diff options
Diffstat (limited to 'bltsville/gcbv/mirror/gcdbglog.c')
| -rw-r--r-- | bltsville/gcbv/mirror/gcdbglog.c | 1684 |
1 files changed, 1684 insertions, 0 deletions
diff --git a/bltsville/gcbv/mirror/gcdbglog.c b/bltsville/gcbv/mirror/gcdbglog.c new file mode 100644 index 0000000..9743897 --- /dev/null +++ b/bltsville/gcbv/mirror/gcdbglog.c @@ -0,0 +1,1684 @@ +/* + * Copyright(c) 2012, + * Texas Instruments, Inc. and Vivante Corporation. + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Vivante Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdarg.h> +#include <stdio.h> +#include <unistd.h> +#include <gcx.h> +#include "gcmain.h" + +#if ANDROID +#include <cutils/log.h> +#endif + +#if GCDEBUG_ENABLE + +/******************************************************************************* + * Debug switches. + */ + +/* Dumping enable default state. */ +#define GC_DUMP_ENABLE 0 + +/* Ignore all zones as if they were all enabled in all modules. */ +#define GC_IGNORE_ZONES 0 + +/* When enabled, all output is collected into a buffer with a predefined size. + * GC_DUMP_BUFFER_SIZE determines the size of the buffer and GC_ENABLE_OVERFLOW + * controls what happens when the buffer gets full. */ +#define GC_BUFFERED_OUTPUT 0 + +/* Debug output buffer size. */ +#define GC_DUMP_BUFFER_SIZE (200 * 1024) + +/* If disabled, the contents of the buffer will be dumped to the console when + * the buffer gets full. + * If enabled, wrap around mode is enabled where when the buffer gets full, + * the oldest entries are overwritten with the new entrie. To dump the buffer + * to the console gc_dump_flush must be called explicitly. */ +#define GC_ENABLE_OVERFLOW 1 + +/* Specifies how many prints are accumulated in the buffer before the buffer is + * flushed. Set to zero to disable auto dumping mode. */ +#define GC_FLUSH_COUNT 0 + +/* Specifies the maximum number of threads that will be tracked in an attempt + * to visually separate messages from different threads. To disable thread + * tracking, set to 0 or 1. */ +#define GC_THREAD_COUNT 20 + +/* Specifies spacing for thread messages. */ +#define GC_THREAD_INDENT 0 + +/* When set to non-zero, specifies how many prints are accumulated in the + * buffer before the buffer is flushed. */ +#define GC_SHOW_DUMP_LINE 1 + +/* If enabled, each print statement will be preceeded with the current + * process ID. */ +#define GC_SHOW_PID 1 + +/* If enabled, internal logging validation code is turned on. */ +#define GC_DEBUG_SELF 0 + +/* Maximum length of a dump string. */ +#define GC_MAXSTR_LENGTH 256 + +/* Print buffers like C arrays. */ +#define GC_C_BUFFER 0 + + +/******************************************************************************* + * Miscellaneous macros. + */ + +#define GC_PTR2INT(p) \ +( \ + (unsigned int) (p) \ +) + +#define GC_ALIGN(n, align) \ +( \ + ((n) + ((align) - 1)) & ~((align) - 1) \ +) + +#define GC_PTRALIGNMENT(p, alignment) \ +( \ + GC_ALIGN(GC_PTR2INT(p), alignment) - GC_PTR2INT(p) \ +) + +#define GC_VARARG_ALIGNMENT sizeof(unsigned long long) + +#if defined(GCDBGFILTER) +#undef GCDBGFILTER +#endif + +#define GCDBGFILTER \ + (*filter) + +#if GC_IGNORE_ZONES +#define GC_VERIFY_ENABLE(filter, zone) \ + (g_initdone) +#else +#define GC_VERIFY_ENABLE(filter, zone) \ + (g_initdone && ((filter == NULL) || ((filter->zone & zone) != 0))) +#endif + +#if GC_SHOW_DUMP_LINE +#define GC_DUMPLINE_FORMAT "[%12d] " +#endif + +#if GC_SHOW_PID +#define GC_PID_FORMAT "[pid=%04X] " +#endif + +#define GC_EOL_RESERVE 1 + + +/******************************************************************************* + * Dump item header definition. + */ + +enum itemtype { + GC_BUFITEM_NONE, + GC_BUFITEM_STRING, + GC_BUFITEM_BUFFER +}; + +/* Common item head/buffer terminator. */ +struct itemhead { + enum itemtype type; +}; + + +/******************************************************************************* + * Supported dump items. + */ + +/* GC_BUFITEM_STRING: buffered string. */ +struct itemstring { + enum itemtype itemtype; + int indent; + +#if GC_SHOW_PID + pid_t pid; +#endif + +#if GC_SHOW_DUMP_LINE + unsigned int dumpline; +#endif + + const char *message; + va_list messagedata; + unsigned int datasize; +}; + +/* GC_BUFITEM_BUFFER: buffered memory. */ +enum buffertype { + GC_BUFTYPE_GENERIC, + GC_BUFTYPE_COMMAND, + GC_BUFTYPE_SURFACE +}; + +#define GC_GENERIC_DATA_COUNT 8 +#define GC_SURFACE_DATA_COUNT 64 + +struct itembuffer { + enum itemtype itemtype; + enum buffertype buffertype; + int indent; + + unsigned int surfwidth; + unsigned int surfheight; + unsigned int surfbpp; + unsigned int x1, y1; + unsigned int x2, y2; + + unsigned int datasize; + unsigned int gpuaddr; +}; + + +/******************************************************************************* + * Debug output buffer. + */ + +struct threadinfo { + pid_t pid; + int msgindent; + int threadindent; +}; + +struct buffout { + int enable; + +#if GC_THREAD_COUNT > 1 + unsigned int threadcount; + struct threadinfo threadinfo[1 + GC_THREAD_COUNT]; +#else + struct threadinfo threadinfo[1]; +#endif + +#if GC_SHOW_DUMP_LINE + unsigned int dumpline; +#endif + +#if GC_BUFFERED_OUTPUT + int start; + int index; + int count; + unsigned char *buffer; +#endif +}; + +static struct buffout g_outputbuffer = { + .enable = GC_DUMP_ENABLE +}; + + +/******************************************************************************* + * Globals. + */ + +static unsigned int g_initdone; +static GCDEFINE_LOCK(g_lockmutex); +static struct list_head gc_filterlist = LIST_HEAD_INIT(gc_filterlist); + + +/******************************************************************************* + * Item size functions. + */ + +#if GC_BUFFERED_OUTPUT +static int get_item_size_terminator(struct itemhead *item) +{ + return sizeof(struct itemhead); +} + +static int get_item_size_string(struct itemhead *item) +{ + struct itemstring *itemstring = (struct itemstring *) item; + unsigned int vlen = *((unsigned char **) &itemstring->messagedata) + - ((unsigned char *) itemstring); + return vlen + itemstring->datasize; +} + +static int get_item_size_buffer(struct itemhead *item) +{ + struct itembuffer *itembuffer = (struct itembuffer *) item; + return sizeof(struct itembuffer) + itembuffer->datasize; +} + +#if GC_ENABLE_OVERFLOW +typedef int (*getitemsize) (struct itemhead *item); + +static getitemsize g_itemsize[] = { + get_item_size_terminator, + get_item_size_string, + get_item_size_buffer +}; +#endif +#endif + + +/******************************************************************************* + * Printing functions. + */ + +#if ANDROID +#define GC_PRINTK(s, fmt, ...) \ + LOGI(fmt, ##__VA_ARGS__); +#else +#define GC_PRINTK(s, fmt, ...) \ + printf(fmt, ##__VA_ARGS__); +#endif + +#if GC_DEBUG_SELF +# define GC_DEBUGMSG(fmt, ...) \ + GC_PRINTK(NULL, "[%s:%d] " fmt, __func__, __LINE__, \ + ##__VA_ARGS__) +#else +# define GC_DEBUGMSG(...) {} +#endif + +static struct threadinfo *get_threadinfo(struct buffout *buffout) +{ +#if GC_THREAD_COUNT > 1 + struct threadinfo *threadinfo; + unsigned int i, count; + pid_t pid; + + /* Get current pid. */ + pid = gettid(); + + /* Try to locate thread record. */ + count = buffout->threadcount + 1; + for (i = 1; i < count; i += 1) + if (buffout->threadinfo[i].pid == pid) + return &buffout->threadinfo[i]; + + /* Not found, still have room? */ + if (buffout->threadcount < GC_THREAD_COUNT) { + threadinfo = &buffout->threadinfo[count]; + threadinfo->pid = pid; + threadinfo->msgindent = 0; + threadinfo->threadindent = buffout->threadcount + * GC_THREAD_INDENT; + buffout->threadcount += 1; + return threadinfo; + } + + /* Too many threads, use the common entry. */ + GC_PRINTK(NULL, "%s(%d) [ERROR] reached the maximum thread number.\n", + __func__, __LINE__); + threadinfo = buffout->threadinfo; + threadinfo->pid = pid; + return threadinfo; +#else + struct threadinfo *threadinfo; + threadinfo = buffout->threadinfo; + +#if GC_SHOW_PID + threadinfo->pid = pid; +#else + threadinfo->pid = 0; +#endif + + return threadinfo; +#endif +} + +static int gc_get_indent(int indent, char *buffer, int buffersize) +{ + static const int MAX_INDENT = 80; + int len, _indent; + + _indent = indent % MAX_INDENT; + if (_indent > buffersize) + _indent = buffersize - 1; + + for (len = 0; len < _indent; len += 1) + buffer[len] = ' '; + + buffer[len] = '\0'; + return len; +} + +static void gc_print_string(struct seq_file *s, struct itemstring *str) +{ + int len = 0; + char buffer[GC_MAXSTR_LENGTH]; + +#if GC_SHOW_DUMP_LINE + len += snprintf(buffer + len, sizeof(buffer) - len - GC_EOL_RESERVE, + GC_DUMPLINE_FORMAT, str->dumpline); +#endif + +#if GC_SHOW_PID + len += snprintf(buffer + len, sizeof(buffer) - len - GC_EOL_RESERVE, + GC_PID_FORMAT, str->pid); +#endif + + /* Append the indent string. */ + len += gc_get_indent(str->indent, buffer + len, + sizeof(buffer) - len - GC_EOL_RESERVE); + + /* Format the string. */ + len += vsnprintf(buffer + len, sizeof(buffer) - len - GC_EOL_RESERVE, + str->message, str->messagedata); + + /* Add end-of-line if missing. */ + if (buffer[len - 1] != '\n') + buffer[len++] = '\n'; + buffer[len] = '\0'; + + /* Print the string. */ + GC_PRINTK(s, "%s", buffer); +} + +static void gc_print_generic(struct seq_file *s, struct itembuffer *item, + unsigned char *data) +{ + char buffer[GC_MAXSTR_LENGTH]; + unsigned int i, indent, len; + + /* Append the indent string. */ + indent = gc_get_indent(item->indent, buffer, sizeof(buffer)); + + /* Print the title. */ + GC_PRINTK(s, "%sBUFFER @ 0x%08X\n", + buffer, item->gpuaddr); + + /* Print the buffer. */ + for (i = 0, len = indent; i < item->datasize; i += 4) { + if ((i % GC_GENERIC_DATA_COUNT) == 0) { + if (i != 0) { + /* Print the string. */ + GC_PRINTK(s, "%s\n", buffer); + + /* Reset the line. */ + len = indent; + } + + len += snprintf(buffer + len, sizeof(buffer) - len, + "0x%08X: ", item->gpuaddr + i); + } + + /* Append the data value. */ + len += snprintf(buffer + len, sizeof(buffer) - len, + " 0x%08X", *(unsigned int *) (data + i)); + } + + /* Print the last partial string. */ + if ((i % GC_SURFACE_DATA_COUNT) != 0) + GC_PRINTK(s, "%s\n", buffer); +} + +static char *gc_module_name(unsigned int index) +{ + switch (index) { + case GCREG_COMMAND_STALL_STALL_SOURCE_FRONT_END: + return "FE"; + + case GCREG_COMMAND_STALL_STALL_SOURCE_PIXEL_ENGINE: + return "PE"; + + case GCREG_COMMAND_STALL_STALL_SOURCE_DRAWING_ENGINE: + return "DE"; + + default: + return "*INVALID*"; + } +} + +static void gc_print_command(struct seq_file *s, struct itembuffer *item, + unsigned char *data) +{ + char buffer[GC_MAXSTR_LENGTH]; + unsigned int *data32; + unsigned int i, j, datacount; + unsigned int command, count, addr; + unsigned int delay, src, dst; + unsigned int x1, y1, x2, y2; + + /* Append the indent string. */ + gc_get_indent(item->indent, buffer, sizeof(buffer)); + + /* Print the title. */ + GC_PRINTK(s, "%sCOMMAND BUFFER @ 0x%08X\n", buffer, item->gpuaddr); + GC_PRINTK(s, "%s size = %d\n", buffer, item->datasize); + + datacount = (item->datasize + 3) / 4; + data32 = (unsigned int *) data; + for (i = 0; i < datacount;) { +#if GC_C_BUFFER + GC_PRINTK(s, "%s\t0x%08X,\n", buffer, data32[i++]); +#else + command = (data32[i] >> 27) & 0x1F; + + switch (command) { + case GCREG_COMMAND_OPCODE_LOAD_STATE: + count = (data32[i] >> 16) & 0x3F; + addr = data32[i] & 0xFFFF; + GC_PRINTK(s, "%s 0x%08X: 0x%08X STATE(0x%04X, %d)\n", + buffer, item->gpuaddr + (i << 2), + data32[i], addr, count); + i += 1; + + count |= 1; + for (j = 0; j < count; i += 1, j += 1) + GC_PRINTK(s, "%s%14c0x%08X\n", + buffer, ' ', data32[i]); + break; + + case GCREG_COMMAND_OPCODE_END: + GC_PRINTK(s, "%s 0x%08X: 0x%08X END()\n", + buffer, item->gpuaddr + (i << 2), + data32[i]); + i += 1; + + GC_PRINTK(s, "%s%14c0x%08X\n", + buffer, ' ', data32[i]); + i += 1; + break; + + case GCREG_COMMAND_OPCODE_NOP: + GC_PRINTK(s, "%s 0x%08X: 0x%08X NOP()\n", + buffer, item->gpuaddr + (i << 2), + data32[i]); + i += 1; + + GC_PRINTK(s, "%s" "%14c0x%08X\n", + buffer, ' ', data32[i]); + i += 1; + break; + + case GCREG_COMMAND_OPCODE_STARTDE: + count = (data32[i] >> 8) & 0xFF; + GC_PRINTK(s, "%s 0x%08X: 0x%08X STARTDE(%d)\n", + buffer, item->gpuaddr + (i << 2), + data32[i], count); + i += 1; + + GC_PRINTK(s, "%s" "%14c0x%08X\n", + buffer, ' ', data32[i]); + i += 1; + + for (j = 0; j < count; j += 1) { + x1 = data32[i] & 0xFFFF; + y1 = (data32[i] >> 16) & 0xFFFF; + GC_PRINTK(s, "%s%14c0x%08X LT(%d,%d)\n", + buffer, ' ', data32[i], x1, y1); + i += 1; + + x2 = data32[i] & 0xFFFF; + y2 = (data32[i] >> 16) & 0xFFFF; + GC_PRINTK(s, "%s%14c0x%08X RB(%d,%d)\n", + buffer, ' ', data32[i], x2, y2); + i += 1; + } + break; + + case GCREG_COMMAND_OPCODE_WAIT: + delay = data32[i] & 0xFFFF; + GC_PRINTK(s, "%s 0x%08X: 0x%08X WAIT(%d)\n", + buffer, item->gpuaddr + (i << 2), + data32[i], delay); + i += 1; + + GC_PRINTK(s, "%s%14c0x%08X\n", buffer, ' ', data32[i]); + i += 1; + break; + + case GCREG_COMMAND_OPCODE_LINK: + count = data32[i] & 0xFFFF; + addr = data32[i + 1]; + GC_PRINTK(s, "%s 0x%08X: 0x%08X " + "LINK(0x%08X-0x%08X, %d)\n", + buffer, item->gpuaddr + (i << 2), + data32[i], addr, addr + count * 8, + count); + i += 1; + + GC_PRINTK(s, "%s%14c0x%08X\n", buffer, ' ', data32[i]); + i += 1; + break; + + case GCREG_COMMAND_OPCODE_STALL: + src = data32[i + 1] & 0x1F; + dst = (data32[i + 1] >> 8) & 0x1F; + + GC_PRINTK(s, "%s 0x%08X: 0x%08X STALL(%s-%s)\n", + buffer, item->gpuaddr + (i << 2), + data32[i], + gc_module_name(src), + gc_module_name(dst)); + i += 1; + + GC_PRINTK(s, "%s" "%14c0x%08X\n", + buffer, ' ', data32[i]); + i += 1; + break; + + default: + GC_PRINTK(s, "%s 0x%08X: 0x%08X UNKNOWN COMMAND\n", + buffer, item->gpuaddr + (i << 2), + data32[i]); + i += 2; + } +#endif + } +} + +static void gc_flush_line(struct seq_file *s, char *buffer, + unsigned int indent, unsigned int *len, + unsigned int count, unsigned char checksum) +{ + unsigned int _len; + char countstr[10]; + + /* Correct data count. */ + count %= GC_SURFACE_DATA_COUNT; + if (count == 0) + count = GC_SURFACE_DATA_COUNT; + + snprintf(countstr, sizeof(countstr), "%02X", count); + buffer[indent + 1] = countstr[0]; + buffer[indent + 2] = countstr[1]; + + /* Append the checksum. */ + _len = *len; + _len += snprintf(buffer + _len, sizeof(buffer) - _len, + "%02X", checksum); + + /* Print the string. */ + GC_PRINTK(s, "%s\n", buffer); + + /* Reset the length. */ + *len = indent; +} + +static void gc_print_surface(struct seq_file *s, struct itembuffer *itembuffer, + unsigned char *data) +{ + char buffer[GC_MAXSTR_LENGTH]; + unsigned int i, indent, len; + unsigned int prevupper32 = ~0U; + unsigned int currupper32; + unsigned int offset, address; + unsigned int width, height; + + /* Append the indent string. */ + indent = gc_get_indent(itembuffer->indent, buffer, sizeof(buffer)); + + /* Print the title. */ + GC_PRINTK(s, "%sIMAGE SURFACE @ 0x%08X\n", + buffer, itembuffer->gpuaddr); + + GC_PRINTK(s, "%s surface size = %dx%d\n", + buffer, itembuffer->surfwidth, itembuffer->surfheight); + + GC_PRINTK(s, "%s surface colordepth = %d\n", + buffer, itembuffer->surfbpp); + + GC_PRINTK(s, "%s dumping rectangle = (%d,%d)-(%d,%d)\n", + buffer, itembuffer->x1, itembuffer->y1, + itembuffer->x2, itembuffer->y2); + + /* Add TGA header. */ + width = itembuffer->x2 - itembuffer->x1; + height = itembuffer->y2 - itembuffer->y1; + GC_PRINTK(s, ":12000000000002000000000000000000" + "%02X%02X%02X%02X%02X2000\n", + (width & 0xFF), ((width >> 8) & 0xFF), + (height & 0xFF), ((height >> 8) & 0xFF), + itembuffer->surfbpp * 8); + + /* TGA skip header. */ + offset = 18; + + /* Print the buffer. */ + for (i = 0, len = indent; i < itembuffer->datasize; i += 1) { + /* Determine the current address. */ + address = offset + i; + + /* Determine the current higher 16 bits of the address. */ + currupper32 = address >> 16; + + /* Did it change? */ + if (currupper32 != prevupper32) { + /* Print the previous data if any. */ + if ((i % GC_SURFACE_DATA_COUNT) != 0) + gc_flush_line(s, buffer, indent, &len, i, 0); + + /* Set new upper address. */ + prevupper32 = currupper32; + GC_PRINTK(s, ":02000004%04X00\n", prevupper32); + + /* Add the line prefix. */ + len += snprintf(buffer + len, + sizeof(buffer) - len - 2, + ":xx%04X00", address & 0xFFFF); + } else if ((i % GC_SURFACE_DATA_COUNT) == 0) { + len += snprintf(buffer + len, + sizeof(buffer) - len - 2, + ":xx%04X00", address & 0xFFFF); + } + + /* Append the data value. */ + len += snprintf(buffer + len, + sizeof(buffer) - len - 2, + "%02X", data[i]); + + /* End of line? */ + if (((i + 1) % GC_SURFACE_DATA_COUNT) == 0) + gc_flush_line(s, buffer, indent, &len, i + 1, 0); + } + + /* Print the last partial string. */ + if ((i % GC_SURFACE_DATA_COUNT) != 0) + gc_flush_line(s, buffer, indent, &len, i, 0); + + /* End of dump. */ + GC_PRINTK(s, ":00000001FF\n"); +} + +typedef void (*printbuffer) (struct seq_file *s, struct itembuffer *itembuffer, + unsigned char *data); + +static printbuffer g_printbuffer[] = { + gc_print_generic, + gc_print_command, + gc_print_surface +}; + +static void gc_print_buffer(struct seq_file *s, struct itembuffer *itembuffer, + unsigned char *data) +{ + if (((int) itembuffer->buffertype < 0) || + (itembuffer->buffertype >= countof(g_printbuffer))) { + GC_PRINTK(s, "BUFFER ENTRY 0x%08X\n", + (unsigned int) itembuffer); + GC_PRINTK(s, "INVALID BUFFER TYPE %d\n", + itembuffer->buffertype); + } else { + g_printbuffer[itembuffer->buffertype](s, itembuffer, data); + } +} + + +/******************************************************************************* + * Print function wrappers. + */ + +#if GC_BUFFERED_OUTPUT +static unsigned int gc_print_none(struct seq_file *s, struct buffout *buffout, + struct itemhead *item) +{ + /* Return the size of the node. */ + return get_item_size_terminator(item); +} + +static unsigned int gc_print_string_wrapper(struct seq_file *s, + struct buffout *buffout, + struct itemhead *item) +{ + /* Print the message. */ + gc_print_string(s, (struct itemstring *) item); + + /* Return the size of the node. */ + return get_item_size_string(item); +} + +static unsigned int gc_print_buffer_wrapper(struct seq_file *s, + struct buffout *buffout, + struct itemhead *item) +{ + unsigned char *data; + struct itembuffer *itembuffer = (struct itembuffer *) item; + + /* Compute data address. */ + data = (unsigned char *) (itembuffer + 1); + + /* Print the message. */ + gc_print_buffer(s, (struct itembuffer *) item, data); + + /* Return the size of the node. */ + return get_item_size_buffer(item); +} + +typedef unsigned int (*printitem) (struct seq_file *s, struct buffout *buffout, + struct itemhead *item); + +static printitem g_printarray[] = { + gc_print_none, + gc_print_string_wrapper, + gc_print_buffer_wrapper +}; +#endif + + +/******************************************************************************* + * Private functions. + */ + +unsigned int gc_get_bpp(unsigned int format) +{ + unsigned int bpp; + + switch (format) { + case GCREG_DE_FORMAT_INDEX8: + case GCREG_DE_FORMAT_A8: + bpp = 1; + break; + + case GCREG_DE_FORMAT_X4R4G4B4: + case GCREG_DE_FORMAT_A4R4G4B4: + case GCREG_DE_FORMAT_X1R5G5B5: + case GCREG_DE_FORMAT_A1R5G5B5: + case GCREG_DE_FORMAT_R5G6B5: + case GCREG_DE_FORMAT_YUY2: + case GCREG_DE_FORMAT_UYVY: + case GCREG_DE_FORMAT_RG16: + bpp = 2; + break; + + case GCREG_DE_FORMAT_X8R8G8B8: + case GCREG_DE_FORMAT_A8R8G8B8: + bpp = 4; + break; + + default: + bpp = 0; + } + + return bpp; +} + +#if GC_BUFFERED_OUTPUT +static void gc_buffer_flush(struct seq_file *s, struct buffout *buffout) +{ + int i, skip; + struct itemhead *item; + + if (buffout->count == 0) + return; + + GC_PRINTK(s, "****************************************" + "****************************************\n"); + GC_PRINTK(s, "FLUSHING DEBUG OUTPUT BUFFER (%d elements).\n", + buffout->count); + +#if !GC_ENABLE_OVERFLOW + { + int occupied = (100 * (buffout->index - buffout->start)) + / GC_DUMP_BUFFER_SIZE; + if (buffout->start != 0) + GC_PRINTK(s, " START = %d\n", buffout->start); + GC_PRINTK(s, " INDEX = %d\n", buffout->index); + GC_PRINTK(s, " BUFFER USE = %d%%\n", occupied); + } +#endif + + GC_PRINTK(s, "****************************************" + "****************************************\n"); + + item = (struct itemhead *) &buffout->buffer[buffout->start]; + GC_DEBUGMSG("start=%d.\n", buffout->start); + + for (i = 0; i < buffout->count; i += 1) { + GC_DEBUGMSG("printing item %d of type %d @ 0x%08X.\n", + i, item->type, (unsigned int) item); + skip = (*g_printarray[item->type]) (s, buffout, item); + + item = (struct itemhead *) ((unsigned char *) item + skip); + GC_DEBUGMSG("next item @ 0x%08X.\n", (unsigned int) item); + + if (item->type == GC_BUFITEM_NONE) { + GC_DEBUGMSG("reached the end of buffer.\n"); + item = (struct itemhead *) buffout->buffer; + } + } + + GC_DEBUGMSG("resetting the buffer.\n"); + buffout->start = 0; + buffout->index = 0; + buffout->count = 0; +} + +static struct itemhead *gc_allocate_item(struct buffout *buffout, int size) +{ + struct itemhead *item, *next; + int endofbuffer = (buffout->index + size + >= GC_DUMP_BUFFER_SIZE - sizeof(struct itemhead)); + +#if GC_ENABLE_OVERFLOW + int skip, bufferoverflow; + + bufferoverflow = (buffout->index < buffout->start) && + (buffout->index + size >= buffout->start); + + if (endofbuffer || bufferoverflow) { + if (endofbuffer) { + if (buffout->index < buffout->start) { + item = (struct itemhead *) + &buffout->buffer[buffout->start]; + + while (item->type != GC_BUFITEM_NONE) { + skip = (*g_itemsize[item->type]) (item); + + buffout->start += skip; + buffout->count -= 1; + + item->type = GC_BUFITEM_NONE; + item = (struct itemhead *) + ((unsigned char *) item + skip); + } + + buffout->start = 0; + } + + buffout->index = 0; + } + + item = (struct itemhead *) &buffout->buffer[buffout->start]; + + while (buffout->start - buffout->index <= size) { + skip = (*g_itemsize[item->type]) (item); + + buffout->start += skip; + buffout->count -= 1; + + item->type = GC_BUFITEM_NONE; + item = (struct itemhead *) + ((unsigned char *) item + skip); + + if (item->type == GC_BUFITEM_NONE) { + buffout->start = 0; + break; + } + } + } +#else + if (endofbuffer) { + GC_PRINTK(NULL, "message buffer full; " + "forcing message flush.\n\n"); + gc_buffer_flush(NULL, buffout); + } +#endif + + item = (struct itemhead *) &buffout->buffer[buffout->index]; + + buffout->index += size; + buffout->count += 1; + + next = (struct itemhead *) ((unsigned char *) item + size); + next->type = GC_BUFITEM_NONE; + + return item; +} + +static void gc_append_string(struct buffout *buffout, + struct itemstring *itemstring) +{ + unsigned char *messagedata; + struct itemstring *item; + unsigned int alignment; + int size, freesize; + int allocsize; + + /* Determine the maximum item size. */ + allocsize = sizeof(struct itemstring) + itemstring->datasize + + GC_VARARG_ALIGNMENT; + + /* Allocate the item. */ + item = (struct itemstring *) gc_allocate_item(buffout, allocsize); + GC_DEBUGMSG("allocated %d bytes @ 0x%08X.\n", + allocsize, (unsigned int) item); + + /* Compute the initial message data pointer. */ + messagedata = (unsigned char *) (item + 1); + + /* Align the data pointer as necessary. */ + alignment = GC_PTRALIGNMENT(messagedata, GC_VARARG_ALIGNMENT); + messagedata += alignment; + GC_DEBUGMSG("messagedata @ 0x%08X.\n", (unsigned int) messagedata); + + /* Set item data. */ + item->itemtype = GC_BUFITEM_STRING; + item->indent = itemstring->indent; + item->message = itemstring->message; + item->messagedata = *(va_list *) &messagedata; + item->datasize = itemstring->datasize; + +#if GC_SHOW_PID + item->pid = itemstring->pid; +#endif + +#if GC_SHOW_DUMP_LINE + item->dumpline = itemstring->dumpline; +#endif + + /* Copy argument value. */ + if (itemstring->datasize != 0) { + GC_DEBUGMSG("copying %d bytes of messagedata.\n", + itemstring->datasize); + memcpy(messagedata, + *(unsigned char **) &itemstring->messagedata, + itemstring->datasize); + } + + /* Compute the actual node size. */ + size = sizeof(struct itemstring) + itemstring->datasize + alignment; + GC_DEBUGMSG("adjusted item size=%d.\n", size); + + /* Free extra memory if any. */ + freesize = allocsize - size; + GC_DEBUGMSG("freesize=%d.\n", freesize); + + if (freesize != 0) { + struct itemhead *next; + buffout->index -= freesize; + next = (struct itemhead *) ((unsigned char *) item + size); + next->type = GC_BUFITEM_NONE; + } + +#if GC_BUFFERED_OUTPUT && GC_FLUSH_COUNT + if (buffout->count >= GC_FLUSH_COUNT) { + GC_PRINTK(NULL, "reached %d message count; " + "forcing message flush.\n\n", buffout->count); + gc_buffer_flush(NULL, buffout); + } +#endif +} + +static void gc_append_buffer(struct buffout *buffout, + struct itembuffer *itembuffer, + unsigned int *data) +{ + struct itembuffer *item; + int allocsize; + + /* Determine the item size. */ + allocsize = sizeof(struct itembuffer) + itembuffer->datasize; + + /* Allocate the item. */ + item = (struct itembuffer *) gc_allocate_item(buffout, allocsize); + GC_DEBUGMSG("allocated %d bytes @ 0x%08X.\n", + allocsize, (unsigned int) item); + + /* Set item data. */ + *item = *itembuffer; + + /* Copy data. */ + memcpy(item + 1, data, itembuffer->datasize); + +#if GC_BUFFERED_OUTPUT && GC_FLUSH_COUNT + if (buffout->count >= GC_FLUSH_COUNT) { + GC_PRINTK(NULL, "reached %d message count; " + "forcing message flush.\n\n", buffout->count); + gc_buffer_flush(NULL, buffout); + } +#endif +} +#endif + +static void gc_print(struct buffout *buffout, unsigned int argsize, + const char *message, va_list args) +{ + struct itemstring itemstring; + struct threadinfo *threadinfo; + + GCLOCK(&g_lockmutex); + + /* Locate thead entry. */ + threadinfo = get_threadinfo(buffout); + + /* Form the indent string. */ + if (strncmp(message, "--", 2) == 0) + threadinfo->msgindent -= 2; + + /* Fill in the sructure. */ + itemstring.itemtype = GC_BUFITEM_STRING; + itemstring.indent = threadinfo->msgindent + + threadinfo->threadindent; + itemstring.message = message; + itemstring.messagedata = args; + itemstring.datasize = argsize; + +#if GC_SHOW_PID + itemstring.pid = threadinfo->pid; +#endif + +#if GC_SHOW_DUMP_LINE + itemstring.dumpline = ++buffout->dumpline; +#endif + + /* Print the message. */ +#if GC_BUFFERED_OUTPUT + gc_append_string(buffout, &itemstring); +#else + gc_print_string(NULL, &itemstring); +#endif + + /* Check increasing indent. */ + if (strncmp(message, "++", 2) == 0) + threadinfo->msgindent += 2; + + GCUNLOCK(&g_lockmutex); +} + + +/******************************************************************************* + * Dumping functions. + */ + +void gc_dump_string(struct gcdbgfilter *filter, unsigned int zone, + const char *message, ...) +{ + va_list args; + unsigned int i, count, argsize; + + if (!g_outputbuffer.enable) + return; + + if (message == NULL) + GC_DEBUGMSG("message is NULL.\n"); + + if (GC_VERIFY_ENABLE(filter, zone)) { + for (i = 0, count = 0; message[i]; i += 1) + if (message[i] == '%') + count += 1; + + argsize = count * sizeof(unsigned int); + GC_DEBUGMSG("argsize=%d.\n", argsize); + + va_start(args, message); + gc_print(&g_outputbuffer, argsize, message, args); + va_end(args); + } +} +EXPORT_SYMBOL(gc_dump_string); + +void gc_dump_string_sized(struct gcdbgfilter *filter, unsigned int zone, + unsigned int argsize, const char *message, ...) +{ + va_list args; + + if (!g_outputbuffer.enable) + return; + + if (GC_VERIFY_ENABLE(filter, zone)) { + va_start(args, message); + gc_print(&g_outputbuffer, argsize, message, args); + va_end(args); + } +} +EXPORT_SYMBOL(gc_dump_string_sized); + +void gc_dump_cmd_buffer(struct gcdbgfilter *filter, unsigned int zone, + void *ptr, unsigned int gpuaddr, unsigned int datasize) +{ + struct itembuffer itembuffer; + struct threadinfo *threadinfo; + + if (!g_outputbuffer.enable) + return; + + if (GC_VERIFY_ENABLE(filter, zone)) { + GCLOCK(&g_lockmutex); + + /* Locate thead entry. */ + threadinfo = get_threadinfo(&g_outputbuffer); + + /* Fill in the sructure. */ + itembuffer.itemtype = GC_BUFITEM_BUFFER; + itembuffer.buffertype = GC_BUFTYPE_COMMAND; + itembuffer.indent = threadinfo->msgindent + + threadinfo->threadindent; + itembuffer.datasize = datasize; + itembuffer.gpuaddr = gpuaddr; + + /* Print the message. */ +#if GC_BUFFERED_OUTPUT + gc_append_buffer(NULL, &g_outputbuffer, &itembuffer, + (unsigned int *) ptr); +#else + gc_print_buffer(NULL, &itembuffer, + (unsigned char *) ptr); +#endif + + GCUNLOCK(&g_lockmutex); + } +} +EXPORT_SYMBOL(gc_dump_cmd_buffer); + +void gc_dump_buffer(struct gcdbgfilter *filter, unsigned int zone, + void *ptr, unsigned int gpuaddr, + unsigned int datasize) +{ + struct itembuffer itembuffer; + struct threadinfo *threadinfo; + + if (!g_outputbuffer.enable) + return; + + if (GC_VERIFY_ENABLE(filter, zone)) { + GCLOCK(&g_lockmutex); + + /* Locate thead entry. */ + threadinfo = get_threadinfo(&g_outputbuffer); + + /* Fill in the sructure. */ + itembuffer.itemtype = GC_BUFITEM_BUFFER; + itembuffer.buffertype = GC_BUFTYPE_GENERIC; + itembuffer.indent = threadinfo->msgindent + + threadinfo->threadindent; + itembuffer.datasize = datasize; + itembuffer.gpuaddr = gpuaddr; + + /* Print the message. */ +#if GC_BUFFERED_OUTPUT + gc_append_buffer(NULL, &g_outputbuffer, &itembuffer, + (unsigned int *) ptr); +#else + gc_print_buffer(NULL, &itembuffer, + (unsigned char *) ptr); +#endif + + GCUNLOCK(&g_lockmutex); + } +} +EXPORT_SYMBOL(gc_dump_buffer); + + +/******************************************************************************* + * Dumping control functions. + */ + +void gc_dump_enable(void) +{ + GCLOCK(&g_lockmutex); + + g_outputbuffer.enable = 1; + GC_PRINTK(NULL, "gcx dumping is enabled.\n"); + + GCUNLOCK(&g_lockmutex); +} +EXPORT_SYMBOL(gc_dump_enable); + +void gc_dump_disable(void) +{ + GCLOCK(&g_lockmutex); + + g_outputbuffer.enable = 0; + GC_PRINTK(NULL, "gcx dumping is disabled.\n"); + + GCUNLOCK(&g_lockmutex); +} +EXPORT_SYMBOL(gc_dump_disable); + +void gc_dump_show_enabled(struct seq_file *s) +{ + struct list_head *filterhead; + struct gcdbgfilter *filter; + unsigned int i, zone; + + GCLOCK(&g_lockmutex); + + GC_PRINTK(s, "gcx logging is %s\n", g_outputbuffer.enable + ? "enabled" : "disabled"); + + list_for_each(filterhead, &gc_filterlist) { + filter = list_entry(filterhead, struct gcdbgfilter, + link); + + GC_PRINTK(s, "gcx filter '%s':\n", filter->filtername); + GC_PRINTK(s, " zone mask = 0x%08X%s\n", filter->zone, + (filter->zone == 0) + ? " (all disabled)" : ""); + + for (i = 0; filter->zonename[i] != NULL; i++) { + zone = 1 << i; + GC_PRINTK(s, " 0x%08X: %10s%s\n", + zone, filter->zonename[i], + ((filter->zone & zone) != 0) + ? " (enabled)" : ""); + } + } + + GCUNLOCK(&g_lockmutex); +} +EXPORT_SYMBOL(gc_dump_show_enabled); + +void gc_dump_filter_enable(const char *filtername, int zone) +{ + struct list_head *filterhead; + struct gcdbgfilter *filter; + unsigned int filterfound = 0; + unsigned int havesetzones = 0; + + GCLOCK(&g_lockmutex); + + GC_PRINTK(NULL, "modifying zone mask for filter %s:\n", filtername); + + list_for_each(filterhead, &gc_filterlist) { + filter = list_entry(filterhead, struct gcdbgfilter, + link); + + if (strcasecmp(filtername, filter->filtername) == 0) { + GC_PRINTK(NULL, " 0x%08X --> 0x%08X\n", + filter->zone, zone); + filter->zone = zone; + filterfound = 1; + } + + if (filter->zone != 0) + havesetzones = 1; + } + + GCUNLOCK(&g_lockmutex); + + if (!filterfound) + GC_PRINTK(NULL, " couldn't find filter %s.\n", filtername); + + if (havesetzones && !g_outputbuffer.enable) + gc_dump_enable(); + else if (!havesetzones && g_outputbuffer.enable) + gc_dump_disable(); +} +EXPORT_SYMBOL(gc_dump_filter_enable); + +void gc_dbg_add_client(struct gcdbgfilter *filter) +{ + list_add(&filter->link, &gc_filterlist); +} +EXPORT_SYMBOL(gc_dbg_add_client); + +void gc_dump_flush(struct seq_file *s) +{ +#if GC_BUFFERED_OUTPUT + GCLOCK(&g_lockmutex); + + /* + * Not dumping through debugfs for now because we have + * too much data and it'd require us to implement the + * seq_file iterator interface. + */ + gc_buffer_flush(NULL, &g_outputbuffer); + + GCUNLOCK(&g_lockmutex); +#endif +} +EXPORT_SYMBOL(gc_dump_flush); + +void gc_dump_reset(void) +{ +#if GC_BUFFERED_OUTPUT + GCLOCK(&g_lockmutex); + + g_outputbuffer.start = 0; + g_outputbuffer.index = 0; + g_outputbuffer.count = 0; + + GC_PRINTK(NULL, "gcx logging buffer is reset.\n"); + + GCUNLOCK(&g_lockmutex); +#endif +} +EXPORT_SYMBOL(gc_dump_reset); + + +/******************************************************************************* + * Command buffer parser. + */ + +int gc_parse_command_buffer(unsigned int *buffer, unsigned int size, + struct gccommandinfo *info) +{ + int res; + unsigned int i, j, itemcount, index, oldsrc; + unsigned int command, count, addr; + + memset(info, 0, sizeof(struct gccommandinfo)); + info->command = ~0U; + + oldsrc = 0; + + itemcount = (size + 3) / 4; + for (i = 0; i < itemcount;) { + command = (buffer[i] >> 27) & 0x1F; + + switch (command) { + case GCREG_COMMAND_OPCODE_LOAD_STATE: + count = (buffer[i] >> 16) & 0x3F; + addr = buffer[i] & 0xFFFF; + i += 1; + + for (j = 0; j < count; j += 1) { + switch (addr) { + case gcregDestAddressRegAddrs: + info->dst.surf.address = buffer[i]; + break; + + case gcregDestStrideRegAddrs: + info->dst.surf.stride = buffer[i]; + break; + + case gcregDestRotationConfigRegAddrs: + info->dst.surf.width + = buffer[i] & 0xFFFF; + break; + + case gcregDstRotationHeightRegAddrs: + info->dst.surf.height + = buffer[i] & 0xFFFF; + break; + + case gcregDestConfigRegAddrs: + info->command + = (buffer[i] >> 12) & 0xF; + + info->dst.surf.swizzle + = (buffer[i] >> 16) & 0x3; + + info->dst.surf.format + = buffer[i] & 0x1F; + + info->dst.surf.bpp = gc_get_bpp( + info->dst.surf.format); + break; + + case gcregSrcAddressRegAddrs: + info->src[0].surf.address = buffer[i]; + oldsrc = 1; + break; + + case gcregSrcStrideRegAddrs: + info->src[0].surf.stride = buffer[i]; + break; + + case gcregSrcRotationConfigRegAddrs: + info->src[0].surf.width + = buffer[i] & 0xFFFF; + break; + + case gcregSrcRotationHeightRegAddrs: + info->src[0].surf.height + = buffer[i] & 0xFFFF; + break; + + case gcregSrcConfigRegAddrs: + info->src[0].surf.swizzle + = (buffer[i] >> 20) & 0x3; + + info->src[0].surf.format + = (buffer[i] >> 24) & 0x1F; + + info->src[0].surf.bpp = gc_get_bpp( + info->src[0].surf.format); + break; + + case gcregSrcOriginRegAddrs: + info->src[0].rect.left + = buffer[i] & 0xFFFF; + + info->src[0].rect.top + = (buffer[i] >> 16) & 0xFFFF; + break; + + case gcregSrcSizeRegAddrs: + info->src[0].rect.right + = buffer[i] & 0xFFFF; + + info->src[0].rect.bottom + = (buffer[i] >> 16) & 0xFFFF; + break; + + case gcregBlock4SrcAddressRegAddrs: + case gcregBlock4SrcAddressRegAddrs + 1: + case gcregBlock4SrcAddressRegAddrs + 2: + case gcregBlock4SrcAddressRegAddrs + 3: + index = addr & 3; + info->src[index].surf.address + = buffer[i]; + break; + + case gcregBlock4SrcStrideRegAddrs: + case gcregBlock4SrcStrideRegAddrs + 1: + case gcregBlock4SrcStrideRegAddrs + 2: + case gcregBlock4SrcStrideRegAddrs + 3: + index = addr & 3; + info->src[index].surf.stride + = buffer[i]; + break; + + case gcregBlock4SrcRotationConfigRegAddrs: + case gcregBlock4SrcRotationConfigRegAddrs + 1: + case gcregBlock4SrcRotationConfigRegAddrs + 2: + case gcregBlock4SrcRotationConfigRegAddrs + 3: + index = addr & 3; + info->src[index].surf.width + = buffer[i] & 0xFFFF; + break; + + case gcregBlock4SrcRotationHeightRegAddrs: + case gcregBlock4SrcRotationHeightRegAddrs + 1: + case gcregBlock4SrcRotationHeightRegAddrs + 2: + case gcregBlock4SrcRotationHeightRegAddrs + 3: + index = addr & 3; + info->src[0].surf.height + = buffer[i] & 0xFFFF; + break; + + case gcregBlock4SrcConfigRegAddrs: + case gcregBlock4SrcConfigRegAddrs + 1: + case gcregBlock4SrcConfigRegAddrs + 2: + case gcregBlock4SrcConfigRegAddrs + 3: + index = addr & 3; + info->src[index].surf.swizzle + = (buffer[i] >> 20) & 0x3; + + info->src[index].surf.format + = (buffer[i] >> 24) & 0x1F; + + info->src[index].surf.bpp = gc_get_bpp( + info->src[index].surf.format); + break; + + case gcregBlock4SrcOriginRegAddrs: + case gcregBlock4SrcOriginRegAddrs + 1: + case gcregBlock4SrcOriginRegAddrs + 2: + case gcregBlock4SrcOriginRegAddrs + 3: + index = addr & 3; + info->src[index].rect.left + = buffer[i] & 0xFFFF; + + info->src[index].rect.top + = (buffer[i] >> 16) & 0xFFFF; + break; + + case gcregBlock4SrcSizeRegAddrs: + case gcregBlock4SrcSizeRegAddrs + 1: + case gcregBlock4SrcSizeRegAddrs + 2: + case gcregBlock4SrcSizeRegAddrs + 3: + index = addr & 3; + info->src[index].rect.right + = buffer[i] & 0xFFFF; + + info->src[index].rect.bottom + = (buffer[i] >> 16) & 0xFFFF; + break; + + case gcregDEMultiSourceRegAddrs: + info->srccount = (buffer[i] & 0x7) + 1; + break; + } + + addr += 1; + i += 1; + } + + i += ((~count) & 1); + break; + + case GCREG_COMMAND_OPCODE_END: + case GCREG_COMMAND_OPCODE_NOP: + case GCREG_COMMAND_OPCODE_WAIT: + case GCREG_COMMAND_OPCODE_LINK: + case GCREG_COMMAND_OPCODE_STALL: + i += 2; + break; + + case GCREG_COMMAND_OPCODE_STARTDE: + info->dst.rectcount = (buffer[i] >> 8) & 0xFF; + i += 2; + + for (j = 0; j < info->dst.rectcount; j += 1) { + info->dst.rect[j].left + = buffer[i] & 0xFFFF; + info->dst.rect[j].top + = (buffer[i] >> 16) & 0xFFFF; + i += 1; + + info->dst.rect[j].right + = buffer[i] & 0xFFFF; + info->dst.rect[j].bottom + = (buffer[i] >> 16) & 0xFFFF; + i += 1; + } + break; + + default: + res = 0; + gc_dump_string(NULL, 0, + "bad command (%d) " + "while parsing the command stream", + command); + goto exit; + } + + } + + /* Enable old source. */ + if ((info->srccount == 0) && oldsrc) + info->srccount = 1; + + /* Success. */ + res = 1; + +exit: + return res; +} +EXPORT_SYMBOL(gc_parse_command_buffer); + + +/******************************************************************************* + * Bltsville debugging. + */ + +char *gc_bvblend_name(enum bvblend blend) +{ + switch (blend) { + case BVBLEND_CLEAR: return "BVBLEND_CLEAR"; + case BVBLEND_SRC1: return "BVBLEND_SRC1"; + case BVBLEND_SRC2: return "BVBLEND_SRC2"; + case BVBLEND_SRC1OVER: return "BVBLEND_SRC1OVER"; + case BVBLEND_SRC2OVER: return "BVBLEND_SRC2OVER"; + case BVBLEND_SRC1IN: return "BVBLEND_SRC1IN"; + case BVBLEND_SRC2IN: return "BVBLEND_SRC2IN"; + case BVBLEND_SRC1OUT: return "BVBLEND_SRC1OUT"; + case BVBLEND_SRC2OUT: return "BVBLEND_SRC2OUT"; + case BVBLEND_SRC1ATOP: return "BVBLEND_SRC1ATOP"; + case BVBLEND_SRC2ATOP: return "BVBLEND_SRC2ATOP"; + case BVBLEND_XOR: return "BVBLEND_XOR"; + case BVBLEND_PLUS: return "BVBLEND_PLUS"; + case BVBLEND_NORMAL: return "BVBLEND_NORMAL"; + case BVBLEND_LIGHTEN: return "BVBLEND_LIGHTEN"; + case BVBLEND_DARKEN: return "BVBLEND_DARKEN"; + case BVBLEND_MULTIPLY: return "BVBLEND_MULTIPLY"; + case BVBLEND_AVERAGE: return "BVBLEND_AVERAGE"; + case BVBLEND_ADD: return "BVBLEND_ADD"; + case BVBLEND_SUBTRACT: return "BVBLEND_SUBTRACT"; + case BVBLEND_DIFFERENCE: return "BVBLEND_DIFFERENCE"; + case BVBLEND_NEGATE: return "BVBLEND_NEGATE"; + case BVBLEND_SCREEN: return "BVBLEND_SCREEN"; + case BVBLEND_EXCLUSION: return "BVBLEND_EXCLUSION"; + case BVBLEND_OVERLAY: return "BVBLEND_OVERLAY"; + case BVBLEND_SOFT_LIGHT: return "BVBLEND_SOFT_LIGHT"; + case BVBLEND_HARD_LIGHT: return "BVBLEND_HARD_LIGHT"; + case BVBLEND_COLOR_DODGE: return "BVBLEND_COLOR_DODGE"; + case BVBLEND_COLOR_BURN: return "BVBLEND_COLOR_BURN"; + case BVBLEND_LINEAR_LIGHT: return "BVBLEND_LINEAR_LIGHT"; + case BVBLEND_VIVID_LIGHT: return "BVBLEND_VIVID_LIGHT"; + case BVBLEND_PIN_LIGHT: return "BVBLEND_PIN_LIGHT"; + case BVBLEND_HARD_MIX: return "BVBLEND_HARD_MIX"; + case BVBLEND_REFLECT: return "BVBLEND_REFLECT"; + case BVBLEND_GLOW: return "BVBLEND_GLOW"; + case BVBLEND_PHOENIX: return "BVBLEND_PHOENIX"; + default: return "[UNKNOWN]"; + } +} +EXPORT_SYMBOL(gc_bvblend_name); + + +/******************************************************************************* + * Initialization/cleanup. + */ + +void gcdbg_init(void) +{ +#if GC_BUFFERED_OUTPUT + /* Allocate the debug buffer. */ + g_outputbuffer.buffer = kmalloc(GC_DUMP_BUFFER_SIZE, GFP_KERNEL); + if (g_outputbuffer.buffer == NULL) { + GC_PRINTK(NULL, "failed to allocate dump buffer.\n"); + return; + } +#endif + + g_initdone = 1; +} + +void gcdbg_exit(void) +{ +#if GC_BUFFERED_OUTPUT + if (g_outputbuffer.buffer != NULL) { + kfree(g_outputbuffer.buffer); + g_outputbuffer.buffer = NULL; + } +#endif + + g_initdone = 0; +} + +#endif /* GCDEBUG_ENABLE */ |