| #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/console.h> |
| #include <asm/fb.h> |
| #include "sm750.h" |
| #include "sm750_accel.h" |
| #include "sm750_cursor.h" |
| |
| /* |
| * #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 |
| */ |
| |
| /* common var for all device */ |
| static int g_hwcursor = 1; |
| static int g_noaccel; |
| static int g_nomtrr; |
| static const char *g_fbmode[] = {NULL, NULL}; |
| static const char *g_def_fbmode = "1024x768-32@60"; |
| static char *g_settings; |
| static int g_dualview; |
| static char *g_option; |
| |
| 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}, |
| |
| /* 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; |
| } |
| |
| sm750_hw_cursor_disable(cursor); |
| if (fbcursor->set & FB_CUR_SETSIZE) |
| sm750_hw_cursor_setSize(cursor, |
| fbcursor->image.width, |
| fbcursor->image.height); |
| |
| if (fbcursor->set & FB_CUR_SETPOS) |
| sm750_hw_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); |
| |
| sm750_hw_cursor_setColor(cursor, fg, bg); |
| } |
| |
| if (fbcursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) { |
| sm750_hw_cursor_setData(cursor, |
| fbcursor->rop, |
| fbcursor->image.data, |
| fbcursor->mask); |
| } |
| |
| if (fbcursor->enable) |
| sm750_hw_cursor_enable(cursor); |
| |
| return 0; |
| } |
| |
| static void lynxfb_ops_fillrect(struct fb_info *info, |
| const struct fb_fillrect *region) |
| { |
| struct lynxfb_par *par; |
| struct sm750_dev *sm750_dev; |
| unsigned int base, pitch, Bpp, rop; |
| u32 color; |
| |
| if (info->state != FBINFO_STATE_RUNNING) |
| return; |
| |
| par = info->par; |
| sm750_dev = par->dev; |
| |
| /* |
| * 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 immediately unload driver frequently (dual) |
| * since they fb_count could change during the lifetime of |
| * this lock, we are holding it for all cases. |
| */ |
| spin_lock(&sm750_dev->slock); |
| |
| sm750_dev->accel.de_fillrect(&sm750_dev->accel, |
| base, pitch, Bpp, |
| region->dx, region->dy, |
| region->width, region->height, |
| color, rop); |
| spin_unlock(&sm750_dev->slock); |
| } |
| |
| static void lynxfb_ops_copyarea(struct fb_info *info, |
| const struct fb_copyarea *region) |
| { |
| struct lynxfb_par *par; |
| struct sm750_dev *sm750_dev; |
| unsigned int base, pitch, Bpp; |
| |
| par = info->par; |
| sm750_dev = par->dev; |
| |
| /* |
| * 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 immediately unload driver frequently (dual) |
| * since they fb_count could change during the lifetime of |
| * this lock, we are holding it for all cases. |
| */ |
| spin_lock(&sm750_dev->slock); |
| |
| sm750_dev->accel.de_copyarea(&sm750_dev->accel, |
| base, pitch, region->sx, region->sy, |
| base, pitch, Bpp, region->dx, region->dy, |
| region->width, region->height, |
| HW_ROP2_COPY); |
| spin_unlock(&sm750_dev->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 sm750_dev *sm750_dev; |
| |
| par = info->par; |
| sm750_dev = par->dev; |
| /* |
| * 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; |
| |
| /* TODO: Implement hardware acceleration for image->depth > 1 */ |
| if (image->depth != 1) { |
| cfb_imageblit(info, image); |
| return; |
| } |
| |
| 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; |
| } |
| |
| /* |
| * If not use spin_lock, system will die if user load driver |
| * and immediately unload driver frequently (dual) |
| * since they fb_count could change during the lifetime of |
| * this lock, we are holding it for all cases. |
| */ |
| spin_lock(&sm750_dev->slock); |
| |
| sm750_dev->accel.de_imageblit(&sm750_dev->accel, |
| image->data, image->width >> 3, 0, |
| base, pitch, Bpp, |
| image->dx, image->dy, |
| image->width, image->height, |
| fgcol, bgcol, HW_ROP2_COPY); |
| spin_unlock(&sm750_dev->slock); |
| } |
| |
| static int lynxfb_ops_pan_display(struct fb_var_screeninfo *var, |
| struct fb_info *info) |
| { |
| struct lynxfb_par *par; |
| struct lynxfb_crtc *crtc; |
| |
| if (!info) |
| return -EINVAL; |
| |
| par = info->par; |
| crtc = &par->crtc; |
| return hw_sm750_pan_display(crtc, var, info); |
| } |
| |
| static int lynxfb_ops_set_par(struct fb_info *info) |
| { |
| struct lynxfb_par *par; |
| 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; |
| crtc = &par->crtc; |
| output = &par->output; |
| var = &info->var; |
| fix = &info->fix; |
| |
| /* fix structure is not so FIX ... */ |
| line_length = var->xres_virtual * var->bits_per_pixel / 8; |
| line_length = ALIGN(line_length, crtc->line_pad); |
| fix->line_length = line_length; |
| pr_info("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 = hw_sm750_crtc_setMode(crtc, var, fix); |
| if (!ret) |
| ret = hw_sm750_output_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 sm750_dev *sm750_dev; |
| int ret; |
| |
| if (mesg.event == pdev->dev.power.power_state.event) |
| return 0; |
| |
| ret = 0; |
| sm750_dev = 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 = sm750_dev->fbinfo[0]; |
| if (info) |
| /* 1 means do suspend */ |
| fb_set_suspend(info, 1); |
| info = sm750_dev->fbinfo[1]; |
| if (info) |
| /* 1 means do suspend */ |
| fb_set_suspend(info, 1); |
| |
| ret = pci_save_state(pdev); |
| if (ret) { |
| dev_err(&pdev->dev, |
| "error:%d occurred in pci_save_state\n", ret); |
| goto lynxfb_suspend_err; |
| } |
| |
| ret = pci_set_power_state(pdev, pci_choose_state(pdev, mesg)); |
| if (ret) { |
| dev_err(&pdev->dev, |
| "error:%d occurred in pci_set_power_state\n", |
| ret); |
| goto lynxfb_suspend_err; |
| } |
| } |
| |
| pdev->dev.power.power_state = mesg; |
| |
| lynxfb_suspend_err: |
| console_unlock(); |
| return ret; |
| } |
| |
| static int lynxfb_resume(struct pci_dev *pdev) |
| { |
| struct fb_info *info; |
| struct sm750_dev *sm750_dev; |
| |
| struct lynxfb_par *par; |
| struct lynxfb_crtc *crtc; |
| struct lynx_cursor *cursor; |
| |
| int ret; |
| |
| ret = 0; |
| sm750_dev = pci_get_drvdata(pdev); |
| |
| console_lock(); |
| |
| ret = pci_set_power_state(pdev, PCI_D0); |
| if (ret) { |
| dev_err(&pdev->dev, |
| "error:%d occurred in pci_set_power_state\n", ret); |
| goto lynxfb_resume_err; |
| } |
| |
| if (pdev->dev.power.power_state.event != PM_EVENT_FREEZE) { |
| pci_restore_state(pdev); |
| ret = pci_enable_device(pdev); |
| if (ret) { |
| dev_err(&pdev->dev, |
| "error:%d occurred in pci_enable_device\n", |
| ret); |
| goto lynxfb_resume_err; |
| } |
| pci_set_master(pdev); |
| } |
| |
| hw_sm750_inithw(sm750_dev, pdev); |
| |
| info = sm750_dev->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 = sm750_dev->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); |
| } |
| |
| pdev->dev.power.power_state.event = PM_EVENT_RESUME; |
| |
| lynxfb_resume_err: |
| 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; |
| resource_size_t request; |
| |
| par = info->par; |
| crtc = &par->crtc; |
| |
| pr_debug("check var:%dx%d-%d\n", |
| var->xres, |
| var->yres, |
| var->bits_per_pixel); |
| |
| 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: |
| pr_err("bpp %d not supported\n", var->bits_per_pixel); |
| return -EINVAL; |
| } |
| 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 = ALIGN(request, crtc->line_pad); |
| request = request * var->yres_virtual; |
| if (crtc->vidmem_size < request) { |
| pr_err("not enough video memory for mode\n"); |
| return -ENOMEM; |
| } |
| |
| return hw_sm750_crtc_checkMode(crtc, var); |
| } |
| |
| static int lynxfb_ops_setcolreg(unsigned int regno, |
| unsigned int red, |
| unsigned int green, |
| unsigned int blue, |
| unsigned int 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 = hw_sm750_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 sm750_dev *sm750_dev; |
| struct lynxfb_output *output; |
| struct lynxfb_crtc *crtc; |
| |
| ret = 0; |
| |
| sm750_dev = par->dev; |
| output = &par->output; |
| crtc = &par->crtc; |
| |
| crtc->vidmem_size = sm750_dev->vidmem_size; |
| if (sm750_dev->fb_count > 1) |
| crtc->vidmem_size >>= 1; |
| |
| /* setup crtc and output member */ |
| sm750_dev->hwCursor = g_hwcursor; |
| |
| crtc->line_pad = 16; |
| crtc->xpanstep = 8; |
| crtc->ypanstep = 1; |
| crtc->ywrapstep = 0; |
| |
| output->proc_setBLANK = (sm750_dev->revid == SM750LE_REVISION_ID) ? |
| hw_sm750le_setBLANK : hw_sm750_setBLANK; |
| /* chip specific phase */ |
| sm750_dev->accel.de_wait = (sm750_dev->revid == SM750LE_REVISION_ID) ? |
| hw_sm750le_deWait : hw_sm750_deWait; |
| switch (sm750_dev->dataflow) { |
| case sm750_simul_pri: |
| output->paths = sm750_pnc; |
| crtc->channel = sm750_primary; |
| crtc->oScreen = 0; |
| crtc->vScreen = sm750_dev->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 = sm750_dev->pvMem; |
| break; |
| case sm750_dual_normal: |
| if (par->index == 0) { |
| output->paths = sm750_panel; |
| crtc->channel = sm750_primary; |
| crtc->oScreen = 0; |
| crtc->vScreen = sm750_dev->pvMem; |
| } else { |
| output->paths = sm750_crt; |
| crtc->channel = sm750_secondary; |
| /* not consider of padding stuffs for oScreen,need fix */ |
| crtc->oScreen = (sm750_dev->vidmem_size >> 1); |
| crtc->vScreen = sm750_dev->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 = sm750_dev->pvMem; |
| } else { |
| output->paths = sm750_crt; |
| crtc->channel = sm750_primary; |
| /* not consider of padding stuffs for oScreen,need fix */ |
| crtc->oScreen = (sm750_dev->vidmem_size >> 1); |
| crtc->vScreen = sm750_dev->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 sm750_dev *sm750_dev; |
| 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; |
| sm750_dev = par->dev; |
| 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 = sm750_dev->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.vstart = sm750_dev->pvMem + crtc->cursor.offset; |
| |
| memset_io(crtc->cursor.vstart, 0, crtc->cursor.size); |
| if (!g_hwcursor) { |
| lynxfb_ops.fb_cursor = NULL; |
| sm750_hw_cursor_disable(&crtc->cursor); |
| } |
| |
| /* set info->fbops, must be set before fb_find_mode */ |
| if (!sm750_dev->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 = ALIGN((var->xres_virtual * var->bits_per_pixel / 8), |
| crtc->line_pad); |
| |
| 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 + sm750_dev->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 = sm750_dev->vidreg_start; |
| pr_info("fix->mmio_start = %lx\n", fix->mmio_start); |
| fix->mmio_len = sm750_dev->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 allocate 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 sm750_dev *sm750_dev, char *src) |
| { |
| char *opt; |
| int swap; |
| |
| swap = 0; |
| |
| sm750_dev->initParm.chip_clk = 0; |
| sm750_dev->initParm.mem_clk = 0; |
| sm750_dev->initParm.master_clk = 0; |
| sm750_dev->initParm.powerMode = 0; |
| sm750_dev->initParm.setAllEngOff = 0; |
| sm750_dev->initParm.resetMemory = 1; |
| |
| /* defaultly turn g_hwcursor on for both view */ |
| g_hwcursor = 3; |
| |
| if (!src || !*src) { |
| dev_warn(&sm750_dev->pdev->dev, "no specific g_option.\n"); |
| goto NO_PARAM; |
| } |
| |
| while ((opt = strsep(&src, ":")) != NULL && *opt != 0) { |
| dev_info(&sm750_dev->pdev->dev, "opt=%s\n", opt); |
| dev_info(&sm750_dev->pdev->dev, "src=%s\n", src); |
| |
| if (!strncmp(opt, "swap", strlen("swap"))) { |
| swap = 1; |
| } else if (!strncmp(opt, "nocrt", strlen("nocrt"))) { |
| sm750_dev->nocrt = 1; |
| } else if (!strncmp(opt, "36bit", strlen("36bit"))) { |
| sm750_dev->pnltype = sm750_doubleTFT; |
| } else if (!strncmp(opt, "18bit", strlen("18bit"))) { |
| sm750_dev->pnltype = sm750_dualTFT; |
| } else if (!strncmp(opt, "24bit", strlen("24bit"))) { |
| sm750_dev->pnltype = sm750_24TFT; |
| } 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; |
| dev_info(&sm750_dev->pdev->dev, |
| "find fbmode0 : %s\n", g_fbmode[0]); |
| } else if (!g_fbmode[1]) { |
| g_fbmode[1] = opt; |
| dev_info(&sm750_dev->pdev->dev, |
| "find fbmode1 : %s\n", g_fbmode[1]); |
| } else { |
| dev_warn(&sm750_dev->pdev->dev, "How many view you wann set?\n"); |
| } |
| } |
| } |
| |
| NO_PARAM: |
| if (sm750_dev->revid != SM750LE_REVISION_ID) { |
| if (sm750_dev->fb_count > 1) { |
| if (swap) |
| sm750_dev->dataflow = sm750_dual_swap; |
| else |
| sm750_dev->dataflow = sm750_dual_normal; |
| } else { |
| if (swap) |
| sm750_dev->dataflow = sm750_simul_sec; |
| else |
| sm750_dev->dataflow = sm750_simul_pri; |
| } |
| } else { |
| /* SM750LE only have one crt channel */ |
| sm750_dev->dataflow = sm750_simul_sec; |
| /* sm750le do not have complex attributes */ |
| sm750_dev->nocrt = 0; |
| } |
| } |
| |
| static void sm750fb_frambuffer_release(struct sm750_dev *sm750_dev) |
| { |
| struct fb_info *fb_info; |
| |
| while (sm750_dev->fb_count) { |
| fb_info = sm750_dev->fbinfo[sm750_dev->fb_count - 1]; |
| unregister_framebuffer(fb_info); |
| framebuffer_release(fb_info); |
| sm750_dev->fb_count--; |
| } |
| } |
| |
| static int sm750fb_frambuffer_alloc(struct sm750_dev *sm750_dev, int fbidx) |
| { |
| struct fb_info *fb_info; |
| struct lynxfb_par *par; |
| int err; |
| |
| fb_info = framebuffer_alloc(sizeof(struct lynxfb_par), |
| &sm750_dev->pdev->dev); |
| if (!fb_info) |
| return -ENOMEM; |
| |
| sm750_dev->fbinfo[fbidx] = fb_info; |
| par = fb_info->par; |
| par->dev = sm750_dev; |
| |
| err = lynxfb_set_fbinfo(fb_info, fbidx); |
| if (err) |
| goto release_fb; |
| |
| err = register_framebuffer(fb_info); |
| if (err < 0) |
| goto release_fb; |
| |
| sm750_dev->fb_count++; |
| |
| return 0; |
| |
| release_fb: |
| framebuffer_release(fb_info); |
| return err; |
| } |
| |
| static int lynxfb_kick_out_firmware_fb(struct pci_dev *pdev) |
| { |
| struct apertures_struct *ap; |
| bool primary = false; |
| |
| ap = alloc_apertures(1); |
| if (!ap) |
| return -ENOMEM; |
| |
| ap->ranges[0].base = pci_resource_start(pdev, 0); |
| ap->ranges[0].size = pci_resource_len(pdev, 0); |
| #ifdef CONFIG_X86 |
| primary = pdev->resource[PCI_ROM_RESOURCE].flags & |
| IORESOURCE_ROM_SHADOW; |
| #endif |
| remove_conflicting_framebuffers(ap, "sm750_fb1", primary); |
| kfree(ap); |
| return 0; |
| } |
| |
| static int lynxfb_pci_probe(struct pci_dev *pdev, |
| const struct pci_device_id *ent) |
| { |
| struct sm750_dev *sm750_dev = NULL; |
| int max_fb; |
| int fbidx; |
| int err; |
| |
| err = lynxfb_kick_out_firmware_fb(pdev); |
| if (err) |
| return err; |
| |
| /* enable device */ |
| err = pcim_enable_device(pdev); |
| if (err) |
| return err; |
| |
| err = -ENOMEM; |
| sm750_dev = devm_kzalloc(&pdev->dev, sizeof(*sm750_dev), GFP_KERNEL); |
| if (!sm750_dev) |
| return err; |
| |
| sm750_dev->fbinfo[0] = sm750_dev->fbinfo[1] = NULL; |
| sm750_dev->devid = pdev->device; |
| sm750_dev->revid = pdev->revision; |
| sm750_dev->pdev = pdev; |
| sm750_dev->mtrr_off = g_nomtrr; |
| sm750_dev->mtrr.vram = 0; |
| sm750_dev->accel_off = g_noaccel; |
| spin_lock_init(&sm750_dev->slock); |
| |
| if (!sm750_dev->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 |
| */ |
| sm750_dev->accel.de_init = sm750_hw_de_init; |
| sm750_dev->accel.de_fillrect = sm750_hw_fillrect; |
| sm750_dev->accel.de_copyarea = sm750_hw_copyarea; |
| sm750_dev->accel.de_imageblit = sm750_hw_imageblit; |
| } |
| |
| /* call chip specific setup routine */ |
| sm750fb_setup(sm750_dev, g_settings); |
| |
| /* call chip specific mmap routine */ |
| err = hw_sm750_map(sm750_dev, pdev); |
| if (err) |
| return err; |
| |
| if (!sm750_dev->mtrr_off) |
| sm750_dev->mtrr.vram = arch_phys_wc_add(sm750_dev->vidmem_start, |
| sm750_dev->vidmem_size); |
| |
| memset_io(sm750_dev->pvMem, 0, sm750_dev->vidmem_size); |
| |
| pci_set_drvdata(pdev, sm750_dev); |
| |
| /* call chipInit routine */ |
| hw_sm750_inithw(sm750_dev, pdev); |
| |
| /* allocate frame buffer info structures according to g_dualview */ |
| max_fb = g_dualview ? 2 : 1; |
| for (fbidx = 0; fbidx < max_fb; fbidx++) { |
| err = sm750fb_frambuffer_alloc(sm750_dev, fbidx); |
| if (err) |
| goto release_fb; |
| } |
| |
| return 0; |
| |
| release_fb: |
| sm750fb_frambuffer_release(sm750_dev); |
| return err; |
| } |
| |
| static void lynxfb_pci_remove(struct pci_dev *pdev) |
| { |
| struct sm750_dev *sm750_dev; |
| |
| sm750_dev = pci_get_drvdata(pdev); |
| |
| sm750fb_frambuffer_release(sm750_dev); |
| arch_phys_wc_del(sm750_dev->mtrr.vram); |
| |
| iounmap(sm750_dev->pvReg); |
| iounmap(sm750_dev->pvMem); |
| kfree(g_settings); |
| } |
| |
| 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; |
| } else if (!strncmp(opt, "nomtrr", strlen("nomtrr"))) { |
| g_nomtrr = 1; |
| } else if (!strncmp(opt, "dual", strlen("dual"))) { |
| g_dualview = 1; |
| } else { |
| strcat(tmp, opt); |
| tmp += strlen(opt); |
| if (options) |
| *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 const 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; |
| |
| #ifdef MODULE |
| option = g_option; |
| #else |
| if (fb_get_options("sm750fb", &option)) |
| return -ENODEV; |
| #endif |
| |
| lynxfb_setup(option); |
| return pci_register_driver(&lynxfb_driver); |
| } |
| module_init(lynxfb_init); |
| |
| static void __exit lynxfb_exit(void) |
| { |
| pci_unregister_driver(&lynxfb_driver); |
| } |
| module_exit(lynxfb_exit); |
| |
| module_param(g_option, charp, 0444); |
| |
| 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("Dual BSD/GPL"); |