diff options
Diffstat (limited to 'backend/genesys/gl124.cpp')
-rw-r--r-- | backend/genesys/gl124.cpp | 2269 |
1 files changed, 2269 insertions, 0 deletions
diff --git a/backend/genesys/gl124.cpp b/backend/genesys/gl124.cpp new file mode 100644 index 0000000..054f1ef --- /dev/null +++ b/backend/genesys/gl124.cpp @@ -0,0 +1,2269 @@ +/* sane - Scanner Access Now Easy. + + Copyright (C) 2010-2016 Stéphane Voltz <stef.dev@free.fr> + + + This file is part of the SANE package. + + 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, the authors of SANE give permission for + additional uses of the libraries contained in this release of SANE. + + The exception is that, if you link a SANE library with other files + to produce an executable, this does not by itself cause the + resulting executable to be covered by the GNU General Public + License. Your use of that executable is in no way restricted on + account of linking the SANE library code into it. + + This exception does not, however, invalidate any other reasons why + the executable file might be covered by the GNU General Public + License. + + If you submit changes to SANE to the maintainers to be included in + a subsequent release, you agree by submitting the changes that + those changes may be distributed with this exception intact. + + If you write modifications of your own for SANE, it is your choice + whether to permit this exception to apply to your modifications. + If you do not wish that, delete this exception notice. +*/ + +#define DEBUG_DECLARE_ONLY + +#include "gl124.h" +#include "gl124_registers.h" +#include "test_settings.h" + +#include <vector> + +namespace genesys { +namespace gl124 { + +/** @brief set all registers to default values . + * This function is called only once at the beginning and + * fills register startup values for registers reused across scans. + * Those that are rarely modified or not modified are written + * individually. + * @param dev device structure holding register set to initialize + */ +static void +gl124_init_registers (Genesys_Device * dev) +{ + DBG_HELPER(dbg); + + dev->reg.clear(); + + // default to LiDE 110 + dev->reg.init_reg(0x01, 0xa2); // + REG_0x01_SHDAREA + dev->reg.init_reg(0x02, 0x90); + dev->reg.init_reg(0x03, 0x50); + dev->reg.init_reg(0x04, 0x03); + dev->reg.init_reg(0x05, 0x00); + + if(dev->model->sensor_id == SensorId::CIS_CANON_LIDE_120) { + dev->reg.init_reg(0x06, 0x50); + dev->reg.init_reg(0x07, 0x00); + } else { + dev->reg.init_reg(0x03, 0x50 & ~REG_0x03_AVEENB); + dev->reg.init_reg(0x06, 0x50 | REG_0x06_GAIN4); + } + dev->reg.init_reg(0x09, 0x00); + dev->reg.init_reg(0x0a, 0xc0); + dev->reg.init_reg(0x0b, 0x2a); + dev->reg.init_reg(0x0c, 0x12); + dev->reg.init_reg(0x11, 0x00); + dev->reg.init_reg(0x12, 0x00); + dev->reg.init_reg(0x13, 0x0f); + dev->reg.init_reg(0x14, 0x00); + dev->reg.init_reg(0x15, 0x80); + dev->reg.init_reg(0x16, 0x10); // SENSOR_DEF + dev->reg.init_reg(0x17, 0x04); // SENSOR_DEF + dev->reg.init_reg(0x18, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x19, 0x01); // SENSOR_DEF + dev->reg.init_reg(0x1a, 0x30); // SENSOR_DEF + dev->reg.init_reg(0x1b, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x1c, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x1d, 0x01); // SENSOR_DEF + dev->reg.init_reg(0x1e, 0x10); + dev->reg.init_reg(0x1f, 0x00); + dev->reg.init_reg(0x20, 0x15); // SENSOR_DEF + dev->reg.init_reg(0x21, 0x00); + if(dev->model->sensor_id != SensorId::CIS_CANON_LIDE_120) { + dev->reg.init_reg(0x22, 0x02); + } else { + dev->reg.init_reg(0x22, 0x14); + } + dev->reg.init_reg(0x23, 0x00); + dev->reg.init_reg(0x24, 0x00); + dev->reg.init_reg(0x25, 0x00); + dev->reg.init_reg(0x26, 0x0d); + dev->reg.init_reg(0x27, 0x48); + dev->reg.init_reg(0x28, 0x00); + dev->reg.init_reg(0x29, 0x56); + dev->reg.init_reg(0x2a, 0x5e); + dev->reg.init_reg(0x2b, 0x02); + dev->reg.init_reg(0x2c, 0x02); + dev->reg.init_reg(0x2d, 0x58); + dev->reg.init_reg(0x3b, 0x00); + dev->reg.init_reg(0x3c, 0x00); + dev->reg.init_reg(0x3d, 0x00); + dev->reg.init_reg(0x3e, 0x00); + dev->reg.init_reg(0x3f, 0x02); + dev->reg.init_reg(0x40, 0x00); + dev->reg.init_reg(0x41, 0x00); + dev->reg.init_reg(0x42, 0x00); + dev->reg.init_reg(0x43, 0x00); + dev->reg.init_reg(0x44, 0x00); + dev->reg.init_reg(0x45, 0x00); + dev->reg.init_reg(0x46, 0x00); + dev->reg.init_reg(0x47, 0x00); + dev->reg.init_reg(0x48, 0x00); + dev->reg.init_reg(0x49, 0x00); + dev->reg.init_reg(0x4f, 0x00); + dev->reg.init_reg(0x52, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x53, 0x02); // SENSOR_DEF + dev->reg.init_reg(0x54, 0x04); // SENSOR_DEF + dev->reg.init_reg(0x55, 0x06); // SENSOR_DEF + dev->reg.init_reg(0x56, 0x04); // SENSOR_DEF + dev->reg.init_reg(0x57, 0x04); // SENSOR_DEF + dev->reg.init_reg(0x58, 0x04); // SENSOR_DEF + dev->reg.init_reg(0x59, 0x04); // SENSOR_DEF + dev->reg.init_reg(0x5a, 0x1a); // SENSOR_DEF + dev->reg.init_reg(0x5b, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x5c, 0xc0); // SENSOR_DEF + dev->reg.init_reg(0x5f, 0x00); + dev->reg.init_reg(0x60, 0x02); + dev->reg.init_reg(0x61, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x62, 0x00); + dev->reg.init_reg(0x63, 0x00); + dev->reg.init_reg(0x64, 0x00); + dev->reg.init_reg(0x65, 0x00); + dev->reg.init_reg(0x66, 0x00); + dev->reg.init_reg(0x67, 0x00); + dev->reg.init_reg(0x68, 0x00); + dev->reg.init_reg(0x69, 0x00); + dev->reg.init_reg(0x6a, 0x00); + dev->reg.init_reg(0x6b, 0x00); + dev->reg.init_reg(0x6c, 0x00); + dev->reg.init_reg(0x6e, 0x00); + dev->reg.init_reg(0x6f, 0x00); + + if (dev->model->sensor_id != SensorId::CIS_CANON_LIDE_120) { + dev->reg.init_reg(0x6d, 0xd0); + dev->reg.init_reg(0x71, 0x08); + } else { + dev->reg.init_reg(0x6d, 0x00); + dev->reg.init_reg(0x71, 0x1f); + } + dev->reg.init_reg(0x70, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x71, 0x08); // SENSOR_DEF + dev->reg.init_reg(0x72, 0x08); // SENSOR_DEF + dev->reg.init_reg(0x73, 0x0a); // SENSOR_DEF + + // CKxMAP + dev->reg.init_reg(0x74, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x75, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x76, 0x3c); // SENSOR_DEF + dev->reg.init_reg(0x77, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x78, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x79, 0x9f); // SENSOR_DEF + dev->reg.init_reg(0x7a, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x7b, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x7c, 0x55); // SENSOR_DEF + + dev->reg.init_reg(0x7d, 0x00); + dev->reg.init_reg(0x7e, 0x08); + dev->reg.init_reg(0x7f, 0x58); + + if (dev->model->sensor_id != SensorId::CIS_CANON_LIDE_120) { + dev->reg.init_reg(0x80, 0x00); + dev->reg.init_reg(0x81, 0x14); + } else { + dev->reg.init_reg(0x80, 0x00); + dev->reg.init_reg(0x81, 0x10); + } + + // STRPIXEL + dev->reg.init_reg(0x82, 0x00); + dev->reg.init_reg(0x83, 0x00); + dev->reg.init_reg(0x84, 0x00); + + // ENDPIXEL + dev->reg.init_reg(0x85, 0x00); + dev->reg.init_reg(0x86, 0x00); + dev->reg.init_reg(0x87, 0x00); + + dev->reg.init_reg(0x88, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x89, 0x65); // SENSOR_DEF + dev->reg.init_reg(0x8a, 0x00); + dev->reg.init_reg(0x8b, 0x00); + dev->reg.init_reg(0x8c, 0x00); + dev->reg.init_reg(0x8d, 0x00); + dev->reg.init_reg(0x8e, 0x00); + dev->reg.init_reg(0x8f, 0x00); + dev->reg.init_reg(0x90, 0x00); + dev->reg.init_reg(0x91, 0x00); + dev->reg.init_reg(0x92, 0x00); + dev->reg.init_reg(0x93, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x94, 0x14); // SENSOR_DEF + dev->reg.init_reg(0x95, 0x30); // SENSOR_DEF + dev->reg.init_reg(0x96, 0x00); // SENSOR_DEF + dev->reg.init_reg(0x97, 0x90); // SENSOR_DEF + dev->reg.init_reg(0x98, 0x01); // SENSOR_DEF + dev->reg.init_reg(0x99, 0x1f); + dev->reg.init_reg(0x9a, 0x00); + dev->reg.init_reg(0x9b, 0x80); + dev->reg.init_reg(0x9c, 0x80); + dev->reg.init_reg(0x9d, 0x3f); + dev->reg.init_reg(0x9e, 0x00); + dev->reg.init_reg(0x9f, 0x00); + dev->reg.init_reg(0xa0, 0x20); + dev->reg.init_reg(0xa1, 0x30); + dev->reg.init_reg(0xa2, 0x00); + dev->reg.init_reg(0xa3, 0x20); + dev->reg.init_reg(0xa4, 0x01); + dev->reg.init_reg(0xa5, 0x00); + dev->reg.init_reg(0xa6, 0x00); + dev->reg.init_reg(0xa7, 0x08); + dev->reg.init_reg(0xa8, 0x00); + dev->reg.init_reg(0xa9, 0x08); + dev->reg.init_reg(0xaa, 0x01); + dev->reg.init_reg(0xab, 0x00); + dev->reg.init_reg(0xac, 0x00); + dev->reg.init_reg(0xad, 0x40); + dev->reg.init_reg(0xae, 0x01); + dev->reg.init_reg(0xaf, 0x00); + dev->reg.init_reg(0xb0, 0x00); + dev->reg.init_reg(0xb1, 0x40); + dev->reg.init_reg(0xb2, 0x00); + dev->reg.init_reg(0xb3, 0x09); + dev->reg.init_reg(0xb4, 0x5b); + dev->reg.init_reg(0xb5, 0x00); + dev->reg.init_reg(0xb6, 0x10); + dev->reg.init_reg(0xb7, 0x3f); + dev->reg.init_reg(0xb8, 0x00); + dev->reg.init_reg(0xbb, 0x00); + dev->reg.init_reg(0xbc, 0xff); + dev->reg.init_reg(0xbd, 0x00); + dev->reg.init_reg(0xbe, 0x07); + dev->reg.init_reg(0xc3, 0x00); + dev->reg.init_reg(0xc4, 0x00); + + /* gamma + dev->reg.init_reg(0xc5, 0x00); + dev->reg.init_reg(0xc6, 0x00); + dev->reg.init_reg(0xc7, 0x00); + dev->reg.init_reg(0xc8, 0x00); + dev->reg.init_reg(0xc9, 0x00); + dev->reg.init_reg(0xca, 0x00); + dev->reg.init_reg(0xcb, 0x00); + dev->reg.init_reg(0xcc, 0x00); + dev->reg.init_reg(0xcd, 0x00); + dev->reg.init_reg(0xce, 0x00); + */ + + if (dev->model->sensor_id == SensorId::CIS_CANON_LIDE_120) { + dev->reg.init_reg(0xc5, 0x20); + dev->reg.init_reg(0xc6, 0xeb); + dev->reg.init_reg(0xc7, 0x20); + dev->reg.init_reg(0xc8, 0xeb); + dev->reg.init_reg(0xc9, 0x20); + dev->reg.init_reg(0xca, 0xeb); + } + + // memory layout + /* + dev->reg.init_reg(0xd0, 0x0a); + dev->reg.init_reg(0xd1, 0x1f); + dev->reg.init_reg(0xd2, 0x34); + */ + dev->reg.init_reg(0xd3, 0x00); + dev->reg.init_reg(0xd4, 0x00); + dev->reg.init_reg(0xd5, 0x00); + dev->reg.init_reg(0xd6, 0x00); + dev->reg.init_reg(0xd7, 0x00); + dev->reg.init_reg(0xd8, 0x00); + dev->reg.init_reg(0xd9, 0x00); + + // memory layout + /* + dev->reg.init_reg(0xe0, 0x00); + dev->reg.init_reg(0xe1, 0x48); + dev->reg.init_reg(0xe2, 0x15); + dev->reg.init_reg(0xe3, 0x90); + dev->reg.init_reg(0xe4, 0x15); + dev->reg.init_reg(0xe5, 0x91); + dev->reg.init_reg(0xe6, 0x2a); + dev->reg.init_reg(0xe7, 0xd9); + dev->reg.init_reg(0xe8, 0x2a); + dev->reg.init_reg(0xe9, 0xad); + dev->reg.init_reg(0xea, 0x40); + dev->reg.init_reg(0xeb, 0x22); + dev->reg.init_reg(0xec, 0x40); + dev->reg.init_reg(0xed, 0x23); + dev->reg.init_reg(0xee, 0x55); + dev->reg.init_reg(0xef, 0x6b); + dev->reg.init_reg(0xf0, 0x55); + dev->reg.init_reg(0xf1, 0x6c); + dev->reg.init_reg(0xf2, 0x6a); + dev->reg.init_reg(0xf3, 0xb4); + dev->reg.init_reg(0xf4, 0x6a); + dev->reg.init_reg(0xf5, 0xb5); + dev->reg.init_reg(0xf6, 0x7f); + dev->reg.init_reg(0xf7, 0xfd); + */ + + dev->reg.init_reg(0xf8, 0x01); // other value is 0x05 + dev->reg.init_reg(0xf9, 0x00); + dev->reg.init_reg(0xfa, 0x00); + dev->reg.init_reg(0xfb, 0x00); + dev->reg.init_reg(0xfc, 0x00); + dev->reg.init_reg(0xff, 0x00); + + // fine tune upon device description + const auto& sensor = sanei_genesys_find_sensor_any(dev); + sanei_genesys_set_dpihw(dev->reg, sensor, sensor.optical_res); + + dev->calib_reg = dev->reg; +} + +/**@brief send slope table for motor movement + * Send slope_table in machine byte order + * @param dev device to send slope table + * @param table_nr index of the slope table in ASIC memory + * Must be in the [0-4] range. + * @param slope_table pointer to 16 bit values array of the slope table + * @param steps number of elemnts in the slope table + */ +static void gl124_send_slope_table(Genesys_Device* dev, int table_nr, + const std::vector<uint16_t>& slope_table, + int steps) +{ + DBG_HELPER_ARGS(dbg, "table_nr = %d, steps = %d", table_nr, steps); + int i; + char msg[10000]; + + /* sanity check */ + if(table_nr<0 || table_nr>4) + { + throw SaneException("invalid table number"); + } + + std::vector<uint8_t> table(steps * 2); + for (i = 0; i < steps; i++) + { + table[i * 2] = slope_table[i] & 0xff; + table[i * 2 + 1] = slope_table[i] >> 8; + } + + if (DBG_LEVEL >= DBG_io) + { + std::sprintf(msg, "write slope %d (%d)=", table_nr, steps); + for (i = 0; i < steps; i++) { + std::sprintf(msg + std::strlen(msg), ",%d", slope_table[i]); + } + DBG (DBG_io, "%s: %s\n", __func__, msg); + } + + if (dev->interface->is_mock()) { + dev->interface->record_slope_table(table_nr, slope_table); + } + // slope table addresses are fixed + dev->interface->write_ahb(0x10000000 + 0x4000 * table_nr, steps * 2, table.data()); +} + +/** @brief * Set register values of 'special' ti type frontend + * Registers value are taken from the frontend register data + * set. + * @param dev device owning the AFE + * @param set flag AFE_INIT to specify the AFE must be reset before writing data + * */ +static void gl124_set_ti_fe(Genesys_Device* dev, uint8_t set) +{ + DBG_HELPER(dbg); + int i; + + if (set == AFE_INIT) + { + DBG(DBG_proc, "%s: setting DAC %u\n", __func__, + static_cast<unsigned>(dev->model->adc_id)); + + dev->frontend = dev->frontend_initial; + } + + // start writing to DAC + dev->interface->write_fe_register(0x00, 0x80); + + /* write values to analog frontend */ + for (uint16_t addr = 0x01; addr < 0x04; addr++) + { + dev->interface->write_fe_register(addr, dev->frontend.regs.get_value(addr)); + } + + dev->interface->write_fe_register(0x04, 0x00); + + /* these are not really sign for this AFE */ + for (i = 0; i < 3; i++) + { + dev->interface->write_fe_register(0x05 + i, dev->frontend.regs.get_value(0x24 + i)); + } + + if (dev->model->adc_id == AdcId::CANON_LIDE_120) { + dev->interface->write_fe_register(0x00, 0x01); + } + else + { + dev->interface->write_fe_register(0x00, 0x11); + } +} + + +// Set values of analog frontend +void CommandSetGl124::set_fe(Genesys_Device* dev, const Genesys_Sensor& sensor, uint8_t set) const +{ + DBG_HELPER_ARGS(dbg, "%s", set == AFE_INIT ? "init" : + set == AFE_SET ? "set" : + set == AFE_POWER_SAVE ? "powersave" : "huh?"); + (void) sensor; + uint8_t val; + + if (set == AFE_INIT) + { + DBG(DBG_proc, "%s(): setting DAC %u\n", __func__, + static_cast<unsigned>(dev->model->adc_id)); + dev->frontend = dev->frontend_initial; + } + + val = dev->interface->read_register(REG_0x0A); + + /* route to correct analog FE */ + switch ((val & REG_0x0A_SIFSEL) >> REG_0x0AS_SIFSEL) { + case 3: + gl124_set_ti_fe(dev, set); + break; + case 0: + case 1: + case 2: + default: + throw SaneException("unsupported analog FE 0x%02x", val); + } +} + +static void gl124_init_motor_regs_scan(Genesys_Device* dev, + const Genesys_Sensor& sensor, + Genesys_Register_Set* reg, + const Motor_Profile& motor_profile, + unsigned int scan_exposure_time, + unsigned scan_yres, + unsigned int scan_lines, + unsigned int scan_dummy, + unsigned int feed_steps, + ScanColorMode scan_mode, + MotorFlag flags) +{ + DBG_HELPER(dbg); + int use_fast_fed; + unsigned int lincnt, fast_dpi; + unsigned int feedl,dist; + uint32_t z1, z2; + unsigned yres; + unsigned min_speed; + unsigned int linesel; + + DBG(DBG_info, "%s : scan_exposure_time=%d, scan_yres=%d, step_type=%d, scan_lines=%d, " + "scan_dummy=%d, feed_steps=%d, scan_mode=%d, flags=%x\n", __func__, scan_exposure_time, + scan_yres, static_cast<unsigned>(motor_profile.step_type), scan_lines, scan_dummy, + feed_steps, static_cast<unsigned>(scan_mode), + static_cast<unsigned>(flags)); + + /* we never use fast fed since we do manual feed for the scans */ + use_fast_fed=0; + + /* enforce motor minimal scan speed + * @TODO extend motor struct for this value */ + if (scan_mode == ScanColorMode::COLOR_SINGLE_PASS) + { + min_speed = 900; + } + else + { + switch(dev->model->motor_id) + { + case MotorId::CANON_LIDE_110: + min_speed = 600; + break; + case MotorId::CANON_LIDE_120: + min_speed = 900; + break; + default: + min_speed = 900; + break; + } + } + + /* compute min_speed and linesel */ + if(scan_yres<min_speed) + { + yres=min_speed; + linesel = yres / scan_yres - 1; + /* limit case, we need a linesel > 0 */ + if(linesel==0) + { + linesel=1; + yres=scan_yres*2; + } + } + else + { + yres=scan_yres; + linesel=0; + } + + DBG(DBG_io2, "%s: final yres=%d, linesel=%d\n", __func__, yres, linesel); + + lincnt=scan_lines*(linesel+1); + reg->set24(REG_LINCNT, lincnt); + DBG (DBG_io, "%s: lincnt=%d\n", __func__, lincnt); + + /* compute register 02 value */ + uint8_t r02 = REG_0x02_NOTHOME; + + if (use_fast_fed) { + r02 |= REG_0x02_FASTFED; + } else { + r02 &= ~REG_0x02_FASTFED; + } + + if (has_flag(flags, MotorFlag::AUTO_GO_HOME)) { + r02 |= REG_0x02_AGOHOME; + } + + if (has_flag(flags, MotorFlag::DISABLE_BUFFER_FULL_MOVE) || (yres >= sensor.optical_res)) + { + r02 |= REG_0x02_ACDCDIS; + } + if (has_flag(flags, MotorFlag::REVERSE)) { + r02 |= REG_0x02_MTRREV; + } + + reg->set8(REG_0x02, r02); + sanei_genesys_set_motor_power(*reg, true); + + reg->set16(REG_SCANFED, 4); + + /* scan and backtracking slope table */ + auto scan_table = sanei_genesys_slope_table(dev->model->asic_type, yres, scan_exposure_time, + dev->motor.base_ydpi, 1, + motor_profile); + gl124_send_slope_table(dev, SCAN_TABLE, scan_table.table, scan_table.steps_count); + gl124_send_slope_table(dev, BACKTRACK_TABLE, scan_table.table, scan_table.steps_count); + + reg->set16(REG_STEPNO, scan_table.steps_count); + + /* fast table */ + fast_dpi=yres; + + /* + if (scan_mode != ScanColorMode::COLOR_SINGLE_PASS) + { + fast_dpi*=3; + } + */ + auto fast_table = sanei_genesys_slope_table(dev->model->asic_type, fast_dpi, + scan_exposure_time, dev->motor.base_ydpi, + 1, motor_profile); + gl124_send_slope_table(dev, STOP_TABLE, fast_table.table, fast_table.steps_count); + gl124_send_slope_table(dev, FAST_TABLE, fast_table.table, fast_table.steps_count); + + reg->set16(REG_FASTNO, fast_table.steps_count); + reg->set16(REG_FSHDEC, fast_table.steps_count); + reg->set16(REG_FMOVNO, fast_table.steps_count); + + /* substract acceleration distance from feedl */ + feedl=feed_steps; + feedl <<= static_cast<unsigned>(motor_profile.step_type); + + dist = scan_table.steps_count; + if (has_flag(flags, MotorFlag::FEED)) { + dist *= 2; + } + if (use_fast_fed) { + dist += fast_table.steps_count * 2; + } + DBG (DBG_io2, "%s: acceleration distance=%d\n", __func__, dist); + + /* get sure we don't use insane value */ + if (dist < feedl) { + feedl -= dist; + } else { + feedl = 0; + } + + reg->set24(REG_FEEDL, feedl); + DBG (DBG_io, "%s: feedl=%d\n", __func__, feedl); + + /* doesn't seem to matter that much */ + sanei_genesys_calculate_zmod(use_fast_fed, + scan_exposure_time, + scan_table.table, + scan_table.steps_count, + feedl, + scan_table.steps_count, + &z1, + &z2); + + reg->set24(REG_Z1MOD, z1); + DBG(DBG_info, "%s: z1 = %d\n", __func__, z1); + + reg->set24(REG_Z2MOD, z2); + DBG(DBG_info, "%s: z2 = %d\n", __func__, z2); + + /* LINESEL */ + reg->set8_mask(REG_0x1D, linesel, REG_0x1D_LINESEL); + reg->set8(REG_0xA0, (static_cast<unsigned>(motor_profile.step_type) << REG_0xA0S_STEPSEL) | + (static_cast<unsigned>(motor_profile.step_type) << REG_0xA0S_FSTPSEL)); + + reg->set16(REG_FMOVDEC, fast_table.steps_count); +} + + +/** @brief copy sensor specific settings + * Set up register set for the given sensor resolution. Values are from the device table + * in genesys_devices.c for registers: + * [0x16 ... 0x1d] + * [0x52 ... 0x5e] + * Other come from the specific device sensor table in genesys_gl124.h: + * 0x18, 0x20, 0x61, 0x98 and + * @param dev device to set up + * @param regs register set to modify + * @param dpi resolution of the sensor during scan + * @param ccd_size_divisor flag for half ccd mode + * */ +static void gl124_setup_sensor(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set* regs) +{ + DBG_HELPER(dbg); + + for (const auto& reg : sensor.custom_regs) { + regs->set8(reg.address, reg.value); + } + + regs->set24(REG_EXPR, sensor.exposure.red); + regs->set24(REG_EXPG, sensor.exposure.green); + regs->set24(REG_EXPB, sensor.exposure.blue); + + dev->segment_order = sensor.segment_order; +} + +/** @brief setup optical related registers + * start and pixels are expressed in optical sensor resolution coordinate + * space. + * @param dev scanner device to use + * @param reg registers to set up + * @param exposure_time exposure time to use + * @param used_res scanning resolution used, may differ from + * scan's one + * @param start logical start pixel coordinate + * @param pixels logical number of pixels to use + * @param channels number of color channels (currently 1 or 3) + * @param depth bit depth of the scan (1, 8 or 16) + * @param ccd_size_divisor whether sensor's timings are such that x coordinates must be halved + * @param color_filter color channel to use as gray data + * @param flags optical flags (@see ) + */ +static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set* reg, unsigned int exposure_time, + const ScanSession& session) +{ + DBG_HELPER_ARGS(dbg, "exposure_time=%d", exposure_time); + unsigned int dpihw; + GenesysRegister *r; + uint32_t expmax; + + // resolution is divided according to ccd_pixels_per_system_pixel + unsigned ccd_pixels_per_system_pixel = sensor.ccd_pixels_per_system_pixel(); + DBG(DBG_io2, "%s: ccd_pixels_per_system_pixel=%d\n", __func__, ccd_pixels_per_system_pixel); + + // to manage high resolution device while keeping good low resolution scanning speed, we + // make hardware dpi vary + dpihw = sensor.get_register_hwdpi(session.output_resolution * ccd_pixels_per_system_pixel); + DBG(DBG_io2, "%s: dpihw=%d\n", __func__, dpihw); + + gl124_setup_sensor(dev, sensor, reg); + + dev->cmd_set->set_fe(dev, sensor, AFE_SET); + + /* enable shading */ + regs_set_optical_off(dev->model->asic_type, *reg); + r = sanei_genesys_get_address (reg, REG_0x01); + if (has_flag(session.params.flags, ScanFlag::DISABLE_SHADING) || + (dev->model->flags & GENESYS_FLAG_NO_CALIBRATION)) + { + r->value &= ~REG_0x01_DVDSET; + } else { + r->value |= REG_0x01_DVDSET; + } + + r = sanei_genesys_get_address(reg, REG_0x03); + if ((dev->model->sensor_id != SensorId::CIS_CANON_LIDE_120) && (session.params.xres>=600)) { + r->value &= ~REG_0x03_AVEENB; + DBG (DBG_io, "%s: disabling AVEENB\n", __func__); + } + else + { + r->value |= ~REG_0x03_AVEENB; + DBG (DBG_io, "%s: enabling AVEENB\n", __func__); + } + + sanei_genesys_set_lamp_power(dev, sensor, *reg, + !has_flag(session.params.flags, ScanFlag::DISABLE_LAMP)); + + // BW threshold + dev->interface->write_register(REG_0x114, dev->settings.threshold); + dev->interface->write_register(REG_0x115, dev->settings.threshold); + + /* monochrome / color scan */ + r = sanei_genesys_get_address (reg, REG_0x04); + switch (session.params.depth) { + case 8: + r->value &= ~(REG_0x04_LINEART | REG_0x04_BITSET); + break; + case 16: + r->value &= ~REG_0x04_LINEART; + r->value |= REG_0x04_BITSET; + break; + } + + r->value &= ~REG_0x04_FILTER; + if (session.params.channels == 1) + { + switch (session.params.color_filter) + { + case ColorFilter::RED: + r->value |= 0x10; + break; + case ColorFilter::BLUE: + r->value |= 0x30; + break; + case ColorFilter::GREEN: + r->value |= 0x20; + break; + default: + break; // should not happen + } + } + + sanei_genesys_set_dpihw(*reg, sensor, dpihw); + + if (should_enable_gamma(session, sensor)) { + reg->find_reg(REG_0x05).value |= REG_0x05_GMMENB; + } else { + reg->find_reg(REG_0x05).value &= ~REG_0x05_GMMENB; + } + + unsigned dpiset_reg = session.output_resolution * ccd_pixels_per_system_pixel * + session.ccd_size_divisor; + if (sensor.dpiset_override != 0) { + dpiset_reg = sensor.dpiset_override; + } + + reg->set16(REG_DPISET, dpiset_reg); + DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset_reg); + + r = sanei_genesys_get_address(reg, REG_0x06); + r->value |= REG_0x06_GAIN4; + + /* CIS scanners can do true gray by setting LEDADD */ + /* we set up LEDADD only when asked */ + if (dev->model->is_cis) { + r = sanei_genesys_get_address (reg, REG_0x60); + r->value &= ~REG_0x60_LEDADD; + if (session.enable_ledadd) { + r->value |= REG_0x60_LEDADD; + expmax = reg->get24(REG_EXPR); + expmax = std::max(expmax, reg->get24(REG_EXPG)); + expmax = std::max(expmax, reg->get24(REG_EXPB)); + + dev->reg.set24(REG_EXPR, expmax); + dev->reg.set24(REG_EXPG, expmax); + dev->reg.set24(REG_EXPB, expmax); + } + /* RGB weighting, REG_TRUER,G and B are to be set */ + r = sanei_genesys_get_address (reg, 0x01); + r->value &= ~REG_0x01_TRUEGRAY; + if (session.enable_ledadd) { + r->value |= REG_0x01_TRUEGRAY; + dev->interface->write_register(REG_TRUER, 0x80); + dev->interface->write_register(REG_TRUEG, 0x80); + dev->interface->write_register(REG_TRUEB, 0x80); + } + } + + reg->set24(REG_STRPIXEL, session.pixel_startx); + reg->set24(REG_ENDPIXEL, session.pixel_endx); + + dev->line_count = 0; + + build_image_pipeline(dev, session); + + // MAXWD is expressed in 2 words unit + + // BUG: we shouldn't multiply by channels here + reg->set24(REG_MAXWD, session.output_line_bytes_raw / session.ccd_size_divisor * session.params.channels); + + reg->set24(REG_LPERIOD, exposure_time); + DBG (DBG_io2, "%s: exposure_time used=%d\n", __func__, exposure_time); + + reg->set16(REG_DUMMY, sensor.dummy_pixel); +} + +void CommandSetGl124::init_regs_for_scan_session(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set* reg, + const ScanSession& session) const +{ + DBG_HELPER(dbg); + session.assert_computed(); + + int move; + int exposure_time; + + int dummy = 0; + int slope_dpi = 0; + + /* cis color scan is effectively a gray scan with 3 gray lines per color line and a FILTER of 0 */ + if (dev->model->is_cis) { + slope_dpi = session.params.yres * session.params.channels; + } else { + slope_dpi = session.params.yres; + } + + if (has_flag(session.params.flags, ScanFlag::FEEDING)) { + exposure_time = 2304; + } else { + exposure_time = sensor.exposure_lperiod; + } + const auto& motor_profile = sanei_genesys_get_motor_profile(*gl124_motor_profiles, + dev->model->motor_id, + exposure_time); + + DBG(DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time); + DBG(DBG_info, "%s : scan_step_type=%d\n", __func__, static_cast<unsigned>(motor_profile.step_type)); + + /* we enable true gray for cis scanners only, and just when doing + * scan since color calibration is OK for this mode + */ + + // now _LOGICAL_ optical values used are known, setup registers + gl124_init_optical_regs_scan(dev, sensor, reg, exposure_time, session); + + /* add tl_y to base movement */ + move = session.params.starty; + DBG(DBG_info, "%s: move=%d steps\n", __func__, move); + + MotorFlag mflags = MotorFlag::NONE; + if (has_flag(session.params.flags, ScanFlag::DISABLE_BUFFER_FULL_MOVE)) { + mflags |= MotorFlag::DISABLE_BUFFER_FULL_MOVE; + } + if (has_flag(session.params.flags, ScanFlag::FEEDING)) { + mflags |= MotorFlag::FEED; + } + if (has_flag(session.params.flags, ScanFlag::REVERSE)) { + mflags |= MotorFlag::REVERSE; + } + gl124_init_motor_regs_scan(dev, sensor, reg, motor_profile, exposure_time, slope_dpi, + dev->model->is_cis ? session.output_line_count * session.params.channels : + session.output_line_count, + dummy, move, session.params.scan_mode, mflags); + + /*** prepares data reordering ***/ + + dev->read_buffer.clear(); + dev->read_buffer.alloc(session.buffer_size_read); + + dev->read_active = true; + + dev->session = session; + + dev->total_bytes_read = 0; + dev->total_bytes_to_read = session.output_line_bytes_requested * session.params.lines; + + DBG(DBG_info, "%s: total bytes to send to frontend = %zu\n", __func__, + dev->total_bytes_to_read); +} + +ScanSession CommandSetGl124::calculate_scan_session(const Genesys_Device* dev, + const Genesys_Sensor& sensor, + const Genesys_Settings& settings) const +{ + int start; + + DBG(DBG_info, "%s ", __func__); + debug_dump(DBG_info, settings); + + /* start */ + start = static_cast<int>(dev->model->x_offset); + start += static_cast<int>(settings.tl_x); + start = static_cast<int>((start * sensor.optical_res) / MM_PER_INCH); + + ScanSession session; + session.params.xres = settings.xres; + session.params.yres = settings.yres; + session.params.startx = start; + session.params.starty = 0; // not used + session.params.pixels = settings.pixels; + session.params.requested_pixels = settings.requested_pixels; + session.params.lines = settings.lines; + session.params.depth = settings.depth; + session.params.channels = settings.get_channels(); + session.params.scan_method = settings.scan_method; + session.params.scan_mode = settings.scan_mode; + session.params.color_filter = settings.color_filter; + session.params.flags = ScanFlag::NONE; + + compute_session(dev, session, sensor); + + return session; +} + +/** + * for fast power saving methods only, like disabling certain amplifiers + * @param dev device to use + * @param enable true to set inot powersaving + * */ +void CommandSetGl124::save_power(Genesys_Device* dev, bool enable) const +{ + (void) dev; + DBG_HELPER_ARGS(dbg, "enable = %d", enable); +} + +void CommandSetGl124::set_powersaving(Genesys_Device* dev, int delay /* in minutes */) const +{ + DBG_HELPER_ARGS(dbg, "delay = %d", delay); + GenesysRegister *r; + + r = sanei_genesys_get_address(&dev->reg, REG_0x03); + r->value &= ~0xf0; + if(delay<15) + { + r->value |= delay; + } + else + { + r->value |= 0x0f; + } +} + +/** @brief setup GPIOs for scan + * Setup GPIO values to drive motor (or light) needed for the + * target resolution + * @param *dev device to set up + * @param resolution dpi of the target scan + */ +void gl124_setup_scan_gpio(Genesys_Device* dev, int resolution) +{ + DBG_HELPER(dbg); + + uint8_t val = dev->interface->read_register(REG_0x32); + + /* LiDE 110, 210 and 220 cases */ + if(dev->model->gpio_id != GpioId::CANON_LIDE_120) { + if(resolution>=dev->motor.base_ydpi/2) + { + val &= 0xf7; + } + else if(resolution>=dev->motor.base_ydpi/4) + { + val &= 0xef; + } + else + { + val |= 0x10; + } + } + /* 120 : <=300 => 0x53 */ + else + { /* base_ydpi is 4800 */ + if(resolution<=300) + { + val &= 0xf7; + } + else if(resolution<=600) + { + val |= 0x08; + } + else if(resolution<=1200) + { + val &= 0xef; + val |= 0x08; + } + else + { + val &= 0xf7; + } + } + val |= 0x02; + dev->interface->write_register(REG_0x32, val); +} + +// Send the low-level scan command +// todo: is this that useful ? +void CommandSetGl124::begin_scan(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set* reg, bool start_motor) const +{ + DBG_HELPER(dbg); + (void) sensor; + (void) reg; + + // set up GPIO for scan + gl124_setup_scan_gpio(dev,dev->settings.yres); + + // clear scan and feed count + dev->interface->write_register(REG_0x0D, REG_0x0D_CLRLNCNT | REG_0x0D_CLRMCNT); + + // enable scan and motor + uint8_t val = dev->interface->read_register(REG_0x01); + val |= REG_0x01_SCAN; + dev->interface->write_register(REG_0x01, val); + + scanner_start_action(*dev, start_motor); + + dev->advance_head_pos_by_session(ScanHeadId::PRIMARY); +} + + +// Send the stop scan command +void CommandSetGl124::end_scan(Genesys_Device* dev, Genesys_Register_Set* reg, + bool check_stop) const +{ + (void) reg; + DBG_HELPER_ARGS(dbg, "check_stop = %d", check_stop); + + if (!dev->model->is_sheetfed) { + scanner_stop_action(*dev); + } +} + + +/** Park head + * Moves the slider to the home (top) position slowly + * @param dev device to park + * @param wait_until_home true to make the function waiting for head + * to be home before returning, if fals returne immediately + */ +void CommandSetGl124::move_back_home(Genesys_Device* dev, bool wait_until_home) const +{ + scanner_move_back_home(*dev, wait_until_home); +} + +// Automatically set top-left edge of the scan area by scanning a 200x200 pixels area at 600 dpi +// from very top of scanner +void CommandSetGl124::search_start_position(Genesys_Device* dev) const +{ + DBG_HELPER(dbg); + int size; + Genesys_Register_Set local_reg = dev->reg; + + int pixels = 600; + int dpi = 300; + + /* sets for a 200 lines * 600 pixels */ + /* normal scan with no shading */ + + // FIXME: the current approach of doing search only for one resolution does not work on scanners + // whith employ different sensors with potentially different settings. + const auto& sensor = sanei_genesys_find_sensor(dev, dpi, 1, ScanMethod::FLATBED); + + ScanSession session; + session.params.xres = dpi; + session.params.yres = dpi; + session.params.startx = 0; + session.params.starty = 0; /*we should give a small offset here~60 steps */ + session.params.pixels = 600; + session.params.lines = dev->model->search_lines; + session.params.depth = 8; + session.params.channels = 1; + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = ScanColorMode::GRAY; + session.params.color_filter = ColorFilter::GREEN; + session.params.flags = ScanFlag::DISABLE_SHADING | + ScanFlag::DISABLE_GAMMA | + ScanFlag::IGNORE_LINE_DISTANCE | + ScanFlag::DISABLE_BUFFER_FULL_MOVE; + compute_session(dev, session, sensor); + + init_regs_for_scan_session(dev, sensor, &local_reg, session); + + // send to scanner + dev->interface->write_registers(local_reg); + + size = pixels * dev->model->search_lines; + + std::vector<uint8_t> data(size); + + begin_scan(dev, sensor, &local_reg, true); + + if (is_testing_mode()) { + dev->interface->test_checkpoint("search_start_position"); + end_scan(dev, &local_reg, true); + dev->reg = local_reg; + return; + } + + wait_until_buffer_non_empty(dev); + + // now we're on target, we can read data + sanei_genesys_read_data_from_scanner(dev, data.data(), size); + + if (DBG_LEVEL >= DBG_data) { + sanei_genesys_write_pnm_file("gl124_search_position.pnm", data.data(), 8, 1, pixels, + dev->model->search_lines); + } + + end_scan(dev, &local_reg, true); + + /* update regs to copy ASIC internal state */ + dev->reg = local_reg; + + for (auto& sensor_update : + sanei_genesys_find_sensors_all_for_write(dev, dev->model->default_method)) + { + sanei_genesys_search_reference_point(dev, sensor_update, data.data(), 0, dpi, pixels, + dev->model->search_lines); + } +} + +// sets up register for coarse gain calibration +// todo: check it for scanners using it +void CommandSetGl124::init_regs_for_coarse_calibration(Genesys_Device* dev, + const Genesys_Sensor& sensor, + Genesys_Register_Set& regs) const +{ + DBG_HELPER(dbg); + + ScanSession session; + session.params.xres = dev->settings.xres; + session.params.yres = dev->settings.yres; + session.params.startx = 0; + session.params.starty = 0; + session.params.pixels = sensor.optical_res / sensor.ccd_pixels_per_system_pixel(); + session.params.lines = 20; + session.params.depth = 16; + session.params.channels = dev->settings.get_channels(); + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = dev->settings.scan_mode; + session.params.color_filter = dev->settings.color_filter; + session.params.flags = ScanFlag::DISABLE_SHADING | + ScanFlag::DISABLE_GAMMA | + ScanFlag::SINGLE_LINE | + ScanFlag::FEEDING | + ScanFlag::IGNORE_LINE_DISTANCE; + compute_session(dev, session, sensor); + + init_regs_for_scan_session(dev, sensor, ®s, session); + + sanei_genesys_set_motor_power(regs, false); + + DBG(DBG_info, "%s: optical sensor res: %d dpi, actual res: %d\n", __func__, + sensor.optical_res / sensor.ccd_pixels_per_system_pixel(), dev->settings.xres); + + dev->interface->write_registers(regs); +} + + +// init registers for shading calibration shading calibration is done at dpihw +void CommandSetGl124::init_regs_for_shading(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set& regs) const +{ + DBG_HELPER(dbg); + int move, resolution, dpihw, factor; + + /* initial calibration reg values */ + regs = dev->reg; + + dev->calib_channels = 3; + dev->calib_lines = dev->model->shading_lines; + dpihw = sensor.get_register_hwdpi(dev->settings.xres); + if(dpihw>=2400) + { + dev->calib_lines *= 2; + } + resolution=dpihw; + + unsigned ccd_size_divisor = sensor.get_ccd_size_divisor_for_dpi(dev->settings.xres); + + resolution /= ccd_size_divisor; + dev->calib_lines /= ccd_size_divisor; // reducing just because we reduced the resolution + + const auto& calib_sensor = sanei_genesys_find_sensor(dev, resolution, + dev->calib_channels, + dev->settings.scan_method); + dev->calib_resolution = resolution; + dev->calib_total_bytes_to_read = 0; + factor = calib_sensor.optical_res / resolution; + dev->calib_pixels = calib_sensor.sensor_pixels / factor; + + /* distance to move to reach white target at high resolution */ + move=0; + if (dev->settings.yres >= 1200) { + move = static_cast<int>(dev->model->y_offset_calib_white); + move = static_cast<int>((move * (dev->motor.base_ydpi/4)) / MM_PER_INCH); + } + DBG (DBG_io, "%s: move=%d steps\n", __func__, move); + + ScanSession session; + session.params.xres = resolution; + session.params.yres = resolution; + session.params.startx = 0; + session.params.starty = move; + session.params.pixels = dev->calib_pixels; + session.params.lines = dev->calib_lines; + session.params.depth = 16; + session.params.channels = dev->calib_channels; + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; + session.params.color_filter = ColorFilter::RED; + session.params.flags = ScanFlag::DISABLE_SHADING | + ScanFlag::DISABLE_GAMMA | + ScanFlag::DISABLE_BUFFER_FULL_MOVE | + ScanFlag::IGNORE_LINE_DISTANCE; + compute_session(dev, session, calib_sensor); + + try { + init_regs_for_scan_session(dev, calib_sensor, ®s, session); + } catch (...) { + catch_all_exceptions(__func__, [&](){ sanei_genesys_set_motor_power(regs, false); }); + throw; + } + sanei_genesys_set_motor_power(regs, false); + + dev->interface->write_registers(regs); +} + +void CommandSetGl124::wait_for_motor_stop(Genesys_Device* dev) const +{ + DBG_HELPER(dbg); + + auto status = scanner_read_status(*dev); + uint8_t val40 = dev->interface->read_register(REG_0x100); + + if (!status.is_motor_enabled && (val40 & REG_0x100_MOTMFLG) == 0) { + return; + } + + do { + dev->interface->sleep_ms(10); + status = scanner_read_status(*dev); + val40 = dev->interface->read_register(REG_0x100); + } while (status.is_motor_enabled ||(val40 & REG_0x100_MOTMFLG)); + dev->interface->sleep_ms(50); +} + +/** @brief set up registers for the actual scan + */ +void CommandSetGl124::init_regs_for_scan(Genesys_Device* dev, const Genesys_Sensor& sensor) const +{ + DBG_HELPER(dbg); + float move; + int move_dpi; + float start; + + debug_dump(DBG_info, dev->settings); + + /* y (motor) distance to move to reach scanned area */ + move_dpi = dev->motor.base_ydpi/4; + move = static_cast<float>(dev->model->y_offset); + move += static_cast<float>(dev->settings.tl_y); + move = static_cast<float>((move * move_dpi) / MM_PER_INCH); + DBG (DBG_info, "%s: move=%f steps\n", __func__, move); + + if (dev->settings.get_channels() * dev->settings.yres >= 600 && move > 700) { + scanner_move(*dev, dev->model->default_method, static_cast<unsigned>(move - 500), + Direction::FORWARD); + move=500; + } + DBG(DBG_info, "%s: move=%f steps\n", __func__, move); + + /* start */ + start = static_cast<float>(dev->model->x_offset); + start += static_cast<float>(dev->settings.tl_x); + start /= sensor.get_ccd_size_divisor_for_dpi(dev->settings.xres); + start = static_cast<float>((start * sensor.optical_res) / MM_PER_INCH); + + ScanSession session; + session.params.xres = dev->settings.xres; + session.params.yres = dev->settings.yres; + session.params.startx = static_cast<unsigned>(start); + session.params.starty = static_cast<unsigned>(move); + session.params.pixels = dev->settings.pixels; + session.params.requested_pixels = dev->settings.requested_pixels; + session.params.lines = dev->settings.lines; + session.params.depth = dev->settings.depth; + session.params.channels = dev->settings.get_channels(); + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = dev->settings.scan_mode; + session.params.color_filter = dev->settings.color_filter; + session.params.flags = ScanFlag::NONE; + compute_session(dev, session, sensor); + + init_regs_for_scan_session(dev, sensor, &dev->reg, session); +} + +/** + * Send shading calibration data. The buffer is considered to always hold values + * for all the channels. + */ +void CommandSetGl124::send_shading_data(Genesys_Device* dev, const Genesys_Sensor& sensor, + std::uint8_t* data, int size) const +{ + DBG_HELPER_ARGS(dbg, "writing %d bytes of shading data", size); + uint32_t addr, length, x, factor, segcnt, pixels, i; + uint16_t dpiset,dpihw; + uint8_t *ptr, *src; + + /* logical size of a color as seen by generic code of the frontend */ + length = size / 3; + std::uint32_t strpixel = dev->session.pixel_startx; + std::uint32_t endpixel = dev->session.pixel_endx; + segcnt = dev->reg.get24(REG_SEGCNT); + if(endpixel==0) + { + endpixel=segcnt; + } + + /* compute deletion factor */ + dpiset = dev->reg.get16(REG_DPISET); + dpihw = sensor.get_register_hwdpi(dpiset); + factor=dpihw/dpiset; + DBG( DBG_io2, "%s: factor=%d\n",__func__,factor); + + /* turn pixel value into bytes 2x16 bits words */ + strpixel*=2*2; /* 2 words of 2 bytes */ + endpixel*=2*2; + segcnt*=2*2; + pixels=endpixel-strpixel; + + dev->interface->record_key_value("shading_start_pixel", std::to_string(strpixel)); + dev->interface->record_key_value("shading_pixels", std::to_string(pixels)); + dev->interface->record_key_value("shading_length", std::to_string(length)); + dev->interface->record_key_value("shading_factor", std::to_string(factor)); + dev->interface->record_key_value("shading_segcnt", std::to_string(segcnt)); + dev->interface->record_key_value("shading_segment_count", + std::to_string(dev->session.segment_count)); + + DBG( DBG_io2, "%s: using chunks of %d bytes (%d shading data pixels)\n",__func__,length, length/4); + std::vector<uint8_t> buffer(pixels * dev->session.segment_count, 0); + + /* write actual red data */ + for(i=0;i<3;i++) + { + /* copy data to work buffer and process it */ + /* coefficent destination */ + ptr = buffer.data(); + + /* iterate on both sensor segment */ + for(x=0;x<pixels;x+=4*factor) + { + /* coefficient source */ + src=data+x+strpixel+i*length; + + /* iterate over all the segments */ + switch (dev->session.segment_count) { + case 1: + ptr[0+pixels*0]=src[0+segcnt*0]; + ptr[1+pixels*0]=src[1+segcnt*0]; + ptr[2+pixels*0]=src[2+segcnt*0]; + ptr[3+pixels*0]=src[3+segcnt*0]; + break; + case 2: + ptr[0+pixels*0]=src[0+segcnt*0]; + ptr[1+pixels*0]=src[1+segcnt*0]; + ptr[2+pixels*0]=src[2+segcnt*0]; + ptr[3+pixels*0]=src[3+segcnt*0]; + ptr[0+pixels*1]=src[0+segcnt*1]; + ptr[1+pixels*1]=src[1+segcnt*1]; + ptr[2+pixels*1]=src[2+segcnt*1]; + ptr[3+pixels*1]=src[3+segcnt*1]; + break; + case 4: + ptr[0+pixels*0]=src[0+segcnt*0]; + ptr[1+pixels*0]=src[1+segcnt*0]; + ptr[2+pixels*0]=src[2+segcnt*0]; + ptr[3+pixels*0]=src[3+segcnt*0]; + ptr[0+pixels*1]=src[0+segcnt*2]; + ptr[1+pixels*1]=src[1+segcnt*2]; + ptr[2+pixels*1]=src[2+segcnt*2]; + ptr[3+pixels*1]=src[3+segcnt*2]; + ptr[0+pixels*2]=src[0+segcnt*1]; + ptr[1+pixels*2]=src[1+segcnt*1]; + ptr[2+pixels*2]=src[2+segcnt*1]; + ptr[3+pixels*2]=src[3+segcnt*1]; + ptr[0+pixels*3]=src[0+segcnt*3]; + ptr[1+pixels*3]=src[1+segcnt*3]; + ptr[2+pixels*3]=src[2+segcnt*3]; + ptr[3+pixels*3]=src[3+segcnt*3]; + break; + } + + /* next shading coefficient */ + ptr+=4; + } + uint8_t val = dev->interface->read_register(0xd0+i); + addr = val * 8192 + 0x10000000; + dev->interface->write_ahb(addr, pixels * dev->session.segment_count, buffer.data()); + } +} + + +/** @brief move to calibration area + * This functions moves scanning head to calibration area + * by doing a 600 dpi scan + * @param dev scanner device + */ +static void move_to_calibration_area(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set& regs) +{ + (void) sensor; + + DBG_HELPER(dbg); + int pixels; + int size; + + unsigned resolution = 600; + unsigned channels = 3; + const auto& move_sensor = sanei_genesys_find_sensor(dev, resolution, channels, + dev->settings.scan_method); + pixels = (move_sensor.sensor_pixels * 600) / move_sensor.optical_res; + + /* initial calibration reg values */ + regs = dev->reg; + + ScanSession session; + session.params.xres = resolution; + session.params.yres = resolution; + session.params.startx = 0; + session.params.starty = 0; + session.params.pixels = pixels; + session.params.lines = 1; + session.params.depth = 8; + session.params.channels = channels; + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; + session.params.color_filter = dev->settings.color_filter; + session.params.flags = ScanFlag::DISABLE_SHADING | + ScanFlag::DISABLE_GAMMA | + ScanFlag::SINGLE_LINE | + ScanFlag::IGNORE_LINE_DISTANCE; + compute_session(dev, session, move_sensor); + + dev->cmd_set->init_regs_for_scan_session(dev, move_sensor, ®s, session); + + size = pixels * 3; + std::vector<uint8_t> line(size); + + // write registers and scan data + dev->interface->write_registers(regs); + + DBG (DBG_info, "%s: starting line reading\n", __func__); + dev->cmd_set->begin_scan(dev, move_sensor, ®s, true); + + if (is_testing_mode()) { + dev->interface->test_checkpoint("move_to_calibration_area"); + scanner_stop_action(*dev); + return; + } + + sanei_genesys_read_data_from_scanner(dev, line.data(), size); + + // stop scanning + scanner_stop_action(*dev); + + if (DBG_LEVEL >= DBG_data) + { + sanei_genesys_write_pnm_file("gl124_movetocalarea.pnm", line.data(), 8, 3, pixels, 1); + } +} + +/* this function does the led calibration by scanning one line of the calibration + area below scanner's top on white strip. + +-needs working coarse/gain +*/ +SensorExposure CommandSetGl124::led_calibration(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set& regs) const +{ + DBG_HELPER(dbg); + int num_pixels; + int total_size; + int resolution; + int dpihw; + int i, j; + int val; + int channels; + int avg[3]; + int turn; + uint16_t exp[3],target; + + /* move to calibration area */ + move_to_calibration_area(dev, sensor, regs); + + /* offset calibration is always done in 16 bit depth color mode */ + channels = 3; + dpihw = sensor.get_register_hwdpi(dev->settings.xres); + resolution = dpihw; + unsigned ccd_size_divisor = sensor.get_ccd_size_divisor_for_dpi(dev->settings.xres); + resolution /= ccd_size_divisor; + + const auto& calib_sensor = sanei_genesys_find_sensor(dev, resolution, channels, + dev->settings.scan_method); + num_pixels = (calib_sensor.sensor_pixels * resolution) / calib_sensor.optical_res; + + /* initial calibration reg values */ + regs = dev->reg; + + ScanSession session; + session.params.xres = resolution; + session.params.yres = resolution; + session.params.startx = 0; + session.params.starty = 0; + session.params.pixels = num_pixels; + session.params.lines = 1; + session.params.depth = 16; + session.params.channels = channels; + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; + session.params.color_filter = dev->settings.color_filter; + session.params.flags = ScanFlag::DISABLE_SHADING | + ScanFlag::DISABLE_GAMMA | + ScanFlag::SINGLE_LINE | + ScanFlag::IGNORE_LINE_DISTANCE; + compute_session(dev, session, calib_sensor); + + init_regs_for_scan_session(dev, calib_sensor, ®s, session); + + total_size = num_pixels * channels * (session.params.depth / 8) * 1; + std::vector<uint8_t> line(total_size); + + // initial loop values and boundaries + exp[0] = calib_sensor.exposure.red; + exp[1] = calib_sensor.exposure.green; + exp[2] = calib_sensor.exposure.blue; + target=sensor.gain_white_ref*256; + + turn = 0; + + /* no move during led calibration */ + sanei_genesys_set_motor_power(regs, false); + bool acceptable = false; + do + { + // set up exposure + regs.set24(REG_EXPR, exp[0]); + regs.set24(REG_EXPG, exp[1]); + regs.set24(REG_EXPB, exp[2]); + + // write registers and scan data + dev->interface->write_registers(regs); + + DBG(DBG_info, "%s: starting line reading\n", __func__); + begin_scan(dev, calib_sensor, ®s, true); + + if (is_testing_mode()) { + dev->interface->test_checkpoint("led_calibration"); + scanner_stop_action(*dev); + return calib_sensor.exposure; + } + + sanei_genesys_read_data_from_scanner(dev, line.data(), total_size); + + // stop scanning + scanner_stop_action(*dev); + + if (DBG_LEVEL >= DBG_data) + { + char fn[30]; + std::snprintf(fn, 30, "gl124_led_%02d.pnm", turn); + sanei_genesys_write_pnm_file(fn, line.data(), session.params.depth, channels, num_pixels, + 1); + } + + /* compute average */ + for (j = 0; j < channels; j++) + { + avg[j] = 0; + for (i = 0; i < num_pixels; i++) + { + if (dev->model->is_cis) + val = + line[i * 2 + j * 2 * num_pixels + 1] * 256 + + line[i * 2 + j * 2 * num_pixels]; + else + val = + line[i * 2 * channels + 2 * j + 1] * 256 + + line[i * 2 * channels + 2 * j]; + avg[j] += val; + } + + avg[j] /= num_pixels; + } + + DBG(DBG_info, "%s: average: %d,%d,%d\n", __func__, avg[0], avg[1], avg[2]); + + /* check if exposure gives average within the boundaries */ + acceptable = true; + for(i=0;i<3;i++) + { + /* we accept +- 2% delta from target */ + if(abs(avg[i]-target)>target/50) + { + float prev_weight = 0.5; + exp[i] = exp[i] * prev_weight + ((exp[i] * target) / avg[i]) * (1 - prev_weight); + acceptable = false; + } + } + + turn++; + } + while (!acceptable && turn < 100); + + DBG(DBG_info, "%s: acceptable exposure: %d,%d,%d\n", __func__, exp[0], exp[1], exp[2]); + + // set these values as final ones for scan + dev->reg.set24(REG_EXPR, exp[0]); + dev->reg.set24(REG_EXPG, exp[1]); + dev->reg.set24(REG_EXPB, exp[2]); + + return { exp[0], exp[1], exp[2] }; +} + +/** + * average dark pixels of a 8 bits scan + */ +static int +dark_average (uint8_t * data, unsigned int pixels, unsigned int lines, + unsigned int channels, unsigned int black) +{ + unsigned int i, j, k, average, count; + unsigned int avg[3]; + uint8_t val; + + /* computes average value on black margin */ + for (k = 0; k < channels; k++) + { + avg[k] = 0; + count = 0; + for (i = 0; i < lines; i++) + { + for (j = 0; j < black; j++) + { + val = data[i * channels * pixels + j + k]; + avg[k] += val; + count++; + } + } + if (count) + avg[k] /= count; + DBG(DBG_info, "%s: avg[%d] = %d\n", __func__, k, avg[k]); + } + average = 0; + for (i = 0; i < channels; i++) + average += avg[i]; + average /= channels; + DBG(DBG_info, "%s: average = %d\n", __func__, average); + return average; +} + + +void CommandSetGl124::offset_calibration(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set& regs) const +{ + DBG_HELPER(dbg); + unsigned channels; + int pass = 0, avg, total_size; + int topavg, bottomavg, lines; + int top, bottom, black_pixels, pixels; + + // no gain nor offset for TI AFE + uint8_t reg0a = dev->interface->read_register(REG_0x0A); + if (((reg0a & REG_0x0A_SIFSEL) >> REG_0x0AS_SIFSEL) == 3) { + return; + } + + /* offset calibration is always done in color mode */ + channels = 3; + dev->calib_pixels = sensor.sensor_pixels; + lines=1; + pixels = (sensor.sensor_pixels * sensor.optical_res) / sensor.optical_res; + black_pixels = (sensor.black_pixels * sensor.optical_res) / sensor.optical_res; + DBG(DBG_io2, "%s: black_pixels=%d\n", __func__, black_pixels); + + ScanSession session; + session.params.xres = sensor.optical_res; + session.params.yres = sensor.optical_res; + session.params.startx = 0; + session.params.starty = 0; + session.params.pixels = pixels; + session.params.lines = lines; + session.params.depth = 8; + session.params.channels = channels; + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; + session.params.color_filter = dev->settings.color_filter; + session.params.flags = ScanFlag::DISABLE_SHADING | + ScanFlag::DISABLE_GAMMA | + ScanFlag::SINGLE_LINE | + ScanFlag::IGNORE_LINE_DISTANCE; + compute_session(dev, session, sensor); + + init_regs_for_scan_session(dev, sensor, ®s, session); + + sanei_genesys_set_motor_power(regs, false); + + /* allocate memory for scans */ + total_size = pixels * channels * lines * (session.params.depth / 8); + + std::vector<uint8_t> first_line(total_size); + std::vector<uint8_t> second_line(total_size); + + /* init gain */ + dev->frontend.set_gain(0, 0); + dev->frontend.set_gain(1, 0); + dev->frontend.set_gain(2, 0); + + /* scan with no move */ + bottom = 10; + dev->frontend.set_offset(0, bottom); + dev->frontend.set_offset(1, bottom); + dev->frontend.set_offset(2, bottom); + + set_fe(dev, sensor, AFE_SET); + dev->interface->write_registers(regs); + DBG(DBG_info, "%s: starting first line reading\n", __func__); + begin_scan(dev, sensor, ®s, true); + + if (is_testing_mode()) { + dev->interface->test_checkpoint("offset_calibration"); + return; + } + + sanei_genesys_read_data_from_scanner(dev, first_line.data(), total_size); + if (DBG_LEVEL >= DBG_data) + { + char title[30]; + std::snprintf(title, 30, "gl124_offset%03d.pnm", bottom); + sanei_genesys_write_pnm_file(title, first_line.data(), session.params.depth, + channels, pixels, lines); + } + + bottomavg = dark_average(first_line.data(), pixels, lines, channels, black_pixels); + DBG(DBG_io2, "%s: bottom avg=%d\n", __func__, bottomavg); + + /* now top value */ + top = 255; + dev->frontend.set_offset(0, top); + dev->frontend.set_offset(1, top); + dev->frontend.set_offset(2, top); + set_fe(dev, sensor, AFE_SET); + dev->interface->write_registers(regs); + DBG(DBG_info, "%s: starting second line reading\n", __func__); + begin_scan(dev, sensor, ®s, true); + sanei_genesys_read_data_from_scanner(dev, second_line.data(), total_size); + + topavg = dark_average(second_line.data(), pixels, lines, channels, black_pixels); + DBG(DBG_io2, "%s: top avg=%d\n", __func__, topavg); + + /* loop until acceptable level */ + while ((pass < 32) && (top - bottom > 1)) + { + pass++; + + /* settings for new scan */ + dev->frontend.set_offset(0, (top + bottom) / 2); + dev->frontend.set_offset(1, (top + bottom) / 2); + dev->frontend.set_offset(2, (top + bottom) / 2); + + // scan with no move + set_fe(dev, sensor, AFE_SET); + dev->interface->write_registers(regs); + DBG(DBG_info, "%s: starting second line reading\n", __func__); + begin_scan(dev, sensor, ®s, true); + sanei_genesys_read_data_from_scanner(dev, second_line.data(), total_size); + + if (DBG_LEVEL >= DBG_data) + { + char title[30]; + std::snprintf(title, 30, "gl124_offset%03d.pnm", dev->frontend.get_offset(1)); + sanei_genesys_write_pnm_file(title, second_line.data(), session.params.depth, + channels, pixels, lines); + } + + avg = dark_average(second_line.data(), pixels, lines, channels, black_pixels); + DBG(DBG_info, "%s: avg=%d offset=%d\n", __func__, avg, dev->frontend.get_offset(1)); + + /* compute new boundaries */ + if (topavg == avg) + { + topavg = avg; + top = dev->frontend.get_offset(1); + } + else + { + bottomavg = avg; + bottom = dev->frontend.get_offset(1); + } + } + DBG(DBG_info, "%s: offset=(%d,%d,%d)\n", __func__, + dev->frontend.get_offset(0), + dev->frontend.get_offset(1), + dev->frontend.get_offset(2)); +} + + +/* alternative coarse gain calibration + this on uses the settings from offset_calibration and + uses only one scanline + */ +/* + with offset and coarse calibration we only want to get our input range into + a reasonable shape. the fine calibration of the upper and lower bounds will + be done with shading. + */ +void CommandSetGl124::coarse_gain_calibration(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set& regs, int dpi) const +{ + DBG_HELPER_ARGS(dbg, "dpi = %d", dpi); + int pixels; + int total_size; + int i, j, channels; + int max[3]; + float gain[3],coeff; + int val, code, lines; + + // no gain nor offset for TI AFE + uint8_t reg0a = dev->interface->read_register(REG_0x0A); + if (((reg0a & REG_0x0A_SIFSEL) >> REG_0x0AS_SIFSEL) == 3) { + return; + } + + /* coarse gain calibration is always done in color mode */ + channels = 3; + + if(dev->settings.xres<sensor.optical_res) + { + coeff = 0.9f; + } else { + coeff = 1.0f; + } + lines=10; + pixels = (sensor.sensor_pixels * sensor.optical_res) / sensor.optical_res; + + ScanSession session; + session.params.xres = sensor.optical_res; + session.params.yres = sensor.optical_res; + session.params.startx = 0; + session.params.starty = 0; + session.params.pixels = pixels; + session.params.lines = lines; + session.params.depth = 8; + session.params.channels = channels; + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; + session.params.color_filter = dev->settings.color_filter; + session.params.flags = ScanFlag::DISABLE_SHADING | + ScanFlag::DISABLE_GAMMA | + ScanFlag::SINGLE_LINE | + ScanFlag::IGNORE_LINE_DISTANCE; + compute_session(dev, session, sensor); + + try { + init_regs_for_scan_session(dev, sensor, ®s, session); + } catch (...) { + catch_all_exceptions(__func__, [&](){ sanei_genesys_set_motor_power(regs, false); }); + throw; + } + + sanei_genesys_set_motor_power(regs, false); + + dev->interface->write_registers(regs); + + total_size = pixels * channels * (16 / session.params.depth) * lines; + + std::vector<uint8_t> line(total_size); + + set_fe(dev, sensor, AFE_SET); + begin_scan(dev, sensor, ®s, true); + + if (is_testing_mode()) { + dev->interface->test_checkpoint("coarse_gain_calibration"); + scanner_stop_action(*dev); + move_back_home(dev, true); + return; + } + + sanei_genesys_read_data_from_scanner(dev, line.data(), total_size); + + if (DBG_LEVEL >= DBG_data) { + sanei_genesys_write_pnm_file("gl124_gain.pnm", line.data(), session.params.depth, + channels, pixels, lines); + } + + /* average value on each channel */ + for (j = 0; j < channels; j++) + { + max[j] = 0; + for (i = pixels/4; i < (pixels*3/4); i++) + { + if (dev->model->is_cis) { + val = line[i + j * pixels]; + } else { + val = line[i * channels + j]; + } + + max[j] += val; + } + max[j] = max[j] / (pixels/2); + + gain[j] = (static_cast<float>(sensor.gain_white_ref) * coeff) / max[j]; + + /* turn logical gain value into gain code, checking for overflow */ + code = static_cast<int>(283 - 208 / gain[j]); + if (code > 255) + code = 255; + else if (code < 0) + code = 0; + dev->frontend.set_gain(j, code); + + DBG(DBG_proc, "%s: channel %d, max=%d, gain = %f, setting:%d\n", __func__, j, max[j], + gain[j], dev->frontend.get_gain(j)); + } + + if (dev->model->is_cis) { + uint8_t gain0 = dev->frontend.get_gain(0); + if (gain0 > dev->frontend.get_gain(1)) { + gain0 = dev->frontend.get_gain(1); + } + if (gain0 > dev->frontend.get_gain(2)) { + gain0 = dev->frontend.get_gain(2); + } + dev->frontend.set_gain(0, gain0); + dev->frontend.set_gain(1, gain0); + dev->frontend.set_gain(2, gain0); + } + + if (channels == 1) { + dev->frontend.set_gain(0, dev->frontend.get_gain(1)); + dev->frontend.set_gain(2, dev->frontend.get_gain(1)); + } + + scanner_stop_action(*dev); + + move_back_home(dev, true); +} + +// wait for lamp warmup by scanning the same line until difference +// between 2 scans is below a threshold +void CommandSetGl124::init_regs_for_warmup(Genesys_Device* dev, const Genesys_Sensor& sensor, + Genesys_Register_Set* reg, int* channels, + int* total_size) const +{ + DBG_HELPER(dbg); + int num_pixels; + + *channels=3; + + *reg = dev->reg; + + ScanSession session; + session.params.xres = sensor.optical_res; + session.params.yres = dev->motor.base_ydpi; + session.params.startx = sensor.sensor_pixels / 4; + session.params.starty = 0; + session.params.pixels = sensor.sensor_pixels / 2; + session.params.lines = 1; + session.params.depth = 8; + session.params.channels = *channels; + session.params.scan_method = dev->settings.scan_method; + session.params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; + session.params.color_filter = dev->settings.color_filter; + session.params.flags = ScanFlag::DISABLE_SHADING | + ScanFlag::DISABLE_GAMMA | + ScanFlag::SINGLE_LINE | + ScanFlag::IGNORE_LINE_DISTANCE; + compute_session(dev, session, sensor); + + init_regs_for_scan_session(dev, sensor, reg, session); + + num_pixels = session.output_pixels; + + *total_size = num_pixels * 3 * 1; /* colors * bytes_per_color * scan lines */ + + sanei_genesys_set_motor_power(*reg, false); + dev->interface->write_registers(*reg); +} + +/** @brief default GPIO values + * set up GPIO/GPOE for idle state + * @param dev device to set up + */ +static void gl124_init_gpio(Genesys_Device* dev) +{ + DBG_HELPER(dbg); + int idx; + + /* per model GPIO layout */ + if (dev->model->model_id == ModelId::CANON_LIDE_110) { + idx = 0; + } else if (dev->model->model_id == ModelId::CANON_LIDE_120) { + idx = 2; + } + else + { /* canon LiDE 210 and 220 case */ + idx = 1; + } + + dev->interface->write_register(REG_0x31, gpios[idx].r31); + dev->interface->write_register(REG_0x32, gpios[idx].r32); + dev->interface->write_register(REG_0x33, gpios[idx].r33); + dev->interface->write_register(REG_0x34, gpios[idx].r34); + dev->interface->write_register(REG_0x35, gpios[idx].r35); + dev->interface->write_register(REG_0x36, gpios[idx].r36); + dev->interface->write_register(REG_0x38, gpios[idx].r38); +} + +/** + * set memory layout by filling values in dedicated registers + */ +static void gl124_init_memory_layout(Genesys_Device* dev) +{ + DBG_HELPER(dbg); + int idx = 0; + + /* point to per model memory layout */ + if (dev->model->model_id == ModelId::CANON_LIDE_110 || + dev->model->model_id == ModelId::CANON_LIDE_120) + { + idx = 0; + } + else + { /* canon LiDE 210 and 220 case */ + idx = 1; + } + + /* setup base address for shading data. */ + /* values must be multiplied by 8192=0x4000 to give address on AHB */ + /* R-Channel shading bank0 address setting for CIS */ + dev->interface->write_register(0xd0, layouts[idx].rd0); + /* G-Channel shading bank0 address setting for CIS */ + dev->interface->write_register(0xd1, layouts[idx].rd1); + /* B-Channel shading bank0 address setting for CIS */ + dev->interface->write_register(0xd2, layouts[idx].rd2); + + /* setup base address for scanned data. */ + /* values must be multiplied by 1024*2=0x0800 to give address on AHB */ + /* R-Channel ODD image buffer 0x0124->0x92000 */ + /* size for each buffer is 0x16d*1k word */ + dev->interface->write_register(0xe0, layouts[idx].re0); + dev->interface->write_register(0xe1, layouts[idx].re1); + /* R-Channel ODD image buffer end-address 0x0291->0x148800 => size=0xB6800*/ + dev->interface->write_register(0xe2, layouts[idx].re2); + dev->interface->write_register(0xe3, layouts[idx].re3); + + /* R-Channel EVEN image buffer 0x0292 */ + dev->interface->write_register(0xe4, layouts[idx].re4); + dev->interface->write_register(0xe5, layouts[idx].re5); + /* R-Channel EVEN image buffer end-address 0x03ff*/ + dev->interface->write_register(0xe6, layouts[idx].re6); + dev->interface->write_register(0xe7, layouts[idx].re7); + + /* same for green, since CIS, same addresses */ + dev->interface->write_register(0xe8, layouts[idx].re0); + dev->interface->write_register(0xe9, layouts[idx].re1); + dev->interface->write_register(0xea, layouts[idx].re2); + dev->interface->write_register(0xeb, layouts[idx].re3); + dev->interface->write_register(0xec, layouts[idx].re4); + dev->interface->write_register(0xed, layouts[idx].re5); + dev->interface->write_register(0xee, layouts[idx].re6); + dev->interface->write_register(0xef, layouts[idx].re7); + +/* same for blue, since CIS, same addresses */ + dev->interface->write_register(0xf0, layouts[idx].re0); + dev->interface->write_register(0xf1, layouts[idx].re1); + dev->interface->write_register(0xf2, layouts[idx].re2); + dev->interface->write_register(0xf3, layouts[idx].re3); + dev->interface->write_register(0xf4, layouts[idx].re4); + dev->interface->write_register(0xf5, layouts[idx].re5); + dev->interface->write_register(0xf6, layouts[idx].re6); + dev->interface->write_register(0xf7, layouts[idx].re7); +} + +/** + * initialize backend and ASIC : registers, motor tables, and gamma tables + * then ensure scanner's head is at home + */ +void CommandSetGl124::init(Genesys_Device* dev) const +{ + DBG_INIT (); + DBG_HELPER(dbg); + + sanei_genesys_asic_init(dev, 0); +} + + +/* * + * initialize ASIC from power on condition + */ +void CommandSetGl124::asic_boot(Genesys_Device* dev, bool cold) const +{ + DBG_HELPER(dbg); + + // reset ASIC in case of cold boot + if (cold) { + dev->interface->write_register(0x0e, 0x01); + dev->interface->write_register(0x0e, 0x00); + } + + // enable GPOE 17 + dev->interface->write_register(0x36, 0x01); + + // set GPIO 17 + uint8_t val = dev->interface->read_register(0x33); + val |= 0x01; + dev->interface->write_register(0x33, val); + + // test CHKVER + val = dev->interface->read_register(REG_0x100); + if (val & REG_0x100_CHKVER) { + val = dev->interface->read_register(0x00); + DBG(DBG_info, "%s: reported version for genesys chip is 0x%02x\n", __func__, val); + } + + /* Set default values for registers */ + gl124_init_registers (dev); + + // Write initial registers + dev->interface->write_registers(dev->reg); + + // tune reg 0B + dev->interface->write_register(REG_0x0B, REG_0x0B_30MHZ | REG_0x0B_ENBDRAM | REG_0x0B_64M); + dev->reg.remove_reg(0x0b); + + //set up end access + dev->interface->write_0x8c(0x10, 0x0b); + dev->interface->write_0x8c(0x13, 0x0e); + + /* CIS_LINE */ + dev->reg.init_reg(0x08, REG_0x08_CIS_LINE); + dev->interface->write_register(0x08, dev->reg.find_reg(0x08).value); + + // setup gpio + gl124_init_gpio(dev); + + // setup internal memory layout + gl124_init_memory_layout(dev); +} + + +void CommandSetGl124::update_hardware_sensors(Genesys_Scanner* s) const +{ + /* do what is needed to get a new set of events, but try to not loose + any of them. + */ + DBG_HELPER(dbg); + uint8_t val = s->dev->interface->read_register(REG_0x31); + + /* TODO : for the next scanner special case, + * add another per scanner button profile struct to avoid growing + * hard-coded button mapping here. + */ + if ((s->dev->model->gpio_id == GpioId::CANON_LIDE_110) || + (s->dev->model->gpio_id == GpioId::CANON_LIDE_120)) + { + s->buttons[BUTTON_SCAN_SW].write((val & 0x01) == 0); + s->buttons[BUTTON_FILE_SW].write((val & 0x08) == 0); + s->buttons[BUTTON_EMAIL_SW].write((val & 0x04) == 0); + s->buttons[BUTTON_COPY_SW].write((val & 0x02) == 0); + } + else + { /* LiDE 210 case */ + s->buttons[BUTTON_EXTRA_SW].write((val & 0x01) == 0); + s->buttons[BUTTON_SCAN_SW].write((val & 0x02) == 0); + s->buttons[BUTTON_COPY_SW].write((val & 0x04) == 0); + s->buttons[BUTTON_EMAIL_SW].write((val & 0x08) == 0); + s->buttons[BUTTON_FILE_SW].write((val & 0x10) == 0); + } +} + +void CommandSetGl124::update_home_sensor_gpio(Genesys_Device& dev) const +{ + DBG_HELPER(dbg); + + std::uint8_t val = dev.interface->read_register(REG_0x32); + val &= ~REG_0x32_GPIO10; + dev.interface->write_register(REG_0x32, val); +} + +bool CommandSetGl124::needs_home_before_init_regs_for_scan(Genesys_Device* dev) const +{ + (void) dev; + return true; +} + +void CommandSetGl124::send_gamma_table(Genesys_Device* dev, const Genesys_Sensor& sensor) const +{ + sanei_genesys_send_gamma_table(dev, sensor); +} + +void CommandSetGl124::load_document(Genesys_Device* dev) const +{ + (void) dev; + throw SaneException("not implemented"); +} + +void CommandSetGl124::detect_document_end(Genesys_Device* dev) const +{ + (void) dev; + throw SaneException("not implemented"); +} + +void CommandSetGl124::eject_document(Genesys_Device* dev) const +{ + (void) dev; + throw SaneException("not implemented"); +} + +void CommandSetGl124::search_strip(Genesys_Device* dev, const Genesys_Sensor& sensor, + bool forward, bool black) const +{ + (void) dev; + (void) sensor; + (void) forward; + (void) black; + throw SaneException("not implemented"); +} + +void CommandSetGl124::move_to_ta(Genesys_Device* dev) const +{ + (void) dev; + throw SaneException("not implemented"); +} + +std::unique_ptr<CommandSet> create_gl124_cmd_set() +{ + return std::unique_ptr<CommandSet>(new CommandSetGl124{}); +} + +} // namespace gl124 +} // namespace genesys |