diff options
author | Denys Dmytriyenko <denis@denix.org> | 2009-03-17 14:32:59 -0400 |
---|---|---|
committer | Denys Dmytriyenko <denis@denix.org> | 2009-03-17 14:32:59 -0400 |
commit | 709c4d66e0b107ca606941b988bad717c0b45d9b (patch) | |
tree | 37ee08b1eb308f3b2b6426d5793545c38396b838 /packages/linux/linux-2.6.18/avr32-dma-controller-framework.patch | |
parent | fa6cd5a3b993f16c27de4ff82b42684516d433ba (diff) |
rename packages/ to recipes/ per earlier agreement
See links below for more details:
http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326
http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816
Signed-off-by: Denys Dmytriyenko <denis@denix.org>
Acked-by: Mike Westerhof <mwester@dls.net>
Acked-by: Philip Balister <philip@balister.org>
Acked-by: Khem Raj <raj.khem@gmail.com>
Acked-by: Marcin Juszkiewicz <hrw@openembedded.org>
Acked-by: Koen Kooi <koen@openembedded.org>
Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'packages/linux/linux-2.6.18/avr32-dma-controller-framework.patch')
-rw-r--r-- | packages/linux/linux-2.6.18/avr32-dma-controller-framework.patch | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/packages/linux/linux-2.6.18/avr32-dma-controller-framework.patch b/packages/linux/linux-2.6.18/avr32-dma-controller-framework.patch deleted file mode 100644 index 0f6301303b..0000000000 --- a/packages/linux/linux-2.6.18/avr32-dma-controller-framework.patch +++ /dev/null @@ -1,241 +0,0 @@ -From 740c72fe92a5536060ac6debbfe0a26c0b9b8770 Mon Sep 17 00:00:00 2001 -From: Haavard Skinnemoen <hskinnemoen@atmel.com> -Date: Mon, 11 Sep 2006 17:59:59 +0200 -Subject: [PATCH] AVR32: DMA controller framework - -This patch puts the DMA controller framework used in earlier BSPs back. -It was removed before the AVR32 patches went into -mm, and it should -be removed here as well as soon as we have an alternative. - ---- - arch/avr32/kernel/Makefile | 1 - arch/avr32/kernel/dma-controller.c | 34 +++++++ - include/asm-avr32/dma-controller.h | 165 ++++++++++++++++++++++++++++++++++++ - 3 files changed, 200 insertions(+), 0 deletions(-) - -diff --git a/arch/avr32/kernel/Makefile b/arch/avr32/kernel/Makefile -index 90e5aff..b6afc0c 100644 ---- a/arch/avr32/kernel/Makefile -+++ b/arch/avr32/kernel/Makefile -@@ -9,6 +9,7 @@ obj-y += syscall_table.o syscall-stub - obj-y += setup.o traps.o semaphore.o ptrace.o - obj-y += signal.o sys_avr32.o process.o time.o - obj-y += init_task.o switch_to.o cpu.o -+obj-y += dma-controller.o - obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o - obj-$(CONFIG_KPROBES) += kprobes.o - -diff --git a/arch/avr32/kernel/dma-controller.c b/arch/avr32/kernel/dma-controller.c -new file mode 100644 -index 0000000..fb654b3 ---- /dev/null -+++ b/arch/avr32/kernel/dma-controller.c -@@ -0,0 +1,34 @@ -+/* -+ * Preliminary DMA controller framework for AVR32 -+ * -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <asm/dma-controller.h> -+ -+static LIST_HEAD(controllers); -+ -+int register_dma_controller(struct dma_controller *dmac) -+{ -+ static int next_id; -+ -+ dmac->id = next_id++; -+ list_add_tail(&dmac->list, &controllers); -+ -+ return 0; -+} -+EXPORT_SYMBOL(register_dma_controller); -+ -+struct dma_controller *find_dma_controller(int id) -+{ -+ struct dma_controller *dmac; -+ -+ list_for_each_entry(dmac, &controllers, list) -+ if (dmac->id == id) -+ return dmac; -+ return NULL; -+} -+EXPORT_SYMBOL(find_dma_controller); -diff --git a/include/asm-avr32/dma-controller.h b/include/asm-avr32/dma-controller.h -new file mode 100644 -index 0000000..8c67601 ---- /dev/null -+++ b/include/asm-avr32/dma-controller.h -@@ -0,0 +1,165 @@ -+/* -+ * Copyright (C) 2005-2006 Atmel Corporation -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#ifndef __ASM_AVR32_DMA_CONTROLLER_H -+#define __ASM_AVR32_DMA_CONTROLLER_H -+ -+#include <linux/device.h> -+ -+#define DMA_DIR_MEM_TO_MEM 0x0000 -+#define DMA_DIR_MEM_TO_PERIPH 0x0001 -+#define DMA_DIR_PERIPH_TO_MEM 0x0002 -+#define DMA_DIR_PERIPH_TO_PERIPH 0x0003 -+ -+#define DMA_WIDTH_8BIT 0 -+#define DMA_WIDTH_16BIT 1 -+#define DMA_WIDTH_32BIT 2 -+ -+struct dma_request { -+ struct dma_controller *dmac; -+ struct list_head list; -+ -+ unsigned short channel; -+ -+ void (*xfer_complete)(struct dma_request *req); -+ void (*block_complete)(struct dma_request *req); -+ void (*error)(struct dma_request *req); -+}; -+ -+struct dma_request_sg { -+ struct dma_request req; -+ -+ int nr_sg; -+ struct scatterlist *sg; -+ unsigned long block_size; -+ -+ dma_addr_t data_reg; -+ unsigned short periph_id; -+ -+ unsigned char direction; -+ unsigned char width; -+}; -+#define to_dma_request_sg(_req) \ -+ container_of(_req, struct dma_request_sg, req) -+ -+struct dma_request_cyclic { -+ struct dma_request req; -+ -+ int periods; -+ unsigned long buffer_size; -+ -+ dma_addr_t buffer_start; -+ dma_addr_t data_reg; -+ -+ unsigned short periph_id; -+ unsigned char direction; -+ unsigned char width; -+ -+ void *dev_id; -+}; -+#define to_dma_request_cyclic(_req) \ -+ container_of(_req, struct dma_request_cyclic, req) -+ -+struct dma_request_memcpy { -+ struct dma_request req; -+ -+ dma_addr_t src_addr; -+ unsigned int src_width; -+ unsigned int src_stride; -+ -+ dma_addr_t dst_addr; -+ unsigned int dst_width; -+ unsigned int dst_stride; -+ -+ size_t length; -+ -+ unsigned short src_reverse:1; -+ unsigned short dst_reverse:1; -+}; -+#define to_dma_request_memcpy(_req) \ -+ container_of(_req, struct dma_request_memcpy, req) -+ -+struct dma_controller { -+ struct list_head list; -+ int id; -+ struct device *dev; -+ -+ int (*alloc_channel)(struct dma_controller *dmac); -+ void (*release_channel)(struct dma_controller *dmac, -+ int channel); -+ int (*prepare_request_sg)(struct dma_controller *dmac, -+ struct dma_request_sg *req); -+ int (*prepare_request_cyclic)(struct dma_controller *dmac, -+ struct dma_request_cyclic *req); -+ int (*prepare_request_memcpy)(struct dma_controller *dmac, -+ struct dma_request_memcpy *req); -+ int (*start_request)(struct dma_controller *dmac, -+ unsigned int channel); -+ int (*stop_request)(struct dma_controller *dmac, -+ unsigned int channel); -+ dma_addr_t (*get_current_pos)(struct dma_controller *dmac, -+ unsigned int channel); -+}; -+ -+static inline int -+dma_alloc_channel(struct dma_controller *dmac) -+{ -+ return dmac->alloc_channel(dmac); -+} -+ -+static inline void -+dma_release_channel(struct dma_controller *dmac, int chan) -+{ -+ dmac->release_channel(dmac, chan); -+} -+ -+static inline int -+dma_prepare_request_sg(struct dma_controller *dmac, -+ struct dma_request_sg *req) -+{ -+ return dmac->prepare_request_sg(dmac, req); -+} -+ -+static inline int -+dma_prepare_request_cyclic(struct dma_controller *dmac, -+ struct dma_request_cyclic *req) -+{ -+ return dmac->prepare_request_cyclic(dmac, req); -+} -+ -+static inline int -+dma_prepare_request_memcpy(struct dma_controller *dmac, -+ struct dma_request_memcpy *req) -+{ -+ return dmac->prepare_request_memcpy(dmac, req); -+} -+ -+static inline int -+dma_start_request(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->start_request(dmac, channel); -+} -+ -+static inline int -+dma_stop_request(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->stop_request(dmac, channel); -+} -+ -+static inline dma_addr_t -+dma_get_current_pos(struct dma_controller *dmac, -+ unsigned int channel) -+{ -+ return dmac->get_current_pos(dmac, channel); -+} -+ -+extern int register_dma_controller(struct dma_controller *dmac); -+extern struct dma_controller *find_dma_controller(int id); -+ -+#endif /* __ASM_AVR32_DMA_CONTROLLER_H */ --- -1.4.1.1 - |