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Diffstat (limited to 'drivers/gpu/drm/emgd/emgd/display/pd/cmn/pd.c')
-rw-r--r--drivers/gpu/drm/emgd/emgd/display/pd/cmn/pd.c517
1 files changed, 0 insertions, 517 deletions
diff --git a/drivers/gpu/drm/emgd/emgd/display/pd/cmn/pd.c b/drivers/gpu/drm/emgd/emgd/display/pd/cmn/pd.c
deleted file mode 100644
index aa8e3b1233db..000000000000
--- a/drivers/gpu/drm/emgd/emgd/display/pd/cmn/pd.c
+++ /dev/null
@@ -1,517 +0,0 @@
-/* -*- pse-c -*-
- *-----------------------------------------------------------------------------
- * Filename: pd.c
- * $Revision: 1.7 $
- *-----------------------------------------------------------------------------
- * 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 file contains all the necessary common functions for port driver
- * module. These functions are called only from hardware specific port
- * drivers. These are exported via pd.h.
- *-----------------------------------------------------------------------------
- */
-
-#define MODULE_NAME hal.dpd
-
-#include <io.h>
-
-#include <memory.h>
-#include <sched.h>
-
-#include <mode.h>
-#include <pd.h>
-#include <pi.h>
-/*!
- * @addtogroup display_group
- * @{
- */
-
-/*!
- *
- * @param size
- *
- * @return void
- */
-void *pd_malloc(unsigned long size)
-{
- return OS_ALLOC(size);
-} /* end pd_malloc */
-
-/*!
- *
- * @param address
- * @param c
- * @size
- *
- * @return void
- */
-void *pd_memset(void *address, int c, unsigned long size)
-{
- return OS_MEMSET(address, c, size);
-} /* end pd_memset */
-
-/*!
- *
- * @param dst
- * @param src
- * @param size
- *
- * @return void
- */
-void *pd_memcpy(void *dst, void *src, unsigned long size)
-{
- return OS_MEMCPY(dst, src, size);
-} /* end pd_memcpy */
-
-/*!
- *
- * @param size
- *
- * @return void
- */
-void pd_free(void *ptr)
-{
- OS_FREE(ptr);
-} /* end pd_free */
-
-/*!
- *
- * @param usec
- *
- * @return void
- */
-void pd_usleep(unsigned long usec)
-{
-
- if (usec <= 1000) {
- OS_SLEEP(usec);
- } else {
- os_alarm_t alarm = OS_SET_ALARM((usec+999)/1000);
- do {
- OS_SCHEDULE();
- } while (!OS_TEST_ALARM(alarm));
- }
-
-}
-
-/*!
- *
- * @param usec
- *
- * @return void
- */
-void pd_ui_usleep(unsigned long usec)
-{
- OS_UISLEEP(usec);
-
-}
-
-/*!
- *
- * @param dest
- * @param src
- *
- * @return dest
- */
-char *pd_strcpy(char *dest, const char *src)
-{
- int i = 0;
- /* This can be optimized by assigning 32 bit quantities instead
- * of 8 bit quantities. This requires knowing the length first then
- * move the quantities. For now, this is OK. */
- while (src[i] != '\0') {
- dest[i] = src[i];
- i++;
- }
- dest[i] = '\0';
- return (dest);
-}
-
-/*!
- *
- * @param handle
- * @param driver
- *
- * @return pi_pd_register()
- */
-int pd_register(void *handle, pd_driver_t *driver)
-{
- return (pi_pd_register(driver));
-} /* end pd_register */
-
-/*!
- *
- * @param curr
- * @param in
- *
- * @return PD_SUCCESS on success
- * @return PD_ERR_INVALID_ATTR or PD_ERR_INCORR_ATTR_VALUE on failure
- */
-int pd_check_attr(pd_attr_t *curr, pd_attr_t *in)
-{
- if (!curr || !in) {
- return PD_ERR_NULL_PTR;
- }
-
- if (curr->id != in->id) {
- return PD_ERR_INVALID_ATTR;
- }
-
- switch (curr->type) {
- case PD_ATTR_TYPE_RANGE:
- if ((in->current_value < RATTR(curr)->min) ||
- (in->current_value > RATTR(curr)->max)) {
- return PD_ERR_INCORR_ATTR_VALUE;
- }
- break;
- case PD_ATTR_TYPE_LIST:
- if ((in->current_value < 1) ||
- (in->current_value > LHATTR(curr)->num_entries)) {
- return PD_ERR_INCORR_ATTR_VALUE;
- }
- break;
- case PD_ATTR_TYPE_BOOL:
- if ((in->current_value != TRUE) &&
- (in->current_value != FALSE)) {
- return PD_ERR_INCORR_ATTR_VALUE;
- }
- break;
- default:
- return PD_ERR_INVALID_ATTR;
- }
- return PD_SUCCESS;
-}
-
-/*!
- * This function searches for the requested attr_id in the attribute list
- * and returns the pointer.
- *
- * In case of LIST attribute, it will return the proper list entry.
- *
- * @param attr_list
- * @param num_attr
- * @param attr_id
- * @param flag
- *
- * @return pd_attr_t on success
- * @return NULL on failure
- */
-pd_attr_t *pd_get_attr(pd_attr_t *attr_list, unsigned long num_attrs,
- unsigned long attr_id, unsigned long flag)
-{
- unsigned long i;
-
- if (!attr_list) {
- return NULL;
- }
-
- for (i = 0; i < num_attrs; i++) {
- if (attr_list[i].id == attr_id) {
- if (attr_list[i].type == PD_ATTR_TYPE_LIST) {
- if (flag == PD_GET_ATTR_LIST_ENTRY) {
- return (&(attr_list[i+attr_list[i].current_value]));
- } else {
- return (&(attr_list[i]));
- }
- }
- return (&(attr_list[i]));
- }
- }
- return NULL;
-} /* end pd_get_attr() */
-
-/*!
- * Common mode filter algorithm for all port drivers
- *
- * @param call_back
- * @param in_list
- * @param out_list
- * @param dvo_info
- * @param display_info
- *
- * @return PD_SUCCESS on success
- * @return PD_ERR_NULL_PTR or PD_ERR_NOMEM on failure
- */
-int pd_filter_timings(
- void *callback_context,
- pd_timing_t *in_list,
- pd_timing_t **out_list,
- pd_dvo_info_t *dvo_info,
- pd_display_info_t *display_info)
-{
- igd_display_port_t *port = (igd_display_port_t *)callback_context;
- pd_timing_t *timing = NULL, *native_dtd = NULL;
- int j;
- int count = 0;
- unsigned short fp_refresh = 60;
- pd_timing_t *olist = NULL;
- unsigned long fixed_timing = 0;
- int i, ret;
-
- if (!port || !in_list || !out_list) {
- return PD_ERR_NULL_PTR;
- }
-
- /* Start with fixed_res = 0 */
- display_info->fixed_res = 0;
-
- /* DisplayID FP width are specified */
- if (port->firmware_type == PI_FIRMWARE_DISPLAYID) {
- display_info->width = port->displayid->display_params.horz_pixels;
- display_info->height = port->displayid->display_params.vert_pixels;
- fixed_timing = port->displayid->display_params.fixed_timing;
- display_info->fixed_res = port->displayid->display_params.fixed_res;
- }
-
- /* Overwrite DisplayID FP values with config fpinfo, later
- * these will be overwritten by native DTD width, height */
- if (port->fp_info) {
- /* This is done for backward compatibility:
- * Set width, height from display port fp_info
- * This also required dropping fp_info width and height attributes
- * from all port drivers */
- display_info->width = (unsigned short) port->fp_info->fp_width;
- display_info->height = (unsigned short) port->fp_info->fp_height;
- /* Backward compatibility: If width and height are specified,
- * that means it is a fixed resolution panel */
- if (port->fp_info->fp_width && port->fp_info->fp_height) {
- display_info->fixed_res = 1;
- fp_refresh = 60;
- }
- }
-
- /* If fixed timing also comes from user attributes then override DisplayID
- * fixed timing and fpinfo values */
- ret = pi_get_port_init_attr(port, PD_ATTR_ID_FIXED_TIMING, &fixed_timing);
- if (fixed_timing) {
- display_info->fixed_res = 1;
- fp_refresh = 60;
- }
-
- /* Do gmch filtering:
- * There is no way to get the mode context inorder to reach the
- * gmch filtering function */
-
- /* First find the native resolution */
- get_native_dtd(in_list, PI_SUPPORTED_TIMINGS,
- &display_info->native_dtd, PD_MODE_DTD_FP_NATIVE);
-
- /* If no FP Native DTD provided, then get the native DTD
- * either user DTD or edid DTD */
- if (!display_info->native_dtd) {
- get_native_dtd(in_list, PI_SUPPORTED_TIMINGS,
- &display_info->native_dtd, PD_MODE_DTD_USER);
- }
- if (!display_info->native_dtd) {
- get_native_dtd(in_list, PI_SUPPORTED_TIMINGS,
- &display_info->native_dtd, PD_MODE_DTD);
- }
-
- /* Set up the fp width, height and refresh for the comparison */
- if (display_info->native_dtd) {
-#ifndef CONFIG_MICRO
- /* If fp width, height doesn' match with native width and height,
- * Configuration isn't correct */
- if ((display_info->width &&
- (display_info->width != display_info->native_dtd->width)) &&
- (display_info->height &&
- (display_info->height != display_info->native_dtd->height))) {
- EMGD_DEBUG("FP Width Height doesn't match with Native DTD.");
- }
-#endif
- /* Overwrite native width height as panel width and height */
- display_info->width = display_info->native_dtd->width;
- display_info->height = display_info->native_dtd->height;
- fp_refresh = display_info->native_dtd->refresh;
- } else if (ret &&
- port->firmware_type != PI_FIRMWARE_DISPLAYID &&
- dvo_info->upscale) {
- /* TODO:
- * For time being this function has to assume all upscaling encoders
- * are connected to a fixed timing panel if no fixed_timing is
- * specified.
- *
- * Once fixed_timing init-time attribute becomes mandatory, below check
- * can be removed.
- *
- * If customer uses old config system and didn't specified init time
- * fixed_timing attribute, then driver assumes it is a fixed-resolution
- * panel. If user do specifies fixed_timing attribute, then above check
- * will fail, and algorithm continues with whatever value set to
- * fixed_res attr.
- *
- * ret != 0 means no fixed_timing user attribute
- * firmware_type == DISPLAYID means firmware provided fixed_timing,
- * so don't change it.
- */
- display_info->fixed_res = 1;
- }
-
- /* Check native_dtd for fixed_res display */
- if (display_info->fixed_res && !display_info->native_dtd) {
- /* This happens if user provides fp_width, fp_height and didn't set
- * fixed res parameter. In this case native_dtd will be set as part
- * of the while loop while filtering the modes */
- EMGD_DEBUG("pd_filter_timings: No native dtd for fixed_resolution");
- }
-
- if (!display_info->width && !display_info->height) {
- /* If fp width and height isn't known, then enable all modes as
- * non-fixed res display */
- display_info->fixed_res = 0;
- }
-
- EMGD_DEBUG("fixed_res = %u fixed_timing = %lu",
- display_info->fixed_res, fixed_timing);
- EMGD_DEBUG("fp_width = %u, fp_height = %u, fp_refresh = %u",
- display_info->width, display_info->height, fp_refresh);
- EMGD_DEBUG("min_dclk = %lu, max_dclk = %lu",
- dvo_info->min_dclk, dvo_info->max_dclk);
-
- /* This function can be called with following
- * ---------------------------------------------------------------
- * DVO device PanelFit Display AvailableModes
- * DOWN UP Fixed?
- * --------------------------------------------------------
- * 0 0 0 0 All supported modes
- * 1 0 0 0 All supported modes
- * 0 1 0 0 All supported modes
- * 1 1 0 0 All supported modes
- * 0 0 1 0 All supported modes
- * 1 0 1 0 All supported modes
- * 0 1 1 0 All supported modes
- * 1 1 1 0 All supported modes
- *
- * 0 0 0 Y Only one mode
- * 1 0 0 Y Only one mode
- * 0 1 0 Y Only one mode
- * 1 1 0 Y Only one mode
- * 0 0 1 Y Only one mode
- *
- * 0 1 1 Y All upscalable modes
- * 1 0 1 Y All downscalable modes
- *
- * 1 1 1 Y All UP & DOWN scalable modes
- * -------------------------------------------------------------------------
- */
-
- for (i = 0; i < 2; ++i) {
- j = 0;
- timing = in_list;
- while(timing->width != PD_TIMING_LIST_END) {
- /* If mode supported and dclk is within the range */
- if ((timing->mode_info_flags & PD_MODE_SUPPORTED) &&
- ((!dvo_info->max_dclk || (timing->dclk <= dvo_info->max_dclk))&&
- (!dvo_info->min_dclk || (timing->dclk >= dvo_info->min_dclk)))){
-
- if (
- /* fixed_res = 0 */
- !display_info->fixed_res ||
-
- /* no panel fit */
- (!display_info->panel_fit &&
- timing->refresh == fp_refresh &&
- timing->width == display_info->width &&
- timing->height == display_info->height) ||
-
- /* panel fit and upscale or downscale */
- (display_info->panel_fit &&
- timing->refresh == fp_refresh &&
- ((dvo_info->upscale &&
- timing->width <= display_info->width &&
- timing->height <= display_info->height &&
- (!dvo_info->upscale_min_width ||
- timing->width >= dvo_info->upscale_min_width) &&
- (!dvo_info->upscale_min_height ||
- timing->height >= dvo_info->upscale_min_height))
-#if 0
- ||
- (dvo_info->downscale &&
- timing->width >= display_info->width &&
- timing->height >= display_info->height &&
- (!dvo_info->downscale_max_width ||
- timing->width <= dvo_info->downscale_max_width) &&
- (!dvo_info->downscale_max_height ||
- timing->height >= dvo_info->downscale_max_height))
-#endif
- ))) {
-
- if(!i){
- count++;
- } else {
- /* copy timing */
- olist[j] = *timing;
-
- /* save the native_dtd timing */
- if ((timing->width == display_info->width) &&
- (timing->height == display_info->height) &&
- (timing->refresh == fp_refresh)) {
- native_dtd = &(olist[j]);
- }
-
- /* The native DTD pointer is pointing in the in_list,
- * reset this pointer to point in the out_list */
- if (timing == display_info->native_dtd) {
- display_info->native_dtd = &olist[j];
- }
-
- j++;
- }
- }
- }
- timing++;
- if ((timing->width == PD_TIMING_LIST_END) && timing->extn_ptr) {
- timing = timing->extn_ptr;
- }
- }
- if(!i) {
- count++;
- olist = (pd_timing_t *) pd_malloc(count * sizeof(pd_timing_t));
- if(!olist) {
- return PD_ERR_NOMEM;
- }
- } else {
- /* Copy the END of LIST entry */
- olist[j] = *timing;
- }
- }
-
- /* If there is no native_dtd, then use the first matching
- * resolution with fp width and height as native dtd */
- if (!display_info->native_dtd) {
- display_info->native_dtd = native_dtd;
- }
- if (display_info->native_dtd) {
- EMGD_DEBUG("pd_filter_timings: NativeDTD: %ux%u@%u",
- display_info->native_dtd->width,
- display_info->native_dtd->height,
- display_info->native_dtd->refresh);
- display_info->native_dtd->mode_info_flags |= PD_MODE_DTD_FP_NATIVE;
- }
-
- *out_list = olist;
- return PD_SUCCESS;
-}
-
-
-/*----------------------------------------------------------------------------
- * File Revision History
- * $Id: pd.c,v 1.7 2010/07/23 16:54:49 bpaauwe Exp $
- * $Source: /nfs/fm/proj/eia/cvsroot/koheo/linux/egd_drm/emgd/display/pd/cmn/pd.c,v $
- *----------------------------------------------------------------------------
- */
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