diff --git a/cmd/bmp.c b/cmd/bmp.c index 46d0d916e8..8f43a40daf 100644 --- a/cmd/bmp.c +++ b/cmd/bmp.c @@ -9,84 +9,12 @@ */ #include -#include #include -#include -#include #include -#include -#include #include #include #include -#include - -static int bmp_info (ulong addr); - -/* - * Allocate and decompress a BMP image using gunzip(). - * - * Returns a pointer to the decompressed image data. This pointer is - * aligned to 32-bit-aligned-address + 2. - * See doc/README.displaying-bmps for explanation. - * - * The allocation address is passed to 'alloc_addr' and must be freed - * by the caller after use. - * - * Returns NULL if decompression failed, or if the decompressed data - * didn't contain a valid BMP signature. - */ -#ifdef CONFIG_VIDEO_BMP_GZIP -struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp, - void **alloc_addr) -{ - void *dst; - unsigned long len; - struct bmp_image *bmp; - - /* - * Decompress bmp image - */ - len = CONFIG_VIDEO_LOGO_MAX_SIZE; - /* allocate extra 3 bytes for 32-bit-aligned-address + 2 alignment */ - dst = malloc(CONFIG_VIDEO_LOGO_MAX_SIZE + 3); - if (!dst) { - puts("Error: malloc in gunzip failed!\n"); - return NULL; - } - - /* align to 32-bit-aligned-address + 2 */ - bmp = dst + 2; - - if (gunzip(bmp, CONFIG_VIDEO_LOGO_MAX_SIZE, map_sysmem(addr, 0), - &len)) { - free(dst); - return NULL; - } - if (len == CONFIG_VIDEO_LOGO_MAX_SIZE) - puts("Image could be truncated (increase CONFIG_VIDEO_LOGO_MAX_SIZE)!\n"); - - /* - * Check for bmp mark 'BM' - */ - if (!((bmp->header.signature[0] == 'B') && - (bmp->header.signature[1] == 'M'))) { - free(dst); - return NULL; - } - - debug("Gzipped BMP image detected!\n"); - - *alloc_addr = dst; - return bmp; -} -#else -struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp, - void **alloc_addr) -{ - return NULL; -} -#endif +#include static int do_bmp_info(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) @@ -137,7 +65,7 @@ static int do_bmp_display(struct cmd_tbl *cmdtp, int flag, int argc, return CMD_RET_USAGE; } - return (bmp_display(addr, x, y)); + return (bmp_display(addr, x, y)); } static struct cmd_tbl cmd_bmp_sub[] = { @@ -145,22 +73,6 @@ static struct cmd_tbl cmd_bmp_sub[] = { U_BOOT_CMD_MKENT(display, 5, 0, do_bmp_display, "", ""), }; -#ifdef CONFIG_NEEDS_MANUAL_RELOC -void bmp_reloc(void) { - fixup_cmdtable(cmd_bmp_sub, ARRAY_SIZE(cmd_bmp_sub)); -} -#endif - -/* - * Subroutine: do_bmp - * - * Description: Handler for 'bmp' command.. - * - * Inputs: argv[1] contains the subcommand - * - * Return: None - * - */ static int do_bmp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct cmd_tbl *c; @@ -183,73 +95,3 @@ U_BOOT_CMD( "info - display image info\n" "bmp display [x y] - display image at x,y" ); - -/* - * Subroutine: bmp_info - * - * Description: Show information about bmp file in memory - * - * Inputs: addr address of the bmp file - * - * Return: None - * - */ -static int bmp_info(ulong addr) -{ - struct bmp_image *bmp = (struct bmp_image *)map_sysmem(addr, 0); - void *bmp_alloc_addr = NULL; - unsigned long len; - - if (!((bmp->header.signature[0]=='B') && - (bmp->header.signature[1]=='M'))) - bmp = gunzip_bmp(addr, &len, &bmp_alloc_addr); - - if (bmp == NULL) { - printf("There is no valid bmp file at the given address\n"); - return 1; - } - - printf("Image size : %d x %d\n", le32_to_cpu(bmp->header.width), - le32_to_cpu(bmp->header.height)); - printf("Bits per pixel: %d\n", le16_to_cpu(bmp->header.bit_count)); - printf("Compression : %d\n", le32_to_cpu(bmp->header.compression)); - - if (bmp_alloc_addr) - free(bmp_alloc_addr); - - return(0); -} - -int bmp_display(ulong addr, int x, int y) -{ - struct udevice *dev; - int ret; - struct bmp_image *bmp = map_sysmem(addr, 0); - void *bmp_alloc_addr = NULL; - unsigned long len; - - if (!((bmp->header.signature[0]=='B') && - (bmp->header.signature[1]=='M'))) - bmp = gunzip_bmp(addr, &len, &bmp_alloc_addr); - - if (!bmp) { - printf("There is no valid bmp file at the given address\n"); - return 1; - } - addr = map_to_sysmem(bmp); - - ret = uclass_first_device_err(UCLASS_VIDEO, &dev); - if (!ret) { - bool align = false; - - if (x == BMP_ALIGN_CENTER || y == BMP_ALIGN_CENTER) - align = true; - - ret = video_bmp_display(dev, addr, x, y, align); - } - - if (bmp_alloc_addr) - free(bmp_alloc_addr); - - return ret ? CMD_RET_FAILURE : 0; -} diff --git a/common/bmp.c b/common/bmp.c new file mode 100644 index 0000000000..4dbcb84893 --- /dev/null +++ b/common/bmp.c @@ -0,0 +1,153 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2002 + * Detlev Zundel, DENX Software Engineering, dzu@denx.de. + */ + +/* + * BMP handling routines + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Allocate and decompress a BMP image using gunzip(). + * + * Returns a pointer to the decompressed image data. This pointer is + * aligned to 32-bit-aligned-address + 2. + * See doc/README.displaying-bmps for explanation. + * + * The allocation address is passed to 'alloc_addr' and must be freed + * by the caller after use. + * + * Returns NULL if decompression failed, or if the decompressed data + * didn't contain a valid BMP signature. + */ +#ifdef CONFIG_VIDEO_BMP_GZIP +struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp, + void **alloc_addr) +{ + void *dst; + unsigned long len; + struct bmp_image *bmp; + + /* + * Decompress bmp image + */ + len = CONFIG_VIDEO_LOGO_MAX_SIZE; + /* allocate extra 3 bytes for 32-bit-aligned-address + 2 alignment */ + dst = malloc(CONFIG_VIDEO_LOGO_MAX_SIZE + 3); + if (!dst) { + puts("Error: malloc in gunzip failed!\n"); + return NULL; + } + + /* align to 32-bit-aligned-address + 2 */ + bmp = dst + 2; + + if (gunzip(bmp, CONFIG_VIDEO_LOGO_MAX_SIZE, map_sysmem(addr, 0), + &len)) { + free(dst); + return NULL; + } + if (len == CONFIG_VIDEO_LOGO_MAX_SIZE) + puts("Image could be truncated (increase CONFIG_VIDEO_LOGO_MAX_SIZE)!\n"); + + /* + * Check for bmp mark 'BM' + */ + if (!((bmp->header.signature[0] == 'B') && + (bmp->header.signature[1] == 'M'))) { + free(dst); + return NULL; + } + + debug("Gzipped BMP image detected!\n"); + + *alloc_addr = dst; + return bmp; +} +#else +struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp, + void **alloc_addr) +{ + return NULL; +} +#endif + +#ifdef CONFIG_NEEDS_MANUAL_RELOC +void bmp_reloc(void) +{ + fixup_cmdtable(cmd_bmp_sub, ARRAY_SIZE(cmd_bmp_sub)); +} +#endif + +int bmp_info(ulong addr) +{ + struct bmp_image *bmp = (struct bmp_image *)map_sysmem(addr, 0); + void *bmp_alloc_addr = NULL; + unsigned long len; + + if (!((bmp->header.signature[0] == 'B') && + (bmp->header.signature[1] == 'M'))) + bmp = gunzip_bmp(addr, &len, &bmp_alloc_addr); + + if (!bmp) { + printf("There is no valid bmp file at the given address\n"); + return 1; + } + + printf("Image size : %d x %d\n", le32_to_cpu(bmp->header.width), + le32_to_cpu(bmp->header.height)); + printf("Bits per pixel: %d\n", le16_to_cpu(bmp->header.bit_count)); + printf("Compression : %d\n", le32_to_cpu(bmp->header.compression)); + + if (bmp_alloc_addr) + free(bmp_alloc_addr); + + return 0; +} + +int bmp_display(ulong addr, int x, int y) +{ + struct udevice *dev; + int ret; + struct bmp_image *bmp = map_sysmem(addr, 0); + void *bmp_alloc_addr = NULL; + unsigned long len; + + if (!((bmp->header.signature[0] == 'B') && + (bmp->header.signature[1] == 'M'))) + bmp = gunzip_bmp(addr, &len, &bmp_alloc_addr); + + if (!bmp) { + printf("There is no valid bmp file at the given address\n"); + return 1; + } + addr = map_to_sysmem(bmp); + + ret = uclass_first_device_err(UCLASS_VIDEO, &dev); + if (!ret) { + bool align = false; + + if (x == BMP_ALIGN_CENTER || y == BMP_ALIGN_CENTER) + align = true; + + ret = video_bmp_display(dev, addr, x, y, align); + } + + if (bmp_alloc_addr) + free(bmp_alloc_addr); + + return ret ? CMD_RET_FAILURE : 0; +} diff --git a/include/video.h b/include/video.h index 4d99e5dc27..29c4f51efb 100644 --- a/include/video.h +++ b/include/video.h @@ -357,4 +357,12 @@ void *video_get_u_boot_logo(void); */ int bmp_display(ulong addr, int x, int y); +/* + * bmp_info() - Show information about bmp file + * + * @addr: address of bmp file + * Returns: 0 if OK, else 1 if bmp image not found + */ +int bmp_info(ulong addr); + #endif