projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 7f8f209f SK |
1 | What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/priority |
| 2 | /sys/devices/platform/QCOM8060:*/chanops/chan*/priority | |
| 3 | Date: Nov 2015 | |
| 4 | KernelVersion: 4.4 | |
| 5 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 6 | Description: | |
| 7 | Contains either 0 or 1 and indicates if the DMA channel is a | |
| 8 | low priority (0) or high priority (1) channel. | |
| 9 | ||
| 10 | What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/weight | |
| 11 | /sys/devices/platform/QCOM8060:*/chanops/chan*/weight | |
| 12 | Date: Nov 2015 | |
| 13 | KernelVersion: 4.4 | |
| 14 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 15 | Description: | |
| 16 | Contains 0..15 and indicates the weight of the channel among | |
| 17 | equal priority channels during round robin scheduling. | |
| 18 | ||
| 19 | What: /sys/devices/platform/hidma-mgmt*/chreset_timeout_cycles | |
| 20 | /sys/devices/platform/QCOM8060:*/chreset_timeout_cycles | |
| 21 | Date: Nov 2015 | |
| 22 | KernelVersion: 4.4 | |
| 23 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 24 | Description: | |
| 25 | Contains the platform specific cycle value to wait after a | |
| 26 | reset command is issued. If the value is chosen too short, | |
| 27 | then the HW will issue a reset failure interrupt. The value | |
| 28 | is platform specific and should not be changed without | |
| 29 | consultance. | |
| 30 | ||
| 31 | What: /sys/devices/platform/hidma-mgmt*/dma_channels | |
| 32 | /sys/devices/platform/QCOM8060:*/dma_channels | |
| 33 | Date: Nov 2015 | |
| 34 | KernelVersion: 4.4 | |
| 35 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 36 | Description: | |
| 37 | Contains the number of dma channels supported by one instance | |
| 38 | of HIDMA hardware. The value may change from chip to chip. | |
| 39 | ||
| 40 | What: /sys/devices/platform/hidma-mgmt*/hw_version_major | |
| 41 | /sys/devices/platform/QCOM8060:*/hw_version_major | |
| 42 | Date: Nov 2015 | |
| 43 | KernelVersion: 4.4 | |
| 44 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 45 | Description: | |
| 46 | Version number major for the hardware. | |
| 47 | ||
| 48 | What: /sys/devices/platform/hidma-mgmt*/hw_version_minor | |
| 49 | /sys/devices/platform/QCOM8060:*/hw_version_minor | |
| 50 | Date: Nov 2015 | |
| 51 | KernelVersion: 4.4 | |
| 52 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 53 | Description: | |
| 54 | Version number minor for the hardware. | |
| 55 | ||
| 56 | What: /sys/devices/platform/hidma-mgmt*/max_rd_xactions | |
| 57 | /sys/devices/platform/QCOM8060:*/max_rd_xactions | |
| 58 | Date: Nov 2015 | |
| 59 | KernelVersion: 4.4 | |
| 60 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 61 | Description: | |
| 62 | Contains a value between 0 and 31. Maximum number of | |
| 63 | read transactions that can be issued back to back. | |
| 64 | Choosing a higher number gives better performance but | |
| 65 | can also cause performance reduction to other peripherals | |
| 66 | sharing the same bus. | |
| 67 | ||
| 68 | What: /sys/devices/platform/hidma-mgmt*/max_read_request | |
| 69 | /sys/devices/platform/QCOM8060:*/max_read_request | |
| 70 | Date: Nov 2015 | |
| 71 | KernelVersion: 4.4 | |
| 72 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 73 | Description: | |
| 74 | Size of each read request. The value needs to be a power | |
| 75 | of two and can be between 128 and 1024. | |
| 76 | ||
| 77 | What: /sys/devices/platform/hidma-mgmt*/max_wr_xactions | |
| 78 | /sys/devices/platform/QCOM8060:*/max_wr_xactions | |
| 79 | Date: Nov 2015 | |
| 80 | KernelVersion: 4.4 | |
| 81 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 82 | Description: | |
| 83 | Contains a value between 0 and 31. Maximum number of | |
| 84 | write transactions that can be issued back to back. | |
| 85 | Choosing a higher number gives better performance but | |
| 86 | can also cause performance reduction to other peripherals | |
| 87 | sharing the same bus. | |
| 88 | ||
| 89 | ||
| 90 | What: /sys/devices/platform/hidma-mgmt*/max_write_request | |
| 91 | /sys/devices/platform/QCOM8060:*/max_write_request | |
| 92 | Date: Nov 2015 | |
| 93 | KernelVersion: 4.4 | |
| 94 | Contact: "Sinan Kaya <okaya@cudeaurora.org>" | |
| 95 | Description: | |
| 96 | Size of each write request. The value needs to be a power | |
| 97 | of two and can be between 128 and 1024. |