97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
|
/* arch/arm/mach-msm/qdsp6/dal.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 2009 Google, Inc.
|
||
|
|
* Author: Brian Swetland <swetland@google.com>
|
||
|
|
*
|
||
|
|
* This software is licensed under the terms of the GNU General Public
|
||
|
|
* License version 2, as published by the Free Software Foundation, and
|
||
|
|
* may be copied, distributed, and modified under those terms.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that 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.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _MACH_MSM_DAL_
|
||
|
|
#define _MACH_MSM_DAL_
|
||
|
|
|
||
|
|
struct dal_client;
|
||
|
|
|
||
|
|
struct dal_info {
|
||
|
|
uint32_t size;
|
||
|
|
uint32_t version;
|
||
|
|
char name[32];
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef void (*dal_event_func_t)(void *data, int len, void *cookie);
|
||
|
|
|
||
|
|
struct dal_client *dal_attach(uint32_t device_id, const char *name,
|
||
|
|
uint32_t cpu, dal_event_func_t func, void *cookie);
|
||
|
|
|
||
|
|
int dal_detach(struct dal_client *client);
|
||
|
|
|
||
|
|
int dal_call(struct dal_client *client,
|
||
|
|
unsigned ddi, unsigned prototype,
|
||
|
|
void *data, int data_len,
|
||
|
|
void *reply, int reply_max);
|
||
|
|
|
||
|
|
void dal_trace(struct dal_client *client);
|
||
|
|
void dal_trace_dump(struct dal_client *client);
|
||
|
|
|
||
|
|
/* function to call before panic on stalled dal calls */
|
||
|
|
void dal_set_oops(struct dal_client *client, void (*oops)(void));
|
||
|
|
|
||
|
|
/* convenience wrappers */
|
||
|
|
int dal_call_f0(struct dal_client *client, uint32_t ddi,
|
||
|
|
uint32_t arg1);
|
||
|
|
int dal_call_f1(struct dal_client *client, uint32_t ddi,
|
||
|
|
uint32_t arg1, uint32_t arg2);
|
||
|
|
int dal_call_f5(struct dal_client *client, uint32_t ddi,
|
||
|
|
void *ibuf, uint32_t ilen);
|
||
|
|
int dal_call_f6(struct dal_client *client, uint32_t ddi,
|
||
|
|
uint32_t s1, void *ibuf, uint32_t ilen);
|
||
|
|
int dal_call_f9(struct dal_client *client, uint32_t ddi,
|
||
|
|
void *obuf, uint32_t olen);
|
||
|
|
int dal_call_f11(struct dal_client *client, uint32_t ddi,
|
||
|
|
uint32_t s1, void *obuf, uint32_t olen);
|
||
|
|
int dal_call_f13(struct dal_client *client, uint32_t ddi, void *ibuf1,
|
||
|
|
uint32_t ilen1, void *ibuf2, uint32_t ilen2, void *obuf,
|
||
|
|
uint32_t olen);
|
||
|
|
int dal_call_f14(struct dal_client *client, uint32_t ddi, void *ibuf,
|
||
|
|
uint32_t ilen, void *obuf1, uint32_t olen1, void *obuf2,
|
||
|
|
uint32_t olen2, uint32_t *oalen2);
|
||
|
|
|
||
|
|
/* common DAL operations */
|
||
|
|
enum {
|
||
|
|
DAL_OP_ATTACH = 0,
|
||
|
|
DAL_OP_DETACH,
|
||
|
|
DAL_OP_INIT,
|
||
|
|
DAL_OP_DEINIT,
|
||
|
|
DAL_OP_OPEN,
|
||
|
|
DAL_OP_CLOSE,
|
||
|
|
DAL_OP_INFO,
|
||
|
|
DAL_OP_POWEREVENT,
|
||
|
|
DAL_OP_SYSREQUEST,
|
||
|
|
DAL_OP_FIRST_DEVICE_API,
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline int check_version(struct dal_client *client, uint32_t version)
|
||
|
|
{
|
||
|
|
struct dal_info info;
|
||
|
|
int res;
|
||
|
|
|
||
|
|
res = dal_call_f9(client, DAL_OP_INFO, &info, sizeof(struct dal_info));
|
||
|
|
if (!res) {
|
||
|
|
if (((info.version & 0xFFFF0000) != (version & 0xFFFF0000)) ||
|
||
|
|
((info.version & 0x0000FFFF) <
|
||
|
|
(version & 0x0000FFFF))) {
|
||
|
|
res = -EINVAL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|