From: Po-Hao Huang <phhuang@xxxxxxxxxxx>
Since register based H2C commands don't need endian conversion.
Introduce a new API that don't do conversion and send it directly.
New caller are expected to encode with cpu order and gradually
replace the old ones.
Signed-off-by: Po-Hao Huang <phhuang@xxxxxxxxxxx>
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw88/fw.c | 51 +++++++++++++++++++++++++
drivers/net/wireless/realtek/rtw88/fw.h | 5 +++
2 files changed, 56 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c
index 2a8ccc8a7f60d..5e329bb95bb89 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.c
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -308,6 +308,57 @@ void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev)
}
EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr);
+static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev,
+ struct rtw_h2c_register *h2c)
+{
+ u32 box_reg, box_ex_reg;
+ u8 box_state, box;
+ int ret;
+
+ rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0,
+ h2c->w1);
+
+ lockdep_assert_held(&rtwdev->mutex);
+
+ box = rtwdev->h2c.last_box_num;
+ switch (box) {
+ case 0:
+ box_reg = REG_HMEBOX0;
+ box_ex_reg = REG_HMEBOX0_EX;
+ break;
+ case 1:
+ box_reg = REG_HMEBOX1;
+ box_ex_reg = REG_HMEBOX1_EX;
+ break;
+ case 2:
+ box_reg = REG_HMEBOX2;
+ box_ex_reg = REG_HMEBOX2_EX;
+ break;
+ case 3:
+ box_reg = REG_HMEBOX3;
+ box_ex_reg = REG_HMEBOX3_EX;
+ break;
+ default:
+ WARN(1, "invalid h2c mail box number\n");
+ return;
+ }
+
+ ret = read_poll_timeout_atomic(rtw_read8, box_state,
+ !((box_state >> box) & 0x1), 100, 3000,
+ false, rtwdev, REG_HMETFR);
+
+ if (ret) {
+ rtw_err(rtwdev, "failed to send h2c command\n");
+ return;
+ }
+
+ rtw_write32(rtwdev, box_ex_reg, h2c->w1);
+ rtw_write32(rtwdev, box_reg, h2c->w0);
+
+ if (++rtwdev->h2c.last_box_num >= 4)
+ rtwdev->h2c.last_box_num = 0;
+}
+
static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
u8 *h2c)
{
diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h
index 397cbc3f6af6e..11a77d86cd144 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.h
+++ b/drivers/net/wireless/realtek/rtw88/fw.h
@@ -81,6 +81,11 @@ struct rtw_c2h_adaptivity {
u8 option;
} __packed;
+struct rtw_h2c_register {
+ u32 w0;
+ u32 w1;
+} __packed;
+
struct rtw_h2c_cmd {
__le32 msg;
__le32 msg_ext;
--
2.25.1
