diff options
| author | David S. Miller | 2018-12-03 15:44:27 -0800 |
|---|---|---|
| committer | David S. Miller | 2018-12-03 15:44:27 -0800 |
| commit | ce01a56ba3d9a56e9c7dd4662e2753b102a17d62 (patch) | |
| tree | f93abeb50254c299dd07d2f3d72da9d91797b2d2 /include | |
| parent | 37a0bc39d726a15073cca64887f01e3a12b24a18 (diff) | |
| parent | b72c51a58e6d63ef673ac96b8ab5bc98799c5f7b (diff) | |
Merge tag 'wireless-drivers-next-for-davem-2018-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.21
First set of patches for 4.21. Most notable here is support for
Quantenna's QSR1000/QSR2000 chipsets and more flexible ways to provide
nvram files for brcmfmac.
Major changes:
brcmfmac
* add support for first trying to get a board specific nvram file
* add support for getting nvram contents from EFI variables
qtnfmac
* use single PCIe driver for all platforms and rename
Kconfig option CONFIG_QTNFMAC_PEARL_PCIE to CONFIG_QTNFMAC_PCIE
* add support for QSR1000/QSR2000 (Topaz) family of chipsets
ath10k
* add support for WCN3990 firmware crash recovery
* add firmware memory dump support for QCA4019
wil6210
* add firmware error recovery while in AP mode
ath9k
* remove experimental notice from dynack feature
iwlwifi
* PCI IDs for some new 9000-series cards
* improve antenna usage on connection problems
* new firmware debugging infrastructure
* some more work on 802.11ax
* improve support for multiple RF modules with 22000 devices
cordic
* move cordic macros and defines to a public header file
* convert brcmsmac and b43 to fully use cordic library
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cordic.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/cordic.h b/include/linux/cordic.h index cf68ca4a508c..3d656f54d64f 100644 --- a/include/linux/cordic.h +++ b/include/linux/cordic.h @@ -18,6 +18,15 @@ #include <linux/types.h> +#define CORDIC_ANGLE_GEN 39797 +#define CORDIC_PRECISION_SHIFT 16 +#define CORDIC_NUM_ITER (CORDIC_PRECISION_SHIFT + 2) + +#define CORDIC_FIXED(X) ((s32)((X) << CORDIC_PRECISION_SHIFT)) +#define CORDIC_FLOAT(X) (((X) >= 0) \ + ? ((((X) >> (CORDIC_PRECISION_SHIFT - 1)) + 1) >> 1) \ + : -((((-(X)) >> (CORDIC_PRECISION_SHIFT - 1)) + 1) >> 1)) + /** * struct cordic_iq - i/q coordinate. * |