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x86: nhlt: Correct output of bytes and 16-bit data
At present these functions are incorrect. Fix them and add some logging and checking to avoid future problems. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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parent
d2cb7a22da
commit
a87fff80ee
1 changed files with 10 additions and 3 deletions
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@ -285,25 +285,26 @@ static void nhlt_free_resources(struct nhlt *nhlt)
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}
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struct cursor {
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u8 *start;
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u8 *buf;
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};
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static void ser8(struct cursor *cur, uint val)
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{
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*cur->buf = val;
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cur->buf += sizeof(val);
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cur->buf += sizeof(u8);
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}
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static void ser16(struct cursor *cur, uint val)
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{
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put_unaligned_le16(val, cur->buf);
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cur->buf += sizeof(val);
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cur->buf += sizeof(u16);
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}
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static void ser32(struct cursor *cur, uint val)
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{
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put_unaligned_le32(val, cur->buf);
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cur->buf += sizeof(val);
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cur->buf += sizeof(u32);
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}
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static void serblob(struct cursor *cur, void *from, size_t sz)
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@ -315,12 +316,14 @@ static void serblob(struct cursor *cur, void *from, size_t sz)
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static void serialise_specific_config(struct nhlt_specific_config *cfg,
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struct cursor *cur)
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{
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log_debug("%zx\n", cur->buf - cur->start);
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ser32(cur, cfg->size);
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serblob(cur, cfg->capabilities, cfg->size);
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}
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static void serialise_waveform(struct nhlt_waveform *wave, struct cursor *cur)
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{
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log_debug("%zx\n", cur->buf - cur->start);
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ser16(cur, wave->tag);
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ser16(cur, wave->num_channels);
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ser32(cur, wave->samples_per_second);
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@ -338,6 +341,7 @@ static void serialise_waveform(struct nhlt_waveform *wave, struct cursor *cur)
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static void serialise_format(struct nhlt_format *fmt, struct cursor *cur)
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{
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log_debug("%zx\n", cur->buf - cur->start);
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serialise_waveform(&fmt->waveform, cur);
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serialise_specific_config(&fmt->config, cur);
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}
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@ -346,6 +350,7 @@ static void serialise_endpoint(struct nhlt_endpoint *endp, struct cursor *cur)
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{
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int i;
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log_debug("%zx\n", cur->buf - cur->start);
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ser32(cur, endp->length);
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ser8(cur, endp->link_type);
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ser8(cur, endp->instance_id);
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@ -405,10 +410,12 @@ int nhlt_serialise_oem_overrides(struct acpi_ctx *ctx, struct nhlt *nhlt,
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header->oem_revision = oem_revision;
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cur.buf = (void *)(header + 1);
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cur.start = (void *)header;
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nhlt_serialise_endpoints(nhlt, &cur);
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header->checksum = table_compute_checksum(header, sz);
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nhlt_free_resources(nhlt);
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assert(cur.buf - cur.start == sz);
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ret = acpi_add_table(ctx, ctx->current);
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if (ret)
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