1312fec14SDave Airlie /* 2312fec14SDave Airlie * Copyright 2012 Red Hat Inc. 3312fec14SDave Airlie * Parts based on xf86-video-ast 4312fec14SDave Airlie * Copyright (c) 2005 ASPEED Technology Inc. 5312fec14SDave Airlie * 6312fec14SDave Airlie * Permission is hereby granted, free of charge, to any person obtaining a 7312fec14SDave Airlie * copy of this software and associated documentation files (the 8312fec14SDave Airlie * "Software"), to deal in the Software without restriction, including 9312fec14SDave Airlie * without limitation the rights to use, copy, modify, merge, publish, 10312fec14SDave Airlie * distribute, sub license, and/or sell copies of the Software, and to 11312fec14SDave Airlie * permit persons to whom the Software is furnished to do so, subject to 12312fec14SDave Airlie * the following conditions: 13312fec14SDave Airlie * 14312fec14SDave Airlie * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15312fec14SDave Airlie * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16312fec14SDave Airlie * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 17312fec14SDave Airlie * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 18312fec14SDave Airlie * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19312fec14SDave Airlie * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20312fec14SDave Airlie * USE OR OTHER DEALINGS IN THE SOFTWARE. 21312fec14SDave Airlie * 22312fec14SDave Airlie * The above copyright notice and this permission notice (including the 23312fec14SDave Airlie * next paragraph) shall be included in all copies or substantial portions 24312fec14SDave Airlie * of the Software. 25312fec14SDave Airlie * 26312fec14SDave Airlie */ 27312fec14SDave Airlie /* 28312fec14SDave Airlie * Authors: Dave Airlie <airlied@redhat.com> 29312fec14SDave Airlie */ 30fbbbd160SSam Ravnborg 31312fec14SDave Airlie #include <linux/export.h> 32fbbbd160SSam Ravnborg #include <linux/pci.h> 33fbbbd160SSam Ravnborg 34760285e7SDavid Howells #include <drm/drm_crtc.h> 35760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 36fbbbd160SSam Ravnborg #include <drm/drm_fourcc.h> 37fbbbd160SSam Ravnborg #include <drm/drm_gem_vram_helper.h> 383cb9ae4fSDaniel Vetter #include <drm/drm_plane_helper.h> 39fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 40312fec14SDave Airlie 41fbbbd160SSam Ravnborg #include "ast_drv.h" 42312fec14SDave Airlie #include "ast_tables.h" 43312fec14SDave Airlie 44312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 45312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c); 46312fec14SDave Airlie static int ast_cursor_set(struct drm_crtc *crtc, 47312fec14SDave Airlie struct drm_file *file_priv, 48312fec14SDave Airlie uint32_t handle, 49312fec14SDave Airlie uint32_t width, 50312fec14SDave Airlie uint32_t height); 51312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 52312fec14SDave Airlie int x, int y); 53312fec14SDave Airlie 54312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 55312fec14SDave Airlie u8 index, u8 red, u8 green, 56312fec14SDave Airlie u8 blue) 57312fec14SDave Airlie { 58312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 59312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 60312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 61312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 62312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 63312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 64312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 65312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 66312fec14SDave Airlie } 67312fec14SDave Airlie 68312fec14SDave Airlie static void ast_crtc_load_lut(struct drm_crtc *crtc) 69312fec14SDave Airlie { 70312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 713bffd962SPeter Rosin u16 *r, *g, *b; 72312fec14SDave Airlie int i; 73312fec14SDave Airlie 74312fec14SDave Airlie if (!crtc->enabled) 75312fec14SDave Airlie return; 76312fec14SDave Airlie 773bffd962SPeter Rosin r = crtc->gamma_store; 783bffd962SPeter Rosin g = r + crtc->gamma_size; 793bffd962SPeter Rosin b = g + crtc->gamma_size; 803bffd962SPeter Rosin 81312fec14SDave Airlie for (i = 0; i < 256; i++) 823bffd962SPeter Rosin ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); 83312fec14SDave Airlie } 84312fec14SDave Airlie 85259d14a7SThomas Zimmermann static bool ast_get_vbios_mode_info(const struct drm_framebuffer *fb, 86259d14a7SThomas Zimmermann const struct drm_display_mode *mode, 87312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 88312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 89312fec14SDave Airlie { 90259d14a7SThomas Zimmermann u32 refresh_rate_index = 0, refresh_rate; 9122acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 92312fec14SDave Airlie u32 hborder, vborder; 9394d12b13SY.C. Chen bool check_sync; 94312fec14SDave Airlie 95272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 96312fec14SDave Airlie case 8: 97312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 98312fec14SDave Airlie break; 99312fec14SDave Airlie case 16: 100312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 101312fec14SDave Airlie break; 102312fec14SDave Airlie case 24: 103312fec14SDave Airlie case 32: 104312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 105312fec14SDave Airlie break; 106312fec14SDave Airlie default: 107312fec14SDave Airlie return false; 108312fec14SDave Airlie } 109312fec14SDave Airlie 110259d14a7SThomas Zimmermann switch (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: 121259d14a7SThomas Zimmermann if (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: 133259d14a7SThomas Zimmermann if (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: 142259d14a7SThomas Zimmermann if (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; 153259d14a7SThomas Zimmermann 154259d14a7SThomas Zimmermann while (1) { 15522acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 15694d12b13SY.C. Chen 15794d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 15894d12b13SY.C. Chen if ((check_sync) && 15994d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 16094d12b13SY.C. Chen (loop->flags & PVSync)) || 16194d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 16294d12b13SY.C. Chen (loop->flags & NVSync)) || 16394d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 16494d12b13SY.C. Chen (loop->flags & PHSync)) || 16594d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 16694d12b13SY.C. Chen (loop->flags & NHSync)))) { 16794d12b13SY.C. Chen loop++; 16894d12b13SY.C. Chen continue; 16994d12b13SY.C. Chen } 17094d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 17194d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 17294d12b13SY.C. Chen best = loop; 17394d12b13SY.C. Chen loop++; 17494d12b13SY.C. Chen } 17594d12b13SY.C. Chen if (best || !check_sync) 176312fec14SDave Airlie break; 17794d12b13SY.C. Chen check_sync = 0; 178259d14a7SThomas Zimmermann } 179259d14a7SThomas Zimmermann 18094d12b13SY.C. Chen if (best) 18194d12b13SY.C. Chen vbios_mode->enh_table = best; 182312fec14SDave Airlie 183312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 184312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 185312fec14SDave Airlie 186312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 187312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 188312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 189312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 190312fec14SDave Airlie vbios_mode->enh_table->hfp; 191312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 192312fec14SDave Airlie vbios_mode->enh_table->hfp + 193312fec14SDave Airlie vbios_mode->enh_table->hsync); 194312fec14SDave Airlie 195312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 196312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 197312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 198312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 199312fec14SDave Airlie vbios_mode->enh_table->vfp; 200312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 201312fec14SDave Airlie vbios_mode->enh_table->vfp + 202312fec14SDave Airlie vbios_mode->enh_table->vsync); 203312fec14SDave Airlie 204259d14a7SThomas Zimmermann return true; 205259d14a7SThomas Zimmermann } 206259d14a7SThomas Zimmermann 207259d14a7SThomas Zimmermann static void ast_set_vbios_color_reg(struct drm_crtc *crtc, 208259d14a7SThomas Zimmermann const struct drm_framebuffer *fb, 209259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 210259d14a7SThomas Zimmermann { 211259d14a7SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 212259d14a7SThomas Zimmermann u32 color_index; 213259d14a7SThomas Zimmermann 214259d14a7SThomas Zimmermann switch (fb->format->cpp[0]) { 215259d14a7SThomas Zimmermann case 1: 216259d14a7SThomas Zimmermann color_index = VGAModeIndex - 1; 217259d14a7SThomas Zimmermann break; 218259d14a7SThomas Zimmermann case 2: 219259d14a7SThomas Zimmermann color_index = HiCModeIndex; 220259d14a7SThomas Zimmermann break; 221259d14a7SThomas Zimmermann case 3: 222259d14a7SThomas Zimmermann case 4: 223259d14a7SThomas Zimmermann color_index = TrueCModeIndex; 224259d14a7SThomas Zimmermann default: 225259d14a7SThomas Zimmermann return; 226259d14a7SThomas Zimmermann } 227259d14a7SThomas Zimmermann 228259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); 229259d14a7SThomas Zimmermann 230259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 231259d14a7SThomas Zimmermann 232259d14a7SThomas Zimmermann if (vbios_mode->enh_table->flags & NewModeInfo) { 233259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 234259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, fb->format->cpp[0] * 8); 235259d14a7SThomas Zimmermann } 236259d14a7SThomas Zimmermann } 237259d14a7SThomas Zimmermann 238259d14a7SThomas Zimmermann static void ast_set_vbios_mode_reg(struct drm_crtc *crtc, 239259d14a7SThomas Zimmermann const struct drm_display_mode *adjusted_mode, 240259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 241259d14a7SThomas Zimmermann { 242259d14a7SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 243259d14a7SThomas Zimmermann u32 refresh_rate_index, mode_id; 244259d14a7SThomas Zimmermann 245312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 246312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 247312fec14SDave Airlie 248312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 249312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 250312fec14SDave Airlie 251f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 252259d14a7SThomas Zimmermann 253f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 254312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 255312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 256312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 257312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 258312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 259312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 260312fec14SDave Airlie } 261f1f62f2cSDave Airlie } 262312fec14SDave Airlie 263312fec14SDave Airlie static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 264312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 265312fec14SDave Airlie { 266312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 26722acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 268312fec14SDave Airlie u32 i; 269312fec14SDave Airlie u8 jreg; 270312fec14SDave Airlie 271312fec14SDave Airlie stdtable = vbios_mode->std_table; 272312fec14SDave Airlie 273312fec14SDave Airlie jreg = stdtable->misc; 274312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 275312fec14SDave Airlie 276312fec14SDave Airlie /* Set SEQ */ 277312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 278312fec14SDave Airlie for (i = 0; i < 4; i++) { 279312fec14SDave Airlie jreg = stdtable->seq[i]; 280312fec14SDave Airlie if (!i) 281312fec14SDave Airlie jreg |= 0x20; 282312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 283312fec14SDave Airlie } 284312fec14SDave Airlie 285a21fdd7aSThomas Zimmermann /* Set CRTC; except base address and offset */ 286312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 287a21fdd7aSThomas Zimmermann for (i = 0; i < 12; i++) 288a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 289a21fdd7aSThomas Zimmermann for (i = 14; i < 19; i++) 290a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 291a21fdd7aSThomas Zimmermann for (i = 20; i < 25; i++) 292312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 293312fec14SDave Airlie 294312fec14SDave Airlie /* set AR */ 295312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 296312fec14SDave Airlie for (i = 0; i < 20; i++) { 297312fec14SDave Airlie jreg = stdtable->ar[i]; 298312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 299312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 300312fec14SDave Airlie } 301312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 302312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 303312fec14SDave Airlie 304312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 305312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 306312fec14SDave Airlie 307312fec14SDave Airlie /* Set GR */ 308312fec14SDave Airlie for (i = 0; i < 9; i++) 309312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 310312fec14SDave Airlie } 311312fec14SDave Airlie 312312fec14SDave Airlie static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 313312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 314312fec14SDave Airlie { 315312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 316312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 3179f93c8b3SY.C. Chen u16 temp, precache = 0; 3189f93c8b3SY.C. Chen 3199f93c8b3SY.C. Chen if ((ast->chip == AST2500) && 3209f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 3219f93c8b3SY.C. Chen precache = 40; 322312fec14SDave Airlie 323312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 324312fec14SDave Airlie 325312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 326312fec14SDave Airlie if (temp & 0x100) 327312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 328312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 329312fec14SDave Airlie 330312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 331312fec14SDave Airlie if (temp & 0x100) 332312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 333312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 334312fec14SDave Airlie 335312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 336312fec14SDave Airlie if (temp & 0x100) 337312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 338312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 339312fec14SDave Airlie 340312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 341312fec14SDave Airlie if (temp & 0x20) 342312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 343312fec14SDave Airlie if (temp & 0x40) 344312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 345312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 346312fec14SDave Airlie 3479f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 348312fec14SDave Airlie if (temp & 0x100) 349312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 350312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 351312fec14SDave Airlie 3529f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 353312fec14SDave Airlie if (temp & 0x20) 354312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 355312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 356312fec14SDave Airlie 357312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 358312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 359312fec14SDave Airlie 360312fec14SDave Airlie /* vert timings */ 361312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 362312fec14SDave Airlie if (temp & 0x100) 363312fec14SDave Airlie jreg07 |= 0x01; 364312fec14SDave Airlie if (temp & 0x200) 365312fec14SDave Airlie jreg07 |= 0x20; 366312fec14SDave Airlie if (temp & 0x400) 367312fec14SDave Airlie jregAE |= 0x01; 368312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 369312fec14SDave Airlie 370312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 371312fec14SDave Airlie if (temp & 0x100) 372312fec14SDave Airlie jreg07 |= 0x04; 373312fec14SDave Airlie if (temp & 0x200) 374312fec14SDave Airlie jreg07 |= 0x80; 375312fec14SDave Airlie if (temp & 0x400) 376312fec14SDave Airlie jregAE |= 0x08; 377312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 378312fec14SDave Airlie 379312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 380312fec14SDave Airlie if (temp & 0x10) 381312fec14SDave Airlie jregAE |= 0x20; 382312fec14SDave Airlie if (temp & 0x20) 383312fec14SDave Airlie jregAE |= 0x40; 384312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 385312fec14SDave Airlie 386312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 387312fec14SDave Airlie if (temp & 0x100) 388312fec14SDave Airlie jreg07 |= 0x02; 389312fec14SDave Airlie if (temp & 0x200) 390312fec14SDave Airlie jreg07 |= 0x40; 391312fec14SDave Airlie if (temp & 0x400) 392312fec14SDave Airlie jregAE |= 0x02; 393312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 394312fec14SDave Airlie 395312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 396312fec14SDave Airlie if (temp & 0x100) 397312fec14SDave Airlie jreg07 |= 0x08; 398312fec14SDave Airlie if (temp & 0x200) 399312fec14SDave Airlie jreg09 |= 0x20; 400312fec14SDave Airlie if (temp & 0x400) 401312fec14SDave Airlie jregAE |= 0x04; 402312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 403312fec14SDave Airlie 404312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 405312fec14SDave Airlie if (temp & 0x100) 406312fec14SDave Airlie jregAE |= 0x10; 407312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 408312fec14SDave Airlie 409312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 410312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 411312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 412312fec14SDave Airlie 4139f93c8b3SY.C. Chen if (precache) 4149f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 4159f93c8b3SY.C. Chen else 4169f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 4179f93c8b3SY.C. Chen 418312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 419312fec14SDave Airlie } 420312fec14SDave Airlie 421312fec14SDave Airlie static void ast_set_offset_reg(struct drm_crtc *crtc) 422312fec14SDave Airlie { 423312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 4247445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 425312fec14SDave Airlie 426312fec14SDave Airlie u16 offset; 427312fec14SDave Airlie 4287445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 429312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 430312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 431312fec14SDave Airlie } 432312fec14SDave Airlie 433312fec14SDave Airlie static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mode, 434312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 435312fec14SDave Airlie { 436312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 43722acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 438312fec14SDave Airlie 4399f93c8b3SY.C. Chen if (ast->chip == AST2500) 4409f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4419f93c8b3SY.C. Chen else 442312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 443312fec14SDave Airlie 444312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 445312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 446312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4479f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4489f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 449312fec14SDave Airlie } 450312fec14SDave Airlie 4510d45ad98SThomas Zimmermann static void ast_set_color_reg(struct drm_crtc *crtc, 4520d45ad98SThomas Zimmermann const struct drm_framebuffer *fb) 453312fec14SDave Airlie { 454312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 455312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 456312fec14SDave Airlie 457272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 458312fec14SDave Airlie case 8: 459312fec14SDave Airlie jregA0 = 0x70; 460312fec14SDave Airlie jregA3 = 0x01; 461312fec14SDave Airlie jregA8 = 0x00; 462312fec14SDave Airlie break; 463312fec14SDave Airlie case 15: 464312fec14SDave Airlie case 16: 465312fec14SDave Airlie jregA0 = 0x70; 466312fec14SDave Airlie jregA3 = 0x04; 467312fec14SDave Airlie jregA8 = 0x02; 468312fec14SDave Airlie break; 469312fec14SDave Airlie case 32: 470312fec14SDave Airlie jregA0 = 0x70; 471312fec14SDave Airlie jregA3 = 0x08; 472312fec14SDave Airlie jregA8 = 0x02; 473312fec14SDave Airlie break; 474312fec14SDave Airlie } 475312fec14SDave Airlie 476312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 477312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 478312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 4790d45ad98SThomas Zimmermann } 4800d45ad98SThomas Zimmermann 4810d45ad98SThomas Zimmermann static void ast_set_crtthd_reg(struct drm_crtc *crtc) 4820d45ad98SThomas Zimmermann { 4830d45ad98SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 484312fec14SDave Airlie 485312fec14SDave Airlie /* Set Threshold */ 4869f93c8b3SY.C. Chen if (ast->chip == AST2300 || ast->chip == AST2400 || 4879f93c8b3SY.C. Chen ast->chip == AST2500) { 488312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 489312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 490312fec14SDave Airlie } else if (ast->chip == AST2100 || 491312fec14SDave Airlie ast->chip == AST1100 || 492312fec14SDave Airlie ast->chip == AST2200 || 493312fec14SDave Airlie ast->chip == AST2150) { 494312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 495312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 496312fec14SDave Airlie } else { 497312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 498312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 499312fec14SDave Airlie } 500312fec14SDave Airlie } 501312fec14SDave Airlie 5027f5ccd44SRashika static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mode, 503312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 504312fec14SDave Airlie { 505312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 506312fec14SDave Airlie u8 jreg; 507312fec14SDave Airlie 508312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 50994d12b13SY.C. Chen jreg &= ~0xC0; 51094d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 51194d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 512312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 513312fec14SDave Airlie } 514312fec14SDave Airlie 5157f5ccd44SRashika static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 516312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 517312fec14SDave Airlie { 5187445283aSVille Syrjälä const struct drm_framebuffer *fb = crtc->primary->fb; 5197445283aSVille Syrjälä 520272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 521312fec14SDave Airlie case 8: 522312fec14SDave Airlie break; 523312fec14SDave Airlie default: 524312fec14SDave Airlie return false; 525312fec14SDave Airlie } 526312fec14SDave Airlie return true; 527312fec14SDave Airlie } 528312fec14SDave Airlie 5297f5ccd44SRashika static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset) 530312fec14SDave Airlie { 531312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 532312fec14SDave Airlie u32 addr; 533312fec14SDave Airlie 534312fec14SDave Airlie addr = offset >> 2; 535312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 536312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 537312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 538312fec14SDave Airlie 539312fec14SDave Airlie } 540312fec14SDave Airlie 541312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 542312fec14SDave Airlie { 543312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 544312fec14SDave Airlie 545312fec14SDave Airlie if (ast->chip == AST1180) 546312fec14SDave Airlie return; 547312fec14SDave Airlie 548312fec14SDave Airlie switch (mode) { 549312fec14SDave Airlie case DRM_MODE_DPMS_ON: 550312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 551312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 552312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 55383c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 55483c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 555312fec14SDave Airlie ast_crtc_load_lut(crtc); 556312fec14SDave Airlie break; 557312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 55883c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 55983c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 560312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 561312fec14SDave Airlie break; 562312fec14SDave Airlie } 563312fec14SDave Airlie } 564312fec14SDave Airlie 565312fec14SDave Airlie static int ast_crtc_do_set_base(struct drm_crtc *crtc, 566312fec14SDave Airlie struct drm_framebuffer *fb, 567312fec14SDave Airlie int x, int y, int atomic) 568312fec14SDave Airlie { 5695b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 570312fec14SDave Airlie int ret; 5715b370979SThomas Zimmermann s64 gpu_addr; 572312fec14SDave Airlie 573312fec14SDave Airlie if (!atomic && fb) { 5745ed7191dSThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 57581da87f6SThomas Zimmermann drm_gem_vram_unpin(gbo); 576312fec14SDave Airlie } 577312fec14SDave Airlie 5785ed7191dSThomas Zimmermann gbo = drm_gem_vram_of_gem(crtc->primary->fb->obj[0]); 579312fec14SDave Airlie 5805b370979SThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); 5815b370979SThomas Zimmermann if (ret) 5825b24f715SThomas Zimmermann return ret; 5835b370979SThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 5845b370979SThomas Zimmermann if (gpu_addr < 0) { 5855b370979SThomas Zimmermann ret = (int)gpu_addr; 5865b370979SThomas Zimmermann goto err_drm_gem_vram_unpin; 587312fec14SDave Airlie } 588312fec14SDave Airlie 5891a37bd82SY.C. Chen ast_set_offset_reg(crtc); 590312fec14SDave Airlie ast_set_start_address_crt1(crtc, (u32)gpu_addr); 591312fec14SDave Airlie 592312fec14SDave Airlie return 0; 5935b370979SThomas Zimmermann 5945b370979SThomas Zimmermann err_drm_gem_vram_unpin: 5955b370979SThomas Zimmermann drm_gem_vram_unpin(gbo); 5965b370979SThomas Zimmermann return ret; 597312fec14SDave Airlie } 598312fec14SDave Airlie 599312fec14SDave Airlie static int ast_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 600312fec14SDave Airlie struct drm_framebuffer *old_fb) 601312fec14SDave Airlie { 602312fec14SDave Airlie return ast_crtc_do_set_base(crtc, old_fb, x, y, 0); 603312fec14SDave Airlie } 604312fec14SDave Airlie 605312fec14SDave Airlie static int ast_crtc_mode_set(struct drm_crtc *crtc, 606312fec14SDave Airlie struct drm_display_mode *mode, 607312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 608312fec14SDave Airlie int x, int y, 609312fec14SDave Airlie struct drm_framebuffer *old_fb) 610312fec14SDave Airlie { 611312fec14SDave Airlie struct drm_device *dev = crtc->dev; 612312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 613259d14a7SThomas Zimmermann const struct drm_framebuffer *fb = crtc->primary->fb; 614312fec14SDave Airlie struct ast_vbios_mode_info vbios_mode; 615259d14a7SThomas Zimmermann bool succ; 616259d14a7SThomas Zimmermann 617312fec14SDave Airlie if (ast->chip == AST1180) { 618312fec14SDave Airlie DRM_ERROR("AST 1180 modesetting not supported\n"); 619312fec14SDave Airlie return -EINVAL; 620312fec14SDave Airlie } 621312fec14SDave Airlie 622259d14a7SThomas Zimmermann succ = ast_get_vbios_mode_info(fb, mode, adjusted_mode, &vbios_mode); 623259d14a7SThomas Zimmermann if (!succ) 624312fec14SDave Airlie return -EINVAL; 625259d14a7SThomas Zimmermann 626312fec14SDave Airlie ast_open_key(ast); 627312fec14SDave Airlie 628259d14a7SThomas Zimmermann ast_set_vbios_color_reg(crtc, fb, &vbios_mode); 629259d14a7SThomas Zimmermann ast_set_vbios_mode_reg(crtc, adjusted_mode, &vbios_mode); 63005b43971SY.C. Chen ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 631312fec14SDave Airlie ast_set_std_reg(crtc, adjusted_mode, &vbios_mode); 632312fec14SDave Airlie ast_set_crtc_reg(crtc, adjusted_mode, &vbios_mode); 633312fec14SDave Airlie ast_set_offset_reg(crtc); 634312fec14SDave Airlie ast_set_dclk_reg(dev, adjusted_mode, &vbios_mode); 6350d45ad98SThomas Zimmermann ast_set_color_reg(crtc, fb); 6360d45ad98SThomas Zimmermann ast_set_crtthd_reg(crtc); 637312fec14SDave Airlie ast_set_sync_reg(dev, adjusted_mode, &vbios_mode); 638312fec14SDave Airlie ast_set_dac_reg(crtc, adjusted_mode, &vbios_mode); 639312fec14SDave Airlie 640312fec14SDave Airlie ast_crtc_mode_set_base(crtc, x, y, old_fb); 641312fec14SDave Airlie 642312fec14SDave Airlie return 0; 643312fec14SDave Airlie } 644312fec14SDave Airlie 645312fec14SDave Airlie static void ast_crtc_disable(struct drm_crtc *crtc) 646312fec14SDave Airlie { 647ab209c32SEgbert Eich DRM_DEBUG_KMS("\n"); 648ab209c32SEgbert Eich ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 649ab209c32SEgbert Eich if (crtc->primary->fb) { 6505ed7191dSThomas Zimmermann struct drm_framebuffer *fb = crtc->primary->fb; 6515ed7191dSThomas Zimmermann struct drm_gem_vram_object *gbo = 6525ed7191dSThomas Zimmermann drm_gem_vram_of_gem(fb->obj[0]); 653ab209c32SEgbert Eich 65481da87f6SThomas Zimmermann drm_gem_vram_unpin(gbo); 655ab209c32SEgbert Eich } 656ab209c32SEgbert Eich crtc->primary->fb = NULL; 657312fec14SDave Airlie } 658312fec14SDave Airlie 659312fec14SDave Airlie static void ast_crtc_prepare(struct drm_crtc *crtc) 660312fec14SDave Airlie { 661312fec14SDave Airlie 662312fec14SDave Airlie } 663312fec14SDave Airlie 664312fec14SDave Airlie static void ast_crtc_commit(struct drm_crtc *crtc) 665312fec14SDave Airlie { 666312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 667312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 66824b8ef69SDaniel Vetter ast_crtc_load_lut(crtc); 669312fec14SDave Airlie } 670312fec14SDave Airlie 671312fec14SDave Airlie 672312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 673312fec14SDave Airlie .dpms = ast_crtc_dpms, 674312fec14SDave Airlie .mode_set = ast_crtc_mode_set, 675312fec14SDave Airlie .mode_set_base = ast_crtc_mode_set_base, 676312fec14SDave Airlie .disable = ast_crtc_disable, 677312fec14SDave Airlie .prepare = ast_crtc_prepare, 678312fec14SDave Airlie .commit = ast_crtc_commit, 679312fec14SDave Airlie 680312fec14SDave Airlie }; 681312fec14SDave Airlie 682312fec14SDave Airlie static void ast_crtc_reset(struct drm_crtc *crtc) 683312fec14SDave Airlie { 684312fec14SDave Airlie 685312fec14SDave Airlie } 686312fec14SDave Airlie 6877ea77283SMaarten Lankhorst static int ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, 6886d124ff8SDaniel Vetter u16 *blue, uint32_t size, 6896d124ff8SDaniel Vetter struct drm_modeset_acquire_ctx *ctx) 690312fec14SDave Airlie { 691312fec14SDave Airlie ast_crtc_load_lut(crtc); 6927ea77283SMaarten Lankhorst 6937ea77283SMaarten Lankhorst return 0; 694312fec14SDave Airlie } 695312fec14SDave Airlie 696312fec14SDave Airlie 697312fec14SDave Airlie static void ast_crtc_destroy(struct drm_crtc *crtc) 698312fec14SDave Airlie { 699312fec14SDave Airlie drm_crtc_cleanup(crtc); 700312fec14SDave Airlie kfree(crtc); 701312fec14SDave Airlie } 702312fec14SDave Airlie 703312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 704312fec14SDave Airlie .cursor_set = ast_cursor_set, 705312fec14SDave Airlie .cursor_move = ast_cursor_move, 706312fec14SDave Airlie .reset = ast_crtc_reset, 707312fec14SDave Airlie .set_config = drm_crtc_helper_set_config, 708312fec14SDave Airlie .gamma_set = ast_crtc_gamma_set, 709312fec14SDave Airlie .destroy = ast_crtc_destroy, 710312fec14SDave Airlie }; 711312fec14SDave Airlie 7127f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 713312fec14SDave Airlie { 714312fec14SDave Airlie struct ast_crtc *crtc; 715312fec14SDave Airlie 716312fec14SDave Airlie crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); 717312fec14SDave Airlie if (!crtc) 718312fec14SDave Airlie return -ENOMEM; 719312fec14SDave Airlie 720312fec14SDave Airlie drm_crtc_init(dev, &crtc->base, &ast_crtc_funcs); 721312fec14SDave Airlie drm_mode_crtc_set_gamma_size(&crtc->base, 256); 722312fec14SDave Airlie drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); 723312fec14SDave Airlie return 0; 724312fec14SDave Airlie } 725312fec14SDave Airlie 726312fec14SDave Airlie static void ast_encoder_destroy(struct drm_encoder *encoder) 727312fec14SDave Airlie { 728312fec14SDave Airlie drm_encoder_cleanup(encoder); 729312fec14SDave Airlie kfree(encoder); 730312fec14SDave Airlie } 731312fec14SDave Airlie 732312fec14SDave Airlie static const struct drm_encoder_funcs ast_enc_funcs = { 733312fec14SDave Airlie .destroy = ast_encoder_destroy, 734312fec14SDave Airlie }; 735312fec14SDave Airlie 736312fec14SDave Airlie static void ast_encoder_dpms(struct drm_encoder *encoder, int mode) 737312fec14SDave Airlie { 738312fec14SDave Airlie 739312fec14SDave Airlie } 740312fec14SDave Airlie 741312fec14SDave Airlie static void ast_encoder_mode_set(struct drm_encoder *encoder, 742312fec14SDave Airlie struct drm_display_mode *mode, 743312fec14SDave Airlie struct drm_display_mode *adjusted_mode) 744312fec14SDave Airlie { 745312fec14SDave Airlie } 746312fec14SDave Airlie 747312fec14SDave Airlie static void ast_encoder_prepare(struct drm_encoder *encoder) 748312fec14SDave Airlie { 749312fec14SDave Airlie 750312fec14SDave Airlie } 751312fec14SDave Airlie 752312fec14SDave Airlie static void ast_encoder_commit(struct drm_encoder *encoder) 753312fec14SDave Airlie { 754312fec14SDave Airlie 755312fec14SDave Airlie } 756312fec14SDave Airlie 757312fec14SDave Airlie 758312fec14SDave Airlie static const struct drm_encoder_helper_funcs ast_enc_helper_funcs = { 759312fec14SDave Airlie .dpms = ast_encoder_dpms, 760312fec14SDave Airlie .prepare = ast_encoder_prepare, 761312fec14SDave Airlie .commit = ast_encoder_commit, 762312fec14SDave Airlie .mode_set = ast_encoder_mode_set, 763312fec14SDave Airlie }; 764312fec14SDave Airlie 7657f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 766312fec14SDave Airlie { 767312fec14SDave Airlie struct ast_encoder *ast_encoder; 768312fec14SDave Airlie 769312fec14SDave Airlie ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL); 770312fec14SDave Airlie if (!ast_encoder) 771312fec14SDave Airlie return -ENOMEM; 772312fec14SDave Airlie 773312fec14SDave Airlie drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, 77413a3d91fSVille Syrjälä DRM_MODE_ENCODER_DAC, NULL); 775312fec14SDave Airlie drm_encoder_helper_add(&ast_encoder->base, &ast_enc_helper_funcs); 776312fec14SDave Airlie 777312fec14SDave Airlie ast_encoder->base.possible_crtcs = 1; 778312fec14SDave Airlie return 0; 779312fec14SDave Airlie } 780312fec14SDave Airlie 781312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 782312fec14SDave Airlie { 783312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 78483c6620bSDave Airlie struct ast_private *ast = connector->dev->dev_private; 785312fec14SDave Airlie struct edid *edid; 786312fec14SDave Airlie int ret; 78783c6620bSDave Airlie bool flags = false; 78883c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 78983c6620bSDave Airlie ast->dp501_maxclk = 0xff; 79083c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 79183c6620bSDave Airlie if (!edid) 79283c6620bSDave Airlie return -ENOMEM; 793312fec14SDave Airlie 79483c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 79583c6620bSDave Airlie if (flags) 79683c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 79783c6620bSDave Airlie else 79883c6620bSDave Airlie kfree(edid); 79983c6620bSDave Airlie } 80083c6620bSDave Airlie if (!flags) 801312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 802312fec14SDave Airlie if (edid) { 803c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 804312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 805993dcb05SJani Nikula kfree(edid); 806312fec14SDave Airlie return ret; 807312fec14SDave Airlie } else 808c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 809312fec14SDave Airlie return 0; 810312fec14SDave Airlie } 811312fec14SDave Airlie 812602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 813312fec14SDave Airlie struct drm_display_mode *mode) 814312fec14SDave Airlie { 815f1f62f2cSDave Airlie struct ast_private *ast = connector->dev->dev_private; 816f1f62f2cSDave Airlie int flags = MODE_NOMODE; 817f1f62f2cSDave Airlie uint32_t jtemp; 818f1f62f2cSDave Airlie 819f1f62f2cSDave Airlie if (ast->support_wide_screen) { 820f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 821312fec14SDave Airlie return MODE_OK; 822f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 823f1f62f2cSDave Airlie return MODE_OK; 824f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 825f1f62f2cSDave Airlie return MODE_OK; 826f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 827f1f62f2cSDave Airlie return MODE_OK; 828f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 829f1f62f2cSDave Airlie return MODE_OK; 830f1f62f2cSDave Airlie 8319f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 8329f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 8339f93c8b3SY.C. Chen (ast->chip == AST2500) || (ast->chip == AST1180)) { 834f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 835f1f62f2cSDave Airlie return MODE_OK; 836f1f62f2cSDave Airlie 837f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 838f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 839f1f62f2cSDave Airlie if (jtemp & 0x01) 840f1f62f2cSDave Airlie return MODE_NOMODE; 841f1f62f2cSDave Airlie else 842f1f62f2cSDave Airlie return MODE_OK; 843f1f62f2cSDave Airlie } 844f1f62f2cSDave Airlie } 845f1f62f2cSDave Airlie } 846f1f62f2cSDave Airlie switch (mode->hdisplay) { 847f1f62f2cSDave Airlie case 640: 848f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 849f1f62f2cSDave Airlie break; 850f1f62f2cSDave Airlie case 800: 851f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 852f1f62f2cSDave Airlie break; 853f1f62f2cSDave Airlie case 1024: 854f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 855f1f62f2cSDave Airlie break; 856f1f62f2cSDave Airlie case 1280: 857f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 858f1f62f2cSDave Airlie break; 859f1f62f2cSDave Airlie case 1600: 860f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 861f1f62f2cSDave Airlie break; 862f1f62f2cSDave Airlie default: 863f1f62f2cSDave Airlie return flags; 864f1f62f2cSDave Airlie } 865f1f62f2cSDave Airlie 866f1f62f2cSDave Airlie return flags; 867312fec14SDave Airlie } 868312fec14SDave Airlie 869312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 870312fec14SDave Airlie { 871312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 872312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 87334ea3d38SThomas Wood drm_connector_unregister(connector); 874312fec14SDave Airlie drm_connector_cleanup(connector); 875312fec14SDave Airlie kfree(connector); 876312fec14SDave Airlie } 877312fec14SDave Airlie 878312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 879312fec14SDave Airlie .mode_valid = ast_mode_valid, 880312fec14SDave Airlie .get_modes = ast_get_modes, 881312fec14SDave Airlie }; 882312fec14SDave Airlie 883312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 884312fec14SDave Airlie .dpms = drm_helper_connector_dpms, 885312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 886312fec14SDave Airlie .destroy = ast_connector_destroy, 887312fec14SDave Airlie }; 888312fec14SDave Airlie 8897f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 890312fec14SDave Airlie { 891312fec14SDave Airlie struct ast_connector *ast_connector; 892312fec14SDave Airlie struct drm_connector *connector; 893312fec14SDave Airlie struct drm_encoder *encoder; 894312fec14SDave Airlie 895312fec14SDave Airlie ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); 896312fec14SDave Airlie if (!ast_connector) 897312fec14SDave Airlie return -ENOMEM; 898312fec14SDave Airlie 899312fec14SDave Airlie connector = &ast_connector->base; 900350fd554SAndrzej Pietrasiewicz ast_connector->i2c = ast_i2c_create(dev); 901350fd554SAndrzej Pietrasiewicz if (!ast_connector->i2c) 902350fd554SAndrzej Pietrasiewicz DRM_ERROR("failed to add ddc bus for connector\n"); 903350fd554SAndrzej Pietrasiewicz 904350fd554SAndrzej Pietrasiewicz drm_connector_init_with_ddc(dev, connector, 905350fd554SAndrzej Pietrasiewicz &ast_connector_funcs, 906350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 907350fd554SAndrzej Pietrasiewicz &ast_connector->i2c->adapter); 908312fec14SDave Airlie 909312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 910312fec14SDave Airlie 911312fec14SDave Airlie connector->interlace_allowed = 0; 912312fec14SDave Airlie connector->doublescan_allowed = 0; 913312fec14SDave Airlie 91434ea3d38SThomas Wood drm_connector_register(connector); 915312fec14SDave Airlie 916312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 917312fec14SDave Airlie 918312fec14SDave Airlie encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); 919cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 920312fec14SDave Airlie 921312fec14SDave Airlie return 0; 922312fec14SDave Airlie } 923312fec14SDave Airlie 924312fec14SDave Airlie /* allocate cursor cache and pin at start of VRAM */ 9257f5ccd44SRashika static int ast_cursor_init(struct drm_device *dev) 926312fec14SDave Airlie { 927312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 9280090ef3eSThomas Zimmermann size_t size, i; 9295b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 9300090ef3eSThomas Zimmermann int ret; 931312fec14SDave Airlie 9320090ef3eSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 933312fec14SDave Airlie 9340090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 9350090ef3eSThomas Zimmermann gbo = drm_gem_vram_create(dev, &dev->vram_mm->bdev, 9360090ef3eSThomas Zimmermann size, 0, false); 9370090ef3eSThomas Zimmermann if (IS_ERR(gbo)) { 9380090ef3eSThomas Zimmermann ret = PTR_ERR(gbo); 9390090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 9400090ef3eSThomas Zimmermann } 9410090ef3eSThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | 9420090ef3eSThomas Zimmermann DRM_GEM_VRAM_PL_FLAG_TOPDOWN); 9430090ef3eSThomas Zimmermann if (ret) { 9440090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 9450090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 9465b370979SThomas Zimmermann } 947312fec14SDave Airlie 9480090ef3eSThomas Zimmermann ast->cursor.gbo[i] = gbo; 9493f87330eSThomas Zimmermann } 950312fec14SDave Airlie 951312fec14SDave Airlie return 0; 9520090ef3eSThomas Zimmermann 9530090ef3eSThomas Zimmermann err_drm_gem_vram_put: 9540090ef3eSThomas Zimmermann while (i) { 9550090ef3eSThomas Zimmermann --i; 9560090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 9570090ef3eSThomas Zimmermann drm_gem_vram_unpin(gbo); 9580090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 9590090ef3eSThomas Zimmermann ast->cursor.gbo[i] = NULL; 9600090ef3eSThomas Zimmermann } 961312fec14SDave Airlie return ret; 962312fec14SDave Airlie } 963312fec14SDave Airlie 9647f5ccd44SRashika static void ast_cursor_fini(struct drm_device *dev) 965312fec14SDave Airlie { 966312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 9670090ef3eSThomas Zimmermann size_t i; 9680090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 9690090ef3eSThomas Zimmermann 9700090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 9710090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 9724d7553c3SThomas Zimmermann drm_gem_vram_unpin(gbo); 9730090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 9740090ef3eSThomas Zimmermann } 975312fec14SDave Airlie } 976312fec14SDave Airlie 977312fec14SDave Airlie int ast_mode_init(struct drm_device *dev) 978312fec14SDave Airlie { 979312fec14SDave Airlie ast_cursor_init(dev); 980312fec14SDave Airlie ast_crtc_init(dev); 981312fec14SDave Airlie ast_encoder_init(dev); 982312fec14SDave Airlie ast_connector_init(dev); 983312fec14SDave Airlie return 0; 984312fec14SDave Airlie } 985312fec14SDave Airlie 986312fec14SDave Airlie void ast_mode_fini(struct drm_device *dev) 987312fec14SDave Airlie { 988312fec14SDave Airlie ast_cursor_fini(dev); 989312fec14SDave Airlie } 990312fec14SDave Airlie 991312fec14SDave Airlie static int get_clock(void *i2c_priv) 992312fec14SDave Airlie { 993312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 994312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 99530062562SY.C. Chen uint32_t val, val2, count, pass; 996312fec14SDave Airlie 99730062562SY.C. Chen count = 0; 99830062562SY.C. Chen pass = 0; 99930062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 100030062562SY.C. Chen do { 100130062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 100230062562SY.C. Chen if (val == val2) { 100330062562SY.C. Chen pass++; 100430062562SY.C. Chen } else { 100530062562SY.C. Chen pass = 0; 100630062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 100730062562SY.C. Chen } 100830062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 100930062562SY.C. Chen 1010312fec14SDave Airlie return val & 1 ? 1 : 0; 1011312fec14SDave Airlie } 1012312fec14SDave Airlie 1013312fec14SDave Airlie static int get_data(void *i2c_priv) 1014312fec14SDave Airlie { 1015312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1016312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 101730062562SY.C. Chen uint32_t val, val2, count, pass; 1018312fec14SDave Airlie 101930062562SY.C. Chen count = 0; 102030062562SY.C. Chen pass = 0; 102130062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 102230062562SY.C. Chen do { 102330062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 102430062562SY.C. Chen if (val == val2) { 102530062562SY.C. Chen pass++; 102630062562SY.C. Chen } else { 102730062562SY.C. Chen pass = 0; 102830062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 102930062562SY.C. Chen } 103030062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 103130062562SY.C. Chen 1032312fec14SDave Airlie return val & 1 ? 1 : 0; 1033312fec14SDave Airlie } 1034312fec14SDave Airlie 1035312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 1036312fec14SDave Airlie { 1037312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1038312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1039312fec14SDave Airlie int i; 1040312fec14SDave Airlie u8 ujcrb7, jtemp; 1041312fec14SDave Airlie 1042312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1043312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 104430062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1045312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1046312fec14SDave Airlie if (ujcrb7 == jtemp) 1047312fec14SDave Airlie break; 1048312fec14SDave Airlie } 1049312fec14SDave Airlie } 1050312fec14SDave Airlie 1051312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1052312fec14SDave Airlie { 1053312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1054312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1055312fec14SDave Airlie int i; 1056312fec14SDave Airlie u8 ujcrb7, jtemp; 1057312fec14SDave Airlie 1058312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1059312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 106030062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1061312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1062312fec14SDave Airlie if (ujcrb7 == jtemp) 1063312fec14SDave Airlie break; 1064312fec14SDave Airlie } 1065312fec14SDave Airlie } 1066312fec14SDave Airlie 1067312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1068312fec14SDave Airlie { 1069312fec14SDave Airlie struct ast_i2c_chan *i2c; 1070312fec14SDave Airlie int ret; 1071312fec14SDave Airlie 1072312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1073312fec14SDave Airlie if (!i2c) 1074312fec14SDave Airlie return NULL; 1075312fec14SDave Airlie 1076312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1077312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1078312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1079312fec14SDave Airlie i2c->dev = dev; 1080312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1081312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1082312fec14SDave Airlie "AST i2c bit bus"); 1083312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1084312fec14SDave Airlie 1085312fec14SDave Airlie i2c->bit.udelay = 20; 1086312fec14SDave Airlie i2c->bit.timeout = 2; 1087312fec14SDave Airlie i2c->bit.data = i2c; 1088312fec14SDave Airlie i2c->bit.setsda = set_data; 1089312fec14SDave Airlie i2c->bit.setscl = set_clock; 1090312fec14SDave Airlie i2c->bit.getsda = get_data; 1091312fec14SDave Airlie i2c->bit.getscl = get_clock; 1092312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1093312fec14SDave Airlie if (ret) { 1094312fec14SDave Airlie DRM_ERROR("Failed to register bit i2c\n"); 1095312fec14SDave Airlie goto out_free; 1096312fec14SDave Airlie } 1097312fec14SDave Airlie 1098312fec14SDave Airlie return i2c; 1099312fec14SDave Airlie out_free: 1100312fec14SDave Airlie kfree(i2c); 1101312fec14SDave Airlie return NULL; 1102312fec14SDave Airlie } 1103312fec14SDave Airlie 1104312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1105312fec14SDave Airlie { 1106312fec14SDave Airlie if (!i2c) 1107312fec14SDave Airlie return; 1108312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1109312fec14SDave Airlie kfree(i2c); 1110312fec14SDave Airlie } 1111312fec14SDave Airlie 1112312fec14SDave Airlie static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) 1113312fec14SDave Airlie { 1114312fec14SDave Airlie union { 1115312fec14SDave Airlie u32 ul; 1116312fec14SDave Airlie u8 b[4]; 1117312fec14SDave Airlie } srcdata32[2], data32; 1118312fec14SDave Airlie union { 1119312fec14SDave Airlie u16 us; 1120312fec14SDave Airlie u8 b[2]; 1121312fec14SDave Airlie } data16; 1122312fec14SDave Airlie u32 csum = 0; 1123312fec14SDave Airlie s32 alpha_dst_delta, last_alpha_dst_delta; 1124312fec14SDave Airlie u8 *srcxor, *dstxor; 1125312fec14SDave Airlie int i, j; 1126312fec14SDave Airlie u32 per_pixel_copy, two_pixel_copy; 1127312fec14SDave Airlie 1128312fec14SDave Airlie alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 1129312fec14SDave Airlie last_alpha_dst_delta = alpha_dst_delta - (width << 1); 1130312fec14SDave Airlie 1131312fec14SDave Airlie srcxor = src; 1132312fec14SDave Airlie dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 1133312fec14SDave Airlie per_pixel_copy = width & 1; 1134312fec14SDave Airlie two_pixel_copy = width >> 1; 1135312fec14SDave Airlie 1136312fec14SDave Airlie for (j = 0; j < height; j++) { 1137312fec14SDave Airlie for (i = 0; i < two_pixel_copy; i++) { 1138312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1139312fec14SDave Airlie srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 1140312fec14SDave Airlie data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1141312fec14SDave Airlie data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 11421e99cfa8SBenjamin Herrenschmidt data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 11431e99cfa8SBenjamin Herrenschmidt data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 1144312fec14SDave Airlie 1145312fec14SDave Airlie writel(data32.ul, dstxor); 1146312fec14SDave Airlie csum += data32.ul; 1147312fec14SDave Airlie 1148312fec14SDave Airlie dstxor += 4; 1149312fec14SDave Airlie srcxor += 8; 1150312fec14SDave Airlie 1151312fec14SDave Airlie } 1152312fec14SDave Airlie 1153312fec14SDave Airlie for (i = 0; i < per_pixel_copy; i++) { 1154312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1155312fec14SDave Airlie data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1156312fec14SDave Airlie data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 1157312fec14SDave Airlie writew(data16.us, dstxor); 1158312fec14SDave Airlie csum += (u32)data16.us; 1159312fec14SDave Airlie 1160312fec14SDave Airlie dstxor += 2; 1161312fec14SDave Airlie srcxor += 4; 1162312fec14SDave Airlie } 1163312fec14SDave Airlie dstxor += last_alpha_dst_delta; 1164312fec14SDave Airlie } 1165312fec14SDave Airlie return csum; 1166312fec14SDave Airlie } 1167312fec14SDave Airlie 11682f5989fcSThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 11692f5989fcSThomas Zimmermann unsigned int height) 11702f5989fcSThomas Zimmermann { 11712f5989fcSThomas Zimmermann u32 csum; 11722f5989fcSThomas Zimmermann 11732f5989fcSThomas Zimmermann /* do data transfer to cursor cache */ 11742f5989fcSThomas Zimmermann csum = copy_cursor_image(src, dst, width, height); 11752f5989fcSThomas Zimmermann 11762f5989fcSThomas Zimmermann /* write checksum + signature */ 11772f5989fcSThomas Zimmermann dst += AST_HWC_SIZE; 11782f5989fcSThomas Zimmermann writel(csum, dst); 11792f5989fcSThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 11802f5989fcSThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 11812f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 11822f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 11832f5989fcSThomas Zimmermann 11842f5989fcSThomas Zimmermann return 0; 11852f5989fcSThomas Zimmermann } 11862f5989fcSThomas Zimmermann 11872f5989fcSThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address) 11882f5989fcSThomas Zimmermann { 11892f5989fcSThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 11902f5989fcSThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 11912f5989fcSThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 11922f5989fcSThomas Zimmermann 11932f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 11942f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 11952f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 11962f5989fcSThomas Zimmermann } 11972f5989fcSThomas Zimmermann 1198659d1a49SThomas Zimmermann static int ast_show_cursor(struct drm_crtc *crtc, void *src, 1199659d1a49SThomas Zimmermann unsigned int width, unsigned int height) 1200714468d9SThomas Zimmermann { 1201714468d9SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 12022f5989fcSThomas Zimmermann struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1203659d1a49SThomas Zimmermann struct drm_gem_vram_object *gbo; 12040090ef3eSThomas Zimmermann void *dst; 1205659d1a49SThomas Zimmermann s64 off; 12062f5989fcSThomas Zimmermann int ret; 1207714468d9SThomas Zimmermann u8 jreg; 1208714468d9SThomas Zimmermann 12090090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 1210659d1a49SThomas Zimmermann dst = drm_gem_vram_vmap(gbo); 1211659d1a49SThomas Zimmermann if (IS_ERR(dst)) 1212659d1a49SThomas Zimmermann return PTR_ERR(dst); 1213659d1a49SThomas Zimmermann off = drm_gem_vram_offset(gbo); 1214659d1a49SThomas Zimmermann if (off < 0) { 1215659d1a49SThomas Zimmermann ret = (int)off; 1216659d1a49SThomas Zimmermann goto err_drm_gem_vram_vunmap; 1217659d1a49SThomas Zimmermann } 12182f5989fcSThomas Zimmermann 12190090ef3eSThomas Zimmermann ret = ast_cursor_update(dst, src, width, height); 12202f5989fcSThomas Zimmermann if (ret) 1221659d1a49SThomas Zimmermann goto err_drm_gem_vram_vunmap; 1222659d1a49SThomas Zimmermann ast_cursor_set_base(ast, off); 12232f5989fcSThomas Zimmermann 12242f5989fcSThomas Zimmermann ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width; 12252f5989fcSThomas Zimmermann ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height; 12262f5989fcSThomas Zimmermann 1227714468d9SThomas Zimmermann jreg = 0x2; 1228714468d9SThomas Zimmermann /* enable ARGB cursor */ 1229714468d9SThomas Zimmermann jreg |= 1; 1230714468d9SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 12312f5989fcSThomas Zimmermann 12320090ef3eSThomas Zimmermann ++ast->cursor.next_index; 12330090ef3eSThomas Zimmermann ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); 1234659d1a49SThomas Zimmermann 1235659d1a49SThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 1236659d1a49SThomas Zimmermann 12372f5989fcSThomas Zimmermann return 0; 1238659d1a49SThomas Zimmermann 1239659d1a49SThomas Zimmermann err_drm_gem_vram_vunmap: 1240659d1a49SThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 1241659d1a49SThomas Zimmermann return ret; 1242714468d9SThomas Zimmermann } 1243714468d9SThomas Zimmermann 1244714468d9SThomas Zimmermann static void ast_hide_cursor(struct drm_crtc *crtc) 1245714468d9SThomas Zimmermann { 1246714468d9SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 12472f5989fcSThomas Zimmermann 1248714468d9SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); 1249714468d9SThomas Zimmermann } 1250714468d9SThomas Zimmermann 1251312fec14SDave Airlie static int ast_cursor_set(struct drm_crtc *crtc, 1252312fec14SDave Airlie struct drm_file *file_priv, 1253312fec14SDave Airlie uint32_t handle, 1254312fec14SDave Airlie uint32_t width, 1255312fec14SDave Airlie uint32_t height) 1256312fec14SDave Airlie { 1257312fec14SDave Airlie struct drm_gem_object *obj; 12585b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 1259659d1a49SThomas Zimmermann u8 *src; 1260312fec14SDave Airlie int ret; 126127072152SThomas Zimmermann 1262312fec14SDave Airlie if (!handle) { 1263312fec14SDave Airlie ast_hide_cursor(crtc); 1264312fec14SDave Airlie return 0; 1265312fec14SDave Airlie } 1266312fec14SDave Airlie 1267312fec14SDave Airlie if (width > AST_MAX_HWC_WIDTH || height > AST_MAX_HWC_HEIGHT) 1268312fec14SDave Airlie return -EINVAL; 1269312fec14SDave Airlie 1270a8ad0bd8SChris Wilson obj = drm_gem_object_lookup(file_priv, handle); 1271312fec14SDave Airlie if (!obj) { 1272312fec14SDave Airlie DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); 1273312fec14SDave Airlie return -ENOENT; 1274312fec14SDave Airlie } 12755b370979SThomas Zimmermann gbo = drm_gem_vram_of_gem(obj); 1276820d6606SThomas Zimmermann src = drm_gem_vram_vmap(gbo); 12773f87330eSThomas Zimmermann if (IS_ERR(src)) { 12783f87330eSThomas Zimmermann ret = PTR_ERR(src); 1279820d6606SThomas Zimmermann goto err_drm_gem_object_put_unlocked; 12803f87330eSThomas Zimmermann } 12813f87330eSThomas Zimmermann 1282659d1a49SThomas Zimmermann ret = ast_show_cursor(crtc, src, width, height); 12832f5989fcSThomas Zimmermann if (ret) 1284659d1a49SThomas Zimmermann goto err_drm_gem_vram_vunmap; 1285312fec14SDave Airlie 1286820d6606SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 12871feba03fSCihangir Akturk drm_gem_object_put_unlocked(obj); 128827072152SThomas Zimmermann 1289312fec14SDave Airlie return 0; 12903f87330eSThomas Zimmermann 1291820d6606SThomas Zimmermann err_drm_gem_vram_vunmap: 1292820d6606SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 129327072152SThomas Zimmermann err_drm_gem_object_put_unlocked: 12941feba03fSCihangir Akturk drm_gem_object_put_unlocked(obj); 1295312fec14SDave Airlie return ret; 1296312fec14SDave Airlie } 1297312fec14SDave Airlie 1298312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 1299312fec14SDave Airlie int x, int y) 1300312fec14SDave Airlie { 1301312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1302312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 13030090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 1304312fec14SDave Airlie int x_offset, y_offset; 13050090ef3eSThomas Zimmermann u8 *dst, *sig; 130696a49f39SThomas Zimmermann u8 jreg; 1307312fec14SDave Airlie 13080090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 13090090ef3eSThomas Zimmermann dst = drm_gem_vram_vmap(gbo); 13100090ef3eSThomas Zimmermann if (IS_ERR(dst)) 13110090ef3eSThomas Zimmermann return PTR_ERR(dst); 13120090ef3eSThomas Zimmermann 13130090ef3eSThomas Zimmermann sig = dst + AST_HWC_SIZE; 1314312fec14SDave Airlie writel(x, sig + AST_HWC_SIGNATURE_X); 1315312fec14SDave Airlie writel(y, sig + AST_HWC_SIGNATURE_Y); 1316312fec14SDave Airlie 1317312fec14SDave Airlie x_offset = ast_crtc->offset_x; 1318312fec14SDave Airlie y_offset = ast_crtc->offset_y; 1319312fec14SDave Airlie if (x < 0) { 1320312fec14SDave Airlie x_offset = (-x) + ast_crtc->offset_x; 1321312fec14SDave Airlie x = 0; 1322312fec14SDave Airlie } 1323312fec14SDave Airlie 1324312fec14SDave Airlie if (y < 0) { 1325312fec14SDave Airlie y_offset = (-y) + ast_crtc->offset_y; 1326312fec14SDave Airlie y = 0; 1327312fec14SDave Airlie } 1328312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 1329312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 1330312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); 1331312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); 1332312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); 1333312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); 1334312fec14SDave Airlie 1335312fec14SDave Airlie /* dummy write to fire HWC */ 133696a49f39SThomas Zimmermann jreg = 0x02 | 133796a49f39SThomas Zimmermann 0x01; /* enable ARGB4444 cursor */ 133896a49f39SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 1339312fec14SDave Airlie 13400090ef3eSThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 13410090ef3eSThomas Zimmermann 1342312fec14SDave Airlie return 0; 1343312fec14SDave Airlie } 1344