- rename log functions to stop conflicts under win32 (wingdi)

[openocd.git] / src / jtag / gw16012.c

diff --git a/src/jtag/gw16012.c b/src/jtag/gw16012.c
index 218ac4c61e3b049ce7452d4cf37357bd92db4057..8caaba63f7a6fd3b6b7b0a86375766ee60c2a526 100644 (file)
--- a/src/jtag/gw16012.c
+++ b/src/jtag/gw16012.c
@@ -30,10 +30,8 @@
 #endif
 
 /* system includes */
-
-/* system includes */
-// -ino: 060521-1036
-#ifdef __FreeBSD__
+/*  -ino: 060521-1036 */
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
 
 #include <sys/types.h>
 #include <machine/sysarch.h>
@@ -43,13 +41,11 @@
 
 #else
 
-#ifndef _WIN32
-#include <sys/io.h>
-#else
+#ifdef _WIN32
 #include "errno.h"
 #endif /* _WIN32 */
 
-#endif /* __FreeBSD__ */
+#endif /* __FreeBSD__, __FreeBSD_kernel__ */
 
 #include <string.h>
 #include <stdlib.h>
@@ -58,7 +54,7 @@
 #include <time.h>
 
 #if PARPORT_USE_PPDEV == 1
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
 #include <dev/ppbus/ppi.h>
 #include <dev/ppbus/ppbconf.h>
 #define PPRSTATUS      PPIGSTATUS
@@ -69,20 +65,23 @@
 #endif
 #include <fcntl.h>
 #include <sys/ioctl.h>
+#else /* not PARPORT_USE_PPDEV */
+#ifndef _WIN32
+#include <sys/io.h>
+#endif
 #endif
 
 #if PARPORT_USE_GIVEIO == 1
 #if IS_CYGWIN == 1
 #include <windows.h>
 #include <errno.h>
-#undef ERROR
 #endif
 #endif
 
 #include "log.h"
 
 /* configuration */
-unsigned long gw16012_port;
+u16 gw16012_port;
 
 /* interface variables
  */
@@ -107,8 +106,6 @@ jtag_interface_t gw16012_interface =
        
        .execute_queue = gw16012_execute_queue,
 
-       .support_pathmove = 0,
-
        .speed = gw16012_speed, 
        .register_commands = gw16012_register_commands,
        .init = gw16012_init,
@@ -129,13 +126,13 @@ void gw16012_data(u8 value)
        gw16012_msb ^= 0x80; /* toggle MSB */
 
 #ifdef _DEBUG_GW16012_IO_
-       DEBUG("%2.2x", value);
+       LOG_DEBUG("%2.2x", value);
 #endif
        
        #if PARPORT_USE_PPDEV == 1
                ioctl(device_handle, PPWDATA, &value);
        #else
-               #ifdef __FreeBSD__
+               #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
                        outb(gw16012_port, value);
                #else
                        outb(value, gw16012_port);
@@ -150,13 +147,13 @@ void gw16012_control(u8 value)
                gw16012_control_value = value;
 
 #ifdef _DEBUG_GW16012_IO_
-               DEBUG("%2.2x", gw16012_control_value);
+               LOG_DEBUG("%2.2x", gw16012_control_value);
 #endif
 
                #if PARPORT_USE_PPDEV == 1
                        ioctl(device_handle, PPWCONTROL, &gw16012_control_value);
                #else
-                       #ifdef __FreeBSD__
+                       #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
                                outb(gw16012_port + 2, gw16012_control_value);
                        #else
                                outb(gw16012_control_value, gw16012_port + 2);
@@ -174,14 +171,14 @@ void gw16012_input(u8 *value)
        #endif
 
 #ifdef _DEBUG_GW16012_IO_
-       DEBUG("%2.2x", *value);
+       LOG_DEBUG("%2.2x", *value);
 #endif
 }
 
 /* (1) assert or (0) deassert reset lines */
 void gw16012_reset(int trst, int srst)
 {
-       DEBUG("trst: %i, srst: %i", trst, srst);
+       LOG_DEBUG("trst: %i, srst: %i", trst, srst);
 
        if (trst == 0)
                gw16012_control(0x0d);
@@ -206,7 +203,7 @@ void gw16012_end_state(state)
                end_state = state;
        else
        {
-               ERROR("BUG: %i is not a valid end state", state);
+               LOG_ERROR("BUG: %i is not a valid end state", state);
                exit(-1);
        }
 }
@@ -246,7 +243,7 @@ void gw16012_path_move(pathmove_command_t *cmd)
                }
                else
                {
-                       ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
+                       LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
                        exit(-1);
                }
                
@@ -288,13 +285,17 @@ void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
        enum tap_state saved_end_state = end_state;
        u8 scan_out, scan_in;
 
-       if (ir_scan)
-               gw16012_end_state(TAP_SI);
-       else
-               gw16012_end_state(TAP_SD);
+       /* only if we're not already in the correct Shift state */
+       if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))
+       {
+               if (ir_scan)
+                       gw16012_end_state(TAP_SI);
+               else
+                       gw16012_end_state(TAP_SD);
 
-       gw16012_state_move();
-       gw16012_end_state(saved_end_state);
+               gw16012_state_move();
+               gw16012_end_state(saved_end_state);
+       }
 
        while (type == SCAN_OUT && ((bits_left - 1) > 7))
        {
@@ -309,6 +310,9 @@ void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
        while (bits_left-- > 0)
        {
                u8 tms = 0;
+               
+               scan_out = buf_get_u32(buffer, bit_count, 1);
+               
                if (bits_left == 0) /* last bit */
                {
                        if ((ir_scan && (end_state == TAP_SI))
@@ -321,14 +325,15 @@ void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
                                tms = 2;
                        }
                }
-               
-               scan_out = buf_get_u32(buffer, bit_count, 1);
+
                gw16012_data(scan_out | tms);
+
                if (type != SCAN_OUT)
                {
                        gw16012_input(&scan_in);
                        buf_set_u32(buffer, bit_count, 1, ((scan_in & 0x08) >> 3));
-               }
+               }               
+
                bit_count++;
        }
 
@@ -352,6 +357,12 @@ int gw16012_execute_queue(void)
        int scan_size;
        enum scan_type type;
        u8 *buffer;
+       int retval;
+       
+       /* return ERROR_OK, unless a jtag_read_buffer returns a failed check
+        * that wasn't handled by a caller-provided error handler
+        */ 
+       retval = ERROR_OK;
                
        while (cmd)
        {
@@ -359,14 +370,14 @@ int gw16012_execute_queue(void)
                {
                        case JTAG_END_STATE:
 #ifdef _DEBUG_JTAG_IO_
-                               DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
+                               LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
 #endif
                                if (cmd->cmd.end_state->end_state != -1)
                                        gw16012_end_state(cmd->cmd.end_state->end_state);
                                break;
                        case JTAG_RESET:
 #ifdef _DEBUG_JTAG_IO_
-                               DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+                               LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
 #endif
                                if (cmd->cmd.reset->trst == 1)
                                {
@@ -376,7 +387,7 @@ int gw16012_execute_queue(void)
                                break;
                        case JTAG_RUNTEST:
 #ifdef _DEBUG_JTAG_IO_
-                               DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
+                               LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
 #endif
                                if (cmd->cmd.runtest->end_state != -1)
                                        gw16012_end_state(cmd->cmd.runtest->end_state);
@@ -384,7 +395,7 @@ int gw16012_execute_queue(void)
                                break;
                        case JTAG_STATEMOVE:
 #ifdef _DEBUG_JTAG_IO_
-                               DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
+                               LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
 #endif
                                if (cmd->cmd.statemove->end_state != -1)
                                        gw16012_end_state(cmd->cmd.statemove->end_state);
@@ -392,7 +403,7 @@ int gw16012_execute_queue(void)
                                break;
                        case JTAG_PATHMOVE:
 #ifdef _DEBUG_JTAG_IO_
-                               DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
+                               LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
 #endif
                                gw16012_path_move(cmd->cmd.pathmove);
                                break;
@@ -402,29 +413,29 @@ int gw16012_execute_queue(void)
                                scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
                                type = jtag_scan_type(cmd->cmd.scan);
 #ifdef _DEBUG_JTAG_IO_
-                               DEBUG("%s scan (%i) %i bit end in %i", (cmd->cmd.scan->ir_scan) ? "ir" : "dr", 
+                               LOG_DEBUG("%s scan (%i) %i bit end in %i", (cmd->cmd.scan->ir_scan) ? "ir" : "dr", 
                                        type, scan_size, cmd->cmd.scan->end_state);
 #endif
                                gw16012_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
                                if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
-                                       return ERROR_JTAG_QUEUE_FAILED;
+                                       retval = ERROR_JTAG_QUEUE_FAILED;
                                if (buffer)
                                        free(buffer);
                                break;
                        case JTAG_SLEEP:
 #ifdef _DEBUG_JTAG_IO_
-                               DEBUG("sleep", cmd->cmd.sleep->us);
+                               LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
 #endif
                                jtag_sleep(cmd->cmd.sleep->us);
                                break;
                        default:
-                               ERROR("BUG: unknown JTAG command type encountered");
+                               LOG_ERROR("BUG: unknown JTAG command type encountered");
                                exit(-1);
                }
                cmd = cmd->next;
        }
        
-       return ERROR_OK;
+       return retval;
 }
 
 #if PARPORT_USE_GIVEIO == 1
@@ -458,41 +469,40 @@ int gw16012_init(void)
 #if PARPORT_USE_PPDEV == 1
        char buffer[256];
        int i = 0;
-       u8 control_port;
 #endif
        u8 status_port;
        
 #if PARPORT_USE_PPDEV == 1
        if (device_handle>0)
        {
-               ERROR("device is already opened");
+               LOG_ERROR("device is already opened");
                return ERROR_JTAG_INIT_FAILED;
        }
 
-#ifdef __FreeBSD__
-       DEBUG("opening /dev/ppi%d...", gw16012_port);
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+       LOG_DEBUG("opening /dev/ppi%d...", gw16012_port);
 
        snprintf(buffer, 256, "/dev/ppi%d", gw16012_port);
        device_handle = open(buffer, O_WRONLY);
 #else
-       DEBUG("opening /dev/parport%d...", gw16012_port);
+       LOG_DEBUG("opening /dev/parport%d...", gw16012_port);
 
        snprintf(buffer, 256, "/dev/parport%d", gw16012_port);
        device_handle = open(buffer, O_WRONLY);
 #endif 
        if (device_handle<0)
        {
-               ERROR("cannot open device. check it exists and that user read and write rights are set");
+               LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
                return ERROR_JTAG_INIT_FAILED;
        }
 
-       DEBUG("...open");
+       LOG_DEBUG("...open");
 
-#ifndef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
        i=ioctl(device_handle, PPCLAIM);
        if (i<0)
        {
-               ERROR("cannot claim device");
+               LOG_ERROR("cannot claim device");
                return ERROR_JTAG_INIT_FAILED;
        }
 
@@ -500,7 +510,7 @@ int gw16012_init(void)
        i= ioctl(device_handle, PPSETMODE, & i);
        if (i<0)
        {
-               ERROR(" cannot set compatible mode to device");
+               LOG_ERROR(" cannot set compatible mode to device");
                return ERROR_JTAG_INIT_FAILED;
        }
 
@@ -508,7 +518,7 @@ int gw16012_init(void)
        i = ioctl(device_handle, PPNEGOT, & i);
        if (i<0)
        {
-               ERROR("cannot set compatible 1284 mode to device");
+               LOG_ERROR("cannot set compatible 1284 mode to device");
                return ERROR_JTAG_INIT_FAILED;
        }
 #endif
@@ -516,20 +526,27 @@ int gw16012_init(void)
        if (gw16012_port == 0)
        {
                gw16012_port = 0x378;
-               WARNING("No gw16012 port specified, using default '0x378' (LPT1)");
+               LOG_WARNING("No gw16012 port specified, using default '0x378' (LPT1)");
        }
        
-       DEBUG("requesting privileges for parallel port 0x%x...", gw16012_port);
+       LOG_DEBUG("requesting privileges for parallel port 0x%lx...", gw16012_port);
 #if PARPORT_USE_GIVEIO == 1
        if (gw16012_get_giveio_access() != 0)
 #else /* PARPORT_USE_GIVEIO */
        if (ioperm(gw16012_port, 3, 1) != 0)
 #endif /* PARPORT_USE_GIVEIO */
        {
-               ERROR("missing privileges for direct i/o");
+               LOG_ERROR("missing privileges for direct i/o");
                return ERROR_JTAG_INIT_FAILED;
        }
-       DEBUG("...privileges granted");
+       LOG_DEBUG("...privileges granted");
+
+       /* make sure parallel port is in right mode (clear tristate and interrupt */
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+       outb(gw16012_port + 2, 0x0);
+#else
+       outb(0x0, gw16012_port + 2);
+#endif
 #endif /* PARPORT_USE_PPDEV */
        
        gw16012_input(&status_port);