xref: /openbmc/linux/drivers/ps3/ps3av.c (revision be709d48)
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 #include <linux/slab.h>
28 
29 #include <asm/firmware.h>
30 #include <asm/ps3av.h>
31 #include <asm/ps3.h>
32 
33 #include "vuart.h"
34 
35 #define BUFSIZE          4096	/* vuart buf size */
36 #define PS3AV_BUF_SIZE   512	/* max packet size */
37 
38 static int safe_mode;
39 
40 static int timeout = 5000;	/* in msec ( 5 sec ) */
41 module_param(timeout, int, 0644);
42 
43 static struct ps3av {
44 	struct mutex mutex;
45 	struct work_struct work;
46 	struct completion done;
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 } *ps3av;
63 
64 /* color space */
65 #define YUV444 PS3AV_CMD_VIDEO_CS_YUV444_8
66 #define RGB8   PS3AV_CMD_VIDEO_CS_RGB_8
67 /* format */
68 #define XRGB   PS3AV_CMD_VIDEO_FMT_X8R8G8B8
69 /* aspect */
70 #define A_N    PS3AV_CMD_AV_ASPECT_4_3
71 #define A_W    PS3AV_CMD_AV_ASPECT_16_9
72 static const struct avset_video_mode {
73 	u32 cs;
74 	u32 fmt;
75 	u32 vid;
76 	u32 aspect;
77 	u32 x;
78 	u32 y;
79 } video_mode_table[] = {
80 	{     0, }, /* auto */
81 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480I,       A_N,  720,  480},
82 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480P,       A_N,  720,  480},
83 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_60HZ,  A_W, 1280,  720},
84 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_60HZ, A_W, 1920, 1080},
85 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_60HZ, A_W, 1920, 1080},
86 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576I,       A_N,  720,  576},
87 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576P,       A_N,  720,  576},
88 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_50HZ,  A_W, 1280,  720},
89 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_50HZ, A_W, 1920, 1080},
90 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_50HZ, A_W, 1920, 1080},
91 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WXGA,       A_W, 1280,  768},
92 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_SXGA,       A_N, 1280, 1024},
93 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WUXGA,      A_W, 1920, 1200},
94 };
95 
96 /* supported CIDs */
97 static u32 cmd_table[] = {
98 	/* init */
99 	PS3AV_CID_AV_INIT,
100 	PS3AV_CID_AV_FIN,
101 	PS3AV_CID_VIDEO_INIT,
102 	PS3AV_CID_AUDIO_INIT,
103 
104 	/* set */
105 	PS3AV_CID_AV_ENABLE_EVENT,
106 	PS3AV_CID_AV_DISABLE_EVENT,
107 
108 	PS3AV_CID_AV_VIDEO_CS,
109 	PS3AV_CID_AV_VIDEO_MUTE,
110 	PS3AV_CID_AV_VIDEO_DISABLE_SIG,
111 	PS3AV_CID_AV_AUDIO_PARAM,
112 	PS3AV_CID_AV_AUDIO_MUTE,
113 	PS3AV_CID_AV_HDMI_MODE,
114 	PS3AV_CID_AV_TV_MUTE,
115 
116 	PS3AV_CID_VIDEO_MODE,
117 	PS3AV_CID_VIDEO_FORMAT,
118 	PS3AV_CID_VIDEO_PITCH,
119 
120 	PS3AV_CID_AUDIO_MODE,
121 	PS3AV_CID_AUDIO_MUTE,
122 	PS3AV_CID_AUDIO_ACTIVE,
123 	PS3AV_CID_AUDIO_INACTIVE,
124 	PS3AV_CID_AVB_PARAM,
125 
126 	/* get */
127 	PS3AV_CID_AV_GET_HW_CONF,
128 	PS3AV_CID_AV_GET_MONITOR_INFO,
129 
130 	/* event */
131 	PS3AV_CID_EVENT_UNPLUGGED,
132 	PS3AV_CID_EVENT_PLUGGED,
133 	PS3AV_CID_EVENT_HDCP_DONE,
134 	PS3AV_CID_EVENT_HDCP_FAIL,
135 	PS3AV_CID_EVENT_HDCP_AUTH,
136 	PS3AV_CID_EVENT_HDCP_ERROR,
137 
138 	0
139 };
140 
141 #define PS3AV_EVENT_CMD_MASK           0x10000000
142 #define PS3AV_EVENT_ID_MASK            0x0000ffff
143 #define PS3AV_CID_MASK                 0xffffffff
144 #define PS3AV_REPLY_BIT                0x80000000
145 
146 #define ps3av_event_get_port_id(cid)   ((cid >> 16) & 0xff)
147 
148 static u32 *ps3av_search_cmd_table(u32 cid, u32 mask)
149 {
150 	u32 *table;
151 	int i;
152 
153 	table = cmd_table;
154 	for (i = 0;; table++, i++) {
155 		if ((*table & mask) == (cid & mask))
156 			break;
157 		if (*table == 0)
158 			return NULL;
159 	}
160 	return table;
161 }
162 
163 static int ps3av_parse_event_packet(const struct ps3av_reply_hdr *hdr)
164 {
165 	u32 *table;
166 
167 	if (hdr->cid & PS3AV_EVENT_CMD_MASK) {
168 		table = ps3av_search_cmd_table(hdr->cid, PS3AV_EVENT_CMD_MASK);
169 		if (table)
170 			dev_dbg(&ps3av->dev->core,
171 				"recv event packet cid:%08x port:0x%x size:%d\n",
172 				hdr->cid, ps3av_event_get_port_id(hdr->cid),
173 				hdr->size);
174 		else
175 			printk(KERN_ERR
176 			       "%s: failed event packet, cid:%08x size:%d\n",
177 			       __func__, hdr->cid, hdr->size);
178 		return 1;	/* receive event packet */
179 	}
180 	return 0;
181 }
182 
183 
184 #define POLLING_INTERVAL  25	/* in msec */
185 
186 static int ps3av_vuart_write(struct ps3_system_bus_device *dev,
187 			     const void *buf, unsigned long size)
188 {
189 	int error;
190 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
191 	error = ps3_vuart_write(dev, buf, size);
192 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
193 	return error ? error : size;
194 }
195 
196 static int ps3av_vuart_read(struct ps3_system_bus_device *dev, void *buf,
197 			    unsigned long size, int timeout)
198 {
199 	int error;
200 	int loopcnt = 0;
201 
202 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
203 	timeout = (timeout + POLLING_INTERVAL - 1) / POLLING_INTERVAL;
204 	while (loopcnt++ <= timeout) {
205 		error = ps3_vuart_read(dev, buf, size);
206 		if (!error)
207 			return size;
208 		if (error != -EAGAIN) {
209 			printk(KERN_ERR "%s: ps3_vuart_read failed %d\n",
210 			       __func__, error);
211 			return error;
212 		}
213 		msleep(POLLING_INTERVAL);
214 	}
215 	return -EWOULDBLOCK;
216 }
217 
218 static int ps3av_send_cmd_pkt(const struct ps3av_send_hdr *send_buf,
219 			      struct ps3av_reply_hdr *recv_buf, int write_len,
220 			      int read_len)
221 {
222 	int res;
223 	u32 cmd;
224 	int event;
225 
226 	if (!ps3av)
227 		return -ENODEV;
228 
229 	/* send pkt */
230 	res = ps3av_vuart_write(ps3av->dev, send_buf, write_len);
231 	if (res < 0) {
232 		dev_dbg(&ps3av->dev->core,
233 			"%s: ps3av_vuart_write() failed (result=%d)\n",
234 			__func__, res);
235 		return res;
236 	}
237 
238 	/* recv pkt */
239 	cmd = send_buf->cid;
240 	do {
241 		/* read header */
242 		res = ps3av_vuart_read(ps3av->dev, recv_buf, PS3AV_HDR_SIZE,
243 				       timeout);
244 		if (res != PS3AV_HDR_SIZE) {
245 			dev_dbg(&ps3av->dev->core,
246 				"%s: ps3av_vuart_read() failed (result=%d)\n",
247 				__func__, res);
248 			return res;
249 		}
250 
251 		/* read body */
252 		res = ps3av_vuart_read(ps3av->dev, &recv_buf->cid,
253 				       recv_buf->size, timeout);
254 		if (res < 0) {
255 			dev_dbg(&ps3av->dev->core,
256 				"%s: ps3av_vuart_read() failed (result=%d)\n",
257 				__func__, res);
258 			return res;
259 		}
260 		res += PS3AV_HDR_SIZE;	/* total len */
261 		event = ps3av_parse_event_packet(recv_buf);
262 		/* ret > 0 event packet */
263 	} while (event);
264 
265 	if ((cmd | PS3AV_REPLY_BIT) != recv_buf->cid) {
266 		dev_dbg(&ps3av->dev->core, "%s: reply err (result=%x)\n",
267 			__func__, recv_buf->cid);
268 		return -EINVAL;
269 	}
270 
271 	return 0;
272 }
273 
274 static int ps3av_process_reply_packet(struct ps3av_send_hdr *cmd_buf,
275 				      const struct ps3av_reply_hdr *recv_buf,
276 				      int user_buf_size)
277 {
278 	int return_len;
279 
280 	if (recv_buf->version != PS3AV_VERSION) {
281 		dev_dbg(&ps3av->dev->core, "reply_packet invalid version:%x\n",
282 			recv_buf->version);
283 		return -EFAULT;
284 	}
285 	return_len = recv_buf->size + PS3AV_HDR_SIZE;
286 	if (return_len > user_buf_size)
287 		return_len = user_buf_size;
288 	memcpy(cmd_buf, recv_buf, return_len);
289 	return 0;		/* success */
290 }
291 
292 void ps3av_set_hdr(u32 cid, u16 size, struct ps3av_send_hdr *hdr)
293 {
294 	hdr->version = PS3AV_VERSION;
295 	hdr->size = size - PS3AV_HDR_SIZE;
296 	hdr->cid = cid;
297 }
298 
299 int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size,
300 		 struct ps3av_send_hdr *buf)
301 {
302 	int res = 0;
303 	u32 *table;
304 
305 	BUG_ON(!ps3av);
306 
307 	mutex_lock(&ps3av->mutex);
308 
309 	table = ps3av_search_cmd_table(cid, PS3AV_CID_MASK);
310 	BUG_ON(!table);
311 	BUG_ON(send_len < PS3AV_HDR_SIZE);
312 	BUG_ON(usr_buf_size < send_len);
313 	BUG_ON(usr_buf_size > PS3AV_BUF_SIZE);
314 
315 	/* create header */
316 	ps3av_set_hdr(cid, send_len, buf);
317 
318 	/* send packet via vuart */
319 	res = ps3av_send_cmd_pkt(buf, &ps3av->recv_buf.reply_hdr, send_len,
320 				 usr_buf_size);
321 	if (res < 0) {
322 		printk(KERN_ERR
323 		       "%s: ps3av_send_cmd_pkt() failed (result=%d)\n",
324 		       __func__, res);
325 		goto err;
326 	}
327 
328 	/* process reply packet */
329 	res = ps3av_process_reply_packet(buf, &ps3av->recv_buf.reply_hdr,
330 					 usr_buf_size);
331 	if (res < 0) {
332 		printk(KERN_ERR "%s: put_return_status() failed (result=%d)\n",
333 		       __func__, res);
334 		goto err;
335 	}
336 
337 	mutex_unlock(&ps3av->mutex);
338 	return 0;
339 
340 err:
341 	mutex_unlock(&ps3av->mutex);
342 	printk(KERN_ERR "%s: failed cid:%x res:%d\n", __func__, cid, res);
343 	return res;
344 }
345 
346 static int ps3av_set_av_video_mute(u32 mute)
347 {
348 	int i, num_of_av_port, res;
349 
350 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
351 			 ps3av->av_hw_conf.num_of_avmulti;
352 	/* video mute on */
353 	for (i = 0; i < num_of_av_port; i++) {
354 		res = ps3av_cmd_av_video_mute(1, &ps3av->av_port[i], mute);
355 		if (res < 0)
356 			return -1;
357 	}
358 
359 	return 0;
360 }
361 
362 static int ps3av_set_video_disable_sig(void)
363 {
364 	int i, num_of_hdmi_port, num_of_av_port, res;
365 
366 	num_of_hdmi_port = ps3av->av_hw_conf.num_of_hdmi;
367 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
368 			 ps3av->av_hw_conf.num_of_avmulti;
369 
370 	/* tv mute */
371 	for (i = 0; i < num_of_hdmi_port; i++) {
372 		res = ps3av_cmd_av_tv_mute(ps3av->av_port[i],
373 					   PS3AV_CMD_MUTE_ON);
374 		if (res < 0)
375 			return -1;
376 	}
377 	msleep(100);
378 
379 	/* video mute on */
380 	for (i = 0; i < num_of_av_port; i++) {
381 		res = ps3av_cmd_av_video_disable_sig(ps3av->av_port[i]);
382 		if (res < 0)
383 			return -1;
384 		if (i < num_of_hdmi_port) {
385 			res = ps3av_cmd_av_tv_mute(ps3av->av_port[i],
386 						   PS3AV_CMD_MUTE_OFF);
387 			if (res < 0)
388 				return -1;
389 		}
390 	}
391 	msleep(300);
392 
393 	return 0;
394 }
395 
396 static int ps3av_set_audio_mute(u32 mute)
397 {
398 	int i, num_of_av_port, num_of_opt_port, res;
399 
400 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
401 			 ps3av->av_hw_conf.num_of_avmulti;
402 	num_of_opt_port = ps3av->av_hw_conf.num_of_spdif;
403 
404 	for (i = 0; i < num_of_av_port; i++) {
405 		res = ps3av_cmd_av_audio_mute(1, &ps3av->av_port[i], mute);
406 		if (res < 0)
407 			return -1;
408 	}
409 	for (i = 0; i < num_of_opt_port; i++) {
410 		res = ps3av_cmd_audio_mute(1, &ps3av->opt_port[i], mute);
411 		if (res < 0)
412 			return -1;
413 	}
414 
415 	return 0;
416 }
417 
418 int ps3av_set_audio_mode(u32 ch, u32 fs, u32 word_bits, u32 format, u32 source)
419 {
420 	struct ps3av_pkt_avb_param avb_param;
421 	int i, num_of_audio, vid, res;
422 	struct ps3av_pkt_audio_mode audio_mode;
423 	u32 len = 0;
424 
425 	num_of_audio = ps3av->av_hw_conf.num_of_hdmi +
426 		       ps3av->av_hw_conf.num_of_avmulti +
427 		       ps3av->av_hw_conf.num_of_spdif;
428 
429 	avb_param.num_of_video_pkt = 0;
430 	avb_param.num_of_audio_pkt = PS3AV_AVB_NUM_AUDIO;	/* always 0 */
431 	avb_param.num_of_av_video_pkt = 0;
432 	avb_param.num_of_av_audio_pkt = ps3av->av_hw_conf.num_of_hdmi;
433 
434 	vid = video_mode_table[ps3av->ps3av_mode].vid;
435 
436 	/* audio mute */
437 	ps3av_set_audio_mute(PS3AV_CMD_MUTE_ON);
438 
439 	/* audio inactive */
440 	res = ps3av_cmd_audio_active(0, ps3av->audio_port);
441 	if (res < 0)
442 		dev_dbg(&ps3av->dev->core,
443 			"ps3av_cmd_audio_active OFF failed\n");
444 
445 	/* audio_pkt */
446 	for (i = 0; i < num_of_audio; i++) {
447 		ps3av_cmd_set_audio_mode(&audio_mode, ps3av->av_port[i], ch,
448 					 fs, word_bits, format, source);
449 		if (i < ps3av->av_hw_conf.num_of_hdmi) {
450 			/* hdmi only */
451 			len += ps3av_cmd_set_av_audio_param(&avb_param.buf[len],
452 							    ps3av->av_port[i],
453 							    &audio_mode, vid);
454 		}
455 		/* audio_mode pkt should be sent separately */
456 		res = ps3av_cmd_audio_mode(&audio_mode);
457 		if (res < 0)
458 			dev_dbg(&ps3av->dev->core,
459 				"ps3av_cmd_audio_mode failed, port:%x\n", i);
460 	}
461 
462 	/* send command using avb pkt */
463 	len += offsetof(struct ps3av_pkt_avb_param, buf);
464 	res = ps3av_cmd_avb_param(&avb_param, len);
465 	if (res < 0)
466 		dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n");
467 
468 	/* audio mute */
469 	ps3av_set_audio_mute(PS3AV_CMD_MUTE_OFF);
470 
471 	/* audio active */
472 	res = ps3av_cmd_audio_active(1, ps3av->audio_port);
473 	if (res < 0)
474 		dev_dbg(&ps3av->dev->core,
475 			"ps3av_cmd_audio_active ON failed\n");
476 
477 	return 0;
478 }
479 EXPORT_SYMBOL_GPL(ps3av_set_audio_mode);
480 
481 static int ps3av_set_videomode(void)
482 {
483 	/* av video mute */
484 	ps3av_set_av_video_mute(PS3AV_CMD_MUTE_ON);
485 
486 	/* wake up ps3avd to do the actual video mode setting */
487 	schedule_work(&ps3av->work);
488 
489 	return 0;
490 }
491 
492 static void ps3av_set_videomode_packet(u32 id)
493 {
494 	struct ps3av_pkt_avb_param avb_param;
495 	unsigned int i;
496 	u32 len = 0, av_video_cs;
497 	const struct avset_video_mode *video_mode;
498 	int res;
499 
500 	video_mode = &video_mode_table[id & PS3AV_MODE_MASK];
501 
502 	avb_param.num_of_video_pkt = PS3AV_AVB_NUM_VIDEO; /* num of head */
503 	avb_param.num_of_audio_pkt = 0;
504 	avb_param.num_of_av_video_pkt = ps3av->av_hw_conf.num_of_hdmi +
505 					ps3av->av_hw_conf.num_of_avmulti;
506 	avb_param.num_of_av_audio_pkt = 0;
507 
508 	/* video_pkt */
509 	for (i = 0; i < avb_param.num_of_video_pkt; i++)
510 		len += ps3av_cmd_set_video_mode(&avb_param.buf[len],
511 						ps3av->head[i], video_mode->vid,
512 						video_mode->fmt, id);
513 	/* av_video_pkt */
514 	for (i = 0; i < avb_param.num_of_av_video_pkt; i++) {
515 		if (id & PS3AV_MODE_DVI || id & PS3AV_MODE_RGB)
516 			av_video_cs = RGB8;
517 		else
518 			av_video_cs = video_mode->cs;
519 #ifndef PS3AV_HDMI_YUV
520 		if (ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_0 ||
521 		    ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_1)
522 			av_video_cs = RGB8; /* use RGB for HDMI */
523 #endif
524 		len += ps3av_cmd_set_av_video_cs(&avb_param.buf[len],
525 						 ps3av->av_port[i],
526 						 video_mode->vid, av_video_cs,
527 						 video_mode->aspect, id);
528 	}
529 	/* send command using avb pkt */
530 	len += offsetof(struct ps3av_pkt_avb_param, buf);
531 	res = ps3av_cmd_avb_param(&avb_param, len);
532 	if (res == PS3AV_STATUS_NO_SYNC_HEAD)
533 		printk(KERN_WARNING
534 		       "%s: Command failed. Please try your request again.\n",
535 		       __func__);
536 	else if (res)
537 		dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n");
538 }
539 
540 static void ps3av_set_videomode_cont(u32 id, u32 old_id)
541 {
542 	static int vesa;
543 	int res;
544 
545 	/* video signal off */
546 	ps3av_set_video_disable_sig();
547 
548 	/*
549 	 * AV backend needs non-VESA mode setting at least one time
550 	 * when VESA mode is used.
551 	 */
552 	if (vesa == 0 && (id & PS3AV_MODE_MASK) >= PS3AV_MODE_WXGA) {
553 		/* vesa mode */
554 		ps3av_set_videomode_packet(PS3AV_MODE_480P);
555 	}
556 	vesa = 1;
557 
558 	/* Retail PS3 product doesn't support this */
559 	if (id & PS3AV_MODE_HDCP_OFF) {
560 		res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_HDCP_OFF);
561 		if (res == PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
562 			dev_dbg(&ps3av->dev->core, "Not supported\n");
563 		else if (res)
564 			dev_dbg(&ps3av->dev->core,
565 				"ps3av_cmd_av_hdmi_mode failed\n");
566 	} else if (old_id & PS3AV_MODE_HDCP_OFF) {
567 		res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_MODE_NORMAL);
568 		if (res < 0 && res != PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
569 			dev_dbg(&ps3av->dev->core,
570 				"ps3av_cmd_av_hdmi_mode failed\n");
571 	}
572 
573 	ps3av_set_videomode_packet(id);
574 
575 	msleep(1500);
576 	/* av video mute */
577 	ps3av_set_av_video_mute(PS3AV_CMD_MUTE_OFF);
578 }
579 
580 static void ps3avd(struct work_struct *work)
581 {
582 	ps3av_set_videomode_cont(ps3av->ps3av_mode, ps3av->ps3av_mode_old);
583 	complete(&ps3av->done);
584 }
585 
586 #define SHIFT_50	0
587 #define SHIFT_60	4
588 #define SHIFT_VESA	8
589 
590 static const struct {
591 	unsigned mask:19;
592 	unsigned id:4;
593 } ps3av_preferred_modes[] = {
594 	{ PS3AV_RESBIT_WUXGA      << SHIFT_VESA, PS3AV_MODE_WUXGA   },
595 	{ PS3AV_RESBIT_1920x1080P << SHIFT_60,   PS3AV_MODE_1080P60 },
596 	{ PS3AV_RESBIT_1920x1080P << SHIFT_50,   PS3AV_MODE_1080P50 },
597 	{ PS3AV_RESBIT_1920x1080I << SHIFT_60,   PS3AV_MODE_1080I60 },
598 	{ PS3AV_RESBIT_1920x1080I << SHIFT_50,   PS3AV_MODE_1080I50 },
599 	{ PS3AV_RESBIT_SXGA       << SHIFT_VESA, PS3AV_MODE_SXGA    },
600 	{ PS3AV_RESBIT_WXGA       << SHIFT_VESA, PS3AV_MODE_WXGA    },
601 	{ PS3AV_RESBIT_1280x720P  << SHIFT_60,   PS3AV_MODE_720P60  },
602 	{ PS3AV_RESBIT_1280x720P  << SHIFT_50,   PS3AV_MODE_720P50  },
603 	{ PS3AV_RESBIT_720x480P   << SHIFT_60,   PS3AV_MODE_480P    },
604 	{ PS3AV_RESBIT_720x576P   << SHIFT_50,   PS3AV_MODE_576P    },
605 };
606 
607 static enum ps3av_mode_num ps3av_resbit2id(u32 res_50, u32 res_60,
608 					   u32 res_vesa)
609 {
610 	unsigned int i;
611 	u32 res_all;
612 
613 	/*
614 	 * We mask off the resolution bits we care about and combine the
615 	 * results in one bitfield, so make sure there's no overlap
616 	 */
617 	BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
618 		     PS3AV_RES_MASK_60 << SHIFT_60);
619 	BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
620 		     PS3AV_RES_MASK_VESA << SHIFT_VESA);
621 	BUILD_BUG_ON(PS3AV_RES_MASK_60 << SHIFT_60 &
622 		     PS3AV_RES_MASK_VESA << SHIFT_VESA);
623 	res_all = (res_50 & PS3AV_RES_MASK_50) << SHIFT_50 |
624 		  (res_60 & PS3AV_RES_MASK_60) << SHIFT_60 |
625 		  (res_vesa & PS3AV_RES_MASK_VESA) << SHIFT_VESA;
626 
627 	if (!res_all)
628 		return 0;
629 
630 	for (i = 0; i < ARRAY_SIZE(ps3av_preferred_modes); i++)
631 		if (res_all & ps3av_preferred_modes[i].mask)
632 			return ps3av_preferred_modes[i].id;
633 
634 	return 0;
635 }
636 
637 static enum ps3av_mode_num ps3av_hdmi_get_id(struct ps3av_info_monitor *info)
638 {
639 	enum ps3av_mode_num id;
640 
641 	if (safe_mode)
642 		return PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
643 
644 	/* check native resolution */
645 	id = ps3av_resbit2id(info->res_50.native, info->res_60.native,
646 			     info->res_vesa.native);
647 	if (id) {
648 		pr_debug("%s: Using native mode %d\n", __func__, id);
649 		return id;
650 	}
651 
652 	/* check supported resolutions */
653 	id = ps3av_resbit2id(info->res_50.res_bits, info->res_60.res_bits,
654 			     info->res_vesa.res_bits);
655 	if (id) {
656 		pr_debug("%s: Using supported mode %d\n", __func__, id);
657 		return id;
658 	}
659 
660 	if (ps3av->region & PS3AV_REGION_60)
661 		id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
662 	else
663 		id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_50;
664 	pr_debug("%s: Using default mode %d\n", __func__, id);
665 	return id;
666 }
667 
668 static void ps3av_monitor_info_dump(
669 	const struct ps3av_pkt_av_get_monitor_info *monitor_info)
670 {
671 	const struct ps3av_info_monitor *info = &monitor_info->info;
672 	const struct ps3av_info_audio *audio = info->audio;
673 	char id[sizeof(info->monitor_id)*3+1];
674 	int i;
675 
676 	pr_debug("Monitor Info: size %u\n", monitor_info->send_hdr.size);
677 
678 	pr_debug("avport: %02x\n", info->avport);
679 	for (i = 0; i < sizeof(info->monitor_id); i++)
680 		sprintf(&id[i*3], " %02x", info->monitor_id[i]);
681 	pr_debug("monitor_id: %s\n", id);
682 	pr_debug("monitor_type: %02x\n", info->monitor_type);
683 	pr_debug("monitor_name: %.*s\n", (int)sizeof(info->monitor_name),
684 		 info->monitor_name);
685 
686 	/* resolution */
687 	pr_debug("resolution_60: bits: %08x native: %08x\n",
688 		 info->res_60.res_bits, info->res_60.native);
689 	pr_debug("resolution_50: bits: %08x native: %08x\n",
690 		 info->res_50.res_bits, info->res_50.native);
691 	pr_debug("resolution_other: bits: %08x native: %08x\n",
692 		 info->res_other.res_bits, info->res_other.native);
693 	pr_debug("resolution_vesa: bits: %08x native: %08x\n",
694 		 info->res_vesa.res_bits, info->res_vesa.native);
695 
696 	/* color space */
697 	pr_debug("color space    rgb: %02x\n", info->cs.rgb);
698 	pr_debug("color space yuv444: %02x\n", info->cs.yuv444);
699 	pr_debug("color space yuv422: %02x\n", info->cs.yuv422);
700 
701 	/* color info */
702 	pr_debug("color info   red: X %04x Y %04x\n", info->color.red_x,
703 		 info->color.red_y);
704 	pr_debug("color info green: X %04x Y %04x\n", info->color.green_x,
705 		 info->color.green_y);
706 	pr_debug("color info  blue: X %04x Y %04x\n", info->color.blue_x,
707 		 info->color.blue_y);
708 	pr_debug("color info white: X %04x Y %04x\n", info->color.white_x,
709 		 info->color.white_y);
710 	pr_debug("color info gamma:  %08x\n", info->color.gamma);
711 
712 	/* other info */
713 	pr_debug("supported_AI: %02x\n", info->supported_ai);
714 	pr_debug("speaker_info: %02x\n", info->speaker_info);
715 	pr_debug("num of audio: %02x\n", info->num_of_audio_block);
716 
717 	/* audio block */
718 	for (i = 0; i < info->num_of_audio_block; i++) {
719 		pr_debug(
720 			"audio[%d] type: %02x max_ch: %02x fs: %02x sbit: %02x\n",
721 			 i, audio->type, audio->max_num_of_ch, audio->fs,
722 			 audio->sbit);
723 		audio++;
724 	}
725 }
726 
727 static const struct ps3av_monitor_quirk {
728 	const char *monitor_name;
729 	u32 clear_60;
730 } ps3av_monitor_quirks[] = {
731 	{
732 		.monitor_name	= "DELL 2007WFP",
733 		.clear_60	= PS3AV_RESBIT_1920x1080I
734 	}, {
735 		.monitor_name	= "L226WTQ",
736 		.clear_60	= PS3AV_RESBIT_1920x1080I |
737 				  PS3AV_RESBIT_1920x1080P
738 	}, {
739 		.monitor_name	= "SyncMaster",
740 		.clear_60	= PS3AV_RESBIT_1920x1080I
741 	}
742 };
743 
744 static void ps3av_fixup_monitor_info(struct ps3av_info_monitor *info)
745 {
746 	unsigned int i;
747 	const struct ps3av_monitor_quirk *quirk;
748 
749 	for (i = 0; i < ARRAY_SIZE(ps3av_monitor_quirks); i++) {
750 		quirk = &ps3av_monitor_quirks[i];
751 		if (!strncmp(info->monitor_name, quirk->monitor_name,
752 			     sizeof(info->monitor_name))) {
753 			pr_info("%s: Applying quirk for %s\n", __func__,
754 				quirk->monitor_name);
755 			info->res_60.res_bits &= ~quirk->clear_60;
756 			info->res_60.native &= ~quirk->clear_60;
757 			break;
758 		}
759 	}
760 }
761 
762 static int ps3av_auto_videomode(struct ps3av_pkt_av_get_hw_conf *av_hw_conf)
763 {
764 	int i, res, id = 0, dvi = 0, rgb = 0;
765 	struct ps3av_pkt_av_get_monitor_info monitor_info;
766 	struct ps3av_info_monitor *info;
767 
768 	/* get mode id for hdmi */
769 	for (i = 0; i < av_hw_conf->num_of_hdmi && !id; i++) {
770 		res = ps3av_cmd_video_get_monitor_info(&monitor_info,
771 						       PS3AV_CMD_AVPORT_HDMI_0 +
772 						       i);
773 		if (res < 0)
774 			return -1;
775 
776 		ps3av_monitor_info_dump(&monitor_info);
777 
778 		info = &monitor_info.info;
779 		ps3av_fixup_monitor_info(info);
780 
781 		switch (info->monitor_type) {
782 		case PS3AV_MONITOR_TYPE_DVI:
783 			dvi = PS3AV_MODE_DVI;
784 			/* fall through */
785 		case PS3AV_MONITOR_TYPE_HDMI:
786 			id = ps3av_hdmi_get_id(info);
787 			break;
788 		}
789 	}
790 
791 	if (!id) {
792 		/* no HDMI interface or HDMI is off */
793 		if (ps3av->region & PS3AV_REGION_60)
794 			id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_60;
795 		else
796 			id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_50;
797 		if (ps3av->region & PS3AV_REGION_RGB)
798 			rgb = PS3AV_MODE_RGB;
799 		pr_debug("%s: Using avmulti mode %d\n", __func__, id);
800 	}
801 
802 	return id | dvi | rgb;
803 }
804 
805 static int ps3av_get_hw_conf(struct ps3av *ps3av)
806 {
807 	int i, j, k, res;
808 	const struct ps3av_pkt_av_get_hw_conf *hw_conf;
809 
810 	/* get av_hw_conf */
811 	res = ps3av_cmd_av_get_hw_conf(&ps3av->av_hw_conf);
812 	if (res < 0)
813 		return -1;
814 
815 	hw_conf = &ps3av->av_hw_conf;
816 	pr_debug("av_h_conf: num of hdmi: %u\n", hw_conf->num_of_hdmi);
817 	pr_debug("av_h_conf: num of avmulti: %u\n", hw_conf->num_of_avmulti);
818 	pr_debug("av_h_conf: num of spdif: %u\n", hw_conf->num_of_spdif);
819 
820 	for (i = 0; i < PS3AV_HEAD_MAX; i++)
821 		ps3av->head[i] = PS3AV_CMD_VIDEO_HEAD_A + i;
822 	for (i = 0; i < PS3AV_OPT_PORT_MAX; i++)
823 		ps3av->opt_port[i] = PS3AV_CMD_AVPORT_SPDIF_0 + i;
824 	for (i = 0; i < hw_conf->num_of_hdmi; i++)
825 		ps3av->av_port[i] = PS3AV_CMD_AVPORT_HDMI_0 + i;
826 	for (j = 0; j < hw_conf->num_of_avmulti; j++)
827 		ps3av->av_port[i + j] = PS3AV_CMD_AVPORT_AVMULTI_0 + j;
828 	for (k = 0; k < hw_conf->num_of_spdif; k++)
829 		ps3av->av_port[i + j + k] = PS3AV_CMD_AVPORT_SPDIF_0 + k;
830 
831 	/* set all audio port */
832 	ps3av->audio_port = PS3AV_CMD_AUDIO_PORT_HDMI_0
833 	    | PS3AV_CMD_AUDIO_PORT_HDMI_1
834 	    | PS3AV_CMD_AUDIO_PORT_AVMULTI_0
835 	    | PS3AV_CMD_AUDIO_PORT_SPDIF_0 | PS3AV_CMD_AUDIO_PORT_SPDIF_1;
836 
837 	return 0;
838 }
839 
840 /* set mode using id */
841 int ps3av_set_video_mode(int id)
842 {
843 	int size;
844 	u32 option;
845 
846 	size = ARRAY_SIZE(video_mode_table);
847 	if ((id & PS3AV_MODE_MASK) > size - 1 || id < 0) {
848 		dev_dbg(&ps3av->dev->core, "%s: error id :%d\n", __func__, id);
849 		return -EINVAL;
850 	}
851 
852 	/* auto mode */
853 	option = id & ~PS3AV_MODE_MASK;
854 	if ((id & PS3AV_MODE_MASK) == PS3AV_MODE_AUTO) {
855 		id = ps3av_auto_videomode(&ps3av->av_hw_conf);
856 		if (id < 1) {
857 			printk(KERN_ERR "%s: invalid id :%d\n", __func__, id);
858 			return -EINVAL;
859 		}
860 		id |= option;
861 	}
862 
863 	/* set videomode */
864 	wait_for_completion(&ps3av->done);
865 	ps3av->ps3av_mode_old = ps3av->ps3av_mode;
866 	ps3av->ps3av_mode = id;
867 	if (ps3av_set_videomode())
868 		ps3av->ps3av_mode = ps3av->ps3av_mode_old;
869 
870 	return 0;
871 }
872 EXPORT_SYMBOL_GPL(ps3av_set_video_mode);
873 
874 int ps3av_get_auto_mode(void)
875 {
876 	return ps3av_auto_videomode(&ps3av->av_hw_conf);
877 }
878 EXPORT_SYMBOL_GPL(ps3av_get_auto_mode);
879 
880 int ps3av_get_mode(void)
881 {
882 	return ps3av ? ps3av->ps3av_mode : 0;
883 }
884 EXPORT_SYMBOL_GPL(ps3av_get_mode);
885 
886 /* get resolution by video_mode */
887 int ps3av_video_mode2res(u32 id, u32 *xres, u32 *yres)
888 {
889 	int size;
890 
891 	id = id & PS3AV_MODE_MASK;
892 	size = ARRAY_SIZE(video_mode_table);
893 	if (id > size - 1 || id < 0) {
894 		printk(KERN_ERR "%s: invalid mode %d\n", __func__, id);
895 		return -EINVAL;
896 	}
897 	*xres = video_mode_table[id].x;
898 	*yres = video_mode_table[id].y;
899 	return 0;
900 }
901 EXPORT_SYMBOL_GPL(ps3av_video_mode2res);
902 
903 /* mute */
904 int ps3av_video_mute(int mute)
905 {
906 	return ps3av_set_av_video_mute(mute ? PS3AV_CMD_MUTE_ON
907 					    : PS3AV_CMD_MUTE_OFF);
908 }
909 EXPORT_SYMBOL_GPL(ps3av_video_mute);
910 
911 /* mute analog output only */
912 int ps3av_audio_mute_analog(int mute)
913 {
914 	int i, res;
915 
916 	for (i = 0; i < ps3av->av_hw_conf.num_of_avmulti; i++) {
917 		res = ps3av_cmd_av_audio_mute(1,
918 			&ps3av->av_port[i + ps3av->av_hw_conf.num_of_hdmi],
919 			mute);
920 		if (res < 0)
921 			return -1;
922 	}
923 	return 0;
924 }
925 EXPORT_SYMBOL_GPL(ps3av_audio_mute_analog);
926 
927 int ps3av_audio_mute(int mute)
928 {
929 	return ps3av_set_audio_mute(mute ? PS3AV_CMD_MUTE_ON
930 					 : PS3AV_CMD_MUTE_OFF);
931 }
932 EXPORT_SYMBOL_GPL(ps3av_audio_mute);
933 
934 static int ps3av_probe(struct ps3_system_bus_device *dev)
935 {
936 	int res;
937 	int id;
938 
939 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
940 	dev_dbg(&dev->core, "  timeout=%d\n", timeout);
941 
942 	if (ps3av) {
943 		dev_err(&dev->core, "Only one ps3av device is supported\n");
944 		return -EBUSY;
945 	}
946 
947 	ps3av = kzalloc(sizeof(*ps3av), GFP_KERNEL);
948 	if (!ps3av)
949 		return -ENOMEM;
950 
951 	mutex_init(&ps3av->mutex);
952 	ps3av->ps3av_mode = PS3AV_MODE_AUTO;
953 	ps3av->dev = dev;
954 
955 	INIT_WORK(&ps3av->work, ps3avd);
956 	init_completion(&ps3av->done);
957 	complete(&ps3av->done);
958 
959 	switch (ps3_os_area_get_av_multi_out()) {
960 	case PS3_PARAM_AV_MULTI_OUT_NTSC:
961 		ps3av->region = PS3AV_REGION_60;
962 		break;
963 	case PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR:
964 	case PS3_PARAM_AV_MULTI_OUT_SECAM:
965 		ps3av->region = PS3AV_REGION_50;
966 		break;
967 	case PS3_PARAM_AV_MULTI_OUT_PAL_RGB:
968 		ps3av->region = PS3AV_REGION_50 | PS3AV_REGION_RGB;
969 		break;
970 	default:
971 		ps3av->region = PS3AV_REGION_60;
972 		break;
973 	}
974 
975 	/* init avsetting modules */
976 	res = ps3av_cmd_init();
977 	if (res < 0)
978 		printk(KERN_ERR "%s: ps3av_cmd_init failed %d\n", __func__,
979 		       res);
980 
981 	ps3av_get_hw_conf(ps3av);
982 
983 #ifdef CONFIG_FB
984 	if (fb_mode_option && !strcmp(fb_mode_option, "safe"))
985 		safe_mode = 1;
986 #endif /* CONFIG_FB */
987 	id = ps3av_auto_videomode(&ps3av->av_hw_conf);
988 	if (id < 0) {
989 		printk(KERN_ERR "%s: invalid id :%d\n", __func__, id);
990 		res = -EINVAL;
991 		goto fail;
992 	}
993 
994 	safe_mode = 0;
995 
996 	mutex_lock(&ps3av->mutex);
997 	ps3av->ps3av_mode = id;
998 	mutex_unlock(&ps3av->mutex);
999 
1000 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1001 
1002 	return 0;
1003 
1004 fail:
1005 	kfree(ps3av);
1006 	ps3av = NULL;
1007 	return res;
1008 }
1009 
1010 static int ps3av_remove(struct ps3_system_bus_device *dev)
1011 {
1012 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1013 	if (ps3av) {
1014 		ps3av_cmd_fin();
1015 		flush_work(&ps3av->work);
1016 		kfree(ps3av);
1017 		ps3av = NULL;
1018 	}
1019 
1020 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1021 	return 0;
1022 }
1023 
1024 static void ps3av_shutdown(struct ps3_system_bus_device *dev)
1025 {
1026 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1027 	ps3av_remove(dev);
1028 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1029 }
1030 
1031 static struct ps3_vuart_port_driver ps3av_driver = {
1032 	.core.match_id = PS3_MATCH_ID_AV_SETTINGS,
1033 	.core.core.name = "ps3_av",
1034 	.probe = ps3av_probe,
1035 	.remove = ps3av_remove,
1036 	.shutdown = ps3av_shutdown,
1037 };
1038 
1039 static int __init ps3av_module_init(void)
1040 {
1041 	int error;
1042 
1043 	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
1044 		return -ENODEV;
1045 
1046 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
1047 
1048 	error = ps3_vuart_port_driver_register(&ps3av_driver);
1049 	if (error) {
1050 		printk(KERN_ERR
1051 		       "%s: ps3_vuart_port_driver_register failed %d\n",
1052 		       __func__, error);
1053 		return error;
1054 	}
1055 
1056 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1057 	return error;
1058 }
1059 
1060 static void __exit ps3av_module_exit(void)
1061 {
1062 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
1063 	ps3_vuart_port_driver_unregister(&ps3av_driver);
1064 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1065 }
1066 
1067 subsys_initcall(ps3av_module_init);
1068 module_exit(ps3av_module_exit);
1069 
1070 MODULE_LICENSE("GPL v2");
1071 MODULE_DESCRIPTION("PS3 AV Settings Driver");
1072 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1073 MODULE_ALIAS(PS3_MODULE_ALIAS_AV_SETTINGS);
1074