-/*\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 <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
-#include <linux/scatterlist.h>\r
-\r
-\r
-#if defined(CONFIG_ION_ROCKCHIP)\r
-#include <linux/rockchip_ion.h>\r
-#endif\r
-\r
-#include "rga2.h"\r
-#include "rga2_reg_info.h"\r
-#include "rga2_mmu_info.h"\r
-#include "RGA2_API.h"\r
-\r
-#if defined(CONFIG_ROCKCHIP_IOMMU) & defined(CONFIG_ION_ROCKCHIP)\r
-#define CONFIG_RGA_IOMMU\r
-#endif\r
-\r
-#define RGA2_TEST_FLUSH_TIME 0\r
-#define RGA2_INFO_BUS_ERROR 1\r
-\r
-#define RGA2_POWER_OFF_DELAY 4*HZ /* 4s */\r
-#define RGA2_TIMEOUT_DELAY 2*HZ /* 2s */\r
-\r
-#define RGA2_MAJOR 255\r
-\r
-#define RGA2_RESET_TIMEOUT 1000\r
-\r
-/* Driver information */\r
-#define DRIVER_DESC "RGA2 Device Driver"\r
-#define DRIVER_NAME "rga2"\r
-\r
-#define RGA2_VERSION "2.000"\r
-\r
-ktime_t rga2_start;\r
-ktime_t rga2_end;\r
-\r
-int rga2_flag = 0;\r
-int first_RGA2_proc = 0;\r
-\r
-extern long (*rga_ioctl_kernel_p)(struct rga_req *);\r
-\r
-rga2_session rga2_session_global;\r
-\r
-struct rga2_drvdata_t {\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 *aclk_rga2;\r
- struct clk *hclk_rga2;\r
- struct clk *pd_rga2;\r
- struct clk *rga2;\r
-\r
- #if defined(CONFIG_ION_ROCKCHIP)\r
- struct ion_client * ion_client;\r
- #endif\r
-};\r
-\r
-struct rga2_drvdata_t *rga2_drvdata;\r
-\r
-struct rga2_service_info rga2_service;\r
-struct rga2_mmu_buf_t rga2_mmu_buf;\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 rga2_blit_async(rga2_session *session, struct rga2_req *req);\r
-static void rga2_del_running_list(void);\r
-static void rga2_del_running_list_timeout(void);\r
-static void rga2_try_set_reg(void);\r
-\r
-\r
-/* Logging */\r
-#define RGA_DEBUG 0\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 RGA2_TEST_MSG\r
-static void print_info(struct rga2_req *req)\r
-{\r
- printk("render_mode=%d bitblt_mode=%d rotate_mode=%.8x\n",\r
- req->render_mode, req->bitblt_mode, req->rotate_mode);\r
- printk("src : y=%.llx uv=%.llx v=%.llx format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",\r
- req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format,\r
- req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h,\r
- req->src.x_offset, req->src.y_offset);\r
- printk("dst : y=%llx uv=%llx v=%llx format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",\r
- req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format,\r
- req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h,\r
- req->dst.x_offset, req->dst.y_offset);\r
- printk("mmu : src=%.2x src1=%.2x dst=%.2x els=%.2x\n",\r
- req->mmu_info.src0_mmu_flag, req->mmu_info.src1_mmu_flag,\r
- req->mmu_info.dst_mmu_flag, req->mmu_info.els_mmu_flag);\r
- printk("alpha : flag %.8x mode0=%.8x mode1=%.8x\n",\r
- req->alpha_rop_flag, req->alpha_mode_0, req->alpha_mode_1);\r
-}\r
-#endif\r
-\r
-\r
-static inline void rga2_write(u32 b, u32 r)\r
-{\r
- //__raw_writel(b, rga2_drvdata->rga_base + r);\r
-\r
- *((volatile unsigned int *)(rga2_drvdata->rga_base + r)) = b;\r
-}\r
-\r
-static inline u32 rga2_read(u32 r)\r
-{\r
- //return __raw_readl(rga2_drvdata->rga_base + r);\r
-\r
- return *((volatile unsigned int *)(rga2_drvdata->rga_base + r));\r
-}\r
-\r
-static void rga2_soft_reset(void)\r
-{\r
- u32 i;\r
- u32 reg;\r
-\r
- rga2_write((1 << 3) | (1 << 4), RGA2_SYS_CTRL); //RGA_SYS_CTRL\r
-\r
- for(i = 0; i < RGA2_RESET_TIMEOUT; i++)\r
- {\r
- reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL\r
-\r
- if(reg == 0)\r
- break;\r
-\r
- udelay(1);\r
- }\r
-\r
- if(i == RGA2_RESET_TIMEOUT)\r
- ERR("soft reset timeout.\n");\r
-}\r
-\r
-static void rga2_dump(void)\r
-{\r
- int running;\r
- struct rga2_reg *reg, *reg_tmp;\r
- rga2_session *session, *session_tmp;\r
-\r
- running = atomic_read(&rga2_service.total_running);\r
- printk("rga total_running %d\n", running);\r
-\r
- list_for_each_entry_safe(session, session_tmp, &rga2_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%.lu\n", (unsigned long)reg);\r
- }\r
- list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)\r
- {\r
- printk("running register set 0x%.lu\n", (unsigned long)reg);\r
- }\r
- }\r
-}\r
-\r
-static inline void rga2_queue_power_off_work(void)\r
-{\r
- queue_delayed_work(system_nrt_wq, &rga2_drvdata->power_off_work, RGA2_POWER_OFF_DELAY);\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga2_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(&rga2_drvdata->power_off_work);\r
- rga2_queue_power_off_work();\r
- last = now;\r
- }\r
- if (rga2_service.enable)\r
- return;\r
-\r
- clk_prepare_enable(rga2_drvdata->rga2);\r
- clk_prepare_enable(rga2_drvdata->aclk_rga2);\r
- clk_prepare_enable(rga2_drvdata->hclk_rga2);\r
- clk_prepare_enable(rga2_drvdata->pd_rga2);\r
- wake_lock(&rga2_drvdata->wake_lock);\r
- rga2_service.enable = true;\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga2_power_off(void)\r
-{\r
- int total_running;\r
-\r
- if (!rga2_service.enable) {\r
- return;\r
- }\r
-\r
- total_running = atomic_read(&rga2_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
- rga2_dump();\r
- }\r
-\r
- clk_disable_unprepare(rga2_drvdata->rga2);\r
- clk_disable_unprepare(rga2_drvdata->pd_rga2);\r
- clk_disable_unprepare(rga2_drvdata->aclk_rga2);\r
- clk_disable_unprepare(rga2_drvdata->hclk_rga2);\r
- wake_unlock(&rga2_drvdata->wake_lock);\r
- first_RGA2_proc = 0;\r
- rga2_service.enable = false;\r
-}\r
-\r
-static void rga2_power_off_work(struct work_struct *work)\r
-{\r
- if (mutex_trylock(&rga2_service.lock)) {\r
- rga2_power_off();\r
- mutex_unlock(&rga2_service.lock);\r
- } else {\r
- /* Come back later if the device is busy... */\r
- rga2_queue_power_off_work();\r
- }\r
-}\r
-\r
-static int rga2_flush(rga2_session *session, unsigned long arg)\r
-{\r
- int ret = 0;\r
- int ret_timeout;\r
-\r
- #if RGA2_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), RGA2_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(&rga2_service.lock);\r
- rga2_del_running_list();\r
- mutex_unlock(&rga2_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(&rga2_service.lock);\r
- rga2_del_running_list_timeout();\r
- rga2_try_set_reg();\r
- mutex_unlock(&rga2_service.lock);\r
- ret = -ETIMEDOUT;\r
- }\r
-\r
- #if RGA2_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 rga2_get_result(rga2_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 rga2_check_param(const struct rga2_req *req)\r
-{\r
- /*RGA2 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)))\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)))\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 > 4096) || (req->dst.act_h <= 0) || (req->dst.act_h > 4096)))\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 > 4096)))\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 rga2_copy_reg(struct rga2_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
- printk(KERN_ERR "task_running is no zero\n");\r
-\r
- atomic_add(1, &rga2_service.cmd_num);\r
- atomic_add(1, ®->session->task_running);\r
-\r
- cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;\r
- reg_p = (uint32_t *)reg->cmd_reg;\r
-\r
- for(i=0; i<32; i++)\r
- cmd_buf[i] = reg_p[i];\r
-}\r
-\r
-\r
-static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)\r
-{\r
- int32_t ret;\r
- struct rga2_reg *reg = kzalloc(sizeof(struct rga2_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.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)\r
- || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))\r
- {\r
- ret = rga2_set_mmu_info(reg, req);\r
- if(ret < 0) {\r
- printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);\r
- if(reg != NULL)\r
- kfree(reg);\r
-\r
- return NULL;\r
- }\r
- }\r
-\r
- if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1) {\r
- printk("gen reg info error\n");\r
- if(reg != NULL)\r
- kfree(reg);\r
-\r
- return NULL;\r
- }\r
-\r
- mutex_lock(&rga2_service.lock);\r
- list_add_tail(®->status_link, &rga2_service.waiting);\r
- list_add_tail(®->session_link, &session->waiting);\r
- mutex_unlock(&rga2_service.lock);\r
-\r
- return reg;\r
-}\r
-\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga2_reg_deinit(struct rga2_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 rga2_reg_from_wait_to_run(struct rga2_reg *reg)\r
-{\r
- list_del_init(®->status_link);\r
- list_add_tail(®->status_link, &rga2_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 rga2_service_session_clear(rga2_session *session)\r
-{\r
- struct rga2_reg *reg, *n;\r
-\r
- list_for_each_entry_safe(reg, n, &session->waiting, session_link)\r
- {\r
- rga2_reg_deinit(reg);\r
- }\r
-\r
- list_for_each_entry_safe(reg, n, &session->running, session_link)\r
- {\r
- rga2_reg_deinit(reg);\r
- }\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga2_try_set_reg(void)\r
-{\r
- struct rga2_reg *reg ;\r
-\r
- if (list_empty(&rga2_service.running))\r
- {\r
- if (!list_empty(&rga2_service.waiting))\r
- {\r
- /* RGA is idle */\r
- reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);\r
-\r
- rga2_power_on();\r
- udelay(1);\r
-\r
- rga2_copy_reg(reg, 0);\r
- rga2_reg_from_wait_to_run(reg);\r
-\r
- #ifdef CONFIG_ARM\r
- dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);\r
- outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));\r
- #elif defined(CONFIG_ARM64)\r
- __dma_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);\r
- #endif\r
-\r
- //rga2_soft_reset();\r
-\r
- rga2_write(0x0, RGA2_SYS_CTRL);\r
-\r
- /* CMD buff */\r
- rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);\r
-\r
-#if RGA2_TEST\r
- if(rga2_flag) {\r
- int32_t i, *p;\r
- p = rga2_service.cmd_buff;\r
- printk("CMD_REG\n");\r
- for (i=0; i<8; 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
-#endif\r
-\r
- /* master mode */\r
- rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);\r
-\r
- /* All CMD finish int */\r
- rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<9)|(0x1<<8), RGA2_INT);\r
-\r
- #if RGA2_TEST_TIME\r
- rga2_start = ktime_get();\r
- #endif\r
-\r
- /* Start proc */\r
- atomic_set(®->session->done, 0);\r
- rga2_write(0x1, RGA2_CMD_CTRL);\r
-#if RGA2_TEST\r
- if(rga2_flag)\r
- {\r
- uint32_t i;\r
- printk("CMD_READ_BACK_REG\n");\r
- for (i=0; i<8; i++)\r
- printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),\r
- rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));\r
- }\r
-#endif\r
- }\r
- }\r
-}\r
-\r
-\r
-\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga2_del_running_list(void)\r
-{\r
- struct rga2_reg *reg;\r
-\r
- while(!list_empty(&rga2_service.running))\r
- {\r
- reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);\r
-\r
- if(reg->MMU_len != 0)\r
- {\r
- if (rga2_mmu_buf.back + reg->MMU_len > 2*rga2_mmu_buf.size)\r
- rga2_mmu_buf.back = reg->MMU_len + rga2_mmu_buf.size;\r
- else\r
- rga2_mmu_buf.back += reg->MMU_len;\r
- }\r
- atomic_sub(1, ®->session->task_running);\r
- atomic_sub(1, &rga2_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
- rga2_reg_deinit(reg);\r
- }\r
-}\r
-\r
-/* Caller must hold rga_service.lock */\r
-static void rga2_del_running_list_timeout(void)\r
-{\r
- struct rga2_reg *reg;\r
-\r
- while(!list_empty(&rga2_service.running))\r
- {\r
- reg = list_entry(rga2_service.running.next, struct rga2_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, &rga2_service.total_running);\r
-\r
- rga2_soft_reset();\r
-\r
- if(list_empty(®->session->waiting))\r
- {\r
- atomic_set(®->session->done, 1);\r
- wake_up(®->session->wait);\r
- }\r
-\r
- rga2_reg_deinit(reg);\r
- }\r
-}\r
-\r
-\r
-static int rga2_convert_dma_buf(struct rga2_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_src0 = NULL;\r
- req->sg_src1 = NULL;\r
- req->sg_dst = NULL;\r
- req->sg_els = NULL;\r
-\r
- if((int)req->src.yrgb_addr > 0) {\r
- hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src.yrgb_addr);\r
- if (IS_ERR(hdl)) {\r
- ret = PTR_ERR(hdl);\r
- printk("RGA2 SRC ERROR ion buf handle\n");\r
- return ret;\r
- }\r
- if (req->mmu_info.src0_mmu_flag) {\r
- req->sg_src0 = ion_sg_table(rga2_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(rga2_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(rga2_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((int)req->dst.yrgb_addr > 0) {\r
- hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->dst.yrgb_addr);\r
- if (IS_ERR(hdl)) {\r
- ret = PTR_ERR(hdl);\r
- printk("RGA2 DST ERROR ion buf handle\n");\r
- return ret;\r
- }\r
- if (req->mmu_info.dst_mmu_flag) {\r
- req->sg_dst = ion_sg_table(rga2_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(rga2_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(rga2_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
- if((int)req->src1.yrgb_addr > 0) {\r
- hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src1.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.dst_mmu_flag) {\r
- req->sg_src1 = ion_sg_table(rga2_drvdata->ion_client, hdl);\r
- req->src1.yrgb_addr = 0;\r
- req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);\r
- req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;\r
- }\r
- else {\r
- ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);\r
- req->src1.yrgb_addr = phy_addr;\r
- req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);\r
- req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;\r
- }\r
- ion_free(rga2_drvdata->ion_client, hdl);\r
- }\r
- else {\r
- req->src1.yrgb_addr = req->dst.uv_addr;\r
- req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);\r
- req->src1.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 rga2_blit(rga2_session *session, struct rga2_req *req)\r
-{\r
- int ret = -1;\r
- int num = 0;\r
- struct rga2_reg *reg;\r
-\r
- if(rga2_convert_dma_buf(req)) {\r
- printk("RGA2 : DMA buf copy error\n");\r
- return -EFAULT;\r
- }\r
-\r
- do {\r
- /* check value if legal */\r
- ret = rga2_check_param(req);\r
- if(ret == -EINVAL) {\r
- printk("req argument is inval\n");\r
- break;\r
- }\r
-\r
- reg = rga2_reg_init(session, req);\r
- if(reg == NULL) {\r
- break;\r
- }\r
- num = 1;\r
-\r
- mutex_lock(&rga2_service.lock);\r
- atomic_add(num, &rga2_service.total_running);\r
- rga2_try_set_reg();\r
- mutex_unlock(&rga2_service.lock);\r
-\r
- return 0;\r
- }\r
- while(0);\r
-\r
- return -EFAULT;\r
-}\r
-\r
-static int rga2_blit_async(rga2_session *session, struct rga2_req *req)\r
-{\r
- int ret = -1;\r
-\r
- #if RGA2_TEST_MSG\r
- if (1) {//req->src.format >= 0x10) {\r
- print_info(req);\r
- rga2_flag = 1;\r
- printk("*** rga_blit_async proc ***\n");\r
- }\r
- else\r
- rga2_flag = 0;\r
- #endif\r
- atomic_set(&session->done, 0);\r
- ret = rga2_blit(session, req);\r
-\r
- return ret;\r
-}\r
-\r
-static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)\r
-{\r
- int ret = -1;\r
- int ret_timeout = 0;\r
-\r
- #if RGA2_TEST_MSG\r
- if (1) {//req->bitblt_mode == 0x2) {\r
- print_info(req);\r
- rga2_flag = 1;\r
- printk("*** rga2_blit_sync proc ***\n");\r
- }\r
- else\r
- rga2_flag = 0;\r
- #endif\r
-\r
- atomic_set(&session->done, 0);\r
-\r
- ret = rga2_blit(session, req);\r
- if(ret < 0)\r
- return ret;\r
-\r
- ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);\r
-\r
- if (unlikely(ret_timeout< 0))\r
- {\r
- //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);\r
- mutex_lock(&rga2_service.lock);\r
- rga2_del_running_list();\r
- mutex_unlock(&rga2_service.lock);\r
- ret = ret_timeout;\r
- }\r
- else if (0 == ret_timeout)\r
- {\r
- //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));\r
- mutex_lock(&rga2_service.lock);\r
- rga2_del_running_list_timeout();\r
- rga2_try_set_reg();\r
- mutex_unlock(&rga2_service.lock);\r
- ret = -ETIMEDOUT;\r
- }\r
-\r
- #if RGA2_TEST_TIME\r
- rga2_end = ktime_get();\r
- rga2_end = ktime_sub(rga2_end, rga2_start);\r
- printk("sync one cmd end time %d\n", (int)ktime_to_us(rga2_end));\r
- #endif\r
-\r
- return ret;\r
-}\r
-\r
-static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)\r
-{\r
- struct rga2_req req, req_first;\r
- struct rga_req req_rga;\r
- int ret = 0;\r
- rga2_session *session;\r
-\r
- memset(&req, 0x0, sizeof(req));\r
-\r
- mutex_lock(&rga2_service.mutex);\r
-\r
- session = (rga2_session *)file->private_data;\r
-\r
- if (NULL == session)\r
- {\r
- printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);\r
- mutex_unlock(&rga2_service.mutex);\r
- return -EINVAL;\r
- }\r
-\r
- memset(&req, 0x0, sizeof(req));\r
-\r
- switch (cmd)\r
- {\r
- case RGA_BLIT_SYNC:\r
- if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
- RGA_MSG_2_RGA2_MSG(&req_rga, &req);\r
-\r
- if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {\r
- memcpy(&req_first, &req, sizeof(struct rga2_req));\r
- if ((req_first.src.act_w != req_first.dst.act_w)\r
- || (req_first.src.act_h != req_first.dst.act_h)) {\r
- req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));\r
- req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));\r
- req_first.dst.act_w = req_first.src.act_w;\r
- req_first.dst.act_h = req_first.src.act_h;\r
- ret = rga2_blit_async(session, &req_first);\r
- }\r
- ret = rga2_blit_sync(session, &req);\r
- first_RGA2_proc = 1;\r
- }\r
- else {\r
- ret = rga2_blit_sync(session, &req);\r
- }\r
- break;\r
- case RGA_BLIT_ASYNC:\r
- if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
-\r
- RGA_MSG_2_RGA2_MSG(&req_rga, &req);\r
-\r
- if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {\r
- memcpy(&req_first, &req, sizeof(struct rga2_req));\r
- if ((req_first.src.act_w != req_first.dst.act_w)\r
- || (req_first.src.act_h != req_first.dst.act_h)) {\r
- req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));\r
- req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));\r
- req_first.dst.act_w = req_first.src.act_w;\r
- req_first.dst.act_h = req_first.src.act_h;\r
- ret = rga2_blit_async(session, &req_first);\r
- }\r
- ret = rga2_blit_async(session, &req);\r
- first_RGA2_proc = 1;\r
- }\r
- else {\r
- ret = rga2_blit_async(session, &req);\r
- }\r
- break;\r
- case RGA2_BLIT_SYNC:\r
- if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
- ret = rga2_blit_sync(session, &req);\r
- break;\r
- case RGA2_BLIT_ASYNC:\r
- if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
-\r
- if((atomic_read(&rga2_service.total_running) > 16))\r
- {\r
- ret = rga2_blit_sync(session, &req);\r
- }\r
- else\r
- {\r
- ret = rga2_blit_async(session, &req);\r
- }\r
- break;\r
- case RGA_FLUSH:\r
- case RGA2_FLUSH:\r
- ret = rga2_flush(session, arg);\r
- break;\r
- case RGA_GET_RESULT:\r
- case RGA2_GET_RESULT:\r
- ret = rga2_get_result(session, arg);\r
- break;\r
- case RGA_GET_VERSION:\r
- case RGA2_GET_VERSION:\r
- ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));\r
- //ret = 0;\r
- break;\r
- default:\r
- ERR("unknown ioctl cmd!\n");\r
- ret = -EINVAL;\r
- break;\r
- }\r
-\r
- mutex_unlock(&rga2_service.mutex);\r
-\r
- return ret;\r
-}\r
-\r
-#ifdef CONFIG_COMPAT\r
-static long compat_rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)\r
-{\r
- struct rga2_req req, req_first;\r
- struct rga_req_32 req_rga;\r
- int ret = 0;\r
- rga2_session *session;\r
-\r
- memset(&req, 0x0, sizeof(req));\r
-\r
- mutex_lock(&rga2_service.mutex);\r
-\r
- session = (rga2_session *)file->private_data;\r
-\r
- #if RGA2_TEST_MSG\r
- printk("use compat_rga_ioctl\n");\r
- #endif\r
-\r
- if (NULL == session) {\r
- printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);\r
- mutex_unlock(&rga2_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_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
-\r
- RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);\r
-\r
- if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {\r
- memcpy(&req_first, &req, sizeof(struct rga2_req));\r
- if ((req_first.src.act_w != req_first.dst.act_w)\r
- || (req_first.src.act_h != req_first.dst.act_h)) {\r
- req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));\r
- req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));\r
- req_first.dst.act_w = req_first.src.act_w;\r
- req_first.dst.act_h = req_first.src.act_h;\r
- ret = rga2_blit_async(session, &req_first);\r
- }\r
- ret = rga2_blit_sync(session, &req);\r
- first_RGA2_proc = 1;\r
- }\r
- else {\r
- ret = rga2_blit_sync(session, &req);\r
- }\r
- break;\r
- case RGA_BLIT_ASYNC:\r
- if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
- RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);\r
-\r
- if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {\r
- memcpy(&req_first, &req, sizeof(struct rga2_req));\r
- if ((req_first.src.act_w != req_first.dst.act_w)\r
- || (req_first.src.act_h != req_first.dst.act_h)) {\r
- req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));\r
- req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));\r
- req_first.dst.act_w = req_first.src.act_w;\r
- req_first.dst.act_h = req_first.src.act_h;\r
- ret = rga2_blit_async(session, &req_first);\r
- }\r
- ret = rga2_blit_sync(session, &req);\r
- first_RGA2_proc = 1;\r
- }\r
- else {\r
- ret = rga2_blit_sync(session, &req);\r
- }\r
-\r
- //if((atomic_read(&rga2_service.total_running) > 8))\r
- // ret = rga2_blit_sync(session, &req);\r
- //else\r
- // ret = rga2_blit_async(session, &req);\r
-\r
- break;\r
- case RGA2_BLIT_SYNC:\r
- if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
- ret = rga2_blit_sync(session, &req);\r
- break;\r
- case RGA2_BLIT_ASYNC:\r
- if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))\r
- {\r
- ERR("copy_from_user failed\n");\r
- ret = -EFAULT;\r
- break;\r
- }\r
-\r
- if((atomic_read(&rga2_service.total_running) > 16))\r
- ret = rga2_blit_sync(session, &req);\r
- else\r
- ret = rga2_blit_async(session, &req);\r
-\r
- break;\r
- case RGA_FLUSH:\r
- case RGA2_FLUSH:\r
- ret = rga2_flush(session, arg);\r
- break;\r
- case RGA_GET_RESULT:\r
- case RGA2_GET_RESULT:\r
- ret = rga2_get_result(session, arg);\r
- break;\r
- case RGA_GET_VERSION:\r
- case RGA2_GET_VERSION:\r
- ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));\r
- //ret = 0;\r
- break;\r
- default:\r
- ERR("unknown ioctl cmd!\n");\r
- ret = -EINVAL;\r
- break;\r
- }\r
-\r
- mutex_unlock(&rga2_service.mutex);\r
-\r
- return ret;\r
-}\r
-#endif\r
-\r
-\r
-long rga2_ioctl_kernel(struct rga_req *req_rga)\r
-{\r
- int ret = 0;\r
- rga2_session *session;\r
- struct rga2_req req;\r
-\r
- memset(&req, 0x0, sizeof(req));\r
-\r
- mutex_lock(&rga2_service.mutex);\r
-\r
- session = &rga2_session_global;\r
-\r
- if (NULL == session)\r
- {\r
- printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);\r
- mutex_unlock(&rga2_service.mutex);\r
- return -EINVAL;\r
- }\r
-\r
- RGA_MSG_2_RGA2_MSG(req_rga, &req);\r
- ret = rga2_blit_sync(session, &req);\r
-\r
- mutex_unlock(&rga2_service.mutex);\r
-\r
- return ret;\r
-}\r
-\r
-\r
-static int rga2_open(struct inode *inode, struct file *file)\r
-{\r
- rga2_session *session = kzalloc(sizeof(rga2_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(&rga2_service.lock);\r
- list_add_tail(&session->list_session, &rga2_service.session);\r
- mutex_unlock(&rga2_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 rga2_release(struct inode *inode, struct file *file)\r
-{\r
- int task_running;\r
- rga2_session *session = (rga2_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("rga2_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(&rga2_service.lock);\r
- list_del(&session->list_session);\r
- rga2_service_session_clear(session);\r
- kfree(session);\r
- mutex_unlock(&rga2_service.lock);\r
-\r
- //DBG("*** rga dev close ***\n");\r
- return 0;\r
-}\r
-\r
-static irqreturn_t rga2_irq_thread(int irq, void *dev_id)\r
-{\r
- mutex_lock(&rga2_service.lock);\r
- if (rga2_service.enable) {\r
- rga2_del_running_list();\r
- rga2_try_set_reg();\r
- }\r
- mutex_unlock(&rga2_service.lock);\r
-\r
- return IRQ_HANDLED;\r
-}\r
-\r
-static irqreturn_t rga2_irq(int irq, void *dev_id)\r
-{\r
- /*clear INT */\r
- rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);\r
-\r
- return IRQ_WAKE_THREAD;\r
-}\r
-\r
-struct file_operations rga2_fops = {\r
- .owner = THIS_MODULE,\r
- .open = rga2_open,\r
- .release = rga2_release,\r
- .unlocked_ioctl = rga_ioctl,\r
-#ifdef CONFIG_COMPAT\r
- .compat_ioctl = compat_rga_ioctl,\r
-#endif\r
-};\r
-\r
-static struct miscdevice rga2_dev ={\r
- .minor = RGA2_MAJOR,\r
- .name = "rga",\r
- .fops = &rga2_fops,\r
-};\r
-\r
-static const struct of_device_id rockchip_rga_dt_ids[] = {\r
- { .compatible = "rockchip,rga2", },\r
- {},\r
-};\r
-\r
-static int rga2_drv_probe(struct platform_device *pdev)\r
-{\r
- struct rga2_drvdata_t *data;\r
- struct resource *res;\r
- int ret = 0;\r
- struct device_node *np = pdev->dev.of_node;\r
-\r
- mutex_init(&rga2_service.lock);\r
- mutex_init(&rga2_service.mutex);\r
- atomic_set(&rga2_service.total_running, 0);\r
- atomic_set(&rga2_service.src_format_swt, 0);\r
- rga2_service.last_prc_src_format = 1; /* default is yuv first*/\r
- rga2_service.enable = false;\r
-\r
- rga_ioctl_kernel_p = rga2_ioctl_kernel;\r
-\r
- data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);\r
- if(NULL == data)\r
- {\r
- ERR("failed to allocate driver data.\n");\r
- return -ENOMEM;\r
- }\r
-\r
- INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);\r
- wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");\r
-\r
- //data->pd_rga2 = clk_get(NULL, "pd_rga");\r
- data->rga2 = devm_clk_get(&pdev->dev, "clk_rga");\r
- data->pd_rga2 = devm_clk_get(&pdev->dev, "pd_rga");\r
- data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");\r
- data->hclk_rga2 = 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 = platform_get_irq(pdev, 0);\r
- if (data->irq <= 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 = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);\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
- rga2_drvdata = data;\r
- of_property_read_u32(np, "dev_mode", &rga2_service.dev_mode);\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
- } else {\r
- dev_info(&pdev->dev, "rga ion client create success!\n");\r
- }\r
- #endif\r
-\r
- ret = misc_register(&rga2_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 rga2_drv_remove(struct platform_device *pdev)\r
-{\r
- struct rga2_drvdata_t *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_rga2);\r
- devm_clk_put(&pdev->dev, data->rga2);\r
- devm_clk_put(&pdev->dev, data->pd_rga2);\r
- devm_clk_put(&pdev->dev, data->aclk_rga2);\r
- devm_clk_put(&pdev->dev, data->hclk_rga2);\r
-\r
- kfree(data);\r
- return 0;\r
-}\r
-\r
-static struct platform_driver rga2_driver = {\r
- .probe = rga2_drv_probe,\r
- .remove = rga2_drv_remove,\r
- .driver = {\r
- .owner = THIS_MODULE,\r
- .name = "rga2",\r
- .of_match_table = of_match_ptr(rockchip_rga_dt_ids),\r
- },\r
-};\r
-\r
-\r
-void rga2_test_0(void);\r
-\r
-static int __init rga2_init(void)\r
-{\r
- int ret;\r
- uint32_t *buf_p;\r
-\r
- /* malloc pre scale mid buf mmu table */\r
- buf_p = kmalloc(1024*256, GFP_KERNEL);\r
- rga2_mmu_buf.buf_virtual = buf_p;\r
- rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((unsigned long)buf_p));\r
- rga2_mmu_buf.front = 0;\r
- rga2_mmu_buf.back = 64*1024;\r
- rga2_mmu_buf.size = 64*1024;\r
-\r
- rga2_mmu_buf.pages = kmalloc(32768 * sizeof(struct page *), GFP_KERNEL);\r
-\r
- if ((ret = platform_driver_register(&rga2_driver)) != 0)\r
- {\r
- printk(KERN_ERR "Platform device register failed (%d).\n", ret);\r
- return ret;\r
- }\r
-\r
- {\r
- rga2_session_global.pid = 0x0000ffff;\r
- INIT_LIST_HEAD(&rga2_session_global.waiting);\r
- INIT_LIST_HEAD(&rga2_session_global.running);\r
- INIT_LIST_HEAD(&rga2_session_global.list_session);\r
-\r
- INIT_LIST_HEAD(&rga2_service.waiting);\r
- INIT_LIST_HEAD(&rga2_service.running);\r
- INIT_LIST_HEAD(&rga2_service.done);\r
- INIT_LIST_HEAD(&rga2_service.session);\r
- init_waitqueue_head(&rga2_session_global.wait);\r
- //mutex_lock(&rga_service.lock);\r
- list_add_tail(&rga2_session_global.list_session, &rga2_service.session);\r
- //mutex_unlock(&rga_service.lock);\r
- atomic_set(&rga2_session_global.task_running, 0);\r
- atomic_set(&rga2_session_global.num_done, 0);\r
- }\r
-\r
- #if RGA2_TEST_CASE\r
- rga2_test_0();\r
- #endif\r
-\r
- INFO("Module initialized.\n");\r
-\r
- return 0;\r
-}\r
-\r
-static void __exit rga2_exit(void)\r
-{\r
- rga2_power_off();\r
-\r
- if (rga2_mmu_buf.buf_virtual)\r
- kfree(rga2_mmu_buf.buf_virtual);\r
-\r
- platform_driver_unregister(&rga2_driver);\r
-}\r
-\r
-\r
-#if RGA2_TEST_CASE\r
-\r
-void rga2_test_0(void)\r
-{\r
- struct rga2_req req;\r
- rga2_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, &rga2_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 rga2_req));\r
- src = kmalloc(800*480*4, GFP_KERNEL);\r
- dst = kmalloc(800*480*4, GFP_KERNEL);\r
-\r
- printk("\n********************************\n");\r
- printk("************ RGA2_TEST ************\n");\r
- printk("********************************\n\n");\r
-\r
- memset(src, 0x80, 800*480*4);\r
- memset(dst, 0x0, 800*480*4);\r
-\r
- //dmac_flush_range(&src, &src[800*480*4]);\r
- //outer_flush_range(virt_to_phys(&src),virt_to_phys(&src[800*480*4]));\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;\r
-\r
- i = j = 0;\r
-\r
-\r
-\r
- #if 0\r
- req.pat.act_w = 16;\r
- req.pat.act_h = 16;\r
- req.pat.vir_w = 16;\r
- req.pat.vir_h = 16;\r
- req.pat.yrgb_addr = virt_to_phys(src);\r
- req.render_mode = 0;\r
- rga2_blit_sync(&session, &req);\r
- #endif\r
-\r
- req.src.act_w = 320;\r
- req.src.act_h = 240;\r
-\r
- req.src.vir_w = 320;\r
- req.src.vir_h = 240;\r
- req.src.yrgb_addr = 0;//(uint32_t)virt_to_phys(src);\r
- req.src.uv_addr = (unsigned long)virt_to_phys(src);\r
- req.src.v_addr = 0;\r
- req.src.format = RGA2_FORMAT_RGBA_8888;\r
-\r
- req.dst.act_w = 320;\r
- req.dst.act_h = 240;\r
- req.dst.x_offset = 0;\r
- req.dst.y_offset = 0;\r
-\r
- req.dst.vir_w = 320;\r
- req.dst.vir_h = 240;\r
-\r
- req.dst.yrgb_addr = 0;//((uint32_t)virt_to_phys(dst));\r
- req.dst.uv_addr = (unsigned long)virt_to_phys(dst);\r
- req.dst.format = RGA2_FORMAT_RGBA_8888;\r
-\r
- //dst = dst0;\r
-\r
- //req.render_mode = color_fill_mode;\r
- //req.fg_color = 0x80ffffff;\r
-\r
- req.rotate_mode = 0;\r
- req.scale_bicu_mode = 2;\r
-\r
- //req.alpha_rop_flag = 0;\r
- //req.alpha_rop_mode = 0x19;\r
- //req.PD_mode = 3;\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
- rga2_blit_sync(&session, &req);\r
-\r
- for(j=0; j<100; j++) {\r
- printk("%.8x\n", dst[j]);\r
- }\r
-\r
- if(src)\r
- kfree(src);\r
- if(dst)\r
- kfree(dst);\r
-}\r
-\r
-#endif\r
-fs_initcall(rga2_init);\r
-module_exit(rga2_exit);\r
-\r
-/* Module information */\r
-MODULE_AUTHOR("zsq@rock-chips.com");\r
-MODULE_DESCRIPTION("Driver for rga device");\r
-MODULE_LICENSE("GPL");\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 <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>
+#include <linux/scatterlist.h>
+#include <linux/rockchip_ion.h>
+
+#include "rga2.h"
+#include "rga2_reg_info.h"
+#include "rga2_mmu_info.h"
+#include "RGA2_API.h"
+#include "rga2_rop.h"
+
+#if defined(CONFIG_RK_IOMMU) && defined(CONFIG_ION_ROCKCHIP)
+#define CONFIG_RGA_IOMMU
+#endif
+
+#define RGA2_TEST_FLUSH_TIME 0
+#define RGA2_INFO_BUS_ERROR 1
+#define RGA2_POWER_OFF_DELAY 4*HZ /* 4s */
+#define RGA2_TIMEOUT_DELAY 2*HZ /* 2s */
+#define RGA2_MAJOR 255
+#define RGA2_RESET_TIMEOUT 1000
+
+/* Driver information */
+#define DRIVER_DESC "RGA2 Device Driver"
+#define DRIVER_NAME "rga2"
+#define RGA2_VERSION "2.000"
+
+ktime_t rga2_start;
+ktime_t rga2_end;
+int rga2_flag;
+int first_RGA2_proc;
+
+rga2_session rga2_session_global;
+long (*rga_ioctl_kernel_p)(struct rga_req *);
+
+struct rga2_drvdata_t {
+ struct miscdevice miscdev;
+ struct device dev;
+ void *rga_base;
+ int irq;
+
+ struct delayed_work power_off_work;
+ struct wake_lock wake_lock;
+ void (*rga_irq_callback)(int rga_retval);
+
+ struct clk *aclk_rga2;
+ struct clk *hclk_rga2;
+ struct clk *rga2;
+
+ struct ion_client * ion_client;
+};
+
+struct rga2_drvdata_t *rga2_drvdata;
+struct rga2_service_info rga2_service;
+struct rga2_mmu_buf_t rga2_mmu_buf;
+
+static int rga2_blit_async(rga2_session *session, struct rga2_req *req);
+static void rga2_del_running_list(void);
+static void rga2_del_running_list_timeout(void);
+static void rga2_try_set_reg(void);
+
+
+/* Logging */
+#define RGA_DEBUG 0
+#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 RGA2_TEST_MSG
+static void print_info(struct rga2_req *req)
+{
+ printk("render_mode=%d bitblt_mode=%d rotate_mode=%.8x\n",
+ req->render_mode, req->bitblt_mode, req->rotate_mode);
+ printk("src : y=%.lx uv=%.lx v=%.lx format=%d 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, 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);
+ printk("dst : y=%lx uv=%lx v=%lx format=%d 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, 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);
+ printk("mmu : src=%.2x src1=%.2x dst=%.2x els=%.2x\n",
+ req->mmu_info.src0_mmu_flag, req->mmu_info.src1_mmu_flag,
+ req->mmu_info.dst_mmu_flag, req->mmu_info.els_mmu_flag);
+ printk("alpha : flag %.8x mode0=%.8x mode1=%.8x\n",
+ req->alpha_rop_flag, req->alpha_mode_0, req->alpha_mode_1);
+}
+#endif
+
+static inline void rga2_write(u32 b, u32 r)
+{
+ *((volatile unsigned int *)(rga2_drvdata->rga_base + r)) = b;
+}
+
+static inline u32 rga2_read(u32 r)
+{
+ return *((volatile unsigned int *)(rga2_drvdata->rga_base + r));
+}
+
+static void rga2_soft_reset(void)
+{
+ u32 i;
+ u32 reg;
+
+ rga2_write((1 << 3) | (1 << 4), RGA2_SYS_CTRL); //RGA_SYS_CTRL
+
+ for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
+ {
+ reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL
+
+ if(reg == 0)
+ break;
+
+ udelay(1);
+ }
+
+ if(i == RGA2_RESET_TIMEOUT)
+ ERR("soft reset timeout.\n");
+}
+
+static void rga2_dump(void)
+{
+ int running;
+ struct rga2_reg *reg, *reg_tmp;
+ rga2_session *session, *session_tmp;
+
+ running = atomic_read(&rga2_service.total_running);
+ printk("rga total_running %d\n", running);
+ list_for_each_entry_safe(session, session_tmp, &rga2_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 rga2_queue_power_off_work(void)
+{
+ queue_delayed_work(system_wq, &rga2_drvdata->power_off_work,
+ RGA2_POWER_OFF_DELAY);
+}
+
+/* Caller must hold rga_service.lock */
+static void rga2_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(&rga2_drvdata->power_off_work);
+ rga2_queue_power_off_work();
+ last = now;
+ }
+
+ if (rga2_service.enable)
+ return;
+
+ clk_prepare_enable(rga2_drvdata->rga2);
+ clk_prepare_enable(rga2_drvdata->aclk_rga2);
+ clk_prepare_enable(rga2_drvdata->hclk_rga2);
+ wake_lock(&rga2_drvdata->wake_lock);
+ rga2_service.enable = true;
+}
+
+/* Caller must hold rga_service.lock */
+static void rga2_power_off(void)
+{
+ int total_running;
+
+ if (!rga2_service.enable) {
+ return;
+ }
+
+ total_running = atomic_read(&rga2_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");
+ rga2_dump();
+ }
+
+ clk_disable_unprepare(rga2_drvdata->rga2);
+ clk_disable_unprepare(rga2_drvdata->aclk_rga2);
+ clk_disable_unprepare(rga2_drvdata->hclk_rga2);
+ wake_unlock(&rga2_drvdata->wake_lock);
+ first_RGA2_proc = 0;
+ rga2_service.enable = false;
+}
+
+static void rga2_power_off_work(struct work_struct *work)
+{
+ if (mutex_trylock(&rga2_service.lock)) {
+ rga2_power_off();
+ mutex_unlock(&rga2_service.lock);
+ } else {
+ /* Come back later if the device is busy... */
+ rga2_queue_power_off_work();
+ }
+}
+
+static int rga2_flush(rga2_session *session, unsigned long arg)
+{
+ int ret = 0;
+ int ret_timeout;
+
+ #if RGA2_TEST_FLUSH_TIME
+ ktime_t start;
+ ktime_t end;
+ start = ktime_get();
+ #endif
+
+ ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
+
+ if (unlikely(ret_timeout < 0)) {
+ //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
+ mutex_lock(&rga2_service.lock);
+ rga2_del_running_list();
+ mutex_unlock(&rga2_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(&rga2_service.lock);
+ rga2_del_running_list_timeout();
+ rga2_try_set_reg();
+ mutex_unlock(&rga2_service.lock);
+ ret = -ETIMEDOUT;
+ }
+
+ #if RGA2_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 rga2_get_result(rga2_session *session, unsigned long arg)
+{
+ 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 rga2_check_param(const struct rga2_req *req)
+{
+ if(!((req->render_mode == color_fill_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)))
+ {
+ 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 > 4096) || (req->dst.act_h <= 0) || (req->dst.act_h > 4096)))
+ {
+ 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 > 4096)))
+ {
+ 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 rga2_copy_reg(struct rga2_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, &rga2_service.cmd_num);
+ atomic_add(1, ®->session->task_running);
+
+ cmd_buf = (uint32_t *)rga2_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 rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
+{
+ int32_t ret;
+ struct rga2_reg *reg = kzalloc(sizeof(struct rga2_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.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
+ || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
+ {
+ ret = rga2_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(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1) {
+ printk("gen reg info error\n");
+ if(reg != NULL)
+ kfree(reg);
+
+ return NULL;
+ }
+
+ mutex_lock(&rga2_service.lock);
+ list_add_tail(®->status_link, &rga2_service.waiting);
+ list_add_tail(®->session_link, &session->waiting);
+ mutex_unlock(&rga2_service.lock);
+
+ return reg;
+}
+
+
+/* Caller must hold rga_service.lock */
+static void rga2_reg_deinit(struct rga2_reg *reg)
+{
+ list_del_init(®->session_link);
+ list_del_init(®->status_link);
+ kfree(reg);
+}
+
+/* Caller must hold rga_service.lock */
+static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
+{
+ list_del_init(®->status_link);
+ list_add_tail(®->status_link, &rga2_service.running);
+
+ list_del_init(®->session_link);
+ list_add_tail(®->session_link, ®->session->running);
+}
+
+/* Caller must hold rga_service.lock */
+static void rga2_service_session_clear(rga2_session *session)
+{
+ struct rga2_reg *reg, *n;
+
+ list_for_each_entry_safe(reg, n, &session->waiting, session_link)
+ {
+ rga2_reg_deinit(reg);
+ }
+
+ list_for_each_entry_safe(reg, n, &session->running, session_link)
+ {
+ rga2_reg_deinit(reg);
+ }
+}
+
+/* Caller must hold rga_service.lock */
+static void rga2_try_set_reg(void)
+{
+ struct rga2_reg *reg ;
+
+ if (list_empty(&rga2_service.running))
+ {
+ if (!list_empty(&rga2_service.waiting))
+ {
+ /* RGA is idle */
+ reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
+
+ rga2_power_on();
+ udelay(1);
+
+ rga2_copy_reg(reg, 0);
+ rga2_reg_from_wait_to_run(reg);
+
+#ifdef CONFIG_ARM
+ dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
+ outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
+#elif defined(CONFIG_ARM64)
+ __dma_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
+#endif
+
+ //rga2_soft_reset();
+
+ rga2_write(0x0, RGA2_SYS_CTRL);
+
+ /* CMD buff */
+ rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
+
+#if RGA2_TEST
+ if(rga2_flag) {
+ int32_t i, *p;
+ p = rga2_service.cmd_buff;
+ printk("CMD_REG\n");
+ for (i=0; i<8; i++)
+ printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
+ }
+#endif
+
+ /* master mode */
+ rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
+
+ /* All CMD finish int */
+ rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<9)|(0x1<<8), RGA2_INT);
+
+#if RGA2_TEST_TIME
+ rga2_start = ktime_get();
+#endif
+
+ /* Start proc */
+ atomic_set(®->session->done, 0);
+ rga2_write(0x1, RGA2_CMD_CTRL);
+#if RGA2_TEST
+ if(rga2_flag)
+ {
+ uint32_t i;
+ printk("CMD_READ_BACK_REG\n");
+ for (i=0; i<8; i++)
+ printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
+ rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
+ }
+#endif
+ }
+ }
+}
+
+/* Caller must hold rga_service.lock */
+static void rga2_del_running_list(void)
+{
+ struct rga2_reg *reg;
+
+ while(!list_empty(&rga2_service.running))
+ {
+ reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
+
+ if(reg->MMU_len != 0)
+ {
+ if (rga2_mmu_buf.back + reg->MMU_len > 2*rga2_mmu_buf.size)
+ rga2_mmu_buf.back = reg->MMU_len + rga2_mmu_buf.size;
+ else
+ rga2_mmu_buf.back += reg->MMU_len;
+ }
+ atomic_sub(1, ®->session->task_running);
+ atomic_sub(1, &rga2_service.total_running);
+
+ if(list_empty(®->session->waiting))
+ {
+ atomic_set(®->session->done, 1);
+ wake_up(®->session->wait);
+ }
+
+ rga2_reg_deinit(reg);
+ }
+}
+
+/* Caller must hold rga_service.lock */
+static void rga2_del_running_list_timeout(void)
+{
+ struct rga2_reg *reg;
+
+ while(!list_empty(&rga2_service.running))
+ {
+ reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
+
+ if(reg->MMU_base != NULL)
+ {
+ kfree(reg->MMU_base);
+ }
+
+ atomic_sub(1, ®->session->task_running);
+ atomic_sub(1, &rga2_service.total_running);
+
+ rga2_soft_reset();
+
+ if(list_empty(®->session->waiting))
+ {
+ atomic_set(®->session->done, 1);
+ wake_up(®->session->wait);
+ }
+
+ rga2_reg_deinit(reg);
+ }
+}
+
+static int rga2_convert_dma_buf(struct rga2_req *req)
+{
+ struct ion_handle *hdl;
+ ion_phys_addr_t phy_addr;
+ size_t len;
+ int ret;
+
+ req->sg_src0 = NULL;
+ req->sg_src1 = NULL;
+ req->sg_dst = NULL;
+ req->sg_els = NULL;
+
+ if((int)req->src.yrgb_addr > 0) {
+ hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src.yrgb_addr);
+ if (IS_ERR(hdl)) {
+ ret = PTR_ERR(hdl);
+ printk("RGA2 SRC ERROR ion buf handle\n");
+ return ret;
+ }
+ if (req->mmu_info.src0_mmu_flag) {
+ req->sg_src0 = ion_sg_table(rga2_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(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
+ req->src.yrgb_addr = phy_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;
+ }
+ ion_free(rga2_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((int)req->dst.yrgb_addr > 0) {
+ hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->dst.yrgb_addr);
+ if (IS_ERR(hdl)) {
+ ret = PTR_ERR(hdl);
+ printk("RGA2 DST ERROR ion buf handle\n");
+ return ret;
+ }
+ if (req->mmu_info.dst_mmu_flag) {
+ req->sg_dst = ion_sg_table(rga2_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(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
+ req->dst.yrgb_addr = phy_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;
+ }
+ ion_free(rga2_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;
+ }
+
+ if((int)req->src1.yrgb_addr > 0) {
+ hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src1.yrgb_addr);
+ if (IS_ERR(hdl)) {
+ ret = PTR_ERR(hdl);
+ printk("RGA2 ERROR ion buf handle\n");
+ return ret;
+ }
+ if (req->mmu_info.dst_mmu_flag) {
+ req->sg_src1 = ion_sg_table(rga2_drvdata->ion_client, hdl);
+ req->src1.yrgb_addr = 0;
+ req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
+ req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
+ }
+ else {
+ ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
+ req->src1.yrgb_addr = phy_addr;
+ req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
+ req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
+ }
+ ion_free(rga2_drvdata->ion_client, hdl);
+ }
+ else {
+ req->src1.yrgb_addr = req->dst.uv_addr;
+ req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
+ req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
+ }
+
+ return 0;
+}
+
+static int rga2_blit(rga2_session *session, struct rga2_req *req)
+{
+ int ret = -1;
+ int num = 0;
+ struct rga2_reg *reg;
+
+ if(rga2_convert_dma_buf(req)) {
+ printk("RGA2 : DMA buf copy error\n");
+ return -EFAULT;
+ }
+
+ do {
+ /* check value if legal */
+ ret = rga2_check_param(req);
+ if(ret == -EINVAL) {
+ printk("req argument is inval\n");
+ break;
+ }
+
+ reg = rga2_reg_init(session, req);
+ if(reg == NULL) {
+ break;
+ }
+ num = 1;
+
+ mutex_lock(&rga2_service.lock);
+ atomic_add(num, &rga2_service.total_running);
+ rga2_try_set_reg();
+ mutex_unlock(&rga2_service.lock);
+
+ return 0;
+ }
+ while(0);
+
+ return -EFAULT;
+}
+
+static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
+{
+ int ret = -1;
+
+#if RGA2_TEST_MSG
+ if (1) {//req->src.format >= 0x10) {
+ print_info(req);
+ rga2_flag = 1;
+ printk("*** rga_blit_async proc ***\n");
+ }
+ else
+ rga2_flag = 0;
+#endif
+ atomic_set(&session->done, 0);
+ ret = rga2_blit(session, req);
+
+ return ret;
+ }
+
+static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
+{
+ int ret = -1;
+ int ret_timeout = 0;
+
+#if RGA2_TEST_MSG
+ if (1) {//req->bitblt_mode == 0x2) {
+ print_info(req);
+ rga2_flag = 1;
+ printk("*** rga2_blit_sync proc ***\n");
+ }
+ else
+ rga2_flag = 0;
+#endif
+
+ atomic_set(&session->done, 0);
+
+ ret = rga2_blit(session, req);
+ if(ret < 0)
+ return ret;
+
+ ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
+
+ if (unlikely(ret_timeout< 0))
+ {
+ //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
+ mutex_lock(&rga2_service.lock);
+ rga2_del_running_list();
+ mutex_unlock(&rga2_service.lock);
+ ret = ret_timeout;
+ }
+ else if (0 == ret_timeout)
+ {
+ //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
+ mutex_lock(&rga2_service.lock);
+ rga2_del_running_list_timeout();
+ rga2_try_set_reg();
+ mutex_unlock(&rga2_service.lock);
+ ret = -ETIMEDOUT;
+ }
+
+#if RGA2_TEST_TIME
+ rga2_end = ktime_get();
+ rga2_end = ktime_sub(rga2_end, rga2_start);
+ printk("sync one cmd end time %d\n", (int)ktime_to_us(rga2_end));
+#endif
+
+ return ret;
+ }
+
+static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
+{
+ struct rga2_req req, req_first;
+ struct rga_req req_rga;
+ int ret = 0;
+ rga2_session *session;
+
+ memset(&req, 0x0, sizeof(req));
+
+ mutex_lock(&rga2_service.mutex);
+
+ session = (rga2_session *)file->private_data;
+
+ if (NULL == session)
+ {
+ printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
+ mutex_unlock(&rga2_service.mutex);
+ return -EINVAL;
+ }
+
+ memset(&req, 0x0, sizeof(req));
+
+ switch (cmd)
+ {
+ case RGA_BLIT_SYNC:
+ if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
+ {
+ ERR("copy_from_user failed\n");
+ ret = -EFAULT;
+ break;
+ }
+ RGA_MSG_2_RGA2_MSG(&req_rga, &req);
+
+ if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
+ memcpy(&req_first, &req, sizeof(struct rga2_req));
+ if ((req_first.src.act_w != req_first.dst.act_w)
+ || (req_first.src.act_h != req_first.dst.act_h)) {
+ req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
+ req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
+ req_first.dst.act_w = req_first.src.act_w;
+ req_first.dst.act_h = req_first.src.act_h;
+ ret = rga2_blit_async(session, &req_first);
+ }
+ ret = rga2_blit_sync(session, &req);
+ first_RGA2_proc = 1;
+ }
+ else {
+ ret = rga2_blit_sync(session, &req);
+ }
+ break;
+ case RGA_BLIT_ASYNC:
+ if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
+ {
+ ERR("copy_from_user failed\n");
+ ret = -EFAULT;
+ break;
+ }
+
+ RGA_MSG_2_RGA2_MSG(&req_rga, &req);
+
+ if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
+ memcpy(&req_first, &req, sizeof(struct rga2_req));
+ if ((req_first.src.act_w != req_first.dst.act_w)
+ || (req_first.src.act_h != req_first.dst.act_h)) {
+ req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
+ req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
+ req_first.dst.act_w = req_first.src.act_w;
+ req_first.dst.act_h = req_first.src.act_h;
+ ret = rga2_blit_async(session, &req_first);
+ }
+ ret = rga2_blit_async(session, &req);
+ first_RGA2_proc = 1;
+ }
+ else {
+ ret = rga2_blit_async(session, &req);
+ }
+ break;
+ case RGA2_BLIT_SYNC:
+ if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
+ {
+ ERR("copy_from_user failed\n");
+ ret = -EFAULT;
+ break;
+ }
+ ret = rga2_blit_sync(session, &req);
+ break;
+ case RGA2_BLIT_ASYNC:
+ if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
+ {
+ ERR("copy_from_user failed\n");
+ ret = -EFAULT;
+ break;
+ }
+
+ if((atomic_read(&rga2_service.total_running) > 16))
+ {
+ ret = rga2_blit_sync(session, &req);
+ }
+ else
+ {
+ ret = rga2_blit_async(session, &req);
+ }
+ break;
+ case RGA_FLUSH:
+ case RGA2_FLUSH:
+ ret = rga2_flush(session, arg);
+ break;
+ case RGA_GET_RESULT:
+ case RGA2_GET_RESULT:
+ ret = rga2_get_result(session, arg);
+ break;
+ case RGA_GET_VERSION:
+ case RGA2_GET_VERSION:
+ ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
+ //ret = 0;
+ break;
+ default:
+ ERR("unknown ioctl cmd!\n");
+ ret = -EINVAL;
+ break;
+ }
+
+ mutex_unlock(&rga2_service.mutex);
+
+ return ret;
+}
+
+#ifdef CONFIG_COMPAT
+static long compat_rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
+{
+ struct rga2_req req, req_first;
+ struct rga_req_32 req_rga;
+ int ret = 0;
+ rga2_session *session;
+
+ memset(&req, 0x0, sizeof(req));
+
+ mutex_lock(&rga2_service.mutex);
+
+ session = (rga2_session *)file->private_data;
+
+#if RGA2_TEST_MSG
+ printk("use compat_rga_ioctl\n");
+#endif
+
+ if (NULL == session) {
+ printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
+ mutex_unlock(&rga2_service.mutex);
+ return -EINVAL;
+ }
+
+ memset(&req, 0x0, sizeof(req));
+
+ switch (cmd) {
+ case RGA_BLIT_SYNC:
+ if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
+ {
+ ERR("copy_from_user failed\n");
+ ret = -EFAULT;
+ break;
+ }
+
+ RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
+
+ if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
+ memcpy(&req_first, &req, sizeof(struct rga2_req));
+ if ((req_first.src.act_w != req_first.dst.act_w)
+ || (req_first.src.act_h != req_first.dst.act_h)) {
+ req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
+ req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
+ req_first.dst.act_w = req_first.src.act_w;
+ req_first.dst.act_h = req_first.src.act_h;
+ ret = rga2_blit_async(session, &req_first);
+ }
+ ret = rga2_blit_sync(session, &req);
+ first_RGA2_proc = 1;
+ }
+ else {
+ ret = rga2_blit_sync(session, &req);
+ }
+ break;
+ case RGA_BLIT_ASYNC:
+ if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
+ {
+ ERR("copy_from_user failed\n");
+ ret = -EFAULT;
+ break;
+ }
+ RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
+
+ if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
+ memcpy(&req_first, &req, sizeof(struct rga2_req));
+ if ((req_first.src.act_w != req_first.dst.act_w)
+ || (req_first.src.act_h != req_first.dst.act_h)) {
+ req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
+ req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
+ req_first.dst.act_w = req_first.src.act_w;
+ req_first.dst.act_h = req_first.src.act_h;
+ ret = rga2_blit_async(session, &req_first);
+ }
+ ret = rga2_blit_sync(session, &req);
+ first_RGA2_proc = 1;
+ }
+ else {
+ ret = rga2_blit_sync(session, &req);
+ }
+
+ //if((atomic_read(&rga2_service.total_running) > 8))
+ // ret = rga2_blit_sync(session, &req);
+ //else
+ // ret = rga2_blit_async(session, &req);
+
+ break;
+ case RGA2_BLIT_SYNC:
+ if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
+ {
+ ERR("copy_from_user failed\n");
+ ret = -EFAULT;
+ break;
+ }
+ ret = rga2_blit_sync(session, &req);
+ break;
+ case RGA2_BLIT_ASYNC:
+ if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
+ {
+ ERR("copy_from_user failed\n");
+ ret = -EFAULT;
+ break;
+ }
+
+ if((atomic_read(&rga2_service.total_running) > 16))
+ ret = rga2_blit_sync(session, &req);
+ else
+ ret = rga2_blit_async(session, &req);
+
+ break;
+ case RGA_FLUSH:
+ case RGA2_FLUSH:
+ ret = rga2_flush(session, arg);
+ break;
+ case RGA_GET_RESULT:
+ case RGA2_GET_RESULT:
+ ret = rga2_get_result(session, arg);
+ break;
+ case RGA_GET_VERSION:
+ case RGA2_GET_VERSION:
+ ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
+ //ret = 0;
+ break;
+ default:
+ ERR("unknown ioctl cmd!\n");
+ ret = -EINVAL;
+ break;
+ }
+
+ mutex_unlock(&rga2_service.mutex);
+
+ return ret;
+}
+#endif
+
+
+long rga2_ioctl_kernel(struct rga_req *req_rga)
+{
+ int ret = 0;
+ rga2_session *session;
+ struct rga2_req req;
+
+ memset(&req, 0x0, sizeof(req));
+ mutex_lock(&rga2_service.mutex);
+ session = &rga2_session_global;
+ if (NULL == session)
+ {
+ printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
+ mutex_unlock(&rga2_service.mutex);
+ return -EINVAL;
+ }
+
+ RGA_MSG_2_RGA2_MSG(req_rga, &req);
+ ret = rga2_blit_sync(session, &req);
+ mutex_unlock(&rga2_service.mutex);
+
+ return ret;
+}
+
+
+static int rga2_open(struct inode *inode, struct file *file)
+{
+ rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
+
+ if (NULL == session) {
+ pr_err("unable to allocate memory for rga_session.");
+ return -ENOMEM;
+ }
+
+ 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);
+ mutex_lock(&rga2_service.lock);
+ list_add_tail(&session->list_session, &rga2_service.session);
+ mutex_unlock(&rga2_service.lock);
+ atomic_set(&session->task_running, 0);
+ atomic_set(&session->num_done, 0);
+ file->private_data = (void *)session;
+
+ return nonseekable_open(inode, file);
+}
+
+static int rga2_release(struct inode *inode, struct file *file)
+{
+ int task_running;
+ rga2_session *session = (rga2_session *)file->private_data;
+
+ if (NULL == session)
+ return -EINVAL;
+
+ task_running = atomic_read(&session->task_running);
+ if (task_running)
+ {
+ pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
+ msleep(100);
+ }
+
+ wake_up(&session->wait);
+ mutex_lock(&rga2_service.lock);
+ list_del(&session->list_session);
+ rga2_service_session_clear(session);
+ kfree(session);
+ mutex_unlock(&rga2_service.lock);
+
+ return 0;
+}
+
+static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
+{
+ mutex_lock(&rga2_service.lock);
+ if (rga2_service.enable) {
+ rga2_del_running_list();
+ rga2_try_set_reg();
+ }
+ mutex_unlock(&rga2_service.lock);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t rga2_irq(int irq, void *dev_id)
+{
+ /*clear INT */
+ rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
+
+ return IRQ_WAKE_THREAD;
+}
+
+struct file_operations rga2_fops = {
+ .owner = THIS_MODULE,
+ .open = rga2_open,
+ .release = rga2_release,
+ .unlocked_ioctl = rga_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = compat_rga_ioctl,
+#endif
+};
+
+static struct miscdevice rga2_dev ={
+ .minor = RGA2_MAJOR,
+ .name = "rga",
+ .fops = &rga2_fops,
+};
+
+static const struct of_device_id rockchip_rga_dt_ids[] = {
+ { .compatible = "rockchip,rga2", },
+ {},
+};
+
+static int rga2_drv_probe(struct platform_device *pdev)
+{
+ struct rga2_drvdata_t *data;
+ struct resource *res;
+ int ret = 0;
+ struct device_node *np = pdev->dev.of_node;
+
+ mutex_init(&rga2_service.lock);
+ mutex_init(&rga2_service.mutex);
+ atomic_set(&rga2_service.total_running, 0);
+ atomic_set(&rga2_service.src_format_swt, 0);
+ rga2_service.last_prc_src_format = 1; /* default is yuv first*/
+ rga2_service.enable = false;
+
+ rga_ioctl_kernel_p = rga2_ioctl_kernel;
+
+ data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);
+ if(NULL == data)
+ {
+ ERR("failed to allocate driver data.\n");
+ return -ENOMEM;
+ }
+
+ INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
+ wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
+
+ data->rga2 = devm_clk_get(&pdev->dev, "clk_rga");
+ data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");
+ data->hclk_rga2 = 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 = platform_get_irq(pdev, 0);
+ if (data->irq <= 0) {
+ ERR("failed to get rga irq resource (%d).\n", data->irq);
+ ret = data->irq;
+ goto err_irq;
+ }
+
+ /* request the IRQ */
+ ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
+ if (ret)
+ {
+ ERR("rga request_irq failed (%d).\n", ret);
+ goto err_irq;
+ }
+
+ platform_set_drvdata(pdev, data);
+ rga2_drvdata = data;
+ of_property_read_u32(np, "dev_mode", &rga2_service.dev_mode);
+
+#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(&rga2_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 rga2_drv_remove(struct platform_device *pdev)
+{
+ struct rga2_drvdata_t *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));
+
+ devm_clk_put(&pdev->dev, data->rga2);
+ devm_clk_put(&pdev->dev, data->aclk_rga2);
+ devm_clk_put(&pdev->dev, data->hclk_rga2);
+
+ kfree(data);
+ return 0;
+}
+
+static struct platform_driver rga2_driver = {
+ .probe = rga2_drv_probe,
+ .remove = rga2_drv_remove,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "rga2",
+ .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
+ },
+};
+
+
+void rga2_test_0(void);
+
+static int __init rga2_init(void)
+{
+ int ret;
+ uint32_t *buf_p;
+
+ /* malloc pre scale mid buf mmu table */
+ buf_p = kmalloc(1024*256, GFP_KERNEL);
+ rga2_mmu_buf.buf_virtual = buf_p;
+ rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((unsigned long)buf_p));
+ rga2_mmu_buf.front = 0;
+ rga2_mmu_buf.back = 64*1024;
+ rga2_mmu_buf.size = 64*1024;
+
+ rga2_mmu_buf.pages = kmalloc(32768 * sizeof(struct page *), GFP_KERNEL);
+
+ if ((ret = platform_driver_register(&rga2_driver)) != 0)
+ {
+ printk(KERN_ERR "Platform device register failed (%d).\n", ret);
+ return ret;
+ }
+
+ rga2_session_global.pid = 0x0000ffff;
+ INIT_LIST_HEAD(&rga2_session_global.waiting);
+ INIT_LIST_HEAD(&rga2_session_global.running);
+ INIT_LIST_HEAD(&rga2_session_global.list_session);
+
+ INIT_LIST_HEAD(&rga2_service.waiting);
+ INIT_LIST_HEAD(&rga2_service.running);
+ INIT_LIST_HEAD(&rga2_service.done);
+ INIT_LIST_HEAD(&rga2_service.session);
+ init_waitqueue_head(&rga2_session_global.wait);
+ //mutex_lock(&rga_service.lock);
+ list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
+ //mutex_unlock(&rga_service.lock);
+ atomic_set(&rga2_session_global.task_running, 0);
+ atomic_set(&rga2_session_global.num_done, 0);
+
+#if RGA2_TEST_CASE
+ rga2_test_0();
+#endif
+
+ INFO("Module initialized.\n");
+
+ return 0;
+}
+
+static void __exit rga2_exit(void)
+{
+ rga2_power_off();
+
+ if (rga2_mmu_buf.buf_virtual)
+ kfree(rga2_mmu_buf.buf_virtual);
+
+ platform_driver_unregister(&rga2_driver);
+}
+
+
+#if RGA2_TEST_CASE
+
+void rga2_test_0(void)
+{
+ struct rga2_req req;
+ rga2_session session;
+ unsigned int *src, *dst;
+ uint32_t i, j;
+ uint32_t *dst0;
+
+ 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, &rga2_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 rga2_req));
+ src = kmalloc(800*480*4, GFP_KERNEL);
+ dst = kmalloc(800*480*4, GFP_KERNEL);
+
+ printk("\n********************************\n");
+ printk("************ RGA2_TEST ************\n");
+ printk("********************************\n\n");
+
+ memset(src, 0x80, 800*480*4);
+ memset(dst, 0x0, 800*480*4);
+
+ //dmac_flush_range(&src, &src[800*480*4]);
+ //outer_flush_range(virt_to_phys(&src),virt_to_phys(&src[800*480*4]));
+
+#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 = (uint32_t *)&dst;
+ i = j = 0;
+#if 0
+ req.pat.act_w = 16;
+ req.pat.act_h = 16;
+ req.pat.vir_w = 16;
+ req.pat.vir_h = 16;
+ req.pat.yrgb_addr = virt_to_phys(src);
+ req.render_mode = 0;
+ rga2_blit_sync(&session, &req);
+#endif
+
+ req.src.act_w = 320;
+ req.src.act_h = 240;
+
+ req.src.vir_w = 320;
+ req.src.vir_h = 240;
+ req.src.yrgb_addr = 0;//(uint32_t)virt_to_phys(src);
+ req.src.uv_addr = (unsigned long)virt_to_phys(src);
+ req.src.v_addr = 0;
+ req.src.format = RGA2_FORMAT_RGBA_8888;
+
+ req.dst.act_w = 320;
+ req.dst.act_h = 240;
+ req.dst.x_offset = 0;
+ req.dst.y_offset = 0;
+
+ req.dst.vir_w = 320;
+ req.dst.vir_h = 240;
+
+ req.dst.yrgb_addr = 0;//((uint32_t)virt_to_phys(dst));
+ req.dst.uv_addr = (unsigned long)virt_to_phys(dst);
+ req.dst.format = RGA2_FORMAT_RGBA_8888;
+
+ //dst = dst0;
+
+ //req.render_mode = color_fill_mode;
+ //req.fg_color = 0x80ffffff;
+
+ req.rotate_mode = 0;
+ req.scale_bicu_mode = 2;
+
+ //req.alpha_rop_flag = 0;
+ //req.alpha_rop_mode = 0x19;
+ //req.PD_mode = 3;
+
+ //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);
+
+ rga2_blit_sync(&session, &req);
+
+ for(j=0; j<100; j++) {
+ printk("%.8x\n", dst[j]);
+ }
+
+ if(src)
+ kfree(src);
+ if(dst)
+ kfree(dst);
+}
+#endif
+
+module_init(rga2_init);
+module_exit(rga2_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