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> 43312fec14SDave Airlie 44fbbbd160SSam Ravnborg #include "ast_drv.h" 45312fec14SDave Airlie #include "ast_tables.h" 46312fec14SDave Airlie 47312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 48312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c); 49312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 50312fec14SDave Airlie int x, int y); 51312fec14SDave Airlie 52a6ff807bSThomas Zimmermann 5302f3bb75SThomas Zimmermann static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height); 5402f3bb75SThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 5502f3bb75SThomas Zimmermann unsigned int height); 5602f3bb75SThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address); 5702f3bb75SThomas Zimmermann static int ast_cursor_move(struct drm_crtc *crtc, 5802f3bb75SThomas Zimmermann int x, int y); 5902f3bb75SThomas Zimmermann 60312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 61312fec14SDave Airlie u8 index, u8 red, u8 green, 62312fec14SDave Airlie u8 blue) 63312fec14SDave Airlie { 64312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 65312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 66312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 67312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 68312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 69312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 70312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 71312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 72312fec14SDave Airlie } 73312fec14SDave Airlie 74ae37025dSThomas Zimmermann static void ast_crtc_load_lut(struct ast_private *ast, struct drm_crtc *crtc) 75312fec14SDave Airlie { 763bffd962SPeter Rosin u16 *r, *g, *b; 77312fec14SDave Airlie int i; 78312fec14SDave Airlie 79312fec14SDave Airlie if (!crtc->enabled) 80312fec14SDave Airlie return; 81312fec14SDave Airlie 823bffd962SPeter Rosin r = crtc->gamma_store; 833bffd962SPeter Rosin g = r + crtc->gamma_size; 843bffd962SPeter Rosin b = g + crtc->gamma_size; 853bffd962SPeter Rosin 86312fec14SDave Airlie for (i = 0; i < 256; i++) 873bffd962SPeter Rosin ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); 88312fec14SDave Airlie } 89312fec14SDave Airlie 90ae37025dSThomas Zimmermann static bool ast_get_vbios_mode_info(const struct drm_format_info *format, 91259d14a7SThomas Zimmermann const struct drm_display_mode *mode, 92312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 93312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 94312fec14SDave Airlie { 95259d14a7SThomas Zimmermann u32 refresh_rate_index = 0, refresh_rate; 9622acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 97312fec14SDave Airlie u32 hborder, vborder; 9894d12b13SY.C. Chen bool check_sync; 99312fec14SDave Airlie 100ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 101312fec14SDave Airlie case 8: 102312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 103312fec14SDave Airlie break; 104312fec14SDave Airlie case 16: 105312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 106312fec14SDave Airlie break; 107312fec14SDave Airlie case 24: 108312fec14SDave Airlie case 32: 109312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 110312fec14SDave Airlie break; 111312fec14SDave Airlie default: 112312fec14SDave Airlie return false; 113312fec14SDave Airlie } 114312fec14SDave Airlie 115259d14a7SThomas Zimmermann switch (mode->crtc_hdisplay) { 116312fec14SDave Airlie case 640: 117312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 118312fec14SDave Airlie break; 119312fec14SDave Airlie case 800: 120312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 121312fec14SDave Airlie break; 122312fec14SDave Airlie case 1024: 123312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 124312fec14SDave Airlie break; 125312fec14SDave Airlie case 1280: 126259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 800) 127312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 128312fec14SDave Airlie else 129312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 130312fec14SDave Airlie break; 131f1f62f2cSDave Airlie case 1360: 132f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 133f1f62f2cSDave Airlie break; 134312fec14SDave Airlie case 1440: 135312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 136312fec14SDave Airlie break; 137312fec14SDave Airlie case 1600: 138259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 900) 139f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 140f1f62f2cSDave Airlie else 141312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 142312fec14SDave Airlie break; 143312fec14SDave Airlie case 1680: 144312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 145312fec14SDave Airlie break; 146312fec14SDave Airlie case 1920: 147259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 1080) 148312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 149312fec14SDave Airlie else 150312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 151312fec14SDave Airlie break; 152312fec14SDave Airlie default: 153312fec14SDave Airlie return false; 154312fec14SDave Airlie } 155312fec14SDave Airlie 156312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 15794d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 158259d14a7SThomas Zimmermann 159259d14a7SThomas Zimmermann while (1) { 16022acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 16194d12b13SY.C. Chen 16294d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 16394d12b13SY.C. Chen if ((check_sync) && 16494d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 16594d12b13SY.C. Chen (loop->flags & PVSync)) || 16694d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 16794d12b13SY.C. Chen (loop->flags & NVSync)) || 16894d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 16994d12b13SY.C. Chen (loop->flags & PHSync)) || 17094d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 17194d12b13SY.C. Chen (loop->flags & NHSync)))) { 17294d12b13SY.C. Chen loop++; 17394d12b13SY.C. Chen continue; 17494d12b13SY.C. Chen } 17594d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 17694d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 17794d12b13SY.C. Chen best = loop; 17894d12b13SY.C. Chen loop++; 17994d12b13SY.C. Chen } 18094d12b13SY.C. Chen if (best || !check_sync) 181312fec14SDave Airlie break; 18294d12b13SY.C. Chen check_sync = 0; 183259d14a7SThomas Zimmermann } 184259d14a7SThomas Zimmermann 18594d12b13SY.C. Chen if (best) 18694d12b13SY.C. Chen vbios_mode->enh_table = best; 187312fec14SDave Airlie 188312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 189312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 190312fec14SDave Airlie 191312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 192312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 193312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 194312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 195312fec14SDave Airlie vbios_mode->enh_table->hfp; 196312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 197312fec14SDave Airlie vbios_mode->enh_table->hfp + 198312fec14SDave Airlie vbios_mode->enh_table->hsync); 199312fec14SDave Airlie 200312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 201312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 202312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 203312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 204312fec14SDave Airlie vbios_mode->enh_table->vfp; 205312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 206312fec14SDave Airlie vbios_mode->enh_table->vfp + 207312fec14SDave Airlie vbios_mode->enh_table->vsync); 208312fec14SDave Airlie 209259d14a7SThomas Zimmermann return true; 210259d14a7SThomas Zimmermann } 211259d14a7SThomas Zimmermann 212ae37025dSThomas Zimmermann static void ast_set_vbios_color_reg(struct ast_private *ast, 213ae37025dSThomas Zimmermann const struct drm_format_info *format, 214259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 215259d14a7SThomas Zimmermann { 216259d14a7SThomas Zimmermann u32 color_index; 217259d14a7SThomas Zimmermann 218ae37025dSThomas Zimmermann switch (format->cpp[0]) { 219259d14a7SThomas Zimmermann case 1: 220259d14a7SThomas Zimmermann color_index = VGAModeIndex - 1; 221259d14a7SThomas Zimmermann break; 222259d14a7SThomas Zimmermann case 2: 223259d14a7SThomas Zimmermann color_index = HiCModeIndex; 224259d14a7SThomas Zimmermann break; 225259d14a7SThomas Zimmermann case 3: 226259d14a7SThomas Zimmermann case 4: 227259d14a7SThomas Zimmermann color_index = TrueCModeIndex; 228259d14a7SThomas Zimmermann default: 229259d14a7SThomas Zimmermann return; 230259d14a7SThomas Zimmermann } 231259d14a7SThomas Zimmermann 232259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); 233259d14a7SThomas Zimmermann 234259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 235259d14a7SThomas Zimmermann 236259d14a7SThomas Zimmermann if (vbios_mode->enh_table->flags & NewModeInfo) { 237259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 238ae37025dSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8); 239259d14a7SThomas Zimmermann } 240259d14a7SThomas Zimmermann } 241259d14a7SThomas Zimmermann 242ae37025dSThomas Zimmermann static void ast_set_vbios_mode_reg(struct ast_private *ast, 243259d14a7SThomas Zimmermann const struct drm_display_mode *adjusted_mode, 244259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 245259d14a7SThomas Zimmermann { 246259d14a7SThomas Zimmermann u32 refresh_rate_index, mode_id; 247259d14a7SThomas Zimmermann 248312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 249312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 250312fec14SDave Airlie 251312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 252312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 253312fec14SDave Airlie 254f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 255259d14a7SThomas Zimmermann 256f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 257312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 258312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 259312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 260312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 261312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 262312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 263312fec14SDave Airlie } 264f1f62f2cSDave Airlie } 265312fec14SDave Airlie 266ae37025dSThomas Zimmermann static void ast_set_std_reg(struct ast_private *ast, 267ae37025dSThomas Zimmermann struct drm_display_mode *mode, 268312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 269312fec14SDave Airlie { 27022acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 271312fec14SDave Airlie u32 i; 272312fec14SDave Airlie u8 jreg; 273312fec14SDave Airlie 274312fec14SDave Airlie stdtable = vbios_mode->std_table; 275312fec14SDave Airlie 276312fec14SDave Airlie jreg = stdtable->misc; 277312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 278312fec14SDave Airlie 2792fbeec03SThomas Zimmermann /* Set SEQ; except Screen Disable field */ 280312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 2812fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]); 2822fbeec03SThomas Zimmermann for (i = 1; i < 4; i++) { 283312fec14SDave Airlie jreg = stdtable->seq[i]; 284312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 285312fec14SDave Airlie } 286312fec14SDave Airlie 287a21fdd7aSThomas Zimmermann /* Set CRTC; except base address and offset */ 288312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 289a21fdd7aSThomas Zimmermann for (i = 0; i < 12; i++) 290a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 291a21fdd7aSThomas Zimmermann for (i = 14; i < 19; i++) 292a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 293a21fdd7aSThomas Zimmermann for (i = 20; i < 25; i++) 294312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 295312fec14SDave Airlie 296312fec14SDave Airlie /* set AR */ 297312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 298312fec14SDave Airlie for (i = 0; i < 20; i++) { 299312fec14SDave Airlie jreg = stdtable->ar[i]; 300312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 301312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 302312fec14SDave Airlie } 303312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 304312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 305312fec14SDave Airlie 306312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 307312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 308312fec14SDave Airlie 309312fec14SDave Airlie /* Set GR */ 310312fec14SDave Airlie for (i = 0; i < 9; i++) 311312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 312312fec14SDave Airlie } 313312fec14SDave Airlie 314ae37025dSThomas Zimmermann static void ast_set_crtc_reg(struct ast_private *ast, 315ae37025dSThomas Zimmermann struct drm_display_mode *mode, 316312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 317312fec14SDave Airlie { 318312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 3199f93c8b3SY.C. Chen u16 temp, precache = 0; 3209f93c8b3SY.C. Chen 3219f93c8b3SY.C. Chen if ((ast->chip == AST2500) && 3229f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 3239f93c8b3SY.C. Chen precache = 40; 324312fec14SDave Airlie 325312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 326312fec14SDave Airlie 327312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 328312fec14SDave Airlie if (temp & 0x100) 329312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 330312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 331312fec14SDave Airlie 332312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 333312fec14SDave Airlie if (temp & 0x100) 334312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 335312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 336312fec14SDave Airlie 337312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 338312fec14SDave Airlie if (temp & 0x100) 339312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 340312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 341312fec14SDave Airlie 342312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 343312fec14SDave Airlie if (temp & 0x20) 344312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 345312fec14SDave Airlie if (temp & 0x40) 346312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 347312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 348312fec14SDave Airlie 3499f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 350312fec14SDave Airlie if (temp & 0x100) 351312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 352312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 353312fec14SDave Airlie 3549f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 355312fec14SDave Airlie if (temp & 0x20) 356312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 357312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 358312fec14SDave Airlie 359312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 360312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 361312fec14SDave Airlie 362312fec14SDave Airlie /* vert timings */ 363312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 364312fec14SDave Airlie if (temp & 0x100) 365312fec14SDave Airlie jreg07 |= 0x01; 366312fec14SDave Airlie if (temp & 0x200) 367312fec14SDave Airlie jreg07 |= 0x20; 368312fec14SDave Airlie if (temp & 0x400) 369312fec14SDave Airlie jregAE |= 0x01; 370312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 371312fec14SDave Airlie 372312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 373312fec14SDave Airlie if (temp & 0x100) 374312fec14SDave Airlie jreg07 |= 0x04; 375312fec14SDave Airlie if (temp & 0x200) 376312fec14SDave Airlie jreg07 |= 0x80; 377312fec14SDave Airlie if (temp & 0x400) 378312fec14SDave Airlie jregAE |= 0x08; 379312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 380312fec14SDave Airlie 381312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 382312fec14SDave Airlie if (temp & 0x10) 383312fec14SDave Airlie jregAE |= 0x20; 384312fec14SDave Airlie if (temp & 0x20) 385312fec14SDave Airlie jregAE |= 0x40; 386312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 387312fec14SDave Airlie 388312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 389312fec14SDave Airlie if (temp & 0x100) 390312fec14SDave Airlie jreg07 |= 0x02; 391312fec14SDave Airlie if (temp & 0x200) 392312fec14SDave Airlie jreg07 |= 0x40; 393312fec14SDave Airlie if (temp & 0x400) 394312fec14SDave Airlie jregAE |= 0x02; 395312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 396312fec14SDave Airlie 397312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 398312fec14SDave Airlie if (temp & 0x100) 399312fec14SDave Airlie jreg07 |= 0x08; 400312fec14SDave Airlie if (temp & 0x200) 401312fec14SDave Airlie jreg09 |= 0x20; 402312fec14SDave Airlie if (temp & 0x400) 403312fec14SDave Airlie jregAE |= 0x04; 404312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 405312fec14SDave Airlie 406312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 407312fec14SDave Airlie if (temp & 0x100) 408312fec14SDave Airlie jregAE |= 0x10; 409312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 410312fec14SDave Airlie 411312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 412312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 413312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 414312fec14SDave Airlie 4159f93c8b3SY.C. Chen if (precache) 4169f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 4179f93c8b3SY.C. Chen else 4189f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 4199f93c8b3SY.C. Chen 420312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 421312fec14SDave Airlie } 422312fec14SDave Airlie 423ae37025dSThomas Zimmermann static void ast_set_offset_reg(struct ast_private *ast, 424ae37025dSThomas Zimmermann struct drm_framebuffer *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 433ae37025dSThomas Zimmermann static void ast_set_dclk_reg(struct ast_private *ast, 434ae37025dSThomas Zimmermann struct drm_display_mode *mode, 435312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 436312fec14SDave Airlie { 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 451ae37025dSThomas Zimmermann static void ast_set_color_reg(struct ast_private *ast, 452ae37025dSThomas Zimmermann const struct drm_format_info *format) 453312fec14SDave Airlie { 454312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 455312fec14SDave Airlie 456ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 457312fec14SDave Airlie case 8: 458312fec14SDave Airlie jregA0 = 0x70; 459312fec14SDave Airlie jregA3 = 0x01; 460312fec14SDave Airlie jregA8 = 0x00; 461312fec14SDave Airlie break; 462312fec14SDave Airlie case 15: 463312fec14SDave Airlie case 16: 464312fec14SDave Airlie jregA0 = 0x70; 465312fec14SDave Airlie jregA3 = 0x04; 466312fec14SDave Airlie jregA8 = 0x02; 467312fec14SDave Airlie break; 468312fec14SDave Airlie case 32: 469312fec14SDave Airlie jregA0 = 0x70; 470312fec14SDave Airlie jregA3 = 0x08; 471312fec14SDave Airlie jregA8 = 0x02; 472312fec14SDave Airlie break; 473312fec14SDave Airlie } 474312fec14SDave Airlie 475312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 476312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 477312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 4780d45ad98SThomas Zimmermann } 4790d45ad98SThomas Zimmermann 480ae37025dSThomas Zimmermann static void ast_set_crtthd_reg(struct ast_private *ast) 4810d45ad98SThomas Zimmermann { 482312fec14SDave Airlie /* Set Threshold */ 4839f93c8b3SY.C. Chen if (ast->chip == AST2300 || ast->chip == AST2400 || 4849f93c8b3SY.C. Chen ast->chip == AST2500) { 485312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 486312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 487312fec14SDave Airlie } else if (ast->chip == AST2100 || 488312fec14SDave Airlie ast->chip == AST1100 || 489312fec14SDave Airlie ast->chip == AST2200 || 490312fec14SDave Airlie ast->chip == AST2150) { 491312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 492312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 493312fec14SDave Airlie } else { 494312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 495312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 496312fec14SDave Airlie } 497312fec14SDave Airlie } 498312fec14SDave Airlie 499ae37025dSThomas Zimmermann static void ast_set_sync_reg(struct ast_private *ast, 500ae37025dSThomas Zimmermann struct drm_display_mode *mode, 501312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 502312fec14SDave Airlie { 503312fec14SDave Airlie u8 jreg; 504312fec14SDave Airlie 505312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 50694d12b13SY.C. Chen jreg &= ~0xC0; 50794d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 50894d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 509312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 510312fec14SDave Airlie } 511312fec14SDave Airlie 512ae37025dSThomas Zimmermann static void ast_set_start_address_crt1(struct ast_private *ast, 513ae37025dSThomas Zimmermann unsigned offset) 514312fec14SDave Airlie { 515312fec14SDave Airlie u32 addr; 516312fec14SDave Airlie 517312fec14SDave Airlie addr = offset >> 2; 518312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 519312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 520312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 521312fec14SDave Airlie 522312fec14SDave Airlie } 523312fec14SDave Airlie 524a6ff807bSThomas Zimmermann /* 525a6ff807bSThomas Zimmermann * Primary plane 526a6ff807bSThomas Zimmermann */ 527a6ff807bSThomas Zimmermann 528a6ff807bSThomas Zimmermann static const uint32_t ast_primary_plane_formats[] = { 529a6ff807bSThomas Zimmermann DRM_FORMAT_XRGB8888, 530a6ff807bSThomas Zimmermann DRM_FORMAT_RGB565, 531a6ff807bSThomas Zimmermann DRM_FORMAT_C8, 532a6ff807bSThomas Zimmermann }; 533a6ff807bSThomas Zimmermann 534ae46a57dSThomas Zimmermann static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, 535a6ff807bSThomas Zimmermann struct drm_plane_state *state) 536a6ff807bSThomas Zimmermann { 537ae46a57dSThomas Zimmermann struct drm_crtc_state *crtc_state; 5383339fdf5SThomas Zimmermann struct ast_crtc_state *ast_crtc_state; 539ae46a57dSThomas Zimmermann int ret; 540ae46a57dSThomas Zimmermann 541ae46a57dSThomas Zimmermann if (!state->crtc) 542ae46a57dSThomas Zimmermann return 0; 543ae46a57dSThomas Zimmermann 544ae46a57dSThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); 545ae46a57dSThomas Zimmermann 546ae46a57dSThomas Zimmermann ret = drm_atomic_helper_check_plane_state(state, crtc_state, 547ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 548ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 549ae46a57dSThomas Zimmermann false, true); 550ae46a57dSThomas Zimmermann if (ret) 551ae46a57dSThomas Zimmermann return ret; 552ae46a57dSThomas Zimmermann 5533339fdf5SThomas Zimmermann if (!state->visible) 5543339fdf5SThomas Zimmermann return 0; 5553339fdf5SThomas Zimmermann 5563339fdf5SThomas Zimmermann ast_crtc_state = to_ast_crtc_state(crtc_state); 5573339fdf5SThomas Zimmermann 5583339fdf5SThomas Zimmermann ast_crtc_state->format = state->fb->format; 5593339fdf5SThomas Zimmermann 560a6ff807bSThomas Zimmermann return 0; 561a6ff807bSThomas Zimmermann } 562a6ff807bSThomas Zimmermann 563a6ff807bSThomas Zimmermann void ast_primary_plane_helper_atomic_update(struct drm_plane *plane, 564a6ff807bSThomas Zimmermann struct drm_plane_state *old_state) 565a6ff807bSThomas Zimmermann { 5662fbeec03SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 567a6ff807bSThomas Zimmermann struct drm_plane_state *state = plane->state; 568a6ff807bSThomas Zimmermann struct drm_gem_vram_object *gbo; 569a6ff807bSThomas Zimmermann s64 gpu_addr; 570a6ff807bSThomas Zimmermann 571a6ff807bSThomas Zimmermann gbo = drm_gem_vram_of_gem(state->fb->obj[0]); 572a6ff807bSThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 573a6ff807bSThomas Zimmermann if (WARN_ON_ONCE(gpu_addr < 0)) 574a6ff807bSThomas Zimmermann return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ 575a6ff807bSThomas Zimmermann 576ae37025dSThomas Zimmermann ast_set_offset_reg(ast, state->fb); 577ae37025dSThomas Zimmermann ast_set_start_address_crt1(ast, (u32)gpu_addr); 5782fbeec03SThomas Zimmermann 5792fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); 5802fbeec03SThomas Zimmermann } 5812fbeec03SThomas Zimmermann 5822fbeec03SThomas Zimmermann static void 5832fbeec03SThomas Zimmermann ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, 5842fbeec03SThomas Zimmermann struct drm_plane_state *old_state) 5852fbeec03SThomas Zimmermann { 5862fbeec03SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 5872fbeec03SThomas Zimmermann 5882fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 589a6ff807bSThomas Zimmermann } 590a6ff807bSThomas Zimmermann 591a6ff807bSThomas Zimmermann static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { 592a6ff807bSThomas Zimmermann .prepare_fb = drm_gem_vram_plane_helper_prepare_fb, 593a6ff807bSThomas Zimmermann .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb, 594a6ff807bSThomas Zimmermann .atomic_check = ast_primary_plane_helper_atomic_check, 595a6ff807bSThomas Zimmermann .atomic_update = ast_primary_plane_helper_atomic_update, 5962fbeec03SThomas Zimmermann .atomic_disable = ast_primary_plane_helper_atomic_disable, 597a6ff807bSThomas Zimmermann }; 598a6ff807bSThomas Zimmermann 599a6ff807bSThomas Zimmermann static const struct drm_plane_funcs ast_primary_plane_funcs = { 600a6ff807bSThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 601a6ff807bSThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 602a6ff807bSThomas Zimmermann .destroy = drm_plane_cleanup, 603a6ff807bSThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 604a6ff807bSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 605a6ff807bSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 606a6ff807bSThomas Zimmermann }; 607a6ff807bSThomas Zimmermann 608a6ff807bSThomas Zimmermann /* 60902f3bb75SThomas Zimmermann * Cursor plane 61002f3bb75SThomas Zimmermann */ 61102f3bb75SThomas Zimmermann 61202f3bb75SThomas Zimmermann static const uint32_t ast_cursor_plane_formats[] = { 61302f3bb75SThomas Zimmermann DRM_FORMAT_ARGB8888, 61402f3bb75SThomas Zimmermann }; 61502f3bb75SThomas Zimmermann 61602f3bb75SThomas Zimmermann static int 61702f3bb75SThomas Zimmermann ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane, 61802f3bb75SThomas Zimmermann struct drm_plane_state *new_state) 61902f3bb75SThomas Zimmermann { 62002f3bb75SThomas Zimmermann struct drm_framebuffer *fb = new_state->fb; 62102f3bb75SThomas Zimmermann struct drm_crtc *crtc = new_state->crtc; 62202f3bb75SThomas Zimmermann struct drm_gem_vram_object *gbo; 62302f3bb75SThomas Zimmermann struct ast_private *ast; 62402f3bb75SThomas Zimmermann int ret; 62502f3bb75SThomas Zimmermann void *src, *dst; 62602f3bb75SThomas Zimmermann 62702f3bb75SThomas Zimmermann if (!crtc || !fb) 62802f3bb75SThomas Zimmermann return 0; 62902f3bb75SThomas Zimmermann 630ae46a57dSThomas Zimmermann if (WARN_ON_ONCE(fb->width > AST_MAX_HWC_WIDTH) || 631ae46a57dSThomas Zimmermann WARN_ON_ONCE(fb->height > AST_MAX_HWC_HEIGHT)) 632ae46a57dSThomas Zimmermann return -EINVAL; /* BUG: didn't test in atomic_check() */ 63302f3bb75SThomas Zimmermann 63402f3bb75SThomas Zimmermann ast = crtc->dev->dev_private; 63502f3bb75SThomas Zimmermann 63602f3bb75SThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 63702f3bb75SThomas Zimmermann src = drm_gem_vram_vmap(gbo); 63802f3bb75SThomas Zimmermann if (IS_ERR(src)) { 63902f3bb75SThomas Zimmermann ret = PTR_ERR(src); 64002f3bb75SThomas Zimmermann goto err_drm_gem_vram_unpin; 64102f3bb75SThomas Zimmermann } 64202f3bb75SThomas Zimmermann 64302f3bb75SThomas Zimmermann dst = drm_gem_vram_vmap(ast->cursor.gbo[ast->cursor.next_index]); 64402f3bb75SThomas Zimmermann if (IS_ERR(dst)) { 64502f3bb75SThomas Zimmermann ret = PTR_ERR(dst); 64602f3bb75SThomas Zimmermann goto err_drm_gem_vram_vunmap_src; 64702f3bb75SThomas Zimmermann } 64802f3bb75SThomas Zimmermann 64902f3bb75SThomas Zimmermann ret = ast_cursor_update(dst, src, fb->width, fb->height); 65002f3bb75SThomas Zimmermann if (ret) 65102f3bb75SThomas Zimmermann goto err_drm_gem_vram_vunmap_dst; 65202f3bb75SThomas Zimmermann 65302f3bb75SThomas Zimmermann /* Always unmap buffers here. Destination buffers are 65402f3bb75SThomas Zimmermann * perma-pinned while the driver is active. We're only 65502f3bb75SThomas Zimmermann * changing ref-counters here. 65602f3bb75SThomas Zimmermann */ 65702f3bb75SThomas Zimmermann drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); 65802f3bb75SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 65902f3bb75SThomas Zimmermann 66002f3bb75SThomas Zimmermann return 0; 66102f3bb75SThomas Zimmermann 66202f3bb75SThomas Zimmermann err_drm_gem_vram_vunmap_dst: 66302f3bb75SThomas Zimmermann drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); 66402f3bb75SThomas Zimmermann err_drm_gem_vram_vunmap_src: 66502f3bb75SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 66602f3bb75SThomas Zimmermann err_drm_gem_vram_unpin: 66702f3bb75SThomas Zimmermann drm_gem_vram_unpin(gbo); 66802f3bb75SThomas Zimmermann return ret; 66902f3bb75SThomas Zimmermann } 67002f3bb75SThomas Zimmermann 67102f3bb75SThomas Zimmermann static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, 67202f3bb75SThomas Zimmermann struct drm_plane_state *state) 67302f3bb75SThomas Zimmermann { 674ae46a57dSThomas Zimmermann struct drm_framebuffer *fb = state->fb; 675ae46a57dSThomas Zimmermann struct drm_crtc_state *crtc_state; 676ae46a57dSThomas Zimmermann int ret; 677ae46a57dSThomas Zimmermann 678ae46a57dSThomas Zimmermann if (!state->crtc) 679ae46a57dSThomas Zimmermann return 0; 680ae46a57dSThomas Zimmermann 681ae46a57dSThomas Zimmermann crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc); 682ae46a57dSThomas Zimmermann 683ae46a57dSThomas Zimmermann ret = drm_atomic_helper_check_plane_state(state, crtc_state, 684ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 685ae46a57dSThomas Zimmermann DRM_PLANE_HELPER_NO_SCALING, 686ae46a57dSThomas Zimmermann true, true); 687ae46a57dSThomas Zimmermann if (ret) 688ae46a57dSThomas Zimmermann return ret; 689ae46a57dSThomas Zimmermann 690ae46a57dSThomas Zimmermann if (!state->visible) 691ae46a57dSThomas Zimmermann return 0; 692ae46a57dSThomas Zimmermann 693ae46a57dSThomas Zimmermann if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) 694ae46a57dSThomas Zimmermann return -EINVAL; 695ae46a57dSThomas Zimmermann 69602f3bb75SThomas Zimmermann return 0; 69702f3bb75SThomas Zimmermann } 69802f3bb75SThomas Zimmermann 69902f3bb75SThomas Zimmermann static void 70002f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, 70102f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 70202f3bb75SThomas Zimmermann { 70302f3bb75SThomas Zimmermann struct drm_plane_state *state = plane->state; 70402f3bb75SThomas Zimmermann struct drm_crtc *crtc = state->crtc; 70502f3bb75SThomas Zimmermann struct drm_framebuffer *fb = state->fb; 70602f3bb75SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 70702f3bb75SThomas Zimmermann struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 70802f3bb75SThomas Zimmermann struct drm_gem_vram_object *gbo; 70902f3bb75SThomas Zimmermann s64 off; 71002f3bb75SThomas Zimmermann u8 jreg; 71102f3bb75SThomas Zimmermann 71202f3bb75SThomas Zimmermann ast_crtc->offset_x = AST_MAX_HWC_WIDTH - fb->width; 71302f3bb75SThomas Zimmermann ast_crtc->offset_y = AST_MAX_HWC_WIDTH - fb->height; 71402f3bb75SThomas Zimmermann 71502f3bb75SThomas Zimmermann if (state->fb != old_state->fb) { 71602f3bb75SThomas Zimmermann /* A new cursor image was installed. */ 71702f3bb75SThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 71802f3bb75SThomas Zimmermann off = drm_gem_vram_offset(gbo); 71902f3bb75SThomas Zimmermann if (WARN_ON_ONCE(off < 0)) 72002f3bb75SThomas Zimmermann return; /* Bug: we didn't pin cursor HW BO to VRAM. */ 72102f3bb75SThomas Zimmermann ast_cursor_set_base(ast, off); 72202f3bb75SThomas Zimmermann 72302f3bb75SThomas Zimmermann ++ast->cursor.next_index; 72402f3bb75SThomas Zimmermann ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); 72502f3bb75SThomas Zimmermann } 72602f3bb75SThomas Zimmermann 72702f3bb75SThomas Zimmermann ast_cursor_move(crtc, state->crtc_x, state->crtc_y); 72802f3bb75SThomas Zimmermann 72902f3bb75SThomas Zimmermann jreg = 0x2; 73002f3bb75SThomas Zimmermann /* enable ARGB cursor */ 73102f3bb75SThomas Zimmermann jreg |= 1; 73202f3bb75SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 73302f3bb75SThomas Zimmermann } 73402f3bb75SThomas Zimmermann 73502f3bb75SThomas Zimmermann static void 73602f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, 73702f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 73802f3bb75SThomas Zimmermann { 73902f3bb75SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 74002f3bb75SThomas Zimmermann 74102f3bb75SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); 74202f3bb75SThomas Zimmermann } 74302f3bb75SThomas Zimmermann 74402f3bb75SThomas Zimmermann static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { 74502f3bb75SThomas Zimmermann .prepare_fb = ast_cursor_plane_helper_prepare_fb, 74602f3bb75SThomas Zimmermann .cleanup_fb = NULL, /* not required for cursor plane */ 74702f3bb75SThomas Zimmermann .atomic_check = ast_cursor_plane_helper_atomic_check, 74802f3bb75SThomas Zimmermann .atomic_update = ast_cursor_plane_helper_atomic_update, 74902f3bb75SThomas Zimmermann .atomic_disable = ast_cursor_plane_helper_atomic_disable, 75002f3bb75SThomas Zimmermann }; 75102f3bb75SThomas Zimmermann 75202f3bb75SThomas Zimmermann static const struct drm_plane_funcs ast_cursor_plane_funcs = { 75302f3bb75SThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 75402f3bb75SThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 75502f3bb75SThomas Zimmermann .destroy = drm_plane_cleanup, 75602f3bb75SThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 75702f3bb75SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 75802f3bb75SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 75902f3bb75SThomas Zimmermann }; 76002f3bb75SThomas Zimmermann 76102f3bb75SThomas Zimmermann /* 762a6ff807bSThomas Zimmermann * CRTC 763a6ff807bSThomas Zimmermann */ 764a6ff807bSThomas Zimmermann 765312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 766312fec14SDave Airlie { 767312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 768312fec14SDave Airlie 769312fec14SDave Airlie if (ast->chip == AST1180) 770312fec14SDave Airlie return; 771312fec14SDave Airlie 7722fbeec03SThomas Zimmermann /* TODO: Maybe control display signal generation with 7732fbeec03SThomas Zimmermann * Sync Enable (bit CR17.7). 7742fbeec03SThomas Zimmermann */ 775312fec14SDave Airlie switch (mode) { 776312fec14SDave Airlie case DRM_MODE_DPMS_ON: 777312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 778312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 77983c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 78083c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 781ae37025dSThomas Zimmermann ast_crtc_load_lut(ast, crtc); 782312fec14SDave Airlie break; 783312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 78483c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 78583c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 786312fec14SDave Airlie break; 787312fec14SDave Airlie } 788312fec14SDave Airlie } 789312fec14SDave Airlie 790b48e1b6fSThomas Zimmermann static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, 791b48e1b6fSThomas Zimmermann struct drm_crtc_state *state) 792b48e1b6fSThomas Zimmermann { 793b48e1b6fSThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 794e7d70cd4SThomas Zimmermann struct ast_crtc_state *ast_state; 7953339fdf5SThomas Zimmermann const struct drm_format_info *format; 796b48e1b6fSThomas Zimmermann bool succ; 797b48e1b6fSThomas Zimmermann 798b48e1b6fSThomas Zimmermann if (ast->chip == AST1180) { 799b48e1b6fSThomas Zimmermann DRM_ERROR("AST 1180 modesetting not supported\n"); 800b48e1b6fSThomas Zimmermann return -EINVAL; 801b48e1b6fSThomas Zimmermann } 802b48e1b6fSThomas Zimmermann 803e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(state); 804b48e1b6fSThomas Zimmermann 8053339fdf5SThomas Zimmermann format = ast_state->format; 8063339fdf5SThomas Zimmermann if (!format) 807e7d70cd4SThomas Zimmermann return 0; 808e7d70cd4SThomas Zimmermann 8093339fdf5SThomas Zimmermann succ = ast_get_vbios_mode_info(format, &state->mode, 810e7d70cd4SThomas Zimmermann &state->adjusted_mode, 811e7d70cd4SThomas Zimmermann &ast_state->vbios_mode_info); 812b48e1b6fSThomas Zimmermann if (!succ) 813b48e1b6fSThomas Zimmermann return -EINVAL; 814b48e1b6fSThomas Zimmermann 815b48e1b6fSThomas Zimmermann return 0; 816b48e1b6fSThomas Zimmermann } 817b48e1b6fSThomas Zimmermann 818b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_begin(struct drm_crtc *crtc, 819b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 820b48e1b6fSThomas Zimmermann { 821b48e1b6fSThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 822b48e1b6fSThomas Zimmermann 823b48e1b6fSThomas Zimmermann ast_open_key(ast); 824b48e1b6fSThomas Zimmermann } 825b48e1b6fSThomas Zimmermann 826b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, 827b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 828b48e1b6fSThomas Zimmermann { 82971d873ccSThomas Zimmermann struct drm_device *dev = crtc->dev; 83071d873ccSThomas Zimmermann struct ast_private *ast = dev->dev_private; 831e7d70cd4SThomas Zimmermann struct ast_crtc_state *ast_state; 832ae37025dSThomas Zimmermann const struct drm_format_info *format; 833e7d70cd4SThomas Zimmermann struct ast_vbios_mode_info *vbios_mode_info; 834e7d70cd4SThomas Zimmermann struct drm_display_mode *adjusted_mode; 835b48e1b6fSThomas Zimmermann 836b48e1b6fSThomas Zimmermann crtc->state->no_vblank = true; 837b48e1b6fSThomas Zimmermann 838e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(crtc->state); 839e7d70cd4SThomas Zimmermann 8403339fdf5SThomas Zimmermann format = ast_state->format; 8413339fdf5SThomas Zimmermann if (!format) 8423339fdf5SThomas Zimmermann return; 8433339fdf5SThomas Zimmermann 844e7d70cd4SThomas Zimmermann vbios_mode_info = &ast_state->vbios_mode_info; 84571d873ccSThomas Zimmermann 846ae37025dSThomas Zimmermann ast_set_color_reg(ast, format); 847e7d70cd4SThomas Zimmermann ast_set_vbios_color_reg(ast, format, vbios_mode_info); 848b48e1b6fSThomas Zimmermann 84971d873ccSThomas Zimmermann if (!crtc->state->mode_changed) 850b48e1b6fSThomas Zimmermann return; 851b48e1b6fSThomas Zimmermann 852e7d70cd4SThomas Zimmermann adjusted_mode = &crtc->state->adjusted_mode; 853e7d70cd4SThomas Zimmermann 854e7d70cd4SThomas Zimmermann ast_set_vbios_mode_reg(ast, adjusted_mode, vbios_mode_info); 855b48e1b6fSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 856e7d70cd4SThomas Zimmermann ast_set_std_reg(ast, adjusted_mode, vbios_mode_info); 857e7d70cd4SThomas Zimmermann ast_set_crtc_reg(ast, adjusted_mode, vbios_mode_info); 858e7d70cd4SThomas Zimmermann ast_set_dclk_reg(ast, adjusted_mode, vbios_mode_info); 859ae37025dSThomas Zimmermann ast_set_crtthd_reg(ast); 860e7d70cd4SThomas Zimmermann ast_set_sync_reg(ast, adjusted_mode, vbios_mode_info); 86171d873ccSThomas Zimmermann } 862b48e1b6fSThomas Zimmermann 86371d873ccSThomas Zimmermann static void 86471d873ccSThomas Zimmermann ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, 86571d873ccSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 86671d873ccSThomas Zimmermann { 867b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 868b48e1b6fSThomas Zimmermann } 869b48e1b6fSThomas Zimmermann 870b48e1b6fSThomas Zimmermann static void 871b48e1b6fSThomas Zimmermann ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, 872b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 873b48e1b6fSThomas Zimmermann { 874b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 875b48e1b6fSThomas Zimmermann } 876312fec14SDave Airlie 877312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 878b48e1b6fSThomas Zimmermann .atomic_check = ast_crtc_helper_atomic_check, 879b48e1b6fSThomas Zimmermann .atomic_begin = ast_crtc_helper_atomic_begin, 880b48e1b6fSThomas Zimmermann .atomic_flush = ast_crtc_helper_atomic_flush, 881b48e1b6fSThomas Zimmermann .atomic_enable = ast_crtc_helper_atomic_enable, 882b48e1b6fSThomas Zimmermann .atomic_disable = ast_crtc_helper_atomic_disable, 883312fec14SDave Airlie }; 884312fec14SDave Airlie 885312fec14SDave Airlie static void ast_crtc_destroy(struct drm_crtc *crtc) 886312fec14SDave Airlie { 887312fec14SDave Airlie drm_crtc_cleanup(crtc); 888312fec14SDave Airlie kfree(crtc); 889312fec14SDave Airlie } 890312fec14SDave Airlie 89183be6a3cSThomas Zimmermann static struct drm_crtc_state * 89283be6a3cSThomas Zimmermann ast_crtc_atomic_duplicate_state(struct drm_crtc *crtc) 89383be6a3cSThomas Zimmermann { 894e7d70cd4SThomas Zimmermann struct ast_crtc_state *new_ast_state, *ast_state; 89583be6a3cSThomas Zimmermann 89683be6a3cSThomas Zimmermann if (WARN_ON(!crtc->state)) 89783be6a3cSThomas Zimmermann return NULL; 89883be6a3cSThomas Zimmermann 89983be6a3cSThomas Zimmermann new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL); 90083be6a3cSThomas Zimmermann if (!new_ast_state) 90183be6a3cSThomas Zimmermann return NULL; 90283be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_duplicate_state(crtc, &new_ast_state->base); 90383be6a3cSThomas Zimmermann 904e7d70cd4SThomas Zimmermann ast_state = to_ast_crtc_state(crtc->state); 905e7d70cd4SThomas Zimmermann 9063339fdf5SThomas Zimmermann new_ast_state->format = ast_state->format; 907e7d70cd4SThomas Zimmermann memcpy(&new_ast_state->vbios_mode_info, &ast_state->vbios_mode_info, 908e7d70cd4SThomas Zimmermann sizeof(new_ast_state->vbios_mode_info)); 909e7d70cd4SThomas Zimmermann 91083be6a3cSThomas Zimmermann return &new_ast_state->base; 91183be6a3cSThomas Zimmermann } 91283be6a3cSThomas Zimmermann 91383be6a3cSThomas Zimmermann static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc, 91483be6a3cSThomas Zimmermann struct drm_crtc_state *state) 91583be6a3cSThomas Zimmermann { 91683be6a3cSThomas Zimmermann struct ast_crtc_state *ast_state = to_ast_crtc_state(state); 91783be6a3cSThomas Zimmermann 91883be6a3cSThomas Zimmermann __drm_atomic_helper_crtc_destroy_state(&ast_state->base); 91983be6a3cSThomas Zimmermann kfree(ast_state); 92083be6a3cSThomas Zimmermann } 92183be6a3cSThomas Zimmermann 922312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 9234961eb60SThomas Zimmermann .reset = drm_atomic_helper_crtc_reset, 924312fec14SDave Airlie .set_config = drm_crtc_helper_set_config, 9254961eb60SThomas Zimmermann .gamma_set = drm_atomic_helper_legacy_gamma_set, 926312fec14SDave Airlie .destroy = ast_crtc_destroy, 9274961eb60SThomas Zimmermann .set_config = drm_atomic_helper_set_config, 9284961eb60SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, 92983be6a3cSThomas Zimmermann .atomic_duplicate_state = ast_crtc_atomic_duplicate_state, 93083be6a3cSThomas Zimmermann .atomic_destroy_state = ast_crtc_atomic_destroy_state, 931312fec14SDave Airlie }; 932312fec14SDave Airlie 9337f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 934312fec14SDave Airlie { 935a6ff807bSThomas Zimmermann struct ast_private *ast = dev->dev_private; 936312fec14SDave Airlie struct ast_crtc *crtc; 937a6ff807bSThomas Zimmermann int ret; 938312fec14SDave Airlie 939312fec14SDave Airlie crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); 940312fec14SDave Airlie if (!crtc) 941312fec14SDave Airlie return -ENOMEM; 942312fec14SDave Airlie 943a6ff807bSThomas Zimmermann ret = drm_crtc_init_with_planes(dev, &crtc->base, &ast->primary_plane, 94402f3bb75SThomas Zimmermann &ast->cursor_plane, &ast_crtc_funcs, 94502f3bb75SThomas Zimmermann NULL); 946a6ff807bSThomas Zimmermann if (ret) 947a6ff807bSThomas Zimmermann goto err_kfree; 948a6ff807bSThomas Zimmermann 949312fec14SDave Airlie drm_mode_crtc_set_gamma_size(&crtc->base, 256); 950312fec14SDave Airlie drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); 951312fec14SDave Airlie return 0; 952a6ff807bSThomas Zimmermann 953a6ff807bSThomas Zimmermann err_kfree: 954a6ff807bSThomas Zimmermann kfree(crtc); 955a6ff807bSThomas Zimmermann return ret; 956312fec14SDave Airlie } 957312fec14SDave Airlie 9584961eb60SThomas Zimmermann /* 9594961eb60SThomas Zimmermann * Encoder 9604961eb60SThomas Zimmermann */ 9614961eb60SThomas Zimmermann 962312fec14SDave Airlie static void ast_encoder_destroy(struct drm_encoder *encoder) 963312fec14SDave Airlie { 964312fec14SDave Airlie drm_encoder_cleanup(encoder); 965312fec14SDave Airlie kfree(encoder); 966312fec14SDave Airlie } 967312fec14SDave Airlie 968312fec14SDave Airlie static const struct drm_encoder_funcs ast_enc_funcs = { 969312fec14SDave Airlie .destroy = ast_encoder_destroy, 970312fec14SDave Airlie }; 971312fec14SDave Airlie 9727f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 973312fec14SDave Airlie { 974312fec14SDave Airlie struct ast_encoder *ast_encoder; 975312fec14SDave Airlie 976312fec14SDave Airlie ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL); 977312fec14SDave Airlie if (!ast_encoder) 978312fec14SDave Airlie return -ENOMEM; 979312fec14SDave Airlie 980312fec14SDave Airlie drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, 98113a3d91fSVille Syrjälä DRM_MODE_ENCODER_DAC, NULL); 982312fec14SDave Airlie 983312fec14SDave Airlie ast_encoder->base.possible_crtcs = 1; 984312fec14SDave Airlie return 0; 985312fec14SDave Airlie } 986312fec14SDave Airlie 9874961eb60SThomas Zimmermann /* 9884961eb60SThomas Zimmermann * Connector 9894961eb60SThomas Zimmermann */ 9904961eb60SThomas Zimmermann 991312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 992312fec14SDave Airlie { 993312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 99483c6620bSDave Airlie struct ast_private *ast = connector->dev->dev_private; 995312fec14SDave Airlie struct edid *edid; 996312fec14SDave Airlie int ret; 99783c6620bSDave Airlie bool flags = false; 99883c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 99983c6620bSDave Airlie ast->dp501_maxclk = 0xff; 100083c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 100183c6620bSDave Airlie if (!edid) 100283c6620bSDave Airlie return -ENOMEM; 1003312fec14SDave Airlie 100483c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 100583c6620bSDave Airlie if (flags) 100683c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 100783c6620bSDave Airlie else 100883c6620bSDave Airlie kfree(edid); 100983c6620bSDave Airlie } 101083c6620bSDave Airlie if (!flags) 1011312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 1012312fec14SDave Airlie if (edid) { 1013c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 1014312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 1015993dcb05SJani Nikula kfree(edid); 1016312fec14SDave Airlie return ret; 1017312fec14SDave Airlie } else 1018c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 1019312fec14SDave Airlie return 0; 1020312fec14SDave Airlie } 1021312fec14SDave Airlie 1022602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 1023312fec14SDave Airlie struct drm_display_mode *mode) 1024312fec14SDave Airlie { 1025f1f62f2cSDave Airlie struct ast_private *ast = connector->dev->dev_private; 1026f1f62f2cSDave Airlie int flags = MODE_NOMODE; 1027f1f62f2cSDave Airlie uint32_t jtemp; 1028f1f62f2cSDave Airlie 1029f1f62f2cSDave Airlie if (ast->support_wide_screen) { 1030f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 1031312fec14SDave Airlie return MODE_OK; 1032f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 1033f1f62f2cSDave Airlie return MODE_OK; 1034f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 1035f1f62f2cSDave Airlie return MODE_OK; 1036f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 1037f1f62f2cSDave Airlie return MODE_OK; 1038f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 1039f1f62f2cSDave Airlie return MODE_OK; 1040f1f62f2cSDave Airlie 10419f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 10429f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 10439f93c8b3SY.C. Chen (ast->chip == AST2500) || (ast->chip == AST1180)) { 1044f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 1045f1f62f2cSDave Airlie return MODE_OK; 1046f1f62f2cSDave Airlie 1047f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 1048f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 1049f1f62f2cSDave Airlie if (jtemp & 0x01) 1050f1f62f2cSDave Airlie return MODE_NOMODE; 1051f1f62f2cSDave Airlie else 1052f1f62f2cSDave Airlie return MODE_OK; 1053f1f62f2cSDave Airlie } 1054f1f62f2cSDave Airlie } 1055f1f62f2cSDave Airlie } 1056f1f62f2cSDave Airlie switch (mode->hdisplay) { 1057f1f62f2cSDave Airlie case 640: 1058f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 1059f1f62f2cSDave Airlie break; 1060f1f62f2cSDave Airlie case 800: 1061f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 1062f1f62f2cSDave Airlie break; 1063f1f62f2cSDave Airlie case 1024: 1064f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 1065f1f62f2cSDave Airlie break; 1066f1f62f2cSDave Airlie case 1280: 1067f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 1068f1f62f2cSDave Airlie break; 1069f1f62f2cSDave Airlie case 1600: 1070f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 1071f1f62f2cSDave Airlie break; 1072f1f62f2cSDave Airlie default: 1073f1f62f2cSDave Airlie return flags; 1074f1f62f2cSDave Airlie } 1075f1f62f2cSDave Airlie 1076f1f62f2cSDave Airlie return flags; 1077312fec14SDave Airlie } 1078312fec14SDave Airlie 1079312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 1080312fec14SDave Airlie { 1081312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 1082312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 108334ea3d38SThomas Wood drm_connector_unregister(connector); 1084312fec14SDave Airlie drm_connector_cleanup(connector); 1085312fec14SDave Airlie kfree(connector); 1086312fec14SDave Airlie } 1087312fec14SDave Airlie 1088312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 1089312fec14SDave Airlie .get_modes = ast_get_modes, 10904961eb60SThomas Zimmermann .mode_valid = ast_mode_valid, 1091312fec14SDave Airlie }; 1092312fec14SDave Airlie 1093312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 10944961eb60SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 1095312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 1096312fec14SDave Airlie .destroy = ast_connector_destroy, 10974961eb60SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 10984961eb60SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1099312fec14SDave Airlie }; 1100312fec14SDave Airlie 11017f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 1102312fec14SDave Airlie { 1103312fec14SDave Airlie struct ast_connector *ast_connector; 1104312fec14SDave Airlie struct drm_connector *connector; 1105312fec14SDave Airlie struct drm_encoder *encoder; 1106312fec14SDave Airlie 1107312fec14SDave Airlie ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); 1108312fec14SDave Airlie if (!ast_connector) 1109312fec14SDave Airlie return -ENOMEM; 1110312fec14SDave Airlie 1111312fec14SDave Airlie connector = &ast_connector->base; 1112350fd554SAndrzej Pietrasiewicz ast_connector->i2c = ast_i2c_create(dev); 1113350fd554SAndrzej Pietrasiewicz if (!ast_connector->i2c) 1114350fd554SAndrzej Pietrasiewicz DRM_ERROR("failed to add ddc bus for connector\n"); 1115350fd554SAndrzej Pietrasiewicz 1116350fd554SAndrzej Pietrasiewicz drm_connector_init_with_ddc(dev, connector, 1117350fd554SAndrzej Pietrasiewicz &ast_connector_funcs, 1118350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 1119350fd554SAndrzej Pietrasiewicz &ast_connector->i2c->adapter); 1120312fec14SDave Airlie 1121312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 1122312fec14SDave Airlie 1123312fec14SDave Airlie connector->interlace_allowed = 0; 1124312fec14SDave Airlie connector->doublescan_allowed = 0; 1125312fec14SDave Airlie 112634ea3d38SThomas Wood drm_connector_register(connector); 1127312fec14SDave Airlie 1128312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1129312fec14SDave Airlie 1130312fec14SDave Airlie encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); 1131cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 1132312fec14SDave Airlie 1133312fec14SDave Airlie return 0; 1134312fec14SDave Airlie } 1135312fec14SDave Airlie 1136312fec14SDave Airlie /* allocate cursor cache and pin at start of VRAM */ 11377f5ccd44SRashika static int ast_cursor_init(struct drm_device *dev) 1138312fec14SDave Airlie { 1139312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 11400090ef3eSThomas Zimmermann size_t size, i; 11415b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 11420090ef3eSThomas Zimmermann int ret; 1143312fec14SDave Airlie 11440090ef3eSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 1145312fec14SDave Airlie 11460090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 1147a4d46a8eSThomas Zimmermann gbo = drm_gem_vram_create(dev, size, 0); 11480090ef3eSThomas Zimmermann if (IS_ERR(gbo)) { 11490090ef3eSThomas Zimmermann ret = PTR_ERR(gbo); 11500090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 11510090ef3eSThomas Zimmermann } 11520090ef3eSThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | 11530090ef3eSThomas Zimmermann DRM_GEM_VRAM_PL_FLAG_TOPDOWN); 11540090ef3eSThomas Zimmermann if (ret) { 11550090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11560090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 11575b370979SThomas Zimmermann } 1158312fec14SDave Airlie 11590090ef3eSThomas Zimmermann ast->cursor.gbo[i] = gbo; 11603f87330eSThomas Zimmermann } 1161312fec14SDave Airlie 1162312fec14SDave Airlie return 0; 11630090ef3eSThomas Zimmermann 11640090ef3eSThomas Zimmermann err_drm_gem_vram_put: 11650090ef3eSThomas Zimmermann while (i) { 11660090ef3eSThomas Zimmermann --i; 11670090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 11680090ef3eSThomas Zimmermann drm_gem_vram_unpin(gbo); 11690090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11700090ef3eSThomas Zimmermann ast->cursor.gbo[i] = NULL; 11710090ef3eSThomas Zimmermann } 1172312fec14SDave Airlie return ret; 1173312fec14SDave Airlie } 1174312fec14SDave Airlie 11757f5ccd44SRashika static void ast_cursor_fini(struct drm_device *dev) 1176312fec14SDave Airlie { 1177312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 11780090ef3eSThomas Zimmermann size_t i; 11790090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 11800090ef3eSThomas Zimmermann 11810090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 11820090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 11834d7553c3SThomas Zimmermann drm_gem_vram_unpin(gbo); 11840090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11850090ef3eSThomas Zimmermann } 1186312fec14SDave Airlie } 1187312fec14SDave Airlie 1188312fec14SDave Airlie int ast_mode_init(struct drm_device *dev) 1189312fec14SDave Airlie { 1190a6ff807bSThomas Zimmermann struct ast_private *ast = dev->dev_private; 1191a6ff807bSThomas Zimmermann int ret; 1192a6ff807bSThomas Zimmermann 1193a6ff807bSThomas Zimmermann memset(&ast->primary_plane, 0, sizeof(ast->primary_plane)); 1194a6ff807bSThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01, 1195a6ff807bSThomas Zimmermann &ast_primary_plane_funcs, 1196a6ff807bSThomas Zimmermann ast_primary_plane_formats, 1197a6ff807bSThomas Zimmermann ARRAY_SIZE(ast_primary_plane_formats), 1198a6ff807bSThomas Zimmermann NULL, DRM_PLANE_TYPE_PRIMARY, NULL); 1199a6ff807bSThomas Zimmermann if (ret) { 1200a6ff807bSThomas Zimmermann DRM_ERROR("ast: drm_universal_plane_init() failed: %d\n", ret); 1201a6ff807bSThomas Zimmermann return ret; 1202a6ff807bSThomas Zimmermann } 1203a6ff807bSThomas Zimmermann drm_plane_helper_add(&ast->primary_plane, 1204a6ff807bSThomas Zimmermann &ast_primary_plane_helper_funcs); 1205a6ff807bSThomas Zimmermann 120602f3bb75SThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->cursor_plane, 0x01, 120702f3bb75SThomas Zimmermann &ast_cursor_plane_funcs, 120802f3bb75SThomas Zimmermann ast_cursor_plane_formats, 120902f3bb75SThomas Zimmermann ARRAY_SIZE(ast_cursor_plane_formats), 121002f3bb75SThomas Zimmermann NULL, DRM_PLANE_TYPE_CURSOR, NULL); 121102f3bb75SThomas Zimmermann if (ret) { 121202f3bb75SThomas Zimmermann DRM_ERROR("drm_universal_plane_failed(): %d\n", ret); 121302f3bb75SThomas Zimmermann return ret; 121402f3bb75SThomas Zimmermann } 121502f3bb75SThomas Zimmermann drm_plane_helper_add(&ast->cursor_plane, 121602f3bb75SThomas Zimmermann &ast_cursor_plane_helper_funcs); 121702f3bb75SThomas Zimmermann 1218312fec14SDave Airlie ast_cursor_init(dev); 1219312fec14SDave Airlie ast_crtc_init(dev); 1220312fec14SDave Airlie ast_encoder_init(dev); 1221312fec14SDave Airlie ast_connector_init(dev); 1222a6ff807bSThomas Zimmermann 1223312fec14SDave Airlie return 0; 1224312fec14SDave Airlie } 1225312fec14SDave Airlie 1226312fec14SDave Airlie void ast_mode_fini(struct drm_device *dev) 1227312fec14SDave Airlie { 1228312fec14SDave Airlie ast_cursor_fini(dev); 1229312fec14SDave Airlie } 1230312fec14SDave Airlie 1231312fec14SDave Airlie static int get_clock(void *i2c_priv) 1232312fec14SDave Airlie { 1233312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1234312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 123530062562SY.C. Chen uint32_t val, val2, count, pass; 1236312fec14SDave Airlie 123730062562SY.C. Chen count = 0; 123830062562SY.C. Chen pass = 0; 123930062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 124030062562SY.C. Chen do { 124130062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 124230062562SY.C. Chen if (val == val2) { 124330062562SY.C. Chen pass++; 124430062562SY.C. Chen } else { 124530062562SY.C. Chen pass = 0; 124630062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 124730062562SY.C. Chen } 124830062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 124930062562SY.C. Chen 1250312fec14SDave Airlie return val & 1 ? 1 : 0; 1251312fec14SDave Airlie } 1252312fec14SDave Airlie 1253312fec14SDave Airlie static int get_data(void *i2c_priv) 1254312fec14SDave Airlie { 1255312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1256312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 125730062562SY.C. Chen uint32_t val, val2, count, pass; 1258312fec14SDave Airlie 125930062562SY.C. Chen count = 0; 126030062562SY.C. Chen pass = 0; 126130062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 126230062562SY.C. Chen do { 126330062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 126430062562SY.C. Chen if (val == val2) { 126530062562SY.C. Chen pass++; 126630062562SY.C. Chen } else { 126730062562SY.C. Chen pass = 0; 126830062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 126930062562SY.C. Chen } 127030062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 127130062562SY.C. Chen 1272312fec14SDave Airlie return val & 1 ? 1 : 0; 1273312fec14SDave Airlie } 1274312fec14SDave Airlie 1275312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 1276312fec14SDave Airlie { 1277312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1278312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1279312fec14SDave Airlie int i; 1280312fec14SDave Airlie u8 ujcrb7, jtemp; 1281312fec14SDave Airlie 1282312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1283312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 128430062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1285312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1286312fec14SDave Airlie if (ujcrb7 == jtemp) 1287312fec14SDave Airlie break; 1288312fec14SDave Airlie } 1289312fec14SDave Airlie } 1290312fec14SDave Airlie 1291312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1292312fec14SDave Airlie { 1293312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1294312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1295312fec14SDave Airlie int i; 1296312fec14SDave Airlie u8 ujcrb7, jtemp; 1297312fec14SDave Airlie 1298312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1299312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 130030062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1301312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1302312fec14SDave Airlie if (ujcrb7 == jtemp) 1303312fec14SDave Airlie break; 1304312fec14SDave Airlie } 1305312fec14SDave Airlie } 1306312fec14SDave Airlie 1307312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1308312fec14SDave Airlie { 1309312fec14SDave Airlie struct ast_i2c_chan *i2c; 1310312fec14SDave Airlie int ret; 1311312fec14SDave Airlie 1312312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1313312fec14SDave Airlie if (!i2c) 1314312fec14SDave Airlie return NULL; 1315312fec14SDave Airlie 1316312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1317312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1318312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1319312fec14SDave Airlie i2c->dev = dev; 1320312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1321312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1322312fec14SDave Airlie "AST i2c bit bus"); 1323312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1324312fec14SDave Airlie 1325312fec14SDave Airlie i2c->bit.udelay = 20; 1326312fec14SDave Airlie i2c->bit.timeout = 2; 1327312fec14SDave Airlie i2c->bit.data = i2c; 1328312fec14SDave Airlie i2c->bit.setsda = set_data; 1329312fec14SDave Airlie i2c->bit.setscl = set_clock; 1330312fec14SDave Airlie i2c->bit.getsda = get_data; 1331312fec14SDave Airlie i2c->bit.getscl = get_clock; 1332312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1333312fec14SDave Airlie if (ret) { 1334312fec14SDave Airlie DRM_ERROR("Failed to register bit i2c\n"); 1335312fec14SDave Airlie goto out_free; 1336312fec14SDave Airlie } 1337312fec14SDave Airlie 1338312fec14SDave Airlie return i2c; 1339312fec14SDave Airlie out_free: 1340312fec14SDave Airlie kfree(i2c); 1341312fec14SDave Airlie return NULL; 1342312fec14SDave Airlie } 1343312fec14SDave Airlie 1344312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1345312fec14SDave Airlie { 1346312fec14SDave Airlie if (!i2c) 1347312fec14SDave Airlie return; 1348312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1349312fec14SDave Airlie kfree(i2c); 1350312fec14SDave Airlie } 1351312fec14SDave Airlie 1352312fec14SDave Airlie static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) 1353312fec14SDave Airlie { 1354312fec14SDave Airlie union { 1355312fec14SDave Airlie u32 ul; 1356312fec14SDave Airlie u8 b[4]; 1357312fec14SDave Airlie } srcdata32[2], data32; 1358312fec14SDave Airlie union { 1359312fec14SDave Airlie u16 us; 1360312fec14SDave Airlie u8 b[2]; 1361312fec14SDave Airlie } data16; 1362312fec14SDave Airlie u32 csum = 0; 1363312fec14SDave Airlie s32 alpha_dst_delta, last_alpha_dst_delta; 1364312fec14SDave Airlie u8 *srcxor, *dstxor; 1365312fec14SDave Airlie int i, j; 1366312fec14SDave Airlie u32 per_pixel_copy, two_pixel_copy; 1367312fec14SDave Airlie 1368312fec14SDave Airlie alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 1369312fec14SDave Airlie last_alpha_dst_delta = alpha_dst_delta - (width << 1); 1370312fec14SDave Airlie 1371312fec14SDave Airlie srcxor = src; 1372312fec14SDave Airlie dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 1373312fec14SDave Airlie per_pixel_copy = width & 1; 1374312fec14SDave Airlie two_pixel_copy = width >> 1; 1375312fec14SDave Airlie 1376312fec14SDave Airlie for (j = 0; j < height; j++) { 1377312fec14SDave Airlie for (i = 0; i < two_pixel_copy; i++) { 1378312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1379312fec14SDave Airlie srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 1380312fec14SDave Airlie data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1381312fec14SDave Airlie data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 13821e99cfa8SBenjamin Herrenschmidt data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 13831e99cfa8SBenjamin Herrenschmidt data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 1384312fec14SDave Airlie 1385312fec14SDave Airlie writel(data32.ul, dstxor); 1386312fec14SDave Airlie csum += data32.ul; 1387312fec14SDave Airlie 1388312fec14SDave Airlie dstxor += 4; 1389312fec14SDave Airlie srcxor += 8; 1390312fec14SDave Airlie 1391312fec14SDave Airlie } 1392312fec14SDave Airlie 1393312fec14SDave Airlie for (i = 0; i < per_pixel_copy; i++) { 1394312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1395312fec14SDave Airlie data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1396312fec14SDave Airlie data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 1397312fec14SDave Airlie writew(data16.us, dstxor); 1398312fec14SDave Airlie csum += (u32)data16.us; 1399312fec14SDave Airlie 1400312fec14SDave Airlie dstxor += 2; 1401312fec14SDave Airlie srcxor += 4; 1402312fec14SDave Airlie } 1403312fec14SDave Airlie dstxor += last_alpha_dst_delta; 1404312fec14SDave Airlie } 1405312fec14SDave Airlie return csum; 1406312fec14SDave Airlie } 1407312fec14SDave Airlie 14082f5989fcSThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 14092f5989fcSThomas Zimmermann unsigned int height) 14102f5989fcSThomas Zimmermann { 14112f5989fcSThomas Zimmermann u32 csum; 14122f5989fcSThomas Zimmermann 14132f5989fcSThomas Zimmermann /* do data transfer to cursor cache */ 14142f5989fcSThomas Zimmermann csum = copy_cursor_image(src, dst, width, height); 14152f5989fcSThomas Zimmermann 14162f5989fcSThomas Zimmermann /* write checksum + signature */ 14172f5989fcSThomas Zimmermann dst += AST_HWC_SIZE; 14182f5989fcSThomas Zimmermann writel(csum, dst); 14192f5989fcSThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 14202f5989fcSThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 14212f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 14222f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 14232f5989fcSThomas Zimmermann 14242f5989fcSThomas Zimmermann return 0; 14252f5989fcSThomas Zimmermann } 14262f5989fcSThomas Zimmermann 14272f5989fcSThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address) 14282f5989fcSThomas Zimmermann { 14292f5989fcSThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 14302f5989fcSThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 14312f5989fcSThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 14322f5989fcSThomas Zimmermann 14332f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 14342f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 14352f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 14362f5989fcSThomas Zimmermann } 14372f5989fcSThomas Zimmermann 1438312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 1439312fec14SDave Airlie int x, int y) 1440312fec14SDave Airlie { 1441312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1442312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 14430090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 1444312fec14SDave Airlie int x_offset, y_offset; 14450090ef3eSThomas Zimmermann u8 *dst, *sig; 144696a49f39SThomas Zimmermann u8 jreg; 1447312fec14SDave Airlie 14480090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 14490090ef3eSThomas Zimmermann dst = drm_gem_vram_vmap(gbo); 14500090ef3eSThomas Zimmermann if (IS_ERR(dst)) 14510090ef3eSThomas Zimmermann return PTR_ERR(dst); 14520090ef3eSThomas Zimmermann 14530090ef3eSThomas Zimmermann sig = dst + AST_HWC_SIZE; 1454312fec14SDave Airlie writel(x, sig + AST_HWC_SIGNATURE_X); 1455312fec14SDave Airlie writel(y, sig + AST_HWC_SIGNATURE_Y); 1456312fec14SDave Airlie 1457312fec14SDave Airlie x_offset = ast_crtc->offset_x; 1458312fec14SDave Airlie y_offset = ast_crtc->offset_y; 1459312fec14SDave Airlie if (x < 0) { 1460312fec14SDave Airlie x_offset = (-x) + ast_crtc->offset_x; 1461312fec14SDave Airlie x = 0; 1462312fec14SDave Airlie } 1463312fec14SDave Airlie 1464312fec14SDave Airlie if (y < 0) { 1465312fec14SDave Airlie y_offset = (-y) + ast_crtc->offset_y; 1466312fec14SDave Airlie y = 0; 1467312fec14SDave Airlie } 1468312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 1469312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 1470312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); 1471312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); 1472312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); 1473312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); 1474312fec14SDave Airlie 1475312fec14SDave Airlie /* dummy write to fire HWC */ 147696a49f39SThomas Zimmermann jreg = 0x02 | 147796a49f39SThomas Zimmermann 0x01; /* enable ARGB4444 cursor */ 147896a49f39SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 1479312fec14SDave Airlie 14800090ef3eSThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 14810090ef3eSThomas Zimmermann 1482312fec14SDave Airlie return 0; 1483312fec14SDave Airlie } 1484