266 lines
6.6 KiB
C
266 lines
6.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (C) 2021 Felix Fietkau <nbd@nbd.name> */
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#include <linux/seq_file.h>
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#include <linux/soc/mediatek/mtk_wed.h>
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#include "mtk_wed.h"
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#include "mtk_wed_regs.h"
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struct reg_dump {
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const char *name;
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u16 offset;
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u8 type;
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u8 base;
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};
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enum {
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DUMP_TYPE_STRING,
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DUMP_TYPE_WED,
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DUMP_TYPE_WDMA,
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DUMP_TYPE_WPDMA_TX,
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DUMP_TYPE_WPDMA_TXFREE,
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DUMP_TYPE_WPDMA_RX,
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DUMP_TYPE_WED_RRO,
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};
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#define DUMP_STR(_str) { _str, 0, DUMP_TYPE_STRING }
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#define DUMP_REG(_reg, ...) { #_reg, MTK_##_reg, __VA_ARGS__ }
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#define DUMP_RING(_prefix, _base, ...) \
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{ _prefix " BASE", _base, __VA_ARGS__ }, \
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{ _prefix " CNT", _base + 0x4, __VA_ARGS__ }, \
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{ _prefix " CIDX", _base + 0x8, __VA_ARGS__ }, \
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{ _prefix " DIDX", _base + 0xc, __VA_ARGS__ }
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#define DUMP_WED(_reg) DUMP_REG(_reg, DUMP_TYPE_WED)
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#define DUMP_WED_RING(_base) DUMP_RING(#_base, MTK_##_base, DUMP_TYPE_WED)
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#define DUMP_WDMA(_reg) DUMP_REG(_reg, DUMP_TYPE_WDMA)
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#define DUMP_WDMA_RING(_base) DUMP_RING(#_base, MTK_##_base, DUMP_TYPE_WDMA)
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#define DUMP_WPDMA_TX_RING(_n) DUMP_RING("WPDMA_TX" #_n, 0, DUMP_TYPE_WPDMA_TX, _n)
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#define DUMP_WPDMA_TXFREE_RING DUMP_RING("WPDMA_RX1", 0, DUMP_TYPE_WPDMA_TXFREE)
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#define DUMP_WPDMA_RX_RING(_n) DUMP_RING("WPDMA_RX" #_n, 0, DUMP_TYPE_WPDMA_RX, _n)
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#define DUMP_WED_RRO_RING(_base)DUMP_RING("WED_RRO_MIOD", MTK_##_base, DUMP_TYPE_WED_RRO)
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#define DUMP_WED_RRO_FDBK(_base)DUMP_RING("WED_RRO_FDBK", MTK_##_base, DUMP_TYPE_WED_RRO)
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static void
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print_reg_val(struct seq_file *s, const char *name, u32 val)
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{
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seq_printf(s, "%-32s %08x\n", name, val);
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}
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static void
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dump_wed_regs(struct seq_file *s, struct mtk_wed_device *dev,
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const struct reg_dump *regs, int n_regs)
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{
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const struct reg_dump *cur;
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u32 val;
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for (cur = regs; cur < ®s[n_regs]; cur++) {
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switch (cur->type) {
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case DUMP_TYPE_STRING:
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seq_printf(s, "%s======== %s:\n",
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cur > regs ? "\n" : "",
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cur->name);
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continue;
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case DUMP_TYPE_WED_RRO:
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case DUMP_TYPE_WED:
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val = wed_r32(dev, cur->offset);
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break;
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case DUMP_TYPE_WDMA:
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val = wdma_r32(dev, cur->offset);
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break;
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case DUMP_TYPE_WPDMA_TX:
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val = wpdma_tx_r32(dev, cur->base, cur->offset);
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break;
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case DUMP_TYPE_WPDMA_TXFREE:
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val = wpdma_txfree_r32(dev, cur->offset);
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break;
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case DUMP_TYPE_WPDMA_RX:
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val = wpdma_rx_r32(dev, cur->base, cur->offset);
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break;
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}
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print_reg_val(s, cur->name, val);
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}
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}
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static int
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wed_txinfo_show(struct seq_file *s, void *data)
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{
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static const struct reg_dump regs[] = {
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DUMP_STR("WED TX"),
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DUMP_WED(WED_TX_MIB(0)),
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DUMP_WED_RING(WED_RING_TX(0)),
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DUMP_WED(WED_TX_MIB(1)),
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DUMP_WED_RING(WED_RING_TX(1)),
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DUMP_STR("WPDMA TX"),
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DUMP_WED(WED_WPDMA_TX_MIB(0)),
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DUMP_WED_RING(WED_WPDMA_RING_TX(0)),
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DUMP_WED(WED_WPDMA_TX_COHERENT_MIB(0)),
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DUMP_WED(WED_WPDMA_TX_MIB(1)),
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DUMP_WED_RING(WED_WPDMA_RING_TX(1)),
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DUMP_WED(WED_WPDMA_TX_COHERENT_MIB(1)),
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DUMP_STR("WPDMA TX"),
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DUMP_WPDMA_TX_RING(0),
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DUMP_WPDMA_TX_RING(1),
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DUMP_STR("WED WDMA RX"),
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DUMP_WED(WED_WDMA_RX_MIB(0)),
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DUMP_WED_RING(WED_WDMA_RING_RX(0)),
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DUMP_WED(WED_WDMA_RX_THRES(0)),
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DUMP_WED(WED_WDMA_RX_RECYCLE_MIB(0)),
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DUMP_WED(WED_WDMA_RX_PROCESSED_MIB(0)),
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DUMP_WED(WED_WDMA_RX_MIB(1)),
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DUMP_WED_RING(WED_WDMA_RING_RX(1)),
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DUMP_WED(WED_WDMA_RX_THRES(1)),
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DUMP_WED(WED_WDMA_RX_RECYCLE_MIB(1)),
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DUMP_WED(WED_WDMA_RX_PROCESSED_MIB(1)),
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DUMP_STR("WDMA RX"),
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DUMP_WDMA(WDMA_GLO_CFG),
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DUMP_WDMA_RING(WDMA_RING_RX(0)),
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DUMP_WDMA_RING(WDMA_RING_RX(1)),
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DUMP_STR("TX FREE"),
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DUMP_WED(WED_RX_MIB(0)),
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};
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struct mtk_wed_hw *hw = s->private;
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struct mtk_wed_device *dev = hw->wed_dev;
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if (!dev)
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return 0;
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dump_wed_regs(s, dev, regs, ARRAY_SIZE(regs));
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(wed_txinfo);
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static int
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wed_rxinfo_show(struct seq_file *s, void *data)
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{
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static const struct reg_dump regs[] = {
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DUMP_STR("WPDMA RX"),
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DUMP_WPDMA_RX_RING(0),
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DUMP_WPDMA_RX_RING(1),
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DUMP_STR("WPDMA RX"),
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DUMP_WED(WED_WPDMA_RX_D_MIB(0)),
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DUMP_WED_RING(WED_WPDMA_RING_RX_DATA(0)),
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DUMP_WED(WED_WPDMA_RX_D_PROCESSED_MIB(0)),
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DUMP_WED(WED_WPDMA_RX_D_MIB(1)),
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DUMP_WED_RING(WED_WPDMA_RING_RX_DATA(1)),
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DUMP_WED(WED_WPDMA_RX_D_PROCESSED_MIB(1)),
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DUMP_WED(WED_WPDMA_RX_D_COHERENT_MIB),
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DUMP_STR("WED RX"),
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DUMP_WED_RING(WED_RING_RX_DATA(0)),
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DUMP_WED_RING(WED_RING_RX_DATA(1)),
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DUMP_STR("WED RRO"),
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DUMP_WED_RRO_RING(WED_RROQM_MIOD_CTRL0),
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DUMP_WED(WED_RROQM_MID_MIB),
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DUMP_WED(WED_RROQM_MOD_MIB),
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DUMP_WED(WED_RROQM_MOD_COHERENT_MIB),
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DUMP_WED_RRO_FDBK(WED_RROQM_FDBK_CTRL0),
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DUMP_WED(WED_RROQM_FDBK_IND_MIB),
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DUMP_WED(WED_RROQM_FDBK_ENQ_MIB),
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DUMP_WED(WED_RROQM_FDBK_ANC_MIB),
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DUMP_WED(WED_RROQM_FDBK_ANC2H_MIB),
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DUMP_STR("WED Route QM"),
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DUMP_WED(WED_RTQM_R2H_MIB(0)),
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DUMP_WED(WED_RTQM_R2Q_MIB(0)),
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DUMP_WED(WED_RTQM_Q2H_MIB(0)),
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DUMP_WED(WED_RTQM_R2H_MIB(1)),
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DUMP_WED(WED_RTQM_R2Q_MIB(1)),
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DUMP_WED(WED_RTQM_Q2H_MIB(1)),
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DUMP_WED(WED_RTQM_Q2N_MIB),
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DUMP_WED(WED_RTQM_Q2B_MIB),
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DUMP_WED(WED_RTQM_PFDBK_MIB),
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DUMP_STR("WED WDMA TX"),
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DUMP_WED(WED_WDMA_TX_MIB),
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DUMP_WED_RING(WED_WDMA_RING_TX),
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DUMP_STR("WDMA TX"),
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DUMP_WDMA(WDMA_GLO_CFG),
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DUMP_WDMA_RING(WDMA_RING_TX(0)),
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DUMP_WDMA_RING(WDMA_RING_TX(1)),
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DUMP_STR("WED RX BM"),
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DUMP_WED(WED_RX_BM_BASE),
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DUMP_WED(WED_RX_BM_RX_DMAD),
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DUMP_WED(WED_RX_BM_PTR),
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DUMP_WED(WED_RX_BM_TKID_MIB),
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DUMP_WED(WED_RX_BM_BLEN),
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DUMP_WED(WED_RX_BM_STS),
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DUMP_WED(WED_RX_BM_INTF2),
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DUMP_WED(WED_RX_BM_INTF),
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DUMP_WED(WED_RX_BM_ERR_STS),
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};
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struct mtk_wed_hw *hw = s->private;
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struct mtk_wed_device *dev = hw->wed_dev;
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if (!dev)
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return 0;
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dump_wed_regs(s, dev, regs, ARRAY_SIZE(regs));
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(wed_rxinfo);
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static int
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mtk_wed_reg_set(void *data, u64 val)
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{
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struct mtk_wed_hw *hw = data;
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regmap_write(hw->regs, hw->debugfs_reg, val);
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return 0;
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}
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static int
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mtk_wed_reg_get(void *data, u64 *val)
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{
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struct mtk_wed_hw *hw = data;
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unsigned int regval;
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int ret;
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ret = regmap_read(hw->regs, hw->debugfs_reg, ®val);
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if (ret)
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return ret;
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*val = regval;
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return 0;
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}
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DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mtk_wed_reg_get, mtk_wed_reg_set,
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"0x%08llx\n");
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void mtk_wed_hw_add_debugfs(struct mtk_wed_hw *hw)
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{
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struct dentry *dir;
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snprintf(hw->dirname, sizeof(hw->dirname), "wed%d", hw->index);
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dir = debugfs_create_dir(hw->dirname, NULL);
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if (!dir)
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return;
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hw->debugfs_dir = dir;
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debugfs_create_u32("regidx", 0600, dir, &hw->debugfs_reg);
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debugfs_create_file_unsafe("regval", 0600, dir, hw, &fops_regval);
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debugfs_create_file_unsafe("txinfo", 0400, dir, hw, &wed_txinfo_fops);
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if (hw->version != 1)
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debugfs_create_file_unsafe("rxinfo", 0400, dir, hw,
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&wed_rxinfo_fops);
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}
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