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// 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_9static 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,

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