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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 16:59:49 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 16:59:49 +0200
commit1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (patch)
treed78102ce30207c63e7608eeba743efd680c888dc /backend/genesys_gl124.c
parent58912f68c2489bcee787599837447e0d64dfd61a (diff)
New upstream version 1.0.28upstream/1.0.28
Diffstat (limited to 'backend/genesys_gl124.c')
-rw-r--r--backend/genesys_gl124.c3997
1 files changed, 0 insertions, 3997 deletions
diff --git a/backend/genesys_gl124.c b/backend/genesys_gl124.c
deleted file mode 100644
index a98d3d4..0000000
--- a/backend/genesys_gl124.c
+++ /dev/null
@@ -1,3997 +0,0 @@
-/* sane - Scanner Access Now Easy.
-
- Copyright (C) 2010-2016 Stéphane Voltz <stef.dev@free.fr>
-
-
- This file is part of the SANE package.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
- As a special exception, the authors of SANE give permission for
- additional uses of the libraries contained in this release of SANE.
-
- The exception is that, if you link a SANE library with other files
- to produce an executable, this does not by itself cause the
- resulting executable to be covered by the GNU General Public
- License. Your use of that executable is in no way restricted on
- account of linking the SANE library code into it.
-
- This exception does not, however, invalidate any other reasons why
- the executable file might be covered by the GNU General Public
- License.
-
- If you submit changes to SANE to the maintainers to be included in
- a subsequent release, you agree by submitting the changes that
- those changes may be distributed with this exception intact.
-
- If you write modifications of your own for SANE, it is your choice
- whether to permit this exception to apply to your modifications.
- If you do not wish that, delete this exception notice.
-*/
-
-#undef BACKEND_NAME
-#define BACKEND_NAME genesys_gl124
-
-#include "genesys_gl124.h"
-
-/****************************************************************************
- Low level function
- ****************************************************************************/
-
-/* ------------------------------------------------------------------------ */
-/* Read and write RAM, registers and AFE */
-/* ------------------------------------------------------------------------ */
-
-
-/** @brief read scanned data
- * Read in 0xeff0 maximum sized blocks. This read is done in 2
- * parts if not multple of 512. First read is rounded to a multiple of 512 bytes, last read fetches the
- * remainder. Read addr is always 0x10000000 with the memory layout setup.
- * @param dev device to read data from
- * @param addr address within ASIC emory space
- * @param data pointer where to store the read data
- * @param len size to read
- */
-static SANE_Status
-gl124_bulk_read_data (Genesys_Device * dev, uint8_t addr,
- uint8_t * data, size_t len)
-{
- SANE_Status status;
- size_t size, target, read, done;
- uint8_t outdata[8], *buffer;
-
- DBG (DBG_io, "gl124_bulk_read_data: requesting %lu bytes (unused addr=0x%02x)\n", (u_long) len,addr);
-
- if (len == 0)
- return SANE_STATUS_GOOD;
-
- target = len;
- buffer = data;
-
- /* loop until computed data size is read */
- while (target)
- {
- if (target > 0xeff0)
- {
- size = 0xeff0;
- }
- else
- {
- size = target;
- }
-
- /* hard coded 0x10000000 addr */
- outdata[0] = 0;
- outdata[1] = 0;
- outdata[2] = 0;
- outdata[3] = 0x10;
-
- /* data size to transfer */
- outdata[4] = (size & 0xff);
- outdata[5] = ((size >> 8) & 0xff);
- outdata[6] = ((size >> 16) & 0xff);
- outdata[7] = ((size >> 24) & 0xff);
-
- status =
- sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
- VALUE_BUFFER, 0x00, sizeof (outdata),
- outdata);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s failed while writing command: %s\n",
- __func__, sane_strstatus (status));
- return status;
- }
-
- /* blocks must be multiple of 512 but not last block */
- read = size;
- read /= 512;
- read *= 512;
-
- if(read>0)
- {
- DBG (DBG_io2,
- "gl124_bulk_read_data: trying to read %lu bytes of data\n",
- (u_long) read);
- status = sanei_usb_read_bulk (dev->dn, data, &read);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_bulk_read_data failed while reading bulk data: %s\n",
- sane_strstatus (status));
- return status;
- }
- }
-
- /* read less than 512 bytes remainder */
- if (read < size)
- {
- done = read;
- read = size - read;
- DBG (DBG_io2,
- "gl124_bulk_read_data: trying to read remaining %lu bytes of data\n",
- (u_long) read);
- status = sanei_usb_read_bulk (dev->dn, data+done, &read);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_bulk_read_data failed while reading bulk data: %s\n",
- sane_strstatus (status));
- return status;
- }
- }
-
- DBG (DBG_io2, "%s: read %lu bytes, %lu remaining\n", __func__,
- (u_long) size, (u_long) (target - size));
-
- target -= size;
- data += size;
- }
-
- if (DBG_LEVEL >= DBG_data && dev->binary!=NULL)
- {
- fwrite(buffer, len, 1, dev->binary);
- }
-
- DBGCOMPLETED;
-
- return SANE_STATUS_GOOD;
-}
-
-/****************************************************************************
- Mid level functions
- ****************************************************************************/
-
-static SANE_Bool
-gl124_get_fast_feed_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG02);
- if (r && (r->value & REG02_FASTFED))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl124_get_filter_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG04);
- if (r && (r->value & REG04_FILTER))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl124_get_lineart_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG04);
- if (r && (r->value & REG04_LINEART))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl124_get_bitset_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG04);
- if (r && (r->value & REG04_BITSET))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-static SANE_Bool
-gl124_get_gain4_bit (Genesys_Register_Set * regs)
-{
- Genesys_Register_Set *r = NULL;
-
- r = sanei_genesys_get_address (regs, REG06);
- if (r && (r->value & REG06_GAIN4))
- return SANE_TRUE;
- return SANE_FALSE;
-}
-
-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]);
-}
-
-
-/* returns the max register bulk size */
-static int
-gl124_bulk_full_size (void)
-{
- return GENESYS_GL124_MAX_REGS;
-}
-
-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(Genesys_Model *model, int xres)
-{
- /* we have 2 domains for ccd: xres below or above half ccd max dpi */
- if (xres<=300 && (model->flags & GENESYS_FLAG_HALF_CCD_MODE))
- {
- 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;
-
- memset (dev->reg, 0, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
-
- /* 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[reg_0x05].value &= ~REG05_DPIHW;
- switch (dev->sensor.optical_res)
- {
- case 600:
- dev->reg[reg_0x05].value |= REG05_DPIHW_600;
- break;
- case 1200:
- dev->reg[reg_0x05].value |= REG05_DPIHW_1200;
- break;
- case 2400:
- dev->reg[reg_0x05].value |= REG05_DPIHW_2400;
- break;
- case 4800:
- dev->reg[reg_0x05].value |= REG05_DPIHW_4800;
- break;
- }
-
- /* initalize calibration reg */
- memcpy (dev->calib_reg, dev->reg,
- GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
-
- 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
- */
-GENESYS_STATIC SANE_Status
-gl124_send_slope_table (Genesys_Device * dev, int table_nr,
- uint16_t * slope_table, int steps)
-{
- SANE_Status status;
- uint8_t *table;
- int i;
- char msg[10000];
-
- DBG (DBG_proc, "%s (table_nr = %d, steps = %d)\n", __func__,
- table_nr, steps);
-
- /* 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;
- }
-
- table = (uint8_t *) malloc (steps * 2);
- for (i = 0; i < steps; i++)
- {
- table[i * 2] = slope_table[i] & 0xff;
- table[i * 2 + 1] = slope_table[i] >> 8;
- }
-
- if (DBG_LEVEL >= DBG_io)
- {
- sprintf (msg, "write slope %d (%d)=", table_nr, steps);
- for (i = 0; i < steps; i++)
- {
- sprintf (msg+strlen(msg), ",%d", slope_table[i]);
- }
- DBG (DBG_io, "%s: %s\n", __func__, msg);
- }
-
- /* slope table addresses are fixed */
- status =
- sanei_genesys_write_ahb (dev->dn, dev->usb_mode, 0x10000000 + 0x4000 * table_nr, steps * 2, table);
- 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));
- }
-
- free (table);
- 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;
- uint16_t val;
-
- DBGSTART;
- if (set == AFE_INIT)
- {
- DBG (DBG_proc, "%s: setting DAC %u\n", __func__, dev->model->dac_type);
-
- /* sets to default values */
- sanei_genesys_init_fe (dev);
- }
-
- /* 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 (i = 1; i < 4; i++)
- {
- val = dev->frontend.reg[i];
- status = sanei_genesys_fe_write_data (dev, i, val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%s: failed to write reg %d: %s\n", __func__, i,
- 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++)
- {
- val = dev->frontend.sign[i];
- status = sanei_genesys_fe_write_data (dev, 0x05 + i, val);
- 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, uint8_t set)
-{
- SANE_Status status;
- uint8_t val;
-
- DBG (DBG_proc, "gl124_set_fe (%s)\n",
- set == AFE_INIT ? "init" : set == AFE_SET ? "set" : set ==
- AFE_POWER_SAVE ? "powersave" : "huh?");
-
- if (set == AFE_INIT)
- {
- DBG (DBG_proc, "gl124_set_fe(): setting DAC %u\n",
- dev->model->dac_type);
- sanei_genesys_init_fe (dev);
- }
-
- RIE (sanei_genesys_read_register (dev, REG0A, &val));
-
- if(dev->usb_mode<0)
- {
- val=3<<REG0AS_SIFSEL;
- }
-
- /* 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;
-
- sensor=get_sensor_profile(dev->model->ccd_type, xres, half_ccd);
- return sensor->exposure;
-}
-
-
-static SANE_Status
-gl124_init_motor_regs_scan (Genesys_Device * dev,
- 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,
- int scan_mode,
- unsigned int flags)
-{
- SANE_Status status;
- 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;
- Genesys_Register_Set *r;
- uint32_t z1, z2;
- float yres;
- int min_speed;
- unsigned int linesel;
-
- DBGSTART;
- DBG (DBG_info, "gl124_init_motor_regs_scan : 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",
- scan_exposure_time,
- scan_yres,
- scan_step_type,
- scan_lines, scan_dummy, feed_steps, 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 == SCAN_MODE_COLOR)
- {
- 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 */
- r = sanei_genesys_get_address (reg, REG02);
- r->value = REG02_NOTHOME;
- r->value |= REG02_MTRPWR;
-
- if (use_fast_fed)
- r->value |= REG02_FASTFED;
- else
- r->value &= ~REG02_FASTFED;
-
- if (flags & MOTOR_FLAG_AUTO_GO_HOME)
- r->value |= REG02_AGOHOME;
-
- if ((flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE)
- ||(yres>=dev->sensor.optical_res))
- r->value |= REG02_ACDCDIS;
-
- /* 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 != SCAN_MODE_COLOR)
- {
- 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, "gl124_init_motor_regs_scan: z1 = %d\n", z1);
-
- sanei_genesys_set_triple(reg,REG_Z2MOD,z2);
- DBG (DBG_info, "gl124_init_motor_regs_scan: z2 = %d\n", z2);
-
- /* LINESEL */
- r = sanei_genesys_get_address (reg, REG1D);
- r->value = (r->value & ~REG1D_LINESEL) | linesel;
-
- r = sanei_genesys_get_address (reg, REGA0);
- r->value = (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, Genesys_Register_Set * regs, int dpi, int half_ccd)
-{
- Genesys_Register_Set *r;
- int i;
- Sensor_Profile *sensor;
- int dpihw;
- uint32_t exp;
-
- DBGSTART;
-
- /* we start at 6, 0-5 is a 16 bits cache for exposure */
- for (i = 0x06; i < 0x0e; i++)
- {
- r = sanei_genesys_get_address (regs, 0x10 + i);
- if (r)
- {
- r->value = dev->sensor.regs_0x10_0x1d[i];
- }
- }
-
- /* skip writing 5d,5e which is AFE address because
- * they are not deifned in register set */
- for (i = 0; i < 11; i++)
- {
- r = sanei_genesys_get_address (regs, 0x52 + i);
- if (r)
- {
- r->value = dev->sensor.regs_0x52_0x5e[i];
- }
- }
-
- /* set EXPDUMMY and CKxMAP */
- dpihw=sanei_genesys_compute_dpihw(dev,dpi);
- sensor=get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd);
-
- r = sanei_genesys_get_address (regs, 0x18);
- if (r)
- {
- r->value = sensor->reg18;
- }
- r = sanei_genesys_get_address (regs, 0x20);
- if (r)
- {
- r->value = sensor->reg20;
- }
- r = sanei_genesys_get_address (regs, 0x61);
- if (r)
- {
- r->value = sensor->reg61;
- }
- r = sanei_genesys_get_address (regs, 0x98);
- if (r)
- {
- r->value = sensor->reg98;
- }
-
- if(sensor->reg16!=0)
- {
- r = sanei_genesys_get_address (regs, 0x16);
- if (r)
- {
- r->value = sensor->reg16;
- }
- }
- if(sensor->reg70!=0)
- {
- r = sanei_genesys_get_address (regs, 0x70);
- if (r)
- {
- r->value = sensor->reg70;
- }
- }
-
- sanei_genesys_set_triple(regs,REG_SEGCNT,sensor->segcnt);
- sanei_genesys_set_double(regs,REG_TG0CNT,sensor->tg0cnt);
- sanei_genesys_set_double(regs,REG_EXPDMY,sensor->expdummy);
-
- /* if no calibration has been done, set default values for exposures */
- exp=dev->sensor.regs_0x10_0x1d[0]*256+dev->sensor.regs_0x10_0x1d[1];
- if(exp==0)
- {
- exp=sensor->expr;
- }
- sanei_genesys_set_triple(regs,REG_EXPR,exp);
-
- exp=dev->sensor.regs_0x10_0x1d[2]*256+dev->sensor.regs_0x10_0x1d[3];
- if(exp==0)
- {
- exp=sensor->expg;
- }
- sanei_genesys_set_triple(regs,REG_EXPG,exp);
-
- exp=dev->sensor.regs_0x10_0x1d[4]*256+dev->sensor.regs_0x10_0x1d[5];
- if(exp==0)
- {
- exp=sensor->expb;
- }
- sanei_genesys_set_triple(regs,REG_EXPB,exp);
-
- sanei_genesys_set_triple(regs,REG_CK1MAP,sensor->ck1map);
- sanei_genesys_set_triple(regs,REG_CK3MAP,sensor->ck3map);
- sanei_genesys_set_triple(regs,REG_CK4MAP,sensor->ck4map);
-
- /* order of the sub-segments */
- dev->order=sensor->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,
- 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,
- int 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;
- Genesys_Register_Set *r;
- SANE_Status status;
- 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, used_res * cksel);
- factor=dev->sensor.optical_res/dpihw;
- DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor);
-
- /* sensor parameters */
- gl124_setup_sensor (dev, reg, dpihw, half_ccd);
- dpiset = used_res * cksel;
-
- /* start and end coordinate in optical dpi coordinates */
- /* startx = start/cksel + dev->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, 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__);
- }
-
- if (flags & OPTICAL_FLAG_DISABLE_LAMP)
- r->value &= ~REG03_LAMPPWR;
- else
- r->value |= REG03_LAMPPWR;
-
- /* 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 0:
- r->value |= 0x10; /* red filter */
- break;
- case 2:
- r->value |= 0x30; /* blue filter */
- break;
- default:
- r->value |= 0x20; /* green filter */
- break;
- }
- }
-
- /* 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 */
- if(dev->oe_buffer.buffer!=NULL)
- {
- sanei_genesys_buffer_free (&(dev->oe_buffer));
- }
- RIE (sanei_genesys_buffer_alloc (&(dev->oe_buffer), 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,dev->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
- */
-GENESYS_STATIC
-SANE_Status
-gl124_init_scan_regs (Genesys_Device * dev,
- Genesys_Register_Set * reg,
- float xres, /*dpi */
- float yres, /*dpi */
- float startx, /*optical_res, from dummy_pixel+1 */
- float starty, /*base_ydpi, from home! */
- float pixels,
- float lines,
- unsigned int depth,
- unsigned int channels,
- __sane_unused__ int scan_method,
- int scan_mode,
- int color_filter,
- unsigned int flags)
-{
- int used_res;
- int start, used_pixels;
- int bytes_per_line;
- int move;
- unsigned int lincnt;
- 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 */
- int optical_res;
- SANE_Status status;
-
- DBG (DBG_info,
- "gl124_init_scan_regs settings:\n"
- "Resolution : %gDPI/%gDPI\n"
- "Lines : %g\n"
- "PPL : %g\n"
- "Startpos : %g/%g\n"
- "Depth/Channels: %u/%u\n"
- "Flags : %x\n\n",
- xres, yres, lines, pixels, startx, starty, depth, channels, flags);
-
- half_ccd=compute_half_ccd(dev->model, xres);
-
- /* optical_res */
- optical_res = dev->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 * 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 (flags & SCAN_FLAG_USE_OPTICAL_RES)
- {
- used_res = optical_res;
- }
- else
- {
- /* resolution is choosen from a fixed list and can be used directly,
- * unless we have ydpi higher than sensor's maximum one */
- if(xres>optical_res)
- used_res=optical_res;
- else
- used_res = xres;
- }
-
- /* compute scan parameters values */
- /* pixels are allways given at full optical resolution */
- /* use detected left margin and fixed value */
- /* start */
- /* add x coordinates */
- start = startx;
-
- if (stagger > 0)
- start |= 1;
-
- /* compute correct pixels number */
- used_pixels = (pixels * optical_res) / xres;
- DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels);
-
- /* round up pixels number if needed */
- if (used_pixels * xres < pixels * optical_res)
- used_pixels++;
-
- /* we want even number of pixels here */
- if(used_pixels & 1)
- used_pixels++;
-
- /* slope_dpi */
- /* cis color scan is effectively a gray scan with 3 gray lines per color line and a FILTER of 0 */
- if (dev->model->is_cis)
- slope_dpi = yres * channels;
- else
- slope_dpi = yres;
-
- /* scan_step_type */
- if(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, "gl124_init_scan_regs : exposure_time=%d pixels\n", exposure_time);
- DBG (DBG_info, "gl124_init_scan_regs : scan_step_type=%d\n", scan_step_type);
-
- /*** optical parameters ***/
- /* in case of dynamic lineart, we use an internal 8 bit gray scan
- * to generate 1 lineart data */
- if ((flags & SCAN_FLAG_DYNAMIC_LINEART) && (scan_mode == SCAN_MODE_LINEART))
- {
- depth = 8;
- }
-
- /* we enable true gray for cis scanners only, and just when doing
- * scan since color calibration is OK for this mode
- */
- oflags = 0;
- if (flags & SCAN_FLAG_DISABLE_SHADING)
- oflags |= OPTICAL_FLAG_DISABLE_SHADING;
- if (flags & SCAN_FLAG_DISABLE_GAMMA)
- oflags |= OPTICAL_FLAG_DISABLE_GAMMA;
- if (flags & SCAN_FLAG_DISABLE_LAMP)
- oflags |= OPTICAL_FLAG_DISABLE_LAMP;
- if (flags & SCAN_FLAG_CALIBRATION)
- oflags |= OPTICAL_FLAG_DISABLE_DOUBLE;
-
- if (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,
- reg,
- exposure_time,
- used_res,
- start,
- used_pixels,
- channels,
- depth,
- half_ccd,
- color_filter,
- oflags);
- if (status != SANE_STATUS_GOOD)
- return status;
-
- /*** motor parameters ***/
-
- /* max_shift */
- max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,flags);
-
- /* lines to scan */
- lincnt = lines + max_shift + stagger;
-
- /* add tl_y to base movement */
- move = starty;
- DBG (DBG_info, "gl124_init_scan_regs: move=%d steps\n", move);
-
- mflags=0;
- if(flags & SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE)
- mflags|=MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE;
- if(flags & SCAN_FLAG_FEEDING)
- mflags|=MOTOR_FLAG_FEED;
-
- status = gl124_init_motor_regs_scan (dev,
- reg,
- exposure_time,
- slope_dpi,
- scan_step_type,
- dev->model->is_cis ? lincnt * channels : lincnt,
- dummy,
- move,
- 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 * channels * depth) / 8;
-
- /* since we don't have sheetfed scanners to handle,
- * use huge read buffer */
- /* TODO find the best size according to settings */
- requested_buffer_size = 16 * bytes_per_line;
-
- read_buffer_size =
- 2 * requested_buffer_size +
- ((max_shift + stagger) * used_pixels * channels * depth) / 8;
-
- RIE (sanei_genesys_buffer_free (&(dev->read_buffer)));
- RIE (sanei_genesys_buffer_alloc (&(dev->read_buffer), read_buffer_size));
-
- RIE (sanei_genesys_buffer_free (&(dev->lines_buffer)));
- RIE (sanei_genesys_buffer_alloc (&(dev->lines_buffer), read_buffer_size));
-
- RIE (sanei_genesys_buffer_free (&(dev->shrink_buffer)));
- RIE (sanei_genesys_buffer_alloc (&(dev->shrink_buffer),
- requested_buffer_size));
-
- RIE (sanei_genesys_buffer_free (&(dev->out_buffer)));
- RIE (sanei_genesys_buffer_alloc (&(dev->out_buffer),
- (8 * dev->settings.pixels * channels *
- depth) / 8));
-
-
- dev->read_bytes_left = bytes_per_line * lincnt;
-
- DBG (DBG_info,
- "gl124_init_scan_regs: physical bytes to read = %lu\n",
- (u_long) dev->read_bytes_left);
- dev->read_active = SANE_TRUE;
-
-
- dev->current_setup.pixels = (used_pixels * used_res) / optical_res;
- DBG (DBG_info, "%s: current_setup.pixels=%d\n", __func__, dev->current_setup.pixels);
- dev->current_setup.lines = lincnt;
- dev->current_setup.depth = depth;
- dev->current_setup.channels = channels;
- dev->current_setup.exposure_time = exposure_time;
- dev->current_setup.xres = used_res;
- dev->current_setup.yres = yres;
- dev->current_setup.half_ccd = half_ccd;
- dev->current_setup.stagger = stagger;
- dev->current_setup.max_shift = max_shift + stagger;
-
- dev->total_bytes_read = 0;
- if (depth == 1)
- dev->total_bytes_to_read =
- ((dev->settings.pixels * dev->settings.lines) / 8 +
- (((dev->settings.pixels * dev->settings.lines) % 8) ? 1 : 0)) *
- channels;
- else
- dev->total_bytes_to_read =
- dev->settings.pixels * dev->settings.lines * channels * (depth / 8);
-
- DBG (DBG_info, "gl124_init_scan_regs: total bytes to send = %lu\n",
- (u_long) dev->total_bytes_to_read);
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static SANE_Status
-gl124_calculate_current_setup (Genesys_Device * dev)
-{
- int channels;
- int depth;
- int start;
-
- float xres; /*dpi */
- float yres; /*dpi */
- float startx; /*optical_res, from dummy_pixel+1 */
- float pixels;
- float lines;
-
- int used_res;
- int used_pixels;
- unsigned int lincnt;
- int exposure_time;
- int stagger;
- SANE_Bool half_ccd;
-
- int max_shift, dpihw;
- Sensor_Profile *sensor;
-
- int optical_res;
-
- DBG (DBG_info,
- "gl124_calculate_current_setup settings:\n"
- "Resolution: %ux%uDPI\n"
- "Lines : %u\n"
- "PPL : %u\n"
- "Startpos : %.3f/%.3f\n"
- "Scan mode : %d\n\n",
- dev->settings.xres,
- dev->settings.yres, dev->settings.lines, dev->settings.pixels,
- dev->settings.tl_x, dev->settings.tl_y, dev->settings.scan_mode);
-
- /* channels */
- if (dev->settings.scan_mode == 4) /* single pass color */
- channels = 3;
- else
- channels = 1;
-
- /* depth */
- depth = dev->settings.depth;
- if (dev->settings.scan_mode == 0)
- depth = 1;
-
- /* start */
- start = SANE_UNFIX (dev->model->x_offset);
- start += dev->settings.tl_x;
- start = (start * dev->sensor.optical_res) / MM_PER_INCH;
-
-
- xres = dev->settings.xres;
- yres = dev->settings.yres;
- startx = start;
- pixels = dev->settings.pixels;
- lines = dev->settings.lines;
-
- half_ccd=compute_half_ccd(dev->model, xres);
-
- DBG (DBG_info,
- "gl124_calculate_current_setup settings:\n"
- "Resolution : %gDPI/%gDPI\n"
- "Lines : %g\n"
- "PPL : %g\n"
- "Startpos : %g\n"
- "Half ccd : %d\n"
- "Depth/Channels: %u/%u\n\n",
- xres, yres, lines, pixels, startx, depth, half_ccd, channels);
-
- /* optical_res */
- optical_res = dev->sensor.optical_res;
-
- if(xres<=optical_res)
- used_res = xres;
- else
- used_res=optical_res;
-
- /* compute scan parameters values */
- /* pixels are allways given at half or full CCD optical resolution */
- /* use detected left margin and fixed value */
-
- /* compute correct pixels number */
- used_pixels = (pixels * optical_res) / xres;
- DBG (DBG_info, "%s: used_pixels=%d\n", __func__, used_pixels);
-
- /* exposure */
- exposure_time = gl124_compute_exposure (dev, 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,channels,yres,0);
-
- /* compute hw dpi for sensor */
- dpihw=sanei_genesys_compute_dpihw(dev,used_res);
-
- sensor=get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd);
- dev->segnb=sensor->reg98 & 0x0f;
-
- /* stagger */
- if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
- stagger = (4 * yres) / dev->motor.base_ydpi;
- else
- stagger = 0;
- DBG (DBG_info, "%s: stagger=%d lines\n", __func__, stagger);
-
- /* lincnt */
- lincnt = lines + max_shift + stagger;
-
- dev->current_setup.pixels = (used_pixels * used_res) / optical_res;
- DBG (DBG_info, "%s: current_setup.pixels=%d\n", __func__, dev->current_setup.pixels);
- dev->current_setup.lines = lincnt;
- dev->current_setup.depth = depth;
- dev->current_setup.channels = channels;
- dev->current_setup.exposure_time = exposure_time;
- dev->current_setup.xres = used_res;
- dev->current_setup.yres = yres;
- dev->current_setup.half_ccd = half_ccd;
- dev->current_setup.stagger = stagger;
- dev->current_setup.max_shift = max_shift + stagger;
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-static void
-gl124_set_motor_power (Genesys_Register_Set * regs, SANE_Bool set)
-{
-
- DBG (DBG_proc, "gl124_set_motor_power\n");
-
- if (set)
- {
- sanei_genesys_set_reg_from_set (regs, REG02,
- sanei_genesys_read_reg_from_set (regs,
- REG02)
- | REG02_MTRPWR);
- }
- else
- {
- sanei_genesys_set_reg_from_set (regs, REG02,
- sanei_genesys_read_reg_from_set (regs,
- REG02)
- & ~REG02_MTRPWR);
- }
-}
-
-static void
-gl124_set_lamp_power (Genesys_Device * dev,
- Genesys_Register_Set * regs, SANE_Bool set)
-{
- if (dev == NULL || regs==NULL)
- return;
-
- if (set)
- {
- sanei_genesys_set_reg_from_set (regs, 0x03,
- sanei_genesys_read_reg_from_set (regs,
- 0x03)
- | REG03_LAMPPWR);
- }
- else
- {
- sanei_genesys_set_reg_from_set (regs, 0x03,
- sanei_genesys_read_reg_from_set (regs,
- 0x03)
- & ~REG03_LAMPPWR);
- }
-}
-
-/**
- * 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, "gl124_save_power: enable = %d\n", 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 */ )
-{
- Genesys_Register_Set *r;
-
- DBG (DBG_proc, "gl124_set_powersaving (delay = %d)\n", 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;
-}
-
-#ifndef UNIT_TESTING
-static
-#endif
- SANE_Status
-gl124_start_action (Genesys_Device * dev)
-{
- return sanei_genesys_write_register (dev, 0x0f, 0x01);
-}
-
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl124_stop_action (Genesys_Device * dev)
-{
- SANE_Status status;
- 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 = sanei_genesys_read_reg_from_set (dev->reg, REG01);
- val &= ~REG01_SCAN;
- sanei_genesys_set_reg_from_set (dev->reg, REG01, val);
- status = sanei_genesys_write_register (dev, REG01, val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%s: failed to write register 01: %s\n", __func__,
- sane_strstatus (status));
- return status;
- }
- usleep (100 * 1000);
-
- loop = 10;
- while (loop > 0)
- {
- status = sanei_genesys_get_status (dev, &val);
- if (DBG_LEVEL >= DBG_io)
- {
- sanei_genesys_print_status (val);
- }
- 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;
- }
-
- usleep (100 * 1000);
- 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;
-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 ? */
-#ifndef UNIT_TESTING
-static
-#endif
- SANE_Status
-gl124_begin_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
- SANE_Bool start_motor)
-{
- SANE_Status status;
- 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 */
-#ifndef UNIT_TESTING
-static
-#endif
- SANE_Status
-gl124_end_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
- SANE_Bool check_stop)
-{
- SANE_Status status;
-
- DBG (DBG_proc, "gl124_end_scan (check_stop = %d)\n", 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,
- "gl124_end_scan: failed to stop: %s\n",
- 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
- */
-GENESYS_STATIC
-SANE_Status gl124_rewind(Genesys_Device * dev)
-{
- SANE_Status status;
- 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));
-
- /* and start scan, then wait completion */
- RIE (gl124_begin_scan (dev, dev->reg, SANE_TRUE));
- do
- {
- usleep(100*1000);
- 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 */
-GENESYS_STATIC
-SANE_Status
-gl124_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
-{
- Genesys_Register_Set local_reg[GENESYS_GL124_MAX_REGS];
- SANE_Status status;
- Genesys_Register_Set *r;
- uint8_t val;
- float resolution;
- int loop = 0;
-
- DBG (DBG_proc, "gl124_slow_back_home (wait_until_home = %d)\n",
- wait_until_home);
-
- if(dev->usb_mode<0)
- {
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
- }
-
- /* 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,
- "gl124_slow_back_home: failed to read home sensor: %s\n",
- sane_strstatus (status));
- return status;
- }
- if (DBG_LEVEL >= DBG_io)
- {
- sanei_genesys_print_status (val);
- }
- usleep (100000); /* sleep 100 ms */
-
- /* second is reliable */
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_slow_back_home: failed to read home sensor: %s\n",
- sane_strstatus (status));
- return status;
- }
- if (DBG_LEVEL >= DBG_io)
- {
- sanei_genesys_print_status (val);
- }
-
- /* 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 (strcmp (dev->model->name, "canon-lide-210") == 0)
- {
- 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;
- }
- }
-
- memcpy (local_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
- resolution=sanei_genesys_get_lowest_dpi(dev);
-
- status = gl124_init_scan_regs (dev,
- local_reg,
- resolution,
- resolution,
- 100,
- 30000,
- 100,
- 100,
- 8,
- 1,
- dev->settings.scan_method,
- SCAN_MODE_GRAY,
- 0,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_slow_back_home: failed to set up registers: %s\n",
- sane_strstatus (status));
- DBGCOMPLETED;
- return status;
- }
-
- /* clear scan and feed count */
- RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
-
- /* set up for reverse and no scan */
- r = sanei_genesys_get_address (local_reg, REG02);
- r->value |= REG02_MTRREV;
-
- RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL124_MAX_REGS));
-
- RIE(gl124_setup_scan_gpio(dev,resolution));
-
- status = gl124_start_action (dev);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_slow_back_home: failed to start motor: %s\n",
- sane_strstatus (status));
- gl124_stop_action (dev);
- /* restore original registers */
- dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL124_MAX_REGS);
- 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,
- "gl124_slow_back_home: failed to read home sensor: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- if (val & HOMESNR) /* home sensor */
- {
- DBG (DBG_info, "gl124_slow_back_home: reached home position\n");
- DBGCOMPLETED;
- dev->scanhead_position_in_steps = 0;
- return SANE_STATUS_GOOD;
- }
- usleep (100000); /* sleep 100 ms */
- ++loop;
- }
-
- /* when we come here then the scanner needed too much time for this, so we better stop the motor */
- gl124_stop_action (dev);
- DBG (DBG_error,
- "gl124_slow_back_home: timeout while waiting for scanhead to go home\n");
- return SANE_STATUS_IO_ERROR;
- }
-
- DBG (DBG_info, "gl124_slow_back_home: scanhead is still moving\n");
- 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
- * */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl124_feed (Genesys_Device * dev, unsigned int steps, int reverse)
-{
- Genesys_Register_Set local_reg[GENESYS_GL124_MAX_REGS];
- SANE_Status status;
- Genesys_Register_Set *r;
- float resolution;
- uint8_t val;
-
- DBGSTART;
- DBG (DBG_io, "%s: steps=%d\n", __func__, steps);
-
- /* prepare local registers */
- memcpy (local_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
-
- resolution=sanei_genesys_get_lowest_ydpi(dev);
- status = gl124_init_scan_regs (dev,
- local_reg,
- resolution,
- resolution,
- 0,
- steps,
- 100,
- 3,
- 8,
- 3,
- dev->settings.scan_method,
- SCAN_MODE_COLOR,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_FEEDING |
- SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- 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, GENESYS_GL124_MAX_REGS));
-
- 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, GENESYS_GL124_MAX_REGS);
- return status;
- }
-
- /* wait until feed count reaches the required value, but do not
- * exceed 30s */
- do
- {
- status = sanei_genesys_get_status (dev, &val);
- }
- while (status == SANE_STATUS_GOOD && !(val & FEEDFSH));
-
- /* 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;
- uint8_t *data;
- Genesys_Register_Set local_reg[GENESYS_GL124_MAX_REGS];
- int steps;
-
- int pixels = 600;
- int dpi = 300;
-
- DBGSTART;
-
- memcpy (local_reg, dev->reg,
- GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
-
- /* sets for a 200 lines * 600 pixels */
- /* normal scan with no shading */
-
- status = gl124_init_scan_regs (dev,
- local_reg,
- dpi,
- dpi,
- 0,
- 0, /*we should give a small offset here~60 steps */
- 600,
- dev->model->search_lines,
- 8,
- 1,
- dev->settings.scan_method,
- SCAN_MODE_GRAY,
- 1, /*green */
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_IGNORE_LINE_DISTANCE |
- SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE);
- if (status!=SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "%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, GENESYS_GL124_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_search_start_position: failed to bulk write registers: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- size = pixels * dev->model->search_lines;
-
- data = malloc (size);
- if (!data)
- {
- DBG (DBG_error,
- "gl124_search_start_position: failed to allocate memory\n");
- return SANE_STATUS_NO_MEM;
- }
-
- status = gl124_begin_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl124_search_start_position: failed to begin scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* waits for valid data */
- do
- sanei_genesys_test_buffer_empty (dev, &steps);
- while (steps);
-
- /* now we're on target, we can read data */
- status = sanei_genesys_read_data_from_scanner (dev, data, size);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl124_search_start_position: failed to read data: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file ("search_position.pnm", data, 8, 1, pixels,
- dev->model->search_lines);
-
- status = gl124_end_scan (dev, local_reg, SANE_TRUE);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl124_search_start_position: failed to end scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- /* update regs to copy ASIC internal state */
- memcpy (dev->reg, local_reg,
- GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
-
- status =
- sanei_genesys_search_reference_point (dev, data, 0, dpi, pixels,
- dev->model->search_lines);
- if (status != SANE_STATUS_GOOD)
- {
- free (data);
- DBG (DBG_error,
- "gl124_search_start_position: failed to set search reference point: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- free (data);
- 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)
-{
- SANE_Status status;
- uint8_t channels;
- uint8_t cksel;
-
- DBGSTART;
- cksel = (dev->calib_reg[reg_0x18].value & REG18_CKSEL) + 1; /* clock speed = 1..4 clocks */
-
- /* set line size */
- if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */
- channels = 3;
- else
- channels = 1;
-
- status = gl124_init_scan_regs (dev,
- dev->calib_reg,
- dev->settings.xres,
- dev->settings.yres,
- 0,
- 0,
- dev->sensor.optical_res / cksel,
- 20,
- 16,
- channels,
- dev->settings.scan_method,
- dev->settings.scan_mode,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_FEEDING |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_init_register_for_coarse_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
- gl124_set_motor_power (dev->calib_reg, SANE_FALSE);
-
- DBG (DBG_info,
- "gl124_init_register_for_coarse_calibration: optical sensor res: %d dpi, actual res: %d\n",
- dev->sensor.optical_res / cksel, dev->settings.xres);
-
- status = dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_init_register_for_coarse_calibration: failed to bulk write registers: %s\n",
- 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)
-{
- SANE_Status status;
- int move, resolution, dpihw, factor;
-
- DBGSTART;
-
- /* initial calibration reg values */
- memcpy (dev->calib_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
-
- dev->calib_channels = 3;
- dev->calib_lines = dev->model->shading_lines;
- dpihw=sanei_genesys_compute_dpihw(dev,dev->settings.xres);
- if(dpihw>=2400)
- {
- dev->calib_lines *= 2;
- }
- resolution=dpihw;
-
- /* if half CCD mode, use half resolution */
- if(compute_half_ccd(dev->model, dev->settings.xres)==SANE_TRUE)
- {
- resolution /= 2;
- dev->calib_lines /= 2;
- }
- dev->calib_resolution = resolution;
- factor=dev->sensor.optical_res/resolution;
- dev->calib_pixels = dev->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);
-
- status = gl124_init_scan_regs (dev,
- dev->calib_reg,
- resolution,
- resolution,
- 0,
- move,
- dev->calib_pixels,
- dev->calib_lines,
- 16,
- dev->calib_channels,
- dev->settings.scan_method,
- SCAN_MODE_COLOR,
- 0,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- gl124_set_motor_power (dev->calib_reg, SANE_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, dev->calib_reg, GENESYS_GL124_MAX_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;
-}
-
-/** @brief set up registers for the actual scan
- */
-static SANE_Status
-gl124_init_regs_for_scan (Genesys_Device * dev)
-{
- int channels;
- int flags;
- int depth;
- float move;
- int move_dpi;
- float start;
- uint8_t val40,val;
-
- SANE_Status status;
-
- DBG (DBG_info,
- "gl124_init_regs_for_scan settings:\nResolution: %ux%uDPI\n"
- "Lines : %u\npixels : %u\nStartpos : %.3f/%.3f\nScan mode : %d\n\n",
- dev->settings.xres,
- dev->settings.yres,
- dev->settings.lines,
- dev->settings.pixels,
- dev->settings.tl_x,
- dev->settings.tl_y,
- dev->settings.scan_mode);
-
- /* wait for motor to stop first */
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to read status: %s\n", __func__, sane_strstatus (status));
- DBGCOMPLETED;
- return status;
- }
- 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;
- }
- if((val & MOTORENB) || (val40 & REG100_MOTMFLG))
- {
- do
- {
- usleep(10000);
- status = sanei_genesys_get_status (dev, &val);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to read status: %s\n", __func__, sane_strstatus (status));
- DBGCOMPLETED;
- return status;
- }
- 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;
- }
- } while ((val & MOTORENB) || (val40 & REG100_MOTMFLG));
- usleep(50000);
- }
-
- /* ensure head is parked in case of calibration */
- RIE (gl124_slow_back_home (dev, SANE_TRUE));
-
- /* channels */
- if (dev->settings.scan_mode == SCAN_MODE_COLOR)
- channels = 3;
- else
- channels = 1;
-
- /* depth */
- depth = dev->settings.depth;
- if (dev->settings.scan_mode == SCAN_MODE_LINEART)
- depth = 1;
-
- /* 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, "gl124_init_regs_for_scan: move=%f steps\n", move);
-
- /* start */
- start = SANE_UNFIX (dev->model->x_offset);
- start += dev->settings.tl_x;
- if(compute_half_ccd(dev->model, dev->settings.xres)==SANE_TRUE)
- {
- start /=2;
- }
- start = (start * dev->sensor.optical_res) / MM_PER_INCH;
-
- flags = 0;
-
- /* enable emulated lineart from gray data */
- if(dev->settings.scan_mode == SCAN_MODE_LINEART
- && dev->settings.dynamic_lineart)
- {
- flags |= SCAN_FLAG_DYNAMIC_LINEART;
- }
-
- status = gl124_init_scan_regs (dev,
- dev->reg,
- dev->settings.xres,
- dev->settings.yres,
- start,
- move,
- dev->settings.pixels,
- dev->settings.lines,
- depth,
- channels,
- dev->settings.scan_method,
- dev->settings.scan_mode,
- dev->settings.color_filter,
- flags);
-
- 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.
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl124_send_shading_data (Genesys_Device * dev, 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,*buffer,*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,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);
- buffer=(uint8_t *)malloc(pixels*dev->segnb);
- memset(buffer,0,pixels*dev->segnb);
-
- /* write actual red data */
- for(i=0;i<3;i++)
- {
- /* copy data to work buffer and process it */
- /* coefficent destination */
- ptr=buffer;
-
- /* 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->dn, dev->usb_mode, addr, pixels*dev->segnb, buffer);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "gl124_send_shading_data; write to AHB failed (%s)\n",
- sane_strstatus (status));
- return status;
- }
- }
-
- free(buffer);
- 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)
-{
- int pixels;
- int size;
- uint8_t *line;
- SANE_Status status = SANE_STATUS_GOOD;
-
- DBGSTART;
-
- pixels = (dev->sensor.sensor_pixels*600)/dev->sensor.optical_res;
-
- /* initial calibration reg values */
- memcpy (dev->calib_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
-
- /* set up for the calibration scan */
- status = gl124_init_scan_regs (dev,
- dev->calib_reg,
- 600,
- 600,
- 0,
- 0,
- pixels,
- 1,
- 8,
- 3,
- dev->settings.scan_method,
- SCAN_MODE_COLOR,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status));
- return status;
- }
-
- size = pixels * 3;
- line = malloc (size);
- if (!line)
- return SANE_STATUS_NO_MEM;
-
- /* write registers and scan data */
- RIEF (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS), line);
-
- DBG (DBG_info, "%s: starting line reading\n", __func__);
- RIEF (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE), line);
- RIEF (sanei_genesys_read_data_from_scanner (dev, line, size), line);
-
- /* stop scanning */
- RIE (gl124_stop_action (dev));
-
- if (DBG_LEVEL >= DBG_data)
- {
- sanei_genesys_write_pnm_file ("movetocalarea.pnm", line, 8, 3, pixels, 1);
- }
-
- /* cleanup before return */
- free (line);
-
- 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)
-{
- int num_pixels;
- int total_size;
- int resolution;
- int dpihw;
- uint8_t *line;
- int i, j;
- SANE_Status status = SANE_STATUS_GOOD;
- int val;
- int channels, depth;
- int avg[3];
- int turn;
- char fn[20];
- uint16_t exp[3],target;
- Sensor_Profile *sensor;
- SANE_Bool acceptable;
- SANE_Bool half_ccd;
-
- DBGSTART;
-
- /* move to calibration area */
- move_to_calibration_area(dev);
-
- /* offset calibration is always done in 16 bit depth color mode */
- channels = 3;
- depth=16;
- dpihw=sanei_genesys_compute_dpihw(dev, dev->settings.xres);
- half_ccd=compute_half_ccd(dev->model, dev->settings.xres);
- if(half_ccd==SANE_TRUE)
- {
- resolution = dpihw/2;
- }
- else
- {
- resolution = dpihw;
- }
- sensor=get_sensor_profile(dev->model->ccd_type, dpihw, half_ccd);
- num_pixels = (dev->sensor.sensor_pixels*resolution)/dev->sensor.optical_res;
-
- /* initial calibration reg values */
- memcpy (dev->calib_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
-
- /* set up for the calibration scan */
- status = gl124_init_scan_regs (dev,
- dev->calib_reg,
- resolution,
- resolution,
- 0,
- 0,
- num_pixels,
- 1,
- depth,
- channels,
- dev->settings.scan_method,
- SCAN_MODE_COLOR,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status));
- return status;
- }
-
- total_size = num_pixels * channels * (depth/8) * 1; /* colors * bytes_per_color * scan lines */
- line = malloc (total_size);
- if (!line)
- return SANE_STATUS_NO_MEM;
-
- /* initial loop values and boundaries */
- exp[0]=sensor->expr;
- exp[1]=sensor->expg;
- exp[2]=sensor->expb;
- target=dev->sensor.gain_white_ref*256;
-
- turn = 0;
-
- /* no move during led calibration */
- gl124_set_motor_power (dev->calib_reg, SANE_FALSE);
- do
- {
- /* set up exposure */
- sanei_genesys_set_triple(dev->calib_reg,REG_EXPR,exp[0]);
- sanei_genesys_set_triple(dev->calib_reg,REG_EXPG,exp[1]);
- sanei_genesys_set_triple(dev->calib_reg,REG_EXPB,exp[2]);
-
- /* write registers and scan data */
- RIEF (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS), line);
-
- DBG (DBG_info, "gl124_led_calibration: starting line reading\n");
- RIEF (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE), line);
- RIEF (sanei_genesys_read_data_from_scanner (dev, line, total_size), line);
-
- /* stop scanning */
- RIEF (gl124_stop_action (dev), line);
-
- if (DBG_LEVEL >= DBG_data)
- {
- snprintf (fn, 20, "led_%02d.pnm", turn);
- sanei_genesys_write_pnm_file (fn, line, 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, "gl124_led_calibration: average: %d,%d,%d\n", 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, "gl124_led_calibration: acceptable exposure: %d,%d,%d\n", 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 */
- dev->sensor.regs_0x10_0x1d[0] = (exp[0] >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[1] = exp[0] & 0xff;
- dev->sensor.regs_0x10_0x1d[2] = (exp[1] >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[3] = exp[1] & 0xff;
- dev->sensor.regs_0x10_0x1d[4] = (exp[2] >> 8) & 0xff;
- dev->sensor.regs_0x10_0x1d[5] = exp[2] & 0xff;
-
- /* cleanup before return */
- free (line);
-
- 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, "dark_average: avg[%d] = %d\n", k, avg[k]);
- }
- average = 0;
- for (i = 0; i < channels; i++)
- average += avg[i];
- average /= channels;
- DBG (DBG_info, "dark_average: average = %d\n", average);
- return average;
-}
-
-
-static SANE_Status
-gl124_offset_calibration (Genesys_Device * dev)
-{
- SANE_Status status = SANE_STATUS_GOOD;
- uint8_t *first_line, *second_line, reg0a;
- unsigned int channels, bpp;
- char title[32];
- 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=dev->sensor.optical_res;
- dev->calib_pixels = dev->sensor.sensor_pixels;
- lines=1;
- bpp=8;
- pixels= (dev->sensor.sensor_pixels*resolution) / dev->sensor.optical_res;
- black_pixels = (dev->sensor.black_pixels * resolution) / dev->sensor.optical_res;
- DBG (DBG_io2, "gl124_offset_calibration: black_pixels=%d\n", black_pixels);
-
- status = gl124_init_scan_regs (dev,
- dev->calib_reg,
- resolution,
- resolution,
- 0,
- 0,
- pixels,
- lines,
- bpp,
- channels,
- dev->settings.scan_method,
- SCAN_MODE_COLOR,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_offset_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
- gl124_set_motor_power (dev->calib_reg, SANE_FALSE);
-
- /* allocate memory for scans */
- total_size = pixels * channels * lines * (bpp/8); /* colors * bytes_per_color * scan lines */
-
- first_line = malloc (total_size);
- if (!first_line)
- return SANE_STATUS_NO_MEM;
-
- second_line = malloc (total_size);
- if (!second_line)
- {
- free (first_line);
- return SANE_STATUS_NO_MEM;
- }
-
- /* init gain */
- dev->frontend.gain[0] = 0;
- dev->frontend.gain[1] = 0;
- dev->frontend.gain[2] = 0;
-
- /* scan with no move */
- bottom = 10;
- dev->frontend.offset[0] = bottom;
- dev->frontend.offset[1] = bottom;
- dev->frontend.offset[2] = bottom;
-
- RIEF2 (gl124_set_fe(dev, AFE_SET), first_line, second_line);
- RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS), first_line, second_line);
- DBG (DBG_info, "gl124_offset_calibration: starting first line reading\n");
- RIEF2 (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
- RIEF2 (sanei_genesys_read_data_from_scanner (dev, first_line, total_size), first_line, second_line);
- if (DBG_LEVEL >= DBG_data)
- {
- snprintf(title,20,"offset%03d.pnm",bottom);
- sanei_genesys_write_pnm_file (title, first_line, bpp, channels, pixels, lines);
- }
-
- bottomavg = dark_average (first_line, pixels, lines, channels, black_pixels);
- DBG (DBG_io2, "gl124_offset_calibration: bottom avg=%d\n", bottomavg);
-
- /* now top value */
- top = 255;
- dev->frontend.offset[0] = top;
- dev->frontend.offset[1] = top;
- dev->frontend.offset[2] = top;
- RIEF2 (gl124_set_fe(dev, AFE_SET), first_line, second_line);
- RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS), first_line, second_line);
- DBG (DBG_info, "gl124_offset_calibration: starting second line reading\n");
- RIEF2 (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
- RIEF2 (sanei_genesys_read_data_from_scanner (dev, second_line, total_size), first_line, second_line);
-
- topavg = dark_average (second_line, pixels, lines, channels, black_pixels);
- DBG (DBG_io2, "gl124_offset_calibration: top avg=%d\n", topavg);
-
- /* loop until acceptable level */
- while ((pass < 32) && (top - bottom > 1))
- {
- pass++;
-
- /* settings for new scan */
- dev->frontend.offset[0] = (top + bottom) / 2;
- dev->frontend.offset[1] = (top + bottom) / 2;
- dev->frontend.offset[2] = (top + bottom) / 2;
-
- /* scan with no move */
- RIEF2 (gl124_set_fe(dev, AFE_SET), first_line, second_line);
- RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS), first_line, second_line);
- DBG (DBG_info, "gl124_offset_calibration: starting second line reading\n");
- RIEF2 (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
- RIEF2 (sanei_genesys_read_data_from_scanner (dev, second_line, total_size), first_line, second_line);
-
- if (DBG_LEVEL >= DBG_data)
- {
- sprintf (title, "offset%03d.pnm", dev->frontend.offset[1]);
- sanei_genesys_write_pnm_file (title, second_line, bpp, channels, pixels, lines);
- }
-
- avg = dark_average (second_line, pixels, lines, channels, black_pixels);
- DBG (DBG_info, "gl124_offset_calibration: avg=%d offset=%d\n", avg,
- dev->frontend.offset[1]);
-
- /* compute new boundaries */
- if (topavg == avg)
- {
- topavg = avg;
- top = dev->frontend.offset[1];
- }
- else
- {
- bottomavg = avg;
- bottom = dev->frontend.offset[1];
- }
- }
- DBG (DBG_info, "gl124_offset_calibration: offset=(%d,%d,%d)\n", dev->frontend.offset[0], dev->frontend.offset[1], dev->frontend.offset[2]);
-
- /* cleanup before return */
- free (first_line);
- free (second_line);
-
- DBGCOMPLETED;
- return SANE_STATUS_GOOD;
-}
-
-
-/* alternative coarse gain calibration
- this on uses the settings from offset_calibration and
- uses only one scanline
- */
-/*
- with offset and coarse calibration we only want to get our input range into
- a reasonable shape. the fine calibration of the upper and lower bounds will
- be done with shading.
- */
-static SANE_Status
-gl124_coarse_gain_calibration (Genesys_Device * dev, int dpi)
-{
- int pixels;
- int total_size;
- uint8_t *line, 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, "gl124_coarse_gain_calibration: dpi = %d\n", 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<dev->sensor.optical_res)
- {
- coeff=0.9;
- /*resolution=dev->sensor.optical_res/2;*/
- resolution=dev->sensor.optical_res;
- }
- else
- {
- resolution=dev->sensor.optical_res;
- coeff=1.0;
- }
- lines=10;
- bpp=8;
- pixels = (dev->sensor.sensor_pixels * resolution) / dev->sensor.optical_res;
-
- status = gl124_init_scan_regs (dev,
- dev->calib_reg,
- resolution,
- resolution,
- 0,
- 0,
- pixels,
- lines,
- bpp,
- channels,
- dev->settings.scan_method,
- SCAN_MODE_COLOR,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
- gl124_set_motor_power (dev->calib_reg, SANE_FALSE);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_coarse_calibration: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- RIE (dev->model->cmd_set->bulk_write_register
- (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS));
-
- total_size = pixels * channels * (16/bpp) * lines;
-
- line = malloc (total_size);
- if (!line)
- return SANE_STATUS_NO_MEM;
-
- RIEF (gl124_set_fe(dev, AFE_SET), line);
- RIEF (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE), line);
- RIEF (sanei_genesys_read_data_from_scanner (dev, line, total_size), line);
-
- if (DBG_LEVEL >= DBG_data)
- sanei_genesys_write_pnm_file ("coarse.pnm", line, bpp, channels, pixels, lines);
-
- /* average value on each channel */
- for (j = 0; j < channels; j++)
- {
- max[j] = 0;
- for (i = pixels/4; i < (pixels*3/4); i++)
- {
- if(bpp==16)
- {
- if (dev->model->is_cis)
- val =
- line[i * 2 + j * 2 * pixels + 1] * 256 +
- line[i * 2 + j * 2 * pixels];
- else
- val =
- line[i * 2 * channels + 2 * j + 1] * 256 +
- line[i * 2 * channels + 2 * j];
- }
- else
- {
- if (dev->model->is_cis)
- val = line[i + j * pixels];
- else
- val = line[i * channels + j];
- }
-
- max[j] += val;
- }
- max[j] = max[j] / (pixels/2);
-
- gain[j] = ((float) dev->sensor.gain_white_ref*coeff) / max[j];
-
- /* turn logical gain value into gain code, checking for overflow */
- code = 283 - 208 / gain[j];
- if (code > 255)
- code = 255;
- else if (code < 0)
- code = 0;
- dev->frontend.gain[j] = code;
-
- DBG (DBG_proc,
- "gl124_coarse_gain_calibration: channel %d, max=%d, gain = %f, setting:%d\n",
- j, max[j], gain[j], dev->frontend.gain[j]);
- }
-
- if (dev->model->is_cis)
- {
- if (dev->frontend.gain[0] > dev->frontend.gain[1])
- dev->frontend.gain[0] = dev->frontend.gain[1];
- if (dev->frontend.gain[0] > dev->frontend.gain[2])
- dev->frontend.gain[0] = dev->frontend.gain[2];
- dev->frontend.gain[2] = dev->frontend.gain[1] = dev->frontend.gain[0];
- }
-
- if (channels == 1)
- {
- dev->frontend.gain[0] = dev->frontend.gain[1];
- dev->frontend.gain[2] = dev->frontend.gain[1];
- }
-
- free (line);
-
- RIE (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,
- 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;
-
- memcpy (reg, dev->reg, (GENESYS_GL124_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
- status = gl124_init_scan_regs (dev,
- reg,
- dev->sensor.optical_res,
- dev->motor.base_ydpi,
- dev->sensor.sensor_pixels/4,
- 0,
- dev->sensor.sensor_pixels/2,
- 1,
- 8,
- *channels,
- dev->settings.scan_method,
- SCAN_MODE_COLOR,
- dev->settings.color_filter,
- SCAN_FLAG_DISABLE_SHADING |
- SCAN_FLAG_DISABLE_GAMMA |
- SCAN_FLAG_SINGLE_LINE |
- SCAN_FLAG_IGNORE_LINE_DISTANCE);
-
- if (status != SANE_STATUS_GOOD)
- {
- DBG (DBG_error,
- "gl124_init_regs_for_warmup: failed to setup scan: %s\n",
- sane_strstatus (status));
- return status;
- }
-
- num_pixels = dev->current_setup.pixels;
-
- *total_size = num_pixels * 3 * 1; /* colors * bytes_per_color * scan lines */
-
- gl124_set_motor_power (reg, SANE_FALSE);
- RIE (dev->model->cmd_set->bulk_write_register (dev, reg, GENESYS_GL124_MAX_REGS));
-
- 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 (strcmp (dev->model->name, "canon-lide-110") == 0)
- {
- idx = 0;
- }
- else if (strcmp (dev->model->name, "canon-lide-110") == 0)
- {
- 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 ((strcmp (dev->model->name, "canon-lide-110") == 0)
- ||(strcmp (dev->model->name, "canon-lide-120") == 0))
- {
- 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
- */
-#ifndef UNIT_TESTING
-static
-#endif
-SANE_Status
-gl124_init (Genesys_Device * dev)
-{
- SANE_Status status;
-
- DBG_INIT ();
- DBGSTART;
-
- status=sanei_genesys_asic_init(dev, GENESYS_GL124_MAX_REGS);
-
- DBGCOMPLETED;
- return status;
-}
-
-
-/* *
- * initialize ASIC from power on condition
- */
-static SANE_Status
-gl124_boot (Genesys_Device * dev, SANE_Bool cold)
-{
- SANE_Status status;
- 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,
- "gl124_cold_boot: reported version for genesys chip is 0x%02x\n",
- val);
- }
-
- /* Set default values for registers */
- gl124_init_registers (dev);
-
- /* Write initial registers */
- RIE (dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL124_MAX_REGS));
-
- /* tune reg 0B */
- val = REG0B_30MHZ | REG0B_ENBDRAM | REG0B_64M;
- RIE (sanei_genesys_write_register (dev, REG0B, val));
- dev->reg[reg_0x0b].address = 0x00;
-
- /* 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[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))
- {
- if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
- s->val[OPT_SCAN_SW].b = (val & 0x01) == 0;
- if (s->val[OPT_FILE_SW].b == s->last_val[OPT_FILE_SW].b)
- s->val[OPT_FILE_SW].b = (val & 0x08) == 0;
- if (s->val[OPT_EMAIL_SW].b == s->last_val[OPT_EMAIL_SW].b)
- s->val[OPT_EMAIL_SW].b = (val & 0x04) == 0;
- if (s->val[OPT_COPY_SW].b == s->last_val[OPT_COPY_SW].b)
- s->val[OPT_COPY_SW].b = (val & 0x02) == 0;
- }
- else
- { /* LiDE 210 case */
- if (s->val[OPT_EXTRA_SW].b == s->last_val[OPT_EXTRA_SW].b)
- s->val[OPT_EXTRA_SW].b = (val & 0x01) == 0;
- if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
- s->val[OPT_SCAN_SW].b = (val & 0x02) == 0;
- if (s->val[OPT_COPY_SW].b == s->last_val[OPT_COPY_SW].b)
- s->val[OPT_COPY_SW].b = (val & 0x04) == 0;
- if (s->val[OPT_EMAIL_SW].b == s->last_val[OPT_EMAIL_SW].b)
- s->val[OPT_EMAIL_SW].b = (val & 0x08) == 0;
- if (s->val[OPT_FILE_SW].b == s->last_val[OPT_FILE_SW].b)
- s->val[OPT_FILE_SW].b = (val & 0x10) == 0;
- }
- return status;
-}
-
-
-/** the gl124 command set */
-static Genesys_Command_Set gl124_cmd_set = {
- "gl124-generic", /* the name of this set */
-
- 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_bulk_full_size,
-
- gl124_set_fe,
- gl124_set_powersaving,
- gl124_save_power,
-
- gl124_set_motor_power,
- gl124_set_lamp_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_slow_back_home,
- gl124_rewind,
-
- sanei_genesys_bulk_write_register,
- NULL,
- gl124_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,
- gl124_init_scan_regs
-};
-
-SANE_Status
-sanei_gl124_init_cmd_set (Genesys_Device * dev)
-{
- dev->model->cmd_set = &gl124_cmd_set;
- return SANE_STATUS_GOOD;
-}
-
-/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 10:11:09 +0000