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ps3av.c

/*
 *  PS3 AV backend support.
 *
 *  Copyright (C) 2007 Sony Computer Entertainment Inc.
 *  Copyright 2007 Sony Corp.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/notifier.h>
#include <linux/ioctl.h>
#include <linux/fb.h>

#include <asm/firmware.h>
#include <asm/ps3av.h>
#include <asm/ps3.h>

#include "vuart.h"

#define BUFSIZE          4096 /* vuart buf size */
#define PS3AV_BUF_SIZE   512  /* max packet size */

static int safe_mode;

static int timeout = 5000;    /* in msec ( 5 sec ) */
module_param(timeout, int, 0644);

static struct ps3av {
      struct mutex mutex;
      struct work_struct work;
      struct completion done;
      struct workqueue_struct *wq;
      int open_count;
      struct ps3_system_bus_device *dev;

      int region;
      struct ps3av_pkt_av_get_hw_conf av_hw_conf;
      u32 av_port[PS3AV_AV_PORT_MAX + PS3AV_OPT_PORT_MAX];
      u32 opt_port[PS3AV_OPT_PORT_MAX];
      u32 head[PS3AV_HEAD_MAX];
      u32 audio_port;
      int ps3av_mode;
      int ps3av_mode_old;
      union {
            struct ps3av_reply_hdr reply_hdr;
            u8 raw[PS3AV_BUF_SIZE];
      } recv_buf;
      void (*flip_ctl)(int on, void *data);
      void *flip_data;
} *ps3av;

/* color space */
#define YUV444 PS3AV_CMD_VIDEO_CS_YUV444_8
#define RGB8   PS3AV_CMD_VIDEO_CS_RGB_8
/* format */
#define XRGB   PS3AV_CMD_VIDEO_FMT_X8R8G8B8
/* aspect */
#define A_N    PS3AV_CMD_AV_ASPECT_4_3
#define A_W    PS3AV_CMD_AV_ASPECT_16_9
static const struct avset_video_mode {
      u32 cs;
      u32 fmt;
      u32 vid;
      u32 aspect;
      u32 x;
      u32 y;
      u32 interlace;
      u32 freq;
} video_mode_table[] = {
      {     0, }, /* auto */
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480I,       A_N,  720,  480, 1, 60},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480P,       A_N,  720,  480, 0, 60},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_60HZ,  A_N, 1280,  720, 0, 60},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_60HZ, A_W, 1920, 1080, 1, 60},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_60HZ, A_W, 1920, 1080, 0, 60},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576I,       A_N,  720,  576, 1, 50},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576P,       A_N,  720,  576, 0, 50},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_50HZ,  A_N, 1280,  720, 0, 50},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_50HZ, A_W, 1920, 1080, 1, 50},
      {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_50HZ, A_W, 1920, 1080, 0, 50},
      {  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WXGA,       A_W, 1280,  768, 0, 60},
      {  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_SXGA,       A_N, 1280, 1024, 0, 60},
      {  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WUXGA,      A_W, 1920, 1200, 0, 60},
};

/* supported CIDs */
static u32 cmd_table[] = {
      /* init */
      PS3AV_CID_AV_INIT,
      PS3AV_CID_AV_FIN,
      PS3AV_CID_VIDEO_INIT,
      PS3AV_CID_AUDIO_INIT,

      /* set */
      PS3AV_CID_AV_ENABLE_EVENT,
      PS3AV_CID_AV_DISABLE_EVENT,

      PS3AV_CID_AV_VIDEO_CS,
      PS3AV_CID_AV_VIDEO_MUTE,
      PS3AV_CID_AV_VIDEO_DISABLE_SIG,
      PS3AV_CID_AV_AUDIO_PARAM,
      PS3AV_CID_AV_AUDIO_MUTE,
      PS3AV_CID_AV_HDMI_MODE,
      PS3AV_CID_AV_TV_MUTE,

      PS3AV_CID_VIDEO_MODE,
      PS3AV_CID_VIDEO_FORMAT,
      PS3AV_CID_VIDEO_PITCH,

      PS3AV_CID_AUDIO_MODE,
      PS3AV_CID_AUDIO_MUTE,
      PS3AV_CID_AUDIO_ACTIVE,
      PS3AV_CID_AUDIO_INACTIVE,
      PS3AV_CID_AVB_PARAM,

      /* get */
      PS3AV_CID_AV_GET_HW_CONF,
      PS3AV_CID_AV_GET_MONITOR_INFO,

      /* event */
      PS3AV_CID_EVENT_UNPLUGGED,
      PS3AV_CID_EVENT_PLUGGED,
      PS3AV_CID_EVENT_HDCP_DONE,
      PS3AV_CID_EVENT_HDCP_FAIL,
      PS3AV_CID_EVENT_HDCP_AUTH,
      PS3AV_CID_EVENT_HDCP_ERROR,

      0
};

#define PS3AV_EVENT_CMD_MASK           0x10000000
#define PS3AV_EVENT_ID_MASK            0x0000ffff
#define PS3AV_CID_MASK                 0xffffffff
#define PS3AV_REPLY_BIT                0x80000000

#define ps3av_event_get_port_id(cid)   ((cid >> 16) & 0xff)

static u32 *ps3av_search_cmd_table(u32 cid, u32 mask)
{
      u32 *table;
      int i;

      table = cmd_table;
      for (i = 0;; table++, i++) {
            if ((*table & mask) == (cid & mask))
                  break;
            if (*table == 0)
                  return NULL;
      }
      return table;
}

static int ps3av_parse_event_packet(const struct ps3av_reply_hdr *hdr)
{
      u32 *table;

      if (hdr->cid & PS3AV_EVENT_CMD_MASK) {
            table = ps3av_search_cmd_table(hdr->cid, PS3AV_EVENT_CMD_MASK);
            if (table)
                  dev_dbg(&ps3av->dev->core,
                        "recv event packet cid:%08x port:0x%x size:%d\n",
                        hdr->cid, ps3av_event_get_port_id(hdr->cid),
                        hdr->size);
            else
                  printk(KERN_ERR
                         "%s: failed event packet, cid:%08x size:%d\n",
                         __func__, hdr->cid, hdr->size);
            return 1;   /* receive event packet */
      }
      return 0;
}


#define POLLING_INTERVAL  25  /* in msec */

static int ps3av_vuart_write(struct ps3_system_bus_device *dev,
                       const void *buf, unsigned long size)
{
      int error;
      dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
      error = ps3_vuart_write(dev, buf, size);
      dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
      return error ? error : size;
}

static int ps3av_vuart_read(struct ps3_system_bus_device *dev, void *buf,
                      unsigned long size, int timeout)
{
      int error;
      int loopcnt = 0;

      dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
      timeout = (timeout + POLLING_INTERVAL - 1) / POLLING_INTERVAL;
      while (loopcnt++ <= timeout) {
            error = ps3_vuart_read(dev, buf, size);
            if (!error)
                  return size;
            if (error != -EAGAIN) {
                  printk(KERN_ERR "%s: ps3_vuart_read failed %d\n",
                         __func__, error);
                  return error;
            }
            msleep(POLLING_INTERVAL);
      }
      return -EWOULDBLOCK;
}

static int ps3av_send_cmd_pkt(const struct ps3av_send_hdr *send_buf,
                        struct ps3av_reply_hdr *recv_buf, int write_len,
                        int read_len)
{
      int res;
      u32 cmd;
      int event;

      if (!ps3av)
            return -ENODEV;

      /* send pkt */
      res = ps3av_vuart_write(ps3av->dev, send_buf, write_len);
      if (res < 0) {
            dev_dbg(&ps3av->dev->core,
                  "%s: ps3av_vuart_write() failed (result=%d)\n",
                  __func__, res);
            return res;
      }

      /* recv pkt */
      cmd = send_buf->cid;
      do {
            /* read header */
            res = ps3av_vuart_read(ps3av->dev, recv_buf, PS3AV_HDR_SIZE,
                               timeout);
            if (res != PS3AV_HDR_SIZE) {
                  dev_dbg(&ps3av->dev->core,
                        "%s: ps3av_vuart_read() failed (result=%d)\n",
                        __func__, res);
                  return res;
            }

            /* read body */
            res = ps3av_vuart_read(ps3av->dev, &recv_buf->cid,
                               recv_buf->size, timeout);
            if (res < 0) {
                  dev_dbg(&ps3av->dev->core,
                        "%s: ps3av_vuart_read() failed (result=%d)\n",
                        __func__, res);
                  return res;
            }
            res += PS3AV_HDR_SIZE;  /* total len */
            event = ps3av_parse_event_packet(recv_buf);
            /* ret > 0 event packet */
      } while (event);

      if ((cmd | PS3AV_REPLY_BIT) != recv_buf->cid) {
            dev_dbg(&ps3av->dev->core, "%s: reply err (result=%x)\n",
                  __func__, recv_buf->cid);
            return -EINVAL;
      }

      return 0;
}

static int ps3av_process_reply_packet(struct ps3av_send_hdr *cmd_buf,
                              const struct ps3av_reply_hdr *recv_buf,
                              int user_buf_size)
{
      int return_len;

      if (recv_buf->version != PS3AV_VERSION) {
            dev_dbg(&ps3av->dev->core, "reply_packet invalid version:%x\n",
                  recv_buf->version);
            return -EFAULT;
      }
      return_len = recv_buf->size + PS3AV_HDR_SIZE;
      if (return_len > user_buf_size)
            return_len = user_buf_size;
      memcpy(cmd_buf, recv_buf, return_len);
      return 0;         /* success */
}

void ps3av_set_hdr(u32 cid, u16 size, struct ps3av_send_hdr *hdr)
{
      hdr->version = PS3AV_VERSION;
      hdr->size = size - PS3AV_HDR_SIZE;
      hdr->cid = cid;
}

int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size,
             struct ps3av_send_hdr *buf)
{
      int res = 0;
      u32 *table;

      BUG_ON(!ps3av);

      mutex_lock(&ps3av->mutex);

      table = ps3av_search_cmd_table(cid, PS3AV_CID_MASK);
      BUG_ON(!table);
      BUG_ON(send_len < PS3AV_HDR_SIZE);
      BUG_ON(usr_buf_size < send_len);
      BUG_ON(usr_buf_size > PS3AV_BUF_SIZE);

      /* create header */
      ps3av_set_hdr(cid, send_len, buf);

      /* send packet via vuart */
      res = ps3av_send_cmd_pkt(buf, &ps3av->recv_buf.reply_hdr, send_len,
                         usr_buf_size);
      if (res < 0) {
            printk(KERN_ERR
                   "%s: ps3av_send_cmd_pkt() failed (result=%d)\n",
                   __func__, res);
            goto err;
      }

      /* process reply packet */
      res = ps3av_process_reply_packet(buf, &ps3av->recv_buf.reply_hdr,
                               usr_buf_size);
      if (res < 0) {
            printk(KERN_ERR "%s: put_return_status() failed (result=%d)\n",
                   __func__, res);
            goto err;
      }

      mutex_unlock(&ps3av->mutex);
      return 0;

      err:
      mutex_unlock(&ps3av->mutex);
      printk(KERN_ERR "%s: failed cid:%x res:%d\n", __func__, cid, res);
      return res;
}

static int ps3av_set_av_video_mute(u32 mute)
{
      int i, num_of_av_port, res;

      num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
                   ps3av->av_hw_conf.num_of_avmulti;
      /* video mute on */
      for (i = 0; i < num_of_av_port; i++) {
            res = ps3av_cmd_av_video_mute(1, &ps3av->av_port[i], mute);
            if (res < 0)
                  return -1;
      }

      return 0;
}

static int ps3av_set_video_disable_sig(void)
{
      int i, num_of_hdmi_port, num_of_av_port, res;

      num_of_hdmi_port = ps3av->av_hw_conf.num_of_hdmi;
      num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
                   ps3av->av_hw_conf.num_of_avmulti;

      /* tv mute */
      for (i = 0; i < num_of_hdmi_port; i++) {
            res = ps3av_cmd_av_tv_mute(ps3av->av_port[i],
                                 PS3AV_CMD_MUTE_ON);
            if (res < 0)
                  return -1;
      }
      msleep(100);

      /* video mute on */
      for (i = 0; i < num_of_av_port; i++) {
            res = ps3av_cmd_av_video_disable_sig(ps3av->av_port[i]);
            if (res < 0)
                  return -1;
            if (i < num_of_hdmi_port) {
                  res = ps3av_cmd_av_tv_mute(ps3av->av_port[i],
                                       PS3AV_CMD_MUTE_OFF);
                  if (res < 0)
                        return -1;
            }
      }
      msleep(300);

      return 0;
}

static int ps3av_set_audio_mute(u32 mute)
{
      int i, num_of_av_port, num_of_opt_port, res;

      num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
                   ps3av->av_hw_conf.num_of_avmulti;
      num_of_opt_port = ps3av->av_hw_conf.num_of_spdif;

      for (i = 0; i < num_of_av_port; i++) {
            res = ps3av_cmd_av_audio_mute(1, &ps3av->av_port[i], mute);
            if (res < 0)
                  return -1;
      }
      for (i = 0; i < num_of_opt_port; i++) {
            res = ps3av_cmd_audio_mute(1, &ps3av->opt_port[i], mute);
            if (res < 0)
                  return -1;
      }

      return 0;
}

int ps3av_set_audio_mode(u32 ch, u32 fs, u32 word_bits, u32 format, u32 source)
{
      struct ps3av_pkt_avb_param avb_param;
      int i, num_of_audio, vid, res;
      struct ps3av_pkt_audio_mode audio_mode;
      u32 len = 0;

      num_of_audio = ps3av->av_hw_conf.num_of_hdmi +
                   ps3av->av_hw_conf.num_of_avmulti +
                   ps3av->av_hw_conf.num_of_spdif;

      avb_param.num_of_video_pkt = 0;
      avb_param.num_of_audio_pkt = PS3AV_AVB_NUM_AUDIO;     /* always 0 */
      avb_param.num_of_av_video_pkt = 0;
      avb_param.num_of_av_audio_pkt = ps3av->av_hw_conf.num_of_hdmi;

      vid = video_mode_table[ps3av->ps3av_mode].vid;

      /* audio mute */
      ps3av_set_audio_mute(PS3AV_CMD_MUTE_ON);

      /* audio inactive */
      res = ps3av_cmd_audio_active(0, ps3av->audio_port);
      if (res < 0)
            dev_dbg(&ps3av->dev->core,
                  "ps3av_cmd_audio_active OFF failed\n");

      /* audio_pkt */
      for (i = 0; i < num_of_audio; i++) {
            ps3av_cmd_set_audio_mode(&audio_mode, ps3av->av_port[i], ch,
                               fs, word_bits, format, source);
            if (i < ps3av->av_hw_conf.num_of_hdmi) {
                  /* hdmi only */
                  len += ps3av_cmd_set_av_audio_param(&avb_param.buf[len],
                                              ps3av->av_port[i],
                                              &audio_mode, vid);
            }
            /* audio_mode pkt should be sent separately */
            res = ps3av_cmd_audio_mode(&audio_mode);
            if (res < 0)
                  dev_dbg(&ps3av->dev->core,
                        "ps3av_cmd_audio_mode failed, port:%x\n", i);
      }

      /* send command using avb pkt */
      len += offsetof(struct ps3av_pkt_avb_param, buf);
      res = ps3av_cmd_avb_param(&avb_param, len);
      if (res < 0)
            dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n");

      /* audio mute */
      ps3av_set_audio_mute(PS3AV_CMD_MUTE_OFF);

      /* audio active */
      res = ps3av_cmd_audio_active(1, ps3av->audio_port);
      if (res < 0)
            dev_dbg(&ps3av->dev->core,
                  "ps3av_cmd_audio_active ON failed\n");

      return 0;
}

EXPORT_SYMBOL_GPL(ps3av_set_audio_mode);

static int ps3av_set_videomode(void)
{
      /* av video mute */
      ps3av_set_av_video_mute(PS3AV_CMD_MUTE_ON);

      /* wake up ps3avd to do the actual video mode setting */
      queue_work(ps3av->wq, &ps3av->work);

      return 0;
}

static void ps3av_set_videomode_packet(u32 id)
{
      struct ps3av_pkt_avb_param avb_param;
      unsigned int i;
      u32 len = 0, av_video_cs;
      const struct avset_video_mode *video_mode;
      int res;

      video_mode = &video_mode_table[id & PS3AV_MODE_MASK];

      avb_param.num_of_video_pkt = PS3AV_AVB_NUM_VIDEO;     /* num of head */
      avb_param.num_of_audio_pkt = 0;
      avb_param.num_of_av_video_pkt = ps3av->av_hw_conf.num_of_hdmi +
                              ps3av->av_hw_conf.num_of_avmulti;
      avb_param.num_of_av_audio_pkt = 0;

      /* video_pkt */
      for (i = 0; i < avb_param.num_of_video_pkt; i++)
            len += ps3av_cmd_set_video_mode(&avb_param.buf[len],
                                    ps3av->head[i], video_mode->vid,
                                    video_mode->fmt, id);
      /* av_video_pkt */
      for (i = 0; i < avb_param.num_of_av_video_pkt; i++) {
            if (id & PS3AV_MODE_DVI || id & PS3AV_MODE_RGB)
                  av_video_cs = RGB8;
            else
                  av_video_cs = video_mode->cs;
#ifndef PS3AV_HDMI_YUV
            if (ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_0 ||
                ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_1)
                  av_video_cs = RGB8;     /* use RGB for HDMI */
#endif
            len += ps3av_cmd_set_av_video_cs(&avb_param.buf[len],
                                     ps3av->av_port[i],
                                     video_mode->vid, av_video_cs,
                                     video_mode->aspect, id);
      }
      /* send command using avb pkt */
      len += offsetof(struct ps3av_pkt_avb_param, buf);
      res = ps3av_cmd_avb_param(&avb_param, len);
      if (res == PS3AV_STATUS_NO_SYNC_HEAD)
            printk(KERN_WARNING
                   "%s: Command failed. Please try your request again. \n",
                   __func__);
      else if (res)
            dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n");
}

static void ps3av_set_videomode_cont(u32 id, u32 old_id)
{
      static int vesa = 0;
      int res;

      /* video signal off */
      ps3av_set_video_disable_sig();

      /*
       * AV backend needs non-VESA mode setting at least one time
       * when VESA mode is used.
       */
      if (vesa == 0 && (id & PS3AV_MODE_MASK) >= 11) {
            /* vesa mode */
            ps3av_set_videomode_packet(2);      /* 480P */
      }
      vesa = 1;

      /* Retail PS3 product doesn't support this */
      if (id & PS3AV_MODE_HDCP_OFF) {
            res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_HDCP_OFF);
            if (res == PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
                  dev_dbg(&ps3av->dev->core, "Not supported\n");
            else if (res)
                  dev_dbg(&ps3av->dev->core,
                        "ps3av_cmd_av_hdmi_mode failed\n");
      } else if (old_id & PS3AV_MODE_HDCP_OFF) {
            res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_MODE_NORMAL);
            if (res < 0 && res != PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
                  dev_dbg(&ps3av->dev->core,
                        "ps3av_cmd_av_hdmi_mode failed\n");
      }

      ps3av_set_videomode_packet(id);

      msleep(1500);
      /* av video mute */
      ps3av_set_av_video_mute(PS3AV_CMD_MUTE_OFF);
}

static void ps3avd(struct work_struct *work)
{
      ps3av_set_videomode_cont(ps3av->ps3av_mode, ps3av->ps3av_mode_old);
      complete(&ps3av->done);
}

#define SHIFT_50  0
#define SHIFT_60  4
#define SHIFT_VESA      8

static const struct {
      unsigned mask : 19;
      unsigned id :  4;
} ps3av_preferred_modes[] = {
      { .mask = PS3AV_RESBIT_WUXGA        << SHIFT_VESA,    .id = 13 },
      { .mask = PS3AV_RESBIT_1920x1080P   << SHIFT_60,      .id = 5 },
      { .mask = PS3AV_RESBIT_1920x1080P   << SHIFT_50,      .id = 10 },
      { .mask = PS3AV_RESBIT_1920x1080I   << SHIFT_60,      .id = 4 },
      { .mask = PS3AV_RESBIT_1920x1080I   << SHIFT_50,      .id = 9 },
      { .mask = PS3AV_RESBIT_SXGA         << SHIFT_VESA,    .id = 12 },
      { .mask = PS3AV_RESBIT_WXGA         << SHIFT_VESA,    .id = 11 },
      { .mask = PS3AV_RESBIT_1280x720P    << SHIFT_60,      .id = 3 },
      { .mask = PS3AV_RESBIT_1280x720P    << SHIFT_50,      .id = 8 },
      { .mask = PS3AV_RESBIT_720x480P           << SHIFT_60,      .id = 2 },
      { .mask = PS3AV_RESBIT_720x576P           << SHIFT_50,      .id = 7 },
};

static int ps3av_resbit2id(u32 res_50, u32 res_60, u32 res_vesa)
{
      unsigned int i;
      u32 res_all;

      /*
       * We mask off the resolution bits we care about and combine the
       * results in one bitfield, so make sure there's no overlap
       */
      BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
                 PS3AV_RES_MASK_60 << SHIFT_60);
      BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
                 PS3AV_RES_MASK_VESA << SHIFT_VESA);
      BUILD_BUG_ON(PS3AV_RES_MASK_60 << SHIFT_60 &
                 PS3AV_RES_MASK_VESA << SHIFT_VESA);
      res_all = (res_50 & PS3AV_RES_MASK_50) << SHIFT_50 |
              (res_60 & PS3AV_RES_MASK_60) << SHIFT_60 |
              (res_vesa & PS3AV_RES_MASK_VESA) << SHIFT_VESA;

      if (!res_all)
            return 0;

      for (i = 0; i < ARRAY_SIZE(ps3av_preferred_modes); i++)
            if (res_all & ps3av_preferred_modes[i].mask)
                  return ps3av_preferred_modes[i].id;

      return 0;
}

static int ps3av_hdmi_get_id(struct ps3av_info_monitor *info)
{
      int id;

      if (safe_mode)
            return PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;

      /* check native resolution */
      id = ps3av_resbit2id(info->res_50.native, info->res_60.native,
                       info->res_vesa.native);
      if (id) {
            pr_debug("%s: Using native mode %d\n", __func__, id);
            return id;
      }

      /* check supported resolutions */
      id = ps3av_resbit2id(info->res_50.res_bits, info->res_60.res_bits,
                       info->res_vesa.res_bits);
      if (id) {
            pr_debug("%s: Using supported mode %d\n", __func__, id);
            return id;
      }

      if (ps3av->region & PS3AV_REGION_60)
            id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
      else
            id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_50;
      pr_debug("%s: Using default mode %d\n", __func__, id);
      return id;
}

static void ps3av_monitor_info_dump(const struct ps3av_pkt_av_get_monitor_info *monitor_info)
{
      const struct ps3av_info_monitor *info = &monitor_info->info;
      const struct ps3av_info_audio *audio = info->audio;
      char id[sizeof(info->monitor_id)*3+1];
      int i;

      pr_debug("Monitor Info: size %u\n", monitor_info->send_hdr.size);

      pr_debug("avport: %02x\n", info->avport);
      for (i = 0; i < sizeof(info->monitor_id); i++)
            sprintf(&id[i*3], " %02x", info->monitor_id[i]);
      pr_debug("monitor_id: %s\n", id);
      pr_debug("monitor_type: %02x\n", info->monitor_type);
      pr_debug("monitor_name: %.*s\n", (int)sizeof(info->monitor_name),
             info->monitor_name);

      /* resolution */
      pr_debug("resolution_60: bits: %08x native: %08x\n",
             info->res_60.res_bits, info->res_60.native);
      pr_debug("resolution_50: bits: %08x native: %08x\n",
             info->res_50.res_bits, info->res_50.native);
      pr_debug("resolution_other: bits: %08x native: %08x\n",
             info->res_other.res_bits, info->res_other.native);
      pr_debug("resolution_vesa: bits: %08x native: %08x\n",
             info->res_vesa.res_bits, info->res_vesa.native);

      /* color space */
      pr_debug("color space    rgb: %02x\n", info->cs.rgb);
      pr_debug("color space yuv444: %02x\n", info->cs.yuv444);
      pr_debug("color space yuv422: %02x\n", info->cs.yuv422);

      /* color info */
      pr_debug("color info   red: X %04x Y %04x\n", info->color.red_x,
             info->color.red_y);
      pr_debug("color info green: X %04x Y %04x\n", info->color.green_x,
             info->color.green_y);
      pr_debug("color info  blue: X %04x Y %04x\n", info->color.blue_x,
             info->color.blue_y);
      pr_debug("color info white: X %04x Y %04x\n", info->color.white_x,
             info->color.white_y);
      pr_debug("color info gamma:  %08x\n", info->color.gamma);

      /* other info */
      pr_debug("supported_AI: %02x\n", info->supported_ai);
      pr_debug("speaker_info: %02x\n", info->speaker_info);
      pr_debug("num of audio: %02x\n", info->num_of_audio_block);

      /* audio block */
      for (i = 0; i < info->num_of_audio_block; i++) {
            pr_debug("audio[%d] type: %02x max_ch: %02x fs: %02x sbit: "
                   "%02x\n",
                   i, audio->type, audio->max_num_of_ch, audio->fs,
                   audio->sbit);
            audio++;
      }
}

static const struct ps3av_monitor_quirk {
      const char *monitor_name;
      u32 clear_60;
} ps3av_monitor_quirks[] = {
      {
            .monitor_name     = "DELL 2007WFP",
            .clear_60   = PS3AV_RESBIT_1920x1080I
      }, {
            .monitor_name     = "L226WTQ",
            .clear_60   = PS3AV_RESBIT_1920x1080I |
                          PS3AV_RESBIT_1920x1080P
      }, {
            .monitor_name     = "SyncMaster",
            .clear_60   = PS3AV_RESBIT_1920x1080I
      }
};

static void ps3av_fixup_monitor_info(struct ps3av_info_monitor *info)
{
      unsigned int i;
      const struct ps3av_monitor_quirk *quirk;

      for (i = 0; i < ARRAY_SIZE(ps3av_monitor_quirks); i++) {
            quirk = &ps3av_monitor_quirks[i];
            if (!strncmp(info->monitor_name, quirk->monitor_name,
                       sizeof(info->monitor_name))) {
                  pr_info("%s: Applying quirk for %s\n", __func__,
                        quirk->monitor_name);
                  info->res_60.res_bits &= ~quirk->clear_60;
                  info->res_60.native &= ~quirk->clear_60;
                  break;
            }
      }
}

static int ps3av_auto_videomode(struct ps3av_pkt_av_get_hw_conf *av_hw_conf)
{
      int i, res, id = 0, dvi = 0, rgb = 0;
      struct ps3av_pkt_av_get_monitor_info monitor_info;
      struct ps3av_info_monitor *info;

      /* get mode id for hdmi */
      for (i = 0; i < av_hw_conf->num_of_hdmi && !id; i++) {
            res = ps3av_cmd_video_get_monitor_info(&monitor_info,
                                           PS3AV_CMD_AVPORT_HDMI_0 +
                                           i);
            if (res < 0)
                  return -1;

            ps3av_monitor_info_dump(&monitor_info);

            info = &monitor_info.info;
            ps3av_fixup_monitor_info(info);

            switch (info->monitor_type) {
            case PS3AV_MONITOR_TYPE_DVI:
                  dvi = PS3AV_MODE_DVI;
                  /* fall through */
            case PS3AV_MONITOR_TYPE_HDMI:
                  id = ps3av_hdmi_get_id(info);
                  break;
            }
      }

      if (!id) {
            /* no HDMI interface or HDMI is off */
            if (ps3av->region & PS3AV_REGION_60)
                  id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_60;
            else
                  id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_50;
            if (ps3av->region & PS3AV_REGION_RGB)
                  rgb = PS3AV_MODE_RGB;
            pr_debug("%s: Using avmulti mode %d\n", __func__, id);
      }

      return id | dvi | rgb;
}

static int ps3av_get_hw_conf(struct ps3av *ps3av)
{
      int i, j, k, res;
      const struct ps3av_pkt_av_get_hw_conf *hw_conf;

      /* get av_hw_conf */
      res = ps3av_cmd_av_get_hw_conf(&ps3av->av_hw_conf);
      if (res < 0)
            return -1;

      hw_conf = &ps3av->av_hw_conf;
      pr_debug("av_h_conf: num of hdmi: %u\n", hw_conf->num_of_hdmi);
      pr_debug("av_h_conf: num of avmulti: %u\n", hw_conf->num_of_avmulti);
      pr_debug("av_h_conf: num of spdif: %u\n", hw_conf->num_of_spdif);

      for (i = 0; i < PS3AV_HEAD_MAX; i++)
            ps3av->head[i] = PS3AV_CMD_VIDEO_HEAD_A + i;
      for (i = 0; i < PS3AV_OPT_PORT_MAX; i++)
            ps3av->opt_port[i] = PS3AV_CMD_AVPORT_SPDIF_0 + i;
      for (i = 0; i < hw_conf->num_of_hdmi; i++)
            ps3av->av_port[i] = PS3AV_CMD_AVPORT_HDMI_0 + i;
      for (j = 0; j < hw_conf->num_of_avmulti; j++)
            ps3av->av_port[i + j] = PS3AV_CMD_AVPORT_AVMULTI_0 + j;
      for (k = 0; k < hw_conf->num_of_spdif; k++)
            ps3av->av_port[i + j + k] = PS3AV_CMD_AVPORT_SPDIF_0 + k;

      /* set all audio port */
      ps3av->audio_port = PS3AV_CMD_AUDIO_PORT_HDMI_0
          | PS3AV_CMD_AUDIO_PORT_HDMI_1
          | PS3AV_CMD_AUDIO_PORT_AVMULTI_0
          | PS3AV_CMD_AUDIO_PORT_SPDIF_0 | PS3AV_CMD_AUDIO_PORT_SPDIF_1;

      return 0;
}

/* set mode using id */
int ps3av_set_video_mode(u32 id)
{
      int size;
      u32 option;

      size = ARRAY_SIZE(video_mode_table);
      if ((id & PS3AV_MODE_MASK) > size - 1 || id < 0) {
            dev_dbg(&ps3av->dev->core, "%s: error id :%d\n", __func__, id);
            return -EINVAL;
      }

      /* auto mode */
      option = id & ~PS3AV_MODE_MASK;
      if ((id & PS3AV_MODE_MASK) == 0) {
            id = ps3av_auto_videomode(&ps3av->av_hw_conf);
            if (id < 1) {
                  printk(KERN_ERR "%s: invalid id :%d\n", __func__, id);
                  return -EINVAL;
            }
            id |= option;
      }

      /* set videomode */
      wait_for_completion(&ps3av->done);
      ps3av->ps3av_mode_old = ps3av->ps3av_mode;
      ps3av->ps3av_mode = id;
      if (ps3av_set_videomode())
            ps3av->ps3av_mode = ps3av->ps3av_mode_old;

      return 0;
}

EXPORT_SYMBOL_GPL(ps3av_set_video_mode);

int ps3av_get_auto_mode(void)
{
      return ps3av_auto_videomode(&ps3av->av_hw_conf);
}

EXPORT_SYMBOL_GPL(ps3av_get_auto_mode);

int ps3av_get_mode(void)
{
      return ps3av ? ps3av->ps3av_mode : 0;
}

EXPORT_SYMBOL_GPL(ps3av_get_mode);

int ps3av_get_scanmode(int id)
{
      int size;

      id = id & PS3AV_MODE_MASK;
      size = ARRAY_SIZE(video_mode_table);
      if (id > size - 1 || id < 0) {
            printk(KERN_ERR "%s: invalid mode %d\n", __func__, id);
            return -EINVAL;
      }
      return video_mode_table[id].interlace;
}

EXPORT_SYMBOL_GPL(ps3av_get_scanmode);

int ps3av_get_refresh_rate(int id)
{
      int size;

      id = id & PS3AV_MODE_MASK;
      size = ARRAY_SIZE(video_mode_table);
      if (id > size - 1 || id < 0) {
            printk(KERN_ERR "%s: invalid mode %d\n", __func__, id);
            return -EINVAL;
      }
      return video_mode_table[id].freq;
}

EXPORT_SYMBOL_GPL(ps3av_get_refresh_rate);

/* get resolution by video_mode */
int ps3av_video_mode2res(u32 id, u32 *xres, u32 *yres)
{
      int size;

      id = id & PS3AV_MODE_MASK;
      size = ARRAY_SIZE(video_mode_table);
      if (id > size - 1 || id < 0) {
            printk(KERN_ERR "%s: invalid mode %d\n", __func__, id);
            return -EINVAL;
      }
      *xres = video_mode_table[id].x;
      *yres = video_mode_table[id].y;
      return 0;
}

EXPORT_SYMBOL_GPL(ps3av_video_mode2res);

/* mute */
int ps3av_video_mute(int mute)
{
      return ps3av_set_av_video_mute(mute ? PS3AV_CMD_MUTE_ON
                                  : PS3AV_CMD_MUTE_OFF);
}

EXPORT_SYMBOL_GPL(ps3av_video_mute);

int ps3av_audio_mute(int mute)
{
      return ps3av_set_audio_mute(mute ? PS3AV_CMD_MUTE_ON
                               : PS3AV_CMD_MUTE_OFF);
}

EXPORT_SYMBOL_GPL(ps3av_audio_mute);

void ps3av_register_flip_ctl(void (*flip_ctl)(int on, void *data),
                       void *flip_data)
{
      mutex_lock(&ps3av->mutex);
      ps3av->flip_ctl = flip_ctl;
      ps3av->flip_data = flip_data;
      mutex_unlock(&ps3av->mutex);
}
EXPORT_SYMBOL_GPL(ps3av_register_flip_ctl);

void ps3av_flip_ctl(int on)
{
      mutex_lock(&ps3av->mutex);
      if (ps3av->flip_ctl)
            ps3av->flip_ctl(on, ps3av->flip_data);
      mutex_unlock(&ps3av->mutex);
}

static int ps3av_probe(struct ps3_system_bus_device *dev)
{
      int res;
      u32 id;

      dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
      dev_dbg(&dev->core, "  timeout=%d\n", timeout);

      if (ps3av) {
            dev_err(&dev->core, "Only one ps3av device is supported\n");
            return -EBUSY;
      }

      ps3av = kzalloc(sizeof(*ps3av), GFP_KERNEL);
      if (!ps3av)
            return -ENOMEM;

      mutex_init(&ps3av->mutex);
      ps3av->ps3av_mode = 0;
      ps3av->dev = dev;

      INIT_WORK(&ps3av->work, ps3avd);
      init_completion(&ps3av->done);
      complete(&ps3av->done);
      ps3av->wq = create_singlethread_workqueue("ps3avd");
      if (!ps3av->wq)
            goto fail;

      switch (ps3_os_area_get_av_multi_out()) {
      case PS3_PARAM_AV_MULTI_OUT_NTSC:
            ps3av->region = PS3AV_REGION_60;
            break;
      case PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR:
      case PS3_PARAM_AV_MULTI_OUT_SECAM:
            ps3av->region = PS3AV_REGION_50;
            break;
      case PS3_PARAM_AV_MULTI_OUT_PAL_RGB:
            ps3av->region = PS3AV_REGION_50 | PS3AV_REGION_RGB;
            break;
      default:
            ps3av->region = PS3AV_REGION_60;
            break;
      }

      /* init avsetting modules */
      res = ps3av_cmd_init();
      if (res < 0)
            printk(KERN_ERR "%s: ps3av_cmd_init failed %d\n", __func__,
                   res);

      ps3av_get_hw_conf(ps3av);

#ifdef CONFIG_FB
      if (fb_mode_option && !strcmp(fb_mode_option, "safe"))
            safe_mode = 1;
#endif /* CONFIG_FB */
      id = ps3av_auto_videomode(&ps3av->av_hw_conf);
      safe_mode = 0;

      mutex_lock(&ps3av->mutex);
      ps3av->ps3av_mode = id;
      mutex_unlock(&ps3av->mutex);

      dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);

      return 0;

fail:
      kfree(ps3av);
      ps3av = NULL;
      return -ENOMEM;
}

static int ps3av_remove(struct ps3_system_bus_device *dev)
{
      dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
      if (ps3av) {
            ps3av_cmd_fin();
            if (ps3av->wq)
                  destroy_workqueue(ps3av->wq);
            kfree(ps3av);
            ps3av = NULL;
      }

      dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
      return 0;
}

static void ps3av_shutdown(struct ps3_system_bus_device *dev)
{
      dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
      ps3av_remove(dev);
      dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
}

static struct ps3_vuart_port_driver ps3av_driver = {
      .core.match_id = PS3_MATCH_ID_AV_SETTINGS,
      .core.core.name = "ps3_av",
      .probe = ps3av_probe,
      .remove = ps3av_remove,
      .shutdown = ps3av_shutdown,
};

static int ps3av_module_init(void)
{
      int error;

      if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
            return -ENODEV;

      pr_debug(" -> %s:%d\n", __func__, __LINE__);

      error = ps3_vuart_port_driver_register(&ps3av_driver);
      if (error) {
            printk(KERN_ERR
                   "%s: ps3_vuart_port_driver_register failed %d\n",
                   __func__, error);
            return error;
      }

      pr_debug(" <- %s:%d\n", __func__, __LINE__);
      return error;
}

static void __exit ps3av_module_exit(void)
{
      pr_debug(" -> %s:%d\n", __func__, __LINE__);
      ps3_vuart_port_driver_unregister(&ps3av_driver);
      pr_debug(" <- %s:%d\n", __func__, __LINE__);
}

subsys_initcall(ps3av_module_init);
module_exit(ps3av_module_exit);

MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("PS3 AV Settings Driver");
MODULE_AUTHOR("Sony Computer Entertainment Inc.");
MODULE_ALIAS(PS3_MODULE_ALIAS_AV_SETTINGS);

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