diff options
| author | Jason-JH.Lin <jason-jh.lin@mediatek.com> | 2024-03-07 09:34:56 +0800 |
|---|---|---|
| committer | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2024-04-23 12:16:55 +0200 |
| commit | 263801f8e5a159cff2dfbc2a1d9cf9f1afecfa81 (patch) | |
| tree | 2f4e6ecac6e972889a99d0ff13287bd18d758269 /include | |
| parent | 49ddaa495f8b60c8c4022ebe540024dd870e4dd1 (diff) | |
soc: mediatek: mtk-cmdq: Add cmdq_pkt_mem_move() function
Add cmdq_pkt_mem_move() function to support CMDQ user making
an instruction for moving a value from a source address to a
destination address.
Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240307013458.23550-3-jason-jh.lin@mediatek.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/soc/mediatek/mtk-cmdq.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 042c61f29dc1..167c8fecac30 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -185,6 +185,18 @@ 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_mem_move() - append memory move command to the CMDQ packet + * @pkt: the CMDQ packet + * @src_addr: source address + * @dst_addr: destination address + * + * Appends a CMDQ command to copy the value found in `src_addr` to `dst_addr`. + * + * Return: 0 for success; else the error code is returned + */ +int cmdq_pkt_mem_move(struct cmdq_pkt *pkt, dma_addr_t src_addr, dma_addr_t dst_addr); + +/** * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet * @pkt: the CMDQ packet * @event: the desired event type to wait |