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alistair23-linux/drivers/staging/mt7621-mmc/dbg.c

348 lines
12 KiB
C

/* Copyright Statement:
*
* This software/firmware and related documentation ("MediaTek Software") are
* protected under relevant copyright laws. The information contained herein
* is confidential and proprietary to MediaTek Inc. and/or its licensors.
* Without the prior written permission of MediaTek inc. and/or its licensors,
* any reproduction, modification, use or disclosure of MediaTek Software,
* and information contained herein, in whole or in part, shall be strictly prohibited.
*
* MediaTek Inc. (C) 2010. All rights reserved.
*
* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
* THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
* STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
* CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* The following software/firmware and/or related documentation ("MediaTek Software")
* have been modified by MediaTek Inc. All revisions are subject to any receiver's
* applicable license agreements with MediaTek Inc.
*/
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/string.h>
#include <linux/uaccess.h>
// #include <mach/mt6575_gpt.h> /* --- by chhung */
#include "dbg.h"
#include "mt6575_sd.h"
#include <linux/seq_file.h>
static char cmd_buf[256];
/* for debug zone */
unsigned int sd_debug_zone[4]={
0,
0,
0,
0
};
/* mode select */
u32 dma_size[4]={
512,
512,
512,
512
};
msdc_mode drv_mode[4]={
MODE_SIZE_DEP, /* using DMA or not depend on the size */
MODE_SIZE_DEP,
MODE_SIZE_DEP,
MODE_SIZE_DEP
};
#if defined (MT6575_SD_DEBUG)
/* for driver profile */
#define TICKS_ONE_MS (13000)
u32 gpt_enable = 0;
u32 sdio_pro_enable = 0; /* make sure gpt is enabled */
u32 sdio_pro_time = 0; /* no more than 30s */
struct sdio_profile sdio_perfomance = {0};
#if 0 /* --- chhung */
void msdc_init_gpt(void)
{
GPT_CONFIG config;
config.num = GPT6;
config.mode = GPT_FREE_RUN;
config.clkSrc = GPT_CLK_SRC_SYS;
config.clkDiv = GPT_CLK_DIV_1; /* 13MHz GPT6 */
if (GPT_Config(config) == FALSE )
return;
GPT_Start(GPT6);
}
#endif /* end of --- */
u32 msdc_time_calc(u32 old_L32, u32 old_H32, u32 new_L32, u32 new_H32)
{
u32 ret = 0;
if (new_H32 == old_H32) {
ret = new_L32 - old_L32;
} else if(new_H32 == (old_H32 + 1)) {
if (new_L32 > old_L32) {
printk("msdc old_L<0x%x> new_L<0x%x>\n", old_L32, new_L32);
}
ret = (0xffffffff - old_L32);
ret += new_L32;
} else {
printk("msdc old_H<0x%x> new_H<0x%x>\n", old_H32, new_H32);
}
return ret;
}
void msdc_sdio_profile(struct sdio_profile* result)
{
struct cmd_profile* cmd;
u32 i;
printk("sdio === performance dump ===\n");
printk("sdio === total execute tick<%d> time<%dms> Tx<%dB> Rx<%dB>\n",
result->total_tc, result->total_tc / TICKS_ONE_MS,
result->total_tx_bytes, result->total_rx_bytes);
/* CMD52 Dump */
cmd = &result->cmd52_rx;
printk("sdio === CMD52 Rx <%d>times tick<%d> Max<%d> Min<%d> Aver<%d>\n", cmd->count, cmd->tot_tc,
cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count);
cmd = &result->cmd52_tx;
printk("sdio === CMD52 Tx <%d>times tick<%d> Max<%d> Min<%d> Aver<%d>\n", cmd->count, cmd->tot_tc,
cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count);
/* CMD53 Rx bytes + block mode */
for (i=0; i<512; i++) {
cmd = &result->cmd53_rx_byte[i];
if (cmd->count) {
printk("sdio<%6d><%3dB>_Rx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc,
cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count,
cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10));
}
}
for (i=0; i<100; i++) {
cmd = &result->cmd53_rx_blk[i];
if (cmd->count) {
printk("sdio<%6d><%3d>B_Rx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc,
cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count,
cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10));
}
}
/* CMD53 Tx bytes + block mode */
for (i=0; i<512; i++) {
cmd = &result->cmd53_tx_byte[i];
if (cmd->count) {
printk("sdio<%6d><%3dB>_Tx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc,
cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count,
cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10));
}
}
for (i=0; i<100; i++) {
cmd = &result->cmd53_tx_blk[i];
if (cmd->count) {
printk("sdio<%6d><%3d>B_Tx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc,
cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count,
cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10));
}
}
printk("sdio === performance dump done ===\n");
}
//========= sdio command table ===========
void msdc_performance(u32 opcode, u32 sizes, u32 bRx, u32 ticks)
{
struct sdio_profile* result = &sdio_perfomance;
struct cmd_profile* cmd;
u32 block;
if (sdio_pro_enable == 0) {
return;
}
if (opcode == 52) {
cmd = bRx ? &result->cmd52_rx : &result->cmd52_tx;
} else if (opcode == 53) {
if (sizes < 512) {
cmd = bRx ? &result->cmd53_rx_byte[sizes] : &result->cmd53_tx_byte[sizes];
} else {
block = sizes / 512;
if (block >= 99) {
printk("cmd53 error blocks\n");
while(1);
}
cmd = bRx ? &result->cmd53_rx_blk[block] : &result->cmd53_tx_blk[block];
}
} else {
return;
}
/* update the members */
if (ticks > cmd->max_tc){
cmd->max_tc = ticks;
}
if (cmd->min_tc == 0 || ticks < cmd->min_tc) {
cmd->min_tc = ticks;
}
cmd->tot_tc += ticks;
cmd->tot_bytes += sizes;
cmd->count ++;
if (bRx) {
result->total_rx_bytes += sizes;
} else {
result->total_tx_bytes += sizes;
}
result->total_tc += ticks;
/* dump when total_tc > 30s */
if (result->total_tc >= sdio_pro_time * TICKS_ONE_MS * 1000) {
msdc_sdio_profile(result);
memset(result, 0 , sizeof(struct sdio_profile));
}
}
//========== driver proc interface ===========
static int msdc_debug_proc_read(struct seq_file *s, void *p)
{
seq_printf(s, "\n=========================================\n");
seq_printf(s, "Index<0> + Id + Zone\n");
seq_printf(s, "-> PWR<9> WRN<8> | FIO<7> OPS<6> FUN<5> CFG<4> | INT<3> RSP<2> CMD<1> DMA<0>\n");
seq_printf(s, "-> echo 0 3 0x3ff >msdc_bebug -> host[3] debug zone set to 0x3ff\n");
seq_printf(s, "-> MSDC[0] Zone: 0x%.8x\n", sd_debug_zone[0]);
seq_printf(s, "-> MSDC[1] Zone: 0x%.8x\n", sd_debug_zone[1]);
seq_printf(s, "-> MSDC[2] Zone: 0x%.8x\n", sd_debug_zone[2]);
seq_printf(s, "-> MSDC[3] Zone: 0x%.8x\n", sd_debug_zone[3]);
seq_printf(s, "Index<1> + ID:4|Mode:4 + DMA_SIZE\n");
seq_printf(s, "-> 0)PIO 1)DMA 2)SIZE\n");
seq_printf(s, "-> echo 1 22 0x200 >msdc_bebug -> host[2] size mode, dma when >= 512\n");
seq_printf(s, "-> MSDC[0] mode<%d> size<%d>\n", drv_mode[0], dma_size[0]);
seq_printf(s, "-> MSDC[1] mode<%d> size<%d>\n", drv_mode[1], dma_size[1]);
seq_printf(s, "-> MSDC[2] mode<%d> size<%d>\n", drv_mode[2], dma_size[2]);
seq_printf(s, "-> MSDC[3] mode<%d> size<%d>\n", drv_mode[3], dma_size[3]);
seq_printf(s, "Index<3> + SDIO_PROFILE + TIME\n");
seq_printf(s, "-> echo 3 1 0x1E >msdc_bebug -> enable sdio_profile, 30s\n");
seq_printf(s, "-> SDIO_PROFILE<%d> TIME<%ds>\n", sdio_pro_enable, sdio_pro_time);
seq_printf(s, "=========================================\n\n");
return 0;
}
static ssize_t msdc_debug_proc_write(struct file *file,
const char __user *buf, size_t count, loff_t *data)
{
int ret;
int cmd, p1, p2;
int id, zone;
int mode, size;
if (count == 0)return -1;
if(count > 255)count = 255;
ret = copy_from_user(cmd_buf, buf, count);
if (ret < 0)return -1;
cmd_buf[count] = '\0';
printk("msdc Write %s\n", cmd_buf);
sscanf(cmd_buf, "%x %x %x", &cmd, &p1, &p2);
if(cmd == SD_TOOL_ZONE) {
id = p1; zone = p2; zone &= 0x3ff;
printk("msdc host_id<%d> zone<0x%.8x>\n", id, zone);
if(id >=0 && id<=3){
sd_debug_zone[id] = zone;
}
else if(id == 4){
sd_debug_zone[0] = sd_debug_zone[1] = zone;
sd_debug_zone[2] = sd_debug_zone[3] = zone;
}
else{
printk("msdc host_id error when set debug zone\n");
}
} else if (cmd == SD_TOOL_DMA_SIZE) {
id = p1>>4; mode = (p1&0xf); size = p2;
if(id >=0 && id<=3){
drv_mode[id] = mode;
dma_size[id] = p2;
}
else if(id == 4){
drv_mode[0] = drv_mode[1] = mode;
drv_mode[2] = drv_mode[3] = mode;
dma_size[0] = dma_size[1] = p2;
dma_size[2] = dma_size[3] = p2;
}
else{
printk("msdc host_id error when select mode\n");
}
} else if (cmd == SD_TOOL_SDIO_PROFILE) {
if (p1 == 1) { /* enable profile */
if (gpt_enable == 0) {
// msdc_init_gpt(); /* --- by chhung */
gpt_enable = 1;
}
sdio_pro_enable = 1;
if (p2 == 0) p2 = 1; if (p2 >= 30) p2 = 30;
sdio_pro_time = p2 ;
} else if (p1 == 0) {
/* todo */
sdio_pro_enable = 0;
}
}
return count;
}
static int msdc_debug_show(struct inode *inode, struct file *file)
{
return single_open(file, msdc_debug_proc_read, NULL);
}
static const struct file_operations msdc_debug_fops = {
.owner = THIS_MODULE,
.open = msdc_debug_show,
.read = seq_read,
.write = msdc_debug_proc_write,
.llseek = seq_lseek,
.release = single_release,
};
int msdc_debug_proc_init(void)
{
struct proc_dir_entry *de = proc_create("msdc_debug", 0667, NULL, &msdc_debug_fops);
if (!de || IS_ERR(de))
printk("!! Create MSDC debug PROC fail !!\n");
return 0 ;
}
EXPORT_SYMBOL_GPL(msdc_debug_proc_init);
#endif