diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/staging/udlfb/udlfb.c | 74 | ||||
-rw-r--r-- | drivers/staging/udlfb/udlfb.h | 1 |
2 files changed, 34 insertions, 41 deletions
diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c index b61a3e58a9e..d2adfe416a0 100644 --- a/drivers/staging/udlfb/udlfb.c +++ b/drivers/staging/udlfb/udlfb.c @@ -30,13 +30,13 @@ #define DRIVER_VERSION "DisplayLink Framebuffer Driver 0.4.1" static struct fb_fix_screeninfo dlfb_fix = { - .id = "displaylinkfb", - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_TRUECOLOR, - .xpanstep = 0, - .ypanstep = 0, - .ywrapstep = 0, - .accel = FB_ACCEL_NONE, + .id = "displaylinkfb", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_TRUECOLOR, + .xpanstep = 0, + .ypanstep = 0, + .ywrapstep = 0, + .accel = FB_ACCEL_NONE, }; #define NR_USB_REQUEST_I2C_SUB_IO 0x02 @@ -48,21 +48,21 @@ static struct fb_fix_screeninfo dlfb_fix = { */ static char *insert_command(char *buf, u8 reg, u8 val) { - *buf++ = 0xAF; - *buf++ = 0x20; - *buf++ = reg; - *buf++ = val; - return buf; + *buf++ = 0xAF; + *buf++ = 0x20; + *buf++ = reg; + *buf++ = val; + return buf; } static char *insert_vidreg_lock(char *buf) { - return insert_command(buf, 0xFF, 0x00); + return insert_command(buf, 0xFF, 0x00); } static char *insert_vidreg_unlock(char *buf) { - return insert_command(buf, 0xFF, 0xFF); + return insert_command(buf, 0xFF, 0xFF); } /* @@ -71,33 +71,33 @@ static char *insert_vidreg_unlock(char *buf) */ static char *insert_enable_hvsync(char *buf) { - return insert_command(buf, 0x1F, 0x00); + return insert_command(buf, 0x1F, 0x00); } static char *insert_set_color_depth(char *buf, u8 selection) { - return insert_command(buf, 0x00, selection); + return insert_command(buf, 0x00, selection); } static char *insert_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); + /* 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); } static char *insert_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 = insert_command(wrptr, 0x26, base >> 16); + wrptr = insert_command(wrptr, 0x27, base >> 8); + return insert_command(wrptr, 0x28, base); } static char *insert_command_16(char *wrptr, u8 reg, u16 value) { - wrptr = insert_command(wrptr, reg, value >> 8); - return insert_command(wrptr, reg+1, value); + wrptr = insert_command(wrptr, reg, value >> 8); + return insert_command(wrptr, reg+1, value); } /* @@ -106,8 +106,8 @@ static char *insert_command_16(char *wrptr, u8 reg, u16 value) */ static char *insert_command_16be(char *wrptr, u8 reg, u16 value) { - wrptr = insert_command(wrptr, reg, value); - return insert_command(wrptr, reg+1, value >> 8); + wrptr = insert_command(wrptr, reg, value); + return insert_command(wrptr, reg+1, value >> 8); } /* @@ -339,7 +339,7 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver dlfb_driver; -// thanks to Henrik Bjerregaard Pedersen for this function +/* thanks to Henrik Bjerregaard Pedersen for this function */ static char *rle_compress16(uint16_t * src, char *dst, int rem) { @@ -347,7 +347,7 @@ static char *rle_compress16(uint16_t * src, char *dst, int rem) uint16_t pix0; char *end_if_raw = dst + 6 + 2 * rem; - dst += 6; // header will be filled in if RLE is worth it + dst += 6; /* header will be filled in if RLE is worth it */ while (rem && dst < end_if_raw) { char *start = (char *)src; @@ -366,8 +366,8 @@ static char *rle_compress16(uint16_t * src, char *dst, int rem) } /* -Thanks to Henrik Bjerregaard Pedersen for rle implementation and code refactoring. -Next step is huffman compression. +Thanks to Henrik Bjerregaard Pedersen for rle implementation +and code refactoring. Next step is huffman compression. */ static int @@ -419,7 +419,7 @@ image_blit(struct dlfb_data *dev_info, int x, int y, int width, int height, bufptr - dev_info->buf); bufptr = dev_info->buf; } - // number of pixels to consider this time + /* number of pixels to consider this time */ thistime = rem; if (thistime > 255) thistime = 255; @@ -467,7 +467,7 @@ image_blit(struct dlfb_data *dev_info, int x, int y, int width, int height, bufptr = end_of_rle; } else { - // fallback to raw (or some other encoding?) + /* fallback to raw (or other?) */ *bufptr++ = 0xAF; *bufptr++ = 0x68; @@ -479,7 +479,6 @@ image_blit(struct dlfb_data *dev_info, int x, int y, int width, int height, *bufptr++ = (char)(base + firstdiff * 2); *bufptr++ = thistime - firstdiff; - // PUT COMPRESSION HERE for (j = firstdiff * 2; j < thistime * 2; j += 2) { *bufptr++ = data[j + 1]; @@ -621,7 +620,7 @@ static void swapfb(struct dlfb_data *dev_info) bufptr = dlfb_set_register(bufptr, 0xFF, 0x00); - // set addresses + /* set addresses */ bufptr = dlfb_set_register(bufptr, 0x20, (char)(dev_info->base16 >> 16)); bufptr = dlfb_set_register(bufptr, 0x21, (char)(dev_info->base16 >> 8)); @@ -803,9 +802,6 @@ static void dlfb_copyarea(struct fb_info *info, const struct fb_copyarea *area) copyarea(dev, area->dx, area->dy, area->sx, area->sy, area->width, area->height); - - /* printk("COPY AREA %d %d %d %d %d %d !!!\n", 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) @@ -813,12 +809,10 @@ static void dlfb_imageblit(struct fb_info *info, const struct fb_image *image) int ret; struct dlfb_data *dev = info->par; - /* printk("IMAGE BLIT (1) %d %d %d %d DEPTH %d {%p}!!!\n", image->dx, image->dy, image->width, image->height, image->depth, dev->udev); */ cfb_imageblit(info, image); ret = image_blit(dev, image->dx, image->dy, image->width, image->height, info->screen_base); - /* printk("IMAGE BLIT (2) %d %d %d %d DEPTH %d {%p} %d!!!\n", image->dx, image->dy, image->width, image->height, image->depth, dev->udev, ret); */ } static void dlfb_fillrect(struct fb_info *info, diff --git a/drivers/staging/udlfb/udlfb.h b/drivers/staging/udlfb/udlfb.h index cdf91d0d438..245234b2f13 100644 --- a/drivers/staging/udlfb/udlfb.h +++ b/drivers/staging/udlfb/udlfb.h @@ -44,7 +44,6 @@ static void dlfb_edid(struct dlfb_data *dev_info) usb_rcvctrlpipe(dev_info->udev, 0), (0x02), (0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2, 0); - /*printk("ret control msg edid %d: %d [%d]\n",i, ret, rbuf[1]); */ dev_info->edid[i] = rbuf[1]; } |