| /* |
| * Copyright © 2006 Eric Anholt |
| * |
| * Permission to use, copy, modify, distribute, and sell this software and its |
| * documentation for any purpose is hereby granted without fee, provided that |
| * the above copyright notice appear in all copies and that both that copyright |
| * notice and this permission notice appear in supporting documentation, and |
| * that the name of the copyright holders not be used in advertising or |
| * publicity pertaining to distribution of the software without specific, |
| * written prior permission. The copyright holders make no representations |
| * about the suitability of this software for any purpose. It is provided "as |
| * is" without express or implied warranty. |
| * |
| * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| * OF THIS SOFTWARE. |
| */ |
| |
| #ifndef _INTEL_DVO_H |
| #define _INTEL_DVO_H |
| |
| #include <linux/i2c.h> |
| #include "drmP.h" |
| #include "drm.h" |
| #include "drm_crtc.h" |
| #include "intel_drv.h" |
| |
| struct intel_dvo_device { |
| const char *name; |
| int type; |
| /* DVOA/B/C output register */ |
| u32 dvo_reg; |
| /* GPIO register used for i2c bus to control this device */ |
| u32 gpio; |
| int slave_addr; |
| |
| const struct intel_dvo_dev_ops *dev_ops; |
| void *dev_priv; |
| struct i2c_adapter *i2c_bus; |
| }; |
| |
| struct intel_dvo_dev_ops { |
| /* |
| * Initialize the device at startup time. |
| * Returns NULL if the device does not exist. |
| */ |
| bool (*init)(struct intel_dvo_device *dvo, |
| struct i2c_adapter *i2cbus); |
| |
| /* |
| * Called to allow the output a chance to create properties after the |
| * RandR objects have been created. |
| */ |
| void (*create_resources)(struct intel_dvo_device *dvo); |
| |
| /* |
| * Turn on/off output or set intermediate power levels if available. |
| * |
| * Unsupported intermediate modes drop to the lower power setting. |
| * If the mode is DPMSModeOff, the output must be disabled, |
| * as the DPLL may be disabled afterwards. |
| */ |
| void (*dpms)(struct intel_dvo_device *dvo, int mode); |
| |
| /* |
| * Callback for testing a video mode for a given output. |
| * |
| * This function should only check for cases where a mode can't |
| * be supported on the output specifically, and not represent |
| * generic CRTC limitations. |
| * |
| * \return MODE_OK if the mode is valid, or another MODE_* otherwise. |
| */ |
| int (*mode_valid)(struct intel_dvo_device *dvo, |
| struct drm_display_mode *mode); |
| |
| /* |
| * Callback to adjust the mode to be set in the CRTC. |
| * |
| * This allows an output to adjust the clock or even the entire set of |
| * timings, which is used for panels with fixed timings or for |
| * buses with clock limitations. |
| */ |
| bool (*mode_fixup)(struct intel_dvo_device *dvo, |
| const struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode); |
| |
| /* |
| * Callback for preparing mode changes on an output |
| */ |
| void (*prepare)(struct intel_dvo_device *dvo); |
| |
| /* |
| * Callback for committing mode changes on an output |
| */ |
| void (*commit)(struct intel_dvo_device *dvo); |
| |
| /* |
| * Callback for setting up a video mode after fixups have been made. |
| * |
| * This is only called while the output is disabled. The dpms callback |
| * must be all that's necessary for the output, to turn the output on |
| * after this function is called. |
| */ |
| void (*mode_set)(struct intel_dvo_device *dvo, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode); |
| |
| /* |
| * Probe for a connected output, and return detect_status. |
| */ |
| enum drm_connector_status (*detect)(struct intel_dvo_device *dvo); |
| |
| /** |
| * Query the device for the modes it provides. |
| * |
| * This function may also update MonInfo, mm_width, and mm_height. |
| * |
| * \return singly-linked list of modes or NULL if no modes found. |
| */ |
| struct drm_display_mode *(*get_modes)(struct intel_dvo_device *dvo); |
| |
| /** |
| * Clean up driver-specific bits of the output |
| */ |
| void (*destroy) (struct intel_dvo_device *dvo); |
| |
| /** |
| * Debugging hook to dump device registers to log file |
| */ |
| void (*dump_regs)(struct intel_dvo_device *dvo); |
| }; |
| |
| extern struct intel_dvo_dev_ops sil164_ops; |
| extern struct intel_dvo_dev_ops ch7xxx_ops; |
| extern struct intel_dvo_dev_ops ivch_ops; |
| extern struct intel_dvo_dev_ops tfp410_ops; |
| extern struct intel_dvo_dev_ops ch7017_ops; |
| |
| #endif /* _INTEL_DVO_H */ |