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- /*
- * Copyright (C) 2013 Red Hat
- * Author: Rob Clark <robdclark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
- */
- #include "hdmi.h"
- struct hdmi_phy_8x74 {
- struct hdmi_phy base;
- void __iomem *mmio;
- };
- #define to_hdmi_phy_8x74(x) container_of(x, struct hdmi_phy_8x74, base)
- static void phy_write(struct hdmi_phy_8x74 *phy, u32 reg, u32 data)
- {
- msm_writel(data, phy->mmio + reg);
- }
- //static u32 phy_read(struct hdmi_phy_8x74 *phy, u32 reg)
- //{
- // return msm_readl(phy->mmio + reg);
- //}
- static void hdmi_phy_8x74_destroy(struct hdmi_phy *phy)
- {
- struct hdmi_phy_8x74 *phy_8x74 = to_hdmi_phy_8x74(phy);
- kfree(phy_8x74);
- }
- static void hdmi_phy_8x74_powerup(struct hdmi_phy *phy,
- unsigned long int pixclock)
- {
- struct hdmi_phy_8x74 *phy_8x74 = to_hdmi_phy_8x74(phy);
- phy_write(phy_8x74, REG_HDMI_8x74_ANA_CFG0, 0x1b);
- phy_write(phy_8x74, REG_HDMI_8x74_ANA_CFG1, 0xf2);
- phy_write(phy_8x74, REG_HDMI_8x74_BIST_CFG0, 0x0);
- phy_write(phy_8x74, REG_HDMI_8x74_BIST_PATN0, 0x0);
- phy_write(phy_8x74, REG_HDMI_8x74_BIST_PATN1, 0x0);
- phy_write(phy_8x74, REG_HDMI_8x74_BIST_PATN2, 0x0);
- phy_write(phy_8x74, REG_HDMI_8x74_BIST_PATN3, 0x0);
- phy_write(phy_8x74, REG_HDMI_8x74_PD_CTRL1, 0x20);
- }
- static void hdmi_phy_8x74_powerdown(struct hdmi_phy *phy)
- {
- struct hdmi_phy_8x74 *phy_8x74 = to_hdmi_phy_8x74(phy);
- phy_write(phy_8x74, REG_HDMI_8x74_PD_CTRL0, 0x7f);
- }
- static const struct hdmi_phy_funcs hdmi_phy_8x74_funcs = {
- .destroy = hdmi_phy_8x74_destroy,
- .powerup = hdmi_phy_8x74_powerup,
- .powerdown = hdmi_phy_8x74_powerdown,
- };
- struct hdmi_phy *hdmi_phy_8x74_init(struct hdmi *hdmi)
- {
- struct hdmi_phy_8x74 *phy_8x74;
- struct hdmi_phy *phy = NULL;
- int ret;
- phy_8x74 = kzalloc(sizeof(*phy_8x74), GFP_KERNEL);
- if (!phy_8x74) {
- ret = -ENOMEM;
- goto fail;
- }
- phy = &phy_8x74->base;
- phy->funcs = &hdmi_phy_8x74_funcs;
- /* for 8x74, the phy mmio is mapped separately: */
- phy_8x74->mmio = msm_ioremap(hdmi->pdev,
- "phy_physical", "HDMI_8x74");
- if (IS_ERR(phy_8x74->mmio)) {
- ret = PTR_ERR(phy_8x74->mmio);
- goto fail;
- }
- return phy;
- fail:
- if (phy)
- hdmi_phy_8x74_destroy(phy);
- return ERR_PTR(ret);
- }
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