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-rw-r--r--backend/canon_dr-cmd.h545
1 files changed, 545 insertions, 0 deletions
diff --git a/backend/canon_dr-cmd.h b/backend/canon_dr-cmd.h
new file mode 100644
index 0000000..64e6887
--- /dev/null
+++ b/backend/canon_dr-cmd.h
@@ -0,0 +1,545 @@
+#ifndef CANON_DR_CMD_H
+#define CANON_DR_CMD_H
+
+/*
+ * Part of SANE - Scanner Access Now Easy.
+ * Please see opening comments in canon_dr.c
+ */
+
+/****************************************************/
+
+#define USB_HEADER_LEN 12
+#define USB_COMMAND_LEN 12
+#define USB_STATUS_LEN 4
+#define USB_COMMAND_TIME 30000
+#define USB_DATA_TIME 30000
+#define USB_STATUS_TIME 30000
+
+/*static inline void */
+static void
+setbitfield (unsigned char *pageaddr, int mask, int shift, int val)
+{
+ *pageaddr = (*pageaddr & ~(mask << shift)) | ((val & mask) << shift);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*static inline int */
+static int
+getbitfield (unsigned char *pageaddr, int mask, int shift)
+{
+ return ((*pageaddr >> shift) & mask);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static int
+getnbyte (unsigned char *pnt, int nbytes)
+{
+ unsigned int result = 0;
+ int i;
+
+#ifdef DEBUG
+ assert (nbytes < 5);
+#endif
+ for (i = 0; i < nbytes; i++)
+ result = (result << 8) | (pnt[i] & 0xff);
+ return result;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*static inline void */
+static void
+putnbyte (unsigned char *pnt, unsigned int value, unsigned int nbytes)
+{
+ int i;
+
+#ifdef DEBUG
+ assert (nbytes < 5);
+#endif
+ for (i = nbytes - 1; i >= 0; i--)
+
+ {
+ pnt[i] = value & 0xff;
+ value = value >> 8;
+ }
+}
+
+/* ==================================================================== */
+/* SCSI commands */
+
+#define set_SCSI_opcode(out, val) out[0]=val
+#define set_SCSI_lun(out, val) setbitfield(out + 1, 7, 5, val)
+
+/* ==================================================================== */
+/* TEST_UNIT_READY */
+#define TEST_UNIT_READY_code 0x00
+#define TEST_UNIT_READY_len 6
+
+/* ==================================================================== */
+/* REQUEST_SENSE */
+#define REQUEST_SENSE_code 0x03
+#define REQUEST_SENSE_len 6
+
+#define RS_return_size 0x0e
+#define set_RS_return_size(icb,val) icb[0x04]=val
+
+/* defines for request sense return block */
+#define get_RS_information_valid(b) getbitfield(b + 0x00, 1, 7)
+#define get_RS_error_code(b) getbitfield(b + 0x00, 0x7f, 0)
+#define get_RS_filemark(b) getbitfield(b + 0x02, 1, 7)
+#define get_RS_EOM(b) getbitfield(b + 0x02, 1, 6)
+#define get_RS_ILI(b) getbitfield(b + 0x02, 1, 5)
+#define get_RS_sense_key(b) getbitfield(b + 0x02, 0x0f, 0)
+#define get_RS_information(b) getnbyte(b+0x03, 4) /* normally 0 */
+#define get_RS_additional_length(b) b[0x07] /* always 6? */
+#define get_RS_ASC(b) b[0x0c]
+#define get_RS_ASCQ(b) b[0x0d]
+#define get_RS_SKSV(b) getbitfield(b+0x0f,1,7) /* valid=0 */
+#define get_RS_SKSB(b) getnbyte(b+0x0f, 3)
+
+/* when RS is 0x05/0x26 bad bytes listed in sksb */
+/* #define get_RS_offending_byte(b) getnbyte(b+0x10, 2) */
+
+/* ==================================================================== */
+/* INQUIRY */
+#define INQUIRY_code 0x12
+#define INQUIRY_len 6
+
+#define INQUIRY_std_len 0x30
+#define INQUIRY_vpd_len 0x1e
+
+#define set_IN_evpd(icb, val) setbitfield(icb + 1, 1, 0, val)
+#define set_IN_page_code(icb, val) icb[0x02]=val
+#define set_IN_return_size(icb,val) icb[0x04]=val
+
+#define get_IN_periph_qual(in) getbitfield(in, 0x07, 5)
+#define IN_periph_qual_lun 0x00
+#define IN_periph_qual_nolun 0x03
+#define get_IN_periph_devtype(in) getbitfield(in, 0x1f, 0)
+#define IN_periph_devtype_scanner 0x06
+#define IN_periph_devtype_unknown 0x1f
+#define get_IN_response_format(in) getbitfield(in + 0x03, 0x07, 0)
+#define IN_recognized 0x02
+#define get_IN_vendor(in, buf) strncpy(buf, (char *)in + 0x08, 0x08)
+#define get_IN_product(in, buf) strncpy(buf, (char *)in + 0x10, 0x010)
+#define get_IN_version(in, buf) strncpy(buf, (char *)in + 0x20, 0x04)
+
+/* the VPD response */
+#define get_IN_page_length(in) in[0x04]
+#define get_IN_basic_x_res(in) getnbyte(in + 0x05, 2)
+#define get_IN_basic_y_res(in) getnbyte(in + 0x07, 2)
+#define get_IN_step_x_res(in) getbitfield(in+0x09, 1, 0)
+#define get_IN_step_y_res(in) getbitfield(in+0x09, 1, 4)
+#define get_IN_max_x_res(in) getnbyte(in + 0x0a, 2)
+#define get_IN_max_y_res(in) getnbyte(in + 0x0c, 2)
+#define get_IN_min_x_res(in) getnbyte(in + 0x0e, 2)
+#define get_IN_min_y_res(in) getnbyte(in + 0x10, 2)
+#define get_IN_std_res_60(in) getbitfield(in+ 0x12, 1, 7)
+#define get_IN_std_res_75(in) getbitfield(in+ 0x12, 1, 6)
+#define get_IN_std_res_100(in) getbitfield(in+ 0x12, 1, 5)
+#define get_IN_std_res_120(in) getbitfield(in+ 0x12, 1, 4)
+#define get_IN_std_res_150(in) getbitfield(in+ 0x12, 1, 3)
+#define get_IN_std_res_160(in) getbitfield(in+ 0x12, 1, 2)
+#define get_IN_std_res_180(in) getbitfield(in+ 0x12, 1, 1)
+#define get_IN_std_res_200(in) getbitfield(in+ 0x12, 1, 0)
+#define get_IN_std_res_240(in) getbitfield(in+ 0x13, 1, 7)
+#define get_IN_std_res_300(in) getbitfield(in+ 0x13, 1, 6)
+#define get_IN_std_res_320(in) getbitfield(in+ 0x13, 1, 5)
+#define get_IN_std_res_400(in) getbitfield(in+ 0x13, 1, 4)
+#define get_IN_std_res_480(in) getbitfield(in+ 0x13, 1, 3)
+#define get_IN_std_res_600(in) getbitfield(in+ 0x13, 1, 2)
+#define get_IN_std_res_800(in) getbitfield(in+ 0x13, 1, 1)
+#define get_IN_std_res_1200(in) getbitfield(in+ 0x13, 1, 0)
+#define get_IN_window_width(in) getnbyte(in + 0x14, 4)
+#define get_IN_window_length(in) getnbyte(in + 0x18, 4)
+#define get_IN_awd(in) getbitfield(in+0x1c, 1, 7)
+#define get_IN_ce_emphasis(in) getbitfield(in+0x1c, 1, 6)
+#define get_IN_c_emphasis(in) getbitfield(in+0x1c, 1, 5)
+#define get_IN_high_quality(in) getbitfield(in+0x1c, 1, 4)
+#define get_IN_multilevel(in) getbitfield(in+0x1c, 1, 3)
+#define get_IN_half_tone(in) getbitfield(in+0x1c, 1, 2)
+#define get_IN_monochrome(in) getbitfield(in+0x1c, 1, 1)
+#define get_IN_overflow(in) getbitfield(in+0x1c, 1, 0)
+
+/* some scanners need evpd inquiry data manipulated */
+#define set_IN_page_length(in,val) in[0x04]=val
+
+/* ==================================================================== */
+/* RESERVE_UNIT */
+#define RESERVE_UNIT_code 0x16
+#define RESERVE_UNIT_len 6
+
+/* ==================================================================== */
+/* RELEASE_UNIT */
+
+#define RELEASE_UNIT_code 0x17
+#define RELEASE_UNIT_len 6
+
+/* ==================================================================== */
+/* SCAN */
+#define SCAN_code 0x1b
+#define SCAN_len 6
+
+#define set_SC_xfer_length(sb, val) sb[0x04] = (unsigned char)val
+
+/* ==================================================================== */
+/* SET_WINDOW */
+#define SET_WINDOW_code 0x24
+#define SET_WINDOW_len 10
+
+#define set_SW_xferlen(sb, len) putnbyte(sb + 0x06, len, 3)
+
+#define SW_header_len 8
+#define SW_desc_len 0x2c
+
+/* ==================================================================== */
+/* GET_WINDOW */
+#define GET_WINDOW_code 0x25
+#define GET_WINDOW_len 0
+
+/* ==================================================================== */
+/* READ/SEND page codes */
+#define SR_datatype_image 0x00
+#define SR_datatype_lut 0x03
+#define SR_datatype_panel 0x84
+#define SR_datatype_counters 0x8c
+#define SR_datatype_endorser 0x90
+#define SR_datatype_fineoffset 0x90
+#define SR_datatype_finegain 0x91
+
+/* ==================================================================== */
+/* READ */
+#define READ_code 0x28
+#define READ_len 10
+
+#define set_R_datatype_code(sb, val) sb[0x02] = val
+#define set_R_xfer_uid(sb, val) sb[4] = val
+#define set_R_xfer_lid(sb, val) sb[5] = val
+#define set_R_xfer_length(sb, val) putnbyte(sb + 0x06, val, 3)
+
+/*image needs no macros?*/
+
+/*lut unread?*/
+
+/*panel*/
+#define R_PANEL_len 0x08
+#define get_R_PANEL_start(in) getbitfield(in, 1, 7)
+#define get_R_PANEL_stop(in) getbitfield(in, 1, 6)
+#define get_R_PANEL_butt3(in) getbitfield(in, 1, 2)
+#define get_R_PANEL_new_file(in) getbitfield(in+1, 1, 0)
+#define get_R_PANEL_count_only(in) getbitfield(in+1, 1, 1)
+#define get_R_PANEL_bypass_mode(in) getbitfield(in+1, 1, 2)
+#define get_R_PANEL_enable_led(in) getbitfield(in+2, 1, 0)
+#define get_R_PANEL_counter(in) getnbyte(in + 0x04, 4)
+
+/*counters*/
+#define R_COUNTERS_len 0x80
+#define get_R_COUNTERS_scans(in) getnbyte(in + 0x04, 4)
+
+/*endorser unread?*/
+
+/*fine gain*/
+#define R_FINE_uid_gray 0x07
+#define R_FINE_uid_red 0x0c
+#define R_FINE_uid_green 0x0a
+#define R_FINE_uid_blue 0x09
+#define R_FINE_uid_unknown 0x14
+
+/* ==================================================================== */
+/* SEND */
+#define SEND_code 0x2a
+#define SEND_len 10
+
+#define set_S_xfer_datatype(sb, val) sb[0x02] = (unsigned char)val
+#define set_S_xfer_id(sb, val) putnbyte(sb + 4, val, 2)
+#define set_S_xfer_length(sb, val) putnbyte(sb + 6, val, 3)
+
+/*lut*/
+#define S_LUT_len 0x100
+#define S_LUT_id_front 0x82
+#define S_LUT_id_unk1 0x84
+#define S_LUT_id_unk2 0x88
+#define S_LUT_id_unk3 0x90
+
+/*panel*/
+#define S_PANEL_len 0x08
+#define set_S_PANEL_enable_led(in,val) setbitfield(in+2, 1, 0, val)
+#define set_S_PANEL_counter(sb,val) putnbyte(sb + 0x04, val, 4)
+
+/*counters*/
+/*endorser*/
+
+/* ==================================================================== */
+/* OBJECT_POSITION */
+#define OBJECT_POSITION_code 0x31
+#define OBJECT_POSITION_len 10
+
+#define set_OP_autofeed(b,val) setbitfield(b+0x01, 0x07, 0, val)
+#define OP_Discharge 0x00
+#define OP_Feed 0x01
+
+/* ==================================================================== */
+/* Page codes used by GET/SET SCAN MODE */
+#define SM_pc_adf 0x01
+#define SM_pc_tpu 0x02
+#define SM_pc_scan_ctl 0x20
+
+#define SM_pc_df 0x30
+#define SM_pc_buffer 0x32
+#define SM_pc_imprinter 0x34
+#define SM_pc_dropout 0x36
+#define SM_pc_unknown 0x37
+
+#define SM_pc_all_pc 0x3F
+
+/* ==================================================================== */
+/* GET SCAN MODE */
+#define GET_SCAN_MODE_code 0xd5
+#define GET_SCAN_MODE_len 6
+
+#define set_GSM_unknown(sb, val) sb[0x01] = val
+#define set_GSM_page_code(sb, val) sb[0x02] = val
+#define set_GSM_len(sb, val) sb[0x04] = val
+
+#define GSM_PSIZE_len 0x5a
+
+/* ==================================================================== */
+/* SET SCAN MODE */
+#define SET_SCAN_MODE_code 0xd6
+#define SET_SCAN_MODE_len 6
+
+#define set_SSM_pf(sb, val) setbitfield(sb + 1, 1, 4, val)
+#define set_SSM_pay_len(sb, val) sb[0x04] = val
+
+/* the payload */
+#define SSM_PAY_len 0x14
+#define SSM_PAY_HEAD_len 0x13
+#define set_SSM_pay_head_len(sb, val) sb[0x01] = val
+#define set_SSM_page_code(sb, val) sb[0x04] = val
+#define SSM_PAGE_len 0x0e
+#define set_SSM_page_len(sb, val) sb[0x05] = val
+
+/* for DF (0x30) page */
+#define set_SSM_DF_deskew_roll(sb, val) setbitfield(sb+7, 1, 5, val)
+#define set_SSM_DF_staple(sb, val) setbitfield(sb+7, 1, 4, val)
+#define set_SSM_DF_thick(sb, val) setbitfield(sb+7, 1, 2, val)
+#define set_SSM_DF_len(sb, val) setbitfield(sb+7, 1, 0, val)
+#define set_SSM_DF_textdir(sb, val) setbitfield(sb+9, 0xf, 0, val)
+
+/* for BUFFER (0x32) page */
+#define set_SSM_BUFF_duplex(sb, val) setbitfield(sb+6, 1, 1, val)
+#define set_SSM_BUFF_unk(sb, val) sb[0x07] = val
+#define set_SSM_BUFF_async(sb, val) setbitfield(sb+0x0a, 1, 6, val)
+#define set_SSM_BUFF_ald(sb, val) setbitfield(sb+0x0a, 1, 5, val)
+#define set_SSM_BUFF_fb(sb, val) setbitfield(sb+0x0a, 1, 4, val)
+
+/* for DO (0x36) page */
+#define SSM_DO_none 0
+#define SSM_DO_red 1
+#define SSM_DO_green 2
+#define SSM_DO_blue 3
+#define set_SSM_DO_unk1(sb, val) sb[0x07] = val
+#define set_SSM_DO_unk2(sb, val) sb[0x09] = val
+#define set_SSM_DO_f_do(sb, val) sb[0x0b] = val
+#define set_SSM_DO_b_do(sb, val) sb[0x0c] = val
+#define set_SSM_DO_f_en(sb, val) sb[0x0d] = val
+#define set_SSM_DO_b_en(sb, val) sb[0x0e] = val
+
+/* ==================================================================== */
+/* Cancel */
+#define CANCEL_code 0xd8
+#define CANCEL_len 6
+
+/* ==================================================================== */
+/* Coarse Calibration */
+#define COR_CAL_code 0xe1
+#define COR_CAL_len 10
+
+#define set_CC_version(sb, val) sb[5] = val
+#define set_CC_xferlen(sb, len) putnbyte(sb + 0x06, len, 3)
+
+/* the payload */
+#define CC_pay_len 0x20
+#define CC_pay_ver 0x00
+
+#define set_CC_f_gain(sb, val) sb[0] = val
+#define set_CC_unk1(sb, val) sb[1] = val
+#define set_CC_f_offset(sb, val) sb[2] = val
+#define set_CC_unk2(sb, val) sb[3] = val
+
+#define set_CC_exp_f_r1(sb, val) putnbyte(sb + 0x04, val, 2)
+#define set_CC_exp_f_g1(sb, val) putnbyte(sb + 0x06, val, 2)
+#define set_CC_exp_f_b1(sb, val) putnbyte(sb + 0x08, val, 2)
+#define set_CC_exp_f_r2(sb, val) putnbyte(sb + 0x0a, val, 2)
+#define set_CC_exp_f_g2(sb, val) putnbyte(sb + 0x0c, val, 2)
+#define set_CC_exp_f_b2(sb, val) putnbyte(sb + 0x0e, val, 2)
+
+#define set_CC_b_gain(sb, val) sb[0x10] = val
+#define set_CC_b_offset(sb, val) sb[0x12] = val
+
+#define set_CC_exp_b_r1(sb, val) putnbyte(sb + 0x14, val, 2)
+#define set_CC_exp_b_g1(sb, val) putnbyte(sb + 0x16, val, 2)
+#define set_CC_exp_b_b1(sb, val) putnbyte(sb + 0x18, val, 2)
+#define set_CC_exp_b_r2(sb, val) putnbyte(sb + 0x1a, val, 2)
+#define set_CC_exp_b_g2(sb, val) putnbyte(sb + 0x1c, val, 2)
+#define set_CC_exp_b_b2(sb, val) putnbyte(sb + 0x1e, val, 2)
+
+/* the 'version 3' payload (P-208 and P-215) */
+#define CC3_pay_len 0x28
+#define CC3_pay_ver 0x03
+
+#define set_CC3_gain_f_r(sb, val) sb[0] = val
+#define set_CC3_gain_f_g(sb, val) sb[1] = val
+#define set_CC3_gain_f_b(sb, val) sb[2] = val
+
+#define set_CC3_off_f_r(sb, val) sb[4] = val
+#define set_CC3_off_f_g(sb, val) sb[5] = val
+#define set_CC3_off_f_b(sb, val) sb[6] = val
+
+#define set_CC3_exp_f_r(sb, val) putnbyte(sb + 0x08, val, 2)
+#define set_CC3_exp_f_g(sb, val) putnbyte(sb + 0x0a, val, 2)
+#define set_CC3_exp_f_b(sb, val) putnbyte(sb + 0x0c, val, 2)
+
+#define set_CC3_gain_b_r(sb, val) sb[0x14] = val
+#define set_CC3_gain_b_g(sb, val) sb[0x15] = val
+#define set_CC3_gain_b_b(sb, val) sb[0x16] = val
+
+#define set_CC3_off_b_r(sb, val) sb[0x18] = val
+#define set_CC3_off_b_g(sb, val) sb[0x19] = val
+#define set_CC3_off_b_b(sb, val) sb[0x1a] = val
+
+#define set_CC3_exp_b_r(sb, val) putnbyte(sb + 0x1c, val, 2)
+#define set_CC3_exp_b_g(sb, val) putnbyte(sb + 0x1e, val, 2)
+#define set_CC3_exp_b_b(sb, val) putnbyte(sb + 0x20, val, 2)
+
+/* ==================================================================== */
+/* SET SCAN MODE 2 */
+#define SET_SCAN_MODE2_code 0xe5
+#define SET_SCAN_MODE2_len 10
+
+#define set_SSM2_page_code(sb, val) sb[0x02] = val
+#define set_SSM2_pay_len(sb, val) sb[0x08] = val
+
+/* the payload */
+#define SSM2_PAY_len 0x10
+#define set_SSM2_unk(sb, val) sb[0x02] = val
+#define set_SSM2_unk2(sb, val) sb[0x03] = val
+#define set_SSM2_unk3(sb, val) sb[0x04] = val
+
+/* ==================================================================== */
+/* window descriptor macros for SET_WINDOW and GET_WINDOW */
+
+#define set_WPDB_wdblen(sb, len) putnbyte(sb + 0x06, len, 2)
+
+/* ==================================================================== */
+
+ /* 0x00 - Window Identifier */
+#define set_WD_wid(sb, val) sb[0] = val
+#define WD_wid_front 0x00
+#define WD_wid_back 0x01
+
+ /* 0x01 - Reserved (bits 7-1), AUTO (bit 0) */
+#define set_WD_auto(sb, val) setbitfield(sb + 0x01, 1, 0, val)
+#define get_WD_auto(sb) getbitfield(sb + 0x01, 1, 0)
+
+ /* 0x02,0x03 - X resolution in dpi */
+#define set_WD_Xres(sb, val) putnbyte(sb + 0x02, val, 2)
+#define get_WD_Xres(sb) getnbyte(sb + 0x02, 2)
+
+ /* 0x04,0x05 - Y resolution in dpi */
+#define set_WD_Yres(sb, val) putnbyte(sb + 0x04, val, 2)
+#define get_WD_Yres(sb) getnbyte(sb + 0x04, 2)
+
+ /* 0x06-0x09 - Upper Left X in 1/1200 inch */
+#define set_WD_ULX(sb, val) putnbyte(sb + 0x06, val, 4)
+#define get_WD_ULX(sb) getnbyte(sb + 0x06, 4)
+
+ /* 0x0a-0x0d - Upper Left Y in 1/1200 inch */
+#define set_WD_ULY(sb, val) putnbyte(sb + 0x0a, val, 4)
+#define get_WD_ULY(sb) getnbyte(sb + 0x0a, 4)
+
+ /* 0x0e-0x11 - Width in 1/1200 inch */
+#define set_WD_width(sb, val) putnbyte(sb + 0x0e, val, 4)
+#define get_WD_width(sb) getnbyte(sb + 0x0e, 4)
+
+ /* 0x12-0x15 - Height in 1/1200 inch */
+#define set_WD_length(sb, val) putnbyte(sb + 0x12, val, 4)
+#define get_WD_length(sb) getnbyte(sb + 0x12, 4)
+
+ /* 0x16 - Brightness */
+#define set_WD_brightness(sb, val) sb[0x16] = val
+#define get_WD_brightness(sb) sb[0x16]
+
+ /* 0x17 - Threshold */
+#define set_WD_threshold(sb, val) sb[0x17] = val
+#define get_WD_threshold(sb) sb[0x17]
+
+ /* 0x18 - Contrast */
+#define set_WD_contrast(sb, val) sb[0x18] = val
+#define get_WD_contrast(sb) sb[0x18]
+
+ /* 0x19 - Image Composition (color mode) */
+#define set_WD_composition(sb, val) sb[0x19] = val
+#define get_WD_composition(sb) sb[0x19]
+#define WD_comp_LA 0
+#define WD_comp_HT 1
+#define WD_comp_GS 2
+#define WD_comp_CL 3
+#define WD_comp_CH 4
+#define WD_comp_CG 5
+
+ /* 0x1a - Depth */
+#define set_WD_bitsperpixel(sb, val) sb[0x1a] = val
+#define get_WD_bitsperpixel(sb) sb[0x1a]
+
+ /* 0x1b,0x1c - Halftone Pattern */
+#define set_WD_ht_type(sb, val) sb[0x1b] = val
+#define get_WD_ht_type(sb) sb[0x1b]
+#define WD_ht_type_DEFAULT 0
+#define WD_ht_type_DITHER 1
+#define WD_ht_type_DIFFUSION 2
+
+#define set_WD_ht_pattern(sb, val) sb[0x1c] = val
+#define get_WD_ht_pattern(sb) sb[0x1c]
+
+ /* 0x1d - Reverse image, reserved area, padding type */
+#define set_WD_rif(sb, val) setbitfield(sb + 0x1d, 1, 7, val)
+#define get_WD_rif(sb) getbitfield(sb + 0x1d, 1, 7)
+#define set_WD_rgb(sb, val) setbitfield(sb + 0x1d, 7, 4, val)
+#define get_WD_rgb(sb) getbitfield(sb + 0x1d, 7, 4)
+#define set_WD_padding(sb, val) setbitfield(sb + 0x1d, 7, 0, val)
+#define get_WD_padding(sb) getbitfield(sb + 0x1d, 7, 0)
+
+ /* 0x1e,0x1f - Bit ordering */
+#define set_WD_bitorder(sb, val) putnbyte(sb + 0x1e, val, 2)
+#define get_WD_bitorder(sb) getnbyte(sb + 0x1e, 2)
+
+ /* 0x20 - compression type */
+#define set_WD_compress_type(sb, val) sb[0x20] = val
+#define get_WD_compress_type(sb) sb[0x20]
+#define WD_cmp_NONE 0
+#define WD_cmp_MH 1
+#define WD_cmp_MR 2
+#define WD_cmp_MMR 3
+#define WD_cmp_JPEG 0x80
+
+ /* 0x21 - compression argument
+ * specify "k" parameter with MR compress,
+ * or with JPEG- Q param, 0-7
+ */
+#define set_WD_compress_arg(sb, val) sb[0x21] = val
+#define get_WD_compress_arg(sb) sb[0x21]
+
+ /* 0x22-0x27 - reserved */
+
+ /* 0x28-0x2c - vendor unique */
+ /* FIXME: more params here? */
+#define set_WD_reserved2(sb, val) sb[0x2a] = val
+#define get_WD_reserved2(sb) sb[0x2a]
+
+
+/* ==================================================================== */
+
+#endif