xref: /linux/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x74.c (revision be709d48329a500621d2a05835283150ae137b45)
1 /*
2  * Copyright (C) 2013 Red Hat
3  * Author: Rob Clark <robdclark@gmail.com>
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 as published by
7  * the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include "hdmi.h"
19 
20 static void hdmi_phy_8x74_powerup(struct hdmi_phy *phy,
21 		unsigned long int pixclock)
22 {
23 	hdmi_phy_write(phy, REG_HDMI_8x74_ANA_CFG0,   0x1b);
24 	hdmi_phy_write(phy, REG_HDMI_8x74_ANA_CFG1,   0xf2);
25 	hdmi_phy_write(phy, REG_HDMI_8x74_BIST_CFG0,  0x0);
26 	hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN0, 0x0);
27 	hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN1, 0x0);
28 	hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN2, 0x0);
29 	hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN3, 0x0);
30 	hdmi_phy_write(phy, REG_HDMI_8x74_PD_CTRL1,   0x20);
31 }
32 
33 static void hdmi_phy_8x74_powerdown(struct hdmi_phy *phy)
34 {
35 	hdmi_phy_write(phy, REG_HDMI_8x74_PD_CTRL0, 0x7f);
36 }
37 
38 static const char * const hdmi_phy_8x74_reg_names[] = {
39 	"core-vdda",
40 	"vddio",
41 };
42 
43 static const char * const hdmi_phy_8x74_clk_names[] = {
44 	"iface", "alt_iface"
45 };
46 
47 const struct hdmi_phy_cfg msm_hdmi_phy_8x74_cfg = {
48 	.type = MSM_HDMI_PHY_8x74,
49 	.powerup = hdmi_phy_8x74_powerup,
50 	.powerdown = hdmi_phy_8x74_powerdown,
51 	.reg_names = hdmi_phy_8x74_reg_names,
52 	.num_regs = ARRAY_SIZE(hdmi_phy_8x74_reg_names),
53 	.clk_names = hdmi_phy_8x74_clk_names,
54 	.num_clks = ARRAY_SIZE(hdmi_phy_8x74_clk_names),
55 };
56