F: arch/arm/plat-samsung/s5p-dev-mfc.c
F: drivers/media/platform/s5p-mfc/
-ARM/SAMSUNG S5P SERIES TV SUBSYSTEM SUPPORT
-M: Kyungmin Park <kyungmin.park@samsung.com>
-M: Tomasz Stanislawski <t.stanislaws@samsung.com>
-L: linux-arm-kernel@lists.infradead.org
-L: linux-media@vger.kernel.org
-S: Maintained
-F: drivers/media/platform/s5p-tv/
-
ARM/SAMSUNG S5P SERIES HDMI CEC SUBSYSTEM SUPPORT
M: Kyungmin Park <kyungmin.park@samsung.com>
L: linux-arm-kernel@lists.infradead.org
config DRM_EXYNOS_MIXER
bool "Mixer"
- depends on !VIDEO_SAMSUNG_S5P_TV
help
Choose this option if you want to use Exynos Mixer for DRM.
config DRM_EXYNOS_HDMI
bool "HDMI"
- depends on !VIDEO_SAMSUNG_S5P_TV && (DRM_EXYNOS_MIXER || DRM_EXYNOS5433_DECON)
+ depends on DRM_EXYNOS_MIXER || DRM_EXYNOS5433_DECON
help
Choose this option if you want to use Exynos HDMI for DRM.
source "drivers/media/platform/soc_camera/Kconfig"
source "drivers/media/platform/exynos4-is/Kconfig"
-source "drivers/media/platform/s5p-tv/Kconfig"
source "drivers/media/platform/am437x/Kconfig"
source "drivers/media/platform/xilinx/Kconfig"
source "drivers/media/platform/rcar-vin/Kconfig"
obj-$(CONFIG_VIDEO_SAMSUNG_EXYNOS4_IS) += exynos4-is/
obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) += s5p-jpeg/
obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) += s5p-mfc/
-obj-$(CONFIG_VIDEO_SAMSUNG_S5P_TV) += s5p-tv/
obj-$(CONFIG_VIDEO_SAMSUNG_S5P_G2D) += s5p-g2d/
obj-$(CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC) += exynos-gsc/
+++ /dev/null
-# drivers/media/platform/s5p-tv/Kconfig
-#
-# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
-# http://www.samsung.com/
-# Tomasz Stanislawski <t.stanislaws@samsung.com>
-#
-# Licensed under GPL
-
-config VIDEO_SAMSUNG_S5P_TV
- bool "Samsung TV driver for S5P platform"
- depends on PM
- depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
- 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 I2C
- 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.
-
-config VIDEO_SAMSUNG_S5P_SII9234
- tristate "Samsung SII9234 Driver"
- depends on VIDEO_DEV && VIDEO_V4L2 && I2C
- depends on VIDEO_SAMSUNG_S5P_TV
- help
- Say Y here if you want support for the MHL 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.
-
-config VIDEO_SAMSUNG_S5P_SDO
- tristate "Samsung Analog TV Driver"
- depends on VIDEO_DEV && VIDEO_V4L2
- depends on VIDEO_SAMSUNG_S5P_TV
- help
- Say Y here if you want support for the analog TV 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_MIXER
- tristate "Samsung Mixer and Video Processor Driver"
- depends on VIDEO_DEV && VIDEO_V4L2
- depends on VIDEO_SAMSUNG_S5P_TV
- depends on HAS_DMA
- select VIDEOBUF2_DMA_CONTIG
- help
- Say Y here if you want support for the Mixer in Samsung S5P SoCs.
- This device produce image data to one of output interfaces.
-
-config VIDEO_SAMSUNG_S5P_MIXER_DEBUG
- bool "Enable debug for Mixer Driver"
- depends on VIDEO_SAMSUNG_S5P_MIXER
- default n
- help
- Enables debugging for Mixer driver.
-
-endif # VIDEO_SAMSUNG_S5P_TV
+++ /dev/null
-# drivers/media/platform/samsung/tvout/Makefile
-#
-# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
-# http://www.samsung.com/
-# Tomasz Stanislawski <t.stanislaws@samsung.com>
-#
-# Licensed under GPL
-
-obj-$(CONFIG_VIDEO_SAMSUNG_S5P_HDMIPHY) += s5p-hdmiphy.o
-s5p-hdmiphy-y += hdmiphy_drv.o
-obj-$(CONFIG_VIDEO_SAMSUNG_S5P_SII9234) += s5p-sii9234.o
-s5p-sii9234-y += sii9234_drv.o
-obj-$(CONFIG_VIDEO_SAMSUNG_S5P_HDMI) += s5p-hdmi.o
-s5p-hdmi-y += hdmi_drv.o
-obj-$(CONFIG_VIDEO_SAMSUNG_S5P_SDO) += s5p-sdo.o
-s5p-sdo-y += sdo_drv.o
-obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MIXER) += s5p-mixer.o
-s5p-mixer-y += mixer_drv.o mixer_video.o mixer_reg.o mixer_grp_layer.o mixer_vp_layer.o
-
+++ /dev/null
-/*
- * Samsung HDMI interface driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.com>
- *
- * 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
- */
-
-#define pr_fmt(fmt) "s5p-tv (hdmi_drv): " fmt
-
-#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 <linux/v4l2-dv-timings.h>
-
-#include <linux/platform_data/media/s5p_hdmi.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-dev.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-dv-timings.h>
-
-#include "regs-hdmi.h"
-
-MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>");
-MODULE_DESCRIPTION("Samsung HDMI");
-MODULE_LICENSE("GPL");
-
-struct hdmi_pulse {
- u32 beg;
- u32 end;
-};
-
-struct hdmi_timings {
- struct hdmi_pulse hact;
- u32 hsyn_pol; /* 0 - high, 1 - low */
- struct hdmi_pulse hsyn;
- u32 interlaced;
- struct hdmi_pulse vact[2];
- u32 vsyn_pol; /* 0 - high, 1 - low */
- u32 vsyn_off;
- struct hdmi_pulse vsyn[2];
-};
-
-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;
- /** subdev of MHL interface */
- struct v4l2_subdev *mhl_sd;
- /** configuration of current graphic mode */
- const struct hdmi_timings *cur_conf;
- /** flag indicating that timings are dirty */
- int cur_conf_dirty;
- /** current timings */
- struct v4l2_dv_timings cur_timings;
- /** other resources */
- struct hdmi_resources res;
-};
-
-static const struct platform_device_id hdmi_driver_types[] = {
- {
- .name = "s5pv210-hdmi",
- }, {
- .name = "exynos4-hdmi",
- }, {
- /* 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
-void hdmi_writebn(struct hdmi_device *hdev, u32 reg_id, int n, u32 value)
-{
- switch (n) {
- default:
- writeb(value >> 24, hdev->regs + reg_id + 12);
- case 3:
- writeb(value >> 16, hdev->regs + reg_id + 8);
- case 2:
- writeb(value >> 8, hdev->regs + reg_id + 4);
- case 1:
- writeb(value >> 0, hdev->regs + reg_id + 0);
- }
-}
-
-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) {
- pr_info("unplugged\n");
- hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0,
- HDMI_INTC_FLAG_HPD_UNPLUG);
- }
- if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) {
- pr_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 DVI mode */
- hdmi_write_mask(hdev, HDMI_MODE_SEL,
- HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
- hdmi_write_mask(hdev, HDMI_CON_2, ~0,
- HDMI_DVI_PERAMBLE_EN | HDMI_DVI_BAND_EN);
- /* 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);
-}
-
-static void hdmi_timing_apply(struct hdmi_device *hdev,
- const struct hdmi_timings *t)
-{
- /* setting core registers */
- hdmi_writebn(hdev, HDMI_H_BLANK_0, 2, t->hact.beg);
- hdmi_writebn(hdev, HDMI_H_SYNC_GEN_0, 3,
- (t->hsyn_pol << 20) | (t->hsyn.end << 10) | t->hsyn.beg);
- hdmi_writeb(hdev, HDMI_VSYNC_POL, t->vsyn_pol);
- hdmi_writebn(hdev, HDMI_V_BLANK_0, 3,
- (t->vact[0].beg << 11) | t->vact[0].end);
- hdmi_writebn(hdev, HDMI_V_SYNC_GEN_1_0, 3,
- (t->vsyn[0].beg << 12) | t->vsyn[0].end);
- if (t->interlaced) {
- u32 vsyn_trans = t->hsyn.beg + t->vsyn_off;
-
- hdmi_writeb(hdev, HDMI_INT_PRO_MODE, 1);
- hdmi_writebn(hdev, HDMI_H_V_LINE_0, 3,
- (t->hact.end << 12) | t->vact[1].end);
- hdmi_writebn(hdev, HDMI_V_BLANK_F_0, 3,
- (t->vact[1].end << 11) | t->vact[1].beg);
- hdmi_writebn(hdev, HDMI_V_SYNC_GEN_2_0, 3,
- (t->vsyn[1].beg << 12) | t->vsyn[1].end);
- hdmi_writebn(hdev, HDMI_V_SYNC_GEN_3_0, 3,
- (vsyn_trans << 12) | vsyn_trans);
- } else {
- hdmi_writeb(hdev, HDMI_INT_PRO_MODE, 0);
- hdmi_writebn(hdev, HDMI_H_V_LINE_0, 3,
- (t->hact.end << 12) | t->vact[0].end);
- }
-
- /* Timing generator registers */
- hdmi_writebn(hdev, HDMI_TG_H_FSZ_L, 2, t->hact.end);
- hdmi_writebn(hdev, HDMI_TG_HACT_ST_L, 2, t->hact.beg);
- hdmi_writebn(hdev, HDMI_TG_HACT_SZ_L, 2, t->hact.end - t->hact.beg);
- hdmi_writebn(hdev, HDMI_TG_VSYNC_L, 2, t->vsyn[0].beg);
- hdmi_writebn(hdev, HDMI_TG_VACT_ST_L, 2, t->vact[0].beg);
- hdmi_writebn(hdev, HDMI_TG_VACT_SZ_L, 2,
- t->vact[0].end - t->vact[0].beg);
- hdmi_writebn(hdev, HDMI_TG_VSYNC_TOP_HDMI_L, 2, t->vsyn[0].beg);
- hdmi_writebn(hdev, HDMI_TG_FIELD_TOP_HDMI_L, 2, t->vsyn[0].beg);
- if (t->interlaced) {
- hdmi_write_mask(hdev, HDMI_TG_CMD, ~0, HDMI_TG_FIELD_EN);
- hdmi_writebn(hdev, HDMI_TG_V_FSZ_L, 2, t->vact[1].end);
- hdmi_writebn(hdev, HDMI_TG_VSYNC2_L, 2, t->vsyn[1].beg);
- hdmi_writebn(hdev, HDMI_TG_FIELD_CHG_L, 2, t->vact[0].end);
- hdmi_writebn(hdev, HDMI_TG_VACT_ST2_L, 2, t->vact[1].beg);
- hdmi_writebn(hdev, HDMI_TG_VSYNC_BOT_HDMI_L, 2, t->vsyn[1].beg);
- hdmi_writebn(hdev, HDMI_TG_FIELD_BOT_HDMI_L, 2, t->vsyn[1].beg);
- } else {
- hdmi_write_mask(hdev, HDMI_TG_CMD, 0, HDMI_TG_FIELD_EN);
- hdmi_writebn(hdev, HDMI_TG_V_FSZ_L, 2, t->vact[0].end);
- }
-}
-
-static int hdmi_conf_apply(struct hdmi_device *hdmi_dev)
-{
- struct device *dev = hdmi_dev->dev;
- const struct hdmi_timings *conf = hdmi_dev->cur_conf;
- int ret;
-
- dev_dbg(dev, "%s\n", __func__);
-
- /* skip if conf is already synchronized with HW */
- if (!hdmi_dev->cur_conf_dirty)
- return 0;
-
- /* 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 timings */
- ret = v4l2_subdev_call(hdmi_dev->phy_sd, video, s_dv_timings,
- &hdmi_dev->cur_timings);
- if (ret) {
- dev_err(dev, "failed to set timings\n");
- 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);
-
- hdmi_dev->cur_conf_dirty = 0;
-
- 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_timings hdmi_timings_480p = {
- .hact = { .beg = 138, .end = 858 },
- .hsyn_pol = 1,
- .hsyn = { .beg = 16, .end = 16 + 62 },
- .interlaced = 0,
- .vact[0] = { .beg = 42 + 3, .end = 522 + 3 },
- .vsyn_pol = 1,
- .vsyn[0] = { .beg = 6 + 3, .end = 12 + 3},
-};
-
-static const struct hdmi_timings hdmi_timings_576p50 = {
- .hact = { .beg = 144, .end = 864 },
- .hsyn_pol = 1,
- .hsyn = { .beg = 12, .end = 12 + 64 },
- .interlaced = 0,
- .vact[0] = { .beg = 44 + 5, .end = 620 + 5 },
- .vsyn_pol = 1,
- .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5},
-};
-
-static const struct hdmi_timings hdmi_timings_720p60 = {
- .hact = { .beg = 370, .end = 1650 },
- .hsyn_pol = 0,
- .hsyn = { .beg = 110, .end = 110 + 40 },
- .interlaced = 0,
- .vact[0] = { .beg = 25 + 5, .end = 745 + 5 },
- .vsyn_pol = 0,
- .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5},
-};
-
-static const struct hdmi_timings hdmi_timings_720p50 = {
- .hact = { .beg = 700, .end = 1980 },
- .hsyn_pol = 0,
- .hsyn = { .beg = 440, .end = 440 + 40 },
- .interlaced = 0,
- .vact[0] = { .beg = 25 + 5, .end = 745 + 5 },
- .vsyn_pol = 0,
- .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5},
-};
-
-static const struct hdmi_timings hdmi_timings_1080p24 = {
- .hact = { .beg = 830, .end = 2750 },
- .hsyn_pol = 0,
- .hsyn = { .beg = 638, .end = 638 + 44 },
- .interlaced = 0,
- .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 },
- .vsyn_pol = 0,
- .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4},
-};
-
-static const struct hdmi_timings hdmi_timings_1080p60 = {
- .hact = { .beg = 280, .end = 2200 },
- .hsyn_pol = 0,
- .hsyn = { .beg = 88, .end = 88 + 44 },
- .interlaced = 0,
- .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 },
- .vsyn_pol = 0,
- .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4},
-};
-
-static const struct hdmi_timings hdmi_timings_1080i60 = {
- .hact = { .beg = 280, .end = 2200 },
- .hsyn_pol = 0,
- .hsyn = { .beg = 88, .end = 88 + 44 },
- .interlaced = 1,
- .vact[0] = { .beg = 20 + 2, .end = 560 + 2 },
- .vact[1] = { .beg = 583 + 2, .end = 1123 + 2 },
- .vsyn_pol = 0,
- .vsyn_off = 1100,
- .vsyn[0] = { .beg = 0 + 2, .end = 5 + 2},
- .vsyn[1] = { .beg = 562 + 2, .end = 567 + 2},
-};
-
-static const struct hdmi_timings hdmi_timings_1080i50 = {
- .hact = { .beg = 720, .end = 2640 },
- .hsyn_pol = 0,
- .hsyn = { .beg = 528, .end = 528 + 44 },
- .interlaced = 1,
- .vact[0] = { .beg = 20 + 2, .end = 560 + 2 },
- .vact[1] = { .beg = 583 + 2, .end = 1123 + 2 },
- .vsyn_pol = 0,
- .vsyn_off = 1320,
- .vsyn[0] = { .beg = 0 + 2, .end = 5 + 2},
- .vsyn[1] = { .beg = 562 + 2, .end = 567 + 2},
-};
-
-static const struct hdmi_timings hdmi_timings_1080p50 = {
- .hact = { .beg = 720, .end = 2640 },
- .hsyn_pol = 0,
- .hsyn = { .beg = 528, .end = 528 + 44 },
- .interlaced = 0,
- .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 },
- .vsyn_pol = 0,
- .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4},
-};
-
-/* default hdmi_timings index of the timings configured on probe */
-#define HDMI_DEFAULT_TIMINGS_IDX (0)
-
-static const struct {
- bool reduced_fps;
- const struct v4l2_dv_timings dv_timings;
- const struct hdmi_timings *hdmi_timings;
-} hdmi_timings[] = {
- { false, V4L2_DV_BT_CEA_720X480P59_94, &hdmi_timings_480p },
- { false, V4L2_DV_BT_CEA_720X576P50, &hdmi_timings_576p50 },
- { false, V4L2_DV_BT_CEA_1280X720P50, &hdmi_timings_720p50 },
- { true, V4L2_DV_BT_CEA_1280X720P60, &hdmi_timings_720p60 },
- { false, V4L2_DV_BT_CEA_1920X1080P24, &hdmi_timings_1080p24 },
- { false, V4L2_DV_BT_CEA_1920X1080P30, &hdmi_timings_1080p60 },
- { false, V4L2_DV_BT_CEA_1920X1080P50, &hdmi_timings_1080p50 },
- { false, V4L2_DV_BT_CEA_1920X1080I50, &hdmi_timings_1080i50 },
- { false, V4L2_DV_BT_CEA_1920X1080I60, &hdmi_timings_1080i60 },
- { false, V4L2_DV_BT_CEA_1920X1080P60, &hdmi_timings_1080p60 },
-};
-
-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 = hdmi_conf_apply(hdev);
- if (ret)
- return ret;
-
- 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, "hdmiphy - s_stream");
- return -EIO;
- }
-
- /* starting MHL */
- ret = v4l2_subdev_call(hdev->mhl_sd, video, s_stream, 1);
- if (hdev->mhl_sd && ret) {
- v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0);
- hdmi_dumpregs(hdev, "mhl - 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->mhl_sd, video, s_stream, 0);
- 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 int hdmi_resource_poweron(struct hdmi_resources *res)
-{
- int ret;
-
- /* turn HDMI power on */
- ret = regulator_bulk_enable(res->regul_count, res->regul_bulk);
- if (ret < 0)
- return ret;
- /* 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);
-
- return 0;
-}
-
-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 ret < 0 ? ret : 0;
-}
-
-static int hdmi_s_dv_timings(struct v4l2_subdev *sd,
- struct v4l2_dv_timings *timings)
-{
- struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
- struct device *dev = hdev->dev;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(hdmi_timings); i++)
- if (v4l2_match_dv_timings(&hdmi_timings[i].dv_timings,
- timings, 0, false))
- break;
- if (i == ARRAY_SIZE(hdmi_timings)) {
- dev_err(dev, "timings not supported\n");
- return -EINVAL;
- }
- hdev->cur_conf = hdmi_timings[i].hdmi_timings;
- hdev->cur_conf_dirty = 1;
- hdev->cur_timings = *timings;
- if (!hdmi_timings[i].reduced_fps)
- hdev->cur_timings.bt.flags &= ~V4L2_DV_FL_CAN_REDUCE_FPS;
- return 0;
-}
-
-static int hdmi_g_dv_timings(struct v4l2_subdev *sd,
- struct v4l2_dv_timings *timings)
-{
- *timings = sd_to_hdmi_dev(sd)->cur_timings;
- return 0;
-}
-
-static int hdmi_get_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
-{
- struct v4l2_mbus_framefmt *fmt = &format->format;
- struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
- const struct hdmi_timings *t = hdev->cur_conf;
-
- dev_dbg(hdev->dev, "%s\n", __func__);
- if (!hdev->cur_conf)
- return -EINVAL;
- if (format->pad)
- return -EINVAL;
-
- memset(fmt, 0, sizeof(*fmt));
- fmt->width = t->hact.end - t->hact.beg;
- fmt->height = t->vact[0].end - t->vact[0].beg;
- fmt->code = MEDIA_BUS_FMT_FIXED; /* means RGB888 */
- fmt->colorspace = V4L2_COLORSPACE_SRGB;
- if (t->interlaced) {
- fmt->field = V4L2_FIELD_INTERLACED;
- fmt->height *= 2;
- } else {
- fmt->field = V4L2_FIELD_NONE;
- }
- return 0;
-}
-
-static int hdmi_enum_dv_timings(struct v4l2_subdev *sd,
- struct v4l2_enum_dv_timings *timings)
-{
- if (timings->pad != 0)
- return -EINVAL;
- if (timings->index >= ARRAY_SIZE(hdmi_timings))
- return -EINVAL;
- timings->timings = hdmi_timings[timings->index].dv_timings;
- if (!hdmi_timings[timings->index].reduced_fps)
- timings->timings.bt.flags &= ~V4L2_DV_FL_CAN_REDUCE_FPS;
- return 0;
-}
-
-static int hdmi_dv_timings_cap(struct v4l2_subdev *sd,
- struct v4l2_dv_timings_cap *cap)
-{
- struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
-
- if (cap->pad != 0)
- return -EINVAL;
-
- /* Let the phy fill in the pixelclock range */
- v4l2_subdev_call(hdev->phy_sd, pad, dv_timings_cap, cap);
- cap->type = V4L2_DV_BT_656_1120;
- cap->bt.min_width = 720;
- cap->bt.max_width = 1920;
- cap->bt.min_height = 480;
- cap->bt.max_height = 1080;
- cap->bt.standards = V4L2_DV_BT_STD_CEA861;
- cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED |
- V4L2_DV_BT_CAP_PROGRESSIVE;
- return 0;
-}
-
-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_timings = hdmi_s_dv_timings,
- .g_dv_timings = hdmi_g_dv_timings,
- .s_stream = hdmi_s_stream,
-};
-
-static const struct v4l2_subdev_pad_ops hdmi_sd_pad_ops = {
- .enum_dv_timings = hdmi_enum_dv_timings,
- .dv_timings_cap = hdmi_dv_timings_cap,
- .get_fmt = hdmi_get_fmt,
-};
-
-static const struct v4l2_subdev_ops hdmi_sd_ops = {
- .core = &hdmi_sd_core_ops,
- .video = &hdmi_sd_video_ops,
- .pad = &hdmi_sd_pad_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__);
- v4l2_subdev_call(hdev->mhl_sd, core, s_power, 0);
- hdmi_resource_poweroff(&hdev->res);
- /* flag that device context is lost */
- hdev->cur_conf_dirty = 1;
- 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;
-
- dev_dbg(dev, "%s\n", __func__);
-
- ret = hdmi_resource_poweron(&hdev->res);
- if (ret < 0)
- return ret;
-
- /* starting MHL */
- ret = v4l2_subdev_call(hdev->mhl_sd, core, s_power, 1);
- if (hdev->mhl_sd && 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_resource_clear_clocks(struct hdmi_resources *res)
-{
- res->hdmi = ERR_PTR(-EINVAL);
- res->sclk_hdmi = ERR_PTR(-EINVAL);
- res->sclk_pixel = ERR_PTR(-EINVAL);
- res->sclk_hdmiphy = ERR_PTR(-EINVAL);
- res->hdmiphy = ERR_PTR(-EINVAL);
-}
-
-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(res->hdmiphy))
- clk_put(res->hdmiphy);
- if (!IS_ERR(res->sclk_hdmiphy))
- clk_put(res->sclk_hdmiphy);
- if (!IS_ERR(res->sclk_pixel))
- clk_put(res->sclk_pixel);
- if (!IS_ERR(res->sclk_hdmi))
- clk_put(res->sclk_hdmi);
- if (!IS_ERR(res->hdmi))
- clk_put(res->hdmi);
- memset(res, 0, sizeof(*res));
- hdmi_resource_clear_clocks(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));
- hdmi_resource_clear_clocks(res);
-
- /* get clocks, power */
- res->hdmi = clk_get(dev, "hdmi");
- if (IS_ERR(res->hdmi)) {
- dev_err(dev, "failed to get clock 'hdmi'\n");
- goto fail;
- }
- res->sclk_hdmi = clk_get(dev, "sclk_hdmi");
- if (IS_ERR(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(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(res->sclk_hdmiphy)) {
- dev_err(dev, "failed to get clock 'sclk_hdmiphy'\n");
- goto fail;
- }
- res->hdmiphy = clk_get(dev, "hdmiphy");
- if (IS_ERR(res->hdmiphy)) {
- dev_err(dev, "failed to get clock 'hdmiphy'\n");
- goto fail;
- }
- res->regul_bulk = kcalloc(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 hdmi_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct resource *res;
- struct i2c_adapter *adapter;
- struct v4l2_subdev *sd;
- struct hdmi_device *hdmi_dev = NULL;
- struct s5p_hdmi_platform_data *pdata = dev->platform_data;
- int ret;
-
- dev_dbg(dev, "probe start\n");
-
- if (!pdata) {
- dev_err(dev, "platform data is missing\n");
- ret = -ENODEV;
- goto fail;
- }
-
- hdmi_dev = devm_kzalloc(&pdev->dev, 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;
-
- /* 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 = devm_ioremap(&pdev->dev, res->start,
- resource_size(res));
- if (hdmi_dev->regs == NULL) {
- dev_err(dev, "register mapping failed.\n");
- ret = -ENXIO;
- goto fail_init;
- }
-
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
- dev_err(dev, "get interrupt resource failed.\n");
- ret = -ENXIO;
- goto fail_init;
- }
-
- ret = devm_request_irq(&pdev->dev, res->start, hdmi_irq_handler, 0,
- "hdmi", hdmi_dev);
- if (ret) {
- dev_err(dev, "request interrupt failed.\n");
- goto fail_init;
- }
- 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_init;
- }
-
- /* testing if hdmiphy info is present */
- if (!pdata->hdmiphy_info) {
- dev_err(dev, "hdmiphy info is missing in platform data\n");
- ret = -ENXIO;
- goto fail_vdev;
- }
-
- adapter = i2c_get_adapter(pdata->hdmiphy_bus);
- if (adapter == NULL) {
- dev_err(dev, "hdmiphy adapter request failed\n");
- ret = -ENXIO;
- goto fail_vdev;
- }
-
- hdmi_dev->phy_sd = v4l2_i2c_new_subdev_board(&hdmi_dev->v4l2_dev,
- adapter, pdata->hdmiphy_info, NULL);
- /* on failure or not adapter is no longer useful */
- i2c_put_adapter(adapter);
- if (hdmi_dev->phy_sd == NULL) {
- dev_err(dev, "missing subdev for hdmiphy\n");
- ret = -ENODEV;
- goto fail_vdev;
- }
-
- /* initialization of MHL interface if present */
- if (pdata->mhl_info) {
- adapter = i2c_get_adapter(pdata->mhl_bus);
- if (adapter == NULL) {
- dev_err(dev, "MHL adapter request failed\n");
- ret = -ENXIO;
- goto fail_vdev;
- }
-
- hdmi_dev->mhl_sd = v4l2_i2c_new_subdev_board(
- &hdmi_dev->v4l2_dev, adapter,
- pdata->mhl_info, NULL);
- /* on failure or not adapter is no longer useful */
- i2c_put_adapter(adapter);
- if (hdmi_dev->mhl_sd == NULL) {
- dev_err(dev, "missing subdev for MHL\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_timings =
- hdmi_timings[HDMI_DEFAULT_TIMINGS_IDX].dv_timings;
- /* FIXME: missing fail timings is not supported */
- hdmi_dev->cur_conf =
- hdmi_timings[HDMI_DEFAULT_TIMINGS_IDX].hdmi_timings;
- hdmi_dev->cur_conf_dirty = 1;
-
- /* storing subdev for call that have only access to struct device */
- dev_set_drvdata(dev, sd);
-
- dev_info(dev, "probe successful\n");
-
- return 0;
-
-fail_vdev:
- v4l2_device_unregister(&hdmi_dev->v4l2_dev);
-
-fail_init:
- hdmi_resources_cleanup(hdmi_dev);
-
-fail:
- dev_err(dev, "probe failed\n");
- return ret;
-}
-
-static int 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);
- hdmi_resources_cleanup(hdmi_dev);
- dev_info(dev, "remove successful\n");
-
- return 0;
-}
-
-static struct platform_driver hdmi_driver __refdata = {
- .probe = hdmi_probe,
- .remove = hdmi_remove,
- .id_table = hdmi_driver_types,
- .driver = {
- .name = "s5p-hdmi",
- .pm = &hdmi_pm_ops,
- }
-};
-
-module_platform_driver(hdmi_driver);
+++ /dev/null
-/*
- * Samsung HDMI Physical interface driver
- *
- * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd
- * Author: Tomasz Stanislawski <t.stanislaws@samsung.com>
- *
- * 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@samsung.com>");
-MODULE_DESCRIPTION("Samsung HDMI Physical interface driver");
-MODULE_LICENSE("GPL");
-
-struct hdmiphy_conf {
- unsigned long pixclk;
- const u8 *data;
-};
-
-struct hdmiphy_ctx {
- struct v4l2_subdev sd;
- const struct hdmiphy_conf *conf_tab;
-};
-
-static const struct hdmiphy_conf hdmiphy_conf_s5pv210[] = {
- { .pixclk = 27000000, .data = (u8 [32]) {
- 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
- 0x6B, 0x10, 0x02, 0x52, 0xDF, 0xF2, 0x54, 0x87,
- 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
- 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00, }
- },
- { .pixclk = 27027000, .data = (u8 [32]) {
- 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
- 0x6B, 0x10, 0x02, 0x52, 0xDF, 0xF2, 0x54, 0x87,
- 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
- 0x22, 0x40, 0xE2, 0x26, 0x00, 0x00, 0x00, 0x00, }
- },
- { .pixclk = 74176000, .data = (u8 [32]) {
- 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xEF, 0x5B,
- 0x6D, 0x10, 0x01, 0x52, 0xEF, 0xF3, 0x54, 0xB9,
- 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
- 0x22, 0x40, 0xA5, 0x26, 0x01, 0x00, 0x00, 0x00, }
- },
- { .pixclk = 74250000, .data = (u8 [32]) {
- 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xF8, 0x40,
- 0x6A, 0x10, 0x01, 0x52, 0xFF, 0xF1, 0x54, 0xBA,
- 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
- 0x22, 0x40, 0xA4, 0x26, 0x01, 0x00, 0x00, 0x00, }
- },
- { /* end marker */ }
-};
-
-static const struct hdmiphy_conf hdmiphy_conf_exynos4210[] = {
- { .pixclk = 27000000, .data = (u8 [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, }
- },
- { .pixclk = 27027000, .data = (u8 [32]) {
- 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
- 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
- 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
- 0x22, 0x40, 0xE2, 0x26, 0x00, 0x00, 0x00, 0x00, }
- },
- { .pixclk = 74176000, .data = (u8 [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, }
- },
- { .pixclk = 74250000, .data = (u8 [32]) {
- 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xF8, 0x40,
- 0x6A, 0x10, 0x01, 0x51, 0xFF, 0xF1, 0x54, 0xBA,
- 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
- 0x22, 0x40, 0xA4, 0x26, 0x01, 0x00, 0x00, 0x00, }
- },
- { .pixclk = 148352000, .data = (u8 [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,
- 0x11, 0x40, 0xA5, 0x26, 0x02, 0x00, 0x00, 0x00, }
- },
- { .pixclk = 148500000, .data = (u8 [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,
- 0x11, 0x40, 0xA4, 0x26, 0x02, 0x00, 0x00, 0x00, }
- },
- { /* end marker */ }
-};
-
-static const struct hdmiphy_conf hdmiphy_conf_exynos4212[] = {
- { .pixclk = 27000000, .data = (u8 [32]) {
- 0x01, 0x11, 0x2D, 0x75, 0x00, 0x01, 0x00, 0x08,
- 0x82, 0x00, 0x0E, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
- 0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x71,
- 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
- },
- { .pixclk = 27027000, .data = (u8 [32]) {
- 0x01, 0x91, 0x2D, 0x72, 0x00, 0x64, 0x12, 0x08,
- 0x43, 0x20, 0x0E, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
- 0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x71,
- 0x54, 0xE2, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
- },
- { .pixclk = 74176000, .data = (u8 [32]) {
- 0x01, 0x91, 0x3E, 0x35, 0x00, 0x5B, 0xDE, 0x08,
- 0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
- 0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x52,
- 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
- },
- { .pixclk = 74250000, .data = (u8 [32]) {
- 0x01, 0x91, 0x3E, 0x35, 0x00, 0x40, 0xF0, 0x08,
- 0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
- 0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x52,
- 0x54, 0xA4, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
- },
- { .pixclk = 148500000, .data = (u8 [32]) {
- 0x01, 0x91, 0x3E, 0x15, 0x00, 0x40, 0xF0, 0x08,
- 0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
- 0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0xA4,
- 0x54, 0x4A, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00, }
- },
- { /* end marker */ }
-};
-
-static const struct hdmiphy_conf hdmiphy_conf_exynos4412[] = {
- { .pixclk = 27000000, .data = (u8 [32]) {
- 0x01, 0x11, 0x2D, 0x75, 0x40, 0x01, 0x00, 0x08,
- 0x82, 0x00, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
- 0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
- 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
- },
- { .pixclk = 27027000, .data = (u8 [32]) {
- 0x01, 0x91, 0x2D, 0x72, 0x40, 0x64, 0x12, 0x08,
- 0x43, 0x20, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
- 0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
- 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
- },
- { .pixclk = 74176000, .data = (u8 [32]) {
- 0x01, 0x91, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0x08,
- 0x81, 0x20, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
- 0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
- 0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
- },
- { .pixclk = 74250000, .data = (u8 [32]) {
- 0x01, 0x91, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
- 0x81, 0x20, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
- 0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
- 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
- },
- { .pixclk = 148500000, .data = (u8 [32]) {
- 0x01, 0x91, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
- 0x81, 0x20, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
- 0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
- 0x54, 0x4B, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00, }
- },
- { /* end marker */ }
-};
-
-static inline struct hdmiphy_ctx *sd_to_ctx(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct hdmiphy_ctx, sd);
-}
-
-static const u8 *hdmiphy_find_conf(unsigned long pixclk,
- const struct hdmiphy_conf *conf)
-{
- for (; conf->pixclk; ++conf)
- if (conf->pixclk == pixclk)
- return conf->data;
- return NULL;
-}
-
-static int hdmiphy_s_power(struct v4l2_subdev *sd, int on)
-{
- /* to be implemented */
- return 0;
-}
-
-static int hdmiphy_s_dv_timings(struct v4l2_subdev *sd,
- struct v4l2_dv_timings *timings)
-{
- const u8 *data;
- u8 buffer[32];
- int ret;
- struct hdmiphy_ctx *ctx = sd_to_ctx(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct device *dev = &client->dev;
- unsigned long pixclk = timings->bt.pixelclock;
-
- dev_info(dev, "s_dv_timings\n");
- if ((timings->bt.flags & V4L2_DV_FL_REDUCED_FPS) && pixclk == 74250000)
- pixclk = 74176000;
- data = hdmiphy_find_conf(pixclk, ctx->conf_tab);
- 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_dv_timings_cap(struct v4l2_subdev *sd,
- struct v4l2_dv_timings_cap *cap)
-{
- if (cap->pad != 0)
- return -EINVAL;
-
- cap->type = V4L2_DV_BT_656_1120;
- /* The phy only determines the pixelclock, leave the other values
- * at 0 to signify that we have no information for them. */
- cap->bt.min_pixelclock = 27000000;
- cap->bt.max_pixelclock = 148500000;
- 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_timings = hdmiphy_s_dv_timings,
- .s_stream = hdmiphy_s_stream,
-};
-
-static const struct v4l2_subdev_pad_ops hdmiphy_pad_ops = {
- .dv_timings_cap = hdmiphy_dv_timings_cap,
-};
-
-static const struct v4l2_subdev_ops hdmiphy_ops = {
- .core = &hdmiphy_core_ops,
- .video = &hdmiphy_video_ops,
- .pad = &hdmiphy_pad_ops,
-};
-
-static int hdmiphy_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct hdmiphy_ctx *ctx;
-
- ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
-
- ctx->conf_tab = (struct hdmiphy_conf *)id->driver_data;
- v4l2_i2c_subdev_init(&ctx->sd, client, &hdmiphy_ops);
-
- dev_info(&client->dev, "probe successful\n");
- return 0;
-}
-
-static int hdmiphy_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct hdmiphy_ctx *ctx = sd_to_ctx(sd);
-
- kfree(ctx);
- dev_info(&client->dev, "remove successful\n");
-
- return 0;
-}
-
-static const struct i2c_device_id hdmiphy_id[] = {
- { "hdmiphy", (unsigned long)hdmiphy_conf_exynos4210 },
- { "hdmiphy-s5pv210", (unsigned long)hdmiphy_conf_s5pv210 },
- { "hdmiphy-exynos4210", (unsigned long)hdmiphy_conf_exynos4210 },
- { "hdmiphy-exynos4212", (unsigned long)hdmiphy_conf_exynos4212 },
- { "hdmiphy-exynos4412", (unsigned long)hdmiphy_conf_exynos4412 },
- { },
-};
-MODULE_DEVICE_TABLE(i2c, hdmiphy_id);
-
-static struct i2c_driver hdmiphy_driver = {
- .driver = {
- .name = "s5p-hdmiphy",
- },
- .probe = hdmiphy_probe,
- .remove = hdmiphy_remove,
- .id_table = hdmiphy_id,
-};
-
-module_i2c_driver(hdmiphy_driver);
+++ /dev/null
-/*
- * Samsung TV Mixer driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.com>
- *
- * 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
- */
-
-#ifndef SAMSUNG_MIXER_H
-#define SAMSUNG_MIXER_H
-
-#ifdef CONFIG_VIDEO_SAMSUNG_S5P_MIXER_DEBUG
- #define DEBUG
-#endif
-
-#include <linux/fb.h>
-#include <linux/irqreturn.h>
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
-#include <linux/wait.h>
-#include <media/v4l2-device.h>
-#include <media/videobuf2-v4l2.h>
-
-#include "regs-mixer.h"
-
-/** maximum number of output interfaces */
-#define MXR_MAX_OUTPUTS 2
-/** maximum number of input interfaces (layers) */
-#define MXR_MAX_LAYERS 3
-#define MXR_DRIVER_NAME "s5p-mixer"
-/** maximal number of planes for every layer */
-#define MXR_MAX_PLANES 2
-
-#define MXR_ENABLE 1
-#define MXR_DISABLE 0
-
-/** description of a macroblock for packed formats */
-struct mxr_block {
- /** vertical number of pixels in macroblock */
- unsigned int width;
- /** horizontal number of pixels in macroblock */
- unsigned int height;
- /** size of block in bytes */
- unsigned int size;
-};
-
-/** description of supported format */
-struct mxr_format {
- /** format name/mnemonic */
- const char *name;
- /** fourcc identifier */
- u32 fourcc;
- /** colorspace identifier */
- enum v4l2_colorspace colorspace;
- /** number of planes in image data */
- int num_planes;
- /** description of block for each plane */
- struct mxr_block plane[MXR_MAX_PLANES];
- /** number of subframes in image data */
- int num_subframes;
- /** specifies to which subframe belong given plane */
- int plane2subframe[MXR_MAX_PLANES];
- /** internal code, driver dependent */
- unsigned long cookie;
-};
-
-/** description of crop configuration for image */
-struct mxr_crop {
- /** width of layer in pixels */
- unsigned int full_width;
- /** height of layer in pixels */
- unsigned int full_height;
- /** horizontal offset of first pixel to be displayed */
- unsigned int x_offset;
- /** vertical offset of first pixel to be displayed */
- unsigned int y_offset;
- /** width of displayed data in pixels */
- unsigned int width;
- /** height of displayed data in pixels */
- unsigned int height;
- /** indicate which fields are present in buffer */
- unsigned int field;
-};
-
-/** stages of geometry operations */
-enum mxr_geometry_stage {
- MXR_GEOMETRY_SINK,
- MXR_GEOMETRY_COMPOSE,
- MXR_GEOMETRY_CROP,
- MXR_GEOMETRY_SOURCE,
-};
-
-/* flag indicating that offset should be 0 */
-#define MXR_NO_OFFSET 0x80000000
-
-/** description of transformation from source to destination image */
-struct mxr_geometry {
- /** cropping for source image */
- struct mxr_crop src;
- /** cropping for destination image */
- struct mxr_crop dst;
- /** layer-dependant description of horizontal scaling */
- unsigned int x_ratio;
- /** layer-dependant description of vertical scaling */
- unsigned int y_ratio;
-};
-
-/** instance of a buffer */
-struct mxr_buffer {
- /** common v4l buffer stuff -- must be first */
- struct vb2_v4l2_buffer vb;
- /** node for layer's lists */
- struct list_head list;
-};
-
-
-/** internal states of layer */
-enum mxr_layer_state {
- /** layers is not shown */
- MXR_LAYER_IDLE = 0,
- /** layer is shown */
- MXR_LAYER_STREAMING,
- /** state before STREAMOFF is finished */
- MXR_LAYER_STREAMING_FINISH,
-};
-
-/** forward declarations */
-struct mxr_device;
-struct mxr_layer;
-
-/** callback for layers operation */
-struct mxr_layer_ops {
- /* TODO: try to port it to subdev API */
- /** handler for resource release function */
- void (*release)(struct mxr_layer *);
- /** setting buffer to HW */
- void (*buffer_set)(struct mxr_layer *, struct mxr_buffer *);
- /** setting format and geometry in HW */
- void (*format_set)(struct mxr_layer *);
- /** streaming stop/start */
- void (*stream_set)(struct mxr_layer *, int);
- /** adjusting geometry */
- void (*fix_geometry)(struct mxr_layer *,
- enum mxr_geometry_stage, unsigned long);
-};
-
-/** layer instance, a single window and content displayed on output */
-struct mxr_layer {
- /** parent mixer device */
- struct mxr_device *mdev;
- /** layer index (unique identifier) */
- int idx;
- /** callbacks for layer methods */
- struct mxr_layer_ops ops;
- /** format array */
- const struct mxr_format **fmt_array;
- /** size of format array */
- unsigned long fmt_array_size;
-
- /** lock for protection of list and state fields */
- spinlock_t enq_slock;
- /** list for enqueued buffers */
- struct list_head enq_list;
- /** buffer currently owned by hardware in temporary registers */
- struct mxr_buffer *update_buf;
- /** buffer currently owned by hardware in shadow registers */
- struct mxr_buffer *shadow_buf;
- /** state of layer IDLE/STREAMING */
- enum mxr_layer_state state;
-
- /** mutex for protection of fields below */
- struct mutex mutex;
- /** handler for video node */
- struct video_device vfd;
- /** queue for output buffers */
- struct vb2_queue vb_queue;
- /** current image format */
- const struct mxr_format *fmt;
- /** current geometry of image */
- struct mxr_geometry geo;
-};
-
-/** description of mixers output interface */
-struct mxr_output {
- /** name of output */
- char name[32];
- /** output subdev */
- struct v4l2_subdev *sd;
- /** cookie used for configuration of registers */
- int cookie;
-};
-
-/** specify source of output subdevs */
-struct mxr_output_conf {
- /** name of output (connector) */
- char *output_name;
- /** name of module that generates output subdev */
- char *module_name;
- /** cookie need for mixer HW */
- int cookie;
-};
-
-struct clk;
-struct regulator;
-
-/** auxiliary resources used my mixer */
-struct mxr_resources {
- /** interrupt index */
- int irq;
- /** pointer to Mixer registers */
- void __iomem *mxr_regs;
- /** pointer to Video Processor registers */
- void __iomem *vp_regs;
- /** other resources, should used under mxr_device.mutex */
- struct clk *mixer;
- struct clk *vp;
- struct clk *sclk_mixer;
- struct clk *sclk_hdmi;
- struct clk *sclk_dac;
-};
-
-/* event flags used */
-enum mxr_devide_flags {
- MXR_EVENT_VSYNC = 0,
- MXR_EVENT_TOP = 1,
-};
-
-/** drivers instance */
-struct mxr_device {
- /** master device */
- struct device *dev;
- /** state of each layer */
- struct mxr_layer *layer[MXR_MAX_LAYERS];
- /** state of each output */
- struct mxr_output *output[MXR_MAX_OUTPUTS];
- /** number of registered outputs */
- int output_cnt;
-
- /* video resources */
-
- /** V4L2 device */
- struct v4l2_device v4l2_dev;
- /** event wait queue */
- wait_queue_head_t event_queue;
- /** state flags */
- unsigned long event_flags;
-
- /** spinlock for protection of registers */
- spinlock_t reg_slock;
-
- /** mutex for protection of fields below */
- struct mutex mutex;
- /** number of entities depndant on output configuration */
- int n_output;
- /** number of users that do streaming */
- int n_streamer;
- /** index of current output */
- int current_output;
- /** auxiliary resources used my mixer */
- struct mxr_resources res;
-};
-
-/** transform device structure into mixer device */
-static inline struct mxr_device *to_mdev(struct device *dev)
-{
- struct v4l2_device *vdev = dev_get_drvdata(dev);
- return container_of(vdev, struct mxr_device, v4l2_dev);
-}
-
-/** get current output data, should be called under mdev's mutex */
-static inline struct mxr_output *to_output(struct mxr_device *mdev)
-{
- return mdev->output[mdev->current_output];
-}
-
-/** get current output subdev, should be called under mdev's mutex */
-static inline struct v4l2_subdev *to_outsd(struct mxr_device *mdev)
-{
- struct mxr_output *out = to_output(mdev);
- return out ? out->sd : NULL;
-}
-
-/** forward declaration for mixer platform data */
-struct mxr_platform_data;
-
-/** acquiring common video resources */
-int mxr_acquire_video(struct mxr_device *mdev,
- struct mxr_output_conf *output_cont, int output_count);
-
-/** releasing common video resources */
-void mxr_release_video(struct mxr_device *mdev);
-
-struct mxr_layer *mxr_graph_layer_create(struct mxr_device *mdev, int idx);
-struct mxr_layer *mxr_vp_layer_create(struct mxr_device *mdev, int idx);
-struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev,
- int idx, char *name, const struct mxr_layer_ops *ops);
-
-void mxr_base_layer_release(struct mxr_layer *layer);
-void mxr_layer_release(struct mxr_layer *layer);
-
-int mxr_base_layer_register(struct mxr_layer *layer);
-void mxr_base_layer_unregister(struct mxr_layer *layer);
-
-unsigned long mxr_get_plane_size(const struct mxr_block *blk,
- unsigned int width, unsigned int height);
-
-/** adds new consumer for mixer's power */
-int __must_check mxr_power_get(struct mxr_device *mdev);
-/** removes consumer for mixer's power */
-void mxr_power_put(struct mxr_device *mdev);
-/** add new client for output configuration */
-void mxr_output_get(struct mxr_device *mdev);
-/** removes new client for output configuration */
-void mxr_output_put(struct mxr_device *mdev);
-/** add new client for streaming */
-void mxr_streamer_get(struct mxr_device *mdev);
-/** removes new client for streaming */
-void mxr_streamer_put(struct mxr_device *mdev);
-/** returns format of data delivared to current output */
-void mxr_get_mbus_fmt(struct mxr_device *mdev,
- struct v4l2_mbus_framefmt *mbus_fmt);
-
-/* Debug */
-
-#define mxr_err(mdev, fmt, ...) dev_err(mdev->dev, fmt, ##__VA_ARGS__)
-#define mxr_warn(mdev, fmt, ...) dev_warn(mdev->dev, fmt, ##__VA_ARGS__)
-#define mxr_info(mdev, fmt, ...) dev_info(mdev->dev, fmt, ##__VA_ARGS__)
-
-#ifdef CONFIG_VIDEO_SAMSUNG_S5P_MIXER_DEBUG
- #define mxr_dbg(mdev, fmt, ...) dev_dbg(mdev->dev, fmt, ##__VA_ARGS__)
-#else
- #define mxr_dbg(mdev, fmt, ...) do { (void) mdev; } while (0)
-#endif
-
-/* accessing Mixer's and Video Processor's registers */
-
-void mxr_vsync_set_update(struct mxr_device *mdev, int en);
-void mxr_reg_reset(struct mxr_device *mdev);
-irqreturn_t mxr_irq_handler(int irq, void *dev_data);
-void mxr_reg_s_output(struct mxr_device *mdev, int cookie);
-void mxr_reg_streamon(struct mxr_device *mdev);
-void mxr_reg_streamoff(struct mxr_device *mdev);
-int mxr_reg_wait4vsync(struct mxr_device *mdev);
-void mxr_reg_set_mbus_fmt(struct mxr_device *mdev,
- struct v4l2_mbus_framefmt *fmt);
-void mxr_reg_graph_layer_stream(struct mxr_device *mdev, int idx, int en);
-void mxr_reg_graph_buffer(struct mxr_device *mdev, int idx, dma_addr_t addr);
-void mxr_reg_graph_format(struct mxr_device *mdev, int idx,
- const struct mxr_format *fmt, const struct mxr_geometry *geo);
-
-void mxr_reg_vp_layer_stream(struct mxr_device *mdev, int en);
-void mxr_reg_vp_buffer(struct mxr_device *mdev,
- dma_addr_t luma_addr[2], dma_addr_t chroma_addr[2]);
-void mxr_reg_vp_format(struct mxr_device *mdev,
- const struct mxr_format *fmt, const struct mxr_geometry *geo);
-void mxr_reg_dump(struct mxr_device *mdev);
-
-#endif /* SAMSUNG_MIXER_H */
-
+++ /dev/null
-/*
- * Samsung TV Mixer driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.com>
- *
- * 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
- */
-
-#include "mixer.h"
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/fb.h>
-#include <linux/delay.h>
-#include <linux/pm_runtime.h>
-#include <linux/clk.h>
-
-MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>");
-MODULE_DESCRIPTION("Samsung MIXER");
-MODULE_LICENSE("GPL");
-
-/* --------- DRIVER PARAMETERS ---------- */
-
-static struct mxr_output_conf mxr_output_conf[] = {
- {
- .output_name = "S5P HDMI connector",
- .module_name = "s5p-hdmi",
- .cookie = 1,
- },
- {
- .output_name = "S5P SDO connector",
- .module_name = "s5p-sdo",
- .cookie = 0,
- },
-};
-
-void mxr_get_mbus_fmt(struct mxr_device *mdev,
- struct v4l2_mbus_framefmt *mbus_fmt)
-{
- struct v4l2_subdev *sd;
- struct v4l2_subdev_format fmt = {
- .which = V4L2_SUBDEV_FORMAT_ACTIVE,
- };
- int ret;
-
- mutex_lock(&mdev->mutex);
- sd = to_outsd(mdev);
- ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt);
- *mbus_fmt = fmt.format;
- WARN(ret, "failed to get mbus_fmt for output %s\n", sd->name);
- mutex_unlock(&mdev->mutex);
-}
-
-void mxr_streamer_get(struct mxr_device *mdev)
-{
- mutex_lock(&mdev->mutex);
- ++mdev->n_streamer;
- mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_streamer);
- if (mdev->n_streamer == 1) {
- struct v4l2_subdev *sd = to_outsd(mdev);
- struct v4l2_subdev_format fmt = {
- .which = V4L2_SUBDEV_FORMAT_ACTIVE,
- };
- struct v4l2_mbus_framefmt *mbus_fmt = &fmt.format;
- struct mxr_resources *res = &mdev->res;
- int ret;
-
- if (to_output(mdev)->cookie == 0)
- clk_set_parent(res->sclk_mixer, res->sclk_dac);
- else
- clk_set_parent(res->sclk_mixer, res->sclk_hdmi);
- mxr_reg_s_output(mdev, to_output(mdev)->cookie);
-
- ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt);
- WARN(ret, "failed to get mbus_fmt for output %s\n", sd->name);
- ret = v4l2_subdev_call(sd, video, s_stream, 1);
- WARN(ret, "starting stream failed for output %s\n", sd->name);
-
- mxr_reg_set_mbus_fmt(mdev, mbus_fmt);
- mxr_reg_streamon(mdev);
- ret = mxr_reg_wait4vsync(mdev);
- WARN(ret, "failed to get vsync (%d) from output\n", ret);
- }
- mutex_unlock(&mdev->mutex);
- mxr_reg_dump(mdev);
- /* FIXME: what to do when streaming fails? */
-}
-
-void mxr_streamer_put(struct mxr_device *mdev)
-{
- mutex_lock(&mdev->mutex);
- --mdev->n_streamer;
- mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_streamer);
- if (mdev->n_streamer == 0) {
- int ret;
- struct v4l2_subdev *sd = to_outsd(mdev);
-
- mxr_reg_streamoff(mdev);
- /* vsync applies Mixer setup */
- ret = mxr_reg_wait4vsync(mdev);
- WARN(ret, "failed to get vsync (%d) from output\n", ret);
- ret = v4l2_subdev_call(sd, video, s_stream, 0);
- WARN(ret, "stopping stream failed for output %s\n", sd->name);
- }
- WARN(mdev->n_streamer < 0, "negative number of streamers (%d)\n",
- mdev->n_streamer);
- mutex_unlock(&mdev->mutex);
- mxr_reg_dump(mdev);
-}
-
-void mxr_output_get(struct mxr_device *mdev)
-{
- mutex_lock(&mdev->mutex);
- ++mdev->n_output;
- mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_output);
- /* turn on auxiliary driver */
- if (mdev->n_output == 1)
- v4l2_subdev_call(to_outsd(mdev), core, s_power, 1);
- mutex_unlock(&mdev->mutex);
-}
-
-void mxr_output_put(struct mxr_device *mdev)
-{
- mutex_lock(&mdev->mutex);
- --mdev->n_output;
- mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_output);
- /* turn on auxiliary driver */
- if (mdev->n_output == 0)
- v4l2_subdev_call(to_outsd(mdev), core, s_power, 0);
- WARN(mdev->n_output < 0, "negative number of output users (%d)\n",
- mdev->n_output);
- mutex_unlock(&mdev->mutex);
-}
-
-int mxr_power_get(struct mxr_device *mdev)
-{
- int ret = pm_runtime_get_sync(mdev->dev);
-
- /* returning 1 means that power is already enabled,
- * so zero success be returned */
- if (ret < 0)
- return ret;
- return 0;
-}
-
-void mxr_power_put(struct mxr_device *mdev)
-{
- pm_runtime_put_sync(mdev->dev);
-}
-
-/* --------- RESOURCE MANAGEMENT -------------*/
-
-static int mxr_acquire_plat_resources(struct mxr_device *mdev,
- struct platform_device *pdev)
-{
- struct resource *res;
- int ret;
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mxr");
- if (res == NULL) {
- mxr_err(mdev, "get memory resource failed.\n");
- ret = -ENXIO;
- goto fail;
- }
-
- mdev->res.mxr_regs = ioremap(res->start, resource_size(res));
- if (mdev->res.mxr_regs == NULL) {
- mxr_err(mdev, "register mapping failed.\n");
- ret = -ENXIO;
- goto fail;
- }
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vp");
- if (res == NULL) {
- mxr_err(mdev, "get memory resource failed.\n");
- ret = -ENXIO;
- goto fail_mxr_regs;
- }
-
- mdev->res.vp_regs = ioremap(res->start, resource_size(res));
- if (mdev->res.vp_regs == NULL) {
- mxr_err(mdev, "register mapping failed.\n");
- ret = -ENXIO;
- goto fail_mxr_regs;
- }
-
- res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "irq");
- if (res == NULL) {
- mxr_err(mdev, "get interrupt resource failed.\n");
- ret = -ENXIO;
- goto fail_vp_regs;
- }
-
- ret = request_irq(res->start, mxr_irq_handler, 0, "s5p-mixer", mdev);
- if (ret) {
- mxr_err(mdev, "request interrupt failed.\n");
- goto fail_vp_regs;
- }
- mdev->res.irq = res->start;
-
- return 0;
-
-fail_vp_regs:
- iounmap(mdev->res.vp_regs);
-
-fail_mxr_regs:
- iounmap(mdev->res.mxr_regs);
-
-fail:
- return ret;
-}
-
-static void mxr_resource_clear_clocks(struct mxr_resources *res)
-{
- res->mixer = ERR_PTR(-EINVAL);
- res->vp = ERR_PTR(-EINVAL);
- res->sclk_mixer = ERR_PTR(-EINVAL);
- res->sclk_hdmi = ERR_PTR(-EINVAL);
- res->sclk_dac = ERR_PTR(-EINVAL);
-}
-
-static void mxr_release_plat_resources(struct mxr_device *mdev)
-{
- free_irq(mdev->res.irq, mdev);
- iounmap(mdev->res.vp_regs);
- iounmap(mdev->res.mxr_regs);
-}
-
-static void mxr_release_clocks(struct mxr_device *mdev)
-{
- struct mxr_resources *res = &mdev->res;
-
- if (!IS_ERR(res->sclk_dac))
- clk_put(res->sclk_dac);
- if (!IS_ERR(res->sclk_hdmi))
- clk_put(res->sclk_hdmi);
- if (!IS_ERR(res->sclk_mixer))
- clk_put(res->sclk_mixer);
- if (!IS_ERR(res->vp))
- clk_put(res->vp);
- if (!IS_ERR(res->mixer))
- clk_put(res->mixer);
-}
-
-static int mxr_acquire_clocks(struct mxr_device *mdev)
-{
- struct mxr_resources *res = &mdev->res;
- struct device *dev = mdev->dev;
-
- mxr_resource_clear_clocks(res);
-
- res->mixer = clk_get(dev, "mixer");
- if (IS_ERR(res->mixer)) {
- mxr_err(mdev, "failed to get clock 'mixer'\n");
- goto fail;
- }
- res->vp = clk_get(dev, "vp");
- if (IS_ERR(res->vp)) {
- mxr_err(mdev, "failed to get clock 'vp'\n");
- goto fail;
- }
- res->sclk_mixer = clk_get(dev, "sclk_mixer");
- if (IS_ERR(res->sclk_mixer)) {
- mxr_err(mdev, "failed to get clock 'sclk_mixer'\n");
- goto fail;
- }
- res->sclk_hdmi = clk_get(dev, "sclk_hdmi");
- if (IS_ERR(res->sclk_hdmi)) {
- mxr_err(mdev, "failed to get clock 'sclk_hdmi'\n");
- goto fail;
- }
- res->sclk_dac = clk_get(dev, "sclk_dac");
- if (IS_ERR(res->sclk_dac)) {
- mxr_err(mdev, "failed to get clock 'sclk_dac'\n");
- goto fail;
- }
-
- return 0;
-fail:
- mxr_release_clocks(mdev);
- return -ENODEV;
-}
-
-static int mxr_acquire_resources(struct mxr_device *mdev,
- struct platform_device *pdev)
-{
- int ret;
- ret = mxr_acquire_plat_resources(mdev, pdev);
-
- if (ret)
- goto fail;
-
- ret = mxr_acquire_clocks(mdev);
- if (ret)
- goto fail_plat;
-
- mxr_info(mdev, "resources acquired\n");
- return 0;
-
-fail_plat:
- mxr_release_plat_resources(mdev);
-fail:
- mxr_err(mdev, "resources acquire failed\n");
- return ret;
-}
-
-static void mxr_release_resources(struct mxr_device *mdev)
-{
- mxr_release_clocks(mdev);
- mxr_release_plat_resources(mdev);
- memset(&mdev->res, 0, sizeof(mdev->res));
- mxr_resource_clear_clocks(&mdev->res);
-}
-
-static void mxr_release_layers(struct mxr_device *mdev)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(mdev->layer); ++i)
- if (mdev->layer[i])
- mxr_layer_release(mdev->layer[i]);
-}
-
-static int mxr_acquire_layers(struct mxr_device *mdev,
- struct mxr_platform_data *pdata)
-{
- mdev->layer[0] = mxr_graph_layer_create(mdev, 0);
- mdev->layer[1] = mxr_graph_layer_create(mdev, 1);
- mdev->layer[2] = mxr_vp_layer_create(mdev, 0);
-
- if (!mdev->layer[0] || !mdev->layer[1] || !mdev->layer[2]) {
- mxr_err(mdev, "failed to acquire layers\n");
- goto fail;
- }
-
- return 0;
-
-fail:
- mxr_release_layers(mdev);
- return -ENODEV;
-}
-
-/* ---------- POWER MANAGEMENT ----------- */
-
-static int mxr_runtime_resume(struct device *dev)
-{
- struct mxr_device *mdev = to_mdev(dev);
- struct mxr_resources *res = &mdev->res;
- int ret;
-
- mxr_dbg(mdev, "resume - start\n");
- mutex_lock(&mdev->mutex);
- /* turn clocks on */
- ret = clk_prepare_enable(res->mixer);
- if (ret < 0) {
- dev_err(mdev->dev, "clk_prepare_enable(mixer) failed\n");
- goto fail;
- }
- ret = clk_prepare_enable(res->vp);
- if (ret < 0) {
- dev_err(mdev->dev, "clk_prepare_enable(vp) failed\n");
- goto fail_mixer;
- }
- ret = clk_prepare_enable(res->sclk_mixer);
- if (ret < 0) {
- dev_err(mdev->dev, "clk_prepare_enable(sclk_mixer) failed\n");
- goto fail_vp;
- }
- /* apply default configuration */
- mxr_reg_reset(mdev);
- mxr_dbg(mdev, "resume - finished\n");
-
- mutex_unlock(&mdev->mutex);
- return 0;
-
-fail_vp:
- clk_disable_unprepare(res->vp);
-fail_mixer:
- clk_disable_unprepare(res->mixer);
-fail:
- mutex_unlock(&mdev->mutex);
- dev_err(mdev->dev, "resume failed\n");
- return ret;
-}
-
-static int mxr_runtime_suspend(struct device *dev)
-{
- struct mxr_device *mdev = to_mdev(dev);
- struct mxr_resources *res = &mdev->res;
- mxr_dbg(mdev, "suspend - start\n");
- mutex_lock(&mdev->mutex);
- /* turn clocks off */
- clk_disable_unprepare(res->sclk_mixer);
- clk_disable_unprepare(res->vp);
- clk_disable_unprepare(res->mixer);
- mutex_unlock(&mdev->mutex);
- mxr_dbg(mdev, "suspend - finished\n");
- return 0;
-}
-
-static const struct dev_pm_ops mxr_pm_ops = {
- .runtime_suspend = mxr_runtime_suspend,
- .runtime_resume = mxr_runtime_resume,
-};
-
-/* --------- DRIVER INITIALIZATION ---------- */
-
-static int mxr_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct mxr_platform_data *pdata = dev->platform_data;
- struct mxr_device *mdev;
- int ret;
-
- /* mdev does not exist yet so no mxr_dbg is used */
- dev_info(dev, "probe start\n");
-
- mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
- if (!mdev) {
- dev_err(dev, "not enough memory.\n");
- ret = -ENOMEM;
- goto fail;
- }
-
- /* setup pointer to master device */
- mdev->dev = dev;
-
- mutex_init(&mdev->mutex);
- spin_lock_init(&mdev->reg_slock);
- init_waitqueue_head(&mdev->event_queue);
-
- /* acquire resources: regs, irqs, clocks, regulators */
- ret = mxr_acquire_resources(mdev, pdev);
- if (ret)
- goto fail_mem;
-
- /* configure resources for video output */
- ret = mxr_acquire_video(mdev, mxr_output_conf,
- ARRAY_SIZE(mxr_output_conf));
- if (ret)
- goto fail_resources;
-
- /* configure layers */
- ret = mxr_acquire_layers(mdev, pdata);
- if (ret)
- goto fail_video;
-
- pm_runtime_enable(dev);
-
- mxr_info(mdev, "probe successful\n");
- return 0;
-
-fail_video:
- mxr_release_video(mdev);
-
-fail_resources:
- mxr_release_resources(mdev);
-
-fail_mem:
- kfree(mdev);
-
-fail:
- dev_info(dev, "probe failed\n");
- return ret;
-}
-
-static int mxr_remove(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct mxr_device *mdev = to_mdev(dev);
-
- pm_runtime_disable(dev);
-
- mxr_release_layers(mdev);
- mxr_release_video(mdev);
- mxr_release_resources(mdev);
-
- kfree(mdev);
-
- dev_info(dev, "remove successful\n");
- return 0;
-}
-
-static struct platform_driver mxr_driver __refdata = {
- .probe = mxr_probe,
- .remove = mxr_remove,
- .driver = {
- .name = MXR_DRIVER_NAME,
- .pm = &mxr_pm_ops,
- }
-};
-
-static int __init mxr_init(void)
-{
- int i, ret;
- static const char banner[] __initconst =
- "Samsung TV Mixer driver, "
- "(c) 2010-2011 Samsung Electronics Co., Ltd.\n";
- pr_info("%s\n", banner);
-
- /* Loading auxiliary modules */
- for (i = 0; i < ARRAY_SIZE(mxr_output_conf); ++i)
- request_module(mxr_output_conf[i].module_name);
-
- ret = platform_driver_register(&mxr_driver);
- if (ret != 0) {
- pr_err("s5p-tv: registration of MIXER driver failed\n");
- return -ENXIO;
- }
-
- return 0;
-}
-module_init(mxr_init);
-
-static void __exit mxr_exit(void)
-{
- platform_driver_unregister(&mxr_driver);
-}
-module_exit(mxr_exit);
+++ /dev/null
-/*
- * Samsung TV Mixer driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.com>
- *
- * 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
- */
-
-#include "mixer.h"
-
-#include <media/videobuf2-dma-contig.h>
-
-/* FORMAT DEFINITIONS */
-
-static const struct mxr_format mxr_fb_fmt_rgb565 = {
- .name = "RGB565",
- .fourcc = V4L2_PIX_FMT_RGB565,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .num_planes = 1,
- .plane = {
- { .width = 1, .height = 1, .size = 2 },
- },
- .num_subframes = 1,
- .cookie = 4,
-};
-
-static const struct mxr_format mxr_fb_fmt_argb1555 = {
- .name = "ARGB1555",
- .num_planes = 1,
- .fourcc = V4L2_PIX_FMT_RGB555,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .plane = {
- { .width = 1, .height = 1, .size = 2 },
- },
- .num_subframes = 1,
- .cookie = 5,
-};
-
-static const struct mxr_format mxr_fb_fmt_argb4444 = {
- .name = "ARGB4444",
- .num_planes = 1,
- .fourcc = V4L2_PIX_FMT_RGB444,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .plane = {
- { .width = 1, .height = 1, .size = 2 },
- },
- .num_subframes = 1,
- .cookie = 6,
-};
-
-static const struct mxr_format mxr_fb_fmt_argb8888 = {
- .name = "ARGB8888",
- .fourcc = V4L2_PIX_FMT_BGR32,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .num_planes = 1,
- .plane = {
- { .width = 1, .height = 1, .size = 4 },
- },
- .num_subframes = 1,
- .cookie = 7,
-};
-
-static const struct mxr_format *mxr_graph_format[] = {
- &mxr_fb_fmt_rgb565,
- &mxr_fb_fmt_argb1555,
- &mxr_fb_fmt_argb4444,
- &mxr_fb_fmt_argb8888,
-};
-
-/* AUXILIARY CALLBACKS */
-
-static void mxr_graph_layer_release(struct mxr_layer *layer)
-{
- mxr_base_layer_unregister(layer);
- mxr_base_layer_release(layer);
-}
-
-static void mxr_graph_buffer_set(struct mxr_layer *layer,
- struct mxr_buffer *buf)
-{
- dma_addr_t addr = 0;
-
- if (buf)
- addr = vb2_dma_contig_plane_dma_addr(&buf->vb.vb2_buf, 0);
- mxr_reg_graph_buffer(layer->mdev, layer->idx, addr);
-}
-
-static void mxr_graph_stream_set(struct mxr_layer *layer, int en)
-{
- mxr_reg_graph_layer_stream(layer->mdev, layer->idx, en);
-}
-
-static void mxr_graph_format_set(struct mxr_layer *layer)
-{
- mxr_reg_graph_format(layer->mdev, layer->idx,
- layer->fmt, &layer->geo);
-}
-
-static inline unsigned int closest(unsigned int x, unsigned int a,
- unsigned int b, unsigned long flags)
-{
- unsigned int mid = (a + b) / 2;
-
- /* choosing closest value with constraints according to table:
- * -------------+-----+-----+-----+-------+
- * flags | 0 | LE | GE | LE|GE |
- * -------------+-----+-----+-----+-------+
- * x <= a | a | a | a | a |
- * a < x <= mid | a | a | b | a |
- * mid < x < b | b | a | b | b |
- * b <= x | b | b | b | b |
- * -------------+-----+-----+-----+-------+
- */
-
- /* remove all non-constraint flags */
- flags &= V4L2_SEL_FLAG_LE | V4L2_SEL_FLAG_GE;
-
- if (x <= a)
- return a;
- if (x >= b)
- return b;
- if (flags == V4L2_SEL_FLAG_LE)
- return a;
- if (flags == V4L2_SEL_FLAG_GE)
- return b;
- if (x <= mid)
- return a;
- return b;
-}
-
-static inline unsigned int do_center(unsigned int center,
- unsigned int size, unsigned int upper, unsigned int flags)
-{
- unsigned int lower;
-
- if (flags & MXR_NO_OFFSET)
- return 0;
-
- lower = center - min(center, size / 2);
- return min(lower, upper - size);
-}
-
-static void mxr_graph_fix_geometry(struct mxr_layer *layer,
- enum mxr_geometry_stage stage, unsigned long flags)
-{
- struct mxr_geometry *geo = &layer->geo;
- struct mxr_crop *src = &geo->src;
- struct mxr_crop *dst = &geo->dst;
- unsigned int x_center, y_center;
-
- switch (stage) {
-
- case MXR_GEOMETRY_SINK: /* nothing to be fixed here */
- flags = 0;
- /* fall through */
-
- case MXR_GEOMETRY_COMPOSE:
- /* remember center of the area */
- x_center = dst->x_offset + dst->width / 2;
- y_center = dst->y_offset + dst->height / 2;
- /* round up/down to 2 multiple depending on flags */
- if (flags & V4L2_SEL_FLAG_LE) {
- dst->width = round_down(dst->width, 2);
- dst->height = round_down(dst->height, 2);
- } else {
- dst->width = round_up(dst->width, 2);
- dst->height = round_up(dst->height, 2);
- }
- /* assure that compose rect is inside display area */
- dst->width = min(dst->width, dst->full_width);
- dst->height = min(dst->height, dst->full_height);
-
- /* ensure that compose is reachable using 2x scaling */
- dst->width = min(dst->width, 2 * src->full_width);
- dst->height = min(dst->height, 2 * src->full_height);
-
- /* setup offsets */
- dst->x_offset = do_center(x_center, dst->width,
- dst->full_width, flags);
- dst->y_offset = do_center(y_center, dst->height,
- dst->full_height, flags);
- flags = 0;
- /* fall through */
-
- case MXR_GEOMETRY_CROP:
- /* remember center of the area */
- x_center = src->x_offset + src->width / 2;
- y_center = src->y_offset + src->height / 2;
- /* ensure that cropping area lies inside the buffer */
- if (src->full_width < dst->width)
- src->width = dst->width / 2;
- else
- src->width = closest(src->width, dst->width / 2,
- dst->width, flags);
-
- if (src->width == dst->width)
- geo->x_ratio = 0;
- else
- geo->x_ratio = 1;
-
- if (src->full_height < dst->height)
- src->height = dst->height / 2;
- else
- src->height = closest(src->height, dst->height / 2,
- dst->height, flags);
-
- if (src->height == dst->height)
- geo->y_ratio = 0;
- else
- geo->y_ratio = 1;
-
- /* setup offsets */
- src->x_offset = do_center(x_center, src->width,
- src->full_width, flags);
- src->y_offset = do_center(y_center, src->height,
- src->full_height, flags);
- flags = 0;
- /* fall through */
- case MXR_GEOMETRY_SOURCE:
- src->full_width = clamp_val(src->full_width,
- src->width + src->x_offset, 32767);
- src->full_height = clamp_val(src->full_height,
- src->height + src->y_offset, 2047);
- }
-}
-
-/* PUBLIC API */
-
-struct mxr_layer *mxr_graph_layer_create(struct mxr_device *mdev, int idx)
-{
- struct mxr_layer *layer;
- int ret;
- const struct mxr_layer_ops ops = {
- .release = mxr_graph_layer_release,
- .buffer_set = mxr_graph_buffer_set,
- .stream_set = mxr_graph_stream_set,
- .format_set = mxr_graph_format_set,
- .fix_geometry = mxr_graph_fix_geometry,
- };
- char name[32];
-
- sprintf(name, "graph%d", idx);
-
- layer = mxr_base_layer_create(mdev, idx, name, &ops);
- if (layer == NULL) {
- mxr_err(mdev, "failed to initialize layer(%d) base\n", idx);
- goto fail;
- }
-
- layer->fmt_array = mxr_graph_format;
- layer->fmt_array_size = ARRAY_SIZE(mxr_graph_format);
-
- ret = mxr_base_layer_register(layer);
- if (ret)
- goto fail_layer;
-
- return layer;
-
-fail_layer:
- mxr_base_layer_release(layer);
-
-fail:
- return NULL;
-}
-
+++ /dev/null
-/*
- * Samsung TV Mixer driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.com>
- *
- * 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
- */
-
-#include "mixer.h"
-#include "regs-mixer.h"
-#include "regs-vp.h"
-
-#include <linux/delay.h>
-
-/* Register access subroutines */
-
-static inline u32 vp_read(struct mxr_device *mdev, u32 reg_id)
-{
- return readl(mdev->res.vp_regs + reg_id);
-}
-
-static inline void vp_write(struct mxr_device *mdev, u32 reg_id, u32 val)
-{
- writel(val, mdev->res.vp_regs + reg_id);
-}
-
-static inline void vp_write_mask(struct mxr_device *mdev, u32 reg_id,
- u32 val, u32 mask)
-{
- u32 old = vp_read(mdev, reg_id);
-
- val = (val & mask) | (old & ~mask);
- writel(val, mdev->res.vp_regs + reg_id);
-}
-
-static inline u32 mxr_read(struct mxr_device *mdev, u32 reg_id)
-{
- return readl(mdev->res.mxr_regs + reg_id);
-}
-
-static inline void mxr_write(struct mxr_device *mdev, u32 reg_id, u32 val)
-{
- writel(val, mdev->res.mxr_regs + reg_id);
-}
-
-static inline void mxr_write_mask(struct mxr_device *mdev, u32 reg_id,
- u32 val, u32 mask)
-{
- u32 old = mxr_read(mdev, reg_id);
-
- val = (val & mask) | (old & ~mask);
- writel(val, mdev->res.mxr_regs + reg_id);
-}
-
-void mxr_vsync_set_update(struct mxr_device *mdev, int en)
-{
- /* block update on vsync */
- mxr_write_mask(mdev, MXR_STATUS, en ? MXR_STATUS_SYNC_ENABLE : 0,
- MXR_STATUS_SYNC_ENABLE);
- vp_write(mdev, VP_SHADOW_UPDATE, en ? VP_SHADOW_UPDATE_ENABLE : 0);
-}
-
-static void __mxr_reg_vp_reset(struct mxr_device *mdev)
-{
- int tries = 100;
-
- vp_write(mdev, VP_SRESET, VP_SRESET_PROCESSING);
- for (tries = 100; tries; --tries) {
- /* waiting until VP_SRESET_PROCESSING is 0 */
- if (~vp_read(mdev, VP_SRESET) & VP_SRESET_PROCESSING)
- break;
- mdelay(10);
- }
- WARN(tries == 0, "failed to reset Video Processor\n");
-}
-
-static void mxr_reg_vp_default_filter(struct mxr_device *mdev);
-
-void mxr_reg_reset(struct mxr_device *mdev)
-{
- unsigned long flags;
- u32 val; /* value stored to register */
-
- spin_lock_irqsave(&mdev->reg_slock, flags);
- mxr_vsync_set_update(mdev, MXR_DISABLE);
-
- /* set output in RGB888 mode */
- mxr_write(mdev, MXR_CFG, MXR_CFG_OUT_RGB888);
-
- /* 16 beat burst in DMA */
- mxr_write_mask(mdev, MXR_STATUS, MXR_STATUS_16_BURST,
- MXR_STATUS_BURST_MASK);
-
- /* setting default layer priority: layer1 > video > layer0
- * because typical usage scenario would be
- * layer0 - framebuffer
- * video - video overlay
- * layer1 - OSD
- */
- val = MXR_LAYER_CFG_GRP0_VAL(1);
- val |= MXR_LAYER_CFG_VP_VAL(2);
- val |= MXR_LAYER_CFG_GRP1_VAL(3);
- mxr_write(mdev, MXR_LAYER_CFG, val);
-
- /* use dark gray background color */
- mxr_write(mdev, MXR_BG_COLOR0, 0x808080);
- mxr_write(mdev, MXR_BG_COLOR1, 0x808080);
- mxr_write(mdev, MXR_BG_COLOR2, 0x808080);
-
- /* setting graphical layers */
-
- val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */
- val |= MXR_GRP_CFG_BLEND_PRE_MUL; /* premul mode */
- val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */
-
- /* the same configuration for both layers */
- mxr_write(mdev, MXR_GRAPHIC_CFG(0), val);
- mxr_write(mdev, MXR_GRAPHIC_CFG(1), val);
-
- /* configuration of Video Processor Registers */
- __mxr_reg_vp_reset(mdev);
- mxr_reg_vp_default_filter(mdev);
-
- /* enable all interrupts */
- mxr_write_mask(mdev, MXR_INT_EN, ~0, MXR_INT_EN_ALL);
-
- mxr_vsync_set_update(mdev, MXR_ENABLE);
- spin_unlock_irqrestore(&mdev->reg_slock, flags);
-}
-
-void mxr_reg_graph_format(struct mxr_device *mdev, int idx,
- const struct mxr_format *fmt, const struct mxr_geometry *geo)
-{
- u32 val;
- unsigned long flags;
-
- spin_lock_irqsave(&mdev->reg_slock, flags);
- mxr_vsync_set_update(mdev, MXR_DISABLE);
-
- /* setup format */
- mxr_write_mask(mdev, MXR_GRAPHIC_CFG(idx),
- MXR_GRP_CFG_FORMAT_VAL(fmt->cookie), MXR_GRP_CFG_FORMAT_MASK);
-
- /* setup geometry */
- mxr_write(mdev, MXR_GRAPHIC_SPAN(idx), geo->src.full_width);
- val = MXR_GRP_WH_WIDTH(geo->src.width);
- val |= MXR_GRP_WH_HEIGHT(geo->src.height);
- val |= MXR_GRP_WH_H_SCALE(geo->x_ratio);
- val |= MXR_GRP_WH_V_SCALE(geo->y_ratio);
- mxr_write(mdev, MXR_GRAPHIC_WH(idx), val);
-
- /* setup offsets in source image */
- val = MXR_GRP_SXY_SX(geo->src.x_offset);
- val |= MXR_GRP_SXY_SY(geo->src.y_offset);
- mxr_write(mdev, MXR_GRAPHIC_SXY(idx), val);
-
- /* setup offsets in display image */
- val = MXR_GRP_DXY_DX(geo->dst.x_offset);
- val |= MXR_GRP_DXY_DY(geo->dst.y_offset);
- mxr_write(mdev, MXR_GRAPHIC_DXY(idx), val);
-
- mxr_vsync_set_update(mdev, MXR_ENABLE);
- spin_unlock_irqrestore(&mdev->reg_slock, flags);
-}
-
-void mxr_reg_vp_format(struct mxr_device *mdev,
- const struct mxr_format *fmt, const struct mxr_geometry *geo)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&mdev->reg_slock, flags);
- mxr_vsync_set_update(mdev, MXR_DISABLE);
-
- vp_write_mask(mdev, VP_MODE, fmt->cookie, VP_MODE_FMT_MASK);
-
- /* setting size of input image */
- vp_write(mdev, VP_IMG_SIZE_Y, VP_IMG_HSIZE(geo->src.full_width) |
- VP_IMG_VSIZE(geo->src.full_height));
- /* chroma height has to reduced by 2 to avoid chroma distorions */
- vp_write(mdev, VP_IMG_SIZE_C, VP_IMG_HSIZE(geo->src.full_width) |
- VP_IMG_VSIZE(geo->src.full_height / 2));
-
- vp_write(mdev, VP_SRC_WIDTH, geo->src.width);
- vp_write(mdev, VP_SRC_HEIGHT, geo->src.height);
- vp_write(mdev, VP_SRC_H_POSITION,
- VP_SRC_H_POSITION_VAL(geo->src.x_offset));
- vp_write(mdev, VP_SRC_V_POSITION, geo->src.y_offset);
-
- vp_write(mdev, VP_DST_WIDTH, geo->dst.width);
- vp_write(mdev, VP_DST_H_POSITION, geo->dst.x_offset);
- if (geo->dst.field == V4L2_FIELD_INTERLACED) {
- vp_write(mdev, VP_DST_HEIGHT, geo->dst.height / 2);
- vp_write(mdev, VP_DST_V_POSITION, geo->dst.y_offset / 2);
- } else {
- vp_write(mdev, VP_DST_HEIGHT, geo->dst.height);
- vp_write(mdev, VP_DST_V_POSITION, geo->dst.y_offset);
- }
-
- vp_write(mdev, VP_H_RATIO, geo->x_ratio);
- vp_write(mdev, VP_V_RATIO, geo->y_ratio);
-
- vp_write(mdev, VP_ENDIAN_MODE, VP_ENDIAN_MODE_LITTLE);
-
- mxr_vsync_set_update(mdev, MXR_ENABLE);
- spin_unlock_irqrestore(&mdev->reg_slock, flags);
-
-}
-
-void mxr_reg_graph_buffer(struct mxr_device *mdev, int idx, dma_addr_t addr)
-{
- u32 val = addr ? ~0 : 0;
- unsigned long flags;
-
- spin_lock_irqsave(&mdev->reg_slock, flags);
- mxr_vsync_set_update(mdev, MXR_DISABLE);
-
- if (idx == 0)
- mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_GRP0_ENABLE);
- else
- mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_GRP1_ENABLE);
- mxr_write(mdev, MXR_GRAPHIC_BASE(idx), addr);
-
- mxr_vsync_set_update(mdev, MXR_ENABLE);
- spin_unlock_irqrestore(&mdev->reg_slock, flags);
-}
-
-void mxr_reg_vp_buffer(struct mxr_device *mdev,
- dma_addr_t luma_addr[2], dma_addr_t chroma_addr[2])
-{
- u32 val = luma_addr[0] ? ~0 : 0;
- unsigned long flags;
-
- spin_lock_irqsave(&mdev->reg_slock, flags);
- mxr_vsync_set_update(mdev, MXR_DISABLE);
-
- mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_VP_ENABLE);
- vp_write_mask(mdev, VP_ENABLE, val, VP_ENABLE_ON);
- /* TODO: fix tiled mode */
- vp_write(mdev, VP_TOP_Y_PTR, luma_addr[0]);
- vp_write(mdev, VP_TOP_C_PTR, chroma_addr[0]);
- vp_write(mdev, VP_BOT_Y_PTR, luma_addr[1]);
- vp_write(mdev, VP_BOT_C_PTR, chroma_addr[1]);
-
- mxr_vsync_set_update(mdev, MXR_ENABLE);
- spin_unlock_irqrestore(&mdev->reg_slock, flags);
-}
-
-static void mxr_irq_layer_handle(struct mxr_layer *layer)
-{
- struct list_head *head = &layer->enq_list;
- struct mxr_buffer *done;
-
- /* skip non-existing layer */
- if (layer == NULL)
- return;
-
- spin_lock(&layer->enq_slock);
- if (layer->state == MXR_LAYER_IDLE)
- goto done;
-
- done = layer->shadow_buf;
- layer->shadow_buf = layer->update_buf;
-
- if (list_empty(head)) {
- if (layer->state != MXR_LAYER_STREAMING)
- layer->update_buf = NULL;
- } else {
- struct mxr_buffer *next;
- next = list_first_entry(head, struct mxr_buffer, list);
- list_del(&next->list);
- layer->update_buf = next;
- }
-
- layer->ops.buffer_set(layer, layer->update_buf);
-
- if (done && done != layer->shadow_buf)
- vb2_buffer_done(&done->vb.vb2_buf, VB2_BUF_STATE_DONE);
-
-done:
- spin_unlock(&layer->enq_slock);
-}
-
-irqreturn_t mxr_irq_handler(int irq, void *dev_data)
-{
- struct mxr_device *mdev = dev_data;
- u32 i, val;
-
- spin_lock(&mdev->reg_slock);
- val = mxr_read(mdev, MXR_INT_STATUS);
-
- /* wake up process waiting for VSYNC */
- if (val & MXR_INT_STATUS_VSYNC) {
- set_bit(MXR_EVENT_VSYNC, &mdev->event_flags);
- /* toggle TOP field event if working in interlaced mode */
- if (~mxr_read(mdev, MXR_CFG) & MXR_CFG_SCAN_PROGRASSIVE)
- change_bit(MXR_EVENT_TOP, &mdev->event_flags);
- wake_up(&mdev->event_queue);
- /* vsync interrupt use different bit for read and clear */
- val &= ~MXR_INT_STATUS_VSYNC;
- val |= MXR_INT_CLEAR_VSYNC;
- }
-
- /* clear interrupts */
- mxr_write(mdev, MXR_INT_STATUS, val);
-
- spin_unlock(&mdev->reg_slock);
- /* leave on non-vsync event */
- if (~val & MXR_INT_CLEAR_VSYNC)
- return IRQ_HANDLED;
- /* skip layer update on bottom field */
- if (!test_bit(MXR_EVENT_TOP, &mdev->event_flags))
- return IRQ_HANDLED;
- for (i = 0; i < MXR_MAX_LAYERS; ++i)
- mxr_irq_layer_handle(mdev->layer[i]);
- return IRQ_HANDLED;
-}
-
-void mxr_reg_s_output(struct mxr_device *mdev, int cookie)
-{
- u32 val;
-
- val = cookie == 0 ? MXR_CFG_DST_SDO : MXR_CFG_DST_HDMI;
- mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_DST_MASK);
-}
-
-void mxr_reg_streamon(struct mxr_device *mdev)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&mdev->reg_slock, flags);
- /* single write -> no need to block vsync update */
-
- /* start MIXER */
- mxr_write_mask(mdev, MXR_STATUS, ~0, MXR_STATUS_REG_RUN);
- set_bit(MXR_EVENT_TOP, &mdev->event_flags);
-
- spin_unlock_irqrestore(&mdev->reg_slock, flags);
-}
-
-void mxr_reg_streamoff(struct mxr_device *mdev)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&mdev->reg_slock, flags);
- /* single write -> no need to block vsync update */
-
- /* stop MIXER */
- mxr_write_mask(mdev, MXR_STATUS, 0, MXR_STATUS_REG_RUN);
-
- spin_unlock_irqrestore(&mdev->reg_slock, flags);
-}
-
-int mxr_reg_wait4vsync(struct mxr_device *mdev)
-{
- long time_left;
-
- clear_bit(MXR_EVENT_VSYNC, &mdev->event_flags);
- /* TODO: consider adding interruptible */
- time_left = wait_event_timeout(mdev->event_queue,
- test_bit(MXR_EVENT_VSYNC, &mdev->event_flags),
- msecs_to_jiffies(1000));
- if (time_left > 0)
- return 0;
- mxr_warn(mdev, "no vsync detected - timeout\n");
- return -ETIME;
-}
-
-void mxr_reg_set_mbus_fmt(struct mxr_device *mdev,
- struct v4l2_mbus_framefmt *fmt)
-{
- u32 val = 0;
- unsigned long flags;
-
- spin_lock_irqsave(&mdev->reg_slock, flags);
- mxr_vsync_set_update(mdev, MXR_DISABLE);
-
- /* selecting colorspace accepted by output */
- if (fmt->colorspace == V4L2_COLORSPACE_JPEG)
- val |= MXR_CFG_OUT_YUV444;
- else
- val |= MXR_CFG_OUT_RGB888;
-
- /* choosing between interlace and progressive mode */
- if (fmt->field == V4L2_FIELD_INTERLACED)
- val |= MXR_CFG_SCAN_INTERLACE;
- else
- val |= MXR_CFG_SCAN_PROGRASSIVE;
-
- /* choosing between porper HD and SD mode */
- if (fmt->height == 480)
- val |= MXR_CFG_SCAN_NTSC | MXR_CFG_SCAN_SD;
- else if (fmt->height == 576)
- val |= MXR_CFG_SCAN_PAL | MXR_CFG_SCAN_SD;
- else if (fmt->height == 720)
- val |= MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD;
- else if (fmt->height == 1080)
- val |= MXR_CFG_SCAN_HD_1080 | MXR_CFG_SCAN_HD;
- else
- WARN(1, "unrecognized mbus height %u!\n", fmt->height);
-
- mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_SCAN_MASK |
- MXR_CFG_OUT_MASK);
-
- val = (fmt->field == V4L2_FIELD_INTERLACED) ? ~0 : 0;
- vp_write_mask(mdev, VP_MODE, val,
- VP_MODE_LINE_SKIP | VP_MODE_FIELD_ID_AUTO_TOGGLING);
-
- mxr_vsync_set_update(mdev, MXR_ENABLE);
- spin_unlock_irqrestore(&mdev->reg_slock, flags);
-}
-
-void mxr_reg_graph_layer_stream(struct mxr_device *mdev, int idx, int en)
-{
- /* no extra actions need to be done */
-}
-
-void mxr_reg_vp_layer_stream(struct mxr_device *mdev, int en)
-{
- /* no extra actions need to be done */
-}
-
-static const u8 filter_y_horiz_tap8[] = {
- 0, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, 0, 0, 0,
- 0, 2, 4, 5, 6, 6, 6, 6,
- 6, 5, 5, 4, 3, 2, 1, 1,
- 0, -6, -12, -16, -18, -20, -21, -20,
- -20, -18, -16, -13, -10, -8, -5, -2,
- 127, 126, 125, 121, 114, 107, 99, 89,
- 79, 68, 57, 46, 35, 25, 16, 8,
-};
-
-static const u8 filter_y_vert_tap4[] = {
- 0, -3, -6, -8, -8, -8, -8, -7,
- -6, -5, -4, -3, -2, -1, -1, 0,
- 127, 126, 124, 118, 111, 102, 92, 81,
- 70, 59, 48, 37, 27, 19, 11, 5,
- 0, 5, 11, 19, 27, 37, 48, 59,
- 70, 81, 92, 102, 111, 118, 124, 126,
- 0, 0, -1, -1, -2, -3, -4, -5,
- -6, -7, -8, -8, -8, -8, -6, -3,
-};
-
-static const u8 filter_cr_horiz_tap4[] = {
- 0, -3, -6, -8, -8, -8, -8, -7,
- -6, -5, -4, -3, -2, -1, -1, 0,
- 127, 126, 124, 118, 111, 102, 92, 81,
- 70, 59, 48, 37, 27, 19, 11, 5,
-};
-
-static inline void mxr_reg_vp_filter_set(struct mxr_device *mdev,
- int reg_id, const u8 *data, unsigned int size)
-{
- /* assure 4-byte align */
- BUG_ON(size & 3);
- for (; size; size -= 4, reg_id += 4, data += 4) {
- u32 val = (data[0] << 24) | (data[1] << 16) |
- (data[2] << 8) | data[3];
- vp_write(mdev, reg_id, val);
- }
-}
-
-static void mxr_reg_vp_default_filter(struct mxr_device *mdev)
-{
- mxr_reg_vp_filter_set(mdev, VP_POLY8_Y0_LL,
- filter_y_horiz_tap8, sizeof(filter_y_horiz_tap8));
- mxr_reg_vp_filter_set(mdev, VP_POLY4_Y0_LL,
- filter_y_vert_tap4, sizeof(filter_y_vert_tap4));
- mxr_reg_vp_filter_set(mdev, VP_POLY4_C0_LL,
- filter_cr_horiz_tap4, sizeof(filter_cr_horiz_tap4));
-}
-
-static void mxr_reg_mxr_dump(struct mxr_device *mdev)
-{
-#define DUMPREG(reg_id) \
-do { \
- mxr_dbg(mdev, #reg_id " = %08x\n", \
- (u32)readl(mdev->res.mxr_regs + reg_id)); \
-} while (0)
-
- DUMPREG(MXR_STATUS);
- DUMPREG(MXR_CFG);
- DUMPREG(MXR_INT_EN);
- DUMPREG(MXR_INT_STATUS);
-
- DUMPREG(MXR_LAYER_CFG);
- DUMPREG(MXR_VIDEO_CFG);
-
- DUMPREG(MXR_GRAPHIC0_CFG);
- DUMPREG(MXR_GRAPHIC0_BASE);
- DUMPREG(MXR_GRAPHIC0_SPAN);
- DUMPREG(MXR_GRAPHIC0_WH);
- DUMPREG(MXR_GRAPHIC0_SXY);
- DUMPREG(MXR_GRAPHIC0_DXY);
-
- DUMPREG(MXR_GRAPHIC1_CFG);
- DUMPREG(MXR_GRAPHIC1_BASE);
- DUMPREG(MXR_GRAPHIC1_SPAN);
- DUMPREG(MXR_GRAPHIC1_WH);
- DUMPREG(MXR_GRAPHIC1_SXY);
- DUMPREG(MXR_GRAPHIC1_DXY);
-#undef DUMPREG
-}
-
-static void mxr_reg_vp_dump(struct mxr_device *mdev)
-{
-#define DUMPREG(reg_id) \
-do { \
- mxr_dbg(mdev, #reg_id " = %08x\n", \
- (u32) readl(mdev->res.vp_regs + reg_id)); \
-} while (0)
-
-
- DUMPREG(VP_ENABLE);
- DUMPREG(VP_SRESET);
- DUMPREG(VP_SHADOW_UPDATE);
- DUMPREG(VP_FIELD_ID);
- DUMPREG(VP_MODE);
- DUMPREG(VP_IMG_SIZE_Y);
- DUMPREG(VP_IMG_SIZE_C);
- DUMPREG(VP_PER_RATE_CTRL);
- DUMPREG(VP_TOP_Y_PTR);
- DUMPREG(VP_BOT_Y_PTR);
- DUMPREG(VP_TOP_C_PTR);
- DUMPREG(VP_BOT_C_PTR);
- DUMPREG(VP_ENDIAN_MODE);
- DUMPREG(VP_SRC_H_POSITION);
- DUMPREG(VP_SRC_V_POSITION);
- DUMPREG(VP_SRC_WIDTH);
- DUMPREG(VP_SRC_HEIGHT);
- DUMPREG(VP_DST_H_POSITION);
- DUMPREG(VP_DST_V_POSITION);
- DUMPREG(VP_DST_WIDTH);
- DUMPREG(VP_DST_HEIGHT);
- DUMPREG(VP_H_RATIO);
- DUMPREG(VP_V_RATIO);
-
-#undef DUMPREG
-}
-
-void mxr_reg_dump(struct mxr_device *mdev)
-{
- mxr_reg_mxr_dump(mdev);
- mxr_reg_vp_dump(mdev);
-}
-
+++ /dev/null
-/*
- * Samsung TV Mixer driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.com>
- *
- * 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
- */
-
-#define pr_fmt(fmt) "s5p-tv (mixer): " fmt
-
-#include "mixer.h"
-
-#include <media/v4l2-ioctl.h>
-#include <linux/videodev2.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/timer.h>
-#include <media/videobuf2-dma-contig.h>
-
-static int find_reg_callback(struct device *dev, void *p)
-{
- struct v4l2_subdev **sd = p;
-
- *sd = dev_get_drvdata(dev);
- /* non-zero value stops iteration */
- return 1;
-}
-
-static struct v4l2_subdev *find_and_register_subdev(
- struct mxr_device *mdev, char *module_name)
-{
- struct device_driver *drv;
- struct v4l2_subdev *sd = NULL;
- int ret;
-
- /* TODO: add waiting until probe is finished */
- drv = driver_find(module_name, &platform_bus_type);
- if (!drv) {
- mxr_warn(mdev, "module %s is missing\n", module_name);
- return NULL;
- }
- /* driver refcnt is increased, it is safe to iterate over devices */
- ret = driver_for_each_device(drv, NULL, &sd, find_reg_callback);
- /* ret == 0 means that find_reg_callback was never executed */
- if (sd == NULL) {
- mxr_warn(mdev, "module %s provides no subdev!\n", module_name);
- goto done;
- }
- /* v4l2_device_register_subdev detects if sd is NULL */
- ret = v4l2_device_register_subdev(&mdev->v4l2_dev, sd);
- if (ret) {
- mxr_warn(mdev, "failed to register subdev %s\n", sd->name);
- sd = NULL;
- }
-
-done:
- return sd;
-}
-
-int mxr_acquire_video(struct mxr_device *mdev,
- struct mxr_output_conf *output_conf, int output_count)
-{
- struct device *dev = mdev->dev;
- struct v4l2_device *v4l2_dev = &mdev->v4l2_dev;
- int i;
- int ret = 0;
- struct v4l2_subdev *sd;
-
- strlcpy(v4l2_dev->name, dev_name(mdev->dev), sizeof(v4l2_dev->name));
- /* prepare context for V4L2 device */
- ret = v4l2_device_register(dev, v4l2_dev);
- if (ret) {
- mxr_err(mdev, "could not register v4l2 device.\n");
- goto fail;
- }
-
- vb2_dma_contig_set_max_seg_size(mdev->dev, DMA_BIT_MASK(32));
-
- /* registering outputs */
- mdev->output_cnt = 0;
- for (i = 0; i < output_count; ++i) {
- struct mxr_output_conf *conf = &output_conf[i];
- struct mxr_output *out;
-
- sd = find_and_register_subdev(mdev, conf->module_name);
- /* trying to register next output */
- if (sd == NULL)
- continue;
- out = kzalloc(sizeof(*out), GFP_KERNEL);
- if (out == NULL) {
- mxr_err(mdev, "no memory for '%s'\n",
- conf->output_name);
- ret = -ENOMEM;
- /* registered subdevs are removed in fail_v4l2_dev */
- goto fail_output;
- }
- strlcpy(out->name, conf->output_name, sizeof(out->name));
- out->sd = sd;
- out->cookie = conf->cookie;
- mdev->output[mdev->output_cnt++] = out;
- mxr_info(mdev, "added output '%s' from module '%s'\n",
- conf->output_name, conf->module_name);
- /* checking if maximal number of outputs is reached */
- if (mdev->output_cnt >= MXR_MAX_OUTPUTS)
- break;
- }
-
- if (mdev->output_cnt == 0) {
- mxr_err(mdev, "failed to register any output\n");
- ret = -ENODEV;
- /* skipping fail_output because there is nothing to free */
- goto fail_v4l2_dev;
- }
-
- return 0;
-
-fail_output:
- /* kfree is NULL-safe */
- for (i = 0; i < mdev->output_cnt; ++i)
- kfree(mdev->output[i]);
- memset(mdev->output, 0, sizeof(mdev->output));
-
-fail_v4l2_dev:
- /* NOTE: automatically unregister all subdevs */
- v4l2_device_unregister(v4l2_dev);
-
-fail:
- return ret;
-}
-
-void mxr_release_video(struct mxr_device *mdev)
-{
- int i;
-
- /* kfree is NULL-safe */
- for (i = 0; i < mdev->output_cnt; ++i)
- kfree(mdev->output[i]);
-
- vb2_dma_contig_clear_max_seg_size(mdev->dev);
- v4l2_device_unregister(&mdev->v4l2_dev);
-}
-
-static int mxr_querycap(struct file *file, void *priv,
- struct v4l2_capability *cap)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
-
- strlcpy(cap->driver, MXR_DRIVER_NAME, sizeof(cap->driver));
- strlcpy(cap->card, layer->vfd.name, sizeof(cap->card));
- sprintf(cap->bus_info, "%d", layer->idx);
- cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_OUTPUT_MPLANE;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
-
- return 0;
-}
-
-static void mxr_geometry_dump(struct mxr_device *mdev, struct mxr_geometry *geo)
-{
- mxr_dbg(mdev, "src.full_size = (%u, %u)\n",
- geo->src.full_width, geo->src.full_height);
- mxr_dbg(mdev, "src.size = (%u, %u)\n",
- geo->src.width, geo->src.height);
- mxr_dbg(mdev, "src.offset = (%u, %u)\n",
- geo->src.x_offset, geo->src.y_offset);
- mxr_dbg(mdev, "dst.full_size = (%u, %u)\n",
- geo->dst.full_width, geo->dst.full_height);
- mxr_dbg(mdev, "dst.size = (%u, %u)\n",
- geo->dst.width, geo->dst.height);
- mxr_dbg(mdev, "dst.offset = (%u, %u)\n",
- geo->dst.x_offset, geo->dst.y_offset);
- mxr_dbg(mdev, "ratio = (%u, %u)\n",
- geo->x_ratio, geo->y_ratio);
-}
-
-static void mxr_layer_default_geo(struct mxr_layer *layer)
-{
- struct mxr_device *mdev = layer->mdev;
- struct v4l2_mbus_framefmt mbus_fmt;
-
- memset(&layer->geo, 0, sizeof(layer->geo));
-
- mxr_get_mbus_fmt(mdev, &mbus_fmt);
-
- layer->geo.dst.full_width = mbus_fmt.width;
- layer->geo.dst.full_height = mbus_fmt.height;
- layer->geo.dst.width = layer->geo.dst.full_width;
- layer->geo.dst.height = layer->geo.dst.full_height;
- layer->geo.dst.field = mbus_fmt.field;
-
- layer->geo.src.full_width = mbus_fmt.width;
- layer->geo.src.full_height = mbus_fmt.height;
- layer->geo.src.width = layer->geo.src.full_width;
- layer->geo.src.height = layer->geo.src.full_height;
-
- mxr_geometry_dump(mdev, &layer->geo);
- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0);
- mxr_geometry_dump(mdev, &layer->geo);
-}
-
-static void mxr_layer_update_output(struct mxr_layer *layer)
-{
- struct mxr_device *mdev = layer->mdev;
- struct v4l2_mbus_framefmt mbus_fmt;
-
- mxr_get_mbus_fmt(mdev, &mbus_fmt);
- /* checking if update is needed */
- if (layer->geo.dst.full_width == mbus_fmt.width &&
- layer->geo.dst.full_height == mbus_fmt.width)
- return;
-
- layer->geo.dst.full_width = mbus_fmt.width;
- layer->geo.dst.full_height = mbus_fmt.height;
- layer->geo.dst.field = mbus_fmt.field;
- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0);
-
- mxr_geometry_dump(mdev, &layer->geo);
-}
-
-static const struct mxr_format *find_format_by_fourcc(
- struct mxr_layer *layer, unsigned long fourcc);
-static const struct mxr_format *find_format_by_index(
- struct mxr_layer *layer, unsigned long index);
-
-static int mxr_enum_fmt(struct file *file, void *priv,
- struct v4l2_fmtdesc *f)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- const struct mxr_format *fmt;
-
- mxr_dbg(mdev, "%s\n", __func__);
- fmt = find_format_by_index(layer, f->index);
- if (fmt == NULL)
- return -EINVAL;
-
- strlcpy(f->description, fmt->name, sizeof(f->description));
- f->pixelformat = fmt->fourcc;
-
- return 0;
-}
-
-static unsigned int divup(unsigned int divident, unsigned int divisor)
-{
- return (divident + divisor - 1) / divisor;
-}
-
-unsigned long mxr_get_plane_size(const struct mxr_block *blk,
- unsigned int width, unsigned int height)
-{
- unsigned int bl_width = divup(width, blk->width);
- unsigned int bl_height = divup(height, blk->height);
-
- return bl_width * bl_height * blk->size;
-}
-
-static void mxr_mplane_fill(struct v4l2_plane_pix_format *planes,
- const struct mxr_format *fmt, u32 width, u32 height)
-{
- int i;
-
- /* checking if nothing to fill */
- if (!planes)
- return;
-
- memset(planes, 0, sizeof(*planes) * fmt->num_subframes);
- for (i = 0; i < fmt->num_planes; ++i) {
- struct v4l2_plane_pix_format *plane = planes
- + fmt->plane2subframe[i];
- const struct mxr_block *blk = &fmt->plane[i];
- u32 bl_width = divup(width, blk->width);
- u32 bl_height = divup(height, blk->height);
- u32 sizeimage = bl_width * bl_height * blk->size;
- u32 bytesperline = bl_width * blk->size / blk->height;
-
- plane->sizeimage += sizeimage;
- plane->bytesperline = max(plane->bytesperline, bytesperline);
- }
-}
-
-static int mxr_g_fmt(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
-
- pix->width = layer->geo.src.full_width;
- pix->height = layer->geo.src.full_height;
- pix->field = V4L2_FIELD_NONE;
- pix->pixelformat = layer->fmt->fourcc;
- pix->colorspace = layer->fmt->colorspace;
- mxr_mplane_fill(pix->plane_fmt, layer->fmt, pix->width, pix->height);
-
- return 0;
-}
-
-static int mxr_s_fmt(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct mxr_layer *layer = video_drvdata(file);
- const struct mxr_format *fmt;
- struct v4l2_pix_format_mplane *pix;
- struct mxr_device *mdev = layer->mdev;
- struct mxr_geometry *geo = &layer->geo;
-
- mxr_dbg(mdev, "%s:%d\n", __func__, __LINE__);
-
- pix = &f->fmt.pix_mp;
- fmt = find_format_by_fourcc(layer, pix->pixelformat);
- if (fmt == NULL) {
- mxr_warn(mdev, "not recognized fourcc: %08x\n",
- pix->pixelformat);
- return -EINVAL;
- }
- layer->fmt = fmt;
- /* set source size to highest accepted value */
- geo->src.full_width = max(geo->dst.full_width, pix->width);
- geo->src.full_height = max(geo->dst.full_height, pix->height);
- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0);
- mxr_geometry_dump(mdev, &layer->geo);
- /* set cropping to total visible screen */
- geo->src.width = pix->width;
- geo->src.height = pix->height;
- geo->src.x_offset = 0;
- geo->src.y_offset = 0;
- /* assure consistency of geometry */
- layer->ops.fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET);
- mxr_geometry_dump(mdev, &layer->geo);
- /* set full size to lowest possible value */
- geo->src.full_width = 0;
- geo->src.full_height = 0;
- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0);
- mxr_geometry_dump(mdev, &layer->geo);
-
- /* returning results */
- mxr_g_fmt(file, priv, f);
-
- return 0;
-}
-
-static int mxr_g_selection(struct file *file, void *fh,
- struct v4l2_selection *s)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_geometry *geo = &layer->geo;
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
-
- if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
- s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
- return -EINVAL;
-
- switch (s->target) {
- case V4L2_SEL_TGT_CROP:
- s->r.left = geo->src.x_offset;
- s->r.top = geo->src.y_offset;
- s->r.width = geo->src.width;
- s->r.height = geo->src.height;
- break;
- case V4L2_SEL_TGT_CROP_DEFAULT:
- case V4L2_SEL_TGT_CROP_BOUNDS:
- s->r.left = 0;
- s->r.top = 0;
- s->r.width = geo->src.full_width;
- s->r.height = geo->src.full_height;
- break;
- case V4L2_SEL_TGT_COMPOSE:
- case V4L2_SEL_TGT_COMPOSE_PADDED:
- s->r.left = geo->dst.x_offset;
- s->r.top = geo->dst.y_offset;
- s->r.width = geo->dst.width;
- s->r.height = geo->dst.height;
- break;
- case V4L2_SEL_TGT_COMPOSE_DEFAULT:
- case V4L2_SEL_TGT_COMPOSE_BOUNDS:
- s->r.left = 0;
- s->r.top = 0;
- s->r.width = geo->dst.full_width;
- s->r.height = geo->dst.full_height;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* returns 1 if rectangle 'a' is inside 'b' */
-static int mxr_is_rect_inside(struct v4l2_rect *a, struct v4l2_rect *b)
-{
- if (a->left < b->left)
- return 0;
- if (a->top < b->top)
- return 0;
- if (a->left + a->width > b->left + b->width)
- return 0;
- if (a->top + a->height > b->top + b->height)
- return 0;
- return 1;
-}
-
-static int mxr_s_selection(struct file *file, void *fh,
- struct v4l2_selection *s)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_geometry *geo = &layer->geo;
- struct mxr_crop *target = NULL;
- enum mxr_geometry_stage stage;
- struct mxr_geometry tmp;
- struct v4l2_rect res;
-
- memset(&res, 0, sizeof(res));
-
- mxr_dbg(layer->mdev, "%s: rect: %dx%d@%d,%d\n", __func__,
- s->r.width, s->r.height, s->r.left, s->r.top);
-
- if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
- s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
- return -EINVAL;
-
- switch (s->target) {
- /* ignore read-only targets */
- case V4L2_SEL_TGT_CROP_DEFAULT:
- case V4L2_SEL_TGT_CROP_BOUNDS:
- res.width = geo->src.full_width;
- res.height = geo->src.full_height;
- break;
-
- /* ignore read-only targets */
- case V4L2_SEL_TGT_COMPOSE_DEFAULT:
- case V4L2_SEL_TGT_COMPOSE_BOUNDS:
- res.width = geo->dst.full_width;
- res.height = geo->dst.full_height;
- break;
-
- case V4L2_SEL_TGT_CROP:
- target = &geo->src;
- stage = MXR_GEOMETRY_CROP;
- break;
- case V4L2_SEL_TGT_COMPOSE:
- case V4L2_SEL_TGT_COMPOSE_PADDED:
- target = &geo->dst;
- stage = MXR_GEOMETRY_COMPOSE;
- break;
- default:
- return -EINVAL;
- }
- /* apply change and update geometry if needed */
- if (target) {
- /* backup current geometry if setup fails */
- memcpy(&tmp, geo, sizeof(tmp));
-
- /* apply requested selection */
- target->x_offset = s->r.left;
- target->y_offset = s->r.top;
- target->width = s->r.width;
- target->height = s->r.height;
-
- layer->ops.fix_geometry(layer, stage, s->flags);
-
- /* retrieve update selection rectangle */
- res.left = target->x_offset;
- res.top = target->y_offset;
- res.width = target->width;
- res.height = target->height;
-
- mxr_geometry_dump(layer->mdev, &layer->geo);
- }
-
- /* checking if the rectangle satisfies constraints */
- if ((s->flags & V4L2_SEL_FLAG_LE) && !mxr_is_rect_inside(&res, &s->r))
- goto fail;
- if ((s->flags & V4L2_SEL_FLAG_GE) && !mxr_is_rect_inside(&s->r, &res))
- goto fail;
-
- /* return result rectangle */
- s->r = res;
-
- return 0;
-fail:
- /* restore old geometry, which is not touched if target is NULL */
- if (target)
- memcpy(geo, &tmp, sizeof(tmp));
- return -ERANGE;
-}
-
-static int mxr_enum_dv_timings(struct file *file, void *fh,
- struct v4l2_enum_dv_timings *timings)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- int ret;
-
- timings->pad = 0;
-
- /* lock protects from changing sd_out */
- mutex_lock(&mdev->mutex);
- ret = v4l2_subdev_call(to_outsd(mdev), pad, enum_dv_timings, timings);
- mutex_unlock(&mdev->mutex);
-
- return ret ? -EINVAL : 0;
-}
-
-static int mxr_s_dv_timings(struct file *file, void *fh,
- struct v4l2_dv_timings *timings)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- int ret;
-
- /* lock protects from changing sd_out */
- mutex_lock(&mdev->mutex);
-
- /* timings change cannot be done while there is an entity
- * dependent on output configuration
- */
- if (mdev->n_output > 0) {
- mutex_unlock(&mdev->mutex);
- return -EBUSY;
- }
-
- ret = v4l2_subdev_call(to_outsd(mdev), video, s_dv_timings, timings);
-
- mutex_unlock(&mdev->mutex);
-
- mxr_layer_update_output(layer);
-
- /* any failure should return EINVAL according to V4L2 doc */
- return ret ? -EINVAL : 0;
-}
-
-static int mxr_g_dv_timings(struct file *file, void *fh,
- struct v4l2_dv_timings *timings)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- int ret;
-
- /* lock protects from changing sd_out */
- mutex_lock(&mdev->mutex);
- ret = v4l2_subdev_call(to_outsd(mdev), video, g_dv_timings, timings);
- mutex_unlock(&mdev->mutex);
-
- return ret ? -EINVAL : 0;
-}
-
-static int mxr_dv_timings_cap(struct file *file, void *fh,
- struct v4l2_dv_timings_cap *cap)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- int ret;
-
- cap->pad = 0;
-
- /* lock protects from changing sd_out */
- mutex_lock(&mdev->mutex);
- ret = v4l2_subdev_call(to_outsd(mdev), pad, dv_timings_cap, cap);
- mutex_unlock(&mdev->mutex);
-
- return ret ? -EINVAL : 0;
-}
-
-static int mxr_s_std(struct file *file, void *fh, v4l2_std_id norm)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- int ret;
-
- /* lock protects from changing sd_out */
- mutex_lock(&mdev->mutex);
-
- /* standard change cannot be done while there is an entity
- * dependent on output configuration
- */
- if (mdev->n_output > 0) {
- mutex_unlock(&mdev->mutex);
- return -EBUSY;
- }
-
- ret = v4l2_subdev_call(to_outsd(mdev), video, s_std_output, norm);
-
- mutex_unlock(&mdev->mutex);
-
- mxr_layer_update_output(layer);
-
- return ret ? -EINVAL : 0;
-}
-
-static int mxr_g_std(struct file *file, void *fh, v4l2_std_id *norm)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- int ret;
-
- /* lock protects from changing sd_out */
- mutex_lock(&mdev->mutex);
- ret = v4l2_subdev_call(to_outsd(mdev), video, g_std_output, norm);
- mutex_unlock(&mdev->mutex);
-
- return ret ? -EINVAL : 0;
-}
-
-static int mxr_enum_output(struct file *file, void *fh, struct v4l2_output *a)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- struct mxr_output *out;
- struct v4l2_subdev *sd;
-
- if (a->index >= mdev->output_cnt)
- return -EINVAL;
- out = mdev->output[a->index];
- BUG_ON(out == NULL);
- sd = out->sd;
- strlcpy(a->name, out->name, sizeof(a->name));
-
- /* try to obtain supported tv norms */
- v4l2_subdev_call(sd, video, g_tvnorms_output, &a->std);
- a->capabilities = 0;
- if (sd->ops->video && sd->ops->video->s_dv_timings)
- a->capabilities |= V4L2_OUT_CAP_DV_TIMINGS;
- if (sd->ops->video && sd->ops->video->s_std_output)
- a->capabilities |= V4L2_OUT_CAP_STD;
- a->type = V4L2_OUTPUT_TYPE_ANALOG;
-
- return 0;
-}
-
-static int mxr_s_output(struct file *file, void *fh, unsigned int i)
-{
- struct video_device *vfd = video_devdata(file);
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
-
- if (i >= mdev->output_cnt || mdev->output[i] == NULL)
- return -EINVAL;
-
- mutex_lock(&mdev->mutex);
- if (mdev->n_output > 0) {
- mutex_unlock(&mdev->mutex);
- return -EBUSY;
- }
- mdev->current_output = i;
- vfd->tvnorms = 0;
- v4l2_subdev_call(to_outsd(mdev), video, g_tvnorms_output,
- &vfd->tvnorms);
- mutex_unlock(&mdev->mutex);
-
- /* update layers geometry */
- mxr_layer_update_output(layer);
-
- mxr_dbg(mdev, "tvnorms = %08llx\n", vfd->tvnorms);
-
- return 0;
-}
-
-static int mxr_g_output(struct file *file, void *fh, unsigned int *p)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
-
- mutex_lock(&mdev->mutex);
- *p = mdev->current_output;
- mutex_unlock(&mdev->mutex);
-
- return 0;
-}
-
-static int mxr_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *p)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
- return vb2_reqbufs(&layer->vb_queue, p);
-}
-
-static int mxr_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
- return vb2_querybuf(&layer->vb_queue, p);
-}
-
-static int mxr_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d(%d)\n", __func__, __LINE__, p->index);
- return vb2_qbuf(&layer->vb_queue, p);
-}
-
-static int mxr_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
- return vb2_dqbuf(&layer->vb_queue, p, file->f_flags & O_NONBLOCK);
-}
-
-static int mxr_expbuf(struct file *file, void *priv,
- struct v4l2_exportbuffer *eb)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
- return vb2_expbuf(&layer->vb_queue, eb);
-}
-
-static int mxr_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
- return vb2_streamon(&layer->vb_queue, i);
-}
-
-static int mxr_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
- return vb2_streamoff(&layer->vb_queue, i);
-}
-
-static const struct v4l2_ioctl_ops mxr_ioctl_ops = {
- .vidioc_querycap = mxr_querycap,
- /* format handling */
- .vidioc_enum_fmt_vid_out_mplane = mxr_enum_fmt,
- .vidioc_s_fmt_vid_out_mplane = mxr_s_fmt,
- .vidioc_g_fmt_vid_out_mplane = mxr_g_fmt,
- /* buffer control */
- .vidioc_reqbufs = mxr_reqbufs,
- .vidioc_querybuf = mxr_querybuf,
- .vidioc_qbuf = mxr_qbuf,
- .vidioc_dqbuf = mxr_dqbuf,
- .vidioc_expbuf = mxr_expbuf,
- /* Streaming control */
- .vidioc_streamon = mxr_streamon,
- .vidioc_streamoff = mxr_streamoff,
- /* DV Timings functions */
- .vidioc_enum_dv_timings = mxr_enum_dv_timings,
- .vidioc_s_dv_timings = mxr_s_dv_timings,
- .vidioc_g_dv_timings = mxr_g_dv_timings,
- .vidioc_dv_timings_cap = mxr_dv_timings_cap,
- /* analog TV standard functions */
- .vidioc_s_std = mxr_s_std,
- .vidioc_g_std = mxr_g_std,
- /* Output handling */
- .vidioc_enum_output = mxr_enum_output,
- .vidioc_s_output = mxr_s_output,
- .vidioc_g_output = mxr_g_output,
- /* selection ioctls */
- .vidioc_g_selection = mxr_g_selection,
- .vidioc_s_selection = mxr_s_selection,
-};
-
-static int mxr_video_open(struct file *file)
-{
- struct mxr_layer *layer = video_drvdata(file);
- struct mxr_device *mdev = layer->mdev;
- int ret = 0;
-
- mxr_dbg(mdev, "%s:%d\n", __func__, __LINE__);
- if (mutex_lock_interruptible(&layer->mutex))
- return -ERESTARTSYS;
- /* assure device probe is finished */
- wait_for_device_probe();
- /* creating context for file descriptor */
- ret = v4l2_fh_open(file);
- if (ret) {
- mxr_err(mdev, "v4l2_fh_open failed\n");
- goto unlock;
- }
-
- /* leaving if layer is already initialized */
- if (!v4l2_fh_is_singular_file(file))
- goto unlock;
-
- /* FIXME: should power be enabled on open? */
- ret = mxr_power_get(mdev);
- if (ret) {
- mxr_err(mdev, "power on failed\n");
- goto fail_fh_open;
- }
-
- ret = vb2_queue_init(&layer->vb_queue);
- if (ret != 0) {
- mxr_err(mdev, "failed to initialize vb2 queue\n");
- goto fail_power;
- }
- /* set default format, first on the list */
- layer->fmt = layer->fmt_array[0];
- /* setup default geometry */
- mxr_layer_default_geo(layer);
- mutex_unlock(&layer->mutex);
-
- return 0;
-
-fail_power:
- mxr_power_put(mdev);
-
-fail_fh_open:
- v4l2_fh_release(file);
-
-unlock:
- mutex_unlock(&layer->mutex);
-
- return ret;
-}
-
-static unsigned int
-mxr_video_poll(struct file *file, struct poll_table_struct *wait)
-{
- struct mxr_layer *layer = video_drvdata(file);
- unsigned int res;
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
-
- mutex_lock(&layer->mutex);
- res = vb2_poll(&layer->vb_queue, file, wait);
- mutex_unlock(&layer->mutex);
- return res;
-}
-
-static int mxr_video_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct mxr_layer *layer = video_drvdata(file);
- int ret;
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
-
- if (mutex_lock_interruptible(&layer->mutex))
- return -ERESTARTSYS;
- ret = vb2_mmap(&layer->vb_queue, vma);
- mutex_unlock(&layer->mutex);
- return ret;
-}
-
-static int mxr_video_release(struct file *file)
-{
- struct mxr_layer *layer = video_drvdata(file);
-
- mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
- mutex_lock(&layer->mutex);
- if (v4l2_fh_is_singular_file(file)) {
- vb2_queue_release(&layer->vb_queue);
- mxr_power_put(layer->mdev);
- }
- v4l2_fh_release(file);
- mutex_unlock(&layer->mutex);
- return 0;
-}
-
-static const struct v4l2_file_operations mxr_fops = {
- .owner = THIS_MODULE,
- .open = mxr_video_open,
- .poll = mxr_video_poll,
- .mmap = mxr_video_mmap,
- .release = mxr_video_release,
- .unlocked_ioctl = video_ioctl2,
-};
-
-static int queue_setup(struct vb2_queue *vq,
- unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[],
- struct device *alloc_devs[])
-{
- struct mxr_layer *layer = vb2_get_drv_priv(vq);
- const struct mxr_format *fmt = layer->fmt;
- int i;
- struct mxr_device *mdev = layer->mdev;
- struct v4l2_plane_pix_format planes[3];
-
- mxr_dbg(mdev, "%s\n", __func__);
- /* checking if format was configured */
- if (fmt == NULL)
- return -EINVAL;
- mxr_dbg(mdev, "fmt = %s\n", fmt->name);
- mxr_mplane_fill(planes, fmt, layer->geo.src.full_width,
- layer->geo.src.full_height);
-
- *nplanes = fmt->num_subframes;
- for (i = 0; i < fmt->num_subframes; ++i) {
- sizes[i] = planes[i].sizeimage;
- mxr_dbg(mdev, "size[%d] = %08x\n", i, sizes[i]);
- }
-
- if (*nbuffers == 0)
- *nbuffers = 1;
-
- return 0;
-}
-
-static void buf_queue(struct vb2_buffer *vb)
-{
- struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
- struct mxr_buffer *buffer = container_of(vbuf, struct mxr_buffer, vb);
- struct mxr_layer *layer = vb2_get_drv_priv(vb->vb2_queue);
- struct mxr_device *mdev = layer->mdev;
- unsigned long flags;
-
- spin_lock_irqsave(&layer->enq_slock, flags);
- list_add_tail(&buffer->list, &layer->enq_list);
- spin_unlock_irqrestore(&layer->enq_slock, flags);
-
- mxr_dbg(mdev, "queuing buffer\n");
-}
-
-static int start_streaming(struct vb2_queue *vq, unsigned int count)
-{
- struct mxr_layer *layer = vb2_get_drv_priv(vq);
- struct mxr_device *mdev = layer->mdev;
- unsigned long flags;
-
- mxr_dbg(mdev, "%s\n", __func__);
-
- /* block any changes in output configuration */
- mxr_output_get(mdev);
-
- mxr_layer_update_output(layer);
- layer->ops.format_set(layer);
- /* enabling layer in hardware */
- spin_lock_irqsave(&layer->enq_slock, flags);
- layer->state = MXR_LAYER_STREAMING;
- spin_unlock_irqrestore(&layer->enq_slock, flags);
-
- layer->ops.stream_set(layer, MXR_ENABLE);
- mxr_streamer_get(mdev);
-
- return 0;
-}
-
-static void mxr_watchdog(unsigned long arg)
-{
- struct mxr_layer *layer = (struct mxr_layer *) arg;
- struct mxr_device *mdev = layer->mdev;
- unsigned long flags;
-
- mxr_err(mdev, "watchdog fired for layer %s\n", layer->vfd.name);
-
- spin_lock_irqsave(&layer->enq_slock, flags);
-
- if (layer->update_buf == layer->shadow_buf)
- layer->update_buf = NULL;
- if (layer->update_buf) {
- vb2_buffer_done(&layer->update_buf->vb.vb2_buf,
- VB2_BUF_STATE_ERROR);
- layer->update_buf = NULL;
- }
- if (layer->shadow_buf) {
- vb2_buffer_done(&layer->shadow_buf->vb.vb2_buf,
- VB2_BUF_STATE_ERROR);
- layer->shadow_buf = NULL;
- }
- spin_unlock_irqrestore(&layer->enq_slock, flags);
-}
-
-static void stop_streaming(struct vb2_queue *vq)
-{
- struct mxr_layer *layer = vb2_get_drv_priv(vq);
- struct mxr_device *mdev = layer->mdev;
- unsigned long flags;
- struct timer_list watchdog;
- struct mxr_buffer *buf, *buf_tmp;
-
- mxr_dbg(mdev, "%s\n", __func__);
-
- spin_lock_irqsave(&layer->enq_slock, flags);
-
- /* reset list */
- layer->state = MXR_LAYER_STREAMING_FINISH;
-
- /* set all buffer to be done */
- list_for_each_entry_safe(buf, buf_tmp, &layer->enq_list, list) {
- list_del(&buf->list);
- vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
- }
-
- spin_unlock_irqrestore(&layer->enq_slock, flags);
-
- /* give 1 seconds to complete to complete last buffers */
- setup_timer_on_stack(&watchdog, mxr_watchdog,
- (unsigned long)layer);
- mod_timer(&watchdog, jiffies + msecs_to_jiffies(1000));
-
- /* wait until all buffers are goes to done state */
- vb2_wait_for_all_buffers(vq);
-
- /* stop timer if all synchronization is done */
- del_timer_sync(&watchdog);
- destroy_timer_on_stack(&watchdog);
-
- /* stopping hardware */
- spin_lock_irqsave(&layer->enq_slock, flags);
- layer->state = MXR_LAYER_IDLE;
- spin_unlock_irqrestore(&layer->enq_slock, flags);
-
- /* disabling layer in hardware */
- layer->ops.stream_set(layer, MXR_DISABLE);
- /* remove one streamer */
- mxr_streamer_put(mdev);
- /* allow changes in output configuration */
- mxr_output_put(mdev);
-}
-
-static struct vb2_ops mxr_video_qops = {
- .queue_setup = queue_setup,
- .buf_queue = buf_queue,
- .wait_prepare = vb2_ops_wait_prepare,
- .wait_finish = vb2_ops_wait_finish,
- .start_streaming = start_streaming,
- .stop_streaming = stop_streaming,
-};
-
-/* FIXME: try to put this functions to mxr_base_layer_create */
-int mxr_base_layer_register(struct mxr_layer *layer)
-{
- struct mxr_device *mdev = layer->mdev;
- int ret;
-
- ret = video_register_device(&layer->vfd, VFL_TYPE_GRABBER, -1);
- if (ret)
- mxr_err(mdev, "failed to register video device\n");
- else
- mxr_info(mdev, "registered layer %s as /dev/video%d\n",
- layer->vfd.name, layer->vfd.num);
- return ret;
-}
-
-void mxr_base_layer_unregister(struct mxr_layer *layer)
-{
- video_unregister_device(&layer->vfd);
-}
-
-void mxr_layer_release(struct mxr_layer *layer)
-{
- if (layer->ops.release)
- layer->ops.release(layer);
-}
-
-void mxr_base_layer_release(struct mxr_layer *layer)
-{
- kfree(layer);
-}
-
-static void mxr_vfd_release(struct video_device *vdev)
-{
- pr_info("video device release\n");
-}
-
-struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev,
- int idx, char *name, const struct mxr_layer_ops *ops)
-{
- struct mxr_layer *layer;
-
- layer = kzalloc(sizeof(*layer), GFP_KERNEL);
- if (layer == NULL) {
- mxr_err(mdev, "not enough memory for layer.\n");
- goto fail;
- }
-
- layer->mdev = mdev;
- layer->idx = idx;
- layer->ops = *ops;
-
- spin_lock_init(&layer->enq_slock);
- INIT_LIST_HEAD(&layer->enq_list);
- mutex_init(&layer->mutex);
-
- layer->vfd = (struct video_device) {
- .minor = -1,
- .release = mxr_vfd_release,
- .fops = &mxr_fops,
- .vfl_dir = VFL_DIR_TX,
- .ioctl_ops = &mxr_ioctl_ops,
- };
- strlcpy(layer->vfd.name, name, sizeof(layer->vfd.name));
-
- video_set_drvdata(&layer->vfd, layer);
- layer->vfd.lock = &layer->mutex;
- layer->vfd.v4l2_dev = &mdev->v4l2_dev;
-
- layer->vb_queue = (struct vb2_queue) {
- .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
- .io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF,
- .drv_priv = layer,
- .buf_struct_size = sizeof(struct mxr_buffer),
- .ops = &mxr_video_qops,
- .min_buffers_needed = 1,
- .mem_ops = &vb2_dma_contig_memops,
- .lock = &layer->mutex,
- .dev = mdev->dev,
- };
-
- return layer;
-
-fail:
- return NULL;
-}
-
-static const struct mxr_format *find_format_by_fourcc(
- struct mxr_layer *layer, unsigned long fourcc)
-{
- int i;
-
- for (i = 0; i < layer->fmt_array_size; ++i)
- if (layer->fmt_array[i]->fourcc == fourcc)
- return layer->fmt_array[i];
- return NULL;
-}
-
-static const struct mxr_format *find_format_by_index(
- struct mxr_layer *layer, unsigned long index)
-{
- if (index >= layer->fmt_array_size)
- return NULL;
- return layer->fmt_array[index];
-}
-
+++ /dev/null
-/*
- * Samsung TV Mixer driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.com>
- *
- * 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
- */
-
-#include "mixer.h"
-
-#include "regs-vp.h"
-
-#include <media/videobuf2-dma-contig.h>
-
-/* FORMAT DEFINITIONS */
-static const struct mxr_format mxr_fmt_nv12 = {
- .name = "NV12",
- .fourcc = V4L2_PIX_FMT_NV12,
- .colorspace = V4L2_COLORSPACE_JPEG,
- .num_planes = 2,
- .plane = {
- { .width = 1, .height = 1, .size = 1 },
- { .width = 2, .height = 2, .size = 2 },
- },
- .num_subframes = 1,
- .cookie = VP_MODE_NV12 | VP_MODE_MEM_LINEAR,
-};
-
-static const struct mxr_format mxr_fmt_nv21 = {
- .name = "NV21",
- .fourcc = V4L2_PIX_FMT_NV21,
- .colorspace = V4L2_COLORSPACE_JPEG,
- .num_planes = 2,
- .plane = {
- { .width = 1, .height = 1, .size = 1 },
- { .width = 2, .height = 2, .size = 2 },
- },
- .num_subframes = 1,
- .cookie = VP_MODE_NV21 | VP_MODE_MEM_LINEAR,
-};
-
-static const struct mxr_format mxr_fmt_nv12m = {
- .name = "NV12 (mplane)",
- .fourcc = V4L2_PIX_FMT_NV12M,
- .colorspace = V4L2_COLORSPACE_JPEG,
- .num_planes = 2,
- .plane = {
- { .width = 1, .height = 1, .size = 1 },
- { .width = 2, .height = 2, .size = 2 },
- },
- .num_subframes = 2,
- .plane2subframe = {0, 1},
- .cookie = VP_MODE_NV12 | VP_MODE_MEM_LINEAR,
-};
-
-static const struct mxr_format mxr_fmt_nv12mt = {
- .name = "NV12 tiled (mplane)",
- .fourcc = V4L2_PIX_FMT_NV12MT,
- .colorspace = V4L2_COLORSPACE_JPEG,
- .num_planes = 2,
- .plane = {
- { .width = 128, .height = 32, .size = 4096 },
- { .width = 128, .height = 32, .size = 2048 },
- },
- .num_subframes = 2,
- .plane2subframe = {0, 1},
- .cookie = VP_MODE_NV12 | VP_MODE_MEM_TILED,
-};
-
-static const struct mxr_format *mxr_video_format[] = {
- &mxr_fmt_nv12,
- &mxr_fmt_nv21,
- &mxr_fmt_nv12m,
- &mxr_fmt_nv12mt,
-};
-
-/* AUXILIARY CALLBACKS */
-
-static void mxr_vp_layer_release(struct mxr_layer *layer)
-{
- mxr_base_layer_unregister(layer);
- mxr_base_layer_release(layer);
-}
-
-static void mxr_vp_buffer_set(struct mxr_layer *layer,
- struct mxr_buffer *buf)
-{
- dma_addr_t luma_addr[2] = {0, 0};
- dma_addr_t chroma_addr[2] = {0, 0};
-
- if (buf == NULL) {
- mxr_reg_vp_buffer(layer->mdev, luma_addr, chroma_addr);
- return;
- }
- luma_addr[0] = vb2_dma_contig_plane_dma_addr(&buf->vb.vb2_buf, 0);
- if (layer->fmt->num_subframes == 2) {
- chroma_addr[0] =
- vb2_dma_contig_plane_dma_addr(&buf->vb.vb2_buf, 1);
- } else {
- /* FIXME: mxr_get_plane_size compute integer division,
- * which is slow and should not be performed in interrupt */
- chroma_addr[0] = luma_addr[0] + mxr_get_plane_size(
- &layer->fmt->plane[0], layer->geo.src.full_width,
- layer->geo.src.full_height);
- }
- if (layer->fmt->cookie & VP_MODE_MEM_TILED) {
- luma_addr[1] = luma_addr[0] + 0x40;
- chroma_addr[1] = chroma_addr[0] + 0x40;
- } else {
- luma_addr[1] = luma_addr[0] + layer->geo.src.full_width;
- chroma_addr[1] = chroma_addr[0];
- }
- mxr_reg_vp_buffer(layer->mdev, luma_addr, chroma_addr);
-}
-
-static void mxr_vp_stream_set(struct mxr_layer *layer, int en)
-{
- mxr_reg_vp_layer_stream(layer->mdev, en);
-}
-
-static void mxr_vp_format_set(struct mxr_layer *layer)
-{
- mxr_reg_vp_format(layer->mdev, layer->fmt, &layer->geo);
-}
-
-static inline unsigned int do_center(unsigned int center,
- unsigned int size, unsigned int upper, unsigned int flags)
-{
- unsigned int lower;
-
- if (flags & MXR_NO_OFFSET)
- return 0;
-
- lower = center - min(center, size / 2);
- return min(lower, upper - size);
-}
-
-static void mxr_vp_fix_geometry(struct mxr_layer *layer,
- enum mxr_geometry_stage stage, unsigned long flags)
-{
- struct mxr_geometry *geo = &layer->geo;
- struct mxr_crop *src = &geo->src;
- struct mxr_crop *dst = &geo->dst;
- unsigned long x_center, y_center;
-
- switch (stage) {
-
- case MXR_GEOMETRY_SINK: /* nothing to be fixed here */
- case MXR_GEOMETRY_COMPOSE:
- /* remember center of the area */
- x_center = dst->x_offset + dst->width / 2;
- y_center = dst->y_offset + dst->height / 2;
-
- /* ensure that compose is reachable using 16x scaling */
- dst->width = clamp(dst->width, 8U, 16 * src->full_width);
- dst->height = clamp(dst->height, 1U, 16 * src->full_height);
-
- /* setup offsets */
- dst->x_offset = do_center(x_center, dst->width,
- dst->full_width, flags);
- dst->y_offset = do_center(y_center, dst->height,
- dst->full_height, flags);
- flags = 0; /* remove possible MXR_NO_OFFSET flag */
- /* fall through */
- case MXR_GEOMETRY_CROP:
- /* remember center of the area */
- x_center = src->x_offset + src->width / 2;
- y_center = src->y_offset + src->height / 2;
-
- /* ensure scaling is between 0.25x .. 16x */
- src->width = clamp(src->width, round_up(dst->width / 16, 4),
- dst->width * 4);
- src->height = clamp(src->height, round_up(dst->height / 16, 4),
- dst->height * 4);
-
- /* hardware limits */
- src->width = clamp(src->width, 32U, 2047U);
- src->height = clamp(src->height, 4U, 2047U);
-
- /* setup offsets */
- src->x_offset = do_center(x_center, src->width,
- src->full_width, flags);
- src->y_offset = do_center(y_center, src->height,
- src->full_height, flags);
-
- /* setting scaling ratio */
- geo->x_ratio = (src->width << 16) / dst->width;
- geo->y_ratio = (src->height << 16) / dst->height;
- /* fall through */
-
- case MXR_GEOMETRY_SOURCE:
- src->full_width = clamp(src->full_width,
- ALIGN(src->width + src->x_offset, 8), 8192U);
- src->full_height = clamp(src->full_height,
- src->height + src->y_offset, 8192U);
- }
-}
-
-/* PUBLIC API */
-
-struct mxr_layer *mxr_vp_layer_create(struct mxr_device *mdev, int idx)
-{
- struct mxr_layer *layer;
- int ret;
- const struct mxr_layer_ops ops = {
- .release = mxr_vp_layer_release,
- .buffer_set = mxr_vp_buffer_set,
- .stream_set = mxr_vp_stream_set,
- .format_set = mxr_vp_format_set,
- .fix_geometry = mxr_vp_fix_geometry,
- };
- char name[32];
-
- sprintf(name, "video%d", idx);
-
- layer = mxr_base_layer_create(mdev, idx, name, &ops);
- if (layer == NULL) {
- mxr_err(mdev, "failed to initialize layer(%d) base\n", idx);
- goto fail;
- }
-
- layer->fmt_array = mxr_video_format;
- layer->fmt_array_size = ARRAY_SIZE(mxr_video_format);
-
- ret = mxr_base_layer_register(layer);
- if (ret)
- goto fail_layer;
-
- return layer;
-
-fail_layer:
- mxr_base_layer_release(layer);
-
-fail:
- return NULL;
-}
-
+++ /dev/null
-/* 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_CON_2 */
-#define HDMI_DVI_PERAMBLE_EN (1 << 5)
-#define HDMI_DVI_BAND_EN (1 << 1)
-
-/* 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_FIELD_EN (1 << 1)
-#define HDMI_TG_EN (1 << 0)
-
-#endif /* SAMSUNG_REGS_HDMI_H */
+++ /dev/null
-/*
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * Mixer register header file for Samsung Mixer 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_MIXER_H
-#define SAMSUNG_REGS_MIXER_H
-
-/*
- * Register part
- */
-#define MXR_STATUS 0x0000
-#define MXR_CFG 0x0004
-#define MXR_INT_EN 0x0008
-#define MXR_INT_STATUS 0x000C
-#define MXR_LAYER_CFG 0x0010
-#define MXR_VIDEO_CFG 0x0014
-#define MXR_GRAPHIC0_CFG 0x0020
-#define MXR_GRAPHIC0_BASE 0x0024
-#define MXR_GRAPHIC0_SPAN 0x0028
-#define MXR_GRAPHIC0_SXY 0x002C
-#define MXR_GRAPHIC0_WH 0x0030
-#define MXR_GRAPHIC0_DXY 0x0034
-#define MXR_GRAPHIC0_BLANK 0x0038
-#define MXR_GRAPHIC1_CFG 0x0040
-#define MXR_GRAPHIC1_BASE 0x0044
-#define MXR_GRAPHIC1_SPAN 0x0048
-#define MXR_GRAPHIC1_SXY 0x004C
-#define MXR_GRAPHIC1_WH 0x0050
-#define MXR_GRAPHIC1_DXY 0x0054
-#define MXR_GRAPHIC1_BLANK 0x0058
-#define MXR_BG_CFG 0x0060
-#define MXR_BG_COLOR0 0x0064
-#define MXR_BG_COLOR1 0x0068
-#define MXR_BG_COLOR2 0x006C
-
-/* for parametrized access to layer registers */
-#define MXR_GRAPHIC_CFG(i) (0x0020 + (i) * 0x20)
-#define MXR_GRAPHIC_BASE(i) (0x0024 + (i) * 0x20)
-#define MXR_GRAPHIC_SPAN(i) (0x0028 + (i) * 0x20)
-#define MXR_GRAPHIC_SXY(i) (0x002C + (i) * 0x20)
-#define MXR_GRAPHIC_WH(i) (0x0030 + (i) * 0x20)
-#define MXR_GRAPHIC_DXY(i) (0x0034 + (i) * 0x20)
-
-/*
- * Bit definition part
- */
-
-/* generates mask for range of bits */
-#define MXR_MASK(high_bit, low_bit) \
- (((2 << ((high_bit) - (low_bit))) - 1) << (low_bit))
-
-#define MXR_MASK_VAL(val, high_bit, low_bit) \
- (((val) << (low_bit)) & MXR_MASK(high_bit, low_bit))
-
-/* bits for MXR_STATUS */
-#define MXR_STATUS_16_BURST (1 << 7)
-#define MXR_STATUS_BURST_MASK (1 << 7)
-#define MXR_STATUS_SYNC_ENABLE (1 << 2)
-#define MXR_STATUS_REG_RUN (1 << 0)
-
-/* bits for MXR_CFG */
-#define MXR_CFG_OUT_YUV444 (0 << 8)
-#define MXR_CFG_OUT_RGB888 (1 << 8)
-#define MXR_CFG_OUT_MASK (1 << 8)
-#define MXR_CFG_DST_SDO (0 << 7)
-#define MXR_CFG_DST_HDMI (1 << 7)
-#define MXR_CFG_DST_MASK (1 << 7)
-#define MXR_CFG_SCAN_HD_720 (0 << 6)
-#define MXR_CFG_SCAN_HD_1080 (1 << 6)
-#define MXR_CFG_GRP1_ENABLE (1 << 5)
-#define MXR_CFG_GRP0_ENABLE (1 << 4)
-#define MXR_CFG_VP_ENABLE (1 << 3)
-#define MXR_CFG_SCAN_INTERLACE (0 << 2)
-#define MXR_CFG_SCAN_PROGRASSIVE (1 << 2)
-#define MXR_CFG_SCAN_NTSC (0 << 1)
-#define MXR_CFG_SCAN_PAL (1 << 1)
-#define MXR_CFG_SCAN_SD (0 << 0)
-#define MXR_CFG_SCAN_HD (1 << 0)
-#define MXR_CFG_SCAN_MASK 0x47
-
-/* bits for MXR_GRAPHICn_CFG */
-#define MXR_GRP_CFG_COLOR_KEY_DISABLE (1 << 21)
-#define MXR_GRP_CFG_BLEND_PRE_MUL (1 << 20)
-#define MXR_GRP_CFG_FORMAT_VAL(x) MXR_MASK_VAL(x, 11, 8)
-#define MXR_GRP_CFG_FORMAT_MASK MXR_GRP_CFG_FORMAT_VAL(~0)
-#define MXR_GRP_CFG_ALPHA_VAL(x) MXR_MASK_VAL(x, 7, 0)
-
-/* bits for MXR_GRAPHICn_WH */
-#define MXR_GRP_WH_H_SCALE(x) MXR_MASK_VAL(x, 28, 28)
-#define MXR_GRP_WH_V_SCALE(x) MXR_MASK_VAL(x, 12, 12)
-#define MXR_GRP_WH_WIDTH(x) MXR_MASK_VAL(x, 26, 16)
-#define MXR_GRP_WH_HEIGHT(x) MXR_MASK_VAL(x, 10, 0)
-
-/* bits for MXR_GRAPHICn_SXY */
-#define MXR_GRP_SXY_SX(x) MXR_MASK_VAL(x, 26, 16)
-#define MXR_GRP_SXY_SY(x) MXR_MASK_VAL(x, 10, 0)
-
-/* bits for MXR_GRAPHICn_DXY */
-#define MXR_GRP_DXY_DX(x) MXR_MASK_VAL(x, 26, 16)
-#define MXR_GRP_DXY_DY(x) MXR_MASK_VAL(x, 10, 0)
-
-/* bits for MXR_INT_EN */
-#define MXR_INT_EN_VSYNC (1 << 11)
-#define MXR_INT_EN_ALL (0x0f << 8)
-
-/* bit for MXR_INT_STATUS */
-#define MXR_INT_CLEAR_VSYNC (1 << 11)
-#define MXR_INT_STATUS_VSYNC (1 << 0)
-
-/* bit for MXR_LAYER_CFG */
-#define MXR_LAYER_CFG_GRP1_VAL(x) MXR_MASK_VAL(x, 11, 8)
-#define MXR_LAYER_CFG_GRP0_VAL(x) MXR_MASK_VAL(x, 7, 4)
-#define MXR_LAYER_CFG_VP_VAL(x) MXR_MASK_VAL(x, 3, 0)
-
-#endif /* SAMSUNG_REGS_MIXER_H */
-
+++ /dev/null
-/* drivers/media/platform/s5p-tv/regs-sdo.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * SDO register description file
- *
- * 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_SDO_H
-#define SAMSUNG_REGS_SDO_H
-
-/*
- * Register part
- */
-
-#define SDO_CLKCON 0x0000
-#define SDO_CONFIG 0x0008
-#define SDO_VBI 0x0014
-#define SDO_DAC 0x003C
-#define SDO_CCCON 0x0180
-#define SDO_IRQ 0x0280
-#define SDO_IRQMASK 0x0284
-#define SDO_VERSION 0x03D8
-
-/*
- * Bit definition part
- */
-
-/* SDO Clock Control Register (SDO_CLKCON) */
-#define SDO_TVOUT_SW_RESET (1 << 4)
-#define SDO_TVOUT_CLOCK_READY (1 << 1)
-#define SDO_TVOUT_CLOCK_ON (1 << 0)
-
-/* SDO Video Standard Configuration Register (SDO_CONFIG) */
-#define SDO_PROGRESSIVE (1 << 4)
-#define SDO_NTSC_M 0
-#define SDO_PAL_M 1
-#define SDO_PAL_BGHID 2
-#define SDO_PAL_N 3
-#define SDO_PAL_NC 4
-#define SDO_NTSC_443 8
-#define SDO_PAL_60 9
-#define SDO_STANDARD_MASK 0xf
-
-/* SDO VBI Configuration Register (SDO_VBI) */
-#define SDO_CVBS_WSS_INS (1 << 14)
-#define SDO_CVBS_CLOSED_CAPTION_MASK (3 << 12)
-
-/* SDO DAC Configuration Register (SDO_DAC) */
-#define SDO_POWER_ON_DAC (1 << 0)
-
-/* SDO Color Compensation On/Off Control (SDO_CCCON) */
-#define SDO_COMPENSATION_BHS_ADJ_OFF (1 << 4)
-#define SDO_COMPENSATION_CVBS_COMP_OFF (1 << 0)
-
-/* SDO Interrupt Request Register (SDO_IRQ) */
-#define SDO_VSYNC_IRQ_PEND (1 << 0)
-
-#endif /* SAMSUNG_REGS_SDO_H */
+++ /dev/null
-/*
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * Video processor register header file for Samsung Mixer 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_VP_H
-#define SAMSUNG_REGS_VP_H
-
-/*
- * Register part
- */
-
-#define VP_ENABLE 0x0000
-#define VP_SRESET 0x0004
-#define VP_SHADOW_UPDATE 0x0008
-#define VP_FIELD_ID 0x000C
-#define VP_MODE 0x0010
-#define VP_IMG_SIZE_Y 0x0014
-#define VP_IMG_SIZE_C 0x0018
-#define VP_PER_RATE_CTRL 0x001C
-#define VP_TOP_Y_PTR 0x0028
-#define VP_BOT_Y_PTR 0x002C
-#define VP_TOP_C_PTR 0x0030
-#define VP_BOT_C_PTR 0x0034
-#define VP_ENDIAN_MODE 0x03CC
-#define VP_SRC_H_POSITION 0x0044
-#define VP_SRC_V_POSITION 0x0048
-#define VP_SRC_WIDTH 0x004C
-#define VP_SRC_HEIGHT 0x0050
-#define VP_DST_H_POSITION 0x0054
-#define VP_DST_V_POSITION 0x0058
-#define VP_DST_WIDTH 0x005C
-#define VP_DST_HEIGHT 0x0060
-#define VP_H_RATIO 0x0064
-#define VP_V_RATIO 0x0068
-#define VP_POLY8_Y0_LL 0x006C
-#define VP_POLY4_Y0_LL 0x00EC
-#define VP_POLY4_C0_LL 0x012C
-
-/*
- * Bit definition part
- */
-
-/* generates mask for range of bits */
-
-#define VP_MASK(high_bit, low_bit) \
- (((2 << ((high_bit) - (low_bit))) - 1) << (low_bit))
-
-#define VP_MASK_VAL(val, high_bit, low_bit) \
- (((val) << (low_bit)) & VP_MASK(high_bit, low_bit))
-
- /* VP_ENABLE */
-#define VP_ENABLE_ON (1 << 0)
-
-/* VP_SRESET */
-#define VP_SRESET_PROCESSING (1 << 0)
-
-/* VP_SHADOW_UPDATE */
-#define VP_SHADOW_UPDATE_ENABLE (1 << 0)
-
-/* VP_MODE */
-#define VP_MODE_NV12 (0 << 6)
-#define VP_MODE_NV21 (1 << 6)
-#define VP_MODE_LINE_SKIP (1 << 5)
-#define VP_MODE_MEM_LINEAR (0 << 4)
-#define VP_MODE_MEM_TILED (1 << 4)
-#define VP_MODE_FMT_MASK (5 << 4)
-#define VP_MODE_FIELD_ID_AUTO_TOGGLING (1 << 2)
-#define VP_MODE_2D_IPC (1 << 1)
-
-/* VP_IMG_SIZE_Y */
-/* VP_IMG_SIZE_C */
-#define VP_IMG_HSIZE(x) VP_MASK_VAL(x, 29, 16)
-#define VP_IMG_VSIZE(x) VP_MASK_VAL(x, 13, 0)
-
-/* VP_SRC_H_POSITION */
-#define VP_SRC_H_POSITION_VAL(x) VP_MASK_VAL(x, 14, 4)
-
-/* VP_ENDIAN_MODE */
-#define VP_ENDIAN_MODE_LITTLE (1 << 0)
-
-#endif /* SAMSUNG_REGS_VP_H */
+++ /dev/null
-/*
- * Samsung Standard Definition Output (SDO) driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.com>
- *
- * 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
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/regulator/consumer.h>
-#include <linux/slab.h>
-
-#include <media/v4l2-subdev.h>
-
-#include "regs-sdo.h"
-
-MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>");
-MODULE_DESCRIPTION("Samsung Standard Definition Output (SDO)");
-MODULE_LICENSE("GPL");
-
-#define SDO_DEFAULT_STD V4L2_STD_PAL
-
-struct sdo_format {
- v4l2_std_id id;
- /* all modes are 720 pixels wide */
- unsigned int height;
- unsigned int cookie;
-};
-
-struct sdo_device {
- /** pointer to device parent */
- struct device *dev;
- /** base address of SDO registers */
- void __iomem *regs;
- /** SDO interrupt */
- unsigned int irq;
- /** DAC source clock */
- struct clk *sclk_dac;
- /** DAC clock */
- struct clk *dac;
- /** DAC physical interface */
- struct clk *dacphy;
- /** clock for control of VPLL */
- struct clk *fout_vpll;
- /** vpll rate before sdo stream was on */
- unsigned long vpll_rate;
- /** regulator for SDO IP power */
- struct regulator *vdac;
- /** regulator for SDO plug detection */
- struct regulator *vdet;
- /** subdev used as device interface */
- struct v4l2_subdev sd;
- /** current format */
- const struct sdo_format *fmt;
-};
-
-static inline struct sdo_device *sd_to_sdev(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct sdo_device, sd);
-}
-
-static inline
-void sdo_write_mask(struct sdo_device *sdev, u32 reg_id, u32 value, u32 mask)
-{
- u32 old = readl(sdev->regs + reg_id);
- value = (value & mask) | (old & ~mask);
- writel(value, sdev->regs + reg_id);
-}
-
-static inline
-void sdo_write(struct sdo_device *sdev, u32 reg_id, u32 value)
-{
- writel(value, sdev->regs + reg_id);
-}
-
-static inline
-u32 sdo_read(struct sdo_device *sdev, u32 reg_id)
-{
- return readl(sdev->regs + reg_id);
-}
-
-static irqreturn_t sdo_irq_handler(int irq, void *dev_data)
-{
- struct sdo_device *sdev = dev_data;
-
- /* clear interrupt */
- sdo_write_mask(sdev, SDO_IRQ, ~0, SDO_VSYNC_IRQ_PEND);
- return IRQ_HANDLED;
-}
-
-static void sdo_reg_debug(struct sdo_device *sdev)
-{
-#define DBGREG(reg_id) \
- dev_info(sdev->dev, #reg_id " = %08x\n", \
- sdo_read(sdev, reg_id))
-
- DBGREG(SDO_CLKCON);
- DBGREG(SDO_CONFIG);
- DBGREG(SDO_VBI);
- DBGREG(SDO_DAC);
- DBGREG(SDO_IRQ);
- DBGREG(SDO_IRQMASK);
- DBGREG(SDO_VERSION);
-}
-
-static const struct sdo_format sdo_format[] = {
- { V4L2_STD_PAL_N, .height = 576, .cookie = SDO_PAL_N },
- { V4L2_STD_PAL_Nc, .height = 576, .cookie = SDO_PAL_NC },
- { V4L2_STD_PAL_M, .height = 480, .cookie = SDO_PAL_M },
- { V4L2_STD_PAL_60, .height = 480, .cookie = SDO_PAL_60 },
- { V4L2_STD_NTSC_443, .height = 480, .cookie = SDO_NTSC_443 },
- { V4L2_STD_PAL, .height = 576, .cookie = SDO_PAL_BGHID },
- { V4L2_STD_NTSC_M, .height = 480, .cookie = SDO_NTSC_M },
-};
-
-static const struct sdo_format *sdo_find_format(v4l2_std_id id)
-{
- int i;
- for (i = 0; i < ARRAY_SIZE(sdo_format); ++i)
- if (sdo_format[i].id & id)
- return &sdo_format[i];
- return NULL;
-}
-
-static int sdo_g_tvnorms_output(struct v4l2_subdev *sd, v4l2_std_id *std)
-{
- *std = V4L2_STD_NTSC_M | V4L2_STD_PAL_M | V4L2_STD_PAL |
- V4L2_STD_PAL_N | V4L2_STD_PAL_Nc |
- V4L2_STD_NTSC_443 | V4L2_STD_PAL_60;
- return 0;
-}
-
-static int sdo_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
-{
- struct sdo_device *sdev = sd_to_sdev(sd);
- const struct sdo_format *fmt;
- fmt = sdo_find_format(std);
- if (fmt == NULL)
- return -EINVAL;
- sdev->fmt = fmt;
- return 0;
-}
-
-static int sdo_g_std_output(struct v4l2_subdev *sd, v4l2_std_id *std)
-{
- *std = sd_to_sdev(sd)->fmt->id;
- return 0;
-}
-
-static int sdo_get_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
-{
- struct v4l2_mbus_framefmt *fmt = &format->format;
- struct sdo_device *sdev = sd_to_sdev(sd);
-
- if (!sdev->fmt)
- return -ENXIO;
- if (format->pad)
- return -EINVAL;
- /* all modes are 720 pixels wide */
- fmt->width = 720;
- fmt->height = sdev->fmt->height;
- fmt->code = MEDIA_BUS_FMT_FIXED;
- fmt->field = V4L2_FIELD_INTERLACED;
- fmt->colorspace = V4L2_COLORSPACE_JPEG;
- return 0;
-}
-
-static int sdo_s_power(struct v4l2_subdev *sd, int on)
-{
- struct sdo_device *sdev = sd_to_sdev(sd);
- struct device *dev = sdev->dev;
- int ret;
-
- dev_info(dev, "sdo_s_power(%d)\n", on);
-
- if (on)
- ret = pm_runtime_get_sync(dev);
- else
- ret = pm_runtime_put_sync(dev);
-
- /* only values < 0 indicate errors */
- return ret < 0 ? ret : 0;
-}
-
-static int sdo_streamon(struct sdo_device *sdev)
-{
- int ret;
-
- /* set proper clock for Timing Generator */
- sdev->vpll_rate = clk_get_rate(sdev->fout_vpll);
- ret = clk_set_rate(sdev->fout_vpll, 54000000);
- if (ret < 0) {
- dev_err(sdev->dev, "Failed to set vpll rate\n");
- return ret;
- }
- dev_info(sdev->dev, "fout_vpll.rate = %lu\n",
- clk_get_rate(sdev->fout_vpll));
- /* enable clock in SDO */
- sdo_write_mask(sdev, SDO_CLKCON, ~0, SDO_TVOUT_CLOCK_ON);
- ret = clk_prepare_enable(sdev->dacphy);
- if (ret < 0) {
- dev_err(sdev->dev, "clk_prepare_enable(dacphy) failed\n");
- goto fail;
- }
- /* enable DAC */
- sdo_write_mask(sdev, SDO_DAC, ~0, SDO_POWER_ON_DAC);
- sdo_reg_debug(sdev);
- return 0;
-
-fail:
- sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_CLOCK_ON);
- clk_set_rate(sdev->fout_vpll, sdev->vpll_rate);
- return ret;
-}
-
-static int sdo_streamoff(struct sdo_device *sdev)
-{
- int tries;
-
- sdo_write_mask(sdev, SDO_DAC, 0, SDO_POWER_ON_DAC);
- clk_disable_unprepare(sdev->dacphy);
- sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_CLOCK_ON);
- for (tries = 100; tries; --tries) {
- if (sdo_read(sdev, SDO_CLKCON) & SDO_TVOUT_CLOCK_READY)
- break;
- mdelay(1);
- }
- if (tries == 0)
- dev_err(sdev->dev, "failed to stop streaming\n");
- clk_set_rate(sdev->fout_vpll, sdev->vpll_rate);
- return tries ? 0 : -EIO;
-}
-
-static int sdo_s_stream(struct v4l2_subdev *sd, int on)
-{
- struct sdo_device *sdev = sd_to_sdev(sd);
- return on ? sdo_streamon(sdev) : sdo_streamoff(sdev);
-}
-
-static const struct v4l2_subdev_core_ops sdo_sd_core_ops = {
- .s_power = sdo_s_power,
-};
-
-static const struct v4l2_subdev_video_ops sdo_sd_video_ops = {
- .s_std_output = sdo_s_std_output,
- .g_std_output = sdo_g_std_output,
- .g_tvnorms_output = sdo_g_tvnorms_output,
- .s_stream = sdo_s_stream,
-};
-
-static const struct v4l2_subdev_pad_ops sdo_sd_pad_ops = {
- .get_fmt = sdo_get_fmt,
-};
-
-static const struct v4l2_subdev_ops sdo_sd_ops = {
- .core = &sdo_sd_core_ops,
- .video = &sdo_sd_video_ops,
- .pad = &sdo_sd_pad_ops,
-};
-
-static int sdo_runtime_suspend(struct device *dev)
-{
- struct v4l2_subdev *sd = dev_get_drvdata(dev);
- struct sdo_device *sdev = sd_to_sdev(sd);
-
- dev_info(dev, "suspend\n");
- regulator_disable(sdev->vdet);
- regulator_disable(sdev->vdac);
- clk_disable_unprepare(sdev->sclk_dac);
- return 0;
-}
-
-static int sdo_runtime_resume(struct device *dev)
-{
- struct v4l2_subdev *sd = dev_get_drvdata(dev);
- struct sdo_device *sdev = sd_to_sdev(sd);
- int ret;
-
- dev_info(dev, "resume\n");
-
- ret = clk_prepare_enable(sdev->sclk_dac);
- if (ret < 0)
- return ret;
-
- ret = regulator_enable(sdev->vdac);
- if (ret < 0)
- goto dac_clk_dis;
-
- ret = regulator_enable(sdev->vdet);
- if (ret < 0)
- goto vdac_r_dis;
-
- /* software reset */
- sdo_write_mask(sdev, SDO_CLKCON, ~0, SDO_TVOUT_SW_RESET);
- mdelay(10);
- sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_SW_RESET);
-
- /* setting TV mode */
- sdo_write_mask(sdev, SDO_CONFIG, sdev->fmt->cookie, SDO_STANDARD_MASK);
- /* XXX: forcing interlaced mode using undocumented bit */
- sdo_write_mask(sdev, SDO_CONFIG, 0, SDO_PROGRESSIVE);
- /* turn all VBI off */
- sdo_write_mask(sdev, SDO_VBI, 0, SDO_CVBS_WSS_INS |
- SDO_CVBS_CLOSED_CAPTION_MASK);
- /* turn all post processing off */
- sdo_write_mask(sdev, SDO_CCCON, ~0, SDO_COMPENSATION_BHS_ADJ_OFF |
- SDO_COMPENSATION_CVBS_COMP_OFF);
- sdo_reg_debug(sdev);
- return 0;
-
-vdac_r_dis:
- regulator_disable(sdev->vdac);
-dac_clk_dis:
- clk_disable_unprepare(sdev->sclk_dac);
- return ret;
-}
-
-static const struct dev_pm_ops sdo_pm_ops = {
- .runtime_suspend = sdo_runtime_suspend,
- .runtime_resume = sdo_runtime_resume,
-};
-
-static int sdo_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct sdo_device *sdev;
- struct resource *res;
- int ret = 0;
- struct clk *sclk_vpll;
-
- dev_info(dev, "probe start\n");
- sdev = devm_kzalloc(&pdev->dev, sizeof(*sdev), GFP_KERNEL);
- if (!sdev) {
- dev_err(dev, "not enough memory.\n");
- ret = -ENOMEM;
- goto fail;
- }
- sdev->dev = dev;
-
- /* mapping registers */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- dev_err(dev, "get memory resource failed.\n");
- ret = -ENXIO;
- goto fail;
- }
-
- sdev->regs = devm_ioremap(&pdev->dev, res->start, resource_size(res));
- if (sdev->regs == NULL) {
- dev_err(dev, "register mapping failed.\n");
- ret = -ENXIO;
- goto fail;
- }
-
- /* acquiring interrupt */
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
- dev_err(dev, "get interrupt resource failed.\n");
- ret = -ENXIO;
- goto fail;
- }
- ret = devm_request_irq(&pdev->dev, res->start, sdo_irq_handler, 0,
- "s5p-sdo", sdev);
- if (ret) {
- dev_err(dev, "request interrupt failed.\n");
- goto fail;
- }
- sdev->irq = res->start;
-
- /* acquire clocks */
- sdev->sclk_dac = clk_get(dev, "sclk_dac");
- if (IS_ERR(sdev->sclk_dac)) {
- dev_err(dev, "failed to get clock 'sclk_dac'\n");
- ret = PTR_ERR(sdev->sclk_dac);
- goto fail;
- }
- sdev->dac = clk_get(dev, "dac");
- if (IS_ERR(sdev->dac)) {
- dev_err(dev, "failed to get clock 'dac'\n");
- ret = PTR_ERR(sdev->dac);
- goto fail_sclk_dac;
- }
- sdev->dacphy = clk_get(dev, "dacphy");
- if (IS_ERR(sdev->dacphy)) {
- dev_err(dev, "failed to get clock 'dacphy'\n");
- ret = PTR_ERR(sdev->dacphy);
- goto fail_dac;
- }
- sclk_vpll = clk_get(dev, "sclk_vpll");
- if (IS_ERR(sclk_vpll)) {
- dev_err(dev, "failed to get clock 'sclk_vpll'\n");
- ret = PTR_ERR(sclk_vpll);
- goto fail_dacphy;
- }
- clk_set_parent(sdev->sclk_dac, sclk_vpll);
- clk_put(sclk_vpll);
- sdev->fout_vpll = clk_get(dev, "fout_vpll");
- if (IS_ERR(sdev->fout_vpll)) {
- dev_err(dev, "failed to get clock 'fout_vpll'\n");
- ret = PTR_ERR(sdev->fout_vpll);
- goto fail_dacphy;
- }
- dev_info(dev, "fout_vpll.rate = %lu\n", clk_get_rate(sclk_vpll));
-
- /* acquire regulator */
- sdev->vdac = devm_regulator_get(dev, "vdd33a_dac");
- if (IS_ERR(sdev->vdac)) {
- dev_err(dev, "failed to get regulator 'vdac'\n");
- ret = PTR_ERR(sdev->vdac);
- goto fail_fout_vpll;
- }
- sdev->vdet = devm_regulator_get(dev, "vdet");
- if (IS_ERR(sdev->vdet)) {
- dev_err(dev, "failed to get regulator 'vdet'\n");
- ret = PTR_ERR(sdev->vdet);
- goto fail_fout_vpll;
- }
-
- /* enable gate for dac clock, because mixer uses it */
- ret = clk_prepare_enable(sdev->dac);
- if (ret < 0) {
- dev_err(dev, "clk_prepare_enable(dac) failed\n");
- goto fail_fout_vpll;
- }
-
- /* configure power management */
- pm_runtime_enable(dev);
-
- /* configuration of interface subdevice */
- v4l2_subdev_init(&sdev->sd, &sdo_sd_ops);
- sdev->sd.owner = THIS_MODULE;
- strlcpy(sdev->sd.name, "s5p-sdo", sizeof(sdev->sd.name));
-
- /* set default format */
- sdev->fmt = sdo_find_format(SDO_DEFAULT_STD);
- BUG_ON(sdev->fmt == NULL);
-
- /* keeping subdev in device's private for use by other drivers */
- dev_set_drvdata(dev, &sdev->sd);
-
- dev_info(dev, "probe succeeded\n");
- return 0;
-
-fail_fout_vpll:
- clk_put(sdev->fout_vpll);
-fail_dacphy:
- clk_put(sdev->dacphy);
-fail_dac:
- clk_put(sdev->dac);
-fail_sclk_dac:
- clk_put(sdev->sclk_dac);
-fail:
- dev_info(dev, "probe failed\n");
- return ret;
-}
-
-static int sdo_remove(struct platform_device *pdev)
-{
- struct v4l2_subdev *sd = dev_get_drvdata(&pdev->dev);
- struct sdo_device *sdev = sd_to_sdev(sd);
-
- pm_runtime_disable(&pdev->dev);
- clk_disable_unprepare(sdev->dac);
- clk_put(sdev->fout_vpll);
- clk_put(sdev->dacphy);
- clk_put(sdev->dac);
- clk_put(sdev->sclk_dac);
-
- dev_info(&pdev->dev, "remove successful\n");
- return 0;
-}
-
-static struct platform_driver sdo_driver __refdata = {
- .probe = sdo_probe,
- .remove = sdo_remove,
- .driver = {
- .name = "s5p-sdo",
- .pm = &sdo_pm_ops,
- }
-};
-
-module_platform_driver(sdo_driver);
+++ /dev/null
-/*
- * Samsung MHL interface driver
- *
- * Copyright (C) 2011 Samsung Electronics Co.Ltd
- * Author: Tomasz Stanislawski <t.stanislaws@samsung.com>
- *
- * 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/delay.h>
-#include <linux/err.h>
-#include <linux/freezer.h>
-#include <linux/gpio.h>
-#include <linux/i2c.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/kthread.h>
-#include <linux/module.h>
-#include <linux/pm_runtime.h>
-#include <linux/regulator/machine.h>
-#include <linux/slab.h>
-
-#include <linux/platform_data/media/sii9234.h>
-#include <media/v4l2-subdev.h>
-
-MODULE_AUTHOR("Tomasz Stanislawski <t.stanislaws@samsung.com>");
-MODULE_DESCRIPTION("Samsung MHL interface driver");
-MODULE_LICENSE("GPL");
-
-struct sii9234_context {
- struct i2c_client *client;
- struct regulator *power;
- int gpio_n_reset;
- struct v4l2_subdev sd;
-};
-
-static inline struct sii9234_context *sd_to_context(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct sii9234_context, sd);
-}
-
-static inline int sii9234_readb(struct i2c_client *client, int addr)
-{
- return i2c_smbus_read_byte_data(client, addr);
-}
-
-static inline int sii9234_writeb(struct i2c_client *client, int addr, int value)
-{
- return i2c_smbus_write_byte_data(client, addr, value);
-}
-
-static inline int sii9234_writeb_mask(struct i2c_client *client, int addr,
- int value, int mask)
-{
- int ret;
-
- ret = i2c_smbus_read_byte_data(client, addr);
- if (ret < 0)
- return ret;
- ret = (ret & ~mask) | (value & mask);
- return i2c_smbus_write_byte_data(client, addr, ret);
-}
-
-static inline int sii9234_readb_idx(struct i2c_client *client, int addr)
-{
- int ret;
- ret = i2c_smbus_write_byte_data(client, 0xbc, addr >> 8);
- if (ret < 0)
- return ret;
- ret = i2c_smbus_write_byte_data(client, 0xbd, addr & 0xff);
- if (ret < 0)
- return ret;
- return i2c_smbus_read_byte_data(client, 0xbe);
-}
-
-static inline int sii9234_writeb_idx(struct i2c_client *client, int addr,
- int value)
-{
- int ret;
- ret = i2c_smbus_write_byte_data(client, 0xbc, addr >> 8);
- if (ret < 0)
- return ret;
- ret = i2c_smbus_write_byte_data(client, 0xbd, addr & 0xff);
- if (ret < 0)
- return ret;
- ret = i2c_smbus_write_byte_data(client, 0xbe, value);
- return ret;
-}
-
-static inline int sii9234_writeb_idx_mask(struct i2c_client *client, int addr,
- int value, int mask)
-{
- int ret;
-
- ret = sii9234_readb_idx(client, addr);
- if (ret < 0)
- return ret;
- ret = (ret & ~mask) | (value & mask);
- return sii9234_writeb_idx(client, addr, ret);
-}
-
-static int sii9234_reset(struct sii9234_context *ctx)
-{
- struct i2c_client *client = ctx->client;
- struct device *dev = &client->dev;
- int ret, tries;
-
- gpio_direction_output(ctx->gpio_n_reset, 1);
- mdelay(1);
- gpio_direction_output(ctx->gpio_n_reset, 0);
- mdelay(1);
- gpio_direction_output(ctx->gpio_n_reset, 1);
- mdelay(1);
-
- /* going to TTPI mode */
- ret = sii9234_writeb(client, 0xc7, 0);
- if (ret < 0) {
- dev_err(dev, "failed to set TTPI mode\n");
- return ret;
- }
- for (tries = 0; tries < 100 ; ++tries) {
- ret = sii9234_readb(client, 0x1b);
- if (ret > 0)
- break;
- if (ret < 0) {
- dev_err(dev, "failed to reset device\n");
- return -EIO;
- }
- mdelay(1);
- }
- if (tries == 100) {
- dev_err(dev, "maximal number of tries reached\n");
- return -EIO;
- }
-
- return 0;
-}
-
-static int sii9234_verify_version(struct i2c_client *client)
-{
- struct device *dev = &client->dev;
- int family, rev, tpi_rev, dev_id, sub_id, hdcp, id;
-
- family = sii9234_readb(client, 0x1b);
- rev = sii9234_readb(client, 0x1c) & 0x0f;
- tpi_rev = sii9234_readb(client, 0x1d) & 0x7f;
- dev_id = sii9234_readb_idx(client, 0x0103);
- sub_id = sii9234_readb_idx(client, 0x0102);
- hdcp = sii9234_readb(client, 0x30);
-
- if (family < 0 || rev < 0 || tpi_rev < 0 || dev_id < 0 ||
- sub_id < 0 || hdcp < 0) {
- dev_err(dev, "failed to read chip's version\n");
- return -EIO;
- }
-
- id = (dev_id << 8) | sub_id;
-
- dev_info(dev, "chip: SiL%02x family: %02x, rev: %02x\n",
- id, family, rev);
- dev_info(dev, "tpi_rev:%02x, hdcp: %02x\n", tpi_rev, hdcp);
- if (id != 0x9234) {
- dev_err(dev, "not supported chip\n");
- return -ENODEV;
- }
-
- return 0;
-}
-
-static u8 data[][3] = {
-/* setup from driver created by doonsoo45.kim */
- { 0x01, 0x05, 0x04 }, /* Enable Auto soft reset on SCDT = 0 */
- { 0x01, 0x08, 0x35 }, /* Power Up TMDS Tx Core */
- { 0x01, 0x0d, 0x1c }, /* HDMI Transcode mode enable */
- { 0x01, 0x2b, 0x01 }, /* Enable HDCP Compliance workaround */
- { 0x01, 0x79, 0x40 }, /* daniel test...MHL_INT */
- { 0x01, 0x80, 0x34 }, /* Enable Rx PLL Clock Value */
- { 0x01, 0x90, 0x27 }, /* Enable CBUS discovery */
- { 0x01, 0x91, 0xe5 }, /* Skip RGND detection */
- { 0x01, 0x92, 0x46 }, /* Force MHD mode */
- { 0x01, 0x93, 0xdc }, /* Disable CBUS pull-up during RGND measurement */
- { 0x01, 0x94, 0x66 }, /* 1.8V CBUS VTH & GND threshold */
- { 0x01, 0x95, 0x31 }, /* RGND block & single discovery attempt */
- { 0x01, 0x96, 0x22 }, /* use 1K and 2K setting */
- { 0x01, 0xa0, 0x10 }, /* SIMG: Term mode */
- { 0x01, 0xa1, 0xfc }, /* Disable internal Mobile HD driver */
- { 0x01, 0xa3, 0xfa }, /* SIMG: Output Swing default EB, 3x Clk Mult */
- { 0x01, 0xa5, 0x80 }, /* SIMG: RGND Hysterisis, 3x mode for Beast */
- { 0x01, 0xa6, 0x0c }, /* SIMG: Swing Offset */
- { 0x02, 0x3d, 0x3f }, /* Power up CVCC 1.2V core */
- { 0x03, 0x00, 0x00 }, /* SIMG: correcting HW default */
- { 0x03, 0x11, 0x01 }, /* Enable TxPLL Clock */
- { 0x03, 0x12, 0x15 }, /* Enable Tx Clock Path & Equalizer */
- { 0x03, 0x13, 0x60 }, /* SIMG: Set termination value */
- { 0x03, 0x14, 0xf0 }, /* SIMG: Change CKDT level */
- { 0x03, 0x17, 0x07 }, /* SIMG: PLL Calrefsel */
- { 0x03, 0x1a, 0x20 }, /* VCO Cal */
- { 0x03, 0x22, 0xe0 }, /* SIMG: Auto EQ */
- { 0x03, 0x23, 0xc0 }, /* SIMG: Auto EQ */
- { 0x03, 0x24, 0xa0 }, /* SIMG: Auto EQ */
- { 0x03, 0x25, 0x80 }, /* SIMG: Auto EQ */
- { 0x03, 0x26, 0x60 }, /* SIMG: Auto EQ */
- { 0x03, 0x27, 0x40 }, /* SIMG: Auto EQ */
- { 0x03, 0x28, 0x20 }, /* SIMG: Auto EQ */
- { 0x03, 0x29, 0x00 }, /* SIMG: Auto EQ */
- { 0x03, 0x31, 0x0b }, /* SIMG: Rx PLL BW value from I2C BW ~ 4MHz */
- { 0x03, 0x45, 0x06 }, /* SIMG: DPLL Mode */
- { 0x03, 0x4b, 0x06 }, /* SIMG: Correcting HW default */
- { 0x03, 0x4c, 0xa0 }, /* Manual zone control */
- { 0x03, 0x4d, 0x02 }, /* SIMG: PLL Mode Value (order is important) */
-};
-
-static int sii9234_set_internal(struct sii9234_context *ctx)
-{
- struct i2c_client *client = ctx->client;
- int i, ret;
-
- for (i = 0; i < ARRAY_SIZE(data); ++i) {
- int addr = (data[i][0] << 8) | data[i][1];
- ret = sii9234_writeb_idx(client, addr, data[i][2]);
- if (ret < 0)
- return ret;
- }
- return 0;
-}
-
-static int sii9234_runtime_suspend(struct device *dev)
-{
- struct v4l2_subdev *sd = dev_get_drvdata(dev);
- struct sii9234_context *ctx = sd_to_context(sd);
- struct i2c_client *client = ctx->client;
-
- dev_info(dev, "suspend start\n");
-
- sii9234_writeb_mask(client, 0x1e, 3, 3);
- regulator_disable(ctx->power);
-
- return 0;
-}
-
-static int sii9234_runtime_resume(struct device *dev)
-{
- struct v4l2_subdev *sd = dev_get_drvdata(dev);
- struct sii9234_context *ctx = sd_to_context(sd);
- struct i2c_client *client = ctx->client;
- int ret;
-
- dev_info(dev, "resume start\n");
- ret = regulator_enable(ctx->power);
- if (ret < 0)
- return ret;
-
- ret = sii9234_reset(ctx);
- if (ret)
- goto fail;
-
- /* enable tpi */
- ret = sii9234_writeb_mask(client, 0x1e, 1, 0);
- if (ret < 0)
- goto fail;
- ret = sii9234_set_internal(ctx);
- if (ret < 0)
- goto fail;
-
- return 0;
-
-fail:
- dev_err(dev, "failed to resume\n");
- regulator_disable(ctx->power);
-
- return ret;
-}
-
-static const struct dev_pm_ops sii9234_pm_ops = {
- .runtime_suspend = sii9234_runtime_suspend,
- .runtime_resume = sii9234_runtime_resume,
-};
-
-static int sii9234_s_power(struct v4l2_subdev *sd, int on)
-{
- struct sii9234_context *ctx = sd_to_context(sd);
- int ret;
-
- if (on)
- ret = pm_runtime_get_sync(&ctx->client->dev);
- else
- ret = pm_runtime_put(&ctx->client->dev);
- /* only values < 0 indicate errors */
- return ret < 0 ? ret : 0;
-}
-
-static int sii9234_s_stream(struct v4l2_subdev *sd, int enable)
-{
- struct sii9234_context *ctx = sd_to_context(sd);
-
- /* (dis/en)able TDMS output */
- sii9234_writeb_mask(ctx->client, 0x1a, enable ? 0 : ~0 , 1 << 4);
- return 0;
-}
-
-static const struct v4l2_subdev_core_ops sii9234_core_ops = {
- .s_power = sii9234_s_power,
-};
-
-static const struct v4l2_subdev_video_ops sii9234_video_ops = {
- .s_stream = sii9234_s_stream,
-};
-
-static const struct v4l2_subdev_ops sii9234_ops = {
- .core = &sii9234_core_ops,
- .video = &sii9234_video_ops,
-};
-
-static int sii9234_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct device *dev = &client->dev;
- struct sii9234_platform_data *pdata = dev->platform_data;
- struct sii9234_context *ctx;
- int ret;
-
- ctx = devm_kzalloc(&client->dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx) {
- dev_err(dev, "out of memory\n");
- ret = -ENOMEM;
- goto fail;
- }
- ctx->client = client;
-
- ctx->power = devm_regulator_get(dev, "hdmi-en");
- if (IS_ERR(ctx->power)) {
- dev_err(dev, "failed to acquire regulator hdmi-en\n");
- return PTR_ERR(ctx->power);
- }
-
- ctx->gpio_n_reset = pdata->gpio_n_reset;
- ret = devm_gpio_request(dev, ctx->gpio_n_reset, "MHL_RST");
- if (ret) {
- dev_err(dev, "failed to acquire MHL_RST gpio\n");
- return ret;
- }
-
- v4l2_i2c_subdev_init(&ctx->sd, client, &sii9234_ops);
-
- pm_runtime_enable(dev);
-
- /* enable device */
- ret = pm_runtime_get_sync(dev);
- if (ret)
- goto fail_pm;
-
- /* verify chip version */
- ret = sii9234_verify_version(client);
- if (ret)
- goto fail_pm_get;
-
- /* stop processing */
- pm_runtime_put(dev);
-
- dev_info(dev, "probe successful\n");
-
- return 0;
-
-fail_pm_get:
- pm_runtime_put_sync(dev);
-
-fail_pm:
- pm_runtime_disable(dev);
-
-fail:
- dev_err(dev, "probe failed\n");
-
- return ret;
-}
-
-static int sii9234_remove(struct i2c_client *client)
-{
- struct device *dev = &client->dev;
-
- pm_runtime_disable(dev);
-
- dev_info(dev, "remove successful\n");
-
- return 0;
-}
-
-
-static const struct i2c_device_id sii9234_id[] = {
- { "SII9234", 0 },
- { },
-};
-
-MODULE_DEVICE_TABLE(i2c, sii9234_id);
-static struct i2c_driver sii9234_driver = {
- .driver = {
- .name = "sii9234",
- .pm = &sii9234_pm_ops,
- },
- .probe = sii9234_probe,
- .remove = sii9234_remove,
- .id_table = sii9234_id,
-};
-
-module_i2c_driver(sii9234_driver);