void process_uart_rx_fifo()
{
if(fifo_get_size(&uart_rx_fifo) >= COMMAND_SIZE)
{
uint8_t received_cmd[COMMAND_SIZE];
fifo_pop(&uart_rx_fifo, received_cmd, COMMAND_SIZE);
if(strncmp(received_cmd, COMMAND_CHAN, COMMAND_SIZE) == 0)
{
process_command_chan();
}
else if(strncmp(received_cmd, COMMAND_LOOP, COMMAND_SIZE) == 0)
{
process_command_loop();
}
else if(strncmp(received_cmd, COMMAND_RSET, COMMAND_SIZE) == 0)
{
hw_reset();
}
else
{
char err[40];
snprintf(err, sizeof(err), "ERROR invalid command %.4s\n", received_cmd);
console_print(err);
}
fifo_clear(&uart_rx_fifo);
}
}
void emu_reset()
{
hw_reset();
lcd_reset();
cpu_reset();
mbc_reset();
sound_reset();
}
static ssize_t hw_reset_set(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int rc;
struct fpc1145_data *fpc1145 = dev_get_drvdata(dev);
if (!strncmp(buf, "reset", strlen("reset")))
rc = hw_reset(fpc1145);
else
return -EINVAL;
return rc ? rc : count;
}
void emu_reset()
{
sram_save();
rtc_save();
hw_reset();
lcd_reset();
cpu_reset();
mbc_reset();
sound_reset();
init = 0;
}
static void process_uart_rx_fifo()
{
if(fifo_get_size(&uart_rx_fifo) >= COMMAND_SIZE)
{
uint8_t received_cmd[COMMAND_SIZE];
fifo_pop(&uart_rx_fifo, received_cmd, COMMAND_SIZE);
if(strncmp(received_cmd, COMMAND_CHAN, COMMAND_SIZE) == 0)
{
process_command_chan();
}
else if(strncmp(received_cmd, COMMAND_TRAN, COMMAND_SIZE) == 0)
{
while(fifo_get_size(&uart_rx_fifo) < COMMAND_TRAN_PARAM_SIZE);
char param[COMMAND_TRAN_PARAM_SIZE];
fifo_pop(&uart_rx_fifo, param, COMMAND_TRAN_PARAM_SIZE);
tx_packet_delay_s = atoi(param);
DPRINT("performing TRAN command with %d tx_packet_delay_s\r\n",
tx_packet_delay_s);
stop();
is_mode_rx = false;
current_state = STATE_RUNNING;
sched_post_task(&start);
}
else if(strncmp(received_cmd, COMMAND_RECV, COMMAND_SIZE) == 0)
{
DPRINT("entering RECV mode\r\n");
stop();
is_mode_rx = true;
current_state = STATE_RUNNING;
sched_post_task(&start);
}
else if(strncmp(received_cmd, COMMAND_RSET, COMMAND_SIZE) == 0)
{
DPRINT("resetting...\r\n");
hw_reset();
}
else
{
char err[40];
DPRINT("ERROR invalid command %.4s\n\r", received_cmd);
}
fifo_clear(&uart_rx_fifo);
}
timer_post_task_delay(&process_uart_rx_fifo, TIMER_TICKS_PER_SEC);
}
void emu_reset()
{
hw_reset();
lcd_reset();
cpu_reset();
mbc_reset();
sound_reset();
ccmpl_reset();
//cop_stop_draw();
#ifdef DEBUG
debug_file = fopen("/out", "w+");
if(!debug_file) die("no debugging possible... I better die");
if(lcd_file) close(lcd_file);
#endif
}
static void process_shell_cmd(char cmd)
{
switch(cmd)
{
case 'E':
echo = ! echo;
if(echo) { console_print("echo is on\r\n"); }
else { console_print("echo is off\r\n"); }
break;
case 'R':
hw_reset();
break;
default:
// TODO log
break;
}
}
static void process_uart_rx_fifo()
{
if(fifo_get_size(&uart_rx_fifo) >= COMMAND_SIZE)
{
uint8_t received_cmd[COMMAND_SIZE];
fifo_pop(&uart_rx_fifo, received_cmd, COMMAND_SIZE);
if(strncmp(received_cmd, COMMAND_CHAN, COMMAND_SIZE) == 0)
{
process_command_chan();
}
else if(strncmp(received_cmd, COMMAND_TRAN, COMMAND_SIZE) == 0)
{
while(fifo_get_size(&uart_rx_fifo) < COMMAND_TRAN_PARAM_SIZE);
char param[COMMAND_TRAN_PARAM_SIZE];
fifo_pop(&uart_rx_fifo, param, COMMAND_TRAN_PARAM_SIZE);
tx_packet_delay_s = atoi(param);
stop();
is_mode_rx = false;
current_state = STATE_RUNNING;
sched_post_task(&start);
}
else if(strncmp(received_cmd, COMMAND_RECV, COMMAND_SIZE) == 0)
{
stop();
is_mode_rx = true;
current_state = STATE_RUNNING;
sched_post_task(&start);
}
else if(strncmp(received_cmd, COMMAND_RSET, COMMAND_SIZE) == 0)
{
hw_reset();
}
else
{
char err[40];
snprintf(err, sizeof(err), "ERROR invalid command %.4s\n", received_cmd);
uart_transmit_string(err);
}
fifo_clear(&uart_rx_fifo);
}
timer_post_task_delay(&process_uart_rx_fifo, TIMER_TICKS_PER_SEC);
}
//we override __assert_func to flash the leds (so we know something bad has happend)
//and to repeat the error message repeatedly (so we have a chance to attach the device to a serial console before the error message is gone)
void __assert_func( const char *file, int line, const char *func, const char *failedexpr)
{
#if defined FRAMEWORK_DEBUG_ASSERT_REBOOT // make sure this parameter is used also when including assert.h instead of debug.h
hw_reset();
#endif
start_atomic();
led_on(0);
led_on(1);
#ifdef PLATFORM_USE_USB_CDC
// Dissable all IRQs except the one for USB
for(uint32_t j=0;j < EMU_IRQn; j++)
NVIC_DisableIRQ(j);
NVIC_EnableIRQ( USB_IRQn );
end_atomic();
#endif
lcd_clear();
lcd_write_string("ERROR");
lcd_write_number(timer_get_counter_value());
__asm__("BKPT"); // break into debugger
while(1)
{
printf("assertion \"%s\" failed: file \"%s\", line %d%s%s\n",failedexpr, file, line, func ? ", function: " : "", func ? func : "");
for(uint32_t j = 0; j < 20; j++)
{
//blink at twice the frequency of the _exit call, so we can identify which of the two events has occurred
for(uint32_t i = 0; i < 0xFFFFF; i++){}
led_toggle(0);
led_toggle(1);
}
}
end_atomic();
}
/*
This should be the FOURTH function to call.
It simply resets the hardware engine.
*/
int ti68k_reset(void)
{
hw_reset();
return 0;
}
static void tc3162_machine_power_off(void)
{
printk("Machine poweroff ... \n");
hw_reset();
while (1);
}
static void tc3162_machine_halt(void)
{
printk("Machine halted ... \n");
hw_reset();
while (1);
}
static void tc3162_machine_restart(char *command)
{
printk("Machine restart ... \n");
hw_reset();
back_to_prom();
}
/*
*
* Function Name: DSI_PowerControl
*
* Description: Display Module Control
*
*/
Int32 DSI_PowerControl(
DISPDRV_HANDLE_T drvH,
DISPLAY_POWER_STATE_T state)
{
Int32 res = 0;
DispDrv_PANEL_t *pPanel = (DispDrv_PANEL_t *)drvH;
DISPDRV_INFO_T *info = pPanel->disp_info;
switch (state) {
case CTRL_PWR_ON:
switch (pPanel->pwrState) {
case STATE_PWR_OFF:
res = regulator_enable(disp_reg);
if (res < 0) {
DSI_ERR("Couldn't enable regulator, res=%ld\n",
res);
res = -1;
break;
}
usleep_range(1000, 1010);
#ifdef CONFIG_LCD_LOW_TEMP_CONVERSION
if( -50 > get_temp_from_ps_battery())
DSI_ExecCmndList(pPanel, info->init_lowtemp_seq);
else
#endif
DSI_ExecCmndList(pPanel, info->init_seq);
DSI_WinSet(drvH, TRUE, &pPanel->win_dim);
pPanel->pwrState = STATE_SCREEN_OFF;
DSI_INFO("INIT-SEQ\n");
break;
default:
DSI_ERR("POWER ON req While Not In POWER DOWN State\n");
break;
}
break;
case CTRL_PWR_OFF:
if (pPanel->pwrState != STATE_PWR_OFF) {
if (info->vmode && info->vid_cmnds)
DSI_panel_shut_down(pPanel);
else
DSI_ExecCmndList(pPanel, info->scrn_off_seq);
DSI_ExecCmndList(pPanel, info->slp_in_seq);
res = regulator_disable(disp_reg);
if (res < 0) {
DSI_ERR("Couldn't disable regulator, res=%ld\n",
res);
res = -1;
break;
}
hw_reset(drvH, TRUE);
memset(&pPanel->win_cur, 0, sizeof(DISPDRV_WIN_t));
pPanel->pwrState = STATE_PWR_OFF;
DSI_INFO("PWR DOWN\n");
}
break;
case CTRL_SLEEP_IN:
switch (pPanel->pwrState) {
case STATE_SCREEN_ON:
if (info->vmode && info->vid_cmnds)
DSI_panel_shut_down(pPanel);
else
DSI_ExecCmndList(pPanel, info->scrn_off_seq);
/* Turn OFF and sleep in */
case STATE_SCREEN_OFF:
DSI_ExecCmndList(pPanel, info->slp_in_seq);
pPanel->pwrState = STATE_SLEEP;
break;
default:
DSI_ERR("SLEEP Req, But Not In DISP ON|OFF State\n");
break;
}
break;
case CTRL_SLEEP_OUT:
switch (pPanel->pwrState) {
case STATE_SLEEP:
DSI_ExecCmndList(pPanel, info->slp_out_seq);
pPanel->pwrState = STATE_SCREEN_OFF;
DSI_INFO("SLEEP-OUT\n");
break;
default:
DSI_ERR("SLEEP-OUT Req While Not In SLEEP State\n");
break;
}
break;
case CTRL_SCREEN_ON:
switch (pPanel->pwrState) {
case STATE_SCREEN_OFF:
if (info->vmode && info->vid_cmnds)
DSI_panel_turn_on(pPanel);
else
DSI_ExecCmndList(pPanel, info->scrn_on_seq);
pPanel->pwrState = STATE_SCREEN_ON;
DSI_INFO("SCREEN ON\n");
break;
default:
DSI_ERR("SCRN ON Req While Not In SCRN OFF State\n");
break;
}
break;
case CTRL_SCREEN_OFF:
switch (pPanel->pwrState) {
case STATE_SCREEN_ON:
if (info->vmode && info->vid_cmnds)
DSI_panel_shut_down(pPanel);
else
DSI_ExecCmndList(pPanel, info->scrn_off_seq);
pPanel->pwrState = STATE_SCREEN_OFF;
DSI_INFO("SCREEN OFF\n");
break;
default:
DSI_ERR("SCRN OFF Req While Not In SCRN ON State\n");
break;
}
break;
default:
DSI_ERR("Invalid Power State[%d] Requested\n", state);
res = -1;
break;
}
return res;
}
/*
*
* Function Name: DSI_Open
*
* Description: disp bus ON
*
*/
Int32 DSI_Open(DISPDRV_HANDLE_T drvH)
{
Int32 res = 0;
DispDrv_PANEL_t *pPanel;
pPanel = (DispDrv_PANEL_t *) drvH;
DSI_INFO("enter\n");
if (pPanel->drvState != DRV_STATE_INIT) {
DSI_ERR("ERROR State != Init\n");
return -1;
}
if (brcm_enable_dsi_pll_clocks(pPanel->busNo,
pPanel->dsi_cfg->hsBitClk.clkIn_MHz * 1000000,
pPanel->dsi_cfg->hsBitClk.clkInDiv,
pPanel->disp_info->desense_offset,
pPanel->dsi_cfg->escClk.clkIn_MHz * 1000000
/ pPanel->dsi_cfg->escClk.clkInDiv)) {
DSI_ERR("ERROR enabling clock\n");
}
if (pPanel->isTE && DSI_TeOn(pPanel) == -1) {
DSI_ERR("Failed to Configure TE Input\n");
goto err_te_on;
}
if (CSL_DSI_Init(pPanel->dsi_cfg) != CSL_LCD_OK) {
DSI_ERR("DSI CSL Init Failed\n");
goto err_dsi_init;
}
if (CSL_DSI_OpenClient(pPanel->busNo, &pPanel->clientH) != CSL_LCD_OK) {
DSI_ERR("CSL_DSI_OpenClient Failed\n");
goto err_dsi_open_cl;
}
if (CSL_DSI_OpenCmVc(pPanel->clientH,
pPanel->cmnd_mode, &pPanel->dsiCmVcHandle) != CSL_LCD_OK) {
DSI_ERR("CSL_DSI_OpenCmVc Failed\n");
goto err_dsi_open_cm;
}
if (!pPanel->dsi_cfg->dispEngine && pPanel->dsi_cfg->pixTxporter) {
DSI_ERR("Cannot transfer pixels via MMDMA to DispEngine 0.");
DSI_ERR("Default to Display Engine 1\n");
pPanel->dsi_cfg->dispEngine = 1;
}
if (pPanel->dsi_cfg->dispEngine && pPanel->dsi_cfg->pixTxporter) {
if (csl_dma_vc4lite_init() != DMA_VC4LITE_STATUS_SUCCESS) {
DSI_ERR("csl_dma_vc4lite_init Failed\n");
goto err_dma_init;
}
}
if (!disp_reg) {
/*CAM2 LDO */
disp_reg = regulator_get(NULL, pPanel->disp_info->reg_name);
if (IS_ERR_OR_NULL(disp_reg)) {
DSI_ERR("Failed to get disp_reg\n");
goto err_reg_init;
}
if (g_display_enabled)
regulator_enable(disp_reg); /* Turn ON disp_reg to increase use count */
}
res = gpio_request(pPanel->disp_info->rst->gpio, "LCD_RST");
if (res < 0) {
DSI_ERR("gpio_request failed %ld\n", res);
goto err_gpio_request;
}
if (!g_display_enabled)
hw_reset(drvH, FALSE);
#if 0 // SS & DS not used
if (DSI_ReadPanelID(pPanel) < 0) {
DSI_ERR("ID read failed\n");
goto err_id_read;
}
#endif
pPanel->win_dim.l = 0;
pPanel->win_dim.r = pPanel->disp_info->width-1;
pPanel->win_dim.t = 0;
pPanel->win_dim.b = pPanel->disp_info->height-1;
pPanel->win_dim.w = pPanel->disp_info->width;
pPanel->win_dim.h = pPanel->disp_info->height;
pPanel->drvState = DRV_STATE_OPEN;
DSI_INFO("OK\n");
return res;
#if 0
err_id_read:
gpio_free(pPanel->disp_info->rst->gpio);
#endif
err_gpio_request:
err_reg_init:
err_dma_init:
CSL_DSI_CloseCmVc(pPanel->dsiCmVcHandle);
err_dsi_open_cm:
CSL_DSI_CloseClient(pPanel->clientH);
err_dsi_open_cl:
CSL_DSI_Close(pPanel->busNo);
err_dsi_init:
if (pPanel->isTE)
DSI_TeOff(pPanel);
err_te_on:
return -1;
}