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android13/kernel-5.10/drivers/video/rockchip/rga/rga_drv.c

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/*
* Copyright (C) 2012 ROCKCHIP, Inc.
*
* 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.
*
*/
#define pr_fmt(fmt) "rga: " fmt
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/sched.h>
#include <linux/mutex.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <asm/delay.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
//#include <mach/io.h>
//#include <mach/irqs.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include <linux/miscdevice.h>
#include <linux/poll.h>
#include <linux/delay.h>
#include <linux/wait.h>
#include <linux/syscalls.h>
#include <linux/timer.h>
#include <linux/time.h>
#include <asm/cacheflush.h>
#include <linux/slab.h>
#include <linux/fb.h>
#include <linux/wakelock.h>
#include <linux/version.h>
#include <linux/debugfs.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
#include <linux/dma-buf.h>
#include <linux/pm_runtime.h>
#endif
#if defined(CONFIG_ION_ROCKCHIP)
#include <linux/rockchip_ion.h>
#endif
#include "rga.h"
#include "rga_reg_info.h"
#include "rga_mmu_info.h"
#include "RGA_API.h"
#define RGA_TEST_CASE 0
#define RGA_TEST_FLUSH_TIME 0
#define RGA_INFO_BUS_ERROR 1
#define RGA_PRE_SCALE_BUF_SIZE (2048 * 2048 * 4)
#define RGA_PRE_SCALE_PAGE_SIZE (RGA_PRE_SCALE_BUF_SIZE >> PAGE_SHIFT)
#define RGA_POWER_OFF_DELAY 4*HZ /* 4s */
#define RGA_TIMEOUT_DELAY 2*HZ /* 2s */
#define RGA_MAJOR 255
#if defined(CONFIG_ARCH_RK2928) || defined(CONFIG_ARCH_RK3026)
#define RK30_RGA_PHYS RK2928_RGA_PHYS
#define RK30_RGA_SIZE RK2928_RGA_SIZE
#endif
#define RGA_RESET_TIMEOUT 1000
/* Driver information */
#define DRIVER_DESC "RGA Device Driver"
#define DRIVER_NAME "rga"
ktime_t rga_start;
ktime_t rga_end;
static rga_session rga_session_global;
long (*rga_ioctl_kernel_p)(struct rga_req *);
#if RGA_DEBUGFS
unsigned char RGA_TEST_REG;
unsigned char RGA_TEST_MSG;
unsigned char RGA_TEST_TIME;
unsigned char RGA_CHECK_MODE;
unsigned char RGA_NONUSE;
unsigned char RGA_INT_FLAG;
#endif
struct rga_drvdata *rga_drvdata;
rga_service_info rga_service;
struct rga_mmu_buf_t rga_mmu_buf;
#if defined(CONFIG_ION_ROCKCHIP)
extern struct ion_client *rockchip_ion_client_create(const char * name);
#endif
static int rga_blit_async(rga_session *session, struct rga_req *req);
static void rga_del_running_list(void);
static void rga_del_running_list_timeout(void);
static void rga_try_set_reg(void);
/* Logging */
#define RGA_DEBUG 1
#if RGA_DEBUG
#define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
#define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
#define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
#define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
#else
#define DBG(format, args...)
#define ERR(format, args...)
#define WARNING(format, args...)
#define INFO(format, args...)
#endif
#if RGA_DEBUGFS
static const char *rga_get_cmd_mode_str(u32 cmd)
{
switch (cmd) {
case RGA_BLIT_SYNC:
return "RGA_BLIT_SYNC";
case RGA_BLIT_ASYNC:
return "RGA_BLIT_ASYNC";
case RGA_FLUSH:
return "RGA_FLUSH";
case RGA_GET_RESULT:
return "RGA_GET_RESULT";
case RGA_GET_VERSION:
return "RGA_GET_VERSION";
default:
return "UNF";
}
}
static const char *rga_get_blend_mode_str(u16 alpha_rop_flag)
{
if (alpha_rop_flag == 0)
return "no blend";
else if (alpha_rop_flag == 0x19)
return "blend mode 105 src + (1 - src.a) * dst";
else if (alpha_rop_flag == 0x11)
return "blend mode 405 src.a * src + (1 - src.a) * dst";
else
return "check reg for more imformation";
}
static const char *rga_get_render_mode_str(u8 mode)
{
switch (mode & 0x0F) {
case 0x0:
return "bitblt";
case 0x1:
return "color_palette";
case 0x2:
return "color_fill";
case 0x3:
return "line_point_drawing";
case 0x4:
return "blur_sharp_filter";
case 0x5:
return "pre_scaling";
case 0x6:
return "update_palette_table";
case 0x7:
return "update_patten_buff";
default:
return "UNF";
}
}
static const char *rga_get_rotate_mode_str(struct rga_req *req_rga)
{
switch (req_rga->rotate_mode) {
case 0x0:
return "no rotate";
case 0x1:
if (req_rga->sina == 0 && req_rga->cosa == 65536)
/* rotate 0 */
return "rotate 0";
else if (req_rga->sina == 65536 && req_rga->cosa == 0)
/* rotate 90 */
return "rotate 90 ";
else if (req_rga->sina == 0 && req_rga->cosa == -65536)
/* rotate 180 */
return "rotate 180 ";
else if (req_rga->sina == -65536 && req_rga->cosa == 0)
/* totate 270 */
return "rotate 270 ";
return "UNF";
case 0x2:
return "xmirror";
case 0x3:
return "ymirror";
default:
return "UNF";
}
}
static bool rga_is_yuv10bit_format(uint32_t format)
{
bool ret = false;
switch (format) {
case RK_FORMAT_YCbCr_420_SP_10B:
case RK_FORMAT_YCrCb_420_SP_10B:
ret = true;
break;
}
return ret;
}
static bool rga_is_yuv8bit_format(uint32_t format)
{
bool ret = false;
switch (format) {
case RK_FORMAT_YCbCr_422_SP:
case RK_FORMAT_YCbCr_422_P:
case RK_FORMAT_YCbCr_420_SP:
case RK_FORMAT_YCbCr_420_P:
case RK_FORMAT_YCrCb_422_SP:
case RK_FORMAT_YCrCb_422_P:
case RK_FORMAT_YCrCb_420_SP:
case RK_FORMAT_YCrCb_420_P:
ret = true;
break;
}
return ret;
}
static const char *rga_get_format_name(uint32_t format)
{
switch (format) {
case RK_FORMAT_RGBA_8888:
return "RGBA8888";
case RK_FORMAT_RGBX_8888:
return "RGBX8888";
case RK_FORMAT_RGB_888:
return "RGB888";
case RK_FORMAT_BGRA_8888:
return "BGRA8888";
case RK_FORMAT_RGB_565:
return "RGB565";
case RK_FORMAT_RGBA_5551:
return "RGBA5551";
case RK_FORMAT_RGBA_4444:
return "RGBA4444";
case RK_FORMAT_BGR_888:
return "BGR888";
case RK_FORMAT_YCbCr_422_SP:
return "YCbCr422SP";
case RK_FORMAT_YCbCr_422_P:
return "YCbCr422P";
case RK_FORMAT_YCbCr_420_SP:
return "YCbCr420SP";
case RK_FORMAT_YCbCr_420_P:
return "YCbCr420P";
case RK_FORMAT_YCrCb_422_SP:
return "YCrCb422SP";
case RK_FORMAT_YCrCb_422_P:
return "YCrCb422P";
case RK_FORMAT_YCrCb_420_SP:
return "YCrCb420SP";
case RK_FORMAT_YCrCb_420_P:
return "YCrCb420P";
case RK_FORMAT_BPP1:
return "BPP1";
case RK_FORMAT_BPP2:
return "BPP2";
case RK_FORMAT_BPP4:
return "BPP4";
case RK_FORMAT_BPP8:
return "BPP8";
case RK_FORMAT_YCbCr_420_SP_10B:
return "YCrCb420SP10B";
case RK_FORMAT_YCrCb_420_SP_10B:
return "YCbCr420SP10B";
default:
return "UNF";
}
}
static void print_debug_info(struct rga_req *req)
{
DBG("render_mode %s, rotate_mode %s, blit mode %d\n",
rga_get_render_mode_str(req->render_mode),
rga_get_rotate_mode_str(req), req->bsfilter_flag);
DBG("src : y=%lx uv=%lx v=%lx format=%s aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d\n",
req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr,
rga_get_format_name(req->src.format),
req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h,
req->src.x_offset, req->src.y_offset);
DBG("dst : y=%lx uv=%lx v=%lx format=%s aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d\n",
req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr,
rga_get_format_name(req->dst.format),
req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h,
req->dst.x_offset, req->dst.y_offset);
DBG("mmuflg = %.8x, mmuen is %d\n", req->mmu_info.mmu_flag, req->mmu_info.mmu_en);
DBG("clip.xmin = %d, clip.xmax = %d, clip.ymin = %d, clip.ymax = %d\n",
req->clip.xmin, req->clip.xmax, req->clip.ymin, req->clip.ymax);
DBG("alpha: flag %.8x mode=%.8x\n", req->alpha_rop_flag, req->alpha_rop_mode);
DBG("blend mode:%s\n", rga_get_blend_mode_str(req->alpha_rop_flag));
DBG("yuv2rgb mode:%x\n", req->yuv2rgb_mode);
}
static int rga_align_check(struct rga_req *req)
{
if (rga_is_yuv10bit_format(req->src.format)) {
if ((req->src.vir_w % 16) || (req->src.x_offset % 2) ||
(req->src.act_w % 2) || (req->src.y_offset % 2) ||
(req->src.act_h % 2) || (req->src.vir_h % 2))
DBG("err src wstride is not align to 16 or yuv not align to 2");
}
if (rga_is_yuv10bit_format(req->dst.format)) {
if ((req->dst.vir_w % 16) || (req->dst.x_offset % 2) ||
(req->dst.act_w % 2) || (req->dst.y_offset % 2) ||
(req->dst.act_h % 2) || (req->dst.vir_h % 2))
DBG("err dst wstride is not align to 16 or yuv not align to 2");
}
if (rga_is_yuv8bit_format(req->src.format)) {
if ((req->src.vir_w % 8) || (req->src.x_offset % 2) ||
(req->src.act_w % 2) || (req->src.y_offset % 2) ||
(req->src.act_h % 2) || (req->src.vir_h % 2))
DBG("err src wstride is not align to 8 or yuv not align to 2");
}
if (rga_is_yuv8bit_format(req->dst.format)) {
if ((req->dst.vir_w % 8) || (req->dst.x_offset % 2) ||
(req->dst.act_w % 2) || (req->dst.y_offset % 2) ||
(req->dst.act_h % 2) || (req->dst.vir_h % 2))
DBG("err dst wstride is not align to 8 or yuv not align to 2");
}
DBG("rga align check over!\n");
return 0;
}
static int rga_memory_check(void *vaddr, u32 w, u32 h, u32 format, int fd)
{
int bits = 32;
int temp_data = 0;
void *one_line = kzalloc(w * 4, GFP_KERNEL);
if (!one_line) {
pr_err("kzalloc fail %s[%d]\n", __func__, __LINE__);
return 0;
}
switch (format) {
case RK_FORMAT_RGBA_8888:
case RK_FORMAT_RGBX_8888:
case RK_FORMAT_BGRA_8888:
bits = 32;
break;
case RK_FORMAT_RGB_888:
case RK_FORMAT_BGR_888:
bits = 24;
break;
case RK_FORMAT_RGB_565:
case RK_FORMAT_RGBA_5551:
case RK_FORMAT_RGBA_4444:
case RK_FORMAT_YCbCr_422_SP:
case RK_FORMAT_YCbCr_422_P:
case RK_FORMAT_YCrCb_422_SP:
case RK_FORMAT_YCrCb_422_P:
bits = 16;
break;
case RK_FORMAT_YCbCr_420_SP:
case RK_FORMAT_YCbCr_420_P:
case RK_FORMAT_YCrCb_420_SP:
case RK_FORMAT_YCrCb_420_P:
bits = 12;
break;
case RK_FORMAT_YCbCr_420_SP_10B:
case RK_FORMAT_YCrCb_420_SP_10B:
bits = 15;
break;
default:
DBG("un know format\n");
kfree(one_line);
return -1;
}
temp_data = w * (h - 1) * bits / 8;
if (fd > 0) {
DBG("vaddr is%p, bits is %d, fd check\n", vaddr, bits);
memcpy(one_line, (char *)vaddr + temp_data, w * bits / 8);
DBG("fd check ok\n");
} else {
DBG("vir addr memory check.\n");
memcpy((void *)((char *)vaddr + temp_data), one_line, w * bits / 8);
DBG("vir addr check ok.\n");
}
kfree(one_line);
return 0;
}
#endif
static inline void rga_write(u32 b, u32 r)
{
__raw_writel(b, rga_drvdata->rga_base + r);
}
static inline u32 rga_read(u32 r)
{
return __raw_readl(rga_drvdata->rga_base + r);
}
static void rga_soft_reset(void)
{
u32 i;
u32 reg;
rga_write(1, RGA_SYS_CTRL); //RGA_SYS_CTRL
for(i = 0; i < RGA_RESET_TIMEOUT; i++)
{
reg = rga_read(RGA_SYS_CTRL) & 1; //RGA_SYS_CTRL
if(reg == 0)
break;
udelay(1);
}
if(i == RGA_RESET_TIMEOUT)
ERR("soft reset timeout.\n");
}
static void rga_dump(void)
{
int running;
struct rga_reg *reg, *reg_tmp;
rga_session *session, *session_tmp;
running = atomic_read(&rga_service.total_running);
printk("rga total_running %d\n", running);
#if 0
/* Dump waiting list info */
if (!list_empty(&rga_service.waiting))
{
list_head *next;
next = &rga_service.waiting;
printk("rga_service dump waiting list\n");
do
{
reg = list_entry(next->next, struct rga_reg, status_link);
running = atomic_read(&reg->session->task_running);
num_done = atomic_read(&reg->session->num_done);
printk("rga session pid %d, done %d, running %d\n", reg->session->pid, num_done, running);
next = next->next;
}
while(!list_empty(next));
}
/* Dump running list info */
if (!list_empty(&rga_service.running))
{
printk("rga_service dump running list\n");
list_head *next;
next = &rga_service.running;
do
{
reg = list_entry(next->next, struct rga_reg, status_link);
running = atomic_read(&reg->session->task_running);
num_done = atomic_read(&reg->session->num_done);
printk("rga session pid %d, done %d, running %d:\n", reg->session->pid, num_done, running);
next = next->next;
}
while(!list_empty(next));
}
#endif
list_for_each_entry_safe(session, session_tmp, &rga_service.session, list_session)
{
printk("session pid %d:\n", session->pid);
running = atomic_read(&session->task_running);
printk("task_running %d\n", running);
list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
{
printk("waiting register set 0x %.lu\n", (unsigned long)reg);
}
list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
{
printk("running register set 0x %.lu\n", (unsigned long)reg);
}
}
}
static inline void rga_queue_power_off_work(void)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
queue_delayed_work(system_wq, &rga_drvdata->power_off_work, RGA_POWER_OFF_DELAY);
#else
queue_delayed_work(system_nrt_wq, &rga_drvdata->power_off_work, RGA_POWER_OFF_DELAY);
#endif
}
/* Caller must hold rga_service.lock */
static void rga_power_on(void)
{
static ktime_t last;
ktime_t now = ktime_get();
if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
cancel_delayed_work_sync(&rga_drvdata->power_off_work);
rga_queue_power_off_work();
last = now;
}
if (rga_service.enable)
return;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
clk_prepare_enable(rga_drvdata->aclk_rga);
clk_prepare_enable(rga_drvdata->hclk_rga);
pm_runtime_get_sync(rga_drvdata->dev);
#else
clk_prepare_enable(rga_drvdata->aclk_rga);
clk_prepare_enable(rga_drvdata->hclk_rga);
if (rga_drvdata->pd_rga)
clk_prepare_enable(rga_drvdata->pd_rga);
#endif
wake_lock(&rga_drvdata->wake_lock);
rga_service.enable = true;
}
/* Caller must hold rga_service.lock */
static void rga_power_off(void)
{
int total_running;
if (!rga_service.enable) {
return;
}
total_running = atomic_read(&rga_service.total_running);
if (total_running) {
pr_err("power off when %d task running!!\n", total_running);
mdelay(50);
pr_err("delay 50 ms for running task\n");
rga_dump();
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
pm_runtime_put(rga_drvdata->dev);
clk_disable_unprepare(rga_drvdata->aclk_rga);
clk_disable_unprepare(rga_drvdata->hclk_rga);
#else
if (rga_drvdata->pd_rga)
clk_disable_unprepare(rga_drvdata->pd_rga);
clk_disable_unprepare(rga_drvdata->aclk_rga);
clk_disable_unprepare(rga_drvdata->hclk_rga);
#endif
wake_unlock(&rga_drvdata->wake_lock);
rga_service.enable = false;
}
static void rga_power_off_work(struct work_struct *work)
{
if (mutex_trylock(&rga_service.lock)) {
rga_power_off();
mutex_unlock(&rga_service.lock);
} else {
/* Come back later if the device is busy... */
rga_queue_power_off_work();
}
}
static int rga_flush(rga_session *session, unsigned long arg)
{
int ret = 0;
int ret_timeout;
#if RGA_TEST_FLUSH_TIME
ktime_t start;
ktime_t end;
start = ktime_get();
#endif
ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA_TIMEOUT_DELAY);
if (unlikely(ret_timeout < 0)) {
//pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
mutex_lock(&rga_service.lock);
rga_del_running_list();
mutex_unlock(&rga_service.lock);
ret = ret_timeout;
} else if (0 == ret_timeout) {
//pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
//printk("bus = %.8x\n", rga_read(RGA_INT));
mutex_lock(&rga_service.lock);
rga_del_running_list_timeout();
rga_try_set_reg();
mutex_unlock(&rga_service.lock);
ret = -ETIMEDOUT;
}
#if RGA_TEST_FLUSH_TIME
end = ktime_get();
end = ktime_sub(end, start);
printk("one flush wait time %d\n", (int)ktime_to_us(end));
#endif
return ret;
}
static int rga_get_result(rga_session *session, unsigned long arg)
{
//printk("rga_get_result %d\n",rga_drvdata->rga_result);
int ret = 0;
int num_done;
num_done = atomic_read(&session->num_done);
if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
printk("copy_to_user failed\n");
ret = -EFAULT;
}
return ret;
}
static int rga_check_param(const struct rga_req *req)
{
/*RGA can support up to 8192*8192 resolution in RGB format,but we limit the image size to 8191*8191 here*/
//check src width and height
if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))
{
if (unlikely((req->src.act_w <= 0) || (req->src.act_w > 8191) || (req->src.act_h <= 0) || (req->src.act_h > 8191)))
{
printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
return -EINVAL;
}
}
if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))
{
if (unlikely((req->src.vir_w <= 0) || (req->src.vir_w > 8191) || (req->src.vir_h <= 0) || (req->src.vir_h > 8191)))
{
printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
return -EINVAL;
}
}
//check dst width and height
if (unlikely((req->dst.act_w <= 0) || (req->dst.act_w > 2048) || (req->dst.act_h <= 0) || (req->dst.act_h > 2048)))
{
printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
return -EINVAL;
}
if (unlikely((req->dst.vir_w <= 0) || (req->dst.vir_w > 4096) || (req->dst.vir_h <= 0) || (req->dst.vir_h > 2048)))
{
printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
return -EINVAL;
}
//check src_vir_w
if(unlikely(req->src.vir_w < req->src.act_w)){
printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
return -EINVAL;
}
//check dst_vir_w
if(unlikely(req->dst.vir_w < req->dst.act_w)){
if(req->rotate_mode != 1)
{
printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
return -EINVAL;
}
}
return 0;
}
static void rga_copy_reg(struct rga_reg *reg, uint32_t offset)
{
uint32_t i;
uint32_t *cmd_buf;
uint32_t *reg_p;
if(atomic_read(&reg->session->task_running) != 0)
{
printk(KERN_ERR "task_running is no zero\n");
}
atomic_add(1, &rga_service.cmd_num);
atomic_add(1, &reg->session->task_running);
cmd_buf = (uint32_t *)rga_service.cmd_buff + offset*32;
reg_p = (uint32_t *)reg->cmd_reg;
for(i=0; i<32; i++)
cmd_buf[i] = reg_p[i];
}
static struct rga_reg * rga_reg_init(rga_session *session, struct rga_req *req)
{
int32_t ret;
struct rga_reg *reg = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);
if (NULL == reg) {
pr_err("kmalloc fail in rga_reg_init\n");
return NULL;
}
reg->session = session;
INIT_LIST_HEAD(&reg->session_link);
INIT_LIST_HEAD(&reg->status_link);
reg->MMU_base = NULL;
if (req->mmu_info.mmu_en)
{
ret = rga_set_mmu_info(reg, req);
if(ret < 0)
{
printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
if(reg != NULL)
{
kfree(reg);
}
return NULL;
}
}
if(RGA_gen_reg_info(req, (uint8_t *)reg->cmd_reg) == -1)
{
printk("gen reg info error\n");
if(reg != NULL)
{
kfree(reg);
}
return NULL;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
reg->sg_src = req->sg_src;
reg->sg_dst = req->sg_dst;
reg->attach_src = req->attach_src;
reg->attach_dst = req->attach_dst;
#endif
mutex_lock(&rga_service.lock);
list_add_tail(&reg->status_link, &rga_service.waiting);
list_add_tail(&reg->session_link, &session->waiting);
mutex_unlock(&rga_service.lock);
return reg;
}
/* Caller must hold rga_service.lock */
static void rga_reg_deinit(struct rga_reg *reg)
{
list_del_init(&reg->session_link);
list_del_init(&reg->status_link);
kfree(reg);
}
/* Caller must hold rga_service.lock */
static void rga_reg_from_wait_to_run(struct rga_reg *reg)
{
list_del_init(&reg->status_link);
list_add_tail(&reg->status_link, &rga_service.running);
list_del_init(&reg->session_link);
list_add_tail(&reg->session_link, &reg->session->running);
}
/* Caller must hold rga_service.lock */
static void rga_service_session_clear(rga_session *session)
{
struct rga_reg *reg, *n;
list_for_each_entry_safe(reg, n, &session->waiting, session_link)
{
rga_reg_deinit(reg);
}
list_for_each_entry_safe(reg, n, &session->running, session_link)
{
rga_reg_deinit(reg);
}
}
/* Caller must hold rga_service.lock */
static void rga_try_set_reg(void)
{
struct rga_reg *reg ;
if (list_empty(&rga_service.running))
{
if (!list_empty(&rga_service.waiting))
{
/* RGA is idle */
reg = list_entry(rga_service.waiting.next, struct rga_reg, status_link);
rga_power_on();
udelay(1);
rga_copy_reg(reg, 0);
rga_reg_from_wait_to_run(reg);
rga_dma_flush_range(&rga_service.cmd_buff[0], &rga_service.cmd_buff[32]);
rga_soft_reset();
rga_write(0x0, RGA_SYS_CTRL);
rga_write(0, RGA_MMU_CTRL);
/* CMD buff */
rga_write(virt_to_phys(rga_service.cmd_buff), RGA_CMD_ADDR);
#if RGA_DEBUGFS
if (RGA_TEST_REG) {
//printk(KERN_DEBUG "cmd_addr = %.8x\n", rga_read(RGA_CMD_ADDR));
uint32_t i;
uint32_t *p;
p = rga_service.cmd_buff;
printk("CMD_REG\n");
for (i=0; i<7; i++)
printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
printk("%.8x %.8x\n", p[0 + i*4], p[1+i*4]);
}
#endif
/* master mode */
rga_write((0x1<<2)|(0x1<<3), RGA_SYS_CTRL);
/* All CMD finish int */
rga_write(rga_read(RGA_INT)|(0x1<<10)|(0x1<<9)|(0x1<<8), RGA_INT);
#if RGA_DEBUGFS
if (RGA_TEST_TIME)
rga_start = ktime_get();
#endif
/* Start proc */
atomic_set(&reg->session->done, 0);
rga_write(0x1, RGA_CMD_CTRL);
#if RGA_DEBUGFS
if (RGA_TEST_REG) {
uint32_t i;
printk("CMD_READ_BACK_REG\n");
for (i=0; i<7; i++)
printk("%.8x %.8x %.8x %.8x\n", rga_read(0x100 + i*16 + 0),
rga_read(0x100 + i*16 + 4), rga_read(0x100 + i*16 + 8), rga_read(0x100 + i*16 + 12));
printk("%.8x %.8x\n", rga_read(0x100 + i*16 + 0), rga_read(0x100 + i*16 + 4));
}
#endif
}
}
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
static int rga_put_dma_buf(struct rga_req *req, struct rga_reg *reg)
{
struct dma_buf_attachment *attach = NULL;
struct sg_table *sgt = NULL;
struct dma_buf *dma_buf = NULL;
if (!req && !reg)
return -EINVAL;
attach = (!reg) ? req->attach_src : reg->attach_src;
sgt = (!reg) ? req->sg_src : reg->sg_src;
if (attach && sgt)
dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
if (attach) {
dma_buf = attach->dmabuf;
dma_buf_detach(dma_buf, attach);
dma_buf_put(dma_buf);
}
attach = (!reg) ? req->attach_dst : reg->attach_dst;
sgt = (!reg) ? req->sg_dst : reg->sg_dst;
if (attach && sgt)
dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
if (attach) {
dma_buf = attach->dmabuf;
dma_buf_detach(dma_buf, attach);
dma_buf_put(dma_buf);
}
return 0;
}
#endif
/* Caller must hold rga_service.lock */
static void rga_del_running_list(void)
{
struct rga_reg *reg;
while(!list_empty(&rga_service.running))
{
reg = list_entry(rga_service.running.next, struct rga_reg, status_link);
if(reg->MMU_len != 0)
{
if (rga_mmu_buf.back + reg->MMU_len > 2*rga_mmu_buf.size)
rga_mmu_buf.back = reg->MMU_len + rga_mmu_buf.size;
else
rga_mmu_buf.back += reg->MMU_len;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
rga_put_dma_buf(NULL, reg);
#endif
atomic_sub(1, &reg->session->task_running);
atomic_sub(1, &rga_service.total_running);
if(list_empty(&reg->session->waiting))
{
atomic_set(&reg->session->done, 1);
wake_up(&reg->session->wait);
}
rga_reg_deinit(reg);
}
}
/* Caller must hold rga_service.lock */
static void rga_del_running_list_timeout(void)
{
struct rga_reg *reg;
while(!list_empty(&rga_service.running))
{
reg = list_entry(rga_service.running.next, struct rga_reg, status_link);
if(reg->MMU_len != 0)
{
if (rga_mmu_buf.back + reg->MMU_len > 2*rga_mmu_buf.size)
rga_mmu_buf.back = reg->MMU_len + rga_mmu_buf.size;
else
rga_mmu_buf.back += reg->MMU_len;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
rga_put_dma_buf(NULL, reg);
#endif
atomic_sub(1, &reg->session->task_running);
atomic_sub(1, &rga_service.total_running);
//printk("RGA soft reset for timeout process\n");
rga_soft_reset();
#if 0
printk("RGA_INT is %.8x\n", rga_read(RGA_INT));
printk("reg->session->task_running = %d\n", atomic_read(&reg->session->task_running));
printk("rga_service.total_running = %d\n", atomic_read(&rga_service.total_running));
print_info(&reg->req);
{
uint32_t *p, i;
p = reg->cmd_reg;
for (i=0; i<7; i++)
printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
}
#endif
if(list_empty(&reg->session->waiting))
{
atomic_set(&reg->session->done, 1);
wake_up(&reg->session->wait);
}
rga_reg_deinit(reg);
}
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))
static int rga_convert_dma_buf(struct rga_req *req)
{
struct ion_handle *hdl;
ion_phys_addr_t phy_addr;
size_t len;
int ret;
u32 src_offset, dst_offset;
void *vaddr;
req->sg_src = NULL;
req->sg_dst = NULL;
src_offset = req->line_draw_info.flag;
dst_offset = req->line_draw_info.line_width;
if (req->src.yrgb_addr) {
hdl = ion_import_dma_buf(rga_drvdata->ion_client, req->src.yrgb_addr);
if (IS_ERR(hdl)) {
ret = PTR_ERR(hdl);
pr_err("RGA ERROR ion buf handle\n");
return ret;
}
if (req->src.uv_addr) {
if (RGA_TEST_MSG)
pr_err("WARNING : don't input viraddrs when already input fd !\n");
req->src.uv_addr = 0;
}
#if RGA_DEBUGFS
if (RGA_CHECK_MODE) {
vaddr = ion_map_kernel(rga_drvdata->ion_client, hdl);
if (vaddr)
rga_memory_check(vaddr, req->src.vir_h, req->src.vir_w,
req->src.format, req->src.yrgb_addr);
ion_unmap_kernel(rga_drvdata->ion_client, hdl);
}
#endif
if ((req->mmu_info.mmu_flag >> 8) & 1) {
req->sg_src = ion_sg_table(rga_drvdata->ion_client, hdl);
req->src.yrgb_addr = req->src.uv_addr;
req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
}
else {
ion_phys(rga_drvdata->ion_client, hdl, &phy_addr, &len);
req->src.yrgb_addr = phy_addr + src_offset;
req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
}
ion_free(rga_drvdata->ion_client, hdl);
}
else {
req->src.yrgb_addr = req->src.uv_addr;
req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
}
if(req->dst.yrgb_addr) {
hdl = ion_import_dma_buf(rga_drvdata->ion_client, req->dst.yrgb_addr);
if (IS_ERR(hdl)) {
ret = PTR_ERR(hdl);
printk("RGA2 ERROR ion buf handle\n");
return ret;
}
if (req->dst.uv_addr) {
if (RGA_TEST_MSG)
pr_err("WARNING : don't input viraddrs when already input fd !\n");
req->dst.uv_addr = 0;
}
#if RGA_DEBUGFS
if (RGA_CHECK_MODE) {
vaddr = ion_map_kernel(rga_drvdata->ion_client, hdl);
if (vaddr)
rga_memory_check(vaddr, req->src.vir_h, req->src.vir_w,
req->src.format, req->src.yrgb_addr);
ion_unmap_kernel(rga_drvdata->ion_client, hdl);
}
#endif
if ((req->mmu_info.mmu_flag >> 10) & 1) {
req->sg_dst = ion_sg_table(rga_drvdata->ion_client, hdl);
req->dst.yrgb_addr = req->dst.uv_addr;
req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
}
else {
ion_phys(rga_drvdata->ion_client, hdl, &phy_addr, &len);
req->dst.yrgb_addr = phy_addr + dst_offset;
req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
}
ion_free(rga_drvdata->ion_client, hdl);
}
else {
req->dst.yrgb_addr = req->dst.uv_addr;
req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
}
return 0;
}
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
static int rga_get_img_info(rga_img_info_t *img,
u8 mmu_flag,
struct sg_table **psgt,
struct dma_buf_attachment **pattach)
{
struct dma_buf_attachment *attach = NULL;
struct device *rga_dev = NULL;
struct sg_table *sgt = NULL;
struct dma_buf *dma_buf = NULL;
u32 vir_w, vir_h;
int yrgb_addr = -1;
int ret = 0;
void *vaddr = NULL;
rga_dev = rga_drvdata->dev;
yrgb_addr = (int)img->yrgb_addr;
vir_w = img->vir_w;
vir_h = img->vir_h;
if (yrgb_addr > 0) {
dma_buf = dma_buf_get(img->yrgb_addr);
if (IS_ERR(dma_buf)) {
ret = -EINVAL;
pr_err("dma_buf_get fail fd[%d]\n", yrgb_addr);
return ret;
}
attach = dma_buf_attach(dma_buf, rga_dev);
if (IS_ERR(attach)) {
dma_buf_put(dma_buf);
ret = -EINVAL;
pr_err("Failed to attach dma_buf\n");
return ret;
}
#if RGA_DEBUGFS
if (RGA_CHECK_MODE) {
vaddr = dma_buf_vmap(dma_buf);
if (vaddr)
rga_memory_check(vaddr, img->vir_w, img->vir_h,
img->format, img->yrgb_addr);
dma_buf_vunmap(dma_buf, vaddr);
}
#endif
*pattach = attach;
sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
if (IS_ERR(sgt)) {
ret = -EINVAL;
pr_err("Failed to map src attachment\n");
goto err_get_sg;
}
if (!mmu_flag) {
ret = -EINVAL;
pr_err("Fix it please enable iommu flag\n");
goto err_get_sg;
}
if (mmu_flag) {
*psgt = sgt;
img->yrgb_addr = img->uv_addr;
img->uv_addr = img->yrgb_addr + (vir_w * vir_h);
img->v_addr = img->uv_addr + (vir_w * vir_h) / 4;
}
} else {
img->yrgb_addr = img->uv_addr;
img->uv_addr = img->yrgb_addr + (vir_w * vir_h);
img->v_addr = img->uv_addr + (vir_w * vir_h) / 4;
}
return ret;
err_get_sg:
if (sgt)
dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
if (attach) {
dma_buf = attach->dmabuf;
dma_buf_detach(dma_buf, attach);
*pattach = NULL;
dma_buf_put(dma_buf);
}
return ret;
}
static int rga_get_dma_buf(struct rga_req *req)
{
struct dma_buf *dma_buf = NULL;
u8 mmu_flag = 0;
int ret = 0;
req->sg_src = NULL;
req->sg_dst = NULL;
req->attach_src = NULL;
req->attach_dst = NULL;
mmu_flag = (req->mmu_info.mmu_flag >> 8) & 1;
ret = rga_get_img_info(&req->src, mmu_flag, &req->sg_src,
&req->attach_src);
if (ret) {
pr_err("src:rga_get_img_info fail\n");
goto err_src;
}
mmu_flag = (req->mmu_info.mmu_flag >> 10) & 1;
ret = rga_get_img_info(&req->dst, mmu_flag, &req->sg_dst,
&req->attach_dst);
if (ret) {
pr_err("dst:rga_get_img_info fail\n");
goto err_dst;
}
return ret;
err_dst:
if (req->sg_src && req->attach_src) {
dma_buf_unmap_attachment(req->attach_src,
req->sg_src, DMA_BIDIRECTIONAL);
dma_buf = req->attach_src->dmabuf;
dma_buf_detach(dma_buf, req->attach_src);
dma_buf_put(dma_buf);
}
err_src:
return ret;
}
#endif
static struct rga_reg *rga_reg_init_2(rga_session *session, struct rga_req *req0,
struct rga_req *req1)
{
int32_t ret;
struct rga_reg *reg0, *reg1;
reg0 = NULL;
reg1 = NULL;
do {
reg0 = kzalloc(sizeof(*reg0), GFP_KERNEL);
if (!reg0) {
pr_err("%s [%d] kmalloc fail in rga_reg_init\n",
__func__, __LINE__);
break;
}
reg1 = kzalloc(sizeof(*reg1), GFP_KERNEL);
if (!reg1) {
pr_err("%s [%d] kmalloc fail in rga_reg_init\n",
__func__, __LINE__);
break;
}
reg0->session = session;
INIT_LIST_HEAD(&reg0->session_link);
INIT_LIST_HEAD(&reg0->status_link);
reg1->session = session;
INIT_LIST_HEAD(&reg1->session_link);
INIT_LIST_HEAD(&reg1->status_link);
req0->mmu_info.mmu_flag &= (~(1 << 10));
if (req0->mmu_info.mmu_en) {
ret = rga_set_mmu_info(reg0, req0);
if (ret < 0) {
pr_err("%s, [%d] set mmu info error\n",
__func__, __LINE__);
break;
}
}
RGA_gen_reg_info(req0, (uint8_t *)reg0->cmd_reg);
req1->mmu_info.mmu_flag &= (~(1 << 8));
if (req1->mmu_info.mmu_en) {
ret = rga_set_mmu_info(reg1, req1);
if (ret < 0) {
pr_err("%s, [%d] set mmu info error\n",
__func__, __LINE__);
break;
}
}
RGA_gen_reg_info(req1, (uint8_t *)reg1->cmd_reg);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
reg1->sg_src = req1->sg_src;
reg1->sg_dst = req1->sg_dst;
reg1->attach_src = req1->attach_src;
reg1->attach_dst = req1->attach_dst;
#endif
mutex_lock(&rga_service.lock);
list_add_tail(&reg0->status_link, &rga_service.waiting);
list_add_tail(&reg0->session_link, &session->waiting);
list_add_tail(&reg1->status_link, &rga_service.waiting);
list_add_tail(&reg1->session_link, &session->waiting);
mutex_unlock(&rga_service.lock);
return reg1;
} while (0);
if (reg0)
kfree(reg0);
if (reg1)
kfree(reg1);
return NULL;
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))
static void rga_mem_addr_sel(struct rga_req *req)
{
switch (req->src.format) {
case RK_FORMAT_YCbCr_422_SP:
break;
case RK_FORMAT_YCbCr_422_P:
break;
case RK_FORMAT_YCbCr_420_SP:
if ((req->src.yrgb_addr > 0xc0000000) && (req->src.uv_addr > 0xc0000000) &&
(req->dst.yrgb_addr > 0xc0000000)) {
req->src.yrgb_addr = req->src.yrgb_addr - 0x60000000;
req->src.uv_addr = req->src.uv_addr - 0x60000000;
req->dst.yrgb_addr = req->dst.yrgb_addr - 0x60000000;
req->mmu_info.mmu_en = 0;
req->mmu_info.mmu_flag &= 0xfffe;
}
break;
case RK_FORMAT_YCbCr_420_P:
break;
case RK_FORMAT_YCrCb_422_SP:
break;
case RK_FORMAT_YCrCb_422_P:
break;
case RK_FORMAT_YCrCb_420_SP:
break;
case RK_FORMAT_YCrCb_420_P:
break;
default:
break;
}
}
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
static int rga_blit(rga_session *session, struct rga_req *req)
{
int ret = -1;
int num = 0;
struct rga_reg *reg;
struct rga_req req2;
uint32_t saw, sah, daw, dah;
saw = req->src.act_w;
sah = req->src.act_h;
daw = req->dst.act_w;
dah = req->dst.act_h;
#if RGA_DEBUGFS
if (RGA_TEST_MSG)
print_debug_info(req);
if (RGA_CHECK_MODE) {
rga_align_check(req);
/*rga_scale_check(req);*/
}
#endif
if (rga_get_dma_buf(req)) {
pr_err("RGA : DMA buf copy error\n");
return -EFAULT;
}
req->render_mode &= (~RGA_BUF_GEM_TYPE_MASK);
do {
if ((req->render_mode == bitblt_mode) && (((saw >> 1) >= daw) || ((sah >> 1) >= dah))) {
/* generate 2 cmd for pre scale */
if (((saw >> 3) > daw) || ((sah >> 3) > dah)) {
pr_err("unsupported to scaling less than 1/8\n");
goto err_put_dma_buf;
}
if (((daw >> 3) > saw) || ((dah >> 3) > daw)) {
pr_err("unsupported to scaling more than 8\n");
goto err_put_dma_buf;
}
ret = rga_check_param(req);
if (ret == -EINVAL) {
pr_err("req 0 argument is inval\n");
goto err_put_dma_buf;
}
ret = RGA_gen_two_pro(req, &req2);
if (ret == -EINVAL) {
pr_err("RGA_gen_two_pro err\n");
goto err_put_dma_buf;
}
ret = rga_check_param(req);
if (ret == -EINVAL) {
pr_err("req 1 argument is inval\n");
goto err_put_dma_buf;
}
ret = rga_check_param(&req2);
if (ret == -EINVAL) {
pr_err("req 2 argument is inval\n");
goto err_put_dma_buf;
}
reg = rga_reg_init_2(session, req, &req2);
if (!reg) {
pr_err("init2 reg fail\n");
goto err_put_dma_buf;
}
num = 2;
} else {
/* check value if legal */
ret = rga_check_param(req);
if (ret == -EINVAL) {
pr_err("req argument is inval\n");
goto err_put_dma_buf;
}
reg = rga_reg_init(session, req);
if (!reg) {
pr_err("init reg fail\n");
goto err_put_dma_buf;
}
num = 1;
}
mutex_lock(&rga_service.lock);
atomic_add(num, &rga_service.total_running);
rga_try_set_reg();
mutex_unlock(&rga_service.lock);
return 0;
} while (0);
err_put_dma_buf:
rga_put_dma_buf(req, NULL);
return -EFAULT;
}
#else
static int rga_blit(rga_session *session, struct rga_req *req)
{
int ret = -1;
int num = 0;
struct rga_reg *reg;
struct rga_req req2;
uint32_t saw, sah, daw, dah;
saw = req->src.act_w;
sah = req->src.act_h;
daw = req->dst.act_w;
dah = req->dst.act_h;
#if RGA_DEBUGFS
if (RGA_TEST_MSG)
print_debug_info(req);
if (RGA_CHECK_MODE) {
rga_align_check(req);
/*rga_scale_check(req);*/
}
#endif
if (rga_convert_dma_buf(req)) {
pr_err("RGA : DMA buf copy error\n");
return -EFAULT;
}
do {
if ((req->render_mode == bitblt_mode) && (((saw >> 1) >= daw) || ((sah >> 1) >= dah))) {
/* generate 2 cmd for pre scale */
ret = rga_check_param(req);
if (ret == -EINVAL) {
pr_err("req 0 argument is inval\n");
break;
}
ret = RGA_gen_two_pro(req, &req2);
if (ret == -EINVAL)
break;
ret = rga_check_param(req);
if (ret == -EINVAL) {
pr_err("req 1 argument is inval\n");
break;
}
ret = rga_check_param(&req2);
if (ret == -EINVAL) {
pr_err("req 2 argument is inval\n");
break;
}
reg = rga_reg_init_2(session, req, &req2);
if (!reg)
break;
num = 2;
} else {
/* check value if legal */
ret = rga_check_param(req);
if (ret == -EINVAL) {
pr_err("req argument is inval\n");
break;
}
if (req->render_mode == bitblt_mode)
rga_mem_addr_sel(req);
reg = rga_reg_init(session, req);
if (!reg)
break;
num = 1;
}
mutex_lock(&rga_service.lock);
atomic_add(num, &rga_service.total_running);
rga_try_set_reg();
mutex_unlock(&rga_service.lock);
return 0;
} while (0);
return -EFAULT;
}
#endif
static int rga_blit_async(rga_session *session, struct rga_req *req)
{
int ret = -1;
#if RGA_DEBUGFS
if (RGA_TEST_MSG)
DBG("*** rga_blit_async proc ***\n");
#endif
atomic_set(&session->done, 0);
ret = rga_blit(session, req);
return ret;
}
static int rga_blit_sync(rga_session *session, struct rga_req *req)
{
int ret = -1;
int ret_timeout = 0;
#if RGA_DEBUGFS
if (RGA_TEST_MSG)
DBG("*** rga_blit_sync proc ***\n");
#endif
atomic_set(&session->done, 0);
ret = rga_blit(session, req);
if(ret < 0)
return ret;
ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA_TIMEOUT_DELAY);
if (unlikely(ret_timeout< 0)) {
mutex_lock(&rga_service.lock);
rga_del_running_list();
mutex_unlock(&rga_service.lock);
ret = ret_timeout;
}
else if (0 == ret_timeout) {
mutex_lock(&rga_service.lock);
rga_del_running_list_timeout();
rga_try_set_reg();
mutex_unlock(&rga_service.lock);
ret = -ETIMEDOUT;
}
#if RGA_DEBUGFS
if (RGA_TEST_TIME) {
rga_end = ktime_get();
rga_end = ktime_sub(rga_end, rga_start);
DBG("sync one cmd end time %d us\n", (int)ktime_to_us(rga_end));
}
#endif
return ret;
}
static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
{
struct rga_req req;
int ret = 0;
rga_session *session;
memset(&req, 0x0, sizeof(req));
mutex_lock(&rga_service.mutex);
session = (rga_session *)file->private_data;
if (NULL == session) {
printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
mutex_unlock(&rga_service.mutex);
return -EINVAL;
}
memset(&req, 0x0, sizeof(req));
#if RGA_DEBUGFS
if (RGA_TEST_MSG)
DBG("cmd is %s(0x%x)\n", rga_get_cmd_mode_str(cmd), cmd);
if (RGA_NONUSE) {
mutex_unlock(&rga_service.mutex);
return 0;
}
#endif
switch (cmd) {
case RGA_BLIT_SYNC:
if (unlikely(copy_from_user(&req, (struct rga_req*)arg, sizeof(struct rga_req))))
{
ERR("copy_from_user failed\n");
ret = -EFAULT;
break;
}
ret = rga_blit_sync(session, &req);
break;
case RGA_BLIT_ASYNC:
if (unlikely(copy_from_user(&req, (struct rga_req*)arg, sizeof(struct rga_req))))
{
ERR("copy_from_user failed\n");
ret = -EFAULT;
break;
}
if((atomic_read(&rga_service.total_running) > 16))
{
ret = rga_blit_sync(session, &req);
}
else
{
ret = rga_blit_async(session, &req);
}
break;
case RGA_FLUSH:
ret = rga_flush(session, arg);
break;
case RGA_GET_RESULT:
ret = rga_get_result(session, arg);
break;
case RGA_GET_VERSION:
if (!rga_drvdata->version) {
rga_drvdata->version = kzalloc(16, GFP_KERNEL);
if (!rga_drvdata->version) {
ret = -ENOMEM;
break;
}
rga_power_on();
udelay(1);
if (rga_read(RGA_VERSION) == 0x02018632)
snprintf(rga_drvdata->version, 16, "1.6");
else
snprintf(rga_drvdata->version, 16, "1.003");
}
ret = copy_to_user((void *)arg, rga_drvdata->version, 16);
break;
default:
ret = -EINVAL;
break;
}
mutex_unlock(&rga_service.mutex);
return ret;
}
long rga_ioctl_kernel(struct rga_req *req)
{
int ret = 0;
if (!rga_ioctl_kernel_p) {
printk("rga_ioctl_kernel_p is NULL\n");
return -1;
}
else {
ret = (*rga_ioctl_kernel_p)(req);
return ret;
}
}
long rga_ioctl_kernel_imp(struct rga_req *req)
{
int ret = 0;
rga_session *session;
mutex_lock(&rga_service.mutex);
session = &rga_session_global;
if (NULL == session) {
printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
mutex_unlock(&rga_service.mutex);
return -EINVAL;
}
ret = rga_blit_sync(session, req);
mutex_unlock(&rga_service.mutex);
return ret;
}
static int rga_open(struct inode *inode, struct file *file)
{
rga_session *session = kzalloc(sizeof(rga_session), GFP_KERNEL);
if (NULL == session) {
pr_err("unable to allocate memory for rga_session.");
return -ENOMEM;
}
session->pid = current->pid;
//printk(KERN_DEBUG "+");
INIT_LIST_HEAD(&session->waiting);
INIT_LIST_HEAD(&session->running);
INIT_LIST_HEAD(&session->list_session);
init_waitqueue_head(&session->wait);
mutex_lock(&rga_service.lock);
list_add_tail(&session->list_session, &rga_service.session);
mutex_unlock(&rga_service.lock);
atomic_set(&session->task_running, 0);
atomic_set(&session->num_done, 0);
file->private_data = (void *)session;
//DBG("*** rga dev opened by pid %d *** \n", session->pid);
return nonseekable_open(inode, file);
}
static int rga_release(struct inode *inode, struct file *file)
{
int task_running;
rga_session *session = (rga_session *)file->private_data;
if (NULL == session)
return -EINVAL;
//printk(KERN_DEBUG "-");
task_running = atomic_read(&session->task_running);
if (task_running)
{
pr_err("rga_service session %d still has %d task running when closing\n", session->pid, task_running);
msleep(100);
}
wake_up(&session->wait);
mutex_lock(&rga_service.lock);
list_del(&session->list_session);
rga_service_session_clear(session);
kfree(session);
mutex_unlock(&rga_service.lock);
//DBG("*** rga dev close ***\n");
return 0;
}
static irqreturn_t rga_irq_thread(int irq, void *dev_id)
{
#if RGA_DEBUGFS
if (RGA_INT_FLAG)
DBG("irqthread INT[%x], STATS[%x]\n", rga_read(RGA_INT), rga_read(RGA_STATUS));
#endif
mutex_lock(&rga_service.lock);
if (rga_service.enable) {
rga_del_running_list();
rga_try_set_reg();
}
mutex_unlock(&rga_service.lock);
return IRQ_HANDLED;
}
static irqreturn_t rga_irq(int irq, void *dev_id)
{
#if RGA_DEBUGFS
if (RGA_INT_FLAG)
DBG("irq INT[%x], STATS[%x]\n", rga_read(RGA_INT), rga_read(RGA_STATUS));
#endif
/*if error interrupt then soft reset hardware*/
if (rga_read(RGA_INT) & 0x03) {
pr_err("Err irq INT[%x], STATS[%x]\n", rga_read(RGA_INT), rga_read(RGA_STATUS));
rga_soft_reset();
}
/*clear INT */
rga_write(rga_read(RGA_INT) | (0x1<<6) | (0x1<<7) | (0x1<<5) | (0x1<<4), RGA_INT);
return IRQ_WAKE_THREAD;
}
struct file_operations rga_fops = {
.owner = THIS_MODULE,
.open = rga_open,
.release = rga_release,
.unlocked_ioctl = rga_ioctl,
};
static struct miscdevice rga_dev ={
.minor = RGA_MAJOR,
.name = "rga",
.fops = &rga_fops,
};
#if defined(CONFIG_OF)
static const struct of_device_id rockchip_rga_dt_ids[] = {
{ .compatible = "rockchip,rk312x-rga", },
{},
};
#endif
static int rga_drv_probe(struct platform_device *pdev)
{
struct rga_drvdata *data;
struct resource *res;
//struct device_node *np = pdev->dev.of_node;
int ret = 0;
mutex_init(&rga_service.lock);
mutex_init(&rga_service.mutex);
atomic_set(&rga_service.total_running, 0);
rga_service.enable = false;
rga_ioctl_kernel_p = rga_ioctl_kernel_imp;
data = devm_kzalloc(&pdev->dev, sizeof(struct rga_drvdata), GFP_KERNEL);
if(! data) {
ERR("failed to allocate driver data.\n");
return -ENOMEM;
}
INIT_DELAYED_WORK(&data->power_off_work, rga_power_off_work);
wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))
data->pd_rga = devm_clk_get(&pdev->dev, "pd_rga");
if (IS_ERR(data->pd_rga)) {
dev_err(&pdev->dev, "Failed to get rga power domain");
data->pd_rga = NULL;
}
#endif
data->aclk_rga = devm_clk_get(&pdev->dev, "aclk_rga");
data->hclk_rga = devm_clk_get(&pdev->dev, "hclk_rga");
/* map the registers */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
data->rga_base = devm_ioremap_resource(&pdev->dev, res);
if (!data->rga_base) {
ERR("rga ioremap failed\n");
ret = -ENOENT;
goto err_ioremap;
}
/* get the IRQ */
data->irq = ret = platform_get_irq(pdev, 0);
if (ret <= 0) {
ERR("failed to get rga irq resource (%d).\n", data->irq);
ret = data->irq;
goto err_irq;
}
/* request the IRQ */
//ret = request_threaded_irq(data->irq, rga_irq, rga_irq_thread, 0, "rga", pdev);
ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga_irq, rga_irq_thread, 0, "rga", data);
if (ret)
{
ERR("rga request_irq failed (%d).\n", ret);
goto err_irq;
}
platform_set_drvdata(pdev, data);
data->dev = &pdev->dev;
rga_drvdata = data;
#if defined(CONFIG_ION_ROCKCHIP)
data->ion_client = rockchip_ion_client_create("rga");
if (IS_ERR(data->ion_client)) {
dev_err(&pdev->dev, "failed to create ion client for rga");
return PTR_ERR(data->ion_client);
} else {
dev_info(&pdev->dev, "rga ion client create success!\n");
}
#endif
ret = misc_register(&rga_dev);
if(ret)
{
ERR("cannot register miscdev (%d)\n", ret);
goto err_misc_register;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
pm_runtime_enable(&pdev->dev);
#endif
pr_info("Driver loaded successfully\n");
return 0;
err_misc_register:
free_irq(data->irq, pdev);
err_irq:
iounmap(data->rga_base);
err_ioremap:
wake_lock_destroy(&data->wake_lock);
//kfree(data);
return ret;
}
static int rga_drv_remove(struct platform_device *pdev)
{
struct rga_drvdata *data = platform_get_drvdata(pdev);
DBG("%s [%d]\n",__FUNCTION__,__LINE__);
wake_lock_destroy(&data->wake_lock);
misc_deregister(&(data->miscdev));
free_irq(data->irq, &data->miscdev);
iounmap((void __iomem *)(data->rga_base));
kfree(data->version);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
devm_clk_put(&pdev->dev, data->aclk_rga);
devm_clk_put(&pdev->dev, data->hclk_rga);
pm_runtime_disable(&pdev->dev);
#else
if (data->pd_rga)
devm_clk_put(&pdev->dev, data->pd_rga);
devm_clk_put(&pdev->dev, data->aclk_rga);
devm_clk_put(&pdev->dev, data->hclk_rga);
#endif
//clk_put(data->pd_rga);
//kfree(data);
return 0;
}
static struct platform_driver rga_driver = {
.probe = rga_drv_probe,
.remove = rga_drv_remove,
.driver = {
.owner = THIS_MODULE,
.name = "rga",
.of_match_table = of_match_ptr(rockchip_rga_dt_ids),
},
};
#if RGA_DEBUGFS
void rga_slt(void);
static int rga_debug_show(struct seq_file *m, void *data)
{
seq_puts(m, "echo reg > rga to open rga reg MSG\n");
seq_puts(m, "echo msg > rga to open rga msg MSG\n");
seq_puts(m, "echo time > rga to open rga time MSG\n");
seq_puts(m, "echo check > rga to open rga check flag\n");
seq_puts(m, "echo int > rga to open rga int flag\n");
seq_puts(m, "echo stop > rga to stop using hardware\n");
return 0;
}
static ssize_t rga_debug_write(struct file *file, const char __user *ubuf,
size_t len, loff_t *offp)
{
char buf[14];
if (len > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, ubuf, len))
return -EFAULT;
buf[len - 1] = '\0';
if (strncmp(buf, "reg", 4) == 0) {
if (RGA_TEST_REG) {
RGA_TEST_REG = 0;
DBG("close rga reg!\n");
} else {
RGA_TEST_REG = 1;
DBG("open rga reg!\n");
}
} else if (strncmp(buf, "msg", 3) == 0) {
if (RGA_TEST_MSG) {
RGA_TEST_MSG = 0;
DBG("close rga test MSG!\n");
} else {
RGA_TEST_MSG = 1;
DBG("open rga test MSG!\n");
}
} else if (strncmp(buf, "time", 4) == 0) {
if (RGA_TEST_TIME) {
RGA_TEST_TIME = 0;
DBG("close rga test time!\n");
} else {
RGA_TEST_TIME = 1;
DBG("open rga test time!\n");
}
} else if (strncmp(buf, "check", 5) == 0) {
if (RGA_CHECK_MODE) {
RGA_CHECK_MODE = 0;
DBG("close rga check mode!\n");
} else {
RGA_CHECK_MODE = 1;
DBG("open rga check mode!\n");
}
} else if (strncmp(buf, "stop", 4) == 0) {
if (RGA_NONUSE) {
RGA_NONUSE = 0;
DBG("stop using rga hardware!\n");
} else {
RGA_NONUSE = 1;
DBG("use rga hardware!\n");
}
} else if (strncmp(buf, "int", 3) == 0) {
if (RGA_INT_FLAG) {
RGA_INT_FLAG = 0;
DBG("close rga interuppt mesg!\n");
} else {
RGA_INT_FLAG = 1;
DBG("open rga interuppt mesg!\n");
}
} else if (strncmp(buf, "slt", 3) == 0) {
rga_slt();
}
return len;
}
static int rga_debug_open(struct inode *inode, struct file *file)
{
return single_open(file, rga_debug_show, NULL);
}
static const struct file_operations rga_debug_fops = {
.owner = THIS_MODULE,
.open = rga_debug_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = rga_debug_write,
};
static void rga_debugfs_add(void)
{
struct dentry *rga_debug_root;
struct dentry *ent;
rga_debug_root = debugfs_create_dir("rga_debug", NULL);
ent = debugfs_create_file("rga", 0644, rga_debug_root,
NULL, &rga_debug_fops);
if (!ent) {
pr_err("create rga_debugfs err\n");
debugfs_remove_recursive(rga_debug_root);
}
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))
void rga_slt(void)
{
struct rga_req req;
rga_session session;
void *src_vir, *dst_vir;
unsigned int *src, *dst;
ion_phys_addr_t src_phy, dst_phy;
int i;
unsigned int srcW, srcH, dstW, dstH;
struct ion_handle *src_handle;
struct ion_handle *dst_handle;
struct rga_drvdata *data;
unsigned int srclen, dstlen;
int err_count = 0;
int right_count = 0;
int size;
unsigned int *pstd;
unsigned int *pnow;
data = rga_drvdata;
srcW = 1280;
srcH = 720;
dstW = 1280;
dstH = 720;
src_handle = ion_alloc(data->ion_client, (size_t)srcW * srcH * 4, 0,
ION_HEAP(ION_CMA_HEAP_ID), 0);
dst_handle = ion_alloc(data->ion_client, (size_t)dstW * dstH * 4, 0,
ION_HEAP(ION_CMA_HEAP_ID), 0);
session.pid = current->pid;
INIT_LIST_HEAD(&session.waiting);
INIT_LIST_HEAD(&session.running);
INIT_LIST_HEAD(&session.list_session);
init_waitqueue_head(&session.wait);
/* no need to protect */
list_add_tail(&session.list_session, &rga_service.session);
atomic_set(&session.task_running, 0);
atomic_set(&session.num_done, 0);
src_vir = ion_map_kernel(data->ion_client, src_handle);
dst_vir = ion_map_kernel(data->ion_client, dst_handle);
ion_phys(data->ion_client, src_handle, &src_phy, &srclen);
ion_phys(data->ion_client, dst_handle, &dst_phy, &dstlen);
memset(&req, 0, sizeof(struct rga_req));
src = (unsigned int *)src_vir;
dst = (unsigned int *)dst_vir;
memset(src_vir, 0x80, srcW * srcH * 4);
DBG("\n********************************\n");
DBG("************ RGA_TEST ************\n");
DBG("********************************\n\n");
req.src.act_w = srcW;
req.src.act_h = srcH;
req.src.vir_w = srcW;
req.src.vir_h = srcW;
req.src.yrgb_addr = 0;
req.src.uv_addr = src_phy;
req.src.v_addr = src_phy + srcH * srcW;
req.src.format = RK_FORMAT_RGBA_8888;
req.dst.act_w = dstW;
req.dst.act_h = dstH;
req.dst.vir_w = dstW;
req.dst.vir_h = dstH;
req.dst.x_offset = 0;
req.dst.y_offset = 0;
req.dst.yrgb_addr = 0;
req.dst.uv_addr = dst_phy;
req.dst.v_addr = dst_phy + dstH * dstW;
req.dst.format = RK_FORMAT_RGBA_8888;
req.clip.xmin = 0;
req.clip.xmax = dstW - 1;
req.clip.ymin = 0;
req.clip.ymax = dstH - 1;
rga_blit_sync(&session, &req);
size = dstW * dstH * 4;
pstd = (unsigned int *)src_vir;
pnow = (unsigned int *)dst_vir;
DBG("[ num : srcInfo dstInfo ]\n");
for (i = 0; i < size / 4; i++) {
if (*pstd != *pnow) {
DBG("[X%.8d:0x%x 0x%x]", i, *pstd, *pnow);
if (i % 4 == 0)
DBG("\n");
err_count++;
} else {
if (i % (640 * 1024) == 0)
DBG("[Y%.8d:0x%.8x 0x%.8x]\n", i,
*pstd, *pnow);
right_count++;
}
pstd++;
pnow++;
if (err_count > 64)
break;
}
DBG("err_count=%d,right_count=%d\n", err_count, right_count);
if (err_count != 0)
DBG("rga slt err !!\n");
else
DBG("rga slt success !!\n");
ion_unmap_kernel(data->ion_client, src_handle);
ion_unmap_kernel(data->ion_client, dst_handle);
ion_free(data->ion_client, src_handle);
ion_free(data->ion_client, dst_handle);
}
#else
unsigned long src1_buf[400 * 200];
unsigned long dst1_buf[400 * 200];
void rga_slt(void)
{
struct rga_req req;
rga_session session;
unsigned long *src_vir, *dst_vir;
int i;
unsigned int srcW, srcH, dstW, dstH;
int err_count = 0;
int right_count = 0;
int size;
unsigned int *pstd;
unsigned int *pnow;
srcW = 400;
srcH = 200;
dstW = 400;
dstH = 200;
session.pid = current->pid;
INIT_LIST_HEAD(&session.waiting);
INIT_LIST_HEAD(&session.running);
INIT_LIST_HEAD(&session.list_session);
init_waitqueue_head(&session.wait);
/* no need to protect */
list_add_tail(&session.list_session, &rga_service.session);
atomic_set(&session.task_running, 0);
atomic_set(&session.num_done, 0);
memset(&req, 0, sizeof(struct rga_req));
src_vir = src1_buf;
dst_vir = dst1_buf;
memset(src1_buf, 0x50, 400 * 200 * 4);
memset(dst1_buf, 0x00, 400 * 200 * 4);
rga_dma_flush_range(&src1_buf[0], &src1_buf[400 * 200]);
DBG("\n********************************\n");
DBG("************ RGA_TEST ************\n");
DBG("********************************\n\n");
req.src.act_w = srcW;
req.src.act_h = srcH;
req.src.vir_w = srcW;
req.src.vir_h = srcW;
req.src.yrgb_addr = 0;
req.src.uv_addr = (unsigned long)virt_to_phys(src_vir);
req.src.v_addr = req.src.uv_addr + srcH * srcW;
req.src.format = RK_FORMAT_RGBA_8888;
req.dst.act_w = dstW;
req.dst.act_h = dstH;
req.dst.vir_w = dstW;
req.dst.vir_h = dstH;
req.dst.x_offset = 0;
req.dst.y_offset = 0;
req.dst.yrgb_addr = 0;
req.dst.uv_addr = (unsigned long)virt_to_phys(dst_vir);
req.dst.v_addr = req.dst.uv_addr + dstH * dstW;
req.dst.format = RK_FORMAT_RGBA_8888;
rga_blit_sync(&session, &req);
size = dstW * dstH * 4;
pstd = (unsigned int *)src_vir;
pnow = (unsigned int *)dst_vir;
DBG("[ num : srcInfo dstInfo ]\n");
for (i = 0; i < size / 4; i++) {
if (*pstd != *pnow) {
DBG("[X%.8d:0x%x 0x%x]", i, *pstd, *pnow);
if (i % 4 == 0)
DBG("\n");
err_count++;
} else {
if (i % (640 * 1024) == 0)
DBG("[Y%.8d:0x%.8x 0x%.8x]\n", i,
*pstd, *pnow);
right_count++;
}
pstd++;
pnow++;
if (err_count > 64)
break;
}
DBG("err_count=%d, right_count=%d\n", err_count, right_count);
if (err_count != 0)
DBG("rga slt err !!\n");
else
DBG("rga slt success !!\n");
}
#endif
#endif
void rga_test_0(void);
void rga_test_1(void);
static int __init rga_init(void)
{
int i, ret;
void * pre_scale_page_buf;
uint32_t *pre_scale_page_table;
uint32_t *mmu_base;
struct page **pages;
/* malloc pre scale mid buf mmu table */
pre_scale_page_table = kzalloc(RGA_PRE_SCALE_PAGE_SIZE * sizeof(*pre_scale_page_table),
GFP_KERNEL);
if(pre_scale_page_table == NULL) {
pr_err("RGA alloc pre-scale page table failed.\n");
return -ENOMEM;
}
/* alloc reserved pre-scale buf */
for(i = 0; i < RGA_PRE_SCALE_PAGE_SIZE; i++) {
pre_scale_page_buf = (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
if(pre_scale_page_buf == NULL) {
printk(KERN_ERR "RGA init pre scale page_table[%d] falied\n", i);
ret = -ENOMEM;
goto free_pre_scale_page_table;
}
pre_scale_page_table[i] = (uint32_t)virt_to_phys(pre_scale_page_buf);
}
mmu_base = kmalloc(1024 * 256, GFP_KERNEL);
if (mmu_base == NULL) {
pr_err("RGA alloc mmu buffer failed.\n");
ret = -ENOMEM;
goto free_pre_scale_page_table;
}
pages = kmalloc((32768)* sizeof(struct page *), GFP_KERNEL);
if (pages == NULL) {
pr_err("RGA alloc pages buffer failed.\n");
ret = -ENOMEM;
goto free_mmu_base;
}
ret = platform_driver_register(&rga_driver);
if (ret != 0) {
printk(KERN_ERR "Platform device register failed (%d).\n", ret);
goto free_pages_buf;
}
rga_service.pre_scale_buf = pre_scale_page_table;
rga_mmu_buf.buf_virtual = mmu_base;
#if (defined(CONFIG_ARM) && defined(CONFIG_ARM_LPAE))
rga_mmu_buf.buf = (uint32_t *)(uint32_t)virt_to_phys((void *)((unsigned long)mmu_base));
#else
rga_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((unsigned long)mmu_base));
#endif
rga_mmu_buf.front = 0;
rga_mmu_buf.back = 64*1024;
rga_mmu_buf.size = 64*1024;
rga_mmu_buf.pages = pages;
rga_session_global.pid = 0x0000ffff;
INIT_LIST_HEAD(&rga_session_global.waiting);
INIT_LIST_HEAD(&rga_session_global.running);
INIT_LIST_HEAD(&rga_session_global.list_session);
INIT_LIST_HEAD(&rga_service.waiting);
INIT_LIST_HEAD(&rga_service.running);
INIT_LIST_HEAD(&rga_service.done);
INIT_LIST_HEAD(&rga_service.session);
init_waitqueue_head(&rga_session_global.wait);
//mutex_lock(&rga_service.lock);
list_add_tail(&rga_session_global.list_session, &rga_service.session);
//mutex_unlock(&rga_service.lock);
atomic_set(&rga_session_global.task_running, 0);
atomic_set(&rga_session_global.num_done, 0);
#if RGA_TEST_CASE
rga_test_0();
#endif
#if RGA_DEBUGFS
rga_debugfs_add();
#endif
INFO("RGA Module initialized.\n");
return 0;
free_pages_buf:
kfree(pages);
free_mmu_base:
kfree(mmu_base);
free_pre_scale_page_table:
for (i = 0; i < RGA_PRE_SCALE_PAGE_SIZE; i++)
if (pre_scale_page_table[i] != 0)
kfree(phys_to_virt((phys_addr_t)pre_scale_page_table[i]));
kfree(pre_scale_page_table);
return ret;
}
static void __exit rga_exit(void)
{
phys_addr_t pre_scale_buf;
rga_power_off();
if (rga_service.pre_scale_buf != NULL) {
pre_scale_buf = (phys_addr_t)rga_service.pre_scale_buf[0];
if (pre_scale_buf)
kfree(phys_to_virt(pre_scale_buf));
kfree(rga_service.pre_scale_buf);
}
kfree(rga_mmu_buf.buf_virtual);
kfree(rga_mmu_buf.pages);
platform_driver_unregister(&rga_driver);
}
#if RGA_TEST_CASE
extern struct fb_info * rk_get_fb(int fb_id);
EXPORT_SYMBOL(rk_get_fb);
extern void rk_direct_fb_show(struct fb_info * fbi);
EXPORT_SYMBOL(rk_direct_fb_show);
unsigned int src_buf[1920*1080];
unsigned int dst_buf[1920*1080];
//unsigned int tmp_buf[1920*1080 * 2];
void rga_test_0(void)
{
struct rga_req req;
rga_session session;
unsigned int *src, *dst;
uint32_t i, j;
uint8_t *p;
uint8_t t;
uint32_t *dst0, *dst1, *dst2;
struct fb_info *fb;
session.pid = current->pid;
INIT_LIST_HEAD(&session.waiting);
INIT_LIST_HEAD(&session.running);
INIT_LIST_HEAD(&session.list_session);
init_waitqueue_head(&session.wait);
/* no need to protect */
list_add_tail(&session.list_session, &rga_service.session);
atomic_set(&session.task_running, 0);
atomic_set(&session.num_done, 0);
//file->private_data = (void *)session;
fb = rk_get_fb(0);
memset(&req, 0, sizeof(struct rga_req));
src = src_buf;
dst = dst_buf;
memset(src_buf, 0x80, 1024*600*4);
dmac_flush_range(&src_buf[0], &src_buf[1024*600]);
outer_flush_range(virt_to_phys(&src_buf[0]),virt_to_phys(&src_buf[1024*600]));
#if 0
memset(src_buf, 0x80, 800*480*4);
memset(dst_buf, 0xcc, 800*480*4);
dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
#endif
dst0 = &dst_buf[0];
//dst1 = &dst_buf[1280*800*4];
//dst2 = &dst_buf[1280*800*4*2];
i = j = 0;
printk("\n********************************\n");
printk("************ RGA_TEST ************\n");
printk("********************************\n\n");
req.src.act_w = 1024;
req.src.act_h = 600;
req.src.vir_w = 1024;
req.src.vir_h = 600;
req.src.yrgb_addr = (uint32_t)virt_to_phys(src);
req.src.uv_addr = (uint32_t)(req.src.yrgb_addr + 1080*1920);
req.src.v_addr = (uint32_t)virt_to_phys(src);
req.src.format = RK_FORMAT_RGBA_8888;
req.dst.act_w = 600;
req.dst.act_h = 352;
req.dst.vir_w = 1280;
req.dst.vir_h = 800;
req.dst.x_offset = 600;
req.dst.y_offset = 0;
dst = dst0;
req.dst.yrgb_addr = ((uint32_t)virt_to_phys(dst));
//req.dst.format = RK_FORMAT_RGB_565;
req.clip.xmin = 0;
req.clip.xmax = 1279;
req.clip.ymin = 0;
req.clip.ymax = 799;
//req.render_mode = color_fill_mode;
//req.fg_color = 0x80ffffff;
req.rotate_mode = 1;
//req.scale_mode = 2;
//req.alpha_rop_flag = 0;
//req.alpha_rop_mode = 0x19;
//req.PD_mode = 3;
req.sina = 65536;
req.cosa = 0;
//req.mmu_info.mmu_flag = 0x21;
//req.mmu_info.mmu_en = 1;
//printk("src = %.8x\n", req.src.yrgb_addr);
//printk("src = %.8x\n", req.src.uv_addr);
//printk("dst = %.8x\n", req.dst.yrgb_addr);
rga_blit_sync(&session, &req);
#if 1
fb->var.bits_per_pixel = 32;
fb->var.xres = 1280;
fb->var.yres = 800;
fb->var.red.length = 8;
fb->var.red.offset = 0;
fb->var.red.msb_right = 0;
fb->var.green.length = 8;
fb->var.green.offset = 8;
fb->var.green.msb_right = 0;
fb->var.blue.length = 8;
fb->var.blue.offset = 16;
fb->var.blue.msb_right = 0;
fb->var.transp.length = 8;
fb->var.transp.offset = 24;
fb->var.transp.msb_right = 0;
fb->var.nonstd &= (~0xff);
fb->var.nonstd |= 1;
fb->fix.smem_start = virt_to_phys(dst);
rk_direct_fb_show(fb);
#endif
}
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
fs_initcall(rga_init);
#else
module_init(rga_init);
#endif
module_exit(rga_exit);
/* Module information */
MODULE_AUTHOR("zsq@rock-chips.com");
MODULE_DESCRIPTION("Driver for rga device");
MODULE_LICENSE("GPL");
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