocelyn Falempe ast_crtc_set_gamma_linear(ast, ast_crtc_state->format); 1207ce7fcf70SJocelyn Falempe } 1208594e9c04SKuoHsiang Chou 1209594e9c04SKuoHsiang Chou //Set Aspeed Display-Port 12107f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_ASTDP_BIT) 1211594e9c04SKuoHsiang Chou ast_dp_set_mode(crtc, vbios_mode_info); 12128e3784dfSThomas Zimmermann } 12138e3784dfSThomas Zimmermann 1214d95dcfc4SThomas Zimmermann static void ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state) 1215b48e1b6fSThomas Zimmermann { 121671d873ccSThomas Zimmermann struct drm_device *dev = crtc->dev; 1217*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(dev); 1218d95dcfc4SThomas Zimmermann struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); 12195638c82cSThomas Zimmermann struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 12205638c82cSThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info = 12215638c82cSThomas Zimmermann &ast_crtc_state->vbios_mode_info; 12225638c82cSThomas Zimmermann struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; 1223b48e1b6fSThomas Zimmermann 1224e7d70cd4SThomas Zimmermann ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info); 1225b48e1b6fSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 1226e7d70cd4SThomas Zimmermann ast_set_std_reg(ast, adjusted_mode, vbios_mode_info); 1227e7d70cd4SThomas Zimmermann ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info); 1228e7d70cd4SThomas Zimmermann ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info); 1229ae37025dSThomas Zimmermann ast_set_crtthd_reg(ast); 1230e7d70cd4SThomas Zimmermann ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info); 1231b48e1b6fSThomas Zimmermann 1232b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 1233b48e1b6fSThomas Zimmermann } 1234b48e1b6fSThomas Zimmermann 1235d95dcfc4SThomas Zimmermann static void ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state) 1236b48e1b6fSThomas Zimmermann { 1237d95dcfc4SThomas Zimmermann struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); 123839edb287SThomas Zimmermann struct drm_device *dev = crtc->dev; 1239*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(dev); 124039edb287SThomas Zimmermann 1241b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 124239edb287SThomas Zimmermann 124339edb287SThomas Zimmermann /* 124439edb287SThomas Zimmermann * HW cursors require the underlying primary plane and CRTC to 124539edb287SThomas Zimmermann * display a valid mode and image. This is not the case during 124639edb287SThomas Zimmermann * full modeset operations. So we temporarily disable any active 124739edb287SThomas Zimmermann * plane, including the HW cursor. Each plane's atomic_update() 124839edb287SThomas Zimmermann * helper will re-enable it if necessary. 124939edb287SThomas Zimmermann * 125039edb287SThomas Zimmermann * We only do this during *full* modesets. It does not affect 125139edb287SThomas Zimmermann * simple pageflips on the planes. 125239edb287SThomas Zimmermann */ 125339edb287SThomas Zimmermann drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); 125439edb287SThomas Zimmermann 125539edb287SThomas Zimmermann /* 125639edb287SThomas Zimmermann * Ensure that no scanout takes place before reprogramming mode 125739edb287SThomas Zimmermann * and format registers. 125839edb287SThomas Zimmermann */ 125939edb287SThomas Zimmermann ast_wait_for_vretrace(ast); 1260b48e1b6fSThomas Zimmermann } 1261312fec14SDave Airlie 1262312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 12636abbad2cSThomas Zimmermann .mode_valid = ast_crtc_helper_mode_valid, 1264b48e1b6fSThomas Zimmermann .atomic_check = ast_crtc_helper_atomic_check, 12658e3784dfSThomas Zimmermann .atomic_flush = ast_crtc_helper_atomic_flush, 1266b48e1b6fSThomas Zimmermann .atomic_enable = ast_crtc_helper_atomic_enable, 1267b48e1b6fSThomas Zimmermann .atomic_disable = ast_crtc_helper_atomic_disable, 1268312fec14SDave Airlie }; 1269312fec14SDave Airlie 1270f0adbc38SThomas Zimmermann static void ast_crtc_reset(struct drm_crtc *crtc) 1271f0adbc38SThomas Zimmermann { 1272f0adbc38SThomas Zimmermann struct ast_crtc_state *ast_state = 1273f0adbc38SThomas Zimmermann kzalloc(sizeof(*ast_state), GFP_KERNEL); 1274f0adbc38SThomas Zimmermann 1275f0adbc38SThomas Zimmermann if (crtc->state) 1276f0adbc38SThomas Zimmermann crtc->funcs->atomic_destroy_state(crtc, crtc->state); 1277f0adbc38SThomas Zimmermann 1278fea3fdf9SJiasheng Jiang if (ast_state) 1279f0adbc38SThomas Zimmermann __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); 1280fea3fdf9SJiasheng Jiang else 1281fea3fdf9SJiasheng Jiang __drm_atomic_helper_crtc_reset(crtc, NULL); 1282f0adbc38SThomas Zimmermann } 1283f0adbc38SThomas Zimmermann 128483be6a3cSThomas Zimmermann static struct drm_crtc_state * 128583be6a3cSThomas Zimmermann ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) 128683be6a3cSThomas Zimmermann { 1287e7d70cd4SThomas Zimmermann struct ast_crtc_state *new_ast_state, *ast_state; 12881a19b4cbSThomas Zimmermann struct drm_device *dev = crtc->dev; 128983be6a3cSThomas Zimmermann 12901a19b4cbSThomas Zimmermann if (drm_WARN_ON(dev, !crtc->state)) 129183be6a3cSThomas Zimmermann return NULL; 129283be6a3cSThomas Zimmermann 129383be6a3cSThomas Zimmermann new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL); 129483be6a3cSThomas Zimmermann if (!new_ast_state) 129583be6a3cSThomas Zimmermann return NULL; 129683be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base); 129783be6a3cSThomas Zimmermann 1298e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(crtc->state); 1299e7d70cd4SThomas Zimmermann 13003339fdf5SThomas Zimmermann new_ast_state->format = ast_state->format; 1301e7d70cd4SThomas Zimmermann memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info, 1302e7d70cd4SThomas Zimmermann sizeof(new_ast_state->vbios_mode_info)); 1303e7d70cd4SThomas Zimmermann 130483be6a3cSThomas Zimmermann return &new_ast_state->base; 130583be6a3cSThomas Zimmermann } 130683be6a3cSThomas Zimmermann 130783be6a3cSThomas Zimmermann static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc, 130883be6a3cSThomas Zimmermann struct drm_crtc_state *state) 130983be6a3cSThomas Zimmermann { 131083be6a3cSThomas Zimmermann struct ast_crtc_state *ast_state = to_ast_crtc_state(state); 131183be6a3cSThomas Zimmermann 131283be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_destroy_state(&ast_state->base); 131383be6a3cSThomas Zimmermann kfree(ast_state); 131483be6a3cSThomas Zimmermann } 131583be6a3cSThomas Zimmermann 1316312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 1317f0adbc38SThomas Zimmermann .reset = ast_crtc_reset, 13186a470dc2SThomas Zimmermann .destroy = drm_crtc_cleanup, 13194961eb60SThomas Zimmermann .set_config = drm_atomic_helper_set_config, 13204961eb60SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, 132183be6a3cSThomas Zimmermann .atomic_duplicate_state = ast_crtc_atomic_duplicate_state, 132283be6a3cSThomas Zimmermann .atomic_destroy_state = ast_crtc_atomic_destroy_state, 1323312fec14SDave Airlie }; 1324312fec14SDave Airlie 13257f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 1326312fec14SDave Airlie { 1327*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(dev); 13286a470dc2SThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 1329a6ff807bSThomas Zimmermann int ret; 1330312fec14SDave Airlie 1331f2fa5a99SThomas Zimmermann ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane.base, 1332a0ba992dSThomas Zimmermann &ast->cursor_plane.base, &ast_crtc_funcs, 133302f3bb75SThomas Zimmermann NULL); 1334a6ff807bSThomas Zimmermann if (ret) 13356a470dc2SThomas Zimmermann return ret; 1336a6ff807bSThomas Zimmermann 1337ce7fcf70SJocelyn Falempe drm_mode_crtc_set_gamma_size(crtc, AST_LUT_SIZE); 1338ce7fcf70SJocelyn Falempe drm_crtc_enable_color_mgmt(crtc, 0, false, AST_LUT_SIZE); 1339ce7fcf70SJocelyn Falempe 1340c35da0edSThomas Zimmermann drm_crtc_helper_add(crtc, &ast_crtc_helper_funcs); 1341c35da0edSThomas Zimmermann 1342312fec14SDave Airlie return 0; 1343312fec14SDave Airlie } 1344312fec14SDave Airlie 13454961eb60SThomas Zimmermann /* 1346b20384d9SThomas Zimmermann * VGA Connector 13474961eb60SThomas Zimmermann */ 13484961eb60SThomas Zimmermann 1349b20384d9SThomas Zimmermann static int ast_vga_connector_helper_get_modes(struct drm_connector *connector) 1350312fec14SDave Airlie { 1351b20384d9SThomas Zimmermann struct ast_vga_connector *ast_vga_connector = to_ast_vga_connector(connector); 1352f870231fSThomas Zimmermann struct drm_device *dev = connector->dev; 1353*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(dev); 13543ab26eddSThomas Zimmermann struct edid *edid; 13553ab26eddSThomas Zimmermann int count; 1356312fec14SDave Airlie 13573ab26eddSThomas Zimmermann if (!ast_vga_connector->i2c) 13583ab26eddSThomas Zimmermann goto err_drm_connector_update_edid_property; 1359312fec14SDave Airlie 1360f870231fSThomas Zimmermann /* 1361f870231fSThomas Zimmermann * Protect access to I/O registers from concurrent modesetting 1362f870231fSThomas Zimmermann * by acquiring the I/O-register lock. 1363f870231fSThomas Zimmermann */ 1364f870231fSThomas Zimmermann mutex_lock(&ast->ioregs_lock); 1365f870231fSThomas Zimmermann 1366b20384d9SThomas Zimmermann edid = drm_get_edid(connector, &ast_vga_connector->i2c->adapter); 136783c6620bSDave Airlie if (!edid) 1368f870231fSThomas Zimmermann goto err_mutex_unlock; 1369f870231fSThomas Zimmermann 1370f870231fSThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 1371312fec14SDave Airlie 13723ab26eddSThomas Zimmermann count = drm_add_edid_modes(connector, edid); 137383c6620bSDave Airlie kfree(edid); 13743ab26eddSThomas Zimmermann 13753ab26eddSThomas Zimmermann return count; 13763ab26eddSThomas Zimmermann 1377f870231fSThomas Zimmermann err_mutex_unlock: 1378f870231fSThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 13793ab26eddSThomas Zimmermann err_drm_connector_update_edid_property: 1380b20384d9SThomas Zimmermann drm_connector_update_edid_property(connector, NULL); 1381312fec14SDave Airlie return 0; 1382312fec14SDave Airlie } 1383312fec14SDave Airlie 1384b20384d9SThomas Zimmermann static const struct drm_connector_helper_funcs ast_vga_connector_helper_funcs = { 1385b20384d9SThomas Zimmermann .get_modes = ast_vga_connector_helper_get_modes, 1386312fec14SDave Airlie }; 1387312fec14SDave Airlie 1388b20384d9SThomas Zimmermann static const struct drm_connector_funcs ast_vga_connector_funcs = { 13894961eb60SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 1390312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 1391a2cce09cSThomas Zimmermann .destroy = drm_connector_cleanup, 13924961eb60SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 13934961eb60SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1394312fec14SDave Airlie }; 1395312fec14SDave Airlie 1396a59b0264SThomas Zimmermann static int ast_vga_connector_init(struct drm_device *dev, 1397a59b0264SThomas Zimmermann struct ast_vga_connector *ast_vga_connector) 1398312fec14SDave Airlie { 1399b20384d9SThomas Zimmermann struct drm_connector *connector = &ast_vga_connector->base; 14009285f09eSThomas Zimmermann int ret; 1401312fec14SDave Airlie 1402b20384d9SThomas Zimmermann ast_vga_connector->i2c = ast_i2c_create(dev); 1403b20384d9SThomas Zimmermann if (!ast_vga_connector->i2c) 14041a19b4cbSThomas Zimmermann drm_err(dev, "failed to add ddc bus for connector\n"); 1405350fd554SAndrzej Pietrasiewicz 1406b20384d9SThomas Zimmermann if (ast_vga_connector->i2c) 1407b20384d9SThomas Zimmermann ret = drm_connector_init_with_ddc(dev, connector, &ast_vga_connector_funcs, 1408350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 1409b20384d9SThomas Zimmermann &ast_vga_connector->i2c->adapter); 141055dc449aSThomas Zimmermann else 1411b20384d9SThomas Zimmermann ret = drm_connector_init(dev, connector, &ast_vga_connector_funcs, 141255dc449aSThomas Zimmermann DRM_MODE_CONNECTOR_VGA); 14139285f09eSThomas Zimmermann if (ret) 14149285f09eSThomas Zimmermann return ret; 1415312fec14SDave Airlie 1416b20384d9SThomas Zimmermann drm_connector_helper_add(connector, &ast_vga_connector_helper_funcs); 1417312fec14SDave Airlie 1418312fec14SDave Airlie connector->interlace_allowed = 0; 1419312fec14SDave Airlie connector->doublescan_allowed = 0; 1420312fec14SDave Airlie 1421595cb5e0SKim Phillips connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1422312fec14SDave Airlie 1423a59b0264SThomas Zimmermann return 0; 1424a59b0264SThomas Zimmermann } 1425a59b0264SThomas Zimmermann 142637b42cf9SThomas Zimmermann static int ast_vga_output_init(struct ast_device *ast) 1427a59b0264SThomas Zimmermann { 1428a59b0264SThomas Zimmermann struct drm_device *dev = &ast->base; 1429a59b0264SThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 1430a59b0264SThomas Zimmermann struct drm_encoder *encoder = &ast->output.vga.encoder; 1431a59b0264SThomas Zimmermann struct ast_vga_connector *ast_vga_connector = &ast->output.vga.vga_connector; 1432a59b0264SThomas Zimmermann struct drm_connector *connector = &ast_vga_connector->base; 1433a59b0264SThomas Zimmermann int ret; 1434a59b0264SThomas Zimmermann 1435a59b0264SThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC); 1436a59b0264SThomas Zimmermann if (ret) 1437a59b0264SThomas Zimmermann return ret; 1438f665147cSThomas Zimmermann encoder->possible_crtcs = drm_crtc_mask(crtc); 1439a59b0264SThomas Zimmermann 1440a59b0264SThomas Zimmermann ret = ast_vga_connector_init(dev, ast_vga_connector); 1441a59b0264SThomas Zimmermann if (ret) 1442a59b0264SThomas Zimmermann return ret; 1443a59b0264SThomas Zimmermann 1444a59b0264SThomas Zimmermann ret = drm_connector_attach_encoder(connector, encoder); 1445a59b0264SThomas Zimmermann if (ret) 1446a59b0264SThomas Zimmermann return ret; 1447312fec14SDave Airlie 1448312fec14SDave Airlie return 0; 1449312fec14SDave Airlie } 1450312fec14SDave Airlie 1451e6949ff3SThomas Zimmermann /* 14525e78d59aSThomas Zimmermann * SIL164 Connector 14535e78d59aSThomas Zimmermann */ 14545e78d59aSThomas Zimmermann 14555e78d59aSThomas Zimmermann static int ast_sil164_connector_helper_get_modes(struct drm_connector *connector) 14565e78d59aSThomas Zimmermann { 14575e78d59aSThomas Zimmermann struct ast_sil164_connector *ast_sil164_connector = to_ast_sil164_connector(connector); 1458f870231fSThomas Zimmermann struct drm_device *dev = connector->dev; 1459*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(dev); 14605e78d59aSThomas Zimmermann struct edid *edid; 14615e78d59aSThomas Zimmermann int count; 14625e78d59aSThomas Zimmermann 14635e78d59aSThomas Zimmermann if (!ast_sil164_connector->i2c) 14645e78d59aSThomas Zimmermann goto err_drm_connector_update_edid_property; 14655e78d59aSThomas Zimmermann 1466f870231fSThomas Zimmermann /* 1467f870231fSThomas Zimmermann * Protect access to I/O registers from concurrent modesetting 1468f870231fSThomas Zimmermann * by acquiring the I/O-register lock. 1469f870231fSThomas Zimmermann */ 1470f870231fSThomas Zimmermann mutex_lock(&ast->ioregs_lock); 1471f870231fSThomas Zimmermann 14725e78d59aSThomas Zimmermann edid = drm_get_edid(connector, &ast_sil164_connector->i2c->adapter); 14735e78d59aSThomas Zimmermann if (!edid) 1474f870231fSThomas Zimmermann goto err_mutex_unlock; 1475f870231fSThomas Zimmermann 1476f870231fSThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 14775e78d59aSThomas Zimmermann 14785e78d59aSThomas Zimmermann count = drm_add_edid_modes(connector, edid); 14795e78d59aSThomas Zimmermann kfree(edid); 14805e78d59aSThomas Zimmermann 14815e78d59aSThomas Zimmermann return count; 14825e78d59aSThomas Zimmermann 1483f870231fSThomas Zimmermann err_mutex_unlock: 1484f870231fSThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 14855e78d59aSThomas Zimmermann err_drm_connector_update_edid_property: 14865e78d59aSThomas Zimmermann drm_connector_update_edid_property(connector, NULL); 14875e78d59aSThomas Zimmermann return 0; 14885e78d59aSThomas Zimmermann } 14895e78d59aSThomas Zimmermann 14905e78d59aSThomas Zimmermann static const struct drm_connector_helper_funcs ast_sil164_connector_helper_funcs = { 14915e78d59aSThomas Zimmermann .get_modes = ast_sil164_connector_helper_get_modes, 14925e78d59aSThomas Zimmermann }; 14935e78d59aSThomas Zimmermann 14945e78d59aSThomas Zimmermann static const struct drm_connector_funcs ast_sil164_connector_funcs = { 14955e78d59aSThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 14965e78d59aSThomas Zimmermann .fill_modes = drm_helper_probe_single_connector_modes, 14975e78d59aSThomas Zimmermann .destroy = drm_connector_cleanup, 14985e78d59aSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 14995e78d59aSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 15005e78d59aSThomas Zimmermann }; 15015e78d59aSThomas Zimmermann 15025e78d59aSThomas Zimmermann static int ast_sil164_connector_init(struct drm_device *dev, 15035e78d59aSThomas Zimmermann struct ast_sil164_connector *ast_sil164_connector) 15045e78d59aSThomas Zimmermann { 15055e78d59aSThomas Zimmermann struct drm_connector *connector = &ast_sil164_connector->base; 15065e78d59aSThomas Zimmermann int ret; 15075e78d59aSThomas Zimmermann 15085e78d59aSThomas Zimmermann ast_sil164_connector->i2c = ast_i2c_create(dev); 15095e78d59aSThomas Zimmermann if (!ast_sil164_connector->i2c) 15105e78d59aSThomas Zimmermann drm_err(dev, "failed to add ddc bus for connector\n"); 15115e78d59aSThomas Zimmermann 15125e78d59aSThomas Zimmermann if (ast_sil164_connector->i2c) 15135e78d59aSThomas Zimmermann ret = drm_connector_init_with_ddc(dev, connector, &ast_sil164_connector_funcs, 15145e78d59aSThomas Zimmermann DRM_MODE_CONNECTOR_DVII, 15155e78d59aSThomas Zimmermann &ast_sil164_connector->i2c->adapter); 15165e78d59aSThomas Zimmermann else 15175e78d59aSThomas Zimmermann ret = drm_connector_init(dev, connector, &ast_sil164_connector_funcs, 15185e78d59aSThomas Zimmermann DRM_MODE_CONNECTOR_DVII); 15195e78d59aSThomas Zimmermann if (ret) 15205e78d59aSThomas Zimmermann return ret; 15215e78d59aSThomas Zimmermann 15225e78d59aSThomas Zimmermann drm_connector_helper_add(connector, &ast_sil164_connector_helper_funcs); 15235e78d59aSThomas Zimmermann 15245e78d59aSThomas Zimmermann connector->interlace_allowed = 0; 15255e78d59aSThomas Zimmermann connector->doublescan_allowed = 0; 15265e78d59aSThomas Zimmermann 15275e78d59aSThomas Zimmermann connector->polled = DRM_CONNECTOR_POLL_CONNECT; 15285e78d59aSThomas Zimmermann 15295e78d59aSThomas Zimmermann return 0; 15305e78d59aSThomas Zimmermann } 15315e78d59aSThomas Zimmermann 153237b42cf9SThomas Zimmermann static int ast_sil164_output_init(struct ast_device *ast) 15335e78d59aSThomas Zimmermann { 15345e78d59aSThomas Zimmermann struct drm_device *dev = &ast->base; 15355e78d59aSThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 15365e78d59aSThomas Zimmermann struct drm_encoder *encoder = &ast->output.sil164.encoder; 15375e78d59aSThomas Zimmermann struct ast_sil164_connector *ast_sil164_connector = &ast->output.sil164.sil164_connector; 15385e78d59aSThomas Zimmermann struct drm_connector *connector = &ast_sil164_connector->base; 15395e78d59aSThomas Zimmermann int ret; 15405e78d59aSThomas Zimmermann 15415e78d59aSThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); 15425e78d59aSThomas Zimmermann if (ret) 15435e78d59aSThomas Zimmermann return ret; 15445e78d59aSThomas Zimmermann encoder->possible_crtcs = drm_crtc_mask(crtc); 15455e78d59aSThomas Zimmermann 15465e78d59aSThomas Zimmermann ret = ast_sil164_connector_init(dev, ast_sil164_connector); 15475e78d59aSThomas Zimmermann if (ret) 15485e78d59aSThomas Zimmermann return ret; 15495e78d59aSThomas Zimmermann 15505e78d59aSThomas Zimmermann ret = drm_connector_attach_encoder(connector, encoder); 15515e78d59aSThomas Zimmermann if (ret) 15525e78d59aSThomas Zimmermann return ret; 15535e78d59aSThomas Zimmermann 15545e78d59aSThomas Zimmermann return 0; 15555e78d59aSThomas Zimmermann } 15565e78d59aSThomas Zimmermann 15575e78d59aSThomas Zimmermann /* 15583ab26eddSThomas Zimmermann * DP501 Connector 15593ab26eddSThomas Zimmermann */ 15603ab26eddSThomas Zimmermann 15613ab26eddSThomas Zimmermann static int ast_dp501_connector_helper_get_modes(struct drm_connector *connector) 15623ab26eddSThomas Zimmermann { 15633ab26eddSThomas Zimmermann void *edid; 15643ab26eddSThomas Zimmermann bool succ; 15653ab26eddSThomas Zimmermann int count; 15663ab26eddSThomas Zimmermann 15673ab26eddSThomas Zimmermann edid = kmalloc(EDID_LENGTH, GFP_KERNEL); 15683ab26eddSThomas Zimmermann if (!edid) 15693ab26eddSThomas Zimmermann goto err_drm_connector_update_edid_property; 15703ab26eddSThomas Zimmermann 15713ab26eddSThomas Zimmermann succ = ast_dp501_read_edid(connector->dev, edid); 15723ab26eddSThomas Zimmermann if (!succ) 15733ab26eddSThomas Zimmermann goto err_kfree; 15743ab26eddSThomas Zimmermann 15753ab26eddSThomas Zimmermann drm_connector_update_edid_property(connector, edid); 15763ab26eddSThomas Zimmermann count = drm_add_edid_modes(connector, edid); 15773ab26eddSThomas Zimmermann kfree(edid); 15783ab26eddSThomas Zimmermann 15793ab26eddSThomas Zimmermann return count; 15803ab26eddSThomas Zimmermann 15813ab26eddSThomas Zimmermann err_kfree: 15823ab26eddSThomas Zimmermann kfree(edid); 15833ab26eddSThomas Zimmermann err_drm_connector_update_edid_property: 15843ab26eddSThomas Zimmermann drm_connector_update_edid_property(connector, NULL); 15853ab26eddSThomas Zimmermann return 0; 15863ab26eddSThomas Zimmermann } 15873ab26eddSThomas Zimmermann 15883ab26eddSThomas Zimmermann static const struct drm_connector_helper_funcs ast_dp501_connector_helper_funcs = { 15893ab26eddSThomas Zimmermann .get_modes = ast_dp501_connector_helper_get_modes, 15903ab26eddSThomas Zimmermann }; 15913ab26eddSThomas Zimmermann 15923ab26eddSThomas Zimmermann static const struct drm_connector_funcs ast_dp501_connector_funcs = { 15933ab26eddSThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 15943ab26eddSThomas Zimmermann .fill_modes = drm_helper_probe_single_connector_modes, 15953ab26eddSThomas Zimmermann .destroy = drm_connector_cleanup, 15963ab26eddSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 15973ab26eddSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 15983ab26eddSThomas Zimmermann }; 15993ab26eddSThomas Zimmermann 16003ab26eddSThomas Zimmermann static int ast_dp501_connector_init(struct drm_device *dev, struct drm_connector *connector) 16013ab26eddSThomas Zimmermann { 16023ab26eddSThomas Zimmermann int ret; 16033ab26eddSThomas Zimmermann 16043ab26eddSThomas Zimmermann ret = drm_connector_init(dev, connector, &ast_dp501_connector_funcs, 16053ab26eddSThomas Zimmermann DRM_MODE_CONNECTOR_DisplayPort); 16063ab26eddSThomas Zimmermann if (ret) 16073ab26eddSThomas Zimmermann return ret; 16083ab26eddSThomas Zimmermann 16093ab26eddSThomas Zimmermann drm_connector_helper_add(connector, &ast_dp501_connector_helper_funcs); 16103ab26eddSThomas Zimmermann 16113ab26eddSThomas Zimmermann connector->interlace_allowed = 0; 16123ab26eddSThomas Zimmermann connector->doublescan_allowed = 0; 16133ab26eddSThomas Zimmermann 16143ab26eddSThomas Zimmermann connector->polled = DRM_CONNECTOR_POLL_CONNECT; 16153ab26eddSThomas Zimmermann 16163ab26eddSThomas Zimmermann return 0; 16173ab26eddSThomas Zimmermann } 16183ab26eddSThomas Zimmermann 161937b42cf9SThomas Zimmermann static int ast_dp501_output_init(struct ast_device *ast) 16203ab26eddSThomas Zimmermann { 16213ab26eddSThomas Zimmermann struct drm_device *dev = &ast->base; 16223ab26eddSThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 16233ab26eddSThomas Zimmermann struct drm_encoder *encoder = &ast->output.dp501.encoder; 16243ab26eddSThomas Zimmermann struct drm_connector *connector = &ast->output.dp501.connector; 16253ab26eddSThomas Zimmermann int ret; 16263ab26eddSThomas Zimmermann 16273ab26eddSThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); 16283ab26eddSThomas Zimmermann if (ret) 16293ab26eddSThomas Zimmermann return ret; 16303ab26eddSThomas Zimmermann encoder->possible_crtcs = drm_crtc_mask(crtc); 16313ab26eddSThomas Zimmermann 16323ab26eddSThomas Zimmermann ret = ast_dp501_connector_init(dev, connector); 16333ab26eddSThomas Zimmermann if (ret) 16343ab26eddSThomas Zimmermann return ret; 16353ab26eddSThomas Zimmermann 16363ab26eddSThomas Zimmermann ret = drm_connector_attach_encoder(connector, encoder); 16373ab26eddSThomas Zimmermann if (ret) 16383ab26eddSThomas Zimmermann return ret; 1639312fec14SDave Airlie 1640312fec14SDave Airlie return 0; 16417f5ccd44SRashika } 1642312fec14SDave Airlie 1643e6949ff3SThomas Zimmermann /* 1644594e9c04SKuoHsiang Chou * ASPEED Display-Port Connector 1645594e9c04SKuoHsiang Chou */ 1646594e9c04SKuoHsiang Chou 1647594e9c04SKuoHsiang Chou static int ast_astdp_connector_helper_get_modes(struct drm_connector *connector) 1648594e9c04SKuoHsiang Chou { 1649594e9c04SKuoHsiang Chou void *edid; 1650594e9c04SKuoHsiang Chou 1651594e9c04SKuoHsiang Chou int succ; 1652594e9c04SKuoHsiang Chou int count; 1653594e9c04SKuoHsiang Chou 1654594e9c04SKuoHsiang Chou edid = kmalloc(EDID_LENGTH, GFP_KERNEL); 1655594e9c04SKuoHsiang Chou if (!edid) 1656594e9c04SKuoHsiang Chou goto err_drm_connector_update_edid_property; 1657594e9c04SKuoHsiang Chou 1658594e9c04SKuoHsiang Chou succ = ast_astdp_read_edid(connector->dev, edid); 1659594e9c04SKuoHsiang Chou if (succ < 0) 1660594e9c04SKuoHsiang Chou goto err_kfree; 1661594e9c04SKuoHsiang Chou 1662594e9c04SKuoHsiang Chou drm_connector_update_edid_property(connector, edid); 1663594e9c04SKuoHsiang Chou count = drm_add_edid_modes(connector, edid); 1664594e9c04SKuoHsiang Chou kfree(edid); 1665594e9c04SKuoHsiang Chou 1666594e9c04SKuoHsiang Chou return count; 1667594e9c04SKuoHsiang Chou 1668594e9c04SKuoHsiang Chou err_kfree: 1669594e9c04SKuoHsiang Chou kfree(edid); 1670594e9c04SKuoHsiang Chou err_drm_connector_update_edid_property: 1671594e9c04SKuoHsiang Chou drm_connector_update_edid_property(connector, NULL); 1672594e9c04SKuoHsiang Chou return 0; 1673594e9c04SKuoHsiang Chou } 1674594e9c04SKuoHsiang Chou 1675594e9c04SKuoHsiang Chou static const struct drm_connector_helper_funcs ast_astdp_connector_helper_funcs = { 1676594e9c04SKuoHsiang Chou .get_modes = ast_astdp_connector_helper_get_modes, 1677594e9c04SKuoHsiang Chou }; 1678594e9c04SKuoHsiang Chou 1679594e9c04SKuoHsiang Chou static const struct drm_connector_funcs ast_astdp_connector_funcs = { 1680594e9c04SKuoHsiang Chou .reset = drm_atomic_helper_connector_reset, 1681594e9c04SKuoHsiang Chou .fill_modes = drm_helper_probe_single_connector_modes, 1682594e9c04SKuoHsiang Chou .destroy = drm_connector_cleanup, 1683594e9c04SKuoHsiang Chou .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1684594e9c04SKuoHsiang Chou .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1685594e9c04SKuoHsiang Chou }; 1686594e9c04SKuoHsiang Chou 1687594e9c04SKuoHsiang Chou static int ast_astdp_connector_init(struct drm_device *dev, struct drm_connector *connector) 1688594e9c04SKuoHsiang Chou { 1689594e9c04SKuoHsiang Chou int ret; 1690594e9c04SKuoHsiang Chou 1691594e9c04SKuoHsiang Chou ret = drm_connector_init(dev, connector, &ast_astdp_connector_funcs, 1692594e9c04SKuoHsiang Chou DRM_MODE_CONNECTOR_DisplayPort); 1693594e9c04SKuoHsiang Chou if (ret) 1694594e9c04SKuoHsiang Chou return ret; 1695594e9c04SKuoHsiang Chou 1696594e9c04SKuoHsiang Chou drm_connector_helper_add(connector, &ast_astdp_connector_helper_funcs); 1697594e9c04SKuoHsiang Chou 1698594e9c04SKuoHsiang Chou connector->interlace_allowed = 0; 1699594e9c04SKuoHsiang Chou connector->doublescan_allowed = 0; 1700594e9c04SKuoHsiang Chou 1701594e9c04SKuoHsiang Chou connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1702594e9c04SKuoHsiang Chou 1703594e9c04SKuoHsiang Chou return 0; 1704594e9c04SKuoHsiang Chou } 1705594e9c04SKuoHsiang Chou 170637b42cf9SThomas Zimmermann static int ast_astdp_output_init(struct ast_device *ast) 1707594e9c04SKuoHsiang Chou { 1708594e9c04SKuoHsiang Chou struct drm_device *dev = &ast->base; 1709594e9c04SKuoHsiang Chou struct drm_crtc *crtc = &ast->crtc; 1710594e9c04SKuoHsiang Chou struct drm_encoder *encoder = &ast->output.astdp.encoder; 1711594e9c04SKuoHsiang Chou struct drm_connector *connector = &ast->output.astdp.connector; 1712594e9c04SKuoHsiang Chou int ret; 1713594e9c04SKuoHsiang Chou 1714594e9c04SKuoHsiang Chou ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); 1715594e9c04SKuoHsiang Chou if (ret) 1716594e9c04SKuoHsiang Chou return ret; 1717594e9c04SKuoHsiang Chou encoder->possible_crtcs = drm_crtc_mask(crtc); 1718594e9c04SKuoHsiang Chou 1719594e9c04SKuoHsiang Chou ret = ast_astdp_connector_init(dev, connector); 1720594e9c04SKuoHsiang Chou if (ret) 1721594e9c04SKuoHsiang Chou return ret; 1722594e9c04SKuoHsiang Chou 1723594e9c04SKuoHsiang Chou ret = drm_connector_attach_encoder(connector, encoder); 1724594e9c04SKuoHsiang Chou if (ret) 1725594e9c04SKuoHsiang Chou return ret; 1726594e9c04SKuoHsiang Chou 1727594e9c04SKuoHsiang Chou return 0; 1728594e9c04SKuoHsiang Chou } 1729594e9c04SKuoHsiang Chou 1730594e9c04SKuoHsiang Chou /* 1731e6949ff3SThomas Zimmermann * Mode config 1732e6949ff3SThomas Zimmermann */ 1733e6949ff3SThomas Zimmermann 17341fe18215SThomas Zimmermann static void ast_mode_config_helper_atomic_commit_tail(struct drm_atomic_state *state) 17351fe18215SThomas Zimmermann { 1736*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(state->dev); 17371fe18215SThomas Zimmermann 17381fe18215SThomas Zimmermann /* 17391fe18215SThomas Zimmermann * Concurrent operations could possibly trigger a call to 17401fe18215SThomas Zimmermann * drm_connector_helper_funcs.get_modes by trying to read the 17411fe18215SThomas Zimmermann * display modes. Protect access to I/O registers by acquiring 17421fe18215SThomas Zimmermann * the I/O-register lock. Released in atomic_flush(). 17431fe18215SThomas Zimmermann */ 17441fe18215SThomas Zimmermann mutex_lock(&ast->ioregs_lock); 17451fe18215SThomas Zimmermann drm_atomic_helper_commit_tail_rpm(state); 17461fe18215SThomas Zimmermann mutex_unlock(&ast->ioregs_lock); 17471fe18215SThomas Zimmermann } 17481fe18215SThomas Zimmermann 1749b20384d9SThomas Zimmermann static const struct drm_mode_config_helper_funcs ast_mode_config_helper_funcs = { 17501fe18215SThomas Zimmermann .atomic_commit_tail = ast_mode_config_helper_atomic_commit_tail, 17512f0ddd89SThomas Zimmermann }; 17522f0ddd89SThomas Zimmermann 1753f2fa5a99SThomas Zimmermann static enum drm_mode_status ast_mode_config_mode_valid(struct drm_device *dev, 1754f2fa5a99SThomas Zimmermann const struct drm_display_mode *mode) 1755f2fa5a99SThomas Zimmermann { 1756f2fa5a99SThomas Zimmermann static const unsigned long max_bpp = 4; /* DRM_FORMAT_XRGB8888 */ 1757*5abaa683SThomas Zimmermann struct ast_device *ast = to_ast_device(dev); 1758f2fa5a99SThomas Zimmermann unsigned long fbsize, fbpages, max_fbpages; 1759f2fa5a99SThomas Zimmermann 1760f2fa5a99SThomas Zimmermann max_fbpages = (ast->vram_fb_available) >> PAGE_SHIFT; 1761f2fa5a99SThomas Zimmermann 1762f2fa5a99SThomas Zimmermann fbsize = mode->hdisplay * mode->vdisplay * max_bpp; 1763f2fa5a99SThomas Zimmermann fbpages = DIV_ROUND_UP(fbsize, PAGE_SIZE); 1764f2fa5a99SThomas Zimmermann 1765f2fa5a99SThomas Zimmermann if (fbpages > max_fbpages) 1766f2fa5a99SThomas Zimmermann return MODE_MEM; 1767f2fa5a99SThomas Zimmermann 1768f2fa5a99SThomas Zimmermann return MODE_OK; 1769f2fa5a99SThomas Zimmermann } 1770f2fa5a99SThomas Zimmermann 1771e6949ff3SThomas Zimmermann static const struct drm_mode_config_funcs ast_mode_config_funcs = { 1772f2fa5a99SThomas Zimmermann .fb_create = drm_gem_fb_create_with_dirty, 1773f2fa5a99SThomas Zimmermann .mode_valid = ast_mode_config_mode_valid, 1774e6949ff3SThomas Zimmermann .atomic_check = drm_atomic_helper_check, 1775e6949ff3SThomas Zimmermann .atomic_commit = drm_atomic_helper_commit, 1776e6949ff3SThomas Zimmermann }; 1777e6949ff3SThomas Zimmermann 177837b42cf9SThomas Zimmermann int ast_mode_config_init(struct ast_device *ast) 1779312fec14SDave Airlie { 1780e0f5a738SThomas Zimmermann struct drm_device *dev = &ast->base; 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 1792e6949ff3SThomas Zimmermann if (ast->chip == AST2100 || 1793e6949ff3SThomas Zimmermann ast->chip == AST2200 || 1794e6949ff3SThomas Zimmermann ast->chip == AST2300 || 1795e6949ff3SThomas Zimmermann ast->chip == AST2400 || 1796594e9c04SKuoHsiang Chou ast->chip == AST2500 || 1797594e9c04SKuoHsiang Chou ast->chip == AST2600) { 1798e6949ff3SThomas Zimmermann dev->mode_config.max_width = 1920; 1799e6949ff3SThomas Zimmermann dev->mode_config.max_height = 2048; 1800e6949ff3SThomas Zimmermann } else { 1801e6949ff3SThomas Zimmermann dev->mode_config.max_width = 1600; 1802e6949ff3SThomas Zimmermann dev->mode_config.max_height = 1200; 1803e6949ff3SThomas Zimmermann } 1804e6949ff3SThomas Zimmermann 18052f0ddd89SThomas Zimmermann dev->mode_config.helper_private = &ast_mode_config_helper_funcs; 18062f0ddd89SThomas Zimmermann 1807616048afSThomas Zimmermann ret = ast_primary_plane_init(ast); 1808616048afSThomas Zimmermann if (ret) 180902f3bb75SThomas Zimmermann return ret; 1810616048afSThomas Zimmermann 1811616048afSThomas Zimmermann ret = ast_cursor_plane_init(ast); 1812616048afSThomas Zimmermann if (ret) 1813616048afSThomas Zimmermann return ret; 181402f3bb75SThomas Zimmermann 1815312fec14SDave Airlie ast_crtc_init(dev); 1816a59b0264SThomas Zimmermann 18177f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_NONE_BIT) { 1818a59b0264SThomas Zimmermann ret = ast_vga_output_init(ast); 1819a59b0264SThomas Zimmermann if (ret) 1820a59b0264SThomas Zimmermann return ret; 18217f35680aSThomas Zimmermann } 18227f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_SIL164_BIT) { 18237f35680aSThomas Zimmermann ret = ast_sil164_output_init(ast); 18247f35680aSThomas Zimmermann if (ret) 18257f35680aSThomas Zimmermann return ret; 18267f35680aSThomas Zimmermann } 18277f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_DP501_BIT) { 18287f35680aSThomas Zimmermann ret = ast_dp501_output_init(ast); 18297f35680aSThomas Zimmermann if (ret) 18307f35680aSThomas Zimmermann return ret; 18317f35680aSThomas Zimmermann } 18327f35680aSThomas Zimmermann if (ast->tx_chip_types & AST_TX_ASTDP_BIT) { 18337f35680aSThomas Zimmermann ret = ast_astdp_output_init(ast); 18347f35680aSThomas Zimmermann if (ret) 18357f35680aSThomas Zimmermann return ret; 18367f35680aSThomas Zimmermann } 1837a6ff807bSThomas Zimmermann 1838e6949ff3SThomas Zimmermann drm_mode_config_reset(dev); 1839e6949ff3SThomas Zimmermann 1840312fec14SDave Airlie return 0; 1841312fec14SDave Airlie } 1842