mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-26 14:14:01 +08:00
f14270161a
This patch adds support to generic audio codec via
ASoC hdmi-codec infrastucture which is merged recently.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
[rebased on efc9194]
Signed-off-by: Rob Clark <robdclark@gmail.com>
278 lines
6.7 KiB
C
278 lines
6.7 KiB
C
/*
|
|
* 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;
|
|
struct platform_device *audio_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:
|
|
*/
|
|
/* Supported HDMI Audio channels and rates */
|
|
#define MSM_HDMI_AUDIO_CHANNEL_2 0
|
|
#define MSM_HDMI_AUDIO_CHANNEL_4 1
|
|
#define MSM_HDMI_AUDIO_CHANNEL_6 2
|
|
#define MSM_HDMI_AUDIO_CHANNEL_8 3
|
|
|
|
#define HDMI_SAMPLE_RATE_32KHZ 0
|
|
#define HDMI_SAMPLE_RATE_44_1KHZ 1
|
|
#define HDMI_SAMPLE_RATE_48KHZ 2
|
|
#define HDMI_SAMPLE_RATE_88_2KHZ 3
|
|
#define HDMI_SAMPLE_RATE_96KHZ 4
|
|
#define HDMI_SAMPLE_RATE_176_4KHZ 5
|
|
#define HDMI_SAMPLE_RATE_192KHZ 6
|
|
|
|
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
|
|
*/
|
|
#ifdef CONFIG_DRM_MSM_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);
|
|
#else
|
|
static inline struct hdmi_hdcp_ctrl *msm_hdmi_hdcp_init(struct hdmi *hdmi)
|
|
{
|
|
return ERR_PTR(-ENXIO);
|
|
}
|
|
static inline void msm_hdmi_hdcp_destroy(struct hdmi *hdmi) {}
|
|
static inline void msm_hdmi_hdcp_on(struct hdmi_hdcp_ctrl *hdcp_ctrl) {}
|
|
static inline void msm_hdmi_hdcp_off(struct hdmi_hdcp_ctrl *hdcp_ctrl) {}
|
|
static inline void msm_hdmi_hdcp_irq(struct hdmi_hdcp_ctrl *hdcp_ctrl) {}
|
|
#endif
|
|
|
|
#endif /* __HDMI_CONNECTOR_H__ */
|