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ath11k: enable internal sleep clock 

On x86 and other non-qcom platforms, host needs to explicitly tell the firmware
to use the internal sleep clock. Some QCA6390 modules have OTP burnt with
external sleep clock selected, and these modules can't work expectedly unless
firmware selects internal sleep clock.

Add a field to hw_params to support this difference.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1597389030-13887-11-git-send-email-kvalo@codeaurora.org
This commit is contained in:
Carl Huang 2020-08-14 10:10:29 +03:00 committed by Kalle Valo
parent 6c809d04c5
commit 727fae1478
3 changed files with 21 additions and 0 deletions
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2
drivers/net/wireless/ath/ath11k/core.c
View File

@ -31,6 +31,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
.bdf_addr = 0x4B0C0000,
.hw_ops = &ipq8074_ops,
.ring_mask = &ath11k_hw_ring_mask_ipq8074,
.internal_sleep_clock = false,
},
{
.name = "qca6390 hw2.0",
@ -44,6 +45,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
.bdf_addr = 0x4B0C0000,
.hw_ops = &qca6390_ops,
.ring_mask = &ath11k_hw_ring_mask_ipq8074,
.internal_sleep_clock = true,
},
};

2
drivers/net/wireless/ath/ath11k/hw.h
View File

@ -133,6 +133,8 @@ struct ath11k_hw_params {
const struct ath11k_hw_ops *hw_ops;
const struct ath11k_hw_ring_mask *ring_mask;
bool internal_sleep_clock;
};
extern const struct ath11k_hw_ops ipq8074_ops;

17
drivers/net/wireless/ath/ath11k/qmi.c
View File

@ -9,6 +9,9 @@
#include <linux/of.h>
#include <linux/firmware.h>
#define SLEEP_CLOCK_SELECT_INTERNAL_BIT 0x02
#define HOST_CSTATE_BIT 0x04
static struct qmi_elem_info qmi_wlanfw_host_cap_req_msg_v01_ei[] = {
{
.data_type = QMI_OPT_FLAG,
@ -1531,6 +1534,20 @@ static int ath11k_qmi_host_cap_send(struct ath11k_base *ab)
req.cal_done_valid = 1;
req.cal_done = ab->qmi.cal_done;
if (ab->hw_params.internal_sleep_clock) {
req.nm_modem_valid = 1;
/* Notify firmware that this is non-qualcomm platform. */
req.nm_modem |= HOST_CSTATE_BIT;
/* Notify firmware about the sleep clock selection,
* nm_modem_bit[1] is used for this purpose. Host driver on
* non-qualcomm platforms should select internal sleep
* clock.
*/
req.nm_modem |= SLEEP_CLOCK_SELECT_INTERNAL_BIT;
}
ret = qmi_txn_init(&ab->qmi.handle, &txn,
qmi_wlanfw_host_cap_resp_msg_v01_ei, &resp);
if (ret < 0)