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 73312fec14SDave Airlie static void ast_crtc_load_lut(struct drm_crtc *crtc) 74312fec14SDave Airlie { 75312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 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 90259d14a7SThomas Zimmermann static bool ast_get_vbios_mode_info(const struct drm_framebuffer *fb, 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 100272725c7SVille Syrjälä switch (fb->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 212259d14a7SThomas Zimmermann static void ast_set_vbios_color_reg(struct drm_crtc *crtc, 213259d14a7SThomas Zimmermann const struct drm_framebuffer *fb, 214259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 215259d14a7SThomas Zimmermann { 216259d14a7SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 217259d14a7SThomas Zimmermann u32 color_index; 218259d14a7SThomas Zimmermann 219259d14a7SThomas Zimmermann switch (fb->format->cpp[0]) { 220259d14a7SThomas Zimmermann case 1: 221259d14a7SThomas Zimmermann color_index = VGAModeIndex - 1; 222259d14a7SThomas Zimmermann break; 223259d14a7SThomas Zimmermann case 2: 224259d14a7SThomas Zimmermann color_index = HiCModeIndex; 225259d14a7SThomas Zimmermann break; 226259d14a7SThomas Zimmermann case 3: 227259d14a7SThomas Zimmermann case 4: 228259d14a7SThomas Zimmermann color_index = TrueCModeIndex; 229259d14a7SThomas Zimmermann default: 230259d14a7SThomas Zimmermann return; 231259d14a7SThomas Zimmermann } 232259d14a7SThomas Zimmermann 233259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0x0f) << 4)); 234259d14a7SThomas Zimmermann 235259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 236259d14a7SThomas Zimmermann 237259d14a7SThomas Zimmermann if (vbios_mode->enh_table->flags & NewModeInfo) { 238259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 239259d14a7SThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, fb->format->cpp[0] * 8); 240259d14a7SThomas Zimmermann } 241259d14a7SThomas Zimmermann } 242259d14a7SThomas Zimmermann 243259d14a7SThomas Zimmermann static void ast_set_vbios_mode_reg(struct drm_crtc *crtc, 244259d14a7SThomas Zimmermann const struct drm_display_mode *adjusted_mode, 245259d14a7SThomas Zimmermann const struct ast_vbios_mode_info *vbios_mode) 246259d14a7SThomas Zimmermann { 247259d14a7SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 248259d14a7SThomas Zimmermann u32 refresh_rate_index, mode_id; 249259d14a7SThomas Zimmermann 250312fec14SDave Airlie refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; 251312fec14SDave Airlie mode_id = vbios_mode->enh_table->mode_id; 252312fec14SDave Airlie 253312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); 254312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); 255312fec14SDave Airlie 256f1f62f2cSDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); 257259d14a7SThomas Zimmermann 258f1f62f2cSDave Airlie if (vbios_mode->enh_table->flags & NewModeInfo) { 259312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); 260312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); 261312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); 262312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); 263312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); 264312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); 265312fec14SDave Airlie } 266f1f62f2cSDave Airlie } 267312fec14SDave Airlie 268312fec14SDave Airlie static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 269312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 270312fec14SDave Airlie { 271312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 27222acdbb1SBenjamin Herrenschmidt const struct ast_vbios_stdtable *stdtable; 273312fec14SDave Airlie u32 i; 274312fec14SDave Airlie u8 jreg; 275312fec14SDave Airlie 276312fec14SDave Airlie stdtable = vbios_mode->std_table; 277312fec14SDave Airlie 278312fec14SDave Airlie jreg = stdtable->misc; 279312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 280312fec14SDave Airlie 281312fec14SDave Airlie /* Set SEQ */ 282312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); 283312fec14SDave Airlie for (i = 0; i < 4; i++) { 284312fec14SDave Airlie jreg = stdtable->seq[i]; 285312fec14SDave Airlie if (!i) 286312fec14SDave Airlie jreg |= 0x20; 287312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); 288312fec14SDave Airlie } 289312fec14SDave Airlie 290a21fdd7aSThomas Zimmermann /* Set CRTC; except base address and offset */ 291312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 292a21fdd7aSThomas Zimmermann for (i = 0; i < 12; i++) 293a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 294a21fdd7aSThomas Zimmermann for (i = 14; i < 19; i++) 295a21fdd7aSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 296a21fdd7aSThomas Zimmermann for (i = 20; i < 25; i++) 297312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); 298312fec14SDave Airlie 299312fec14SDave Airlie /* set AR */ 300312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 301312fec14SDave Airlie for (i = 0; i < 20; i++) { 302312fec14SDave Airlie jreg = stdtable->ar[i]; 303312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); 304312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); 305312fec14SDave Airlie } 306312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); 307312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); 308312fec14SDave Airlie 309312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); 310312fec14SDave Airlie ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); 311312fec14SDave Airlie 312312fec14SDave Airlie /* Set GR */ 313312fec14SDave Airlie for (i = 0; i < 9; i++) 314312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); 315312fec14SDave Airlie } 316312fec14SDave Airlie 317312fec14SDave Airlie static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 318312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 319312fec14SDave Airlie { 320312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 321312fec14SDave Airlie u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; 3229f93c8b3SY.C. Chen u16 temp, precache = 0; 3239f93c8b3SY.C. Chen 3249f93c8b3SY.C. Chen if ((ast->chip == AST2500) && 3259f93c8b3SY.C. Chen (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) 3269f93c8b3SY.C. Chen precache = 40; 327312fec14SDave Airlie 328312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); 329312fec14SDave Airlie 330312fec14SDave Airlie temp = (mode->crtc_htotal >> 3) - 5; 331312fec14SDave Airlie if (temp & 0x100) 332312fec14SDave Airlie jregAC |= 0x01; /* HT D[8] */ 333312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); 334312fec14SDave Airlie 335312fec14SDave Airlie temp = (mode->crtc_hdisplay >> 3) - 1; 336312fec14SDave Airlie if (temp & 0x100) 337312fec14SDave Airlie jregAC |= 0x04; /* HDE D[8] */ 338312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); 339312fec14SDave Airlie 340312fec14SDave Airlie temp = (mode->crtc_hblank_start >> 3) - 1; 341312fec14SDave Airlie if (temp & 0x100) 342312fec14SDave Airlie jregAC |= 0x10; /* HBS D[8] */ 343312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); 344312fec14SDave Airlie 345312fec14SDave Airlie temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; 346312fec14SDave Airlie if (temp & 0x20) 347312fec14SDave Airlie jreg05 |= 0x80; /* HBE D[5] */ 348312fec14SDave Airlie if (temp & 0x40) 349312fec14SDave Airlie jregAD |= 0x01; /* HBE D[5] */ 350312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); 351312fec14SDave Airlie 3529f93c8b3SY.C. Chen temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; 353312fec14SDave Airlie if (temp & 0x100) 354312fec14SDave Airlie jregAC |= 0x40; /* HRS D[5] */ 355312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); 356312fec14SDave Airlie 3579f93c8b3SY.C. Chen temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; 358312fec14SDave Airlie if (temp & 0x20) 359312fec14SDave Airlie jregAD |= 0x04; /* HRE D[5] */ 360312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); 361312fec14SDave Airlie 362312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); 363312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); 364312fec14SDave Airlie 365312fec14SDave Airlie /* vert timings */ 366312fec14SDave Airlie temp = (mode->crtc_vtotal) - 2; 367312fec14SDave Airlie if (temp & 0x100) 368312fec14SDave Airlie jreg07 |= 0x01; 369312fec14SDave Airlie if (temp & 0x200) 370312fec14SDave Airlie jreg07 |= 0x20; 371312fec14SDave Airlie if (temp & 0x400) 372312fec14SDave Airlie jregAE |= 0x01; 373312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); 374312fec14SDave Airlie 375312fec14SDave Airlie temp = (mode->crtc_vsync_start) - 1; 376312fec14SDave Airlie if (temp & 0x100) 377312fec14SDave Airlie jreg07 |= 0x04; 378312fec14SDave Airlie if (temp & 0x200) 379312fec14SDave Airlie jreg07 |= 0x80; 380312fec14SDave Airlie if (temp & 0x400) 381312fec14SDave Airlie jregAE |= 0x08; 382312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); 383312fec14SDave Airlie 384312fec14SDave Airlie temp = (mode->crtc_vsync_end - 1) & 0x3f; 385312fec14SDave Airlie if (temp & 0x10) 386312fec14SDave Airlie jregAE |= 0x20; 387312fec14SDave Airlie if (temp & 0x20) 388312fec14SDave Airlie jregAE |= 0x40; 389312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); 390312fec14SDave Airlie 391312fec14SDave Airlie temp = mode->crtc_vdisplay - 1; 392312fec14SDave Airlie if (temp & 0x100) 393312fec14SDave Airlie jreg07 |= 0x02; 394312fec14SDave Airlie if (temp & 0x200) 395312fec14SDave Airlie jreg07 |= 0x40; 396312fec14SDave Airlie if (temp & 0x400) 397312fec14SDave Airlie jregAE |= 0x02; 398312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); 399312fec14SDave Airlie 400312fec14SDave Airlie temp = mode->crtc_vblank_start - 1; 401312fec14SDave Airlie if (temp & 0x100) 402312fec14SDave Airlie jreg07 |= 0x08; 403312fec14SDave Airlie if (temp & 0x200) 404312fec14SDave Airlie jreg09 |= 0x20; 405312fec14SDave Airlie if (temp & 0x400) 406312fec14SDave Airlie jregAE |= 0x04; 407312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); 408312fec14SDave Airlie 409312fec14SDave Airlie temp = mode->crtc_vblank_end - 1; 410312fec14SDave Airlie if (temp & 0x100) 411312fec14SDave Airlie jregAE |= 0x10; 412312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); 413312fec14SDave Airlie 414312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); 415312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); 416312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); 417312fec14SDave Airlie 4189f93c8b3SY.C. Chen if (precache) 4199f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); 4209f93c8b3SY.C. Chen else 4219f93c8b3SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); 4229f93c8b3SY.C. Chen 423312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); 424312fec14SDave Airlie } 425312fec14SDave Airlie 426312fec14SDave Airlie static void ast_set_offset_reg(struct drm_crtc *crtc) 427312fec14SDave Airlie { 428312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 4294961eb60SThomas Zimmermann const struct drm_framebuffer *fb = crtc->primary->state->fb; 430312fec14SDave Airlie 431312fec14SDave Airlie u16 offset; 432312fec14SDave Airlie 4337445283aSVille Syrjälä offset = fb->pitches[0] >> 3; 434312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); 435312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); 436312fec14SDave Airlie } 437312fec14SDave Airlie 438312fec14SDave Airlie static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mode, 439312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 440312fec14SDave Airlie { 441312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 44222acdbb1SBenjamin Herrenschmidt const struct ast_vbios_dclk_info *clk_info; 443312fec14SDave Airlie 4449f93c8b3SY.C. Chen if (ast->chip == AST2500) 4459f93c8b3SY.C. Chen clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; 4469f93c8b3SY.C. Chen else 447312fec14SDave Airlie clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; 448312fec14SDave Airlie 449312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); 450312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); 451312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, 4529f93c8b3SY.C. Chen (clk_info->param3 & 0xc0) | 4539f93c8b3SY.C. Chen ((clk_info->param3 & 0x3) << 4)); 454312fec14SDave Airlie } 455312fec14SDave Airlie 4560d45ad98SThomas Zimmermann static void ast_set_color_reg(struct drm_crtc *crtc, 4570d45ad98SThomas Zimmermann const struct drm_framebuffer *fb) 458312fec14SDave Airlie { 459312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 460312fec14SDave Airlie u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; 461312fec14SDave Airlie 462272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 463312fec14SDave Airlie case 8: 464312fec14SDave Airlie jregA0 = 0x70; 465312fec14SDave Airlie jregA3 = 0x01; 466312fec14SDave Airlie jregA8 = 0x00; 467312fec14SDave Airlie break; 468312fec14SDave Airlie case 15: 469312fec14SDave Airlie case 16: 470312fec14SDave Airlie jregA0 = 0x70; 471312fec14SDave Airlie jregA3 = 0x04; 472312fec14SDave Airlie jregA8 = 0x02; 473312fec14SDave Airlie break; 474312fec14SDave Airlie case 32: 475312fec14SDave Airlie jregA0 = 0x70; 476312fec14SDave Airlie jregA3 = 0x08; 477312fec14SDave Airlie jregA8 = 0x02; 478312fec14SDave Airlie break; 479312fec14SDave Airlie } 480312fec14SDave Airlie 481312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); 482312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); 483312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); 4840d45ad98SThomas Zimmermann } 4850d45ad98SThomas Zimmermann 4860d45ad98SThomas Zimmermann static void ast_set_crtthd_reg(struct drm_crtc *crtc) 4870d45ad98SThomas Zimmermann { 4880d45ad98SThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 489312fec14SDave Airlie 490312fec14SDave Airlie /* Set Threshold */ 4919f93c8b3SY.C. Chen if (ast->chip == AST2300 || ast->chip == AST2400 || 4929f93c8b3SY.C. Chen ast->chip == AST2500) { 493312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); 494312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); 495312fec14SDave Airlie } else if (ast->chip == AST2100 || 496312fec14SDave Airlie ast->chip == AST1100 || 497312fec14SDave Airlie ast->chip == AST2200 || 498312fec14SDave Airlie ast->chip == AST2150) { 499312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); 500312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); 501312fec14SDave Airlie } else { 502312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); 503312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); 504312fec14SDave Airlie } 505312fec14SDave Airlie } 506312fec14SDave Airlie 5077f5ccd44SRashika static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mode, 508312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 509312fec14SDave Airlie { 510312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 511312fec14SDave Airlie u8 jreg; 512312fec14SDave Airlie 513312fec14SDave Airlie jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); 51494d12b13SY.C. Chen jreg &= ~0xC0; 51594d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; 51694d12b13SY.C. Chen if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; 517312fec14SDave Airlie ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); 518312fec14SDave Airlie } 519312fec14SDave Airlie 5207f5ccd44SRashika static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, 521312fec14SDave Airlie struct ast_vbios_mode_info *vbios_mode) 522312fec14SDave Airlie { 5234961eb60SThomas Zimmermann const struct drm_framebuffer *fb = crtc->primary->state->fb; 5247445283aSVille Syrjälä 525272725c7SVille Syrjälä switch (fb->format->cpp[0] * 8) { 526312fec14SDave Airlie case 8: 527312fec14SDave Airlie break; 528312fec14SDave Airlie default: 529312fec14SDave Airlie return false; 530312fec14SDave Airlie } 531312fec14SDave Airlie return true; 532312fec14SDave Airlie } 533312fec14SDave Airlie 5347f5ccd44SRashika static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset) 535312fec14SDave Airlie { 536312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 537312fec14SDave Airlie u32 addr; 538312fec14SDave Airlie 539312fec14SDave Airlie addr = offset >> 2; 540312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); 541312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); 542312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); 543312fec14SDave Airlie 544312fec14SDave Airlie } 545312fec14SDave Airlie 546a6ff807bSThomas Zimmermann /* 547a6ff807bSThomas Zimmermann * Primary plane 548a6ff807bSThomas Zimmermann */ 549a6ff807bSThomas Zimmermann 550a6ff807bSThomas Zimmermann static const uint32_t ast_primary_plane_formats[] = { 551a6ff807bSThomas Zimmermann DRM_FORMAT_XRGB8888, 552a6ff807bSThomas Zimmermann DRM_FORMAT_RGB565, 553a6ff807bSThomas Zimmermann DRM_FORMAT_C8, 554a6ff807bSThomas Zimmermann }; 555a6ff807bSThomas Zimmermann 556a6ff807bSThomas Zimmermann int ast_primary_plane_helper_atomic_check(struct drm_plane *plane, 557a6ff807bSThomas Zimmermann struct drm_plane_state *state) 558a6ff807bSThomas Zimmermann { 559a6ff807bSThomas Zimmermann return 0; 560a6ff807bSThomas Zimmermann } 561a6ff807bSThomas Zimmermann 562a6ff807bSThomas Zimmermann void ast_primary_plane_helper_atomic_update(struct drm_plane *plane, 563a6ff807bSThomas Zimmermann struct drm_plane_state *old_state) 564a6ff807bSThomas Zimmermann { 565a6ff807bSThomas Zimmermann struct drm_plane_state *state = plane->state; 566a6ff807bSThomas Zimmermann struct drm_crtc *crtc = state->crtc; 567a6ff807bSThomas Zimmermann struct drm_gem_vram_object *gbo; 568a6ff807bSThomas Zimmermann s64 gpu_addr; 569a6ff807bSThomas Zimmermann 570a6ff807bSThomas Zimmermann if (!crtc || !state->fb) 571a6ff807bSThomas Zimmermann return; 572a6ff807bSThomas Zimmermann 573a6ff807bSThomas Zimmermann gbo = drm_gem_vram_of_gem(state->fb->obj[0]); 574a6ff807bSThomas Zimmermann gpu_addr = drm_gem_vram_offset(gbo); 575a6ff807bSThomas Zimmermann if (WARN_ON_ONCE(gpu_addr < 0)) 576a6ff807bSThomas Zimmermann return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ 577a6ff807bSThomas Zimmermann 578a6ff807bSThomas Zimmermann ast_set_offset_reg(crtc); 579a6ff807bSThomas Zimmermann ast_set_start_address_crt1(crtc, (u32)gpu_addr); 580a6ff807bSThomas Zimmermann } 581a6ff807bSThomas Zimmermann 582a6ff807bSThomas Zimmermann static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { 583a6ff807bSThomas Zimmermann .prepare_fb = drm_gem_vram_plane_helper_prepare_fb, 584a6ff807bSThomas Zimmermann .cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb, 585a6ff807bSThomas Zimmermann .atomic_check = ast_primary_plane_helper_atomic_check, 586a6ff807bSThomas Zimmermann .atomic_update = ast_primary_plane_helper_atomic_update, 587a6ff807bSThomas Zimmermann }; 588a6ff807bSThomas Zimmermann 589a6ff807bSThomas Zimmermann static const struct drm_plane_funcs ast_primary_plane_funcs = { 590a6ff807bSThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 591a6ff807bSThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 592a6ff807bSThomas Zimmermann .destroy = drm_plane_cleanup, 593a6ff807bSThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 594a6ff807bSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 595a6ff807bSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 596a6ff807bSThomas Zimmermann }; 597a6ff807bSThomas Zimmermann 598a6ff807bSThomas Zimmermann /* 59902f3bb75SThomas Zimmermann * Cursor plane 60002f3bb75SThomas Zimmermann */ 60102f3bb75SThomas Zimmermann 60202f3bb75SThomas Zimmermann static const uint32_t ast_cursor_plane_formats[] = { 60302f3bb75SThomas Zimmermann DRM_FORMAT_ARGB8888, 60402f3bb75SThomas Zimmermann }; 60502f3bb75SThomas Zimmermann 60602f3bb75SThomas Zimmermann static int 60702f3bb75SThomas Zimmermann ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane, 60802f3bb75SThomas Zimmermann struct drm_plane_state *new_state) 60902f3bb75SThomas Zimmermann { 61002f3bb75SThomas Zimmermann struct drm_framebuffer *fb = new_state->fb; 61102f3bb75SThomas Zimmermann struct drm_crtc *crtc = new_state->crtc; 61202f3bb75SThomas Zimmermann struct drm_gem_vram_object *gbo; 61302f3bb75SThomas Zimmermann struct ast_private *ast; 61402f3bb75SThomas Zimmermann int ret; 61502f3bb75SThomas Zimmermann void *src, *dst; 61602f3bb75SThomas Zimmermann 61702f3bb75SThomas Zimmermann if (!crtc || !fb) 61802f3bb75SThomas Zimmermann return 0; 61902f3bb75SThomas Zimmermann 62002f3bb75SThomas Zimmermann if (fb->width > AST_MAX_HWC_WIDTH || fb->height > AST_MAX_HWC_HEIGHT) 62102f3bb75SThomas Zimmermann return -EINVAL; 62202f3bb75SThomas Zimmermann 62302f3bb75SThomas Zimmermann ast = crtc->dev->dev_private; 62402f3bb75SThomas Zimmermann 62502f3bb75SThomas Zimmermann gbo = drm_gem_vram_of_gem(fb->obj[0]); 62602f3bb75SThomas Zimmermann src = drm_gem_vram_vmap(gbo); 62702f3bb75SThomas Zimmermann if (IS_ERR(src)) { 62802f3bb75SThomas Zimmermann ret = PTR_ERR(src); 62902f3bb75SThomas Zimmermann goto err_drm_gem_vram_unpin; 63002f3bb75SThomas Zimmermann } 63102f3bb75SThomas Zimmermann 63202f3bb75SThomas Zimmermann dst = drm_gem_vram_vmap(ast->cursor.gbo[ast->cursor.next_index]); 63302f3bb75SThomas Zimmermann if (IS_ERR(dst)) { 63402f3bb75SThomas Zimmermann ret = PTR_ERR(dst); 63502f3bb75SThomas Zimmermann goto err_drm_gem_vram_vunmap_src; 63602f3bb75SThomas Zimmermann } 63702f3bb75SThomas Zimmermann 63802f3bb75SThomas Zimmermann ret = ast_cursor_update(dst, src, fb->width, fb->height); 63902f3bb75SThomas Zimmermann if (ret) 64002f3bb75SThomas Zimmermann goto err_drm_gem_vram_vunmap_dst; 64102f3bb75SThomas Zimmermann 64202f3bb75SThomas Zimmermann /* Always unmap buffers here. Destination buffers are 64302f3bb75SThomas Zimmermann * perma-pinned while the driver is active. We're only 64402f3bb75SThomas Zimmermann * changing ref-counters here. 64502f3bb75SThomas Zimmermann */ 64602f3bb75SThomas Zimmermann drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); 64702f3bb75SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 64802f3bb75SThomas Zimmermann 64902f3bb75SThomas Zimmermann return 0; 65002f3bb75SThomas Zimmermann 65102f3bb75SThomas Zimmermann err_drm_gem_vram_vunmap_dst: 65202f3bb75SThomas Zimmermann drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst); 65302f3bb75SThomas Zimmermann err_drm_gem_vram_vunmap_src: 65402f3bb75SThomas Zimmermann drm_gem_vram_vunmap(gbo, src); 65502f3bb75SThomas Zimmermann err_drm_gem_vram_unpin: 65602f3bb75SThomas Zimmermann drm_gem_vram_unpin(gbo); 65702f3bb75SThomas Zimmermann return ret; 65802f3bb75SThomas Zimmermann } 65902f3bb75SThomas Zimmermann 66002f3bb75SThomas Zimmermann static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane, 66102f3bb75SThomas Zimmermann struct drm_plane_state *state) 66202f3bb75SThomas Zimmermann { 66302f3bb75SThomas Zimmermann return 0; 66402f3bb75SThomas Zimmermann } 66502f3bb75SThomas Zimmermann 66602f3bb75SThomas Zimmermann static void 66702f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_update(struct drm_plane *plane, 66802f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 66902f3bb75SThomas Zimmermann { 67002f3bb75SThomas Zimmermann struct drm_plane_state *state = plane->state; 67102f3bb75SThomas Zimmermann struct drm_crtc *crtc = state->crtc; 67202f3bb75SThomas Zimmermann struct drm_framebuffer *fb = state->fb; 67302f3bb75SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 67402f3bb75SThomas Zimmermann struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 67502f3bb75SThomas Zimmermann struct drm_gem_vram_object *gbo; 67602f3bb75SThomas Zimmermann s64 off; 67702f3bb75SThomas Zimmermann u8 jreg; 67802f3bb75SThomas Zimmermann 67902f3bb75SThomas Zimmermann ast_crtc->offset_x = AST_MAX_HWC_WIDTH - fb->width; 68002f3bb75SThomas Zimmermann ast_crtc->offset_y = AST_MAX_HWC_WIDTH - fb->height; 68102f3bb75SThomas Zimmermann 68202f3bb75SThomas Zimmermann if (state->fb != old_state->fb) { 68302f3bb75SThomas Zimmermann /* A new cursor image was installed. */ 68402f3bb75SThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 68502f3bb75SThomas Zimmermann off = drm_gem_vram_offset(gbo); 68602f3bb75SThomas Zimmermann if (WARN_ON_ONCE(off < 0)) 68702f3bb75SThomas Zimmermann return; /* Bug: we didn't pin cursor HW BO to VRAM. */ 68802f3bb75SThomas Zimmermann ast_cursor_set_base(ast, off); 68902f3bb75SThomas Zimmermann 69002f3bb75SThomas Zimmermann ++ast->cursor.next_index; 69102f3bb75SThomas Zimmermann ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo); 69202f3bb75SThomas Zimmermann } 69302f3bb75SThomas Zimmermann 69402f3bb75SThomas Zimmermann ast_cursor_move(crtc, state->crtc_x, state->crtc_y); 69502f3bb75SThomas Zimmermann 69602f3bb75SThomas Zimmermann jreg = 0x2; 69702f3bb75SThomas Zimmermann /* enable ARGB cursor */ 69802f3bb75SThomas Zimmermann jreg |= 1; 69902f3bb75SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 70002f3bb75SThomas Zimmermann } 70102f3bb75SThomas Zimmermann 70202f3bb75SThomas Zimmermann static void 70302f3bb75SThomas Zimmermann ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane, 70402f3bb75SThomas Zimmermann struct drm_plane_state *old_state) 70502f3bb75SThomas Zimmermann { 70602f3bb75SThomas Zimmermann struct ast_private *ast = plane->dev->dev_private; 70702f3bb75SThomas Zimmermann 70802f3bb75SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); 70902f3bb75SThomas Zimmermann } 71002f3bb75SThomas Zimmermann 71102f3bb75SThomas Zimmermann static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = { 71202f3bb75SThomas Zimmermann .prepare_fb = ast_cursor_plane_helper_prepare_fb, 71302f3bb75SThomas Zimmermann .cleanup_fb = NULL, /* not required for cursor plane */ 71402f3bb75SThomas Zimmermann .atomic_check = ast_cursor_plane_helper_atomic_check, 71502f3bb75SThomas Zimmermann .atomic_update = ast_cursor_plane_helper_atomic_update, 71602f3bb75SThomas Zimmermann .atomic_disable = ast_cursor_plane_helper_atomic_disable, 71702f3bb75SThomas Zimmermann }; 71802f3bb75SThomas Zimmermann 71902f3bb75SThomas Zimmermann static const struct drm_plane_funcs ast_cursor_plane_funcs = { 72002f3bb75SThomas Zimmermann .update_plane = drm_atomic_helper_update_plane, 72102f3bb75SThomas Zimmermann .disable_plane = drm_atomic_helper_disable_plane, 72202f3bb75SThomas Zimmermann .destroy = drm_plane_cleanup, 72302f3bb75SThomas Zimmermann .reset = drm_atomic_helper_plane_reset, 72402f3bb75SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 72502f3bb75SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 72602f3bb75SThomas Zimmermann }; 72702f3bb75SThomas Zimmermann 72802f3bb75SThomas Zimmermann /* 729a6ff807bSThomas Zimmermann * CRTC 730a6ff807bSThomas Zimmermann */ 731a6ff807bSThomas Zimmermann 732312fec14SDave Airlie static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 733312fec14SDave Airlie { 734312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 735312fec14SDave Airlie 736312fec14SDave Airlie if (ast->chip == AST1180) 737312fec14SDave Airlie return; 738312fec14SDave Airlie 739312fec14SDave Airlie switch (mode) { 740312fec14SDave Airlie case DRM_MODE_DPMS_ON: 741312fec14SDave Airlie case DRM_MODE_DPMS_STANDBY: 742312fec14SDave Airlie case DRM_MODE_DPMS_SUSPEND: 743312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); 74483c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 74583c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 1); 746312fec14SDave Airlie ast_crtc_load_lut(crtc); 747312fec14SDave Airlie break; 748312fec14SDave Airlie case DRM_MODE_DPMS_OFF: 74983c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) 75083c6620bSDave Airlie ast_set_dp501_video_output(crtc->dev, 0); 751312fec14SDave Airlie ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); 752312fec14SDave Airlie break; 753312fec14SDave Airlie } 754312fec14SDave Airlie } 755312fec14SDave Airlie 756b48e1b6fSThomas Zimmermann static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, 757b48e1b6fSThomas Zimmermann struct drm_crtc_state *state) 758b48e1b6fSThomas Zimmermann { 759b48e1b6fSThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 760b48e1b6fSThomas Zimmermann struct drm_plane_state *plane_state; 761b48e1b6fSThomas Zimmermann bool succ; 762b48e1b6fSThomas Zimmermann struct drm_display_mode adjusted_mode; 763b48e1b6fSThomas Zimmermann struct ast_vbios_mode_info vbios_mode; 764b48e1b6fSThomas Zimmermann 765b48e1b6fSThomas Zimmermann if (ast->chip == AST1180) { 766b48e1b6fSThomas Zimmermann DRM_ERROR("AST 1180 modesetting not supported\n"); 767b48e1b6fSThomas Zimmermann return -EINVAL; 768b48e1b6fSThomas Zimmermann } 769b48e1b6fSThomas Zimmermann 770b48e1b6fSThomas Zimmermann plane_state = crtc->primary->state; 771b48e1b6fSThomas Zimmermann 772b48e1b6fSThomas Zimmermann if (plane_state && plane_state->fb) { 773b48e1b6fSThomas Zimmermann succ = ast_get_vbios_mode_info(plane_state->fb, &state->mode, 774b48e1b6fSThomas Zimmermann &adjusted_mode, &vbios_mode); 775b48e1b6fSThomas Zimmermann if (!succ) 776b48e1b6fSThomas Zimmermann return -EINVAL; 777b48e1b6fSThomas Zimmermann } 778b48e1b6fSThomas Zimmermann 779b48e1b6fSThomas Zimmermann return 0; 780b48e1b6fSThomas Zimmermann } 781b48e1b6fSThomas Zimmermann 782b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_begin(struct drm_crtc *crtc, 783b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 784b48e1b6fSThomas Zimmermann { 785b48e1b6fSThomas Zimmermann struct ast_private *ast = crtc->dev->dev_private; 786b48e1b6fSThomas Zimmermann 787b48e1b6fSThomas Zimmermann ast_open_key(ast); 788b48e1b6fSThomas Zimmermann } 789b48e1b6fSThomas Zimmermann 790b48e1b6fSThomas Zimmermann static void ast_crtc_helper_atomic_flush(struct drm_crtc *crtc, 791b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 792b48e1b6fSThomas Zimmermann { 79371d873ccSThomas Zimmermann struct drm_device *dev = crtc->dev; 79471d873ccSThomas Zimmermann struct ast_private *ast = dev->dev_private; 795b48e1b6fSThomas Zimmermann const struct drm_framebuffer *fb = crtc->primary->state->fb; 796b48e1b6fSThomas Zimmermann struct drm_display_mode adjusted_mode; 797b48e1b6fSThomas Zimmermann struct ast_vbios_mode_info vbios_mode; 798b48e1b6fSThomas Zimmermann bool succ; 799b48e1b6fSThomas Zimmermann 800b48e1b6fSThomas Zimmermann crtc->state->no_vblank = true; 801b48e1b6fSThomas Zimmermann 802b48e1b6fSThomas Zimmermann if (!fb) 803b48e1b6fSThomas Zimmermann return; 804b48e1b6fSThomas Zimmermann 80571d873ccSThomas Zimmermann memset(&adjusted_mode, 0, sizeof(adjusted_mode)); 80671d873ccSThomas Zimmermann drm_mode_copy(&adjusted_mode, &crtc->state->adjusted_mode); 80771d873ccSThomas Zimmermann 80871d873ccSThomas Zimmermann succ = ast_get_vbios_mode_info(fb, &crtc->state->adjusted_mode, 80971d873ccSThomas Zimmermann &adjusted_mode, &vbios_mode); 81071d873ccSThomas Zimmermann if (WARN_ON_ONCE(!succ)) 81171d873ccSThomas Zimmermann return; /* BUG: didn't validate this in atomic_check() */ 81271d873ccSThomas Zimmermann 813b48e1b6fSThomas Zimmermann ast_set_color_reg(crtc, fb); 814b48e1b6fSThomas Zimmermann ast_set_vbios_color_reg(crtc, fb, &vbios_mode); 815b48e1b6fSThomas Zimmermann 81671d873ccSThomas Zimmermann if (!crtc->state->mode_changed) 817b48e1b6fSThomas Zimmermann return; 818b48e1b6fSThomas Zimmermann 819b48e1b6fSThomas Zimmermann ast_set_vbios_mode_reg(crtc, &adjusted_mode, &vbios_mode); 820b48e1b6fSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x06); 821b48e1b6fSThomas Zimmermann ast_set_std_reg(crtc, &adjusted_mode, &vbios_mode); 822b48e1b6fSThomas Zimmermann ast_set_crtc_reg(crtc, &adjusted_mode, &vbios_mode); 823b48e1b6fSThomas Zimmermann ast_set_dclk_reg(dev, &adjusted_mode, &vbios_mode); 824b48e1b6fSThomas Zimmermann ast_set_crtthd_reg(crtc); 825b48e1b6fSThomas Zimmermann ast_set_sync_reg(dev, &adjusted_mode, &vbios_mode); 826b48e1b6fSThomas Zimmermann ast_set_dac_reg(crtc, &adjusted_mode, &vbios_mode); 82771d873ccSThomas Zimmermann } 828b48e1b6fSThomas Zimmermann 82971d873ccSThomas Zimmermann static void 83071d873ccSThomas Zimmermann ast_crtc_helper_atomic_enable(struct drm_crtc *crtc, 83171d873ccSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 83271d873ccSThomas Zimmermann { 833b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 834b48e1b6fSThomas Zimmermann } 835b48e1b6fSThomas Zimmermann 836b48e1b6fSThomas Zimmermann static void 837b48e1b6fSThomas Zimmermann ast_crtc_helper_atomic_disable(struct drm_crtc *crtc, 838b48e1b6fSThomas Zimmermann struct drm_crtc_state *old_crtc_state) 839b48e1b6fSThomas Zimmermann { 840b48e1b6fSThomas Zimmermann ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 841b48e1b6fSThomas Zimmermann } 842312fec14SDave Airlie 843312fec14SDave Airlie static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { 844b48e1b6fSThomas Zimmermann .atomic_check = ast_crtc_helper_atomic_check, 845b48e1b6fSThomas Zimmermann .atomic_begin = ast_crtc_helper_atomic_begin, 846b48e1b6fSThomas Zimmermann .atomic_flush = ast_crtc_helper_atomic_flush, 847b48e1b6fSThomas Zimmermann .atomic_enable = ast_crtc_helper_atomic_enable, 848b48e1b6fSThomas Zimmermann .atomic_disable = ast_crtc_helper_atomic_disable, 849312fec14SDave Airlie }; 850312fec14SDave Airlie 851312fec14SDave Airlie static void ast_crtc_destroy(struct drm_crtc *crtc) 852312fec14SDave Airlie { 853312fec14SDave Airlie drm_crtc_cleanup(crtc); 854312fec14SDave Airlie kfree(crtc); 855312fec14SDave Airlie } 856312fec14SDave Airlie 857312fec14SDave Airlie static const struct drm_crtc_funcs ast_crtc_funcs = { 8584961eb60SThomas Zimmermann .reset = drm_atomic_helper_crtc_reset, 859312fec14SDave Airlie .set_config = drm_crtc_helper_set_config, 8604961eb60SThomas Zimmermann .gamma_set = drm_atomic_helper_legacy_gamma_set, 861312fec14SDave Airlie .destroy = ast_crtc_destroy, 8624961eb60SThomas Zimmermann .set_config = drm_atomic_helper_set_config, 8634961eb60SThomas Zimmermann .page_flip = drm_atomic_helper_page_flip, 864b48e1b6fSThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 865b48e1b6fSThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 866312fec14SDave Airlie }; 867312fec14SDave Airlie 8687f5ccd44SRashika static int ast_crtc_init(struct drm_device *dev) 869312fec14SDave Airlie { 870a6ff807bSThomas Zimmermann struct ast_private *ast = dev->dev_private; 871312fec14SDave Airlie struct ast_crtc *crtc; 872a6ff807bSThomas Zimmermann int ret; 873312fec14SDave Airlie 874312fec14SDave Airlie crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); 875312fec14SDave Airlie if (!crtc) 876312fec14SDave Airlie return -ENOMEM; 877312fec14SDave Airlie 878a6ff807bSThomas Zimmermann ret = drm_crtc_init_with_planes(dev, &crtc->base, &ast->primary_plane, 87902f3bb75SThomas Zimmermann &ast->cursor_plane, &ast_crtc_funcs, 88002f3bb75SThomas Zimmermann NULL); 881a6ff807bSThomas Zimmermann if (ret) 882a6ff807bSThomas Zimmermann goto err_kfree; 883a6ff807bSThomas Zimmermann 884312fec14SDave Airlie drm_mode_crtc_set_gamma_size(&crtc->base, 256); 885312fec14SDave Airlie drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); 886312fec14SDave Airlie return 0; 887a6ff807bSThomas Zimmermann 888a6ff807bSThomas Zimmermann err_kfree: 889a6ff807bSThomas Zimmermann kfree(crtc); 890a6ff807bSThomas Zimmermann return ret; 891312fec14SDave Airlie } 892312fec14SDave Airlie 8934961eb60SThomas Zimmermann /* 8944961eb60SThomas Zimmermann * Encoder 8954961eb60SThomas Zimmermann */ 8964961eb60SThomas Zimmermann 897312fec14SDave Airlie static void ast_encoder_destroy(struct drm_encoder *encoder) 898312fec14SDave Airlie { 899312fec14SDave Airlie drm_encoder_cleanup(encoder); 900312fec14SDave Airlie kfree(encoder); 901312fec14SDave Airlie } 902312fec14SDave Airlie 903312fec14SDave Airlie static const struct drm_encoder_funcs ast_enc_funcs = { 904312fec14SDave Airlie .destroy = ast_encoder_destroy, 905312fec14SDave Airlie }; 906312fec14SDave Airlie 9077f5ccd44SRashika static int ast_encoder_init(struct drm_device *dev) 908312fec14SDave Airlie { 909312fec14SDave Airlie struct ast_encoder *ast_encoder; 910312fec14SDave Airlie 911312fec14SDave Airlie ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL); 912312fec14SDave Airlie if (!ast_encoder) 913312fec14SDave Airlie return -ENOMEM; 914312fec14SDave Airlie 915312fec14SDave Airlie drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, 91613a3d91fSVille Syrjälä DRM_MODE_ENCODER_DAC, NULL); 917312fec14SDave Airlie 918312fec14SDave Airlie ast_encoder->base.possible_crtcs = 1; 919312fec14SDave Airlie return 0; 920312fec14SDave Airlie } 921312fec14SDave Airlie 9224961eb60SThomas Zimmermann /* 9234961eb60SThomas Zimmermann * Connector 9244961eb60SThomas Zimmermann */ 9254961eb60SThomas Zimmermann 926312fec14SDave Airlie static int ast_get_modes(struct drm_connector *connector) 927312fec14SDave Airlie { 928312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 92983c6620bSDave Airlie struct ast_private *ast = connector->dev->dev_private; 930312fec14SDave Airlie struct edid *edid; 931312fec14SDave Airlie int ret; 93283c6620bSDave Airlie bool flags = false; 93383c6620bSDave Airlie if (ast->tx_chip_type == AST_TX_DP501) { 93483c6620bSDave Airlie ast->dp501_maxclk = 0xff; 93583c6620bSDave Airlie edid = kmalloc(128, GFP_KERNEL); 93683c6620bSDave Airlie if (!edid) 93783c6620bSDave Airlie return -ENOMEM; 938312fec14SDave Airlie 93983c6620bSDave Airlie flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); 94083c6620bSDave Airlie if (flags) 94183c6620bSDave Airlie ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); 94283c6620bSDave Airlie else 94383c6620bSDave Airlie kfree(edid); 94483c6620bSDave Airlie } 94583c6620bSDave Airlie if (!flags) 946312fec14SDave Airlie edid = drm_get_edid(connector, &ast_connector->i2c->adapter); 947312fec14SDave Airlie if (edid) { 948c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, edid); 949312fec14SDave Airlie ret = drm_add_edid_modes(connector, edid); 950993dcb05SJani Nikula kfree(edid); 951312fec14SDave Airlie return ret; 952312fec14SDave Airlie } else 953c555f023SDaniel Vetter drm_connector_update_edid_property(&ast_connector->base, NULL); 954312fec14SDave Airlie return 0; 955312fec14SDave Airlie } 956312fec14SDave Airlie 957602b14a0SLuc Van Oostenryck static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, 958312fec14SDave Airlie struct drm_display_mode *mode) 959312fec14SDave Airlie { 960f1f62f2cSDave Airlie struct ast_private *ast = connector->dev->dev_private; 961f1f62f2cSDave Airlie int flags = MODE_NOMODE; 962f1f62f2cSDave Airlie uint32_t jtemp; 963f1f62f2cSDave Airlie 964f1f62f2cSDave Airlie if (ast->support_wide_screen) { 965f1f62f2cSDave Airlie if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) 966312fec14SDave Airlie return MODE_OK; 967f1f62f2cSDave Airlie if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) 968f1f62f2cSDave Airlie return MODE_OK; 969f1f62f2cSDave Airlie if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) 970f1f62f2cSDave Airlie return MODE_OK; 971f1f62f2cSDave Airlie if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) 972f1f62f2cSDave Airlie return MODE_OK; 973f1f62f2cSDave Airlie if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) 974f1f62f2cSDave Airlie return MODE_OK; 975f1f62f2cSDave Airlie 9769f93c8b3SY.C. Chen if ((ast->chip == AST2100) || (ast->chip == AST2200) || 9779f93c8b3SY.C. Chen (ast->chip == AST2300) || (ast->chip == AST2400) || 9789f93c8b3SY.C. Chen (ast->chip == AST2500) || (ast->chip == AST1180)) { 979f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) 980f1f62f2cSDave Airlie return MODE_OK; 981f1f62f2cSDave Airlie 982f1f62f2cSDave Airlie if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { 983f1f62f2cSDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); 984f1f62f2cSDave Airlie if (jtemp & 0x01) 985f1f62f2cSDave Airlie return MODE_NOMODE; 986f1f62f2cSDave Airlie else 987f1f62f2cSDave Airlie return MODE_OK; 988f1f62f2cSDave Airlie } 989f1f62f2cSDave Airlie } 990f1f62f2cSDave Airlie } 991f1f62f2cSDave Airlie switch (mode->hdisplay) { 992f1f62f2cSDave Airlie case 640: 993f1f62f2cSDave Airlie if (mode->vdisplay == 480) flags = MODE_OK; 994f1f62f2cSDave Airlie break; 995f1f62f2cSDave Airlie case 800: 996f1f62f2cSDave Airlie if (mode->vdisplay == 600) flags = MODE_OK; 997f1f62f2cSDave Airlie break; 998f1f62f2cSDave Airlie case 1024: 999f1f62f2cSDave Airlie if (mode->vdisplay == 768) flags = MODE_OK; 1000f1f62f2cSDave Airlie break; 1001f1f62f2cSDave Airlie case 1280: 1002f1f62f2cSDave Airlie if (mode->vdisplay == 1024) flags = MODE_OK; 1003f1f62f2cSDave Airlie break; 1004f1f62f2cSDave Airlie case 1600: 1005f1f62f2cSDave Airlie if (mode->vdisplay == 1200) flags = MODE_OK; 1006f1f62f2cSDave Airlie break; 1007f1f62f2cSDave Airlie default: 1008f1f62f2cSDave Airlie return flags; 1009f1f62f2cSDave Airlie } 1010f1f62f2cSDave Airlie 1011f1f62f2cSDave Airlie return flags; 1012312fec14SDave Airlie } 1013312fec14SDave Airlie 1014312fec14SDave Airlie static void ast_connector_destroy(struct drm_connector *connector) 1015312fec14SDave Airlie { 1016312fec14SDave Airlie struct ast_connector *ast_connector = to_ast_connector(connector); 1017312fec14SDave Airlie ast_i2c_destroy(ast_connector->i2c); 101834ea3d38SThomas Wood drm_connector_unregister(connector); 1019312fec14SDave Airlie drm_connector_cleanup(connector); 1020312fec14SDave Airlie kfree(connector); 1021312fec14SDave Airlie } 1022312fec14SDave Airlie 1023312fec14SDave Airlie static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { 1024312fec14SDave Airlie .get_modes = ast_get_modes, 10254961eb60SThomas Zimmermann .mode_valid = ast_mode_valid, 1026312fec14SDave Airlie }; 1027312fec14SDave Airlie 1028312fec14SDave Airlie static const struct drm_connector_funcs ast_connector_funcs = { 10294961eb60SThomas Zimmermann .reset = drm_atomic_helper_connector_reset, 1030312fec14SDave Airlie .fill_modes = drm_helper_probe_single_connector_modes, 1031312fec14SDave Airlie .destroy = ast_connector_destroy, 10324961eb60SThomas Zimmermann .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 10334961eb60SThomas Zimmermann .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1034312fec14SDave Airlie }; 1035312fec14SDave Airlie 10367f5ccd44SRashika static int ast_connector_init(struct drm_device *dev) 1037312fec14SDave Airlie { 1038312fec14SDave Airlie struct ast_connector *ast_connector; 1039312fec14SDave Airlie struct drm_connector *connector; 1040312fec14SDave Airlie struct drm_encoder *encoder; 1041312fec14SDave Airlie 1042312fec14SDave Airlie ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); 1043312fec14SDave Airlie if (!ast_connector) 1044312fec14SDave Airlie return -ENOMEM; 1045312fec14SDave Airlie 1046312fec14SDave Airlie connector = &ast_connector->base; 1047350fd554SAndrzej Pietrasiewicz ast_connector->i2c = ast_i2c_create(dev); 1048350fd554SAndrzej Pietrasiewicz if (!ast_connector->i2c) 1049350fd554SAndrzej Pietrasiewicz DRM_ERROR("failed to add ddc bus for connector\n"); 1050350fd554SAndrzej Pietrasiewicz 1051350fd554SAndrzej Pietrasiewicz drm_connector_init_with_ddc(dev, connector, 1052350fd554SAndrzej Pietrasiewicz &ast_connector_funcs, 1053350fd554SAndrzej Pietrasiewicz DRM_MODE_CONNECTOR_VGA, 1054350fd554SAndrzej Pietrasiewicz &ast_connector->i2c->adapter); 1055312fec14SDave Airlie 1056312fec14SDave Airlie drm_connector_helper_add(connector, &ast_connector_helper_funcs); 1057312fec14SDave Airlie 1058312fec14SDave Airlie connector->interlace_allowed = 0; 1059312fec14SDave Airlie connector->doublescan_allowed = 0; 1060312fec14SDave Airlie 106134ea3d38SThomas Wood drm_connector_register(connector); 1062312fec14SDave Airlie 1063312fec14SDave Airlie connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1064312fec14SDave Airlie 1065312fec14SDave Airlie encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); 1066cde4c44dSDaniel Vetter drm_connector_attach_encoder(connector, encoder); 1067312fec14SDave Airlie 1068312fec14SDave Airlie return 0; 1069312fec14SDave Airlie } 1070312fec14SDave Airlie 1071312fec14SDave Airlie /* allocate cursor cache and pin at start of VRAM */ 10727f5ccd44SRashika static int ast_cursor_init(struct drm_device *dev) 1073312fec14SDave Airlie { 1074312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 10750090ef3eSThomas Zimmermann size_t size, i; 10765b370979SThomas Zimmermann struct drm_gem_vram_object *gbo; 10770090ef3eSThomas Zimmermann int ret; 1078312fec14SDave Airlie 10790090ef3eSThomas Zimmermann size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); 1080312fec14SDave Airlie 10810090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 10820090ef3eSThomas Zimmermann gbo = drm_gem_vram_create(dev, &dev->vram_mm->bdev, 10830090ef3eSThomas Zimmermann size, 0, false); 10840090ef3eSThomas Zimmermann if (IS_ERR(gbo)) { 10850090ef3eSThomas Zimmermann ret = PTR_ERR(gbo); 10860090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 10870090ef3eSThomas Zimmermann } 10880090ef3eSThomas Zimmermann ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | 10890090ef3eSThomas Zimmermann DRM_GEM_VRAM_PL_FLAG_TOPDOWN); 10900090ef3eSThomas Zimmermann if (ret) { 10910090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 10920090ef3eSThomas Zimmermann goto err_drm_gem_vram_put; 10935b370979SThomas Zimmermann } 1094312fec14SDave Airlie 10950090ef3eSThomas Zimmermann ast->cursor.gbo[i] = gbo; 10963f87330eSThomas Zimmermann } 1097312fec14SDave Airlie 1098312fec14SDave Airlie return 0; 10990090ef3eSThomas Zimmermann 11000090ef3eSThomas Zimmermann err_drm_gem_vram_put: 11010090ef3eSThomas Zimmermann while (i) { 11020090ef3eSThomas Zimmermann --i; 11030090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 11040090ef3eSThomas Zimmermann drm_gem_vram_unpin(gbo); 11050090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11060090ef3eSThomas Zimmermann ast->cursor.gbo[i] = NULL; 11070090ef3eSThomas Zimmermann } 1108312fec14SDave Airlie return ret; 1109312fec14SDave Airlie } 1110312fec14SDave Airlie 11117f5ccd44SRashika static void ast_cursor_fini(struct drm_device *dev) 1112312fec14SDave Airlie { 1113312fec14SDave Airlie struct ast_private *ast = dev->dev_private; 11140090ef3eSThomas Zimmermann size_t i; 11150090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 11160090ef3eSThomas Zimmermann 11170090ef3eSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { 11180090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[i]; 11194d7553c3SThomas Zimmermann drm_gem_vram_unpin(gbo); 11200090ef3eSThomas Zimmermann drm_gem_vram_put(gbo); 11210090ef3eSThomas Zimmermann } 1122312fec14SDave Airlie } 1123312fec14SDave Airlie 1124312fec14SDave Airlie int ast_mode_init(struct drm_device *dev) 1125312fec14SDave Airlie { 1126a6ff807bSThomas Zimmermann struct ast_private *ast = dev->dev_private; 1127a6ff807bSThomas Zimmermann int ret; 1128a6ff807bSThomas Zimmermann 1129a6ff807bSThomas Zimmermann memset(&ast->primary_plane, 0, sizeof(ast->primary_plane)); 1130a6ff807bSThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01, 1131a6ff807bSThomas Zimmermann &ast_primary_plane_funcs, 1132a6ff807bSThomas Zimmermann ast_primary_plane_formats, 1133a6ff807bSThomas Zimmermann ARRAY_SIZE(ast_primary_plane_formats), 1134a6ff807bSThomas Zimmermann NULL, DRM_PLANE_TYPE_PRIMARY, NULL); 1135a6ff807bSThomas Zimmermann if (ret) { 1136a6ff807bSThomas Zimmermann DRM_ERROR("ast: drm_universal_plane_init() failed: %d\n", ret); 1137a6ff807bSThomas Zimmermann return ret; 1138a6ff807bSThomas Zimmermann } 1139a6ff807bSThomas Zimmermann drm_plane_helper_add(&ast->primary_plane, 1140a6ff807bSThomas Zimmermann &ast_primary_plane_helper_funcs); 1141a6ff807bSThomas Zimmermann 114202f3bb75SThomas Zimmermann ret = drm_universal_plane_init(dev, &ast->cursor_plane, 0x01, 114302f3bb75SThomas Zimmermann &ast_cursor_plane_funcs, 114402f3bb75SThomas Zimmermann ast_cursor_plane_formats, 114502f3bb75SThomas Zimmermann ARRAY_SIZE(ast_cursor_plane_formats), 114602f3bb75SThomas Zimmermann NULL, DRM_PLANE_TYPE_CURSOR, NULL); 114702f3bb75SThomas Zimmermann if (ret) { 114802f3bb75SThomas Zimmermann DRM_ERROR("drm_universal_plane_failed(): %d\n", ret); 114902f3bb75SThomas Zimmermann return ret; 115002f3bb75SThomas Zimmermann } 115102f3bb75SThomas Zimmermann drm_plane_helper_add(&ast->cursor_plane, 115202f3bb75SThomas Zimmermann &ast_cursor_plane_helper_funcs); 115302f3bb75SThomas Zimmermann 1154312fec14SDave Airlie ast_cursor_init(dev); 1155312fec14SDave Airlie ast_crtc_init(dev); 1156312fec14SDave Airlie ast_encoder_init(dev); 1157312fec14SDave Airlie ast_connector_init(dev); 1158a6ff807bSThomas Zimmermann 1159312fec14SDave Airlie return 0; 1160312fec14SDave Airlie } 1161312fec14SDave Airlie 1162312fec14SDave Airlie void ast_mode_fini(struct drm_device *dev) 1163312fec14SDave Airlie { 1164312fec14SDave Airlie ast_cursor_fini(dev); 1165312fec14SDave Airlie } 1166312fec14SDave Airlie 1167312fec14SDave Airlie static int get_clock(void *i2c_priv) 1168312fec14SDave Airlie { 1169312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1170312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 117130062562SY.C. Chen uint32_t val, val2, count, pass; 1172312fec14SDave Airlie 117330062562SY.C. Chen count = 0; 117430062562SY.C. Chen pass = 0; 117530062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 117630062562SY.C. Chen do { 117730062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 117830062562SY.C. Chen if (val == val2) { 117930062562SY.C. Chen pass++; 118030062562SY.C. Chen } else { 118130062562SY.C. Chen pass = 0; 118230062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4) & 0x01; 118330062562SY.C. Chen } 118430062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 118530062562SY.C. Chen 1186312fec14SDave Airlie return val & 1 ? 1 : 0; 1187312fec14SDave Airlie } 1188312fec14SDave Airlie 1189312fec14SDave Airlie static int get_data(void *i2c_priv) 1190312fec14SDave Airlie { 1191312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1192312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 119330062562SY.C. Chen uint32_t val, val2, count, pass; 1194312fec14SDave Airlie 119530062562SY.C. Chen count = 0; 119630062562SY.C. Chen pass = 0; 119730062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 119830062562SY.C. Chen do { 119930062562SY.C. Chen val2 = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 120030062562SY.C. Chen if (val == val2) { 120130062562SY.C. Chen pass++; 120230062562SY.C. Chen } else { 120330062562SY.C. Chen pass = 0; 120430062562SY.C. Chen val = (ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5) & 0x01; 120530062562SY.C. Chen } 120630062562SY.C. Chen } while ((pass < 5) && (count++ < 0x10000)); 120730062562SY.C. Chen 1208312fec14SDave Airlie return val & 1 ? 1 : 0; 1209312fec14SDave Airlie } 1210312fec14SDave Airlie 1211312fec14SDave Airlie static void set_clock(void *i2c_priv, int clock) 1212312fec14SDave Airlie { 1213312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1214312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1215312fec14SDave Airlie int i; 1216312fec14SDave Airlie u8 ujcrb7, jtemp; 1217312fec14SDave Airlie 1218312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1219312fec14SDave Airlie ujcrb7 = ((clock & 0x01) ? 0 : 1); 122030062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf4, ujcrb7); 1221312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); 1222312fec14SDave Airlie if (ujcrb7 == jtemp) 1223312fec14SDave Airlie break; 1224312fec14SDave Airlie } 1225312fec14SDave Airlie } 1226312fec14SDave Airlie 1227312fec14SDave Airlie static void set_data(void *i2c_priv, int data) 1228312fec14SDave Airlie { 1229312fec14SDave Airlie struct ast_i2c_chan *i2c = i2c_priv; 1230312fec14SDave Airlie struct ast_private *ast = i2c->dev->dev_private; 1231312fec14SDave Airlie int i; 1232312fec14SDave Airlie u8 ujcrb7, jtemp; 1233312fec14SDave Airlie 1234312fec14SDave Airlie for (i = 0; i < 0x10000; i++) { 1235312fec14SDave Airlie ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; 123630062562SY.C. Chen ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xf1, ujcrb7); 1237312fec14SDave Airlie jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); 1238312fec14SDave Airlie if (ujcrb7 == jtemp) 1239312fec14SDave Airlie break; 1240312fec14SDave Airlie } 1241312fec14SDave Airlie } 1242312fec14SDave Airlie 1243312fec14SDave Airlie static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) 1244312fec14SDave Airlie { 1245312fec14SDave Airlie struct ast_i2c_chan *i2c; 1246312fec14SDave Airlie int ret; 1247312fec14SDave Airlie 1248312fec14SDave Airlie i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); 1249312fec14SDave Airlie if (!i2c) 1250312fec14SDave Airlie return NULL; 1251312fec14SDave Airlie 1252312fec14SDave Airlie i2c->adapter.owner = THIS_MODULE; 1253312fec14SDave Airlie i2c->adapter.class = I2C_CLASS_DDC; 1254312fec14SDave Airlie i2c->adapter.dev.parent = &dev->pdev->dev; 1255312fec14SDave Airlie i2c->dev = dev; 1256312fec14SDave Airlie i2c_set_adapdata(&i2c->adapter, i2c); 1257312fec14SDave Airlie snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), 1258312fec14SDave Airlie "AST i2c bit bus"); 1259312fec14SDave Airlie i2c->adapter.algo_data = &i2c->bit; 1260312fec14SDave Airlie 1261312fec14SDave Airlie i2c->bit.udelay = 20; 1262312fec14SDave Airlie i2c->bit.timeout = 2; 1263312fec14SDave Airlie i2c->bit.data = i2c; 1264312fec14SDave Airlie i2c->bit.setsda = set_data; 1265312fec14SDave Airlie i2c->bit.setscl = set_clock; 1266312fec14SDave Airlie i2c->bit.getsda = get_data; 1267312fec14SDave Airlie i2c->bit.getscl = get_clock; 1268312fec14SDave Airlie ret = i2c_bit_add_bus(&i2c->adapter); 1269312fec14SDave Airlie if (ret) { 1270312fec14SDave Airlie DRM_ERROR("Failed to register bit i2c\n"); 1271312fec14SDave Airlie goto out_free; 1272312fec14SDave Airlie } 1273312fec14SDave Airlie 1274312fec14SDave Airlie return i2c; 1275312fec14SDave Airlie out_free: 1276312fec14SDave Airlie kfree(i2c); 1277312fec14SDave Airlie return NULL; 1278312fec14SDave Airlie } 1279312fec14SDave Airlie 1280312fec14SDave Airlie static void ast_i2c_destroy(struct ast_i2c_chan *i2c) 1281312fec14SDave Airlie { 1282312fec14SDave Airlie if (!i2c) 1283312fec14SDave Airlie return; 1284312fec14SDave Airlie i2c_del_adapter(&i2c->adapter); 1285312fec14SDave Airlie kfree(i2c); 1286312fec14SDave Airlie } 1287312fec14SDave Airlie 1288312fec14SDave Airlie static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) 1289312fec14SDave Airlie { 1290312fec14SDave Airlie union { 1291312fec14SDave Airlie u32 ul; 1292312fec14SDave Airlie u8 b[4]; 1293312fec14SDave Airlie } srcdata32[2], data32; 1294312fec14SDave Airlie union { 1295312fec14SDave Airlie u16 us; 1296312fec14SDave Airlie u8 b[2]; 1297312fec14SDave Airlie } data16; 1298312fec14SDave Airlie u32 csum = 0; 1299312fec14SDave Airlie s32 alpha_dst_delta, last_alpha_dst_delta; 1300312fec14SDave Airlie u8 *srcxor, *dstxor; 1301312fec14SDave Airlie int i, j; 1302312fec14SDave Airlie u32 per_pixel_copy, two_pixel_copy; 1303312fec14SDave Airlie 1304312fec14SDave Airlie alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; 1305312fec14SDave Airlie last_alpha_dst_delta = alpha_dst_delta - (width << 1); 1306312fec14SDave Airlie 1307312fec14SDave Airlie srcxor = src; 1308312fec14SDave Airlie dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; 1309312fec14SDave Airlie per_pixel_copy = width & 1; 1310312fec14SDave Airlie two_pixel_copy = width >> 1; 1311312fec14SDave Airlie 1312312fec14SDave Airlie for (j = 0; j < height; j++) { 1313312fec14SDave Airlie for (i = 0; i < two_pixel_copy; i++) { 1314312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1315312fec14SDave Airlie srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; 1316312fec14SDave Airlie data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1317312fec14SDave Airlie data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 13181e99cfa8SBenjamin Herrenschmidt data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); 13191e99cfa8SBenjamin Herrenschmidt data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); 1320312fec14SDave Airlie 1321312fec14SDave Airlie writel(data32.ul, dstxor); 1322312fec14SDave Airlie csum += data32.ul; 1323312fec14SDave Airlie 1324312fec14SDave Airlie dstxor += 4; 1325312fec14SDave Airlie srcxor += 8; 1326312fec14SDave Airlie 1327312fec14SDave Airlie } 1328312fec14SDave Airlie 1329312fec14SDave Airlie for (i = 0; i < per_pixel_copy; i++) { 1330312fec14SDave Airlie srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; 1331312fec14SDave Airlie data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); 1332312fec14SDave Airlie data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); 1333312fec14SDave Airlie writew(data16.us, dstxor); 1334312fec14SDave Airlie csum += (u32)data16.us; 1335312fec14SDave Airlie 1336312fec14SDave Airlie dstxor += 2; 1337312fec14SDave Airlie srcxor += 4; 1338312fec14SDave Airlie } 1339312fec14SDave Airlie dstxor += last_alpha_dst_delta; 1340312fec14SDave Airlie } 1341312fec14SDave Airlie return csum; 1342312fec14SDave Airlie } 1343312fec14SDave Airlie 13442f5989fcSThomas Zimmermann static int ast_cursor_update(void *dst, void *src, unsigned int width, 13452f5989fcSThomas Zimmermann unsigned int height) 13462f5989fcSThomas Zimmermann { 13472f5989fcSThomas Zimmermann u32 csum; 13482f5989fcSThomas Zimmermann 13492f5989fcSThomas Zimmermann /* do data transfer to cursor cache */ 13502f5989fcSThomas Zimmermann csum = copy_cursor_image(src, dst, width, height); 13512f5989fcSThomas Zimmermann 13522f5989fcSThomas Zimmermann /* write checksum + signature */ 13532f5989fcSThomas Zimmermann dst += AST_HWC_SIZE; 13542f5989fcSThomas Zimmermann writel(csum, dst); 13552f5989fcSThomas Zimmermann writel(width, dst + AST_HWC_SIGNATURE_SizeX); 13562f5989fcSThomas Zimmermann writel(height, dst + AST_HWC_SIGNATURE_SizeY); 13572f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); 13582f5989fcSThomas Zimmermann writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); 13592f5989fcSThomas Zimmermann 13602f5989fcSThomas Zimmermann return 0; 13612f5989fcSThomas Zimmermann } 13622f5989fcSThomas Zimmermann 13632f5989fcSThomas Zimmermann static void ast_cursor_set_base(struct ast_private *ast, u64 address) 13642f5989fcSThomas Zimmermann { 13652f5989fcSThomas Zimmermann u8 addr0 = (address >> 3) & 0xff; 13662f5989fcSThomas Zimmermann u8 addr1 = (address >> 11) & 0xff; 13672f5989fcSThomas Zimmermann u8 addr2 = (address >> 19) & 0xff; 13682f5989fcSThomas Zimmermann 13692f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0); 13702f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1); 13712f5989fcSThomas Zimmermann ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2); 13722f5989fcSThomas Zimmermann } 13732f5989fcSThomas Zimmermann 1374312fec14SDave Airlie static int ast_cursor_move(struct drm_crtc *crtc, 1375312fec14SDave Airlie int x, int y) 1376312fec14SDave Airlie { 1377312fec14SDave Airlie struct ast_crtc *ast_crtc = to_ast_crtc(crtc); 1378312fec14SDave Airlie struct ast_private *ast = crtc->dev->dev_private; 13790090ef3eSThomas Zimmermann struct drm_gem_vram_object *gbo; 1380312fec14SDave Airlie int x_offset, y_offset; 13810090ef3eSThomas Zimmermann u8 *dst, *sig; 138296a49f39SThomas Zimmermann u8 jreg; 1383312fec14SDave Airlie 13840090ef3eSThomas Zimmermann gbo = ast->cursor.gbo[ast->cursor.next_index]; 13850090ef3eSThomas Zimmermann dst = drm_gem_vram_vmap(gbo); 13860090ef3eSThomas Zimmermann if (IS_ERR(dst)) 13870090ef3eSThomas Zimmermann return PTR_ERR(dst); 13880090ef3eSThomas Zimmermann 13890090ef3eSThomas Zimmermann sig = dst + AST_HWC_SIZE; 1390312fec14SDave Airlie writel(x, sig + AST_HWC_SIGNATURE_X); 1391312fec14SDave Airlie writel(y, sig + AST_HWC_SIGNATURE_Y); 1392312fec14SDave Airlie 1393312fec14SDave Airlie x_offset = ast_crtc->offset_x; 1394312fec14SDave Airlie y_offset = ast_crtc->offset_y; 1395312fec14SDave Airlie if (x < 0) { 1396312fec14SDave Airlie x_offset = (-x) + ast_crtc->offset_x; 1397312fec14SDave Airlie x = 0; 1398312fec14SDave Airlie } 1399312fec14SDave Airlie 1400312fec14SDave Airlie if (y < 0) { 1401312fec14SDave Airlie y_offset = (-y) + ast_crtc->offset_y; 1402312fec14SDave Airlie y = 0; 1403312fec14SDave Airlie } 1404312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); 1405312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); 1406312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); 1407312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); 1408312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); 1409312fec14SDave Airlie ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); 1410312fec14SDave Airlie 1411312fec14SDave Airlie /* dummy write to fire HWC */ 141296a49f39SThomas Zimmermann jreg = 0x02 | 141396a49f39SThomas Zimmermann 0x01; /* enable ARGB4444 cursor */ 141496a49f39SThomas Zimmermann ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); 1415312fec14SDave Airlie 14160090ef3eSThomas Zimmermann drm_gem_vram_vunmap(gbo, dst); 14170090ef3eSThomas Zimmermann 1418312fec14SDave Airlie return 0; 1419312fec14SDave Airlie } 1420