1312fec14SDave Airlie /* 2312fec14SDave Airlie * Copyright 2012 Red Hat Inc. 3312fec14SDave Airlie * Parts based on xf86-video-ast 4312fec14SDave Airlie * Copyright (c) 2005 ASPEED Technology Inc. 5312fec14SDave Airlie * 6312fec14SDave Airlie * Permission is hereby granted, free of charge, to any person obtaining a 7312fec14SDave Airlie * copy of this software and associated documentation files (the 8312fec14SDave Airlie * "Software"), to deal in the Software without restriction, including 9312fec14SDave Airlie * without limitation the rights to use, copy, modify, merge, publish, 10312fec14SDave Airlie * distribute, sub license, and/or sell copies of the Software, and to 11312fec14SDave Airlie * permit persons to whom the Software is furnished to do so, subject to 12312fec14SDave Airlie * the following conditions: 13312fec14SDave Airlie * 14312fec14SDave Airlie * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15312fec14SDave Airlie * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16312fec14SDave Airlie * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 17312fec14SDave Airlie * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 18312fec14SDave Airlie * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19312fec14SDave Airlie * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20312fec14SDave Airlie * USE OR OTHER DEALINGS IN THE SOFTWARE. 21312fec14SDave Airlie * 22312fec14SDave Airlie * The above copyright notice and this permission notice (including the 23312fec14SDave Airlie * next paragraph) shall be included in all copies or substantial portions 24312fec14SDave Airlie * of the Software. 25312fec14SDave Airlie * 26312fec14SDave Airlie */ 27312fec14SDave Airlie /* 28312fec14SDave Airlie * Authors: Dave Airlie <airlied@redhat.com> 29312fec14SDave Airlie */ 30fbbbd160SSam Ravnborg 31312fec14SDave Airlie #include <linux/export.h> 32fbbbd160SSam Ravnborg #include <linux/pci.h> 33fbbbd160SSam Ravnborg 34ae46a57dSThomas Zimmermann #include <drm/drm_atomic.h> 35a6ff807bSThomas Zimmermann #include <drm/drm_atomic_helper.h> 36a6ff807bSThomas Zimmermann #include <drm/drm_atomic_state_helper.h> 37760285e7SDavid Howells #include <drm/drm_crtc.h> 38760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 39fbbbd160SSam Ravnborg #include <drm/drm_fourcc.h> 40e6949ff3SThomas Zimmermann #include <drm/drm_gem_framebuffer_helper.h> 41fbbbd160SSam Ravnborg #include <drm/drm_gem_vram_helper.h> 423cb9ae4fSDaniel Vetter #include <drm/drm_plane_helper.h> 43fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 444220fdf0SThomas Zimmermann #include <drm/drm_simple_kms_helper.h> 45312fec14SDave Airlie 46fbbbd160SSam Ravnborg #include "ast_drv.h" 47312fec14SDave Airlie #include "ast_tables.h" 48312fec14SDave Airlie 49312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 50312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c); 5102f3bb75SThomas Zimmermann 52312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 53312fec14SDave Airlie u8 index, u8 red, u8 green, 54312fec14SDave Airlie u8 blue) 55312fec14SDave Airlie { 56312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 57312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 58312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 59312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 60312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 61312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 62312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 63312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 64312fec14SDave Airlie } 65312fec14SDave Airlie 66ae37025dSThomas Zimmermann static void ast_crtc_load_lut(struct ast_private *ast, struct drm_crtc *crtc) 67312fec14SDave Airlie { 683bffd962SPeter Rosin u16 *r, *g, *b; 69312fec14SDave Airlie int i; 70312fec14SDave Airlie 71312fec14SDave Airlie if (!crtc->enabled) 72312fec14SDave Airlie return; 73312fec14SDave Airlie 743bffd962SPeter Rosin r = crtc->gamma_store; 753bffd962SPeter Rosin g = r + crtc->gamma_size; 763bffd962SPeter Rosin b = g + crtc->gamma_size; 773bffd962SPeter Rosin 78312fec14SDave Airlie for (i = 0; i < 256; i++) 793bffd962SPeter Rosin ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); 80312fec14SDave Airlie } 81312fec14SDave Airlie 82ae37025dSThomas Zimmermann static bool ast_get_vbios_mode_info(const struct drm_format_info *format, 83259d14a7SThomas Zimmermann const struct drm_display_mode *mode, 84312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 85312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 86312fec14SDave Airlie { 87259d14a7SThomas Zimmermann u32 refresh_rate_index = 0, refresh_rate; 8822acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 89312fec14SDave Airlie u32 hborder, vborder; 9094d12b13SY.C. Chen bool check_sync; 91312fec14SDave Airlie 92ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 93312fec14SDave Airlie case 8: 94312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 95312fec14SDave Airlie break; 96312fec14SDave Airlie case 16: 97312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 98312fec14SDave Airlie break; 99312fec14SDave Airlie case 24: 100312fec14SDave Airlie case 32: 101312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 102312fec14SDave Airlie break; 103312fec14SDave Airlie default: 104312fec14SDave Airlie return false; 105312fec14SDave Airlie } 106312fec14SDave Airlie 107259d14a7SThomas Zimmermann switch (mode->crtc_hdisplay) { 108312fec14SDave Airlie case 640: 109312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 110312fec14SDave Airlie break; 111312fec14SDave Airlie case 800: 112312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 113312fec14SDave Airlie break; 114312fec14SDave Airlie case 1024: 115312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 116312fec14SDave Airlie break; 117312fec14SDave Airlie case 1280: 118259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 800) 119312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 120312fec14SDave Airlie else 121312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 122312fec14SDave Airlie break; 123f1f62f2cSDave Airlie case 1360: 124f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 125f1f62f2cSDave Airlie break; 126312fec14SDave Airlie case 1440: 127312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 128312fec14SDave Airlie break; 129312fec14SDave Airlie case 1600: 130259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 900) 131f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 132f1f62f2cSDave Airlie else 133312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 134312fec14SDave Airlie break; 135312fec14SDave Airlie case 1680: 136312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 137312fec14SDave Airlie break; 138312fec14SDave Airlie case 1920: 139259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 1080) 140312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 141312fec14SDave Airlie else 142312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 143312fec14SDave Airlie break; 144312fec14SDave Airlie default: 145312fec14SDave Airlie return false; 146312fec14SDave Airlie } 147312fec14SDave Airlie 148312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 14994d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 150259d14a7SThomas Zimmermann 151259d14a7SThomas Zimmermann while (1) { 15222acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 15394d12b13SY.C. Chen 15494d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 15594d12b13SY.C. Chen if ((check_sync) && 15694d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 15794d12b13SY.C. Chen (loop->flags & PVSync)) || 15894d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 15994d12b13SY.C. Chen (loop->flags & NVSync)) || 16094d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 16194d12b13SY.C. Chen (loop->flags & PHSync)) || 16294d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 16394d12b13SY.C. Chen (loop->flags & NHSync)))) { 16494d12b13SY.C. Chen loop++; 16594d12b13SY.C. Chen continue; 16694d12b13SY.C. Chen } 16794d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 16894d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 16994d12b13SY.C. Chen best = loop; 17094d12b13SY.C. Chen loop++; 17194d12b13SY.C. Chen } 17294d12b13SY.C. Chen if (best || !check_sync) 173312fec14SDave Airlie break; 17494d12b13SY.C. Chen check_sync = 0; 175259d14a7SThomas Zimmermann } 176259d14a7SThomas Zimmermann 17794d12b13SY.C. Chen if (best) 17894d12b13SY.C. Chen vbios_mode->enh_table = best; 179312fec14SDave Airlie 180312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 181312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 182312fec14SDave Airlie 183312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 184312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 185312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 186312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 187312fec14SDave Airlie vbios_mode->enh_table->hfp; 188312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 189312fec14SDave Airlie vbios_mode->enh_table->hfp + 190312fec14SDave Airlie vbios_mode->enh_table->hsync); 191312fec14SDave Airlie 192312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 193312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 194312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 195312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 196312fec14SDave Airlie vbios_mode->enh_table->vfp; 197312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 198312fec14SDave Airlie vbios_mode->enh_table->vfp + 199312fec14SDave Airlie vbios_mode->enh_table->vsync); 200312fec14SDave Airlie 201259d14a7SThomas Zimmermann return true; 202259d14a7SThomas Zimmermann } 203259d14a7SThomas Zimmermann 204ae37025dSThomas Zimmermann static void ast_set_vbios_color_reg(struct ast_private *ast, 205ae37025dSThomas Zimmermann const struct drm_format_info *format, 206259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 207259d14a7SThomas Zimmermann { 208259d14a7SThomas Zimmermann u32 color_index; 209259d14a7SThomas Zimmermann 210ae37025dSThomas Zimmermann switch (format->cpp[0]) { 211259d14a7SThomas Zimmermann case 1: 212259d14a7SThomas Zimmermann color_index = VGAModeIndex - 1; 213259d14a7SThomas Zimmermann break; 214259d14a7SThomas Zimmermann case 2: 215259d14a7SThomas Zimmermann color_index = HiCModeIndex; 216259d14a7SThomas Zimmermann break; 217259d14a7SThomas Zimmermann case 3: 218259d14a7SThomas Zimmermann case 4: 219259d14a7SThomas Zimmermann color_index = TrueCModeIndex; 220291ddeb6SColin Ian King break; 221259d14a7SThomas Zimmermann default: 222259d14a7SThomas Zimmermann return; 223259d14a7SThomas Zimmermann } 224259d14a7SThomas Zimmermann 225259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); 226259d14a7SThomas Zimmermann 227259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 228259d14a7SThomas Zimmermann 229259d14a7SThomas Zimmermann if (vbios_mode->enh_table->flags & NewModeInfo) { 230259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 231ae37025dSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8); 232259d14a7SThomas Zimmermann } 233259d14a7SThomas Zimmermann } 234259d14a7SThomas Zimmermann 235ae37025dSThomas Zimmermann static void ast_set_vbios_mode_reg(struct ast_private *ast, 236259d14a7SThomas Zimmermann const struct drm_display_mode *adjusted_mode, 237259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 238259d14a7SThomas Zimmermann { 239259d14a7SThomas Zimmermann u32 refresh_rate_index, mode_id; 240259d14a7SThomas Zimmermann 241312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 242312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 243312fec14SDave Airlie 244312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 245312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 246312fec14SDave Airlie 247f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 248259d14a7SThomas Zimmermann 249f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 250312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 251312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 252312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 253312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 254312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 255312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 256312fec14SDave Airlie } 257f1f62f2cSDave Airlie } 258312fec14SDave Airlie 259ae37025dSThomas Zimmermann static void ast_set_std_reg(struct ast_private *ast, 260ae37025dSThomas Zimmermann struct drm_display_mode *mode, 261312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 262312fec14SDave Airlie { 26322acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 264312fec14SDave Airlie u32 i; 265312fec14SDave Airlie u8 jreg; 266312fec14SDave Airlie 267312fec14SDave Airlie stdtable = vbios_mode->std_table; 268312fec14SDave Airlie 269312fec14SDave Airlie jreg = stdtable->misc; 270312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 271312fec14SDave Airlie 2722fbeec03SThomas Zimmermann /* Set SEQ; except Screen Disable field */ 273312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 2742fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]); 2752fbeec03SThomas Zimmermann for (i = 1; i < 4; i++) { 276312fec14SDave Airlie jreg = stdtable->seq[i]; 277312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 278312fec14SDave Airlie } 279312fec14SDave Airlie 280a21fdd7aSThomas Zimmermann /* Set CRTC; except base address and offset */ 281312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 282a21fdd7aSThomas Zimmermann for (i = 0; i < 12; i++) 283a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 284a21fdd7aSThomas Zimmermann for (i = 14; i < 19; i++) 285a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 286a21fdd7aSThomas Zimmermann for (i = 20; i < 25; i++) 287312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 288312fec14SDave Airlie 289312fec14SDave Airlie /* set AR */ 290312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 291312fec14SDave Airlie for (i = 0; i < 20; i++) { 292312fec14SDave Airlie jreg = stdtable->ar[i]; 293312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 294312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 295312fec14SDave Airlie } 296312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 297312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 298312fec14SDave Airlie 299312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 300312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 301312fec14SDave Airlie 302312fec14SDave Airlie /* Set GR */ 303312fec14SDave Airlie for (i = 0; i < 9; i++) 304312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 305312fec14SDave Airlie } 306312fec14SDave Airlie 307ae37025dSThomas Zimmermann static void ast_set_crtc_reg(struct ast_private *ast, 308ae37025dSThomas Zimmermann struct drm_display_mode *mode, 309312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 310312fec14SDave Airlie { 311312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 3129f93c8b3SY.C. Chen u16 temp, precache = 0; 3139f93c8b3SY.C. Chen 3149f93c8b3SY.C. Chen if ((ast->chip == AST2500) && 3159f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 3169f93c8b3SY.C. Chen precache = 40; 317312fec14SDave Airlie 318312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 319312fec14SDave Airlie 320312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 321312fec14SDave Airlie if (temp & 0x100) 322312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 323312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 324312fec14SDave Airlie 325312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 326312fec14SDave Airlie if (temp & 0x100) 327312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 328312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 329312fec14SDave Airlie 330312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 331312fec14SDave Airlie if (temp & 0x100) 332312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 333312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 334312fec14SDave Airlie 335312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 336312fec14SDave Airlie if (temp & 0x20) 337312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 338312fec14SDave Airlie if (temp & 0x40) 339312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 340312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 341312fec14SDave Airlie 3429f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 343312fec14SDave Airlie if (temp & 0x100) 344312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 345312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 346312fec14SDave Airlie 3479f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 348312fec14SDave Airlie if (temp & 0x20) 349312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 350312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 351312fec14SDave Airlie 352312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 353312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 354312fec14SDave Airlie 355312fec14SDave Airlie /* vert timings */ 356312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 357312fec14SDave Airlie if (temp & 0x100) 358312fec14SDave Airlie jreg07 |= 0x01; 359312fec14SDave Airlie if (temp & 0x200) 360312fec14SDave Airlie jreg07 |= 0x20; 361312fec14SDave Airlie if (temp & 0x400) 362312fec14SDave Airlie jregAE |= 0x01; 363312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 364312fec14SDave Airlie 365312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 366312fec14SDave Airlie if (temp & 0x100) 367312fec14SDave Airlie jreg07 |= 0x04; 368312fec14SDave Airlie if (temp & 0x200) 369312fec14SDave Airlie jreg07 |= 0x80; 370312fec14SDave Airlie if (temp & 0x400) 371312fec14SDave Airlie jregAE |= 0x08; 372312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 373312fec14SDave Airlie 374312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 375312fec14SDave Airlie if (temp & 0x10) 376312fec14SDave Airlie jregAE |= 0x20; 377312fec14SDave Airlie if (temp & 0x20) 378312fec14SDave Airlie jregAE |= 0x40; 379312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 380312fec14SDave Airlie 381312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 382312fec14SDave Airlie if (temp & 0x100) 383312fec14SDave Airlie jreg07 |= 0x02; 384312fec14SDave Airlie if (temp & 0x200) 385312fec14SDave Airlie jreg07 |= 0x40; 386312fec14SDave Airlie if (temp & 0x400) 387312fec14SDave Airlie jregAE |= 0x02; 388312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 389312fec14SDave Airlie 390312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 391312fec14SDave Airlie if (temp & 0x100) 392312fec14SDave Airlie jreg07 |= 0x08; 393312fec14SDave Airlie if (temp & 0x200) 394312fec14SDave Airlie jreg09 |= 0x20; 395312fec14SDave Airlie if (temp & 0x400) 396312fec14SDave Airlie jregAE |= 0x04; 397312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 398312fec14SDave Airlie 399312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 400312fec14SDave Airlie if (temp & 0x100) 401312fec14SDave Airlie jregAE |= 0x10; 402312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 403312fec14SDave Airlie 404312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 405312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 406312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 407312fec14SDave Airlie 4089f93c8b3SY.C. Chen if (precache) 4099f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 4109f93c8b3SY.C. Chen else 4119f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 4129f93c8b3SY.C. Chen 413312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 414312fec14SDave Airlie } 415312fec14SDave Airlie 416ae37025dSThomas Zimmermann static void ast_set_offset_reg(struct ast_private *ast, 417ae37025dSThomas Zimmermann struct drm_framebuffer *fb) 418312fec14SDave Airlie { 419312fec14SDave Airlie u16 offset; 420312fec14SDave Airlie 4217445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 422312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 423312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 424312fec14SDave Airlie } 425312fec14SDave Airlie 426ae37025dSThomas Zimmermann static void ast_set_dclk_reg(struct ast_private *ast, 427ae37025dSThomas Zimmermann struct drm_display_mode *mode, 428312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 429312fec14SDave Airlie { 43022acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 431312fec14SDave Airlie 4329f93c8b3SY.C. Chen if (ast->chip == AST2500) 4339f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4349f93c8b3SY.C. Chen else 435312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 436312fec14SDave Airlie 437312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 438312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 439312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4409f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4419f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 442312fec14SDave Airlie } 443312fec14SDave Airlie 444ae37025dSThomas Zimmermann static void ast_set_color_reg(struct ast_private *ast, 445ae37025dSThomas Zimmermann const struct drm_format_info *format) 446312fec14SDave Airlie { 447312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 448312fec14SDave Airlie 449ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 450312fec14SDave Airlie case 8: 451312fec14SDave Airlie jregA0 = 0x70; 452312fec14SDave Airlie jregA3 = 0x01; 453312fec14SDave Airlie jregA8 = 0x00; 454312fec14SDave Airlie break; 455312fec14SDave Airlie case 15: 456312fec14SDave Airlie case 16: 457312fec14SDave Airlie jregA0 = 0x70; 458312fec14SDave Airlie jregA3 = 0x04; 459312fec14SDave Airlie jregA8 = 0x02; 460312fec14SDave Airlie break; 461312fec14SDave Airlie case 32: 462312fec14SDave Airlie jregA0 = 0x70; 463312fec14SDave Airlie jregA3 = 0x08; 464312fec14SDave Airlie jregA8 = 0x02; 465312fec14SDave Airlie break; 466312fec14SDave Airlie } 467312fec14SDave Airlie 468312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 469312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 470312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 4710d45ad98SThomas Zimmermann } 4720d45ad98SThomas Zimmermann 473ae37025dSThomas Zimmermann static void ast_set_crtthd_reg(struct ast_private *ast) 4740d45ad98SThomas Zimmermann { 475312fec14SDave Airlie /* Set Threshold */ 4769f93c8b3SY.C. Chen if (ast->chip == AST2300 || ast->chip == AST2400 || 4779f93c8b3SY.C. Chen ast->chip == AST2500) { 478312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 479312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 480312fec14SDave Airlie } else if (ast->chip == AST2100 || 481312fec14SDave Airlie ast->chip == AST1100 || 482312fec14SDave Airlie ast->chip == AST2200 || 483312fec14SDave Airlie ast->chip == AST2150) { 484312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 485312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 486312fec14SDave Airlie } else { 487312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 488312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 489312fec14SDave Airlie } 490312fec14SDave Airlie } 491312fec14SDave Airlie 492ae37025dSThomas Zimmermann static void ast_set_sync_reg(struct ast_private *ast, 493ae37025dSThomas Zimmermann struct drm_display_mode *mode, 494312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 495312fec14SDave Airlie { 496312fec14SDave Airlie u8 jreg; 497312fec14SDave Airlie 498312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 49994d12b13SY.C. Chen jreg &= ~0xC0; 50094d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 50194d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 502312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 503312fec14SDave Airlie } 504312fec14SDave Airlie 505ae37025dSThomas Zimmermann static void ast_set_start_address_crt1(struct ast_private *ast, 506ae37025dSThomas Zimmermann unsigned offset) 507312fec14SDave Airlie { 508312fec14SDave Airlie u32 addr; 509312fec14SDave Airlie 510312fec14SDave Airlie addr = offset >> 2; 511312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 512312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 513312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 514312fec14SDave Airlie 515312fec14SDave Airlie } 516312fec14SDave Airlie 51739edb287SThomas Zimmermann static void ast_wait_for_vretrace(struct ast_private *ast) 51839edb287SThomas Zimmermann { 51939edb287SThomas Zimmermann unsigned long timeout = jiffies + HZ; 52039edb287SThomas Zimmermann u8 vgair1; 52139edb287SThomas Zimmermann 52239edb287SThomas Zimmermann do { 52339edb287SThomas Zimmermann vgair1 = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 52439edb287SThomas Zimmermann } while (!(vgair1 & AST_IO_VGAIR1_VREFRESH) && time_before(jiffies, timeout)); 52539edb287SThomas Zimmermann } 52639edb287SThomas Zimmermann 527a6ff807bSThomas Zimmermann /* 528a6ff807bSThomas Zimmermann * Primary plane 529a6ff807bSThomas Zimmermann */ 530a6ff807bSThomas Zimmermann 531a6ff807bSThomas Zimmermann static const uint32_t ast_primary_plane_formats[] = { 532a6ff807bSThomas Zimmermann DRM_FORMAT_XRGB8888, 533a6ff807bSThomas Zimmermann DRM_FORMAT_RGB565, 534a6ff807bSThomas Zimmermann DRM_FORMAT_C8, 535a6ff807bSThomas Zimmermann }; 536a6ff807bSThomas Zimmermann 537ae46a57dSThomas Zimmermann static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, 538a6ff807bSThomas Zimmermann struct drm_plane_state *state) 539a6ff807bSThomas Zimmermann { 540ae46a57dSThomas Zimmermann struct drm_crtc_state *crtc_state; 5413339fdf5SThomas Zimmermann struct ast_crtc_state *ast_crtc_state; 542ae46a57dSThomas Zimmermann int ret; 543ae46a57dSThomas Zimmermann 544ae46a57dSThomas Zimmermann if (!state->crtc) 545ae46a57dSThomas Zimmermann return 0; 546ae46a57dSThomas Zimmermann 547ae46a57dSThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); 548ae46a57dSThomas Zimmermann 549ae46a57dSThomas Zimmermann ret = drm_atomic_helper_check_plane_state(state, crtc_state, 550ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 551ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 552ae46a57dSThomas Zimmermann false, true); 553ae46a57dSThomas Zimmermann if (ret) 554ae46a57dSThomas Zimmermann return ret; 555ae46a57dSThomas Zimmermann 5563339fdf5SThomas Zimmermann if (!state->visible) 5573339fdf5SThomas Zimmermann return 0; 5583339fdf5SThomas Zimmermann 5593339fdf5SThomas Zimmermann ast_crtc_state = to_ast_crtc_state(crtc_state); 5603339fdf5SThomas Zimmermann 5613339fdf5SThomas Zimmermann ast_crtc_state->format = state->fb->format; 5623339fdf5SThomas Zimmermann 563a6ff807bSThomas Zimmermann return 0; 564a6ff807bSThomas Zimmermann } 565a6ff807bSThomas Zimmermann 5663a53230eSSamuel Zou static void 5673a53230eSSamuel Zou ast_primary_plane_helper_atomic_update(struct drm_plane *plane, 568a6ff807bSThomas Zimmermann struct drm_plane_state *old_state) 569a6ff807bSThomas Zimmermann { 5701a19b4cbSThomas Zimmermann struct drm_device *dev = plane->dev; 5711a19b4cbSThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 572a6ff807bSThomas Zimmermann struct drm_plane_state *state = plane->state; 573a6ff807bSThomas Zimmermann struct drm_gem_vram_object *gbo; 574a6ff807bSThomas Zimmermann s64 gpu_addr; 5755638c82cSThomas Zimmermann struct drm_framebuffer *fb = state->fb; 5765638c82cSThomas Zimmermann struct drm_framebuffer *old_fb = old_state->fb; 577a6ff807bSThomas Zimmermann 5785638c82cSThomas Zimmermann if (!old_fb || (fb->format != old_fb->format)) { 5795638c82cSThomas Zimmermann struct drm_crtc_state *crtc_state = state->crtc->state; 5805638c82cSThomas Zimmermann struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 5815638c82cSThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info; 5825638c82cSThomas Zimmermann 5835638c82cSThomas Zimmermann ast_set_color_reg(ast, fb->format); 5845638c82cSThomas Zimmermann ast_set_vbios_color_reg(ast, fb->format, vbios_mode_info); 5855638c82cSThomas Zimmermann } 5865638c82cSThomas Zimmermann 5875638c82cSThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 588a6ff807bSThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 5891a19b4cbSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, gpu_addr < 0)) 590a6ff807bSThomas Zimmermann return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ 591a6ff807bSThomas Zimmermann 5925638c82cSThomas Zimmermann ast_set_offset_reg(ast, fb); 593ae37025dSThomas Zimmermann ast_set_start_address_crt1(ast, (u32)gpu_addr); 5942fbeec03SThomas Zimmermann 5952fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); 5962fbeec03SThomas Zimmermann } 5972fbeec03SThomas Zimmermann 5982fbeec03SThomas Zimmermann static void 5992fbeec03SThomas Zimmermann ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, 6002fbeec03SThomas Zimmermann struct drm_plane_state *old_state) 6012fbeec03SThomas Zimmermann { 602fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 6032fbeec03SThomas Zimmermann 6042fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 605a6ff807bSThomas Zimmermann } 606a6ff807bSThomas Zimmermann 607a6ff807bSThomas Zimmermann static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { 608a6ff807bSThomas Zimmermann .prepare_fb = drm_gem_vram_plane_helper_prepare_fb, 609a6ff807bSThomas Zimmermann .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb, 610a6ff807bSThomas Zimmermann .atomic_check = ast_primary_plane_helper_atomic_check, 611a6ff807bSThomas Zimmermann .atomic_update = ast_primary_plane_helper_atomic_update, 6122fbeec03SThomas Zimmermann .atomic_disable = ast_primary_plane_helper_atomic_disable, 613a6ff807bSThomas Zimmermann }; 614a6ff807bSThomas Zimmermann 615a6ff807bSThomas Zimmermann static const struct drm_plane_funcs ast_primary_plane_funcs = { 616a6ff807bSThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 617a6ff807bSThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 618a6ff807bSThomas Zimmermann .destroy = drm_plane_cleanup, 619a6ff807bSThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 620a6ff807bSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 621a6ff807bSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 622a6ff807bSThomas Zimmermann }; 623a6ff807bSThomas Zimmermann 624616048afSThomas Zimmermann static int ast_primary_plane_init(struct ast_private *ast) 625616048afSThomas Zimmermann { 626616048afSThomas Zimmermann struct drm_device *dev = &ast->base; 627616048afSThomas Zimmermann struct drm_plane *primary_plane = &ast->primary_plane; 628616048afSThomas Zimmermann int ret; 629616048afSThomas Zimmermann 630616048afSThomas Zimmermann ret = drm_universal_plane_init(dev, primary_plane, 0x01, 631616048afSThomas Zimmermann &ast_primary_plane_funcs, 632616048afSThomas Zimmermann ast_primary_plane_formats, 633616048afSThomas Zimmermann ARRAY_SIZE(ast_primary_plane_formats), 634616048afSThomas Zimmermann NULL, DRM_PLANE_TYPE_PRIMARY, NULL); 635616048afSThomas Zimmermann if (ret) { 636616048afSThomas Zimmermann drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret); 637616048afSThomas Zimmermann return ret; 638616048afSThomas Zimmermann } 639616048afSThomas Zimmermann drm_plane_helper_add(primary_plane, &ast_primary_plane_helper_funcs); 640616048afSThomas Zimmermann 641616048afSThomas Zimmermann return 0; 642616048afSThomas Zimmermann } 643616048afSThomas Zimmermann 644a6ff807bSThomas Zimmermann /* 64502f3bb75SThomas Zimmermann * Cursor plane 64602f3bb75SThomas Zimmermann */ 64702f3bb75SThomas Zimmermann 648*718c2286SThomas Zimmermann static void ast_update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height) 649*718c2286SThomas Zimmermann { 650*718c2286SThomas Zimmermann union { 651*718c2286SThomas Zimmermann u32 ul; 652*718c2286SThomas Zimmermann u8 b[4]; 653*718c2286SThomas Zimmermann } srcdata32[2], data32; 654*718c2286SThomas Zimmermann union { 655*718c2286SThomas Zimmermann u16 us; 656*718c2286SThomas Zimmermann u8 b[2]; 657*718c2286SThomas Zimmermann } data16; 658*718c2286SThomas Zimmermann u32 csum = 0; 659*718c2286SThomas Zimmermann s32 alpha_dst_delta, last_alpha_dst_delta; 660*718c2286SThomas Zimmermann u8 __iomem *dstxor; 661*718c2286SThomas Zimmermann const u8 *srcxor; 662*718c2286SThomas Zimmermann int i, j; 663*718c2286SThomas Zimmermann u32 per_pixel_copy, two_pixel_copy; 664*718c2286SThomas Zimmermann 665*718c2286SThomas Zimmermann alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 666*718c2286SThomas Zimmermann last_alpha_dst_delta = alpha_dst_delta - (width << 1); 667*718c2286SThomas Zimmermann 668*718c2286SThomas Zimmermann srcxor = src; 669*718c2286SThomas Zimmermann dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 670*718c2286SThomas Zimmermann per_pixel_copy = width & 1; 671*718c2286SThomas Zimmermann two_pixel_copy = width >> 1; 672*718c2286SThomas Zimmermann 673*718c2286SThomas Zimmermann for (j = 0; j < height; j++) { 674*718c2286SThomas Zimmermann for (i = 0; i < two_pixel_copy; i++) { 675*718c2286SThomas Zimmermann srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 676*718c2286SThomas Zimmermann srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 677*718c2286SThomas Zimmermann data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 678*718c2286SThomas Zimmermann data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 679*718c2286SThomas Zimmermann data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 680*718c2286SThomas Zimmermann data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 681*718c2286SThomas Zimmermann 682*718c2286SThomas Zimmermann writel(data32.ul, dstxor); 683*718c2286SThomas Zimmermann csum += data32.ul; 684*718c2286SThomas Zimmermann 685*718c2286SThomas Zimmermann dstxor += 4; 686*718c2286SThomas Zimmermann srcxor += 8; 687*718c2286SThomas Zimmermann 688*718c2286SThomas Zimmermann } 689*718c2286SThomas Zimmermann 690*718c2286SThomas Zimmermann for (i = 0; i < per_pixel_copy; i++) { 691*718c2286SThomas Zimmermann srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 692*718c2286SThomas Zimmermann data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 693*718c2286SThomas Zimmermann data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 694*718c2286SThomas Zimmermann writew(data16.us, dstxor); 695*718c2286SThomas Zimmermann csum += (u32)data16.us; 696*718c2286SThomas Zimmermann 697*718c2286SThomas Zimmermann dstxor += 2; 698*718c2286SThomas Zimmermann srcxor += 4; 699*718c2286SThomas Zimmermann } 700*718c2286SThomas Zimmermann dstxor += last_alpha_dst_delta; 701*718c2286SThomas Zimmermann } 702*718c2286SThomas Zimmermann 703*718c2286SThomas Zimmermann /* write checksum + signature */ 704*718c2286SThomas Zimmermann dst += AST_HWC_SIZE; 705*718c2286SThomas Zimmermann writel(csum, dst); 706*718c2286SThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 707*718c2286SThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 708*718c2286SThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 709*718c2286SThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 710*718c2286SThomas Zimmermann } 711*718c2286SThomas Zimmermann 712*718c2286SThomas Zimmermann static void ast_set_cursor_base(struct ast_private *ast, u64 address) 713*718c2286SThomas Zimmermann { 714*718c2286SThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 715*718c2286SThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 716*718c2286SThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 717*718c2286SThomas Zimmermann 718*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 719*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 720*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 721*718c2286SThomas Zimmermann } 722*718c2286SThomas Zimmermann 723*718c2286SThomas Zimmermann static void ast_set_cursor_location(struct ast_private *ast, u16 x, u16 y, 724*718c2286SThomas Zimmermann u8 x_offset, u8 y_offset) 725*718c2286SThomas Zimmermann { 726*718c2286SThomas Zimmermann u8 x0 = (x & 0x00ff); 727*718c2286SThomas Zimmermann u8 x1 = (x & 0x0f00) >> 8; 728*718c2286SThomas Zimmermann u8 y0 = (y & 0x00ff); 729*718c2286SThomas Zimmermann u8 y1 = (y & 0x0700) >> 8; 730*718c2286SThomas Zimmermann 731*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 732*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 733*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0); 734*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1); 735*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0); 736*718c2286SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1); 737*718c2286SThomas Zimmermann } 738*718c2286SThomas Zimmermann 739*718c2286SThomas Zimmermann static void ast_set_cursor_enabled(struct ast_private *ast, bool enabled) 740*718c2286SThomas Zimmermann { 741*718c2286SThomas Zimmermann static const u8 mask = (u8)~(AST_IO_VGACRCB_HWC_16BPP | 742*718c2286SThomas Zimmermann AST_IO_VGACRCB_HWC_ENABLED); 743*718c2286SThomas Zimmermann 744*718c2286SThomas Zimmermann u8 vgacrcb = AST_IO_VGACRCB_HWC_16BPP; 745*718c2286SThomas Zimmermann 746*718c2286SThomas Zimmermann if (enabled) 747*718c2286SThomas Zimmermann vgacrcb |= AST_IO_VGACRCB_HWC_ENABLED; 748*718c2286SThomas Zimmermann 749*718c2286SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, mask, vgacrcb); 750*718c2286SThomas Zimmermann } 751*718c2286SThomas Zimmermann 75202f3bb75SThomas Zimmermann static const uint32_t ast_cursor_plane_formats[] = { 75302f3bb75SThomas Zimmermann DRM_FORMAT_ARGB8888, 75402f3bb75SThomas Zimmermann }; 75502f3bb75SThomas Zimmermann 75602f3bb75SThomas Zimmermann static int 75702f3bb75SThomas Zimmermann ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane, 75802f3bb75SThomas Zimmermann struct drm_plane_state *new_state) 75902f3bb75SThomas Zimmermann { 76002f3bb75SThomas Zimmermann struct drm_framebuffer *fb = new_state->fb; 761*718c2286SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 762*718c2286SThomas Zimmermann struct drm_gem_vram_object *dst_gbo = ast->cursor.gbo[ast->cursor.next_index]; 763*718c2286SThomas Zimmermann struct drm_gem_vram_object *src_gbo; 764*718c2286SThomas Zimmermann struct dma_buf_map src_map, dst_map; 765*718c2286SThomas Zimmermann void __iomem *dst; 766*718c2286SThomas Zimmermann void *src; 76702f3bb75SThomas Zimmermann int ret; 76802f3bb75SThomas Zimmermann 769*718c2286SThomas Zimmermann if (!fb) 77002f3bb75SThomas Zimmermann return 0; 77102f3bb75SThomas Zimmermann 772*718c2286SThomas Zimmermann src_gbo = drm_gem_vram_of_gem(fb->obj[0]); 77302f3bb75SThomas Zimmermann 774*718c2286SThomas Zimmermann ret = drm_gem_vram_vmap(src_gbo, &src_map); 77502f3bb75SThomas Zimmermann if (ret) 776dd004b9aSThomas Zimmermann return ret; 777*718c2286SThomas Zimmermann src = src_map.vaddr; /* TODO: Use mapping abstraction properly */ 778*718c2286SThomas Zimmermann 779*718c2286SThomas Zimmermann ret = drm_gem_vram_vmap(dst_gbo, &dst_map); 780*718c2286SThomas Zimmermann if (ret) 781*718c2286SThomas Zimmermann goto err_drm_gem_vram_vunmap; 782*718c2286SThomas Zimmermann dst = dst_map.vaddr_iomem; /* TODO: Use mapping abstraction properly */ 783*718c2286SThomas Zimmermann 784*718c2286SThomas Zimmermann /* do data transfer to cursor BO */ 785*718c2286SThomas Zimmermann ast_update_cursor_image(dst, src, fb->width, fb->height); 786*718c2286SThomas Zimmermann 787*718c2286SThomas Zimmermann drm_gem_vram_vunmap(dst_gbo, &dst_map); 788*718c2286SThomas Zimmermann drm_gem_vram_vunmap(src_gbo, &src_map); 78902f3bb75SThomas Zimmermann 79002f3bb75SThomas Zimmermann return 0; 791*718c2286SThomas Zimmermann 792*718c2286SThomas Zimmermann err_drm_gem_vram_vunmap: 793*718c2286SThomas Zimmermann drm_gem_vram_vunmap(src_gbo, &src_map); 794*718c2286SThomas Zimmermann return ret; 79502f3bb75SThomas Zimmermann } 79602f3bb75SThomas Zimmermann 79702f3bb75SThomas Zimmermann static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, 79802f3bb75SThomas Zimmermann struct drm_plane_state *state) 79902f3bb75SThomas Zimmermann { 800ae46a57dSThomas Zimmermann struct drm_framebuffer *fb = state->fb; 801ae46a57dSThomas Zimmermann struct drm_crtc_state *crtc_state; 802ae46a57dSThomas Zimmermann int ret; 803ae46a57dSThomas Zimmermann 804ae46a57dSThomas Zimmermann if (!state->crtc) 805ae46a57dSThomas Zimmermann return 0; 806ae46a57dSThomas Zimmermann 807ae46a57dSThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); 808ae46a57dSThomas Zimmermann 809ae46a57dSThomas Zimmermann ret = drm_atomic_helper_check_plane_state(state, crtc_state, 810ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 811ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 812ae46a57dSThomas Zimmermann true, true); 813ae46a57dSThomas Zimmermann if (ret) 814ae46a57dSThomas Zimmermann return ret; 815ae46a57dSThomas Zimmermann 816ae46a57dSThomas Zimmermann if (!state->visible) 817ae46a57dSThomas Zimmermann return 0; 818ae46a57dSThomas Zimmermann 819ae46a57dSThomas Zimmermann if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) 820ae46a57dSThomas Zimmermann return -EINVAL; 821ae46a57dSThomas Zimmermann 82202f3bb75SThomas Zimmermann return 0; 82302f3bb75SThomas Zimmermann } 82402f3bb75SThomas Zimmermann 82502f3bb75SThomas Zimmermann static void 82602f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, 82702f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 82802f3bb75SThomas Zimmermann { 82902f3bb75SThomas Zimmermann struct drm_plane_state *state = plane->state; 83002f3bb75SThomas Zimmermann struct drm_framebuffer *fb = state->fb; 831365c0e70SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 832*718c2286SThomas Zimmermann struct drm_device *dev = &ast->base; 833*718c2286SThomas Zimmermann struct drm_gem_vram_object *gbo = ast->cursor.gbo[ast->cursor.next_index]; 83481039adcSThomas Zimmermann unsigned int offset_x, offset_y; 835*718c2286SThomas Zimmermann s64 off; 836*718c2286SThomas Zimmermann struct dma_buf_map map; 837*718c2286SThomas Zimmermann u16 x, y; 838*718c2286SThomas Zimmermann u8 x_offset, y_offset; 839*718c2286SThomas Zimmermann u8 __iomem *dst; 840*718c2286SThomas Zimmermann u8 __iomem *sig; 841*718c2286SThomas Zimmermann int ret; 842*718c2286SThomas Zimmermann 843*718c2286SThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 844*718c2286SThomas Zimmermann 845*718c2286SThomas Zimmermann if (state->fb != old_state->fb) { 846*718c2286SThomas Zimmermann /* A new cursor image was installed. */ 847*718c2286SThomas Zimmermann off = drm_gem_vram_offset(gbo); 848*718c2286SThomas Zimmermann if (drm_WARN_ON_ONCE(dev, off < 0)) 849*718c2286SThomas Zimmermann return; /* Bug: we didn't pin the cursor HW BO to VRAM. */ 850*718c2286SThomas Zimmermann ast_set_cursor_base(ast, off); 851*718c2286SThomas Zimmermann 852*718c2286SThomas Zimmermann ++ast->cursor.next_index; 853*718c2286SThomas Zimmermann ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); 854*718c2286SThomas Zimmermann } 855*718c2286SThomas Zimmermann 856*718c2286SThomas Zimmermann ret = drm_gem_vram_vmap(gbo, &map); 857*718c2286SThomas Zimmermann if (drm_WARN_ONCE(dev, ret, "drm_gem_vram_vmap() failed, ret=%d\n", ret)) 858*718c2286SThomas Zimmermann return; 859*718c2286SThomas Zimmermann dst = map.vaddr_iomem; /* TODO: Use mapping abstraction properly */ 860*718c2286SThomas Zimmermann 861*718c2286SThomas Zimmermann sig = dst + AST_HWC_SIZE; 862*718c2286SThomas Zimmermann writel(state->crtc_x, sig + AST_HWC_SIGNATURE_X); 863*718c2286SThomas Zimmermann writel(state->crtc_y, sig + AST_HWC_SIGNATURE_Y); 864*718c2286SThomas Zimmermann 865*718c2286SThomas Zimmermann drm_gem_vram_vunmap(gbo, &map); 86602f3bb75SThomas Zimmermann 86781039adcSThomas Zimmermann offset_x = AST_MAX_HWC_WIDTH - fb->width; 868ee4a92d6SThomas Zimmermann offset_y = AST_MAX_HWC_HEIGHT - fb->height; 86902f3bb75SThomas Zimmermann 870*718c2286SThomas Zimmermann if (state->crtc_x < 0) { 871*718c2286SThomas Zimmermann x_offset = (-state->crtc_x) + offset_x; 872*718c2286SThomas Zimmermann x = 0; 873*718c2286SThomas Zimmermann } else { 874*718c2286SThomas Zimmermann x_offset = offset_x; 875*718c2286SThomas Zimmermann x = state->crtc_x; 876*718c2286SThomas Zimmermann } 877*718c2286SThomas Zimmermann if (state->crtc_y < 0) { 878*718c2286SThomas Zimmermann y_offset = (-state->crtc_y) + offset_y; 879*718c2286SThomas Zimmermann y = 0; 880*718c2286SThomas Zimmermann } else { 881*718c2286SThomas Zimmermann y_offset = offset_y; 882*718c2286SThomas Zimmermann y = state->crtc_y; 88302f3bb75SThomas Zimmermann } 88402f3bb75SThomas Zimmermann 885*718c2286SThomas Zimmermann ast_set_cursor_location(ast, x, y, x_offset, y_offset); 886*718c2286SThomas Zimmermann 887*718c2286SThomas Zimmermann /* dummy write to fire HWC */ 888*718c2286SThomas Zimmermann ast_set_cursor_enabled(ast, true); 88902f3bb75SThomas Zimmermann } 89002f3bb75SThomas Zimmermann 89102f3bb75SThomas Zimmermann static void 89202f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, 89302f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 89402f3bb75SThomas Zimmermann { 895fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 89602f3bb75SThomas Zimmermann 897*718c2286SThomas Zimmermann ast_set_cursor_enabled(ast, false); 89802f3bb75SThomas Zimmermann } 89902f3bb75SThomas Zimmermann 90002f3bb75SThomas Zimmermann static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { 90102f3bb75SThomas Zimmermann .prepare_fb = ast_cursor_plane_helper_prepare_fb, 90202f3bb75SThomas Zimmermann .cleanup_fb = NULL, /* not required for cursor plane */ 90302f3bb75SThomas Zimmermann .atomic_check = ast_cursor_plane_helper_atomic_check, 90402f3bb75SThomas Zimmermann .atomic_update = ast_cursor_plane_helper_atomic_update, 90502f3bb75SThomas Zimmermann .atomic_disable = ast_cursor_plane_helper_atomic_disable, 90602f3bb75SThomas Zimmermann }; 90702f3bb75SThomas Zimmermann 90822b6591fSThomas Zimmermann static void ast_cursor_plane_destroy(struct drm_plane *plane) 90922b6591fSThomas Zimmermann { 91022b6591fSThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 91122b6591fSThomas Zimmermann size_t i; 91222b6591fSThomas Zimmermann struct drm_gem_vram_object *gbo; 91322b6591fSThomas Zimmermann 91422b6591fSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 91522b6591fSThomas Zimmermann gbo = ast->cursor.gbo[i]; 91622b6591fSThomas Zimmermann drm_gem_vram_unpin(gbo); 91722b6591fSThomas Zimmermann drm_gem_vram_put(gbo); 91822b6591fSThomas Zimmermann } 91922b6591fSThomas Zimmermann 92022b6591fSThomas Zimmermann drm_plane_cleanup(plane); 92122b6591fSThomas Zimmermann } 92222b6591fSThomas Zimmermann 92302f3bb75SThomas Zimmermann static const struct drm_plane_funcs ast_cursor_plane_funcs = { 92402f3bb75SThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 92502f3bb75SThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 92622b6591fSThomas Zimmermann .destroy = ast_cursor_plane_destroy, 92702f3bb75SThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 92802f3bb75SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 92902f3bb75SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 93002f3bb75SThomas Zimmermann }; 93102f3bb75SThomas Zimmermann 932616048afSThomas Zimmermann static int ast_cursor_plane_init(struct ast_private *ast) 933616048afSThomas Zimmermann { 934616048afSThomas Zimmermann struct drm_device *dev = &ast->base; 935616048afSThomas Zimmermann struct drm_plane *cursor_plane = &ast->cursor_plane; 93622b6591fSThomas Zimmermann size_t size, i; 93722b6591fSThomas Zimmermann struct drm_gem_vram_object *gbo; 938616048afSThomas Zimmermann int ret; 939616048afSThomas Zimmermann 94022b6591fSThomas Zimmermann /* 94122b6591fSThomas Zimmermann * Allocate backing storage for cursors. The BOs are permanently 94222b6591fSThomas Zimmermann * pinned to the top end of the VRAM. 94322b6591fSThomas Zimmermann */ 94422b6591fSThomas Zimmermann 94522b6591fSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 94622b6591fSThomas Zimmermann 94722b6591fSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 94822b6591fSThomas Zimmermann gbo = drm_gem_vram_create(dev, size, 0); 94922b6591fSThomas Zimmermann if (IS_ERR(gbo)) { 95022b6591fSThomas Zimmermann ret = PTR_ERR(gbo); 95122b6591fSThomas Zimmermann goto err_hwc; 95222b6591fSThomas Zimmermann } 95322b6591fSThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | 95422b6591fSThomas Zimmermann DRM_GEM_VRAM_PL_FLAG_TOPDOWN); 95522b6591fSThomas Zimmermann if (ret) 95622b6591fSThomas Zimmermann goto err_drm_gem_vram_put; 95722b6591fSThomas Zimmermann ast->cursor.gbo[i] = gbo; 95822b6591fSThomas Zimmermann } 95922b6591fSThomas Zimmermann 96022b6591fSThomas Zimmermann /* 96122b6591fSThomas Zimmermann * Create the cursor plane. The plane's destroy callback will release 96222b6591fSThomas Zimmermann * the backing storages' BO memory. 96322b6591fSThomas Zimmermann */ 96422b6591fSThomas Zimmermann 965616048afSThomas Zimmermann ret = drm_universal_plane_init(dev, cursor_plane, 0x01, 966616048afSThomas Zimmermann &ast_cursor_plane_funcs, 967616048afSThomas Zimmermann ast_cursor_plane_formats, 968616048afSThomas Zimmermann ARRAY_SIZE(ast_cursor_plane_formats), 969616048afSThomas Zimmermann NULL, DRM_PLANE_TYPE_CURSOR, NULL); 970616048afSThomas Zimmermann if (ret) { 97122b6591fSThomas Zimmermann drm_err(dev, "drm_universal_plane failed(): %d\n", ret); 97222b6591fSThomas Zimmermann goto err_hwc; 973616048afSThomas Zimmermann } 974616048afSThomas Zimmermann drm_plane_helper_add(cursor_plane, &ast_cursor_plane_helper_funcs); 975616048afSThomas Zimmermann 976616048afSThomas Zimmermann return 0; 97722b6591fSThomas Zimmermann 97822b6591fSThomas Zimmermann err_hwc: 97922b6591fSThomas Zimmermann while (i) { 98022b6591fSThomas Zimmermann --i; 98122b6591fSThomas Zimmermann gbo = ast->cursor.gbo[i]; 98222b6591fSThomas Zimmermann drm_gem_vram_unpin(gbo); 98322b6591fSThomas Zimmermann err_drm_gem_vram_put: 98422b6591fSThomas Zimmermann drm_gem_vram_put(gbo); 98522b6591fSThomas Zimmermann } 98622b6591fSThomas Zimmermann return ret; 987616048afSThomas Zimmermann } 988616048afSThomas Zimmermann 98902f3bb75SThomas Zimmermann /* 990a6ff807bSThomas Zimmermann * CRTC 991a6ff807bSThomas Zimmermann */ 992a6ff807bSThomas Zimmermann 993312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 994312fec14SDave Airlie { 995fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 996312fec14SDave Airlie 9972fbeec03SThomas Zimmermann /* TODO: Maybe control display signal generation with 9982fbeec03SThomas Zimmermann * Sync Enable (bit CR17.7). 9992fbeec03SThomas Zimmermann */ 1000312fec14SDave Airlie switch (mode) { 1001312fec14SDave Airlie case DRM_MODE_DPMS_ON: 1002312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 1003312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 100483c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 100583c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 1006312fec14SDave Airlie break; 1007312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 100883c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 100983c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 1010312fec14SDave Airlie break; 1011312fec14SDave Airlie } 1012312fec14SDave Airlie } 1013312fec14SDave Airlie 1014b48e1b6fSThomas Zimmermann static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, 101529b77ad7SMaxime Ripard struct drm_atomic_state *state) 1016b48e1b6fSThomas Zimmermann { 101729b77ad7SMaxime Ripard struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, 101829b77ad7SMaxime Ripard crtc); 10195638c82cSThomas Zimmermann struct drm_device *dev = crtc->dev; 1020e7d70cd4SThomas Zimmermann struct ast_crtc_state *ast_state; 10213339fdf5SThomas Zimmermann const struct drm_format_info *format; 1022b48e1b6fSThomas Zimmermann bool succ; 1023b48e1b6fSThomas Zimmermann 102429b77ad7SMaxime Ripard if (!crtc_state->enable) 1025d6ddbd5cSThomas Zimmermann return 0; /* no mode checks if CRTC is being disabled */ 1026d6ddbd5cSThomas Zimmermann 102729b77ad7SMaxime Ripard ast_state = to_ast_crtc_state(crtc_state); 1028b48e1b6fSThomas Zimmermann 10293339fdf5SThomas Zimmermann format = ast_state->format; 10305638c82cSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, !format)) 10315638c82cSThomas Zimmermann return -EINVAL; /* BUG: We didn't set format in primary check(). */ 1032e7d70cd4SThomas Zimmermann 103329b77ad7SMaxime Ripard succ = ast_get_vbios_mode_info(format, &crtc_state->mode, 103429b77ad7SMaxime Ripard &crtc_state->adjusted_mode, 1035e7d70cd4SThomas Zimmermann &ast_state->vbios_mode_info); 1036b48e1b6fSThomas Zimmermann if (!succ) 1037b48e1b6fSThomas Zimmermann return -EINVAL; 1038b48e1b6fSThomas Zimmermann 1039b48e1b6fSThomas Zimmermann return 0; 1040b48e1b6fSThomas Zimmermann } 1041b48e1b6fSThomas Zimmermann 1042f3901b5fSThomas Zimmermann static void 1043f6ebe9f9SMaxime Ripard ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, 1044f6ebe9f9SMaxime Ripard struct drm_atomic_state *state) 10458e3784dfSThomas Zimmermann { 1046253f28b6SMaxime Ripard struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, 1047253f28b6SMaxime Ripard crtc); 1048f6ebe9f9SMaxime Ripard struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, 1049f6ebe9f9SMaxime Ripard crtc); 10508e3784dfSThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 1051253f28b6SMaxime Ripard struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 10528e3784dfSThomas Zimmermann struct ast_crtc_state *old_ast_crtc_state = to_ast_crtc_state(old_crtc_state); 10538e3784dfSThomas Zimmermann 10548e3784dfSThomas Zimmermann /* 10558e3784dfSThomas Zimmermann * The gamma LUT has to be reloaded after changing the primary 10568e3784dfSThomas Zimmermann * plane's color format. 10578e3784dfSThomas Zimmermann */ 10588e3784dfSThomas Zimmermann if (old_ast_crtc_state->format != ast_crtc_state->format) 10598e3784dfSThomas Zimmermann ast_crtc_load_lut(ast, crtc); 10608e3784dfSThomas Zimmermann } 10618e3784dfSThomas Zimmermann 10628e3784dfSThomas Zimmermann static void 1063f3901b5fSThomas Zimmermann ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, 1064351f950dSMaxime Ripard struct drm_atomic_state *state) 1065b48e1b6fSThomas Zimmermann { 106671d873ccSThomas Zimmermann struct drm_device *dev = crtc->dev; 1067fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 10685638c82cSThomas Zimmermann struct drm_crtc_state *crtc_state = crtc->state; 10695638c82cSThomas Zimmermann struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 10705638c82cSThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info = 10715638c82cSThomas Zimmermann &ast_crtc_state->vbios_mode_info; 10725638c82cSThomas Zimmermann struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; 1073b48e1b6fSThomas Zimmermann 1074e7d70cd4SThomas Zimmermann ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info); 1075b48e1b6fSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 1076e7d70cd4SThomas Zimmermann ast_set_std_reg(ast, adjusted_mode, vbios_mode_info); 1077e7d70cd4SThomas Zimmermann ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info); 1078e7d70cd4SThomas Zimmermann ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info); 1079ae37025dSThomas Zimmermann ast_set_crtthd_reg(ast); 1080e7d70cd4SThomas Zimmermann ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info); 1081b48e1b6fSThomas Zimmermann 1082b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 1083b48e1b6fSThomas Zimmermann } 1084b48e1b6fSThomas Zimmermann 1085b48e1b6fSThomas Zimmermann static void 1086b48e1b6fSThomas Zimmermann ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, 1087351f950dSMaxime Ripard struct drm_atomic_state *state) 1088b48e1b6fSThomas Zimmermann { 1089351f950dSMaxime Ripard struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, 1090351f950dSMaxime Ripard crtc); 109139edb287SThomas Zimmermann struct drm_device *dev = crtc->dev; 109239edb287SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 109339edb287SThomas Zimmermann 1094b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 109539edb287SThomas Zimmermann 109639edb287SThomas Zimmermann /* 109739edb287SThomas Zimmermann * HW cursors require the underlying primary plane and CRTC to 109839edb287SThomas Zimmermann * display a valid mode and image. This is not the case during 109939edb287SThomas Zimmermann * full modeset operations. So we temporarily disable any active 110039edb287SThomas Zimmermann * plane, including the HW cursor. Each plane's atomic_update() 110139edb287SThomas Zimmermann * helper will re-enable it if necessary. 110239edb287SThomas Zimmermann * 110339edb287SThomas Zimmermann * We only do this during *full* modesets. It does not affect 110439edb287SThomas Zimmermann * simple pageflips on the planes. 110539edb287SThomas Zimmermann */ 110639edb287SThomas Zimmermann drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); 110739edb287SThomas Zimmermann 110839edb287SThomas Zimmermann /* 110939edb287SThomas Zimmermann * Ensure that no scanout takes place before reprogramming mode 111039edb287SThomas Zimmermann * and format registers. 111139edb287SThomas Zimmermann */ 111239edb287SThomas Zimmermann ast_wait_for_vretrace(ast); 1113b48e1b6fSThomas Zimmermann } 1114312fec14SDave Airlie 1115312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 1116b48e1b6fSThomas Zimmermann .atomic_check = ast_crtc_helper_atomic_check, 11178e3784dfSThomas Zimmermann .atomic_flush = ast_crtc_helper_atomic_flush, 1118b48e1b6fSThomas Zimmermann .atomic_enable = ast_crtc_helper_atomic_enable, 1119b48e1b6fSThomas Zimmermann .atomic_disable = ast_crtc_helper_atomic_disable, 1120312fec14SDave Airlie }; 1121312fec14SDave Airlie 1122f0adbc38SThomas Zimmermann static void ast_crtc_reset(struct drm_crtc *crtc) 1123f0adbc38SThomas Zimmermann { 1124f0adbc38SThomas Zimmermann struct ast_crtc_state *ast_state = 1125f0adbc38SThomas Zimmermann kzalloc(sizeof(*ast_state), GFP_KERNEL); 1126f0adbc38SThomas Zimmermann 1127f0adbc38SThomas Zimmermann if (crtc->state) 1128f0adbc38SThomas Zimmermann crtc->funcs->atomic_destroy_state(crtc, crtc->state); 1129f0adbc38SThomas Zimmermann 1130f0adbc38SThomas Zimmermann __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); 1131f0adbc38SThomas Zimmermann } 1132f0adbc38SThomas Zimmermann 113383be6a3cSThomas Zimmermann static struct drm_crtc_state * 113483be6a3cSThomas Zimmermann ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) 113583be6a3cSThomas Zimmermann { 1136e7d70cd4SThomas Zimmermann struct ast_crtc_state *new_ast_state, *ast_state; 11371a19b4cbSThomas Zimmermann struct drm_device *dev = crtc->dev; 113883be6a3cSThomas Zimmermann 11391a19b4cbSThomas Zimmermann if (drm_WARN_ON(dev, !crtc->state)) 114083be6a3cSThomas Zimmermann return NULL; 114183be6a3cSThomas Zimmermann 114283be6a3cSThomas Zimmermann new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL); 114383be6a3cSThomas Zimmermann if (!new_ast_state) 114483be6a3cSThomas Zimmermann return NULL; 114583be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base); 114683be6a3cSThomas Zimmermann 1147e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(crtc->state); 1148e7d70cd4SThomas Zimmermann 11493339fdf5SThomas Zimmermann new_ast_state->format = ast_state->format; 1150e7d70cd4SThomas Zimmermann memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info, 1151e7d70cd4SThomas Zimmermann sizeof(new_ast_state->vbios_mode_info)); 1152e7d70cd4SThomas Zimmermann 115383be6a3cSThomas Zimmermann return &new_ast_state->base; 115483be6a3cSThomas Zimmermann } 115583be6a3cSThomas Zimmermann 115683be6a3cSThomas Zimmermann static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc, 115783be6a3cSThomas Zimmermann struct drm_crtc_state *state) 115883be6a3cSThomas Zimmermann { 115983be6a3cSThomas Zimmermann struct ast_crtc_state *ast_state = to_ast_crtc_state(state); 116083be6a3cSThomas Zimmermann 116183be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_destroy_state(&ast_state->base); 116283be6a3cSThomas Zimmermann kfree(ast_state); 116383be6a3cSThomas Zimmermann } 116483be6a3cSThomas Zimmermann 1165312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 1166f0adbc38SThomas Zimmermann .reset = ast_crtc_reset, 11676a470dc2SThomas Zimmermann .destroy = drm_crtc_cleanup, 11684961eb60SThomas Zimmermann .set_config = drm_atomic_helper_set_config, 11694961eb60SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, 117083be6a3cSThomas Zimmermann .atomic_duplicate_state = ast_crtc_atomic_duplicate_state, 117183be6a3cSThomas Zimmermann .atomic_destroy_state = ast_crtc_atomic_destroy_state, 1172312fec14SDave Airlie }; 1173312fec14SDave Airlie 11747f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 1175312fec14SDave Airlie { 1176fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 11776a470dc2SThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 1178a6ff807bSThomas Zimmermann int ret; 1179312fec14SDave Airlie 1180c35da0edSThomas Zimmermann ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane, 118102f3bb75SThomas Zimmermann &ast->cursor_plane, &ast_crtc_funcs, 118202f3bb75SThomas Zimmermann NULL); 1183a6ff807bSThomas Zimmermann if (ret) 11846a470dc2SThomas Zimmermann return ret; 1185a6ff807bSThomas Zimmermann 1186c35da0edSThomas Zimmermann drm_mode_crtc_set_gamma_size(crtc, 256); 1187c35da0edSThomas Zimmermann drm_crtc_helper_add(crtc, &ast_crtc_helper_funcs); 1188c35da0edSThomas Zimmermann 1189312fec14SDave Airlie return 0; 1190312fec14SDave Airlie } 1191312fec14SDave Airlie 11924961eb60SThomas Zimmermann /* 11934961eb60SThomas Zimmermann * Encoder 11944961eb60SThomas Zimmermann */ 11954961eb60SThomas Zimmermann 11967f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 1197312fec14SDave Airlie { 1198fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 11994220fdf0SThomas Zimmermann struct drm_encoder *encoder = &ast->encoder; 12004220fdf0SThomas Zimmermann int ret; 1201312fec14SDave Airlie 12024220fdf0SThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC); 12034220fdf0SThomas Zimmermann if (ret) 12044220fdf0SThomas Zimmermann return ret; 1205312fec14SDave Airlie 12064220fdf0SThomas Zimmermann encoder->possible_crtcs = 1; 1207312fec14SDave Airlie 1208312fec14SDave Airlie return 0; 1209312fec14SDave Airlie } 1210312fec14SDave Airlie 12114961eb60SThomas Zimmermann /* 12124961eb60SThomas Zimmermann * Connector 12134961eb60SThomas Zimmermann */ 12144961eb60SThomas Zimmermann 1215312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 1216312fec14SDave Airlie { 1217312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 1218fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(connector->dev); 1219312fec14SDave Airlie struct edid *edid; 1220312fec14SDave Airlie int ret; 122183c6620bSDave Airlie bool flags = false; 122283c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 122383c6620bSDave Airlie ast->dp501_maxclk = 0xff; 122483c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 122583c6620bSDave Airlie if (!edid) 122683c6620bSDave Airlie return -ENOMEM; 1227312fec14SDave Airlie 122883c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 122983c6620bSDave Airlie if (flags) 123083c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 123183c6620bSDave Airlie else 123283c6620bSDave Airlie kfree(edid); 123383c6620bSDave Airlie } 123483c6620bSDave Airlie if (!flags) 1235312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 1236312fec14SDave Airlie if (edid) { 1237c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 1238312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 1239993dcb05SJani Nikula kfree(edid); 1240312fec14SDave Airlie return ret; 1241312fec14SDave Airlie } else 1242c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 1243312fec14SDave Airlie return 0; 1244312fec14SDave Airlie } 1245312fec14SDave Airlie 1246602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 1247312fec14SDave Airlie struct drm_display_mode *mode) 1248312fec14SDave Airlie { 1249fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(connector->dev); 1250f1f62f2cSDave Airlie int flags = MODE_NOMODE; 1251f1f62f2cSDave Airlie uint32_t jtemp; 1252f1f62f2cSDave Airlie 1253f1f62f2cSDave Airlie if (ast->support_wide_screen) { 1254f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 1255312fec14SDave Airlie return MODE_OK; 1256f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 1257f1f62f2cSDave Airlie return MODE_OK; 1258f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 1259f1f62f2cSDave Airlie return MODE_OK; 1260f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 1261f1f62f2cSDave Airlie return MODE_OK; 1262f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 1263f1f62f2cSDave Airlie return MODE_OK; 1264f1f62f2cSDave Airlie 12659f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 12669f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 126705f13f5bSThomas Zimmermann (ast->chip == AST2500)) { 1268f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 1269f1f62f2cSDave Airlie return MODE_OK; 1270f1f62f2cSDave Airlie 1271f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 1272f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 1273f1f62f2cSDave Airlie if (jtemp & 0x01) 1274f1f62f2cSDave Airlie return MODE_NOMODE; 1275f1f62f2cSDave Airlie else 1276f1f62f2cSDave Airlie return MODE_OK; 1277f1f62f2cSDave Airlie } 1278f1f62f2cSDave Airlie } 1279f1f62f2cSDave Airlie } 1280f1f62f2cSDave Airlie switch (mode->hdisplay) { 1281f1f62f2cSDave Airlie case 640: 1282f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 1283f1f62f2cSDave Airlie break; 1284f1f62f2cSDave Airlie case 800: 1285f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 1286f1f62f2cSDave Airlie break; 1287f1f62f2cSDave Airlie case 1024: 1288f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 1289f1f62f2cSDave Airlie break; 1290f1f62f2cSDave Airlie case 1280: 1291f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 1292f1f62f2cSDave Airlie break; 1293f1f62f2cSDave Airlie case 1600: 1294f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 1295f1f62f2cSDave Airlie break; 1296f1f62f2cSDave Airlie default: 1297f1f62f2cSDave Airlie return flags; 1298f1f62f2cSDave Airlie } 1299f1f62f2cSDave Airlie 1300f1f62f2cSDave Airlie return flags; 1301312fec14SDave Airlie } 1302312fec14SDave Airlie 1303312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 1304312fec14SDave Airlie { 1305312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 1306312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 1307312fec14SDave Airlie drm_connector_cleanup(connector); 1308312fec14SDave Airlie } 1309312fec14SDave Airlie 1310312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 1311312fec14SDave Airlie .get_modes = ast_get_modes, 13124961eb60SThomas Zimmermann .mode_valid = ast_mode_valid, 1313312fec14SDave Airlie }; 1314312fec14SDave Airlie 1315312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 13164961eb60SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 1317312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 1318312fec14SDave Airlie .destroy = ast_connector_destroy, 13194961eb60SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 13204961eb60SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1321312fec14SDave Airlie }; 1322312fec14SDave Airlie 13237f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 1324312fec14SDave Airlie { 13256a470dc2SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 13266a470dc2SThomas Zimmermann struct ast_connector *ast_connector = &ast->connector; 13276a470dc2SThomas Zimmermann struct drm_connector *connector = &ast_connector->base; 13286a470dc2SThomas Zimmermann struct drm_encoder *encoder = &ast->encoder; 1329312fec14SDave Airlie 1330350fd554SAndrzej Pietrasiewicz ast_connector->i2c = ast_i2c_create(dev); 1331350fd554SAndrzej Pietrasiewicz if (!ast_connector->i2c) 13321a19b4cbSThomas Zimmermann drm_err(dev, "failed to add ddc bus for connector\n"); 1333350fd554SAndrzej Pietrasiewicz 1334350fd554SAndrzej Pietrasiewicz drm_connector_init_with_ddc(dev, connector, 1335350fd554SAndrzej Pietrasiewicz &ast_connector_funcs, 1336350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 1337350fd554SAndrzej Pietrasiewicz &ast_connector->i2c->adapter); 1338312fec14SDave Airlie 1339312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 1340312fec14SDave Airlie 1341312fec14SDave Airlie connector->interlace_allowed = 0; 1342312fec14SDave Airlie connector->doublescan_allowed = 0; 1343312fec14SDave Airlie 1344312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1345312fec14SDave Airlie 1346cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 1347312fec14SDave Airlie 1348312fec14SDave Airlie return 0; 1349312fec14SDave Airlie } 1350312fec14SDave Airlie 1351e6949ff3SThomas Zimmermann /* 1352e6949ff3SThomas Zimmermann * Mode config 1353e6949ff3SThomas Zimmermann */ 1354e6949ff3SThomas Zimmermann 13552f0ddd89SThomas Zimmermann static const struct drm_mode_config_helper_funcs 13562f0ddd89SThomas Zimmermann ast_mode_config_helper_funcs = { 13572f0ddd89SThomas Zimmermann .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, 13582f0ddd89SThomas Zimmermann }; 13592f0ddd89SThomas Zimmermann 1360e6949ff3SThomas Zimmermann static const struct drm_mode_config_funcs ast_mode_config_funcs = { 1361e6949ff3SThomas Zimmermann .fb_create = drm_gem_fb_create, 1362e6949ff3SThomas Zimmermann .mode_valid = drm_vram_helper_mode_valid, 1363e6949ff3SThomas Zimmermann .atomic_check = drm_atomic_helper_check, 1364e6949ff3SThomas Zimmermann .atomic_commit = drm_atomic_helper_commit, 1365e6949ff3SThomas Zimmermann }; 1366e6949ff3SThomas Zimmermann 1367e6949ff3SThomas Zimmermann int ast_mode_config_init(struct ast_private *ast) 1368312fec14SDave Airlie { 1369e0f5a738SThomas Zimmermann struct drm_device *dev = &ast->base; 137046fb883cSThomas Zimmermann struct pci_dev *pdev = to_pci_dev(dev->dev); 1371a6ff807bSThomas Zimmermann int ret; 1372a6ff807bSThomas Zimmermann 1373e6949ff3SThomas Zimmermann ret = drmm_mode_config_init(dev); 1374e6949ff3SThomas Zimmermann if (ret) 1375e6949ff3SThomas Zimmermann return ret; 1376e6949ff3SThomas Zimmermann 1377e6949ff3SThomas Zimmermann dev->mode_config.funcs = &ast_mode_config_funcs; 1378e6949ff3SThomas Zimmermann dev->mode_config.min_width = 0; 1379e6949ff3SThomas Zimmermann dev->mode_config.min_height = 0; 1380e6949ff3SThomas Zimmermann dev->mode_config.preferred_depth = 24; 1381e6949ff3SThomas Zimmermann dev->mode_config.prefer_shadow = 1; 138246fb883cSThomas Zimmermann dev->mode_config.fb_base = pci_resource_start(pdev, 0); 1383e6949ff3SThomas Zimmermann 1384e6949ff3SThomas Zimmermann if (ast->chip == AST2100 || 1385e6949ff3SThomas Zimmermann ast->chip == AST2200 || 1386e6949ff3SThomas Zimmermann ast->chip == AST2300 || 1387e6949ff3SThomas Zimmermann ast->chip == AST2400 || 1388e6949ff3SThomas Zimmermann ast->chip == AST2500) { 1389e6949ff3SThomas Zimmermann dev->mode_config.max_width = 1920; 1390e6949ff3SThomas Zimmermann dev->mode_config.max_height = 2048; 1391e6949ff3SThomas Zimmermann } else { 1392e6949ff3SThomas Zimmermann dev->mode_config.max_width = 1600; 1393e6949ff3SThomas Zimmermann dev->mode_config.max_height = 1200; 1394e6949ff3SThomas Zimmermann } 1395e6949ff3SThomas Zimmermann 13962f0ddd89SThomas Zimmermann dev->mode_config.helper_private = &ast_mode_config_helper_funcs; 13972f0ddd89SThomas Zimmermann 1398a6ff807bSThomas Zimmermann 1399616048afSThomas Zimmermann ret = ast_primary_plane_init(ast); 1400616048afSThomas Zimmermann if (ret) 140102f3bb75SThomas Zimmermann return ret; 1402616048afSThomas Zimmermann 1403616048afSThomas Zimmermann ret = ast_cursor_plane_init(ast); 1404616048afSThomas Zimmermann if (ret) 1405616048afSThomas Zimmermann return ret; 140602f3bb75SThomas Zimmermann 1407312fec14SDave Airlie ast_crtc_init(dev); 1408312fec14SDave Airlie ast_encoder_init(dev); 1409312fec14SDave Airlie ast_connector_init(dev); 1410a6ff807bSThomas Zimmermann 1411e6949ff3SThomas Zimmermann drm_mode_config_reset(dev); 1412e6949ff3SThomas Zimmermann 1413312fec14SDave Airlie return 0; 1414312fec14SDave Airlie } 1415312fec14SDave Airlie 1416312fec14SDave Airlie static int get_clock(void *i2c_priv) 1417312fec14SDave Airlie { 1418312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1419fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 142030062562SY.C. Chen uint32_t val, val2, count, pass; 1421312fec14SDave Airlie 142230062562SY.C. Chen count = 0; 142330062562SY.C. Chen pass = 0; 142430062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 142530062562SY.C. Chen do { 142630062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 142730062562SY.C. Chen if (val == val2) { 142830062562SY.C. Chen pass++; 142930062562SY.C. Chen } else { 143030062562SY.C. Chen pass = 0; 143130062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 143230062562SY.C. Chen } 143330062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 143430062562SY.C. Chen 1435312fec14SDave Airlie return val & 1 ? 1 : 0; 1436312fec14SDave Airlie } 1437312fec14SDave Airlie 1438312fec14SDave Airlie static int get_data(void *i2c_priv) 1439312fec14SDave Airlie { 1440312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1441fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 144230062562SY.C. Chen uint32_t val, val2, count, pass; 1443312fec14SDave Airlie 144430062562SY.C. Chen count = 0; 144530062562SY.C. Chen pass = 0; 144630062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 144730062562SY.C. Chen do { 144830062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 144930062562SY.C. Chen if (val == val2) { 145030062562SY.C. Chen pass++; 145130062562SY.C. Chen } else { 145230062562SY.C. Chen pass = 0; 145330062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 145430062562SY.C. Chen } 145530062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 145630062562SY.C. Chen 1457312fec14SDave Airlie return val & 1 ? 1 : 0; 1458312fec14SDave Airlie } 1459312fec14SDave Airlie 1460312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 1461312fec14SDave Airlie { 1462312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1463fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 1464312fec14SDave Airlie int i; 1465312fec14SDave Airlie u8 ujcrb7, jtemp; 1466312fec14SDave Airlie 1467312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1468312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 146930062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1470312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1471312fec14SDave Airlie if (ujcrb7 == jtemp) 1472312fec14SDave Airlie break; 1473312fec14SDave Airlie } 1474312fec14SDave Airlie } 1475312fec14SDave Airlie 1476312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1477312fec14SDave Airlie { 1478312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1479fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 1480312fec14SDave Airlie int i; 1481312fec14SDave Airlie u8 ujcrb7, jtemp; 1482312fec14SDave Airlie 1483312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1484312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 148530062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1486312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1487312fec14SDave Airlie if (ujcrb7 == jtemp) 1488312fec14SDave Airlie break; 1489312fec14SDave Airlie } 1490312fec14SDave Airlie } 1491312fec14SDave Airlie 1492312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1493312fec14SDave Airlie { 1494312fec14SDave Airlie struct ast_i2c_chan *i2c; 1495312fec14SDave Airlie int ret; 1496312fec14SDave Airlie 1497312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1498312fec14SDave Airlie if (!i2c) 1499312fec14SDave Airlie return NULL; 1500312fec14SDave Airlie 1501312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1502312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 150346fb883cSThomas Zimmermann i2c->adapter.dev.parent = dev->dev; 1504312fec14SDave Airlie i2c->dev = dev; 1505312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1506312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1507312fec14SDave Airlie "AST i2c bit bus"); 1508312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1509312fec14SDave Airlie 1510312fec14SDave Airlie i2c->bit.udelay = 20; 1511312fec14SDave Airlie i2c->bit.timeout = 2; 1512312fec14SDave Airlie i2c->bit.data = i2c; 1513312fec14SDave Airlie i2c->bit.setsda = set_data; 1514312fec14SDave Airlie i2c->bit.setscl = set_clock; 1515312fec14SDave Airlie i2c->bit.getsda = get_data; 1516312fec14SDave Airlie i2c->bit.getscl = get_clock; 1517312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1518312fec14SDave Airlie if (ret) { 15191a19b4cbSThomas Zimmermann drm_err(dev, "Failed to register bit i2c\n"); 1520312fec14SDave Airlie goto out_free; 1521312fec14SDave Airlie } 1522312fec14SDave Airlie 1523312fec14SDave Airlie return i2c; 1524312fec14SDave Airlie out_free: 1525312fec14SDave Airlie kfree(i2c); 1526312fec14SDave Airlie return NULL; 1527312fec14SDave Airlie } 1528312fec14SDave Airlie 1529312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1530312fec14SDave Airlie { 1531312fec14SDave Airlie if (!i2c) 1532312fec14SDave Airlie return; 1533312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1534312fec14SDave Airlie kfree(i2c); 1535312fec14SDave Airlie } 1536