drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c

   1 /*
   2  * ti_hdmi_4xxx_ip.c
   3  *
   4  * HDMI TI81xx, TI38xx, TI OMAP4 etc IP driver Library
   5  * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
   6  * Authors: Yong Zhi
   7  *      Mythri pk <mythripk@ti.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License version 2 as published by
  11  * the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but WITHOUT
  14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  16  * more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along with
  19  * this program.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/module.h>
  24 #include <linux/err.h>
  25 #include <linux/io.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/mutex.h>
  28 #include <linux/delay.h>
  29 #include <linux/string.h>
  30 #include <linux/seq_file.h>
  31 #include <linux/gpio.h>
  32
  33 #include "ti_hdmi_4xxx_ip.h"
  34 #include "dss.h"
  35
  36 static inline void hdmi_write_reg(void __iomem *base_addr,
  37                                 const u16 idx, u32 val)
  38 {
  39         __raw_writel(val, base_addr + idx);
  40 }
  41
  42 static inline u32 hdmi_read_reg(void __iomem *base_addr,
  43                                 const u16 idx)
  44 {
  45         return __raw_readl(base_addr + idx);
  46 }
  47
  48 static inline void __iomem *hdmi_wp_base(struct hdmi_ip_data *ip_data)
  49 {
  50         return ip_data->base_wp;
  51 }
  52
  53 static inline void __iomem *hdmi_phy_base(struct hdmi_ip_data *ip_data)
  54 {
  55         return ip_data->base_wp + ip_data->phy_offset;
  56 }
  57
  58 static inline void __iomem *hdmi_pll_base(struct hdmi_ip_data *ip_data)
  59 {
  60         return ip_data->base_wp + ip_data->pll_offset;
  61 }
  62
  63 static inline void __iomem *hdmi_av_base(struct hdmi_ip_data *ip_data)
  64 {
  65         return ip_data->base_wp + ip_data->core_av_offset;
  66 }
  67
  68 static inline void __iomem *hdmi_core_sys_base(struct hdmi_ip_data *ip_data)
  69 {
  70         return ip_data->base_wp + ip_data->core_sys_offset;
  71 }
  72
  73 static inline int hdmi_wait_for_bit_change(void __iomem *base_addr,
  74                                 const u16 idx,
  75                                 int b2, int b1, u32 val)
  76 {
  77         u32 t = 0;
  78         while (val != REG_GET(base_addr, idx, b2, b1)) {
  79                 udelay(1);
  80                 if (t++ > 10000)
  81                         return !val;
  82         }
  83         return val;
  84 }
  85
  86 static int hdmi_pll_init(struct hdmi_ip_data *ip_data)
  87 {
  88         u32 r;
  89         void __iomem *pll_base = hdmi_pll_base(ip_data);
  90         struct hdmi_pll_info *fmt = &ip_data->pll_data;
  91
  92         /* PLL start always use manual mode */
  93         REG_FLD_MOD(pll_base, PLLCTRL_PLL_CONTROL, 0x0, 0, 0);
  94
  95         r = hdmi_read_reg(pll_base, PLLCTRL_CFG1);
  96         r = FLD_MOD(r, fmt->regm, 20, 9); /* CFG1_PLL_REGM */
  97         r = FLD_MOD(r, fmt->regn - 1, 8, 1);  /* CFG1_PLL_REGN */
  98
  99         hdmi_write_reg(pll_base, PLLCTRL_CFG1, r);
 100
 101         r = hdmi_read_reg(pll_base, PLLCTRL_CFG2);
 102
 103         r = FLD_MOD(r, 0x0, 12, 12); /* PLL_HIGHFREQ divide by 2 */
 104         r = FLD_MOD(r, 0x1, 13, 13); /* PLL_REFEN */
 105         r = FLD_MOD(r, 0x0, 14, 14); /* PHY_CLKINEN de-assert during locking */
 106         r = FLD_MOD(r, fmt->refsel, 22, 21); /* REFSEL */
 107
 108         if (fmt->dcofreq) {
 109                 /* divider programming for frequency beyond 1000Mhz */
 110                 REG_FLD_MOD(pll_base, PLLCTRL_CFG3, fmt->regsd, 17, 10);
 111                 r = FLD_MOD(r, 0x4, 3, 1); /* 1000MHz and 2000MHz */
 112         } else {
 113                 r = FLD_MOD(r, 0x2, 3, 1); /* 500MHz and 1000MHz */
 114         }
 115
 116         hdmi_write_reg(pll_base, PLLCTRL_CFG2, r);
 117
 118         r = hdmi_read_reg(pll_base, PLLCTRL_CFG4);
 119         r = FLD_MOD(r, fmt->regm2, 24, 18);
 120         r = FLD_MOD(r, fmt->regmf, 17, 0);
 121
 122         hdmi_write_reg(pll_base, PLLCTRL_CFG4, r);
 123
 124         /* go now */
 125         REG_FLD_MOD(pll_base, PLLCTRL_PLL_GO, 0x1, 0, 0);
 126
 127         /* wait for bit change */
 128         if (hdmi_wait_for_bit_change(pll_base, PLLCTRL_PLL_GO,
 129                                                         0, 0, 1) != 1) {
 130                 pr_err("PLL GO bit not set\n");
 131                 return -ETIMEDOUT;
 132         }
 133
 134         /* Wait till the lock bit is set in PLL status */
 135         if (hdmi_wait_for_bit_change(pll_base,
 136                                 PLLCTRL_PLL_STATUS, 1, 1, 1) != 1) {
 137                 pr_err("cannot lock PLL\n");
 138                 pr_err("CFG1 0x%x\n",
 139                         hdmi_read_reg(pll_base, PLLCTRL_CFG1));
 140                 pr_err("CFG2 0x%x\n",
 141                         hdmi_read_reg(pll_base, PLLCTRL_CFG2));
 142                 pr_err("CFG4 0x%x\n",
 143                         hdmi_read_reg(pll_base, PLLCTRL_CFG4));
 144                 return -ETIMEDOUT;
 145         }
 146
 147         pr_debug("PLL locked!\n");
 148
 149         return 0;
 150 }
 151
 152 /* PHY_PWR_CMD */
 153 static int hdmi_set_phy_pwr(struct hdmi_ip_data *ip_data, enum hdmi_phy_pwr val)
 154 {
 155         /* Command for power control of HDMI PHY */
 156         REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, val, 7, 6);
 157
 158         /* Status of the power control of HDMI PHY */
 159         if (hdmi_wait_for_bit_change(hdmi_wp_base(ip_data),
 160                                 HDMI_WP_PWR_CTRL, 5, 4, val) != val) {
 161                 pr_err("Failed to set PHY power mode to %d\n", val);
 162                 return -ETIMEDOUT;
 163         }
 164
 165         return 0;
 166 }
 167
 168 /* PLL_PWR_CMD */
 169 static int hdmi_set_pll_pwr(struct hdmi_ip_data *ip_data, enum hdmi_pll_pwr val)
 170 {
 171         /* Command for power control of HDMI PLL */
 172         REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, val, 3, 2);
 173
 174         /* wait till PHY_PWR_STATUS is set */
 175         if (hdmi_wait_for_bit_change(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL,
 176                                                 1, 0, val) != val) {
 177                 pr_err("Failed to set PLL_PWR_STATUS\n");
 178                 return -ETIMEDOUT;
 179         }
 180
 181         return 0;
 182 }
 183
 184 static int hdmi_pll_reset(struct hdmi_ip_data *ip_data)
 185 {
 186         /* SYSRESET  controlled by power FSM */
 187         REG_FLD_MOD(hdmi_pll_base(ip_data), PLLCTRL_PLL_CONTROL, 0x0, 3, 3);
 188
 189         /* READ 0x0 reset is in progress */
 190         if (hdmi_wait_for_bit_change(hdmi_pll_base(ip_data),
 191                                 PLLCTRL_PLL_STATUS, 0, 0, 1) != 1) {
 192                 pr_err("Failed to sysreset PLL\n");
 193                 return -ETIMEDOUT;
 194         }
 195
 196         return 0;
 197 }
 198
 199 int ti_hdmi_4xxx_pll_enable(struct hdmi_ip_data *ip_data)
 200 {
 201         u16 r = 0;
 202
 203         r = hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF);
 204         if (r)
 205                 return r;
 206
 207         r = hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_BOTHON_ALLCLKS);
 208         if (r)
 209                 return r;
 210
 211         r = hdmi_pll_reset(ip_data);
 212         if (r)
 213                 return r;
 214
 215         r = hdmi_pll_init(ip_data);
 216         if (r)
 217                 return r;
 218
 219         return 0;
 220 }
 221
 222 void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data)
 223 {
 224         hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF);
 225 }
 226
 227 static int hdmi_check_hpd_state(struct hdmi_ip_data *ip_data)
 228 {
 229         unsigned long flags;
 230         bool hpd;
 231         int r;
 232         /* this should be in ti_hdmi_4xxx_ip private data */
 233         static DEFINE_SPINLOCK(phy_tx_lock);
 234
 235         spin_lock_irqsave(&phy_tx_lock, flags);
 236
 237         hpd = gpio_get_value(ip_data->hpd_gpio);
 238
 239         if (hpd == ip_data->phy_tx_enabled) {
 240                 spin_unlock_irqrestore(&phy_tx_lock, flags);
 241                 return 0;
 242         }
 243
 244         if (hpd)
 245                 r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON);
 246         else
 247                 r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_LDOON);
 248
 249         if (r) {
 250                 DSSERR("Failed to %s PHY TX power\n",
 251                                 hpd ? "enable" : "disable");
 252                 goto err;
 253         }
 254
 255         ip_data->phy_tx_enabled = hpd;
 256 err:
 257         spin_unlock_irqrestore(&phy_tx_lock, flags);
 258         return r;
 259 }
 260
 261 static irqreturn_t hpd_irq_handler(int irq, void *data)
 262 {
 263         struct hdmi_ip_data *ip_data = data;
 264
 265         hdmi_check_hpd_state(ip_data);
 266
 267         return IRQ_HANDLED;
 268 }
 269
 270 int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data)
 271 {
 272         u16 r = 0;
 273         void __iomem *phy_base = hdmi_phy_base(ip_data);
 274
 275         r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_LDOON);
 276         if (r)
 277                 return r;
 278
 279         /*
 280          * Read address 0 in order to get the SCP reset done completed
 281          * Dummy access performed to make sure reset is done
 282          */
 283         hdmi_read_reg(phy_base, HDMI_TXPHY_TX_CTRL);
 284
 285         /*
 286          * Write to phy address 0 to configure the clock
 287          * use HFBITCLK write HDMI_TXPHY_TX_CONTROL_FREQOUT field
 288          */
 289         REG_FLD_MOD(phy_base, HDMI_TXPHY_TX_CTRL, 0x1, 31, 30);
 290
 291         /* Write to phy address 1 to start HDMI line (TXVALID and TMDSCLKEN) */
 292         hdmi_write_reg(phy_base, HDMI_TXPHY_DIGITAL_CTRL, 0xF0000000);
 293
 294         /* Setup max LDO voltage */
 295         REG_FLD_MOD(phy_base, HDMI_TXPHY_POWER_CTRL, 0xB, 3, 0);
 296
 297         /* Write to phy address 3 to change the polarity control */
 298         REG_FLD_MOD(phy_base, HDMI_TXPHY_PAD_CFG_CTRL, 0x1, 27, 27);
 299
 300         r = request_threaded_irq(gpio_to_irq(ip_data->hpd_gpio),
 301                         NULL, hpd_irq_handler,
 302                         IRQF_DISABLED | IRQF_TRIGGER_RISING |
 303                         IRQF_TRIGGER_FALLING, "hpd", ip_data);
 304         if (r) {
 305                 DSSERR("HPD IRQ request failed\n");
 306                 hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
 307                 return r;
 308         }
 309
 310         r = hdmi_check_hpd_state(ip_data);
 311         if (r) {
 312                 free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data);
 313                 hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
 314                 return r;
 315         }
 316
 317         return 0;
 318 }
 319
 320 void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data)
 321 {
 322         free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data);
 323
 324         hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF);
 325         ip_data->phy_tx_enabled = false;
 326 }
 327
 328 static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data)
 329 {
 330         void __iomem *base = hdmi_core_sys_base(ip_data);
 331
 332         /* Turn on CLK for DDC */
 333         REG_FLD_MOD(base, HDMI_CORE_AV_DPD, 0x7, 2, 0);
 334
 335         /* IN_PROG */
 336         if (REG_GET(base, HDMI_CORE_DDC_STATUS, 4, 4) == 1) {
 337                 /* Abort transaction */
 338                 REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0xf, 3, 0);
 339                 /* IN_PROG */
 340                 if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
 341                                         4, 4, 0) != 0) {
 342                         DSSERR("Timeout aborting DDC transaction\n");
 343                         return -ETIMEDOUT;
 344                 }
 345         }
 346
 347         /* Clk SCL Devices */
 348         REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0xA, 3, 0);
 349
 350         /* HDMI_CORE_DDC_STATUS_IN_PROG */
 351         if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
 352                                 4, 4, 0) != 0) {
 353                 DSSERR("Timeout starting SCL clock\n");
 354                 return -ETIMEDOUT;
 355         }
 356
 357         /* Clear FIFO */
 358         REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x9, 3, 0);
 359
 360         /* HDMI_CORE_DDC_STATUS_IN_PROG */
 361         if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
 362                                 4, 4, 0) != 0) {
 363                 DSSERR("Timeout clearing DDC fifo\n");
 364                 return -ETIMEDOUT;
 365         }
 366
 367         return 0;
 368 }
 369
 370 static int hdmi_core_ddc_edid(struct hdmi_ip_data *ip_data,
 371                 u8 *pedid, int ext)
 372 {
 373         void __iomem *base = hdmi_core_sys_base(ip_data);
 374         u32 i;
 375         char checksum;
 376         u32 offset = 0;
 377
 378         /* HDMI_CORE_DDC_STATUS_IN_PROG */
 379         if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
 380                                 4, 4, 0) != 0) {
 381                 DSSERR("Timeout waiting DDC to be ready\n");
 382                 return -ETIMEDOUT;
 383         }
 384
 385         if (ext % 2 != 0)
 386                 offset = 0x80;
 387
 388         /* Load Segment Address Register */
 389         REG_FLD_MOD(base, HDMI_CORE_DDC_SEGM, ext / 2, 7, 0);
 390
 391         /* Load Slave Address Register */
 392         REG_FLD_MOD(base, HDMI_CORE_DDC_ADDR, 0xA0 >> 1, 7, 1);
 393
 394         /* Load Offset Address Register */
 395         REG_FLD_MOD(base, HDMI_CORE_DDC_OFFSET, offset, 7, 0);
 396
 397         /* Load Byte Count */
 398         REG_FLD_MOD(base, HDMI_CORE_DDC_COUNT1, 0x80, 7, 0);
 399         REG_FLD_MOD(base, HDMI_CORE_DDC_COUNT2, 0x0, 1, 0);
 400
 401         /* Set DDC_CMD */
 402         if (ext)
 403                 REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x4, 3, 0);
 404         else
 405                 REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x2, 3, 0);
 406
 407         /* HDMI_CORE_DDC_STATUS_BUS_LOW */
 408         if (REG_GET(base, HDMI_CORE_DDC_STATUS, 6, 6) == 1) {
 409                 pr_err("I2C Bus Low?\n");
 410                 return -EIO;
 411         }
 412         /* HDMI_CORE_DDC_STATUS_NO_ACK */
 413         if (REG_GET(base, HDMI_CORE_DDC_STATUS, 5, 5) == 1) {
 414                 pr_err("I2C No Ack\n");
 415                 return -EIO;
 416         }
 417
 418         for (i = 0; i < 0x80; ++i) {
 419                 int t;
 420
 421                 /* IN_PROG */
 422                 if (REG_GET(base, HDMI_CORE_DDC_STATUS, 4, 4) == 0) {
 423                         DSSERR("operation stopped when reading edid\n");
 424                         return -EIO;
 425                 }
 426
 427                 t = 0;
 428                 /* FIFO_EMPTY */
 429                 while (REG_GET(base, HDMI_CORE_DDC_STATUS, 2, 2) == 1) {
 430                         if (t++ > 10000) {
 431                                 DSSERR("timeout reading edid\n");
 432                                 return -ETIMEDOUT;
 433                         }
 434                         udelay(1);
 435                 }
 436
 437                 pedid[i] = REG_GET(base, HDMI_CORE_DDC_DATA, 7, 0);
 438         }
 439
 440         checksum = 0;
 441         for (i = 0; i < 0x80; ++i)
 442                 checksum += pedid[i];
 443
 444         if (checksum != 0) {
 445                 pr_err("E-EDID checksum failed!!\n");
 446                 return -EIO;
 447         }
 448
 449         return 0;
 450 }
 451
 452 int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data,
 453                                 u8 *edid, int len)
 454 {
 455         int r, l;
 456
 457         if (len < 128)
 458                 return -EINVAL;
 459
 460         r = hdmi_core_ddc_init(ip_data);
 461         if (r)
 462                 return r;
 463
 464         r = hdmi_core_ddc_edid(ip_data, edid, 0);
 465         if (r)
 466                 return r;
 467
 468         l = 128;
 469
 470         if (len >= 128 * 2 && edid[0x7e] > 0) {
 471                 r = hdmi_core_ddc_edid(ip_data, edid + 0x80, 1);
 472                 if (r)
 473                         return r;
 474                 l += 128;
 475         }
 476
 477         return l;
 478 }
 479
 480 bool ti_hdmi_4xxx_detect(struct hdmi_ip_data *ip_data)
 481 {
 482         return gpio_get_value(ip_data->hpd_gpio);
 483 }
 484
 485 static void hdmi_core_init(struct hdmi_core_video_config *video_cfg,
 486                         struct hdmi_core_infoframe_avi *avi_cfg,
 487                         struct hdmi_core_packet_enable_repeat *repeat_cfg)
 488 {
 489         pr_debug("Enter hdmi_core_init\n");
 490
 491         /* video core */
 492         video_cfg->ip_bus_width = HDMI_INPUT_8BIT;
 493         video_cfg->op_dither_truc = HDMI_OUTPUTTRUNCATION_8BIT;
 494         video_cfg->deep_color_pkt = HDMI_DEEPCOLORPACKECTDISABLE;
 495         video_cfg->pkt_mode = HDMI_PACKETMODERESERVEDVALUE;
 496         video_cfg->hdmi_dvi = HDMI_DVI;
 497         video_cfg->tclk_sel_clkmult = HDMI_FPLL10IDCK;
 498
 499         /* info frame */
 500         avi_cfg->db1_format = 0;
 501         avi_cfg->db1_active_info = 0;
 502         avi_cfg->db1_bar_info_dv = 0;
 503         avi_cfg->db1_scan_info = 0;
 504         avi_cfg->db2_colorimetry = 0;
 505         avi_cfg->db2_aspect_ratio = 0;
 506         avi_cfg->db2_active_fmt_ar = 0;
 507         avi_cfg->db3_itc = 0;
 508         avi_cfg->db3_ec = 0;
 509         avi_cfg->db3_q_range = 0;
 510         avi_cfg->db3_nup_scaling = 0;
 511         avi_cfg->db4_videocode = 0;
 512         avi_cfg->db5_pixel_repeat = 0;
 513         avi_cfg->db6_7_line_eoftop = 0 ;
 514         avi_cfg->db8_9_line_sofbottom = 0;
 515         avi_cfg->db10_11_pixel_eofleft = 0;
 516         avi_cfg->db12_13_pixel_sofright = 0;
 517
 518         /* packet enable and repeat */
 519         repeat_cfg->audio_pkt = 0;
 520         repeat_cfg->audio_pkt_repeat = 0;
 521         repeat_cfg->avi_infoframe = 0;
 522         repeat_cfg->avi_infoframe_repeat = 0;
 523         repeat_cfg->gen_cntrl_pkt = 0;
 524         repeat_cfg->gen_cntrl_pkt_repeat = 0;
 525         repeat_cfg->generic_pkt = 0;
 526         repeat_cfg->generic_pkt_repeat = 0;
 527 }
 528
 529 static void hdmi_core_powerdown_disable(struct hdmi_ip_data *ip_data)
 530 {
 531         pr_debug("Enter hdmi_core_powerdown_disable\n");
 532         REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_CTRL1, 0x0, 0, 0);
 533 }
 534
 535 static void hdmi_core_swreset_release(struct hdmi_ip_data *ip_data)
 536 {
 537         pr_debug("Enter hdmi_core_swreset_release\n");
 538         REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SRST, 0x0, 0, 0);
 539 }
 540
 541 static void hdmi_core_swreset_assert(struct hdmi_ip_data *ip_data)
 542 {
 543         pr_debug("Enter hdmi_core_swreset_assert\n");
 544         REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SRST, 0x1, 0, 0);
 545 }
 546
 547 /* HDMI_CORE_VIDEO_CONFIG */
 548 static void hdmi_core_video_config(struct hdmi_ip_data *ip_data,
 549                                 struct hdmi_core_video_config *cfg)
 550 {
 551         u32 r = 0;
 552         void __iomem *core_sys_base = hdmi_core_sys_base(ip_data);
 553
 554         /* sys_ctrl1 default configuration not tunable */
 555         r = hdmi_read_reg(core_sys_base, HDMI_CORE_CTRL1);
 556         r = FLD_MOD(r, HDMI_CORE_CTRL1_VEN_FOLLOWVSYNC, 5, 5);
 557         r = FLD_MOD(r, HDMI_CORE_CTRL1_HEN_FOLLOWHSYNC, 4, 4);
 558         r = FLD_MOD(r, HDMI_CORE_CTRL1_BSEL_24BITBUS, 2, 2);
 559         r = FLD_MOD(r, HDMI_CORE_CTRL1_EDGE_RISINGEDGE, 1, 1);
 560         hdmi_write_reg(core_sys_base, HDMI_CORE_CTRL1, r);
 561
 562         REG_FLD_MOD(core_sys_base,
 563                         HDMI_CORE_SYS_VID_ACEN, cfg->ip_bus_width, 7, 6);
 564
 565         /* Vid_Mode */
 566         r = hdmi_read_reg(core_sys_base, HDMI_CORE_SYS_VID_MODE);
 567
 568         /* dither truncation configuration */
 569         if (cfg->op_dither_truc > HDMI_OUTPUTTRUNCATION_12BIT) {
 570                 r = FLD_MOD(r, cfg->op_dither_truc - 3, 7, 6);
 571                 r = FLD_MOD(r, 1, 5, 5);
 572         } else {
 573                 r = FLD_MOD(r, cfg->op_dither_truc, 7, 6);
 574                 r = FLD_MOD(r, 0, 5, 5);
 575         }
 576         hdmi_write_reg(core_sys_base, HDMI_CORE_SYS_VID_MODE, r);
 577
 578         /* HDMI_Ctrl */
 579         r = hdmi_read_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL);
 580         r = FLD_MOD(r, cfg->deep_color_pkt, 6, 6);
 581         r = FLD_MOD(r, cfg->pkt_mode, 5, 3);
 582         r = FLD_MOD(r, cfg->hdmi_dvi, 0, 0);
 583         hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL, r);
 584
 585         /* TMDS_CTRL */
 586         REG_FLD_MOD(core_sys_base,
 587                         HDMI_CORE_SYS_TMDS_CTRL, cfg->tclk_sel_clkmult, 6, 5);
 588 }
 589
 590 static void hdmi_core_aux_infoframe_avi_config(struct hdmi_ip_data *ip_data,
 591                 struct hdmi_core_infoframe_avi info_avi)
 592 {
 593         u32 val;
 594         char sum = 0, checksum = 0;
 595         void __iomem *av_base = hdmi_av_base(ip_data);
 596
 597         sum += 0x82 + 0x002 + 0x00D;
 598         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_TYPE, 0x082);
 599         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_VERS, 0x002);
 600         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_LEN, 0x00D);
 601
 602         val = (info_avi.db1_format << 5) |
 603                 (info_avi.db1_active_info << 4) |
 604                 (info_avi.db1_bar_info_dv << 2) |
 605                 (info_avi.db1_scan_info);
 606         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(0), val);
 607         sum += val;
 608
 609         val = (info_avi.db2_colorimetry << 6) |
 610                 (info_avi.db2_aspect_ratio << 4) |
 611                 (info_avi.db2_active_fmt_ar);
 612         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(1), val);
 613         sum += val;
 614
 615         val = (info_avi.db3_itc << 7) |
 616                 (info_avi.db3_ec << 4) |
 617                 (info_avi.db3_q_range << 2) |
 618                 (info_avi.db3_nup_scaling);
 619         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(2), val);
 620         sum += val;
 621
 622         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(3),
 623                                         info_avi.db4_videocode);
 624         sum += info_avi.db4_videocode;
 625
 626         val = info_avi.db5_pixel_repeat;
 627         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(4), val);
 628         sum += val;
 629
 630         val = info_avi.db6_7_line_eoftop & 0x00FF;
 631         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(5), val);
 632         sum += val;
 633
 634         val = ((info_avi.db6_7_line_eoftop >> 8) & 0x00FF);
 635         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(6), val);
 636         sum += val;
 637
 638         val = info_avi.db8_9_line_sofbottom & 0x00FF;
 639         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(7), val);
 640         sum += val;
 641
 642         val = ((info_avi.db8_9_line_sofbottom >> 8) & 0x00FF);
 643         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(8), val);
 644         sum += val;
 645
 646         val = info_avi.db10_11_pixel_eofleft & 0x00FF;
 647         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(9), val);
 648         sum += val;
 649
 650         val = ((info_avi.db10_11_pixel_eofleft >> 8) & 0x00FF);
 651         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(10), val);
 652         sum += val;
 653
 654         val = info_avi.db12_13_pixel_sofright & 0x00FF;
 655         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(11), val);
 656         sum += val;
 657
 658         val = ((info_avi.db12_13_pixel_sofright >> 8) & 0x00FF);
 659         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(12), val);
 660         sum += val;
 661
 662         checksum = 0x100 - sum;
 663         hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_CHSUM, checksum);
 664 }
 665
 666 static void hdmi_core_av_packet_config(struct hdmi_ip_data *ip_data,
 667                 struct hdmi_core_packet_enable_repeat repeat_cfg)
 668 {
 669         /* enable/repeat the infoframe */
 670         hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_PB_CTRL1,
 671                 (repeat_cfg.audio_pkt << 5) |
 672                 (repeat_cfg.audio_pkt_repeat << 4) |
 673                 (repeat_cfg.avi_infoframe << 1) |
 674                 (repeat_cfg.avi_infoframe_repeat));
 675
 676         /* enable/repeat the packet */
 677         hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_PB_CTRL2,
 678                 (repeat_cfg.gen_cntrl_pkt << 3) |
 679                 (repeat_cfg.gen_cntrl_pkt_repeat << 2) |
 680                 (repeat_cfg.generic_pkt << 1) |
 681                 (repeat_cfg.generic_pkt_repeat));
 682 }
 683
 684 static void hdmi_wp_init(struct omap_video_timings *timings,
 685                         struct hdmi_video_format *video_fmt,
 686                         struct hdmi_video_interface *video_int)
 687 {
 688         pr_debug("Enter hdmi_wp_init\n");
 689
 690         timings->hbp = 0;
 691         timings->hfp = 0;
 692         timings->hsw = 0;
 693         timings->vbp = 0;
 694         timings->vfp = 0;
 695         timings->vsw = 0;
 696
 697         video_fmt->packing_mode = HDMI_PACK_10b_RGB_YUV444;
 698         video_fmt->y_res = 0;
 699         video_fmt->x_res = 0;
 700
 701         video_int->vsp = 0;
 702         video_int->hsp = 0;
 703
 704         video_int->interlacing = 0;
 705         video_int->tm = 0; /* HDMI_TIMING_SLAVE */
 706
 707 }
 708
 709 void ti_hdmi_4xxx_wp_video_start(struct hdmi_ip_data *ip_data, bool start)
 710 {
 711         REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, start, 31, 31);
 712 }
 713
 714 static void hdmi_wp_video_init_format(struct hdmi_video_format *video_fmt,
 715         struct omap_video_timings *timings, struct hdmi_config *param)
 716 {
 717         pr_debug("Enter hdmi_wp_video_init_format\n");
 718
 719         video_fmt->y_res = param->timings.timings.y_res;
 720         video_fmt->x_res = param->timings.timings.x_res;
 721
 722         timings->hbp = param->timings.timings.hbp;
 723         timings->hfp = param->timings.timings.hfp;
 724         timings->hsw = param->timings.timings.hsw;
 725         timings->vbp = param->timings.timings.vbp;
 726         timings->vfp = param->timings.timings.vfp;
 727         timings->vsw = param->timings.timings.vsw;
 728 }
 729
 730 static void hdmi_wp_video_config_format(struct hdmi_ip_data *ip_data,
 731                 struct hdmi_video_format *video_fmt)
 732 {
 733         u32 l = 0;
 734
 735         REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG,
 736                         video_fmt->packing_mode, 10, 8);
 737
 738         l |= FLD_VAL(video_fmt->y_res, 31, 16);
 739         l |= FLD_VAL(video_fmt->x_res, 15, 0);
 740         hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_SIZE, l);
 741 }
 742
 743 static void hdmi_wp_video_config_interface(struct hdmi_ip_data *ip_data,
 744                 struct hdmi_video_interface *video_int)
 745 {
 746         u32 r;
 747         pr_debug("Enter hdmi_wp_video_config_interface\n");
 748
 749         r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG);
 750         r = FLD_MOD(r, video_int->vsp, 7, 7);
 751         r = FLD_MOD(r, video_int->hsp, 6, 6);
 752         r = FLD_MOD(r, video_int->interlacing, 3, 3);
 753         r = FLD_MOD(r, video_int->tm, 1, 0);
 754         hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, r);
 755 }
 756
 757 static void hdmi_wp_video_config_timing(struct hdmi_ip_data *ip_data,
 758                 struct omap_video_timings *timings)
 759 {
 760         u32 timing_h = 0;
 761         u32 timing_v = 0;
 762
 763         pr_debug("Enter hdmi_wp_video_config_timing\n");
 764
 765         timing_h |= FLD_VAL(timings->hbp, 31, 20);
 766         timing_h |= FLD_VAL(timings->hfp, 19, 8);
 767         timing_h |= FLD_VAL(timings->hsw, 7, 0);
 768         hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_TIMING_H, timing_h);
 769
 770         timing_v |= FLD_VAL(timings->vbp, 31, 20);
 771         timing_v |= FLD_VAL(timings->vfp, 19, 8);
 772         timing_v |= FLD_VAL(timings->vsw, 7, 0);
 773         hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_TIMING_V, timing_v);
 774 }
 775
 776 void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data)
 777 {
 778         /* HDMI */
 779         struct omap_video_timings video_timing;
 780         struct hdmi_video_format video_format;
 781         struct hdmi_video_interface video_interface;
 782         /* HDMI core */
 783         struct hdmi_core_infoframe_avi avi_cfg;
 784         struct hdmi_core_video_config v_core_cfg;
 785         struct hdmi_core_packet_enable_repeat repeat_cfg;
 786         struct hdmi_config *cfg = &ip_data->cfg;
 787
 788         hdmi_wp_init(&video_timing, &video_format,
 789                 &video_interface);
 790
 791         hdmi_core_init(&v_core_cfg,
 792                 &avi_cfg,
 793                 &repeat_cfg);
 794
 795         hdmi_wp_video_init_format(&video_format, &video_timing, cfg);
 796
 797         hdmi_wp_video_config_timing(ip_data, &video_timing);
 798
 799         /* video config */
 800         video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422;
 801
 802         hdmi_wp_video_config_format(ip_data, &video_format);
 803
 804         video_interface.vsp = cfg->timings.vsync_pol;
 805         video_interface.hsp = cfg->timings.hsync_pol;
 806         video_interface.interlacing = cfg->interlace;
 807         video_interface.tm = 1 ; /* HDMI_TIMING_MASTER_24BIT */
 808
 809         hdmi_wp_video_config_interface(ip_data, &video_interface);
 810
 811         /*
 812          * configure core video part
 813          * set software reset in the core
 814          */
 815         hdmi_core_swreset_assert(ip_data);
 816
 817         /* power down off */
 818         hdmi_core_powerdown_disable(ip_data);
 819
 820         v_core_cfg.pkt_mode = HDMI_PACKETMODE24BITPERPIXEL;
 821         v_core_cfg.hdmi_dvi = cfg->cm.mode;
 822
 823         hdmi_core_video_config(ip_data, &v_core_cfg);
 824
 825         /* release software reset in the core */
 826         hdmi_core_swreset_release(ip_data);
 827
 828         /*
 829          * configure packet
 830          * info frame video see doc CEA861-D page 65
 831          */
 832         avi_cfg.db1_format = HDMI_INFOFRAME_AVI_DB1Y_RGB;
 833         avi_cfg.db1_active_info =
 834                 HDMI_INFOFRAME_AVI_DB1A_ACTIVE_FORMAT_OFF;
 835         avi_cfg.db1_bar_info_dv = HDMI_INFOFRAME_AVI_DB1B_NO;
 836         avi_cfg.db1_scan_info = HDMI_INFOFRAME_AVI_DB1S_0;
 837         avi_cfg.db2_colorimetry = HDMI_INFOFRAME_AVI_DB2C_NO;
 838         avi_cfg.db2_aspect_ratio = HDMI_INFOFRAME_AVI_DB2M_NO;
 839         avi_cfg.db2_active_fmt_ar = HDMI_INFOFRAME_AVI_DB2R_SAME;
 840         avi_cfg.db3_itc = HDMI_INFOFRAME_AVI_DB3ITC_NO;
 841         avi_cfg.db3_ec = HDMI_INFOFRAME_AVI_DB3EC_XVYUV601;
 842         avi_cfg.db3_q_range = HDMI_INFOFRAME_AVI_DB3Q_DEFAULT;
 843         avi_cfg.db3_nup_scaling = HDMI_INFOFRAME_AVI_DB3SC_NO;
 844         avi_cfg.db4_videocode = cfg->cm.code;
 845         avi_cfg.db5_pixel_repeat = HDMI_INFOFRAME_AVI_DB5PR_NO;
 846         avi_cfg.db6_7_line_eoftop = 0;
 847         avi_cfg.db8_9_line_sofbottom = 0;
 848         avi_cfg.db10_11_pixel_eofleft = 0;
 849         avi_cfg.db12_13_pixel_sofright = 0;
 850
 851         hdmi_core_aux_infoframe_avi_config(ip_data, avi_cfg);
 852
 853         /* enable/repeat the infoframe */
 854         repeat_cfg.avi_infoframe = HDMI_PACKETENABLE;
 855         repeat_cfg.avi_infoframe_repeat = HDMI_PACKETREPEATON;
 856         /* wakeup */
 857         repeat_cfg.audio_pkt = HDMI_PACKETENABLE;
 858         repeat_cfg.audio_pkt_repeat = HDMI_PACKETREPEATON;
 859         hdmi_core_av_packet_config(ip_data, repeat_cfg);
 860 }
 861
 862 void ti_hdmi_4xxx_wp_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
 863 {
 864 #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r,\
 865                 hdmi_read_reg(hdmi_wp_base(ip_data), r))
 866
 867         DUMPREG(HDMI_WP_REVISION);
 868         DUMPREG(HDMI_WP_SYSCONFIG);
 869         DUMPREG(HDMI_WP_IRQSTATUS_RAW);
 870         DUMPREG(HDMI_WP_IRQSTATUS);
 871         DUMPREG(HDMI_WP_PWR_CTRL);
 872         DUMPREG(HDMI_WP_IRQENABLE_SET);
 873         DUMPREG(HDMI_WP_VIDEO_CFG);
 874         DUMPREG(HDMI_WP_VIDEO_SIZE);
 875         DUMPREG(HDMI_WP_VIDEO_TIMING_H);
 876         DUMPREG(HDMI_WP_VIDEO_TIMING_V);
 877         DUMPREG(HDMI_WP_WP_CLK);
 878         DUMPREG(HDMI_WP_AUDIO_CFG);
 879         DUMPREG(HDMI_WP_AUDIO_CFG2);
 880         DUMPREG(HDMI_WP_AUDIO_CTRL);
 881         DUMPREG(HDMI_WP_AUDIO_DATA);
 882 }
 883
 884 void ti_hdmi_4xxx_pll_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
 885 {
 886 #define DUMPPLL(r) seq_printf(s, "%-35s %08x\n", #r,\
 887                 hdmi_read_reg(hdmi_pll_base(ip_data), r))
 888
 889         DUMPPLL(PLLCTRL_PLL_CONTROL);
 890         DUMPPLL(PLLCTRL_PLL_STATUS);
 891         DUMPPLL(PLLCTRL_PLL_GO);
 892         DUMPPLL(PLLCTRL_CFG1);
 893         DUMPPLL(PLLCTRL_CFG2);
 894         DUMPPLL(PLLCTRL_CFG3);
 895         DUMPPLL(PLLCTRL_CFG4);
 896 }
 897
 898 void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
 899 {
 900         int i;
 901
 902 #define CORE_REG(i, name) name(i)
 903 #define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
 904                 hdmi_read_reg(hdmi_pll_base(ip_data), r))
 905 #define DUMPCOREAV(i, r) seq_printf(s, "%s[%d]%*s %08x\n", #r, i, \
 906                 (i < 10) ? 32 - strlen(#r) : 31 - strlen(#r), " ", \
 907                 hdmi_read_reg(hdmi_pll_base(ip_data), CORE_REG(i, r)))
 908
 909         DUMPCORE(HDMI_CORE_SYS_VND_IDL);
 910         DUMPCORE(HDMI_CORE_SYS_DEV_IDL);
 911         DUMPCORE(HDMI_CORE_SYS_DEV_IDH);
 912         DUMPCORE(HDMI_CORE_SYS_DEV_REV);
 913         DUMPCORE(HDMI_CORE_SYS_SRST);
 914         DUMPCORE(HDMI_CORE_CTRL1);
 915         DUMPCORE(HDMI_CORE_SYS_SYS_STAT);
 916         DUMPCORE(HDMI_CORE_SYS_VID_ACEN);
 917         DUMPCORE(HDMI_CORE_SYS_VID_MODE);
 918         DUMPCORE(HDMI_CORE_SYS_INTR_STATE);
 919         DUMPCORE(HDMI_CORE_SYS_INTR1);
 920         DUMPCORE(HDMI_CORE_SYS_INTR2);
 921         DUMPCORE(HDMI_CORE_SYS_INTR3);
 922         DUMPCORE(HDMI_CORE_SYS_INTR4);
 923         DUMPCORE(HDMI_CORE_SYS_UMASK1);
 924         DUMPCORE(HDMI_CORE_SYS_TMDS_CTRL);
 925         DUMPCORE(HDMI_CORE_SYS_DE_DLY);
 926         DUMPCORE(HDMI_CORE_SYS_DE_CTRL);
 927         DUMPCORE(HDMI_CORE_SYS_DE_TOP);
 928         DUMPCORE(HDMI_CORE_SYS_DE_CNTL);
 929         DUMPCORE(HDMI_CORE_SYS_DE_CNTH);
 930         DUMPCORE(HDMI_CORE_SYS_DE_LINL);
 931         DUMPCORE(HDMI_CORE_SYS_DE_LINH_1);
 932
 933         DUMPCORE(HDMI_CORE_DDC_CMD);
 934         DUMPCORE(HDMI_CORE_DDC_STATUS);
 935         DUMPCORE(HDMI_CORE_DDC_ADDR);
 936         DUMPCORE(HDMI_CORE_DDC_OFFSET);
 937         DUMPCORE(HDMI_CORE_DDC_COUNT1);
 938         DUMPCORE(HDMI_CORE_DDC_COUNT2);
 939         DUMPCORE(HDMI_CORE_DDC_DATA);
 940         DUMPCORE(HDMI_CORE_DDC_SEGM);
 941
 942         DUMPCORE(HDMI_CORE_AV_HDMI_CTRL);
 943         DUMPCORE(HDMI_CORE_AV_DPD);
 944         DUMPCORE(HDMI_CORE_AV_PB_CTRL1);
 945         DUMPCORE(HDMI_CORE_AV_PB_CTRL2);
 946         DUMPCORE(HDMI_CORE_AV_AVI_TYPE);
 947         DUMPCORE(HDMI_CORE_AV_AVI_VERS);
 948         DUMPCORE(HDMI_CORE_AV_AVI_LEN);
 949         DUMPCORE(HDMI_CORE_AV_AVI_CHSUM);
 950
 951         for (i = 0; i < HDMI_CORE_AV_AVI_DBYTE_NELEMS; i++)
 952                 DUMPCOREAV(i, HDMI_CORE_AV_AVI_DBYTE);
 953
 954         for (i = 0; i < HDMI_CORE_AV_SPD_DBYTE_NELEMS; i++)
 955                 DUMPCOREAV(i, HDMI_CORE_AV_SPD_DBYTE);
 956
 957         for (i = 0; i < HDMI_CORE_AV_AUD_DBYTE_NELEMS; i++)
 958                 DUMPCOREAV(i, HDMI_CORE_AV_AUD_DBYTE);
 959
 960         for (i = 0; i < HDMI_CORE_AV_MPEG_DBYTE_NELEMS; i++)
 961                 DUMPCOREAV(i, HDMI_CORE_AV_MPEG_DBYTE);
 962
 963         for (i = 0; i < HDMI_CORE_AV_GEN_DBYTE_NELEMS; i++)
 964                 DUMPCOREAV(i, HDMI_CORE_AV_GEN_DBYTE);
 965
 966         for (i = 0; i < HDMI_CORE_AV_GEN2_DBYTE_NELEMS; i++)
 967                 DUMPCOREAV(i, HDMI_CORE_AV_GEN2_DBYTE);
 968
 969         DUMPCORE(HDMI_CORE_AV_ACR_CTRL);
 970         DUMPCORE(HDMI_CORE_AV_FREQ_SVAL);
 971         DUMPCORE(HDMI_CORE_AV_N_SVAL1);
 972         DUMPCORE(HDMI_CORE_AV_N_SVAL2);
 973         DUMPCORE(HDMI_CORE_AV_N_SVAL3);
 974         DUMPCORE(HDMI_CORE_AV_CTS_SVAL1);
 975         DUMPCORE(HDMI_CORE_AV_CTS_SVAL2);
 976         DUMPCORE(HDMI_CORE_AV_CTS_SVAL3);
 977         DUMPCORE(HDMI_CORE_AV_CTS_HVAL1);
 978         DUMPCORE(HDMI_CORE_AV_CTS_HVAL2);
 979         DUMPCORE(HDMI_CORE_AV_CTS_HVAL3);
 980         DUMPCORE(HDMI_CORE_AV_AUD_MODE);
 981         DUMPCORE(HDMI_CORE_AV_SPDIF_CTRL);
 982         DUMPCORE(HDMI_CORE_AV_HW_SPDIF_FS);
 983         DUMPCORE(HDMI_CORE_AV_SWAP_I2S);
 984         DUMPCORE(HDMI_CORE_AV_SPDIF_ERTH);
 985         DUMPCORE(HDMI_CORE_AV_I2S_IN_MAP);
 986         DUMPCORE(HDMI_CORE_AV_I2S_IN_CTRL);
 987         DUMPCORE(HDMI_CORE_AV_I2S_CHST0);
 988         DUMPCORE(HDMI_CORE_AV_I2S_CHST1);
 989         DUMPCORE(HDMI_CORE_AV_I2S_CHST2);
 990         DUMPCORE(HDMI_CORE_AV_I2S_CHST4);
 991         DUMPCORE(HDMI_CORE_AV_I2S_CHST5);
 992         DUMPCORE(HDMI_CORE_AV_ASRC);
 993         DUMPCORE(HDMI_CORE_AV_I2S_IN_LEN);
 994         DUMPCORE(HDMI_CORE_AV_HDMI_CTRL);
 995         DUMPCORE(HDMI_CORE_AV_AUDO_TXSTAT);
 996         DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_1);
 997         DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_2);
 998         DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_3);
 999         DUMPCORE(HDMI_CORE_AV_TEST_TXCTRL);
1000         DUMPCORE(HDMI_CORE_AV_DPD);
1001         DUMPCORE(HDMI_CORE_AV_PB_CTRL1);
1002         DUMPCORE(HDMI_CORE_AV_PB_CTRL2);
1003         DUMPCORE(HDMI_CORE_AV_AVI_TYPE);
1004         DUMPCORE(HDMI_CORE_AV_AVI_VERS);
1005         DUMPCORE(HDMI_CORE_AV_AVI_LEN);
1006         DUMPCORE(HDMI_CORE_AV_AVI_CHSUM);
1007         DUMPCORE(HDMI_CORE_AV_SPD_TYPE);
1008         DUMPCORE(HDMI_CORE_AV_SPD_VERS);
1009         DUMPCORE(HDMI_CORE_AV_SPD_LEN);
1010         DUMPCORE(HDMI_CORE_AV_SPD_CHSUM);
1011         DUMPCORE(HDMI_CORE_AV_AUDIO_TYPE);
1012         DUMPCORE(HDMI_CORE_AV_AUDIO_VERS);
1013         DUMPCORE(HDMI_CORE_AV_AUDIO_LEN);
1014         DUMPCORE(HDMI_CORE_AV_AUDIO_CHSUM);
1015         DUMPCORE(HDMI_CORE_AV_MPEG_TYPE);
1016         DUMPCORE(HDMI_CORE_AV_MPEG_VERS);
1017         DUMPCORE(HDMI_CORE_AV_MPEG_LEN);
1018         DUMPCORE(HDMI_CORE_AV_MPEG_CHSUM);
1019         DUMPCORE(HDMI_CORE_AV_CP_BYTE1);
1020         DUMPCORE(HDMI_CORE_AV_CEC_ADDR_ID);
1021 }
1022
1023 void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
1024 {
1025 #define DUMPPHY(r) seq_printf(s, "%-35s %08x\n", #r,\
1026                 hdmi_read_reg(hdmi_phy_base(ip_data), r))
1027
1028         DUMPPHY(HDMI_TXPHY_TX_CTRL);
1029         DUMPPHY(HDMI_TXPHY_DIGITAL_CTRL);
1030         DUMPPHY(HDMI_TXPHY_POWER_CTRL);
1031         DUMPPHY(HDMI_TXPHY_PAD_CFG_CTRL);
1032 }
1033
1034 #if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \
1035         defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE)
1036 void hdmi_wp_audio_config_format(struct hdmi_ip_data *ip_data,
1037                                         struct hdmi_audio_format *aud_fmt)
1038 {
1039         u32 r;
1040
1041         DSSDBG("Enter hdmi_wp_audio_config_format\n");
1042
1043         r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG);
1044         r = FLD_MOD(r, aud_fmt->stereo_channels, 26, 24);
1045         r = FLD_MOD(r, aud_fmt->active_chnnls_msk, 23, 16);
1046         r = FLD_MOD(r, aud_fmt->en_sig_blk_strt_end, 5, 5);
1047         r = FLD_MOD(r, aud_fmt->type, 4, 4);
1048         r = FLD_MOD(r, aud_fmt->justification, 3, 3);
1049         r = FLD_MOD(r, aud_fmt->sample_order, 2, 2);
1050         r = FLD_MOD(r, aud_fmt->samples_per_word, 1, 1);
1051         r = FLD_MOD(r, aud_fmt->sample_size, 0, 0);
1052         hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG, r);
1053 }
1054
1055 void hdmi_wp_audio_config_dma(struct hdmi_ip_data *ip_data,
1056                                         struct hdmi_audio_dma *aud_dma)
1057 {
1058         u32 r;
1059
1060         DSSDBG("Enter hdmi_wp_audio_config_dma\n");
1061
1062         r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2);
1063         r = FLD_MOD(r, aud_dma->transfer_size, 15, 8);
1064         r = FLD_MOD(r, aud_dma->block_size, 7, 0);
1065         hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2, r);
1066
1067         r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL);
1068         r = FLD_MOD(r, aud_dma->mode, 9, 9);
1069         r = FLD_MOD(r, aud_dma->fifo_threshold, 8, 0);
1070         hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL, r);
1071 }
1072
1073 void hdmi_core_audio_config(struct hdmi_ip_data *ip_data,
1074                                         struct hdmi_core_audio_config *cfg)
1075 {
1076         u32 r;
1077         void __iomem *av_base = hdmi_av_base(ip_data);
1078
1079         /* audio clock recovery parameters */
1080         r = hdmi_read_reg(av_base, HDMI_CORE_AV_ACR_CTRL);
1081         r = FLD_MOD(r, cfg->use_mclk, 2, 2);
1082         r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1);
1083         r = FLD_MOD(r, cfg->cts_mode, 0, 0);
1084         hdmi_write_reg(av_base, HDMI_CORE_AV_ACR_CTRL, r);
1085
1086         REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL1, cfg->n, 7, 0);
1087         REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL2, cfg->n >> 8, 7, 0);
1088         REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL3, cfg->n >> 16, 7, 0);
1089
1090         if (cfg->cts_mode == HDMI_AUDIO_CTS_MODE_SW) {
1091                 REG_FLD_MOD(av_base, HDMI_CORE_AV_CTS_SVAL1, cfg->cts, 7, 0);
1092                 REG_FLD_MOD(av_base,
1093                                 HDMI_CORE_AV_CTS_SVAL2, cfg->cts >> 8, 7, 0);
1094                 REG_FLD_MOD(av_base,
1095                                 HDMI_CORE_AV_CTS_SVAL3, cfg->cts >> 16, 7, 0);
1096         } else {
1097                 /*
1098                  * HDMI IP uses this configuration to divide the MCLK to
1099                  * update CTS value.
1100                  */
1101                 REG_FLD_MOD(av_base,
1102                                 HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0);
1103
1104                 /* Configure clock for audio packets */
1105                 REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_1,
1106                                 cfg->aud_par_busclk, 7, 0);
1107                 REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_2,
1108                                 (cfg->aud_par_busclk >> 8), 7, 0);
1109                 REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_3,
1110                                 (cfg->aud_par_busclk >> 16), 7, 0);
1111         }
1112
1113         /* Override of SPDIF sample frequency with value in I2S_CHST4 */
1114         REG_FLD_MOD(av_base, HDMI_CORE_AV_SPDIF_CTRL,
1115                                                 cfg->fs_override, 1, 1);
1116
1117         /* I2S parameters */
1118         REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_CHST4,
1119                                                 cfg->freq_sample, 3, 0);
1120
1121         r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL);
1122         r = FLD_MOD(r, cfg->i2s_cfg.en_high_bitrate_aud, 7, 7);
1123         r = FLD_MOD(r, cfg->i2s_cfg.sck_edge_mode, 6, 6);
1124         r = FLD_MOD(r, cfg->i2s_cfg.cbit_order, 5, 5);
1125         r = FLD_MOD(r, cfg->i2s_cfg.vbit, 4, 4);
1126         r = FLD_MOD(r, cfg->i2s_cfg.ws_polarity, 3, 3);
1127         r = FLD_MOD(r, cfg->i2s_cfg.justification, 2, 2);
1128         r = FLD_MOD(r, cfg->i2s_cfg.direction, 1, 1);
1129         r = FLD_MOD(r, cfg->i2s_cfg.shift, 0, 0);
1130         hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL, r);
1131
1132         r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_CHST5);
1133         r = FLD_MOD(r, cfg->freq_sample, 7, 4);
1134         r = FLD_MOD(r, cfg->i2s_cfg.word_length, 3, 1);
1135         r = FLD_MOD(r, cfg->i2s_cfg.word_max_length, 0, 0);
1136         hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST5, r);
1137
1138         REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_IN_LEN,
1139                         cfg->i2s_cfg.in_length_bits, 3, 0);
1140
1141         /* Audio channels and mode parameters */
1142         REG_FLD_MOD(av_base, HDMI_CORE_AV_HDMI_CTRL, cfg->layout, 2, 1);
1143         r = hdmi_read_reg(av_base, HDMI_CORE_AV_AUD_MODE);
1144         r = FLD_MOD(r, cfg->i2s_cfg.active_sds, 7, 4);
1145         r = FLD_MOD(r, cfg->en_dsd_audio, 3, 3);
1146         r = FLD_MOD(r, cfg->en_parallel_aud_input, 2, 2);
1147         r = FLD_MOD(r, cfg->en_spdif, 1, 1);
1148         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_MODE, r);
1149 }
1150
1151 void hdmi_core_audio_infoframe_config(struct hdmi_ip_data *ip_data,
1152                 struct hdmi_core_infoframe_audio *info_aud)
1153 {
1154         u8 val;
1155         u8 sum = 0, checksum = 0;
1156         void __iomem *av_base = hdmi_av_base(ip_data);
1157
1158         /*
1159          * Set audio info frame type, version and length as
1160          * described in HDMI 1.4a Section 8.2.2 specification.
1161          * Checksum calculation is defined in Section 5.3.5.
1162          */
1163         hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_TYPE, 0x84);
1164         hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_VERS, 0x01);
1165         hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_LEN, 0x0a);
1166         sum += 0x84 + 0x001 + 0x00a;
1167
1168         val = (info_aud->db1_coding_type << 4)
1169                         | (info_aud->db1_channel_count - 1);
1170         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(0), val);
1171         sum += val;
1172
1173         val = (info_aud->db2_sample_freq << 2) | info_aud->db2_sample_size;
1174         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(1), val);
1175         sum += val;
1176
1177         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(2), 0x00);
1178
1179         val = info_aud->db4_channel_alloc;
1180         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(3), val);
1181         sum += val;
1182
1183         val = (info_aud->db5_downmix_inh << 7) | (info_aud->db5_lsv << 3);
1184         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(4), val);
1185         sum += val;
1186
1187         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(5), 0x00);
1188         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(6), 0x00);
1189         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(7), 0x00);
1190         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(8), 0x00);
1191         hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(9), 0x00);
1192
1193         checksum = 0x100 - sum;
1194         hdmi_write_reg(av_base,
1195                                         HDMI_CORE_AV_AUDIO_CHSUM, checksum);
1196
1197         /*
1198          * TODO: Add MPEG and SPD enable and repeat cfg when EDID parsing
1199          * is available.
1200          */
1201 }
1202
1203 int hdmi_config_audio_acr(struct hdmi_ip_data *ip_data,
1204                                 u32 sample_freq, u32 *n, u32 *cts)
1205 {
1206         u32 r;
1207         u32 deep_color = 0;
1208         u32 pclk = ip_data->cfg.timings.timings.pixel_clock;
1209
1210         if (n == NULL || cts == NULL)
1211                 return -EINVAL;
1212         /*
1213          * Obtain current deep color configuration. This needed
1214          * to calculate the TMDS clock based on the pixel clock.
1215          */
1216         r = REG_GET(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, 1, 0);
1217         switch (r) {
1218         case 1: /* No deep color selected */
1219                 deep_color = 100;
1220                 break;
1221         case 2: /* 10-bit deep color selected */
1222                 deep_color = 125;
1223                 break;
1224         case 3: /* 12-bit deep color selected */
1225                 deep_color = 150;
1226                 break;
1227         default:
1228                 return -EINVAL;
1229         }
1230
1231         switch (sample_freq) {
1232         case 32000:
1233                 if ((deep_color == 125) && ((pclk == 54054)
1234                                 || (pclk == 74250)))
1235                         *n = 8192;
1236                 else
1237                         *n = 4096;
1238                 break;
1239         case 44100:
1240                 *n = 6272;
1241                 break;
1242         case 48000:
1243                 if ((deep_color == 125) && ((pclk == 54054)
1244                                 || (pclk == 74250)))
1245                         *n = 8192;
1246                 else
1247                         *n = 6144;
1248                 break;
1249         default:
1250                 *n = 0;
1251                 return -EINVAL;
1252         }
1253
1254         /* Calculate CTS. See HDMI 1.3a or 1.4a specifications */
1255         *cts = pclk * (*n / 128) * deep_color / (sample_freq / 10);
1256
1257         return 0;
1258 }
1259
1260 int hdmi_audio_trigger(struct hdmi_ip_data *ip_data,
1261                                 struct snd_pcm_substream *substream, int cmd,
1262                                 struct snd_soc_dai *dai)
1263 {
1264         int err = 0;
1265         switch (cmd) {
1266         case SNDRV_PCM_TRIGGER_START:
1267         case SNDRV_PCM_TRIGGER_RESUME:
1268         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1269                 REG_FLD_MOD(hdmi_av_base(ip_data),
1270                                         HDMI_CORE_AV_AUD_MODE, 1, 0, 0);
1271                 REG_FLD_MOD(hdmi_wp_base(ip_data),
1272                                         HDMI_WP_AUDIO_CTRL, 1, 31, 31);
1273                 REG_FLD_MOD(hdmi_wp_base(ip_data),
1274                                         HDMI_WP_AUDIO_CTRL, 1, 30, 30);
1275                 break;
1276
1277         case SNDRV_PCM_TRIGGER_STOP:
1278         case SNDRV_PCM_TRIGGER_SUSPEND:
1279         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1280                 REG_FLD_MOD(hdmi_av_base(ip_data),
1281                                         HDMI_CORE_AV_AUD_MODE, 0, 0, 0);
1282                 REG_FLD_MOD(hdmi_wp_base(ip_data),
1283                                         HDMI_WP_AUDIO_CTRL, 0, 30, 30);
1284                 REG_FLD_MOD(hdmi_wp_base(ip_data),
1285                                         HDMI_WP_AUDIO_CTRL, 0, 31, 31);
1286                 break;
1287         default:
1288                 err = -EINVAL;
1289         }
1290         return err;
1291 }
1292 #endif