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-rw-r--r--drivers/video/Kconfig3
-rw-r--r--drivers/video/cirrusfb.c6
-rw-r--r--drivers/video/console/fbcon.c4
-rw-r--r--drivers/video/fsl-diu-fb.c33
-rw-r--r--drivers/video/hgafb.c26
-rw-r--r--drivers/video/leo.c58
-rw-r--r--drivers/video/modedb.c2
-rw-r--r--drivers/video/pxafb.c58
-rw-r--r--drivers/video/w100fb.c1
-rw-r--r--drivers/video/xen-fbfront.c211
10 files changed, 286 insertions, 116 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 002b61b..e0c5f96 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1825,12 +1825,13 @@ config FB_FSL_DIU
config FB_W100
tristate "W100 frame buffer support"
- depends on FB && PXA_SHARPSL
+ depends on FB && ARCH_PXA
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
---help---
Frame buffer driver for the w100 as found on the Sharp SL-Cxx series.
+ It can also drive the w3220 chip found on iPAQ hx4700.
This driver is also available as a module ( = code which can be
inserted and removed from the running kernel whenever you want). The
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index 35ac9d9..c14b243 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -2432,9 +2432,9 @@ static int cirrusfb_pci_register(struct pci_dev *pdev,
info->screen_size = board_size;
cinfo->unmap = cirrusfb_pci_unmap;
- printk(KERN_INFO " RAM (%lu kB) at 0xx%lx, ",
- info->screen_size >> 10, board_addr);
- printk(KERN_INFO "Cirrus Logic chipset on PCI bus\n");
+ printk(KERN_INFO "RAM (%lu kB) at 0x%lx, Cirrus "
+ "Logic chipset on PCI bus\n",
+ info->screen_size >> 10, board_addr);
pci_set_drvdata(pdev, info);
ret = cirrusfb_register(info);
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 5fa8b76..97aff8d 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -2275,9 +2275,7 @@ static int fbcon_switch(struct vc_data *vc)
* in fb_set_var()
*/
info->var.activate = var.activate;
- var.yoffset = info->var.yoffset;
- var.xoffset = info->var.xoffset;
- var.vmode = info->var.vmode;
+ var.vmode |= info->var.vmode & ~FB_VMODE_MASK;
fb_set_var(info, &var);
ops->var = info->var;
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index b50bb03..712dabc 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -286,7 +286,7 @@ static struct diu_pool pool;
* rheap and make the furture large allocation fail.
*/
-void *fsl_diu_alloc(unsigned long size, phys_addr_t *phys)
+static void *fsl_diu_alloc(unsigned long size, phys_addr_t *phys)
{
void *virt;
@@ -311,12 +311,12 @@ void *fsl_diu_alloc(unsigned long size, phys_addr_t *phys)
memset(virt, 0, size);
}
- pr_debug("rh virt=%p phys=%lx\n", virt, *phys);
+ pr_debug("rh virt=%p phys=%llx\n", virt, (unsigned long long)*phys);
return virt;
}
-void fsl_diu_free(void *p, unsigned long size)
+static void fsl_diu_free(void *p, unsigned long size)
{
pr_debug("p=%p size=%lu\n", p, size);
@@ -770,7 +770,7 @@ static int map_video_memory(struct fb_info *info)
info->fix.smem_len = info->fix.line_length * info->var.yres_virtual;
pr_debug("MAP_VIDEO_MEMORY: smem_len = %d\n", info->fix.smem_len);
info->screen_base = fsl_diu_alloc(info->fix.smem_len, &phys);
- if (info->screen_base == 0) {
+ if (info->screen_base == NULL) {
printk(KERN_ERR "Unable to allocate fb memory\n");
return -ENOMEM;
}
@@ -788,7 +788,7 @@ static int map_video_memory(struct fb_info *info)
static void unmap_video_memory(struct fb_info *info)
{
fsl_diu_free(info->screen_base, info->fix.smem_len);
- info->screen_base = 0;
+ info->screen_base = NULL;
info->fix.smem_start = 0;
info->fix.smem_len = 0;
}
@@ -1158,7 +1158,7 @@ static int init_fbinfo(struct fb_info *info)
return 0;
}
-static int install_fb(struct fb_info *info)
+static int __devinit install_fb(struct fb_info *info)
{
int rc;
struct mfb_info *mfbi = info->par;
@@ -1233,7 +1233,7 @@ static int install_fb(struct fb_info *info)
return 0;
}
-static void __exit uninstall_fb(struct fb_info *info)
+static void uninstall_fb(struct fb_info *info)
{
struct mfb_info *mfbi = info->par;
@@ -1287,7 +1287,7 @@ static int request_irq_local(int irq)
/* Read to clear the status */
status = in_be32(&hw->int_status);
- ret = request_irq(irq, fsl_diu_isr, 0, "diu", 0);
+ ret = request_irq(irq, fsl_diu_isr, 0, "diu", NULL);
if (ret)
pr_info("Request diu IRQ failed.\n");
else {
@@ -1312,7 +1312,7 @@ static void free_irq_local(int irq)
/* Disable all LCDC interrupt */
out_be32(&hw->int_mask, 0x1f);
- free_irq(irq, 0);
+ free_irq(irq, NULL);
}
#ifdef CONFIG_PM
@@ -1320,21 +1320,21 @@ static void free_irq_local(int irq)
* Power management hooks. Note that we won't be called from IRQ context,
* unlike the blank functions above, so we may sleep.
*/
-static int fsl_diu_suspend(struct of_device *dev, pm_message_t state)
+static int fsl_diu_suspend(struct of_device *ofdev, pm_message_t state)
{
struct fsl_diu_data *machine_data;
- machine_data = dev_get_drvdata(&ofdev->dev);
+ machine_data = dev_get_drvdata(&dev->dev);
disable_lcdc(machine_data->fsl_diu_info[0]);
return 0;
}
-static int fsl_diu_resume(struct of_device *dev)
+static int fsl_diu_resume(struct of_device *ofdev)
{
struct fsl_diu_data *machine_data;
- machine_data = dev_get_drvdata(&ofdev->dev);
+ machine_data = dev_get_drvdata(&dev->dev);
enable_lcdc(machine_data->fsl_diu_info[0]);
return 0;
@@ -1353,7 +1353,8 @@ static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align)
dma_addr_t paddr = 0;
ssize = size + bytes_align;
- buf->vaddr = dma_alloc_coherent(0, ssize, &paddr, GFP_DMA | __GFP_ZERO);
+ buf->vaddr = dma_alloc_coherent(NULL, ssize, &paddr, GFP_DMA |
+ __GFP_ZERO);
if (!buf->vaddr)
return -ENOMEM;
@@ -1371,7 +1372,7 @@ static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align)
static void free_buf(struct diu_addr *buf, u32 size, u32 bytes_align)
{
- dma_free_coherent(0, size + bytes_align,
+ dma_free_coherent(NULL, size + bytes_align,
buf->vaddr, (buf->paddr - buf->offset));
return;
}
@@ -1411,7 +1412,7 @@ static ssize_t show_monitor(struct device *device,
return diu_ops.show_monitor_port(machine_data->monitor_port, buf);
}
-static int fsl_diu_probe(struct of_device *ofdev,
+static int __devinit fsl_diu_probe(struct of_device *ofdev,
const struct of_device_id *match)
{
struct device_node *np = ofdev->node;
diff --git a/drivers/video/hgafb.c b/drivers/video/hgafb.c
index fb9e672..c18880d 100644
--- a/drivers/video/hgafb.c
+++ b/drivers/video/hgafb.c
@@ -279,7 +279,7 @@ static void hga_blank(int blank_mode)
static int __init hga_card_detect(void)
{
- int count=0;
+ int count = 0;
void __iomem *p, *q;
unsigned short p_save, q_save;
@@ -303,20 +303,18 @@ static int __init hga_card_detect(void)
writew(0x55aa, p); if (readw(p) == 0x55aa) count++;
writew(p_save, p);
- if (count != 2) {
- return 0;
- }
+ if (count != 2)
+ goto error;
/* Ok, there is definitely a card registering at the correct
* memory location, so now we do an I/O port test.
*/
- if (!test_hga_b(0x66, 0x0f)) { /* cursor low register */
- return 0;
- }
- if (!test_hga_b(0x99, 0x0f)) { /* cursor low register */
- return 0;
- }
+ if (!test_hga_b(0x66, 0x0f)) /* cursor low register */
+ goto error;
+
+ if (!test_hga_b(0x99, 0x0f)) /* cursor low register */
+ goto error;
/* See if the card is a Hercules, by checking whether the vsync
* bit of the status register is changing. This test lasts for
@@ -331,7 +329,7 @@ static int __init hga_card_detect(void)
}
if (p_save == q_save)
- return 0;
+ goto error;
switch (inb_p(HGA_STATUS_PORT) & 0x70) {
case 0x10:
@@ -348,6 +346,12 @@ static int __init hga_card_detect(void)
break;
}
return 1;
+error:
+ if (release_io_ports)
+ release_region(0x3b0, 12);
+ if (release_io_port)
+ release_region(0x3bf, 1);
+ return 0;
}
/**
diff --git a/drivers/video/leo.c b/drivers/video/leo.c
index 8bc46e9..13fea61 100644
--- a/drivers/video/leo.c
+++ b/drivers/video/leo.c
@@ -17,8 +17,8 @@
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/of_device.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@@ -33,7 +33,6 @@ static int leo_blank(int, struct fb_info *);
static int leo_mmap(struct fb_info *, struct vm_area_struct *);
static int leo_ioctl(struct fb_info *, unsigned int, unsigned long);
-static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *);
/*
* Frame buffer operations
@@ -43,7 +42,6 @@ static struct fb_ops leo_ops = {
.owner = THIS_MODULE,
.fb_setcolreg = leo_setcolreg,
.fb_blank = leo_blank,
- .fb_pan_display = leo_pan_display,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
@@ -78,7 +76,7 @@ static struct fb_ops leo_ops = {
#define LEO_CUR_TYPE_CMAP 0x00000050
struct leo_cursor {
- u8 xxx0[16];
+ u8 xxx0[16];
u32 cur_type;
u32 cur_misc;
u32 cur_cursxy;
@@ -105,7 +103,7 @@ struct leo_lx_krn {
struct leo_lc_ss0_krn {
u32 misc;
- u8 xxx0[0x800-4];
+ u8 xxx0[0x800-4];
u32 rev;
};
@@ -116,7 +114,7 @@ struct leo_lc_ss0_usr {
u32 fontt;
u32 extent;
u32 src;
- u32 dst;
+ u32 dst;
u32 copy;
u32 fill;
};
@@ -129,8 +127,8 @@ struct leo_lc_ss1_usr {
u8 unknown;
};
-struct leo_ld {
- u8 xxx0[0xe00];
+struct leo_ld_ss0 {
+ u8 xxx0[0xe00];
u32 csr;
u32 wid;
u32 wmask;
@@ -144,13 +142,13 @@ struct leo_ld {
u32 src; /* Copy/Scroll (SS0 only) */
u32 dst; /* Copy/Scroll/Fill (SS0 only) */
u32 extent; /* Copy/Scroll/Fill size (SS0 only) */
- u32 xxx1[3];
+ u32 xxx1[3];
u32 setsem; /* SS1 only */
u32 clrsem; /* SS1 only */
u32 clrpick; /* SS1 only */
u32 clrdat; /* SS1 only */
u32 alpha; /* SS1 only */
- u8 xxx2[0x2c];
+ u8 xxx2[0x2c];
u32 winbg;
u32 planemask;
u32 rop;
@@ -199,11 +197,12 @@ struct leo_par {
static void leo_wait(struct leo_lx_krn __iomem *lx_krn)
{
int i;
-
+
for (i = 0;
- (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && i < 300000;
+ (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) &&
+ i < 300000;
i++)
- udelay (1); /* Busy wait at most 0.3 sec */
+ udelay(1); /* Busy wait at most 0.3 sec */
return;
}
@@ -221,7 +220,7 @@ static int leo_setcolreg(unsigned regno,
unsigned transp, struct fb_info *info)
{
struct leo_par *par = (struct leo_par *) info->par;
- struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
+ struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
unsigned long flags;
u32 val;
int i;
@@ -408,7 +407,7 @@ static void leo_wid_put(struct fb_info *info, struct fb_wid_list *wl)
leo_wait(lx_krn);
for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) {
- switch(wi->wi_type) {
+ switch (wi->wi_type) {
case FB_WID_DBL_8:
j = (wi->wi_index & 0xf) + 0x40;
break;
@@ -453,13 +452,12 @@ static void leo_init_wids(struct fb_info *info)
wi.wi_index = 1;
wi.wi_values [0] = 0x30;
leo_wid_put(info, &wl);
-
}
static void leo_switch_from_graph(struct fb_info *info)
{
struct leo_par *par = (struct leo_par *) info->par;
- struct leo_ld __iomem *ss = (struct leo_ld __iomem *) par->ld_ss0;
+ struct leo_ld_ss0 __iomem *ss = par->ld_ss0;
unsigned long flags;
u32 val;
@@ -485,19 +483,13 @@ static void leo_switch_from_graph(struct fb_info *info)
val = sbus_readl(&par->lc_ss0_usr->csr);
} while (val & 0x20000000);
- spin_unlock_irqrestore(&par->lock, flags);
-}
-
-static int leo_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
-{
- /* We just use this to catch switches out of
- * graphics mode.
- */
- leo_switch_from_graph(info);
+ /* setup screen buffer for cfb_* functions */
+ sbus_writel(1, &ss->wid);
+ sbus_writel(0x00ffffff, &ss->planemask);
+ sbus_writel(0x310b90, &ss->rop);
+ sbus_writel(0, &par->lc_ss0_usr->addrspace);
- if (var->xoffset || var->yoffset || var->vmode)
- return -EINVAL;
- return 0;
+ spin_unlock_irqrestore(&par->lock, flags);
}
static void leo_init_hw(struct fb_info *info)
@@ -542,7 +534,8 @@ static void leo_unmap_regs(struct of_device *op, struct fb_info *info,
of_iounmap(&op->resource[0], info->screen_base, 0x800000);
}
-static int __devinit leo_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit leo_probe(struct of_device *op,
+ const struct of_device_id *match)
{
struct device_node *dp = op->node;
struct fb_info *info;
@@ -594,8 +587,9 @@ static int __devinit leo_probe(struct of_device *op, const struct of_device_id *
!info->screen_base)
goto out_unmap_regs;
- info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
+ info->flags = FBINFO_DEFAULT;
info->fbops = &leo_ops;
+ info->pseudo_palette = par->clut_data;
leo_init_wids(info);
leo_init_hw(info);
@@ -649,7 +643,7 @@ static int __devexit leo_remove(struct of_device *op)
static struct of_device_id leo_match[] = {
{
- .name = "leo",
+ .name = "SUNW,leo",
},
{},
};
diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c
index 4735621..d3c3af5 100644
--- a/drivers/video/modedb.c
+++ b/drivers/video/modedb.c
@@ -28,6 +28,7 @@
#endif
const char *fb_mode_option;
+EXPORT_SYMBOL_GPL(fb_mode_option);
/*
* Standard video mode definitions (taken from XFree86)
@@ -590,6 +591,7 @@ done:
"", (margins) ? " with margins" : "", (interlace) ?
" interlaced" : "");
+ memset(&cvt_mode, 0, sizeof(cvt_mode));
cvt_mode.xres = xres;
cvt_mode.yres = yres;
cvt_mode.refresh = (refresh) ? refresh : 60;
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 274bc93..fafe7db 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -573,8 +573,8 @@ static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,
dma_desc->fdadr = fbi->dma_buff_phys + dma_desc_off;
fbi->fdadr[dma] = fbi->dma_buff_phys + dma_desc_off;
} else {
- pal_desc = &fbi->dma_buff->pal_desc[dma];
- pal_desc_off = offsetof(struct pxafb_dma_buff, dma_desc[pal]);
+ pal_desc = &fbi->dma_buff->pal_desc[pal];
+ pal_desc_off = offsetof(struct pxafb_dma_buff, pal_desc[pal]);
pal_desc->fsadr = fbi->dma_buff_phys + pal * PALETTE_SIZE;
pal_desc->fidr = 0;
@@ -1246,7 +1246,7 @@ static int pxafb_resume(struct platform_device *dev)
* cache. Once this area is remapped, all virtual memory
* access to the video memory should occur at the new region.
*/
-static int __init pxafb_map_video_memory(struct pxafb_info *fbi)
+static int __devinit pxafb_map_video_memory(struct pxafb_info *fbi)
{
/*
* We reserve one page for the palette, plus the size
@@ -1276,6 +1276,8 @@ static int __init pxafb_map_video_memory(struct pxafb_info *fbi)
fbi->dma_buff_phys = fbi->map_dma;
fbi->palette_cpu = (u16 *) fbi->dma_buff->palette;
+ pr_debug("pxafb: palette_mem_size = 0x%08lx\n", fbi->palette_size*sizeof(u16));
+
#ifdef CONFIG_FB_PXA_SMARTPANEL
fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff;
fbi->n_smart_cmds = 0;
@@ -1346,7 +1348,7 @@ decode_mode:
pxafb_decode_mode_info(fbi, inf->modes, inf->num_modes);
}
-static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
+static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
{
struct pxafb_info *fbi;
void *addr;
@@ -1408,7 +1410,7 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
}
#ifdef CONFIG_FB_PXA_PARAMETERS
-static int __init parse_opt_mode(struct device *dev, const char *this_opt)
+static int __devinit parse_opt_mode(struct device *dev, const char *this_opt)
{
struct pxafb_mach_info *inf = dev->platform_data;
@@ -1467,7 +1469,7 @@ done:
return 0;
}
-static int __init parse_opt(struct device *dev, char *this_opt)
+static int __devinit parse_opt(struct device *dev, char *this_opt)
{
struct pxafb_mach_info *inf = dev->platform_data;
struct pxafb_mode_info *mode = &inf->modes[0];
@@ -1565,7 +1567,7 @@ static int __init parse_opt(struct device *dev, char *this_opt)
return 0;
}
-static int __init pxafb_parse_options(struct device *dev, char *options)
+static int __devinit pxafb_parse_options(struct device *dev, char *options)
{
char *this_opt;
int ret;
@@ -1586,8 +1588,8 @@ static int __init pxafb_parse_options(struct device *dev, char *options)
static char g_options[256] __devinitdata = "";
-#ifndef CONFIG_MODULES
-static int __devinit pxafb_setup_options(void)
+#ifndef MODULE
+static int __init pxafb_setup_options(void)
{
char *options = NULL;
@@ -1611,7 +1613,7 @@ MODULE_PARM_DESC(options, "LCD parameters (see Documentation/fb/pxafb.txt)");
#define pxafb_setup_options() (0)
#endif
-static int __init pxafb_probe(struct platform_device *dev)
+static int __devinit pxafb_probe(struct platform_device *dev)
{
struct pxafb_info *fbi;
struct pxafb_mach_info *inf;
@@ -1683,14 +1685,14 @@ static int __init pxafb_probe(struct platform_device *dev)
if (r == NULL) {
dev_err(&dev->dev, "no I/O memory resource defined\n");
ret = -ENODEV;
- goto failed;
+ goto failed_fbi;
}
r = request_mem_region(r->start, r->end - r->start + 1, dev->name);
if (r == NULL) {
dev_err(&dev->dev, "failed to request I/O memory\n");
ret = -EBUSY;
- goto failed;
+ goto failed_fbi;
}
fbi->mmio_base = ioremap(r->start, r->end - r->start + 1);
@@ -1733,8 +1735,17 @@ static int __init pxafb_probe(struct platform_device *dev)
* This makes sure that our colour bitfield
* descriptors are correctly initialised.
*/
- pxafb_check_var(&fbi->fb.var, &fbi->fb);
- pxafb_set_par(&fbi->fb);
+ ret = pxafb_check_var(&fbi->fb.var, &fbi->fb);
+ if (ret) {
+ dev_err(&dev->dev, "failed to get suitable mode\n");
+ goto failed_free_irq;
+ }
+
+ ret = pxafb_set_par(&fbi->fb);
+ if (ret) {
+ dev_err(&dev->dev, "Failed to set parameters\n");
+ goto failed_free_irq;
+ }
platform_set_drvdata(dev, fbi);
@@ -1742,7 +1753,7 @@ static int __init pxafb_probe(struct platform_device *dev)
if (ret < 0) {
dev_err(&dev->dev,
"Failed to register framebuffer device: %d\n", ret);
- goto failed_free_irq;
+ goto failed_free_cmap;
}
#ifdef CONFIG_CPU_FREQ
@@ -1761,18 +1772,23 @@ static int __init pxafb_probe(struct platform_device *dev)
return 0;
+failed_free_cmap:
+ if (fbi->fb.cmap.len)
+ fb_dealloc_cmap(&fbi->fb.cmap);
failed_free_irq:
free_irq(irq, fbi);
-failed_free_res:
- release_mem_region(r->start, r->end - r->start + 1);
-failed_free_io:
- iounmap(fbi->mmio_base);
failed_free_mem:
dma_free_writecombine(&dev->dev, fbi->map_size,
fbi->map_cpu, fbi->map_dma);
-failed:
+failed_free_io:
+ iounmap(fbi->mmio_base);
+failed_free_res:
+ release_mem_region(r->start, r->end - r->start + 1);
+failed_fbi:
+ clk_put(fbi->clk);
platform_set_drvdata(dev, NULL);
kfree(fbi);
+failed:
return ret;
}
@@ -1785,7 +1801,7 @@ static struct platform_driver pxafb_driver = {
},
};
-static int __devinit pxafb_init(void)
+static int __init pxafb_init(void)
{
if (pxafb_setup_options())
return -EINVAL;
diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index 30469bf..d0674f1 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -1003,6 +1003,7 @@ static struct w100_pll_info xtal_14318000[] = {
static struct w100_pll_info xtal_16000000[] = {
/*freq M N_int N_fac tfgoal lock_time */
{ 72, 1, 8, 0, 0xe0, 48}, /* tfgoal guessed */
+ { 80, 1, 9, 0, 0xe0, 13}, /* tfgoal guessed */
{ 95, 1, 10, 7, 0xe0, 38}, /* tfgoal guessed */
{ 96, 1, 11, 0, 0xe0, 36}, /* tfgoal guessed */
{ 0, 0, 0, 0, 0, 0},
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 619a6f8..47ed39b 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -18,6 +18,7 @@
* frame buffer.
*/
+#include <linux/console.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/fb.h>
@@ -42,37 +43,68 @@ struct xenfb_info {
struct xenfb_page *page;
unsigned long *mfns;
int update_wanted; /* XENFB_TYPE_UPDATE wanted */
+ int feature_resize; /* XENFB_TYPE_RESIZE ok */
+ struct xenfb_resize resize; /* protected by resize_lock */
+ int resize_dpy; /* ditto */
+ spinlock_t resize_lock;
struct xenbus_device *xbdev;
};
-static u32 xenfb_mem_len = XENFB_WIDTH * XENFB_HEIGHT * XENFB_DEPTH / 8;
+#define XENFB_DEFAULT_FB_LEN (XENFB_WIDTH * XENFB_HEIGHT * XENFB_DEPTH / 8)
+enum { KPARAM_MEM, KPARAM_WIDTH, KPARAM_HEIGHT, KPARAM_CNT };
+static int video[KPARAM_CNT] = { 2, XENFB_WIDTH, XENFB_HEIGHT };
+module_param_array(video, int, NULL, 0);
+MODULE_PARM_DESC(video,
+ "Video memory size in MB, width, height in pixels (default 2,800,600)");
+
+static void xenfb_make_preferred_console(void);
static int xenfb_remove(struct xenbus_device *);
-static void xenfb_init_shared_page(struct xenfb_info *);
+static void xenfb_init_shared_page(struct xenfb_info *, struct fb_info *);
static int xenfb_connect_backend(struct xenbus_device *, struct xenfb_info *);
static void xenfb_disconnect_backend(struct xenfb_info *);
+static void xenfb_send_event(struct xenfb_info *info,
+ union xenfb_out_event *event)
+{
+ u32 prod;
+
+ prod = info->page->out_prod;
+ /* caller ensures !xenfb_queue_full() */
+ mb(); /* ensure ring space available */
+ XENFB_OUT_RING_REF(info->page, prod) = *event;
+ wmb(); /* ensure ring contents visible */
+ info->page->out_prod = prod + 1;
+
+ notify_remote_via_irq(info->irq);
+}
+
static void xenfb_do_update(struct xenfb_info *info,
int x, int y, int w, int h)
{
union xenfb_out_event event;
- u32 prod;
+ memset(&event, 0, sizeof(event));
event.type = XENFB_TYPE_UPDATE;
event.update.x = x;
event.update.y = y;
event.update.width = w;
event.update.height = h;
- prod = info->page->out_prod;
/* caller ensures !xenfb_queue_full() */
- mb(); /* ensure ring space available */
- XENFB_OUT_RING_REF(info->page, prod) = event;
- wmb(); /* ensure ring contents visible */
- info->page->out_prod = prod + 1;
+ xenfb_send_event(info, &event);
+}
- notify_remote_via_irq(info->irq);
+static void xenfb_do_resize(struct xenfb_info *info)
+{
+ union xenfb_out_event event;
+
+ memset(&event, 0, sizeof(event));
+ event.resize = info->resize;
+
+ /* caller ensures !xenfb_queue_full() */
+ xenfb_send_event(info, &event);
}
static int xenfb_queue_full(struct xenfb_info *info)
@@ -84,12 +116,28 @@ static int xenfb_queue_full(struct xenfb_info *info)
return prod - cons == XENFB_OUT_RING_LEN;
}
+static void xenfb_handle_resize_dpy(struct xenfb_info *info)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&info->resize_lock, flags);
+ if (info->resize_dpy) {
+ if (!xenfb_queue_full(info)) {
+ info->resize_dpy = 0;
+ xenfb_do_resize(info);
+ }
+ }
+ spin_unlock_irqrestore(&info->resize_lock, flags);
+}
+
static void xenfb_refresh(struct xenfb_info *info,
int x1, int y1, int w, int h)
{
unsigned long flags;
- int y2 = y1 + h - 1;
int x2 = x1 + w - 1;
+ int y2 = y1 + h - 1;
+
+ xenfb_handle_resize_dpy(info);
if (!info->update_wanted)
return;
@@ -222,6 +270,57 @@ static ssize_t xenfb_write(struct fb_info *p, const char __user *buf,
return res;
}
+static int
+xenfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ struct xenfb_info *xenfb_info;
+ int required_mem_len;
+
+ xenfb_info = info->par;
+
+ if (!xenfb_info->feature_resize) {
+ if (var->xres == video[KPARAM_WIDTH] &&
+ var->yres == video[KPARAM_HEIGHT] &&
+ var->bits_per_pixel == xenfb_info->page->depth) {
+ return 0;
+ }
+ return -EINVAL;
+ }
+
+ /* Can't resize past initial width and height */
+ if (var->xres > video[KPARAM_WIDTH] || var->yres > video[KPARAM_HEIGHT])
+ return -EINVAL;
+
+ required_mem_len = var->xres * var->yres * xenfb_info->page->depth / 8;
+ if (var->bits_per_pixel == xenfb_info->page->depth &&
+ var->xres <= info->fix.line_length / (XENFB_DEPTH / 8) &&
+ required_mem_len <= info->fix.smem_len) {
+ var->xres_virtual = var->xres;
+ var->yres_virtual = var->yres;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int xenfb_set_par(struct fb_info *info)
+{
+ struct xenfb_info *xenfb_info;
+ unsigned long flags;
+
+ xenfb_info = info->par;
+
+ spin_lock_irqsave(&xenfb_info->resize_lock, flags);
+ xenfb_info->resize.type = XENFB_TYPE_RESIZE;
+ xenfb_info->resize.width = info->var.xres;
+ xenfb_info->resize.height = info->var.yres;
+ xenfb_info->resize.stride = info->fix.line_length;
+ xenfb_info->resize.depth = info->var.bits_per_pixel;
+ xenfb_info->resize.offset = 0;
+ xenfb_info->resize_dpy = 1;
+ spin_unlock_irqrestore(&xenfb_info->resize_lock, flags);
+ return 0;
+}
+
static struct fb_ops xenfb_fb_ops = {
.owner = THIS_MODULE,
.fb_read = fb_sys_read,
@@ -230,6 +329,8 @@ static struct fb_ops xenfb_fb_ops = {
.fb_fillrect = xenfb_fillrect,
.fb_copyarea = xenfb_copyarea,
.fb_imageblit = xenfb_imageblit,
+ .fb_check_var = xenfb_check_var,
+ .fb_set_par = xenfb_set_par,
};
static irqreturn_t xenfb_event_handler(int rq, void *dev_id)
@@ -258,6 +359,8 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
{
struct xenfb_info *info;
struct fb_info *fb_info;
+ int fb_size;
+ int val;
int ret;
info = kzalloc(sizeof(*info), GFP_KERNEL);
@@ -265,18 +368,35 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
xenbus_dev_fatal(dev, -ENOMEM, "allocating info structure");
return -ENOMEM;
}
+
+ /* Limit kernel param videoram amount to what is in xenstore */
+ if (xenbus_scanf(XBT_NIL, dev->otherend, "videoram", "%d", &val) == 1) {
+ if (val < video[KPARAM_MEM])
+ video[KPARAM_MEM] = val;
+ }
+
+ /* If requested res does not fit in available memory, use default */
+ fb_size = video[KPARAM_MEM] * 1024 * 1024;
+ if (video[KPARAM_WIDTH] * video[KPARAM_HEIGHT] * XENFB_DEPTH / 8
+ > fb_size) {
+ video[KPARAM_WIDTH] = XENFB_WIDTH;
+ video[KPARAM_HEIGHT] = XENFB_HEIGHT;
+ fb_size = XENFB_DEFAULT_FB_LEN;
+ }
+
dev->dev.driver_data = info;
info->xbdev = dev;
info->irq = -1;
info->x1 = info->y1 = INT_MAX;
spin_lock_init(&info->dirty_lock);
+ spin_lock_init(&info->resize_lock);
- info->fb = vmalloc(xenfb_mem_len);
+ info->fb = vmalloc(fb_size);
if (info->fb == NULL)
goto error_nomem;
- memset(info->fb, 0, xenfb_mem_len);
+ memset(info->fb, 0, fb_size);
- info->nr_pages = (xenfb_mem_len + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ info->nr_pages = (fb_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
info->mfns = vmalloc(sizeof(unsigned long) * info->nr_pages);
if (!info->mfns)
@@ -287,8 +407,6 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
if (!info->page)
goto error_nomem;
- xenfb_init_shared_page(info);
-
/* abusing framebuffer_alloc() to allocate pseudo_palette */
fb_info = framebuffer_alloc(sizeof(u32) * 256, NULL);
if (fb_info == NULL)
@@ -301,9 +419,9 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
fb_info->screen_base = info->fb;
fb_info->fbops = &xenfb_fb_ops;
- fb_info->var.xres_virtual = fb_info->var.xres = info->page->width;
- fb_info->var.yres_virtual = fb_info->var.yres = info->page->height;
- fb_info->var.bits_per_pixel = info->page->depth;
+ fb_info->var.xres_virtual = fb_info->var.xres = video[KPARAM_WIDTH];
+ fb_info->var.yres_virtual = fb_info->var.yres = video[KPARAM_HEIGHT];
+ fb_info->var.bits_per_pixel = XENFB_DEPTH;
fb_info->var.red = (struct fb_bitfield){16, 8, 0};
fb_info->var.green = (struct fb_bitfield){8, 8, 0};
@@ -315,9 +433,9 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
fb_info->var.vmode = FB_VMODE_NONINTERLACED;
fb_info->fix.visual = FB_VISUAL_TRUECOLOR;
- fb_info->fix.line_length = info->page->line_length;
+ fb_info->fix.line_length = fb_info->var.xres * XENFB_DEPTH / 8;
fb_info->fix.smem_start = 0;
- fb_info->fix.smem_len = xenfb_mem_len;
+ fb_info->fix.smem_len = fb_size;
strcpy(fb_info->fix.id, "xen");
fb_info->fix.type = FB_TYPE_PACKED_PIXELS;
fb_info->fix.accel = FB_ACCEL_NONE;
@@ -334,6 +452,8 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
fb_info->fbdefio = &xenfb_defio;
fb_deferred_io_init(fb_info);
+ xenfb_init_shared_page(info, fb_info);
+
ret = register_framebuffer(fb_info);
if (ret) {
fb_deferred_io_cleanup(fb_info);
@@ -348,6 +468,7 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
if (ret < 0)
goto error;
+ xenfb_make_preferred_console();
return 0;
error_nomem:
@@ -358,12 +479,34 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
return ret;
}
+static __devinit void
+xenfb_make_preferred_console(void)
+{
+ struct console *c;
+
+ if (console_set_on_cmdline)
+ return;
+
+ acquire_console_sem();
+ for (c = console_drivers; c; c = c->next) {
+ if (!strcmp(c->name, "tty") && c->index == 0)
+ break;
+ }
+ release_console_sem();
+ if (c) {
+ unregister_console(c);
+ c->flags |= CON_CONSDEV;
+ c->flags &= ~CON_PRINTBUFFER; /* don't print again */
+ register_console(c);
+ }
+}
+
static int xenfb_resume(struct xenbus_device *dev)
{
struct xenfb_info *info = dev->dev.driver_data;
xenfb_disconnect_backend(info);
- xenfb_init_shared_page(info);
+ xenfb_init_shared_page(info, info->fb_info);
return xenfb_connect_backend(dev, info);
}
@@ -391,20 +534,23 @@ static unsigned long vmalloc_to_mfn(void *address)
return pfn_to_mfn(vmalloc_to_pfn(address));
}
-static void xenfb_init_shared_page(struct xenfb_info *info)
+static void xenfb_init_shared_page(struct xenfb_info *info,
+ struct fb_info *fb_info)
{
int i;
+ int epd = PAGE_SIZE / sizeof(info->mfns[0]);
for (i = 0; i < info->nr_pages; i++)
info->mfns[i] = vmalloc_to_mfn(info->fb + i * PAGE_SIZE);
- info->page->pd[0] = vmalloc_to_mfn(info->mfns);
- info->page->pd[1] = 0;
- info->page->width = XENFB_WIDTH;
- info->page->height = XENFB_HEIGHT;
- info->page->depth = XENFB_DEPTH;
- info->page->line_length = (info->page->depth / 8) * info->page->width;
- info->page->mem_length = xenfb_mem_len;
+ for (i = 0; i * epd < info->nr_pages; i++)
+ info->page->pd[i] = vmalloc_to_mfn(&info->mfns[i * epd]);
+
+ info->page->width = fb_info->var.xres;
+ info->page->height = fb_info->var.yres;
+ info->page->depth = fb_info->var.bits_per_pixel;
+ info->page->line_length = fb_info->fix.line_length;
+ info->page->mem_length = fb_info->fix.smem_len;
info->page->in_cons = info->page->in_prod = 0;
info->page->out_cons = info->page->out_prod = 0;
}
@@ -504,6 +650,11 @@ InitWait:
val = 0;
if (val)
info->update_wanted = 1;
+
+ if (xenbus_scanf(XBT_NIL, dev->otherend,
+ "feature-resize", "%d", &val) < 0)
+ val = 0;
+ info->feature_resize = val;
break;
case XenbusStateClosing:
@@ -547,4 +698,6 @@ static void __exit xenfb_cleanup(void)
module_init(xenfb_init);
module_exit(xenfb_cleanup);
+MODULE_DESCRIPTION("Xen virtual framebuffer device frontend");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("xen:vfb");
generated by cgit v0.10.2 at 2024-11-13 00:07:44 (GMT)