CN107168924B - Control method and device of functional chip - Google Patents
Control method and device of functional chip Download PDFInfo
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- CN107168924B CN107168924B CN201710193416.3A CN201710193416A CN107168924B CN 107168924 B CN107168924 B CN 107168924B CN 201710193416 A CN201710193416 A CN 201710193416A CN 107168924 B CN107168924 B CN 107168924B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000007958 sleep Effects 0.000 claims description 27
- 230000004044 response Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002618 waking effect Effects 0.000 claims description 3
- 230000005059 dormancy Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000003993 interaction Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7807—System on chip, i.e. computer system on a single chip; System in package, i.e. computer system on one or more chips in a single package
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention relates to a control method of a functional chip, which comprises the following steps: receiving a functional chip closing instruction, and closing a power supply of a corresponding functional chip according to the functional chip closing instruction; and driving to close the power supply of the interface controller corresponding to the functional chip through the interface controller. The system resource is saved, the energy consumption is reduced, and the system dormancy and awakening time is reduced.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method and a device for controlling a functional chip.
Background
In an architecture formed by an SOC (System On Chip) and other functional chips, the SOC is usually connected to the functional chips through a standard I/O (input/output) Interface, for example, PCIe (Peripheral Component Interface express) is used to connect the functional chips. The terminal driver includes an interface controller driver and a device driver.
In the conventional technology, when a user closes a function corresponding to a functional chip, a terminal only closes a power supply of the functional chip through a device driver, and disconnects a logical connection between an SOC and an I/O interface. However, the terminal does not turn off the interface controller of the SOC, which may cause the interface controller to waste system resources.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a method and an apparatus for controlling a functional chip that saves system resources.
A method of controlling a functional chip, the method comprising:
receiving a functional chip closing instruction, and closing a power supply of a corresponding functional chip according to the functional chip closing instruction;
and driving to close the power supply of the interface controller corresponding to the functional chip through the interface controller.
In one embodiment, after the step of turning off the power supply of the interface controller corresponding to the functional chip by the interface controller driver, the method further includes: and logging off the interface controller drive.
In one embodiment, after the step of turning off the power supply of the interface controller corresponding to the functional chip by the interface controller driver, the method further includes: acquiring a sleep instruction; according to the sleep instruction, the interface controller corresponding to the functional chip with the power supply turned off is dormant according to the system flow; skipping the callback operation when detecting that the callback operation driven by the interface controller is executed; or acquiring a wake-up instruction; awakening the interface controller corresponding to the functional chip with the power supply turned off according to the awakening instruction and the system flow; and skipping the callback operation when the callback operation driven by the interface controller is detected to be executed.
In one embodiment, after the step of turning off the power supply of the interface controller corresponding to the functional chip by the interface controller driver, the method further includes: and turning off the clock power supply of the interface controller.
In one embodiment, the method further comprises: acquiring a function chip starting instruction, and registering a cancelled interface controller drive in response to the function chip starting instruction; the interface controller drives to turn on the power supply of the interface controller corresponding to the functional chip; establishing logic connection with the functional chip through an I/O interface according to the functional chip starting instruction; and starting the power supply of the functional chip according to the functional chip starting instruction.
A control device of a functional chip, the device comprising:
the functional chip control module is used for receiving a functional chip closing instruction and closing the power supply of the corresponding functional chip according to the functional chip closing instruction;
and the interface controller control module is used for driving and closing the power supply of the interface controller corresponding to the functional chip through the interface controller.
In one embodiment, the apparatus further comprises: and the drive registration module is used for logging off the drive of the interface controller.
In one embodiment, the apparatus further comprises: the sleep module is used for acquiring a sleep instruction and sleeping the interface controller corresponding to the functional chip with the power supply turned off according to the sleep instruction and a system flow; the interface controller is also used for skipping the callback operation when detecting that the callback operation driven by the interface controller is executed; the wake-up module is used for acquiring a wake-up instruction and waking up an interface controller corresponding to the functional chip with the power supply turned off according to the wake-up instruction and a system flow; and skipping the callback operation when detecting that the callback operation driven by the interface controller is executed.
In one embodiment, the interface controller control module is further configured to turn off a clock power supply of the interface controller.
In one embodiment, the driver registration module is further configured to obtain a functional chip start instruction, and register a revoked interface controller driver in response to the functional chip start instruction; the interface controller control module is also used for driving and starting the power supply of the interface controller corresponding to the functional chip through the interface controller; the device further comprises: the logic interface control module is used for establishing logic connection with the functional chip through an I/O interface according to the functional chip starting instruction; the functional chip control module is also used for starting the power supply of the functional chip according to the functional chip starting instruction.
According to the control method and the control device of the functional chip, the power supply of the corresponding functional chip is closed according to the functional chip closing instruction by receiving the functional chip closing instruction; and driving to close the power supply of the interface controller corresponding to the functional chip through the interface controller. The system resource is saved, the energy consumption is reduced, and the system dormancy and awakening time is reduced.
Drawings
FIG. 1 is a flow chart of a method of controlling a functional chip in one embodiment;
FIG. 2 is a flowchart of a control method of a functional chip in another embodiment;
FIG. 3 is a block diagram of an SOC and functional chip in one embodiment;
FIG. 4 is a flowchart of a control method of a functional chip in still another embodiment;
FIG. 5 is a flowchart of a control method of a functional chip in still another embodiment;
FIG. 6 is a flow diagram of a startup function chip in one embodiment;
FIG. 7 is a block diagram showing a control device of a functional chip in one embodiment;
FIG. 8 is a block diagram showing a structure of a control device of a functional chip in another embodiment;
FIG. 9 is a block diagram showing a structure of a control device of a functional chip in still another embodiment;
fig. 10 is a block diagram showing a control device of a functional chip in still another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, in one embodiment, there is provided a method for controlling a functional chip, the method including the steps of:
and S102, receiving a functional chip closing instruction, and closing the power supply of the corresponding functional chip according to the functional chip closing instruction.
In this embodiment, the functional chip is also referred to as an Intellectual Property core (Intellectual Property core), and refers to a module chip capable of implementing professional functions, such as a Power switch device IPM (Intelligent Power module) integrated with a logic, control, detection and protection circuit, a wifi (Wireless Fidelity) chip capable of implementing a Wireless lan access function, a bluetooth chip capable of implementing a bluetooth technology, and the like. The functional chip may be connected to an SOC, which may be used in a terminal such as a smart phone, a tablet computer, a notebook computer, or a desktop computer, but is not limited thereto. And after the SOC receives the functional chip closing instruction, the power supply of the corresponding functional chip is closed through the equipment drive.
And S104, driving to close the power supply of the interface controller corresponding to the functional chip through the interface controller.
In this embodiment, the interface controller is a hardware control module that organizes data to be transmitted according to a specified protocol, and the data of the SOC and the functional chip are converted into protocol data, so that interaction between the SOC and the functional chip is realized. The interface controller driver is a code added into the system, which contains the information of the interface controller, the interface controller driver is the essential program for the normal work of the interface controller, and the interface controller can communicate with the SOC normally through the interface controller driver. And the SOC drives and closes the power supply of the interface controller corresponding to the functional chip with the power supply being closed through the interface controller.
According to the control method of the functional chip, the power supply of the corresponding functional chip is closed according to the functional chip closing instruction by receiving the functional chip closing instruction; and the interface controller drives to close the power supply of the interface controller corresponding to the functional chip. The system resource is saved, the energy consumption is reduced, and the system dormancy and awakening time is reduced.
As shown in fig. 2, in one embodiment, there is provided a method for controlling a functional chip, including the steps of:
s202, receiving a functional chip closing instruction, and closing the power supply of the corresponding functional chip according to the functional chip closing instruction.
In this embodiment, the SOC, also referred to as a system on a chip, is an integrated circuit with a dedicated target, which contains the complete system and has the entire contents of embedded software. The functional chip is also called an intellectual property core, and refers to a module chip capable of realizing professional functions. After receiving a functional chip closing instruction, the SOC closes the power supply of the corresponding functional chip according to the object of the instruction, and responds to the power supply closing operation of the functional chip to disconnect the logical connection between the SOC and the functional chip realized through the I/O interface.
And S204, driving to close the power supply of the interface controller corresponding to the functional chip through the interface controller.
In this embodiment, the SOC is connected to the functional chip through the interface controller, and controls the operation of the functional chip through the connection relationship, and the SOC drives to turn off the power supply of the interface controller corresponding to the functional chip that has been powered off through the interface controller.
S206, the interface controller drive is logged off.
In this embodiment, the logout of the interface controller driver refers to removing the interface controller driver from the terminal system. When the terminal is awakened in the dormant state, the interface controller is driven to be awakened by calling the interface controller, and because the interface controller is powered off, the awakening of the interface controller is meaningless, and only the terminal awakening time is additionally increased, so that the terminal is driven to be cancelled, and the meaningless awakening can be avoided.
In one embodiment, the method further comprises turning off a clock power supply of the interface controller.
In this embodiment, by turning off the clock power supply of the interface controller, system resources can be saved, and power loss can be reduced.
In one embodiment, as shown in fig. 3, the SOC302 is connected to the interface controller 304, the interface controller 304 is connected to the functional chip 306, and the SOC302 controls the functional chip 306 by sending instructions to the interface controller 304. There are multiple interfaces on the SOC302, and other interface controllers or other devices may be connected.
According to the control method of the functional chip, the interface controller drive is cancelled, so that meaningless dormancy or awakening of the interface controller drive is avoided, and terminal dormancy or awakening time is shortened.
As shown in fig. 4, in one embodiment, there is provided a method of controlling a functional chip, the method including:
s402, receiving a functional chip closing instruction, and closing the power supply of the corresponding functional chip according to the functional chip closing instruction.
In this embodiment, the functional chip is also referred to as an intellectual property core, and refers to a module chip capable of implementing professional functions. After receiving a functional chip closing instruction, the SOC closes the power supply of the corresponding functional chip according to the object of the instruction, and responds to the power supply closing operation of the functional chip to disconnect the logical connection between the SOC and the functional chip realized through the I/O interface.
And S404, driving to close the power supply of the interface controller corresponding to the functional chip through the interface controller.
In this embodiment, the interface controller is a hardware control module that organizes data to be transmitted according to a specified protocol, and the data of the SOC and the functional chip are converted into protocol data, so that interaction between the SOC and the functional chip is realized. The SOC is connected with the functional chip through the interface controller, the work of the functional chip is controlled through the connection relation, and the SOC drives the interface controller corresponding to the functional chip with the power supply turned off through the interface controller.
S406, a sleep instruction is obtained, and the interface controller corresponding to the functional chip with the power supply turned off is dormant according to the sleep instruction and the system flow.
In this embodiment, the SOC receives a sleep instruction, where the sleep instruction includes a system flow, specifically, a system sleep flow, and controls an interface controller corresponding to a functional chip that has powered off to enter a sleep state according to the sleep instruction.
S408, when detecting that the callback operation driven by the interface controller is executed, skipping the callback operation.
In this embodiment, since the interface controller corresponding to the functional chip that has been powered off is meaningless, and only the time for which the system is in sleep is increased, when it is detected that the SOC executes the callback operation driven by the interface controller, the callback operation is skipped.
According to the control method of the functional chip, when the system sleeps the interface controller corresponding to the functional chip with the power supply turned off according to the system sleep process, when the callback operation driven by the interface controller is executed, the callback operation is skipped, so that the situation that the interface controller is driven to be in meaningless sleep is avoided, and the terminal sleep time is reduced.
As shown in fig. 5, in one embodiment, there is provided a control method of a functional chip, the method including the steps of:
and S502, receiving a functional chip closing instruction, and closing the power supply of the corresponding functional chip according to the functional chip closing instruction.
In this embodiment, the functional chip is also referred to as an intellectual property core, and refers to a module chip capable of implementing professional functions. After receiving a functional chip closing instruction, the SOC closes the power supply of the corresponding functional chip according to the object of the instruction, and responds to the power supply closing operation of the functional chip to disconnect the logical connection between the SOC and the functional chip realized through the I/O interface.
And S504, driving and closing the power supply of the interface controller corresponding to the functional chip through the interface controller.
In this embodiment, the interface controller is a hardware control module that organizes data to be transmitted according to a specified protocol, and the data of the SOC and the functional chip are converted into protocol data, so that interaction between the SOC and the functional chip is realized. The SOC is connected with the functional chip through the interface controller, the work of the functional chip is controlled through the connection relation, and the SOC drives the interface controller corresponding to the functional chip with the power supply turned off through the interface controller.
S506, acquiring a wake-up instruction, and waking up an interface controller corresponding to the functional chip with the power supply turned off according to the wake-up instruction and the system flow;
in this embodiment, the SOC receives a wake-up command, where the wake-up command includes a system flow, and may specifically be the system wake-up flow. Usually, the central processing unit is awakened first, and then the other interface controllers are awakened. When the interface controller is awakened according to the system awakening process, the interface controller corresponding to the functional chip which is not powered off can be directly awakened, and the operation of awakening the interface controller corresponding to the functional chip which is powered off is executed.
S508, when detecting the callback operation driven by the execution interface controller, skipping the callback operation.
In this embodiment, since the interface controller corresponding to the functional chip that has been powered off is meaningless, and only the system wake-up time is increased, when it is detected that the SOC executes the callback operation driven by the interface controller, the callback operation is skipped.
According to the control method of the functional chip, when the system awakens the interface controller corresponding to the functional chip with the power supply turned off according to the system awakening flow, the callback operation is skipped when the callback operation driven by the interface controller is executed, so that the drive of the interface controller is prevented from being awakened meaninglessly, and the terminal awakening time is reduced.
As shown in fig. 6, in one embodiment, there is provided a control method of a functional chip, including:
s602, a function chip starting instruction is obtained, and the interface controller driver which is cancelled is registered in response to the function chip starting instruction.
In this embodiment, the SOC starts the power supply of the functional chip according to the functional chip start instruction when the power supplies of the functional chip and the interface controller have been turned off and the interface controller driver has been logged off. Specifically, the SOC and the function chip are respectively connected with the interface controller, the SOC controls the function chip through the interface controller, and after the SOC obtains a start instruction of the function chip, the interface controller driver which is logged out is registered according to the instruction, so that the interface controller is in an available state.
And S604, driving and starting the power supply of the interface controller corresponding to the functional chip through the interface controller.
In this embodiment, the interface controller driver is a basis for normal operation of the interface controller, and the SOC may drive the power supply of the interface controller corresponding to the openable functional chip through the interface controller.
And S606, establishing logic connection with the functional chip through the I/O interface according to the functional chip starting instruction.
In this embodiment, the SOC is connected to the functional chip through the I/O interface, and the SOC establishes logical connection with the functional chip through the I/O interface to control the functional chip.
And S608, starting the power supply of the functional chip according to the functional chip starting instruction.
In this embodiment, after the SOC receives the functional chip start instruction, the power supply for starting the functional chip is driven by the device according to the instruction, and the whole process for starting the functional chip is completed.
In one embodiment, further comprising: and starting a clock power supply of the interface controller.
In this embodiment, after the power supply of the interface controller corresponding to the functional chip is turned on, a clock power supply of the interface controller needs to be turned on to ensure normal operation of the interface controller.
As shown in fig. 7, in one embodiment, there is provided a control apparatus of a functional chip, including:
and the functional chip control module 702 is configured to receive a functional chip shutdown instruction, and shut down a power supply of a corresponding functional chip according to the functional chip shutdown instruction.
And the interface controller control module 704 is configured to turn off the power supply of the interface controller corresponding to the functional chip through the interface controller driver.
In one embodiment, the interface controller control module 704 is also configured to power down the clock of the interface controller.
The control device of the functional chip receives a functional chip closing instruction and closes the power supply of the corresponding functional chip according to the functional chip closing instruction; and the interface controller drives to close the power supply of the interface controller corresponding to the functional chip. The system resource is saved, the energy consumption is reduced, and the system dormancy and awakening time is reduced.
As shown in fig. 8, in one embodiment, there is provided a control apparatus of a functional chip, including:
and a driver registration module 706, configured to log off the interface controller driver.
The control device of the functional chip logs off the interface controller drive, so that the interface controller drive is prevented from being meaninglessly dormant or awakened, and the terminal dormancy or awakening time is shortened.
As shown in fig. 9, in one embodiment, there is provided a control apparatus of a functional chip, including:
a sleep module 708, configured to obtain a sleep instruction, and sleep an interface controller corresponding to a functional chip with a power supply turned off according to the sleep instruction and a system flow; and skipping the callback operation when detecting that the callback operation driven by the interface controller is executed.
The wake-up module 710 is configured to obtain a wake-up instruction, and wake up an interface controller corresponding to a functional chip with a power supply turned off according to the wake-up instruction and a system flow; and skipping the callback operation when detecting that the callback operation driven by the interface controller is executed.
According to the control device of the functional chip, when the system sleeps or awakens the interface controller corresponding to the functional chip with the power off according to the system flow, the callback operation is skipped when the callback operation driven by the interface controller is executed, so that the situation that the interface controller is driven to be meaningless to sleep or awaken is avoided, and the terminal sleeping or awakening time is shortened.
As shown in fig. 10, in one embodiment, there is provided a control apparatus of a functional chip, including:
and the logic interface control module 712 is configured to establish a logic connection with the functional chip through the I/O interface according to the functional chip start instruction.
The driver registration module 706 is further configured to obtain a functional chip start instruction, and register the interface controller driver that has been logged off in response to the functional chip start instruction.
The interface controller control module 704 is further configured to drive, via the interface controller, to turn on a power supply of the interface controller corresponding to the functional chip.
The functional chip control module 702 is further configured to start the power supply of the functional chip according to the functional chip start instruction.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method of controlling a functional chip, the method comprising:
receiving a functional chip closing instruction, and closing the power supply of the functional chip controlled by the system-level chip according to the functional chip closing instruction; the functional chip is a power switch device integrated with a logic, control, detection and protection circuit to realize professional functions;
driving to close a power supply of an interface controller which corresponds to the functional chip and is connected between the system-level chip and the functional chip through the interface controller; the interface controller is used for converting data of the system-level chip and the functional chip into protocol data; the interface controller driver is program code added to the system;
acquiring a sleep instruction;
according to the sleep instruction, the interface controller corresponding to the functional chip with the power supply turned off is dormant according to the system flow;
skipping the callback operation when detecting that the callback operation driven by the interface controller is executed;
and logging off the interface controller drive.
2. The method according to claim 1, further comprising, after the step of powering off the interface controller corresponding to the functional chip by the interface controller driver, the step of:
and disconnecting the logic link with the functional chip.
3. The method according to claim 1, further comprising, after the step of powering off the interface controller corresponding to the functional chip by the interface controller driver, the step of:
when detecting that the callback operation driven by the interface controller is executed, acquiring a wakeup instruction;
awakening the interface controller corresponding to the functional chip with the power supply turned off according to the awakening instruction and the system flow;
and skipping the callback operation when the callback operation driven by the interface controller is detected to be executed.
4. The method according to claim 1, further comprising, after the step of powering off the interface controller corresponding to the functional chip by the interface controller driver, the step of:
and turning off the clock power supply of the interface controller.
5. The method of claim 1, further comprising:
acquiring a function chip starting instruction, and registering a cancelled interface controller drive in response to the function chip starting instruction;
the interface controller drives to turn on the power supply of the interface controller corresponding to the functional chip;
establishing logic connection with the functional chip through an I/O interface according to the functional chip starting instruction;
and starting the power supply of the functional chip according to the functional chip starting instruction.
6. A control device for a functional chip, the device comprising:
the system-on-chip power supply control module is used for receiving a system-on-chip power supply control command and controlling the system-on-chip power supply according to the system-on-chip power supply control command; the functional chip is a power switch device integrated with a logic, control, detection and protection circuit to realize professional functions;
the interface controller control module is used for driving and closing the power supply of an interface controller which corresponds to the functional chip and is connected between the system-level chip and the functional chip through an interface controller; the interface controller is used for converting data of the system-level chip and the functional chip into protocol data; the interface controller driver is program code added to the system;
the acquisition module is used for acquiring a sleep instruction;
the sleep module is used for sleeping the interface controller corresponding to the functional chip with the power supply turned off according to the sleep instruction and a system flow;
the callback operation skipping module is used for skipping the callback operation when detecting that the callback operation driven by the interface controller is executed; and the drive registration module is used for logging off the drive of the interface controller.
7. The apparatus of claim 6, further comprising:
and the disconnection module is used for disconnecting the logic link with the functional chip.
8. The apparatus of claim 6, further comprising:
the wake-up module is used for acquiring a wake-up instruction when detecting that the callback operation driven by the interface controller is executed, and waking up the interface controller corresponding to the functional chip with the power supply turned off according to the wake-up instruction and a system flow; and skipping the callback operation when detecting that the callback operation driven by the interface controller is executed.
9. The apparatus of claim 6, wherein the interface controller control module is further configured to turn off a clock power supply of the interface controller.
10. The apparatus of claim 6, wherein the driver registration module is further configured to obtain a functional chip start instruction, and register the interface controller driver that has been logged off in response to the functional chip start instruction;
the interface controller control module is also used for driving and starting the power supply of the interface controller corresponding to the functional chip through the interface controller;
the device further comprises:
the logic interface control module is used for establishing logic connection with the functional chip through an I/O interface according to the functional chip starting instruction;
the functional chip control module is also used for starting the power supply of the functional chip according to the functional chip starting instruction.
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| CN105589542A (en) * | 2014-11-13 | 2016-05-18 | 鸿富锦精密工业(武汉)有限公司 | Interface power supply circuit |
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| CN105446912A (en) * | 2014-09-24 | 2016-03-30 | 中兴通讯股份有限公司 | Method and device of CPU (Central Processing Unit) for connecting WIFI module through HSIC (High Speed Inter-chip) bus interface |
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| CN105589542A (en) * | 2014-11-13 | 2016-05-18 | 鸿富锦精密工业(武汉)有限公司 | Interface power supply circuit |
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