| #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 __exit 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"); |