shdmac.c (6b32fafee2bb5fcf0b3d3d04a9762d3a0212089e) shdmac.c (0cdbee33ea42bfd5f61f824e258a1a0944dd2a27)
1/*
2 * Renesas SuperH DMA Engine support
3 *
4 * base is drivers/dma/flsdma.c
5 *
6 * Copyright (C) 2011-2012 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
7 * Copyright (C) 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
8 * Copyright (C) 2009 Renesas Solutions, Inc. All rights reserved.

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234 chcr |= CHCR_DE | shdev->chcr_ie_bit;
235 chcr_write(sh_chan, chcr & ~CHCR_TE);
236}
237
238static void dmae_init(struct sh_dmae_chan *sh_chan)
239{
240 /*
241 * Default configuration for dual address memory-memory transfer.
1/*
2 * Renesas SuperH DMA Engine support
3 *
4 * base is drivers/dma/flsdma.c
5 *
6 * Copyright (C) 2011-2012 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
7 * Copyright (C) 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
8 * Copyright (C) 2009 Renesas Solutions, Inc. All rights reserved.

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234 chcr |= CHCR_DE | shdev->chcr_ie_bit;
235 chcr_write(sh_chan, chcr & ~CHCR_TE);
236}
237
238static void dmae_init(struct sh_dmae_chan *sh_chan)
239{
240 /*
241 * Default configuration for dual address memory-memory transfer.
242 * 0x400 represents auto-request.
243 */
242 */
244 u32 chcr = DM_INC | SM_INC | 0x400 | log2size_to_chcr(sh_chan,
243 u32 chcr = DM_INC | SM_INC | RS_AUTO | log2size_to_chcr(sh_chan,
245 LOG2_DEFAULT_XFER_SIZE);
246 sh_chan->xmit_shift = calc_xmit_shift(sh_chan, chcr);
247 chcr_write(sh_chan, chcr);
248}
249
250static int dmae_set_chcr(struct sh_dmae_chan *sh_chan, u32 val)
251{
252 /* If DMA is active, cannot set CHCR. TODO: remove this superfluous check */

--- 708 unchanged lines hidden --- 		244 LOG2_DEFAULT_XFER_SIZE);
245 sh_chan->xmit_shift = calc_xmit_shift(sh_chan, chcr);
246 chcr_write(sh_chan, chcr);
247}
248
249static int dmae_set_chcr(struct sh_dmae_chan *sh_chan, u32 val)
250{
251 /* If DMA is active, cannot set CHCR. TODO: remove this superfluous check */

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