Commit 4c01ada9 authored by Andrey Filippov's avatar Andrey Filippov

Merge branch 'jtag' - just catching up

parents 6eaebefb 8c4013ba
...@@ -122,4 +122,9 @@ ...@@ -122,4 +122,9 @@
<resource resourceType="PROJECT" workspacePath="/linux-elphel"/> <resource resourceType="PROJECT" workspacePath="/linux-elphel"/>
</configuration> </configuration>
</storageModule> </storageModule>
<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings">
<doc-comment-owner id="org.eclipse.cdt.ui.doxygen">
<path value=""/>
</doc-comment-owner>
</storageModule>
</cproject> </cproject>
...@@ -2,7 +2,7 @@ ...@@ -2,7 +2,7 @@
<project> <project>
<configuration id="cdt.managedbuild.toolchain.gnu.base.1636449201" name="Default"> <configuration id="cdt.managedbuild.toolchain.gnu.base.1636449201" name="Default">
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider"> <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
<provider class="org.eclipse.cdt.core.language.settings.providers.LanguageSettingsGenericProvider" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider" name="CDT User Setting Entries" prefer-non-shared="true"/> <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/> <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
</extension> </extension>
</configuration> </configuration>
......
...@@ -9,5 +9,6 @@ obj-$(CONFIG_ELPHEL393_INIT) += elphel393-init.o ...@@ -9,5 +9,6 @@ obj-$(CONFIG_ELPHEL393_INIT) += elphel393-init.o
obj-$(CONFIG_ELPHEL393) += x393.o obj-$(CONFIG_ELPHEL393) += x393.o
obj-$(CONFIG_ELPHEL393) += sensor_i2c.o obj-$(CONFIG_ELPHEL393) += sensor_i2c.o
obj-$(CONFIG_ELPHEL393) += fpgajtag353.o obj-$(CONFIG_ELPHEL393) += fpgajtag353.o
obj-$(CONFIG_ELPHEL393) += clock10359.o
#fpgajtag-y := fpgajtag353.o x393.o #fpgajtag-y := fpgajtag353.o x393.o
#obj-$(CONFIG_ELPHEL393_EXTERNAL) += fpgajtag.o #obj-$(CONFIG_ELPHEL393_EXTERNAL) += fpgajtag.o
\ No newline at end of file
This diff is collapsed.
/*******************************************************************************
* FILE NAME : clock10359.h
* DESCRIPTION: Control of the CY22393 clock on the 10359 multiplexer connected
* to the sensor port
* Copyright 2002-2016 (C) Elphel, Inc.
* -----------------------------------------------------------------------------*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*******************************************************************************/
int x393_setClockFreq(int sensor_port, int nclock, int freq);
int x393_getClockFreq(int sensor_port, int nclock);
...@@ -11,7 +11,7 @@ ...@@ -11,7 +11,7 @@
*! *!
*! This program is free software: you can redistribute it and/or modify *! This program is free software: you can redistribute it and/or modify
*! it under the terms of the GNU General Public License as published by *! it under the terms of the GNU General Public License as published by
*! the Free Software Foundation, either version 3 of the License, or *! the Free Software Foundation, either version 2 of the License, or
*! (at your option) any later version. *! (at your option) any later version.
*! *!
*! This program is distributed in the hope that it will be useful, *! This program is distributed in the hope that it will be useful,
......
...@@ -7,7 +7,7 @@ ...@@ -7,7 +7,7 @@
*! *!
*! This program is free software: you can redistribute it and/or modify *! This program is free software: you can redistribute it and/or modify
*! it under the terms of the GNU General Public License as published by *! it under the terms of the GNU General Public License as published by
*! the Free Software Foundation, either version 3 of the License, or *! the Free Software Foundation, either version 2 of the License, or
*! (at your option) any later version. *! (at your option) any later version.
*! *!
*! This program is distributed in the hope that it will be useful, *! This program is distributed in the hope that it will be useful,
......
/*!*************************************************************************** /*!***************************************************************************
*! FILE NAME : elphel393-pwr.c *! FILE NAME : elphel393-pwr.c
*! DESCRIPTION: power supplies control on Elphel 10393 board *! DESCRIPTION: power supplies control on Elphel 10393 board
*! Copyright (C) 2013 Elphel, Inc. *! Copyright (C) 2013-2016 Elphel, Inc.
*! -----------------------------------------------------------------------------** *! -----------------------------------------------------------------------------**
*! *!
*! This program is free software: you can redistribute it and/or modify *! This program is free software: you can redistribute it and/or modify
*! it under the terms of the GNU General Public License as published by *! it under the terms of the GNU General Public License as published by
*! the Free Software Foundation, either version 3 of the License, or *! the Free Software Foundation, either version 2 of the License, or
*! (at your option) any later version. *! (at your option) any later version.
*! *!
*! This program is distributed in the hope that it will be useful, *! This program is distributed in the hope that it will be useful,
......
/*!*************************************************************************** /*!***************************************************************************
*! FILE NAME : fpgajtag353.c *! FILE NAME : fpgajtag353.c
*! DESCRIPTION: TBD *! DESCRIPTION: TBD
*! Copyright 2002-2007 (C) Elphel, Inc. *! Copyright 2002-20016 (C) Elphel, Inc.
*! -----------------------------------------------------------------------------** *! -----------------------------------------------------------------------------**
*! *!
*! This program is free software: you can redistribute it and/or modify *! This program is free software: you can redistribute it and/or modify
*! it under the terms of the GNU General Public License as published by *! it under the terms of the GNU General Public License as published by
*! the Free Software Foundation, either version 3 of the License, or *! the Free Software Foundation, either version 2 of the License, or
*! (at your option) any later version. *! (at your option) any later version.
*! *!
*! This program is distributed in the hope that it will be useful, *! This program is distributed in the hope that it will be useful,
...@@ -17,58 +17,6 @@ ...@@ -17,58 +17,6 @@
*! You should have received a copy of the GNU General Public License *! You should have received a copy of the GNU General Public License
*! along with this program. If not, see <http://www.gnu.org/licenses/>. *! along with this program. If not, see <http://www.gnu.org/licenses/>.
*! -----------------------------------------------------------------------------** *! -----------------------------------------------------------------------------**
*! $Log: fpgajtag353.c,v $
*! Revision 1.2 2011/05/20 21:36:52 elphel
*! typo fix
*!
*! Revision 1.1.1.1 2008/11/27 20:04:01 elphel
*!
*!
*! Revision 1.4 2008/09/22 22:55:48 elphel
*! snapshot
*!
*! Revision 1.3 2008/09/20 00:29:50 elphel
*! moved driver major/minor numbers to a single file - include/asm-cris/elphel/driver_numbers.h
*!
*! Revision 1.2 2008/09/16 00:49:31 elphel
*! snapshot
*!
*! Revision 1.2 2008/04/11 23:16:51 elphel
*! removed unneeded local_irq_disable() after local_irq_save_flags()
*!
*! Revision 1.1.1.1 2007/08/17 10:23:18 elphel
*! This is a fresh tree based on elphel353-2.10
*!
*! Revision 1.7 2007/08/17 10:23:18 spectr_rain
*! switch to GPL3 license
*!
*! Revision 1.6 2007/07/20 10:17:46 spectr_rain
*! *** empty log message ***
*!
*! Revision 1.5 2007/06/28 02:20:39 elphel
*! Slowed down sensor FPGA programming while working with long cables. Problem was different, so maybe that change may be undone.
*!
*! Revision 1.4 2007/05/21 21:23:50 elphel
*! remove compile-time warning
*!
*! Revision 1.3 2007/05/21 17:45:11 elphel
*! boundary scan support, added 359/347 detection
*!
*! Revision 1.2 2007/03/25 10:14:23 elphel
*! Accommodating 10359 board
*!
*! Revision 1.1.1.1 2007/02/23 10:11:48 elphel
*! initial import into CVS
*!
*! Revision 1.2 2005/05/10 21:08:49 elphel
*! *** empty log message ***
*!
TODO: replace static buffer (what a waste!)
I suspect "somebody" is is playing with portA during JTAG configuration.
To test that I'll use 256K static buffer, copy all the bitstream there,
disable interrupts and do the programming.
No debug with printk ...
*/ */
#undef DEBUG #undef DEBUG
/****************** INCLUDE FILES SECTION ***********************************/ /****************** INCLUDE FILES SECTION ***********************************/
...@@ -111,9 +59,9 @@ No debug with printk ... ...@@ -111,9 +59,9 @@ No debug with printk ...
//#define JTAG_DISABLE_IRQ y //#define JTAG_DISABLE_IRQ y
//#define D(x) #define D(x)
#define D(x) printk("%s:%d:",__FILE__,__LINE__);x //#define D(x) printk("%s:%d:",__FILE__,__LINE__);x
#define PARALLEL_JTAG
/* /*
port C 353: port C 353:
0 - TDO (in) 0 - TDO (in)
...@@ -495,6 +443,7 @@ static int fpga_jtag_release(struct inode *inode, struct file *filp) { ...@@ -495,6 +443,7 @@ static int fpga_jtag_release(struct inode *inode, struct file *filp) {
JTAG_channels[chn].mode=JTAG_MODE_CLOSED; JTAG_channels[chn].mode=JTAG_MODE_CLOSED;
//D(printk("fpga_jtag_release: done\r\n")); //D(printk("fpga_jtag_release: done\r\n"));
dev_dbg(NULL, "fpga_jtag_release: done\r\n"); dev_dbg(NULL, "fpga_jtag_release: done\r\n");
dev_info(NULL, "fpga_jtag_release: done, res= %d\n",res);
return (res<0)?res:0; return (res<0)?res:0;
} }
...@@ -776,6 +725,26 @@ inline u32 read_tdo(int sens_num) ...@@ -776,6 +725,26 @@ inline u32 read_tdo(int sens_num)
return stat.xfpgatdo; return stat.xfpgatdo;
} }
// read last 8 TDO bits, shifted at rising edge of TCL
inline u32 read_tdo_byte(int sens_num)
{
x393_status_sens_io_t stat;
x393_status_ctrl_t stat_ctrl;
int i;
stat_ctrl.d32 = 0;
stat = x393_sensio_status(sens_num);
stat_ctrl.seq_num = stat.seq_num + 1;
stat_ctrl.mode = 1;
set_x393_sensio_status_cntrl(stat_ctrl, sens_num);
for (i = 0; i < 10; i++) {
stat = x393_sensio_status(sens_num & 3); // sens_num);
if (likely(stat.seq_num == stat_ctrl.seq_num)) {
return stat.xfpgatdo_byte;
}
}
dev_err(NULL,"read_tdo_byte(%d): failed to get expected seq_num in 10 cycles, expected = 0x%x, got 0x%x\n",sens_num,stat_ctrl.seq_num, stat.seq_num);
return stat.xfpgatdo_byte;
}
...@@ -858,8 +827,8 @@ int jtag_send (int chn, int tms, int len, int d) { ...@@ -858,8 +827,8 @@ int jtag_send (int chn, int tms, int len, int d) {
int sens_num = chn & 3; int sens_num = chn & 3;
x393_sensio_jtag_t data; x393_sensio_jtag_t data;
x393_status_sens_io_t stat; x393_status_sens_io_t stat;
u32 seq_num; // u32 seq_num;
int i; //,m; int i, bm = 0; //,m;
int r=0; int r=0;
int d0; int d0;
i = len & 7; i = len & 7;
...@@ -919,8 +888,11 @@ int jtag_send (int chn, int tms, int len, int d) { ...@@ -919,8 +888,11 @@ int jtag_send (int chn, int tms, int len, int d) {
// x393_sensio_jtag(data, sens_num); // x393_sensio_jtag(data, sens_num);
/* read TDO before TCK pulse */ /* read TDO before TCK pulse */
r = (r << 1) + read_tdo(sens_num); // may to need to read twice to increase delay? #ifndef PARALLEL_JTAG
r = (r << 1) + read_tdo(sens_num); // may need to read twice to increase delay?
#else
bm = (bm <<1 ) | 1;
#endif
data.tck = 1; data.tck = 1;
x393_sensio_jtag(data, sens_num); // keep other signals, set TCK == 1 x393_sensio_jtag(data, sens_num); // keep other signals, set TCK == 1
// x393_sensio_jtag(data, sens_num); // repeat if delay will be needed to increase length of the TCK signal // x393_sensio_jtag(data, sens_num); // repeat if delay will be needed to increase length of the TCK signal
...@@ -929,6 +901,10 @@ int jtag_send (int chn, int tms, int len, int d) { ...@@ -929,6 +901,10 @@ int jtag_send (int chn, int tms, int len, int d) {
// x393_sensio_jtag(data, sens_num); // x393_sensio_jtag(data, sens_num);
} }
x393_sensio_jtag(data, sens_num); x393_sensio_jtag(data, sens_num);
#ifdef PARALLEL_JTAG
r = read_tdo_byte(sens_num) & bm;
#endif
// x393_sensio_jtag(data, sens_num);
dev_dbg(NULL, " ---> %02x\n", r); dev_dbg(NULL, " ---> %02x\n", r);
break; break;
...@@ -947,14 +923,15 @@ int jtag_send (int chn, int tms, int len, int d) { ...@@ -947,14 +923,15 @@ int jtag_send (int chn, int tms, int len, int d) {
int jtag_write_bits (int chn, int jtag_write_bits (int chn,
unsigned char *buf, // data to write unsigned char *buf, // data to write
int len, // number of bytes to write int len, // number of bits to write
int check, // compare readback data with previously written, abort on mismatch int check, // compare readback data with previously written, abort on mismatch
int last, // output last bit with TMS=1 int last, // output last bit with TMS=1
int prev[2]) // if null - don't use int prev[2]) // if null - don't use
{ {
int sens_num = chn & 3; int sens_num = chn & 3;
int i,j; int i,j;
int r=0; int r = 0;
int bm = 0;
int d,d0; int d,d0;
// u32 seq_num; // u32 seq_num;
x393_status_sens_io_t stat; x393_status_sens_io_t stat;
...@@ -1046,26 +1023,34 @@ int jtag_write_bits (int chn, ...@@ -1046,26 +1023,34 @@ int jtag_write_bits (int chn,
for (i = 0; len > 0; i++) { for (i = 0; len > 0; i++) {
d0 = (d = buf[i]); d0 = (d = buf[i]);
dev_dbg(NULL,"jtag_write_bits(), i=0x%x ", i); dev_dbg(NULL,"jtag_write_bits(), i=0x%x ", i);
bm = 0;
for (j = 0; j < 8; j++) { for (j = 0; j < 8; j++) {
if (len > 0) { if (len > 0) {
data.tms = (len == 1 && last)? 1:0 ; data.tms = (len == 1 && last)? 1:0 ;
data.tdi = ((d <<= 1) >> 8) & 1; data.tdi = ((d <<= 1) >> 8) & 1;
data.tck = 0; data.tck = 0;
x393_sensio_jtag(data, sens_num); x393_sensio_jtag(data, sens_num);
// x393_sensio_jtag(data, sens_num); // repeat writel() if needed for delay #ifndef PARALLEL_JTAG
r = (r << 1) + read_tdo(sens_num); r = (r << 1) + read_tdo(sens_num);
#else
bm = (bm <<1 ) | 1;
#endif
data.tck = 1; data.tck = 1;
x393_sensio_jtag(data, sens_num); x393_sensio_jtag(data, sens_num);
// x393_sensio_jtag(data, sens_num); // remove if no delay is needed
data.tck = 0; data.tck = 0;
x393_sensio_jtag(data, sens_num); x393_sensio_jtag(data, sens_num);
// x393_sensio_jtag(data, sens_num);
} else { } else {
r <<= 1; r <<= 1;
} }
len--; len--;
} }
#ifdef PARALLEL_JTAG
r = read_tdo_byte(sens_num) & bm;
if (unlikely(len < 0)){
r <<= -len;
}
#endif
buf[i] = r; buf[i] = r;
dev_dbg(NULL," ===> %02x\n", r); dev_dbg(NULL," ===> %02x\n", r);
if (check && ((r ^ (prev[1]>>24)) & 0xff)) { if (check && ((r ^ (prev[1]>>24)) & 0xff)) {
...@@ -1110,14 +1095,14 @@ int JTAG_configure (int chn, unsigned char * buf, int len) { ...@@ -1110,14 +1095,14 @@ int JTAG_configure (int chn, unsigned char * buf, int len) {
} }
} }
if (datastart<0) { if (datastart<0) {
printk("Bitstream not found - bad file\r\n"); dev_err(NULL,"Bitstream not found - bad file\r\n");
return -EFAULT; return -EFAULT;
} }
// check for right bitstream length // check for right bitstream length
if ((len-datastart)!=(XC3S1200E_BITSIZE>>3)) { if ((len-datastart)!=(XC3S1200E_BITSIZE>>3)) {
printk("Wrong bitstream size - XC3S1200E has bitstream of %d bits (%d bytes)\n",XC3S1200E_BITSIZE,XC3S1200E_BITSIZE>>3); dev_err(NULL,"Wrong bitstream size - XC3S1200E has bitstream of %d bits (%d bytes)\n",XC3S1200E_BITSIZE,XC3S1200E_BITSIZE>>3);
printk ("header size - %d, data size - %d\r\n",datastart, len-datastart); dev_err(NULL,"header size - %d, data size - %d\r\n",datastart, len-datastart);
return -EFAULT; return -EFAULT;
} }
// enable programmimg mode (nop for the 10353 FPGA) // enable programmimg mode (nop for the 10353 FPGA)
set_pgm_mode(chn, 1); set_pgm_mode(chn, 1);
...@@ -1169,8 +1154,8 @@ int JTAG_configure (int chn, unsigned char * buf, int len) { ...@@ -1169,8 +1154,8 @@ int JTAG_configure (int chn, unsigned char * buf, int len) {
set_pgm (chn, 0); set_pgm (chn, 0);
// disable programmimg mode (nop for the 10353 FPGA) // disable programmimg mode (nop for the 10353 FPGA)
set_pgm_mode(chn, 0); set_pgm_mode(chn, 0);
printk ("**** Configuration failed at byte # %d (%x)****\n", (i-datastart),(i-datastart)); dev_err(NULL,"**** Configuration failed at byte # %d (%x)****\n", (i-datastart),(i-datastart));
printk ("**** r= %x, prev64=%x prev32=%x****\n", r,prev[1], prev[0]); dev_err(NULL,"**** r= %x, prev64=%x prev32=%x****\n", r,prev[1], prev[0]);
return -EFAULT; return -EFAULT;
} }
jtag_send(chn, 1, 1, 0 ); //step 11 - set UPDATE-DR state jtag_send(chn, 1, 1, 0 ); //step 11 - set UPDATE-DR state
...@@ -1195,12 +1180,13 @@ int JTAG_configure (int chn, unsigned char * buf, int len) { ...@@ -1195,12 +1180,13 @@ int JTAG_configure (int chn, unsigned char * buf, int len) {
set_pgm_mode(chn, 0); set_pgm_mode(chn, 0);
if (r==0) { if (r==0) {
printk("*** FPGA did not start after configuration ***\r\n"); dev_err(NULL,"*** FPGA did not start after configuration ***\r\n");
return -EFAULT; return -EFAULT;
} }
//D( udelay (100000);printk("\nJTAG_configure() OK!\r\n")); //D( udelay (100000);printk("\nJTAG_configure() OK!\r\n"));
D( mdelay (100);printk("\nJTAG_configure() OK!\r\n")); D( mdelay (100);printk("\nJTAG_configure() OK!\r\n"));
dev_info(NULL,"JTAG_configure() OK!\n");
return 0; return 0;
} //int JTAG_configure } //int JTAG_configure
...@@ -1398,10 +1384,10 @@ static int __init fpga_jtag_init(void) { ...@@ -1398,10 +1384,10 @@ static int __init fpga_jtag_init(void) {
int i,res; int i,res;
res = register_chrdev(FPGA_JTAG_MAJOR, fpga_jtag_name, &fpga_jtag_fops); res = register_chrdev(FPGA_JTAG_MAJOR, fpga_jtag_name, &fpga_jtag_fops);
if(res < 0) { if(res < 0) {
printk(KERN_ERR "\nfpga_jtag_init: couldn't get a major number %d.\n",FPGA_JTAG_MAJOR); dev_err(NULL,"\nfpga_jtag_init: couldn't get a major number %d.\n",FPGA_JTAG_MAJOR);
return res; return res;
} }
printk(FPGA_JTAG_DRIVER_NAME" - %d\n",FPGA_JTAG_MAJOR); dev_dbg(NULL,FPGA_JTAG_DRIVER_NAME" - %d\n",FPGA_JTAG_MAJOR);
for (i=0;i<=FPGA_JTAG_MAXMINOR;i++) minors[i]=0; for (i=0;i<=FPGA_JTAG_MAXMINOR;i++) minors[i]=0;
initPortC(); initPortC();
......
This diff is collapsed.
...@@ -6,7 +6,7 @@ ...@@ -6,7 +6,7 @@
* *
* This program is free software: you can redistribute it and/or modify * This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or * the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version. * (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
...@@ -19,16 +19,13 @@ ...@@ -19,16 +19,13 @@
*******************************************************************************/ *******************************************************************************/
// I2C device description to be used with i2c sequencer // I2C device description to be used with i2c sequencer
/* typedef struct{
typedef struct x393_i2c_device_tag{ char name[32];
char * name;
u8 slave7; // slave address (7-bit) u8 slave7; // slave address (7-bit)
u8 address_bytes; u8 address_bytes;
u8 data_bytes; u8 data_bytes;
int scl_khz; // maximal SCL frequency in KHz (currently limited by 200KHz slowest) int scl_khz; // maximal SCL frequency in KHz (currently limited by 200KHz slowest)
struct x393_i2c_device_tag * next;
} x393_i2c_device_t; } x393_i2c_device_t;
*/
/* Reserve i2c page (1 of 256 for a sensor port)*/ /* Reserve i2c page (1 of 256 for a sensor port)*/
int i2c_page_alloc(int chn); int i2c_page_alloc(int chn);
...@@ -36,25 +33,37 @@ int i2c_page_alloc(int chn); ...@@ -36,25 +33,37 @@ int i2c_page_alloc(int chn);
/* Free i2c page */ /* Free i2c page */
void i2c_page_free(int chn, int page); void i2c_page_free(int chn, int page);
/* Set i2c table entry to raw data (will just overwrite tbl_mode = 2) */ /* Set i2c table entry to raw data (will just overwrite tbl_mode = 2)*/
void set_sensor_i2c_raw(int chn, void set_xi2c_raw(int chn,
int page, // index in lookup table int page, // index in lookup table
u32 data); // Bit delay - number of mclk periods in 1/4 of the SCL period u32 data); // Bit delay - number of mclk periods in 1/4 of the SCL period
/*
* Set i2c table entry for write operation using known devices
* Get device with xi2c_dev_get(), copy and modify, if needed to
* offset slave address or change number of bytes to write, SCL frequency
*/
void set_xi2c_wrc( x393_i2c_device_t * dc, // device class
int chn, // sensor port
int page, // index in lookup table
int rah); // High byte of the i2c register address
/* Set i2c table entry for write operation */ /*
void set_sensor_i2c_wr(int chn, * Set i2c table entry for read operation using known devices
int page, // index in lookup table * Get device with xi2c_dev_get(), copy and modify, if needed to
int sa, // slave address (7 bit) * offset slave address or change number of bytes to write, SCL frequency
int rah, // High byte of the i2c register address */
int num_bytes, //Number of bytes to write (1..10) void set_xi2c_rdc(x393_i2c_device_t * dc, // device class
int bit_delay); // Bit delay - number of mclk periods in 1/4 of the SCL period int chn, // sensor port
int page); // index in lookup table
/* Set i2c table entry for read operation */ /* Set i2c table entry for read operation */
void set_sensor_i2c_rd(int chn, void set_xi2c_rd(int chn,
int page, // index in lookup table int page, // index in lookup table
int two_byte_addr, // Number of address bytes (0 - one byte, 1 - two bytes) int two_byte_addr, // Number of address bytes (0 - one byte, 1 - two bytes)
int num_bytes, // Number of bytes to read (1..8, 0 means 8) int num_bytes, // Number of bytes to read (1..8, 0 means 8)
int bit_delay);// Bit delay - number of mclk periods in 1/4 of the SCL period int bit_delay); // Bit delay - number of mclk periods in 1/4 of the SCL period
/* /*
// Write i2c command to the i2c command sequencer // Write i2c command to the i2c command sequencer
// I2C command sequencer, block of 16 DWORD slots for absolute frame numbers (modulo 16) and 15 slots for relative ones // I2C command sequencer, block of 16 DWORD slots for absolute frame numbers (modulo 16) and 15 slots for relative ones
...@@ -75,27 +84,52 @@ void set_sensor_i2c_rd(int chn, ...@@ -75,27 +84,52 @@ void set_sensor_i2c_rd(int chn,
/* Write one or multiple DWORDs to i2c relative (modulo16) address. Use offs = 0 for immediate (ASAP) command */ /* Write one or multiple DWORDs to i2c relative (modulo16) address. Use offs = 0 for immediate (ASAP) command */
/* Length of data is determined by the page data already preset */ /* Length of data is determined by the page data already preset */
int write_sensor_i2c_rel (int chn, int write_xi2c_rel (int chn,
int offs, // 4 bits int offs, // 4 bits
u32 * data); u32 * data);
/* Same to absolute (modulo16) address */
int write_sensor_i2c_abs (int chn,
int offs, // 4 bits
u32 * data);
int write_xi2c_abs (int chn,
int offs, // 4 bits
u32 * data);
/* Write sensor 16 bit (or 8 bit as programmed in the table) data in immediate mode */ /* Write sensor 16 bit (or 8 bit as programmed in the table) data in immediate mode */
void write_sensor_reg16 (int chn, void write_xi2c_reg16 (int chn,
int page, // page (8 bits) int page, // page (8 bits)
int addr, // low 8 bits int addr, // low 8 bits
u32 data); // 16 or 8-bit data (LSB aligned) u32 data); // 16 or 8-bit data (LSB aligned)
/* Initiate sensor i2c read in immediate mode (data itself has to be read from FIFO with read_sensor_i2c_fifo)*/ /*
void read_sensor_i2c (int chn, * Initiate sensor i2c read in immediate mode (data itself has to be read from FIFO with read_xi2c_fifo)
int page, // page (8 bits) * Use slave address from provided class structure.
int sa7, // 7-bit i2c slave address */
int addr); // 8/16 bit address void read_xi2c (x393_i2c_device_t * dc, // device class
int chn,
int page, // page (8 bits)
int addr); // 8/16 bit address
/* Initiate sensor i2c read in immediate mode (data itself has to be read from FIFO with read_xi2c_fifo)*/
void read_xi2c_sa7 (int chn,
int page, // page (8 bits)
int sa7, // 7-bit i2c slave address
int addr); // 8/16 bit address
/* Read next byte from the channel i2c FIFO. Return byte or -1 if no data available */ /* Read next byte from the channel i2c FIFO. Return byte or -1 if no data available */
/* Sensor channel status should be in auto update mode (3) */ /* Sensor channel status should be in auto update mode (3) */
int read_sensor_i2c_fifo(int chn); int read_xi2c_fifo(int chn);
/* Handling classes of i2c devices */
x393_i2c_device_t * xi2c_dev_get(const char * name);
/* Single-command i2c write/read register using pre-defined device classes */
int x393_xi2c_write_reg(const char * cname, // device class name
int chn, // sensor port number
int sa7_offs, // slave address (7-bit) offset from the class defined slave address
int reg_addr, // register address (width is defined by class)
int data); // data to write (width is defined by class)
int x393_xi2c_read_reg( const char * cname, // device class name
int chn, // sensor port number
int sa7_offs, // slave address (7-bit) offset from the class defined slave address
int reg_addr, // register address (width is defined by class)
int * datap); // pointer to a data receiver (read data width is defined by class)
...@@ -6,7 +6,7 @@ ...@@ -6,7 +6,7 @@
*! *!
*! This program is free software: you can redistribute it and/or modify *! This program is free software: you can redistribute it and/or modify
*! it under the terms of the GNU General Public License as published by *! it under the terms of the GNU General Public License as published by
*! the Free Software Foundation, either version 3 of the License, or *! the Free Software Foundation, either version 2 of the License, or
*! (at your option) any later version. *! (at your option) any later version.
*! *!
*! This program is distributed in the hope that it will be useful, *! This program is distributed in the hope that it will be useful,
......
/*!*************************************************************************** /*!***************************************************************************
*! FILE NAME : vsc330x.c *! FILE NAME : vsc330x.c
*! DESCRIPTION: control of the VSC3304 4x4 crosspoint switch *! DESCRIPTION: control of the VSC3304 4x4 crosspoint switch
*! Copyright (C) 2013 Elphel, Inc. *! Copyright (C) 2013-2016 Elphel, Inc.
*! -----------------------------------------------------------------------------** *! -----------------------------------------------------------------------------**
*! *!
*! This program is free software: you can redistribute it and/or modify *! This program is free software: you can redistribute it and/or modify
*! it under the terms of the GNU General Public License as published by *! it under the terms of the GNU General Public License as published by
*! the Free Software Foundation, either version 3 of the License, or *! the Free Software Foundation, either version 2 of the License, or
*! (at your option) any later version. *! (at your option) any later version.
*! *!
*! This program is distributed in the hope that it will be useful, *! This program is distributed in the hope that it will be useful,
......
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