| /* |
| * 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/>. |
| */ |
| |
| #ifndef __HDMI_CONNECTOR_H__ |
| #define __HDMI_CONNECTOR_H__ |
| |
| #include <linux/i2c.h> |
| #include <linux/clk.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/hdmi.h> |
| |
| #include "msm_drv.h" |
| #include "hdmi.xml.h" |
| |
| #define HDMI_MAX_NUM_GPIO 6 |
| |
| struct hdmi_phy; |
| struct hdmi_platform_config; |
| |
| struct hdmi_gpio_data { |
| int num; |
| bool output; |
| int value; |
| const char *label; |
| }; |
| |
| struct hdmi_audio { |
| bool enabled; |
| struct hdmi_audio_infoframe infoframe; |
| int rate; |
| }; |
| |
| struct hdmi_hdcp_ctrl; |
| |
| struct hdmi { |
| struct drm_device *dev; |
| struct platform_device *pdev; |
| |
| const struct hdmi_platform_config *config; |
| |
| /* audio state: */ |
| struct hdmi_audio audio; |
| |
| /* video state: */ |
| bool power_on; |
| unsigned long int pixclock; |
| |
| void __iomem *mmio; |
| void __iomem *qfprom_mmio; |
| phys_addr_t mmio_phy_addr; |
| |
| struct regulator **hpd_regs; |
| struct regulator **pwr_regs; |
| struct clk **hpd_clks; |
| struct clk **pwr_clks; |
| |
| struct hdmi_phy *phy; |
| struct device *phy_dev; |
| |
| struct i2c_adapter *i2c; |
| struct drm_connector *connector; |
| struct drm_bridge *bridge; |
| |
| /* the encoder we are hooked to (outside of hdmi block) */ |
| struct drm_encoder *encoder; |
| |
| bool hdmi_mode; /* are we in hdmi mode? */ |
| |
| int irq; |
| struct workqueue_struct *workq; |
| |
| struct hdmi_hdcp_ctrl *hdcp_ctrl; |
| |
| /* |
| * spinlock to protect registers shared by different execution |
| * REG_HDMI_CTRL |
| * REG_HDMI_DDC_ARBITRATION |
| * REG_HDMI_HDCP_INT_CTRL |
| * REG_HDMI_HPD_CTRL |
| */ |
| spinlock_t reg_lock; |
| }; |
| |
| /* platform config data (ie. from DT, or pdata) */ |
| struct hdmi_platform_config { |
| const char *mmio_name; |
| const char *qfprom_mmio_name; |
| |
| /* regulators that need to be on for hpd: */ |
| const char **hpd_reg_names; |
| int hpd_reg_cnt; |
| |
| /* regulators that need to be on for screen pwr: */ |
| const char **pwr_reg_names; |
| int pwr_reg_cnt; |
| |
| /* clks that need to be on for hpd: */ |
| const char **hpd_clk_names; |
| const long unsigned *hpd_freq; |
| int hpd_clk_cnt; |
| |
| /* clks that need to be on for screen pwr (ie pixel clk): */ |
| const char **pwr_clk_names; |
| int pwr_clk_cnt; |
| |
| /* gpio's: */ |
| struct hdmi_gpio_data gpios[HDMI_MAX_NUM_GPIO]; |
| }; |
| |
| void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on); |
| |
| static inline void hdmi_write(struct hdmi *hdmi, u32 reg, u32 data) |
| { |
| msm_writel(data, hdmi->mmio + reg); |
| } |
| |
| static inline u32 hdmi_read(struct hdmi *hdmi, u32 reg) |
| { |
| return msm_readl(hdmi->mmio + reg); |
| } |
| |
| static inline u32 hdmi_qfprom_read(struct hdmi *hdmi, u32 reg) |
| { |
| return msm_readl(hdmi->qfprom_mmio + reg); |
| } |
| |
| /* |
| * hdmi phy: |
| */ |
| |
| enum hdmi_phy_type { |
| MSM_HDMI_PHY_8x60, |
| MSM_HDMI_PHY_8960, |
| MSM_HDMI_PHY_8x74, |
| MSM_HDMI_PHY_8996, |
| MSM_HDMI_PHY_MAX, |
| }; |
| |
| struct hdmi_phy_cfg { |
| enum hdmi_phy_type type; |
| void (*powerup)(struct hdmi_phy *phy, unsigned long int pixclock); |
| void (*powerdown)(struct hdmi_phy *phy); |
| const char * const *reg_names; |
| int num_regs; |
| const char * const *clk_names; |
| int num_clks; |
| }; |
| |
| extern const struct hdmi_phy_cfg msm_hdmi_phy_8x60_cfg; |
| extern const struct hdmi_phy_cfg msm_hdmi_phy_8960_cfg; |
| extern const struct hdmi_phy_cfg msm_hdmi_phy_8x74_cfg; |
| extern const struct hdmi_phy_cfg msm_hdmi_phy_8996_cfg; |
| |
| struct hdmi_phy { |
| struct platform_device *pdev; |
| void __iomem *mmio; |
| struct hdmi_phy_cfg *cfg; |
| const struct hdmi_phy_funcs *funcs; |
| struct regulator **regs; |
| struct clk **clks; |
| }; |
| |
| static inline void hdmi_phy_write(struct hdmi_phy *phy, u32 reg, u32 data) |
| { |
| msm_writel(data, phy->mmio + reg); |
| } |
| |
| static inline u32 hdmi_phy_read(struct hdmi_phy *phy, u32 reg) |
| { |
| return msm_readl(phy->mmio + reg); |
| } |
| |
| int msm_hdmi_phy_resource_enable(struct hdmi_phy *phy); |
| void msm_hdmi_phy_resource_disable(struct hdmi_phy *phy); |
| void msm_hdmi_phy_powerup(struct hdmi_phy *phy, unsigned long int pixclock); |
| void msm_hdmi_phy_powerdown(struct hdmi_phy *phy); |
| void __init msm_hdmi_phy_driver_register(void); |
| void __exit msm_hdmi_phy_driver_unregister(void); |
| |
| #ifdef CONFIG_COMMON_CLK |
| int msm_hdmi_pll_8960_init(struct platform_device *pdev); |
| int msm_hdmi_pll_8996_init(struct platform_device *pdev); |
| #else |
| static inline int msm_hdmi_pll_8960_init(struct platform_device *pdev); |
| { |
| return -ENODEV; |
| } |
| |
| static inline int msm_hdmi_pll_8996_init(struct platform_device *pdev) |
| { |
| return -ENODEV; |
| } |
| #endif |
| |
| /* |
| * audio: |
| */ |
| |
| int msm_hdmi_audio_update(struct hdmi *hdmi); |
| int msm_hdmi_audio_info_setup(struct hdmi *hdmi, bool enabled, |
| uint32_t num_of_channels, uint32_t channel_allocation, |
| uint32_t level_shift, bool down_mix); |
| void msm_hdmi_audio_set_sample_rate(struct hdmi *hdmi, int rate); |
| |
| |
| /* |
| * hdmi bridge: |
| */ |
| |
| struct drm_bridge *msm_hdmi_bridge_init(struct hdmi *hdmi); |
| void msm_hdmi_bridge_destroy(struct drm_bridge *bridge); |
| |
| /* |
| * hdmi connector: |
| */ |
| |
| void msm_hdmi_connector_irq(struct drm_connector *connector); |
| struct drm_connector *msm_hdmi_connector_init(struct hdmi *hdmi); |
| |
| /* |
| * i2c adapter for ddc: |
| */ |
| |
| void msm_hdmi_i2c_irq(struct i2c_adapter *i2c); |
| void msm_hdmi_i2c_destroy(struct i2c_adapter *i2c); |
| struct i2c_adapter *msm_hdmi_i2c_init(struct hdmi *hdmi); |
| |
| /* |
| * hdcp |
| */ |
| struct hdmi_hdcp_ctrl *msm_hdmi_hdcp_init(struct hdmi *hdmi); |
| void msm_hdmi_hdcp_destroy(struct hdmi *hdmi); |
| void msm_hdmi_hdcp_on(struct hdmi_hdcp_ctrl *hdcp_ctrl); |
| void msm_hdmi_hdcp_off(struct hdmi_hdcp_ctrl *hdcp_ctrl); |
| void msm_hdmi_hdcp_irq(struct hdmi_hdcp_ctrl *hdcp_ctrl); |
| |
| #endif /* __HDMI_CONNECTOR_H__ */ |