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 34a6ff807bSThomas Zimmermann #include <drm/drm_atomic_helper.h> 35a6ff807bSThomas Zimmermann #include <drm/drm_atomic_state_helper.h> 36760285e7SDavid Howells #include <drm/drm_crtc.h> 37760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 38fbbbd160SSam Ravnborg #include <drm/drm_fourcc.h> 39fbbbd160SSam Ravnborg #include <drm/drm_gem_vram_helper.h> 403cb9ae4fSDaniel Vetter #include <drm/drm_plane_helper.h> 41fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 42312fec14SDave Airlie 43fbbbd160SSam Ravnborg #include "ast_drv.h" 44312fec14SDave Airlie #include "ast_tables.h" 45312fec14SDave Airlie 46312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); 47312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c); 48312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 49312fec14SDave Airlie int x, int y); 50312fec14SDave Airlie 51a6ff807bSThomas Zimmermann 5202f3bb75SThomas Zimmermann static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height); 5302f3bb75SThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 5402f3bb75SThomas Zimmermann unsigned int height); 5502f3bb75SThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address); 5602f3bb75SThomas Zimmermann static int ast_cursor_move(struct drm_crtc *crtc, 5702f3bb75SThomas Zimmermann int x, int y); 5802f3bb75SThomas Zimmermann 59312fec14SDave Airlie static inline void ast_load_palette_index(struct ast_private *ast, 60312fec14SDave Airlie u8 index, u8 red, u8 green, 61312fec14SDave Airlie u8 blue) 62312fec14SDave Airlie { 63312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); 64312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 65312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, red); 66312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 67312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, green); 68312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 69312fec14SDave Airlie ast_io_write8(ast, AST_IO_DAC_DATA, blue); 70312fec14SDave Airlie ast_io_read8(ast, AST_IO_SEQ_PORT); 71312fec14SDave Airlie } 72312fec14SDave Airlie 73ae37025dSThomas Zimmermann static void ast_crtc_load_lut(struct ast_private *ast, struct drm_crtc *crtc) 74312fec14SDave Airlie { 753bffd962SPeter Rosin u16 *r, *g, *b; 76312fec14SDave Airlie int i; 77312fec14SDave Airlie 78312fec14SDave Airlie if (!crtc->enabled) 79312fec14SDave Airlie return; 80312fec14SDave Airlie 813bffd962SPeter Rosin r = crtc->gamma_store; 823bffd962SPeter Rosin g = r + crtc->gamma_size; 833bffd962SPeter Rosin b = g + crtc->gamma_size; 843bffd962SPeter Rosin 85312fec14SDave Airlie for (i = 0; i < 256; i++) 863bffd962SPeter Rosin ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); 87312fec14SDave Airlie } 88312fec14SDave Airlie 89ae37025dSThomas Zimmermann static bool ast_get_vbios_mode_info(const struct drm_format_info *format, 90259d14a7SThomas Zimmermann const struct drm_display_mode *mode, 91312fec14SDave Airlie struct drm_display_mode *adjusted_mode, 92312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 93312fec14SDave Airlie { 94259d14a7SThomas Zimmermann u32 refresh_rate_index = 0, refresh_rate; 9522acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *best = NULL; 96312fec14SDave Airlie u32 hborder, vborder; 9794d12b13SY.C. Chen bool check_sync; 98312fec14SDave Airlie 99ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 100312fec14SDave Airlie case 8: 101312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; 102312fec14SDave Airlie break; 103312fec14SDave Airlie case 16: 104312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; 105312fec14SDave Airlie break; 106312fec14SDave Airlie case 24: 107312fec14SDave Airlie case 32: 108312fec14SDave Airlie vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; 109312fec14SDave Airlie break; 110312fec14SDave Airlie default: 111312fec14SDave Airlie return false; 112312fec14SDave Airlie } 113312fec14SDave Airlie 114259d14a7SThomas Zimmermann switch (mode->crtc_hdisplay) { 115312fec14SDave Airlie case 640: 116312fec14SDave Airlie vbios_mode->enh_table = &res_640x480[refresh_rate_index]; 117312fec14SDave Airlie break; 118312fec14SDave Airlie case 800: 119312fec14SDave Airlie vbios_mode->enh_table = &res_800x600[refresh_rate_index]; 120312fec14SDave Airlie break; 121312fec14SDave Airlie case 1024: 122312fec14SDave Airlie vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; 123312fec14SDave Airlie break; 124312fec14SDave Airlie case 1280: 125259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 800) 126312fec14SDave Airlie vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; 127312fec14SDave Airlie else 128312fec14SDave Airlie vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; 129312fec14SDave Airlie break; 130f1f62f2cSDave Airlie case 1360: 131f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; 132f1f62f2cSDave Airlie break; 133312fec14SDave Airlie case 1440: 134312fec14SDave Airlie vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; 135312fec14SDave Airlie break; 136312fec14SDave Airlie case 1600: 137259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 900) 138f1f62f2cSDave Airlie vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; 139f1f62f2cSDave Airlie else 140312fec14SDave Airlie vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; 141312fec14SDave Airlie break; 142312fec14SDave Airlie case 1680: 143312fec14SDave Airlie vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; 144312fec14SDave Airlie break; 145312fec14SDave Airlie case 1920: 146259d14a7SThomas Zimmermann if (mode->crtc_vdisplay == 1080) 147312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; 148312fec14SDave Airlie else 149312fec14SDave Airlie vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; 150312fec14SDave Airlie break; 151312fec14SDave Airlie default: 152312fec14SDave Airlie return false; 153312fec14SDave Airlie } 154312fec14SDave Airlie 155312fec14SDave Airlie refresh_rate = drm_mode_vrefresh(mode); 15694d12b13SY.C. Chen check_sync = vbios_mode->enh_table->flags & WideScreenMode; 157259d14a7SThomas Zimmermann 158259d14a7SThomas Zimmermann while (1) { 15922acdbb1SBenjamin Herrenschmidt const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; 16094d12b13SY.C. Chen 16194d12b13SY.C. Chen while (loop->refresh_rate != 0xff) { 16294d12b13SY.C. Chen if ((check_sync) && 16394d12b13SY.C. Chen (((mode->flags & DRM_MODE_FLAG_NVSYNC) && 16494d12b13SY.C. Chen (loop->flags & PVSync)) || 16594d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PVSYNC) && 16694d12b13SY.C. Chen (loop->flags & NVSync)) || 16794d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_NHSYNC) && 16894d12b13SY.C. Chen (loop->flags & PHSync)) || 16994d12b13SY.C. Chen ((mode->flags & DRM_MODE_FLAG_PHSYNC) && 17094d12b13SY.C. Chen (loop->flags & NHSync)))) { 17194d12b13SY.C. Chen loop++; 17294d12b13SY.C. Chen continue; 17394d12b13SY.C. Chen } 17494d12b13SY.C. Chen if (loop->refresh_rate <= refresh_rate 17594d12b13SY.C. Chen && (!best || loop->refresh_rate > best->refresh_rate)) 17694d12b13SY.C. Chen best = loop; 17794d12b13SY.C. Chen loop++; 17894d12b13SY.C. Chen } 17994d12b13SY.C. Chen if (best || !check_sync) 180312fec14SDave Airlie break; 18194d12b13SY.C. Chen check_sync = 0; 182259d14a7SThomas Zimmermann } 183259d14a7SThomas Zimmermann 18494d12b13SY.C. Chen if (best) 18594d12b13SY.C. Chen vbios_mode->enh_table = best; 186312fec14SDave Airlie 187312fec14SDave Airlie hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; 188312fec14SDave Airlie vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; 189312fec14SDave Airlie 190312fec14SDave Airlie adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; 191312fec14SDave Airlie adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; 192312fec14SDave Airlie adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; 193312fec14SDave Airlie adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + 194312fec14SDave Airlie vbios_mode->enh_table->hfp; 195312fec14SDave Airlie adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + 196312fec14SDave Airlie vbios_mode->enh_table->hfp + 197312fec14SDave Airlie vbios_mode->enh_table->hsync); 198312fec14SDave Airlie 199312fec14SDave Airlie adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; 200312fec14SDave Airlie adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; 201312fec14SDave Airlie adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; 202312fec14SDave Airlie adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + 203312fec14SDave Airlie vbios_mode->enh_table->vfp; 204312fec14SDave Airlie adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + 205312fec14SDave Airlie vbios_mode->enh_table->vfp + 206312fec14SDave Airlie vbios_mode->enh_table->vsync); 207312fec14SDave Airlie 208259d14a7SThomas Zimmermann return true; 209259d14a7SThomas Zimmermann } 210259d14a7SThomas Zimmermann 211ae37025dSThomas Zimmermann static void ast_set_vbios_color_reg(struct ast_private *ast, 212ae37025dSThomas Zimmermann const struct drm_format_info *format, 213259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 214259d14a7SThomas Zimmermann { 215259d14a7SThomas Zimmermann u32 color_index; 216259d14a7SThomas Zimmermann 217ae37025dSThomas Zimmermann switch (format->cpp[0]) { 218259d14a7SThomas Zimmermann case 1: 219259d14a7SThomas Zimmermann color_index = VGAModeIndex - 1; 220259d14a7SThomas Zimmermann break; 221259d14a7SThomas Zimmermann case 2: 222259d14a7SThomas Zimmermann color_index = HiCModeIndex; 223259d14a7SThomas Zimmermann break; 224259d14a7SThomas Zimmermann case 3: 225259d14a7SThomas Zimmermann case 4: 226259d14a7SThomas Zimmermann color_index = TrueCModeIndex; 227259d14a7SThomas Zimmermann default: 228259d14a7SThomas Zimmermann return; 229259d14a7SThomas Zimmermann } 230259d14a7SThomas Zimmermann 231259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); 232259d14a7SThomas Zimmermann 233259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 234259d14a7SThomas Zimmermann 235259d14a7SThomas Zimmermann if (vbios_mode->enh_table->flags & NewModeInfo) { 236259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 237ae37025dSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, format->cpp[0] * 8); 238259d14a7SThomas Zimmermann } 239259d14a7SThomas Zimmermann } 240259d14a7SThomas Zimmermann 241ae37025dSThomas Zimmermann static void ast_set_vbios_mode_reg(struct ast_private *ast, 242259d14a7SThomas Zimmermann const struct drm_display_mode *adjusted_mode, 243259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 244259d14a7SThomas Zimmermann { 245259d14a7SThomas Zimmermann u32 refresh_rate_index, mode_id; 246259d14a7SThomas Zimmermann 247312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 248312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 249312fec14SDave Airlie 250312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 251312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 252312fec14SDave Airlie 253f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 254259d14a7SThomas Zimmermann 255f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 256312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 257312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 258312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 259312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 260312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 261312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 262312fec14SDave Airlie } 263f1f62f2cSDave Airlie } 264312fec14SDave Airlie 265ae37025dSThomas Zimmermann static void ast_set_std_reg(struct ast_private *ast, 266ae37025dSThomas Zimmermann struct drm_display_mode *mode, 267312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 268312fec14SDave Airlie { 26922acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 270312fec14SDave Airlie u32 i; 271312fec14SDave Airlie u8 jreg; 272312fec14SDave Airlie 273312fec14SDave Airlie stdtable = vbios_mode->std_table; 274312fec14SDave Airlie 275312fec14SDave Airlie jreg = stdtable->misc; 276312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 277312fec14SDave Airlie 2782fbeec03SThomas Zimmermann /* Set SEQ; except Screen Disable field */ 279312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 2802fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, stdtable->seq[0]); 2812fbeec03SThomas Zimmermann for (i = 1; i < 4; i++) { 282312fec14SDave Airlie jreg = stdtable->seq[i]; 283312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 284312fec14SDave Airlie } 285312fec14SDave Airlie 286a21fdd7aSThomas Zimmermann /* Set CRTC; except base address and offset */ 287312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 288a21fdd7aSThomas Zimmermann for (i = 0; i < 12; i++) 289a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 290a21fdd7aSThomas Zimmermann for (i = 14; i < 19; i++) 291a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 292a21fdd7aSThomas Zimmermann for (i = 20; i < 25; i++) 293312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 294312fec14SDave Airlie 295312fec14SDave Airlie /* set AR */ 296312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 297312fec14SDave Airlie for (i = 0; i < 20; i++) { 298312fec14SDave Airlie jreg = stdtable->ar[i]; 299312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 300312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 301312fec14SDave Airlie } 302312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 303312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 304312fec14SDave Airlie 305312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 306312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 307312fec14SDave Airlie 308312fec14SDave Airlie /* Set GR */ 309312fec14SDave Airlie for (i = 0; i < 9; i++) 310312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 311312fec14SDave Airlie } 312312fec14SDave Airlie 313ae37025dSThomas Zimmermann static void ast_set_crtc_reg(struct ast_private *ast, 314ae37025dSThomas Zimmermann struct drm_display_mode *mode, 315312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 316312fec14SDave Airlie { 317312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 3189f93c8b3SY.C. Chen u16 temp, precache = 0; 3199f93c8b3SY.C. Chen 3209f93c8b3SY.C. Chen if ((ast->chip == AST2500) && 3219f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 3229f93c8b3SY.C. Chen precache = 40; 323312fec14SDave Airlie 324312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 325312fec14SDave Airlie 326312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 327312fec14SDave Airlie if (temp & 0x100) 328312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 329312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 330312fec14SDave Airlie 331312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 332312fec14SDave Airlie if (temp & 0x100) 333312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 334312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 335312fec14SDave Airlie 336312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 337312fec14SDave Airlie if (temp & 0x100) 338312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 339312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 340312fec14SDave Airlie 341312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 342312fec14SDave Airlie if (temp & 0x20) 343312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 344312fec14SDave Airlie if (temp & 0x40) 345312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 346312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 347312fec14SDave Airlie 3489f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 349312fec14SDave Airlie if (temp & 0x100) 350312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 351312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 352312fec14SDave Airlie 3539f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 354312fec14SDave Airlie if (temp & 0x20) 355312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 356312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 357312fec14SDave Airlie 358312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 359312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 360312fec14SDave Airlie 361312fec14SDave Airlie /* vert timings */ 362312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 363312fec14SDave Airlie if (temp & 0x100) 364312fec14SDave Airlie jreg07 |= 0x01; 365312fec14SDave Airlie if (temp & 0x200) 366312fec14SDave Airlie jreg07 |= 0x20; 367312fec14SDave Airlie if (temp & 0x400) 368312fec14SDave Airlie jregAE |= 0x01; 369312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 370312fec14SDave Airlie 371312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 372312fec14SDave Airlie if (temp & 0x100) 373312fec14SDave Airlie jreg07 |= 0x04; 374312fec14SDave Airlie if (temp & 0x200) 375312fec14SDave Airlie jreg07 |= 0x80; 376312fec14SDave Airlie if (temp & 0x400) 377312fec14SDave Airlie jregAE |= 0x08; 378312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 379312fec14SDave Airlie 380312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 381312fec14SDave Airlie if (temp & 0x10) 382312fec14SDave Airlie jregAE |= 0x20; 383312fec14SDave Airlie if (temp & 0x20) 384312fec14SDave Airlie jregAE |= 0x40; 385312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 386312fec14SDave Airlie 387312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 388312fec14SDave Airlie if (temp & 0x100) 389312fec14SDave Airlie jreg07 |= 0x02; 390312fec14SDave Airlie if (temp & 0x200) 391312fec14SDave Airlie jreg07 |= 0x40; 392312fec14SDave Airlie if (temp & 0x400) 393312fec14SDave Airlie jregAE |= 0x02; 394312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 395312fec14SDave Airlie 396312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 397312fec14SDave Airlie if (temp & 0x100) 398312fec14SDave Airlie jreg07 |= 0x08; 399312fec14SDave Airlie if (temp & 0x200) 400312fec14SDave Airlie jreg09 |= 0x20; 401312fec14SDave Airlie if (temp & 0x400) 402312fec14SDave Airlie jregAE |= 0x04; 403312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 404312fec14SDave Airlie 405312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 406312fec14SDave Airlie if (temp & 0x100) 407312fec14SDave Airlie jregAE |= 0x10; 408312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 409312fec14SDave Airlie 410312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 411312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 412312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 413312fec14SDave Airlie 4149f93c8b3SY.C. Chen if (precache) 4159f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 4169f93c8b3SY.C. Chen else 4179f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 4189f93c8b3SY.C. Chen 419312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 420312fec14SDave Airlie } 421312fec14SDave Airlie 422ae37025dSThomas Zimmermann static void ast_set_offset_reg(struct ast_private *ast, 423ae37025dSThomas Zimmermann struct drm_framebuffer *fb) 424312fec14SDave Airlie { 425312fec14SDave Airlie u16 offset; 426312fec14SDave Airlie 4277445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 428312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 429312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 430312fec14SDave Airlie } 431312fec14SDave Airlie 432ae37025dSThomas Zimmermann static void ast_set_dclk_reg(struct ast_private *ast, 433ae37025dSThomas Zimmermann struct drm_display_mode *mode, 434312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 435312fec14SDave Airlie { 43622acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 437312fec14SDave Airlie 4389f93c8b3SY.C. Chen if (ast->chip == AST2500) 4399f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4409f93c8b3SY.C. Chen else 441312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 442312fec14SDave Airlie 443312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 444312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 445312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4469f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4479f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 448312fec14SDave Airlie } 449312fec14SDave Airlie 450ae37025dSThomas Zimmermann static void ast_set_color_reg(struct ast_private *ast, 451ae37025dSThomas Zimmermann const struct drm_format_info *format) 452312fec14SDave Airlie { 453312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 454312fec14SDave Airlie 455ae37025dSThomas Zimmermann switch (format->cpp[0] * 8) { 456312fec14SDave Airlie case 8: 457312fec14SDave Airlie jregA0 = 0x70; 458312fec14SDave Airlie jregA3 = 0x01; 459312fec14SDave Airlie jregA8 = 0x00; 460312fec14SDave Airlie break; 461312fec14SDave Airlie case 15: 462312fec14SDave Airlie case 16: 463312fec14SDave Airlie jregA0 = 0x70; 464312fec14SDave Airlie jregA3 = 0x04; 465312fec14SDave Airlie jregA8 = 0x02; 466312fec14SDave Airlie break; 467312fec14SDave Airlie case 32: 468312fec14SDave Airlie jregA0 = 0x70; 469312fec14SDave Airlie jregA3 = 0x08; 470312fec14SDave Airlie jregA8 = 0x02; 471312fec14SDave Airlie break; 472312fec14SDave Airlie } 473312fec14SDave Airlie 474312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 475312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 476312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 4770d45ad98SThomas Zimmermann } 4780d45ad98SThomas Zimmermann 479ae37025dSThomas Zimmermann static void ast_set_crtthd_reg(struct ast_private *ast) 4800d45ad98SThomas Zimmermann { 481312fec14SDave Airlie /* Set Threshold */ 4829f93c8b3SY.C. Chen if (ast->chip == AST2300 || ast->chip == AST2400 || 4839f93c8b3SY.C. Chen ast->chip == AST2500) { 484312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 485312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 486312fec14SDave Airlie } else if (ast->chip == AST2100 || 487312fec14SDave Airlie ast->chip == AST1100 || 488312fec14SDave Airlie ast->chip == AST2200 || 489312fec14SDave Airlie ast->chip == AST2150) { 490312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 491312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 492312fec14SDave Airlie } else { 493312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 494312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 495312fec14SDave Airlie } 496312fec14SDave Airlie } 497312fec14SDave Airlie 498ae37025dSThomas Zimmermann static void ast_set_sync_reg(struct ast_private *ast, 499ae37025dSThomas Zimmermann struct drm_display_mode *mode, 500312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 501312fec14SDave Airlie { 502312fec14SDave Airlie u8 jreg; 503312fec14SDave Airlie 504312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 50594d12b13SY.C. Chen jreg &= ~0xC0; 50694d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 50794d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 508312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 509312fec14SDave Airlie } 510312fec14SDave Airlie 511ae37025dSThomas Zimmermann static void ast_set_start_address_crt1(struct ast_private *ast, 512ae37025dSThomas Zimmermann unsigned offset) 513312fec14SDave Airlie { 514312fec14SDave Airlie u32 addr; 515312fec14SDave Airlie 516312fec14SDave Airlie addr = offset >> 2; 517312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 518312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 519312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 520312fec14SDave Airlie 521312fec14SDave Airlie } 522312fec14SDave Airlie 523a6ff807bSThomas Zimmermann /* 524a6ff807bSThomas Zimmermann * Primary plane 525a6ff807bSThomas Zimmermann */ 526a6ff807bSThomas Zimmermann 527a6ff807bSThomas Zimmermann static const uint32_t ast_primary_plane_formats[] = { 528a6ff807bSThomas Zimmermann DRM_FORMAT_XRGB8888, 529a6ff807bSThomas Zimmermann DRM_FORMAT_RGB565, 530a6ff807bSThomas Zimmermann DRM_FORMAT_C8, 531a6ff807bSThomas Zimmermann }; 532a6ff807bSThomas Zimmermann 533a6ff807bSThomas Zimmermann int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, 534a6ff807bSThomas Zimmermann struct drm_plane_state *state) 535a6ff807bSThomas Zimmermann { 536a6ff807bSThomas Zimmermann return 0; 537a6ff807bSThomas Zimmermann } 538a6ff807bSThomas Zimmermann 539a6ff807bSThomas Zimmermann void ast_primary_plane_helper_atomic_update(struct drm_plane *plane, 540a6ff807bSThomas Zimmermann struct drm_plane_state *old_state) 541a6ff807bSThomas Zimmermann { 5422fbeec03SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 543a6ff807bSThomas Zimmermann struct drm_plane_state *state = plane->state; 544a6ff807bSThomas Zimmermann struct drm_gem_vram_object *gbo; 545a6ff807bSThomas Zimmermann s64 gpu_addr; 546a6ff807bSThomas Zimmermann 547a6ff807bSThomas Zimmermann gbo = drm_gem_vram_of_gem(state->fb->obj[0]); 548a6ff807bSThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 549a6ff807bSThomas Zimmermann if (WARN_ON_ONCE(gpu_addr < 0)) 550a6ff807bSThomas Zimmermann return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ 551a6ff807bSThomas Zimmermann 552ae37025dSThomas Zimmermann ast_set_offset_reg(ast, state->fb); 553ae37025dSThomas Zimmermann ast_set_start_address_crt1(ast, (u32)gpu_addr); 5542fbeec03SThomas Zimmermann 5552fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x00); 5562fbeec03SThomas Zimmermann } 5572fbeec03SThomas Zimmermann 5582fbeec03SThomas Zimmermann static void 5592fbeec03SThomas Zimmermann ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, 5602fbeec03SThomas Zimmermann struct drm_plane_state *old_state) 5612fbeec03SThomas Zimmermann { 5622fbeec03SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 5632fbeec03SThomas Zimmermann 5642fbeec03SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 565a6ff807bSThomas Zimmermann } 566a6ff807bSThomas Zimmermann 567a6ff807bSThomas Zimmermann static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { 568a6ff807bSThomas Zimmermann .prepare_fb = drm_gem_vram_plane_helper_prepare_fb, 569a6ff807bSThomas Zimmermann .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb, 570a6ff807bSThomas Zimmermann .atomic_check = ast_primary_plane_helper_atomic_check, 571a6ff807bSThomas Zimmermann .atomic_update = ast_primary_plane_helper_atomic_update, 5722fbeec03SThomas Zimmermann .atomic_disable = ast_primary_plane_helper_atomic_disable, 573a6ff807bSThomas Zimmermann }; 574a6ff807bSThomas Zimmermann 575a6ff807bSThomas Zimmermann static const struct drm_plane_funcs ast_primary_plane_funcs = { 576a6ff807bSThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 577a6ff807bSThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 578a6ff807bSThomas Zimmermann .destroy = drm_plane_cleanup, 579a6ff807bSThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 580a6ff807bSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 581a6ff807bSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 582a6ff807bSThomas Zimmermann }; 583a6ff807bSThomas Zimmermann 584a6ff807bSThomas Zimmermann /* 58502f3bb75SThomas Zimmermann * Cursor plane 58602f3bb75SThomas Zimmermann */ 58702f3bb75SThomas Zimmermann 58802f3bb75SThomas Zimmermann static const uint32_t ast_cursor_plane_formats[] = { 58902f3bb75SThomas Zimmermann DRM_FORMAT_ARGB8888, 59002f3bb75SThomas Zimmermann }; 59102f3bb75SThomas Zimmermann 59202f3bb75SThomas Zimmermann static int 59302f3bb75SThomas Zimmermann ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane, 59402f3bb75SThomas Zimmermann struct drm_plane_state *new_state) 59502f3bb75SThomas Zimmermann { 59602f3bb75SThomas Zimmermann struct drm_framebuffer *fb = new_state->fb; 59702f3bb75SThomas Zimmermann struct drm_crtc *crtc = new_state->crtc; 59802f3bb75SThomas Zimmermann struct drm_gem_vram_object *gbo; 59902f3bb75SThomas Zimmermann struct ast_private *ast; 60002f3bb75SThomas Zimmermann int ret; 60102f3bb75SThomas Zimmermann void *src, *dst; 60202f3bb75SThomas Zimmermann 60302f3bb75SThomas Zimmermann if (!crtc || !fb) 60402f3bb75SThomas Zimmermann return 0; 60502f3bb75SThomas Zimmermann 60602f3bb75SThomas Zimmermann if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) 60702f3bb75SThomas Zimmermann return -EINVAL; 60802f3bb75SThomas Zimmermann 60902f3bb75SThomas Zimmermann ast = crtc->dev->dev_private; 61002f3bb75SThomas Zimmermann 61102f3bb75SThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 61202f3bb75SThomas Zimmermann src = drm_gem_vram_vmap(gbo); 61302f3bb75SThomas Zimmermann if (IS_ERR(src)) { 61402f3bb75SThomas Zimmermann ret = PTR_ERR(src); 61502f3bb75SThomas Zimmermann goto err_drm_gem_vram_unpin; 61602f3bb75SThomas Zimmermann } 61702f3bb75SThomas Zimmermann 61802f3bb75SThomas Zimmermann dst = drm_gem_vram_vmap(ast->cursor.gbo[ast->cursor.next_index]); 61902f3bb75SThomas Zimmermann if (IS_ERR(dst)) { 62002f3bb75SThomas Zimmermann ret = PTR_ERR(dst); 62102f3bb75SThomas Zimmermann goto err_drm_gem_vram_vunmap_src; 62202f3bb75SThomas Zimmermann } 62302f3bb75SThomas Zimmermann 62402f3bb75SThomas Zimmermann ret = ast_cursor_update(dst, src, fb->width, fb->height); 62502f3bb75SThomas Zimmermann if (ret) 62602f3bb75SThomas Zimmermann goto err_drm_gem_vram_vunmap_dst; 62702f3bb75SThomas Zimmermann 62802f3bb75SThomas Zimmermann /* Always unmap buffers here. Destination buffers are 62902f3bb75SThomas Zimmermann * perma-pinned while the driver is active. We're only 63002f3bb75SThomas Zimmermann * changing ref-counters here. 63102f3bb75SThomas Zimmermann */ 63202f3bb75SThomas Zimmermann drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); 63302f3bb75SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 63402f3bb75SThomas Zimmermann 63502f3bb75SThomas Zimmermann return 0; 63602f3bb75SThomas Zimmermann 63702f3bb75SThomas Zimmermann err_drm_gem_vram_vunmap_dst: 63802f3bb75SThomas Zimmermann drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); 63902f3bb75SThomas Zimmermann err_drm_gem_vram_vunmap_src: 64002f3bb75SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 64102f3bb75SThomas Zimmermann err_drm_gem_vram_unpin: 64202f3bb75SThomas Zimmermann drm_gem_vram_unpin(gbo); 64302f3bb75SThomas Zimmermann return ret; 64402f3bb75SThomas Zimmermann } 64502f3bb75SThomas Zimmermann 64602f3bb75SThomas Zimmermann static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, 64702f3bb75SThomas Zimmermann struct drm_plane_state *state) 64802f3bb75SThomas Zimmermann { 64902f3bb75SThomas Zimmermann return 0; 65002f3bb75SThomas Zimmermann } 65102f3bb75SThomas Zimmermann 65202f3bb75SThomas Zimmermann static void 65302f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, 65402f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 65502f3bb75SThomas Zimmermann { 65602f3bb75SThomas Zimmermann struct drm_plane_state *state = plane->state; 65702f3bb75SThomas Zimmermann struct drm_crtc *crtc = state->crtc; 65802f3bb75SThomas Zimmermann struct drm_framebuffer *fb = state->fb; 65902f3bb75SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 66002f3bb75SThomas Zimmermann struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 66102f3bb75SThomas Zimmermann struct drm_gem_vram_object *gbo; 66202f3bb75SThomas Zimmermann s64 off; 66302f3bb75SThomas Zimmermann u8 jreg; 66402f3bb75SThomas Zimmermann 66502f3bb75SThomas Zimmermann ast_crtc->offset_x = AST_MAX_HWC_WIDTH - fb->width; 66602f3bb75SThomas Zimmermann ast_crtc->offset_y = AST_MAX_HWC_WIDTH - fb->height; 66702f3bb75SThomas Zimmermann 66802f3bb75SThomas Zimmermann if (state->fb != old_state->fb) { 66902f3bb75SThomas Zimmermann /* A new cursor image was installed. */ 67002f3bb75SThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 67102f3bb75SThomas Zimmermann off = drm_gem_vram_offset(gbo); 67202f3bb75SThomas Zimmermann if (WARN_ON_ONCE(off < 0)) 67302f3bb75SThomas Zimmermann return; /* Bug: we didn't pin cursor HW BO to VRAM. */ 67402f3bb75SThomas Zimmermann ast_cursor_set_base(ast, off); 67502f3bb75SThomas Zimmermann 67602f3bb75SThomas Zimmermann ++ast->cursor.next_index; 67702f3bb75SThomas Zimmermann ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); 67802f3bb75SThomas Zimmermann } 67902f3bb75SThomas Zimmermann 68002f3bb75SThomas Zimmermann ast_cursor_move(crtc, state->crtc_x, state->crtc_y); 68102f3bb75SThomas Zimmermann 68202f3bb75SThomas Zimmermann jreg = 0x2; 68302f3bb75SThomas Zimmermann /* enable ARGB cursor */ 68402f3bb75SThomas Zimmermann jreg |= 1; 68502f3bb75SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 68602f3bb75SThomas Zimmermann } 68702f3bb75SThomas Zimmermann 68802f3bb75SThomas Zimmermann static void 68902f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, 69002f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 69102f3bb75SThomas Zimmermann { 69202f3bb75SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 69302f3bb75SThomas Zimmermann 69402f3bb75SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); 69502f3bb75SThomas Zimmermann } 69602f3bb75SThomas Zimmermann 69702f3bb75SThomas Zimmermann static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { 69802f3bb75SThomas Zimmermann .prepare_fb = ast_cursor_plane_helper_prepare_fb, 69902f3bb75SThomas Zimmermann .cleanup_fb = NULL, /* not required for cursor plane */ 70002f3bb75SThomas Zimmermann .atomic_check = ast_cursor_plane_helper_atomic_check, 70102f3bb75SThomas Zimmermann .atomic_update = ast_cursor_plane_helper_atomic_update, 70202f3bb75SThomas Zimmermann .atomic_disable = ast_cursor_plane_helper_atomic_disable, 70302f3bb75SThomas Zimmermann }; 70402f3bb75SThomas Zimmermann 70502f3bb75SThomas Zimmermann static const struct drm_plane_funcs ast_cursor_plane_funcs = { 70602f3bb75SThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 70702f3bb75SThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 70802f3bb75SThomas Zimmermann .destroy = drm_plane_cleanup, 70902f3bb75SThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 71002f3bb75SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 71102f3bb75SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 71202f3bb75SThomas Zimmermann }; 71302f3bb75SThomas Zimmermann 71402f3bb75SThomas Zimmermann /* 715a6ff807bSThomas Zimmermann * CRTC 716a6ff807bSThomas Zimmermann */ 717a6ff807bSThomas Zimmermann 718312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 719312fec14SDave Airlie { 720312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 721312fec14SDave Airlie 722312fec14SDave Airlie if (ast->chip == AST1180) 723312fec14SDave Airlie return; 724312fec14SDave Airlie 7252fbeec03SThomas Zimmermann /* TODO: Maybe control display signal generation with 7262fbeec03SThomas Zimmermann * Sync Enable (bit CR17.7). 7272fbeec03SThomas Zimmermann */ 728312fec14SDave Airlie switch (mode) { 729312fec14SDave Airlie case DRM_MODE_DPMS_ON: 730312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 731312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 73283c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 73383c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 734ae37025dSThomas Zimmermann ast_crtc_load_lut(ast, crtc); 735312fec14SDave Airlie break; 736312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 73783c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 73883c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 739312fec14SDave Airlie break; 740312fec14SDave Airlie } 741312fec14SDave Airlie } 742312fec14SDave Airlie 743b48e1b6fSThomas Zimmermann static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, 744b48e1b6fSThomas Zimmermann struct drm_crtc_state *state) 745b48e1b6fSThomas Zimmermann { 746b48e1b6fSThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 747b48e1b6fSThomas Zimmermann struct drm_plane_state *plane_state; 748b48e1b6fSThomas Zimmermann bool succ; 749b48e1b6fSThomas Zimmermann struct drm_display_mode adjusted_mode; 750b48e1b6fSThomas Zimmermann struct ast_vbios_mode_info vbios_mode; 751b48e1b6fSThomas Zimmermann 752b48e1b6fSThomas Zimmermann if (ast->chip == AST1180) { 753b48e1b6fSThomas Zimmermann DRM_ERROR("AST 1180 modesetting not supported\n"); 754b48e1b6fSThomas Zimmermann return -EINVAL; 755b48e1b6fSThomas Zimmermann } 756b48e1b6fSThomas Zimmermann 757b48e1b6fSThomas Zimmermann plane_state = crtc->primary->state; 758b48e1b6fSThomas Zimmermann 759b48e1b6fSThomas Zimmermann if (plane_state && plane_state->fb) { 760ae37025dSThomas Zimmermann succ = ast_get_vbios_mode_info(plane_state->fb->format, 761ae37025dSThomas Zimmermann &state->mode, &adjusted_mode, 762ae37025dSThomas Zimmermann &vbios_mode); 763b48e1b6fSThomas Zimmermann if (!succ) 764b48e1b6fSThomas Zimmermann return -EINVAL; 765b48e1b6fSThomas Zimmermann } 766b48e1b6fSThomas Zimmermann 767b48e1b6fSThomas Zimmermann return 0; 768b48e1b6fSThomas Zimmermann } 769b48e1b6fSThomas Zimmermann 770b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_begin(struct drm_crtc *crtc, 771b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 772b48e1b6fSThomas Zimmermann { 773b48e1b6fSThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 774b48e1b6fSThomas Zimmermann 775b48e1b6fSThomas Zimmermann ast_open_key(ast); 776b48e1b6fSThomas Zimmermann } 777b48e1b6fSThomas Zimmermann 778b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, 779b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 780b48e1b6fSThomas Zimmermann { 78171d873ccSThomas Zimmermann struct drm_device *dev = crtc->dev; 78271d873ccSThomas Zimmermann struct ast_private *ast = dev->dev_private; 783b48e1b6fSThomas Zimmermann const struct drm_framebuffer *fb = crtc->primary->state->fb; 784ae37025dSThomas Zimmermann const struct drm_format_info *format; 785b48e1b6fSThomas Zimmermann struct drm_display_mode adjusted_mode; 786b48e1b6fSThomas Zimmermann struct ast_vbios_mode_info vbios_mode; 787b48e1b6fSThomas Zimmermann bool succ; 788b48e1b6fSThomas Zimmermann 789b48e1b6fSThomas Zimmermann crtc->state->no_vblank = true; 790b48e1b6fSThomas Zimmermann 791b48e1b6fSThomas Zimmermann if (!fb) 792b48e1b6fSThomas Zimmermann return; 793b48e1b6fSThomas Zimmermann 794ae37025dSThomas Zimmermann format = fb->format; 795ae37025dSThomas Zimmermann 79671d873ccSThomas Zimmermann memset(&adjusted_mode, 0, sizeof(adjusted_mode)); 79771d873ccSThomas Zimmermann drm_mode_copy(&adjusted_mode, &crtc->state->adjusted_mode); 79871d873ccSThomas Zimmermann 799ae37025dSThomas Zimmermann succ = ast_get_vbios_mode_info(format, 800ae37025dSThomas Zimmermann &crtc->state->adjusted_mode, 80171d873ccSThomas Zimmermann &adjusted_mode, &vbios_mode); 80271d873ccSThomas Zimmermann if (WARN_ON_ONCE(!succ)) 80371d873ccSThomas Zimmermann return; /* BUG: didn't validate this in atomic_check() */ 80471d873ccSThomas Zimmermann 805ae37025dSThomas Zimmermann ast_set_color_reg(ast, format); 806ae37025dSThomas Zimmermann ast_set_vbios_color_reg(ast, format, &vbios_mode); 807b48e1b6fSThomas Zimmermann 80871d873ccSThomas Zimmermann if (!crtc->state->mode_changed) 809b48e1b6fSThomas Zimmermann return; 810b48e1b6fSThomas Zimmermann 811ae37025dSThomas Zimmermann ast_set_vbios_mode_reg(ast, &adjusted_mode, &vbios_mode); 812b48e1b6fSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 813ae37025dSThomas Zimmermann ast_set_std_reg(ast, &adjusted_mode, &vbios_mode); 814ae37025dSThomas Zimmermann ast_set_crtc_reg(ast, &adjusted_mode, &vbios_mode); 815ae37025dSThomas Zimmermann ast_set_dclk_reg(ast, &adjusted_mode, &vbios_mode); 816ae37025dSThomas Zimmermann ast_set_crtthd_reg(ast); 817ae37025dSThomas Zimmermann ast_set_sync_reg(ast, &adjusted_mode, &vbios_mode); 81871d873ccSThomas Zimmermann } 819b48e1b6fSThomas Zimmermann 82071d873ccSThomas Zimmermann static void 82171d873ccSThomas Zimmermann ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, 82271d873ccSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 82371d873ccSThomas Zimmermann { 824b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 825b48e1b6fSThomas Zimmermann } 826b48e1b6fSThomas Zimmermann 827b48e1b6fSThomas Zimmermann static void 828b48e1b6fSThomas Zimmermann ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, 829b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 830b48e1b6fSThomas Zimmermann { 831b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 832b48e1b6fSThomas Zimmermann } 833312fec14SDave Airlie 834312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 835b48e1b6fSThomas Zimmermann .atomic_check = ast_crtc_helper_atomic_check, 836b48e1b6fSThomas Zimmermann .atomic_begin = ast_crtc_helper_atomic_begin, 837b48e1b6fSThomas Zimmermann .atomic_flush = ast_crtc_helper_atomic_flush, 838b48e1b6fSThomas Zimmermann .atomic_enable = ast_crtc_helper_atomic_enable, 839b48e1b6fSThomas Zimmermann .atomic_disable = ast_crtc_helper_atomic_disable, 840312fec14SDave Airlie }; 841312fec14SDave Airlie 842312fec14SDave Airlie static void ast_crtc_destroy(struct drm_crtc *crtc) 843312fec14SDave Airlie { 844312fec14SDave Airlie drm_crtc_cleanup(crtc); 845312fec14SDave Airlie kfree(crtc); 846312fec14SDave Airlie } 847312fec14SDave Airlie 848312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 8494961eb60SThomas Zimmermann .reset = drm_atomic_helper_crtc_reset, 850312fec14SDave Airlie .set_config = drm_crtc_helper_set_config, 8514961eb60SThomas Zimmermann .gamma_set = drm_atomic_helper_legacy_gamma_set, 852312fec14SDave Airlie .destroy = ast_crtc_destroy, 8534961eb60SThomas Zimmermann .set_config = drm_atomic_helper_set_config, 8544961eb60SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, 855b48e1b6fSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 856b48e1b6fSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 857312fec14SDave Airlie }; 858312fec14SDave Airlie 8597f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 860312fec14SDave Airlie { 861a6ff807bSThomas Zimmermann struct ast_private *ast = dev->dev_private; 862312fec14SDave Airlie struct ast_crtc *crtc; 863a6ff807bSThomas Zimmermann int ret; 864312fec14SDave Airlie 865312fec14SDave Airlie crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); 866312fec14SDave Airlie if (!crtc) 867312fec14SDave Airlie return -ENOMEM; 868312fec14SDave Airlie 869a6ff807bSThomas Zimmermann ret = drm_crtc_init_with_planes(dev, &crtc->base, &ast->primary_plane, 87002f3bb75SThomas Zimmermann &ast->cursor_plane, &ast_crtc_funcs, 87102f3bb75SThomas Zimmermann NULL); 872a6ff807bSThomas Zimmermann if (ret) 873a6ff807bSThomas Zimmermann goto err_kfree; 874a6ff807bSThomas Zimmermann 875312fec14SDave Airlie drm_mode_crtc_set_gamma_size(&crtc->base, 256); 876312fec14SDave Airlie drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); 877312fec14SDave Airlie return 0; 878a6ff807bSThomas Zimmermann 879a6ff807bSThomas Zimmermann err_kfree: 880a6ff807bSThomas Zimmermann kfree(crtc); 881a6ff807bSThomas Zimmermann return ret; 882312fec14SDave Airlie } 883312fec14SDave Airlie 8844961eb60SThomas Zimmermann /* 8854961eb60SThomas Zimmermann * Encoder 8864961eb60SThomas Zimmermann */ 8874961eb60SThomas Zimmermann 888312fec14SDave Airlie static void ast_encoder_destroy(struct drm_encoder *encoder) 889312fec14SDave Airlie { 890312fec14SDave Airlie drm_encoder_cleanup(encoder); 891312fec14SDave Airlie kfree(encoder); 892312fec14SDave Airlie } 893312fec14SDave Airlie 894312fec14SDave Airlie static const struct drm_encoder_funcs ast_enc_funcs = { 895312fec14SDave Airlie .destroy = ast_encoder_destroy, 896312fec14SDave Airlie }; 897312fec14SDave Airlie 8987f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 899312fec14SDave Airlie { 900312fec14SDave Airlie struct ast_encoder *ast_encoder; 901312fec14SDave Airlie 902312fec14SDave Airlie ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL); 903312fec14SDave Airlie if (!ast_encoder) 904312fec14SDave Airlie return -ENOMEM; 905312fec14SDave Airlie 906312fec14SDave Airlie drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, 90713a3d91fSVille Syrjälä DRM_MODE_ENCODER_DAC, NULL); 908312fec14SDave Airlie 909312fec14SDave Airlie ast_encoder->base.possible_crtcs = 1; 910312fec14SDave Airlie return 0; 911312fec14SDave Airlie } 912312fec14SDave Airlie 9134961eb60SThomas Zimmermann /* 9144961eb60SThomas Zimmermann * Connector 9154961eb60SThomas Zimmermann */ 9164961eb60SThomas Zimmermann 917312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 918312fec14SDave Airlie { 919312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 92083c6620bSDave Airlie struct ast_private *ast = connector->dev->dev_private; 921312fec14SDave Airlie struct edid *edid; 922312fec14SDave Airlie int ret; 92383c6620bSDave Airlie bool flags = false; 92483c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 92583c6620bSDave Airlie ast->dp501_maxclk = 0xff; 92683c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 92783c6620bSDave Airlie if (!edid) 92883c6620bSDave Airlie return -ENOMEM; 929312fec14SDave Airlie 93083c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 93183c6620bSDave Airlie if (flags) 93283c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 93383c6620bSDave Airlie else 93483c6620bSDave Airlie kfree(edid); 93583c6620bSDave Airlie } 93683c6620bSDave Airlie if (!flags) 937312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 938312fec14SDave Airlie if (edid) { 939c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 940312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 941993dcb05SJani Nikula kfree(edid); 942312fec14SDave Airlie return ret; 943312fec14SDave Airlie } else 944c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 945312fec14SDave Airlie return 0; 946312fec14SDave Airlie } 947312fec14SDave Airlie 948602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 949312fec14SDave Airlie struct drm_display_mode *mode) 950312fec14SDave Airlie { 951f1f62f2cSDave Airlie struct ast_private *ast = connector->dev->dev_private; 952f1f62f2cSDave Airlie int flags = MODE_NOMODE; 953f1f62f2cSDave Airlie uint32_t jtemp; 954f1f62f2cSDave Airlie 955f1f62f2cSDave Airlie if (ast->support_wide_screen) { 956f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 957312fec14SDave Airlie return MODE_OK; 958f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 959f1f62f2cSDave Airlie return MODE_OK; 960f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 961f1f62f2cSDave Airlie return MODE_OK; 962f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 963f1f62f2cSDave Airlie return MODE_OK; 964f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 965f1f62f2cSDave Airlie return MODE_OK; 966f1f62f2cSDave Airlie 9679f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 9689f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 9699f93c8b3SY.C. Chen (ast->chip == AST2500) || (ast->chip == AST1180)) { 970f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 971f1f62f2cSDave Airlie return MODE_OK; 972f1f62f2cSDave Airlie 973f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 974f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 975f1f62f2cSDave Airlie if (jtemp & 0x01) 976f1f62f2cSDave Airlie return MODE_NOMODE; 977f1f62f2cSDave Airlie else 978f1f62f2cSDave Airlie return MODE_OK; 979f1f62f2cSDave Airlie } 980f1f62f2cSDave Airlie } 981f1f62f2cSDave Airlie } 982f1f62f2cSDave Airlie switch (mode->hdisplay) { 983f1f62f2cSDave Airlie case 640: 984f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 985f1f62f2cSDave Airlie break; 986f1f62f2cSDave Airlie case 800: 987f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 988f1f62f2cSDave Airlie break; 989f1f62f2cSDave Airlie case 1024: 990f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 991f1f62f2cSDave Airlie break; 992f1f62f2cSDave Airlie case 1280: 993f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 994f1f62f2cSDave Airlie break; 995f1f62f2cSDave Airlie case 1600: 996f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 997f1f62f2cSDave Airlie break; 998f1f62f2cSDave Airlie default: 999f1f62f2cSDave Airlie return flags; 1000f1f62f2cSDave Airlie } 1001f1f62f2cSDave Airlie 1002f1f62f2cSDave Airlie return flags; 1003312fec14SDave Airlie } 1004312fec14SDave Airlie 1005312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 1006312fec14SDave Airlie { 1007312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 1008312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 100934ea3d38SThomas Wood drm_connector_unregister(connector); 1010312fec14SDave Airlie drm_connector_cleanup(connector); 1011312fec14SDave Airlie kfree(connector); 1012312fec14SDave Airlie } 1013312fec14SDave Airlie 1014312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 1015312fec14SDave Airlie .get_modes = ast_get_modes, 10164961eb60SThomas Zimmermann .mode_valid = ast_mode_valid, 1017312fec14SDave Airlie }; 1018312fec14SDave Airlie 1019312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 10204961eb60SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 1021312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 1022312fec14SDave Airlie .destroy = ast_connector_destroy, 10234961eb60SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 10244961eb60SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1025312fec14SDave Airlie }; 1026312fec14SDave Airlie 10277f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 1028312fec14SDave Airlie { 1029312fec14SDave Airlie struct ast_connector *ast_connector; 1030312fec14SDave Airlie struct drm_connector *connector; 1031312fec14SDave Airlie struct drm_encoder *encoder; 1032312fec14SDave Airlie 1033312fec14SDave Airlie ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); 1034312fec14SDave Airlie if (!ast_connector) 1035312fec14SDave Airlie return -ENOMEM; 1036312fec14SDave Airlie 1037312fec14SDave Airlie connector = &ast_connector->base; 1038350fd554SAndrzej Pietrasiewicz ast_connector->i2c = ast_i2c_create(dev); 1039350fd554SAndrzej Pietrasiewicz if (!ast_connector->i2c) 1040350fd554SAndrzej Pietrasiewicz DRM_ERROR("failed to add ddc bus for connector\n"); 1041350fd554SAndrzej Pietrasiewicz 1042350fd554SAndrzej Pietrasiewicz drm_connector_init_with_ddc(dev, connector, 1043350fd554SAndrzej Pietrasiewicz &ast_connector_funcs, 1044350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 1045350fd554SAndrzej Pietrasiewicz &ast_connector->i2c->adapter); 1046312fec14SDave Airlie 1047312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 1048312fec14SDave Airlie 1049312fec14SDave Airlie connector->interlace_allowed = 0; 1050312fec14SDave Airlie connector->doublescan_allowed = 0; 1051312fec14SDave Airlie 105234ea3d38SThomas Wood drm_connector_register(connector); 1053312fec14SDave Airlie 1054312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1055312fec14SDave Airlie 1056312fec14SDave Airlie encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); 1057cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 1058312fec14SDave Airlie 1059312fec14SDave Airlie return 0; 1060312fec14SDave Airlie } 1061312fec14SDave Airlie 1062312fec14SDave Airlie /* allocate cursor cache and pin at start of VRAM */ 10637f5ccd44SRashika static int ast_cursor_init(struct drm_device *dev) 1064312fec14SDave Airlie { 1065312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 10660090ef3eSThomas Zimmermann size_t size, i; 10675b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 10680090ef3eSThomas Zimmermann int ret; 1069312fec14SDave Airlie 10700090ef3eSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 1071312fec14SDave Airlie 10720090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 10730090ef3eSThomas Zimmermann gbo = drm_gem_vram_create(dev, &dev->vram_mm->bdev, 10740090ef3eSThomas Zimmermann size, 0, false); 10750090ef3eSThomas Zimmermann if (IS_ERR(gbo)) { 10760090ef3eSThomas Zimmermann ret = PTR_ERR(gbo); 10770090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 10780090ef3eSThomas Zimmermann } 10790090ef3eSThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | 10800090ef3eSThomas Zimmermann DRM_GEM_VRAM_PL_FLAG_TOPDOWN); 10810090ef3eSThomas Zimmermann if (ret) { 10820090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 10830090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 10845b370979SThomas Zimmermann } 1085312fec14SDave Airlie 10860090ef3eSThomas Zimmermann ast->cursor.gbo[i] = gbo; 10873f87330eSThomas Zimmermann } 1088312fec14SDave Airlie 1089312fec14SDave Airlie return 0; 10900090ef3eSThomas Zimmermann 10910090ef3eSThomas Zimmermann err_drm_gem_vram_put: 10920090ef3eSThomas Zimmermann while (i) { 10930090ef3eSThomas Zimmermann --i; 10940090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 10950090ef3eSThomas Zimmermann drm_gem_vram_unpin(gbo); 10960090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 10970090ef3eSThomas Zimmermann ast->cursor.gbo[i] = NULL; 10980090ef3eSThomas Zimmermann } 1099312fec14SDave Airlie return ret; 1100312fec14SDave Airlie } 1101312fec14SDave Airlie 11027f5ccd44SRashika static void ast_cursor_fini(struct drm_device *dev) 1103312fec14SDave Airlie { 1104312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 11050090ef3eSThomas Zimmermann size_t i; 11060090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 11070090ef3eSThomas Zimmermann 11080090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 11090090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 11104d7553c3SThomas Zimmermann drm_gem_vram_unpin(gbo); 11110090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11120090ef3eSThomas Zimmermann } 1113312fec14SDave Airlie } 1114312fec14SDave Airlie 1115312fec14SDave Airlie int ast_mode_init(struct drm_device *dev) 1116312fec14SDave Airlie { 1117a6ff807bSThomas Zimmermann struct ast_private *ast = dev->dev_private; 1118a6ff807bSThomas Zimmermann int ret; 1119a6ff807bSThomas Zimmermann 1120a6ff807bSThomas Zimmermann memset(&ast->primary_plane, 0, sizeof(ast->primary_plane)); 1121a6ff807bSThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01, 1122a6ff807bSThomas Zimmermann &ast_primary_plane_funcs, 1123a6ff807bSThomas Zimmermann ast_primary_plane_formats, 1124a6ff807bSThomas Zimmermann ARRAY_SIZE(ast_primary_plane_formats), 1125a6ff807bSThomas Zimmermann NULL, DRM_PLANE_TYPE_PRIMARY, NULL); 1126a6ff807bSThomas Zimmermann if (ret) { 1127a6ff807bSThomas Zimmermann DRM_ERROR("ast: drm_universal_plane_init() failed: %d\n", ret); 1128a6ff807bSThomas Zimmermann return ret; 1129a6ff807bSThomas Zimmermann } 1130a6ff807bSThomas Zimmermann drm_plane_helper_add(&ast->primary_plane, 1131a6ff807bSThomas Zimmermann &ast_primary_plane_helper_funcs); 1132a6ff807bSThomas Zimmermann 113302f3bb75SThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->cursor_plane, 0x01, 113402f3bb75SThomas Zimmermann &ast_cursor_plane_funcs, 113502f3bb75SThomas Zimmermann ast_cursor_plane_formats, 113602f3bb75SThomas Zimmermann ARRAY_SIZE(ast_cursor_plane_formats), 113702f3bb75SThomas Zimmermann NULL, DRM_PLANE_TYPE_CURSOR, NULL); 113802f3bb75SThomas Zimmermann if (ret) { 113902f3bb75SThomas Zimmermann DRM_ERROR("drm_universal_plane_failed(): %d\n", ret); 114002f3bb75SThomas Zimmermann return ret; 114102f3bb75SThomas Zimmermann } 114202f3bb75SThomas Zimmermann drm_plane_helper_add(&ast->cursor_plane, 114302f3bb75SThomas Zimmermann &ast_cursor_plane_helper_funcs); 114402f3bb75SThomas Zimmermann 1145312fec14SDave Airlie ast_cursor_init(dev); 1146312fec14SDave Airlie ast_crtc_init(dev); 1147312fec14SDave Airlie ast_encoder_init(dev); 1148312fec14SDave Airlie ast_connector_init(dev); 1149a6ff807bSThomas Zimmermann 1150312fec14SDave Airlie return 0; 1151312fec14SDave Airlie } 1152312fec14SDave Airlie 1153312fec14SDave Airlie void ast_mode_fini(struct drm_device *dev) 1154312fec14SDave Airlie { 1155312fec14SDave Airlie ast_cursor_fini(dev); 1156312fec14SDave Airlie } 1157312fec14SDave Airlie 1158312fec14SDave Airlie static int get_clock(void *i2c_priv) 1159312fec14SDave Airlie { 1160312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1161312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 116230062562SY.C. Chen uint32_t val, val2, count, pass; 1163312fec14SDave Airlie 116430062562SY.C. Chen count = 0; 116530062562SY.C. Chen pass = 0; 116630062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 116730062562SY.C. Chen do { 116830062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 116930062562SY.C. Chen if (val == val2) { 117030062562SY.C. Chen pass++; 117130062562SY.C. Chen } else { 117230062562SY.C. Chen pass = 0; 117330062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 117430062562SY.C. Chen } 117530062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 117630062562SY.C. Chen 1177312fec14SDave Airlie return val & 1 ? 1 : 0; 1178312fec14SDave Airlie } 1179312fec14SDave Airlie 1180312fec14SDave Airlie static int get_data(void *i2c_priv) 1181312fec14SDave Airlie { 1182312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1183312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 118430062562SY.C. Chen uint32_t val, val2, count, pass; 1185312fec14SDave Airlie 118630062562SY.C. Chen count = 0; 118730062562SY.C. Chen pass = 0; 118830062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 118930062562SY.C. Chen do { 119030062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 119130062562SY.C. Chen if (val == val2) { 119230062562SY.C. Chen pass++; 119330062562SY.C. Chen } else { 119430062562SY.C. Chen pass = 0; 119530062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 119630062562SY.C. Chen } 119730062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 119830062562SY.C. Chen 1199312fec14SDave Airlie return val & 1 ? 1 : 0; 1200312fec14SDave Airlie } 1201312fec14SDave Airlie 1202312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 1203312fec14SDave Airlie { 1204312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1205312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1206312fec14SDave Airlie int i; 1207312fec14SDave Airlie u8 ujcrb7, jtemp; 1208312fec14SDave Airlie 1209312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1210312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 121130062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1212312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1213312fec14SDave Airlie if (ujcrb7 == jtemp) 1214312fec14SDave Airlie break; 1215312fec14SDave Airlie } 1216312fec14SDave Airlie } 1217312fec14SDave Airlie 1218312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1219312fec14SDave Airlie { 1220312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1221312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1222312fec14SDave Airlie int i; 1223312fec14SDave Airlie u8 ujcrb7, jtemp; 1224312fec14SDave Airlie 1225312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1226312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 122730062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1228312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1229312fec14SDave Airlie if (ujcrb7 == jtemp) 1230312fec14SDave Airlie break; 1231312fec14SDave Airlie } 1232312fec14SDave Airlie } 1233312fec14SDave Airlie 1234312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1235312fec14SDave Airlie { 1236312fec14SDave Airlie struct ast_i2c_chan *i2c; 1237312fec14SDave Airlie int ret; 1238312fec14SDave Airlie 1239312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1240312fec14SDave Airlie if (!i2c) 1241312fec14SDave Airlie return NULL; 1242312fec14SDave Airlie 1243312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1244312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1245312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1246312fec14SDave Airlie i2c->dev = dev; 1247312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1248312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1249312fec14SDave Airlie "AST i2c bit bus"); 1250312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1251312fec14SDave Airlie 1252312fec14SDave Airlie i2c->bit.udelay = 20; 1253312fec14SDave Airlie i2c->bit.timeout = 2; 1254312fec14SDave Airlie i2c->bit.data = i2c; 1255312fec14SDave Airlie i2c->bit.setsda = set_data; 1256312fec14SDave Airlie i2c->bit.setscl = set_clock; 1257312fec14SDave Airlie i2c->bit.getsda = get_data; 1258312fec14SDave Airlie i2c->bit.getscl = get_clock; 1259312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1260312fec14SDave Airlie if (ret) { 1261312fec14SDave Airlie DRM_ERROR("Failed to register bit i2c\n"); 1262312fec14SDave Airlie goto out_free; 1263312fec14SDave Airlie } 1264312fec14SDave Airlie 1265312fec14SDave Airlie return i2c; 1266312fec14SDave Airlie out_free: 1267312fec14SDave Airlie kfree(i2c); 1268312fec14SDave Airlie return NULL; 1269312fec14SDave Airlie } 1270312fec14SDave Airlie 1271312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1272312fec14SDave Airlie { 1273312fec14SDave Airlie if (!i2c) 1274312fec14SDave Airlie return; 1275312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1276312fec14SDave Airlie kfree(i2c); 1277312fec14SDave Airlie } 1278312fec14SDave Airlie 1279312fec14SDave Airlie static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) 1280312fec14SDave Airlie { 1281312fec14SDave Airlie union { 1282312fec14SDave Airlie u32 ul; 1283312fec14SDave Airlie u8 b[4]; 1284312fec14SDave Airlie } srcdata32[2], data32; 1285312fec14SDave Airlie union { 1286312fec14SDave Airlie u16 us; 1287312fec14SDave Airlie u8 b[2]; 1288312fec14SDave Airlie } data16; 1289312fec14SDave Airlie u32 csum = 0; 1290312fec14SDave Airlie s32 alpha_dst_delta, last_alpha_dst_delta; 1291312fec14SDave Airlie u8 *srcxor, *dstxor; 1292312fec14SDave Airlie int i, j; 1293312fec14SDave Airlie u32 per_pixel_copy, two_pixel_copy; 1294312fec14SDave Airlie 1295312fec14SDave Airlie alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 1296312fec14SDave Airlie last_alpha_dst_delta = alpha_dst_delta - (width << 1); 1297312fec14SDave Airlie 1298312fec14SDave Airlie srcxor = src; 1299312fec14SDave Airlie dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 1300312fec14SDave Airlie per_pixel_copy = width & 1; 1301312fec14SDave Airlie two_pixel_copy = width >> 1; 1302312fec14SDave Airlie 1303312fec14SDave Airlie for (j = 0; j < height; j++) { 1304312fec14SDave Airlie for (i = 0; i < two_pixel_copy; i++) { 1305312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1306312fec14SDave Airlie srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 1307312fec14SDave Airlie data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1308312fec14SDave Airlie data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 13091e99cfa8SBenjamin Herrenschmidt data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 13101e99cfa8SBenjamin Herrenschmidt data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 1311312fec14SDave Airlie 1312312fec14SDave Airlie writel(data32.ul, dstxor); 1313312fec14SDave Airlie csum += data32.ul; 1314312fec14SDave Airlie 1315312fec14SDave Airlie dstxor += 4; 1316312fec14SDave Airlie srcxor += 8; 1317312fec14SDave Airlie 1318312fec14SDave Airlie } 1319312fec14SDave Airlie 1320312fec14SDave Airlie for (i = 0; i < per_pixel_copy; i++) { 1321312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1322312fec14SDave Airlie data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1323312fec14SDave Airlie data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 1324312fec14SDave Airlie writew(data16.us, dstxor); 1325312fec14SDave Airlie csum += (u32)data16.us; 1326312fec14SDave Airlie 1327312fec14SDave Airlie dstxor += 2; 1328312fec14SDave Airlie srcxor += 4; 1329312fec14SDave Airlie } 1330312fec14SDave Airlie dstxor += last_alpha_dst_delta; 1331312fec14SDave Airlie } 1332312fec14SDave Airlie return csum; 1333312fec14SDave Airlie } 1334312fec14SDave Airlie 13352f5989fcSThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 13362f5989fcSThomas Zimmermann unsigned int height) 13372f5989fcSThomas Zimmermann { 13382f5989fcSThomas Zimmermann u32 csum; 13392f5989fcSThomas Zimmermann 13402f5989fcSThomas Zimmermann /* do data transfer to cursor cache */ 13412f5989fcSThomas Zimmermann csum = copy_cursor_image(src, dst, width, height); 13422f5989fcSThomas Zimmermann 13432f5989fcSThomas Zimmermann /* write checksum + signature */ 13442f5989fcSThomas Zimmermann dst += AST_HWC_SIZE; 13452f5989fcSThomas Zimmermann writel(csum, dst); 13462f5989fcSThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 13472f5989fcSThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 13482f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 13492f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 13502f5989fcSThomas Zimmermann 13512f5989fcSThomas Zimmermann return 0; 13522f5989fcSThomas Zimmermann } 13532f5989fcSThomas Zimmermann 13542f5989fcSThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address) 13552f5989fcSThomas Zimmermann { 13562f5989fcSThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 13572f5989fcSThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 13582f5989fcSThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 13592f5989fcSThomas Zimmermann 13602f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 13612f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 13622f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 13632f5989fcSThomas Zimmermann } 13642f5989fcSThomas Zimmermann 1365312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 1366312fec14SDave Airlie int x, int y) 1367312fec14SDave Airlie { 1368312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1369312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 13700090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 1371312fec14SDave Airlie int x_offset, y_offset; 13720090ef3eSThomas Zimmermann u8 *dst, *sig; 137396a49f39SThomas Zimmermann u8 jreg; 1374312fec14SDave Airlie 13750090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 13760090ef3eSThomas Zimmermann dst = drm_gem_vram_vmap(gbo); 13770090ef3eSThomas Zimmermann if (IS_ERR(dst)) 13780090ef3eSThomas Zimmermann return PTR_ERR(dst); 13790090ef3eSThomas Zimmermann 13800090ef3eSThomas Zimmermann sig = dst + AST_HWC_SIZE; 1381312fec14SDave Airlie writel(x, sig + AST_HWC_SIGNATURE_X); 1382312fec14SDave Airlie writel(y, sig + AST_HWC_SIGNATURE_Y); 1383312fec14SDave Airlie 1384312fec14SDave Airlie x_offset = ast_crtc->offset_x; 1385312fec14SDave Airlie y_offset = ast_crtc->offset_y; 1386312fec14SDave Airlie if (x < 0) { 1387312fec14SDave Airlie x_offset = (-x) + ast_crtc->offset_x; 1388312fec14SDave Airlie x = 0; 1389312fec14SDave Airlie } 1390312fec14SDave Airlie 1391312fec14SDave Airlie if (y < 0) { 1392312fec14SDave Airlie y_offset = (-y) + ast_crtc->offset_y; 1393312fec14SDave Airlie y = 0; 1394312fec14SDave Airlie } 1395312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 1396312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 1397312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); 1398312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); 1399312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); 1400312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); 1401312fec14SDave Airlie 1402312fec14SDave Airlie /* dummy write to fire HWC */ 140396a49f39SThomas Zimmermann jreg = 0x02 | 140496a49f39SThomas Zimmermann 0x01; /* enable ARGB4444 cursor */ 140596a49f39SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 1406312fec14SDave Airlie 14070090ef3eSThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 14080090ef3eSThomas Zimmermann 1409312fec14SDave Airlie return 0; 1410312fec14SDave Airlie } 1411