diff options
author | Bernie Thompson <bernie@plugable.com> | 2010-02-15 14:46:04 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-04 00:42:59 (GMT) |
commit | 4574203f45eb26b3fd76a171a77dd298dc1dc1ae (patch) | |
tree | 8a47eced967da1ea67a614992def278287d369fd /drivers | |
parent | 4a4854dd2049ddc066a162a0f843dc2a78481060 (diff) | |
download | linux-fsl-qoriq-4574203f45eb26b3fd76a171a77dd298dc1dc1ae.tar.xz |
Staging: udlfb: clean up function naming
Move to more consistent naming scheme
All udlfb functions start with udlfb_
All functions for udlfb's fbdev interface start with udlfb_ops_
All functinos for udlfb's usb interface start with udlfb_usb_
Signed-off-by: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/staging/udlfb/udlfb.c | 133 |
1 files changed, 67 insertions, 66 deletions
diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c index 592b185..8d8372f 100644 --- a/drivers/staging/udlfb/udlfb.c +++ b/drivers/staging/udlfb/udlfb.c @@ -62,7 +62,7 @@ static void dlfb_free_urb_list(struct dlfb_data *dev); * Inserts a specific DisplayLink controller command into the provided * buffer. */ -static char *insert_command(char *buf, u8 reg, u8 val) +static char *dlfb_set_register(char *buf, u8 reg, u8 val) { *buf++ = 0xAF; *buf++ = 0x20; @@ -71,59 +71,59 @@ static char *insert_command(char *buf, u8 reg, u8 val) return buf; } -static char *insert_vidreg_lock(char *buf) +static char *dlfb_vidreg_lock(char *buf) { - return insert_command(buf, 0xFF, 0x00); + return dlfb_set_register(buf, 0xFF, 0x00); } -static char *insert_vidreg_unlock(char *buf) +static char *dlfb_vidreg_unlock(char *buf) { - return insert_command(buf, 0xFF, 0xFF); + return dlfb_set_register(buf, 0xFF, 0xFF); } /* * Once you send this command, the DisplayLink framebuffer gets driven to the * display. */ -static char *insert_enable_hvsync(char *buf) +static char *dlfb_enable_hvsync(char *buf) { - return insert_command(buf, 0x1F, 0x00); + return dlfb_set_register(buf, 0x1F, 0x00); } -static char *insert_set_color_depth(char *buf, u8 selection) +static char *dlfb_set_color_depth(char *buf, u8 selection) { - return insert_command(buf, 0x00, selection); + return dlfb_set_register(buf, 0x00, selection); } -static char *insert_set_base16bpp(char *wrptr, u32 base) +static char *dlfb_set_base16bpp(char *wrptr, u32 base) { /* the base pointer is 16 bits wide, 0x20 is hi byte. */ - wrptr = insert_command(wrptr, 0x20, base >> 16); - wrptr = insert_command(wrptr, 0x21, base >> 8); - return insert_command(wrptr, 0x22, base); + wrptr = dlfb_set_register(wrptr, 0x20, base >> 16); + wrptr = dlfb_set_register(wrptr, 0x21, base >> 8); + return dlfb_set_register(wrptr, 0x22, base); } -static char *insert_set_base8bpp(char *wrptr, u32 base) +static char *dlfb_set_base8bpp(char *wrptr, u32 base) { - wrptr = insert_command(wrptr, 0x26, base >> 16); - wrptr = insert_command(wrptr, 0x27, base >> 8); - return insert_command(wrptr, 0x28, base); + wrptr = dlfb_set_register(wrptr, 0x26, base >> 16); + wrptr = dlfb_set_register(wrptr, 0x27, base >> 8); + return dlfb_set_register(wrptr, 0x28, base); } -static char *insert_command_16(char *wrptr, u8 reg, u16 value) +static char *dlfb_set_register_16(char *wrptr, u8 reg, u16 value) { - wrptr = insert_command(wrptr, reg, value >> 8); - return insert_command(wrptr, reg+1, value); + wrptr = dlfb_set_register(wrptr, reg, value >> 8); + return dlfb_set_register(wrptr, reg+1, value); } /* * This is kind of weird because the controller takes some * register values in a different byte order than other registers. */ -static char *insert_command_16be(char *wrptr, u8 reg, u16 value) +static char *dlfb_set_register_16be(char *wrptr, u8 reg, u16 value) { - wrptr = insert_command(wrptr, reg, value); - return insert_command(wrptr, reg+1, value >> 8); + wrptr = dlfb_set_register(wrptr, reg, value); + return dlfb_set_register(wrptr, reg+1, value >> 8); } /* @@ -152,64 +152,65 @@ static u16 lfsr16(u16 actual_count) * This does LFSR conversion on the value that is to be written. * See LFSR explanation above for more detail. */ -static char *insert_command_lfsr16(char *wrptr, u8 reg, u16 value) +static char *dlfb_set_register_lfsr16(char *wrptr, u8 reg, u16 value) { - return insert_command_16(wrptr, reg, lfsr16(value)); + return dlfb_set_register_16(wrptr, reg, lfsr16(value)); } /* * This takes a standard fbdev screeninfo struct and all of its monitor mode * details and converts them into the DisplayLink equivalent register commands. */ -static char *insert_set_vid_cmds(char *wrptr, struct fb_var_screeninfo *var) +static char *dlfb_set_vid_cmds(char *wrptr, struct fb_var_screeninfo *var) { u16 xds, yds; u16 xde, yde; u16 yec; - /* x display start */ xds = var->left_margin + var->hsync_len; - wrptr = insert_command_lfsr16(wrptr, 0x01, xds); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x01, xds); /* x display end */ xde = xds + var->xres; - wrptr = insert_command_lfsr16(wrptr, 0x03, xde); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x03, xde); /* y display start */ yds = var->upper_margin + var->vsync_len; - wrptr = insert_command_lfsr16(wrptr, 0x05, yds); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x05, yds); /* y display end */ yde = yds + var->yres; - wrptr = insert_command_lfsr16(wrptr, 0x07, yde); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x07, yde); /* x end count is active + blanking - 1 */ - wrptr = insert_command_lfsr16(wrptr, 0x09, xde + var->right_margin - 1); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x09, + xde + var->right_margin - 1); /* libdlo hardcodes hsync start to 1 */ - wrptr = insert_command_lfsr16(wrptr, 0x0B, 1); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x0B, 1); /* hsync end is width of sync pulse + 1 */ - wrptr = insert_command_lfsr16(wrptr, 0x0D, var->hsync_len + 1); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x0D, var->hsync_len + 1); /* hpixels is active pixels */ - wrptr = insert_command_16(wrptr, 0x0F, var->xres); + wrptr = dlfb_set_register_16(wrptr, 0x0F, var->xres); /* yendcount is vertical active + vertical blanking */ yec = var->yres + var->upper_margin + var->lower_margin + var->vsync_len; - wrptr = insert_command_lfsr16(wrptr, 0x11, yec); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x11, yec); /* libdlo hardcodes vsync start to 0 */ - wrptr = insert_command_lfsr16(wrptr, 0x13, 0); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x13, 0); /* vsync end is width of vsync pulse */ - wrptr = insert_command_lfsr16(wrptr, 0x15, var->vsync_len); + wrptr = dlfb_set_register_lfsr16(wrptr, 0x15, var->vsync_len); /* vpixels is active pixels */ - wrptr = insert_command_16(wrptr, 0x17, var->yres); + wrptr = dlfb_set_register_16(wrptr, 0x17, var->yres); /* convert picoseconds to 5kHz multiple for pclk5k = x * 1E12/5k */ - wrptr = insert_command_16be(wrptr, 0x1B, 200*1000*1000/var->pixclock); + wrptr = dlfb_set_register_16be(wrptr, 0x1B, + 200*1000*1000/var->pixclock); return wrptr; } @@ -234,16 +235,16 @@ static int dlfb_set_video_mode(struct dlfb_data *dev, * controller * associated with the display. There are 2 base * pointers, currently, we only * use the 16 bpp segment. */ - wrptr = insert_vidreg_lock(buf); - wrptr = insert_set_color_depth(wrptr, 0x00); + wrptr = dlfb_vidreg_lock(buf); + wrptr = dlfb_set_color_depth(wrptr, 0x00); /* set base for 16bpp segment to 0 */ - wrptr = insert_set_base16bpp(wrptr, 0); + wrptr = dlfb_set_base16bpp(wrptr, 0); /* set base for 8bpp segment to end of fb */ - wrptr = insert_set_base8bpp(wrptr, dev->info->fix.smem_len); + wrptr = dlfb_set_base8bpp(wrptr, dev->info->fix.smem_len); - wrptr = insert_set_vid_cmds(wrptr, var); - wrptr = insert_enable_hvsync(wrptr); - wrptr = insert_vidreg_unlock(wrptr); + wrptr = dlfb_set_vid_cmds(wrptr, var); + wrptr = dlfb_enable_hvsync(wrptr); + wrptr = dlfb_vidreg_unlock(wrptr); writesize = wrptr - buf; @@ -284,7 +285,7 @@ static int dlfb_get_var_from_edid(struct dlfb_data *dev, return ret; } -static int dlfb_mmap(struct fb_info *info, struct vm_area_struct *vma) +static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma) { unsigned long start = vma->vm_start; unsigned long size = vma->vm_end - vma->vm_start; @@ -781,18 +782,18 @@ copyarea(struct dlfb_data *dev_info, int dx, int dy, int sx, int sy, return 1; } -static void dlfb_copyarea(struct fb_info *info, const struct fb_copyarea *area) +static void dlfb_ops_copyarea(struct fb_info *info, + const struct fb_copyarea *area) { - struct dlfb_data *dev = info->par; copyarea(dev, area->dx, area->dy, area->sx, area->sy, area->width, area->height); } -static void dlfb_imageblit(struct fb_info *info, const struct fb_image *image) +static void dlfb_ops_imageblit(struct fb_info *info, + const struct fb_image *image) { - int ret; struct dlfb_data *dev = info->par; cfb_imageblit(info, image); @@ -801,7 +802,7 @@ static void dlfb_imageblit(struct fb_info *info, const struct fb_image *image) info->screen_base); } -static void dlfb_fillrect(struct fb_info *info, +static void dlfb_ops_fillrect(struct fb_info *info, const struct fb_fillrect *region) { @@ -817,9 +818,9 @@ static void dlfb_fillrect(struct fb_info *info, } -static int dlfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) +static int dlfb_ops_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) { - struct dlfb_data *dev_info = info->par; struct dloarea *area = NULL; @@ -875,7 +876,7 @@ static int dlfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) /* taken from vesafb */ static int -dlfb_setcolreg(unsigned regno, unsigned red, unsigned green, +dlfb_ops_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { int err = 0; @@ -900,7 +901,7 @@ dlfb_setcolreg(unsigned regno, unsigned red, unsigned green, return err; } -static int dlfb_release(struct fb_info *info, int user) +static int dlfb_ops_release(struct fb_info *info, int user) { struct dlfb_data *dev_info = info->par; image_blit(dev_info, 0, 0, info->var.xres, info->var.yres, @@ -923,7 +924,7 @@ static void dlfb_delete(struct kref *kref) kfree(dev); } -static int dlfb_blank(int blank_mode, struct fb_info *info) +static int dlfb_ops_blank(int blank_mode, struct fb_info *info) { struct dlfb_data *dev_info = info->par; char *bufptr = dev_info->buf; @@ -942,14 +943,14 @@ static int dlfb_blank(int blank_mode, struct fb_info *info) } static struct fb_ops dlfb_ops = { - .fb_setcolreg = dlfb_setcolreg, - .fb_fillrect = dlfb_fillrect, - .fb_copyarea = dlfb_copyarea, - .fb_imageblit = dlfb_imageblit, - .fb_mmap = dlfb_mmap, - .fb_ioctl = dlfb_ioctl, - .fb_release = dlfb_release, - .fb_blank = dlfb_blank, + .fb_setcolreg = dlfb_ops_setcolreg, + .fb_fillrect = dlfb_ops_fillrect, + .fb_copyarea = dlfb_ops_copyarea, + .fb_imageblit = dlfb_ops_imageblit, + .fb_mmap = dlfb_ops_mmap, + .fb_ioctl = dlfb_ops_ioctl, + .fb_release = dlfb_ops_release, + .fb_blank = dlfb_ops_blank, }; /* |