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linux: add dmi info

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This commit is contained in:
Andy Nguyen
2026-05-03 17:22:38 +02:00
parent bb79008922
commit 59dce27dca
1 changed files with 131 additions and 25 deletions
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156
linux.patch
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@@ -440,6 +440,44 @@ index 53fbd2e0acdd..d36c1909e0e6 100644
obj-$(CONFIG_S390) += s390/
+
+obj-$(CONFIG_X86_PS5) += ps5/
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 70d39adf50dc..bb6eefe67cfb 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -675,6 +675,18 @@ static void __init dmi_scan_machine(void)
char __iomem *p, *q;
char buf[32];
+#ifdef CONFIG_X86_PS5
+ if (!dmi_available) {
+ dmi_ident[DMI_SYS_VENDOR] = "Sony Interactive Entertainment";
+ dmi_ident[DMI_PRODUCT_NAME] = "PlayStation 5";
+ /* Filled by spcie.c */
+ dmi_ident[DMI_PRODUCT_VERSION] = "Unknown";
+ dmi_ident[DMI_PRODUCT_SERIAL] = "Unknown";
+ dmi_available = 1;
+ return;
+ }
+#endif
+
if (efi_enabled(EFI_CONFIG_TABLES)) {
/*
* According to the DMTF SMBIOS reference spec v3.0.0, it is
@@ -953,6 +965,14 @@ const char *dmi_get_system_info(int field)
}
EXPORT_SYMBOL(dmi_get_system_info);
+#ifdef CONFIG_X86_PS5
+void dmi_set_system_info(int field, const char *str)
+{
+ dmi_ident[field] = str;
+}
+EXPORT_SYMBOL(dmi_set_system_info);
+#endif
+
/**
* dmi_name_in_serial - Check if string is in the DMI product serial information
* @str: string to check for
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 447e734c362b..c52c81e084a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -536,7 +574,7 @@ index af3d2fd61cf3..c31152f5a158 100644
break;
default:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index c91638e65174..c9e4bd5dee98 100644
index c91638e65174..c25b073ca658 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -41,6 +41,10 @@
@@ -1088,7 +1126,7 @@ index 000000000000..7acb030a4976
+obj-y += spcie.o tpcie.o hdmi.o mp1.o
diff --git a/drivers/ps5/hdmi.c b/drivers/ps5/hdmi.c
new file mode 100644
index 000000000000..1edee8c4316c
index 000000000000..d819d8f254d8
--- /dev/null
+++ b/drivers/ps5/hdmi.c
@@ -0,0 +1,1035 @@
@@ -2463,16 +2501,17 @@ index 000000000000..ef5c9dcb43ef
+MODULE_LICENSE("GPL");
diff --git a/drivers/ps5/spcie.c b/drivers/ps5/spcie.c
new file mode 100644
index 000000000000..9e1b790465f8
index 000000000000..2dedc3b11a45
--- /dev/null
+++ b/drivers/ps5/spcie.c
@@ -0,0 +1,562 @@
@@ -0,0 +1,614 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/miscdevice.h>
+#include <linux/pci.h>
+#include <linux/ps5.h>
+#include <linux/dmi.h>
+
+#define PCI_DEVICE_ID_SPCIE 0x9107
+#define SPCIE_SUBFUNC_ICC 12
@@ -2622,6 +2661,48 @@ index 000000000000..9e1b790465f8
+}
+EXPORT_SYMBOL(icc_query);
+
+int icc_nvs_write(u32 partition, u16 offset, u16 length, const void *data)
+{
+ u8 buf[ICC_MSG_MAX_SIZE] = {};
+ struct icc_msg *msg = (struct icc_msg *)buf;
+
+ msg->service_id = ICC_SERVICE_ID_NVS;
+ msg->msg_type = 0;
+ msg->length = sizeof(*msg) + 6 + length;
+ msg->data[0] = 0;
+ msg->data[1] = partition;
+ *(u16 *)&msg->data[2] = offset;
+ *(u16 *)&msg->data[4] = length;
+ memcpy(&msg->data[6], data, length);
+
+ return icc_query(buf, buf);
+}
+EXPORT_SYMBOL(icc_nvs_write);
+
+int icc_nvs_read(u32 partition, u16 offset, u16 length, void *data)
+{
+ u8 buf[ICC_MSG_MAX_SIZE] = {};
+ struct icc_msg *msg = (struct icc_msg *)buf;
+ int ret;
+
+ msg->service_id = ICC_SERVICE_ID_NVS;
+ msg->msg_type = 1;
+ msg->length = ICC_MSG_MIN_SIZE;
+ msg->data[0] = 0;
+ msg->data[1] = partition;
+ *(u16 *)&msg->data[2] = offset;
+ *(u16 *)&msg->data[4] = length;
+
+ ret = icc_query(buf, buf);
+ if (ret)
+ return ret;
+
+ memcpy(data, &msg->data[2], length);
+
+ return 0;
+}
+EXPORT_SYMBOL(icc_nvs_read);
+
+int icc_usbc_set_pdcon_op_mode(u8 PortId, u8 OpMode)
+{
+ u8 buf[ICC_MSG_MAX_SIZE] = {};
@@ -2736,17 +2817,17 @@ index 000000000000..9e1b790465f8
+{
+ int ret;
+
+ // power button
+ /* power button */
+ ret = icc_button_enable_notification(0, enable);
+ if (ret)
+ return ret;
+
+ // eject button
+ /* eject button */
+ ret = icc_button_enable_notification(1, enable);
+ if (ret)
+ return ret;
+
+ // reset button
+ /* reset button */
+ ret = icc_button_enable_notification(2, enable);
+ if (ret)
+ return ret;
@@ -2841,7 +2922,7 @@ index 000000000000..9e1b790465f8
+ if (!intr_status)
+ break;
+
+ // Ack the interrupt.
+ /* Ack the interrupt */
+ writel(intr_status, icc_dev->icc_doorbell_base + ICC_REG_INTR_STATUS);
+
+ if (intr_status & ICC_SEND) {
@@ -2923,29 +3004,38 @@ index 000000000000..9e1b790465f8
+ icc_dev->icc_doorbell_base = sdev->bar2 + ICC_DOORBELL_OFFSET;
+ icc_dev->icc_base = sdev->bar4;
+
+ // Clear status.
+ /* Clear status */
+ writel(ICC_SEND | ICC_ACK, icc_dev->icc_doorbell_base + ICC_REG_INTR_STATUS);
+
+ // Request IRQ for icc subfunc.
+ /* Request IRQ for icc subfunc */
+ vector = pci_irq_vector(sdev->pdev, SPCIE_SUBFUNC_ICC);
+ ret = devm_request_irq(&sdev->pdev->dev, vector, icc_interrupt, 0, "icc", icc_dev);
+ if (ret)
+ return ret;
+
+ // Enable IRQs.
+ /* Enable IRQs */
+ writel(ICC_SEND | ICC_ACK, icc_dev->icc_doorbell_base + ICC_REG_INTR_MASK);
+
+ // Enable notifications.
+ /* Set DMI info */
+ static char hw_model[32] = {0}, hw_info[32] = {0};
+ if (icc_nvs_read(2, 0x30, 0x20, hw_model) == 0) {
+ dmi_set_system_info(DMI_PRODUCT_VERSION, hw_model);
+ }
+ if (icc_nvs_read(2, 0x10, 0x11, hw_info) == 0) {
+ dmi_set_system_info(DMI_PRODUCT_SERIAL, hw_info);
+ }
+
+ /* Enable notifications */
+ icc_button_enable_all_notifications(1);
+ icc_thermal_enable_notification(1);
+
+ // Set LED to white dim.
+ /* Set LED to white dim */
+ icc_indicator_set_led_white(0);
+
+ // Enable SuperSpeed-USB-C port.
+ /* Enable SuperSpeed-USB-C port */
+ icc_usbc_set_pdcon_op_mode(0, 5);
+
+ // Initialize HDMI.
+ /* Initialize HDMI */
+ getHdmiConfiguration();
+ sceControlHdmiEvent(1);
+ sceHdmiInitVideoConfig();
@@ -3031,10 +3121,10 @@ index 000000000000..9e1b790465f8
+MODULE_LICENSE("GPL");
diff --git a/drivers/ps5/tpcie.c b/drivers/ps5/tpcie.c
new file mode 100644
index 000000000000..7d0aa58aaf93
index 000000000000..cfe53c9861c1
--- /dev/null
+++ b/drivers/ps5/tpcie.c
@@ -0,0 +1,295 @@
@@ -0,0 +1,294 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/console.h>
@@ -3222,20 +3312,20 @@ index 000000000000..7d0aa58aaf93
+
+ register_console(&tpcie_uart_console);
+
+ // Request IRQ for uart subfunc.
+ /* Request IRQ for uart subfunc */
+ vector = pci_irq_vector(tdev->pdev, TPCIE_SUBFUNC_UART);
+ ret = devm_request_irq(&tdev->pdev->dev, vector, uart_interrupt, 0, "uart", uart_dev);
+ if (ret)
+ goto err_unreg_tty;
+
+ // Special MSI configuration.
+ /* Special MSI configuration */
+ ret = irq_chip_compose_msi_msg(irq_get_irq_data(vector), &msg);
+ if (ret)
+ goto err_unreg_tty;
+
+ tcpie_config_msi(tdev, TPCIE_SUBFUNC_UART, &msg);
+
+ // Enable IRQs.
+ /* Enable IRQs */
+ writel(0x10, uart_dev->uart_base + 0x8);
+
+ return 0;
@@ -3252,9 +3342,8 @@ index 000000000000..7d0aa58aaf93
+ if (!uart_dev)
+ return;
+
+ // Disable IRQs.
+ if (uart_dev->uart_base)
+ writel(0, uart_dev->uart_base + 0x8);
+ /* Disable IRQs */
+ writel(0, uart_dev->uart_base + 0x8);
+
+ unregister_console(&tpcie_uart_console);
+
@@ -3330,12 +3419,26 @@ index 000000000000..7d0aa58aaf93
+MODULE_AUTHOR("Andy Nguyen");
+MODULE_DESCRIPTION("PlayStation 5 Titania PCI Express glue driver");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 927f8a8b7a1d..474f1207e2f3 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -100,6 +100,9 @@ extern struct kobject *dmi_kobj;
extern int dmi_check_system(const struct dmi_system_id *list);
const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
extern const char * dmi_get_system_info(int field);
+#ifdef CONFIG_X86_PS5
+extern void dmi_set_system_info(int field, const char *str);
+#endif
extern const struct dmi_device * dmi_find_device(int type, const char *name,
const struct dmi_device *from);
extern void dmi_setup(void);
diff --git a/include/linux/ps5.h b/include/linux/ps5.h
new file mode 100644
index 000000000000..9b34ae8f2b73
index 000000000000..b510bd4f9dab
--- /dev/null
+++ b/include/linux/ps5.h
@@ -0,0 +1,71 @@
@@ -0,0 +1,74 @@
+#ifndef _LINUX_PS5_H
+#define _LINUX_PS5_H
+
@@ -3388,6 +3491,9 @@ index 000000000000..9b34ae8f2b73
+int getHdmiConfiguration(void);
+int isHdmiEnabled(void);
+
+int icc_nvs_write(u32 partition, u16 offset, u16 length, const void *data);
+int icc_nvs_read(u32 partition, u16 offset, u16 length, void *data);
+
+int icc_usbc_set_pdcon_op_mode(u8 PortId, u8 OpMode);
+int icc_configuration_set_cpu_info_bit(u8 *bit);
+int icc_configuration_clear_cpu_info_bit(void);