path: 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 *