mirror of
https://github.com/apache/nuttx.git
synced 2026-06-06 08:36:24 +08:00
Broke out DMA to use the modern Nuttx chip inclusion - still STUBS
This commit is contained in:
David Sidrane
@@ -131,6 +131,10 @@ ifeq ($(CONFIG_PWM),y)
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CHIP_CSRCS += kinetis_pwm.c
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endif
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ifeq ($(CONFIG_PWM),y)
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CHIP_CSRCS += kinetis_dma.c
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endif
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ifeq ($(CONFIG_I2C),y)
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CHIP_CSRCS += kinetis_i2c.c
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endif
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@@ -305,40 +305,6 @@
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#define PIN30 (30 << _PIN_SHIFT)
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#define PIN31 (31 << _PIN_SHIFT)
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/************************************************************************************
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* Public Types
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************************************************************************************/
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typedef FAR void *DMA_HANDLE;
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typedef void (*dma_callback_t)(DMA_HANDLE handle, void *arg, int result);
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/* The following is used for sampling DMA registers when CONFIG DEBUG_DMA is selected */
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#ifdef CONFIG_DEBUG_DMA
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struct kinetis_dmaglobalregs_s
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{
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#warning "Missing logic"
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/* Global Registers */
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};
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struct kinetis_dmachanregs_s
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{
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#warning "Missing logic"
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/* Channel Registers */
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};
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struct kinetis_dmaregs_s
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{
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/* Global Registers */
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struct kinetis_dmaglobalregs_s gbl;
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/* Channel Registers */
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struct kinetis_dmachanregs_s ch;
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};
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#endif
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/************************************************************************************
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* Inline Functions
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************************************************************************************/
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@@ -583,129 +549,6 @@ void kinetis_pindump(uint32_t pinset, const char *msg);
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void kinetis_clrpend(int irq);
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/****************************************************************************
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* Name: kinetis_dmainitialize
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*
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* Description:
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* Initialize the GPDMA subsystem.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#ifdef CONFIG_KINETIS_DMA
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void kinetis_dmainitilaize(void);
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#endif
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/****************************************************************************
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* Name: kinetis_dmachannel
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*
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* Description:
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* Allocate a DMA channel. This function sets aside a DMA channel and
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* gives the caller exclusive access to the DMA channel.
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*
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* Returned Value:
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* One success, this function returns a non-NULL, void* DMA channel
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* handle. NULL is returned on any failure. This function can fail only
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* if no DMA channel is available.
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*
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****************************************************************************/
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#ifdef CONFIG_KINETIS_DMA
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DMA_HANDLE kinetis_dmachannel(void);
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#endif
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/****************************************************************************
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* Name: kinetis_dmafree
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*
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* Description:
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* Release a DMA channel. NOTE: The 'handle' used in this argument must
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* NEVER be used again until kinetis_dmachannel() is called again to re-gain
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* a valid handle.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#ifdef CONFIG_KINETIS_DMA
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void kinetis_dmafree(DMA_HANDLE handle);
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#endif
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/****************************************************************************
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* Name: kinetis_dmasetup
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*
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* Description:
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* Configure DMA for one transfer.
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*
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****************************************************************************/
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#ifdef CONFIG_KINETIS_DMA
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int kinetis_dmarxsetup(DMA_HANDLE handle, uint32_t control, uint32_t config,
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uint32_t srcaddr, uint32_t destaddr, size_t nbytes);
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#endif
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/****************************************************************************
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* Name: kinetis_dmastart
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*
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* Description:
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* Start the DMA transfer
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*
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****************************************************************************/
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#ifdef CONFIG_KINETIS_DMA
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int kinetis_dmastart(DMA_HANDLE handle, dma_callback_t callback, void *arg);
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#endif
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/****************************************************************************
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* Name: kinetis_dmastop
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*
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* Description:
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* Cancel the DMA. After kinetis_dmastop() is called, the DMA channel is
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* reset and kinetis_dmasetup() must be called before kinetis_dmastart() can be
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* called again
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*
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****************************************************************************/
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#ifdef CONFIG_KINETIS_DMA
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void kinetis_dmastop(DMA_HANDLE handle);
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#endif
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/****************************************************************************
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* Name: kinetis_dmasample
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*
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* Description:
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* Sample DMA register contents
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*
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****************************************************************************/
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#ifdef CONFIG_KINETIS_DMA
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#ifdef CONFIG_DEBUG_DMA
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void kinetis_dmasample(DMA_HANDLE handle, struct kinetis_dmaregs_s *regs);
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#else
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# define kinetis_dmasample(handle,regs)
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#endif
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#endif
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/****************************************************************************
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* Name: kinetis_dmadump
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*
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* Description:
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* Dump previously sampled DMA register contents
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*
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****************************************************************************/
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#ifdef CONFIG_KINETIS_DMA
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#ifdef CONFIG_DEBUG_DMA
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void kinetis_dmadump(DMA_HANDLE handle, const struct kinetis_dmaregs_s *regs,
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const char *msg);
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#else
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# define kinetis_dmadump(handle,regs,msg)
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#endif
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#endif
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/****************************************************************************
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* Name: sdhc_initialize
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*
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@@ -0,0 +1,199 @@
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/****************************************************************************
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* arch/arm/src/kinetis/kinetis_dma.c
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Authors: Gregory Nutt <gnutt@nuttx.org>
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* David Sidrane <david_s5@nscdg.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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||||
* are met:
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||||
*
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
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||||
* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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||||
* without specific prior written permission.
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||||
*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <debug.h>
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#include <arch/board/board.h>
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#include "up_arch.h"
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#include "up_internal.h"
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#include "kinetis_config.h"
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#include "chip.h"
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#include "kinetis_dma.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: kinetis_dmainitialize
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*
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* Description:
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* Initialize the DMA subsystem.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void kinetis_dmainitilaize(void)
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{
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}
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/****************************************************************************
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* Name: kinetis_dmachannel
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*
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* Description:
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* Allocate a DMA channel. This function sets aside a DMA channel and
|
||||
* gives the caller exclusive access to the DMA channel.
|
||||
*
|
||||
* Returned Value:
|
||||
* One success, this function returns a non-NULL, void* DMA channel
|
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* handle. NULL is returned on any failure. This function can fail only
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* if no DMA channel is available.
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*
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****************************************************************************/
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DMA_HANDLE kinetis_dmachannel(void)
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{
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return NULL;
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}
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/****************************************************************************
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* Name: kinetis_dmafree
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*
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* Description:
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* Release a DMA channel. NOTE: The 'handle' used in this argument must
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* NEVER be used again until kinetis_dmachannel() is called again to re-gain
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* a valid handle.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void kinetis_dmafree(DMA_HANDLE handle)
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{
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}
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/****************************************************************************
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* Name: kinetis_dmasetup
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*
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* Description:
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* Configure DMA for one transfer.
|
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*
|
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****************************************************************************/
|
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int kinetis_dmarxsetup(DMA_HANDLE handle, uint32_t control, uint32_t config,
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uint32_t srcaddr, uint32_t destaddr, size_t nbytes)
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{
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return -1;
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}
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/****************************************************************************
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* Name: kinetis_dmastart
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*
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* Description:
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* Start the DMA transfer
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*
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****************************************************************************/
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int kinetis_dmastart(DMA_HANDLE handle, dma_callback_t callback, void *arg)
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{
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return -1;
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}
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/****************************************************************************
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* Name: kinetis_dmastop
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*
|
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* Description:
|
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* Cancel the DMA. After kinetis_dmastop() is called, the DMA channel is
|
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* reset and kinetis_dmasetup() must be called before kinetis_dmastart() can be
|
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* called again
|
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*
|
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****************************************************************************/
|
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void kinetis_dmastop(DMA_HANDLE handle)
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{
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}
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|
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/****************************************************************************
|
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* Name: kinetis_dmasample
|
||||
*
|
||||
* Description:
|
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* Sample DMA register contents
|
||||
*
|
||||
****************************************************************************/
|
||||
|
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#ifdef CONFIG_DEBUG_DMA
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void kinetis_dmasample(DMA_HANDLE handle, struct kinetis_dmaregs_s *regs)
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{
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|
||||
}
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#endif
|
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|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmadump
|
||||
*
|
||||
* Description:
|
||||
* Dump previously sampled DMA register contents
|
||||
*
|
||||
****************************************************************************/
|
||||
|
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#ifdef CONFIG_DEBUG_DMA
|
||||
void kinetis_dmadump(DMA_HANDLE handle, const struct kinetis_dmaregs_s *regs,
|
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const char *msg)
|
||||
{
|
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|
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}
|
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#endif
|
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@@ -0,0 +1,219 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/kenetis/kinetis_dma.h
|
||||
*
|
||||
* Copyright (C) 2016 Gregory Nutt. All rights reserved.
|
||||
* Authors: Gregory Nutt <gnutt@nuttx.org>
|
||||
* David Sidrane <david_s5@nscdg.com>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_KINETEIS_KINETEIS_DMA_H
|
||||
#define __ARCH_ARM_SRC_KINETEIS_KINETEIS_DMA_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include "chip/kinetis_dma.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Declarations
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
typedef FAR void *DMA_HANDLE;
|
||||
typedef void (*dma_callback_t)(DMA_HANDLE handle, void *arg, int result);
|
||||
|
||||
/* The following is used for sampling DMA registers when CONFIG DEBUG_DMA is selected */
|
||||
|
||||
#ifdef CONFIG_DEBUG_DMA
|
||||
struct kinetis_dmaglobalregs_s
|
||||
{
|
||||
#warning "Missing logic"
|
||||
/* Global Registers */
|
||||
};
|
||||
|
||||
struct kinetis_dmachanregs_s
|
||||
{
|
||||
#warning "Missing logic"
|
||||
/* Channel Registers */
|
||||
};
|
||||
|
||||
struct kinetis_dmaregs_s
|
||||
{
|
||||
/* Global Registers */
|
||||
|
||||
struct kinetis_dmaglobalregs_s gbl;
|
||||
|
||||
/* Channel Registers */
|
||||
|
||||
struct kinetis_dmachanregs_s ch;
|
||||
};
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
|
||||
/************************************************************************************
|
||||
* Public Functions
|
||||
************************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmainitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the GPDMA subsystem.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void kinetis_dmainitilaize(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmachannel
|
||||
*
|
||||
* Description:
|
||||
* Allocate a DMA channel. This function sets aside a DMA channel and
|
||||
* gives the caller exclusive access to the DMA channel.
|
||||
*
|
||||
* Returned Value:
|
||||
* One success, this function returns a non-NULL, void* DMA channel
|
||||
* handle. NULL is returned on any failure. This function can fail only
|
||||
* if no DMA channel is available.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
DMA_HANDLE kinetis_dmachannel(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmafree
|
||||
*
|
||||
* Description:
|
||||
* Release a DMA channel. NOTE: The 'handle' used in this argument must
|
||||
* NEVER be used again until kinetis_dmachannel() is called again to re-gain
|
||||
* a valid handle.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void kinetis_dmafree(DMA_HANDLE handle);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmasetup
|
||||
*
|
||||
* Description:
|
||||
* Configure DMA for one transfer.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int kinetis_dmarxsetup(DMA_HANDLE handle, uint32_t control, uint32_t config,
|
||||
uint32_t srcaddr, uint32_t destaddr, size_t nbytes);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmastart
|
||||
*
|
||||
* Description:
|
||||
* Start the DMA transfer
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int kinetis_dmastart(DMA_HANDLE handle, dma_callback_t callback, void *arg);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmastop
|
||||
*
|
||||
* Description:
|
||||
* Cancel the DMA. After kinetis_dmastop() is called, the DMA channel is
|
||||
* reset and kinetis_dmasetup() must be called before kinetis_dmastart() can be
|
||||
* called again
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void kinetis_dmastop(DMA_HANDLE handle);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmasample
|
||||
*
|
||||
* Description:
|
||||
* Sample DMA register contents
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_DEBUG_DMA
|
||||
void kinetis_dmasample(DMA_HANDLE handle, struct kinetis_dmaregs_s *regs);
|
||||
#else
|
||||
# define kinetis_dmasample(handle,regs)
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: kinetis_dmadump
|
||||
*
|
||||
* Description:
|
||||
* Dump previously sampled DMA register contents
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_DEBUG_DMA
|
||||
void kinetis_dmadump(DMA_HANDLE handle, const struct kinetis_dmaregs_s *regs,
|
||||
const char *msg);
|
||||
#else
|
||||
# define kinetis_dmadump(handle,regs,msg)
|
||||
#endif
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __ARCH_ARM_SRC_KINETEIS_KINETEIS_DMA_H */
|
||||
Reference in New Issue
Block a user