selphy_print/backend_dnpds40.c

/*
 *   DNP DS40/DS80 Photo Printer CUPS backend -- libusb-1.0 version
 *
 *   (c) 2013-2016 Solomon Peachy <pizza@shaftnet.org>
 *
 *   Development of this backend was sponsored by:
 *
 *     Marco Di Antonio and [ ilgruppodigitale.com ]
 *     LiveLink Technology [ www.livelinktechnology.net ]
 *     A generous benefactor who wishes to remain anonymous
 *
 *   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]
 *
 */

//#define DNP_ONLY

/* Enables caching of last print type to speed up 
   job pipelining.  Without this we always have to
   assume the worst */
//#define STATE_DIR "/tmp"

#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>

#define BACKEND dnpds40_backend

#include "backend_common.h"

#define USB_VID_CITIZEN   0x1343
#define USB_PID_DNP_DS40  0x0003 // Also Citizen CX
#define USB_PID_DNP_DS80  0x0004 // Also Citizen CX-W, and Mitsubishi CP-3800DW
#define USB_PID_DNP_DSRX1 0x0005 // Also Citizen CY
#define USB_PID_CITIZEN_CW02 0x0006
#define USB_PID_DNP_DS80D 0x0007
#define USB_PID_DNP_DS620_OLD 0x0008

#define USB_VID_DNP       0x1452
#define USB_PID_DNP_DS620 0x8b01
#define USB_PID_DNP_DS820 0x9001

/* Private data stucture */
struct dnpds40_ctx {
	struct libusb_device_handle *dev;
	uint8_t endp_up;
	uint8_t endp_down;

	int type;

	char *serno;
	char *version;

	int buf_needed;

	int ver_major;
	int ver_minor;

	uint32_t media;
	uint32_t duplex_media;
	uint16_t media_count_new;
	uint32_t multicut;

	uint32_t last_multicut;
	int last_matte;

	int fullcut;	
	int matte;
	int cutter;
	int can_rewind;

	int printspeed;

	int mediaoffset;
	int manual_copies;
	int correct_count;

	uint32_t native_width;
	int supports_6x9;
	int supports_2x6;
	int supports_3x5x2;
	int supports_matte;
	int supports_finematte;
	int supports_luster;	
	int supports_advmatte;
	int supports_fullcut;
	int supports_rewind;
	int supports_standby;
	int supports_6x4_5;
	int supports_mqty_default;
	int supports_iserial;
	int supports_6x6;
	int supports_5x5;
	int supports_counterp;
	int supports_adv_fullcut;
	int supports_mediaoffset;
	int supports_media_ext;
	int supports_printspeed;
	int supports_lowspeed;
	int supports_highdensity;
	int supports_gamma;
	uint8_t *databuf;
	int datalen;
};

struct dnpds40_cmd {
	uint8_t esc; /* Fixed at ascii ESC, aka 0x1B */
	uint8_t p;   /* Fixed at ascii 'P' aka 0x50 */
	uint8_t arg1[6];
	uint8_t arg2[16];
	uint8_t arg3[8]; /* Decimal value of arg4's length, or empty */
	uint8_t arg4[0]; /* Extra payload if arg3 is non-empty
			    Doesn't have to be sent in the same URB */

	/* All unused elements are set to 0x20 (ie ascii space) */
};

#define MULTICUT_5x3_5     1
#define MULTICUT_6x4       2
#define MULTICUT_5x7       3
#define MULTICUT_6x8       4
#define MULTICUT_6x9       5
#define MULTICUT_8x10      6
#define MULTICUT_8x12      7
#define MULTICUT_8x4       8
#define MULTICUT_8x5       9
#define MULTICUT_8x6      10
#define MULTICUT_8x8      11
#define MULTICUT_6x4X2    12
#define MULTICUT_8x4X2    13
#define MULTICUT_8x5X2    14
#define MULTICUT_8x6X2    15
#define MULTICUT_8x5_8x4  16
#define MULTICUT_8x6_8x4  17
#define MULTICUT_8x6_8x5  18
#define MULTICUT_8x8_8x4  19
#define MULTICUT_8x4X3    20
#define MULTICUT_8xA4LEN  21
#define MULTICUT_5x3_5X2  22
#define MULTICUT_6x6      27
#define MULTICUT_5x5      29
#define MULTICUT_6x4_5    30
#define MULTICUT_6x4_5X2  31
#define MULTICUT_8x7      32
#define MULTICUT_8x9      33
#define MULTICUT_A5       34
#define MULTICUT_A5X2     35
#define MULTICUT_A4x4     36
#define MULTICUT_A4x5     37
#define MULTICUT_A4x6     38
#define MULTICUT_A4x8     39
#define MULTICUT_A4x10    40
#define MULTICUT_A4       41
#define MULTICUT_A4x5X2   43


#define MULTICUT_S_SIMPLEX  100
#define MULTICUT_S_FRONT    200
#define MULTICUT_S_BACK     300

#define MULTICUT_S_8x10     6
#define MULTICUT_S_8x12     7
#define MULTICUT_S_8x4      8
#define MULTICUT_S_8x5      9
#define MULTICUT_S_8x6     10
#define MULTICUT_S_8x8     11
#define MULTICUT_S_8x4X2   13
#define MULTICUT_S_8x5X2   14
#define MULTICUT_S_8x6X2   15
#define MULTICUT_S_8x10_5  25
#define MULTICUT_S_8x10_75 26
#define MULTICUT_S_8x4X3   28  // different than roll type.

#define min(__x, __y) ((__x) < (__y)) ? __x : __y

static void dnpds40_build_cmd(struct dnpds40_cmd *cmd, char *arg1, char *arg2, uint32_t arg3_len)
{
	memset(cmd, 0x20, sizeof(*cmd));
	cmd->esc = 0x1b;
	cmd->p = 0x50;
	memcpy(cmd->arg1, arg1, min(strlen(arg1), sizeof(cmd->arg1)));
	memcpy(cmd->arg2, arg2, min(strlen(arg2), sizeof(cmd->arg2)));
	if (arg3_len) {
		char buf[9];
		snprintf(buf, sizeof(buf), "%08u", arg3_len);
		memcpy(cmd->arg3, buf, 8);
	}

}

static void dnpds40_cleanup_string(char *start, int len)
{
	char *ptr = strchr(start, 0x0d);

	if (ptr && (ptr - start < len)) {
		*ptr = 0x00; /* If there is a <CR>, terminate there */
		len = ptr - start;
	} else {
		start[--len] = 0x00;  /* force null-termination */
	}

	/* Trim trailing spaces */
	while (len && start[len-1] == ' ') {
		start[--len] = 0;
	}
}

static char *dnpds40_printer_type(int type)
{
	switch(type) {
	case P_DNP_DS40: return "DS40";
	case P_DNP_DS80: return "DS80";
	case P_DNP_DS80D: return "DS80DX";
	case P_DNP_DSRX1: return "DSRX1";
	case P_DNP_DS620: return "DS620";
	case P_DNP_DS820: return "DS820";
	default: break;
	}
	return "Unknown";
}

static char *dnpds40_media_types(int media)
{
	switch (media) {
	case 100: return "UNKNOWN100"; // seen in driver dumps
	case 110: return "UNKNOWN110"; // seen in driver dumps
	case 200: return "5x3.5 (L)";
	case 210: return "5x7 (2L)";
	case 300: return "6x4 (PC)";
	case 310: return "6x8 (A5)";
	case 400: return "6x9 (A5W)";
	case 500: return "8x10";
	case 510: return "8x12";
	case 600: return "A4";
	default:
		break;
	}

	return "Unknown type";
}

static char *dnpds620_media_extension_code(int media)
{
	switch (media) {
	case 00: return "Normal Paper";
	case 01: return "Sticky Paper";
	case 99: return "Unknown Paper";
	default:
		break;
	}

	return "Unknown type";
}

static char *dnpds820_media_subtypes(int media)
{
	switch (media) {
	case 0001: return "SD";
	case 0003: return "PP";
	default:
		break;
	}

	return "Unknown type";
}

static char *dnpds80_duplex_media_types(int media)
{
	switch (media) {
	case 100: return "8x10.75";
	case 200: return "8x12";
	default:
		break;
	}

	return "Unknown type";
}

static char *dnpds80_duplex_statuses(int status)
{
	switch (status) {
	case 5000: return "No Error";

	case 5500: return "Duplex Unit Not Connected";

	case 5017: return "Paper Jam: Supply Sensor On";
	case 5018: return "Paper Jam: Supply Sensor Off";
	case 5019: return "Paper Jam: Slot Sensor On";
	case 5020: return "Paper Jam: Slot Sensor Off";
	case 5021: return "Paper Jam: Pass Sensor On";
	case 5022: return "Paper Jam: Pass Sensor Off";
	case 5023: return "Paper Jam: Shell Sensor 1 On";
	case 5024: return "Paper Jam: Shell Sensor 1 Off";
	case 5025: return "Paper Jam: Shell Sensor 2 On";
	case 5026: return "Paper Jam: Shell Sensor 2 Off";
	case 5027: return "Paper Jam: Eject Sensor On";
	case 5028: return "Paper Jam: Eject Sensor Off";
	case 5029: return "Paper Jam: Slot FG Sensor";
	case 5030: return "Paper Jam: Shell FG Sensor";

	case 5033: return "Paper Supply Sensor Off";
	case 5034: return "Printer Feed Slot Sensor Off";
	case 5035: return "Pinch Pass Sensor Off";
	case 5036: return "Shell Pass Sensor 1 Off";
	case 5037: return "Shell Pass Sensor 2 Off";
	case 5038: return "Eject Sensor Off";

	case 5049: return "Capstan Drive Control Error";
	case 5065: return "Shell Roller Error";

	case 5081: return "Pinch Open Error";
	case 5082: return "Pinch Close Error";
	case 5083: return "Pinch Init Error";
	case 5084: return "Pinch Position Error";

	case 5097: return "Pass Guide Supply Error";
	case 5098: return "Pass Guide Shell Error";
	case 5099: return "Pass Guide Eject Error";
	case 5100: return "Pass Guide Init Error";
	case 5101: return "Pass Guide Position Error";

	case 5113: return "Side Guide Home Error";
	case 5114: return "Side Guide Position Error";
	case 5115: return "Side Guide Init Error";

	case 5129: return "Act Guide Home Error";

	case 5145: return "Shell Rotate Home Error";
	case 5146: return "Shell Rotate Rev Error";

	case 5161: return "Paper Feed Lever Down Error";
	case 5162: return "Paper Feed Lever Lock Error";
	case 5163: return "Paper Feed Lever Up Error";

	case 5177: return "Cutter Home Error";
	case 5178: return "Cutter Away Error";
	case 5179: return "Cutter Init Error";
	case 5180: return "Cutter Position Error";

	case 5193: return "Paper Tray Removed";
	case 5209: return "Cover Opened";
	case 5241: return "System Error";

	default:
		break;
	}

	return "Unkown Duplexer Error";
}

static char *dnpds40_statuses(int status)
{
	if (status >= 5000 && status <= 5999)
		return dnpds80_duplex_statuses(status);

	switch (status) {
	case 0:	return "Idle";
	case 1:	return "Printing";
	case 500: return "Cooling Print Head";
	case 510: return "Cooling Paper Motor";
	case 900: return "Standby Mode";
	case 1000: return "Cover Open";
	case 1010: return "No Scrap Box";
	case 1100: return "Paper End";
	case 1200: return "Ribbon End";
	case 1300: return "Paper Jam";
	case 1400: return "Ribbon Error";
	case 1500: return "Paper Definition Error";
	case 1600: return "Data Error";
	case 2000: return "Head Voltage Error";
	case 2100: return "Head Position Error";
	case 2200: return "Power Supply Fan Error";
	case 2300: return "Cutter Error";
	case 2400: return "Pinch Roller Error";
	case 2500: return "Abnormal Head Temperature";
	case 2600: return "Abnormal Media Temperature";
	case 2610: return "Abnormal Paper Motor Temperature";
	case 2700: return "Ribbon Tension Error";
	case 2800: return "RF-ID Module Error";
	case 3000: return "System Error";
	default:
		break;
	}

	return "Unknown Error";
}

static int dnpds40_do_cmd(struct dnpds40_ctx *ctx,
			  struct dnpds40_cmd *cmd,
			  uint8_t *data, int len)
{
	int ret;

	if ((ret = send_data(ctx->dev, ctx->endp_down,
			     (uint8_t*)cmd, sizeof(*cmd))))
		return ret;

	if (data && len) 
		if ((ret = send_data(ctx->dev, ctx->endp_down,
				     data, len)))
			return ret;

	return CUPS_BACKEND_OK;
}

static uint8_t *dnpds40_resp_cmd2(struct dnpds40_ctx *ctx,
				  struct dnpds40_cmd *cmd,
				  int *len,
				  uint8_t *buf, uint32_t buf_len)
{
	char tmp[9];
	uint8_t *respbuf;

	int ret, i, num = 0;

	memset(tmp, 0, sizeof(tmp));

	if ((ret = dnpds40_do_cmd(ctx, cmd, buf, buf_len)))
		return NULL;

	/* Read in the response header */
	ret = read_data(ctx->dev, ctx->endp_up,
			(uint8_t*)tmp, 8, &num);
	if (ret < 0)
		return NULL;

	if (num != 8) {
		ERROR("Short read! (%d/%d)\n", num, 8);
		return NULL;
	}

	i = atoi(tmp);  /* Length of payload in bytes, possibly padded */
	respbuf = malloc(i);
	if (!respbuf) {
		ERROR("Memory allocation failure (%d bytes)!\n", i);
		return NULL;
	}

	/* Read in the actual response */
	ret = read_data(ctx->dev, ctx->endp_up,
			respbuf, i, &num);
	if (ret < 0) {
		free(respbuf);
		return NULL;
	}

	if (num != i) {
		ERROR("Short read! (%d/%d)\n", num, i);
		free(respbuf);
		return NULL;
	}

	*len = num;
	return respbuf;
}

#define dnpds40_resp_cmd(__ctx, __cmd, __len) dnpds40_resp_cmd2(__ctx, __cmd, __len, NULL, 0)

static int dnpds40_query_serno(struct libusb_device_handle *dev, uint8_t endp_up, uint8_t endp_down, char *buf, int buf_len)
{
	struct dnpds40_cmd cmd;
	uint8_t *resp;
	int len = 0;

	struct dnpds40_ctx ctx = {
		.dev = dev,
		.endp_up = endp_up,
		.endp_down = endp_down,
	};

	/* Get Serial Number */
	dnpds40_build_cmd(&cmd, "INFO", "SERIAL_NUMBER", 0);

	resp = dnpds40_resp_cmd(&ctx, &cmd, &len);
	if (!resp)
		return CUPS_BACKEND_FAILED;

	dnpds40_cleanup_string((char*)resp, len);

	strncpy(buf, (char*)resp, buf_len);
	buf[buf_len-1] = 0;

	free(resp);

	return CUPS_BACKEND_OK;
}

static void *dnpds40_init(void)
{
	struct dnpds40_ctx *ctx = malloc(sizeof(struct dnpds40_ctx));
	if (!ctx) {
		ERROR("Memory allocation failure (%d bytes)!\n", (int)sizeof(struct dnpds40_ctx));
		return NULL;
	}
	memset(ctx, 0, sizeof(struct dnpds40_ctx));

	ctx->type = P_ANY;

	return ctx;
}

#define FW_VER_CHECK(__major, __minor) \
	((ctx->ver_major > (__major)) || \
	 (ctx->ver_major == (__major) && ctx->ver_minor >= (__minor)))

static void dnpds40_attach(void *vctx, struct libusb_device_handle *dev,
			   uint8_t endp_up, uint8_t endp_down, uint8_t jobid)
{
	struct dnpds40_ctx *ctx = vctx;
	struct libusb_device *device;
	struct libusb_device_descriptor desc;

	UNUSED(jobid);

	ctx->dev = dev;
	ctx->endp_up = endp_up;
	ctx->endp_down = endp_down;

	device = libusb_get_device(dev);
	libusb_get_device_descriptor(device, &desc);

	ctx->type = lookup_printer_type(&dnpds40_backend,
					desc.idVendor, desc.idProduct);

	{
		/* Get Firmware Version */
		struct dnpds40_cmd cmd;
		uint8_t *resp;
		int len = 0;

		dnpds40_build_cmd(&cmd, "INFO", "FVER", 0);

		resp = dnpds40_resp_cmd(ctx, &cmd, &len);
		if (resp) {
			char *ptr;
			dnpds40_cleanup_string((char*)resp, len);
			ctx->version = strdup((char*) resp);

			/* Parse version */
			/* ptr = */ strtok((char*)resp, " .");
			ptr = strtok(NULL, ".");
			ctx->ver_major = atoi(ptr);
			ptr = strtok(NULL, ".");
			ctx->ver_minor = atoi(ptr);
			free(resp);
		}

		/* Get Serial Number */
		dnpds40_build_cmd(&cmd, "INFO", "SERIAL_NUMBER", 0);

		resp = dnpds40_resp_cmd(ctx, &cmd, &len);
		if (resp) {
			dnpds40_cleanup_string((char*)resp, len);
			ctx->serno = (char*) resp;
			/* Do NOT free resp! */
		}

		/* Query Media Info */
		dnpds40_build_cmd(&cmd, "INFO", "MEDIA", 0);

		resp = dnpds40_resp_cmd(ctx, &cmd, &len);
		if (resp) {
			char tmp[4];

			dnpds40_cleanup_string((char*)resp, len);

			memcpy(tmp, resp + 4, 3);
			tmp[3] = 0;

			ctx->media = atoi(tmp);

			/* Subtract out the "mark" type */
			if (ctx->media & 1)
				ctx->media--;

			free(resp);
		}
	}

	if (ctx->type == P_DNP_DS80D) {
		struct dnpds40_cmd cmd;
		uint8_t *resp;
		int len = 0;

		/* Query Duplex Media Info */
		dnpds40_build_cmd(&cmd, "INFO", "CUT_PAPER", 0);

		resp = dnpds40_resp_cmd(ctx, &cmd, &len);
		if (resp) {
			char tmp[5];

			dnpds40_cleanup_string((char*)resp, len);

			memcpy(tmp, resp + 4, 4);
			tmp[4] = 0;

			ctx->duplex_media = atoi(tmp);

			/* Subtract out the paper status */
			if (ctx->duplex_media & 3)
				ctx->duplex_media -= (ctx->duplex_media & 3);

			free(resp);
		}
	}

#ifdef DNP_ONLY
	/* Only allow DNP printers to work. Rebadged versions should not. */

	{ /* Validate USB Vendor String is "Dai Nippon Printing" */
		char buf[256];
		buf[0] = 0;
		libusb_get_string_descriptor_ascii(dev, desc->iManufacturer, (unsigned char*)buf, STR_LEN_MAX);
		sanitize_string(buf);
		if (strncmp(buf, "Dai", 3))
			return 0;
	}
#endif

	/* Per-printer options */
	switch (ctx->type) {
	case P_DNP_DS40:
		ctx->native_width = 1920;
		ctx->supports_6x9 = 1;
		if (FW_VER_CHECK(1,04))
			ctx->supports_counterp = 1;
		if (FW_VER_CHECK(1,30))
			ctx->supports_matte = 1;
		if (FW_VER_CHECK(1,40))
			ctx->supports_2x6 = 1;
		break;
	case P_DNP_DS80:
	case P_DNP_DS80D:
		ctx->native_width = 2560;
		if (FW_VER_CHECK(1,02))
			ctx->supports_counterp = 1;
		if (FW_VER_CHECK(1,30))
			ctx->supports_matte = 1;
		break;
	case P_DNP_DSRX1:
		ctx->native_width = 1920;
		ctx->supports_counterp = 1;
		ctx->supports_matte = 1;
		if (FW_VER_CHECK(1,10))
			ctx->supports_2x6 = ctx->supports_mqty_default = 1;
                if (FW_VER_CHECK(1,20))
			ctx->supports_3x5x2 = 1;
		if (FW_VER_CHECK(2,00)) { /* AKA RX1HS */
			ctx->supports_mediaoffset = 1;
			ctx->supports_iserial = 1;
		}
		break;
	case P_DNP_DS620:
		ctx->native_width = 1920;
		ctx->correct_count = 1;
		ctx->supports_counterp = 1;
		ctx->supports_matte = 1;
		ctx->supports_2x6 = 1;
		ctx->supports_fullcut = 1;
		ctx->supports_mqty_default = 1;
		if (strchr(ctx->version, 'A'))
			ctx->supports_rewind = 0;
		else
			ctx->supports_rewind = 1;
		ctx->supports_standby = 1;
		ctx->supports_iserial = 1;
		ctx->supports_6x6 = 1;
		ctx->supports_5x5 = 1;
		ctx->supports_lowspeed = 1;
		if (FW_VER_CHECK(0,30))
			ctx->supports_3x5x2 = 1;
		if (FW_VER_CHECK(1,10))
			ctx->supports_6x9 = ctx->supports_6x4_5 = 1;
		if (FW_VER_CHECK(1,20))
			ctx->supports_adv_fullcut = ctx->supports_advmatte = 1;
		if (FW_VER_CHECK(1,30))
			ctx->supports_luster = ctx->supports_finematte = 1;
		if (FW_VER_CHECK(1,33))
			ctx->supports_media_ext = 1;
		break;
	case P_DNP_DS820:
		ctx->native_width = 2560;
		ctx->correct_count = 1;
		ctx->supports_counterp = 1;
		ctx->supports_matte = 1;
		ctx->supports_fullcut = 1;
		ctx->supports_mqty_default = 1;
		if (strchr(ctx->version, 'A'))
			ctx->supports_rewind = 0;
		else
			ctx->supports_rewind = 1;
		ctx->supports_standby = 1;
		ctx->supports_iserial = 1;
		ctx->supports_adv_fullcut = 1;
		ctx->supports_advmatte = 1;
		ctx->supports_luster = 1;
		ctx->supports_finematte = 1;
		ctx->supports_printspeed = 1;
		ctx->supports_lowspeed = 1;
		ctx->supports_highdensity = 1;
		if (FW_VER_CHECK(0,50))
			ctx->supports_gamma = 1;
		break;
	default:
		ERROR("Unknown vid/pid %04x/%04x (%d)\n", desc.idVendor, desc.idProduct, ctx->type);
		return;
	}

	ctx->last_matte = -1;
#ifdef STATE_DIR
	/* Check our current job's lamination vs previous job. */
	{
		/* Load last matte status from file */
		char buf[64];
		FILE *f;
		snprintf(buf, sizeof(buf), STATE_DIR "/%s-last", ctx->serno);
		f = fopen(buf, "r");
		if (f) {
			fscanf(f, "%d", &ctx->last_matte);
			fclose(f);
		}
	}
#endif

	if (ctx->supports_mediaoffset) {
		/* Get Media Offset */
		struct dnpds40_cmd cmd;
		uint8_t *resp;
		int len = 0;

		dnpds40_build_cmd(&cmd, "INFO", "MEDIA_OFFSET", 0);
		resp = dnpds40_resp_cmd(ctx, &cmd, &len);
		if (resp) {
			ctx->mediaoffset = atoi((char*)resp+4);
			free(resp);
		}
	} else if (!ctx->correct_count) {
		ctx->mediaoffset = 50;
	}

	if (ctx->supports_mqty_default) {
		struct dnpds40_cmd cmd;
		uint8_t *resp;
		int len = 0;

		dnpds40_build_cmd(&cmd, "INFO", "MQTY_DEFAULT", 0);

		resp = dnpds40_resp_cmd(ctx, &cmd, &len);
		if (resp) {
			dnpds40_cleanup_string((char*)resp, len);
			ctx->media_count_new = atoi((char*)resp+4);
			free(resp);
			ctx->media_count_new -= ctx->mediaoffset;
		}
	} else {
		/* Look it up for legacy models & FW */
		switch (ctx->type) {
		case P_DNP_DS40:
			switch (ctx->media) {
			case 200: // L
				ctx->media_count_new = 460;
				break;
			case 210: // 2L
				ctx->media_count_new = 230;
				break;
			case 300: // PC
				ctx->media_count_new = 400;
				break;
			case 310: // A5
				ctx->media_count_new = 200;
				break;
			case 400: // A5W
				ctx->media_count_new = 180;
				break;
			default:
				ctx->media_count_new = 999; // non-zero
				break;
			}
			break;
		case P_DNP_DSRX1:
			switch (ctx->media) {
			case 300: // PC
				ctx->media_count_new = 700;
				break;
			case 310: // A5
				ctx->media_count_new = 350;
				break;
			default:
				ctx->media_count_new = 999; // non-zero