#include <linux/cacheflush.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/io.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include "ipu6-bus.h"
#include "ipu6-fw-com.h"
#include "ipu6-isys.h"
#include "ipu6-platform-isys-csi2-reg.h"
#include "ipu6-platform-regs.h"
static const char send_msg_types[N_IPU6_FW_ISYS_SEND_TYPE][32] = {
"STREAM_OPEN",
"STREAM_START",
"STREAM_START_AND_CAPTURE",
"STREAM_CAPTURE",
"STREAM_STOP",
"STREAM_FLUSH",
"STREAM_CLOSE"
};
static int handle_proxy_response(struct ipu6_isys *isys, unsigned int req_id)
{
struct device *dev = &isys->adev->auxdev.dev;
struct ipu6_fw_isys_proxy_resp_info_abi *resp;
int ret;
resp = ipu6_recv_get_token(isys->fwcom, IPU6_BASE_PROXY_RECV_QUEUES);
if (!resp)
return 1;
dev_dbg(dev, "Proxy response: id %u, error %u, details %u\n",
resp->request_id, resp->error_info.error,
resp->error_info.error_details);
ret = req_id == resp->request_id ? 0 : -EIO;
ipu6_recv_put_token(isys->fwcom, IPU6_BASE_PROXY_RECV_QUEUES);
return ret;
}
int ipu6_fw_isys_send_proxy_token(struct ipu6_isys *isys,
unsigned int req_id,
unsigned int index,
unsigned int offset, u32 value)
{
struct ipu6_fw_com_context *ctx = isys->fwcom;
struct device *dev = &isys->adev->auxdev.dev;
struct ipu6_fw_proxy_send_queue_token *token;
unsigned int timeout = 1000;
int ret;
dev_dbg(dev,
"proxy send: req_id 0x%x, index %d, offset 0x%x, value 0x%x\n",
req_id, index, offset, value);
token = ipu6_send_get_token(ctx, IPU6_BASE_PROXY_SEND_QUEUES);
if (!token)
return -EBUSY;
token->request_id = req_id;
token->region_index = index;
token->offset = offset;
token->value = value;
ipu6_send_put_token(ctx, IPU6_BASE_PROXY_SEND_QUEUES);
do {
usleep_range(100, 110);
ret = handle_proxy_response(isys, req_id);
if (!ret)
break;
if (ret == -EIO) {
dev_err(dev, "Proxy respond with unexpected id\n");
break;
}
timeout--;
} while (ret && timeout);
if (!timeout)
dev_err(dev, "Proxy response timed out\n");
return ret;
}
int ipu6_fw_isys_complex_cmd(struct ipu6_isys *isys,
const unsigned int stream_handle,
void *cpu_mapped_buf,
dma_addr_t dma_mapped_buf,
size_t size, u16 send_type)
{
struct ipu6_fw_com_context *ctx = isys->fwcom;
struct device *dev = &isys->adev->auxdev.dev;
struct ipu6_fw_send_queue_token *token;
if (send_type >= N_IPU6_FW_ISYS_SEND_TYPE)
return -EINVAL;
dev_dbg(dev, "send_token: %s\n", send_msg_types[send_type]);
if (cpu_mapped_buf)
clflush_cache_range(cpu_mapped_buf, size);
token = ipu6_send_get_token(ctx,
stream_handle + IPU6_BASE_MSG_SEND_QUEUES);
if (!token)
return -EBUSY;
token->payload = dma_mapped_buf;
token->buf_handle = (unsigned long)cpu_mapped_buf;
token->send_type = send_type;
ipu6_send_put_token(ctx, stream_handle + IPU6_BASE_MSG_SEND_QUEUES);
return 0;
}
int ipu6_fw_isys_simple_cmd(struct ipu6_isys *isys,
const unsigned int stream_handle, u16 send_type)
{
return ipu6_fw_isys_complex_cmd(isys, stream_handle, NULL, 0, 0,
send_type);
}
int ipu6_fw_isys_close(struct ipu6_isys *isys)
{
struct device *dev = &isys->adev->auxdev.dev;
int retry = IPU6_ISYS_CLOSE_RETRY;
unsigned long flags;
void *fwcom;
int ret;
spin_lock_irqsave(&isys->power_lock, flags);
ret = ipu6_fw_com_close(isys->fwcom);
fwcom = isys->fwcom;
isys->fwcom = NULL;
spin_unlock_irqrestore(&isys->power_lock, flags);
if (ret)
dev_err(dev, "Device close failure: %d\n", ret);
do {
usleep_range(400, 500);
ret = ipu6_fw_com_release(fwcom, 0);
retry--;
} while (ret && retry);
if (ret) {
dev_err(dev, "Device release time out %d\n", ret);
spin_lock_irqsave(&isys->power_lock, flags);
isys->fwcom = fwcom;
spin_unlock_irqrestore(&isys->power_lock, flags);
}
return ret;
}
void ipu6_fw_isys_cleanup(struct ipu6_isys *isys)
{
int ret;
ret = ipu6_fw_com_release(isys->fwcom, 1);
if (ret < 0)
dev_warn(&isys->adev->auxdev.dev,
"Device busy, fw_com release failed.");
isys->fwcom = NULL;
}
static void start_sp(struct ipu6_bus_device *adev)
{
struct ipu6_isys *isys = ipu6_bus_get_drvdata(adev);
void __iomem *spc_regs_base = isys->pdata->base +
isys->pdata->ipdata->hw_variant.spc_offset;
u32 val = IPU6_ISYS_SPC_STATUS_START |
IPU6_ISYS_SPC_STATUS_RUN |
IPU6_ISYS_SPC_STATUS_CTRL_ICACHE_INVALIDATE;
val |= isys->icache_prefetch ? IPU6_ISYS_SPC_STATUS_ICACHE_PREFETCH : 0;
writel(val, spc_regs_base + IPU6_ISYS_REG_SPC_STATUS_CTRL);
}
static int query_sp(struct ipu6_bus_device *adev)
{
struct ipu6_isys *isys = ipu6_bus_get_drvdata(adev);
void __iomem *spc_regs_base = isys->pdata->base +
isys->pdata->ipdata->hw_variant.spc_offset;
u32 val;
val = readl(spc_regs_base + IPU6_ISYS_REG_SPC_STATUS_CTRL);
val &= IPU6_ISYS_SPC_STATUS_READY | IPU6_ISYS_SPC_STATUS_START;
return val == IPU6_ISYS_SPC_STATUS_READY;
}
static int ipu6_isys_fwcom_cfg_init(struct ipu6_isys *isys,
struct ipu6_fw_com_cfg *fwcom,
unsigned int num_streams)
{
unsigned int max_send_queues, max_sram_blocks, max_devq_size;
struct ipu6_fw_syscom_queue_config *input_queue_cfg;
struct ipu6_fw_syscom_queue_config *output_queue_cfg;
struct device *dev = &isys->adev->auxdev.dev;
int type_proxy = IPU6_FW_ISYS_QUEUE_TYPE_PROXY;
int type_dev = IPU6_FW_ISYS_QUEUE_TYPE_DEV;
int type_msg = IPU6_FW_ISYS_QUEUE_TYPE_MSG;
int base_dev_send = IPU6_BASE_DEV_SEND_QUEUES;
int base_msg_send = IPU6_BASE_MSG_SEND_QUEUES;
int base_msg_recv = IPU6_BASE_MSG_RECV_QUEUES;
struct ipu6_fw_isys_fw_config *isys_fw_cfg;
u32 num_in_message_queues;
unsigned int max_streams;
unsigned int size;
unsigned int i;
max_streams = isys->pdata->ipdata->max_streams;
max_send_queues = isys->pdata->ipdata->max_send_queues;
max_sram_blocks = isys->pdata->ipdata->max_sram_blocks;
max_devq_size = isys->pdata->ipdata->max_devq_size;
num_in_message_queues = clamp(num_streams, 1U, max_streams);
isys_fw_cfg = devm_kzalloc(dev, sizeof(*isys_fw_cfg), GFP_KERNEL);
if (!isys_fw_cfg)
return -ENOMEM;
isys_fw_cfg->num_send_queues[type_proxy] = IPU6_N_MAX_PROXY_SEND_QUEUES;
isys_fw_cfg->num_send_queues[type_dev] = IPU6_N_MAX_DEV_SEND_QUEUES;
isys_fw_cfg->num_send_queues[type_msg] = num_in_message_queues;
isys_fw_cfg->num_recv_queues[type_proxy] = IPU6_N_MAX_PROXY_RECV_QUEUES;
isys_fw_cfg->num_recv_queues[type_dev] = 0;
isys_fw_cfg->num_recv_queues[type_msg] = 1;
size = sizeof(*input_queue_cfg) * max_send_queues;
input_queue_cfg = devm_kzalloc(dev, size, GFP_KERNEL);
if (!input_queue_cfg)
return -ENOMEM;
size = sizeof(*output_queue_cfg) * IPU6_N_MAX_RECV_QUEUES;
output_queue_cfg = devm_kzalloc(dev, size, GFP_KERNEL);
if (!output_queue_cfg)
return -ENOMEM;
fwcom->input = input_queue_cfg;
fwcom->output = output_queue_cfg;
fwcom->num_input_queues = isys_fw_cfg->num_send_queues[type_proxy] +
isys_fw_cfg->num_send_queues[type_dev] +
isys_fw_cfg->num_send_queues[type_msg];
fwcom->num_output_queues = isys_fw_cfg->num_recv_queues[type_proxy] +
isys_fw_cfg->num_recv_queues[type_dev] +
isys_fw_cfg->num_recv_queues[type_msg];
for (i = 0; i < max_sram_blocks; i++) {
if (i < num_in_message_queues)
isys_fw_cfg->buffer_partition.num_gda_pages[i] =
(IPU6_DEVICE_GDA_NR_PAGES *
IPU6_DEVICE_GDA_VIRT_FACTOR) /
num_in_message_queues;
else
isys_fw_cfg->buffer_partition.num_gda_pages[i] = 0;
}
for (i = 0; i < isys_fw_cfg->num_send_queues[type_proxy]; i++) {
input_queue_cfg[i].token_size =
sizeof(struct ipu6_fw_proxy_send_queue_token);
input_queue_cfg[i].queue_size = IPU6_ISYS_SIZE_PROXY_SEND_QUEUE;
}
for (i = 0; i < isys_fw_cfg->num_send_queues[type_dev]; i++) {
input_queue_cfg[base_dev_send + i].token_size =
sizeof(struct ipu6_fw_send_queue_token);
input_queue_cfg[base_dev_send + i].queue_size = max_devq_size;
}
for (i = 0; i < isys_fw_cfg->num_send_queues[type_msg]; i++) {
input_queue_cfg[base_msg_send + i].token_size =
sizeof(struct ipu6_fw_send_queue_token);
input_queue_cfg[base_msg_send + i].queue_size =
IPU6_ISYS_SIZE_SEND_QUEUE;
}
for (i = 0; i < isys_fw_cfg->num_recv_queues[type_proxy]; i++) {
output_queue_cfg[i].token_size =
sizeof(struct ipu6_fw_proxy_resp_queue_token);
output_queue_cfg[i].queue_size =
IPU6_ISYS_SIZE_PROXY_RECV_QUEUE;
}
for (i = 0; i < isys_fw_cfg->num_recv_queues[type_msg]; i++) {
output_queue_cfg[base_msg_recv + i].token_size =
sizeof(struct ipu6_fw_resp_queue_token);
output_queue_cfg[base_msg_recv + i].queue_size =
IPU6_ISYS_SIZE_RECV_QUEUE;
}
fwcom->dmem_addr = isys->pdata->ipdata->hw_variant.dmem_offset;
fwcom->specific_addr = isys_fw_cfg;
fwcom->specific_size = sizeof(*isys_fw_cfg);
return 0;
}
int ipu6_fw_isys_init(struct ipu6_isys *isys, unsigned int num_streams)
{
struct device *dev = &isys->adev->auxdev.dev;
int retry = IPU6_ISYS_OPEN_RETRY;
struct ipu6_fw_com_cfg fwcom = {
.cell_start = start_sp,
.cell_ready = query_sp,
.buttress_boot_offset = SYSCOM_BUTTRESS_FW_PARAMS_ISYS_OFFSET,
};
int ret;
ipu6_isys_fwcom_cfg_init(isys, &fwcom, num_streams);
isys->fwcom = ipu6_fw_com_prepare(&fwcom, isys->adev,
isys->pdata->base);
if (!isys->fwcom) {
dev_err(dev, "isys fw com prepare failed\n");
return -EIO;
}
ret = ipu6_fw_com_open(isys->fwcom);
if (ret) {
dev_err(dev, "isys fw com open failed %d\n", ret);
return ret;
}
do {
usleep_range(400, 500);
if (ipu6_fw_com_ready(isys->fwcom))
break;
retry--;
} while (retry > 0);
if (!retry) {
dev_err(dev, "isys port open ready failed %d\n", ret);
ipu6_fw_isys_close(isys);
ret = -EIO;
}
return ret;
}
struct ipu6_fw_isys_resp_info_abi *
ipu6_fw_isys_get_resp(void *context, unsigned int queue)
{
return ipu6_recv_get_token(context, queue);
}
void ipu6_fw_isys_put_resp(void *context, unsigned int queue)
{
ipu6_recv_put_token(context, queue);
}
void ipu6_fw_isys_dump_stream_cfg(struct device *dev,
struct ipu6_fw_isys_stream_cfg_data_abi *cfg)
{
unsigned int i;
dev_dbg(dev, "-----------------------------------------------------\n");
dev_dbg(dev, "IPU6_FW_ISYS_STREAM_CFG_DATA\n");
dev_dbg(dev, "compfmt = %d\n", cfg->vc);
dev_dbg(dev, "src = %d\n", cfg->src);
dev_dbg(dev, "vc = %d\n", cfg->vc);
dev_dbg(dev, "isl_use = %d\n", cfg->isl_use);
dev_dbg(dev, "sensor_type = %d\n", cfg->sensor_type);
dev_dbg(dev, "send_irq_sof_discarded = %d\n",
cfg->send_irq_sof_discarded);
dev_dbg(dev, "send_irq_eof_discarded = %d\n",
cfg->send_irq_eof_discarded);
dev_dbg(dev, "send_resp_sof_discarded = %d\n",
cfg->send_resp_sof_discarded);
dev_dbg(dev, "send_resp_eof_discarded = %d\n",
cfg->send_resp_eof_discarded);
dev_dbg(dev, "crop:\n");
dev_dbg(dev, "\t.left_top = [%d, %d]\n", cfg->crop.left_offset,
cfg->crop.top_offset);
dev_dbg(dev, "\t.right_bottom = [%d, %d]\n", cfg->crop.right_offset,
cfg->crop.bottom_offset);
dev_dbg(dev, "nof_input_pins = %d\n", cfg->nof_input_pins);
for (i = 0; i < cfg->nof_input_pins; i++) {
dev_dbg(dev, "input pin[%d]:\n", i);
dev_dbg(dev, "\t.dt = 0x%0x\n", cfg->input_pins[i].dt);
dev_dbg(dev, "\t.mipi_store_mode = %d\n",
cfg->input_pins[i].mipi_store_mode);
dev_dbg(dev, "\t.bits_per_pix = %d\n",
cfg->input_pins[i].bits_per_pix);
dev_dbg(dev, "\t.mapped_dt = 0x%0x\n",
cfg->input_pins[i].mapped_dt);
dev_dbg(dev, "\t.input_res = %dx%d\n",
cfg->input_pins[i].input_res.width,
cfg->input_pins[i].input_res.height);
dev_dbg(dev, "\t.mipi_decompression = %d\n",
cfg->input_pins[i].mipi_decompression);
dev_dbg(dev, "\t.capture_mode = %d\n",
cfg->input_pins[i].capture_mode);
}
dev_dbg(dev, "nof_output_pins = %d\n", cfg->nof_output_pins);
for (i = 0; i < cfg->nof_output_pins; i++) {
dev_dbg(dev, "output_pin[%d]:\n", i);
dev_dbg(dev, "\t.input_pin_id = %d\n",
cfg->output_pins[i].input_pin_id);
dev_dbg(dev, "\t.output_res = %dx%d\n",
cfg->output_pins[i].output_res.width,
cfg->output_pins[i].output_res.height);
dev_dbg(dev, "\t.stride = %d\n", cfg->output_pins[i].stride);
dev_dbg(dev, "\t.pt = %d\n", cfg->output_pins[i].pt);
dev_dbg(dev, "\t.payload_buf_size = %d\n",
cfg->output_pins[i].payload_buf_size);
dev_dbg(dev, "\t.ft = %d\n", cfg->output_pins[i].ft);
dev_dbg(dev, "\t.watermark_in_lines = %d\n",
cfg->output_pins[i].watermark_in_lines);
dev_dbg(dev, "\t.send_irq = %d\n",
cfg->output_pins[i].send_irq);
dev_dbg(dev, "\t.reserve_compression = %d\n",
cfg->output_pins[i].reserve_compression);
dev_dbg(dev, "\t.snoopable = %d\n",
cfg->output_pins[i].snoopable);
dev_dbg(dev, "\t.error_handling_enable = %d\n",
cfg->output_pins[i].error_handling_enable);
dev_dbg(dev, "\t.sensor_type = %d\n",
cfg->output_pins[i].sensor_type);
}
dev_dbg(dev, "-----------------------------------------------------\n");
}
void
ipu6_fw_isys_dump_frame_buff_set(struct device *dev,
struct ipu6_fw_isys_frame_buff_set_abi *buf,
unsigned int outputs)
{
unsigned int i;
dev_dbg(dev, "-----------------------------------------------------\n");
dev_dbg(dev, "IPU6_FW_ISYS_FRAME_BUFF_SET\n");
for (i = 0; i < outputs; i++) {
dev_dbg(dev, "output_pin[%d]:\n", i);
dev_dbg(dev, "\t.out_buf_id = %llu\n",
buf->output_pins[i].out_buf_id);
dev_dbg(dev, "\t.addr = 0x%x\n", buf->output_pins[i].addr);
dev_dbg(dev, "\t.compress = %d\n",
buf->output_pins[i].compress);
}
dev_dbg(dev, "send_irq_sof = 0x%x\n", buf->send_irq_sof);
dev_dbg(dev, "send_irq_eof = 0x%x\n", buf->send_irq_eof);
dev_dbg(dev, "send_resp_sof = 0x%x\n", buf->send_resp_sof);
dev_dbg(dev, "send_resp_eof = 0x%x\n", buf->send_resp_eof);
dev_dbg(dev, "send_irq_capture_ack = 0x%x\n",
buf->send_irq_capture_ack);
dev_dbg(dev, "send_irq_capture_done = 0x%x\n",
buf->send_irq_capture_done);
dev_dbg(dev, "send_resp_capture_ack = 0x%x\n",
buf->send_resp_capture_ack);
dev_dbg(dev, "send_resp_capture_done = 0x%x\n",
buf->send_resp_capture_done);
dev_dbg(dev, "-----------------------------------------------------\n");
}
