diff options
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c')
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c | 111 |
1 files changed, 10 insertions, 101 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c index 91a415573bd..f0a41c95df8 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c @@ -1,7 +1,7 @@ /* * linux/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c * - * Copyright (C) 2011 Samsung Electronics Co., Ltd. + * Copyright (C) 2012 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * This program is free software; you can redistribute it and/or modify @@ -10,111 +10,20 @@ * (at your option) any later version. */ -#include "regs-mfc.h" #include "s5p_mfc_cmd.h" #include "s5p_mfc_common.h" #include "s5p_mfc_debug.h" +#include "s5p_mfc_cmd_v5.h" +#include "s5p_mfc_cmd_v6.h" -/* This function is used to send a command to the MFC */ -static int s5p_mfc_cmd_host2risc(struct s5p_mfc_dev *dev, int cmd, - struct s5p_mfc_cmd_args *args) -{ - int cur_cmd; - unsigned long timeout; - - timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT); - /* wait until host to risc command register becomes 'H2R_CMD_EMPTY' */ - do { - if (time_after(jiffies, timeout)) { - mfc_err("Timeout while waiting for hardware\n"); - return -EIO; - } - cur_cmd = mfc_read(dev, S5P_FIMV_HOST2RISC_CMD); - } while (cur_cmd != S5P_FIMV_H2R_CMD_EMPTY); - mfc_write(dev, args->arg[0], S5P_FIMV_HOST2RISC_ARG1); - mfc_write(dev, args->arg[1], S5P_FIMV_HOST2RISC_ARG2); - mfc_write(dev, args->arg[2], S5P_FIMV_HOST2RISC_ARG3); - mfc_write(dev, args->arg[3], S5P_FIMV_HOST2RISC_ARG4); - /* Issue the command */ - mfc_write(dev, cmd, S5P_FIMV_HOST2RISC_CMD); - return 0; -} - -/* Initialize the MFC */ -int s5p_mfc_sys_init_cmd(struct s5p_mfc_dev *dev) -{ - struct s5p_mfc_cmd_args h2r_args; - - memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args)); - h2r_args.arg[0] = dev->fw_size; - return s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_SYS_INIT, &h2r_args); -} - -/* Suspend the MFC hardware */ -int s5p_mfc_sleep_cmd(struct s5p_mfc_dev *dev) -{ - struct s5p_mfc_cmd_args h2r_args; - - memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args)); - return s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_SLEEP, &h2r_args); -} +static struct s5p_mfc_hw_cmds *s5p_mfc_cmds; -/* Wake up the MFC hardware */ -int s5p_mfc_wakeup_cmd(struct s5p_mfc_dev *dev) +void s5p_mfc_init_hw_cmds(struct s5p_mfc_dev *dev) { - struct s5p_mfc_cmd_args h2r_args; + if (IS_MFCV6(dev)) + s5p_mfc_cmds = s5p_mfc_init_hw_cmds_v6(); + else + s5p_mfc_cmds = s5p_mfc_init_hw_cmds_v5(); - memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args)); - return s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_WAKEUP, &h2r_args); + dev->mfc_cmds = s5p_mfc_cmds; } - - -int s5p_mfc_open_inst_cmd(struct s5p_mfc_ctx *ctx) -{ - struct s5p_mfc_dev *dev = ctx->dev; - struct s5p_mfc_cmd_args h2r_args; - int ret; - - /* Preparing decoding - getting instance number */ - mfc_debug(2, "Getting instance number (codec: %d)\n", ctx->codec_mode); - dev->curr_ctx = ctx->num; - memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args)); - h2r_args.arg[0] = ctx->codec_mode; - h2r_args.arg[1] = 0; /* no crc & no pixelcache */ - h2r_args.arg[2] = ctx->ctx_ofs; - h2r_args.arg[3] = ctx->ctx_size; - ret = s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_OPEN_INSTANCE, - &h2r_args); - if (ret) { - mfc_err("Failed to create a new instance\n"); - ctx->state = MFCINST_ERROR; - } - return ret; -} - -int s5p_mfc_close_inst_cmd(struct s5p_mfc_ctx *ctx) -{ - struct s5p_mfc_dev *dev = ctx->dev; - struct s5p_mfc_cmd_args h2r_args; - int ret; - - if (ctx->state == MFCINST_FREE) { - mfc_err("Instance already returned\n"); - ctx->state = MFCINST_ERROR; - return -EINVAL; - } - /* Closing decoding instance */ - mfc_debug(2, "Returning instance number %d\n", ctx->inst_no); - dev->curr_ctx = ctx->num; - memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args)); - h2r_args.arg[0] = ctx->inst_no; - ret = s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_CLOSE_INSTANCE, - &h2r_args); - if (ret) { - mfc_err("Failed to return an instance\n"); - ctx->state = MFCINST_ERROR; - return -EINVAL; - } - return 0; -} - |