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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-08-10 23:17:52 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-08-10 23:17:52 +0100
commit0b019a41553a919965bb02d07d54e3e6c57a796d (patch)
tree6e329b4159b440d2aac5200a5c07103fe261c096 /drivers/video
parent5f6878b0d22f9b93f9698f88c335007e2a3c3bbc (diff)
parent054d5c9238f3c577ad51195c3ee7803613f322cc (diff)
Merge branches 'master' and 'devel' into for-linus
Conflicts: arch/arm/Kconfig arch/arm/mm/Kconfig
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/Kconfig15
-rw-r--r--drivers/video/Makefile2
-rw-r--r--drivers/video/sh_mipi_dsi.c505
-rw-r--r--drivers/video/sh_mobile_hdmi.c1028
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c196
5 files changed, 1694 insertions, 52 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index a9ca72f301b..a1e9406b5af 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1896,6 +1896,13 @@ config FB_W100
If unsure, say N.
+config SH_MIPI_DSI
+ tristate
+ depends on (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
+
+config SH_LCD_MIPI_DSI
+ bool
+
config FB_SH_MOBILE_LCDC
tristate "SuperH Mobile LCDC framebuffer support"
depends on FB && (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
@@ -1904,9 +1911,17 @@ config FB_SH_MOBILE_LCDC
select FB_SYS_IMAGEBLIT
select FB_SYS_FOPS
select FB_DEFERRED_IO
+ select SH_MIPI_DSI if SH_LCD_MIPI_DSI
---help---
Frame buffer driver for the on-chip SH-Mobile LCD controller.
+config FB_SH_MOBILE_HDMI
+ tristate "SuperH Mobile HDMI controller support"
+ depends on FB_SH_MOBILE_LCDC
+ select FB_MODE_HELPERS
+ ---help---
+ Driver for the on-chip SH-Mobile HDMI controller.
+
config FB_TMIO
tristate "Toshiba Mobile IO FrameBuffer support"
depends on FB && MFD_CORE
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index f56a9cae215..485e8ed1318 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -123,6 +123,8 @@ obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o
obj-$(CONFIG_FB_PS3) += ps3fb.o
obj-$(CONFIG_FB_SM501) += sm501fb.o
obj-$(CONFIG_FB_XILINX) += xilinxfb.o
+obj-$(CONFIG_SH_MIPI_DSI) += sh_mipi_dsi.o
+obj-$(CONFIG_FB_SH_MOBILE_HDMI) += sh_mobile_hdmi.o
obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o
obj-$(CONFIG_FB_OMAP) += omap/
obj-y += omap2/
diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c
new file mode 100644
index 00000000000..5699ce0c178
--- /dev/null
+++ b/drivers/video/sh_mipi_dsi.c
@@ -0,0 +1,505 @@
+/*
+ * Renesas SH-mobile MIPI DSI support
+ *
+ * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <video/mipi_display.h>
+#include <video/sh_mipi_dsi.h>
+#include <video/sh_mobile_lcdc.h>
+
+#define CMTSRTCTR 0x80d0
+#define CMTSRTREQ 0x8070
+
+#define DSIINTE 0x0060
+
+/* E.g., sh7372 has 2 MIPI-DSIs - one for each LCDC */
+#define MAX_SH_MIPI_DSI 2
+
+struct sh_mipi {
+ void __iomem *base;
+ struct clk *dsit_clk;
+ struct clk *dsip_clk;
+};
+
+static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI];
+
+/* Protect the above array */
+static DEFINE_MUTEX(array_lock);
+
+static struct sh_mipi *sh_mipi_by_handle(int handle)
+{
+ if (handle >= ARRAY_SIZE(mipi_dsi) || handle < 0)
+ return NULL;
+
+ return mipi_dsi[handle];
+}
+
+static int sh_mipi_send_short(struct sh_mipi *mipi, u8 dsi_cmd,
+ u8 cmd, u8 param)
+{
+ u32 data = (dsi_cmd << 24) | (cmd << 16) | (param << 8);
+ int cnt = 100;
+
+ /* transmit a short packet to LCD panel */
+ iowrite32(1 | data, mipi->base + 0x80d0); /* CMTSRTCTR */
+ iowrite32(1, mipi->base + 0x8070); /* CMTSRTREQ */
+
+ while ((ioread32(mipi->base + 0x8070) & 1) && --cnt)
+ udelay(1);
+
+ return cnt ? 0 : -ETIMEDOUT;
+}
+
+#define LCD_CHAN2MIPI(c) ((c) < LCDC_CHAN_MAINLCD || (c) > LCDC_CHAN_SUBLCD ? \
+ -EINVAL : (c) - 1)
+
+static int sh_mipi_dcs(int handle, u8 cmd)
+{
+ struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
+ if (!mipi)
+ return -ENODEV;
+ return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE, cmd, 0);
+}
+
+static int sh_mipi_dcs_param(int handle, u8 cmd, u8 param)
+{
+ struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
+ if (!mipi)
+ return -ENODEV;
+ return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE_PARAM, cmd,
+ param);
+}
+
+static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable)
+{
+ /*
+ * enable LCDC data tx, transition to LPS after completion of each HS
+ * packet
+ */
+ iowrite32(0x00000002 | enable, mipi->base + 0x8000); /* DTCTR */
+}
+
+static void sh_mipi_shutdown(struct platform_device *pdev)
+{
+ struct sh_mipi *mipi = platform_get_drvdata(pdev);
+
+ sh_mipi_dsi_enable(mipi, false);
+}
+
+static void mipi_display_on(void *arg, struct fb_info *info)
+{
+ struct sh_mipi *mipi = arg;
+
+ sh_mipi_dsi_enable(mipi, true);
+}
+
+static void mipi_display_off(void *arg)
+{
+ struct sh_mipi *mipi = arg;
+
+ sh_mipi_dsi_enable(mipi, false);
+}
+
+static int __init sh_mipi_setup(struct sh_mipi *mipi,
+ struct sh_mipi_dsi_info *pdata)
+{
+ void __iomem *base = mipi->base;
+ struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan;
+ u32 pctype, datatype, pixfmt;
+ u32 linelength;
+ bool yuv;
+
+ /* Select data format */
+ switch (pdata->data_format) {
+ case MIPI_RGB888:
+ pctype = 0;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
+ pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
+ linelength = ch->lcd_cfg.xres * 3;
+ yuv = false;
+ break;
+ case MIPI_RGB565:
+ pctype = 1;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
+ pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
+ linelength = ch->lcd_cfg.xres * 2;
+ yuv = false;
+ break;
+ case MIPI_RGB666_LP:
+ pctype = 2;
+ datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
+ pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
+ linelength = ch->lcd_cfg.xres * 3;
+ yuv = false;
+ break;
+ case MIPI_RGB666:
+ pctype = 3;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
+ pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
+ linelength = (ch->lcd_cfg.xres * 18 + 7) / 8;
+ yuv = false;
+ break;
+ case MIPI_BGR888:
+ pctype = 8;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
+ pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
+ linelength = ch->lcd_cfg.xres * 3;
+ yuv = false;
+ break;
+ case MIPI_BGR565:
+ pctype = 9;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
+ pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
+ linelength = ch->lcd_cfg.xres * 2;
+ yuv = false;
+ break;
+ case MIPI_BGR666_LP:
+ pctype = 0xa;
+ datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
+ pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
+ linelength = ch->lcd_cfg.xres * 3;
+ yuv = false;
+ break;
+ case MIPI_BGR666:
+ pctype = 0xb;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
+ pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
+ linelength = (ch->lcd_cfg.xres * 18 + 7) / 8;
+ yuv = false;
+ break;
+ case MIPI_YUYV:
+ pctype = 4;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
+ pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
+ linelength = ch->lcd_cfg.xres * 2;
+ yuv = true;
+ break;
+ case MIPI_UYVY:
+ pctype = 5;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
+ pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
+ linelength = ch->lcd_cfg.xres * 2;
+ yuv = true;
+ break;
+ case MIPI_YUV420_L:
+ pctype = 6;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
+ pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
+ linelength = (ch->lcd_cfg.xres * 12 + 7) / 8;
+ yuv = true;
+ break;
+ case MIPI_YUV420:
+ pctype = 7;
+ datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
+ pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
+ /* Length of U/V line */
+ linelength = (ch->lcd_cfg.xres + 1) / 2;
+ yuv = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if ((yuv && ch->interface_type != YUV422) ||
+ (!yuv && ch->interface_type != RGB24))
+ return -EINVAL;
+
+ /* reset DSI link */
+ iowrite32(0x00000001, base); /* SYSCTRL */
+ /* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */
+ udelay(50);
+ iowrite32(0x00000000, base); /* SYSCTRL */
+
+ /* setup DSI link */
+
+ /*
+ * Default = ULPS enable |
+ * Contention detection enabled |
+ * EoT packet transmission enable |
+ * CRC check enable |
+ * ECC check enable
+ * additionally enable first two lanes
+ */
+ iowrite32(0x00003703, base + 0x04); /* SYSCONF */
+ /*
+ * T_wakeup = 0x7000
+ * T_hs-trail = 3
+ * T_hs-prepare = 3
+ * T_clk-trail = 3
+ * T_clk-prepare = 2
+ */
+ iowrite32(0x70003332, base + 0x08); /* TIMSET */
+ /* no responses requested */
+ iowrite32(0x00000000, base + 0x18); /* RESREQSET0 */
+ /* request response to packets of type 0x28 */
+ iowrite32(0x00000100, base + 0x1c); /* RESREQSET1 */
+ /* High-speed transmission timeout, default 0xffffffff */
+ iowrite32(0x0fffffff, base + 0x20); /* HSTTOVSET */
+ /* LP reception timeout, default 0xffffffff */
+ iowrite32(0x0fffffff, base + 0x24); /* LPRTOVSET */
+ /* Turn-around timeout, default 0xffffffff */
+ iowrite32(0x0fffffff, base + 0x28); /* TATOVSET */
+ /* Peripheral reset timeout, default 0xffffffff */
+ iowrite32(0x0fffffff, base + 0x2c); /* PRTOVSET */
+ /* Enable timeout counters */
+ iowrite32(0x00000f00, base + 0x30); /* DSICTRL */
+ /* Interrupts not used, disable all */
+ iowrite32(0, base + DSIINTE);
+ /* DSI-Tx bias on */
+ iowrite32(0x00000001, base + 0x70); /* PHYCTRL */
+ udelay(200);
+ /* Deassert resets, power on, set multiplier */
+ iowrite32(0x03070b01, base + 0x70); /* PHYCTRL */
+
+ /* setup l-bridge */
+
+ /*
+ * Enable transmission of all packets,
+ * transmit LPS after each HS packet completion
+ */
+ iowrite32(0x00000006, base + 0x8000); /* DTCTR */
+ /* VSYNC width = 2 (<< 17) */
+ iowrite32(0x00040000 | (pctype << 12) | datatype, base + 0x8020); /* VMCTR1 */
+ /*
+ * Non-burst mode with sync pulses: VSE and HSE are output,
+ * HSA period allowed, no commands in LP
+ */
+ iowrite32(0x00e00000, base + 0x8024); /* VMCTR2 */
+ /*
+ * 0x660 = 1632 bytes per line (RGB24, 544 pixels: see
+ * sh_mobile_lcdc_info.ch[0].lcd_cfg.xres), HSALEN = 1 - default
+ * (unused, since VMCTR2[HSABM] = 0)
+ */
+ iowrite32(1 | (linelength << 16), base + 0x8028); /* VMLEN1 */
+
+ msleep(5);
+
+ /* setup LCD panel */
+
+ /* cf. drivers/video/omap/lcd_mipid.c */
+ sh_mipi_dcs(ch->chan, MIPI_DCS_EXIT_SLEEP_MODE);
+ msleep(120);
+ /*
+ * [7] - Page Address Mode
+ * [6] - Column Address Mode
+ * [5] - Page / Column Address Mode
+ * [4] - Display Device Line Refresh Order
+ * [3] - RGB/BGR Order
+ * [2] - Display Data Latch Data Order
+ * [1] - Flip Horizontal
+ * [0] - Flip Vertical
+ */
+ sh_mipi_dcs_param(ch->chan, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
+ /* cf. set_data_lines() */
+ sh_mipi_dcs_param(ch->chan, MIPI_DCS_SET_PIXEL_FORMAT,
+ pixfmt << 4);
+ sh_mipi_dcs(ch->chan, MIPI_DCS_SET_DISPLAY_ON);
+
+ return 0;
+}
+
+static int __init sh_mipi_probe(struct platform_device *pdev)
+{
+ struct sh_mipi *mipi;
+ struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ unsigned long rate, f_current;
+ int idx = pdev->id, ret;
+ char dsip_clk[] = "dsi.p_clk";
+
+ if (!res || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
+ return -ENODEV;
+
+ mutex_lock(&array_lock);
+ if (idx < 0)
+ for (idx = 0; idx < ARRAY_SIZE(mipi_dsi) && mipi_dsi[idx]; idx++)
+ ;
+
+ if (idx == ARRAY_SIZE(mipi_dsi)) {
+ ret = -EBUSY;
+ goto efindslot;
+ }
+
+ mipi = kzalloc(sizeof(*mipi), GFP_KERNEL);
+ if (!mipi) {
+ ret = -ENOMEM;
+ goto ealloc;
+ }
+
+ if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
+ dev_err(&pdev->dev, "MIPI register region already claimed\n");
+ ret = -EBUSY;
+ goto ereqreg;
+ }
+
+ mipi->base = ioremap(res->start, resource_size(res));
+ if (!mipi->base) {
+ ret = -ENOMEM;
+ goto emap;
+ }
+
+ mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk");
+ if (IS_ERR(mipi->dsit_clk)) {
+ ret = PTR_ERR(mipi->dsit_clk);
+ goto eclktget;
+ }
+
+ f_current = clk_get_rate(mipi->dsit_clk);
+ /* 80MHz required by the datasheet */
+ rate = clk_round_rate(mipi->dsit_clk, 80000000);
+ if (rate > 0 && rate != f_current)
+ ret = clk_set_rate(mipi->dsit_clk, rate);
+ else
+ ret = rate;
+ if (ret < 0)
+ goto esettrate;
+
+ dev_dbg(&pdev->dev, "DSI-T clk %lu -> %lu\n", f_current, rate);
+
+ sprintf(dsip_clk, "dsi%1.1dp_clk", idx);
+ mipi->dsip_clk = clk_get(&pdev->dev, dsip_clk);
+ if (IS_ERR(mipi->dsip_clk)) {
+ ret = PTR_ERR(mipi->dsip_clk);
+ goto eclkpget;
+ }
+
+ f_current = clk_get_rate(mipi->dsip_clk);
+ /* Between 10 and 50MHz */
+ rate = clk_round_rate(mipi->dsip_clk, 24000000);
+ if (rate > 0 && rate != f_current)
+ ret = clk_set_rate(mipi->dsip_clk, rate);
+ else
+ ret = rate;
+ if (ret < 0)
+ goto esetprate;
+
+ dev_dbg(&pdev->dev, "DSI-P clk %lu -> %lu\n", f_current, rate);
+
+ msleep(10);
+
+ ret = clk_enable(mipi->dsit_clk);
+ if (ret < 0)
+ goto eclkton;
+
+ ret = clk_enable(mipi->dsip_clk);
+ if (ret < 0)
+ goto eclkpon;
+
+ mipi_dsi[idx] = mipi;
+
+ ret = sh_mipi_setup(mipi, pdata);
+ if (ret < 0)
+ goto emipisetup;
+
+ mutex_unlock(&array_lock);
+ platform_set_drvdata(pdev, mipi);
+
+ /* Set up LCDC callbacks */
+ pdata->lcd_chan->board_cfg.board_data = mipi;
+ pdata->lcd_chan->board_cfg.display_on = mipi_display_on;
+ pdata->lcd_chan->board_cfg.display_off = mipi_display_off;
+
+ return 0;
+
+emipisetup:
+ mipi_dsi[idx] = NULL;
+ clk_disable(mipi->dsip_clk);
+eclkpon:
+ clk_disable(mipi->dsit_clk);
+eclkton:
+esetprate:
+ clk_put(mipi->dsip_clk);
+eclkpget:
+esettrate:
+ clk_put(mipi->dsit_clk);
+eclktget:
+ iounmap(mipi->base);
+emap:
+ release_mem_region(res->start, resource_size(res));
+ereqreg:
+ kfree(mipi);
+ealloc:
+efindslot:
+ mutex_unlock(&array_lock);
+
+ return ret;
+}
+
+static int __exit sh_mipi_remove(struct platform_device *pdev)
+{
+ struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct sh_mipi *mipi = platform_get_drvdata(pdev);
+ int i, ret;
+
+ mutex_lock(&array_lock);
+
+ for (i = 0; i < ARRAY_SIZE(mipi_dsi) && mipi_dsi[i] != mipi; i++)
+ ;
+
+ if (i == ARRAY_SIZE(mipi_dsi)) {
+ ret = -EINVAL;
+ } else {
+ ret = 0;
+ mipi_dsi[i] = NULL;
+ }
+
+ mutex_unlock(&array_lock);
+
+ if (ret < 0)
+ return ret;
+
+ pdata->lcd_chan->board_cfg.display_on = NULL;
+ pdata->lcd_chan->board_cfg.display_off = NULL;
+ pdata->lcd_chan->board_cfg.board_data = NULL;
+
+ clk_disable(mipi->dsip_clk);
+ clk_disable(mipi->dsit_clk);
+ clk_put(mipi->dsit_clk);
+ clk_put(mipi->dsip_clk);
+ iounmap(mipi->base);
+ if (res)
+ release_mem_region(res->start, resource_size(res));
+ platform_set_drvdata(pdev, NULL);
+ kfree(mipi);
+
+ return 0;
+}
+
+static struct platform_driver sh_mipi_driver = {
+ .remove = __exit_p(sh_mipi_remove),
+ .shutdown = sh_mipi_shutdown,
+ .driver = {
+ .name = "sh-mipi-dsi",
+ },
+};
+
+static int __init sh_mipi_init(void)
+{
+ return platform_driver_probe(&sh_mipi_driver, sh_mipi_probe);
+}
+module_init(sh_mipi_init);
+
+static void __exit sh_mipi_exit(void)
+{
+ platform_driver_unregister(&sh_mipi_driver);
+}
+module_exit(sh_mipi_exit);
+
+MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
+MODULE_DESCRIPTION("SuperH / ARM-shmobile MIPI DSI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
new file mode 100644
index 00000000000..2fde08cc66b
--- /dev/null
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -0,0 +1,1028 @@
+/*
+ * SH-Mobile High-Definition Multimedia Interface (HDMI) driver
+ * for SLISHDMI13T and SLIPHDMIT IP cores
+ *
+ * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * 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.
+ */
+
+#include <linux/clk.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
+#include <video/sh_mobile_hdmi.h>
+#include <video/sh_mobile_lcdc.h>
+
+#define HDMI_SYSTEM_CTRL 0x00 /* System control */
+#define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control,
+ bits 19..16 of 20-bit N for Audio Clock Regeneration packet */
+#define HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8 0x02 /* bits 15..8 of 20-bit N for Audio Clock Regeneration packet */
+#define HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0 0x03 /* bits 7..0 of 20-bit N for Audio Clock Regeneration packet */
+#define HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS 0x04 /* SPDIF audio sampling frequency,
+ bits 19..16 of Internal CTS */
+#define HDMI_INTERNAL_CTS_15_8 0x05 /* bits 15..8 of Internal CTS */
+#define HDMI_INTERNAL_CTS_7_0 0x06 /* bits 7..0 of Internal CTS */
+#define HDMI_EXTERNAL_CTS_19_16 0x07 /* External CTS */
+#define HDMI_EXTERNAL_CTS_15_8 0x08 /* External CTS */
+#define HDMI_EXTERNAL_CTS_7_0 0x09 /* External CTS */
+#define HDMI_AUDIO_SETTING_1 0x0A /* Audio setting.1 */
+#define HDMI_AUDIO_SETTING_2 0x0B /* Audio setting.2 */
+#define HDMI_I2S_AUDIO_SET 0x0C /* I2S audio setting */
+#define HDMI_DSD_AUDIO_SET 0x0D /* DSD audio setting */
+#define HDMI_DEBUG_MONITOR_1 0x0E /* Debug monitor.1 */
+#define HDMI_DEBUG_MONITOR_2 0x0F /* Debug monitor.2 */
+#define HDMI_I2S_INPUT_PIN_SWAP 0x10 /* I2S input pin swap */
+#define HDMI_AUDIO_STATUS_BITS_SETTING_1 0x11 /* Audio status bits setting.1 */
+#define HDMI_AUDIO_STATUS_BITS_SETTING_2 0x12 /* Audio status bits setting.2 */
+#define HDMI_CATEGORY_CODE 0x13 /* Category code */
+#define HDMI_SOURCE_NUM_AUDIO_WORD_LEN 0x14 /* Source number/Audio word length */
+#define HDMI_AUDIO_VIDEO_SETTING_1 0x15 /* Audio/Video setting.1 */
+#define HDMI_VIDEO_SETTING_1 0x16 /* Video setting.1 */
+#define HDMI_DEEP_COLOR_MODES 0x17 /* Deep Color Modes */
+
+/* 12 16- and 10-bit Color space conversion parameters: 0x18..0x2f */
+#define HDMI_COLOR_SPACE_CONVERSION_PARAMETERS 0x18
+
+#define HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS 0x30 /* External video parameter settings */
+#define HDMI_EXTERNAL_H_TOTAL_7_0 0x31 /* External horizontal total (LSB) */
+#define HDMI_EXTERNAL_H_TOTAL_11_8 0x32 /* External horizontal total (MSB) */
+#define HDMI_EXTERNAL_H_BLANK_7_0 0x33 /* External horizontal blank (LSB) */
+#define HDMI_EXTERNAL_H_BLANK_9_8 0x34 /* External horizontal blank (MSB) */
+#define HDMI_EXTERNAL_H_DELAY_7_0 0x35 /* External horizontal delay (LSB) */
+#define HDMI_EXTERNAL_H_DELAY_9_8 0x36 /* External horizontal delay (MSB) */
+#define HDMI_EXTERNAL_H_DURATION_7_0 0x37 /* External horizontal duration (LSB) */
+#define HDMI_EXTERNAL_H_DURATION_9_8 0x38 /* External horizontal duration (MSB) */
+#define HDMI_EXTERNAL_V_TOTAL_7_0 0x39 /* External vertical total (LSB) */
+#define HDMI_EXTERNAL_V_TOTAL_9_8 0x3A /* External vertical total (MSB) */
+#define HDMI_AUDIO_VIDEO_SETTING_2 0x3B /* Audio/Video setting.2 */
+#define HDMI_EXTERNAL_V_BLANK 0x3D /* External vertical blank */
+#define HDMI_EXTERNAL_V_DELAY 0x3E /* External vertical delay */
+#define HDMI_EXTERNAL_V_DURATION 0x3F /* External vertical duration */
+#define HDMI_CTRL_PKT_MANUAL_SEND_CONTROL 0x40 /* Control packet manual send control */
+#define HDMI_CTRL_PKT_AUTO_SEND 0x41 /* Control packet auto send with VSYNC control */
+#define HDMI_AUTO_CHECKSUM_OPTION 0x42 /* Auto checksum option */
+#define HDMI_VIDEO_SETTING_2 0x45 /* Video setting.2 */
+#define HDMI_OUTPUT_OPTION 0x46 /* Output option */
+#define HDMI_SLIPHDMIT_PARAM_OPTION 0x51 /* SLIPHDMIT parameter option */
+#define HDMI_HSYNC_PMENT_AT_EMB_7_0 0x52 /* HSYNC placement at embedded sync (LSB) */
+#define HDMI_HSYNC_PMENT_AT_EMB_15_8 0x53 /* HSYNC placement at embedded sync (MSB) */
+#define HDMI_VSYNC_PMENT_AT_EMB_7_0 0x54 /* VSYNC placement at embedded sync (LSB) */
+#define HDMI_VSYNC_PMENT_AT_EMB_14_8 0x55 /* VSYNC placement at embedded sync (MSB) */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_1 0x56 /* SLIPHDMIT parameter settings.1 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_2 0x57 /* SLIPHDMIT parameter settings.2 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_3 0x58 /* SLIPHDMIT parameter settings.3 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_5 0x59 /* SLIPHDMIT parameter settings.5 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_6 0x5A /* SLIPHDMIT parameter settings.6 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_7 0x5B /* SLIPHDMIT parameter settings.7 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_8 0x5C /* SLIPHDMIT parameter settings.8 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_9 0x5D /* SLIPHDMIT parameter settings.9 */
+#define HDMI_SLIPHDMIT_PARAM_SETTINGS_10 0x5E /* SLIPHDMIT parameter settings.10 */
+#define HDMI_CTRL_PKT_BUF_INDEX 0x5F /* Control packet buffer index */
+#define HDMI_CTRL_PKT_BUF_ACCESS_HB0 0x60 /* Control packet data buffer access window - HB0 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_HB1 0x61 /* Control packet data buffer access window - HB1 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_HB2 0x62 /* Control packet data buffer access window - HB2 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB0 0x63 /* Control packet data buffer access window - PB0 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB1 0x64 /* Control packet data buffer access window - PB1 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB2 0x65 /* Control packet data buffer access window - PB2 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB3 0x66 /* Control packet data buffer access window - PB3 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB4 0x67 /* Control packet data buffer access window - PB4 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB5 0x68 /* Control packet data buffer access window - PB5 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB6 0x69 /* Control packet data buffer access window - PB6 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB7 0x6A /* Control packet data buffer access window - PB7 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB8 0x6B /* Control packet data buffer access window - PB8 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB9 0x6C /* Control packet data buffer access window - PB9 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB10 0x6D /* Control packet data buffer access window - PB10 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB11 0x6E /* Control packet data buffer access window - PB11 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB12 0x6F /* Control packet data buffer access window - PB12 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB13 0x70 /* Control packet data buffer access window - PB13 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB14 0x71 /* Control packet data buffer access window - PB14 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB15 0x72 /* Control packet data buffer access window - PB15 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB16 0x73 /* Control packet data buffer access window - PB16 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB17 0x74 /* Control packet data buffer access window - PB17 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB18 0x75 /* Control packet data buffer access window - PB18 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB19 0x76 /* Control packet data buffer access window - PB19 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB20 0x77 /* Control packet data buffer access window - PB20 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB21 0x78 /* Control packet data buffer access window - PB21 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB22 0x79 /* Control packet data buffer access window - PB22 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB23 0x7A /* Control packet data buffer access window - PB23 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB24 0x7B /* Control packet data buffer access window - PB24 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB25 0x7C /* Control packet data buffer access window - PB25 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB26 0x7D /* Control packet data buffer access window - PB26 */
+#define HDMI_CTRL_PKT_BUF_ACCESS_PB27 0x7E /* Control packet data buffer access window - PB27 */
+#define HDMI_EDID_KSV_FIFO_ACCESS_WINDOW 0x80 /* EDID/KSV FIFO access window */
+#define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_7_0 0x81 /* DDC bus access frequency control (LSB) */
+#define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_15_8 0x82 /* DDC bus access frequency control (MSB) */
+#define HDMI_INTERRUPT_MASK_1 0x92 /* Interrupt mask.1 */
+#define HDMI_INTERRUPT_MASK_2 0x93 /* Interrupt mask.2 */
+#define HDMI_INTERRUPT_STATUS_1 0x94 /* Interrupt status.1 */
+#define HDMI_INTERRUPT_STATUS_2 0x95 /* Interrupt status.2 */
+#define HDMI_INTERRUPT_MASK_3 0x96 /* Interrupt mask.3 */
+#define HDMI_INTERRUPT_MASK_4 0x97 /* Interrupt mask.4 */
+#define HDMI_INTERRUPT_STATUS_3 0x98 /* Interrupt status.3 */
+#define HDMI_INTERRUPT_STATUS_4 0x99 /* Interrupt status.4 */
+#define HDMI_SOFTWARE_HDCP_CONTROL_1 0x9A /* Software HDCP control.1 */
+#define HDMI_FRAME_COUNTER 0x9C /* Frame counter */
+#define HDMI_FRAME_COUNTER_FOR_RI_CHECK 0x9D /* Frame counter for Ri check */
+#define HDMI_HDCP_CONTROL 0xAF /* HDCP control */
+#define HDMI_RI_FRAME_COUNT_REGISTER 0xB2 /* Ri frame count register */
+#define HDMI_DDC_BUS_CONTROL 0xB7 /* DDC bus control */
+#define HDMI_HDCP_STATUS 0xB8 /* HDCP status */
+#define HDMI_SHA0 0xB9 /* sha0 */
+#define HDMI_SHA1 0xBA /* sha1 */
+#define HDMI_SHA2 0xBB /* sha2 */
+#define HDMI_SHA3 0xBC /* sha3 */
+#define HDMI_SHA4 0xBD /* sha4 */
+#define HDMI_BCAPS_READ 0xBE /* BCAPS read / debug */
+#define HDMI_AKSV_BKSV_7_0_MONITOR 0xBF /* AKSV/BKSV[7:0] monitor */
+#define HDMI_AKSV_BKSV_15_8_MONITOR 0xC0 /* AKSV/BKSV[15:8] monitor */
+#define HDMI_AKSV_BKSV_23_16_MONITOR 0xC1 /* AKSV/BKSV[23:16] monitor */
+#define HDMI_AKSV_BKSV_31_24_MONITOR 0xC2 /* AKSV/BKSV[31:24] monitor */
+#define HDMI_AKSV_BKSV_39_32_MONITOR 0xC3 /* AKSV/BKSV[39:32] monitor */
+#define HDMI_EDID_SEGMENT_POINTER 0xC4 /* EDID segment pointer */
+#define HDMI_EDID_WORD_ADDRESS 0xC5 /* EDID word address */
+#define HDMI_EDID_DATA_FIFO_ADDRESS 0xC6 /* EDID data FIFO address */
+#define HDMI_NUM_OF_HDMI_DEVICES 0xC7 /* Number of HDMI devices */
+#define HDMI_HDCP_ERROR_CODE 0xC8 /* HDCP error code */
+#define HDMI_100MS_TIMER_SET 0xC9 /* 100ms timer setting */
+#define HDMI_5SEC_TIMER_SET 0xCA /* 5sec timer setting */
+#define HDMI_RI_READ_COUNT 0xCB /* Ri read count */
+#define HDMI_AN_SEED 0xCC /* An seed */
+#define HDMI_MAX_NUM_OF_RCIVRS_ALLOWED 0xCD /* Maximum number of receivers allowed */
+#define HDMI_HDCP_MEMORY_ACCESS_CONTROL_1 0xCE /* HDCP memory access control.1 */
+#define HDMI_HDCP_MEMORY_ACCESS_CONTROL_2 0xCF /* HDCP memory access control.2 */
+#define HDMI_HDCP_CONTROL_2 0xD0 /* HDCP Control 2 */
+#define HDMI_HDCP_KEY_MEMORY_CONTROL 0xD2 /* HDCP Key Memory Control */
+#define HDMI_COLOR_SPACE_CONV_CONFIG_1 0xD3 /* Color space conversion configuration.1 */
+#define HDMI_VIDEO_SETTING_3 0xD4 /* Video setting.3 */
+#define HDMI_RI_7_0 0xD5 /* Ri[7:0] */
+#define HDMI_RI_15_8 0xD6 /* Ri[15:8] */
+#define HDMI_PJ 0xD7 /* Pj */
+#define HDMI_SHA_RD 0xD8 /* sha_rd */
+#define HDMI_RI_7_0_SAVED 0xD9 /* Ri[7:0] saved */
+#define HDMI_RI_15_8_SAVED 0xDA /* Ri[15:8] saved */
+#define HDMI_PJ_SAVED 0xDB /* Pj saved */
+#define HDMI_NUM_OF_DEVICES 0xDC /* Number of devices */
+#define HDMI_HOT_PLUG_MSENS_STATUS 0xDF /* Hot plug/MSENS status */
+#define HDMI_BCAPS_WRITE 0xE0 /* bcaps */
+#define HDMI_BSTAT_7_0 0xE1 /* bstat[7:0] */
+#define HDMI_BSTAT_15_8 0xE2 /* bstat[15:8] */
+#define HDMI_BKSV_7_0 0xE3 /* bksv[7:0] */
+#define HDMI_BKSV_15_8 0xE4 /* bksv[15:8] */
+#define HDMI_BKSV_23_16 0xE5 /* bksv[23:16] */
+#define HDMI_BKSV_31_24 0xE6 /* bksv[31:24] */
+#define HDMI_BKSV_39_32 0xE7 /* bksv[39:32] */
+#define HDMI_AN_7_0 0xE8 /* An[7:0] */
+#define HDMI_AN_15_8 0xE9 /* An [15:8] */
+#define HDMI_AN_23_16 0xEA /* An [23:16] */
+#define HDMI_AN_31_24 0xEB /* An [31:24] */
+#define HDMI_AN_39_32 0xEC /* An [39:32] */
+#define HDMI_AN_47_40 0xED /* An [47:40] */
+#define HDMI_AN_55_48 0xEE /* An [55:48] */
+#define HDMI_AN_63_56 0xEF /* An [63:56] */
+#define HDMI_PRODUCT_ID 0xF0 /* Product ID */
+#define HDMI_REVISION_ID 0xF1 /* Revision ID */
+#define HDMI_TEST_MODE 0xFE /* Test mode */
+
+enum hotplug_state {
+ HDMI_HOTPLUG_DISCONNECTED,
+ HDMI_HOTPLUG_CONNECTED,
+ HDMI_HOTPLUG_EDID_DONE,
+};
+
+struct sh_hdmi {
+ void __iomem *base;
+ enum hotplug_state hp_state;
+ struct clk *hdmi_clk;
+ struct device *dev;
+ struct fb_info *info;
+ struct delayed_work edid_work;
+ struct fb_var_screeninfo var;
+};
+
+static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg)
+{
+ iowrite8(data, hdmi->base + reg);
+}
+
+static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg)
+{
+ return ioread8(hdmi->base + reg);
+}
+
+/* External video parameter settings */
+static void hdmi_external_video_param(struct sh_hdmi *hdmi)
+{
+ struct fb_var_screeninfo *var = &hdmi->var;
+ u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset;
+ u8 sync = 0;
+
+ htotal = var->xres + var->right_margin + var->left_margin + var->hsync_len;
+
+ hdelay = var->hsync_len + var->left_margin;
+ hblank = var->right_margin + hdelay;
+
+ /*
+ * Vertical timing looks a bit different in Figure 18,
+ * but let's try the same first by setting offset = 0
+ */
+ vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len;
+
+ vdelay = var->vsync_len + var->upper_margin;
+ vblank = var->lower_margin + vdelay;
+ voffset = min(var->upper_margin / 2, 6U);
+
+ /*
+ * [3]: VSYNC polarity: Positive
+ * [2]: HSYNC polarity: Positive
+ * [1]: Interlace/Progressive: Progressive
+ * [0]: External video settings enable: used.
+ */
+ if (var->sync & FB_SYNC_HOR_HIGH_ACT)
+ sync |= 4;
+ if (var->sync & FB_SYNC_VERT_HIGH_ACT)
+ sync |= 8;
+
+ pr_debug("H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n",
+ htotal, hblank, hdelay, var->hsync_len,
+ vtotal, vblank, vdelay, var->vsync_len, sync);
+
+ hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
+
+ hdmi_write(hdmi, htotal, HDMI_EXTERNAL_H_TOTAL_7_0);
+ hdmi_write(hdmi, htotal >> 8, HDMI_EXTERNAL_H_TOTAL_11_8);
+
+ hdmi_write(hdmi, hblank, HDMI_EXTERNAL_H_BLANK_7_0);
+ hdmi_write(hdmi, hblank >> 8, HDMI_EXTERNAL_H_BLANK_9_8);
+
+ hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0);
+ hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8);
+
+ hdmi_write(hdmi, var->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0);
+ hdmi_write(hdmi, var->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8);
+
+ hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0);
+ hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8);
+
+ hdmi_write(hdmi, vblank, HDMI_EXTERNAL_V_BLANK);
+
+ hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY);
+
+ hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
+
+ /* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for manual mode */
+}
+
+/**
+ * sh_hdmi_video_config()
+ */
+static void sh_hdmi_video_config(struct sh_hdmi *hdmi)
+{
+ /*
+ * [7:4]: Audio sampling frequency: 48kHz
+ * [3:1]: Input video format: RGB and YCbCr 4:4:4 (Y on Green)
+ * [0]: Internal/External DE select: internal
+ */
+ hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1);
+
+ /*
+ * [7:6]: Video output format: RGB 4:4:4
+ * [5:4]: Input video data width: 8 bit
+ * [3:1]: EAV/SAV location: channel 1
+ * [0]: Video input color space: RGB
+ */
+ hdmi_write(hdmi, 0x34, HDMI_VIDEO_SETTING_1);
+
+ /*
+ * [7:6]: Together with bit [6] of HDMI_AUDIO_VIDEO_SETTING_2, which is
+ * left at 0 by default, this configures 24bpp and sets the Color Depth
+ * (CD) field in the General Control Packet
+ */
+ hdmi_write(hdmi, 0x20, HDMI_DEEP_COLOR_MODES);
+}
+
+/**
+ * sh_hdmi_audio_config()
+ */
+static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
+{
+ /*
+ * [7:4] L/R data swap control
+ * [3:0] appropriate N[19:16]
+ */
+ hdmi_write(hdmi, 0x00, HDMI_L_R_DATA_SWAP_CTRL_RPKT);
+ /* appropriate N[15:8] */
+ hdmi_write(hdmi, 0x18, HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8);
+ /* appropriate N[7:0] */
+ hdmi_write(hdmi, 0x00, HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0);
+
+ /* [7:4] 48 kHz SPDIF not used */
+ hdmi_write(hdmi, 0x20, HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS);
+
+ /*
+ * [6:5] set required down sampling rate if required
+ * [4:3] set required audio source
+ */
+ hdmi_write(hdmi, 0x00, HDMI_AUDIO_SETTING_1);
+
+ /* [3:0] set sending channel number for channel status */
+ hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2);
+
+ /*
+ * [5:2] set valid I2S source input pin
+ * [1:0] set input I2S source mode
+ */
+ hdmi_write(hdmi, 0x04, HDMI_I2S_AUDIO_SET);
+
+ /* [7:4] set valid DSD source input pin */
+ hdmi_write(hdmi, 0x00, HDMI_DSD_AUDIO_SET);
+
+ /* [7:0] set appropriate I2S input pin swap settings if required */
+ hdmi_write(hdmi, 0x00, HDMI_I2S_INPUT_PIN_SWAP);
+
+ /*
+ * [7] set validity bit for channel status
+ * [3:0] set original sample frequency for channel status
+ */
+ hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_1);
+
+ /*
+ * [7] set value for channel status
+ * [6] set value for channel status
+ * [5] set copyright bit for channel status
+ * [4:2] set additional information for channel status
+ * [1:0] set clock accuracy for channel status
+ */
+ hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_2);
+
+ /* [7:0] set category code for channel status */
+ hdmi_write(hdmi, 0x00, HDMI_CATEGORY_CODE);
+
+ /*
+ * [7:4] set source number for channel status
+ * [3:0] set word length for channel status
+ */
+ hdmi_write(hdmi, 0x00, HDMI_SOURCE_NUM_AUDIO_WORD_LEN);
+
+ /* [7:4] set sample frequency for channel status */
+ hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1);
+}
+
+/**
+ * sh_hdmi_phy_config()
+ */
+static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
+{
+ /* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
+ hdmi_write(hdmi, 0x19, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
+ hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
+ /* PLLA_CONFIG[7:0]: VCO gain, VCO offset, LPF resistance[0] */
+ hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
+ hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
+ hdmi_write(hdmi, 0x4A, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
+ hdmi_write(hdmi, 0x0E, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
+ hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
+ hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
+}
+
+/**
+ * sh_hdmi_avi_infoframe_setup() - Auxiliary Video Information InfoFrame CONTROL PACKET
+ */
+static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
+{
+ /* AVI InfoFrame */
+ hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_INDEX);
+
+ /* Packet Type = 0x82 */
+ hdmi_write(hdmi, 0x82, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
+