2 * Support for atomisp driver sysfs interface
4 * Copyright (c) 2014 Intel Corporation. All Rights Reserved.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License version
8 * 2 as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 #include <linux/err.h>
23 #include <linux/kernel.h>
24 #include <linux/pci.h>
26 #include "atomisp_compat.h"
27 #include "atomisp_internal.h"
28 #include "atomisp_ioctl.h"
33 * dbglvl: iunit css driver trace level
34 * dbgopt: iunit debug option:
36 * bit 1: running binary
37 * bit 2: memory statistic
40 struct pci_driver *drv;
41 struct atomisp_device *isp;
47 #define OPTION_BIN_LIST (1<<0)
48 #define OPTION_BIN_RUN (1<<1)
49 #define OPTION_MEM_STAT (1<<2)
50 #define OPTION_VALID (OPTION_BIN_LIST \
54 static struct _iunit_debug iunit_debug = {
56 .dbgopt = OPTION_BIN_LIST,
59 static inline int iunit_dump_dbgopt(struct atomisp_device *isp,
64 if (opt & OPTION_VALID) {
65 if (opt & OPTION_BIN_LIST) {
66 ret = atomisp_css_dump_blob_infor();
68 dev_err(atomisp_dev, "%s dump blob infor err[ret:%d]\n",
74 if (opt & OPTION_BIN_RUN) {
75 if (atomisp_streaming_count(isp)) {
76 atomisp_css_dump_sp_raw_copy_linecount(true);
77 atomisp_css_debug_dump_isp_binary();
80 dev_err(atomisp_dev, "%s dump running bin err[ret:%d]\n",
86 if (opt & OPTION_MEM_STAT)
87 hmm_show_mem_stat(__func__, __LINE__);
90 dev_err(atomisp_dev, "%s dump nothing[ret=%d]\n", __func__,
98 static ssize_t iunit_dbglvl_show(struct device_driver *drv, char *buf)
100 iunit_debug.dbglvl = atomisp_css_debug_get_dtrace_level();
101 return sprintf(buf, "dtrace level:%u\n", iunit_debug.dbglvl);
104 static ssize_t iunit_dbglvl_store(struct device_driver *drv, const char *buf,
107 if (kstrtouint(buf, 10, &iunit_debug.dbglvl)
108 || iunit_debug.dbglvl < 1
109 || iunit_debug.dbglvl > 9) {
112 atomisp_css_debug_set_dtrace_level(iunit_debug.dbglvl);
117 static ssize_t iunit_dbgfun_show(struct device_driver *drv, char *buf)
119 iunit_debug.dbgfun = atomisp_get_css_dbgfunc();
120 return sprintf(buf, "dbgfun opt:%u\n", iunit_debug.dbgfun);
123 static ssize_t iunit_dbgfun_store(struct device_driver *drv, const char *buf,
129 ret = kstrtouint(buf, 10, &opt);
133 ret = atomisp_set_css_dbgfunc(iunit_debug.isp, opt);
137 iunit_debug.dbgfun = opt;
142 static ssize_t iunit_dbgopt_show(struct device_driver *drv, char *buf)
144 return sprintf(buf, "option:0x%x\n", iunit_debug.dbgopt);
147 static ssize_t iunit_dbgopt_store(struct device_driver *drv, const char *buf,
153 ret = kstrtouint(buf, 10, &opt);
157 iunit_debug.dbgopt = opt;
158 ret = iunit_dump_dbgopt(iunit_debug.isp, iunit_debug.dbgopt);
165 static struct driver_attribute iunit_drvfs_attrs[] = {
166 __ATTR(dbglvl, 0644, iunit_dbglvl_show, iunit_dbglvl_store),
167 __ATTR(dbgfun, 0644, iunit_dbgfun_show, iunit_dbgfun_store),
168 __ATTR(dbgopt, 0644, iunit_dbgopt_show, iunit_dbgopt_store),
171 static int iunit_drvfs_create_files(struct pci_driver *drv)
175 for (i = 0; i < ARRAY_SIZE(iunit_drvfs_attrs); i++)
176 ret |= driver_create_file(&(drv->driver),
177 &iunit_drvfs_attrs[i]);
182 static void iunit_drvfs_remove_files(struct pci_driver *drv)
186 for (i = 0; i < ARRAY_SIZE(iunit_drvfs_attrs); i++)
187 driver_remove_file(&(drv->driver), &iunit_drvfs_attrs[i]);
190 int atomisp_drvfs_init(struct pci_driver *drv, struct atomisp_device *isp)
194 iunit_debug.isp = isp;
195 iunit_debug.drv = drv;
197 ret = iunit_drvfs_create_files(iunit_debug.drv);
199 dev_err(atomisp_dev, "drvfs_create_files error: %d\n", ret);
200 iunit_drvfs_remove_files(drv);
206 void atomisp_drvfs_exit(void)
208 iunit_drvfs_remove_files(iunit_debug.drv);