gaoyang3513/SDK_RK3288
Template
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
Files
3fecf7428d56e123c45219c5964500a09a3a8390
SDK_RK3288/kernel/drivers/video/rockchip/rk_fb.c
linjc 3fecf7428d Kernel->iommu:ubuntu do not use iommu
2016-06-16 17:07:26 +08:00

4416 lines
120 KiB
C
Executable File
Raw Blame History

/*
* drivers/video/rockchip/rk_fb.c
*
* Copyright (C) ROCKCHIP, Inc.
* Author:yxj<yxj@rock-chips.com>
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/kthread.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <asm/div64.h>
#include <linux/uaccess.h>
#include <linux/rk_fb.h>
#include <linux/linux_logo.h>
#include <linux/dma-mapping.h>
#include <linux/regulator/consumer.h>
#include "bmp_helper.h"
#if defined(CONFIG_RK_HDMI)
#include "hdmi/rockchip-hdmi.h"
#endif
#if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
#include "rga/rga.h"
#endif
#ifdef CONFIG_OF
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
#include <video/of_display_timing.h>
#include <video/display_timing.h>
#include <dt-bindings/rkfb/rk_fb.h>
#endif
#if defined(CONFIG_ION_ROCKCHIP)
#include <linux/rockchip_ion.h>
#include <linux/rockchip-iovmm.h>
#include <linux/dma-buf.h>
#include <linux/highmem.h>
#endif
#define H_USE_FENCE 1
/* #define FB_ROATE_BY_KERNEL 1 */
static int hdmi_switch_state;
static struct platform_device *fb_pdev;
#if defined(CONFIG_FB_MIRRORING)
int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
EXPORT_SYMBOL(video_data_to_mirroring);
#endif
extern phys_addr_t uboot_logo_base;
extern phys_addr_t uboot_logo_size;
extern phys_addr_t uboot_logo_offset;
static struct rk_fb_trsm_ops *trsm_lvds_ops;
static struct rk_fb_trsm_ops *trsm_edp_ops;
static struct rk_fb_trsm_ops *trsm_mipi_ops;
static int uboot_logo_on;
static int rk_fb_debug_lvl;
static int rk_fb_iommu_debug = 1;
module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
#define fb_dbg(level, x...) do { \
if (unlikely(rk_fb_debug_lvl >= level)) \
printk(KERN_INFO x); \
} while (0)
static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
struct rk_fb_win_cfg_data *win_data,
struct rk_fb_reg_data *regs, u32 cmd);
int support_uboot_display(void)
{
return uboot_logo_on;
}
int rk_fb_get_display_policy(void)
{
struct rk_fb *rk_fb;
if (fb_pdev) {
rk_fb = platform_get_drvdata(fb_pdev);
return rk_fb->disp_policy;
} else {
return DISPLAY_POLICY_SDK;
}
}
int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
{
switch (type) {
case SCREEN_RGB:
case SCREEN_LVDS:
case SCREEN_DUAL_LVDS:
case SCREEN_LVDS_10BIT:
case SCREEN_DUAL_LVDS_10BIT:
trsm_lvds_ops = ops;
break;
case SCREEN_EDP:
trsm_edp_ops = ops;
break;
case SCREEN_MIPI:
case SCREEN_DUAL_MIPI:
trsm_mipi_ops = ops;
break;
default:
printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
__func__, type);
break;
}
return 0;
}
struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
{
struct rk_fb_trsm_ops *ops;
switch (type) {
case SCREEN_RGB:
case SCREEN_LVDS:
case SCREEN_DUAL_LVDS:
case SCREEN_LVDS_10BIT:
case SCREEN_DUAL_LVDS_10BIT:
ops = trsm_lvds_ops;
break;
case SCREEN_EDP:
ops = trsm_edp_ops;
break;
case SCREEN_MIPI:
case SCREEN_DUAL_MIPI:
ops = trsm_mipi_ops;
break;
default:
ops = NULL;
printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
__func__, type);
break;
}
return ops;
}
int rk_fb_pixel_width(int data_format)
{
int pixel_width;
switch (data_format) {
case XBGR888:
case ABGR888:
case ARGB888:
case FBDC_ARGB_888:
case FBDC_ABGR_888:
case FBDC_RGBX_888:
pixel_width = 4 * 8;
break;
case RGB888:
pixel_width = 3 * 8;
break;
case RGB565:
case FBDC_RGB_565:
pixel_width = 2 * 8;
break;
case YUV422:
case YUV420:
case YUV420_NV21:
case YUV444:
pixel_width = 1 * 8;
break;
case YUV422_A:
case YUV420_A:
case YUV444_A:
pixel_width = 8;
break;
default:
printk(KERN_WARNING "%s:un supported format:0x%x\n",
__func__, data_format);
return -EINVAL;
}
return pixel_width;
}
static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
{
int fb_data_fmt;
if (data_format) {
switch (data_format) {
case HAL_PIXEL_FORMAT_RGBX_8888:
fb_data_fmt = XBGR888;
break;
case HAL_PIXEL_FORMAT_RGBA_8888:
fb_data_fmt = ABGR888;
break;
case HAL_PIXEL_FORMAT_BGRA_8888:
fb_data_fmt = ARGB888;
break;
case HAL_PIXEL_FORMAT_RGB_888:
fb_data_fmt = RGB888;
break;
case HAL_PIXEL_FORMAT_RGB_565:
fb_data_fmt = RGB565;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
fb_data_fmt = YUV422;
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
fb_data_fmt = YUV420_NV21;
break;
case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
fb_data_fmt = YUV420;
break;
case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
fb_data_fmt = YUV444;
break;
case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
fb_data_fmt = YUV420_A;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
fb_data_fmt = YUV422_A;
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
fb_data_fmt = YUV444_A;
break;
case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
fb_data_fmt = FBDC_RGB_565;
break;
case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
fb_data_fmt = FBDC_ARGB_888;
break;
case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
fb_data_fmt = FBDC_ABGR_888;
break;
case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
fb_data_fmt = FBDC_RGBX_888;
break;
default:
printk(KERN_WARNING "%s:un supported format:0x%x\n",
__func__, data_format);
return -EINVAL;
}
} else {
switch (bits_per_pixel) {
case 32:
fb_data_fmt = ARGB888;
break;
case 24:
fb_data_fmt = RGB888;
break;
case 16:
fb_data_fmt = RGB565;
break;
default:
printk(KERN_WARNING
"%s:un supported bits_per_pixel:%d\n", __func__,
bits_per_pixel);
break;
}
}
return fb_data_fmt;
}
/*
* rk display power control parse from dts
*/
int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
{
struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
"power_ctr");
struct device_node *child;
struct rk_disp_pwr_ctr_list *pwr_ctr;
struct list_head *pos;
enum of_gpio_flags flags;
u32 val = 0;
u32 debug = 0;
int ret;
INIT_LIST_HEAD(&dev_drv->pwrlist_head);
if (!root) {
dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
dev_drv->id);
return -ENODEV;
}
for_each_child_of_node(root, child) {
pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
GFP_KERNEL);
strcpy(pwr_ctr->pwr_ctr.name, child->name);
if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
if (val == GPIO) {
pwr_ctr->pwr_ctr.type = GPIO;
pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
dev_err(dev_drv->dev, "%s ivalid gpio\n",
child->name);
return -EINVAL;
}
pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
child->name);
if (ret) {
dev_err(dev_drv->dev,
"request %s gpio fail:%d\n",
child->name, ret);
}
} else {
pwr_ctr->pwr_ctr.type = REGULATOR;
pwr_ctr->pwr_ctr.rgl_name = NULL;
ret = of_property_read_string(child, "rockchip,regulator_name",
&(pwr_ctr->pwr_ctr.rgl_name));
if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
dev_err(dev_drv->dev, "get regulator name failed!\n");
if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
pwr_ctr->pwr_ctr.volt = val;
else
pwr_ctr->pwr_ctr.volt = 0;
}
};
if (!of_property_read_u32(child, "rockchip,delay", &val))
pwr_ctr->pwr_ctr.delay = val;
else
pwr_ctr->pwr_ctr.delay = 0;
list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
}
of_property_read_u32(root, "rockchip,debug", &debug);
if (debug) {
list_for_each(pos, &dev_drv->pwrlist_head) {
pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
list);
printk(KERN_INFO "pwr_ctr_name:%s\n"
"pwr_type:%s\n"
"gpio:%d\n"
"atv_val:%d\n"
"delay:%d\n\n",
pwr_ctr->pwr_ctr.name,
(pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
pwr_ctr->pwr_ctr.gpio,
pwr_ctr->pwr_ctr.atv_val,
pwr_ctr->pwr_ctr.delay);
}
}
return 0;
}
int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
{
struct list_head *pos;
struct rk_disp_pwr_ctr_list *pwr_ctr_list;
struct pwr_ctr *pwr_ctr;
struct regulator *regulator_lcd = NULL;
int count = 10;
if (list_empty(&dev_drv->pwrlist_head))
return 0;
list_for_each(pos, &dev_drv->pwrlist_head) {
pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
list);
pwr_ctr = &pwr_ctr_list->pwr_ctr;
if (pwr_ctr->type == GPIO) {
gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
mdelay(pwr_ctr->delay);
} else if (pwr_ctr->type == REGULATOR) {
if (pwr_ctr->rgl_name)
regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
if (regulator_lcd == NULL) {
dev_err(dev_drv->dev,
"%s: regulator get failed,regulator name:%s\n",
__func__, pwr_ctr->rgl_name);
continue;
}
regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
while (!regulator_is_enabled(regulator_lcd)) {
if (regulator_enable(regulator_lcd) == 0 || count == 0)
break;
else
dev_err(dev_drv->dev,
"regulator_enable failed,count=%d\n",
count);
count--;
}
regulator_put(regulator_lcd);
msleep(pwr_ctr->delay);
}
}
return 0;
}
int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
{
struct list_head *pos;
struct rk_disp_pwr_ctr_list *pwr_ctr_list;
struct pwr_ctr *pwr_ctr;
struct regulator *regulator_lcd = NULL;
int count = 10;
if (list_empty(&dev_drv->pwrlist_head))
return 0;
list_for_each(pos, &dev_drv->pwrlist_head) {
pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
list);
pwr_ctr = &pwr_ctr_list->pwr_ctr;
if (pwr_ctr->type == GPIO) {
gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
} else if (pwr_ctr->type == REGULATOR) {
if (pwr_ctr->rgl_name)
regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
if (regulator_lcd == NULL) {
dev_err(dev_drv->dev,
"%s: regulator get failed,regulator name:%s\n",
__func__, pwr_ctr->rgl_name);
continue;
}
while (regulator_is_enabled(regulator_lcd) > 0) {
if (regulator_disable(regulator_lcd) == 0 || count == 0)
break;
else
dev_err(dev_drv->dev,
"regulator_disable failed,count=%d\n",
count);
count--;
}
regulator_put(regulator_lcd);
}
}
return 0;
}
int rk_fb_video_mode_from_timing(const struct display_timing *dt,
struct rk_screen *screen)
{
screen->mode.pixclock = dt->pixelclock.typ;
screen->mode.left_margin = dt->hback_porch.typ;
screen->mode.right_margin = dt->hfront_porch.typ;
screen->mode.xres = dt->hactive.typ;
screen->mode.hsync_len = dt->hsync_len.typ;
screen->mode.upper_margin = dt->vback_porch.typ;
screen->mode.lower_margin = dt->vfront_porch.typ;
screen->mode.yres = dt->vactive.typ;
screen->mode.vsync_len = dt->vsync_len.typ;
screen->type = dt->screen_type;
screen->lvds_format = dt->lvds_format;
screen->face = dt->face;
screen->color_mode = dt->color_mode;
screen->dsp_lut = dt->dsp_lut;
screen->cabc_lut = dt->cabc_lut;
screen->cabc_gamma_base = dt->cabc_gamma_base;
if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
screen->pin_dclk = 1;
else
screen->pin_dclk = 0;
if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
screen->pin_hsync = 1;
else
screen->pin_hsync = 0;
if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
screen->pin_vsync = 1;
else
screen->pin_vsync = 0;
if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
screen->pin_den = 1;
else
screen->pin_den = 0;
return 0;
}
int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
{
struct display_timings *disp_timing;
struct display_timing *dt;
disp_timing = of_get_display_timings(np);
if (!disp_timing) {
pr_err("parse display timing err\n");
return -EINVAL;
}
dt = display_timings_get(disp_timing, disp_timing->native_mode);
rk_fb_video_mode_from_timing(dt, screen);
return 0;
}
int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
{
int x, y;
unsigned long long hz;
if (!screen) {
printk(KERN_ERR "%s:null screen!\n", __func__);
return 0;
}
x = screen->mode.xres + screen->mode.left_margin +
screen->mode.right_margin + screen->mode.hsync_len;
y = screen->mode.yres + screen->mode.upper_margin +
screen->mode.lower_margin + screen->mode.vsync_len;
hz = 1000000000000ULL; /* 1e12 picoseconds per second */
hz += (x * y) / 2;
do_div(hz, x * y); /* divide by x * y with rounding */
hz += pixclock / 2;
do_div(hz, pixclock); /* divide by pixclock with rounding */
return hz;
}
char *get_format_string(enum data_format format, char *fmt)
{
if (!fmt)
return NULL;
switch (format) {
case ARGB888:
strcpy(fmt, "ARGB888");
break;
case RGB888:
strcpy(fmt, "RGB888");
break;
case RGB565:
strcpy(fmt, "RGB565");
break;
case YUV420:
case YUV420_NV21:
strcpy(fmt, "YUV420");
break;
case YUV422:
strcpy(fmt, "YUV422");
break;
case YUV444:
strcpy(fmt, "YUV444");
break;
case YUV420_A:
strcpy(fmt, "YUV420_A");
break;
case YUV422_A:
strcpy(fmt, "YUV422_A");
break;
case YUV444_A:
strcpy(fmt, "YUV444_A");
break;
case XRGB888:
strcpy(fmt, "XRGB888");
break;
case XBGR888:
strcpy(fmt, "XBGR888");
break;
case ABGR888:
strcpy(fmt, "ABGR888");
break;
case FBDC_RGB_565:
strcpy(fmt, "FBDC_RGB_565");
break;
case FBDC_ARGB_888:
case FBDC_ABGR_888:
strcpy(fmt, "FBDC_ARGB_888");
break;
case FBDC_RGBX_888:
strcpy(fmt, "FBDC_RGBX_888");
break;
default:
strcpy(fmt, "invalid");
break;
}
return fmt;
}
/*
* this is for hdmi
* name: lcdc device name ,lcdc0 , lcdc1
*/
struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
{
struct rk_fb *inf = NULL;
struct rk_lcdc_driver *dev_drv = NULL;
int i = 0;
if (likely(fb_pdev))
inf = platform_get_drvdata(fb_pdev);
else
return NULL;
for (i = 0; i < inf->num_lcdc; i++) {
if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
dev_drv = inf->lcdc_dev_drv[i];
break;
}
}
return dev_drv;
}
static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
{
struct rk_fb *inf = NULL;
struct rk_lcdc_driver *dev_drv = NULL;
int i = 0;
if (likely(fb_pdev))
inf = platform_get_drvdata(fb_pdev);
else
return NULL;
for (i = 0; i < inf->num_lcdc; i++) {
if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
dev_drv = inf->lcdc_dev_drv[i];
break;
}
}
return dev_drv;
}
static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
{
struct rk_fb *inf = NULL;
struct rk_lcdc_driver *dev_drv = NULL;
int i = 0;
if (likely(fb_pdev))
inf = platform_get_drvdata(fb_pdev);
else
return NULL;
for (i = 0; i < inf->num_lcdc; i++) {
if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
dev_drv = inf->lcdc_dev_drv[i];
break;
}
}
return dev_drv;
}
/*
* get one frame time of the prmry screen, unit: us
*/
u32 rk_fb_get_prmry_screen_ft(void)
{
struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
uint32_t htotal, vtotal, pixclock_ps;
u64 pix_total, ft_us;
if (unlikely(!dev_drv))
return 0;
pixclock_ps = dev_drv->pixclock;
vtotal = (dev_drv->cur_screen->mode.upper_margin +
dev_drv->cur_screen->mode.lower_margin +
dev_drv->cur_screen->mode.yres +
dev_drv->cur_screen->mode.vsync_len);
htotal = (dev_drv->cur_screen->mode.left_margin +
dev_drv->cur_screen->mode.right_margin +
dev_drv->cur_screen->mode.xres +
dev_drv->cur_screen->mode.hsync_len);
pix_total = htotal * vtotal;
ft_us = pix_total * pixclock_ps;
do_div(ft_us, 1000000);
if (dev_drv->frame_time.ft == 0)
dev_drv->frame_time.ft = ft_us;
ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
do_div(ft_us, 1000);
ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
if (ft_us != 0)
dev_drv->frame_time.ft = ft_us;
return dev_drv->frame_time.ft;
}
/*
* get the vblanking time of the prmry screen, unit: us
*/
u32 rk_fb_get_prmry_screen_vbt(void)
{
struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
uint32_t htotal, vblank, pixclock_ps;
u64 pix_blank, vbt_us;
if (unlikely(!dev_drv))
return 0;
pixclock_ps = dev_drv->pixclock;
htotal = (dev_drv->cur_screen->mode.left_margin +
dev_drv->cur_screen->mode.right_margin +
dev_drv->cur_screen->mode.xres +
dev_drv->cur_screen->mode.hsync_len);
vblank = (dev_drv->cur_screen->mode.upper_margin +
dev_drv->cur_screen->mode.lower_margin +
dev_drv->cur_screen->mode.vsync_len);
pix_blank = htotal * vblank;
vbt_us = pix_blank * pixclock_ps;
do_div(vbt_us, 1000000);
return (u32)vbt_us;
}
/*
* get the frame done time of the prmry screen, unit: us
*/
u64 rk_fb_get_prmry_screen_framedone_t(void)
{
struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
if (unlikely(!dev_drv))
return 0;
else
return dev_drv->frame_time.framedone_t;
}
/*
* set prmry screen status
*/
int rk_fb_set_prmry_screen_status(int status)
{
struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
struct rk_screen *screen;
if (unlikely(!dev_drv))
return 0;
screen = dev_drv->cur_screen;
switch (status) {
case SCREEN_PREPARE_DDR_CHANGE:
if (screen->type == SCREEN_MIPI
|| screen->type == SCREEN_DUAL_MIPI) {
if (dev_drv->trsm_ops->dsp_pwr_off)
dev_drv->trsm_ops->dsp_pwr_off();
}
break;
case SCREEN_UNPREPARE_DDR_CHANGE:
if (screen->type == SCREEN_MIPI
|| screen->type == SCREEN_DUAL_MIPI) {
if (dev_drv->trsm_ops->dsp_pwr_on)
dev_drv->trsm_ops->dsp_pwr_on();
}
break;
default:
break;
}
return 0;
}
u32 rk_fb_get_prmry_screen_pixclock(void)
{
struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
if (unlikely(!dev_drv))
return 0;
else
return dev_drv->pixclock;
}
int rk_fb_poll_prmry_screen_vblank(void)
{
struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
if (likely(dev_drv)) {
if (dev_drv->ops->poll_vblank)
return dev_drv->ops->poll_vblank(dev_drv);
else
return RK_LF_STATUS_NC;
} else {
return RK_LF_STATUS_NC;
}
}
bool rk_fb_poll_wait_frame_complete(void)
{
uint32_t timeout = RK_LF_MAX_TIMEOUT;
struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
if (likely(dev_drv)) {
if (dev_drv->ops->set_irq_to_cpu)
dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
}
if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
if (likely(dev_drv)) {
if (dev_drv->ops->set_irq_to_cpu)
dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
}
return false;
}
while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
;
while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
;
if (likely(dev_drv)) {
if (dev_drv->ops->set_irq_to_cpu)
dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
}
return true;
}
/* rk_fb_get_sysmmu_device_by_compatible()
* @compt: dts device compatible name
* return value: success: pointer to the device inside of platform device
* fail: NULL
*/
struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
{
struct device_node *dn = NULL;
struct platform_device *pd = NULL;
struct device *ret = NULL ;
dn = of_find_compatible_node(NULL, NULL, compt);
if (!dn) {
printk("can't find device node %s \r\n", compt);
return NULL;
}
pd = of_find_device_by_node(dn);
if (!pd) {
printk("can't find platform device in device node %s \r\n", compt);
return NULL;
}
ret = &pd->dev;
return ret;
}
#ifdef CONFIG_IOMMU_API
void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
{
dev->archdata.iommu = sysmmu;
}
#else
void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
{
}
#endif
static int rk_fb_open(struct fb_info *info, int user)
{
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
int win_id;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
fb_par->state++;
/* if this win aready opened ,no need to reopen */
if (dev_drv->win[win_id]->state)
return 0;
else
dev_drv->ops->open(dev_drv, win_id, 1);
return 0;
}
static int rk_fb_close(struct fb_info *info, int user)
{
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct rk_lcdc_win *win = NULL;
int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
if (win_id >= 0) {
win = dev_drv->win[win_id];
if (fb_par->state)
fb_par->state--;
if (!fb_par->state) {
if (fb_par->fb_phy_base > 0)
info->fix.smem_start = fb_par->fb_phy_base;
info->var.xres = dev_drv->screen0->mode.xres;
info->var.yres = dev_drv->screen0->mode.yres;
/*
info->var.grayscale |=
(info->var.xres << 8) + (info->var.yres << 20);
*/
info->var.xres_virtual = info->var.xres;
info->var.yres_virtual = info->var.yres;
#if defined(CONFIG_LOGO_LINUX_BMP)
info->var.bits_per_pixel = 32;
#else
info->var.bits_per_pixel = 16;
#endif
info->fix.line_length =
(info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
info->var.width = dev_drv->screen0->width;
info->var.height = dev_drv->screen0->height;
info->var.pixclock = dev_drv->pixclock;
info->var.left_margin = dev_drv->screen0->mode.left_margin;
info->var.right_margin = dev_drv->screen0->mode.right_margin;
info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
}
}
return 0;
}
#if defined(FB_ROATE_BY_KERNEL)
#if defined(CONFIG_RK29_IPP)
static int get_ipp_format(int fmt)
{
int ipp_fmt = IPP_XRGB_8888;
switch (fmt) {
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_RGB_888:
ipp_fmt = IPP_XRGB_8888;
break;
case HAL_PIXEL_FORMAT_RGB_565:
ipp_fmt = IPP_RGB_565;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
ipp_fmt = IPP_Y_CBCR_H2V1;
break;
case HAL_PIXEL_FORMAT_YCrCb_NV12:
ipp_fmt = IPP_Y_CBCR_H2V2;
break;
case HAL_PIXEL_FORMAT_YCrCb_444:
ipp_fmt = IPP_Y_CBCR_H1V1;
break;
default:
ipp_fmt = IPP_IMGTYPE_LIMIT;
break;
}
return ipp_fmt;
}
static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
int rotation, int fmt)
{
int align16 = 2;
int align64 = 8;
if (fmt == IPP_XRGB_8888) {
align16 = 1;
align64 = 2;
} else if (fmt == IPP_RGB_565) {
align16 = 1;
align64 = 4;
} else {
align16 = 2;
align64 = 8;
}
align16 -= 1; /*for YUV, 1 */
align64 -= 1; /*for YUV, 7 */
if (rotation == IPP_ROT_0) {
if (fmt > IPP_RGB_565) {
if ((*dst_w & 1) != 0)
*dst_w = *dst_w + 1;
if ((*dst_h & 1) != 0)
*dst_h = *dst_h + 1;
if (*dst_vir_w < *dst_w)
*dst_vir_w = *dst_w;
}
} else {
if ((*dst_w & align64) != 0)
*dst_w = (*dst_w + align64) & (~align64);
if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
*dst_h = *dst_h + 1;
if (*dst_vir_w < *dst_w)
*dst_vir_w = *dst_w;
}
}
static void fb_copy_by_ipp(struct fb_info *dst_info,
struct fb_info *src_info)
{
struct rk29_ipp_req ipp_req;
uint32_t rotation = 0;
int dst_w, dst_h, dst_vir_w;
int ipp_fmt;
u8 data_format = (dst_info->var.nonstd) & 0xff;
struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
u16 orientation = ext_dev_drv->rotate_mode;
memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
switch (orientation) {
case 0:
rotation = IPP_ROT_0;
break;
case ROTATE_90:
rotation = IPP_ROT_90;
break;
case ROTATE_180:
rotation = IPP_ROT_180;
break;
case ROTATE_270:
rotation = IPP_ROT_270;
break;
default:
rotation = IPP_ROT_270;
break;
}
dst_w = dst_info->var.xres;
dst_h = dst_info->var.yres;
dst_vir_w = dst_info->var.xres_virtual;
ipp_fmt = get_ipp_format(data_format);
ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
ipp_req.src0.w = src_info->var.xres;
ipp_req.src0.h = src_info->var.yres;
ipp_req.src_vir_w = src_info->var.xres_virtual;
ipp_req.src0.fmt = ipp_fmt;
ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
ipp_req.dst0.w = dst_w;
ipp_req.dst0.h = dst_h;
ipp_req.dst_vir_w = dst_vir_w;
ipp_req.dst0.fmt = ipp_fmt;
ipp_req.timeout = 100;
ipp_req.flag = rotation;
ipp_blit_sync(&ipp_req);
}
#endif
#if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
static int get_rga_format(int fmt)
{
int rga_fmt = 0;
switch (fmt) {
case XBGR888:
rga_fmt = RK_FORMAT_RGBX_8888;
break;
case ABGR888:
rga_fmt = RK_FORMAT_RGBA_8888;
break;
case ARGB888:
rga_fmt = RK_FORMAT_BGRA_8888;
break;
case RGB888:
rga_fmt = RK_FORMAT_RGB_888;
break;
case RGB565:
rga_fmt = RK_FORMAT_RGB_565;
break;
case YUV422:
rga_fmt = RK_FORMAT_YCbCr_422_SP;
break;
case YUV420:
rga_fmt = RK_FORMAT_YCbCr_420_SP;
break;
default:
rga_fmt = RK_FORMAT_RGBA_8888;
break;
}
return rga_fmt;
}
static void rga_win_check(struct rk_lcdc_win *dst_win,
struct rk_lcdc_win *src_win)
{
int format = 0;
format = get_rga_format(src_win->area[0].format);
/* width and height must be even number */
if (format >= RK_FORMAT_YCbCr_422_SP &&
format <= RK_FORMAT_YCrCb_420_P) {
if ((src_win->area[0].xact % 2) != 0)
src_win->area[0].xact += 1;
if ((src_win->area[0].yact % 2) != 0)
src_win->area[0].yact += 1;
}
if (src_win->area[0].xvir < src_win->area[0].xact)
src_win->area[0].xvir = src_win->area[0].xact;
if (src_win->area[0].yvir < src_win->area[0].yact)
src_win->area[0].yvir = src_win->area[0].yact;
format = get_rga_format(dst_win->area[0].format);
if (format >= RK_FORMAT_YCbCr_422_SP &&
format <= RK_FORMAT_YCrCb_420_P) {
if ((dst_win->area[0].xact % 2) != 0)
dst_win->area[0].xact += 1;
if ((dst_win->area[0].yact % 2) != 0)
dst_win->area[0].yact += 1;
}
if (dst_win->area[0].xvir < dst_win->area[0].xact)
dst_win->area[0].xvir = dst_win->area[0].xact;
if (dst_win->area[0].yvir < dst_win->area[0].yact)
dst_win->area[0].yvir = dst_win->area[0].yact;
}
static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
struct rk_lcdc_win *src_win,
u16 orientation, int iommu_en)
{
struct rga_req Rga_Request;
long ret = 0;
/* int fd = 0; */
memset(&Rga_Request, 0, sizeof(Rga_Request));
rga_win_check(dst_win, src_win);
switch (orientation) {
case ROTATE_90:
Rga_Request.rotate_mode = 1;
Rga_Request.sina = 65536;
Rga_Request.cosa = 0;
Rga_Request.dst.act_w = dst_win->area[0].yact;
Rga_Request.dst.act_h = dst_win->area[0].xact;
Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
Rga_Request.dst.y_offset = 0;
break;
case ROTATE_180:
Rga_Request.rotate_mode = 1;
Rga_Request.sina = 0;
Rga_Request.cosa = -65536;
Rga_Request.dst.act_w = dst_win->area[0].xact;
Rga_Request.dst.act_h = dst_win->area[0].yact;
Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
break;
case ROTATE_270:
Rga_Request.rotate_mode = 1;
Rga_Request.sina = -65536;
Rga_Request.cosa = 0;
Rga_Request.dst.act_w = dst_win->area[0].yact;
Rga_Request.dst.act_h = dst_win->area[0].xact;
Rga_Request.dst.x_offset = 0;
Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
break;
default:
Rga_Request.rotate_mode = 0;
Rga_Request.dst.act_w = dst_win->area[0].xact;
Rga_Request.dst.act_h = dst_win->area[0].yact;
Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
break;
}
/*
fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
Rga_Request.src.yrgb_addr = fd;
fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
Rga_Request.dst.yrgb_addr = fd;
*/
Rga_Request.src.yrgb_addr = 0;
Rga_Request.src.uv_addr =
src_win->area[0].smem_start + src_win->area[0].y_offset;
Rga_Request.src.v_addr = 0;
Rga_Request.dst.yrgb_addr = 0;
Rga_Request.dst.uv_addr =
dst_win->area[0].smem_start + dst_win->area[0].y_offset;
Rga_Request.dst.v_addr = 0;
Rga_Request.src.vir_w = src_win->area[0].xvir;
Rga_Request.src.vir_h = src_win->area[0].yvir;
Rga_Request.src.format = get_rga_format(src_win->area[0].format);
Rga_Request.src.act_w = src_win->area[0].xact;
Rga_Request.src.act_h = src_win->area[0].yact;
Rga_Request.src.x_offset = 0;
Rga_Request.src.y_offset = 0;
Rga_Request.dst.vir_w = dst_win->area[0].xvir;
Rga_Request.dst.vir_h = dst_win->area[0].yvir;
Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
Rga_Request.clip.xmin = 0;
Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
Rga_Request.clip.ymin = 0;
Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
Rga_Request.scale_mode = 0;
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (iommu_en) {
Rga_Request.mmu_info.mmu_en = 1;
Rga_Request.mmu_info.mmu_flag = 1;
} else {
Rga_Request.mmu_info.mmu_en = 0;
Rga_Request.mmu_info.mmu_flag = 0;
}
#else
Rga_Request.mmu_info.mmu_en = 0;
Rga_Request.mmu_info.mmu_flag = 0;
#endif
ret = rga_ioctl_kernel(&Rga_Request);
}
/*
* This function is used for copying fb by RGA Module
* RGA only support copy RGB to RGB
* RGA2 support copy RGB to RGB and YUV to YUV
*/
static void fb_copy_by_rga(struct fb_info *dst_info,
struct fb_info *src_info)
{
struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
int win_id = 0, ext_win_id;
struct rk_lcdc_win *src_win, *dst_win;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
src_win = dev_drv->win[win_id];
ext_win_id =
ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
dst_win = ext_dev_drv->win[ext_win_id];
win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
ext_dev_drv->iommu_enabled);
}
#endif
static int rk_fb_rotate(struct fb_info *dst_info,
struct fb_info *src_info)
{
#if defined(CONFIG_RK29_IPP)
fb_copy_by_ipp(dst_info, src_info);
#elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
fb_copy_by_rga(dst_info, src_info);
#else
return -1;
#endif
return 0;
}
static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
struct rk_lcdc_win *src_win,
u16 rotate, int iommu_en)
{
#if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
#else
return -1;
#endif
return 0;
}
#endif
static int rk_fb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct fb_fix_screeninfo *fix = &info->fix;
int win_id = 0;
struct rk_lcdc_win *win = NULL;
struct rk_screen *screen = dev_drv->cur_screen;
u32 xoffset = var->xoffset;
u32 yoffset = var->yoffset;
u32 xvir = var->xres_virtual;
u8 pixel_width;
u32 vir_width_bit;
u32 stride, uv_stride;
u32 stride_32bit_1;
u32 stride_32bit_2;
u16 uv_x_off, uv_y_off, uv_y_act;
u8 is_pic_yuv = 0;
if (dev_drv->suspend_flag)
return 0;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
if (win_id < 0)
return -ENODEV;
else
win = dev_drv->win[win_id];
pixel_width = rk_fb_pixel_width(win->area[0].format);
vir_width_bit = pixel_width * xvir;
stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
switch (win->area[0].format) {
case YUV422:
case YUV422_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_1 >> 1;
uv_x_off = xoffset >> 1;
uv_y_off = yoffset;
fix->line_length = stride;
uv_y_act = win->area[0].yact >> 1;
break;
case YUV420: /* nv12 */
case YUV420_NV21: /* nv21 */
case YUV420_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_1;
uv_x_off = xoffset;
uv_y_off = yoffset >> 1;
fix->line_length = stride;
uv_y_act = win->area[0].yact >> 1;
break;
case YUV444:
case YUV444_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_2;
uv_x_off = xoffset * 2;
uv_y_off = yoffset;
fix->line_length = stride << 2;
uv_y_act = win->area[0].yact;
break;
default:
stride = stride_32bit_1; /* default rgb */
fix->line_length = stride;
break;
}
/* x y mirror ,jump line */
if ((screen->y_mirror == 1) ||
(win->mirror_en == 1)) {
if (screen->interlace == 1) {
win->area[0].y_offset = yoffset * stride * 2 +
((win->area[0].yact - 1) * 2 + 1) * stride +
xoffset * pixel_width / 8;
} else {
win->area[0].y_offset = yoffset * stride +
(win->area[0].yact - 1) * stride +
xoffset * pixel_width / 8;
}
} else {
if (screen->interlace == 1) {
win->area[0].y_offset =
yoffset * stride * 2 + xoffset * pixel_width / 8;
} else {
win->area[0].y_offset =
yoffset * stride + xoffset * pixel_width / 8;
}
}
if (is_pic_yuv == 1) {
if ((screen->y_mirror == 1) ||
(win->mirror_en == 1)) {
if (screen->interlace == 1) {
win->area[0].c_offset =
uv_y_off * uv_stride * 2 +
((uv_y_act - 1) * 2 + 1) * uv_stride +
uv_x_off * pixel_width / 8;
} else {
win->area[0].c_offset = uv_y_off * uv_stride +
(uv_y_act - 1) * uv_stride +
uv_x_off * pixel_width / 8;
}
} else {
if (screen->interlace == 1) {
win->area[0].c_offset =
uv_y_off * uv_stride * 2 +
uv_x_off * pixel_width / 8;
} else {
win->area[0].c_offset =
uv_y_off * uv_stride +
uv_x_off * pixel_width / 8;
}
}
}
win->area[0].smem_start = fix->smem_start;
win->area[0].cbr_start = fix->mmio_start;
win->area[0].state = 1;
win->area_num = 1;
dev_drv->ops->pan_display(dev_drv, win_id);
#ifdef CONFIG_FB_MIRRORING
if (video_data_to_mirroring)
video_data_to_mirroring(info, NULL);
#endif
/*if not want the config effect,set reserved[3] bit[0] 1*/
if (likely((var->reserved[3] & 0x1) == 0))
dev_drv->ops->cfg_done(dev_drv);
if (dev_drv->hdmi_switch)
mdelay(100);
return 0;
}
static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
{
int i, j;
i = list_empty(&dev_drv->update_regs_list);
j = list_empty(&dev_drv->saved_list);
return i == j ? 0 : 1;
}
void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
{
int err = sync_fence_wait(fence, 1000);
if (err >= 0)
return;
if (err == -ETIME)
err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
if (err < 0)
printk("error waiting on fence\n");
}
#if 0
static int rk_fb_copy_from_loader(struct fb_info *info)
{
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
void *dst = info->screen_base;
u32 dsp_addr[4];
u32 src;
u32 i,size;
int win_id;
struct rk_lcdc_win *win;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
win = dev_drv->win[win_id];
size = (win->area[0].xact) * (win->area[0].yact) << 2;
dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
src = dsp_addr[win_id];
dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
win->area[0].xact, win->area[0].yact, src);
for (i = 0; i < size; i += PAGE_SIZE) {
void *page = phys_to_page(i + src);
void *from_virt = kmap(page);
void *to_virt = dst + i;
memcpy(to_virt, from_virt, PAGE_SIZE);
}
dev_drv->ops->direct_set_addr(dev_drv, win_id,
info->fix.smem_start);
return 0;
}
#endif
static int g_last_addr[5][4];
static int g_now_config_addr[5][4];
static int g_last_state[5][4];
static int g_now_config_state[5][4];
int g_last_timeout;
u32 freed_addr[10];
u32 freed_index;
#ifdef CONFIG_ROCKCHIP_IOMMU
#define DUMP_CHUNK 256
char buf[PAGE_SIZE];
int rk_fb_sysmmu_fault_handler(struct device *dev,
enum rk_iommu_inttype itype,
unsigned long pgtable_base,
unsigned long fault_addr, unsigned int status)
{
struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
int i = 0, j = 0;
static int page_fault_cnt;
if ((page_fault_cnt++) >= 10)
return 0;
pr_err
("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
fault_addr, pgtable_base, status);
pr_info("last config addr:\n");
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++)
pr_info("win[%d],area[%d] = 0x%08x\n",
i, j, g_last_addr[i][j]);
}
pr_info("last freed buffer:\n");
for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
printk("%d:0x%08x\n", i, freed_addr[i]);
printk("last timeout:%d\n", g_last_timeout);
dev_drv->ops->get_disp_info(dev_drv, buf, 0);
for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
if ((PAGE_SIZE - i) > DUMP_CHUNK) {
char c = buf[i + DUMP_CHUNK];
buf[i + DUMP_CHUNK] = 0;
pr_cont("%s", buf + i);
buf[i + DUMP_CHUNK] = c;
} else {
buf[PAGE_SIZE - 1] = 0;
pr_cont("%s", buf + i);
}
}
return 0;
}
#endif
void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
struct rk_fb_reg_win_data *reg_win_data)
{
int i, index_buf;
struct rk_fb_reg_area_data *area_data;
struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
for (i = 0; i < reg_win_data->area_num; i++) {
area_data = &reg_win_data->reg_area_data[i];
index_buf = area_data->index_buf;
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (dev_drv->iommu_enabled) {
if (area_data->ion_handle != NULL)
ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
area_data->ion_handle);
freed_addr[freed_index++] = area_data->smem_start;
}
#endif
if (area_data->ion_handle != NULL)
ion_free(rk_fb->ion_client, area_data->ion_handle);
if (area_data->acq_fence)
sync_fence_put(area_data->acq_fence);
}
memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
}
static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
struct rk_lcdc_win *win,
struct rk_fb_reg_win_data *reg_win_data)
{
int i = 0;
struct rk_fb *inf = platform_get_drvdata(fb_pdev);
struct rk_screen *cur_screen;
struct rk_screen primary_screen;
if (unlikely(!inf) || unlikely(!dev_drv) ||
unlikely(!win) || unlikely(!reg_win_data))
return;
cur_screen = dev_drv->cur_screen;
rk_fb_get_prmry_screen(&primary_screen);
win->area_num = reg_win_data->area_num;
win->id = reg_win_data->win_id;
win->z_order = reg_win_data->z_order;
if (reg_win_data->reg_area_data[0].smem_start > 0) {
win->state = 1;
win->area_num = reg_win_data->area_num;
win->id = reg_win_data->win_id;
win->z_order = reg_win_data->z_order;
win->area[0].uv_vir_stride =
reg_win_data->reg_area_data[0].uv_vir_stride;
win->area[0].cbr_start =
reg_win_data->reg_area_data[0].cbr_start;
win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
win->alpha_en = reg_win_data->alpha_en;
win->alpha_mode = reg_win_data->alpha_mode;
win->g_alpha_val = reg_win_data->g_alpha_val;
win->mirror_en = reg_win_data->mirror_en;
win->area[0].fbdc_en =
reg_win_data->reg_area_data[0].fbdc_en;
win->area[0].fbdc_cor_en =
reg_win_data->reg_area_data[0].fbdc_cor_en;
win->area[0].fbdc_data_format =
reg_win_data->reg_area_data[0].fbdc_data_format;
for (i = 0; i < RK_WIN_MAX_AREA; i++) {
if (reg_win_data->reg_area_data[i].smem_start > 0) {
win->area[i].format =
reg_win_data->reg_area_data[i].data_format;
win->area[i].ion_hdl =
reg_win_data->reg_area_data[i].ion_handle;
win->area[i].smem_start =
reg_win_data->reg_area_data[i].smem_start;
if (inf->disp_mode == DUAL ||
inf->disp_mode == NO_DUAL) {
win->area[i].xpos =
reg_win_data->reg_area_data[i].xpos;
win->area[i].ypos =
reg_win_data->reg_area_data[i].ypos;
win->area[i].xsize =
reg_win_data->reg_area_data[i].xsize;
win->area[i].ysize =
reg_win_data->reg_area_data[i].ysize;
} else {
win->area[i].xpos =
reg_win_data->reg_area_data[i].xpos *
cur_screen->mode.xres /
primary_screen.mode.xres;
win->area[i].ypos =
reg_win_data->reg_area_data[i].ypos *
cur_screen->mode.yres /
primary_screen.mode.yres;
win->area[i].xsize =
reg_win_data->reg_area_data[i].xsize *
cur_screen->mode.xres /
primary_screen.mode.xres;
win->area[i].ysize =
reg_win_data->reg_area_data[i].ysize *
cur_screen->mode.yres /
primary_screen.mode.yres;
/* recalc display size if set hdmi scaler when at ONE_DUAL mode */
if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
if (cur_screen->xsize > 0 &&
cur_screen->xsize <= cur_screen->mode.xres) {
win->area[i].xpos =
((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
win->area[i].xsize =
win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
}
if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
win->area[i].ypos =
((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
win->area[i].ysize =
win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
}
}
}
win->area[i].xact =
reg_win_data->reg_area_data[i].xact;
win->area[i].yact =
reg_win_data->reg_area_data[i].yact;
win->area[i].xvir =
reg_win_data->reg_area_data[i].xvir;
win->area[i].yvir =
reg_win_data->reg_area_data[i].yvir;
win->area[i].xoff =
reg_win_data->reg_area_data[i].xoff;
win->area[i].yoff =
reg_win_data->reg_area_data[i].yoff;
win->area[i].y_offset =
reg_win_data->reg_area_data[i].y_offset;
win->area[i].y_vir_stride =
reg_win_data->reg_area_data[i].y_vir_stride;
win->area[i].state = 1;
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (dev_drv->iommu_enabled) {
g_now_config_addr[win->id][i] =
win->area[i].smem_start +
win->area[i].y_offset;
g_now_config_state[win->id][i] = 1;
}
#endif
} else {
win->area[i].state = 0;
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (dev_drv->iommu_enabled) {
g_now_config_addr[win->id][i] = 0;
g_now_config_state[win->id][i] = 0;
}
#endif
}
}
}
}
static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
*regs, int win_id)
{
int i;
struct rk_fb_reg_win_data *win_data = NULL;
for (i = 0; i < regs->win_num; i++) {
if (regs->reg_win_data[i].win_id == win_id) {
win_data = &(regs->reg_win_data[i]);
break;
}
}
return win_data;
}
static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
struct rk_fb_reg_data *regs,
int count)
{
int i, j, wait_for_vsync = false;
unsigned int dsp_addr[5][4];
int win_status = 0;
if (dev_drv->ops->get_dsp_addr)
dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
for (j = 0;j < RK_WIN_MAX_AREA; j++) {
if ((j > 0) && (dev_drv->area_support[i] == 1)) {
continue;
}
if (dev_drv->win[i]->area[j].state == 1) {
u32 new_start =
dev_drv->win[i]->area[j].smem_start +
dev_drv->win[i]->area[j].y_offset;
u32 reg_start = dsp_addr[i][j];
if (unlikely(new_start != reg_start)) {
wait_for_vsync = true;
dev_info(dev_drv->dev,
"win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
i, new_start, reg_start, 101 - count);
break;
}
} else if (dev_drv->win[i]->area[j].state == 0) {
if (dev_drv->ops->get_win_state) {
win_status =
dev_drv->ops->get_win_state(dev_drv, i, j);
if (win_status)
wait_for_vsync = true;
}
} else {
pr_err("!!!win[%d]state:%d,error!!!\n",
i, dev_drv->win[i]->state);
}
}
}
return wait_for_vsync;
}
static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
{
int i, j, state, page_fault = 0;
unsigned int dsp_addr[5][4];
if (dev_drv->ops->extern_func) {
dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
}
if (page_fault) {
pr_info("last config:\n");
for(i = 0; i < dev_drv->lcdc_win_num; i++) {
for(j = 0; j < RK_WIN_MAX_AREA; j++) {
if ((j > 0) && (dev_drv->area_support[i] == 1))
continue;
pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
i, j, g_last_state[i][j], g_last_addr[i][j]);
}
}
pr_info("last freed buffer:\n");
for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
pr_info("%d:0x%08x\n", i, freed_addr[i]);
dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
pr_info("vop now state:\n");
for(i = 0; i < dev_drv->lcdc_win_num; i++) {
for(j = 0; j < RK_WIN_MAX_AREA; j++) {
if ((j > 0) && (dev_drv->area_support[i] == 1))
continue;
state = dev_drv->ops->get_win_state(dev_drv, i, j);
pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
i, j, state, dsp_addr[i][j]);
}
}
pr_info("now config:\n");
for(i = 0; i < dev_drv->lcdc_win_num; i++) {
for(j = 0; j < RK_WIN_MAX_AREA; j++) {
if ((j > 0) && (dev_drv->area_support[i] == 1))
continue;
pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
i, j, g_now_config_state[i][j],
g_now_config_addr[i][j]);
}
}
for (i = 0; i < DUMP_FRAME_NUM; i++)
rk_fb_config_debug(dev_drv, &(dev_drv->tmp_win_cfg[i]),
&(dev_drv->tmp_regs[i]), 0);
}
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
for (j = 0; j < RK_WIN_MAX_AREA; j++) {
if ((j > 0) && (dev_drv->area_support[i] == 1))
continue;
g_last_addr[i][j] = g_now_config_addr[i][j];
g_last_state[i][j] = g_now_config_state[i][j];
}
}
return page_fault;
}
static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
struct rk_fb_reg_data *regs)
{
int i, j;
struct rk_lcdc_win *win;
ktime_t timestamp = dev_drv->vsync_info.timestamp;
struct rk_fb_reg_win_data *win_data;
bool wait_for_vsync;
int count = 100;
long timeout;
int pagefault = 0;
/* acq_fence wait */
for (i = 0; i < regs->win_num; i++) {
win_data = &regs->reg_win_data[i];
for (j = 0; j < RK_WIN_MAX_AREA; j++) {
if (win_data->reg_area_data[j].acq_fence) {
/* printk("acq_fence wait!!!!!\n"); */
rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
}
}
}
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
win = dev_drv->win[i];
win_data = rk_fb_get_win_data(regs, i);
if (win_data) {
mutex_lock(&dev_drv->win_config);
rk_fb_update_win(dev_drv, win, win_data);
win->state = 1;
dev_drv->ops->set_par(dev_drv, i);
dev_drv->ops->pan_display(dev_drv, i);
mutex_unlock(&dev_drv->win_config);
} else {
win->z_order = -1;
win->state = 0;
for (j = 0; j < 4; j++)
win->area[j].state = 0;
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (dev_drv->iommu_enabled) {
for (j = 0; j < 4; j++) {
g_now_config_addr[i][j] = 0;
g_now_config_state[i][j] = 0;
}
}
#endif
}
}
dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
if (rk_fb_iommu_debug > 0) {
pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
}
if (pagefault == 0) {
dev_drv->ops->cfg_done(dev_drv);
} else {
sw_sync_timeline_inc(dev_drv->timeline, 1);
}
do {
timestamp = dev_drv->vsync_info.timestamp;
timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
msecs_to_jiffies(50));
wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
} while (wait_for_vsync && count--);
#ifdef H_USE_FENCE
sw_sync_timeline_inc(dev_drv->timeline, 1);
#endif
if (dev_drv->front_regs) {
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (dev_drv->iommu_enabled) {
if (dev_drv->ops->mmu_en)
dev_drv->ops->mmu_en(dev_drv);
freed_index = 0;
g_last_timeout = timeout;
}
#endif
mutex_lock(&dev_drv->front_lock);
for (i = 0; i < dev_drv->front_regs->win_num; i++) {
win_data = &dev_drv->front_regs->reg_win_data[i];
rk_fb_free_dma_buf(dev_drv, win_data);
}
kfree(dev_drv->front_regs);
mutex_unlock(&dev_drv->front_lock);
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (dev_drv->iommu_enabled)
freed_addr[freed_index] = 0xfefefefe;
#endif
}
mutex_lock(&dev_drv->front_lock);
dev_drv->front_regs = regs;
mutex_unlock(&dev_drv->front_lock);
trace_buffer_dump(&fb_pdev->dev, dev_drv);
}
static void rk_fb_update_regs_handler(struct kthread_work *work)
{
struct rk_lcdc_driver *dev_drv =
container_of(work, struct rk_lcdc_driver, update_regs_work);
struct rk_fb_reg_data *data, *next;
mutex_lock(&dev_drv->update_regs_list_lock);
dev_drv->saved_list = dev_drv->update_regs_list;
list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
mutex_unlock(&dev_drv->update_regs_list_lock);
list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
rk_fb_update_reg(dev_drv, data);
list_del(&data->list);
}
if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
wake_up(&dev_drv->update_regs_wait);
}
static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
struct rk_screen *screen)
{
if (area_par->phy_addr > 0)
pr_err("%s[%d], phy_addr = 0x%x\n",
__func__, __LINE__, area_par->phy_addr);
if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
(area_par->xact <= 0) || (area_par->yact <= 0) ||
(area_par->xvir <= 0) || (area_par->yvir <= 0)) {
pr_err("check config var fail 0:\n"
"x_offset=%d,xact=%d,xvir=%d\n",
area_par->x_offset, area_par->xact, area_par->xvir);
return -EINVAL;
}
if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
(area_par->ypos + area_par->ysize > screen->mode.yres) ||
(area_par->xsize <= 0) || (area_par->ysize <= 0)) {
pr_warn("check config var fail 1:\n"
"xpos=%d,xsize=%d,xres=%d\n"
"ypos=%d,ysize=%d,yres=%d\n",
area_par->xpos, area_par->xsize, screen->mode.xres,
area_par->ypos, area_par->ysize, screen->mode.yres);
return -EINVAL;
}
return 0;
}
static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
struct rk_fb_win_cfg_data *win_data,
struct rk_fb_reg_data *regs, u32 cmd)
{
int i, j;
struct rk_fb_win_par *win_par;
struct rk_fb_area_par *area_par;
struct rk_fb_reg_win_data *reg_win_data;
struct rk_fb_reg_area_data *area_data;
fb_dbg(cmd, "-------------frame start-------------\n");
fb_dbg(cmd, "user config:\n");
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
win_par = &(win_data->win_par[i]);
if ((win_par->area_par[0].ion_fd <= 0) &&
(win_par->area_par[0].phy_addr <= 0))
continue;
fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
win_par->win_id, win_par->z_order,
win_par->g_alpha_val);
for (j = 0; j < RK_WIN_MAX_AREA; j++) {
area_par = &(win_par->area_par[j]);
if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
((win_par->area_par[j].ion_fd <= 0) &&
(win_par->area_par[j].phy_addr <= 0)))
continue;
fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
j, area_par->data_format, area_par->ion_fd,
area_par->phy_addr, area_par->x_offset,
area_par->y_offset);
fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
area_par->xpos, area_par->ypos,
area_par->xsize, area_par->ysize);
fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
area_par->xact, area_par->yact,
area_par->xvir, area_par->yvir);
}
}
fb_dbg(cmd, "regs data:\n");
fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
regs->win_num, regs->buf_num);
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
reg_win_data = &(regs->reg_win_data[i]);
if (reg_win_data->reg_area_data[0].smem_start <= 0)
continue;
fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
reg_win_data->win_id, reg_win_data->z_order,
reg_win_data->area_num, reg_win_data->area_buf_num);
for (j = 0; j < RK_WIN_MAX_AREA; j++) {
area_data = &(reg_win_data->reg_area_data[j]);
if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
(area_data->smem_start <= 0))
continue;
fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
j, area_data->data_format, area_data->ion_handle,
area_data->smem_start, area_data->cbr_start);
fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
area_data->y_offset, area_data->c_offset,area_data->buff_len);
fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
area_data->xpos, area_data->ypos,
area_data->xsize, area_data->ysize);
fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
area_data->xact, area_data->yact,
area_data->xvir, area_data->yvir);
}
}
fb_dbg(cmd, "-------------frame end---------------\n");
return 0;
}
static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
struct rk_fb_win_cfg_data *win_cfg,
struct rk_fb_reg_data *regs)
{
int i;
/*2->1->0: 0 is newest*/
for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
memcpy(&(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-1-i]),
&(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-2-i]),
sizeof(struct rk_fb_win_cfg_data));
memcpy(&(dev_drv->tmp_regs[DUMP_FRAME_NUM-1-i]),
&(dev_drv->tmp_regs[DUMP_FRAME_NUM-2-i]),
sizeof(struct rk_fb_reg_data));
}
memcpy(&(dev_drv->tmp_win_cfg[0]), win_cfg,
sizeof(struct rk_fb_win_cfg_data));
memcpy(&(dev_drv->tmp_regs[0]), regs,
sizeof(struct rk_fb_reg_data));
return 0;
}
static int rk_fb_set_win_buffer(struct fb_info *info,
struct rk_fb_win_par *win_par,
struct rk_fb_reg_win_data *reg_win_data)
{
struct rk_fb *rk_fb = dev_get_drvdata(info->device);
struct fb_fix_screeninfo *fix = &info->fix;
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
/*if hdmi size move to hwc,screen should point to cur_screen
otherwise point to screen0[main screen]*/
struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
struct fb_info *fbi;
int i, ion_fd, acq_fence_fd;
u32 xvir, yvir;
u32 xoffset, yoffset;
struct ion_handle *hdl;
size_t len;
int index_buf;
u8 fb_data_fmt;
u8 pixel_width;
u32 vir_width_bit;
u32 stride, uv_stride;
u32 stride_32bit_1;
u32 stride_32bit_2;
u16 uv_x_off, uv_y_off, uv_y_act;
u8 is_pic_yuv = 0;
u8 ppixel_a = 0, global_a = 0;
ion_phys_addr_t phy_addr;
int ret = 0;
int buff_len;
reg_win_data->reg_area_data[0].smem_start = -1;
reg_win_data->area_num = 0;
fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
if (win_par->area_par[0].phy_addr == 0) {
for (i = 0; i < RK_WIN_MAX_AREA; i++) {
ion_fd = win_par->area_par[i].ion_fd;
if (ion_fd > 0) {
hdl =
ion_import_dma_buf(rk_fb->ion_client,
ion_fd);
if (IS_ERR(hdl)) {
pr_info("%s: Could not import handle:"
" %ld\n", __func__, (long)hdl);
return -EINVAL;
break;
}
reg_win_data->reg_area_data[i].ion_handle = hdl;
#ifndef CONFIG_ROCKCHIP_IOMMU
ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
&len);
#else
if (dev_drv->iommu_enabled)
ret = ion_map_iommu(dev_drv->dev,
rk_fb->ion_client,
hdl,
(unsigned long *)&phy_addr,
(unsigned long *)&len);
else
ret = ion_phys(rk_fb->ion_client, hdl,
&phy_addr, &len);
#endif
if (ret < 0) {
dev_err(fbi->dev, "ion map to get phy addr failed\n");
ion_free(rk_fb->ion_client, hdl);
return -ENOMEM;
}
reg_win_data->reg_area_data[i].smem_start = phy_addr;
reg_win_data->area_num++;
reg_win_data->area_buf_num++;
reg_win_data->reg_area_data[i].index_buf = 1;
reg_win_data->reg_area_data[i].buff_len = len;
}
}
} else {
reg_win_data->reg_area_data[0].smem_start =
win_par->area_par[0].phy_addr;
reg_win_data->area_num = 1;
reg_win_data->area_buf_num++;
fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
}
if (reg_win_data->area_num == 0) {
for (i = 0; i < RK_WIN_MAX_AREA; i++)
reg_win_data->reg_area_data[i].smem_start = 0;
reg_win_data->z_order = -1;
reg_win_data->win_id = -1;
return 0;
}
for (i = 0; i < reg_win_data->area_num; i++) {
acq_fence_fd = win_par->area_par[i].acq_fence_fd;
index_buf = reg_win_data->reg_area_data[i].index_buf;
if ((acq_fence_fd > 0) && (index_buf == 1)) {
reg_win_data->reg_area_data[i].acq_fence =
sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
}
}
if (reg_win_data->reg_area_data[0].smem_start > 0) {
reg_win_data->z_order = win_par->z_order;
reg_win_data->win_id = win_par->win_id;
} else {
reg_win_data->z_order = -1;
reg_win_data->win_id = -1;
}
reg_win_data->mirror_en = win_par->mirror_en;
for (i = 0; i < reg_win_data->area_num; i++) {
/*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
if (fb_data_fmt >= FBDC_RGB_565) {
reg_win_data->reg_area_data[i].fbdc_en = 1;
reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
} else {
reg_win_data->reg_area_data[i].fbdc_en = 0;
reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
}
pixel_width = rk_fb_pixel_width(fb_data_fmt);
ppixel_a |= ((fb_data_fmt == ARGB888) ||
(fb_data_fmt == FBDC_ARGB_888) ||
(fb_data_fmt == FBDC_ABGR_888) ||
(fb_data_fmt == ABGR888)) ? 1 : 0;
/*act_height should be 2 pix align for interlace output*/
if (win_par->area_par[i].yact % 2 == 1) {
win_par->area_par[i].yact -= 1;
win_par->area_par[i].ysize -= 1;
}
/* buf offset should be 2 pix align*/
if (win_par->area_par[i].x_offset % 2 == 1) {
win_par->area_par[i].x_offset += 1;
win_par->area_par[i].xact -= 1;
}
/* visiable pos in panel */
reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
/* realy size in panel */
reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
/* realy size in panel */
reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
xoffset = win_par->area_par[i].x_offset; /* buf offset */
yoffset = win_par->area_par[i].y_offset;
reg_win_data->reg_area_data[i].xoff = xoffset;
reg_win_data->reg_area_data[i].yoff = yoffset;
xvir = win_par->area_par[i].xvir;
reg_win_data->reg_area_data[i].xvir = xvir;
yvir = win_par->area_par[i].yvir;
reg_win_data->reg_area_data[i].yvir = yvir;
vir_width_bit = pixel_width * xvir;
/* pixel_width = byte_num*8 */
stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
stride = stride_32bit_1; /* default rgb */
fix->line_length = stride;
reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
/* x y mirror ,jump line
* reg_win_data->reg_area_data[i].y_offset =
* yoffset*stride+xoffset*pixel_width/8;
*/
if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
if (screen->interlace == 1) {
reg_win_data->reg_area_data[i].y_offset =
yoffset * stride * 2 +
((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
xoffset * pixel_width / 8;
} else {
reg_win_data->reg_area_data[i].y_offset =
yoffset * stride +
(reg_win_data->reg_area_data[i].yact - 1) * stride +
xoffset * pixel_width / 8;
}
} else {
if (screen->interlace == 1) {
reg_win_data->reg_area_data[i].y_offset =
yoffset * stride * 2 +
xoffset * pixel_width / 8;
} else {
reg_win_data->reg_area_data[i].y_offset =
yoffset * stride +
xoffset * pixel_width / 8;
}
}
if ((fb_data_fmt != YUV420) &&
(fb_data_fmt != YUV420_NV21) &&
(fb_data_fmt != YUV422) &&
(fb_data_fmt != YUV444) &&
dev_drv->iommu_enabled) {
buff_len = reg_win_data->reg_area_data[i].y_offset +
reg_win_data->reg_area_data[i].xvir *
reg_win_data->reg_area_data[i].yact *
pixel_width / 8 -
reg_win_data->reg_area_data[i].xoff*
pixel_width / 8;
if (buff_len > reg_win_data->reg_area_data[i].buff_len)
pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
"yact[%d]*bpp[%d]"
"=buff_len[0x%x]>>mmu len=0x%x\n",
fb_data_fmt,
reg_win_data->reg_area_data[i].xvir,
reg_win_data->reg_area_data[i].yact,
pixel_width, buff_len,
reg_win_data->reg_area_data[i].buff_len);
}
}
global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
reg_win_data->alpha_en = ppixel_a | global_a;
reg_win_data->g_alpha_val = win_par->g_alpha_val;
reg_win_data->alpha_mode = win_par->alpha_mode;
switch (fb_data_fmt) {
case YUV422:
case YUV422_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_1 >> 1;
uv_x_off = xoffset >> 1;
uv_y_off = yoffset;
fix->line_length = stride;
uv_y_act = win_par->area_par[0].yact >> 1;
break;
case YUV420: /* nv12 */
case YUV420_NV21: /* nv21 */
case YUV420_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_1;
uv_x_off = xoffset;
uv_y_off = yoffset >> 1;
fix->line_length = stride;
uv_y_act = win_par->area_par[0].yact >> 1;
break;
case YUV444:
case YUV444_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_2;
uv_x_off = xoffset * 2;
uv_y_off = yoffset;
fix->line_length = stride << 2;
uv_y_act = win_par->area_par[0].yact;
break;
default:
break;
}
if (is_pic_yuv == 1) {
reg_win_data->reg_area_data[0].cbr_start =
reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
if (screen->interlace == 1) {
reg_win_data->reg_area_data[0].c_offset =
uv_y_off * uv_stride * 2 +
((uv_y_act - 1) * 2 + 1) * uv_stride +
uv_x_off * pixel_width / 8;
} else {
reg_win_data->reg_area_data[0].c_offset =
uv_y_off * uv_stride +
(uv_y_act - 1) * uv_stride +
uv_x_off * pixel_width / 8;
}
} else {
if (screen->interlace == 1) {
reg_win_data->reg_area_data[0].c_offset =
uv_y_off * uv_stride * 2 +
uv_x_off * pixel_width / 8;
} else {
reg_win_data->reg_area_data[0].c_offset =
uv_y_off * uv_stride +
uv_x_off * pixel_width / 8;
}
}
buff_len = reg_win_data->reg_area_data[0].cbr_start +
reg_win_data->reg_area_data[0].c_offset +
reg_win_data->reg_area_data[0].xvir *
reg_win_data->reg_area_data[0].yact *
pixel_width / 16 -
reg_win_data->reg_area_data[0].smem_start -
reg_win_data->reg_area_data[0].xoff*
pixel_width / 16 ;
if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
dev_drv->iommu_enabled)
pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
"yact[%d]*bpp[%d]"
"=buff_len[0x%x]>>mmu len=0x%x\n",
fb_data_fmt,
reg_win_data->reg_area_data[0].xvir,
reg_win_data->reg_area_data[0].yact,
pixel_width, buff_len,
reg_win_data->reg_area_data[0].buff_len);
}
/* record buffer information for rk_fb_disp_scale to prevent fence timeout
* because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
* delete by hjc for new hdmi overscan framework
*/
/*info->var.yoffset = yoffset;
info->var.xoffset = xoffset;*/
return 0;
}
static int rk_fb_set_win_config(struct fb_info *info,
struct rk_fb_win_cfg_data *win_data)
{
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct rk_fb_reg_data *regs;
#ifdef H_USE_FENCE
struct sync_fence *release_fence[RK_MAX_BUF_NUM];
struct sync_fence *retire_fence;
struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
struct sync_pt *retire_sync_pt;
char fence_name[20];
#endif
int ret = 0, i, j = 0;
int list_is_empty = 0;
struct rk_screen *screen = dev_drv->cur_screen;
mutex_lock(&dev_drv->output_lock);
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
(win_data->win_par[i].area_par[j].phy_addr > 0))
ret += rk_fb_check_config_var(
&win_data->win_par[i].area_par[j],
screen);
}
}
if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
dev_drv->timeline_max++;
sw_sync_timeline_inc(dev_drv->timeline, 1);
if (dev_drv->suspend_flag)
pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
else if (dev_drv->hdmi_switch)
pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
else
pr_err("error config ,ignore\n");
for (j = 0; j < RK_MAX_BUF_NUM; j++)
win_data->rel_fence_fd[j] = -1;
win_data->ret_fence_fd = -1;
goto err;
}
regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
if (!regs) {
printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
ret = -ENOMEM;
goto err;
}
for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
&regs->reg_win_data[j])) {
ret = -ENOMEM;
pr_info("error:%s[%d]\n", __func__,__LINE__);
goto err2;
}
if (regs->reg_win_data[j].area_num > 0) {
regs->win_num++;
regs->buf_num +=
regs->reg_win_data[j].area_buf_num;
}
j++;
} else {
printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
printk(KERN_INFO "i=%d,win_id=%d\n", i,
win_data->win_par[i].win_id);
}
}
if (regs->win_num <= 0)
goto err_null_frame;
dev_drv->timeline_max++;
#ifdef H_USE_FENCE
win_data->ret_fence_fd = get_unused_fd();
if (win_data->ret_fence_fd < 0) {
pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
win_data->ret_fence_fd = -1;
ret = -EFAULT;
goto err2;
}
for (i = 0; i < RK_MAX_BUF_NUM; i++) {
if (i < regs->buf_num) {
sprintf(fence_name, "fence%d", i);
win_data->rel_fence_fd[i] = get_unused_fd();
if (win_data->rel_fence_fd[i] < 0) {
printk(KERN_INFO "rel_fence_fd=%d\n",
win_data->rel_fence_fd[i]);
ret = -EFAULT;
goto err2;
}
release_sync_pt[i] =
sw_sync_pt_create(dev_drv->timeline,
dev_drv->timeline_max);
release_fence[i] =
sync_fence_create(fence_name, release_sync_pt[i]);
sync_fence_install(release_fence[i],
win_data->rel_fence_fd[i]);
} else {
win_data->rel_fence_fd[i] = -1;
}
}
retire_sync_pt =
sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
sync_fence_install(retire_fence, win_data->ret_fence_fd);
#else
for (i = 0; i < RK_MAX_BUF_NUM; i++)
win_data->rel_fence_fd[i] = -1;
win_data->ret_fence_fd = -1;
#endif
if (dev_drv->wait_fs == 0) {
mutex_lock(&dev_drv->update_regs_list_lock);
list_add_tail(&regs->list, &dev_drv->update_regs_list);
mutex_unlock(&dev_drv->update_regs_list_lock);
queue_kthread_work(&dev_drv->update_regs_worker,
&dev_drv->update_regs_work);
} else {
mutex_lock(&dev_drv->update_regs_list_lock);
list_is_empty = list_empty(&dev_drv->update_regs_list) &&
list_empty(&dev_drv->saved_list);
mutex_unlock(&dev_drv->update_regs_list_lock);
if (!list_is_empty) {
ret = wait_event_timeout(dev_drv->update_regs_wait,
list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
msecs_to_jiffies(60));
if (ret > 0)
rk_fb_update_reg(dev_drv, regs);
else
printk("%s: wait update_regs_wait timeout\n", __func__);
} else if (ret == 0) {
rk_fb_update_reg(dev_drv, regs);
}
}
if (rk_fb_debug_lvl > 0)
rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
if (rk_fb_iommu_debug > 0)
rk_fb_config_backup(dev_drv, win_data, regs);
err:
mutex_unlock(&dev_drv->output_lock);
return ret;
err_null_frame:
for (j = 0; j < RK_MAX_BUF_NUM; j++)
win_data->rel_fence_fd[j] = -1;
win_data->ret_fence_fd = -1;
pr_info("win num = %d,null frame\n", regs->win_num);
err2:
kfree(regs);
mutex_unlock(&dev_drv->output_lock);
return ret;
}
#if 1
static int cfgdone_distlist[10] = { 0 };
static int cfgdone_index;
static int cfgdone_lasttime;
int rk_get_real_fps(int before)
{
struct timespec now;
int dist_curr;
int dist_total = 0;
int dist_count = 0;
int dist_first = 0;
int index = cfgdone_index;
int i = 0, fps = 0;
int total;
if (before > 100)
before = 100;
if (before < 0)
before = 0;
getnstimeofday(&now);
dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
cfgdone_lasttime;
total = dist_curr;
/*
printk("fps: ");
*/
for (i = 0; i < 10; i++) {
if (--index < 0)
index = 9;
total += cfgdone_distlist[index];
if (i == 0)
dist_first = cfgdone_distlist[index];
if (total < (before * 1000)) {
/*
printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
*/
dist_total += cfgdone_distlist[index];
dist_count++;
} else {
break;
}
}
/*
printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
*/
dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
dist_total += dist_curr;
dist_count++;
if (dist_total > 0)
fps = (1000000 * dist_count) / dist_total;
else
fps = 60;
/*
printk("curr2 %d, fps=%d\n", dist_curr, fps);
*/
return fps;
}
EXPORT_SYMBOL(rk_get_real_fps);
#endif
#ifdef CONFIG_ROCKCHIP_IOMMU
#define ION_MAX 10
static struct ion_handle *ion_hanle[ION_MAX];
static struct ion_handle *ion_hwc[1];
#endif
static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
struct rk_fb *rk_fb = dev_get_drvdata(info->device);
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct fb_fix_screeninfo *fix = &info->fix;
struct rk_lcdc_win *win;
int enable; /* enable fb:1 enable;0 disable */
int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
int num_buf; /* buffer_number */
int ret;
struct rk_fb_win_cfg_data win_data;
unsigned int dsp_addr[4][4];
int list_stat;
int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
void __user *argp = (void __user *)arg;
win = dev_drv->win[win_id];
switch (cmd) {
case RK_FBIOSET_HWC_ADDR:
{
u32 hwc_phy[1];
if (copy_from_user(hwc_phy, argp, 4))
return -EFAULT;
#ifdef CONFIG_ROCKCHIP_IOMMU
if (!dev_drv->iommu_enabled) {
#endif
fix->smem_start = hwc_phy[0];
#ifdef CONFIG_ROCKCHIP_IOMMU
} else {
int usr_fd;
struct ion_handle *hdl;
ion_phys_addr_t phy_addr;
size_t len;
usr_fd = hwc_phy[0];
if (!usr_fd) {
fix->smem_start = 0;
fix->mmio_start = 0;
dev_drv->ops->open(dev_drv, win_id, 0);
break;
}
if (ion_hwc[0] != 0) {
ion_free(rk_fb->ion_client, ion_hwc[0]);
ion_hwc[0] = 0;
}
hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
if (IS_ERR(hdl)) {
dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
PTR_ERR(hdl));
return -EFAULT;
}
ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
(unsigned long *)&phy_addr,
(unsigned long *)&len);
if (ret < 0) {
dev_err(info->dev, "ion map to get hwc phy addr failed");
ion_free(rk_fb->ion_client, hdl);
return -ENOMEM;
}
fix->smem_start = phy_addr;
ion_hwc[0] = hdl;
}
#endif
break;
}
case RK_FBIOSET_YUV_ADDR:
{
u32 yuv_phy[2];
if (copy_from_user(yuv_phy, argp, 8))
return -EFAULT;
#ifdef CONFIG_ROCKCHIP_IOMMU
if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
#endif
fix->smem_start = yuv_phy[0];
fix->mmio_start = yuv_phy[1];
#ifdef CONFIG_ROCKCHIP_IOMMU
} else {
int usr_fd, offset, tmp;
struct ion_handle *hdl;
ion_phys_addr_t phy_addr;
size_t len;
usr_fd = yuv_phy[0];
offset = yuv_phy[1] - yuv_phy[0];
if (!usr_fd) {
fix->smem_start = 0;
fix->mmio_start = 0;
break;
}
if (ion_hanle[ION_MAX - 1] != 0) {
/*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
/*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
ion_hanle[ION_MAX - 1] = 0;
}
hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
if (IS_ERR(hdl)) {
dev_err(info->dev, "failed to get ion handle:%ld\n",
PTR_ERR(hdl));
return -EFAULT;
}
ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
(unsigned long *)&phy_addr,
(unsigned long *)&len);
if (ret < 0) {
dev_err(info->dev, "ion map to get phy addr failed");
ion_free(rk_fb->ion_client, hdl);
return -ENOMEM;
}
fix->smem_start = phy_addr;
fix->mmio_start = phy_addr + offset;
fix->smem_len = len;
/*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
ion_hanle[0] = hdl;
for (tmp = ION_MAX - 1; tmp > 0; tmp--)
ion_hanle[tmp] = ion_hanle[tmp - 1];
ion_hanle[0] = 0;
}
#endif
break;
}
case RK_FBIOSET_ENABLE:
if (copy_from_user(&enable, argp, sizeof(enable)))
return -EFAULT;
if (enable && fb_par->state)
fb_par->state++;
else
fb_par->state--;
dev_drv->ops->open(dev_drv, win_id, enable);
break;
case RK_FBIOGET_ENABLE:
enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
if (copy_to_user(argp, &enable, sizeof(enable)))
return -EFAULT;
break;
case RK_FBIOSET_OVERLAY_STA:
if (copy_from_user(&ovl, argp, sizeof(ovl)))
return -EFAULT;
dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
break;
case RK_FBIOGET_OVERLAY_STA:
ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
if (copy_to_user(argp, &ovl, sizeof(ovl)))
return -EFAULT;
break;
case RK_FBIOPUT_NUM_BUFFERS:
if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
return -EFAULT;
dev_drv->num_buf = num_buf;
break;
case RK_FBIOSET_VSYNC_ENABLE:
if (copy_from_user(&enable, argp, sizeof(enable)))
return -EFAULT;
dev_drv->vsync_info.active = enable;
break;
case RK_FBIOGET_DSP_ADDR:
dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
return -EFAULT;
break;
case RK_FBIOGET_LIST_STA:
list_stat = rk_fb_get_list_stat(dev_drv);
if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
return -EFAULT;
break;
case RK_FBIOGET_IOMMU_STA:
if (copy_to_user(argp, &dev_drv->iommu_enabled,
sizeof(dev_drv->iommu_enabled)))
return -EFAULT;
break;
#if defined(CONFIG_ION_ROCKCHIP)
case RK_FBIOSET_DMABUF_FD:
{
int usr_fd;
struct ion_handle *hdl;
ion_phys_addr_t phy_addr;
size_t len;
if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
return -EFAULT;
hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
fix->smem_start = phy_addr;
break;
}
case RK_FBIOGET_DMABUF_FD:
{
int fd = -1;
if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
dev_err(info->dev,
"get dma_buf fd failed,ion handle is err\n");
return PTR_ERR(fb_par->ion_hdl);
}
fd = ion_share_dma_buf_fd(rk_fb->ion_client,
fb_par->ion_hdl);
if (fd < 0) {
dev_err(info->dev,
"ion_share_dma_buf_fd failed\n");
return fd;
}
if (copy_to_user(argp, &fd, sizeof(fd)))
return -EFAULT;
break;
}
#endif
case RK_FBIOSET_CLEAR_FB:
memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
break;
case RK_FBIOSET_CONFIG_DONE:
{
int curr = 0;
struct timespec now;
getnstimeofday(&now);
curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
cfgdone_distlist[cfgdone_index++] =
curr - cfgdone_lasttime;
/*
printk("%d ", curr - cfgdone_lasttime);
*/
cfgdone_lasttime = curr;
if (cfgdone_index >= 10)
cfgdone_index = 0;
}
if (copy_from_user(&win_data,
(struct rk_fb_win_cfg_data __user *)argp,
sizeof(win_data))) {
ret = -EFAULT;
break;
};
dev_drv->wait_fs = win_data.wait_fs;
rk_fb_set_win_config(info, &win_data);
if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
&win_data, sizeof(win_data))) {
ret = -EFAULT;
break;
}
memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
if (dev_drv->uboot_logo)
dev_drv->uboot_logo = 0;
break;
default:
dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
break;
}
return 0;
}
static int rk_fb_blank(int blank_mode, struct fb_info *info)
{
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct fb_fix_screeninfo *fix = &info->fix;
int win_id;
#if defined(CONFIG_RK_HDMI)
struct rk_fb *rk_fb = dev_get_drvdata(info->device);
#endif
win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
if (win_id < 0)
return -ENODEV;
mutex_lock(&dev_drv->switch_screen);
#if defined(CONFIG_RK_HDMI)
if ((rk_fb->disp_mode == ONE_DUAL) &&
(hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
} else
#endif
{
dev_drv->ops->blank(dev_drv, win_id, blank_mode);
}
mutex_unlock(&dev_drv->switch_screen);
return 0;
}
static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
(0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
((16 != var->bits_per_pixel) &&
(32 != var->bits_per_pixel) &&
(24 != var->bits_per_pixel))) {
dev_err(info->dev, "%s check var fail 1:\n"
"xres_vir:%d>>yres_vir:%d\n"
"xres:%d>>yres:%d\n"
"bits_per_pixel:%d\n",
info->fix.id,
var->xres_virtual,
var->yres_virtual,
var->xres, var->yres, var->bits_per_pixel);
return -EINVAL;
}
if (((var->xoffset + var->xres) > var->xres_virtual) ||
((var->yoffset + var->yres) > (var->yres_virtual))) {
dev_err(info->dev, "%s check_var fail 2:\n"
"xoffset:%d>>xres:%d>>xres_vir:%d\n"
"yoffset:%d>>yres:%d>>yres_vir:%d\n",
info->fix.id,
var->xoffset,
var->xres,
var->xres_virtual,
var->yoffset, var->yres, var->yres_virtual);
return -EINVAL;
}
return 0;
}
static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
size_t count, loff_t *ppos)
{
unsigned long p = *ppos;
u8 *buffer, *dst;
u8 __iomem *src;
int c, cnt = 0, err = 0;
unsigned long total_size;
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct rk_lcdc_win *win = NULL;
int win_id = 0;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
if (win_id < 0)
return -ENODEV;
else
win = dev_drv->win[win_id];
/* only read the current frame buffer */
if (win->area[0].format == RGB565) {
total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
} else if ((win->area[0].format == YUV420) ||
(win->area[0].format == YUV420_NV21)) {
total_size =
(win->area[0].y_vir_stride * win->area[0].yact * 6);
} else {
total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
}
if (p >= total_size)
return 0;
if (count >= total_size)
count = total_size;
if (count + p > total_size)
count = total_size - p;
buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
while (count) {
c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
dst = buffer;
fb_memcpy_fromfb(dst, src, c);
dst += c;
src += c;
if (copy_to_user(buf, buffer, c)) {
err = -EFAULT;
break;
}
*ppos += c;
buf += c;
cnt += c;
count -= c;
}
kfree(buffer);
return (err) ? err : cnt;
}
static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos)
{
unsigned long p = *ppos;
u8 *buffer, *src;
u8 __iomem *dst;
int c, cnt = 0, err = 0;
unsigned long total_size;
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct rk_lcdc_win *win = NULL;
int win_id = 0;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
if (win_id < 0)
return -ENODEV;
else
win = dev_drv->win[win_id];
/* write the current frame buffer */
if (win->area[0].format == RGB565)
total_size = win->area[0].xact * win->area[0].yact << 1;
else
total_size = win->area[0].xact * win->area[0].yact << 2;
if (p > total_size)
return -EFBIG;
if (count > total_size) {
err = -EFBIG;
count = total_size;
}
if (count + p > total_size) {
if (!err)
err = -ENOSPC;
count = total_size - p;
}
buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
while (count) {
c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
src = buffer;
if (copy_from_user(src, buf, c)) {
err = -EFAULT;
break;
}
fb_memcpy_tofb(dst, src, c);
dst += c;
src += c;
*ppos += c;
buf += c;
cnt += c;
count -= c;
}
kfree(buffer);
return (cnt) ? cnt : err;
}
static int rk_fb_set_par(struct fb_info *info)
{
struct fb_var_screeninfo *var = &info->var;
struct fb_fix_screeninfo *fix = &info->fix;
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct rk_lcdc_win *win = NULL;
struct rk_screen *screen = dev_drv->cur_screen;
int win_id = 0;
u32 cblen = 0, crlen = 0;
u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
u32 xoffset = var->xoffset; /* offset from virtual to visible */
u32 yoffset = var->yoffset;
u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
u16 ypos = (var->nonstd >> 20) & 0xfff;
u32 xvir = var->xres_virtual;
u32 yvir = var->yres_virtual;
u8 data_format = var->nonstd & 0xff;
u8 fb_data_fmt;
u8 pixel_width;
u32 vir_width_bit;
u32 stride, uv_stride;
u32 stride_32bit_1;
u32 stride_32bit_2;
u16 uv_x_off, uv_y_off, uv_y_act;
u8 is_pic_yuv = 0;
/*var->pixclock = dev_drv->pixclock;*/
if (dev_drv->suspend_flag)
return 0;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
if (win_id < 0)
return -ENODEV;
else
win = dev_drv->win[win_id];
/* if the application has specific the horizontal and vertical display size */
if (var->grayscale >> 8) {
xsize = (var->grayscale >> 8) & 0xfff;
ysize = (var->grayscale >> 20) & 0xfff;
if (xsize > screen->mode.xres)
xsize = screen->mode.xres;
if (ysize > screen->mode.yres)
ysize = screen->mode.yres;
} else { /*ohterwise full screen display */
xsize = screen->mode.xres;
ysize = screen->mode.yres;
}
fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
if (fb_data_fmt >= FBDC_RGB_565) {
win->area[0].fbdc_en = 1;
win->area[0].fbdc_cor_en = 1;
} else {
win->area[0].fbdc_en = 0;
win->area[0].fbdc_cor_en = 0;
}
pixel_width = rk_fb_pixel_width(fb_data_fmt);
vir_width_bit = pixel_width * xvir;
/* pixel_width = byte_num * 8 */
stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
switch (fb_data_fmt) {
case YUV422:
case YUV422_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_1 >> 1;
uv_x_off = xoffset >> 1;
uv_y_off = yoffset;
fix->line_length = stride;
cblen = crlen = (xvir * yvir) >> 1;
uv_y_act = win->area[0].yact >> 1;
break;
case YUV420: /* nv12 */
case YUV420_NV21: /* nv21 */
case YUV420_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_1;
uv_x_off = xoffset;
uv_y_off = yoffset >> 1;
fix->line_length = stride;
cblen = crlen = (xvir * yvir) >> 2;
uv_y_act = win->area[0].yact >> 1;
break;
case YUV444:
case YUV444_A:
is_pic_yuv = 1;
stride = stride_32bit_1;
uv_stride = stride_32bit_2;
uv_x_off = xoffset * 2;
uv_y_off = yoffset;
fix->line_length = stride << 2;
cblen = crlen = (xvir * yvir);
uv_y_act = win->area[0].yact;
break;
default:
stride = stride_32bit_1; /* default rgb */
fix->line_length = stride;
break;
}
win->area[0].format = fb_data_fmt;
win->area[0].y_vir_stride = stride >> 2;
win->area[0].uv_vir_stride = uv_stride >> 2;
win->area[0].xpos = xpos;
win->area[0].ypos = ypos;
win->area[0].xsize = xsize;
win->area[0].ysize = ysize;
win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
win->area[0].yact = var->yres;
win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
win->area[0].yvir = var->yres_virtual;
win->area[0].xoff = xoffset;
win->area[0].yoff = yoffset;
win->area_num = 1;
win->alpha_mode = 4; /* AB_SRC_OVER; */
win->alpha_en = ((win->area[0].format == ARGB888) ||
(win->area[0].format == FBDC_ARGB_888) ||
(win->area[0].format == FBDC_ABGR_888) ||
(win->area[0].format == ABGR888)) ? 1 : 0;
win->g_alpha_val = 0;
dev_drv->ops->set_par(dev_drv, win_id);
return 0;
}
static inline unsigned int chan_to_field(unsigned int chan,
struct fb_bitfield *bf)
{
chan &= 0xffff;
chan >>= 16 - bf->length;
return chan << bf->offset;
}
static int fb_setcolreg(unsigned regno,
unsigned red, unsigned green, unsigned blue,
unsigned transp, struct fb_info *info)
{
unsigned int val;
switch (info->fix.visual) {
case FB_VISUAL_TRUECOLOR:
/* true-colour, use pseudo-palette */
if (regno < 16) {
u32 *pal = info->pseudo_palette;
val = chan_to_field(red, &info->var.red);
val |= chan_to_field(green, &info->var.green);
val |= chan_to_field(blue, &info->var.blue);
pal[regno] = val;
}
break;
default:
return -1; /* unknown type */
}
return 0;
}
static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
{
struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
struct ion_handle *handle = fb_par->ion_hdl;
struct dma_buf *dma_buf = NULL;
if (IS_ERR_OR_NULL(handle)) {
dev_err(info->dev, "failed to get ion handle:%ld\n",
PTR_ERR(handle));
return -ENOMEM;
}
dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
if (IS_ERR_OR_NULL(dma_buf)) {
printk("get ion share dma buf failed\n");
return -ENOMEM;
}
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
return dma_buf_mmap(dma_buf, vma, 0);
}
static struct fb_ops fb_ops = {
.owner = THIS_MODULE,
.fb_open = rk_fb_open,
.fb_release = rk_fb_close,
.fb_check_var = rk_fb_check_var,
.fb_set_par = rk_fb_set_par,
.fb_blank = rk_fb_blank,
.fb_ioctl = rk_fb_ioctl,
.fb_compat_ioctl = rk_fb_ioctl,
.fb_pan_display = rk_fb_pan_display,
.fb_read = rk_fb_read,
.fb_write = rk_fb_write,
.fb_setcolreg = fb_setcolreg,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
};
static struct fb_var_screeninfo def_var = {
#if defined(CONFIG_LOGO_LINUX_BMP)
.red = {16, 8, 0},
.green = {8, 8, 0},
.blue = {0, 8, 0},
.transp = {0, 0, 0},
.nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
#else
.red = {11, 5, 0},
.green = {5, 6, 0},
.blue = {0, 5, 0},
.transp = {0, 0, 0},
.nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
#endif
.grayscale = 0, /* (ysize<<20+xsize<<8) */
.activate = FB_ACTIVATE_NOW,
.accel_flags = 0,
.vmode = FB_VMODE_NONINTERLACED,
};
static struct fb_fix_screeninfo def_fix = {
.type = FB_TYPE_PACKED_PIXELS,
.type_aux = 0,
.xpanstep = 1,
.ypanstep = 1,
.ywrapstep = 0,
.accel = FB_ACCEL_NONE,
.visual = FB_VISUAL_TRUECOLOR,
};
static int rk_fb_wait_for_vsync_thread(void *data)
{
struct rk_lcdc_driver *dev_drv = data;
struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
while (!kthread_should_stop()) {
ktime_t timestamp = dev_drv->vsync_info.timestamp;
int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
!ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
(dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
if (!ret)
sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
}
return 0;
}
static ssize_t rk_fb_vsync_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fb_info *fbi = dev_get_drvdata(dev);
struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
return scnprintf(buf, PAGE_SIZE, "%llu\n",
ktime_to_ns(dev_drv->vsync_info.timestamp));
}
static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
/*
* this two function is for other module that in the kernel which
* need show image directly through fb
* fb_id:we have 4 fb here,default we use fb0 for ui display
*/
struct fb_info *rk_get_fb(int fb_id)
{
struct rk_fb *inf = platform_get_drvdata(fb_pdev);
struct fb_info *fb = inf->fb[fb_id];
return fb;
}
EXPORT_SYMBOL(rk_get_fb);
void rk_direct_fb_show(struct fb_info *fbi)
{
rk_fb_set_par(fbi);
rk_fb_pan_display(&fbi->var, fbi);
}
EXPORT_SYMBOL(rk_direct_fb_show);
int rk_fb_dpi_open(bool open)
{
struct rk_lcdc_driver *dev_drv = NULL;
dev_drv = rk_get_prmry_lcdc_drv();
if (dev_drv->ops->dpi_open)
dev_drv->ops->dpi_open(dev_drv, open);
return 0;
}
int rk_fb_dpi_win_sel(int win_id)
{
struct rk_lcdc_driver *dev_drv = NULL;
dev_drv = rk_get_prmry_lcdc_drv();
if (dev_drv->ops->dpi_win_sel)
dev_drv->ops->dpi_win_sel(dev_drv, win_id);
return 0;
}
int rk_fb_dpi_status(void)
{
int ret = 0;
struct rk_lcdc_driver *dev_drv = NULL;
dev_drv = rk_get_prmry_lcdc_drv();
if (dev_drv->ops->dpi_status)
ret = dev_drv->ops->dpi_status(dev_drv);
return ret;
}
/*
* function: this function will be called by display device, enable/disable lcdc
* @screen: screen timing to be set to lcdc
* @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
* @lcdc_id: the lcdc id the display device attached ,0 or 1
*/
int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
{
struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
struct fb_info *info = NULL;
struct rk_fb_par *fb_par = NULL;
struct rk_lcdc_driver *dev_drv = NULL;
struct rk_lcdc_win *win;
char name[6] = {0};
int i, win_id;
static bool load_screen = false;
char *envp[4];
char envplcdc[32];
char envpfbdev[32];
int ret, list_is_empty = 0;
if (unlikely(!rk_fb) || unlikely(!screen))
return -ENODEV;
/* get lcdc driver */
sprintf(name, "lcdc%d", lcdc_id);
dev_drv = rk_get_lcdc_drv(name);
if (dev_drv == NULL) {
printk(KERN_ERR "%s driver not found!", name);
return -ENODEV;
}
if (screen->type == SCREEN_HDMI)
printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
dev_drv->id);
else if (screen->type == SCREEN_TVOUT ||
screen->type == SCREEN_TVOUT_TEST )
printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
dev_drv->id);
if (enable == 2 /*&& dev_drv->enable*/)
return 0;
pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
mutex_lock(&dev_drv->switch_screen);
hdmi_switch_state = 0;
dev_drv->hdmi_switch = 1;
if (!dev_drv->uboot_logo) {
mdelay(200);
list_is_empty = list_empty(&dev_drv->update_regs_list) &&
list_empty(&dev_drv->saved_list);
if (!list_is_empty) {
ret = wait_event_timeout(dev_drv->update_regs_wait,
list_empty(&dev_drv->update_regs_list) &&
list_empty(&dev_drv->saved_list),
msecs_to_jiffies(60));
if (ret <= 0)
pr_info("%s: wait update_regs_wait timeout\n",
__func__);
}
}
envp[0] = "switch screen";
memset(envplcdc, 0, sizeof(envplcdc));
memset(envpfbdev, 0, sizeof(envpfbdev));
sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
envp[1] = envplcdc;
envp[2] = envpfbdev;
envp[3] = NULL;
if ((rk_fb->disp_mode == ONE_DUAL) ||
(rk_fb->disp_mode == NO_DUAL)) {
if ((dev_drv->ops->backlight_close) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
dev_drv->ops->backlight_close(dev_drv, 1);
if (!dev_drv->uboot_logo || load_screen ||
((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
if (dev_drv->ops->dsp_black)
dev_drv->ops->dsp_black(dev_drv, 0);
}
if ((dev_drv->ops->set_screen_scaler) &&
(rk_fb->disp_mode == ONE_DUAL))
dev_drv->ops->set_screen_scaler(dev_drv,
dev_drv->screen0, 0);
}
if (!enable) {
/* if screen type is different, we do not disable lcdc. */
if (dev_drv->cur_screen->type != screen->type) {
dev_drv->hdmi_switch = 0;
mutex_unlock(&dev_drv->switch_screen);
return 0;
}
/* if used one lcdc to dual disp, no need to close win */
if ((rk_fb->disp_mode == ONE_DUAL) ||
((rk_fb->disp_mode == NO_DUAL) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
dev_drv->cur_screen = dev_drv->screen0;
dev_drv->ops->load_screen(dev_drv, 1);
/* force modify dsp size */
info = rk_fb->fb[dev_drv->fb_index_base];
info->var.grayscale &= 0xff;
info->var.grayscale |=
(dev_drv->cur_screen->mode.xres << 8) +
(dev_drv->cur_screen->mode.yres << 20);
mutex_lock(&dev_drv->win_config);
info->var.xoffset = 0;
info->var.yoffset = 0;
info->fbops->fb_set_par(info);
info->fbops->fb_pan_display(&info->var, info);
mutex_unlock(&dev_drv->win_config);
/*
* if currently is loader display, black until new
* display job.
*/
if (dev_drv->uboot_logo) {
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
if (dev_drv->win[i] && dev_drv->win[i]->state &&
dev_drv->ops->win_direct_en)
dev_drv->ops->win_direct_en(dev_drv, i, 0);
}
}
/*if (dev_drv->ops->dsp_black)
dev_drv->ops->dsp_black(dev_drv, 0);*/
if ((dev_drv->ops->backlight_close) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
dev_drv->ops->backlight_close(dev_drv, 0);
} else if (rk_fb->num_lcdc > 1) {
/* If there is more than one lcdc device, we disable
the layer which attached to this device */
dev_drv->suspend_flag = 1;
flush_kthread_worker(&dev_drv->update_regs_worker);
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
if (dev_drv->win[i] && dev_drv->win[i]->state)
dev_drv->ops->open(dev_drv, i, 0);
}
}
kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
hdmi_switch_state = 0;
dev_drv->hdmi_switch = 0;
mutex_unlock(&dev_drv->switch_screen);
return 0;
} else {
if (dev_drv->uboot_logo) {
if (dev_drv->cur_screen->mode.xres !=
screen->mode.xres ||
dev_drv->cur_screen->mode.yres !=
screen->mode.yres)
load_screen = 1;
}
if (dev_drv->screen1)
dev_drv->cur_screen = dev_drv->screen1;
memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
}
if (!dev_drv->uboot_logo || load_screen ||
((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
info = rk_fb->fb[dev_drv->fb_index_base + i];
fb_par = (struct rk_fb_par *)info->par;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
win = dev_drv->win[win_id];
if (win && fb_par->state) {
mutex_lock(&dev_drv->win_config);
dev_drv->ops->load_screen(dev_drv, 1);
mutex_unlock(&dev_drv->win_config);
info->var.activate |= FB_ACTIVATE_FORCE;
if (rk_fb->disp_mode == ONE_DUAL) {
info->var.grayscale &= 0xff;
info->var.grayscale |=
(dev_drv->cur_screen->xsize << 8) +
(dev_drv->cur_screen->ysize << 20);
}
if (dev_drv->uboot_logo && win->state) {
if (win->area[0].xpos ||
win->area[0].ypos) {
win->area[0].xpos =
(screen->mode.xres -
win->area[0].xsize)/2;
win->area[0].ypos =
(screen->mode.yres -
win->area[0].ysize)/2;
} else {
win->area[0].xsize = screen->mode.xres;
win->area[0].ysize = screen->mode.yres;
}
dev_drv->ops->set_par(dev_drv, i);
dev_drv->ops->cfg_done(dev_drv);
} else if (!dev_drv->win[win_id]->state) {
dev_drv->ops->open(dev_drv, win_id, 1);
dev_drv->suspend_flag = 0;
mutex_lock(&dev_drv->win_config);
info->var.xoffset = 0;
info->var.yoffset = 0;
info->fbops->fb_set_par(info);
info->fbops->fb_pan_display(&info->var, info);
mutex_unlock(&dev_drv->win_config);
}
}
}
} else {
dev_drv->ops->load_screen(dev_drv, 0);
}
kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
hdmi_switch_state = 1;
load_screen = true;
dev_drv->hdmi_switch = 0;
if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
if ((dev_drv->ops->set_screen_scaler) &&
(rk_fb->disp_mode == ONE_DUAL))
dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
/*if (dev_drv->ops->dsp_black)
dev_drv->ops->dsp_black(dev_drv, 0);*/
if ((dev_drv->ops->backlight_close) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
(rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
(rk_fb->disp_mode == ONE_DUAL))
dev_drv->ops->backlight_close(dev_drv, 0);
}
mutex_unlock(&dev_drv->switch_screen);
return 0;
}
/*
* function:this function current only called by hdmi for
* scale the display
* scale_x: scale rate of x resolution
* scale_y: scale rate of y resolution
* lcdc_id: the lcdc id the hdmi attached ,0 or 1
*/
int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
{
struct rk_fb *inf = platform_get_drvdata(fb_pdev);
struct fb_info *info = NULL;
struct fb_info *pmy_info = NULL;
struct fb_var_screeninfo *var = NULL;
struct rk_lcdc_driver *dev_drv = NULL;
u16 screen_x, screen_y;
u16 xpos, ypos;
char name[6];
struct rk_screen primary_screen;
rk_fb_get_prmry_screen(&primary_screen);
if (primary_screen.type == SCREEN_HDMI) {
return 0;
}
pr_err("fuck not be hear--%s\n",__func__);
return 0;
sprintf(name, "lcdc%d", lcdc_id);
if (inf->disp_mode == DUAL) {
dev_drv = rk_get_lcdc_drv(name);
if (dev_drv == NULL) {
printk(KERN_ERR "%s driver not found!", name);
return -ENODEV;
}
} else {
dev_drv = inf->lcdc_dev_drv[0];
}
if (inf->num_lcdc == 1) {
info = inf->fb[0];
} else if (inf->num_lcdc == 2) {
info = inf->fb[dev_drv->lcdc_win_num];
pmy_info = inf->fb[0];
}
var = &info->var;
screen_x = dev_drv->cur_screen->mode.xres;
screen_y = dev_drv->cur_screen->mode.yres;
if (inf->disp_mode != DUAL && dev_drv->screen1) {
dev_drv->cur_screen->xpos =
(screen_x - screen_x * scale_x / 100) >> 1;
dev_drv->cur_screen->ypos =
(screen_y - screen_y * scale_y / 100) >> 1;
dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
} else {
xpos = (screen_x - screen_x * scale_x / 100) >> 1;
ypos = (screen_y - screen_y * scale_y / 100) >> 1;
dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
if (inf->disp_mode == ONE_DUAL) {
var->nonstd &= 0xff;
var->nonstd |= (xpos << 8) + (ypos << 20);
var->grayscale &= 0xff;
var->grayscale |=
(dev_drv->cur_screen->xsize << 8) +
(dev_drv->cur_screen->ysize << 20);
}
}
mutex_lock(&dev_drv->win_config);
info->fbops->fb_set_par(info);
dev_drv->ops->cfg_done(dev_drv);
mutex_unlock(&dev_drv->win_config);
return 0;
}
#if defined(CONFIG_ION_ROCKCHIP)
static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
struct rk_lcdc_win *win,
unsigned long fb_mem_size)
{
struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct ion_handle *handle;
ion_phys_addr_t phy_addr;
size_t len;
int ret = 0;
if (dev_drv->iommu_enabled)
handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
else
handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
ION_HEAP(ION_CMA_HEAP_ID), 0);
if (IS_ERR(handle)) {
dev_err(fbi->device, "failed to ion_alloc:%ld\n",
PTR_ERR(handle));
return -ENOMEM;
}
fb_par->ion_hdl = handle;
win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
printk("ion_share_dma_buf() failed\n");
goto err_share_dma_buf;
}
win->area[0].ion_hdl = handle;
if (dev_drv->prop == PRMRY)
fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
#ifdef CONFIG_ROCKCHIP_IOMMU
if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
(unsigned long *)&phy_addr,
(unsigned long *)&len);
else
ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
#else
ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
#endif
if (ret < 0) {
dev_err(fbi->dev, "ion map to get phy addr failed\n");
goto err_share_dma_buf;
}
fbi->fix.smem_start = phy_addr;
fbi->fix.smem_len = len;
printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
return 0;
err_share_dma_buf:
ion_free(rk_fb->ion_client, handle);
return -ENOMEM;
}
#endif
static int rk_fb_alloc_buffer(struct fb_info *fbi)
{
struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
struct rk_lcdc_win *win = NULL;
int win_id;
int ret = 0;
unsigned long fb_mem_size;
#if !defined(CONFIG_ION_ROCKCHIP)
dma_addr_t fb_mem_phys;
void *fb_mem_virt;
#endif
ion_phys_addr_t phy_addr;
size_t len;
win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
if (win_id < 0)
return -ENODEV;
else
win = dev_drv->win[win_id];
if (!strcmp(fbi->fix.id, "fb0")) {
fb_mem_size = get_fb_size(dev_drv->reserved_fb);
#if defined(CONFIG_ION_ROCKCHIP)
if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
return -ENOMEM;
#else
fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
&fb_mem_phys, GFP_KERNEL);
if (!fb_mem_virt) {
pr_err("%s: Failed to allocate framebuffer\n",
__func__);
return -ENOMEM;
}
fbi->fix.smem_len = fb_mem_size;
fbi->fix.smem_start = fb_mem_phys;
fbi->screen_base = fb_mem_virt;
#endif
memset(fbi->screen_base, 0, fbi->fix.smem_len);
} else {
if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
struct rk_lcdc_driver *dev_drv_prmry;
int win_id_prmry;
fb_mem_size = get_fb_size(dev_drv->reserved_fb);
#if defined(CONFIG_ION_ROCKCHIP)
dev_drv_prmry = rk_get_prmry_lcdc_drv();
if (dev_drv_prmry == NULL)
return -ENODEV;
win_id_prmry =
dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
fbi->fix.id);
if (win_id_prmry < 0)
return -ENODEV;
else
fb_par->ion_hdl =
dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
fbi->screen_base =
ion_map_kernel(rk_fb->ion_client,
fb_par->ion_hdl);
dev_drv->win[win_id]->area[0].ion_hdl =
fb_par->ion_hdl;
#ifdef CONFIG_ROCKCHIP_IOMMU
if (dev_drv->mmu_dev)
ret = ion_map_iommu(dev_drv->dev,
rk_fb->ion_client,
fb_par->ion_hdl,
(unsigned long *)&phy_addr,
(unsigned long *)&len);
else
ret = ion_phys(rk_fb->ion_client,
fb_par->ion_hdl,
&phy_addr, &len);
#endif
if (ret < 0) {
dev_err(fbi->dev, "ion map to get phy addr failed\n");
return -ENOMEM;
}
fbi->fix.smem_start = phy_addr;
fbi->fix.smem_len = len;
#else
fb_mem_virt = dma_alloc_writecombine(fbi->dev,
fb_mem_size,
&fb_mem_phys,
GFP_KERNEL);
if (!fb_mem_virt) {
pr_err("%s: Failed to allocate framebuffer\n",
__func__);
return -ENOMEM;
}
fbi->fix.smem_len = fb_mem_size;
fbi->fix.smem_start = fb_mem_phys;
fbi->screen_base = fb_mem_virt;
#endif
} else {
fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
fbi->screen_base = rk_fb->fb[0]->screen_base;
}
}
fbi->screen_size = fbi->fix.smem_len;
fb_par->fb_phy_base = fbi->fix.smem_start;
fb_par->fb_virt_base = fbi->screen_base;
fb_par->fb_size = fbi->fix.smem_len;
pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
fbi->fix.smem_start, fbi->screen_base,
fbi->fix.smem_len);
return ret;
}
#if 0
static int rk_release_fb_buffer(struct fb_info *fbi)
{
/* buffer for fb1 and fb3 are alloc by android */
if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
return 0;
iounmap(fbi->screen_base);
release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
return 0;
}
#endif
static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
struct rk_lcdc_win *def_win)
{
int i;
int lcdc_win_num = dev_drv->lcdc_win_num;
for (i = 0; i < lcdc_win_num; i++) {
struct rk_lcdc_win *win = NULL;
win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
if (!win) {
dev_err(dev_drv->dev, "kzmalloc for win fail!");
return -ENOMEM;
}
strcpy(win->name, def_win[i].name);
win->id = def_win[i].id;
win->support_3d = def_win[i].support_3d;
dev_drv->win[i] = win;
}
return 0;
}
static int init_lcdc_device_driver(struct rk_fb *rk_fb,
struct rk_lcdc_win *def_win, int index)
{
struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
sizeof(struct rk_screen),
GFP_KERNEL);
int i = 0;
if (!screen) {
dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
dev_drv->id);
return -ENOMEM;
}
screen->screen_id = 0;
screen->lcdc_id = dev_drv->id;
screen->overscan.left = 100;
screen->overscan.top = 100;
screen->overscan.right = 100;
screen->overscan.bottom = 100;
screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
dev_drv->screen0 = screen;
dev_drv->cur_screen = screen;
/* devie use one lcdc + rk61x scaler for dual display */
if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
struct rk_screen *screen1 =
devm_kzalloc(dev_drv->dev,
sizeof(struct rk_screen),
GFP_KERNEL);
if (!screen1) {
dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
dev_drv->id);
return -ENOMEM;
}
screen1->screen_id = 1;
screen1->lcdc_id = 1;
dev_drv->screen1 = screen1;
}
sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
init_lcdc_win(dev_drv, def_win);
init_completion(&dev_drv->frame_done);
spin_lock_init(&dev_drv->cpl_lock);
mutex_init(&dev_drv->fb_win_id_mutex);
mutex_init(&dev_drv->win_config);
mutex_init(&dev_drv->front_lock);
mutex_init(&dev_drv->switch_screen);
dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
dev_drv->first_frame = 1;
dev_drv->overscan.left = 100;
dev_drv->overscan.top = 100;
dev_drv->overscan.right = 100;
dev_drv->overscan.bottom = 100;
for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
dev_drv->area_support[i] = 1;
if (dev_drv->ops->area_support_num)
dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
rk_disp_pwr_ctr_parse_dt(dev_drv);
if (dev_drv->prop == PRMRY) {
rk_fb_set_prmry_screen(screen);
rk_fb_get_prmry_screen(screen);
}
dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
if (dev_drv->prop != PRMRY)
rk_fb_get_prmry_screen(screen);
dev_drv->output_color = screen->color_mode;
return 0;
}
#ifdef CONFIG_LOGO_LINUX_BMP
static struct linux_logo *bmp_logo;
static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
{
bmp_logo = fb_find_logo(24);
if (bmp_logo == NULL) {
printk(KERN_INFO "%s error\n", __func__);
return 0;
}
return 1;
}
static void fb_show_bmp_logo(struct fb_info *info, int rotate)
{
unsigned char *src = bmp_logo->data;
unsigned char *dst = info->screen_base;
int i;
unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
for (i = 0; i < Needheight; i++)
memcpy(dst + info->var.xres * i * 4,
src + bmp_logo->width * i * 4, Needwidth * 4);
}
#endif
/*
* check if the primary lcdc has registerd,
* the primary lcdc mas register first
*/
bool is_prmry_rk_lcdc_registered(void)
{
struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
if (rk_fb->lcdc_dev_drv[0])
return true;
else
return false;
}
int rk_fb_register(struct rk_lcdc_driver *dev_drv,
struct rk_lcdc_win *win, int id)
{
struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
struct fb_info *fbi;
struct rk_fb_par *fb_par = NULL;
int i = 0, ret = 0, index = 0;
unsigned long flags;
if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
return -ENXIO;
for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
if (!rk_fb->lcdc_dev_drv[i]) {
rk_fb->lcdc_dev_drv[i] = dev_drv;
rk_fb->lcdc_dev_drv[i]->id = id;
rk_fb->num_lcdc++;
break;
}
}
index = i;
init_lcdc_device_driver(rk_fb, win, index);
dev_drv->fb_index_base = rk_fb->num_fb;
for (i = 0; i < dev_drv->lcdc_win_num; i++) {
fbi = framebuffer_alloc(0, &fb_pdev->dev);
if (!fbi) {
dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
ret = -ENOMEM;
}
fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
GFP_KERNEL);
if (!fb_par) {
dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
rk_fb->num_fb);
return -ENOMEM;
}
fb_par->id = rk_fb->num_fb;
fb_par->lcdc_drv = dev_drv;
fbi->par = (void *)fb_par;
fbi->var = def_var;
fbi->fix = def_fix;
sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
fbi->var.grayscale |=
(fbi->var.xres << 8) + (fbi->var.yres << 20);
#if defined(CONFIG_LOGO_LINUX_BMP)
fbi->var.bits_per_pixel = 32;
#else
fbi->var.bits_per_pixel = 16;
#endif
fbi->fix.line_length =
(fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
fbi->var.width = dev_drv->cur_screen->width;
fbi->var.height = dev_drv->cur_screen->height;
if (dev_drv->iommu_enabled)
fb_ops.fb_mmap = rk_fb_mmap;
fbi->fbops = &fb_ops;
fbi->flags = FBINFO_FLAG_DEFAULT;
fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
ret = register_framebuffer(fbi);
if (ret < 0) {
dev_err(&fb_pdev->dev,
"%s fb%d register_framebuffer fail!\n",
__func__, rk_fb->num_fb);
return ret;
}
rkfb_create_sysfs(fbi);
rk_fb->fb[rk_fb->num_fb] = fbi;
dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
fbi->fix.id);
rk_fb->num_fb++;
if (i == 0) {
init_waitqueue_head(&dev_drv->vsync_info.wait);
init_waitqueue_head(&dev_drv->update_regs_wait);
ret = device_create_file(fbi->dev, &dev_attr_vsync);
if (ret)
dev_err(fbi->dev,
"failed to create vsync file\n");
dev_drv->vsync_info.thread =
kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
"fb-vsync");
if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
dev_err(fbi->dev,
"failed to run vsync thread\n");
dev_drv->vsync_info.thread = NULL;
}
dev_drv->vsync_info.active = 1;
mutex_init(&dev_drv->output_lock);
INIT_LIST_HEAD(&dev_drv->update_regs_list);
mutex_init(&dev_drv->update_regs_list_lock);
init_kthread_worker(&dev_drv->update_regs_worker);
dev_drv->update_regs_thread =
kthread_run(kthread_worker_fn,
&dev_drv->update_regs_worker, "rk-fb");
if (IS_ERR(dev_drv->update_regs_thread)) {
int err = PTR_ERR(dev_drv->update_regs_thread);
dev_drv->update_regs_thread = NULL;
printk("failed to run update_regs thread\n");
return err;
}
init_kthread_work(&dev_drv->update_regs_work,
rk_fb_update_regs_handler);
dev_drv->timeline =
sw_sync_timeline_create("fb-timeline");
dev_drv->timeline_max = 1;
}
}
/* show logo for primary display device */
#if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
if (dev_drv->prop == PRMRY) {
u16 xact, yact;
int format;
u32 dsp_addr;
struct fb_info *main_fbi = rk_fb->fb[0];
main_fbi->fbops->fb_open(main_fbi, 1);
main_fbi->var.pixclock = dev_drv->pixclock;
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (dev_drv->iommu_enabled) {
if (dev_drv->mmu_dev)
rockchip_iovmm_set_fault_handler(dev_drv->dev,
rk_fb_sysmmu_fault_handler);
}
#endif
rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
dev_drv->uboot_logo = support_uboot_display();
if (dev_drv->uboot_logo &&
uboot_logo_offset && uboot_logo_base) {
int width, height, bits;
phys_addr_t start = uboot_logo_base + uboot_logo_offset;
unsigned int size = uboot_logo_size - uboot_logo_offset;
unsigned int nr_pages;
struct page **pages;
char *vaddr;
int i = 0;
if (dev_drv->ops->get_dspbuf_info)
dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
&yact, &format, &dsp_addr);
nr_pages = size >> PAGE_SHIFT;
pages = kzalloc(sizeof(struct page) * nr_pages,
GFP_KERNEL);
while (i < nr_pages) {
pages[i] = phys_to_page(start);
start += PAGE_SIZE;
i++;
}
vaddr = vmap(pages, nr_pages, VM_MAP,
pgprot_writecombine(PAGE_KERNEL));
if (!vaddr) {
pr_err("failed to vmap phy addr 0x%lx\n",
(long)(uboot_logo_base +
uboot_logo_offset));
return -1;
}
if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
&height, &bits)) {
kfree(pages);
vunmap(vaddr);
return 0;
}
kfree(pages);
vunmap(vaddr);
if (dev_drv->uboot_logo &&
(width != xact || height != yact)) {
pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
xact, yact, width, height);
return 0;
}
local_irq_save(flags);
if (dev_drv->ops->wait_frame_start)
dev_drv->ops->wait_frame_start(dev_drv, 0);
if (dev_drv->ops->post_dspbuf) {
dev_drv->ops->post_dspbuf(dev_drv,
main_fbi->fix.smem_start,
rk_fb_data_fmt(0, bits),
width, height, width * bits >> 5);
}
if (dev_drv->iommu_enabled) {
rk_fb_poll_wait_frame_complete();
if (dev_drv->ops->mmu_en)
dev_drv->ops->mmu_en(dev_drv);
freed_index = 0;
}
local_irq_restore(flags);
return 0;
} else if (dev_drv->uboot_logo && uboot_logo_base) {
u32 start = uboot_logo_base;
u32 start_base = start;
int logo_len, i=0;
unsigned int nr_pages;
struct page **pages;
char *vaddr;
dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
&yact, &format,
&start);
logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
if (logo_len > uboot_logo_size ||
logo_len > main_fbi->fix.smem_len) {
pr_err("logo size > uboot reserve buffer size\n");
return -1;
}
nr_pages = uboot_logo_size >> PAGE_SHIFT;
pages = kzalloc(sizeof(struct page) * nr_pages,
GFP_KERNEL);
while (i < nr_pages) {
pages[i] = phys_to_page(start);
start += PAGE_SIZE;
i++;
}
vaddr = vmap(pages, nr_pages, VM_MAP,
pgprot_writecombine(PAGE_KERNEL));
if (!vaddr) {
pr_err("failed to vmap phy addr 0x%x\n",
start_base);
return -1;
}
memcpy(main_fbi->screen_base, vaddr, logo_len);
kfree(pages);
vunmap(vaddr);
local_irq_save(flags);
if (dev_drv->ops->wait_frame_start)
dev_drv->ops->wait_frame_start(dev_drv, 0);
dev_drv->ops->post_dspbuf(dev_drv,
main_fbi->fix.smem_start,
format, xact, yact,
xact * rk_fb_pixel_width(format) >> 5);
if (dev_drv->iommu_enabled) {
rk_fb_poll_wait_frame_complete();
if (dev_drv->ops->mmu_en)
dev_drv->ops->mmu_en(dev_drv);
freed_index = 0;
}
local_irq_restore(flags);
return 0;
} else {
if (dev_drv->iommu_enabled) {
if (dev_drv->ops->mmu_en)
dev_drv->ops->mmu_en(dev_drv);
freed_index = 0;
}
}
#if defined(CONFIG_LOGO)
main_fbi->fbops->fb_set_par(main_fbi);
#if defined(CONFIG_LOGO_LINUX_BMP)
if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
fb_set_cmap(&main_fbi->cmap, main_fbi);
fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
}
#else
if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
fb_set_cmap(&main_fbi->cmap, main_fbi);
fb_show_logo(main_fbi, FB_ROTATE_UR);
}
#endif
main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
#endif
} else {
struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
if(DISPLAY_POLICY_SDK != rk_fb->disp_policy){
extend_fbi->fbops->fb_open(extend_fbi, 1);
}
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (dev_drv->iommu_enabled) {
if (dev_drv->mmu_dev)
rockchip_iovmm_set_fault_handler(dev_drv->dev,
rk_fb_sysmmu_fault_handler);
}
#endif
rk_fb_alloc_buffer(extend_fbi);
}
#endif
return 0;
}
int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
{
struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
struct fb_info *fbi;
int fb_index_base = dev_drv->fb_index_base;
int fb_num = dev_drv->lcdc_win_num;
int i = 0;
if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
}
for (i = 0; i < fb_num; i++)
kfree(dev_drv->win[i]);
for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
fbi = fb_inf->fb[i];
unregister_framebuffer(fbi);
/* rk_release_fb_buffer(fbi); */
framebuffer_release(fbi);
}
fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
fb_inf->num_lcdc--;
return 0;
}
static int rk_fb_probe(struct platform_device *pdev)
{
struct rk_fb *rk_fb = NULL;
struct device_node *np = pdev->dev.of_node;
u32 mode;
if (!np) {
dev_err(&pdev->dev, "Missing device tree node.\n");
return -EINVAL;
}
rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
if (!rk_fb) {
dev_err(&pdev->dev, "kmalloc for rk fb fail!");
return -ENOMEM;
}
platform_set_drvdata(pdev, rk_fb);
if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
rk_fb->disp_mode = mode;
} else {
dev_err(&pdev->dev, "no disp-mode node found!");
return -ENODEV;
}
if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
rk_fb->disp_policy = mode;
pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
}
if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
dev_set_name(&pdev->dev, "rockchip-fb");
#if defined(CONFIG_ION_ROCKCHIP)
rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
if (IS_ERR(rk_fb->ion_client)) {
dev_err(&pdev->dev, "failed to create ion client for rk fb");
return PTR_ERR(rk_fb->ion_client);
} else {
dev_info(&pdev->dev, "rk fb ion client create success!\n");
}
#endif
fb_pdev = pdev;
dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
return 0;
}
static int rk_fb_remove(struct platform_device *pdev)
{
struct rk_fb *rk_fb = platform_get_drvdata(pdev);
kfree(rk_fb);
platform_set_drvdata(pdev, NULL);
return 0;
}
static void rk_fb_shutdown(struct platform_device *pdev)
{
struct rk_fb *rk_fb = platform_get_drvdata(pdev);
int i;
for (i = 0; i < rk_fb->num_lcdc; i++) {
if (!rk_fb->lcdc_dev_drv[i])
continue;
sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
}
}
static const struct of_device_id rkfb_dt_ids[] = {
{.compatible = "rockchip,rk-fb",},
{}
};
static struct platform_driver rk_fb_driver = {
.probe = rk_fb_probe,
.remove = rk_fb_remove,
.driver = {
.name = "rk-fb",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(rkfb_dt_ids),
},
.shutdown = rk_fb_shutdown,
};
static int __init rk_fb_init(void)
{
return platform_driver_register(&rk_fb_driver);
}
static void __exit rk_fb_exit(void)
{
platform_driver_unregister(&rk_fb_driver);
}
fs_initcall(rk_fb_init);
module_exit(rk_fb_exit);
Reference in New Issue View Git Blame Copy Permalink