wifi: rtw89: coex: Move coexistence firmware buffer size parameter to chip info

Because RTL8852A/RTL8852C use different firmware buffer size to
send C2H packet, it's necessary to use different size to parse C2H report.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220913092546.43722-4-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/coex.c

@@ -650,8 +650,6 @@ static void _reset_btc_var(struct rtw89_dev *rtwdev, u8 type)
 		memset(&btc->mdinfo, 0, sizeof(btc->mdinfo));
 }
 
-#define BTC_FWINFO_BUF 1024
-
 #define BTC_RPT_HDR_SIZE 3
 #define BTC_CHK_WLSLOT_DRIFT_MAX 15
 #define BTC_CHK_HANG_MAX 3
@@ -1315,6 +1313,7 @@ static void _parse_btc_report(struct rtw89_dev *rtwdev,
 			      struct rtw89_btc_btf_fwinfo *pfwinfo,
 			      u8 *pbuf, u32 buf_len)
 {
+	const struct rtw89_chip_info *chip = rtwdev->chip;
 	struct rtw89_btc_prpt *btc_prpt = NULL;
 	u32 index = 0, rpt_len = 0;
 
@@ -1324,7 +1323,7 @@ static void _parse_btc_report(struct rtw89_dev *rtwdev,
 
 	while (pbuf) {
 		btc_prpt = (struct rtw89_btc_prpt *)&pbuf[index];
-		if (index + 2 >= BTC_FWINFO_BUF)
+		if (index + 2 >= chip->btc_fwinfo_buf)
 			break;
 		/* At least 3 bytes: type(1) & len(2) */
 		rpt_len = le16_to_cpu(btc_prpt->len);

drivers/net/wireless/realtek/rtw89/core.h

@@ -2654,6 +2654,7 @@ struct rtw89_chip_info {
 	u8 btcx_desired;
 	u8 scbd;
 	u8 mailbox;
+	u16 btc_fwinfo_buf;
 
 	u8 fcxbtcrpt_ver;
 	u8 fcxtdma_ver;

drivers/net/wireless/realtek/rtw89/rtw8852a.c

@@ -2190,6 +2190,7 @@ const struct rtw89_chip_info rtw8852a_chip_info = {
 	.btcx_desired		= 0x5,
 	.scbd			= 0x1,
 	.mailbox		= 0x1,
+	.btc_fwinfo_buf		= 1024,
 
 	.fcxbtcrpt_ver		= 1,
 	.fcxtdma_ver		= 1,

drivers/net/wireless/realtek/rtw89/rtw8852c.c

@@ -3035,6 +3035,7 @@ const struct rtw89_chip_info rtw8852c_chip_info = {
 	.btcx_desired		= 0x5,
 	.scbd			= 0x1,
 	.mailbox		= 0x1,
+	.btc_fwinfo_buf		= 1280,
 
 	.fcxbtcrpt_ver		= 4,
 	.fcxtdma_ver		= 3,