diff options
author | James Morris <jmorris@namei.org> | 2008-09-21 17:41:56 -0700 |
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committer | James Morris <jmorris@namei.org> | 2008-09-21 17:41:56 -0700 |
commit | ab2b49518e743962f71b94246855c44ee9cf52cc (patch) | |
tree | 26b260a350f0a0a0d19b558bf147b812e3a1564c /drivers/video | |
parent | f058925b201357fba48d56cc9c1719ae274b2022 (diff) | |
parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) |
Merge branch 'master' into next
Conflicts:
MAINTAINERS
Thanks for breaking my tree :-)
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/atmel_lcdfb.c | 94 | ||||
-rw-r--r-- | drivers/video/bf54x-lq043fb.c | 2 | ||||
-rw-r--r-- | drivers/video/cirrusfb.c | 59 | ||||
-rw-r--r-- | drivers/video/tdfxfb.c | 9 |
4 files changed, 78 insertions, 86 deletions
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 9c5925927ec..75dac578104 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -208,6 +208,36 @@ static unsigned long compute_hozval(unsigned long xres, unsigned long lcdcon2) return value; } +static void atmel_lcdfb_stop_nowait(struct atmel_lcdfb_info *sinfo) +{ + /* Turn off the LCD controller and the DMA controller */ + lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, + sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET); + + /* Wait for the LCDC core to become idle */ + while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY) + msleep(10); + + lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0); +} + +static void atmel_lcdfb_stop(struct atmel_lcdfb_info *sinfo) +{ + atmel_lcdfb_stop_nowait(sinfo); + + /* Wait for DMA engine to become idle... */ + while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY) + msleep(10); +} + +static void atmel_lcdfb_start(struct atmel_lcdfb_info *sinfo) +{ + lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon); + lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, + (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) + | ATMEL_LCDC_PWR); +} + static void atmel_lcdfb_update_dma(struct fb_info *info, struct fb_var_screeninfo *var) { @@ -420,26 +450,8 @@ static void atmel_lcdfb_reset(struct atmel_lcdfb_info *sinfo) { might_sleep(); - /* LCD power off */ - lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET); - - /* wait for the LCDC core to become idle */ - while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY) - msleep(10); - - /* DMA disable */ - lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0); - - /* wait for DMA engine to become idle */ - while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY) - msleep(10); - - /* LCD power on */ - lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, - (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR); - - /* DMA enable */ - lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon); + atmel_lcdfb_stop(sinfo); + atmel_lcdfb_start(sinfo); } /** @@ -471,14 +483,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info) info->var.xres, info->var.yres, info->var.xres_virtual, info->var.yres_virtual); - /* Turn off the LCD controller and the DMA controller */ - lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET); - - /* Wait for the LCDC core to become idle */ - while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY) - msleep(10); - - lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0); + atmel_lcdfb_stop_nowait(sinfo); if (info->var.bits_per_pixel == 1) info->fix.visual = FB_VISUAL_MONO01; @@ -583,13 +588,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info) while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY) msleep(10); - dev_dbg(info->device, " * re-enable DMA engine\n"); - /* ...and enable it with updated configuration */ - lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon); - - dev_dbg(info->device, " * re-enable LCDC core\n"); - lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, - (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR); + atmel_lcdfb_start(sinfo); dev_dbg(info->device, " * DONE\n"); @@ -939,7 +938,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) ret = register_framebuffer(info); if (ret < 0) { dev_err(dev, "failed to register framebuffer device: %d\n", ret); - goto free_cmap; + goto reset_drvdata; } /* add selected videomode to modelist */ @@ -955,7 +954,8 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) return 0; - +reset_drvdata: + dev_set_drvdata(dev, NULL); free_cmap: fb_dealloc_cmap(&info->cmap); unregister_irqs: @@ -992,10 +992,11 @@ static int __exit atmel_lcdfb_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct fb_info *info = dev_get_drvdata(dev); - struct atmel_lcdfb_info *sinfo = info->par; + struct atmel_lcdfb_info *sinfo; - if (!sinfo) + if (!info || !info->par) return 0; + sinfo = info->par; cancel_work_sync(&sinfo->task); exit_backlight(sinfo); @@ -1030,11 +1031,20 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg) struct fb_info *info = platform_get_drvdata(pdev); struct atmel_lcdfb_info *sinfo = info->par; + /* + * We don't want to handle interrupts while the clock is + * stopped. It may take forever. + */ + lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL); + sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL); lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0); if (sinfo->atmel_lcdfb_power_control) sinfo->atmel_lcdfb_power_control(0); + + atmel_lcdfb_stop(sinfo); atmel_lcdfb_stop_clock(sinfo); + return 0; } @@ -1044,9 +1054,15 @@ static int atmel_lcdfb_resume(struct platform_device *pdev) struct atmel_lcdfb_info *sinfo = info->par; atmel_lcdfb_start_clock(sinfo); + atmel_lcdfb_start(sinfo); if (sinfo->atmel_lcdfb_power_control) sinfo->atmel_lcdfb_power_control(1); lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, sinfo->saved_lcdcon); + + /* Enable FIFO & DMA errors */ + lcdc_writel(sinfo, ATMEL_LCDC_IER, ATMEL_LCDC_UFLWI + | ATMEL_LCDC_OWRI | ATMEL_LCDC_MERI); + return 0; } diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 6d5aa806777..7644ed24956 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -58,7 +58,7 @@ #include <asm/gpio.h> #include <asm/portmux.h> -#include <asm/mach/bf54x-lq043.h> +#include <mach/bf54x-lq043.h> #define NO_BL_SUPPORT diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index c14b2435d23..e729fb27964 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -628,27 +628,18 @@ static long cirrusfb_get_mclk(long freq, int bpp, long *div) static int cirrusfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { - int nom, den; /* translyting from pixels->bytes */ - int yres, i; - static struct { int xres, yres; } modes[] = - { { 1600, 1280 }, - { 1280, 1024 }, - { 1024, 768 }, - { 800, 600 }, - { 640, 480 }, - { -1, -1 } }; + int yres; + /* memory size in pixels */ + unsigned pixels = info->screen_size * 8 / var->bits_per_pixel; switch (var->bits_per_pixel) { case 1: - nom = 4; - den = 8; + pixels /= 4; break; /* 8 pixel per byte, only 1/4th of mem usable */ case 8: case 16: case 24: case 32: - nom = var->bits_per_pixel / 8; - den = 1; break; /* 1 pixel == 1 byte */ default: printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..." @@ -658,43 +649,29 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, return -EINVAL; } - if (var->xres * nom / den * var->yres > info->screen_size) { - printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..." - "resolution too high to fit into video memory!\n", - var->xres, var->yres, var->bits_per_pixel); - DPRINTK("EXIT - EINVAL error\n"); - return -EINVAL; - } - + if (var->xres_virtual < var->xres) + var->xres_virtual = var->xres; /* use highest possible virtual resolution */ - if (var->xres_virtual == -1 && - var->yres_virtual == -1) { - printk(KERN_INFO - "cirrusfb: using maximum available virtual resolution\n"); - for (i = 0; modes[i].xres != -1; i++) { - int size = modes[i].xres * nom / den * modes[i].yres; - if (size < info->screen_size / 2) - break; - } - if (modes[i].xres == -1) { - printk(KERN_ERR "cirrusfb: could not find a virtual " - "resolution that fits into video memory!!\n"); - DPRINTK("EXIT - EINVAL error\n"); - return -EINVAL; - } - var->xres_virtual = modes[i].xres; - var->yres_virtual = modes[i].yres; + if (var->yres_virtual == -1) { + var->yres_virtual = pixels / var->xres_virtual; printk(KERN_INFO "cirrusfb: virtual resolution set to " "maximum of %dx%d\n", var->xres_virtual, var->yres_virtual); } - - if (var->xres_virtual < var->xres) - var->xres_virtual = var->xres; if (var->yres_virtual < var->yres) var->yres_virtual = var->yres; + if (var->xres_virtual * var->yres_virtual > pixels) { + printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected... " + "virtual resolution too high to fit into video memory!\n", + var->xres_virtual, var->yres_virtual, + var->bits_per_pixel); + DPRINTK("EXIT - EINVAL error\n"); + return -EINVAL; + } + + if (var->xoffset < 0) var->xoffset = 0; if (var->yoffset < 0) diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c index 77aafcfae03..4599a4385bc 100644 --- a/drivers/video/tdfxfb.c +++ b/drivers/video/tdfxfb.c @@ -95,7 +95,6 @@ static inline int mtrr_del(int reg, unsigned long base, #define VOODOO5_MAX_PIXCLOCK 350000 static struct fb_fix_screeninfo tdfx_fix __devinitdata = { - .id = "3Dfx", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_PSEUDOCOLOR, .ypanstep = 1, @@ -426,7 +425,7 @@ static unsigned long do_lfb_size(struct tdfx_par *par, unsigned short dev_id) if (dev_id < PCI_DEVICE_ID_3DFX_VOODOO5) { /* Banshee/Voodoo3 */ chip_size = 2; - if (has_sgram && (draminit0 & DRAMINIT0_SGRAM_TYPE)) + if (has_sgram && !(draminit0 & DRAMINIT0_SGRAM_TYPE)) chip_size = 1; } else { /* Voodoo4/5 */ @@ -1200,15 +1199,15 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev, /* Configure the default fb_fix_screeninfo first */ switch (pdev->device) { case PCI_DEVICE_ID_3DFX_BANSHEE: - strcat(tdfx_fix.id, " Banshee"); + strcpy(tdfx_fix.id, "3Dfx Banshee"); default_par->max_pixclock = BANSHEE_MAX_PIXCLOCK; break; case PCI_DEVICE_ID_3DFX_VOODOO3: - strcat(tdfx_fix.id, " Voodoo3"); + strcpy(tdfx_fix.id, "3Dfx Voodoo3"); default_par->max_pixclock = VOODOO3_MAX_PIXCLOCK; break; case PCI_DEVICE_ID_3DFX_VOODOO5: - strcat(tdfx_fix.id, " Voodoo5"); + strcpy(tdfx_fix.id, "3Dfx Voodoo5"); default_par->max_pixclock = VOODOO5_MAX_PIXCLOCK; break; } |