diff options
Diffstat (limited to 'backend/genesys_gl847.c')
| -rw-r--r-- | backend/genesys_gl847.c | 151 |
1 files changed, 96 insertions, 55 deletions
diff --git a/backend/genesys_gl847.c b/backend/genesys_gl847.c index 7c4d19c..a3b35a2 100644 --- a/backend/genesys_gl847.c +++ b/backend/genesys_gl847.c @@ -1,6 +1,6 @@ /* sane - Scanner Access Now Easy. - Copyright (C) 2010-2013 Stéphane Voltz <stef.dev@free.fr> + Copyright (C) 2010-2013 Stéphane Voltz <stef.dev@free.fr> This file is part of the SANE package. @@ -113,7 +113,7 @@ gl847_bulk_read_data (Genesys_Device * dev, uint8_t addr, if (status != SANE_STATUS_GOOD) { DBG (DBG_error, "%s failed while writing command: %s\n", - __FUNCTION__, sane_strstatus (status)); + __func__, sane_strstatus (status)); return status; } @@ -158,7 +158,7 @@ gl847_bulk_read_data (Genesys_Device * dev, uint8_t addr, DBG (DBG_io2, "gl847_bulk_read_data: %lu bytes of data read\n", (u_long) done); } - DBG (DBG_io2, "%s: read %lu bytes, %lu remaining\n", __FUNCTION__, + DBG (DBG_io2, "%s: read %lu bytes, %lu remaining\n", __func__, (u_long) size, (u_long) (target - size)); target -= size; @@ -265,7 +265,7 @@ gl847_get_step_multiplier (Genesys_Register_Set * regs) value = (r->value & 0x0f)>>1; value = 1 << value; } - DBG (DBG_io, "%s: step multiplier is %d\n", __FUNCTION__, value); + DBG (DBG_io, "%s: step multiplier is %d\n", __func__, value); return value; } @@ -313,7 +313,7 @@ static Sensor_Profile *get_sensor_profile(int sensor_type, int dpi) /* default fallback */ if(idx<0) { - DBG (DBG_warn,"%s: using default sensor profile\n",__FUNCTION__); + DBG (DBG_warn,"%s: using default sensor profile\n",__func__); idx=0; } @@ -600,13 +600,13 @@ gl847_send_slope_table (Genesys_Device * dev, int table_nr, int i; char msg[10000]; - DBG (DBG_proc, "%s (table_nr = %d, steps = %d)\n", __FUNCTION__, + 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", __FUNCTION__, table_nr); + DBG (DBG_error, "%s: invalid table number %d!\n", __func__, table_nr); return SANE_STATUS_INVAL; } @@ -624,7 +624,7 @@ gl847_send_slope_table (Genesys_Device * dev, int table_nr, { sprintf (msg+strlen(msg), "%d", slope_table[i]); } - DBG (DBG_io, "%s: %s\n", __FUNCTION__, msg); + DBG (DBG_io, "%s: %s\n", __func__, msg); } /* slope table addresses are fixed */ @@ -634,7 +634,7 @@ gl847_send_slope_table (Genesys_Device * dev, int table_nr, { DBG (DBG_error, "%s: write to AHB failed writing slope table %d (%s)\n", - __FUNCTION__, table_nr, sane_strstatus (status)); + __func__, table_nr, sane_strstatus (status)); } free (table); @@ -824,10 +824,10 @@ gl847_init_motor_regs_scan (Genesys_Device * dev, { use_fast_fed=1; } - DBG (DBG_io, "%s: use_fast_fed=%d\n", __FUNCTION__, use_fast_fed); + DBG (DBG_io, "%s: use_fast_fed=%d\n", __func__, use_fast_fed); sanei_genesys_set_triple(reg, REG_LINCNT, scan_lines); - DBG (DBG_io, "%s: lincnt=%d\n", __FUNCTION__, scan_lines); + DBG (DBG_io, "%s: lincnt=%d\n", __func__, scan_lines); /* compute register 02 value */ r = sanei_genesys_get_address (reg, REG02); @@ -906,8 +906,8 @@ gl847_init_motor_regs_scan (Genesys_Device * dev, if (flags & MOTOR_FLAG_FEED) dist *=2; } - DBG (DBG_io2, "%s: scan steps=%d\n", __FUNCTION__, scan_steps); - DBG (DBG_io2, "%s: acceleration distance=%d\n", __FUNCTION__, dist); + DBG (DBG_io2, "%s: scan steps=%d\n", __func__, scan_steps); + DBG (DBG_io2, "%s: acceleration distance=%d\n", __func__, dist); /* check for overflow */ if(dist<feedl) @@ -916,7 +916,7 @@ gl847_init_motor_regs_scan (Genesys_Device * dev, feedl = 0; sanei_genesys_set_triple(reg,REG_FEEDL,feedl); - DBG (DBG_io ,"%s: feedl=%d\n",__FUNCTION__,feedl); + DBG (DBG_io ,"%s: feedl=%d\n",__func__,feedl); r = sanei_genesys_get_address (reg, REG0C); ccdlmt=(r->value & REG0C_CCDLMT)+1; @@ -1048,13 +1048,13 @@ gl847_init_optical_regs_scan (Genesys_Device * dev, /* 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", __FUNCTION__, cksel); + 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", __FUNCTION__, dpihw, factor); + DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor); /* sensor parameters */ sensor=get_sensor_profile(dev->model->ccd_type, dpihw); @@ -1239,20 +1239,20 @@ gl847_init_optical_regs_scan (Genesys_Device * dev, dev->line_interp = 0; sanei_genesys_set_double(reg,REG_DPISET,dpiset); - DBG (DBG_io2, "%s: dpiset used=%d\n", __FUNCTION__, dpiset); + DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset); sanei_genesys_set_double(reg,REG_STRPIXEL,startx); sanei_genesys_set_double(reg,REG_ENDPIXEL,endx); - DBG (DBG_io2, "%s: startx=%d\n", __FUNCTION__, startx); - DBG (DBG_io2, "%s: endx =%d\n", __FUNCTION__, endx); + DBG (DBG_io2, "%s: startx=%d\n", __func__, startx); + DBG (DBG_io2, "%s: endx =%d\n", __func__, endx); - DBG (DBG_io2, "%s: used_pixels=%d\n", __FUNCTION__, used_pixels); - DBG (DBG_io2, "%s: pixels =%d\n", __FUNCTION__, pixels); - DBG (DBG_io2, "%s: depth =%d\n", __FUNCTION__, depth); - DBG (DBG_io2, "%s: dev->bpl =%lu\n", __FUNCTION__, (unsigned long)dev->bpl); - DBG (DBG_io2, "%s: dev->len =%lu\n", __FUNCTION__, (unsigned long)dev->len); - DBG (DBG_io2, "%s: dev->dist =%lu\n", __FUNCTION__, (unsigned long)dev->dist); - DBG (DBG_io2, "%s: dev->segnb =%lu\n", __FUNCTION__, (unsigned long)dev->segnb); + 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->segnb =%lu\n", __func__, (unsigned long)dev->segnb); words_per_line *= channels; dev->wpl = words_per_line; @@ -1265,10 +1265,10 @@ gl847_init_optical_regs_scan (Genesys_Device * dev, /* MAXWD is expressed in 4 words unit */ sanei_genesys_set_triple(reg, REG_MAXWD, (words_per_line >> 2)); - DBG (DBG_io2, "%s: words_per_line used=%d\n", __FUNCTION__, words_per_line); + DBG (DBG_io2, "%s: words_per_line used=%d\n", __func__, words_per_line); sanei_genesys_set_double(reg, REG_LPERIOD, exposure_time); - DBG (DBG_io2, "%s: exposure_time used=%d\n", __FUNCTION__, exposure_time); + DBG (DBG_io2, "%s: exposure_time used=%d\n", __func__, exposure_time); r = sanei_genesys_get_address (reg, 0x34); r->value = dev->sensor.dummy_pixel; @@ -1669,7 +1669,7 @@ gl847_calculate_current_setup (Genesys_Device * dev) slope_dpi = slope_dpi * (1 + dummy); exposure_time = gl847_compute_exposure (dev, used_res); - DBG (DBG_info, "%s : exposure_time=%d pixels\n", __FUNCTION__, exposure_time); + 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); @@ -1785,7 +1785,7 @@ gl847_stop_action (Genesys_Device * dev) if (status != SANE_STATUS_GOOD) { DBG (DBG_error, - "%s: failed to read home sensor: %s\n", __FUNCTION__, + "%s: failed to read home sensor: %s\n", __func__, sane_strstatus (status)); DBGCOMPLETED; return status; @@ -1794,7 +1794,7 @@ gl847_stop_action (Genesys_Device * dev) /* only stop action if needed */ if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG)) { - DBG (DBG_info, "%s: already stopped\n", __FUNCTION__); + DBG (DBG_info, "%s: already stopped\n", __func__); DBGCOMPLETED; return SANE_STATUS_GOOD; } @@ -1807,7 +1807,7 @@ gl847_stop_action (Genesys_Device * dev) if (status != SANE_STATUS_GOOD) { DBG (DBG_error, - "%s: failed to write register 01: %s\n", __FUNCTION__, + "%s: failed to write register 01: %s\n", __func__, sane_strstatus (status)); return status; } @@ -1825,7 +1825,7 @@ gl847_stop_action (Genesys_Device * dev) if (status != SANE_STATUS_GOOD) { DBG (DBG_error, - "%s: failed to read home sensor: %s\n", __FUNCTION__, + "%s: failed to read home sensor: %s\n", __func__, sane_strstatus (status)); DBGCOMPLETED; return status; @@ -1929,10 +1929,50 @@ gl847_end_scan (Genesys_Device * dev, Genesys_Register_Set * reg, return status; } -/* Moves the slider to the home (top) postion slowly */ -#ifndef UNIT_TESTING -static -#endif +/** 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 gl847_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 (gl847_begin_scan (dev, dev->reg, SANE_TRUE)); + do + { + usleep(100*1000); + RIE (sanei_genesys_read_register (dev, REG40, &byte)); + } + while(byte & REG40_MOTMFLG); + RIE (gl847_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 gl847_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home) { @@ -1982,7 +2022,7 @@ gl847_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home) /* is sensor at home? */ if (val & HOMESNR) { - DBG (DBG_info, "%s: already at home, completed\n", __FUNCTION__); + DBG (DBG_info, "%s: already at home, completed\n", __func__); dev->scanhead_position_in_steps = 0; DBGCOMPLETED; return SANE_STATUS_GOOD; @@ -2279,7 +2319,7 @@ gl847_feed (Genesys_Device * dev, unsigned int steps) uint8_t val; DBGSTART; - DBG (DBG_io, "%s: steps=%d\n", __FUNCTION__, steps); + DBG (DBG_io, "%s: steps=%d\n", __func__, steps); /* prepare local registers */ memcpy (local_reg, dev->reg, GENESYS_GL847_MAX_REGS * sizeof (Genesys_Register_Set)); @@ -2328,7 +2368,7 @@ gl847_feed (Genesys_Device * dev, unsigned int steps) status = gl847_start_action (dev); if (status != SANE_STATUS_GOOD) { - DBG (DBG_error, "%s: failed to start motor: %s\n", __FUNCTION__, sane_strstatus (status)); + DBG (DBG_error, "%s: failed to start motor: %s\n", __func__, sane_strstatus (status)); gl847_stop_action (dev); /* restore original registers */ @@ -2370,8 +2410,8 @@ gl847_init_regs_for_shading (Genesys_Device * dev) if(dev->calib_resolution==4800) dev->calib_lines *= 2; dev->calib_pixels = (dev->sensor.sensor_pixels*dev->calib_resolution)/dev->sensor.optical_res; - DBG (DBG_io, "%s: calib_lines = %d\n", __FUNCTION__, (int)dev->calib_lines); - DBG (DBG_io, "%s: calib_pixels = %d\n", __FUNCTION__, (int)dev->calib_pixels); + DBG (DBG_io, "%s: calib_lines = %d\n", __func__, (int)dev->calib_lines); + DBG (DBG_io, "%s: calib_pixels = %d\n", __func__, (int)dev->calib_pixels); /* this is aworkaround insufficent distance for slope * motor acceleration TODO special motor slope for shading */ @@ -2399,14 +2439,14 @@ gl847_init_regs_for_shading (Genesys_Device * dev) if (status != SANE_STATUS_GOOD) { - DBG (DBG_error, "%s: failed to setup scan: %s\n", __FUNCTION__, sane_strstatus (status)); + DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status)); return status; } status = dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL847_MAX_REGS); if (status != SANE_STATUS_GOOD) { - DBG (DBG_error, "%s: failed to bulk write registers: %s\n", __FUNCTION__, sane_strstatus (status)); + DBG (DBG_error, "%s: failed to bulk write registers: %s\n", __func__, sane_strstatus (status)); return status; } @@ -2474,7 +2514,7 @@ gl847_init_regs_for_scan (Genesys_Device * dev) move += dev->settings.tl_y; move = (move * move_dpi) / MM_PER_INCH; move -= dev->scanhead_position_in_steps; - DBG (DBG_info, "%s: move=%f steps\n",__FUNCTION__, move); + DBG (DBG_info, "%s: move=%f steps\n",__func__, move); /* fast move to scan area */ /* we don't move fast the whole distance since it would involve @@ -2486,14 +2526,14 @@ gl847_init_regs_for_scan (Genesys_Device * dev) status = gl847_feed (dev, move-500); if (status != SANE_STATUS_GOOD) { - DBG (DBG_error, "%s: failed to move to scan area\n",__FUNCTION__); + 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); - DBG (DBG_info, "%s: move=%f steps\n", __FUNCTION__, move); + DBG (DBG_info, "%s: move=%f steps\n", __func__, move); /* start */ start = SANE_UNFIX (dev->model->x_offset); @@ -2548,7 +2588,7 @@ gl847_send_shading_data (Genesys_Device * dev, uint8_t * data, int size) uint8_t val,*buffer,*ptr,*src; DBGSTART; - DBG( DBG_io2, "%s: writing %d bytes of shading data\n",__FUNCTION__,size); + DBG( DBG_io2, "%s: writing %d bytes of shading data\n",__func__,size); /* shading data is plit in 3 (up to 5 with IR) areas write(0x10014000,0x00000dd8) @@ -2565,10 +2605,10 @@ gl847_send_shading_data (Genesys_Device * dev, uint8_t * data, int size) /* compute deletion factor */ sanei_genesys_get_double(dev->reg,REG_DPISET,&tempo); dpiset=tempo; - DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d, DPISET=%d\n",__FUNCTION__,strpixel,endpixel,endpixel-strpixel,dpiset); + DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d, DPISET=%d\n",__func__,strpixel,endpixel,endpixel-strpixel,dpiset); dpihw=sanei_genesys_compute_dpihw(dev,dpiset); factor=dpihw/dpiset; - DBG( DBG_io2, "%s: factor=%d\n",__FUNCTION__,factor); + DBG( DBG_io2, "%s: factor=%d\n",__func__,factor); if(DBG_LEVEL>=DBG_data) { @@ -2593,7 +2633,7 @@ gl847_send_shading_data (Genesys_Device * dev, uint8_t * data, int size) /* allocate temporary buffer */ buffer=(uint8_t *)malloc(pixels); memset(buffer,0,pixels); - DBG( DBG_io2, "%s: using chunks of %d (0x%04x) bytes\n",__FUNCTION__,pixels,pixels); + DBG( DBG_io2, "%s: using chunks of %d (0x%04x) bytes\n",__func__,pixels,pixels); /* base addr of data has been written in reg D0-D4 in 4K word, so AHB address * is 8192*reg value */ @@ -2670,7 +2710,7 @@ gl847_led_calibration (Genesys_Device * dev) { RIE(gl847_feed (dev, move)); } - DBG (DBG_io, "%s: move=%f steps\n", __FUNCTION__, move); + DBG (DBG_io, "%s: move=%f steps\n", __func__, move); /* offset calibration is always done in color mode */ channels = 3; @@ -2700,7 +2740,7 @@ gl847_led_calibration (Genesys_Device * dev) SCAN_FLAG_IGNORE_LINE_DISTANCE); if (status != SANE_STATUS_GOOD) { - DBG (DBG_error, "%s: failed to setup scan: %s\n", __FUNCTION__, sane_strstatus (status)); + DBG (DBG_error, "%s: failed to setup scan: %s\n", __func__, sane_strstatus (status)); return status; } @@ -2837,7 +2877,7 @@ gl847_init_gpio (Genesys_Device * dev) } if(gpios[idx].sensor_id==0) { - DBG (DBG_error, "%s: failed to find GPIO profile for sensor_id=%d\n", __FUNCTION__, dev->model->ccd_type); + DBG (DBG_error, "%s: failed to find GPIO profile for sensor_id=%d\n", __func__, dev->model->ccd_type); return SANE_STATUS_INVAL; } @@ -2972,7 +3012,7 @@ gl847_boot (Genesys_Device * dev, SANE_Bool cold) if (val & REG40_CHKVER) { RIE (sanei_genesys_read_register (dev, 0x00, &val)); - DBG (DBG_info, "%s: reported version for genesys chip is 0x%02x\n", __FUNCTION__, val); + DBG (DBG_info, "%s: reported version for genesys chip is 0x%02x\n", __func__, val); } /* Set default values for registers */ @@ -3753,6 +3793,7 @@ static Genesys_Command_Set gl847_cmd_set = { gl847_led_calibration, gl847_slow_back_home, + gl847_rewind, sanei_genesys_bulk_write_register, NULL, |