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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-17 23:52:23 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-17 23:52:23 +0300 |
commit | 6daa90439e91bb9a71864b02f7d0af8587ea889a (patch) | |
tree | cd747a40f9aac87089d3d73de9d42c5863fe7896 /drivers/dma/ti/k3-udma-private.c | |
parent | 83005cd6bc76eef7bbf46b55bbb00ccc9534c38c (diff) | |
parent | 115ff12aecfd55376d704fa2c0a2d117e5827f9f (diff) | |
download | linux-6daa90439e91bb9a71864b02f7d0af8587ea889a.tar.xz |
Merge tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"The last dmaengine updates for this year :)
This contains couple of new drivers, new device support and updates to
bunch of drivers.
New drivers/devices:
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI drivers"
* tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (75 commits)
soc: ti: k3-ringacc: Use correct error casting in k3_ringacc_dmarings_init
dmaengine: ti: k3-udma-glue: Add support for K3 PKTDMA
dmaengine: ti: k3-udma: Initial support for K3 PKTDMA
dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling
dmaengine: ti: k3-udma: Initial support for K3 BCDMA
soc: ti: k3-ringacc: add AM64 DMA rings support.
dmaengine: ti: Add support for k3 event routers
dmaengine: ti: k3-psil: Add initial map for AM64
dmaengine: ti: k3-psil: Extend psil_endpoint_config for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 BCDMA
dmaengine: dmatest: Use dmaengine_get_dma_device
dmaengine: doc: client: Update for dmaengine_get_dma_device() usage
dmaengine: Add support for per channel coherency handling
dmaengine: of-dma: Add support for optional router configuration callback
dmaengine: ti: k3-udma-glue: Configure the dma_dev for rings
dmaengine: ti: k3-udma-glue: Get the ringacc from udma_dev
dmaengine: ti: k3-udma-glue: Add function to get device pointer for DMA API
dmaengine: ti: k3-udma: Add support for second resource range from sysfw
dmaengine: ti: k3-udma: Wait for peer teardown completion if supported
...
Diffstat (limited to 'drivers/dma/ti/k3-udma-private.c')
-rw-r--r-- | drivers/dma/ti/k3-udma-private.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/dma/ti/k3-udma-private.c b/drivers/dma/ti/k3-udma-private.c index 8563a392f30b..aada84f40723 100644 --- a/drivers/dma/ti/k3-udma-private.c +++ b/drivers/dma/ti/k3-udma-private.c @@ -50,6 +50,18 @@ struct udma_dev *of_xudma_dev_get(struct device_node *np, const char *property) } EXPORT_SYMBOL(of_xudma_dev_get); +struct device *xudma_get_device(struct udma_dev *ud) +{ + return ud->dev; +} +EXPORT_SYMBOL(xudma_get_device); + +struct k3_ringacc *xudma_get_ringacc(struct udma_dev *ud) +{ + return ud->ringacc; +} +EXPORT_SYMBOL(xudma_get_ringacc); + u32 xudma_dev_get_psil_base(struct udma_dev *ud) { return ud->psil_base; @@ -76,6 +88,9 @@ EXPORT_SYMBOL(xudma_free_gp_rflow_range); bool xudma_rflow_is_gp(struct udma_dev *ud, int id) { + if (!ud->rflow_gp_map) + return false; + return !test_bit(id, ud->rflow_gp_map); } EXPORT_SYMBOL(xudma_rflow_is_gp); @@ -107,6 +122,12 @@ void xudma_rflow_put(struct udma_dev *ud, struct udma_rflow *p) } EXPORT_SYMBOL(xudma_rflow_put); +int xudma_get_rflow_ring_offset(struct udma_dev *ud) +{ + return ud->tflow_cnt; +} +EXPORT_SYMBOL(xudma_get_rflow_ring_offset); + #define XUDMA_GET_RESOURCE_ID(res) \ int xudma_##res##_get_id(struct udma_##res *p) \ { \ @@ -136,3 +157,27 @@ void xudma_##res##rt_write(struct udma_##res *p, int reg, u32 val) \ EXPORT_SYMBOL(xudma_##res##rt_write) XUDMA_RT_IO_FUNCTIONS(tchan); XUDMA_RT_IO_FUNCTIONS(rchan); + +int xudma_is_pktdma(struct udma_dev *ud) +{ + return ud->match_data->type == DMA_TYPE_PKTDMA; +} +EXPORT_SYMBOL(xudma_is_pktdma); + +int xudma_pktdma_tflow_get_irq(struct udma_dev *ud, int udma_tflow_id) +{ + const struct udma_oes_offsets *oes = &ud->soc_data->oes; + + return ti_sci_inta_msi_get_virq(ud->dev, udma_tflow_id + + oes->pktdma_tchan_flow); +} +EXPORT_SYMBOL(xudma_pktdma_tflow_get_irq); + +int xudma_pktdma_rflow_get_irq(struct udma_dev *ud, int udma_rflow_id) +{ + const struct udma_oes_offsets *oes = &ud->soc_data->oes; + + return ti_sci_inta_msi_get_virq(ud->dev, udma_rflow_id + + oes->pktdma_rchan_flow); +} +EXPORT_SYMBOL(xudma_pktdma_rflow_get_irq); |