selphy_print/backend_common.h

259 lines
7.1 KiB
C

/*
* CUPS Backend common code
*
* (c) 2013-2018 Solomon Peachy <pizza@shaftnet.org>
*
* The latest version of this program can be found at:
*
* http://git.shaftnet.org/cgit/selphy_print.git
*
* 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 3 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.
*
* [http://www.gnu.org/licenses/gpl-3.0.html]
*
* SPDX-License-Identifier: GPL-3.0+
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
#include <libusb.h>
#include <arpa/inet.h>
#ifndef __BACKEND_COMMON_H
#define __BACKEND_COMMON_H
#define STR_LEN_MAX 64
#define STATE( ... ) fprintf(stderr, "STATE: " __VA_ARGS__ )
#define ATTR( ... ) fprintf(stderr, "ATTR: " __VA_ARGS__ )
#define PAGE( ... ) fprintf(stderr, "PAGE: " __VA_ARGS__ )
#define DEBUG( ... ) fprintf(stderr, "DEBUG: " __VA_ARGS__ )
#define DEBUG2( ... ) fprintf(stderr, __VA_ARGS__ )
#define INFO( ... ) fprintf(stderr, "INFO: " __VA_ARGS__ )
#define WARNING( ... ) fprintf(stderr, "WARNING: " __VA_ARGS__ )
#define ERROR( ... ) do { fprintf(stderr, "ERROR: " __VA_ARGS__ ); sleep(1); } while (0)
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
#define le32_to_cpu(__x) __x
#define le16_to_cpu(__x) __x
#define be16_to_cpu(__x) ntohs(__x)
#define be32_to_cpu(__x) ntohl(__x)
#else
#define le32_to_cpu(x) \
({ \
uint32_t __x = (x); \
((uint32_t)( \
(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
})
#define le16_to_cpu(x) \
({ \
uint16_t __x = (x); \
((uint16_t)( \
(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
(((uint16_t)(__x) & (uint16_t)0xff00) >> 8))); \
})
#define be32_to_cpu(__x) __x
#define be16_to_cpu(__x) __x
#endif
#define cpu_to_le16 le16_to_cpu
#define cpu_to_le32 le32_to_cpu
#define cpu_to_be16 be16_to_cpu
#define cpu_to_be32 be32_to_cpu
/* To cheat the compiler */
#define UNUSED(expr) do { (void)(expr); } while (0)
/* To enumerate supported devices */
enum {
P_UNKNOWN = 0,
P_CP_XXX = 1,
P_CP10 = 2,
P_CP790 = 3,
P_CP900 = 4,
P_CP910 = 5,
P_ES1 = 6,
P_ES2_20 = 7,
P_ES3_30 = 8,
P_ES40 = 9,
P_KODAK_1400_805 = 10,
P_KODAK_6800 = 11,
P_KODAK_6850 = 12,
P_KODAK_305 = 13,
P_KODAK_605 = 14,
P_SHINKO_S1245 = 15,
P_SHINKO_S2145 = 16,
P_SHINKO_S6145 = 17,
P_SHINKO_S6145D = 18,
P_SHINKO_S6245 = 19,
P_SONY_UPCR10 = 20,
P_SONY_UPDR150 = 21,
P_MITSU_9550 = 22,
P_MITSU_9550S = 23,
P_MITSU_9600 = 24,
P_MITSU_9800 = 25,
P_MITSU_9800S = 26,
P_MITSU_9810 = 27,
P_MITSU_D70X = 28,
P_MITSU_D80 = 29,
P_MITSU_D90 = 30,
P_MITSU_K60 = 31,
P_MITSU_P93D = 32,
P_MITSU_P95D = 33,
P_CITIZEN_CW01 = 34,
P_CITIZEN_OP900II = 35,
P_DNP_DS40 = 36,
P_DNP_DS620 = 37,
P_DNP_DS80 = 38,
P_DNP_DS80D = 39,
P_DNP_DS820 = 40,
P_DNP_DSRX1 = 41,
P_FUJI_ASK300 = 42,
P_MAGICARD = 43,
P_SONY_UPD89x = 44,
P_END,
};
struct device_id {
uint16_t vid;
uint16_t pid;
int type; /* P_** */
char *manuf_str;
char *prefix;
};
struct marker {
const char *color; /* Eg "#00FFFF" */
const char *name; /* Eg "CK9015 (4x6)" */
int levelmax; /* Max media count, eg '600', or '-1' */
int levelnow; /* Remaining media, -3, -2, -1, 0..N. See CUPS. */
};
#define BACKEND_FLAG_JOBLIST 0x00000001
/* Backend Functions */
struct dyesub_backend {
const char *name;
const char *version;
const char **uri_prefixes;
uint32_t flags;
void (*cmdline_usage)(void); /* Optional */
void *(*init)(void);
int (*attach)(void *ctx, struct libusb_device_handle *dev, int type,
uint8_t endp_up, uint8_t endp_down, uint8_t jobid);
void (*teardown)(void *ctx);
int (*cmdline_arg)(void *ctx, int argc, char **argv);
int (*read_parse)(void *ctx, const void **job, int data_fd, int copies);
void (*cleanup_job)(const void *job);
int (*main_loop)(void *ctx, const void *job);
int (*query_serno)(struct libusb_device_handle *dev, uint8_t endp_up, uint8_t endp_down, char *buf, int buf_len); /* Optional */
int (*query_markers)(void *ctx, struct marker **markers, int *count);
const struct device_id devices[];
};
#define DYESUB_MAX_JOB_ENTRIES 2
struct dyesub_joblist {
// TODO: mutex/lock
struct dyesub_backend *backend;
void *ctx;
int num_entries;
int copies;
const void *entries[DYESUB_MAX_JOB_ENTRIES];
};
/* Exported functions */
int send_data(struct libusb_device_handle *dev, uint8_t endp,
const uint8_t *buf, int len);
int read_data(struct libusb_device_handle *dev, uint8_t endp,
uint8_t *buf, int buflen, int *readlen);
void dump_markers(struct marker *markers, int marker_count, int full);
void print_license_blurb(void);
void print_help(char *argv0, struct dyesub_backend *backend);
uint16_t uint16_to_packed_bcd(uint16_t val);
uint32_t packed_bcd_to_uint32(char *in, int len);
/* Job list manipulation */
struct dyesub_joblist *dyesub_joblist_create(struct dyesub_backend *backend, void *ctx);
int dyesub_joblist_addjob(struct dyesub_joblist *list, const void *job);
void dyesub_joblist_cleanup(const struct dyesub_joblist *list);
int dyesub_joblist_print(const struct dyesub_joblist *list);
/* Global data */
extern int terminate;
extern int dyesub_debug;
extern int fast_return;
extern int extra_vid;
extern int extra_pid;
extern int extra_type;
extern int copies;
extern int test_mode;
enum {
TEST_MODE_NONE = 0,
TEST_MODE_NOPRINT,
TEST_MODE_NOATTACH,
TEST_MODE_MAX,
};
#if defined(BACKEND)
extern struct dyesub_backend BACKEND;
#endif
/* CUPS compatibility */
#define CUPS_BACKEND_OK 0 /* Success */
#define CUPS_BACKEND_FAILED 1 /* Failed to print use CUPS policy */
#define CUPS_BACKEND_AUTH_REQUIRED 2 /* Auth required */
#define CUPS_BACKEND_HOLD 3 /* Hold this job only */
#define CUPS_BACKEND_STOP 4 /* Stop the entire queue */
#define CUPS_BACKEND_CANCEL 5 /* Cancel print job */
#define CUPS_BACKEND_RETRY 6 /* Retry later */
#define CUPS_BACKEND_RETRY_CURRENT 7 /* Retry immediately */
/* Argument processing */
#define GETOPT_LIST_GLOBAL "d:DfGh"
#define GETOPT_PROCESS_GLOBAL \
case 'd': \
copies = atoi(optarg); \
break; \
case 'D': \
dyesub_debug++; \
break; \
case 'f': \
fast_return++; \
break; \
case 'G': \
print_license_blurb(); \
exit(0); \
case 'h': \
print_help(argv[0], &BACKEND); \
exit(0);
#endif /* __BACKEND_COMMON_H */