root/drivers/ps3/ps3av.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 *  PS3 AV backend support.
 *
 *  Copyright (C) 2007 Sony Computer Entertainment Inc.
 *  Copyright 2007 Sony Corp.
 */

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

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

#include <video/cmdline.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;
        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;
} *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;
} video_mode_table[] = {
        {     0, }, /* auto */
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480I,       A_N,  720,  480},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480P,       A_N,  720,  480},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_60HZ,  A_W, 1280,  720},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_60HZ, A_W, 1920, 1080},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_60HZ, A_W, 1920, 1080},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576I,       A_N,  720,  576},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576P,       A_N,  720,  576},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_50HZ,  A_W, 1280,  720},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_50HZ, A_W, 1920, 1080},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_50HZ, A_W, 1920, 1080},
        {  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WXGA,       A_W, 1280,  768},
        {  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_SXGA,       A_N, 1280, 1024},
        {  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WUXGA,      A_W, 1920, 1200},
};

/* 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_warn(&ps3av->dev->core,
                        "%s:%d: ps3av_vuart_write() failed: %s\n", __func__,
                        __LINE__, ps3_result(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_warn(&ps3av->dev->core,
                                "%s:%d: ps3av_vuart_read() failed: %s\n", __func__,
                                __LINE__, ps3_result(res));
                        return res;
                }

                /* read body */
                res = ps3av_vuart_read(ps3av->dev, &recv_buf->cid,
                                       recv_buf->size, timeout);
                if (res < 0) {
                        dev_warn(&ps3av->dev->core,
                                "%s:%d: ps3av_vuart_read() failed: %s\n", __func__,
                                __LINE__, ps3_result(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_warn(&ps3av->dev->core, "%s:%d: reply err: %x\n", __func__,
                        __LINE__, 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 */
        schedule_work(&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;
        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) >= PS3AV_MODE_WXGA) {
                /* vesa mode */
                ps3av_set_videomode_packet(PS3AV_MODE_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[] = {
        { PS3AV_RESBIT_WUXGA      << SHIFT_VESA, PS3AV_MODE_WUXGA   },
        { PS3AV_RESBIT_1920x1080P << SHIFT_60,   PS3AV_MODE_1080P60 },
        { PS3AV_RESBIT_1920x1080P << SHIFT_50,   PS3AV_MODE_1080P50 },
        { PS3AV_RESBIT_1920x1080I << SHIFT_60,   PS3AV_MODE_1080I60 },
        { PS3AV_RESBIT_1920x1080I << SHIFT_50,   PS3AV_MODE_1080I50 },
        { PS3AV_RESBIT_SXGA       << SHIFT_VESA, PS3AV_MODE_SXGA    },
        { PS3AV_RESBIT_WXGA       << SHIFT_VESA, PS3AV_MODE_WXGA    },
        { PS3AV_RESBIT_1280x720P  << SHIFT_60,   PS3AV_MODE_720P60  },
        { PS3AV_RESBIT_1280x720P  << SHIFT_50,   PS3AV_MODE_720P50  },
        { PS3AV_RESBIT_720x480P   << SHIFT_60,   PS3AV_MODE_480P    },
        { PS3AV_RESBIT_720x576P   << SHIFT_50,   PS3AV_MODE_576P    },
};

static enum ps3av_mode_num 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 enum ps3av_mode_num ps3av_hdmi_get_id(struct ps3av_info_monitor *info)
{
        enum ps3av_mode_num 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;
                        fallthrough;
                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(int 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) == PS3AV_MODE_AUTO) {
                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);

/* 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);

/* mute analog output only */
int ps3av_audio_mute_analog(int mute)
{
        int i, res;

        for (i = 0; i < ps3av->av_hw_conf.num_of_avmulti; i++) {
                res = ps3av_cmd_av_audio_mute(1,
                        &ps3av->av_port[i + ps3av->av_hw_conf.num_of_hdmi],
                        mute);
                if (res < 0)
                        return -1;
        }
        return 0;
}
EXPORT_SYMBOL_GPL(ps3av_audio_mute_analog);

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);

static int ps3av_probe(struct ps3_system_bus_device *dev)
{
        const char *mode_option;
        int res;
        int 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_obj(*ps3av);
        if (!ps3av)
                return -ENOMEM;

        mutex_init(&ps3av->mutex);
        ps3av->ps3av_mode = PS3AV_MODE_AUTO;
        ps3av->dev = dev;

        INIT_WORK(&ps3av->work, ps3avd);
        init_completion(&ps3av->done);
        complete(&ps3av->done);

        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);

        mode_option = video_get_options(NULL);
        if (mode_option && !strcmp(mode_option, "safe"))
                safe_mode = 1;
        id = ps3av_auto_videomode(&ps3av->av_hw_conf);
        if (id < 0) {
                printk(KERN_ERR "%s: invalid id :%d\n", __func__, id);
                res = -EINVAL;
                goto fail;
        }

        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 res;
}

static int ps3av_remove(struct ps3_system_bus_device *dev)
{
        dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
        if (ps3av) {
                ps3av_cmd_fin();
                flush_work(&ps3av->work);
                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 __init 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);