path: root/drivers/ps3/ps3av.c

/*
 * 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/delay.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/kernel.h>
#include <linux/ioctl.h>
#include <asm/lv1call.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 timeout = 5000;	/* in msec ( 5 sec ) */
module_param(timeout, int, 0644);

static struct ps3av ps3av;

static struct ps3_vuart_port_device ps3av_dev = {
	.match_id = PS3_MATCH_ID_AV_SETTINGS
};

/* 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",
			       __FUNCTION__, hdr->cid, hdr->size);
		return 1;	/* receive event packet */