Re: Is it feasible to add another driver for CCIC?
On Wed, 21 Jul 2010, Jun Nie wrote: Hi, I am working on CCIC camera controller driver and want to push it into kernel. This CCIC IP is similar with IP of cafe_ccic, but with lots of change: no I2C bus, embedded in SOC/no PCI, support both parallel and CSI interface. So some register definition changes. I just want to confirm that a new driver for SOC CCIC is acceptable for community. Thanks! Well, if there is a well defined common core of the both implementations, e.g., common register set (or at least most of them), then, I think, it would make sense to split the current cafe_ccic, extract that core and reuse it... It is always an interesting decision, whether two devices are similar enough or not. Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Is it feasible to add another driver for CCIC?
2010/7/21 Guennadi Liakhovetski g.liakhovet...@gmx.de: On Wed, 21 Jul 2010, Jun Nie wrote: Hi, I am working on CCIC camera controller driver and want to push it into kernel. This CCIC IP is similar with IP of cafe_ccic, but with lots of change: no I2C bus, embedded in SOC/no PCI, support both parallel and CSI interface. So some register definition changes. I just want to confirm that a new driver for SOC CCIC is acceptable for community. Thanks! Well, if there is a well defined common core of the both implementations, e.g., common register set (or at least most of them), then, I think, it would make sense to split the current cafe_ccic, extract that core and reuse it... It is always an interesting decision, whether two devices are similar enough or not. Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ DVP parallel part registers are 90% same, about 40% same for all registers with about 5% conflict. My main concern is that cafe_ccic driver structure and application usage is much simple and have no DMA chain while SOC CCIC should support soc_camera/DMA chain/user pointer. So it will take much effort to share DVP settings, such as image size and HSYNC_PO/VSYNC_PO, etc. Is there any existing drivers with such similar abstraction for decision making reference? Thanks Jun -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Is it feasible to add another driver for CCIC?
Hi, I am working on CCIC camera controller driver and want to push it into kernel. This CCIC IP is similar with IP of cafe_ccic, but with lots of change: no I2C bus, embedded in SOC/no PCI, support both parallel and CSI interface. So some register definition changes. I just want to confirm that a new driver for SOC CCIC is acceptable for community. Thanks! Jun -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
