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Diffstat (limited to 'drivers/staging/mt7621-mmc/dbg.c')
-rw-r--r--drivers/staging/mt7621-mmc/dbg.c347
1 files changed, 347 insertions, 0 deletions
diff --git a/drivers/staging/mt7621-mmc/dbg.c b/drivers/staging/mt7621-mmc/dbg.c
new file mode 100644
index 000000000000..4dc115b53993
--- /dev/null
+++ b/drivers/staging/mt7621-mmc/dbg.c
@@ -0,0 +1,347 @@
+/* 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-28 23:54:25 +0000