drm/sti: remove deprecated sti_vtac.c file

stih416 chip family is no more supported in Linux v4.9.
It is then useless to keep sti_vtac.c file since it not used at all for
the stih407/10 chip family supported by sti driver.

Signed-off-by: Vincent Abriou <vincent.abriou@st.com>

4 files changed, 0 insertions, 226 deletions

diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile
index d20f7c0b4eac..c35db12435c3 100644
--- a/drivers/gpu/drm/sti/Makefile
+++ b/drivers/gpu/drm/sti/Makefile
@@ -13,7 +13,6 @@ sti-drm-y := \
 	sti_dvo.o \
 	sti_awg_utils.o \
 	sti_vtg.o \
-	sti_vtac.o \
 	sti_hda.o \
 	sti_tvout.o \
 	sti_hqvdp.o \
diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
index c584d4d03fff..278a63f10d9f 100644
--- a/drivers/gpu/drm/sti/sti_drv.c
+++ b/drivers/gpu/drm/sti/sti_drv.c
@@ -477,7 +477,6 @@ static struct platform_driver sti_platform_driver = {
 
 static struct platform_driver * const drivers[] = {
 	&sti_tvout_driver,
-	&sti_vtac_driver,
 	&sti_hqvdp_driver,
 	&sti_hdmi_driver,
 	&sti_hda_driver,
diff --git a/drivers/gpu/drm/sti/sti_drv.h b/drivers/gpu/drm/sti/sti_drv.h
index 78ebe5e30f53..4c75845cc9ab 100644
--- a/drivers/gpu/drm/sti/sti_drv.h
+++ b/drivers/gpu/drm/sti/sti_drv.h
@@ -34,7 +34,6 @@ struct sti_private {
 };
 
 extern struct platform_driver sti_tvout_driver;
-extern struct platform_driver sti_vtac_driver;
 extern struct platform_driver sti_hqvdp_driver;
 extern struct platform_driver sti_hdmi_driver;
 extern struct platform_driver sti_hda_driver;
diff --git a/drivers/gpu/drm/sti/sti_vtac.c b/drivers/gpu/drm/sti/sti_vtac.c
deleted file mode 100644
index cf7fe8a1db42..000000000000
--- a/drivers/gpu/drm/sti/sti_vtac.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Copyright (C) STMicroelectronics SA 2014
- * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
- * License terms:  GNU General Public License (GPL), version 2
- */
-
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-
-#include <drm/drmP.h>
-
-#include "sti_drv.h"
-
-/* registers offset */
-#define VTAC_CONFIG                     0x00
-#define VTAC_RX_FIFO_CONFIG             0x04
-#define VTAC_FIFO_CONFIG_VAL            0x04
-
-#define VTAC_SYS_CFG8521                0x824
-#define VTAC_SYS_CFG8522                0x828
-
-/* Number of phyts per pixel */
-#define VTAC_2_5_PPP                    0x0005
-#define VTAC_3_PPP                      0x0006
-#define VTAC_4_PPP                      0x0008
-#define VTAC_5_PPP                      0x000A
-#define VTAC_6_PPP                      0x000C
-#define VTAC_13_PPP                     0x001A
-#define VTAC_14_PPP                     0x001C
-#define VTAC_15_PPP                     0x001E
-#define VTAC_16_PPP                     0x0020
-#define VTAC_17_PPP                     0x0022
-#define VTAC_18_PPP                     0x0024
-
-/* enable bits */
-#define VTAC_ENABLE                     0x3003
-
-#define VTAC_TX_PHY_ENABLE_CLK_PHY      BIT(0)
-#define VTAC_TX_PHY_ENABLE_CLK_DLL      BIT(1)
-#define VTAC_TX_PHY_PLL_NOT_OSC_MODE    BIT(3)
-#define VTAC_TX_PHY_RST_N_DLL_SWITCH    BIT(4)
-#define VTAC_TX_PHY_PROG_N3             BIT(9)
-
-
-/**
- * VTAC mode structure
- *
- * @vid_in_width: Video Data Resolution
- * @phyts_width: Width of phyt buses(phyt low and phyt high).
- * @phyts_per_pixel: Number of phyts sent per pixel
- */
-struct sti_vtac_mode {
-	u32 vid_in_width;
-	u32 phyts_width;
-	u32 phyts_per_pixel;
-};
-
-static const struct sti_vtac_mode vtac_mode_main = {
-	.vid_in_width = 0x2,
-	.phyts_width = 0x2,
-	.phyts_per_pixel = VTAC_5_PPP,
-};
-static const struct sti_vtac_mode vtac_mode_aux = {
-	.vid_in_width = 0x1,
-	.phyts_width = 0x0,
-	.phyts_per_pixel = VTAC_17_PPP,
-};
-
-/**
- * VTAC structure
- *
- * @dev: pointer to device structure
- * @regs: ioremapped registers for RX and TX devices
- * @phy_regs: phy registers for TX device
- * @clk: clock
- * @mode: main or auxillary configuration mode
- */
-struct sti_vtac {
-	struct device *dev;
-	void __iomem *regs;
-	void __iomem *phy_regs;
-	struct clk *clk;
-	const struct sti_vtac_mode *mode;
-};
-
-static void sti_vtac_rx_set_config(struct sti_vtac *vtac)
-{
-	u32 config;
-
-	/* Enable VTAC clock */
-	if (clk_prepare_enable(vtac->clk))
-		DRM_ERROR("Failed to prepare/enable vtac_rx clock.\n");
-
-	writel(VTAC_FIFO_CONFIG_VAL, vtac->regs + VTAC_RX_FIFO_CONFIG);
-
-	config = VTAC_ENABLE;
-	config |= vtac->mode->vid_in_width << 4;
-	config |= vtac->mode->phyts_width << 16;
-	config |= vtac->mode->phyts_per_pixel << 23;
-	writel(config, vtac->regs + VTAC_CONFIG);
-}
-
-static void sti_vtac_tx_set_config(struct sti_vtac *vtac)
-{
-	u32 phy_config;
-	u32 config;
-
-	/* Enable VTAC clock */
-	if (clk_prepare_enable(vtac->clk))
-		DRM_ERROR("Failed to prepare/enable vtac_tx clock.\n");
-
-	/* Configure vtac phy */
-	phy_config = 0x00000000;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8522);
-	phy_config = VTAC_TX_PHY_ENABLE_CLK_PHY;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config |= VTAC_TX_PHY_PROG_N3;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config |= VTAC_TX_PHY_ENABLE_CLK_DLL;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config |= VTAC_TX_PHY_RST_N_DLL_SWITCH;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config |= VTAC_TX_PHY_PLL_NOT_OSC_MODE;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-
-	/* Configure vtac tx */
-	config = VTAC_ENABLE;
-	config |= vtac->mode->vid_in_width << 4;
-	config |= vtac->mode->phyts_width << 16;
-	config |= vtac->mode->phyts_per_pixel << 23;
-	writel(config, vtac->regs + VTAC_CONFIG);
-}
-
-static const struct of_device_id vtac_of_match[] = {
-	{
-		.compatible = "st,vtac-main",
-		.data = &vtac_mode_main,
-	}, {
-		.compatible = "st,vtac-aux",
-		.data = &vtac_mode_aux,
-	}, {
-		/* end node */
-	}
-};
-MODULE_DEVICE_TABLE(of, vtac_of_match);
-
-static int sti_vtac_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct device_node *np = dev->of_node;
-	const struct of_device_id *id;
-	struct sti_vtac *vtac;
-	struct resource *res;
-
-	vtac = devm_kzalloc(dev, sizeof(*vtac), GFP_KERNEL);
-	if (!vtac)
-		return -ENOMEM;
-
-	vtac->dev = dev;
-
-	id = of_match_node(vtac_of_match, np);
-	if (!id)
-		return -ENOMEM;
-
-	vtac->mode = id->data;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		DRM_ERROR("Invalid resource\n");
-		return -ENOMEM;
-	}
-	vtac->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(vtac->regs))
-		return PTR_ERR(vtac->regs);
-
-
-	vtac->clk = devm_clk_get(dev, "vtac");
-	if (IS_ERR(vtac->clk)) {
-		DRM_ERROR("Cannot get vtac clock\n");
-		return PTR_ERR(vtac->clk);
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (res) {
-		vtac->phy_regs = devm_ioremap_nocache(dev, res->start,
-						 resource_size(res));
-		sti_vtac_tx_set_config(vtac);
-	} else {
-
-		sti_vtac_rx_set_config(vtac);
-	}
-
-	platform_set_drvdata(pdev, vtac);
-	DRM_INFO("%s %s\n", __func__, dev_name(vtac->dev));
-
-	return 0;
-}
-
-static int sti_vtac_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
-struct platform_driver sti_vtac_driver = {
-	.driver = {
-		.name = "sti-vtac",
-		.owner = THIS_MODULE,
-		.of_match_table = vtac_of_match,
-	},
-	.probe = sti_vtac_probe,
-	.remove = sti_vtac_remove,
-};
-
-MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
-MODULE_LICENSE("GPL");