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path: root/drivers/staging/media/atomisp/pci/sh_css_firmware.c
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Diffstat (limited to 'drivers/staging/media/atomisp/pci/sh_css_firmware.c')
-rw-r--r--drivers/staging/media/atomisp/pci/sh_css_firmware.c127
1 files changed, 89 insertions, 38 deletions
diff --git a/drivers/staging/media/atomisp/pci/sh_css_firmware.c b/drivers/staging/media/atomisp/pci/sh_css_firmware.c
index eb3c01574853..d4ab15b6d1ac 100644
--- a/drivers/staging/media/atomisp/pci/sh_css_firmware.c
+++ b/drivers/staging/media/atomisp/pci/sh_css_firmware.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
@@ -12,9 +13,12 @@
* more details.
*/
+#include <linux/string.h> /* for memcpy() */
#include <linux/slab.h>
#include <linux/vmalloc.h>
+#include "hmm.h"
+
#include <math_support.h>
#include "platform_support.h"
#include "sh_css_firmware.h"
@@ -24,9 +28,7 @@
#include "sh_css_internal.h"
#include "ia_css_isp_param.h"
-#include "memory_access.h"
#include "assert_support.h"
-#include "string_support.h"
#include "isp.h" /* PMEM_WIDTH_LOG2 */
@@ -74,13 +76,13 @@ char *sh_css_get_fw_version(void)
*/
/* Setup sp/sp1 binary */
-static enum ia_css_err
+static int
setup_binary(struct ia_css_fw_info *fw, const char *fw_data,
struct ia_css_fw_info *sh_css_fw, unsigned int binary_id) {
const char *blob_data;
if ((!fw) || (!fw_data))
- return IA_CSS_ERR_INVALID_ARGUMENTS;
+ return -EINVAL;
blob_data = fw_data + fw->blob.offset;
@@ -88,16 +90,16 @@ setup_binary(struct ia_css_fw_info *fw, const char *fw_data,
sh_css_fw->blob.code = vmalloc(fw->blob.size);
if (!sh_css_fw->blob.code)
- return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
+ return -ENOMEM;
memcpy((void *)sh_css_fw->blob.code, blob_data, fw->blob.size);
sh_css_fw->blob.data = (char *)sh_css_fw->blob.code + fw->blob.data_source;
fw_minibuffer[binary_id].buffer = sh_css_fw->blob.code;
- return IA_CSS_SUCCESS;
+ return 0;
}
-enum ia_css_err
+int
sh_css_load_blob_info(const char *fw, const struct ia_css_fw_info *bi,
struct ia_css_blob_descr *bd,
unsigned int index) {
@@ -105,7 +107,7 @@ sh_css_load_blob_info(const char *fw, const struct ia_css_fw_info *bi,
const unsigned char *blob;
if ((!fw) || (!bd))
- return IA_CSS_ERR_INVALID_ARGUMENTS;
+ return -EINVAL;
/* Special case: only one binary in fw */
if (!bi) bi = (const struct ia_css_fw_info *)fw;
@@ -117,11 +119,11 @@ sh_css_load_blob_info(const char *fw, const struct ia_css_fw_info *bi,
if (bi->blob.size != bi->blob.text_size + bi->blob.icache_size + bi->blob.data_size + bi->blob.padding_size)
{
/* sanity check, note the padding bytes added for section to DDR alignment */
- return IA_CSS_ERR_INVALID_ARGUMENTS;
+ return -EINVAL;
}
if ((bi->blob.offset % (1UL << (ISP_PMEM_WIDTH_LOG2 - 3))) != 0)
- return IA_CSS_ERR_INVALID_ARGUMENTS;
+ return -EINVAL;
bd->blob = blob;
bd->header = *bi;
@@ -132,7 +134,7 @@ sh_css_load_blob_info(const char *fw, const struct ia_css_fw_info *bi,
namebuffer = kstrdup(name, GFP_KERNEL);
if (!namebuffer)
- return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
+ return -ENOMEM;
bd->name = fw_minibuffer[index].name = namebuffer;
} else
{
@@ -149,7 +151,7 @@ sh_css_load_blob_info(const char *fw, const struct ia_css_fw_info *bi,
statestruct_size,
GFP_KERNEL);
if (!parambuf)
- return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
+ return -ENOMEM;
bd->mem_offsets.array[IA_CSS_PARAM_CLASS_PARAM].ptr = NULL;
bd->mem_offsets.array[IA_CSS_PARAM_CLASS_CONFIG].ptr = NULL;
@@ -177,7 +179,7 @@ sh_css_load_blob_info(const char *fw, const struct ia_css_fw_info *bi,
bd->mem_offsets.array[IA_CSS_PARAM_CLASS_STATE].ptr = parambuf +
paramstruct_size + configstruct_size;
}
- return IA_CSS_SUCCESS;
+ return 0;
}
bool
@@ -187,7 +189,7 @@ sh_css_check_firmware_version(struct device *dev, const char *fw_data)
const char *release_version;
- if (!atomisp_hw_is_isp2401)
+ if (!IS_ISP2401)
release_version = isp2400_release_version;
else
release_version = isp2401_release_version;
@@ -202,19 +204,33 @@ sh_css_check_firmware_version(struct device *dev, const char *fw_data)
}
/* For now, let's just accept a wrong version, even if wrong */
- return true;
+ return 0;
}
-enum ia_css_err
+static const char * const fw_type_name[] = {
+ [ia_css_sp_firmware] = "SP",
+ [ia_css_isp_firmware] = "ISP",
+ [ia_css_bootloader_firmware] = "BootLoader",
+ [ia_css_acc_firmware] = "accel",
+};
+
+static const char * const fw_acc_type_name[] = {
+ [IA_CSS_ACC_NONE] = "Normal",
+ [IA_CSS_ACC_OUTPUT] = "Accel for output",
+ [IA_CSS_ACC_VIEWFINDER] = "Accel for viewfinder",
+ [IA_CSS_ACC_STANDALONE] = "Stand-alone accel",
+};
+
+int
sh_css_load_firmware(struct device *dev, const char *fw_data,
unsigned int fw_size) {
unsigned int i;
struct ia_css_fw_info *binaries;
struct sh_css_fw_bi_file_h *file_header;
- bool valid_firmware = false;
+ int ret;
const char *release_version;
- if (!atomisp_hw_is_isp2401)
+ if (!IS_ISP2401)
release_version = isp2400_release_version;
else
release_version = isp2401_release_version;
@@ -223,21 +239,21 @@ sh_css_load_firmware(struct device *dev, const char *fw_data,
file_header = &firmware_header->file_header;
binaries = &firmware_header->binary_header;
strscpy(FW_rel_ver_name, file_header->version, min(sizeof(FW_rel_ver_name), sizeof(file_header->version)));
- valid_firmware = sh_css_check_firmware_version(dev, fw_data);
- if (!valid_firmware) {
+ ret = sh_css_check_firmware_version(dev, fw_data);
+ if (ret) {
IA_CSS_ERROR("CSS code version (%s) and firmware version (%s) mismatch!",
file_header->version, release_version);
- return IA_CSS_ERR_VERSION_MISMATCH;
+ return -EINVAL;
} else {
IA_CSS_LOG("successfully load firmware version %s", release_version);
}
/* some sanity checks */
if (!fw_data || fw_size < sizeof(struct sh_css_fw_bi_file_h))
- return IA_CSS_ERR_INTERNAL_ERROR;
+ return -EINVAL;
if (file_header->h_size != sizeof(struct sh_css_fw_bi_file_h))
- return IA_CSS_ERR_INTERNAL_ERROR;
+ return -EINVAL;
sh_css_num_binaries = file_header->binary_nr;
/* Only allocate memory for ISP blob info */
@@ -247,7 +263,7 @@ sh_css_load_firmware(struct device *dev, const char *fw_data,
(sh_css_num_binaries - NUM_OF_SPS) *
sizeof(*sh_css_blob_info), GFP_KERNEL);
if (!sh_css_blob_info)
- return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
+ return -ENOMEM;
} else {
sh_css_blob_info = NULL;
}
@@ -255,7 +271,7 @@ sh_css_load_firmware(struct device *dev, const char *fw_data,
fw_minibuffer = kcalloc(sh_css_num_binaries, sizeof(struct fw_param),
GFP_KERNEL);
if (!fw_minibuffer)
- return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
+ return -ENOMEM;
for (i = 0; i < sh_css_num_binaries; i++)
{
@@ -265,36 +281,71 @@ sh_css_load_firmware(struct device *dev, const char *fw_data,
cause issues for drivers
*/
static struct ia_css_blob_descr bd;
- enum ia_css_err err;
+ int err;
err = sh_css_load_blob_info(fw_data, bi, &bd, i);
- if (err != IA_CSS_SUCCESS)
- return IA_CSS_ERR_INTERNAL_ERROR;
+ if (err)
+ return -EINVAL;
if (bi->blob.offset + bi->blob.size > fw_size)
- return IA_CSS_ERR_INTERNAL_ERROR;
+ return -EINVAL;
+
+ switch (bd.header.type) {
+ case ia_css_isp_firmware:
+ if (bd.header.info.isp.type > IA_CSS_ACC_STANDALONE) {
+ dev_err(dev, "binary #%2d: invalid SP type\n",
+ i);
+ return -EINVAL;
+ }
+
+ dev_dbg(dev,
+ "binary #%-2d type %s (%s), binary id is %2d: %s\n",
+ i,
+ fw_type_name[bd.header.type],
+ fw_acc_type_name[bd.header.info.isp.type],
+ bd.header.info.isp.sp.id,
+ bd.name);
+ break;
+ case ia_css_sp_firmware:
+ case ia_css_bootloader_firmware:
+ case ia_css_acc_firmware:
+ dev_dbg(dev,
+ "binary #%-2d type %s: %s\n",
+ i, fw_type_name[bd.header.type],
+ bd.name);
+ break;
+ default:
+ if (bd.header.info.isp.type > IA_CSS_ACC_STANDALONE) {
+ dev_err(dev,
+ "binary #%2d: invalid firmware type\n",
+ i);
+ return -EINVAL;
+ }
+ break;
+ }
if (bi->type == ia_css_sp_firmware) {
if (i != SP_FIRMWARE)
- return IA_CSS_ERR_INTERNAL_ERROR;
+ return -EINVAL;
err = setup_binary(bi, fw_data, &sh_css_sp_fw, i);
- if (err != IA_CSS_SUCCESS)
+ if (err)
return err;
+
} else {
/* All subsequent binaries (including bootloaders) (i>NUM_OF_SPS) are ISP firmware */
if (i < NUM_OF_SPS)
- return IA_CSS_ERR_INTERNAL_ERROR;
+ return -EINVAL;
if (bi->type != ia_css_isp_firmware)
- return IA_CSS_ERR_INTERNAL_ERROR;
+ return -EINVAL;
if (!sh_css_blob_info) /* cannot happen but KW does not see this */
- return IA_CSS_ERR_INTERNAL_ERROR;
+ return -EINVAL;
sh_css_blob_info[i - NUM_OF_SPS] = bd;
}
}
- return IA_CSS_SUCCESS;
+ return 0;
}
void sh_css_unload_firmware(void)
@@ -319,15 +370,15 @@ void sh_css_unload_firmware(void)
sh_css_num_binaries = 0;
}
-hrt_vaddress
+ia_css_ptr
sh_css_load_blob(const unsigned char *blob, unsigned int size)
{
- hrt_vaddress target_addr = mmgr_malloc(size);
+ ia_css_ptr target_addr = hmm_alloc(size, HMM_BO_PRIVATE, 0, NULL, 0);
/* this will allocate memory aligned to a DDR word boundary which
is required for the CSS DMA to read the instructions. */
assert(blob);
if (target_addr)
- mmgr_store(target_addr, blob, size);
+ hmm_store(target_addr, blob, size);
return target_addr;
}
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