ps3av_cmd.c

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/*
 * Copyright (C) 2006 Sony Computer Entertainment Inc.
 * Copyright 2006, 2007 Sony Corporation
 *
 * AV backend support for PS3
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/delay.h>

#include <asm/ps3av.h>
#include <asm/ps3.h>
#include <asm/ps3gpu.h>

#include "vuart.h"

static const struct video_fmt {
    u32 format;
    u32 order;
} ps3av_video_fmt_table[] = {
    { PS3AV_CMD_VIDEO_FORMAT_ARGB_8BIT, PS3AV_CMD_VIDEO_ORDER_RGB },
    { PS3AV_CMD_VIDEO_FORMAT_ARGB_8BIT, PS3AV_CMD_VIDEO_ORDER_BGR },
};

static const struct {
    int cs;
    u32 av;
    u32 bl;
} ps3av_cs_video2av_table[] = {
    {
        .cs = PS3AV_CMD_VIDEO_CS_RGB_8,
        .av = PS3AV_CMD_AV_CS_RGB_8,
        .bl = PS3AV_CMD_AV_CS_8
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_RGB_10,
        .av = PS3AV_CMD_AV_CS_RGB_8,
        .bl = PS3AV_CMD_AV_CS_8
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_RGB_12,
        .av = PS3AV_CMD_AV_CS_RGB_8,
        .bl = PS3AV_CMD_AV_CS_8
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_YUV444_8,
        .av = PS3AV_CMD_AV_CS_YUV444_8,
        .bl = PS3AV_CMD_AV_CS_8
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_YUV444_10,
        .av = PS3AV_CMD_AV_CS_YUV444_8,
        .bl = PS3AV_CMD_AV_CS_10
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_YUV444_12,
        .av = PS3AV_CMD_AV_CS_YUV444_8,
        .bl = PS3AV_CMD_AV_CS_10
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_YUV422_8,
        .av = PS3AV_CMD_AV_CS_YUV422_8,
        .bl = PS3AV_CMD_AV_CS_10
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_YUV422_10,
        .av = PS3AV_CMD_AV_CS_YUV422_8,
        .bl = PS3AV_CMD_AV_CS_10
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_YUV422_12,
        .av = PS3AV_CMD_AV_CS_YUV422_8,
        .bl = PS3AV_CMD_AV_CS_12
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_XVYCC_8,
        .av = PS3AV_CMD_AV_CS_XVYCC_8,
        .bl = PS3AV_CMD_AV_CS_12
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_XVYCC_10,
        .av = PS3AV_CMD_AV_CS_XVYCC_8,
        .bl = PS3AV_CMD_AV_CS_12
    }, {
        .cs = PS3AV_CMD_VIDEO_CS_XVYCC_12,
        .av = PS3AV_CMD_AV_CS_XVYCC_8,
        .bl = PS3AV_CMD_AV_CS_12
    }
};

static u32 ps3av_cs_video2av(int cs)
{
    unsigned int i;

    for (i = 0; i < ARRAY_SIZE(ps3av_cs_video2av_table); i++)
        if (ps3av_cs_video2av_table[i].cs == cs)
            return ps3av_cs_video2av_table[i].av;

    return PS3AV_CMD_AV_CS_RGB_8;
}

static u32 ps3av_cs_video2av_bitlen(int cs)
{
    unsigned int i;

    for (i = 0; i < ARRAY_SIZE(ps3av_cs_video2av_table); i++)
        if (ps3av_cs_video2av_table[i].cs == cs)
            return ps3av_cs_video2av_table[i].bl;

    return PS3AV_CMD_AV_CS_8;
}

static const struct {
    int vid;
    u32 av;
} ps3av_vid_video2av_table[] = {
    { PS3AV_CMD_VIDEO_VID_480I, PS3AV_CMD_AV_VID_480I },
    { PS3AV_CMD_VIDEO_VID_480P, PS3AV_CMD_AV_VID_480P },
    { PS3AV_CMD_VIDEO_VID_576I, PS3AV_CMD_AV_VID_576I },
    { PS3AV_CMD_VIDEO_VID_576P, PS3AV_CMD_AV_VID_576P },
    { PS3AV_CMD_VIDEO_VID_1080I_60HZ, PS3AV_CMD_AV_VID_1080I_60HZ },
    { PS3AV_CMD_VIDEO_VID_720P_60HZ, PS3AV_CMD_AV_VID_720P_60HZ },
    { PS3AV_CMD_VIDEO_VID_1080P_60HZ, PS3AV_CMD_AV_VID_1080P_60HZ },
    { PS3AV_CMD_VIDEO_VID_1080I_50HZ, PS3AV_CMD_AV_VID_1080I_50HZ },
    { PS3AV_CMD_VIDEO_VID_720P_50HZ, PS3AV_CMD_AV_VID_720P_50HZ },
    { PS3AV_CMD_VIDEO_VID_1080P_50HZ, PS3AV_CMD_AV_VID_1080P_50HZ },
    { PS3AV_CMD_VIDEO_VID_WXGA, PS3AV_CMD_AV_VID_WXGA },
    { PS3AV_CMD_VIDEO_VID_SXGA, PS3AV_CMD_AV_VID_SXGA },
    { PS3AV_CMD_VIDEO_VID_WUXGA, PS3AV_CMD_AV_VID_WUXGA }
};

static u32 ps3av_vid_video2av(int vid)
{
    unsigned int i;

    for (i = 0; i < ARRAY_SIZE(ps3av_vid_video2av_table); i++)
        if (ps3av_vid_video2av_table[i].vid == vid)
            return ps3av_vid_video2av_table[i].av;

    return PS3AV_CMD_AV_VID_480P;
}

static int ps3av_hdmi_range(void)
{
    if (ps3_compare_firmware_version(1, 8, 0) < 0)
        return 0;
    else
        return 1; /* supported */
}

int ps3av_cmd_init(void)
{
    int res;
    struct ps3av_pkt_av_init av_init;
    struct ps3av_pkt_video_init video_init;
    struct ps3av_pkt_audio_init audio_init;

    /* video init */
    memset(&video_init, 0, sizeof(video_init));

    res = ps3av_do_pkt(PS3AV_CID_VIDEO_INIT, sizeof(video_init.send_hdr),
               sizeof(video_init), &video_init.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&video_init);
    if (res) {
        printk(KERN_ERR "PS3AV_CID_VIDEO_INIT: failed %x\n", res);
        return res;
    }

    /* audio init */
    memset(&audio_init, 0, sizeof(audio_init));

    res = ps3av_do_pkt(PS3AV_CID_AUDIO_INIT, sizeof(audio_init.send_hdr),
               sizeof(audio_init), &audio_init.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&audio_init);
    if (res) {
        printk(KERN_ERR "PS3AV_CID_AUDIO_INIT: failed %x\n", res);
        return res;
    }

    /* av init */
    memset(&av_init, 0, sizeof(av_init));
    av_init.event_bit = 0;

    res = ps3av_do_pkt(PS3AV_CID_AV_INIT, sizeof(av_init), sizeof(av_init),
               &av_init.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&av_init);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AV_INIT: failed %x\n", res);

    return res;
}

int ps3av_cmd_fin(void)
{
    int res;
    struct ps3av_pkt_av_fin av_fin;

    memset(&av_fin, 0, sizeof(av_fin));

    res = ps3av_do_pkt(PS3AV_CID_AV_FIN, sizeof(av_fin.send_hdr),
               sizeof(av_fin), &av_fin.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&av_fin);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AV_FIN: failed %x\n", res);

    return res;
}

int ps3av_cmd_av_video_mute(int num_of_port, u32 *port, u32 mute)
{
    int i, send_len, res;
    struct ps3av_pkt_av_video_mute av_video_mute;

    if (num_of_port > PS3AV_MUTE_PORT_MAX)
        return -EINVAL;

    memset(&av_video_mute, 0, sizeof(av_video_mute));
    for (i = 0; i < num_of_port; i++) {
        av_video_mute.mute[i].avport = port[i];
        av_video_mute.mute[i].mute = mute;
    }

    send_len = sizeof(av_video_mute.send_hdr) +
        sizeof(struct ps3av_av_mute) * num_of_port;
    res = ps3av_do_pkt(PS3AV_CID_AV_VIDEO_MUTE, send_len,
               sizeof(av_video_mute), &av_video_mute.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&av_video_mute);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AV_VIDEO_MUTE: failed %x\n", res);

    return res;
}

int ps3av_cmd_av_video_disable_sig(u32 port)
{
    int res;
    struct ps3av_pkt_av_video_disable_sig av_video_sig;

    memset(&av_video_sig, 0, sizeof(av_video_sig));
    av_video_sig.avport = port;

    res = ps3av_do_pkt(PS3AV_CID_AV_VIDEO_DISABLE_SIG,
               sizeof(av_video_sig), sizeof(av_video_sig),
               &av_video_sig.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&av_video_sig);
    if (res)
        printk(KERN_ERR
               "PS3AV_CID_AV_VIDEO_DISABLE_SIG: failed %x port:%x\n",
               res, port);

    return res;
}

int ps3av_cmd_av_tv_mute(u32 avport, u32 mute)
{
    int res;
    struct ps3av_pkt_av_tv_mute tv_mute;

    memset(&tv_mute, 0, sizeof(tv_mute));
    tv_mute.avport = avport;
    tv_mute.mute = mute;

    res = ps3av_do_pkt(PS3AV_CID_AV_TV_MUTE, sizeof(tv_mute),
               sizeof(tv_mute), &tv_mute.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&tv_mute);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AV_TV_MUTE: failed %x port:%x\n",
               res, avport);

    return res;
}

int ps3av_cmd_enable_event(void)
{
    int res;
    struct ps3av_pkt_av_event av_event;

    memset(&av_event, 0, sizeof(av_event));
    av_event.event_bit = PS3AV_CMD_EVENT_BIT_UNPLUGGED |
        PS3AV_CMD_EVENT_BIT_PLUGGED | PS3AV_CMD_EVENT_BIT_HDCP_DONE;

    res = ps3av_do_pkt(PS3AV_CID_AV_ENABLE_EVENT, sizeof(av_event),
               sizeof(av_event), &av_event.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&av_event);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AV_ENABLE_EVENT: failed %x\n", res);

    return res;
}

int ps3av_cmd_av_hdmi_mode(u8 mode)
{
    int res;
    struct ps3av_pkt_av_hdmi_mode hdmi_mode;

    memset(&hdmi_mode, 0, sizeof(hdmi_mode));
    hdmi_mode.mode = mode;

    res = ps3av_do_pkt(PS3AV_CID_AV_HDMI_MODE, sizeof(hdmi_mode),
               sizeof(hdmi_mode), &hdmi_mode.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&hdmi_mode);
    if (res && res != PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
        printk(KERN_ERR "PS3AV_CID_AV_HDMI_MODE: failed %x\n", res);

    return res;
}

u32 ps3av_cmd_set_av_video_cs(void *p, u32 avport, int video_vid, int cs_out,
                  int aspect, u32 id)
{
    struct ps3av_pkt_av_video_cs *av_video_cs;

    av_video_cs = (struct ps3av_pkt_av_video_cs *)p;
    if (video_vid == -1)
        video_vid = PS3AV_CMD_VIDEO_VID_720P_60HZ;
    if (cs_out == -1)
        cs_out = PS3AV_CMD_VIDEO_CS_YUV444_8;
    if (aspect == -1)
        aspect = 0;

    memset(av_video_cs, 0, sizeof(*av_video_cs));
    ps3av_set_hdr(PS3AV_CID_AV_VIDEO_CS, sizeof(*av_video_cs),
              &av_video_cs->send_hdr);
    av_video_cs->avport = avport;
    /* should be same as video_mode.resolution */
    av_video_cs->av_vid = ps3av_vid_video2av(video_vid);
    av_video_cs->av_cs_out = ps3av_cs_video2av(cs_out);
    /* should be same as video_mode.video_cs_out */
    av_video_cs->av_cs_in = ps3av_cs_video2av(PS3AV_CMD_VIDEO_CS_RGB_8);
    av_video_cs->bitlen_out = ps3av_cs_video2av_bitlen(cs_out);
    if ((id & PS3AV_MODE_WHITE) && ps3av_hdmi_range())
        av_video_cs->super_white = PS3AV_CMD_AV_SUPER_WHITE_ON;
    else /* default off */
        av_video_cs->super_white = PS3AV_CMD_AV_SUPER_WHITE_OFF;
    av_video_cs->aspect = aspect;
    if (id & PS3AV_MODE_DITHER) {
        av_video_cs->dither = PS3AV_CMD_AV_DITHER_ON
            | PS3AV_CMD_AV_DITHER_8BIT;
    } else {
        /* default off */
        av_video_cs->dither = PS3AV_CMD_AV_DITHER_OFF;
    }

    return sizeof(*av_video_cs);
}

u32 ps3av_cmd_set_video_mode(void *p, u32 head, int video_vid, int video_fmt,
                 u32 id)
{
    struct ps3av_pkt_video_mode *video_mode;
    u32 x, y;

    video_mode = (struct ps3av_pkt_video_mode *)p;
    if (video_vid == -1)
        video_vid = PS3AV_CMD_VIDEO_VID_720P_60HZ;
    if (video_fmt == -1)
        video_fmt = PS3AV_CMD_VIDEO_FMT_X8R8G8B8;

    if (ps3av_video_mode2res(id, &x, &y))
        return 0;

    /* video mode */
    memset(video_mode, 0, sizeof(*video_mode));
    ps3av_set_hdr(PS3AV_CID_VIDEO_MODE, sizeof(*video_mode),
              &video_mode->send_hdr);
    video_mode->video_head = head;
    if (video_vid == PS3AV_CMD_VIDEO_VID_480I
        && head == PS3AV_CMD_VIDEO_HEAD_B)
        video_mode->video_vid = PS3AV_CMD_VIDEO_VID_480I_A;
    else
        video_mode->video_vid = video_vid;
    video_mode->width = (u16) x;
    video_mode->height = (u16) y;
    video_mode->pitch = video_mode->width * 4;  /* line_length */
    video_mode->video_out_format = PS3AV_CMD_VIDEO_OUT_FORMAT_RGB_12BIT;
    video_mode->video_format = ps3av_video_fmt_table[video_fmt].format;
    if ((id & PS3AV_MODE_COLOR) && ps3av_hdmi_range())
        video_mode->video_cl_cnv = PS3AV_CMD_VIDEO_CL_CNV_DISABLE_LUT;
    else /* default enable */
        video_mode->video_cl_cnv = PS3AV_CMD_VIDEO_CL_CNV_ENABLE_LUT;
    video_mode->video_order = ps3av_video_fmt_table[video_fmt].order;

    pr_debug("%s: video_mode:vid:%x width:%d height:%d pitch:%d out_format:%d format:%x order:%x\n",
        __func__, video_vid, video_mode->width, video_mode->height,
        video_mode->pitch, video_mode->video_out_format,
        video_mode->video_format, video_mode->video_order);
    return sizeof(*video_mode);
}

int ps3av_cmd_video_format_black(u32 head, u32 video_fmt, u32 mute)
{
    int res;
    struct ps3av_pkt_video_format video_format;

    memset(&video_format, 0, sizeof(video_format));
    video_format.video_head = head;
    if (mute != PS3AV_CMD_MUTE_OFF)
        video_format.video_format = PS3AV_CMD_VIDEO_FORMAT_BLACK;
    else
        video_format.video_format =
            ps3av_video_fmt_table[video_fmt].format;
    video_format.video_order = ps3av_video_fmt_table[video_fmt].order;

    res = ps3av_do_pkt(PS3AV_CID_VIDEO_FORMAT, sizeof(video_format),
               sizeof(video_format), &video_format.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&video_format);
    if (res)
        printk(KERN_ERR "PS3AV_CID_VIDEO_FORMAT: failed %x\n", res);

    return res;
}


int ps3av_cmd_av_audio_mute(int num_of_port, u32 *port, u32 mute)
{
    int i, res;
    struct ps3av_pkt_av_audio_mute av_audio_mute;

    if (num_of_port > PS3AV_MUTE_PORT_MAX)
        return -EINVAL;

    /* audio mute */
    memset(&av_audio_mute, 0, sizeof(av_audio_mute));
    for (i = 0; i < num_of_port; i++) {
        av_audio_mute.mute[i].avport = port[i];
        av_audio_mute.mute[i].mute = mute;
    }

    res = ps3av_do_pkt(PS3AV_CID_AV_AUDIO_MUTE,
               sizeof(av_audio_mute.send_hdr) +
               sizeof(struct ps3av_av_mute) * num_of_port,
               sizeof(av_audio_mute), &av_audio_mute.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&av_audio_mute);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AV_AUDIO_MUTE: failed %x\n", res);

    return res;
}

static const struct {
    u32 fs;
    u8 mclk;
} ps3av_cnv_mclk_table[] = {
    { PS3AV_CMD_AUDIO_FS_44K, PS3AV_CMD_AV_MCLK_512 },
    { PS3AV_CMD_AUDIO_FS_48K, PS3AV_CMD_AV_MCLK_512 },
    { PS3AV_CMD_AUDIO_FS_88K, PS3AV_CMD_AV_MCLK_256 },
    { PS3AV_CMD_AUDIO_FS_96K, PS3AV_CMD_AV_MCLK_256 },
    { PS3AV_CMD_AUDIO_FS_176K, PS3AV_CMD_AV_MCLK_128 },
    { PS3AV_CMD_AUDIO_FS_192K, PS3AV_CMD_AV_MCLK_128 }
};

static u8 ps3av_cnv_mclk(u32 fs)
{
    unsigned int i;

    for (i = 0; i < ARRAY_SIZE(ps3av_cnv_mclk_table); i++)
        if (ps3av_cnv_mclk_table[i].fs == fs)
            return ps3av_cnv_mclk_table[i].mclk;

    printk(KERN_ERR "%s failed, fs:%x\n", __func__, fs);
    return 0;
}

#define BASE    PS3AV_CMD_AUDIO_FS_44K

static const u32 ps3av_ns_table[][5] = {
                    /*   D1,    D2,    D3,    D4,    D5 */
    [PS3AV_CMD_AUDIO_FS_44K-BASE] = {  6272,  6272, 17836, 17836,  8918 },
    [PS3AV_CMD_AUDIO_FS_48K-BASE] = {  6144,  6144, 11648, 11648,  5824 },
    [PS3AV_CMD_AUDIO_FS_88K-BASE] = { 12544, 12544, 35672, 35672, 17836 },
    [PS3AV_CMD_AUDIO_FS_96K-BASE] = { 12288, 12288, 23296, 23296, 11648 },
    [PS3AV_CMD_AUDIO_FS_176K-BASE] =    { 25088, 25088, 71344, 71344, 35672 },
    [PS3AV_CMD_AUDIO_FS_192K-BASE] =    { 24576, 24576, 46592, 46592, 23296 }
};

static void ps3av_cnv_ns(u8 *ns, u32 fs, u32 video_vid)
{
    u32 av_vid, ns_val;
    int d;

    d = ns_val = 0;
    av_vid = ps3av_vid_video2av(video_vid);
    switch (av_vid) {
    case PS3AV_CMD_AV_VID_480I:
    case PS3AV_CMD_AV_VID_576I:
        d = 0;
        break;
    case PS3AV_CMD_AV_VID_480P:
    case PS3AV_CMD_AV_VID_576P:
        d = 1;
        break;
    case PS3AV_CMD_AV_VID_1080I_60HZ:
    case PS3AV_CMD_AV_VID_1080I_50HZ:
        d = 2;
        break;
    case PS3AV_CMD_AV_VID_720P_60HZ:
    case PS3AV_CMD_AV_VID_720P_50HZ:
        d = 3;
        break;
    case PS3AV_CMD_AV_VID_1080P_60HZ:
    case PS3AV_CMD_AV_VID_1080P_50HZ:
    case PS3AV_CMD_AV_VID_WXGA:
    case PS3AV_CMD_AV_VID_SXGA:
    case PS3AV_CMD_AV_VID_WUXGA:
        d = 4;
        break;
    default:
        printk(KERN_ERR "%s failed, vid:%x\n", __func__, video_vid);
        break;
    }

    if (fs < PS3AV_CMD_AUDIO_FS_44K || fs > PS3AV_CMD_AUDIO_FS_192K)
        printk(KERN_ERR "%s failed, fs:%x\n", __func__, fs);
    else
        ns_val = ps3av_ns_table[PS3AV_CMD_AUDIO_FS_44K-BASE][d];

    *ns++ = ns_val & 0x000000FF;
    *ns++ = (ns_val & 0x0000FF00) >> 8;
    *ns = (ns_val & 0x00FF0000) >> 16;
}

#undef BASE

static u8 ps3av_cnv_enable(u32 source, const u8 *enable)
{
    u8 ret = 0;

    if (source == PS3AV_CMD_AUDIO_SOURCE_SPDIF) {
        ret = 0x03;
    } else if (source == PS3AV_CMD_AUDIO_SOURCE_SERIAL) {
        ret = ((enable[0] << 4) + (enable[1] << 5) + (enable[2] << 6) +
               (enable[3] << 7)) | 0x01;
    } else
        printk(KERN_ERR "%s failed, source:%x\n", __func__, source);
    return ret;
}

static u8 ps3av_cnv_fifomap(const u8 *map)
{
    u8 ret = 0;

    ret = map[0] + (map[1] << 2) + (map[2] << 4) + (map[3] << 6);
    return ret;
}

static u8 ps3av_cnv_inputlen(u32 word_bits)
{
    u8 ret = 0;

    switch (word_bits) {
    case PS3AV_CMD_AUDIO_WORD_BITS_16:
        ret = PS3AV_CMD_AV_INPUTLEN_16;
        break;
    case PS3AV_CMD_AUDIO_WORD_BITS_20:
        ret = PS3AV_CMD_AV_INPUTLEN_20;
        break;
    case PS3AV_CMD_AUDIO_WORD_BITS_24:
        ret = PS3AV_CMD_AV_INPUTLEN_24;
        break;
    default:
        printk(KERN_ERR "%s failed, word_bits:%x\n", __func__,
               word_bits);
        break;
    }
    return ret;
}

static u8 ps3av_cnv_layout(u32 num_of_ch)
{
    if (num_of_ch > PS3AV_CMD_AUDIO_NUM_OF_CH_8) {
        printk(KERN_ERR "%s failed, num_of_ch:%x\n", __func__,
               num_of_ch);
        return 0;
    }

    return num_of_ch == PS3AV_CMD_AUDIO_NUM_OF_CH_2 ? 0x0 : 0x1;
}

static void ps3av_cnv_info(struct ps3av_audio_info_frame *info,
               const struct ps3av_pkt_audio_mode *mode)
{
    info->pb1.cc = mode->audio_num_of_ch + 1;   /* CH2:0x01 --- CH8:0x07 */
    info->pb1.ct = 0;
    info->pb2.sf = 0;
    info->pb2.ss = 0;

    info->pb3 = 0;      /* check mode->audio_format ?? */
    info->pb4 = mode->audio_layout;
    info->pb5.dm = mode->audio_downmix;
    info->pb5.lsv = mode->audio_downmix_level;
}

static void ps3av_cnv_chstat(u8 *chstat, const u8 *cs_info)
{
    memcpy(chstat, cs_info, 5);
}

u32 ps3av_cmd_set_av_audio_param(void *p, u32 port,
                 const struct ps3av_pkt_audio_mode *audio_mode,
                 u32 video_vid)
{
    struct ps3av_pkt_av_audio_param *param;

    param = (struct ps3av_pkt_av_audio_param *)p;

    memset(param, 0, sizeof(*param));
    ps3av_set_hdr(PS3AV_CID_AV_AUDIO_PARAM, sizeof(*param),
              &param->send_hdr);

    param->avport = port;
    param->mclk = ps3av_cnv_mclk(audio_mode->audio_fs) | 0x80;
    ps3av_cnv_ns(param->ns, audio_mode->audio_fs, video_vid);
    param->enable = ps3av_cnv_enable(audio_mode->audio_source,
                     audio_mode->audio_enable);
    param->swaplr = 0x09;
    param->fifomap = ps3av_cnv_fifomap(audio_mode->audio_map);
    param->inputctrl = 0x49;
    param->inputlen = ps3av_cnv_inputlen(audio_mode->audio_word_bits);
    param->layout = ps3av_cnv_layout(audio_mode->audio_num_of_ch);
    ps3av_cnv_info(&param->info, audio_mode);
    ps3av_cnv_chstat(param->chstat, audio_mode->audio_cs_info);

    return sizeof(*param);
}

/* default cs val */
u8 ps3av_mode_cs_info[] = {
    0x00, 0x09, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00
};
EXPORT_SYMBOL_GPL(ps3av_mode_cs_info);

#define CS_44   0x00
#define CS_48   0x02
#define CS_88   0x08
#define CS_96   0x0a
#define CS_176  0x0c
#define CS_192  0x0e
#define CS_MASK 0x0f
#define CS_BIT  0x40

void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
                  u32 ch, u32 fs, u32 word_bits, u32 format,
                  u32 source)
{
    int spdif_through;
    int i;

    if (!(ch | fs | format | word_bits | source)) {
        ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2;
        fs = PS3AV_CMD_AUDIO_FS_48K;
        word_bits = PS3AV_CMD_AUDIO_WORD_BITS_16;
        format = PS3AV_CMD_AUDIO_FORMAT_PCM;
        source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
    }

    /* audio mode */
    memset(audio, 0, sizeof(*audio));
    ps3av_set_hdr(PS3AV_CID_AUDIO_MODE, sizeof(*audio), &audio->send_hdr);

    audio->avport = (u8) avport;
    audio->mask = 0x0FFF;   /* XXX set all */
    audio->audio_num_of_ch = ch;
    audio->audio_fs = fs;
    audio->audio_word_bits = word_bits;
    audio->audio_format = format;
    audio->audio_source = source;

    switch (ch) {
    case PS3AV_CMD_AUDIO_NUM_OF_CH_8:
        audio->audio_enable[3] = 1;
        /* fall through */
    case PS3AV_CMD_AUDIO_NUM_OF_CH_6:
        audio->audio_enable[2] = 1;
        audio->audio_enable[1] = 1;
        /* fall through */
    case PS3AV_CMD_AUDIO_NUM_OF_CH_2:
    default:
        audio->audio_enable[0] = 1;
    }

    /* audio swap L/R */
    for (i = 0; i < 4; i++)
        audio->audio_swap[i] = PS3AV_CMD_AUDIO_SWAP_0;  /* no swap */

    /* audio serial input mapping */
    audio->audio_map[0] = PS3AV_CMD_AUDIO_MAP_OUTPUT_0;
    audio->audio_map[1] = PS3AV_CMD_AUDIO_MAP_OUTPUT_1;
    audio->audio_map[2] = PS3AV_CMD_AUDIO_MAP_OUTPUT_2;
    audio->audio_map[3] = PS3AV_CMD_AUDIO_MAP_OUTPUT_3;

    /* audio speaker layout */
    if (avport == PS3AV_CMD_AVPORT_HDMI_0 ||
        avport == PS3AV_CMD_AVPORT_HDMI_1) {
        switch (ch) {
        case PS3AV_CMD_AUDIO_NUM_OF_CH_8:
            audio->audio_layout = PS3AV_CMD_AUDIO_LAYOUT_8CH;
            break;
        case PS3AV_CMD_AUDIO_NUM_OF_CH_6:
            audio->audio_layout = PS3AV_CMD_AUDIO_LAYOUT_6CH;
            break;
        case PS3AV_CMD_AUDIO_NUM_OF_CH_2:
        default:
            audio->audio_layout = PS3AV_CMD_AUDIO_LAYOUT_2CH;
            break;
        }
    } else {
        audio->audio_layout = PS3AV_CMD_AUDIO_LAYOUT_2CH;
    }

    /* audio downmix permission */
    audio->audio_downmix = PS3AV_CMD_AUDIO_DOWNMIX_PERMITTED;
    /* audio downmix level shift (0:0dB to 15:15dB) */
    audio->audio_downmix_level = 0; /* 0dB */

    /* set ch status */
    for (i = 0; i < 8; i++)
        audio->audio_cs_info[i] = ps3av_mode_cs_info[i];

    switch (fs) {
    case PS3AV_CMD_AUDIO_FS_44K:
        audio->audio_cs_info[3] &= ~CS_MASK;
        audio->audio_cs_info[3] |= CS_44;
        break;
    case PS3AV_CMD_AUDIO_FS_88K:
        audio->audio_cs_info[3] &= ~CS_MASK;
        audio->audio_cs_info[3] |= CS_88;
        break;
    case PS3AV_CMD_AUDIO_FS_96K:
        audio->audio_cs_info[3] &= ~CS_MASK;
        audio->audio_cs_info[3] |= CS_96;
        break;
    case PS3AV_CMD_AUDIO_FS_176K:
        audio->audio_cs_info[3] &= ~CS_MASK;
        audio->audio_cs_info[3] |= CS_176;
        break;
    case PS3AV_CMD_AUDIO_FS_192K:
        audio->audio_cs_info[3] &= ~CS_MASK;
        audio->audio_cs_info[3] |= CS_192;
        break;
    default:
        break;
    }

    /* non-audio bit */
    spdif_through = audio->audio_cs_info[0] & 0x02;

    /* pass through setting */
    if (spdif_through &&
        (avport == PS3AV_CMD_AVPORT_SPDIF_0 ||
         avport == PS3AV_CMD_AVPORT_SPDIF_1 ||
         avport == PS3AV_CMD_AVPORT_HDMI_0 ||
         avport == PS3AV_CMD_AVPORT_HDMI_1)) {
        audio->audio_word_bits = PS3AV_CMD_AUDIO_WORD_BITS_16;
        audio->audio_format = PS3AV_CMD_AUDIO_FORMAT_BITSTREAM;
    }
}

int ps3av_cmd_audio_mode(struct ps3av_pkt_audio_mode *audio_mode)
{
    int res;

    res = ps3av_do_pkt(PS3AV_CID_AUDIO_MODE, sizeof(*audio_mode),
               sizeof(*audio_mode), &audio_mode->send_hdr);
    if (res < 0)
        return res;

    res = get_status(audio_mode);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AUDIO_MODE: failed %x\n", res);

    return res;
}

int ps3av_cmd_audio_mute(int num_of_port, u32 *port, u32 mute)
{
    int i, res;
    struct ps3av_pkt_audio_mute audio_mute;

    if (num_of_port > PS3AV_OPT_PORT_MAX)
        return -EINVAL;

    /* audio mute */
    memset(&audio_mute, 0, sizeof(audio_mute));
    for (i = 0; i < num_of_port; i++) {
        audio_mute.mute[i].avport = port[i];
        audio_mute.mute[i].mute = mute;
    }

    res = ps3av_do_pkt(PS3AV_CID_AUDIO_MUTE,
               sizeof(audio_mute.send_hdr) +
               sizeof(struct ps3av_audio_mute) * num_of_port,
               sizeof(audio_mute), &audio_mute.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&audio_mute);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AUDIO_MUTE: failed %x\n", res);

    return res;
}

int ps3av_cmd_audio_active(int active, u32 port)
{
    int res;
    struct ps3av_pkt_audio_active audio_active;
    u32 cid;

    /* audio active */
    memset(&audio_active, 0, sizeof(audio_active));
    audio_active.audio_port = port;
    cid = active ? PS3AV_CID_AUDIO_ACTIVE : PS3AV_CID_AUDIO_INACTIVE;

    res = ps3av_do_pkt(cid, sizeof(audio_active), sizeof(audio_active),
               &audio_active.send_hdr);
    if (res < 0)
        return res;

    res = get_status(&audio_active);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AUDIO_ACTIVE:%x failed %x\n", cid,
               res);

    return res;
}

int ps3av_cmd_avb_param(struct ps3av_pkt_avb_param *avb, u32 send_len)
{
    int res;

    mutex_lock(&ps3_gpu_mutex);

    /* avb packet */
    res = ps3av_do_pkt(PS3AV_CID_AVB_PARAM, send_len, sizeof(*avb),
               &avb->send_hdr);
    if (res < 0)
        goto out;

    res = get_status(avb);
    if (res)
        pr_debug("%s: PS3AV_CID_AVB_PARAM: failed %x\n", __func__,
             res);

      out:
    mutex_unlock(&ps3_gpu_mutex);
    return res;
}

int ps3av_cmd_av_get_hw_conf(struct ps3av_pkt_av_get_hw_conf *hw_conf)
{
    int res;

    memset(hw_conf, 0, sizeof(*hw_conf));

    res = ps3av_do_pkt(PS3AV_CID_AV_GET_HW_CONF, sizeof(hw_conf->send_hdr),
               sizeof(*hw_conf), &hw_conf->send_hdr);
    if (res < 0)
        return res;

    res = get_status(hw_conf);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AV_GET_HW_CONF: failed %x\n", res);

    return res;
}

int ps3av_cmd_video_get_monitor_info(struct ps3av_pkt_av_get_monitor_info *info,
                     u32 avport)
{
    int res;

    memset(info, 0, sizeof(*info));
    info->avport = avport;

    res = ps3av_do_pkt(PS3AV_CID_AV_GET_MONITOR_INFO,
               sizeof(info->send_hdr) + sizeof(info->avport) +
               sizeof(info->reserved),
               sizeof(*info), &info->send_hdr);
    if (res < 0)
        return res;

    res = get_status(info);
    if (res)
        printk(KERN_ERR "PS3AV_CID_AV_GET_MONITOR_INFO: failed %x\n",
               res);

    return res;
}

#define PS3AV_AV_LAYOUT_0 (PS3AV_CMD_AV_LAYOUT_32 \
        | PS3AV_CMD_AV_LAYOUT_44 \
        | PS3AV_CMD_AV_LAYOUT_48)

#define PS3AV_AV_LAYOUT_1 (PS3AV_AV_LAYOUT_0 \
        | PS3AV_CMD_AV_LAYOUT_88 \
        | PS3AV_CMD_AV_LAYOUT_96 \
        | PS3AV_CMD_AV_LAYOUT_176 \
        | PS3AV_CMD_AV_LAYOUT_192)