diff options
author | Yong Zhi <yong.zhi@intel.com> | 2018-12-06 20:03:31 -0500 |
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committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-12-14 05:22:48 -0500 |
commit | 09d290f0ba2165666c583726836ab761e099cc2d (patch) | |
tree | 8dead574989d8b8d6af622bf07f281c3037cd854 | |
parent | e9fad6f1d2307d42e6b8f40c78b51c1f59c61922 (diff) | |
download | linux-09d290f0ba2165666c583726836ab761e099cc2d.tar.gz linux-09d290f0ba2165666c583726836ab761e099cc2d.tar.bz2 linux-09d290f0ba2165666c583726836ab761e099cc2d.zip |
media: staging/intel-ipu3: css: Add support for firmware management
Introduce functions to load and install ImgU FW blobs.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
-rw-r--r-- | drivers/staging/media/ipu3/ipu3-css-fw.c | 264 | ||||
-rw-r--r-- | drivers/staging/media/ipu3/ipu3-css-fw.h | 188 |
2 files changed, 452 insertions, 0 deletions
diff --git a/drivers/staging/media/ipu3/ipu3-css-fw.c b/drivers/staging/media/ipu3/ipu3-css-fw.c new file mode 100644 index 000000000000..ba459e98d77d --- /dev/null +++ b/drivers/staging/media/ipu3/ipu3-css-fw.c @@ -0,0 +1,264 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2018 Intel Corporation + +#include <linux/device.h> +#include <linux/firmware.h> +#include <linux/mm.h> +#include <linux/slab.h> + +#include "ipu3-css.h" +#include "ipu3-css-fw.h" +#include "ipu3-dmamap.h" + +static void ipu3_css_fw_show_binary(struct device *dev, struct imgu_fw_info *bi, + const char *name) +{ + unsigned int i; + + dev_dbg(dev, "found firmware binary type %i size %i name %s\n", + bi->type, bi->blob.size, name); + if (bi->type != IMGU_FW_ISP_FIRMWARE) + return; + + dev_dbg(dev, " id %i mode %i bds 0x%x veceven %i/%i out_pins %i\n", + bi->info.isp.sp.id, bi->info.isp.sp.pipeline.mode, + bi->info.isp.sp.bds.supported_bds_factors, + bi->info.isp.sp.enable.vf_veceven, + bi->info.isp.sp.vf_dec.is_variable, + bi->info.isp.num_output_pins); + + dev_dbg(dev, " input (%i,%i)-(%i,%i) formats %s%s%s\n", + bi->info.isp.sp.input.min_width, + bi->info.isp.sp.input.min_height, + bi->info.isp.sp.input.max_width, + bi->info.isp.sp.input.max_height, + bi->info.isp.sp.enable.input_yuv ? "yuv420 " : "", + bi->info.isp.sp.enable.input_feeder || + bi->info.isp.sp.enable.input_raw ? "raw8 raw10 " : "", + bi->info.isp.sp.enable.input_raw ? "raw12" : ""); + + dev_dbg(dev, " internal (%i,%i)\n", + bi->info.isp.sp.internal.max_width, + bi->info.isp.sp.internal.max_height); + + dev_dbg(dev, " output (%i,%i)-(%i,%i) formats", + bi->info.isp.sp.output.min_width, + bi->info.isp.sp.output.min_height, + bi->info.isp.sp.output.max_width, + bi->info.isp.sp.output.max_height); + for (i = 0; i < bi->info.isp.num_output_formats; i++) + dev_dbg(dev, " %i", bi->info.isp.output_formats[i]); + dev_dbg(dev, " vf"); + for (i = 0; i < bi->info.isp.num_vf_formats; i++) + dev_dbg(dev, " %i", bi->info.isp.vf_formats[i]); + dev_dbg(dev, "\n"); +} + +unsigned int ipu3_css_fw_obgrid_size(const struct imgu_fw_info *bi) +{ + unsigned int width = DIV_ROUND_UP(bi->info.isp.sp.internal.max_width, + IMGU_OBGRID_TILE_SIZE * 2) + 1; + unsigned int height = DIV_ROUND_UP(bi->info.isp.sp.internal.max_height, + IMGU_OBGRID_TILE_SIZE * 2) + 1; + unsigned int obgrid_size; + + width = ALIGN(width, IPU3_UAPI_ISP_VEC_ELEMS / 4); + obgrid_size = PAGE_ALIGN(width * height * + sizeof(struct ipu3_uapi_obgrid_param)) * + bi->info.isp.sp.iterator.num_stripes; + return obgrid_size; +} + +void *ipu3_css_fw_pipeline_params(struct ipu3_css *css, + enum imgu_abi_param_class c, + enum imgu_abi_memories m, + struct imgu_fw_isp_parameter *par, + size_t par_size, void *binary_params) +{ + struct imgu_fw_info *bi = &css->fwp->binary_header[css->current_binary]; + + if (par->offset + par->size > + bi->info.isp.sp.mem_initializers.params[c][m].size) + return NULL; + + if (par->size != par_size) + pr_warn("parameter size doesn't match defined size\n"); + + if (par->size < par_size) + return NULL; + + return binary_params + par->offset; +} + +void ipu3_css_fw_cleanup(struct ipu3_css *css) +{ + struct imgu_device *imgu = dev_get_drvdata(css->dev); + + if (css->binary) { + unsigned int i; + + for (i = 0; i < css->fwp->file_header.binary_nr; i++) + ipu3_dmamap_free(imgu, &css->binary[i]); + kfree(css->binary); + } + if (css->fw) + release_firmware(css->fw); + + css->binary = NULL; + css->fw = NULL; +} + +int ipu3_css_fw_init(struct ipu3_css *css) +{ + static const u32 BLOCK_MAX = 65536; + struct imgu_device *imgu = dev_get_drvdata(css->dev); + struct device *dev = css->dev; + unsigned int i, j, binary_nr; + int r; + + r = request_firmware(&css->fw, IMGU_FW_NAME, css->dev); + if (r) + return r; + + /* Check and display fw header info */ + + css->fwp = (struct imgu_fw_header *)css->fw->data; + if (css->fw->size < sizeof(struct imgu_fw_header *) || + css->fwp->file_header.h_size != sizeof(struct imgu_fw_bi_file_h)) + goto bad_fw; + if (sizeof(struct imgu_fw_bi_file_h) + + css->fwp->file_header.binary_nr * sizeof(struct imgu_fw_info) > + css->fw->size) + goto bad_fw; + + dev_info(dev, "loaded firmware version %.64s, %u binaries, %zu bytes\n", + css->fwp->file_header.version, css->fwp->file_header.binary_nr, + css->fw->size); + + /* Validate and display info on fw binaries */ + + binary_nr = css->fwp->file_header.binary_nr; + + css->fw_bl = -1; + css->fw_sp[0] = -1; + css->fw_sp[1] = -1; + + for (i = 0; i < binary_nr; i++) { + struct imgu_fw_info *bi = &css->fwp->binary_header[i]; + const char *name = (void *)css->fwp + bi->blob.prog_name_offset; + size_t len; + + if (bi->blob.prog_name_offset >= css->fw->size) + goto bad_fw; + len = strnlen(name, css->fw->size - bi->blob.prog_name_offset); + if (len + 1 > css->fw->size - bi->blob.prog_name_offset || + len + 1 >= IMGU_ABI_MAX_BINARY_NAME) + goto bad_fw; + + if (bi->blob.size != bi->blob.text_size + bi->blob.icache_size + + bi->blob.data_size + bi->blob.padding_size) + goto bad_fw; + if (bi->blob.offset + bi->blob.size > css->fw->size) + goto bad_fw; + + if (bi->type == IMGU_FW_BOOTLOADER_FIRMWARE) { + css->fw_bl = i; + if (bi->info.bl.sw_state >= css->iomem_length || + bi->info.bl.num_dma_cmds >= css->iomem_length || + bi->info.bl.dma_cmd_list >= css->iomem_length) + goto bad_fw; + } + if (bi->type == IMGU_FW_SP_FIRMWARE || + bi->type == IMGU_FW_SP1_FIRMWARE) { + css->fw_sp[bi->type == IMGU_FW_SP_FIRMWARE ? 0 : 1] = i; + if (bi->info.sp.per_frame_data >= css->iomem_length || + bi->info.sp.init_dmem_data >= css->iomem_length || + bi->info.sp.host_sp_queue >= css->iomem_length || + bi->info.sp.isp_started >= css->iomem_length || + bi->info.sp.sw_state >= css->iomem_length || + bi->info.sp.sleep_mode >= css->iomem_length || + bi->info.sp.invalidate_tlb >= css->iomem_length || + bi->info.sp.host_sp_com >= css->iomem_length || + bi->info.sp.output + 12 >= css->iomem_length || + bi->info.sp.host_sp_queues_initialized >= + css->iomem_length) + goto bad_fw; + } + if (bi->type != IMGU_FW_ISP_FIRMWARE) + continue; + + if (bi->info.isp.sp.pipeline.mode >= IPU3_CSS_PIPE_ID_NUM) + goto bad_fw; + + if (bi->info.isp.sp.iterator.num_stripes > + IPU3_UAPI_MAX_STRIPES) + goto bad_fw; + + if (bi->info.isp.num_vf_formats > IMGU_ABI_FRAME_FORMAT_NUM || + bi->info.isp.num_output_formats > IMGU_ABI_FRAME_FORMAT_NUM) + goto bad_fw; + + for (j = 0; j < bi->info.isp.num_output_formats; j++) + if (bi->info.isp.output_formats[j] < 0 || + bi->info.isp.output_formats[j] >= + IMGU_ABI_FRAME_FORMAT_NUM) + goto bad_fw; + for (j = 0; j < bi->info.isp.num_vf_formats; j++) + if (bi->info.isp.vf_formats[j] < 0 || + bi->info.isp.vf_formats[j] >= + IMGU_ABI_FRAME_FORMAT_NUM) + goto bad_fw; + + if (bi->info.isp.sp.block.block_width <= 0 || + bi->info.isp.sp.block.block_width > BLOCK_MAX || + bi->info.isp.sp.block.output_block_height <= 0 || + bi->info.isp.sp.block.output_block_height > BLOCK_MAX) + goto bad_fw; + + if (bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_PARAM] + + sizeof(struct imgu_fw_param_memory_offsets) > + css->fw->size || + bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_CONFIG] + + sizeof(struct imgu_fw_config_memory_offsets) > + css->fw->size || + bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_STATE] + + sizeof(struct imgu_fw_state_memory_offsets) > + css->fw->size) + goto bad_fw; + + ipu3_css_fw_show_binary(dev, bi, name); + } + + if (css->fw_bl == -1 || css->fw_sp[0] == -1 || css->fw_sp[1] == -1) + goto bad_fw; + + /* Allocate and map fw binaries into IMGU */ + + css->binary = kcalloc(binary_nr, sizeof(*css->binary), GFP_KERNEL); + if (!css->binary) { + r = -ENOMEM; + goto error_out; + } + + for (i = 0; i < css->fwp->file_header.binary_nr; i++) { + struct imgu_fw_info *bi = &css->fwp->binary_header[i]; + void *blob = (void *)css->fwp + bi->blob.offset; + size_t size = bi->blob.size; + + if (!ipu3_dmamap_alloc(imgu, &css->binary[i], size)) { + r = -ENOMEM; + goto error_out; + } + memcpy(css->binary[i].vaddr, blob, size); + } + + return 0; + +bad_fw: + dev_err(dev, "invalid firmware binary, size %u\n", (int)css->fw->size); + r = -ENODEV; + +error_out: + ipu3_css_fw_cleanup(css); + return r; +} diff --git a/drivers/staging/media/ipu3/ipu3-css-fw.h b/drivers/staging/media/ipu3/ipu3-css-fw.h new file mode 100644 index 000000000000..954bb31307f5 --- /dev/null +++ b/drivers/staging/media/ipu3/ipu3-css-fw.h @@ -0,0 +1,188 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2018 Intel Corporation */ + +#ifndef __IPU3_CSS_FW_H +#define __IPU3_CSS_FW_H + +/******************* Firmware file definitions *******************/ + +#define IMGU_FW_NAME "ipu3-fw.bin" + +typedef u32 imgu_fw_ptr; + +enum imgu_fw_type { + IMGU_FW_SP_FIRMWARE, /* Firmware for the SP */ + IMGU_FW_SP1_FIRMWARE, /* Firmware for the SP1 */ + IMGU_FW_ISP_FIRMWARE, /* Firmware for the ISP */ + IMGU_FW_BOOTLOADER_FIRMWARE, /* Firmware for the BootLoader */ + IMGU_FW_ACC_FIRMWARE /* Firmware for accelerations */ +}; + +enum imgu_fw_acc_type { + IMGU_FW_ACC_NONE, /* Normal binary */ + IMGU_FW_ACC_OUTPUT, /* Accelerator stage on output frame */ + IMGU_FW_ACC_VIEWFINDER, /* Accelerator stage on viewfinder frame */ + IMGU_FW_ACC_STANDALONE, /* Stand-alone acceleration */ +}; + +struct imgu_fw_isp_parameter { + u32 offset; /* Offset in isp_<mem> config, params, etc. */ + u32 size; /* Disabled if 0 */ +}; + +struct imgu_fw_param_memory_offsets { + struct { + struct imgu_fw_isp_parameter lin; /* lin_vmem_params */ + struct imgu_fw_isp_parameter tnr3; /* tnr3_vmem_params */ + struct imgu_fw_isp_parameter xnr3; /* xnr3_vmem_params */ + } vmem; + struct { + struct imgu_fw_isp_parameter tnr; + struct imgu_fw_isp_parameter tnr3; /* tnr3_params */ + struct imgu_fw_isp_parameter xnr3; /* xnr3_params */ + struct imgu_fw_isp_parameter plane_io_config; /* 192 bytes */ + struct imgu_fw_isp_parameter rgbir; /* rgbir_params */ + } dmem; +}; + +struct imgu_fw_config_memory_offsets { + struct { + struct imgu_fw_isp_parameter iterator; + struct imgu_fw_isp_parameter dvs; + struct imgu_fw_isp_parameter output; + struct imgu_fw_isp_parameter raw; + struct imgu_fw_isp_parameter input_yuv; + struct imgu_fw_isp_parameter tnr; + struct imgu_fw_isp_parameter tnr3; + struct imgu_fw_isp_parameter ref; + } dmem; +}; + +struct imgu_fw_state_memory_offsets { + struct { + struct imgu_fw_isp_parameter tnr; + struct imgu_fw_isp_parameter tnr3; + struct imgu_fw_isp_parameter ref; + } dmem; +}; + +union imgu_fw_all_memory_offsets { + struct { + u64 imgu_fw_mem_offsets[3]; /* params, config, state */ + } offsets; + struct { + u64 ptr; + } array[IMGU_ABI_PARAM_CLASS_NUM]; +}; + +struct imgu_fw_binary_xinfo { + /* Part that is of interest to the SP. */ + struct imgu_abi_binary_info sp; + + /* Rest of the binary info, only interesting to the host. */ + u32 type; /* enum imgu_fw_acc_type */ + + u32 num_output_formats __aligned(8); + u32 output_formats[IMGU_ABI_FRAME_FORMAT_NUM]; /* enum frame_format */ + + /* number of supported vf formats */ + u32 num_vf_formats __aligned(8); + /* types of supported vf formats */ + u32 vf_formats[IMGU_ABI_FRAME_FORMAT_NUM]; /* enum frame_format */ + u8 num_output_pins; + imgu_fw_ptr xmem_addr; + + u64 imgu_fw_blob_descr_ptr __aligned(8); + u32 blob_index __aligned(8); + union imgu_fw_all_memory_offsets mem_offsets __aligned(8); + struct imgu_fw_binary_xinfo *next __aligned(8); +}; + +struct imgu_fw_sp_info { + u32 init_dmem_data; /* data sect config, stored to dmem */ + u32 per_frame_data; /* Per frame data, stored to dmem */ + u32 group; /* Per pipeline data, loaded by dma */ + u32 output; /* SP output data, loaded by dmem */ + u32 host_sp_queue; /* Host <-> SP queues */ + u32 host_sp_com; /* Host <-> SP commands */ + u32 isp_started; /* P'ed from sensor thread, csim only */ + u32 sw_state; /* Polled from css, enum imgu_abi_sp_swstate */ + u32 host_sp_queues_initialized; /* Polled from the SP */ + u32 sleep_mode; /* different mode to halt SP */ + u32 invalidate_tlb; /* inform SP to invalidate mmu TLB */ + u32 debug_buffer_ddr_address; /* the addr of DDR debug queue */ + + /* input system perf count array */ + u32 perf_counter_input_system_error; + u32 threads_stack; /* sp thread's stack pointers */ + u32 threads_stack_size; /* sp thread's stack sizes */ + u32 curr_binary_id; /* current binary id */ + u32 raw_copy_line_count; /* raw copy line counter */ + u32 ddr_parameter_address; /* acc param ddrptr, sp dmem */ + u32 ddr_parameter_size; /* acc param size, sp dmem */ + /* Entry functions */ + u32 sp_entry; /* The SP entry function */ + u32 tagger_frames_addr; /* Base address of tagger state */ +}; + +struct imgu_fw_bl_info { + u32 num_dma_cmds; /* Number of cmds sent by CSS */ + u32 dma_cmd_list; /* Dma command list sent by CSS */ + u32 sw_state; /* Polled from css, enum imgu_abi_bl_swstate */ + /* Entry functions */ + u32 bl_entry; /* The SP entry function */ +}; + +struct imgu_fw_acc_info { + u32 per_frame_data; /* Dummy for now */ +}; + +union imgu_fw_union { + struct imgu_fw_binary_xinfo isp; /* ISP info */ + struct imgu_fw_sp_info sp; /* SP info */ + struct imgu_fw_sp_info sp1; /* SP1 info */ + struct imgu_fw_bl_info bl; /* Bootloader info */ + struct imgu_fw_acc_info acc; /* Accelerator info */ +}; + +struct imgu_fw_info { + size_t header_size; /* size of fw header */ + u32 type __aligned(8); /* enum imgu_fw_type */ + union imgu_fw_union info; /* Binary info */ + struct imgu_abi_blob_info blob; /* Blob info */ + /* Dynamic part */ + u64 next; + + u32 loaded __aligned(8); /* Firmware has been loaded */ + const u64 isp_code __aligned(8); /* ISP pointer to code */ + /* Firmware handle between user space and kernel */ + u32 handle __aligned(8); + /* Sections to copy from/to ISP */ + struct imgu_abi_isp_param_segments mem_initializers; + /* Initializer for local ISP memories */ +}; + +struct imgu_fw_bi_file_h { + char version[64]; /* branch tag + week day + time */ + int binary_nr; /* Number of binaries */ + unsigned int h_size; /* sizeof(struct imgu_fw_bi_file_h) */ +}; + +struct imgu_fw_header { + struct imgu_fw_bi_file_h file_header; + struct imgu_fw_info binary_header[1]; /* binary_nr items */ +}; + +/******************* Firmware functions *******************/ + +int ipu3_css_fw_init(struct ipu3_css *css); +void ipu3_css_fw_cleanup(struct ipu3_css *css); + +unsigned int ipu3_css_fw_obgrid_size(const struct imgu_fw_info *bi); +void *ipu3_css_fw_pipeline_params(struct ipu3_css *css, + enum imgu_abi_param_class c, + enum imgu_abi_memories m, + struct imgu_fw_isp_parameter *par, + size_t par_size, void *binary_params); + +#endif |