12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229 |
- /*
- * linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
- *
- * Copyright (C) 2006 Sony Computer Entertainment Inc.
- * Copyright 2006, 2007 Sony Corporation
- *
- * This file is based on :
- *
- * linux/drivers/video/vfb.c -- Virtual frame buffer device
- *
- * Copyright (C) 2002 James Simmons
- *
- * Copyright (C) 1997 Geert Uytterhoeven
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive for
- * more details.
- */
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/errno.h>
- #include <linux/string.h>
- #include <linux/mm.h>
- #include <linux/tty.h>
- #include <linux/slab.h>
- #include <linux/vmalloc.h>
- #include <linux/delay.h>
- #include <linux/interrupt.h>
- #include <linux/platform_device.h>
- #include <linux/console.h>
- #include <linux/ioctl.h>
- #include <linux/notifier.h>
- #include <linux/reboot.h>
- #include <asm/uaccess.h>
- #include <linux/fb.h>
- #include <linux/init.h>
- #include <asm/time.h>
- #include <asm/abs_addr.h>
- #include <asm/lv1call.h>
- #include <asm/ps3av.h>
- #include <asm/ps3fb.h>
- #include <asm/ps3.h>
- #ifdef PS3FB_DEBUG
- #define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
- #else
- #define DPRINTK(fmt, args...)
- #endif
- #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC 0x101
- #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP 0x102
- #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP 0x600
- #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601
- #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC 0x602
- #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32)
- #define L1GPU_DISPLAY_SYNC_HSYNC 1
- #define L1GPU_DISPLAY_SYNC_VSYNC 2
- #define DDR_SIZE (0) /* used no ddr */
- #define GPU_OFFSET (64 * 1024)
- #define GPU_IOIF (0x0d000000UL)
- #define PS3FB_FULL_MODE_BIT 0x80
- #define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */
- #define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */
- #define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */
- #define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */
- #define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */
- #define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */
- #define GPU_DRIVER_INFO_VERSION 0x211
- /* gpu internals */
- struct display_head {
- u64 be_time_stamp;
- u32 status;
- u32 offset;
- u32 res1;
- u32 res2;
- u32 field;
- u32 reserved1;
- u64 res3;
- u32 raster;
- u64 vblank_count;
- u32 field_vsync;
- u32 reserved2;
- };
- struct gpu_irq {
- u32 irq_outlet;
- u32 status;
- u32 mask;
- u32 video_cause;
- u32 graph_cause;
- u32 user_cause;
- u32 res1;
- u64 res2;
- u32 reserved[4];
- };
- struct gpu_driver_info {
- u32 version_driver;
- u32 version_gpu;
- u32 memory_size;
- u32 hardware_channel;
- u32 nvcore_frequency;
- u32 memory_frequency;
- u32 reserved[1063];
- struct display_head display_head[8];
- struct gpu_irq irq;
- };
- struct ps3fb_priv {
- unsigned int irq_no;
- void *dev;
- u64 context_handle, memory_handle;
- void *xdr_ea;
- struct gpu_driver_info *dinfo;
- struct semaphore sem;
- u32 res_index;
- u64 vblank_count; /* frame count */
- wait_queue_head_t wait_vsync;
- u32 num_frames; /* num of frame buffers */
- atomic_t ext_flip; /* on/off flip with vsync */
- atomic_t f_count; /* fb_open count */
- int is_blanked;
- };
- static struct ps3fb_priv ps3fb;
- struct ps3fb_res_table {
- u32 xres;
- u32 yres;
- u32 xoff;
- u32 yoff;
- u32 type;
- };
- #define PS3FB_RES_FULL 1
- static const struct ps3fb_res_table ps3fb_res[] = {
- /* res_x,y margin_x,y full */
- { 720, 480, 72, 48 , 0},
- { 720, 576, 72, 58 , 0},
- { 1280, 720, 78, 38 , 0},
- { 1920, 1080, 116, 58 , 0},
- /* full mode */
- { 720, 480, 0, 0 , PS3FB_RES_FULL},
- { 720, 576, 0, 0 , PS3FB_RES_FULL},
- { 1280, 720, 0, 0 , PS3FB_RES_FULL},
- { 1920, 1080, 0, 0 , PS3FB_RES_FULL},
- /* vesa: normally full mode */
- { 1280, 768, 0, 0 , 0},
- { 1280, 1024, 0, 0 , 0},
- { 1920, 1200, 0, 0 , 0},
- { 0, 0, 0, 0 , 0} };
- /* default resolution */
- #define GPU_RES_INDEX 0 /* 720 x 480 */
- static const struct fb_videomode ps3fb_modedb[] = {
- /* 60 Hz broadcast modes (modes "1" to "5") */
- {
- /* 480i */
- "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
- }, {
- /* 480p */
- "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }, {
- /* 720p */
- "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }, {
- /* 1080i */
- "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
- }, {
- /* 1080p */
- "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- },
- /* 50 Hz broadcast modes (modes "6" to "10") */
- {
- /* 576i */
- "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
- }, {
- /* 576p */
- "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }, {
- /* 720p */
- "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }, {
- /* 1080 */
- "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
- }, {
- /* 1080p */
- "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- },
- /* VESA modes (modes "11" to "13") */
- {
- /* WXGA */
- "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
- 0, FB_VMODE_NONINTERLACED,
- FB_MODE_IS_VESA
- }, {
- /* SXGA */
- "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
- FB_MODE_IS_VESA
- }, {
- /* WUXGA */
- "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
- FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
- FB_MODE_IS_VESA
- },
- /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
- {
- /* 480if */
- "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
- }, {
- /* 480pf */
- "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }, {
- /* 720pf */
- "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }, {
- /* 1080if */
- "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
- }, {
- /* 1080pf */
- "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- },
- /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
- {
- /* 576if */
- "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
- }, {
- /* 576pf */
- "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }, {
- /* 720pf */
- "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }, {
- /* 1080if */
- "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
- }, {
- /* 1080pf */
- "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
- }
- };
- #define HEAD_A
- #define HEAD_B
- #define X_OFF(i) (ps3fb_res[i].xoff) /* left/right margin (pixel) */
- #define Y_OFF(i) (ps3fb_res[i].yoff) /* top/bottom margin (pixel) */
- #define WIDTH(i) (ps3fb_res[i].xres) /* width of FB */
- #define HEIGHT(i) (ps3fb_res[i].yres) /* height of FB */
- #define BPP 4 /* number of bytes per pixel */
- #define VP_OFF(i) (WIDTH(i) * Y_OFF(i) * BPP + X_OFF(i) * BPP)
- #define FB_OFF(i) (GPU_OFFSET - VP_OFF(i) % GPU_OFFSET)
- static int ps3fb_mode = 0;
- module_param(ps3fb_mode, bool, 0);
- static char *mode_option __initdata = NULL;
- static int ps3fb_get_res_table(u32 xres, u32 yres)
- {
- int full_mode;
- unsigned int i;
- u32 x, y, f;
- full_mode = (ps3fb_mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
- for (i = 0;; i++) {
- x = ps3fb_res[i].xres;
- y = ps3fb_res[i].yres;
- f = ps3fb_res[i].type;
- if (!x) {
- DPRINTK("ERROR: ps3fb_get_res_table()\n");
- return -1;
- }
- if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
- continue;
- if (x == xres && (yres == 0 || y == yres))
- break;
- x = x - 2 * ps3fb_res[i].xoff;
- y = y - 2 * ps3fb_res[i].yoff;
- if (x == xres && (yres == 0 || y == yres))
- break;
- }
- return i;
- }
- static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
- u32 *line_length)
- {
- unsigned int i, mode;
- for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
- if (var->xres == ps3fb_modedb[i].xres &&
- var->yres == ps3fb_modedb[i].yres &&
- var->pixclock == ps3fb_modedb[i].pixclock &&
- var->hsync_len == ps3fb_modedb[i].hsync_len &&
- var->vsync_len == ps3fb_modedb[i].vsync_len &&
- var->left_margin == ps3fb_modedb[i].left_margin &&
- var->right_margin == ps3fb_modedb[i].right_margin &&
- var->upper_margin == ps3fb_modedb[i].upper_margin &&
- var->lower_margin == ps3fb_modedb[i].lower_margin &&
- var->sync == ps3fb_modedb[i].sync &&
- (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) {
- /* Cropped broadcast modes use the full line_length */
- *line_length =
- ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4;
- /* Full broadcast modes have the full mode bit set */
- mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
- DPRINTK("ps3fb_find_mode: mode %u\n", mode);
- return mode;
- }
- DPRINTK("ps3fb_find_mode: mode not found\n");
- return 0;
- }
- static const struct fb_videomode *ps3fb_default_mode(void)
- {
- u32 mode = ps3fb_mode & PS3AV_MODE_MASK;
- u32 flags;
- if (mode < 1 || mode > 13)
- return NULL;
- flags = ps3fb_mode & ~PS3AV_MODE_MASK;
- if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
- /* Full broadcast mode */
- return &ps3fb_modedb[mode + 12];
- }
- return &ps3fb_modedb[mode - 1];
- }
- static int ps3fb_sync(u32 frame)
- {
- int i, status;
- u32 xres, yres;
- u64 fb_ioif, offset;
- i = ps3fb.res_index;
- xres = ps3fb_res[i].xres;
- yres = ps3fb_res[i].yres;
- if (frame > ps3fb.num_frames - 1) {
- printk(KERN_WARNING "%s: invalid frame number (%u)\n",
- __FUNCTION__, frame);
- return -EINVAL;
- }
- offset = xres * yres * BPP * frame;
- fb_ioif = GPU_IOIF + FB_OFF(i) + offset;
- status = lv1_gpu_context_attribute(ps3fb.context_handle,
- L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
- offset, fb_ioif,
- L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
- (xres << 16) | yres,
- xres * BPP); /* line_length */
- if (status)
- printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
- __FUNCTION__, status);
- #ifdef HEAD_A
- status = lv1_gpu_context_attribute(ps3fb.context_handle,
- L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
- 0, offset, 0, 0);
- if (status)
- printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
- __FUNCTION__, status);
- #endif
- #ifdef HEAD_B
- status = lv1_gpu_context_attribute(ps3fb.context_handle,
- L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
- 1, offset, 0, 0);
- if (status)
- printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
- __FUNCTION__, status);
- #endif
- return 0;
- }
- static int ps3fb_open(struct fb_info *info, int user)
- {
- atomic_inc(&ps3fb.f_count);
- return 0;
- }
- static int ps3fb_release(struct fb_info *info, int user)
- {
- if (atomic_dec_and_test(&ps3fb.f_count)) {
- if (atomic_read(&ps3fb.ext_flip)) {
- atomic_set(&ps3fb.ext_flip, 0);
- ps3fb_sync(0); /* single buffer */
- }
- }
- return 0;
- }
- /*
- * Setting the video mode has been split into two parts.
- * First part, xxxfb_check_var, must not write anything
- * to hardware, it should only verify and adjust var.
- * This means it doesn't alter par but it does use hardware
- * data from it to check this var.
- */
- static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
- {
- u32 line_length;
- int mode;
- int i;
- DPRINTK("var->xres:%u info->var.xres:%u\n", var->xres, info->var.xres);
- DPRINTK("var->yres:%u info->var.yres:%u\n", var->yres, info->var.yres);
- /* FIXME For now we do exact matches only */
- mode = ps3fb_find_mode(var, &line_length);
- if (!mode)
- return -EINVAL;
- /*
- * FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal!
- * as FB_VMODE_SMOOTH_XPAN is only used internally
- */
- if (var->vmode & FB_VMODE_CONUPDATE) {
- var->vmode |= FB_VMODE_YWRAP;
- var->xoffset = info->var.xoffset;
- var->yoffset = info->var.yoffset;
- }
- /* Virtual screen and panning are not supported */
- if (var->xres_virtual > var->xres || var->yres_virtual > var->yres ||
- var->xoffset || var->yoffset) {
- DPRINTK("Virtual screen and panning are not supported\n");
- return -EINVAL;
- }
- var->xres_virtual = var->xres;
- var->yres_virtual = var->yres;
- /* We support ARGB8888 only */
- if (var->bits_per_pixel > 32 || var->grayscale ||
- var->red.offset > 16 || var->green.offset > 8 ||
- var->blue.offset > 0 || var->transp.offset > 24 ||
- var->red.length > 8 || var->green.length > 8 ||
- var->blue.length > 8 || var->transp.length > 8 ||
- var->red.msb_right || var->green.msb_right ||
- var->blue.msb_right || var->transp.msb_right || var->nonstd) {
- DPRINTK("We support ARGB8888 only\n");
- return -EINVAL;
- }
- var->bits_per_pixel = 32;
- var->red.offset = 16;
- var->green.offset = 8;
- var->blue.offset = 0;
- var->transp.offset = 24;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 8;
- var->red.msb_right = 0;
- var->green.msb_right = 0;
- var->blue.msb_right = 0;
- var->transp.msb_right = 0;
- /* Rotation is not supported */
- if (var->rotate) {
- DPRINTK("Rotation is not supported\n");
- return -EINVAL;
- }
- /* Memory limit */
- i = ps3fb_get_res_table(var->xres, var->yres);
- if (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP > ps3fb_videomemory.size) {
- DPRINTK("Not enough memory\n");
- return -ENOMEM;
- }
- var->height = -1;
- var->width = -1;
- return 0;
- }
- /*
- * This routine actually sets the video mode.
- */
- static int ps3fb_set_par(struct fb_info *info)
- {
- unsigned int mode;
- int i;
- unsigned long offset;
- static int first = 1;
- DPRINTK("xres:%d xv:%d yres:%d yv:%d clock:%d\n",
- info->var.xres, info->var.xres_virtual,
- info->var.yres, info->var.yres_virtual, info->var.pixclock);
- i = ps3fb_get_res_table(info->var.xres, info->var.yres);
- ps3fb.res_index = i;
- mode = ps3fb_find_mode(&info->var, &info->fix.line_length);
- if (!mode)
- return -EINVAL;
- offset = FB_OFF(i) + VP_OFF(i);
- info->fix.smem_len = ps3fb_videomemory.size - offset;
- info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset;
- memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
- ps3fb.num_frames = ps3fb_videomemory.size/
- (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP);
- /* Keep the special bits we cannot set using fb_var_screeninfo */
- ps3fb_mode = (ps3fb_mode & ~PS3AV_MODE_MASK) | mode;
- if (ps3av_set_video_mode(ps3fb_mode, first))
- return -EINVAL;
- first = 0;
- return 0;
- }
- /*
- * Set a single color register. The values supplied are already
- * rounded down to the hardware's capabilities (according to the
- * entries in the var structure). Return != 0 for invalid regno.
- */
- static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
- unsigned int green, unsigned int blue,
- unsigned int transp, struct fb_info *info)
- {
- if (regno >= 16)
- return 1;
- red >>= 8;
- green >>= 8;
- blue >>= 8;
- transp >>= 8;
- ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
- green << 8 | blue;
- return 0;
- }
- /*
- * As we have a virtual frame buffer, we need our own mmap function
- */
- static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
- {
- unsigned long size, offset;
- int i;
- i = ps3fb_get_res_table(info->var.xres, info->var.yres);
- if (i == -1)
- return -EINVAL;
- size = vma->vm_end - vma->vm_start;
- offset = vma->vm_pgoff << PAGE_SHIFT;
- if (offset + size > info->fix.smem_len)
- return -EINVAL;
- offset += info->fix.smem_start + FB_OFF(i) + VP_OFF(i);
- if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
- size, vma->vm_page_prot))
- return -EAGAIN;
- printk(KERN_DEBUG "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", offset,
- vma->vm_start);
- return 0;
- }
- /*
- * Blank the display
- */
- static int ps3fb_blank(int blank, struct fb_info *info)
- {
- int retval;
- DPRINTK("%s: blank:%d\n", __FUNCTION__, blank);
- switch (blank) {
- case FB_BLANK_POWERDOWN:
- case FB_BLANK_HSYNC_SUSPEND:
- case FB_BLANK_VSYNC_SUSPEND:
- case FB_BLANK_NORMAL:
- retval = ps3av_video_mute(1); /* mute on */
- if (!retval)
- ps3fb.is_blanked = 1;
- break;
- default: /* unblank */
- retval = ps3av_video_mute(0); /* mute off */
- if (!retval)
- ps3fb.is_blanked = 0;
- break;
- }
- return retval;
- }
- static int ps3fb_get_vblank(struct fb_vblank *vblank)
- {
- memset(vblank, 0, sizeof(&vblank));
- vblank->flags = FB_VBLANK_HAVE_VSYNC;
- return 0;
- }
- int ps3fb_wait_for_vsync(u32 crtc)
- {
- int ret;
- u64 count;
- count = ps3fb.vblank_count;
- ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
- count != ps3fb.vblank_count,
- HZ / 10);
- if (!ret)
- return -ETIMEDOUT;
- return 0;
- }
- EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync);
- void ps3fb_flip_ctl(int on)
- {
- if (on) {
- if (atomic_read(&ps3fb.ext_flip) > 0) {
- atomic_dec(&ps3fb.ext_flip);
- }
- } else {
- atomic_inc(&ps3fb.ext_flip);
- }
- }
- EXPORT_SYMBOL_GPL(ps3fb_flip_ctl);
- /*
- * ioctl
- */
- static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
- unsigned long arg)
- {
- void __user *argp = (void __user *)arg;
- u32 val, old_mode;
- int retval = -EFAULT;
- switch (cmd) {
- case FBIOGET_VBLANK:
- {
- struct fb_vblank vblank;
- DPRINTK("FBIOGET_VBLANK:\n");
- retval = ps3fb_get_vblank(&vblank);
- if (retval)
- break;
- if (copy_to_user(argp, &vblank, sizeof(vblank)))
- retval = -EFAULT;
- break;
- }
- case FBIO_WAITFORVSYNC:
- {
- u32 crt;
- DPRINTK("FBIO_WAITFORVSYNC:\n");
- if (get_user(crt, (u32 __user *) arg))
- break;
- retval = ps3fb_wait_for_vsync(crt);
- break;
- }
- case PS3FB_IOCTL_SETMODE:
- {
- const struct fb_videomode *mode;
- struct fb_var_screeninfo var;
- if (copy_from_user(&val, argp, sizeof(val)))
- break;
- DPRINTK("PS3FB_IOCTL_SETMODE:%x\n", val);
- retval = -EINVAL;
- old_mode = ps3fb_mode;
- ps3fb_mode = val;
- mode = ps3fb_default_mode();
- if (mode) {
- var = info->var;
- fb_videomode_to_var(&var, mode);
- acquire_console_sem();
- info->flags |= FBINFO_MISC_USEREVENT;
- /* Force, in case only special bits changed */
- var.activate |= FB_ACTIVATE_FORCE;
- retval = fb_set_var(info, &var);
- info->flags &= ~FBINFO_MISC_USEREVENT;
- release_console_sem();
- }
- if (retval)
- ps3fb_mode = old_mode;
- break;
- }
- case PS3FB_IOCTL_GETMODE:
- val = ps3av_get_mode();
- DPRINTK("PS3FB_IOCTL_GETMODE:%x\n", val);
- if (!copy_to_user(argp, &val, sizeof(val)))
- retval = 0;
- break;
- case PS3FB_IOCTL_SCREENINFO:
- {
- struct ps3fb_ioctl_res res;
- int i = ps3fb.res_index;
- DPRINTK("PS3FB_IOCTL_SCREENINFO:\n");
- res.xres = ps3fb_res[i].xres;
- res.yres = ps3fb_res[i].yres;
- res.xoff = ps3fb_res[i].xoff;
- res.yoff = ps3fb_res[i].yoff;
- res.num_frames = ps3fb.num_frames;
- if (!copy_to_user(argp, &res, sizeof(res)))
- retval = 0;
- break;
- }
- case PS3FB_IOCTL_ON:
- DPRINTK("PS3FB_IOCTL_ON:\n");
- atomic_inc(&ps3fb.ext_flip);
- retval = 0;
- break;
- case PS3FB_IOCTL_OFF:
- DPRINTK("PS3FB_IOCTL_OFF:\n");
- if (atomic_read(&ps3fb.ext_flip) > 0)
- atomic_dec(&ps3fb.ext_flip);
- retval = 0;
- break;
- case PS3FB_IOCTL_FSEL:
- if (copy_from_user(&val, argp, sizeof(val)))
- break;
- DPRINTK("PS3FB_IOCTL_FSEL:%d\n", val);
- retval = ps3fb_sync(val);
- break;
- default:
- retval = -ENOIOCTLCMD;
- break;
- }
- return retval;
- }
- static int ps3fbd(void *arg)
- {
- daemonize("ps3fbd");
- for (;;) {
- down(&ps3fb.sem);
- if (atomic_read(&ps3fb.ext_flip) == 0)
- ps3fb_sync(0); /* single buffer */
- }
- return 0;
- }
- static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
- {
- u64 v1;
- int status;
- struct display_head *head = &ps3fb.dinfo->display_head[1];
- status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
- if (status) {
- printk(KERN_ERR "%s: lv1_gpu_context_intr failed: %d\n",
- __FUNCTION__, status);
- return IRQ_NONE;
- }
- if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
- /* VSYNC */
- ps3fb.vblank_count = head->vblank_count;
- if (!ps3fb.is_blanked)
- up(&ps3fb.sem);
- wake_up_interruptible(&ps3fb.wait_vsync);
- }
- return IRQ_HANDLED;
- }
- #ifndef MODULE
- static int __init ps3fb_setup(char *options)
- {
- char *this_opt;
- int mode = 0;
- if (!options || !*options)
- return 0; /* no options */
- while ((this_opt = strsep(&options, ",")) != NULL) {
- if (!*this_opt)
- continue;
- if (!strncmp(this_opt, "mode:", 5))
- mode = simple_strtoul(this_opt + 5, NULL, 0);
- else
- mode_option = this_opt;
- }
- return mode;
- }
- #endif /* MODULE */
- /*
- * Initialisation
- */
- static void ps3fb_platform_release(struct device *device)
- {
- /* This is called when the reference count goes to zero. */
- }
- static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev)
- {
- int error;
- DPRINTK("version_driver:%x\n", dinfo->version_driver);
- DPRINTK("irq outlet:%x\n", dinfo->irq.irq_outlet);
- DPRINTK("version_gpu:%x memory_size:%x ch:%x core_freq:%d mem_freq:%d\n",
- dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
- dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
- if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
- printk(KERN_ERR "%s: version_driver err:%x\n", __FUNCTION__,
- dinfo->version_driver);
- return -EINVAL;
- }
- ps3fb.dev = dev;
- error = ps3_alloc_irq(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
- &ps3fb.irq_no);
- if (error) {
- printk(KERN_ERR "%s: ps3_alloc_irq failed %d\n", __FUNCTION__,
- error);
- return error;
- }
- error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
- "ps3fb vsync", ps3fb.dev);
- if (error) {
- printk(KERN_ERR "%s: request_irq failed %d\n", __FUNCTION__,
- error);
- ps3_free_irq(ps3fb.irq_no);
- return error;
- }
- dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
- (1 << GPU_INTR_STATUS_FLIP_1);
- return 0;
- }
- static int ps3fb_xdr_settings(u64 xdr_lpar)
- {
- int status;
- status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
- xdr_lpar, ps3fb_videomemory.size, 0);
- if (status) {
- printk(KERN_ERR "%s: lv1_gpu_context_iomap failed: %d\n",
- __FUNCTION__, status);
- return -ENXIO;
- }
- DPRINTK("video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
- ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
- virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
- status = lv1_gpu_context_attribute(ps3fb.context_handle,
- L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
- xdr_lpar, ps3fb_videomemory.size,
- GPU_IOIF, 0);
- if (status) {
- printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
- __FUNCTION__, status);
- return -ENXIO;
- }
- return 0;
- }
- static struct fb_ops ps3fb_ops = {
- .fb_open = ps3fb_open,
- .fb_release = ps3fb_release,
- .fb_check_var = ps3fb_check_var,
- .fb_set_par = ps3fb_set_par,
- .fb_setcolreg = ps3fb_setcolreg,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_mmap = ps3fb_mmap,
- .fb_blank = ps3fb_blank,
- .fb_ioctl = ps3fb_ioctl,
- .fb_compat_ioctl = ps3fb_ioctl
- };
- static struct fb_fix_screeninfo ps3fb_fix __initdata = {
- .id = "PS3 FB",
- .type = FB_TYPE_PACKED_PIXELS,
- .visual = FB_VISUAL_TRUECOLOR,
- .accel = FB_ACCEL_NONE,
- };
- static int __init ps3fb_probe(struct platform_device *dev)
- {
- struct fb_info *info;
- int retval = -ENOMEM;
- u64 ddr_lpar = 0;
- u64 lpar_dma_control = 0;
- u64 lpar_driver_info = 0;
- u64 lpar_reports = 0;
- u64 lpar_reports_size = 0;
- u64 xdr_lpar;
- int status;
- unsigned long offset;
- /* get gpu context handle */
- status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
- &ps3fb.memory_handle, &ddr_lpar);
- if (status) {
- printk(KERN_ERR "%s: lv1_gpu_memory_allocate failed: %d\n",
- __FUNCTION__, status);
- goto err;
- }
- DPRINTK("ddr:lpar:0x%lx\n", ddr_lpar);
- status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
- &ps3fb.context_handle,
- &lpar_dma_control, &lpar_driver_info,
- &lpar_reports, &lpar_reports_size);
- if (status) {
- printk(KERN_ERR "%s: lv1_gpu_context_attribute failed: %d\n",
- __FUNCTION__, status);
- goto err_gpu_memory_free;
- }
- /* vsync interrupt */
- ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
- if (!ps3fb.dinfo) {
- printk(KERN_ERR "%s: ioremap failed\n", __FUNCTION__);
- goto err_gpu_context_free;
- }
- retval = ps3fb_vsync_settings(ps3fb.dinfo, dev);
- if (retval)
- goto err_iounmap_dinfo;
- /* xdr frame buffer */
- ps3fb.xdr_ea = ps3fb_videomemory.address;
- xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
- retval = ps3fb_xdr_settings(xdr_lpar);
- if (retval)
- goto err_free_irq;
- /*
- * ps3fb must clear memory to prevent kernel info
- * leakage into userspace
- */
- memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
- info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
- if (!info)
- goto err_free_irq;
- offset = FB_OFF(ps3fb.res_index) + VP_OFF(ps3fb.res_index);
- info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset;
- info->fbops = &ps3fb_ops;
- info->fix = ps3fb_fix;
- info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
- info->fix.smem_len = ps3fb_videomemory.size - offset;
- info->pseudo_palette = info->par;
- info->par = NULL;
- info->flags = FBINFO_FLAG_DEFAULT;
- retval = fb_alloc_cmap(&info->cmap, 256, 0);
- if (retval < 0)
- goto err_framebuffer_release;
- if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
- ARRAY_SIZE(ps3fb_modedb), ps3fb_default_mode(), 32)) {
- retval = -EINVAL;
- goto err_fb_dealloc;
- }
- fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
- &info->modelist);
- retval = register_framebuffer(info);
- if (retval < 0)
- goto err_fb_dealloc;
- platform_set_drvdata(dev, info);
- printk(KERN_INFO
- "fb%d: PS3 frame buffer device, using %ld KiB of video memory\n",
- info->node, ps3fb_videomemory.size >> 10);
- kernel_thread(ps3fbd, info, CLONE_KERNEL);
- return 0;
- err_fb_dealloc:
- fb_dealloc_cmap(&info->cmap);
- err_framebuffer_release:
- framebuffer_release(info);
- err_free_irq:
- free_irq(ps3fb.irq_no, ps3fb.dev);
- ps3_free_irq(ps3fb.irq_no);
- err_iounmap_dinfo:
- iounmap((u8 __iomem *)ps3fb.dinfo);
- err_gpu_context_free:
- lv1_gpu_context_free(ps3fb.context_handle);
- err_gpu_memory_free:
- lv1_gpu_memory_free(ps3fb.memory_handle);
- err:
- return retval;
- }
- static void ps3fb_shutdown(struct platform_device *dev)
- {
- ps3fb_flip_ctl(0); /* flip off */
- ps3fb.dinfo->irq.mask = 0;
- free_irq(ps3fb.irq_no, ps3fb.dev);
- ps3_free_irq(ps3fb.irq_no);
- iounmap((u8 __iomem *)ps3fb.dinfo);
- }
- void ps3fb_cleanup(void)
- {
- int status;
- if (ps3fb.irq_no) {
- free_irq(ps3fb.irq_no, ps3fb.dev);
- ps3_free_irq(ps3fb.irq_no);
- }
- iounmap((u8 __iomem *)ps3fb.dinfo);
- status = lv1_gpu_context_free(ps3fb.context_handle);
- if (status)
- DPRINTK("lv1_gpu_context_free failed: %d\n", status);
- status = lv1_gpu_memory_free(ps3fb.memory_handle);
- if (status)
- DPRINTK("lv1_gpu_memory_free failed: %d\n", status);
- ps3av_dev_close();
- }
- EXPORT_SYMBOL_GPL(ps3fb_cleanup);
- static int ps3fb_remove(struct platform_device *dev)
- {
- struct fb_info *info = platform_get_drvdata(dev);
- if (info) {
- unregister_framebuffer(info);
- fb_dealloc_cmap(&info->cmap);
- framebuffer_release(info);
- }
- ps3fb_cleanup();
- return 0;
- }
- static struct platform_driver ps3fb_driver = {
- .probe = ps3fb_probe,
- .remove = ps3fb_remove,
- .shutdown = ps3fb_shutdown,
- .driver = { .name = "ps3fb" }
- };
- static struct platform_device ps3fb_device = {
- .name = "ps3fb",
- .id = 0,
- .dev = { .release = ps3fb_platform_release }
- };
- int ps3fb_set_sync(void)
- {
- int status;
- #ifdef HEAD_A
- status = lv1_gpu_context_attribute(0x0,
- L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
- 0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
- if (status) {
- printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: %d\n",
- __FUNCTION__, status);
- return -1;
- }
- #endif
- #ifdef HEAD_B
- status = lv1_gpu_context_attribute(0x0,
- L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
- 1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
- if (status) {
- printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_MODE failed: %d\n",
- __FUNCTION__, status);
- return -1;
- }
- #endif
- return 0;
- }
- EXPORT_SYMBOL_GPL(ps3fb_set_sync);
- static int __init ps3fb_init(void)
- {
- int error;
- #ifndef MODULE
- int mode;
- char *option = NULL;
- if (fb_get_options("ps3fb", &option))
- goto err;
- #endif
- if (!ps3fb_videomemory.address)
- goto err;
- error = ps3av_dev_open();
- if (error) {
- printk(KERN_ERR "%s: ps3av_dev_open failed\n", __FUNCTION__);
- goto err;
- }
- ps3fb_mode = ps3av_get_mode();
- DPRINTK("ps3av_mode:%d\n", ps3fb_mode);
- #ifndef MODULE
- mode = ps3fb_setup(option); /* check boot option */
- if (mode)
- ps3fb_mode = mode;
- #endif
- if (ps3fb_mode > 0) {
- u32 xres, yres;
- ps3av_video_mode2res(ps3fb_mode, &xres, &yres);
- ps3fb.res_index = ps3fb_get_res_table(xres, yres);
- DPRINTK("res_index:%d\n", ps3fb.res_index);
- } else
- ps3fb.res_index = GPU_RES_INDEX;
- atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
- atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
- init_MUTEX(&ps3fb.sem);
- init_waitqueue_head(&ps3fb.wait_vsync);
- ps3fb.num_frames = 1;
- error = platform_driver_register(&ps3fb_driver);
- if (!error) {
- error = platform_device_register(&ps3fb_device);
- if (error)
- platform_driver_unregister(&ps3fb_driver);
- }
- ps3fb_set_sync();
- return error;
- err:
- return -ENXIO;
- }
- module_init(ps3fb_init);
- #ifdef MODULE
- static void __exit ps3fb_exit(void)
- {
- platform_device_unregister(&ps3fb_device);
- platform_driver_unregister(&ps3fb_driver);
- }
- module_exit(ps3fb_exit);
- MODULE_LICENSE("GPL");
- #endif /* MODULE */
|