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linux-elphel
Commit f5c418bf authored by Andrey Filippov's avatar Andrey Filippov
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debugging

parent 24abbd9b
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Showing with 39 additions and 17 deletions
drivers/misc/ltc3589.c
View file @ f5c418bf
...@@ -35,7 +35,8 @@ ...@@ -35,7 +35,8 @@
#define CACHE_INIT 1 #define CACHE_INIT 1
#define CACHE_VOLAT 2 #define CACHE_VOLAT 2
#define LAST_REG 255
#define LAST_REG 0x33
#define AWE_SCR1 0x07ff #define AWE_SCR1 0x07ff
...@@ -140,9 +141,6 @@ ...@@ -140,9 +141,6 @@
#define AWE_PGSTAT_LDO3 0x1340 #define AWE_PGSTAT_LDO3 0x1340
#define AWE_PGSTAT_LDO4 0x1380 #define AWE_PGSTAT_LDO4 0x1380
#define LAST_REG 255
struct ltc3589_cache_t { struct ltc3589_cache_t {
u8 flags; u8 flags;
u8 data; u8 data;
...@@ -638,9 +636,9 @@ static ssize_t mode_show (struct device *dev, struct device_attribute *attr, cha ...@@ -638,9 +636,9 @@ static ssize_t mode_show (struct device *dev, struct device_attribute *attr, cha
char * cp=buf; char * cp=buf;
struct i2c_client *client = to_i2c_client(dev); struct i2c_client *client = to_i2c_client(dev);
if (((rc=read_field(client,AWE_SCR1)))<0) return rc; if (((rc=read_field(client,AWE_SCR1)))<0) return rc;
for (m=0;m<ARRAY_SIZE(modes);m++) if (strcmp(attr->attr.name,modes[m])) break; for (m=0;m<ARRAY_SIZE(modes);m++) if (strcmp(attr->attr.name,modes[m])==0) break;
if (m>=ARRAY_SIZE(modes)) return -EINVAL; if (m>=ARRAY_SIZE(modes)) return -EINVAL;
for (i=0;i<4;i+=2) if (((rc>>i) & 3) == m) { for (i=0;i<4;i++) if (((rc>>(2*i)) & 3) == m) {
if (buf!=cp) buf+=sprintf(buf," "); if (buf!=cp) buf+=sprintf(buf," ");
buf+=sprintf(buf,"%s",chn_names[i]); buf+=sprintf(buf,"%s",chn_names[i]);
} }
...@@ -654,7 +652,7 @@ static ssize_t mode_store(struct device *dev, struct device_attribute *attr, con ...@@ -654,7 +652,7 @@ static ssize_t mode_store(struct device *dev, struct device_attribute *attr, con
int rc,mask,m,data; int rc,mask,m,data;
u32 awe; u32 awe;
struct i2c_client *client = to_i2c_client(dev); struct i2c_client *client = to_i2c_client(dev);
for (m=0;m<ARRAY_SIZE(modes);m++) if (strcmp(attr->attr.name,modes[m])) break; for (m=0;m<ARRAY_SIZE(modes);m++) if (strcmp(attr->attr.name,modes[m])==0) break;
if (m>=ARRAY_SIZE(modes)) return -EINVAL; if (m>=ARRAY_SIZE(modes)) return -EINVAL;
mask=read_channel_mask(buf); mask=read_channel_mask(buf);
mask=((mask & 1)? 3:0) | ((mask & 2)? 0xc:0) | ((mask & 4)? 0x30:0) | ((mask & 8)? 0x40:0); mask=((mask & 1)? 3:0) | ((mask & 2)? 0xc:0) | ((mask & 4)? 0x30:0) | ((mask & 8)? 0x40:0);
...@@ -670,7 +668,7 @@ static ssize_t reference_select_show (struct device *dev, struct device_attribut ...@@ -670,7 +668,7 @@ static ssize_t reference_select_show (struct device *dev, struct device_attribut
char * cp=buf; char * cp=buf;
struct i2c_client *client = to_i2c_client(dev); struct i2c_client *client = to_i2c_client(dev);
if (((rc=read_field(client,AWE_VCCR)))<0) return rc; if (((rc=read_field(client,AWE_VCCR)))<0) return rc;
for (m=0;m<ARRAY_SIZE(reference_sel);m++) if (strcmp(attr->attr.name,reference_sel[m])) break; for (m=0;m<ARRAY_SIZE(reference_sel);m++) if (strcmp(attr->attr.name,reference_sel[m])==0) break;
if (m>=ARRAY_SIZE(reference_sel)) return -EINVAL; if (m>=ARRAY_SIZE(reference_sel)) return -EINVAL;
for (i=0;i<4;i++) if (((rc>>(2*i+1)) & 1)==m){ for (i=0;i<4;i++) if (((rc>>(2*i+1)) & 1)==m){
chn=i; chn=i;
...@@ -692,7 +690,7 @@ static ssize_t reference_select_store(struct device *dev, struct device_attribut ...@@ -692,7 +690,7 @@ static ssize_t reference_select_store(struct device *dev, struct device_attribut
int rc,mask,m,data; int rc,mask,m,data;
u32 awe; u32 awe;
struct i2c_client *client = to_i2c_client(dev); struct i2c_client *client = to_i2c_client(dev);
for (m=0;m<ARRAY_SIZE(reference_sel);m++) if (strcmp(attr->attr.name,reference_sel[m])) break; for (m=0;m<ARRAY_SIZE(reference_sel);m++) if (strcmp(attr->attr.name,reference_sel[m])==0) break;
if (m>=ARRAY_SIZE(reference_sel)) return -EINVAL; if (m>=ARRAY_SIZE(reference_sel)) return -EINVAL;
mask=read_channel_mask(buf); mask=read_channel_mask(buf);
mask=((mask & 1)? 2:0) | ((mask & 2)? 0x8:0) | ((mask & 4)? 0x20:0) | ((mask & 0x20)? 0x80:0); mask=((mask & 1)? 2:0) | ((mask & 2)? 0x8:0) | ((mask & 4)? 0x20:0) | ((mask & 0x20)? 0x80:0);
...@@ -741,11 +739,23 @@ static ssize_t field_store(struct device *dev, struct device_attribute *attr, co ...@@ -741,11 +739,23 @@ static ssize_t field_store(struct device *dev, struct device_attribute *attr, co
{ {
int rc,i; int rc,i;
int data; int data;
u32 awe;
struct i2c_client *client = to_i2c_client(dev); struct i2c_client *client = to_i2c_client(dev);
for (i=0;i<ARRAY_SIZE(named_fields);i++) if (strcmp(attr->attr.name,named_fields[i].name)) break; for (i=0;i<ARRAY_SIZE(named_fields);i++) if (strcmp(attr->attr.name,named_fields[i].name==0)) {
if (i>=ARRAY_SIZE(named_fields)) return -EINVAL; awe=named_fields[i].awe;
dev_dbg(dev,"i=%d, field name=%s awe=0x%04x\n", i, named_fields[i].name, (int) awe);
break;
}
if (i>=ARRAY_SIZE(named_fields)) {
for (i=0;i<ARRAY_SIZE(status_fields);i++) if (strcmp(attr->attr.name,status_fields[i].name)==0) {
awe=status_fields[i].awe;
dev_dbg(dev,"i=%d, status field name=%s awe=0x%04x\n", i, status_fields[i].name, (int) awe);
break;
}
if (i>=ARRAY_SIZE(status_fields)) return -EINVAL;
}
sscanf(buf, "%du", &data); sscanf(buf, "%du", &data);
if (((rc=write_field (client, data, named_fields[i].awe)))<0) return rc; if (((rc=write_field (client, data, awe)))<0) return rc;
return count; return count;
} }
...@@ -753,10 +763,22 @@ static ssize_t get_field_value (struct device *dev, const char* name, char *buf, ...@@ -753,10 +763,22 @@ static ssize_t get_field_value (struct device *dev, const char* name, char *buf,
{ {
int rc,i; int rc,i;
char * cp=buf; char * cp=buf;
u32 awe;
struct i2c_client *client = to_i2c_client(dev); struct i2c_client *client = to_i2c_client(dev);
for (i=0;i<ARRAY_SIZE(named_fields);i++) if (strcmp(name,named_fields[i].name)) break; for (i=0;i<ARRAY_SIZE(named_fields);i++) if (strcmp(name,named_fields[i].name)==0){
if (i>=ARRAY_SIZE(named_fields)) return -EINVAL; awe=named_fields[i].awe;
if (((rc=read_field(client,named_fields[i].awe)))<0) return rc; dev_dbg(dev,"i=%d, field name=%s awe=0x%04x\n", i, named_fields[i].name, (int) awe);
break;
}
if (i>=ARRAY_SIZE(named_fields)) {
for (i=0;i<ARRAY_SIZE(status_fields);i++) if (strcmp(name,status_fields[i].name)==0){
awe=status_fields[i].awe;
dev_dbg(dev,"i=%d, status field name=%s awe=0x%04x\n", i, status_fields[i].name, (int) awe);
break;
}
if (i>=ARRAY_SIZE(status_fields)) return -EINVAL;
}
if (((rc=read_field(client,awe)))<0) return rc;
buf+=sprintf(buf,"%d",rc); buf+=sprintf(buf,"%d",rc);
if (newline) buf+=sprintf(buf,"\n"); if (newline) buf+=sprintf(buf,"\n");
return buf-cp; return buf-cp;
...@@ -971,9 +993,9 @@ static void ltc3589_init_of(struct i2c_client *client) ...@@ -971,9 +993,9 @@ static void ltc3589_init_of(struct i2c_client *client)
int init_type=0; /* 0 - none, 1 - always, 2 - if not running (TODO) */ int init_type=0; /* 0 - none, 1 - always, 2 - if not running (TODO) */
struct device_node *node = client->dev.of_node; struct device_node *node = client->dev.of_node;
int len,i,n; int len,i,n;
u16 page_reg;
char buf[40]; char buf[40];
u64 freq[3];
struct ltc3589_setup_data { struct ltc3589_setup_data {
u8 page; u8 page;
......
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