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Subject[PATCH 5/9] staging: r8188: remove interface mask from power transitions
Date
For the r8188 driver, we always have a usb interface. We can remove
the power transition steps that are not applicable for a usb interface.

We can then remove the interface mask itself.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
drivers/staging/r8188eu/hal/HalPwrSeqCmd.c | 81 +++++++++----------
drivers/staging/r8188eu/hal/usb_halinit.c | 6 +-
.../staging/r8188eu/include/Hal8188EPwrSeq.h | 69 ++++++++--------
.../staging/r8188eu/include/HalPwrSeqCmd.h | 12 +--
4 files changed, 76 insertions(+), 92 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/HalPwrSeqCmd.c b/drivers/staging/r8188eu/hal/HalPwrSeqCmd.c
index ae8bcfe2319c..47ad4ea273cc 100644
--- a/drivers/staging/r8188eu/hal/HalPwrSeqCmd.c
+++ b/drivers/staging/r8188eu/hal/HalPwrSeqCmd.c
@@ -25,7 +25,7 @@ Major Change History:
* Assumption:
* We should follow specific format which was released from HW SD.
*/
-u8 HalPwrSeqCmdParsing(struct adapter *padapter, u8 ifacetype, struct wl_pwr_cfg pwrseqcmd[])
+u8 HalPwrSeqCmdParsing(struct adapter *padapter, struct wl_pwr_cfg pwrseqcmd[])
{
struct wl_pwr_cfg pwrcfgcmd = {0};
u8 poll_bit = false;
@@ -38,52 +38,49 @@ u8 HalPwrSeqCmdParsing(struct adapter *padapter, u8 ifacetype, struct wl_pwr_cfg
do {
pwrcfgcmd = pwrseqcmd[aryidx];

- /* 2 Only Handle the command whose Interface is matched */
- if ((GET_PWR_CFG_INTF_MASK(pwrcfgcmd) & ifacetype)) {
- switch (GET_PWR_CFG_CMD(pwrcfgcmd)) {
- case PWR_CMD_WRITE:
- offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
+ switch (GET_PWR_CFG_CMD(pwrcfgcmd)) {
+ case PWR_CMD_WRITE:
+ offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);

- /* Read the value from system register */
- value = rtw_read8(padapter, offset);
-
- value &= ~(GET_PWR_CFG_MASK(pwrcfgcmd));
- value |= (GET_PWR_CFG_VALUE(pwrcfgcmd) & GET_PWR_CFG_MASK(pwrcfgcmd));
+ /* Read the value from system register */
+ value = rtw_read8(padapter, offset);

- /* Write the value back to system register */
- rtw_write8(padapter, offset, value);
- break;
- case PWR_CMD_POLLING:
- poll_bit = false;
- offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
- do {
- value = rtw_read8(padapter, offset);
+ value &= ~(GET_PWR_CFG_MASK(pwrcfgcmd));
+ value |= (GET_PWR_CFG_VALUE(pwrcfgcmd) & GET_PWR_CFG_MASK(pwrcfgcmd));

- value &= GET_PWR_CFG_MASK(pwrcfgcmd);
- if (value == (GET_PWR_CFG_VALUE(pwrcfgcmd) & GET_PWR_CFG_MASK(pwrcfgcmd)))
- poll_bit = true;
- else
- udelay(10);
+ /* Write the value back to system register */
+ rtw_write8(padapter, offset, value);
+ break;
+ case PWR_CMD_POLLING:
+ poll_bit = false;
+ offset = GET_PWR_CFG_OFFSET(pwrcfgcmd);
+ do {
+ value = rtw_read8(padapter, offset);

- if (poll_count++ > max_poll_count) {
- DBG_88E("Fail to polling Offset[%#x]\n", offset);
- return false;
- }
- } while (!poll_bit);
- break;
- case PWR_CMD_DELAY:
- if (GET_PWR_CFG_VALUE(pwrcfgcmd) == PWRSEQ_DELAY_US)
- udelay(GET_PWR_CFG_OFFSET(pwrcfgcmd));
+ value &= GET_PWR_CFG_MASK(pwrcfgcmd);
+ if (value == (GET_PWR_CFG_VALUE(pwrcfgcmd) & GET_PWR_CFG_MASK(pwrcfgcmd)))
+ poll_bit = true;
else
- udelay(GET_PWR_CFG_OFFSET(pwrcfgcmd) * 1000);
- break;
- case PWR_CMD_END:
- /* When this command is parsed, end the process */
- return true;
- break;
- default:
- break;
- }
+ udelay(10);
+
+ if (poll_count++ > max_poll_count) {
+ DBG_88E("Fail to polling Offset[%#x]\n", offset);
+ return false;
+ }
+ } while (!poll_bit);
+ break;
+ case PWR_CMD_DELAY:
+ if (GET_PWR_CFG_VALUE(pwrcfgcmd) == PWRSEQ_DELAY_US)
+ udelay(GET_PWR_CFG_OFFSET(pwrcfgcmd));
+ else
+ udelay(GET_PWR_CFG_OFFSET(pwrcfgcmd) * 1000);
+ break;
+ case PWR_CMD_END:
+ /* When this command is parsed, end the process */
+ return true;
+ break;
+ default:
+ break;
}

aryidx++;/* Add Array Index */
diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
index 3d73e6a96872..9edde72aebb2 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -78,7 +78,7 @@ u32 rtl8188eu_InitPowerOn(struct adapter *adapt)
if (haldata->bMacPwrCtrlOn)
return _SUCCESS;

- if (!HalPwrSeqCmdParsing(adapt, PWR_INTF_USB_MSK, Rtl8188E_NIC_PWR_ON_FLOW)) {
+ if (!HalPwrSeqCmdParsing(adapt, Rtl8188E_NIC_PWR_ON_FLOW)) {
DBG_88E(KERN_ERR "%s: run power on flow fail\n", __func__);
return _FAIL;
}
@@ -824,7 +824,7 @@ static void CardDisableRTL8188EU(struct adapter *Adapter)
rtw_write8(Adapter, REG_CR, 0x0);

/* Run LPS WL RFOFF flow */
- HalPwrSeqCmdParsing(Adapter, PWR_INTF_USB_MSK, Rtl8188E_NIC_LPS_ENTER_FLOW);
+ HalPwrSeqCmdParsing(Adapter, Rtl8188E_NIC_LPS_ENTER_FLOW);

/* 2. 0x1F[7:0] = 0 turn off RF */

@@ -845,7 +845,7 @@ static void CardDisableRTL8188EU(struct adapter *Adapter)
rtw_write8(Adapter, REG_32K_CTRL, val8 & (~BIT(0)));

/* Card disable power action flow */
- HalPwrSeqCmdParsing(Adapter, PWR_INTF_USB_MSK, Rtl8188E_NIC_DISABLE_FLOW);
+ HalPwrSeqCmdParsing(Adapter, Rtl8188E_NIC_DISABLE_FLOW);

/* Reset MCU IO Wrapper */
val8 = rtw_read8(Adapter, REG_RSV_CTRL + 1);
diff --git a/drivers/staging/r8188eu/include/Hal8188EPwrSeq.h b/drivers/staging/r8188eu/include/Hal8188EPwrSeq.h
index 8682e33d4430..44016b798f89 100644
--- a/drivers/staging/r8188eu/include/Hal8188EPwrSeq.h
+++ b/drivers/staging/r8188eu/include/Hal8188EPwrSeq.h
@@ -8,55 +8,52 @@

#define RTL8188E_TRANS_CARDEMU_TO_ACT \
/* format */ \
- /* { offset, interface_msk, base|cmd, msk, value }, comments here*/ \
- {0x0006, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_POLLING, BIT(1), BIT(1)},/* wait till 0x04[17] = 1 power ready*/ \
- {0x0002, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(0)|BIT(1), 0}, /* 0x02[1:0] = 0 reset BB*/ \
- {0x0026, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(7), BIT(7)}, /*0x24[23] = 2b'01 schmit trigger */ \
- {0x0005, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(7), 0}, /* 0x04[15] = 0 disable HWPDN (control by DRV)*/\
- {0x0005, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4)|BIT(3), 0}, /*0x04[12:11] = 2b'00 disable WL suspend*/ \
- {0x0005, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(0), BIT(0)}, /*0x04[8] = 1 polling until return 0*/ \
- {0x0005, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_POLLING, BIT(0), 0}, /*wait till 0x04[8] = 0*/ \
- {0x0023, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), 0}, /*LDO normal mode*/ \
- {0x0074, PWR_INTF_SDIO_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), BIT(4)}, /*SDIO Driving*/ \
+ /* { offset, base|cmd, msk, value }, comments here*/ \
+ {0x0006, PWR_BASEADDR_MAC, PWR_CMD_POLLING, BIT(1), BIT(1)},/* wait till 0x04[17] = 1 power ready*/ \
+ {0x0002, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(0)|BIT(1), 0}, /* 0x02[1:0] = 0 reset BB*/ \
+ {0x0026, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(7), BIT(7)}, /*0x24[23] = 2b'01 schmit trigger */ \
+ {0x0005, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(7), 0}, /* 0x04[15] = 0 disable HWPDN (control by DRV)*/\
+ {0x0005, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4)|BIT(3), 0}, /*0x04[12:11] = 2b'00 disable WL suspend*/ \
+ {0x0005, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(0), BIT(0)}, /*0x04[8] = 1 polling until return 0*/ \
+ {0x0005, PWR_BASEADDR_MAC, PWR_CMD_POLLING, BIT(0), 0}, /*wait till 0x04[8] = 0*/ \
+ {0x0023, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), 0}, /*LDO normal mode*/ \

#define RTL8188E_TRANS_ACT_TO_CARDEMU \
/* format */ \
- /* { offset, interface_msk, base|cmd, msk, value }, comments here*/ \
- {0x001F, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, 0xFF, 0},/*0x1F[7:0] = 0 turn off RF*/ \
- {0x0023, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), BIT(4)}, /*LDO Sleep mode*/ \
- {0x0005, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(1), BIT(1)}, /*0x04[9] = 1 turn off MAC by HW state machine*/ \
- {0x0005, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_POLLING, BIT(1), 0}, /*wait till 0x04[9] = 0 polling until return 0 to disable*/ \
+ /* { offset, base|cmd, msk, value }, comments here*/ \
+ {0x001F, PWR_BASEADDR_MAC, PWR_CMD_WRITE, 0xFF, 0},/*0x1F[7:0] = 0 turn off RF*/ \
+ {0x0023, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), BIT(4)}, /*LDO Sleep mode*/ \
+ {0x0005, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(1), BIT(1)}, /*0x04[9] = 1 turn off MAC by HW state machine*/ \
+ {0x0005, PWR_BASEADDR_MAC, PWR_CMD_POLLING, BIT(1), 0}, /*wait till 0x04[9] = 0 polling until return 0 to disable*/ \

#define RTL8188E_TRANS_CARDEMU_TO_CARDDIS \
/* format */ \
- /* { offset, interface_msk, base|cmd, msk, value }, comments here*/ \
- {0x0026, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(7), BIT(7)}, /*0x24[23] = 2b'01 schmit trigger */ \
- {0x0005, PWR_INTF_USB_MSK|PWR_INTF_SDIO_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(3)|BIT(4), BIT(3)}, /*0x04[12:11] = 2b'01 enable WL suspend*/ \
- {0x0007, PWR_INTF_USB_MSK|PWR_INTF_SDIO_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, 0xFF, 0}, /* 0x04[31:30] = 2b'10 enable enable bandgap mbias in suspend */ \
- {0x0041, PWR_INTF_USB_MSK|PWR_INTF_SDIO_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), 0}, /*Clear SIC_EN register 0x40[12] = 1'b0 */ \
- {0xfe10, PWR_INTF_USB_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), BIT(4)}, /*Set USB suspend enable local register 0xfe10[4]=1 */ \
- {0x0086, PWR_INTF_SDIO_MSK, PWR_BASEADDR_SDIO, PWR_CMD_WRITE, BIT(0), BIT(0)}, /*Set SDIO suspend local register*/ \
- {0x0086, PWR_INTF_SDIO_MSK, PWR_BASEADDR_SDIO, PWR_CMD_POLLING, BIT(1), 0}, /*wait power state to suspend*/
+ /* { offset, base|cmd, msk, value }, comments here*/ \
+ {0x0026, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(7), BIT(7)}, /*0x24[23] = 2b'01 schmit trigger */ \
+ {0x0005, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(3)|BIT(4), BIT(3)}, /*0x04[12:11] = 2b'01 enable WL suspend*/ \
+ {0x0007, PWR_BASEADDR_MAC, PWR_CMD_WRITE, 0xFF, 0}, /* 0x04[31:30] = 2b'10 enable enable bandgap mbias in suspend */ \
+ {0x0041, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), 0}, /*Clear SIC_EN register 0x40[12] = 1'b0 */ \
+ {0xfe10, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(4), BIT(4)}, /*Set USB suspend enable local register 0xfe10[4]=1 */ \

/* This is used by driver for LPSRadioOff Procedure, not for FW LPS Step */
#define RTL8188E_TRANS_ACT_TO_LPS \
/* format */ \
- /* { offset, interface_msk, base|cmd, msk, value }, comments here */ \
- {0x0522, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, 0xFF, 0x7F},/*Tx Pause*/ \
- {0x05F8, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_POLLING, 0xFF, 0},/*Should be zero if no packet is transmitting*/ \
- {0x05F9, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_POLLING, 0xFF, 0},/*Should be zero if no packet is transmitting*/ \
- {0x05FA, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_POLLING, 0xFF, 0},/*Should be zero if no packet is transmitting*/ \
- {0x05FB, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_POLLING, 0xFF, 0},/*Should be zero if no packet is transmitting*/ \
- {0x0002, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(0), 0},/*CCK and OFDM are disabled,and clock are gated*/ \
- {0x0002, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_DELAY, 0, PWRSEQ_DELAY_US},/*Delay 1us*/ \
- {0x0100, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, 0xFF, 0x3F},/*Reset MAC TRX*/ \
- {0x0101, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(1), 0},/*check if removed later*/ \
- {0x0553, PWR_INTF_ALL_MSK, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(5), BIT(5)},/*Respond TxOK to scheduler*/ \
+ /* { offset, base|cmd, msk, value }, comments here */ \
+ {0x0522, PWR_BASEADDR_MAC, PWR_CMD_WRITE, 0xFF, 0x7F},/*Tx Pause*/ \
+ {0x05F8, PWR_BASEADDR_MAC, PWR_CMD_POLLING, 0xFF, 0},/*Should be zero if no packet is transmitting*/ \
+ {0x05F9, PWR_BASEADDR_MAC, PWR_CMD_POLLING, 0xFF, 0},/*Should be zero if no packet is transmitting*/ \
+ {0x05FA, PWR_BASEADDR_MAC, PWR_CMD_POLLING, 0xFF, 0},/*Should be zero if no packet is transmitting*/ \
+ {0x05FB, PWR_BASEADDR_MAC, PWR_CMD_POLLING, 0xFF, 0},/*Should be zero if no packet is transmitting*/ \
+ {0x0002, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(0), 0},/*CCK and OFDM are disabled,and clock are gated*/ \
+ {0x0002, PWR_BASEADDR_MAC, PWR_CMD_DELAY, 0, PWRSEQ_DELAY_US},/*Delay 1us*/ \
+ {0x0100, PWR_BASEADDR_MAC, PWR_CMD_WRITE, 0xFF, 0x3F},/*Reset MAC TRX*/ \
+ {0x0101, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(1), 0},/*check if removed later*/ \
+ {0x0553, PWR_BASEADDR_MAC, PWR_CMD_WRITE, BIT(5), BIT(5)},/*Respond TxOK to scheduler*/ \

#define RTL8188E_TRANS_END \
/* format */ \
- /* { offset, interface_msk, base|cmd, msk, value }, comments here*/ \
- {0xFFFF, PWR_INTF_ALL_MSK,0, PWR_CMD_END, 0, 0}, /* */
+ /* { offset, base|cmd, msk, value }, comments here*/ \
+ {0xFFFF, 0, PWR_CMD_END, 0, 0}, /* */

extern struct wl_pwr_cfg rtl8188E_power_on_flow[];
extern struct wl_pwr_cfg rtl8188E_card_disable_flow[];
diff --git a/drivers/staging/r8188eu/include/HalPwrSeqCmd.h b/drivers/staging/r8188eu/include/HalPwrSeqCmd.h
index 69173c9970b7..e1826fc9c001 100644
--- a/drivers/staging/r8188eu/include/HalPwrSeqCmd.h
+++ b/drivers/staging/r8188eu/include/HalPwrSeqCmd.h
@@ -50,14 +50,6 @@
#define PWR_BASEADDR_PCIE 0x02
#define PWR_BASEADDR_SDIO 0x03

-/*---------------------------------------------*/
-/* 3 The value of interface_msk: 4 bits */
-/*---------------------------------------------*/
-#define PWR_INTF_SDIO_MSK BIT(0)
-#define PWR_INTF_USB_MSK BIT(1)
-#define PWR_INTF_PCI_MSK BIT(2)
-#define PWR_INTF_ALL_MSK (BIT(0)|BIT(1)|BIT(2)|BIT(3))
-
enum pwrseq_cmd_delat_unit {
PWRSEQ_DELAY_US,
PWRSEQ_DELAY_MS,
@@ -65,7 +57,6 @@ enum pwrseq_cmd_delat_unit {

struct wl_pwr_cfg {
u16 offset;
- u8 interface_msk:4;
u8 base:4;
u8 cmd:4;
u8 msk;
@@ -73,13 +64,12 @@ struct wl_pwr_cfg {
};

#define GET_PWR_CFG_OFFSET(__PWR_CMD) __PWR_CMD.offset
-#define GET_PWR_CFG_INTF_MASK(__PWR_CMD) __PWR_CMD.interface_msk
#define GET_PWR_CFG_BASE(__PWR_CMD) __PWR_CMD.base
#define GET_PWR_CFG_CMD(__PWR_CMD) __PWR_CMD.cmd
#define GET_PWR_CFG_MASK(__PWR_CMD) __PWR_CMD.msk
#define GET_PWR_CFG_VALUE(__PWR_CMD) __PWR_CMD.value

/* Prototype of protected function. */
-u8 HalPwrSeqCmdParsing(struct adapter *padapter, u8 InterfaceType, struct wl_pwr_cfg PwrCfgCmd[]);
+u8 HalPwrSeqCmdParsing(struct adapter *padapter, struct wl_pwr_cfg PwrCfgCmd[]);

#endif
--
2.20.1
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