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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 | #include<linux/kernel.h> #include<linux/module.h> #include<linux/errno.h> #include<linux/string.h> #include<linux/mm.h> #include<linux/slab.h> #include<linux/delay.h> #include<linux/fb.h> #include<linux/ioport.h> #include<linux/init.h> #include<linux/pci.h> #include<linux/mm_types.h> #include<linux/vmalloc.h> #include<linux/pagemap.h> #include<linux/screen_info.h> #include<linux/vmalloc.h> #include<linux/pagemap.h> #include <linux/console.h> #ifdef CONFIG_MTRR #include <asm/mtrr.h> #endif #include <asm/fb.h> #include "sm750.h" #include "sm750_hw.h" #include "sm750_accel.h" #include "sm750_cursor.h" #include "modedb.h" int smi_indent = 0; /* * #ifdef __BIG_ENDIAN * ssize_t lynxfb_ops_write(struct fb_info *info, const char __user *buf, * size_t count, loff_t *ppos); * ssize_t lynxfb_ops_read(struct fb_info *info, char __user *buf, * size_t count, loff_t *ppos); * #endif */ typedef void (*PROC_SPEC_SETUP)(struct lynx_share*, char *); typedef int (*PROC_SPEC_MAP)(struct lynx_share*, struct pci_dev*); typedef int (*PROC_SPEC_INITHW)(struct lynx_share*, struct pci_dev*); /* common var for all device */ static int g_hwcursor = 1; static int g_noaccel; #ifdef CONFIG_MTRR static int g_nomtrr; #endif static const char *g_fbmode[] = {NULL, NULL}; static const char *g_def_fbmode = "800x600-16@60"; static char *g_settings = NULL; static int g_dualview; static char *g_option = NULL; static const struct fb_videomode lynx750_ext[] = { /* 1024x600-60 VESA [1.71:1] */ {NULL, 60, 1024, 600, 20423, 144, 40, 18, 1, 104, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1024x600-70 VESA */ {NULL, 70, 1024, 600, 17211, 152, 48, 21, 1, 104, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1024x600-75 VESA */ {NULL, 75, 1024, 600, 15822, 160, 56, 23, 1, 104, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1024x600-85 VESA */ {NULL, 85, 1024, 600, 13730, 168, 56, 26, 1, 112, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 720x480 */ {NULL, 60, 720, 480, 37427, 88, 16, 13, 1, 72, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1280x720 [1.78:1] */ {NULL, 60, 1280, 720, 13426, 162, 86, 22, 1, 136, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1280x768@60 */ {NULL, 60, 1280, 768, 12579, 192, 64, 20, 3, 128, 7, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, {NULL, 60, 1360, 768, 11804, 208, 64, 23, 1, 144, 3, FB_SYNC_HOR_HIGH_ACT|FB_VMODE_NONINTERLACED}, /* 1360 x 768 [1.77083:1] */ {NULL, 60, 1360, 768, 11804, 208, 64, 23, 1, 144, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1368 x 768 [1.78:1] */ {NULL, 60, 1368, 768, 11647, 216, 72, 23, 1, 144, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1440 x 900 [16:10] */ {NULL, 60, 1440, 900, 9392, 232, 80, 28, 1, 152, 3, FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1440x960 [15:10] */ {NULL, 60, 1440, 960, 8733, 240, 88, 30, 1, 152, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, /* 1920x1080 [16:9] */ {NULL, 60, 1920, 1080, 6734, 148, 88, 41, 1, 44, 3, FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED}, }; /* no hardware cursor supported under version 2.6.10, kernel bug */ static int lynxfb_ops_cursor(struct fb_info *info, struct fb_cursor *fbcursor) { struct lynxfb_par *par; struct lynxfb_crtc *crtc; struct lynx_cursor *cursor; par = info->par; crtc = &par->crtc; cursor = &crtc->cursor; if (fbcursor->image.width > cursor->maxW || fbcursor->image.height > cursor->maxH || fbcursor->image.depth > 1) { return -ENXIO; } cursor->disable(cursor); if (fbcursor->set & FB_CUR_SETSIZE) cursor->setSize(cursor, fbcursor->image.width, fbcursor->image.height); if (fbcursor->set & FB_CUR_SETPOS) cursor->setPos(cursor, fbcursor->image.dx - info->var.xoffset, fbcursor->image.dy - info->var.yoffset); if (fbcursor->set & FB_CUR_SETCMAP) { /* get the 16bit color of kernel means */ u16 fg, bg; fg = ((info->cmap.red[fbcursor->image.fg_color] & 0xf800))| ((info->cmap.green[fbcursor->image.fg_color] & 0xfc00) >> 5)| ((info->cmap.blue[fbcursor->image.fg_color] & 0xf800) >> 11); bg = ((info->cmap.red[fbcursor->image.bg_color] & 0xf800))| ((info->cmap.green[fbcursor->image.bg_color] & 0xfc00) >> 5)| ((info->cmap.blue[fbcursor->image.bg_color] & 0xf800) >> 11); cursor->setColor(cursor, fg, bg); } if (fbcursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) { cursor->setData(cursor, fbcursor->rop, fbcursor->image.data, fbcursor->mask); } if (fbcursor->enable) cursor->enable(cursor); return 0; } static void lynxfb_ops_fillrect(struct fb_info *info, const struct fb_fillrect *region) { struct lynxfb_par *par; struct lynx_share *share; unsigned int base, pitch, Bpp, rop; u32 color; if (info->state != FBINFO_STATE_RUNNING) return; par = info->par; share = par->share; /* each time 2d function begin to work,below three variable always need * be set, seems we can put them together in some place */ base = par->crtc.oScreen; pitch = info->fix.line_length; Bpp = info->var.bits_per_pixel >> 3; color = (Bpp == 1)?region->color:((u32 *)info->pseudo_palette)[region->color]; rop = (region->rop != ROP_COPY) ? HW_ROP2_XOR:HW_ROP2_COPY; /* * If not use spin_lock,system will die if user load driver * and immediatly unload driver frequently (dual) */ if (share->dual) spin_lock(&share->slock); share->accel.de_fillrect(&share->accel, base, pitch, Bpp, region->dx, region->dy, region->width, region->height, color, rop); if (share->dual) spin_unlock(&share->slock); } static void lynxfb_ops_copyarea(struct fb_info *info, const struct fb_copyarea *region) { struct lynxfb_par *par; struct lynx_share *share; unsigned int base, pitch, Bpp; par = info->par; share = par->share; /* each time 2d function begin to work,below three variable always need * be set, seems we can put them together in some place */ base = par->crtc.oScreen; pitch = info->fix.line_length; Bpp = info->var.bits_per_pixel >> 3; /* * If not use spin_lock, system will die if user load driver * and immediatly unload driver frequently (dual) */ if (share->dual) spin_lock(&share->slock); share->accel.de_copyarea(&share->accel, base, pitch, region->sx, region->sy, base, pitch, Bpp, region->dx, region->dy, region->width, region->height, HW_ROP2_COPY); if (share->dual) spin_unlock(&share->slock); } static void lynxfb_ops_imageblit(struct fb_info *info, const struct fb_image *image) { unsigned int base, pitch, Bpp; unsigned int fgcol, bgcol; struct lynxfb_par *par; struct lynx_share *share; par = info->par; share = par->share; /* each time 2d function begin to work,below three variable always need * be set, seems we can put them together in some place */ base = par->crtc.oScreen; pitch = info->fix.line_length; Bpp = info->var.bits_per_pixel >> 3; if (image->depth == 1) { if (info->fix.visual == FB_VISUAL_TRUECOLOR || info->fix.visual == FB_VISUAL_DIRECTCOLOR) { fgcol = ((u32 *)info->pseudo_palette)[image->fg_color]; bgcol = ((u32 *)info->pseudo_palette)[image->bg_color]; } else { fgcol = image->fg_color; bgcol = image->bg_color; } goto _do_work; } return; _do_work: /* * If not use spin_lock, system will die if user load driver * and immediatly unload driver frequently (dual) */ if (share->dual) spin_lock(&share->slock); share->accel.de_imageblit(&share->accel, image->data, image->width>>3, 0, base, pitch, Bpp, image->dx, image->dy, image->width, image->height, fgcol, bgcol, HW_ROP2_COPY); if (share->dual) spin_unlock(&share->slock); } static int lynxfb_ops_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { struct lynxfb_par *par; struct lynxfb_crtc *crtc; int ret; if (!info) return -EINVAL; ret = 0; par = info->par; crtc = &par->crtc; ret = crtc->proc_panDisplay(crtc, var, info); return ret; } static int lynxfb_ops_set_par(struct fb_info *info) { struct lynxfb_par *par; struct lynx_share *share; struct lynxfb_crtc *crtc; struct lynxfb_output *output; struct fb_var_screeninfo *var; struct fb_fix_screeninfo *fix; int ret; unsigned int line_length; if (!info) return -EINVAL; ret = 0; par = info->par; share = par->share; crtc = &par->crtc; output = &par->output; var = &info->var; fix = &info->fix; /* fix structur is not so FIX ... */ line_length = var->xres_virtual * var->bits_per_pixel / 8; line_length = PADDING(crtc->line_pad, line_length); fix->line_length = line_length; pr_err("fix->line_length = %d\n", fix->line_length); /* var->red,green,blue,transp are need to be set by driver * and these data should be set before setcolreg routine * */ switch (var->bits_per_pixel) { case 8: fix->visual = FB_VISUAL_PSEUDOCOLOR; var->red.offset = 0; var->red.length = 8; var->green.offset = 0; var->green.length = 8; var->blue.offset = 0; var->blue.length = 8; var->transp.length = 0; var->transp.offset = 0; break; case 16: var->red.offset = 11; var->red.length = 5; var->green.offset = 5; var->green.length = 6; var->blue.offset = 0; var->blue.length = 5; var->transp.length = 0; var->transp.offset = 0; fix->visual = FB_VISUAL_TRUECOLOR; break; case 24: case 32: var->red.offset = 16; var->red.length = 8; var->green.offset = 8; var->green.length = 8; var->blue.offset = 0; var->blue.length = 8; fix->visual = FB_VISUAL_TRUECOLOR; break; default: ret = -EINVAL; break; } var->height = var->width = -1; var->accel_flags = 0;/*FB_ACCELF_TEXT;*/ if (ret) { pr_err("pixel bpp format not satisfied\n."); return ret; } ret = crtc->proc_setMode(crtc, var, fix); if (!ret) ret = output->proc_setMode(output, var, fix); return ret; } static inline unsigned int chan_to_field(unsigned int chan, struct fb_bitfield *bf) { chan &= 0xffff; chan >>= 16 - bf->length; return chan << bf->offset; } #ifdef CONFIG_PM static int lynxfb_suspend(struct pci_dev *pdev, pm_message_t mesg) { struct fb_info *info; struct lynx_share *share; int ret; if (mesg.event == pdev->dev.power.power_state.event) return 0; ret = 0; share = pci_get_drvdata(pdev); switch (mesg.event) { case PM_EVENT_FREEZE: case PM_EVENT_PRETHAW: pdev->dev.power.power_state = mesg; return 0; } console_lock(); if (mesg.event & PM_EVENT_SLEEP) { info = share->fbinfo[0]; if (info) /* 1 means do suspend */ fb_set_suspend(info, 1); info = share->fbinfo[1]; if (info) /* 1 means do suspend */ fb_set_suspend(info, 1); ret = pci_save_state(pdev); if (ret) { pr_err("error:%d occurred in pci_save_state\n", ret); return ret; } /* set chip to sleep mode */ if (share->suspend) (*share->suspend)(share); pci_disable_device(pdev); ret = pci_set_power_state(pdev, pci_choose_state(pdev, mesg)); if (ret) { pr_err("error:%d occurred in pci_set_power_state\n", ret); return ret; } } pdev->dev.power.power_state = mesg; console_unlock(); return ret; } static int lynxfb_resume(struct pci_dev *pdev) { struct fb_info *info; struct lynx_share *share; struct lynxfb_par *par; struct lynxfb_crtc *crtc; struct lynx_cursor *cursor; int ret; ret = 0; share = pci_get_drvdata(pdev); console_lock(); ret = pci_set_power_state(pdev, PCI_D0); if (ret) { pr_err("error:%d occured in pci_set_power_state\n", ret); return ret; } if (pdev->dev.power.power_state.event != PM_EVENT_FREEZE) { pci_restore_state(pdev); ret = pci_enable_device(pdev); if (ret) { pr_err("error:%d occured in pci_enable_device\n", ret); return ret; } pci_set_master(pdev); } if (share->resume) (*share->resume)(share); hw_sm750_inithw(share, pdev); info = share->fbinfo[0]; if (info) { par = info->par; crtc = &par->crtc; cursor = &crtc->cursor; memset_io(cursor->vstart, 0x0, cursor->size); memset_io(crtc->vScreen, 0x0, crtc->vidmem_size); lynxfb_ops_set_par(info); fb_set_suspend(info, 0); } info = share->fbinfo[1]; if (info) { par = info->par; crtc = &par->crtc; cursor = &crtc->cursor; memset_io(cursor->vstart, 0x0, cursor->size); memset_io(crtc->vScreen, 0x0, crtc->vidmem_size); lynxfb_ops_set_par(info); fb_set_suspend(info, 0); } console_unlock(); return ret; } #endif static int lynxfb_ops_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct lynxfb_par *par; struct lynxfb_crtc *crtc; struct lynxfb_output *output; struct lynx_share *share; int ret; resource_size_t request; par = info->par; crtc = &par->crtc; output = &par->output; share = par->share; ret = 0; pr_debug("check var:%dx%d-%d\n", var->xres, var->yres, var->bits_per_pixel); switch (var->bits_per_pixel) { case 8: case 16: case 24: /* support 24 bpp for only lynx712/722/720 */ case 32: break; default: pr_err("bpp %d not supported\n", var->bits_per_pixel); ret = -EINVAL; goto exit; } switch (var->bits_per_pixel) { case 8: info->fix.visual = FB_VISUAL_PSEUDOCOLOR; var->red.offset = 0; var->red.length = 8; var->green.offset = 0; var->green.length = 8; var->blue.offset = 0; var->blue.length = 8; var->transp.length = 0; var->transp.offset = 0; break; case 16: var->red.offset = 11; var->red.length = 5; var->green.offset = 5; var->green.length = 6; var->blue.offset = 0; var->blue.length = 5; var->transp.length = 0; var->transp.offset = 0; info->fix.visual = FB_VISUAL_TRUECOLOR; break; case 24: case 32: var->red.offset = 16; var->red.length = 8; var->green.offset = 8; var->green.length = 8; var->blue.offset = 0; var->blue.length = 8; info->fix.visual = FB_VISUAL_TRUECOLOR; break; default: ret = -EINVAL; break; } var->height = var->width = -1; var->accel_flags = 0;/* FB_ACCELF_TEXT; */ /* check if current fb's video memory big enought to hold the onscreen*/ request = var->xres_virtual * (var->bits_per_pixel >> 3); /* defaulty crtc->channel go with par->index */ request = PADDING(crtc->line_pad, request); request = request * var->yres_virtual; if (crtc->vidmem_size < request) { pr_err("not enough video memory for mode\n"); return -ENOMEM; } ret = output->proc_checkMode(output, var); if (!ret) ret = crtc->proc_checkMode(crtc, var); exit: return ret; } static int lynxfb_ops_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { struct lynxfb_par *par; struct lynxfb_crtc *crtc; struct fb_var_screeninfo *var; int ret; par = info->par; crtc = &par->crtc; var = &info->var; ret = 0; if (regno > 256) { pr_err("regno = %d\n", regno); return -EINVAL; } if (info->var.grayscale) red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; if (var->bits_per_pixel == 8 && info->fix.visual == FB_VISUAL_PSEUDOCOLOR) { red >>= 8; green >>= 8; blue >>= 8; ret = crtc->proc_setColReg(crtc, regno, red, green, blue); goto exit; } if (info->fix.visual == FB_VISUAL_TRUECOLOR && regno < 256) { u32 val; if (var->bits_per_pixel == 16 || var->bits_per_pixel == 32 || var->bits_per_pixel == 24) { val = chan_to_field(red, &var->red); val |= chan_to_field(green, &var->green); val |= chan_to_field(blue, &var->blue); par->pseudo_palette[regno] = val; goto exit; } } ret = -EINVAL; exit: return ret; } static int lynxfb_ops_blank(int blank, struct fb_info *info) { struct lynxfb_par *par; struct lynxfb_output *output; pr_debug("blank = %d.\n", blank); par = info->par; output = &par->output; return output->proc_setBLANK(output, blank); } static int sm750fb_set_drv(struct lynxfb_par *par) { int ret; struct lynx_share *share; struct sm750_share *spec_share; struct lynxfb_output *output; struct lynxfb_crtc *crtc; ret = 0; share = par->share; spec_share = container_of(share, struct sm750_share, share); output = &par->output; crtc = &par->crtc; crtc->vidmem_size = (share->dual)?share->vidmem_size>>1:share->vidmem_size; /* setup crtc and output member */ spec_share->hwCursor = g_hwcursor; crtc->proc_setMode = hw_sm750_crtc_setMode; crtc->proc_checkMode = hw_sm750_crtc_checkMode; crtc->proc_setColReg = hw_sm750_setColReg; crtc->proc_panDisplay = hw_sm750_pan_display; crtc->clear = hw_sm750_crtc_clear; crtc->line_pad = 16; crtc->xpanstep = 8; crtc->ypanstep = 1; crtc->ywrapstep = 0; output->proc_setMode = hw_sm750_output_setMode; output->proc_checkMode = hw_sm750_output_checkMode; output->proc_setBLANK = (share->revid == SM750LE_REVISION_ID)?hw_sm750le_setBLANK:hw_sm750_setBLANK; output->clear = hw_sm750_output_clear; /* chip specific phase */ share->accel.de_wait = (share->revid == SM750LE_REVISION_ID)?hw_sm750le_deWait : hw_sm750_deWait; switch (spec_share->state.dataflow) { case sm750_simul_pri: output->paths = sm750_pnc; crtc->channel = sm750_primary; crtc->oScreen = 0; crtc->vScreen = share->pvMem; pr_info("use simul primary mode\n"); break; case sm750_simul_sec: output->paths = sm750_pnc; crtc->channel = sm750_secondary; crtc->oScreen = 0; crtc->vScreen = share->pvMem; break; case sm750_dual_normal: if (par->index == 0) { output->paths = sm750_panel; crtc->channel = sm750_primary; crtc->oScreen = 0; crtc->vScreen = share->pvMem; } else { output->paths = sm750_crt; crtc->channel = sm750_secondary; /* not consider of padding stuffs for oScreen,need fix */ crtc->oScreen = (share->vidmem_size >> 1); crtc->vScreen = share->pvMem + crtc->oScreen; } break; case sm750_dual_swap: if (par->index == 0) { output->paths = sm750_panel; crtc->channel = sm750_secondary; crtc->oScreen = 0; crtc->vScreen = share->pvMem; } else { output->paths = sm750_crt; crtc->channel = sm750_primary; /* not consider of padding stuffs for oScreen,need fix */ crtc->oScreen = (share->vidmem_size >> 1); crtc->vScreen = share->pvMem + crtc->oScreen; } break; default: ret = -EINVAL; } return ret; } static struct fb_ops lynxfb_ops = { .owner = THIS_MODULE, .fb_check_var = lynxfb_ops_check_var, .fb_set_par = lynxfb_ops_set_par, .fb_setcolreg = lynxfb_ops_setcolreg, .fb_blank = lynxfb_ops_blank, .fb_fillrect = cfb_fillrect, .fb_imageblit = cfb_imageblit, .fb_copyarea = cfb_copyarea, /* cursor */ .fb_cursor = lynxfb_ops_cursor, }; static int lynxfb_set_fbinfo(struct fb_info *info, int index) { int i; struct lynxfb_par *par; struct lynx_share *share; struct lynxfb_crtc *crtc; struct lynxfb_output *output; struct fb_var_screeninfo *var; struct fb_fix_screeninfo *fix; const struct fb_videomode *pdb[] = { lynx750_ext, NULL, vesa_modes, }; int cdb[] = {ARRAY_SIZE(lynx750_ext), 0, VESA_MODEDB_SIZE}; static const char *mdb_desc[] = { "driver prepared modes", "kernel prepared default modedb", "kernel HELPERS prepared vesa_modes", }; static const char *fixId[2] = { "sm750_fb1", "sm750_fb2", }; int ret, line_length; ret = 0; par = (struct lynxfb_par *)info->par; share = par->share; crtc = &par->crtc; output = &par->output; var = &info->var; fix = &info->fix; /* set index */ par->index = index; output->channel = &crtc->channel; sm750fb_set_drv(par); lynxfb_ops.fb_pan_display = lynxfb_ops_pan_display; /* set current cursor variable and proc pointer, * must be set after crtc member initialized */ crtc->cursor.offset = crtc->oScreen + crtc->vidmem_size - 1024; crtc->cursor.mmio = share->pvReg + 0x800f0 + (int)crtc->channel * 0x140; pr_info("crtc->cursor.mmio = %p\n", crtc->cursor.mmio); crtc->cursor.maxH = crtc->cursor.maxW = 64; crtc->cursor.size = crtc->cursor.maxH*crtc->cursor.maxW*2/8; crtc->cursor.disable = hw_cursor_disable; crtc->cursor.enable = hw_cursor_enable; crtc->cursor.setColor = hw_cursor_setColor; crtc->cursor.setPos = hw_cursor_setPos; crtc->cursor.setSize = hw_cursor_setSize; crtc->cursor.setData = hw_cursor_setData; crtc->cursor.vstart = share->pvMem + crtc->cursor.offset; crtc->cursor.share = share; memset_io(crtc->cursor.vstart, 0, crtc->cursor.size); if (!g_hwcursor) { lynxfb_ops.fb_cursor = NULL; crtc->cursor.disable(&crtc->cursor); } /* set info->fbops, must be set before fb_find_mode */ if (!share->accel_off) { /* use 2d acceleration */ lynxfb_ops.fb_fillrect = lynxfb_ops_fillrect; lynxfb_ops.fb_copyarea = lynxfb_ops_copyarea; lynxfb_ops.fb_imageblit = lynxfb_ops_imageblit; } info->fbops = &lynxfb_ops; if (!g_fbmode[index]) { g_fbmode[index] = g_def_fbmode; if (index) g_fbmode[index] = g_fbmode[0]; } for (i = 0; i < 3; i++) { ret = fb_find_mode(var, info, g_fbmode[index], pdb[i], cdb[i], NULL, 8); if (ret == 1) { pr_info("success! use specified mode:%s in %s\n", g_fbmode[index], mdb_desc[i]); break; } else if (ret == 2) { pr_warn("use specified mode:%s in %s,with an ignored refresh rate\n", g_fbmode[index], mdb_desc[i]); break; } else if (ret == 3) { pr_warn("wanna use default mode\n"); /*break;*/ } else if (ret == 4) { pr_warn("fall back to any valid mode\n"); } else { pr_warn("ret = %d,fb_find_mode failed,with %s\n", ret, mdb_desc[i]); } } /* some member of info->var had been set by fb_find_mode */ pr_info("Member of info->var is :\n\ xres=%d\n\ yres=%d\n\ xres_virtual=%d\n\ yres_virtual=%d\n\ xoffset=%d\n\ yoffset=%d\n\ bits_per_pixel=%d\n \ ...\n", var->xres, var->yres, var->xres_virtual, var->yres_virtual, var->xoffset, var->yoffset, var->bits_per_pixel); /* set par */ par->info = info; /* set info */ line_length = PADDING(crtc->line_pad, (var->xres_virtual * var->bits_per_pixel/8)); info->pseudo_palette = &par->pseudo_palette[0]; info->screen_base = crtc->vScreen; pr_debug("screen_base vaddr = %p\n", info->screen_base); info->screen_size = line_length * var->yres_virtual; info->flags = FBINFO_FLAG_DEFAULT|0; /* set info->fix */ fix->type = FB_TYPE_PACKED_PIXELS; fix->type_aux = 0; fix->xpanstep = crtc->xpanstep; fix->ypanstep = crtc->ypanstep; fix->ywrapstep = crtc->ywrapstep; fix->accel = FB_ACCEL_SMI; strlcpy(fix->id, fixId[index], sizeof(fix->id)); fix->smem_start = crtc->oScreen + share->vidmem_start; pr_info("fix->smem_start = %lx\n", fix->smem_start); /* according to mmap experiment from user space application, * fix->mmio_len should not larger than virtual size * (xres_virtual x yres_virtual x ByPP) * Below line maybe buggy when user mmap fb dev node and write * data into the bound over virtual size * */ fix->smem_len = crtc->vidmem_size; pr_info("fix->smem_len = %x\n", fix->smem_len); info->screen_size = fix->smem_len; fix->line_length = line_length; fix->mmio_start = share->vidreg_start; pr_info("fix->mmio_start = %lx\n", fix->mmio_start); fix->mmio_len = share->vidreg_size; pr_info("fix->mmio_len = %x\n", fix->mmio_len); switch (var->bits_per_pixel) { case 8: fix->visual = FB_VISUAL_PSEUDOCOLOR; break; case 16: case 32: fix->visual = FB_VISUAL_TRUECOLOR; break; } /* set var */ var->activate = FB_ACTIVATE_NOW; var->accel_flags = 0; var->vmode = FB_VMODE_NONINTERLACED; pr_debug("#1 show info->cmap : \nstart=%d,len=%d,red=%p,green=%p,blue=%p,transp=%p\n", info->cmap.start, info->cmap.len, info->cmap.red, info->cmap.green, info->cmap.blue, info->cmap.transp); ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret < 0) { pr_err("Could not allcate memory for cmap.\n"); goto exit; } pr_debug("#2 show info->cmap :\nstart=%d,len=%d,red=%p,green=%p,blue=%p,transp=%p\n", info->cmap.start, info->cmap.len, info->cmap.red, info->cmap.green, info->cmap.blue, info->cmap.transp); exit: lynxfb_ops_check_var(var, info); return ret; } /* chip specific g_option configuration routine */ static void sm750fb_setup(struct lynx_share *share, char *src) { struct sm750_share *spec_share; char *opt; #ifdef CAP_EXPENSION char *exp_res; #endif int swap; spec_share = container_of(share, struct sm750_share, share); #ifdef CAP_EXPENSIION exp_res = NULL; #endif swap = 0; spec_share->state.initParm.chip_clk = 0; spec_share->state.initParm.mem_clk = 0; spec_share->state.initParm.master_clk = 0; spec_share->state.initParm.powerMode = 0; spec_share->state.initParm.setAllEngOff = 0; spec_share->state.initParm.resetMemory = 1; /* defaultly turn g_hwcursor on for both view */ g_hwcursor = 3; if (!src || !*src) { pr_warn("no specific g_option.\n"); goto NO_PARAM; } while ((opt = strsep(&src, ":")) != NULL && *opt != 0) { pr_err("opt=%s\n", opt); pr_err("src=%s\n", src); if (!strncmp(opt, "swap", strlen("swap"))) swap = 1; else if (!strncmp(opt, "nocrt", strlen("nocrt"))) spec_share->state.nocrt = 1; else if (!strncmp(opt, "36bit", strlen("36bit"))) spec_share->state.pnltype = sm750_doubleTFT; else if (!strncmp(opt, "18bit", strlen("18bit"))) spec_share->state.pnltype = sm750_dualTFT; else if (!strncmp(opt, "24bit", strlen("24bit"))) spec_share->state.pnltype = sm750_24TFT; #ifdef CAP_EXPANSION else if (!strncmp(opt, "exp:", strlen("exp:"))) exp_res = opt + strlen("exp:"); #endif else if (!strncmp(opt, "nohwc0", strlen("nohwc0"))) g_hwcursor &= ~0x1; else if (!strncmp(opt, "nohwc1", strlen("nohwc1"))) g_hwcursor &= ~0x2; else if (!strncmp(opt, "nohwc", strlen("nohwc"))) g_hwcursor = 0; else { if (!g_fbmode[0]) { g_fbmode[0] = opt; pr_info("find fbmode0 : %s\n", g_fbmode[0]); } else if (!g_fbmode[1]) { g_fbmode[1] = opt; pr_info("find fbmode1 : %s\n", g_fbmode[1]); } else { pr_warn("How many view you wann set?\n"); } } } #ifdef CAP_EXPANSION if (getExpRes(exp_res, &spec_share->state.xLCD, &spec_share->state.yLCD)) { /* seems exp_res is not valid */ spec_share->state.xLCD = spec_share->state.yLCD = 0; } #endif NO_PARAM: if (share->revid != SM750LE_REVISION_ID) { if (share->dual) { if (swap) spec_share->state.dataflow = sm750_dual_swap; else spec_share->state.dataflow = sm750_dual_normal; } else { if (swap) spec_share->state.dataflow = sm750_simul_sec; else spec_share->state.dataflow = sm750_simul_pri; } } else { /* SM750LE only have one crt channel */ spec_share->state.dataflow = sm750_simul_sec; /* sm750le do not have complex attributes */ spec_share->state.nocrt = 0; } } static int lynxfb_pci_probe(struct pci_dev *pdev, const struct pci_device_id * ent) { struct fb_info *info[] = {NULL, NULL}; struct lynx_share *share = NULL; struct sm750_share *spec_share = NULL; size_t spec_offset = 0; int fbidx; /* enable device */ if (pci_enable_device(pdev)) { pr_err("can not enable device.\n"); goto err_enable; } /* though offset of share in sm750_share is 0, * we use this marcro as the same */ spec_offset = offsetof(struct sm750_share, share); spec_share = kzalloc(sizeof(*spec_share), GFP_KERNEL); if (!spec_share) { pr_err("Could not allocate memory for share.\n"); goto err_share; } /* setting share structure */ share = (struct lynx_share *)(&(spec_share->share)); share->fbinfo[0] = share->fbinfo[1] = NULL; share->devid = pdev->device; share->revid = pdev->revision; pr_info("share->revid = %02x\n", share->revid); share->pdev = pdev; #ifdef CONFIG_MTRR share->mtrr_off = g_nomtrr; share->mtrr.vram = 0; share->mtrr.vram_added = 0; #endif share->accel_off = g_noaccel; share->dual = g_dualview; spin_lock_init(&share->slock); if (!share->accel_off) { /* hook deInit and 2d routines, notes that below hw_xxx * routine can work on most of lynx chips * if some chip need specific function, * please hook it in smXXX_set_drv routine */ share->accel.de_init = hw_de_init; share->accel.de_fillrect = hw_fillrect; share->accel.de_copyarea = hw_copyarea; share->accel.de_imageblit = hw_imageblit; pr_info("enable 2d acceleration\n"); } else { pr_info("disable 2d acceleration\n"); } /* call chip specific setup routine */ sm750fb_setup(share, g_settings); /* call chip specific mmap routine */ if (hw_sm750_map(share, pdev)) { pr_err("Memory map failed\n"); goto err_map; } #ifdef CONFIG_MTRR if (!share->mtrr_off) { pr_info("enable mtrr\n"); share->mtrr.vram = mtrr_add(share->vidmem_start, share->vidmem_size, MTRR_TYPE_WRCOMB, 1); if (share->mtrr.vram < 0) { /* don't block driver with the failure of MTRR */ pr_err("Unable to setup MTRR.\n"); } else { share->mtrr.vram_added = 1; pr_info("MTRR added succesfully\n"); } } #endif memset_io(share->pvMem, 0, share->vidmem_size); pr_info("sm%3x mmio address = %p\n", share->devid, share->pvReg); pci_set_drvdata(pdev, share); /* call chipInit routine */ hw_sm750_inithw(share, pdev); /* allocate frame buffer info structor according to g_dualview */ fbidx = 0; ALLOC_FB: info[fbidx] = framebuffer_alloc(sizeof(struct lynxfb_par), &pdev->dev); if (!info[fbidx]) { pr_err("Could not allocate framebuffer #%d.\n", fbidx); if (fbidx == 0) goto err_info0_alloc; else goto err_info1_alloc; } else { struct lynxfb_par *par; int errno; pr_info("framebuffer #%d alloc okay\n", fbidx); share->fbinfo[fbidx] = info[fbidx]; par = info[fbidx]->par; par->share = share; /* set fb_info structure */ if (lynxfb_set_fbinfo(info[fbidx], fbidx)) { pr_err("Failed to initial fb_info #%d.\n", fbidx); if (fbidx == 0) goto err_info0_set; else goto err_info1_set; } /* register frame buffer */ pr_info("Ready to register framebuffer #%d.\n", fbidx); errno = register_framebuffer(info[fbidx]); if (errno < 0) { pr_err("Failed to register fb_info #%d. err %d\n", fbidx, errno); if (fbidx == 0) goto err_register0; else goto err_register1; } pr_info("Accomplished register framebuffer #%d.\n", fbidx); } /* no dual view by far */ fbidx++; if (share->dual && fbidx < 2) goto ALLOC_FB; return 0; err_register1: err_info1_set: framebuffer_release(info[1]); err_info1_alloc: unregister_framebuffer(info[0]); err_register0: err_info0_set: framebuffer_release(info[0]); err_info0_alloc: err_map: kfree(spec_share); err_share: err_enable: return -ENODEV; } static void lynxfb_pci_remove(struct pci_dev *pdev) { struct fb_info *info; struct lynx_share *share; void *spec_share; struct lynxfb_par *par; int cnt; cnt = 2; share = pci_get_drvdata(pdev); while (cnt-- > 0) { info = share->fbinfo[cnt]; if (!info) continue; par = info->par; unregister_framebuffer(info); /* clean crtc & output allocations */ par->crtc.clear(&par->crtc); par->output.clear(&par->output); /* release frame buffer */ framebuffer_release(info); } #ifdef CONFIG_MTRR if (share->mtrr.vram_added) mtrr_del(share->mtrr.vram, share->vidmem_start, share->vidmem_size); #endif iounmap(share->pvReg); iounmap(share->pvMem); spec_share = container_of(share, struct sm750_share, share); kfree(g_settings); kfree(spec_share); pci_set_drvdata(pdev, NULL); } static int __init lynxfb_setup(char *options) { int len; char *opt, *tmp; if (!options || !*options) { pr_warn("no options.\n"); return 0; } pr_info("options:%s\n", options); len = strlen(options) + 1; g_settings = kzalloc(len, GFP_KERNEL); if (!g_settings) return -ENOMEM; tmp = g_settings; /* Notes: char * strsep(char **s,const char * ct); @s: the string to be searched @ct :the characters to search for strsep() updates @options to pointer after the first found token it also returns the pointer ahead the token. */ while ((opt = strsep(&options, ":")) != NULL) { /* options that mean for any lynx chips are configured here */ if (!strncmp(opt, "noaccel", strlen("noaccel"))) g_noaccel = 1; #ifdef CONFIG_MTRR else if (!strncmp(opt, "nomtrr", strlen("nomtrr"))) g_nomtrr = 1; #endif else if (!strncmp(opt, "dual", strlen("dual"))) g_dualview = 1; else { strcat(tmp, opt); tmp += strlen(opt); if (options != NULL) *tmp++ = ':'; else *tmp++ = 0; } } /* misc g_settings are transport to chip specific routines */ pr_info("parameter left for chip specific analysis:%s\n", g_settings); return 0; } static struct pci_device_id smi_pci_table[] = { { PCI_DEVICE(0x126f, 0x0750), }, {0,} }; MODULE_DEVICE_TABLE(pci, smi_pci_table); static struct pci_driver lynxfb_driver = { .name = "sm750fb", .id_table = smi_pci_table, .probe = lynxfb_pci_probe, .remove = lynxfb_pci_remove, #ifdef CONFIG_PM .suspend = lynxfb_suspend, .resume = lynxfb_resume, #endif }; static int __init lynxfb_init(void) { char *option; int ret; #ifdef MODULE option = g_option; #else if (fb_get_options("sm750fb", &option)) return -ENODEV; #endif lynxfb_setup(option); ret = pci_register_driver(&lynxfb_driver); return ret; } module_init(lynxfb_init); static void __exit lynxfb_exit(void) { pci_unregister_driver(&lynxfb_driver); } module_exit(lynxfb_exit); module_param(g_option, charp, S_IRUGO); MODULE_PARM_DESC(g_option, "\n\t\tCommon options:\n" "\t\tnoaccel:disable 2d capabilities\n" "\t\tnomtrr:disable MTRR attribute for video memory\n" "\t\tdualview:dual frame buffer feature enabled\n" "\t\tnohwc:disable hardware cursor\n" "\t\tUsual example:\n" "\t\tinsmod ./sm750fb.ko g_option=\"noaccel,nohwc,1280x1024-8@60\"\n" ); MODULE_AUTHOR("monk liu <monk.liu@siliconmotion.com>"); MODULE_AUTHOR("Sudip Mukherjee <sudip@vectorindia.org>"); MODULE_DESCRIPTION("Frame buffer driver for SM750 chipset"); MODULE_LICENSE("GPL v2"); |