// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2020 Rockchip Electronics Co., Ltd
*
* author:
* Alpha Lin, alpha.lin@rock-chips.com
* Ding Wei, leo.ding@rock-chips.com
*
*/
#include <linux/pm_runtime.h>
#include "mpp_debug.h"
#include "mpp_common.h"
#include "mpp_iommu.h"
#include "mpp_rkvdec2_link.h"
#include "hack/mpp_rkvdec2_hack_rk3568.c"
#include <linux/devfreq_cooling.h>
#include <soc/rockchip/rockchip_ipa.h>
#include <soc/rockchip/rockchip_opp_select.h>
#include <soc/rockchip/rockchip_system_monitor.h>
#ifdef CONFIG_PM_DEVFREQ
#include "../drivers/devfreq/governor.h"
#endif
/*
* hardware information
*/
static struct mpp_hw_info rkvdec_v2_hw_info = {
.reg_num = RKVDEC_REG_NUM,
.reg_id = RKVDEC_REG_HW_ID_INDEX,
.reg_start = RKVDEC_REG_START_INDEX,
.reg_end = RKVDEC_REG_END_INDEX,
.reg_en = RKVDEC_REG_START_EN_INDEX,
.link_info = &rkvdec_link_v2_hw_info,
};
static struct mpp_hw_info rkvdec_rk356x_hw_info = {
.reg_num = RKVDEC_REG_NUM,
.reg_id = RKVDEC_REG_HW_ID_INDEX,
.reg_start = RKVDEC_REG_START_INDEX,
.reg_end = RKVDEC_REG_END_INDEX,
.reg_en = RKVDEC_REG_START_EN_INDEX,
.link_info = &rkvdec_link_rk356x_hw_info,
};
/*
* file handle translate information
*/
static const u16 trans_tbl_h264d[] = {
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
161, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176,
177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197
};
static const u16 trans_tbl_h265d[] = {
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
161, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176,
177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197
};
static const u16 trans_tbl_vp9d[] = {
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
160, 162, 164, 165, 166, 167, 168, 169, 170, 171, 172, 180, 181, 182, 183,
184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197
};
static const u16 trans_tbl_avs2d[] = {
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
161, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176,
177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197
};
static struct mpp_trans_info rkvdec_v2_trans[] = {
[RKVDEC_FMT_H265D] = {
.count = ARRAY_SIZE(trans_tbl_h265d),
.table = trans_tbl_h265d,
},
[RKVDEC_FMT_H264D] = {
.count = ARRAY_SIZE(trans_tbl_h264d),
.table = trans_tbl_h264d,
},
[RKVDEC_FMT_VP9D] = {
.count = ARRAY_SIZE(trans_tbl_vp9d),
.table = trans_tbl_vp9d,
},
[RKVDEC_FMT_AVS2] = {
.count = ARRAY_SIZE(trans_tbl_avs2d),
.table = trans_tbl_avs2d,
}
};
static int mpp_extract_rcb_info(struct rkvdec2_rcb_info *rcb_inf,
struct mpp_request *req)
{
int max_size = ARRAY_SIZE(rcb_inf->elem);
int cnt = req->size / sizeof(rcb_inf->elem[0]);
if (req->size > sizeof(rcb_inf->elem)) {
mpp_err("count %d,max_size %d\n", cnt, max_size);
return -EINVAL;
}
if (copy_from_user(rcb_inf->elem, req->data, req->size)) {
mpp_err("copy_from_user failed\n");
return -EINVAL;
}
rcb_inf->cnt = cnt;
return 0;
}
static int rkvdec2_extract_task_msg(struct mpp_session *session,
struct rkvdec2_task *task,
struct mpp_task_msgs *msgs)
{
u32 i;
int ret;
struct mpp_request *req;
struct mpp_hw_info *hw_info = task->mpp_task.hw_info;
for (i = 0; i < msgs->req_cnt; i++) {
u32 off_s, off_e;
req = &msgs->reqs[i];
if (!req->size)
continue;
switch (req->cmd) {
case MPP_CMD_SET_REG_WRITE: {
off_s = hw_info->reg_start * sizeof(u32);
off_e = hw_info->reg_end * sizeof(u32);
ret = mpp_check_req(req, 0, sizeof(task->reg), off_s, off_e);
if (ret)
continue;
if (copy_from_user((u8 *)task->reg + req->offset,
req->data, req->size)) {
mpp_err("copy_from_user reg failed\n");
return -EIO;
}
memcpy(&task->w_reqs[task->w_req_cnt++], req, sizeof(*req));
} break;
case MPP_CMD_SET_REG_READ: {
int req_base;
int max_size;
if (req->offset >= RKVDEC_PERF_SEL_OFFSET) {
req_base = RKVDEC_PERF_SEL_OFFSET;
max_size = sizeof(task->reg_sel);
} else {
req_base = 0;
max_size = sizeof(task->reg);
}
ret = mpp_check_req(req, req_base, max_size, 0, max_size);
if (ret)
continue;
memcpy(&task->r_reqs[task->r_req_cnt++], req, sizeof(*req));
} break;
case MPP_CMD_SET_REG_ADDR_OFFSET: {
mpp_extract_reg_offset_info(&task->off_inf, req);
} break;
case MPP_CMD_SET_RCB_INFO: {
struct rkvdec2_session_priv *priv = session->priv;
if (priv)
mpp_extract_rcb_info(&priv->rcb_inf, req);
} break;
default:
break;
}
}
mpp_debug(DEBUG_TASK_INFO, "w_req_cnt %d, r_req_cnt %d\n",
task->w_req_cnt, task->r_req_cnt);
return 0;
}
int mpp_set_rcbbuf(struct mpp_dev *mpp, struct mpp_session *session,
struct mpp_task *task)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
struct rkvdec2_session_priv *priv = session->priv;
mpp_debug_enter();
if (priv && dec->rcb_iova) {
int i;
u32 reg_idx, rcb_size, rcb_offset;
struct rkvdec2_rcb_info *rcb_inf = &priv->rcb_inf;
u32 width = priv->codec_info[DEC_INFO_WIDTH].val;
if (width < dec->rcb_min_width)
goto done;
rcb_offset = 0;
for (i = 0; i < rcb_inf->cnt; i++) {
reg_idx = rcb_inf->elem[i].index;
rcb_size = rcb_inf->elem[i].size;
if ((rcb_offset + rcb_size) > dec->rcb_size) {
mpp_debug(DEBUG_SRAM_INFO,
"rcb: reg %d use original buffer\n", reg_idx);
continue;
}
mpp_debug(DEBUG_SRAM_INFO, "rcb: reg %d offset %d, size %d\n",
reg_idx, rcb_offset, rcb_size);
task->reg[reg_idx] = dec->rcb_iova + rcb_offset;
rcb_offset += rcb_size;
}
}
done:
mpp_debug_leave();
return 0;
}
int rkvdec2_task_init(struct mpp_dev *mpp, struct mpp_session *session,
struct rkvdec2_task *task, struct mpp_task_msgs *msgs)
{
int ret;
struct mpp_task *mpp_task = &task->mpp_task;
mpp_debug_enter();
mpp_task_init(session, mpp_task);
mpp_task->hw_info = mpp->var->hw_info;
mpp_task->reg = task->reg;
/* extract reqs for current task */
ret = rkvdec2_extract_task_msg(session, task, msgs);
if (ret)
return ret;
/* process fd in register */
if (!(msgs->flags & MPP_FLAGS_REG_FD_NO_TRANS)) {
u32 fmt = RKVDEC_GET_FORMAT(task->reg[RKVDEC_REG_FORMAT_INDEX]);
ret = mpp_translate_reg_address(session, mpp_task,
fmt, task->reg, &task->off_inf);
if (ret)
goto fail;
mpp_translate_reg_offset_info(mpp_task, &task->off_inf, task->reg);
}
task->strm_addr = task->reg[RKVDEC_REG_RLC_BASE_INDEX];
task->clk_mode = CLK_MODE_NORMAL;
task->slot_idx = -1;
init_waitqueue_head(&task->wait);
/* get resolution info */
if (session->priv) {
struct rkvdec2_session_priv *priv = session->priv;
u32 width = priv->codec_info[DEC_INFO_WIDTH].val;
u32 bitdepth = priv->codec_info[DEC_INFO_BITDEPTH].val;
task->width = (bitdepth > 8) ? ((width * bitdepth + 7) >> 3) : width;
task->height = priv->codec_info[DEC_INFO_HEIGHT].val;
task->pixels = task->width * task->height;
mpp_debug(DEBUG_TASK_INFO, "width=%d, bitdepth=%d, height=%d\n",
width, bitdepth, task->height);
}
mpp_debug_leave();
return 0;
fail:
mpp_task_dump_mem_region(mpp, mpp_task);
mpp_task_dump_reg(mpp, mpp_task);
mpp_task_finalize(session, mpp_task);
return ret;
}
void *rkvdec2_alloc_task(struct mpp_session *session,
struct mpp_task_msgs *msgs)
{
int ret;
struct rkvdec2_task *task;
task = kzalloc(sizeof(*task), GFP_KERNEL);
if (!task)
return NULL;
ret = rkvdec2_task_init(session->mpp, session, task, msgs);
if (ret) {
kfree(task);
return NULL;
}
mpp_set_rcbbuf(session->mpp, session, &task->mpp_task);
return &task->mpp_task;
}
static void *rkvdec2_rk3568_alloc_task(struct mpp_session *session,
struct mpp_task_msgs *msgs)
{
u32 fmt;
struct mpp_task *mpp_task = NULL;
struct rkvdec2_task *task = NULL;
mpp_task = rkvdec2_alloc_task(session, msgs);
if (!mpp_task)
return NULL;
task = to_rkvdec2_task(mpp_task);
fmt = RKVDEC_GET_FORMAT(task->reg[RKVDEC_REG_FORMAT_INDEX]);
/* workaround for rk356x, fix the hw bug of cabac/cavlc switch only in h264d */
task->need_hack = (fmt == RKVDEC_FMT_H264D);
return mpp_task;
}
static int rkvdec2_run(struct mpp_dev *mpp, struct mpp_task *mpp_task)
{
struct rkvdec2_task *task = to_rkvdec2_task(mpp_task);
u32 timing_en = mpp->srv->timing_en;
u32 reg_en = mpp_task->hw_info->reg_en;
/* set cache size */
u32 reg = RKVDEC_CACHE_PERMIT_CACHEABLE_ACCESS |
RKVDEC_CACHE_PERMIT_READ_ALLOCATE;
int i;
mpp_debug_enter();
if (!mpp_debug_unlikely(DEBUG_CACHE_32B))
reg |= RKVDEC_CACHE_LINE_SIZE_64_BYTES;
mpp_write_relaxed(mpp, RKVDEC_REG_CACHE0_SIZE_BASE, reg);
mpp_write_relaxed(mpp, RKVDEC_REG_CACHE1_SIZE_BASE, reg);
mpp_write_relaxed(mpp, RKVDEC_REG_CACHE2_SIZE_BASE, reg);
/* clear cache */
mpp_write_relaxed(mpp, RKVDEC_REG_CLR_CACHE0_BASE, 1);
mpp_write_relaxed(mpp, RKVDEC_REG_CLR_CACHE1_BASE, 1);
mpp_write_relaxed(mpp, RKVDEC_REG_CLR_CACHE2_BASE, 1);
/* set registers for hardware */
for (i = 0; i < task->w_req_cnt; i++) {
int s, e;
struct mpp_request *req = &task->w_reqs[i];
s = req->offset / sizeof(u32);
e = s + req->size / sizeof(u32);
mpp_write_req(mpp, task->reg, s, e, reg_en);
}
/* flush tlb before starting hardware */
mpp_iommu_flush_tlb(mpp->iommu_info);
/* init current task */
mpp->cur_task = mpp_task;
mpp_task_run_begin(mpp_task, timing_en, MPP_WORK_TIMEOUT_DELAY);
/* Flush the register before the start the device */
wmb();
mpp_write(mpp, RKVDEC_REG_START_EN_BASE, task->reg[reg_en] | RKVDEC_START_EN);
mpp_task_run_end(mpp_task, timing_en);
mpp_debug_leave();
return 0;
}
static int rkvdec2_rk3568_run(struct mpp_dev *mpp, struct mpp_task *mpp_task)
{
struct rkvdec2_task *task = to_rkvdec2_task(mpp_task);
int ret = 0;
mpp_debug_enter();
/*
* run fix before task processing
* workaround for rk356x, fix the hw bug of cabac/cavlc switch only in h264d
*/
if (task->need_hack)
rkvdec2_3568_hack_fix(mpp);
ret = rkvdec2_run(mpp, mpp_task);
mpp_debug_leave();
return ret;
}
static int rkvdec2_irq(struct mpp_dev *mpp)
{
mpp->irq_status = mpp_read(mpp, RKVDEC_REG_INT_EN);
if (!(mpp->irq_status & RKVDEC_IRQ_RAW))
return IRQ_NONE;
mpp_write(mpp, RKVDEC_REG_INT_EN, 0);
return IRQ_WAKE_THREAD;
}
static int rkvdec2_isr(struct mpp_dev *mpp)
{
u32 err_mask;
struct rkvdec2_task *task = NULL;
struct mpp_task *mpp_task = mpp->cur_task;
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
/* FIXME use a spin lock here */
if (!mpp_task) {
dev_err(mpp->dev, "no current task\n");
return IRQ_HANDLED;
}
mpp_task->hw_cycles = mpp_read(mpp, RKVDEC_PERF_WORKING_CNT);
mpp_time_diff(mpp_task, dec->core_clk_info.real_rate_hz);
mpp->cur_task = NULL;
task = to_rkvdec2_task(mpp_task);
task->irq_status = mpp->irq_status;
mpp_debug(DEBUG_IRQ_STATUS, "irq_status: %08x\n", task->irq_status);
err_mask = RKVDEC_COLMV_REF_ERR_STA | RKVDEC_BUF_EMPTY_STA |
RKVDEC_TIMEOUT_STA | RKVDEC_ERROR_STA;
if (err_mask & task->irq_status) {
atomic_inc(&mpp->reset_request);
mpp_debug(DEBUG_DUMP_ERR_REG, "irq_status: %08x\n", task->irq_status);
mpp_task_dump_hw_reg(mpp);
}
mpp_task_finish(mpp_task->session, mpp_task);
mpp_debug_leave();
return IRQ_HANDLED;
}
static int rkvdec2_read_perf_sel(struct mpp_dev *mpp, u32 *regs, u32 s, u32 e)
{
u32 i;
u32 sel0, sel1, sel2, val;
for (i = s; i < e; i += 3) {
/* set sel */
sel0 = i;
sel1 = ((i + 1) < e) ? (i + 1) : 0;
sel2 = ((i + 2) < e) ? (i + 2) : 0;
val = RKVDEC_SET_PERF_SEL(sel0, sel1, sel2);
writel_relaxed(val, mpp->reg_base + RKVDEC_PERF_SEL_BASE);
/* read data */
regs[sel0] = readl_relaxed(mpp->reg_base + RKVDEC_SEL_VAL0_BASE);
mpp_debug(DEBUG_GET_PERF_VAL, "sel[%d]:%u\n", sel0, regs[sel0]);
if (sel1) {
regs[sel1] = readl_relaxed(mpp->reg_base + RKVDEC_SEL_VAL1_BASE);
mpp_debug(DEBUG_GET_PERF_VAL, "sel[%d]:%u\n", sel1, regs[sel1]);
}
if (sel2) {
regs[sel2] = readl_relaxed(mpp->reg_base + RKVDEC_SEL_VAL2_BASE);
mpp_debug(DEBUG_GET_PERF_VAL, "sel[%d]:%u\n", sel2, regs[sel2]);
}
}
return 0;
}
static int rkvdec2_finish(struct mpp_dev *mpp, struct mpp_task *mpp_task)
{
u32 i;
u32 dec_get;
s32 dec_length;
struct rkvdec2_task *task = to_rkvdec2_task(mpp_task);
struct mpp_request *req;
u32 s, e;
mpp_debug_enter();
/* read register after running */
for (i = 0; i < task->r_req_cnt; i++) {
req = &task->r_reqs[i];
/* read perf register */
if (req->offset >= RKVDEC_PERF_SEL_OFFSET) {
int off = req->offset - RKVDEC_PERF_SEL_OFFSET;
s = off / sizeof(u32);
e = s + req->size / sizeof(u32);
rkvdec2_read_perf_sel(mpp, task->reg_sel, s, e);
} else {
s = req->offset / sizeof(u32);
e = s + req->size / sizeof(u32);
mpp_read_req(mpp, task->reg, s, e);
}
}
/* revert hack for irq status */
task->reg[RKVDEC_REG_INT_EN_INDEX] = task->irq_status;
/* revert hack for decoded length */
dec_get = mpp_read_relaxed(mpp, RKVDEC_REG_RLC_BASE);
dec_length = dec_get - task->strm_addr;
task->reg[RKVDEC_REG_RLC_BASE_INDEX] = dec_length << 10;
mpp_debug(DEBUG_REGISTER, "dec_get %08x dec_length %d\n", dec_get, dec_length);
if (mpp->srv->timing_en) {
s64 time_diff;
mpp_task->on_finish = ktime_get();
set_bit(TASK_TIMING_FINISH, &mpp_task->state);
time_diff = ktime_us_delta(mpp_task->on_finish, mpp_task->on_create);
if (mpp->timing_check && time_diff > (s64)mpp->timing_check)
mpp_task_dump_timing(mpp_task, time_diff);
}
mpp_debug_leave();
return 0;
}
int rkvdec2_result(struct mpp_dev *mpp, struct mpp_task *mpp_task,
struct mpp_task_msgs *msgs)
{
u32 i;
struct mpp_request *req;
struct rkvdec2_task *task = to_rkvdec2_task(mpp_task);
for (i = 0; i < task->r_req_cnt; i++) {
req = &task->r_reqs[i];
if (req->offset >= RKVDEC_PERF_SEL_OFFSET) {
int off = req->offset - RKVDEC_PERF_SEL_OFFSET;
if (copy_to_user(req->data,
(u8 *)task->reg_sel + off,
req->size)) {
mpp_err("copy_to_user perf_sel fail\n");
return -EIO;
}
} else {
if (copy_to_user(req->data,
(u8 *)task->reg + req->offset,
req->size)) {
mpp_err("copy_to_user reg fail\n");
return -EIO;
}
}
}
return 0;
}
int rkvdec2_free_task(struct mpp_session *session, struct mpp_task *mpp_task)
{
struct rkvdec2_task *task = to_rkvdec2_task(mpp_task);
mpp_task_finalize(session, mpp_task);
kfree(task);
return 0;
}
static int rkvdec2_control(struct mpp_session *session, struct mpp_request *req)
{
switch (req->cmd) {
case MPP_CMD_SEND_CODEC_INFO: {
int i;
int cnt;
struct codec_info_elem elem;
struct rkvdec2_session_priv *priv;
if (!session || !session->priv) {
mpp_err("session info null\n");
return -EINVAL;
}
priv = session->priv;
cnt = req->size / sizeof(elem);
cnt = (cnt > DEC_INFO_BUTT) ? DEC_INFO_BUTT : cnt;
mpp_debug(DEBUG_IOCTL, "codec info count %d\n", cnt);
for (i = 0; i < cnt; i++) {
if (copy_from_user(&elem, req->data + i * sizeof(elem), sizeof(elem))) {
mpp_err("copy_from_user failed\n");
continue;
}
if (elem.type > DEC_INFO_BASE && elem.type < DEC_INFO_BUTT &&
elem.flag > CODEC_INFO_FLAG_NULL && elem.flag < CODEC_INFO_FLAG_BUTT) {
elem.type = array_index_nospec(elem.type, DEC_INFO_BUTT);
priv->codec_info[elem.type].flag = elem.flag;
priv->codec_info[elem.type].val = elem.data;
} else {
mpp_err("codec info invalid, type %d, flag %d\n",
elem.type, elem.flag);
}
}
} break;
default: {
mpp_err("unknown mpp ioctl cmd %x\n", req->cmd);
} break;
}
return 0;
}
int rkvdec2_free_session(struct mpp_session *session)
{
if (session && session->priv) {
kfree(session->priv);
session->priv = NULL;
}
return 0;
}
static int rkvdec2_init_session(struct mpp_session *session)
{
struct rkvdec2_session_priv *priv;
if (!session) {
mpp_err("session is null\n");
return -EINVAL;
}
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
session->priv = priv;
return 0;
}
#ifdef CONFIG_ROCKCHIP_MPP_PROC_FS
static int rkvdec2_procfs_remove(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
if (dec->procfs) {
proc_remove(dec->procfs);
dec->procfs = NULL;
}
return 0;
}
static int rkvdec2_show_pref_sel_offset(struct seq_file *file, void *v)
{
seq_printf(file, "0x%08x\n", RKVDEC_PERF_SEL_OFFSET);
return 0;
}
static int rkvdec2_procfs_init(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
char name[32];
if (!mpp->dev || !mpp->dev->of_node || !mpp->dev->of_node->name ||
!mpp->srv || !mpp->srv->procfs)
return -EINVAL;
snprintf(name, sizeof(name) - 1, "%s%d",
mpp->dev->of_node->name, mpp->core_id);
dec->procfs = proc_mkdir(name, mpp->srv->procfs);
if (IS_ERR_OR_NULL(dec->procfs)) {
mpp_err("failed on open procfs\n");
dec->procfs = NULL;
return -EIO;
}
/* for common mpp_dev options */
mpp_procfs_create_common(dec->procfs, mpp);
mpp_procfs_create_u32("aclk", 0644,
dec->procfs, &dec->aclk_info.debug_rate_hz);
mpp_procfs_create_u32("clk_core", 0644,
dec->procfs, &dec->core_clk_info.debug_rate_hz);
mpp_procfs_create_u32("clk_cabac", 0644,
dec->procfs, &dec->cabac_clk_info.debug_rate_hz);
mpp_procfs_create_u32("clk_hevc_cabac", 0644,
dec->procfs, &dec->hevc_cabac_clk_info.debug_rate_hz);
mpp_procfs_create_u32("session_buffers", 0644,
dec->procfs, &mpp->session_max_buffers);
proc_create_single("perf_sel_offset", 0444,
dec->procfs, rkvdec2_show_pref_sel_offset);
mpp_procfs_create_u32("task_count", 0644,
dec->procfs, &mpp->task_index);
return 0;
}
#else
static inline int rkvdec2_procfs_remove(struct mpp_dev *mpp)
{
return 0;
}
static inline int rkvdec2_procfs_init(struct mpp_dev *mpp)
{
return 0;
}
#endif
#ifdef CONFIG_PM_DEVFREQ
static int rkvdec2_devfreq_target(struct device *dev,
unsigned long *freq, u32 flags)
{
struct dev_pm_opp *opp;
unsigned long target_volt, target_freq;
int ret = 0;
struct rkvdec2_dev *dec = dev_get_drvdata(dev);
struct devfreq *devfreq = dec->devfreq;
struct devfreq_dev_status *stat = &devfreq->last_status;
unsigned long old_clk_rate = stat->current_frequency;
opp = devfreq_recommended_opp(dev, freq, flags);
if (IS_ERR(opp)) {
dev_err(dev, "Failed to find opp for %lu Hz\n", *freq);
return PTR_ERR(opp);
}
target_freq = dev_pm_opp_get_freq(opp);
target_volt = dev_pm_opp_get_voltage(opp);
dev_pm_opp_put(opp);
if (old_clk_rate == target_freq) {
dec->core_last_rate_hz = target_freq;
if (dec->volt == target_volt)
return ret;
ret = regulator_set_voltage(dec->vdd, target_volt, INT_MAX);
if (ret) {
dev_err(dev, "Cannot set voltage %lu uV\n",
target_volt);
return ret;
}
dec->volt = target_volt;
return 0;
}
if (old_clk_rate < target_freq) {
ret = regulator_set_voltage(dec->vdd, target_volt, INT_MAX);
if (ret) {
dev_err(dev, "set voltage %lu uV\n", target_volt);
return ret;
}
}
dev_dbg(dev, "%lu-->%lu\n", old_clk_rate, target_freq);
clk_set_rate(dec->core_clk_info.clk, target_freq);
stat->current_frequency = target_freq;
dec->core_last_rate_hz = target_freq;
if (old_clk_rate > target_freq) {
ret = regulator_set_voltage(dec->vdd, target_volt, INT_MAX);
if (ret) {
dev_err(dev, "set vol %lu uV\n", target_volt);
return ret;
}
}
dec->volt = target_volt;
return ret;
}
static int rkvdec2_devfreq_get_dev_status(struct device *dev,
struct devfreq_dev_status *stat)
{
return 0;
}
static int rkvdec2_devfreq_get_cur_freq(struct device *dev,
unsigned long *freq)
{
struct rkvdec2_dev *dec = dev_get_drvdata(dev);
*freq = dec->core_last_rate_hz;
return 0;
}
static struct devfreq_dev_profile rkvdec2_devfreq_profile = {
.target = rkvdec2_devfreq_target,
.get_dev_status = rkvdec2_devfreq_get_dev_status,
.get_cur_freq = rkvdec2_devfreq_get_cur_freq,
};
static int devfreq_vdec2_ondemand_func(struct devfreq *df, unsigned long *freq)
{
struct rkvdec2_dev *dec = df->data;
if (dec)
*freq = dec->core_rate_hz;
else
*freq = df->previous_freq;
return 0;
}
static int devfreq_vdec2_ondemand_handler(struct devfreq *devfreq,
unsigned int event, void *data)
{
return 0;
}
static struct devfreq_governor devfreq_vdec2_ondemand = {
.name = "vdec2_ondemand",
.get_target_freq = devfreq_vdec2_ondemand_func,
.event_handler = devfreq_vdec2_ondemand_handler,
};
static unsigned long rkvdec2_get_static_power(struct devfreq *devfreq,
unsigned long voltage)
{
struct rkvdec2_dev *dec = devfreq->data;
if (!dec->model_data)
return 0;
else
return rockchip_ipa_get_static_power(dec->model_data,
voltage);
}
static struct devfreq_cooling_power vdec2_cooling_power_data = {
.get_static_power = rkvdec2_get_static_power,
};
static struct monitor_dev_profile vdec2_mdevp = {
.type = MONITOR_TPYE_DEV,
.low_temp_adjust = rockchip_monitor_dev_low_temp_adjust,
.high_temp_adjust = rockchip_monitor_dev_high_temp_adjust,
};
static int rkvdec2_devfreq_init(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
struct clk *clk_core = dec->core_clk_info.clk;
struct devfreq_cooling_power *vdec2_dcp = &vdec2_cooling_power_data;
int ret = 0;
if (!clk_core)
return 0;
dec->vdd = devm_regulator_get_optional(mpp->dev, "vdec");
if (IS_ERR_OR_NULL(dec->vdd)) {
if (PTR_ERR(dec->vdd) == -EPROBE_DEFER) {
dev_warn(mpp->dev, "vdec regulator not ready, retry\n");
return -EPROBE_DEFER;
}
dev_info(mpp->dev, "no regulator, devfreq is disabled\n");
return 0;
}
ret = rockchip_init_opp_table(mpp->dev, NULL, "leakage", "vdec");
if (ret) {
dev_err(mpp->dev, "failed to init_opp_table\n");
return ret;
}
ret = devfreq_add_governor(&devfreq_vdec2_ondemand);
if (ret) {
dev_err(mpp->dev, "failed to add vdec2_ondemand governor\n");
goto governor_err;
}
rkvdec2_devfreq_profile.initial_freq = clk_get_rate(clk_core);
dec->devfreq = devm_devfreq_add_device(mpp->dev,
&rkvdec2_devfreq_profile,
"vdec2_ondemand", (void *)dec);
if (IS_ERR(dec->devfreq)) {
ret = PTR_ERR(dec->devfreq);
dec->devfreq = NULL;
goto devfreq_err;
}
dec->devfreq->last_status.total_time = 1;
dec->devfreq->last_status.busy_time = 1;
devfreq_register_opp_notifier(mpp->dev, dec->devfreq);
of_property_read_u32(mpp->dev->of_node, "dynamic-power-coefficient",
(u32 *)&vdec2_dcp->dyn_power_coeff);
dec->model_data = rockchip_ipa_power_model_init(mpp->dev,
"vdec_leakage");
if (IS_ERR_OR_NULL(dec->model_data)) {
dec->model_data = NULL;
dev_err(mpp->dev, "failed to initialize power model\n");
} else if (dec->model_data->dynamic_coefficient) {
vdec2_dcp->dyn_power_coeff =
dec->model_data->dynamic_coefficient;
}
if (!vdec2_dcp->dyn_power_coeff) {
dev_err(mpp->dev, "failed to get dynamic-coefficient\n");
goto out;
}
dec->devfreq_cooling =
of_devfreq_cooling_register_power(mpp->dev->of_node,
dec->devfreq, vdec2_dcp);
if (IS_ERR_OR_NULL(dec->devfreq_cooling))
dev_err(mpp->dev, "failed to register cooling device\n");
vdec2_mdevp.data = dec->devfreq;
dec->mdev_info = rockchip_system_monitor_register(mpp->dev, &vdec2_mdevp);
if (IS_ERR(dec->mdev_info)) {
dev_dbg(mpp->dev, "without system monitor\n");
dec->mdev_info = NULL;
}
out:
return 0;
devfreq_err:
devfreq_remove_governor(&devfreq_vdec2_ondemand);
governor_err:
dev_pm_opp_of_remove_table(mpp->dev);
return ret;
}
static int rkvdec2_devfreq_remove(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
if (dec->mdev_info)
rockchip_system_monitor_unregister(dec->mdev_info);
if (dec->devfreq) {
devfreq_unregister_opp_notifier(mpp->dev, dec->devfreq);
dev_pm_opp_of_remove_table(mpp->dev);
devfreq_remove_governor(&devfreq_vdec2_ondemand);
}
return 0;
}
void mpp_devfreq_set_core_rate(struct mpp_dev *mpp, enum MPP_CLOCK_MODE mode)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
if (dec->devfreq) {
unsigned long core_rate_hz;
mutex_lock(&dec->devfreq->lock);
core_rate_hz = mpp_get_clk_info_rate_hz(&dec->core_clk_info, mode);
if (dec->core_rate_hz != core_rate_hz) {
dec->core_rate_hz = core_rate_hz;
update_devfreq(dec->devfreq);
}
mutex_unlock(&dec->devfreq->lock);
}
mpp_clk_set_rate(&dec->core_clk_info, mode);
}
#else
static inline int rkvdec2_devfreq_init(struct mpp_dev *mpp)
{
return 0;
}
static inline int rkvdec2_devfreq_remove(struct mpp_dev *mpp)
{
return 0;
}
void mpp_devfreq_set_core_rate(struct mpp_dev *mpp, enum MPP_CLOCK_MODE mode)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
mpp_clk_set_rate(&dec->core_clk_info, mode);
}
#endif
static int rkvdec2_init(struct mpp_dev *mpp)
{
int ret;
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
mutex_init(&dec->sip_reset_lock);
mpp->grf_info = &mpp->srv->grf_infos[MPP_DRIVER_RKVDEC];
/* Get clock info from dtsi */
ret = mpp_get_clk_info(mpp, &dec->aclk_info, "aclk_vcodec");
if (ret)
mpp_err("failed on clk_get aclk_vcodec\n");
ret = mpp_get_clk_info(mpp, &dec->hclk_info, "hclk_vcodec");
if (ret)
mpp_err("failed on clk_get hclk_vcodec\n");
ret = mpp_get_clk_info(mpp, &dec->core_clk_info, "clk_core");
if (ret)
mpp_err("failed on clk_get clk_core\n");
ret = mpp_get_clk_info(mpp, &dec->cabac_clk_info, "clk_cabac");
if (ret)
mpp_err("failed on clk_get clk_cabac\n");
ret = mpp_get_clk_info(mpp, &dec->hevc_cabac_clk_info, "clk_hevc_cabac");
if (ret)
mpp_err("failed on clk_get clk_hevc_cabac\n");
/* Set default rates */
mpp_set_clk_info_rate_hz(&dec->aclk_info, CLK_MODE_DEFAULT, 300 * MHZ);
mpp_set_clk_info_rate_hz(&dec->core_clk_info, CLK_MODE_DEFAULT, 200 * MHZ);
mpp_set_clk_info_rate_hz(&dec->cabac_clk_info, CLK_MODE_DEFAULT, 200 * MHZ);
mpp_set_clk_info_rate_hz(&dec->hevc_cabac_clk_info, CLK_MODE_DEFAULT, 300 * MHZ);
/* Get normal max workload from dtsi */
of_property_read_u32(mpp->dev->of_node,
"rockchip,default-max-load", &dec->default_max_load);
/* Get reset control from dtsi */
dec->rst_a = mpp_reset_control_get(mpp, RST_TYPE_A, "video_a");
if (!dec->rst_a)
mpp_err("No aclk reset resource define\n");
dec->rst_h = mpp_reset_control_get(mpp, RST_TYPE_H, "video_h");
if (!dec->rst_h)
mpp_err("No hclk reset resource define\n");
dec->rst_niu_a = mpp_reset_control_get(mpp, RST_TYPE_NIU_A, "niu_a");
if (!dec->rst_niu_a)
mpp_err("No niu aclk reset resource define\n");
dec->rst_niu_h = mpp_reset_control_get(mpp, RST_TYPE_NIU_H, "niu_h");
if (!dec->rst_niu_h)
mpp_err("No niu hclk reset resource define\n");
dec->rst_core = mpp_reset_control_get(mpp, RST_TYPE_CORE, "video_core");
if (!dec->rst_core)
mpp_err("No core reset resource define\n");
dec->rst_cabac = mpp_reset_control_get(mpp, RST_TYPE_CABAC, "video_cabac");
if (!dec->rst_cabac)
mpp_err("No cabac reset resource define\n");
dec->rst_hevc_cabac = mpp_reset_control_get(mpp, RST_TYPE_HEVC_CABAC, "video_hevc_cabac");
if (!dec->rst_hevc_cabac)
mpp_err("No hevc cabac reset resource define\n");
ret = rkvdec2_devfreq_init(mpp);
if (ret)
mpp_err("failed to add vdec devfreq\n");
return ret;
}
static int rkvdec2_rk3568_init(struct mpp_dev *mpp)
{
int ret;
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
dec->fix = mpp_dma_alloc(mpp->dev, FIX_RK3568_BUF_SIZE);
ret = dec->fix ? 0 : -ENOMEM;
if (!ret)
rkvdec2_3568_hack_data_setup(dec->fix);
else
dev_err(mpp->dev, "failed to create buffer for hack\n");
ret = rkvdec2_init(mpp);
return ret;
}
static int rkvdec2_rk3568_exit(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
rkvdec2_devfreq_remove(mpp);
if (dec->fix)
mpp_dma_free(dec->fix);
return 0;
}
static int rkvdec2_clk_on(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
mpp_clk_safe_enable(dec->aclk_info.clk);
mpp_clk_safe_enable(dec->hclk_info.clk);
mpp_clk_safe_enable(dec->core_clk_info.clk);
mpp_clk_safe_enable(dec->cabac_clk_info.clk);
mpp_clk_safe_enable(dec->hevc_cabac_clk_info.clk);
return 0;
}
static int rkvdec2_clk_off(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
clk_disable_unprepare(dec->aclk_info.clk);
clk_disable_unprepare(dec->hclk_info.clk);
clk_disable_unprepare(dec->core_clk_info.clk);
clk_disable_unprepare(dec->cabac_clk_info.clk);
clk_disable_unprepare(dec->hevc_cabac_clk_info.clk);
return 0;
}
static int rkvdec2_get_freq(struct mpp_dev *mpp,
struct mpp_task *mpp_task)
{
u32 task_cnt;
u32 workload;
struct mpp_task *loop = NULL, *n;
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
struct rkvdec2_task *task = to_rkvdec2_task(mpp_task);
/* if not set max load, consider not have advanced mode */
if (!dec->default_max_load || !task->pixels)
return 0;
task_cnt = 1;
workload = task->pixels;
/* calc workload in pending list */
mutex_lock(&mpp->queue->pending_lock);
list_for_each_entry_safe(loop, n,
&mpp->queue->pending_list,
queue_link) {
struct rkvdec2_task *loop_task = to_rkvdec2_task(loop);
task_cnt++;
workload += loop_task->pixels;
}
mutex_unlock(&mpp->queue->pending_lock);
if (workload > dec->default_max_load)
task->clk_mode = CLK_MODE_ADVANCED;
mpp_debug(DEBUG_TASK_INFO, "pending task %d, workload %d, clk_mode=%d\n",
task_cnt, workload, task->clk_mode);
return 0;
}
static int rkvdec2_set_freq(struct mpp_dev *mpp,
struct mpp_task *mpp_task)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
struct rkvdec2_task *task = to_rkvdec2_task(mpp_task);
mpp_clk_set_rate(&dec->aclk_info, task->clk_mode);
mpp_clk_set_rate(&dec->cabac_clk_info, task->clk_mode);
mpp_clk_set_rate(&dec->hevc_cabac_clk_info, task->clk_mode);
mpp_devfreq_set_core_rate(mpp, task->clk_mode);
return 0;
}
int rkvdec2_reset(struct mpp_dev *mpp)
{
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
mpp_debug_enter();
if (dec->rst_a && dec->rst_h) {
mpp_pmu_idle_request(mpp, true);
mpp_safe_reset(dec->rst_niu_a);
mpp_safe_reset(dec->rst_niu_h);
mpp_safe_reset(dec->rst_a);
mpp_safe_reset(dec->rst_h);
mpp_safe_reset(dec->rst_core);
mpp_safe_reset(dec->rst_cabac);
mpp_safe_reset(dec->rst_hevc_cabac);
udelay(5);
mpp_safe_unreset(dec->rst_niu_h);
mpp_safe_unreset(dec->rst_niu_a);
mpp_safe_unreset(dec->rst_a);
mpp_safe_unreset(dec->rst_h);
mpp_safe_unreset(dec->rst_core);
mpp_safe_unreset(dec->rst_cabac);
mpp_safe_unreset(dec->rst_hevc_cabac);
mpp_pmu_idle_request(mpp, false);
}
mpp_debug_leave();
return 0;
}
static struct mpp_hw_ops rkvdec_v2_hw_ops = {
.init = rkvdec2_init,
.clk_on = rkvdec2_clk_on,
.clk_off = rkvdec2_clk_off,
.get_freq = rkvdec2_get_freq,
.set_freq = rkvdec2_set_freq,
.reset = rkvdec2_reset,
};
static struct mpp_hw_ops rkvdec_rk3568_hw_ops = {
.init = rkvdec2_rk3568_init,
.exit = rkvdec2_rk3568_exit,
.clk_on = rkvdec2_clk_on,
.clk_off = rkvdec2_clk_off,
.get_freq = rkvdec2_get_freq,
.set_freq = rkvdec2_set_freq,
.reset = rkvdec2_reset,
};
static struct mpp_dev_ops rkvdec_v2_dev_ops = {
.alloc_task = rkvdec2_alloc_task,
.run = rkvdec2_run,
.irq = rkvdec2_irq,
.isr = rkvdec2_isr,
.finish = rkvdec2_finish,
.result = rkvdec2_result,
.free_task = rkvdec2_free_task,
.ioctl = rkvdec2_control,
.init_session = rkvdec2_init_session,
.free_session = rkvdec2_free_session,
};
static struct mpp_dev_ops rkvdec_rk3568_dev_ops = {
.alloc_task = rkvdec2_rk3568_alloc_task,
.run = rkvdec2_rk3568_run,
.irq = rkvdec2_irq,
.isr = rkvdec2_isr,
.finish = rkvdec2_finish,
.result = rkvdec2_result,
.free_task = rkvdec2_free_task,
.ioctl = rkvdec2_control,
.init_session = rkvdec2_init_session,
.free_session = rkvdec2_free_session,
.dump_dev = rkvdec_link_dump,
};
static const struct mpp_dev_var rkvdec_v2_data = {
.device_type = MPP_DEVICE_RKVDEC,
.hw_info = &rkvdec_v2_hw_info,
.trans_info = rkvdec_v2_trans,
.hw_ops = &rkvdec_v2_hw_ops,
.dev_ops = &rkvdec_v2_dev_ops,
};
static const struct mpp_dev_var rkvdec_rk3568_data = {
.device_type = MPP_DEVICE_RKVDEC,
.hw_info = &rkvdec_rk356x_hw_info,
.trans_info = rkvdec_v2_trans,
.hw_ops = &rkvdec_rk3568_hw_ops,
.dev_ops = &rkvdec_rk3568_dev_ops,
};
static const struct of_device_id mpp_rkvdec2_dt_match[] = {
{
.compatible = "rockchip,rkv-decoder-v2",
.data = &rkvdec_v2_data,
},
#ifdef CONFIG_CPU_RK3568
{
.compatible = "rockchip,rkv-decoder-rk3568",
.data = &rkvdec_rk3568_data,
},
#endif
#ifdef CONFIG_CPU_RK3588
{
.compatible = "rockchip,rkv-decoder-v2-ccu",
},
#endif
{},
};
static int rkvdec2_ccu_remove(struct device *dev)
{
device_init_wakeup(dev, false);
pm_runtime_disable(dev);
return 0;
}
static int rkvdec2_ccu_probe(struct platform_device *pdev)
{
struct rkvdec2_ccu *ccu;
struct resource *res;
struct device *dev = &pdev->dev;
ccu = devm_kzalloc(dev, sizeof(*ccu), GFP_KERNEL);
if (!ccu)
return -ENOMEM;
ccu->dev = dev;
atomic_set(&ccu->power_enabled, 0);
platform_set_drvdata(pdev, ccu);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ccu");
if (!res) {
dev_err(dev, "no memory resource defined\n");
return -ENODEV;
}
ccu->reg_base = devm_ioremap(dev, res->start, resource_size(res));
if (!ccu->reg_base) {
dev_err(dev, "ioremap failed for resource %pR\n", res);
return -ENODEV;
}
device_init_wakeup(dev, true);
pm_runtime_enable(dev);
/* power domain autosuspend delay 2s */
pm_runtime_set_autosuspend_delay(dev, 2000);
pm_runtime_use_autosuspend(dev);
ccu->aclk_info.clk = devm_clk_get(dev, "aclk_ccu");
if (!ccu->aclk_info.clk)
mpp_err("failed on clk_get ccu aclk\n");
ccu->rst_a = devm_reset_control_get(dev, "video_ccu");
if (ccu->rst_a)
mpp_safe_unreset(ccu->rst_a);
else
mpp_err("failed on clk_get ccu reset\n");
return 0;
}
static int rkvdec2_alloc_rcbbuf(struct platform_device *pdev, struct rkvdec2_dev *dec)
{
int ret;
u32 vals[2];
dma_addr_t iova;
u32 rcb_size, sram_size;
struct device_node *sram_np;
struct resource sram_res;
resource_size_t sram_start, sram_end;
struct iommu_domain *domain;
struct device *dev = &pdev->dev;
/* get rcb iova start and size */
ret = device_property_read_u32_array(dev, "rockchip,rcb-iova", vals, 2);
if (ret) {
dev_err(dev, "could not find property rcb-iova\n");
return ret;
}
iova = PAGE_ALIGN(vals[0]);
rcb_size = PAGE_ALIGN(vals[1]);
if (!rcb_size) {
dev_err(dev, "rcb_size invalid.\n");
return -EINVAL;
}
/* alloc reserve iova for rcb */
ret = iommu_dma_reserve_iova(dev, iova, rcb_size);
if (ret) {
dev_err(dev, "alloc rcb iova error.\n");
return ret;
}
/* get sram device node */
sram_np = of_parse_phandle(dev->of_node, "rockchip,sram", 0);
if (!sram_np) {
dev_err(dev, "could not find phandle sram\n");
return -ENODEV;
}
/* get sram start and size */
ret = of_address_to_resource(sram_np, 0, &sram_res);
of_node_put(sram_np);
if (ret) {
dev_err(dev, "find sram res error\n");
return ret;
}
/* check sram start and size is PAGE_SIZE align */
sram_start = round_up(sram_res.start, PAGE_SIZE);
sram_end = round_down(sram_res.start + resource_size(&sram_res), PAGE_SIZE);
if (sram_end <= sram_start) {
dev_err(dev, "no available sram, phy_start %pa, phy_end %pa\n",
&sram_start, &sram_end);
return -ENOMEM;
}
sram_size = sram_end - sram_start;
sram_size = rcb_size < sram_size ? rcb_size : sram_size;
/* iova map to sram */
domain = dec->mpp.iommu_info->domain;
ret = iommu_map(domain, iova, sram_start, sram_size, IOMMU_READ | IOMMU_WRITE);
if (ret) {
dev_err(dev, "sram iommu_map error.\n");
return ret;
}
/* alloc dma for the remaining buffer, sram + dma */
if (sram_size < rcb_size) {
struct page *page;
size_t page_size = PAGE_ALIGN(rcb_size - sram_size);
page = alloc_pages(GFP_KERNEL | __GFP_ZERO, get_order(page_size));
if (!page) {
dev_err(dev, "unable to allocate pages\n");
ret = -ENOMEM;
goto err_sram_map;
}
/* iova map to dma */
ret = iommu_map(domain, iova + sram_size, page_to_phys(page),
page_size, IOMMU_READ | IOMMU_WRITE);
if (ret) {
dev_err(dev, "page iommu_map error.\n");
__free_pages(page, get_order(page_size));
goto err_sram_map;
}
dec->rcb_page = page;
}
dec->sram_size = sram_size;
dec->rcb_size = rcb_size;
dec->rcb_iova = iova;
dev_info(dev, "sram_start %pa\n", &sram_start);
dev_info(dev, "rcb_iova %pad\n", &dec->rcb_iova);
dev_info(dev, "sram_size %u\n", dec->sram_size);
dev_info(dev, "rcb_size %u\n", dec->rcb_size);
ret = of_property_read_u32(dev->of_node, "rockchip,rcb-min-width", &dec->rcb_min_width);
if (!ret && dec->rcb_min_width)
dev_info(dev, "min_width %u\n", dec->rcb_min_width);
return 0;
err_sram_map:
iommu_unmap(domain, iova, sram_size);
return ret;
}
static int rkvdec2_core_probe(struct platform_device *pdev)
{
int ret;
struct rkvdec2_dev *dec;
struct mpp_dev *mpp;
struct device *dev = &pdev->dev;
dec = devm_kzalloc(dev, sizeof(*dec), GFP_KERNEL);
if (!dec)
return -ENOMEM;
mpp = &dec->mpp;
platform_set_drvdata(pdev, mpp);
mpp->is_irq_startup = false;
if (dev->of_node) {
struct device_node *np = pdev->dev.of_node;
const struct of_device_id *match;
match = of_match_node(mpp_rkvdec2_dt_match, dev->of_node);
if (match)
mpp->var = (struct mpp_dev_var *)match->data;
mpp->core_id = of_alias_get_id(np, "rkvdec");
}
ret = mpp_dev_probe(mpp, pdev);
if (ret) {
dev_err(dev, "probe sub driver failed\n");
return ret;
}
/* attach core to ccu */
ret = rkvdec2_attach_ccu(dev, dec);
if (ret) {
dev_err(dev, "attach ccu failed\n");
return ret;
}
/* power domain autosuspend delay 2s */
pm_runtime_set_autosuspend_delay(dev, 2000);
pm_runtime_use_autosuspend(dev);
/* alloc rcb buffer */
rkvdec2_alloc_rcbbuf(pdev, dec);
/* set device for link */
rkvdec2_ccu_link_init(pdev, dec);
mpp->dev_ops->alloc_task = rkvdec2_ccu_alloc_task;
mpp->dev_ops->task_worker = rkvdec2_soft_ccu_worker;
kthread_init_work(&mpp->work, rkvdec2_soft_ccu_worker);
mpp->iommu_info->hdl = rkvdec2_ccu_iommu_fault_handle;
/* get irq request */
ret = devm_request_threaded_irq(dev, mpp->irq, rkvdec2_soft_ccu_irq, NULL,
IRQF_SHARED, dev_name(dev), mpp);
if (ret) {
dev_err(dev, "register interrupter runtime failed\n");
return -EINVAL;
}
/*make sure mpp->irq is startup then can be en/disable*/
mpp->is_irq_startup = true;
mpp->session_max_buffers = RKVDEC_SESSION_MAX_BUFFERS;
rkvdec2_procfs_init(mpp);
/* if is main-core, register to mpp service */
if (mpp->core_id == 0)
mpp_dev_register_srv(mpp, mpp->srv);
return ret;
}
static int rkvdec2_probe_default(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct rkvdec2_dev *dec = NULL;
struct mpp_dev *mpp = NULL;
const struct of_device_id *match = NULL;
int ret = 0;
dec = devm_kzalloc(dev, sizeof(*dec), GFP_KERNEL);
if (!dec)
return -ENOMEM;
mpp = &dec->mpp;
platform_set_drvdata(pdev, mpp);
if (pdev->dev.of_node) {
match = of_match_node(mpp_rkvdec2_dt_match, pdev->dev.of_node);
if (match)
mpp->var = (struct mpp_dev_var *)match->data;
}
ret = mpp_dev_probe(mpp, pdev);
if (ret) {
dev_err(dev, "probe sub driver failed\n");
return ret;
}
rkvdec2_alloc_rcbbuf(pdev, dec);
rkvdec2_link_init(pdev, dec);
if (dec->link_dec) {
ret = devm_request_threaded_irq(dev, mpp->irq,
rkvdec2_link_irq_proc, NULL,
IRQF_SHARED, dev_name(dev), mpp);
mpp->dev_ops->process_task = rkvdec2_link_process_task;
mpp->dev_ops->wait_result = rkvdec2_link_wait_result;
mpp->dev_ops->task_worker = rkvdec2_link_worker;
mpp->dev_ops->deinit = rkvdec2_link_session_deinit;
kthread_init_work(&mpp->work, rkvdec2_link_worker);
} else {
ret = devm_request_threaded_irq(dev, mpp->irq,
mpp_dev_irq, mpp_dev_isr_sched,
IRQF_SHARED, dev_name(dev), mpp);
}
if (ret) {
dev_err(dev, "register interrupter runtime failed\n");
return -EINVAL;
}
mpp->session_max_buffers = RKVDEC_SESSION_MAX_BUFFERS;
rkvdec2_procfs_init(mpp);
rkvdec2_link_procfs_init(mpp);
/* register current device to mpp service */
mpp_dev_register_srv(mpp, mpp->srv);
return ret;
}
static int rkvdec2_probe(struct platform_device *pdev)
{
int ret;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
dev_info(dev, "%s, probing start\n", np->name);
if (strstr(np->name, "ccu"))
ret = rkvdec2_ccu_probe(pdev);
else if (strstr(np->name, "core"))
ret = rkvdec2_core_probe(pdev);
else
ret = rkvdec2_probe_default(pdev);
dev_info(dev, "probing finish\n");
return ret;
}
static int rkvdec2_free_rcbbuf(struct platform_device *pdev, struct rkvdec2_dev *dec)
{
struct iommu_domain *domain;
if (dec->rcb_page) {
size_t page_size = PAGE_ALIGN(dec->rcb_size - dec->sram_size);
__free_pages(dec->rcb_page, get_order(page_size));
}
if (dec->rcb_iova) {
domain = dec->mpp.iommu_info->domain;
iommu_unmap(domain, dec->rcb_iova, dec->rcb_size);
}
return 0;
}
static int rkvdec2_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
if (strstr(dev_name(dev), "ccu")) {
dev_info(dev, "remove ccu device\n");
rkvdec2_ccu_remove(dev);
} else {
struct mpp_dev *mpp = dev_get_drvdata(dev);
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
dev_info(dev, "remove device\n");
rkvdec2_free_rcbbuf(pdev, dec);
mpp_dev_remove(mpp);
rkvdec2_procfs_remove(mpp);
rkvdec2_link_remove(mpp, dec->link_dec);
}
return 0;
}
static void rkvdec2_shutdown(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
if (!strstr(dev_name(dev), "ccu"))
mpp_dev_shutdown(pdev);
}
static int __maybe_unused rkvdec2_runtime_suspend(struct device *dev)
{
if (strstr(dev_name(dev), "ccu")) {
struct rkvdec2_ccu *ccu = dev_get_drvdata(dev);
mpp_clk_safe_disable(ccu->aclk_info.clk);
} else {
struct mpp_dev *mpp = dev_get_drvdata(dev);
if (mpp->is_irq_startup) {
/* disable core irq */
disable_irq(mpp->irq);
if (mpp->iommu_info && mpp->iommu_info->got_irq)
/* disable mmu irq */
disable_irq(mpp->iommu_info->irq);
}
if (mpp->hw_ops->clk_off)
mpp->hw_ops->clk_off(mpp);
}
return 0;
}
static int __maybe_unused rkvdec2_runtime_resume(struct device *dev)
{
if (strstr(dev_name(dev), "ccu")) {
struct rkvdec2_ccu *ccu = dev_get_drvdata(dev);
mpp_clk_safe_enable(ccu->aclk_info.clk);
} else {
struct mpp_dev *mpp = dev_get_drvdata(dev);
if (mpp->hw_ops->clk_on)
mpp->hw_ops->clk_on(mpp);
if (mpp->is_irq_startup) {
/* enable core irq */
enable_irq(mpp->irq);
/* enable mmu irq */
if (mpp->iommu_info && mpp->iommu_info->got_irq)
enable_irq(mpp->iommu_info->irq);
}
}
return 0;
}
static const struct dev_pm_ops rkvdec2_pm_ops = {
SET_RUNTIME_PM_OPS(rkvdec2_runtime_suspend, rkvdec2_runtime_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
};
struct platform_driver rockchip_rkvdec2_driver = {
.probe = rkvdec2_probe,
.remove = rkvdec2_remove,
.shutdown = rkvdec2_shutdown,
.driver = {
.name = RKVDEC_DRIVER_NAME,
.of_match_table = of_match_ptr(mpp_rkvdec2_dt_match),
.pm = &rkvdec2_pm_ops,
},
};
EXPORT_SYMBOL(rockchip_rkvdec2_driver);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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