diff options
| author | Chenghai Huang <huangchenghai2@huawei.com> | 2025-08-21 09:38:09 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-08-30 15:43:26 +0800 |
| commit | dcd2d5fda2bb3898eca9380c13da1f346de1df6f (patch) | |
| tree | ba73390f6407af381d785eeb6bf0e0771af81c7a /drivers | |
| parent | 9228facb308157ac0bdd264b873187896f7a9c7a (diff) | |
crypto: hisilicon/zip - enable literal length in stream mode compression
In stream mode, the hardware needs to combine the length of the
previous literal to calculate the length of the current literal.
Signed-off-by: Chenghai Huang <huangchenghai2@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/hisilicon/zip/zip_main.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c index 341c4564e21a..8c64f145173f 100644 --- a/drivers/crypto/hisilicon/zip/zip_main.c +++ b/drivers/crypto/hisilicon/zip/zip_main.c @@ -117,6 +117,9 @@ /* zip comp high performance */ #define HZIP_HIGH_PERF_OFFSET 0x301208 +#define HZIP_LIT_LEN_EN_OFFSET 0x301204 +#define HZIP_LIT_LEN_EN_EN BIT(4) + enum { HZIP_HIGH_COMP_RATE, HZIP_HIGH_COMP_PERF, @@ -454,6 +457,20 @@ bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg) return false; } +static void hisi_zip_literal_set(struct hisi_qm *qm) +{ + u32 val; + + if (qm->ver < QM_HW_V3) + return; + + val = readl_relaxed(qm->io_base + HZIP_LIT_LEN_EN_OFFSET); + val &= ~HZIP_LIT_LEN_EN_EN; + + /* enable literal length in stream mode compression */ + writel(val, qm->io_base + HZIP_LIT_LEN_EN_OFFSET); +} + static void hisi_zip_set_high_perf(struct hisi_qm *qm) { u32 val; @@ -617,6 +634,7 @@ static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm) FIELD_PREP(CQC_CACHE_WB_THRD, 1), base + QM_CACHE_CTL); hisi_zip_set_high_perf(qm); + hisi_zip_literal_set(qm); hisi_zip_enable_clock_gate(qm); ret = hisi_dae_set_user_domain(qm); |