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Diffstat (limited to 'include/linux/platform_data/edma.h')
-rw-r--r--include/linux/platform_data/edma.h104
1 files changed, 3 insertions, 101 deletions
diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h
index bdb2710e2aab..4299f4ba03bd 100644
--- a/include/linux/platform_data/edma.h
+++ b/include/linux/platform_data/edma.h
@@ -41,51 +41,6 @@
#ifndef EDMA_H_
#define EDMA_H_
-/* PaRAM slots are laid out like this */
-struct edmacc_param {
- u32 opt;
- u32 src;
- u32 a_b_cnt;
- u32 dst;
- u32 src_dst_bidx;
- u32 link_bcntrld;
- u32 src_dst_cidx;
- u32 ccnt;
-} __packed;
-
-/* fields in edmacc_param.opt */
-#define SAM BIT(0)
-#define DAM BIT(1)
-#define SYNCDIM BIT(2)
-#define STATIC BIT(3)
-#define EDMA_FWID (0x07 << 8)
-#define TCCMODE BIT(11)
-#define EDMA_TCC(t) ((t) << 12)
-#define TCINTEN BIT(20)
-#define ITCINTEN BIT(21)
-#define TCCHEN BIT(22)
-#define ITCCHEN BIT(23)
-
-/*ch_status paramater of callback function possible values*/
-#define EDMA_DMA_COMPLETE 1
-#define EDMA_DMA_CC_ERROR 2
-#define EDMA_DMA_TC1_ERROR 3
-#define EDMA_DMA_TC2_ERROR 4
-
-enum address_mode {
- INCR = 0,
- FIFO = 1
-};
-
-enum fifo_width {
- W8BIT = 0,
- W16BIT = 1,
- W32BIT = 2,
- W64BIT = 3,
- W128BIT = 4,
- W256BIT = 5
-};
-
enum dma_event_q {
EVENTQ_0 = 0,
EVENTQ_1 = 1,
@@ -94,64 +49,10 @@ enum dma_event_q {
EVENTQ_DEFAULT = -1
};
-enum sync_dimension {
- ASYNC = 0,
- ABSYNC = 1
-};
-
#define EDMA_CTLR_CHAN(ctlr, chan) (((ctlr) << 16) | (chan))
#define EDMA_CTLR(i) ((i) >> 16)
#define EDMA_CHAN_SLOT(i) ((i) & 0xffff)
-#define EDMA_CHANNEL_ANY -1 /* for edma_alloc_channel() */
-#define EDMA_SLOT_ANY -1 /* for edma_alloc_slot() */
-#define EDMA_CONT_PARAMS_ANY 1001
-#define EDMA_CONT_PARAMS_FIXED_EXACT 1002
-#define EDMA_CONT_PARAMS_FIXED_NOT_EXACT 1003
-
-#define EDMA_MAX_CC 2
-
-/* alloc/free DMA channels and their dedicated parameter RAM slots */
-int edma_alloc_channel(int channel,
- void (*callback)(unsigned channel, u16 ch_status, void *data),
- void *data, enum dma_event_q);
-void edma_free_channel(unsigned channel);
-
-/* alloc/free parameter RAM slots */
-int edma_alloc_slot(unsigned ctlr, int slot);
-void edma_free_slot(unsigned slot);
-
-/* alloc/free a set of contiguous parameter RAM slots */
-int edma_alloc_cont_slots(unsigned ctlr, unsigned int id, int slot, int count);
-int edma_free_cont_slots(unsigned slot, int count);
-
-/* calls that operate on part of a parameter RAM slot */
-void edma_set_src(unsigned slot, dma_addr_t src_port,
- enum address_mode mode, enum fifo_width);
-void edma_set_dest(unsigned slot, dma_addr_t dest_port,
- enum address_mode mode, enum fifo_width);
-dma_addr_t edma_get_position(unsigned slot, bool dst);
-void edma_set_src_index(unsigned slot, s16 src_bidx, s16 src_cidx);
-void edma_set_dest_index(unsigned slot, s16 dest_bidx, s16 dest_cidx);
-void edma_set_transfer_params(unsigned slot, u16 acnt, u16 bcnt, u16 ccnt,
- u16 bcnt_rld, enum sync_dimension sync_mode);
-void edma_link(unsigned from, unsigned to);
-void edma_unlink(unsigned from);
-
-/* calls that operate on an entire parameter RAM slot */
-void edma_write_slot(unsigned slot, const struct edmacc_param *params);
-void edma_read_slot(unsigned slot, struct edmacc_param *params);
-
-/* channel control operations */
-int edma_start(unsigned channel);
-void edma_stop(unsigned channel);
-void edma_clean_channel(unsigned channel);
-void edma_clear_event(unsigned channel);
-void edma_pause(unsigned channel);
-void edma_resume(unsigned channel);
-
-void edma_assign_channel_eventq(unsigned channel, enum dma_event_q eventq_no);
-
struct edma_rsv_info {
const s16 (*rsv_chans)[2];
@@ -170,10 +71,11 @@ struct edma_soc_info {
/* Resource reservation for other cores */
struct edma_rsv_info *rsv;
+ /* List of channels allocated for memcpy, terminated with -1 */
+ s32 *memcpy_channels;
+
s8 (*queue_priority_mapping)[2];
const s16 (*xbar_chans)[2];
};
-int edma_trigger_channel(unsigned);
-
#endif