Skip to content

M
meta-elphel393
Commit bfaf4ab6 authored by Andrey Filippov's avatar Andrey Filippov
Browse files
Options

si5338: added frequency calculation

parent 69cf7478
Hide whitespace changes
Inline Side-by-side
Showing with 663 additions and 36 deletions
conf/machine/boards/elphel393/elphel393.dts
View file @ bfaf4ab6
......@@ -188,6 +188,7 @@
si5338,in_p1_div= <0>; /* unused */
si5338,in_p2_div= <0>; /* unused */
si5338,in_mux= <1>; /* in-3 */
si5338,fb_mux= <2>; /* no clock */
si5338,in_frequency= <25000000>; /* 25MHz */
};
gpio@20{
......
recipes-kernel/linux/linux-xlnx/vsc3304.patch
View file @ bfaf4ab6
Index: git/drivers/misc/Kconfig
===================================================================
--- git.orig/drivers/misc/Kconfig 2013-12-01 13:21:03.113068339 -0700
+++ git/drivers/misc/Kconfig 2013-12-01 13:21:06.549068375 -0700
--- git.orig/drivers/misc/Kconfig 2013-12-02 23:08:01.002329798 -0700
+++ git/drivers/misc/Kconfig 2013-12-02 23:08:03.994329829 -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 2013-12-01 13:21:03.113068339 -0700
+++ git/drivers/misc/Makefile 2013-12-01 13:21:06.549068375 -0700
--- git.orig/drivers/misc/Makefile 2013-12-02 23:08:01.002329798 -0700
+++ git/drivers/misc/Makefile 2013-12-02 23:08:03.994329829 -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 2013-12-01 13:21:06.549068375 -0700
+++ git/drivers/misc/vsc330x.c 2013-12-02 23:08:03.998329829 -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 2013-12-01 17:28:06.337222090 -0700
@@ -0,0 +1,867 @@
+++ git/drivers/misc/si5338.c 2013-12-02 23:17:35.422335756 -0700
@@ -0,0 +1,1493 @@
+/*!***************************************************************************
+ *! FILE NAME : si5338.c
+ *! DESCRIPTION: control of the Silicon Laboratories SI5338 clock generator
......@@ -959,14 +959,17 @@ Index: git/drivers/misc/si5338.c
+#define REG5338_DEV_CONFIG2_VAL 38 /* last 2 digits of part number */
+
+
+#define FVCOMIN 2200000000L
+#define FVCOMAX 2840000000L
+#define FVCOMIN 2200000000LL
+#define FVCOMAX 2840000000LL
+#define INFREQMIN 5000000LL
+#define INFREQMAX 710000000LL
+
+#define MSINT_MIN 8 /* not considering 4,6 */
+#define MSINT_MAX 567
+
+#define AWE_IN_MUX 0x1d18
+#define AWE_IN_MUX1 0x1c1c
+#define AWE_FB_MUX 0x1e18
+#define AWE_FB_MUX1 0x1c20
+
+#define AWE_XTAL_FREQ 0x1c03
+#define AWE_PFD_REF 0x1de0
......@@ -974,6 +977,100 @@ Index: git/drivers/misc/si5338.c
+#define AWE_P1DIV 0x1d07
+#define AWE_P2DIV 0x1e07
+
+#define AWE_FCAL_OVRD_07_00 0x2dff
+#define AWE_FCAL_OVRD_15_08 0x2eff
+#define AWE_FCAL_OVRD_17_15 0x2f03
+#define AWE_PFD_EXTFB 0x3080
+#define AWE_PLL_KPHI 0x307f
+#define AWE_FCAL_OVRD_EN 0x3180
+#define AWE_VCO_GAIN 0x3170
+#define AWE_RSEL 0x310c
+#define AWE_BWSEL 0x3103
+#define AWE_PLL_EN 0x32c0
+#define AWE_MSCAL 0x323f
+#define AWE_MS3_HS 0x3380
+#define AWE_MS2_HS 0x3340
+#define AWE_MS1_HS 0x3320
+#define AWE_MS0_HS 0x3310
+#define AWE_MS_PEC 0x3307
+
+#define AWE_MS0_FIDCT 0x3460
+#define AWE_MS0_FIDDIS 0x3410
+#define AWE_MS0_SSMODE 0x340C
+#define AWE_MS0_PHIDCT 0x3403
+#define AWE_MS0_P1_07_00 0x35ff
+#define AWE_MS0_P1_15_08 0x36ff
+#define AWE_MS0_P1_17_16 0x3703
+#define AWE_MS0_P2_05_00 0x37fc
+#define AWE_MS0_P2_13_06 0x38ff
+#define AWE_MS0_P2_21_14 0x39ff
+#define AWE_MS0_P2_29_22 0x3aff
+#define AWE_MS0_P3_07_00 0x3bff
+#define AWE_MS0_P3_15_08 0x3cff
+#define AWE_MS0_P3_23_16 0x3dff
+#define AWE_MS0_P3_29_24 0x3e3f
+
+
+#define AWE_MS1_FIDCT 0x3f60
+#define AWE_MS1_FIDDIS 0x3f10
+#define AWE_MS1_SSMODE 0x3f0C
+#define AWE_MS1_PHIDCT 0x3f03
+#define AWE_MS1_P1_07_00 0x40ff
+#define AWE_MS1_P1_15_08 0x41ff
+#define AWE_MS1_P1_17_16 0x4203
+#define AWE_MS1_P2_05_00 0x42fc
+#define AWE_MS1_P2_13_06 0x43ff
+#define AWE_MS1_P2_21_14 0x44ff
+#define AWE_MS1_P2_29_22 0x45ff
+#define AWE_MS1_P3_07_00 0x46ff
+#define AWE_MS1_P3_15_08 0x47ff
+#define AWE_MS1_P3_23_16 0x48ff
+#define AWE_MS1_P3_29_24 0x493f
+
+#define AWE_MS2_FRCTL 0x4a60 /* different name? */
+#define AWE_MS2_FIDDIS 0x4a10
+#define AWE_MS2_SSMODE 0x4a0C
+#define AWE_MS2_PHIDCT 0x4a03
+#define AWE_MS2_P1_07_00 0x4bff
+#define AWE_MS2_P1_15_08 0x4cff
+#define AWE_MS2_P1_17_16 0x4d03
+#define AWE_MS2_P2_05_00 0x4dfc
+#define AWE_MS2_P2_13_06 0x4eff
+#define AWE_MS2_P2_21_14 0x4fff
+#define AWE_MS2_P2_29_22 0x50ff
+#define AWE_MS2_P3_07_00 0x51ff
+#define AWE_MS2_P3_15_08 0x52ff
+#define AWE_MS2_P3_23_16 0x53ff
+#define AWE_MS2_P3_29_24 0x543f
+
+#define AWE_MS3_FIDCT 0x5560
+#define AWE_MS3_FIDDIS 0x5510
+#define AWE_MS3_SSMODE 0x550C
+#define AWE_MS3_PHIDCT 0x5503
+#define AWE_MS3_P1_07_00 0x56ff
+#define AWE_MS3_P1_15_08 0x57ff
+#define AWE_MS3_P1_17_16 0x5803
+#define AWE_MS3_P2_05_00 0x58fc
+#define AWE_MS3_P2_13_06 0x59ff
+#define AWE_MS3_P2_21_14 0x5aff
+#define AWE_MS3_P2_29_22 0x5bff
+#define AWE_MS3_P3_07_00 0x5cff
+#define AWE_MS3_P3_15_08 0x5dff
+#define AWE_MS3_P3_23_16 0x5eff
+#define AWE_MS3_P3_29_24 0x5f3f
+
+#define AWE_MSN_P1_07_00 0x61ff
+#define AWE_MSN_P1_15_08 0x62ff
+#define AWE_MSN_P1_17_16 0x6303
+#define AWE_MSN_P2_05_00 0x63fc
+#define AWE_MSN_P2_13_06 0x64ff
+#define AWE_MSN_P2_21_14 0x65ff
+#define AWE_MSN_P2_29_22 0x66ff
+#define AWE_MSN_P3_07_00 0x67ff
+#define AWE_MSN_P3_15_08 0x68ff
+#define AWE_MSN_P3_23_16 0x69ff
+#define AWE_MSN_P3_29_24 0x6a3f
+
+
+static void si5338_init_of(struct i2c_client *client);
+
......@@ -1004,6 +1101,9 @@ Index: git/drivers/misc/si5338.c
+static ssize_t in_mux_show (struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t in_mux_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t in_mux_txt_show (struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t fb_mux_show (struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t fb_mux_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t fb_mux_txt_show (struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t in_pfd_ref_show (struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t in_pfd_ref_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t in_pfd_ref_txt_show (struct device *dev, struct device_attribute *attr, char *buf);
......@@ -1012,13 +1112,53 @@ Index: git/drivers/misc/si5338.c
+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 _msx_p123_show(struct device *dev, struct device_attribute *attr, char *buf, int chn);
+static ssize_t _msx_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count, int chn);
+static ssize_t _msx_abc_show(struct device *dev, struct device_attribute *attr, char *buf, int chn);
+static ssize_t _msx_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count, int chn);
+static ssize_t ms0_p123_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms0_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t ms0_abc_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms0_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t ms1_p123_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms1_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t ms1_abc_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms1_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t ms2_p123_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms2_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t ms2_abc_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms2_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t ms3_p123_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms3_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t ms3_abc_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t ms3_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t msn_p123_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t msn_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t msn_abc_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t msn_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t pll_freq_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t _pll_freq_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count,int int_div, int by_out);
+static ssize_t pll_freq_fract_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t pll_freq_int_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t pll_by_out_fract_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+static ssize_t pll_by_out_int_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
+
+
+/* -------------------------------------- */
+static int ms_to_p123(u64* ms,u32 * p123);
+static int p123_to_ms(u64* ms,u32 * p123);
+static int get_ms_p123(struct i2c_client *client,u32 * p123, int chn); /* chn 0,1,2,3,4 (4 - msn) */
+static int set_ms_p123(struct i2c_client *client,u32 * p123, int chn); /* chn 0,1,2,3,4 (4 - msn) */
+static int set_pll_freq(struct i2c_client *client, u64 *vco_freq, int int_div);
+static int get_pll_freq(struct i2c_client *client,u64 * pll_freq);
+static int set_pll_freq_by_out(struct i2c_client *client, u64 *out_freq, int int_msn_div);
+
+
+static s64 get_pll_in_frequency(struct i2c_client *client);
+static int set_in_mux(struct i2c_client *client, int data);
+static int get_in_mux(struct i2c_client *client);
+static int set_fb_mux(struct i2c_client *client, int data);
+static int get_fb_mux(struct i2c_client *client);
+static int set_in_pdiv(struct i2c_client *client, int div, int chn); /*chn =0,1 */
+static int get_in_pdiv(struct i2c_client *client, int chn); /*chn =0,1 */
+static int set_in_pfd_ref_fb(struct i2c_client *client, u8 val, int chn); /*chn =0 - ref, 1 - fb*/
......@@ -1027,8 +1167,8 @@ Index: git/drivers/misc/si5338.c
+static u64 get_in_frequency(struct i2c_client *client);
+
+
+static s64 read_multireg64 (struct i2c_client *client, int awel, u32 * awe);
+static int write_multireg64 (struct i2c_client *client, u64 data, int awel, u32 * awe);
+static s64 read_multireg64 (struct i2c_client *client, u32 * awe);
+static int write_multireg64 (struct i2c_client *client, u64 data, u32 * awe);
+static int read_field (struct i2c_client *client, u32 awe);
+static int write_field (struct i2c_client *client, u8 data, u32 awe);
+static int write_adwe(struct i2c_client *client, u32 adwe);
......@@ -1062,12 +1202,13 @@ Index: git/drivers/misc/si5338.c
+
+//static DEVICE_ATTR(xtal_freq, SYSFS_PERMISSIONS, input_xtal_freq_show, input_xtal_freq_store);
+static DEVICE_ATTR(xtal_freq_txt, SYSFS_PERMISSIONS & SYSFS_READONLY, input_xtal_freq_txt_show, NULL);
+
+static DEVICE_ATTR(in_frequency, SYSFS_PERMISSIONS, in_frequency_show, in_frequency_store);
+static DEVICE_ATTR(in_p1_div, SYSFS_PERMISSIONS, in_p1_div_show, in_p1_div_store);
+static DEVICE_ATTR(in_p2_div, SYSFS_PERMISSIONS, in_p2_div_show, in_p2_div_store);
+static DEVICE_ATTR(in_mux, SYSFS_PERMISSIONS, in_mux_show, in_mux_store);
+static DEVICE_ATTR(in_mux_txt, SYSFS_PERMISSIONS & SYSFS_READONLY, in_mux_txt_show, NULL);
+static DEVICE_ATTR(fb_mux, SYSFS_PERMISSIONS, fb_mux_show, fb_mux_store);
+static DEVICE_ATTR(fb_mux_txt, SYSFS_PERMISSIONS & SYSFS_READONLY, fb_mux_txt_show, NULL);
+static DEVICE_ATTR(in_pfd_ref, SYSFS_PERMISSIONS, in_pfd_ref_show, in_pfd_ref_store);
+static DEVICE_ATTR(in_pfd_ref_txt, SYSFS_PERMISSIONS & SYSFS_READONLY, in_pfd_ref_txt_show, NULL);
+static DEVICE_ATTR(in_pfd_fb, SYSFS_PERMISSIONS, in_pfd_fb_show, in_pfd_fb_store);
......@@ -1083,6 +1224,8 @@ Index: git/drivers/misc/si5338.c
+ &dev_attr_in_p2_div.attr,
+ &dev_attr_in_mux.attr,
+ &dev_attr_in_mux_txt.attr,
+ &dev_attr_fb_mux.attr,
+ &dev_attr_fb_mux_txt.attr,
+ &dev_attr_in_pfd_ref.attr,
+ &dev_attr_in_pfd_ref_txt.attr,
+ &dev_attr_in_pfd_fb.attr,
......@@ -1096,14 +1239,60 @@ Index: git/drivers/misc/si5338.c
+ .name = "input",
+};
+
+static DEVICE_ATTR(ms0_p123, SYSFS_PERMISSIONS, ms0_p123_show, ms0_p123_store);
+static DEVICE_ATTR(ms0_abc, SYSFS_PERMISSIONS, ms0_abc_show, ms0_abc_store);
+static DEVICE_ATTR(ms1_p123, SYSFS_PERMISSIONS, ms1_p123_show, ms1_p123_store);
+static DEVICE_ATTR(ms1_abc, SYSFS_PERMISSIONS, ms1_abc_show, ms1_abc_store);
+static DEVICE_ATTR(ms2_p123, SYSFS_PERMISSIONS, ms2_p123_show, ms2_p123_store);
+static DEVICE_ATTR(ms2_abc, SYSFS_PERMISSIONS, ms2_abc_show, ms2_abc_store);
+static DEVICE_ATTR(ms3_p123, SYSFS_PERMISSIONS, ms3_p123_show, ms3_p123_store);
+static DEVICE_ATTR(ms3_abc, SYSFS_PERMISSIONS, ms3_abc_show, ms3_abc_store);
+static DEVICE_ATTR(msn_p123, SYSFS_PERMISSIONS, msn_p123_show, msn_p123_store);
+static DEVICE_ATTR(msn_abc, SYSFS_PERMISSIONS, msn_abc_show, msn_abc_store);
+
+static struct attribute *multisynth_attrs[] = {
+ &dev_attr_ms0_p123.attr,
+ &dev_attr_ms0_abc.attr,
+ &dev_attr_ms1_p123.attr,
+ &dev_attr_ms1_abc.attr,
+ &dev_attr_ms2_p123.attr,
+ &dev_attr_ms2_abc.attr,
+ &dev_attr_ms3_p123.attr,
+ &dev_attr_ms3_abc.attr,
+ &dev_attr_msn_p123.attr,
+ &dev_attr_msn_abc.attr,
+ NULL
+};
+static const struct attribute_group dev_attr_multisynth_group = {
+ .attrs = multisynth_attrs,
+ .name = "multiSynth",
+};
+static DEVICE_ATTR(pll_freq_fract, SYSFS_PERMISSIONS, pll_freq_show, pll_freq_fract_store);
+static DEVICE_ATTR(pll_freq_int, SYSFS_PERMISSIONS, pll_freq_show, pll_freq_int_store);
+static DEVICE_ATTR(pll_by_out_fract,SYSFS_PERMISSIONS, pll_freq_show, pll_by_out_fract_store);
+static DEVICE_ATTR(pll_by_out_int, SYSFS_PERMISSIONS, pll_freq_show, pll_by_out_int_store);
+
+
+static struct attribute *pll_dev_attrs[] = {
+ &dev_attr_pll_ref_frequency.attr,
+ &dev_attr_pll_freq_fract.attr,
+ &dev_attr_pll_freq_int.attr,
+ &dev_attr_pll_by_out_fract.attr,
+ &dev_attr_pll_by_out_int.attr,
+ NULL
+};
+
+static const struct attribute_group dev_attr_pll_group = {
+ .attrs = pll_dev_attrs,
+ .name = "pll",
+};
+
+static const struct i2c_device_id si5338_id[] = {
+ { "si5338", 0 },
+ { }
+};
+
+
+struct si5338_data_t {
+ u64 input_frequency;
+ u64 pll_frequency;
......@@ -1121,6 +1310,8 @@ Index: git/drivers/misc/si5338.c
+ if (&dev->kobj) {
+ if (((retval = sysfs_create_group(&dev->kobj, &dev_attr_raw_group)))<0) return retval;
+ if (((retval = sysfs_create_group(&dev->kobj, &dev_attr_input_group)))<0) return retval;
+ 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;
+ }
+ return retval;
+}
......@@ -1347,6 +1538,30 @@ Index: git/drivers/misc/si5338.c
+ if (((data=get_in_mux(client)))<0) return data;
+ return sprintf(buf, "%s\n",mux_txt[data]);
+}
+static ssize_t fb_mux_show (struct device *dev, struct device_attribute *attr, char *buf)
+{
+ int data;
+ struct i2c_client *client = to_i2c_client(dev);
+ if (((data=get_fb_mux(client)))<0) return data;
+ return sprintf(buf, "%d\n",data);
+}
+static ssize_t fb_mux_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int data,rc;
+ sscanf(buf, "%d", &data);
+ if (((rc=set_fb_mux(client, data)))<0) return rc;
+ return count;
+}
+static ssize_t fb_mux_txt_show (struct device *dev, struct device_attribute *attr, char *buf)
+{
+ const char *mux_fb_txt[]={"IN5/IN6(diff)","IN4(single ended)","No clock"};
+ int data;
+ struct i2c_client *client = to_i2c_client(dev);
+ if (((data=get_fb_mux(client)))<0) return data;
+ return sprintf(buf, "%s\n",mux_fb_txt[data]);
+}
+
+static ssize_t in_pfd_ref_show (struct device *dev, struct device_attribute *attr, char *buf)
+{
+ int data;
......@@ -1402,10 +1617,407 @@ 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 _msx_p123_show(struct device *dev, struct device_attribute *attr, char *buf, int chn)
+{
+ int rc;
+ u32 p123[3];
+ struct i2c_client *client = to_i2c_client(dev);
+ if (((rc=get_ms_p123(client,p123, chn)))<0) return rc;
+// return sprintf(buf, "%ld %ld %ld\n",p123[0],p123[1],p123[2]);
+ return sprintf(buf, "%u %u %u\n",p123[0],p123[1],p123[2]);
+}
+static ssize_t _msx_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count,int chn)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int rc;
+ u32 p123[3];
+ int num_items;
+// num_items=sscanf(buf, "%ld %ld %ld", &p123[0], &p123[1], &p123[2]);
+ num_items=sscanf(buf, "%u %u %u", &p123[0], &p123[1], &p123[2]);
+ if (num_items<3){
+ p123[1]=0;
+ p123[2]=1;
+ }
+ if (((rc=set_ms_p123(client,p123, chn)))<0) return rc;
+ return count;
+}
+static ssize_t _msx_abc_show(struct device *dev, struct device_attribute *attr, char *buf, int chn)
+{
+ int rc;
+ u32 p123[3];
+ u64 ms[3];
+ struct i2c_client *client = to_i2c_client(dev);
+ if (((rc=get_ms_p123(client,p123, chn)))<0) return rc;
+ p123_to_ms(ms,p123);
+ return sprintf(buf, "%lld %lld %lld\n",ms[0],ms[1],ms[2]);
+}
+static ssize_t _msx_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count,int chn)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int rc;
+ u32 p123[3];
+ u64 ms[3];
+ int num_items;
+ num_items=sscanf(buf, "%lld %lld %lld", &ms[0], &ms[1], &ms[2]);
+ if (num_items<3){
+ ms[1]=0;
+ ms[2]=1;
+ }
+ ms_to_p123(ms,p123);
+ if (((rc=set_ms_p123(client,p123, chn)))<0) return rc;
+ return count;
+}
+static ssize_t ms0_p123_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_p123_show(dev, attr, buf, 0);}
+static ssize_t ms0_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_p123_store(dev, attr, buf, count,0);}
+static ssize_t ms0_abc_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_abc_show(dev, attr, buf, 0);}
+static ssize_t ms0_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_abc_store(dev, attr, buf, count,0);}
+
+static ssize_t ms1_p123_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_p123_show(dev, attr, buf, 1);}
+static ssize_t ms1_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_p123_store(dev, attr, buf, count,1);}
+static ssize_t ms1_abc_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_abc_show(dev, attr, buf, 1);}
+static ssize_t ms1_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_abc_store(dev, attr, buf, count,1);}
+
+static ssize_t ms2_p123_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_p123_show(dev, attr, buf, 2);}
+static ssize_t ms2_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_p123_store(dev, attr, buf, count,2);}
+static ssize_t ms2_abc_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_abc_show(dev, attr, buf, 2);}
+static ssize_t ms2_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_abc_store(dev, attr, buf, count,2);}
+
+static ssize_t ms3_p123_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_p123_show(dev, attr, buf, 3);}
+static ssize_t ms3_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_p123_store(dev, attr, buf, count,3);}
+static ssize_t ms3_abc_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_abc_show(dev, attr, buf, 3);}
+static ssize_t ms3_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_abc_store(dev, attr, buf, count,3);}
+
+static ssize_t msn_p123_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_p123_show(dev, attr, buf, 4);}
+static ssize_t msn_p123_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_p123_store(dev, attr, buf, count,4);}
+static ssize_t msn_abc_show(struct device *dev, struct device_attribute *attr, char *buf)
+ {return _msx_abc_show(dev, attr, buf, 4);}
+static ssize_t msn_abc_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _msx_abc_store(dev, attr, buf, count,4);}
+static ssize_t pll_freq_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ int rc;
+ u64 pll_freq[3];
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (((rc=get_pll_freq(client,pll_freq)))<0) return rc;
+ return sprintf(buf, "%lld %lld %lld\n",pll_freq[0],pll_freq[1],pll_freq[2]);
+}
+
+static ssize_t _pll_freq_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count,int int_div, int by_out)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int rc;
+ u64 freq[3];
+ int num_items;
+ num_items=sscanf(buf, "%lld %lld %lld", &freq[0], &freq[1], &freq[2]);
+ if (num_items<3){
+ freq[1]=0;
+ freq[2]=1;
+ }
+ if (by_out) {
+ if (((rc=set_pll_freq_by_out(client, freq, int_div)))<0) return rc;
+ } else {
+ if (((rc=set_pll_freq (client, freq, int_div)))<0) return rc;
+ }
+ return count;
+}
+static ssize_t pll_freq_fract_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _pll_freq_store(dev, attr, buf, count, 0, 0);}
+static ssize_t pll_freq_int_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _pll_freq_store(dev, attr, buf, count, 1, 0);}
+static ssize_t pll_by_out_fract_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _pll_freq_store(dev, attr, buf, count, 0, 1);}
+static ssize_t pll_by_out_int_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+ {return _pll_freq_store(dev, attr, buf, count, 1, 1);}
+
+/* -------------------------------------- */
+
+
+/* -----------PLL section--------------------------- */
+/* Setting PLL frequency in 3 ways:
+ * 1 - specified directly, allow fractional MSN
+ * 2 - specified directly, integer MSN
+ * 3 - specified by output frequency, integer MSN
+ */
+static u32 awe_msx[5][3][5]=
+ {{{AWE_MS0_P1_07_00, AWE_MS0_P1_15_08, AWE_MS0_P1_17_16, 0, 0},
+ {AWE_MS0_P2_05_00, AWE_MS0_P2_13_06, AWE_MS0_P2_21_14, AWE_MS0_P2_29_22, 0},
+ {AWE_MS0_P3_07_00, AWE_MS0_P3_15_08, AWE_MS0_P3_23_16, AWE_MS0_P3_29_24, 0}},
+ {{AWE_MS1_P1_07_00, AWE_MS1_P1_15_08, AWE_MS1_P1_17_16, 0, 0},
+ {AWE_MS1_P2_05_00, AWE_MS1_P2_13_06, AWE_MS1_P2_21_14, AWE_MS1_P2_29_22, 0},
+ {AWE_MS1_P3_07_00, AWE_MS1_P3_15_08, AWE_MS1_P3_23_16, AWE_MS1_P3_29_24, 0}},
+ {{AWE_MS2_P1_07_00, AWE_MS2_P1_15_08, AWE_MS2_P1_17_16, 0, 0},
+ {AWE_MS2_P2_05_00, AWE_MS2_P2_13_06, AWE_MS2_P2_21_14, AWE_MS2_P2_29_22, 0},
+ {AWE_MS2_P3_07_00, AWE_MS2_P3_15_08, AWE_MS2_P3_23_16, AWE_MS2_P3_29_24, 0}},
+ {{AWE_MS3_P1_07_00, AWE_MS3_P1_15_08, AWE_MS3_P1_17_16, 0, 0},
+ {AWE_MS3_P2_05_00, AWE_MS3_P2_13_06, AWE_MS3_P2_21_14, AWE_MS3_P2_29_22, 0},
+ {AWE_MS3_P3_07_00, AWE_MS3_P3_15_08, AWE_MS3_P3_23_16, AWE_MS3_P3_29_24, 0}},
+ {{AWE_MSN_P1_07_00, AWE_MSN_P1_15_08, AWE_MSN_P1_17_16, 0, 0},
+ {AWE_MSN_P2_05_00, AWE_MSN_P2_13_06, AWE_MSN_P2_21_14, AWE_MSN_P2_29_22, 0},
+ {AWE_MSN_P3_07_00, AWE_MSN_P3_15_08, AWE_MSN_P3_23_16, AWE_MSN_P3_29_24, 0}}};
+
+static int ms_to_p123(u64* ms,u32 * p123)
+{
+ /*
+ * a=ms[0],b=ms[1],c=ms[2] ms~=a+b/c
+ * p1=floor(((a*c+b)*128)/c -512)
+ * p2=mod((b*128),c)
+ * p3=c
+ */
+ u64 d;
+ u64 ms_denom=ms[2], ms_nom=ms[1], ms_int=ms[0];
+ while (ms_denom >= (1<<30)) { /* will not happen with current frequency values specified in integer Hz */
+ ms_denom >>= 1;
+ ms_nom >>= 1;
+ }
+ if ((ms_nom==0) || (ms_denom==0)){
+ ms_denom = 1;
+ ms_nom = 0;
+ }
+ d= (ms_int * ms_denom + ms_nom)<<7;
+ p123[0]= (u32) (div64_u64(d,ms_denom) -512);
+ d=div64_u64((ms_nom<<7),ms_denom);
+ p123[1]= (u32) ((ms_nom<<7)-d*ms_denom);
+ p123[2]=ms_denom;
+ return 0;
+}
+static int p123_to_ms(u64* ms,u32 * p123)
+{
+ /* a=ms[0],b=ms[1],c=ms[2] ms~=a+b/c
+ * p1=floor(((a*c+b)*128)/c -512)
+ * p2=mod((b*128),c)
+ * p3=c
+ * ---
+ * b*128=k*c +p2; k<128, p2<c
+ * p1=floor(((a*c+b)*128)/c -512)=a*128 + floor((b*128)/c) -512 = a*128+ k -512
+ * k=mod (p1,128) =p1 & 0x7f
+ * c= p3
+ * b= (k*c + p2)/128= ((p1 & 0x7f)*p3 + p2) >>7
+ * a= (p1+512)>>7=(p1>>7)+4
+ *
+ */
+ ms[2]=p123[2]; /* c= p3 */
+ ms[1]=(ms[2]*(p123[0] & 0x7f) + p123[1]) >>7; /* b= (c*(p1 & 0x7f) + p2) >>7 */
+ ms[0]=(p123[0]>>7)+4; /* a= (p1>>7)+4 */
+ return 0;
+}
+
+
+static int get_ms_p123(struct i2c_client *client,u32 * p123, int chn) /* chn 0,1,2,3,4 (4 - msn) */
+{
+ int i;
+ s64 rc;
+ for (i=0;i<3;i++){
+ if (((rc=read_multireg64 (client, awe_msx[chn][i])))<0) return (int) rc;
+ p123[i]= (u32) rc;
+ }
+ return 0;
+}
+static int set_ms_p123(struct i2c_client *client,u32 * p123, int chn) /* chn 0,1,2,3,4 (4 - msn) */
+{
+ int i,rc;
+ for (i=0;i<3;i++){
+ if (((rc=write_multireg64(client, (u64) p123[i], awe_msx[chn][i])))<0) return rc;
+ }
+ return 0;
+}
+
+static int set_pll_freq(struct i2c_client *client, u64 *vco_freq, int int_div)
+{
+ s64 pll_in_freq, pll_in_freq_scaled,pll_out_freq_scaled,d;
+ u32 msn_p123[3];
+ u64 msn[]={0,0,1};
+ s64 vco_int=vco_freq[0],vco_nom=vco_freq[1],vco_denom=vco_freq[2];
+ if ((vco_nom==0) || (vco_denom==0)){
+ vco_nom=0;
+ vco_denom=1;
+ }
+ if (vco_nom>=vco_denom){ /* normalize */
+ d=div64_u64(vco_nom,vco_denom);
+ vco_int+=d;
+ vco_nom-=d*vco_denom;
+ }
+ if (vco_int < FVCOMIN){
+ dev_err(&client->dev, "Specified PLL frequency is too low: %llu < %llu\n",vco_int, FVCOMIN);
+ return - EINVAL;
+ }
+ if (vco_int > FVCOMAX){
+ dev_err(&client->dev, "Specified PLL frequency is too high: %llu > %llu\n",vco_int, FVCOMAX);
+ return - EINVAL;
+ }
+
+ pll_in_freq=get_pll_in_frequency(client);
+ if (pll_in_freq<0) return (int) pll_in_freq;
+ pll_in_freq_scaled=pll_in_freq*vco_denom;
+// pll_out_freq_scaled=pll_out_freq*vco_denom;
+ pll_out_freq_scaled=vco_int*vco_denom+vco_nom;
+ msn[0]=div64_u64(pll_out_freq_scaled,pll_in_freq_scaled);
+ msn[1]=pll_out_freq_scaled-pll_in_freq_scaled*msn[0];
+ msn[2]=pll_in_freq_scaled;
+ while (msn[2] >= (1<<30)) { /* trim */
+ msn[2] >>= 1;
+ msn[1] >>= 1;
+ }
+
+ if (msn[0] < MSINT_MIN){
+ dev_err(&client->dev, "Calculated MSN ratio is too low: %llu < %u\n",msn[0], MSINT_MIN);
+ return - EINVAL;
+ }
+ if (msn[0] > MSINT_MAX){
+ dev_err(&client->dev, "Calculated MSN ratio is too high: %llu > %u\n",msn[0], MSINT_MAX);
+ return - EINVAL;
+ }
+ if (int_div){
+ if (msn[1]>=(msn[2]>>1)) msn[0]++; // round
+ msn[1] = 0;
+ msn[2] = 1;
+ }
+ ms_to_p123(msn, msn_p123);
+ return set_ms_p123(client,msn_p123, 4); // MSN
+}
+
+static int get_pll_freq(struct i2c_client *client,u64 * pll_freq)
+{
+ int rc;
+ s64 pll_in_freq;
+ u32 p123[3];
+ s64 d;
+ pll_in_freq=get_pll_in_frequency(client);
+ if (pll_in_freq<=0) return (int) pll_in_freq;
+ if (((rc=get_ms_p123(client,p123,4)))<0) return rc; /* channel4 - MSN */
+ p123_to_ms(pll_freq,p123);
+ if (pll_freq[2]<=0) return -EINVAL; /* 0 denominator */
+ pll_freq[0]*=pll_in_freq;
+ pll_freq[1]*=pll_in_freq;
+ if (pll_freq[1]>=pll_freq[0]){ /* normalize */
+ d=div64_u64(pll_freq[1],pll_freq[2]);
+ pll_freq[0]+=d;
+ pll_freq[1]-=d*pll_freq[2];
+ }
+ return 0;
+}
+
+
+
+/*
+ * Calculate pll output frequency to match specified output frequency
+ * out_freq as int,nom,denom
+ */
+static int set_pll_freq_by_out(struct i2c_client *client, u64 *out_freq, int int_msn_div)
+{
+ /* use r-divider if the output frequency is too low (less than 5 MHz) */
+ u64 out_int=out_freq[0],out_nom=out_freq[1],out_denom=out_freq[2],
+ pll_out_freq[3], scaled_max,scaled_min;
+ s64 pll_freq_scaled, out_freq_scaled,err,best_err=-1,out_div,pll_in_freq,in_div,best_in_div,
+ pll_in_freq_scaled,synth_out_scaled;
+ int r_div=1;
+ if (out_denom<out_nom){
+ dev_err(&client->dev, "Nominator (%lld) should be less than denominator (%lld)\n",
+ out_nom,out_denom);
+ return -EINVAL;
+ }
+ if (out_int<(FVCOMAX/MSINT_MAX)){
+ while ((r_div < 32) && (out_int<(FVCOMAX/MSINT_MAX))){
+ out_int<<=1;
+ out_nom<<=1;
+ r_div<<=1;
+ if (out_nom>out_denom) {
+ out_int++;
+ out_nom-=out_denom;
+ }
+
+ }
+ if (out_int<(FVCOMAX/MSINT_MAX)){
+ dev_err(&client->dev, "Specified output frequency is too low: %lld < %lld\n",
+ out_freq[0], FVCOMAX/MSINT_MAX/32);
+ return -EINVAL;
+ }
+ }
+ dev_dbg(&client->dev, "Output divider by %u, Output frequency before divider: %llu+%llu/%llu Hz\n",
+ r_div,out_int, out_nom,out_denom);
+
+ out_freq_scaled=out_int*out_denom+out_nom;
+ scaled_max=FVCOMAX*out_denom;
+ scaled_min=FVCOMIN*out_denom;
+ if (int_msn_div==0){
+ out_div=div64_u64( (FVCOMAX+FVCOMIN/2)*out_denom+(out_freq_scaled>>1),out_freq_scaled);
+ if ((out_div==7) || (out_div==5) || (out_div==3)){
+ if (out_freq_scaled*(out_div+1)<scaled_max){
+ out_div++;
+ } else if ((out_div>4) && (out_freq_scaled*(out_div-1)>scaled_min)){
+ out_div--;
+ } else {
+ out_div=0;
+ }
+ }
+ if ((out_div<4) || (out_div > MSINT_MAX) ||
+ (out_freq_scaled*out_div < scaled_min) ||
+ (out_freq_scaled*out_div > scaled_max)){
+ dev_err(&client->dev, "Can not find suitable divisor for output frequency %lld+%lld/%lld Hz\n",
+ out_int, out_nom,out_denom);
+ return -EINVAL;
+ }
+// pll_out_freq=div64_u64(out_freq_scaled*out_div+(out_denom>>1),out_denom);
+ pll_out_freq[0]=div64_u64(out_freq_scaled*out_div,out_denom);
+ pll_out_freq[1]=(out_freq_scaled*out_div)-pll_out_freq[0]*out_denom;
+ pll_out_freq[2]=out_denom;
+
+ dev_dbg(&client->dev, "PLL output divider by %llu, pll frequency: %llu+%llu/%llu Hz\n",
+ out_div,pll_out_freq[0],pll_out_freq[1],pll_out_freq[2]);
+ return set_pll_freq(client, pll_out_freq, 0);
+ } else { /* if (int_msn_div==0), find the best pair of integer coefficients */
+ pll_in_freq=get_pll_in_frequency(client);
+ pll_in_freq_scaled=pll_in_freq*out_denom;
+ if (pll_in_freq<0) return (int) pll_in_freq;
+ best_in_div=0;
+ for (out_div=4;out_div<=MSINT_MAX;out_div++) if ((out_div!=5) && (out_div!=7)){
+ pll_freq_scaled=out_freq_scaled*out_div; /* here scaled by denominator */
+ if ((pll_freq_scaled>=scaled_min) && (pll_freq_scaled<=scaled_max)) {
+ in_div=div64_u64(pll_freq_scaled+(pll_in_freq_scaled>>1),pll_in_freq_scaled); // round
+ synth_out_scaled=div64_u64(pll_in_freq_scaled*in_div+ (out_div>>1),out_div);
+ err=synth_out_scaled-out_freq_scaled;
+ if (err<0) err=-err;
+ if ((best_in_div==0) || (err < best_err)){
+ best_err=err;
+ best_in_div=in_div;
+ }
+ }
+ }
+ if (best_in_div==0){
+ dev_err(&client->dev, "Failed to find suitable integer coefficients for pll input %lld Hz\n",
+ pll_in_freq);
+
+ }
+// pll_out_freq=div64_u64(pll_in_freq_scaled*best_in_div+(out_denom>>1),out_denom);
+ pll_out_freq[0]=div64_u64(pll_in_freq_scaled*best_in_div,out_denom);
+ pll_out_freq[1]=(pll_in_freq_scaled*best_in_div)-pll_out_freq[0]*out_denom;
+ pll_out_freq[2]=out_denom;
+ dev_dbg(&client->dev, "PLL output frequency: %llu+%llu/%llu Hz, MS input divider: %lld, MS output divider: %lld\n",
+ pll_out_freq[0],pll_out_freq[1],pll_out_freq[2], best_in_div, out_div);
+ return set_pll_freq(client, pll_out_freq, 0); /* integer result */
+ }
+}
+
+
+
+/* ----------- Input section ----------------- */
+
+static s64 get_pll_in_frequency(struct i2c_client *client)
+{
......@@ -1440,6 +2052,30 @@ Index: git/drivers/misc/si5338.c
+{
+ return read_field(client,AWE_IN_MUX );
+}
+
+static int set_fb_mux(struct i2c_client *client, int data)
+{
+ int data1,rc;
+ switch (data) {
+ case 0: data1=0; break;
+ case 1: data1=1; break;
+ case 2: data1=0; break;
+ default:
+ dev_err(&client->dev, "Invalid value for feedback multiplexer %d\n",data);
+ return - EINVAL;
+ }
+ if (((rc=write_field (client, data, AWE_FB_MUX )))<0) return rc;
+ if (((rc=write_field (client, data1, AWE_FB_MUX1)))<0) return rc;
+ return 0;
+}
+
+static int get_fb_mux(struct i2c_client *client)
+{
+ return read_field(client,AWE_IN_MUX );
+}
+
+
+
+static const u8 in_div_values[]={1,2,4,8,16,32};
+static int set_in_pdiv(struct i2c_client *client, int div, int chn) /*chn =0,1 */
+{
......@@ -1506,15 +2142,15 @@ Index: git/drivers/misc/si5338.c
+ return clientdata->input_frequency;
+}
+
+/* -------------------------------------- */
+/* ----------- General ----------------- */
+
+static s64 read_multireg64 (struct i2c_client *client, int awel, u32 * awe)
+static s64 read_multireg64 (struct i2c_client *client, u32 * awe)
+{
+ int i,nshift,nbits, full_shift=0;
+ u8 mask;
+ u16 reg;
+ s64 data=0, rc;
+ for (i=0;i<awel;i++){
+ for (i=0;awe[i]!=0;i++){
+ reg=awe[i]>>8;
+ mask=awe[i]&0xff;
+ if (mask!=0){
......@@ -1534,12 +2170,12 @@ Index: git/drivers/misc/si5338.c
+}
+
+
+static int write_multireg64 (struct i2c_client *client, u64 data, int awel, u32 * awe)
+static int write_multireg64 (struct i2c_client *client, u64 data, u32 * awe)
+{
+ int i,rc,nshift,nbits;
+ u8 mask,reg_data;
+ u16 reg;
+ for (i=0;i<awel;i++){
+ for (i=0;awe[i]!=0;i++){
+ reg=awe[i]>>8;
+ mask=awe[i]&0xff;
+ if (mask!=0){
......@@ -1585,6 +2221,7 @@ Index: git/drivers/misc/si5338.c
+ reg_data=(data & 0xff) << nshift;
+ if (((rc=write_reg(client, reg, reg_data, mask)))<0) return rc;
+ }
+ return 0;
+}
+
+
......@@ -1630,7 +2267,7 @@ Index: git/drivers/misc/si5338.c
+ int rc,page;
+ struct si5338_data_t *clientdata = i2c_get_clientdata(client);
+ page=(reg >> 8) & REG5338_PAGE_MASK;
+ dev_dbg(&client->dev,"reading i2c device : slave=0x%x, reg=0x%x page=0x%x, last_page=0x%x\n",(int) (client->addr),reg,page,clientdata->last_page);
+// dev_dbg(&client->dev,"reading i2c device : slave=0x%x, reg=0x%x page=0x%x, last_page=0x%x\n",(int) (client->addr),reg,page,clientdata->last_page);
+ if (clientdata && (reg!=REG5338_PAGE) && (page != clientdata->last_page)) { /* set page if needed */
+ if (((rc=_write_single_reg(client, REG5338_PAGE, page)))<0) return rc;
+ }
......@@ -1700,31 +2337,20 @@ Index: git/drivers/misc/si5338.c
+ dev_info(&client->dev,"Found '%s', value = %d (0x%x)\n","si5338,in_mux",(int)(be32_to_cpup(config_data)),(int)(be32_to_cpup(config_data)));
+ set_in_mux(client, be32_to_cpup(config_data));
+ }
+ config_data = of_get_property(client->dev.of_node, "si5338,fb_mux", &len);
+ if (config_data && (len>0)) {
+ dev_info(&client->dev,"Found '%s', value = %d (0x%x)\n","si5338,fb_mux",(int)(be32_to_cpup(config_data)),(int)(be32_to_cpup(config_data)));
+ set_fb_mux(client, be32_to_cpup(config_data));
+ }
+ config_data = of_get_property(client->dev.of_node, "si5338,in_frequency", &len);
+ if (config_data && (len>0)) {
+ dev_info(&client->dev,"Found '%s', value = %d (0x%x)\n","si5338,in_frequency",(int)(be32_to_cpup(config_data)),(int)(be32_to_cpup(config_data)));
+ set_in_frequency(client, be32_to_cpup(config_data)); /* 32 bits are sufficient here */
+ }
+/*
+si5338 0-0070: Chip si5338 is found, driver version 1.0
+si5338 0-0070: Found 2 items in 'si5338,configuration_data' in the Device Tree
+si5338 0-0070: Invalid value for input multiplexer 16777216
+si5338 0-0070: Input frequency too high: 1081638145 > 710000000
+ */
+ } else {
+ dev_info(&client->dev,"Device tree data not found for %s\n",client->name);
+ }
+}
+#if 0
+si5338,in_pfd_ref=<0>; /* p1div_in (input divisors not used) */
+si5338,in_pfd_fb= <0>; /* unused */
+si5338,in_p1_div= <0>; /* unused */
+si5338,in_p2_div= <0>; /* unused */
+si5338,in_mux= <1>; /* in-3 */
+si5338,in_frequency= <25000000>; /* 25MHz */
+
+#endif
+
+
+static int si5338_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment