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authorDennis YC Hsieh <dennis-yc.hsieh@mediatek.com>2020-07-07 18:45:10 +0300
committerMatthias Brugger <matthias.bgg@gmail.com>2020-09-25 18:27:35 +0300
commit1af43fce813ebd74c76d080beb261603bd0853e1 (patch)
tree4d965196d16db56c79b9230583af74113fb52ac5 /drivers/soc
parentd3b04aab06fbc33ddea15725f3ff1667c9717929 (diff)
downloadlinux-1af43fce813ebd74c76d080beb261603bd0853e1.tar.xz
soc: mediatek: cmdq: add write_s value function
add write_s function in cmdq helper functions which writes a constant value to address with large dma access support. Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com> Link: https://lore.kernel.org/r/1594136714-11650-6-git-send-email-dennis-yc.hsieh@mediatek.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/mediatek/mtk-cmdq-helper.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index ed9f5e63c195..4e86b65815fc 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -280,6 +280,20 @@ int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx,
}
EXPORT_SYMBOL(cmdq_pkt_write_s_mask);
+int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx,
+ u16 addr_low, u32 value)
+{
+ struct cmdq_instruction inst = {};
+
+ inst.op = CMDQ_CODE_WRITE_S;
+ inst.sop = high_addr_reg_idx;
+ inst.offset = addr_low;
+ inst.value = value;
+
+ return cmdq_pkt_append_command(pkt, inst);
+}
+EXPORT_SYMBOL(cmdq_pkt_write_s_value);
+
int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event)
{
struct cmdq_instruction inst = { {0} };