xref: /openbmc/linux/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h (revision 4c59282a)

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2009-2012  Realtek Corporation.*/

#ifndef __RTL92DE_TRX_H__
#define __RTL92DE_TRX_H__

#define TX_DESC_SIZE				64
#define TX_DESC_AGGR_SUBFRAME_SIZE		32

#define RX_DESC_SIZE				32
#define RX_DRV_INFO_SIZE_UNIT			8

#define	TX_DESC_NEXT_DESC_OFFSET		40
#define USB_HWDESC_HEADER_LEN			32
#define CRCLENGTH				4

enum rtl92d_rx_desc_enc {
	RX_DESC_ENC_NONE	= 0,
	RX_DESC_ENC_WEP40	= 1,
	RX_DESC_ENC_TKIP_WO_MIC	= 2,
	RX_DESC_ENC_TKIP_MIC	= 3,
	RX_DESC_ENC_AES		= 4,
	RX_DESC_ENC_WEP104	= 5,
};

/* macros to read/write various fields in RX or TX descriptors */

static inline void set_tx_desc_pkt_size(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, GENMASK(15, 0));
}

static inline void set_tx_desc_offset(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, GENMASK(23, 16));
}

static inline void set_tx_desc_htc(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, BIT(25));
}

static inline void set_tx_desc_last_seg(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, BIT(26));
}

static inline void set_tx_desc_first_seg(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, BIT(27));
}

static inline void set_tx_desc_linip(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, BIT(28));
}

static inline void set_tx_desc_own(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, BIT(31));
}

static inline u32 get_tx_desc_own(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, BIT(31));
}

static inline void set_tx_desc_macid(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 1), __val, GENMASK(4, 0));
}

static inline void set_tx_desc_agg_enable(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 1), __val, BIT(5));
}

static inline void set_tx_desc_rdg_enable(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 1), __val, BIT(7));
}

static inline void set_tx_desc_queue_sel(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 1), __val, GENMASK(12, 8));
}

static inline void set_tx_desc_rate_id(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 1), __val, GENMASK(19, 16));
}

static inline void set_tx_desc_sec_type(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 1), __val, GENMASK(23, 22));
}

static inline void set_tx_desc_pkt_offset(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 1), __val, GENMASK(30, 26));
}

static inline void set_tx_desc_more_frag(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 2), __val, BIT(17));
}

static inline void set_tx_desc_ampdu_density(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 2), __val, GENMASK(22, 20));
}

static inline void set_tx_desc_seq(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 3), __val, GENMASK(27, 16));
}

static inline void set_tx_desc_pkt_id(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 3), __val, GENMASK(31, 28));
}

static inline void set_tx_desc_rts_rate(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, GENMASK(4, 0));
}

static inline void set_tx_desc_qos(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(6));
}

static inline void set_tx_desc_hwseq_en(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(7));
}

static inline void set_tx_desc_use_rate(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(8));
}

static inline void set_tx_desc_disable_fb(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(10));
}

static inline void set_tx_desc_cts2self(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(11));
}

static inline void set_tx_desc_rts_enable(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(12));
}

static inline void set_tx_desc_hw_rts_enable(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(13));
}

static inline void set_tx_desc_tx_sub_carrier(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, GENMASK(21, 20));
}

static inline void set_tx_desc_data_bw(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(25));
}

static inline void set_tx_desc_rts_short(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(26));
}

static inline void set_tx_desc_rts_bw(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, BIT(27));
}

static inline void set_tx_desc_rts_sc(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, GENMASK(29, 28));
}

static inline void set_tx_desc_rts_stbc(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 4), __val, GENMASK(31, 30));
}

static inline void set_tx_desc_tx_rate(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 5), __val, GENMASK(5, 0));
}

static inline void set_tx_desc_data_shortgi(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 5), __val, BIT(6));
}

static inline void set_tx_desc_data_rate_fb_limit(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 5), __val, GENMASK(12, 8));
}

static inline void set_tx_desc_rts_rate_fb_limit(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 5), __val, GENMASK(16, 13));
}

static inline void set_tx_desc_max_agg_num(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 6), __val, GENMASK(15, 11));
}

static inline void set_tx_desc_tx_buffer_size(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits((__pdesc + 7), __val, GENMASK(15, 0));
}

static inline void set_tx_desc_tx_buffer_address(__le32 *__pdesc, u32 __val)
{
	*(__pdesc + 8) = cpu_to_le32(__val);
}

static inline u32 get_tx_desc_tx_buffer_address(__le32 *__pdesc)
{
	return le32_to_cpu(*(__pdesc + 8));
}

static inline void set_tx_desc_next_desc_address(__le32 *__pdesc, u32 __val)
{
	*(__pdesc + 10) = cpu_to_le32(__val);
}

static inline u32 get_rx_desc_pkt_len(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, GENMASK(13, 0));
}

static inline u32 get_rx_desc_crc32(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, BIT(14));
}

static inline u32 get_rx_desc_icv(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, BIT(15));
}

static inline u32 get_rx_desc_drv_info_size(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, GENMASK(19, 16));
}

static inline u32 get_rx_desc_enc_type(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, GENMASK(22, 20));
}

static inline u32 get_rx_desc_shift(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, GENMASK(25, 24));
}

static inline u32 get_rx_desc_physt(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, BIT(26));
}

static inline u32 get_rx_desc_swdec(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, BIT(27));
}

static inline u32 get_rx_desc_own(__le32 *__pdesc)
{
	return le32_get_bits(*__pdesc, BIT(31));
}

static inline void set_rx_desc_pkt_len(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, GENMASK(13, 0));
}

static inline void set_rx_desc_eor(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, BIT(30));
}

static inline void set_rx_desc_own(__le32 *__pdesc, u32 __val)
{
	le32p_replace_bits(__pdesc, __val, BIT(31));
}

static inline u32 get_rx_desc_paggr(__le32 *__pdesc)
{
	return le32_get_bits(*(__pdesc + 1), BIT(14));
}

static inline u32 get_rx_desc_faggr(__le32 *__pdesc)
{
	return le32_get_bits(*(__pdesc + 1), BIT(15));
}

static inline u32 get_rx_desc_rxmcs(__le32 *__pdesc)
{
	return le32_get_bits(*(__pdesc + 3), GENMASK(5, 0));
}

static inline u32 get_rx_desc_rxht(__le32 *__pdesc)
{
	return le32_get_bits(*(__pdesc + 3), BIT(6));
}

static inline u32 get_rx_desc_splcp(__le32 *__pdesc)
{
	return le32_get_bits(*(__pdesc + 3), BIT(8));
}

static inline u32 get_rx_desc_bw(__le32 *__pdesc)
{
	return le32_get_bits(*(__pdesc + 3), BIT(9));
}

static inline u32 get_rx_desc_tsfl(__le32 *__pdesc)
{
	return le32_to_cpu(*(__pdesc + 5));
}

static inline u32 get_rx_desc_buff_addr(__le32 *__pdesc)
{
	return le32_to_cpu(*(__pdesc + 6));
}

static inline void set_rx_desc_buff_addr(__le32 *__pdesc, u32 __val)
{
	*(__pdesc + 6) = cpu_to_le32(__val);
}

static inline void clear_pci_tx_desc_content(__le32 *__pdesc, u32 _size)
{
	memset((void *)__pdesc, 0,
	       min_t(size_t, _size, TX_DESC_NEXT_DESC_OFFSET));
}

/* For 92D early mode */
static inline void set_earlymode_pktnum(__le32 *__paddr, u32 __value)
{
	le32p_replace_bits(__paddr, __value, GENMASK(2, 0));
}

static inline void set_earlymode_len0(__le32 *__paddr, u32 __value)
{
	le32p_replace_bits(__paddr, __value, GENMASK(15, 4));
}

static inline void set_earlymode_len1(__le32 *__paddr, u32 __value)
{
	le32p_replace_bits(__paddr, __value, GENMASK(27, 16));
}

static inline void set_earlymode_len2_1(__le32 *__paddr, u32 __value)
{
	le32p_replace_bits(__paddr, __value, GENMASK(31, 28));
}

static inline void set_earlymode_len2_2(__le32 *__paddr, u32 __value)
{
	le32p_replace_bits((__paddr + 1), __value, GENMASK(7, 0));
}

static inline void set_earlymode_len3(__le32 *__paddr, u32 __value)
{
	le32p_replace_bits((__paddr + 1), __value, GENMASK(19, 8));
}

static inline void set_earlymode_len4(__le32 *__paddr, u32 __value)
{
	le32p_replace_bits((__paddr + 1), __value, GENMASK(31, 20));
}

struct rx_fwinfo_92d {
	u8 gain_trsw[4];
	u8 pwdb_all;
	u8 cfosho[4];
	u8 cfotail[4];
	s8 rxevm[2];
	s8 rxsnr[4];
	u8 pdsnr[2];
	u8 csi_current[2];
	u8 csi_target[2];
	u8 sigevm;
	u8 max_ex_pwr;
#ifdef __LITTLE_ENDIAN
	u8 ex_intf_flag:1;
	u8 sgi_en:1;
	u8 rxsc:2;
	u8 reserve:4;
#else
	u8 reserve:4;
	u8 rxsc:2;
	u8 sgi_en:1;
	u8 ex_intf_flag:1;
#endif
} __packed;

struct tx_desc_92d {
	u32 pktsize:16;
	u32 offset:8;
	u32 bmc:1;
	u32 htc:1;
	u32 lastseg:1;
	u32 firstseg:1;
	u32 linip:1;
	u32 noacm:1;
	u32 gf:1;
	u32 own:1;

	u32 macid:5;
	u32 agg_en:1;
	u32 bk:1;
	u32 rdg_en:1;
	u32 queuesel:5;
	u32 rd_nav_ext:1;
	u32 lsig_txop_en:1;
	u32 pifs:1;
	u32 rateid:4;
	u32 nav_usehdr:1;
	u32 en_descid:1;
	u32 sectype:2;
	u32 pktoffset:8;

	u32 rts_rc:6;
	u32 data_rc:6;
	u32 rsvd0:2;
	u32 bar_retryht:2;
	u32 rsvd1:1;
	u32 morefrag:1;
	u32 raw:1;
	u32 ccx:1;
	u32 ampdudensity:3;
	u32 rsvd2:1;
	u32 ant_sela:1;
	u32 ant_selb:1;
	u32 txant_cck:2;
	u32 txant_l:2;
	u32 txant_ht:2;

	u32 nextheadpage:8;
	u32 tailpage:8;
	u32 seq:12;
	u32 pktid:4;

	u32 rtsrate:5;
	u32 apdcfe:1;
	u32 qos:1;
	u32 hwseq_enable:1;
	u32 userrate:1;
	u32 dis_rtsfb:1;
	u32 dis_datafb:1;
	u32 cts2self:1;
	u32 rts_en:1;
	u32 hwrts_en:1;
	u32 portid:1;
	u32 rsvd3:3;
	u32 waitdcts:1;
	u32 cts2ap_en:1;
	u32 txsc:2;
	u32 stbc:2;
	u32 txshort:1;
	u32 txbw:1;
	u32 rtsshort:1;
	u32 rtsbw:1;
	u32 rtssc:2;
	u32 rtsstbc:2;

	u32 txrate:6;
	u32 shortgi:1;
	u32 ccxt:1;
	u32 txrate_fb_lmt:5;
	u32 rtsrate_fb_lmt:4;
	u32 retrylmt_en:1;
	u32 txretrylmt:6;
	u32 usb_txaggnum:8;

	u32 txagca:5;
	u32 txagcb:5;
	u32 usemaxlen:1;
	u32 maxaggnum:5;
	u32 mcsg1maxlen:4;
	u32 mcsg2maxlen:4;
	u32 mcsg3maxlen:4;
	u32 mcs7sgimaxlen:4;

	u32 txbuffersize:16;
	u32 mcsg4maxlen:4;
	u32 mcsg5maxlen:4;
	u32 mcsg6maxlen:4;
	u32 mcsg15sgimaxlen:4;

	u32 txbuffaddr;
	u32 txbufferaddr64;
	u32 nextdescaddress;
	u32 nextdescaddress64;

	u32 reserve_pass_pcie_mm_limit[4];
} __packed;

void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
			  struct ieee80211_hdr *hdr, u8 *pdesc,
			  u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
			  struct ieee80211_sta *sta,
			  struct sk_buff *skb, u8 hw_queue,
			  struct rtl_tcb_desc *ptcb_desc);
bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,
			   struct rtl_stats *stats,
			   struct ieee80211_rx_status *rx_status,
			   u8 *pdesc, struct sk_buff *skb);
void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
		      u8 desc_name, u8 *val);
u64 rtl92de_get_desc(struct ieee80211_hw *hw,
		     u8 *p_desc, bool istx, u8 desc_name);
bool rtl92de_is_tx_desc_closed(struct ieee80211_hw *hw,
			       u8 hw_queue, u16 index);
void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue);
void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
			     bool b_firstseg, bool b_lastseg,
			     struct sk_buff *skb);

#endif