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From: Fiona Klute <fiona.klute@gmx.de>
To: Ping-Ke Shih <pkshih@realtek.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Cc: "Kalle Valo" <kvalo@kernel.org>,
	"Ulf Hansson" <ulf.hansson@linaro.org>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	"Pavel Machek" <pavel@ucw.cz>, "Ondřej Jirman" <megi@xff.cz>
Subject: Re: [PATCH 4/9] wifi: rtw88: Add rtw8703b.h
Date: Tue, 6 Feb 2024 02:08:59 +0100	[thread overview]
Message-ID: <d122d08d-b364-449c-a959-3f40597b2e8e@gmx.de> (raw)
In-Reply-To: <64e338d9e0dd43e69fa2e6e1dd3ecb2c@realtek.com>

Am 05.02.24 um 03:24 schrieb Ping-Ke Shih:
>> -----Original Message-----
>> From: Fiona Klute <fiona.klute@gmx.de>
>> Sent: Friday, February 2, 2024 8:11 PM
>> To: linux-wireless@vger.kernel.org; Ping-Ke Shih <pkshih@realtek.com>
>> Cc: Kalle Valo <kvalo@kernel.org>; Ulf Hansson <ulf.hansson@linaro.org>; linux-mmc@vger.kernel.org; Pavel
>> Machek <pavel@ucw.cz>; Ondřej Jirman <megi@xff.cz>; Fiona Klute <fiona.klute@gmx.de>
>> Subject: [PATCH 4/9] wifi: rtw88: Add rtw8703b.h
>>
>> This is the main header for the new rtw88_8703b chip driver.
>>
>> Signed-off-by: Fiona Klute <fiona.klute@gmx.de>
>> ---
>>   drivers/net/wireless/realtek/rtw88/rtw8703b.h | 62 +++++++++++++++++++
>>   1 file changed, 62 insertions(+)
>>   create mode 100644 drivers/net/wireless/realtek/rtw88/rtw8703b.h
>>
>> diff --git a/drivers/net/wireless/realtek/rtw88/rtw8703b.h
>> b/drivers/net/wireless/realtek/rtw88/rtw8703b.h
>> new file mode 100644
>> index 0000000000..f5ff23f2ee
>> --- /dev/null
>> +++ b/drivers/net/wireless/realtek/rtw88/rtw8703b.h
>> @@ -0,0 +1,62 @@
>> +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
>> +/* Copyright Fiona Klute <fiona.klute@gmx.de> */
>> +
>> +#ifndef __RTW8703B_H__
>> +#define __RTW8703B_H__
>> +
>> +extern const struct rtw_chip_info rtw8703b_hw_spec;
>> +
>> +/* phy status parsing */
>> +#define GET_PHY_STAT_AGC_GAIN_A(phy_stat)                                   \
>> +       (le32_get_bits(*((__le32 *)(phy_stat) + 0x00), GENMASK(6, 0)))
>
> We are planning to use struct and le32_get_bits() directly, so don't introduce
> this old style anymore. An example is
>
> struct rtw8703b_phy_stat {
> 	__le32 w0;
> 	__le32 w1;
> 	...
> };
>
> #define RTW8703B_PHY_STAT_W0_AGC_GAIN_A GENMASK(6, 0)
>
> val_s8 = le32_get_bits(stat->w0, RTW8703B_PHY_STAT_W0_AGC_GAIN_A);

Sorry, of all your mails this one got stuck in the spam filter. This
answers my question about what you meant by struct style, I hadn't
thought of using __le types. I assume you'd still want to use
appropriately sized types/arrays for elements that are multiples of one
byte?

>> +
>> +#define GET_PHY_STAT_PWDB(phy_stat)                                         \
>> +       le32_get_bits(*((__le32 *)(phy_stat) + 0x01), GENMASK(7, 0))
>> +#define GET_PHY_STAT_VGA(phy_stat)                                          \
>> +       le32_get_bits(*((__le32 *)(phy_stat) + 0x01), GENMASK(12, 8))
>> +#define GET_PHY_STAT_LNA_L(phy_stat)                                        \
>> +       le32_get_bits(*((__le32 *)(phy_stat) + 0x01), GENMASK(15, 13))
>> +/* the high LNA stat bit if 4 bit format is used */
>> +#define GET_PHY_STAT_LNA_H(phy_stat)                                        \
>> +       le32_get_bits(*((__le32 *)(phy_stat) + 0x01), BIT(23))
>> +#define BIT_LNA_H_MASK BIT(3)
>> +#define BIT_LNA_L_MASK GENMASK(2, 0)
>> +
>> +#define GET_PHY_STAT_CFO_TAIL_A(phy_stat)                                   \
>> +       (le32_get_bits(*((__le32 *)(phy_stat) + 0x02), GENMASK(15, 8)))
>> +#define GET_PHY_STAT_RXEVM_A(phy_stat)                                      \
>> +       (le32_get_bits(*((__le32 *)(phy_stat) + 0x03), GENMASK(15, 8)))
>> +#define GET_PHY_STAT_RXSNR_A(phy_stat)                                      \
>> +       (le32_get_bits(*((__le32 *)(phy_stat) + 0x03), GENMASK(31, 24)))
>> +
>> +/* Baseband registers */
>> +#define REG_BB_PWR_SAV5_11N 0x0818
>> +/* BIT(11) should be 1 for 8703B *and* 8723D, which means LNA uses 4
>> + * bit for CCK rates in report, not 3. Vendor driver logs a warning if
>> + * it's 0, but handles the case.
>> + *
>> + * Purpose of other parts of this register is unknown, 8723cs driver
>> + * code indicates some other chips use certain bits for antenna
>> + * diversity.
>> + */
>> +#define REG_BB_AMP 0x0950
>> +#define BIT_MASK_RX_LNA (BIT(11))
>> +
>> +/* 0xaXX: 40MHz channel settings */
>> +#define REG_CCK_TXSF2 0x0a24  /* CCK TX filter 2 */
>> +#define REG_CCK_DBG 0x0a28  /* debug port */
>> +#define REG_OFDM0_A_TX_AFE 0x0c84
>> +#define REG_TXIQK_MATRIXB_LSB2_11N 0x0c9c
>> +#define REG_OFDM0_TX_PSD_NOISE 0x0ce4  /* TX pseudo noise weighting */
>> +/* is != 0 when IQK is done */
>
> Is this comment for 0x0e90? move to rear of the line?

Yes, I'll do that.

>> +#define REG_IQK_RDY 0x0e90
>> +
>> +/* RF registers */
>> +#define RF_RCK1 0x1E
>> +
>> +#define AGG_BURST_NUM 3
>> +#define AGG_BURST_SIZE 0 /* 1K */
>> +#define BIT_MASK_AGG_BURST_NUM (GENMASK(3, 2))
>> +#define BIT_MASK_AGG_BURST_SIZE (GENMASK(5, 4))
>> +
>> +#endif /* __RTW8703B_H__ */
>> --
>> 2.43.0
>>
>


  reply	other threads:[~2024-02-06  1:09 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-02 12:10 [PATCH 0/9] rtw88: Add support for RTL8723CS/RTL8703B Fiona Klute
2024-02-02 12:10 ` [PATCH 1/9] wifi: rtw88: Shared module for rtw8723x devices Fiona Klute
2024-02-03 14:20   ` kernel test robot
2024-02-03 15:04   ` kernel test robot
2024-02-03 21:47   ` kernel test robot
2024-02-04 10:03   ` kernel test robot
2024-02-05  1:45   ` Ping-Ke Shih
2024-02-05 16:47     ` Fiona Klute
2024-02-06  0:59       ` Ping-Ke Shih
2024-02-02 12:10 ` [PATCH 2/9] wifi: rtw88: Debug output for rtw8723x EFUSE Fiona Klute
2024-02-05  2:17   ` Ping-Ke Shih
2024-02-05 17:10     ` Fiona Klute
2024-02-02 12:10 ` [PATCH 3/9] wifi: rtw88: Add definitions for 8703b chip Fiona Klute
2024-02-02 12:10 ` [PATCH 4/9] wifi: rtw88: Add rtw8703b.h Fiona Klute
2024-02-05  2:24   ` Ping-Ke Shih
2024-02-06  1:08     ` Fiona Klute [this message]
2024-02-06  2:02       ` Ping-Ke Shih
2024-02-02 12:10 ` [PATCH 5/9] wifi: rtw88: Add rtw8703b.c Fiona Klute
2024-02-05  3:01   ` Ping-Ke Shih
2024-02-05 19:06     ` Fiona Klute
2024-02-06  1:37       ` Ping-Ke Shih
2024-02-06  8:12         ` Pavel Machek
2024-02-07  5:58         ` Ping-Ke Shih
2024-02-02 12:10 ` [PATCH 6/9] wifi: rtw88: Add rtw8703b_tables.h Fiona Klute
2024-02-02 12:10 ` [PATCH 7/9] wifi: rtw88: Add rtw8703b_tables.c Fiona Klute
2024-02-02 12:10 ` [PATCH 8/9] wifi: rtw88: Reset 8703b firmware before download Fiona Klute
2024-02-05  3:05   ` Ping-Ke Shih
2024-02-02 12:10 ` [PATCH 9/9] wifi: rtw88: SDIO device driver for RTL8723CS Fiona Klute
2024-02-05  3:10   ` Ping-Ke Shih
2024-02-05 16:07   ` Ulf Hansson
2024-02-02 13:13 ` [PATCH 0/9] rtw88: Add support for RTL8723CS/RTL8703B Dmitry Antipov
2024-02-02 13:27   ` Fiona Klute
2024-02-02 13:54     ` Dmitry Antipov
2024-02-02 14:13       ` Fiona Klute
2024-02-02 20:19 ` Pavel Machek
2024-02-03  0:36   ` Fiona Klute
2024-02-02 20:44 ` Pavel Machek
2024-02-02 20:52 ` Pavel Machek
2024-02-03 11:33   ` Fiona Klute

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