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a2de324e14
Refresh 6.12 patches, those that failed automatic refresh were refreshed manually. DT bindings patches that failed were dropped as we dont use them in practice. Link: https://github.com/openwrt/openwrt/pull/18795 Signed-off-by: Robert Marko <robimarko@gmail.com>
129 lines
3.9 KiB
Diff
129 lines
3.9 KiB
Diff
From 6553d598cdb507f7ede020f25da646ba084a23c6 Mon Sep 17 00:00:00 2001
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From: Ziyang Huang <hzyitc@outlook.com>
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Date: Sun, 8 Sep 2024 16:40:12 +0800
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Subject: [PATCH] firmware: qcom_scm: support MPD
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Add SCM calls to power up / down the SoC's internal WiFi radio and to
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load PIL segments to support the MPD architecture.
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Signed-off-by: Ziyang Huang <hzyitc@outlook.com>
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Signed-off-by: George Moussalem <george.moussalem@outlook.com>
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---
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drivers/firmware/qcom//qcom_scm.c | 79 ++++++++++++++++++++++++++
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drivers/firmware/qcom//qcom_scm.h | 3 +
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include/linux/firmware/qcom/qcom_scm.h | 3 +
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3 files changed, 85 insertions(+)
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--- a/include/linux/firmware/qcom/qcom_scm.h
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+++ b/include/linux/firmware/qcom/qcom_scm.h
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@@ -79,6 +79,9 @@ int qcom_scm_pas_mem_setup(u32 periphera
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int qcom_scm_pas_auth_and_reset(u32 peripheral);
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int qcom_scm_pas_shutdown(u32 peripheral);
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bool qcom_scm_pas_supported(u32 peripheral);
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+int qcom_scm_internal_wifi_powerup(u32 peripheral);
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+int qcom_scm_internal_wifi_shutdown(u32 peripheral);
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+int qcom_scm_pas_load_segment(u32 peripheral, int segment, dma_addr_t dma, int seg_cnt);
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int qcom_scm_msa_lock(u32 peripheral);
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int qcom_scm_msa_unlock(u32 peripheral);
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--- a/drivers/firmware/qcom/qcom_scm.c
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+++ b/drivers/firmware/qcom/qcom_scm.c
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@@ -807,6 +807,85 @@ bool qcom_scm_pas_supported(u32 peripher
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EXPORT_SYMBOL_GPL(qcom_scm_pas_supported);
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/**
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+ * qcom_scm_internal_wifi_powerup() - Bring up internal wifi
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+ * @peripheral: peripheral id
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+ *
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+ * Return 0 on success.
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+ */
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+int qcom_scm_internal_wifi_powerup(u32 peripheral)
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+{
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+ struct qcom_scm_desc desc = {
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+ .svc = QCOM_SCM_SVC_PIL,
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+ .cmd = QCOM_SCM_INTERNAL_WIFI_POWERUP,
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+ .arginfo = QCOM_SCM_ARGS(1),
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+ .args[0] = peripheral,
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+ .owner = ARM_SMCCC_OWNER_SIP,
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+ };
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+ struct qcom_scm_res res;
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+ int ret;
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+
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+ ret = qcom_scm_call(__scm->dev, &desc, &res);
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+
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+ return ret ? : res.result[0];
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+}
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+EXPORT_SYMBOL(qcom_scm_internal_wifi_powerup);
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+
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+/**
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+ * qcom_scm_internal_wifi_shutdown() - Shut down internal wifi
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+ * @peripheral: peripheral id
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+ *
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+ * Returns 0 on success.
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+ */
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+int qcom_scm_internal_wifi_shutdown(u32 peripheral)
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+{
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+ struct qcom_scm_desc desc = {
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+ .svc = QCOM_SCM_SVC_PIL,
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+ .cmd = QCOM_SCM_INTERNAL_WIFI_SHUTDOWN,
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+ .arginfo = QCOM_SCM_ARGS(1),
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+ .args[0] = peripheral,
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+ .owner = ARM_SMCCC_OWNER_SIP,
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+ };
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+ struct qcom_scm_res res;
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+ int ret;
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+
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+ ret = qcom_scm_call(__scm->dev, &desc, &res);
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+
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+ return ret ? : res.result[0];
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+}
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+EXPORT_SYMBOL(qcom_scm_internal_wifi_shutdown);
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+
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+/**
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+ * qcom_scm_pas_load_segment() - copy userpd PIL segments data to dma blocks
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+ * @peripheral: peripheral id
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+ * @segment: segment id
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+ * @dma: handle of dma region
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+ * @seg_cnt: no of dma blocks
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+ *
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+ * Returns 0 if trustzone successfully loads userpd PIL segments from dma
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+ * blocks to DDR
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+ */
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+int qcom_scm_pas_load_segment(u32 peripheral, int segment, dma_addr_t dma, int seg_cnt)
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+{
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+ struct qcom_scm_desc desc = {
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+ .svc = QCOM_SCM_SVC_PIL,
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+ .cmd = QCOM_SCM_PIL_PAS_LOAD_SEG,
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+ .arginfo = QCOM_SCM_ARGS(4, QCOM_SCM_VAL, QCOM_SCM_VAL, QCOM_SCM_RW, QCOM_SCM_VAL),
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+ .args[0] = peripheral,
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+ .args[1] = segment,
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+ .args[2] = dma,
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+ .args[3] = seg_cnt,
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+ .owner = ARM_SMCCC_OWNER_SIP,
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+ };
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+ struct qcom_scm_res res;
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+ int ret;
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+
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+ ret = qcom_scm_call(__scm->dev, &desc, &res);
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+
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+ return ret ? : res.result[0];
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+}
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+EXPORT_SYMBOL(qcom_scm_pas_load_segment);
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+
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+/**
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* qcom_scm_msa_lock() - Lock given peripheral firmware region as MSA
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*
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* @peripheral: peripheral id
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--- a/drivers/firmware/qcom/qcom_scm.h
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+++ b/drivers/firmware/qcom/qcom_scm.h
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@@ -102,6 +102,9 @@ struct qcom_tzmem_pool *qcom_scm_get_tzm
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#define QCOM_SCM_PIL_PAS_SHUTDOWN 0x06
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#define QCOM_SCM_PIL_PAS_IS_SUPPORTED 0x07
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#define QCOM_SCM_PIL_PAS_MSS_RESET 0x0a
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+#define QCOM_SCM_INTERNAL_WIFI_POWERUP 0x17
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+#define QCOM_SCM_INTERNAL_WIFI_SHUTDOWN 0x18
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+#define QCOM_SCM_PIL_PAS_LOAD_SEG 0x19
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#define QCOM_SCM_MSA_LOCK 0x24
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#define QCOM_SCM_MSA_UNLOCK 0x25
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