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author | Alexandre Bailon <abailon@baylibre.com> | 2017-01-30 18:49:20 +0100 |
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committer | Vinod Koul <vinod.koul@intel.com> | 2017-03-07 13:42:27 +0530 |
commit | e3fa49acf00a6db3bfdee725ac5d688dd98dc2c9 (patch) | |
tree | 2769a23f3fb97f16a860389f1e12fd8c1f204c83 /drivers/dma/cppi41.c | |
parent | d567206e478f744f90b52f80b85debc3377ea5a0 (diff) | |
download | linux-e3fa49acf00a6db3bfdee725ac5d688dd98dc2c9.tar.bz2 |
dmaengine: cppi41: Add support of DA8xx to CPPI 4.1
The DA8xx has a CPPI 4.1 DMA controller.
This is add the glue layer required to make it work on DA8xx.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/cppi41.c')
-rw-r--r-- | drivers/dma/cppi41.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c index 4573080e74c7..135fb45a96f0 100644 --- a/drivers/dma/cppi41.c +++ b/drivers/dma/cppi41.c @@ -223,6 +223,20 @@ static const struct chan_queues am335x_usb_queues_rx[] = { [29] = { .submit = 30, .complete = 155}, }; +static const struct chan_queues da8xx_usb_queues_tx[] = { + [0] = { .submit = 16, .complete = 24}, + [1] = { .submit = 18, .complete = 24}, + [2] = { .submit = 20, .complete = 24}, + [3] = { .submit = 22, .complete = 24}, +}; + +static const struct chan_queues da8xx_usb_queues_rx[] = { + [0] = { .submit = 1, .complete = 26}, + [1] = { .submit = 3, .complete = 26}, + [2] = { .submit = 5, .complete = 26}, + [3] = { .submit = 7, .complete = 26}, +}; + struct cppi_glue_infos { const struct chan_queues *queues_rx; const struct chan_queues *queues_tx; @@ -971,8 +985,17 @@ static const struct cppi_glue_infos am335x_usb_infos = { .qmgr_num_pend = 5, }; +static const struct cppi_glue_infos da8xx_usb_infos = { + .queues_rx = da8xx_usb_queues_rx, + .queues_tx = da8xx_usb_queues_tx, + .td_queue = { .submit = 31, .complete = 0 }, + .first_completion_queue = 24, + .qmgr_num_pend = 2, +}; + static const struct of_device_id cppi41_dma_ids[] = { { .compatible = "ti,am3359-cppi41", .data = &am335x_usb_infos}, + { .compatible = "ti,da830-cppi41", .data = &da8xx_usb_infos}, {}, }; MODULE_DEVICE_TABLE(of, cppi41_dma_ids); |