Search Linux Wireless

Re: [PATCH] wifi: rtl8xxxu: Support new chip RTL8192FU

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, 2023-04-29 at 00:11 +0300, Bitterblue Smith wrote:
> 
> On 28/04/2023 09:21, Ping-Ke Shih wrote:
> > 
> > > -----Original Message-----
> > > From: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
> > > Sent: Wednesday, April 26, 2023 1:28 AM
> > > To: linux-wireless@xxxxxxxxxxxxxxx
> > > Cc: Jes Sorensen <Jes.Sorensen@xxxxxxxxx>; Ping-Ke Shih <pkshih@xxxxxxxxxxx>
> > > Subject: [PATCH] wifi: rtl8xxxu: Support new chip RTL8192FU
> > > 
> > > This is a newer chip, similar to the RTL8710BU in that it uses the same
> > > PHY status structs.
> > > 
> > > Features: 2.4 GHz, b/g/n mode, 2T2R, 300 Mbps.
> > > 
> > > It can allegedly have Bluetooth, but that's not implemented here.
> > > 
> > > This chip can have many RFE (RF front end) types, of which type 5 is
> > > the only one tested. Many of the other types need different
> > > initialisation tables. They can be added if someone wants them.
> > > 
> > > The vendor driver v5.8.6.2_35538.20191028_COEX20190910-0d02 from
> > > https://github.com/BrightX/rtl8192fu was used as reference.
> > > 
> > > Signed-off-by: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
> > > ---
> > >  drivers/net/wireless/realtek/rtl8xxxu/Kconfig |    3 +-
> > >  .../net/wireless/realtek/rtl8xxxu/rtl8xxxu.h  |   47 +
> > >  .../realtek/rtl8xxxu/rtl8xxxu_8188f.c         |    3 +-
> > >  .../realtek/rtl8xxxu/rtl8xxxu_8192f.c         | 2081 +++++++++++++++++
> > >  .../realtek/rtl8xxxu/rtl8xxxu_8710b.c         |    1 +
> > >  .../realtek/rtl8xxxu/rtl8xxxu_8723b.c         |    1 +
> > >  .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c |  104 +-
> > >  .../wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h |   15 +
> > >  8 files changed, 2225 insertions(+), 30 deletions(-)
> > >  create mode 100644 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192f.c
> > > 
> > 
> > [...]
> > 
> > > +static void rtl8192fu_config_kfree(struct rtl8xxxu_priv *priv, u8 channel)
> > > +{
> > > +       u8 bb_gain[3] = { EFUSE_UNDEFINED, EFUSE_UNDEFINED, EFUSE_UNDEFINED };
> > > +       u8 bb_gain_path_mask[2] = { 0x0f, 0xf0 };
> > > +       enum rtl8xxxu_rfpath rfpath;
> > > +       u8 bb_gain_for_path;
> > > +       u8 channel_idx;
> > > +
> > > +       if (channel >= 1 && channel <= 3)
> > > +               channel_idx = 0;
> > > +       if (channel >= 4 && channel <= 9)
> > > +               channel_idx = 1;
> > > +       if (channel >= 10 && channel <= 14)
> > > +               channel_idx = 2;
> > > +
> > > +       rtl8xxxu_read_efuse8(priv, 0x1ee, &bb_gain[1]);
> > > +       rtl8xxxu_read_efuse8(priv, 0x1ec, &bb_gain[0]);
> > > +       rtl8xxxu_read_efuse8(priv, 0x1ea, &bb_gain[2]);
> > 
> > Can you define these fields in struct rtl8192fu_efuse, and access via
> > the struct?
> > 
> 
> They are not in the efuse map. These are "physical" efuse addresses.
> I don't know what that means, as I have not studied the efuse stuff.

I miss the point. Then, your code is right. 

"physical" address is just as its name, no more explain. 

Otherwise, struct rtl8192fu_efuse is "logic" address that is translated
from encoded data read from physical starting at 0x0.

> I wonder about these:
> 
> #define REG_IQK_RTP_TXA 0xe98
> #define REG_IQK_RTP_RXA 0xea8
> #define REG_IQK_RTP_TXB 0xeb8
> #define REG_IQK_RTP_RXB 0xec8
> 
> Should they be REG_IQK_RPT_... for "report"?

Right, please correct them.

> 
> And these:
> 
> #define REG_REF_OPT62 0x968
> #define REG_REF_OPT 0x920
> 
> Should they be REG_RFE_... ?
> 

Right, please correct them too. 

Sorry for the mistakes. 






[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux