xref: /openbmc/linux/drivers/ps3/ps3av.c (revision 9aa2cba7)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  PS3 AV backend support.
4  *
5  *  Copyright (C) 2007 Sony Computer Entertainment Inc.
6  *  Copyright 2007 Sony Corp.
7  */
8 
9 #include <linux/kernel.h>
10 #include <linux/module.h>
11 #include <linux/delay.h>
12 #include <linux/notifier.h>
13 #include <linux/ioctl.h>
14 #include <linux/slab.h>
15 
16 #include <asm/firmware.h>
17 #include <asm/ps3av.h>
18 #include <asm/ps3.h>
19 
20 #include <video/cmdline.h>
21 
22 #include "vuart.h"
23 
24 #define BUFSIZE          4096	/* vuart buf size */
25 #define PS3AV_BUF_SIZE   512	/* max packet size */
26 
27 static int safe_mode;
28 
29 static int timeout = 5000;	/* in msec ( 5 sec ) */
30 module_param(timeout, int, 0644);
31 
32 static struct ps3av {
33 	struct mutex mutex;
34 	struct work_struct work;
35 	struct completion done;
36 	int open_count;
37 	struct ps3_system_bus_device *dev;
38 
39 	int region;
40 	struct ps3av_pkt_av_get_hw_conf av_hw_conf;
41 	u32 av_port[PS3AV_AV_PORT_MAX + PS3AV_OPT_PORT_MAX];
42 	u32 opt_port[PS3AV_OPT_PORT_MAX];
43 	u32 head[PS3AV_HEAD_MAX];
44 	u32 audio_port;
45 	int ps3av_mode;
46 	int ps3av_mode_old;
47 	union {
48 		struct ps3av_reply_hdr reply_hdr;
49 		u8 raw[PS3AV_BUF_SIZE];
50 	} recv_buf;
51 } *ps3av;
52 
53 /* color space */
54 #define YUV444 PS3AV_CMD_VIDEO_CS_YUV444_8
55 #define RGB8   PS3AV_CMD_VIDEO_CS_RGB_8
56 /* format */
57 #define XRGB   PS3AV_CMD_VIDEO_FMT_X8R8G8B8
58 /* aspect */
59 #define A_N    PS3AV_CMD_AV_ASPECT_4_3
60 #define A_W    PS3AV_CMD_AV_ASPECT_16_9
61 static const struct avset_video_mode {
62 	u32 cs;
63 	u32 fmt;
64 	u32 vid;
65 	u32 aspect;
66 	u32 x;
67 	u32 y;
68 } video_mode_table[] = {
69 	{     0, }, /* auto */
70 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480I,       A_N,  720,  480},
71 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480P,       A_N,  720,  480},
72 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_60HZ,  A_W, 1280,  720},
73 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_60HZ, A_W, 1920, 1080},
74 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_60HZ, A_W, 1920, 1080},
75 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576I,       A_N,  720,  576},
76 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576P,       A_N,  720,  576},
77 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_50HZ,  A_W, 1280,  720},
78 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_50HZ, A_W, 1920, 1080},
79 	{YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_50HZ, A_W, 1920, 1080},
80 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WXGA,       A_W, 1280,  768},
81 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_SXGA,       A_N, 1280, 1024},
82 	{  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WUXGA,      A_W, 1920, 1200},
83 };
84 
85 /* supported CIDs */
86 static u32 cmd_table[] = {
87 	/* init */
88 	PS3AV_CID_AV_INIT,
89 	PS3AV_CID_AV_FIN,
90 	PS3AV_CID_VIDEO_INIT,
91 	PS3AV_CID_AUDIO_INIT,
92 
93 	/* set */
94 	PS3AV_CID_AV_ENABLE_EVENT,
95 	PS3AV_CID_AV_DISABLE_EVENT,
96 
97 	PS3AV_CID_AV_VIDEO_CS,
98 	PS3AV_CID_AV_VIDEO_MUTE,
99 	PS3AV_CID_AV_VIDEO_DISABLE_SIG,
100 	PS3AV_CID_AV_AUDIO_PARAM,
101 	PS3AV_CID_AV_AUDIO_MUTE,
102 	PS3AV_CID_AV_HDMI_MODE,
103 	PS3AV_CID_AV_TV_MUTE,
104 
105 	PS3AV_CID_VIDEO_MODE,
106 	PS3AV_CID_VIDEO_FORMAT,
107 	PS3AV_CID_VIDEO_PITCH,
108 
109 	PS3AV_CID_AUDIO_MODE,
110 	PS3AV_CID_AUDIO_MUTE,
111 	PS3AV_CID_AUDIO_ACTIVE,
112 	PS3AV_CID_AUDIO_INACTIVE,
113 	PS3AV_CID_AVB_PARAM,
114 
115 	/* get */
116 	PS3AV_CID_AV_GET_HW_CONF,
117 	PS3AV_CID_AV_GET_MONITOR_INFO,
118 
119 	/* event */
120 	PS3AV_CID_EVENT_UNPLUGGED,
121 	PS3AV_CID_EVENT_PLUGGED,
122 	PS3AV_CID_EVENT_HDCP_DONE,
123 	PS3AV_CID_EVENT_HDCP_FAIL,
124 	PS3AV_CID_EVENT_HDCP_AUTH,
125 	PS3AV_CID_EVENT_HDCP_ERROR,
126 
127 	0
128 };
129 
130 #define PS3AV_EVENT_CMD_MASK           0x10000000
131 #define PS3AV_EVENT_ID_MASK            0x0000ffff
132 #define PS3AV_CID_MASK                 0xffffffff
133 #define PS3AV_REPLY_BIT                0x80000000
134 
135 #define ps3av_event_get_port_id(cid)   ((cid >> 16) & 0xff)
136 
137 static u32 *ps3av_search_cmd_table(u32 cid, u32 mask)
138 {
139 	u32 *table;
140 	int i;
141 
142 	table = cmd_table;
143 	for (i = 0;; table++, i++) {
144 		if ((*table & mask) == (cid & mask))
145 			break;
146 		if (*table == 0)
147 			return NULL;
148 	}
149 	return table;
150 }
151 
152 static int ps3av_parse_event_packet(const struct ps3av_reply_hdr *hdr)
153 {
154 	u32 *table;
155 
156 	if (hdr->cid & PS3AV_EVENT_CMD_MASK) {
157 		table = ps3av_search_cmd_table(hdr->cid, PS3AV_EVENT_CMD_MASK);
158 		if (table)
159 			dev_dbg(&ps3av->dev->core,
160 				"recv event packet cid:%08x port:0x%x size:%d\n",
161 				hdr->cid, ps3av_event_get_port_id(hdr->cid),
162 				hdr->size);
163 		else
164 			printk(KERN_ERR
165 			       "%s: failed event packet, cid:%08x size:%d\n",
166 			       __func__, hdr->cid, hdr->size);
167 		return 1;	/* receive event packet */
168 	}
169 	return 0;
170 }
171 
172 
173 #define POLLING_INTERVAL  25	/* in msec */
174 
175 static int ps3av_vuart_write(struct ps3_system_bus_device *dev,
176 			     const void *buf, unsigned long size)
177 {
178 	int error;
179 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
180 	error = ps3_vuart_write(dev, buf, size);
181 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
182 	return error ? error : size;
183 }
184 
185 static int ps3av_vuart_read(struct ps3_system_bus_device *dev, void *buf,
186 			    unsigned long size, int timeout)
187 {
188 	int error;
189 	int loopcnt = 0;
190 
191 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
192 	timeout = (timeout + POLLING_INTERVAL - 1) / POLLING_INTERVAL;
193 	while (loopcnt++ <= timeout) {
194 		error = ps3_vuart_read(dev, buf, size);
195 		if (!error)
196 			return size;
197 		if (error != -EAGAIN) {
198 			printk(KERN_ERR "%s: ps3_vuart_read failed %d\n",
199 			       __func__, error);
200 			return error;
201 		}
202 		msleep(POLLING_INTERVAL);
203 	}
204 	return -EWOULDBLOCK;
205 }
206 
207 static int ps3av_send_cmd_pkt(const struct ps3av_send_hdr *send_buf,
208 			      struct ps3av_reply_hdr *recv_buf, int write_len,
209 			      int read_len)
210 {
211 	int res;
212 	u32 cmd;
213 	int event;
214 
215 	if (!ps3av)
216 		return -ENODEV;
217 
218 	/* send pkt */
219 	res = ps3av_vuart_write(ps3av->dev, send_buf, write_len);
220 	if (res < 0) {
221 		dev_warn(&ps3av->dev->core,
222 			"%s:%d: ps3av_vuart_write() failed: %s\n", __func__,
223 			__LINE__, ps3_result(res));
224 		return res;
225 	}
226 
227 	/* recv pkt */
228 	cmd = send_buf->cid;
229 	do {
230 		/* read header */
231 		res = ps3av_vuart_read(ps3av->dev, recv_buf, PS3AV_HDR_SIZE,
232 				       timeout);
233 		if (res != PS3AV_HDR_SIZE) {
234 			dev_warn(&ps3av->dev->core,
235 				"%s:%d: ps3av_vuart_read() failed: %s\n", __func__,
236 				__LINE__, ps3_result(res));
237 			return res;
238 		}
239 
240 		/* read body */
241 		res = ps3av_vuart_read(ps3av->dev, &recv_buf->cid,
242 				       recv_buf->size, timeout);
243 		if (res < 0) {
244 			dev_warn(&ps3av->dev->core,
245 				"%s:%d: ps3av_vuart_read() failed: %s\n", __func__,
246 				__LINE__, ps3_result(res));
247 			return res;
248 		}
249 		res += PS3AV_HDR_SIZE;	/* total len */
250 		event = ps3av_parse_event_packet(recv_buf);
251 		/* ret > 0 event packet */
252 	} while (event);
253 
254 	if ((cmd | PS3AV_REPLY_BIT) != recv_buf->cid) {
255 		dev_warn(&ps3av->dev->core, "%s:%d: reply err: %x\n", __func__,
256 			__LINE__, recv_buf->cid);
257 		return -EINVAL;
258 	}
259 
260 	return 0;
261 }
262 
263 static int ps3av_process_reply_packet(struct ps3av_send_hdr *cmd_buf,
264 				      const struct ps3av_reply_hdr *recv_buf,
265 				      int user_buf_size)
266 {
267 	int return_len;
268 
269 	if (recv_buf->version != PS3AV_VERSION) {
270 		dev_dbg(&ps3av->dev->core, "reply_packet invalid version:%x\n",
271 			recv_buf->version);
272 		return -EFAULT;
273 	}
274 	return_len = recv_buf->size + PS3AV_HDR_SIZE;
275 	if (return_len > user_buf_size)
276 		return_len = user_buf_size;
277 	memcpy(cmd_buf, recv_buf, return_len);
278 	return 0;		/* success */
279 }
280 
281 void ps3av_set_hdr(u32 cid, u16 size, struct ps3av_send_hdr *hdr)
282 {
283 	hdr->version = PS3AV_VERSION;
284 	hdr->size = size - PS3AV_HDR_SIZE;
285 	hdr->cid = cid;
286 }
287 
288 int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size,
289 		 struct ps3av_send_hdr *buf)
290 {
291 	int res = 0;
292 	u32 *table;
293 
294 	BUG_ON(!ps3av);
295 
296 	mutex_lock(&ps3av->mutex);
297 
298 	table = ps3av_search_cmd_table(cid, PS3AV_CID_MASK);
299 	BUG_ON(!table);
300 	BUG_ON(send_len < PS3AV_HDR_SIZE);
301 	BUG_ON(usr_buf_size < send_len);
302 	BUG_ON(usr_buf_size > PS3AV_BUF_SIZE);
303 
304 	/* create header */
305 	ps3av_set_hdr(cid, send_len, buf);
306 
307 	/* send packet via vuart */
308 	res = ps3av_send_cmd_pkt(buf, &ps3av->recv_buf.reply_hdr, send_len,
309 				 usr_buf_size);
310 	if (res < 0) {
311 		printk(KERN_ERR
312 		       "%s: ps3av_send_cmd_pkt() failed (result=%d)\n",
313 		       __func__, res);
314 		goto err;
315 	}
316 
317 	/* process reply packet */
318 	res = ps3av_process_reply_packet(buf, &ps3av->recv_buf.reply_hdr,
319 					 usr_buf_size);
320 	if (res < 0) {
321 		printk(KERN_ERR "%s: put_return_status() failed (result=%d)\n",
322 		       __func__, res);
323 		goto err;
324 	}
325 
326 	mutex_unlock(&ps3av->mutex);
327 	return 0;
328 
329 err:
330 	mutex_unlock(&ps3av->mutex);
331 	printk(KERN_ERR "%s: failed cid:%x res:%d\n", __func__, cid, res);
332 	return res;
333 }
334 
335 static int ps3av_set_av_video_mute(u32 mute)
336 {
337 	int i, num_of_av_port, res;
338 
339 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
340 			 ps3av->av_hw_conf.num_of_avmulti;
341 	/* video mute on */
342 	for (i = 0; i < num_of_av_port; i++) {
343 		res = ps3av_cmd_av_video_mute(1, &ps3av->av_port[i], mute);
344 		if (res < 0)
345 			return -1;
346 	}
347 
348 	return 0;
349 }
350 
351 static int ps3av_set_video_disable_sig(void)
352 {
353 	int i, num_of_hdmi_port, num_of_av_port, res;
354 
355 	num_of_hdmi_port = ps3av->av_hw_conf.num_of_hdmi;
356 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
357 			 ps3av->av_hw_conf.num_of_avmulti;
358 
359 	/* tv mute */
360 	for (i = 0; i < num_of_hdmi_port; i++) {
361 		res = ps3av_cmd_av_tv_mute(ps3av->av_port[i],
362 					   PS3AV_CMD_MUTE_ON);
363 		if (res < 0)
364 			return -1;
365 	}
366 	msleep(100);
367 
368 	/* video mute on */
369 	for (i = 0; i < num_of_av_port; i++) {
370 		res = ps3av_cmd_av_video_disable_sig(ps3av->av_port[i]);
371 		if (res < 0)
372 			return -1;
373 		if (i < num_of_hdmi_port) {
374 			res = ps3av_cmd_av_tv_mute(ps3av->av_port[i],
375 						   PS3AV_CMD_MUTE_OFF);
376 			if (res < 0)
377 				return -1;
378 		}
379 	}
380 	msleep(300);
381 
382 	return 0;
383 }
384 
385 static int ps3av_set_audio_mute(u32 mute)
386 {
387 	int i, num_of_av_port, num_of_opt_port, res;
388 
389 	num_of_av_port = ps3av->av_hw_conf.num_of_hdmi +
390 			 ps3av->av_hw_conf.num_of_avmulti;
391 	num_of_opt_port = ps3av->av_hw_conf.num_of_spdif;
392 
393 	for (i = 0; i < num_of_av_port; i++) {
394 		res = ps3av_cmd_av_audio_mute(1, &ps3av->av_port[i], mute);
395 		if (res < 0)
396 			return -1;
397 	}
398 	for (i = 0; i < num_of_opt_port; i++) {
399 		res = ps3av_cmd_audio_mute(1, &ps3av->opt_port[i], mute);
400 		if (res < 0)
401 			return -1;
402 	}
403 
404 	return 0;
405 }
406 
407 int ps3av_set_audio_mode(u32 ch, u32 fs, u32 word_bits, u32 format, u32 source)
408 {
409 	struct ps3av_pkt_avb_param avb_param;
410 	int i, num_of_audio, vid, res;
411 	struct ps3av_pkt_audio_mode audio_mode;
412 	u32 len = 0;
413 
414 	num_of_audio = ps3av->av_hw_conf.num_of_hdmi +
415 		       ps3av->av_hw_conf.num_of_avmulti +
416 		       ps3av->av_hw_conf.num_of_spdif;
417 
418 	avb_param.num_of_video_pkt = 0;
419 	avb_param.num_of_audio_pkt = PS3AV_AVB_NUM_AUDIO;	/* always 0 */
420 	avb_param.num_of_av_video_pkt = 0;
421 	avb_param.num_of_av_audio_pkt = ps3av->av_hw_conf.num_of_hdmi;
422 
423 	vid = video_mode_table[ps3av->ps3av_mode].vid;
424 
425 	/* audio mute */
426 	ps3av_set_audio_mute(PS3AV_CMD_MUTE_ON);
427 
428 	/* audio inactive */
429 	res = ps3av_cmd_audio_active(0, ps3av->audio_port);
430 	if (res < 0)
431 		dev_dbg(&ps3av->dev->core,
432 			"ps3av_cmd_audio_active OFF failed\n");
433 
434 	/* audio_pkt */
435 	for (i = 0; i < num_of_audio; i++) {
436 		ps3av_cmd_set_audio_mode(&audio_mode, ps3av->av_port[i], ch,
437 					 fs, word_bits, format, source);
438 		if (i < ps3av->av_hw_conf.num_of_hdmi) {
439 			/* hdmi only */
440 			len += ps3av_cmd_set_av_audio_param(&avb_param.buf[len],
441 							    ps3av->av_port[i],
442 							    &audio_mode, vid);
443 		}
444 		/* audio_mode pkt should be sent separately */
445 		res = ps3av_cmd_audio_mode(&audio_mode);
446 		if (res < 0)
447 			dev_dbg(&ps3av->dev->core,
448 				"ps3av_cmd_audio_mode failed, port:%x\n", i);
449 	}
450 
451 	/* send command using avb pkt */
452 	len += offsetof(struct ps3av_pkt_avb_param, buf);
453 	res = ps3av_cmd_avb_param(&avb_param, len);
454 	if (res < 0)
455 		dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n");
456 
457 	/* audio mute */
458 	ps3av_set_audio_mute(PS3AV_CMD_MUTE_OFF);
459 
460 	/* audio active */
461 	res = ps3av_cmd_audio_active(1, ps3av->audio_port);
462 	if (res < 0)
463 		dev_dbg(&ps3av->dev->core,
464 			"ps3av_cmd_audio_active ON failed\n");
465 
466 	return 0;
467 }
468 EXPORT_SYMBOL_GPL(ps3av_set_audio_mode);
469 
470 static int ps3av_set_videomode(void)
471 {
472 	/* av video mute */
473 	ps3av_set_av_video_mute(PS3AV_CMD_MUTE_ON);
474 
475 	/* wake up ps3avd to do the actual video mode setting */
476 	schedule_work(&ps3av->work);
477 
478 	return 0;
479 }
480 
481 static void ps3av_set_videomode_packet(u32 id)
482 {
483 	struct ps3av_pkt_avb_param avb_param;
484 	unsigned int i;
485 	u32 len = 0, av_video_cs;
486 	const struct avset_video_mode *video_mode;
487 	int res;
488 
489 	video_mode = &video_mode_table[id & PS3AV_MODE_MASK];
490 
491 	avb_param.num_of_video_pkt = PS3AV_AVB_NUM_VIDEO; /* num of head */
492 	avb_param.num_of_audio_pkt = 0;
493 	avb_param.num_of_av_video_pkt = ps3av->av_hw_conf.num_of_hdmi +
494 					ps3av->av_hw_conf.num_of_avmulti;
495 	avb_param.num_of_av_audio_pkt = 0;
496 
497 	/* video_pkt */
498 	for (i = 0; i < avb_param.num_of_video_pkt; i++)
499 		len += ps3av_cmd_set_video_mode(&avb_param.buf[len],
500 						ps3av->head[i], video_mode->vid,
501 						video_mode->fmt, id);
502 	/* av_video_pkt */
503 	for (i = 0; i < avb_param.num_of_av_video_pkt; i++) {
504 		if (id & PS3AV_MODE_DVI || id & PS3AV_MODE_RGB)
505 			av_video_cs = RGB8;
506 		else
507 			av_video_cs = video_mode->cs;
508 #ifndef PS3AV_HDMI_YUV
509 		if (ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_0 ||
510 		    ps3av->av_port[i] == PS3AV_CMD_AVPORT_HDMI_1)
511 			av_video_cs = RGB8; /* use RGB for HDMI */
512 #endif
513 		len += ps3av_cmd_set_av_video_cs(&avb_param.buf[len],
514 						 ps3av->av_port[i],
515 						 video_mode->vid, av_video_cs,
516 						 video_mode->aspect, id);
517 	}
518 	/* send command using avb pkt */
519 	len += offsetof(struct ps3av_pkt_avb_param, buf);
520 	res = ps3av_cmd_avb_param(&avb_param, len);
521 	if (res == PS3AV_STATUS_NO_SYNC_HEAD)
522 		printk(KERN_WARNING
523 		       "%s: Command failed. Please try your request again.\n",
524 		       __func__);
525 	else if (res)
526 		dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n");
527 }
528 
529 static void ps3av_set_videomode_cont(u32 id, u32 old_id)
530 {
531 	static int vesa;
532 	int res;
533 
534 	/* video signal off */
535 	ps3av_set_video_disable_sig();
536 
537 	/*
538 	 * AV backend needs non-VESA mode setting at least one time
539 	 * when VESA mode is used.
540 	 */
541 	if (vesa == 0 && (id & PS3AV_MODE_MASK) >= PS3AV_MODE_WXGA) {
542 		/* vesa mode */
543 		ps3av_set_videomode_packet(PS3AV_MODE_480P);
544 	}
545 	vesa = 1;
546 
547 	/* Retail PS3 product doesn't support this */
548 	if (id & PS3AV_MODE_HDCP_OFF) {
549 		res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_HDCP_OFF);
550 		if (res == PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
551 			dev_dbg(&ps3av->dev->core, "Not supported\n");
552 		else if (res)
553 			dev_dbg(&ps3av->dev->core,
554 				"ps3av_cmd_av_hdmi_mode failed\n");
555 	} else if (old_id & PS3AV_MODE_HDCP_OFF) {
556 		res = ps3av_cmd_av_hdmi_mode(PS3AV_CMD_AV_HDMI_MODE_NORMAL);
557 		if (res < 0 && res != PS3AV_STATUS_UNSUPPORTED_HDMI_MODE)
558 			dev_dbg(&ps3av->dev->core,
559 				"ps3av_cmd_av_hdmi_mode failed\n");
560 	}
561 
562 	ps3av_set_videomode_packet(id);
563 
564 	msleep(1500);
565 	/* av video mute */
566 	ps3av_set_av_video_mute(PS3AV_CMD_MUTE_OFF);
567 }
568 
569 static void ps3avd(struct work_struct *work)
570 {
571 	ps3av_set_videomode_cont(ps3av->ps3av_mode, ps3av->ps3av_mode_old);
572 	complete(&ps3av->done);
573 }
574 
575 #define SHIFT_50	0
576 #define SHIFT_60	4
577 #define SHIFT_VESA	8
578 
579 static const struct {
580 	unsigned mask:19;
581 	unsigned id:4;
582 } ps3av_preferred_modes[] = {
583 	{ PS3AV_RESBIT_WUXGA      << SHIFT_VESA, PS3AV_MODE_WUXGA   },
584 	{ PS3AV_RESBIT_1920x1080P << SHIFT_60,   PS3AV_MODE_1080P60 },
585 	{ PS3AV_RESBIT_1920x1080P << SHIFT_50,   PS3AV_MODE_1080P50 },
586 	{ PS3AV_RESBIT_1920x1080I << SHIFT_60,   PS3AV_MODE_1080I60 },
587 	{ PS3AV_RESBIT_1920x1080I << SHIFT_50,   PS3AV_MODE_1080I50 },
588 	{ PS3AV_RESBIT_SXGA       << SHIFT_VESA, PS3AV_MODE_SXGA    },
589 	{ PS3AV_RESBIT_WXGA       << SHIFT_VESA, PS3AV_MODE_WXGA    },
590 	{ PS3AV_RESBIT_1280x720P  << SHIFT_60,   PS3AV_MODE_720P60  },
591 	{ PS3AV_RESBIT_1280x720P  << SHIFT_50,   PS3AV_MODE_720P50  },
592 	{ PS3AV_RESBIT_720x480P   << SHIFT_60,   PS3AV_MODE_480P    },
593 	{ PS3AV_RESBIT_720x576P   << SHIFT_50,   PS3AV_MODE_576P    },
594 };
595 
596 static enum ps3av_mode_num ps3av_resbit2id(u32 res_50, u32 res_60,
597 					   u32 res_vesa)
598 {
599 	unsigned int i;
600 	u32 res_all;
601 
602 	/*
603 	 * We mask off the resolution bits we care about and combine the
604 	 * results in one bitfield, so make sure there's no overlap
605 	 */
606 	BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
607 		     PS3AV_RES_MASK_60 << SHIFT_60);
608 	BUILD_BUG_ON(PS3AV_RES_MASK_50 << SHIFT_50 &
609 		     PS3AV_RES_MASK_VESA << SHIFT_VESA);
610 	BUILD_BUG_ON(PS3AV_RES_MASK_60 << SHIFT_60 &
611 		     PS3AV_RES_MASK_VESA << SHIFT_VESA);
612 	res_all = (res_50 & PS3AV_RES_MASK_50) << SHIFT_50 |
613 		  (res_60 & PS3AV_RES_MASK_60) << SHIFT_60 |
614 		  (res_vesa & PS3AV_RES_MASK_VESA) << SHIFT_VESA;
615 
616 	if (!res_all)
617 		return 0;
618 
619 	for (i = 0; i < ARRAY_SIZE(ps3av_preferred_modes); i++)
620 		if (res_all & ps3av_preferred_modes[i].mask)
621 			return ps3av_preferred_modes[i].id;
622 
623 	return 0;
624 }
625 
626 static enum ps3av_mode_num ps3av_hdmi_get_id(struct ps3av_info_monitor *info)
627 {
628 	enum ps3av_mode_num id;
629 
630 	if (safe_mode)
631 		return PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
632 
633 	/* check native resolution */
634 	id = ps3av_resbit2id(info->res_50.native, info->res_60.native,
635 			     info->res_vesa.native);
636 	if (id) {
637 		pr_debug("%s: Using native mode %d\n", __func__, id);
638 		return id;
639 	}
640 
641 	/* check supported resolutions */
642 	id = ps3av_resbit2id(info->res_50.res_bits, info->res_60.res_bits,
643 			     info->res_vesa.res_bits);
644 	if (id) {
645 		pr_debug("%s: Using supported mode %d\n", __func__, id);
646 		return id;
647 	}
648 
649 	if (ps3av->region & PS3AV_REGION_60)
650 		id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_60;
651 	else
652 		id = PS3AV_DEFAULT_HDMI_MODE_ID_REG_50;
653 	pr_debug("%s: Using default mode %d\n", __func__, id);
654 	return id;
655 }
656 
657 static void ps3av_monitor_info_dump(
658 	const struct ps3av_pkt_av_get_monitor_info *monitor_info)
659 {
660 	const struct ps3av_info_monitor *info = &monitor_info->info;
661 	const struct ps3av_info_audio *audio = info->audio;
662 	char id[sizeof(info->monitor_id)*3+1];
663 	int i;
664 
665 	pr_debug("Monitor Info: size %u\n", monitor_info->send_hdr.size);
666 
667 	pr_debug("avport: %02x\n", info->avport);
668 	for (i = 0; i < sizeof(info->monitor_id); i++)
669 		sprintf(&id[i*3], " %02x", info->monitor_id[i]);
670 	pr_debug("monitor_id: %s\n", id);
671 	pr_debug("monitor_type: %02x\n", info->monitor_type);
672 	pr_debug("monitor_name: %.*s\n", (int)sizeof(info->monitor_name),
673 		 info->monitor_name);
674 
675 	/* resolution */
676 	pr_debug("resolution_60: bits: %08x native: %08x\n",
677 		 info->res_60.res_bits, info->res_60.native);
678 	pr_debug("resolution_50: bits: %08x native: %08x\n",
679 		 info->res_50.res_bits, info->res_50.native);
680 	pr_debug("resolution_other: bits: %08x native: %08x\n",
681 		 info->res_other.res_bits, info->res_other.native);
682 	pr_debug("resolution_vesa: bits: %08x native: %08x\n",
683 		 info->res_vesa.res_bits, info->res_vesa.native);
684 
685 	/* color space */
686 	pr_debug("color space    rgb: %02x\n", info->cs.rgb);
687 	pr_debug("color space yuv444: %02x\n", info->cs.yuv444);
688 	pr_debug("color space yuv422: %02x\n", info->cs.yuv422);
689 
690 	/* color info */
691 	pr_debug("color info   red: X %04x Y %04x\n", info->color.red_x,
692 		 info->color.red_y);
693 	pr_debug("color info green: X %04x Y %04x\n", info->color.green_x,
694 		 info->color.green_y);
695 	pr_debug("color info  blue: X %04x Y %04x\n", info->color.blue_x,
696 		 info->color.blue_y);
697 	pr_debug("color info white: X %04x Y %04x\n", info->color.white_x,
698 		 info->color.white_y);
699 	pr_debug("color info gamma:  %08x\n", info->color.gamma);
700 
701 	/* other info */
702 	pr_debug("supported_AI: %02x\n", info->supported_ai);
703 	pr_debug("speaker_info: %02x\n", info->speaker_info);
704 	pr_debug("num of audio: %02x\n", info->num_of_audio_block);
705 
706 	/* audio block */
707 	for (i = 0; i < info->num_of_audio_block; i++) {
708 		pr_debug(
709 			"audio[%d] type: %02x max_ch: %02x fs: %02x sbit: %02x\n",
710 			 i, audio->type, audio->max_num_of_ch, audio->fs,
711 			 audio->sbit);
712 		audio++;
713 	}
714 }
715 
716 static const struct ps3av_monitor_quirk {
717 	const char *monitor_name;
718 	u32 clear_60;
719 } ps3av_monitor_quirks[] = {
720 	{
721 		.monitor_name	= "DELL 2007WFP",
722 		.clear_60	= PS3AV_RESBIT_1920x1080I
723 	}, {
724 		.monitor_name	= "L226WTQ",
725 		.clear_60	= PS3AV_RESBIT_1920x1080I |
726 				  PS3AV_RESBIT_1920x1080P
727 	}, {
728 		.monitor_name	= "SyncMaster",
729 		.clear_60	= PS3AV_RESBIT_1920x1080I
730 	}
731 };
732 
733 static void ps3av_fixup_monitor_info(struct ps3av_info_monitor *info)
734 {
735 	unsigned int i;
736 	const struct ps3av_monitor_quirk *quirk;
737 
738 	for (i = 0; i < ARRAY_SIZE(ps3av_monitor_quirks); i++) {
739 		quirk = &ps3av_monitor_quirks[i];
740 		if (!strncmp(info->monitor_name, quirk->monitor_name,
741 			     sizeof(info->monitor_name))) {
742 			pr_info("%s: Applying quirk for %s\n", __func__,
743 				quirk->monitor_name);
744 			info->res_60.res_bits &= ~quirk->clear_60;
745 			info->res_60.native &= ~quirk->clear_60;
746 			break;
747 		}
748 	}
749 }
750 
751 static int ps3av_auto_videomode(struct ps3av_pkt_av_get_hw_conf *av_hw_conf)
752 {
753 	int i, res, id = 0, dvi = 0, rgb = 0;
754 	struct ps3av_pkt_av_get_monitor_info monitor_info;
755 	struct ps3av_info_monitor *info;
756 
757 	/* get mode id for hdmi */
758 	for (i = 0; i < av_hw_conf->num_of_hdmi && !id; i++) {
759 		res = ps3av_cmd_video_get_monitor_info(&monitor_info,
760 						       PS3AV_CMD_AVPORT_HDMI_0 +
761 						       i);
762 		if (res < 0)
763 			return -1;
764 
765 		ps3av_monitor_info_dump(&monitor_info);
766 
767 		info = &monitor_info.info;
768 		ps3av_fixup_monitor_info(info);
769 
770 		switch (info->monitor_type) {
771 		case PS3AV_MONITOR_TYPE_DVI:
772 			dvi = PS3AV_MODE_DVI;
773 			fallthrough;
774 		case PS3AV_MONITOR_TYPE_HDMI:
775 			id = ps3av_hdmi_get_id(info);
776 			break;
777 		}
778 	}
779 
780 	if (!id) {
781 		/* no HDMI interface or HDMI is off */
782 		if (ps3av->region & PS3AV_REGION_60)
783 			id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_60;
784 		else
785 			id = PS3AV_DEFAULT_AVMULTI_MODE_ID_REG_50;
786 		if (ps3av->region & PS3AV_REGION_RGB)
787 			rgb = PS3AV_MODE_RGB;
788 		pr_debug("%s: Using avmulti mode %d\n", __func__, id);
789 	}
790 
791 	return id | dvi | rgb;
792 }
793 
794 static int ps3av_get_hw_conf(struct ps3av *ps3av)
795 {
796 	int i, j, k, res;
797 	const struct ps3av_pkt_av_get_hw_conf *hw_conf;
798 
799 	/* get av_hw_conf */
800 	res = ps3av_cmd_av_get_hw_conf(&ps3av->av_hw_conf);
801 	if (res < 0)
802 		return -1;
803 
804 	hw_conf = &ps3av->av_hw_conf;
805 	pr_debug("av_h_conf: num of hdmi: %u\n", hw_conf->num_of_hdmi);
806 	pr_debug("av_h_conf: num of avmulti: %u\n", hw_conf->num_of_avmulti);
807 	pr_debug("av_h_conf: num of spdif: %u\n", hw_conf->num_of_spdif);
808 
809 	for (i = 0; i < PS3AV_HEAD_MAX; i++)
810 		ps3av->head[i] = PS3AV_CMD_VIDEO_HEAD_A + i;
811 	for (i = 0; i < PS3AV_OPT_PORT_MAX; i++)
812 		ps3av->opt_port[i] = PS3AV_CMD_AVPORT_SPDIF_0 + i;
813 	for (i = 0; i < hw_conf->num_of_hdmi; i++)
814 		ps3av->av_port[i] = PS3AV_CMD_AVPORT_HDMI_0 + i;
815 	for (j = 0; j < hw_conf->num_of_avmulti; j++)
816 		ps3av->av_port[i + j] = PS3AV_CMD_AVPORT_AVMULTI_0 + j;
817 	for (k = 0; k < hw_conf->num_of_spdif; k++)
818 		ps3av->av_port[i + j + k] = PS3AV_CMD_AVPORT_SPDIF_0 + k;
819 
820 	/* set all audio port */
821 	ps3av->audio_port = PS3AV_CMD_AUDIO_PORT_HDMI_0
822 	    | PS3AV_CMD_AUDIO_PORT_HDMI_1
823 	    | PS3AV_CMD_AUDIO_PORT_AVMULTI_0
824 	    | PS3AV_CMD_AUDIO_PORT_SPDIF_0 | PS3AV_CMD_AUDIO_PORT_SPDIF_1;
825 
826 	return 0;
827 }
828 
829 /* set mode using id */
830 int ps3av_set_video_mode(int id)
831 {
832 	int size;
833 	u32 option;
834 
835 	size = ARRAY_SIZE(video_mode_table);
836 	if ((id & PS3AV_MODE_MASK) > size - 1 || id < 0) {
837 		dev_dbg(&ps3av->dev->core, "%s: error id :%d\n", __func__, id);
838 		return -EINVAL;
839 	}
840 
841 	/* auto mode */
842 	option = id & ~PS3AV_MODE_MASK;
843 	if ((id & PS3AV_MODE_MASK) == PS3AV_MODE_AUTO) {
844 		id = ps3av_auto_videomode(&ps3av->av_hw_conf);
845 		if (id < 1) {
846 			printk(KERN_ERR "%s: invalid id :%d\n", __func__, id);
847 			return -EINVAL;
848 		}
849 		id |= option;
850 	}
851 
852 	/* set videomode */
853 	wait_for_completion(&ps3av->done);
854 	ps3av->ps3av_mode_old = ps3av->ps3av_mode;
855 	ps3av->ps3av_mode = id;
856 	if (ps3av_set_videomode())
857 		ps3av->ps3av_mode = ps3av->ps3av_mode_old;
858 
859 	return 0;
860 }
861 EXPORT_SYMBOL_GPL(ps3av_set_video_mode);
862 
863 int ps3av_get_auto_mode(void)
864 {
865 	return ps3av_auto_videomode(&ps3av->av_hw_conf);
866 }
867 EXPORT_SYMBOL_GPL(ps3av_get_auto_mode);
868 
869 int ps3av_get_mode(void)
870 {
871 	return ps3av ? ps3av->ps3av_mode : 0;
872 }
873 EXPORT_SYMBOL_GPL(ps3av_get_mode);
874 
875 /* get resolution by video_mode */
876 int ps3av_video_mode2res(u32 id, u32 *xres, u32 *yres)
877 {
878 	int size;
879 
880 	id = id & PS3AV_MODE_MASK;
881 	size = ARRAY_SIZE(video_mode_table);
882 	if (id > size - 1 || id < 0) {
883 		printk(KERN_ERR "%s: invalid mode %d\n", __func__, id);
884 		return -EINVAL;
885 	}
886 	*xres = video_mode_table[id].x;
887 	*yres = video_mode_table[id].y;
888 	return 0;
889 }
890 EXPORT_SYMBOL_GPL(ps3av_video_mode2res);
891 
892 /* mute */
893 int ps3av_video_mute(int mute)
894 {
895 	return ps3av_set_av_video_mute(mute ? PS3AV_CMD_MUTE_ON
896 					    : PS3AV_CMD_MUTE_OFF);
897 }
898 EXPORT_SYMBOL_GPL(ps3av_video_mute);
899 
900 /* mute analog output only */
901 int ps3av_audio_mute_analog(int mute)
902 {
903 	int i, res;
904 
905 	for (i = 0; i < ps3av->av_hw_conf.num_of_avmulti; i++) {
906 		res = ps3av_cmd_av_audio_mute(1,
907 			&ps3av->av_port[i + ps3av->av_hw_conf.num_of_hdmi],
908 			mute);
909 		if (res < 0)
910 			return -1;
911 	}
912 	return 0;
913 }
914 EXPORT_SYMBOL_GPL(ps3av_audio_mute_analog);
915 
916 int ps3av_audio_mute(int mute)
917 {
918 	return ps3av_set_audio_mute(mute ? PS3AV_CMD_MUTE_ON
919 					 : PS3AV_CMD_MUTE_OFF);
920 }
921 EXPORT_SYMBOL_GPL(ps3av_audio_mute);
922 
923 static int ps3av_probe(struct ps3_system_bus_device *dev)
924 {
925 	const char *mode_option;
926 	int res;
927 	int id;
928 
929 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
930 	dev_dbg(&dev->core, "  timeout=%d\n", timeout);
931 
932 	if (ps3av) {
933 		dev_err(&dev->core, "Only one ps3av device is supported\n");
934 		return -EBUSY;
935 	}
936 
937 	ps3av = kzalloc(sizeof(*ps3av), GFP_KERNEL);
938 	if (!ps3av)
939 		return -ENOMEM;
940 
941 	mutex_init(&ps3av->mutex);
942 	ps3av->ps3av_mode = PS3AV_MODE_AUTO;
943 	ps3av->dev = dev;
944 
945 	INIT_WORK(&ps3av->work, ps3avd);
946 	init_completion(&ps3av->done);
947 	complete(&ps3av->done);
948 
949 	switch (ps3_os_area_get_av_multi_out()) {
950 	case PS3_PARAM_AV_MULTI_OUT_NTSC:
951 		ps3av->region = PS3AV_REGION_60;
952 		break;
953 	case PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR:
954 	case PS3_PARAM_AV_MULTI_OUT_SECAM:
955 		ps3av->region = PS3AV_REGION_50;
956 		break;
957 	case PS3_PARAM_AV_MULTI_OUT_PAL_RGB:
958 		ps3av->region = PS3AV_REGION_50 | PS3AV_REGION_RGB;
959 		break;
960 	default:
961 		ps3av->region = PS3AV_REGION_60;
962 		break;
963 	}
964 
965 	/* init avsetting modules */
966 	res = ps3av_cmd_init();
967 	if (res < 0)
968 		printk(KERN_ERR "%s: ps3av_cmd_init failed %d\n", __func__,
969 		       res);
970 
971 	ps3av_get_hw_conf(ps3av);
972 
973 	mode_option = video_get_options(NULL);
974 	if (mode_option && !strcmp(mode_option, "safe"))
975 		safe_mode = 1;
976 	id = ps3av_auto_videomode(&ps3av->av_hw_conf);
977 	if (id < 0) {
978 		printk(KERN_ERR "%s: invalid id :%d\n", __func__, id);
979 		res = -EINVAL;
980 		goto fail;
981 	}
982 
983 	safe_mode = 0;
984 
985 	mutex_lock(&ps3av->mutex);
986 	ps3av->ps3av_mode = id;
987 	mutex_unlock(&ps3av->mutex);
988 
989 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
990 
991 	return 0;
992 
993 fail:
994 	kfree(ps3av);
995 	ps3av = NULL;
996 	return res;
997 }
998 
999 static int ps3av_remove(struct ps3_system_bus_device *dev)
1000 {
1001 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1002 	if (ps3av) {
1003 		ps3av_cmd_fin();
1004 		flush_work(&ps3av->work);
1005 		kfree(ps3av);
1006 		ps3av = NULL;
1007 	}
1008 
1009 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1010 	return 0;
1011 }
1012 
1013 static void ps3av_shutdown(struct ps3_system_bus_device *dev)
1014 {
1015 	dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1016 	ps3av_remove(dev);
1017 	dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1018 }
1019 
1020 static struct ps3_vuart_port_driver ps3av_driver = {
1021 	.core.match_id = PS3_MATCH_ID_AV_SETTINGS,
1022 	.core.core.name = "ps3_av",
1023 	.probe = ps3av_probe,
1024 	.remove = ps3av_remove,
1025 	.shutdown = ps3av_shutdown,
1026 };
1027 
1028 static int __init ps3av_module_init(void)
1029 {
1030 	int error;
1031 
1032 	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
1033 		return -ENODEV;
1034 
1035 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
1036 
1037 	error = ps3_vuart_port_driver_register(&ps3av_driver);
1038 	if (error) {
1039 		printk(KERN_ERR
1040 		       "%s: ps3_vuart_port_driver_register failed %d\n",
1041 		       __func__, error);
1042 		return error;
1043 	}
1044 
1045 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1046 	return error;
1047 }
1048 
1049 static void __exit ps3av_module_exit(void)
1050 {
1051 	pr_debug(" -> %s:%d\n", __func__, __LINE__);
1052 	ps3_vuart_port_driver_unregister(&ps3av_driver);
1053 	pr_debug(" <- %s:%d\n", __func__, __LINE__);
1054 }
1055 
1056 subsys_initcall(ps3av_module_init);
1057 module_exit(ps3av_module_exit);
1058 
1059 MODULE_LICENSE("GPL v2");
1060 MODULE_DESCRIPTION("PS3 AV Settings Driver");
1061 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1062 MODULE_ALIAS(PS3_MODULE_ALIAS_AV_SETTINGS);
1063