root/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c

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DEFINITIONS

This source file includes following definitions.
  1. hdmi_core_ddc_init
  2. hdmi_core_ddc_uninit
  3. hdmi_core_ddc_edid
  4. hdmi5_read_edid
  5. hdmi5_core_dump
  6. hdmi_core_init
  7. hdmi_core_video_config
  8. hdmi_core_config_video_packetizer
  9. hdmi_core_config_csc
  10. hdmi_core_config_video_sampler
  11. hdmi_core_write_avi_infoframe
  12. hdmi_core_csc_config
  13. hdmi_core_configure_range
  14. hdmi_core_enable_video_path
  15. hdmi_core_mask_interrupts
  16. hdmi_core_enable_interrupts
  17. hdmi5_core_handle_irqs
  18. hdmi5_configure
  19. hdmi5_core_audio_config
  20. hdmi5_core_audio_infoframe_cfg
  21. hdmi5_audio_config
  22. hdmi5_core_init

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * OMAP5 HDMI CORE IP driver library
   4  *
   5  * Copyright (C) 2014 Texas Instruments Incorporated
   6  *
   7  * Authors:
   8  *      Yong Zhi
   9  *      Mythri pk
  10  *      Archit Taneja <archit@ti.com>
  11  *      Tomi Valkeinen <tomi.valkeinen@ti.com>
  12  */
  13 
  14 #include <linux/kernel.h>
  15 #include <linux/module.h>
  16 #include <linux/err.h>
  17 #include <linux/io.h>
  18 #include <linux/delay.h>
  19 #include <linux/string.h>
  20 #include <linux/seq_file.h>
  21 #include <drm/drm_edid.h>
  22 #include <sound/asound.h>
  23 #include <sound/asoundef.h>
  24 
  25 #include "hdmi5_core.h"
  26 
  27 /* only 24 bit color depth used for now */
  28 static const struct csc_table csc_table_deepcolor[] = {
  29         /* HDMI_DEEP_COLOR_24BIT */
  30         [0] = { 7036, 0, 0, 32, 0, 7036, 0, 32, 0, 0, 7036, 32, },
  31         /* HDMI_DEEP_COLOR_30BIT */
  32         [1] = { 7015, 0, 0, 128, 0, 7015, 0, 128, 0, 0, 7015, 128, },
  33         /* HDMI_DEEP_COLOR_36BIT */
  34         [2] = { 7010, 0, 0, 512, 0, 7010, 0, 512, 0, 0, 7010, 512, },
  35         /* FULL RANGE */
  36         [3] = { 8192, 0, 0, 0, 0, 8192, 0, 0, 0, 0, 8192, 0, },
  37 };
  38 
  39 static void hdmi_core_ddc_init(struct hdmi_core_data *core)
  40 {
  41         void __iomem *base = core->base;
  42         const unsigned long long iclk = 266000000;      /* DSS L3 ICLK */
  43         const unsigned ss_scl_high = 4600;              /* ns */
  44         const unsigned ss_scl_low = 5400;               /* ns */
  45         const unsigned fs_scl_high = 600;               /* ns */
  46         const unsigned fs_scl_low = 1300;               /* ns */
  47         const unsigned sda_hold = 1000;                 /* ns */
  48         const unsigned sfr_div = 10;
  49         unsigned long long sfr;
  50         unsigned v;
  51 
  52         sfr = iclk / sfr_div;   /* SFR_DIV */
  53         sfr /= 1000;            /* SFR clock in kHz */
  54 
  55         /* Reset */
  56         REG_FLD_MOD(base, HDMI_CORE_I2CM_SOFTRSTZ, 0, 0, 0);
  57         if (hdmi_wait_for_bit_change(base, HDMI_CORE_I2CM_SOFTRSTZ,
  58                                 0, 0, 1) != 1)
  59                 DSSERR("HDMI I2CM reset failed\n");
  60 
  61         /* Standard (0) or Fast (1) Mode */
  62         REG_FLD_MOD(base, HDMI_CORE_I2CM_DIV, 0, 3, 3);
  63 
  64         /* Standard Mode SCL High counter */
  65         v = DIV_ROUND_UP_ULL(ss_scl_high * sfr, 1000000);
  66         REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR,
  67                         (v >> 8) & 0xff, 7, 0);
  68         REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR,
  69                         v & 0xff, 7, 0);
  70 
  71         /* Standard Mode SCL Low counter */
  72         v = DIV_ROUND_UP_ULL(ss_scl_low * sfr, 1000000);
  73         REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR,
  74                         (v >> 8) & 0xff, 7, 0);
  75         REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR,
  76                         v & 0xff, 7, 0);
  77 
  78         /* Fast Mode SCL High Counter */
  79         v = DIV_ROUND_UP_ULL(fs_scl_high * sfr, 1000000);
  80         REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR,
  81                         (v >> 8) & 0xff, 7, 0);
  82         REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR,
  83                         v & 0xff, 7, 0);
  84 
  85         /* Fast Mode SCL Low Counter */
  86         v = DIV_ROUND_UP_ULL(fs_scl_low * sfr, 1000000);
  87         REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR,
  88                         (v >> 8) & 0xff, 7, 0);
  89         REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR,
  90                         v & 0xff, 7, 0);
  91 
  92         /* SDA Hold Time */
  93         v = DIV_ROUND_UP_ULL(sda_hold * sfr, 1000000);
  94         REG_FLD_MOD(base, HDMI_CORE_I2CM_SDA_HOLD_ADDR, v & 0xff, 7, 0);
  95 
  96         REG_FLD_MOD(base, HDMI_CORE_I2CM_SLAVE, 0x50, 6, 0);
  97         REG_FLD_MOD(base, HDMI_CORE_I2CM_SEGADDR, 0x30, 6, 0);
  98 
  99         /* NACK_POL to high */
 100         REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 7, 7);
 101 
 102         /* NACK_MASK to unmasked */
 103         REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x0, 6, 6);
 104 
 105         /* ARBITRATION_POL to high */
 106         REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 3, 3);
 107 
 108         /* ARBITRATION_MASK to unmasked */
 109         REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x0, 2, 2);
 110 
 111         /* DONE_POL to high */
 112         REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 3, 3);
 113 
 114         /* DONE_MASK to unmasked */
 115         REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x0, 2, 2);
 116 }
 117 
 118 static void hdmi_core_ddc_uninit(struct hdmi_core_data *core)
 119 {
 120         void __iomem *base = core->base;
 121 
 122         /* Mask I2C interrupts */
 123         REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 6, 6);
 124         REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 2, 2);
 125         REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 2, 2);
 126 }
 127 
 128 static int hdmi_core_ddc_edid(struct hdmi_core_data *core, u8 *pedid, u8 ext)
 129 {
 130         void __iomem *base = core->base;
 131         u8 cur_addr;
 132         char checksum = 0;
 133         const int retries = 1000;
 134         u8 seg_ptr = ext / 2;
 135         u8 edidbase = ((ext % 2) * 0x80);
 136 
 137         REG_FLD_MOD(base, HDMI_CORE_I2CM_SEGPTR, seg_ptr, 7, 0);
 138 
 139         /*
 140          * TODO: We use polling here, although we probably should use proper
 141          * interrupts.
 142          */
 143         for (cur_addr = 0; cur_addr < 128; ++cur_addr) {
 144                 int i;
 145 
 146                 /* clear ERROR and DONE */
 147                 REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0x3, 1, 0);
 148 
 149                 REG_FLD_MOD(base, HDMI_CORE_I2CM_ADDRESS,
 150                                 edidbase + cur_addr, 7, 0);
 151 
 152                 if (seg_ptr)
 153                         REG_FLD_MOD(base, HDMI_CORE_I2CM_OPERATION, 1, 1, 1);
 154                 else
 155                         REG_FLD_MOD(base, HDMI_CORE_I2CM_OPERATION, 1, 0, 0);
 156 
 157                 for (i = 0; i < retries; ++i) {
 158                         u32 stat;
 159 
 160                         stat = REG_GET(base, HDMI_CORE_IH_I2CM_STAT0, 1, 0);
 161 
 162                         /* I2CM_ERROR */
 163                         if (stat & 1) {
 164                                 DSSERR("HDMI I2C Master Error\n");
 165                                 return -EIO;
 166                         }
 167 
 168                         /* I2CM_DONE */
 169                         if (stat & (1 << 1))
 170                                 break;
 171 
 172                         usleep_range(250, 1000);
 173                 }
 174 
 175                 if (i == retries) {
 176                         DSSERR("HDMI I2C timeout reading EDID\n");
 177                         return -EIO;
 178                 }
 179 
 180                 pedid[cur_addr] = REG_GET(base, HDMI_CORE_I2CM_DATAI, 7, 0);
 181                 checksum += pedid[cur_addr];
 182         }
 183 
 184         return 0;
 185 
 186 }
 187 
 188 int hdmi5_read_edid(struct hdmi_core_data *core, u8 *edid, int len)
 189 {
 190         int r, n, i;
 191         int max_ext_blocks = (len / 128) - 1;
 192 
 193         if (len < 128)
 194                 return -EINVAL;
 195 
 196         hdmi_core_ddc_init(core);
 197 
 198         r = hdmi_core_ddc_edid(core, edid, 0);
 199         if (r)
 200                 goto out;
 201 
 202         n = edid[0x7e];
 203 
 204         if (n > max_ext_blocks)
 205                 n = max_ext_blocks;
 206 
 207         for (i = 1; i <= n; i++) {
 208                 r = hdmi_core_ddc_edid(core, edid + i * EDID_LENGTH, i);
 209                 if (r)
 210                         goto out;
 211         }
 212 
 213 out:
 214         hdmi_core_ddc_uninit(core);
 215 
 216         return r ? r : len;
 217 }
 218 
 219 void hdmi5_core_dump(struct hdmi_core_data *core, struct seq_file *s)
 220 {
 221 
 222 #define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
 223                 hdmi_read_reg(core->base, r))
 224 
 225         DUMPCORE(HDMI_CORE_FC_INVIDCONF);
 226         DUMPCORE(HDMI_CORE_FC_INHACTIV0);
 227         DUMPCORE(HDMI_CORE_FC_INHACTIV1);
 228         DUMPCORE(HDMI_CORE_FC_INHBLANK0);
 229         DUMPCORE(HDMI_CORE_FC_INHBLANK1);
 230         DUMPCORE(HDMI_CORE_FC_INVACTIV0);
 231         DUMPCORE(HDMI_CORE_FC_INVACTIV1);
 232         DUMPCORE(HDMI_CORE_FC_INVBLANK);
 233         DUMPCORE(HDMI_CORE_FC_HSYNCINDELAY0);
 234         DUMPCORE(HDMI_CORE_FC_HSYNCINDELAY1);
 235         DUMPCORE(HDMI_CORE_FC_HSYNCINWIDTH0);
 236         DUMPCORE(HDMI_CORE_FC_HSYNCINWIDTH1);
 237         DUMPCORE(HDMI_CORE_FC_VSYNCINDELAY);
 238         DUMPCORE(HDMI_CORE_FC_VSYNCINWIDTH);
 239         DUMPCORE(HDMI_CORE_FC_CTRLDUR);
 240         DUMPCORE(HDMI_CORE_FC_EXCTRLDUR);
 241         DUMPCORE(HDMI_CORE_FC_EXCTRLSPAC);
 242         DUMPCORE(HDMI_CORE_FC_CH0PREAM);
 243         DUMPCORE(HDMI_CORE_FC_CH1PREAM);
 244         DUMPCORE(HDMI_CORE_FC_CH2PREAM);
 245         DUMPCORE(HDMI_CORE_FC_AVICONF0);
 246         DUMPCORE(HDMI_CORE_FC_AVICONF1);
 247         DUMPCORE(HDMI_CORE_FC_AVICONF2);
 248         DUMPCORE(HDMI_CORE_FC_AVIVID);
 249         DUMPCORE(HDMI_CORE_FC_PRCONF);
 250 
 251         DUMPCORE(HDMI_CORE_MC_CLKDIS);
 252         DUMPCORE(HDMI_CORE_MC_SWRSTZREQ);
 253         DUMPCORE(HDMI_CORE_MC_FLOWCTRL);
 254         DUMPCORE(HDMI_CORE_MC_PHYRSTZ);
 255         DUMPCORE(HDMI_CORE_MC_LOCKONCLOCK);
 256 
 257         DUMPCORE(HDMI_CORE_I2CM_SLAVE);
 258         DUMPCORE(HDMI_CORE_I2CM_ADDRESS);
 259         DUMPCORE(HDMI_CORE_I2CM_DATAO);
 260         DUMPCORE(HDMI_CORE_I2CM_DATAI);
 261         DUMPCORE(HDMI_CORE_I2CM_OPERATION);
 262         DUMPCORE(HDMI_CORE_I2CM_INT);
 263         DUMPCORE(HDMI_CORE_I2CM_CTLINT);
 264         DUMPCORE(HDMI_CORE_I2CM_DIV);
 265         DUMPCORE(HDMI_CORE_I2CM_SEGADDR);
 266         DUMPCORE(HDMI_CORE_I2CM_SOFTRSTZ);
 267         DUMPCORE(HDMI_CORE_I2CM_SEGPTR);
 268         DUMPCORE(HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR);
 269         DUMPCORE(HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR);
 270         DUMPCORE(HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR);
 271         DUMPCORE(HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR);
 272         DUMPCORE(HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR);
 273         DUMPCORE(HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR);
 274         DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR);
 275         DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR);
 276         DUMPCORE(HDMI_CORE_I2CM_SDA_HOLD_ADDR);
 277 }
 278 
 279 static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg,
 280                         struct hdmi_config *cfg)
 281 {
 282         DSSDBG("hdmi_core_init\n");
 283 
 284         /* video core */
 285         video_cfg->data_enable_pol = 1; /* It is always 1*/
 286         video_cfg->v_fc_config.timings.hsync_level = cfg->timings.hsync_level;
 287         video_cfg->v_fc_config.timings.x_res = cfg->timings.x_res;
 288         video_cfg->v_fc_config.timings.hsw = cfg->timings.hsw - 1;
 289         video_cfg->v_fc_config.timings.hbp = cfg->timings.hbp;
 290         video_cfg->v_fc_config.timings.hfp = cfg->timings.hfp;
 291         video_cfg->hblank = cfg->timings.hfp +
 292                                 cfg->timings.hbp + cfg->timings.hsw - 1;
 293         video_cfg->v_fc_config.timings.vsync_level = cfg->timings.vsync_level;
 294         video_cfg->v_fc_config.timings.y_res = cfg->timings.y_res;
 295         video_cfg->v_fc_config.timings.vsw = cfg->timings.vsw;
 296         video_cfg->v_fc_config.timings.vfp = cfg->timings.vfp;
 297         video_cfg->v_fc_config.timings.vbp = cfg->timings.vbp;
 298         video_cfg->vblank_osc = 0; /* Always 0 - need to confirm */
 299         video_cfg->vblank = cfg->timings.vsw +
 300                                 cfg->timings.vfp + cfg->timings.vbp;
 301         video_cfg->v_fc_config.hdmi_dvi_mode = cfg->hdmi_dvi_mode;
 302         video_cfg->v_fc_config.timings.interlace = cfg->timings.interlace;
 303 }
 304 
 305 /* DSS_HDMI_CORE_VIDEO_CONFIG */
 306 static void hdmi_core_video_config(struct hdmi_core_data *core,
 307                         struct hdmi_core_vid_config *cfg)
 308 {
 309         void __iomem *base = core->base;
 310         unsigned char r = 0;
 311         bool vsync_pol, hsync_pol;
 312 
 313         vsync_pol =
 314                 cfg->v_fc_config.timings.vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
 315         hsync_pol =
 316                 cfg->v_fc_config.timings.hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
 317 
 318         /* Set hsync, vsync and data-enable polarity  */
 319         r = hdmi_read_reg(base, HDMI_CORE_FC_INVIDCONF);
 320         r = FLD_MOD(r, vsync_pol, 6, 6);
 321         r = FLD_MOD(r, hsync_pol, 5, 5);
 322         r = FLD_MOD(r, cfg->data_enable_pol, 4, 4);
 323         r = FLD_MOD(r, cfg->vblank_osc, 1, 1);
 324         r = FLD_MOD(r, cfg->v_fc_config.timings.interlace, 0, 0);
 325         hdmi_write_reg(base, HDMI_CORE_FC_INVIDCONF, r);
 326 
 327         /* set x resolution */
 328         REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV1,
 329                         cfg->v_fc_config.timings.x_res >> 8, 4, 0);
 330         REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV0,
 331                         cfg->v_fc_config.timings.x_res & 0xFF, 7, 0);
 332 
 333         /* set y resolution */
 334         REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV1,
 335                         cfg->v_fc_config.timings.y_res >> 8, 4, 0);
 336         REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV0,
 337                         cfg->v_fc_config.timings.y_res & 0xFF, 7, 0);
 338 
 339         /* set horizontal blanking pixels */
 340         REG_FLD_MOD(base, HDMI_CORE_FC_INHBLANK1, cfg->hblank >> 8, 4, 0);
 341         REG_FLD_MOD(base, HDMI_CORE_FC_INHBLANK0, cfg->hblank & 0xFF, 7, 0);
 342 
 343         /* set vertial blanking pixels */
 344         REG_FLD_MOD(base, HDMI_CORE_FC_INVBLANK, cfg->vblank, 7, 0);
 345 
 346         /* set horizontal sync offset */
 347         REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY1,
 348                         cfg->v_fc_config.timings.hfp >> 8, 4, 0);
 349         REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY0,
 350                         cfg->v_fc_config.timings.hfp & 0xFF, 7, 0);
 351 
 352         /* set vertical sync offset */
 353         REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINDELAY,
 354                         cfg->v_fc_config.timings.vfp, 7, 0);
 355 
 356         /* set horizontal sync pulse width */
 357         REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH1,
 358                         (cfg->v_fc_config.timings.hsw >> 8), 1, 0);
 359         REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH0,
 360                         cfg->v_fc_config.timings.hsw & 0xFF, 7, 0);
 361 
 362         /*  set vertical sync pulse width */
 363         REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINWIDTH,
 364                         cfg->v_fc_config.timings.vsw, 5, 0);
 365 
 366         /* select DVI mode */
 367         REG_FLD_MOD(base, HDMI_CORE_FC_INVIDCONF,
 368                         cfg->v_fc_config.hdmi_dvi_mode, 3, 3);
 369 }
 370 
 371 static void hdmi_core_config_video_packetizer(struct hdmi_core_data *core)
 372 {
 373         void __iomem *base = core->base;
 374         int clr_depth = 0;      /* 24 bit color depth */
 375 
 376         /* COLOR_DEPTH */
 377         REG_FLD_MOD(base, HDMI_CORE_VP_PR_CD, clr_depth, 7, 4);
 378         /* BYPASS_EN */
 379         REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 0 : 1, 6, 6);
 380         /* PP_EN */
 381         REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 1 : 0, 5, 5);
 382         /* YCC422_EN */
 383         REG_FLD_MOD(base, HDMI_CORE_VP_CONF, 0, 3, 3);
 384         /* PP_STUFFING */
 385         REG_FLD_MOD(base, HDMI_CORE_VP_STUFF, clr_depth ? 1 : 0, 1, 1);
 386         /* YCC422_STUFFING */
 387         REG_FLD_MOD(base, HDMI_CORE_VP_STUFF, 1, 2, 2);
 388         /* OUTPUT_SELECTOR */
 389         REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 0 : 2, 1, 0);
 390 }
 391 
 392 static void hdmi_core_config_csc(struct hdmi_core_data *core)
 393 {
 394         int clr_depth = 0;      /* 24 bit color depth */
 395 
 396         /* CSC_COLORDEPTH */
 397         REG_FLD_MOD(core->base, HDMI_CORE_CSC_SCALE, clr_depth, 7, 4);
 398 }
 399 
 400 static void hdmi_core_config_video_sampler(struct hdmi_core_data *core)
 401 {
 402         int video_mapping = 1;  /* for 24 bit color depth */
 403 
 404         /* VIDEO_MAPPING */
 405         REG_FLD_MOD(core->base, HDMI_CORE_TX_INVID0, video_mapping, 4, 0);
 406 }
 407 
 408 static void hdmi_core_write_avi_infoframe(struct hdmi_core_data *core,
 409         struct hdmi_avi_infoframe *frame)
 410 {
 411         void __iomem *base = core->base;
 412         u8 data[HDMI_INFOFRAME_SIZE(AVI)];
 413         u8 *ptr;
 414         unsigned y, a, b, s;
 415         unsigned c, m, r;
 416         unsigned itc, ec, q, sc;
 417         unsigned vic;
 418         unsigned yq, cn, pr;
 419 
 420         hdmi_avi_infoframe_pack(frame, data, sizeof(data));
 421 
 422         print_hex_dump_debug("AVI: ", DUMP_PREFIX_NONE, 16, 1, data,
 423                 HDMI_INFOFRAME_SIZE(AVI), false);
 424 
 425         ptr = data + HDMI_INFOFRAME_HEADER_SIZE;
 426 
 427         y = (ptr[0] >> 5) & 0x3;
 428         a = (ptr[0] >> 4) & 0x1;
 429         b = (ptr[0] >> 2) & 0x3;
 430         s = (ptr[0] >> 0) & 0x3;
 431 
 432         c = (ptr[1] >> 6) & 0x3;
 433         m = (ptr[1] >> 4) & 0x3;
 434         r = (ptr[1] >> 0) & 0xf;
 435 
 436         itc = (ptr[2] >> 7) & 0x1;
 437         ec = (ptr[2] >> 4) & 0x7;
 438         q = (ptr[2] >> 2) & 0x3;
 439         sc = (ptr[2] >> 0) & 0x3;
 440 
 441         vic = ptr[3];
 442 
 443         yq = (ptr[4] >> 6) & 0x3;
 444         cn = (ptr[4] >> 4) & 0x3;
 445         pr = (ptr[4] >> 0) & 0xf;
 446 
 447         hdmi_write_reg(base, HDMI_CORE_FC_AVICONF0,
 448                 (a << 6) | (s << 4) | (b << 2) | (y << 0));
 449 
 450         hdmi_write_reg(base, HDMI_CORE_FC_AVICONF1,
 451                 (c << 6) | (m << 4) | (r << 0));
 452 
 453         hdmi_write_reg(base, HDMI_CORE_FC_AVICONF2,
 454                 (itc << 7) | (ec << 4) | (q << 2) | (sc << 0));
 455 
 456         hdmi_write_reg(base, HDMI_CORE_FC_AVIVID, vic);
 457 
 458         hdmi_write_reg(base, HDMI_CORE_FC_AVICONF3,
 459                 (yq << 2) | (cn << 0));
 460 
 461         REG_FLD_MOD(base, HDMI_CORE_FC_PRCONF, pr, 3, 0);
 462 }
 463 
 464 static void hdmi_core_csc_config(struct hdmi_core_data *core,
 465                 struct csc_table csc_coeff)
 466 {
 467         void __iomem *base = core->base;
 468 
 469         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A1_MSB, csc_coeff.a1 >> 8 , 6, 0);
 470         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A1_LSB, csc_coeff.a1, 7, 0);
 471         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A2_MSB, csc_coeff.a2 >> 8, 6, 0);
 472         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A2_LSB, csc_coeff.a2, 7, 0);
 473         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A3_MSB, csc_coeff.a3 >> 8, 6, 0);
 474         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A3_LSB, csc_coeff.a3, 7, 0);
 475         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A4_MSB, csc_coeff.a4 >> 8, 6, 0);
 476         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A4_LSB, csc_coeff.a4, 7, 0);
 477         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B1_MSB, csc_coeff.b1 >> 8, 6, 0);
 478         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B1_LSB, csc_coeff.b1, 7, 0);
 479         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B2_MSB, csc_coeff.b2 >> 8, 6, 0);
 480         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B2_LSB, csc_coeff.b2, 7, 0);
 481         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B3_MSB, csc_coeff.b3 >> 8, 6, 0);
 482         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B3_LSB, csc_coeff.b3, 7, 0);
 483         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B4_MSB, csc_coeff.b4 >> 8, 6, 0);
 484         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B4_LSB, csc_coeff.b4, 7, 0);
 485         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C1_MSB, csc_coeff.c1 >> 8, 6, 0);
 486         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C1_LSB, csc_coeff.c1, 7, 0);
 487         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C2_MSB, csc_coeff.c2 >> 8, 6, 0);
 488         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C2_LSB, csc_coeff.c2, 7, 0);
 489         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C3_MSB, csc_coeff.c3 >> 8, 6, 0);
 490         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C3_LSB, csc_coeff.c3, 7, 0);
 491         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C4_MSB, csc_coeff.c4 >> 8, 6, 0);
 492         REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C4_LSB, csc_coeff.c4, 7, 0);
 493 
 494         REG_FLD_MOD(base, HDMI_CORE_MC_FLOWCTRL, 0x1, 0, 0);
 495 }
 496 
 497 static void hdmi_core_configure_range(struct hdmi_core_data *core)
 498 {
 499         struct csc_table csc_coeff = { 0 };
 500 
 501         /* support limited range with 24 bit color depth for now */
 502         csc_coeff = csc_table_deepcolor[0];
 503 
 504         hdmi_core_csc_config(core, csc_coeff);
 505 }
 506 
 507 static void hdmi_core_enable_video_path(struct hdmi_core_data *core)
 508 {
 509         void __iomem *base = core->base;
 510 
 511         DSSDBG("hdmi_core_enable_video_path\n");
 512 
 513         REG_FLD_MOD(base, HDMI_CORE_FC_CTRLDUR, 0x0C, 7, 0);
 514         REG_FLD_MOD(base, HDMI_CORE_FC_EXCTRLDUR, 0x20, 7, 0);
 515         REG_FLD_MOD(base, HDMI_CORE_FC_EXCTRLSPAC, 0x01, 7, 0);
 516         REG_FLD_MOD(base, HDMI_CORE_FC_CH0PREAM, 0x0B, 7, 0);
 517         REG_FLD_MOD(base, HDMI_CORE_FC_CH1PREAM, 0x16, 5, 0);
 518         REG_FLD_MOD(base, HDMI_CORE_FC_CH2PREAM, 0x21, 5, 0);
 519         REG_FLD_MOD(base, HDMI_CORE_MC_CLKDIS, 0x00, 0, 0);
 520         REG_FLD_MOD(base, HDMI_CORE_MC_CLKDIS, 0x00, 1, 1);
 521 }
 522 
 523 static void hdmi_core_mask_interrupts(struct hdmi_core_data *core)
 524 {
 525         void __iomem *base = core->base;
 526 
 527         /* Master IRQ mask */
 528         REG_FLD_MOD(base, HDMI_CORE_IH_MUTE, 0x3, 1, 0);
 529 
 530         /* Mask all the interrupts in HDMI core */
 531 
 532         REG_FLD_MOD(base, HDMI_CORE_VP_MASK, 0xff, 7, 0);
 533         REG_FLD_MOD(base, HDMI_CORE_FC_MASK0, 0xe7, 7, 0);
 534         REG_FLD_MOD(base, HDMI_CORE_FC_MASK1, 0xfb, 7, 0);
 535         REG_FLD_MOD(base, HDMI_CORE_FC_MASK2, 0x3, 1, 0);
 536 
 537         REG_FLD_MOD(base, HDMI_CORE_AUD_INT, 0x3, 3, 2);
 538         REG_FLD_MOD(base, HDMI_CORE_AUD_GP_MASK, 0x3, 1, 0);
 539 
 540         REG_FLD_MOD(base, HDMI_CORE_CEC_MASK, 0x7f, 6, 0);
 541 
 542         REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 6, 6);
 543         REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 2, 2);
 544         REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 2, 2);
 545 
 546         REG_FLD_MOD(base, HDMI_CORE_PHY_MASK0, 0xf3, 7, 0);
 547 
 548         REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
 549 
 550         /* Clear all the current interrupt bits */
 551 
 552         REG_FLD_MOD(base, HDMI_CORE_IH_VP_STAT0, 0xff, 7, 0);
 553         REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT0, 0xe7, 7, 0);
 554         REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT1, 0xfb, 7, 0);
 555         REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT2, 0x3, 1, 0);
 556 
 557         REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0x7, 2, 0);
 558 
 559         REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0x7f, 6, 0);
 560 
 561         REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0x3, 1, 0);
 562 
 563         REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
 564 }
 565 
 566 static void hdmi_core_enable_interrupts(struct hdmi_core_data *core)
 567 {
 568         /* Unmute interrupts */
 569         REG_FLD_MOD(core->base, HDMI_CORE_IH_MUTE, 0x0, 1, 0);
 570 }
 571 
 572 int hdmi5_core_handle_irqs(struct hdmi_core_data *core)
 573 {
 574         void __iomem *base = core->base;
 575 
 576         REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT0, 0xff, 7, 0);
 577         REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT1, 0xff, 7, 0);
 578         REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT2, 0xff, 7, 0);
 579         REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0xff, 7, 0);
 580         REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
 581         REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0xff, 7, 0);
 582         REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0xff, 7, 0);
 583         REG_FLD_MOD(base, HDMI_CORE_IH_VP_STAT0, 0xff, 7, 0);
 584         REG_FLD_MOD(base, HDMI_CORE_IH_I2CMPHY_STAT0, 0xff, 7, 0);
 585 
 586         return 0;
 587 }
 588 
 589 void hdmi5_configure(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
 590                 struct hdmi_config *cfg)
 591 {
 592         struct omap_video_timings video_timing;
 593         struct hdmi_video_format video_format;
 594         struct hdmi_core_vid_config v_core_cfg;
 595 
 596         hdmi_core_mask_interrupts(core);
 597 
 598         hdmi_core_init(&v_core_cfg, cfg);
 599 
 600         hdmi_wp_init_vid_fmt_timings(&video_format, &video_timing, cfg);
 601 
 602         hdmi_wp_video_config_timing(wp, &video_timing);
 603 
 604         /* video config */
 605         video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422;
 606 
 607         hdmi_wp_video_config_format(wp, &video_format);
 608 
 609         hdmi_wp_video_config_interface(wp, &video_timing);
 610 
 611         /* support limited range with 24 bit color depth for now */
 612         hdmi_core_configure_range(core);
 613         cfg->infoframe.quantization_range = HDMI_QUANTIZATION_RANGE_LIMITED;
 614 
 615         /*
 616          * configure core video part, set software reset in the core
 617          */
 618         v_core_cfg.packet_mode = HDMI_PACKETMODE24BITPERPIXEL;
 619 
 620         hdmi_core_video_config(core, &v_core_cfg);
 621 
 622         hdmi_core_config_video_packetizer(core);
 623         hdmi_core_config_csc(core);
 624         hdmi_core_config_video_sampler(core);
 625 
 626         if (cfg->hdmi_dvi_mode == HDMI_HDMI)
 627                 hdmi_core_write_avi_infoframe(core, &cfg->infoframe);
 628 
 629         hdmi_core_enable_video_path(core);
 630 
 631         hdmi_core_enable_interrupts(core);
 632 }
 633 
 634 static void hdmi5_core_audio_config(struct hdmi_core_data *core,
 635                         struct hdmi_core_audio_config *cfg)
 636 {
 637         void __iomem *base = core->base;
 638         u8 val;
 639 
 640         /* Mute audio before configuring */
 641         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0xf, 7, 4);
 642 
 643         /* Set the N parameter */
 644         REG_FLD_MOD(base, HDMI_CORE_AUD_N1, cfg->n, 7, 0);
 645         REG_FLD_MOD(base, HDMI_CORE_AUD_N2, cfg->n >> 8, 7, 0);
 646         REG_FLD_MOD(base, HDMI_CORE_AUD_N3, cfg->n >> 16, 3, 0);
 647 
 648         /*
 649          * CTS manual mode. Automatic mode is not supported when using audio
 650          * parallel interface.
 651          */
 652         REG_FLD_MOD(base, HDMI_CORE_AUD_CTS3, 1, 4, 4);
 653         REG_FLD_MOD(base, HDMI_CORE_AUD_CTS1, cfg->cts, 7, 0);
 654         REG_FLD_MOD(base, HDMI_CORE_AUD_CTS2, cfg->cts >> 8, 7, 0);
 655         REG_FLD_MOD(base, HDMI_CORE_AUD_CTS3, cfg->cts >> 16, 3, 0);
 656 
 657         /* Layout of Audio Sample Packets: 2-channel or multichannels */
 658         if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH)
 659                 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0, 0, 0);
 660         else
 661                 REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 1, 0, 0);
 662 
 663         /* Configure IEC-609580 Validity bits */
 664         /* Channel 0 is valid */
 665         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, 0, 0, 0);
 666         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, 0, 4, 4);
 667 
 668         if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH)
 669                 val = 1;
 670         else
 671                 val = 0;
 672 
 673         /* Channels 1, 2 setting */
 674         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 1, 1);
 675         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 5, 5);
 676         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 2, 2);
 677         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 6, 6);
 678         /* Channel 3 setting */
 679         if (cfg->layout == HDMI_AUDIO_LAYOUT_6CH)
 680                 val = 1;
 681         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 3, 3);
 682         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 7, 7);
 683 
 684         /* Configure IEC-60958 User bits */
 685         /* TODO: should be set by user. */
 686         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSU, 0, 7, 0);
 687 
 688         /* Configure IEC-60958 Channel Status word */
 689         /* CGMSA */
 690         val = cfg->iec60958_cfg->status[5] & IEC958_AES5_CON_CGMSA;
 691         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(0), val, 5, 4);
 692 
 693         /* Copyright */
 694         val = (cfg->iec60958_cfg->status[0] &
 695                         IEC958_AES0_CON_NOT_COPYRIGHT) >> 2;
 696         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(0), val, 0, 0);
 697 
 698         /* Category */
 699         hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(1),
 700                 cfg->iec60958_cfg->status[1]);
 701 
 702         /* PCM audio mode */
 703         val = (cfg->iec60958_cfg->status[0] & IEC958_AES0_CON_MODE) >> 6;
 704         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(2), val, 6, 4);
 705 
 706         /* Source number */
 707         val = cfg->iec60958_cfg->status[2] & IEC958_AES2_CON_SOURCE;
 708         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(2), val, 3, 0);
 709 
 710         /* Channel number right 0  */
 711         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(3), 2, 3, 0);
 712         /* Channel number right 1*/
 713         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(3), 4, 7, 4);
 714         /* Channel number right 2  */
 715         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(4), 6, 3, 0);
 716         /* Channel number right 3*/
 717         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(4), 8, 7, 4);
 718         /* Channel number left 0  */
 719         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(5), 1, 3, 0);
 720         /* Channel number left 1*/
 721         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(5), 3, 7, 4);
 722         /* Channel number left 2  */
 723         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(6), 5, 3, 0);
 724         /* Channel number left 3*/
 725         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(6), 7, 7, 4);
 726 
 727         /* Clock accuracy and sample rate */
 728         hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(7),
 729                 cfg->iec60958_cfg->status[3]);
 730 
 731         /* Original sample rate and word length */
 732         hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(8),
 733                 cfg->iec60958_cfg->status[4]);
 734 
 735         /* Enable FIFO empty and full interrupts */
 736         REG_FLD_MOD(base, HDMI_CORE_AUD_INT, 3, 3, 2);
 737 
 738         /* Configure GPA */
 739         /* select HBR/SPDIF interfaces */
 740         if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH) {
 741                 /* select HBR/SPDIF interfaces */
 742                 REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
 743                 /* enable two channels in GPA */
 744                 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 3, 7, 0);
 745         } else if (cfg->layout == HDMI_AUDIO_LAYOUT_6CH) {
 746                 /* select HBR/SPDIF interfaces */
 747                 REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
 748                 /* enable six channels in GPA */
 749                 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 0x3F, 7, 0);
 750         } else {
 751                 /* select HBR/SPDIF interfaces */
 752                 REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
 753                 /* enable eight channels in GPA */
 754                 REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 0xFF, 7, 0);
 755         }
 756 
 757         /* disable HBR */
 758         REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF2, 0, 0, 0);
 759         /* enable PCUV */
 760         REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF2, 1, 1, 1);
 761         /* enable GPA FIFO full and empty mask */
 762         REG_FLD_MOD(base, HDMI_CORE_AUD_GP_MASK, 3, 1, 0);
 763         /* set polarity of GPA FIFO empty interrupts */
 764         REG_FLD_MOD(base, HDMI_CORE_AUD_GP_POL, 1, 0, 0);
 765 
 766         /* unmute audio */
 767         REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0, 7, 4);
 768 }
 769 
 770 static void hdmi5_core_audio_infoframe_cfg(struct hdmi_core_data *core,
 771          struct snd_cea_861_aud_if *info_aud)
 772 {
 773         void __iomem *base = core->base;
 774 
 775         /* channel count and coding type fields in AUDICONF0 are swapped */
 776         hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF0,
 777                 (info_aud->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CC) << 4 |
 778                 (info_aud->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CT) >> 4);
 779 
 780         hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF1, info_aud->db2_sf_ss);
 781         hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF2, info_aud->db4_ca);
 782         hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF3,
 783           (info_aud->db5_dminh_lsv & CEA861_AUDIO_INFOFRAME_DB5_DM_INH) >> 3 |
 784           (info_aud->db5_dminh_lsv & CEA861_AUDIO_INFOFRAME_DB5_LSV));
 785 }
 786 
 787 int hdmi5_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
 788                         struct omap_dss_audio *audio, u32 pclk)
 789 {
 790         struct hdmi_audio_format audio_format;
 791         struct hdmi_audio_dma audio_dma;
 792         struct hdmi_core_audio_config core_cfg;
 793         int err, n, cts, channel_count;
 794         unsigned int fs_nr;
 795         bool word_length_16b = false;
 796 
 797         if (!audio || !audio->iec || !audio->cea || !core)
 798                 return -EINVAL;
 799 
 800         core_cfg.iec60958_cfg = audio->iec;
 801 
 802         if (!(audio->iec->status[4] & IEC958_AES4_CON_MAX_WORDLEN_24) &&
 803                 (audio->iec->status[4] & IEC958_AES4_CON_WORDLEN_20_16))
 804                         word_length_16b = true;
 805 
 806         /* only 16-bit word length supported atm */
 807         if (!word_length_16b)
 808                 return -EINVAL;
 809 
 810         switch (audio->iec->status[3] & IEC958_AES3_CON_FS) {
 811         case IEC958_AES3_CON_FS_32000:
 812                 fs_nr = 32000;
 813                 break;
 814         case IEC958_AES3_CON_FS_44100:
 815                 fs_nr = 44100;
 816                 break;
 817         case IEC958_AES3_CON_FS_48000:
 818                 fs_nr = 48000;
 819                 break;
 820         case IEC958_AES3_CON_FS_88200:
 821                 fs_nr = 88200;
 822                 break;
 823         case IEC958_AES3_CON_FS_96000:
 824                 fs_nr = 96000;
 825                 break;
 826         case IEC958_AES3_CON_FS_176400:
 827                 fs_nr = 176400;
 828                 break;
 829         case IEC958_AES3_CON_FS_192000:
 830                 fs_nr = 192000;
 831                 break;
 832         default:
 833                 return -EINVAL;
 834         }
 835 
 836         err = hdmi_compute_acr(pclk, fs_nr, &n, &cts);
 837         core_cfg.n = n;
 838         core_cfg.cts = cts;
 839 
 840         /* Audio channels settings */
 841         channel_count = (audio->cea->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CC)
 842                                 + 1;
 843 
 844         if (channel_count == 2)
 845                 core_cfg.layout = HDMI_AUDIO_LAYOUT_2CH;
 846         else if (channel_count == 6)
 847                 core_cfg.layout = HDMI_AUDIO_LAYOUT_6CH;
 848         else
 849                 core_cfg.layout = HDMI_AUDIO_LAYOUT_8CH;
 850 
 851         /* DMA settings */
 852         if (word_length_16b)
 853                 audio_dma.transfer_size = 0x10;
 854         else
 855                 audio_dma.transfer_size = 0x20;
 856         audio_dma.block_size = 0xC0;
 857         audio_dma.mode = HDMI_AUDIO_TRANSF_DMA;
 858         audio_dma.fifo_threshold = 0x20; /* in number of samples */
 859 
 860         /* audio FIFO format settings for 16-bit samples*/
 861         audio_format.samples_per_word = HDMI_AUDIO_ONEWORD_TWOSAMPLES;
 862         audio_format.sample_size = HDMI_AUDIO_SAMPLE_16BITS;
 863         audio_format.justification = HDMI_AUDIO_JUSTIFY_LEFT;
 864         audio_format.sample_order = HDMI_AUDIO_SAMPLE_LEFT_FIRST;
 865 
 866         /* only LPCM atm */
 867         audio_format.type = HDMI_AUDIO_TYPE_LPCM;
 868 
 869         /* only allowed option */
 870         audio_format.sample_order = HDMI_AUDIO_SAMPLE_LEFT_FIRST;
 871 
 872         /* disable start/stop signals of IEC 60958 blocks */
 873         audio_format.en_sig_blk_strt_end = HDMI_AUDIO_BLOCK_SIG_STARTEND_ON;
 874 
 875         /* configure DMA and audio FIFO format*/
 876         hdmi_wp_audio_config_dma(wp, &audio_dma);
 877         hdmi_wp_audio_config_format(wp, &audio_format);
 878 
 879         /* configure the core */
 880         hdmi5_core_audio_config(core, &core_cfg);
 881 
 882         /* configure CEA 861 audio infoframe */
 883         hdmi5_core_audio_infoframe_cfg(core, audio->cea);
 884 
 885         return 0;
 886 }
 887 
 888 int hdmi5_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
 889 {
 890         struct resource *res;
 891 
 892         res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "core");
 893         if (!res) {
 894                 DSSERR("can't get CORE IORESOURCE_MEM HDMI\n");
 895                 return -EINVAL;
 896         }
 897 
 898         core->base = devm_ioremap_resource(&pdev->dev, res);
 899         if (IS_ERR(core->base)) {
 900                 DSSERR("can't ioremap HDMI core\n");
 901                 return PTR_ERR(core->base);
 902         }
 903 
 904         return 0;
 905 }

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