int am335_init(void)
{
int i;
/*
* Each interrupt has a priority register associated with it
* 8 bits... only 7:6:5:4 are available for SA
* out of the 16 levels here... using a priority grouping
* these 4 bits can be further split into preempt priority
* and subpriority fields
*/
scr_enable_sleepdeep();
scr_enable_sleeponexit();
/* Disable all the external interrupts */
for (i=0; i < CM3_NUM_EXT_INTERRUPTS; i++)
nvic_disable_irq(i);
/* Disable Tamper swakeup, a new addition for AM43XX SOCs */
if (soc_id == AM43XX_SOC_ID)
nvic_disable_irq(CM3_IRQ_TPM_WAKE);
/* Clean the IPC registers */
m3_param_reset();
trace_init();
pm_reset();
setup_soc();
/* Enable only the MBX IRQ */
nvic_enable_irq(CM3_IRQ_MBINT0);
nvic_enable_irq(53);
m3_firmware_version();
/* TODO: Enable PRCM_INT2 with a dummy handler */
/* Notify A8 of init completion */
a8_notify(CMD_STAT_PASS);
/* Ok we are done here */
return 0;
}
int main(int argc, char **argv)
{
stm_display_plane_t *pPlane;
stm_display_buffer_t buffer_setup;
char *fbuffer;
void *fbufferphys;
interrupt_t *vsync_interrupt=0;
interrupt_t *hdmi_interrupt=0;
int err;
int seconds;
int clip;
int rgb;
int dvi;
stm_plane_id_t planeid;
osclock_t lasttime;
kernel_initialize(NULL);
kernel_start();
kernel_timeslice(OS21_TRUE);
framerate_sem = semaphore_create_fifo(0);
frameupdate_sem = semaphore_create_fifo(0);
hotplug_sem = semaphore_create_fifo(0);
task_create(displayupdate_task_fn, 0, OS21_DEF_MIN_STACK_SIZE, MAX_USER_PRIORITY, "displayupdate", 0);
pDev = stm_display_get_device(0);
if(!pDev)
{
printf("Unable to create device instance\n");
return 1;
}
if(argc<2)
usage();
argc--;
argv++;
seconds = 60;
rgb = 0;
dvi = 0;
clip = 0;
while(argc>0)
{
switch(**argv)
{
case 'C':
{
printf("Clipping video signal selected\n");
clip = 1;
break;
}
case 'd':
{
printf("Setting DVI mode on HDMI output\n");
dvi = 1;
break;
}
case 'h':
{
int refresh;
argc--;
argv++;
if(argc <= 0)
{
fprintf(stderr,"Missing HD vertical refresh frequency\n");
usage();
}
refresh = atoi(*argv);
switch(refresh)
{
case 50:
printf("Setting 1280x720-50\n");
MODE = STVTG_TIMING_MODE_720P50000_74250;
STANDARD = STM_OUTPUT_STD_SMPTE296M;
framerate = 50;
break;
case 59:
printf("Setting 1280x720-59\n");
MODE = STVTG_TIMING_MODE_720P59940_74176;
STANDARD = STM_OUTPUT_STD_SMPTE296M;
framerate = 60;
break;
case 60:
printf("Setting 1280x720-60\n");
MODE = STVTG_TIMING_MODE_720P60000_74250;
STANDARD = STM_OUTPUT_STD_SMPTE296M;
framerate = 60;
break;
default:
fprintf(stderr,"Unsupported HD vertical refresh frequency\n");
usage();
}
break;
}
case 'r':
{
printf("Setting Component RGB Outputs\n");
rgb = 1;
break;
}
case 'p':
{
int refresh;
argc--;
argv++;
if(argc <= 0)
{
fprintf(stderr,"Missing 1080p vertical refresh frequency\n");
usage();
}
refresh = atoi(*argv);
switch(refresh)
{
case 23:
printf("Setting 1920x1080-23\n");
MODE = STVTG_TIMING_MODE_1080P23976_74176;
STANDARD = STM_OUTPUT_STD_SMPTE274M;
framerate = 24;
break;
case 24:
printf("Setting 1920x1080-24\n");
MODE = STVTG_TIMING_MODE_1080P24000_74250;
STANDARD = STM_OUTPUT_STD_SMPTE274M;
framerate = 24;
break;
case 25:
printf("Setting 1920x1080-25\n");
MODE = STVTG_TIMING_MODE_1080P25000_74250;
STANDARD = STM_OUTPUT_STD_SMPTE274M;
framerate = 25;
break;
case 29:
printf("Setting 1920x1080-29\n");
MODE = STVTG_TIMING_MODE_1080P29970_74176;
STANDARD = STM_OUTPUT_STD_SMPTE274M;
framerate = 30;
break;
case 30:
printf("Setting 1920x1080-30\n");
MODE = STVTG_TIMING_MODE_1080P30000_74250;
STANDARD = STM_OUTPUT_STD_SMPTE274M;
framerate = 30;
break;
case 50:
printf("Setting 1920x1080-50\n");
MODE = STVTG_TIMING_MODE_1080P50000_148500;
STANDARD = STM_OUTPUT_STD_SMPTE274M;
framerate = 50;
break;
case 59:
printf("Setting 1920x1080-59\n");
MODE = STVTG_TIMING_MODE_1080P59940_148352;
STANDARD = STM_OUTPUT_STD_SMPTE274M;
framerate = 60;
break;
case 60:
printf("Setting 1920x1080-60\n");
MODE = STVTG_TIMING_MODE_1080P60000_148500;
STANDARD = STM_OUTPUT_STD_SMPTE274M;
framerate = 60;
break;
default:
fprintf(stderr,"Unsupported HD vertical refresh frequency\n");
usage();
}
break;
}
case 's':
{
int refresh;
argc--;
argv++;
if(argc <= 0)
{
fprintf(stderr,"Missing SD vertical refresh frequency\n");
usage();
}
refresh = atoi(*argv);
switch(refresh)
{
case 50:
printf("Setting 720x576-50\n");
MODE = STVTG_TIMING_MODE_576P50000_27000;
STANDARD = STM_OUTPUT_STD_SMPTE293M;
framerate = 50;
break;
case 59:
printf("Setting 720x480-59\n");
MODE = STVTG_TIMING_MODE_480P59940_27000;
STANDARD = STM_OUTPUT_STD_SMPTE293M;
framerate = 60;
break;
case 60:
printf("Setting 720x480-60\n");
MODE = STVTG_TIMING_MODE_480P60000_27027;
STANDARD = STM_OUTPUT_STD_SMPTE293M;
framerate = 60;
break;
default:
fprintf(stderr,"Unsupported SD vertical refresh frequency\n");
usage();
}
break;
}
case 't':
{
argc--;
argv++;
if(argc <= 0)
{
fprintf(stderr,"Missing seconds\n");
usage();
}
seconds = atoi(*argv);
if(seconds<0)
usage();
break;
}
case 'v':
{
int refresh;
argc--;
argv++;
if(argc <= 0)
{
fprintf(stderr,"Missing vertical refresh frequency\n");
usage();
}
refresh = atoi(*argv);
switch(refresh)
{
case 59:
printf("Setting 640x480-59\n");
MODE = STVTG_TIMING_MODE_480P59940_25180;
STANDARD = STM_OUTPUT_STD_VESA;
framerate = 60;
break;
case 60:
printf("Setting 640x480-60\n");
MODE = STVTG_TIMING_MODE_480P60000_25200;
STANDARD = STM_OUTPUT_STD_VESA;
framerate = 60;
break;
default:
fprintf(stderr,"Unsupported vertical refresh frequency\n");
usage();
}
break;
}
default:
fprintf(stderr,"Unknown option '%s'\n",*argv);
usage();
}
argc--;
argv++;
}
planeid = OUTPUT_GDP1;
vsync_interrupt = get_main_vtg_interrupt();
setup_soc();
if(!vsync_interrupt)
{
printf("Cannot find VSYNC interrupt handler\n");
return 1;
}
err = interrupt_install(vsync_interrupt, vsync_isr, pDev);
err += interrupt_enable(vsync_interrupt);
if(err>0)
{
printf("Unable to install and enable VSYNC interrupt\n");
return 1;
}
fbuffer = (char *)malloc(FBSIZE);
if(!fbuffer)
{
printf("Unable to allocate framebuffer\n");
return 1;
}
memset(fbuffer, 0x00, FBSIZE);
create_test_pattern(fbuffer, FBWIDTH, FBHEIGHT, FBSTRIDE);
cache_purge_data(fbuffer, FBSIZE);
pOutput = stm_display_get_output(pDev, 0);
if(!pOutput)
{
printf("Unable to get output\n");
return 1;
}
setup_analogue_voltages(pOutput);
stm_display_output_set_control(pOutput, STM_CTRL_SIGNAL_RANGE, clip?STM_SIGNAL_VIDEO_RANGE:STM_SIGNAL_FILTER_SAV_EAV);
pDVO = get_dvo_output(pDev);
{
pHDMI = get_hdmi_output(pDev);
if(pHDMI)
{
/*
* Now we have a HDMI output pointer to handle hotplug interrupts,
* we can enable the interrupt handlers.
*/
hdmi_interrupt = get_hdmi_interrupt();
if(hdmi_interrupt)
{
err = interrupt_install(hdmi_interrupt, hdmi_isr, pHDMI);
err += interrupt_enable(hdmi_interrupt);
}
if(err>0)
{
printf("Unable to install and enable hdmi interrupts\n");
return 1;
}
stm_display_output_set_control(pHDMI, STM_CTRL_SIGNAL_RANGE, clip?STM_SIGNAL_VIDEO_RANGE:STM_SIGNAL_FILTER_SAV_EAV);
}
else
{
printf("Hmmm, no HDMI output available\n");
}
}
pModeLine = stm_display_output_get_display_mode(pOutput, MODE);
if(!pModeLine)
{
printf("Unable to use requested display mode\n");
return 1;
}
pPlane = stm_display_get_plane(pDev, planeid);
if(!pPlane)
{
printf("Unable to get graphics plane\n");
return 1;
}
if(stm_display_plane_connect_to_output(pPlane, pOutput)<0)
{
printf("Unable to display plane on output\n");
return 1;
}
if(stm_display_plane_lock(pPlane)<0)
{
printf("Unable to lock plane's buffer queue\n");
return 1;
}
memset(&buffer_setup, 0, sizeof(buffer_setup));
vmem_virt_to_phys(fbuffer, &fbufferphys);
buffer_setup.src.ulVideoBufferAddr = (ULONG)fbufferphys;
buffer_setup.src.ulVideoBufferSize = FBSIZE;
buffer_setup.src.ulStride = FBSTRIDE;
buffer_setup.src.ulPixelDepth = FBDEPTH;
buffer_setup.src.ulColorFmt = FBPIXFMT;
buffer_setup.src.Rect.width = FBWIDTH;
buffer_setup.src.Rect.height = FBHEIGHT;
buffer_setup.dst.Rect.width = FBWIDTH;
buffer_setup.dst.Rect.height = FBHEIGHT;
buffer_setup.info.ulFlags = STM_PLANE_PRESENTATION_PERSISTENT;
printf("Clock is running at %ld ticks per second\n",(long)time_ticks_per_sec());
ULONG format=0;
format = rgb?STM_VIDEO_OUT_RGB:STM_VIDEO_OUT_YUV;
stm_display_output_set_control(pOutput, STM_CTRL_VIDEO_OUT_SELECT, format);
if(pHDMI)
{
ULONG format = 0;
format |= rgb?STM_VIDEO_OUT_RGB:STM_VIDEO_OUT_YUV;
format |= dvi?STM_VIDEO_OUT_DVI:STM_VIDEO_OUT_HDMI;
stm_display_output_set_control(pHDMI, STM_CTRL_VIDEO_OUT_SELECT, format);
}
if(stm_display_output_start(pOutput, pModeLine, STANDARD)<0)
{
printf("Unable to start display\n");
return 1;
}
if(pDVO)
{
printf("Info: Attempting to start DVO\n");
if(stm_display_output_start(pDVO, pModeLine, STANDARD)<0)
{
printf("Info: Unable to start DVO\n");
}
}
lasttime = time_now(); // VTG Start time (approx)
if(stm_display_plane_queue_buffer(pPlane, &buffer_setup)<0)
{
printf("Unable to queue framebuffer for display on graphics plane\n");
return 1;
}
task_create(hotplug_task_fn, 0, OS21_DEF_MIN_STACK_SIZE, MIN_USER_PRIORITY, "hotplug", 0);
if(seconds == 0)
{
task_delay(time_ticks_per_sec()*5);
task_priority_set(NULL,MIN_USER_PRIORITY);
silent_hotplug = 1;
err = get_yesno();
}
else
{
while(seconds>0)
{
osclock_t now,delta;
semaphore_wait(framerate_sem);
now = time_now();
delta = time_minus(now,lasttime);
printf("%d frames took %ld ticks.\n",framerate, (long)delta);
lasttime = now;
seconds--;
}
err = 0;
}
stm_display_plane_flush(pPlane);
stm_display_plane_disconnect_from_output(pPlane, pOutput);
stm_display_output_stop(pOutput);
interrupt_disable(vsync_interrupt);
interrupt_disable(hdmi_interrupt);
stm_display_plane_release(pPlane);
if(pDVO)
stm_display_output_release(pDVO);
if(pHDMI)
stm_display_output_release(pHDMI);
stm_display_output_release(pOutput);
stm_display_release_device(pDev);
return err;
}