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> 34312fec14SDave Airlie #include "ast_drv.h" 35312fec14SDave Airlie 36312fec14SDave Airlie #include "ast_tables.h" 37312fec14SDave Airlie 38312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 39312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c); 40312fec14SDave Airlie static int ast_cursor_set(struct drm_crtc *crtc, 41312fec14SDave Airlie struct drm_file *file_priv, 42312fec14SDave Airlie uint32_t handle, 43312fec14SDave Airlie uint32_t width, 44312fec14SDave Airlie uint32_t height); 45312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 46312fec14SDave Airlie int x, int y); 47312fec14SDave Airlie 48312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 49312fec14SDave Airlie u8 index, u8 red, u8 green, 50312fec14SDave Airlie u8 blue) 51312fec14SDave Airlie { 52312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 53312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 54312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 55312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 56312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 57312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 58312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 59312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 60312fec14SDave Airlie } 61312fec14SDave Airlie 62312fec14SDave Airlie static void ast_crtc_load_lut(struct drm_crtc *crtc) 63312fec14SDave Airlie { 64312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 65312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 66312fec14SDave Airlie int i; 67312fec14SDave Airlie 68312fec14SDave Airlie if (!crtc->enabled) 69312fec14SDave Airlie return; 70312fec14SDave Airlie 71312fec14SDave Airlie for (i = 0; i < 256; i++) 72312fec14SDave Airlie ast_load_palette_index(ast, i, ast_crtc->lut_r[i], 73312fec14SDave Airlie ast_crtc->lut_g[i], ast_crtc->lut_b[i]); 74312fec14SDave Airlie } 75312fec14SDave Airlie 76312fec14SDave Airlie static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mode *mode, 77312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 78312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 79312fec14SDave Airlie { 80312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 81312fec14SDave Airlie u32 refresh_rate_index = 0, mode_id, color_index, refresh_rate; 82312fec14SDave Airlie u32 hborder, vborder; 8394d12b13SY.C. Chen bool check_sync; 8494d12b13SY.C. Chen struct ast_vbios_enhtable *best = NULL; 85312fec14SDave Airlie 86f4510a27SMatt Roper switch (crtc->primary->fb->bits_per_pixel) { 87312fec14SDave Airlie case 8: 88312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 89312fec14SDave Airlie color_index = VGAModeIndex - 1; 90312fec14SDave Airlie break; 91312fec14SDave Airlie case 16: 92312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 93312fec14SDave Airlie color_index = HiCModeIndex; 94312fec14SDave Airlie break; 95312fec14SDave Airlie case 24: 96312fec14SDave Airlie case 32: 97312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 98312fec14SDave Airlie color_index = TrueCModeIndex; 99312fec14SDave Airlie break; 100312fec14SDave Airlie default: 101312fec14SDave Airlie return false; 102312fec14SDave Airlie } 103312fec14SDave Airlie 104312fec14SDave Airlie switch (crtc->mode.crtc_hdisplay) { 105312fec14SDave Airlie case 640: 106312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 107312fec14SDave Airlie break; 108312fec14SDave Airlie case 800: 109312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 110312fec14SDave Airlie break; 111312fec14SDave Airlie case 1024: 112312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 113312fec14SDave Airlie break; 114312fec14SDave Airlie case 1280: 115312fec14SDave Airlie if (crtc->mode.crtc_vdisplay == 800) 116312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 117312fec14SDave Airlie else 118312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 119312fec14SDave Airlie break; 120f1f62f2cSDave Airlie case 1360: 121f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 122f1f62f2cSDave Airlie break; 123312fec14SDave Airlie case 1440: 124312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 125312fec14SDave Airlie break; 126312fec14SDave Airlie case 1600: 127f1f62f2cSDave Airlie if (crtc->mode.crtc_vdisplay == 900) 128f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 129f1f62f2cSDave Airlie else 130312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 131312fec14SDave Airlie break; 132312fec14SDave Airlie case 1680: 133312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 134312fec14SDave Airlie break; 135312fec14SDave Airlie case 1920: 136312fec14SDave Airlie if (crtc->mode.crtc_vdisplay == 1080) 137312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 138312fec14SDave Airlie else 139312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 140312fec14SDave Airlie break; 141312fec14SDave Airlie default: 142312fec14SDave Airlie return false; 143312fec14SDave Airlie } 144312fec14SDave Airlie 145312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 14694d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 14794d12b13SY.C. Chen do { 14894d12b13SY.C. Chen struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 14994d12b13SY.C. Chen 15094d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 15194d12b13SY.C. Chen if ((check_sync) && 15294d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 15394d12b13SY.C. Chen (loop->flags & PVSync)) || 15494d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 15594d12b13SY.C. Chen (loop->flags & NVSync)) || 15694d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 15794d12b13SY.C. Chen (loop->flags & PHSync)) || 15894d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 15994d12b13SY.C. Chen (loop->flags & NHSync)))) { 16094d12b13SY.C. Chen loop++; 16194d12b13SY.C. Chen continue; 16294d12b13SY.C. Chen } 16394d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 16494d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 16594d12b13SY.C. Chen best = loop; 16694d12b13SY.C. Chen loop++; 16794d12b13SY.C. Chen } 16894d12b13SY.C. Chen if (best || !check_sync) 169312fec14SDave Airlie break; 17094d12b13SY.C. Chen check_sync = 0; 17194d12b13SY.C. Chen } while (1); 17294d12b13SY.C. Chen if (best) 17394d12b13SY.C. Chen vbios_mode->enh_table = best; 174312fec14SDave Airlie 175312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 176312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 177312fec14SDave Airlie 178312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 179312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 180312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 181312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 182312fec14SDave Airlie vbios_mode->enh_table->hfp; 183312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 184312fec14SDave Airlie vbios_mode->enh_table->hfp + 185312fec14SDave Airlie vbios_mode->enh_table->hsync); 186312fec14SDave Airlie 187312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 188312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 189312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 190312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 191312fec14SDave Airlie vbios_mode->enh_table->vfp; 192312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 193312fec14SDave Airlie vbios_mode->enh_table->vfp + 194312fec14SDave Airlie vbios_mode->enh_table->vsync); 195312fec14SDave Airlie 196312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 197312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 198312fec14SDave Airlie 199312fec14SDave Airlie if (ast->chip == AST1180) { 200312fec14SDave Airlie /* TODO 1180 */ 201312fec14SDave Airlie } else { 202312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0xf) << 4)); 203312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 204312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 205312fec14SDave Airlie 206f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 207f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 208312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 209f4510a27SMatt Roper ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, crtc->primary->fb->bits_per_pixel); 210312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 211312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 212312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 213312fec14SDave Airlie 214312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 215312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 216312fec14SDave Airlie } 217f1f62f2cSDave Airlie } 218312fec14SDave Airlie 219312fec14SDave Airlie return true; 220312fec14SDave Airlie 221312fec14SDave Airlie 222312fec14SDave Airlie } 223312fec14SDave Airlie static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 224312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 225312fec14SDave Airlie { 226312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 227312fec14SDave Airlie struct ast_vbios_stdtable *stdtable; 228312fec14SDave Airlie u32 i; 229312fec14SDave Airlie u8 jreg; 230312fec14SDave Airlie 231312fec14SDave Airlie stdtable = vbios_mode->std_table; 232312fec14SDave Airlie 233312fec14SDave Airlie jreg = stdtable->misc; 234312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 235312fec14SDave Airlie 236312fec14SDave Airlie /* Set SEQ */ 237312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 238312fec14SDave Airlie for (i = 0; i < 4; i++) { 239312fec14SDave Airlie jreg = stdtable->seq[i]; 240312fec14SDave Airlie if (!i) 241312fec14SDave Airlie jreg |= 0x20; 242312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 243312fec14SDave Airlie } 244312fec14SDave Airlie 245312fec14SDave Airlie /* Set CRTC */ 246312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 247312fec14SDave Airlie for (i = 0; i < 25; i++) 248312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 249312fec14SDave Airlie 250312fec14SDave Airlie /* set AR */ 251312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 252312fec14SDave Airlie for (i = 0; i < 20; i++) { 253312fec14SDave Airlie jreg = stdtable->ar[i]; 254312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 255312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 256312fec14SDave Airlie } 257312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 258312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 259312fec14SDave Airlie 260312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 261312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 262312fec14SDave Airlie 263312fec14SDave Airlie /* Set GR */ 264312fec14SDave Airlie for (i = 0; i < 9; i++) 265312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 266312fec14SDave Airlie } 267312fec14SDave Airlie 268312fec14SDave Airlie static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 269312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 270312fec14SDave Airlie { 271312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 272312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 273312fec14SDave Airlie u16 temp; 274312fec14SDave Airlie 275312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 276312fec14SDave Airlie 277312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 278312fec14SDave Airlie if (temp & 0x100) 279312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 280312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 281312fec14SDave Airlie 282312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 283312fec14SDave Airlie if (temp & 0x100) 284312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 285312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 286312fec14SDave Airlie 287312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 288312fec14SDave Airlie if (temp & 0x100) 289312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 290312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 291312fec14SDave Airlie 292312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 293312fec14SDave Airlie if (temp & 0x20) 294312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 295312fec14SDave Airlie if (temp & 0x40) 296312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 297312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 298312fec14SDave Airlie 299312fec14SDave Airlie temp = (mode->crtc_hsync_start >> 3) - 1; 300312fec14SDave Airlie if (temp & 0x100) 301312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 302312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 303312fec14SDave Airlie 304312fec14SDave Airlie temp = ((mode->crtc_hsync_end >> 3) - 1) & 0x3f; 305312fec14SDave Airlie if (temp & 0x20) 306312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 307312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 308312fec14SDave Airlie 309312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 310312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 311312fec14SDave Airlie 312312fec14SDave Airlie /* vert timings */ 313312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 314312fec14SDave Airlie if (temp & 0x100) 315312fec14SDave Airlie jreg07 |= 0x01; 316312fec14SDave Airlie if (temp & 0x200) 317312fec14SDave Airlie jreg07 |= 0x20; 318312fec14SDave Airlie if (temp & 0x400) 319312fec14SDave Airlie jregAE |= 0x01; 320312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 321312fec14SDave Airlie 322312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 323312fec14SDave Airlie if (temp & 0x100) 324312fec14SDave Airlie jreg07 |= 0x04; 325312fec14SDave Airlie if (temp & 0x200) 326312fec14SDave Airlie jreg07 |= 0x80; 327312fec14SDave Airlie if (temp & 0x400) 328312fec14SDave Airlie jregAE |= 0x08; 329312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 330312fec14SDave Airlie 331312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 332312fec14SDave Airlie if (temp & 0x10) 333312fec14SDave Airlie jregAE |= 0x20; 334312fec14SDave Airlie if (temp & 0x20) 335312fec14SDave Airlie jregAE |= 0x40; 336312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 337312fec14SDave Airlie 338312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 339312fec14SDave Airlie if (temp & 0x100) 340312fec14SDave Airlie jreg07 |= 0x02; 341312fec14SDave Airlie if (temp & 0x200) 342312fec14SDave Airlie jreg07 |= 0x40; 343312fec14SDave Airlie if (temp & 0x400) 344312fec14SDave Airlie jregAE |= 0x02; 345312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 346312fec14SDave Airlie 347312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 348312fec14SDave Airlie if (temp & 0x100) 349312fec14SDave Airlie jreg07 |= 0x08; 350312fec14SDave Airlie if (temp & 0x200) 351312fec14SDave Airlie jreg09 |= 0x20; 352312fec14SDave Airlie if (temp & 0x400) 353312fec14SDave Airlie jregAE |= 0x04; 354312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 355312fec14SDave Airlie 356312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 357312fec14SDave Airlie if (temp & 0x100) 358312fec14SDave Airlie jregAE |= 0x10; 359312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 360312fec14SDave Airlie 361312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 362312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 363312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 364312fec14SDave Airlie 365312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 366312fec14SDave Airlie } 367312fec14SDave Airlie 368312fec14SDave Airlie static void ast_set_offset_reg(struct drm_crtc *crtc) 369312fec14SDave Airlie { 370312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 371312fec14SDave Airlie 372312fec14SDave Airlie u16 offset; 373312fec14SDave Airlie 374f4510a27SMatt Roper offset = crtc->primary->fb->pitches[0] >> 3; 375312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 376312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 377312fec14SDave Airlie } 378312fec14SDave Airlie 379312fec14SDave Airlie static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mode, 380312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 381312fec14SDave Airlie { 382312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 383312fec14SDave Airlie struct ast_vbios_dclk_info *clk_info; 384312fec14SDave Airlie 385312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 386312fec14SDave Airlie 387312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 388312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 389312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 390312fec14SDave Airlie (clk_info->param3 & 0x80) | ((clk_info->param3 & 0x3) << 4)); 391312fec14SDave Airlie } 392312fec14SDave Airlie 393312fec14SDave Airlie static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 394312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 395312fec14SDave Airlie { 396312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 397312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 398312fec14SDave Airlie 399f4510a27SMatt Roper switch (crtc->primary->fb->bits_per_pixel) { 400312fec14SDave Airlie case 8: 401312fec14SDave Airlie jregA0 = 0x70; 402312fec14SDave Airlie jregA3 = 0x01; 403312fec14SDave Airlie jregA8 = 0x00; 404312fec14SDave Airlie break; 405312fec14SDave Airlie case 15: 406312fec14SDave Airlie case 16: 407312fec14SDave Airlie jregA0 = 0x70; 408312fec14SDave Airlie jregA3 = 0x04; 409312fec14SDave Airlie jregA8 = 0x02; 410312fec14SDave Airlie break; 411312fec14SDave Airlie case 32: 412312fec14SDave Airlie jregA0 = 0x70; 413312fec14SDave Airlie jregA3 = 0x08; 414312fec14SDave Airlie jregA8 = 0x02; 415312fec14SDave Airlie break; 416312fec14SDave Airlie } 417312fec14SDave Airlie 418312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 419312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 420312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 421312fec14SDave Airlie 422312fec14SDave Airlie /* Set Threshold */ 4231453bf4cSDave Airlie if (ast->chip == AST2300 || ast->chip == AST2400) { 424312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 425312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 426312fec14SDave Airlie } else if (ast->chip == AST2100 || 427312fec14SDave Airlie ast->chip == AST1100 || 428312fec14SDave Airlie ast->chip == AST2200 || 429312fec14SDave Airlie ast->chip == AST2150) { 430312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 431312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 432312fec14SDave Airlie } else { 433312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 434312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 435312fec14SDave Airlie } 436312fec14SDave Airlie } 437312fec14SDave Airlie 4387f5ccd44SRashika static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mode, 439312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 440312fec14SDave Airlie { 441312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 442312fec14SDave Airlie u8 jreg; 443312fec14SDave Airlie 444312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 44594d12b13SY.C. Chen jreg &= ~0xC0; 44694d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 44794d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 448312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 449312fec14SDave Airlie } 450312fec14SDave Airlie 4517f5ccd44SRashika static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 452312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 453312fec14SDave Airlie { 454f4510a27SMatt Roper switch (crtc->primary->fb->bits_per_pixel) { 455312fec14SDave Airlie case 8: 456312fec14SDave Airlie break; 457312fec14SDave Airlie default: 458312fec14SDave Airlie return false; 459312fec14SDave Airlie } 460312fec14SDave Airlie return true; 461312fec14SDave Airlie } 462312fec14SDave Airlie 4637f5ccd44SRashika static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset) 464312fec14SDave Airlie { 465312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 466312fec14SDave Airlie u32 addr; 467312fec14SDave Airlie 468312fec14SDave Airlie addr = offset >> 2; 469312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 470312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 471312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 472312fec14SDave Airlie 473312fec14SDave Airlie } 474312fec14SDave Airlie 475312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 476312fec14SDave Airlie { 477312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 478312fec14SDave Airlie 479312fec14SDave Airlie if (ast->chip == AST1180) 480312fec14SDave Airlie return; 481312fec14SDave Airlie 482312fec14SDave Airlie switch (mode) { 483312fec14SDave Airlie case DRM_MODE_DPMS_ON: 484312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 485312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 486312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 48783c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 48883c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 489312fec14SDave Airlie ast_crtc_load_lut(crtc); 490312fec14SDave Airlie break; 491312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 49283c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 49383c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 494312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 495312fec14SDave Airlie break; 496312fec14SDave Airlie } 497312fec14SDave Airlie } 498312fec14SDave Airlie 499312fec14SDave Airlie static bool ast_crtc_mode_fixup(struct drm_crtc *crtc, 500e811f5aeSLaurent Pinchart const struct drm_display_mode *mode, 501312fec14SDave Airlie struct drm_display_mode *adjusted_mode) 502312fec14SDave Airlie { 503312fec14SDave Airlie return true; 504312fec14SDave Airlie } 505312fec14SDave Airlie 506312fec14SDave Airlie /* ast is different - we will force move buffers out of VRAM */ 507312fec14SDave Airlie static int ast_crtc_do_set_base(struct drm_crtc *crtc, 508312fec14SDave Airlie struct drm_framebuffer *fb, 509312fec14SDave Airlie int x, int y, int atomic) 510312fec14SDave Airlie { 511312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 512312fec14SDave Airlie struct drm_gem_object *obj; 513312fec14SDave Airlie struct ast_framebuffer *ast_fb; 514312fec14SDave Airlie struct ast_bo *bo; 515312fec14SDave Airlie int ret; 516312fec14SDave Airlie u64 gpu_addr; 517312fec14SDave Airlie 518312fec14SDave Airlie /* push the previous fb to system ram */ 519312fec14SDave Airlie if (!atomic && fb) { 520312fec14SDave Airlie ast_fb = to_ast_framebuffer(fb); 521312fec14SDave Airlie obj = ast_fb->obj; 522312fec14SDave Airlie bo = gem_to_ast_bo(obj); 523312fec14SDave Airlie ret = ast_bo_reserve(bo, false); 524312fec14SDave Airlie if (ret) 525312fec14SDave Airlie return ret; 526312fec14SDave Airlie ast_bo_push_sysram(bo); 527312fec14SDave Airlie ast_bo_unreserve(bo); 528312fec14SDave Airlie } 529312fec14SDave Airlie 530f4510a27SMatt Roper ast_fb = to_ast_framebuffer(crtc->primary->fb); 531312fec14SDave Airlie obj = ast_fb->obj; 532312fec14SDave Airlie bo = gem_to_ast_bo(obj); 533312fec14SDave Airlie 534312fec14SDave Airlie ret = ast_bo_reserve(bo, false); 535312fec14SDave Airlie if (ret) 536312fec14SDave Airlie return ret; 537312fec14SDave Airlie 538312fec14SDave Airlie ret = ast_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); 539312fec14SDave Airlie if (ret) { 540312fec14SDave Airlie ast_bo_unreserve(bo); 541312fec14SDave Airlie return ret; 542312fec14SDave Airlie } 543312fec14SDave Airlie 544312fec14SDave Airlie if (&ast->fbdev->afb == ast_fb) { 545312fec14SDave Airlie /* if pushing console in kmap it */ 546312fec14SDave Airlie ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); 547312fec14SDave Airlie if (ret) 548312fec14SDave Airlie DRM_ERROR("failed to kmap fbcon\n"); 549312fec14SDave Airlie } 550312fec14SDave Airlie ast_bo_unreserve(bo); 551312fec14SDave Airlie 552312fec14SDave Airlie ast_set_start_address_crt1(crtc, (u32)gpu_addr); 553312fec14SDave Airlie 554312fec14SDave Airlie return 0; 555312fec14SDave Airlie } 556312fec14SDave Airlie 557312fec14SDave Airlie static int ast_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 558312fec14SDave Airlie struct drm_framebuffer *old_fb) 559312fec14SDave Airlie { 560312fec14SDave Airlie return ast_crtc_do_set_base(crtc, old_fb, x, y, 0); 561312fec14SDave Airlie } 562312fec14SDave Airlie 563312fec14SDave Airlie static int ast_crtc_mode_set(struct drm_crtc *crtc, 564312fec14SDave Airlie struct drm_display_mode *mode, 565312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 566312fec14SDave Airlie int x, int y, 567312fec14SDave Airlie struct drm_framebuffer *old_fb) 568312fec14SDave Airlie { 569312fec14SDave Airlie struct drm_device *dev = crtc->dev; 570312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 571312fec14SDave Airlie struct ast_vbios_mode_info vbios_mode; 572312fec14SDave Airlie bool ret; 573312fec14SDave Airlie if (ast->chip == AST1180) { 574312fec14SDave Airlie DRM_ERROR("AST 1180 modesetting not supported\n"); 575312fec14SDave Airlie return -EINVAL; 576312fec14SDave Airlie } 577312fec14SDave Airlie 578312fec14SDave Airlie ret = ast_get_vbios_mode_info(crtc, mode, adjusted_mode, &vbios_mode); 579312fec14SDave Airlie if (ret == false) 580312fec14SDave Airlie return -EINVAL; 581312fec14SDave Airlie ast_open_key(ast); 582312fec14SDave Airlie 583312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x04); 584312fec14SDave Airlie 585312fec14SDave Airlie ast_set_std_reg(crtc, adjusted_mode, &vbios_mode); 586312fec14SDave Airlie ast_set_crtc_reg(crtc, adjusted_mode, &vbios_mode); 587312fec14SDave Airlie ast_set_offset_reg(crtc); 588312fec14SDave Airlie ast_set_dclk_reg(dev, adjusted_mode, &vbios_mode); 589312fec14SDave Airlie ast_set_ext_reg(crtc, adjusted_mode, &vbios_mode); 590312fec14SDave Airlie ast_set_sync_reg(dev, adjusted_mode, &vbios_mode); 591312fec14SDave Airlie ast_set_dac_reg(crtc, adjusted_mode, &vbios_mode); 592312fec14SDave Airlie 593312fec14SDave Airlie ast_crtc_mode_set_base(crtc, x, y, old_fb); 594312fec14SDave Airlie 595312fec14SDave Airlie return 0; 596312fec14SDave Airlie } 597312fec14SDave Airlie 598312fec14SDave Airlie static void ast_crtc_disable(struct drm_crtc *crtc) 599312fec14SDave Airlie { 600312fec14SDave Airlie 601312fec14SDave Airlie } 602312fec14SDave Airlie 603312fec14SDave Airlie static void ast_crtc_prepare(struct drm_crtc *crtc) 604312fec14SDave Airlie { 605312fec14SDave Airlie 606312fec14SDave Airlie } 607312fec14SDave Airlie 608312fec14SDave Airlie static void ast_crtc_commit(struct drm_crtc *crtc) 609312fec14SDave Airlie { 610312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 611312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 612312fec14SDave Airlie } 613312fec14SDave Airlie 614312fec14SDave Airlie 615312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 616312fec14SDave Airlie .dpms = ast_crtc_dpms, 617312fec14SDave Airlie .mode_fixup = ast_crtc_mode_fixup, 618312fec14SDave Airlie .mode_set = ast_crtc_mode_set, 619312fec14SDave Airlie .mode_set_base = ast_crtc_mode_set_base, 620312fec14SDave Airlie .disable = ast_crtc_disable, 621312fec14SDave Airlie .load_lut = ast_crtc_load_lut, 622312fec14SDave Airlie .prepare = ast_crtc_prepare, 623312fec14SDave Airlie .commit = ast_crtc_commit, 624312fec14SDave Airlie 625312fec14SDave Airlie }; 626312fec14SDave Airlie 627312fec14SDave Airlie static void ast_crtc_reset(struct drm_crtc *crtc) 628312fec14SDave Airlie { 629312fec14SDave Airlie 630312fec14SDave Airlie } 631312fec14SDave Airlie 632312fec14SDave Airlie static void ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 633312fec14SDave Airlie u16 *blue, uint32_t start, uint32_t size) 634312fec14SDave Airlie { 635312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 636312fec14SDave Airlie int end = (start + size > 256) ? 256 : start + size, i; 637312fec14SDave Airlie 638312fec14SDave Airlie /* userspace palettes are always correct as is */ 639312fec14SDave Airlie for (i = start; i < end; i++) { 640312fec14SDave Airlie ast_crtc->lut_r[i] = red[i] >> 8; 641312fec14SDave Airlie ast_crtc->lut_g[i] = green[i] >> 8; 642312fec14SDave Airlie ast_crtc->lut_b[i] = blue[i] >> 8; 643312fec14SDave Airlie } 644312fec14SDave Airlie ast_crtc_load_lut(crtc); 645312fec14SDave Airlie } 646312fec14SDave Airlie 647312fec14SDave Airlie 648312fec14SDave Airlie static void ast_crtc_destroy(struct drm_crtc *crtc) 649312fec14SDave Airlie { 650312fec14SDave Airlie drm_crtc_cleanup(crtc); 651312fec14SDave Airlie kfree(crtc); 652312fec14SDave Airlie } 653312fec14SDave Airlie 654312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 655312fec14SDave Airlie .cursor_set = ast_cursor_set, 656312fec14SDave Airlie .cursor_move = ast_cursor_move, 657312fec14SDave Airlie .reset = ast_crtc_reset, 658312fec14SDave Airlie .set_config = drm_crtc_helper_set_config, 659312fec14SDave Airlie .gamma_set = ast_crtc_gamma_set, 660312fec14SDave Airlie .destroy = ast_crtc_destroy, 661312fec14SDave Airlie }; 662312fec14SDave Airlie 6637f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 664312fec14SDave Airlie { 665312fec14SDave Airlie struct ast_crtc *crtc; 666312fec14SDave Airlie int i; 667312fec14SDave Airlie 668312fec14SDave Airlie crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); 669312fec14SDave Airlie if (!crtc) 670312fec14SDave Airlie return -ENOMEM; 671312fec14SDave Airlie 672312fec14SDave Airlie drm_crtc_init(dev, &crtc->base, &ast_crtc_funcs); 673312fec14SDave Airlie drm_mode_crtc_set_gamma_size(&crtc->base, 256); 674312fec14SDave Airlie drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); 675312fec14SDave Airlie 676312fec14SDave Airlie for (i = 0; i < 256; i++) { 677312fec14SDave Airlie crtc->lut_r[i] = i; 678312fec14SDave Airlie crtc->lut_g[i] = i; 679312fec14SDave Airlie crtc->lut_b[i] = i; 680312fec14SDave Airlie } 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 691312fec14SDave Airlie static struct drm_encoder *ast_best_single_encoder(struct drm_connector *connector) 692312fec14SDave Airlie { 693312fec14SDave Airlie int enc_id = connector->encoder_ids[0]; 694312fec14SDave Airlie /* pick the encoder ids */ 69570e26260SRob Clark if (enc_id) 69670e26260SRob Clark return drm_encoder_find(connector->dev, enc_id); 697312fec14SDave Airlie return NULL; 698312fec14SDave Airlie } 699312fec14SDave Airlie 700312fec14SDave Airlie 701312fec14SDave Airlie static const struct drm_encoder_funcs ast_enc_funcs = { 702312fec14SDave Airlie .destroy = ast_encoder_destroy, 703312fec14SDave Airlie }; 704312fec14SDave Airlie 705312fec14SDave Airlie static void ast_encoder_dpms(struct drm_encoder *encoder, int mode) 706312fec14SDave Airlie { 707312fec14SDave Airlie 708312fec14SDave Airlie } 709312fec14SDave Airlie 710312fec14SDave Airlie static bool ast_mode_fixup(struct drm_encoder *encoder, 711e811f5aeSLaurent Pinchart const struct drm_display_mode *mode, 712312fec14SDave Airlie struct drm_display_mode *adjusted_mode) 713312fec14SDave Airlie { 714312fec14SDave Airlie return true; 715312fec14SDave Airlie } 716312fec14SDave Airlie 717312fec14SDave Airlie static void ast_encoder_mode_set(struct drm_encoder *encoder, 718312fec14SDave Airlie struct drm_display_mode *mode, 719312fec14SDave Airlie struct drm_display_mode *adjusted_mode) 720312fec14SDave Airlie { 721312fec14SDave Airlie } 722312fec14SDave Airlie 723312fec14SDave Airlie static void ast_encoder_prepare(struct drm_encoder *encoder) 724312fec14SDave Airlie { 725312fec14SDave Airlie 726312fec14SDave Airlie } 727312fec14SDave Airlie 728312fec14SDave Airlie static void ast_encoder_commit(struct drm_encoder *encoder) 729312fec14SDave Airlie { 730312fec14SDave Airlie 731312fec14SDave Airlie } 732312fec14SDave Airlie 733312fec14SDave Airlie 734312fec14SDave Airlie static const struct drm_encoder_helper_funcs ast_enc_helper_funcs = { 735312fec14SDave Airlie .dpms = ast_encoder_dpms, 736312fec14SDave Airlie .mode_fixup = ast_mode_fixup, 737312fec14SDave Airlie .prepare = ast_encoder_prepare, 738312fec14SDave Airlie .commit = ast_encoder_commit, 739312fec14SDave Airlie .mode_set = ast_encoder_mode_set, 740312fec14SDave Airlie }; 741312fec14SDave Airlie 7427f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 743312fec14SDave Airlie { 744312fec14SDave Airlie struct ast_encoder *ast_encoder; 745312fec14SDave Airlie 746312fec14SDave Airlie ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL); 747312fec14SDave Airlie if (!ast_encoder) 748312fec14SDave Airlie return -ENOMEM; 749312fec14SDave Airlie 750312fec14SDave Airlie drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, 751312fec14SDave Airlie DRM_MODE_ENCODER_DAC); 752312fec14SDave Airlie drm_encoder_helper_add(&ast_encoder->base, &ast_enc_helper_funcs); 753312fec14SDave Airlie 754312fec14SDave Airlie ast_encoder->base.possible_crtcs = 1; 755312fec14SDave Airlie return 0; 756312fec14SDave Airlie } 757312fec14SDave Airlie 758312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 759312fec14SDave Airlie { 760312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 76183c6620bSDave Airlie struct ast_private *ast = connector->dev->dev_private; 762312fec14SDave Airlie struct edid *edid; 763312fec14SDave Airlie int ret; 76483c6620bSDave Airlie bool flags = false; 76583c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 76683c6620bSDave Airlie ast->dp501_maxclk = 0xff; 76783c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 76883c6620bSDave Airlie if (!edid) 76983c6620bSDave Airlie return -ENOMEM; 770312fec14SDave Airlie 77183c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 77283c6620bSDave Airlie if (flags) 77383c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 77483c6620bSDave Airlie else 77583c6620bSDave Airlie kfree(edid); 77683c6620bSDave Airlie } 77783c6620bSDave Airlie if (!flags) 778312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 779312fec14SDave Airlie if (edid) { 780312fec14SDave Airlie drm_mode_connector_update_edid_property(&ast_connector->base, edid); 781312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 782993dcb05SJani Nikula kfree(edid); 783312fec14SDave Airlie return ret; 784312fec14SDave Airlie } else 785312fec14SDave Airlie drm_mode_connector_update_edid_property(&ast_connector->base, NULL); 786312fec14SDave Airlie return 0; 787312fec14SDave Airlie } 788312fec14SDave Airlie 789312fec14SDave Airlie static int ast_mode_valid(struct drm_connector *connector, 790312fec14SDave Airlie struct drm_display_mode *mode) 791312fec14SDave Airlie { 792f1f62f2cSDave Airlie struct ast_private *ast = connector->dev->dev_private; 793f1f62f2cSDave Airlie int flags = MODE_NOMODE; 794f1f62f2cSDave Airlie uint32_t jtemp; 795f1f62f2cSDave Airlie 796f1f62f2cSDave Airlie if (ast->support_wide_screen) { 797f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 798312fec14SDave Airlie return MODE_OK; 799f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 800f1f62f2cSDave Airlie return MODE_OK; 801f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 802f1f62f2cSDave Airlie return MODE_OK; 803f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 804f1f62f2cSDave Airlie return MODE_OK; 805f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 806f1f62f2cSDave Airlie return MODE_OK; 807f1f62f2cSDave Airlie 8081453bf4cSDave Airlie if ((ast->chip == AST2100) || (ast->chip == AST2200) || (ast->chip == AST2300) || (ast->chip == AST2400) || (ast->chip == AST1180)) { 809f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 810f1f62f2cSDave Airlie return MODE_OK; 811f1f62f2cSDave Airlie 812f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 813f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 814f1f62f2cSDave Airlie if (jtemp & 0x01) 815f1f62f2cSDave Airlie return MODE_NOMODE; 816f1f62f2cSDave Airlie else 817f1f62f2cSDave Airlie return MODE_OK; 818f1f62f2cSDave Airlie } 819f1f62f2cSDave Airlie } 820f1f62f2cSDave Airlie } 821f1f62f2cSDave Airlie switch (mode->hdisplay) { 822f1f62f2cSDave Airlie case 640: 823f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 824f1f62f2cSDave Airlie break; 825f1f62f2cSDave Airlie case 800: 826f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 827f1f62f2cSDave Airlie break; 828f1f62f2cSDave Airlie case 1024: 829f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 830f1f62f2cSDave Airlie break; 831f1f62f2cSDave Airlie case 1280: 832f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 833f1f62f2cSDave Airlie break; 834f1f62f2cSDave Airlie case 1600: 835f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 836f1f62f2cSDave Airlie break; 837f1f62f2cSDave Airlie default: 838f1f62f2cSDave Airlie return flags; 839f1f62f2cSDave Airlie } 840f1f62f2cSDave Airlie 841f1f62f2cSDave Airlie return flags; 842312fec14SDave Airlie } 843312fec14SDave Airlie 844312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 845312fec14SDave Airlie { 846312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 847312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 84834ea3d38SThomas Wood drm_connector_unregister(connector); 849312fec14SDave Airlie drm_connector_cleanup(connector); 850312fec14SDave Airlie kfree(connector); 851312fec14SDave Airlie } 852312fec14SDave Airlie 853312fec14SDave Airlie static enum drm_connector_status 854312fec14SDave Airlie ast_connector_detect(struct drm_connector *connector, bool force) 855312fec14SDave Airlie { 856312fec14SDave Airlie return connector_status_connected; 857312fec14SDave Airlie } 858312fec14SDave Airlie 859312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 860312fec14SDave Airlie .mode_valid = ast_mode_valid, 861312fec14SDave Airlie .get_modes = ast_get_modes, 862312fec14SDave Airlie .best_encoder = ast_best_single_encoder, 863312fec14SDave Airlie }; 864312fec14SDave Airlie 865312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 866312fec14SDave Airlie .dpms = drm_helper_connector_dpms, 867312fec14SDave Airlie .detect = ast_connector_detect, 868312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 869312fec14SDave Airlie .destroy = ast_connector_destroy, 870312fec14SDave Airlie }; 871312fec14SDave Airlie 8727f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 873312fec14SDave Airlie { 874312fec14SDave Airlie struct ast_connector *ast_connector; 875312fec14SDave Airlie struct drm_connector *connector; 876312fec14SDave Airlie struct drm_encoder *encoder; 877312fec14SDave Airlie 878312fec14SDave Airlie ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); 879312fec14SDave Airlie if (!ast_connector) 880312fec14SDave Airlie return -ENOMEM; 881312fec14SDave Airlie 882312fec14SDave Airlie connector = &ast_connector->base; 883312fec14SDave Airlie drm_connector_init(dev, connector, &ast_connector_funcs, DRM_MODE_CONNECTOR_VGA); 884312fec14SDave Airlie 885312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 886312fec14SDave Airlie 887312fec14SDave Airlie connector->interlace_allowed = 0; 888312fec14SDave Airlie connector->doublescan_allowed = 0; 889312fec14SDave Airlie 89034ea3d38SThomas Wood drm_connector_register(connector); 891312fec14SDave Airlie 892312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 893312fec14SDave Airlie 894312fec14SDave Airlie encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); 895312fec14SDave Airlie drm_mode_connector_attach_encoder(connector, encoder); 896312fec14SDave Airlie 897312fec14SDave Airlie ast_connector->i2c = ast_i2c_create(dev); 898312fec14SDave Airlie if (!ast_connector->i2c) 899312fec14SDave Airlie DRM_ERROR("failed to add ddc bus for connector\n"); 900312fec14SDave Airlie 901312fec14SDave Airlie return 0; 902312fec14SDave Airlie } 903312fec14SDave Airlie 904312fec14SDave Airlie /* allocate cursor cache and pin at start of VRAM */ 9057f5ccd44SRashika static int ast_cursor_init(struct drm_device *dev) 906312fec14SDave Airlie { 907312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 908312fec14SDave Airlie int size; 909312fec14SDave Airlie int ret; 910312fec14SDave Airlie struct drm_gem_object *obj; 911312fec14SDave Airlie struct ast_bo *bo; 912312fec14SDave Airlie uint64_t gpu_addr; 913312fec14SDave Airlie 914312fec14SDave Airlie size = (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE) * AST_DEFAULT_HWC_NUM; 915312fec14SDave Airlie 916312fec14SDave Airlie ret = ast_gem_create(dev, size, true, &obj); 917312fec14SDave Airlie if (ret) 918312fec14SDave Airlie return ret; 919312fec14SDave Airlie bo = gem_to_ast_bo(obj); 920312fec14SDave Airlie ret = ast_bo_reserve(bo, false); 921312fec14SDave Airlie if (unlikely(ret != 0)) 922312fec14SDave Airlie goto fail; 923312fec14SDave Airlie 924312fec14SDave Airlie ret = ast_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); 925312fec14SDave Airlie ast_bo_unreserve(bo); 926312fec14SDave Airlie if (ret) 927312fec14SDave Airlie goto fail; 928312fec14SDave Airlie 929312fec14SDave Airlie /* kmap the object */ 930312fec14SDave Airlie ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &ast->cache_kmap); 931312fec14SDave Airlie if (ret) 932312fec14SDave Airlie goto fail; 933312fec14SDave Airlie 934312fec14SDave Airlie ast->cursor_cache = obj; 935312fec14SDave Airlie ast->cursor_cache_gpu_addr = gpu_addr; 9360273de08SDave Airlie DRM_DEBUG_KMS("pinned cursor cache at %llx\n", ast->cursor_cache_gpu_addr); 937312fec14SDave Airlie return 0; 938312fec14SDave Airlie fail: 939312fec14SDave Airlie return ret; 940312fec14SDave Airlie } 941312fec14SDave Airlie 9427f5ccd44SRashika static void ast_cursor_fini(struct drm_device *dev) 943312fec14SDave Airlie { 944312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 945312fec14SDave Airlie ttm_bo_kunmap(&ast->cache_kmap); 946312fec14SDave Airlie drm_gem_object_unreference_unlocked(ast->cursor_cache); 947312fec14SDave Airlie } 948312fec14SDave Airlie 949312fec14SDave Airlie int ast_mode_init(struct drm_device *dev) 950312fec14SDave Airlie { 951312fec14SDave Airlie ast_cursor_init(dev); 952312fec14SDave Airlie ast_crtc_init(dev); 953312fec14SDave Airlie ast_encoder_init(dev); 954312fec14SDave Airlie ast_connector_init(dev); 955312fec14SDave Airlie return 0; 956312fec14SDave Airlie } 957312fec14SDave Airlie 958312fec14SDave Airlie void ast_mode_fini(struct drm_device *dev) 959312fec14SDave Airlie { 960312fec14SDave Airlie ast_cursor_fini(dev); 961312fec14SDave Airlie } 962312fec14SDave Airlie 963312fec14SDave Airlie static int get_clock(void *i2c_priv) 964312fec14SDave Airlie { 965312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 966312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 967312fec14SDave Airlie uint32_t val; 968312fec14SDave Airlie 969312fec14SDave Airlie val = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4; 970312fec14SDave Airlie return val & 1 ? 1 : 0; 971312fec14SDave Airlie } 972312fec14SDave Airlie 973312fec14SDave Airlie static int get_data(void *i2c_priv) 974312fec14SDave Airlie { 975312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 976312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 977312fec14SDave Airlie uint32_t val; 978312fec14SDave Airlie 979312fec14SDave Airlie val = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5; 980312fec14SDave Airlie return val & 1 ? 1 : 0; 981312fec14SDave Airlie } 982312fec14SDave Airlie 983312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 984312fec14SDave Airlie { 985312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 986312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 987312fec14SDave Airlie int i; 988312fec14SDave Airlie u8 ujcrb7, jtemp; 989312fec14SDave Airlie 990312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 991312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 992312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xfe, ujcrb7); 993312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 994312fec14SDave Airlie if (ujcrb7 == jtemp) 995312fec14SDave Airlie break; 996312fec14SDave Airlie } 997312fec14SDave Airlie } 998312fec14SDave Airlie 999312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1000312fec14SDave Airlie { 1001312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1002312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1003312fec14SDave Airlie int i; 1004312fec14SDave Airlie u8 ujcrb7, jtemp; 1005312fec14SDave Airlie 1006312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1007312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 1008312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xfb, ujcrb7); 1009312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1010312fec14SDave Airlie if (ujcrb7 == jtemp) 1011312fec14SDave Airlie break; 1012312fec14SDave Airlie } 1013312fec14SDave Airlie } 1014312fec14SDave Airlie 1015312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1016312fec14SDave Airlie { 1017312fec14SDave Airlie struct ast_i2c_chan *i2c; 1018312fec14SDave Airlie int ret; 1019312fec14SDave Airlie 1020312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1021312fec14SDave Airlie if (!i2c) 1022312fec14SDave Airlie return NULL; 1023312fec14SDave Airlie 1024312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1025312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1026312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1027312fec14SDave Airlie i2c->dev = dev; 1028312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1029312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1030312fec14SDave Airlie "AST i2c bit bus"); 1031312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1032312fec14SDave Airlie 1033312fec14SDave Airlie i2c->bit.udelay = 20; 1034312fec14SDave Airlie i2c->bit.timeout = 2; 1035312fec14SDave Airlie i2c->bit.data = i2c; 1036312fec14SDave Airlie i2c->bit.setsda = set_data; 1037312fec14SDave Airlie i2c->bit.setscl = set_clock; 1038312fec14SDave Airlie i2c->bit.getsda = get_data; 1039312fec14SDave Airlie i2c->bit.getscl = get_clock; 1040312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1041312fec14SDave Airlie if (ret) { 1042312fec14SDave Airlie DRM_ERROR("Failed to register bit i2c\n"); 1043312fec14SDave Airlie goto out_free; 1044312fec14SDave Airlie } 1045312fec14SDave Airlie 1046312fec14SDave Airlie return i2c; 1047312fec14SDave Airlie out_free: 1048312fec14SDave Airlie kfree(i2c); 1049312fec14SDave Airlie return NULL; 1050312fec14SDave Airlie } 1051312fec14SDave Airlie 1052312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1053312fec14SDave Airlie { 1054312fec14SDave Airlie if (!i2c) 1055312fec14SDave Airlie return; 1056312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1057312fec14SDave Airlie kfree(i2c); 1058312fec14SDave Airlie } 1059312fec14SDave Airlie 10607f5ccd44SRashika static void ast_show_cursor(struct drm_crtc *crtc) 1061312fec14SDave Airlie { 1062312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 1063312fec14SDave Airlie u8 jreg; 1064312fec14SDave Airlie 1065312fec14SDave Airlie jreg = 0x2; 1066312fec14SDave Airlie /* enable ARGB cursor */ 1067312fec14SDave Airlie jreg |= 1; 1068312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 1069312fec14SDave Airlie } 1070312fec14SDave Airlie 10717f5ccd44SRashika static void ast_hide_cursor(struct drm_crtc *crtc) 1072312fec14SDave Airlie { 1073312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 1074312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); 1075312fec14SDave Airlie } 1076312fec14SDave Airlie 1077312fec14SDave Airlie static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) 1078312fec14SDave Airlie { 1079312fec14SDave Airlie union { 1080312fec14SDave Airlie u32 ul; 1081312fec14SDave Airlie u8 b[4]; 1082312fec14SDave Airlie } srcdata32[2], data32; 1083312fec14SDave Airlie union { 1084312fec14SDave Airlie u16 us; 1085312fec14SDave Airlie u8 b[2]; 1086312fec14SDave Airlie } data16; 1087312fec14SDave Airlie u32 csum = 0; 1088312fec14SDave Airlie s32 alpha_dst_delta, last_alpha_dst_delta; 1089312fec14SDave Airlie u8 *srcxor, *dstxor; 1090312fec14SDave Airlie int i, j; 1091312fec14SDave Airlie u32 per_pixel_copy, two_pixel_copy; 1092312fec14SDave Airlie 1093312fec14SDave Airlie alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 1094312fec14SDave Airlie last_alpha_dst_delta = alpha_dst_delta - (width << 1); 1095312fec14SDave Airlie 1096312fec14SDave Airlie srcxor = src; 1097312fec14SDave Airlie dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 1098312fec14SDave Airlie per_pixel_copy = width & 1; 1099312fec14SDave Airlie two_pixel_copy = width >> 1; 1100312fec14SDave Airlie 1101312fec14SDave Airlie for (j = 0; j < height; j++) { 1102312fec14SDave Airlie for (i = 0; i < two_pixel_copy; i++) { 1103312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1104312fec14SDave Airlie srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 1105312fec14SDave Airlie data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1106312fec14SDave Airlie data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 11071e99cfa8SBenjamin Herrenschmidt data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 11081e99cfa8SBenjamin Herrenschmidt data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 1109312fec14SDave Airlie 1110312fec14SDave Airlie writel(data32.ul, dstxor); 1111312fec14SDave Airlie csum += data32.ul; 1112312fec14SDave Airlie 1113312fec14SDave Airlie dstxor += 4; 1114312fec14SDave Airlie srcxor += 8; 1115312fec14SDave Airlie 1116312fec14SDave Airlie } 1117312fec14SDave Airlie 1118312fec14SDave Airlie for (i = 0; i < per_pixel_copy; i++) { 1119312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1120312fec14SDave Airlie data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1121312fec14SDave Airlie data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 1122312fec14SDave Airlie writew(data16.us, dstxor); 1123312fec14SDave Airlie csum += (u32)data16.us; 1124312fec14SDave Airlie 1125312fec14SDave Airlie dstxor += 2; 1126312fec14SDave Airlie srcxor += 4; 1127312fec14SDave Airlie } 1128312fec14SDave Airlie dstxor += last_alpha_dst_delta; 1129312fec14SDave Airlie } 1130312fec14SDave Airlie return csum; 1131312fec14SDave Airlie } 1132312fec14SDave Airlie 1133312fec14SDave Airlie static int ast_cursor_set(struct drm_crtc *crtc, 1134312fec14SDave Airlie struct drm_file *file_priv, 1135312fec14SDave Airlie uint32_t handle, 1136312fec14SDave Airlie uint32_t width, 1137312fec14SDave Airlie uint32_t height) 1138312fec14SDave Airlie { 1139312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 1140312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1141312fec14SDave Airlie struct drm_gem_object *obj; 1142312fec14SDave Airlie struct ast_bo *bo; 1143312fec14SDave Airlie uint64_t gpu_addr; 1144312fec14SDave Airlie u32 csum; 1145312fec14SDave Airlie int ret; 1146312fec14SDave Airlie struct ttm_bo_kmap_obj uobj_map; 1147312fec14SDave Airlie u8 *src, *dst; 1148312fec14SDave Airlie bool src_isiomem, dst_isiomem; 1149312fec14SDave Airlie if (!handle) { 1150312fec14SDave Airlie ast_hide_cursor(crtc); 1151312fec14SDave Airlie return 0; 1152312fec14SDave Airlie } 1153312fec14SDave Airlie 1154312fec14SDave Airlie if (width > AST_MAX_HWC_WIDTH || height > AST_MAX_HWC_HEIGHT) 1155312fec14SDave Airlie return -EINVAL; 1156312fec14SDave Airlie 1157312fec14SDave Airlie obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); 1158312fec14SDave Airlie if (!obj) { 1159312fec14SDave Airlie DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); 1160312fec14SDave Airlie return -ENOENT; 1161312fec14SDave Airlie } 1162312fec14SDave Airlie bo = gem_to_ast_bo(obj); 1163312fec14SDave Airlie 1164312fec14SDave Airlie ret = ast_bo_reserve(bo, false); 1165312fec14SDave Airlie if (ret) 1166312fec14SDave Airlie goto fail; 1167312fec14SDave Airlie 1168312fec14SDave Airlie ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &uobj_map); 1169312fec14SDave Airlie 1170312fec14SDave Airlie src = ttm_kmap_obj_virtual(&uobj_map, &src_isiomem); 1171312fec14SDave Airlie dst = ttm_kmap_obj_virtual(&ast->cache_kmap, &dst_isiomem); 1172312fec14SDave Airlie 1173312fec14SDave Airlie if (src_isiomem == true) 1174312fec14SDave Airlie DRM_ERROR("src cursor bo should be in main memory\n"); 1175312fec14SDave Airlie if (dst_isiomem == false) 1176312fec14SDave Airlie DRM_ERROR("dst bo should be in VRAM\n"); 1177312fec14SDave Airlie 1178312fec14SDave Airlie dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; 1179312fec14SDave Airlie 1180312fec14SDave Airlie /* do data transfer to cursor cache */ 1181312fec14SDave Airlie csum = copy_cursor_image(src, dst, width, height); 1182312fec14SDave Airlie 1183312fec14SDave Airlie /* write checksum + signature */ 1184312fec14SDave Airlie ttm_bo_kunmap(&uobj_map); 1185312fec14SDave Airlie ast_bo_unreserve(bo); 1186312fec14SDave Airlie { 1187312fec14SDave Airlie u8 *dst = (u8 *)ast->cache_kmap.virtual + (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; 1188312fec14SDave Airlie writel(csum, dst); 1189312fec14SDave Airlie writel(width, dst + AST_HWC_SIGNATURE_SizeX); 1190312fec14SDave Airlie writel(height, dst + AST_HWC_SIGNATURE_SizeY); 1191312fec14SDave Airlie writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 1192312fec14SDave Airlie writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 1193312fec14SDave Airlie 1194312fec14SDave Airlie /* set pattern offset */ 1195312fec14SDave Airlie gpu_addr = ast->cursor_cache_gpu_addr; 1196312fec14SDave Airlie gpu_addr += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; 1197312fec14SDave Airlie gpu_addr >>= 3; 1198312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, gpu_addr & 0xff); 1199312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, (gpu_addr >> 8) & 0xff); 1200312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, (gpu_addr >> 16) & 0xff); 1201312fec14SDave Airlie } 1202312fec14SDave Airlie ast_crtc->cursor_width = width; 1203312fec14SDave Airlie ast_crtc->cursor_height = height; 1204312fec14SDave Airlie ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width; 1205312fec14SDave Airlie ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height; 1206312fec14SDave Airlie 1207312fec14SDave Airlie ast->next_cursor = (ast->next_cursor + 1) % AST_DEFAULT_HWC_NUM; 1208312fec14SDave Airlie 1209312fec14SDave Airlie ast_show_cursor(crtc); 1210312fec14SDave Airlie 1211312fec14SDave Airlie drm_gem_object_unreference_unlocked(obj); 1212312fec14SDave Airlie return 0; 1213312fec14SDave Airlie fail: 1214312fec14SDave Airlie drm_gem_object_unreference_unlocked(obj); 1215312fec14SDave Airlie return ret; 1216312fec14SDave Airlie } 1217312fec14SDave Airlie 1218312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 1219312fec14SDave Airlie int x, int y) 1220312fec14SDave Airlie { 1221312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1222312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 1223312fec14SDave Airlie int x_offset, y_offset; 1224312fec14SDave Airlie u8 *sig; 1225312fec14SDave Airlie 1226312fec14SDave Airlie sig = (u8 *)ast->cache_kmap.virtual + (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; 1227312fec14SDave Airlie writel(x, sig + AST_HWC_SIGNATURE_X); 1228312fec14SDave Airlie writel(y, sig + AST_HWC_SIGNATURE_Y); 1229312fec14SDave Airlie 1230312fec14SDave Airlie x_offset = ast_crtc->offset_x; 1231312fec14SDave Airlie y_offset = ast_crtc->offset_y; 1232312fec14SDave Airlie if (x < 0) { 1233312fec14SDave Airlie x_offset = (-x) + ast_crtc->offset_x; 1234312fec14SDave Airlie x = 0; 1235312fec14SDave Airlie } 1236312fec14SDave Airlie 1237312fec14SDave Airlie if (y < 0) { 1238312fec14SDave Airlie y_offset = (-y) + ast_crtc->offset_y; 1239312fec14SDave Airlie y = 0; 1240312fec14SDave Airlie } 1241312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 1242312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 1243312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); 1244312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); 1245312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); 1246312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); 1247312fec14SDave Airlie 1248312fec14SDave Airlie /* dummy write to fire HWC */ 1249312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xCB, 0xFF, 0x00); 1250312fec14SDave Airlie 1251312fec14SDave Airlie return 0; 1252312fec14SDave Airlie } 1253