2 * Copyright (C) 2013 Red Hat
3 * Author: Rob Clark <robdclark@gmail.com>
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.
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
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/>.
18 #ifndef __HDMI_CONNECTOR_H__
19 #define __HDMI_CONNECTOR_H__
21 #include <linux/i2c.h>
22 #include <linux/clk.h>
23 #include <linux/platform_device.h>
24 #include <linux/regulator/consumer.h>
25 #include <linux/hdmi.h>
30 #define HDMI_MAX_NUM_GPIO 6
33 struct hdmi_platform_config;
35 struct hdmi_gpio_data {
44 struct hdmi_audio_infoframe infoframe;
48 struct hdmi_hdcp_ctrl;
51 struct drm_device *dev;
52 struct platform_device *pdev;
54 const struct hdmi_platform_config *config;
57 struct hdmi_audio audio;
61 unsigned long int pixclock;
64 void __iomem *qfprom_mmio;
65 phys_addr_t mmio_phy_addr;
67 struct regulator **hpd_regs;
68 struct regulator **pwr_regs;
69 struct clk **hpd_clks;
70 struct clk **pwr_clks;
73 struct device *phy_dev;
75 struct i2c_adapter *i2c;
76 struct drm_connector *connector;
77 struct drm_bridge *bridge;
79 /* the encoder we are hooked to (outside of hdmi block) */
80 struct drm_encoder *encoder;
82 bool hdmi_mode; /* are we in hdmi mode? */
85 struct workqueue_struct *workq;
87 struct hdmi_hdcp_ctrl *hdcp_ctrl;
90 * spinlock to protect registers shared by different execution
92 * REG_HDMI_DDC_ARBITRATION
93 * REG_HDMI_HDCP_INT_CTRL
99 /* platform config data (ie. from DT, or pdata) */
100 struct hdmi_platform_config {
101 const char *mmio_name;
102 const char *qfprom_mmio_name;
104 /* regulators that need to be on for hpd: */
105 const char **hpd_reg_names;
108 /* regulators that need to be on for screen pwr: */
109 const char **pwr_reg_names;
112 /* clks that need to be on for hpd: */
113 const char **hpd_clk_names;
114 const long unsigned *hpd_freq;
117 /* clks that need to be on for screen pwr (ie pixel clk): */
118 const char **pwr_clk_names;
122 struct hdmi_gpio_data gpios[HDMI_MAX_NUM_GPIO];
125 void hdmi_set_mode(struct hdmi *hdmi, bool power_on);
127 static inline void hdmi_write(struct hdmi *hdmi, u32 reg, u32 data)
129 msm_writel(data, hdmi->mmio + reg);
132 static inline u32 hdmi_read(struct hdmi *hdmi, u32 reg)
134 return msm_readl(hdmi->mmio + reg);
137 static inline u32 hdmi_qfprom_read(struct hdmi *hdmi, u32 reg)
139 return msm_readl(hdmi->qfprom_mmio + reg);
154 struct hdmi_phy_cfg {
155 enum hdmi_phy_type type;
156 void (*powerup)(struct hdmi_phy *phy, unsigned long int pixclock);
157 void (*powerdown)(struct hdmi_phy *phy);
158 const char * const *reg_names;
160 const char * const *clk_names;
164 extern const struct hdmi_phy_cfg hdmi_phy_8x60_cfg;
165 extern const struct hdmi_phy_cfg hdmi_phy_8960_cfg;
166 extern const struct hdmi_phy_cfg hdmi_phy_8x74_cfg;
167 extern const struct hdmi_phy_cfg hdmi_phy_8996_cfg;
170 struct platform_device *pdev;
172 struct hdmi_phy_cfg *cfg;
173 const struct hdmi_phy_funcs *funcs;
174 struct regulator **regs;
178 static inline void hdmi_phy_write(struct hdmi_phy *phy, u32 reg, u32 data)
180 msm_writel(data, phy->mmio + reg);
183 static inline u32 hdmi_phy_read(struct hdmi_phy *phy, u32 reg)
185 return msm_readl(phy->mmio + reg);
188 int hdmi_phy_resource_enable(struct hdmi_phy *phy);
189 void hdmi_phy_resource_disable(struct hdmi_phy *phy);
190 void hdmi_phy_powerup(struct hdmi_phy *phy, unsigned long int pixclock);
191 void hdmi_phy_powerdown(struct hdmi_phy *phy);
192 void __init hdmi_phy_driver_register(void);
193 void __exit hdmi_phy_driver_unregister(void);
195 #ifdef CONFIG_COMMON_CLK
196 int hdmi_pll_8960_init(struct platform_device *pdev);
197 int hdmi_pll_8996_init(struct platform_device *pdev);
199 int hdmi_pll_8960_init(struct platform_device *pdev);
204 int hdmi_pll_8996_init(struct platform_device *pdev)
214 int hdmi_audio_update(struct hdmi *hdmi);
215 int hdmi_audio_info_setup(struct hdmi *hdmi, bool enabled,
216 uint32_t num_of_channels, uint32_t channel_allocation,
217 uint32_t level_shift, bool down_mix);
218 void hdmi_audio_set_sample_rate(struct hdmi *hdmi, int rate);
225 struct drm_bridge *hdmi_bridge_init(struct hdmi *hdmi);
226 void hdmi_bridge_destroy(struct drm_bridge *bridge);
232 void hdmi_connector_irq(struct drm_connector *connector);
233 struct drm_connector *hdmi_connector_init(struct hdmi *hdmi);
236 * i2c adapter for ddc:
239 void hdmi_i2c_irq(struct i2c_adapter *i2c);
240 void hdmi_i2c_destroy(struct i2c_adapter *i2c);
241 struct i2c_adapter *hdmi_i2c_init(struct hdmi *hdmi);
246 struct hdmi_hdcp_ctrl *hdmi_hdcp_init(struct hdmi *hdmi);
247 void hdmi_hdcp_destroy(struct hdmi *hdmi);
248 void hdmi_hdcp_on(struct hdmi_hdcp_ctrl *hdcp_ctrl);
249 void hdmi_hdcp_off(struct hdmi_hdcp_ctrl *hdcp_ctrl);
250 void hdmi_hdcp_irq(struct hdmi_hdcp_ctrl *hdcp_ctrl);
252 #endif /* __HDMI_CONNECTOR_H__ */