1312fec14SDave Airlie /* 2312fec14SDave Airlie * Copyright 2012 Red Hat Inc. 3312fec14SDave Airlie * Parts based on xf86-video-ast 4312fec14SDave Airlie * Copyright (c) 2005 ASPEED Technology Inc. 5312fec14SDave Airlie * 6312fec14SDave Airlie * Permission is hereby granted, free of charge, to any person obtaining a 7312fec14SDave Airlie * copy of this software and associated documentation files (the 8312fec14SDave Airlie * "Software"), to deal in the Software without restriction, including 9312fec14SDave Airlie * without limitation the rights to use, copy, modify, merge, publish, 10312fec14SDave Airlie * distribute, sub license, and/or sell copies of the Software, and to 11312fec14SDave Airlie * permit persons to whom the Software is furnished to do so, subject to 12312fec14SDave Airlie * the following conditions: 13312fec14SDave Airlie * 14312fec14SDave Airlie * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15312fec14SDave Airlie * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16312fec14SDave Airlie * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 17312fec14SDave Airlie * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 18312fec14SDave Airlie * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19312fec14SDave Airlie * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20312fec14SDave Airlie * USE OR OTHER DEALINGS IN THE SOFTWARE. 21312fec14SDave Airlie * 22312fec14SDave Airlie * The above copyright notice and this permission notice (including the 23312fec14SDave Airlie * next paragraph) shall be included in all copies or substantial portions 24312fec14SDave Airlie * of the Software. 25312fec14SDave Airlie * 26312fec14SDave Airlie */ 27312fec14SDave Airlie /* 28312fec14SDave Airlie * Authors: Dave Airlie <airlied@redhat.com> 29312fec14SDave Airlie */ 30fbbbd160SSam Ravnborg 31312fec14SDave Airlie #include <linux/export.h> 32fbbbd160SSam Ravnborg #include <linux/pci.h> 33fbbbd160SSam Ravnborg 34ae46a57dSThomas Zimmermann #include <drm/drm_atomic.h> 35a6ff807bSThomas Zimmermann #include <drm/drm_atomic_helper.h> 36a6ff807bSThomas Zimmermann #include <drm/drm_atomic_state_helper.h> 37760285e7SDavid Howells #include <drm/drm_crtc.h> 38760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 39fbbbd160SSam Ravnborg #include <drm/drm_fourcc.h> 40fbbbd160SSam Ravnborg #include <drm/drm_gem_vram_helper.h> 413cb9ae4fSDaniel Vetter #include <drm/drm_plane_helper.h> 42fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 434220fdf0SThomas Zimmermann #include <drm/drm_simple_kms_helper.h> 44312fec14SDave Airlie 45fbbbd160SSam Ravnborg #include "ast_drv.h" 46312fec14SDave Airlie #include "ast_tables.h" 47312fec14SDave Airlie 48312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 49312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c); 50312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 51312fec14SDave Airlie int x, int y); 52312fec14SDave Airlie 53a6ff807bSThomas Zimmermann 5402f3bb75SThomas Zimmermann static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height); 5502f3bb75SThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 5602f3bb75SThomas Zimmermann unsigned int height); 5702f3bb75SThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address); 5802f3bb75SThomas Zimmermann static int ast_cursor_move(struct drm_crtc *crtc, 5902f3bb75SThomas Zimmermann int x, int y); 6002f3bb75SThomas Zimmermann 61312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 62312fec14SDave Airlie u8 index, u8 red, u8 green, 63312fec14SDave Airlie u8 blue) 64312fec14SDave Airlie { 65312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 66312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 67312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 68312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 69312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 70312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 71312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 72312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 73312fec14SDave Airlie } 74312fec14SDave Airlie 75ae37025dSThomas Zimmermann static void ast_crtc_load_lut(struct ast_private *ast, struct drm_crtc *crtc) 76312fec14SDave Airlie { 773bffd962SPeter Rosin u16 *r, *g, *b; 78312fec14SDave Airlie int i; 79312fec14SDave Airlie 80312fec14SDave Airlie if (!crtc->enabled) 81312fec14SDave Airlie return; 82312fec14SDave Airlie 833bffd962SPeter Rosin r = crtc->gamma_store; 843bffd962SPeter Rosin g = r + crtc->gamma_size; 853bffd962SPeter Rosin b = g + crtc->gamma_size; 863bffd962SPeter Rosin 87312fec14SDave Airlie for (i = 0; i < 256; i++) 883bffd962SPeter Rosin ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); 89312fec14SDave Airlie } 90312fec14SDave Airlie 91ae37025dSThomas Zimmermann static bool ast_get_vbios_mode_info(const struct drm_format_info *format, 92259d14a7SThomas Zimmermann const struct drm_display_mode *mode, 93312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 94312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 95312fec14SDave Airlie { 96259d14a7SThomas Zimmermann u32 refresh_rate_index = 0, refresh_rate; 9722acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 98312fec14SDave Airlie u32 hborder, vborder; 9994d12b13SY.C. Chen bool check_sync; 100312fec14SDave Airlie 101ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 102312fec14SDave Airlie case 8: 103312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 104312fec14SDave Airlie break; 105312fec14SDave Airlie case 16: 106312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 107312fec14SDave Airlie break; 108312fec14SDave Airlie case 24: 109312fec14SDave Airlie case 32: 110312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 111312fec14SDave Airlie break; 112312fec14SDave Airlie default: 113312fec14SDave Airlie return false; 114312fec14SDave Airlie } 115312fec14SDave Airlie 116259d14a7SThomas Zimmermann switch (mode->crtc_hdisplay) { 117312fec14SDave Airlie case 640: 118312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 119312fec14SDave Airlie break; 120312fec14SDave Airlie case 800: 121312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 122312fec14SDave Airlie break; 123312fec14SDave Airlie case 1024: 124312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 125312fec14SDave Airlie break; 126312fec14SDave Airlie case 1280: 127259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 800) 128312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 129312fec14SDave Airlie else 130312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 131312fec14SDave Airlie break; 132f1f62f2cSDave Airlie case 1360: 133f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 134f1f62f2cSDave Airlie break; 135312fec14SDave Airlie case 1440: 136312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 137312fec14SDave Airlie break; 138312fec14SDave Airlie case 1600: 139259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 900) 140f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 141f1f62f2cSDave Airlie else 142312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 143312fec14SDave Airlie break; 144312fec14SDave Airlie case 1680: 145312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 146312fec14SDave Airlie break; 147312fec14SDave Airlie case 1920: 148259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 1080) 149312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 150312fec14SDave Airlie else 151312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 152312fec14SDave Airlie break; 153312fec14SDave Airlie default: 154312fec14SDave Airlie return false; 155312fec14SDave Airlie } 156312fec14SDave Airlie 157312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 15894d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 159259d14a7SThomas Zimmermann 160259d14a7SThomas Zimmermann while (1) { 16122acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 16294d12b13SY.C. Chen 16394d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 16494d12b13SY.C. Chen if ((check_sync) && 16594d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 16694d12b13SY.C. Chen (loop->flags & PVSync)) || 16794d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 16894d12b13SY.C. Chen (loop->flags & NVSync)) || 16994d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 17094d12b13SY.C. Chen (loop->flags & PHSync)) || 17194d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 17294d12b13SY.C. Chen (loop->flags & NHSync)))) { 17394d12b13SY.C. Chen loop++; 17494d12b13SY.C. Chen continue; 17594d12b13SY.C. Chen } 17694d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 17794d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 17894d12b13SY.C. Chen best = loop; 17994d12b13SY.C. Chen loop++; 18094d12b13SY.C. Chen } 18194d12b13SY.C. Chen if (best || !check_sync) 182312fec14SDave Airlie break; 18394d12b13SY.C. Chen check_sync = 0; 184259d14a7SThomas Zimmermann } 185259d14a7SThomas Zimmermann 18694d12b13SY.C. Chen if (best) 18794d12b13SY.C. Chen vbios_mode->enh_table = best; 188312fec14SDave Airlie 189312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 190312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 191312fec14SDave Airlie 192312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 193312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 194312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 195312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 196312fec14SDave Airlie vbios_mode->enh_table->hfp; 197312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 198312fec14SDave Airlie vbios_mode->enh_table->hfp + 199312fec14SDave Airlie vbios_mode->enh_table->hsync); 200312fec14SDave Airlie 201312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 202312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 203312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 204312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 205312fec14SDave Airlie vbios_mode->enh_table->vfp; 206312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 207312fec14SDave Airlie vbios_mode->enh_table->vfp + 208312fec14SDave Airlie vbios_mode->enh_table->vsync); 209312fec14SDave Airlie 210259d14a7SThomas Zimmermann return true; 211259d14a7SThomas Zimmermann } 212259d14a7SThomas Zimmermann 213ae37025dSThomas Zimmermann static void ast_set_vbios_color_reg(struct ast_private *ast, 214ae37025dSThomas Zimmermann const struct drm_format_info *format, 215259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 216259d14a7SThomas Zimmermann { 217259d14a7SThomas Zimmermann u32 color_index; 218259d14a7SThomas Zimmermann 219ae37025dSThomas Zimmermann switch (format->cpp[0]) { 220259d14a7SThomas Zimmermann case 1: 221259d14a7SThomas Zimmermann color_index = VGAModeIndex - 1; 222259d14a7SThomas Zimmermann break; 223259d14a7SThomas Zimmermann case 2: 224259d14a7SThomas Zimmermann color_index = HiCModeIndex; 225259d14a7SThomas Zimmermann break; 226259d14a7SThomas Zimmermann case 3: 227259d14a7SThomas Zimmermann case 4: 228259d14a7SThomas Zimmermann color_index = TrueCModeIndex; 229259d14a7SThomas Zimmermann default: 230259d14a7SThomas Zimmermann return; 231259d14a7SThomas Zimmermann } 232259d14a7SThomas Zimmermann 233259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); 234259d14a7SThomas Zimmermann 235259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 236259d14a7SThomas Zimmermann 237259d14a7SThomas Zimmermann if (vbios_mode->enh_table->flags & NewModeInfo) { 238259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 239ae37025dSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8); 240259d14a7SThomas Zimmermann } 241259d14a7SThomas Zimmermann } 242259d14a7SThomas Zimmermann 243ae37025dSThomas Zimmermann static void ast_set_vbios_mode_reg(struct ast_private *ast, 244259d14a7SThomas Zimmermann const struct drm_display_mode *adjusted_mode, 245259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 246259d14a7SThomas Zimmermann { 247259d14a7SThomas Zimmermann u32 refresh_rate_index, mode_id; 248259d14a7SThomas Zimmermann 249312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 250312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 251312fec14SDave Airlie 252312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 253312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 254312fec14SDave Airlie 255f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 256259d14a7SThomas Zimmermann 257f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 258312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 259312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 260312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 261312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 262312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 263312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 264312fec14SDave Airlie } 265f1f62f2cSDave Airlie } 266312fec14SDave Airlie 267ae37025dSThomas Zimmermann static void ast_set_std_reg(struct ast_private *ast, 268ae37025dSThomas Zimmermann struct drm_display_mode *mode, 269312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 270312fec14SDave Airlie { 27122acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 272312fec14SDave Airlie u32 i; 273312fec14SDave Airlie u8 jreg; 274312fec14SDave Airlie 275312fec14SDave Airlie stdtable = vbios_mode->std_table; 276312fec14SDave Airlie 277312fec14SDave Airlie jreg = stdtable->misc; 278312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 279312fec14SDave Airlie 2802fbeec03SThomas Zimmermann /* Set SEQ; except Screen Disable field */ 281312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 2822fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]); 2832fbeec03SThomas Zimmermann for (i = 1; i < 4; i++) { 284312fec14SDave Airlie jreg = stdtable->seq[i]; 285312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 286312fec14SDave Airlie } 287312fec14SDave Airlie 288a21fdd7aSThomas Zimmermann /* Set CRTC; except base address and offset */ 289312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 290a21fdd7aSThomas Zimmermann for (i = 0; i < 12; i++) 291a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 292a21fdd7aSThomas Zimmermann for (i = 14; i < 19; i++) 293a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 294a21fdd7aSThomas Zimmermann for (i = 20; i < 25; i++) 295312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 296312fec14SDave Airlie 297312fec14SDave Airlie /* set AR */ 298312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 299312fec14SDave Airlie for (i = 0; i < 20; i++) { 300312fec14SDave Airlie jreg = stdtable->ar[i]; 301312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 302312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 303312fec14SDave Airlie } 304312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 305312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 306312fec14SDave Airlie 307312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 308312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 309312fec14SDave Airlie 310312fec14SDave Airlie /* Set GR */ 311312fec14SDave Airlie for (i = 0; i < 9; i++) 312312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 313312fec14SDave Airlie } 314312fec14SDave Airlie 315ae37025dSThomas Zimmermann static void ast_set_crtc_reg(struct ast_private *ast, 316ae37025dSThomas Zimmermann struct drm_display_mode *mode, 317312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 318312fec14SDave Airlie { 319312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 3209f93c8b3SY.C. Chen u16 temp, precache = 0; 3219f93c8b3SY.C. Chen 3229f93c8b3SY.C. Chen if ((ast->chip == AST2500) && 3239f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 3249f93c8b3SY.C. Chen precache = 40; 325312fec14SDave Airlie 326312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 327312fec14SDave Airlie 328312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 329312fec14SDave Airlie if (temp & 0x100) 330312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 331312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 332312fec14SDave Airlie 333312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 334312fec14SDave Airlie if (temp & 0x100) 335312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 336312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 337312fec14SDave Airlie 338312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 339312fec14SDave Airlie if (temp & 0x100) 340312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 341312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 342312fec14SDave Airlie 343312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 344312fec14SDave Airlie if (temp & 0x20) 345312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 346312fec14SDave Airlie if (temp & 0x40) 347312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 348312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 349312fec14SDave Airlie 3509f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 351312fec14SDave Airlie if (temp & 0x100) 352312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 353312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 354312fec14SDave Airlie 3559f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 356312fec14SDave Airlie if (temp & 0x20) 357312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 358312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 359312fec14SDave Airlie 360312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 361312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 362312fec14SDave Airlie 363312fec14SDave Airlie /* vert timings */ 364312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 365312fec14SDave Airlie if (temp & 0x100) 366312fec14SDave Airlie jreg07 |= 0x01; 367312fec14SDave Airlie if (temp & 0x200) 368312fec14SDave Airlie jreg07 |= 0x20; 369312fec14SDave Airlie if (temp & 0x400) 370312fec14SDave Airlie jregAE |= 0x01; 371312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 372312fec14SDave Airlie 373312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 374312fec14SDave Airlie if (temp & 0x100) 375312fec14SDave Airlie jreg07 |= 0x04; 376312fec14SDave Airlie if (temp & 0x200) 377312fec14SDave Airlie jreg07 |= 0x80; 378312fec14SDave Airlie if (temp & 0x400) 379312fec14SDave Airlie jregAE |= 0x08; 380312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 381312fec14SDave Airlie 382312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 383312fec14SDave Airlie if (temp & 0x10) 384312fec14SDave Airlie jregAE |= 0x20; 385312fec14SDave Airlie if (temp & 0x20) 386312fec14SDave Airlie jregAE |= 0x40; 387312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 388312fec14SDave Airlie 389312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 390312fec14SDave Airlie if (temp & 0x100) 391312fec14SDave Airlie jreg07 |= 0x02; 392312fec14SDave Airlie if (temp & 0x200) 393312fec14SDave Airlie jreg07 |= 0x40; 394312fec14SDave Airlie if (temp & 0x400) 395312fec14SDave Airlie jregAE |= 0x02; 396312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 397312fec14SDave Airlie 398312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 399312fec14SDave Airlie if (temp & 0x100) 400312fec14SDave Airlie jreg07 |= 0x08; 401312fec14SDave Airlie if (temp & 0x200) 402312fec14SDave Airlie jreg09 |= 0x20; 403312fec14SDave Airlie if (temp & 0x400) 404312fec14SDave Airlie jregAE |= 0x04; 405312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 406312fec14SDave Airlie 407312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 408312fec14SDave Airlie if (temp & 0x100) 409312fec14SDave Airlie jregAE |= 0x10; 410312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 411312fec14SDave Airlie 412312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 413312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 414312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 415312fec14SDave Airlie 4169f93c8b3SY.C. Chen if (precache) 4179f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 4189f93c8b3SY.C. Chen else 4199f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 4209f93c8b3SY.C. Chen 421312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 422312fec14SDave Airlie } 423312fec14SDave Airlie 424ae37025dSThomas Zimmermann static void ast_set_offset_reg(struct ast_private *ast, 425ae37025dSThomas Zimmermann struct drm_framebuffer *fb) 426312fec14SDave Airlie { 427312fec14SDave Airlie u16 offset; 428312fec14SDave Airlie 4297445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 430312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 431312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 432312fec14SDave Airlie } 433312fec14SDave Airlie 434ae37025dSThomas Zimmermann static void ast_set_dclk_reg(struct ast_private *ast, 435ae37025dSThomas Zimmermann struct drm_display_mode *mode, 436312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 437312fec14SDave Airlie { 43822acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 439312fec14SDave Airlie 4409f93c8b3SY.C. Chen if (ast->chip == AST2500) 4419f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4429f93c8b3SY.C. Chen else 443312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 444312fec14SDave Airlie 445312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 446312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 447312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4489f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4499f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 450312fec14SDave Airlie } 451312fec14SDave Airlie 452ae37025dSThomas Zimmermann static void ast_set_color_reg(struct ast_private *ast, 453ae37025dSThomas Zimmermann const struct drm_format_info *format) 454312fec14SDave Airlie { 455312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 456312fec14SDave Airlie 457ae37025dSThomas Zimmermann switch (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 481ae37025dSThomas Zimmermann static void ast_set_crtthd_reg(struct ast_private *ast) 4820d45ad98SThomas Zimmermann { 483312fec14SDave Airlie /* Set Threshold */ 4849f93c8b3SY.C. Chen if (ast->chip == AST2300 || ast->chip == AST2400 || 4859f93c8b3SY.C. Chen ast->chip == AST2500) { 486312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 487312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 488312fec14SDave Airlie } else if (ast->chip == AST2100 || 489312fec14SDave Airlie ast->chip == AST1100 || 490312fec14SDave Airlie ast->chip == AST2200 || 491312fec14SDave Airlie ast->chip == AST2150) { 492312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 493312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 494312fec14SDave Airlie } else { 495312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 496312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 497312fec14SDave Airlie } 498312fec14SDave Airlie } 499312fec14SDave Airlie 500ae37025dSThomas Zimmermann static void ast_set_sync_reg(struct ast_private *ast, 501ae37025dSThomas Zimmermann struct drm_display_mode *mode, 502312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 503312fec14SDave Airlie { 504312fec14SDave Airlie u8 jreg; 505312fec14SDave Airlie 506312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 50794d12b13SY.C. Chen jreg &= ~0xC0; 50894d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 50994d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 510312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 511312fec14SDave Airlie } 512312fec14SDave Airlie 513ae37025dSThomas Zimmermann static void ast_set_start_address_crt1(struct ast_private *ast, 514ae37025dSThomas Zimmermann unsigned offset) 515312fec14SDave Airlie { 516312fec14SDave Airlie u32 addr; 517312fec14SDave Airlie 518312fec14SDave Airlie addr = offset >> 2; 519312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 520312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 521312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 522312fec14SDave Airlie 523312fec14SDave Airlie } 524312fec14SDave Airlie 525a6ff807bSThomas Zimmermann /* 526a6ff807bSThomas Zimmermann * Primary plane 527a6ff807bSThomas Zimmermann */ 528a6ff807bSThomas Zimmermann 529a6ff807bSThomas Zimmermann static const uint32_t ast_primary_plane_formats[] = { 530a6ff807bSThomas Zimmermann DRM_FORMAT_XRGB8888, 531a6ff807bSThomas Zimmermann DRM_FORMAT_RGB565, 532a6ff807bSThomas Zimmermann DRM_FORMAT_C8, 533a6ff807bSThomas Zimmermann }; 534a6ff807bSThomas Zimmermann 535ae46a57dSThomas Zimmermann static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, 536a6ff807bSThomas Zimmermann struct drm_plane_state *state) 537a6ff807bSThomas Zimmermann { 538ae46a57dSThomas Zimmermann struct drm_crtc_state *crtc_state; 5393339fdf5SThomas Zimmermann struct ast_crtc_state *ast_crtc_state; 540ae46a57dSThomas Zimmermann int ret; 541ae46a57dSThomas Zimmermann 542ae46a57dSThomas Zimmermann if (!state->crtc) 543ae46a57dSThomas Zimmermann return 0; 544ae46a57dSThomas Zimmermann 545ae46a57dSThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); 546ae46a57dSThomas Zimmermann 547ae46a57dSThomas Zimmermann ret = drm_atomic_helper_check_plane_state(state, crtc_state, 548ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 549ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 550ae46a57dSThomas Zimmermann false, true); 551ae46a57dSThomas Zimmermann if (ret) 552ae46a57dSThomas Zimmermann return ret; 553ae46a57dSThomas Zimmermann 5543339fdf5SThomas Zimmermann if (!state->visible) 5553339fdf5SThomas Zimmermann return 0; 5563339fdf5SThomas Zimmermann 5573339fdf5SThomas Zimmermann ast_crtc_state = to_ast_crtc_state(crtc_state); 5583339fdf5SThomas Zimmermann 5593339fdf5SThomas Zimmermann ast_crtc_state->format = state->fb->format; 5603339fdf5SThomas Zimmermann 561a6ff807bSThomas Zimmermann return 0; 562a6ff807bSThomas Zimmermann } 563a6ff807bSThomas Zimmermann 5643a53230eSSamuel Zou static void 5653a53230eSSamuel Zou ast_primary_plane_helper_atomic_update(struct drm_plane *plane, 566a6ff807bSThomas Zimmermann struct drm_plane_state *old_state) 567a6ff807bSThomas Zimmermann { 5681a19b4cbSThomas Zimmermann struct drm_device *dev = plane->dev; 5691a19b4cbSThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 570a6ff807bSThomas Zimmermann struct drm_plane_state *state = plane->state; 571a6ff807bSThomas Zimmermann struct drm_gem_vram_object *gbo; 572a6ff807bSThomas Zimmermann s64 gpu_addr; 573a6ff807bSThomas Zimmermann 574a6ff807bSThomas Zimmermann gbo = drm_gem_vram_of_gem(state->fb->obj[0]); 575a6ff807bSThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 5761a19b4cbSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, gpu_addr < 0)) 577a6ff807bSThomas Zimmermann return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ 578a6ff807bSThomas Zimmermann 579ae37025dSThomas Zimmermann ast_set_offset_reg(ast, state->fb); 580ae37025dSThomas Zimmermann ast_set_start_address_crt1(ast, (u32)gpu_addr); 5812fbeec03SThomas Zimmermann 5822fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); 5832fbeec03SThomas Zimmermann } 5842fbeec03SThomas Zimmermann 5852fbeec03SThomas Zimmermann static void 5862fbeec03SThomas Zimmermann ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, 5872fbeec03SThomas Zimmermann struct drm_plane_state *old_state) 5882fbeec03SThomas Zimmermann { 589fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 5902fbeec03SThomas Zimmermann 5912fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 592a6ff807bSThomas Zimmermann } 593a6ff807bSThomas Zimmermann 594a6ff807bSThomas Zimmermann static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { 595a6ff807bSThomas Zimmermann .prepare_fb = drm_gem_vram_plane_helper_prepare_fb, 596a6ff807bSThomas Zimmermann .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb, 597a6ff807bSThomas Zimmermann .atomic_check = ast_primary_plane_helper_atomic_check, 598a6ff807bSThomas Zimmermann .atomic_update = ast_primary_plane_helper_atomic_update, 5992fbeec03SThomas Zimmermann .atomic_disable = ast_primary_plane_helper_atomic_disable, 600a6ff807bSThomas Zimmermann }; 601a6ff807bSThomas Zimmermann 602a6ff807bSThomas Zimmermann static const struct drm_plane_funcs ast_primary_plane_funcs = { 603a6ff807bSThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 604a6ff807bSThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 605a6ff807bSThomas Zimmermann .destroy = drm_plane_cleanup, 606a6ff807bSThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 607a6ff807bSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 608a6ff807bSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 609a6ff807bSThomas Zimmermann }; 610a6ff807bSThomas Zimmermann 611a6ff807bSThomas Zimmermann /* 61202f3bb75SThomas Zimmermann * Cursor plane 61302f3bb75SThomas Zimmermann */ 61402f3bb75SThomas Zimmermann 61502f3bb75SThomas Zimmermann static const uint32_t ast_cursor_plane_formats[] = { 61602f3bb75SThomas Zimmermann DRM_FORMAT_ARGB8888, 61702f3bb75SThomas Zimmermann }; 61802f3bb75SThomas Zimmermann 61902f3bb75SThomas Zimmermann static int 62002f3bb75SThomas Zimmermann ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane, 62102f3bb75SThomas Zimmermann struct drm_plane_state *new_state) 62202f3bb75SThomas Zimmermann { 6231a19b4cbSThomas Zimmermann struct drm_device *dev = plane->dev; 62402f3bb75SThomas Zimmermann struct drm_framebuffer *fb = new_state->fb; 62502f3bb75SThomas Zimmermann struct drm_crtc *crtc = new_state->crtc; 62602f3bb75SThomas Zimmermann struct drm_gem_vram_object *gbo; 62702f3bb75SThomas Zimmermann struct ast_private *ast; 62802f3bb75SThomas Zimmermann int ret; 62902f3bb75SThomas Zimmermann void *src, *dst; 63002f3bb75SThomas Zimmermann 63102f3bb75SThomas Zimmermann if (!crtc || !fb) 63202f3bb75SThomas Zimmermann return 0; 63302f3bb75SThomas Zimmermann 6341a19b4cbSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, fb->width > AST_MAX_HWC_WIDTH) || 6351a19b4cbSThomas Zimmermann drm_WARN_ON_ONCE(dev, fb->height > AST_MAX_HWC_HEIGHT)) 636ae46a57dSThomas Zimmermann return -EINVAL; /* BUG: didn't test in atomic_check() */ 63702f3bb75SThomas Zimmermann 6381a19b4cbSThomas Zimmermann ast = to_ast_private(dev); 63902f3bb75SThomas Zimmermann 64002f3bb75SThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 64102f3bb75SThomas Zimmermann src = drm_gem_vram_vmap(gbo); 64202f3bb75SThomas Zimmermann if (IS_ERR(src)) { 64302f3bb75SThomas Zimmermann ret = PTR_ERR(src); 64402f3bb75SThomas Zimmermann goto err_drm_gem_vram_unpin; 64502f3bb75SThomas Zimmermann } 64602f3bb75SThomas Zimmermann 64702f3bb75SThomas Zimmermann dst = drm_gem_vram_vmap(ast->cursor.gbo[ast->cursor.next_index]); 64802f3bb75SThomas Zimmermann if (IS_ERR(dst)) { 64902f3bb75SThomas Zimmermann ret = PTR_ERR(dst); 65002f3bb75SThomas Zimmermann goto err_drm_gem_vram_vunmap_src; 65102f3bb75SThomas Zimmermann } 65202f3bb75SThomas Zimmermann 65302f3bb75SThomas Zimmermann ret = ast_cursor_update(dst, src, fb->width, fb->height); 65402f3bb75SThomas Zimmermann if (ret) 65502f3bb75SThomas Zimmermann goto err_drm_gem_vram_vunmap_dst; 65602f3bb75SThomas Zimmermann 65702f3bb75SThomas Zimmermann /* Always unmap buffers here. Destination buffers are 65802f3bb75SThomas Zimmermann * perma-pinned while the driver is active. We're only 65902f3bb75SThomas Zimmermann * changing ref-counters here. 66002f3bb75SThomas Zimmermann */ 66102f3bb75SThomas Zimmermann drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); 66202f3bb75SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 66302f3bb75SThomas Zimmermann 66402f3bb75SThomas Zimmermann return 0; 66502f3bb75SThomas Zimmermann 66602f3bb75SThomas Zimmermann err_drm_gem_vram_vunmap_dst: 66702f3bb75SThomas Zimmermann drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); 66802f3bb75SThomas Zimmermann err_drm_gem_vram_vunmap_src: 66902f3bb75SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 67002f3bb75SThomas Zimmermann err_drm_gem_vram_unpin: 67102f3bb75SThomas Zimmermann drm_gem_vram_unpin(gbo); 67202f3bb75SThomas Zimmermann return ret; 67302f3bb75SThomas Zimmermann } 67402f3bb75SThomas Zimmermann 67502f3bb75SThomas Zimmermann static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, 67602f3bb75SThomas Zimmermann struct drm_plane_state *state) 67702f3bb75SThomas Zimmermann { 678ae46a57dSThomas Zimmermann struct drm_framebuffer *fb = state->fb; 679ae46a57dSThomas Zimmermann struct drm_crtc_state *crtc_state; 680ae46a57dSThomas Zimmermann int ret; 681ae46a57dSThomas Zimmermann 682ae46a57dSThomas Zimmermann if (!state->crtc) 683ae46a57dSThomas Zimmermann return 0; 684ae46a57dSThomas Zimmermann 685ae46a57dSThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); 686ae46a57dSThomas Zimmermann 687ae46a57dSThomas Zimmermann ret = drm_atomic_helper_check_plane_state(state, crtc_state, 688ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 689ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 690ae46a57dSThomas Zimmermann true, true); 691ae46a57dSThomas Zimmermann if (ret) 692ae46a57dSThomas Zimmermann return ret; 693ae46a57dSThomas Zimmermann 694ae46a57dSThomas Zimmermann if (!state->visible) 695ae46a57dSThomas Zimmermann return 0; 696ae46a57dSThomas Zimmermann 697ae46a57dSThomas Zimmermann if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) 698ae46a57dSThomas Zimmermann return -EINVAL; 699ae46a57dSThomas Zimmermann 70002f3bb75SThomas Zimmermann return 0; 70102f3bb75SThomas Zimmermann } 70202f3bb75SThomas Zimmermann 70302f3bb75SThomas Zimmermann static void 70402f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, 70502f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 70602f3bb75SThomas Zimmermann { 7071a19b4cbSThomas Zimmermann struct drm_device *dev = plane->dev; 70802f3bb75SThomas Zimmermann struct drm_plane_state *state = plane->state; 70902f3bb75SThomas Zimmermann struct drm_crtc *crtc = state->crtc; 71002f3bb75SThomas Zimmermann struct drm_framebuffer *fb = state->fb; 711fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 71202f3bb75SThomas Zimmermann struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 71302f3bb75SThomas Zimmermann struct drm_gem_vram_object *gbo; 71402f3bb75SThomas Zimmermann s64 off; 71502f3bb75SThomas Zimmermann u8 jreg; 71602f3bb75SThomas Zimmermann 71702f3bb75SThomas Zimmermann ast_crtc->offset_x = AST_MAX_HWC_WIDTH - fb->width; 71802f3bb75SThomas Zimmermann ast_crtc->offset_y = AST_MAX_HWC_WIDTH - fb->height; 71902f3bb75SThomas Zimmermann 72002f3bb75SThomas Zimmermann if (state->fb != old_state->fb) { 72102f3bb75SThomas Zimmermann /* A new cursor image was installed. */ 72202f3bb75SThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 72302f3bb75SThomas Zimmermann off = drm_gem_vram_offset(gbo); 7241a19b4cbSThomas Zimmermann if (drm_WARN_ON_ONCE(dev, off < 0)) 72502f3bb75SThomas Zimmermann return; /* Bug: we didn't pin cursor HW BO to VRAM. */ 72602f3bb75SThomas Zimmermann ast_cursor_set_base(ast, off); 72702f3bb75SThomas Zimmermann 72802f3bb75SThomas Zimmermann ++ast->cursor.next_index; 72902f3bb75SThomas Zimmermann ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); 73002f3bb75SThomas Zimmermann } 73102f3bb75SThomas Zimmermann 73202f3bb75SThomas Zimmermann ast_cursor_move(crtc, state->crtc_x, state->crtc_y); 73302f3bb75SThomas Zimmermann 73402f3bb75SThomas Zimmermann jreg = 0x2; 73502f3bb75SThomas Zimmermann /* enable ARGB cursor */ 73602f3bb75SThomas Zimmermann jreg |= 1; 73702f3bb75SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 73802f3bb75SThomas Zimmermann } 73902f3bb75SThomas Zimmermann 74002f3bb75SThomas Zimmermann static void 74102f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, 74202f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 74302f3bb75SThomas Zimmermann { 744fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(plane->dev); 74502f3bb75SThomas Zimmermann 74602f3bb75SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); 74702f3bb75SThomas Zimmermann } 74802f3bb75SThomas Zimmermann 74902f3bb75SThomas Zimmermann static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { 75002f3bb75SThomas Zimmermann .prepare_fb = ast_cursor_plane_helper_prepare_fb, 75102f3bb75SThomas Zimmermann .cleanup_fb = NULL, /* not required for cursor plane */ 75202f3bb75SThomas Zimmermann .atomic_check = ast_cursor_plane_helper_atomic_check, 75302f3bb75SThomas Zimmermann .atomic_update = ast_cursor_plane_helper_atomic_update, 75402f3bb75SThomas Zimmermann .atomic_disable = ast_cursor_plane_helper_atomic_disable, 75502f3bb75SThomas Zimmermann }; 75602f3bb75SThomas Zimmermann 75702f3bb75SThomas Zimmermann static const struct drm_plane_funcs ast_cursor_plane_funcs = { 75802f3bb75SThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 75902f3bb75SThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 76002f3bb75SThomas Zimmermann .destroy = drm_plane_cleanup, 76102f3bb75SThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 76202f3bb75SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 76302f3bb75SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 76402f3bb75SThomas Zimmermann }; 76502f3bb75SThomas Zimmermann 76602f3bb75SThomas Zimmermann /* 767a6ff807bSThomas Zimmermann * CRTC 768a6ff807bSThomas Zimmermann */ 769a6ff807bSThomas Zimmermann 770312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 771312fec14SDave Airlie { 772fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 773312fec14SDave Airlie 7742fbeec03SThomas Zimmermann /* TODO: Maybe control display signal generation with 7752fbeec03SThomas Zimmermann * Sync Enable (bit CR17.7). 7762fbeec03SThomas Zimmermann */ 777312fec14SDave Airlie switch (mode) { 778312fec14SDave Airlie case DRM_MODE_DPMS_ON: 779312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 780312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 78183c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 78283c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 783ae37025dSThomas Zimmermann ast_crtc_load_lut(ast, crtc); 784312fec14SDave Airlie break; 785312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 78683c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 78783c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 788312fec14SDave Airlie break; 789312fec14SDave Airlie } 790312fec14SDave Airlie } 791312fec14SDave Airlie 792b48e1b6fSThomas Zimmermann static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, 793b48e1b6fSThomas Zimmermann struct drm_crtc_state *state) 794b48e1b6fSThomas Zimmermann { 795e7d70cd4SThomas Zimmermann struct ast_crtc_state *ast_state; 7963339fdf5SThomas Zimmermann const struct drm_format_info *format; 797b48e1b6fSThomas Zimmermann bool succ; 798b48e1b6fSThomas Zimmermann 799d6ddbd5cSThomas Zimmermann if (!state->enable) 800d6ddbd5cSThomas Zimmermann return 0; /* no mode checks if CRTC is being disabled */ 801d6ddbd5cSThomas Zimmermann 802e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(state); 803b48e1b6fSThomas Zimmermann 8043339fdf5SThomas Zimmermann format = ast_state->format; 8053339fdf5SThomas Zimmermann if (!format) 806e7d70cd4SThomas Zimmermann return 0; 807e7d70cd4SThomas Zimmermann 8083339fdf5SThomas Zimmermann succ = ast_get_vbios_mode_info(format, &state->mode, 809e7d70cd4SThomas Zimmermann &state->adjusted_mode, 810e7d70cd4SThomas Zimmermann &ast_state->vbios_mode_info); 811b48e1b6fSThomas Zimmermann if (!succ) 812b48e1b6fSThomas Zimmermann return -EINVAL; 813b48e1b6fSThomas Zimmermann 814b48e1b6fSThomas Zimmermann return 0; 815b48e1b6fSThomas Zimmermann } 816b48e1b6fSThomas Zimmermann 817b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_begin(struct drm_crtc *crtc, 818b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 819b48e1b6fSThomas Zimmermann { 820fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 821b48e1b6fSThomas Zimmermann 822b48e1b6fSThomas Zimmermann ast_open_key(ast); 823b48e1b6fSThomas Zimmermann } 824b48e1b6fSThomas Zimmermann 825b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, 826b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 827b48e1b6fSThomas Zimmermann { 82871d873ccSThomas Zimmermann struct drm_device *dev = crtc->dev; 829fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 830e7d70cd4SThomas Zimmermann struct ast_crtc_state *ast_state; 831ae37025dSThomas Zimmermann const struct drm_format_info *format; 832e7d70cd4SThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info; 833e7d70cd4SThomas Zimmermann struct drm_display_mode *adjusted_mode; 834b48e1b6fSThomas Zimmermann 835e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(crtc->state); 836e7d70cd4SThomas Zimmermann 8373339fdf5SThomas Zimmermann format = ast_state->format; 8383339fdf5SThomas Zimmermann if (!format) 8393339fdf5SThomas Zimmermann return; 8403339fdf5SThomas Zimmermann 841e7d70cd4SThomas Zimmermann vbios_mode_info = &ast_state->vbios_mode_info; 84271d873ccSThomas Zimmermann 843ae37025dSThomas Zimmermann ast_set_color_reg(ast, format); 844e7d70cd4SThomas Zimmermann ast_set_vbios_color_reg(ast, format, vbios_mode_info); 845b48e1b6fSThomas Zimmermann 84671d873ccSThomas Zimmermann if (!crtc->state->mode_changed) 847b48e1b6fSThomas Zimmermann return; 848b48e1b6fSThomas Zimmermann 849e7d70cd4SThomas Zimmermann adjusted_mode = &crtc->state->adjusted_mode; 850e7d70cd4SThomas Zimmermann 851e7d70cd4SThomas Zimmermann ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info); 852b48e1b6fSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 853e7d70cd4SThomas Zimmermann ast_set_std_reg(ast, adjusted_mode, vbios_mode_info); 854e7d70cd4SThomas Zimmermann ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info); 855e7d70cd4SThomas Zimmermann ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info); 856ae37025dSThomas Zimmermann ast_set_crtthd_reg(ast); 857e7d70cd4SThomas Zimmermann ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info); 85871d873ccSThomas Zimmermann } 859b48e1b6fSThomas Zimmermann 86071d873ccSThomas Zimmermann static void 86171d873ccSThomas Zimmermann ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, 86271d873ccSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 86371d873ccSThomas Zimmermann { 864b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 865b48e1b6fSThomas Zimmermann } 866b48e1b6fSThomas Zimmermann 867b48e1b6fSThomas Zimmermann static void 868b48e1b6fSThomas Zimmermann ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, 869b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 870b48e1b6fSThomas Zimmermann { 871b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 872b48e1b6fSThomas Zimmermann } 873312fec14SDave Airlie 874312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 875b48e1b6fSThomas Zimmermann .atomic_check = ast_crtc_helper_atomic_check, 876b48e1b6fSThomas Zimmermann .atomic_begin = ast_crtc_helper_atomic_begin, 877b48e1b6fSThomas Zimmermann .atomic_flush = ast_crtc_helper_atomic_flush, 878b48e1b6fSThomas Zimmermann .atomic_enable = ast_crtc_helper_atomic_enable, 879b48e1b6fSThomas Zimmermann .atomic_disable = ast_crtc_helper_atomic_disable, 880312fec14SDave Airlie }; 881312fec14SDave Airlie 882f0adbc38SThomas Zimmermann static void ast_crtc_reset(struct drm_crtc *crtc) 883f0adbc38SThomas Zimmermann { 884f0adbc38SThomas Zimmermann struct ast_crtc_state *ast_state = 885f0adbc38SThomas Zimmermann kzalloc(sizeof(*ast_state), GFP_KERNEL); 886f0adbc38SThomas Zimmermann 887f0adbc38SThomas Zimmermann if (crtc->state) 888f0adbc38SThomas Zimmermann crtc->funcs->atomic_destroy_state(crtc, crtc->state); 889f0adbc38SThomas Zimmermann 890f0adbc38SThomas Zimmermann __drm_atomic_helper_crtc_reset(crtc, &ast_state->base); 891f0adbc38SThomas Zimmermann } 892f0adbc38SThomas Zimmermann 893312fec14SDave Airlie static void ast_crtc_destroy(struct drm_crtc *crtc) 894312fec14SDave Airlie { 895312fec14SDave Airlie drm_crtc_cleanup(crtc); 896312fec14SDave Airlie kfree(crtc); 897312fec14SDave Airlie } 898312fec14SDave Airlie 89983be6a3cSThomas Zimmermann static struct drm_crtc_state * 90083be6a3cSThomas Zimmermann ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) 90183be6a3cSThomas Zimmermann { 902e7d70cd4SThomas Zimmermann struct ast_crtc_state *new_ast_state, *ast_state; 9031a19b4cbSThomas Zimmermann struct drm_device *dev = crtc->dev; 90483be6a3cSThomas Zimmermann 9051a19b4cbSThomas Zimmermann if (drm_WARN_ON(dev, !crtc->state)) 90683be6a3cSThomas Zimmermann return NULL; 90783be6a3cSThomas Zimmermann 90883be6a3cSThomas Zimmermann new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL); 90983be6a3cSThomas Zimmermann if (!new_ast_state) 91083be6a3cSThomas Zimmermann return NULL; 91183be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base); 91283be6a3cSThomas Zimmermann 913e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(crtc->state); 914e7d70cd4SThomas Zimmermann 9153339fdf5SThomas Zimmermann new_ast_state->format = ast_state->format; 916e7d70cd4SThomas Zimmermann memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info, 917e7d70cd4SThomas Zimmermann sizeof(new_ast_state->vbios_mode_info)); 918e7d70cd4SThomas Zimmermann 91983be6a3cSThomas Zimmermann return &new_ast_state->base; 92083be6a3cSThomas Zimmermann } 92183be6a3cSThomas Zimmermann 92283be6a3cSThomas Zimmermann static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc, 92383be6a3cSThomas Zimmermann struct drm_crtc_state *state) 92483be6a3cSThomas Zimmermann { 92583be6a3cSThomas Zimmermann struct ast_crtc_state *ast_state = to_ast_crtc_state(state); 92683be6a3cSThomas Zimmermann 92783be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_destroy_state(&ast_state->base); 92883be6a3cSThomas Zimmermann kfree(ast_state); 92983be6a3cSThomas Zimmermann } 93083be6a3cSThomas Zimmermann 931312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 932f0adbc38SThomas Zimmermann .reset = ast_crtc_reset, 9334961eb60SThomas Zimmermann .gamma_set = drm_atomic_helper_legacy_gamma_set, 934312fec14SDave Airlie .destroy = ast_crtc_destroy, 9354961eb60SThomas Zimmermann .set_config = drm_atomic_helper_set_config, 9364961eb60SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, 93783be6a3cSThomas Zimmermann .atomic_duplicate_state = ast_crtc_atomic_duplicate_state, 93883be6a3cSThomas Zimmermann .atomic_destroy_state = ast_crtc_atomic_destroy_state, 939312fec14SDave Airlie }; 940312fec14SDave Airlie 9417f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 942312fec14SDave Airlie { 943fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 944312fec14SDave Airlie struct ast_crtc *crtc; 945a6ff807bSThomas Zimmermann int ret; 946312fec14SDave Airlie 947312fec14SDave Airlie crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); 948312fec14SDave Airlie if (!crtc) 949312fec14SDave Airlie return -ENOMEM; 950312fec14SDave Airlie 951a6ff807bSThomas Zimmermann ret = drm_crtc_init_with_planes(dev, &crtc->base, &ast->primary_plane, 95202f3bb75SThomas Zimmermann &ast->cursor_plane, &ast_crtc_funcs, 95302f3bb75SThomas Zimmermann NULL); 954a6ff807bSThomas Zimmermann if (ret) 955a6ff807bSThomas Zimmermann goto err_kfree; 956a6ff807bSThomas Zimmermann 957312fec14SDave Airlie drm_mode_crtc_set_gamma_size(&crtc->base, 256); 958312fec14SDave Airlie drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); 959312fec14SDave Airlie return 0; 960a6ff807bSThomas Zimmermann 961a6ff807bSThomas Zimmermann err_kfree: 962a6ff807bSThomas Zimmermann kfree(crtc); 963a6ff807bSThomas Zimmermann return ret; 964312fec14SDave Airlie } 965312fec14SDave Airlie 9664961eb60SThomas Zimmermann /* 9674961eb60SThomas Zimmermann * Encoder 9684961eb60SThomas Zimmermann */ 9694961eb60SThomas Zimmermann 9707f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 971312fec14SDave Airlie { 972fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 9734220fdf0SThomas Zimmermann struct drm_encoder *encoder = &ast->encoder; 9744220fdf0SThomas Zimmermann int ret; 975312fec14SDave Airlie 9764220fdf0SThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC); 9774220fdf0SThomas Zimmermann if (ret) 9784220fdf0SThomas Zimmermann return ret; 979312fec14SDave Airlie 9804220fdf0SThomas Zimmermann encoder->possible_crtcs = 1; 981312fec14SDave Airlie 982312fec14SDave Airlie return 0; 983312fec14SDave Airlie } 984312fec14SDave Airlie 9854961eb60SThomas Zimmermann /* 9864961eb60SThomas Zimmermann * Connector 9874961eb60SThomas Zimmermann */ 9884961eb60SThomas Zimmermann 989312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 990312fec14SDave Airlie { 991312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 992fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(connector->dev); 993312fec14SDave Airlie struct edid *edid; 994312fec14SDave Airlie int ret; 99583c6620bSDave Airlie bool flags = false; 99683c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 99783c6620bSDave Airlie ast->dp501_maxclk = 0xff; 99883c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 99983c6620bSDave Airlie if (!edid) 100083c6620bSDave Airlie return -ENOMEM; 1001312fec14SDave Airlie 100283c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 100383c6620bSDave Airlie if (flags) 100483c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 100583c6620bSDave Airlie else 100683c6620bSDave Airlie kfree(edid); 100783c6620bSDave Airlie } 100883c6620bSDave Airlie if (!flags) 1009312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 1010312fec14SDave Airlie if (edid) { 1011c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 1012312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 1013993dcb05SJani Nikula kfree(edid); 1014312fec14SDave Airlie return ret; 1015312fec14SDave Airlie } else 1016c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 1017312fec14SDave Airlie return 0; 1018312fec14SDave Airlie } 1019312fec14SDave Airlie 1020602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 1021312fec14SDave Airlie struct drm_display_mode *mode) 1022312fec14SDave Airlie { 1023fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(connector->dev); 1024f1f62f2cSDave Airlie int flags = MODE_NOMODE; 1025f1f62f2cSDave Airlie uint32_t jtemp; 1026f1f62f2cSDave Airlie 1027f1f62f2cSDave Airlie if (ast->support_wide_screen) { 1028f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 1029312fec14SDave Airlie return MODE_OK; 1030f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 1031f1f62f2cSDave Airlie return MODE_OK; 1032f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 1033f1f62f2cSDave Airlie return MODE_OK; 1034f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 1035f1f62f2cSDave Airlie return MODE_OK; 1036f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 1037f1f62f2cSDave Airlie return MODE_OK; 1038f1f62f2cSDave Airlie 10399f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 10409f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 104105f13f5bSThomas Zimmermann (ast->chip == AST2500)) { 1042f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 1043f1f62f2cSDave Airlie return MODE_OK; 1044f1f62f2cSDave Airlie 1045f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 1046f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 1047f1f62f2cSDave Airlie if (jtemp & 0x01) 1048f1f62f2cSDave Airlie return MODE_NOMODE; 1049f1f62f2cSDave Airlie else 1050f1f62f2cSDave Airlie return MODE_OK; 1051f1f62f2cSDave Airlie } 1052f1f62f2cSDave Airlie } 1053f1f62f2cSDave Airlie } 1054f1f62f2cSDave Airlie switch (mode->hdisplay) { 1055f1f62f2cSDave Airlie case 640: 1056f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 1057f1f62f2cSDave Airlie break; 1058f1f62f2cSDave Airlie case 800: 1059f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 1060f1f62f2cSDave Airlie break; 1061f1f62f2cSDave Airlie case 1024: 1062f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 1063f1f62f2cSDave Airlie break; 1064f1f62f2cSDave Airlie case 1280: 1065f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 1066f1f62f2cSDave Airlie break; 1067f1f62f2cSDave Airlie case 1600: 1068f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 1069f1f62f2cSDave Airlie break; 1070f1f62f2cSDave Airlie default: 1071f1f62f2cSDave Airlie return flags; 1072f1f62f2cSDave Airlie } 1073f1f62f2cSDave Airlie 1074f1f62f2cSDave Airlie return flags; 1075312fec14SDave Airlie } 1076312fec14SDave Airlie 1077312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 1078312fec14SDave Airlie { 1079312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 1080312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 1081312fec14SDave Airlie drm_connector_cleanup(connector); 1082312fec14SDave Airlie kfree(connector); 1083312fec14SDave Airlie } 1084312fec14SDave Airlie 1085312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 1086312fec14SDave Airlie .get_modes = ast_get_modes, 10874961eb60SThomas Zimmermann .mode_valid = ast_mode_valid, 1088312fec14SDave Airlie }; 1089312fec14SDave Airlie 1090312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 10914961eb60SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 1092312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 1093312fec14SDave Airlie .destroy = ast_connector_destroy, 10944961eb60SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 10954961eb60SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1096312fec14SDave Airlie }; 1097312fec14SDave Airlie 10987f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 1099312fec14SDave Airlie { 1100312fec14SDave Airlie struct ast_connector *ast_connector; 1101312fec14SDave Airlie struct drm_connector *connector; 1102312fec14SDave Airlie struct drm_encoder *encoder; 1103312fec14SDave Airlie 1104312fec14SDave Airlie ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); 1105312fec14SDave Airlie if (!ast_connector) 1106312fec14SDave Airlie return -ENOMEM; 1107312fec14SDave Airlie 1108312fec14SDave Airlie connector = &ast_connector->base; 1109350fd554SAndrzej Pietrasiewicz ast_connector->i2c = ast_i2c_create(dev); 1110350fd554SAndrzej Pietrasiewicz if (!ast_connector->i2c) 11111a19b4cbSThomas Zimmermann drm_err(dev, "failed to add ddc bus for connector\n"); 1112350fd554SAndrzej Pietrasiewicz 1113350fd554SAndrzej Pietrasiewicz drm_connector_init_with_ddc(dev, connector, 1114350fd554SAndrzej Pietrasiewicz &ast_connector_funcs, 1115350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 1116350fd554SAndrzej Pietrasiewicz &ast_connector->i2c->adapter); 1117312fec14SDave Airlie 1118312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 1119312fec14SDave Airlie 1120312fec14SDave Airlie connector->interlace_allowed = 0; 1121312fec14SDave Airlie connector->doublescan_allowed = 0; 1122312fec14SDave Airlie 1123312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1124312fec14SDave Airlie 1125312fec14SDave Airlie encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); 1126cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 1127312fec14SDave Airlie 1128312fec14SDave Airlie return 0; 1129312fec14SDave Airlie } 1130312fec14SDave Airlie 1131312fec14SDave Airlie /* allocate cursor cache and pin at start of VRAM */ 11327f5ccd44SRashika static int ast_cursor_init(struct drm_device *dev) 1133312fec14SDave Airlie { 1134fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 11350090ef3eSThomas Zimmermann size_t size, i; 11365b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 11370090ef3eSThomas Zimmermann int ret; 1138312fec14SDave Airlie 11390090ef3eSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 1140312fec14SDave Airlie 11410090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 1142a4d46a8eSThomas Zimmermann gbo = drm_gem_vram_create(dev, size, 0); 11430090ef3eSThomas Zimmermann if (IS_ERR(gbo)) { 11440090ef3eSThomas Zimmermann ret = PTR_ERR(gbo); 11450090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 11460090ef3eSThomas Zimmermann } 11470090ef3eSThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | 11480090ef3eSThomas Zimmermann DRM_GEM_VRAM_PL_FLAG_TOPDOWN); 11490090ef3eSThomas Zimmermann if (ret) { 11500090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11510090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 11525b370979SThomas Zimmermann } 1153312fec14SDave Airlie 11540090ef3eSThomas Zimmermann ast->cursor.gbo[i] = gbo; 11553f87330eSThomas Zimmermann } 1156312fec14SDave Airlie 1157312fec14SDave Airlie return 0; 11580090ef3eSThomas Zimmermann 11590090ef3eSThomas Zimmermann err_drm_gem_vram_put: 11600090ef3eSThomas Zimmermann while (i) { 11610090ef3eSThomas Zimmermann --i; 11620090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 11630090ef3eSThomas Zimmermann drm_gem_vram_unpin(gbo); 11640090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11650090ef3eSThomas Zimmermann ast->cursor.gbo[i] = NULL; 11660090ef3eSThomas Zimmermann } 1167312fec14SDave Airlie return ret; 1168312fec14SDave Airlie } 1169312fec14SDave Airlie 11707f5ccd44SRashika static void ast_cursor_fini(struct drm_device *dev) 1171312fec14SDave Airlie { 1172fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 11730090ef3eSThomas Zimmermann size_t i; 11740090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 11750090ef3eSThomas Zimmermann 11760090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 11770090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 11784d7553c3SThomas Zimmermann drm_gem_vram_unpin(gbo); 11790090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11800090ef3eSThomas Zimmermann } 1181312fec14SDave Airlie } 1182312fec14SDave Airlie 1183312fec14SDave Airlie int ast_mode_init(struct drm_device *dev) 1184312fec14SDave Airlie { 1185fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(dev); 1186a6ff807bSThomas Zimmermann int ret; 1187a6ff807bSThomas Zimmermann 1188a6ff807bSThomas Zimmermann memset(&ast->primary_plane, 0, sizeof(ast->primary_plane)); 1189a6ff807bSThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01, 1190a6ff807bSThomas Zimmermann &ast_primary_plane_funcs, 1191a6ff807bSThomas Zimmermann ast_primary_plane_formats, 1192a6ff807bSThomas Zimmermann ARRAY_SIZE(ast_primary_plane_formats), 1193a6ff807bSThomas Zimmermann NULL, DRM_PLANE_TYPE_PRIMARY, NULL); 1194a6ff807bSThomas Zimmermann if (ret) { 11951a19b4cbSThomas Zimmermann drm_err(dev, "ast: drm_universal_plane_init() failed: %d\n", ret); 1196a6ff807bSThomas Zimmermann return ret; 1197a6ff807bSThomas Zimmermann } 1198a6ff807bSThomas Zimmermann drm_plane_helper_add(&ast->primary_plane, 1199a6ff807bSThomas Zimmermann &ast_primary_plane_helper_funcs); 1200a6ff807bSThomas Zimmermann 120102f3bb75SThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->cursor_plane, 0x01, 120202f3bb75SThomas Zimmermann &ast_cursor_plane_funcs, 120302f3bb75SThomas Zimmermann ast_cursor_plane_formats, 120402f3bb75SThomas Zimmermann ARRAY_SIZE(ast_cursor_plane_formats), 120502f3bb75SThomas Zimmermann NULL, DRM_PLANE_TYPE_CURSOR, NULL); 120602f3bb75SThomas Zimmermann if (ret) { 12071a19b4cbSThomas Zimmermann drm_err(dev, "drm_universal_plane_failed(): %d\n", ret); 120802f3bb75SThomas Zimmermann return ret; 120902f3bb75SThomas Zimmermann } 121002f3bb75SThomas Zimmermann drm_plane_helper_add(&ast->cursor_plane, 121102f3bb75SThomas Zimmermann &ast_cursor_plane_helper_funcs); 121202f3bb75SThomas Zimmermann 1213312fec14SDave Airlie ast_cursor_init(dev); 1214312fec14SDave Airlie ast_crtc_init(dev); 1215312fec14SDave Airlie ast_encoder_init(dev); 1216312fec14SDave Airlie ast_connector_init(dev); 1217a6ff807bSThomas Zimmermann 1218312fec14SDave Airlie return 0; 1219312fec14SDave Airlie } 1220312fec14SDave Airlie 1221312fec14SDave Airlie void ast_mode_fini(struct drm_device *dev) 1222312fec14SDave Airlie { 1223312fec14SDave Airlie ast_cursor_fini(dev); 1224312fec14SDave Airlie } 1225312fec14SDave Airlie 1226312fec14SDave Airlie static int get_clock(void *i2c_priv) 1227312fec14SDave Airlie { 1228312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1229fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 123030062562SY.C. Chen uint32_t val, val2, count, pass; 1231312fec14SDave Airlie 123230062562SY.C. Chen count = 0; 123330062562SY.C. Chen pass = 0; 123430062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 123530062562SY.C. Chen do { 123630062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 123730062562SY.C. Chen if (val == val2) { 123830062562SY.C. Chen pass++; 123930062562SY.C. Chen } else { 124030062562SY.C. Chen pass = 0; 124130062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 124230062562SY.C. Chen } 124330062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 124430062562SY.C. Chen 1245312fec14SDave Airlie return val & 1 ? 1 : 0; 1246312fec14SDave Airlie } 1247312fec14SDave Airlie 1248312fec14SDave Airlie static int get_data(void *i2c_priv) 1249312fec14SDave Airlie { 1250312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1251fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 125230062562SY.C. Chen uint32_t val, val2, count, pass; 1253312fec14SDave Airlie 125430062562SY.C. Chen count = 0; 125530062562SY.C. Chen pass = 0; 125630062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 125730062562SY.C. Chen do { 125830062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 125930062562SY.C. Chen if (val == val2) { 126030062562SY.C. Chen pass++; 126130062562SY.C. Chen } else { 126230062562SY.C. Chen pass = 0; 126330062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 126430062562SY.C. Chen } 126530062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 126630062562SY.C. Chen 1267312fec14SDave Airlie return val & 1 ? 1 : 0; 1268312fec14SDave Airlie } 1269312fec14SDave Airlie 1270312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 1271312fec14SDave Airlie { 1272312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1273fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 1274312fec14SDave Airlie int i; 1275312fec14SDave Airlie u8 ujcrb7, jtemp; 1276312fec14SDave Airlie 1277312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1278312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 127930062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1280312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1281312fec14SDave Airlie if (ujcrb7 == jtemp) 1282312fec14SDave Airlie break; 1283312fec14SDave Airlie } 1284312fec14SDave Airlie } 1285312fec14SDave Airlie 1286312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1287312fec14SDave Airlie { 1288312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1289fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(i2c->dev); 1290312fec14SDave Airlie int i; 1291312fec14SDave Airlie u8 ujcrb7, jtemp; 1292312fec14SDave Airlie 1293312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1294312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 129530062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1296312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1297312fec14SDave Airlie if (ujcrb7 == jtemp) 1298312fec14SDave Airlie break; 1299312fec14SDave Airlie } 1300312fec14SDave Airlie } 1301312fec14SDave Airlie 1302312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1303312fec14SDave Airlie { 1304312fec14SDave Airlie struct ast_i2c_chan *i2c; 1305312fec14SDave Airlie int ret; 1306312fec14SDave Airlie 1307312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1308312fec14SDave Airlie if (!i2c) 1309312fec14SDave Airlie return NULL; 1310312fec14SDave Airlie 1311312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1312312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1313312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1314312fec14SDave Airlie i2c->dev = dev; 1315312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1316312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1317312fec14SDave Airlie "AST i2c bit bus"); 1318312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1319312fec14SDave Airlie 1320312fec14SDave Airlie i2c->bit.udelay = 20; 1321312fec14SDave Airlie i2c->bit.timeout = 2; 1322312fec14SDave Airlie i2c->bit.data = i2c; 1323312fec14SDave Airlie i2c->bit.setsda = set_data; 1324312fec14SDave Airlie i2c->bit.setscl = set_clock; 1325312fec14SDave Airlie i2c->bit.getsda = get_data; 1326312fec14SDave Airlie i2c->bit.getscl = get_clock; 1327312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1328312fec14SDave Airlie if (ret) { 13291a19b4cbSThomas Zimmermann drm_err(dev, "Failed to register bit i2c\n"); 1330312fec14SDave Airlie goto out_free; 1331312fec14SDave Airlie } 1332312fec14SDave Airlie 1333312fec14SDave Airlie return i2c; 1334312fec14SDave Airlie out_free: 1335312fec14SDave Airlie kfree(i2c); 1336312fec14SDave Airlie return NULL; 1337312fec14SDave Airlie } 1338312fec14SDave Airlie 1339312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1340312fec14SDave Airlie { 1341312fec14SDave Airlie if (!i2c) 1342312fec14SDave Airlie return; 1343312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1344312fec14SDave Airlie kfree(i2c); 1345312fec14SDave Airlie } 1346312fec14SDave Airlie 1347312fec14SDave Airlie static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) 1348312fec14SDave Airlie { 1349312fec14SDave Airlie union { 1350312fec14SDave Airlie u32 ul; 1351312fec14SDave Airlie u8 b[4]; 1352312fec14SDave Airlie } srcdata32[2], data32; 1353312fec14SDave Airlie union { 1354312fec14SDave Airlie u16 us; 1355312fec14SDave Airlie u8 b[2]; 1356312fec14SDave Airlie } data16; 1357312fec14SDave Airlie u32 csum = 0; 1358312fec14SDave Airlie s32 alpha_dst_delta, last_alpha_dst_delta; 1359312fec14SDave Airlie u8 *srcxor, *dstxor; 1360312fec14SDave Airlie int i, j; 1361312fec14SDave Airlie u32 per_pixel_copy, two_pixel_copy; 1362312fec14SDave Airlie 1363312fec14SDave Airlie alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 1364312fec14SDave Airlie last_alpha_dst_delta = alpha_dst_delta - (width << 1); 1365312fec14SDave Airlie 1366312fec14SDave Airlie srcxor = src; 1367312fec14SDave Airlie dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 1368312fec14SDave Airlie per_pixel_copy = width & 1; 1369312fec14SDave Airlie two_pixel_copy = width >> 1; 1370312fec14SDave Airlie 1371312fec14SDave Airlie for (j = 0; j < height; j++) { 1372312fec14SDave Airlie for (i = 0; i < two_pixel_copy; i++) { 1373312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1374312fec14SDave Airlie srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 1375312fec14SDave Airlie data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1376312fec14SDave Airlie data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 13771e99cfa8SBenjamin Herrenschmidt data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 13781e99cfa8SBenjamin Herrenschmidt data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 1379312fec14SDave Airlie 1380312fec14SDave Airlie writel(data32.ul, dstxor); 1381312fec14SDave Airlie csum += data32.ul; 1382312fec14SDave Airlie 1383312fec14SDave Airlie dstxor += 4; 1384312fec14SDave Airlie srcxor += 8; 1385312fec14SDave Airlie 1386312fec14SDave Airlie } 1387312fec14SDave Airlie 1388312fec14SDave Airlie for (i = 0; i < per_pixel_copy; i++) { 1389312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1390312fec14SDave Airlie data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1391312fec14SDave Airlie data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 1392312fec14SDave Airlie writew(data16.us, dstxor); 1393312fec14SDave Airlie csum += (u32)data16.us; 1394312fec14SDave Airlie 1395312fec14SDave Airlie dstxor += 2; 1396312fec14SDave Airlie srcxor += 4; 1397312fec14SDave Airlie } 1398312fec14SDave Airlie dstxor += last_alpha_dst_delta; 1399312fec14SDave Airlie } 1400312fec14SDave Airlie return csum; 1401312fec14SDave Airlie } 1402312fec14SDave Airlie 14032f5989fcSThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 14042f5989fcSThomas Zimmermann unsigned int height) 14052f5989fcSThomas Zimmermann { 14062f5989fcSThomas Zimmermann u32 csum; 14072f5989fcSThomas Zimmermann 14082f5989fcSThomas Zimmermann /* do data transfer to cursor cache */ 14092f5989fcSThomas Zimmermann csum = copy_cursor_image(src, dst, width, height); 14102f5989fcSThomas Zimmermann 14112f5989fcSThomas Zimmermann /* write checksum + signature */ 14122f5989fcSThomas Zimmermann dst += AST_HWC_SIZE; 14132f5989fcSThomas Zimmermann writel(csum, dst); 14142f5989fcSThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 14152f5989fcSThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 14162f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 14172f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 14182f5989fcSThomas Zimmermann 14192f5989fcSThomas Zimmermann return 0; 14202f5989fcSThomas Zimmermann } 14212f5989fcSThomas Zimmermann 14222f5989fcSThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address) 14232f5989fcSThomas Zimmermann { 14242f5989fcSThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 14252f5989fcSThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 14262f5989fcSThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 14272f5989fcSThomas Zimmermann 14282f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 14292f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 14302f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 14312f5989fcSThomas Zimmermann } 14322f5989fcSThomas Zimmermann 1433312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 1434312fec14SDave Airlie int x, int y) 1435312fec14SDave Airlie { 1436312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1437fa7dbd76SThomas Zimmermann struct ast_private *ast = to_ast_private(crtc->dev); 14380090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 1439312fec14SDave Airlie int x_offset, y_offset; 14400090ef3eSThomas Zimmermann u8 *dst, *sig; 144196a49f39SThomas Zimmermann u8 jreg; 1442312fec14SDave Airlie 14430090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 14440090ef3eSThomas Zimmermann dst = drm_gem_vram_vmap(gbo); 14450090ef3eSThomas Zimmermann if (IS_ERR(dst)) 14460090ef3eSThomas Zimmermann return PTR_ERR(dst); 14470090ef3eSThomas Zimmermann 14480090ef3eSThomas Zimmermann sig = dst + AST_HWC_SIZE; 1449312fec14SDave Airlie writel(x, sig + AST_HWC_SIGNATURE_X); 1450312fec14SDave Airlie writel(y, sig + AST_HWC_SIGNATURE_Y); 1451312fec14SDave Airlie 1452312fec14SDave Airlie x_offset = ast_crtc->offset_x; 1453312fec14SDave Airlie y_offset = ast_crtc->offset_y; 1454312fec14SDave Airlie if (x < 0) { 1455312fec14SDave Airlie x_offset = (-x) + ast_crtc->offset_x; 1456312fec14SDave Airlie x = 0; 1457312fec14SDave Airlie } 1458312fec14SDave Airlie 1459312fec14SDave Airlie if (y < 0) { 1460312fec14SDave Airlie y_offset = (-y) + ast_crtc->offset_y; 1461312fec14SDave Airlie y = 0; 1462312fec14SDave Airlie } 1463312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 1464312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 1465312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); 1466312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); 1467312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); 1468312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); 1469312fec14SDave Airlie 1470312fec14SDave Airlie /* dummy write to fire HWC */ 147196a49f39SThomas Zimmermann jreg = 0x02 | 147296a49f39SThomas Zimmermann 0x01; /* enable ARGB4444 cursor */ 147396a49f39SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 1474312fec14SDave Airlie 14750090ef3eSThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 14760090ef3eSThomas Zimmermann 1477312fec14SDave Airlie return 0; 1478312fec14SDave Airlie } 1479