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 517a6ff807bSThomas Zimmermann /* 518a6ff807bSThomas Zimmermann * Primary plane 519a6ff807bSThomas Zimmermann */ 520a6ff807bSThomas Zimmermann 521a6ff807bSThomas Zimmermann static const uint32_t ast_primary_plane_formats[] = { 522a6ff807bSThomas Zimmermann DRM_FORMAT_XRGB8888, 523a6ff807bSThomas Zimmermann DRM_FORMAT_RGB565, 524a6ff807bSThomas Zimmermann DRM_FORMAT_C8, 525a6ff807bSThomas Zimmermann }; 526a6ff807bSThomas Zimmermann 527ae46a57dSThomas Zimmermann static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, 528a6ff807bSThomas Zimmermann struct drm_plane_state *state) 529a6ff807bSThomas Zimmermann { 530ae46a57dSThomas Zimmermann struct drm_crtc_state *crtc_state; 5313339fdf5SThomas Zimmermann struct ast_crtc_state *ast_crtc_state; 532ae46a57dSThomas Zimmermann int ret; 533ae46a57dSThomas Zimmermann 534ae46a57dSThomas Zimmermann if (!state->crtc) 535ae46a57dSThomas Zimmermann return 0; 536ae46a57dSThomas Zimmermann 537ae46a57dSThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); 538ae46a57dSThomas Zimmermann 539ae46a57dSThomas Zimmermann ret = drm_atomic_helper_check_plane_state(state, crtc_state, 540ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 541ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 542ae46a57dSThomas Zimmermann false, true); 543ae46a57dSThomas Zimmermann if (ret) 544ae46a57dSThomas Zimmermann return ret; 545ae46a57dSThomas Zimmermann 5463339fdf5SThomas Zimmermann if (!state->visible) 5473339fdf5SThomas Zimmermann return 0; 5483339fdf5SThomas Zimmermann 5493339fdf5SThomas Zimmermann ast_crtc_state = to_ast_crtc_state(crtc_state); 5503339fdf5SThomas Zimmermann 5513339fdf5SThomas Zimmermann ast_crtc_state->format = state->fb->format; 5523339fdf5SThomas Zimmermann 553a6ff807bSThomas Zimmermann return 0; 554a6ff807bSThomas Zimmermann } 555a6ff807bSThomas Zimmermann 5563a53230eSSamuel Zou static void 5573a53230eSSamuel Zou ast_primary_plane_helper_atomic_update(struct drm_plane *plane, 558a6ff807bSThomas Zimmermann struct drm_plane_state *old_state) 559a6ff807bSThomas Zimmermann { 5601a19b4cbSThomas Zimmermann struct drm_device *dev = plane->dev; 5611a19b4cbSThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 562a6ff807bSThomas Zimmermann struct drm_plane_state *state = plane->state; 563a6ff807bSThomas Zimmermann struct drm_gem_vram_object *gbo; 564a6ff807bSThomas Zimmermann s64 gpu_addr; 5655638c82cSThomas Zimmermann struct drm_framebuffer *fb = state->fb; 5665638c82cSThomas Zimmermann struct drm_framebuffer *old_fb = old_state->fb; 567a6ff807bSThomas Zimmermann 5685638c82cSThomas Zimmermann if (!old_fb || (fb->format != old_fb->format)) { 5695638c82cSThomas Zimmermann struct drm_crtc_state *crtc_state = state->crtc->state; 5705638c82cSThomas Zimmermann struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 5715638c82cSThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info; 5725638c82cSThomas Zimmermann 5735638c82cSThomas Zimmermann ast_set_color_reg(ast, fb->format); 5745638c82cSThomas Zimmermann ast_set_vbios_color_reg(ast, fb->format, vbios_mode_info); 5755638c82cSThomas Zimmermann } 5765638c82cSThomas Zimmermann 5775638c82cSThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 578a6ff807bSThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 5791a19b4cbSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, gpu_addr < 0)) 580a6ff807bSThomas Zimmermann return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ 581a6ff807bSThomas Zimmermann 5825638c82cSThomas Zimmermann ast_set_offset_reg(ast, fb); 583ae37025dSThomas Zimmermann ast_set_start_address_crt1(ast, (u32)gpu_addr); 5842fbeec03SThomas Zimmermann 5852fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); 5862fbeec03SThomas Zimmermann } 5872fbeec03SThomas Zimmermann 5882fbeec03SThomas Zimmermann static void 5892fbeec03SThomas Zimmermann ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, 5902fbeec03SThomas Zimmermann struct drm_plane_state *old_state) 5912fbeec03SThomas Zimmermann { 592fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 5932fbeec03SThomas Zimmermann 5942fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 595a6ff807bSThomas Zimmermann } 596a6ff807bSThomas Zimmermann 597a6ff807bSThomas Zimmermann static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { 598a6ff807bSThomas Zimmermann .prepare_fb = drm_gem_vram_plane_helper_prepare_fb, 599a6ff807bSThomas Zimmermann .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb, 600a6ff807bSThomas Zimmermann .atomic_check = ast_primary_plane_helper_atomic_check, 601a6ff807bSThomas Zimmermann .atomic_update = ast_primary_plane_helper_atomic_update, 6022fbeec03SThomas Zimmermann .atomic_disable = ast_primary_plane_helper_atomic_disable, 603a6ff807bSThomas Zimmermann }; 604a6ff807bSThomas Zimmermann 605a6ff807bSThomas Zimmermann static const struct drm_plane_funcs ast_primary_plane_funcs = { 606a6ff807bSThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 607a6ff807bSThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 608a6ff807bSThomas Zimmermann .destroy = drm_plane_cleanup, 609a6ff807bSThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 610a6ff807bSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 611a6ff807bSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 612a6ff807bSThomas Zimmermann }; 613a6ff807bSThomas Zimmermann 614a6ff807bSThomas Zimmermann /* 61502f3bb75SThomas Zimmermann * Cursor plane 61602f3bb75SThomas Zimmermann */ 61702f3bb75SThomas Zimmermann 61802f3bb75SThomas Zimmermann static const uint32_t ast_cursor_plane_formats[] = { 61902f3bb75SThomas Zimmermann DRM_FORMAT_ARGB8888, 62002f3bb75SThomas Zimmermann }; 62102f3bb75SThomas Zimmermann 62202f3bb75SThomas Zimmermann static int 62302f3bb75SThomas Zimmermann ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane, 62402f3bb75SThomas Zimmermann struct drm_plane_state *new_state) 62502f3bb75SThomas Zimmermann { 62602f3bb75SThomas Zimmermann struct drm_framebuffer *fb = new_state->fb; 62702f3bb75SThomas Zimmermann struct drm_crtc *crtc = new_state->crtc; 62802f3bb75SThomas Zimmermann struct ast_private *ast; 62902f3bb75SThomas Zimmermann int ret; 63002f3bb75SThomas Zimmermann 63102f3bb75SThomas Zimmermann if (!crtc || !fb) 63202f3bb75SThomas Zimmermann return 0; 63302f3bb75SThomas Zimmermann 634dd004b9aSThomas Zimmermann ast = to_ast_private(plane->dev); 63502f3bb75SThomas Zimmermann 636dd004b9aSThomas Zimmermann ret = ast_cursor_blit(ast, fb); 63702f3bb75SThomas Zimmermann if (ret) 638dd004b9aSThomas Zimmermann return ret; 63902f3bb75SThomas Zimmermann 64002f3bb75SThomas Zimmermann return 0; 64102f3bb75SThomas Zimmermann } 64202f3bb75SThomas Zimmermann 64302f3bb75SThomas Zimmermann static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, 64402f3bb75SThomas Zimmermann struct drm_plane_state *state) 64502f3bb75SThomas Zimmermann { 646ae46a57dSThomas Zimmermann struct drm_framebuffer *fb = state->fb; 647ae46a57dSThomas Zimmermann struct drm_crtc_state *crtc_state; 648ae46a57dSThomas Zimmermann int ret; 649ae46a57dSThomas Zimmermann 650ae46a57dSThomas Zimmermann if (!state->crtc) 651ae46a57dSThomas Zimmermann return 0; 652ae46a57dSThomas Zimmermann 653ae46a57dSThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); 654ae46a57dSThomas Zimmermann 655ae46a57dSThomas Zimmermann ret = drm_atomic_helper_check_plane_state(state, crtc_state, 656ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 657ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 658ae46a57dSThomas Zimmermann true, true); 659ae46a57dSThomas Zimmermann if (ret) 660ae46a57dSThomas Zimmermann return ret; 661ae46a57dSThomas Zimmermann 662ae46a57dSThomas Zimmermann if (!state->visible) 663ae46a57dSThomas Zimmermann return 0; 664ae46a57dSThomas Zimmermann 665ae46a57dSThomas Zimmermann if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) 666ae46a57dSThomas Zimmermann return -EINVAL; 667ae46a57dSThomas Zimmermann 66802f3bb75SThomas Zimmermann return 0; 66902f3bb75SThomas Zimmermann } 67002f3bb75SThomas Zimmermann 67102f3bb75SThomas Zimmermann static void 67202f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, 67302f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 67402f3bb75SThomas Zimmermann { 67502f3bb75SThomas Zimmermann struct drm_plane_state *state = plane->state; 67602f3bb75SThomas Zimmermann struct drm_framebuffer *fb = state->fb; 677365c0e70SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 67881039adcSThomas Zimmermann unsigned int offset_x, offset_y; 67902f3bb75SThomas Zimmermann 68081039adcSThomas Zimmermann offset_x = AST_MAX_HWC_WIDTH - fb->width; 68181039adcSThomas Zimmermann offset_y = AST_MAX_HWC_WIDTH - fb->height; 68202f3bb75SThomas Zimmermann 68302f3bb75SThomas Zimmermann if (state->fb != old_state->fb) { 68402f3bb75SThomas Zimmermann /* A new cursor image was installed. */ 68575d9d8e6SThomas Zimmermann ast_cursor_page_flip(ast); 68602f3bb75SThomas Zimmermann } 68702f3bb75SThomas Zimmermann 68881039adcSThomas Zimmermann ast_cursor_show(ast, state->crtc_x, state->crtc_y, 68981039adcSThomas Zimmermann offset_x, offset_y); 69002f3bb75SThomas Zimmermann } 69102f3bb75SThomas Zimmermann 69202f3bb75SThomas Zimmermann static void 69302f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, 69402f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 69502f3bb75SThomas Zimmermann { 696fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 69702f3bb75SThomas Zimmermann 698c91eadd1SThomas Zimmermann ast_cursor_hide(ast); 69902f3bb75SThomas Zimmermann } 70002f3bb75SThomas Zimmermann 70102f3bb75SThomas Zimmermann static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { 70202f3bb75SThomas Zimmermann .prepare_fb = ast_cursor_plane_helper_prepare_fb, 70302f3bb75SThomas Zimmermann .cleanup_fb = NULL, /* not required for cursor plane */ 70402f3bb75SThomas Zimmermann .atomic_check = ast_cursor_plane_helper_atomic_check, 70502f3bb75SThomas Zimmermann .atomic_update = ast_cursor_plane_helper_atomic_update, 70602f3bb75SThomas Zimmermann .atomic_disable = ast_cursor_plane_helper_atomic_disable, 70702f3bb75SThomas Zimmermann }; 70802f3bb75SThomas Zimmermann 70902f3bb75SThomas Zimmermann static const struct drm_plane_funcs ast_cursor_plane_funcs = { 71002f3bb75SThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 71102f3bb75SThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 71202f3bb75SThomas Zimmermann .destroy = drm_plane_cleanup, 71302f3bb75SThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 71402f3bb75SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 71502f3bb75SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 71602f3bb75SThomas Zimmermann }; 71702f3bb75SThomas Zimmermann 71802f3bb75SThomas Zimmermann /* 719a6ff807bSThomas Zimmermann * CRTC 720a6ff807bSThomas Zimmermann */ 721a6ff807bSThomas Zimmermann 722312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 723312fec14SDave Airlie { 724fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 725312fec14SDave Airlie 7262fbeec03SThomas Zimmermann /* TODO: Maybe control display signal generation with 7272fbeec03SThomas Zimmermann * Sync Enable (bit CR17.7). 7282fbeec03SThomas Zimmermann */ 729312fec14SDave Airlie switch (mode) { 730312fec14SDave Airlie case DRM_MODE_DPMS_ON: 731312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 732312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 73383c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 73483c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 735ae37025dSThomas Zimmermann ast_crtc_load_lut(ast, crtc); 736312fec14SDave Airlie break; 737312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 73883c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 73983c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 740312fec14SDave Airlie break; 741312fec14SDave Airlie } 742312fec14SDave Airlie } 743312fec14SDave Airlie 744b48e1b6fSThomas Zimmermann static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, 745b48e1b6fSThomas Zimmermann struct drm_crtc_state *state) 746b48e1b6fSThomas Zimmermann { 7475638c82cSThomas Zimmermann struct drm_device *dev = crtc->dev; 748e7d70cd4SThomas Zimmermann struct ast_crtc_state *ast_state; 7493339fdf5SThomas Zimmermann const struct drm_format_info *format; 750b48e1b6fSThomas Zimmermann bool succ; 751b48e1b6fSThomas Zimmermann 752d6ddbd5cSThomas Zimmermann if (!state->enable) 753d6ddbd5cSThomas Zimmermann return 0; /* no mode checks if CRTC is being disabled */ 754d6ddbd5cSThomas Zimmermann 755e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(state); 756b48e1b6fSThomas Zimmermann 7573339fdf5SThomas Zimmermann format = ast_state->format; 7585638c82cSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, !format)) 7595638c82cSThomas Zimmermann return -EINVAL; /* BUG: We didn't set format in primary check(). */ 760e7d70cd4SThomas Zimmermann 7613339fdf5SThomas Zimmermann succ = ast_get_vbios_mode_info(format, &state->mode, 762e7d70cd4SThomas Zimmermann &state->adjusted_mode, 763e7d70cd4SThomas Zimmermann &ast_state->vbios_mode_info); 764b48e1b6fSThomas Zimmermann if (!succ) 765b48e1b6fSThomas Zimmermann return -EINVAL; 766b48e1b6fSThomas Zimmermann 767b48e1b6fSThomas Zimmermann return 0; 768b48e1b6fSThomas Zimmermann } 769b48e1b6fSThomas Zimmermann 770b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_begin(struct drm_crtc *crtc, 771b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 772b48e1b6fSThomas Zimmermann { 773fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 774b48e1b6fSThomas Zimmermann 775b48e1b6fSThomas Zimmermann ast_open_key(ast); 776b48e1b6fSThomas Zimmermann } 777b48e1b6fSThomas Zimmermann 778b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, 779b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 780b48e1b6fSThomas Zimmermann { 78171d873ccSThomas Zimmermann struct drm_device *dev = crtc->dev; 782fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 7835638c82cSThomas Zimmermann struct drm_crtc_state *crtc_state = crtc->state; 7845638c82cSThomas Zimmermann struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state); 7855638c82cSThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info = 7865638c82cSThomas Zimmermann &ast_crtc_state->vbios_mode_info; 7875638c82cSThomas Zimmermann struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; 788b48e1b6fSThomas Zimmermann 7895638c82cSThomas Zimmermann if (!drm_atomic_crtc_needs_modeset(crtc_state)) 7903339fdf5SThomas Zimmermann return; 7913339fdf5SThomas Zimmermann 792e7d70cd4SThomas Zimmermann ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info); 793b48e1b6fSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 794e7d70cd4SThomas Zimmermann ast_set_std_reg(ast, adjusted_mode, vbios_mode_info); 795e7d70cd4SThomas Zimmermann ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info); 796e7d70cd4SThomas Zimmermann ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info); 797ae37025dSThomas Zimmermann ast_set_crtthd_reg(ast); 798e7d70cd4SThomas Zimmermann ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info); 79971d873ccSThomas Zimmermann } 800b48e1b6fSThomas Zimmermann 80171d873ccSThomas Zimmermann static void 80271d873ccSThomas Zimmermann ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, 80371d873ccSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 80471d873ccSThomas Zimmermann { 805b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 806b48e1b6fSThomas Zimmermann } 807b48e1b6fSThomas Zimmermann 808b48e1b6fSThomas Zimmermann static void 809b48e1b6fSThomas Zimmermann ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, 810b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 811b48e1b6fSThomas Zimmermann { 812b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 813b48e1b6fSThomas Zimmermann } 814312fec14SDave Airlie 815312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 816b48e1b6fSThomas Zimmermann .atomic_check = ast_crtc_helper_atomic_check, 817b48e1b6fSThomas Zimmermann .atomic_begin = ast_crtc_helper_atomic_begin, 818b48e1b6fSThomas Zimmermann .atomic_flush = ast_crtc_helper_atomic_flush, 819b48e1b6fSThomas Zimmermann .atomic_enable = ast_crtc_helper_atomic_enable, 820b48e1b6fSThomas Zimmermann .atomic_disable = ast_crtc_helper_atomic_disable, 821312fec14SDave Airlie }; 822312fec14SDave Airlie 823f0adbc38SThomas Zimmermann static void ast_crtc_reset(struct drm_crtc *crtc) 824f0adbc38SThomas Zimmermann { 825f0adbc38SThomas Zimmermann struct ast_crtc_state *ast_state = 826f0adbc38SThomas Zimmermann kzalloc(sizeof(*ast_state), GFP_KERNEL); 827f0adbc38SThomas Zimmermann 828f0adbc38SThomas Zimmermann if (crtc->state) 829f0adbc38SThomas Zimmermann crtc->funcs->atomic_destroy_state(crtc, crtc->state); 830f0adbc38SThomas Zimmermann 831f0adbc38SThomas Zimmermann __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); 832f0adbc38SThomas Zimmermann } 833f0adbc38SThomas Zimmermann 83483be6a3cSThomas Zimmermann static struct drm_crtc_state * 83583be6a3cSThomas Zimmermann ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) 83683be6a3cSThomas Zimmermann { 837e7d70cd4SThomas Zimmermann struct ast_crtc_state *new_ast_state, *ast_state; 8381a19b4cbSThomas Zimmermann struct drm_device *dev = crtc->dev; 83983be6a3cSThomas Zimmermann 8401a19b4cbSThomas Zimmermann if (drm_WARN_ON(dev, !crtc->state)) 84183be6a3cSThomas Zimmermann return NULL; 84283be6a3cSThomas Zimmermann 84383be6a3cSThomas Zimmermann new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL); 84483be6a3cSThomas Zimmermann if (!new_ast_state) 84583be6a3cSThomas Zimmermann return NULL; 84683be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base); 84783be6a3cSThomas Zimmermann 848e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(crtc->state); 849e7d70cd4SThomas Zimmermann 8503339fdf5SThomas Zimmermann new_ast_state->format = ast_state->format; 851e7d70cd4SThomas Zimmermann memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info, 852e7d70cd4SThomas Zimmermann sizeof(new_ast_state->vbios_mode_info)); 853e7d70cd4SThomas Zimmermann 85483be6a3cSThomas Zimmermann return &new_ast_state->base; 85583be6a3cSThomas Zimmermann } 85683be6a3cSThomas Zimmermann 85783be6a3cSThomas Zimmermann static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc, 85883be6a3cSThomas Zimmermann struct drm_crtc_state *state) 85983be6a3cSThomas Zimmermann { 86083be6a3cSThomas Zimmermann struct ast_crtc_state *ast_state = to_ast_crtc_state(state); 86183be6a3cSThomas Zimmermann 86283be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_destroy_state(&ast_state->base); 86383be6a3cSThomas Zimmermann kfree(ast_state); 86483be6a3cSThomas Zimmermann } 86583be6a3cSThomas Zimmermann 866312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 867f0adbc38SThomas Zimmermann .reset = ast_crtc_reset, 8684961eb60SThomas Zimmermann .gamma_set = drm_atomic_helper_legacy_gamma_set, 8696a470dc2SThomas Zimmermann .destroy = drm_crtc_cleanup, 8704961eb60SThomas Zimmermann .set_config = drm_atomic_helper_set_config, 8714961eb60SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, 87283be6a3cSThomas Zimmermann .atomic_duplicate_state = ast_crtc_atomic_duplicate_state, 87383be6a3cSThomas Zimmermann .atomic_destroy_state = ast_crtc_atomic_destroy_state, 874312fec14SDave Airlie }; 875312fec14SDave Airlie 8767f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 877312fec14SDave Airlie { 878fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 8796a470dc2SThomas Zimmermann struct drm_crtc *crtc = &ast->crtc; 880a6ff807bSThomas Zimmermann int ret; 881312fec14SDave Airlie 882c35da0edSThomas Zimmermann ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane, 88302f3bb75SThomas Zimmermann &ast->cursor_plane, &ast_crtc_funcs, 88402f3bb75SThomas Zimmermann NULL); 885a6ff807bSThomas Zimmermann if (ret) 8866a470dc2SThomas Zimmermann return ret; 887a6ff807bSThomas Zimmermann 888c35da0edSThomas Zimmermann drm_mode_crtc_set_gamma_size(crtc, 256); 889c35da0edSThomas Zimmermann drm_crtc_helper_add(crtc, &ast_crtc_helper_funcs); 890c35da0edSThomas Zimmermann 891312fec14SDave Airlie return 0; 892312fec14SDave Airlie } 893312fec14SDave Airlie 8944961eb60SThomas Zimmermann /* 8954961eb60SThomas Zimmermann * Encoder 8964961eb60SThomas Zimmermann */ 8974961eb60SThomas Zimmermann 8987f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 899312fec14SDave Airlie { 900fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 9014220fdf0SThomas Zimmermann struct drm_encoder *encoder = &ast->encoder; 9024220fdf0SThomas Zimmermann int ret; 903312fec14SDave Airlie 9044220fdf0SThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC); 9054220fdf0SThomas Zimmermann if (ret) 9064220fdf0SThomas Zimmermann return ret; 907312fec14SDave Airlie 9084220fdf0SThomas Zimmermann encoder->possible_crtcs = 1; 909312fec14SDave Airlie 910312fec14SDave Airlie return 0; 911312fec14SDave Airlie } 912312fec14SDave Airlie 9134961eb60SThomas Zimmermann /* 9144961eb60SThomas Zimmermann * Connector 9154961eb60SThomas Zimmermann */ 9164961eb60SThomas Zimmermann 917312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 918312fec14SDave Airlie { 919312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 920fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(connector->dev); 921312fec14SDave Airlie struct edid *edid; 922312fec14SDave Airlie int ret; 92383c6620bSDave Airlie bool flags = false; 92483c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 92583c6620bSDave Airlie ast->dp501_maxclk = 0xff; 92683c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 92783c6620bSDave Airlie if (!edid) 92883c6620bSDave Airlie return -ENOMEM; 929312fec14SDave Airlie 93083c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 93183c6620bSDave Airlie if (flags) 93283c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 93383c6620bSDave Airlie else 93483c6620bSDave Airlie kfree(edid); 93583c6620bSDave Airlie } 93683c6620bSDave Airlie if (!flags) 937312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 938312fec14SDave Airlie if (edid) { 939c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 940312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 941993dcb05SJani Nikula kfree(edid); 942312fec14SDave Airlie return ret; 943312fec14SDave Airlie } else 944c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 945312fec14SDave Airlie return 0; 946312fec14SDave Airlie } 947312fec14SDave Airlie 948602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 949312fec14SDave Airlie struct drm_display_mode *mode) 950312fec14SDave Airlie { 951fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(connector->dev); 952f1f62f2cSDave Airlie int flags = MODE_NOMODE; 953f1f62f2cSDave Airlie uint32_t jtemp; 954f1f62f2cSDave Airlie 955f1f62f2cSDave Airlie if (ast->support_wide_screen) { 956f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 957312fec14SDave Airlie return MODE_OK; 958f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 959f1f62f2cSDave Airlie return MODE_OK; 960f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 961f1f62f2cSDave Airlie return MODE_OK; 962f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 963f1f62f2cSDave Airlie return MODE_OK; 964f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 965f1f62f2cSDave Airlie return MODE_OK; 966f1f62f2cSDave Airlie 9679f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 9689f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 96905f13f5bSThomas Zimmermann (ast->chip == AST2500)) { 970f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 971f1f62f2cSDave Airlie return MODE_OK; 972f1f62f2cSDave Airlie 973f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 974f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 975f1f62f2cSDave Airlie if (jtemp & 0x01) 976f1f62f2cSDave Airlie return MODE_NOMODE; 977f1f62f2cSDave Airlie else 978f1f62f2cSDave Airlie return MODE_OK; 979f1f62f2cSDave Airlie } 980f1f62f2cSDave Airlie } 981f1f62f2cSDave Airlie } 982f1f62f2cSDave Airlie switch (mode->hdisplay) { 983f1f62f2cSDave Airlie case 640: 984f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 985f1f62f2cSDave Airlie break; 986f1f62f2cSDave Airlie case 800: 987f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 988f1f62f2cSDave Airlie break; 989f1f62f2cSDave Airlie case 1024: 990f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 991f1f62f2cSDave Airlie break; 992f1f62f2cSDave Airlie case 1280: 993f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 994f1f62f2cSDave Airlie break; 995f1f62f2cSDave Airlie case 1600: 996f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 997f1f62f2cSDave Airlie break; 998f1f62f2cSDave Airlie default: 999f1f62f2cSDave Airlie return flags; 1000f1f62f2cSDave Airlie } 1001f1f62f2cSDave Airlie 1002f1f62f2cSDave Airlie return flags; 1003312fec14SDave Airlie } 1004312fec14SDave Airlie 1005312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 1006312fec14SDave Airlie { 1007312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 1008312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 1009312fec14SDave Airlie drm_connector_cleanup(connector); 1010312fec14SDave Airlie } 1011312fec14SDave Airlie 1012312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 1013312fec14SDave Airlie .get_modes = ast_get_modes, 10144961eb60SThomas Zimmermann .mode_valid = ast_mode_valid, 1015312fec14SDave Airlie }; 1016312fec14SDave Airlie 1017312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 10184961eb60SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 1019312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 1020312fec14SDave Airlie .destroy = ast_connector_destroy, 10214961eb60SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 10224961eb60SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1023312fec14SDave Airlie }; 1024312fec14SDave Airlie 10257f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 1026312fec14SDave Airlie { 10276a470dc2SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 10286a470dc2SThomas Zimmermann struct ast_connector *ast_connector = &ast->connector; 10296a470dc2SThomas Zimmermann struct drm_connector *connector = &ast_connector->base; 10306a470dc2SThomas Zimmermann struct drm_encoder *encoder = &ast->encoder; 1031312fec14SDave Airlie 1032350fd554SAndrzej Pietrasiewicz ast_connector->i2c = ast_i2c_create(dev); 1033350fd554SAndrzej Pietrasiewicz if (!ast_connector->i2c) 10341a19b4cbSThomas Zimmermann drm_err(dev, "failed to add ddc bus for connector\n"); 1035350fd554SAndrzej Pietrasiewicz 1036350fd554SAndrzej Pietrasiewicz drm_connector_init_with_ddc(dev, connector, 1037350fd554SAndrzej Pietrasiewicz &ast_connector_funcs, 1038350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 1039350fd554SAndrzej Pietrasiewicz &ast_connector->i2c->adapter); 1040312fec14SDave Airlie 1041312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 1042312fec14SDave Airlie 1043312fec14SDave Airlie connector->interlace_allowed = 0; 1044312fec14SDave Airlie connector->doublescan_allowed = 0; 1045312fec14SDave Airlie 1046312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1047312fec14SDave Airlie 1048cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 1049312fec14SDave Airlie 1050312fec14SDave Airlie return 0; 1051312fec14SDave Airlie } 1052312fec14SDave Airlie 1053e6949ff3SThomas Zimmermann /* 1054e6949ff3SThomas Zimmermann * Mode config 1055e6949ff3SThomas Zimmermann */ 1056e6949ff3SThomas Zimmermann 1057e6949ff3SThomas Zimmermann static const struct drm_mode_config_funcs ast_mode_config_funcs = { 1058e6949ff3SThomas Zimmermann .fb_create = drm_gem_fb_create, 1059e6949ff3SThomas Zimmermann .mode_valid = drm_vram_helper_mode_valid, 1060e6949ff3SThomas Zimmermann .atomic_check = drm_atomic_helper_check, 1061e6949ff3SThomas Zimmermann .atomic_commit = drm_atomic_helper_commit, 1062e6949ff3SThomas Zimmermann }; 1063e6949ff3SThomas Zimmermann 1064e6949ff3SThomas Zimmermann int ast_mode_config_init(struct ast_private *ast) 1065312fec14SDave Airlie { 1066e0f5a738SThomas Zimmermann struct drm_device *dev = &ast->base; 1067a6ff807bSThomas Zimmermann int ret; 1068a6ff807bSThomas Zimmermann 10696bb18c9bSThomas Zimmermann ret = ast_cursor_init(ast); 10706bb18c9bSThomas Zimmermann if (ret) 10716bb18c9bSThomas Zimmermann return ret; 10726bb18c9bSThomas Zimmermann 1073e6949ff3SThomas Zimmermann ret = drmm_mode_config_init(dev); 1074e6949ff3SThomas Zimmermann if (ret) 1075e6949ff3SThomas Zimmermann return ret; 1076e6949ff3SThomas Zimmermann 1077e6949ff3SThomas Zimmermann dev->mode_config.funcs = &ast_mode_config_funcs; 1078e6949ff3SThomas Zimmermann dev->mode_config.min_width = 0; 1079e6949ff3SThomas Zimmermann dev->mode_config.min_height = 0; 1080e6949ff3SThomas Zimmermann dev->mode_config.preferred_depth = 24; 1081e6949ff3SThomas Zimmermann dev->mode_config.prefer_shadow = 1; 108221d79b69SThomas Zimmermann dev->mode_config.fb_base = pci_resource_start(dev->pdev, 0); 1083e6949ff3SThomas Zimmermann 1084e6949ff3SThomas Zimmermann if (ast->chip == AST2100 || 1085e6949ff3SThomas Zimmermann ast->chip == AST2200 || 1086e6949ff3SThomas Zimmermann ast->chip == AST2300 || 1087e6949ff3SThomas Zimmermann ast->chip == AST2400 || 1088e6949ff3SThomas Zimmermann ast->chip == AST2500) { 1089e6949ff3SThomas Zimmermann dev->mode_config.max_width = 1920; 1090e6949ff3SThomas Zimmermann dev->mode_config.max_height = 2048; 1091e6949ff3SThomas Zimmermann } else { 1092e6949ff3SThomas Zimmermann dev->mode_config.max_width = 1600; 1093e6949ff3SThomas Zimmermann dev->mode_config.max_height = 1200; 1094e6949ff3SThomas Zimmermann } 1095e6949ff3SThomas Zimmermann 1096a6ff807bSThomas Zimmermann memset(&ast->primary_plane, 0, sizeof(ast->primary_plane)); 1097a6ff807bSThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01, 1098a6ff807bSThomas Zimmermann &ast_primary_plane_funcs, 1099a6ff807bSThomas Zimmermann ast_primary_plane_formats, 1100a6ff807bSThomas Zimmermann ARRAY_SIZE(ast_primary_plane_formats), 1101a6ff807bSThomas Zimmermann NULL, DRM_PLANE_TYPE_PRIMARY, NULL); 1102a6ff807bSThomas Zimmermann if (ret) { 11031a19b4cbSThomas Zimmermann drm_err(dev, "ast: drm_universal_plane_init() failed: %d\n", ret); 1104a6ff807bSThomas Zimmermann return ret; 1105a6ff807bSThomas Zimmermann } 1106a6ff807bSThomas Zimmermann drm_plane_helper_add(&ast->primary_plane, 1107a6ff807bSThomas Zimmermann &ast_primary_plane_helper_funcs); 1108a6ff807bSThomas Zimmermann 110902f3bb75SThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->cursor_plane, 0x01, 111002f3bb75SThomas Zimmermann &ast_cursor_plane_funcs, 111102f3bb75SThomas Zimmermann ast_cursor_plane_formats, 111202f3bb75SThomas Zimmermann ARRAY_SIZE(ast_cursor_plane_formats), 111302f3bb75SThomas Zimmermann NULL, DRM_PLANE_TYPE_CURSOR, NULL); 111402f3bb75SThomas Zimmermann if (ret) { 11151a19b4cbSThomas Zimmermann drm_err(dev, "drm_universal_plane_failed(): %d\n", ret); 111602f3bb75SThomas Zimmermann return ret; 111702f3bb75SThomas Zimmermann } 111802f3bb75SThomas Zimmermann drm_plane_helper_add(&ast->cursor_plane, 111902f3bb75SThomas Zimmermann &ast_cursor_plane_helper_funcs); 112002f3bb75SThomas Zimmermann 1121312fec14SDave Airlie ast_crtc_init(dev); 1122312fec14SDave Airlie ast_encoder_init(dev); 1123312fec14SDave Airlie ast_connector_init(dev); 1124a6ff807bSThomas Zimmermann 1125e6949ff3SThomas Zimmermann drm_mode_config_reset(dev); 1126e6949ff3SThomas Zimmermann 1127312fec14SDave Airlie return 0; 1128312fec14SDave Airlie } 1129312fec14SDave Airlie 1130312fec14SDave Airlie static int get_clock(void *i2c_priv) 1131312fec14SDave Airlie { 1132312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1133fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 113430062562SY.C. Chen uint32_t val, val2, count, pass; 1135312fec14SDave Airlie 113630062562SY.C. Chen count = 0; 113730062562SY.C. Chen pass = 0; 113830062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 113930062562SY.C. Chen do { 114030062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 114130062562SY.C. Chen if (val == val2) { 114230062562SY.C. Chen pass++; 114330062562SY.C. Chen } else { 114430062562SY.C. Chen pass = 0; 114530062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 114630062562SY.C. Chen } 114730062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 114830062562SY.C. Chen 1149312fec14SDave Airlie return val & 1 ? 1 : 0; 1150312fec14SDave Airlie } 1151312fec14SDave Airlie 1152312fec14SDave Airlie static int get_data(void *i2c_priv) 1153312fec14SDave Airlie { 1154312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1155fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 115630062562SY.C. Chen uint32_t val, val2, count, pass; 1157312fec14SDave Airlie 115830062562SY.C. Chen count = 0; 115930062562SY.C. Chen pass = 0; 116030062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 116130062562SY.C. Chen do { 116230062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 116330062562SY.C. Chen if (val == val2) { 116430062562SY.C. Chen pass++; 116530062562SY.C. Chen } else { 116630062562SY.C. Chen pass = 0; 116730062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 116830062562SY.C. Chen } 116930062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 117030062562SY.C. Chen 1171312fec14SDave Airlie return val & 1 ? 1 : 0; 1172312fec14SDave Airlie } 1173312fec14SDave Airlie 1174312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 1175312fec14SDave Airlie { 1176312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1177fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 1178312fec14SDave Airlie int i; 1179312fec14SDave Airlie u8 ujcrb7, jtemp; 1180312fec14SDave Airlie 1181312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1182312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 118330062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1184312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1185312fec14SDave Airlie if (ujcrb7 == jtemp) 1186312fec14SDave Airlie break; 1187312fec14SDave Airlie } 1188312fec14SDave Airlie } 1189312fec14SDave Airlie 1190312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1191312fec14SDave Airlie { 1192312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1193fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 1194312fec14SDave Airlie int i; 1195312fec14SDave Airlie u8 ujcrb7, jtemp; 1196312fec14SDave Airlie 1197312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1198312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 119930062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1200312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1201312fec14SDave Airlie if (ujcrb7 == jtemp) 1202312fec14SDave Airlie break; 1203312fec14SDave Airlie } 1204312fec14SDave Airlie } 1205312fec14SDave Airlie 1206312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1207312fec14SDave Airlie { 1208312fec14SDave Airlie struct ast_i2c_chan *i2c; 1209312fec14SDave Airlie int ret; 1210312fec14SDave Airlie 1211312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1212312fec14SDave Airlie if (!i2c) 1213312fec14SDave Airlie return NULL; 1214312fec14SDave Airlie 1215312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1216312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1217312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1218312fec14SDave Airlie i2c->dev = dev; 1219312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1220312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1221312fec14SDave Airlie "AST i2c bit bus"); 1222312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1223312fec14SDave Airlie 1224312fec14SDave Airlie i2c->bit.udelay = 20; 1225312fec14SDave Airlie i2c->bit.timeout = 2; 1226312fec14SDave Airlie i2c->bit.data = i2c; 1227312fec14SDave Airlie i2c->bit.setsda = set_data; 1228312fec14SDave Airlie i2c->bit.setscl = set_clock; 1229312fec14SDave Airlie i2c->bit.getsda = get_data; 1230312fec14SDave Airlie i2c->bit.getscl = get_clock; 1231312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1232312fec14SDave Airlie if (ret) { 12331a19b4cbSThomas Zimmermann drm_err(dev, "Failed to register bit i2c\n"); 1234312fec14SDave Airlie goto out_free; 1235312fec14SDave Airlie } 1236312fec14SDave Airlie 1237312fec14SDave Airlie return i2c; 1238312fec14SDave Airlie out_free: 1239312fec14SDave Airlie kfree(i2c); 1240312fec14SDave Airlie return NULL; 1241312fec14SDave Airlie } 1242312fec14SDave Airlie 1243312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1244312fec14SDave Airlie { 1245312fec14SDave Airlie if (!i2c) 1246312fec14SDave Airlie return; 1247312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1248312fec14SDave Airlie kfree(i2c); 1249312fec14SDave Airlie } 1250