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Commit b59b7efd authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
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1. testing phase adjustment and i2c operations 

2. fixed a couple typos
parent 235bc9fb
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Showing with 156 additions and 97 deletions
src/drivers/elphel/mt9f002.c
View file @ b59b7efd
......@@ -51,6 +51,9 @@
#include "sensor_i2c.h"
//#include "detect_sensors.h"
// hact timeout in udelay(100)s
#define HACT_TIMEOUT 8192
/**
LUT to map SENSOR_REGSxxx to internal sensor register addresses
* needed for any sensor
......@@ -65,11 +68,20 @@ const unsigned short mt9f002_par2addr[] = {
P_MT9F002_RESET, P_REG_MT9F002_RESET_REGISTER,
P_MT9F002_EXPOS, P_REG_MT9F002_COARSE_INTEGRATION_TIME,
P_MT9F002_TEST_PATTERN, P_REG_MT9F002_TEST_PATTERN_MODE,
P_MT9F002_GAIN , P_REG_MT9F002_ANALOG_GAIN_CODE_GLOBAL,
P_MT9F002_GAINGR , P_REG_MT9F002_ANALOG_GAIN_CODE_GREENR,
P_MT9F002_GAINR , P_REG_MT9F002_ANALOG_GAIN_CODE_RED,
P_MT9F002_GAINB , P_REG_MT9F002_ANALOG_GAIN_CODE_BLUE,
P_MT9F002_GAINGB , P_REG_MT9F002_ANALOG_GAIN_CODE_GREENB,
P_MT9F002_GAIN, P_REG_MT9F002_ANALOG_GAIN_CODE_GLOBAL,
P_MT9F002_GAINGR, P_REG_MT9F002_ANALOG_GAIN_CODE_GREENR,
P_MT9F002_GAINR, P_REG_MT9F002_ANALOG_GAIN_CODE_RED,
P_MT9F002_GAINB, P_REG_MT9F002_ANALOG_GAIN_CODE_BLUE,
P_MT9F002_GAINGB, P_REG_MT9F002_ANALOG_GAIN_CODE_GREENB,
P_MT9F002_HISPI_TIMING, P_REG_MT9F002_HISPI_TIMING,
P_MT9F002_SMIA_PLL_MULTIPLIER, P_REG_MT9F002_SMIA_PLL_MULTIPLIER,
P_MT9F002_HISPI_CONTROL_STATUS, P_REG_MT9F002_HISPI_CONTROL_STATUS,
P_MT9F002_DATAPATH_SELECT, P_REG_MT9F002_DATAPATH_SELECT,
P_MT9F002_RESET_REGISTER, P_REG_MT9F002_RESET_REGISTER,
P_MT9F002_ANALOG_GAIN_CODE_GLOBAL, P_REG_MT9F002_ANALOG_GAIN_CODE_GLOBAL,
P_MT9F002_ANALOG_GAIN_CODE_RED, P_REG_MT9F002_ANALOG_GAIN_CODE_RED,
P_MT9F002_ANALOG_GAIN_CODE_BLUE, P_REG_MT9F002_ANALOG_GAIN_CODE_BLUE,
P_MT9F002_COARSE_INTEGRATION_TIME, P_REG_MT9F002_COARSE_INTEGRATION_TIME,
0xffff // END indicator
};
......@@ -164,15 +176,16 @@ static bool init_done[4] = {false,false,false,false};
/** Initial register writes for MT9F002 */
static unsigned short mt9f002_inits[]=
{
P_REG_MT9F002_HISPI_TIMING, 0x8000, //
P_REG_MT9F002_SMIA_PLL_MULTIPLIER, 0x00b4, //
P_REG_MT9F002_HISPI_CONTROL_STATUS, 0x8400, //
P_REG_MT9F002_DATAPATH_SELECT, 0x9280, //
P_REG_MT9F002_RESET_REGISTER, 0x001c,
P_REG_MT9F002_ANALOG_GAIN_CODE_GLOBAL, 0x000a,
P_REG_MT9F002_ANALOG_GAIN_CODE_RED, 0x000d,
P_REG_MT9F002_ANALOG_GAIN_CODE_BLUE, 0x0010,
P_REG_MT9F002_COARSE_INTEGRATION_TIME, 0x0060
P_MT9F002_HISPI_TIMING, 0x8000, //
P_MT9F002_SMIA_PLL_MULTIPLIER, 0x00b4, //
P_MT9F002_HISPI_CONTROL_STATUS, 0x8400, //
P_MT9F002_DATAPATH_SELECT, 0x9280, //
P_MT9F002_RESET_REGISTER, 0x001c,
//P_MT9F002_TEST_PATTERN, 0x0002, // color bars
P_MT9F002_ANALOG_GAIN_CODE_GLOBAL, 0x000a,
P_MT9F002_ANALOG_GAIN_CODE_RED, 0x000d,
P_MT9F002_ANALOG_GAIN_CODE_BLUE, 0x0010,
P_MT9F002_COARSE_INTEGRATION_TIME, 0x0100
};
/** Specifying sensor registers to be controlled individually in multi-sensor applications, MT9P006 */
......@@ -281,7 +294,7 @@ int mt9f002_pgm_detectsensor (int sensor_port, ///< sensor port
x393_sensio_ctrl(sensio_ctl,sensor_port);
// what's this? commented out and it still works. 2018/02/13
//udelay(50); // is it needed?
udelay(50); // is it needed?
X3X3_I2C_RCV2(sensor_port, psensor->i2c_addr, P_REG_MT9F002_MODEL_ID, &i2c_read_dataw);
dev_dbg(g_dev_ptr,"Read i2c (port = %d, sa7=0x%lx, reg=0x%x) chip ID=%x\n",sensor_port, psensor->i2c_addr, P_REG_MT9F002_MODEL_ID, i2c_read_dataw);
......@@ -330,35 +343,47 @@ int mt9f002_pgm_detectsensor (int sensor_port, ///< sensor port
int mt9f002_phases_program_phase(int sensor_port, int phase){
int i;
int read_phase;
int read_phase = 0x5555;
struct sensor_port_config_t *pcfg;
const char *name;
int wr_full;
pcfg = &pSensorPortConfig[sensor_port];
name = get_name_by_code(pcfg->sensor[0],DETECT_SENSOR);
x393_xi2c_write_reg(name,sensor_port,0,P_REG_MT9F002_HISPI_TIMING,phase);
//x393_xi2c_write_reg(name,sensor_port,0,P_REG_MT9F002_HISPI_TIMING,phase);
// sa7 is not used anymore
for(i=0;i<32;i++){
wr_full = x393_xi2c_ready_wr(sensor_port);
if (wr_full==0){
pr_err("{%d} I2C sequencer is FULL1 for target 0x%04x\n",sensor_port,phase);
}
x393_xi2c_read_reg(name,sensor_port,0,P_REG_MT9F002_HISPI_TIMING,&read_phase);
X3X3_I2C_SEND2_ASAP(sensor_port,0x0,P_MT9F002_HISPI_TIMING,phase);
x393_xi2c_wait_wr(sensor_port);
if (read_phase!=phase){
pr_err("{%d} write error, target value = 0x%04x, read value = 0x%04x \n",sensor_port,read_phase,phase);
// write retry
if ((i&0x7)==0) {
x393_xi2c_write_reg(name,sensor_port,0,P_REG_MT9F002_HISPI_TIMING,phase);
for(i=0;i<32;i++){
wr_full = x393_xi2c_ready_wr(sensor_port);
if (wr_full==0){
pr_err("{%d} I2C sequencer is FULL2 for target 0x%04x\n",sensor_port,phase);
}
}else{
X3X3_I2C_RCV2(sensor_port, 0x10, P_REG_MT9F002_HISPI_TIMING, &read_phase);
if (read_phase==phase){
break;
}
// i2c is slow
udelay(1000);
pr_err("{%d} write error, target value = 0x%04x, read value = 0x%04x \n",sensor_port,phase,read_phase);
// write retry
if ((i&0x7)==0x7) {
pr_err("{%d} write retry: 0x%04x\n",sensor_port,phase);
X3X3_I2C_SEND2_ASAP(sensor_port,0x0,P_MT9F002_HISPI_TIMING,phase);
x393_xi2c_wait_wr(sensor_port);
}
udelay(100);
}
return 0;
}
int mt9f002_phases_read_flags(int sensor_port,int shift){
......@@ -372,16 +397,16 @@ int mt9f002_phases_read_flags(int sensor_port,int shift){
set_x393_sensio_tim2(reset_flags,sensor_port);
// wait for hact
for(i=0;i<4000;i++){
for(i=0;i<HACT_TIMEOUT;i++){
status = x393_sensio_status(sensor_port);
if (status.hact_alive){
if (i>1) dev_dbg(g_dev_ptr,"{%d} hact recovered after %d\n",sensor_port,i);
//if (i>1) dev_dbg(g_dev_ptr,"{%d} hact recovered after %d\n",sensor_port,i);
break;
}
udelay(100);
if (i==3999){
if (i==(HACT_TIMEOUT-1)){
dev_dbg(g_dev_ptr,"{%d} hact never went up after reset\n",sensor_port);
}
udelay(100);
}
// read flags
......@@ -398,7 +423,7 @@ int mt9f002_phases_read_flags(int sensor_port,int shift){
}
int mt9f002_phases_scan_lane(int sensor_port, int phase, int shift, int result[]){
int mt9f002_phases_scan_lane(int sensor_port, int phase, int shift){
int i,j;
int status;
......@@ -406,16 +431,16 @@ int mt9f002_phases_scan_lane(int sensor_port, int phase, int shift, int result[]
int value = 0;
bool switched = false;
int start = 0;
int count = 0;
// i where switched, 1 - first 8 steps, 2 - second 8 steps
int i1 = 0;
int i2 = 0;//8
int im = 0;
int old_phase = phase;
int target_phase;
int read_phase;
int s[16];
pr_info("{%d} Base phase: 0x%04x\n",sensor_port,phase);
// 16 values: 8 for CLK phase 0 position CLK, 8 - for CLK phase 4 position
for(i=0;i<16;i++){
......@@ -428,56 +453,60 @@ int mt9f002_phases_scan_lane(int sensor_port, int phase, int shift, int result[]
phase -= clk_half_phase;
}
// set phase
target_phase = phase + ((i&0x7)<<(3*shift));
mt9f002_phases_program_phase(sensor_port,target_phase);
old_phase = target_phase;
// read status
status = mt9f002_phases_read_flags(sensor_port,shift);
s[i] = status;
if (i==0){
if ((i==0)||(i==8)){
value = status;
count = 1;
}
if (i==8){
if (!switched){
start = 0;
count = i;
}else{
switched = false;
}
}
if ((i<8)&&(i!=0)){
}else{
if (value!=status){
if (i<8){
if (!switched){
switched = true;
value = status;
i1 = i;
}else{
pr_err("{%d} Unexpected phase shift at %d",sensor_port,i);
}
}else{
if (!switched){
count += 1;
switched = true;
value = status;
i2 = i;
}else{
pr_err("{%d} Unexpected phase shift at %d",sensor_port,i);
}
}
}
if (i>=8){
if (value==status){
count += 1;
}
}
dev_dbg(g_dev_ptr,"%d %d %d %d %d %d %d %d | %d %d %d %d %d %d %d %d\n",s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9],s[10],s[11],s[12],s[13],s[14],s[15]);
dev_dbg(g_dev_ptr,"i1 = %d, i2 = %d\n",i1,i2);
//i2 = i2&0x7;
/*
if (i2<i1){
i2 += 8;
}
*/
im = ((i1+i2)>>1)&0x7;
//im = (i2-4)&0x7;
pr_info("%d %d %d %d %d %d %d %d | %d %d %d %d %d %d %d %d\n",s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9],s[10],s[11],s[12],s[13],s[14],s[15]);
pr_info("start = %d, count = %d\n",start,count);
target_phase = phase + (im<<(3*shift));
result[0] = start;
result[1] = count;
dev_dbg(g_dev_ptr,"mid phase: %d (target phase = 0x%04x)",im,target_phase);
return 0;
// apply center phase
mt9f002_phases_program_phase(sensor_port,target_phase);
return target_phase;
}
int mt9f002_phases_adjust(int sensor_port){
......@@ -493,7 +522,6 @@ int mt9f002_phases_adjust(int sensor_port){
int phase = 0x8000;
int i;
int result[2];
x393_status_sens_io_t status;
// read it first ?
......@@ -506,34 +534,31 @@ int mt9f002_phases_adjust(int sensor_port){
set_x393_sensio_status_cntrl(status_ctrl, sensor_port);
// wait for hact (usually alive after 254)
for(i=0;i<1024;i++){
for(i=0;i<HACT_TIMEOUT;i++){
status = x393_sensio_status(sensor_port);
if (status.hact_alive){
dev_dbg(g_dev_ptr,"{%d} HACT alive at %d\n",sensor_port,i);
//dev_dbg(g_dev_ptr,"{%d} HACT alive at %d\n",sensor_port,i);
break;
}
if (i==(HACT_TIMEOUT-1)){
dev_dbg(g_dev_ptr,"{%d} HACT never went live\n",sensor_port);
}
udelay(100);
}
// 4 data lanes - prior knowledge
for(i=0;i<4;i++){
mt9f002_phases_scan_lane(sensor_port,phase,i,result);
// &0x7 = %8
phase += ((result[0]+(result[1]>>1))&0x7)<<(3*i);
if (result[1]<2){
dev_dbg(g_dev_ptr,"{%d} Error scanning D%d lane, count=%d\n",sensor_port,i,result[1]);
}
phase = mt9f002_phases_scan_lane(sensor_port,phase,i);
}
dev_dbg(g_dev_ptr,"{%d} Adjusted phase is 0x%04x\n",sensor_port,phase);
// apply final phase
mt9f002_phases_program_phase(sensor_port,phase);
//mt9f002_phases_program_phase(sensor_port,phase,0,false);
// disable status updates
status_ctrl.mode = 0x0;
set_x393_sensio_status_cntrl(status_ctrl, sensor_port);
//status_ctrl.mode = 0x0;
//set_x393_sensio_status_cntrl(status_ctrl, sensor_port);
return 0;
}
......@@ -569,18 +594,24 @@ int mt9f002_pgm_initsensor (int sensor_port, ///< sensor port
for(i=0;i<n;i++){
haddr = (mt9f002_inits[2*i]>>8)&0xff;
laddr = mt9f002_inits[2*i]&0xff;
data = mt9f002_inits[2*i+1];
page = pSensorPortConfig[sensor_port].haddr2rec[0][haddr];
//haddr = (mt9f002_inits[2*i]>>8)&0xff;
//laddr = mt9f002_inits[2*i]&0xff;
//data = mt9f002_inits[2*i+1];
//page = pSensorPortConfig[sensor_port].haddr2rec[0][haddr];
// write immediately
//dev_dbg(g_dev_ptr,"{%d} init sensor: writing 0x%04x to register 0x%02x%02x\n",sensor_port,data,haddr,laddr);
write_xi2c_reg16(sensor_port,page,laddr,data);
//write_xi2c_reg16(sensor_port,page,laddr,data);
X3X3_I2C_SEND2_ASAP(sensor_port,sensor->i2c_addr,mt9f002_inits[2*i],mt9f002_inits[2*i+1]);
}
// sensor is supposed to be streaming by now
mt9f002_phases_adjust(sensor_port);
// extra reset?
//X3X3_I2C_SEND2_ASAP(sensor_port,sensor->i2c_addr,P_MT9F002_RESET_REGISTER,0x001c);
// init register shadows here
return 0;
......@@ -654,12 +685,29 @@ static ssize_t store_debug_modes(struct device *dev, struct device_attribute *at
return count;
}
static ssize_t show_status_flags(struct device *dev, struct device_attribute *attr, char *buf)
{
int i,j;
int s[16];
for(i=0;i<4;i++){
for(j=0;j<4;j++){
s[4*i+j] = mt9f002_phases_read_flags(i,j);
}
}
return sprintf(buf,"%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n",
s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9],s[10],s[11],s[12],s[13],s[14],s[15]);
}
static DEVICE_ATTR(sensor_regs0, SYSFS_PERMISSIONS, show_sensor_regs, store_sensor_regs);
static DEVICE_ATTR(sensor_regs1, SYSFS_PERMISSIONS, show_sensor_regs, store_sensor_regs);
static DEVICE_ATTR(sensor_regs2, SYSFS_PERMISSIONS, show_sensor_regs, store_sensor_regs);
static DEVICE_ATTR(sensor_regs3, SYSFS_PERMISSIONS, show_sensor_regs, store_sensor_regs);
static DEVICE_ATTR(debug_delays, SYSFS_PERMISSIONS, show_debug_delays, store_debug_delays);
static DEVICE_ATTR(debug_modes, SYSFS_PERMISSIONS, show_debug_modes, store_debug_modes);
static DEVICE_ATTR(frame_status, SYSFS_PERMISSIONS, show_status_flags, NULL);
static struct attribute *root_dev_attrs[] = {
&dev_attr_sensor_regs0.attr,
......@@ -668,6 +716,7 @@ static struct attribute *root_dev_attrs[] = {
&dev_attr_sensor_regs3.attr,
&dev_attr_debug_delays.attr,
&dev_attr_debug_modes.attr,
&dev_attr_frame_status.attr,
NULL
};
......@@ -711,7 +760,7 @@ int mt9f002_remove(struct platform_device *pdev)
// TODO: add elphel,elphel393-mt9f002-1.00 to device tree
static const struct of_device_id elphel393_mt9f002_of_match[] = {
{ .compatible = "elphel,elphel393-mt9x001-1.00" },
{ .compatible = "elphel,elphel393-mt9f002-1.00" },
{ /* end of list */ }
};
MODULE_DEVICE_TABLE(of, elphel393_mt9f002_of_match);
......
src/drivers/elphel/mt9f002.h
View file @ b59b7efd
......@@ -544,6 +544,16 @@
#define P_MT9F002_TEST_PATTERN 10
#define P_MT9F002_HISPI_TIMING 11
#define P_MT9F002_SMIA_PLL_MULTIPLIER 12
#define P_MT9F002_HISPI_CONTROL_STATUS 13
#define P_MT9F002_DATAPATH_SELECT 14
#define P_MT9F002_RESET_REGISTER 15
#define P_MT9F002_ANALOG_GAIN_CODE_GLOBAL 16
#define P_MT9F002_ANALOG_GAIN_CODE_RED 17
#define P_MT9F002_ANALOG_GAIN_CODE_BLUE 18
#define P_MT9F002_COARSE_INTEGRATION_TIME 19
//#define P_REG(x) x
//#define P_MT9F002_MODEL_ID 4
......
src/drivers/elphel/mt9x001.c
View file @ b59b7efd
......@@ -1175,7 +1175,7 @@ int mt9x001_pgm_window_common (int sensor_port, ///< sensor port
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%0x, 0x%x, 0x%x, 0x%x, 0x%x)\n",sensor_port, sensor_port, frame16, (int) sensor->i2c_addr, (int) P_MT9X001_ROWSTART,(int) wt);
}
///TODO:Get rid of get_sensor_i2c_regs16 !!!
// the fields that should not chnage in non-stop will not change, so it is OK to write them always
// the fields that should not change in non-stop will not change, so it is OK to write them always
if((styp == MT9T_TYP) || (styp == MT9P_TYP)) { // 3MPix and 5MPix sensors
v= (thispars->pars[P_SENSOR_REGS+P_MT9X001_RAM] & 0xff88) | ((bv - 1) << 4) | (dv - 1) ;
if (v != thispars->pars[P_SENSOR_REGS+P_MT9X001_RAM]) {
......
src/drivers/elphel/pgm_functions.c
View file @ b59b7efd
......@@ -379,8 +379,6 @@ int pgm_detectsensor (int sensor_port, ///< sensor port number (
int i2cbytes;
int mux,sens;
pr_info("{%d} pgm_detectsensor\n",sensor_port);
dev_dbg(g_dev_ptr,"{%d} frame16=%d\n",sensor_port,frame16);
MDP(DBGB_PSFN, sensor_port,"frame16=%d\n",frame16)
......
src/drivers/elphel/sensor_common.c
View file @ b59b7efd
......@@ -1223,7 +1223,7 @@ int register_i2c_sensor(int ports_mask) ///< bitmask of the sensor ports to use
bool mux;
pr_info("register_i2c_sensor()\n");
dev_dbg(g_dev_ptr,"register_i2c_sensor()\n");
for(port=0;port<SENSOR_PORTS;port++) if ((1<<port)&ports_mask) {
......
src/drivers/elphel/sensor_common.h
View file @ b59b7efd
......@@ -126,7 +126,7 @@ long long get_frame_pos(unsigned int chn, unsigned int pos);
#define X3X3_I2C_SEND2_ASAP(port,sa7,reg,data) {\
int _ADDR = pSensorPortConfig[(port)].par2addr[0][(reg)];\
int _PAGE = pSensorPortConfig[(port)].haddr2rec[0][(_ADDR>>8)&0xff];\
write_xi2c_reg16((port),(sa7),(reg),(data));\
write_xi2c_reg16((port),_PAGE,_ADDR&0xff,(data));\
}
/** Perform I2C read (8 bits address, 16 bits data in "legacy" mode (sensors and 10359),
......
src/drivers/elphel/sensor_i2c.c
View file @ b59b7efd
......@@ -328,7 +328,9 @@ int get_bit_delay(int khz)
// Modified FPGA - added extra division
// dly = (1000 * mclk_mhz / 4)/khz;
// dly = (1000 * mclk_mhz / 8 )/khz; //
dly = (32000 * mclk_mhz / scale_i2c_speed )/khz; //
// WARNING: for 500KHz it is supposed to write 100, but it actually writes 50
dly = (32000 * mclk_mhz / scale_i2c_speed )/khz;
if (dly > 255)
dly = 255;
return dly;
......@@ -1483,7 +1485,7 @@ static ssize_t get_i2c_help(struct device *dev, ///< Linux kernel b
"tbl_rd*: read - decoded table entry for current rd_page, write <page> <2-byte addr> <bytes_to_read> <dly>\n"
"tbl_rd*: alt: <class-name> <page> <bytes_to_read or 0 (use class)> <dly or 0 (use class)>\n"
"tbl_rd* and tbl_wr* return same result when read. Delay is 8 bit, 250 - 200KHz SCL\n"
"Read/write i2c register (for the pre-configured device classes), sa7_affset is added to class device slave address\n"
"Read/write i2c register (for the pre-configured device classes), sa7_offset is added to class device slave address\n"
"[<data>] is used for register write, without - register read. Reading i2c* returns result of last i2c read operation\n"
"i2c*: read - last read data, write: <class_name> <sa7_offset> <reg_addr> [<data>]\n"
"i2c_frame*: read - i2c sequencer frame number (4 bit), write: 0 - stop, 1 - run, 2 - reset, 3 - reset+run\n"
......
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