diff options
Diffstat (limited to 'include/linux/scpi_protocol.h')
-rw-r--r-- | include/linux/scpi_protocol.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h new file mode 100644 index 000000000000..0fdc969d8b9e --- /dev/null +++ b/include/linux/scpi_protocol.h @@ -0,0 +1,35 @@ +/* + * SCPI Message Protocol driver header + * + * Copyright (C) 2014 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <linux/types.h> + +struct scpi_opp_entry { + u32 freq_hz; + u32 volt_mv; +} __packed; + +struct scpi_opp { + struct scpi_opp_entry *opp; + u32 latency; /* in usecs */ + int count; +} __packed; + +unsigned long scpi_clk_get_val(u16 clk_id); +int scpi_clk_set_val(u16 clk_id, unsigned long rate); +int scpi_dvfs_get_idx(u8 domain); +int scpi_dvfs_set_idx(u8 domain, u8 idx); +struct scpi_opp *scpi_dvfs_get_opps(u8 domain); |