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-rw-r--r--drivers/hwmon/w83l786ng.c209
1 files changed, 100 insertions, 109 deletions
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index 32487c19cbfc..6caf33a5508b 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -148,32 +148,6 @@ struct w83l786ng_data {
148 u8 tolerance[2]; 148 u8 tolerance[2];
149}; 149};
150 150
151static int w83l786ng_probe(struct i2c_client *client,
152 const struct i2c_device_id *id);
153static int w83l786ng_detect(struct i2c_client *client,
154 struct i2c_board_info *info);
155static int w83l786ng_remove(struct i2c_client *client);
156static void w83l786ng_init_client(struct i2c_client *client);
157static struct w83l786ng_data *w83l786ng_update_device(struct device *dev);
158
159static const struct i2c_device_id w83l786ng_id[] = {
160 { "w83l786ng", 0 },
161 { }
162};
163MODULE_DEVICE_TABLE(i2c, w83l786ng_id);
164
165static struct i2c_driver w83l786ng_driver = {
166 .class = I2C_CLASS_HWMON,
167 .driver = {
168 .name = "w83l786ng",
169 },
170 .probe = w83l786ng_probe,
171 .remove = w83l786ng_remove,
172 .id_table = w83l786ng_id,
173 .detect = w83l786ng_detect,
174 .address_list = normal_i2c,
175};
176
177static u8 151static u8
178w83l786ng_read_value(struct i2c_client *client, u8 reg) 152w83l786ng_read_value(struct i2c_client *client, u8 reg)
179{ 153{
@@ -186,6 +160,77 @@ w83l786ng_write_value(struct i2c_client *client, u8 reg, u8 value)
186 return i2c_smbus_write_byte_data(client, reg, value); 160 return i2c_smbus_write_byte_data(client, reg, value);
187} 161}
188 162
163static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
164{
165 struct i2c_client *client = to_i2c_client(dev);
166 struct w83l786ng_data *data = i2c_get_clientdata(client);
167 int i, j;
168 u8 reg_tmp, pwmcfg;
169
170 mutex_lock(&data->update_lock);
171 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
172 || !data->valid) {
173 dev_dbg(&client->dev, "Updating w83l786ng data.\n");
174
175 /* Update the voltages measured value and limits */
176 for (i = 0; i < 3; i++) {
177 data->in[i] = w83l786ng_read_value(client,
178 W83L786NG_REG_IN(i));
179 data->in_min[i] = w83l786ng_read_value(client,
180 W83L786NG_REG_IN_MIN(i));
181 data->in_max[i] = w83l786ng_read_value(client,
182 W83L786NG_REG_IN_MAX(i));
183 }
184
185 /* Update the fan counts and limits */
186 for (i = 0; i < 2; i++) {
187 data->fan[i] = w83l786ng_read_value(client,
188 W83L786NG_REG_FAN(i));
189 data->fan_min[i] = w83l786ng_read_value(client,
190 W83L786NG_REG_FAN_MIN(i));
191 }
192
193 /* Update the fan divisor */
194 reg_tmp = w83l786ng_read_value(client, W83L786NG_REG_FAN_DIV);
195 data->fan_div[0] = reg_tmp & 0x07;
196 data->fan_div[1] = (reg_tmp >> 4) & 0x07;
197
198 pwmcfg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG);
199 for (i = 0; i < 2; i++) {
200 data->pwm_mode[i] =
201 ((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1)
202 ? 0 : 1;
203 data->pwm_enable[i] =
204 ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1;
205 data->pwm[i] =
206 (w83l786ng_read_value(client, W83L786NG_REG_PWM[i])
207 & 0x0f) * 0x11;
208 }
209
210
211 /* Update the temperature sensors */
212 for (i = 0; i < 2; i++) {
213 for (j = 0; j < 3; j++) {
214 data->temp[i][j] = w83l786ng_read_value(client,
215 W83L786NG_REG_TEMP[i][j]);
216 }
217 }
218
219 /* Update Smart Fan I/II tolerance */
220 reg_tmp = w83l786ng_read_value(client, W83L786NG_REG_TOLERANCE);
221 data->tolerance[0] = reg_tmp & 0x0f;
222 data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
223
224 data->last_updated = jiffies;
225 data->valid = 1;
226
227 }
228
229 mutex_unlock(&data->update_lock);
230
231 return data;
232}
233
189/* following are the sysfs callback functions */ 234/* following are the sysfs callback functions */
190#define show_in_reg(reg) \ 235#define show_in_reg(reg) \
191static ssize_t \ 236static ssize_t \
@@ -662,6 +707,19 @@ w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info)
662 return 0; 707 return 0;
663} 708}
664 709
710static void w83l786ng_init_client(struct i2c_client *client)
711{
712 u8 tmp;
713
714 if (reset)
715 w83l786ng_write_value(client, W83L786NG_REG_CONFIG, 0x80);
716
717 /* Start monitoring */
718 tmp = w83l786ng_read_value(client, W83L786NG_REG_CONFIG);
719 if (!(tmp & 0x01))
720 w83l786ng_write_value(client, W83L786NG_REG_CONFIG, tmp | 0x01);
721}
722
665static int 723static int
666w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id) 724w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id)
667{ 725{
@@ -723,90 +781,23 @@ w83l786ng_remove(struct i2c_client *client)
723 return 0; 781 return 0;
724} 782}
725 783
726static void 784static const struct i2c_device_id w83l786ng_id[] = {
727w83l786ng_init_client(struct i2c_client *client) 785 { "w83l786ng", 0 },
728{ 786 { }
729 u8 tmp; 787};
730 788MODULE_DEVICE_TABLE(i2c, w83l786ng_id);
731 if (reset)
732 w83l786ng_write_value(client, W83L786NG_REG_CONFIG, 0x80);
733
734 /* Start monitoring */
735 tmp = w83l786ng_read_value(client, W83L786NG_REG_CONFIG);
736 if (!(tmp & 0x01))
737 w83l786ng_write_value(client, W83L786NG_REG_CONFIG, tmp | 0x01);
738}
739
740static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
741{
742 struct i2c_client *client = to_i2c_client(dev);
743 struct w83l786ng_data *data = i2c_get_clientdata(client);
744 int i, j;
745 u8 reg_tmp, pwmcfg;
746
747 mutex_lock(&data->update_lock);
748 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
749 || !data->valid) {
750 dev_dbg(&client->dev, "Updating w83l786ng data.\n");
751
752 /* Update the voltages measured value and limits */
753 for (i = 0; i < 3; i++) {
754 data->in[i] = w83l786ng_read_value(client,
755 W83L786NG_REG_IN(i));
756 data->in_min[i] = w83l786ng_read_value(client,
757 W83L786NG_REG_IN_MIN(i));
758 data->in_max[i] = w83l786ng_read_value(client,
759 W83L786NG_REG_IN_MAX(i));
760 }
761
762 /* Update the fan counts and limits */
763 for (i = 0; i < 2; i++) {
764 data->fan[i] = w83l786ng_read_value(client,
765 W83L786NG_REG_FAN(i));
766 data->fan_min[i] = w83l786ng_read_value(client,
767 W83L786NG_REG_FAN_MIN(i));
768 }
769
770 /* Update the fan divisor */
771 reg_tmp = w83l786ng_read_value(client, W83L786NG_REG_FAN_DIV);
772 data->fan_div[0] = reg_tmp & 0x07;
773 data->fan_div[1] = (reg_tmp >> 4) & 0x07;
774
775 pwmcfg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG);
776 for (i = 0; i < 2; i++) {
777 data->pwm_mode[i] =
778 ((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1)
779 ? 0 : 1;
780 data->pwm_enable[i] =
781 ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1;
782 data->pwm[i] =
783 (w83l786ng_read_value(client, W83L786NG_REG_PWM[i])
784 & 0x0f) * 0x11;
785 }
786
787
788 /* Update the temperature sensors */
789 for (i = 0; i < 2; i++) {
790 for (j = 0; j < 3; j++) {
791 data->temp[i][j] = w83l786ng_read_value(client,
792 W83L786NG_REG_TEMP[i][j]);
793 }
794 }
795
796 /* Update Smart Fan I/II tolerance */
797 reg_tmp = w83l786ng_read_value(client, W83L786NG_REG_TOLERANCE);
798 data->tolerance[0] = reg_tmp & 0x0f;
799 data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
800
801 data->last_updated = jiffies;
802 data->valid = 1;
803
804 }
805
806 mutex_unlock(&data->update_lock);
807 789
808 return data; 790static struct i2c_driver w83l786ng_driver = {
809} 791 .class = I2C_CLASS_HWMON,
792 .driver = {
793 .name = "w83l786ng",
794 },
795 .probe = w83l786ng_probe,
796 .remove = w83l786ng_remove,
797 .id_table = w83l786ng_id,
798 .detect = w83l786ng_detect,
799 .address_list = normal_i2c,
800};
810 801
811module_i2c_driver(w83l786ng_driver); 802module_i2c_driver(w83l786ng_driver);
812 803