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mt76: mt7921: fix mt7921_queues_acq implementation
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Fix mt7921_queues_acq implementation according to the vendor sdk.

Fixes: 474a9f21e2e20 ("mt76: mt7921: add debugfs support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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LorenzoBianconi authored and nbd168 committed Mar 14, 2022
1 parent 00a066c commit d6d2479
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Showing 2 changed files with 11 additions and 13 deletions.
13 changes: 6 additions & 7 deletions mt7921/debugfs.c
Expand Up @@ -129,23 +129,22 @@ mt7921_queues_acq(struct seq_file *s, void *data)

mt7921_mutex_acquire(dev);

for (i = 0; i < 16; i++) {
int j, acs = i / 4, index = i % 4;
for (i = 0; i < 4; i++) {
u32 ctrl, val, qlen = 0;
int j;

val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index));
ctrl = BIT(31) | BIT(15) | (acs << 8);
val = mt76_rr(dev, MT_PLE_AC_QEMPTY(i));
ctrl = BIT(31) | BIT(11) | (i << 24);

for (j = 0; j < 32; j++) {
if (val & BIT(j))
continue;

mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
ctrl | (j + (index << 5)));
mt76_wr(dev, MT_PLE_FL_Q0_CTRL, ctrl | j);
qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
GENMASK(11, 0));
}
seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen);
seq_printf(s, "AC%d: queued=%d\n", i, qlen);
}

mt7921_mutex_release(dev);
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11 changes: 5 additions & 6 deletions mt7921/regs.h
Expand Up @@ -17,13 +17,12 @@
#define MT_PLE_BASE 0x820c0000
#define MT_PLE(ofs) (MT_PLE_BASE + (ofs))

#define MT_PLE_FL_Q0_CTRL MT_PLE(0x1b0)
#define MT_PLE_FL_Q1_CTRL MT_PLE(0x1b4)
#define MT_PLE_FL_Q2_CTRL MT_PLE(0x1b8)
#define MT_PLE_FL_Q3_CTRL MT_PLE(0x1bc)
#define MT_PLE_FL_Q0_CTRL MT_PLE(0x3e0)
#define MT_PLE_FL_Q1_CTRL MT_PLE(0x3e4)
#define MT_PLE_FL_Q2_CTRL MT_PLE(0x3e8)
#define MT_PLE_FL_Q3_CTRL MT_PLE(0x3ec)

#define MT_PLE_AC_QEMPTY(ac, n) MT_PLE(0x300 + 0x10 * (ac) + \
((n) << 2))
#define MT_PLE_AC_QEMPTY(_n) MT_PLE(0x500 + 0x40 * (_n))
#define MT_PLE_AMSDU_PACK_MSDU_CNT(n) MT_PLE(0x10e0 + ((n) << 2))

#define MT_MDP_BASE 0x820cd000
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