"G, Manjunath Kondaiah" <manj...@ti.com> writes:
> This patch introduces OMAP DMA device attributes for using the same in
> DMA platform driver for all OMAP's and HWMOD database(OMAP2PLUS onwards)
>
> Signed-off-by: G, Manjunath Kondaiah <manj...@ti.com>
> Cc: Benoit Cousson <b-cous...@ti.com>
> Cc: Kevin Hilman <khil...@deeprootsystems.com>
> Cc: Santosh Shilimkar <santosh.shilim...@ti.com>
> ---
> arch/arm/plat-omap/include/plat/dma.h | 20 ++++++++++++++++++++
> 1 files changed, 20 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/plat-omap/include/plat/dma.h
> b/arch/arm/plat-omap/include/plat/dma.h
> index 5e28d26..9757b22 100644
> --- a/arch/arm/plat-omap/include/plat/dma.h
> +++ b/arch/arm/plat-omap/include/plat/dma.h
> @@ -296,6 +296,22 @@
> #define DMA_ERRATA_i88 (1 << 4)
> #define DMA_ERRATA_3_3 (1 << 5)
>
> +/* Attributes for OMAP DMA Contrllers */
> +#define ENABLE_1510_MODE (1 << 0x0)
> +#define DMA_LINKED_LCH (1 << 0x1)
> +#define GLOBAL_PRIORITY (1 << 0x2)
> +#define RESERVE_CHANNEL (1 << 0x3)
> +#define SRC_PORT (1 << 0x4)
> +#define DST_PORT (1 << 0x5)
> +#define IS_CSSA_32 (1 << 0x6)
> +#define IS_CDSA_32 (1 << 0x7)
> +#define SRC_INDEX (1 << 0x8)
> +#define DST_INDEX (1 << 0x9)
> +#define IS_BURST_ONLY4 (1 << 0xA)
> +#define CLEAR_CSR_ON_READ (1 << 0xB)
> +#define IS_WORD_16 (1 << 0xC)
> +#define IS_RW_PRIORITY (1 << 0xD)
Please use BIT() for these.
> enum omap_dma_burst_mode {
> OMAP_DMA_DATA_BURST_DIS = 0,
> OMAP_DMA_DATA_BURST_4,
> @@ -361,6 +377,10 @@ struct omap_dma_channel_params {
> #endif
> };
>
> +struct omap_dma_dev_attr {
> + u32 dev_caps;
> + u16 lch_count;
> +};
>
> extern void omap_set_dma_priority(int lch, int dst_port, int priority);
> extern int omap_request_dma(int dev_id, const char *dev_name,
Kevin
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