mb/google/poppy: Add camera devices power sequencing through ACPI power resources

This patch controls the camera devices power through ACPI power resource.
* Add Opregions for PMIC,
	* TI_PMIC_POWER_OPREGION
	* TI_PMIC_VR_VAL_OPREGION
	* TI_PMIC_CLK_OPREGION
	* TI_PMIC_CLK_FREQ_OPREGION
* Add power resources for sensors and VCM,
	* OVTH for CAM0
	* OVFI for CAM1
	* VCMP for VCM
* Implement _ON and _OFF methods for sensor and VCM module's power on
and power off sequences.

BUG=b:38326541
BRANCH=none
TEST=Build and boot poppy. Dump and verify that the generated DSDT table
has the required entries.

Change-Id: I87cd0508ed5ed922211a51f43ee96b6f44cf673d
Signed-off-by: V Sowmya <v.sowmya@intel.com>
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-on: https://review.coreboot.org/20054
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
V Sowmya 2017-06-06 22:40:36 +05:30 committed by Furquan Shaikh
parent ba03d8de63
commit eacda2eb83
1 changed files with 529 additions and 16 deletions

View File

@ -17,33 +17,478 @@ Scope (\_SB.PCI0.I2C2)
{
Device (PMIC)
{
Name (_HID, "INT3472") // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
Name (_DDN, "TPS68470 PMIC") // _DDN: DOS Device Name
Name (_HID, "INT3472") /* _HID: Hardware ID */
Name (_UID, Zero) /* _UID: Unique ID */
Name (_DDN, "TPS68470 PMIC") /* _DDN: DOS Device Name */
Name (CAMD, 0x64)
Method (_STA, 0, NotSerialized) // _STA: Status
Method (_STA, 0, NotSerialized) /* _STA: Status */
{
Return (0x0F)
}
/* Marks the availability of all the operation regions */
Name (AVBL, Zero)
Name (AVGP, Zero)
Name (AVB0, Zero)
Name (AVB1, Zero)
Name (AVB2, Zero)
Name (AVB3, Zero)
Method (_REG, 2, NotSerialized)
{
If (LEqual (Arg0, 0x08))
{
/* Marks the availability of GeneralPurposeIO
* 0x08: opregion space for GeneralPurposeIO
*/
Store (Arg1, AVGP)
}
If (LEqual (Arg0, 0xB0))
{
/* Marks the availability of
* TI_PMIC_POWER_OPREGION_ID */
Store (Arg1, AVB0)
}
If (LEqual (Arg0, 0xB1))
{
/* Marks the availability of
* TI_PMIC_VR_VAL_OPREGION_ID */
Store (Arg1, AVB1)
}
If (LEqual (Arg0, 0xB2))
{
/* Marks the availability of
* TI_PMIC_CLK_OPREGION_ID */
Store (Arg1, AVB2)
}
If (LEqual (Arg0, 0xB3))
{
/* Marks the availability of
* TI_PMIC_CLK_FREQ_OPREGION_ID */
Store (Arg1, AVB3)
}
If (LAnd (AVGP, LAnd (LAnd (AVB0, AVB1),
LAnd(AVB2, AVB3))))
{
/* Marks the availability of all opregions */
Store (1, AVBL)
}
Else
{
Store (0, AVBL)
}
}
OperationRegion (GPOP, GeneralPurposeIo, 0, 0x2)
Name (_CRS, ResourceTemplate ()
{
I2cSerialBus (0x004D, ControllerInitiated, 0x00061A80,
AddressingMode7Bit, "\\_SB.PCI0.I2C2",
0x00, ResourceConsumer, ,
)
/* GPIO.4 is AVDD pin for user facing camera */
GpioIo (Exclusive, PullDefault, 0x0000, 0x0000,
IoRestrictionOutputOnly, "\\_SB.PCI0.I2C2.PMIC",
0x00, ResourceConsumer,,)
{
4
}
/* GPIO.5 is XSHUTDOWN pin for user facing camera */
GpioIo (Exclusive, PullDefault, 0x0000, 0x0000,
IoRestrictionOutputOnly, "\\_SB.PCI0.I2C2.PMIC",
0x00, ResourceConsumer,,)
{
5
}
/* GPIO.9 is XSHUTDOWN pin for world facing camera */
GpioIo (Exclusive, PullDefault, 0x0000, 0x0000,
IoRestrictionOutputOnly, "\\_SB.PCI0.I2C2.PMIC",
0x00, ResourceConsumer,,)
{
9
}
})
/* PMIC operation regions */
/* 0xB0: TI_PMIC_POWER_OPREGION_ID
* VSIO: Sensor IO LDO output
* VCMC: VCM LDO output
* VAX1: Auxiliary LDO1 output
* VAX2: Auxiliary LDO2 output
* VACT: Analog LDO output
* VDCT: Core buck output
*/
OperationRegion (PWR1, 0xB0, Zero, 0x0100)
Field (PWR1, DWordAcc, NoLock, Preserve)
{
VSIO, 32,
VCMC, 32,
VAX1, 32,
VAX2, 32,
VACT, 32,
VDCT, 32,
}
/* 0xB1: TI_PMIC_VR_VAL_OPREGION_ID
* SIOV: VSIO VR voltage value
* IOVA: VIO VR voltage value
* VCMV: VCM VR voltage value
* AX1V: Auxiliary LDO1 VR voltage value
* AX2V: Auxiliary LDO2 VR voltage value
* ACVA: Analog LDO VR voltage
* DCVA: Core buck VR volatage
*/
OperationRegion (PWR2, 0xB1, Zero, 0x0100)
Field (PWR2, DWordAcc, NoLock, Preserve)
{
SIOV, 32,
IOVA, 32,
VCMV, 32,
AX1V, 32,
AX2V, 32,
ACVA, 32,
DCVA, 32,
}
/* 0xB2: TI_PMIC_CLK_OPREGION_ID
* PCTL: PLL control register
* PCT2: PLL control 2 register
* CFG1: Clock configuration 1 register
* CFG2: Clock configuration 2 register
*/
OperationRegion (CLKC, 0xB2, Zero, 0x0100)
Field (CLKC, DWordAcc, NoLock, Preserve)
{
PCTL, 32,
PCT2, 32,
CFG1, 32,
CFG2, 32,
}
/* 0xB3: TI_PMIC_CLK_FREQ_OPREGION_ID
* PDV2: PLL output divider for HCLK_B
* BODI: PLL output divider for boost clock
* BUDI: PLL output divider for buck clock
* PSWR: PLL reference clock setting
* XTDV: Reference crystal divider
* PLDV: PLL feedback divider
* PODV: PLL output divider for HCLK_A
*/
OperationRegion (CLKF, 0xB3, Zero, 0x0100)
Field (CLKF, DWordAcc, NoLock, Preserve)
{
PDV2, 32,
BODI, 32,
BUDI, 32,
PSWR, 32,
XTDV, 32,
PLDV, 32,
PODV, 32,
}
/* CLE0 and CLE1 are used to determine if both the clocks
are enabled or disabled. */
Mutex (MUTC, 0)
Name (CLE0, 0)
Name (CLE1, 0)
Method (CLKE, 0, Serialized) {
/* save Acquire result so we can check for
Mutex acquired */
Store (Acquire (MUTC, 1000), Local0)
/* check for Mutex acquired */
If (LEqual (Local0, Zero)) {
/* Enable clocks only when a sensor is turned on and
both the clocks are disabled */
If (LNot (LOr (CLE0, CLE1))) {
/* Set boost clock divider */
BODI = 3
/* Set buck clock divider */
BUDI = 2
/* Set the PLL_REF_CLK cyles */
PSWR = 19
/* Set the reference crystal divider */
XTDV = 170
/* Set PLL feedback divider */
PLDV = 32
/* Set PLL output divider for HCLK_A */
PODV = 1
/* Set PLL output divider for HCLK_B */
PDV2 = 1
/* Enable clocks for both the sensors
* CFG1: output selection for HCLK_A and
* HCLK_B.
* CFG2: set drive strength for HCLK_A
* and HCLK_B.
*/
CFG2 = 5
CFG1 = 10
/* Enable PLL output, crystal oscillator
* input capacitance control and set
* Xtal oscillator as clock source.
*/
PCTL = 209
Sleep(1)
}
Release (MUTC)
}
}
/* Clocks need to be disabled only if both the sensors are
turned off */
Method (CLKD, 0, Serialized) {
/* save Acquire result so we can check for
Mutex acquired */
Store (Acquire (MUTC, 1000), Local0)
/* check for Mutex acquired */
If (LEqual (Local0, Zero)) {
If (LNot (LOr (CLE0, CLE1))) {
BODI = 0
BUDI = 0
PSWR = 0
XTDV = 0
PLDV = 0
PODV = 0
PDV2 = 0
/* Disable clocks for both the
sensors */
CFG2 = 0
CFG1 = 0
PCTL = 0
}
Release (MUTC)
}
}
/* Reference count for VSIO */
Mutex (MUTV, 0)
Name (VSIC, 0)
Method (DOVD, 1, Serialized) {
/* Save Acquire result so we can check for
Mutex acquired */
Store (Acquire (MUTV, 1000), Local0)
/* Check for Mutex acquired */
If (LEqual (Local0, Zero)) {
/* Turn off VSIO */
If (LEqual (Arg0, Zero)) {
/* Decrement only if VSIC > 0 */
if (LGreater (VSIC, 0)) {
Decrement (VSIC)
If (LEqual (VSIC, Zero)) {
VSIO = 0
}
}
} ElseIf (LEqual (Arg0, 1)) {
/* Increment only if VSIC < 3 */
If (LLess (VSIC, 3)) {
/* Turn on VSIO */
If (LEqual (VSIC, Zero)) {
VSIO = 3
}
Increment (VSIC)
}
}
Release (MUTV)
}
}
/* Power resource methods for CAM0 */
PowerResource (OVTH, 0, 0) {
Name (STA, 0)
Method (_ON, 0, Serialized) {
If (LEqual (AVBL, 1)) {
If (LEqual (STA, 0)) {
/* Enable VSIO regulator +
daisy chain */
DOVD(1)
if (LNotEqual (IOVA, 52)) {
/* Set VSIO value as
1.8006 V */
IOVA = 52
}
if (LNotEqual (SIOV, 52)) {
/* Set VSIO value as
1.8006 V */
SIOV = 52
}
Sleep(3)
VACT = 1
if (LNotEqual (ACVA, 109)) {
/* Set ANA at 2.8152V */
ACVA = 109
}
Sleep(3)
\_SB.PCI0.I2C2.PMIC.CLKE()
CLE0 = 1
VDCT = 1
if (LNotEqual (DCVA, 12)) {
/* Set CORE at 1.2V */
DCVA = 12
}
Sleep(3)
\_SB.PCI0.I2C2.CAM0.CRST(1)
STA = 1
}
}
}
Method (_OFF, 0, Serialized) {
If (LEqual (AVBL, 1)) {
If (LEqual (STA, 1)) {
Sleep(2)
CLE0 = 0
\_SB.PCI0.I2C2.PMIC.CLKD()
Sleep(2)
\_SB.PCI0.I2C2.CAM0.CRST(0)
Sleep(3)
VDCT = 0
Sleep(3)
VACT = 0
Sleep(1)
DOVD(0)
Sleep(1)
}
}
STA = 0
}
Method (_STA, 0, NotSerialized) {
Return (STA)
}
}
/* Power resource methods for CAM1 */
PowerResource (OVFI, 0, 0) {
Name (STA, 0)
Method (_ON, 0, Serialized) {
If (LEqual (AVBL, 1)) {
If (LEqual (STA, 0)) {
/* Enable VSIO regulator +
daisy chain */
DOVD(1)
VAX2 = 1 /* Enable VAUX2 */
if (LNotEqual (AX2V, 52)) {
/* Set VAUX2 as
1.8006 V */
AX2V = 52
}
Sleep(1)
\_SB.PCI0.I2C2.PMIC.CLKE()
CLE1 = 1
VAX1 = 1 /* Enable VAUX1 */
if (LNotEqual (AX1V, 19)) {
/* Set VAUX1 as 1.2132V */
AX1V = 19
}
Sleep(3)
\_SB.PCI0.I2C4.CAM1.CGP4(1)
Sleep(3)
\_SB.PCI0.I2C4.CAM1.CGP5(1)
Sleep(3)
STA = 1
}
}
}
Method (_OFF, 0, Serialized) {
If (LEqual (AVBL, 1)) {
If (LEqual (STA, 1)) {
Sleep(2)
CLE1 = 0
\_SB.PCI0.I2C2.PMIC.CLKD()
Sleep(2)
\_SB.PCI0.I2C4.CAM1.CGP5(0)
Sleep(3)
VAX1 = 0
Sleep(1)
\_SB.PCI0.I2C4.CAM1.CGP4(0)
Sleep(1)
VAX2 = 0
Sleep(1)
DOVD(0)
Sleep(1)
}
STA = 0
}
}
Method (_STA, 0, NotSerialized) {
Return (STA)
}
}
/* Power resource methods for VCM */
PowerResource (VCMP, 0, 0) {
Name (STA, 0)
Method (_ON, 0, Serialized) {
If (LEqual (AVBL, 1)) {
If (LEqual (STA, 0)) {
/* Enable VSIO regulator +
daisy chain */
DOVD(1)
if (LNotEqual (IOVA, 52)) {
/* Set VSIO value as
1.8006 V */
IOVA = 52
}
if (LNotEqual (SIOV, 52)) {
/* Set VSIO value as
1.8006 V */
SIOV = 52
}
Sleep(3)
/* Enable VCM regulator */
VCMC = 1
if (LNotEqual (VCMV, 109)) {
/* Set VCM value at
2.8152 V */
VCMV = 109
}
Sleep(3)
STA = 1
}
}
}
Method (_OFF, 0, Serialized) {
If (LEqual (AVBL, 1)) {
If (LEqual (STA, 1)) {
VCMC = 0 /* Disable regulator */
Sleep(1)
DOVD(0) /* Disable regulator */
Sleep(1)
STA = 0
}
}
}
Method (_STA, 0, NotSerialized) {
Return (STA)
}
}
}
Device (CAM0)
{
Name (_HID, "OVTID850") // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
Name (_DDN, "OV 13850 Camera") // _DDN: DOS Device Name
Name (_HID, "OVTID850") /* _HID: Hardware ID */
Name (_UID, Zero) /* _UID: Unique ID */
Name (_DDN, "OV 13850 Camera") /* _DDN: DOS Device Name */
Name (CAMD, 0x02)
Method (_STA, 0, NotSerialized) // _STA: Status
Method (_STA, 0, NotSerialized) /* _STA: Status */
{
Return (0x0F)
}
@ -57,6 +502,30 @@ Scope (\_SB.PCI0.I2C2)
)
})
Field (\_SB.PCI0.I2C2.PMIC.GPOP, ByteAcc, NoLock, Preserve)
{
Connection
(
GpioIo (Exclusive, PullDefault, 0x0000, 0x0000,
IoRestrictionOutputOnly,
"\\_SB.PCI0.I2C2.PMIC", 0x00,
ResourceConsumer,,)
{
9
}
),
GRST, 1,
}
/* Set or clear GRST GPIO */
Method (CRST, 1, Serialized)
{
GRST = Arg0
}
Name (_PR0, Package () { ^^I2C2.PMIC.OVTH })
Name (_PR3, Package () { ^^I2C2.PMIC.OVTH })
/* Port0 of CAM0 is connected to port0 of CIO2 device */
Name (_DSD, Package () {
ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
@ -115,12 +584,12 @@ Scope (\_SB.PCI0.I2C2)
Device (VCM0)
{
Name (_HID, "DWDWD000") // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
Name (_DDN, "Dongwoon AF DAC") // _DDN: DOS Device Name
Name (_HID, "DWDWD000") /* _HID: Hardware ID */
Name (_UID, Zero) /* _UID: Unique ID */
Name (_DDN, "Dongwoon AF DAC") /* _DDN: DOS Device Name */
Name (CAMD, 0x03)
Method (_STA, 0, NotSerialized) // _STA: Status
Method (_STA, 0, NotSerialized) /* _STA: Status */
{
Return (0x0F)
}
@ -133,6 +602,9 @@ Scope (\_SB.PCI0.I2C2)
0x00, ResourceConsumer, ,
)
})
Name (_PR0, Package () { ^PMIC.VCMP })
Name (_PR3, Package () { ^PMIC.VCMP })
}
}
@ -140,12 +612,12 @@ Scope (\_SB.PCI0.I2C4)
{
Device (CAM1)
{
Name (_HID, "INT3479") // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
Name (_DDN, "OV 5670 Camera") // _DDN: DOS Device Name
Name (_HID, "INT3479") /* _HID: Hardware ID */
Name (_UID, Zero) /* _UID: Unique ID */
Name (_DDN, "OV 5670 Camera") /* _DDN: DOS Device Name */
Name (CAMD, 0x02)
Method (_STA, 0, NotSerialized) // _STA: Status
Method (_STA, 0, NotSerialized) /* _STA: Status */
{
Return (0x0F)
}
@ -159,6 +631,47 @@ Scope (\_SB.PCI0.I2C4)
)
})
Field (\_SB.PCI0.I2C2.PMIC.GPOP, ByteAcc, NoLock, Preserve)
{
Connection
(
GpioIo (Exclusive, PullDefault, 0x0000, 0x0000,
IoRestrictionOutputOnly,
"\\_SB.PCI0.I2C2.PMIC", 0x00,
ResourceConsumer,,)
{
4
}
),
GPO4, 1,
Connection
(
GpioIo (Exclusive, PullDefault, 0x0000, 0x0000,
IoRestrictionOutputOnly,
"\\_SB.PCI0.I2C2.PMIC", 0x00,
ResourceConsumer,,)
{
5
}
),
GPO5, 1,
}
/* Set or clear GPO4 GPIO */
Method (CGP4, 1, Serialized)
{
GPO4 = Arg0
}
/* Set or clear GPO5 GPIO */
Method (CGP5, 1, Serialized)
{
GPO5 = Arg0
}
Name (_PR0, Package () { ^^I2C2.PMIC.OVFI })
Name (_PR3, Package () { ^^I2C2.PMIC.OVFI })
/* Port0 of CAM1 is connected to port1 of CIO2 device */
Name (_DSD, Package () {
ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),