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 34760285e7SDavid Howells #include <drm/drm_crtc.h> 35760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 36fbbbd160SSam Ravnborg #include <drm/drm_fourcc.h> 37fbbbd160SSam Ravnborg #include <drm/drm_gem_vram_helper.h> 383cb9ae4fSDaniel Vetter #include <drm/drm_plane_helper.h> 39fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 40312fec14SDave Airlie 41fbbbd160SSam Ravnborg #include "ast_drv.h" 42312fec14SDave Airlie #include "ast_tables.h" 43312fec14SDave Airlie 44312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 45312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c); 46312fec14SDave Airlie static int ast_cursor_set(struct drm_crtc *crtc, 47312fec14SDave Airlie struct drm_file *file_priv, 48312fec14SDave Airlie uint32_t handle, 49312fec14SDave Airlie uint32_t width, 50312fec14SDave Airlie uint32_t height); 51312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 52312fec14SDave Airlie int x, int y); 53312fec14SDave Airlie 54312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 55312fec14SDave Airlie u8 index, u8 red, u8 green, 56312fec14SDave Airlie u8 blue) 57312fec14SDave Airlie { 58312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 59312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 60312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 61312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 62312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 63312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 64312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 65312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 66312fec14SDave Airlie } 67312fec14SDave Airlie 68312fec14SDave Airlie static void ast_crtc_load_lut(struct drm_crtc *crtc) 69312fec14SDave Airlie { 70312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 713bffd962SPeter Rosin u16 *r, *g, *b; 72312fec14SDave Airlie int i; 73312fec14SDave Airlie 74312fec14SDave Airlie if (!crtc->enabled) 75312fec14SDave Airlie return; 76312fec14SDave Airlie 773bffd962SPeter Rosin r = crtc->gamma_store; 783bffd962SPeter Rosin g = r + crtc->gamma_size; 793bffd962SPeter Rosin b = g + crtc->gamma_size; 803bffd962SPeter Rosin 81312fec14SDave Airlie for (i = 0; i < 256; i++) 823bffd962SPeter Rosin ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); 83312fec14SDave Airlie } 84312fec14SDave Airlie 85312fec14SDave Airlie static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mode *mode, 86312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 87312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 88312fec14SDave Airlie { 89312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 907445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 91312fec14SDave Airlie u32 refresh_rate_index = 0, mode_id, color_index, refresh_rate; 9222acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 93312fec14SDave Airlie u32 hborder, vborder; 9494d12b13SY.C. Chen bool check_sync; 95312fec14SDave Airlie 96272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 97312fec14SDave Airlie case 8: 98312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 99312fec14SDave Airlie color_index = VGAModeIndex - 1; 100312fec14SDave Airlie break; 101312fec14SDave Airlie case 16: 102312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 103312fec14SDave Airlie color_index = HiCModeIndex; 104312fec14SDave Airlie break; 105312fec14SDave Airlie case 24: 106312fec14SDave Airlie case 32: 107312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 108312fec14SDave Airlie color_index = TrueCModeIndex; 109312fec14SDave Airlie break; 110312fec14SDave Airlie default: 111312fec14SDave Airlie return false; 112312fec14SDave Airlie } 113312fec14SDave Airlie 114312fec14SDave Airlie switch (crtc->mode.crtc_hdisplay) { 115312fec14SDave Airlie case 640: 116312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 117312fec14SDave Airlie break; 118312fec14SDave Airlie case 800: 119312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 120312fec14SDave Airlie break; 121312fec14SDave Airlie case 1024: 122312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 123312fec14SDave Airlie break; 124312fec14SDave Airlie case 1280: 125312fec14SDave Airlie if (crtc->mode.crtc_vdisplay == 800) 126312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 127312fec14SDave Airlie else 128312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 129312fec14SDave Airlie break; 130f1f62f2cSDave Airlie case 1360: 131f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 132f1f62f2cSDave Airlie break; 133312fec14SDave Airlie case 1440: 134312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 135312fec14SDave Airlie break; 136312fec14SDave Airlie case 1600: 137f1f62f2cSDave Airlie if (crtc->mode.crtc_vdisplay == 900) 138f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 139f1f62f2cSDave Airlie else 140312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 141312fec14SDave Airlie break; 142312fec14SDave Airlie case 1680: 143312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 144312fec14SDave Airlie break; 145312fec14SDave Airlie case 1920: 146312fec14SDave Airlie if (crtc->mode.crtc_vdisplay == 1080) 147312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 148312fec14SDave Airlie else 149312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 150312fec14SDave Airlie break; 151312fec14SDave Airlie default: 152312fec14SDave Airlie return false; 153312fec14SDave Airlie } 154312fec14SDave Airlie 155312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 15694d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 15794d12b13SY.C. Chen do { 15822acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 15994d12b13SY.C. Chen 16094d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 16194d12b13SY.C. Chen if ((check_sync) && 16294d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 16394d12b13SY.C. Chen (loop->flags & PVSync)) || 16494d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 16594d12b13SY.C. Chen (loop->flags & NVSync)) || 16694d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 16794d12b13SY.C. Chen (loop->flags & PHSync)) || 16894d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 16994d12b13SY.C. Chen (loop->flags & NHSync)))) { 17094d12b13SY.C. Chen loop++; 17194d12b13SY.C. Chen continue; 17294d12b13SY.C. Chen } 17394d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 17494d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 17594d12b13SY.C. Chen best = loop; 17694d12b13SY.C. Chen loop++; 17794d12b13SY.C. Chen } 17894d12b13SY.C. Chen if (best || !check_sync) 179312fec14SDave Airlie break; 18094d12b13SY.C. Chen check_sync = 0; 18194d12b13SY.C. Chen } while (1); 18294d12b13SY.C. Chen if (best) 18394d12b13SY.C. Chen vbios_mode->enh_table = best; 184312fec14SDave Airlie 185312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 186312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 187312fec14SDave Airlie 188312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 189312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 190312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 191312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 192312fec14SDave Airlie vbios_mode->enh_table->hfp; 193312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 194312fec14SDave Airlie vbios_mode->enh_table->hfp + 195312fec14SDave Airlie vbios_mode->enh_table->hsync); 196312fec14SDave Airlie 197312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 198312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 199312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 200312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 201312fec14SDave Airlie vbios_mode->enh_table->vfp; 202312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 203312fec14SDave Airlie vbios_mode->enh_table->vfp + 204312fec14SDave Airlie vbios_mode->enh_table->vsync); 205312fec14SDave Airlie 206312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 207312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 208312fec14SDave Airlie 209312fec14SDave Airlie if (ast->chip == AST1180) { 210312fec14SDave Airlie /* TODO 1180 */ 211312fec14SDave Airlie } else { 212312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0xf) << 4)); 213312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 214312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 215312fec14SDave Airlie 216f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 217f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 218312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 219272725c7SVille Syrjälä ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, 220272725c7SVille Syrjälä fb->format->cpp[0] * 8); 221312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 222312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 223312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 224312fec14SDave Airlie 225312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 226312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 227312fec14SDave Airlie } 228f1f62f2cSDave Airlie } 229312fec14SDave Airlie 230312fec14SDave Airlie return true; 231312fec14SDave Airlie 232312fec14SDave Airlie 233312fec14SDave Airlie } 234312fec14SDave Airlie static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 235312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 236312fec14SDave Airlie { 237312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 23822acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 239312fec14SDave Airlie u32 i; 240312fec14SDave Airlie u8 jreg; 241312fec14SDave Airlie 242312fec14SDave Airlie stdtable = vbios_mode->std_table; 243312fec14SDave Airlie 244312fec14SDave Airlie jreg = stdtable->misc; 245312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 246312fec14SDave Airlie 247312fec14SDave Airlie /* Set SEQ */ 248312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 249312fec14SDave Airlie for (i = 0; i < 4; i++) { 250312fec14SDave Airlie jreg = stdtable->seq[i]; 251312fec14SDave Airlie if (!i) 252312fec14SDave Airlie jreg |= 0x20; 253312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 254312fec14SDave Airlie } 255312fec14SDave Airlie 256312fec14SDave Airlie /* Set CRTC */ 257312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 258312fec14SDave Airlie for (i = 0; i < 25; i++) 259312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 260312fec14SDave Airlie 261312fec14SDave Airlie /* set AR */ 262312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 263312fec14SDave Airlie for (i = 0; i < 20; i++) { 264312fec14SDave Airlie jreg = stdtable->ar[i]; 265312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 266312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 267312fec14SDave Airlie } 268312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 269312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 270312fec14SDave Airlie 271312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 272312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 273312fec14SDave Airlie 274312fec14SDave Airlie /* Set GR */ 275312fec14SDave Airlie for (i = 0; i < 9; i++) 276312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 277312fec14SDave Airlie } 278312fec14SDave Airlie 279312fec14SDave Airlie static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 280312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 281312fec14SDave Airlie { 282312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 283312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 2849f93c8b3SY.C. Chen u16 temp, precache = 0; 2859f93c8b3SY.C. Chen 2869f93c8b3SY.C. Chen if ((ast->chip == AST2500) && 2879f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 2889f93c8b3SY.C. Chen precache = 40; 289312fec14SDave Airlie 290312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 291312fec14SDave Airlie 292312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 293312fec14SDave Airlie if (temp & 0x100) 294312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 295312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 296312fec14SDave Airlie 297312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 298312fec14SDave Airlie if (temp & 0x100) 299312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 300312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 301312fec14SDave Airlie 302312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 303312fec14SDave Airlie if (temp & 0x100) 304312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 305312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 306312fec14SDave Airlie 307312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 308312fec14SDave Airlie if (temp & 0x20) 309312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 310312fec14SDave Airlie if (temp & 0x40) 311312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 312312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 313312fec14SDave Airlie 3149f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 315312fec14SDave Airlie if (temp & 0x100) 316312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 317312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 318312fec14SDave Airlie 3199f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 320312fec14SDave Airlie if (temp & 0x20) 321312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 322312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 323312fec14SDave Airlie 324312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 325312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 326312fec14SDave Airlie 327312fec14SDave Airlie /* vert timings */ 328312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 329312fec14SDave Airlie if (temp & 0x100) 330312fec14SDave Airlie jreg07 |= 0x01; 331312fec14SDave Airlie if (temp & 0x200) 332312fec14SDave Airlie jreg07 |= 0x20; 333312fec14SDave Airlie if (temp & 0x400) 334312fec14SDave Airlie jregAE |= 0x01; 335312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 336312fec14SDave Airlie 337312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 338312fec14SDave Airlie if (temp & 0x100) 339312fec14SDave Airlie jreg07 |= 0x04; 340312fec14SDave Airlie if (temp & 0x200) 341312fec14SDave Airlie jreg07 |= 0x80; 342312fec14SDave Airlie if (temp & 0x400) 343312fec14SDave Airlie jregAE |= 0x08; 344312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 345312fec14SDave Airlie 346312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 347312fec14SDave Airlie if (temp & 0x10) 348312fec14SDave Airlie jregAE |= 0x20; 349312fec14SDave Airlie if (temp & 0x20) 350312fec14SDave Airlie jregAE |= 0x40; 351312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 352312fec14SDave Airlie 353312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 354312fec14SDave Airlie if (temp & 0x100) 355312fec14SDave Airlie jreg07 |= 0x02; 356312fec14SDave Airlie if (temp & 0x200) 357312fec14SDave Airlie jreg07 |= 0x40; 358312fec14SDave Airlie if (temp & 0x400) 359312fec14SDave Airlie jregAE |= 0x02; 360312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 361312fec14SDave Airlie 362312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 363312fec14SDave Airlie if (temp & 0x100) 364312fec14SDave Airlie jreg07 |= 0x08; 365312fec14SDave Airlie if (temp & 0x200) 366312fec14SDave Airlie jreg09 |= 0x20; 367312fec14SDave Airlie if (temp & 0x400) 368312fec14SDave Airlie jregAE |= 0x04; 369312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 370312fec14SDave Airlie 371312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 372312fec14SDave Airlie if (temp & 0x100) 373312fec14SDave Airlie jregAE |= 0x10; 374312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 375312fec14SDave Airlie 376312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 377312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 378312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 379312fec14SDave Airlie 3809f93c8b3SY.C. Chen if (precache) 3819f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 3829f93c8b3SY.C. Chen else 3839f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 3849f93c8b3SY.C. Chen 385312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 386312fec14SDave Airlie } 387312fec14SDave Airlie 388312fec14SDave Airlie static void ast_set_offset_reg(struct drm_crtc *crtc) 389312fec14SDave Airlie { 390312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 3917445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 392312fec14SDave Airlie 393312fec14SDave Airlie u16 offset; 394312fec14SDave Airlie 3957445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 396312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 397312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 398312fec14SDave Airlie } 399312fec14SDave Airlie 400312fec14SDave Airlie static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mode, 401312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 402312fec14SDave Airlie { 403312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 40422acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 405312fec14SDave Airlie 4069f93c8b3SY.C. Chen if (ast->chip == AST2500) 4079f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4089f93c8b3SY.C. Chen else 409312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 410312fec14SDave Airlie 411312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 412312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 413312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4149f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4159f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 416312fec14SDave Airlie } 417312fec14SDave Airlie 418312fec14SDave Airlie static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 419312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 420312fec14SDave Airlie { 421312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 4227445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 423312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 424312fec14SDave Airlie 425272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 426312fec14SDave Airlie case 8: 427312fec14SDave Airlie jregA0 = 0x70; 428312fec14SDave Airlie jregA3 = 0x01; 429312fec14SDave Airlie jregA8 = 0x00; 430312fec14SDave Airlie break; 431312fec14SDave Airlie case 15: 432312fec14SDave Airlie case 16: 433312fec14SDave Airlie jregA0 = 0x70; 434312fec14SDave Airlie jregA3 = 0x04; 435312fec14SDave Airlie jregA8 = 0x02; 436312fec14SDave Airlie break; 437312fec14SDave Airlie case 32: 438312fec14SDave Airlie jregA0 = 0x70; 439312fec14SDave Airlie jregA3 = 0x08; 440312fec14SDave Airlie jregA8 = 0x02; 441312fec14SDave Airlie break; 442312fec14SDave Airlie } 443312fec14SDave Airlie 444312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 445312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 446312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 447312fec14SDave Airlie 448312fec14SDave Airlie /* Set Threshold */ 4499f93c8b3SY.C. Chen if (ast->chip == AST2300 || ast->chip == AST2400 || 4509f93c8b3SY.C. Chen ast->chip == AST2500) { 451312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 452312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 453312fec14SDave Airlie } else if (ast->chip == AST2100 || 454312fec14SDave Airlie ast->chip == AST1100 || 455312fec14SDave Airlie ast->chip == AST2200 || 456312fec14SDave Airlie ast->chip == AST2150) { 457312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 458312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 459312fec14SDave Airlie } else { 460312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 461312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 462312fec14SDave Airlie } 463312fec14SDave Airlie } 464312fec14SDave Airlie 4657f5ccd44SRashika static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mode, 466312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 467312fec14SDave Airlie { 468312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 469312fec14SDave Airlie u8 jreg; 470312fec14SDave Airlie 471312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 47294d12b13SY.C. Chen jreg &= ~0xC0; 47394d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 47494d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 475312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 476312fec14SDave Airlie } 477312fec14SDave Airlie 4787f5ccd44SRashika static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 479312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 480312fec14SDave Airlie { 4817445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 4827445283aSVille Syrjälä 483272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 484312fec14SDave Airlie case 8: 485312fec14SDave Airlie break; 486312fec14SDave Airlie default: 487312fec14SDave Airlie return false; 488312fec14SDave Airlie } 489312fec14SDave Airlie return true; 490312fec14SDave Airlie } 491312fec14SDave Airlie 4927f5ccd44SRashika static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset) 493312fec14SDave Airlie { 494312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 495312fec14SDave Airlie u32 addr; 496312fec14SDave Airlie 497312fec14SDave Airlie addr = offset >> 2; 498312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 499312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 500312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 501312fec14SDave Airlie 502312fec14SDave Airlie } 503312fec14SDave Airlie 504312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 505312fec14SDave Airlie { 506312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 507312fec14SDave Airlie 508312fec14SDave Airlie if (ast->chip == AST1180) 509312fec14SDave Airlie return; 510312fec14SDave Airlie 511312fec14SDave Airlie switch (mode) { 512312fec14SDave Airlie case DRM_MODE_DPMS_ON: 513312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 514312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 515312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 51683c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 51783c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 518312fec14SDave Airlie ast_crtc_load_lut(crtc); 519312fec14SDave Airlie break; 520312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 52183c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 52283c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 523312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 524312fec14SDave Airlie break; 525312fec14SDave Airlie } 526312fec14SDave Airlie } 527312fec14SDave Airlie 528312fec14SDave Airlie static int ast_crtc_do_set_base(struct drm_crtc *crtc, 529312fec14SDave Airlie struct drm_framebuffer *fb, 530312fec14SDave Airlie int x, int y, int atomic) 531312fec14SDave Airlie { 5325b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 533312fec14SDave Airlie int ret; 5345b370979SThomas Zimmermann s64 gpu_addr; 535312fec14SDave Airlie 536312fec14SDave Airlie if (!atomic && fb) { 5375ed7191dSThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 53881da87f6SThomas Zimmermann drm_gem_vram_unpin(gbo); 539312fec14SDave Airlie } 540312fec14SDave Airlie 5415ed7191dSThomas Zimmermann gbo = drm_gem_vram_of_gem(crtc->primary->fb->obj[0]); 542312fec14SDave Airlie 5435b370979SThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); 5445b370979SThomas Zimmermann if (ret) 5455b24f715SThomas Zimmermann return ret; 5465b370979SThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 5475b370979SThomas Zimmermann if (gpu_addr < 0) { 5485b370979SThomas Zimmermann ret = (int)gpu_addr; 5495b370979SThomas Zimmermann goto err_drm_gem_vram_unpin; 550312fec14SDave Airlie } 551312fec14SDave Airlie 5521a37bd82SY.C. Chen ast_set_offset_reg(crtc); 553312fec14SDave Airlie ast_set_start_address_crt1(crtc, (u32)gpu_addr); 554312fec14SDave Airlie 555312fec14SDave Airlie return 0; 5565b370979SThomas Zimmermann 5575b370979SThomas Zimmermann err_drm_gem_vram_unpin: 5585b370979SThomas Zimmermann drm_gem_vram_unpin(gbo); 5595b370979SThomas Zimmermann return ret; 560312fec14SDave Airlie } 561312fec14SDave Airlie 562312fec14SDave Airlie static int ast_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 563312fec14SDave Airlie struct drm_framebuffer *old_fb) 564312fec14SDave Airlie { 565312fec14SDave Airlie return ast_crtc_do_set_base(crtc, old_fb, x, y, 0); 566312fec14SDave Airlie } 567312fec14SDave Airlie 568312fec14SDave Airlie static int ast_crtc_mode_set(struct drm_crtc *crtc, 569312fec14SDave Airlie struct drm_display_mode *mode, 570312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 571312fec14SDave Airlie int x, int y, 572312fec14SDave Airlie struct drm_framebuffer *old_fb) 573312fec14SDave Airlie { 574312fec14SDave Airlie struct drm_device *dev = crtc->dev; 575312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 576312fec14SDave Airlie struct ast_vbios_mode_info vbios_mode; 577312fec14SDave Airlie bool ret; 578312fec14SDave Airlie if (ast->chip == AST1180) { 579312fec14SDave Airlie DRM_ERROR("AST 1180 modesetting not supported\n"); 580312fec14SDave Airlie return -EINVAL; 581312fec14SDave Airlie } 582312fec14SDave Airlie 583312fec14SDave Airlie ret = ast_get_vbios_mode_info(crtc, mode, adjusted_mode, &vbios_mode); 584312fec14SDave Airlie if (ret == false) 585312fec14SDave Airlie return -EINVAL; 586312fec14SDave Airlie ast_open_key(ast); 587312fec14SDave Airlie 58805b43971SY.C. Chen ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 589312fec14SDave Airlie 590312fec14SDave Airlie ast_set_std_reg(crtc, adjusted_mode, &vbios_mode); 591312fec14SDave Airlie ast_set_crtc_reg(crtc, adjusted_mode, &vbios_mode); 592312fec14SDave Airlie ast_set_offset_reg(crtc); 593312fec14SDave Airlie ast_set_dclk_reg(dev, adjusted_mode, &vbios_mode); 594312fec14SDave Airlie ast_set_ext_reg(crtc, adjusted_mode, &vbios_mode); 595312fec14SDave Airlie ast_set_sync_reg(dev, adjusted_mode, &vbios_mode); 596312fec14SDave Airlie ast_set_dac_reg(crtc, adjusted_mode, &vbios_mode); 597312fec14SDave Airlie 598312fec14SDave Airlie ast_crtc_mode_set_base(crtc, x, y, old_fb); 599312fec14SDave Airlie 600312fec14SDave Airlie return 0; 601312fec14SDave Airlie } 602312fec14SDave Airlie 603312fec14SDave Airlie static void ast_crtc_disable(struct drm_crtc *crtc) 604312fec14SDave Airlie { 605ab209c32SEgbert Eich DRM_DEBUG_KMS("\n"); 606ab209c32SEgbert Eich ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 607ab209c32SEgbert Eich if (crtc->primary->fb) { 6085ed7191dSThomas Zimmermann struct drm_framebuffer *fb = crtc->primary->fb; 6095ed7191dSThomas Zimmermann struct drm_gem_vram_object *gbo = 6105ed7191dSThomas Zimmermann drm_gem_vram_of_gem(fb->obj[0]); 611ab209c32SEgbert Eich 61281da87f6SThomas Zimmermann drm_gem_vram_unpin(gbo); 613ab209c32SEgbert Eich } 614ab209c32SEgbert Eich crtc->primary->fb = NULL; 615312fec14SDave Airlie } 616312fec14SDave Airlie 617312fec14SDave Airlie static void ast_crtc_prepare(struct drm_crtc *crtc) 618312fec14SDave Airlie { 619312fec14SDave Airlie 620312fec14SDave Airlie } 621312fec14SDave Airlie 622312fec14SDave Airlie static void ast_crtc_commit(struct drm_crtc *crtc) 623312fec14SDave Airlie { 624312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 625312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 62624b8ef69SDaniel Vetter ast_crtc_load_lut(crtc); 627312fec14SDave Airlie } 628312fec14SDave Airlie 629312fec14SDave Airlie 630312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 631312fec14SDave Airlie .dpms = ast_crtc_dpms, 632312fec14SDave Airlie .mode_set = ast_crtc_mode_set, 633312fec14SDave Airlie .mode_set_base = ast_crtc_mode_set_base, 634312fec14SDave Airlie .disable = ast_crtc_disable, 635312fec14SDave Airlie .prepare = ast_crtc_prepare, 636312fec14SDave Airlie .commit = ast_crtc_commit, 637312fec14SDave Airlie 638312fec14SDave Airlie }; 639312fec14SDave Airlie 640312fec14SDave Airlie static void ast_crtc_reset(struct drm_crtc *crtc) 641312fec14SDave Airlie { 642312fec14SDave Airlie 643312fec14SDave Airlie } 644312fec14SDave Airlie 6457ea77283SMaarten Lankhorst static int ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 6466d124ff8SDaniel Vetter u16 *blue, uint32_t size, 6476d124ff8SDaniel Vetter struct drm_modeset_acquire_ctx *ctx) 648312fec14SDave Airlie { 649312fec14SDave Airlie ast_crtc_load_lut(crtc); 6507ea77283SMaarten Lankhorst 6517ea77283SMaarten Lankhorst return 0; 652312fec14SDave Airlie } 653312fec14SDave Airlie 654312fec14SDave Airlie 655312fec14SDave Airlie static void ast_crtc_destroy(struct drm_crtc *crtc) 656312fec14SDave Airlie { 657312fec14SDave Airlie drm_crtc_cleanup(crtc); 658312fec14SDave Airlie kfree(crtc); 659312fec14SDave Airlie } 660312fec14SDave Airlie 661312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 662312fec14SDave Airlie .cursor_set = ast_cursor_set, 663312fec14SDave Airlie .cursor_move = ast_cursor_move, 664312fec14SDave Airlie .reset = ast_crtc_reset, 665312fec14SDave Airlie .set_config = drm_crtc_helper_set_config, 666312fec14SDave Airlie .gamma_set = ast_crtc_gamma_set, 667312fec14SDave Airlie .destroy = ast_crtc_destroy, 668312fec14SDave Airlie }; 669312fec14SDave Airlie 6707f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 671312fec14SDave Airlie { 672312fec14SDave Airlie struct ast_crtc *crtc; 673312fec14SDave Airlie 674312fec14SDave Airlie crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); 675312fec14SDave Airlie if (!crtc) 676312fec14SDave Airlie return -ENOMEM; 677312fec14SDave Airlie 678312fec14SDave Airlie drm_crtc_init(dev, &crtc->base, &ast_crtc_funcs); 679312fec14SDave Airlie drm_mode_crtc_set_gamma_size(&crtc->base, 256); 680312fec14SDave Airlie drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); 681312fec14SDave Airlie return 0; 682312fec14SDave Airlie } 683312fec14SDave Airlie 684312fec14SDave Airlie static void ast_encoder_destroy(struct drm_encoder *encoder) 685312fec14SDave Airlie { 686312fec14SDave Airlie drm_encoder_cleanup(encoder); 687312fec14SDave Airlie kfree(encoder); 688312fec14SDave Airlie } 689312fec14SDave Airlie 690312fec14SDave Airlie static const struct drm_encoder_funcs ast_enc_funcs = { 691312fec14SDave Airlie .destroy = ast_encoder_destroy, 692312fec14SDave Airlie }; 693312fec14SDave Airlie 694312fec14SDave Airlie static void ast_encoder_dpms(struct drm_encoder *encoder, int mode) 695312fec14SDave Airlie { 696312fec14SDave Airlie 697312fec14SDave Airlie } 698312fec14SDave Airlie 699312fec14SDave Airlie static void ast_encoder_mode_set(struct drm_encoder *encoder, 700312fec14SDave Airlie struct drm_display_mode *mode, 701312fec14SDave Airlie struct drm_display_mode *adjusted_mode) 702312fec14SDave Airlie { 703312fec14SDave Airlie } 704312fec14SDave Airlie 705312fec14SDave Airlie static void ast_encoder_prepare(struct drm_encoder *encoder) 706312fec14SDave Airlie { 707312fec14SDave Airlie 708312fec14SDave Airlie } 709312fec14SDave Airlie 710312fec14SDave Airlie static void ast_encoder_commit(struct drm_encoder *encoder) 711312fec14SDave Airlie { 712312fec14SDave Airlie 713312fec14SDave Airlie } 714312fec14SDave Airlie 715312fec14SDave Airlie 716312fec14SDave Airlie static const struct drm_encoder_helper_funcs ast_enc_helper_funcs = { 717312fec14SDave Airlie .dpms = ast_encoder_dpms, 718312fec14SDave Airlie .prepare = ast_encoder_prepare, 719312fec14SDave Airlie .commit = ast_encoder_commit, 720312fec14SDave Airlie .mode_set = ast_encoder_mode_set, 721312fec14SDave Airlie }; 722312fec14SDave Airlie 7237f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 724312fec14SDave Airlie { 725312fec14SDave Airlie struct ast_encoder *ast_encoder; 726312fec14SDave Airlie 727312fec14SDave Airlie ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL); 728312fec14SDave Airlie if (!ast_encoder) 729312fec14SDave Airlie return -ENOMEM; 730312fec14SDave Airlie 731312fec14SDave Airlie drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, 73213a3d91fSVille Syrjälä DRM_MODE_ENCODER_DAC, NULL); 733312fec14SDave Airlie drm_encoder_helper_add(&ast_encoder->base, &ast_enc_helper_funcs); 734312fec14SDave Airlie 735312fec14SDave Airlie ast_encoder->base.possible_crtcs = 1; 736312fec14SDave Airlie return 0; 737312fec14SDave Airlie } 738312fec14SDave Airlie 739312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 740312fec14SDave Airlie { 741312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 74283c6620bSDave Airlie struct ast_private *ast = connector->dev->dev_private; 743312fec14SDave Airlie struct edid *edid; 744312fec14SDave Airlie int ret; 74583c6620bSDave Airlie bool flags = false; 74683c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 74783c6620bSDave Airlie ast->dp501_maxclk = 0xff; 74883c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 74983c6620bSDave Airlie if (!edid) 75083c6620bSDave Airlie return -ENOMEM; 751312fec14SDave Airlie 75283c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 75383c6620bSDave Airlie if (flags) 75483c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 75583c6620bSDave Airlie else 75683c6620bSDave Airlie kfree(edid); 75783c6620bSDave Airlie } 75883c6620bSDave Airlie if (!flags) 759312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 760312fec14SDave Airlie if (edid) { 761c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 762312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 763993dcb05SJani Nikula kfree(edid); 764312fec14SDave Airlie return ret; 765312fec14SDave Airlie } else 766c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 767312fec14SDave Airlie return 0; 768312fec14SDave Airlie } 769312fec14SDave Airlie 770602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 771312fec14SDave Airlie struct drm_display_mode *mode) 772312fec14SDave Airlie { 773f1f62f2cSDave Airlie struct ast_private *ast = connector->dev->dev_private; 774f1f62f2cSDave Airlie int flags = MODE_NOMODE; 775f1f62f2cSDave Airlie uint32_t jtemp; 776f1f62f2cSDave Airlie 777f1f62f2cSDave Airlie if (ast->support_wide_screen) { 778f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 779312fec14SDave Airlie return MODE_OK; 780f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 781f1f62f2cSDave Airlie return MODE_OK; 782f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 783f1f62f2cSDave Airlie return MODE_OK; 784f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 785f1f62f2cSDave Airlie return MODE_OK; 786f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 787f1f62f2cSDave Airlie return MODE_OK; 788f1f62f2cSDave Airlie 7899f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 7909f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 7919f93c8b3SY.C. Chen (ast->chip == AST2500) || (ast->chip == AST1180)) { 792f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 793f1f62f2cSDave Airlie return MODE_OK; 794f1f62f2cSDave Airlie 795f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 796f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 797f1f62f2cSDave Airlie if (jtemp & 0x01) 798f1f62f2cSDave Airlie return MODE_NOMODE; 799f1f62f2cSDave Airlie else 800f1f62f2cSDave Airlie return MODE_OK; 801f1f62f2cSDave Airlie } 802f1f62f2cSDave Airlie } 803f1f62f2cSDave Airlie } 804f1f62f2cSDave Airlie switch (mode->hdisplay) { 805f1f62f2cSDave Airlie case 640: 806f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 807f1f62f2cSDave Airlie break; 808f1f62f2cSDave Airlie case 800: 809f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 810f1f62f2cSDave Airlie break; 811f1f62f2cSDave Airlie case 1024: 812f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 813f1f62f2cSDave Airlie break; 814f1f62f2cSDave Airlie case 1280: 815f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 816f1f62f2cSDave Airlie break; 817f1f62f2cSDave Airlie case 1600: 818f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 819f1f62f2cSDave Airlie break; 820f1f62f2cSDave Airlie default: 821f1f62f2cSDave Airlie return flags; 822f1f62f2cSDave Airlie } 823f1f62f2cSDave Airlie 824f1f62f2cSDave Airlie return flags; 825312fec14SDave Airlie } 826312fec14SDave Airlie 827312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 828312fec14SDave Airlie { 829312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 830312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 83134ea3d38SThomas Wood drm_connector_unregister(connector); 832312fec14SDave Airlie drm_connector_cleanup(connector); 833312fec14SDave Airlie kfree(connector); 834312fec14SDave Airlie } 835312fec14SDave Airlie 836312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 837312fec14SDave Airlie .mode_valid = ast_mode_valid, 838312fec14SDave Airlie .get_modes = ast_get_modes, 839312fec14SDave Airlie }; 840312fec14SDave Airlie 841312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 842312fec14SDave Airlie .dpms = drm_helper_connector_dpms, 843312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 844312fec14SDave Airlie .destroy = ast_connector_destroy, 845312fec14SDave Airlie }; 846312fec14SDave Airlie 8477f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 848312fec14SDave Airlie { 849312fec14SDave Airlie struct ast_connector *ast_connector; 850312fec14SDave Airlie struct drm_connector *connector; 851312fec14SDave Airlie struct drm_encoder *encoder; 852312fec14SDave Airlie 853312fec14SDave Airlie ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); 854312fec14SDave Airlie if (!ast_connector) 855312fec14SDave Airlie return -ENOMEM; 856312fec14SDave Airlie 857312fec14SDave Airlie connector = &ast_connector->base; 858350fd554SAndrzej Pietrasiewicz ast_connector->i2c = ast_i2c_create(dev); 859350fd554SAndrzej Pietrasiewicz if (!ast_connector->i2c) 860350fd554SAndrzej Pietrasiewicz DRM_ERROR("failed to add ddc bus for connector\n"); 861350fd554SAndrzej Pietrasiewicz 862350fd554SAndrzej Pietrasiewicz drm_connector_init_with_ddc(dev, connector, 863350fd554SAndrzej Pietrasiewicz &ast_connector_funcs, 864350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 865350fd554SAndrzej Pietrasiewicz &ast_connector->i2c->adapter); 866312fec14SDave Airlie 867312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 868312fec14SDave Airlie 869312fec14SDave Airlie connector->interlace_allowed = 0; 870312fec14SDave Airlie connector->doublescan_allowed = 0; 871312fec14SDave Airlie 87234ea3d38SThomas Wood drm_connector_register(connector); 873312fec14SDave Airlie 874312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 875312fec14SDave Airlie 876312fec14SDave Airlie encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); 877cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 878312fec14SDave Airlie 879312fec14SDave Airlie return 0; 880312fec14SDave Airlie } 881312fec14SDave Airlie 882312fec14SDave Airlie /* allocate cursor cache and pin at start of VRAM */ 8837f5ccd44SRashika static int ast_cursor_init(struct drm_device *dev) 884312fec14SDave Airlie { 885312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 8860090ef3eSThomas Zimmermann size_t size, i; 8875b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 8880090ef3eSThomas Zimmermann int ret; 889312fec14SDave Airlie 8900090ef3eSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 891312fec14SDave Airlie 8920090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 8930090ef3eSThomas Zimmermann gbo = drm_gem_vram_create(dev, &dev->vram_mm->bdev, 8940090ef3eSThomas Zimmermann size, 0, false); 8950090ef3eSThomas Zimmermann if (IS_ERR(gbo)) { 8960090ef3eSThomas Zimmermann ret = PTR_ERR(gbo); 8970090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 8980090ef3eSThomas Zimmermann } 8990090ef3eSThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | 9000090ef3eSThomas Zimmermann DRM_GEM_VRAM_PL_FLAG_TOPDOWN); 9010090ef3eSThomas Zimmermann if (ret) { 9020090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 9030090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 9045b370979SThomas Zimmermann } 905312fec14SDave Airlie 9060090ef3eSThomas Zimmermann ast->cursor.gbo[i] = gbo; 9073f87330eSThomas Zimmermann } 908312fec14SDave Airlie 909312fec14SDave Airlie return 0; 9100090ef3eSThomas Zimmermann 9110090ef3eSThomas Zimmermann err_drm_gem_vram_put: 9120090ef3eSThomas Zimmermann while (i) { 9130090ef3eSThomas Zimmermann --i; 9140090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 9150090ef3eSThomas Zimmermann drm_gem_vram_unpin(gbo); 9160090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 9170090ef3eSThomas Zimmermann ast->cursor.gbo[i] = NULL; 9180090ef3eSThomas Zimmermann } 919312fec14SDave Airlie return ret; 920312fec14SDave Airlie } 921312fec14SDave Airlie 9227f5ccd44SRashika static void ast_cursor_fini(struct drm_device *dev) 923312fec14SDave Airlie { 924312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 9250090ef3eSThomas Zimmermann size_t i; 9260090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 9270090ef3eSThomas Zimmermann 9280090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 9290090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 9304d7553c3SThomas Zimmermann drm_gem_vram_unpin(gbo); 9310090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 9320090ef3eSThomas Zimmermann } 933312fec14SDave Airlie } 934312fec14SDave Airlie 935312fec14SDave Airlie int ast_mode_init(struct drm_device *dev) 936312fec14SDave Airlie { 937312fec14SDave Airlie ast_cursor_init(dev); 938312fec14SDave Airlie ast_crtc_init(dev); 939312fec14SDave Airlie ast_encoder_init(dev); 940312fec14SDave Airlie ast_connector_init(dev); 941312fec14SDave Airlie return 0; 942312fec14SDave Airlie } 943312fec14SDave Airlie 944312fec14SDave Airlie void ast_mode_fini(struct drm_device *dev) 945312fec14SDave Airlie { 946312fec14SDave Airlie ast_cursor_fini(dev); 947312fec14SDave Airlie } 948312fec14SDave Airlie 949312fec14SDave Airlie static int get_clock(void *i2c_priv) 950312fec14SDave Airlie { 951312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 952312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 95330062562SY.C. Chen uint32_t val, val2, count, pass; 954312fec14SDave Airlie 95530062562SY.C. Chen count = 0; 95630062562SY.C. Chen pass = 0; 95730062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 95830062562SY.C. Chen do { 95930062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 96030062562SY.C. Chen if (val == val2) { 96130062562SY.C. Chen pass++; 96230062562SY.C. Chen } else { 96330062562SY.C. Chen pass = 0; 96430062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 96530062562SY.C. Chen } 96630062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 96730062562SY.C. Chen 968312fec14SDave Airlie return val & 1 ? 1 : 0; 969312fec14SDave Airlie } 970312fec14SDave Airlie 971312fec14SDave Airlie static int get_data(void *i2c_priv) 972312fec14SDave Airlie { 973312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 974312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 97530062562SY.C. Chen uint32_t val, val2, count, pass; 976312fec14SDave Airlie 97730062562SY.C. Chen count = 0; 97830062562SY.C. Chen pass = 0; 97930062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 98030062562SY.C. Chen do { 98130062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 98230062562SY.C. Chen if (val == val2) { 98330062562SY.C. Chen pass++; 98430062562SY.C. Chen } else { 98530062562SY.C. Chen pass = 0; 98630062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 98730062562SY.C. Chen } 98830062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 98930062562SY.C. Chen 990312fec14SDave Airlie return val & 1 ? 1 : 0; 991312fec14SDave Airlie } 992312fec14SDave Airlie 993312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 994312fec14SDave Airlie { 995312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 996312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 997312fec14SDave Airlie int i; 998312fec14SDave Airlie u8 ujcrb7, jtemp; 999312fec14SDave Airlie 1000312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1001312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 100230062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1003312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1004312fec14SDave Airlie if (ujcrb7 == jtemp) 1005312fec14SDave Airlie break; 1006312fec14SDave Airlie } 1007312fec14SDave Airlie } 1008312fec14SDave Airlie 1009312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1010312fec14SDave Airlie { 1011312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1012312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1013312fec14SDave Airlie int i; 1014312fec14SDave Airlie u8 ujcrb7, jtemp; 1015312fec14SDave Airlie 1016312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1017312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 101830062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1019312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1020312fec14SDave Airlie if (ujcrb7 == jtemp) 1021312fec14SDave Airlie break; 1022312fec14SDave Airlie } 1023312fec14SDave Airlie } 1024312fec14SDave Airlie 1025312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1026312fec14SDave Airlie { 1027312fec14SDave Airlie struct ast_i2c_chan *i2c; 1028312fec14SDave Airlie int ret; 1029312fec14SDave Airlie 1030312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1031312fec14SDave Airlie if (!i2c) 1032312fec14SDave Airlie return NULL; 1033312fec14SDave Airlie 1034312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1035312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1036312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1037312fec14SDave Airlie i2c->dev = dev; 1038312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1039312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1040312fec14SDave Airlie "AST i2c bit bus"); 1041312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1042312fec14SDave Airlie 1043312fec14SDave Airlie i2c->bit.udelay = 20; 1044312fec14SDave Airlie i2c->bit.timeout = 2; 1045312fec14SDave Airlie i2c->bit.data = i2c; 1046312fec14SDave Airlie i2c->bit.setsda = set_data; 1047312fec14SDave Airlie i2c->bit.setscl = set_clock; 1048312fec14SDave Airlie i2c->bit.getsda = get_data; 1049312fec14SDave Airlie i2c->bit.getscl = get_clock; 1050312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1051312fec14SDave Airlie if (ret) { 1052312fec14SDave Airlie DRM_ERROR("Failed to register bit i2c\n"); 1053312fec14SDave Airlie goto out_free; 1054312fec14SDave Airlie } 1055312fec14SDave Airlie 1056312fec14SDave Airlie return i2c; 1057312fec14SDave Airlie out_free: 1058312fec14SDave Airlie kfree(i2c); 1059312fec14SDave Airlie return NULL; 1060312fec14SDave Airlie } 1061312fec14SDave Airlie 1062312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1063312fec14SDave Airlie { 1064312fec14SDave Airlie if (!i2c) 1065312fec14SDave Airlie return; 1066312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1067312fec14SDave Airlie kfree(i2c); 1068312fec14SDave Airlie } 1069312fec14SDave Airlie 1070312fec14SDave Airlie static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) 1071312fec14SDave Airlie { 1072312fec14SDave Airlie union { 1073312fec14SDave Airlie u32 ul; 1074312fec14SDave Airlie u8 b[4]; 1075312fec14SDave Airlie } srcdata32[2], data32; 1076312fec14SDave Airlie union { 1077312fec14SDave Airlie u16 us; 1078312fec14SDave Airlie u8 b[2]; 1079312fec14SDave Airlie } data16; 1080312fec14SDave Airlie u32 csum = 0; 1081312fec14SDave Airlie s32 alpha_dst_delta, last_alpha_dst_delta; 1082312fec14SDave Airlie u8 *srcxor, *dstxor; 1083312fec14SDave Airlie int i, j; 1084312fec14SDave Airlie u32 per_pixel_copy, two_pixel_copy; 1085312fec14SDave Airlie 1086312fec14SDave Airlie alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 1087312fec14SDave Airlie last_alpha_dst_delta = alpha_dst_delta - (width << 1); 1088312fec14SDave Airlie 1089312fec14SDave Airlie srcxor = src; 1090312fec14SDave Airlie dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 1091312fec14SDave Airlie per_pixel_copy = width & 1; 1092312fec14SDave Airlie two_pixel_copy = width >> 1; 1093312fec14SDave Airlie 1094312fec14SDave Airlie for (j = 0; j < height; j++) { 1095312fec14SDave Airlie for (i = 0; i < two_pixel_copy; i++) { 1096312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1097312fec14SDave Airlie srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 1098312fec14SDave Airlie data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1099312fec14SDave Airlie data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 11001e99cfa8SBenjamin Herrenschmidt data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 11011e99cfa8SBenjamin Herrenschmidt data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 1102312fec14SDave Airlie 1103312fec14SDave Airlie writel(data32.ul, dstxor); 1104312fec14SDave Airlie csum += data32.ul; 1105312fec14SDave Airlie 1106312fec14SDave Airlie dstxor += 4; 1107312fec14SDave Airlie srcxor += 8; 1108312fec14SDave Airlie 1109312fec14SDave Airlie } 1110312fec14SDave Airlie 1111312fec14SDave Airlie for (i = 0; i < per_pixel_copy; i++) { 1112312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1113312fec14SDave Airlie data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1114312fec14SDave Airlie data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 1115312fec14SDave Airlie writew(data16.us, dstxor); 1116312fec14SDave Airlie csum += (u32)data16.us; 1117312fec14SDave Airlie 1118312fec14SDave Airlie dstxor += 2; 1119312fec14SDave Airlie srcxor += 4; 1120312fec14SDave Airlie } 1121312fec14SDave Airlie dstxor += last_alpha_dst_delta; 1122312fec14SDave Airlie } 1123312fec14SDave Airlie return csum; 1124312fec14SDave Airlie } 1125312fec14SDave Airlie 11262f5989fcSThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 11272f5989fcSThomas Zimmermann unsigned int height) 11282f5989fcSThomas Zimmermann { 11292f5989fcSThomas Zimmermann u32 csum; 11302f5989fcSThomas Zimmermann 11312f5989fcSThomas Zimmermann /* do data transfer to cursor cache */ 11322f5989fcSThomas Zimmermann csum = copy_cursor_image(src, dst, width, height); 11332f5989fcSThomas Zimmermann 11342f5989fcSThomas Zimmermann /* write checksum + signature */ 11352f5989fcSThomas Zimmermann dst += AST_HWC_SIZE; 11362f5989fcSThomas Zimmermann writel(csum, dst); 11372f5989fcSThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 11382f5989fcSThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 11392f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 11402f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 11412f5989fcSThomas Zimmermann 11422f5989fcSThomas Zimmermann return 0; 11432f5989fcSThomas Zimmermann } 11442f5989fcSThomas Zimmermann 11452f5989fcSThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address) 11462f5989fcSThomas Zimmermann { 11472f5989fcSThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 11482f5989fcSThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 11492f5989fcSThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 11502f5989fcSThomas Zimmermann 11512f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 11522f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 11532f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 11542f5989fcSThomas Zimmermann } 11552f5989fcSThomas Zimmermann 1156659d1a49SThomas Zimmermann static int ast_show_cursor(struct drm_crtc *crtc, void *src, 1157659d1a49SThomas Zimmermann unsigned int width, unsigned int height) 1158714468d9SThomas Zimmermann { 1159714468d9SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 11602f5989fcSThomas Zimmermann struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1161659d1a49SThomas Zimmermann struct drm_gem_vram_object *gbo; 11620090ef3eSThomas Zimmermann void *dst; 1163659d1a49SThomas Zimmermann s64 off; 11642f5989fcSThomas Zimmermann int ret; 1165714468d9SThomas Zimmermann u8 jreg; 1166714468d9SThomas Zimmermann 11670090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 1168659d1a49SThomas Zimmermann dst = drm_gem_vram_vmap(gbo); 1169659d1a49SThomas Zimmermann if (IS_ERR(dst)) 1170659d1a49SThomas Zimmermann return PTR_ERR(dst); 1171659d1a49SThomas Zimmermann off = drm_gem_vram_offset(gbo); 1172659d1a49SThomas Zimmermann if (off < 0) { 1173659d1a49SThomas Zimmermann ret = (int)off; 1174659d1a49SThomas Zimmermann goto err_drm_gem_vram_vunmap; 1175659d1a49SThomas Zimmermann } 11762f5989fcSThomas Zimmermann 11770090ef3eSThomas Zimmermann ret = ast_cursor_update(dst, src, width, height); 11782f5989fcSThomas Zimmermann if (ret) 1179659d1a49SThomas Zimmermann goto err_drm_gem_vram_vunmap; 1180659d1a49SThomas Zimmermann ast_cursor_set_base(ast, off); 11812f5989fcSThomas Zimmermann 11822f5989fcSThomas Zimmermann ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width; 11832f5989fcSThomas Zimmermann ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height; 11842f5989fcSThomas Zimmermann 1185714468d9SThomas Zimmermann jreg = 0x2; 1186714468d9SThomas Zimmermann /* enable ARGB cursor */ 1187714468d9SThomas Zimmermann jreg |= 1; 1188714468d9SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 11892f5989fcSThomas Zimmermann 11900090ef3eSThomas Zimmermann ++ast->cursor.next_index; 11910090ef3eSThomas Zimmermann ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); 1192659d1a49SThomas Zimmermann 1193659d1a49SThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 1194659d1a49SThomas Zimmermann 11952f5989fcSThomas Zimmermann return 0; 1196659d1a49SThomas Zimmermann 1197659d1a49SThomas Zimmermann err_drm_gem_vram_vunmap: 1198659d1a49SThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 1199659d1a49SThomas Zimmermann return ret; 1200714468d9SThomas Zimmermann } 1201714468d9SThomas Zimmermann 1202714468d9SThomas Zimmermann static void ast_hide_cursor(struct drm_crtc *crtc) 1203714468d9SThomas Zimmermann { 1204714468d9SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 12052f5989fcSThomas Zimmermann 1206714468d9SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); 1207714468d9SThomas Zimmermann } 1208714468d9SThomas Zimmermann 1209312fec14SDave Airlie static int ast_cursor_set(struct drm_crtc *crtc, 1210312fec14SDave Airlie struct drm_file *file_priv, 1211312fec14SDave Airlie uint32_t handle, 1212312fec14SDave Airlie uint32_t width, 1213312fec14SDave Airlie uint32_t height) 1214312fec14SDave Airlie { 1215312fec14SDave Airlie struct drm_gem_object *obj; 12165b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 1217659d1a49SThomas Zimmermann u8 *src; 1218312fec14SDave Airlie int ret; 121927072152SThomas Zimmermann 1220312fec14SDave Airlie if (!handle) { 1221312fec14SDave Airlie ast_hide_cursor(crtc); 1222312fec14SDave Airlie return 0; 1223312fec14SDave Airlie } 1224312fec14SDave Airlie 1225312fec14SDave Airlie if (width > AST_MAX_HWC_WIDTH || height > AST_MAX_HWC_HEIGHT) 1226312fec14SDave Airlie return -EINVAL; 1227312fec14SDave Airlie 1228a8ad0bd8SChris Wilson obj = drm_gem_object_lookup(file_priv, handle); 1229312fec14SDave Airlie if (!obj) { 1230312fec14SDave Airlie DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); 1231312fec14SDave Airlie return -ENOENT; 1232312fec14SDave Airlie } 12335b370979SThomas Zimmermann gbo = drm_gem_vram_of_gem(obj); 1234820d6606SThomas Zimmermann src = drm_gem_vram_vmap(gbo); 12353f87330eSThomas Zimmermann if (IS_ERR(src)) { 12363f87330eSThomas Zimmermann ret = PTR_ERR(src); 1237820d6606SThomas Zimmermann goto err_drm_gem_object_put_unlocked; 12383f87330eSThomas Zimmermann } 12393f87330eSThomas Zimmermann 1240659d1a49SThomas Zimmermann ret = ast_show_cursor(crtc, src, width, height); 12412f5989fcSThomas Zimmermann if (ret) 1242659d1a49SThomas Zimmermann goto err_drm_gem_vram_vunmap; 1243312fec14SDave Airlie 1244820d6606SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 12451feba03fSCihangir Akturk drm_gem_object_put_unlocked(obj); 124627072152SThomas Zimmermann 1247312fec14SDave Airlie return 0; 12483f87330eSThomas Zimmermann 1249820d6606SThomas Zimmermann err_drm_gem_vram_vunmap: 1250820d6606SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 125127072152SThomas Zimmermann err_drm_gem_object_put_unlocked: 12521feba03fSCihangir Akturk drm_gem_object_put_unlocked(obj); 1253312fec14SDave Airlie return ret; 1254312fec14SDave Airlie } 1255312fec14SDave Airlie 1256312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 1257312fec14SDave Airlie int x, int y) 1258312fec14SDave Airlie { 1259312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1260312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 12610090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 1262312fec14SDave Airlie int x_offset, y_offset; 12630090ef3eSThomas Zimmermann u8 *dst, *sig; 126496a49f39SThomas Zimmermann u8 jreg; 1265312fec14SDave Airlie 12660090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 12670090ef3eSThomas Zimmermann dst = drm_gem_vram_vmap(gbo); 12680090ef3eSThomas Zimmermann if (IS_ERR(dst)) 12690090ef3eSThomas Zimmermann return PTR_ERR(dst); 12700090ef3eSThomas Zimmermann 12710090ef3eSThomas Zimmermann sig = dst + AST_HWC_SIZE; 1272312fec14SDave Airlie writel(x, sig + AST_HWC_SIGNATURE_X); 1273312fec14SDave Airlie writel(y, sig + AST_HWC_SIGNATURE_Y); 1274312fec14SDave Airlie 1275312fec14SDave Airlie x_offset = ast_crtc->offset_x; 1276312fec14SDave Airlie y_offset = ast_crtc->offset_y; 1277312fec14SDave Airlie if (x < 0) { 1278312fec14SDave Airlie x_offset = (-x) + ast_crtc->offset_x; 1279312fec14SDave Airlie x = 0; 1280312fec14SDave Airlie } 1281312fec14SDave Airlie 1282312fec14SDave Airlie if (y < 0) { 1283312fec14SDave Airlie y_offset = (-y) + ast_crtc->offset_y; 1284312fec14SDave Airlie y = 0; 1285312fec14SDave Airlie } 1286312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 1287312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 1288312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); 1289312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); 1290312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); 1291312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); 1292312fec14SDave Airlie 1293312fec14SDave Airlie /* dummy write to fire HWC */ 129496a49f39SThomas Zimmermann jreg = 0x02 | 129596a49f39SThomas Zimmermann 0x01; /* enable ARGB4444 cursor */ 129696a49f39SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 1297312fec14SDave Airlie 12980090ef3eSThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 12990090ef3eSThomas Zimmermann 1300312fec14SDave Airlie return 0; 1301312fec14SDave Airlie } 1302