--- /dev/null
+/*
+ * This file is part of OMAP DSP driver (DSP Gateway version 3.3.1)
+ *
+ * Copyright (C) 2003-2006 Nokia Corporation. All rights reserved.
+ *
+ * Contact: Toshihiro Kobayashi <toshihiro.kobayashi@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/jiffies.h>
+#include <mach/mailbox.h>
+#include "dsp_mbcmd.h"
+#include "dsp.h"
+
+char *subcmd_name(struct mbcmd *mb)
+{
+ u8 cmd_h = mb->cmd_h;
+ u8 cmd_l = mb->cmd_l;
+ char *s;
+
+ switch (cmd_h) {
+ case MBOX_CMD_DSP_RUNLEVEL:
+ s = (cmd_l == RUNLEVEL_USER) ? "USER":
+ (cmd_l == RUNLEVEL_SUPER) ? "SUPER":
+ (cmd_l == RUNLEVEL_RECOVERY) ? "RECOVERY":
+ NULL;
+ break;
+ case MBOX_CMD_DSP_PM:
+ s = (cmd_l == PM_DISABLE) ? "DISABLE":
+ (cmd_l == PM_ENABLE) ? "ENABLE":
+ NULL;
+ break;
+ case MBOX_CMD_DSP_KFUNC:
+ s = (cmd_l == KFUNC_FBCTL) ? "FBCTL":
+ (cmd_l == KFUNC_POWER) ?
+ ((mb->data == AUDIO_PWR_UP) ? "PWR AUD /UP":
+ (mb->data == AUDIO_PWR_DOWN) ? "PWR AUD /DOWN":
+ (mb->data == AUDIO_PWR_DOWN2) ? "PWR AUD /DOWN(2)":
+ (mb->data == DSP_PWR_UP) ? "PWR DSP /UP":
+ (mb->data == DSP_PWR_DOWN) ? "PWR DSP /DOWN":
+ (mb->data == DVFS_START) ? "PWR DVFS/START":
+ (mb->data == DVFS_STOP) ? "PWR DVFS/STOP":
+ NULL):
+
+ NULL;
+ break;
+ case MBOX_CMD_DSP_DSPCFG:
+ {
+ u8 cfgc = cmd_l & 0x7f;
+ s = (cfgc == DSPCFG_REQ) ? "REQ":
+ (cfgc == DSPCFG_SYSADRH) ? "SYSADRH":
+ (cfgc == DSPCFG_SYSADRL) ? "SYSADRL":
+ (cfgc == DSPCFG_ABORT) ? "ABORT":
+ (cfgc == DSPCFG_PROTREV) ? "PROTREV":
+ NULL;
+ break;
+ }
+ case MBOX_CMD_DSP_REGRW:
+ s = (cmd_l == REGRW_MEMR) ? "MEMR":
+ (cmd_l == REGRW_MEMW) ? "MEMW":
+ (cmd_l == REGRW_IOR) ? "IOR":
+ (cmd_l == REGRW_IOW) ? "IOW":
+ (cmd_l == REGRW_DATA) ? "DATA":
+ NULL;
+ break;
+ case MBOX_CMD_DSP_GETVAR:
+ case MBOX_CMD_DSP_SETVAR:
+ s = (cmd_l == VARID_ICRMASK) ? "ICRMASK":
+ (cmd_l == VARID_LOADINFO) ? "LOADINFO":
+ NULL;
+ break;
+ case MBOX_CMD_DSP_ERR:
+ s = (cmd_l == EID_BADTID) ? "BADTID":
+ (cmd_l == EID_BADTCN) ? "BADTCN":
+ (cmd_l == EID_BADBID) ? "BADBID":
+ (cmd_l == EID_BADCNT) ? "BADCNT":
+ (cmd_l == EID_NOTLOCKED) ? "NOTLOCKED":
+ (cmd_l == EID_STVBUF) ? "STVBUF":
+ (cmd_l == EID_BADADR) ? "BADADR":
+ (cmd_l == EID_BADTCTL) ? "BADTCTL":
+ (cmd_l == EID_BADPARAM) ? "BADPARAM":
+ (cmd_l == EID_FATAL) ? "FATAL":
+ (cmd_l == EID_WDT) ? "WDT":
+ (cmd_l == EID_NOMEM) ? "NOMEM":
+ (cmd_l == EID_NORES) ? "NORES":
+ (cmd_l == EID_IPBFULL) ? "IPBFULL":
+ (cmd_l == EID_TASKNOTRDY) ? "TASKNOTRDY":
+ (cmd_l == EID_TASKBSY) ? "TASKBSY":
+ (cmd_l == EID_TASKERR) ? "TASKERR":
+ (cmd_l == EID_BADCFGTYP) ? "BADCFGTYP":
+ (cmd_l == EID_DEBUG) ? "DEBUG":
+ (cmd_l == EID_BADSEQ) ? "BADSEQ":
+ (cmd_l == EID_BADCMD) ? "BADCMD":
+ NULL;
+ break;
+ default:
+ s = NULL;
+ }
+
+ return s;
+}
+
+/* output of show() method should fit to PAGE_SIZE */
+#define MBLOG_DEPTH 64
+
+struct mblogent {
+ unsigned long jiffies;
+ mbox_msg_t msg;
+ arm_dsp_dir_t dir;
+};
+
+static struct {
+ spinlock_t lock;
+ int wp;
+ unsigned long cnt, cnt_ad, cnt_da;
+ struct mblogent ent[MBLOG_DEPTH];
+} mblog = {
+ .lock = SPIN_LOCK_UNLOCKED,
+};
+
+#ifdef CONFIG_OMAP_DSP_MBCMD_VERBOSE
+static inline void mblog_print_cmd(struct mbcmd *mb, arm_dsp_dir_t dir)
+{
+ const struct cmdinfo *ci = cmdinfo[mb->cmd_h];
+ char *dir_str;
+ char *subname;
+
+ dir_str = (dir == DIR_A2D) ? "sending " : "receiving";
+ switch (ci->cmd_l_type) {
+ case CMD_L_TYPE_SUBCMD:
+ subname = subcmd_name(mb);
+ if (unlikely(!subname))
+ subname = "Unknown";
+ pr_debug("mbox: %s seq=%d, cmd=%02x:%02x(%s:%s), data=%04x\n",
+ dir_str, mb->seq, mb->cmd_h, mb->cmd_l,
+ ci->name, subname, mb->data);
+ break;
+ case CMD_L_TYPE_TID:
+ pr_debug("mbox: %s seq=%d, cmd=%02x:%02x(%s:task %d), data=%04x\n",
+ dir_str, mb->seq, mb->cmd_h, mb->cmd_l,
+ ci->name, mb->cmd_l, mb->data);
+ break;
+ case CMD_L_TYPE_NULL:
+ pr_debug("mbox: %s seq=%d, cmd=%02x:%02x(%s), data=%04x\n",
+ dir_str, mb->seq, mb->cmd_h, mb->cmd_l,
+ ci->name, mb->data);
+ break;
+ }
+}
+#else
+static inline void mblog_print_cmd(struct mbcmd *mb, arm_dsp_dir_t dir) { }
+#endif
+
+void mblog_add(struct mbcmd *mb, arm_dsp_dir_t dir)
+{
+ struct mblogent *ent;
+
+ spin_lock(&mblog.lock);
+ ent = &mblog.ent[mblog.wp];
+ ent->jiffies = jiffies;
+ ent->msg = *(mbox_msg_t *)mb;
+ ent->dir = dir;
+ if (mblog.cnt < 0xffffffff)
+ mblog.cnt++;
+ switch (dir) {
+ case DIR_A2D:
+ if (mblog.cnt_ad < 0xffffffff)
+ mblog.cnt_ad++;
+ break;
+ case DIR_D2A:
+ if (mblog.cnt_da < 0xffffffff)
+ mblog.cnt_da++;
+ break;
+ }
+ if (++mblog.wp == MBLOG_DEPTH)
+ mblog.wp = 0;
+ spin_unlock(&mblog.lock);
+
+ mblog_print_cmd(mb, dir);
+}
+
+/*
+ * sysfs file
+ */
+static ssize_t mblog_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int len = 0;
+ int wp;
+ int i;
+
+ spin_lock(&mblog.lock);
+
+ wp = mblog.wp;
+ len += sprintf(buf + len,
+ "log count:%ld / ARM->DSP:%ld, DSP->ARM:%ld\n",
+ mblog.cnt, mblog.cnt_ad, mblog.cnt_da);
+ if (mblog.cnt == 0)
+ goto done;
+
+ len += sprintf(buf + len, " ARM->DSP ARM<-DSP\n");
+ len += sprintf(buf + len, " jiffies cmd data cmd data\n");
+ i = (mblog.cnt >= MBLOG_DEPTH) ? wp : 0;
+ do {
+ struct mblogent *ent = &mblog.ent[i];
+ struct mbcmd *mb = (struct mbcmd *)&ent->msg;
+ char *subname;
+ struct cmdinfo ci_null = {
+ .name = "Unknown",
+ .cmd_l_type = CMD_L_TYPE_NULL,
+ };
+ const struct cmdinfo *ci;
+
+ len += sprintf(buf + len,
+ (ent->dir == DIR_A2D) ?
+ "%08lx %04x %04x ":
+ "%08lx %04x %04x ",
+ ent->jiffies,
+ (ent->msg >> 16) & 0x7fff, ent->msg & 0xffff);
+
+ if ((ci = cmdinfo[mb->cmd_h]) == NULL)
+ ci = &ci_null;
+
+ switch (ci->cmd_l_type) {
+ case CMD_L_TYPE_SUBCMD:
+ if ((subname = subcmd_name(mb)) == NULL)
+ subname = "Unknown";
+ len += sprintf(buf + len, "%s:%s\n",
+ ci->name, subname);
+ break;
+ case CMD_L_TYPE_TID:
+ len += sprintf(buf + len, "%s:task %d\n",
+ ci->name, mb->cmd_l);
+ break;
+ case CMD_L_TYPE_NULL:
+ len += sprintf(buf + len, "%s\n", ci->name);
+ break;
+ }
+
+ if (++i == MBLOG_DEPTH)
+ i = 0;
+ } while (i != wp);
+
+done:
+ spin_unlock(&mblog.lock);
+
+ return len;
+}
+
+static struct device_attribute dev_attr_mblog = __ATTR_RO(mblog);
+
+void __init mblog_init(void)
+{
+ int ret;
+
+ ret = device_create_file(omap_dsp->dev, &dev_attr_mblog);
+ if (ret)
+ printk(KERN_ERR "device_create_file failed: %d\n", ret);
+}
+
+void mblog_exit(void)
+{
+ device_remove_file(omap_dsp->dev, &dev_attr_mblog);
+}
projects / h-e-n / blobdiff