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>
This commit is contained in:
Vincent Abriou
Родитель
8953e9ee0c
Коммит
6d10c54a83
|
|
@ -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 \
|
||||
|
|
|
|||
|
|
@ -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,
|
||||
|
|
|
|||
|
|
@ -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;
|
||||
|
|
|
|||
|
|
@ -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");
|
||||
Загрузка…
Ссылка в новой задаче