/*
* Copyright © 2006-2011 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*/
#include <linux/i2c.h>
#include <drm/drmP.h>
#include "framebuffer.h"
#include "psb_drv.h"
#include "psb_intel_drv.h"
#include "psb_intel_reg.h"
#include "gma_display.h"
#include "power.h"
#include "cdv_device.h"
static bool cdv_intel_find_dp_pll(const struct gma_limit_t *limit,
struct drm_crtc *crtc, int target,
int refclk, struct gma_clock_t *best_clock);
#define CDV_LIMIT_SINGLE_LVDS_96 0
#define CDV_LIMIT_SINGLE_LVDS_100 1
#define CDV_LIMIT_DAC_HDMI_27 2
#define CDV_LIMIT_DAC_HDMI_96 3
#define CDV_LIMIT_DP_27 4
#define CDV_LIMIT_DP_100 5
static const struct gma_limit_t cdv_intel_limits[] = {
{ /* CDV_SINGLE_LVDS_96MHz */
.dot = {.min = 20000, .max = 115500},
.vco = {.min = 1800000, .max = 3600000},
.n = {.min = 2, .max = 6},
.m = {.min = 60, .max = 160},
.m1 = {.min = 0, .max = 0},
.m2 = {.min = 58, .max = 158},
.p = {.min = 28, .max = 140},
.p1 = {.min = 2, .max = 10},
.p2 = {.dot_limit = 200000, .p2_slow = 14, .p2_fast = 14},
.find_pll = gma_find_best_pll,
},
{ /* CDV_SINGLE_LVDS_100MHz */
.dot = {.min = 20000, .max = 115500},
.vco = {.min = 1800000, .max = 3600000},
.n = {.min = 2, .max = 6},
.m = {.min = 60, .max = 160},
.m1 = {.min = 0, .max = 0},
.m2 = {.min = 58, .max = 158},
.p = {.min = 28, .max = 140},
.p1 = {.min = 2, .max = 10},
/* The single-channel range is 25-112Mhz, and dual-channel
* is 80-224Mhz. Prefer single channel as much as possible.
*/
.p2 = {.dot_limit = 200000, .p2_slow = 14, .p2_fast = 14},
.find_pll = gma_find_best_pll,
},
{ /* CDV_DAC_HDMI_27MHz */
.dot = {.min = 20000, .max = 400000},
.vco = {.min = 1809000, .max = 3564000},
.n = {.min = 1, .max = 1},
.m = {.min = 67, .max = 132},
.m1 = {.min = 0, .max = 0},
.m2 = {.min = 65, .max = 130},
.p = {.min = 5, .max = 90},
.p1 = {.min = 1, .max = 9},
.p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
.find_pll = gma_find_best_pll,
},
{ /* CDV_DAC_HDMI_96MHz */
.dot = {.min = 20000, .max = 400000},
.vco = {.min = 1800000, .max = 3600000},
.n = {.min = 2, .max = 6},
.m = {.min = 60, .max = 160},
.m1 = {.min = 0, .max = 0},