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From:   viktor.barna@celeno.com
To:     linux-wireless@vger.kernel.org
Cc:     Kalle Valo <kvalo@codeaurora.org>,
        "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Aviad Brikman <aviad.brikman@celeno.com>,
        Eliav Farber <eliav.farber@gmail.com>,
        Oleksandr Savchenko <oleksandr.savchenko@celeno.com>,
        Shay Bar <shay.bar@celeno.com>,
        Viktor Barna <viktor.barna@celeno.com>
Subject: [RFC v1 129/256] cl8k: add phy/phy_common_lut.c
Date:   Thu, 17 Jun 2021 16:00:16 +0000
Message-Id: <20210617160223.160998-130-viktor.barna@celeno.com>
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From: Viktor Barna <viktor.barna@celeno.com>

(Part of the split. Please, take a look at the cover letter for more
details).

Signed-off-by: Viktor Barna <viktor.barna@celeno.com>
---
 .../wireless/celeno/cl8k/phy/phy_common_lut.c | 143 ++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 drivers/net/wireless/celeno/cl8k/phy/phy_common_lut.c

diff --git a/drivers/net/wireless/celeno/cl8k/phy/phy_common_lut.c b/driver=
s/net/wireless/celeno/cl8k/phy/phy_common_lut.c
new file mode 100644
index 000000000000..73a79f297718
--- /dev/null
+++ b/drivers/net/wireless/celeno/cl8k/phy/phy_common_lut.c
@@ -0,0 +1,143 @@
+// SPDX-License-Identifier: MIT
+/* Copyright(c) 2019-2021, Celeno Communications Ltd. */
+
+#include "phy_common_lut.h"
+#include "phy_athos_lut.h"
+#include "phy_olympus_lut.h"
+
+const struct common_lut_line *cl_phy_oly_get_lut_index(const struct common=
_lut_line *lut_table,
+                                                      const u16 lut_table_=
size, u16 freq)
+{
+       u16 frequency_idx;
+
+       /* Fine highest frequency in  lut table that is lower or equal freq=
 */
+       for (frequency_idx =3D 0;
+               frequency_idx < lut_table_size && lut_table[frequency_idx].=
frequency_q2 <=3D freq;
+               ++frequency_idx)
+               ;
+
+       if (frequency_idx)
+               frequency_idx--;
+
+       return &lut_table[frequency_idx];
+}
+
+void cl_phy_lut_2_lines_update(u16 freq,
+                              const struct common_lut_line *lut_table_60m,
+                              const u16 lut_table_60m_size,
+                              const struct common_lut_line *lut_table_40m,
+                              const u16 lut_table_40m_size,
+                              struct mm_mac_api_lut_line *api_lut_line)
+{
+       /* 1. configure the 40M xco lut table */
+       const struct common_lut_line *data_line =3D
+               cl_phy_oly_get_lut_index(lut_table_40m, lut_table_40m_size,=
 freq);
+
+       api_lut_line->rfic_specific.olympus_2_lines.xco_40M.freqmeastarg =
=3D
+               cpu_to_le32(data_line->freqmeastarg);
+       api_lut_line->rfic_specific.olympus_2_lines.xco_40M.nfrac =3D
+               cpu_to_le32(data_line->nfrac);
+       api_lut_line->rfic_specific.olympus_2_lines.xco_40M.nint =3D
+               data_line->nint;
+       api_lut_line->rfic_specific.olympus_2_lines.xco_40M.vcocalsel =3D
+               data_line->vcocalsel;
+
+       /* 2. configure the 60M xco lut table */
+       data_line =3D cl_phy_oly_get_lut_index(lut_table_60m, lut_table_60m=
_size, freq);
+       api_lut_line->rfic_specific.olympus_2_lines.xco_60M.freqmeastarg =
=3D
+               cpu_to_le32(data_line->freqmeastarg);
+       api_lut_line->rfic_specific.olympus_2_lines.xco_60M.nfrac =3D
+               cpu_to_le32(data_line->nfrac);
+       api_lut_line->rfic_specific.olympus_2_lines.xco_60M.nint =3D
+               data_line->nint;
+       api_lut_line->rfic_specific.olympus_2_lines.xco_60M.vcocalsel =3D
+               data_line->vcocalsel;
+
+       /* 3. set frequency */
+       api_lut_line->frequency_q2 =3D cpu_to_le16(freq);
+}
+
+void cl_phy_lut_3_lines_update(u16 freq,
+                              const struct common_lut_line *lut_table_60m_=
s1,
+                              const u16 lut_table_60m_s1_size,
+                              const struct common_lut_line *lut_table_60m_=
s0,
+                              const u16 lut_table_60m_s0_size,
+                              const struct common_lut_line *lut_table_40m,
+                              const u16 lut_table_40m_size,
+                              struct mm_mac_api_lut_line *api_lut_line)
+{
+       /* 1. configure the 40M xco lut table */
+       const struct common_lut_line *data_line =3D
+       cl_phy_oly_get_lut_index(lut_table_40m, lut_table_40m_size, freq);
+
+       api_lut_line->rfic_specific.olympus_3_lines.xco_40M.freqmeastarg =
=3D
+       cpu_to_le32(data_line->freqmeastarg);
+       api_lut_line->rfic_specific.olympus_3_lines.xco_40M.nfrac =3D
+       cpu_to_le32(data_line->nfrac);
+       api_lut_line->rfic_specific.olympus_3_lines.xco_40M.nint =3D
+       data_line->nint;
+       api_lut_line->rfic_specific.olympus_3_lines.xco_40M.vcocalsel =3D
+       data_line->vcocalsel;
+
+       /* 2. configure the 60M xco lut table , sxpfddesel=3D1*/
+       data_line =3D cl_phy_oly_get_lut_index(lut_table_60m_s1, lut_table_=
60m_s1_size, freq);
+       api_lut_line->rfic_specific.olympus_3_lines.xco_60M_s1.freqmeastarg=
 =3D
+       cpu_to_le32(data_line->freqmeastarg);
+       api_lut_line->rfic_specific.olympus_3_lines.xco_60M_s1.nfrac =3D
+       cpu_to_le32(data_line->nfrac);
+       api_lut_line->rfic_specific.olympus_3_lines.xco_60M_s1.nint =3D
+       data_line->nint;
+       api_lut_line->rfic_specific.olympus_3_lines.xco_60M_s1.vcocalsel =
=3D
+       data_line->vcocalsel;
+
+       /* 3. configure the 60M xco lut table , sxpfddesel=3D0*/
+       data_line =3D cl_phy_oly_get_lut_index(lut_table_60m_s0, lut_table_=
60m_s0_size, freq);
+       api_lut_line->rfic_specific.olympus_3_lines.xco_60M_s0.freqmeastarg=
 =3D
+       cpu_to_le32(data_line->freqmeastarg);
+       api_lut_line->rfic_specific.olympus_3_lines.xco_60M_s0.nfrac =3D
+       cpu_to_le32(data_line->nfrac);
+       api_lut_line->rfic_specific.olympus_3_lines.xco_60M_s0.nint =3D
+       data_line->nint;
+       api_lut_line->rfic_specific.olympus_3_lines.xco_60M_s0.vcocalsel =
=3D
+       data_line->vcocalsel;
+
+       /* 4. set frequency */
+       api_lut_line->frequency_q2 =3D cpu_to_le16(freq);
+}
+
+void cl_phy_oly_lut_update(u8 nl_band, u16 freq,
+                          struct mm_mac_api_lut_line *api_lut_line)
+{
+       switch (nl_band) {
+       case NL80211_BAND_2GHZ:
+               cl_phy_lut_3_lines_update(freq,
+                                         olympus_lut_24g_60_mhz_s1,
+                                         OLYMPUS_LUT_CHAN_24G_MAX,
+                                         olympus_lut_24g_60_mhz_s0,
+                                         OLYMPUS_LUT_CHAN_24G_MAX,
+                                         olympus_lut_24g_40_mhz,
+                                         OLYMPUS_LUT_CHAN_24G_MAX,
+                                         api_lut_line);
+               break;
+       case NL80211_BAND_5GHZ:
+               cl_phy_lut_3_lines_update(freq,
+                                         olympus_lut_5g_60_mhz_s1,
+                                         OLYMPUS_LUT_CHAN_5G_MAX,
+                                         olympus_lut_5g_60_mhz_s0,
+                                         OLYMPUS_LUT_CHAN_5G_MAX,
+                                         olympus_lut_5g_40_mhz,
+                                         OLYMPUS_LUT_CHAN_5G_MAX,
+                                         api_lut_line);
+               break;
+       case NL80211_BAND_6GHZ:
+               cl_phy_lut_2_lines_update(freq,
+                                         athos_lut_6g_60_mhz, ATHOS_LUT_CH=
AN_6G_MAX,
+                                         athos_lut_6g_40_mhz, ATHOS_LUT_CH=
AN_6G_MAX,
+                                         api_lut_line);
+               break;
+       default:
+               /* If nl_band is not supported return zero's */
+               memset(api_lut_line, 0, sizeof(struct mm_mac_api_lut_line))=
;
+               api_lut_line->frequency_q2 =3D cpu_to_le16(freq);
+       }
+}
--
2.30.0

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