diff options
| author | Govind Singh <govinds@codeaurora.org> | 2020-08-14 10:10:24 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-08-17 13:18:21 +0300 |
| commit | c4eacabee22415194e8cc7e8dd4913897b058927 (patch) | |
| tree | f1021ad37142c7150172b1e47fa48f0c4472b81f /drivers/net/wireless/ath/ath11k/ce.c | |
| parent | 654e959ae0a19b90045d0e4d90a602ae2828a855 (diff) | |
| download | linux-c4eacabee22415194e8cc7e8dd4913897b058927.tar.xz | |
ath11k: configure copy engine msi address in CE srng
Fill msi base address and msi data to be programmed in CE srang.
This is used by the srng to generate the msi interrupt.
Needed for PCI support.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1597389030-13887-6-git-send-email-kvalo@codeaurora.org
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/ce.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/ce.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/ce.c b/drivers/net/wireless/ath/ath11k/ce.c index 2fff171b35f8..a457fe7f7049 100644 --- a/drivers/net/wireless/ath/ath11k/ce.c +++ b/drivers/net/wireless/ath/ath11k/ce.c @@ -5,6 +5,7 @@ #include "dp_rx.h" #include "debug.h" +#include "hif.h" static const struct ce_attr host_ce_config_wlan[] = { /* CE0: host->target HTC control and raw streams */ @@ -352,6 +353,31 @@ static void ath11k_ce_send_done_cb(struct ath11k_ce_pipe *pipe) } } +static void ath11k_ce_srng_msi_ring_params_setup(struct ath11k_base *ab, u32 ce_id, + struct hal_srng_params *ring_params) +{ + u32 msi_data_start; + u32 msi_data_count; + u32 msi_irq_start; + u32 addr_lo; + u32 addr_hi; + int ret; + + ret = ath11k_get_user_msi_vector(ab, "CE", + &msi_data_count, &msi_data_start, + &msi_irq_start); + + if (ret) + return; + + ath11k_get_msi_address(ab, &addr_lo, &addr_hi); + + ring_params->msi_addr = addr_lo; + ring_params->msi_addr |= (dma_addr_t)(((uint64_t)addr_hi) << 32); + ring_params->msi_data = (ce_id % msi_data_count) + msi_data_start; + ring_params->flags |= HAL_SRNG_FLAGS_MSI_INTR; +} + static int ath11k_ce_init_ring(struct ath11k_base *ab, struct ath11k_ce_ring *ce_ring, int ce_id, enum hal_ring_type type) @@ -395,6 +421,10 @@ static int ath11k_ce_init_ring(struct ath11k_base *ab, ret, ce_id); return ret; } + + if (!(CE_ATTR_DIS_INTR & host_ce_config_wlan[ce_id].flags)) + ath11k_ce_srng_msi_ring_params_setup(ab, ce_id, ¶ms); + ce_ring->hal_ring_id = ret; return 0; |