xref: /openbmc/linux/drivers/ps3/ps3av.c (revision 22246614)
1 /*
2  *  PS3 AV backend support.
3  *
4  *  Copyright (C) 2007 Sony Computer Entertainment Inc.
5  *  Copyright 2007 Sony Corp.
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; version 2 of the License.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 
21 #include <linux/kernel.h>
22 #include <linux/module.h>
23 #include <linux/delay.h>
24 #include <linux/notifier.h>
25 #include <linux/ioctl.h>
26 #include <linux/fb.h>
27 
28 #include <asm/firmware.h>
29 #include <asm/ps3av.h>
30 #include <asm/ps3.h>
31 
32 #include "vuart.h"
33 
34 #define BUFSIZE          4096	/* vuart buf size */
35 #define PS3AV_BUF_SIZE   512	/* max packet size */
36 
37 static int safe_mode;
38 
39 static int timeout = 5000;	/* in msec ( 5 sec ) */
40 module_param(timeout, int, 0644);
41 
42 static struct ps3av {
43 	struct mutex mutex;
44 	struct work_struct work;
45 	struct completion done;
46 	struct workqueue_struct *wq;
47 	int open_count;
48 	struct ps3_system_bus_device *dev;
49 
50 	int region;
51 	struct ps3av_pkt_av_get_hw_conf av_hw_conf;
52 	u32 av_port[PS3AV_AV_PORT_MAX + PS3AV_OPT_PORT_MAX];
53 	u32 opt_port[PS3AV_OPT_PORT_MAX];
54 	u32 head[PS3AV_HEAD_MAX];
55 	u32 audio_port;
56 	int ps3av_mode;
57 	int ps3av_mode_old;
58 	union {
59 		struct ps3av_reply_hdr reply_hdr;
60 		u8 raw[PS3AV_BUF_SIZE];
61 	} recv_buf;
62 	void (*flip_ctl)(int on, void *data);
63 	void *flip_data;
64 } *ps3av;
65 
66 /* color space */
67 #define YUV444 PS3AV_CMD_VIDEO_CS_YUV444_8
68 #define RGB8   PS3AV_CMD_VIDEO_CS_RGB_8
69 /* format */
70 #define XRGB   PS3AV_CMD_VIDEO_FMT_X8R8G8B8
71 /* aspect */
72 #define A_N    PS3AV_CMD_AV_ASPECT_4_3
73 #define A_W    PS3AV_CMD_AV_ASPECT_16_9
74 static const struct avset_video_mode {
75 	u32 cs;
76 	u32 fmt;
77 	u32 vid;
78 	u32 aspect;
79 	u32 x;
80 	u32 y;
81 } video_mode_table[] = {
82 	{     0, }, /* auto */
83 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480I,       A_N,  720,  480},
84 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480P,       A_N,  720,  480},
85 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_60HZ,  A_N, 1280,  720},
86 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_60HZ, A_W, 1920, 1080},
87 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_60HZ, A_W, 1920, 1080},
88 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576I,       A_N,  720,  576},
89 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576P,       A_N,  720,  576},
90 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_50HZ,  A_N, 1280,  720},
91 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_50HZ, A_W, 1920, 1080},
92 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_50HZ, A_W, 1920, 1080},
93 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WXGA,       A_W, 1280,  768},
94 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_SXGA,       A_N, 1280, 1024},
95 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WUXGA,      A_W, 1920, 1200},
96 };
97 
98 /* supported CIDs */
99 static u32 cmd_table[] = {
100 	/* init */
101 	PS3AV_CID_AV_INIT,
102 	PS3AV_CID_AV_FIN,
103 	PS3AV_CID_VIDEO_INIT,
104 	PS3AV_CID_AUDIO_INIT,
105 
106 	/* set */
107 	PS3AV_CID_AV_ENABLE_EVENT,
108 	PS3AV_CID_AV_DISABLE_EVENT,
109 
110 	PS3AV_CID_AV_VIDEO_CS,
111 	PS3AV_CID_AV_VIDEO_MUTE,
112 	PS3AV_CID_AV_VIDEO_DISABLE_SIG,
113 	PS3AV_CID_AV_AUDIO_PARAM,
114 	PS3AV_CID_AV_AUDIO_MUTE,
115 	PS3AV_CID_AV_HDMI_MODE,
116 	PS3AV_CID_AV_TV_MUTE,
117 
118 	PS3AV_CID_VIDEO_MODE,
119 	PS3AV_CID_VIDEO_FORMAT,
120 	PS3AV_CID_VIDEO_PITCH,
121 
122 	PS3AV_CID_AUDIO_MODE,
123 	PS3AV_CID_AUDIO_MUTE,
124 	PS3AV_CID_AUDIO_ACTIVE,
125 	PS3AV_CID_AUDIO_INACTIVE,
126 	PS3AV_CID_AVB_PARAM,
127 
128 	/* get */
129 	PS3AV_CID_AV_GET_HW_CONF,
130 	PS3AV_CID_AV_GET_MONITOR_INFO,
131 
132 	/* event */
133 	PS3AV_CID_EVENT_UNPLUGGED,
134 	PS3AV_CID_EVENT_PLUGGED,
135 	PS3AV_CID_EVENT_HDCP_DONE,
136 	PS3AV_CID_EVENT_HDCP_FAIL,
137 	PS3AV_CID_EVENT_HDCP_AUTH,
138 	PS3AV_CID_EVENT_HDCP_ERROR,
139 
140 	0
141 };
142 
143 #define PS3AV_EVENT_CMD_MASK           0x10000000
144 #define PS3AV_EVENT_ID_MASK            0x0000ffff
145 #define PS3AV_CID_MASK                 0xffffffff
146 #define PS3AV_REPLY_BIT                0x80000000
147 
148 #define ps3av_event_get_port_id(cid)   ((cid >> 16) & 0xff)
149 
150 static u32 *ps3av_search_cmd_table(u32 cid, u32 mask)
151 {
152 	u32 *table;
153 	int i;
154 
155 	table = cmd_table;
156 	for (i = 0;; table++, i++) {
157 		if ((*table & mask) == (cid & mask))
158 			break;
159 		if (*table == 0)
160 			return NULL;
161 	}
162 	return table;
163 }
164 
165 static int ps3av_parse_event_packet(const struct ps3av_reply_hdr *hdr)
166 {
167 	u32 *table;
168 
169 	if (hdr->cid & PS3AV_EVENT_CMD_MASK) {
170 		table = ps3av_search_cmd_table(hdr->cid, PS3AV_EVENT_CMD_MASK);
171 		if (table)
172 			dev_dbg(&ps3av->dev->core,
173 				"recv event packet cid:%08x port:0x%x size:%d\n",
174 				hdr->cid, ps3av_event_get_port_id(hdr->cid),
175 				hdr->size);
176 		else
177 			printk(KERN_ERR
178 			       "%s: failed event packet, cid:%08x size:%d\n",
179 			       __func__, hdr->cid, hdr->size);
180 		return 1;	/* receive event packet */
181 	}
182 	return 0;
183 }
184 
185 
186 #define POLLING_INTERVAL  25	/* in msec */
187 
188 static int ps3av_vuart_write(struct ps3_system_bus_device *dev,
189 			     const void *buf, unsigned long size)
190 {
191 	int error;
192 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
193 	error = ps3_vuart_write(dev, buf, size);
194 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
195 	return error ? error : size;
196 }
197 
198 static int ps3av_vuart_read(struct ps3_system_bus_device *dev, void *buf,
199 			    unsigned long size, int timeout)
200 {
201 	int error;
202 	int loopcnt = 0;
203 
204 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
205 	timeout = (timeout + POLLING_INTERVAL - 1) / POLLING_INTERVAL;
206 	while (loopcnt++ <= timeout) {
207 		error = ps3_vuart_read(dev, buf, size);
208 		if (!error)
209 			return size;
210 		if (error != -EAGAIN) {
211 			printk(KERN_ERR "%s: ps3_vuart_read failed %d\n",
212 			       __func__, error);
213 			return error;
214 		}
215 		msleep(POLLING_INTERVAL);
216 	}
217 	return -EWOULDBLOCK;
218 }
219 
220 static int ps3av_send_cmd_pkt(const struct ps3av_send_hdr *send_buf,
221 			      struct ps3av_reply_hdr *recv_buf, int write_len,
222 			      int read_len)
223 {
224 	int res;
225 	u32 cmd;
226 	int event;
227 
228 	if (!ps3av)
229 		return -ENODEV;
230 
231 	/* send pkt */
232 	res = ps3av_vuart_write(ps3av->dev, send_buf, write_len);
233 	if (res < 0) {
234 		dev_dbg(&ps3av->dev->core,
235 			"%s: ps3av_vuart_write() failed (result=%d)\n",
236 			__func__, res);
237 		return res;
238 	}
239 
240 	/* recv pkt */
241 	cmd = send_buf->cid;
242 	do {
243 		/* read header */
244 		res = ps3av_vuart_read(ps3av->dev, recv_buf, PS3AV_HDR_SIZE,
245 				       timeout);
246 		if (res != PS3AV_HDR_SIZE) {
247 			dev_dbg(&ps3av->dev->core,
248 				"%s: ps3av_vuart_read() failed (result=%d)\n",
249 				__func__, res);
250 			return res;
251 		}
252 
253 		/* read body */
254 		res = ps3av_vuart_read(ps3av->dev, &recv_buf->cid,
255 				       recv_buf->size, timeout);
256 		if (res < 0) {
257 			dev_dbg(&ps3av->dev->core,
258 				"%s: ps3av_vuart_read() failed (result=%d)\n",
259 				__func__, res);
260 			return res;
261 		}
262 		res += PS3AV_HDR_SIZE;	/* total len */
263 		event = ps3av_parse_event_packet(recv_buf);
264 		/* ret > 0 event packet */
265 	} while (event);
266 
267 	if ((cmd | PS3AV_REPLY_BIT) != recv_buf->cid) {
268 		dev_dbg(&ps3av->dev->core, "%s: reply err (result=%x)\n",
269 			__func__, recv_buf->cid);
270 		return -EINVAL;
271 	}
272 
273 	return 0;
274 }
275 
276 static int ps3av_process_reply_packet(struct ps3av_send_hdr *cmd_buf,
277 				      const struct ps3av_reply_hdr *recv_buf,
278 				      int user_buf_size)
279 {
280 	int return_len;
281 
282 	if (recv_buf->version != PS3AV_VERSION) {
283 		dev_dbg(&ps3av->dev->core, "reply_packet invalid version:%x\n",
284 			recv_buf->version);
285 		return -EFAULT;
286 	}
287 	return_len = recv_buf->size + PS3AV_HDR_SIZE;
288 	if (return_len > user_buf_size)
289 		return_len = user_buf_size;
290 	memcpy(cmd_buf, recv_buf, return_len);
291 	return 0;		/* success */
292 }
293 
294 void ps3av_set_hdr(u32 cid, u16 size, struct ps3av_send_hdr *hdr)
295 {
296 	hdr->version = PS3AV_VERSION;
297 	hdr->size = size - PS3AV_HDR_SIZE;
298 	hdr->cid = cid;
299 }
300 
301 int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size,
302 		 struct ps3av_send_hdr *buf)
303 {
304 	int res = 0;
305 	u32 *table;
306 
307 	BUG_ON(!ps3av);
308 
309 	mutex_lock(&ps3av->mutex);
310 
311 	table = ps3av_search_cmd_table(cid, PS3AV_CID_MASK);
312 	BUG_ON(!table);
313 	BUG_ON(send_len < PS3AV_HDR_SIZE);
314 	BUG_ON(usr_buf_size < send_len);
315 	BUG_ON(usr_buf_size > PS3AV_BUF_SIZE);
316 
317 	/* create header */
318 	ps3av_set_hdr(cid, send_len, buf);
319 
320 	/* send packet via vuart */
321 	res = ps3av_send_cmd_pkt(buf, &ps3av->recv_buf.reply_hdr, send_len,
322 				 usr_buf_size);
323 	if (res < 0) {
324 		printk(KERN_ERR
325 		       "%s: ps3av_send_cmd_pkt() failed (result=%d)\n",
326 		       __func__, res);
327 		goto err;
328 	}
329 
330 	/* process reply packet */
331 	res = ps3av_process_reply_packet(buf, &ps3av->recv_buf.reply_hdr,
332 					 usr_buf_size);
333 	if (res < 0) {
334 		printk(KERN_ERR "%s: put_return_status() failed (result=%d)\n",
335 		       __func__, res);
336 		goto err;
337 	}
338 
339 	mutex_unlock(&ps3av->mutex);
340 	return 0;
341 
342       err:
343 	mutex_unlock(&ps3av->mutex);
344 	printk(KERN_ERR "%s: failed cid:%x res:%d\n", __func__, cid, res);
345 	return res;
346 }
347 
348 static int ps3av_set_av_video_mute(u32 mute)
349 {
350 	int i, num_of_av_port, res;
351 
352 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
353 			 ps3av->av_hw_conf.num_of_avmulti;
354 	/* video mute on */
355 	for (i = 0; i < num_of_av_port; i++) {
356 		res = ps3av_cmd_av_video_mute(1, &ps3av->av_port[i], mute);
357 		if (res < 0)
358 			return -1;
359 	}
360 
361 	return 0;
362 }
363 
364 static int ps3av_set_video_disable_sig(void)
365 {
366 	int i, num_of_hdmi_port, num_of_av_port, res;
367 
368 	num_of_hdmi_port = ps3av->av_hw_conf.num_of_hdmi;
369 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
370 			 ps3av->av_hw_conf.num_of_avmulti;
371 
372 	/* tv mute */
373 	for (i = 0; i < num_of_hdmi_port; i++) {
374 		res = ps3av_cmd_av_tv_mute(ps3av->av_port[i],
375 					   PS3AV_CMD_MUTE_ON);
376 		if (res < 0)
377 			return -1;
378 	}
379 	msleep(100);
380 
381 	/* video mute on */
382 	for (i = 0; i < num_of_av_port; i++) {
383 		res = ps3av_cmd_av_video_disable_sig(ps3av->av_port[i]);
384 		if (res < 0)
385 			return -1;
386 		if (i < num_of_hdmi_port) {
387 			res = ps3av_cmd_av_tv_mute(ps3av->av_port[i],
388 						   PS3AV_CMD_MUTE_OFF);
389 			if (res < 0)
390 				return -1;
391 		}
392 	}
393 	msleep(300);
394 
395 	return 0;
396 }
397 
398 static int ps3av_set_audio_mute(u32 mute)
399 {
400 	int i, num_of_av_port, num_of_opt_port, res;
401 
402 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
403 			 ps3av->av_hw_conf.num_of_avmulti;
404 	num_of_opt_port = ps3av->av_hw_conf.num_of_spdif;
405 
406 	for (i = 0; i < num_of_av_port; i++) {
407 		res = ps3av_cmd_av_audio_mute(1, &ps3av->av_port[i], mute);
408 		if (res < 0)
409 			return -1;
410 	}
411 	for (i = 0; i < num_of_opt_port; i++) {
412 		res = ps3av_cmd_audio_mute(1, &ps3av->opt_port[i], mute);
413 		if (res < 0)
414 			return -1;
415 	}
416 
417 	return 0;
418 }
419 
420 int ps3av_set_audio_mode(u32 ch, u32 fs, u32 word_bits, u32 format, u32 source)
421 {
422 	struct ps3av_pkt_avb_param avb_param;
423 	int i, num_of_audio, vid, res;
424 	struct ps3av_pkt_audio_mode audio_mode;
425 	u32 len = 0;
426 
427 	num_of_audio = ps3av->av_hw_conf.num_of_hdmi +
428 		       ps3av->av_hw_conf.num_of_avmulti +
429 		       ps3av->av_hw_conf.num_of_spdif;
430 
431 	avb_param.num_of_video_pkt = 0;
432 	avb_param.num_of_audio_pkt = PS3AV_AVB_NUM_AUDIO;	/* always 0 */
433 	avb_param.num_of_av_video_pkt = 0;
434 	avb_param.num_of_av_audio_pkt = ps3av->av_hw_conf.num_of_hdmi;
435 
436 	vid = video_mode_table[ps3av->ps3av_mode].vid;
437 
438 	/* audio mute */
439 	ps3av_set_audio_mute(PS3AV_CMD_MUTE_ON);
440 
441 	/* audio inactive */
442 	res = ps3av_cmd_audio_active(0, ps3av->audio_port);
443 	if (res < 0)
444 		dev_dbg(&ps3av->dev->core,
445 			"ps3av_cmd_audio_active OFF failed\n");
446 
447 	/* audio_pkt */
448 	for (i = 0; i < num_of_audio; i++) {
449 		ps3av_cmd_set_audio_mode(&audio_mode, ps3av->av_port[i], ch,
450 					 fs, word_bits, format, source);
451 		if (i < ps3av->av_hw_conf.num_of_hdmi) {
452 			/* hdmi only */
453 			len += ps3av_cmd_set_av_audio_param(&avb_param.buf[len],
454 							    ps3av->av_port[i],
455 							    &audio_mode, vid);
456 		}
457 		/* audio_mode pkt should be sent separately */
458 		res = ps3av_cmd_audio_mode(&audio_mode);
459 		if (res < 0)
460 			dev_dbg(&ps3av->dev->core,
461 				"ps3av_cmd_audio_mode failed, port:%x\n", i);
462 	}
463 
464 	/* send command using avb pkt */
465 	len += offsetof(struct ps3av_pkt_avb_param, buf);
466 	res = ps3av_cmd_avb_param(&avb_param, len);
467 	if (res < 0)
468 		dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n");
469 
470 	/* audio mute */
471 	ps3av_set_audio_mute(PS3AV_CMD_MUTE_OFF);
472 
473 	/* audio active */
474 	res = ps3av_cmd_audio_active(1, ps3av->audio_port);
475 	if (res < 0)
476 		dev_dbg(&ps3av->dev->core,
477 			"ps3av_cmd_audio_active ON failed\n");
478 
479 	return 0;
480 }
481 
482 EXPORT_SYMBOL_GPL(ps3av_set_audio_mode);
483 
484 static int ps3av_set_videomode(void)
485 {
486 	/* av video mute */
487 	ps3av_set_av_video_mute(PS3AV_CMD_MUTE_ON);
488 
489 	/* wake up ps3avd to do the actual video mode setting */
490 	queue_work(ps3av->wq, &ps3av->work);
491 
492 	return 0;
493 }
494 
495 static void ps3av_set_videomode_packet(u32 id)
496 {
497 	struct ps3av_pkt_avb_param avb_param;
498 	unsigned int i;
499 	u32 len = 0, av_video_cs;
500 	const struct avset_video_mode *video_mode;
501 	int res;
502 
503 	video_mode = &video_mode_table[id & PS3AV_MODE_MASK];
504 
505 	avb_param.num_of_video_pkt = PS3AV_AVB_NUM_VIDEO;	/* num of head */
506 	avb_param.num_of_audio_pkt = 0;
507 	avb_param.num_of_av_video_pkt = ps3av->av_hw_conf.num_of_hdmi +
508 					ps3av->av_hw_conf.num_of_avmulti;
509 	avb_param.num_of_av_audio_pkt = 0;
510 
511 	/* video_pkt */
512 	for (i = 0; i < avb_param.num_of_video_pkt; i++)
513 		len += ps3av_cmd_set_video_mode(&avb_param.buf[len],
514 						ps3av->head[i], video_mode->vid,
515 						video_mode->fmt, id);
516 	/* av_video_pkt */
517 	for (i = 0; i < avb_param.num_of_av_video_pkt; i++) {
518 		if (id & PS3AV_MODE_DVI || id & PS3AV_MODE_RGB)
519 			av_video_cs = RGB8;
520 		else
521 			av_video_cs = video_mode->cs;
522 #ifndef PS3AV_HDMI_YUV
523 		if (ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_0 ||
524 		    ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_1)
525 			av_video_cs = RGB8;	/* use RGB for HDMI */
526 #endif
527 		len += ps3av_cmd_set_av_video_cs(&avb_param.buf[len],
528 						 ps3av->av_port[i],
529 						 video_mode->vid, av_video_cs,
530 						 video_mode->aspect, id);
531 	}
532 	/* send command using avb pkt */
533 	len += offsetof(struct ps3av_pkt_avb_param, buf);
534 	res = ps3av_cmd_avb_param(&avb_param, len);
535 	if (res == PS3AV_STATUS_NO_SYNC_HEAD)
536 		printk(KERN_WARNING
537 		       "%s: Command failed. Please try your request again. \n",
538 		       __func__);
539 	else if (res)
540 		dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n");
541 }
542 
543 static void ps3av_set_videomode_cont(u32 id, u32 old_id)
544 {
545 	static int vesa;
546 	int res;
547 
548 	/* video signal off */
549 	ps3av_set_video_disable_sig();
550 
551 	/*
552 	 * AV backend needs non-VESA mode setting at least one time
553 	 * when VESA mode is used.
554 	 */
555 	if (vesa == 0 && (id & PS3AV_MODE_MASK) >= PS3AV_MODE_WXGA) {
556 		/* vesa mode */
557 		ps3av_set_videomode_packet(PS3AV_MODE_480P);
558 	}
559 	vesa = 1;
560 
561 	/* Retail PS3 product doesn't support this */
562 	if (id & PS3AV_MODE_HDCP_OFF) {
563 		res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_HDCP_OFF);
564 		if (res == PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
565 			dev_dbg(&ps3av->dev->core, "Not supported\n");
566 		else if (res)
567 			dev_dbg(&ps3av->dev->core,
568 				"ps3av_cmd_av_hdmi_mode failed\n");
569 	} else if (old_id & PS3AV_MODE_HDCP_OFF) {
570 		res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_MODE_NORMAL);
571 		if (res < 0 && res != PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
572 			dev_dbg(&ps3av->dev->core,
573 				"ps3av_cmd_av_hdmi_mode failed\n");
574 	}
575 
576 	ps3av_set_videomode_packet(id);
577 
578 	msleep(1500);
579 	/* av video mute */
580 	ps3av_set_av_video_mute(PS3AV_CMD_MUTE_OFF);
581 }
582 
583 static void ps3avd(struct work_struct *work)
584 {
585 	ps3av_set_videomode_cont(ps3av->ps3av_mode, ps3av->ps3av_mode_old);
586 	complete(&ps3av->done);
587 }
588 
589 #define SHIFT_50	0
590 #define SHIFT_60	4
591 #define SHIFT_VESA	8
592 
593 static const struct {
594 	unsigned mask : 19;
595 	unsigned id :  4;
596 } ps3av_preferred_modes[] = {
597 	{ PS3AV_RESBIT_WUXGA      << SHIFT_VESA, PS3AV_MODE_WUXGA   },
598 	{ PS3AV_RESBIT_1920x1080P << SHIFT_60,   PS3AV_MODE_1080P60 },
599 	{ PS3AV_RESBIT_1920x1080P << SHIFT_50,   PS3AV_MODE_1080P50 },
600 	{ PS3AV_RESBIT_1920x1080I << SHIFT_60,   PS3AV_MODE_1080I60 },
601 	{ PS3AV_RESBIT_1920x1080I << SHIFT_50,   PS3AV_MODE_1080I50 },
602 	{ PS3AV_RESBIT_SXGA       << SHIFT_VESA, PS3AV_MODE_SXGA    },
603 	{ PS3AV_RESBIT_WXGA       << SHIFT_VESA, PS3AV_MODE_WXGA    },
604 	{ PS3AV_RESBIT_1280x720P  << SHIFT_60,   PS3AV_MODE_720P60  },
605 	{ PS3AV_RESBIT_1280x720P  << SHIFT_50,   PS3AV_MODE_720P50  },
606 	{ PS3AV_RESBIT_720x480P   << SHIFT_60,   PS3AV_MODE_480P    },
607 	{ PS3AV_RESBIT_720x576P   << SHIFT_50,   PS3AV_MODE_576P    },
608 };
609 
610 static enum ps3av_mode_num ps3av_resbit2id(u32 res_50, u32 res_60,
611 					   u32 res_vesa)
612 {
613 	unsigned int i;
614 	u32 res_all;
615 
616 	/*
617 	 * We mask off the resolution bits we care about and combine the
618 	 * results in one bitfield, so make sure there's no overlap
619 	 */
620 	BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
621 		     PS3AV_RES_MASK_60 << SHIFT_60);
622 	BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
623 		     PS3AV_RES_MASK_VESA << SHIFT_VESA);
624 	BUILD_BUG_ON(PS3AV_RES_MASK_60 << SHIFT_60 &
625 		     PS3AV_RES_MASK_VESA << SHIFT_VESA);
626 	res_all = (res_50 & PS3AV_RES_MASK_50) << SHIFT_50 |
627 		  (res_60 & PS3AV_RES_MASK_60) << SHIFT_60 |
628 		  (res_vesa & PS3AV_RES_MASK_VESA) << SHIFT_VESA;
629 
630 	if (!res_all)
631 		return 0;
632 
633 	for (i = 0; i < ARRAY_SIZE(ps3av_preferred_modes); i++)
634 		if (res_all & ps3av_preferred_modes[i].mask)
635 			return ps3av_preferred_modes[i].id;
636 
637 	return 0;
638 }
639 
640 static enum ps3av_mode_num ps3av_hdmi_get_id(struct ps3av_info_monitor *info)
641 {
642 	enum ps3av_mode_num id;
643 
644 	if (safe_mode)
645 		return PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
646 
647 	/* check native resolution */
648 	id = ps3av_resbit2id(info->res_50.native, info->res_60.native,
649 			     info->res_vesa.native);
650 	if (id) {
651 		pr_debug("%s: Using native mode %d\n", __func__, id);
652 		return id;
653 	}
654 
655 	/* check supported resolutions */
656 	id = ps3av_resbit2id(info->res_50.res_bits, info->res_60.res_bits,
657 			     info->res_vesa.res_bits);
658 	if (id) {
659 		pr_debug("%s: Using supported mode %d\n", __func__, id);
660 		return id;
661 	}
662 
663 	if (ps3av->region & PS3AV_REGION_60)
664 		id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
665 	else
666 		id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_50;
667 	pr_debug("%s: Using default mode %d\n", __func__, id);
668 	return id;
669 }
670 
671 static void ps3av_monitor_info_dump(const struct ps3av_pkt_av_get_monitor_info *monitor_info)
672 {
673 	const struct ps3av_info_monitor *info = &monitor_info->info;
674 	const struct ps3av_info_audio *audio = info->audio;
675 	char id[sizeof(info->monitor_id)*3+1];
676 	int i;
677 
678 	pr_debug("Monitor Info: size %u\n", monitor_info->send_hdr.size);
679 
680 	pr_debug("avport: %02x\n", info->avport);
681 	for (i = 0; i < sizeof(info->monitor_id); i++)
682 		sprintf(&id[i*3], " %02x", info->monitor_id[i]);
683 	pr_debug("monitor_id: %s\n", id);
684 	pr_debug("monitor_type: %02x\n", info->monitor_type);
685 	pr_debug("monitor_name: %.*s\n", (int)sizeof(info->monitor_name),
686 		 info->monitor_name);
687 
688 	/* resolution */
689 	pr_debug("resolution_60: bits: %08x native: %08x\n",
690 		 info->res_60.res_bits, info->res_60.native);
691 	pr_debug("resolution_50: bits: %08x native: %08x\n",
692 		 info->res_50.res_bits, info->res_50.native);
693 	pr_debug("resolution_other: bits: %08x native: %08x\n",
694 		 info->res_other.res_bits, info->res_other.native);
695 	pr_debug("resolution_vesa: bits: %08x native: %08x\n",
696 		 info->res_vesa.res_bits, info->res_vesa.native);
697 
698 	/* color space */
699 	pr_debug("color space    rgb: %02x\n", info->cs.rgb);
700 	pr_debug("color space yuv444: %02x\n", info->cs.yuv444);
701 	pr_debug("color space yuv422: %02x\n", info->cs.yuv422);
702 
703 	/* color info */
704 	pr_debug("color info   red: X %04x Y %04x\n", info->color.red_x,
705 		 info->color.red_y);
706 	pr_debug("color info green: X %04x Y %04x\n", info->color.green_x,
707 		 info->color.green_y);
708 	pr_debug("color info  blue: X %04x Y %04x\n", info->color.blue_x,
709 		 info->color.blue_y);
710 	pr_debug("color info white: X %04x Y %04x\n", info->color.white_x,
711 		 info->color.white_y);
712 	pr_debug("color info gamma:  %08x\n", info->color.gamma);
713 
714 	/* other info */
715 	pr_debug("supported_AI: %02x\n", info->supported_ai);
716 	pr_debug("speaker_info: %02x\n", info->speaker_info);
717 	pr_debug("num of audio: %02x\n", info->num_of_audio_block);
718 
719 	/* audio block */
720 	for (i = 0; i < info->num_of_audio_block; i++) {
721 		pr_debug("audio[%d] type: %02x max_ch: %02x fs: %02x sbit: "
722 			 "%02x\n",
723 			 i, audio->type, audio->max_num_of_ch, audio->fs,
724 			 audio->sbit);
725 		audio++;
726 	}
727 }
728 
729 static const struct ps3av_monitor_quirk {
730 	const char *monitor_name;
731 	u32 clear_60;
732 } ps3av_monitor_quirks[] = {
733 	{
734 		.monitor_name	= "DELL 2007WFP",
735 		.clear_60	= PS3AV_RESBIT_1920x1080I
736 	}, {
737 		.monitor_name	= "L226WTQ",
738 		.clear_60	= PS3AV_RESBIT_1920x1080I |
739 				  PS3AV_RESBIT_1920x1080P
740 	}, {
741 		.monitor_name	= "SyncMaster",
742 		.clear_60	= PS3AV_RESBIT_1920x1080I
743 	}
744 };
745 
746 static void ps3av_fixup_monitor_info(struct ps3av_info_monitor *info)
747 {
748 	unsigned int i;
749 	const struct ps3av_monitor_quirk *quirk;
750 
751 	for (i = 0; i < ARRAY_SIZE(ps3av_monitor_quirks); i++) {
752 		quirk = &ps3av_monitor_quirks[i];
753 		if (!strncmp(info->monitor_name, quirk->monitor_name,
754 			     sizeof(info->monitor_name))) {
755 			pr_info("%s: Applying quirk for %s\n", __func__,
756 				quirk->monitor_name);
757 			info->res_60.res_bits &= ~quirk->clear_60;
758 			info->res_60.native &= ~quirk->clear_60;
759 			break;
760 		}
761 	}
762 }
763 
764 static int ps3av_auto_videomode(struct ps3av_pkt_av_get_hw_conf *av_hw_conf)
765 {
766 	int i, res, id = 0, dvi = 0, rgb = 0;
767 	struct ps3av_pkt_av_get_monitor_info monitor_info;
768 	struct ps3av_info_monitor *info;
769 
770 	/* get mode id for hdmi */
771 	for (i = 0; i < av_hw_conf->num_of_hdmi && !id; i++) {
772 		res = ps3av_cmd_video_get_monitor_info(&monitor_info,
773 						       PS3AV_CMD_AVPORT_HDMI_0 +
774 						       i);
775 		if (res < 0)
776 			return -1;
777 
778 		ps3av_monitor_info_dump(&monitor_info);
779 
780 		info = &monitor_info.info;
781 		ps3av_fixup_monitor_info(info);
782 
783 		switch (info->monitor_type) {
784 		case PS3AV_MONITOR_TYPE_DVI:
785 			dvi = PS3AV_MODE_DVI;
786 			/* fall through */
787 		case PS3AV_MONITOR_TYPE_HDMI:
788 			id = ps3av_hdmi_get_id(info);
789 			break;
790 		}
791 	}
792 
793 	if (!id) {
794 		/* no HDMI interface or HDMI is off */
795 		if (ps3av->region & PS3AV_REGION_60)
796 			id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_60;
797 		else
798 			id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_50;
799 		if (ps3av->region & PS3AV_REGION_RGB)
800 			rgb = PS3AV_MODE_RGB;
801 		pr_debug("%s: Using avmulti mode %d\n", __func__, id);
802 	}
803 
804 	return id | dvi | rgb;
805 }
806 
807 static int ps3av_get_hw_conf(struct ps3av *ps3av)
808 {
809 	int i, j, k, res;
810 	const struct ps3av_pkt_av_get_hw_conf *hw_conf;
811 
812 	/* get av_hw_conf */
813 	res = ps3av_cmd_av_get_hw_conf(&ps3av->av_hw_conf);
814 	if (res < 0)
815 		return -1;
816 
817 	hw_conf = &ps3av->av_hw_conf;
818 	pr_debug("av_h_conf: num of hdmi: %u\n", hw_conf->num_of_hdmi);
819 	pr_debug("av_h_conf: num of avmulti: %u\n", hw_conf->num_of_avmulti);
820 	pr_debug("av_h_conf: num of spdif: %u\n", hw_conf->num_of_spdif);
821 
822 	for (i = 0; i < PS3AV_HEAD_MAX; i++)
823 		ps3av->head[i] = PS3AV_CMD_VIDEO_HEAD_A + i;
824 	for (i = 0; i < PS3AV_OPT_PORT_MAX; i++)
825 		ps3av->opt_port[i] = PS3AV_CMD_AVPORT_SPDIF_0 + i;
826 	for (i = 0; i < hw_conf->num_of_hdmi; i++)
827 		ps3av->av_port[i] = PS3AV_CMD_AVPORT_HDMI_0 + i;
828 	for (j = 0; j < hw_conf->num_of_avmulti; j++)
829 		ps3av->av_port[i + j] = PS3AV_CMD_AVPORT_AVMULTI_0 + j;
830 	for (k = 0; k < hw_conf->num_of_spdif; k++)
831 		ps3av->av_port[i + j + k] = PS3AV_CMD_AVPORT_SPDIF_0 + k;
832 
833 	/* set all audio port */
834 	ps3av->audio_port = PS3AV_CMD_AUDIO_PORT_HDMI_0
835 	    | PS3AV_CMD_AUDIO_PORT_HDMI_1
836 	    | PS3AV_CMD_AUDIO_PORT_AVMULTI_0
837 	    | PS3AV_CMD_AUDIO_PORT_SPDIF_0 | PS3AV_CMD_AUDIO_PORT_SPDIF_1;
838 
839 	return 0;
840 }
841 
842 /* set mode using id */
843 int ps3av_set_video_mode(u32 id)
844 {
845 	int size;
846 	u32 option;
847 
848 	size = ARRAY_SIZE(video_mode_table);
849 	if ((id & PS3AV_MODE_MASK) > size - 1 || id < 0) {
850 		dev_dbg(&ps3av->dev->core, "%s: error id :%d\n", __func__, id);
851 		return -EINVAL;
852 	}
853 
854 	/* auto mode */
855 	option = id & ~PS3AV_MODE_MASK;
856 	if ((id & PS3AV_MODE_MASK) == PS3AV_MODE_AUTO) {
857 		id = ps3av_auto_videomode(&ps3av->av_hw_conf);
858 		if (id < 1) {
859 			printk(KERN_ERR "%s: invalid id :%d\n", __func__, id);
860 			return -EINVAL;
861 		}
862 		id |= option;
863 	}
864 
865 	/* set videomode */
866 	wait_for_completion(&ps3av->done);
867 	ps3av->ps3av_mode_old = ps3av->ps3av_mode;
868 	ps3av->ps3av_mode = id;
869 	if (ps3av_set_videomode())
870 		ps3av->ps3av_mode = ps3av->ps3av_mode_old;
871 
872 	return 0;
873 }
874 
875 EXPORT_SYMBOL_GPL(ps3av_set_video_mode);
876 
877 int ps3av_get_auto_mode(void)
878 {
879 	return ps3av_auto_videomode(&ps3av->av_hw_conf);
880 }
881 
882 EXPORT_SYMBOL_GPL(ps3av_get_auto_mode);
883 
884 int ps3av_get_mode(void)
885 {
886 	return ps3av ? ps3av->ps3av_mode : 0;
887 }
888 
889 EXPORT_SYMBOL_GPL(ps3av_get_mode);
890 
891 /* get resolution by video_mode */
892 int ps3av_video_mode2res(u32 id, u32 *xres, u32 *yres)
893 {
894 	int size;
895 
896 	id = id & PS3AV_MODE_MASK;
897 	size = ARRAY_SIZE(video_mode_table);
898 	if (id > size - 1 || id < 0) {
899 		printk(KERN_ERR "%s: invalid mode %d\n", __func__, id);
900 		return -EINVAL;
901 	}
902 	*xres = video_mode_table[id].x;
903 	*yres = video_mode_table[id].y;
904 	return 0;
905 }
906 
907 EXPORT_SYMBOL_GPL(ps3av_video_mode2res);
908 
909 /* mute */
910 int ps3av_video_mute(int mute)
911 {
912 	return ps3av_set_av_video_mute(mute ? PS3AV_CMD_MUTE_ON
913 					    : PS3AV_CMD_MUTE_OFF);
914 }
915 
916 EXPORT_SYMBOL_GPL(ps3av_video_mute);
917 
918 int ps3av_audio_mute(int mute)
919 {
920 	return ps3av_set_audio_mute(mute ? PS3AV_CMD_MUTE_ON
921 					 : PS3AV_CMD_MUTE_OFF);
922 }
923 
924 EXPORT_SYMBOL_GPL(ps3av_audio_mute);
925 
926 void ps3av_register_flip_ctl(void (*flip_ctl)(int on, void *data),
927 			     void *flip_data)
928 {
929 	mutex_lock(&ps3av->mutex);
930 	ps3av->flip_ctl = flip_ctl;
931 	ps3av->flip_data = flip_data;
932 	mutex_unlock(&ps3av->mutex);
933 }
934 EXPORT_SYMBOL_GPL(ps3av_register_flip_ctl);
935 
936 void ps3av_flip_ctl(int on)
937 {
938 	mutex_lock(&ps3av->mutex);
939 	if (ps3av->flip_ctl)
940 		ps3av->flip_ctl(on, ps3av->flip_data);
941 	mutex_unlock(&ps3av->mutex);
942 }
943 
944 static int ps3av_probe(struct ps3_system_bus_device *dev)
945 {
946 	int res;
947 	u32 id;
948 
949 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
950 	dev_dbg(&dev->core, "  timeout=%d\n", timeout);
951 
952 	if (ps3av) {
953 		dev_err(&dev->core, "Only one ps3av device is supported\n");
954 		return -EBUSY;
955 	}
956 
957 	ps3av = kzalloc(sizeof(*ps3av), GFP_KERNEL);
958 	if (!ps3av)
959 		return -ENOMEM;
960 
961 	mutex_init(&ps3av->mutex);
962 	ps3av->ps3av_mode = PS3AV_MODE_AUTO;
963 	ps3av->dev = dev;
964 
965 	INIT_WORK(&ps3av->work, ps3avd);
966 	init_completion(&ps3av->done);
967 	complete(&ps3av->done);
968 	ps3av->wq = create_singlethread_workqueue("ps3avd");
969 	if (!ps3av->wq)
970 		goto fail;
971 
972 	switch (ps3_os_area_get_av_multi_out()) {
973 	case PS3_PARAM_AV_MULTI_OUT_NTSC:
974 		ps3av->region = PS3AV_REGION_60;
975 		break;
976 	case PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR:
977 	case PS3_PARAM_AV_MULTI_OUT_SECAM:
978 		ps3av->region = PS3AV_REGION_50;
979 		break;
980 	case PS3_PARAM_AV_MULTI_OUT_PAL_RGB:
981 		ps3av->region = PS3AV_REGION_50 | PS3AV_REGION_RGB;
982 		break;
983 	default:
984 		ps3av->region = PS3AV_REGION_60;
985 		break;
986 	}
987 
988 	/* init avsetting modules */
989 	res = ps3av_cmd_init();
990 	if (res < 0)
991 		printk(KERN_ERR "%s: ps3av_cmd_init failed %d\n", __func__,
992 		       res);
993 
994 	ps3av_get_hw_conf(ps3av);
995 
996 #ifdef CONFIG_FB
997 	if (fb_mode_option && !strcmp(fb_mode_option, "safe"))
998 		safe_mode = 1;
999 #endif /* CONFIG_FB */
1000 	id = ps3av_auto_videomode(&ps3av->av_hw_conf);
1001 	safe_mode = 0;
1002 
1003 	mutex_lock(&ps3av->mutex);
1004 	ps3av->ps3av_mode = id;
1005 	mutex_unlock(&ps3av->mutex);
1006 
1007 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1008 
1009 	return 0;
1010 
1011 fail:
1012 	kfree(ps3av);
1013 	ps3av = NULL;
1014 	return -ENOMEM;
1015 }
1016 
1017 static int ps3av_remove(struct ps3_system_bus_device *dev)
1018 {
1019 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1020 	if (ps3av) {
1021 		ps3av_cmd_fin();
1022 		if (ps3av->wq)
1023 			destroy_workqueue(ps3av->wq);
1024 		kfree(ps3av);
1025 		ps3av = NULL;
1026 	}
1027 
1028 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1029 	return 0;
1030 }
1031 
1032 static void ps3av_shutdown(struct ps3_system_bus_device *dev)
1033 {
1034 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1035 	ps3av_remove(dev);
1036 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1037 }
1038 
1039 static struct ps3_vuart_port_driver ps3av_driver = {
1040 	.core.match_id = PS3_MATCH_ID_AV_SETTINGS,
1041 	.core.core.name = "ps3_av",
1042 	.probe = ps3av_probe,
1043 	.remove = ps3av_remove,
1044 	.shutdown = ps3av_shutdown,
1045 };
1046 
1047 static int ps3av_module_init(void)
1048 {
1049 	int error;
1050 
1051 	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
1052 		return -ENODEV;
1053 
1054 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
1055 
1056 	error = ps3_vuart_port_driver_register(&ps3av_driver);
1057 	if (error) {
1058 		printk(KERN_ERR
1059 		       "%s: ps3_vuart_port_driver_register failed %d\n",
1060 		       __func__, error);
1061 		return error;
1062 	}
1063 
1064 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1065 	return error;
1066 }
1067 
1068 static void __exit ps3av_module_exit(void)
1069 {
1070 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
1071 	ps3_vuart_port_driver_unregister(&ps3av_driver);
1072 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1073 }
1074 
1075 subsys_initcall(ps3av_module_init);
1076 module_exit(ps3av_module_exit);
1077 
1078 MODULE_LICENSE("GPL v2");
1079 MODULE_DESCRIPTION("PS3 AV Settings Driver");
1080 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1081 MODULE_ALIAS(PS3_MODULE_ALIAS_AV_SETTINGS);
1082