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android_kernel_xiaomi_sm8350/drivers/media/platform/msm/cvp/msm_cvp.c
Pulkit Singh Tak 3dc3967bb4 msm: cvp: Support handling cp camera buffer 
Adding support for cp camera buffer mapping and
new hfi for chroma buffer.

Change-Id: Iadce59b596447c0bbdf4985bdb8c9209df517bae
Signed-off-by: Pulkit Singh Tak <ptak@codeaurora.org>
2021-01-22 20:38:29 +05:30

1906 lines
46 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
*/
#include "msm_cvp.h"
#include "cvp_hfi.h"
#include "cvp_core_hfi.h"
#include "msm_cvp_buf.h"
struct cvp_power_level {
unsigned long core_sum;
unsigned long op_core_sum;
unsigned long bw_sum;
};
static int msm_cvp_get_session_info(struct msm_cvp_inst *inst,
struct cvp_kmd_session_info *session)
{
int rc = 0;
struct msm_cvp_inst *s;
if (!inst || !inst->core || !session) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
s->cur_cmd_type = CVP_KMD_GET_SESSION_INFO;
session->session_id = hash32_ptr(inst->session);
dprintk(CVP_SESS, "%s: id 0x%x\n", __func__, session->session_id);
s->cur_cmd_type = 0;
cvp_put_inst(s);
return rc;
}
static bool cvp_msg_pending(struct cvp_session_queue *sq,
struct cvp_session_msg **msg, u64 *ktid)
{
struct cvp_session_msg *mptr, *dummy;
bool result = false;
mptr = NULL;
spin_lock(&sq->lock);
if (sq->state != QUEUE_ACTIVE) {
/* The session is being deleted */
spin_unlock(&sq->lock);
*msg = NULL;
return true;
}
result = list_empty(&sq->msgs);
if (!result) {
if (!ktid) {
mptr =
list_first_entry(&sq->msgs, struct cvp_session_msg,
node);
list_del_init(&mptr->node);
sq->msg_count--;
} else {
result = true;
list_for_each_entry_safe(mptr, dummy, &sq->msgs, node) {
if (*ktid == mptr->pkt.client_data.kdata) {
list_del_init(&mptr->node);
sq->msg_count--;
result = false;
break;
}
}
if (result)
mptr = NULL;
}
}
spin_unlock(&sq->lock);
*msg = mptr;
return !result;
}
static int cvp_wait_process_message(struct msm_cvp_inst *inst,
struct cvp_session_queue *sq, u64 *ktid,
unsigned long timeout,
struct cvp_kmd_hfi_packet *out)
{
struct cvp_session_msg *msg = NULL;
struct cvp_hfi_msg_session_hdr *hdr;
int rc = 0;
if (wait_event_timeout(sq->wq,
cvp_msg_pending(sq, &msg, ktid), timeout) == 0) {
dprintk(CVP_WARN, "session queue wait timeout\n");
rc = -ETIMEDOUT;
goto exit;
}
if (msg == NULL) {
dprintk(CVP_WARN, "%s: queue state %d, msg cnt %d\n", __func__,
sq->state, sq->msg_count);
if (inst->state >= MSM_CVP_CLOSE_DONE ||
sq->state != QUEUE_ACTIVE) {
rc = -ECONNRESET;
goto exit;
}
msm_cvp_comm_kill_session(inst);
goto exit;
}
if (!out) {
kmem_cache_free(cvp_driver->msg_cache, msg);
goto exit;
}
hdr = (struct cvp_hfi_msg_session_hdr *)&msg->pkt;
memcpy(out, &msg->pkt, get_msg_size(hdr));
msm_cvp_unmap_frame(inst, hdr->client_data.kdata);
kmem_cache_free(cvp_driver->msg_cache, msg);
exit:
return rc;
}
static int msm_cvp_session_receive_hfi(struct msm_cvp_inst *inst,
struct cvp_kmd_hfi_packet *out_pkt)
{
unsigned long wait_time;
struct cvp_session_queue *sq;
struct msm_cvp_inst *s;
int rc = 0;
if (!inst) {
dprintk(CVP_ERR, "%s invalid session\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
s->cur_cmd_type = CVP_KMD_RECEIVE_MSG_PKT;
wait_time = msecs_to_jiffies(CVP_MAX_WAIT_TIME);
sq = &inst->session_queue;
rc = cvp_wait_process_message(inst, sq, NULL, wait_time, out_pkt);
s->cur_cmd_type = 0;
cvp_put_inst(inst);
return rc;
}
static int msm_cvp_session_process_hfi(
struct msm_cvp_inst *inst,
struct cvp_kmd_hfi_packet *in_pkt,
unsigned int in_offset,
unsigned int in_buf_num)
{
int pkt_idx, pkt_type, rc = 0;
struct cvp_hfi_device *hdev;
unsigned int offset, buf_num, signal;
struct cvp_session_queue *sq;
struct msm_cvp_inst *s;
if (!inst || !inst->core || !in_pkt) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
inst->cur_cmd_type = CVP_KMD_SEND_CMD_PKT;
hdev = inst->core->device;
pkt_idx = get_pkt_index((struct cvp_hal_session_cmd_pkt *)in_pkt);
if (pkt_idx < 0) {
dprintk(CVP_ERR, "%s incorrect packet %d, %x\n", __func__,
in_pkt->pkt_data[0],
in_pkt->pkt_data[1]);
goto exit;
} else {
offset = cvp_hfi_defs[pkt_idx].buf_offset;
buf_num = cvp_hfi_defs[pkt_idx].buf_num;
signal = cvp_hfi_defs[pkt_idx].resp;
}
if (signal == HAL_NO_RESP) {
/* Frame packets are not allowed before session starts*/
sq = &inst->session_queue;
spin_lock(&sq->lock);
if (sq->state != QUEUE_ACTIVE) {
spin_unlock(&sq->lock);
dprintk(CVP_ERR, "%s: invalid queue state\n", __func__);
rc = -EINVAL;
goto exit;
}
spin_unlock(&sq->lock);
}
if (in_offset && in_buf_num) {
offset = in_offset;
buf_num = in_buf_num;
}
if (!is_buf_param_valid(buf_num, offset)) {
dprintk(CVP_ERR, "Incorrect buffer num and offset in cmd\n");
return -EINVAL;
}
pkt_type = in_pkt->pkt_data[1];
if (pkt_type == HFI_CMD_SESSION_CVP_SET_PERSIST_BUFFERS ||
pkt_type == HFI_CMD_SESSION_CVP_SET_MODEL_BUFFERS ||
pkt_type == HFI_CMD_SESSION_CVP_SET_FD_CHROMA_BUFFER)
rc = msm_cvp_map_user_persist(inst, in_pkt, offset, buf_num);
else if (pkt_type == HFI_CMD_SESSION_CVP_RELEASE_PERSIST_BUFFERS ||
pkt_type == HFI_CMD_SESSION_CVP_RELEASE_FD_CHROMA_BUFFER)
rc = msm_cvp_mark_user_persist(inst, in_pkt, offset, buf_num);
else
rc = msm_cvp_map_frame(inst, in_pkt, offset, buf_num);
if (rc)
goto exit;
rc = call_hfi_op(hdev, session_send, (void *)inst->session, in_pkt);
if (rc) {
dprintk(CVP_ERR,
"%s: Failed in call_hfi_op %d, %x\n",
__func__, in_pkt->pkt_data[0], in_pkt->pkt_data[1]);
goto exit;
}
if (signal != HAL_NO_RESP) {
rc = wait_for_sess_signal_receipt(inst, signal);
if (rc) {
dprintk(CVP_ERR,
"%s: wait for signal failed, rc %d %d, %x %d\n",
__func__, rc,
in_pkt->pkt_data[0],
in_pkt->pkt_data[1],
signal);
goto exit;
}
if (pkt_type == HFI_CMD_SESSION_CVP_RELEASE_PERSIST_BUFFERS ||
pkt_type == HFI_CMD_SESSION_CVP_RELEASE_FD_CHROMA_BUFFER)
rc = msm_cvp_unmap_user_persist(inst, in_pkt,
offset, buf_num);
}
exit:
inst->cur_cmd_type = 0;
cvp_put_inst(inst);
return rc;
}
static bool cvp_fence_wait(struct cvp_fence_queue *q,
struct cvp_fence_command **fence,
enum queue_state *state)
{
struct cvp_fence_command *f;
*fence = NULL;
mutex_lock(&q->lock);
*state = q->state;
if (*state != QUEUE_ACTIVE) {
mutex_unlock(&q->lock);
return true;
}
if (list_empty(&q->wait_list)) {
mutex_unlock(&q->lock);
return false;
}
f = list_first_entry(&q->wait_list, struct cvp_fence_command, list);
list_del_init(&f->list);
list_add_tail(&f->list, &q->sched_list);
mutex_unlock(&q->lock);
*fence = f;
return true;
}
static int cvp_readjust_clock(struct msm_cvp_core *core,
u32 avg_cycles, enum hfi_hw_thread i)
{
int rc = 0;
struct allowed_clock_rates_table *tbl = NULL;
unsigned int tbl_size = 0;
unsigned int cvp_min_rate = 0, cvp_max_rate = 0;
unsigned long tmp = core->curr_freq;
unsigned long lo_freq = 0;
u32 j;
dprintk(CVP_PWR,
"%s:%d - %d - avg_cycles %u > hi_tresh %u\n",
__func__, __LINE__, i, avg_cycles,
core->dyn_clk.hi_ctrl_lim[i]);
core->curr_freq = ((avg_cycles * core->dyn_clk.sum_fps[i]) << 1)/3;
dprintk(CVP_PWR,
"%s - cycles tot %u, avg %u. sum_fps %u, cur_freq %u\n",
__func__,
core->dyn_clk.cycle[i].total,
avg_cycles,
core->dyn_clk.sum_fps[i],
core->curr_freq);
tbl = core->resources.allowed_clks_tbl;
tbl_size = core->resources.allowed_clks_tbl_size;
cvp_min_rate = tbl[0].clock_rate;
cvp_max_rate = tbl[tbl_size - 1].clock_rate;
if (core->curr_freq > cvp_max_rate) {
core->curr_freq = cvp_max_rate;
lo_freq = (tbl_size > 1) ?
tbl[tbl_size - 2].clock_rate :
cvp_min_rate;
} else if (core->curr_freq <= cvp_min_rate) {
core->curr_freq = cvp_min_rate;
lo_freq = cvp_min_rate;
} else {
for (j = 1; j < tbl_size; j++)
if (core->curr_freq <= tbl[j].clock_rate)
break;
core->curr_freq = tbl[j].clock_rate;
lo_freq = tbl[j-1].clock_rate;
}
dprintk(CVP_PWR,
"%s:%d - %d - Readjust to %u\n",
__func__, __LINE__, i, core->curr_freq);
rc = msm_cvp_set_clocks(core);
if (rc) {
dprintk(CVP_ERR,
"Failed to set clock rate %u: %d %s\n",
core->curr_freq, rc, __func__);
core->curr_freq = tmp;
} else {
lo_freq = (lo_freq < core->dyn_clk.conf_freq) ?
core->dyn_clk.conf_freq : lo_freq;
core->dyn_clk.hi_ctrl_lim[i] = core->dyn_clk.sum_fps[i] ?
((core->curr_freq*3)>>1)/core->dyn_clk.sum_fps[i] : 0;
core->dyn_clk.lo_ctrl_lim[i] =
core->dyn_clk.sum_fps[i] ?
((lo_freq*3)>>1)/core->dyn_clk.sum_fps[i] : 0;
dprintk(CVP_PWR,
"%s - Readjust clk to %u. New lim [%d] hi %u lo %u\n",
__func__, core->curr_freq, i,
core->dyn_clk.hi_ctrl_lim[i],
core->dyn_clk.lo_ctrl_lim[i]);
}
return rc;
}
static int cvp_check_clock(struct msm_cvp_inst *inst,
struct cvp_hfi_msg_session_hdr_ext *hdr)
{
int rc = 0;
u32 i, j;
u32 hw_cycles[HFI_MAX_HW_THREADS] = {0};
u32 fw_cycles = 0;
struct msm_cvp_core *core = inst->core;
for (i = 0; i < HFI_MAX_HW_ACTIVATIONS_PER_FRAME; ++i)
fw_cycles += hdr->fw_cycles[i];
for (i = 0; i < HFI_MAX_HW_THREADS; ++i)
for (j = 0; j < HFI_MAX_HW_ACTIVATIONS_PER_FRAME; ++j)
hw_cycles[i] += hdr->hw_cycles[i][j];
dprintk(CVP_PWR, "%s - cycles fw %u. FDU %d MPU %d ODU %d ICA %d\n",
__func__, fw_cycles, hw_cycles[0],
hw_cycles[1], hw_cycles[2], hw_cycles[3]);
mutex_lock(&core->clk_lock);
for (i = 0; i < HFI_MAX_HW_THREADS; ++i) {
dprintk(CVP_PWR, "%s - %d: hw_cycles %u, tens_thresh %u\n",
__func__, i, hw_cycles[i],
core->dyn_clk.hi_ctrl_lim[i]);
if (core->dyn_clk.hi_ctrl_lim[i]) {
if (core->dyn_clk.cycle[i].size < CVP_CYCLE_STAT_SIZE)
core->dyn_clk.cycle[i].size++;
else
core->dyn_clk.cycle[i].total -=
core->dyn_clk.cycle[i].busy[
core->dyn_clk.cycle[i].idx];
if (hw_cycles[i]) {
core->dyn_clk.cycle[i].busy[
core->dyn_clk.cycle[i].idx]
= hw_cycles[i] + fw_cycles;
core->dyn_clk.cycle[i].total
+= hw_cycles[i] + fw_cycles;
dprintk(CVP_PWR,
"%s: busy (hw + fw) cycles = %u\n",
__func__,
core->dyn_clk.cycle[i].busy[
core->dyn_clk.cycle[i].idx]);
dprintk(CVP_PWR, "total cycles %u\n",
core->dyn_clk.cycle[i].total);
} else {
core->dyn_clk.cycle[i].busy[
core->dyn_clk.cycle[i].idx] =
hdr->busy_cycles;
core->dyn_clk.cycle[i].total +=
hdr->busy_cycles;
dprintk(CVP_PWR,
"%s - busy cycles = %u total %u\n",
__func__,
core->dyn_clk.cycle[i].busy[
core->dyn_clk.cycle[i].idx],
core->dyn_clk.cycle[i].total);
}
core->dyn_clk.cycle[i].idx =
(core->dyn_clk.cycle[i].idx ==
CVP_CYCLE_STAT_SIZE-1) ?
0 : core->dyn_clk.cycle[i].idx+1;
dprintk(CVP_PWR, "%s - %d: size %u, tens_thresh %u\n",
__func__, i, core->dyn_clk.cycle[i].size,
core->dyn_clk.hi_ctrl_lim[i]);
if (core->dyn_clk.cycle[i].size == CVP_CYCLE_STAT_SIZE
&& core->dyn_clk.hi_ctrl_lim[i] != 0) {
u32 avg_cycles =
core->dyn_clk.cycle[i].total>>3;
if ((avg_cycles > core->dyn_clk.hi_ctrl_lim[i])
|| (avg_cycles <=
core->dyn_clk.lo_ctrl_lim[i])) {
rc = cvp_readjust_clock(core,
avg_cycles,
i);
}
}
}
}
mutex_unlock(&core->clk_lock);
return rc;
}
static int cvp_fence_proc(struct msm_cvp_inst *inst,
struct cvp_fence_command *fc,
struct cvp_hfi_cmd_session_hdr *pkt)
{
int rc = 0;
unsigned long timeout;
u64 ktid;
int synx_state = SYNX_STATE_SIGNALED_SUCCESS;
struct cvp_hfi_device *hdev;
struct cvp_session_queue *sq;
u32 hfi_err = HFI_ERR_NONE;
struct cvp_hfi_msg_session_hdr_ext hdr;
bool clock_check = false;
dprintk(CVP_SYNX, "%s %s\n", current->comm, __func__);
hdev = inst->core->device;
sq = &inst->session_queue_fence;
ktid = pkt->client_data.kdata;
rc = cvp_synx_ops(inst, CVP_INPUT_SYNX, fc, &synx_state);
if (rc) {
msm_cvp_unmap_frame(inst, pkt->client_data.kdata);
goto exit;
}
rc = call_hfi_op(hdev, session_send, (void *)inst->session,
(struct cvp_kmd_hfi_packet *)pkt);
if (rc) {
dprintk(CVP_ERR, "%s %s: Failed in call_hfi_op %d, %x\n",
current->comm, __func__, pkt->size, pkt->packet_type);
synx_state = SYNX_STATE_SIGNALED_ERROR;
goto exit;
}
timeout = msecs_to_jiffies(CVP_MAX_WAIT_TIME);
rc = cvp_wait_process_message(inst, sq, &ktid, timeout,
(struct cvp_kmd_hfi_packet *)&hdr);
if (get_msg_size((struct cvp_hfi_msg_session_hdr *) &hdr)
== sizeof(struct cvp_hfi_msg_session_hdr_ext)) {
struct cvp_hfi_msg_session_hdr_ext *fhdr =
(struct cvp_hfi_msg_session_hdr_ext *)&hdr;
dprintk(CVP_HFI, "busy cycle 0x%x, total 0x%x\n",
fhdr->busy_cycles, fhdr->total_cycles);
clock_check = true;
}
hfi_err = hdr.error_type;
if (rc) {
dprintk(CVP_ERR, "%s %s: cvp_wait_process_message rc %d\n",
current->comm, __func__, rc);
synx_state = SYNX_STATE_SIGNALED_ERROR;
goto exit;
}
if (hfi_err == HFI_ERR_SESSION_FLUSHED) {
dprintk(CVP_SYNX, "%s %s: cvp_wait_process_message flushed\n",
current->comm, __func__);
synx_state = SYNX_STATE_SIGNALED_CANCEL;
} else if (hfi_err == HFI_ERR_SESSION_STREAM_CORRUPT) {
dprintk(CVP_WARN, "%s %s: cvp_wait_process_msg non-fatal %d\n",
current->comm, __func__, hfi_err);
synx_state = SYNX_STATE_SIGNALED_SUCCESS;
} else if (hfi_err != HFI_ERR_NONE) {
dprintk(CVP_ERR, "%s %s: cvp_wait_process_message hfi err %d\n",
current->comm, __func__, hfi_err);
synx_state = SYNX_STATE_SIGNALED_CANCEL;
}
exit:
rc = cvp_synx_ops(inst, CVP_OUTPUT_SYNX, fc, &synx_state);
if (clock_check)
cvp_check_clock(inst,
(struct cvp_hfi_msg_session_hdr_ext *)&hdr);
return rc;
}
static int cvp_alloc_fence_data(struct cvp_fence_command **f, u32 size)
{
struct cvp_fence_command *fcmd;
int alloc_size = sizeof(struct cvp_hfi_msg_session_hdr_ext);
fcmd = kzalloc(sizeof(struct cvp_fence_command), GFP_KERNEL);
if (!fcmd)
return -ENOMEM;
alloc_size = (alloc_size >= size) ? alloc_size : size;
fcmd->pkt = kzalloc(alloc_size, GFP_KERNEL);
if (!fcmd->pkt) {
kfree(fcmd);
return -ENOMEM;
}
*f = fcmd;
return 0;
}
static void cvp_free_fence_data(struct cvp_fence_command *f)
{
kfree(f->pkt);
f->pkt = NULL;
kfree(f);
f = NULL;
}
static int cvp_fence_thread(void *data)
{
int rc = 0;
struct msm_cvp_inst *inst;
struct cvp_fence_queue *q;
enum queue_state state;
struct cvp_fence_command *f;
struct cvp_hfi_cmd_session_hdr *pkt;
u32 *synx;
u64 ktid;
dprintk(CVP_SYNX, "Enter %s\n", current->comm);
inst = (struct msm_cvp_inst *)data;
if (!inst || !inst->core || !inst->core->device) {
dprintk(CVP_ERR, "%s invalid inst %pK\n", current->comm, inst);
rc = -EINVAL;
goto exit;
}
q = &inst->fence_cmd_queue;
wait:
dprintk(CVP_SYNX, "%s starts wait\n", current->comm);
f = NULL;
wait_event_interruptible(q->wq, cvp_fence_wait(q, &f, &state));
if (state != QUEUE_ACTIVE)
goto exit;
if (!f)
goto wait;
pkt = f->pkt;
synx = (u32 *)f->synx;
ktid = pkt->client_data.kdata & (FENCE_BIT - 1);
dprintk(CVP_SYNX, "%s pkt type %d on ktid %llu frameID %llu\n",
current->comm, pkt->packet_type, ktid, f->frame_id);
rc = cvp_fence_proc(inst, f, pkt);
mutex_lock(&q->lock);
cvp_release_synx(inst, f);
list_del_init(&f->list);
state = q->state;
mutex_unlock(&q->lock);
dprintk(CVP_SYNX, "%s done with %d ktid %llu frameID %llu rc %d\n",
current->comm, pkt->packet_type, ktid, f->frame_id, rc);
cvp_free_fence_data(f);
if (rc && state != QUEUE_ACTIVE)
goto exit;
goto wait;
exit:
dprintk(CVP_SYNX, "%s exit\n", current->comm);
cvp_put_inst(inst);
do_exit(rc);
}
static int msm_cvp_session_process_hfi_fence(struct msm_cvp_inst *inst,
struct cvp_kmd_arg *arg)
{
int rc = 0;
int idx;
struct cvp_kmd_hfi_fence_packet *fence_pkt;
struct cvp_kmd_hfi_synx_packet *synx_pkt;
struct cvp_kmd_fence_ctrl *kfc;
struct cvp_hfi_cmd_session_hdr *pkt;
unsigned int offset, buf_num, in_offset, in_buf_num;
struct msm_cvp_inst *s;
struct cvp_fence_command *f;
struct cvp_fence_queue *q;
u32 *fence;
enum op_mode mode;
if (!inst || !inst->core || !arg || !inst->core->device) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
q = &inst->fence_cmd_queue;
mutex_lock(&q->lock);
mode = q->mode;
mutex_unlock(&q->lock);
if (mode == OP_DRAINING) {
dprintk(CVP_SYNX, "%s: flush in progress\n", __func__);
rc = -EBUSY;
goto exit;
}
in_offset = arg->buf_offset;
in_buf_num = arg->buf_num;
fence_pkt = &arg->data.hfi_fence_pkt;
pkt = (struct cvp_hfi_cmd_session_hdr *)&fence_pkt->pkt_data;
idx = get_pkt_index((struct cvp_hal_session_cmd_pkt *)pkt);
if (idx < 0 || pkt->size > MAX_HFI_FENCE_OFFSET) {
dprintk(CVP_ERR, "%s incorrect packet %d %#x\n", __func__,
pkt->size, pkt->packet_type);
goto exit;
}
if (in_offset && in_buf_num) {
offset = in_offset;
buf_num = in_buf_num;
} else {
offset = cvp_hfi_defs[idx].buf_offset;
buf_num = cvp_hfi_defs[idx].buf_num;
}
if (!is_buf_param_valid(buf_num, offset)) {
dprintk(CVP_ERR, "Incorrect buf num and offset in cmd\n");
goto exit;
}
rc = msm_cvp_map_frame(inst, (struct cvp_kmd_hfi_packet *)pkt, offset,
buf_num);
if (rc)
goto exit;
rc = cvp_alloc_fence_data(&f, pkt->size);
if (rc)
goto exit;
f->type = cvp_hfi_defs[idx].type;
f->mode = OP_NORMAL;
synx_pkt = &arg->data.hfi_synx_pkt;
if (synx_pkt->fence_data[0] != 0xFEEDFACE) {
dprintk(CVP_ERR, "%s deprecated synx path\n", __func__);
cvp_free_fence_data(f);
msm_cvp_unmap_frame(inst, pkt->client_data.kdata);
goto exit;
} else {
kfc = &synx_pkt->fc;
fence = (u32 *)&kfc->fences;
f->frame_id = kfc->frame_id;
f->signature = 0xFEEDFACE;
f->num_fences = kfc->num_fences;
f->output_index = kfc->output_index;
}
dprintk(CVP_SYNX, "%s: frameID %llu ktid %llu\n",
__func__, f->frame_id, pkt->client_data.kdata);
memcpy(f->pkt, pkt, pkt->size);
f->pkt->client_data.kdata |= FENCE_BIT;
rc = cvp_import_synx(inst, f, fence);
if (rc) {
kfree(f);
goto exit;
}
mutex_lock(&q->lock);
list_add_tail(&f->list, &inst->fence_cmd_queue.wait_list);
mutex_unlock(&q->lock);
wake_up(&inst->fence_cmd_queue.wq);
exit:
cvp_put_inst(s);
return rc;
}
static inline int div_by_1dot5(unsigned int a)
{
unsigned long i = a << 1;
return (unsigned int) i/3;
}
static inline int max_3(unsigned int a, unsigned int b, unsigned int c)
{
return (a >= b) ? ((a >= c) ? a : c) : ((b >= c) ? b : c);
}
static bool is_subblock_profile_existed(struct msm_cvp_inst *inst)
{
return (inst->prop.od_cycles ||
inst->prop.mpu_cycles ||
inst->prop.fdu_cycles ||
inst->prop.ica_cycles);
}
static void aggregate_power_update(struct msm_cvp_core *core,
struct cvp_power_level *nrt_pwr,
struct cvp_power_level *rt_pwr,
unsigned int max_clk_rate)
{
struct msm_cvp_inst *inst;
int i;
unsigned long fdu_sum[2] = {0}, od_sum[2] = {0}, mpu_sum[2] = {0};
unsigned long ica_sum[2] = {0}, fw_sum[2] = {0};
unsigned long op_fdu_max[2] = {0}, op_od_max[2] = {0};
unsigned long op_mpu_max[2] = {0}, op_ica_max[2] = {0};
unsigned long op_fw_max[2] = {0}, bw_sum[2] = {0}, op_bw_max[2] = {0};
core->dyn_clk.sum_fps[HFI_HW_FDU] = 0;
core->dyn_clk.sum_fps[HFI_HW_MPU] = 0;
core->dyn_clk.sum_fps[HFI_HW_OD] = 0;
core->dyn_clk.sum_fps[HFI_HW_ICA] = 0;
mutex_lock(&core->lock);
list_for_each_entry(inst, &core->instances, list) {
if (inst->state == MSM_CVP_CORE_INVALID ||
inst->state == MSM_CVP_CORE_UNINIT ||
!is_subblock_profile_existed(inst))
continue;
if (inst->prop.priority < CVP_RT_PRIO_THRESHOLD) {
/* Non-realtime session use index 0 */
i = 0;
} else {
i = 1;
}
dprintk(CVP_PROF, "pwrUpdate fdu %u od %u mpu %u ica %u\n",
inst->prop.fdu_cycles,
inst->prop.od_cycles,
inst->prop.mpu_cycles,
inst->prop.ica_cycles);
dprintk(CVP_PROF, "pwrUpdate fw %u fdu_o %u od_o %u mpu_o %u\n",
inst->prop.fw_cycles,
inst->prop.fdu_op_cycles,
inst->prop.od_op_cycles,
inst->prop.mpu_op_cycles);
dprintk(CVP_PROF, "pwrUpdate ica_o %u fw_o %u bw %u bw_o %u\n",
inst->prop.ica_op_cycles,
inst->prop.fw_op_cycles,
inst->prop.ddr_bw,
inst->prop.ddr_op_bw);
fdu_sum[i] += inst->prop.fdu_cycles;
od_sum[i] += inst->prop.od_cycles;
mpu_sum[i] += inst->prop.mpu_cycles;
ica_sum[i] += inst->prop.ica_cycles;
fw_sum[i] += inst->prop.fw_cycles;
op_fdu_max[i] =
(op_fdu_max[i] >= inst->prop.fdu_op_cycles) ?
op_fdu_max[i] : inst->prop.fdu_op_cycles;
op_od_max[i] =
(op_od_max[i] >= inst->prop.od_op_cycles) ?
op_od_max[i] : inst->prop.od_op_cycles;
op_mpu_max[i] =
(op_mpu_max[i] >= inst->prop.mpu_op_cycles) ?
op_mpu_max[i] : inst->prop.mpu_op_cycles;
op_ica_max[i] =
(op_ica_max[i] >= inst->prop.ica_op_cycles) ?
op_ica_max[i] : inst->prop.ica_op_cycles;
op_fw_max[i] =
(op_fw_max[i] >= inst->prop.fw_op_cycles) ?
op_fw_max[i] : inst->prop.fw_op_cycles;
bw_sum[i] += inst->prop.ddr_bw;
op_bw_max[i] =
(op_bw_max[i] >= inst->prop.ddr_op_bw) ?
op_bw_max[i] : inst->prop.ddr_op_bw;
dprintk(CVP_PWR, "%s:%d - fps fdu %d mpu %d od %d ica %d\n",
__func__, __LINE__,
inst->prop.fps[HFI_HW_FDU], inst->prop.fps[HFI_HW_MPU],
inst->prop.fps[HFI_HW_OD], inst->prop.fps[HFI_HW_ICA]);
core->dyn_clk.sum_fps[HFI_HW_FDU] += inst->prop.fps[HFI_HW_FDU];
core->dyn_clk.sum_fps[HFI_HW_MPU] += inst->prop.fps[HFI_HW_MPU];
core->dyn_clk.sum_fps[HFI_HW_OD] += inst->prop.fps[HFI_HW_OD];
core->dyn_clk.sum_fps[HFI_HW_ICA] += inst->prop.fps[HFI_HW_ICA];
dprintk(CVP_PWR, "%s:%d - sum_fps fdu %d mpu %d od %d ica %d\n",
__func__, __LINE__,
core->dyn_clk.sum_fps[HFI_HW_FDU],
core->dyn_clk.sum_fps[HFI_HW_MPU],
core->dyn_clk.sum_fps[HFI_HW_OD],
core->dyn_clk.sum_fps[HFI_HW_ICA]);
}
mutex_unlock(&core->lock);
for (i = 0; i < 2; i++) {
fdu_sum[i] = max_3(fdu_sum[i], od_sum[i], mpu_sum[i]);
fdu_sum[i] = max_3(fdu_sum[i], ica_sum[i], fw_sum[i]);
op_fdu_max[i] = max_3(op_fdu_max[i], op_od_max[i],
op_mpu_max[i]);
op_fdu_max[i] = max_3(op_fdu_max[i],
op_ica_max[i], op_fw_max[i]);
op_fdu_max[i] =
(op_fdu_max[i] > max_clk_rate) ?
max_clk_rate : op_fdu_max[i];
bw_sum[i] = (bw_sum[i] >= op_bw_max[i]) ?
bw_sum[i] : op_bw_max[i];
}
nrt_pwr->core_sum += fdu_sum[0];
nrt_pwr->op_core_sum = (nrt_pwr->op_core_sum >= op_fdu_max[0]) ?
nrt_pwr->op_core_sum : op_fdu_max[0];
nrt_pwr->bw_sum += bw_sum[0];
rt_pwr->core_sum += fdu_sum[1];
rt_pwr->op_core_sum = (rt_pwr->op_core_sum >= op_fdu_max[1]) ?
rt_pwr->op_core_sum : op_fdu_max[1];
rt_pwr->bw_sum += bw_sum[1];
}
/**
* adjust_bw_freqs(): calculate CVP clock freq and bw required to sustain
* required use case.
* Bandwidth vote will be best-effort, not returning error if the request
* b/w exceeds max limit.
* Clock vote from non-realtime sessions will be best effort, not returning
* error if the aggreated session clock request exceeds max limit.
* Clock vote from realtime session will be hard request. If aggregated
* session clock request exceeds max limit, the function will return
* error.
*
* Ensure caller acquires clk_lock!
*/
static int adjust_bw_freqs(void)
{
struct msm_cvp_core *core;
struct iris_hfi_device *hdev;
struct bus_info *bus;
struct clock_set *clocks;
struct clock_info *cl;
struct allowed_clock_rates_table *tbl = NULL;
unsigned int tbl_size;
unsigned int cvp_min_rate, cvp_max_rate, max_bw, min_bw;
struct cvp_power_level rt_pwr = {0}, nrt_pwr = {0};
unsigned long tmp, core_sum, op_core_sum, bw_sum;
int i, rc = 0;
unsigned long ctrl_freq;
core = list_first_entry(&cvp_driver->cores, struct msm_cvp_core, list);
hdev = core->device->hfi_device_data;
clocks = &core->resources.clock_set;
cl = &clocks->clock_tbl[clocks->count - 1];
tbl = core->resources.allowed_clks_tbl;
tbl_size = core->resources.allowed_clks_tbl_size;
cvp_min_rate = tbl[0].clock_rate;
cvp_max_rate = tbl[tbl_size - 1].clock_rate;
bus = &core->resources.bus_set.bus_tbl[1];
max_bw = bus->range[1];
min_bw = max_bw/100;
aggregate_power_update(core, &nrt_pwr, &rt_pwr, cvp_max_rate);
dprintk(CVP_PROF, "PwrUpdate nrt %u %u %lld rt %u %u %lld\n",
nrt_pwr.core_sum, nrt_pwr.op_core_sum, nrt_pwr.bw_sum,
rt_pwr.core_sum, rt_pwr.op_core_sum, rt_pwr.bw_sum);
if (rt_pwr.core_sum > cvp_max_rate) {
dprintk(CVP_WARN, "%s clk vote out of range %lld\n",
__func__, rt_pwr.core_sum);
return -ENOTSUPP;
}
core_sum = rt_pwr.core_sum + nrt_pwr.core_sum;
op_core_sum = (rt_pwr.op_core_sum >= nrt_pwr.op_core_sum) ?
rt_pwr.op_core_sum : nrt_pwr.op_core_sum;
core_sum = (core_sum >= op_core_sum) ?
core_sum : op_core_sum;
if (core_sum > cvp_max_rate) {
core_sum = cvp_max_rate;
} else if (core_sum <= cvp_min_rate) {
core_sum = cvp_min_rate;
} else {
for (i = 1; i < tbl_size; i++)
if (core_sum <= tbl[i].clock_rate)
break;
core_sum = tbl[i].clock_rate;
}
bw_sum = rt_pwr.bw_sum + nrt_pwr.bw_sum;
bw_sum = bw_sum >> 10;
bw_sum = (bw_sum > max_bw) ? max_bw : bw_sum;
bw_sum = (bw_sum < min_bw) ? min_bw : bw_sum;
dprintk(CVP_PROF, "%s %lld %lld\n", __func__,
core_sum, bw_sum);
if (!cl->has_scaling) {
dprintk(CVP_ERR, "Cannot scale CVP clock\n");
return -EINVAL;
}
tmp = core->curr_freq;
core->curr_freq = core_sum;
rc = msm_cvp_set_clocks(core);
if (rc) {
dprintk(CVP_ERR,
"Failed to set clock rate %u %s: %d %s\n",
core_sum, cl->name, rc, __func__);
core->curr_freq = tmp;
return rc;
}
ctrl_freq = (core->curr_freq*3)>>1;
core->dyn_clk.conf_freq = core->curr_freq;
for (i = 0; i < HFI_MAX_HW_THREADS; ++i) {
core->dyn_clk.hi_ctrl_lim[i] = core->dyn_clk.sum_fps[i] ?
ctrl_freq/core->dyn_clk.sum_fps[i] : 0;
core->dyn_clk.lo_ctrl_lim[i] =
core->dyn_clk.hi_ctrl_lim[i];
}
hdev->clk_freq = core->curr_freq;
rc = icc_set_bw(bus->client, bw_sum, 0);
if (rc)
dprintk(CVP_ERR, "Failed voting bus %s to ab %u\n",
bus->name, bw_sum);
return rc;
}
static int msm_cvp_update_power(struct msm_cvp_inst *inst)
{
int rc = 0;
struct msm_cvp_core *core;
struct msm_cvp_inst *s;
if (!inst) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
inst->cur_cmd_type = CVP_KMD_UPDATE_POWER;
core = inst->core;
mutex_lock(&core->clk_lock);
rc = adjust_bw_freqs();
mutex_unlock(&core->clk_lock);
inst->cur_cmd_type = 0;
cvp_put_inst(s);
return rc;
}
static int msm_cvp_register_buffer(struct msm_cvp_inst *inst,
struct cvp_kmd_buffer *buf)
{
struct cvp_hfi_device *hdev;
struct cvp_hal_session *session;
struct msm_cvp_inst *s;
int rc = 0;
if (!inst || !inst->core || !buf) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
if (!buf->index)
return 0;
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
inst->cur_cmd_type = CVP_KMD_REGISTER_BUFFER;
session = (struct cvp_hal_session *)inst->session;
if (!session) {
dprintk(CVP_ERR, "%s: invalid session\n", __func__);
rc = -EINVAL;
goto exit;
}
hdev = inst->core->device;
print_client_buffer(CVP_HFI, "register", inst, buf);
rc = msm_cvp_map_buf_dsp(inst, buf);
exit:
inst->cur_cmd_type = 0;
cvp_put_inst(s);
return rc;
}
static int msm_cvp_unregister_buffer(struct msm_cvp_inst *inst,
struct cvp_kmd_buffer *buf)
{
struct msm_cvp_inst *s;
int rc = 0;
if (!inst || !inst->core || !buf) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
if (!buf->index)
return 0;
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
inst->cur_cmd_type = CVP_KMD_UNREGISTER_BUFFER;
print_client_buffer(CVP_HFI, "unregister", inst, buf);
rc = msm_cvp_unmap_buf_dsp(inst, buf);
inst->cur_cmd_type = 0;
cvp_put_inst(s);
return rc;
}
static int msm_cvp_session_create(struct msm_cvp_inst *inst)
{
int rc = 0;
struct synx_initialization_params params;
if (!inst || !inst->core)
return -EINVAL;
if (inst->state >= MSM_CVP_CLOSE_DONE)
return -ECONNRESET;
if (inst->state != MSM_CVP_CORE_INIT_DONE ||
inst->state > MSM_CVP_OPEN_DONE) {
dprintk(CVP_ERR,
"%s Incorrect CVP state %d to create session\n",
__func__, inst->state);
return -EINVAL;
}
rc = msm_cvp_comm_try_state(inst, MSM_CVP_OPEN_DONE);
if (rc) {
dprintk(CVP_ERR,
"Failed to move instance to open done state\n");
goto fail_init;
}
rc = cvp_comm_set_arp_buffers(inst);
if (rc) {
dprintk(CVP_ERR,
"Failed to set ARP buffers\n");
goto fail_init;
}
params.name = "cvp-kernel-client";
if (synx_initialize(&inst->synx_session_id, &params)) {
dprintk(CVP_ERR, "%s synx_initialize failed\n", __func__);
rc = -EFAULT;
}
fail_init:
return rc;
}
static int session_state_check_init(struct msm_cvp_inst *inst)
{
mutex_lock(&inst->lock);
if (inst->state == MSM_CVP_OPEN || inst->state == MSM_CVP_OPEN_DONE) {
mutex_unlock(&inst->lock);
return 0;
}
mutex_unlock(&inst->lock);
return msm_cvp_session_create(inst);
}
static int cvp_fence_thread_start(struct msm_cvp_inst *inst)
{
u32 tnum = 0;
u32 i = 0;
int rc = 0;
char tname[16];
struct task_struct *thread;
struct cvp_fence_queue *q;
struct cvp_session_queue *sq;
if (!inst->prop.fthread_nr)
return 0;
q = &inst->fence_cmd_queue;
mutex_lock(&q->lock);
q->state = QUEUE_ACTIVE;
mutex_unlock(&q->lock);
for (i = 0; i < inst->prop.fthread_nr; ++i) {
if (!cvp_get_inst_validate(inst->core, inst)) {
rc = -ECONNRESET;
goto exit;
}
snprintf(tname, sizeof(tname), "fthread_%d", tnum++);
thread = kthread_run(cvp_fence_thread, inst, tname);
if (!thread) {
dprintk(CVP_ERR, "%s create %s fail", __func__, tname);
rc = -ECHILD;
goto exit;
}
}
sq = &inst->session_queue_fence;
spin_lock(&sq->lock);
sq->state = QUEUE_ACTIVE;
spin_unlock(&sq->lock);
exit:
if (rc) {
mutex_lock(&q->lock);
q->state = QUEUE_STOP;
mutex_unlock(&q->lock);
wake_up_all(&q->wq);
}
return rc;
}
static int cvp_fence_thread_stop(struct msm_cvp_inst *inst)
{
struct cvp_fence_queue *q;
struct cvp_session_queue *sq;
if (!inst->prop.fthread_nr)
return 0;
q = &inst->fence_cmd_queue;
mutex_lock(&q->lock);
q->state = QUEUE_STOP;
mutex_unlock(&q->lock);
sq = &inst->session_queue_fence;
spin_lock(&sq->lock);
sq->state = QUEUE_STOP;
spin_unlock(&sq->lock);
wake_up_all(&q->wq);
wake_up_all(&sq->wq);
return 0;
}
static int msm_cvp_session_start(struct msm_cvp_inst *inst,
struct cvp_kmd_arg *arg)
{
struct cvp_session_queue *sq;
sq = &inst->session_queue;
spin_lock(&sq->lock);
if (sq->msg_count) {
dprintk(CVP_ERR, "session start failed queue not empty%d\n",
sq->msg_count);
spin_unlock(&sq->lock);
return -EINVAL;
}
sq->state = QUEUE_ACTIVE;
spin_unlock(&sq->lock);
return cvp_fence_thread_start(inst);
}
static int msm_cvp_session_stop(struct msm_cvp_inst *inst,
struct cvp_kmd_arg *arg)
{
struct cvp_session_queue *sq;
struct cvp_kmd_session_control *sc = &arg->data.session_ctrl;
sq = &inst->session_queue;
spin_lock(&sq->lock);
if (sq->msg_count) {
dprintk(CVP_ERR, "session stop incorrect: queue not empty%d\n",
sq->msg_count);
sc->ctrl_data[0] = sq->msg_count;
spin_unlock(&sq->lock);
return -EUCLEAN;
}
sq->state = QUEUE_STOP;
pr_info(CVP_DBG_TAG "Stop session: %pK session_id = %d\n",
"sess", inst, hash32_ptr(inst->session));
spin_unlock(&sq->lock);
wake_up_all(&inst->session_queue.wq);
return cvp_fence_thread_stop(inst);
}
int msm_cvp_session_queue_stop(struct msm_cvp_inst *inst)
{
struct cvp_session_queue *sq;
sq = &inst->session_queue;
spin_lock(&sq->lock);
if (sq->state == QUEUE_STOP) {
spin_unlock(&sq->lock);
return 0;
}
sq->state = QUEUE_STOP;
dprintk(CVP_SESS, "Stop session queue: %pK session_id = %d\n",
inst, hash32_ptr(inst->session));
spin_unlock(&sq->lock);
wake_up_all(&inst->session_queue.wq);
return cvp_fence_thread_stop(inst);
}
static int msm_cvp_session_ctrl(struct msm_cvp_inst *inst,
struct cvp_kmd_arg *arg)
{
struct cvp_kmd_session_control *ctrl = &arg->data.session_ctrl;
int rc = 0;
unsigned int ctrl_type;
ctrl_type = ctrl->ctrl_type;
if (!inst && ctrl_type != SESSION_CREATE) {
dprintk(CVP_ERR, "%s invalid session\n", __func__);
return -EINVAL;
}
switch (ctrl_type) {
case SESSION_STOP:
rc = msm_cvp_session_stop(inst, arg);
break;
case SESSION_START:
rc = msm_cvp_session_start(inst, arg);
break;
case SESSION_CREATE:
rc = msm_cvp_session_create(inst);
case SESSION_DELETE:
break;
case SESSION_INFO:
default:
dprintk(CVP_ERR, "%s Unsupported session ctrl%d\n",
__func__, ctrl->ctrl_type);
rc = -EINVAL;
}
return rc;
}
static int msm_cvp_get_sysprop(struct msm_cvp_inst *inst,
struct cvp_kmd_arg *arg)
{
struct cvp_kmd_sys_properties *props = &arg->data.sys_properties;
struct cvp_hfi_device *hdev;
struct iris_hfi_device *hfi;
int i, rc = 0;
if (!inst || !inst->core || !inst->core->device) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
hdev = inst->core->device;
hfi = hdev->hfi_device_data;
for (i = 0; i < props->prop_num; i++) {
switch (props->prop_data[i].prop_type) {
case CVP_KMD_PROP_HFI_VERSION:
{
props->prop_data[i].data = hfi->version;
break;
}
default:
dprintk(CVP_ERR, "unrecognized sys property %d\n",
props->prop_data[i].prop_type);
rc = -EFAULT;
}
}
return rc;
}
static int msm_cvp_set_sysprop(struct msm_cvp_inst *inst,
struct cvp_kmd_arg *arg)
{
struct cvp_kmd_sys_properties *props = &arg->data.sys_properties;
struct cvp_kmd_sys_property *prop_array;
struct cvp_session_prop *session_prop;
int i, rc = 0;
if (!inst) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
if (props->prop_num > MAX_KMD_PROP_NUM_PER_PACKET) {
dprintk(CVP_ERR, "Too many properties %d to set\n",
props->prop_num);
return -E2BIG;
}
prop_array = &arg->data.sys_properties.prop_data[0];
session_prop = &inst->prop;
for (i = 0; i < props->prop_num; i++) {
switch (prop_array[i].prop_type) {
case CVP_KMD_PROP_SESSION_TYPE:
session_prop->type = prop_array[i].data;
break;
case CVP_KMD_PROP_SESSION_KERNELMASK:
session_prop->kernel_mask = prop_array[i].data;
break;
case CVP_KMD_PROP_SESSION_PRIORITY:
session_prop->priority = prop_array[i].data;
break;
case CVP_KMD_PROP_SESSION_SECURITY:
session_prop->is_secure = prop_array[i].data;
break;
case CVP_KMD_PROP_SESSION_DSPMASK:
session_prop->dsp_mask = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_FDU:
session_prop->fdu_cycles = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_ICA:
session_prop->ica_cycles =
div_by_1dot5(prop_array[i].data);
break;
case CVP_KMD_PROP_PWR_OD:
session_prop->od_cycles = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_MPU:
session_prop->mpu_cycles = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_FW:
session_prop->fw_cycles =
div_by_1dot5(prop_array[i].data);
break;
case CVP_KMD_PROP_PWR_DDR:
session_prop->ddr_bw = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_SYSCACHE:
session_prop->ddr_cache = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_FDU_OP:
session_prop->fdu_op_cycles = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_ICA_OP:
session_prop->ica_op_cycles =
div_by_1dot5(prop_array[i].data);
break;
case CVP_KMD_PROP_PWR_OD_OP:
session_prop->od_op_cycles = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_MPU_OP:
session_prop->mpu_op_cycles = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_FW_OP:
session_prop->fw_op_cycles =
div_by_1dot5(prop_array[i].data);
break;
case CVP_KMD_PROP_PWR_DDR_OP:
session_prop->ddr_op_bw = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_SYSCACHE_OP:
session_prop->ddr_op_cache = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_FPS_FDU:
session_prop->fps[HFI_HW_FDU] = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_FPS_MPU:
session_prop->fps[HFI_HW_MPU] = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_FPS_OD:
session_prop->fps[HFI_HW_OD] = prop_array[i].data;
break;
case CVP_KMD_PROP_PWR_FPS_ICA:
session_prop->fps[HFI_HW_ICA] = prop_array[i].data;
break;
default:
dprintk(CVP_ERR,
"unrecognized sys property to set %d\n",
prop_array[i].prop_type);
rc = -EFAULT;
}
}
return rc;
}
static int cvp_drain_fence_cmd_queue_partial(struct msm_cvp_inst *inst)
{
unsigned long wait_time;
struct cvp_fence_queue *q;
struct cvp_fence_command *f;
int rc = 0;
int count = 0, max_count = 0;
q = &inst->fence_cmd_queue;
mutex_lock(&q->lock);
list_for_each_entry(f, &q->sched_list, list) {
if (f->mode == OP_FLUSH)
continue;
++count;
}
list_for_each_entry(f, &q->wait_list, list) {
if (f->mode == OP_FLUSH)
continue;
++count;
}
mutex_unlock(&q->lock);
wait_time = count * CVP_MAX_WAIT_TIME * 1000;
dprintk(CVP_SYNX, "%s: wait %d us for %d fence command\n",
__func__, wait_time, count);
count = 0;
max_count = wait_time / 100;
retry:
mutex_lock(&q->lock);
f = list_first_entry(&q->sched_list, struct cvp_fence_command, list);
/* Wait for all normal frames to finish before return */
if ((f && f->mode == OP_FLUSH) ||
(list_empty(&q->sched_list) && list_empty(&q->wait_list))) {
mutex_unlock(&q->lock);
return rc;
}
mutex_unlock(&q->lock);
usleep_range(100, 200);
++count;
if (count < max_count) {
goto retry;
} else {
rc = -ETIMEDOUT;
dprintk(CVP_ERR, "%s: timed out!\n", __func__);
}
return rc;
}
static int cvp_drain_fence_sched_list(struct msm_cvp_inst *inst)
{
unsigned long wait_time;
struct cvp_fence_queue *q;
struct cvp_fence_command *f;
int rc = 0;
int count = 0, max_count = 0;
u64 ktid;
q = &inst->fence_cmd_queue;
mutex_lock(&q->lock);
list_for_each_entry(f, &q->sched_list, list) {
ktid = f->pkt->client_data.kdata & (FENCE_BIT - 1);
dprintk(CVP_SYNX, "%s: frame %llu %llu is in sched_list\n",
__func__, ktid, f->frame_id);
++count;
}
mutex_unlock(&q->lock);
wait_time = count * CVP_MAX_WAIT_TIME * 1000;
dprintk(CVP_SYNX, "%s: wait %d us for %d fence command\n",
__func__, wait_time, count);
count = 0;
max_count = wait_time / 100;
retry:
mutex_lock(&q->lock);
if (list_empty(&q->sched_list)) {
mutex_unlock(&q->lock);
return rc;
}
mutex_unlock(&q->lock);
usleep_range(100, 200);
++count;
if (count < max_count) {
goto retry;
} else {
rc = -ETIMEDOUT;
dprintk(CVP_ERR, "%s: timed out!\n", __func__);
}
return rc;
}
static void cvp_clean_fence_queue(struct msm_cvp_inst *inst, int synx_state)
{
struct cvp_fence_queue *q;
struct cvp_fence_command *f, *d;
u64 ktid;
q = &inst->fence_cmd_queue;
mutex_lock(&q->lock);
q->mode = OP_DRAINING;
list_for_each_entry_safe(f, d, &q->wait_list, list) {
ktid = f->pkt->client_data.kdata & (FENCE_BIT - 1);
dprintk(CVP_SYNX, "%s: (%#x) flush frame %llu %llu wait_list\n",
__func__, hash32_ptr(inst->session), ktid, f->frame_id);
list_del_init(&f->list);
msm_cvp_unmap_frame(inst, f->pkt->client_data.kdata);
cvp_cancel_synx(inst, CVP_OUTPUT_SYNX, f, synx_state);
cvp_release_synx(inst, f);
cvp_free_fence_data(f);
}
list_for_each_entry(f, &q->sched_list, list) {
ktid = f->pkt->client_data.kdata & (FENCE_BIT - 1);
dprintk(CVP_SYNX, "%s: (%#x)flush frame %llu %llu sched_list\n",
__func__, hash32_ptr(inst->session), ktid, f->frame_id);
cvp_cancel_synx(inst, CVP_INPUT_SYNX, f, synx_state);
}
mutex_unlock(&q->lock);
}
int cvp_stop_clean_fence_queue(struct msm_cvp_inst *inst)
{
struct cvp_fence_queue *q;
u32 count = 0, max_retries = 100;
cvp_clean_fence_queue(inst, SYNX_STATE_SIGNALED_ERROR);
cvp_fence_thread_stop(inst);
/* Waiting for all output synx sent */
q = &inst->fence_cmd_queue;
retry:
mutex_lock(&q->lock);
if (list_empty(&q->sched_list)) {
mutex_unlock(&q->lock);
return 0;
}
mutex_unlock(&q->lock);
usleep_range(500, 1000);
if (++count > max_retries)
return -EBUSY;
goto retry;
}
static int cvp_flush_all(struct msm_cvp_inst *inst)
{
int rc = 0;
struct msm_cvp_inst *s;
struct cvp_fence_queue *q;
struct cvp_hfi_device *hdev;
if (!inst || !inst->core) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
dprintk(CVP_SESS, "session %llx (%#x)flush all starts\n",
inst, hash32_ptr(inst->session));
q = &inst->fence_cmd_queue;
hdev = inst->core->device;
cvp_clean_fence_queue(inst, SYNX_STATE_SIGNALED_CANCEL);
dprintk(CVP_SESS, "%s: (%#x) send flush to fw\n",
__func__, hash32_ptr(inst->session));
/* Send flush to FW */
rc = call_hfi_op(hdev, session_flush, (void *)inst->session);
if (rc) {
dprintk(CVP_WARN, "%s: continue flush without fw. rc %d\n",
__func__, rc);
goto exit;
}
/* Wait for FW response */
rc = wait_for_sess_signal_receipt(inst, HAL_SESSION_FLUSH_DONE);
if (rc)
dprintk(CVP_WARN, "%s: wait for signal failed, rc %d\n",
__func__, rc);
dprintk(CVP_SESS, "%s: (%#x) received flush from fw\n",
__func__, hash32_ptr(inst->session));
exit:
rc = cvp_drain_fence_sched_list(inst);
mutex_lock(&q->lock);
q->mode = OP_NORMAL;
mutex_unlock(&q->lock);
cvp_put_inst(s);
return rc;
}
static void cvp_mark_fence_command(struct msm_cvp_inst *inst, u64 frame_id)
{
int found = false;
struct cvp_fence_queue *q;
struct cvp_fence_command *f;
q = &inst->fence_cmd_queue;
list_for_each_entry(f, &q->sched_list, list) {
if (found) {
f->mode = OP_FLUSH;
continue;
}
if (f->frame_id >= frame_id) {
found = true;
f->mode = OP_FLUSH;
}
}
list_for_each_entry(f, &q->wait_list, list) {
if (found) {
f->mode = OP_FLUSH;
continue;
}
if (f->frame_id >= frame_id) {
found = true;
f->mode = OP_FLUSH;
}
}
}
static int cvp_flush_frame(struct msm_cvp_inst *inst, u64 frame_id)
{
int rc = 0;
struct msm_cvp_inst *s;
struct cvp_fence_queue *q;
struct cvp_fence_command *f, *d;
u64 ktid;
if (!inst || !inst->core) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
dprintk(CVP_SESS, "Session %llx, flush frame with id %llu\n",
inst, frame_id);
q = &inst->fence_cmd_queue;
mutex_lock(&q->lock);
q->mode = OP_DRAINING;
cvp_mark_fence_command(inst, frame_id);
list_for_each_entry_safe(f, d, &q->wait_list, list) {
if (f->mode != OP_FLUSH)
continue;
ktid = f->pkt->client_data.kdata & (FENCE_BIT - 1);
dprintk(CVP_SYNX, "%s: flush frame %llu %llu from wait_list\n",
__func__, ktid, f->frame_id);
list_del_init(&f->list);
msm_cvp_unmap_frame(inst, f->pkt->client_data.kdata);
cvp_cancel_synx(inst, CVP_OUTPUT_SYNX, f,
SYNX_STATE_SIGNALED_CANCEL);
cvp_release_synx(inst, f);
cvp_free_fence_data(f);
}
list_for_each_entry(f, &q->sched_list, list) {
if (f->mode != OP_FLUSH)
continue;
ktid = f->pkt->client_data.kdata & (FENCE_BIT - 1);
dprintk(CVP_SYNX, "%s: flush frame %llu %llu from sched_list\n",
__func__, ktid, f->frame_id);
cvp_cancel_synx(inst, CVP_INPUT_SYNX, f,
SYNX_STATE_SIGNALED_CANCEL);
}
mutex_unlock(&q->lock);
rc = cvp_drain_fence_cmd_queue_partial(inst);
if (rc)
dprintk(CVP_WARN, "%s: continue flush. rc %d\n",
__func__, rc);
rc = cvp_flush_all(inst);
cvp_put_inst(s);
return rc;
}
int msm_cvp_handle_syscall(struct msm_cvp_inst *inst, struct cvp_kmd_arg *arg)
{
int rc = 0;
if (!inst || !arg) {
dprintk(CVP_ERR, "%s: invalid args\n", __func__);
return -EINVAL;
}
dprintk(CVP_HFI, "%s: arg->type = %x", __func__, arg->type);
if (arg->type != CVP_KMD_SESSION_CONTROL &&
arg->type != CVP_KMD_SET_SYS_PROPERTY &&
arg->type != CVP_KMD_GET_SYS_PROPERTY) {
rc = session_state_check_init(inst);
if (rc) {
dprintk(CVP_ERR,
"Incorrect session state %d for command %#x",
inst->state, arg->type);
return rc;
}
}
switch (arg->type) {
case CVP_KMD_GET_SESSION_INFO:
{
struct cvp_kmd_session_info *session =
(struct cvp_kmd_session_info *)&arg->data.session;
rc = msm_cvp_get_session_info(inst, session);
break;
}
case CVP_KMD_UPDATE_POWER:
{
rc = msm_cvp_update_power(inst);
break;
}
case CVP_KMD_REGISTER_BUFFER:
{
struct cvp_kmd_buffer *buf =
(struct cvp_kmd_buffer *)&arg->data.regbuf;
rc = msm_cvp_register_buffer(inst, buf);
break;
}
case CVP_KMD_UNREGISTER_BUFFER:
{
struct cvp_kmd_buffer *buf =
(struct cvp_kmd_buffer *)&arg->data.unregbuf;
rc = msm_cvp_unregister_buffer(inst, buf);
break;
}
case CVP_KMD_RECEIVE_MSG_PKT:
{
struct cvp_kmd_hfi_packet *out_pkt =
(struct cvp_kmd_hfi_packet *)&arg->data.hfi_pkt;
rc = msm_cvp_session_receive_hfi(inst, out_pkt);
break;
}
case CVP_KMD_SEND_CMD_PKT:
{
struct cvp_kmd_hfi_packet *in_pkt =
(struct cvp_kmd_hfi_packet *)&arg->data.hfi_pkt;
rc = msm_cvp_session_process_hfi(inst, in_pkt,
arg->buf_offset, arg->buf_num);
break;
}
case CVP_KMD_SEND_FENCE_CMD_PKT:
{
rc = msm_cvp_session_process_hfi_fence(inst, arg);
break;
}
case CVP_KMD_SESSION_CONTROL:
rc = msm_cvp_session_ctrl(inst, arg);
break;
case CVP_KMD_GET_SYS_PROPERTY:
rc = msm_cvp_get_sysprop(inst, arg);
break;
case CVP_KMD_SET_SYS_PROPERTY:
rc = msm_cvp_set_sysprop(inst, arg);
break;
case CVP_KMD_FLUSH_ALL:
rc = cvp_flush_all(inst);
break;
case CVP_KMD_FLUSH_FRAME:
rc = cvp_flush_frame(inst, arg->data.frame_id);
break;
default:
dprintk(CVP_HFI, "%s: unknown arg type %#x\n",
__func__, arg->type);
rc = -ENOTSUPP;
break;
}
return rc;
}
int msm_cvp_session_deinit(struct msm_cvp_inst *inst)
{
int rc = 0;
struct cvp_hal_session *session;
if (!inst || !inst->core) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
dprintk(CVP_SESS, "%s: inst %pK (%#x)\n", __func__,
inst, hash32_ptr(inst->session));
session = (struct cvp_hal_session *)inst->session;
if (!session)
return rc;
rc = msm_cvp_comm_try_state(inst, MSM_CVP_CLOSE_DONE);
if (rc)
dprintk(CVP_ERR, "%s: close failed\n", __func__);
rc = msm_cvp_session_deinit_buffers(inst);
return rc;
}
int msm_cvp_session_init(struct msm_cvp_inst *inst)
{
int rc = 0;
if (!inst) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
dprintk(CVP_SESS, "%s: inst %pK (%#x)\n", __func__,
inst, hash32_ptr(inst->session));
/* set default frequency */
inst->clk_data.core_id = 0;
inst->clk_data.min_freq = 1000;
inst->clk_data.ddr_bw = 1000;
inst->clk_data.sys_cache_bw = 1000;
inst->prop.type = HFI_SESSION_CV;
if (inst->session_type == MSM_CVP_KERNEL)
inst->prop.type = HFI_SESSION_DME;
inst->prop.kernel_mask = 0xFFFFFFFF;
inst->prop.priority = 0;
inst->prop.is_secure = 0;
inst->prop.dsp_mask = 0;
inst->prop.fthread_nr = 3;
return rc;
}
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