diff options
| author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2020-02-02 17:13:01 +0100 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2020-02-02 17:13:01 +0100 |
| commit | ffa8801644a7d53cc1c785e3450f794c07a14eb0 (patch) | |
| tree | 8d72a18a9a08b9151d12badcb1c78ce06a059f62 /backend/genesys_gl124.cc | |
| parent | 1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (diff) | |
New upstream version 1.0.29upstream/1.0.29
Diffstat (limited to 'backend/genesys_gl124.cc')
| -rw-r--r-- | backend/genesys_gl124.cc | 3592 |
1 files changed, 0 insertions, 3592 deletions
diff --git a/backend/genesys_gl124.cc b/backend/genesys_gl124.cc deleted file mode 100644 index a535d58..0000000 --- a/backend/genesys_gl124.cc +++ /dev/null @@ -1,3592 +0,0 @@ -/* 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 "genesys_gl124.h" - -#include <vector> - -/**************************************************************************** - Mid level functions - ****************************************************************************/ - -static SANE_Bool gl124_get_fast_feed_bit(Genesys_Register_Set* regs) -{ - return (bool)(regs->get8(REG02) & REG02_FASTFED); -} - -static SANE_Bool gl124_get_filter_bit(Genesys_Register_Set* regs) -{ - return (bool)(regs->get8(REG04) & REG04_FILTER); -} - -static SANE_Bool gl124_get_lineart_bit(Genesys_Register_Set* regs) -{ - return (bool)(regs->get8(REG04) & REG04_LINEART); -} - -static SANE_Bool gl124_get_bitset_bit(Genesys_Register_Set* regs) -{ - return (bool)(regs->get8(REG04) & REG04_BITSET); -} - -static SANE_Bool gl124_get_gain4_bit (Genesys_Register_Set * regs) -{ - return (bool)(regs->get8(REG06) & REG06_GAIN4); -} - -static SANE_Bool -gl124_test_buffer_empty_bit (SANE_Byte val) -{ - if (val & BUFEMPTY) - return SANE_TRUE; - return SANE_FALSE; -} - -static SANE_Bool -gl124_test_motor_flag_bit (SANE_Byte val) -{ - if (val & MOTORENB) - return SANE_TRUE; - return SANE_FALSE; -} - -/** @brief sensor profile - * search for the database of motor profiles and get the best one. Each - * profile is at a specific dpihw. Use LiDE 110 table by default. - * @param sensor_type sensor id - * @param dpi hardware dpi for the scan - * @param half_ccd flag to signal half ccd mode - * @return a pointer to a Sensor_Profile struct - */ -static Sensor_Profile *get_sensor_profile(int sensor_type, int dpi, int half_ccd) -{ - unsigned int i; - int idx; - - i=0; - idx=-1; - while(i<sizeof(sensors)/sizeof(Sensor_Profile)) - { - /* exact match */ - if(sensors[i].sensor_type==sensor_type - && sensors[i].dpi==dpi - && sensors[i].half_ccd==half_ccd) - { - return &(sensors[i]); - } - - /* closest match */ - if(sensors[i].sensor_type==sensor_type - && sensors[i].half_ccd==half_ccd) - { - if(idx<0) - { - idx=i; - } - else - { - if(sensors[i].dpi>=dpi - && sensors[i].dpi<sensors[idx].dpi) - { - idx=i; - } - } - } - i++; - } - - /* default fallback */ - if(idx<0) - { - DBG (DBG_warn,"%s: using default sensor profile\n",__func__); - idx=0; - } - - return &(sensors[idx]); -} - - -static SANE_Status -gl124_homsnr_gpio(Genesys_Device *dev) -{ -uint8_t val; -SANE_Status status=SANE_STATUS_GOOD; - - RIE (sanei_genesys_read_register (dev, REG32, &val)); - val &= ~REG32_GPIO10; - RIE (sanei_genesys_write_register (dev, REG32, val)); - return status; -} - -/**@brief compute half ccd mode - * Compute half CCD mode flag. Half CCD is on when dpiset it twice - * the actual scanning resolution. Used for fast scans. - * @param model pointer to device model - * @param xres required horizontal resolution - * @return SANE_TRUE if half CCD mode enabled - */ -static SANE_Bool compute_half_ccd(const Genesys_Sensor& sensor, int xres) -{ - /* we have 2 domains for ccd: xres below or above half ccd max dpi */ - if (xres<=300 && sensor.ccd_size_divisor > 1) - { - return SANE_TRUE; - } - return SANE_FALSE; -} - -/** @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) -{ - DBGSTART; - - dev->reg.clear(); - - /* default to LiDE 110 */ - SETREG (0x01,0xa2); /* + REG01_SHDAREA */ - SETREG (0x02,0x90); - SETREG (0x03,0x50); - SETREG (0x04,0x03); - SETREG (0x05,0x00); - if(dev->model->ccd_type==CIS_CANONLIDE120) - { - SETREG (0x06,0x50); - SETREG (0x07,0x00); - } - else - { - SETREG (0x03,0x50 & ~REG03_AVEENB); - SETREG (0x06,0x50 | REG06_GAIN4); - } - SETREG (0x09,0x00); - SETREG (0x0a,0xc0); - SETREG (0x0b,0x2a); - SETREG (0x0c,0x12); - SETREG (0x11,0x00); - SETREG (0x12,0x00); - SETREG (0x13,0x0f); - SETREG (0x14,0x00); - SETREG (0x15,0x80); - SETREG (0x16,0x10); - SETREG (0x17,0x04); - SETREG (0x18,0x00); - SETREG (0x19,0x01); - SETREG (0x1a,0x30); - SETREG (0x1b,0x00); - SETREG (0x1c,0x00); - SETREG (0x1d,0x01); - SETREG (0x1e,0x10); - SETREG (0x1f,0x00); - SETREG (0x20,0x15); - SETREG (0x21,0x00); - if(dev->model->ccd_type!=CIS_CANONLIDE120) - { - SETREG (0x22,0x02); - } - else - { - SETREG (0x22,0x14); - } - SETREG (0x23,0x00); - SETREG (0x24,0x00); - SETREG (0x25,0x00); - SETREG (0x26,0x0d); - SETREG (0x27,0x48); - SETREG (0x28,0x00); - SETREG (0x29,0x56); - SETREG (0x2a,0x5e); - SETREG (0x2b,0x02); - SETREG (0x2c,0x02); - SETREG (0x2d,0x58); - SETREG (0x3b,0x00); - SETREG (0x3c,0x00); - SETREG (0x3d,0x00); - SETREG (0x3e,0x00); - SETREG (0x3f,0x02); - SETREG (0x40,0x00); - SETREG (0x41,0x00); - SETREG (0x42,0x00); - SETREG (0x43,0x00); - SETREG (0x44,0x00); - SETREG (0x45,0x00); - SETREG (0x46,0x00); - SETREG (0x47,0x00); - SETREG (0x48,0x00); - SETREG (0x49,0x00); - SETREG (0x4f,0x00); - SETREG (0x52,0x00); - SETREG (0x53,0x02); - SETREG (0x54,0x04); - SETREG (0x55,0x06); - SETREG (0x56,0x04); - SETREG (0x57,0x04); - SETREG (0x58,0x04); - SETREG (0x59,0x04); - SETREG (0x5a,0x1a); - SETREG (0x5b,0x00); - SETREG (0x5c,0xc0); - SETREG (0x5f,0x00); - SETREG (0x60,0x02); - SETREG (0x61,0x00); - SETREG (0x62,0x00); - SETREG (0x63,0x00); - SETREG (0x64,0x00); - SETREG (0x65,0x00); - SETREG (0x66,0x00); - SETREG (0x67,0x00); - SETREG (0x68,0x00); - SETREG (0x69,0x00); - SETREG (0x6a,0x00); - SETREG (0x6b,0x00); - SETREG (0x6c,0x00); - SETREG (0x6e,0x00); - SETREG (0x6f,0x00); - if(dev->model->ccd_type!=CIS_CANONLIDE120) - { - SETREG (0x6d,0xd0); - SETREG (0x71,0x08); - } - else - { - SETREG (0x6d,0x00); - SETREG (0x71,0x1f); - } - SETREG (0x70,0x00); - SETREG (0x72,0x08); - SETREG (0x73,0x0a); - - /* CKxMAP */ - SETREG (0x74,0x00); - SETREG (0x75,0x00); - SETREG (0x76,0x3c); - SETREG (0x77,0x00); - SETREG (0x78,0x00); - SETREG (0x79,0x9f); - SETREG (0x7a,0x00); - SETREG (0x7b,0x00); - SETREG (0x7c,0x55); - - SETREG (0x7d,0x00); - SETREG (0x7e,0x08); - SETREG (0x7f,0x58); - if(dev->model->ccd_type!=CIS_CANONLIDE120) - { - SETREG (0x80,0x00); - SETREG (0x81,0x14); - } - else - { - SETREG (0x80,0x00); - SETREG (0x81,0x10); - } - - /* STRPIXEL */ - SETREG (0x82,0x00); - SETREG (0x83,0x00); - SETREG (0x84,0x00); - /* ENDPIXEL */ - SETREG (0x85,0x00); - SETREG (0x86,0x00); - SETREG (0x87,0x00); - - SETREG (0x88,0x00); - SETREG (0x89,0x65); - SETREG (0x8a,0x00); - SETREG (0x8b,0x00); - SETREG (0x8c,0x00); - SETREG (0x8d,0x00); - SETREG (0x8e,0x00); - SETREG (0x8f,0x00); - SETREG (0x90,0x00); - SETREG (0x91,0x00); - SETREG (0x92,0x00); - SETREG (0x93,0x00); - SETREG (0x94,0x14); - SETREG (0x95,0x30); - SETREG (0x96,0x00); - SETREG (0x97,0x90); - SETREG (0x98,0x01); - SETREG (0x99,0x1f); - SETREG (0x9a,0x00); - SETREG (0x9b,0x80); - SETREG (0x9c,0x80); - SETREG (0x9d,0x3f); - SETREG (0x9e,0x00); - SETREG (0x9f,0x00); - SETREG (0xa0,0x20); - SETREG (0xa1,0x30); - SETREG (0xa2,0x00); - SETREG (0xa3,0x20); - SETREG (0xa4,0x01); - SETREG (0xa5,0x00); - SETREG (0xa6,0x00); - SETREG (0xa7,0x08); - SETREG (0xa8,0x00); - SETREG (0xa9,0x08); - SETREG (0xaa,0x01); - SETREG (0xab,0x00); - SETREG (0xac,0x00); - SETREG (0xad,0x40); - SETREG (0xae,0x01); - SETREG (0xaf,0x00); - SETREG (0xb0,0x00); - SETREG (0xb1,0x40); - SETREG (0xb2,0x00); - SETREG (0xb3,0x09); - SETREG (0xb4,0x5b); - SETREG (0xb5,0x00); - SETREG (0xb6,0x10); - SETREG (0xb7,0x3f); - SETREG (0xb8,0x00); - SETREG (0xbb,0x00); - SETREG (0xbc,0xff); - SETREG (0xbd,0x00); - SETREG (0xbe,0x07); - SETREG (0xc3,0x00); - SETREG (0xc4,0x00); - - /* gamma - SETREG (0xc5,0x00); - SETREG (0xc6,0x00); - SETREG (0xc7,0x00); - SETREG (0xc8,0x00); - SETREG (0xc9,0x00); - SETREG (0xca,0x00); - SETREG (0xcb,0x00); - SETREG (0xcc,0x00); - SETREG (0xcd,0x00); - SETREG (0xce,0x00); - */ - if(dev->model->ccd_type==CIS_CANONLIDE120) - { - SETREG (0xc5,0x20); - SETREG (0xc6,0xeb); - SETREG (0xc7,0x20); - SETREG (0xc8,0xeb); - SETREG (0xc9,0x20); - SETREG (0xca,0xeb); - } - - /* memory layout - SETREG (0xd0,0x0a); - SETREG (0xd1,0x1f); - SETREG (0xd2,0x34); */ - SETREG (0xd3,0x00); - SETREG (0xd4,0x00); - SETREG (0xd5,0x00); - SETREG (0xd6,0x00); - SETREG (0xd7,0x00); - SETREG (0xd8,0x00); - SETREG (0xd9,0x00); - - /* memory layout - SETREG (0xe0,0x00); - SETREG (0xe1,0x48); - SETREG (0xe2,0x15); - SETREG (0xe3,0x90); - SETREG (0xe4,0x15); - SETREG (0xe5,0x91); - SETREG (0xe6,0x2a); - SETREG (0xe7,0xd9); - SETREG (0xe8,0x2a); - SETREG (0xe9,0xad); - SETREG (0xea,0x40); - SETREG (0xeb,0x22); - SETREG (0xec,0x40); - SETREG (0xed,0x23); - SETREG (0xee,0x55); - SETREG (0xef,0x6b); - SETREG (0xf0,0x55); - SETREG (0xf1,0x6c); - SETREG (0xf2,0x6a); - SETREG (0xf3,0xb4); - SETREG (0xf4,0x6a); - SETREG (0xf5,0xb5); - SETREG (0xf6,0x7f); - SETREG (0xf7,0xfd);*/ - - SETREG (0xf8,0x01); /* other value is 0x05 */ - SETREG (0xf9,0x00); - SETREG (0xfa,0x00); - SETREG (0xfb,0x00); - SETREG (0xfc,0x00); - SETREG (0xff,0x00); - - /* fine tune upon device description */ - dev->reg.find_reg(0x05).value &= ~REG05_DPIHW; - switch (sanei_genesys_find_sensor_any(dev).optical_res) - { - case 600: - dev->reg.find_reg(0x05).value |= REG05_DPIHW_600; - break; - case 1200: - dev->reg.find_reg(0x05).value |= REG05_DPIHW_1200; - break; - case 2400: - dev->reg.find_reg(0x05).value |= REG05_DPIHW_2400; - break; - case 4800: - dev->reg.find_reg(0x05).value |= REG05_DPIHW_4800; - break; - } - - dev->calib_reg = dev->reg; - - DBGCOMPLETED; -} - -/**@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 SANE_Status -gl124_send_slope_table (Genesys_Device * dev, int table_nr, - uint16_t * slope_table, int steps) -{ - SANE_Status status = SANE_STATUS_GOOD; - int i; - char msg[10000]; - - DBG (DBG_proc, "%s (table_nr = %d, steps = %d)\n", __func__, - table_nr, steps); - - /* sanity check */ - if(table_nr<0 || table_nr>4) - { - DBG (DBG_error, "%s: invalid table number %d!\n", __func__, table_nr); - return SANE_STATUS_INVAL; - } - - 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) - { - sprintf (msg, "write slope %d (%d)=", table_nr, steps); - for (i = 0; i < steps; i++) - { - sprintf (msg+strlen(msg), ",%d", slope_table[i]); - } - DBG (DBG_io, "%s: %s\n", __func__, msg); - } - - /* slope table addresses are fixed */ - status = sanei_genesys_write_ahb(dev, 0x10000000 + 0x4000 * table_nr, steps * 2, table.data()); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "%s: write to AHB failed writing slope table %d (%s)\n", - __func__, table_nr, sane_strstatus (status)); - } - - DBGCOMPLETED; - return status; -} - -/** @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 SANE_Status -gl124_set_ti_fe (Genesys_Device * dev, uint8_t set) -{ - SANE_Status status = SANE_STATUS_GOOD; - int i; - - DBGSTART; - if (set == AFE_INIT) - { - DBG (DBG_proc, "%s: setting DAC %u\n", __func__, dev->model->dac_type); - - dev->frontend = dev->frontend_initial; - } - - /* start writing to DAC */ - status = sanei_genesys_fe_write_data (dev, 0x00, 0x80); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to write reg0: %s\n", __func__, - sane_strstatus (status)); - return status; - } - - /* write values to analog frontend */ - for (uint16_t addr = 0x01; addr < 0x04; addr++) - { - status = sanei_genesys_fe_write_data(dev, addr, dev->frontend.regs.get_value(addr)); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to write reg %d: %s\n", __func__, addr, - sane_strstatus(status)); - return status; - } - } - - status = sanei_genesys_fe_write_data (dev, 0x04, 0x00); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to write reg4: %s\n", __func__, - sane_strstatus (status)); - return status; - } - - /* these are not really sign for this AFE */ - for (i = 0; i < 3; i++) - { - status = sanei_genesys_fe_write_data(dev, 0x05 + i, dev->frontend.regs.get_value(0x24 + i)); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "%s: failed to write reg %d: %s\n", __func__, i+5, - sane_strstatus (status)); - return status; - } - } - - /* close writing to DAC */ - if(dev->model->dac_type == DAC_CANONLIDE120) - { - status = sanei_genesys_fe_write_data (dev, 0x00, 0x01); - } - else - { - status = sanei_genesys_fe_write_data (dev, 0x00, 0x11); - } - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to write reg0: %s\n", __func__, - sane_strstatus (status)); - return status; - } - - DBGCOMPLETED; - - return status; -} - - -/* Set values of analog frontend */ -static SANE_Status -gl124_set_fe(Genesys_Device * dev, const Genesys_Sensor& sensor, uint8_t set) -{ - (void) sensor; - SANE_Status status = SANE_STATUS_GOOD; - uint8_t val; - - DBG(DBG_proc, "%s (%s)\n", __func__, set == AFE_INIT ? "init" : set == AFE_SET ? "set" : set == - AFE_POWER_SAVE ? "powersave" : "huh?"); - - if (set == AFE_INIT) - { - DBG(DBG_proc, "%s(): setting DAC %u\n", __func__, dev->model->dac_type); - dev->frontend = dev->frontend_initial; - } - - RIE (sanei_genesys_read_register (dev, REG0A, &val)); - - /* route to correct analog FE */ - switch ((val & REG0A_SIFSEL)>>REG0AS_SIFSEL) - { - case 3: - status=gl124_set_ti_fe (dev, set); - break; - case 0: - case 1: - case 2: - default: - DBG(DBG_error, "%s: unsupported analog FE 0x%02x\n", __func__, val); - status=SANE_STATUS_INVAL; - break; - } - - DBGCOMPLETED; - return status; -} - - -/**@brief compute exposure to use - * compute the sensor exposure based on target resolution - * @param dev pointer to device description - * @param xres sensor's required resolution - * @param half_ccd flag for half ccd mode - */ -static int gl124_compute_exposure(Genesys_Device *dev, int xres, int half_ccd) -{ - Sensor_Profile* sensor_profile = get_sensor_profile(dev->model->ccd_type, xres, half_ccd); - return sensor_profile->exposure; -} - - -static SANE_Status -gl124_init_motor_regs_scan (Genesys_Device * dev, - const Genesys_Sensor& sensor, - Genesys_Register_Set * reg, - unsigned int scan_exposure_time, - float scan_yres, - int scan_step_type, - unsigned int scan_lines, - unsigned int scan_dummy, - unsigned int feed_steps, - ScanColorMode scan_mode, - unsigned int flags) -{ - SANE_Status status = SANE_STATUS_GOOD; - int use_fast_fed; - unsigned int lincnt, fast_dpi; - uint16_t scan_table[SLOPE_TABLE_SIZE]; - uint16_t fast_table[SLOPE_TABLE_SIZE]; - int scan_steps,fast_steps,factor; - unsigned int feedl,dist; - uint32_t z1, z2; - float yres; - int min_speed; - unsigned int linesel; - - DBGSTART; - DBG(DBG_info, "%s : scan_exposure_time=%d, scan_yres=%g, scan_step_type=%d, scan_lines=%d, " - "scan_dummy=%d, feed_steps=%d, scan_mode=%d, flags=%x\n", __func__, scan_exposure_time, - scan_yres, scan_step_type, scan_lines, scan_dummy, feed_steps, - static_cast<unsigned>(scan_mode), flags); - - /* we never use fast fed since we do manual feed for the scans */ - use_fast_fed=0; - factor=1; - - /* 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_type) - { - case MOTOR_CANONLIDE110: - min_speed = 600; - break; - case MOTOR_CANONLIDE120: - 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=%f, linesel=%d\n", __func__, yres, linesel); - - lincnt=scan_lines*(linesel+1); - sanei_genesys_set_triple(reg,REG_LINCNT,lincnt); - DBG (DBG_io, "%s: lincnt=%d\n", __func__, lincnt); - - /* compute register 02 value */ - uint8_t r02 = REG02_NOTHOME; - - if (use_fast_fed) { - r02 |= REG02_FASTFED; - } else { - r02 &= ~REG02_FASTFED; - } - - if (flags & MOTOR_FLAG_AUTO_GO_HOME) - r02 |= REG02_AGOHOME; - - if ((flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE) - ||(yres>=sensor.optical_res)) - { - r02 |= REG02_ACDCDIS; - } - - reg->set8(REG02, r02); - sanei_genesys_set_motor_power(*reg, true); - - /* SCANFED */ - sanei_genesys_set_double(reg,REG_SCANFED,4); - - /* scan and backtracking slope table */ - sanei_genesys_slope_table(scan_table, - &scan_steps, - yres, - scan_exposure_time, - dev->motor.base_ydpi, - scan_step_type, - factor, - dev->model->motor_type, - motors); - RIE(gl124_send_slope_table (dev, SCAN_TABLE, scan_table, scan_steps)); - RIE(gl124_send_slope_table (dev, BACKTRACK_TABLE, scan_table, scan_steps)); - - /* STEPNO */ - sanei_genesys_set_double(reg,REG_STEPNO,scan_steps); - - /* fast table */ - fast_dpi=yres; - - /* - if (scan_mode != ScanColorMode::COLOR_SINGLE_PASS) - { - fast_dpi*=3; - } - */ - sanei_genesys_slope_table(fast_table, - &fast_steps, - fast_dpi, - scan_exposure_time, - dev->motor.base_ydpi, - scan_step_type, - factor, - dev->model->motor_type, - motors); - RIE(gl124_send_slope_table (dev, STOP_TABLE, fast_table, fast_steps)); - RIE(gl124_send_slope_table (dev, FAST_TABLE, fast_table, fast_steps)); - - /* FASTNO */ - sanei_genesys_set_double(reg,REG_FASTNO,fast_steps); - - /* FSHDEC */ - sanei_genesys_set_double(reg,REG_FSHDEC,fast_steps); - - /* FMOVNO */ - sanei_genesys_set_double(reg,REG_FMOVNO,fast_steps); - - /* substract acceleration distance from feedl */ - feedl=feed_steps; - feedl<<=scan_step_type; - - dist = scan_steps; - if (flags & MOTOR_FLAG_FEED) - dist *=2; - if (use_fast_fed) - { - dist += fast_steps*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; - - sanei_genesys_set_triple(reg,REG_FEEDL,feedl); - DBG (DBG_io, "%s: feedl=%d\n", __func__, feedl); - - /* doesn't seem to matter that much */ - sanei_genesys_calculate_zmode2 (use_fast_fed, - scan_exposure_time, - scan_table, - scan_steps, - feedl, - scan_steps, - &z1, - &z2); - - sanei_genesys_set_triple(reg, REG_Z1MOD,z1); - DBG(DBG_info, "%s: z1 = %d\n", __func__, z1); - - sanei_genesys_set_triple(reg, REG_Z2MOD, z2); - DBG(DBG_info, "%s: z2 = %d\n", __func__, z2); - - /* LINESEL */ - reg->set8_mask(REG1D, linesel, REG1D_LINESEL); - reg->set8(REGA0, (scan_step_type << REGA0S_STEPSEL) | (scan_step_type << REGA0S_FSTPSEL)); - - /* FMOVDEC */ - sanei_genesys_set_double(reg,REG_FMOVDEC,fast_steps); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -/** @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 half_ccd flag for half ccd mode - * */ -static void gl124_setup_sensor(Genesys_Device * dev, - const Genesys_Sensor& sensor, - Genesys_Register_Set * regs, int dpi, int half_ccd) -{ - int dpihw; - uint32_t exp; - - DBGSTART; - - // we start at 6, 0-5 is a 16 bits cache for exposure - for (uint16_t addr = 0x16; addr < 0x1e; addr++) { - regs->set8(addr, sensor.custom_regs.get_value(addr)); - } - - // skip writing 5d,5e which is AFE address because - // they are not defined in register set */ - for (uint16_t addr = 0x52; addr < 0x52 + 11; addr++) { - regs->set8(addr, sensor.custom_regs.get_value(addr)); - } - - /* set EXPDUMMY and CKxMAP */ - dpihw = sanei_genesys_compute_dpihw(dev, sensor, dpi); - Sensor_Profile* sensor_profile = get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd); - - regs->set8(0x18, sensor_profile->reg18); - regs->set8(0x20, sensor_profile->reg20); - regs->set8(0x61, sensor_profile->reg61); - regs->set8(0x98, sensor_profile->reg98); - if (sensor_profile->reg16 != 0) { - regs->set8(0x16, sensor_profile->reg16); - } - if (sensor_profile->reg70 != 0) { - regs->set8(0x70, sensor_profile->reg70); - } - - - sanei_genesys_set_triple(regs,REG_SEGCNT,sensor_profile->segcnt); - sanei_genesys_set_double(regs,REG_TG0CNT,sensor_profile->tg0cnt); - sanei_genesys_set_double(regs,REG_EXPDMY,sensor_profile->expdummy); - - /* if no calibration has been done, set default values for exposures */ - exp = sensor.exposure.red; - if(exp==0) - { - exp=sensor_profile->expr; - } - sanei_genesys_set_triple(regs,REG_EXPR,exp); - - exp =sensor.exposure.green; - if(exp==0) - { - exp=sensor_profile->expg; - } - sanei_genesys_set_triple(regs,REG_EXPG,exp); - - exp = sensor.exposure.blue; - if(exp==0) - { - exp=sensor_profile->expb; - } - sanei_genesys_set_triple(regs,REG_EXPB,exp); - - sanei_genesys_set_triple(regs,REG_CK1MAP,sensor_profile->ck1map); - sanei_genesys_set_triple(regs,REG_CK3MAP,sensor_profile->ck3map); - sanei_genesys_set_triple(regs,REG_CK4MAP,sensor_profile->ck4map); - - /* order of the sub-segments */ - dev->order=sensor_profile->order; - - DBGCOMPLETED; -} - -/** @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 half_ccd SANE_TRUE if 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 ) - * @return SANE_STATUS_GOOD if OK - */ -static SANE_Status -gl124_init_optical_regs_scan (Genesys_Device * dev, - const Genesys_Sensor& sensor, - Genesys_Register_Set * reg, - unsigned int exposure_time, - int used_res, - unsigned int start, - unsigned int pixels, - int channels, - int depth, - SANE_Bool half_ccd, - ColorFilter color_filter, - int flags) -{ - unsigned int words_per_line, segcnt; - unsigned int startx, endx, used_pixels, segnb; - unsigned int dpiset, cksel, dpihw, factor; - unsigned int bytes; - GenesysRegister *r; - SANE_Status status = SANE_STATUS_GOOD; - uint32_t expmax, exp; - - DBG(DBG_proc, "%s : exposure_time=%d, used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, " - "half_ccd=%d, flags=%x\n", __func__, exposure_time, used_res, start, pixels, channels, depth, - half_ccd, flags); - - /* resolution is divided according to CKSEL */ - r = sanei_genesys_get_address (reg, REG18); - cksel= (r->value & REG18_CKSEL)+1; - DBG (DBG_io2, "%s: cksel=%d\n", __func__, cksel); - - /* to manage high resolution device while keeping good - * low resolution scanning speed, we make hardware dpi vary */ - dpihw=sanei_genesys_compute_dpihw(dev, sensor, used_res * cksel); - factor=sensor.optical_res/dpihw; - DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor); - - /* sensor parameters */ - gl124_setup_sensor(dev, sensor, reg, dpihw, half_ccd); - dpiset = used_res * cksel; - - /* start and end coordinate in optical dpi coordinates */ - /* startx = start/cksel + sensor.dummy_pixel; XXX STEF XXX */ - startx = start/cksel; - used_pixels=pixels/cksel; - endx = startx + used_pixels; - - /* pixel coordinate factor correction when used dpihw is not maximal one */ - startx/=factor; - endx/=factor; - used_pixels=endx-startx; - - status = gl124_set_fe(dev, sensor, AFE_SET); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to set frontend: %s\n", __func__, - sane_strstatus (status)); - return status; - } - - /* enable shading */ - r = sanei_genesys_get_address (reg, REG01); - r->value &= ~REG01_SCAN; - if ((flags & OPTICAL_FLAG_DISABLE_SHADING) || - (dev->model->flags & GENESYS_FLAG_NO_CALIBRATION)) - { - r->value &= ~REG01_DVDSET; - } - else - { - r->value |= REG01_DVDSET; - } - r->value &= ~REG01_SCAN; - - r = sanei_genesys_get_address (reg, REG03); - if((dev->model->ccd_type!=CIS_CANONLIDE120)&&(used_res>=600)) - { - r->value &= ~REG03_AVEENB; - DBG (DBG_io, "%s: disabling AVEENB\n", __func__); - } - else - { - r->value |= ~REG03_AVEENB; - DBG (DBG_io, "%s: enabling AVEENB\n", __func__); - } - - sanei_genesys_set_lamp_power(dev, sensor, *reg, !(flags & OPTICAL_FLAG_DISABLE_LAMP)); - - /* BW threshold */ - RIE (sanei_genesys_write_register (dev, REG114, dev->settings.threshold)); - RIE (sanei_genesys_write_register (dev, REG115, dev->settings.threshold)); - - /* monochrome / color scan */ - r = sanei_genesys_get_address (reg, REG04); - switch (depth) - { - case 1: - r->value &= ~REG04_BITSET; - r->value |= REG04_LINEART; - break; - case 8: - r->value &= ~(REG04_LINEART | REG04_BITSET); - break; - case 16: - r->value &= ~REG04_LINEART; - r->value |= REG04_BITSET; - break; - } - - r->value &= ~REG04_FILTER; - if (channels == 1) - { - switch (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 - } - } - - /* register 05 */ - r = sanei_genesys_get_address (reg, REG05); - - /* set up dpihw */ - r->value &= ~REG05_DPIHW; - switch(dpihw) - { - case 600: - r->value |= REG05_DPIHW_600; - break; - case 1200: - r->value |= REG05_DPIHW_1200; - break; - case 2400: - r->value |= REG05_DPIHW_2400; - break; - case 4800: - r->value |= REG05_DPIHW_4800; - break; - } - - /* enable gamma tables */ - if (flags & OPTICAL_FLAG_DISABLE_GAMMA) - r->value &= ~REG05_GMMENB; - else - r->value |= REG05_GMMENB; - - if(half_ccd) - { - sanei_genesys_set_double(reg,REG_DPISET,dpiset*2); - DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset*2); - } - else - { - sanei_genesys_set_double(reg,REG_DPISET,dpiset); - DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset); - } - - r = sanei_genesys_get_address (reg, REG06); - r->value |= REG06_GAIN4; - - /* CIS scanners can do true gray by setting LEDADD */ - /* we set up LEDADD only when asked */ - if (dev->model->is_cis == SANE_TRUE) - { - r = sanei_genesys_get_address (reg, REG60); - r->value &= ~REG60_LEDADD; - if (channels == 1 && (flags & OPTICAL_FLAG_ENABLE_LEDADD)) - { - r->value |= REG60_LEDADD; - sanei_genesys_get_triple(reg,REG_EXPR,&expmax); - sanei_genesys_get_triple(reg,REG_EXPG,&exp); - if(exp>expmax) - { - expmax=exp; - } - sanei_genesys_get_triple(reg,REG_EXPB,&exp); - if(exp>expmax) - { - expmax=exp; - } - sanei_genesys_set_triple(&dev->reg,REG_EXPR,expmax); - sanei_genesys_set_triple(&dev->reg,REG_EXPG,expmax); - sanei_genesys_set_triple(&dev->reg,REG_EXPB,expmax); - } - /* RGB weighting, REG_TRUER,G and B are to be set */ - r = sanei_genesys_get_address (reg, 0x01); - r->value &= ~REG01_TRUEGRAY; - if (channels == 1 && (flags & OPTICAL_FLAG_ENABLE_LEDADD)) - { - r->value |= REG01_TRUEGRAY; - sanei_genesys_write_register (dev, REG_TRUER, 0x80); - sanei_genesys_write_register (dev, REG_TRUEG, 0x80); - sanei_genesys_write_register (dev, REG_TRUEB, 0x80); - } - } - - /* segment number */ - r = sanei_genesys_get_address (reg, 0x98); - segnb = r->value & 0x0f; - - sanei_genesys_set_triple(reg,REG_STRPIXEL,startx/segnb); - DBG (DBG_io2, "%s: strpixel used=%d\n", __func__, startx/segnb); - sanei_genesys_get_triple(reg,REG_SEGCNT,&segcnt); - if(endx/segnb==segcnt) - { - endx=0; - } - sanei_genesys_set_triple(reg,REG_ENDPIXEL,endx/segnb); - DBG (DBG_io2, "%s: endpixel used=%d\n", __func__, endx/segnb); - - /* words(16bit) before gamma, conversion to 8 bit or lineart */ - words_per_line = (used_pixels * dpiset) / dpihw; - bytes = depth / 8; - if (depth == 1) - { - words_per_line = (words_per_line >> 3) + ((words_per_line & 7) ? 1 : 0); - } - else - { - words_per_line *= bytes; - } - - dev->bpl = words_per_line; - dev->cur = 0; - dev->skip = 0; - dev->len = dev->bpl/segnb; - dev->dist = dev->bpl/segnb; - dev->segnb = segnb; - dev->line_count = 0; - dev->line_interp = 0; - - DBG (DBG_io2, "%s: used_pixels =%d\n", __func__, used_pixels); - DBG (DBG_io2, "%s: pixels =%d\n", __func__, pixels); - DBG (DBG_io2, "%s: depth =%d\n", __func__, depth); - DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long)dev->bpl); - DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len); - DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist); - DBG (DBG_io2, "%s: dev->line_interp=%lu\n", __func__, (unsigned long)dev->line_interp); - - words_per_line *= channels; - dev->wpl = words_per_line; - - /* allocate buffer for odd/even pixels handling */ - dev->oe_buffer.clear(); - dev->oe_buffer.alloc(dev->wpl); - - /* MAXWD is expressed in 2 words unit */ - sanei_genesys_set_triple(reg,REG_MAXWD,(words_per_line)); - DBG (DBG_io2, "%s: words_per_line used=%d\n", __func__, words_per_line); - - sanei_genesys_set_triple(reg,REG_LPERIOD,exposure_time); - DBG (DBG_io2, "%s: exposure_time used=%d\n", __func__, exposure_time); - - sanei_genesys_set_double(reg,REG_DUMMY,sensor.dummy_pixel); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/** set up registers for an actual scan - * - * this function sets up the scanner to scan in normal or single line mode - */ -static SANE_Status -gl124_init_scan_regs(Genesys_Device * dev, const Genesys_Sensor& sensor, Genesys_Register_Set* reg, - SetupParams& params) -{ - params.assert_valid(); - - int used_res; - int start, used_pixels; - int bytes_per_line; - int move; - unsigned int lincnt; - unsigned int oflags, mflags; /**> optical and motor flags */ - int exposure_time; - int stagger; - - int dummy = 0; - int slope_dpi = 0; - int scan_step_type = 1; - int max_shift; - size_t requested_buffer_size, read_buffer_size; - - SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */ - unsigned optical_res; - SANE_Status status = SANE_STATUS_GOOD; - - DBG(DBG_info, "%s ", __func__); - debug_dump(DBG_info, params); - - half_ccd=compute_half_ccd(sensor, params.xres); - - /* optical_res */ - optical_res = sensor.optical_res; - if (half_ccd) - optical_res /= 2; - DBG (DBG_info, "%s: optical_res=%d\n", __func__, optical_res); - - /* stagger */ - if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE)) - stagger = (4 * params.yres) / dev->motor.base_ydpi; - else - stagger = 0; - DBG (DBG_info, "gl124_init_scan_regs : stagger=%d lines\n", stagger); - - /** @brief compute used resolution */ - if (params.flags & SCAN_FLAG_USE_OPTICAL_RES) - { - used_res = optical_res; - } - else - { - /* resolution is choosen from a fixed list and can be used directly, - * unless we have ydpi higher than sensor's maximum one */ - if(params.xres>optical_res) - used_res=optical_res; - else - used_res = params.xres; - } - - /* compute scan parameters values */ - /* pixels are allways given at full optical resolution */ - /* use detected left margin and fixed value */ - /* start */ - /* add x coordinates */ - start = params.startx; - - if (stagger > 0) - start |= 1; - - /* compute correct pixels number */ - used_pixels = (params.pixels * optical_res) / params.xres; - DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels); - - /* round up pixels number if needed */ - if (used_pixels * params.xres < params.pixels * optical_res) - used_pixels++; - - /* we want even number of pixels here */ - if(used_pixels & 1) - used_pixels++; - - /* slope_dpi */ - /* 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 = params.yres * params.channels; - else - slope_dpi = params.yres; - - /* scan_step_type */ - if(params.flags & SCAN_FLAG_FEEDING) - { - scan_step_type=0; - exposure_time=MOVE_EXPOSURE; - } - else - { - exposure_time = gl124_compute_exposure (dev, used_res, half_ccd); - scan_step_type = sanei_genesys_compute_step_type(motors, dev->model->motor_type, exposure_time); - } - - DBG(DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time); - DBG(DBG_info, "%s : scan_step_type=%d\n", __func__, scan_step_type); - - /*** optical parameters ***/ - /* in case of dynamic lineart, we use an internal 8 bit gray scan - * to generate 1 lineart data */ - if (params.flags & SCAN_FLAG_DYNAMIC_LINEART) { - params.depth = 8; - } - - /* we enable true gray for cis scanners only, and just when doing - * scan since color calibration is OK for this mode - */ - oflags = 0; - if (params.flags & SCAN_FLAG_DISABLE_SHADING) - oflags |= OPTICAL_FLAG_DISABLE_SHADING; - if (params.flags & SCAN_FLAG_DISABLE_GAMMA) - oflags |= OPTICAL_FLAG_DISABLE_GAMMA; - if (params.flags & SCAN_FLAG_DISABLE_LAMP) - oflags |= OPTICAL_FLAG_DISABLE_LAMP; - if (params.flags & SCAN_FLAG_CALIBRATION) - oflags |= OPTICAL_FLAG_DISABLE_DOUBLE; - - if (dev->model->is_cis && dev->settings.true_gray) - { - oflags |= OPTICAL_FLAG_ENABLE_LEDADD; - } - - /* now _LOGICAL_ optical values used are known, setup registers */ - status = gl124_init_optical_regs_scan (dev, - sensor, - reg, - exposure_time, - used_res, - start, - used_pixels, - params.channels, - params.depth, - half_ccd, - params.color_filter, - oflags); - if (status != SANE_STATUS_GOOD) - return status; - - /*** motor parameters ***/ - - /* max_shift */ - max_shift=sanei_genesys_compute_max_shift(dev,params.channels,params.yres,params.flags); - - /* lines to scan */ - lincnt = params.lines + max_shift + stagger; - - /* add tl_y to base movement */ - move = params.starty; - DBG(DBG_info, "%s: move=%d steps\n", __func__, move); - - mflags=0; - if(params.flags & SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE) - mflags|=MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE; - if(params.flags & SCAN_FLAG_FEEDING) - mflags|=MOTOR_FLAG_FEED; - - status = gl124_init_motor_regs_scan (dev, sensor, - reg, - exposure_time, - slope_dpi, - scan_step_type, - dev->model->is_cis ? lincnt * params.channels : lincnt, - dummy, - move, - params.scan_mode, - mflags); - if (status != SANE_STATUS_GOOD) - return status; - - /*** prepares data reordering ***/ - - /* words_per_line */ - bytes_per_line = (used_pixels * used_res) / optical_res; - bytes_per_line = (bytes_per_line * params.channels * params.depth) / 8; - - /* since we don't have sheetfed scanners to handle, - * use huge read buffer */ - /* TODO find the best size according to settings */ - requested_buffer_size = 16 * bytes_per_line; - - read_buffer_size = - 2 * requested_buffer_size + - ((max_shift + stagger) * used_pixels * params.channels * params.depth) / 8; - - dev->read_buffer.clear(); - dev->read_buffer.alloc(read_buffer_size); - - dev->lines_buffer.clear(); - dev->lines_buffer.alloc(read_buffer_size); - - dev->shrink_buffer.clear(); - dev->shrink_buffer.alloc(requested_buffer_size); - - dev->out_buffer.clear(); - dev->out_buffer.alloc((8 * dev->settings.pixels * params.channels * params.depth) / 8); - - dev->read_bytes_left = bytes_per_line * lincnt; - - DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left); - dev->read_active = SANE_TRUE; - - - dev->current_setup.params = params; - dev->current_setup.pixels = (used_pixels * used_res) / optical_res; - DBG(DBG_info, "%s: current_setup.pixels=%d\n", __func__, dev->current_setup.pixels); - dev->current_setup.lines = lincnt; - dev->current_setup.depth = params.depth; - dev->current_setup.channels = params.channels; - dev->current_setup.exposure_time = exposure_time; - dev->current_setup.xres = used_res; - dev->current_setup.yres = params.yres; - dev->current_setup.ccd_size_divisor = half_ccd ? 2 : 1; - dev->current_setup.stagger = stagger; - dev->current_setup.max_shift = max_shift + stagger; - - dev->total_bytes_read = 0; - if (params.depth == 1) - dev->total_bytes_to_read = - ((dev->settings.pixels * dev->settings.lines) / 8 + - (((dev->settings.pixels * dev->settings.lines) % 8) ? 1 : 0)) * - params.channels; - else - dev->total_bytes_to_read = - dev->settings.pixels * dev->settings.lines * params.channels * (params.depth / 8); - - DBG(DBG_info, "%s: total bytes to send = %lu\n", __func__, (u_long) dev->total_bytes_to_read); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -static void -gl124_calculate_current_setup (Genesys_Device * dev, const Genesys_Sensor& sensor) -{ - int channels; - int depth; - int start; - - int used_res; - int used_pixels; - unsigned int lincnt; - int exposure_time; - int stagger; - SANE_Bool half_ccd; - - int max_shift, dpihw; - - int optical_res; - - DBG(DBG_info, "%s ", __func__); - debug_dump(DBG_info, dev->settings); - - /* channels */ - if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS) - channels = 3; - else - channels = 1; - - /* depth */ - depth = dev->settings.depth; - if (dev->settings.scan_mode == ScanColorMode::LINEART) - depth = 1; - - /* start */ - start = SANE_UNFIX (dev->model->x_offset); - start += dev->settings.tl_x; - start = (start * sensor.optical_res) / MM_PER_INCH; - - SetupParams params; - params.xres = dev->settings.xres; - params.yres = dev->settings.yres; - params.startx = start; - params.starty = 0; // not used - params.pixels = dev->settings.pixels; - params.lines = dev->settings.lines; - params.depth = depth; - params.channels = channels; - params.scan_method = dev->settings.scan_method; - params.scan_mode = dev->settings.scan_mode; - params.color_filter = dev->settings.color_filter; - params.flags = 0; - - half_ccd=compute_half_ccd(sensor, params.xres); - - DBG(DBG_info, "%s ", __func__); - debug_dump(DBG_info, params); - - /* optical_res */ - optical_res = sensor.optical_res; - - if (params.xres <= (unsigned) optical_res) - used_res = params.xres; - else - used_res=optical_res; - - /* compute scan parameters values */ - /* pixels are allways given at half or full CCD optical resolution */ - /* use detected left margin and fixed value */ - - /* compute correct pixels number */ - used_pixels = (params.pixels * optical_res) / params.xres; - DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels); - - /* exposure */ - exposure_time = gl124_compute_exposure (dev, params.xres, half_ccd); - DBG (DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time); - - /* max_shift */ - max_shift=sanei_genesys_compute_max_shift(dev, params.channels, params.yres, 0); - - /* compute hw dpi for sensor */ - dpihw=sanei_genesys_compute_dpihw(dev, sensor,used_res); - - Sensor_Profile* sensor_profile = get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd); - dev->segnb=sensor_profile->reg98 & 0x0f; - - /* stagger */ - if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE)) - stagger = (4 * params.yres) / dev->motor.base_ydpi; - else - stagger = 0; - DBG (DBG_info, "%s: stagger=%d lines\n", __func__, stagger); - - /* lincnt */ - lincnt = params.lines + max_shift + stagger; - - dev->current_setup.params = params; - dev->current_setup.pixels = (used_pixels * used_res) / optical_res; - DBG (DBG_info, "%s: current_setup.pixels=%d\n", __func__, dev->current_setup.pixels); - dev->current_setup.lines = lincnt; - dev->current_setup.depth = params.depth; - dev->current_setup.channels = params.channels; - dev->current_setup.exposure_time = exposure_time; - dev->current_setup.xres = used_res; - dev->current_setup.yres = params.yres; - dev->current_setup.ccd_size_divisor = half_ccd ? 2 : 1; - dev->current_setup.stagger = stagger; - dev->current_setup.max_shift = max_shift + stagger; - - DBGCOMPLETED; -} - -/** - * for fast power saving methods only, like disabling certain amplifiers - * @param dev device to use - * @param enable true to set inot powersaving - * */ -static SANE_Status -gl124_save_power (Genesys_Device * dev, SANE_Bool enable) -{ - DBG(DBG_proc, "%s: enable = %d\n", __func__, enable); - if (dev == NULL) - return SANE_STATUS_INVAL; - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -static SANE_Status -gl124_set_powersaving (Genesys_Device * dev, int delay /* in minutes */ ) -{ - GenesysRegister *r; - - DBG(DBG_proc, "%s (delay = %d)\n", __func__, delay); - - r = sanei_genesys_get_address (&dev->reg, REG03); - r->value &= ~0xf0; - if(delay<15) - { - r->value |= delay; - } - else - { - r->value |= 0x0f; - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -static SANE_Status -gl124_start_action (Genesys_Device * dev) -{ - return sanei_genesys_write_register (dev, 0x0f, 0x01); -} - -static SANE_Status -gl124_stop_action (Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - uint8_t val40, val; - unsigned int loop; - - DBGSTART; - - /* post scan gpio : without that HOMSNR is unreliable */ - gl124_homsnr_gpio(dev); - - status = sanei_genesys_get_status (dev, &val); - if (DBG_LEVEL >= DBG_io) - { - sanei_genesys_print_status (val); - } - - status = sanei_genesys_read_register (dev, REG100, &val40); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to read reg100: %s\n", __func__, sane_strstatus(status)); - DBGCOMPLETED; - return status; - } - - /* only stop action if needed */ - if (!(val40 & REG100_DATAENB) && !(val40 & REG100_MOTMFLG)) - { - DBG (DBG_info, "%s: already stopped\n", __func__); - DBGCOMPLETED; - return SANE_STATUS_GOOD; - } - - /* ends scan */ - val = dev->reg.get8(REG01); - val &= ~REG01_SCAN; - dev->reg.set8(REG01, val); - status = sanei_genesys_write_register (dev, REG01, val); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "%s: failed to write register 01: %s\n", __func__, - sane_strstatus (status)); - return status; - } - sanei_genesys_sleep_ms(100); - - loop = 10; - while (loop > 0) - { - status = sanei_genesys_get_status (dev, &val); - if (DBG_LEVEL >= DBG_io) - { - sanei_genesys_print_status (val); - } - status = sanei_genesys_read_register (dev, REG100, &val40); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "%s: failed to read home sensor: %s\n", __func__, - sane_strstatus (status)); - DBGCOMPLETED; - return status; - } - - /* if scanner is in command mode, we are done */ - if (!(val40 & REG100_DATAENB) && !(val40 & REG100_MOTMFLG) - && !(val & MOTORENB)) - { - DBGCOMPLETED; - return SANE_STATUS_GOOD; - } - - sanei_genesys_sleep_ms(100); - loop--; - } - - DBGCOMPLETED; - return SANE_STATUS_IO_ERROR; -} - - -/** @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 - * @return SANE_STATUS_GOOD unless REG32 cannot be read - */ -static SANE_Status -gl124_setup_scan_gpio(Genesys_Device *dev, int resolution) -{ -SANE_Status status = SANE_STATUS_GOOD; -uint8_t val; - - DBGSTART; - RIE (sanei_genesys_read_register (dev, REG32, &val)); - - /* LiDE 110, 210 and 220 cases */ - if(dev->model->gpo_type != GPO_CANONLIDE120) - { - 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; - RIE (sanei_genesys_write_register (dev, REG32, val)); - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/* Send the low-level scan command */ -/* todo : is this that useful ? */ -static SANE_Status -gl124_begin_scan (Genesys_Device * dev, const Genesys_Sensor& sensor, Genesys_Register_Set * reg, - SANE_Bool start_motor) -{ - (void) sensor; - - SANE_Status status = SANE_STATUS_GOOD; - uint8_t val; - - DBGSTART; - if (reg == NULL) - return SANE_STATUS_INVAL; - - /* set up GPIO for scan */ - RIE(gl124_setup_scan_gpio(dev,dev->settings.yres)); - - /* clear scan and feed count */ - RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT)); - - /* enable scan and motor */ - RIE (sanei_genesys_read_register (dev, REG01, &val)); - val |= REG01_SCAN; - RIE (sanei_genesys_write_register (dev, REG01, val)); - - if (start_motor) - { - RIE (sanei_genesys_write_register (dev, REG0F, 1)); - } - else - { - RIE (sanei_genesys_write_register (dev, REG0F, 0)); - } - - DBGCOMPLETED; - return status; -} - - -/* Send the stop scan command */ -static SANE_Status -gl124_end_scan (Genesys_Device * dev, Genesys_Register_Set * reg, - SANE_Bool check_stop) -{ - SANE_Status status = SANE_STATUS_GOOD; - - DBG(DBG_proc, "%s (check_stop = %d)\n", __func__, check_stop); - if (reg == NULL) - return SANE_STATUS_INVAL; - - if (dev->model->is_sheetfed == SANE_TRUE) - { - status = SANE_STATUS_GOOD; - } - else /* flat bed scanners */ - { - status = gl124_stop_action (dev); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to stop: %s\n", __func__, sane_strstatus(status)); - return status; - } - } - - DBGCOMPLETED; - return status; -} - - -/** rewind scan - * Move back by the same amount of distance than previous scan. - * @param dev device to rewind - * @returns SANE_STATUS_GOOD on success - */ -static -SANE_Status gl124_rewind(Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - uint8_t byte; - - DBGSTART; - - /* set motor reverse */ - RIE (sanei_genesys_read_register (dev, 0x02, &byte)); - byte |= 0x04; - RIE (sanei_genesys_write_register(dev, 0x02, byte)); - - const auto& sensor = sanei_genesys_find_sensor_any(dev); - - /* and start scan, then wait completion */ - RIE (gl124_begin_scan (dev, sensor, &dev->reg, SANE_TRUE)); - do - { - sanei_genesys_sleep_ms(100); - RIE (sanei_genesys_read_register (dev, REG100, &byte)); - } - while(byte & REG100_MOTMFLG); - RIE (gl124_end_scan (dev, &dev->reg, SANE_TRUE)); - - /* restore direction */ - RIE (sanei_genesys_read_register (dev, 0x02, &byte)); - byte &= 0xfb; - RIE (sanei_genesys_write_register(dev, 0x02, byte)); - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -/** 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 - * @returns SANE_STATUS_GOO on success */ -static -SANE_Status -gl124_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home) -{ - Genesys_Register_Set local_reg; - SANE_Status status = SANE_STATUS_GOOD; - GenesysRegister *r; - uint8_t val; - float resolution; - int loop = 0; - - DBG(DBG_proc, "%s (wait_until_home = %d)\n", __func__, wait_until_home); - - /* post scan gpio : without that HOMSNR is unreliable */ - gl124_homsnr_gpio(dev); - - /* first read gives HOME_SENSOR true */ - status = sanei_genesys_get_status (dev, &val); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to read home sensor: %s\n", __func__, sane_strstatus(status)); - return status; - } - if (DBG_LEVEL >= DBG_io) - { - sanei_genesys_print_status (val); - } - sanei_genesys_sleep_ms(100); - - /* second is reliable */ - status = sanei_genesys_get_status (dev, &val); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to read home sensor: %s\n", __func__, sane_strstatus(status)); - return status; - } - if (DBG_LEVEL >= DBG_io) - { - sanei_genesys_print_status (val); - } - - /* is sensor at home? */ - if (val & HOMESNR) - { - DBG (DBG_info, "%s: already at home, completed\n", __func__); - dev->scanhead_position_in_steps = 0; - DBGCOMPLETED; - return SANE_STATUS_GOOD; - } - - /* feed a little first */ - if (dev->model->model_id == MODEL_CANON_LIDE_210) - { - status = gl124_feed (dev, 20, SANE_TRUE); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to do initial feed: %s\n", __func__, sane_strstatus(status)); - return status; - } - } - - local_reg = dev->reg; - resolution=sanei_genesys_get_lowest_dpi(dev); - - const auto& sensor = sanei_genesys_find_sensor_any(dev); - - SetupParams params; - params.xres = resolution; - params.yres = resolution; - params.startx = 100; - params.starty = 30000; - params.pixels = 100; - params.lines = 100; - params.depth = 8; - params.channels = 1; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::GRAY; - params.color_filter = ColorFilter::RED; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - status = gl124_init_scan_regs(dev, sensor, &local_reg, params); - - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to set up registers: %s\n", __func__, sane_strstatus(status)); - DBGCOMPLETED; - return status; - } - - /* clear scan and feed count */ - RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT)); - - /* set up for reverse and no scan */ - r = sanei_genesys_get_address(&local_reg, REG02); - r->value |= REG02_MTRREV; - - RIE (dev->model->cmd_set->bulk_write_register(dev, local_reg)); - - RIE(gl124_setup_scan_gpio(dev,resolution)); - - try { - status = gl124_start_action (dev); - } catch (...) { - DBG(DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus(status)); - try { - gl124_stop_action (dev); - } catch (...) {} - try { - // restore original registers - dev->model->cmd_set->bulk_write_register(dev, dev->reg); - } catch (...) {} - throw; - } - if (status != SANE_STATUS_GOOD) { - DBG(DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus(status)); - try { - gl124_stop_action (dev); - } catch (...) {} - /* restore original registers */ - dev->model->cmd_set->bulk_write_register(dev, dev->reg); - return status; - } - - /* post scan gpio : without that HOMSNR is unreliable */ - gl124_homsnr_gpio(dev); - - if (wait_until_home) - { - - while (loop < 300) /* do not wait longer then 30 seconds */ - { - status = sanei_genesys_get_status (dev, &val); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to read home sensor: %s\n", __func__, - sane_strstatus(status)); - return status; - } - - if (val & HOMESNR) /* home sensor */ - { - DBG(DBG_info, "%s: reached home position\n", __func__); - DBGCOMPLETED; - dev->scanhead_position_in_steps = 0; - return SANE_STATUS_GOOD; - } - sanei_genesys_sleep_ms(100); - ++loop; - } - - /* when we come here then the scanner needed too much time for this, so we better stop the motor */ - gl124_stop_action (dev); - DBG(DBG_error, "%s: timeout while waiting for scanhead to go home\n", __func__); - return SANE_STATUS_IO_ERROR; - } - - DBG(DBG_info, "%s: scanhead is still moving\n", __func__); - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/** @brief moves the slider to steps at motor base dpi - * @param dev device to work on - * @param steps number of steps to move - * @param reverse true is moving backward - * */ -static SANE_Status -gl124_feed (Genesys_Device * dev, unsigned int steps, int reverse) -{ - Genesys_Register_Set local_reg; - SANE_Status status = SANE_STATUS_GOOD; - GenesysRegister *r; - float resolution; - uint8_t val; - - DBGSTART; - DBG (DBG_io, "%s: steps=%d\n", __func__, steps); - - /* prepare local registers */ - local_reg = dev->reg; - - resolution=sanei_genesys_get_lowest_ydpi(dev); - const auto& sensor = sanei_genesys_find_sensor(dev, resolution); - - SetupParams params; - params.xres = resolution; - params.yres = resolution; - params.startx = 0; - params.starty = steps; - params.pixels = 100; - params.lines = 3; - params.depth = 8; - params.channels = 3; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; - params.color_filter = dev->settings.color_filter; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_FEEDING | - SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - status = gl124_init_scan_regs(dev, sensor, &local_reg, params); - - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to set up registers: %s\n", __func__, sane_strstatus (status)); - DBGCOMPLETED; - return status; - } - - /* set exposure to zero */ - sanei_genesys_set_triple(&local_reg,REG_EXPR,0); - sanei_genesys_set_triple(&local_reg,REG_EXPG,0); - sanei_genesys_set_triple(&local_reg,REG_EXPB,0); - - /* clear scan and feed count */ - RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT)); - RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRMCNT)); - - /* set up for no scan */ - r = sanei_genesys_get_address (&local_reg, REG01); - r->value &= ~REG01_SCAN; - - /* set up for reverse if needed */ - if(reverse) - { - r = sanei_genesys_get_address (&local_reg, REG02); - r->value |= REG02_MTRREV; - } - - /* send registers */ - RIE (dev->model->cmd_set->bulk_write_register(dev, local_reg)); - - status = gl124_start_action (dev); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus (status)); - gl124_stop_action (dev); - - /* restore original registers */ - dev->model->cmd_set->bulk_write_register(dev, dev->reg); - return status; - } - - /* wait until feed count reaches the required value, but do not - * exceed 30s */ - do - { - status = sanei_genesys_get_status (dev, &val); - } - while (status == SANE_STATUS_GOOD && !(val & FEEDFSH)); - - /* then stop scanning */ - RIE(gl124_stop_action (dev)); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -/* Automatically set top-left edge of the scan area by scanning a 200x200 pixels - area at 600 dpi from very top of scanner */ -static SANE_Status -gl124_search_start_position (Genesys_Device * dev) -{ - int size; - SANE_Status status = SANE_STATUS_GOOD; - Genesys_Register_Set local_reg = dev->reg; - int steps; - - int pixels = 600; - int dpi = 300; - - DBGSTART; - - /* 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. - auto& sensor = sanei_genesys_find_sensor_for_write(dev, dpi); - - SetupParams params; - params.xres = dpi; - params.yres = dpi; - params.startx = 0; - params.starty = 0; /*we should give a small offset here~60 steps */ - params.pixels = 600; - params.lines = dev->model->search_lines; - params.depth = 8; - params.channels = 1; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::GRAY; - params.color_filter = ColorFilter::GREEN; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_IGNORE_LINE_DISTANCE | - SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE; - - status = gl124_init_scan_regs(dev, sensor, &local_reg, params); - - if (status!=SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to init scan registers: %s\n", __func__, sane_strstatus(status)); - return status; - } - - /* send to scanner */ - status = dev->model->cmd_set->bulk_write_register(dev, local_reg); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to bulk write registers: %s\n", __func__, sane_strstatus(status)); - return status; - } - - size = pixels * dev->model->search_lines; - - std::vector<uint8_t> data(size); - - status = gl124_begin_scan (dev, sensor, &local_reg, SANE_TRUE); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to begin scan: %s\n", __func__, sane_strstatus(status)); - return status; - } - - /* waits for valid data */ - do - sanei_genesys_test_buffer_empty (dev, &steps); - while (steps); - - /* now we're on target, we can read data */ - status = sanei_genesys_read_data_from_scanner (dev, data.data(), size); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to read data: %s\n", __func__, sane_strstatus(status)); - return status; - } - - if (DBG_LEVEL >= DBG_data) - sanei_genesys_write_pnm_file("gl124_search_position.pnm", data.data(), 8, 1, pixels, - dev->model->search_lines); - - status = gl124_end_scan (dev, &local_reg, SANE_TRUE); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to end scan: %s\n", __func__, sane_strstatus(status)); - return status; - } - - /* update regs to copy ASIC internal state */ - dev->reg = local_reg; - - status = - sanei_genesys_search_reference_point (dev, sensor, data.data(), 0, dpi, pixels, - dev->model->search_lines); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to set search reference point: %s\n", __func__, - sane_strstatus(status)); - return status; - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/* - * sets up register for coarse gain calibration - * todo: check it for scanners using it */ -static SANE_Status -gl124_init_regs_for_coarse_calibration(Genesys_Device* dev, const Genesys_Sensor& sensor, - Genesys_Register_Set& regs) -{ - SANE_Status status = SANE_STATUS_GOOD; - uint8_t channels; - uint8_t cksel; - - DBGSTART; - cksel = (regs.find_reg(0x18).value & REG18_CKSEL) + 1; /* clock speed = 1..4 clocks */ - - /* set line size */ - if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS) { - channels = 3; - } else { - channels = 1; - } - - SetupParams params; - params.xres = dev->settings.xres; - params.yres = dev->settings.yres; - params.startx = 0; - params.starty = 0; - params.pixels = sensor.optical_res / cksel; - params.lines = 20; - params.depth = 16; - params.channels = channels; - params.scan_method = dev->settings.scan_method; - params.scan_mode = dev->settings.scan_mode; - params.color_filter = dev->settings.color_filter; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_FEEDING | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - status = gl124_init_scan_regs(dev, sensor, ®s, params); - - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus(status)); - return status; - } - sanei_genesys_set_motor_power(regs, false); - - DBG(DBG_info, "%s: optical sensor res: %d dpi, actual res: %d\n", __func__, - sensor.optical_res / cksel, dev->settings.xres); - - status = dev->model->cmd_set->bulk_write_register(dev, regs); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to bulk write registers: %s\n", __func__, sane_strstatus(status)); - return status; - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -/* init registers for shading calibration */ -/* shading calibration is done at dpihw */ -static SANE_Status -gl124_init_regs_for_shading(Genesys_Device * dev, const Genesys_Sensor& sensor, - Genesys_Register_Set& regs) -{ - SANE_Status status = SANE_STATUS_GOOD; - int move, resolution, dpihw, factor; - - DBGSTART; - - /* initial calibration reg values */ - regs = dev->reg; - - dev->calib_channels = 3; - dev->calib_lines = dev->model->shading_lines; - dpihw=sanei_genesys_compute_dpihw(dev, sensor, dev->settings.xres); - if(dpihw>=2400) - { - dev->calib_lines *= 2; - } - resolution=dpihw; - - /* if half CCD mode, use half resolution */ - if(compute_half_ccd(sensor, dev->settings.xres)==SANE_TRUE) - { - resolution /= 2; - dev->calib_lines /= 2; - } - dev->calib_resolution = resolution; - dev->calib_total_bytes_to_read = 0; - factor=sensor.optical_res/resolution; - dev->calib_pixels = sensor.sensor_pixels/factor; - - /* distance to move to reach white target at high resolution */ - move=0; - if(dev->settings.yres>=1200) - { - move = SANE_UNFIX (dev->model->y_offset_calib); - move = (move * (dev->motor.base_ydpi/4)) / MM_PER_INCH; - } - DBG (DBG_io, "%s: move=%d steps\n", __func__, move); - - SetupParams params; - params.xres = resolution; - params.yres = resolution; - params.startx = 0; - params.starty = move; - params.pixels = dev->calib_pixels; - params.lines = dev->calib_lines; - params.depth = 16; - params.channels = dev->calib_channels; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; - params.color_filter = ColorFilter::RED; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - status = gl124_init_scan_regs(dev, sensor, ®s, params); - - sanei_genesys_set_motor_power(regs, false); - - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, - sane_strstatus (status)); - return status; - } - - dev->scanhead_position_in_steps += dev->calib_lines + move; - - status = dev->model->cmd_set->bulk_write_register(dev, regs); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "%s: failed to bulk write registers: %s\n", __func__, - sane_strstatus (status)); - return status; - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -static void gl124_wait_for_motor_stop(Genesys_Device* dev) -{ - DBG_HELPER(dbg); - uint8_t val40, val; - - TIE(sanei_genesys_get_status(dev, &val)); - TIE(sanei_genesys_read_register(dev, REG100, &val40)); - - if ((val & MOTORENB) == 0 && (val40 & REG100_MOTMFLG) == 0) - return; - - do { - sanei_genesys_sleep_ms(10); - TIE(sanei_genesys_get_status(dev, &val)); - TIE(sanei_genesys_read_register(dev, REG100, &val40)); - } while ((val & MOTORENB) ||(val40 & REG100_MOTMFLG)); - sanei_genesys_sleep_ms(50); -} - -/** @brief set up registers for the actual scan - */ -static SANE_Status -gl124_init_regs_for_scan (Genesys_Device * dev, const Genesys_Sensor& sensor) -{ - int channels; - int flags; - int depth; - float move; - int move_dpi; - float start; - - SANE_Status status = SANE_STATUS_GOOD; - - DBG(DBG_info, "%s ", __func__); - debug_dump(DBG_info, dev->settings); - - /* channels */ - if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS) - channels = 3; - else - channels = 1; - - /* depth */ - depth = dev->settings.depth; - if (dev->settings.scan_mode == ScanColorMode::LINEART) - depth = 1; - - /* y (motor) distance to move to reach scanned area */ - move_dpi = dev->motor.base_ydpi/4; - move = SANE_UNFIX (dev->model->y_offset); - move += dev->settings.tl_y; - move = (move * move_dpi) / MM_PER_INCH; - DBG (DBG_info, "%s: move=%f steps\n", __func__, move); - - if(channels*dev->settings.yres>=600 && move>700) - { - status = gl124_feed (dev, move-500, SANE_FALSE); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to move to scan area\n",__func__); - return status; - } - move=500; - } - DBG(DBG_info, "%s: move=%f steps\n", __func__, move); - - /* start */ - start = SANE_UNFIX (dev->model->x_offset); - start += dev->settings.tl_x; - if(compute_half_ccd(sensor, dev->settings.xres)==SANE_TRUE) - { - start /=2; - } - start = (start * sensor.optical_res) / MM_PER_INCH; - - flags = 0; - - /* enable emulated lineart from gray data */ - if(dev->settings.scan_mode == ScanColorMode::LINEART - && dev->settings.dynamic_lineart) - { - flags |= SCAN_FLAG_DYNAMIC_LINEART; - } - - SetupParams params; - params.xres = dev->settings.xres; - params.yres = dev->settings.yres; - params.startx = start; - params.starty = move; - params.pixels = dev->settings.pixels; - params.lines = dev->settings.lines; - params.depth = depth; - params.channels = channels; - params.scan_method = dev->settings.scan_method; - params.scan_mode = dev->settings.scan_mode; - params.color_filter = dev->settings.color_filter; - params.flags = flags; - - status = gl124_init_scan_regs(dev, sensor, &dev->reg, params); - - if (status != SANE_STATUS_GOOD) - return status; - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/** - * Send shading calibration data. The buffer is considered to always hold values - * for all the channels. - */ -static SANE_Status -gl124_send_shading_data (Genesys_Device * dev, const Genesys_Sensor& sensor, - uint8_t * data, int size) -{ - SANE_Status status = SANE_STATUS_GOOD; - uint32_t addr, length, strpixel ,endpixel, x, factor, segcnt, pixels, i; - uint32_t lines, channels; - uint16_t dpiset,dpihw; - uint8_t val,*ptr,*src; - - DBGSTART; - DBG( DBG_io2, "%s: writing %d bytes of shading data\n",__func__,size); - - /* logical size of a color as seen by generic code of the frontend */ - length = (uint32_t) (size / 3); - sanei_genesys_get_triple(&dev->reg,REG_STRPIXEL,&strpixel); - sanei_genesys_get_triple(&dev->reg,REG_ENDPIXEL,&endpixel); - sanei_genesys_get_triple(&dev->reg,REG_SEGCNT,&segcnt); - if(endpixel==0) - { - endpixel=segcnt; - } - DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d, SEGCNT=%d\n",__func__,strpixel,endpixel,endpixel-strpixel,segcnt); - - /* compute deletion factor */ - sanei_genesys_get_double(&dev->reg,REG_DPISET,&dpiset); - dpihw=sanei_genesys_compute_dpihw(dev, sensor, dpiset); - factor=dpihw/dpiset; - DBG( DBG_io2, "%s: factor=%d\n",__func__,factor); - - /* binary data logging */ - if(DBG_LEVEL>=DBG_data) - { - dev->binary=fopen("binary.pnm","wb"); - sanei_genesys_get_triple(&dev->reg, REG_LINCNT, &lines); - channels=dev->current_setup.channels; - if(dev->binary!=NULL) - { - fprintf(dev->binary,"P5\n%d %d\n%d\n",(endpixel-strpixel)/factor*channels*dev->segnb,lines/channels,255); - } - } - - /* 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; - - 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->segnb, 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->segnb) - { - 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; - } - RIE (sanei_genesys_read_register (dev, 0xd0+i, &val)); - addr = val * 8192 + 0x10000000; - status = sanei_genesys_write_ahb(dev, addr, pixels*dev->segnb, buffer.data()); - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s; write to AHB failed (%s)\n", __func__, sane_strstatus(status)); - return status; - } - } - - DBGCOMPLETED; - - return status; -} - - -/** @brief move to calibration area - * This functions moves scanning head to calibration area - * by doing a 600 dpi scan - * @param dev scanner device - * @return SANE_STATUS_GOOD on success, else the error code - */ -static SANE_Status -move_to_calibration_area (Genesys_Device * dev, const Genesys_Sensor& sensor, - Genesys_Register_Set& regs) -{ - int pixels; - int size; - SANE_Status status = SANE_STATUS_GOOD; - - DBGSTART; - - pixels = (sensor.sensor_pixels*600)/sensor.optical_res; - - /* initial calibration reg values */ - regs = dev->reg; - - SetupParams params; - params.xres = 600; - params.yres = 600; - params.startx = 0; - params.starty = 0; - params.pixels = pixels; - params.lines = 1; - params.depth = 8; - params.channels = 3; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; - params.color_filter = dev->settings.color_filter; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - status = gl124_init_scan_regs(dev, sensor, ®s, params); - - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status)); - return status; - } - - size = pixels * 3; - std::vector<uint8_t> line(size); - - /* write registers and scan data */ - RIE(dev->model->cmd_set->bulk_write_register(dev, regs)); - - DBG (DBG_info, "%s: starting line reading\n", __func__); - RIE(gl124_begin_scan (dev, sensor, ®s, SANE_TRUE)); - RIE(sanei_genesys_read_data_from_scanner(dev, line.data(), size)); - - /* stop scanning */ - RIE(gl124_stop_action (dev)); - - if (DBG_LEVEL >= DBG_data) - { - sanei_genesys_write_pnm_file("gl124_movetocalarea.pnm", line.data(), 8, 3, pixels, 1); - } - - DBGCOMPLETED; - return status; -} - -/* 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 -*/ -static SANE_Status -gl124_led_calibration (Genesys_Device * dev, Genesys_Sensor& sensor, Genesys_Register_Set& regs) -{ - int num_pixels; - int total_size; - int resolution; - int dpihw; - int i, j; - SANE_Status status = SANE_STATUS_GOOD; - int val; - int channels, depth; - int avg[3]; - int turn; - uint16_t exp[3],target; - SANE_Bool acceptable; - SANE_Bool half_ccd; - - DBGSTART; - - /* move to calibration area */ - move_to_calibration_area(dev, sensor, regs); - - /* offset calibration is always done in 16 bit depth color mode */ - channels = 3; - depth=16; - dpihw=sanei_genesys_compute_dpihw(dev, sensor, dev->settings.xres); - half_ccd=compute_half_ccd(sensor, dev->settings.xres); - if(half_ccd==SANE_TRUE) - { - resolution = dpihw/2; - } - else - { - resolution = dpihw; - } - Sensor_Profile* sensor_profile = get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd); - num_pixels = (sensor.sensor_pixels*resolution)/sensor.optical_res; - - /* initial calibration reg values */ - regs = dev->reg; - - SetupParams params; - params.xres = resolution; - params.yres = resolution; - params.startx = 0; - params.starty = 0; - params.pixels = num_pixels; - params.lines = 1; - params.depth = depth; - params.channels = channels; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; - params.color_filter = dev->settings.color_filter; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - status = gl124_init_scan_regs(dev, sensor, ®s, params); - - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status)); - return status; - } - - total_size = num_pixels * channels * (depth/8) * 1; /* colors * bytes_per_color * scan lines */ - std::vector<uint8_t> line(total_size); - - /* initial loop values and boundaries */ - exp[0]=sensor_profile->expr; - exp[1]=sensor_profile->expg; - exp[2]=sensor_profile->expb; - target=sensor.gain_white_ref*256; - - turn = 0; - - /* no move during led calibration */ - sanei_genesys_set_motor_power(regs, false); - do - { - /* set up exposure */ - sanei_genesys_set_triple(®s,REG_EXPR,exp[0]); - sanei_genesys_set_triple(®s,REG_EXPG,exp[1]); - sanei_genesys_set_triple(®s,REG_EXPB,exp[2]); - - /* write registers and scan data */ - RIE(dev->model->cmd_set->bulk_write_register(dev, regs)); - - DBG(DBG_info, "%s: starting line reading\n", __func__); - RIE(gl124_begin_scan (dev, sensor, ®s, SANE_TRUE)); - RIE(sanei_genesys_read_data_from_scanner (dev, line.data(), total_size)); - - /* stop scanning */ - RIE(gl124_stop_action (dev)); - - if (DBG_LEVEL >= DBG_data) - { - char fn[30]; - snprintf(fn, 30, "gl124_led_%02d.pnm", turn); - sanei_genesys_write_pnm_file(fn, line.data(), 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 = SANE_TRUE; - for(i=0;i<3;i++) - { - /* we accept +- 2% delta from target */ - if(abs(avg[i]-target)>target/50) - { - exp[i]=(exp[i]*target)/avg[i]; - acceptable = SANE_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 */ - sanei_genesys_set_triple(&dev->reg,REG_EXPR,exp[0]); - sanei_genesys_set_triple(&dev->reg,REG_EXPG,exp[1]); - sanei_genesys_set_triple(&dev->reg,REG_EXPB,exp[2]); - - /* store in this struct since it is the one used by cache calibration */ - sensor.exposure.red = exp[0]; - sensor.exposure.green = exp[1]; - sensor.exposure.blue = exp[2]; - - DBGCOMPLETED; - return status; -} - -/** - * 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; -} - - -static SANE_Status -gl124_offset_calibration(Genesys_Device * dev, const Genesys_Sensor& sensor, - Genesys_Register_Set& regs) -{ - SANE_Status status = SANE_STATUS_GOOD; - uint8_t reg0a; - unsigned int channels, bpp; - int pass = 0, avg, total_size; - int topavg, bottomavg, resolution, lines; - int top, bottom, black_pixels, pixels; - - DBGSTART; - - /* no gain nor offset for TI AFE */ - RIE (sanei_genesys_read_register (dev, REG0A, ®0a)); - if(((reg0a & REG0A_SIFSEL)>>REG0AS_SIFSEL)==3) - { - DBGCOMPLETED; - return status; - } - - /* offset calibration is always done in color mode */ - channels = 3; - resolution=sensor.optical_res; - dev->calib_pixels = sensor.sensor_pixels; - lines=1; - bpp=8; - pixels= (sensor.sensor_pixels*resolution) / sensor.optical_res; - black_pixels = (sensor.black_pixels * resolution) / sensor.optical_res; - DBG(DBG_io2, "%s: black_pixels=%d\n", __func__, black_pixels); - - SetupParams params; - params.xres = resolution; - params.yres = resolution; - params.startx = 0; - params.starty = 0; - params.pixels = pixels; - params.lines = lines; - params.depth = bpp; - params.channels = channels; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; - params.color_filter = dev->settings.color_filter; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - status = gl124_init_scan_regs(dev, sensor, ®s, params); - - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus(status)); - return status; - } - sanei_genesys_set_motor_power(regs, false); - - /* allocate memory for scans */ - total_size = pixels * channels * lines * (bpp/8); /* colors * bytes_per_color * scan lines */ - - 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); - - RIE(gl124_set_fe(dev, sensor, AFE_SET)); - RIE(dev->model->cmd_set->bulk_write_register(dev, regs)); - DBG(DBG_info, "%s: starting first line reading\n", __func__); - RIE(gl124_begin_scan(dev, sensor, ®s, SANE_TRUE)); - RIE(sanei_genesys_read_data_from_scanner(dev, first_line.data(), total_size)); - if (DBG_LEVEL >= DBG_data) - { - char title[30]; - snprintf(title, 30, "gl124_offset%03d.pnm", bottom); - sanei_genesys_write_pnm_file(title, first_line.data(), bpp, 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); - RIE(gl124_set_fe(dev, sensor, AFE_SET)); - RIE(dev->model->cmd_set->bulk_write_register(dev, regs)); - DBG(DBG_info, "%s: starting second line reading\n", __func__); - RIE(gl124_begin_scan(dev, sensor, ®s, SANE_TRUE)); - RIE(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 */ - RIE(gl124_set_fe(dev, sensor, AFE_SET)); - RIE(dev->model->cmd_set->bulk_write_register(dev, regs)); - DBG(DBG_info, "%s: starting second line reading\n", __func__); - RIE(gl124_begin_scan(dev, sensor, ®s, SANE_TRUE)); - RIE(sanei_genesys_read_data_from_scanner(dev, second_line.data(), total_size)); - - if (DBG_LEVEL >= DBG_data) - { - char title[30]; - snprintf(title, 30, "gl124_offset%03d.pnm", dev->frontend.get_offset(1)); - sanei_genesys_write_pnm_file(title, second_line.data(), bpp, 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)); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -/* 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. - */ -static SANE_Status -gl124_coarse_gain_calibration(Genesys_Device * dev, const Genesys_Sensor& sensor, - Genesys_Register_Set& regs, int dpi) -{ - int pixels; - int total_size; - uint8_t reg0a; - int i, j, channels; - SANE_Status status = SANE_STATUS_GOOD; - int max[3]; - float gain[3],coeff; - int val, code, lines; - int resolution; - int bpp; - - DBG(DBG_proc, "%s: dpi = %d\n", __func__, dpi); - - /* no gain nor offset for TI AFE */ - RIE (sanei_genesys_read_register (dev, REG0A, ®0a)); - if(((reg0a & REG0A_SIFSEL)>>REG0AS_SIFSEL)==3) - { - DBGCOMPLETED; - return status; - } - - /* coarse gain calibration is always done in color mode */ - channels = 3; - - /* follow CKSEL */ - if(dev->settings.xres<sensor.optical_res) - { - coeff=0.9; - /*resolution=sensor.optical_res/2;*/ - resolution=sensor.optical_res; - } - else - { - resolution=sensor.optical_res; - coeff=1.0; - } - lines=10; - bpp=8; - pixels = (sensor.sensor_pixels * resolution) / sensor.optical_res; - - SetupParams params; - params.xres = resolution; - params.yres = resolution; - params.startx = 0; - params.starty = 0; - params.pixels = pixels; - params.lines = lines; - params.depth = bpp; - params.channels = channels; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; - params.color_filter = dev->settings.color_filter; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - try { - status = gl124_init_scan_regs(dev, sensor, ®s, params); - } catch (...) { - try { - sanei_genesys_set_motor_power(regs, false); - } catch (...) {} - throw; - } - - sanei_genesys_set_motor_power(regs, false); - - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus(status)); - return status; - } - - RIE (dev->model->cmd_set->bulk_write_register(dev, regs)); - - total_size = pixels * channels * (16/bpp) * lines; - - std::vector<uint8_t> line(total_size); - - RIE(gl124_set_fe(dev, sensor, AFE_SET)); - RIE(gl124_begin_scan(dev, sensor, ®s, SANE_TRUE)); - RIE(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(), bpp, 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(bpp==16) - { - if (dev->model->is_cis) - val = - line[i * 2 + j * 2 * pixels + 1] * 256 + - line[i * 2 + j * 2 * pixels]; - else - val = - line[i * 2 * channels + 2 * j + 1] * 256 + - line[i * 2 * channels + 2 * j]; - } - else - { - 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] = ((float) sensor.gain_white_ref*coeff) / max[j]; - - /* turn logical gain value into gain code, checking for overflow */ - code = 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)); - } - - RIE (gl124_stop_action (dev)); - - status = gl124_slow_back_home (dev, SANE_TRUE); - - DBGCOMPLETED; - return status; -} - -/* - * wait for lamp warmup by scanning the same line until difference - * between 2 scans is below a threshold - */ -static SANE_Status -gl124_init_regs_for_warmup (Genesys_Device * dev, - const Genesys_Sensor& sensor, - Genesys_Register_Set * reg, - int *channels, int *total_size) -{ - int num_pixels; - SANE_Status status = SANE_STATUS_GOOD; - - DBGSTART; - if (dev == NULL || reg == NULL || channels == NULL || total_size == NULL) - return SANE_STATUS_INVAL; - - *channels=3; - - *reg = dev->reg; - - SetupParams params; - params.xres = sensor.optical_res; - params.yres = dev->motor.base_ydpi; - params.startx = sensor.sensor_pixels / 4; - params.starty = 0; - params.pixels = sensor.sensor_pixels / 2; - params.lines = 1; - params.depth = 8; - params.channels = *channels; - params.scan_method = dev->settings.scan_method; - params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS; - params.color_filter = dev->settings.color_filter; - params.flags = SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE; - - status = gl124_init_scan_regs(dev, sensor, reg, params); - - if (status != SANE_STATUS_GOOD) - { - DBG(DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus(status)); - return status; - } - - num_pixels = dev->current_setup.pixels; - - *total_size = num_pixels * 3 * 1; /* colors * bytes_per_color * scan lines */ - - sanei_genesys_set_motor_power(*reg, false); - RIE (dev->model->cmd_set->bulk_write_register(dev, *reg)); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/** @brief default GPIO values - * set up GPIO/GPOE for idle state - * @param dev device to set up - * @return SANE_STATUS_GOOD unless a GPIO register cannot be written - */ -static SANE_Status -gl124_init_gpio (Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - int idx; - - DBGSTART; - - /* per model GPIO layout */ - if (dev->model->model_id == MODEL_CANON_LIDE_110) - { - idx = 0; - } - else if (dev->model->model_id == MODEL_CANON_LIDE_120) - { - idx = 2; - } - else - { /* canon LiDE 210 and 220 case */ - idx = 1; - } - - RIE (sanei_genesys_write_register (dev, REG31, gpios[idx].r31)); - RIE (sanei_genesys_write_register (dev, REG32, gpios[idx].r32)); - RIE (sanei_genesys_write_register (dev, REG33, gpios[idx].r33)); - RIE (sanei_genesys_write_register (dev, REG34, gpios[idx].r34)); - RIE (sanei_genesys_write_register (dev, REG35, gpios[idx].r35)); - RIE (sanei_genesys_write_register (dev, REG36, gpios[idx].r36)); - RIE (sanei_genesys_write_register (dev, REG38, gpios[idx].r38)); - - DBGCOMPLETED; - return status; -} - -/** - * set memory layout by filling values in dedicated registers - */ -static SANE_Status -gl124_init_memory_layout (Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - int idx = 0; - - DBGSTART; - - /* point to per model memory layout */ - if (dev->model->model_id == MODEL_CANON_LIDE_110 ||dev->model->model_id == MODEL_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 */ - sanei_genesys_write_register (dev, 0xd0, layouts[idx].rd0); - /* G-Channel shading bank0 address setting for CIS */ - sanei_genesys_write_register (dev, 0xd1, layouts[idx].rd1); - /* B-Channel shading bank0 address setting for CIS */ - sanei_genesys_write_register (dev, 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 */ - sanei_genesys_write_register (dev, 0xe0, layouts[idx].re0); - sanei_genesys_write_register (dev, 0xe1, layouts[idx].re1); - /* R-Channel ODD image buffer end-address 0x0291->0x148800 => size=0xB6800*/ - sanei_genesys_write_register (dev, 0xe2, layouts[idx].re2); - sanei_genesys_write_register (dev, 0xe3, layouts[idx].re3); - - /* R-Channel EVEN image buffer 0x0292 */ - sanei_genesys_write_register (dev, 0xe4, layouts[idx].re4); - sanei_genesys_write_register (dev, 0xe5, layouts[idx].re5); - /* R-Channel EVEN image buffer end-address 0x03ff*/ - sanei_genesys_write_register (dev, 0xe6, layouts[idx].re6); - sanei_genesys_write_register (dev, 0xe7, layouts[idx].re7); - - /* same for green, since CIS, same addresses */ - sanei_genesys_write_register (dev, 0xe8, layouts[idx].re0); - sanei_genesys_write_register (dev, 0xe9, layouts[idx].re1); - sanei_genesys_write_register (dev, 0xea, layouts[idx].re2); - sanei_genesys_write_register (dev, 0xeb, layouts[idx].re3); - sanei_genesys_write_register (dev, 0xec, layouts[idx].re4); - sanei_genesys_write_register (dev, 0xed, layouts[idx].re5); - sanei_genesys_write_register (dev, 0xee, layouts[idx].re6); - sanei_genesys_write_register (dev, 0xef, layouts[idx].re7); - -/* same for blue, since CIS, same addresses */ - sanei_genesys_write_register (dev, 0xf0, layouts[idx].re0); - sanei_genesys_write_register (dev, 0xf1, layouts[idx].re1); - sanei_genesys_write_register (dev, 0xf2, layouts[idx].re2); - sanei_genesys_write_register (dev, 0xf3, layouts[idx].re3); - sanei_genesys_write_register (dev, 0xf4, layouts[idx].re4); - sanei_genesys_write_register (dev, 0xf5, layouts[idx].re5); - sanei_genesys_write_register (dev, 0xf6, layouts[idx].re6); - sanei_genesys_write_register (dev, 0xf7, layouts[idx].re7); - - DBGCOMPLETED; - return status; -} - -/** - * initialize backend and ASIC : registers, motor tables, and gamma tables - * then ensure scanner's head is at home - */ -static SANE_Status -gl124_init(Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - - DBG_INIT (); - DBGSTART; - - status=sanei_genesys_asic_init(dev, 0); - - DBGCOMPLETED; - return status; -} - - -/* * - * initialize ASIC from power on condition - */ -static SANE_Status -gl124_boot (Genesys_Device * dev, SANE_Bool cold) -{ - SANE_Status status = SANE_STATUS_GOOD; - uint8_t val; - - DBGSTART; - - /* reset ASIC in case of cold boot */ - if(cold) - { - RIE (sanei_genesys_write_register (dev, 0x0e, 0x01)); - RIE (sanei_genesys_write_register (dev, 0x0e, 0x00)); - } - - /* enable GPOE 17 */ - RIE (sanei_genesys_write_register (dev, 0x36, 0x01)); - - /* set GPIO 17 */ - RIE (sanei_genesys_read_register (dev, 0x33, &val)); - val |= 0x01; - RIE (sanei_genesys_write_register (dev, 0x33, val)); - - /* test CHKVER */ - RIE (sanei_genesys_read_register (dev, REG100, &val)); - if (val & REG100_CHKVER) - { - RIE (sanei_genesys_read_register (dev, 0x00, &val)); - 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 */ - RIE (dev->model->cmd_set->bulk_write_register(dev, dev->reg)); - - /* tune reg 0B */ - val = REG0B_30MHZ | REG0B_ENBDRAM | REG0B_64M; - RIE (sanei_genesys_write_register (dev, REG0B, val)); - dev->reg.remove_reg(0x0b); - - /* set up end access */ - RIE (sanei_genesys_write_0x8c (dev, 0x10, 0x0b)); - RIE (sanei_genesys_write_0x8c (dev, 0x13, 0x0e)); - - /* CIS_LINE */ - SETREG (0x08, REG08_CIS_LINE); - RIE (sanei_genesys_write_register (dev, 0x08, dev->reg.find_reg(0x08).value)); - - /* setup gpio */ - RIE (gl124_init_gpio (dev)); - - /* setup internal memory layout */ - RIE (gl124_init_memory_layout (dev)); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -static SANE_Status -gl124_update_hardware_sensors (Genesys_Scanner * s) -{ - /* do what is needed to get a new set of events, but try to not loose - any of them. - */ - SANE_Status status = SANE_STATUS_GOOD; - uint8_t val=0; - - RIE (sanei_genesys_read_register (s->dev, REG31, &val)); - - /* 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->gpo_type == GPO_CANONLIDE110) - ||(s->dev->model->gpo_type == GPO_CANONLIDE120)) - { - 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); - } - return status; -} - - -/** the gl124 command set */ -static Genesys_Command_Set gl124_cmd_set = { - "gl124-generic", /* the name of this set */ - - [](Genesys_Device* dev) -> bool { (void) dev; return true; }, - - gl124_init, - gl124_init_regs_for_warmup, - gl124_init_regs_for_coarse_calibration, - gl124_init_regs_for_shading, - gl124_init_regs_for_scan, - - gl124_get_filter_bit, - gl124_get_lineart_bit, - gl124_get_bitset_bit, - gl124_get_gain4_bit, - gl124_get_fast_feed_bit, - gl124_test_buffer_empty_bit, - gl124_test_motor_flag_bit, - - gl124_set_fe, - gl124_set_powersaving, - gl124_save_power, - - gl124_begin_scan, - gl124_end_scan, - - sanei_genesys_send_gamma_table, - - gl124_search_start_position, - - gl124_offset_calibration, - gl124_coarse_gain_calibration, - gl124_led_calibration, - - gl124_wait_for_motor_stop, - gl124_slow_back_home, - gl124_rewind, - - sanei_genesys_bulk_write_register, - NULL, - sanei_genesys_bulk_read_data, - - gl124_update_hardware_sensors, - - /* no sheetfed support for now */ - NULL, - NULL, - NULL, - NULL, - - sanei_genesys_is_compatible_calibration, - NULL, - gl124_send_shading_data, - gl124_calculate_current_setup, - gl124_boot -}; - -SANE_Status -sanei_gl124_init_cmd_set (Genesys_Device * dev) -{ - dev->model->cmd_set = &gl124_cmd_set; - return SANE_STATUS_GOOD; -} |