Initial import of sane-backends version 1.0.24-1.2

1 files changed, 379 insertions, 0 deletions

diff --git a/backend/kvs20xx_cmd.c b/backend/kvs20xx_cmd.c
new file mode 100644
index 0000000..7579701
--- /dev/null
+++ b/backend/kvs20xx_cmd.c
@@ -0,0 +1,379 @@
+/*
+   Copyright (C) 2008, Panasonic Russia Ltd.
+   Copyright (C) 2010, m. allan noah
+*/
+/*
+   Panasonic KV-S20xx USB-SCSI scanners.
+*/
+
+#include "../include/sane/config.h"
+
+#include <string.h>
+/*#include <unistd.h>*/
+
+#define DEBUG_DECLARE_ONLY
+#define BACKEND_NAME kvs20xx
+
+#include "../include/sane/sanei_backend.h"
+#include "../include/sane/sanei_scsi.h"
+#include "../include/sane/sanei_usb.h"
+
+#include "kvs20xx.h"
+#include "kvs20xx_cmd.h"
+
+static SANE_Status
+usb_send_command (struct scanner *s, struct cmd *c, struct response *r,
+		  void *buf)
+{
+  SANE_Status st;
+  struct bulk_header *h = (struct bulk_header *) buf;
+  u8 resp[sizeof (*h) + STATUS_SIZE];
+  size_t sz = sizeof (*h) + MAX_CMD_SIZE;
+  memset (h, 0, sz);
+  h->length = cpu2be32 (sz);
+  h->type = cpu2be16 (COMMAND_BLOCK);
+  h->code = cpu2be16 (COMMAND_CODE);
+  memcpy (h + 1, c->cmd, c->cmd_size);
+
+  st = sanei_usb_write_bulk (s->file, (const SANE_Byte *) h, &sz);
+  if (st)
+    return st;
+  if (sz != sizeof (*h) + MAX_CMD_SIZE)
+    return SANE_STATUS_IO_ERROR;
+  if (c->dir == CMD_IN)
+    {
+      sz = sizeof (*h) + c->data_size;
+      st = sanei_usb_read_bulk (s->file, (SANE_Byte *) h, &sz);
+      c->data = h + 1;
+      c->data_size = sz - sizeof (*h);
+
+      if (st || sz < sizeof (*h))
+	{
+	  st = sanei_usb_release_interface (s->file, 0);
+	  if (st)
+	    return st;
+	  st = sanei_usb_claim_interface (s->file, 0);
+	  if (st)
+	    return st;
+	  r->status = CHECK_CONDITION;
+	  return SANE_STATUS_GOOD;
+	}
+
+    }
+  else if (c->dir == CMD_OUT)
+    {
+      sz = sizeof (*h) + c->data_size;
+      memset (h, 0, sizeof (*h));
+      h->length = cpu2be32 (sizeof (*h) + c->data_size);
+      h->type = cpu2be16 (DATA_BLOCK);
+      h->code = cpu2be16 (DATA_CODE);
+      memcpy (h + 1, c->data, c->data_size);
+      st = sanei_usb_write_bulk (s->file, (const SANE_Byte *) h, &sz);
+      if (st)
+	return st;
+    }
+  sz = sizeof (resp);
+  st = sanei_usb_read_bulk (s->file, resp, &sz);
+  if (st || sz != sizeof (resp))
+    return SANE_STATUS_IO_ERROR;
+  r->status = be2cpu32 (*((u32 *) (resp + sizeof (*h))));
+  return st;
+}
+
+SANE_Status
+kvs20xx_sense_handler (int __sane_unused__ fd,
+		       u_char * sense_buffer, void __sane_unused__ * arg)
+{
+  unsigned i;
+  SANE_Status st = SANE_STATUS_GOOD;
+  for (i = 0; i < sizeof (s_errors) / sizeof (s_errors[0]); i++)
+    if ((sense_buffer[2] & 0xf) == s_errors[i].sense
+	&& sense_buffer[12] == s_errors[i].asc
+	&& sense_buffer[13] == s_errors[i].ascq)
+      {
+	st = s_errors[i].st;
+	break;
+      }
+  if (st == SANE_STATUS_GOOD && sense_buffer[2] & END_OF_MEDIUM)
+    st = SANE_STATUS_EOF;
+  if (i == sizeof (s_errors) / sizeof (s_errors[0]))
+    st = SANE_STATUS_IO_ERROR;
+  DBG (DBG_ERR,
+       "send_command: CHECK_CONDITION: sence:0x%x ASC:0x%x ASCQ:0x%x\n",
+       sense_buffer[2], sense_buffer[12], sense_buffer[13]);
+
+  return st;
+}
+
+static SANE_Status
+send_command (struct scanner * s, struct cmd * c)
+{
+  SANE_Status st = SANE_STATUS_GOOD;
+  if (s->bus == USB)
+    {
+      struct response r;
+      memset (&r, 0, sizeof (r));
+      st = usb_send_command (s, c, &r, s->buffer);
+      if (st)
+	return st;
+      if (r.status)
+	{
+	  u8 b[sizeof (struct bulk_header) + RESPONSE_SIZE];
+	  struct cmd c2 = {
+            {0},
+	    6,
+            0,
+	    RESPONSE_SIZE,
+	    CMD_IN
+	  };
+	  c2.cmd[0] = REQUEST_SENSE;
+	  c2.cmd[4] = RESPONSE_SIZE;
+	  st = usb_send_command (s, &c2, &r, b);
+	  if (st)
+	    return st;
+	  st = kvs20xx_sense_handler (0, b + sizeof (struct bulk_header), NULL);
+	}
+    }
+  else
+    {
+      if (c->dir == CMD_OUT)
+	{
+	  memcpy (s->buffer, c->cmd, c->cmd_size);
+	  memcpy (s->buffer + c->cmd_size, c->data, c->data_size);
+	  st = sanei_scsi_cmd (s->file, s->buffer, c->cmd_size + c->data_size,
+			       NULL, NULL);
+	}
+      else if (c->dir == CMD_IN)
+	{
+	  c->data = s->buffer;
+	  st = sanei_scsi_cmd (s->file, c->cmd, c->cmd_size,
+			       c->data, (size_t *) & c->data_size);
+	}
+      else
+	{
+	  st = sanei_scsi_cmd (s->file, c->cmd, c->cmd_size, NULL, NULL);
+	}
+    }
+  return st;
+}
+
+SANE_Status
+kvs20xx_test_unit_ready (struct scanner * s)
+{
+  struct cmd c = {
+    {0},
+    6,
+    0,
+    0,
+    CMD_NONE
+  };
+  c.cmd[0] = TEST_UNIT_READY;
+  if (send_command (s, &c))
+    return SANE_STATUS_DEVICE_BUSY;
+
+  return SANE_STATUS_GOOD;
+}
+
+SANE_Status
+kvs20xx_set_timeout (struct scanner * s, int timeout)
+{
+  u16 t = cpu2be16 ((u16) timeout);
+  struct cmd c = {
+    {0},
+    10,
+    0,
+    0,
+    CMD_OUT
+  };
+  c.cmd[0] = SET_TIMEOUT;
+  c.cmd[2] = 0x8d;
+  *((u16 *) (c.cmd + 7)) = cpu2be16 (sizeof (t));
+
+  c.data = &t;
+  c.data_size = sizeof (t);
+
+  if (s->bus == USB)
+    sanei_usb_set_timeout (timeout * 1000);
+
+  return send_command (s, &c);
+}
+
+SANE_Status
+kvs20xx_set_window (struct scanner * s, int wnd_id)
+{
+  struct window wnd;
+  struct cmd c = {
+    {0},
+    10,
+    0,
+    0,
+    CMD_OUT
+  };
+  c.cmd[0] = SET_WINDOW;
+  *((u16 *) (c.cmd + 7)) = cpu2be16 (sizeof (wnd));
+
+  c.data = &wnd;
+  c.data_size = sizeof (wnd);
+
+  kvs20xx_init_window (s, &wnd, wnd_id);
+
+  return send_command (s, &c);
+}
+
+SANE_Status
+kvs20xx_reset_window (struct scanner * s)
+{
+  struct cmd c = {
+    {0},
+    10,
+    0,
+    0,
+    CMD_NONE
+  };
+  c.cmd[0] = SET_WINDOW;
+
+  return send_command (s, &c);
+}
+
+SANE_Status
+kvs20xx_scan (struct scanner * s)
+{
+  struct cmd c = {
+    {0},
+    6,
+    0,
+    0,
+    CMD_NONE
+  };
+  c.cmd[0] = SCAN;
+  return send_command (s, &c);
+}
+
+SANE_Status
+kvs20xx_document_exist (struct scanner * s)
+{
+  SANE_Status status;
+  struct cmd c = {
+    {0},
+    10,
+    0,
+    6,
+    CMD_IN,
+  };
+  u8 *d;
+  c.cmd[0] = READ_10;
+  c.cmd[2] = 0x81;
+  set24 (c.cmd + 6, c.data_size);
+  status = send_command (s, &c);
+  if (status)
+    return status;
+  d = c.data;
+  if (d[0] & 0x20)
+    return SANE_STATUS_GOOD;
+
+  return SANE_STATUS_NO_DOCS;
+}
+
+SANE_Status
+kvs20xx_read_picture_element (struct scanner * s, unsigned side,
+			      SANE_Parameters * p)
+{
+  SANE_Status status;
+  struct cmd c = {
+    {0},
+    10,
+    0,
+    16,
+    CMD_IN
+  };
+  u32 *data;
+  c.cmd[0] = READ_10;
+  c.cmd[2] = 0x80;
+  c.cmd[5] = side;
+  set24 (c.cmd + 6, c.data_size);
+
+  status = send_command (s, &c);
+  if (status)
+    return status;
+  data = (u32 *) c.data;
+  p->pixels_per_line = be2cpu32 (data[0]);
+  p->lines = be2cpu32 (data[1]);
+  return SANE_STATUS_GOOD;
+}
+
+static SANE_Status
+get_buffer_status (struct scanner * s, unsigned *data_avalible)
+{
+  SANE_Status status;
+  struct cmd c = {
+    {0},
+    10,
+    0,
+    12,
+    CMD_IN
+  };
+  u32 *data;
+  c.cmd[0] = GET_BUFFER_STATUS;
+  c.cmd[7] = 12;
+
+  status = send_command (s, &c);
+  if (status)
+    return status;
+  data = (u32 *) c.data;
+  *data_avalible = be2cpu32 (data[3]);
+  return SANE_STATUS_GOOD;
+}
+
+SANE_Status
+kvs20xx_read_image_data (struct scanner * s, unsigned page, unsigned side,
+			 void *buf, unsigned max_size, unsigned *size)
+{
+  SANE_Status status;
+  struct cmd c = {
+    {0},
+    10,
+    0,
+    0,
+    CMD_IN
+  };
+  c.cmd[0] = READ_10;
+  c.cmd[4] = page;
+  c.cmd[5] = side;
+
+  c.data_size = max_size < MAX_READ_DATA_SIZE ? max_size : MAX_READ_DATA_SIZE;
+
+  set24 (c.cmd + 6, c.data_size);
+  status = send_command (s, &c);
+
+  if (status && status != SANE_STATUS_EOF)
+    return status;
+
+  *size = c.data_size;
+  DBG (DBG_INFO, "kvs20xx_read_image_data: read %d, status %d\n", *size, status);
+  memcpy (buf, c.data, *size);
+  return status;
+}
+
+SANE_Status
+get_adjust_data (struct scanner * s, unsigned *dummy_length)
+{
+  SANE_Status status;
+  struct cmd c = {
+    {0},
+    10,
+    0,
+    40,
+    CMD_IN
+  };
+  u16 *data;
+
+  c.cmd[0] = GET_ADJUST_DATA;
+  c.cmd[2] = 0x9b;
+  c.cmd[8] = 40;
+  status = send_command (s, &c);
+  if (status)
+    return status;
+  data = (u16 *) c.data;
+  *dummy_length = be2cpu16 (data[0]);
+  return SANE_STATUS_GOOD;
+}