File: 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)