1379bc100SJani Nikula /* 2379bc100SJani Nikula * Copyright © 2006 Eric Anholt 3379bc100SJani Nikula * 4379bc100SJani Nikula * Permission to use, copy, modify, distribute, and sell this software and its 5379bc100SJani Nikula * documentation for any purpose is hereby granted without fee, provided that 6379bc100SJani Nikula * the above copyright notice appear in all copies and that both that copyright 7379bc100SJani Nikula * notice and this permission notice appear in supporting documentation, and 8379bc100SJani Nikula * that the name of the copyright holders not be used in advertising or 9379bc100SJani Nikula * publicity pertaining to distribution of the software without specific, 10379bc100SJani Nikula * written prior permission. The copyright holders make no representations 11379bc100SJani Nikula * about the suitability of this software for any purpose. It is provided "as 12379bc100SJani Nikula * is" without express or implied warranty. 13379bc100SJani Nikula * 14379bc100SJani Nikula * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 15379bc100SJani Nikula * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 16379bc100SJani Nikula * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 17379bc100SJani Nikula * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 18379bc100SJani Nikula * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 19379bc100SJani Nikula * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 20379bc100SJani Nikula * OF THIS SOFTWARE. 21379bc100SJani Nikula */ 22379bc100SJani Nikula 23379bc100SJani Nikula #ifndef __INTEL_DVO_DEV_H__ 24379bc100SJani Nikula #define __INTEL_DVO_DEV_H__ 25379bc100SJani Nikula 26ce2fce25SMatt Roper #include "i915_reg_defs.h" 27379bc100SJani Nikula 28acc855d3SJani Nikula #include "intel_display_limits.h" 29a8d9a13dSVille Syrjälä 30356d725dSJani Nikula enum drm_connector_status; 31356d725dSJani Nikula struct drm_display_mode; 32356d725dSJani Nikula struct i2c_adapter; 33356d725dSJani Nikula 34379bc100SJani Nikula struct intel_dvo_device { 35379bc100SJani Nikula const char *name; 36379bc100SJani Nikula int type; 37a8d9a13dSVille Syrjälä /* DVOA/B/C */ 38a8d9a13dSVille Syrjälä enum port port; 39379bc100SJani Nikula /* GPIO register used for i2c bus to control this device */ 40379bc100SJani Nikula u32 gpio; 41*bc3ca4d9SEaswar Hariharan int target_addr; 42379bc100SJani Nikula 43379bc100SJani Nikula const struct intel_dvo_dev_ops *dev_ops; 44379bc100SJani Nikula void *dev_priv; 45379bc100SJani Nikula struct i2c_adapter *i2c_bus; 46379bc100SJani Nikula }; 47379bc100SJani Nikula 48379bc100SJani Nikula struct intel_dvo_dev_ops { 49379bc100SJani Nikula /* 50379bc100SJani Nikula * Initialize the device at startup time. 51379bc100SJani Nikula * Returns NULL if the device does not exist. 52379bc100SJani Nikula */ 53379bc100SJani Nikula bool (*init)(struct intel_dvo_device *dvo, 54379bc100SJani Nikula struct i2c_adapter *i2cbus); 55379bc100SJani Nikula 56379bc100SJani Nikula /* 57379bc100SJani Nikula * Turn on/off output. 58379bc100SJani Nikula * 59379bc100SJani Nikula * Because none of our dvo drivers support an intermediate power levels, 60379bc100SJani Nikula * we don't expose this in the interfac. 61379bc100SJani Nikula */ 62379bc100SJani Nikula void (*dpms)(struct intel_dvo_device *dvo, bool enable); 63379bc100SJani Nikula 64379bc100SJani Nikula /* 65379bc100SJani Nikula * Callback for testing a video mode for a given output. 66379bc100SJani Nikula * 67379bc100SJani Nikula * This function should only check for cases where a mode can't 68379bc100SJani Nikula * be supported on the output specifically, and not represent 69379bc100SJani Nikula * generic CRTC limitations. 70379bc100SJani Nikula * 71379bc100SJani Nikula * \return MODE_OK if the mode is valid, or another MODE_* otherwise. 72379bc100SJani Nikula */ 7321f0b7daSNathan Huckleberry enum drm_mode_status (*mode_valid)(struct intel_dvo_device *dvo, 74379bc100SJani Nikula struct drm_display_mode *mode); 75379bc100SJani Nikula 76379bc100SJani Nikula /* 77379bc100SJani Nikula * Callback for setting up a video mode after fixups have been made. 78379bc100SJani Nikula * 79379bc100SJani Nikula * This is only called while the output is disabled. The dpms callback 80379bc100SJani Nikula * must be all that's necessary for the output, to turn the output on 81379bc100SJani Nikula * after this function is called. 82379bc100SJani Nikula */ 83379bc100SJani Nikula void (*mode_set)(struct intel_dvo_device *dvo, 84379bc100SJani Nikula const struct drm_display_mode *mode, 85379bc100SJani Nikula const struct drm_display_mode *adjusted_mode); 86379bc100SJani Nikula 87379bc100SJani Nikula /* 88379bc100SJani Nikula * Probe for a connected output, and return detect_status. 89379bc100SJani Nikula */ 90379bc100SJani Nikula enum drm_connector_status (*detect)(struct intel_dvo_device *dvo); 91379bc100SJani Nikula 92379bc100SJani Nikula /* 93379bc100SJani Nikula * Probe the current hw status, returning true if the connected output 94379bc100SJani Nikula * is active. 95379bc100SJani Nikula */ 96379bc100SJani Nikula bool (*get_hw_state)(struct intel_dvo_device *dev); 97379bc100SJani Nikula 98379bc100SJani Nikula /** 99379bc100SJani Nikula * Clean up driver-specific bits of the output 100379bc100SJani Nikula */ 101379bc100SJani Nikula void (*destroy) (struct intel_dvo_device *dvo); 102379bc100SJani Nikula 103379bc100SJani Nikula /** 104379bc100SJani Nikula * Debugging hook to dump device registers to log file 105379bc100SJani Nikula */ 106379bc100SJani Nikula void (*dump_regs)(struct intel_dvo_device *dvo); 107379bc100SJani Nikula }; 108379bc100SJani Nikula 109379bc100SJani Nikula extern const struct intel_dvo_dev_ops sil164_ops; 110379bc100SJani Nikula extern const struct intel_dvo_dev_ops ch7xxx_ops; 111379bc100SJani Nikula extern const struct intel_dvo_dev_ops ivch_ops; 112379bc100SJani Nikula extern const struct intel_dvo_dev_ops tfp410_ops; 113379bc100SJani Nikula extern const struct intel_dvo_dev_ops ch7017_ops; 114379bc100SJani Nikula extern const struct intel_dvo_dev_ops ns2501_ops; 115379bc100SJani Nikula 116379bc100SJani Nikula #endif /* __INTEL_DVO_DEV_H__ */ 117