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Commit c7c76326 authored by Andrey Filippov's avatar Andrey Filippov
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si5338.c: more debugging and cleanup

parent 6552ccf3
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Showing with 480 additions and 191 deletions
recipes-kernel/linux/linux-xlnx/vsc3304.patch
View file @ c7c76326
Index: git/drivers/misc/Kconfig
===================================================================
--- git.orig/drivers/misc/Kconfig 2013-12-08 13:24:02.319343372 -0700
+++ git/drivers/misc/Kconfig 2013-12-08 13:24:46.000000000 -0700
--- git.orig/drivers/misc/Kconfig 2013-12-09 17:36:48.604396849 -0700
+++ git/drivers/misc/Kconfig 2013-12-09 17:36:51.668396881 -0700
@@ -549,6 +549,19 @@
their requirements.
......@@ -24,8 +24,8 @@ Index: git/drivers/misc/Kconfig
source "drivers/misc/eeprom/Kconfig"
Index: git/drivers/misc/Makefile
===================================================================
--- git.orig/drivers/misc/Makefile 2013-12-08 13:24:02.319343372 -0700
+++ git/drivers/misc/Makefile 2013-12-08 13:24:46.000000000 -0700
--- git.orig/drivers/misc/Makefile 2013-12-09 17:36:48.604396849 -0700
+++ git/drivers/misc/Makefile 2013-12-09 17:36:51.668396881 -0700
@@ -55,3 +55,5 @@
obj-$(CONFIG_LATTICE_ECP3_CONFIG) += lattice-ecp3-config.o
obj-$(CONFIG_SRAM) += sram.o
......@@ -35,7 +35,7 @@ Index: git/drivers/misc/Makefile
Index: git/drivers/misc/vsc330x.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ git/drivers/misc/vsc330x.c 2013-12-08 13:24:46.000000000 -0700
+++ git/drivers/misc/vsc330x.c 2013-12-09 17:36:51.668396881 -0700
@@ -0,0 +1,872 @@
+/*!***************************************************************************
+ *! FILE NAME : vsc330x.c
......@@ -912,8 +912,8 @@ Index: git/drivers/misc/vsc330x.c
Index: git/drivers/misc/si5338.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ git/drivers/misc/si5338.c 2013-12-09 00:58:03.587775288 -0700
@@ -0,0 +1,3764 @@
+++ git/drivers/misc/si5338.c 2013-12-09 18:52:10.344443750 -0700
@@ -0,0 +1,4053 @@
+/*!***************************************************************************
+ *! FILE NAME : si5338.c
+ *! DESCRIPTION: control of the Silicon Laboratories SI5338 clock generator
......@@ -944,6 +944,7 @@ Index: git/drivers/misc/si5338.c
+#include <linux/of.h>
+#include <linux/math64.h>
+
+#define GENERATE_EXTRA
+
+#define DRV_VERSION "1.0"
+#define SYSFS_PERMISSIONS 0644 /* default permissions for sysfs files */
......@@ -1266,6 +1267,12 @@ Index: git/drivers/misc/si5338.c
+
+ {NULL, 0x0,0x0,0x0,0x0},
+};
+static const char *out_dis_states[]= {"dis_hi-z","dis_low","dis_high","dis_always_on", NULL};
+static const char *out_en_states[]= {"output_en","output_dis", NULL};
+static const char *out_pwr_states[]= {"output_power_up","output_power_down", NULL};
+
+
+
+static const int volatile_registers[]={AWE_STATUS, AWE_SOFT_RESET, AWE_FCAL_07_00, AWE_FCAL_15_08, AWE_FCAL_17_16, -1};
+static const char *out_names[]={"output0","output1","output2","output3","outputs", NULL};
+static const char *in_freq_names[]={"in_frequency12", "in_frequency3", "in_frequency4", "in_frequency56", "in_frequency12xo", NULL};
......@@ -1278,6 +1285,17 @@ Index: git/drivers/misc/si5338.c
+ {AWE_MS1_SSUPP3_07_00,AWE_MS1_SSUPP3_14_08,0},
+ {AWE_MS2_SSUPP3_07_00,AWE_MS2_SSUPP3_14_08,0},
+ {AWE_MS3_SSUPP3_07_00,AWE_MS3_SSUPP3_14_08,0}};
+static const u32 awe_rdiv_in[]= {AWE_R0DIV_IN, AWE_R1DIV_IN, AWE_R2DIV_IN, AWE_R3DIV_IN};
+static const u32 awe_rdiv_k[]= {AWE_R0DIV, AWE_R1DIV, AWE_R2DIV, AWE_R3DIV};
+static const u32 awe_drv_fmt[]= {AWE_DRV0_FMT, AWE_DRV1_FMT, AWE_DRV2_FMT, AWE_DRV3_FMT};
+static const u32 awe_drv_vddo[]= {AWE_DRV0_VDDO, AWE_DRV1_VDDO, AWE_DRV2_VDDO, AWE_DRV3_VDDO};
+static const u32 awe_drv_trim[][4]= {{AWE_DRV0_TRIM,0,0}, {AWE_DRV1_TRIM_A,AWE_DRV1_TRIM_B,0},{AWE_DRV2_TRIM,0,0},{AWE_DRV3_TRIM,0,0}};
+static const u32 awe_drv_powerdown[]={AWE_DRV0_PDN, AWE_DRV1_PDN, AWE_DRV2_PDN, AWE_DRV3_PDN};
+static const u32 awe_drv_disable[]= {AWE_OUT0_DIS, AWE_OUT1_DIS, AWE_OUT2_DIS, AWE_OUT3_DIS, AWE_OUT_ALL_DIS};
+static const u32 awe_drv_dis_state[]={AWE_OUT0_DIS_STATE, AWE_OUT1_DIS_STATE, AWE_OUT2_DIS_STATE, AWE_OUT3_DIS_STATE};
+static const u32 awe_drv_invert[]= {AWE_DRV0_INV, AWE_DRV1_INV, AWE_DRV2_INV, AWE_DRV3_INV};
+static const u32 awe_drv_inv[]= {AWE_DRV0_INV, AWE_DRV1_INV, AWE_DRV2_INV, AWE_DRV3_INV};
+static const u8 out_div_values[]={1,2,4,8,16,32};
+
+static void si5338_init_of(struct i2c_client *client);
+
......@@ -1325,6 +1343,7 @@ Index: git/drivers/misc/si5338.c
+static ssize_t in_pfd_fb_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t in_pfd_fb_txt_show (struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t pll_ref_frequency_show (struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t pll_fb_frequency_show (struct device *dev, struct device_attribute *attr, char *buf);
+
+static ssize_t ms_p123_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
......@@ -1351,6 +1370,17 @@ Index: git/drivers/misc/si5338.c
+static ssize_t out_freq_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t out_freq_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+
+static ssize_t out_pwr_states_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static int set_out_pwr_states(struct device *dev, const char * name, int chn);
+static int get_powerup_state(struct device *dev, char * buf, int chn);
+static ssize_t out_en_states_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static int set_out_en_states(struct device *dev, const char * name, int chn);
+static int get_enabled_state(struct device *dev, char * buf, int chn);
+static ssize_t out_dis_states_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static int set_out_dis_states(struct device *dev, const char * name, int chn);
+static int get_disabled_state(struct device *dev, char * buf, int chn);
+
+#ifdef GENERATE_EXTRA
+static ssize_t drv_powerdown_show (struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t drv_powerdown_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t drv_disable_show (struct device *dev, struct device_attribute *attr, char *buf);
......@@ -1370,12 +1400,11 @@ Index: git/drivers/misc/si5338.c
+static ssize_t drv_auto_trim_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t drv_trim_any_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t drv_txt_show (struct device *dev, struct device_attribute *attr, char *buf);
+static int update_drv_trim(struct i2c_client *client, int novtt, int chn); /* no Vtt - CMOS, no termination, where it matters */
+static char * get_drv_txt(struct i2c_client *client, int chn);
+#endif
+
+
+static int make_config_out (struct device *dev,
+ ssize_t (*show_output)(struct device *dev, struct device_attribute *attr, char *buf),
+ ssize_t (*store_config)(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count));
+static int make_config_out (struct device *dev);
+static ssize_t output_description_show (struct device *dev, struct device_attribute *attr, char *buf);
+
+static ssize_t output_route_show(struct device *dev, struct device_attribute *attr, char *buf);
......@@ -1386,9 +1415,11 @@ Index: git/drivers/misc/si5338.c
+static int configure_output_driver(struct device *dev, const char * name, int chn);
+
+
+
+/* -------------------------------------- */
+static int remove_common_factor(u64 * num_denom);
+static int _verify_output_channel(struct i2c_client *client,int chn);
+static int disable_spread_spectrum(struct i2c_client *client,int chn);
+static int get_drv_powerdown(struct i2c_client *client, int chn);
+static int set_drv_powerdown(struct i2c_client *client, int typ, int chn);
+static int get_drv_disable(struct i2c_client *client, int chn);
......@@ -1402,8 +1433,6 @@ Index: git/drivers/misc/si5338.c
+static int get_drv_vdd(struct i2c_client *client, int chn);
+static int set_drv_vdd(struct i2c_client *client, int vdd, int chn);
+static int get_drv_trim(struct i2c_client *client, int chn);
+static int update_drv_trim(struct i2c_client *client, int novtt, int chn); /* no Vtt - CMOS, no termination, where it matters */
+static char * get_drv_txt(struct i2c_client *client, int chn);
+static int set_drv_trim_any(struct i2c_client *client, int trim, int chn);
+static int set_out_div(struct i2c_client *client, int div, int chn); /*chn =0..3 */
+static int get_out_div(struct i2c_client *client, int chn); /*chn =0..3 */
......@@ -1417,9 +1446,16 @@ Index: git/drivers/misc/si5338.c
+static int set_out_frequency_and_route (struct i2c_client *client, u64 *out_freq, int chn, int int_div);
+static s64 get_output_src_frequency(struct i2c_client *client, u64 *out_freq, int chn);
+
+static int pre_init(struct i2c_client *client);
+static int pre_init(struct i2c_client *client, int clear_all);
+
+static int post_init(struct i2c_client *client, int timeout); /*1 in timeout ~ 0.1ms - i2c read register */
+static int get_status(struct i2c_client *client);
+static int power_up_down_needed_ms(struct i2c_client *client);
+static int disable_output(struct i2c_client *client, int chn);
+static int disable_pll_in_fb_mux(struct i2c_client *client); /* to be explicitly enabled if needed */
+
+
+
+static int set_pll_paremeters(struct i2c_client *client);
+static int set_misc_registers(struct i2c_client *client);
+static int get_ms_powerdown(struct i2c_client *client, int chn);
......@@ -1508,6 +1544,8 @@ Index: git/drivers/misc/si5338.c
+static DEVICE_ATTR(in_pfd_fb, SYSFS_PERMISSIONS, in_pfd_fb_show, in_pfd_fb_store);
+static DEVICE_ATTR(in_pfd_fb_txt, SYSFS_PERMISSIONS & SYSFS_READONLY, in_pfd_fb_txt_show, NULL);
+static DEVICE_ATTR(pll_ref_frequency,SYSFS_PERMISSIONS & SYSFS_READONLY, pll_ref_frequency_show, NULL);
+static DEVICE_ATTR(pll_fb_frequency, SYSFS_PERMISSIONS & SYSFS_READONLY, pll_fb_frequency_show, NULL);
+
+static DEVICE_ATTR(fb_external, SYSFS_PERMISSIONS, fb_external_show, fb_external_store);
+
+static struct attribute *input_dev_attrs[] = {
......@@ -1529,6 +1567,7 @@ Index: git/drivers/misc/si5338.c
+ &dev_attr_in_pfd_fb.attr,
+ &dev_attr_in_pfd_fb_txt.attr,
+ &dev_attr_pll_ref_frequency.attr,
+ &dev_attr_pll_fb_frequency.attr,
+ &dev_attr_fb_external.attr,
+ NULL
+};
......@@ -1575,9 +1614,8 @@ Index: git/drivers/misc/si5338.c
+ .name = "multiSynth",
+};
+
+
+
+static DEVICE_ATTR(pre_init, SYSFS_PERMISSIONS & SYSFS_WRITEONLY, NULL, pre_init_store);
+static DEVICE_ATTR(pre_init, SYSFS_PERMISSIONS & SYSFS_WRITEONLY, NULL, pre_init_store);
+static DEVICE_ATTR(pre_init_clear, SYSFS_PERMISSIONS & SYSFS_WRITEONLY, NULL, pre_init_store);
+static DEVICE_ATTR(post_init, SYSFS_PERMISSIONS & SYSFS_WRITEONLY, NULL, post_init_store);
+static DEVICE_ATTR(pll_freq_fract, SYSFS_PERMISSIONS, pll_freq_show, pll_freq_store);
+static DEVICE_ATTR(pll_freq_int, SYSFS_PERMISSIONS, pll_freq_show, pll_freq_store);
......@@ -1597,6 +1635,7 @@ Index: git/drivers/misc/si5338.c
+
+static struct attribute *pll_dev_attrs[] = {
+ &dev_attr_pre_init.attr,
+ &dev_attr_pre_init_clear.attr,
+ &dev_attr_post_init.attr,
+ &dev_attr_pll_ref_frequency.attr,
+ &dev_attr_pll_freq_fract.attr,
......@@ -1694,11 +1733,11 @@ Index: git/drivers/misc/si5338.c
+
+static const struct attribute_group dev_attr_output_group = {
+ .attrs = output_dev_attrs,
+ .name = "output",
+ .name = "output_clocks",
+};
+
+/* output drivers */
+
+#ifdef GENERATE_EXTRA
+static DEVICE_ATTR(drv0_powerdown, SYSFS_PERMISSIONS, drv_powerdown_show, drv_powerdown_store);
+static DEVICE_ATTR(drv1_powerdown, SYSFS_PERMISSIONS, drv_powerdown_show, drv_powerdown_store);
+static DEVICE_ATTR(drv2_powerdown, SYSFS_PERMISSIONS, drv_powerdown_show, drv_powerdown_store);
......@@ -1759,7 +1798,7 @@ Index: git/drivers/misc/si5338.c
+static DEVICE_ATTR(drv2_description, SYSFS_PERMISSIONS & SYSFS_READONLY, drv_txt_show, NULL);
+static DEVICE_ATTR(drv3_description, SYSFS_PERMISSIONS & SYSFS_READONLY, drv_txt_show, NULL);
+
+static struct attribute *output_drivers_dev_attrs[] = {
+static struct attribute *output_extra_dev_attrs[] = {
+ &dev_attr_drv0_powerdown.attr,
+ &dev_attr_drv1_powerdown.attr,
+ &dev_attr_drv2_powerdown.attr,
......@@ -1822,22 +1861,20 @@ Index: git/drivers/misc/si5338.c
+ NULL
+};
+
+static const struct attribute_group dev_attr_output_drivers_group = {
+ .attrs = output_drivers_dev_attrs,
+ .name = "output_drivers",
+static const struct attribute_group dev_attr_output_extra_group = {
+ .attrs = output_extra_dev_attrs,
+ .name = "output_extra",
+};
+
+#endif
+
+
+static int get_chn_from_name(const char * name)
+{
+ char * cp = strpbrk(name,"0123456789");
+ return (cp)?(cp[0]-'0'):-1;
+}
+
+
+static int make_config_out (struct device *dev,
+ ssize_t (*show_output)(struct device *dev, struct device_attribute *attr, char *buf),
+ ssize_t (*store_config)(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count))
+static int make_config_out(struct device *dev)
+{
+ int retval=-1;
+ int index,iout,num_types,num_files;
......@@ -1846,8 +1883,13 @@ Index: git/drivers/misc/si5338.c
+ struct attribute_group *attr_group;
+ for (num_types=0;drv_configs[num_types].description;num_types++);
+ num_files=num_types;
+ for (iout=0;out_dis_states[iout];iout++) num_files++;
+ for (iout=0;out_en_states[iout];iout++) num_files++;
+ for (iout=0;out_pwr_states[iout];iout++) num_files++;
+
+ for (iout=0;out_names[iout];iout++) num_files++;
+
+
+ pattrs = devm_kzalloc(dev,(num_files+1)*sizeof(pattrs[0]), GFP_KERNEL);
+ if (!pattrs) return -ENOMEM;
+ dev_attrs = devm_kzalloc(dev, num_files*sizeof(dev_attrs[0]), GFP_KERNEL);
......@@ -1860,20 +1902,51 @@ Index: git/drivers/misc/si5338.c
+ dev_attrs[index].attr.name=drv_configs[index].description;
+ dev_attrs[index].attr.mode=SYSFS_PERMISSIONS & SYSFS_WRITEONLY;
+ dev_attrs[index].show= NULL;
+ dev_attrs[index].store=store_config;
+ dev_attrs[index].store=output_config_store;
+ pattrs[index]=&(dev_attrs[index].attr);
+ }
+ // if (((retval = make_config_out (dev, output_description_show, output_config_store)))<0) return retval;
+
+ /* add outputs disabled states (write only) */
+ for (iout=0;out_dis_states[iout];iout++) {
+ dev_attrs[index].attr.name=out_dis_states[iout];
+ dev_attrs[index].attr.mode=SYSFS_PERMISSIONS & SYSFS_WRITEONLY;
+ dev_attrs[index].show=NULL;
+ dev_attrs[index].store=out_dis_states_store;
+ pattrs[index]=&(dev_attrs[index].attr);
+ index++;
+ }
+ /* add outputs enable (write only) */
+ for (iout=0;out_en_states[iout];iout++) {
+ dev_attrs[index].attr.name=out_en_states[iout];
+ dev_attrs[index].attr.mode=SYSFS_PERMISSIONS & SYSFS_WRITEONLY;
+ dev_attrs[index].show=NULL;
+ dev_attrs[index].store=out_en_states_store;
+ pattrs[index]=&(dev_attrs[index].attr);
+ index++;
+ }
+ /* add outputs enable (write only) */
+ for (iout=0;out_pwr_states[iout];iout++) {
+ dev_attrs[index].attr.name=out_pwr_states[iout];
+ dev_attrs[index].attr.mode=SYSFS_PERMISSIONS & SYSFS_WRITEONLY;
+ dev_attrs[index].show=NULL;
+ dev_attrs[index].store=out_pwr_states_store;
+ pattrs[index]=&(dev_attrs[index].attr);
+ index++;
+ }
+
+
+ /* add outputs (readonly) */
+ for (iout=0;out_names[iout];iout++) {
+ dev_attrs[index].attr.name=out_names[iout];
+ dev_attrs[index].attr.mode=SYSFS_PERMISSIONS & SYSFS_READONLY;
+ dev_attrs[index].show=show_output;
+ dev_attrs[index].show=output_description_show;
+ dev_attrs[index].store=NULL;
+ pattrs[index]=&(dev_attrs[index].attr);
+ index++;
+ }
+ pattrs[index]=NULL;
+ attr_group->name = "output_standard";
+ attr_group->name = "output_drivers";
+ attr_group->attrs =pattrs;
+ dev_dbg(dev,"name=%s, &dev->kobj=0x%08x\n",attr_group->name, (int) (&dev->kobj));
+ index=0;
......@@ -1910,18 +1983,42 @@ Index: git/drivers/misc/si5338.c
+ if (((rc=get_output_description(dev, buf,i)))<0) return rc;
+ buf+=rc;
+ len+=rc;
+
+ rc=sprintf(buf,", output frequency: ");
+ buf+=rc;
+ len+=rc;
+ if (((rc=get_out_frequency_txt(dev, buf,i)))<0) return rc;
+ buf+=rc;
+ len+=rc;
+
+ rc=sprintf(buf,", output route: ");
+ buf+=rc;
+ len+=rc;
+ if (((rc=get_out_route(client, buf,i)))<0) return rc;
+ buf+=rc;
+ len+=rc;
+
+ rc=sprintf(buf,", disabled state: ");
+ buf+=rc;
+ len+=rc;
+ if (((rc=get_disabled_state(dev, buf,i)))<0) return rc;
+ buf+=rc;
+ len+=rc;
+
+ rc=sprintf(buf,", ");
+ buf+=rc;
+ len+=rc;
+ if (((rc=get_powerup_state(dev, buf,i)))<0) return rc;
+ buf+=rc;
+ len+=rc;
+
+ rc=sprintf(buf,", ");
+ buf+=rc;
+ len+=rc;
+ if (((rc=get_enabled_state(dev, buf,i)))<0) return rc;
+ buf+=rc;
+ len+=rc;
+
+ rc=sprintf(buf,"\n");
+ buf+=rc;
+ len+=rc;
......@@ -2024,8 +2121,10 @@ Index: git/drivers/misc/si5338.c
+ if (((retval = sysfs_create_group(&dev->kobj, &dev_attr_multisynth_group)))<0) return retval;
+ if (((retval = sysfs_create_group(&dev->kobj, &dev_attr_pll_group)))<0) return retval;
+ if (((retval = sysfs_create_group(&dev->kobj, &dev_attr_output_group)))<0) return retval;
+ if (((retval = sysfs_create_group(&dev->kobj, &dev_attr_output_drivers_group)))<0) return retval;
+ if (((retval = make_config_out (dev, output_description_show, output_config_store)))<0) return retval;
+#ifdef GENERATE_EXTRA
+ if (((retval = sysfs_create_group(&dev->kobj, &dev_attr_output_extra_group)))<0) return retval;
+#endif
+ if (((retval = make_config_out (dev)))<0) return retval;
+ }
+ return retval;
+}
......@@ -2379,6 +2478,13 @@ Index: git/drivers/misc/si5338.c
+ if (pll_in_freq<0) return (int) pll_in_freq;
+ return sprintf(buf, "%lld\n",pll_in_freq);
+}
+static ssize_t pll_fb_frequency_show (struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ s64 pll_fb_freq= get_pll_fb_frequency(client);
+ if (pll_fb_freq<0) return (int) pll_fb_freq;
+ return sprintf(buf, "%lld\n",pll_fb_freq);
+}
+static ssize_t ms_p123_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ int rc,chn;
......@@ -2405,8 +2511,7 @@ Index: git/drivers/misc/si5338.c
+ }
+ if (((rc=set_ms_p123(client,p123, chn)))<0) return rc;
+ if (chn<4){
+ /* disable spread spectrum - only this register was changed to 0 from default 1 */
+ if (((rc=write_multireg64(client, 0 , awe_msx_ssup3[chn])))<0) return rc;
+ if (((rc=disable_spread_spectrum(client,chn)))<0) return rc;
+ }
+ return count;
+}
......@@ -2441,8 +2546,7 @@ Index: git/drivers/misc/si5338.c
+ ms_to_p123(ms,p123);
+ if (((rc=set_ms_p123(client,p123, chn)))<0) return rc;
+ if (chn<4){
+ /* disable spread spectrum - only this register was changed to 0 from default 1 */
+ if (((rc=write_multireg64(client, 0 , awe_msx_ssup3[chn])))<0) return rc;
+ if (((rc=disable_spread_spectrum(client,chn)))<0) return rc;
+ }
+ return count;
+}
......@@ -2467,9 +2571,10 @@ Index: git/drivers/misc/si5338.c
+
+static ssize_t pre_init_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ int rc,clear_all;
+ struct i2c_client *client = to_i2c_client(dev);
+ int rc;
+ if (((rc=pre_init(client)))<0) return rc;
+ clear_all=strstr(attr->attr.name,"clear")?1:0;
+ if (((rc=pre_init(client,clear_all)))<0) return rc;
+ return count;
+}
+
......@@ -2654,6 +2759,103 @@ Index: git/drivers/misc/si5338.c
+ return count;
+}
+
+
+
+static ssize_t out_pwr_states_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ int chn, num_bytes,rc;
+ while ((rc=sscanf(buf, "%d%n", &chn,&num_bytes))){
+ dev_dbg(dev,"buf=%s rc==%d chn=%d num_bytes=%d", buf, rc,chn,num_bytes);
+ buf+=num_bytes;
+ if (((rc=set_out_pwr_states(dev, attr->attr.name, chn)))<0) return rc;
+ }
+ return count;
+}
+
+static int set_out_pwr_states(struct device *dev, const char * name, int chn)
+{
+ int i,rc;
+ struct i2c_client *client = to_i2c_client(dev);
+ dev_dbg(dev,"name=%s chn=%d", name,chn);
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ for (i=0; out_pwr_states[i]; i++) if (strcmp(name,out_pwr_states[i]) == 0) {
+ if (((rc=set_drv_powerdown(client, i, chn)))<0) return rc;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int get_powerup_state(struct device *dev, char * buf, int chn)
+{
+ int index;
+ struct i2c_client *client = to_i2c_client(dev);
+ if (((index=get_drv_powerdown(client,chn)))<0) return index;
+ return sprintf (buf,out_pwr_states[index]);
+}
+
+static ssize_t out_en_states_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ int chn, num_bytes,rc;
+ while ((rc=sscanf(buf, "%d%n", &chn,&num_bytes))){
+ dev_dbg(dev,"buf=%s rc==%d chn=%d num_bytes=%d", buf, rc,chn,num_bytes);
+ buf+=num_bytes;
+ if (((rc=set_out_en_states(dev, attr->attr.name, chn)))<0) return rc;
+ }
+ return count;
+}
+
+static int set_out_en_states(struct device *dev, const char * name, int chn)
+{
+ int i,rc;
+ struct i2c_client *client = to_i2c_client(dev);
+ dev_dbg(dev,"name=%s chn=%d", name,chn);
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ for (i=0; out_en_states[i]; i++) if (strcmp(name,out_en_states[i]) == 0) {
+ if (((rc=set_drv_disable(client, i, chn)))<0) return rc;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int get_enabled_state(struct device *dev, char * buf, int chn)
+{
+ int index;
+ struct i2c_client *client = to_i2c_client(dev);
+ if (((index=get_drv_disable(client,chn)))<0) return index;
+ return sprintf (buf,out_en_states[index]);
+}
+
+static ssize_t out_dis_states_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ int chn, num_bytes,rc;
+ while ((rc=sscanf(buf, "%d%n", &chn,&num_bytes))){
+ dev_dbg(dev,"buf=%s rc==%d chn=%d num_bytes=%d", buf, rc,chn,num_bytes);
+ buf+=num_bytes;
+ if (((rc=set_out_dis_states(dev, attr->attr.name, chn)))<0) return rc;
+ }
+ return count;
+}
+
+static int set_out_dis_states(struct device *dev, const char * name, int chn)
+{
+ int i,rc;
+ struct i2c_client *client = to_i2c_client(dev);
+ dev_dbg(dev,"name=%s chn=%d", name,chn);
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ for (i=0; out_dis_states[i]; i++) if (strcmp(name,out_dis_states[i]) == 0) {
+ if (((rc=set_drv_disabled_state(client, i, chn)))<0) return rc;
+ return 0;
+ }
+ return -EINVAL;
+}
+static int get_disabled_state(struct device *dev, char * buf, int chn)
+{
+ int index;
+ struct i2c_client *client = to_i2c_client(dev);
+ if (((index=get_drv_disabled_state(client,chn)))<0) return index;
+ return sprintf (buf,out_dis_states[index]);
+}
+#ifdef GENERATE_EXTRA
+static ssize_t drv_powerdown_show (struct device *dev, struct device_attribute *attr, char *buf)
+{
+ int data,chn;
......@@ -2843,22 +3045,133 @@ Index: git/drivers/misc/si5338.c
+ return sprintf(buf, "%s\n",data);
+}
+
+/* -----------Output section--------------------------- */
+
+static const u32 awe_rdiv_in[]= {AWE_R0DIV_IN, AWE_R1DIV_IN, AWE_R2DIV_IN, AWE_R3DIV_IN};
+static const u32 awe_rdiv_k[]= {AWE_R0DIV, AWE_R1DIV, AWE_R2DIV, AWE_R3DIV};
+static const u32 awe_drv_fmt[]= {AWE_DRV0_FMT, AWE_DRV1_FMT, AWE_DRV2_FMT, AWE_DRV3_FMT};
+static const u32 awe_drv_vddo[]= {AWE_DRV0_VDDO, AWE_DRV1_VDDO, AWE_DRV2_VDDO, AWE_DRV3_VDDO};
+static const u32 awe_drv_trim[][4]= {{AWE_DRV0_TRIM,0,0}, {AWE_DRV1_TRIM_A,AWE_DRV1_TRIM_B,0},{AWE_DRV2_TRIM,0,0},{AWE_DRV3_TRIM,0,0}};
+static const u32 awe_drv_powerdown[]={AWE_DRV0_PDN, AWE_DRV1_PDN, AWE_DRV2_PDN, AWE_DRV3_PDN};
+static const u32 awe_drv_disable[]= {AWE_OUT0_DIS, AWE_OUT1_DIS, AWE_OUT2_DIS, AWE_OUT3_DIS, AWE_OUT_ALL_DIS};
+static const u32 awe_drv_dis_state[]={AWE_OUT0_DIS_STATE, AWE_OUT1_DIS_STATE, AWE_OUT2_DIS_STATE, AWE_OUT3_DIS_STATE};
+static const u32 awe_drv_invert[]= {AWE_DRV0_INV, AWE_DRV1_INV, AWE_DRV2_INV, AWE_DRV3_INV};
+/* uses out_type and out_vddo */
+static int update_drv_trim(struct i2c_client *client, int novtt, int chn) /* no Vtt - CMOS, no termination, where it matters */
+{
+ int rc;
+ int out_type, out_vdd,trim=-1;
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ if (((out_type=get_drv_type(client,chn)))<0) return out_type;
+ if (((out_vdd=get_drv_vdd(client,chn)))<0) return out_vdd;
+ switch (out_type) {
+ case 1:
+ case 2:
+ case 3:
+ switch (out_vdd){
+ case 0:trim=novtt?0x17:0x04; break;
+ case 1:trim=novtt?0x13:0x0d; break;
+ case 2:trim=novtt?0x17:0x15; break;
+ case 3:trim=0x1f; break;
+ }
+ break;
+ case 4:
+ switch (out_vdd){
+ case 0:trim=0x0f; break;
+ case 1:trim=0x10; break;
+ }
+ break;
+ case 5:
+ switch (out_vdd){
+ case 0:trim=0x08; break;
+ case 1:trim=0x09; break;
+ }
+ break;
+ case 6:
+ switch (out_vdd){
+ case 0:trim=0x03; break;
+ case 1:
+ case 2:trim=0x04; break;
+ }
+ break;
+ case 7:
+ switch (out_vdd){
+ case 0:
+ case 1:
+ case 2:trim=0x07; break;
+ }
+ break;
+ }
+ if (trim<0){
+ dev_err(&client->dev, "Invalid combination of output type (%d) and voltage (%d)\n",out_type,out_vdd);
+ return - EINVAL;
+ }
+ return write_multireg64(client, trim, awe_drv_trim[chn]);
+}
+/* uses out_type, out_vddo and out_trim */
+static char * get_drv_txt(struct i2c_client *client, int chn)
+{
+ int rc;
+ int out_type, out_vdd,out_trim=-1;
+ if (((rc=_verify_output_channel(client,chn)))<0) return NULL;
+ if (((out_type=get_drv_type(client,chn)))<0) return NULL;
+ if (((out_vdd=get_drv_vdd(client,chn)))<0) return NULL;
+ if (((out_vdd=get_drv_trim(client,chn)))<0) return NULL;
+ switch (out_type) {
+ case 1:
+ switch (out_vdd){
+ case 0:return (out_trim & 0x10)?"3.3V CMOS, A & B":"3.3V SSTL, A only";
+ case 1:return (out_trim & 0x10)?"2.5V CMOS, A & B":"2.5V SSTL, A only";
+ case 2:return (out_trim & 0x02)?"1.8V SSTL, A & B":"1.8V CMOS, A only";
+ case 3:return "1.5V HSTL, A only";
+ }
+ break;
+ case 2:
+ switch (out_vdd){
+ case 0:return (out_trim & 0x10)?"3.3V CMOS, A & B":"3.3V SSTL, B only";
+ case 1:return (out_trim & 0x10)?"2.5V CMOS, A & B":"2.5V SSTL, B only";
+ case 2:return (out_trim & 0x02)?"1.8V SSTL, A & B":"1.8V CMOS, B only";
+ case 3:return "1.5V HSTL, B only";
+ }
+ break;
+ case 3:
+ switch (out_vdd){
+ case 0:return (out_trim & 0x10)?"3.3V CMOS, A & B":"3.3V SSTL, A & B";
+ case 1:return (out_trim & 0x10)?"2.5V CMOS, A & B":"2.5V SSTL, A & B";
+ case 2:return (out_trim & 0x02)?"1.8V SSTL, A & B":"1.8V CMOS, A & B";
+ case 3:return "1.5V HSTL, A & B";
+ }
+ break;
+ case 4:
+ switch (out_vdd){
+ case 0:return "3.3V LVPECL";
+ case 1:return "2.5V LVPECL";
+ }
+ break;
+ case 5:
+ switch (out_vdd){
+ case 0:return "3.3V CML";
+ case 1:return "2.5V CML";
+ }
+ break;
+ case 6:
+ switch (out_vdd){
+ case 0:return "3.3V LVDS";
+ case 1:return "2.5V LVDS";
+ case 2:return "1.8V LVDS";
+ }
+ break;
+ case 7:
+ switch (out_vdd){
+ case 0:return "3.3V HCSL";
+ case 1:return "2.5V HCSL";
+ case 2:return "1.8V HCSL";
+ }
+ break;
+ }
+ dev_err(&client->dev, "Invalid combination of output type (%d) and voltage (%d)\n",out_type,out_vdd);
+ switch (out_vdd){
+ case 0:return "3.3V - invalid type";
+ case 1:return "2.5V - invalid type";
+ case 2:return "1.8V - invalid type";
+ case 3:return "1.5V - invalid type";
+ }
+ return NULL; /* never */
+}
+
+static const u32 awe_drv_inv[]= {AWE_DRV0_INV, AWE_DRV1_INV, AWE_DRV2_INV, AWE_DRV3_INV};
+#endif
+
+/* -----------Output section--------------------------- */
+
+static const u8 out_div_values[]={1,2,4,8,16,32};
+static int remove_common_factor(u64 * num_denom)
+{
+ u64 a,b,r;
......@@ -2891,6 +3204,15 @@ Index: git/drivers/misc/si5338.c
+ return 0;
+}
+
+static int disable_spread_spectrum(struct i2c_client *client,int chn)
+{
+ int rc;
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ /* disable spread spectrum - only this register was changed to 0 from default 1 */
+ if (((rc=write_multireg64(client, 0 , awe_msx_ssup3[chn])))<0) return rc;
+ return 0;
+}
+
+static int get_drv_powerdown(struct i2c_client *client, int chn)
+{
+ int rc;
......@@ -2998,128 +3320,6 @@ Index: git/drivers/misc/si5338.c
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ return (int) read_multireg64 (client, awe_drv_trim[chn]);
+}
+/* uses out_type and out_vddo */
+static int update_drv_trim(struct i2c_client *client, int novtt, int chn) /* no Vtt - CMOS, no termination, where it matters */
+{
+ int rc;
+ int out_type, out_vdd,trim=-1;
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ if (((out_type=get_drv_type(client,chn)))<0) return out_type;
+ if (((out_vdd=get_drv_vdd(client,chn)))<0) return out_vdd;
+ switch (out_type) {
+ case 1:
+ case 2:
+ case 3:
+ switch (out_vdd){
+ case 0:trim=novtt?0x17:0x04; break;
+ case 1:trim=novtt?0x13:0x0d; break;
+ case 2:trim=novtt?0x17:0x15; break;
+ case 3:trim=0x1f; break;
+ }
+ break;
+ case 4:
+ switch (out_vdd){
+ case 0:trim=0x0f; break;
+ case 1:trim=0x10; break;
+ }
+ break;
+ case 5:
+ switch (out_vdd){
+ case 0:trim=0x08; break;
+ case 1:trim=0x09; break;
+ }
+ break;
+ case 6:
+ switch (out_vdd){
+ case 0:trim=0x03; break;
+ case 1:
+ case 2:trim=0x04; break;
+ }
+ break;
+ case 7:
+ switch (out_vdd){
+ case 0:
+ case 1:
+ case 2:trim=0x07; break;
+ }
+ break;
+ }
+ if (trim<0){
+ dev_err(&client->dev, "Invalid combination of output type (%d) and voltage (%d)\n",out_type,out_vdd);
+ return - EINVAL;
+ }
+ return write_multireg64(client, trim, awe_drv_trim[chn]);
+}
+/* uses out_type, out_vddo and out_trim */
+static char * get_drv_txt(struct i2c_client *client, int chn)
+{
+ int rc;
+ int out_type, out_vdd,out_trim=-1;
+ if (((rc=_verify_output_channel(client,chn)))<0) return NULL;
+ if (((out_type=get_drv_type(client,chn)))<0) return NULL;
+ if (((out_vdd=get_drv_vdd(client,chn)))<0) return NULL;
+ if (((out_vdd=get_drv_trim(client,chn)))<0) return NULL;
+ switch (out_type) {
+ case 1:
+ switch (out_vdd){
+ case 0:return (out_trim & 0x10)?"3.3V CMOS, A & B":"3.3V SSTL, A only";
+ case 1:return (out_trim & 0x10)?"2.5V CMOS, A & B":"2.5V SSTL, A only";
+ case 2:return (out_trim & 0x02)?"1.8V SSTL, A & B":"1.8V CMOS, A only";
+ case 3:return "1.5V HSTL, A only";
+ }
+ break;
+ case 2:
+ switch (out_vdd){
+ case 0:return (out_trim & 0x10)?"3.3V CMOS, A & B":"3.3V SSTL, B only";
+ case 1:return (out_trim & 0x10)?"2.5V CMOS, A & B":"2.5V SSTL, B only";
+ case 2:return (out_trim & 0x02)?"1.8V SSTL, A & B":"1.8V CMOS, B only";
+ case 3:return "1.5V HSTL, B only";
+ }
+ break;
+ case 3:
+ switch (out_vdd){
+ case 0:return (out_trim & 0x10)?"3.3V CMOS, A & B":"3.3V SSTL, A & B";
+ case 1:return (out_trim & 0x10)?"2.5V CMOS, A & B":"2.5V SSTL, A & B";
+ case 2:return (out_trim & 0x02)?"1.8V SSTL, A & B":"1.8V CMOS, A & B";
+ case 3:return "1.5V HSTL, A & B";
+ }
+ break;
+ case 4:
+ switch (out_vdd){
+ case 0:return "3.3V LVPECL";
+ case 1:return "2.5V LVPECL";
+ }
+ break;
+ case 5:
+ switch (out_vdd){
+ case 0:return "3.3V CML";
+ case 1:return "2.5V CML";
+ }
+ break;
+ case 6:
+ switch (out_vdd){
+ case 0:return "3.3V LVDS";
+ case 1:return "2.5V LVDS";
+ case 2:return "1.8V LVDS";
+ }
+ break;
+ case 7:
+ switch (out_vdd){
+ case 0:return "3.3V HCSL";
+ case 1:return "2.5V HCSL";
+ case 2:return "1.8V HCSL";
+ }
+ break;
+ }
+ dev_err(&client->dev, "Invalid combination of output type (%d) and voltage (%d)\n",out_type,out_vdd);
+ switch (out_vdd){
+ case 0:return "3.3V - invalid type";
+ case 1:return "2.5V - invalid type";
+ case 2:return "1.8V - invalid type";
+ case 3:return "1.5V - invalid type";
+ }
+ return NULL; /* never */
+}
+
+static int set_drv_trim_any(struct i2c_client *client, int trim, int chn)
+{
......@@ -3137,7 +3337,7 @@ Index: git/drivers/misc/si5338.c
+ int rc;
+ u8 val;
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ for (val=0;val<(sizeof(out_div_values)/sizeof(out_div_values[0]));val++) if (out_div_values[val]==div) {
+ for (val=0;val<ARRAY_SIZE(out_div_values);val++) if (out_div_values[val]==div) {
+ if (((rc=write_field (client, val, awe_rdiv_k[chn] )))<0) return rc;
+ return 0;
+ }
......@@ -3150,7 +3350,7 @@ Index: git/drivers/misc/si5338.c
+ int rc;
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ if (((rc=read_field(client, awe_rdiv_k[chn])))<0) return rc;
+ if (rc>=(sizeof(out_div_values)/sizeof(out_div_values[0]))){
+ if (rc>=ARRAY_SIZE(out_div_values)){
+ dev_err(&client->dev, "Invalid value for output divider: %d\n",rc);
+ return - EINVAL;
+ }
......@@ -3338,7 +3538,8 @@ Index: git/drivers/misc/si5338.c
+ } else return -EINVAL; /* divisor expected */
+ }
+ /* get output divisor */
+ if (src_group<3){
+
+ if (src_group<3){ /* not 'no clock' */
+ if ((cp[0]=='/') || (cp[0]==':')){
+ cp++;
+ if ((strncmp(cp,"32",2)==0)) {
......@@ -3354,10 +3555,10 @@ Index: git/drivers/misc/si5338.c
+ else return -EINVAL;
+ cp++;
+ } else return -EINVAL; /* divisor expected */
+ /* apply output divisor*/
+ if (((rc==set_out_div(client, 1<<div2, chn)))<0) return rc;
+ }
+
+ /* apply */
+ if (((rc==set_out_div(client, 1<<div2, chn)))<0) return rc;
+ if (src_group==3){
+ out_src = 7; /* No clock */
+ } else if (src_group==2){
......@@ -3387,7 +3588,7 @@ Index: git/drivers/misc/si5338.c
+ if (((rc==set_in_pdiv(client, 1<<div1, (out_src==2)?1:0)))<0) return rc; /* set p2div or p1div - as needed */
+ }
+ if (mux1>=0){
+ if (((rc==set_in_mux(client, mux1)))<0) return rc; /* set imput mux if it is used */
+ if (((rc==set_in_mux(client, mux1)))<0) return rc; /* set input mux if it is used */
+ }
+ if (mux2>=0){
+ if (((rc==set_fb_mux(client, mux2)))<0) return rc; /* set fb mux if it is used */
......@@ -3395,6 +3596,7 @@ Index: git/drivers/misc/si5338.c
+ return 0;
+}
+
+
+static int set_out_frequency_and_route (struct i2c_client *client, u64 *out_freq, int chn, int int_div)
+{
+ /* using MS with the same number as the output, enabling power to that MS */
......@@ -3410,6 +3612,7 @@ Index: git/drivers/misc/si5338.c
+ if (((rc=set_out_div_by_frequency(client, out_freq, chn)))<0) return rc;
+ /* enable power for selected output */
+ if (((rc=set_drv_powerdown(client, 0, chn)))<0) return rc;
+ /* Note: output is not enabled ! Should it be not powered up too?*/
+ return 0; /* all done */
+}
+
......@@ -3465,11 +3668,19 @@ Index: git/drivers/misc/si5338.c
+/* -----------PLL section--------------------------- */
+static u32 awe_fcal[]= {AWE_FCAL_07_00, AWE_FCAL_15_08, AWE_FCAL_17_16, 0};
+static u32 awe_fcal_ovrd[]={AWE_FCAL_OVRD_07_00, AWE_FCAL_OVRD_15_08, AWE_FCAL_OVRD_17_15, 0};
+static int pre_init(struct i2c_client *client)
+static int pre_init(struct i2c_client *client, int clear_all)
+{
+ int rc;
+ int rc,chn;
+ if (((rc=write_field(client, 1, AWE_OUT_ALL_DIS )))<0) return rc; /* disable all outputs */
+ if (((rc=write_field(client, 1, AWE_DIS_LOS )))<0) return rc; /* pause LOL */
+ if (clear_all){ /* clears outputs pll input/fb muxes to be set later */
+ /* extra */
+ for (chn=0;chn<4;chn++){
+ if (((rc=disable_output(client, chn)))<0) return rc;
+ }
+ /* to be explicitly enabled if needed */
+ if (((rc=disable_pll_in_fb_mux(client)))<0) return rc;
+ }
+ return 0;
+}
+static int post_init(struct i2c_client *client, int timeout) /*1 in timeout ~ 0.1ms - i2c read register */
......@@ -3541,6 +3752,7 @@ Index: git/drivers/misc/si5338.c
+ if (((rc=write_field(client, 0, AWE_MS_RESET )))<0) return rc; /* SET MS RESET=0 */
+ if (((rc=write_field(client, 0, AWE_OUT_ALL_DIS )))<0) return rc; /* enable all (enabled individually) outputs */
+ write_field(client, 0, AWE_SOFT_RESET ); /* Not documented - what to do with the soft reset bit - clearing */
+ if (((rc=power_up_down_needed_ms(client)))<0) return rc;
+ return 0;
+}
+
......@@ -3549,6 +3761,41 @@ Index: git/drivers/misc/si5338.c
+ return read_field(client,AWE_STATUS);
+}
+
+static int power_up_down_needed_ms(struct i2c_client *client)
+{
+ int rc,chn,out_src;
+ int ms_used=0;
+ for (chn=0;chn<4;chn++){
+ if (((out_src=get_out_source(client, chn)))<0) return out_src;
+ switch (out_src){
+ case 5: ms_used |= 1; break;
+ case 6: ms_used |= (1<<chn); break;
+ }
+ }
+ for (chn=0;chn<4;chn++){
+ if (((rc=set_ms_powerdown(client, (ms_used & (1<<chn))?0:1, chn)))<0) return rc;
+ }
+ return 0;
+}
+static int disable_output(struct i2c_client *client, int chn)
+{
+ int rc;
+ if (((rc=_verify_output_channel(client,chn)))<0) return rc;
+ if (((rc=set_out_route(client, "no", chn)))<0) return rc;
+ /* disable power for selected output */
+ if (((rc=set_drv_powerdown(client, 1, chn)))<0) return rc;
+ if (((rc=set_drv_disable(client, 1, chn)))<0) return rc;
+ return 0;
+}
+/* to be explicitly enabled if needed */
+static int disable_pll_in_fb_mux(struct i2c_client *client)
+{
+ int rc;
+ if (((rc=set_in_pfd_ref_fb(client, 5, 0)))<0) return rc; /*chn =0 - ref, 1 - fb, '5' - noclk*/
+ if (((rc=set_in_pfd_ref_fb(client, 5, 1)))<0) return rc; /*chn =0 - ref, 1 - fb, '5' - noclk*/
+ return 0;
+}
+
+
+static int set_pll_paremeters(struct i2c_client *client)
+{
......@@ -3745,7 +3992,6 @@ Index: git/drivers/misc/si5338.c
+ */
+static int set_pll_freq(struct i2c_client *client, u64 *vco_freq, int int_div)
+{
+ int rc;
+ s64 pll_in_freq, pll_in_freq_scaled,pll_out_freq_scaled,d;
+ u32 msn_p123[3];
+ u64 msn[]={0,0,1};
......@@ -4032,8 +4278,7 @@ Index: git/drivers/misc/si5338.c
+ /* set up registers */
+ ms_to_p123(ms,p123);
+ if (((rc=set_ms_p123(client,p123, chn)))<0) return rc;
+/* disable spread spectrum - only this register was changed to 0 from default 1 */
+ if (((rc=write_multireg64(client, 0 , awe_msx_ssup3[chn])))<0) return rc;
+ if (((rc=disable_spread_spectrum(client,chn)))<0) return rc;
+ return 0;
+}
+/* ----------- Input section ----------------- */
......@@ -4185,7 +4430,7 @@ Index: git/drivers/misc/si5338.c
+{
+ int rc;
+ u8 val;
+ for (val=0;val<(sizeof(in_div_values)/sizeof(in_div_values[0]));val++) if (in_div_values[val]==div) {
+ for (val=0;val<ARRAY_SIZE(in_div_values);val++) if (in_div_values[val]==div) {
+ if (((rc=write_field (client, val, chn?AWE_P2DIV:AWE_P1DIV )))<0) return rc;
+ return 0;
+ }
......@@ -4197,7 +4442,7 @@ Index: git/drivers/misc/si5338.c
+{
+ int rc;
+ if (((rc=read_field(client, chn?AWE_P2DIV:AWE_P1DIV )))<0) return rc;
+ if (rc>=(sizeof(in_div_values)/sizeof(in_div_values[0]))){
+ if (rc>=ARRAY_SIZE(in_div_values)){
+ dev_err(&client->dev, "Invalid value for input divider: %d\n",rc);
+ return - EINVAL;
+ }
......@@ -4511,11 +4756,10 @@ Index: git/drivers/misc/si5338.c
+ dev_err(&client->dev,"Not yet implemented, initializing unconditionally\n");
+ init_type=1;
+ case 1:
+ pre_init(client);
+ pre_init(client,1); // clear outputs and muxes - they will be programmed later
+ break;
+ }
+
+
+ config_data = of_get_property(client->dev.of_node, "si5338,configuration_data", &len);
+ if (config_data){
+ len /= sizeof(*config_data);
......@@ -4595,6 +4839,51 @@ Index: git/drivers/misc/si5338.c
+ }
+ }
+
+ /* configure disabled state of the output(s) */
+ for (n=0;out_dis_states[n];n++){
+ sprintf(buf,"si5338,%s",out_dis_states[n]);
+ dev_info(&client->dev,"1: Looking for '%s'",buf);
+ config_data = of_get_property(client->dev.of_node, buf, &len);
+ if (config_data){
+ 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);
+ if (set_drv_disable(client, n, setup_data.mask)<0) return;
+ }
+ }
+ }
+
+ /* configure powerdown state of the output(s) */
+ for (n=0;out_pwr_states[n];n++){
+ sprintf(buf,"si5338,%s",out_pwr_states[n]);
+ dev_info(&client->dev,"2: Looking for '%s'",buf);
+ config_data = of_get_property(client->dev.of_node, buf, &len);
+ if (config_data){
+ 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);
+ if (set_drv_powerdown(client, n, setup_data.mask)<0) return;
+ }
+ }
+ }
+
+ /* configure output enable state of the output(s) */
+ for (n=0;out_en_states[n];n++){
+ sprintf(buf,"si5338,%s",out_en_states[n]);
+ dev_info(&client->dev,"3: Looking for '%s'",buf);
+ config_data = of_get_property(client->dev.of_node, buf, &len);
+ if (config_data){
+ 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);
+ if (set_drv_disable(client, n, setup_data.mask)<0) return;
+ }
+ }
+ }
+
+
+ } else {
+ dev_info(&client->dev,"Device tree data not found for %s\n",client->name);
......
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