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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: lvds.h
* $Revision: 1.4 $
*-----------------------------------------------------------------------------
* Copyright © 2002-2010, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*-----------------------------------------------------------------------------
* Description:
* This is header file for Internal LVDS PORT DRIVER.
*-----------------------------------------------------------------------------
*/
#ifndef _PD_LVDS_H
#define _PD_LVDS_H
#include <pd.h>
#include <pci.h>
/* Values received from DPG hardware engineer. These are for single channel. */
#ifndef PCI_DEVICE_ID_VGA_855
#define PCI_DEVICE_ID_VGA_855 0x3582
#endif
#ifndef PCI_DEVICE_ID_VGA_915AL
#define PCI_DEVICE_ID_VGA_915AL 0x2592
#endif
#ifndef PCI_DEVICE_ID_VGA_945GM
#define PCI_DEVICE_ID_VGA_945GM 0x27A2
#endif
#ifndef PCI_DEVICE_ID_VGA_945GME
#define PCI_DEVICE_ID_VGA_945GME 0x27AE
#endif
#ifndef PCI_DEVICE_ID_VGA_GM965
#define PCI_DEVICE_ID_VGA_GM965 0x2A02
#endif
#ifndef PCI_DEVICE_ID_VGA_GME965
#define PCI_DEVICE_ID_VGA_GME965 0x2A12
#endif
#ifndef PCI_DEVICE_ID_VGA_CTG
#define PCI_DEVICE_ID_VGA_CTG 0x2A42
#endif
#ifndef PCI_DEVICE_ID_VGA_PLB
#define PCI_DEVICE_ID_VGA_PLB 0x8108
#endif
#ifndef PCI_DEVICE_ID_VGA_TNC
#define PCI_DEVICE_ID_VGA_TNC 0x4108
#endif
#ifndef PCI_DEVICE_ID_VGA_TNC_A0
#define PCI_DEVICE_ID_VGA_TNC_A0 0x4100
#endif
#ifndef PCI_DEVICE_ID_VGA_LNC
#define PCI_DEVICE_ID_VGA_LNC 0x4102
#endif
#define LVDS_MIN_DCLK 12000L /* in KHz */
#define LVDS_MAX_DCLK 112000L /* in KHz */
/* definition for 915GM */
#define LVDS_915GM_SINGLE_MIN_DCLK 20000L
#define LVDS_915GM_SINGLE_MAX_DCLK 112000L
#define LVDS_915GM_DUAL_MIN_DCLK 25000L
#define LVDS_915GM_DUAL_MAX_DCLK 224000L
/* definition for 945GM */
#define LVDS_945GM_SINGLE_MIN_DCLK 25000L
#define LVDS_945GM_SINGLE_MAX_DCLK 112000L
#define LVDS_945GM_DUAL_MIN_DCLK 25000L
#define LVDS_945GM_DUAL_MAX_DCLK 224000L
/* definition for GM965 */
#define LVDS_GM965_SINGLE_MIN_DCLK 25000L
#define LVDS_GM965_SINGLE_MAX_DCLK 112000L
#define LVDS_GM965_DUAL_MIN_DCLK 25000L
#define LVDS_GM965_DUAL_MAX_DCLK 224000L
/* definition for Atom E6xx */
#define LVDS_TNC_SINGLE_MIN_DCLK 19750L
#define LVDS_TNC_SINGLE_MAX_DCLK 79500L
#define LVDS_MIN(a, b) ((a)<(b)?(a):(b))
/* Local attributes
* BIT15 of attribute Id specifies that it is a local attribute */
#define LVDS_ATTR_ID_DATA_FORMAT (BIT(15)|1)
#define LVDS_ATTR_ID_TC_LVDS_CLK (BIT(15)|2)
/* Default values */
#define LVDS_DEF_PANEL_DEPTH 18 /* Default panel depth */
#define LVDS_DEF_DITHER 1 /* default=1 as default panel depth=18*/
#define LVDS_DEF_SCALE_ON 1 /* Default scaling is on */
#define LVDS_DEF_PANEL_FIT 1 /* Default panel fit in on */
typedef struct _lvds_context {
unsigned short fp_width;
unsigned short fp_height;
unsigned short dual_channel;
unsigned short panel_type;
unsigned short panel_fit;
unsigned short panel_depth;
unsigned short dither;
unsigned short aspect_ratio;
unsigned long text_tune;
unsigned long pwm_intensity;
unsigned long inverter_freq;
unsigned long blm_legacy_mode;
unsigned long power_state;
unsigned short chipset;
unsigned char init_done;
unsigned char num_attrs;
unsigned long pipe;
unsigned short gfx_freq;
unsigned char gn4_plus;
unsigned char pwm_done;
unsigned char tc_110MHz_clk;
pd_callback_t *callback;
pd_timing_t *timing_table;
pd_attr_t *attr_list;
pd_timing_t *native_dtd;
pd_timing_t *current_mode;
} lvds_context_t;
extern int PD_MODULE_INIT(lvds_init, (void *handle));
extern int PD_MODULE_EXIT(lvds_exit, (void));
extern unsigned long lvds_validate(unsigned long cookie);
extern int lvds_open(pd_callback_t *callback, void **context);
extern int lvds_init_device(void *context);
extern int lvds_close(void *context);
extern int lvds_set_mode(void *context, pd_timing_t *mode,
unsigned long flags);
extern int lvds_post_set_mode(void *context, pd_timing_t *mode,
unsigned long flags);
extern int lvds_set_attrs(void *context, unsigned long num, pd_attr_t *list);
extern int lvds_get_attrs(void *context, unsigned long*num, pd_attr_t **list);
extern int lvds_get_timing_list(void *context, pd_timing_t *in_list,
pd_timing_t **list);
extern int lvds_set_power(void *context, unsigned long state);
extern int lvds_get_power(void *context, unsigned long *state);
extern int lvds_save(void *context, void **state, unsigned long flags);
extern int lvds_restore(void *context, void *state, unsigned long flags);
extern int lvds_get_port_status(void *context, pd_port_status_t *port_status);
#endif
/*----------------------------------------------------------------------------
* File Revision History
* $Id: lvds.h,v 1.4 2010/09/20 17:26:48 astead Exp $
* $Source: /nfs/fm/proj/eia/cvsroot/koheo/linux/egd_drm/emgd/pal/lvds/lvds.h,v $
*----------------------------------------------------------------------------
*/
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