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path: root/target/linux/ramips/files/drivers/usb/host/xhci-mtk-power.c
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Diffstat (limited to 'target/linux/ramips/files/drivers/usb/host/xhci-mtk-power.c')
-rw-r--r--target/linux/ramips/files/drivers/usb/host/xhci-mtk-power.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/target/linux/ramips/files/drivers/usb/host/xhci-mtk-power.c b/target/linux/ramips/files/drivers/usb/host/xhci-mtk-power.c
deleted file mode 100644
index 9d9352678e..0000000000
--- a/target/linux/ramips/files/drivers/usb/host/xhci-mtk-power.c
+++ /dev/null
@@ -1,115 +0,0 @@
-#include "xhci-mtk.h"
-#include "xhci-mtk-power.h"
-#include "xhci.h"
-#include <linux/kernel.h> /* printk() */
-#include <linux/slab.h>
-#include <linux/delay.h>
-
-static int g_num_u3_port;
-static int g_num_u2_port;
-
-
-void enableXhciAllPortPower(struct xhci_hcd *xhci){
- int i;
- u32 port_id, temp;
- u32 __iomem *addr;
-
- g_num_u3_port = SSUSB_U3_PORT_NUM(readl(SSUSB_IP_CAP));
- g_num_u2_port = SSUSB_U2_PORT_NUM(readl(SSUSB_IP_CAP));
-
- for(i=1; i<=g_num_u3_port; i++){
- port_id=i;
- addr = &xhci->op_regs->port_status_base + NUM_PORT_REGS*(port_id-1 & 0xff);
- temp = xhci_readl(xhci, addr);
- temp = xhci_port_state_to_neutral(temp);
- temp |= PORT_POWER;
- xhci_writel(xhci, temp, addr);
- }
- for(i=1; i<=g_num_u2_port; i++){
- port_id=i+g_num_u3_port;
- addr = &xhci->op_regs->port_status_base + NUM_PORT_REGS*(port_id-1 & 0xff);
- temp = xhci_readl(xhci, addr);
- temp = xhci_port_state_to_neutral(temp);
- temp |= PORT_POWER;
- xhci_writel(xhci, temp, addr);
- }
-}
-
-void enableAllClockPower(){
-
- int i;
- u32 temp;
-
- g_num_u3_port = SSUSB_U3_PORT_NUM(readl(SSUSB_IP_CAP));
- g_num_u2_port = SSUSB_U2_PORT_NUM(readl(SSUSB_IP_CAP));
-
- //2. Enable xHC
- writel(readl(SSUSB_IP_PW_CTRL) | (SSUSB_IP_SW_RST), SSUSB_IP_PW_CTRL);
- writel(readl(SSUSB_IP_PW_CTRL) & (~SSUSB_IP_SW_RST), SSUSB_IP_PW_CTRL);
- writel(readl(SSUSB_IP_PW_CTRL_1) & (~SSUSB_IP_PDN), SSUSB_IP_PW_CTRL_1);
-
- //1. Enable target ports
- for(i=0; i<g_num_u3_port; i++){
- temp = readl(SSUSB_U3_CTRL(i));
- temp = temp & (~SSUSB_U3_PORT_PDN) & (~SSUSB_U3_PORT_DIS);
- writel(temp, SSUSB_U3_CTRL(i));
- }
- for(i=0; i<g_num_u2_port; i++){
- temp = readl(SSUSB_U2_CTRL(i));
- temp = temp & (~SSUSB_U2_PORT_PDN) & (~SSUSB_U2_PORT_DIS);
- writel(temp, SSUSB_U2_CTRL(i));
- }
- msleep(100);
-}
-
-
-//(X)disable clock/power of a port
-//(X)if all ports are disabled, disable IP ctrl power
-//disable all ports and IP clock/power, this is just mention HW that the power/clock of port
-//and IP could be disable if suspended.
-//If doesn't not disable all ports at first, the IP clock/power will never be disabled
-//(some U2 and U3 ports are binded to the same connection, that is, they will never enter suspend at the same time
-//port_index: port number
-//port_rev: 0x2 - USB2.0, 0x3 - USB3.0 (SuperSpeed)
-void disablePortClockPower(void){
- int i;
- u32 temp;
-
- g_num_u3_port = SSUSB_U3_PORT_NUM(readl(SSUSB_IP_CAP));
- g_num_u2_port = SSUSB_U2_PORT_NUM(readl(SSUSB_IP_CAP));
-
- for(i=0; i<g_num_u3_port; i++){
- temp = readl(SSUSB_U3_CTRL(i));
- temp = temp | (SSUSB_U3_PORT_PDN);
- writel(temp, SSUSB_U3_CTRL(i));
- }
- for(i=0; i<g_num_u2_port; i++){
- temp = readl(SSUSB_U2_CTRL(i));
- temp = temp | (SSUSB_U2_PORT_PDN);
- writel(temp, SSUSB_U2_CTRL(i));
- }
- writel(readl(SSUSB_IP_PW_CTRL_1) | (SSUSB_IP_PDN), SSUSB_IP_PW_CTRL_1);
-}
-
-//if IP ctrl power is disabled, enable it
-//enable clock/power of a port
-//port_index: port number
-//port_rev: 0x2 - USB2.0, 0x3 - USB3.0 (SuperSpeed)
-void enablePortClockPower(int port_index, int port_rev){
- int i;
- u32 temp;
-
- writel(readl(SSUSB_IP_PW_CTRL_1) & (~SSUSB_IP_PDN), SSUSB_IP_PW_CTRL_1);
-
- if(port_rev == 0x3){
- temp = readl(SSUSB_U3_CTRL(port_index));
- temp = temp & (~SSUSB_U3_PORT_PDN);
- writel(temp, SSUSB_U3_CTRL(port_index));
- }
- else if(port_rev == 0x2){
- temp = readl(SSUSB_U2_CTRL(port_index));
- temp = temp & (~SSUSB_U2_PORT_PDN);
- writel(temp, SSUSB_U2_CTRL(port_index));
- }
-}
-