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Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001/*
2 * linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
3 *
4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006, 2007 Sony Corporation
6 *
7 * This file is based on :
8 *
9 * linux/drivers/video/vfb.c -- Virtual frame buffer device
10 *
11 * Copyright (C) 2002 James Simmons
12 *
13 * Copyright (C) 1997 Geert Uytterhoeven
14 *
15 * This file is subject to the terms and conditions of the GNU General Public
16 * License. See the file COPYING in the main directory of this archive for
17 * more details.
18 */
19
20#include <linux/module.h>
21#include <linux/kernel.h>
22#include <linux/errno.h>
23#include <linux/string.h>
24#include <linux/mm.h>
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080025#include <linux/interrupt.h>
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080026#include <linux/console.h>
27#include <linux/ioctl.h>
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +020028#include <linux/kthread.h>
29#include <linux/freezer.h>
Krzysztof Helt84902b72007-10-16 01:29:04 -070030#include <linux/uaccess.h>
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080031#include <linux/fb.h>
32#include <linux/init.h>
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080033
Geert Uytterhoeven9413c882009-07-29 02:06:42 +000034#include <asm/cell-regs.h>
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080035#include <asm/lv1call.h>
36#include <asm/ps3av.h>
37#include <asm/ps3fb.h>
38#include <asm/ps3.h>
Geert Uytterhoevend3352c92009-06-10 04:38:48 +000039#include <asm/ps3gpu.h>
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080040
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +100041
42#define DEVICE_NAME "ps3fb"
43
Geert Uytterhoeven9ac67a32007-12-19 11:16:41 +010044#define GPU_CMD_BUF_SIZE (2 * 1024 * 1024)
45#define GPU_FB_START (64 * 1024)
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080046#define GPU_IOIF (0x0d000000UL)
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -070047#define GPU_ALIGN_UP(x) _ALIGN_UP((x), 64)
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -070048#define GPU_MAX_LINE_LENGTH (65536 - 64)
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080049
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -080050#define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */
51#define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */
52#define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */
53#define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */
54#define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */
55#define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */
56
57#define GPU_DRIVER_INFO_VERSION 0x211
58
59/* gpu internals */
60struct display_head {
61 u64 be_time_stamp;
62 u32 status;
63 u32 offset;
64 u32 res1;
65 u32 res2;
66 u32 field;
67 u32 reserved1;
68
69 u64 res3;
70 u32 raster;
71
72 u64 vblank_count;
73 u32 field_vsync;
74 u32 reserved2;
75};
76
77struct gpu_irq {
78 u32 irq_outlet;
79 u32 status;
80 u32 mask;
81 u32 video_cause;
82 u32 graph_cause;
83 u32 user_cause;
84
85 u32 res1;
86 u64 res2;
87
88 u32 reserved[4];
89};
90
91struct gpu_driver_info {
92 u32 version_driver;
93 u32 version_gpu;
94 u32 memory_size;
95 u32 hardware_channel;
96
97 u32 nvcore_frequency;
98 u32 memory_frequency;
99
100 u32 reserved[1063];
101 struct display_head display_head[8];
102 struct gpu_irq irq;
103};
104
105struct ps3fb_priv {
106 unsigned int irq_no;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800107
108 u64 context_handle, memory_handle;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800109 struct gpu_driver_info *dinfo;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800110
111 u64 vblank_count; /* frame count */
112 wait_queue_head_t wait_vsync;
113
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800114 atomic_t ext_flip; /* on/off flip with vsync */
115 atomic_t f_count; /* fb_open count */
116 int is_blanked;
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +0200117 int is_kicked;
118 struct task_struct *task;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800119};
120static struct ps3fb_priv ps3fb;
121
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700122struct ps3fb_par {
123 u32 pseudo_palette[16];
124 int mode_id, new_mode_id;
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700125 unsigned int num_frames; /* num of frame buffers */
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700126 unsigned int width;
127 unsigned int height;
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800128 unsigned int ddr_line_length;
129 unsigned int ddr_frame_size;
130 unsigned int xdr_frame_size;
Geert Uytterhoeven7974f722008-02-06 01:39:32 -0800131 unsigned int full_offset; /* start of fullscreen DDR fb */
132 unsigned int fb_offset; /* start of actual DDR fb */
133 unsigned int pan_offset;
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700134};
135
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800136
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800137#define FIRST_NATIVE_MODE_INDEX 10
138
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800139static const struct fb_videomode ps3fb_modedb[] = {
140 /* 60 Hz broadcast modes (modes "1" to "5") */
141 {
142 /* 480i */
143 "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
144 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
145 }, {
146 /* 480p */
147 "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
148 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
149 }, {
150 /* 720p */
151 "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
152 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
153 }, {
154 /* 1080i */
155 "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
156 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
157 }, {
158 /* 1080p */
159 "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
160 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
161 },
162
163 /* 50 Hz broadcast modes (modes "6" to "10") */
164 {
165 /* 576i */
166 "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
167 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
168 }, {
169 /* 576p */
170 "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
171 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
172 }, {
173 /* 720p */
174 "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
175 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
176 }, {
Geoff Levanda782eed2008-02-06 01:39:36 -0800177 /* 1080i */
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800178 "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
179 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
180 }, {
181 /* 1080p */
182 "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
183 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
184 },
185
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800186 [FIRST_NATIVE_MODE_INDEX] =
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800187 /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
188 {
189 /* 480if */
190 "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
191 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
192 }, {
193 /* 480pf */
194 "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
195 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
196 }, {
197 /* 720pf */
198 "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
199 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
200 }, {
201 /* 1080if */
202 "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
203 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
204 }, {
205 /* 1080pf */
206 "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
207 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
208 },
209
210 /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
211 {
212 /* 576if */
213 "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
214 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
215 }, {
216 /* 576pf */
217 "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
218 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
219 }, {
220 /* 720pf */
221 "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
222 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
223 }, {
224 /* 1080if */
Geoff Levanda782eed2008-02-06 01:39:36 -0800225 "1080if", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800226 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
227 }, {
228 /* 1080pf */
229 "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
230 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800231 },
232
233 /* VESA modes (modes "11" to "13") */
234 {
235 /* WXGA */
236 "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
237 0, FB_VMODE_NONINTERLACED,
238 FB_MODE_IS_VESA
239 }, {
240 /* SXGA */
241 "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
242 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
243 FB_MODE_IS_VESA
244 }, {
245 /* WUXGA */
246 "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
247 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
248 FB_MODE_IS_VESA
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800249 }
250};
251
252
253#define HEAD_A
254#define HEAD_B
255
Geert Uytterhoeven2ce32e12007-10-16 01:29:48 -0700256#define BPP 4 /* number of bytes per pixel */
257
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800258
Geert Uytterhoevenbd685ac2007-05-02 14:48:34 +0200259static int ps3fb_mode;
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +1000260module_param(ps3fb_mode, int, 0);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800261
Greg Kroah-Hartman48c68c42012-12-21 13:07:39 -0800262static char *mode_option;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800263
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800264static int ps3fb_cmp_mode(const struct fb_videomode *vmode,
265 const struct fb_var_screeninfo *var)
266{
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800267 long xres, yres, left_margin, right_margin, upper_margin, lower_margin;
268 long dx, dy;
269
270 /* maximum values */
271 if (var->xres > vmode->xres || var->yres > vmode->yres ||
272 var->pixclock > vmode->pixclock ||
273 var->hsync_len > vmode->hsync_len ||
274 var->vsync_len > vmode->vsync_len)
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800275 return -1;
276
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800277 /* progressive/interlaced must match */
278 if ((var->vmode & FB_VMODE_MASK) != vmode->vmode)
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800279 return -1;
280
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800281 /* minimum resolution */
282 xres = max(var->xres, 1U);
283 yres = max(var->yres, 1U);
284
285 /* minimum margins */
286 left_margin = max(var->left_margin, vmode->left_margin);
287 right_margin = max(var->right_margin, vmode->right_margin);
288 upper_margin = max(var->upper_margin, vmode->upper_margin);
289 lower_margin = max(var->lower_margin, vmode->lower_margin);
290
291 /* resolution + margins may not exceed native parameters */
292 dx = ((long)vmode->left_margin + (long)vmode->xres +
293 (long)vmode->right_margin) -
294 (left_margin + xres + right_margin);
295 if (dx < 0)
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800296 return -1;
297
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800298 dy = ((long)vmode->upper_margin + (long)vmode->yres +
299 (long)vmode->lower_margin) -
300 (upper_margin + yres + lower_margin);
301 if (dy < 0)
302 return -1;
303
304 /* exact match */
305 if (!dx && !dy)
306 return 0;
307
308 /* resolution difference */
309 return (vmode->xres - xres) * (vmode->yres - yres);
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800310}
311
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800312static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id)
313{
314 return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1];
315}
316
317static const struct fb_videomode *ps3fb_vmode(int id)
318{
319 u32 mode = id & PS3AV_MODE_MASK;
320
321 if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
322 return NULL;
323
324 if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) {
325 /* Non-fullscreen broadcast mode */
326 return &ps3fb_modedb[mode - 1];
327 }
328
329 return ps3fb_native_vmode(mode);
330}
331
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800332static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var,
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700333 u32 *ddr_line_length, u32 *xdr_line_length)
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800334{
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800335 unsigned int id, best_id;
336 int diff, best_diff;
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800337 const struct fb_videomode *vmode;
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800338 long gap;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800339
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800340 best_id = 0;
341 best_diff = INT_MAX;
342 pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__,
343 var->left_margin, var->xres, var->right_margin,
344 var->upper_margin, var->yres, var->lower_margin);
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800345 for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) {
346 vmode = ps3fb_native_vmode(id);
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800347 diff = ps3fb_cmp_mode(vmode, var);
348 pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n",
349 __func__, id, vmode->left_margin, vmode->xres,
350 vmode->right_margin, vmode->upper_margin,
351 vmode->yres, vmode->lower_margin, diff);
352 if (diff < 0)
353 continue;
354 if (diff < best_diff) {
355 best_id = id;
356 if (!diff)
357 break;
358 best_diff = diff;
359 }
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800360 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800361
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800362 if (!best_id) {
363 pr_debug("%s: no suitable mode found\n", __func__);
364 return 0;
365 }
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700366
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800367 id = best_id;
368 vmode = ps3fb_native_vmode(id);
369
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800370 *ddr_line_length = vmode->xres * BPP;
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800371
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800372 /* minimum resolution */
373 if (!var->xres)
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800374 var->xres = 1;
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800375 if (!var->yres)
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800376 var->yres = 1;
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800377
378 /* minimum virtual resolution */
379 if (var->xres_virtual < var->xres)
380 var->xres_virtual = var->xres;
381 if (var->yres_virtual < var->yres)
382 var->yres_virtual = var->yres;
383
384 /* minimum margins */
385 if (var->left_margin < vmode->left_margin)
386 var->left_margin = vmode->left_margin;
387 if (var->right_margin < vmode->right_margin)
388 var->right_margin = vmode->right_margin;
389 if (var->upper_margin < vmode->upper_margin)
390 var->upper_margin = vmode->upper_margin;
391 if (var->lower_margin < vmode->lower_margin)
392 var->lower_margin = vmode->lower_margin;
393
394 /* extra margins */
395 gap = ((long)vmode->left_margin + (long)vmode->xres +
396 (long)vmode->right_margin) -
397 ((long)var->left_margin + (long)var->xres +
398 (long)var->right_margin);
399 if (gap > 0) {
400 var->left_margin += gap/2;
401 var->right_margin += (gap+1)/2;
402 pr_debug("%s: rounded up H to %u [%u] %u\n", __func__,
403 var->left_margin, var->xres, var->right_margin);
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800404 }
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700405
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800406 gap = ((long)vmode->upper_margin + (long)vmode->yres +
407 (long)vmode->lower_margin) -
408 ((long)var->upper_margin + (long)var->yres +
409 (long)var->lower_margin);
410 if (gap > 0) {
411 var->upper_margin += gap/2;
412 var->lower_margin += (gap+1)/2;
413 pr_debug("%s: rounded up V to %u [%u] %u\n", __func__,
414 var->upper_margin, var->yres, var->lower_margin);
415 }
416
417 /* fixed fields */
418 var->pixclock = vmode->pixclock;
419 var->hsync_len = vmode->hsync_len;
420 var->vsync_len = vmode->vsync_len;
421 var->sync = vmode->sync;
422
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700423 if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
Geert Uytterhoevena3665362008-02-06 01:39:35 -0800424 *xdr_line_length = GPU_ALIGN_UP(var->xres_virtual * BPP);
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700425 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
426 *xdr_line_length = GPU_MAX_LINE_LENGTH;
427 } else
428 *xdr_line_length = *ddr_line_length;
429
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800430 if (vmode->sync & FB_SYNC_BROADCAST) {
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800431 /* Full broadcast modes have the full mode bit set */
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800432 if (vmode->xres == var->xres && vmode->yres == var->yres)
433 id |= PS3AV_MODE_FULL;
Geert Uytterhoeven633bd112008-02-06 01:39:33 -0800434 }
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700435
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800436 pr_debug("%s: mode %u\n", __func__, id);
437 return id;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800438}
439
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700440static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
441 u64 dst_offset, u64 src_offset, u32 width,
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700442 u32 height, u32 dst_line_length,
443 u32 src_line_length)
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700444{
445 int status;
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700446 u64 line_length;
447
448 line_length = dst_line_length;
449 if (src_line_length != dst_line_length)
450 line_length |= (u64)src_line_length << 32;
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700451
Geert Uytterhoeven9ac67a32007-12-19 11:16:41 +0100452 src_offset += GPU_FB_START;
Geert Uytterhoeven9b82f3e2008-10-30 08:12:58 +0000453
454 mutex_lock(&ps3_gpu_mutex);
Geert Uytterhoevend3352c92009-06-10 04:38:48 +0000455 status = lv1_gpu_fb_blit(ps3fb.context_handle, dst_offset,
456 GPU_IOIF + src_offset,
457 L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
458 (width << 16) | height,
459 line_length);
Geert Uytterhoeven9b82f3e2008-10-30 08:12:58 +0000460 mutex_unlock(&ps3_gpu_mutex);
461
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700462 if (status)
Geert Uytterhoevend3352c92009-06-10 04:38:48 +0000463 dev_err(dev, "%s: lv1_gpu_fb_blit failed: %d\n", __func__,
464 status);
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700465#ifdef HEAD_A
Geert Uytterhoevend3352c92009-06-10 04:38:48 +0000466 status = lv1_gpu_display_flip(ps3fb.context_handle, 0, frame_offset);
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700467 if (status)
Geert Uytterhoevend3352c92009-06-10 04:38:48 +0000468 dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__,
469 status);
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700470#endif
471#ifdef HEAD_B
Geert Uytterhoevend3352c92009-06-10 04:38:48 +0000472 status = lv1_gpu_display_flip(ps3fb.context_handle, 1, frame_offset);
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700473 if (status)
Geert Uytterhoevend3352c92009-06-10 04:38:48 +0000474 dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__,
475 status);
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700476#endif
477}
478
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700479static int ps3fb_sync(struct fb_info *info, u32 frame)
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800480{
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700481 struct ps3fb_par *par = info->par;
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800482 int error = 0;
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700483 u64 ddr_base, xdr_base;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800484
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700485 if (frame > par->num_frames - 1) {
Geert Uytterhoeven0138bd82007-10-16 01:29:46 -0700486 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
487 __func__, frame);
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700488 error = -EINVAL;
489 goto out;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800490 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800491
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800492 xdr_base = frame * par->xdr_frame_size;
493 ddr_base = frame * par->ddr_frame_size;
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700494
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700495 ps3fb_sync_image(info->device, ddr_base + par->full_offset,
496 ddr_base + par->fb_offset, xdr_base + par->pan_offset,
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800497 par->width, par->height, par->ddr_line_length,
498 info->fix.line_length);
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700499
500out:
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700501 return error;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800502}
503
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800504static int ps3fb_open(struct fb_info *info, int user)
505{
506 atomic_inc(&ps3fb.f_count);
507 return 0;
508}
509
510static int ps3fb_release(struct fb_info *info, int user)
511{
512 if (atomic_dec_and_test(&ps3fb.f_count)) {
513 if (atomic_read(&ps3fb.ext_flip)) {
514 atomic_set(&ps3fb.ext_flip, 0);
Torben Hohnac751ef2011-01-25 15:07:35 -0800515 if (console_trylock()) {
Jeremy Kerr8dab6372008-01-11 14:28:04 +0100516 ps3fb_sync(info, 0); /* single buffer */
Torben Hohnac751ef2011-01-25 15:07:35 -0800517 console_unlock();
Jeremy Kerr8dab6372008-01-11 14:28:04 +0100518 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800519 }
520 }
521 return 0;
522}
523
524 /*
525 * Setting the video mode has been split into two parts.
526 * First part, xxxfb_check_var, must not write anything
527 * to hardware, it should only verify and adjust var.
528 * This means it doesn't alter par but it does use hardware
529 * data from it to check this var.
530 */
531
532static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
533{
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700534 u32 xdr_line_length, ddr_line_length;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800535 int mode;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800536
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700537 mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800538 if (!mode)
539 return -EINVAL;
540
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -0700541 /* Virtual screen */
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700542 if (var->xres_virtual > xdr_line_length / BPP) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700543 dev_dbg(info->device,
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -0700544 "Horizontal virtual screen size too large\n");
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800545 return -EINVAL;
546 }
547
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -0700548 if (var->xoffset + var->xres > var->xres_virtual ||
549 var->yoffset + var->yres > var->yres_virtual) {
550 dev_dbg(info->device, "panning out-of-range\n");
551 return -EINVAL;
552 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800553
554 /* We support ARGB8888 only */
555 if (var->bits_per_pixel > 32 || var->grayscale ||
556 var->red.offset > 16 || var->green.offset > 8 ||
557 var->blue.offset > 0 || var->transp.offset > 24 ||
558 var->red.length > 8 || var->green.length > 8 ||
559 var->blue.length > 8 || var->transp.length > 8 ||
560 var->red.msb_right || var->green.msb_right ||
561 var->blue.msb_right || var->transp.msb_right || var->nonstd) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700562 dev_dbg(info->device, "We support ARGB8888 only\n");
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800563 return -EINVAL;
564 }
565
566 var->bits_per_pixel = 32;
567 var->red.offset = 16;
568 var->green.offset = 8;
569 var->blue.offset = 0;
570 var->transp.offset = 24;
571 var->red.length = 8;
572 var->green.length = 8;
573 var->blue.length = 8;
574 var->transp.length = 8;
575 var->red.msb_right = 0;
576 var->green.msb_right = 0;
577 var->blue.msb_right = 0;
578 var->transp.msb_right = 0;
579
580 /* Rotation is not supported */
581 if (var->rotate) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700582 dev_dbg(info->device, "Rotation is not supported\n");
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800583 return -EINVAL;
584 }
585
586 /* Memory limit */
Geert Uytterhoevena2864082008-02-06 01:39:35 -0800587 if (var->yres_virtual * xdr_line_length > info->fix.smem_len) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700588 dev_dbg(info->device, "Not enough memory\n");
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800589 return -ENOMEM;
590 }
591
592 var->height = -1;
593 var->width = -1;
594
595 return 0;
596}
597
598 /*
599 * This routine actually sets the video mode.
600 */
601
602static int ps3fb_set_par(struct fb_info *info)
603{
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700604 struct ps3fb_par *par = info->par;
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700605 unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
Geert Uytterhoeven7974f722008-02-06 01:39:32 -0800606 unsigned int ddr_xoff, ddr_yoff, offset;
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800607 const struct fb_videomode *vmode;
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700608 u64 dst;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800609
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700610 mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800611 if (!mode)
612 return -EINVAL;
613
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800614 vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK);
Geert Uytterhoevenc95344a2007-10-16 01:29:25 -0700615
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -0700616 info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
617 info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700618 info->fix.line_length = xdr_line_length;
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -0700619
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800620 par->ddr_line_length = ddr_line_length;
621 par->ddr_frame_size = vmode->yres * ddr_line_length;
622 par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
623
Geert Uytterhoevena2864082008-02-06 01:39:35 -0800624 par->num_frames = info->fix.smem_len /
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800625 max(par->ddr_frame_size, par->xdr_frame_size);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800626
627 /* Keep the special bits we cannot set using fb_var_screeninfo */
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700628 par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800629
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700630 par->width = info->var.xres;
631 par->height = info->var.yres;
Geert Uytterhoevend9a4ba62008-02-06 01:39:31 -0800632
633 /* Start of the virtual frame buffer (relative to fullscreen) */
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800634 ddr_xoff = info->var.left_margin - vmode->left_margin;
635 ddr_yoff = info->var.upper_margin - vmode->upper_margin;
636 offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
Geert Uytterhoevend9a4ba62008-02-06 01:39:31 -0800637
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700638 par->fb_offset = GPU_ALIGN_UP(offset);
639 par->full_offset = par->fb_offset - offset;
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700640 par->pan_offset = info->var.yoffset * xdr_line_length +
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -0700641 info->var.xoffset * BPP;
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700642
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700643 if (par->new_mode_id != par->mode_id) {
644 if (ps3av_set_video_mode(par->new_mode_id)) {
645 par->new_mode_id = par->mode_id;
646 return -EINVAL;
647 }
648 par->mode_id = par->new_mode_id;
649 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800650
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700651 /* Clear XDR frame buffer memory */
Geert Uytterhoevena2864082008-02-06 01:39:35 -0800652 memset((void __force *)info->screen_base, 0, info->fix.smem_len);
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700653
654 /* Clear DDR frame buffer memory */
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800655 lines = vmode->yres * par->num_frames;
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700656 if (par->full_offset)
657 lines++;
Geert Uytterhoevena2864082008-02-06 01:39:35 -0800658 maxlines = info->fix.smem_len / ddr_line_length;
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700659 for (dst = 0; lines; dst += maxlines * ddr_line_length) {
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700660 unsigned int l = min(lines, maxlines);
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800661 ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l,
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700662 ddr_line_length, ddr_line_length);
Geert Uytterhoevenf1664ed2007-10-16 01:29:49 -0700663 lines -= l;
664 }
665
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800666 return 0;
667}
668
669 /*
670 * Set a single color register. The values supplied are already
671 * rounded down to the hardware's capabilities (according to the
672 * entries in the var structure). Return != 0 for invalid regno.
673 */
674
675static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
676 unsigned int green, unsigned int blue,
677 unsigned int transp, struct fb_info *info)
678{
679 if (regno >= 16)
680 return 1;
681
682 red >>= 8;
683 green >>= 8;
684 blue >>= 8;
685 transp >>= 8;
686
687 ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
688 green << 8 | blue;
689 return 0;
690}
691
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -0700692static int ps3fb_pan_display(struct fb_var_screeninfo *var,
693 struct fb_info *info)
694{
695 struct ps3fb_par *par = info->par;
696
697 par->pan_offset = var->yoffset * info->fix.line_length +
698 var->xoffset * BPP;
699 return 0;
700}
701
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800702 /*
703 * As we have a virtual frame buffer, we need our own mmap function
704 */
705
706static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
707{
Tomi Valkeinen11bd5932013-04-18 07:52:42 +0300708 int r;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800709
Tomi Valkeinen11bd5932013-04-18 07:52:42 +0300710 r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800711
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700712 dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
Tomi Valkeinenb358c6c2013-04-30 10:44:51 +0300713 info->fix.smem_start + (vma->vm_pgoff << PAGE_SHIFT),
Tomi Valkeinen11bd5932013-04-18 07:52:42 +0300714 vma->vm_start);
715
716 return r;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800717}
718
719 /*
720 * Blank the display
721 */
722
723static int ps3fb_blank(int blank, struct fb_info *info)
724{
725 int retval;
726
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700727 dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800728 switch (blank) {
729 case FB_BLANK_POWERDOWN:
730 case FB_BLANK_HSYNC_SUSPEND:
731 case FB_BLANK_VSYNC_SUSPEND:
732 case FB_BLANK_NORMAL:
733 retval = ps3av_video_mute(1); /* mute on */
734 if (!retval)
735 ps3fb.is_blanked = 1;
736 break;
737
738 default: /* unblank */
739 retval = ps3av_video_mute(0); /* mute off */
740 if (!retval)
741 ps3fb.is_blanked = 0;
742 break;
743 }
744 return retval;
745}
746
747static int ps3fb_get_vblank(struct fb_vblank *vblank)
748{
Li Zefan3cc2c172007-11-14 16:58:33 -0800749 memset(vblank, 0, sizeof(*vblank));
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800750 vblank->flags = FB_VBLANK_HAVE_VSYNC;
751 return 0;
752}
753
Geert Uytterhoeven15e4d002007-10-16 01:29:47 -0700754static int ps3fb_wait_for_vsync(u32 crtc)
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800755{
756 int ret;
757 u64 count;
758
759 count = ps3fb.vblank_count;
760 ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
761 count != ps3fb.vblank_count,
762 HZ / 10);
763 if (!ret)
764 return -ETIMEDOUT;
765
766 return 0;
767}
768
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800769
770 /*
771 * ioctl
772 */
773
774static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
775 unsigned long arg)
776{
777 void __user *argp = (void __user *)arg;
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700778 u32 val;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800779 int retval = -EFAULT;
780
781 switch (cmd) {
782 case FBIOGET_VBLANK:
783 {
784 struct fb_vblank vblank;
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700785 dev_dbg(info->device, "FBIOGET_VBLANK:\n");
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800786 retval = ps3fb_get_vblank(&vblank);
787 if (retval)
788 break;
789
790 if (copy_to_user(argp, &vblank, sizeof(vblank)))
791 retval = -EFAULT;
792 break;
793 }
794
795 case FBIO_WAITFORVSYNC:
796 {
797 u32 crt;
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700798 dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800799 if (get_user(crt, (u32 __user *) arg))
800 break;
801
802 retval = ps3fb_wait_for_vsync(crt);
803 break;
804 }
805
806 case PS3FB_IOCTL_SETMODE:
807 {
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700808 struct ps3fb_par *par = info->par;
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800809 const struct fb_videomode *vmode;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800810 struct fb_var_screeninfo var;
811
812 if (copy_from_user(&val, argp, sizeof(val)))
813 break;
814
Masashi Kimoto64072902007-05-02 14:48:36 +0200815 if (!(val & PS3AV_MODE_MASK)) {
Geert Uytterhoevence4c3712007-10-16 01:29:44 -0700816 u32 id = ps3av_get_auto_mode();
Masashi Kimoto64072902007-05-02 14:48:36 +0200817 if (id > 0)
818 val = (val & ~PS3AV_MODE_MASK) | id;
819 }
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700820 dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800821 retval = -EINVAL;
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800822 vmode = ps3fb_vmode(val);
823 if (vmode) {
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800824 var = info->var;
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -0800825 fb_videomode_to_var(&var, vmode);
Torben Hohnac751ef2011-01-25 15:07:35 -0800826 console_lock();
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800827 info->flags |= FBINFO_MISC_USEREVENT;
828 /* Force, in case only special bits changed */
829 var.activate |= FB_ACTIVATE_FORCE;
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700830 par->new_mode_id = val;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800831 retval = fb_set_var(info, &var);
832 info->flags &= ~FBINFO_MISC_USEREVENT;
Torben Hohnac751ef2011-01-25 15:07:35 -0800833 console_unlock();
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800834 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800835 break;
836 }
837
838 case PS3FB_IOCTL_GETMODE:
839 val = ps3av_get_mode();
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700840 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800841 if (!copy_to_user(argp, &val, sizeof(val)))
842 retval = 0;
843 break;
844
845 case PS3FB_IOCTL_SCREENINFO:
846 {
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700847 struct ps3fb_par *par = info->par;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800848 struct ps3fb_ioctl_res res;
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700849 dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
Geert Uytterhoeven61e0b282007-10-16 01:29:51 -0700850 res.xres = info->fix.line_length / BPP;
851 res.yres = info->var.yres_virtual;
852 res.xoff = (res.xres - info->var.xres) / 2;
853 res.yoff = (res.yres - info->var.yres) / 2;
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700854 res.num_frames = par->num_frames;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800855 if (!copy_to_user(argp, &res, sizeof(res)))
856 retval = 0;
857 break;
858 }
859
860 case PS3FB_IOCTL_ON:
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700861 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800862 atomic_inc(&ps3fb.ext_flip);
863 retval = 0;
864 break;
865
866 case PS3FB_IOCTL_OFF:
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700867 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
Geert Uytterhoeveneca28742007-05-02 14:48:32 +0200868 atomic_dec_if_positive(&ps3fb.ext_flip);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800869 retval = 0;
870 break;
871
872 case PS3FB_IOCTL_FSEL:
873 if (copy_from_user(&val, argp, sizeof(val)))
874 break;
875
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700876 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
Torben Hohnac751ef2011-01-25 15:07:35 -0800877 console_lock();
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700878 retval = ps3fb_sync(info, val);
Torben Hohnac751ef2011-01-25 15:07:35 -0800879 console_unlock();
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800880 break;
881
882 default:
883 retval = -ENOIOCTLCMD;
884 break;
885 }
886 return retval;
887}
888
889static int ps3fbd(void *arg)
890{
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700891 struct fb_info *info = arg;
892
Rafael J. Wysocki83144182007-07-17 04:03:35 -0700893 set_freezable();
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +0200894 while (!kthread_should_stop()) {
895 try_to_freeze();
896 set_current_state(TASK_INTERRUPTIBLE);
897 if (ps3fb.is_kicked) {
898 ps3fb.is_kicked = 0;
Torben Hohnac751ef2011-01-25 15:07:35 -0800899 console_lock();
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700900 ps3fb_sync(info, 0); /* single buffer */
Torben Hohnac751ef2011-01-25 15:07:35 -0800901 console_unlock();
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +0200902 }
903 schedule();
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800904 }
905 return 0;
906}
907
908static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
909{
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700910 struct device *dev = ptr;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800911 u64 v1;
912 int status;
913 struct display_head *head = &ps3fb.dinfo->display_head[1];
914
915 status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
916 if (status) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700917 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
918 status);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800919 return IRQ_NONE;
920 }
921
922 if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
923 /* VSYNC */
924 ps3fb.vblank_count = head->vblank_count;
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +0200925 if (ps3fb.task && !ps3fb.is_blanked &&
926 !atomic_read(&ps3fb.ext_flip)) {
927 ps3fb.is_kicked = 1;
928 wake_up_process(ps3fb.task);
929 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800930 wake_up_interruptible(&ps3fb.wait_vsync);
931 }
932
933 return IRQ_HANDLED;
934}
935
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800936
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800937static struct fb_ops ps3fb_ops = {
938 .fb_open = ps3fb_open,
939 .fb_release = ps3fb_release,
Geert Uytterhoeven92c45792007-05-23 13:57:50 -0700940 .fb_read = fb_sys_read,
941 .fb_write = fb_sys_write,
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800942 .fb_check_var = ps3fb_check_var,
943 .fb_set_par = ps3fb_set_par,
944 .fb_setcolreg = ps3fb_setcolreg,
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -0700945 .fb_pan_display = ps3fb_pan_display,
Geert Uytterhoeven92c45792007-05-23 13:57:50 -0700946 .fb_fillrect = sys_fillrect,
947 .fb_copyarea = sys_copyarea,
948 .fb_imageblit = sys_imageblit,
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800949 .fb_mmap = ps3fb_mmap,
950 .fb_blank = ps3fb_blank,
951 .fb_ioctl = ps3fb_ioctl,
952 .fb_compat_ioctl = ps3fb_ioctl
953};
954
955static struct fb_fix_screeninfo ps3fb_fix __initdata = {
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +1000956 .id = DEVICE_NAME,
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800957 .type = FB_TYPE_PACKED_PIXELS,
958 .visual = FB_VISUAL_TRUECOLOR,
959 .accel = FB_ACCEL_NONE,
960};
961
Greg Kroah-Hartman48c68c42012-12-21 13:07:39 -0800962static int ps3fb_probe(struct ps3_system_bus_device *dev)
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800963{
964 struct fb_info *info;
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -0700965 struct ps3fb_par *par;
Geert Uytterhoevenca971ea2009-06-10 04:38:44 +0000966 int retval;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800967 u64 ddr_lpar = 0;
968 u64 lpar_dma_control = 0;
969 u64 lpar_driver_info = 0;
970 u64 lpar_reports = 0;
971 u64 lpar_reports_size = 0;
972 u64 xdr_lpar;
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +0000973 struct gpu_driver_info *dinfo;
Geert Uytterhoevena2864082008-02-06 01:39:35 -0800974 void *fb_start;
Geert Uytterhoeven9f4f21b2008-02-06 01:39:31 -0800975 int status;
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +0200976 struct task_struct *task;
Geert Uytterhoevenee592a52007-11-28 16:21:11 -0800977 unsigned long max_ps3fb_size;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -0800978
Geert Uytterhoeven9ac67a32007-12-19 11:16:41 +0100979 if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
980 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
981 return -ENOMEM;
982 }
983
Geert Uytterhoevenca971ea2009-06-10 04:38:44 +0000984 retval = ps3_open_hv_device(dev);
985 if (retval) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -0700986 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
987 __func__);
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +1000988 goto err;
989 }
990
991 if (!ps3fb_mode)
992 ps3fb_mode = ps3av_get_mode();
Geert Uytterhoeven084ffff2008-02-06 01:39:29 -0800993 dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +1000994
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +1000995 atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
996 atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
997 init_waitqueue_head(&ps3fb.wait_vsync);
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +1000998
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +0000999#ifdef HEAD_A
Geert Uytterhoevend3352c92009-06-10 04:38:48 +00001000 status = lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC);
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001001 if (status) {
Geert Uytterhoevend3352c92009-06-10 04:38:48 +00001002 dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n",
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001003 __func__, status);
Geert Uytterhoevenca971ea2009-06-10 04:38:44 +00001004 retval = -ENODEV;
1005 goto err_close_device;
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001006 }
1007#endif
1008#ifdef HEAD_B
Geert Uytterhoevend3352c92009-06-10 04:38:48 +00001009 status = lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC);
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001010 if (status) {
Geert Uytterhoevend3352c92009-06-10 04:38:48 +00001011 dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n",
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001012 __func__, status);
Geert Uytterhoevenca971ea2009-06-10 04:38:44 +00001013 retval = -ENODEV;
1014 goto err_close_device;
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001015 }
1016#endif
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001017
Geert Uytterhoevenee592a52007-11-28 16:21:11 -08001018 max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1019 if (ps3fb_videomemory.size > max_ps3fb_size) {
1020 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1021 max_ps3fb_size);
1022 ps3fb_videomemory.size = max_ps3fb_size;
1023 }
1024
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001025 /* get gpu context handle */
Geert Uytterhoevenee592a52007-11-28 16:21:11 -08001026 status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001027 &ps3fb.memory_handle, &ddr_lpar);
1028 if (status) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -07001029 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1030 __func__, status);
Peter Senna Tschudin8ead8a22012-09-18 14:07:59 +02001031 retval = -ENOMEM;
Geert Uytterhoevenca971ea2009-06-10 04:38:44 +00001032 goto err_close_device;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001033 }
Stephen Rothwell5d9ee3f2009-01-13 20:13:39 +00001034 dev_dbg(&dev->core, "ddr:lpar:0x%llx\n", ddr_lpar);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001035
1036 status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1037 &ps3fb.context_handle,
1038 &lpar_dma_control, &lpar_driver_info,
1039 &lpar_reports, &lpar_reports_size);
1040 if (status) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -07001041 dev_err(&dev->core,
Geert Uytterhoevend3352c92009-06-10 04:38:48 +00001042 "%s: lv1_gpu_context_allocate failed: %d\n", __func__,
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -07001043 status);
Peter Senna Tschudin8ead8a22012-09-18 14:07:59 +02001044 retval = -ENOMEM;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001045 goto err_gpu_memory_free;
1046 }
1047
1048 /* vsync interrupt */
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001049 dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024);
1050 if (!dinfo) {
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -07001051 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
Peter Senna Tschudin8ead8a22012-09-18 14:07:59 +02001052 retval = -ENOMEM;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001053 goto err_gpu_context_free;
1054 }
1055
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001056 ps3fb.dinfo = dinfo;
1057 dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver);
1058 dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet);
1059 dev_dbg(&dev->core, "version_gpu: %x memory_size: %x ch: %x "
1060 "core_freq: %d mem_freq:%d\n", dinfo->version_gpu,
1061 dinfo->memory_size, dinfo->hardware_channel,
1062 dinfo->nvcore_frequency/1000000,
1063 dinfo->memory_frequency/1000000);
1064
1065 if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
1066 dev_err(&dev->core, "%s: version_driver err:%x\n", __func__,
1067 dinfo->version_driver);
1068 retval = -EINVAL;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001069 goto err_iounmap_dinfo;
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001070 }
1071
1072 retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
1073 &ps3fb.irq_no);
1074 if (retval) {
1075 dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__,
1076 retval);
1077 goto err_iounmap_dinfo;
1078 }
1079
1080 retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt,
Yong Zhangf8798cc2011-09-22 16:59:16 +08001081 0, DEVICE_NAME, &dev->core);
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001082 if (retval) {
1083 dev_err(&dev->core, "%s: request_irq failed %d\n", __func__,
1084 retval);
1085 goto err_destroy_plug;
1086 }
1087
1088 dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
1089 (1 << GPU_INTR_STATUS_FLIP_1);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001090
Geert Uytterhoeven2ce32e12007-10-16 01:29:48 -07001091 /* Clear memory to prevent kernel info leakage into userspace */
Geert Uytterhoevena2864082008-02-06 01:39:35 -08001092 memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size);
Geert Uytterhoeven2ce32e12007-10-16 01:29:48 -07001093
Geert Uytterhoevena2864082008-02-06 01:39:35 -08001094 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001095
1096 status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
Geert Uytterhoevene78d0c52009-06-10 04:38:46 +00001097 xdr_lpar, ps3fb_videomemory.size,
1098 CBE_IOPTE_PP_W | CBE_IOPTE_PP_R |
1099 CBE_IOPTE_M);
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001100 if (status) {
1101 dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n",
1102 __func__, status);
1103 retval = -ENXIO;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001104 goto err_free_irq;
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001105 }
1106
1107 dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n",
1108 ps3fb_videomemory.address, GPU_IOIF, xdr_lpar,
1109 ps3fb_videomemory.size);
1110
Geert Uytterhoevend3352c92009-06-10 04:38:48 +00001111 status = lv1_gpu_fb_setup(ps3fb.context_handle, xdr_lpar,
1112 GPU_CMD_BUF_SIZE, GPU_IOIF);
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001113 if (status) {
Geert Uytterhoevend3352c92009-06-10 04:38:48 +00001114 dev_err(&dev->core, "%s: lv1_gpu_fb_setup failed: %d\n",
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001115 __func__, status);
1116 retval = -ENXIO;
Geert Uytterhoevene78d0c52009-06-10 04:38:46 +00001117 goto err_context_unmap;
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001118 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001119
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -07001120 info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
Peter Senna Tschudin8ead8a22012-09-18 14:07:59 +02001121 if (!info) {
1122 retval = -ENOMEM;
Geert Uytterhoevenc204ff62009-06-10 04:38:49 +00001123 goto err_context_fb_close;
Peter Senna Tschudin8ead8a22012-09-18 14:07:59 +02001124 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001125
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -07001126 par = info->par;
1127 par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */
1128 par->new_mode_id = ps3fb_mode;
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -07001129 par->num_frames = 1;
1130
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001131 info->fbops = &ps3fb_ops;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001132 info->fix = ps3fb_fix;
Geert Uytterhoevena2864082008-02-06 01:39:35 -08001133
1134 /*
1135 * The GPU command buffer is at the start of video memory
1136 * As we don't use the full command buffer, we can put the actual
1137 * frame buffer at offset GPU_FB_START and save some precious XDR
1138 * memory
1139 */
1140 fb_start = ps3fb_videomemory.address + GPU_FB_START;
1141 info->screen_base = (char __force __iomem *)fb_start;
Michael Ellermanf6b3df62012-07-25 21:19:59 +00001142 info->fix.smem_start = __pa(fb_start);
Geert Uytterhoevena2864082008-02-06 01:39:35 -08001143 info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START;
1144
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -07001145 info->pseudo_palette = par->pseudo_palette;
Geert Uytterhoevenfc7028b72007-10-16 01:29:50 -07001146 info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1147 FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001148
1149 retval = fb_alloc_cmap(&info->cmap, 256, 0);
1150 if (retval < 0)
1151 goto err_framebuffer_release;
1152
1153 if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
Geert Uytterhoeven0333d8352007-10-16 01:29:48 -07001154 ARRAY_SIZE(ps3fb_modedb),
Geert Uytterhoeven34c422f2008-02-06 01:39:34 -08001155 ps3fb_vmode(par->new_mode_id), 32)) {
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001156 retval = -EINVAL;
1157 goto err_fb_dealloc;
1158 }
1159
1160 fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1161 &info->modelist);
1162
1163 retval = register_framebuffer(info);
1164 if (retval < 0)
1165 goto err_fb_dealloc;
1166
Geert Uytterhoevencd4a1572009-06-10 04:38:57 +00001167 ps3_system_bus_set_drvdata(dev, info);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001168
Geert Uytterhoevena2864082008-02-06 01:39:35 -08001169 dev_info(info->device, "%s %s, using %u KiB of video memory\n",
Kay Sievers7ad33e72009-03-24 16:38:21 -07001170 dev_driver_string(info->dev), dev_name(info->dev),
Geert Uytterhoevena2864082008-02-06 01:39:35 -08001171 info->fix.smem_len >> 10);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001172
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001173 task = kthread_run(ps3fbd, info, DEVICE_NAME);
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +02001174 if (IS_ERR(task)) {
1175 retval = PTR_ERR(task);
1176 goto err_unregister_framebuffer;
1177 }
1178
1179 ps3fb.task = task;
1180
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001181 return 0;
1182
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +02001183err_unregister_framebuffer:
1184 unregister_framebuffer(info);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001185err_fb_dealloc:
1186 fb_dealloc_cmap(&info->cmap);
1187err_framebuffer_release:
1188 framebuffer_release(info);
Geert Uytterhoevenc204ff62009-06-10 04:38:49 +00001189err_context_fb_close:
1190 lv1_gpu_fb_close(ps3fb.context_handle);
Geert Uytterhoevene78d0c52009-06-10 04:38:46 +00001191err_context_unmap:
1192 lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar,
1193 ps3fb_videomemory.size, CBE_IOPTE_M);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001194err_free_irq:
Geoff Levandfcbe6e92007-12-19 11:17:31 +01001195 free_irq(ps3fb.irq_no, &dev->core);
Geert Uytterhoevenbb94f072009-06-10 04:38:43 +00001196err_destroy_plug:
Geoff Levanddc4f60c2007-05-01 07:01:01 +10001197 ps3_irq_plug_destroy(ps3fb.irq_no);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001198err_iounmap_dinfo:
Geert Uytterhoevena2864082008-02-06 01:39:35 -08001199 iounmap((u8 __force __iomem *)ps3fb.dinfo);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001200err_gpu_context_free:
1201 lv1_gpu_context_free(ps3fb.context_handle);
1202err_gpu_memory_free:
1203 lv1_gpu_memory_free(ps3fb.memory_handle);
Geert Uytterhoevenca971ea2009-06-10 04:38:44 +00001204err_close_device:
1205 ps3_close_hv_device(dev);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001206err:
1207 return retval;
1208}
1209
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001210static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001211{
Geert Uytterhoevencd4a1572009-06-10 04:38:57 +00001212 struct fb_info *info = ps3_system_bus_get_drvdata(dev);
Geert Uytterhoevene78d0c52009-06-10 04:38:46 +00001213 u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001214
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -07001215 dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001216
Geert Uytterhoeven9b82f3e2008-10-30 08:12:58 +00001217 atomic_inc(&ps3fb.ext_flip); /* flip off */
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001218 ps3fb.dinfo->irq.mask = 0;
1219
Geert Uytterhoeven1c0c8462007-05-02 14:48:31 +02001220 if (ps3fb.task) {
1221 struct task_struct *task = ps3fb.task;
1222 ps3fb.task = NULL;
1223 kthread_stop(task);
1224 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001225 if (ps3fb.irq_no) {
Geoff Levandfcbe6e92007-12-19 11:17:31 +01001226 free_irq(ps3fb.irq_no, &dev->core);
Geoff Levanddc4f60c2007-05-01 07:01:01 +10001227 ps3_irq_plug_destroy(ps3fb.irq_no);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001228 }
Jeremy Kerrba216112008-01-11 14:27:10 +01001229 if (info) {
1230 unregister_framebuffer(info);
1231 fb_dealloc_cmap(&info->cmap);
1232 framebuffer_release(info);
Geert Uytterhoevencd4a1572009-06-10 04:38:57 +00001233 ps3_system_bus_set_drvdata(dev, NULL);
Jeremy Kerrba216112008-01-11 14:27:10 +01001234 }
Geert Uytterhoevena2864082008-02-06 01:39:35 -08001235 iounmap((u8 __force __iomem *)ps3fb.dinfo);
Geert Uytterhoevenc204ff62009-06-10 04:38:49 +00001236 lv1_gpu_fb_close(ps3fb.context_handle);
Geert Uytterhoevene78d0c52009-06-10 04:38:46 +00001237 lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar,
1238 ps3fb_videomemory.size, CBE_IOPTE_M);
Geert Uytterhoeven02aad322009-06-10 04:38:42 +00001239 lv1_gpu_context_free(ps3fb.context_handle);
1240 lv1_gpu_memory_free(ps3fb.memory_handle);
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001241 ps3_close_hv_device(dev);
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -07001242 dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001243
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001244 return 0;
1245}
1246
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001247static struct ps3_system_bus_driver ps3fb_driver = {
Geert Uytterhoeven46d01492008-12-03 13:52:21 +00001248 .match_id = PS3_MATCH_ID_GPU,
1249 .match_sub_id = PS3_MATCH_SUB_ID_GPU_FB,
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001250 .core.name = DEVICE_NAME,
1251 .core.owner = THIS_MODULE,
1252 .probe = ps3fb_probe,
1253 .remove = ps3fb_shutdown,
1254 .shutdown = ps3fb_shutdown,
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001255};
1256
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001257static int __init ps3fb_setup(void)
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001258{
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001259 char *options;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001260
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001261#ifdef MODULE
1262 return 0;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001263#endif
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001264
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001265 if (fb_get_options(DEVICE_NAME, &options))
1266 return -ENXIO;
1267
1268 if (!options || !*options)
1269 return 0;
1270
1271 while (1) {
1272 char *this_opt = strsep(&options, ",");
1273
1274 if (!this_opt)
1275 break;
1276 if (!*this_opt)
1277 continue;
1278 if (!strncmp(this_opt, "mode:", 5))
1279 ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1280 else
1281 mode_option = this_opt;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001282 }
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001283 return 0;
1284}
1285
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001286static int __init ps3fb_init(void)
1287{
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001288 if (!ps3fb_videomemory.address || ps3fb_setup())
1289 return -ENXIO;
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001290
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001291 return ps3_system_bus_driver_register(&ps3fb_driver);
1292}
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001293
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001294static void __exit ps3fb_exit(void)
1295{
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -07001296 pr_debug(" -> %s:%d\n", __func__, __LINE__);
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001297 ps3_system_bus_driver_unregister(&ps3fb_driver);
Geert Uytterhoeven535da7f2007-10-16 01:29:45 -07001298 pr_debug(" <- %s:%d\n", __func__, __LINE__);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001299}
1300
1301module_init(ps3fb_init);
Geert Uytterhoeven310d8c12007-02-12 00:55:23 -08001302module_exit(ps3fb_exit);
1303
1304MODULE_LICENSE("GPL");
Geert Uytterhoeven9e6b99b2007-06-16 08:05:38 +10001305MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1306MODULE_AUTHOR("Sony Computer Entertainment Inc.");
Geert Uytterhoeven46d01492008-12-03 13:52:21 +00001307MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_FB);