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Diffstat (limited to 'backend/genesys_gl843.c')
| -rw-r--r-- | backend/genesys_gl843.c | 4477 |
1 files changed, 0 insertions, 4477 deletions
diff --git a/backend/genesys_gl843.c b/backend/genesys_gl843.c deleted file mode 100644 index b47fb7e..0000000 --- a/backend/genesys_gl843.c +++ /dev/null @@ -1,4477 +0,0 @@ -/* sane - Scanner Access Now Easy. - - Copyright (C) 2010-2013 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. -*/ - -#undef BACKEND_NAME -#define BACKEND_NAME genesys_gl843 - -#include "genesys_gl843.h" - -/**************************************************************************** - Low level function - ****************************************************************************/ - -/* ------------------------------------------------------------------------ */ -/* Read and write RAM, registers and AFE */ -/* ------------------------------------------------------------------------ */ - - -/** - * Write bulk data (e.g. gamma or shading data) */ -static SANE_Status -gl843_bulk_write_data (Genesys_Device * dev, uint8_t addr, - uint8_t * data, size_t len) -{ - SANE_Status status; - size_t size; - uint8_t outdata[8]; - - DBGSTART; - DBG (DBG_io, "gl843_bulk_write_data writing %lu bytes\n", (u_long) len); - - status = - sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER, - VALUE_SET_REGISTER, INDEX, 1, &addr); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_bulk_write_data failed while setting register: %s\n", - sane_strstatus (status)); - return status; - } - - while (len) - { - if(len>65472) - size=65472; - else - size = len; - - outdata[0] = BULK_OUT; - outdata[1] = BULK_RAM; - outdata[2] = 0x00; - outdata[3] = 0x00; - outdata[4] = (size & 0xff); - outdata[5] = ((size >> 8) & 0xff); - outdata[6] = ((size >> 16) & 0xff); - outdata[7] = ((size >> 24) & 0xff); - - status = - sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER, - VALUE_BUFFER, INDEX, sizeof (outdata), - outdata); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_bulk_write_data failed while writing command: %s\n", - sane_strstatus (status)); - return status; - } - - status = sanei_usb_write_bulk (dev->dn, data, &size); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_bulk_write_data failed while writing bulk data: %s\n", - sane_strstatus (status)); - return status; - } - - DBG (DBG_io2, - "gl843_bulk_write_data: wrote %lu bytes, %lu remaining\n", - (u_long) size, (u_long) (len - size)); - - len -= size; - data += size; - } - - DBGCOMPLETED; - return status; -} - -/* Set address for writing data */ -static SANE_Status -gl843_set_buffer_address (Genesys_Device * dev, uint32_t addr) -{ - SANE_Status status; - - DBG (DBG_io, "gl843_set_buffer_address: setting address to 0x%05x\n", - addr & 0xffff); - - status = sanei_genesys_write_register (dev, 0x5b, ((addr >> 8) & 0xff)); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_set_buffer_address: failed while writing high byte: %s\n", - sane_strstatus (status)); - return status; - } - - status = sanei_genesys_write_register (dev, 0x5c, (addr & 0xff)); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_set_buffer_address: failed while writing low byte: %s\n", - sane_strstatus (status)); - return status; - } - - DBG (DBG_io, "gl843_set_buffer_address: completed\n"); - - return status; -} - -/** - * writes a block of data to RAM - * @param dev USB device - * @param addr RAM address to write to - * @param size size of the chunk of data - * @param data pointer to the data to write - */ -static SANE_Status -write_data (Genesys_Device * dev, uint32_t addr, uint32_t size, - uint8_t * data) -{ - SANE_Status status = SANE_STATUS_GOOD; - - DBGSTART; - - status = gl843_set_buffer_address (dev, addr); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "write_data: failed while setting address for bulk write data: %s\n", - sane_strstatus (status)); - return status; - } - - /* write actual data */ - status = gl843_bulk_write_data (dev, 0x28, data, size); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "write_data: failed while writing bulk write data: %s\n", - sane_strstatus (status)); - return status; - } - - /* set back address to 0 */ - status = gl843_set_buffer_address (dev, 0); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "write_data: failed setting to default RAM address: %s\n", - sane_strstatus (status)); - return status; - } - DBGCOMPLETED; - return status; -} - - -static SANE_Status -gl843_bulk_read_data (Genesys_Device * dev, uint8_t addr, - uint8_t * data, size_t len) -{ - SANE_Status status; - size_t size; - uint8_t outdata[8]; - - DBGSTART; - DBG (DBG_io, - "gl843_bulk_read_data: requesting %lu bytes from 0x%02x addr\n", - (u_long) len, addr); - - status = - sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER, - VALUE_SET_REGISTER, 0, 1, &addr); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "write_data: failed to set register address %s\n", - sane_strstatus (status)); - return status; - } - - if (len == 0) - return SANE_STATUS_GOOD; - - outdata[0] = BULK_IN; - outdata[1] = BULK_RAM; - outdata[2] = VALUE_BUFFER; - outdata[3] = 0; - outdata[4] = (len & 0xff); - outdata[5] = ((len >> 8) & 0xff); - outdata[6] = ((len >> 16) & 0xff); - outdata[7] = ((len >> 24) & 0xff); - - status = - sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER, - VALUE_BUFFER, INDEX, sizeof (outdata), outdata); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_bulk_read_data failed while writing command: %s\n", - sane_strstatus (status)); - return status; - } - - while (len) - { - if (len > 0xF000) - size = 0xF000; - else - size = len; - if (size >= 512) - { - size /= 512; - size *= 512; - } - - DBG (DBG_io2, - "gl843_bulk_read_data: trying to read %lu bytes of data\n", - (u_long) size); - - status = sanei_usb_read_bulk (dev->dn, data, &size); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_bulk_read_data failed while reading bulk data: %s\n", - sane_strstatus (status)); - return status; - } - - DBG (DBG_io2, - "gl843_bulk_read_data read %lu bytes, %lu remaining\n", - (u_long) size, (u_long) (len - size)); - - len -= size; - data += size; - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/**************************************************************************** - Mid level functions - ****************************************************************************/ - -static SANE_Bool -gl843_get_fast_feed_bit (Genesys_Register_Set * regs) -{ - Genesys_Register_Set *r = NULL; - - r = sanei_genesys_get_address (regs, REG02); - if (r && (r->value & REG02_FASTFED)) - return SANE_TRUE; - return SANE_FALSE; -} - -static SANE_Bool -gl843_get_filter_bit (Genesys_Register_Set * regs) -{ - Genesys_Register_Set *r = NULL; - - r = sanei_genesys_get_address (regs, REG04); - if (r && (r->value & REG04_FILTER)) - return SANE_TRUE; - return SANE_FALSE; -} - -static SANE_Bool -gl843_get_lineart_bit (Genesys_Register_Set * regs) -{ - Genesys_Register_Set *r = NULL; - - r = sanei_genesys_get_address (regs, REG04); - if (r && (r->value & REG04_LINEART)) - return SANE_TRUE; - return SANE_FALSE; -} - -static SANE_Bool -gl843_get_bitset_bit (Genesys_Register_Set * regs) -{ - Genesys_Register_Set *r = NULL; - - r = sanei_genesys_get_address (regs, REG04); - if (r && (r->value & REG04_BITSET)) - return SANE_TRUE; - return SANE_FALSE; -} - -static SANE_Bool -gl843_get_gain4_bit (Genesys_Register_Set * regs) -{ - Genesys_Register_Set *r = NULL; - - r = sanei_genesys_get_address (regs, REG06); - if (r && (r->value & REG06_GAIN4)) - return SANE_TRUE; - return SANE_FALSE; -} - -/** - * compute the step multiplier used - */ -static int -gl843_get_step_multiplier (Genesys_Register_Set * regs) -{ - Genesys_Register_Set *r = NULL; - int value = 1; - - r = sanei_genesys_get_address (regs, REG9D); - if (r != NULL) - { - switch (r->value & 0x0c) - { - case 0x04: - value = 2; - break; - case 0x08: - value = 4; - break; - default: - value = 1; - } - } - DBG (DBG_io, "%s: step multiplier is %d\n", __func__, value); - return value; -} - -static SANE_Bool -gl843_test_buffer_empty_bit (SANE_Byte val) -{ - if (val & REG41_BUFEMPTY) - return SANE_TRUE; - return SANE_FALSE; -} - -static SANE_Bool -gl843_test_motor_flag_bit (SANE_Byte val) -{ - if (val & REG41_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 first entry of table by default. - * @param sensor_type sensor id - * @param dpi hardware dpi for the scan - * @param flags to select between XPA, XPA+IR or regular scan from OPTICAL_FLAGS_* - * @return a pointer to a Sensor_Profile struct - */ -static Sensor_Profile *get_sensor_profile(int sensor_type, int dpi, int flags) -{ - unsigned int i, count; - int idx; - Sensor_Profile *sp; - - if(flags & OPTICAL_FLAG_USE_XPA) - { - sp=xpa_sensors; - count=sizeof(xpa_sensors)/sizeof(Sensor_Profile); - } - else - { - sp=sensors; - count=sizeof(sensors)/sizeof(Sensor_Profile); - } - i=0; - idx=-1; - while(i<count) - { - /* exact match */ - if(sp[i].sensor_type==sensor_type && sp[i].dpi==dpi) - { - return &(sp[i]); - } - - /* closest match */ - if(sp[i].sensor_type==sensor_type) - { - if(idx<0) - { - idx=i; - } - else - { - if(sp[i].dpi>=dpi - && sp[i].dpi<sp[idx].dpi) - { - idx=i; - } - } - } - i++; - } - - /* default fallback */ - if(idx<0) - { - DBG (DBG_warn,"%s: using default sensor profile\n",__func__); - idx=0; - } - - return &(sp[idx]); -} - - -/** copy sensor specific settings */ -static void -gl843_setup_sensor (Genesys_Device * dev, Genesys_Register_Set * regs, int dpi,int flags) -{ - Genesys_Register_Set *r; - Sensor_Profile *sensor; - int i,dpihw; - - DBGSTART; - - dpihw=sanei_genesys_compute_dpihw(dev,dpi); - sensor=get_sensor_profile(dev->model->ccd_type, dpihw, flags); - - for (i = 0x06; i < 0x0e; i++) - { - r = sanei_genesys_get_address (regs, 0x10 + i); - if (r) - r->value = sensor->regs_0x10_0x1d[i]; - } - for (i = 0; i < 9; i++) - { - r = sanei_genesys_get_address (regs, 0x52 + i); - if (r) - r->value = sensor->regs_0x52_0x5e[i]; - } - - /* specific registers */ - r = sanei_genesys_get_address (regs, 0x0c); - if (r) - { - r->value = sensor->reg0c; - } - r = sanei_genesys_get_address (regs, 0x70); - if (r) - { - r->value = sensor->reg70; - } - r = sanei_genesys_get_address (regs, 0x71); - if (r) - { - r->value = sensor->reg71; - } - r = sanei_genesys_get_address (regs, 0x7d); - if (r) - { - if (!(dev->model->flags & GENESYS_FLAG_FULL_HWDPI_MODE)) - { - r->value = 0x90; - } - } - r = sanei_genesys_get_address (regs, 0x9e); - if (r) - { - r->value = sensor->reg9e; - } - /* undocumented register */ - r = sanei_genesys_get_address (regs, 0xaa); - if (r) - { - r->value = sensor->regaa; - } - - /* CKxMAP */ - sanei_genesys_set_triple(regs,REG_CK1MAP,sensor->ck1map); - sanei_genesys_set_triple(regs,REG_CK3MAP,sensor->ck3map); - sanei_genesys_set_triple(regs,REG_CK4MAP,sensor->ck4map); - - DBGCOMPLETED; -} - - -/* returns the max register bulk size */ -static int -gl843_bulk_full_size (void) -{ - return GENESYS_GL843_MAX_REGS; -} - -/** @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 -gl843_init_registers (Genesys_Device * dev) -{ - DBGSTART; - - memset (dev->reg, 0, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - /* default to KV-SS080 */ - SETREG (0xa2, 0x0f); - SETREG (0x01, 0x00); - SETREG (0x02, 0x78); - SETREG (0x03, 0x1f); - SETREG (0x04, 0x10); - SETREG (0x05, 0x80); - SETREG (0x06, 0xd8); /* SCANMOD=110, PWRBIT and GAIN4 */ - SETREG (0x08, 0x00); - SETREG (0x09, 0x00); - SETREG (0x0a, 0x00); - SETREG (0x0b, 0x6a); - SETREG (0x10, 0x00); - SETREG (0x11, 0x00); - SETREG (0x12, 0x00); - SETREG (0x13, 0x00); - SETREG (0x14, 0x00); - SETREG (0x15, 0x00); - SETREG (0x16, 0x33); - SETREG (0x17, 0x1c); - SETREG (0x18, 0x10); - SETREG (0x19, 0x2a); - SETREG (0x1a, 0x04); - SETREG (0x1b, 0x00); - SETREG (0x1c, 0x20); - SETREG (0x1d, 0x04); - SETREG (0x1e, 0x10); - SETREG (0x1f, 0x01); - SETREG (0x20, 0x10); - SETREG (0x21, 0x04); - SETREG (0x22, 0x01); - SETREG (0x23, 0x01); - SETREG (0x24, 0x04); - SETREG (0x25, 0x00); - SETREG (0x26, 0x00); - SETREG (0x27, 0x00); - SETREG (0x2c, 0x02); - SETREG (0x2d, 0x58); - SETREG (0x2e, 0x80); - SETREG (0x2f, 0x80); - SETREG (0x30, 0x00); - SETREG (0x31, 0x14); - SETREG (0x32, 0x27); - SETREG (0x33, 0xec); - SETREG (0x34, 0x24); - SETREG (0x35, 0x00); - SETREG (0x36, 0xff); - SETREG (0x37, 0xff); - SETREG (0x38, 0x55); - SETREG (0x39, 0xf0); - SETREG (0x3d, 0x00); - SETREG (0x3e, 0x00); - SETREG (0x3f, 0x01); - SETREG (0x52, 0x01); - SETREG (0x53, 0x04); - SETREG (0x54, 0x07); - SETREG (0x55, 0x0a); - SETREG (0x56, 0x0d); - SETREG (0x57, 0x10); - SETREG (0x58, 0x1b); - SETREG (0x59, 0x00); - SETREG (0x5a, 0x40); - SETREG (0x5e, 0x23); - SETREG (0x5f, 0x01); - SETREG (0x60, 0x00); - SETREG (0x61, 0x00); - SETREG (0x62, 0x00); - SETREG (0x63, 0x00); - SETREG (0x64, 0x00); - SETREG (0x65, 0x00); - SETREG (0x67, 0x7f); - SETREG (0x68, 0x7f); - SETREG (0x69, 0x01); - SETREG (0x6a, 0x04); - SETREG (0x6b, 0x30); - SETREG (0x70, 0x01); - SETREG (0x71, 0x03); - SETREG (0x72, 0x04); - SETREG (0x73, 0x05); - - /* 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 (0x7f, 0x00); - SETREG (0x80, 0x00); - if (strcmp (dev->model->name, "canon-canoscan-4400f") != 0) - { - SETREG (0x81, 0x00); - SETREG (0x82, 0x00); - SETREG (0x83, 0x00); - SETREG (0x84, 0x00); - SETREG (0x85, 0x00); - SETREG (0x86, 0x00); - } - SETREG (0x87, 0x00); - SETREG (0x9d, 0x04); - SETREG (0x9e, 0x00); - if (strcmp (dev->model->name, "canon-canoscan-8400f") != 0) - { - SETREG (0x0c, 0x00); - SETREG (0x94, 0xff); - SETREG (0xab, 0x50); - } - - /* so many time burnt for this register ....*/ - if (strcmp (dev->model->name, "canon-canoscan-4400f") != 0 - &&strcmp (dev->model->name, "canon-canoscan-8400f") != 0) - { - SETREG (0xaa, 0x00); - } - - /* G4050 values */ - if ((strcmp (dev->model->name, "hewlett-packard-scanjet-g4050") == 0) - || (strcmp (dev->model->name, "hewlett-packard-scanjet-4850c") == 0) - || (strcmp (dev->model->name, "hewlett-packard-scanjet-g4010") == 0)) - { - SETREG (0x03, 0x1d); - SETREG (0x05, 0x08); - SETREG (0x06, 0xd0); /* SCANMOD=110, PWRBIT and no GAIN4 */ - SETREG (0x06, 0xd8); /* SCANMOD=110, PWRBIT and GAIN4 */ - SETREG (0x0a, 0x18); - SETREG (0x0b, 0x69); - - /* CIS exposure is used for XPA lamp movement */ - SETREG (0x10, 0x2c); - SETREG (0x11, 0x09); - SETREG (0x12, 0x22); - SETREG (0x13, 0xb8); - SETREG (0x14, 0x10); - SETREG (0x15, 0xf0); - - SETREG (0x6b, 0xf4); - - SETREG (0x70, 0x00); - SETREG (0x71, 0x02); - SETREG (0x72, 0x00); - SETREG (0x73, 0x00); - - SETREG (0x80, 0x50); - SETREG (0x9d, 0x08); - SETREG (0xab, 0x40); - - /* XXX STEF XXX TODO move to set for scan */ - SETREG (0x98, 0x03); - SETREG (0x99, 0x30); - SETREG (0x9a, 0x01); - SETREG (0x9b, 0x80); - SETREG (0xac, 0x00); - } - - if (strcmp (dev->model->name, "canon-canoscan-4400f") == 0) - { - SETREG (0x06, 0xf0); /* SCANMOD=111, PWRBIT and no GAIN4 */ - SETREG (0x0b, 0x69); /* 16M only */ - SETREG (0x1e, 0x20); - SETREG (0x22, 0xc8); - SETREG (0x23, 0xc8); - SETREG (0x5e, 0x3f); - SETREG (0x5f, 0xf0); - SETREG (0x6b, 0x72); - SETREG (0x72, 0x01); - SETREG (0x73, 0x03); - SETREG (0x80, 0x0c); - SETREG (0x87, 0x02); /* MCLOCK -> CK4MAP */ - SETREG (0x9d, 0x08); /* STEPTIM=2 */ - SETREG (0xa2, 0x1f); - SETREG (0xab, 0x00); - sanei_genesys_set_double(dev->reg,REG_EXPR,0x9c40); - sanei_genesys_set_double(dev->reg,REG_EXPG,0x9c40); - sanei_genesys_set_double(dev->reg,REG_EXPB,0x9c40); - } - - if (strcmp (dev->model->name, "canon-canoscan-8400f") == 0) - { - SETREG (0x03, 0x1c); - SETREG (0x06, 0xd0); /* SCANMOD=110, PWRBIT and no GAIN4 */ - SETREG (0x0a, 0x10); - SETREG (0x22, 0x50); - SETREG (0x23, 0x50); - SETREG (0x5e, 0x85); - SETREG (0x6b, 0xb1); - SETREG (0x1e, 0xa0); - SETREG (0x72, 0x03); - SETREG (0x73, 0x04); - SETREG (0x7d, 0x20); - SETREG (0x80, 0x28); - SETREG (0x87, 0x02); /* MCLOCK -> CK4MAP */ - SETREG (0x9d, 0x08); /* STEPTIM=2 */ - } - - /* fine tune upon device description */ - dev->reg[reg_0x05].value &= ~REG05_DPIHW; - switch (dev->sensor.optical_res) - { - case 600: - dev->reg[reg_0x05].value |= REG05_DPIHW_600; - break; - case 1200: - dev->reg[reg_0x05].value |= REG05_DPIHW_1200; - break; - case 2400: - dev->reg[reg_0x05].value |= REG05_DPIHW_2400; - break; - case 4800: - dev->reg[reg_0x05].value |= REG05_DPIHW_4800; - break; - } - - /* initalize calibration reg */ - memcpy (dev->calib_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - DBGCOMPLETED; -} - -/* Send slope table for motor movement - slope_table in machine byte order - */ -#ifndef UNIT_TESTING -static -#endif - SANE_Status -gl843_send_slope_table (Genesys_Device * dev, int table_nr, - uint16_t * slope_table, int steps) -{ - SANE_Status status; - uint8_t *table; - int i; - char msg[10000]; - - DBG (DBG_proc, "%s (table_nr = %d, steps = %d)\n", __func__, - table_nr, steps); - - table = (uint8_t *) malloc (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 : 0x4000, 0x4800, 0x5000, 0x5800, 0x6000 */ - /* XXX STEF XXX USB 1.1 ? sanei_genesys_write_0x8c (dev, 0x0f, 0x14); */ - status = write_data (dev, 0x4000 + 0x800 * table_nr, steps * 2, table); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "%s: write data failed writing slope table %d (%s)\n", - __func__, table_nr, sane_strstatus (status)); - } - - free (table); - DBGCOMPLETED; - return status; -} - - -/* Set values of analog frontend */ -static SANE_Status -gl843_set_fe (Genesys_Device * dev, uint8_t set) -{ - SANE_Status status; - uint8_t val; - int i; - - DBG (DBG_proc, "gl843_set_fe (%s)\n", - set == AFE_INIT ? "init" : set == AFE_SET ? "set" : set == - AFE_POWER_SAVE ? "powersave" : "huh?"); - - if (set == AFE_INIT) - { - DBG (DBG_proc, "gl843_set_fe(): setting DAC %u\n", - dev->model->dac_type); - sanei_genesys_init_fe (dev); - } - - /* check analog frontend type */ - RIE (sanei_genesys_read_register (dev, REG04, &val)); - if ((val & REG04_FESET) != 0x00) - { - /* for now there is no support for AD fe */ - DBG (DBG_proc, "gl843_set_fe(): unsupported frontend type %d\n", - dev->reg[reg_0x04].value & REG04_FESET); - return SANE_STATUS_UNSUPPORTED; - } - - DBG (DBG_proc, "gl843_set_fe(): frontend reset complete\n"); - - for (i = 1; i <= 3; i++) - { - status = sanei_genesys_fe_write_data (dev, i, dev->frontend.reg[i]); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_set_fe: writing reg[%d] failed: %s\n", i, - sane_strstatus (status)); - return status; - } - } - - for (i = 0; i < 3; i++) - { - status = - sanei_genesys_fe_write_data (dev, 0x20 + i, dev->frontend.offset[i]); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_set_fe: writing offset[%d] failed: %s\n", i, - sane_strstatus (status)); - return status; - } - } - - if (dev->model->ccd_type == CCD_KVSS080) - { - for (i = 0; i < 3; i++) - { - status = - sanei_genesys_fe_write_data (dev, 0x24 + i, - dev->frontend.sign[i]); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_set_fe: writing sign[%d] failed: %s\n", i, - sane_strstatus (status)); - return status; - } - } - } - - for (i = 0; i < 3; i++) - { - status = - sanei_genesys_fe_write_data (dev, 0x28 + i, dev->frontend.gain[i]); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_set_fe: writing gain[%d] failed: %s\n", i, - sane_strstatus (status)); - return status; - } - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -static SANE_Status -gl843_init_motor_regs_scan (Genesys_Device * dev, - Genesys_Register_Set * reg, - unsigned int exposure, - float scan_yres, - int scan_step_type, - unsigned int scan_lines, - unsigned int scan_dummy, - unsigned int feed_steps, - int scan_power_mode, - unsigned int flags) -{ - SANE_Status status; - int use_fast_fed, coeff; - unsigned int lincnt; - uint16_t scan_table[1024]; - uint16_t fast_table[1024]; - int scan_steps,fast_steps, fast_step_type; - unsigned int feedl,factor,dist; - Genesys_Register_Set *r; - uint32_t z1, z2; - - DBGSTART; - DBG (DBG_info, "gl843_init_motor_regs_scan : exposure=%d, " - "scan_yres=%g, scan_step_type=%d, scan_lines=%d, scan_dummy=%d, " - "feed_steps=%d, scan_power_mode=%d, flags=%x\n", - exposure, scan_yres, scan_step_type, - scan_lines, scan_dummy, feed_steps, scan_power_mode, flags); - - /* get step multiplier */ - factor = gl843_get_step_multiplier (reg); - - use_fast_fed = 0; - - if((scan_yres>=300 && feed_steps>900) || (flags & MOTOR_FLAG_FEED)) - use_fast_fed=1; - - lincnt=scan_lines; - sanei_genesys_set_triple(reg,REG_LINCNT,lincnt); - DBG (DBG_io, "%s: lincnt=%d\n", __func__, lincnt); - - /* compute register 02 value */ - r = sanei_genesys_get_address (reg, REG02); - r->value = 0x00; - r->value |= REG02_MTRPWR; - - if (use_fast_fed) - r->value |= REG02_FASTFED; - else - r->value &= ~REG02_FASTFED; - - /* in case of automatic go home, move until home sensor */ - if (flags & MOTOR_FLAG_AUTO_GO_HOME) - r->value |= REG02_AGOHOME | REG02_NOTHOME; - - /* disable backtracking */ - if ((flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE) - ||(scan_yres>=2400) - ||(scan_yres>=dev->sensor.optical_res)) - r->value |= REG02_ACDCDIS; - - /* scan and backtracking slope table */ - sanei_genesys_slope_table(scan_table, - &scan_steps, - scan_yres, - exposure, - dev->motor.base_ydpi, - scan_step_type, - factor, - dev->model->motor_type, - gl843_motors); - RIE(gl843_send_slope_table (dev, SCAN_TABLE, scan_table, scan_steps*factor)); - RIE(gl843_send_slope_table (dev, BACKTRACK_TABLE, scan_table, scan_steps*factor)); - - /* STEPNO */ - r = sanei_genesys_get_address (reg, REG_STEPNO); - r->value = scan_steps; - - /* FSHDEC */ - r = sanei_genesys_get_address (reg, REG_FSHDEC); - r->value = scan_steps; - - /* fast table */ - fast_step_type=0; - if(scan_step_type<=fast_step_type) - { - fast_step_type=scan_step_type; - } - sanei_genesys_slope_table(fast_table, - &fast_steps, - sanei_genesys_get_lowest_ydpi(dev), - exposure, - dev->motor.base_ydpi, - fast_step_type, - factor, - dev->model->motor_type, - gl843_motors); - RIE(gl843_send_slope_table (dev, STOP_TABLE, fast_table, fast_steps*factor)); - RIE(gl843_send_slope_table (dev, FAST_TABLE, fast_table, fast_steps*factor)); - RIE(gl843_send_slope_table (dev, HOME_TABLE, fast_table, fast_steps*factor)); - - /* FASTNO */ - r = sanei_genesys_get_address (reg, REG_FASTNO); - r->value = fast_steps; - - /* FMOVNO */ - r = sanei_genesys_get_address (reg, REG_FMOVNO); - r->value = fast_steps; - - /* substract acceleration distance from feedl */ - feedl=feed_steps; - feedl<<=scan_step_type; - - dist = scan_steps; - if (use_fast_fed) - { - dist += fast_steps*2; - } - DBG (DBG_io2, "%s: acceleration distance=%d\n", __func__, dist); - - /* get sure when don't insane value : XXX STEF XXX in this case we should - * fall back to single table move */ - if(dist<feedl) - feedl -= dist; - else - feedl = 1; - - 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, - exposure, - scan_table, - scan_steps, - feedl, - scan_steps, - &z1, - &z2); - if(scan_yres>600) - { - z1=0; - z2=0; - } - - sanei_genesys_set_triple(reg,REG_Z1MOD,z1); - DBG (DBG_info, "gl843_init_motor_regs_scan: z1 = %d\n", z1); - - sanei_genesys_set_triple(reg,REG_Z2MOD,z2); - DBG (DBG_info, "gl843_init_motor_regs_scan: z2 = %d\n", z2); - - r = sanei_genesys_get_address (reg, REG1E); - r->value &= 0xf0; /* 0 dummy lines */ - r->value |= scan_dummy; /* dummy lines */ - - r = sanei_genesys_get_address (reg, REG67); - r->value = 0x3f | (scan_step_type << REG67S_STEPSEL); - - r = sanei_genesys_get_address (reg, REG68); - r->value = 0x3f | (scan_step_type << REG68S_FSTPSEL); - - /* steps for STOP table */ - r = sanei_genesys_get_address (reg, REG_FMOVDEC); - r->value = fast_steps; - - /* Vref XXX STEF XXX : optical divider or step type ? */ - r = sanei_genesys_get_address (reg, 0x80); - if (!(dev->model->flags & GENESYS_FLAG_FULL_HWDPI_MODE)) - { - r->value = 0x50; - coeff=dev->sensor.optical_res/sanei_genesys_compute_dpihw(dev, scan_yres); - if (dev->model->motor_type == MOTOR_KVSS080) - { - if(coeff>=1) - { - r->value |= 0x05; - } - } - else { - switch(coeff) - { - case 4: - r->value |= 0x0a; - break; - case 2: - r->value |= 0x0f; - break; - case 1: - r->value |= 0x0f; - break; - } - } - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -/**@brief compute exposure to use - * compute the sensor exposure based on target resolution - */ -static int gl843_compute_exposure(Genesys_Device *dev, int xres, int flags) -{ - Sensor_Profile *sensor; - - sensor=get_sensor_profile(dev->model->ccd_type, xres, flags); - return sensor->exposure; -} - -/** @brief setup optical related registers - * start and pixels are expressed in optical sensor resolution coordinate - * space. - * @param dev device to use - * @param reg registers to set up - * @param exposure 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 channles used (1 or 3) - * @param depth bit depth of the scan (1, 8 or 16 bits) - * @param half_ccd SANE_TRUE if timings are such that x coordiantes must be halved - * @param color_filter to choose the color channel used in gray scans - * @param flags to drive specific settings such no calibration, XPA use ... - * @return SANE_STATUS_GOOD if OK - */ -static SANE_Status -gl843_init_optical_regs_scan (Genesys_Device * dev, - Genesys_Register_Set * reg, - unsigned int exposure, - int used_res, - unsigned int start, - unsigned int pixels, - int channels, - int depth, - SANE_Bool half_ccd, - int color_filter, - int flags) -{ - unsigned int words_per_line; - unsigned int startx, endx, used_pixels; - unsigned int dpiset, dpihw, factor; - unsigned int bytes; - unsigned int tgtime; /**> exposure time multiplier */ - unsigned int cksel; /**> clock per system pixel time in capturing image */ - Genesys_Register_Set *r; - SANE_Status status; - - DBG (DBG_proc, "gl843_init_optical_regs_scan : exposure=%d, " - "used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, " - "half_ccd=%d, flags=%x\n", - exposure, - used_res, start, pixels, channels, depth, half_ccd, flags); - - /* tgtime */ - tgtime=1; - if (dev->model->ccd_type == CCD_G4050 && used_res>2400) - { - tgtime=2; - } - DBG (DBG_io2, "%s: tgtime=%d\n", __func__, tgtime); - - /* to manage high resolution device while keeping good - * low resolution scanning speed, we make hardware dpi vary */ - dpihw=sanei_genesys_compute_dpihw(dev, used_res); - factor=dev->sensor.optical_res/dpihw; - DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor); - - /* sensor parameters */ - gl843_setup_sensor (dev, reg, dpihw, flags); - - /* resolution is divided according to CKSEL which is known once sensor is set up */ - r = sanei_genesys_get_address (reg, REG18); - cksel= (r->value & REG18_CKSEL)+1; - DBG (DBG_io2, "%s: cksel=%d\n", __func__, cksel); - dpiset = used_res * cksel; - - /* start and end coordinate in optical dpi coordinates */ - startx = (start + dev->sensor.dummy_pixel * tgtime)/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; - - /* in case of stagger we have to start at an odd coordinate */ - if ((flags & OPTICAL_FLAG_STAGGER) - &&((startx & 1)==0)) - { - startx++; - endx++; - } - - status = gl843_set_fe (dev, 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; - } - if(dpihw>600) - { - r->value |= REG01_SHDAREA; - } - else - { - r->value &= ~REG01_SHDAREA; - } - - r = sanei_genesys_get_address (reg, REG03); - r->value &= ~REG03_AVEENB; - if (flags & OPTICAL_FLAG_DISABLE_LAMP) - r->value &= ~REG03_LAMPPWR; - else - r->value |= REG03_LAMPPWR; - - /* select XPA */ - r->value &= ~REG03_XPASEL; - if (flags & OPTICAL_FLAG_USE_XPA) - { - r->value |= REG03_XPASEL; - } - - /* BW threshold */ - r = sanei_genesys_get_address (reg, REG2E); - r->value = dev->settings.threshold; - r = sanei_genesys_get_address (reg, REG2F); - r->value = 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 | REG04_AFEMOD); - if (channels == 1) - { - switch (color_filter) - { - case 0: - r->value |= 0x14; /* red filter */ - break; - case 2: - r->value |= 0x1c; /* blue filter */ - break; - default: - r->value |= 0x18; /* green filter */ - break; - } - } - else - r->value |= 0x10; /* mono */ - - /* 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*4); - DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset*4); - } - else - { - sanei_genesys_set_double(reg,REG_DPISET,dpiset); - DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset); - } - - sanei_genesys_set_double(reg,REG_STRPIXEL,startx/tgtime); - sanei_genesys_set_double(reg,REG_ENDPIXEL,endx/tgtime); - - /* 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->wpl = words_per_line; - dev->bpl = words_per_line; - - 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); - - words_per_line *= channels; - - /* MAXWD is expressed in 2 words unit */ - /* nousedspace = (mem_bank_range * 1024 / 256 -1 ) * 4; */ - sanei_genesys_set_triple(reg,REG_MAXWD,(words_per_line)>>1); - DBG (DBG_io2, "%s: words_per_line used=%d\n", __func__, words_per_line); - - sanei_genesys_set_double(reg,REG_LPERIOD,exposure/tgtime); - DBG (DBG_io2, "%s: exposure used=%d\n", __func__, exposure/tgtime); - - r = sanei_genesys_get_address (reg, REG_DUMMY); - r->value = dev->sensor.dummy_pixel * tgtime; - - 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 - */ -#ifndef UNIT_TESTING -static -#endif - SANE_Status -gl843_init_scan_regs (Genesys_Device * dev, - Genesys_Register_Set * reg, - float xres, /*dpi */ - float yres, /*dpi */ - float startx, /*optical_res, from dummy_pixel+1 */ - float starty, /*base_ydpi, from home! */ - float pixels, - float lines, - unsigned int depth, - unsigned int channels, - int scan_mode, - int color_filter, - unsigned int flags) -{ - int used_res; - int start, used_pixels; - int bytes_per_line; - int move; - unsigned int lincnt; /**> line count to scan */ - unsigned int oflags, mflags; /**> optical and motor flags */ - int exposure; - int stagger; - - int slope_dpi = 0; - int dummy = 0; - int scan_step_type = 1; - int scan_power_mode = 0; - 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 */ - int optical_res; - SANE_Status status; - - DBG (DBG_info, - "gl843_init_scan_regs settings:\n" - "Resolution : %gDPI/%gDPI\n" - "Lines : %g\n" - "PPL : %g\n" - "Startpos : %g/%g\n" - "Depth/Channels: %u/%u\n" - "Flags : %x\n\n", - xres, yres, lines, pixels, startx, starty, depth, channels, flags); - - - /* we have 2 domains for ccd: xres below or above half ccd max dpi */ - if (dev->sensor.optical_res < 4 * xres || - !(dev->model->flags & GENESYS_FLAG_HALF_CCD_MODE)) - { - half_ccd = SANE_FALSE; - } - else - { - half_ccd = SANE_TRUE; - } - - /* optical_res */ - optical_res = dev->sensor.optical_res; - if (half_ccd) - optical_res /= 4; - - /* stagger starting at 2400, and not applied for calibration */ - stagger = 0; - if ( (yres>1200) - && ((flags & SCAN_FLAG_IGNORE_LINE_DISTANCE)==0) - && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE)) - { - stagger = (4 * yres) / dev->motor.base_ydpi; - } - DBG (DBG_info, "%s : stagger=%d lines\n", __func__, stagger); - - /* we enable true gray for cis scanners only, and just when doing - * scan since color calibration is OK for this mode - */ - oflags = 0; - if (flags & SCAN_FLAG_DISABLE_SHADING) - oflags |= OPTICAL_FLAG_DISABLE_SHADING; - if (flags & SCAN_FLAG_DISABLE_GAMMA) - oflags |= OPTICAL_FLAG_DISABLE_GAMMA; - if (flags & SCAN_FLAG_DISABLE_LAMP) - oflags |= OPTICAL_FLAG_DISABLE_LAMP; - if (flags & SCAN_FLAG_CALIBRATION) - oflags |= OPTICAL_FLAG_DISABLE_DOUBLE; - if(stagger) - oflags |= OPTICAL_FLAG_STAGGER; - if (flags & SCAN_FLAG_USE_XPA) - oflags |= OPTICAL_FLAG_USE_XPA; - - /** @brief compute used resolution */ - if (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(xres>optical_res) - used_res=optical_res; - else - used_res = xres; - } - - /* compute scan parameters values */ - /* pixels are allways given at full optical resolution */ - /* use detected left margin and fixed value */ - /* start */ - start = startx; - - /* compute correct pixels number */ - used_pixels = (pixels * optical_res) / xres; - DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels); - - /* round up pixels number if needed */ - if (used_pixels * xres < pixels * optical_res) - used_pixels++; - - /* we want even number of pixels here */ - if(used_pixels & 1) - used_pixels++; - - dummy = 0; - /* dummy = 1; XXX STEF XXX */ - - /* 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 = yres * channels; - else - slope_dpi = yres; - slope_dpi = slope_dpi * (1 + dummy); - - /* scan_step_type */ - if(flags & SCAN_FLAG_FEEDING) - { - exposure=gl843_compute_exposure (dev, sanei_genesys_get_lowest_ydpi(dev), oflags); - scan_step_type=sanei_genesys_compute_step_type (gl843_motors, dev->model->motor_type, exposure); - } - else - { - exposure = gl843_compute_exposure (dev, used_res, oflags); - scan_step_type = sanei_genesys_compute_step_type(gl843_motors, dev->model->motor_type, exposure); - } - - DBG (DBG_info, "%s : exposure=%d pixels\n", __func__, exposure); - 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 ((flags & SCAN_FLAG_DYNAMIC_LINEART) && (scan_mode == SCAN_MODE_LINEART)) - { - depth = 8; - } - /* no 16 bit gamma for this ASIC */ - if (depth == 16) - { - flags |= SCAN_FLAG_DISABLE_GAMMA; - oflags |= OPTICAL_FLAG_DISABLE_GAMMA; - } - - /* now _LOGICAL_ optical values used are known, setup registers */ - status = gl843_init_optical_regs_scan (dev, - reg, - exposure, - used_res, - start, - used_pixels, - channels, - depth, - half_ccd, - color_filter, - oflags); - if (status != SANE_STATUS_GOOD) - return status; - - /*** motor parameters ***/ - - /* it seems base_dpi of the G4050 motor is changed above 600 dpi*/ - if (dev->model->motor_type == MOTOR_G4050 && yres>600) - { - dev->ld_shift_r = (dev->model->ld_shift_r*3800)/dev->motor.base_ydpi; - dev->ld_shift_g = (dev->model->ld_shift_g*3800)/dev->motor.base_ydpi; - dev->ld_shift_b = (dev->model->ld_shift_b*3800)/dev->motor.base_ydpi; - } - else - { - dev->ld_shift_r = dev->model->ld_shift_r; - dev->ld_shift_g = dev->model->ld_shift_g; - dev->ld_shift_b = dev->model->ld_shift_b; - } - - /* max_shift */ - /* scanned area must be enlarged by max color shift needed */ - max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,flags); - - /* lines to scan */ - lincnt = lines + max_shift + stagger; - - /* add tl_y to base movement */ - move = starty; - DBG (DBG_info, "gl843_init_scan_regs: move=%d steps\n", move); - - - mflags=0; - if(flags & SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE) - mflags|=MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE; - if(flags & SCAN_FLAG_FEEDING) - mflags|=MOTOR_FLAG_FEED; - if (flags & SCAN_FLAG_USE_XPA) - mflags |= MOTOR_FLAG_USE_XPA; - - status = gl843_init_motor_regs_scan (dev, - reg, - exposure, - slope_dpi, - scan_step_type, - dev->model->is_cis ? lincnt * channels : lincnt, - dummy, - move, - scan_power_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 * channels * 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 * channels * depth) / 8; - - RIE (sanei_genesys_buffer_free (&(dev->read_buffer))); - RIE (sanei_genesys_buffer_alloc (&(dev->read_buffer), read_buffer_size)); - - RIE (sanei_genesys_buffer_free (&(dev->lines_buffer))); - RIE (sanei_genesys_buffer_alloc (&(dev->lines_buffer), read_buffer_size)); - - RIE (sanei_genesys_buffer_free (&(dev->shrink_buffer))); - RIE (sanei_genesys_buffer_alloc (&(dev->shrink_buffer), - requested_buffer_size)); - - RIE (sanei_genesys_buffer_free (&(dev->out_buffer))); - RIE (sanei_genesys_buffer_alloc (&(dev->out_buffer), - (8 * dev->settings.pixels * channels * - depth) / 8)); - - - dev->read_bytes_left = bytes_per_line * lincnt; - - DBG (DBG_info, - "gl843_init_scan_regs: physical bytes to read = %lu\n", - (u_long) dev->read_bytes_left); - dev->read_active = SANE_TRUE; - - - 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 = depth; - dev->current_setup.channels = channels; - dev->current_setup.exposure_time = exposure; - dev->current_setup.xres = used_res; - dev->current_setup.yres = yres; - dev->current_setup.half_ccd = half_ccd; - dev->current_setup.stagger = stagger; - dev->current_setup.max_shift = max_shift + stagger; - - dev->total_bytes_read = 0; - if (depth == 1) - dev->total_bytes_to_read = - ((dev->settings.pixels * dev->settings.lines) / 8 + - (((dev->settings.pixels * dev->settings.lines) % 8) ? 1 : 0)) * - channels; - else - dev->total_bytes_to_read = - dev->settings.pixels * dev->settings.lines * channels * (depth / 8); - - DBG (DBG_info, "gl843_init_scan_regs: total bytes to send = %lu\n", - (u_long) dev->total_bytes_to_read); - - DBG (DBG_proc, "gl843_init_scan_regs: completed\n"); - return SANE_STATUS_GOOD; -} - -static SANE_Status -gl843_calculate_current_setup (Genesys_Device * dev) -{ - int channels; - int depth; - int start; - - float xres; /*dpi */ - float yres; /*dpi */ - float startx; /*optical_res, from dummy_pixel+1 */ - float pixels; - float lines; - - int used_res; - int used_pixels; - unsigned int lincnt; - int exposure; - int stagger; - - int max_shift; - - SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */ - int optical_res; - int oflags; - - DBG (DBG_info, - "gl843_calculate_current_setup settings:\n" - "Resolution: %ux%uDPI\n" - "Lines : %u\n" - "PPL : %u\n" - "Startpos : %.3f/%.3f\n" - "Scan mode : %d\n\n", - dev->settings.xres, - dev->settings.yres, dev->settings.lines, dev->settings.pixels, - dev->settings.tl_x, dev->settings.tl_y, dev->settings.scan_mode); - - /* channels */ - if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */ - channels = 3; - else - channels = 1; - - /* depth */ - depth = dev->settings.depth; - if (dev->settings.scan_mode == SCAN_MODE_LINEART) - depth = 1; - - /* start */ - start = SANE_UNFIX (dev->model->x_offset); - start += dev->settings.tl_x; - start = (start * dev->sensor.optical_res) / MM_PER_INCH; - - /* optical flags */ - oflags=0; - if(dev->settings.scan_method==SCAN_METHOD_TRANSPARENCY) - { - oflags=OPTICAL_FLAG_USE_XPA; - } - - xres = dev->settings.xres; - yres = dev->settings.yres; - startx = start; - pixels = dev->settings.pixels; - lines = dev->settings.lines; - - DBG (DBG_info, - "gl843_calculate_current_setup settings:\n" - "Resolution : %gDPI/%gDPI\n" - "Lines : %g\n" - "PPL : %g\n" - "Startpos : %g\n" - "Depth/Channels: %u/%u\n\n", - xres, yres, lines, pixels, startx, depth, channels); - -/* half_ccd */ - /* we have 2 domains for ccd: xres below or above half ccd max dpi */ - if ((dev->sensor.optical_res < 4 * xres) || - !(dev->model->flags & GENESYS_FLAG_HALF_CCD_MODE)) - { - half_ccd = SANE_FALSE; - } - else - { - half_ccd = SANE_TRUE; - } - - - /* optical_res */ - optical_res = dev->sensor.optical_res; - if (half_ccd) - optical_res /= 4; - - /* stagger */ - if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE)) - stagger = (4 * yres) / dev->motor.base_ydpi; - else - stagger = 0; - DBG (DBG_info, "%s: stagger=%d lines\n", __func__, stagger); - - if(xres<=optical_res) - used_res = 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 = (pixels * optical_res) / xres; - DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels); - - /* exposure */ - exposure = gl843_compute_exposure (dev, used_res, oflags); - DBG (DBG_info, "%s : exposure=%d pixels\n", __func__, exposure); - - /* it seems base_dpi of the G4050 motor is changed above 600 dpi*/ - if (dev->model->motor_type == MOTOR_G4050 && yres>600) - { - dev->ld_shift_r = (dev->model->ld_shift_r*3800)/dev->motor.base_ydpi; - dev->ld_shift_g = (dev->model->ld_shift_g*3800)/dev->motor.base_ydpi; - dev->ld_shift_b = (dev->model->ld_shift_b*3800)/dev->motor.base_ydpi; - } - else - { - dev->ld_shift_r = dev->model->ld_shift_r; - dev->ld_shift_g = dev->model->ld_shift_g; - dev->ld_shift_b = dev->model->ld_shift_b; - } - - /* scanned area must be enlarged by max color shift needed */ - max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,0); - - /* lincnt */ - lincnt = lines + max_shift + stagger; - - 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 = depth; - dev->current_setup.channels = channels; - dev->current_setup.exposure_time = exposure; - dev->current_setup.xres = used_res; - dev->current_setup.yres = yres; - dev->current_setup.half_ccd = half_ccd; - dev->current_setup.stagger = stagger; - dev->current_setup.max_shift = max_shift + stagger; - - DBG (DBG_proc, "gl843_calculate_current_setup: completed\n"); - return SANE_STATUS_GOOD; -} - -static void -gl843_set_motor_power (Genesys_Register_Set * regs, SANE_Bool set) -{ - - DBG (DBG_proc, "gl843_set_motor_power\n"); - - if (set) - { - sanei_genesys_set_reg_from_set (regs, REG02, - sanei_genesys_read_reg_from_set (regs, - REG02) - | REG02_MTRPWR); - } - else - { - sanei_genesys_set_reg_from_set (regs, REG02, - sanei_genesys_read_reg_from_set (regs, - REG02) - & ~REG02_MTRPWR); - } -} - -static void -gl843_set_lamp_power (Genesys_Device * dev, - Genesys_Register_Set * regs, SANE_Bool set) -{ - Genesys_Register_Set *r; - int i; - uint8_t val; - - val = sanei_genesys_read_reg_from_set (regs, REG03); - if (set) - { - val |= REG03_LAMPPWR; - sanei_genesys_set_reg_from_set (regs, REG03, val); - for (i = 0; i < 6; i++) - { - r = sanei_genesys_get_address (regs, 0x10 + i); - r->value = dev->sensor.regs_0x10_0x1d[i]; - } - } - else - { - val &= ~REG03_LAMPPWR; - sanei_genesys_set_reg_from_set (regs, REG03, val); - for (i = 0; i < 6; i++) - { - r = sanei_genesys_get_address (regs, 0x10 + i); - r->value = 0x00; - } - } -} - -/** - * 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 -gl843_save_power (Genesys_Device * dev, SANE_Bool enable) -{ - uint8_t val; - SANE_Status status; - - DBG (DBG_proc, "gl843_save_power: enable = %d\n", enable); - if (dev == NULL) - return SANE_STATUS_INVAL; - - /* switch KV-SS080 lamp off */ - if (dev->model->gpo_type == GPO_KVSS080) - { - RIE(sanei_genesys_read_register (dev, REG6C, &val)); - if(enable) - val &= 0xef; - else - val |= 0x10; - RIE(sanei_genesys_write_register(dev,REG6C,val)); - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -static SANE_Status -gl843_set_powersaving (Genesys_Device * dev, int delay /* in minutes */ ) -{ - SANE_Status status = SANE_STATUS_GOOD; - - DBG (DBG_proc, "gl843_set_powersaving (delay = %d)\n", delay); - if (dev == NULL) - return SANE_STATUS_INVAL; - - DBGCOMPLETED; - return status; -} - -#ifndef UNIT_TESTING -static -#endif - SANE_Status -gl843_start_action (Genesys_Device * dev) -{ - return sanei_genesys_write_register (dev, 0x0f, 0x01); -} - -static SANE_Status -gl843_stop_action (Genesys_Device * dev) -{ - SANE_Status status; - uint8_t val40, val; - unsigned int loop; - - DBG (DBG_proc, "%s\n", __func__); - - status = sanei_genesys_get_status (dev, &val); - if (DBG_LEVEL >= DBG_io) - { - sanei_genesys_print_status (val); - } - - val40 = 0; - status = sanei_genesys_read_register (dev, REG40, &val40); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "%s: failed to read home sensor: %s\n", __func__, - sane_strstatus (status)); - DBG (DBG_proc, "%s: completed\n", __func__); - return status; - } - - /* only stop action if needed */ - if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG)) - { - DBG (DBG_info, "%s: already stopped\n", __func__); - DBG (DBG_proc, "%s: completed\n", __func__); - return SANE_STATUS_GOOD; - } - - /* ends scan 646 */ - val = sanei_genesys_read_reg_from_set (dev->reg, REG01); - val &= ~REG01_SCAN; - sanei_genesys_set_reg_from_set (dev->reg, 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; - } - usleep (100 * 1000); - - loop = 10; - while (loop > 0) - { - status = sanei_genesys_get_status (dev, &val); - if (DBG_LEVEL >= DBG_io) - { - sanei_genesys_print_status (val); - } - val40 = 0; - status = sanei_genesys_read_register (dev, 0x40, &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 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG) - && !(val & REG41_MOTORENB)) - { - DBGCOMPLETED; - return SANE_STATUS_GOOD; - } - - usleep (100 * 1000); - loop--; - } - - DBGCOMPLETED; - return SANE_STATUS_IO_ERROR; -} - -static SANE_Status -gl843_get_paper_sensor (Genesys_Device * dev, SANE_Bool * paper_loaded) -{ - SANE_Status status; - uint8_t val; - - status = sanei_genesys_read_register (dev, REG6D, &val); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_get_paper_sensor: failed to read gpio: %s\n", - sane_strstatus (status)); - return status; - } - *paper_loaded = (val & 0x1) == 0; - return SANE_STATUS_GOOD; - - return SANE_STATUS_INVAL; -} - -static SANE_Status -gl843_eject_document (Genesys_Device * dev) -{ - DBG (DBG_proc, "%s: not implemented \n", __func__); - if (dev == NULL) - return SANE_STATUS_INVAL; - return SANE_STATUS_GOOD; -} - - -static SANE_Status -gl843_load_document (Genesys_Device * dev) -{ - DBG (DBG_proc, "%s: not implemented \n", __func__); - if (dev == NULL) - return SANE_STATUS_INVAL; - return SANE_STATUS_GOOD; -} - -/** - * detects end of document and adjust current scan - * to take it into account - * used by sheetfed scanners - */ -static SANE_Status -gl843_detect_document_end (Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - SANE_Bool paper_loaded; - unsigned int scancnt = 0; - int flines, channels, depth, bytes_remain, sublines, - bytes_to_flush, lines, sub_bytes, tmp, read_bytes_left; - DBG (DBG_proc, "%s: begin\n", __func__); - - RIE (gl843_get_paper_sensor (dev, &paper_loaded)); - - /* sheetfed scanner uses home sensor as paper present */ - if ((dev->document == SANE_TRUE) && !paper_loaded) - { - DBG (DBG_info, "%s: no more document\n", __func__); - dev->document = SANE_FALSE; - - channels = dev->current_setup.channels; - depth = dev->current_setup.depth; - read_bytes_left = (int) dev->read_bytes_left; - DBG (DBG_io, "gl843_detect_document_end: read_bytes_left=%d\n", - read_bytes_left); - - /* get lines read */ - status = sanei_genesys_read_scancnt (dev, &scancnt); - if (status != SANE_STATUS_GOOD) - { - flines = 0; - } - else - { - /* compute number of line read */ - tmp = (int) dev->total_bytes_read; - if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART) - flines = tmp * 8 / dev->settings.pixels / channels; - else - flines = tmp / (depth / 8) / dev->settings.pixels / channels; - - /* number of scanned lines, but no read yet */ - flines = scancnt - flines; - - DBG (DBG_io, - "gl843_detect_document_end: %d scanned but not read lines\n", - flines); - } - - /* adjust number of bytes to read - * we need to read the final bytes which are word per line * number of last lines - * to have doc leaving feeder */ - lines = - (SANE_UNFIX (dev->model->post_scan) * dev->current_setup.yres) / - MM_PER_INCH + flines; - DBG (DBG_io, "gl843_detect_document_end: adding %d line to flush\n", - lines); - - /* number of bytes to read from scanner to get document out of it after - * end of document dectected by hardware sensor */ - bytes_to_flush = lines * dev->wpl; - - /* if we are already close to end of scan, flushing isn't needed */ - if (bytes_to_flush < read_bytes_left) - { - /* we take all these step to work around an overflow on some plateforms */ - tmp = (int) dev->total_bytes_read; - DBG (DBG_io, "gl843_detect_document_end: tmp=%d\n", tmp); - bytes_remain = (int) dev->total_bytes_to_read; - DBG (DBG_io, "gl843_detect_document_end: bytes_remain=%d\n", - bytes_remain); - bytes_remain = bytes_remain - tmp; - DBG (DBG_io, "gl843_detect_document_end: bytes_remain=%d\n", - bytes_remain); - - /* remaining lines to read by frontend for the current scan */ - if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART) - { - flines = bytes_remain * 8 / dev->settings.pixels / channels; - } - else - flines = bytes_remain / (depth / 8) - / dev->settings.pixels / channels; - DBG (DBG_io, "gl843_detect_document_end: flines=%d\n", flines); - - if (flines > lines) - { - /* change the value controlling communication with the frontend : - * total bytes to read is current value plus the number of remaining lines - * multiplied by bytes per line */ - sublines = flines - lines; - - if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART) - sub_bytes = - ((dev->settings.pixels * sublines) / 8 + - (((dev->settings.pixels * sublines) % 8) ? 1 : 0)) * - channels; - else - sub_bytes = - dev->settings.pixels * sublines * channels * (depth / 8); - - dev->total_bytes_to_read -= sub_bytes; - - /* then adjust the physical bytes to read */ - if (read_bytes_left > sub_bytes) - { - dev->read_bytes_left -= sub_bytes; - } - else - { - dev->total_bytes_to_read = dev->total_bytes_read; - dev->read_bytes_left = 0; - } - - DBG (DBG_io, "gl843_detect_document_end: sublines=%d\n", - sublines); - DBG (DBG_io, "gl843_detect_document_end: subbytes=%d\n", - sub_bytes); - DBG (DBG_io, - "gl843_detect_document_end: total_bytes_to_read=%lu\n", - (unsigned long) dev->total_bytes_to_read); - DBG (DBG_io, - "gl843_detect_document_end: read_bytes_left=%d\n", - read_bytes_left); - } - } - else - { - DBG (DBG_io, "gl843_detect_document_end: no flushing needed\n"); - } - } - - DBG (DBG_proc, "%s: finished\n", __func__); - return SANE_STATUS_GOOD; -} - -/** @brief disable XPA slider motor - * toggle gpios to switch disble XPA slider motor - * @param dev device to set up - */ -#ifndef UNIT_TESTING -static -#endif -SANE_Status gl843_xpa_motor_off(Genesys_Device *dev) -{ - uint8_t val; - SANE_Status status=SANE_STATUS_GOOD; - - DBGSTART; - - /* unset GPOADF */ - RIE (sanei_genesys_read_register (dev, REG6B, &val)); - val &= ~REG6B_GPOADF; - RIE (sanei_genesys_write_register (dev, REG6B, val)); - - RIE (sanei_genesys_read_register (dev, REGA8, &val)); - val |= REGA8_GPO27; - RIE (sanei_genesys_write_register (dev, REGA8, val)); - - RIE (sanei_genesys_read_register (dev, REGA9, &val)); - val &= ~REGA9_GPO31; - RIE (sanei_genesys_write_register (dev, REGA9, val)); - - DBGCOMPLETED; - return status; -} - - -/** @brief enable XPA slider motor - * toggle gpios to switch enable XPA slider motor - * @param dev device to set up - */ -#ifndef UNIT_TESTING -static -#endif -SANE_Status gl843_xpa_motor_on(Genesys_Device *dev) -{ - uint8_t val; - SANE_Status status=SANE_STATUS_GOOD; - - DBGSTART; - - /* set MULTFILM et GPOADF */ - RIE (sanei_genesys_read_register (dev, REG6B, &val)); - val |=REG6B_MULTFILM|REG6B_GPOADF; - RIE (sanei_genesys_write_register (dev, REG6B, val)); - - RIE (sanei_genesys_read_register (dev, REG6C, &val)); - val &= ~REG6C_GPIO15; - RIE (sanei_genesys_write_register (dev, REG6C, val)); - - /* Motor power ? No move at all without this one */ - RIE (sanei_genesys_read_register (dev, REGA6, &val)); - val |= REGA6_GPIO20; - RIE (sanei_genesys_write_register(dev,REGA6,val)); - - RIE (sanei_genesys_read_register (dev, REGA8, &val)); - val &= ~REGA8_GPO27; - RIE (sanei_genesys_write_register (dev, REGA8, val)); - - RIE (sanei_genesys_read_register (dev, REGA9, &val)); - val |= REGA9_GPO32|REGA9_GPO31; - RIE (sanei_genesys_write_register (dev, REGA9, val)); - - DBGCOMPLETED; - return status; -} - - -/** @brief light XPA lamp - * toggle gpios to switch off regular lamp and light on the - * XPA light - * @param dev device to set up - */ -#ifndef UNIT_TESTING -static -#endif -SANE_Status gl843_xpa_lamp_on(Genesys_Device *dev) -{ - uint8_t val; - SANE_Status status=SANE_STATUS_GOOD; - - DBGSTART; - - /* REGA6 */ - RIE(sanei_genesys_read_register(dev, REGA6, &val)); - - /* cut regular lamp power */ - val &= ~(REGA6_GPIO24|REGA6_GPIO23); - - /* set XPA lamp power */ - val |= REGA6_GPIO22 | REGA6_GPIO21 | REGA6_GPIO19; - - RIE(sanei_genesys_write_register(dev, REGA6, val)); - - RIE(sanei_genesys_read_register(dev, REGA7, &val)); - val|=REGA7_GPOE24; /* lamp 1 off GPOE 24 */ - val|=REGA7_GPOE23; /* lamp 2 off GPOE 23 */ - val|=REGA7_GPOE22; /* full XPA lamp power */ - RIE(sanei_genesys_write_register(dev, REGA7, val)); - - DBGCOMPLETED; - return status; -} - -/* Send the low-level scan command */ -#ifndef UNIT_TESTING -static -#endif -SANE_Status -gl843_begin_scan (Genesys_Device * dev, Genesys_Register_Set * reg, - SANE_Bool start_motor) -{ - SANE_Status status; - uint8_t val,r03; - uint16_t dpiset, dpihw; - - DBGSTART; - - /* get back the target dpihw */ - sanei_genesys_get_double (reg, REG_DPISET, &dpiset); - dpihw = sanei_genesys_compute_dpihw (dev, dpiset); - - /* set up GPIO for scan */ - switch(dev->model->gpo_type) - { - /* KV case */ - case GPO_KVSS080: - RIE (sanei_genesys_write_register (dev, REGA9, 0x00)); - RIE (sanei_genesys_write_register (dev, REGA6, 0xf6)); - /* blinking led */ - RIE (sanei_genesys_write_register (dev, 0x7e, 0x04)); - break; - case GPO_G4050: - RIE (sanei_genesys_write_register (dev, REGA7, 0xfe)); - RIE (sanei_genesys_write_register (dev, REGA8, 0x3e)); - RIE (sanei_genesys_write_register (dev, REGA9, 0x06)); - switch (dpihw) - { - case 1200: - case 2400: - case 4800: - RIE (sanei_genesys_write_register (dev, REG6C, 0x60)); - RIE (sanei_genesys_write_register (dev, REGA6, 0x46)); - break; - default: /* 600 dpi case */ - RIE (sanei_genesys_write_register (dev, REG6C, 0x20)); - RIE (sanei_genesys_write_register (dev, REGA6, 0x44)); - } - - /* turn on XPA lamp if XPA is selected and lamp power on*/ - r03 = sanei_genesys_read_reg_from_set (reg, REG03); - if ((r03 & REG03_XPASEL) && (r03 & REG03_LAMPPWR)) - { - RIE(gl843_xpa_lamp_on(dev)); - } - - /* enable XPA lamp motor */ - if (r03 & REG03_XPASEL) - { - RIE(gl843_xpa_motor_on(dev)); - } - - /* blinking led */ - RIE (sanei_genesys_write_register (dev, REG7E, 0x01)); - break; - case GPO_CS4400F: - case GPO_CS8400F: - default: - break; - } - - /* 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 */ -#ifndef UNIT_TESTING -static -#endif - SANE_Status -gl843_end_scan (Genesys_Device * dev, Genesys_Register_Set * reg, - SANE_Bool check_stop) -{ - SANE_Status status; - uint8_t val; - - DBG (DBG_proc, "gl843_end_scan (check_stop = %d)\n", check_stop); - if (reg == NULL) - return SANE_STATUS_INVAL; - - /* post scan gpio */ - RIE(sanei_genesys_write_register(dev,0x7e,0x00)); - - /* turn off XPA lamp if XPA is selected and lamp power on*/ - val = sanei_genesys_read_reg_from_set (reg, REG03); - if (val & (REG03_XPASEL|REG03_LAMPPWR)) - { - sanei_genesys_read_register (dev, REGA6, &val); - - /* switch on regular lamp */ - val |= 0x40; - - /* no XPA lamp power (2 bits for level: __11 ____) */ - val &= ~0x30; - - RIE (sanei_genesys_write_register (dev, REGA6, val)); - } - - if (dev->model->is_sheetfed == SANE_TRUE) - { - status = SANE_STATUS_GOOD; - } - else /* flat bed scanners */ - { - status = gl843_stop_action (dev); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_end_scan: failed to stop: %s\n", - sane_strstatus (status)); - return status; - } - } - - DBGCOMPLETED; - return status; -} - -/** @brief park XPA lamp - * park the XPA lamp if needed - */ -static SANE_Status gl843_park_xpa_lamp (Genesys_Device * dev) -{ - Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS]; - SANE_Status status; - Genesys_Register_Set *r; - uint8_t val; - int loop = 0; - - DBGSTART; - - /* copy scan settings */ - memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - /* set a huge feedl and reverse direction */ - sanei_genesys_set_triple(local_reg,REG_FEEDL,0xbdcd); - - /* 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; - r = sanei_genesys_get_address (local_reg, REG01); - r->value &= ~REG01_SCAN; - - /* write to scanner and start action */ - RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS)); - RIE (gl843_xpa_motor_on(dev)); - status = gl843_start_action (dev); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to start motor: %s\n",__func__, sane_strstatus (status)); - gl843_stop_action (dev); - /* restore original registers */ - dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS); - return status; - } - - while (loop < 600) /* do not wait longer then 60 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 (DBG_LEVEL >= DBG_io2) - { - sanei_genesys_print_status (val); - } - - if (val & REG41_HOMESNR) /* home sensor */ - { - DBG (DBG_info, "%s: reached home position\n",__func__); - DBG (DBG_proc, "%s: finished\n",__func__); - - /* clear GPOADF to avoid reparking again */ - sanei_genesys_read_register (dev, REG6B, &val); - val &= ~REG6B_GPOADF; - sanei_genesys_write_register (dev, REG6B, val); - - /* disable XPA slider motor */ - gl843_xpa_motor_off(dev); - return SANE_STATUS_GOOD; - } - usleep (100000); /* sleep 100 ms */ - ++loop; - } - - /* we are not parked here.... should we fail ? */ - DBG (DBG_info, "%s: XPA lamp is not parked\n", __func__); - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/** @brief Moves the slider to the home (top) position slowly - * */ -#ifndef UNIT_TESTING -static -#endif - SANE_Status -gl843_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home) -{ - Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS]; - SANE_Status status; - Genesys_Register_Set *r; - uint8_t val; - float resolution; - int loop = 0; - - DBG (DBG_proc, "gl843_slow_back_home (wait_until_home = %d)\n", - wait_until_home); - - if (dev->model->gpo_type == GPO_G4050) - { - /* test if we need to park XPA lamp, we check GPOADF */ - RIE (sanei_genesys_read_register (dev, REG6B, &val)); - if(val & REG6B_GPOADF) - { - RIE(gl843_park_xpa_lamp(dev)); - } - } - - /* regular slow back home */ - dev->scanhead_position_in_steps = 0; - - /* 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; - } - usleep (100000); /* sleep 100 ms */ - - /* second is reliable */ - status = sanei_genesys_get_status (dev, &val); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_slow_back_home: failed to read home sensor: %s\n", - sane_strstatus (status)); - return status; - } - if (DBG_LEVEL >= DBG_io) - { - sanei_genesys_print_status (val); - } - if (val & HOMESNR) /* is sensor at home? */ - { - DBGCOMPLETED; - return SANE_STATUS_GOOD; - } - - memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - resolution=sanei_genesys_get_lowest_ydpi(dev); - - status = gl843_init_scan_regs (dev, - local_reg, - resolution, - resolution, - 100, - 40000, - 100, - 100, - 8, - 1, - SCAN_MODE_LINEART, - dev->settings.color_filter, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE | - SCAN_FLAG_IGNORE_LINE_DISTANCE); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_slow_back_home: failed to set up registers: %s\n", - 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; - r = sanei_genesys_get_address (local_reg, REG01); - r->value &= ~REG01_SCAN; - - RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS)); - - status = gl843_start_action (dev); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_slow_back_home: failed to start motor: %s\n", - sane_strstatus (status)); - gl843_stop_action (dev); - /* restore original registers */ - dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS); - return status; - } - - 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, - "gl843_slow_back_home: failed to read home sensor: %s\n", - sane_strstatus (status)); - return status; - } - if (DBG_LEVEL >= DBG_io2) - { - sanei_genesys_print_status (val); - } - - if (val & REG41_HOMESNR) /* home sensor */ - { - DBG (DBG_info, "gl843_slow_back_home: reached home position\n"); - DBG (DBG_proc, "gl843_slow_back_home: finished\n"); - return SANE_STATUS_GOOD; - } - usleep (100000); /* sleep 100 ms */ - ++loop; - } - - /* when we come here then the scanner needed too much time for this, so we better stop the motor */ - gl843_stop_action (dev); - DBG (DBG_error, - "gl843_slow_back_home: timeout while waiting for scanhead to go home\n"); - return SANE_STATUS_IO_ERROR; - } - - DBG (DBG_info, "%s: scanhead is still moving\n", __func__); - 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 -gl843_search_start_position (Genesys_Device * dev) -{ - int size; - SANE_Status status; - uint8_t *data; - Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS]; - int steps; - - int pixels = 600; - int dpi = 300; - - DBG (DBG_proc, "gl843_search_start_position\n"); - - memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - /* sets for a 200 lines * 600 pixels */ - /* normal scan with no shading */ - - status = gl843_init_scan_regs (dev, - local_reg, - dpi, - dpi, - 0, - 0, /*we should give a small offset here~60 steps */ - 600, - dev->model->search_lines, - 8, - 1, - SCAN_MODE_GRAY, - 1, /*green */ - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_IGNORE_LINE_DISTANCE | - SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_search_start_position: failed to bulk setup registers: %s\n", - sane_strstatus (status)); - return status; - } - - /* send to scanner */ - status = dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_search_start_position: failed to bulk write registers: %s\n", - sane_strstatus (status)); - return status; - } - - size = pixels * dev->model->search_lines; - - data = malloc (size); - if (!data) - { - DBG (DBG_error, - "gl843_search_start_position: failed to allocate memory\n"); - return SANE_STATUS_NO_MEM; - } - - status = gl843_begin_scan (dev, local_reg, SANE_TRUE); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, - "gl843_search_start_position: failed to begin scan: %s\n", - 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, size); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, - "gl843_search_start_position: failed to read data: %s\n", - sane_strstatus (status)); - return status; - } - - if (DBG_LEVEL >= DBG_data) - sanei_genesys_write_pnm_file ("search_position.pnm", data, 8, 1, pixels, - dev->model->search_lines); - - status = gl843_end_scan (dev, local_reg, SANE_TRUE); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, - "gl843_search_start_position: failed to end scan: %s\n", - sane_strstatus (status)); - return status; - } - - /* update regs to copy ASIC internal state */ - memcpy (dev->reg, local_reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - status = - sanei_genesys_search_reference_point (dev, data, 0, dpi, pixels, - dev->model->search_lines); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, - "gl843_search_start_position: failed to set search reference point: %s\n", - sane_strstatus (status)); - return status; - } - - free (data); - return SANE_STATUS_GOOD; -} - -/* - * sets up register for coarse gain calibration - * todo: check it for scanners using it */ -static SANE_Status -gl843_init_regs_for_coarse_calibration (Genesys_Device * dev) -{ - SANE_Status status; - uint8_t channels; - uint8_t cksel; - - DBGSTART; - cksel = (dev->calib_reg[reg_0x18].value & REG18_CKSEL) + 1; /* clock speed = 1..4 clocks */ - - /* set line size */ - if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */ - channels = 3; - else - channels = 1; - - status = gl843_init_scan_regs (dev, - dev->calib_reg, - dev->settings.xres, - dev->settings.yres, - 0, - 0, - /* XXX STEF XXX dpi instead of pixels !*/ - dev->sensor.optical_res / cksel, - 20, - 16, - channels, - dev->settings.scan_mode, - dev->settings.color_filter, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_init_register_for_coarse_calibration: failed to setup scan: %s\n", - sane_strstatus (status)); - return status; - } - gl843_set_motor_power (dev->calib_reg, SANE_FALSE); - - DBG (DBG_info, - "gl843_init_register_for_coarse_calibration: optical sensor res: %d dpi, actual res: %d\n", - dev->sensor.optical_res / cksel, dev->settings.xres); - - status = dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_init_register_for_coarse_calibration: failed to bulk write registers: %s\n", - sane_strstatus (status)); - return status; - } - - 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 - * */ -#ifndef UNIT_TESTING -static -#endif -SANE_Status -gl843_feed (Genesys_Device * dev, unsigned int steps) -{ - Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS]; - SANE_Status status; - Genesys_Register_Set *r; - float resolution; - uint8_t val; - - DBGSTART; - - /* prepare local registers */ - memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - resolution=sanei_genesys_get_lowest_ydpi(dev); - status = gl843_init_scan_regs (dev, - local_reg, - resolution, - resolution, - 0, - steps, - 100, - 3, - 8, - 3, - SCAN_MODE_COLOR, - 0, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_FEEDING | - SCAN_FLAG_IGNORE_LINE_DISTANCE); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_feed: failed to set up registers: %s\n", - sane_strstatus (status)); - DBGCOMPLETED; - return status; - } - - /* 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; - - /* send registers */ - RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS)); - - status = gl843_start_action (dev); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus (status)); - gl843_stop_action (dev); - - /* restore original registers */ - dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS); - 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)); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - - -/* init registers for shading calibration */ -/* shading calibration is done at dpihw */ -static SANE_Status -gl843_init_regs_for_shading (Genesys_Device * dev) -{ - SANE_Status status; - int move, resolution, dpihw, factor; - uint16_t strpixel; - - DBGSTART; - - /* initial calibration reg values */ - memcpy (dev->calib_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - dev->calib_channels = 3; - dev->calib_lines = dev->model->shading_lines; - dpihw=sanei_genesys_compute_dpihw(dev,dev->settings.xres); - factor=dev->sensor.optical_res/dpihw; - resolution=dpihw; - dev->calib_resolution = resolution; - dev->calib_pixels = dev->sensor.sensor_pixels/factor; - - /* distance to move to reach white target */ - move = SANE_UNFIX (dev->model->y_offset_calib); - move = (move * resolution) / MM_PER_INCH; - - status = gl843_init_scan_regs (dev, - dev->calib_reg, - resolution, - resolution, - 0, - move, - dev->calib_pixels, - dev->calib_lines, - 16, - dev->calib_channels, - dev->settings.scan_mode, - dev->settings.color_filter, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE | - SCAN_FLAG_IGNORE_LINE_DISTANCE); - - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_init_registers_for_shading: failed to setup scan: %s\n", - sane_strstatus (status)); - return status; - } - - dev->scanhead_position_in_steps += dev->calib_lines + move; - sanei_genesys_get_double(dev->calib_reg,REG_STRPIXEL,&strpixel); - DBG (DBG_info, "%s: STRPIXEL=%d\n", __func__, strpixel); - - status = dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_init_registers_for_shading: failed to bulk write registers: %s\n", - sane_strstatus (status)); - return status; - } - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/** @brief set up registers for the actual scan - */ -static SANE_Status -gl843_init_regs_for_scan (Genesys_Device * dev) -{ - int channels; - int flags; - int depth; - float move; - int move_dpi; - float start; - - SANE_Status status; - - DBG (DBG_info, - "gl843_init_regs_for_scan settings:\nResolution: %ux%uDPI\n" - "Lines : %u\npixels : %u\nStartpos : %.3f/%.3f\nScan mode : %d\n\n", - dev->settings.xres, - dev->settings.yres, - dev->settings.lines, - dev->settings.pixels, - dev->settings.tl_x, - dev->settings.tl_y, - dev->settings.scan_mode); - - /* ensure head is parked in case of calibration */ - gl843_slow_back_home (dev, SANE_TRUE); - - /* channels */ - if (dev->settings.scan_mode == SCAN_MODE_COLOR) - channels = 3; - else - channels = 1; - - /* depth */ - depth = dev->settings.depth; - if (dev->settings.scan_mode == SCAN_MODE_LINEART) - depth = 1; - - move_dpi = dev->motor.base_ydpi; - - move = SANE_UNFIX (dev->model->y_offset); - move += dev->settings.tl_y; - move = (move * move_dpi) / MM_PER_INCH; - DBG (DBG_info, "gl843_init_regs_for_scan: move=%f steps\n", move); - - /* start */ - start = SANE_UNFIX (dev->model->x_offset); - start += dev->settings.tl_x; - start = (start * dev->sensor.optical_res) / MM_PER_INCH; - - flags = 0; - - /* enable emulated lineart from gray data */ - if(dev->settings.scan_mode == SCAN_MODE_LINEART - && dev->settings.dynamic_lineart) - { - flags |= SCAN_FLAG_DYNAMIC_LINEART; - } - - status = gl843_init_scan_regs (dev, - dev->reg, - dev->settings.xres, - dev->settings.yres, - start, - move, - dev->settings.pixels, - dev->settings.lines, - depth, - channels, - dev->settings.scan_mode, - dev->settings.color_filter, - flags); - - if (status != SANE_STATUS_GOOD) - return status; - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/** - * This function sends gamma tables to ASIC - */ -static SANE_Status -gl843_send_gamma_table (Genesys_Device * dev) -{ - int size; - int status; - uint8_t *gamma; - int i; - - DBGSTART; - - size = 256; - - /* allocate temporary gamma tables: 16 bits words, 3 channels */ - gamma = (uint8_t *) malloc (size * 2 * 3); - if (!gamma) - return SANE_STATUS_NO_MEM; - - /* copy sensor specific's gamma tables */ - for (i = 0; i < size; i++) - { - gamma[i * 2 + size * 0 + 0] = dev->sensor.gamma_table[GENESYS_RED][i] & 0xff; - gamma[i * 2 + size * 0 + 1] = (dev->sensor.gamma_table[GENESYS_RED][i] >> 8) & 0xff; - gamma[i * 2 + size * 2 + 0] = dev->sensor.gamma_table[GENESYS_GREEN][i] & 0xff; - gamma[i * 2 + size * 2 + 1] = (dev->sensor.gamma_table[GENESYS_GREEN][i] >> 8) & 0xff; - gamma[i * 2 + size * 4 + 0] = dev->sensor.gamma_table[GENESYS_BLUE][i] & 0xff; - gamma[i * 2 + size * 4 + 1] = (dev->sensor.gamma_table[GENESYS_BLUE][i] >> 8) & 0xff; - } - - /* send address */ - status = gl843_set_buffer_address (dev, 0x0000); - if (status != SANE_STATUS_GOOD) - { - free (gamma); - DBG (DBG_error, - "gl843_send_gamma_table: failed to set buffer address: %s\n", - sane_strstatus (status)); - return status; - } - - /* send data */ - status = gl843_bulk_write_data (dev, 0x28, (uint8_t *) gamma, size * 2 * 3); - if (status != SANE_STATUS_GOOD) - { - free (gamma); - DBG (DBG_error, - "gl843_send_gamma_table: failed to send gamma table: %s\n", - sane_strstatus (status)); - return status; - } - - DBG (DBG_proc, "gl843_send_gamma_table: completed\n"); - free (gamma); - return SANE_STATUS_GOOD; -} - -/* 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 -gl843_led_calibration (Genesys_Device * dev) -{ - int num_pixels; - int total_size; - int used_res; - uint8_t *line; - int i, j; - SANE_Status status = SANE_STATUS_GOOD; - int val; - int channels, depth; - int avg[3], avga, avge; - int turn; - char fn[20]; - uint16_t expr, expg, expb; - Genesys_Register_Set *r; - - SANE_Bool acceptable = SANE_FALSE; - - DBG (DBG_proc, "gl843_led_calibration\n"); - - /* offset calibration is always done in color mode */ - channels = 3; - depth = 16; - used_res = dev->sensor.optical_res; - num_pixels = - (dev->sensor.sensor_pixels * used_res) / dev->sensor.optical_res; - - /* initial calibration reg values */ - memcpy (dev->calib_reg, dev->reg, - GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - status = gl843_init_scan_regs (dev, - dev->calib_reg, - used_res, - dev->motor.base_ydpi, - 0, - 0, - num_pixels, - 1, - depth, - channels, - SCAN_MODE_COLOR, - dev->settings.color_filter, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE); - - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_led_calibration: failed to setup scan: %s\n", - sane_strstatus (status)); - return status; - } - - RIE (dev->model->cmd_set->bulk_write_register - (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS)); - - - total_size = num_pixels * channels * (depth / 8) * 1; /* colors * bytes_per_color * scan lines */ - - line = malloc (total_size); - if (!line) - return SANE_STATUS_NO_MEM; - -/* - we try to get equal bright leds here: - - loop: - average per color - adjust exposure times - */ - - expr = (dev->sensor.regs_0x10_0x1d[0] << 8) | dev->sensor.regs_0x10_0x1d[1]; - expg = (dev->sensor.regs_0x10_0x1d[2] << 8) | dev->sensor.regs_0x10_0x1d[3]; - expb = (dev->sensor.regs_0x10_0x1d[4] << 8) | dev->sensor.regs_0x10_0x1d[5]; - - turn = 0; - - do - { - - dev->sensor.regs_0x10_0x1d[0] = (expr >> 8) & 0xff; - dev->sensor.regs_0x10_0x1d[1] = expr & 0xff; - dev->sensor.regs_0x10_0x1d[2] = (expg >> 8) & 0xff; - dev->sensor.regs_0x10_0x1d[3] = expg & 0xff; - dev->sensor.regs_0x10_0x1d[4] = (expb >> 8) & 0xff; - dev->sensor.regs_0x10_0x1d[5] = expb & 0xff; - - for (i = 0; i < 6; i++) - { - r = sanei_genesys_get_address (dev->calib_reg, 0x10 + i); - r->value = dev->sensor.regs_0x10_0x1d[i]; - } - - RIE (dev->model->cmd_set->bulk_write_register - (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS)); - - DBG (DBG_info, "gl843_led_calibration: starting first line reading\n"); - RIE (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE)); - RIE (sanei_genesys_read_data_from_scanner (dev, line, total_size)); - - if (DBG_LEVEL >= DBG_data) - { - snprintf (fn, 20, "led_%02d.pnm", turn); - sanei_genesys_write_pnm_file (fn, - line, depth, channels, num_pixels, 1); - } - - acceptable = SANE_TRUE; - - 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, "gl843_led_calibration: average: " - "%d,%d,%d\n", avg[0], avg[1], avg[2]); - - acceptable = SANE_TRUE; - - if (avg[0] < avg[1] * 0.95 || avg[1] < avg[0] * 0.95 || - avg[0] < avg[2] * 0.95 || avg[2] < avg[0] * 0.95 || - avg[1] < avg[2] * 0.95 || avg[2] < avg[1] * 0.95) - acceptable = SANE_FALSE; - - if (!acceptable) - { - avga = (avg[0] + avg[1] + avg[2]) / 3; - expr = (expr * avga) / avg[0]; - expg = (expg * avga) / avg[1]; - expb = (expb * avga) / avg[2]; -/* - keep the resulting exposures below this value. - too long exposure drives the ccd into saturation. - we may fix this by relying on the fact that - we get a striped scan without shading, by means of - statistical calculation -*/ - avge = (expr + expg + expb) / 3; - - /* don't overflow max exposure */ - if (avge > 3000) - { - expr = (expr * 2000) / avge; - expg = (expg * 2000) / avge; - expb = (expb * 2000) / avge; - } - if (avge < 50) - { - expr = (expr * 50) / avge; - expg = (expg * 50) / avge; - expb = (expb * 50) / avge; - } - - } - - RIE (gl843_stop_action (dev)); - - turn++; - - } - while (!acceptable && turn < 100); - - DBG (DBG_info, "gl843_led_calibration: acceptable exposure: %d,%d,%d\n", - expr, expg, expb); - - /* cleanup before return */ - free (line); - - gl843_slow_back_home (dev, SANE_TRUE); - - DBG (DBG_proc, "gl843_led_calibration: completed\n"); - return status; -} - - - -/** - * average dark pixels of a 8 bits scan of a given channel - */ -static int -dark_average_channel (uint8_t * data, unsigned int pixels, unsigned int lines, - unsigned int channels, unsigned int black, int channel) -{ - unsigned int i, j, k, count; - unsigned int avg[3]; - uint8_t val; - - /* computes average values 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*channels + k]; - avg[k] += val; - count++; - } - } - if (count) - avg[k] /= count; - DBG (DBG_info, "%s: avg[%d] = %d\n", __func__, k, avg[k]); - } - DBG (DBG_info, "%s: average = %d\n", __func__, avg[channel]); - return avg[channel]; -} - -/** @brief calibrate AFE offset - * Iterate doing scans at target dpi until AFE offset if correct. One - * color line is scanned at a time. Scanning head doesn't move. - * @param dev device to calibrate - */ -static SANE_Status -gl843_offset_calibration (Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - uint8_t *first_line, *second_line; - unsigned int channels, bpp; - char title[32]; - int pass, total_size, i, resolution, lines; - int topavg[3], bottomavg[3], avg[3]; - int top[3], bottom[3], black_pixels, pixels, factor, dpihw; - - DBGSTART; - - /* offset calibration is always done in color mode */ - channels = 3; - lines = 8; - bpp = 8; - - /* compute divider factor to compute final pixels number */ - dpihw = sanei_genesys_compute_dpihw (dev, dev->settings.xres); - factor = dev->sensor.optical_res / dpihw; - resolution = dpihw; - pixels = dev->sensor.sensor_pixels / factor; - black_pixels = dev->sensor.black_pixels / factor; - DBG (DBG_io, "gl843_offset_calibration: dpihw =%d\n", dpihw); - DBG (DBG_io, "gl843_offset_calibration: factor =%d\n", factor); - DBG (DBG_io, "gl843_offset_calibration: resolution =%d\n", resolution); - DBG (DBG_io, "gl843_offset_calibration: pixels =%d\n", pixels); - DBG (DBG_io, "gl843_offset_calibration: black_pixels=%d\n", black_pixels); - - status = gl843_init_scan_regs (dev, - dev->calib_reg, - resolution, - resolution, - 0, - 0, - pixels, - lines, - bpp, - channels, - SCAN_MODE_COLOR, - 0, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "gl843_offset_calibration: failed to setup scan: %s\n", - sane_strstatus (status)); - return status; - } - gl843_set_motor_power (dev->calib_reg, SANE_FALSE); - - /* allocate memory for scans */ - total_size = pixels * channels * lines * (bpp / 8); /* colors * bytes_per_color * scan lines */ - - first_line = malloc (total_size); - if (!first_line) - return SANE_STATUS_NO_MEM; - - second_line = malloc (total_size); - if (!second_line) - { - free (first_line); - return SANE_STATUS_NO_MEM; - } - - /* init gain and offset */ - for (i = 0; i < 3; i++) - { - bottom[i] = 10; - dev->frontend.offset[i] = bottom[i]; - dev->frontend.gain[i] = 0; - } - RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line); - - /* scan with obttom AFE settings */ - RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line); - DBG (DBG_info, "gl843_offset_calibration: starting first line reading\n"); - RIEF2 (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line); - RIEF2 (sanei_genesys_read_data_from_scanner (dev, first_line, total_size), first_line, second_line); - if (DBG_LEVEL >= DBG_data) - { - for (i = 0; i < 3; i++) - { - snprintf (title, 20, "offset_%d_%03d.pnm", i, bottom[i]); - sanei_genesys_write_pnm_file (title, first_line, bpp, channels, pixels, lines); - } - } - - for (i = 0; i < 3; i++) - { - bottomavg[i] = dark_average_channel (first_line, pixels, lines, channels, black_pixels, i); - DBG (DBG_io2, "gl843_offset_calibration: bottom avg %d=%d\n", i, bottomavg[i]); - } - - /* now top value */ - for (i = 0; i < 3; i++) - { - top[i] = 255; - dev->frontend.offset[i] = top[i]; - } - RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line); - - /* scan with top AFE values */ - RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line); - DBG (DBG_info, "gl843_offset_calibration: starting second line reading\n"); - RIEF2 (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line); - RIEF2 (sanei_genesys_read_data_from_scanner (dev, second_line, total_size), first_line, second_line); - - for (i = 0; i < 3; i++) - { - topavg[i] = dark_average_channel (second_line, pixels, lines, channels, black_pixels, i); - DBG (DBG_io2, "gl843_offset_calibration: top avg %d=%d\n", i, topavg[i]); - } - - pass = 0; - - /* loop until acceptable level */ - while ((pass < 32) - && ((top[0] - bottom[0] > 1) - || (top[1] - bottom[1] > 1) || (top[2] - bottom[2] > 1))) - { - pass++; - - /* settings for new scan */ - for (i = 0; i < 3; i++) - { - if (top[i] - bottom[i] > 1) - { - dev->frontend.offset[i] = (top[i] + bottom[i]) / 2; - } - } - RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line); - - /* scan with no move */ - RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line); - DBG (DBG_info, "gl843_offset_calibration: starting second line reading\n"); - RIEF2 (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line); - RIEF2 (sanei_genesys_read_data_from_scanner (dev, second_line, total_size), first_line, second_line); - - if (DBG_LEVEL >= DBG_data) - { - for (i = 0; i < 3; i++) - { - sprintf (title, "offset_%d_%03d.pnm", i, dev->frontend.offset[i]); - sanei_genesys_write_pnm_file (title, second_line, bpp, channels, pixels, lines); - } - } - - for (i = 0; i < 3; i++) - { - avg[i] = dark_average_channel (second_line, pixels, lines, channels, black_pixels, i); - DBG (DBG_info, "gl843_offset_calibration: avg[%d]=%d offset=%d\n", i, avg[i], dev->frontend.offset[i]); - } - - /* compute new boundaries */ - for (i = 0; i < 3; i++) - { - if (topavg[i] >= avg[i]) - { - topavg[i] = avg[i]; - top[i] = dev->frontend.offset[i]; - } - else - { - bottomavg[i] = avg[i]; - bottom[i] = dev->frontend.offset[i]; - } - } - } - DBG (DBG_info, "gl843_offset_calibration: offset=(%d,%d,%d)\n", - dev->frontend.offset[0], - dev->frontend.offset[1], - dev->frontend.offset[2]); - - /* cleanup before return */ - free (first_line); - free (second_line); - - 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 -gl843_coarse_gain_calibration (Genesys_Device * dev, int dpi) -{ - int pixels, factor, dpihw; - int total_size; - uint8_t *line; - 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, "gl843_coarse_gain_calibration: dpi = %d\n", dpi); - dpihw=sanei_genesys_compute_dpihw(dev, dpi); - factor=dev->sensor.optical_res/dpihw; - - /* coarse gain calibration is always done in color mode */ - channels = 3; - - /* follow CKSEL */ - if (dev->model->ccd_type == CCD_KVSS080) - { - if(dev->settings.xres<dev->sensor.optical_res) - { - coeff=0.9; - } - else - { - coeff=1.0; - } - } - else - { - coeff=1.0; - } - resolution=dpihw; - lines=10; - bpp=8; - pixels = dev->sensor.sensor_pixels / factor; - - status = gl843_init_scan_regs (dev, - dev->calib_reg, - resolution, - resolution, - 0, - 0, - pixels, - lines, - bpp, - channels, - SCAN_MODE_COLOR, - dev->settings.color_filter, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE); - gl843_set_motor_power (dev->calib_reg, SANE_FALSE); - - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_coarse_calibration: failed to setup scan: %s\n", - sane_strstatus (status)); - return status; - } - - RIE (dev->model->cmd_set->bulk_write_register - (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS)); - - total_size = pixels * channels * (16/bpp) * lines; - - line = malloc (total_size); - if (!line) - return SANE_STATUS_NO_MEM; - - RIEF (gl843_set_fe(dev, AFE_SET), line); - RIEF (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE), line); - RIEF (sanei_genesys_read_data_from_scanner (dev, line, total_size), line); - - if (DBG_LEVEL >= DBG_data) - sanei_genesys_write_pnm_file ("coarse.pnm", line, 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) dev->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.gain[j] = code; - - DBG (DBG_proc, - "gl843_coarse_gain_calibration: channel %d, max=%d, gain = %f, setting:%d\n", - j, max[j], gain[j], dev->frontend.gain[j]); - } - - if (dev->model->is_cis) - { - if (dev->frontend.gain[0] > dev->frontend.gain[1]) - dev->frontend.gain[0] = dev->frontend.gain[1]; - if (dev->frontend.gain[0] > dev->frontend.gain[2]) - dev->frontend.gain[0] = dev->frontend.gain[2]; - dev->frontend.gain[2] = dev->frontend.gain[1] = dev->frontend.gain[0]; - } - - if (channels == 1) - { - dev->frontend.gain[0] = dev->frontend.gain[1]; - dev->frontend.gain[2] = dev->frontend.gain[1]; - } - - free (line); - - RIE (gl843_stop_action (dev)); - - status=gl843_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 -gl843_init_regs_for_warmup (Genesys_Device * dev, - Genesys_Register_Set * reg, - int *channels, int *total_size) -{ - int num_pixels; - SANE_Status status = SANE_STATUS_GOOD; - int dpihw; - int resolution; - int factor; - - DBGSTART; - if (dev == NULL || reg == NULL || channels == NULL || total_size == NULL) - return SANE_STATUS_INVAL; - - /* setup scan */ - *channels=3; - resolution=600; - dpihw=sanei_genesys_compute_dpihw(dev, resolution); - factor=dev->sensor.optical_res/dpihw; - num_pixels=dev->sensor.sensor_pixels/(factor*2); - *total_size = num_pixels * 3 * 1; - - memcpy (reg, dev->reg, (GENESYS_GL843_MAX_REGS + 1) * sizeof (Genesys_Register_Set)); - status = gl843_init_scan_regs (dev, - reg, - resolution, - resolution, - num_pixels/2, - 0, - num_pixels, - 1, - 8, - *channels, - SCAN_MODE_COLOR, - dev->settings.color_filter, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA | - SCAN_FLAG_SINGLE_LINE | - SCAN_FLAG_IGNORE_LINE_DISTANCE); - - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status)); - return status; - } - - gl843_set_motor_power (reg, SANE_FALSE); - RIE (dev->model->cmd_set->bulk_write_register (dev, reg, GENESYS_GL843_MAX_REGS)); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/** - * set up GPIO/GPOE for idle state -WRITE GPIO[17-21]= GPIO19 -WRITE GPOE[17-21]= GPOE21 GPOE20 GPOE19 GPOE18 -genesys_write_register(0xa8,0x3e) -GPIO(0xa8)=0x3e - */ -static SANE_Status -gl843_init_gpio (Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - int idx; - - DBGSTART; - - RIE (sanei_genesys_write_register (dev, REG6E, dev->gpo.enable[0])); - RIE (sanei_genesys_write_register (dev, REG6F, dev->gpo.enable[1])); - RIE (sanei_genesys_write_register (dev, REG6C, dev->gpo.value[0])); - RIE (sanei_genesys_write_register (dev, REG6D, dev->gpo.value[1])); - - idx=0; - while(dev->model->gpo_type != gpios[idx].gpo_type && gpios[idx].gpo_type!=0) - { - idx++; - } - if (gpios[idx].gpo_type!=0) - { - RIE (sanei_genesys_write_register (dev, REGA6, gpios[idx].ra6)); - RIE (sanei_genesys_write_register (dev, REGA7, gpios[idx].ra7)); - RIE (sanei_genesys_write_register (dev, REGA8, gpios[idx].ra8)); - RIE (sanei_genesys_write_register (dev, REGA9, gpios[idx].ra9)); - } - else - { - status=SANE_STATUS_INVAL; - } - - DBGCOMPLETED; - return status; -} - - -/* * - * initialize ASIC from power on condition - */ -#ifndef UNIT_TESTING -static -#endif -SANE_Status -gl843_boot (Genesys_Device * dev, SANE_Bool cold) -{ - SANE_Status status; - uint8_t val; - - DBGSTART; - - if(cold) - { - RIE (sanei_genesys_write_register (dev, 0x0e, 0x01)); - RIE (sanei_genesys_write_register (dev, 0x0e, 0x00)); - } - - if(dev->usb_mode == 1) - { - val = 0x14; - } - else - { - val = 0x11; - } - RIE (sanei_genesys_write_0x8c (dev, 0x0f, val)); - - /* test CHKVER */ - RIE (sanei_genesys_read_register (dev, REG40, &val)); - if (val & REG40_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 */ - gl843_init_registers (dev); - - RIE (sanei_genesys_write_register (dev, REG6B, 0x02)); - - /* Write initial registers */ - RIE (dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS)); - - /* Enable DRAM by setting a rising edge on bit 3 of reg 0x0b */ - val = dev->reg[reg_0x0b].value & REG0B_DRAMSEL; - val = (val | REG0B_ENBDRAM); - RIE (sanei_genesys_write_register (dev, REG0B, val)); - dev->reg[reg_0x0b].value = val; - /* URB 14 control 0x40 0x0c 0x8c 0x10 len 1 wrote 0xb4 */ - RIE (sanei_genesys_write_0x8c (dev, 0x10, 0xb4)); - - /* CLKSET */ - val = (dev->reg[reg_0x0b].value & ~REG0B_CLKSET) | REG0B_48MHZ; - RIE (sanei_genesys_write_register (dev, REG0B, val)); - dev->reg[reg_0x0b].value = val; - - /* prevent further writings by bulk write register */ - dev->reg[reg_0x0b].address = 0x00; - - /* set up end access */ - sanei_genesys_write_register (dev, REGA7, 0x04); - sanei_genesys_write_register (dev, REGA9, 0x00); - - /* set RAM read address */ - RIE (sanei_genesys_write_register (dev, REG29, 0x00)); - RIE (sanei_genesys_write_register (dev, REG2A, 0x00)); - RIE (sanei_genesys_write_register (dev, REG2B, 0x00)); - - /* setup gpio */ - RIE (gl843_init_gpio (dev)); - - gl843_feed (dev, 300); - usleep (100000); - - DBGCOMPLETED; - return SANE_STATUS_GOOD; -} - -/* * - * initialize backend and ASIC : registers, motor tables, and gamma tables - * then ensure scanner's head is at home - */ -#ifndef UNIT_TESTING -static -#endif -SANE_Status -gl843_init (Genesys_Device * dev) -{ - SANE_Status status; - - DBG_INIT (); - DBGSTART; - - status=sanei_genesys_asic_init(dev, GENESYS_GL843_MAX_REGS); - - DBGCOMPLETED; - return status; -} - -static SANE_Status -gl843_update_hardware_sensors (Genesys_Scanner * s) -{ - /* do what is needed to get a new set of events, but try to not lose - any of them. - */ - SANE_Status status = SANE_STATUS_GOOD; - uint8_t val; - - RIE (sanei_genesys_read_register (s->dev, REG6D, &val)); - - switch (s->dev->model->gpo_type) - { - case GPO_KVSS080: - if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b) - s->val[OPT_SCAN_SW].b = (val & 0x04) == 0; - break; - case GPO_G4050: - if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b) - s->val[OPT_SCAN_SW].b = (val & 0x01) == 0; - if (s->val[OPT_FILE_SW].b == s->last_val[OPT_FILE_SW].b) - s->val[OPT_FILE_SW].b = (val & 0x02) == 0; - if (s->val[OPT_EMAIL_SW].b == s->last_val[OPT_EMAIL_SW].b) - s->val[OPT_EMAIL_SW].b = (val & 0x04) == 0; - if (s->val[OPT_COPY_SW].b == s->last_val[OPT_COPY_SW].b) - s->val[OPT_COPY_SW].b = (val & 0x08) == 0; - break; - case GPO_CS4400F: - case GPO_CS8400F: - default: - break; - } - - return status; -} -#ifndef UNIT_TESTING -static -#endif -/** @brief move sensor to transparency adaptor - * Move sensor to the calibration of the transparency adapator (XPA). - * @param dev device to use - */ -SANE_Status gl843_move_to_ta (Genesys_Device * dev) -{ - SANE_Status status = SANE_STATUS_GOOD; - float resolution; - unsigned int feed; - - DBGSTART; - - resolution=sanei_genesys_get_lowest_ydpi(dev); - feed = 16*(SANE_UNFIX (dev->model->y_offset_calib_ta) * resolution) / MM_PER_INCH; - status = gl843_feed (dev, feed); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to move to XPA calibration area\n", __func__); - return status; - } - - DBGCOMPLETED; - return status; -} - - -/** @brief search for a full width black or white strip. - * This function searches for a black or white stripe across the scanning area. - * When searching backward, the searched area must completely be of the desired - * color since this area will be used for calibration which scans forward. - * @param dev scanner device - * @param forward SANE_TRUE if searching forward, SANE_FALSE if searching backward - * @param black SANE_TRUE if searching for a black strip, SANE_FALSE for a white strip - * @return SANE_STATUS_GOOD if a matching strip is found, SANE_STATUS_UNSUPPORTED if not - */ -static SANE_Status -gl843_search_strip (Genesys_Device * dev, SANE_Bool forward, SANE_Bool black) -{ - unsigned int pixels, lines, channels; - SANE_Status status; - Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS]; - size_t size; - uint8_t *data; - int steps, depth, dpi; - unsigned int pass, count, found, x, y; - char title[80]; - Genesys_Register_Set *r; - - DBG (DBG_proc, "gl843_search_strip %s %s\n", black ? "black" : "white", - forward ? "forward" : "reverse"); - - gl843_set_fe (dev, AFE_SET); - status = gl843_stop_action (dev); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_search_strip: failed to stop: %s\n", - sane_strstatus (status)); - return status; - } - - /* set up for a gray scan at lowest dpi */ - dpi = sanei_genesys_get_lowest_dpi(dev); - channels = 1; - - /* 10 MM */ - /* lines = (10 * dpi) / MM_PER_INCH; */ - /* shading calibation is done with dev->motor.base_ydpi */ - lines = (dev->model->shading_lines * dpi) / dev->motor.base_ydpi; - depth = 8; - pixels = (dev->sensor.sensor_pixels * dpi) / dev->sensor.optical_res; - size = pixels * channels * lines * (depth / 8); - data = malloc (size); - if (!data) - { - DBG (DBG_error, "gl843_search_strip: failed to allocate memory\n"); - return SANE_STATUS_NO_MEM; - } - dev->scanhead_position_in_steps = 0; - - memcpy (local_reg, dev->reg, - GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set)); - - status = gl843_init_scan_regs (dev, - local_reg, - dpi, - dpi, - 0, - 0, - pixels, - lines, - depth, - channels, - SCAN_MODE_GRAY, - 0, - SCAN_FLAG_DISABLE_SHADING | - SCAN_FLAG_DISABLE_GAMMA); - if (status != SANE_STATUS_GOOD) - { - free(data); - DBG (DBG_error, - "gl843_search_strip: failed to setup for scan: %s\n", - sane_strstatus (status)); - return status; - } - - /* set up for reverse or forward */ - r = sanei_genesys_get_address (local_reg, REG02); - if (forward) - r->value &= ~REG02_MTRREV; - else - r->value |= REG02_MTRREV; - - - status = dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS); - if (status != SANE_STATUS_GOOD) - { - free(data); - DBG (DBG_error, - "gl843_search_strip: failed to bulk write registers: %s\n", - sane_strstatus (status)); - return status; - } - - status = gl843_begin_scan (dev, local_reg, SANE_TRUE); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, - "gl843_search_strip: failed to begin scan: %s\n", - 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, size); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, - "gl843_search_start_position: failed to read data: %s\n", - sane_strstatus (status)); - return status; - } - - status = gl843_stop_action (dev); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, "gl843_search_strip: gl843_stop_action failed\n"); - return status; - } - - pass = 0; - if (DBG_LEVEL >= DBG_data) - { - sprintf (title, "search_strip_%s_%s%02d.pnm", - black ? "black" : "white", forward ? "fwd" : "bwd", (int)pass); - sanei_genesys_write_pnm_file (title, data, depth, channels, pixels, - lines); - } - - /* loop until strip is found or maximum pass number done */ - found = 0; - while (pass < 20 && !found) - { - status = - dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, - "gl843_search_strip: failed to bulk write registers: %s\n", - sane_strstatus (status)); - return status; - } - - /* now start scan */ - status = gl843_begin_scan (dev, local_reg, SANE_TRUE); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, - "gl843_search_strip: failed to begin scan: %s\n", - 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, size); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, - "gl843_search_start_position: failed to read data: %s\n", - sane_strstatus (status)); - return status; - } - - status = gl843_stop_action (dev); - if (status != SANE_STATUS_GOOD) - { - free (data); - DBG (DBG_error, "gl843_search_strip: gl843_stop_action failed\n"); - return status; - } - - if (DBG_LEVEL >= DBG_data) - { - sprintf (title, "search_strip_%s_%s%02d.pnm", - black ? "black" : "white", forward ? "fwd" : "bwd", (int)pass); - sanei_genesys_write_pnm_file (title, data, depth, channels, - pixels, lines); - } - - /* search data to find black strip */ - /* when searching forward, we only need one line of the searched color since we - * will scan forward. But when doing backward search, we need all the area of the - * same color */ - if (forward) - { - for (y = 0; y < lines && !found; y++) - { - count = 0; - /* count of white/black pixels depending on the color searched */ - for (x = 0; x < pixels; x++) - { - /* when searching for black, detect white pixels */ - if (black && data[y * pixels + x] > 90) - { - count++; - } - /* when searching for white, detect black pixels */ - if (!black && data[y * pixels + x] < 60) - { - count++; - } - } - - /* at end of line, if count >= 3%, line is not fully of the desired color - * so we must go to next line of the buffer */ - /* count*100/pixels < 3 */ - if ((count * 100) / pixels < 3) - { - found = 1; - DBG (DBG_data, - "gl843_search_strip: strip found forward during pass %d at line %d\n", - pass, y); - } - else - { - DBG (DBG_data, - "gl843_search_strip: pixels=%d, count=%d (%d%%)\n", - pixels, count, (100 * count) / pixels); - } - } - } - else /* since calibration scans are done forward, we need the whole area - to be of the required color when searching backward */ - { - count = 0; - for (y = 0; y < lines; y++) - { - /* count of white/black pixels depending on the color searched */ - for (x = 0; x < pixels; x++) - { - /* when searching for black, detect white pixels */ - if (black && data[y * pixels + x] > 90) - { - count++; - } - /* when searching for white, detect black pixels */ - if (!black && data[y * pixels + x] < 60) - { - count++; - } - } - } - - /* at end of area, if count >= 3%, area is not fully of the desired color - * so we must go to next buffer */ - if ((count * 100) / (pixels * lines) < 3) - { - found = 1; - DBG (DBG_data, - "gl843_search_strip: strip found backward during pass %d \n", - pass); - } - else - { - DBG (DBG_data, - "gl843_search_strip: pixels=%d, count=%d (%d%%)\n", - pixels, count, (100 * count) / pixels); - } - } - pass++; - } - free (data); - if (found) - { - status = SANE_STATUS_GOOD; - DBG (DBG_info, "gl843_search_strip: %s strip found\n", - black ? "black" : "white"); - } - else - { - status = SANE_STATUS_UNSUPPORTED; - DBG (DBG_info, "gl843_search_strip: %s strip not found\n", - black ? "black" : "white"); - } - - DBG (DBG_proc, "gl843_search_strip: completed\n"); - return status; -} - -/** - * Send shading calibration data. The buffer is considered to always hold values - * for all the channels. - */ -#ifndef UNIT_TESTING -static -#endif -SANE_Status -gl843_send_shading_data (Genesys_Device * dev, uint8_t * data, int size) -{ - SANE_Status status; - uint32_t final_size, length, i; - uint8_t *final_data; - uint8_t *buffer; - int count,offset; - unsigned int tgtime; - unsigned int cksel; - Genesys_Register_Set *r; - uint16_t dpiset, strpixel, endpixel, startx, factor; - - DBGSTART; - - offset=0; - length=size; - r = sanei_genesys_get_address (dev->reg, REG01); - if(r->value & REG01_SHDAREA) - { - /* recompute STRPIXEL used shading calibration so we can - * compute offset within data for SHDAREA case */ - r = sanei_genesys_get_address (dev->reg, REG18); - cksel= (r->value & REG18_CKSEL)+1; - sanei_genesys_get_double(dev->reg,REG_DPISET,&strpixel); - tgtime=1; - sanei_genesys_get_double(dev->reg,REG_DPISET,&dpiset); - factor=dev->sensor.optical_res/sanei_genesys_compute_dpihw(dev,dpiset); - if (dev->model->ccd_type == CCD_G4050 && dpiset>2400) - { - tgtime=2; - } - - /* start coordinate in optical dpi coordinates */ - startx = ((dev->sensor.dummy_pixel * tgtime)/cksel)/factor; - - /* current scan coordinates */ - sanei_genesys_get_double(dev->reg,REG_STRPIXEL,&strpixel); - sanei_genesys_get_double(dev->reg,REG_ENDPIXEL,&endpixel); - strpixel*=tgtime; - endpixel*=tgtime; - - /* 16 bit words, 2 words per color, 3 color channels */ - offset=(strpixel-startx)*2*2*3; - length=(endpixel-strpixel)*2*2*3; - DBG (DBG_info, "%s: STRPIXEL=%d, ENDPIXEL=%d, startx=%d\n", __func__, strpixel, endpixel, startx); - } - - /* compute and allocate size for final data */ - final_size = ((length+251) / 252) * 256; - DBG (DBG_io, "%s: final shading size=%04x (length=%d)\n", __func__, final_size, length); - final_data = (uint8_t *) malloc (final_size); - if(final_data==NULL) - { - DBG (DBG_error, "%s: failed to allocate memory for shading data\n", __func__); - return SANE_STATUS_NO_MEM; - } - memset(final_data,0x00,final_size); - - /* copy regular shading data to the expected layout */ - buffer = final_data; - count = 0; - - /* loop over calibration data */ - for (i = 0; i < length; i++) - { - buffer[count] = data[offset+i]; - count++; - if ((count % (256*2)) == (252*2)) - { - count += 4*2; - } - } - - /* send data */ - status = sanei_genesys_set_buffer_address (dev, 0); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to set buffer address: %s\n", __func__, sane_strstatus (status)); - free(final_data); - return status; - } - - status = dev->model->cmd_set->bulk_write_data (dev, 0x3c, final_data, count); - if (status != SANE_STATUS_GOOD) - { - DBG (DBG_error, "%s: failed to send shading table: %s\n", __func__, sane_strstatus (status)); - } - - free(final_data); - DBGCOMPLETED; - return status; -} - - -/** the gl843 command set */ -static Genesys_Command_Set gl843_cmd_set = { - "gl843-generic", /* the name of this set */ - - gl843_init, - gl843_init_regs_for_warmup, - gl843_init_regs_for_coarse_calibration, - gl843_init_regs_for_shading, - gl843_init_regs_for_scan, - - gl843_get_filter_bit, - gl843_get_lineart_bit, - gl843_get_bitset_bit, - gl843_get_gain4_bit, - gl843_get_fast_feed_bit, - gl843_test_buffer_empty_bit, - gl843_test_motor_flag_bit, - - gl843_bulk_full_size, - - gl843_set_fe, - gl843_set_powersaving, - gl843_save_power, - - gl843_set_motor_power, - gl843_set_lamp_power, - - gl843_begin_scan, - gl843_end_scan, - - gl843_send_gamma_table, - - gl843_search_start_position, - - gl843_offset_calibration, - gl843_coarse_gain_calibration, - gl843_led_calibration, - - gl843_slow_back_home, - NULL, - - sanei_genesys_bulk_write_register, - gl843_bulk_write_data, - gl843_bulk_read_data, - - gl843_update_hardware_sensors, - - gl843_load_document, - gl843_detect_document_end, - gl843_eject_document, - gl843_search_strip, - - sanei_genesys_is_compatible_calibration, - gl843_move_to_ta, - gl843_send_shading_data, - gl843_calculate_current_setup, - gl843_boot, - NULL -}; - -SANE_Status -sanei_gl843_init_cmd_set (Genesys_Device * dev) -{ - dev->model->cmd_set = &gl843_cmd_set; - return SANE_STATUS_GOOD; -} - -/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */ |