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path: root/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c
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Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c')
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c111
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;
-}
-