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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/qlogic/qed/qed_init_ops.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_init_ops.c')
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_init_ops.c | 657 |
1 files changed, 657 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_init_ops.c b/drivers/net/ethernet/qlogic/qed/qed_init_ops.c new file mode 100644 index 000000000..b3bf9899c --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_init_ops.c @@ -0,0 +1,657 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +/* QLogic qed NIC Driver + * Copyright (c) 2015-2017 QLogic Corporation + * Copyright (c) 2019-2020 Marvell International Ltd. + */ + +#include <linux/types.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/string.h> +#include "qed.h" +#include "qed_hsi.h" +#include "qed_hw.h" +#include "qed_init_ops.h" +#include "qed_iro_hsi.h" +#include "qed_reg_addr.h" +#include "qed_sriov.h" + +#define QED_INIT_MAX_POLL_COUNT 100 +#define QED_INIT_POLL_PERIOD_US 500 + +static u32 pxp_global_win[] = { + 0, + 0, + 0x1c02, /* win 2: addr=0x1c02000, size=4096 bytes */ + 0x1c80, /* win 3: addr=0x1c80000, size=4096 bytes */ + 0x1d00, /* win 4: addr=0x1d00000, size=4096 bytes */ + 0x1d01, /* win 5: addr=0x1d01000, size=4096 bytes */ + 0x1d02, /* win 6: addr=0x1d02000, size=4096 bytes */ + 0x1d80, /* win 7: addr=0x1d80000, size=4096 bytes */ + 0x1d81, /* win 8: addr=0x1d81000, size=4096 bytes */ + 0x1d82, /* win 9: addr=0x1d82000, size=4096 bytes */ + 0x1e00, /* win 10: addr=0x1e00000, size=4096 bytes */ + 0x1e01, /* win 11: addr=0x1e01000, size=4096 bytes */ + 0x1e80, /* win 12: addr=0x1e80000, size=4096 bytes */ + 0x1f00, /* win 13: addr=0x1f00000, size=4096 bytes */ + 0x1c08, /* win 14: addr=0x1c08000, size=4096 bytes */ + 0, + 0, + 0, + 0, +}; + +/* IRO Array */ +static const u32 iro_arr[] = { + 0x00000000, 0x00000000, 0x00080000, + 0x00004478, 0x00000008, 0x00080000, + 0x00003288, 0x00000088, 0x00880000, + 0x000058a8, 0x00000020, 0x00200000, + 0x00003188, 0x00000008, 0x00080000, + 0x00000b00, 0x00000008, 0x00040000, + 0x00000a80, 0x00000008, 0x00040000, + 0x00000000, 0x00000008, 0x00020000, + 0x00000080, 0x00000008, 0x00040000, + 0x00000084, 0x00000008, 0x00020000, + 0x00005798, 0x00000004, 0x00040000, + 0x00004e50, 0x00000000, 0x00780000, + 0x00003e40, 0x00000000, 0x00780000, + 0x00004500, 0x00000000, 0x00780000, + 0x00003210, 0x00000000, 0x00780000, + 0x00003b50, 0x00000000, 0x00780000, + 0x00007f58, 0x00000000, 0x00780000, + 0x00005fd8, 0x00000000, 0x00080000, + 0x00007100, 0x00000000, 0x00080000, + 0x0000af20, 0x00000000, 0x00080000, + 0x00004398, 0x00000000, 0x00080000, + 0x0000a5a0, 0x00000000, 0x00080000, + 0x0000bde8, 0x00000000, 0x00080000, + 0x00000020, 0x00000004, 0x00040000, + 0x00005688, 0x00000010, 0x00100000, + 0x0000c210, 0x00000030, 0x00300000, + 0x0000b108, 0x00000038, 0x00380000, + 0x00003d20, 0x00000080, 0x00400000, + 0x0000bf60, 0x00000000, 0x00040000, + 0x00004560, 0x00040080, 0x00040000, + 0x000001f8, 0x00000004, 0x00040000, + 0x00003d60, 0x00000080, 0x00200000, + 0x00008960, 0x00000040, 0x00300000, + 0x0000e840, 0x00000060, 0x00600000, + 0x00004698, 0x00000080, 0x00380000, + 0x000107b8, 0x000000c0, 0x00c00000, + 0x000001f8, 0x00000002, 0x00020000, + 0x0000a260, 0x00000000, 0x01080000, + 0x0000a368, 0x00000008, 0x00080000, + 0x000001c0, 0x00000008, 0x00080000, + 0x000001f8, 0x00000008, 0x00080000, + 0x00000ac0, 0x00000008, 0x00080000, + 0x00002578, 0x00000008, 0x00080000, + 0x000024f8, 0x00000008, 0x00080000, + 0x00000280, 0x00000008, 0x00080000, + 0x00000680, 0x00080018, 0x00080000, + 0x00000b78, 0x00080018, 0x00020000, + 0x0000c600, 0x00000058, 0x003c0000, + 0x00012038, 0x00000020, 0x00100000, + 0x00011b00, 0x00000048, 0x00180000, + 0x00009650, 0x00000050, 0x00200000, + 0x00008b10, 0x00000040, 0x00280000, + 0x000116c0, 0x00000018, 0x00100000, + 0x0000c808, 0x00000048, 0x00380000, + 0x00011790, 0x00000020, 0x00200000, + 0x000046d0, 0x00000080, 0x00100000, + 0x00003618, 0x00000010, 0x00100000, + 0x0000a9e8, 0x00000008, 0x00010000, + 0x000097a0, 0x00000008, 0x00010000, + 0x00011a10, 0x00000008, 0x00010000, + 0x0000e9f8, 0x00000008, 0x00010000, + 0x00012648, 0x00000008, 0x00010000, + 0x000121c8, 0x00000008, 0x00010000, + 0x0000af08, 0x00000030, 0x00100000, + 0x0000d748, 0x00000028, 0x00280000, + 0x00009e68, 0x00000018, 0x00180000, + 0x00009fe8, 0x00000008, 0x00080000, + 0x00013ea8, 0x00000008, 0x00080000, + 0x00012f18, 0x00000018, 0x00180000, + 0x0000dfe8, 0x00500288, 0x00100000, + 0x000131a0, 0x00000138, 0x00280000, +}; + +void qed_init_iro_array(struct qed_dev *cdev) +{ + cdev->iro_arr = iro_arr + E4_IRO_ARR_OFFSET; +} + +void qed_init_store_rt_reg(struct qed_hwfn *p_hwfn, u32 rt_offset, u32 val) +{ + if (rt_offset >= RUNTIME_ARRAY_SIZE) { + DP_ERR(p_hwfn, + "Avoid storing %u in rt_data at index %u!\n", + val, rt_offset); + return; + } + + p_hwfn->rt_data.init_val[rt_offset] = val; + p_hwfn->rt_data.b_valid[rt_offset] = true; +} + +void qed_init_store_rt_agg(struct qed_hwfn *p_hwfn, + u32 rt_offset, u32 *p_val, size_t size) +{ + size_t i; + + if ((rt_offset + size - 1) >= RUNTIME_ARRAY_SIZE) { + DP_ERR(p_hwfn, + "Avoid storing values in rt_data at indices %u-%u!\n", + rt_offset, + (u32)(rt_offset + size - 1)); + return; + } + + for (i = 0; i < size / sizeof(u32); i++) { + p_hwfn->rt_data.init_val[rt_offset + i] = p_val[i]; + p_hwfn->rt_data.b_valid[rt_offset + i] = true; + } +} + +static int qed_init_rt(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 addr, u16 rt_offset, u16 size, bool b_must_dmae) +{ + u32 *p_init_val = &p_hwfn->rt_data.init_val[rt_offset]; + bool *p_valid = &p_hwfn->rt_data.b_valid[rt_offset]; + u16 i, j, segment; + int rc = 0; + + /* Since not all RT entries are initialized, go over the RT and + * for each segment of initialized values use DMA. + */ + for (i = 0; i < size; i++) { + if (!p_valid[i]) + continue; + + /* In case there isn't any wide-bus configuration here, + * simply write the data instead of using dmae. + */ + if (!b_must_dmae) { + qed_wr(p_hwfn, p_ptt, addr + (i << 2), p_init_val[i]); + p_valid[i] = false; + continue; + } + + /* Start of a new segment */ + for (segment = 1; i + segment < size; segment++) + if (!p_valid[i + segment]) + break; + + rc = qed_dmae_host2grc(p_hwfn, p_ptt, + (uintptr_t)(p_init_val + i), + addr + (i << 2), segment, NULL); + if (rc) + return rc; + + /* invalidate after writing */ + for (j = i; j < (u32)(i + segment); j++) + p_valid[j] = false; + + /* Jump over the entire segment, including invalid entry */ + i += segment; + } + + return rc; +} + +int qed_init_alloc(struct qed_hwfn *p_hwfn) +{ + struct qed_rt_data *rt_data = &p_hwfn->rt_data; + + if (IS_VF(p_hwfn->cdev)) + return 0; + + rt_data->b_valid = kcalloc(RUNTIME_ARRAY_SIZE, sizeof(bool), + GFP_KERNEL); + if (!rt_data->b_valid) + return -ENOMEM; + + rt_data->init_val = kcalloc(RUNTIME_ARRAY_SIZE, sizeof(u32), + GFP_KERNEL); + if (!rt_data->init_val) { + kfree(rt_data->b_valid); + rt_data->b_valid = NULL; + return -ENOMEM; + } + + return 0; +} + +void qed_init_free(struct qed_hwfn *p_hwfn) +{ + kfree(p_hwfn->rt_data.init_val); + p_hwfn->rt_data.init_val = NULL; + kfree(p_hwfn->rt_data.b_valid); + p_hwfn->rt_data.b_valid = NULL; +} + +static int qed_init_array_dmae(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 addr, + u32 dmae_data_offset, + u32 size, + const u32 *buf, + bool b_must_dmae, + bool b_can_dmae) +{ + int rc = 0; + + /* Perform DMAE only for lengthy enough sections or for wide-bus */ + if (!b_can_dmae || (!b_must_dmae && (size < 16))) { + const u32 *data = buf + dmae_data_offset; + u32 i; + + for (i = 0; i < size; i++) + qed_wr(p_hwfn, p_ptt, addr + (i << 2), data[i]); + } else { + rc = qed_dmae_host2grc(p_hwfn, p_ptt, + (uintptr_t)(buf + dmae_data_offset), + addr, size, NULL); + } + + return rc; +} + +static int qed_init_fill_dmae(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 addr, u32 fill_count) +{ + static u32 zero_buffer[DMAE_MAX_RW_SIZE]; + struct qed_dmae_params params = {}; + + memset(zero_buffer, 0, sizeof(u32) * DMAE_MAX_RW_SIZE); + + /* invoke the DMAE virtual/physical buffer API with + * 1. DMAE init channel + * 2. addr, + * 3. p_hwfb->temp_data, + * 4. fill_count + */ + SET_FIELD(params.flags, QED_DMAE_PARAMS_RW_REPL_SRC, 0x1); + return qed_dmae_host2grc(p_hwfn, p_ptt, + (uintptr_t)(&zero_buffer[0]), + addr, fill_count, ¶ms); +} + +static void qed_init_fill(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 addr, u32 fill, u32 fill_count) +{ + u32 i; + + for (i = 0; i < fill_count; i++, addr += sizeof(u32)) + qed_wr(p_hwfn, p_ptt, addr, fill); +} + +static int qed_init_cmd_array(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct init_write_op *cmd, + bool b_must_dmae, bool b_can_dmae) +{ + u32 dmae_array_offset = le32_to_cpu(cmd->args.array_offset); + u32 data = le32_to_cpu(cmd->data); + u32 addr = GET_FIELD(data, INIT_WRITE_OP_ADDRESS) << 2; + + u32 offset, output_len, input_len, max_size; + struct qed_dev *cdev = p_hwfn->cdev; + union init_array_hdr *hdr; + const u32 *array_data; + int rc = 0; + u32 size; + + array_data = cdev->fw_data->arr_data; + + hdr = (union init_array_hdr *)(array_data + dmae_array_offset); + data = le32_to_cpu(hdr->raw.data); + switch (GET_FIELD(data, INIT_ARRAY_RAW_HDR_TYPE)) { + case INIT_ARR_ZIPPED: + offset = dmae_array_offset + 1; + input_len = GET_FIELD(data, + INIT_ARRAY_ZIPPED_HDR_ZIPPED_SIZE); + max_size = MAX_ZIPPED_SIZE * 4; + memset(p_hwfn->unzip_buf, 0, max_size); + + output_len = qed_unzip_data(p_hwfn, input_len, + (u8 *)&array_data[offset], + max_size, (u8 *)p_hwfn->unzip_buf); + if (output_len) { + rc = qed_init_array_dmae(p_hwfn, p_ptt, addr, 0, + output_len, + p_hwfn->unzip_buf, + b_must_dmae, b_can_dmae); + } else { + DP_NOTICE(p_hwfn, "Failed to unzip dmae data\n"); + rc = -EINVAL; + } + break; + case INIT_ARR_PATTERN: + { + u32 repeats = GET_FIELD(data, + INIT_ARRAY_PATTERN_HDR_REPETITIONS); + u32 i; + + size = GET_FIELD(data, INIT_ARRAY_PATTERN_HDR_PATTERN_SIZE); + + for (i = 0; i < repeats; i++, addr += size << 2) { + rc = qed_init_array_dmae(p_hwfn, p_ptt, addr, + dmae_array_offset + 1, + size, array_data, + b_must_dmae, b_can_dmae); + if (rc) + break; + } + break; + } + case INIT_ARR_STANDARD: + size = GET_FIELD(data, INIT_ARRAY_STANDARD_HDR_SIZE); + rc = qed_init_array_dmae(p_hwfn, p_ptt, addr, + dmae_array_offset + 1, + size, array_data, + b_must_dmae, b_can_dmae); + break; + } + + return rc; +} + +/* init_ops write command */ +static int qed_init_cmd_wr(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct init_write_op *p_cmd, bool b_can_dmae) +{ + u32 data = le32_to_cpu(p_cmd->data); + bool b_must_dmae = GET_FIELD(data, INIT_WRITE_OP_WIDE_BUS); + u32 addr = GET_FIELD(data, INIT_WRITE_OP_ADDRESS) << 2; + union init_write_args *arg = &p_cmd->args; + int rc = 0; + + /* Sanitize */ + if (b_must_dmae && !b_can_dmae) { + DP_NOTICE(p_hwfn, + "Need to write to %08x for Wide-bus but DMAE isn't allowed\n", + addr); + return -EINVAL; + } + + switch (GET_FIELD(data, INIT_WRITE_OP_SOURCE)) { + case INIT_SRC_INLINE: + data = le32_to_cpu(p_cmd->args.inline_val); + qed_wr(p_hwfn, p_ptt, addr, data); + break; + case INIT_SRC_ZEROS: + data = le32_to_cpu(p_cmd->args.zeros_count); + if (b_must_dmae || (b_can_dmae && (data >= 64))) + rc = qed_init_fill_dmae(p_hwfn, p_ptt, addr, data); + else + qed_init_fill(p_hwfn, p_ptt, addr, 0, data); + break; + case INIT_SRC_ARRAY: + rc = qed_init_cmd_array(p_hwfn, p_ptt, p_cmd, + b_must_dmae, b_can_dmae); + break; + case INIT_SRC_RUNTIME: + qed_init_rt(p_hwfn, p_ptt, addr, + le16_to_cpu(arg->runtime.offset), + le16_to_cpu(arg->runtime.size), + b_must_dmae); + break; + } + + return rc; +} + +static inline bool comp_eq(u32 val, u32 expected_val) +{ + return val == expected_val; +} + +static inline bool comp_and(u32 val, u32 expected_val) +{ + return (val & expected_val) == expected_val; +} + +static inline bool comp_or(u32 val, u32 expected_val) +{ + return (val | expected_val) > 0; +} + +/* init_ops read/poll commands */ +static void qed_init_cmd_rd(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, struct init_read_op *cmd) +{ + bool (*comp_check)(u32 val, u32 expected_val); + u32 delay = QED_INIT_POLL_PERIOD_US, val; + u32 data, addr, poll; + int i; + + data = le32_to_cpu(cmd->op_data); + addr = GET_FIELD(data, INIT_READ_OP_ADDRESS) << 2; + poll = GET_FIELD(data, INIT_READ_OP_POLL_TYPE); + + val = qed_rd(p_hwfn, p_ptt, addr); + + if (poll == INIT_POLL_NONE) + return; + + switch (poll) { + case INIT_POLL_EQ: + comp_check = comp_eq; + break; + case INIT_POLL_OR: + comp_check = comp_or; + break; + case INIT_POLL_AND: + comp_check = comp_and; + break; + default: + DP_ERR(p_hwfn, "Invalid poll comparison type %08x\n", + cmd->op_data); + return; + } + + data = le32_to_cpu(cmd->expected_val); + for (i = 0; + i < QED_INIT_MAX_POLL_COUNT && !comp_check(val, data); + i++) { + udelay(delay); + val = qed_rd(p_hwfn, p_ptt, addr); + } + + if (i == QED_INIT_MAX_POLL_COUNT) { + DP_ERR(p_hwfn, + "Timeout when polling reg: 0x%08x [ Waiting-for: %08x Got: %08x (comparison %08x)]\n", + addr, le32_to_cpu(cmd->expected_val), + val, le32_to_cpu(cmd->op_data)); + } +} + +/* init_ops callbacks entry point */ +static int qed_init_cmd_cb(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct init_callback_op *p_cmd) +{ + int rc; + + switch (p_cmd->callback_id) { + case DMAE_READY_CB: + rc = qed_dmae_sanity(p_hwfn, p_ptt, "engine_phase"); + break; + default: + DP_NOTICE(p_hwfn, "Unexpected init op callback ID %d\n", + p_cmd->callback_id); + return -EINVAL; + } + + return rc; +} + +static u8 qed_init_cmd_mode_match(struct qed_hwfn *p_hwfn, + u16 *p_offset, int modes) +{ + struct qed_dev *cdev = p_hwfn->cdev; + const u8 *modes_tree_buf; + u8 arg1, arg2, tree_val; + + modes_tree_buf = cdev->fw_data->modes_tree_buf; + tree_val = modes_tree_buf[(*p_offset)++]; + switch (tree_val) { + case INIT_MODE_OP_NOT: + return qed_init_cmd_mode_match(p_hwfn, p_offset, modes) ^ 1; + case INIT_MODE_OP_OR: + arg1 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes); + arg2 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes); + return arg1 | arg2; + case INIT_MODE_OP_AND: + arg1 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes); + arg2 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes); + return arg1 & arg2; + default: + tree_val -= MAX_INIT_MODE_OPS; + return (modes & BIT(tree_val)) ? 1 : 0; + } +} + +static u32 qed_init_cmd_mode(struct qed_hwfn *p_hwfn, + struct init_if_mode_op *p_cmd, int modes) +{ + u16 offset = le16_to_cpu(p_cmd->modes_buf_offset); + + if (qed_init_cmd_mode_match(p_hwfn, &offset, modes)) + return 0; + else + return GET_FIELD(le32_to_cpu(p_cmd->op_data), + INIT_IF_MODE_OP_CMD_OFFSET); +} + +static u32 qed_init_cmd_phase(struct init_if_phase_op *p_cmd, + u32 phase, u32 phase_id) +{ + u32 data = le32_to_cpu(p_cmd->phase_data); + u32 op_data = le32_to_cpu(p_cmd->op_data); + + if (!(GET_FIELD(data, INIT_IF_PHASE_OP_PHASE) == phase && + (GET_FIELD(data, INIT_IF_PHASE_OP_PHASE_ID) == ANY_PHASE_ID || + GET_FIELD(data, INIT_IF_PHASE_OP_PHASE_ID) == phase_id))) + return GET_FIELD(op_data, INIT_IF_PHASE_OP_CMD_OFFSET); + else + return 0; +} + +int qed_init_run(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, int phase, int phase_id, int modes) +{ + bool b_dmae = (phase != PHASE_ENGINE); + struct qed_dev *cdev = p_hwfn->cdev; + u32 cmd_num, num_init_ops; + union init_op *init_ops; + int rc = 0; + + num_init_ops = cdev->fw_data->init_ops_size; + init_ops = cdev->fw_data->init_ops; + + p_hwfn->unzip_buf = kzalloc(MAX_ZIPPED_SIZE * 4, GFP_ATOMIC); + if (!p_hwfn->unzip_buf) + return -ENOMEM; + + for (cmd_num = 0; cmd_num < num_init_ops; cmd_num++) { + union init_op *cmd = &init_ops[cmd_num]; + u32 data = le32_to_cpu(cmd->raw.op_data); + + switch (GET_FIELD(data, INIT_CALLBACK_OP_OP)) { + case INIT_OP_WRITE: + rc = qed_init_cmd_wr(p_hwfn, p_ptt, &cmd->write, + b_dmae); + break; + case INIT_OP_READ: + qed_init_cmd_rd(p_hwfn, p_ptt, &cmd->read); + break; + case INIT_OP_IF_MODE: + cmd_num += qed_init_cmd_mode(p_hwfn, &cmd->if_mode, + modes); + break; + case INIT_OP_IF_PHASE: + cmd_num += qed_init_cmd_phase(&cmd->if_phase, + phase, phase_id); + break; + case INIT_OP_DELAY: + /* qed_init_run is always invoked from + * sleep-able context + */ + udelay(le32_to_cpu(cmd->delay.delay)); + break; + + case INIT_OP_CALLBACK: + rc = qed_init_cmd_cb(p_hwfn, p_ptt, &cmd->callback); + if (phase == PHASE_ENGINE && + cmd->callback.callback_id == DMAE_READY_CB) + b_dmae = true; + break; + } + + if (rc) + break; + } + + kfree(p_hwfn->unzip_buf); + p_hwfn->unzip_buf = NULL; + return rc; +} + +void qed_gtt_init(struct qed_hwfn *p_hwfn) +{ + u32 gtt_base; + u32 i; + + /* Set the global windows */ + gtt_base = PXP_PF_WINDOW_ADMIN_START + PXP_PF_WINDOW_ADMIN_GLOBAL_START; + + for (i = 0; i < ARRAY_SIZE(pxp_global_win); i++) + if (pxp_global_win[i]) + REG_WR(p_hwfn, gtt_base + i * PXP_GLOBAL_ENTRY_SIZE, + pxp_global_win[i]); +} + +int qed_init_fw_data(struct qed_dev *cdev, const u8 *data) +{ + struct qed_fw_data *fw = cdev->fw_data; + struct bin_buffer_hdr *buf_hdr; + u32 offset, len; + + if (!data) { + DP_NOTICE(cdev, "Invalid fw data\n"); + return -EINVAL; + } + + /* First Dword contains metadata and should be skipped */ + buf_hdr = (struct bin_buffer_hdr *)data; + + offset = buf_hdr[BIN_BUF_INIT_FW_VER_INFO].offset; + fw->fw_ver_info = (struct fw_ver_info *)(data + offset); + + offset = buf_hdr[BIN_BUF_INIT_CMD].offset; + fw->init_ops = (union init_op *)(data + offset); + + offset = buf_hdr[BIN_BUF_INIT_VAL].offset; + fw->arr_data = (u32 *)(data + offset); + + offset = buf_hdr[BIN_BUF_INIT_MODE_TREE].offset; + fw->modes_tree_buf = (u8 *)(data + offset); + len = buf_hdr[BIN_BUF_INIT_CMD].length; + fw->init_ops_size = len / sizeof(struct init_raw_op); + + offset = buf_hdr[BIN_BUF_INIT_OVERLAYS].offset; + fw->fw_overlays = (u32 *)(data + offset); + len = buf_hdr[BIN_BUF_INIT_OVERLAYS].length; + fw->fw_overlays_len = len; + + return 0; +} |