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Groups > linux.kernel > #1351678
| From | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users |
| Date | 2016-03-07 16:00 +0100 |
| Message-ID | <ra4NA-49R-29@gated-at.bofh.it> (permalink) |
| References | <ra0Ai-1AN-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Mar 07, 2016 at 10:59:31AM +0100, Boris Brezillon wrote:
> +/* Dedicated DMA parameter register layout */
> +#define SUN4I_DDMA_PARA_DST_DATA_BLK_SIZE(n) (((n) - 1) << 24)
> +#define SUN4I_DDMA_PARA_DST_WAIT_CYCLES(n) (((n) - 1) << 16)
> +#define SUN4I_DDMA_PARA_SRC_DATA_BLK_SIZE(n) (((n) - 1) << 8)
> +#define SUN4I_DDMA_PARA_SRC_WAIT_CYCLES(n) (((n) - 1) << 0)
> +
> +/**
> + * struct sun4i_dma_chan_config - DMA channel config
> + *
> + * @para: contains information about block size and time before checking
> + * DRQ line. This is device specific and only applicable to dedicated
> + * DMA channels
What information, can you elobrate.. And why can't you use existing
dma_slave_config for this?
> + */
> +struct sun4i_dma_chan_config {
> + u32 para;
> +};
> +
> +int sun4i_dma_set_chan_config(struct dma_chan *dchan,
> + const struct sun4i_dma_chan_config *cfg);
> +
> +#endif /* _SUN4I_DMA_H */
--
~Vinod
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[PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 11:30 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-07 16:00 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 16:10 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-03-07 21:40 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-08 04:00 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-08 04:00 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-03-08 09:00 +0100
Re: [linux-sunxi] Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Hans de Goede <hdegoede@redhat.com> - 2016-03-08 09:50 +0100
Re: [linux-sunxi] Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-08 11:10 +0100
Re: [linux-sunxi] Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-03-09 12:20 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-08 09:50 +0100
Re: [linux-sunxi] Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Priit Laes <plaes@plaes.org> - 2016-03-08 10:20 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-08 11:10 +0100
Re: [linux-sunxi] Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users LABBE Corentin <clabbe.montjoie@gmail.com> - 2016-03-09 11:10 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-08 11:00 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-09 11:20 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-11 07:30 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-11 10:50 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-11 11:10 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-11 11:30 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-11 12:20 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-09 12:30 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-11 07:30 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-11 10:50 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-11 11:10 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-03-11 12:00 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-11 12:20 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-03-14 12:50 +0100
Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Vinod Koul <vinod.koul@intel.com> - 2016-03-16 04:20 +0100
Re: [linux-sunxi] [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Priit Laes <plaes@plaes.org> - 2016-03-07 16:40 +0100
Re: [linux-sunxi] [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-03-07 17:00 +0100
Re: [linux-sunxi] [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Emilio López <emilio@elopez.com.ar> - 2016-03-07 18:20 +0100
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