[PATCH 5/6] HID: amd_sfh: Extend MP2 register access to SFH
Li Ma
li.ma at amd.com
Wed May 22 06:29:16 UTC 2024
From: Basavaraj Natikar <Basavaraj.Natikar at amd.com>
Various MP2 register sets are supported by newer processors. Therefore,
extend MP2 register access to SFH.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar at amd.com>
Signed-off-by: Jiri Kosina <jkosina at suse.com>
(cherry picked from commit 6296562f30b1caf4b5f44e0c89c8f5cbfdb14b4a)
---
drivers/hid/amd-sfh-hid/amd_sfh_common.h | 14 ++++++++++++++
drivers/hid/amd-sfh-hid/amd_sfh_pcie.c | 9 ++++++---
drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c | 2 +-
drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c | 4 ++--
drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c | 10 +++++-----
5 files changed, 28 insertions(+), 11 deletions(-)
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_common.h b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
index ef5551c1eec5..e5620d7db569 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_common.h
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
@@ -19,6 +19,9 @@
#define AMD_C2P_MSG(regno) (0x10500 + ((regno) * 4))
#define AMD_P2C_MSG(regno) (0x10680 + ((regno) * 4))
+#define AMD_C2P_MSG_V1(regno) (0x10900 + ((regno) * 4))
+#define AMD_P2C_MSG_V1(regno) (0x10500 + ((regno) * 4))
+
#define SENSOR_ENABLED 4
#define SENSOR_DISABLED 5
@@ -55,6 +58,7 @@ struct amd_mp2_dev {
struct sfh_dev_status dev_en;
struct work_struct work;
u8 init_done;
+ u8 rver;
};
struct amd_mp2_ops {
@@ -81,4 +85,14 @@ void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata);
int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata);
void amd_sfh_clear_intr(struct amd_mp2_dev *privdata);
int amd_sfh_irq_init(struct amd_mp2_dev *privdata);
+
+static inline u64 amd_get_c2p_val(struct amd_mp2_dev *mp2, u32 idx)
+{
+ return mp2->rver == 1 ? AMD_C2P_MSG_V1(idx) : AMD_C2P_MSG(idx);
+}
+
+static inline u64 amd_get_p2c_val(struct amd_mp2_dev *mp2, u32 idx)
+{
+ return mp2->rver == 1 ? AMD_P2C_MSG_V1(idx) : AMD_P2C_MSG(idx);
+}
#endif
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
index 495ec1179ee5..9e97c26c4482 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
@@ -99,9 +99,9 @@ static void amd_stop_all_sensor_v2(struct amd_mp2_dev *privdata)
void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata)
{
- if (readl(privdata->mmio + AMD_P2C_MSG(4))) {
- writel(0, privdata->mmio + AMD_P2C_MSG(4));
- writel(0xf, privdata->mmio + AMD_P2C_MSG(5));
+ if (readl(privdata->mmio + amd_get_p2c_val(privdata, 4))) {
+ writel(0, privdata->mmio + amd_get_p2c_val(privdata, 4));
+ writel(0xf, privdata->mmio + amd_get_p2c_val(privdata, 5));
}
}
@@ -410,6 +410,9 @@ static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
privdata->sfh1_1_ops = (const struct amd_sfh1_1_ops *)id->driver_data;
if (privdata->sfh1_1_ops) {
+ if (boot_cpu_data.x86 >= 0x1A)
+ privdata->rver = 1;
+
rc = devm_work_autocancel(&pdev->dev, &privdata->work, sfh1_1_init_work);
if (rc)
return rc;
diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c
index 33fbdde8aff0..c8916afefa62 100644
--- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c
+++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c
@@ -251,7 +251,7 @@ static u8 get_input_rep(u8 current_index, int sensor_idx, int report_id,
break;
case HPD_IDX:
get_common_inputs(&hpd_input.common_property, report_id);
- hpdstatus.val = readl(mp2->mmio + AMD_C2P_MSG(4));
+ hpdstatus.val = readl(mp2->mmio + amd_get_c2p_val(mp2, 4));
hpd_input.human_presence = hpdstatus.shpd.presence;
report_size = sizeof(hpd_input);
memcpy(input_report, &hpd_input, sizeof(hpd_input));
diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
index 9dbe6f4cb294..5b24d5f63701 100644
--- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
+++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
@@ -172,7 +172,7 @@ static int amd_sfh1_1_hid_client_init(struct amd_mp2_dev *privdata)
if (rc)
goto cleanup;
- writel(0, privdata->mmio + AMD_P2C_MSG(0));
+ writel(0, privdata->mmio + amd_get_p2c_val(privdata, 0));
mp2_ops->start(privdata, info);
status = amd_sfh_wait_for_response
(privdata, cl_data->sensor_idx[i], ENABLE_SENSOR);
@@ -298,7 +298,7 @@ static void amd_sfh_set_ops(struct amd_mp2_dev *mp2)
int amd_sfh1_1_init(struct amd_mp2_dev *mp2)
{
- u32 phy_base = readl(mp2->mmio + AMD_C2P_MSG(22));
+ u32 phy_base = readl(mp2->mmio + amd_get_c2p_val(mp2, 22));
struct device *dev = &mp2->pdev->dev;
struct sfh_base_info binfo;
int rc;
diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
index ae36312bc236..2de2668a0277 100644
--- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
+++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
@@ -20,7 +20,7 @@ static int amd_sfh_wait_response(struct amd_mp2_dev *mp2, u8 sid, u32 cmd_id)
struct sfh_cmd_response cmd_resp;
/* Get response with status within a max of 10000 ms timeout */
- if (!readl_poll_timeout(mp2->mmio + AMD_P2C_MSG(0), cmd_resp.resp,
+ if (!readl_poll_timeout(mp2->mmio + amd_get_p2c_val(mp2, 0), cmd_resp.resp,
(cmd_resp.response.response == 0 &&
cmd_resp.response.cmd_id == cmd_id && (sid == 0xff ||
cmd_resp.response.sensor_id == sid)), 500, 10000000))
@@ -39,7 +39,7 @@ static void amd_start_sensor(struct amd_mp2_dev *privdata, struct amd_mp2_sensor
cmd_base.cmd.sub_cmd_value = 1;
cmd_base.cmd.sensor_id = info.sensor_idx;
- writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG(0));
+ writel(cmd_base.ul, privdata->mmio + amd_get_c2p_val(privdata, 0));
}
static void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx)
@@ -52,8 +52,8 @@ static void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx)
cmd_base.cmd.sub_cmd_value = 1;
cmd_base.cmd.sensor_id = sensor_idx;
- writeq(0x0, privdata->mmio + AMD_C2P_MSG(1));
- writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG(0));
+ writeq(0x0, privdata->mmio + amd_get_c2p_val(privdata, 1));
+ writel(cmd_base.ul, privdata->mmio + amd_get_c2p_val(privdata, 0));
}
static void amd_stop_all_sensor(struct amd_mp2_dev *privdata)
@@ -66,7 +66,7 @@ static void amd_stop_all_sensor(struct amd_mp2_dev *privdata)
/* 0xf indicates all sensors */
cmd_base.cmd.sensor_id = 0xf;
- writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG(0));
+ writel(cmd_base.ul, privdata->mmio + amd_get_c2p_val(privdata, 0));
}
static struct amd_mp2_ops amd_sfh_ops = {
--
2.25.1
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