kopia lustrzana https://gitlab.com/sane-project/backends
357 wiersze
7.2 KiB
C
357 wiersze
7.2 KiB
C
/*
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Copyright (C) 2008, Panasonic Russia Ltd.
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Copyright (C) 2010, m. allan noah
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*/
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/*
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Panasonic KV-S20xx USB-SCSI scanners.
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*/
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#include "../include/sane/config.h"
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#include <string.h>
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/*#include <unistd.h>*/
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#define DEBUG_DECLARE_ONLY
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#define BACKEND_NAME kvs20xx
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#include "../include/sane/sanei_backend.h"
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#include "../include/sane/sanei_scsi.h"
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#include "../include/sane/sanei_usb.h"
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#include "kvs20xx.h"
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#include "kvs20xx_cmd.h"
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static SANE_Status
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usb_send_command (struct scanner *s, struct cmd *c, struct response *r,
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void *buf)
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{
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SANE_Status st;
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struct bulk_header *h = (struct bulk_header *) buf;
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u8 resp[sizeof (*h) + STATUS_SIZE];
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size_t sz = sizeof (*h) + MAX_CMD_SIZE;
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memset (h, 0, sz);
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h->length = cpu2be32 (sz);
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h->type = cpu2be16 (COMMAND_BLOCK);
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h->code = cpu2be16 (COMMAND_CODE);
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memcpy (h + 1, c->cmd, c->cmd_size);
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st = sanei_usb_write_bulk (s->file, (const SANE_Byte *) h, &sz);
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if (st)
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return st;
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if (sz != sizeof (*h) + MAX_CMD_SIZE)
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return SANE_STATUS_IO_ERROR;
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if (c->dir == CMD_IN)
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{
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sz = sizeof (*h) + c->data_size;
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st = sanei_usb_read_bulk (s->file, (SANE_Byte *) h, &sz);
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c->data = h + 1;
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c->data_size = sz - sizeof (*h);
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if (st || sz < sizeof (*h))
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{
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st = sanei_usb_release_interface (s->file, 0);
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if (st)
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return st;
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st = sanei_usb_claim_interface (s->file, 0);
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if (st)
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return st;
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r->status = CHECK_CONDITION;
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return SANE_STATUS_GOOD;
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}
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}
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else if (c->dir == CMD_OUT)
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{
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sz = sizeof (*h) + c->data_size;
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memset (h, 0, sizeof (*h));
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h->length = cpu2be32 (sizeof (*h) + c->data_size);
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h->type = cpu2be16 (DATA_BLOCK);
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h->code = cpu2be16 (DATA_CODE);
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memcpy (h + 1, c->data, c->data_size);
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st = sanei_usb_write_bulk (s->file, (const SANE_Byte *) h, &sz);
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if (st)
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return st;
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}
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sz = sizeof (resp);
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st = sanei_usb_read_bulk (s->file, resp, &sz);
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if (st || sz != sizeof (resp))
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return SANE_STATUS_IO_ERROR;
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r->status = be2cpu32 (*((u32 *) (resp + sizeof (*h))));
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return st;
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}
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SANE_Status
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kvs20xx_sense_handler (int __sane_unused__ fd,
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u_char * sense_buffer, void __sane_unused__ * arg)
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{
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unsigned i;
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SANE_Status st = SANE_STATUS_GOOD;
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for (i = 0; i < sizeof (s_errors) / sizeof (s_errors[0]); i++)
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if ((sense_buffer[2] & 0xf) == s_errors[i].sense
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&& sense_buffer[12] == s_errors[i].asc
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&& sense_buffer[13] == s_errors[i].ascq)
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{
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st = s_errors[i].st;
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break;
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}
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if (st == SANE_STATUS_GOOD && sense_buffer[2] & END_OF_MEDIUM)
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st = SANE_STATUS_EOF;
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if (i == sizeof (s_errors) / sizeof (s_errors[0]))
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st = SANE_STATUS_IO_ERROR;
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DBG (DBG_ERR,
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"send_command: CHECK_CONDITION: sense:0x%x ASC:0x%x ASCQ:0x%x\n",
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sense_buffer[2], sense_buffer[12], sense_buffer[13]);
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return st;
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}
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static SANE_Status
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send_command (struct scanner * s, struct cmd * c)
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{
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SANE_Status st = SANE_STATUS_GOOD;
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if (s->bus == USB)
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{
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struct response r;
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memset (&r, 0, sizeof (r));
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st = usb_send_command (s, c, &r, s->buffer);
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if (st)
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return st;
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if (r.status)
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{
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u8 b[sizeof (struct bulk_header) + RESPONSE_SIZE];
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struct cmd c2 = {
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{0},
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6,
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0,
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RESPONSE_SIZE,
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CMD_IN
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};
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c2.cmd[0] = REQUEST_SENSE;
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c2.cmd[4] = RESPONSE_SIZE;
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st = usb_send_command (s, &c2, &r, b);
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if (st)
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return st;
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st = kvs20xx_sense_handler (0, b + sizeof (struct bulk_header), NULL);
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}
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}
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else
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{
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if (c->dir == CMD_OUT)
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{
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memcpy (s->buffer, c->cmd, c->cmd_size);
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memcpy (s->buffer + c->cmd_size, c->data, c->data_size);
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st = sanei_scsi_cmd (s->file, s->buffer, c->cmd_size + c->data_size,
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NULL, NULL);
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}
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else if (c->dir == CMD_IN)
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{
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c->data = s->buffer;
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st = sanei_scsi_cmd (s->file, c->cmd, c->cmd_size,
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c->data, (size_t *) & c->data_size);
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}
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else
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{
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st = sanei_scsi_cmd (s->file, c->cmd, c->cmd_size, NULL, NULL);
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}
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}
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return st;
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}
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SANE_Status
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kvs20xx_test_unit_ready (struct scanner * s)
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{
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struct cmd c = {
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{0},
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6,
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0,
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0,
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CMD_NONE
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};
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c.cmd[0] = TEST_UNIT_READY;
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if (send_command (s, &c))
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return SANE_STATUS_DEVICE_BUSY;
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return SANE_STATUS_GOOD;
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}
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SANE_Status
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kvs20xx_set_timeout (struct scanner * s, int timeout)
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{
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u16 t = cpu2be16 ((u16) timeout);
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struct cmd c = {
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{0},
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10,
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0,
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0,
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CMD_OUT
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};
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c.cmd[0] = SET_TIMEOUT;
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c.cmd[2] = 0x8d;
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copy16 (c.cmd + 7, cpu2be16 (sizeof (t)));
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c.data = &t;
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c.data_size = sizeof (t);
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if (s->bus == USB)
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sanei_usb_set_timeout (timeout * 1000);
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return send_command (s, &c);
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}
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SANE_Status
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kvs20xx_set_window (struct scanner * s, int wnd_id)
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{
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struct window wnd;
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struct cmd c = {
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{0},
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10,
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0,
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0,
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CMD_OUT
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};
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c.cmd[0] = SET_WINDOW;
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copy16 (c.cmd + 7, cpu2be16 (sizeof (wnd)));
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c.data = &wnd;
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c.data_size = sizeof (wnd);
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kvs20xx_init_window (s, &wnd, wnd_id);
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return send_command (s, &c);
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}
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SANE_Status
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kvs20xx_reset_window (struct scanner * s)
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{
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struct cmd c = {
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{0},
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10,
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0,
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0,
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CMD_NONE
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};
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c.cmd[0] = SET_WINDOW;
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return send_command (s, &c);
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}
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SANE_Status
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kvs20xx_scan (struct scanner * s)
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{
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struct cmd c = {
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{0},
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6,
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0,
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0,
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CMD_NONE
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};
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c.cmd[0] = SCAN;
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return send_command (s, &c);
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}
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SANE_Status
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kvs20xx_document_exist (struct scanner * s)
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{
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SANE_Status status;
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struct cmd c = {
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{0},
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10,
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0,
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6,
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CMD_IN,
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};
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u8 *d;
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c.cmd[0] = READ_10;
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c.cmd[2] = 0x81;
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set24 (c.cmd + 6, c.data_size);
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status = send_command (s, &c);
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if (status)
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return status;
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d = c.data;
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if (d[0] & 0x20)
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return SANE_STATUS_GOOD;
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return SANE_STATUS_NO_DOCS;
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}
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SANE_Status
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kvs20xx_read_picture_element (struct scanner * s, unsigned side,
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SANE_Parameters * p)
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{
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SANE_Status status;
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struct cmd c = {
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{0},
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10,
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0,
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16,
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CMD_IN
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};
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u32 *data;
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c.cmd[0] = READ_10;
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c.cmd[2] = 0x80;
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c.cmd[5] = side;
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set24 (c.cmd + 6, c.data_size);
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status = send_command (s, &c);
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if (status)
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return status;
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data = (u32 *) c.data;
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p->pixels_per_line = be2cpu32 (data[0]);
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p->lines = be2cpu32 (data[1]);
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return SANE_STATUS_GOOD;
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}
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SANE_Status
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kvs20xx_read_image_data (struct scanner * s, unsigned page, unsigned side,
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void *buf, unsigned max_size, unsigned *size)
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{
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SANE_Status status;
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struct cmd c = {
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{0},
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10,
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0,
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0,
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CMD_IN
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};
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c.cmd[0] = READ_10;
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c.cmd[4] = page;
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c.cmd[5] = side;
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c.data_size = max_size < MAX_READ_DATA_SIZE ? max_size : MAX_READ_DATA_SIZE;
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set24 (c.cmd + 6, c.data_size);
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status = send_command (s, &c);
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if (status && status != SANE_STATUS_EOF)
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return status;
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*size = c.data_size;
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DBG (DBG_INFO, "kvs20xx_read_image_data: read %d, status %d\n", *size, status);
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memcpy (buf, c.data, *size);
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return status;
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}
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SANE_Status
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get_adjust_data (struct scanner * s, unsigned *dummy_length)
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{
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SANE_Status status;
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struct cmd c = {
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{0},
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10,
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0,
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40,
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CMD_IN
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};
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u16 *data;
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c.cmd[0] = GET_ADJUST_DATA;
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c.cmd[2] = 0x9b;
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c.cmd[8] = 40;
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status = send_command (s, &c);
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if (status)
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return status;
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data = (u16 *) c.data;
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*dummy_length = be2cpu16 (data[0]);
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return SANE_STATUS_GOOD;
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}
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