Add drivers for HDMI outputs on Samsung platforms from S5P family. - HDMIPHY - auxiliary I2C driver need by HDMI driver - HDMI - generation and control of streaming by HDMI output Drivers are using: - v4l2 framework - runtime PM Signed-off-by: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> Reviewed-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Reviewed-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> Reviewed-by: Hans Verkuil <hverkuil@xxxxxxxxx> --- drivers/media/video/Kconfig | 2 + drivers/media/video/Makefile | 1 + drivers/media/video/s5p-tv/Kconfig | 49 ++ drivers/media/video/s5p-tv/Makefile | 13 + drivers/media/video/s5p-tv/hdmi_drv.c | 1043 ++++++++++++++++++++++++++++++ drivers/media/video/s5p-tv/hdmiphy_drv.c | 196 ++++++ drivers/media/video/s5p-tv/regs-hdmi.h | 141 ++++ 7 files changed, 1445 insertions(+), 0 deletions(-) create mode 100644 drivers/media/video/s5p-tv/Kconfig create mode 100644 drivers/media/video/s5p-tv/Makefile create mode 100644 drivers/media/video/s5p-tv/hdmi_drv.c create mode 100644 drivers/media/video/s5p-tv/hdmiphy_drv.c create mode 100644 drivers/media/video/s5p-tv/regs-hdmi.h diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 4847c2c..97a563f 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -954,6 +954,8 @@ config VIDEO_S5P_MIPI_CSIS To compile this driver as a module, choose M here: the module will be called s5p-csis. +source "drivers/media/video/s5p-tv/Kconfig" + # # USB Multimedia device configuration # diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 89478f0..13c1082e 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -169,6 +169,7 @@ obj-$(CONFIG_VIDEO_SH_MOBILE_CEU) += sh_mobile_ceu_camera.o obj-$(CONFIG_VIDEO_OMAP1) += omap1_camera.o obj-$(CONFIG_VIDEO_SAMSUNG_S5P_FIMC) += s5p-fimc/ +obj-$(CONFIG_VIDEO_SAMSUNG_S5P_TV) += s5p-tv/ obj-$(CONFIG_ARCH_DAVINCI) += davinci/ diff --git a/drivers/media/video/s5p-tv/Kconfig b/drivers/media/video/s5p-tv/Kconfig new file mode 100644 index 0000000..893be5b --- /dev/null +++ b/drivers/media/video/s5p-tv/Kconfig @@ -0,0 +1,49 @@ +# drivers/media/video/s5p-tv/Kconfig +# +# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. +# http://www.samsung.com/ +# Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx> +# +# Licensed under GPL + +config VIDEO_SAMSUNG_S5P_TV + bool "Samsung TV driver for S5P platform (experimental)" + depends on PLAT_S5P + depends on EXPERIMENTAL + default n + ---help--- + Say Y here to enable selecting the TV output devices for + Samsung S5P platform. + +if VIDEO_SAMSUNG_S5P_TV + +config VIDEO_SAMSUNG_S5P_HDMI + tristate "Samsung HDMI Driver" + depends on VIDEO_V4L2 + depends on VIDEO_SAMSUNG_S5P_TV + select VIDEO_SAMSUNG_S5P_HDMIPHY + help + Say Y here if you want support for the HDMI output + interface in S5P Samsung SoC. The driver can be compiled + as module. It is an auxiliary driver, that exposes a V4L2 + subdev for use by other drivers. This driver requires + hdmiphy driver to work correctly. + +config VIDEO_SAMSUNG_S5P_HDMI_DEBUG + bool "Enable debug for HDMI Driver" + depends on VIDEO_SAMSUNG_S5P_HDMI + default n + help + Enables debugging for HDMI driver. + +config VIDEO_SAMSUNG_S5P_HDMIPHY + tristate "Samsung HDMIPHY Driver" + depends on VIDEO_DEV && VIDEO_V4L2 && I2C + depends on VIDEO_SAMSUNG_S5P_TV + help + Say Y here if you want support for the physical HDMI + interface in S5P Samsung SoC. The driver can be compiled + as module. It is an I2C driver, that exposes a V4L2 + subdev for use by other drivers. + +endif # VIDEO_SAMSUNG_S5P_TV diff --git a/drivers/media/video/s5p-tv/Makefile b/drivers/media/video/s5p-tv/Makefile new file mode 100644 index 0000000..1b07132 --- /dev/null +++ b/drivers/media/video/s5p-tv/Makefile @@ -0,0 +1,13 @@ +# drivers/media/video/samsung/tvout/Makefile +# +# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. +# http://www.samsung.com/ +# Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx> +# +# Licensed under GPL + +obj-$(CONFIG_VIDEO_SAMSUNG_S5P_HDMIPHY) += s5p-hdmiphy.o +s5p-hdmiphy-y += hdmiphy_drv.o +obj-$(CONFIG_VIDEO_SAMSUNG_S5P_HDMI) += s5p-hdmi.o +s5p-hdmi-y += hdmi_drv.o + diff --git a/drivers/media/video/s5p-tv/hdmi_drv.c b/drivers/media/video/s5p-tv/hdmi_drv.c new file mode 100644 index 0000000..e40dd4d --- /dev/null +++ b/drivers/media/video/s5p-tv/hdmi_drv.c @@ -0,0 +1,1043 @@ +/* + * Samsung HDMI interface driver + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * + * Tomasz Stanislawski, <t.stanislaws@xxxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundiation. either version 2 of the License, + * or (at your option) any later version + */ + +#ifdef CONFIG_VIDEO_SAMSUNG_S5P_HDMI_DEBUG +#define DEBUG +#endif + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> +#include <media/v4l2-subdev.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/delay.h> +#include <linux/bug.h> +#include <linux/pm_runtime.h> +#include <linux/clk.h> +#include <linux/regulator/consumer.h> + +#include <media/v4l2-common.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> + +#include "regs-hdmi.h" + +MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@xxxxxxxxxxx>"); +MODULE_DESCRIPTION("Samsung HDMI"); +MODULE_LICENSE("GPL"); + +/* default preset configured on probe */ +#define HDMI_DEFAULT_PRESET V4L2_DV_1080P60 + +struct hdmi_resources { + struct clk *hdmi; + struct clk *sclk_hdmi; + struct clk *sclk_pixel; + struct clk *sclk_hdmiphy; + struct clk *hdmiphy; + struct regulator_bulk_data *regul_bulk; + int regul_count; +}; + +struct hdmi_device { + /** base address of HDMI registers */ + void __iomem *regs; + /** HDMI interrupt */ + unsigned int irq; + /** pointer to device parent */ + struct device *dev; + /** subdev generated by HDMI device */ + struct v4l2_subdev sd; + /** V4L2 device structure */ + struct v4l2_device v4l2_dev; + /** subdev of HDMIPHY interface */ + struct v4l2_subdev *phy_sd; + /** configuration of current graphic mode */ + const struct hdmi_preset_conf *cur_conf; + /** current preset */ + u32 cur_preset; + /** other resources */ + struct hdmi_resources res; +}; + +struct hdmi_driver_data { + int hdmiphy_bus; +}; + +struct hdmi_tg_regs { + u8 cmd; + u8 h_fsz_l; + u8 h_fsz_h; + u8 hact_st_l; + u8 hact_st_h; + u8 hact_sz_l; + u8 hact_sz_h; + u8 v_fsz_l; + u8 v_fsz_h; + u8 vsync_l; + u8 vsync_h; + u8 vsync2_l; + u8 vsync2_h; + u8 vact_st_l; + u8 vact_st_h; + u8 vact_sz_l; + u8 vact_sz_h; + u8 field_chg_l; + u8 field_chg_h; + u8 vact_st2_l; + u8 vact_st2_h; + u8 vsync_top_hdmi_l; + u8 vsync_top_hdmi_h; + u8 vsync_bot_hdmi_l; + u8 vsync_bot_hdmi_h; + u8 field_top_hdmi_l; + u8 field_top_hdmi_h; + u8 field_bot_hdmi_l; + u8 field_bot_hdmi_h; +}; + +struct hdmi_core_regs { + u8 h_blank[2]; + u8 v_blank[3]; + u8 h_v_line[3]; + u8 vsync_pol[1]; + u8 int_pro_mode[1]; + u8 v_blank_f[3]; + u8 h_sync_gen[3]; + u8 v_sync_gen1[3]; + u8 v_sync_gen2[3]; + u8 v_sync_gen3[3]; +}; + +struct hdmi_preset_conf { + struct hdmi_core_regs core; + struct hdmi_tg_regs tg; + struct v4l2_mbus_framefmt mbus_fmt; +}; + +/* I2C module and id for HDMIPHY */ +static struct i2c_board_info hdmiphy_info = { + I2C_BOARD_INFO("hdmiphy", 0x38), +}; + +static struct hdmi_driver_data hdmi_driver_data[] = { + { .hdmiphy_bus = 3 }, + { .hdmiphy_bus = 8 }, +}; + +static struct platform_device_id hdmi_driver_types[] = { + { + .name = "s5pv210-hdmi", + .driver_data = (unsigned long)&hdmi_driver_data[0], + }, { + .name = "exynos4-hdmi", + .driver_data = (unsigned long)&hdmi_driver_data[1], + }, { + /* end node */ + } +}; + +static const struct v4l2_subdev_ops hdmi_sd_ops; + +static struct hdmi_device *sd_to_hdmi_dev(struct v4l2_subdev *sd) +{ + return container_of(sd, struct hdmi_device, sd); +} + +static inline +void hdmi_write(struct hdmi_device *hdev, u32 reg_id, u32 value) +{ + writel(value, hdev->regs + reg_id); +} + +static inline +void hdmi_write_mask(struct hdmi_device *hdev, u32 reg_id, u32 value, u32 mask) +{ + u32 old = readl(hdev->regs + reg_id); + value = (value & mask) | (old & ~mask); + writel(value, hdev->regs + reg_id); +} + +static inline +void hdmi_writeb(struct hdmi_device *hdev, u32 reg_id, u8 value) +{ + writeb(value, hdev->regs + reg_id); +} + +static inline u32 hdmi_read(struct hdmi_device *hdev, u32 reg_id) +{ + return readl(hdev->regs + reg_id); +} + +static irqreturn_t hdmi_irq_handler(int irq, void *dev_data) +{ + struct hdmi_device *hdev = dev_data; + u32 intc_flag; + + (void)irq; + intc_flag = hdmi_read(hdev, HDMI_INTC_FLAG); + /* clearing flags for HPD plug/unplug */ + if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) { + printk(KERN_INFO "unplugged\n"); + hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0, + HDMI_INTC_FLAG_HPD_UNPLUG); + } + if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) { + printk(KERN_INFO "plugged\n"); + hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0, + HDMI_INTC_FLAG_HPD_PLUG); + } + + return IRQ_HANDLED; +} + +static void hdmi_reg_init(struct hdmi_device *hdev) +{ + /* enable HPD interrupts */ + hdmi_write_mask(hdev, HDMI_INTC_CON, ~0, HDMI_INTC_EN_GLOBAL | + HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); + /* choose HDMI mode */ + hdmi_write_mask(hdev, HDMI_MODE_SEL, + HDMI_MODE_HDMI_EN, HDMI_MODE_MASK); + /* disable bluescreen */ + hdmi_write_mask(hdev, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN); + /* choose bluescreen (fecal) color */ + hdmi_writeb(hdev, HDMI_BLUE_SCREEN_0, 0x12); + hdmi_writeb(hdev, HDMI_BLUE_SCREEN_1, 0x34); + hdmi_writeb(hdev, HDMI_BLUE_SCREEN_2, 0x56); + /* enable AVI packet every vsync, fixes purple line problem */ + hdmi_writeb(hdev, HDMI_AVI_CON, 0x02); + /* force YUV444, look to CEA-861-D, table 7 for more detail */ + hdmi_writeb(hdev, HDMI_AVI_BYTE(0), 2 << 5); + hdmi_write_mask(hdev, HDMI_CON_1, 2, 3 << 5); +} + +static void hdmi_timing_apply(struct hdmi_device *hdev, + const struct hdmi_preset_conf *conf) +{ + const struct hdmi_core_regs *core = &conf->core; + const struct hdmi_tg_regs *tg = &conf->tg; + + /* setting core registers */ + hdmi_writeb(hdev, HDMI_H_BLANK_0, core->h_blank[0]); + hdmi_writeb(hdev, HDMI_H_BLANK_1, core->h_blank[1]); + hdmi_writeb(hdev, HDMI_V_BLANK_0, core->v_blank[0]); + hdmi_writeb(hdev, HDMI_V_BLANK_1, core->v_blank[1]); + hdmi_writeb(hdev, HDMI_V_BLANK_2, core->v_blank[2]); + hdmi_writeb(hdev, HDMI_H_V_LINE_0, core->h_v_line[0]); + hdmi_writeb(hdev, HDMI_H_V_LINE_1, core->h_v_line[1]); + hdmi_writeb(hdev, HDMI_H_V_LINE_2, core->h_v_line[2]); + hdmi_writeb(hdev, HDMI_VSYNC_POL, core->vsync_pol[0]); + hdmi_writeb(hdev, HDMI_INT_PRO_MODE, core->int_pro_mode[0]); + hdmi_writeb(hdev, HDMI_V_BLANK_F_0, core->v_blank_f[0]); + hdmi_writeb(hdev, HDMI_V_BLANK_F_1, core->v_blank_f[1]); + hdmi_writeb(hdev, HDMI_V_BLANK_F_2, core->v_blank_f[2]); + hdmi_writeb(hdev, HDMI_H_SYNC_GEN_0, core->h_sync_gen[0]); + hdmi_writeb(hdev, HDMI_H_SYNC_GEN_1, core->h_sync_gen[1]); + hdmi_writeb(hdev, HDMI_H_SYNC_GEN_2, core->h_sync_gen[2]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_1_0, core->v_sync_gen1[0]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_1_1, core->v_sync_gen1[1]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_1_2, core->v_sync_gen1[2]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_2_0, core->v_sync_gen2[0]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_2_1, core->v_sync_gen2[1]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_2_2, core->v_sync_gen2[2]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_3_0, core->v_sync_gen3[0]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_3_1, core->v_sync_gen3[1]); + hdmi_writeb(hdev, HDMI_V_SYNC_GEN_3_2, core->v_sync_gen3[2]); + /* Timing generator registers */ + hdmi_writeb(hdev, HDMI_TG_H_FSZ_L, tg->h_fsz_l); + hdmi_writeb(hdev, HDMI_TG_H_FSZ_H, tg->h_fsz_h); + hdmi_writeb(hdev, HDMI_TG_HACT_ST_L, tg->hact_st_l); + hdmi_writeb(hdev, HDMI_TG_HACT_ST_H, tg->hact_st_h); + hdmi_writeb(hdev, HDMI_TG_HACT_SZ_L, tg->hact_sz_l); + hdmi_writeb(hdev, HDMI_TG_HACT_SZ_H, tg->hact_sz_h); + hdmi_writeb(hdev, HDMI_TG_V_FSZ_L, tg->v_fsz_l); + hdmi_writeb(hdev, HDMI_TG_V_FSZ_H, tg->v_fsz_h); + hdmi_writeb(hdev, HDMI_TG_VSYNC_L, tg->vsync_l); + hdmi_writeb(hdev, HDMI_TG_VSYNC_H, tg->vsync_h); + hdmi_writeb(hdev, HDMI_TG_VSYNC2_L, tg->vsync2_l); + hdmi_writeb(hdev, HDMI_TG_VSYNC2_H, tg->vsync2_h); + hdmi_writeb(hdev, HDMI_TG_VACT_ST_L, tg->vact_st_l); + hdmi_writeb(hdev, HDMI_TG_VACT_ST_H, tg->vact_st_h); + hdmi_writeb(hdev, HDMI_TG_VACT_SZ_L, tg->vact_sz_l); + hdmi_writeb(hdev, HDMI_TG_VACT_SZ_H, tg->vact_sz_h); + hdmi_writeb(hdev, HDMI_TG_FIELD_CHG_L, tg->field_chg_l); + hdmi_writeb(hdev, HDMI_TG_FIELD_CHG_H, tg->field_chg_h); + hdmi_writeb(hdev, HDMI_TG_VACT_ST2_L, tg->vact_st2_l); + hdmi_writeb(hdev, HDMI_TG_VACT_ST2_H, tg->vact_st2_h); + hdmi_writeb(hdev, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi_l); + hdmi_writeb(hdev, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi_h); + hdmi_writeb(hdev, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi_l); + hdmi_writeb(hdev, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi_h); + hdmi_writeb(hdev, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi_l); + hdmi_writeb(hdev, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi_h); + hdmi_writeb(hdev, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi_l); + hdmi_writeb(hdev, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi_h); +} + +static int hdmi_conf_apply(struct hdmi_device *hdmi_dev) +{ + struct device *dev = hdmi_dev->dev; + const struct hdmi_preset_conf *conf = hdmi_dev->cur_conf; + struct v4l2_dv_preset preset; + int ret; + + dev_dbg(dev, "%s\n", __func__); + + /* reset hdmiphy */ + hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT); + mdelay(10); + hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT); + mdelay(10); + + /* configure presets */ + preset.preset = hdmi_dev->cur_preset; + ret = v4l2_subdev_call(hdmi_dev->phy_sd, video, s_dv_preset, &preset); + if (ret) { + dev_err(dev, "failed to set preset (%u)\n", preset.preset); + return ret; + } + + /* resetting HDMI core */ + hdmi_write_mask(hdmi_dev, HDMI_CORE_RSTOUT, 0, HDMI_CORE_SW_RSTOUT); + mdelay(10); + hdmi_write_mask(hdmi_dev, HDMI_CORE_RSTOUT, ~0, HDMI_CORE_SW_RSTOUT); + mdelay(10); + + hdmi_reg_init(hdmi_dev); + + /* setting core registers */ + hdmi_timing_apply(hdmi_dev, conf); + + return 0; +} + +static void hdmi_dumpregs(struct hdmi_device *hdev, char *prefix) +{ +#define DUMPREG(reg_id) \ + dev_dbg(hdev->dev, "%s:" #reg_id " = %08x\n", prefix, \ + readl(hdev->regs + reg_id)) + + dev_dbg(hdev->dev, "%s: ---- CONTROL REGISTERS ----\n", prefix); + DUMPREG(HDMI_INTC_FLAG); + DUMPREG(HDMI_INTC_CON); + DUMPREG(HDMI_HPD_STATUS); + DUMPREG(HDMI_PHY_RSTOUT); + DUMPREG(HDMI_PHY_VPLL); + DUMPREG(HDMI_PHY_CMU); + DUMPREG(HDMI_CORE_RSTOUT); + + dev_dbg(hdev->dev, "%s: ---- CORE REGISTERS ----\n", prefix); + DUMPREG(HDMI_CON_0); + DUMPREG(HDMI_CON_1); + DUMPREG(HDMI_CON_2); + DUMPREG(HDMI_SYS_STATUS); + DUMPREG(HDMI_PHY_STATUS); + DUMPREG(HDMI_STATUS_EN); + DUMPREG(HDMI_HPD); + DUMPREG(HDMI_MODE_SEL); + DUMPREG(HDMI_HPD_GEN); + DUMPREG(HDMI_DC_CONTROL); + DUMPREG(HDMI_VIDEO_PATTERN_GEN); + + dev_dbg(hdev->dev, "%s: ---- CORE SYNC REGISTERS ----\n", prefix); + DUMPREG(HDMI_H_BLANK_0); + DUMPREG(HDMI_H_BLANK_1); + DUMPREG(HDMI_V_BLANK_0); + DUMPREG(HDMI_V_BLANK_1); + DUMPREG(HDMI_V_BLANK_2); + DUMPREG(HDMI_H_V_LINE_0); + DUMPREG(HDMI_H_V_LINE_1); + DUMPREG(HDMI_H_V_LINE_2); + DUMPREG(HDMI_VSYNC_POL); + DUMPREG(HDMI_INT_PRO_MODE); + DUMPREG(HDMI_V_BLANK_F_0); + DUMPREG(HDMI_V_BLANK_F_1); + DUMPREG(HDMI_V_BLANK_F_2); + DUMPREG(HDMI_H_SYNC_GEN_0); + DUMPREG(HDMI_H_SYNC_GEN_1); + DUMPREG(HDMI_H_SYNC_GEN_2); + DUMPREG(HDMI_V_SYNC_GEN_1_0); + DUMPREG(HDMI_V_SYNC_GEN_1_1); + DUMPREG(HDMI_V_SYNC_GEN_1_2); + DUMPREG(HDMI_V_SYNC_GEN_2_0); + DUMPREG(HDMI_V_SYNC_GEN_2_1); + DUMPREG(HDMI_V_SYNC_GEN_2_2); + DUMPREG(HDMI_V_SYNC_GEN_3_0); + DUMPREG(HDMI_V_SYNC_GEN_3_1); + DUMPREG(HDMI_V_SYNC_GEN_3_2); + + dev_dbg(hdev->dev, "%s: ---- TG REGISTERS ----\n", prefix); + DUMPREG(HDMI_TG_CMD); + DUMPREG(HDMI_TG_H_FSZ_L); + DUMPREG(HDMI_TG_H_FSZ_H); + DUMPREG(HDMI_TG_HACT_ST_L); + DUMPREG(HDMI_TG_HACT_ST_H); + DUMPREG(HDMI_TG_HACT_SZ_L); + DUMPREG(HDMI_TG_HACT_SZ_H); + DUMPREG(HDMI_TG_V_FSZ_L); + DUMPREG(HDMI_TG_V_FSZ_H); + DUMPREG(HDMI_TG_VSYNC_L); + DUMPREG(HDMI_TG_VSYNC_H); + DUMPREG(HDMI_TG_VSYNC2_L); + DUMPREG(HDMI_TG_VSYNC2_H); + DUMPREG(HDMI_TG_VACT_ST_L); + DUMPREG(HDMI_TG_VACT_ST_H); + DUMPREG(HDMI_TG_VACT_SZ_L); + DUMPREG(HDMI_TG_VACT_SZ_H); + DUMPREG(HDMI_TG_FIELD_CHG_L); + DUMPREG(HDMI_TG_FIELD_CHG_H); + DUMPREG(HDMI_TG_VACT_ST2_L); + DUMPREG(HDMI_TG_VACT_ST2_H); + DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L); + DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H); + DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L); + DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H); + DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L); + DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H); + DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L); + DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H); +#undef DUMPREG +} + +static const struct hdmi_preset_conf hdmi_conf_480p = { + .core = { + .h_blank = {0x8a, 0x00}, + .v_blank = {0x0d, 0x6a, 0x01}, + .h_v_line = {0x0d, 0xa2, 0x35}, + .vsync_pol = {0x01}, + .int_pro_mode = {0x00}, + .v_blank_f = {0x00, 0x00, 0x00}, + .h_sync_gen = {0x0e, 0x30, 0x11}, + .v_sync_gen1 = {0x0f, 0x90, 0x00}, + /* other don't care */ + }, + .tg = { + 0x00, /* cmd */ + 0x5a, 0x03, /* h_fsz */ + 0x8a, 0x00, 0xd0, 0x02, /* hact */ + 0x0d, 0x02, /* v_fsz */ + 0x01, 0x00, 0x33, 0x02, /* vsync */ + 0x2d, 0x00, 0xe0, 0x01, /* vact */ + 0x33, 0x02, /* field_chg */ + 0x49, 0x02, /* vact_st2 */ + 0x01, 0x00, 0x33, 0x02, /* vsync top/bot */ + 0x01, 0x00, 0x33, 0x02, /* field top/bot */ + }, + .mbus_fmt = { + .width = 720, + .height = 480, + .code = V4L2_MBUS_FMT_FIXED, /* means RGB888 */ + .field = V4L2_FIELD_NONE, + }, +}; + +static const struct hdmi_preset_conf hdmi_conf_720p60 = { + .core = { + .h_blank = {0x72, 0x01}, + .v_blank = {0xee, 0xf2, 0x00}, + .h_v_line = {0xee, 0x22, 0x67}, + .vsync_pol = {0x00}, + .int_pro_mode = {0x00}, + .v_blank_f = {0x00, 0x00, 0x00}, /* don't care */ + .h_sync_gen = {0x6c, 0x50, 0x02}, + .v_sync_gen1 = {0x0a, 0x50, 0x00}, + /* other don't care */ + }, + .tg = { + 0x00, /* cmd */ + 0x72, 0x06, /* h_fsz */ + 0x72, 0x01, 0x00, 0x05, /* hact */ + 0xee, 0x02, /* v_fsz */ + 0x01, 0x00, 0x33, 0x02, /* vsync */ + 0x1e, 0x00, 0xd0, 0x02, /* vact */ + 0x33, 0x02, /* field_chg */ + 0x49, 0x02, /* vact_st2 */ + 0x01, 0x00, 0x33, 0x02, /* vsync top/bot */ + 0x01, 0x00, 0x33, 0x02, /* field top/bot */ + }, + .mbus_fmt = { + .width = 1280, + .height = 720, + .code = V4L2_MBUS_FMT_FIXED, /* means RGB888 */ + .field = V4L2_FIELD_NONE, + }, +}; + +static const struct hdmi_preset_conf hdmi_conf_1080p50 = { + .core = { + .h_blank = {0xd0, 0x02}, + .v_blank = {0x65, 0x6c, 0x01}, + .h_v_line = {0x65, 0x04, 0xa5}, + .vsync_pol = {0x00}, + .int_pro_mode = {0x00}, + .v_blank_f = {0x00, 0x00, 0x00}, /* don't care */ + .h_sync_gen = {0x0e, 0xea, 0x08}, + .v_sync_gen1 = {0x09, 0x40, 0x00}, + /* other don't care */ + }, + .tg = { + 0x00, /* cmd */ + 0x98, 0x08, /* h_fsz */ + 0x18, 0x01, 0x80, 0x07, /* hact */ + 0x65, 0x04, /* v_fsz */ + 0x01, 0x00, 0x33, 0x02, /* vsync */ + 0x2d, 0x00, 0x38, 0x04, /* vact */ + 0x33, 0x02, /* field_chg */ + 0x49, 0x02, /* vact_st2 */ + 0x01, 0x00, 0x33, 0x02, /* vsync top/bot */ + 0x01, 0x00, 0x33, 0x02, /* field top/bot */ + }, + .mbus_fmt = { + .width = 1920, + .height = 1080, + .code = V4L2_MBUS_FMT_FIXED, /* means RGB888 */ + .field = V4L2_FIELD_NONE, + }, +}; + +static const struct hdmi_preset_conf hdmi_conf_1080p60 = { + .core = { + .h_blank = {0x18, 0x01}, + .v_blank = {0x65, 0x6c, 0x01}, + .h_v_line = {0x65, 0x84, 0x89}, + .vsync_pol = {0x00}, + .int_pro_mode = {0x00}, + .v_blank_f = {0x00, 0x00, 0x00}, /* don't care */ + .h_sync_gen = {0x56, 0x08, 0x02}, + .v_sync_gen1 = {0x09, 0x40, 0x00}, + /* other don't care */ + }, + .tg = { + 0x00, /* cmd */ + 0x98, 0x08, /* h_fsz */ + 0x18, 0x01, 0x80, 0x07, /* hact */ + 0x65, 0x04, /* v_fsz */ + 0x01, 0x00, 0x33, 0x02, /* vsync */ + 0x2d, 0x00, 0x38, 0x04, /* vact */ + 0x33, 0x02, /* field_chg */ + 0x48, 0x02, /* vact_st2 */ + 0x01, 0x00, 0x01, 0x00, /* vsync top/bot */ + 0x01, 0x00, 0x33, 0x02, /* field top/bot */ + }, + .mbus_fmt = { + .width = 1920, + .height = 1080, + .code = V4L2_MBUS_FMT_FIXED, /* means RGB888 */ + .field = V4L2_FIELD_NONE, + }, +}; + +static const struct { + u32 preset; + const struct hdmi_preset_conf *conf; +} hdmi_conf[] = { + { V4L2_DV_480P59_94, &hdmi_conf_480p }, + { V4L2_DV_720P59_94, &hdmi_conf_720p60 }, + { V4L2_DV_1080P50, &hdmi_conf_1080p50 }, + { V4L2_DV_1080P30, &hdmi_conf_1080p60 }, + { V4L2_DV_1080P60, &hdmi_conf_1080p60 }, + { V4L2_DV_1080P59_94, &hdmi_conf_1080p60 }, +}; + +static const struct hdmi_preset_conf *hdmi_preset2conf(u32 preset) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(hdmi_conf); ++i) + if (hdmi_conf[i].preset == preset) + return hdmi_conf[i].conf; + return NULL; +} + +static int hdmi_streamon(struct hdmi_device *hdev) +{ + struct device *dev = hdev->dev; + struct hdmi_resources *res = &hdev->res; + int ret, tries; + + dev_dbg(dev, "%s\n", __func__); + + ret = v4l2_subdev_call(hdev->phy_sd, video, s_stream, 1); + if (ret) + return ret; + + /* waiting for HDMIPHY's PLL to get to steady state */ + for (tries = 100; tries; --tries) { + u32 val = hdmi_read(hdev, HDMI_PHY_STATUS); + if (val & HDMI_PHY_STATUS_READY) + break; + mdelay(1); + } + /* steady state not achieved */ + if (tries == 0) { + dev_err(dev, "hdmiphy's pll could not reach steady state.\n"); + v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0); + hdmi_dumpregs(hdev, "s_stream"); + return -EIO; + } + + /* hdmiphy clock is used for HDMI in streaming mode */ + clk_disable(res->sclk_hdmi); + clk_set_parent(res->sclk_hdmi, res->sclk_hdmiphy); + clk_enable(res->sclk_hdmi); + + /* enable HDMI and timing generator */ + hdmi_write_mask(hdev, HDMI_CON_0, ~0, HDMI_EN); + hdmi_write_mask(hdev, HDMI_TG_CMD, ~0, HDMI_TG_EN); + hdmi_dumpregs(hdev, "streamon"); + return 0; +} + +static int hdmi_streamoff(struct hdmi_device *hdev) +{ + struct device *dev = hdev->dev; + struct hdmi_resources *res = &hdev->res; + + dev_dbg(dev, "%s\n", __func__); + + hdmi_write_mask(hdev, HDMI_CON_0, 0, HDMI_EN); + hdmi_write_mask(hdev, HDMI_TG_CMD, 0, HDMI_TG_EN); + + /* pixel(vpll) clock is used for HDMI in config mode */ + clk_disable(res->sclk_hdmi); + clk_set_parent(res->sclk_hdmi, res->sclk_pixel); + clk_enable(res->sclk_hdmi); + + v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0); + + hdmi_dumpregs(hdev, "streamoff"); + return 0; +} + +static int hdmi_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct hdmi_device *hdev = sd_to_hdmi_dev(sd); + struct device *dev = hdev->dev; + + dev_dbg(dev, "%s(%d)\n", __func__, enable); + if (enable) + return hdmi_streamon(hdev); + return hdmi_streamoff(hdev); +} + +static void hdmi_resource_poweron(struct hdmi_resources *res) +{ + /* turn HDMI power on */ + regulator_bulk_enable(res->regul_count, res->regul_bulk); + /* power-on hdmi physical interface */ + clk_enable(res->hdmiphy); + /* use VPP as parent clock; HDMIPHY is not working yet */ + clk_set_parent(res->sclk_hdmi, res->sclk_pixel); + /* turn clocks on */ + clk_enable(res->sclk_hdmi); +} + +static void hdmi_resource_poweroff(struct hdmi_resources *res) +{ + /* turn clocks off */ + clk_disable(res->sclk_hdmi); + /* power-off hdmiphy */ + clk_disable(res->hdmiphy); + /* turn HDMI power off */ + regulator_bulk_disable(res->regul_count, res->regul_bulk); +} + +static int hdmi_s_power(struct v4l2_subdev *sd, int on) +{ + struct hdmi_device *hdev = sd_to_hdmi_dev(sd); + int ret; + + if (on) + ret = pm_runtime_get_sync(hdev->dev); + else + ret = pm_runtime_put_sync(hdev->dev); + /* only values < 0 indicate errors */ + return IS_ERR_VALUE(ret) ? ret : 0; +} + +static int hdmi_s_dv_preset(struct v4l2_subdev *sd, + struct v4l2_dv_preset *preset) +{ + struct hdmi_device *hdev = sd_to_hdmi_dev(sd); + struct device *dev = hdev->dev; + const struct hdmi_preset_conf *conf; + + conf = hdmi_preset2conf(preset->preset); + if (conf == NULL) { + dev_err(dev, "preset (%u) not supported\n", preset->preset); + return -EINVAL; + } + hdev->cur_conf = conf; + hdev->cur_preset = preset->preset; + return 0; +} + +static int hdmi_g_dv_preset(struct v4l2_subdev *sd, + struct v4l2_dv_preset *preset) +{ + memset(preset, 0, sizeof(*preset)); + preset->preset = sd_to_hdmi_dev(sd)->cur_preset; + return 0; +} + +static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *fmt) +{ + struct hdmi_device *hdev = sd_to_hdmi_dev(sd); + struct device *dev = hdev->dev; + + dev_dbg(dev, "%s\n", __func__); + if (!hdev->cur_conf) + return -EINVAL; + *fmt = hdev->cur_conf->mbus_fmt; + return 0; +} + +static int hdmi_enum_dv_presets(struct v4l2_subdev *sd, + struct v4l2_dv_enum_preset *preset) +{ + if (preset->index >= ARRAY_SIZE(hdmi_conf)) + return -EINVAL; + return v4l_fill_dv_preset_info(hdmi_conf[preset->index].preset, preset); +} + +static const struct v4l2_subdev_core_ops hdmi_sd_core_ops = { + .s_power = hdmi_s_power, +}; + +static const struct v4l2_subdev_video_ops hdmi_sd_video_ops = { + .s_dv_preset = hdmi_s_dv_preset, + .g_dv_preset = hdmi_g_dv_preset, + .enum_dv_presets = hdmi_enum_dv_presets, + .g_mbus_fmt = hdmi_g_mbus_fmt, + .s_stream = hdmi_s_stream, +}; + +static const struct v4l2_subdev_ops hdmi_sd_ops = { + .core = &hdmi_sd_core_ops, + .video = &hdmi_sd_video_ops, +}; + +static int hdmi_runtime_suspend(struct device *dev) +{ + struct v4l2_subdev *sd = dev_get_drvdata(dev); + struct hdmi_device *hdev = sd_to_hdmi_dev(sd); + + dev_dbg(dev, "%s\n", __func__); + hdmi_resource_poweroff(&hdev->res); + return 0; +} + +static int hdmi_runtime_resume(struct device *dev) +{ + struct v4l2_subdev *sd = dev_get_drvdata(dev); + struct hdmi_device *hdev = sd_to_hdmi_dev(sd); + int ret = 0; + + dev_dbg(dev, "%s\n", __func__); + + hdmi_resource_poweron(&hdev->res); + + ret = hdmi_conf_apply(hdev); + if (ret) + goto fail; + + dev_dbg(dev, "poweron succeed\n"); + + return 0; + +fail: + hdmi_resource_poweroff(&hdev->res); + dev_err(dev, "poweron failed\n"); + + return ret; +} + +static const struct dev_pm_ops hdmi_pm_ops = { + .runtime_suspend = hdmi_runtime_suspend, + .runtime_resume = hdmi_runtime_resume, +}; + +static void hdmi_resources_cleanup(struct hdmi_device *hdev) +{ + struct hdmi_resources *res = &hdev->res; + + dev_dbg(hdev->dev, "HDMI resource cleanup\n"); + /* put clocks, power */ + if (res->regul_count) + regulator_bulk_free(res->regul_count, res->regul_bulk); + /* kfree is NULL-safe */ + kfree(res->regul_bulk); + if (!IS_ERR_OR_NULL(res->hdmiphy)) + clk_put(res->hdmiphy); + if (!IS_ERR_OR_NULL(res->sclk_hdmiphy)) + clk_put(res->sclk_hdmiphy); + if (!IS_ERR_OR_NULL(res->sclk_pixel)) + clk_put(res->sclk_pixel); + if (!IS_ERR_OR_NULL(res->sclk_hdmi)) + clk_put(res->sclk_hdmi); + if (!IS_ERR_OR_NULL(res->hdmi)) + clk_put(res->hdmi); + memset(res, 0, sizeof *res); +} + +static int hdmi_resources_init(struct hdmi_device *hdev) +{ + struct device *dev = hdev->dev; + struct hdmi_resources *res = &hdev->res; + static char *supply[] = { + "hdmi-en", + "vdd", + "vdd_osc", + "vdd_pll", + }; + int i, ret; + + dev_dbg(dev, "HDMI resource init\n"); + + memset(res, 0, sizeof *res); + /* get clocks, power */ + + res->hdmi = clk_get(dev, "hdmi"); + if (IS_ERR_OR_NULL(res->hdmi)) { + dev_err(dev, "failed to get clock 'hdmi'\n"); + goto fail; + } + res->sclk_hdmi = clk_get(dev, "sclk_hdmi"); + if (IS_ERR_OR_NULL(res->sclk_hdmi)) { + dev_err(dev, "failed to get clock 'sclk_hdmi'\n"); + goto fail; + } + res->sclk_pixel = clk_get(dev, "sclk_pixel"); + if (IS_ERR_OR_NULL(res->sclk_pixel)) { + dev_err(dev, "failed to get clock 'sclk_pixel'\n"); + goto fail; + } + res->sclk_hdmiphy = clk_get(dev, "sclk_hdmiphy"); + if (IS_ERR_OR_NULL(res->sclk_hdmiphy)) { + dev_err(dev, "failed to get clock 'sclk_hdmiphy'\n"); + goto fail; + } + res->hdmiphy = clk_get(dev, "hdmiphy"); + if (IS_ERR_OR_NULL(res->hdmiphy)) { + dev_err(dev, "failed to get clock 'hdmiphy'\n"); + goto fail; + } + res->regul_bulk = kzalloc(ARRAY_SIZE(supply) * + sizeof res->regul_bulk[0], GFP_KERNEL); + if (!res->regul_bulk) { + dev_err(dev, "failed to get memory for regulators\n"); + goto fail; + } + for (i = 0; i < ARRAY_SIZE(supply); ++i) { + res->regul_bulk[i].supply = supply[i]; + res->regul_bulk[i].consumer = NULL; + } + + ret = regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk); + if (ret) { + dev_err(dev, "failed to get regulators\n"); + goto fail; + } + res->regul_count = ARRAY_SIZE(supply); + + return 0; +fail: + dev_err(dev, "HDMI resource init - failed\n"); + hdmi_resources_cleanup(hdev); + return -ENODEV; +} + +static int __devinit hdmi_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct resource *res; + struct i2c_adapter *phy_adapter; + struct v4l2_subdev *sd; + struct hdmi_device *hdmi_dev = NULL; + struct hdmi_driver_data *drv_data; + int ret; + + dev_dbg(dev, "probe start\n"); + + hdmi_dev = kzalloc(sizeof(*hdmi_dev), GFP_KERNEL); + if (!hdmi_dev) { + dev_err(dev, "out of memory\n"); + ret = -ENOMEM; + goto fail; + } + + hdmi_dev->dev = dev; + + ret = hdmi_resources_init(hdmi_dev); + if (ret) + goto fail_hdev; + + /* mapping HDMI registers */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(dev, "get memory resource failed.\n"); + ret = -ENXIO; + goto fail_init; + } + + hdmi_dev->regs = ioremap(res->start, resource_size(res)); + if (hdmi_dev->regs == NULL) { + dev_err(dev, "register mapping failed.\n"); + ret = -ENXIO; + goto fail_hdev; + } + + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (res == NULL) { + dev_err(dev, "get interrupt resource failed.\n"); + ret = -ENXIO; + goto fail_regs; + } + + ret = request_irq(res->start, hdmi_irq_handler, 0, "hdmi", hdmi_dev); + if (ret) { + dev_err(dev, "request interrupt failed.\n"); + goto fail_regs; + } + hdmi_dev->irq = res->start; + + /* setting v4l2 name to prevent WARN_ON in v4l2_device_register */ + strlcpy(hdmi_dev->v4l2_dev.name, dev_name(dev), + sizeof(hdmi_dev->v4l2_dev.name)); + /* passing NULL owner prevents driver from erasing drvdata */ + ret = v4l2_device_register(NULL, &hdmi_dev->v4l2_dev); + if (ret) { + dev_err(dev, "could not register v4l2 device.\n"); + goto fail_irq; + } + + drv_data = (struct hdmi_driver_data *) + platform_get_device_id(pdev)->driver_data; + phy_adapter = i2c_get_adapter(drv_data->hdmiphy_bus); + if (phy_adapter == NULL) { + dev_err(dev, "adapter request failed\n"); + ret = -ENXIO; + goto fail_vdev; + } + + hdmi_dev->phy_sd = v4l2_i2c_new_subdev_board(&hdmi_dev->v4l2_dev, + phy_adapter, &hdmiphy_info, NULL); + /* on failure or not adapter is no longer useful */ + i2c_put_adapter(phy_adapter); + if (hdmi_dev->phy_sd == NULL) { + dev_err(dev, "missing subdev for hdmiphy\n"); + ret = -ENODEV; + goto fail_vdev; + } + + clk_enable(hdmi_dev->res.hdmi); + + pm_runtime_enable(dev); + + sd = &hdmi_dev->sd; + v4l2_subdev_init(sd, &hdmi_sd_ops); + sd->owner = THIS_MODULE; + + strlcpy(sd->name, "s5p-hdmi", sizeof sd->name); + hdmi_dev->cur_preset = HDMI_DEFAULT_PRESET; + /* FIXME: missing fail preset is not supported */ + hdmi_dev->cur_conf = hdmi_preset2conf(hdmi_dev->cur_preset); + + /* storing subdev for call that have only access to struct device */ + dev_set_drvdata(dev, sd); + + dev_info(dev, "probe sucessful\n"); + + return 0; + +fail_vdev: + v4l2_device_unregister(&hdmi_dev->v4l2_dev); + +fail_irq: + free_irq(hdmi_dev->irq, hdmi_dev); + +fail_regs: + iounmap(hdmi_dev->regs); + +fail_init: + hdmi_resources_cleanup(hdmi_dev); + +fail_hdev: + kfree(hdmi_dev); + +fail: + dev_err(dev, "probe failed\n"); + return ret; +} + +static int __devexit hdmi_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct v4l2_subdev *sd = dev_get_drvdata(dev); + struct hdmi_device *hdmi_dev = sd_to_hdmi_dev(sd); + + pm_runtime_disable(dev); + clk_disable(hdmi_dev->res.hdmi); + v4l2_device_unregister(&hdmi_dev->v4l2_dev); + disable_irq(hdmi_dev->irq); + free_irq(hdmi_dev->irq, hdmi_dev); + iounmap(hdmi_dev->regs); + hdmi_resources_cleanup(hdmi_dev); + kfree(hdmi_dev); + dev_info(dev, "remove sucessful\n"); + + return 0; +} + +static struct platform_driver hdmi_driver __refdata = { + .probe = hdmi_probe, + .remove = __devexit_p(hdmi_remove), + .id_table = hdmi_driver_types, + .driver = { + .name = "s5p-hdmi", + .owner = THIS_MODULE, + .pm = &hdmi_pm_ops, + } +}; + +/* D R I V E R I N I T I A L I Z A T I O N */ + +static int __init hdmi_init(void) +{ + int ret; + static const char banner[] __initdata = KERN_INFO \ + "Samsung HDMI output driver, " + "(c) 2010-2011 Samsung Electronics Co., Ltd.\n"; + printk(banner); + + ret = platform_driver_register(&hdmi_driver); + if (ret) + printk(KERN_ERR "HDMI platform driver register failed\n"); + + return ret; +} +module_init(hdmi_init); + +static void __exit hdmi_exit(void) +{ + platform_driver_unregister(&hdmi_driver); +} +module_exit(hdmi_exit); + + diff --git a/drivers/media/video/s5p-tv/hdmiphy_drv.c b/drivers/media/video/s5p-tv/hdmiphy_drv.c new file mode 100644 index 0000000..da5b684 --- /dev/null +++ b/drivers/media/video/s5p-tv/hdmiphy_drv.c @@ -0,0 +1,196 @@ +/* + * Samsung HDMI Physical interface driver + * + * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd + * Author: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/slab.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/err.h> + +#include <media/v4l2-subdev.h> + +MODULE_AUTHOR("Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx>"); +MODULE_DESCRIPTION("Samsung HDMI Physical interface driver"); +MODULE_LICENSE("GPL"); + +struct hdmiphy_conf { + u32 preset; + const u8 *data; +}; + +static const u8 hdmiphy_conf27[32] = { + 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40, + 0x6B, 0x10, 0x02, 0x51, 0xDf, 0xF2, 0x54, 0x87, + 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, + 0x22, 0x40, 0xe3, 0x26, 0x00, 0x00, 0x00, 0x00, +}; + +static const u8 hdmiphy_conf74_175[32] = { + 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B, + 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9, + 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, + 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x00, +}; + +static const u8 hdmiphy_conf74_25[32] = { + 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40, + 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba, + 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xe0, + 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x00, +}; + +static const u8 hdmiphy_conf148_5[32] = { + 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40, + 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba, + 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0, + 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x00, +}; + +static const u8 hdmiphy_conf148_35[32] = { + 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B, + 0x6D, 0x18, 0x00, 0x51, 0xef, 0xF3, 0x54, 0xb9, + 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0, + 0x22, 0x40, 0xa5, 0x26, 0x02, 0x00, 0x00, 0x00, +}; + +static const struct hdmiphy_conf hdmiphy_conf[] = { + { V4L2_DV_480P59_94, hdmiphy_conf27 }, + { V4L2_DV_1080P30, hdmiphy_conf74_175 }, + { V4L2_DV_720P59_94, hdmiphy_conf74_175 }, + { V4L2_DV_720P60, hdmiphy_conf74_25 }, + { V4L2_DV_1080P50, hdmiphy_conf148_5 }, + { V4L2_DV_1080P60, hdmiphy_conf148_5 }, + { V4L2_DV_1080P59_94, hdmiphy_conf148_35}, +}; + +const u8 *hdmiphy_preset2conf(u32 preset) +{ + int i; + for (i = 0; i < ARRAY_SIZE(hdmiphy_conf); ++i) + if (hdmiphy_conf[i].preset == preset) + return hdmiphy_conf[i].data; + return NULL; +} + +static int hdmiphy_s_power(struct v4l2_subdev *sd, int on) +{ + /* to be implemented */ + return 0; +} + +static int hdmiphy_s_dv_preset(struct v4l2_subdev *sd, + struct v4l2_dv_preset *preset) +{ + const u8 *data; + u8 buffer[32]; + int ret; + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct device *dev = &client->dev; + + dev_info(dev, "s_dv_preset(preset = %d)\n", preset->preset); + data = hdmiphy_preset2conf(preset->preset); + if (!data) { + dev_err(dev, "format not supported\n"); + return -EINVAL; + } + + /* storing configuration to the device */ + memcpy(buffer, data, 32); + ret = i2c_master_send(client, buffer, 32); + if (ret != 32) { + dev_err(dev, "failed to configure HDMIPHY via I2C\n"); + return -EIO; + } + + return 0; +} + +static int hdmiphy_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct device *dev = &client->dev; + u8 buffer[2]; + int ret; + + dev_info(dev, "s_stream(%d)\n", enable); + /* going to/from configuration from/to operation mode */ + buffer[0] = 0x1f; + buffer[1] = enable ? 0x80 : 0x00; + + ret = i2c_master_send(client, buffer, 2); + if (ret != 2) { + dev_err(dev, "stream (%d) failed\n", enable); + return -EIO; + } + return 0; +} + +static const struct v4l2_subdev_core_ops hdmiphy_core_ops = { + .s_power = hdmiphy_s_power, +}; + +static const struct v4l2_subdev_video_ops hdmiphy_video_ops = { + .s_dv_preset = hdmiphy_s_dv_preset, + .s_stream = hdmiphy_s_stream, +}; + +static const struct v4l2_subdev_ops hdmiphy_ops = { + .core = &hdmiphy_core_ops, + .video = &hdmiphy_video_ops, +}; + +static int __devinit hdmiphy_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + static struct v4l2_subdev sd; + + v4l2_i2c_subdev_init(&sd, client, &hdmiphy_ops); + dev_info(&client->dev, "probe successful\n"); + return 0; +} + +static int __devexit hdmiphy_remove(struct i2c_client *client) +{ + dev_info(&client->dev, "remove successful\n"); + return 0; +} + +static const struct i2c_device_id hdmiphy_id[] = { + { "hdmiphy", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, hdmiphy_id); + +static struct i2c_driver hdmiphy_driver = { + .driver = { + .name = "s5p-hdmiphy", + .owner = THIS_MODULE, + }, + .probe = hdmiphy_probe, + .remove = __devexit_p(hdmiphy_remove), + .id_table = hdmiphy_id, +}; + +static int __init hdmiphy_init(void) +{ + return i2c_add_driver(&hdmiphy_driver); +} +module_init(hdmiphy_init); + +static void __exit hdmiphy_exit(void) +{ + i2c_del_driver(&hdmiphy_driver); +} +module_exit(hdmiphy_exit); diff --git a/drivers/media/video/s5p-tv/regs-hdmi.h b/drivers/media/video/s5p-tv/regs-hdmi.h new file mode 100644 index 0000000..ac93ad6 --- /dev/null +++ b/drivers/media/video/s5p-tv/regs-hdmi.h @@ -0,0 +1,141 @@ +/* linux/arch/arm/mach-exynos4/include/mach/regs-hdmi.h + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * HDMI register header file for Samsung TVOUT driver + * + * 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. +*/ + +#ifndef SAMSUNG_REGS_HDMI_H +#define SAMSUNG_REGS_HDMI_H + +/* + * Register part +*/ + +#define HDMI_CTRL_BASE(x) ((x) + 0x00000000) +#define HDMI_CORE_BASE(x) ((x) + 0x00010000) +#define HDMI_TG_BASE(x) ((x) + 0x00050000) + +/* Control registers */ +#define HDMI_INTC_CON HDMI_CTRL_BASE(0x0000) +#define HDMI_INTC_FLAG HDMI_CTRL_BASE(0x0004) +#define HDMI_HPD_STATUS HDMI_CTRL_BASE(0x000C) +#define HDMI_PHY_RSTOUT HDMI_CTRL_BASE(0x0014) +#define HDMI_PHY_VPLL HDMI_CTRL_BASE(0x0018) +#define HDMI_PHY_CMU HDMI_CTRL_BASE(0x001C) +#define HDMI_CORE_RSTOUT HDMI_CTRL_BASE(0x0020) + +/* Core registers */ +#define HDMI_CON_0 HDMI_CORE_BASE(0x0000) +#define HDMI_CON_1 HDMI_CORE_BASE(0x0004) +#define HDMI_CON_2 HDMI_CORE_BASE(0x0008) +#define HDMI_SYS_STATUS HDMI_CORE_BASE(0x0010) +#define HDMI_PHY_STATUS HDMI_CORE_BASE(0x0014) +#define HDMI_STATUS_EN HDMI_CORE_BASE(0x0020) +#define HDMI_HPD HDMI_CORE_BASE(0x0030) +#define HDMI_MODE_SEL HDMI_CORE_BASE(0x0040) +#define HDMI_BLUE_SCREEN_0 HDMI_CORE_BASE(0x0050) +#define HDMI_BLUE_SCREEN_1 HDMI_CORE_BASE(0x0054) +#define HDMI_BLUE_SCREEN_2 HDMI_CORE_BASE(0x0058) +#define HDMI_H_BLANK_0 HDMI_CORE_BASE(0x00A0) +#define HDMI_H_BLANK_1 HDMI_CORE_BASE(0x00A4) +#define HDMI_V_BLANK_0 HDMI_CORE_BASE(0x00B0) +#define HDMI_V_BLANK_1 HDMI_CORE_BASE(0x00B4) +#define HDMI_V_BLANK_2 HDMI_CORE_BASE(0x00B8) +#define HDMI_H_V_LINE_0 HDMI_CORE_BASE(0x00C0) +#define HDMI_H_V_LINE_1 HDMI_CORE_BASE(0x00C4) +#define HDMI_H_V_LINE_2 HDMI_CORE_BASE(0x00C8) +#define HDMI_VSYNC_POL HDMI_CORE_BASE(0x00E4) +#define HDMI_INT_PRO_MODE HDMI_CORE_BASE(0x00E8) +#define HDMI_V_BLANK_F_0 HDMI_CORE_BASE(0x0110) +#define HDMI_V_BLANK_F_1 HDMI_CORE_BASE(0x0114) +#define HDMI_V_BLANK_F_2 HDMI_CORE_BASE(0x0118) +#define HDMI_H_SYNC_GEN_0 HDMI_CORE_BASE(0x0120) +#define HDMI_H_SYNC_GEN_1 HDMI_CORE_BASE(0x0124) +#define HDMI_H_SYNC_GEN_2 HDMI_CORE_BASE(0x0128) +#define HDMI_V_SYNC_GEN_1_0 HDMI_CORE_BASE(0x0130) +#define HDMI_V_SYNC_GEN_1_1 HDMI_CORE_BASE(0x0134) +#define HDMI_V_SYNC_GEN_1_2 HDMI_CORE_BASE(0x0138) +#define HDMI_V_SYNC_GEN_2_0 HDMI_CORE_BASE(0x0140) +#define HDMI_V_SYNC_GEN_2_1 HDMI_CORE_BASE(0x0144) +#define HDMI_V_SYNC_GEN_2_2 HDMI_CORE_BASE(0x0148) +#define HDMI_V_SYNC_GEN_3_0 HDMI_CORE_BASE(0x0150) +#define HDMI_V_SYNC_GEN_3_1 HDMI_CORE_BASE(0x0154) +#define HDMI_V_SYNC_GEN_3_2 HDMI_CORE_BASE(0x0158) +#define HDMI_AVI_CON HDMI_CORE_BASE(0x0300) +#define HDMI_AVI_BYTE(n) HDMI_CORE_BASE(0x0320 + 4 * (n)) +#define HDMI_DC_CONTROL HDMI_CORE_BASE(0x05C0) +#define HDMI_VIDEO_PATTERN_GEN HDMI_CORE_BASE(0x05C4) +#define HDMI_HPD_GEN HDMI_CORE_BASE(0x05C8) + +/* Timing generator registers */ +#define HDMI_TG_CMD HDMI_TG_BASE(0x0000) +#define HDMI_TG_H_FSZ_L HDMI_TG_BASE(0x0018) +#define HDMI_TG_H_FSZ_H HDMI_TG_BASE(0x001C) +#define HDMI_TG_HACT_ST_L HDMI_TG_BASE(0x0020) +#define HDMI_TG_HACT_ST_H HDMI_TG_BASE(0x0024) +#define HDMI_TG_HACT_SZ_L HDMI_TG_BASE(0x0028) +#define HDMI_TG_HACT_SZ_H HDMI_TG_BASE(0x002C) +#define HDMI_TG_V_FSZ_L HDMI_TG_BASE(0x0030) +#define HDMI_TG_V_FSZ_H HDMI_TG_BASE(0x0034) +#define HDMI_TG_VSYNC_L HDMI_TG_BASE(0x0038) +#define HDMI_TG_VSYNC_H HDMI_TG_BASE(0x003C) +#define HDMI_TG_VSYNC2_L HDMI_TG_BASE(0x0040) +#define HDMI_TG_VSYNC2_H HDMI_TG_BASE(0x0044) +#define HDMI_TG_VACT_ST_L HDMI_TG_BASE(0x0048) +#define HDMI_TG_VACT_ST_H HDMI_TG_BASE(0x004C) +#define HDMI_TG_VACT_SZ_L HDMI_TG_BASE(0x0050) +#define HDMI_TG_VACT_SZ_H HDMI_TG_BASE(0x0054) +#define HDMI_TG_FIELD_CHG_L HDMI_TG_BASE(0x0058) +#define HDMI_TG_FIELD_CHG_H HDMI_TG_BASE(0x005C) +#define HDMI_TG_VACT_ST2_L HDMI_TG_BASE(0x0060) +#define HDMI_TG_VACT_ST2_H HDMI_TG_BASE(0x0064) +#define HDMI_TG_VSYNC_TOP_HDMI_L HDMI_TG_BASE(0x0078) +#define HDMI_TG_VSYNC_TOP_HDMI_H HDMI_TG_BASE(0x007C) +#define HDMI_TG_VSYNC_BOT_HDMI_L HDMI_TG_BASE(0x0080) +#define HDMI_TG_VSYNC_BOT_HDMI_H HDMI_TG_BASE(0x0084) +#define HDMI_TG_FIELD_TOP_HDMI_L HDMI_TG_BASE(0x0088) +#define HDMI_TG_FIELD_TOP_HDMI_H HDMI_TG_BASE(0x008C) +#define HDMI_TG_FIELD_BOT_HDMI_L HDMI_TG_BASE(0x0090) +#define HDMI_TG_FIELD_BOT_HDMI_H HDMI_TG_BASE(0x0094) + +/* + * Bit definition part + */ + +/* HDMI_INTC_CON */ +#define HDMI_INTC_EN_GLOBAL (1 << 6) +#define HDMI_INTC_EN_HPD_PLUG (1 << 3) +#define HDMI_INTC_EN_HPD_UNPLUG (1 << 2) + +/* HDMI_INTC_FLAG */ +#define HDMI_INTC_FLAG_HPD_PLUG (1 << 3) +#define HDMI_INTC_FLAG_HPD_UNPLUG (1 << 2) + +/* HDMI_PHY_RSTOUT */ +#define HDMI_PHY_SW_RSTOUT (1 << 0) + +/* HDMI_CORE_RSTOUT */ +#define HDMI_CORE_SW_RSTOUT (1 << 0) + +/* HDMI_CON_0 */ +#define HDMI_BLUE_SCR_EN (1 << 5) +#define HDMI_EN (1 << 0) + +/* HDMI_PHY_STATUS */ +#define HDMI_PHY_STATUS_READY (1 << 0) + +/* HDMI_MODE_SEL */ +#define HDMI_MODE_HDMI_EN (1 << 1) +#define HDMI_MODE_DVI_EN (1 << 0) +#define HDMI_MODE_MASK (3 << 0) + +/* HDMI_TG_CMD */ +#define HDMI_TG_EN (1 << 0) + +#endif /* SAMSUNG_REGS_HDMI_H */ -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More 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