These files provide functions to get information from the fw binary header.
Signed-off-by: Qais Yousef qais.yousef@imgtec.com Cc: Liam Girdwood lgirdwood@gmail.com Cc: Mark Brown broonie@kernel.org Cc: Jaroslav Kysela perex@perex.cz Cc: Takashi Iwai tiwai@suse.com Cc: linux-kernel@vger.kernel.org --- sound/soc/img/axd/axd_hdr.c | 64 +++++++++++++++++++++++++++++++++++++++++++++ sound/soc/img/axd/axd_hdr.h | 24 +++++++++++++++++ 2 files changed, 88 insertions(+) create mode 100644 sound/soc/img/axd/axd_hdr.c create mode 100644 sound/soc/img/axd/axd_hdr.h
diff --git a/sound/soc/img/axd/axd_hdr.c b/sound/soc/img/axd/axd_hdr.c new file mode 100644 index 000000000000..7be3d11df120 --- /dev/null +++ b/sound/soc/img/axd/axd_hdr.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2011-2015 Imagination Technologies Ltd. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Helper functions to parse AXD Header in the firmware binary. + */ +#include <linux/kernel.h> + +#include "axd_api.h" +#include "axd_hdr.h" + +static struct axd_hdr *hdr; + +static void dump_hdr(void) +{ + unsigned int offset = 0; + unsigned long address = (unsigned long)hdr; + + pr_debug("header <0x%08lX>:\n", address); + while (offset <= sizeof(*hdr)) { + pr_debug("0x%08X\t", *(unsigned int *)(address+offset)); + offset += 4; + if ((offset % (4*4)) == 0) + pr_debug("\n"); + } + pr_debug("\n"); +} + +void axd_hdr_init(unsigned long address) +{ + hdr = (struct axd_hdr *)address; + dump_hdr(); +} + +unsigned long axd_hdr_get_pc(unsigned int thread) +{ + if (thread >= THREAD_COUNT) + return -1; + return hdr->thread_pc[thread]; +} + +unsigned long axd_hdr_get_cmdblock_offset(void) +{ + pr_debug("cmdblock_offset = 0x%08X\n", hdr->cmd_block_offset); + return hdr->cmd_block_offset; +} + +char *axd_hdr_get_build_str(void) +{ + return hdr->build_str; +} + +unsigned long axd_hdr_get_log_offset(void) +{ + return hdr->log_offset; +} diff --git a/sound/soc/img/axd/axd_hdr.h b/sound/soc/img/axd/axd_hdr.h new file mode 100644 index 000000000000..dc0b1e3be5a2 --- /dev/null +++ b/sound/soc/img/axd/axd_hdr.h @@ -0,0 +1,24 @@ +/* + * Copyright (C) 2011-2015 Imagination Technologies Ltd. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Helper functions to parse AXD Header in the firmware binary + */ +#ifndef AXD_HDR_H_ +#define AXD_HDR_H_ + +void axd_hdr_init(unsigned long address); +unsigned long axd_hdr_get_pc(unsigned int thread); +unsigned long axd_hdr_get_cmdblock_offset(void); +char *axd_hdr_get_build_str(void); +unsigned long axd_hdr_get_log_offset(void); + +#endif /* AXD_HDR_H_ */