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-rw-r--r--oncology/dpfhack_display/dpflib/dpflib.c707
1 files changed, 0 insertions, 707 deletions
diff --git a/oncology/dpfhack_display/dpflib/dpflib.c b/oncology/dpfhack_display/dpflib/dpflib.c
deleted file mode 100644
index e248eb09..00000000
--- a/oncology/dpfhack_display/dpflib/dpflib.c
+++ /dev/null
@@ -1,707 +0,0 @@
-/** DPF access library for AX206 based HW
- *
- * 12/2010 <hackfin@section5.ch>
- *
- * This is an ugly hack, because we use existing SCSI vendor specific
- * extensions to pass on our requests to the DPF.
- *
- * One day we might use a proper protocol like netpp.
- *
- */
-
-// FIXME: Put all those SCSI commands in one (wrapped) place.
-
-#include "dpf.h"
-#include "sglib.h"
-
-#include "flash.h"
-#include <fcntl.h>
-#include "usbuser.h" // our user defined flash commands
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <scsi/scsi.h>
-#include <scsi/sg.h>
-#include <sys/ioctl.h>
-
-#ifdef DEBUG
-#define DEB(x) x
-#else
-#define DEB(x)
-#endif
-
-/** Vendor command for our hacks */
-static
-unsigned char g_excmd[16] = {
- 0xcd, 0, 0, 0,
- 0, 6, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0
-};
-
-int do_scsi(int fd, unsigned char *cmd, int cmdlen, char out,
- unsigned char *data, unsigned long block_len)
-{
- int error;
- unsigned char sensebuf[32];
- sg_io_hdr_t io_hdr;
- memset(&io_hdr, 0, sizeof(sg_io_hdr_t));
-
- io_hdr.interface_id = 'S';
- io_hdr.sbp = sensebuf;
- io_hdr.mx_sb_len = sizeof(sensebuf);
- if (data == 0) {
- io_hdr.dxfer_direction = SG_DXFER_NONE;
- } else {
- if (out) {
- io_hdr.dxfer_direction = SG_DXFER_TO_DEV;
- } else {
- io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
- }
- }
- io_hdr.dxferp = data;
- io_hdr.dxfer_len = block_len;
- io_hdr.cmdp = cmd;
- io_hdr.cmd_len = cmdlen;
- io_hdr.timeout = 5000; // in ms
- error = ioctl(fd, SG_IO, &io_hdr);
- if (error < 0) perror("calling SCSI ioctl()");
- return error;
-}
-
-int wrap_scsi(DPFContext *h, unsigned char *cmd, int cmdlen, char out,
- unsigned char *data, unsigned long block_len)
-{
- int error;
- if (h->mode == MODE_USB) {
- error = emulate_scsi(h->dev.udev, cmd, cmdlen, out, data, block_len);
- } else {
- error = do_scsi(h->dev.fd, cmd, cmdlen, out, data, block_len);
- }
- return error;
-}
-
-/* device wrapper */
-
-const char idstring[] = "buildwin Photo Frame 1.01";
-
-#define INQ_REPLY_LEN 96
-
-int sgdev_open(const char *portname, int *fd)
-{
- int error;
-
- static
- unsigned char inquiry[] = {
- INQUIRY, 0, 0, 0,
- INQ_REPLY_LEN, 0
- };
-
- static unsigned char inqbuf[INQ_REPLY_LEN + 2];
-
- *fd = open(portname, O_RDONLY | O_NONBLOCK );
- error = do_scsi(*fd, inquiry, sizeof(inquiry), DIR_IN, inqbuf,
- INQ_REPLY_LEN);
-
- if (error < 0) {
- fprintf(stderr, "SCSI inquiry failed\n");
- close(*fd); error = DEVERR_OPEN;
- } else
- if (memcmp(idstring, &inqbuf[8], sizeof(idstring) - 1) != 0) {
- close(*fd); error = DEVERR_OPEN;
- fprintf(stderr, "Not a photo frame. Refuse to open device.\n");
- }
- return error;
-}
-
-static
-int probe(DPFHANDLE h)
-{
- int ret;
-
- // We abuse a command that just responds with a '0' status in the
- // original firmware.
- static unsigned char buf[5];
-
-
- static
- unsigned char cmd[16] = {
- 0xcd, 0, 0, 0,
- 0, 3, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0
- };
-
- cmd[5] = 3;
- ret = wrap_scsi(h, cmd, sizeof(cmd), DIR_IN, 0, 0);
-
- switch (ret) {
- case 0:
- // The original protocol.
- fprintf(stderr,
- "Warning: This firmware can not lock the flash\n");
- break;
- case 1:
- // The improved hack
- h->flags |= FLAG_CAN_LOCK;
- break;
- }
-
- cmd[5] = 2; // get LCD parameters
- ret = wrap_scsi(h, cmd, sizeof(cmd), DIR_IN, buf, 5);
- h->width = (buf[0]) | (buf[1] << 8);
- h->height = (buf[2]) | (buf[3] << 8);
- h->bpp = 2;
-
- return ret;
-}
-
-/*
-static
-int dpf_query(DPFHANDLE h)
-{
- int ret;
- unsigned char buf[64]; // Do not change size
-
- static
- unsigned char cmd[16] = {
- 0xcd, 0, 0, 0,
- 0, 3, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0
- };
-
- return wrap_scsi(h, cmd, sizeof(cmd), DIR_IN, buf, sizeof(buf));
-}
-*/
-
-
-
-int dpf_open(const char *dev, DPFHANDLE *h)
-{
- int error = 0;
- DPFContext *dpf;
- int i;
- usb_dev_handle *u;
-
- int fd;
-
- if (!dev) {
- fprintf(stderr, "Please specify a string like 'usb0' or a sg device\n");
- return DEVERR_OPEN;
- }
-
- if (strncmp(dev, "usb", 3) == 0) {
- i = dev[3] - '0';
- u = dpf_usb_open(i);
- if (!u) return DEVERR_OPEN;
- i = MODE_USB;
- } else {
- fprintf(stderr, "Opening generic SCSI device '%s'\n", dev);
- if (sgdev_open(dev, &fd) < 0) return DEVERR_OPEN;
- i = MODE_SG;
- }
-
- dpf = (DPFHANDLE) malloc(sizeof(DPFContext));
- if (!dpf) return DEVERR_MALLOC;
-
- dpf->flags = 0;
- dpf->mode = i;
-
- if (dpf->mode == MODE_USB) {
- dpf->dev.udev = u;
- error = probe(dpf);
- fprintf(stderr, "Got LCD dimensions: %dx%d\n", dpf->width, dpf->height);
- } else {
- dpf->dev.fd = fd;
- }
-
- *h = dpf;
- return error;
-}
-
-void dpf_close(DPFContext *h)
-{
- switch (h->mode) {
- case MODE_SG:
- close(h->dev.fd);
- break;
- case MODE_USB:
- usb_release_interface(h->dev.udev, 0);
- usb_close(h->dev.udev);
- break;
- }
- free(h);
-}
-
-const char *dev_errstr(int err)
-{
- switch (err) {
- case DEVERR_FILE: return "File I/O error";
- case DEVERR_OPEN: return "File open error";
- case DEVERR_HEX: return "Hex file error";
- case DEVERR_CHK: return "Checksum error";
- case DEVERR_IO: return "Common I/O error";
- default: return "Unknown error";
- }
-}
-
-/* Flash stuff */
-
-int flash_cmd(DPFContext *h, int command, int cmdlen, ADDR addr)
-{
- static
- unsigned char cmd[16] = {
- 0xcb, 0, 0, 0, 0, 0,
- 1, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0
- };
-
- cmd[10] = command;
- cmd[6] = cmdlen;
-
- // Sector number or addr:
- cmd[13] = addr;
- cmd[12] = addr >> 8;
- cmd[11] = addr >> 16;
-
- return wrap_scsi(h, cmd, sizeof(cmd), DIR_IN, 0, 0);
-}
-
-
-int flash_read(DPFContext *h, unsigned char *buf, ADDR offset, int len)
-{
- static
- unsigned char cmd[16] = {
- 0xcd, 0, 0, 0, 0, 0,
- 0x04, /* num of bytes: */ 0, 0, 0,
- SPM_READ, /* SPI offset: */ 0, 0, 0,
- 0, 0
- };
-
- cmd[9] = len >> 0;
- cmd[8] = len >> 8;
- cmd[7] = len >> 16;
-
- cmd[13] = offset >> 0;
- cmd[12] = offset >> 8;
- cmd[11] = offset >> 16;
-
- return wrap_scsi(h, cmd, sizeof(cmd), DIR_IN, buf, len);
-}
-
-static
-int flash_writechunk(DPFContext *h, const unsigned char *buf, ADDR offset, int len)
-{
- static
- unsigned char cmd[16] = {
- 0xcb, 0, 0, 0, 0, 0,
- 4, /* num of bytes: */ 0, 0, 0,
- SPM_PP, /* SPI offset: */ 0, 0, 0,
- 0, 0
- };
-
- cmd[9] = len >> 0;
- cmd[8] = len >> 8;
- cmd[7] = len >> 16;
-
- cmd[13] = offset >> 0;
- cmd[12] = offset >> 8;
- cmd[11] = offset >> 16;
-
- return wrap_scsi(h, cmd, sizeof(cmd), DIR_OUT,
- (unsigned char*) buf, len);
-}
-
-int flash_write(DPFContext *h, const unsigned char *buf, ADDR offset, int len)
-{
- int i;
- int error = 0;
-
- for (i = 0; i < len; i += 0x1000) {
- error = flash_cmd(h, SPM_WREN, 1, 0);
- DEB(printf("Write pages at %06x\n", offset));
- error = flash_writechunk(h, buf, offset, 0x1000);
- if (error < 0) break;
- buf += 0x1000; offset += 0x1000;
- }
- return error;
-}
-
-
-int load_ihx(const char *fname, unsigned char *data,
- unsigned int *buflen, unsigned int reloc)
-{
- unsigned char csum_is, csum_need;
- int ret;
- FILE *f;
-
- static char line[512];
- static unsigned char buf[0x100];
- int count;
- unsigned int addr, len, type;
- unsigned short b;
- unsigned int total = 0;
-
- DEB(printf("Opening %s...\n", fname));
- f = fopen(fname, "r");
- if (f == NULL) {
- return DEVERR_OPEN;
- }
-
- while(1) {
- fgets(line, sizeof(line), f);
-
- if (feof(f) || ferror(f)) break;
-
- if ((line[0] != ':') || (strlen(line) < 9)) {
- fprintf(stderr, "invalid line in ihx\n");
- break;
- }
-
- ret = sscanf(&line[1], "%02x", &len);
- if (ret != 1) { ret = DEVERR_HEX; break; }
-
- ret = sscanf(&line[3], "%04x", &addr);
- if (ret != 1) { ret = DEVERR_HEX; break; }
-
- ret = sscanf(&line[7], "%02x", &type);
- if (ret != 1) { ret = DEVERR_HEX; break; }
-
-#ifdef DEBUG
- printf("len %u addr %04x type %u\n", len, addr, type);
-#endif
-
- if (type == 1) break;
-
- if (type != 0) {
- fprintf(stderr, "ihx: unknown type %u\n", type);
- continue;
- }
-
- csum_need = len + (addr & 0xff) + (addr >> 8) + type;
-
- total += len;
- if (total > *buflen) {
- fprintf(stderr, "Buffer length exceeded. IHX file too big.\n");
- ret = DEVERR_HEX;
- break;
- }
-
- if (len > sizeof(buf)) {
- fprintf(stderr, "Buffer length exceeded. Too long lines.\n");
- ret = DEVERR_HEX;
- break;
- }
-
- for(count = 0; count < len; count++) {
- ret = sscanf(&line[9 + count * 2], "%02hx", &b);
- if (ret != 1) {
- fprintf(stderr, "hex file: could not parse data!\n");
- break;
- }
-
- buf[count] = b;
- csum_need += buf[count];
- }
-
- if (ret != 1) { ret = DEVERR_HEX; break; }
-
- ret = sscanf(&line[9 + len * 2], "%02hx", &b);
- if (ret != 1) { ret = DEVERR_HEX; break; }
-
- csum_is = b;
- if (((csum_need+csum_is) & 0xff) != 0x00) {
- fprintf(stderr, "ihx: checksum failure! is: %02x should be:%02x\n",
- csum_is, csum_need);
- ret = DEVERR_CHK;
- break;
- }
-
- if (addr < reloc) {
- fprintf(stderr, "Bad relocation value\n");
- ret = DEVERR_HEX;
- break;
- }
- // Copy to data buffer at relocated address
- if (data) {
- DEB(printf("Patching at offset %08x, chunk size %d\n",
- addr - reloc, len));
- memcpy(&data[addr - reloc], buf, len);
- } else {
- DEB(printf("Writing to %04x (CODE: %04x), chunk size %d\n",
- addr - reloc, addr, len));
- dpf_copy(addr - reloc, buf, len);
- }
- }
- *buflen = total;
- fclose(f);
- return ret;
-}
-
-
-int flash_probe(DPFContext *h, unsigned char *id)
-{
- int error;
- static
- unsigned char buf[64];
- static
- unsigned char cmd[16] = {
- 0xcd, 0, 0, 0, 0, 0,
- 1, sizeof(buf) >> 16, sizeof(buf) >> 8, sizeof(buf) >> 0,
- // flash command sequence:
- SPM_RDID, 0, 0, 0,
- 0, 0
- };
-
- error = wrap_scsi(h, cmd, sizeof(cmd), DIR_IN, buf, sizeof(buf));
- id[0] = buf[0]; id[1] = buf[1]; id[2] = buf[2];
- return error;
-}
-
-int flash_erase(DPFContext *h, ADDR addr)
-{
- int error;
- error = flash_cmd(h, SPM_RES, 1, 0);
- error = flash_cmd(h, SPM_WREN, 1, 0);
- error = flash_cmd(h, SPM_WRSR, 2, 0); // clr status
-
- // now erase flash sector:
- error = flash_cmd(h, SPM_WREN, 1, 0);
- error = flash_cmd(h, SPM_FLASH_SE, 4, addr);
- return error;
-}
-
-void dpf_flash_lock(DPFContext *h, char enable)
-{
- unsigned char *cmd = g_excmd;
-
- if (!(h->flags & FLAG_CAN_LOCK)) return;
-
- printf("Lock flash %d\n", enable);
- cmd[6] = USBCMD_FLASHLOCK; // flash lock
- cmd[7] = enable;
-
- wrap_scsi(h, cmd, sizeof(g_excmd), DIR_IN, 0, 0);
-}
-
-
-int patch_sector(DPFContext *h,
- ADDR reloc, unsigned long addr, const char *hexfile)
-{
- int error;
- unsigned short offset;
- static
- unsigned char readbuf[0x10000];
- unsigned int len = sizeof(readbuf);
-
- offset = addr & 0xffff;
- addr -= offset;
-
- error = flash_read(h, readbuf, addr, 0x10000);
- if (error < 0) {
- perror("Reading flash");
- return error;
- }
-
- error = load_ihx(hexfile, &readbuf[offset], &len, reloc);
- if (error < 0) {
- fprintf(stderr, "Failed to load HEX file\n");
- return error;
- }
- // Lock DPF handler so nothing can interfere with the flashing (in case
- // we flash ourselves)
- dpf_flash_lock(h, 1);
- error = flash_cmd(h, SPM_WREN, 1, 0);
- error = flash_cmd(h, SPM_WRSR, 2, 0); // clr status
-
- error = flash_erase(h, addr);
- if (error < 0) return error;
-
- error = flash_write(h, readbuf, addr, 0x10000); // clr status
- dpf_flash_lock(h, 0);
-
- return error;
-}
-
-////////////////////////////////////////////////////////////////////////////
-// High level functions, generic
-// These require a hacked command handler with extended command set.
-
-
-static DPFHANDLE g_dpf;
-
-int write_mem(DPFContext *h, const char *hexfile)
-{
- unsigned int len = 0xc000;
- int error;
-
- g_dpf = h;
- error = load_ihx(hexfile, 0, &len, 0x800);
- return error;
-}
-
-int read_blk(DPFContext *h, unsigned char *buf, ADDR offset, int len)
-{
- unsigned char *cmd = g_excmd;
-
- cmd[6] = USBCMD_MEMREAD; // memory_read
- cmd[7] = offset;
- cmd[8] = offset >> 8;
- cmd[9] = len;
- cmd[10] = len >> 8;
-
- return wrap_scsi(h, cmd, sizeof(g_excmd), DIR_IN, buf, len);
-}
-
-#define CHUNK_SIZE 1024
-
-int read_mem(DPFContext *h, unsigned char *buf, ADDR offset, int len)
-{
- int error = 0;
- while (len > CHUNK_SIZE && error >= 0) {
- error = read_blk(h, buf, offset, CHUNK_SIZE);
- offset += CHUNK_SIZE; len -= CHUNK_SIZE; buf += CHUNK_SIZE;
- }
- error = read_blk(h, buf, offset, len);
-
- return error;
-}
-
-
-int code_go(DPFContext *h, ADDR start)
-{
- unsigned char *cmd = g_excmd;
- printf("Executing applet..\n");
- cmd[6] = 0x02; // execute
- cmd[7] = start;
- cmd[8] = start >> 8;
-
- return wrap_scsi(h, cmd, sizeof(g_excmd), DIR_IN, 0, 0);
-}
-
-
-
-////////////////////////////////////////////////////////////////////////////
-// High level functions, DPF specific
-
-/* Bootstrap mode: Expects contiguous memory block to download, then jumps
- * into start address
- */
-int dpf_bootstrap(DPFContext *h,
- ADDR dest, unsigned char *src, unsigned short n, ADDR start)
-{
- unsigned char *cmd = g_excmd;
- cmd[6] = USBCMD_APPLOAD; // Enter bootstrap mode
- cmd[7] = dest;
- cmd[8] = dest >> 8;
- cmd[9] = n;
- cmd[10] = n >> 8;
- cmd[11] = start;
- cmd[12] = start >> 8;
-
- return wrap_scsi(h, cmd, sizeof(g_excmd), DIR_OUT, src, n);
-}
-
-int dpf_copy(ADDR dst, unsigned char *src, unsigned short n)
-{
- unsigned char *cmd = g_excmd;
-
- cmd[6] = 0x01; // memory_write
- cmd[7] = dst;
- cmd[8] = dst >> 8;
- cmd[9] = n;
- cmd[10] = n >> 8;
-
- return wrap_scsi(g_dpf, cmd, sizeof(g_excmd), DIR_OUT, src, n);
-}
-
-/* Currently unused.
-int clr_screen(DPFContext *h, const unsigned char *col)
-{
- unsigned char *cmd = g_excmd;
-
- cmd[6] = USBCMD_PROBE;
- cmd[7] = col[0];
- cmd[8] = col[1];
-
- return wrap_scsi(h, cmd, sizeof(g_excmd), DIR_IN, 0, 0);
-}
-*/
-
-/* This function is deprecated and may not be implemented on newer hacks
- */
-int write_screen(DPFContext *h, const unsigned char *buf, unsigned int len)
-{
- unsigned char *cmd = g_excmd;
- unsigned int l;
- unsigned char factor;
-
- if (len > 0xffff) {
- factor = 2; l = len >> 1;
- } else {
- factor = 1; l = len;
- }
-
- cmd[6] = USBCMD_WRITEFB;
- cmd[7] = factor;
- cmd[8] = 0;
- cmd[9] = l;
- cmd[10] = l >> 8;
-
- return wrap_scsi(h, cmd, sizeof(g_excmd), DIR_OUT,
- (unsigned char*) buf, len);
-}
-
-int dpf_screen_blit(DPFContext *h,
- const unsigned char *buf, short rect[4])
-{
- unsigned long len = (rect[2] - rect[0]) * (rect[3] - rect[1]);
- len <<= 1;
- unsigned char *cmd = g_excmd;
-
- cmd[6] = USBCMD_BLIT;
- cmd[7] = rect[0];
- cmd[8] = rect[0] >> 8;
- cmd[9] = rect[1];
- cmd[10] = rect[1] >> 8;
- cmd[11] = rect[2] - 1;
- cmd[12] = (rect[2] - 1) >> 8;
- cmd[13] = rect[3] - 1;
- cmd[14] = (rect[3] - 1) >> 8;
- cmd[15] = 0;
-
- return wrap_scsi(h, cmd, sizeof(g_excmd), DIR_OUT,
- (unsigned char*) buf, len);
-}
-
-void dpf_writefb(DPFContext *h, unsigned char *buffer)
-{
- int len;
-
- len = h->width * h->height * h->bpp;
- write_screen(h, buffer, len);
-}
-
-int dpf_setproperty(DPFContext *h, int token, const DPFValue *value)
-{
- unsigned char *cmd = g_excmd;
-
- cmd[6] = USBCMD_SETPROPERTY;
- cmd[7] = token;
- cmd[8] = token >> 8;
-
- switch (value->type) {
- case TYPE_INTEGER:
- cmd[9] = value->value.integer;
- cmd[10] = value->value.integer >> 8;
- break;
- default:
- break;
- }
-
- return wrap_scsi(h, cmd, sizeof(g_excmd), DIR_OUT, NULL, 0);
-}
-
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