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 */ 30312fec14SDave Airlie #include <linux/export.h> 31760285e7SDavid Howells #include <drm/drmP.h> 32760285e7SDavid Howells #include <drm/drm_crtc.h> 33760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 343cb9ae4fSDaniel Vetter #include <drm/drm_plane_helper.h> 35fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 36312fec14SDave Airlie #include "ast_drv.h" 37312fec14SDave Airlie 38312fec14SDave Airlie #include "ast_tables.h" 39312fec14SDave Airlie 40312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 41312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c); 42312fec14SDave Airlie static int ast_cursor_set(struct drm_crtc *crtc, 43312fec14SDave Airlie struct drm_file *file_priv, 44312fec14SDave Airlie uint32_t handle, 45312fec14SDave Airlie uint32_t width, 46312fec14SDave Airlie uint32_t height); 47312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 48312fec14SDave Airlie int x, int y); 49312fec14SDave Airlie 50312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 51312fec14SDave Airlie u8 index, u8 red, u8 green, 52312fec14SDave Airlie u8 blue) 53312fec14SDave Airlie { 54312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 55312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 56312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 57312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 58312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 59312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 60312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 61312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 62312fec14SDave Airlie } 63312fec14SDave Airlie 64312fec14SDave Airlie static void ast_crtc_load_lut(struct drm_crtc *crtc) 65312fec14SDave Airlie { 66312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 673bffd962SPeter Rosin u16 *r, *g, *b; 68312fec14SDave Airlie int i; 69312fec14SDave Airlie 70312fec14SDave Airlie if (!crtc->enabled) 71312fec14SDave Airlie return; 72312fec14SDave Airlie 733bffd962SPeter Rosin r = crtc->gamma_store; 743bffd962SPeter Rosin g = r + crtc->gamma_size; 753bffd962SPeter Rosin b = g + crtc->gamma_size; 763bffd962SPeter Rosin 77312fec14SDave Airlie for (i = 0; i < 256; i++) 783bffd962SPeter Rosin ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); 79312fec14SDave Airlie } 80312fec14SDave Airlie 81312fec14SDave Airlie static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mode *mode, 82312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 83312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 84312fec14SDave Airlie { 85312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 867445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 87312fec14SDave Airlie u32 refresh_rate_index = 0, mode_id, color_index, refresh_rate; 8822acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 89312fec14SDave Airlie u32 hborder, vborder; 9094d12b13SY.C. Chen bool check_sync; 91312fec14SDave Airlie 92272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 93312fec14SDave Airlie case 8: 94312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 95312fec14SDave Airlie color_index = VGAModeIndex - 1; 96312fec14SDave Airlie break; 97312fec14SDave Airlie case 16: 98312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 99312fec14SDave Airlie color_index = HiCModeIndex; 100312fec14SDave Airlie break; 101312fec14SDave Airlie case 24: 102312fec14SDave Airlie case 32: 103312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 104312fec14SDave Airlie color_index = TrueCModeIndex; 105312fec14SDave Airlie break; 106312fec14SDave Airlie default: 107312fec14SDave Airlie return false; 108312fec14SDave Airlie } 109312fec14SDave Airlie 110312fec14SDave Airlie switch (crtc->mode.crtc_hdisplay) { 111312fec14SDave Airlie case 640: 112312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 113312fec14SDave Airlie break; 114312fec14SDave Airlie case 800: 115312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 116312fec14SDave Airlie break; 117312fec14SDave Airlie case 1024: 118312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 119312fec14SDave Airlie break; 120312fec14SDave Airlie case 1280: 121312fec14SDave Airlie if (crtc->mode.crtc_vdisplay == 800) 122312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 123312fec14SDave Airlie else 124312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 125312fec14SDave Airlie break; 126f1f62f2cSDave Airlie case 1360: 127f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 128f1f62f2cSDave Airlie break; 129312fec14SDave Airlie case 1440: 130312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 131312fec14SDave Airlie break; 132312fec14SDave Airlie case 1600: 133f1f62f2cSDave Airlie if (crtc->mode.crtc_vdisplay == 900) 134f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 135f1f62f2cSDave Airlie else 136312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 137312fec14SDave Airlie break; 138312fec14SDave Airlie case 1680: 139312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 140312fec14SDave Airlie break; 141312fec14SDave Airlie case 1920: 142312fec14SDave Airlie if (crtc->mode.crtc_vdisplay == 1080) 143312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 144312fec14SDave Airlie else 145312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 146312fec14SDave Airlie break; 147312fec14SDave Airlie default: 148312fec14SDave Airlie return false; 149312fec14SDave Airlie } 150312fec14SDave Airlie 151312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 15294d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 15394d12b13SY.C. Chen do { 15422acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 15594d12b13SY.C. Chen 15694d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 15794d12b13SY.C. Chen if ((check_sync) && 15894d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 15994d12b13SY.C. Chen (loop->flags & PVSync)) || 16094d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 16194d12b13SY.C. Chen (loop->flags & NVSync)) || 16294d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 16394d12b13SY.C. Chen (loop->flags & PHSync)) || 16494d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 16594d12b13SY.C. Chen (loop->flags & NHSync)))) { 16694d12b13SY.C. Chen loop++; 16794d12b13SY.C. Chen continue; 16894d12b13SY.C. Chen } 16994d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 17094d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 17194d12b13SY.C. Chen best = loop; 17294d12b13SY.C. Chen loop++; 17394d12b13SY.C. Chen } 17494d12b13SY.C. Chen if (best || !check_sync) 175312fec14SDave Airlie break; 17694d12b13SY.C. Chen check_sync = 0; 17794d12b13SY.C. Chen } while (1); 17894d12b13SY.C. Chen if (best) 17994d12b13SY.C. Chen vbios_mode->enh_table = best; 180312fec14SDave Airlie 181312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 182312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 183312fec14SDave Airlie 184312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 185312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 186312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 187312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 188312fec14SDave Airlie vbios_mode->enh_table->hfp; 189312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 190312fec14SDave Airlie vbios_mode->enh_table->hfp + 191312fec14SDave Airlie vbios_mode->enh_table->hsync); 192312fec14SDave Airlie 193312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 194312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 195312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 196312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 197312fec14SDave Airlie vbios_mode->enh_table->vfp; 198312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 199312fec14SDave Airlie vbios_mode->enh_table->vfp + 200312fec14SDave Airlie vbios_mode->enh_table->vsync); 201312fec14SDave Airlie 202312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 203312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 204312fec14SDave Airlie 205312fec14SDave Airlie if (ast->chip == AST1180) { 206312fec14SDave Airlie /* TODO 1180 */ 207312fec14SDave Airlie } else { 208312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0xf) << 4)); 209312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 210312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 211312fec14SDave Airlie 212f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 213f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 214312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 215272725c7SVille Syrjälä ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, 216272725c7SVille Syrjälä fb->format->cpp[0] * 8); 217312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 218312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 219312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 220312fec14SDave Airlie 221312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 222312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 223312fec14SDave Airlie } 224f1f62f2cSDave Airlie } 225312fec14SDave Airlie 226312fec14SDave Airlie return true; 227312fec14SDave Airlie 228312fec14SDave Airlie 229312fec14SDave Airlie } 230312fec14SDave Airlie static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 231312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 232312fec14SDave Airlie { 233312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 23422acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 235312fec14SDave Airlie u32 i; 236312fec14SDave Airlie u8 jreg; 237312fec14SDave Airlie 238312fec14SDave Airlie stdtable = vbios_mode->std_table; 239312fec14SDave Airlie 240312fec14SDave Airlie jreg = stdtable->misc; 241312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 242312fec14SDave Airlie 243312fec14SDave Airlie /* Set SEQ */ 244312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 245312fec14SDave Airlie for (i = 0; i < 4; i++) { 246312fec14SDave Airlie jreg = stdtable->seq[i]; 247312fec14SDave Airlie if (!i) 248312fec14SDave Airlie jreg |= 0x20; 249312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 250312fec14SDave Airlie } 251312fec14SDave Airlie 252312fec14SDave Airlie /* Set CRTC */ 253312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 254312fec14SDave Airlie for (i = 0; i < 25; i++) 255312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 256312fec14SDave Airlie 257312fec14SDave Airlie /* set AR */ 258312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 259312fec14SDave Airlie for (i = 0; i < 20; i++) { 260312fec14SDave Airlie jreg = stdtable->ar[i]; 261312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 262312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 263312fec14SDave Airlie } 264312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 265312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 266312fec14SDave Airlie 267312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 268312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 269312fec14SDave Airlie 270312fec14SDave Airlie /* Set GR */ 271312fec14SDave Airlie for (i = 0; i < 9; i++) 272312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 273312fec14SDave Airlie } 274312fec14SDave Airlie 275312fec14SDave Airlie static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 276312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 277312fec14SDave Airlie { 278312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 279312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 2809f93c8b3SY.C. Chen u16 temp, precache = 0; 2819f93c8b3SY.C. Chen 2829f93c8b3SY.C. Chen if ((ast->chip == AST2500) && 2839f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 2849f93c8b3SY.C. Chen precache = 40; 285312fec14SDave Airlie 286312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 287312fec14SDave Airlie 288312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 289312fec14SDave Airlie if (temp & 0x100) 290312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 291312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 292312fec14SDave Airlie 293312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 294312fec14SDave Airlie if (temp & 0x100) 295312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 296312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 297312fec14SDave Airlie 298312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 299312fec14SDave Airlie if (temp & 0x100) 300312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 301312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 302312fec14SDave Airlie 303312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 304312fec14SDave Airlie if (temp & 0x20) 305312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 306312fec14SDave Airlie if (temp & 0x40) 307312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 308312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 309312fec14SDave Airlie 3109f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 311312fec14SDave Airlie if (temp & 0x100) 312312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 313312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 314312fec14SDave Airlie 3159f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 316312fec14SDave Airlie if (temp & 0x20) 317312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 318312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 319312fec14SDave Airlie 320312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 321312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 322312fec14SDave Airlie 323312fec14SDave Airlie /* vert timings */ 324312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 325312fec14SDave Airlie if (temp & 0x100) 326312fec14SDave Airlie jreg07 |= 0x01; 327312fec14SDave Airlie if (temp & 0x200) 328312fec14SDave Airlie jreg07 |= 0x20; 329312fec14SDave Airlie if (temp & 0x400) 330312fec14SDave Airlie jregAE |= 0x01; 331312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 332312fec14SDave Airlie 333312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 334312fec14SDave Airlie if (temp & 0x100) 335312fec14SDave Airlie jreg07 |= 0x04; 336312fec14SDave Airlie if (temp & 0x200) 337312fec14SDave Airlie jreg07 |= 0x80; 338312fec14SDave Airlie if (temp & 0x400) 339312fec14SDave Airlie jregAE |= 0x08; 340312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 341312fec14SDave Airlie 342312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 343312fec14SDave Airlie if (temp & 0x10) 344312fec14SDave Airlie jregAE |= 0x20; 345312fec14SDave Airlie if (temp & 0x20) 346312fec14SDave Airlie jregAE |= 0x40; 347312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 348312fec14SDave Airlie 349312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 350312fec14SDave Airlie if (temp & 0x100) 351312fec14SDave Airlie jreg07 |= 0x02; 352312fec14SDave Airlie if (temp & 0x200) 353312fec14SDave Airlie jreg07 |= 0x40; 354312fec14SDave Airlie if (temp & 0x400) 355312fec14SDave Airlie jregAE |= 0x02; 356312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 357312fec14SDave Airlie 358312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 359312fec14SDave Airlie if (temp & 0x100) 360312fec14SDave Airlie jreg07 |= 0x08; 361312fec14SDave Airlie if (temp & 0x200) 362312fec14SDave Airlie jreg09 |= 0x20; 363312fec14SDave Airlie if (temp & 0x400) 364312fec14SDave Airlie jregAE |= 0x04; 365312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 366312fec14SDave Airlie 367312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 368312fec14SDave Airlie if (temp & 0x100) 369312fec14SDave Airlie jregAE |= 0x10; 370312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 371312fec14SDave Airlie 372312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 373312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 374312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 375312fec14SDave Airlie 3769f93c8b3SY.C. Chen if (precache) 3779f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 3789f93c8b3SY.C. Chen else 3799f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 3809f93c8b3SY.C. Chen 381312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 382312fec14SDave Airlie } 383312fec14SDave Airlie 384312fec14SDave Airlie static void ast_set_offset_reg(struct drm_crtc *crtc) 385312fec14SDave Airlie { 386312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 3877445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 388312fec14SDave Airlie 389312fec14SDave Airlie u16 offset; 390312fec14SDave Airlie 3917445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 392312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 393312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 394312fec14SDave Airlie } 395312fec14SDave Airlie 396312fec14SDave Airlie static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mode, 397312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 398312fec14SDave Airlie { 399312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 40022acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 401312fec14SDave Airlie 4029f93c8b3SY.C. Chen if (ast->chip == AST2500) 4039f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4049f93c8b3SY.C. Chen else 405312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 406312fec14SDave Airlie 407312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 408312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 409312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4109f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4119f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 412312fec14SDave Airlie } 413312fec14SDave Airlie 414312fec14SDave Airlie static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 415312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 416312fec14SDave Airlie { 417312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 4187445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 419312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 420312fec14SDave Airlie 421272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 422312fec14SDave Airlie case 8: 423312fec14SDave Airlie jregA0 = 0x70; 424312fec14SDave Airlie jregA3 = 0x01; 425312fec14SDave Airlie jregA8 = 0x00; 426312fec14SDave Airlie break; 427312fec14SDave Airlie case 15: 428312fec14SDave Airlie case 16: 429312fec14SDave Airlie jregA0 = 0x70; 430312fec14SDave Airlie jregA3 = 0x04; 431312fec14SDave Airlie jregA8 = 0x02; 432312fec14SDave Airlie break; 433312fec14SDave Airlie case 32: 434312fec14SDave Airlie jregA0 = 0x70; 435312fec14SDave Airlie jregA3 = 0x08; 436312fec14SDave Airlie jregA8 = 0x02; 437312fec14SDave Airlie break; 438312fec14SDave Airlie } 439312fec14SDave Airlie 440312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 441312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 442312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 443312fec14SDave Airlie 444312fec14SDave Airlie /* Set Threshold */ 4459f93c8b3SY.C. Chen if (ast->chip == AST2300 || ast->chip == AST2400 || 4469f93c8b3SY.C. Chen ast->chip == AST2500) { 447312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 448312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 449312fec14SDave Airlie } else if (ast->chip == AST2100 || 450312fec14SDave Airlie ast->chip == AST1100 || 451312fec14SDave Airlie ast->chip == AST2200 || 452312fec14SDave Airlie ast->chip == AST2150) { 453312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 454312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 455312fec14SDave Airlie } else { 456312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 457312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 458312fec14SDave Airlie } 459312fec14SDave Airlie } 460312fec14SDave Airlie 4617f5ccd44SRashika static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mode, 462312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 463312fec14SDave Airlie { 464312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 465312fec14SDave Airlie u8 jreg; 466312fec14SDave Airlie 467312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 46894d12b13SY.C. Chen jreg &= ~0xC0; 46994d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 47094d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 471312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 472312fec14SDave Airlie } 473312fec14SDave Airlie 4747f5ccd44SRashika static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 475312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 476312fec14SDave Airlie { 4777445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 4787445283aSVille Syrjälä 479272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 480312fec14SDave Airlie case 8: 481312fec14SDave Airlie break; 482312fec14SDave Airlie default: 483312fec14SDave Airlie return false; 484312fec14SDave Airlie } 485312fec14SDave Airlie return true; 486312fec14SDave Airlie } 487312fec14SDave Airlie 4887f5ccd44SRashika static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset) 489312fec14SDave Airlie { 490312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 491312fec14SDave Airlie u32 addr; 492312fec14SDave Airlie 493312fec14SDave Airlie addr = offset >> 2; 494312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 495312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 496312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 497312fec14SDave Airlie 498312fec14SDave Airlie } 499312fec14SDave Airlie 500312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 501312fec14SDave Airlie { 502312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 503312fec14SDave Airlie 504312fec14SDave Airlie if (ast->chip == AST1180) 505312fec14SDave Airlie return; 506312fec14SDave Airlie 507312fec14SDave Airlie switch (mode) { 508312fec14SDave Airlie case DRM_MODE_DPMS_ON: 509312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 510312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 511312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 51283c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 51383c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 514312fec14SDave Airlie ast_crtc_load_lut(crtc); 515312fec14SDave Airlie break; 516312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 51783c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 51883c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 519312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 520312fec14SDave Airlie break; 521312fec14SDave Airlie } 522312fec14SDave Airlie } 523312fec14SDave Airlie 524312fec14SDave Airlie static int ast_crtc_do_set_base(struct drm_crtc *crtc, 525312fec14SDave Airlie struct drm_framebuffer *fb, 526312fec14SDave Airlie int x, int y, int atomic) 527312fec14SDave Airlie { 528312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 529312fec14SDave Airlie struct drm_gem_object *obj; 530312fec14SDave Airlie struct ast_framebuffer *ast_fb; 5315b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 532312fec14SDave Airlie int ret; 5335b370979SThomas Zimmermann s64 gpu_addr; 5343f87330eSThomas Zimmermann void *base; 535312fec14SDave Airlie 536312fec14SDave Airlie if (!atomic && fb) { 537312fec14SDave Airlie ast_fb = to_ast_framebuffer(fb); 538312fec14SDave Airlie obj = ast_fb->obj; 5395b370979SThomas Zimmermann gbo = drm_gem_vram_of_gem(obj); 54081da87f6SThomas Zimmermann 54181da87f6SThomas Zimmermann /* unmap if console */ 54281da87f6SThomas Zimmermann if (&ast->fbdev->afb == ast_fb) 54381da87f6SThomas Zimmermann drm_gem_vram_kunmap(gbo); 54481da87f6SThomas Zimmermann drm_gem_vram_unpin(gbo); 545312fec14SDave Airlie } 546312fec14SDave Airlie 547f4510a27SMatt Roper ast_fb = to_ast_framebuffer(crtc->primary->fb); 548312fec14SDave Airlie obj = ast_fb->obj; 5495b370979SThomas Zimmermann gbo = drm_gem_vram_of_gem(obj); 550312fec14SDave Airlie 5515b370979SThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); 5525b370979SThomas Zimmermann if (ret) 5535b24f715SThomas Zimmermann return ret; 5545b370979SThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 5555b370979SThomas Zimmermann if (gpu_addr < 0) { 5565b370979SThomas Zimmermann ret = (int)gpu_addr; 5575b370979SThomas Zimmermann goto err_drm_gem_vram_unpin; 558312fec14SDave Airlie } 559312fec14SDave Airlie 560312fec14SDave Airlie if (&ast->fbdev->afb == ast_fb) { 561312fec14SDave Airlie /* if pushing console in kmap it */ 5623f87330eSThomas Zimmermann base = drm_gem_vram_kmap(gbo, true, NULL); 5633f87330eSThomas Zimmermann if (IS_ERR(base)) { 5643f87330eSThomas Zimmermann ret = PTR_ERR(base); 565312fec14SDave Airlie DRM_ERROR("failed to kmap fbcon\n"); 5663f87330eSThomas Zimmermann } else { 56728fb4cb7SEgbert Eich ast_fbdev_set_base(ast, gpu_addr); 568312fec14SDave Airlie } 5693f87330eSThomas Zimmermann } 570312fec14SDave Airlie 5711a37bd82SY.C. Chen ast_set_offset_reg(crtc); 572312fec14SDave Airlie ast_set_start_address_crt1(crtc, (u32)gpu_addr); 573312fec14SDave Airlie 574312fec14SDave Airlie return 0; 5755b370979SThomas Zimmermann 5765b370979SThomas Zimmermann err_drm_gem_vram_unpin: 5775b370979SThomas Zimmermann drm_gem_vram_unpin(gbo); 5785b370979SThomas Zimmermann return ret; 579312fec14SDave Airlie } 580312fec14SDave Airlie 581312fec14SDave Airlie static int ast_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 582312fec14SDave Airlie struct drm_framebuffer *old_fb) 583312fec14SDave Airlie { 584312fec14SDave Airlie return ast_crtc_do_set_base(crtc, old_fb, x, y, 0); 585312fec14SDave Airlie } 586312fec14SDave Airlie 587312fec14SDave Airlie static int ast_crtc_mode_set(struct drm_crtc *crtc, 588312fec14SDave Airlie struct drm_display_mode *mode, 589312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 590312fec14SDave Airlie int x, int y, 591312fec14SDave Airlie struct drm_framebuffer *old_fb) 592312fec14SDave Airlie { 593312fec14SDave Airlie struct drm_device *dev = crtc->dev; 594312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 595312fec14SDave Airlie struct ast_vbios_mode_info vbios_mode; 596312fec14SDave Airlie bool ret; 597312fec14SDave Airlie if (ast->chip == AST1180) { 598312fec14SDave Airlie DRM_ERROR("AST 1180 modesetting not supported\n"); 599312fec14SDave Airlie return -EINVAL; 600312fec14SDave Airlie } 601312fec14SDave Airlie 602312fec14SDave Airlie ret = ast_get_vbios_mode_info(crtc, mode, adjusted_mode, &vbios_mode); 603312fec14SDave Airlie if (ret == false) 604312fec14SDave Airlie return -EINVAL; 605312fec14SDave Airlie ast_open_key(ast); 606312fec14SDave Airlie 607312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x04); 608312fec14SDave Airlie 609312fec14SDave Airlie ast_set_std_reg(crtc, adjusted_mode, &vbios_mode); 610312fec14SDave Airlie ast_set_crtc_reg(crtc, adjusted_mode, &vbios_mode); 611312fec14SDave Airlie ast_set_offset_reg(crtc); 612312fec14SDave Airlie ast_set_dclk_reg(dev, adjusted_mode, &vbios_mode); 613312fec14SDave Airlie ast_set_ext_reg(crtc, adjusted_mode, &vbios_mode); 614312fec14SDave Airlie ast_set_sync_reg(dev, adjusted_mode, &vbios_mode); 615312fec14SDave Airlie ast_set_dac_reg(crtc, adjusted_mode, &vbios_mode); 616312fec14SDave Airlie 617312fec14SDave Airlie ast_crtc_mode_set_base(crtc, x, y, old_fb); 618312fec14SDave Airlie 619312fec14SDave Airlie return 0; 620312fec14SDave Airlie } 621312fec14SDave Airlie 622312fec14SDave Airlie static void ast_crtc_disable(struct drm_crtc *crtc) 623312fec14SDave Airlie { 624ab209c32SEgbert Eich DRM_DEBUG_KMS("\n"); 625ab209c32SEgbert Eich ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 626ab209c32SEgbert Eich if (crtc->primary->fb) { 62781da87f6SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 628ab209c32SEgbert Eich struct ast_framebuffer *ast_fb = to_ast_framebuffer(crtc->primary->fb); 629ab209c32SEgbert Eich struct drm_gem_object *obj = ast_fb->obj; 6305b370979SThomas Zimmermann struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(obj); 631ab209c32SEgbert Eich 63281da87f6SThomas Zimmermann /* unmap if console */ 63381da87f6SThomas Zimmermann if (&ast->fbdev->afb == ast_fb) 63481da87f6SThomas Zimmermann drm_gem_vram_kunmap(gbo); 63581da87f6SThomas Zimmermann drm_gem_vram_unpin(gbo); 636ab209c32SEgbert Eich } 637ab209c32SEgbert Eich crtc->primary->fb = NULL; 638312fec14SDave Airlie } 639312fec14SDave Airlie 640312fec14SDave Airlie static void ast_crtc_prepare(struct drm_crtc *crtc) 641312fec14SDave Airlie { 642312fec14SDave Airlie 643312fec14SDave Airlie } 644312fec14SDave Airlie 645312fec14SDave Airlie static void ast_crtc_commit(struct drm_crtc *crtc) 646312fec14SDave Airlie { 647312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 648312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 64924b8ef69SDaniel Vetter ast_crtc_load_lut(crtc); 650312fec14SDave Airlie } 651312fec14SDave Airlie 652312fec14SDave Airlie 653312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 654312fec14SDave Airlie .dpms = ast_crtc_dpms, 655312fec14SDave Airlie .mode_set = ast_crtc_mode_set, 656312fec14SDave Airlie .mode_set_base = ast_crtc_mode_set_base, 657312fec14SDave Airlie .disable = ast_crtc_disable, 658312fec14SDave Airlie .prepare = ast_crtc_prepare, 659312fec14SDave Airlie .commit = ast_crtc_commit, 660312fec14SDave Airlie 661312fec14SDave Airlie }; 662312fec14SDave Airlie 663312fec14SDave Airlie static void ast_crtc_reset(struct drm_crtc *crtc) 664312fec14SDave Airlie { 665312fec14SDave Airlie 666312fec14SDave Airlie } 667312fec14SDave Airlie 6687ea77283SMaarten Lankhorst static int ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 6696d124ff8SDaniel Vetter u16 *blue, uint32_t size, 6706d124ff8SDaniel Vetter struct drm_modeset_acquire_ctx *ctx) 671312fec14SDave Airlie { 672312fec14SDave Airlie ast_crtc_load_lut(crtc); 6737ea77283SMaarten Lankhorst 6747ea77283SMaarten Lankhorst return 0; 675312fec14SDave Airlie } 676312fec14SDave Airlie 677312fec14SDave Airlie 678312fec14SDave Airlie static void ast_crtc_destroy(struct drm_crtc *crtc) 679312fec14SDave Airlie { 680312fec14SDave Airlie drm_crtc_cleanup(crtc); 681312fec14SDave Airlie kfree(crtc); 682312fec14SDave Airlie } 683312fec14SDave Airlie 684312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 685312fec14SDave Airlie .cursor_set = ast_cursor_set, 686312fec14SDave Airlie .cursor_move = ast_cursor_move, 687312fec14SDave Airlie .reset = ast_crtc_reset, 688312fec14SDave Airlie .set_config = drm_crtc_helper_set_config, 689312fec14SDave Airlie .gamma_set = ast_crtc_gamma_set, 690312fec14SDave Airlie .destroy = ast_crtc_destroy, 691312fec14SDave Airlie }; 692312fec14SDave Airlie 6937f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 694312fec14SDave Airlie { 695312fec14SDave Airlie struct ast_crtc *crtc; 696312fec14SDave Airlie 697312fec14SDave Airlie crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); 698312fec14SDave Airlie if (!crtc) 699312fec14SDave Airlie return -ENOMEM; 700312fec14SDave Airlie 701312fec14SDave Airlie drm_crtc_init(dev, &crtc->base, &ast_crtc_funcs); 702312fec14SDave Airlie drm_mode_crtc_set_gamma_size(&crtc->base, 256); 703312fec14SDave Airlie drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); 704312fec14SDave Airlie return 0; 705312fec14SDave Airlie } 706312fec14SDave Airlie 707312fec14SDave Airlie static void ast_encoder_destroy(struct drm_encoder *encoder) 708312fec14SDave Airlie { 709312fec14SDave Airlie drm_encoder_cleanup(encoder); 710312fec14SDave Airlie kfree(encoder); 711312fec14SDave Airlie } 712312fec14SDave Airlie 713312fec14SDave Airlie 714312fec14SDave Airlie static struct drm_encoder *ast_best_single_encoder(struct drm_connector *connector) 715312fec14SDave Airlie { 716312fec14SDave Airlie int enc_id = connector->encoder_ids[0]; 717312fec14SDave Airlie /* pick the encoder ids */ 71870e26260SRob Clark if (enc_id) 719418da172SKeith Packard return drm_encoder_find(connector->dev, NULL, enc_id); 720312fec14SDave Airlie return NULL; 721312fec14SDave Airlie } 722312fec14SDave Airlie 723312fec14SDave Airlie 724312fec14SDave Airlie static const struct drm_encoder_funcs ast_enc_funcs = { 725312fec14SDave Airlie .destroy = ast_encoder_destroy, 726312fec14SDave Airlie }; 727312fec14SDave Airlie 728312fec14SDave Airlie static void ast_encoder_dpms(struct drm_encoder *encoder, int mode) 729312fec14SDave Airlie { 730312fec14SDave Airlie 731312fec14SDave Airlie } 732312fec14SDave Airlie 733312fec14SDave Airlie static void ast_encoder_mode_set(struct drm_encoder *encoder, 734312fec14SDave Airlie struct drm_display_mode *mode, 735312fec14SDave Airlie struct drm_display_mode *adjusted_mode) 736312fec14SDave Airlie { 737312fec14SDave Airlie } 738312fec14SDave Airlie 739312fec14SDave Airlie static void ast_encoder_prepare(struct drm_encoder *encoder) 740312fec14SDave Airlie { 741312fec14SDave Airlie 742312fec14SDave Airlie } 743312fec14SDave Airlie 744312fec14SDave Airlie static void ast_encoder_commit(struct drm_encoder *encoder) 745312fec14SDave Airlie { 746312fec14SDave Airlie 747312fec14SDave Airlie } 748312fec14SDave Airlie 749312fec14SDave Airlie 750312fec14SDave Airlie static const struct drm_encoder_helper_funcs ast_enc_helper_funcs = { 751312fec14SDave Airlie .dpms = ast_encoder_dpms, 752312fec14SDave Airlie .prepare = ast_encoder_prepare, 753312fec14SDave Airlie .commit = ast_encoder_commit, 754312fec14SDave Airlie .mode_set = ast_encoder_mode_set, 755312fec14SDave Airlie }; 756312fec14SDave Airlie 7577f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 758312fec14SDave Airlie { 759312fec14SDave Airlie struct ast_encoder *ast_encoder; 760312fec14SDave Airlie 761312fec14SDave Airlie ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL); 762312fec14SDave Airlie if (!ast_encoder) 763312fec14SDave Airlie return -ENOMEM; 764312fec14SDave Airlie 765312fec14SDave Airlie drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, 76613a3d91fSVille Syrjälä DRM_MODE_ENCODER_DAC, NULL); 767312fec14SDave Airlie drm_encoder_helper_add(&ast_encoder->base, &ast_enc_helper_funcs); 768312fec14SDave Airlie 769312fec14SDave Airlie ast_encoder->base.possible_crtcs = 1; 770312fec14SDave Airlie return 0; 771312fec14SDave Airlie } 772312fec14SDave Airlie 773312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 774312fec14SDave Airlie { 775312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 77683c6620bSDave Airlie struct ast_private *ast = connector->dev->dev_private; 777312fec14SDave Airlie struct edid *edid; 778312fec14SDave Airlie int ret; 77983c6620bSDave Airlie bool flags = false; 78083c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 78183c6620bSDave Airlie ast->dp501_maxclk = 0xff; 78283c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 78383c6620bSDave Airlie if (!edid) 78483c6620bSDave Airlie return -ENOMEM; 785312fec14SDave Airlie 78683c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 78783c6620bSDave Airlie if (flags) 78883c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 78983c6620bSDave Airlie else 79083c6620bSDave Airlie kfree(edid); 79183c6620bSDave Airlie } 79283c6620bSDave Airlie if (!flags) 793312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 794312fec14SDave Airlie if (edid) { 795c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 796312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 797993dcb05SJani Nikula kfree(edid); 798312fec14SDave Airlie return ret; 799312fec14SDave Airlie } else 800c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 801312fec14SDave Airlie return 0; 802312fec14SDave Airlie } 803312fec14SDave Airlie 804602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 805312fec14SDave Airlie struct drm_display_mode *mode) 806312fec14SDave Airlie { 807f1f62f2cSDave Airlie struct ast_private *ast = connector->dev->dev_private; 808f1f62f2cSDave Airlie int flags = MODE_NOMODE; 809f1f62f2cSDave Airlie uint32_t jtemp; 810f1f62f2cSDave Airlie 811f1f62f2cSDave Airlie if (ast->support_wide_screen) { 812f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 813312fec14SDave Airlie return MODE_OK; 814f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 815f1f62f2cSDave Airlie return MODE_OK; 816f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 817f1f62f2cSDave Airlie return MODE_OK; 818f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 819f1f62f2cSDave Airlie return MODE_OK; 820f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 821f1f62f2cSDave Airlie return MODE_OK; 822f1f62f2cSDave Airlie 8239f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 8249f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 8259f93c8b3SY.C. Chen (ast->chip == AST2500) || (ast->chip == AST1180)) { 826f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 827f1f62f2cSDave Airlie return MODE_OK; 828f1f62f2cSDave Airlie 829f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 830f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 831f1f62f2cSDave Airlie if (jtemp & 0x01) 832f1f62f2cSDave Airlie return MODE_NOMODE; 833f1f62f2cSDave Airlie else 834f1f62f2cSDave Airlie return MODE_OK; 835f1f62f2cSDave Airlie } 836f1f62f2cSDave Airlie } 837f1f62f2cSDave Airlie } 838f1f62f2cSDave Airlie switch (mode->hdisplay) { 839f1f62f2cSDave Airlie case 640: 840f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 841f1f62f2cSDave Airlie break; 842f1f62f2cSDave Airlie case 800: 843f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 844f1f62f2cSDave Airlie break; 845f1f62f2cSDave Airlie case 1024: 846f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 847f1f62f2cSDave Airlie break; 848f1f62f2cSDave Airlie case 1280: 849f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 850f1f62f2cSDave Airlie break; 851f1f62f2cSDave Airlie case 1600: 852f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 853f1f62f2cSDave Airlie break; 854f1f62f2cSDave Airlie default: 855f1f62f2cSDave Airlie return flags; 856f1f62f2cSDave Airlie } 857f1f62f2cSDave Airlie 858f1f62f2cSDave Airlie return flags; 859312fec14SDave Airlie } 860312fec14SDave Airlie 861312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 862312fec14SDave Airlie { 863312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 864312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 86534ea3d38SThomas Wood drm_connector_unregister(connector); 866312fec14SDave Airlie drm_connector_cleanup(connector); 867312fec14SDave Airlie kfree(connector); 868312fec14SDave Airlie } 869312fec14SDave Airlie 870312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 871312fec14SDave Airlie .mode_valid = ast_mode_valid, 872312fec14SDave Airlie .get_modes = ast_get_modes, 873312fec14SDave Airlie .best_encoder = ast_best_single_encoder, 874312fec14SDave Airlie }; 875312fec14SDave Airlie 876312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 877312fec14SDave Airlie .dpms = drm_helper_connector_dpms, 878312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 879312fec14SDave Airlie .destroy = ast_connector_destroy, 880312fec14SDave Airlie }; 881312fec14SDave Airlie 8827f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 883312fec14SDave Airlie { 884312fec14SDave Airlie struct ast_connector *ast_connector; 885312fec14SDave Airlie struct drm_connector *connector; 886312fec14SDave Airlie struct drm_encoder *encoder; 887312fec14SDave Airlie 888312fec14SDave Airlie ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); 889312fec14SDave Airlie if (!ast_connector) 890312fec14SDave Airlie return -ENOMEM; 891312fec14SDave Airlie 892312fec14SDave Airlie connector = &ast_connector->base; 893312fec14SDave Airlie drm_connector_init(dev, connector, &ast_connector_funcs, DRM_MODE_CONNECTOR_VGA); 894312fec14SDave Airlie 895312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 896312fec14SDave Airlie 897312fec14SDave Airlie connector->interlace_allowed = 0; 898312fec14SDave Airlie connector->doublescan_allowed = 0; 899312fec14SDave Airlie 90034ea3d38SThomas Wood drm_connector_register(connector); 901312fec14SDave Airlie 902312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 903312fec14SDave Airlie 904312fec14SDave Airlie encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); 905cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 906312fec14SDave Airlie 907312fec14SDave Airlie ast_connector->i2c = ast_i2c_create(dev); 908312fec14SDave Airlie if (!ast_connector->i2c) 909312fec14SDave Airlie DRM_ERROR("failed to add ddc bus for connector\n"); 910312fec14SDave Airlie 911312fec14SDave Airlie return 0; 912312fec14SDave Airlie } 913312fec14SDave Airlie 914312fec14SDave Airlie /* allocate cursor cache and pin at start of VRAM */ 9157f5ccd44SRashika static int ast_cursor_init(struct drm_device *dev) 916312fec14SDave Airlie { 917312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 918312fec14SDave Airlie int size; 919312fec14SDave Airlie int ret; 920312fec14SDave Airlie struct drm_gem_object *obj; 9215b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 9225b370979SThomas Zimmermann s64 gpu_addr; 9233f87330eSThomas Zimmermann void *base; 924312fec14SDave Airlie 925312fec14SDave Airlie size = (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE) * AST_DEFAULT_HWC_NUM; 926312fec14SDave Airlie 927312fec14SDave Airlie ret = ast_gem_create(dev, size, true, &obj); 928312fec14SDave Airlie if (ret) 929312fec14SDave Airlie return ret; 9305b370979SThomas Zimmermann gbo = drm_gem_vram_of_gem(obj); 9315b370979SThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); 932312fec14SDave Airlie if (ret) 933312fec14SDave Airlie goto fail; 9345b370979SThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 9355b370979SThomas Zimmermann if (gpu_addr < 0) { 9365b370979SThomas Zimmermann drm_gem_vram_unpin(gbo); 9375b370979SThomas Zimmermann ret = (int)gpu_addr; 9385b370979SThomas Zimmermann goto fail; 9395b370979SThomas Zimmermann } 940312fec14SDave Airlie 941312fec14SDave Airlie /* kmap the object */ 942ff771bb1SThomas Zimmermann base = drm_gem_vram_kmap(gbo, true, NULL); 9433f87330eSThomas Zimmermann if (IS_ERR(base)) { 9443f87330eSThomas Zimmermann ret = PTR_ERR(base); 945312fec14SDave Airlie goto fail; 9463f87330eSThomas Zimmermann } 947312fec14SDave Airlie 948312fec14SDave Airlie ast->cursor_cache = obj; 949312fec14SDave Airlie return 0; 950312fec14SDave Airlie fail: 951312fec14SDave Airlie return ret; 952312fec14SDave Airlie } 953312fec14SDave Airlie 9547f5ccd44SRashika static void ast_cursor_fini(struct drm_device *dev) 955312fec14SDave Airlie { 956312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 9573f87330eSThomas Zimmermann struct drm_gem_vram_object *gbo = 9583f87330eSThomas Zimmermann drm_gem_vram_of_gem(ast->cursor_cache); 959ff771bb1SThomas Zimmermann drm_gem_vram_kunmap(gbo); 9604d7553c3SThomas Zimmermann drm_gem_vram_unpin(gbo); 9611feba03fSCihangir Akturk drm_gem_object_put_unlocked(ast->cursor_cache); 962312fec14SDave Airlie } 963312fec14SDave Airlie 964312fec14SDave Airlie int ast_mode_init(struct drm_device *dev) 965312fec14SDave Airlie { 966312fec14SDave Airlie ast_cursor_init(dev); 967312fec14SDave Airlie ast_crtc_init(dev); 968312fec14SDave Airlie ast_encoder_init(dev); 969312fec14SDave Airlie ast_connector_init(dev); 970312fec14SDave Airlie return 0; 971312fec14SDave Airlie } 972312fec14SDave Airlie 973312fec14SDave Airlie void ast_mode_fini(struct drm_device *dev) 974312fec14SDave Airlie { 975312fec14SDave Airlie ast_cursor_fini(dev); 976312fec14SDave Airlie } 977312fec14SDave Airlie 978312fec14SDave Airlie static int get_clock(void *i2c_priv) 979312fec14SDave Airlie { 980312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 981312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 98230062562SY.C. Chen uint32_t val, val2, count, pass; 983312fec14SDave Airlie 98430062562SY.C. Chen count = 0; 98530062562SY.C. Chen pass = 0; 98630062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 98730062562SY.C. Chen do { 98830062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 98930062562SY.C. Chen if (val == val2) { 99030062562SY.C. Chen pass++; 99130062562SY.C. Chen } else { 99230062562SY.C. Chen pass = 0; 99330062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 99430062562SY.C. Chen } 99530062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 99630062562SY.C. Chen 997312fec14SDave Airlie return val & 1 ? 1 : 0; 998312fec14SDave Airlie } 999312fec14SDave Airlie 1000312fec14SDave Airlie static int get_data(void *i2c_priv) 1001312fec14SDave Airlie { 1002312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1003312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 100430062562SY.C. Chen uint32_t val, val2, count, pass; 1005312fec14SDave Airlie 100630062562SY.C. Chen count = 0; 100730062562SY.C. Chen pass = 0; 100830062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 100930062562SY.C. Chen do { 101030062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 101130062562SY.C. Chen if (val == val2) { 101230062562SY.C. Chen pass++; 101330062562SY.C. Chen } else { 101430062562SY.C. Chen pass = 0; 101530062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 101630062562SY.C. Chen } 101730062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 101830062562SY.C. Chen 1019312fec14SDave Airlie return val & 1 ? 1 : 0; 1020312fec14SDave Airlie } 1021312fec14SDave Airlie 1022312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 1023312fec14SDave Airlie { 1024312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1025312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1026312fec14SDave Airlie int i; 1027312fec14SDave Airlie u8 ujcrb7, jtemp; 1028312fec14SDave Airlie 1029312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1030312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 103130062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1032312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1033312fec14SDave Airlie if (ujcrb7 == jtemp) 1034312fec14SDave Airlie break; 1035312fec14SDave Airlie } 1036312fec14SDave Airlie } 1037312fec14SDave Airlie 1038312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1039312fec14SDave Airlie { 1040312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1041312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1042312fec14SDave Airlie int i; 1043312fec14SDave Airlie u8 ujcrb7, jtemp; 1044312fec14SDave Airlie 1045312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1046312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 104730062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1048312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1049312fec14SDave Airlie if (ujcrb7 == jtemp) 1050312fec14SDave Airlie break; 1051312fec14SDave Airlie } 1052312fec14SDave Airlie } 1053312fec14SDave Airlie 1054312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1055312fec14SDave Airlie { 1056312fec14SDave Airlie struct ast_i2c_chan *i2c; 1057312fec14SDave Airlie int ret; 1058312fec14SDave Airlie 1059312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1060312fec14SDave Airlie if (!i2c) 1061312fec14SDave Airlie return NULL; 1062312fec14SDave Airlie 1063312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1064312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1065312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1066312fec14SDave Airlie i2c->dev = dev; 1067312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1068312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1069312fec14SDave Airlie "AST i2c bit bus"); 1070312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1071312fec14SDave Airlie 1072312fec14SDave Airlie i2c->bit.udelay = 20; 1073312fec14SDave Airlie i2c->bit.timeout = 2; 1074312fec14SDave Airlie i2c->bit.data = i2c; 1075312fec14SDave Airlie i2c->bit.setsda = set_data; 1076312fec14SDave Airlie i2c->bit.setscl = set_clock; 1077312fec14SDave Airlie i2c->bit.getsda = get_data; 1078312fec14SDave Airlie i2c->bit.getscl = get_clock; 1079312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1080312fec14SDave Airlie if (ret) { 1081312fec14SDave Airlie DRM_ERROR("Failed to register bit i2c\n"); 1082312fec14SDave Airlie goto out_free; 1083312fec14SDave Airlie } 1084312fec14SDave Airlie 1085312fec14SDave Airlie return i2c; 1086312fec14SDave Airlie out_free: 1087312fec14SDave Airlie kfree(i2c); 1088312fec14SDave Airlie return NULL; 1089312fec14SDave Airlie } 1090312fec14SDave Airlie 1091312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1092312fec14SDave Airlie { 1093312fec14SDave Airlie if (!i2c) 1094312fec14SDave Airlie return; 1095312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1096312fec14SDave Airlie kfree(i2c); 1097312fec14SDave Airlie } 1098312fec14SDave Airlie 10997f5ccd44SRashika static void ast_show_cursor(struct drm_crtc *crtc) 1100312fec14SDave Airlie { 1101312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 1102312fec14SDave Airlie u8 jreg; 1103312fec14SDave Airlie 1104312fec14SDave Airlie jreg = 0x2; 1105312fec14SDave Airlie /* enable ARGB cursor */ 1106312fec14SDave Airlie jreg |= 1; 1107312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 1108312fec14SDave Airlie } 1109312fec14SDave Airlie 11107f5ccd44SRashika static void ast_hide_cursor(struct drm_crtc *crtc) 1111312fec14SDave Airlie { 1112312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 1113312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); 1114312fec14SDave Airlie } 1115312fec14SDave Airlie 1116312fec14SDave Airlie static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) 1117312fec14SDave Airlie { 1118312fec14SDave Airlie union { 1119312fec14SDave Airlie u32 ul; 1120312fec14SDave Airlie u8 b[4]; 1121312fec14SDave Airlie } srcdata32[2], data32; 1122312fec14SDave Airlie union { 1123312fec14SDave Airlie u16 us; 1124312fec14SDave Airlie u8 b[2]; 1125312fec14SDave Airlie } data16; 1126312fec14SDave Airlie u32 csum = 0; 1127312fec14SDave Airlie s32 alpha_dst_delta, last_alpha_dst_delta; 1128312fec14SDave Airlie u8 *srcxor, *dstxor; 1129312fec14SDave Airlie int i, j; 1130312fec14SDave Airlie u32 per_pixel_copy, two_pixel_copy; 1131312fec14SDave Airlie 1132312fec14SDave Airlie alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 1133312fec14SDave Airlie last_alpha_dst_delta = alpha_dst_delta - (width << 1); 1134312fec14SDave Airlie 1135312fec14SDave Airlie srcxor = src; 1136312fec14SDave Airlie dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 1137312fec14SDave Airlie per_pixel_copy = width & 1; 1138312fec14SDave Airlie two_pixel_copy = width >> 1; 1139312fec14SDave Airlie 1140312fec14SDave Airlie for (j = 0; j < height; j++) { 1141312fec14SDave Airlie for (i = 0; i < two_pixel_copy; i++) { 1142312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1143312fec14SDave Airlie srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 1144312fec14SDave Airlie data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1145312fec14SDave Airlie data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 11461e99cfa8SBenjamin Herrenschmidt data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 11471e99cfa8SBenjamin Herrenschmidt data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 1148312fec14SDave Airlie 1149312fec14SDave Airlie writel(data32.ul, dstxor); 1150312fec14SDave Airlie csum += data32.ul; 1151312fec14SDave Airlie 1152312fec14SDave Airlie dstxor += 4; 1153312fec14SDave Airlie srcxor += 8; 1154312fec14SDave Airlie 1155312fec14SDave Airlie } 1156312fec14SDave Airlie 1157312fec14SDave Airlie for (i = 0; i < per_pixel_copy; i++) { 1158312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1159312fec14SDave Airlie data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1160312fec14SDave Airlie data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 1161312fec14SDave Airlie writew(data16.us, dstxor); 1162312fec14SDave Airlie csum += (u32)data16.us; 1163312fec14SDave Airlie 1164312fec14SDave Airlie dstxor += 2; 1165312fec14SDave Airlie srcxor += 4; 1166312fec14SDave Airlie } 1167312fec14SDave Airlie dstxor += last_alpha_dst_delta; 1168312fec14SDave Airlie } 1169312fec14SDave Airlie return csum; 1170312fec14SDave Airlie } 1171312fec14SDave Airlie 1172312fec14SDave Airlie static int ast_cursor_set(struct drm_crtc *crtc, 1173312fec14SDave Airlie struct drm_file *file_priv, 1174312fec14SDave Airlie uint32_t handle, 1175312fec14SDave Airlie uint32_t width, 1176312fec14SDave Airlie uint32_t height) 1177312fec14SDave Airlie { 1178312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 1179312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1180312fec14SDave Airlie struct drm_gem_object *obj; 11815b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 1182ff771bb1SThomas Zimmermann s64 dst_gpu; 1183ff771bb1SThomas Zimmermann u64 gpu_addr; 1184312fec14SDave Airlie u32 csum; 1185312fec14SDave Airlie int ret; 1186312fec14SDave Airlie u8 *src, *dst; 118727072152SThomas Zimmermann 1188312fec14SDave Airlie if (!handle) { 1189312fec14SDave Airlie ast_hide_cursor(crtc); 1190312fec14SDave Airlie return 0; 1191312fec14SDave Airlie } 1192312fec14SDave Airlie 1193312fec14SDave Airlie if (width > AST_MAX_HWC_WIDTH || height > AST_MAX_HWC_HEIGHT) 1194312fec14SDave Airlie return -EINVAL; 1195312fec14SDave Airlie 1196a8ad0bd8SChris Wilson obj = drm_gem_object_lookup(file_priv, handle); 1197312fec14SDave Airlie if (!obj) { 1198312fec14SDave Airlie DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); 1199312fec14SDave Airlie return -ENOENT; 1200312fec14SDave Airlie } 12015b370979SThomas Zimmermann gbo = drm_gem_vram_of_gem(obj); 1202312fec14SDave Airlie 120327072152SThomas Zimmermann ret = drm_gem_vram_pin(gbo, 0); 1204312fec14SDave Airlie if (ret) 120527072152SThomas Zimmermann goto err_drm_gem_object_put_unlocked; 120627072152SThomas Zimmermann src = drm_gem_vram_kmap(gbo, true, NULL); 12073f87330eSThomas Zimmermann if (IS_ERR(src)) { 12083f87330eSThomas Zimmermann ret = PTR_ERR(src); 120927072152SThomas Zimmermann goto err_drm_gem_vram_unpin; 12103f87330eSThomas Zimmermann } 12113f87330eSThomas Zimmermann 1212ff771bb1SThomas Zimmermann dst = drm_gem_vram_kmap(drm_gem_vram_of_gem(ast->cursor_cache), 121327072152SThomas Zimmermann false, NULL); 12143f87330eSThomas Zimmermann if (IS_ERR(dst)) { 12153f87330eSThomas Zimmermann ret = PTR_ERR(dst); 121627072152SThomas Zimmermann goto err_drm_gem_vram_kunmap; 12173f87330eSThomas Zimmermann } 1218ff771bb1SThomas Zimmermann dst_gpu = drm_gem_vram_offset(drm_gem_vram_of_gem(ast->cursor_cache)); 1219ff771bb1SThomas Zimmermann if (dst_gpu < 0) { 1220ff771bb1SThomas Zimmermann ret = (int)dst_gpu; 122127072152SThomas Zimmermann goto err_drm_gem_vram_kunmap; 1222ff771bb1SThomas Zimmermann } 1223312fec14SDave Airlie 1224312fec14SDave Airlie dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; 1225312fec14SDave Airlie 1226312fec14SDave Airlie /* do data transfer to cursor cache */ 1227312fec14SDave Airlie csum = copy_cursor_image(src, dst, width, height); 1228312fec14SDave Airlie 12293f87330eSThomas Zimmermann /* write checksum + signature */ 1230312fec14SDave Airlie { 1231ff771bb1SThomas Zimmermann struct drm_gem_vram_object *dst_gbo = 1232ff771bb1SThomas Zimmermann drm_gem_vram_of_gem(ast->cursor_cache); 1233ff771bb1SThomas Zimmermann u8 *dst = drm_gem_vram_kmap(dst_gbo, false, NULL); 12343f87330eSThomas Zimmermann dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; 1235312fec14SDave Airlie writel(csum, dst); 1236312fec14SDave Airlie writel(width, dst + AST_HWC_SIGNATURE_SizeX); 1237312fec14SDave Airlie writel(height, dst + AST_HWC_SIGNATURE_SizeY); 1238312fec14SDave Airlie writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 1239312fec14SDave Airlie writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 1240312fec14SDave Airlie 1241312fec14SDave Airlie /* set pattern offset */ 1242ff771bb1SThomas Zimmermann gpu_addr = (u64)dst_gpu; 1243312fec14SDave Airlie gpu_addr += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; 1244312fec14SDave Airlie gpu_addr >>= 3; 1245312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, gpu_addr & 0xff); 1246312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, (gpu_addr >> 8) & 0xff); 1247312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, (gpu_addr >> 16) & 0xff); 1248312fec14SDave Airlie } 1249312fec14SDave Airlie ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width; 1250312fec14SDave Airlie ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height; 1251312fec14SDave Airlie 1252312fec14SDave Airlie ast->next_cursor = (ast->next_cursor + 1) % AST_DEFAULT_HWC_NUM; 1253312fec14SDave Airlie 1254312fec14SDave Airlie ast_show_cursor(crtc); 1255312fec14SDave Airlie 125627072152SThomas Zimmermann drm_gem_vram_kunmap(gbo); 125727072152SThomas Zimmermann drm_gem_vram_unpin(gbo); 12581feba03fSCihangir Akturk drm_gem_object_put_unlocked(obj); 125927072152SThomas Zimmermann 1260312fec14SDave Airlie return 0; 12613f87330eSThomas Zimmermann 126227072152SThomas Zimmermann err_drm_gem_vram_kunmap: 126327072152SThomas Zimmermann drm_gem_vram_kunmap(gbo); 126427072152SThomas Zimmermann err_drm_gem_vram_unpin: 126527072152SThomas Zimmermann drm_gem_vram_unpin(gbo); 126627072152SThomas Zimmermann err_drm_gem_object_put_unlocked: 12671feba03fSCihangir Akturk drm_gem_object_put_unlocked(obj); 1268312fec14SDave Airlie return ret; 1269312fec14SDave Airlie } 1270312fec14SDave Airlie 1271312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 1272312fec14SDave Airlie int x, int y) 1273312fec14SDave Airlie { 1274312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1275312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 1276312fec14SDave Airlie int x_offset, y_offset; 1277312fec14SDave Airlie u8 *sig; 1278312fec14SDave Airlie 1279ff771bb1SThomas Zimmermann sig = drm_gem_vram_kmap(drm_gem_vram_of_gem(ast->cursor_cache), 1280ff771bb1SThomas Zimmermann false, NULL); 12813f87330eSThomas Zimmermann sig += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; 1282312fec14SDave Airlie writel(x, sig + AST_HWC_SIGNATURE_X); 1283312fec14SDave Airlie writel(y, sig + AST_HWC_SIGNATURE_Y); 1284312fec14SDave Airlie 1285312fec14SDave Airlie x_offset = ast_crtc->offset_x; 1286312fec14SDave Airlie y_offset = ast_crtc->offset_y; 1287312fec14SDave Airlie if (x < 0) { 1288312fec14SDave Airlie x_offset = (-x) + ast_crtc->offset_x; 1289312fec14SDave Airlie x = 0; 1290312fec14SDave Airlie } 1291312fec14SDave Airlie 1292312fec14SDave Airlie if (y < 0) { 1293312fec14SDave Airlie y_offset = (-y) + ast_crtc->offset_y; 1294312fec14SDave Airlie y = 0; 1295312fec14SDave Airlie } 1296312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 1297312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 1298312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); 1299312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); 1300312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); 1301312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); 1302312fec14SDave Airlie 1303312fec14SDave Airlie /* dummy write to fire HWC */ 13047989b9eeSY.C. Chen ast_show_cursor(crtc); 1305312fec14SDave Airlie 1306312fec14SDave Airlie return 0; 1307312fec14SDave Airlie } 1308