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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 17:00:58 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 17:00:58 +0200
commitd087d778ffb62e2713cb848540bcc819470365bd (patch)
treed69692a274dd1c7d0672e6bb7155a0fc106f9d49 /backend/genesys_gl124.cc
parentc8bd2513ecba169cff44c09c8058c36987357b18 (diff)
parent3759ce55ba79b8d3b9d8ed247a252273ee7dade3 (diff)
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'backend/genesys_gl124.cc')
-rw-r--r--backend/genesys_gl124.cc3592
1 files changed, 3592 insertions, 0 deletions
diff --git a/backend/genesys_gl124.cc b/backend/genesys_gl124.cc
new file mode 100644
index 0000000..a535d58
--- /dev/null
+++ b/backend/genesys_gl124.cc
@@ -0,0 +1,3592 @@
+/* sane - Scanner Access Now Easy.
+
+ Copyright (C) 2010-2016 Stéphane Voltz <stef.dev@free.fr>
+
+
+ This file is part of the SANE package.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ As a special exception, the authors of SANE give permission for
+ additional uses of the libraries contained in this release of SANE.
+
+ The exception is that, if you link a SANE library with other files
+ to produce an executable, this does not by itself cause the
+ resulting executable to be covered by the GNU General Public
+ License. Your use of that executable is in no way restricted on
+ account of linking the SANE library code into it.
+
+ This exception does not, however, invalidate any other reasons why
+ the executable file might be covered by the GNU General Public
+ License.
+
+ If you submit changes to SANE to the maintainers to be included in
+ a subsequent release, you agree by submitting the changes that
+ those changes may be distributed with this exception intact.
+
+ If you write modifications of your own for SANE, it is your choice
+ whether to permit this exception to apply to your modifications.
+ If you do not wish that, delete this exception notice.
+*/
+
+#define DEBUG_DECLARE_ONLY
+
+#include "genesys_gl124.h"
+
+#include <vector>
+
+/****************************************************************************
+ Mid level functions
+ ****************************************************************************/
+
+static SANE_Bool gl124_get_fast_feed_bit(Genesys_Register_Set* regs)
+{
+ return (bool)(regs->get8(REG02) & REG02_FASTFED);
+}
+
+static SANE_Bool gl124_get_filter_bit(Genesys_Register_Set* regs)
+{
+ return (bool)(regs->get8(REG04) & REG04_FILTER);
+}
+
+static SANE_Bool gl124_get_lineart_bit(Genesys_Register_Set* regs)
+{
+ return (bool)(regs->get8(REG04) & REG04_LINEART);
+}
+
+static SANE_Bool gl124_get_bitset_bit(Genesys_Register_Set* regs)
+{
+ return (bool)(regs->get8(REG04) & REG04_BITSET);
+}
+
+static SANE_Bool gl124_get_gain4_bit (Genesys_Register_Set * regs)
+{
+ return (bool)(regs->get8(REG06) & REG06_GAIN4);
+}
+
+static SANE_Bool
+gl124_test_buffer_empty_bit (SANE_Byte val)
+{
+ if (val & BUFEMPTY)
+ return SANE_TRUE;
+ return SANE_FALSE;
+}
+
+static SANE_Bool
+gl124_test_motor_flag_bit (SANE_Byte val)
+{
+ if (val & MOTORENB)
+ return SANE_TRUE;
+ return SANE_FALSE;
+}
+
+/** @brief sensor profile
+ * search for the database of motor profiles and get the best one. Each
+ * profile is at a specific dpihw. Use LiDE 110 table by default.
+ * @param sensor_type sensor id
+ * @param dpi hardware dpi for the scan
+ * @param half_ccd flag to signal half ccd mode
+ * @return a pointer to a Sensor_Profile struct
+ */
+static Sensor_Profile *get_sensor_profile(int sensor_type, int dpi, int half_ccd)
+{
+ unsigned int i;
+ int idx;
+
+ i=0;
+ idx=-1;
+ while(i<sizeof(sensors)/sizeof(Sensor_Profile))
+ {
+ /* exact match */
+ if(sensors[i].sensor_type==sensor_type
+ && sensors[i].dpi==dpi
+ && sensors[i].half_ccd==half_ccd)
+ {
+ return &(sensors[i]);
+ }
+
+ /* closest match */
+ if(sensors[i].sensor_type==sensor_type
+ && sensors[i].half_ccd==half_ccd)
+ {
+ if(idx<0)
+ {
+ idx=i;
+ }
+ else
+ {
+ if(sensors[i].dpi>=dpi
+ && sensors[i].dpi<sensors[idx].dpi)
+ {
+ idx=i;
+ }
+ }
+ }
+ i++;
+ }
+
+ /* default fallback */
+ if(idx<0)
+ {
+ DBG (DBG_warn,"%s: using default sensor profile\n",__func__);
+ idx=0;
+ }
+
+ return &(sensors[idx]);
+}
+
+
+static SANE_Status
+gl124_homsnr_gpio(Genesys_Device *dev)
+{
+uint8_t val;
+SANE_Status status=SANE_STATUS_GOOD;
+
+ RIE (sanei_genesys_read_register (dev, REG32, &val));
+ val &= ~REG32_GPIO10;
+ RIE (sanei_genesys_write_register (dev, REG32, val));
+ return status;
+}
+
+/**@brief compute half ccd mode
+ * Compute half CCD mode flag. Half CCD is on when dpiset it twice
+ * the actual scanning resolution. Used for fast scans.
+ * @param model pointer to device model
+ * @param xres required horizontal resolution
+ * @return SANE_TRUE if half CCD mode enabled
+ */
+static SANE_Bool compute_half_ccd(const Genesys_Sensor& sensor, int xres)
+{
+ /* we have 2 domains for ccd: xres below or above half ccd max dpi */
+ if (xres<=300 && sensor.ccd_size_divisor > 1)
+ {
+ return SANE_TRUE;
+ }
+ return SANE_FALSE;
+}
+
+/** @brief set all registers to default values .
+ * This function is called only once at the beginning and
+ * fills register startup values for registers reused across scans.
+ * Those that are rarely modified or not modified are written
+ * individually.
+ * @param dev device structure holding register set to initialize
+ */
+static void
+gl124_init_registers (Genesys_Device * dev)
+{
+ DBGSTART;
+
+ dev->reg.clear();
+
+ /* default to LiDE 110 */
+ SETREG (0x01,0xa2); /* + REG01_SHDAREA */
+ SETREG (0x02,0x90);
+ SETREG (0x03,0x50);
+ SETREG (0x04,0x03);
+ SETREG (0x05,0x00);
+ if(dev->model->ccd_type==CIS_CANONLIDE120)
+ {
+ SETREG (0x06,0x50);
+ SETREG (0x07,0x00);
+ }
+ else
+ {
+ SETREG (0x03,0x50 & ~REG03_AVEENB);
+ SETREG (0x06,0x50 | REG06_GAIN4);
+ }
+ SETREG (0x09,0x00);
+ SETREG (0x0a,0xc0);
+ SETREG (0x0b,0x2a);
+ SETREG (0x0c,0x12);
+ SETREG (0x11,0x00);
+ SETREG (0x12,0x00);
+ SETREG (0x13,0x0f);
+ SETREG (0x14,0x00);
+ SETREG (0x15,0x80);
+ SETREG (0x16,0x10);
+ SETREG (0x17,0x04);
+ SETREG (0x18,0x00);
+ SETREG (0x19,0x01);
+ SETREG (0x1a,0x30);
+ SETREG (0x1b,0x00);
+ SETREG (0x1c,0x00);
+ SETREG (0x1d,0x01);
+ SETREG (0x1e,0x10);
+ SETREG (0x1f,0x00);
+ SETREG (0x20,0x15);
+ SETREG (0x21,0x00);
+ if(dev->model->ccd_type!=CIS_CANONLIDE120)
+ {
+ SETREG (0x22,0x02);
+ }
+ else
+ {
+ SETREG (0x22,0x14);
+ }
+ SETREG (0x23,0x00);
+ SETREG (0x24,0x00);
+ SETREG (0x25,0x00);
+ SETREG (0x26,0x0d);
+ SETREG (0x27,0x48);
+ SETREG (0x28,0x00);
+ SETREG (0x29,0x56);
+ SETREG (0x2a,0x5e);
+ SETREG (0x2b,0x02);
+ SETREG (0x2c,0x02);
+ SETREG (0x2d,0x58);
+ SETREG (0x3b,0x00);
+ SETREG (0x3c,0x00);
+ SETREG (0x3d,0x00);
+ SETREG (0x3e,0x00);
+ SETREG (0x3f,0x02);
+ SETREG (0x40,0x00);
+ SETREG (0x41,0x00);
+ SETREG (0x42,0x00);
+ SETREG (0x43,0x00);
+ SETREG (0x44,0x00);
+ SETREG (0x45,0x00);
+ SETREG (0x46,0x00);
+ SETREG (0x47,0x00);
+ SETREG (0x48,0x00);
+ SETREG (0x49,0x00);
+ SETREG (0x4f,0x00);
+ SETREG (0x52,0x00);
+ SETREG (0x53,0x02);
+ SETREG (0x54,0x04);
+ SETREG (0x55,0x06);
+ SETREG (0x56,0x04);
+ SETREG (0x57,0x04);
+ SETREG (0x58,0x04);
+ SETREG (0x59,0x04);
+ SETREG (0x5a,0x1a);
+ SETREG (0x5b,0x00);
+ SETREG (0x5c,0xc0);
+ SETREG (0x5f,0x00);
+ SETREG (0x60,0x02);
+ SETREG (0x61,0x00);
+ SETREG (0x62,0x00);
+ SETREG (0x63,0x00);
+ SETREG (0x64,0x00);
+ SETREG (0x65,0x00);
+ SETREG (0x66,0x00);
+ SETREG (0x67,0x00);
+ SETREG (0x68,0x00);
+ SETREG (0x69,0x00);
+ SETREG (0x6a,0x00);
+ SETREG (0x6b,0x00);
+ SETREG (0x6c,0x00);
+ SETREG (0x6e,0x00);
+ SETREG (0x6f,0x00);
+ if(dev->model->ccd_type!=CIS_CANONLIDE120)
+ {
+ SETREG (0x6d,0xd0);
+ SETREG (0x71,0x08);
+ }
+ else
+ {
+ SETREG (0x6d,0x00);
+ SETREG (0x71,0x1f);
+ }
+ SETREG (0x70,0x00);
+ SETREG (0x72,0x08);
+ SETREG (0x73,0x0a);
+
+ /* CKxMAP */
+ SETREG (0x74,0x00);
+ SETREG (0x75,0x00);
+ SETREG (0x76,0x3c);
+ SETREG (0x77,0x00);
+ SETREG (0x78,0x00);
+ SETREG (0x79,0x9f);
+ SETREG (0x7a,0x00);
+ SETREG (0x7b,0x00);
+ SETREG (0x7c,0x55);
+
+ SETREG (0x7d,0x00);
+ SETREG (0x7e,0x08);
+ SETREG (0x7f,0x58);
+ if(dev->model->ccd_type!=CIS_CANONLIDE120)
+ {
+ SETREG (0x80,0x00);
+ SETREG (0x81,0x14);
+ }
+ else
+ {
+ SETREG (0x80,0x00);
+ SETREG (0x81,0x10);
+ }
+
+ /* STRPIXEL */
+ SETREG (0x82,0x00);
+ SETREG (0x83,0x00);
+ SETREG (0x84,0x00);
+ /* ENDPIXEL */
+ SETREG (0x85,0x00);
+ SETREG (0x86,0x00);
+ SETREG (0x87,0x00);
+
+ SETREG (0x88,0x00);
+ SETREG (0x89,0x65);
+ SETREG (0x8a,0x00);
+ SETREG (0x8b,0x00);
+ SETREG (0x8c,0x00);
+ SETREG (0x8d,0x00);
+ SETREG (0x8e,0x00);
+ SETREG (0x8f,0x00);
+ SETREG (0x90,0x00);
+ SETREG (0x91,0x00);
+ SETREG (0x92,0x00);
+ SETREG (0x93,0x00);
+ SETREG (0x94,0x14);
+ SETREG (0x95,0x30);
+ SETREG (0x96,0x00);
+ SETREG (0x97,0x90);
+ SETREG (0x98,0x01);
+ SETREG (0x99,0x1f);
+ SETREG (0x9a,0x00);
+ SETREG (0x9b,0x80);
+ SETREG (0x9c,0x80);
+ SETREG (0x9d,0x3f);
+ SETREG (0x9e,0x00);
+ SETREG (0x9f,0x00);
+ SETREG (0xa0,0x20);
+ SETREG (0xa1,0x30);
+ SETREG (0xa2,0x00);
+ SETREG (0xa3,0x20);
+ SETREG (0xa4,0x01);
+ SETREG (0xa5,0x00);
+ SETREG (0xa6,0x00);
+ SETREG (0xa7,0x08);
+ SETREG (0xa8,0x00);
+ SETREG (0xa9,0x08);
+ SETREG (0xaa,0x01);
+ SETREG (0xab,0x00);
+ SETREG (0xac,0x00);
+ SETREG (0xad,0x40);
+ SETREG (0xae,0x01);
+ SETREG (0xaf,0x00);
+ SETREG (0xb0,0x00);
+ SETREG (0xb1,0x40);
+ SETREG (0xb2,0x00);
+ SETREG (0xb3,0x09);
+ SETREG (0xb4,0x5b);
+ SETREG (0xb5,0x00);
+ SETREG (0xb6,0x10);
+ SETREG (0xb7,0x3f);
+ SETREG (0xb8,0x00);
+ SETREG (0xbb,0x00);
+ SETREG (0xbc,0xff);
+ SETREG (0xbd,0x00);
+ SETREG (0xbe,0x07);
+ SETREG (0xc3,0x00);
+ SETREG (0xc4,0x00);
+
+ /* gamma
+ SETREG (0xc5,0x00);
+ SETREG (0xc6,0x00);
+ SETREG (0xc7,0x00);
+ SETREG (0xc8,0x00);
+ SETREG (0xc9,0x00);
+ SETREG (0xca,0x00);
+ SETREG (0xcb,0x00);
+ SETREG (0xcc,0x00);
+ SETREG (0xcd,0x00);
+ SETREG (0xce,0x00);
+ */
+ if(dev->model->ccd_type==CIS_CANONLIDE120)
+ {
+ SETREG (0xc5,0x20);
+ SETREG (0xc6,0xeb);
+ SETREG (0xc7,0x20);
+ SETREG (0xc8,0xeb);
+ SETREG (0xc9,0x20);
+ SETREG (0xca,0xeb);
+ }
+
+ /* memory layout
+ SETREG (0xd0,0x0a);
+ SETREG (0xd1,0x1f);
+ SETREG (0xd2,0x34); */
+ SETREG (0xd3,0x00);
+ SETREG (0xd4,0x00);
+ SETREG (0xd5,0x00);
+ SETREG (0xd6,0x00);
+ SETREG (0xd7,0x00);
+ SETREG (0xd8,0x00);
+ SETREG (0xd9,0x00);
+
+ /* memory layout
+ SETREG (0xe0,0x00);
+ SETREG (0xe1,0x48);
+ SETREG (0xe2,0x15);
+ SETREG (0xe3,0x90);
+ SETREG (0xe4,0x15);
+ SETREG (0xe5,0x91);
+ SETREG (0xe6,0x2a);
+ SETREG (0xe7,0xd9);
+ SETREG (0xe8,0x2a);
+ SETREG (0xe9,0xad);
+ SETREG (0xea,0x40);
+ SETREG (0xeb,0x22);
+ SETREG (0xec,0x40);
+ SETREG (0xed,0x23);
+ SETREG (0xee,0x55);
+ SETREG (0xef,0x6b);
+ SETREG (0xf0,0x55);
+ SETREG (0xf1,0x6c);
+ SETREG (0xf2,0x6a);
+ SETREG (0xf3,0xb4);
+ SETREG (0xf4,0x6a);
+ SETREG (0xf5,0xb5);
+ SETREG (0xf6,0x7f);
+ SETREG (0xf7,0xfd);*/
+
+ SETREG (0xf8,0x01); /* other value is 0x05 */
+ SETREG (0xf9,0x00);
+ SETREG (0xfa,0x00);
+ SETREG (0xfb,0x00);
+ SETREG (0xfc,0x00);
+ SETREG (0xff,0x00);
+
+ /* fine tune upon device description */
+ dev->reg.find_reg(0x05).value &= ~REG05_DPIHW;
+ switch (sanei_genesys_find_sensor_any(dev).optical_res)
+ {
+ case 600:
+ dev->reg.find_reg(0x05).value |= REG05_DPIHW_600;
+ break;
+ case 1200:
+ dev->reg.find_reg(0x05).value |= REG05_DPIHW_1200;
+ break;
+ case 2400:
+ dev->reg.find_reg(0x05).value |= REG05_DPIHW_2400;
+ break;
+ case 4800:
+ dev->reg.find_reg(0x05).value |= REG05_DPIHW_4800;
+ break;
+ }
+
+ dev->calib_reg = dev->reg;
+
+ DBGCOMPLETED;
+}
+
+/**@brief send slope table for motor movement
+ * Send slope_table in machine byte order
+ * @param dev device to send slope table
+ * @param table_nr index of the slope table in ASIC memory
+ * Must be in the [0-4] range.
+ * @param slope_table pointer to 16 bit values array of the slope table
+ * @param steps number of elemnts in the slope table
+ */
+static SANE_Status
+gl124_send_slope_table (Genesys_Device * dev, int table_nr,
+ uint16_t * slope_table, int steps)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ int i;
+ char msg[10000];
+
+ DBG (DBG_proc, "%s (table_nr = %d, steps = %d)\n", __func__,
+ table_nr, steps);
+
+ /* sanity check */
+ if(table_nr<0 || table_nr>4)
+ {
+ DBG (DBG_error, "%s: invalid table number %d!\n", __func__, table_nr);
+ return SANE_STATUS_INVAL;
+ }
+
+ std::vector<uint8_t> table(steps * 2);
+ for (i = 0; i < steps; i++)
+ {
+ table[i * 2] = slope_table[i] & 0xff;
+ table[i * 2 + 1] = slope_table[i] >> 8;
+ }
+
+ if (DBG_LEVEL >= DBG_io)
+ {
+ sprintf (msg, "write slope %d (%d)=", table_nr, steps);
+ for (i = 0; i < steps; i++)
+ {
+ sprintf (msg+strlen(msg), ",%d", slope_table[i]);
+ }
+ DBG (DBG_io, "%s: %s\n", __func__, msg);
+ }
+
+ /* slope table addresses are fixed */
+ status = sanei_genesys_write_ahb(dev, 0x10000000 + 0x4000 * table_nr, steps * 2, table.data());
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "%s: write to AHB failed writing slope table %d (%s)\n",
+ __func__, table_nr, sane_strstatus (status));
+ }
+
+ DBGCOMPLETED;
+ return status;
+}
+
+/** @brief * Set register values of 'special' ti type frontend
+ * Registers value are taken from the frontend register data
+ * set.
+ * @param dev device owning the AFE
+ * @param set flag AFE_INIT to specify the AFE must be reset before writing data
+ * */
+static SANE_Status
+gl124_set_ti_fe (Genesys_Device * dev, uint8_t set)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ int i;
+
+ DBGSTART;
+ if (set == AFE_INIT)
+ {
+ DBG (DBG_proc, "%s: setting DAC %u\n", __func__, dev->model->dac_type);
+
+ dev->frontend = dev->frontend_initial;
+ }
+
+ /* start writing to DAC */
+ status = sanei_genesys_fe_write_data (dev, 0x00, 0x80);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to write reg0: %s\n", __func__,
+ sane_strstatus (status));
+ return status;
+ }
+
+ /* write values to analog frontend */
+ for (uint16_t addr = 0x01; addr < 0x04; addr++)
+ {
+ status = sanei_genesys_fe_write_data(dev, addr, dev->frontend.regs.get_value(addr));
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to write reg %d: %s\n", __func__, addr,
+ sane_strstatus(status));
+ return status;
+ }
+ }
+
+ status = sanei_genesys_fe_write_data (dev, 0x04, 0x00);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to write reg4: %s\n", __func__,
+ sane_strstatus (status));
+ return status;
+ }
+
+ /* these are not really sign for this AFE */
+ for (i = 0; i < 3; i++)
+ {
+ status = sanei_genesys_fe_write_data(dev, 0x05 + i, dev->frontend.regs.get_value(0x24 + i));
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "%s: failed to write reg %d: %s\n", __func__, i+5,
+ sane_strstatus (status));
+ return status;
+ }
+ }
+
+ /* close writing to DAC */
+ if(dev->model->dac_type == DAC_CANONLIDE120)
+ {
+ status = sanei_genesys_fe_write_data (dev, 0x00, 0x01);
+ }
+ else
+ {
+ status = sanei_genesys_fe_write_data (dev, 0x00, 0x11);
+ }
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to write reg0: %s\n", __func__,
+ sane_strstatus (status));
+ return status;
+ }
+
+ DBGCOMPLETED;
+
+ return status;
+}
+
+
+/* Set values of analog frontend */
+static SANE_Status
+gl124_set_fe(Genesys_Device * dev, const Genesys_Sensor& sensor, uint8_t set)
+{
+ (void) sensor;
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint8_t val;
+
+ DBG(DBG_proc, "%s (%s)\n", __func__, set == AFE_INIT ? "init" : set == AFE_SET ? "set" : set ==
+ AFE_POWER_SAVE ? "powersave" : "huh?");
+
+ if (set == AFE_INIT)
+ {
+ DBG(DBG_proc, "%s(): setting DAC %u\n", __func__, dev->model->dac_type);
+ dev->frontend = dev->frontend_initial;
+ }
+
+ RIE (sanei_genesys_read_register (dev, REG0A, &val));
+
+ /* route to correct analog FE */
+ switch ((val & REG0A_SIFSEL)>>REG0AS_SIFSEL)
+ {
+ case 3:
+ status=gl124_set_ti_fe (dev, set);
+ break;
+ case 0:
+ case 1:
+ case 2:
+ default:
+ DBG(DBG_error, "%s: unsupported analog FE 0x%02x\n", __func__, val);
+ status=SANE_STATUS_INVAL;
+ break;
+ }
+
+ DBGCOMPLETED;
+ return status;
+}
+
+
+/**@brief compute exposure to use
+ * compute the sensor exposure based on target resolution
+ * @param dev pointer to device description
+ * @param xres sensor's required resolution
+ * @param half_ccd flag for half ccd mode
+ */
+static int gl124_compute_exposure(Genesys_Device *dev, int xres, int half_ccd)
+{
+ Sensor_Profile* sensor_profile = get_sensor_profile(dev->model->ccd_type, xres, half_ccd);
+ return sensor_profile->exposure;
+}
+
+
+static SANE_Status
+gl124_init_motor_regs_scan (Genesys_Device * dev,
+ const Genesys_Sensor& sensor,
+ Genesys_Register_Set * reg,
+ unsigned int scan_exposure_time,
+ float scan_yres,
+ int scan_step_type,
+ unsigned int scan_lines,
+ unsigned int scan_dummy,
+ unsigned int feed_steps,
+ ScanColorMode scan_mode,
+ unsigned int flags)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ int use_fast_fed;
+ unsigned int lincnt, fast_dpi;
+ uint16_t scan_table[SLOPE_TABLE_SIZE];
+ uint16_t fast_table[SLOPE_TABLE_SIZE];
+ int scan_steps,fast_steps,factor;
+ unsigned int feedl,dist;
+ uint32_t z1, z2;
+ float yres;
+ int min_speed;
+ unsigned int linesel;
+
+ DBGSTART;
+ DBG(DBG_info, "%s : scan_exposure_time=%d, scan_yres=%g, scan_step_type=%d, scan_lines=%d, "
+ "scan_dummy=%d, feed_steps=%d, scan_mode=%d, flags=%x\n", __func__, scan_exposure_time,
+ scan_yres, scan_step_type, scan_lines, scan_dummy, feed_steps,
+ static_cast<unsigned>(scan_mode), flags);
+
+ /* we never use fast fed since we do manual feed for the scans */
+ use_fast_fed=0;
+ factor=1;
+
+ /* enforce motor minimal scan speed
+ * @TODO extend motor struct for this value */
+ if (scan_mode == ScanColorMode::COLOR_SINGLE_PASS)
+ {
+ min_speed = 900;
+ }
+ else
+ {
+ switch(dev->model->motor_type)
+ {
+ case MOTOR_CANONLIDE110:
+ min_speed = 600;
+ break;
+ case MOTOR_CANONLIDE120:
+ min_speed = 900;
+ break;
+ default:
+ min_speed = 900;
+ break;
+ }
+ }
+
+ /* compute min_speed and linesel */
+ if(scan_yres<min_speed)
+ {
+ yres=min_speed;
+ linesel=yres/scan_yres-1;
+ /* limit case, we need a linesel > 0 */
+ if(linesel==0)
+ {
+ linesel=1;
+ yres=scan_yres*2;
+ }
+ }
+ else
+ {
+ yres=scan_yres;
+ linesel=0;
+ }
+
+ DBG (DBG_io2, "%s: final yres=%f, linesel=%d\n", __func__, yres, linesel);
+
+ lincnt=scan_lines*(linesel+1);
+ sanei_genesys_set_triple(reg,REG_LINCNT,lincnt);
+ DBG (DBG_io, "%s: lincnt=%d\n", __func__, lincnt);
+
+ /* compute register 02 value */
+ uint8_t r02 = REG02_NOTHOME;
+
+ if (use_fast_fed) {
+ r02 |= REG02_FASTFED;
+ } else {
+ r02 &= ~REG02_FASTFED;
+ }
+
+ if (flags & MOTOR_FLAG_AUTO_GO_HOME)
+ r02 |= REG02_AGOHOME;
+
+ if ((flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE)
+ ||(yres>=sensor.optical_res))
+ {
+ r02 |= REG02_ACDCDIS;
+ }
+
+ reg->set8(REG02, r02);
+ sanei_genesys_set_motor_power(*reg, true);
+
+ /* SCANFED */
+ sanei_genesys_set_double(reg,REG_SCANFED,4);
+
+ /* scan and backtracking slope table */
+ sanei_genesys_slope_table(scan_table,
+ &scan_steps,
+ yres,
+ scan_exposure_time,
+ dev->motor.base_ydpi,
+ scan_step_type,
+ factor,
+ dev->model->motor_type,
+ motors);
+ RIE(gl124_send_slope_table (dev, SCAN_TABLE, scan_table, scan_steps));
+ RIE(gl124_send_slope_table (dev, BACKTRACK_TABLE, scan_table, scan_steps));
+
+ /* STEPNO */
+ sanei_genesys_set_double(reg,REG_STEPNO,scan_steps);
+
+ /* fast table */
+ fast_dpi=yres;
+
+ /*
+ if (scan_mode != ScanColorMode::COLOR_SINGLE_PASS)
+ {
+ fast_dpi*=3;
+ }
+ */
+ sanei_genesys_slope_table(fast_table,
+ &fast_steps,
+ fast_dpi,
+ scan_exposure_time,
+ dev->motor.base_ydpi,
+ scan_step_type,
+ factor,
+ dev->model->motor_type,
+ motors);
+ RIE(gl124_send_slope_table (dev, STOP_TABLE, fast_table, fast_steps));
+ RIE(gl124_send_slope_table (dev, FAST_TABLE, fast_table, fast_steps));
+
+ /* FASTNO */
+ sanei_genesys_set_double(reg,REG_FASTNO,fast_steps);
+
+ /* FSHDEC */
+ sanei_genesys_set_double(reg,REG_FSHDEC,fast_steps);
+
+ /* FMOVNO */
+ sanei_genesys_set_double(reg,REG_FMOVNO,fast_steps);
+
+ /* substract acceleration distance from feedl */
+ feedl=feed_steps;
+ feedl<<=scan_step_type;
+
+ dist = scan_steps;
+ if (flags & MOTOR_FLAG_FEED)
+ dist *=2;
+ if (use_fast_fed)
+ {
+ dist += fast_steps*2;
+ }
+ DBG (DBG_io2, "%s: acceleration distance=%d\n", __func__, dist);
+
+ /* get sure we don't use insane value */
+ if(dist<feedl)
+ feedl -= dist;
+ else
+ feedl = 0;
+
+ sanei_genesys_set_triple(reg,REG_FEEDL,feedl);
+ DBG (DBG_io, "%s: feedl=%d\n", __func__, feedl);
+
+ /* doesn't seem to matter that much */
+ sanei_genesys_calculate_zmode2 (use_fast_fed,
+ scan_exposure_time,
+ scan_table,
+ scan_steps,
+ feedl,
+ scan_steps,
+ &z1,
+ &z2);
+
+ sanei_genesys_set_triple(reg, REG_Z1MOD,z1);
+ DBG(DBG_info, "%s: z1 = %d\n", __func__, z1);
+
+ sanei_genesys_set_triple(reg, REG_Z2MOD, z2);
+ DBG(DBG_info, "%s: z2 = %d\n", __func__, z2);
+
+ /* LINESEL */
+ reg->set8_mask(REG1D, linesel, REG1D_LINESEL);
+ reg->set8(REGA0, (scan_step_type << REGA0S_STEPSEL) | (scan_step_type << REGA0S_FSTPSEL));
+
+ /* FMOVDEC */
+ sanei_genesys_set_double(reg,REG_FMOVDEC,fast_steps);
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+
+/** @brief copy sensor specific settings
+ * Set up register set for the given sensor resolution. Values are from the device table
+ * in genesys_devices.c for registers:
+ * [0x16 ... 0x1d]
+ * [0x52 ... 0x5e]
+ * Other come from the specific device sensor table in genesys_gl124.h:
+ * 0x18, 0x20, 0x61, 0x98 and
+ * @param dev device to set up
+ * @param regs register set to modify
+ * @param dpi resolution of the sensor during scan
+ * @param half_ccd flag for half ccd mode
+ * */
+static void gl124_setup_sensor(Genesys_Device * dev,
+ const Genesys_Sensor& sensor,
+ Genesys_Register_Set * regs, int dpi, int half_ccd)
+{
+ int dpihw;
+ uint32_t exp;
+
+ DBGSTART;
+
+ // we start at 6, 0-5 is a 16 bits cache for exposure
+ for (uint16_t addr = 0x16; addr < 0x1e; addr++) {
+ regs->set8(addr, sensor.custom_regs.get_value(addr));
+ }
+
+ // skip writing 5d,5e which is AFE address because
+ // they are not defined in register set */
+ for (uint16_t addr = 0x52; addr < 0x52 + 11; addr++) {
+ regs->set8(addr, sensor.custom_regs.get_value(addr));
+ }
+
+ /* set EXPDUMMY and CKxMAP */
+ dpihw = sanei_genesys_compute_dpihw(dev, sensor, dpi);
+ Sensor_Profile* sensor_profile = get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd);
+
+ regs->set8(0x18, sensor_profile->reg18);
+ regs->set8(0x20, sensor_profile->reg20);
+ regs->set8(0x61, sensor_profile->reg61);
+ regs->set8(0x98, sensor_profile->reg98);
+ if (sensor_profile->reg16 != 0) {
+ regs->set8(0x16, sensor_profile->reg16);
+ }
+ if (sensor_profile->reg70 != 0) {
+ regs->set8(0x70, sensor_profile->reg70);
+ }
+
+
+ sanei_genesys_set_triple(regs,REG_SEGCNT,sensor_profile->segcnt);
+ sanei_genesys_set_double(regs,REG_TG0CNT,sensor_profile->tg0cnt);
+ sanei_genesys_set_double(regs,REG_EXPDMY,sensor_profile->expdummy);
+
+ /* if no calibration has been done, set default values for exposures */
+ exp = sensor.exposure.red;
+ if(exp==0)
+ {
+ exp=sensor_profile->expr;
+ }
+ sanei_genesys_set_triple(regs,REG_EXPR,exp);
+
+ exp =sensor.exposure.green;
+ if(exp==0)
+ {
+ exp=sensor_profile->expg;
+ }
+ sanei_genesys_set_triple(regs,REG_EXPG,exp);
+
+ exp = sensor.exposure.blue;
+ if(exp==0)
+ {
+ exp=sensor_profile->expb;
+ }
+ sanei_genesys_set_triple(regs,REG_EXPB,exp);
+
+ sanei_genesys_set_triple(regs,REG_CK1MAP,sensor_profile->ck1map);
+ sanei_genesys_set_triple(regs,REG_CK3MAP,sensor_profile->ck3map);
+ sanei_genesys_set_triple(regs,REG_CK4MAP,sensor_profile->ck4map);
+
+ /* order of the sub-segments */
+ dev->order=sensor_profile->order;
+
+ DBGCOMPLETED;
+}
+
+/** @brief setup optical related registers
+ * start and pixels are expressed in optical sensor resolution coordinate
+ * space.
+ * @param dev scanner device to use
+ * @param reg registers to set up
+ * @param exposure_time exposure time to use
+ * @param used_res scanning resolution used, may differ from
+ * scan's one
+ * @param start logical start pixel coordinate
+ * @param pixels logical number of pixels to use
+ * @param channels number of color channels (currently 1 or 3)
+ * @param depth bit depth of the scan (1, 8 or 16)
+ * @param half_ccd SANE_TRUE if sensor's timings are such that x coordinates
+ * must be halved
+ * @param color_filter color channel to use as gray data
+ * @param flags optical flags (@see )
+ * @return SANE_STATUS_GOOD if OK
+ */
+static SANE_Status
+gl124_init_optical_regs_scan (Genesys_Device * dev,
+ const Genesys_Sensor& sensor,
+ Genesys_Register_Set * reg,
+ unsigned int exposure_time,
+ int used_res,
+ unsigned int start,
+ unsigned int pixels,
+ int channels,
+ int depth,
+ SANE_Bool half_ccd,
+ ColorFilter color_filter,
+ int flags)
+{
+ unsigned int words_per_line, segcnt;
+ unsigned int startx, endx, used_pixels, segnb;
+ unsigned int dpiset, cksel, dpihw, factor;
+ unsigned int bytes;
+ GenesysRegister *r;
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint32_t expmax, exp;
+
+ DBG(DBG_proc, "%s : exposure_time=%d, used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, "
+ "half_ccd=%d, flags=%x\n", __func__, exposure_time, used_res, start, pixels, channels, depth,
+ half_ccd, flags);
+
+ /* resolution is divided according to CKSEL */
+ r = sanei_genesys_get_address (reg, REG18);
+ cksel= (r->value & REG18_CKSEL)+1;
+ DBG (DBG_io2, "%s: cksel=%d\n", __func__, cksel);
+
+ /* to manage high resolution device while keeping good
+ * low resolution scanning speed, we make hardware dpi vary */
+ dpihw=sanei_genesys_compute_dpihw(dev, sensor, used_res * cksel);
+ factor=sensor.optical_res/dpihw;
+ DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor);
+
+ /* sensor parameters */
+ gl124_setup_sensor(dev, sensor, reg, dpihw, half_ccd);
+ dpiset = used_res * cksel;
+
+ /* start and end coordinate in optical dpi coordinates */
+ /* startx = start/cksel + sensor.dummy_pixel; XXX STEF XXX */
+ startx = start/cksel;
+ used_pixels=pixels/cksel;
+ endx = startx + used_pixels;
+
+ /* pixel coordinate factor correction when used dpihw is not maximal one */
+ startx/=factor;
+ endx/=factor;
+ used_pixels=endx-startx;
+
+ status = gl124_set_fe(dev, sensor, AFE_SET);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to set frontend: %s\n", __func__,
+ sane_strstatus (status));
+ return status;
+ }
+
+ /* enable shading */
+ r = sanei_genesys_get_address (reg, REG01);
+ r->value &= ~REG01_SCAN;
+ if ((flags & OPTICAL_FLAG_DISABLE_SHADING) ||
+ (dev->model->flags & GENESYS_FLAG_NO_CALIBRATION))
+ {
+ r->value &= ~REG01_DVDSET;
+ }
+ else
+ {
+ r->value |= REG01_DVDSET;
+ }
+ r->value &= ~REG01_SCAN;
+
+ r = sanei_genesys_get_address (reg, REG03);
+ if((dev->model->ccd_type!=CIS_CANONLIDE120)&&(used_res>=600))
+ {
+ r->value &= ~REG03_AVEENB;
+ DBG (DBG_io, "%s: disabling AVEENB\n", __func__);
+ }
+ else
+ {
+ r->value |= ~REG03_AVEENB;
+ DBG (DBG_io, "%s: enabling AVEENB\n", __func__);
+ }
+
+ sanei_genesys_set_lamp_power(dev, sensor, *reg, !(flags & OPTICAL_FLAG_DISABLE_LAMP));
+
+ /* BW threshold */
+ RIE (sanei_genesys_write_register (dev, REG114, dev->settings.threshold));
+ RIE (sanei_genesys_write_register (dev, REG115, dev->settings.threshold));
+
+ /* monochrome / color scan */
+ r = sanei_genesys_get_address (reg, REG04);
+ switch (depth)
+ {
+ case 1:
+ r->value &= ~REG04_BITSET;
+ r->value |= REG04_LINEART;
+ break;
+ case 8:
+ r->value &= ~(REG04_LINEART | REG04_BITSET);
+ break;
+ case 16:
+ r->value &= ~REG04_LINEART;
+ r->value |= REG04_BITSET;
+ break;
+ }
+
+ r->value &= ~REG04_FILTER;
+ if (channels == 1)
+ {
+ switch (color_filter)
+ {
+ case ColorFilter::RED:
+ r->value |= 0x10;
+ break;
+ case ColorFilter::BLUE:
+ r->value |= 0x30;
+ break;
+ case ColorFilter::GREEN:
+ r->value |= 0x20;
+ break;
+ default:
+ break; // should not happen
+ }
+ }
+
+ /* register 05 */
+ r = sanei_genesys_get_address (reg, REG05);
+
+ /* set up dpihw */
+ r->value &= ~REG05_DPIHW;
+ switch(dpihw)
+ {
+ case 600:
+ r->value |= REG05_DPIHW_600;
+ break;
+ case 1200:
+ r->value |= REG05_DPIHW_1200;
+ break;
+ case 2400:
+ r->value |= REG05_DPIHW_2400;
+ break;
+ case 4800:
+ r->value |= REG05_DPIHW_4800;
+ break;
+ }
+
+ /* enable gamma tables */
+ if (flags & OPTICAL_FLAG_DISABLE_GAMMA)
+ r->value &= ~REG05_GMMENB;
+ else
+ r->value |= REG05_GMMENB;
+
+ if(half_ccd)
+ {
+ sanei_genesys_set_double(reg,REG_DPISET,dpiset*2);
+ DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset*2);
+ }
+ else
+ {
+ sanei_genesys_set_double(reg,REG_DPISET,dpiset);
+ DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset);
+ }
+
+ r = sanei_genesys_get_address (reg, REG06);
+ r->value |= REG06_GAIN4;
+
+ /* CIS scanners can do true gray by setting LEDADD */
+ /* we set up LEDADD only when asked */
+ if (dev->model->is_cis == SANE_TRUE)
+ {
+ r = sanei_genesys_get_address (reg, REG60);
+ r->value &= ~REG60_LEDADD;
+ if (channels == 1 && (flags & OPTICAL_FLAG_ENABLE_LEDADD))
+ {
+ r->value |= REG60_LEDADD;
+ sanei_genesys_get_triple(reg,REG_EXPR,&expmax);
+ sanei_genesys_get_triple(reg,REG_EXPG,&exp);
+ if(exp>expmax)
+ {
+ expmax=exp;
+ }
+ sanei_genesys_get_triple(reg,REG_EXPB,&exp);
+ if(exp>expmax)
+ {
+ expmax=exp;
+ }
+ sanei_genesys_set_triple(&dev->reg,REG_EXPR,expmax);
+ sanei_genesys_set_triple(&dev->reg,REG_EXPG,expmax);
+ sanei_genesys_set_triple(&dev->reg,REG_EXPB,expmax);
+ }
+ /* RGB weighting, REG_TRUER,G and B are to be set */
+ r = sanei_genesys_get_address (reg, 0x01);
+ r->value &= ~REG01_TRUEGRAY;
+ if (channels == 1 && (flags & OPTICAL_FLAG_ENABLE_LEDADD))
+ {
+ r->value |= REG01_TRUEGRAY;
+ sanei_genesys_write_register (dev, REG_TRUER, 0x80);
+ sanei_genesys_write_register (dev, REG_TRUEG, 0x80);
+ sanei_genesys_write_register (dev, REG_TRUEB, 0x80);
+ }
+ }
+
+ /* segment number */
+ r = sanei_genesys_get_address (reg, 0x98);
+ segnb = r->value & 0x0f;
+
+ sanei_genesys_set_triple(reg,REG_STRPIXEL,startx/segnb);
+ DBG (DBG_io2, "%s: strpixel used=%d\n", __func__, startx/segnb);
+ sanei_genesys_get_triple(reg,REG_SEGCNT,&segcnt);
+ if(endx/segnb==segcnt)
+ {
+ endx=0;
+ }
+ sanei_genesys_set_triple(reg,REG_ENDPIXEL,endx/segnb);
+ DBG (DBG_io2, "%s: endpixel used=%d\n", __func__, endx/segnb);
+
+ /* words(16bit) before gamma, conversion to 8 bit or lineart */
+ words_per_line = (used_pixels * dpiset) / dpihw;
+ bytes = depth / 8;
+ if (depth == 1)
+ {
+ words_per_line = (words_per_line >> 3) + ((words_per_line & 7) ? 1 : 0);
+ }
+ else
+ {
+ words_per_line *= bytes;
+ }
+
+ dev->bpl = words_per_line;
+ dev->cur = 0;
+ dev->skip = 0;
+ dev->len = dev->bpl/segnb;
+ dev->dist = dev->bpl/segnb;
+ dev->segnb = segnb;
+ dev->line_count = 0;
+ dev->line_interp = 0;
+
+ DBG (DBG_io2, "%s: used_pixels =%d\n", __func__, used_pixels);
+ DBG (DBG_io2, "%s: pixels =%d\n", __func__, pixels);
+ DBG (DBG_io2, "%s: depth =%d\n", __func__, depth);
+ DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long)dev->bpl);
+ DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len);
+ DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist);
+ DBG (DBG_io2, "%s: dev->line_interp=%lu\n", __func__, (unsigned long)dev->line_interp);
+
+ words_per_line *= channels;
+ dev->wpl = words_per_line;
+
+ /* allocate buffer for odd/even pixels handling */
+ dev->oe_buffer.clear();
+ dev->oe_buffer.alloc(dev->wpl);
+
+ /* MAXWD is expressed in 2 words unit */
+ sanei_genesys_set_triple(reg,REG_MAXWD,(words_per_line));
+ DBG (DBG_io2, "%s: words_per_line used=%d\n", __func__, words_per_line);
+
+ sanei_genesys_set_triple(reg,REG_LPERIOD,exposure_time);
+ DBG (DBG_io2, "%s: exposure_time used=%d\n", __func__, exposure_time);
+
+ sanei_genesys_set_double(reg,REG_DUMMY,sensor.dummy_pixel);
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+/** set up registers for an actual scan
+ *
+ * this function sets up the scanner to scan in normal or single line mode
+ */
+static SANE_Status
+gl124_init_scan_regs(Genesys_Device * dev, const Genesys_Sensor& sensor, Genesys_Register_Set* reg,
+ SetupParams& params)
+{
+ params.assert_valid();
+
+ int used_res;
+ int start, used_pixels;
+ int bytes_per_line;
+ int move;
+ unsigned int lincnt;
+ unsigned int oflags, mflags; /**> optical and motor flags */
+ int exposure_time;
+ int stagger;
+
+ int dummy = 0;
+ int slope_dpi = 0;
+ int scan_step_type = 1;
+ int max_shift;
+ size_t requested_buffer_size, read_buffer_size;
+
+ SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
+ unsigned optical_res;
+ SANE_Status status = SANE_STATUS_GOOD;
+
+ DBG(DBG_info, "%s ", __func__);
+ debug_dump(DBG_info, params);
+
+ half_ccd=compute_half_ccd(sensor, params.xres);
+
+ /* optical_res */
+ optical_res = sensor.optical_res;
+ if (half_ccd)
+ optical_res /= 2;
+ DBG (DBG_info, "%s: optical_res=%d\n", __func__, optical_res);
+
+ /* stagger */
+ if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
+ stagger = (4 * params.yres) / dev->motor.base_ydpi;
+ else
+ stagger = 0;
+ DBG (DBG_info, "gl124_init_scan_regs : stagger=%d lines\n", stagger);
+
+ /** @brief compute used resolution */
+ if (params.flags & SCAN_FLAG_USE_OPTICAL_RES)
+ {
+ used_res = optical_res;
+ }
+ else
+ {
+ /* resolution is choosen from a fixed list and can be used directly,
+ * unless we have ydpi higher than sensor's maximum one */
+ if(params.xres>optical_res)
+ used_res=optical_res;
+ else
+ used_res = params.xres;
+ }
+
+ /* compute scan parameters values */
+ /* pixels are allways given at full optical resolution */
+ /* use detected left margin and fixed value */
+ /* start */
+ /* add x coordinates */
+ start = params.startx;
+
+ if (stagger > 0)
+ start |= 1;
+
+ /* compute correct pixels number */
+ used_pixels = (params.pixels * optical_res) / params.xres;
+ DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels);
+
+ /* round up pixels number if needed */
+ if (used_pixels * params.xres < params.pixels * optical_res)
+ used_pixels++;
+
+ /* we want even number of pixels here */
+ if(used_pixels & 1)
+ used_pixels++;
+
+ /* slope_dpi */
+ /* cis color scan is effectively a gray scan with 3 gray lines per color line and a FILTER of 0 */
+ if (dev->model->is_cis)
+ slope_dpi = params.yres * params.channels;
+ else
+ slope_dpi = params.yres;
+
+ /* scan_step_type */
+ if(params.flags & SCAN_FLAG_FEEDING)
+ {
+ scan_step_type=0;
+ exposure_time=MOVE_EXPOSURE;
+ }
+ else
+ {
+ exposure_time = gl124_compute_exposure (dev, used_res, half_ccd);
+ scan_step_type = sanei_genesys_compute_step_type(motors, dev->model->motor_type, exposure_time);
+ }
+
+ DBG(DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time);
+ DBG(DBG_info, "%s : scan_step_type=%d\n", __func__, scan_step_type);
+
+ /*** optical parameters ***/
+ /* in case of dynamic lineart, we use an internal 8 bit gray scan
+ * to generate 1 lineart data */
+ if (params.flags & SCAN_FLAG_DYNAMIC_LINEART) {
+ params.depth = 8;
+ }
+
+ /* we enable true gray for cis scanners only, and just when doing
+ * scan since color calibration is OK for this mode
+ */
+ oflags = 0;
+ if (params.flags & SCAN_FLAG_DISABLE_SHADING)
+ oflags |= OPTICAL_FLAG_DISABLE_SHADING;
+ if (params.flags & SCAN_FLAG_DISABLE_GAMMA)
+ oflags |= OPTICAL_FLAG_DISABLE_GAMMA;
+ if (params.flags & SCAN_FLAG_DISABLE_LAMP)
+ oflags |= OPTICAL_FLAG_DISABLE_LAMP;
+ if (params.flags & SCAN_FLAG_CALIBRATION)
+ oflags |= OPTICAL_FLAG_DISABLE_DOUBLE;
+
+ if (dev->model->is_cis && dev->settings.true_gray)
+ {
+ oflags |= OPTICAL_FLAG_ENABLE_LEDADD;
+ }
+
+ /* now _LOGICAL_ optical values used are known, setup registers */
+ status = gl124_init_optical_regs_scan (dev,
+ sensor,
+ reg,
+ exposure_time,
+ used_res,
+ start,
+ used_pixels,
+ params.channels,
+ params.depth,
+ half_ccd,
+ params.color_filter,
+ oflags);
+ if (status != SANE_STATUS_GOOD)
+ return status;
+
+ /*** motor parameters ***/
+
+ /* max_shift */
+ max_shift=sanei_genesys_compute_max_shift(dev,params.channels,params.yres,params.flags);
+
+ /* lines to scan */
+ lincnt = params.lines + max_shift + stagger;
+
+ /* add tl_y to base movement */
+ move = params.starty;
+ DBG(DBG_info, "%s: move=%d steps\n", __func__, move);
+
+ mflags=0;
+ if(params.flags & SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE)
+ mflags|=MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE;
+ if(params.flags & SCAN_FLAG_FEEDING)
+ mflags|=MOTOR_FLAG_FEED;
+
+ status = gl124_init_motor_regs_scan (dev, sensor,
+ reg,
+ exposure_time,
+ slope_dpi,
+ scan_step_type,
+ dev->model->is_cis ? lincnt * params.channels : lincnt,
+ dummy,
+ move,
+ params.scan_mode,
+ mflags);
+ if (status != SANE_STATUS_GOOD)
+ return status;
+
+ /*** prepares data reordering ***/
+
+ /* words_per_line */
+ bytes_per_line = (used_pixels * used_res) / optical_res;
+ bytes_per_line = (bytes_per_line * params.channels * params.depth) / 8;
+
+ /* since we don't have sheetfed scanners to handle,
+ * use huge read buffer */
+ /* TODO find the best size according to settings */
+ requested_buffer_size = 16 * bytes_per_line;
+
+ read_buffer_size =
+ 2 * requested_buffer_size +
+ ((max_shift + stagger) * used_pixels * params.channels * params.depth) / 8;
+
+ dev->read_buffer.clear();
+ dev->read_buffer.alloc(read_buffer_size);
+
+ dev->lines_buffer.clear();
+ dev->lines_buffer.alloc(read_buffer_size);
+
+ dev->shrink_buffer.clear();
+ dev->shrink_buffer.alloc(requested_buffer_size);
+
+ dev->out_buffer.clear();
+ dev->out_buffer.alloc((8 * dev->settings.pixels * params.channels * params.depth) / 8);
+
+ dev->read_bytes_left = bytes_per_line * lincnt;
+
+ DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left);
+ dev->read_active = SANE_TRUE;
+
+
+ dev->current_setup.params = params;
+ dev->current_setup.pixels = (used_pixels * used_res) / optical_res;
+ DBG(DBG_info, "%s: current_setup.pixels=%d\n", __func__, dev->current_setup.pixels);
+ dev->current_setup.lines = lincnt;
+ dev->current_setup.depth = params.depth;
+ dev->current_setup.channels = params.channels;
+ dev->current_setup.exposure_time = exposure_time;
+ dev->current_setup.xres = used_res;
+ dev->current_setup.yres = params.yres;
+ dev->current_setup.ccd_size_divisor = half_ccd ? 2 : 1;
+ dev->current_setup.stagger = stagger;
+ dev->current_setup.max_shift = max_shift + stagger;
+
+ dev->total_bytes_read = 0;
+ if (params.depth == 1)
+ dev->total_bytes_to_read =
+ ((dev->settings.pixels * dev->settings.lines) / 8 +
+ (((dev->settings.pixels * dev->settings.lines) % 8) ? 1 : 0)) *
+ params.channels;
+ else
+ dev->total_bytes_to_read =
+ dev->settings.pixels * dev->settings.lines * params.channels * (params.depth / 8);
+
+ DBG(DBG_info, "%s: total bytes to send = %lu\n", __func__, (u_long) dev->total_bytes_to_read);
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+static void
+gl124_calculate_current_setup (Genesys_Device * dev, const Genesys_Sensor& sensor)
+{
+ int channels;
+ int depth;
+ int start;
+
+ int used_res;
+ int used_pixels;
+ unsigned int lincnt;
+ int exposure_time;
+ int stagger;
+ SANE_Bool half_ccd;
+
+ int max_shift, dpihw;
+
+ int optical_res;
+
+ DBG(DBG_info, "%s ", __func__);
+ debug_dump(DBG_info, dev->settings);
+
+ /* channels */
+ if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS)
+ channels = 3;
+ else
+ channels = 1;
+
+ /* depth */
+ depth = dev->settings.depth;
+ if (dev->settings.scan_mode == ScanColorMode::LINEART)
+ depth = 1;
+
+ /* start */
+ start = SANE_UNFIX (dev->model->x_offset);
+ start += dev->settings.tl_x;
+ start = (start * sensor.optical_res) / MM_PER_INCH;
+
+ SetupParams params;
+ params.xres = dev->settings.xres;
+ params.yres = dev->settings.yres;
+ params.startx = start;
+ params.starty = 0; // not used
+ params.pixels = dev->settings.pixels;
+ params.lines = dev->settings.lines;
+ params.depth = depth;
+ params.channels = channels;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = dev->settings.scan_mode;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = 0;
+
+ half_ccd=compute_half_ccd(sensor, params.xres);
+
+ DBG(DBG_info, "%s ", __func__);
+ debug_dump(DBG_info, params);
+
+ /* optical_res */
+ optical_res = sensor.optical_res;
+
+ if (params.xres <= (unsigned) optical_res)
+ used_res = params.xres;
+ else
+ used_res=optical_res;
+
+ /* compute scan parameters values */
+ /* pixels are allways given at half or full CCD optical resolution */
+ /* use detected left margin and fixed value */
+
+ /* compute correct pixels number */
+ used_pixels = (params.pixels * optical_res) / params.xres;
+ DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels);
+
+ /* exposure */
+ exposure_time = gl124_compute_exposure (dev, params.xres, half_ccd);
+ DBG (DBG_info, "%s : exposure_time=%d pixels\n", __func__, exposure_time);
+
+ /* max_shift */
+ max_shift=sanei_genesys_compute_max_shift(dev, params.channels, params.yres, 0);
+
+ /* compute hw dpi for sensor */
+ dpihw=sanei_genesys_compute_dpihw(dev, sensor,used_res);
+
+ Sensor_Profile* sensor_profile = get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd);
+ dev->segnb=sensor_profile->reg98 & 0x0f;
+
+ /* stagger */
+ if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
+ stagger = (4 * params.yres) / dev->motor.base_ydpi;
+ else
+ stagger = 0;
+ DBG (DBG_info, "%s: stagger=%d lines\n", __func__, stagger);
+
+ /* lincnt */
+ lincnt = params.lines + max_shift + stagger;
+
+ dev->current_setup.params = params;
+ dev->current_setup.pixels = (used_pixels * used_res) / optical_res;
+ DBG (DBG_info, "%s: current_setup.pixels=%d\n", __func__, dev->current_setup.pixels);
+ dev->current_setup.lines = lincnt;
+ dev->current_setup.depth = params.depth;
+ dev->current_setup.channels = params.channels;
+ dev->current_setup.exposure_time = exposure_time;
+ dev->current_setup.xres = used_res;
+ dev->current_setup.yres = params.yres;
+ dev->current_setup.ccd_size_divisor = half_ccd ? 2 : 1;
+ dev->current_setup.stagger = stagger;
+ dev->current_setup.max_shift = max_shift + stagger;
+
+ DBGCOMPLETED;
+}
+
+/**
+ * for fast power saving methods only, like disabling certain amplifiers
+ * @param dev device to use
+ * @param enable true to set inot powersaving
+ * */
+static SANE_Status
+gl124_save_power (Genesys_Device * dev, SANE_Bool enable)
+{
+ DBG(DBG_proc, "%s: enable = %d\n", __func__, enable);
+ if (dev == NULL)
+ return SANE_STATUS_INVAL;
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+static SANE_Status
+gl124_set_powersaving (Genesys_Device * dev, int delay /* in minutes */ )
+{
+ GenesysRegister *r;
+
+ DBG(DBG_proc, "%s (delay = %d)\n", __func__, delay);
+
+ r = sanei_genesys_get_address (&dev->reg, REG03);
+ r->value &= ~0xf0;
+ if(delay<15)
+ {
+ r->value |= delay;
+ }
+ else
+ {
+ r->value |= 0x0f;
+ }
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+static SANE_Status
+gl124_start_action (Genesys_Device * dev)
+{
+ return sanei_genesys_write_register (dev, 0x0f, 0x01);
+}
+
+static SANE_Status
+gl124_stop_action (Genesys_Device * dev)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint8_t val40, val;
+ unsigned int loop;
+
+ DBGSTART;
+
+ /* post scan gpio : without that HOMSNR is unreliable */
+ gl124_homsnr_gpio(dev);
+
+ status = sanei_genesys_get_status (dev, &val);
+ if (DBG_LEVEL >= DBG_io)
+ {
+ sanei_genesys_print_status (val);
+ }
+
+ status = sanei_genesys_read_register (dev, REG100, &val40);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to read reg100: %s\n", __func__, sane_strstatus(status));
+ DBGCOMPLETED;
+ return status;
+ }
+
+ /* only stop action if needed */
+ if (!(val40 & REG100_DATAENB) && !(val40 & REG100_MOTMFLG))
+ {
+ DBG (DBG_info, "%s: already stopped\n", __func__);
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+ }
+
+ /* ends scan */
+ val = dev->reg.get8(REG01);
+ val &= ~REG01_SCAN;
+ dev->reg.set8(REG01, val);
+ status = sanei_genesys_write_register (dev, REG01, val);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "%s: failed to write register 01: %s\n", __func__,
+ sane_strstatus (status));
+ return status;
+ }
+ sanei_genesys_sleep_ms(100);
+
+ loop = 10;
+ while (loop > 0)
+ {
+ status = sanei_genesys_get_status (dev, &val);
+ if (DBG_LEVEL >= DBG_io)
+ {
+ sanei_genesys_print_status (val);
+ }
+ status = sanei_genesys_read_register (dev, REG100, &val40);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "%s: failed to read home sensor: %s\n", __func__,
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
+
+ /* if scanner is in command mode, we are done */
+ if (!(val40 & REG100_DATAENB) && !(val40 & REG100_MOTMFLG)
+ && !(val & MOTORENB))
+ {
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+ }
+
+ sanei_genesys_sleep_ms(100);
+ loop--;
+ }
+
+ DBGCOMPLETED;
+ return SANE_STATUS_IO_ERROR;
+}
+
+
+/** @brief setup GPIOs for scan
+ * Setup GPIO values to drive motor (or light) needed for the
+ * target resolution
+ * @param *dev device to set up
+ * @param resolution dpi of the target scan
+ * @return SANE_STATUS_GOOD unless REG32 cannot be read
+ */
+static SANE_Status
+gl124_setup_scan_gpio(Genesys_Device *dev, int resolution)
+{
+SANE_Status status = SANE_STATUS_GOOD;
+uint8_t val;
+
+ DBGSTART;
+ RIE (sanei_genesys_read_register (dev, REG32, &val));
+
+ /* LiDE 110, 210 and 220 cases */
+ if(dev->model->gpo_type != GPO_CANONLIDE120)
+ {
+ if(resolution>=dev->motor.base_ydpi/2)
+ {
+ val &= 0xf7;
+ }
+ else if(resolution>=dev->motor.base_ydpi/4)
+ {
+ val &= 0xef;
+ }
+ else
+ {
+ val |= 0x10;
+ }
+ }
+ /* 120 : <=300 => 0x53 */
+ else
+ { /* base_ydpi is 4800 */
+ if(resolution<=300)
+ {
+ val &= 0xf7;
+ }
+ else if(resolution<=600)
+ {
+ val |= 0x08;
+ }
+ else if(resolution<=1200)
+ {
+ val &= 0xef;
+ val |= 0x08;
+ }
+ else
+ {
+ val &= 0xf7;
+ }
+ }
+ val |= 0x02;
+ RIE (sanei_genesys_write_register (dev, REG32, val));
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+/* Send the low-level scan command */
+/* todo : is this that useful ? */
+static SANE_Status
+gl124_begin_scan (Genesys_Device * dev, const Genesys_Sensor& sensor, Genesys_Register_Set * reg,
+ SANE_Bool start_motor)
+{
+ (void) sensor;
+
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint8_t val;
+
+ DBGSTART;
+ if (reg == NULL)
+ return SANE_STATUS_INVAL;
+
+ /* set up GPIO for scan */
+ RIE(gl124_setup_scan_gpio(dev,dev->settings.yres));
+
+ /* clear scan and feed count */
+ RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
+
+ /* enable scan and motor */
+ RIE (sanei_genesys_read_register (dev, REG01, &val));
+ val |= REG01_SCAN;
+ RIE (sanei_genesys_write_register (dev, REG01, val));
+
+ if (start_motor)
+ {
+ RIE (sanei_genesys_write_register (dev, REG0F, 1));
+ }
+ else
+ {
+ RIE (sanei_genesys_write_register (dev, REG0F, 0));
+ }
+
+ DBGCOMPLETED;
+ return status;
+}
+
+
+/* Send the stop scan command */
+static SANE_Status
+gl124_end_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
+ SANE_Bool check_stop)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+
+ DBG(DBG_proc, "%s (check_stop = %d)\n", __func__, check_stop);
+ if (reg == NULL)
+ return SANE_STATUS_INVAL;
+
+ if (dev->model->is_sheetfed == SANE_TRUE)
+ {
+ status = SANE_STATUS_GOOD;
+ }
+ else /* flat bed scanners */
+ {
+ status = gl124_stop_action (dev);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to stop: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+ }
+
+ DBGCOMPLETED;
+ return status;
+}
+
+
+/** rewind scan
+ * Move back by the same amount of distance than previous scan.
+ * @param dev device to rewind
+ * @returns SANE_STATUS_GOOD on success
+ */
+static
+SANE_Status gl124_rewind(Genesys_Device * dev)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint8_t byte;
+
+ DBGSTART;
+
+ /* set motor reverse */
+ RIE (sanei_genesys_read_register (dev, 0x02, &byte));
+ byte |= 0x04;
+ RIE (sanei_genesys_write_register(dev, 0x02, byte));
+
+ const auto& sensor = sanei_genesys_find_sensor_any(dev);
+
+ /* and start scan, then wait completion */
+ RIE (gl124_begin_scan (dev, sensor, &dev->reg, SANE_TRUE));
+ do
+ {
+ sanei_genesys_sleep_ms(100);
+ RIE (sanei_genesys_read_register (dev, REG100, &byte));
+ }
+ while(byte & REG100_MOTMFLG);
+ RIE (gl124_end_scan (dev, &dev->reg, SANE_TRUE));
+
+ /* restore direction */
+ RIE (sanei_genesys_read_register (dev, 0x02, &byte));
+ byte &= 0xfb;
+ RIE (sanei_genesys_write_register(dev, 0x02, byte));
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+
+/** Park head
+ * Moves the slider to the home (top) position slowly
+ * @param dev device to park
+ * @param wait_until_home true to make the function waiting for head
+ * to be home before returning, if fals returne immediately
+ * @returns SANE_STATUS_GOO on success */
+static
+SANE_Status
+gl124_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
+{
+ Genesys_Register_Set local_reg;
+ SANE_Status status = SANE_STATUS_GOOD;
+ GenesysRegister *r;
+ uint8_t val;
+ float resolution;
+ int loop = 0;
+
+ DBG(DBG_proc, "%s (wait_until_home = %d)\n", __func__, wait_until_home);
+
+ /* post scan gpio : without that HOMSNR is unreliable */
+ gl124_homsnr_gpio(dev);
+
+ /* first read gives HOME_SENSOR true */
+ status = sanei_genesys_get_status (dev, &val);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to read home sensor: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+ if (DBG_LEVEL >= DBG_io)
+ {
+ sanei_genesys_print_status (val);
+ }
+ sanei_genesys_sleep_ms(100);
+
+ /* second is reliable */
+ status = sanei_genesys_get_status (dev, &val);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to read home sensor: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+ if (DBG_LEVEL >= DBG_io)
+ {
+ sanei_genesys_print_status (val);
+ }
+
+ /* is sensor at home? */
+ if (val & HOMESNR)
+ {
+ DBG (DBG_info, "%s: already at home, completed\n", __func__);
+ dev->scanhead_position_in_steps = 0;
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+ }
+
+ /* feed a little first */
+ if (dev->model->model_id == MODEL_CANON_LIDE_210)
+ {
+ status = gl124_feed (dev, 20, SANE_TRUE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to do initial feed: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+ }
+
+ local_reg = dev->reg;
+ resolution=sanei_genesys_get_lowest_dpi(dev);
+
+ const auto& sensor = sanei_genesys_find_sensor_any(dev);
+
+ SetupParams params;
+ params.xres = resolution;
+ params.yres = resolution;
+ params.startx = 100;
+ params.starty = 30000;
+ params.pixels = 100;
+ params.lines = 100;
+ params.depth = 8;
+ params.channels = 1;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::GRAY;
+ params.color_filter = ColorFilter::RED;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ status = gl124_init_scan_regs(dev, sensor, &local_reg, params);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to set up registers: %s\n", __func__, sane_strstatus(status));
+ DBGCOMPLETED;
+ return status;
+ }
+
+ /* clear scan and feed count */
+ RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
+
+ /* set up for reverse and no scan */
+ r = sanei_genesys_get_address(&local_reg, REG02);
+ r->value |= REG02_MTRREV;
+
+ RIE (dev->model->cmd_set->bulk_write_register(dev, local_reg));
+
+ RIE(gl124_setup_scan_gpio(dev,resolution));
+
+ try {
+ status = gl124_start_action (dev);
+ } catch (...) {
+ DBG(DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus(status));
+ try {
+ gl124_stop_action (dev);
+ } catch (...) {}
+ try {
+ // restore original registers
+ dev->model->cmd_set->bulk_write_register(dev, dev->reg);
+ } catch (...) {}
+ throw;
+ }
+ if (status != SANE_STATUS_GOOD) {
+ DBG(DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus(status));
+ try {
+ gl124_stop_action (dev);
+ } catch (...) {}
+ /* restore original registers */
+ dev->model->cmd_set->bulk_write_register(dev, dev->reg);
+ return status;
+ }
+
+ /* post scan gpio : without that HOMSNR is unreliable */
+ gl124_homsnr_gpio(dev);
+
+ if (wait_until_home)
+ {
+
+ while (loop < 300) /* do not wait longer then 30 seconds */
+ {
+ status = sanei_genesys_get_status (dev, &val);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to read home sensor: %s\n", __func__,
+ sane_strstatus(status));
+ return status;
+ }
+
+ if (val & HOMESNR) /* home sensor */
+ {
+ DBG(DBG_info, "%s: reached home position\n", __func__);
+ DBGCOMPLETED;
+ dev->scanhead_position_in_steps = 0;
+ return SANE_STATUS_GOOD;
+ }
+ sanei_genesys_sleep_ms(100);
+ ++loop;
+ }
+
+ /* when we come here then the scanner needed too much time for this, so we better stop the motor */
+ gl124_stop_action (dev);
+ DBG(DBG_error, "%s: timeout while waiting for scanhead to go home\n", __func__);
+ return SANE_STATUS_IO_ERROR;
+ }
+
+ DBG(DBG_info, "%s: scanhead is still moving\n", __func__);
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+/** @brief moves the slider to steps at motor base dpi
+ * @param dev device to work on
+ * @param steps number of steps to move
+ * @param reverse true is moving backward
+ * */
+static SANE_Status
+gl124_feed (Genesys_Device * dev, unsigned int steps, int reverse)
+{
+ Genesys_Register_Set local_reg;
+ SANE_Status status = SANE_STATUS_GOOD;
+ GenesysRegister *r;
+ float resolution;
+ uint8_t val;
+
+ DBGSTART;
+ DBG (DBG_io, "%s: steps=%d\n", __func__, steps);
+
+ /* prepare local registers */
+ local_reg = dev->reg;
+
+ resolution=sanei_genesys_get_lowest_ydpi(dev);
+ const auto& sensor = sanei_genesys_find_sensor(dev, resolution);
+
+ SetupParams params;
+ params.xres = resolution;
+ params.yres = resolution;
+ params.startx = 0;
+ params.starty = steps;
+ params.pixels = 100;
+ params.lines = 3;
+ params.depth = 8;
+ params.channels = 3;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_FEEDING |
+ SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ status = gl124_init_scan_regs(dev, sensor, &local_reg, params);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to set up registers: %s\n", __func__, sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
+
+ /* set exposure to zero */
+ sanei_genesys_set_triple(&local_reg,REG_EXPR,0);
+ sanei_genesys_set_triple(&local_reg,REG_EXPG,0);
+ sanei_genesys_set_triple(&local_reg,REG_EXPB,0);
+
+ /* clear scan and feed count */
+ RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT));
+ RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRMCNT));
+
+ /* set up for no scan */
+ r = sanei_genesys_get_address (&local_reg, REG01);
+ r->value &= ~REG01_SCAN;
+
+ /* set up for reverse if needed */
+ if(reverse)
+ {
+ r = sanei_genesys_get_address (&local_reg, REG02);
+ r->value |= REG02_MTRREV;
+ }
+
+ /* send registers */
+ RIE (dev->model->cmd_set->bulk_write_register(dev, local_reg));
+
+ status = gl124_start_action (dev);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus (status));
+ gl124_stop_action (dev);
+
+ /* restore original registers */
+ dev->model->cmd_set->bulk_write_register(dev, dev->reg);
+ return status;
+ }
+
+ /* wait until feed count reaches the required value, but do not
+ * exceed 30s */
+ do
+ {
+ status = sanei_genesys_get_status (dev, &val);
+ }
+ while (status == SANE_STATUS_GOOD && !(val & FEEDFSH));
+
+ /* then stop scanning */
+ RIE(gl124_stop_action (dev));
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+
+/* Automatically set top-left edge of the scan area by scanning a 200x200 pixels
+ area at 600 dpi from very top of scanner */
+static SANE_Status
+gl124_search_start_position (Genesys_Device * dev)
+{
+ int size;
+ SANE_Status status = SANE_STATUS_GOOD;
+ Genesys_Register_Set local_reg = dev->reg;
+ int steps;
+
+ int pixels = 600;
+ int dpi = 300;
+
+ DBGSTART;
+
+ /* sets for a 200 lines * 600 pixels */
+ /* normal scan with no shading */
+
+ // FIXME: the current approach of doing search only for one resolution does not work on scanners
+ // whith employ different sensors with potentially different settings.
+ auto& sensor = sanei_genesys_find_sensor_for_write(dev, dpi);
+
+ SetupParams params;
+ params.xres = dpi;
+ params.yres = dpi;
+ params.startx = 0;
+ params.starty = 0; /*we should give a small offset here~60 steps */
+ params.pixels = 600;
+ params.lines = dev->model->search_lines;
+ params.depth = 8;
+ params.channels = 1;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::GRAY;
+ params.color_filter = ColorFilter::GREEN;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE |
+ SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE;
+
+ status = gl124_init_scan_regs(dev, sensor, &local_reg, params);
+
+ if (status!=SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to init scan registers: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+
+ /* send to scanner */
+ status = dev->model->cmd_set->bulk_write_register(dev, local_reg);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to bulk write registers: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+
+ size = pixels * dev->model->search_lines;
+
+ std::vector<uint8_t> data(size);
+
+ status = gl124_begin_scan (dev, sensor, &local_reg, SANE_TRUE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to begin scan: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+
+ /* waits for valid data */
+ do
+ sanei_genesys_test_buffer_empty (dev, &steps);
+ while (steps);
+
+ /* now we're on target, we can read data */
+ status = sanei_genesys_read_data_from_scanner (dev, data.data(), size);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to read data: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+
+ if (DBG_LEVEL >= DBG_data)
+ sanei_genesys_write_pnm_file("gl124_search_position.pnm", data.data(), 8, 1, pixels,
+ dev->model->search_lines);
+
+ status = gl124_end_scan (dev, &local_reg, SANE_TRUE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to end scan: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+
+ /* update regs to copy ASIC internal state */
+ dev->reg = local_reg;
+
+ status =
+ sanei_genesys_search_reference_point (dev, sensor, data.data(), 0, dpi, pixels,
+ dev->model->search_lines);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to set search reference point: %s\n", __func__,
+ sane_strstatus(status));
+ return status;
+ }
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+/*
+ * sets up register for coarse gain calibration
+ * todo: check it for scanners using it */
+static SANE_Status
+gl124_init_regs_for_coarse_calibration(Genesys_Device* dev, const Genesys_Sensor& sensor,
+ Genesys_Register_Set& regs)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint8_t channels;
+ uint8_t cksel;
+
+ DBGSTART;
+ cksel = (regs.find_reg(0x18).value & REG18_CKSEL) + 1; /* clock speed = 1..4 clocks */
+
+ /* set line size */
+ if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS) {
+ channels = 3;
+ } else {
+ channels = 1;
+ }
+
+ SetupParams params;
+ params.xres = dev->settings.xres;
+ params.yres = dev->settings.yres;
+ params.startx = 0;
+ params.starty = 0;
+ params.pixels = sensor.optical_res / cksel;
+ params.lines = 20;
+ params.depth = 16;
+ params.channels = channels;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = dev->settings.scan_mode;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_SINGLE_LINE |
+ SCAN_FLAG_FEEDING |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ status = gl124_init_scan_regs(dev, sensor, &regs, params);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+ sanei_genesys_set_motor_power(regs, false);
+
+ DBG(DBG_info, "%s: optical sensor res: %d dpi, actual res: %d\n", __func__,
+ sensor.optical_res / cksel, dev->settings.xres);
+
+ status = dev->model->cmd_set->bulk_write_register(dev, regs);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to bulk write registers: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+
+/* init registers for shading calibration */
+/* shading calibration is done at dpihw */
+static SANE_Status
+gl124_init_regs_for_shading(Genesys_Device * dev, const Genesys_Sensor& sensor,
+ Genesys_Register_Set& regs)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ int move, resolution, dpihw, factor;
+
+ DBGSTART;
+
+ /* initial calibration reg values */
+ regs = dev->reg;
+
+ dev->calib_channels = 3;
+ dev->calib_lines = dev->model->shading_lines;
+ dpihw=sanei_genesys_compute_dpihw(dev, sensor, dev->settings.xres);
+ if(dpihw>=2400)
+ {
+ dev->calib_lines *= 2;
+ }
+ resolution=dpihw;
+
+ /* if half CCD mode, use half resolution */
+ if(compute_half_ccd(sensor, dev->settings.xres)==SANE_TRUE)
+ {
+ resolution /= 2;
+ dev->calib_lines /= 2;
+ }
+ dev->calib_resolution = resolution;
+ dev->calib_total_bytes_to_read = 0;
+ factor=sensor.optical_res/resolution;
+ dev->calib_pixels = sensor.sensor_pixels/factor;
+
+ /* distance to move to reach white target at high resolution */
+ move=0;
+ if(dev->settings.yres>=1200)
+ {
+ move = SANE_UNFIX (dev->model->y_offset_calib);
+ move = (move * (dev->motor.base_ydpi/4)) / MM_PER_INCH;
+ }
+ DBG (DBG_io, "%s: move=%d steps\n", __func__, move);
+
+ SetupParams params;
+ params.xres = resolution;
+ params.yres = resolution;
+ params.startx = 0;
+ params.starty = move;
+ params.pixels = dev->calib_pixels;
+ params.lines = dev->calib_lines;
+ params.depth = 16;
+ params.channels = dev->calib_channels;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
+ params.color_filter = ColorFilter::RED;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ status = gl124_init_scan_regs(dev, sensor, &regs, params);
+
+ sanei_genesys_set_motor_power(regs, false);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__,
+ sane_strstatus (status));
+ return status;
+ }
+
+ dev->scanhead_position_in_steps += dev->calib_lines + move;
+
+ status = dev->model->cmd_set->bulk_write_register(dev, regs);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "%s: failed to bulk write registers: %s\n", __func__,
+ sane_strstatus (status));
+ return status;
+ }
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+static void gl124_wait_for_motor_stop(Genesys_Device* dev)
+{
+ DBG_HELPER(dbg);
+ uint8_t val40, val;
+
+ TIE(sanei_genesys_get_status(dev, &val));
+ TIE(sanei_genesys_read_register(dev, REG100, &val40));
+
+ if ((val & MOTORENB) == 0 && (val40 & REG100_MOTMFLG) == 0)
+ return;
+
+ do {
+ sanei_genesys_sleep_ms(10);
+ TIE(sanei_genesys_get_status(dev, &val));
+ TIE(sanei_genesys_read_register(dev, REG100, &val40));
+ } while ((val & MOTORENB) ||(val40 & REG100_MOTMFLG));
+ sanei_genesys_sleep_ms(50);
+}
+
+/** @brief set up registers for the actual scan
+ */
+static SANE_Status
+gl124_init_regs_for_scan (Genesys_Device * dev, const Genesys_Sensor& sensor)
+{
+ int channels;
+ int flags;
+ int depth;
+ float move;
+ int move_dpi;
+ float start;
+
+ SANE_Status status = SANE_STATUS_GOOD;
+
+ DBG(DBG_info, "%s ", __func__);
+ debug_dump(DBG_info, dev->settings);
+
+ /* channels */
+ if (dev->settings.scan_mode == ScanColorMode::COLOR_SINGLE_PASS)
+ channels = 3;
+ else
+ channels = 1;
+
+ /* depth */
+ depth = dev->settings.depth;
+ if (dev->settings.scan_mode == ScanColorMode::LINEART)
+ depth = 1;
+
+ /* y (motor) distance to move to reach scanned area */
+ move_dpi = dev->motor.base_ydpi/4;
+ move = SANE_UNFIX (dev->model->y_offset);
+ move += dev->settings.tl_y;
+ move = (move * move_dpi) / MM_PER_INCH;
+ DBG (DBG_info, "%s: move=%f steps\n", __func__, move);
+
+ if(channels*dev->settings.yres>=600 && move>700)
+ {
+ status = gl124_feed (dev, move-500, SANE_FALSE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to move to scan area\n",__func__);
+ return status;
+ }
+ move=500;
+ }
+ DBG(DBG_info, "%s: move=%f steps\n", __func__, move);
+
+ /* start */
+ start = SANE_UNFIX (dev->model->x_offset);
+ start += dev->settings.tl_x;
+ if(compute_half_ccd(sensor, dev->settings.xres)==SANE_TRUE)
+ {
+ start /=2;
+ }
+ start = (start * sensor.optical_res) / MM_PER_INCH;
+
+ flags = 0;
+
+ /* enable emulated lineart from gray data */
+ if(dev->settings.scan_mode == ScanColorMode::LINEART
+ && dev->settings.dynamic_lineart)
+ {
+ flags |= SCAN_FLAG_DYNAMIC_LINEART;
+ }
+
+ SetupParams params;
+ params.xres = dev->settings.xres;
+ params.yres = dev->settings.yres;
+ params.startx = start;
+ params.starty = move;
+ params.pixels = dev->settings.pixels;
+ params.lines = dev->settings.lines;
+ params.depth = depth;
+ params.channels = channels;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = dev->settings.scan_mode;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = flags;
+
+ status = gl124_init_scan_regs(dev, sensor, &dev->reg, params);
+
+ if (status != SANE_STATUS_GOOD)
+ return status;
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+/**
+ * Send shading calibration data. The buffer is considered to always hold values
+ * for all the channels.
+ */
+static SANE_Status
+gl124_send_shading_data (Genesys_Device * dev, const Genesys_Sensor& sensor,
+ uint8_t * data, int size)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint32_t addr, length, strpixel ,endpixel, x, factor, segcnt, pixels, i;
+ uint32_t lines, channels;
+ uint16_t dpiset,dpihw;
+ uint8_t val,*ptr,*src;
+
+ DBGSTART;
+ DBG( DBG_io2, "%s: writing %d bytes of shading data\n",__func__,size);
+
+ /* logical size of a color as seen by generic code of the frontend */
+ length = (uint32_t) (size / 3);
+ sanei_genesys_get_triple(&dev->reg,REG_STRPIXEL,&strpixel);
+ sanei_genesys_get_triple(&dev->reg,REG_ENDPIXEL,&endpixel);
+ sanei_genesys_get_triple(&dev->reg,REG_SEGCNT,&segcnt);
+ if(endpixel==0)
+ {
+ endpixel=segcnt;
+ }
+ DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d, SEGCNT=%d\n",__func__,strpixel,endpixel,endpixel-strpixel,segcnt);
+
+ /* compute deletion factor */
+ sanei_genesys_get_double(&dev->reg,REG_DPISET,&dpiset);
+ dpihw=sanei_genesys_compute_dpihw(dev, sensor, dpiset);
+ factor=dpihw/dpiset;
+ DBG( DBG_io2, "%s: factor=%d\n",__func__,factor);
+
+ /* binary data logging */
+ if(DBG_LEVEL>=DBG_data)
+ {
+ dev->binary=fopen("binary.pnm","wb");
+ sanei_genesys_get_triple(&dev->reg, REG_LINCNT, &lines);
+ channels=dev->current_setup.channels;
+ if(dev->binary!=NULL)
+ {
+ fprintf(dev->binary,"P5\n%d %d\n%d\n",(endpixel-strpixel)/factor*channels*dev->segnb,lines/channels,255);
+ }
+ }
+
+ /* turn pixel value into bytes 2x16 bits words */
+ strpixel*=2*2; /* 2 words of 2 bytes */
+ endpixel*=2*2;
+ segcnt*=2*2;
+ pixels=endpixel-strpixel;
+
+ DBG( DBG_io2, "%s: using chunks of %d bytes (%d shading data pixels)\n",__func__,length, length/4);
+ std::vector<uint8_t> buffer(pixels * dev->segnb, 0);
+
+ /* write actual red data */
+ for(i=0;i<3;i++)
+ {
+ /* copy data to work buffer and process it */
+ /* coefficent destination */
+ ptr = buffer.data();
+
+ /* iterate on both sensor segment */
+ for(x=0;x<pixels;x+=4*factor)
+ {
+ /* coefficient source */
+ src=data+x+strpixel+i*length;
+
+ /* iterate over all the segments */
+ switch(dev->segnb)
+ {
+ case 1:
+ ptr[0+pixels*0]=src[0+segcnt*0];
+ ptr[1+pixels*0]=src[1+segcnt*0];
+ ptr[2+pixels*0]=src[2+segcnt*0];
+ ptr[3+pixels*0]=src[3+segcnt*0];
+ break;
+ case 2:
+ ptr[0+pixels*0]=src[0+segcnt*0];
+ ptr[1+pixels*0]=src[1+segcnt*0];
+ ptr[2+pixels*0]=src[2+segcnt*0];
+ ptr[3+pixels*0]=src[3+segcnt*0];
+ ptr[0+pixels*1]=src[0+segcnt*1];
+ ptr[1+pixels*1]=src[1+segcnt*1];
+ ptr[2+pixels*1]=src[2+segcnt*1];
+ ptr[3+pixels*1]=src[3+segcnt*1];
+ break;
+ case 4:
+ ptr[0+pixels*0]=src[0+segcnt*0];
+ ptr[1+pixels*0]=src[1+segcnt*0];
+ ptr[2+pixels*0]=src[2+segcnt*0];
+ ptr[3+pixels*0]=src[3+segcnt*0];
+ ptr[0+pixels*1]=src[0+segcnt*2];
+ ptr[1+pixels*1]=src[1+segcnt*2];
+ ptr[2+pixels*1]=src[2+segcnt*2];
+ ptr[3+pixels*1]=src[3+segcnt*2];
+ ptr[0+pixels*2]=src[0+segcnt*1];
+ ptr[1+pixels*2]=src[1+segcnt*1];
+ ptr[2+pixels*2]=src[2+segcnt*1];
+ ptr[3+pixels*2]=src[3+segcnt*1];
+ ptr[0+pixels*3]=src[0+segcnt*3];
+ ptr[1+pixels*3]=src[1+segcnt*3];
+ ptr[2+pixels*3]=src[2+segcnt*3];
+ ptr[3+pixels*3]=src[3+segcnt*3];
+ break;
+ }
+
+ /* next shading coefficient */
+ ptr+=4;
+ }
+ RIE (sanei_genesys_read_register (dev, 0xd0+i, &val));
+ addr = val * 8192 + 0x10000000;
+ status = sanei_genesys_write_ahb(dev, addr, pixels*dev->segnb, buffer.data());
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s; write to AHB failed (%s)\n", __func__, sane_strstatus(status));
+ return status;
+ }
+ }
+
+ DBGCOMPLETED;
+
+ return status;
+}
+
+
+/** @brief move to calibration area
+ * This functions moves scanning head to calibration area
+ * by doing a 600 dpi scan
+ * @param dev scanner device
+ * @return SANE_STATUS_GOOD on success, else the error code
+ */
+static SANE_Status
+move_to_calibration_area (Genesys_Device * dev, const Genesys_Sensor& sensor,
+ Genesys_Register_Set& regs)
+{
+ int pixels;
+ int size;
+ SANE_Status status = SANE_STATUS_GOOD;
+
+ DBGSTART;
+
+ pixels = (sensor.sensor_pixels*600)/sensor.optical_res;
+
+ /* initial calibration reg values */
+ regs = dev->reg;
+
+ SetupParams params;
+ params.xres = 600;
+ params.yres = 600;
+ params.startx = 0;
+ params.starty = 0;
+ params.pixels = pixels;
+ params.lines = 1;
+ params.depth = 8;
+ params.channels = 3;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_SINGLE_LINE |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ status = gl124_init_scan_regs(dev, sensor, &regs, params);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status));
+ return status;
+ }
+
+ size = pixels * 3;
+ std::vector<uint8_t> line(size);
+
+ /* write registers and scan data */
+ RIE(dev->model->cmd_set->bulk_write_register(dev, regs));
+
+ DBG (DBG_info, "%s: starting line reading\n", __func__);
+ RIE(gl124_begin_scan (dev, sensor, &regs, SANE_TRUE));
+ RIE(sanei_genesys_read_data_from_scanner(dev, line.data(), size));
+
+ /* stop scanning */
+ RIE(gl124_stop_action (dev));
+
+ if (DBG_LEVEL >= DBG_data)
+ {
+ sanei_genesys_write_pnm_file("gl124_movetocalarea.pnm", line.data(), 8, 3, pixels, 1);
+ }
+
+ DBGCOMPLETED;
+ return status;
+}
+
+/* this function does the led calibration by scanning one line of the calibration
+ area below scanner's top on white strip.
+
+-needs working coarse/gain
+*/
+static SANE_Status
+gl124_led_calibration (Genesys_Device * dev, Genesys_Sensor& sensor, Genesys_Register_Set& regs)
+{
+ int num_pixels;
+ int total_size;
+ int resolution;
+ int dpihw;
+ int i, j;
+ SANE_Status status = SANE_STATUS_GOOD;
+ int val;
+ int channels, depth;
+ int avg[3];
+ int turn;
+ uint16_t exp[3],target;
+ SANE_Bool acceptable;
+ SANE_Bool half_ccd;
+
+ DBGSTART;
+
+ /* move to calibration area */
+ move_to_calibration_area(dev, sensor, regs);
+
+ /* offset calibration is always done in 16 bit depth color mode */
+ channels = 3;
+ depth=16;
+ dpihw=sanei_genesys_compute_dpihw(dev, sensor, dev->settings.xres);
+ half_ccd=compute_half_ccd(sensor, dev->settings.xres);
+ if(half_ccd==SANE_TRUE)
+ {
+ resolution = dpihw/2;
+ }
+ else
+ {
+ resolution = dpihw;
+ }
+ Sensor_Profile* sensor_profile = get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd);
+ num_pixels = (sensor.sensor_pixels*resolution)/sensor.optical_res;
+
+ /* initial calibration reg values */
+ regs = dev->reg;
+
+ SetupParams params;
+ params.xres = resolution;
+ params.yres = resolution;
+ params.startx = 0;
+ params.starty = 0;
+ params.pixels = num_pixels;
+ params.lines = 1;
+ params.depth = depth;
+ params.channels = channels;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_SINGLE_LINE |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ status = gl124_init_scan_regs(dev, sensor, &regs, params);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status));
+ return status;
+ }
+
+ total_size = num_pixels * channels * (depth/8) * 1; /* colors * bytes_per_color * scan lines */
+ std::vector<uint8_t> line(total_size);
+
+ /* initial loop values and boundaries */
+ exp[0]=sensor_profile->expr;
+ exp[1]=sensor_profile->expg;
+ exp[2]=sensor_profile->expb;
+ target=sensor.gain_white_ref*256;
+
+ turn = 0;
+
+ /* no move during led calibration */
+ sanei_genesys_set_motor_power(regs, false);
+ do
+ {
+ /* set up exposure */
+ sanei_genesys_set_triple(&regs,REG_EXPR,exp[0]);
+ sanei_genesys_set_triple(&regs,REG_EXPG,exp[1]);
+ sanei_genesys_set_triple(&regs,REG_EXPB,exp[2]);
+
+ /* write registers and scan data */
+ RIE(dev->model->cmd_set->bulk_write_register(dev, regs));
+
+ DBG(DBG_info, "%s: starting line reading\n", __func__);
+ RIE(gl124_begin_scan (dev, sensor, &regs, SANE_TRUE));
+ RIE(sanei_genesys_read_data_from_scanner (dev, line.data(), total_size));
+
+ /* stop scanning */
+ RIE(gl124_stop_action (dev));
+
+ if (DBG_LEVEL >= DBG_data)
+ {
+ char fn[30];
+ snprintf(fn, 30, "gl124_led_%02d.pnm", turn);
+ sanei_genesys_write_pnm_file(fn, line.data(), depth, channels, num_pixels, 1);
+ }
+
+ /* compute average */
+ for (j = 0; j < channels; j++)
+ {
+ avg[j] = 0;
+ for (i = 0; i < num_pixels; i++)
+ {
+ if (dev->model->is_cis)
+ val =
+ line[i * 2 + j * 2 * num_pixels + 1] * 256 +
+ line[i * 2 + j * 2 * num_pixels];
+ else
+ val =
+ line[i * 2 * channels + 2 * j + 1] * 256 +
+ line[i * 2 * channels + 2 * j];
+ avg[j] += val;
+ }
+
+ avg[j] /= num_pixels;
+ }
+
+ DBG(DBG_info, "%s: average: %d,%d,%d\n", __func__, avg[0], avg[1], avg[2]);
+
+ /* check if exposure gives average within the boundaries */
+ acceptable = SANE_TRUE;
+ for(i=0;i<3;i++)
+ {
+ /* we accept +- 2% delta from target */
+ if(abs(avg[i]-target)>target/50)
+ {
+ exp[i]=(exp[i]*target)/avg[i];
+ acceptable = SANE_FALSE;
+ }
+ }
+
+ turn++;
+ }
+ while (!acceptable && turn < 100);
+
+ DBG(DBG_info, "%s: acceptable exposure: %d,%d,%d\n", __func__, exp[0], exp[1], exp[2]);
+
+ /* set these values as final ones for scan */
+ sanei_genesys_set_triple(&dev->reg,REG_EXPR,exp[0]);
+ sanei_genesys_set_triple(&dev->reg,REG_EXPG,exp[1]);
+ sanei_genesys_set_triple(&dev->reg,REG_EXPB,exp[2]);
+
+ /* store in this struct since it is the one used by cache calibration */
+ sensor.exposure.red = exp[0];
+ sensor.exposure.green = exp[1];
+ sensor.exposure.blue = exp[2];
+
+ DBGCOMPLETED;
+ return status;
+}
+
+/**
+ * average dark pixels of a 8 bits scan
+ */
+static int
+dark_average (uint8_t * data, unsigned int pixels, unsigned int lines,
+ unsigned int channels, unsigned int black)
+{
+ unsigned int i, j, k, average, count;
+ unsigned int avg[3];
+ uint8_t val;
+
+ /* computes average value on black margin */
+ for (k = 0; k < channels; k++)
+ {
+ avg[k] = 0;
+ count = 0;
+ for (i = 0; i < lines; i++)
+ {
+ for (j = 0; j < black; j++)
+ {
+ val = data[i * channels * pixels + j + k];
+ avg[k] += val;
+ count++;
+ }
+ }
+ if (count)
+ avg[k] /= count;
+ DBG(DBG_info, "%s: avg[%d] = %d\n", __func__, k, avg[k]);
+ }
+ average = 0;
+ for (i = 0; i < channels; i++)
+ average += avg[i];
+ average /= channels;
+ DBG(DBG_info, "%s: average = %d\n", __func__, average);
+ return average;
+}
+
+
+static SANE_Status
+gl124_offset_calibration(Genesys_Device * dev, const Genesys_Sensor& sensor,
+ Genesys_Register_Set& regs)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint8_t reg0a;
+ unsigned int channels, bpp;
+ int pass = 0, avg, total_size;
+ int topavg, bottomavg, resolution, lines;
+ int top, bottom, black_pixels, pixels;
+
+ DBGSTART;
+
+ /* no gain nor offset for TI AFE */
+ RIE (sanei_genesys_read_register (dev, REG0A, &reg0a));
+ if(((reg0a & REG0A_SIFSEL)>>REG0AS_SIFSEL)==3)
+ {
+ DBGCOMPLETED;
+ return status;
+ }
+
+ /* offset calibration is always done in color mode */
+ channels = 3;
+ resolution=sensor.optical_res;
+ dev->calib_pixels = sensor.sensor_pixels;
+ lines=1;
+ bpp=8;
+ pixels= (sensor.sensor_pixels*resolution) / sensor.optical_res;
+ black_pixels = (sensor.black_pixels * resolution) / sensor.optical_res;
+ DBG(DBG_io2, "%s: black_pixels=%d\n", __func__, black_pixels);
+
+ SetupParams params;
+ params.xres = resolution;
+ params.yres = resolution;
+ params.startx = 0;
+ params.starty = 0;
+ params.pixels = pixels;
+ params.lines = lines;
+ params.depth = bpp;
+ params.channels = channels;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_SINGLE_LINE |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ status = gl124_init_scan_regs(dev, sensor, &regs, params);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+ sanei_genesys_set_motor_power(regs, false);
+
+ /* allocate memory for scans */
+ total_size = pixels * channels * lines * (bpp/8); /* colors * bytes_per_color * scan lines */
+
+ std::vector<uint8_t> first_line(total_size);
+ std::vector<uint8_t> second_line(total_size);
+
+ /* init gain */
+ dev->frontend.set_gain(0, 0);
+ dev->frontend.set_gain(1, 0);
+ dev->frontend.set_gain(2, 0);
+
+ /* scan with no move */
+ bottom = 10;
+ dev->frontend.set_offset(0, bottom);
+ dev->frontend.set_offset(1, bottom);
+ dev->frontend.set_offset(2, bottom);
+
+ RIE(gl124_set_fe(dev, sensor, AFE_SET));
+ RIE(dev->model->cmd_set->bulk_write_register(dev, regs));
+ DBG(DBG_info, "%s: starting first line reading\n", __func__);
+ RIE(gl124_begin_scan(dev, sensor, &regs, SANE_TRUE));
+ RIE(sanei_genesys_read_data_from_scanner(dev, first_line.data(), total_size));
+ if (DBG_LEVEL >= DBG_data)
+ {
+ char title[30];
+ snprintf(title, 30, "gl124_offset%03d.pnm", bottom);
+ sanei_genesys_write_pnm_file(title, first_line.data(), bpp, channels, pixels, lines);
+ }
+
+ bottomavg = dark_average(first_line.data(), pixels, lines, channels, black_pixels);
+ DBG(DBG_io2, "%s: bottom avg=%d\n", __func__, bottomavg);
+
+ /* now top value */
+ top = 255;
+ dev->frontend.set_offset(0, top);
+ dev->frontend.set_offset(1, top);
+ dev->frontend.set_offset(2, top);
+ RIE(gl124_set_fe(dev, sensor, AFE_SET));
+ RIE(dev->model->cmd_set->bulk_write_register(dev, regs));
+ DBG(DBG_info, "%s: starting second line reading\n", __func__);
+ RIE(gl124_begin_scan(dev, sensor, &regs, SANE_TRUE));
+ RIE(sanei_genesys_read_data_from_scanner (dev, second_line.data(), total_size));
+
+ topavg = dark_average(second_line.data(), pixels, lines, channels, black_pixels);
+ DBG(DBG_io2, "%s: top avg=%d\n", __func__, topavg);
+
+ /* loop until acceptable level */
+ while ((pass < 32) && (top - bottom > 1))
+ {
+ pass++;
+
+ /* settings for new scan */
+ dev->frontend.set_offset(0, (top + bottom) / 2);
+ dev->frontend.set_offset(1, (top + bottom) / 2);
+ dev->frontend.set_offset(2, (top + bottom) / 2);
+
+ /* scan with no move */
+ RIE(gl124_set_fe(dev, sensor, AFE_SET));
+ RIE(dev->model->cmd_set->bulk_write_register(dev, regs));
+ DBG(DBG_info, "%s: starting second line reading\n", __func__);
+ RIE(gl124_begin_scan(dev, sensor, &regs, SANE_TRUE));
+ RIE(sanei_genesys_read_data_from_scanner(dev, second_line.data(), total_size));
+
+ if (DBG_LEVEL >= DBG_data)
+ {
+ char title[30];
+ snprintf(title, 30, "gl124_offset%03d.pnm", dev->frontend.get_offset(1));
+ sanei_genesys_write_pnm_file(title, second_line.data(), bpp, channels, pixels, lines);
+ }
+
+ avg = dark_average(second_line.data(), pixels, lines, channels, black_pixels);
+ DBG(DBG_info, "%s: avg=%d offset=%d\n", __func__, avg, dev->frontend.get_offset(1));
+
+ /* compute new boundaries */
+ if (topavg == avg)
+ {
+ topavg = avg;
+ top = dev->frontend.get_offset(1);
+ }
+ else
+ {
+ bottomavg = avg;
+ bottom = dev->frontend.get_offset(1);
+ }
+ }
+ DBG(DBG_info, "%s: offset=(%d,%d,%d)\n", __func__,
+ dev->frontend.get_offset(0),
+ dev->frontend.get_offset(1),
+ dev->frontend.get_offset(2));
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+
+/* alternative coarse gain calibration
+ this on uses the settings from offset_calibration and
+ uses only one scanline
+ */
+/*
+ with offset and coarse calibration we only want to get our input range into
+ a reasonable shape. the fine calibration of the upper and lower bounds will
+ be done with shading.
+ */
+static SANE_Status
+gl124_coarse_gain_calibration(Genesys_Device * dev, const Genesys_Sensor& sensor,
+ Genesys_Register_Set& regs, int dpi)
+{
+ int pixels;
+ int total_size;
+ uint8_t reg0a;
+ int i, j, channels;
+ SANE_Status status = SANE_STATUS_GOOD;
+ int max[3];
+ float gain[3],coeff;
+ int val, code, lines;
+ int resolution;
+ int bpp;
+
+ DBG(DBG_proc, "%s: dpi = %d\n", __func__, dpi);
+
+ /* no gain nor offset for TI AFE */
+ RIE (sanei_genesys_read_register (dev, REG0A, &reg0a));
+ if(((reg0a & REG0A_SIFSEL)>>REG0AS_SIFSEL)==3)
+ {
+ DBGCOMPLETED;
+ return status;
+ }
+
+ /* coarse gain calibration is always done in color mode */
+ channels = 3;
+
+ /* follow CKSEL */
+ if(dev->settings.xres<sensor.optical_res)
+ {
+ coeff=0.9;
+ /*resolution=sensor.optical_res/2;*/
+ resolution=sensor.optical_res;
+ }
+ else
+ {
+ resolution=sensor.optical_res;
+ coeff=1.0;
+ }
+ lines=10;
+ bpp=8;
+ pixels = (sensor.sensor_pixels * resolution) / sensor.optical_res;
+
+ SetupParams params;
+ params.xres = resolution;
+ params.yres = resolution;
+ params.startx = 0;
+ params.starty = 0;
+ params.pixels = pixels;
+ params.lines = lines;
+ params.depth = bpp;
+ params.channels = channels;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_SINGLE_LINE |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ try {
+ status = gl124_init_scan_regs(dev, sensor, &regs, params);
+ } catch (...) {
+ try {
+ sanei_genesys_set_motor_power(regs, false);
+ } catch (...) {}
+ throw;
+ }
+
+ sanei_genesys_set_motor_power(regs, false);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+
+ RIE (dev->model->cmd_set->bulk_write_register(dev, regs));
+
+ total_size = pixels * channels * (16/bpp) * lines;
+
+ std::vector<uint8_t> line(total_size);
+
+ RIE(gl124_set_fe(dev, sensor, AFE_SET));
+ RIE(gl124_begin_scan(dev, sensor, &regs, SANE_TRUE));
+ RIE(sanei_genesys_read_data_from_scanner(dev, line.data(), total_size));
+
+ if (DBG_LEVEL >= DBG_data)
+ sanei_genesys_write_pnm_file("gl124_gain.pnm", line.data(), bpp, channels, pixels, lines);
+
+ /* average value on each channel */
+ for (j = 0; j < channels; j++)
+ {
+ max[j] = 0;
+ for (i = pixels/4; i < (pixels*3/4); i++)
+ {
+ if(bpp==16)
+ {
+ if (dev->model->is_cis)
+ val =
+ line[i * 2 + j * 2 * pixels + 1] * 256 +
+ line[i * 2 + j * 2 * pixels];
+ else
+ val =
+ line[i * 2 * channels + 2 * j + 1] * 256 +
+ line[i * 2 * channels + 2 * j];
+ }
+ else
+ {
+ if (dev->model->is_cis)
+ val = line[i + j * pixels];
+ else
+ val = line[i * channels + j];
+ }
+
+ max[j] += val;
+ }
+ max[j] = max[j] / (pixels/2);
+
+ gain[j] = ((float) sensor.gain_white_ref*coeff) / max[j];
+
+ /* turn logical gain value into gain code, checking for overflow */
+ code = 283 - 208 / gain[j];
+ if (code > 255)
+ code = 255;
+ else if (code < 0)
+ code = 0;
+ dev->frontend.set_gain(j, code);
+
+ DBG(DBG_proc, "%s: channel %d, max=%d, gain = %f, setting:%d\n", __func__, j, max[j],
+ gain[j], dev->frontend.get_gain(j));
+ }
+
+ if (dev->model->is_cis) {
+ uint8_t gain0 = dev->frontend.get_gain(0);
+ if (gain0 > dev->frontend.get_gain(1)) {
+ gain0 = dev->frontend.get_gain(1);
+ }
+ if (gain0 > dev->frontend.get_gain(2)) {
+ gain0 = dev->frontend.get_gain(2);
+ }
+ dev->frontend.set_gain(0, gain0);
+ dev->frontend.set_gain(1, gain0);
+ dev->frontend.set_gain(2, gain0);
+ }
+
+ if (channels == 1) {
+ dev->frontend.set_gain(0, dev->frontend.get_gain(1));
+ dev->frontend.set_gain(2, dev->frontend.get_gain(1));
+ }
+
+ RIE (gl124_stop_action (dev));
+
+ status = gl124_slow_back_home (dev, SANE_TRUE);
+
+ DBGCOMPLETED;
+ return status;
+}
+
+/*
+ * wait for lamp warmup by scanning the same line until difference
+ * between 2 scans is below a threshold
+ */
+static SANE_Status
+gl124_init_regs_for_warmup (Genesys_Device * dev,
+ const Genesys_Sensor& sensor,
+ Genesys_Register_Set * reg,
+ int *channels, int *total_size)
+{
+ int num_pixels;
+ SANE_Status status = SANE_STATUS_GOOD;
+
+ DBGSTART;
+ if (dev == NULL || reg == NULL || channels == NULL || total_size == NULL)
+ return SANE_STATUS_INVAL;
+
+ *channels=3;
+
+ *reg = dev->reg;
+
+ SetupParams params;
+ params.xres = sensor.optical_res;
+ params.yres = dev->motor.base_ydpi;
+ params.startx = sensor.sensor_pixels / 4;
+ params.starty = 0;
+ params.pixels = sensor.sensor_pixels / 2;
+ params.lines = 1;
+ params.depth = 8;
+ params.channels = *channels;
+ params.scan_method = dev->settings.scan_method;
+ params.scan_mode = ScanColorMode::COLOR_SINGLE_PASS;
+ params.color_filter = dev->settings.color_filter;
+ params.flags = SCAN_FLAG_DISABLE_SHADING |
+ SCAN_FLAG_DISABLE_GAMMA |
+ SCAN_FLAG_SINGLE_LINE |
+ SCAN_FLAG_IGNORE_LINE_DISTANCE;
+
+ status = gl124_init_scan_regs(dev, sensor, reg, params);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG(DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus(status));
+ return status;
+ }
+
+ num_pixels = dev->current_setup.pixels;
+
+ *total_size = num_pixels * 3 * 1; /* colors * bytes_per_color * scan lines */
+
+ sanei_genesys_set_motor_power(*reg, false);
+ RIE (dev->model->cmd_set->bulk_write_register(dev, *reg));
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+/** @brief default GPIO values
+ * set up GPIO/GPOE for idle state
+ * @param dev device to set up
+ * @return SANE_STATUS_GOOD unless a GPIO register cannot be written
+ */
+static SANE_Status
+gl124_init_gpio (Genesys_Device * dev)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ int idx;
+
+ DBGSTART;
+
+ /* per model GPIO layout */
+ if (dev->model->model_id == MODEL_CANON_LIDE_110)
+ {
+ idx = 0;
+ }
+ else if (dev->model->model_id == MODEL_CANON_LIDE_120)
+ {
+ idx = 2;
+ }
+ else
+ { /* canon LiDE 210 and 220 case */
+ idx = 1;
+ }
+
+ RIE (sanei_genesys_write_register (dev, REG31, gpios[idx].r31));
+ RIE (sanei_genesys_write_register (dev, REG32, gpios[idx].r32));
+ RIE (sanei_genesys_write_register (dev, REG33, gpios[idx].r33));
+ RIE (sanei_genesys_write_register (dev, REG34, gpios[idx].r34));
+ RIE (sanei_genesys_write_register (dev, REG35, gpios[idx].r35));
+ RIE (sanei_genesys_write_register (dev, REG36, gpios[idx].r36));
+ RIE (sanei_genesys_write_register (dev, REG38, gpios[idx].r38));
+
+ DBGCOMPLETED;
+ return status;
+}
+
+/**
+ * set memory layout by filling values in dedicated registers
+ */
+static SANE_Status
+gl124_init_memory_layout (Genesys_Device * dev)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ int idx = 0;
+
+ DBGSTART;
+
+ /* point to per model memory layout */
+ if (dev->model->model_id == MODEL_CANON_LIDE_110 ||dev->model->model_id == MODEL_CANON_LIDE_120)
+ {
+ idx = 0;
+ }
+ else
+ { /* canon LiDE 210 and 220 case */
+ idx = 1;
+ }
+
+ /* setup base address for shading data. */
+ /* values must be multiplied by 8192=0x4000 to give address on AHB */
+ /* R-Channel shading bank0 address setting for CIS */
+ sanei_genesys_write_register (dev, 0xd0, layouts[idx].rd0);
+ /* G-Channel shading bank0 address setting for CIS */
+ sanei_genesys_write_register (dev, 0xd1, layouts[idx].rd1);
+ /* B-Channel shading bank0 address setting for CIS */
+ sanei_genesys_write_register (dev, 0xd2, layouts[idx].rd2);
+
+ /* setup base address for scanned data. */
+ /* values must be multiplied by 1024*2=0x0800 to give address on AHB */
+ /* R-Channel ODD image buffer 0x0124->0x92000 */
+ /* size for each buffer is 0x16d*1k word */
+ sanei_genesys_write_register (dev, 0xe0, layouts[idx].re0);
+ sanei_genesys_write_register (dev, 0xe1, layouts[idx].re1);
+ /* R-Channel ODD image buffer end-address 0x0291->0x148800 => size=0xB6800*/
+ sanei_genesys_write_register (dev, 0xe2, layouts[idx].re2);
+ sanei_genesys_write_register (dev, 0xe3, layouts[idx].re3);
+
+ /* R-Channel EVEN image buffer 0x0292 */
+ sanei_genesys_write_register (dev, 0xe4, layouts[idx].re4);
+ sanei_genesys_write_register (dev, 0xe5, layouts[idx].re5);
+ /* R-Channel EVEN image buffer end-address 0x03ff*/
+ sanei_genesys_write_register (dev, 0xe6, layouts[idx].re6);
+ sanei_genesys_write_register (dev, 0xe7, layouts[idx].re7);
+
+ /* same for green, since CIS, same addresses */
+ sanei_genesys_write_register (dev, 0xe8, layouts[idx].re0);
+ sanei_genesys_write_register (dev, 0xe9, layouts[idx].re1);
+ sanei_genesys_write_register (dev, 0xea, layouts[idx].re2);
+ sanei_genesys_write_register (dev, 0xeb, layouts[idx].re3);
+ sanei_genesys_write_register (dev, 0xec, layouts[idx].re4);
+ sanei_genesys_write_register (dev, 0xed, layouts[idx].re5);
+ sanei_genesys_write_register (dev, 0xee, layouts[idx].re6);
+ sanei_genesys_write_register (dev, 0xef, layouts[idx].re7);
+
+/* same for blue, since CIS, same addresses */
+ sanei_genesys_write_register (dev, 0xf0, layouts[idx].re0);
+ sanei_genesys_write_register (dev, 0xf1, layouts[idx].re1);
+ sanei_genesys_write_register (dev, 0xf2, layouts[idx].re2);
+ sanei_genesys_write_register (dev, 0xf3, layouts[idx].re3);
+ sanei_genesys_write_register (dev, 0xf4, layouts[idx].re4);
+ sanei_genesys_write_register (dev, 0xf5, layouts[idx].re5);
+ sanei_genesys_write_register (dev, 0xf6, layouts[idx].re6);
+ sanei_genesys_write_register (dev, 0xf7, layouts[idx].re7);
+
+ DBGCOMPLETED;
+ return status;
+}
+
+/**
+ * initialize backend and ASIC : registers, motor tables, and gamma tables
+ * then ensure scanner's head is at home
+ */
+static SANE_Status
+gl124_init(Genesys_Device * dev)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+
+ DBG_INIT ();
+ DBGSTART;
+
+ status=sanei_genesys_asic_init(dev, 0);
+
+ DBGCOMPLETED;
+ return status;
+}
+
+
+/* *
+ * initialize ASIC from power on condition
+ */
+static SANE_Status
+gl124_boot (Genesys_Device * dev, SANE_Bool cold)
+{
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint8_t val;
+
+ DBGSTART;
+
+ /* reset ASIC in case of cold boot */
+ if(cold)
+ {
+ RIE (sanei_genesys_write_register (dev, 0x0e, 0x01));
+ RIE (sanei_genesys_write_register (dev, 0x0e, 0x00));
+ }
+
+ /* enable GPOE 17 */
+ RIE (sanei_genesys_write_register (dev, 0x36, 0x01));
+
+ /* set GPIO 17 */
+ RIE (sanei_genesys_read_register (dev, 0x33, &val));
+ val |= 0x01;
+ RIE (sanei_genesys_write_register (dev, 0x33, val));
+
+ /* test CHKVER */
+ RIE (sanei_genesys_read_register (dev, REG100, &val));
+ if (val & REG100_CHKVER)
+ {
+ RIE (sanei_genesys_read_register (dev, 0x00, &val));
+ DBG(DBG_info, "%s: reported version for genesys chip is 0x%02x\n", __func__, val);
+ }
+
+ /* Set default values for registers */
+ gl124_init_registers (dev);
+
+ /* Write initial registers */
+ RIE (dev->model->cmd_set->bulk_write_register(dev, dev->reg));
+
+ /* tune reg 0B */
+ val = REG0B_30MHZ | REG0B_ENBDRAM | REG0B_64M;
+ RIE (sanei_genesys_write_register (dev, REG0B, val));
+ dev->reg.remove_reg(0x0b);
+
+ /* set up end access */
+ RIE (sanei_genesys_write_0x8c (dev, 0x10, 0x0b));
+ RIE (sanei_genesys_write_0x8c (dev, 0x13, 0x0e));
+
+ /* CIS_LINE */
+ SETREG (0x08, REG08_CIS_LINE);
+ RIE (sanei_genesys_write_register (dev, 0x08, dev->reg.find_reg(0x08).value));
+
+ /* setup gpio */
+ RIE (gl124_init_gpio (dev));
+
+ /* setup internal memory layout */
+ RIE (gl124_init_memory_layout (dev));
+
+ DBGCOMPLETED;
+ return SANE_STATUS_GOOD;
+}
+
+
+static SANE_Status
+gl124_update_hardware_sensors (Genesys_Scanner * s)
+{
+ /* do what is needed to get a new set of events, but try to not loose
+ any of them.
+ */
+ SANE_Status status = SANE_STATUS_GOOD;
+ uint8_t val=0;
+
+ RIE (sanei_genesys_read_register (s->dev, REG31, &val));
+
+ /* TODO : for the next scanner special case,
+ * add another per scanner button profile struct to avoid growing
+ * hard-coded button mapping here.
+ */
+ if((s->dev->model->gpo_type == GPO_CANONLIDE110)
+ ||(s->dev->model->gpo_type == GPO_CANONLIDE120))
+ {
+ s->buttons[BUTTON_SCAN_SW].write((val & 0x01) == 0);
+ s->buttons[BUTTON_FILE_SW].write((val & 0x08) == 0);
+ s->buttons[BUTTON_EMAIL_SW].write((val & 0x04) == 0);
+ s->buttons[BUTTON_COPY_SW].write((val & 0x02) == 0);
+ }
+ else
+ { /* LiDE 210 case */
+ s->buttons[BUTTON_EXTRA_SW].write((val & 0x01) == 0);
+ s->buttons[BUTTON_SCAN_SW].write((val & 0x02) == 0);
+ s->buttons[BUTTON_COPY_SW].write((val & 0x04) == 0);
+ s->buttons[BUTTON_EMAIL_SW].write((val & 0x08) == 0);
+ s->buttons[BUTTON_FILE_SW].write((val & 0x10) == 0);
+ }
+ return status;
+}
+
+
+/** the gl124 command set */
+static Genesys_Command_Set gl124_cmd_set = {
+ "gl124-generic", /* the name of this set */
+
+ [](Genesys_Device* dev) -> bool { (void) dev; return true; },
+
+ gl124_init,
+ gl124_init_regs_for_warmup,
+ gl124_init_regs_for_coarse_calibration,
+ gl124_init_regs_for_shading,
+ gl124_init_regs_for_scan,
+
+ gl124_get_filter_bit,
+ gl124_get_lineart_bit,
+ gl124_get_bitset_bit,
+ gl124_get_gain4_bit,
+ gl124_get_fast_feed_bit,
+ gl124_test_buffer_empty_bit,
+ gl124_test_motor_flag_bit,
+
+ gl124_set_fe,
+ gl124_set_powersaving,
+ gl124_save_power,
+
+ gl124_begin_scan,
+ gl124_end_scan,
+
+ sanei_genesys_send_gamma_table,
+
+ gl124_search_start_position,
+
+ gl124_offset_calibration,
+ gl124_coarse_gain_calibration,
+ gl124_led_calibration,
+
+ gl124_wait_for_motor_stop,
+ gl124_slow_back_home,
+ gl124_rewind,
+
+ sanei_genesys_bulk_write_register,
+ NULL,
+ sanei_genesys_bulk_read_data,
+
+ gl124_update_hardware_sensors,
+
+ /* no sheetfed support for now */
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+
+ sanei_genesys_is_compatible_calibration,
+ NULL,
+ gl124_send_shading_data,
+ gl124_calculate_current_setup,
+ gl124_boot
+};
+
+SANE_Status
+sanei_gl124_init_cmd_set (Genesys_Device * dev)
+{
+ dev->model->cmd_set = &gl124_cmd_set;
+ return SANE_STATUS_GOOD;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 20:08:19 +0000