From 88a2ffc48d5bc85119ef7961df12369dcd53b4d2 Mon Sep 17 00:00:00 2001 From: Dennis YC Hsieh Date: Tue, 7 Jul 2020 23:45:11 +0800 Subject: soc: mediatek: cmdq: add write_s_mask value function add write_s_mask_value function in cmdq helper functions which writes a constant value to address with mask and large dma access support. Signed-off-by: Dennis YC Hsieh Link: https://lore.kernel.org/r/1594136714-11650-7-git-send-email-dennis-yc.hsieh@mediatek.com Signed-off-by: Matthias Brugger --- include/linux/soc/mediatek/mtk-cmdq.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'include/linux/soc') diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index ae73e10da274..d9390d76ee14 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -164,6 +164,21 @@ int cmdq_pkt_write_s_mask(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, u16 addr_low, u32 value); +/** + * cmdq_pkt_write_s_mask_value() - append write_s command with mask to the CMDQ + * packet which write value to a physical + * address + * @pkt: the CMDQ packet + * @high_addr_reg_idx: internal register ID which contains high address of pa + * @addr_low: low address of pa + * @value: the specified target value + * @mask: the specified target mask + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, + u16 addr_low, u32 value, u32 mask); + /** * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet * @pkt: the CMDQ packet -- cgit v1.2.3