static int autok_thread_func(void *data)
{
struct sdio_autok_thread_data *autok_thread_data;
struct sched_param param = { .sched_priority = 99 };
unsigned int vcore_uv = 0;
struct msdc_host *host;
struct mmc_host *mmc;
char stage = 0;
int i,j;
int res = 0;
int doStg2 = 0;
void __iomem *base;
u32 dma;
struct timeval t0,t1;
int time_in_s, time_in_ms;
// unsigned long flags;
autok_thread_data = (struct sdio_autok_thread_data *)data;
sched_setscheduler(current, SCHED_FIFO, ¶m);
// preempt_disable();
host = autok_thread_data->host;
mmc = host->mmc;
stage = autok_thread_data->stage;
base = host->base;
dma = msdc_dma_status();
// Inform msdc_set_mclk() auto-K is going to process
sdio_autok_processed = 1;
// Set clock to card max clock
mmc_set_clock(mmc, mmc->ios.clock);
msdc_sdio_set_long_timing_delay_by_freq(host, mmc->ios.clock);
msdc_ungate_clock(host);
// Set PIO mode
msdc_dma_off();
vcore_uv = autok_get_current_vcore_offset();
// End of initialize
do_gettimeofday(&t0);
if(autok_thread_data->log != NULL)
log_info = autok_thread_data->log;
if(stage == 1) {
// call stage 1 auto-K callback function
autok_thread_data->is_autok_done[host->id] = 0;
res = msdc_autok_stg1_cal(host, vcore_uv, autok_thread_data->p_autok_predata);
if(res){
printk(KERN_INFO "[%s] Auto-K stage 1 fail, res = %d, set msdc parameter settings stored in nvram to 0\n", __func__, res);
memset(autok_thread_data->p_autok_predata->ai_data[0], 0, autok_thread_data->p_autok_predata->param_count * sizeof(unsigned int));
autok_thread_data->is_autok_done[host->id] = 2;
}
} else if(stage == 2) {
// call stage 2 auto-K callback function
// check if msdc params of different volt are all 0, if so, that means auto-K stg1 failed
for(i=0; i<autok_thread_data->p_autok_predata->vol_count; i++){
for(j=0; j<autok_thread_data->p_autok_predata->param_count; j++){
if(autok_thread_data->p_autok_predata->ai_data[i][j].data.sel != 0){
doStg2 = 1;
break;
}
}
if(doStg2)
break;
}
if(doStg2){
res = msdc_autok_stg2_cal(host, autok_thread_data->p_autok_predata, vcore_uv);
if(res){
printk(KERN_INFO "[%s] Auto-K stage 2 fail, res = %d, downgrade SDIO freq to 50MHz\n", __func__, res);
mmc->ios.clock = 50*1000*1000;
mmc_set_clock(mmc, mmc->ios.clock);
msdc_sdio_set_long_timing_delay_by_freq(host, mmc->ios.clock);
sdio_autok_processed = 0;
for (i = 0; i < HOST_MAX_NUM; i++) {
if (autok_thread_data->p_autok_progress[i].host_id == -1) {
break;
} else if (autok_thread_data->p_autok_progress[i].host_id == host->id) {
autok_thread_data->p_autok_progress[i].fail = 1;
}
}
}
} else { // Auto-K stg1 failed
printk(KERN_INFO "[%s] Auto-K stage 1 fail, downgrade SDIO freq to 50MHz\n", __func__);
mmc->ios.clock = 50*1000*1000;
mmc_set_clock(mmc, mmc->ios.clock);
msdc_sdio_set_long_timing_delay_by_freq(host, mmc->ios.clock);
sdio_autok_processed = 0;
for (i = 0; i < HOST_MAX_NUM; i++) {
if (autok_thread_data->p_autok_progress[i].host_id == -1) {
break;
} else if (autok_thread_data->p_autok_progress[i].host_id == host->id) {
autok_thread_data->p_autok_progress[i].fail = 1;
}
}
}
log_info = NULL;
} else {
printk(KERN_INFO "[%s] stage %d doesn't support in auto-K\n", __func__, stage);
//return -EFAULT;
}
do_gettimeofday(&t1);
if(dma == DMA_ON)
msdc_dma_on();
msdc_gate_clock(host,1);
// [FIXDONE] Tell native module that auto-K has finished
if(stage == 1)
autok_calibration_done(host->id, autok_thread_data);
else if(stage == 2){
for(i=0; i<HOST_MAX_NUM; i++){
if(autok_thread_data->p_autok_progress[i].host_id == -1){
break;
} else if(autok_thread_data->p_autok_progress[i].host_id == host->id){
autok_thread_data->p_autok_progress[i].done = 1;
if(autok_thread_data->p_autok_progress[i].done > 0)
complete(&autok_thread_data->autok_completion[i]);
}
}
}
time_in_s = (t1.tv_sec - t0.tv_sec);
time_in_ms = (t1.tv_usec - t0.tv_usec)>>10;
printk(KERN_ERR "\n[AUTOKK][Stage%d] Timediff is %d.%d(s)\n", (int)stage, time_in_s, time_in_ms );
// preempt_enable();
return 0;
}
#endif
int send_autok_uevent(char *text, struct msdc_host *host)
{
int err = 0;
char *envp[3];
char *host_buf;
char *what_buf;
//struct msdc_host *host = mtk_msdc_host[id];
host_buf = kzalloc(sizeof(char)*128, GFP_KERNEL);
what_buf = kzalloc(sizeof(char)*128, GFP_KERNEL);
snprintf(host_buf, MAX_ARGS_BUF-1, "HOST=%d", host->id);
snprintf(what_buf, MAX_ARGS_BUF-1, "WHAT=%s", text);
envp[0] = host_buf;
envp[1] = what_buf;
envp[2] = NULL;
if(host != NULL){
err = kobject_uevent_env(&host->mmc->class_dev.kobj, KOBJ_CHANGE, envp);
}
kfree(host_buf);
kfree(what_buf);
if(err < 0)
printk(KERN_INFO "[%s] kobject_uevent_env error = %d\n", __func__, err);
return err;
}
static int autok_thread_func(void *data)
{
struct sdio_autok_thread_data *autok_thread_data;
//struct sched_param param = { .sched_priority = 99 };
unsigned int vcore_uv = 0;
struct msdc_host *host;
struct mmc_host *mmc;
char stage = 0;
int i,j;
int res = 0;
int doStg2 = 0;
void __iomem *base;
u32 dma;
struct timeval t0,t1;
int time_in_s, time_in_ms;
// unsigned long flags;
autok_thread_data = (struct sdio_autok_thread_data *)data;
//sched_setscheduler(current, SCHED_FIFO, ¶m);
// preempt_disable();
host = autok_thread_data->host;
mmc = host->mmc;
stage = autok_thread_data->stage;
base = host->base;
dma = msdc_dma_status();
// Inform msdc_set_mclk() auto-K is going to process
sdio_autok_processed = 1;
// Set clock to card max clock
mmc_set_clock(mmc, mmc->ios.clock);
msdc_sdio_set_long_timing_delay_by_freq(host, mmc->ios.clock);
msdc_ungate_clock(host);
// Set PIO mode
msdc_dma_off();
vcore_uv = autok_get_current_vcore_offset();
// End of initialize
do_gettimeofday(&t0);
if(autok_thread_data->log != NULL)
log_info = autok_thread_data->log;
if(stage == 1) {
// call stage 1 auto-K callback function
autok_thread_data->is_autok_done[host->id] = 0;
res = msdc_autok_stg1_cal(host, vcore_uv, autok_thread_data->p_autok_predata);
if(res){
pr_debug("[%s] Auto-K stage 1 fail, res = %d, set msdc parameter settings stored in nvram to 0\n", __func__, res);
memset(autok_thread_data->p_autok_predata->ai_data[0], 0, autok_thread_data->p_autok_predata->param_count * sizeof(unsigned int));
autok_thread_data->is_autok_done[host->id] = 2;
}
// For Abort function
if(atomic_read(&autok_is_abort) == 1){
autok_thread_data->is_autok_done[host->id] = 3;
}
} else if(stage == 2) {
// call stage 2 auto-K callback function
// check if msdc params of different volt are all 0, if so, that means auto-K stg1 failed
for(i=0; i<autok_thread_data->p_autok_predata->vol_count; i++){
for(j=0; j<autok_thread_data->p_autok_predata->param_count; j++){
if(autok_thread_data->p_autok_predata->ai_data[i][j].data.sel != 0){
doStg2 = 1;
break;
}
}
if(doStg2)
break;
}
if(doStg2){
res = msdc_autok_stg2_cal(host, autok_thread_data->p_autok_predata, vcore_uv);
if(res){
pr_debug("[%s] Auto-K stage 2 fail, res = %d, downgrade SDIO freq to 50MHz\n", __func__, res);
mmc->ios.clock = 50*1000*1000;
mmc_set_clock(mmc, mmc->ios.clock);
msdc_sdio_set_long_timing_delay_by_freq(host, mmc->ios.clock);
sdio_autok_processed = 0;
for (i = 0; i < HOST_MAX_NUM; i++) {
if (autok_thread_data->p_autok_progress[i].host_id == -1) {
break;
} else if (autok_thread_data->p_autok_progress[i].host_id == host->id) {
autok_thread_data->p_autok_progress[i].fail = 1;
}
}
}
} else { // Auto-K stg1 failed
pr_debug("[%s] Auto-K stage 1 fail, downgrade SDIO freq to 50MHz\n", __func__);
mmc->ios.clock = 50*1000*1000;
mmc_set_clock(mmc, mmc->ios.clock);
msdc_sdio_set_long_timing_delay_by_freq(host, mmc->ios.clock);
sdio_autok_processed = 0;
for (i = 0; i < HOST_MAX_NUM; i++) {
if (autok_thread_data->p_autok_progress[i].host_id == -1) {
break;
} else if (autok_thread_data->p_autok_progress[i].host_id == host->id) {
autok_thread_data->p_autok_progress[i].fail = 1;
}
}
}
log_info = NULL;
} else {
pr_debug("[%s] stage %d doesn't support in auto-K\n", __func__, stage);
//return -EFAULT;
}
do_gettimeofday(&t1);
if(dma == DMA_ON)
msdc_dma_on();
msdc_gate_clock(host,1);
// [FIXDONE] Tell native module that auto-K has finished
if(stage == 1)
autok_calibration_done(host->id, autok_thread_data);
else if(stage == 2){
for(i=0; i<HOST_MAX_NUM; i++){
if(autok_thread_data->p_autok_progress[i].host_id == -1){
break;
} else if(autok_thread_data->p_autok_progress[i].host_id == host->id){
autok_thread_data->p_autok_progress[i].done = 1;
if(autok_thread_data->p_autok_progress[i].done > 0)
complete(&autok_thread_data->autok_completion[i]);
}
}
}
time_in_s = (t1.tv_sec - t0.tv_sec);
time_in_ms = (t1.tv_usec - t0.tv_usec)>>10;
pr_err("\n[AUTOKK][Stage%d] Timediff is %d.%d(s)\n", (int)stage, time_in_s, time_in_ms );
// preempt_enable();
return 0;
}