1 /*
2 * TISCI helper apis header file
3 *
4 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
5 * Lokesh Vutla <lokeshvutla@ti.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the
17 * distribution.
18 *
19 * Neither the name of Texas Instruments Incorporated nor the names of
20 * its contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
36 #ifndef __TISCI_H
37 #define __TISCI_H
39 #include <stdint.h>
41 struct ti_sci_version_info {
42 uint8_t abi_major;
43 uint8_t abi_minor;
44 uint16_t firmware_version;
45 char firmware_description[32];
46 };
48 struct ti_sci_info {
49 uint8_t host_id;
50 struct ti_sci_version_info version;
51 };
53 #define MAX_DEVICE_STATE_LENGTH 25
54 #define MAX_CLOCK_STATE_LENGTH 25
56 int ti_sci_init(void);
57 const char *ti_sci_cmd_get_device_status(uint32_t dev_id);
58 int ti_sci_cmd_disable_device(uint32_t dev_id);
59 int ti_sci_cmd_enable_device(uint32_t dev_id);
61 int ti_sci_cmd_get_clk(uint32_t dev_id, uint32_t clk_id);
62 int ti_sci_cmd_put_clk(uint32_t dev_id, uint32_t clk_id);
63 const char *ti_sci_cmd_get_clk_state(uint32_t dev_id, uint32_t clk_id);
64 int ti_sci_cmd_set_clk_freq(uint32_t dev_id, uint32_t clk_id, uint64_t freq);
65 int ti_sci_cmd_get_clk_freq(uint32_t dev_id, uint32_t clk_id, uint64_t *freq);
66 #endif