-/*\r
- * Copyright (C) 2012 ROCKCHIP, Inc.\r
- *\r
- * This software is licensed under the terms of the GNU General Public\r
- * License version 2, as published by the Free Software Foundation, and\r
- * may be copied, distributed, and modified under those terms.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- */\r
-\r
-#define pr_fmt(fmt) "rga: " fmt\r
-#include <linux/kernel.h>\r
-#include <linux/init.h>\r
-#include <linux/module.h>\r
-#include <linux/platform_device.h>\r
-#include <linux/sched.h>\r
-#include <linux/mutex.h>\r
-#include <linux/err.h>\r
-#include <linux/clk.h>\r
-#include <asm/delay.h>\r
-#include <linux/dma-mapping.h>\r
-#include <linux/delay.h>\r
-#include <asm/io.h>\r
-#include <linux/irq.h>\r
-#include <linux/interrupt.h>\r
-//#include <mach/io.h>\r
-//#include <mach/irqs.h>\r
-#include <linux/fs.h>\r
-#include <asm/uaccess.h>\r
-#include <linux/miscdevice.h>\r
-#include <linux/poll.h>\r
-#include <linux/delay.h>\r
-#include <linux/wait.h>\r
-#include <linux/syscalls.h>\r
-#include <linux/timer.h>\r
-#include <linux/time.h>\r
-#include <asm/cacheflush.h>\r
-#include <linux/slab.h>\r
-#include <linux/fb.h>\r
-#include <linux/wakelock.h>\r
-\r
-#if defined(CONFIG_ION_ROCKCHIP)\r
-#include <linux/rockchip_ion.h>\r
-#endif\r
-\r
-\r
-#include "rga.h"\r
-#include "rga_reg_info.h"\r
-#include "rga_mmu_info.h"\r
-#include "RGA_API.h"\r
-\r
-#define RGA_TEST_CASE 0\r
-\r
-#define RGA_TEST 0\r
-#define RGA_TEST_TIME 0\r
-#define RGA_TEST_FLUSH_TIME 0\r
-#define RGA_INFO_BUS_ERROR 1\r
-\r
-#define PRE_SCALE_BUF_SIZE 2048*1024*4\r
-\r
-#define RGA_POWER_OFF_DELAY 4*HZ /* 4s */\r
-#define RGA_TIMEOUT_DELAY 2*HZ /* 2s */\r
-\r
-#define RGA_MAJOR 255\r
-\r
-#if defined(CONFIG_ARCH_RK2928) || defined(CONFIG_ARCH_RK3026)\r
-#define RK30_RGA_PHYS RK2928_RGA_PHYS\r
-#define RK30_RGA_SIZE RK2928_RGA_SIZE\r
-#endif\r
-#define RGA_RESET_TIMEOUT 1000\r
-\r
-/* Driver information */\r
-#define DRIVER_DESC "RGA Device Driver"\r
-#define DRIVER_NAME "rga"\r
-\r
-#define RGA_VERSION "1.003"\r
-\r
-ktime_t rga_start;\r
-ktime_t rga_end;\r
-\r
-rga_session rga_session_global;\r
-\r
-long (*rga_ioctl_kernel_p)(struct rga_req *);\r
-\r
-\r
-struct rga_drvdata {\r
- struct miscdevice miscdev;\r
- struct device dev;\r
- void *rga_base;\r
- int irq;\r
-\r
- struct delayed_work power_off_work;\r
- void (*rga_irq_callback)(int rga_retval); //callback function used by aync call\r
- struct wake_lock wake_lock;\r
-\r
- struct clk *pd_rga;\r
- struct clk *aclk_rga;\r
- struct clk *hclk_rga;\r
-\r
- //#if defined(CONFIG_ION_ROCKCHIP)\r
- struct ion_client * ion_client;\r
- //#endif\r
-};\r
-\r
-static struct rga_drvdata *drvdata;\r
-rga_service_info rga_service;\r
-struct rga_mmu_buf_t rga_mmu_buf;\r
-\r
-\r
-#if defined(CONFIG_ION_ROCKCHIP)\r
-extern struct ion_client *rockchip_ion_client_create(const char * name);\r
-#endif\r
-\r
-static int rga_blit_async(rga_session *session, struct rga_req *req);\r
-static void rga_del_running_list(void);\r
-static void rga_del_running_list_timeout(void);\r
-static void rga_try_set_reg(void);\r
-\r
-\r
-/* Logging */\r
-#define RGA_DEBUG 1\r
-#if RGA_DEBUG\r
-#define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)\r
-#define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)\r
-#define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)\r
-#define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)\r
-#else\r
-#define DBG(format, args...)\r
-#define ERR(format, args...)\r
-#define WARNING(format, args...)\r
-#define INFO(format, args...)\r
-#endif\r
-\r
-#if RGA_TEST\r
-static void print_info(struct rga_req *req)\r
-{\r
- printk("src : yrgb_addr = %.8x, src.uv_addr = %.8x, src.v_addr = %.8x, format = %d\n",\r
- req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format);\r
- printk("src : act_w = %d, act_h = %d, vir_w = %d, vir_h = %d\n",\r
- req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h);\r
- printk("src : x_off = %.8x y_off = %.8x\n", req->src.x_offset, req->src.y_offset);\r
-\r
- printk("dst : yrgb_addr = %.8x, dst.uv_addr = %.8x, dst.v_addr = %.8x, format = %d\n",\r
- req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format);\r
- printk("dst : x_off = %.8x y_off = %.8x\n", req->dst.x_offset, req->dst.y_offset);\r
- printk("dst : act_w = %d, act_h = %d, vir_w = %d, vir_h = %d\n",\r
- req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h);\r
-\r
- printk("clip.xmin = %d, clip.xmax = %d. clip.ymin = %d, clip.ymax = %d\n",\r
- req->clip.xmin, req->clip.xmax, req->clip.ymin, req->clip.ymax);\r
-\r
- printk("mmu_flag = %.8x\n", req->mmu_info.mmu_flag);\r
-\r
- //printk("alpha_rop_flag = %.8x\n", req->alpha_rop_flag);\r
- //printk("alpha_rop_mode = %.8x\n", req->alpha_rop_mode);\r
- //printk("PD_mode = %.8x\n", req->PD_mode);\r
-}\r
-#endif\r
-\r
-\r
-static inline void rga_write(u32 b, u32 r)\r
-{\r
- __raw_writel(b, drvdata->rga_base + r);\r
-}\r
-\r
-static inline u32 rga_read(u32 r)\r
-{\r
- return __raw_readl(drvdata->rga_base + r);\r
-}\r
-\r
-static void rga_soft_reset(void)\r
-{\r
- u32 i;\r
- u32 reg;\r
-\r
- rga_write(1, RGA_SYS_CTRL); //RGA_SYS_CTRL\r
-\r
- for(i = 0; i < RGA_RESET_TIMEOUT; i++)\r
- {\r
- reg = rga_read(RGA_SYS_CTRL) & 1; //RGA_SYS_CTRL\r
-\r
- if(reg == 0)\r
- break;\r
-\r
- udelay(1);\r
- }\r
-\r
- if(i == RGA_RESET_TIMEOUT)\r
- ERR("soft reset timeout.\n");\r
-}\r
-\r
-static void rga_dump(void)\r
-{\r
- int running;\r
- struct rga_reg *reg, *reg_tmp;\r
- rga_session *session, *session_tmp;\r
-\r
- running = atomic_read(&rga_service.total_running);\r
- printk("rga total_running %d\n", running);\r
-\r
- #if 0\r
-\r
- /* Dump waiting list info */\r
- if (!list_empty(&rga_service.waiting))\r
- {\r
- list_head *next;\r
-\r
- next = &rga_service.waiting;\r
-\r
- printk("rga_service dump waiting list\n");\r
-\r
- do\r
- {\r
- reg = list_entry(next->next, struct rga_reg, status_link);\r
- running = atomic_read(®->session->task_running);\r
- num_done = atomic_read(®->session->num_done);\r
- printk("rga session pid %d, done %d, running %d\n", reg->session->pid, num_done, running);\r
- next = next->next;\r
- }\r
- while(!list_empty(next));\r
- }\r
-\r
- /* Dump running list info */\r
- if (!list_empty(&rga_service.running))\r
- {\r
- printk("rga_service dump running list\n");\r
-\r
- list_head *next;\r
-\r
- next = &rga_service.running;\r
- do\r
- {\r
- reg = list_entry(next->next, struct rga_reg, status_link);\r
- running = atomic_read(®->session->task_running);\r
- num_done = atomic_read(®->session->num_done);\r
- printk("rga session pid %d, done %d, running %d:\n", reg->session->pid, num_done, running);\r
- next = next->next;\r
- }\r
- while(!list_empty(next));\r
- }\r
- #endif\r
-\r
- list_for_each_entry_safe(session, session_tmp, &rga_service.session, list_session)\r
- {\r
- printk("session pid %d:\n", session->pid);\r
- running = atomic_read(&session->task_running);\r
- printk("task_running %d\n", running);\r
- list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)\r
- {\r
- printk("waiting register set 0x%.8x\n", (unsigned int)reg);\r
- }\r
- list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)\r
- {\r
- printk("running register set 0x%.8x\n", (unsigned int)reg);\r
- }\r
- }\r
-}\r
-\r
-static inline void rga_queue_power_off_work(void)\r
-{\r
- queue_delayed_work(system_nrt_wq, &drvdata->power_off_work, RGA_POWER_OFF_DELAY);\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga_power_on(void)\r
-{\r
- static ktime_t last;\r
- ktime_t now = ktime_get();\r
-\r
- if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {\r
- cancel_delayed_work_sync(&drvdata->power_off_work);\r
- rga_queue_power_off_work();\r
- last = now;\r
- }\r
- if (rga_service.enable)\r
- return;\r
-\r
- clk_prepare_enable(drvdata->aclk_rga);\r
- clk_prepare_enable(drvdata->hclk_rga);\r
- //clk_prepare_enable(drvdata->pd_rga);\r
- wake_lock(&drvdata->wake_lock);\r
- rga_service.enable = true;\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga_power_off(void)\r
-{\r
- int total_running;\r
-\r
- if (!rga_service.enable) {\r
- return;\r
- }\r
-\r
- total_running = atomic_read(&rga_service.total_running);\r
- if (total_running) {\r
- pr_err("power off when %d task running!!\n", total_running);\r
- mdelay(50);\r
- pr_err("delay 50 ms for running task\n");\r
- rga_dump();\r
- }\r
-\r
- //clk_disable_unprepare(drvdata->pd_rga);\r
- clk_disable_unprepare(drvdata->aclk_rga);\r
- clk_disable_unprepare(drvdata->hclk_rga);\r
- wake_unlock(&drvdata->wake_lock);\r
- rga_service.enable = false;\r
-}\r
-\r
-static void rga_power_off_work(struct work_struct *work)\r
-{\r
- if (mutex_trylock(&rga_service.lock)) {\r
- rga_power_off();\r
- mutex_unlock(&rga_service.lock);\r
- } else {\r
- /* Come back later if the device is busy... */\r
- rga_queue_power_off_work();\r
- }\r
-}\r
-\r
-static int rga_flush(rga_session *session, unsigned long arg)\r
-{\r
- int ret = 0;\r
- int ret_timeout;\r
-\r
- #if RGA_TEST_FLUSH_TIME\r
- ktime_t start;\r
- ktime_t end;\r
- start = ktime_get();\r
- #endif\r
-\r
- ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA_TIMEOUT_DELAY);\r
-\r
- if (unlikely(ret_timeout < 0)) {\r
- //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);\r
- mutex_lock(&rga_service.lock);\r
- rga_del_running_list();\r
- mutex_unlock(&rga_service.lock);\r
- ret = ret_timeout;\r
- } else if (0 == ret_timeout) {\r
- //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));\r
- //printk("bus = %.8x\n", rga_read(RGA_INT));\r
- mutex_lock(&rga_service.lock);\r
- rga_del_running_list_timeout();\r
- rga_try_set_reg();\r
- mutex_unlock(&rga_service.lock);\r
- ret = -ETIMEDOUT;\r
- }\r
-\r
- #if RGA_TEST_FLUSH_TIME\r
- end = ktime_get();\r
- end = ktime_sub(end, start);\r
- printk("one flush wait time %d\n", (int)ktime_to_us(end));\r
- #endif\r
-\r
- return ret;\r
-}\r
-\r
-\r
-static int rga_get_result(rga_session *session, unsigned long arg)\r
-{\r
- //printk("rga_get_result %d\n",drvdata->rga_result);\r
-\r
- int ret = 0;\r
-\r
- int num_done;\r
-\r
- num_done = atomic_read(&session->num_done);\r
-\r
- if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {\r
- printk("copy_to_user failed\n");\r
- ret = -EFAULT;\r
- }\r
- return ret;\r
-}\r
-\r
-\r
-static int rga_check_param(const struct rga_req *req)\r
-{\r
- /*RGA can support up to 8192*8192 resolution in RGB format,but we limit the image size to 8191*8191 here*/\r
- //check src width and height\r
-\r
- if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))\r
- {\r
- if (unlikely((req->src.act_w <= 0) || (req->src.act_w > 8191) || (req->src.act_h <= 0) || (req->src.act_h > 8191)))\r
- {\r
- printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);\r
- return -EINVAL;\r
- }\r
- }\r
-\r
- if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))\r
- {\r
- if (unlikely((req->src.vir_w <= 0) || (req->src.vir_w > 8191) || (req->src.vir_h <= 0) || (req->src.vir_h > 8191)))\r
- {\r
- printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);\r
- return -EINVAL;\r
- }\r
- }\r
-\r
- //check dst width and height\r
- if (unlikely((req->dst.act_w <= 0) || (req->dst.act_w > 2048) || (req->dst.act_h <= 0) || (req->dst.act_h > 2048)))\r
- {\r
- printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);\r
- return -EINVAL;\r
- }\r
-\r
- if (unlikely((req->dst.vir_w <= 0) || (req->dst.vir_w > 4096) || (req->dst.vir_h <= 0) || (req->dst.vir_h > 2048)))\r
- {\r
- printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);\r
- return -EINVAL;\r
- }\r
-\r
- //check src_vir_w\r
- if(unlikely(req->src.vir_w < req->src.act_w)){\r
- printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);\r
- return -EINVAL;\r
- }\r
-\r
- //check dst_vir_w\r
- if(unlikely(req->dst.vir_w < req->dst.act_w)){\r
- if(req->rotate_mode != 1)\r
- {\r
- printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);\r
- return -EINVAL;\r
- }\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-static void rga_copy_reg(struct rga_reg *reg, uint32_t offset)\r
-{\r
- uint32_t i;\r
- uint32_t *cmd_buf;\r
- uint32_t *reg_p;\r
-\r
- if(atomic_read(®->session->task_running) != 0)\r
- {\r
- printk(KERN_ERR "task_running is no zero\n");\r
- }\r
-\r
- atomic_add(1, &rga_service.cmd_num);\r
- atomic_add(1, ®->session->task_running);\r
-\r
- cmd_buf = (uint32_t *)rga_service.cmd_buff + offset*32;\r
- reg_p = (uint32_t *)reg->cmd_reg;\r
-\r
- for(i=0; i<32; i++)\r
- {\r
- cmd_buf[i] = reg_p[i];\r
- }\r
-\r
- dsb();\r
-}\r
-\r
-\r
-static struct rga_reg * rga_reg_init(rga_session *session, struct rga_req *req)\r
-{\r
- int32_t ret;\r
- struct rga_reg *reg = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);\r
- if (NULL == reg) {\r
- pr_err("kmalloc fail in rga_reg_init\n");\r
- return NULL;\r
- }\r
-\r
- reg->session = session;\r
- INIT_LIST_HEAD(®->session_link);\r
- INIT_LIST_HEAD(®->status_link);\r
-\r
- reg->MMU_base = NULL;\r
-\r
- if (req->mmu_info.mmu_en)\r
- {\r
- ret = rga_set_mmu_info(reg, req);\r
- if(ret < 0)\r
- {\r
- printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);\r
- if(reg != NULL)\r
- {\r
- kfree(reg);\r
- }\r
- return NULL;\r
- }\r
- }\r
-\r
- if(RGA_gen_reg_info(req, (uint8_t *)reg->cmd_reg) == -1)\r
- {\r
- printk("gen reg info error\n");\r
- if(reg != NULL)\r
- {\r
- kfree(reg);\r
- }\r
- return NULL;\r
- }\r
-\r
- mutex_lock(&rga_service.lock);\r
- list_add_tail(®->status_link, &rga_service.waiting);\r
- list_add_tail(®->session_link, &session->waiting);\r
- mutex_unlock(&rga_service.lock);\r
-\r
- return reg;\r
-}\r
-\r
-static struct rga_reg * rga_reg_init_2(rga_session *session, struct rga_req *req0, struct rga_req *req1)\r
-{\r
- int32_t ret;\r
-\r
- struct rga_reg *reg0, *reg1;\r
-\r
- reg0 = NULL;\r
- reg1 = NULL;\r
-\r
- do\r
- {\r
- reg0 = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);\r
- if (NULL == reg0) {\r
- pr_err("%s [%d] kmalloc fail in rga_reg_init\n", __FUNCTION__, __LINE__);\r
- break;\r
- }\r
-\r
- reg1 = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);\r
- if (NULL == reg1) {\r
- pr_err("%s [%d] kmalloc fail in rga_reg_init\n", __FUNCTION__, __LINE__);\r
- break;\r
- }\r
-\r
- reg0->session = session;\r
- INIT_LIST_HEAD(®0->session_link);\r
- INIT_LIST_HEAD(®0->status_link);\r
-\r
- reg1->session = session;\r
- INIT_LIST_HEAD(®1->session_link);\r
- INIT_LIST_HEAD(®1->status_link);\r
-\r
- req0->mmu_info.mmu_flag &= (~(1 << 10));\r
-\r
- if(req0->mmu_info.mmu_en)\r
- {\r
- ret = rga_set_mmu_info(reg0, req0);\r
- if(ret < 0) {\r
- printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);\r
- break;\r
- }\r
- }\r
-\r
- RGA_gen_reg_info(req0, (uint8_t *)reg0->cmd_reg);\r
-\r
- req1->mmu_info.mmu_flag &= (~(1 << 8));\r
-\r
- if(req1->mmu_info.mmu_en)\r
- {\r
- ret = rga_set_mmu_info(reg1, req1);\r
- if(ret < 0) {\r
- printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);\r
- break;\r
- }\r
- }\r
-\r
- RGA_gen_reg_info(req1, (uint8_t *)reg1->cmd_reg);\r
-\r
- mutex_lock(&rga_service.lock);\r
- list_add_tail(®0->status_link, &rga_service.waiting);\r
- list_add_tail(®0->session_link, &session->waiting);\r
- list_add_tail(®1->status_link, &rga_service.waiting);\r
- list_add_tail(®1->session_link, &session->waiting);\r
- mutex_unlock(&rga_service.lock);\r
-\r
- return reg1;\r
- }\r
- while(0);\r
-\r
- if(reg0 != NULL) {\r
- kfree(reg0);\r
- }\r
-\r
- if(reg1 != NULL) {\r
- kfree(reg1);\r
- }\r
-\r
- return NULL;\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga_reg_deinit(struct rga_reg *reg)\r
-{\r
- list_del_init(®->session_link);\r
- list_del_init(®->status_link);\r
- kfree(reg);\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga_reg_from_wait_to_run(struct rga_reg *reg)\r
-{\r
- list_del_init(®->status_link);\r
- list_add_tail(®->status_link, &rga_service.running);\r
-\r
- list_del_init(®->session_link);\r
- list_add_tail(®->session_link, ®->session->running);\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga_service_session_clear(rga_session *session)\r
-{\r
- struct rga_reg *reg, *n;\r
-\r
- list_for_each_entry_safe(reg, n, &session->waiting, session_link)\r
- {\r
- rga_reg_deinit(reg);\r
- }\r
-\r
- list_for_each_entry_safe(reg, n, &session->running, session_link)\r
- {\r
- rga_reg_deinit(reg);\r
- }\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga_try_set_reg(void)\r
-{\r
- struct rga_reg *reg ;\r
-\r
- if (list_empty(&rga_service.running))\r
- {\r
- if (!list_empty(&rga_service.waiting))\r
- {\r
- /* RGA is idle */\r
- reg = list_entry(rga_service.waiting.next, struct rga_reg, status_link);\r
-\r
- rga_power_on();\r
- udelay(1);\r
-\r
- rga_copy_reg(reg, 0);\r
- rga_reg_from_wait_to_run(reg);\r
-\r
- dmac_flush_range(&rga_service.cmd_buff[0], &rga_service.cmd_buff[28]);\r
- outer_flush_range(virt_to_phys(&rga_service.cmd_buff[0]),virt_to_phys(&rga_service.cmd_buff[28]));\r
-\r
- #if defined(CONFIG_ARCH_RK30)\r
- rga_soft_reset();\r
- #endif\r
-\r
- rga_write(0x0, RGA_SYS_CTRL);\r
- rga_write(0, RGA_MMU_CTRL);\r
-\r
- /* CMD buff */\r
- rga_write(virt_to_phys(rga_service.cmd_buff), RGA_CMD_ADDR);\r
-\r
-#if RGA_TEST\r
- {\r
- //printk(KERN_DEBUG "cmd_addr = %.8x\n", rga_read(RGA_CMD_ADDR));\r
- uint32_t i;\r
- uint32_t *p;\r
- p = rga_service.cmd_buff;\r
- printk("CMD_REG\n");\r
- for (i=0; i<7; i++)\r
- printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);\r
- printk("%.8x %.8x\n", p[0 + i*4], p[1+i*4]);\r
- }\r
-#endif\r
-\r
- /* master mode */\r
- rga_write((0x1<<2)|(0x1<<3), RGA_SYS_CTRL);\r
-\r
- /* All CMD finish int */\r
- rga_write(rga_read(RGA_INT)|(0x1<<10)|(0x1<<8), RGA_INT);\r
-\r
- #if RGA_TEST_TIME\r
- rga_start = ktime_get();\r
- #endif\r
-\r
- /* Start proc */\r
- atomic_set(®->session->done, 0);\r
- rga_write(0x1, RGA_CMD_CTRL);\r
-\r
-#if RGA_TEST\r
- {\r
- uint32_t i;\r
- printk("CMD_READ_BACK_REG\n");\r
- for (i=0; i<7; i++)\r
- printk("%.8x %.8x %.8x %.8x\n", rga_read(0x100 + i*16 + 0),\r
- rga_read(0x100 + i*16 + 4), rga_read(0x100 + i*16 + 8), rga_read(0x100 + i*16 + 12));\r
- printk("%.8x %.8x\n", rga_read(0x100 + i*16 + 0), rga_read(0x100 + i*16 + 4));\r
- }\r
-#endif\r
- }\r
- }\r
-}\r
-\r
-\r
-\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga_del_running_list(void)\r
-{\r
- struct rga_reg *reg;\r
-\r
- while(!list_empty(&rga_service.running))\r
- {\r
- reg = list_entry(rga_service.running.next, struct rga_reg, status_link);\r
-\r
- if(reg->MMU_len != 0)\r
- {\r
- if (rga_mmu_buf.back + reg->MMU_len > 2*rga_mmu_buf.size)\r
- rga_mmu_buf.back = reg->MMU_len + rga_mmu_buf.size;\r
- else\r
- rga_mmu_buf.back += reg->MMU_len;\r
- }\r
-\r
- atomic_sub(1, ®->session->task_running);\r
- atomic_sub(1, &rga_service.total_running);\r
-\r
- if(list_empty(®->session->waiting))\r
- {\r
- atomic_set(®->session->done, 1);\r
- wake_up(®->session->wait);\r
- }\r
-\r
- rga_reg_deinit(reg);\r
- }\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga_del_running_list_timeout(void)\r
-{\r
- struct rga_reg *reg;\r
-\r
- while(!list_empty(&rga_service.running))\r
- {\r
- reg = list_entry(rga_service.running.next, struct rga_reg, status_link);\r
-\r
- if(reg->MMU_base != NULL)\r
- {\r
- kfree(reg->MMU_base);\r
- }\r
-\r
- atomic_sub(1, ®->session->task_running);\r
- atomic_sub(1, &rga_service.total_running);\r
-\r
- //printk("RGA soft reset for timeout process\n");\r
- rga_soft_reset();\r
-\r
-\r
- #if 0\r
- printk("RGA_INT is %.8x\n", rga_read(RGA_INT));\r
- printk("reg->session->task_running = %d\n", atomic_read(®->session->task_running));\r
- printk("rga_service.total_running = %d\n", atomic_read(&rga_service.total_running));\r
-\r
- print_info(®->req);\r
-\r
- {\r
- uint32_t *p, i;\r
- p = reg->cmd_reg;\r
- for (i=0; i<7; i++)\r
- printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);\r
-\r
- }\r
- #endif\r
-\r
- if(list_empty(®->session->waiting))\r
- {\r
- atomic_set(®->session->done, 1);\r
- wake_up(®->session->wait);\r
- }\r
-\r
- rga_reg_deinit(reg);\r
- }\r
-}\r
-\r
-\r
-static void rga_mem_addr_sel(struct rga_req *req)\r
-{\r
- switch(req->src.format)\r
- {\r
- case RK_FORMAT_YCbCr_422_SP:\r
- break;\r
- case RK_FORMAT_YCbCr_422_P :\r
- break;\r
- case RK_FORMAT_YCbCr_420_SP :\r
- if((req->src.yrgb_addr > 0xc0000000) && (req->src.uv_addr > 0xc0000000)\r
- && (req->dst.yrgb_addr > 0xc0000000))\r
- {\r
- req->src.yrgb_addr = req->src.yrgb_addr - 0x60000000;\r
- req->src.uv_addr = req->src.uv_addr - 0x60000000;\r
- req->dst.yrgb_addr = req->dst.yrgb_addr - 0x60000000;\r
- req->mmu_info.mmu_en = 0;\r
- req->mmu_info.mmu_flag &= 0xfffe;\r
- }\r
- break;\r
- case RK_FORMAT_YCbCr_420_P :\r
- break;\r
- case RK_FORMAT_YCrCb_422_SP :\r
- break;\r
- case RK_FORMAT_YCrCb_422_P :\r
- break;\r
- case RK_FORMAT_YCrCb_420_SP :\r
- break;\r
- case RK_FORMAT_YCrCb_420_P :\r
- break;\r
- default :\r
- break;\r
- }\r
-\r
-}\r
-\r
-static int rga_convert_dma_buf(struct rga_req *req)\r
-{\r
- struct ion_handle *hdl;\r
- ion_phys_addr_t phy_addr;\r
- size_t len;\r
- int ret;\r
-\r
- req->sg_src = NULL;\r
- req->sg_dst = NULL;\r
-\r
- if(req->src.yrgb_addr) {\r
- hdl = ion_import_dma_buf(drvdata->ion_client, req->src.yrgb_addr);\r
- if (IS_ERR(hdl)) {\r
- ret = PTR_ERR(hdl);\r
- printk("RGA2 ERROR ion buf handle\n");\r
- return ret;\r
- }\r
- if ((req->mmu_info.mmu_flag >> 8) & 1) {\r
- req->sg_src = ion_sg_table(drvdata->ion_client, hdl);\r
- req->src.yrgb_addr = req->src.uv_addr;\r
- req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);\r
- req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;\r
- }\r
- else {\r
- ion_phys(drvdata->ion_client, hdl, &phy_addr, &len);\r
- req->src.yrgb_addr = phy_addr;\r
- req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);\r
- req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;\r
- }\r
- ion_free(drvdata->ion_client, hdl);\r
- }\r
- else {\r
- req->src.yrgb_addr = req->src.uv_addr;\r
- req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);\r
- req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;\r
- }\r
-\r
- if(req->dst.yrgb_addr) {\r
- hdl = ion_import_dma_buf(drvdata->ion_client, req->dst.yrgb_addr);\r
- if (IS_ERR(hdl)) {\r
- ret = PTR_ERR(hdl);\r
- printk("RGA2 ERROR ion buf handle\n");\r
- return ret;\r
- }\r
- if ((req->mmu_info.mmu_flag >> 10) & 1) {\r
- req->sg_dst = ion_sg_table(drvdata->ion_client, hdl);\r
- req->dst.yrgb_addr = req->dst.uv_addr;\r
- req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);\r
- req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;\r
- }\r
- else {\r
- ion_phys(drvdata->ion_client, hdl, &phy_addr, &len);\r
- req->dst.yrgb_addr = phy_addr;\r
- req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);\r
- req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;\r
- }\r
- ion_free(drvdata->ion_client, hdl);\r
- }\r
- else {\r
- req->dst.yrgb_addr = req->dst.uv_addr;\r
- req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);\r
- req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-\r
-static int rga_blit(rga_session *session, struct rga_req *req)\r
-{\r
- int ret = -1;\r
- int num = 0;\r
- struct rga_reg *reg;\r
- struct rga_req req2;\r
-\r
- uint32_t saw, sah, daw, dah;\r
-\r
- saw = req->src.act_w;\r
- sah = req->src.act_h;\r
- daw = req->dst.act_w;\r
- dah = req->dst.act_h;\r
-\r
- #if RGA_TEST\r
- print_info(req);\r
- #endif\r
-\r
- if(rga_convert_dma_buf(req)) {\r
- printk("RGA : DMA buf copy error\n");\r
- return -EFAULT;\r
- }\r
-\r
- do {\r
- if((req->render_mode == bitblt_mode) && (((saw>>1) >= daw) || ((sah>>1) >= dah))) {\r
- /* generate 2 cmd for pre scale */\r
-\r
- ret = rga_check_param(req);\r
- if(ret == -EINVAL) {\r
- printk("req 0 argument is inval\n");\r
- break;\r
- }\r
-\r
- ret = RGA_gen_two_pro(req, &req2);\r
- if(ret == -EINVAL) {\r
- break;\r
- }\r
-\r
- ret = rga_check_param(req);\r
- if(ret == -EINVAL) {\r
- printk("req 1 argument is inval\n");\r
- break;\r
- }\r
-\r
- ret = rga_check_param(&req2);\r
- if(ret == -EINVAL) {\r
- printk("req 2 argument is inval\n");\r
- break;\r
- }\r
-\r
- reg = rga_reg_init_2(session, req, &req2);\r
- if(reg == NULL) {\r
- break;\r
- }\r
- num = 2;\r
-\r
- }\r
- else {\r
- /* check value if legal */\r
- ret = rga_check_param(req);\r
- if(ret == -EINVAL) {\r
- printk("req argument is inval\n");\r
- break;\r
- }\r
-\r
- if(req->render_mode == bitblt_mode)\r
- rga_mem_addr_sel(req);\r
-\r
- reg = rga_reg_init(session, req);\r
- if(reg == NULL) {\r
- break;\r
- }\r
- num = 1;\r
- }\r
-\r
- mutex_lock(&rga_service.lock);\r
- atomic_add(num, &rga_service.total_running);\r
- rga_try_set_reg();\r
- mutex_unlock(&rga_service.lock);\r
-\r
- return 0;\r
- }\r
- while(0);\r
-\r
- return -EFAULT;\r
-}\r
-\r
-static int rga_blit_async(rga_session *session, struct rga_req *req)\r
-{\r
- int ret = -1;\r
-\r
- #if RGA_TEST\r
- printk("*** rga_blit_async proc ***\n");\r
- #endif\r
-\r
- atomic_set(&session->done, 0);\r
- ret = rga_blit(session, req);\r
- return ret;\r
-}\r
-\r
-static int rga_blit_sync(rga_session *session, struct rga_req *req)\r
-{\r
- int ret = -1;\r
- int ret_timeout = 0;\r
-\r
- #if RGA_TEST\r
- printk("*** rga_blit_sync proc ***\n");\r
- #endif\r
-\r
- atomic_set(&session->done, 0);\r
- ret = rga_blit(session, req);\r
- if(ret < 0)\r
- return ret;\r
-\r
- ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA_TIMEOUT_DELAY);\r
-\r
- if (unlikely(ret_timeout< 0)) {\r
- mutex_lock(&rga_service.lock);\r
- rga_del_running_list();\r
- mutex_unlock(&rga_service.lock);\r
- ret = ret_timeout;\r
- }\r
- else if (0 == ret_timeout) {\r
- mutex_lock(&rga_service.lock);\r
- rga_del_running_list_timeout();\r
- rga_try_set_reg();\r
- mutex_unlock(&rga_service.lock);\r
- ret = -ETIMEDOUT;\r
- }\r
-\r
- #if RGA_TEST_TIME\r
- rga_end = ktime_get();\r
- rga_end = ktime_sub(rga_end, rga_start);\r
- printk("sync one cmd end time %d\n", (int)ktime_to_us(rga_end));\r
- #endif\r
-\r
- return ret;\r
-}\r
-\r
-\r
-static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)\r
-{\r
- struct rga_req req;\r
- int ret = 0;\r
- rga_session *session;\r
-\r
- mutex_lock(&rga_service.mutex);\r
-\r
- session = (rga_session *)file->private_data;\r
-\r
- if (NULL == session) {\r
- printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);\r
- mutex_unlock(&rga_service.mutex);\r
- return -EINVAL;\r
- }\r
-\r
- memset(&req, 0x0, sizeof(req));\r
-\r
- switch (cmd) {\r
- case RGA_BLIT_SYNC:\r
- if (unlikely(copy_from_user(&req, (struct rga_req*)arg, sizeof(struct rga_req))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
- ret = rga_blit_sync(session, &req);\r
- break;\r
- case RGA_BLIT_ASYNC:\r
- if (unlikely(copy_from_user(&req, (struct rga_req*)arg, sizeof(struct rga_req))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
-\r
- if((atomic_read(&rga_service.total_running) > 16))\r
- {\r
- ret = rga_blit_sync(session, &req);\r
- }\r
- else\r
- {\r
- ret = rga_blit_async(session, &req);\r
- }\r
- break;\r
- case RGA_FLUSH:\r
- ret = rga_flush(session, arg);\r
- break;\r
- case RGA_GET_RESULT:\r
- ret = rga_get_result(session, arg);\r
- break;\r
- case RGA_GET_VERSION:\r
- ret = copy_to_user((void *)arg, RGA_VERSION, sizeof(RGA_VERSION));\r
- //ret = 0;\r
- break;\r
- default:\r
- ERR("unknown ioctl cmd!\n");\r
- ret = -EINVAL;\r
- break;\r
- }\r
-\r
- mutex_unlock(&rga_service.mutex);\r
-\r
- return ret;\r
-}\r
-\r
-\r
-long rga_ioctl_kernel(struct rga_req *req)\r
-{\r
- int ret = 0;\r
- if (!rga_ioctl_kernel_p) {\r
- printk("rga_ioctl_kernel_p is NULL\n");\r
- return -1;\r
- }\r
- else {\r
- ret = (*rga_ioctl_kernel_p)(req);\r
- return ret;\r
- }\r
-}\r
-\r
-\r
-long rga_ioctl_kernel_imp(struct rga_req *req)\r
-{\r
- int ret = 0;\r
- rga_session *session;\r
-\r
- mutex_lock(&rga_service.mutex);\r
-\r
- session = &rga_session_global;\r
-\r
- if (NULL == session) {\r
- printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);\r
- mutex_unlock(&rga_service.mutex);\r
- return -EINVAL;\r
- }\r
-\r
- ret = rga_blit_sync(session, req);\r
-\r
- mutex_unlock(&rga_service.mutex);\r
-\r
- return ret;\r
-}\r
-\r
-\r
-static int rga_open(struct inode *inode, struct file *file)\r
-{\r
- rga_session *session = kzalloc(sizeof(rga_session), GFP_KERNEL);\r
- if (NULL == session) {\r
- pr_err("unable to allocate memory for rga_session.");\r
- return -ENOMEM;\r
- }\r
-\r
- session->pid = current->pid;\r
- //printk(KERN_DEBUG "+");\r
-\r
- INIT_LIST_HEAD(&session->waiting);\r
- INIT_LIST_HEAD(&session->running);\r
- INIT_LIST_HEAD(&session->list_session);\r
- init_waitqueue_head(&session->wait);\r
- mutex_lock(&rga_service.lock);\r
- list_add_tail(&session->list_session, &rga_service.session);\r
- mutex_unlock(&rga_service.lock);\r
- atomic_set(&session->task_running, 0);\r
- atomic_set(&session->num_done, 0);\r
-\r
- file->private_data = (void *)session;\r
-\r
- //DBG("*** rga dev opened by pid %d *** \n", session->pid);\r
- return nonseekable_open(inode, file);\r
-\r
-}\r
-\r
-static int rga_release(struct inode *inode, struct file *file)\r
-{\r
- int task_running;\r
- rga_session *session = (rga_session *)file->private_data;\r
- if (NULL == session)\r
- return -EINVAL;\r
- //printk(KERN_DEBUG "-");\r
- task_running = atomic_read(&session->task_running);\r
-\r
- if (task_running)\r
- {\r
- pr_err("rga_service session %d still has %d task running when closing\n", session->pid, task_running);\r
- msleep(100);\r
- /*ͬ²½*/\r
- }\r
-\r
- wake_up(&session->wait);\r
- mutex_lock(&rga_service.lock);\r
- list_del(&session->list_session);\r
- rga_service_session_clear(session);\r
- kfree(session);\r
- mutex_unlock(&rga_service.lock);\r
-\r
- //DBG("*** rga dev close ***\n");\r
- return 0;\r
-}\r
-\r
-static irqreturn_t rga_irq_thread(int irq, void *dev_id)\r
-{\r
- mutex_lock(&rga_service.lock);\r
- if (rga_service.enable) {\r
- rga_del_running_list();\r
- rga_try_set_reg();\r
- }\r
- mutex_unlock(&rga_service.lock);\r
-\r
- return IRQ_HANDLED;\r
-}\r
-\r
-static irqreturn_t rga_irq(int irq, void *dev_id)\r
-{\r
- /*clear INT */\r
- rga_write(rga_read(RGA_INT) | (0x1<<6) | (0x1<<7) | (0x1<<4), RGA_INT);\r
-\r
- return IRQ_WAKE_THREAD;\r
-}\r
-\r
-struct file_operations rga_fops = {\r
- .owner = THIS_MODULE,\r
- .open = rga_open,\r
- .release = rga_release,\r
- .unlocked_ioctl = rga_ioctl,\r
-};\r
-\r
-static struct miscdevice rga_dev ={\r
- .minor = RGA_MAJOR,\r
- .name = "rga",\r
- .fops = &rga_fops,\r
-};\r
-\r
-\r
-#if defined(CONFIG_OF)\r
-static const struct of_device_id rockchip_rga_dt_ids[] = {\r
- { .compatible = "rockchip,rk312x-rga", },\r
- {},\r
-};\r
-#endif\r
-\r
-static int rga_drv_probe(struct platform_device *pdev)\r
-{\r
- struct rga_drvdata *data;\r
- struct resource *res;\r
- //struct device_node *np = pdev->dev.of_node;\r
- int ret = 0;\r
-\r
- mutex_init(&rga_service.lock);\r
- mutex_init(&rga_service.mutex);\r
- atomic_set(&rga_service.total_running, 0);\r
- rga_service.enable = false;\r
-\r
- rga_ioctl_kernel_p = rga_ioctl_kernel_imp;\r
-\r
- data = devm_kzalloc(&pdev->dev, sizeof(struct rga_drvdata), GFP_KERNEL);\r
- if(! data) {\r
- ERR("failed to allocate driver data.\n");\r
- return -ENOMEM;\r
- }\r
-\r
- INIT_DELAYED_WORK(&data->power_off_work, rga_power_off_work);\r
- wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");\r
-\r
- //data->pd_rga = devm_clk_get(&pdev->dev, "pd_rga");\r
- data->aclk_rga = devm_clk_get(&pdev->dev, "aclk_rga");\r
- data->hclk_rga = devm_clk_get(&pdev->dev, "hclk_rga");\r
-\r
- /* map the registers */\r
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);\r
- data->rga_base = devm_ioremap_resource(&pdev->dev, res);\r
- if (!data->rga_base) {\r
- ERR("rga ioremap failed\n");\r
- ret = -ENOENT;\r
- goto err_ioremap;\r
- }\r
-\r
- /* get the IRQ */\r
- data->irq = ret = platform_get_irq(pdev, 0);\r
- if (ret <= 0) {\r
- ERR("failed to get rga irq resource (%d).\n", data->irq);\r
- ret = data->irq;\r
- goto err_irq;\r
- }\r
-\r
- /* request the IRQ */\r
- //ret = request_threaded_irq(data->irq, rga_irq, rga_irq_thread, 0, "rga", pdev);\r
- ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga_irq, rga_irq_thread, 0, "rga", data);\r
- if (ret)\r
- {\r
- ERR("rga request_irq failed (%d).\n", ret);\r
- goto err_irq;\r
- }\r
-\r
- platform_set_drvdata(pdev, data);\r
- drvdata = data;\r
-\r
- #if defined(CONFIG_ION_ROCKCHIP)\r
- data->ion_client = rockchip_ion_client_create("rga");\r
- if (IS_ERR(data->ion_client)) {\r
- dev_err(&pdev->dev, "failed to create ion client for rga");\r
- return PTR_ERR(data->ion_client);\r
+/*
+ * 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 <asm/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>
+
+#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 0
+#define RGA_TEST_TIME 0
+#define RGA_TEST_FLUSH_TIME 0
+#define RGA_INFO_BUS_ERROR 1
+
+#define PRE_SCALE_BUF_SIZE 2048*1024*4
+
+#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"
+
+#define RGA_VERSION "1.003"
+
+ktime_t rga_start;
+ktime_t rga_end;
+
+rga_session rga_session_global;
+
+long (*rga_ioctl_kernel_p)(struct rga_req *);
+
+
+struct rga_drvdata {
+ struct miscdevice miscdev;
+ struct device dev;
+ void *rga_base;
+ int irq;
+
+ struct delayed_work power_off_work;
+ void (*rga_irq_callback)(int rga_retval); //callback function used by aync call
+ struct wake_lock wake_lock;
+
+ struct clk *pd_rga;
+ struct clk *aclk_rga;
+ struct clk *hclk_rga;
+
+ //#if defined(CONFIG_ION_ROCKCHIP)
+ struct ion_client * ion_client;
+ //#endif
+};
+
+static struct rga_drvdata *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_TEST
+static void print_info(struct rga_req *req)
+{
+ printk("src : yrgb_addr = %.8x, src.uv_addr = %.8x, src.v_addr = %.8x, format = %d\n",
+ req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format);
+ printk("src : act_w = %d, act_h = %d, vir_w = %d, vir_h = %d\n",
+ req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h);
+ printk("src : x_off = %.8x y_off = %.8x\n", req->src.x_offset, req->src.y_offset);
+
+ printk("dst : yrgb_addr = %.8x, dst.uv_addr = %.8x, dst.v_addr = %.8x, format = %d\n",
+ req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format);
+ printk("dst : x_off = %.8x y_off = %.8x\n", req->dst.x_offset, req->dst.y_offset);
+ printk("dst : act_w = %d, act_h = %d, vir_w = %d, vir_h = %d\n",
+ req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h);
+
+ printk("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);
+
+ printk("mmu_flag = %.8x\n", req->mmu_info.mmu_flag);
+
+ //printk("alpha_rop_flag = %.8x\n", req->alpha_rop_flag);
+ //printk("alpha_rop_mode = %.8x\n", req->alpha_rop_mode);
+ //printk("PD_mode = %.8x\n", req->PD_mode);
+}
+#endif
+
+
+static inline void rga_write(u32 b, u32 r)
+{
+ __raw_writel(b, drvdata->rga_base + r);
+}
+
+static inline u32 rga_read(u32 r)
+{
+ return __raw_readl(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(®->session->task_running);
+ num_done = atomic_read(®->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(®->session->task_running);
+ num_done = atomic_read(®->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%.8x\n", (unsigned int)reg);
+ }
+ list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
+ {
+ printk("running register set 0x%.8x\n", (unsigned int)reg);
+ }
+ }
+}
+
+static inline void rga_queue_power_off_work(void)
+{
+ queue_delayed_work(system_nrt_wq, &drvdata->power_off_work, RGA_POWER_OFF_DELAY);
+}
+
+/* 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(&drvdata->power_off_work);
+ rga_queue_power_off_work();
+ last = now;
+ }
+ if (rga_service.enable)
+ return;
+
+ clk_prepare_enable(drvdata->aclk_rga);
+ clk_prepare_enable(drvdata->hclk_rga);
+ //clk_prepare_enable(drvdata->pd_rga);
+ wake_lock(&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();
+ }
+
+ //clk_disable_unprepare(drvdata->pd_rga);
+ clk_disable_unprepare(drvdata->aclk_rga);
+ clk_disable_unprepare(drvdata->hclk_rga);
+ wake_unlock(&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 {
- dev_info(&pdev->dev, "rga ion client create success!\n");\r
+ /* 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",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(®->session->task_running) != 0)
+ {
+ printk(KERN_ERR "task_running is no zero\n");
+ }
+
+ atomic_add(1, &rga_service.cmd_num);
+ atomic_add(1, ®->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];
+ }
+
+ dsb();
+}
+
+
+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(®->session_link);
+ INIT_LIST_HEAD(®->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;
+ }
+
+ mutex_lock(&rga_service.lock);
+ list_add_tail(®->status_link, &rga_service.waiting);
+ list_add_tail(®->session_link, &session->waiting);
+ mutex_unlock(&rga_service.lock);
+
+ return reg;
+}
+
+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(struct rga_reg), GFP_KERNEL);
+ if (NULL == reg0) {
+ pr_err("%s [%d] kmalloc fail in rga_reg_init\n", __FUNCTION__, __LINE__);
+ break;
+ }
+
+ reg1 = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);
+ if (NULL == reg1) {
+ pr_err("%s [%d] kmalloc fail in rga_reg_init\n", __FUNCTION__, __LINE__);
+ break;
+ }
+
+ reg0->session = session;
+ INIT_LIST_HEAD(®0->session_link);
+ INIT_LIST_HEAD(®0->status_link);
+
+ reg1->session = session;
+ INIT_LIST_HEAD(®1->session_link);
+ INIT_LIST_HEAD(®1->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) {
+ printk("%s, [%d] set mmu info error \n", __FUNCTION__, __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) {
+ printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
+ break;
+ }
+ }
+
+ RGA_gen_reg_info(req1, (uint8_t *)reg1->cmd_reg);
+
+ mutex_lock(&rga_service.lock);
+ list_add_tail(®0->status_link, &rga_service.waiting);
+ list_add_tail(®0->session_link, &session->waiting);
+ list_add_tail(®1->status_link, &rga_service.waiting);
+ list_add_tail(®1->session_link, &session->waiting);
+ mutex_unlock(&rga_service.lock);
+
+ return reg1;
+ }
+ while(0);
+
+ if(reg0 != NULL) {
+ kfree(reg0);
+ }
+
+ if(reg1 != NULL) {
+ kfree(reg1);
+ }
+
+ return NULL;
+}
+
+/* Caller must hold rga_service.lock */
+static void rga_reg_deinit(struct rga_reg *reg)
+{
+ list_del_init(®->session_link);
+ list_del_init(®->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(®->status_link);
+ list_add_tail(®->status_link, &rga_service.running);
+
+ list_del_init(®->session_link);
+ list_add_tail(®->session_link, ®->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);
+
+ dmac_flush_range(&rga_service.cmd_buff[0], &rga_service.cmd_buff[28]);
+ outer_flush_range(virt_to_phys(&rga_service.cmd_buff[0]),virt_to_phys(&rga_service.cmd_buff[28]));
+
+ #if defined(CONFIG_ARCH_RK30)
+ rga_soft_reset();
+ #endif
+
+ 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_TEST
+ {
+ //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<<8), RGA_INT);
+
+ #if RGA_TEST_TIME
+ rga_start = ktime_get();
+ #endif
+
+ /* Start proc */
+ atomic_set(®->session->done, 0);
+ rga_write(0x1, RGA_CMD_CTRL);
+
+#if RGA_TEST
+ {
+ 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
+ }
+ }
+}
+
+
+
+
+/* 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;
+ }
+
+ atomic_sub(1, ®->session->task_running);
+ atomic_sub(1, &rga_service.total_running);
+
+ if(list_empty(®->session->waiting))
+ {
+ atomic_set(®->session->done, 1);
+ wake_up(®->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_base != NULL)
+ {
+ kfree(reg->MMU_base);
+ }
+
+ atomic_sub(1, ®->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(®->session->task_running));
+ printk("rga_service.total_running = %d\n", atomic_read(&rga_service.total_running));
+
+ print_info(®->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(®->session->waiting))
+ {
+ atomic_set(®->session->done, 1);
+ wake_up(®->session->wait);
+ }
+
+ rga_reg_deinit(reg);
+ }
+}
+
+
+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;
+ }
+
+}
+
+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;
+ uint32_t src_offset, dst_offset;
+
+ 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(drvdata->ion_client, req->src.yrgb_addr);
+ if (IS_ERR(hdl)) {
+ ret = PTR_ERR(hdl);
+ printk("RGA2 ERROR ion buf handle\n");
+ return ret;
+ }
+ if ((req->mmu_info.mmu_flag >> 8) & 1) {
+ req->sg_src = ion_sg_table(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(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(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(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->mmu_info.mmu_flag >> 10) & 1) {
+ req->sg_dst = ion_sg_table(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(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(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;
+}
+
+
+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_TEST
+ print_info(req);
+ #endif
+
+ if(rga_convert_dma_buf(req)) {
+ printk("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) {
+ printk("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) {
+ printk("req 1 argument is inval\n");
+ break;
+ }
+
+ ret = rga_check_param(&req2);
+ if(ret == -EINVAL) {
+ printk("req 2 argument is inval\n");
+ break;
+ }
+
+ reg = rga_reg_init_2(session, req, &req2);
+ if(reg == NULL) {
+ break;
+ }
+ num = 2;
+
+ }
+ else {
+ /* check value if legal */
+ ret = rga_check_param(req);
+ if(ret == -EINVAL) {
+ printk("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 == NULL) {
+ 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;
+}
+
+static int rga_blit_async(rga_session *session, struct rga_req *req)
+{
+ int ret = -1;
+
+ #if RGA_TEST
+ printk("*** 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_TEST
+ printk("*** 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_TEST_TIME
+ rga_end = ktime_get();
+ rga_end = ktime_sub(rga_end, rga_start);
+ printk("sync one cmd end time %d\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;
+
+ 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));
+
+ 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:
+ ret = copy_to_user((void *)arg, RGA_VERSION, sizeof(RGA_VERSION));
+ //ret = 0;
+ break;
+ default:
+ ERR("unknown ioctl cmd!\n");
+ 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);
+ /*ͬ²½*/
+ }
+
+ 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)
+{
+ 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)
+{
+ /*clear INT */
+ rga_write(rga_read(RGA_INT) | (0x1<<6) | (0x1<<7) | (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");
+
+ //data->pd_rga = devm_clk_get(&pdev->dev, "pd_rga");
+ 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);
+ 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;
+ }
+
+ pr_info("Driver loaded succesfully\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));
+
+ //clk_put(data->pd_rga);
+ devm_clk_put(&pdev->dev, data->aclk_rga);
+ devm_clk_put(&pdev->dev, data->hclk_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),
+ },
+};
+
+
+void rga_test_0(void);
+void rga_test_1(void);
+
+
+static int __init rga_init(void)
+{
+ int ret;
+ uint32_t *mmu_buf;
+ uint32_t i;
+ uint32_t *buf_p;
+
+ /* malloc pre scale mid buf mmu table */
+ mmu_buf = kzalloc(1024*8, GFP_KERNEL);
+ if(mmu_buf == NULL) {
+ printk(KERN_ERR "RGA get Pre Scale buff failed. \n");
+ return -1;
+ }
+
+ /* malloc 4 M buf */
+ for(i=0; i<1024; i++) {
+ buf_p = (uint32_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
+ if(buf_p == NULL) {
+ printk(KERN_ERR "RGA init pre scale buf falied\n");
+ return -ENOMEM;
+ }
+ mmu_buf[i] = virt_to_phys((void *)((uint32_t)buf_p));
+ }
+
+ rga_service.pre_scale_buf = (uint32_t *)mmu_buf;
+
+ buf_p = kmalloc(1024*256, GFP_KERNEL);
+ rga_mmu_buf.buf_virtual = buf_p;
+ rga_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((uint32_t)buf_p));
+ rga_mmu_buf.front = 0;
+ rga_mmu_buf.back = 64*1024;
+ rga_mmu_buf.size = 64*1024;
+
+ rga_mmu_buf.pages = kmalloc((32768)* sizeof(struct page *), GFP_KERNEL);
+
+ if ((ret = platform_driver_register(&rga_driver)) != 0)
+ {
+ printk(KERN_ERR "Platform device register failed (%d).\n", ret);
+ return ret;
}
- #endif\r
-\r
- ret = misc_register(&rga_dev);\r
- if(ret)\r
- {\r
- ERR("cannot register miscdev (%d)\n", ret);\r
- goto err_misc_register;\r
- }\r
-\r
- pr_info("Driver loaded succesfully\n");\r
-\r
- return 0;\r
-\r
-err_misc_register:\r
- free_irq(data->irq, pdev);\r
-err_irq:\r
- iounmap(data->rga_base);\r
-err_ioremap:\r
- wake_lock_destroy(&data->wake_lock);\r
- //kfree(data);\r
-\r
- return ret;\r
-}\r
-\r
-static int rga_drv_remove(struct platform_device *pdev)\r
-{\r
- struct rga_drvdata *data = platform_get_drvdata(pdev);\r
- DBG("%s [%d]\n",__FUNCTION__,__LINE__);\r
-\r
- wake_lock_destroy(&data->wake_lock);\r
- misc_deregister(&(data->miscdev));\r
- free_irq(data->irq, &data->miscdev);\r
- iounmap((void __iomem *)(data->rga_base));\r
-\r
- //clk_put(data->pd_rga);\r
- devm_clk_put(&pdev->dev, data->aclk_rga);\r
- devm_clk_put(&pdev->dev, data->hclk_rga);\r
-\r
- //kfree(data);\r
- return 0;\r
-}\r
-\r
-static struct platform_driver rga_driver = {\r
- .probe = rga_drv_probe,\r
- .remove = rga_drv_remove,\r
- .driver = {\r
- .owner = THIS_MODULE,\r
- .name = "rga",\r
- .of_match_table = of_match_ptr(rockchip_rga_dt_ids),\r
- },\r
-};\r
-\r
-\r
-void rga_test_0(void);\r
-void rga_test_1(void);\r
-\r
-\r
-static int __init rga_init(void)\r
-{\r
- int ret;\r
- uint32_t *mmu_buf;\r
- uint32_t i;\r
- uint32_t *buf_p;\r
-\r
- /* malloc pre scale mid buf mmu table */\r
- mmu_buf = kzalloc(1024*8, GFP_KERNEL);\r
- if(mmu_buf == NULL) {\r
- printk(KERN_ERR "RGA get Pre Scale buff failed. \n");\r
- return -1;\r
- }\r
-\r
- /* malloc 4 M buf */\r
- for(i=0; i<1024; i++) {\r
- buf_p = (uint32_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);\r
- if(buf_p == NULL) {\r
- printk(KERN_ERR "RGA init pre scale buf falied\n");\r
- return -ENOMEM;\r
- }\r
- mmu_buf[i] = virt_to_phys((void *)((uint32_t)buf_p));\r
- }\r
-\r
- rga_service.pre_scale_buf = (uint32_t *)mmu_buf;\r
-\r
- buf_p = kmalloc(1024*256, GFP_KERNEL);\r
- rga_mmu_buf.buf_virtual = buf_p;\r
- rga_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((uint32_t)buf_p));\r
- rga_mmu_buf.front = 0;\r
- rga_mmu_buf.back = 64*1024;\r
- rga_mmu_buf.size = 64*1024;\r
-\r
- rga_mmu_buf.pages = kmalloc((32768)* sizeof(struct page *), GFP_KERNEL);\r
-\r
- if ((ret = platform_driver_register(&rga_driver)) != 0)\r
- {\r
- printk(KERN_ERR "Platform device register failed (%d).\n", ret);\r
- return ret;\r
- }\r
-\r
- {\r
- rga_session_global.pid = 0x0000ffff;\r
- INIT_LIST_HEAD(&rga_session_global.waiting);\r
- INIT_LIST_HEAD(&rga_session_global.running);\r
- INIT_LIST_HEAD(&rga_session_global.list_session);\r
-\r
- INIT_LIST_HEAD(&rga_service.waiting);\r
- INIT_LIST_HEAD(&rga_service.running);\r
- INIT_LIST_HEAD(&rga_service.done);\r
- INIT_LIST_HEAD(&rga_service.session);\r
-\r
- init_waitqueue_head(&rga_session_global.wait);\r
- //mutex_lock(&rga_service.lock);\r
- list_add_tail(&rga_session_global.list_session, &rga_service.session);\r
- //mutex_unlock(&rga_service.lock);\r
- atomic_set(&rga_session_global.task_running, 0);\r
- atomic_set(&rga_session_global.num_done, 0);\r
- }\r
-\r
-\r
-\r
- #if RGA_TEST_CASE\r
- rga_test_0();\r
- #endif\r
-\r
- INFO("Module initialized.\n");\r
-\r
- return 0;\r
-}\r
-\r
-static void __exit rga_exit(void)\r
-{\r
- uint32_t i;\r
-\r
- rga_power_off();\r
-\r
- for(i=0; i<1024; i++)\r
- {\r
- if((uint32_t *)rga_service.pre_scale_buf[i] != NULL)\r
- {\r
- __free_page((void *)rga_service.pre_scale_buf[i]);\r
- }\r
- }\r
-\r
- if(rga_service.pre_scale_buf != NULL) {\r
- kfree((uint8_t *)rga_service.pre_scale_buf);\r
- }\r
-\r
- if (rga_mmu_buf.buf_virtual)\r
- kfree(rga_mmu_buf.buf_virtual);\r
-\r
- if (rga_mmu_buf.pages)\r
- kfree(rga_mmu_buf.pages);\r
-\r
- platform_driver_unregister(&rga_driver);\r
-}\r
-\r
-\r
-#if RGA_TEST_CASE\r
-\r
-extern struct fb_info * rk_get_fb(int fb_id);\r
-EXPORT_SYMBOL(rk_get_fb);\r
-\r
-extern void rk_direct_fb_show(struct fb_info * fbi);\r
-EXPORT_SYMBOL(rk_direct_fb_show);\r
-\r
-unsigned int src_buf[1920*1080];\r
-unsigned int dst_buf[1920*1080];\r
-//unsigned int tmp_buf[1920*1080 * 2];\r
-\r
-void rga_test_0(void)\r
-{\r
- struct rga_req req;\r
- rga_session session;\r
- unsigned int *src, *dst;\r
- uint32_t i, j;\r
- uint8_t *p;\r
- uint8_t t;\r
- uint32_t *dst0, *dst1, *dst2;\r
-\r
- struct fb_info *fb;\r
-\r
- session.pid = current->pid;\r
- INIT_LIST_HEAD(&session.waiting);\r
- INIT_LIST_HEAD(&session.running);\r
- INIT_LIST_HEAD(&session.list_session);\r
- init_waitqueue_head(&session.wait);\r
- /* no need to protect */\r
- list_add_tail(&session.list_session, &rga_service.session);\r
- atomic_set(&session.task_running, 0);\r
- atomic_set(&session.num_done, 0);\r
- //file->private_data = (void *)session;\r
-\r
- fb = rk_get_fb(0);\r
-\r
- memset(&req, 0, sizeof(struct rga_req));\r
- src = src_buf;\r
- dst = dst_buf;\r
-\r
- memset(src_buf, 0x80, 1024*600*4);\r
-\r
- dmac_flush_range(&src_buf[0], &src_buf[1024*600]);\r
- outer_flush_range(virt_to_phys(&src_buf[0]),virt_to_phys(&src_buf[1024*600]));\r
-\r
-\r
- #if 0\r
- memset(src_buf, 0x80, 800*480*4);\r
- memset(dst_buf, 0xcc, 800*480*4);\r
-\r
- dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);\r
- outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));\r
- #endif\r
-\r
- dst0 = &dst_buf[0];\r
- //dst1 = &dst_buf[1280*800*4];\r
- //dst2 = &dst_buf[1280*800*4*2];\r
-\r
- i = j = 0;\r
-\r
- printk("\n********************************\n");\r
- printk("************ RGA_TEST ************\n");\r
- printk("********************************\n\n");\r
-\r
- req.src.act_w = 1024;\r
- req.src.act_h = 600;\r
-\r
- req.src.vir_w = 1024;\r
- req.src.vir_h = 600;\r
- req.src.yrgb_addr = (uint32_t)virt_to_phys(src);\r
- req.src.uv_addr = (uint32_t)(req.src.yrgb_addr + 1080*1920);\r
- req.src.v_addr = (uint32_t)virt_to_phys(src);\r
- req.src.format = RK_FORMAT_RGBA_8888;\r
-\r
- req.dst.act_w = 600;\r
- req.dst.act_h = 352;\r
-\r
- req.dst.vir_w = 1280;\r
- req.dst.vir_h = 800;\r
- req.dst.x_offset = 600;\r
- req.dst.y_offset = 0;\r
-\r
- dst = dst0;\r
-\r
- req.dst.yrgb_addr = ((uint32_t)virt_to_phys(dst));\r
-\r
- //req.dst.format = RK_FORMAT_RGB_565;\r
-\r
- req.clip.xmin = 0;\r
- req.clip.xmax = 1279;\r
- req.clip.ymin = 0;\r
- req.clip.ymax = 799;\r
-\r
- //req.render_mode = color_fill_mode;\r
- //req.fg_color = 0x80ffffff;\r
-\r
- req.rotate_mode = 1;\r
- //req.scale_mode = 2;\r
-\r
- //req.alpha_rop_flag = 0;\r
- //req.alpha_rop_mode = 0x19;\r
- //req.PD_mode = 3;\r
-\r
- req.sina = 65536;\r
- req.cosa = 0;\r
-\r
- //req.mmu_info.mmu_flag = 0x21;\r
- //req.mmu_info.mmu_en = 1;\r
-\r
- //printk("src = %.8x\n", req.src.yrgb_addr);\r
- //printk("src = %.8x\n", req.src.uv_addr);\r
- //printk("dst = %.8x\n", req.dst.yrgb_addr);\r
-\r
-\r
- rga_blit_sync(&session, &req);\r
-\r
- #if 1\r
- fb->var.bits_per_pixel = 32;\r
-\r
- fb->var.xres = 1280;\r
- fb->var.yres = 800;\r
-\r
- fb->var.red.length = 8;\r
- fb->var.red.offset = 0;\r
- fb->var.red.msb_right = 0;\r
-\r
- fb->var.green.length = 8;\r
- fb->var.green.offset = 8;\r
- fb->var.green.msb_right = 0;\r
-\r
- fb->var.blue.length = 8;\r
-\r
- fb->var.blue.offset = 16;\r
- fb->var.blue.msb_right = 0;\r
-\r
- fb->var.transp.length = 8;\r
- fb->var.transp.offset = 24;\r
- fb->var.transp.msb_right = 0;\r
-\r
- fb->var.nonstd &= (~0xff);\r
- fb->var.nonstd |= 1;\r
-\r
- fb->fix.smem_start = virt_to_phys(dst);\r
-\r
- rk_direct_fb_show(fb);\r
- #endif\r
-\r
-}\r
-\r
-#endif\r
-module_init(rga_init);\r
-module_exit(rga_exit);\r
-\r
-/* Module information */\r
-MODULE_AUTHOR("zsq@rock-chips.com");\r
-MODULE_DESCRIPTION("Driver for rga device");\r
-MODULE_LICENSE("GPL");\r
+
+ {
+ 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
+
+ INFO("Module initialized.\n");
+
+ return 0;
+}
+
+static void __exit rga_exit(void)
+{
+ uint32_t i;
+
+ rga_power_off();
+
+ for(i=0; i<1024; i++)
+ {
+ if((uint32_t *)rga_service.pre_scale_buf[i] != NULL)
+ {
+ __free_page((void *)rga_service.pre_scale_buf[i]);
+ }
+ }
+
+ if(rga_service.pre_scale_buf != NULL) {
+ kfree((uint8_t *)rga_service.pre_scale_buf);
+ }
+
+ if (rga_mmu_buf.buf_virtual)
+ kfree(rga_mmu_buf.buf_virtual);
+
+ if (rga_mmu_buf.pages)
+ 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
+module_init(rga_init);
+module_exit(rga_exit);
+
+/* Module information */
+MODULE_AUTHOR("zsq@rock-chips.com");
+MODULE_DESCRIPTION("Driver for rga device");
+MODULE_LICENSE("GPL");
projects / firefly-linux-kernel-4.4.55.git / commitdiff