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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-23 13:31:18 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-23 15:18:46 +0200
commit2197852371ea390092fcc6b5314a2e669a67e1a2 (patch)
tree6fa02d8a36808c40eb8357c6a0a50b50374ecabe /c/src/lib/libbsp/lm32/shared/milkymist_tmu/tmu.c
parentbsps: Move ATA drivers to bsps (diff)
downloadrtems-2197852371ea390092fcc6b5314a2e669a67e1a2.tar.bz2
bsps/lm32: Move shared drivers to bsps
This patch is a part of the BSP source reorganization. Update #3285.
Diffstat (limited to 'c/src/lib/libbsp/lm32/shared/milkymist_tmu/tmu.c')
-rw-r--r--c/src/lib/libbsp/lm32/shared/milkymist_tmu/tmu.c161
1 files changed, 0 insertions, 161 deletions
diff --git a/c/src/lib/libbsp/lm32/shared/milkymist_tmu/tmu.c b/c/src/lib/libbsp/lm32/shared/milkymist_tmu/tmu.c
deleted file mode 100644
index 10b7b2660c..0000000000
--- a/c/src/lib/libbsp/lm32/shared/milkymist_tmu/tmu.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/* tmu.c
- *
- * Milkymist TMU driver for RTEMS
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- *
- * COPYRIGHT (c) 2010, 2011 Sebastien Bourdeauducq
- */
-
-#define RTEMS_STATUS_CHECKS_USE_PRINTK
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <rtems.h>
-#include <bsp.h>
-#include <bsp/irq-generic.h>
-#include <rtems/libio.h>
-#include <rtems/status-checks.h>
-#include "../include/system_conf.h"
-#include <bsp/milkymist_tmu.h>
-
-#define DEVICE_NAME "/dev/tmu"
-
-static rtems_id done_sem;
-
-static rtems_isr done_handler(rtems_vector_number n)
-{
- rtems_semaphore_release(done_sem);
- lm32_interrupt_ack(1 << MM_IRQ_TMU);
-}
-
-rtems_device_driver tmu_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *arg
-)
-{
- rtems_status_code sc;
- rtems_isr_entry dummy;
-
- sc = rtems_io_register_name(DEVICE_NAME, major, 0);
- RTEMS_CHECK_SC(sc, "create TMU device");
-
- sc = rtems_semaphore_create(
- rtems_build_name('T', 'M', 'U', ' '),
- 0,
- RTEMS_SIMPLE_BINARY_SEMAPHORE,
- 0,
- &done_sem
- );
- RTEMS_CHECK_SC(sc, "create TMU done semaphore");
-
- rtems_interrupt_catch(done_handler, MM_IRQ_TMU, &dummy);
- bsp_interrupt_vector_enable(MM_IRQ_TMU);
-
- return RTEMS_SUCCESSFUL;
-}
-
-static void invalidate_l2(void)
-{
- volatile char *flushbase = (char *)FMLBRG_FLUSH_BASE;
- int i, offset;
-
- offset = 0;
- for (i=0;i<FMLBRG_LINE_COUNT;i++) {
- flushbase[offset] = 0;
- offset += FMLBRG_LINE_LENGTH;
- }
-}
-
-static bool invalidate_after;
-
-static void tmu_start(struct tmu_td *td)
-{
- if (td->invalidate_before)
- invalidate_l2();
-
- MM_WRITE(MM_TMU_HMESHLAST, td->hmeshlast);
- MM_WRITE(MM_TMU_VMESHLAST, td->vmeshlast);
- MM_WRITE(MM_TMU_BRIGHTNESS, td->brightness);
- MM_WRITE(MM_TMU_CHROMAKEY, td->chromakey);
-
- MM_WRITE(MM_TMU_VERTICESADR, (unsigned int)td->vertices);
- MM_WRITE(MM_TMU_TEXFBUF, (unsigned int)td->texfbuf);
- MM_WRITE(MM_TMU_TEXHRES, td->texhres);
- MM_WRITE(MM_TMU_TEXVRES, td->texvres);
- MM_WRITE(MM_TMU_TEXHMASK, td->texhmask);
- MM_WRITE(MM_TMU_TEXVMASK, td->texvmask);
-
- MM_WRITE(MM_TMU_DSTFBUF, (unsigned int)td->dstfbuf);
- MM_WRITE(MM_TMU_DSTHRES, td->dsthres);
- MM_WRITE(MM_TMU_DSTVRES, td->dstvres);
- MM_WRITE(MM_TMU_DSTHOFFSET, td->dsthoffset);
- MM_WRITE(MM_TMU_DSTVOFFSET, td->dstvoffset);
- MM_WRITE(MM_TMU_DSTSQUAREW, td->dstsquarew);
- MM_WRITE(MM_TMU_DSTSQUAREH, td->dstsquareh);
-
- MM_WRITE(MM_TMU_ALPHA, td->alpha);
-
- MM_WRITE(MM_TMU_CTL, td->flags|TMU_CTL_START);
-
- invalidate_after = td->invalidate_after;
-}
-
-static rtems_status_code tmu_finalize(void)
-{
- rtems_status_code sc;
-
- sc = rtems_semaphore_obtain(done_sem, RTEMS_WAIT, 100);
- if (sc != RTEMS_SUCCESSFUL)
- return sc;
-
- if (invalidate_after) {
- invalidate_l2();
- __asm__ volatile( /* Invalidate Level-1 data cache */
- "wcsr DCC, r0\n"
- "nop\n"
- );
- }
-
- return RTEMS_SUCCESSFUL;
-}
-
-rtems_device_driver tmu_control(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *arg
-)
-{
- rtems_libio_ioctl_args_t *args = arg;
- struct tmu_td *td = (struct tmu_td *)args->buffer;
- rtems_status_code sc;
-
- switch (args->command) {
- case TMU_EXECUTE:
- tmu_start(td);
- sc = tmu_finalize();
- break;
- case TMU_EXECUTE_NONBLOCK:
- tmu_start(td);
- sc = RTEMS_SUCCESSFUL;
- break;
- case TMU_EXECUTE_WAIT:
- sc = tmu_finalize();
- break;
- default:
- sc = RTEMS_UNSATISFIED;
- break;
- }
-
- if (sc == RTEMS_SUCCESSFUL)
- args->ioctl_return = 0;
- else
- args->ioctl_return = -1;
-
- return sc;
-}