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Commit 8d9930c5 authored by Andrey Filippov's avatar Andrey Filippov
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more exported functions

parent bb7ce467
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Showing with 38 additions and 20 deletions
drivers/misc/ltc3589.c
View file @ 8d9930c5
......@@ -17,7 +17,7 @@
*! You should have received a copy of the GNU General Public License
*! along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#undef DEBUG /* should be before linux/module.h - enables dev_dbg at boot in this file */
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
......@@ -175,17 +175,32 @@ static void ltc3589_init_of(struct i2c_client *client);
static int ltc3589_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id);
static int ltc3589_i2c_remove(struct i2c_client *client);
int read_field_ltc3589 (struct i2c_client *client, u32 awe)
int ltc3589_read_field (struct i2c_client *client, u32 awe)
{
return read_field (client, awe);
}
EXPORT_SYMBOL_GPL(read_field_ltc3589);
EXPORT_SYMBOL_GPL(ltc3589_read_field);
int write_field_ltc3589 (struct i2c_client *client, u8 data, u32 awe)
int ltc3589_write_field (struct i2c_client *client, u8 data, u32 awe)
{
return write_field (client, data, awe);
}
EXPORT_SYMBOL_GPL(write_field_ltc3589);
EXPORT_SYMBOL_GPL(ltc3589_write_field);
int ltc3589_write_adwe(struct i2c_client *client, u32 adwe)
{
return write_adwe(client, adwe);
}
EXPORT_SYMBOL_GPL(ltc3589_write_adwe);
void ltc3589_set_simulate(struct i2c_client *client, int simulate)
{
struct ltc3589_data_t *clientdata=i2c_get_clientdata(client);
clientdata->simulate=simulate;
}
EXPORT_SYMBOL_GPL(ltc3589_set_simulate);
/* raw access to i2c registers, need to set address (9 bits) first, then r/w data */
......@@ -915,6 +930,7 @@ static void ltc3589_init_of(struct i2c_client *client)
};
struct ltc3589_setup_data setup_data;
__be32 * setup_data_be32= (__be32 *) &setup_data;
/* add stuff */
#if 0
if (node) {
init_type_string = of_get_property(client->dev.of_node, "ltc3589,init", &len);
......@@ -934,7 +950,7 @@ static void ltc3589_init_of(struct i2c_client *client)
return;
} else if (i>0){
init_type=0;
dev_info(&client->dev,"Skipping conditional initialization (some driver variables will not be initialized)\n");
dev_dbg(&client->dev,"Skipping conditional initialization (some driver variables will not be initialized)\n");
return;
}
init_type=1;
......@@ -948,7 +964,7 @@ static void ltc3589_init_of(struct i2c_client *client)
if (config_data){
len /= sizeof(*config_data);
dev_dbg(&client->dev,"Read %d values\n",len);
dev_info(&client->dev,"Found %d items in 'ltc3589,configuration_data' in the Device Tree\n",len);
dev_dbg(&client->dev,"Found %d items in 'ltc3589,configuration_data' in the Device Tree\n",len);
for (i=0;i<len;i++){
*setup_data_be32=config_data[i];
page_reg=setup_data.reg+(setup_data.page<<8);
......@@ -963,7 +979,7 @@ static void ltc3589_init_of(struct i2c_client *client)
sprintf(buf,"ltc3589,%s",in_freq_names[n]);
config_data = of_get_property(client->dev.of_node, buf, &len);
if (config_data && (len>0)){
dev_info(&client->dev,"Found '%s', value = %d (0x%x)\n",buf,(int)(be32_to_cpup(config_data)),(int)(be32_to_cpup(config_data)));
dev_dbg(&client->dev,"Found '%s', value = %d (0x%x)\n",buf,(int)(be32_to_cpup(config_data)),(int)(be32_to_cpup(config_data)));
if (set_in_frequency(client, be32_to_cpup(config_data),n)<0) return; /* 32 bits are sufficient here */
}
}
......@@ -981,7 +997,7 @@ static void ltc3589_init_of(struct i2c_client *client)
freq[1]=be32_to_cpup(&config_data[1]);
freq[2]=be32_to_cpup(&config_data[2]);
}
dev_info(&client->dev,"Found '%s', value = %lld+(%lld/%lld)\n",buf,freq[0],freq[1],freq[2]);
dev_dbg(&client->dev,"Found '%s', value = %lld+(%lld/%lld)\n",buf,freq[0],freq[1],freq[2]);
if (n & 2){ /* by output */
if (set_pll_freq_by_out(client, freq, n & 1)<0) return;
} else { /* directly set PLL frequency */
......@@ -1005,7 +1021,7 @@ static void ltc3589_init_of(struct i2c_client *client)
freq[1]=be32_to_cpup(&config_data[1]);
freq[2]=be32_to_cpup(&config_data[2]);
}
dev_info(&client->dev,"Found '%s', value = %lld+(%lld/%lld)\n",buf,freq[0],freq[1],freq[2]);
dev_dbg(&client->dev,"Found '%s', value = %lld+(%lld/%lld)\n",buf,freq[0],freq[1],freq[2]);
if (set_out_frequency_and_route(client, freq, n&3, n>>2)<0) return;
}
}
......@@ -1017,7 +1033,7 @@ static void ltc3589_init_of(struct i2c_client *client)
len /= sizeof(*config_data);
for (i=0;i<len;i++){
*setup_data_be32=config_data[i];
dev_info(&client->dev,"Setting '%s', channel %d",buf,setup_data.mask);
dev_dbg(&client->dev,"Setting '%s', channel %d",buf,setup_data.mask);
if (configure_output_driver(&client->dev, drv_configs[n].description, setup_data.mask)<0) return;
}
}
......@@ -1031,7 +1047,7 @@ static void ltc3589_init_of(struct i2c_client *client)
len /= sizeof(*config_data);
for (i=0;i<len;i++){
*setup_data_be32=config_data[i];
dev_info(&client->dev,"Setting '%s', channel %d",buf,setup_data.mask);
dev_dbg(&client->dev,"Setting '%s', channel %d",buf,setup_data.mask);
if (set_drv_disable(client, n, setup_data.mask)<0) return;
}
}
......@@ -1045,7 +1061,7 @@ static void ltc3589_init_of(struct i2c_client *client)
len /= sizeof(*config_data);
for (i=0;i<len;i++){
*setup_data_be32=config_data[i];
dev_info(&client->dev,"Setting '%s', channel %d",buf,setup_data.mask);
dev_dbg(&client->dev,"Setting '%s', channel %d",buf,setup_data.mask);
if (set_drv_powerdown(client, n, setup_data.mask)<0) return;
}
}
......@@ -1059,7 +1075,7 @@ static void ltc3589_init_of(struct i2c_client *client)
len /= sizeof(*config_data);
for (i=0;i<len;i++){
*setup_data_be32=config_data[i];
dev_info(&client->dev,"Setting '%s', channel %d",buf,setup_data.mask);
dev_dbg(&client->dev,"Setting '%s', channel %d",buf,setup_data.mask);
if (set_drv_disable(client, n, setup_data.mask)<0) return;
}
}
......@@ -1075,7 +1091,7 @@ static void ltc3589_init_of(struct i2c_client *client)
if (len>1) amp = be32_to_cpup(&config_data[1]);
if (len>2) rate = be32_to_cpup(&config_data[2]);
if (store_ss_down_parameters(client, rate, amp, n)==0){
dev_info(&client->dev,"Set spread spectrum parameters for MS%d, amplitude=%d (*0.01%%), rate=%d Hz, %s\n",
dev_dbg(&client->dev,"Set spread spectrum parameters for MS%d, amplitude=%d (*0.01%%), rate=%d Hz, %s\n",
n,amp,rate,config_data[0]?"ON":"OFF");
} else {
dev_err(&client->dev,"Failed to set spread spectrum parameters for MS%d, amplitude=%d (*0.01%%), rate=%d Hz, %s\n",
......@@ -1085,9 +1101,9 @@ static void ltc3589_init_of(struct i2c_client *client)
if (config_data[0]){ /* enable SS */
if ((set_ss_down(client, n)==0) && /* calculate and set SS registers */
(set_ss_state(client, 1, n)==0)){ // enable SS. Not using enable_spread_spectrum() as we'll reset MS later anyway
dev_info(&client->dev,"Spread spectrum enabled for MS%d\n",n);
dev_dbg(&client->dev,"Spread spectrum enabled for MS%d\n",n);
} else {
dev_info(&client->dev,"Fail to enable spread spectrum for MS%d\n",n);
dev_dbg(&client->dev,"Fail to enable spread spectrum for MS%d\n",n);
}
}
}
......@@ -1131,7 +1147,6 @@ static int ltc3589_i2c_probe(struct i2c_client *client, const struct i2c_device_
return 0;
}
static int ltc3589_i2c_remove(struct i2c_client *client)
{
return 0;
......
include/linux/i2c/ltc3589.h
View file @ 8d9930c5
......@@ -24,8 +24,11 @@
#include <linux/types.h>
#include <linux/device.h>
#include <linux/i2c.h>
int read_field_ltc3589 (struct i2c_client *client, u32 awe);
int write_field_ltc3589 (struct i2c_client *client, u8 data, u32 awe);
int ltc3589_read_field(struct i2c_client *client, u32 awe);
int ltc3589_write_field(struct i2c_client *client, u8 data, u32 awe);
int ltc3589_write_adwe(struct i2c_client *client, u32 adwe);
void ltc3589_set_simulate(struct i2c_client *client, int simulate);
#define LTC3589_AWE_SCR1 0x07ff
#define LTC3589_AWE_SCR1_MODE_SD1 0x0703
#define LTC3589_AWE_SCR1_MODE_SD2 0x070c
......
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