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path: root/drivers/video/pm2fb.c
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Diffstat (limited to 'drivers/video/pm2fb.c')
-rw-r--r--drivers/video/pm2fb.c162
1 files changed, 88 insertions, 74 deletions
diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 4b54e2776ca..19cbde19295 100644
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -55,9 +55,10 @@
#undef PM2FB_MASTER_DEBUG
#ifdef PM2FB_MASTER_DEBUG
-#define DPRINTK(a,b...) printk(KERN_DEBUG "pm2fb: %s: " a, __FUNCTION__ , ## b)
+#define DPRINTK(a, b...) \
+ printk(KERN_DEBUG "pm2fb: %s: " a, __FUNCTION__ , ## b)
#else
-#define DPRINTK(a,b...)
+#define DPRINTK(a, b...)
#endif
#define PM2_PIXMAP_SIZE (1600 * 4)
@@ -65,7 +66,7 @@
/*
* Driver data
*/
-static char *mode __devinitdata = NULL;
+static char *mode __devinitdata;
/*
* The XFree GLINT driver will (I think to implement hardware cursor
@@ -146,31 +147,31 @@ static struct fb_var_screeninfo pm2fb_var __devinitdata = {
* Utility functions
*/
-static inline u32 pm2_RD(struct pm2fb_par* p, s32 off)
+static inline u32 pm2_RD(struct pm2fb_par *p, s32 off)
{
return fb_readl(p->v_regs + off);
}
-static inline void pm2_WR(struct pm2fb_par* p, s32 off, u32 v)
+static inline void pm2_WR(struct pm2fb_par *p, s32 off, u32 v)
{
fb_writel(v, p->v_regs + off);
}
-static inline u32 pm2_RDAC_RD(struct pm2fb_par* p, s32 idx)
+static inline u32 pm2_RDAC_RD(struct pm2fb_par *p, s32 idx)
{
pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, idx);
mb();
return pm2_RD(p, PM2R_RD_INDEXED_DATA);
}
-static inline u32 pm2v_RDAC_RD(struct pm2fb_par* p, s32 idx)
+static inline u32 pm2v_RDAC_RD(struct pm2fb_par *p, s32 idx)
{
pm2_WR(p, PM2VR_RD_INDEX_LOW, idx & 0xff);
mb();
return pm2_RD(p, PM2VR_RD_INDEXED_DATA);
}
-static inline void pm2_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
+static inline void pm2_RDAC_WR(struct pm2fb_par *p, s32 idx, u32 v)
{
pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, idx);
wmb();
@@ -178,7 +179,7 @@ static inline void pm2_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
wmb();
}
-static inline void pm2v_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
+static inline void pm2v_RDAC_WR(struct pm2fb_par *p, s32 idx, u32 v)
{
pm2_WR(p, PM2VR_RD_INDEX_LOW, idx & 0xff);
wmb();
@@ -189,9 +190,9 @@ static inline void pm2v_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
#ifdef CONFIG_FB_PM2_FIFO_DISCONNECT
#define WAIT_FIFO(p, a)
#else
-static inline void WAIT_FIFO(struct pm2fb_par* p, u32 a)
+static inline void WAIT_FIFO(struct pm2fb_par *p, u32 a)
{
- while(pm2_RD(p, PM2R_IN_FIFO_SPACE) < a);
+ while (pm2_RD(p, PM2R_IN_FIFO_SPACE) < a);
mb();
}
#endif
@@ -250,8 +251,8 @@ static u32 to3264(u32 timing, int bpp, int is64)
return timing;
}
-static void pm2_mnp(u32 clk, unsigned char* mm, unsigned char* nn,
- unsigned char* pp)
+static void pm2_mnp(u32 clk, unsigned char *mm, unsigned char *nn,
+ unsigned char *pp)
{
unsigned char m;
unsigned char n;
@@ -279,8 +280,8 @@ static void pm2_mnp(u32 clk, unsigned char* mm, unsigned char* nn,
}
}
-static void pm2v_mnp(u32 clk, unsigned char* mm, unsigned char* nn,
- unsigned char* pp)
+static void pm2v_mnp(u32 clk, unsigned char *mm, unsigned char *nn,
+ unsigned char *pp)
{
unsigned char m;
unsigned char n;
@@ -304,7 +305,8 @@ static void pm2v_mnp(u32 clk, unsigned char* mm, unsigned char* nn,
}
}
-static void clear_palette(struct pm2fb_par* p) {
+static void clear_palette(struct pm2fb_par *p)
+{
int i = 256;
WAIT_FIFO(p, 1);
@@ -318,7 +320,7 @@ static void clear_palette(struct pm2fb_par* p) {
}
}
-static void reset_card(struct pm2fb_par* p)
+static void reset_card(struct pm2fb_par *p)
{
if (p->type == PM2_TYPE_PERMEDIA2V)
pm2_WR(p, PM2VR_RD_INDEX_HIGH, 0);
@@ -341,7 +343,7 @@ static void reset_card(struct pm2fb_par* p)
pm2_WR(p, PM2R_MEM_CONFIG, p->mem_config);
}
-static void reset_config(struct pm2fb_par* p)
+static void reset_config(struct pm2fb_par *p)
{
WAIT_FIFO(p, 53);
pm2_WR(p, PM2R_CHIP_CONFIG, pm2_RD(p, PM2R_CHIP_CONFIG) &
@@ -398,7 +400,7 @@ static void reset_config(struct pm2fb_par* p)
}
}
-static void set_aperture(struct pm2fb_par* p, u32 depth)
+static void set_aperture(struct pm2fb_par *p, u32 depth)
{
/*
* The hardware is little-endian. When used in big-endian
@@ -428,11 +430,11 @@ static void set_aperture(struct pm2fb_par* p, u32 depth)
}
#endif
- // We don't use aperture two, so this may be superflous
+ /* We don't use aperture two, so this may be superflous */
pm2_WR(p, PM2R_APERTURE_TWO, PM2F_APERTURE_STANDARD);
}
-static void set_color(struct pm2fb_par* p, unsigned char regno,
+static void set_color(struct pm2fb_par *p, unsigned char regno,
unsigned char r, unsigned char g, unsigned char b)
{
WAIT_FIFO(p, 4);
@@ -445,7 +447,7 @@ static void set_color(struct pm2fb_par* p, unsigned char regno,
pm2_WR(p, PM2R_RD_PALETTE_DATA, b);
}
-static void set_memclock(struct pm2fb_par* par, u32 clk)
+static void set_memclock(struct pm2fb_par *par, u32 clk)
{
int i;
unsigned char m, n, p;
@@ -482,7 +484,7 @@ static void set_memclock(struct pm2fb_par* par, u32 clk)
}
}
-static void set_pixclock(struct pm2fb_par* par, u32 clk)
+static void set_pixclock(struct pm2fb_par *par, u32 clk)
{
int i;
unsigned char m, n, p;
@@ -513,7 +515,8 @@ static void set_pixclock(struct pm2fb_par* par, u32 clk)
}
}
-static void set_video(struct pm2fb_par* p, u32 video) {
+static void set_video(struct pm2fb_par *p, u32 video)
+{
u32 tmp;
u32 vsync = video;
@@ -572,12 +575,14 @@ static int pm2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
}
if (var->xres != var->xres_virtual) {
- DPRINTK("virtual x resolution != physical x resolution not supported\n");
+ DPRINTK("virtual x resolution != "
+ "physical x resolution not supported\n");
return -EINVAL;
}
if (var->yres > var->yres_virtual) {
- DPRINTK("virtual y resolution < physical y resolution not possible\n");
+ DPRINTK("virtual y resolution < "
+ "physical y resolution not possible\n");
return -EINVAL;
}
@@ -611,15 +616,18 @@ static int pm2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
}
if (PICOS2KHZ(var->pixclock) > PM2_MAX_PIXCLOCK) {
- DPRINTK("pixclock too high (%ldKHz)\n", PICOS2KHZ(var->pixclock));
+ DPRINTK("pixclock too high (%ldKHz)\n",
+ PICOS2KHZ(var->pixclock));
return -EINVAL;
}
var->transp.offset = 0;
var->transp.length = 0;
- switch(var->bits_per_pixel) {
+ switch (var->bits_per_pixel) {
case 8:
- var->red.length = var->green.length = var->blue.length = 8;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
break;
case 16:
var->red.offset = 11;
@@ -635,7 +643,9 @@ static int pm2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
var->red.offset = 16;
var->green.offset = 8;
var->blue.offset = 0;
- var->red.length = var->green.length = var->blue.length = 8;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
break;
case 24:
#ifdef __BIG_ENDIAN
@@ -646,10 +656,13 @@ static int pm2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
var->blue.offset = 0;
#endif
var->green.offset = 8;
- var->red.length = var->green.length = var->blue.length = 8;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
break;
}
- var->height = var->width = -1;
+ var->height = -1;
+ var->width = -1;
var->accel_flags = 0; /* Can't mmap if this is on */
@@ -708,7 +721,8 @@ static int pm2fb_set_par(struct fb_info *info)
? info->var.lower_margin - 1
: 0; /* FIXME! */
vsend = info->var.lower_margin + info->var.vsync_len - 1;
- vbend = info->var.lower_margin + info->var.vsync_len + info->var.upper_margin;
+ vbend = info->var.lower_margin + info->var.vsync_len +
+ info->var.upper_margin;
vtotal = info->var.yres + vbend - 1;
stride = to3264(width, depth, 1);
base = to3264(info->var.yoffset * xres + info->var.xoffset, depth, 1);
@@ -721,18 +735,18 @@ static int pm2fb_set_par(struct fb_info *info)
video |= PM2F_HSYNC_ACT_LOW;
} else
video |= PM2F_HSYNC_ACT_HIGH;
- }
- else
+ } else
video |= PM2F_HSYNC_ACT_LOW;
+
if (info->var.sync & FB_SYNC_VERT_HIGH_ACT) {
if (lowvsync) {
DPRINTK("ignoring +vsync, using -vsync.\n");
video |= PM2F_VSYNC_ACT_LOW;
} else
video |= PM2F_VSYNC_ACT_HIGH;
- }
- else
+ } else
video |= PM2F_VSYNC_ACT_LOW;
+
if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
DPRINTK("interlaced not supported\n");
return -EINVAL;
@@ -817,7 +831,7 @@ static int pm2fb_set_par(struct fb_info *info)
case PM2_TYPE_PERMEDIA2:
pm2_RDAC_WR(par, PM2I_RD_COLOR_MODE, clrmode);
pm2_RDAC_WR(par, PM2I_RD_COLOR_KEY_CONTROL,
- (depth == 8) ? 0 : PM2F_COLOR_KEY_TEST_OFF);
+ (depth == 8) ? 0 : PM2F_COLOR_KEY_TEST_OFF);
break;
case PM2_TYPE_PERMEDIA2V:
pm2v_RDAC_WR(par, PM2VI_RD_DAC_CONTROL, 0);
@@ -861,10 +875,9 @@ static int pm2fb_setcolreg(unsigned regno, unsigned red, unsigned green,
*/
/* grayscale works only partially under directcolor */
- if (info->var.grayscale) {
- /* grayscale = 0.30*R + 0.59*G + 0.11*B */
+ /* grayscale = 0.30*R + 0.59*G + 0.11*B */
+ if (info->var.grayscale)
red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
- }
/* Directcolor:
* var->{color}.offset contains start of bitfield
@@ -931,8 +944,7 @@ static int pm2fb_setcolreg(unsigned regno, unsigned red, unsigned green,
break;
}
return 0;
- }
- else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR)
+ } else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR)
set_color(par, regno, red, green, blue);
return 0;
@@ -1007,7 +1019,7 @@ static int pm2fb_blank(int blank_mode, struct fb_info *info)
break;
case FB_BLANK_POWERDOWN:
/* HSync: Off, VSync: Off */
- video &= ~(PM2F_VSYNC_MASK | PM2F_HSYNC_MASK| PM2F_BLANK_LOW);
+ video &= ~(PM2F_VSYNC_MASK | PM2F_HSYNC_MASK | PM2F_BLANK_LOW);
break;
}
set_video(par, video);
@@ -1030,14 +1042,14 @@ static int pm2fb_sync(struct fb_info *info)
return 0;
}
-static void pm2fb_fillrect (struct fb_info *info,
+static void pm2fb_fillrect(struct fb_info *info,
const struct fb_fillrect *region)
{
- struct pm2fb_par *par = info->par;
+ struct pm2fb_par *par = info->par;
struct fb_fillrect modded;
int vxres, vyres;
u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ?
- ((u32*)info->pseudo_palette)[region->color] : region->color;
+ ((u32 *)info->pseudo_palette)[region->color] : region->color;
if (info->state != FBINFO_STATE_RUNNING)
return;
@@ -1082,7 +1094,8 @@ static void pm2fb_fillrect (struct fb_info *info,
pm2_WR(par, PM2R_CONSTANT_COLOR, color);
wmb();
pm2_WR(par, PM2R_RENDER,
- PM2F_RENDER_RECTANGLE | PM2F_INCREASE_X | PM2F_INCREASE_Y );
+ PM2F_RENDER_RECTANGLE |
+ PM2F_INCREASE_X | PM2F_INCREASE_Y );
pm2_WR(par, PM2R_COLOR_DDA_MODE, 0);
}
}
@@ -1124,14 +1137,14 @@ static void pm2fb_copyarea(struct fb_info *info,
pm2_WR(par, PM2R_CONFIG, PM2F_CONFIG_FB_WRITE_ENABLE |
PM2F_CONFIG_FB_READ_SOURCE_ENABLE);
pm2_WR(par, PM2R_FB_SOURCE_DELTA,
- ((modded.sy-modded.dy) & 0xfff) << 16 |
- ((modded.sx-modded.dx) & 0xfff));
+ ((modded.sy - modded.dy) & 0xfff) << 16 |
+ ((modded.sx - modded.dx) & 0xfff));
pm2_WR(par, PM2R_RECTANGLE_ORIGIN, (modded.dy << 16) | modded.dx);
pm2_WR(par, PM2R_RECTANGLE_SIZE, (modded.height << 16) | modded.width);
wmb();
pm2_WR(par, PM2R_RENDER, PM2F_RENDER_RECTANGLE |
- (modded.dx<modded.sx ? PM2F_INCREASE_X : 0) |
- (modded.dy<modded.sy ? PM2F_INCREASE_Y : 0));
+ (modded.dx < modded.sx ? PM2F_INCREASE_X : 0) |
+ (modded.dy < modded.sy ? PM2F_INCREASE_Y : 0));
}
static void pm2fb_imageblit(struct fb_info *info, const struct fb_image *image)
@@ -1139,7 +1152,7 @@ static void pm2fb_imageblit(struct fb_info *info, const struct fb_image *image)
struct pm2fb_par *par = info->par;
u32 height = image->height;
u32 fgx, bgx;
- const u32 *src = (const u32*)image->data;
+ const u32 *src = (const u32 *)image->data;
u32 xres = (info->var.xres + 31) & ~31;
if (info->state != FBINFO_STATE_RUNNING)
@@ -1269,7 +1282,8 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev,
{
struct pm2fb_par *default_par;
struct fb_info *info;
- int err, err_retval = -ENXIO;
+ int err;
+ int retval = -ENXIO;
err = pci_enable_device(pdev);
if (err) {
@@ -1342,26 +1356,28 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev,
default_par->mem_config = 0xe6002021;
if (pdev->subsystem_vendor == 0x1048 &&
pdev->subsystem_device == 0x0a31) {
- DPRINTK("subsystem_vendor: %04x, subsystem_device: %04x\n",
+ DPRINTK("subsystem_vendor: %04x, "
+ "subsystem_device: %04x\n",
pdev->subsystem_vendor, pdev->subsystem_device);
- DPRINTK("We have not been initialized by VGA BIOS "
- "and are running on an Elsa Winner 2000 Office\n");
+ DPRINTK("We have not been initialized by VGA BIOS and "
+ "are running on an Elsa Winner 2000 Office\n");
DPRINTK("Initializing card timings manually...\n");
default_par->memclock = 100000;
}
if (pdev->subsystem_vendor == 0x3d3d &&
pdev->subsystem_device == 0x0100) {
- DPRINTK("subsystem_vendor: %04x, subsystem_device: %04x\n",
+ DPRINTK("subsystem_vendor: %04x, "
+ "subsystem_device: %04x\n",
pdev->subsystem_vendor, pdev->subsystem_device);
- DPRINTK("We have not been initialized by VGA BIOS "
- "and are running on an 3dlabs reference board\n");
+ DPRINTK("We have not been initialized by VGA BIOS and "
+ "are running on an 3dlabs reference board\n");
DPRINTK("Initializing card timings manually...\n");
default_par->memclock = 74894;
}
}
/* Now work out how big lfb is going to be. */
- switch(default_par->mem_config & PM2F_MEM_CONFIG_RAM_MASK) {
+ switch (default_par->mem_config & PM2F_MEM_CONFIG_RAM_MASK) {
case PM2F_MEM_BANKS_1:
pm2fb_fix.smem_len = 0x200000;
break;
@@ -1411,7 +1427,7 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev,
info->pixmap.addr = kmalloc(PM2_PIXMAP_SIZE, GFP_KERNEL);
if (!info->pixmap.addr) {
- err_retval = -ENOMEM;
+ retval = -ENOMEM;
goto err_exit_pixmap;
}
info->pixmap.size = PM2_PIXMAP_SIZE;
@@ -1461,7 +1477,7 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev,
release_mem_region(pm2fb_fix.mmio_start, pm2fb_fix.mmio_len);
err_exit_neither:
framebuffer_release(info);
- return err_retval;
+ return retval;
}
/**
@@ -1473,8 +1489,8 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev,
*/
static void __devexit pm2fb_remove(struct pci_dev *pdev)
{
- struct fb_info* info = pci_get_drvdata(pdev);
- struct fb_fix_screeninfo* fix = &info->fix;
+ struct fb_info *info = pci_get_drvdata(pdev);
+ struct fb_fix_screeninfo *fix = &info->fix;
struct pm2fb_par *par = info->par;
unregister_framebuffer(info);
@@ -1490,8 +1506,7 @@ static void __devexit pm2fb_remove(struct pci_dev *pdev)
release_mem_region(fix->mmio_start, fix->mmio_len);
pci_set_drvdata(pdev, NULL);
- if (info->pixmap.addr)
- kfree(info->pixmap.addr);
+ kfree(info->pixmap.addr);
kfree(info);
}
@@ -1523,7 +1538,7 @@ MODULE_DEVICE_TABLE(pci, pm2fb_id_table);
*/
static int __init pm2fb_setup(char *options)
{
- char* this_opt;
+ char *this_opt;
if (!options || !*options)
return 0;
@@ -1531,19 +1546,18 @@ static int __init pm2fb_setup(char *options)
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt)
continue;
- if (!strcmp(this_opt, "lowhsync")) {
+ if (!strcmp(this_opt, "lowhsync"))
lowhsync = 1;
- } else if (!strcmp(this_opt, "lowvsync")) {
+ else if (!strcmp(this_opt, "lowvsync"))
lowvsync = 1;
#ifdef CONFIG_MTRR
- } else if (!strncmp(this_opt, "nomtrr", 6)) {
+ else if (!strncmp(this_opt, "nomtrr", 6))
nomtrr = 1;
#endif
- } else if (!strncmp(this_opt, "noaccel", 7)) {
+ else if (!strncmp(this_opt, "noaccel", 7))
noaccel = 1;
- } else {
+ else
mode = this_opt;
- }
}
return 0;
}