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/**
* Copyright (C) 2000 Håkan Hjort <d95hjort@dtek.chalmers.se>
*
* 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 2 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
*/
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <assert.h>
#include "config.h" // Needed for WORDS_BIGENDIAN
#include "bswap.h"
#include "nav_types.h"
#include "nav_read.h"
#include "nav_print.h"
/*
#define LOG_NAV_READ
#define STRICT
*/
void nav_read_pci(pci_t *pci, unsigned char *buffer) {
int i, j;
assert(sizeof(pci_t) == PCI_BYTES - 1); // -1 for substream id
memcpy(pci, buffer, sizeof(pci_t));
/* Endian conversions */
/* pci pci_gi */
B2N_32(pci->pci_gi.nv_pck_lbn);
B2N_16(pci->pci_gi.vobu_cat);
B2N_32(pci->pci_gi.vobu_s_ptm);
B2N_32(pci->pci_gi.vobu_e_ptm);
B2N_32(pci->pci_gi.vobu_se_e_ptm);
/* pci nsml_agli */
for(i = 0; i < 9; i++)
B2N_32(pci->nsml_agli.nsml_agl_dsta[i]);
/* pci hli hli_gi */
B2N_16(pci->hli.hl_gi.hli_ss);
B2N_32(pci->hli.hl_gi.hli_s_ptm);
B2N_32(pci->hli.hl_gi.hli_e_ptm);
B2N_32(pci->hli.hl_gi.btn_se_e_ptm);
/* pci hli btn_colit */
for(i = 0; i < 3; i++)
for(j = 0; j < 2; j++)
B2N_32(pci->hli.btn_colit.btn_coli[i][j]);
/* pci hli btni */
/* There are some issues with this bitfiled with some compilers
because they stradle word boundaries. */
#if !defined(WORDS_BIGENDIAN)
for(i = 0; i < 36; i++) {
#if 0 /* Wierd Sun CC code that does not work */
unsigned char m[6];
memcpy(m, &pci->hli.btnit[i], 6);
pci->hli.btnit[i].zero1 = (m[1] >> 2);
pci->hli.btnit[i].x_start = (m[0] << 4) | (m[1] >> 4);
pci->hli.btnit[i].x_end = (m[1] << 8) | m[2];
pci->hli.btnit[i].y_start = (m[3] << 4) | (m[4] >> 4);
pci->hli.btnit[i].y_end = (m[4] << 8) | m[5];
pci->hli.btnit[i].zero2 = (m[4] >> 2);
pci->hli.btnit[i].btn_coln = (m[0] >> 6);
pci->hli.btnit[i].auto_action_mode = (m[3] >> 6);
#else
char tmp[6], swap;
memcpy(tmp, &(pci->hli.btnit[i]), 6);
/* This is a B2N_24() */
swap = tmp[0]; tmp[0] = tmp[2]; tmp[2] = swap;
/* This is a B2N_24() */
swap = tmp[3]; tmp[3] = tmp[5]; tmp[5] = swap;
memcpy(&(pci->hli.btnit[i]), tmp, 6);
#endif
}
#endif
/* Debug */
#ifdef LOG_NAV_READ
navPrint_PCI(pci);
#endif
#ifdef STRICT
/* Asserts */
/* pci pci gi */
assert(pci->pci_gi.zero1 == 0);
/* pci hli hli_gi */
assert(pci->hli.hl_gi.zero1 == 0);
assert(pci->hli.hl_gi.zero2 == 0);
assert(pci->hli.hl_gi.zero3 == 0);
assert(pci->hli.hl_gi.zero4 == 0);
assert(pci->hli.hl_gi.zero5 == 0);
/* Are there buttons defined here? */
if((pci->hli.hl_gi.hli_ss & 0x03) != 0) {
assert(pci->hli.hl_gi.btn_ns != 0);
assert(pci->hli.hl_gi.btngr_ns != 0);
} else {
assert((pci->hli.hl_gi.btn_ns != 0 && pci->hli.hl_gi.btngr_ns != 0)
|| (pci->hli.hl_gi.btn_ns == 0 && pci->hli.hl_gi.btngr_ns == 0));
}
/* pci hli btnit */
#if NDEBUG
for(i = 0; i < pci->hli.hl_gi.btngr_ns; i++) {
for(j = 0; j < (36 / pci->hli.hl_gi.btngr_ns); j++) {
int n = (36 / pci->hli.hl_gi.btngr_ns) * i + j;
assert(pci->hli.btnit[n].zero1 == 0);
assert(pci->hli.btnit[n].zero2 == 0);
assert(pci->hli.btnit[n].zero3 == 0);
assert(pci->hli.btnit[n].zero4 == 0);
assert(pci->hli.btnit[n].zero5 == 0);
assert(pci->hli.btnit[n].zero6 == 0);
if (j < pci->hli.hl_gi.btn_ns) {
assert(pci->hli.btnit[n].x_start <= pci->hli.btnit[n].x_end);
assert(pci->hli.btnit[n].y_start <= pci->hli.btnit[n].y_end);
assert(pci->hli.btnit[n].up <= pci->hli.hl_gi.btn_ns);
assert(pci->hli.btnit[n].down <= pci->hli.hl_gi.btn_ns);
assert(pci->hli.btnit[n].left <= pci->hli.hl_gi.btn_ns);
assert(pci->hli.btnit[n].right <= pci->hli.hl_gi.btn_ns);
//vmcmd_verify(pci->hli.btnit[n].cmd);
} else {
int k;
assert(pci->hli.btnit[n].btn_coln == 0);
assert(pci->hli.btnit[n].auto_action_mode == 0);
assert(pci->hli.btnit[n].x_start == 0);
assert(pci->hli.btnit[n].y_start == 0);
assert(pci->hli.btnit[n].x_end == 0);
assert(pci->hli.btnit[n].y_end == 0);
assert(pci->hli.btnit[n].up == 0);
assert(pci->hli.btnit[n].down == 0);
assert(pci->hli.btnit[n].left == 0);
assert(pci->hli.btnit[n].right == 0);
for (k = 0; k < 8; k++)
assert(pci->hli.btnit[n].cmd.bytes[k] == 0); //CHECK_ZERO?
}
}
}
#endif
#endif
}
void nav_read_dsi(dsi_t *dsi, unsigned char *buffer) {
int i;
assert(sizeof(dsi_t) == DSI_BYTES - 1); // -1 for substream id
memcpy(dsi, buffer, sizeof(dsi_t));
/* Endian conversions */
/* dsi dsi gi */
B2N_32(dsi->dsi_gi.nv_pck_scr);
B2N_32(dsi->dsi_gi.nv_pck_lbn);
B2N_32(dsi->dsi_gi.vobu_ea);
B2N_32(dsi->dsi_gi.vobu_1stref_ea);
B2N_32(dsi->dsi_gi.vobu_2ndref_ea);
B2N_32(dsi->dsi_gi.vobu_3rdref_ea);
B2N_16(dsi->dsi_gi.vobu_vob_idn);
/* dsi sml pbi */
B2N_16(dsi->sml_pbi.category);
B2N_32(dsi->sml_pbi.ilvu_ea);
B2N_32(dsi->sml_pbi.ilvu_sa);
B2N_16(dsi->sml_pbi.size);
B2N_32(dsi->sml_pbi.vob_v_s_s_ptm);
B2N_32(dsi->sml_pbi.vob_v_e_e_ptm);
/* dsi sml agli */
for(i = 0; i < 9; i++) {
B2N_32(dsi->sml_agli.data[ i ].address);
B2N_16(dsi->sml_agli.data[ i ].size);
}
/* dsi vobu sri */
B2N_32(dsi->vobu_sri.next_video);
for(i = 0; i < 19; i++)
B2N_32(dsi->vobu_sri.fwda[i]);
B2N_32(dsi->vobu_sri.next_vobu);
B2N_32(dsi->vobu_sri.prev_vobu);
for(i = 0; i < 19; i++)
B2N_32(dsi->vobu_sri.bwda[i]);
B2N_32(dsi->vobu_sri.prev_video);
/* dsi synci */
for(i = 0; i < 8; i++)
B2N_16(dsi->synci.a_synca[i]);
for(i = 0; i < 32; i++)
B2N_32(dsi->synci.sp_synca[i]);
#ifdef STRICT
/* Asserts */
/* dsi dsi gi */
assert(dsi->dsi_gi.zero1 == 0);
#endif
}
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