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pxmlt_device.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* PTX driver for PLEX PX-MLT series devices (pxmlt_device.c)
*
* Copyright (c) 2018-2021 nns779
*/
#include "print_format.h"
#include "pxmlt_device.h"
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include "px4_device_params.h"
#include "firmware.h"
#define PXMLT_DEVICE_TS_SYNC_COUNT 4
#define PXMLT_DEVICE_TS_SYNC_SIZE (188 * PXMLT_DEVICE_TS_SYNC_COUNT)
struct pxmlt_stream_context {
struct ptx_chrdev *chrdev[PXMLT_CHRDEV_MAX_NUM];
u8 remain_buf[PXMLT_DEVICE_TS_SYNC_SIZE];
size_t remain_len;
};
static int pxmlt_chrdev_set_lnb_voltage(struct ptx_chrdev *chrdev, int voltage);
static void pxmlt_device_release(struct kref *kref);
static int pxmlt_backend_set_power(struct pxmlt_device *pxmlt, bool state)
{
int ret = 0;
struct it930x_bridge *it930x = &pxmlt->it930x;
dev_dbg(pxmlt->dev,
"pxmlt_backend_set_power: %s\n", (state) ? "true" : "false");
if (!state && !atomic_read(&pxmlt->available))
return 0;
if (state) {
ret = it930x_write_gpio(it930x, 7, false);
if (ret)
return ret;
msleep(80);
ret = it930x_write_gpio(it930x, 2, true);
if (ret)
return ret;
msleep(20);
} else {
it930x_write_gpio(it930x, 2, false);
it930x_write_gpio(it930x, 7, true);
}
return 0;
}
#if 0
static int pxmlt_backend_init(struct pxmlt_device *pxmlt)
{
int ret = 0, i;
for (i = 0; i < pxmlt->chrdevm_num; i++) {
struct pxmlt_chrdev *chrdevm = &pxmlt->chrdevm[i];
ret = cxd2856er_init(&chrdevm->cxd2856er);
if (ret) {
dev_err(pxmlt->dev,
"pxmlt_backend_init: cxd2856er_init() failed. (i: %d, ret: %d)\n",
i, ret);
break;
}
mutex_lock(chrdevm->tuner_lock);
ret = cxd2858er_init(&chrdevm->cxd2858er);
mutex_unlock(chrdevm->tuner_lock);
if (ret) {
dev_err(pxmlt->dev,
"pxmlt_backend_init: cxd2858er_init() failed. (i: %d, ret: %d)\n",
i, ret);
break;
}
}
return ret;
}
static int pxmlt_backend_term(struct pxmlt_device *pxmlt)
{
int i;
for (i = 0; i < pxmlt->chrdevm_num; i++) {
struct pxmlt_chrdev *chrdevm = &pxmlt->chrdevm[i];
mutex_lock(chrdevm->tuner_lock);
cxd2858er_term(&chrdevm->cxd2858er);
mutex_unlock(chrdevm->tuner_lock);
cxd2856er_term(&chrdevm->cxd2856er);
}
return 0;
}
#endif
static void pxmlt_device_stream_process(struct ptx_chrdev **chrdev,
u8 **buf, u32 *len)
{
u8 *p = *buf;
u32 remain = *len;
while (likely(remain)) {
u32 i;
bool sync_remain = false;
for (i = 0; i < PXMLT_DEVICE_TS_SYNC_COUNT; i++) {
if (likely(((i + 1) * 188) <= remain)) {
if (unlikely((p[i * 188] & 0x8f) != 0x07))
break;
} else {
sync_remain = true;
break;
}
}
if (unlikely(sync_remain))
break;
if (unlikely(i < PXMLT_DEVICE_TS_SYNC_COUNT)) {
p++;
remain--;
continue;
}
while (likely(remain >= 188 && ((p[0] & 0x8f) == 0x07))) {
u8 id = (p[0] & 0x70) >> 4;
if (likely(id && id < 6)) {
p[0] = 0x47;
ptx_chrdev_put_stream(chrdev[id - 1], p, 188);
}
p += 188;
remain -= 188;
}
}
*buf = p;
*len = remain;
return;
}
static int pxmlt_device_stream_handler(void *context, void *buf, u32 len)
{
struct pxmlt_stream_context *stream_ctx = context;
u8 *ctx_remain_buf = stream_ctx->remain_buf;
u32 ctx_remain_len = stream_ctx->remain_len;
u8 *p = buf;
u32 remain = len;
if (unlikely(ctx_remain_len)) {
if (likely((ctx_remain_len + len) >= PXMLT_DEVICE_TS_SYNC_SIZE)) {
u32 t = PXMLT_DEVICE_TS_SYNC_SIZE - ctx_remain_len;
memcpy(ctx_remain_buf + ctx_remain_len, p, t);
ctx_remain_len = PXMLT_DEVICE_TS_SYNC_SIZE;
pxmlt_device_stream_process(stream_ctx->chrdev,
&ctx_remain_buf,
&ctx_remain_len);
if (likely(!ctx_remain_len)) {
p += t;
remain -= t;
}
stream_ctx->remain_len = 0;
} else {
memcpy(ctx_remain_buf + ctx_remain_len, p, len);
stream_ctx->remain_len += len;
return 0;
}
}
pxmlt_device_stream_process(stream_ctx->chrdev, &p, &remain);
if (unlikely(remain)) {
memcpy(stream_ctx->remain_buf, p, remain);
stream_ctx->remain_len = remain;
}
return 0;
}
static int pxmlt_chrdev_init(struct ptx_chrdev *chrdev)
{
dev_dbg(chrdev->parent->dev, "pxmlt_chrdev_init\n");
chrdev->params.system = PTX_UNSPECIFIED_SYSTEM;
return 0;
}
static int pxmlt_chrdev_term(struct ptx_chrdev *chrdev)
{
dev_dbg(chrdev->parent->dev, "pxmlt_chrdev_term\n");
return 0;
}
static int pxmlt_chrdev_open(struct ptx_chrdev *chrdev)
{
int ret = 0;
struct ptx_chrdev_group *chrdev_group = chrdev->parent;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
struct pxmlt_device *pxmlt = chrdevm->parent;
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_open %u:%u\n", chrdev_group->id, chrdev->id);
mutex_lock(&pxmlt->lock);
if (!pxmlt->open_count) {
ret = pxmlt_backend_set_power(pxmlt, true);
if (ret) {
dev_err(pxmlt->dev,
"pxmlt_chrdev_open %u:%u: pxmlt_backend_set_power(true) failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, ret);
goto fail_backend_power;
}
}
ret = cxd2856er_init(&chrdevm->cxd2856er);
if (ret) {
dev_err(pxmlt->dev,
"pxmlt_chrdev_open %u:%u: cxd2856er_init() failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, ret);
goto fail_demod_init;
}
mutex_lock(chrdevm->tuner_lock);
ret = cxd2858er_init(&chrdevm->cxd2858er);
mutex_unlock(chrdevm->tuner_lock);
if (ret) {
dev_err(pxmlt->dev,
"pxmlt_chrdev_open %u:%u: cxd2858er_init() failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, ret);
goto fail_tuner_init;
}
ret = cxd2856er_write_slvt_reg(&chrdevm->cxd2856er, 0x00, 0x00);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg_mask(&chrdevm->cxd2856er,
0xc4, 0x80, 0x88);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg_mask(&chrdevm->cxd2856er,
0xc5, 0x01, 0x01);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg_mask(&chrdevm->cxd2856er,
0xc6, 0x03, 0x1f);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg(&chrdevm->cxd2856er, 0x00, 0x60);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg_mask(&chrdevm->cxd2856er,
0x52, 0x03, 0x1f);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg(&chrdevm->cxd2856er, 0x00, 0x00);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg_mask(&chrdevm->cxd2856er,
0xc8, 0x03, 0x1f);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg_mask(&chrdevm->cxd2856er,
0xc9, 0x03, 0x1f);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg(&chrdevm->cxd2856er, 0x00, 0xa0);
if (ret)
goto fail_backend;
ret = cxd2856er_write_slvt_reg_mask(&chrdevm->cxd2856er,
0xb9, 0x01, 0x01);
if (ret)
goto fail_backend;
pxmlt->open_count++;
kref_get(&pxmlt->kref);
mutex_unlock(&pxmlt->lock);
return 0;
fail_backend:
mutex_lock(chrdevm->tuner_lock);
cxd2858er_term(&chrdevm->cxd2858er);
mutex_unlock(chrdevm->tuner_lock);
fail_tuner_init:
cxd2856er_term(&chrdevm->cxd2856er);
fail_demod_init:
if (!pxmlt->open_count)
pxmlt_backend_set_power(pxmlt, false);
fail_backend_power:
mutex_unlock(&pxmlt->lock);
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_open %u:%u: ret: %d\n",
chrdev_group->id, chrdev->id, ret);
return ret;
}
static int pxmlt_chrdev_release(struct ptx_chrdev *chrdev)
{
struct ptx_chrdev_group *chrdev_group = chrdev->parent;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
struct pxmlt_device *pxmlt = chrdevm->parent;
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_release %u:%u\n", chrdev_group->id, chrdev->id);
pxmlt_chrdev_set_lnb_voltage(chrdev, 0);
mutex_lock(&pxmlt->lock);
if (!pxmlt->open_count) {
mutex_unlock(&pxmlt->lock);
return -EALREADY;
}
mutex_lock(chrdevm->tuner_lock);
cxd2858er_term(&chrdevm->cxd2858er);
mutex_unlock(chrdevm->tuner_lock);
cxd2856er_term(&chrdevm->cxd2856er);
pxmlt->open_count--;
if (!pxmlt->open_count)
pxmlt_backend_set_power(pxmlt, false);
if (kref_put(&pxmlt->kref, pxmlt_device_release))
return 0;
mutex_unlock(&pxmlt->lock);
return 0;
}
static int pxmlt_chrdev_tune(struct ptx_chrdev *chrdev,
struct ptx_tune_params *params)
{
int ret = 0;
struct ptx_chrdev_group *chrdev_group = chrdev->parent;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
struct pxmlt_device *pxmlt = chrdevm->parent;
union cxd2856er_system_params demod_params;
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_tune %u:%u\n", chrdev_group->id, chrdev->id);
memset(&demod_params, 0, sizeof(demod_params));
switch (params->system) {
case PTX_ISDB_T_SYSTEM:
demod_params.bandwidth = params->bandwidth;
ret = cxd2856er_wakeup(&chrdevm->cxd2856er,
CXD2856ER_ISDB_T_SYSTEM, &demod_params);
if (ret)
dev_err(pxmlt->dev,
"pxmlt_chrdev_tune %u:%u: cxd2856er_wakeup(CXD2856ER_ISDB_T_SYSTEM) failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, ret);
break;
case PTX_ISDB_S_SYSTEM:
demod_params.bandwidth = 0;
ret = cxd2856er_wakeup(&chrdevm->cxd2856er,
CXD2856ER_ISDB_S_SYSTEM, &demod_params);
if (ret)
dev_err(pxmlt->dev,
"pxmlt_chrdev_tune %u:%u: cxd2856er_wakeup(CXD2856ER_ISDB_S_SYSTEM) failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, ret);
break;
default:
ret = -EINVAL;
break;
}
if (ret)
return ret;
mutex_lock(chrdevm->tuner_lock);
switch (params->system) {
case PTX_ISDB_T_SYSTEM:
ret = cxd2858er_set_params_t(&chrdevm->cxd2858er,
CXD2858ER_ISDB_T_SYSTEM,
params->freq, 6);
if (ret)
dev_err(pxmlt->dev,
"pxmlt_chrdev_tune %u:%u: cxd2858er_set_params_t(%u, 6) failed. (ret: %d)\n",
chrdev_group->id, chrdev->id,
params->freq, ret);
break;
case PTX_ISDB_S_SYSTEM:
ret = cxd2858er_set_params_s(&chrdevm->cxd2858er,
CXD2858ER_ISDB_S_SYSTEM,
params->freq, 28860);
if (ret)
dev_err(pxmlt->dev,
"pxmlt_chrdev_tune %u:%u: cxd2858er_set_params_s(%u, 28860) failed. (ret: %d)\n",
chrdev_group->id, chrdev->id,
params->freq, ret);
break;
default:
break;
}
mutex_unlock(chrdevm->tuner_lock);
if (ret)
return ret;
ret = cxd2856er_post_tune(&chrdevm->cxd2856er);
if (ret) {
dev_err(pxmlt->dev,
"pxmlt_chrdev_tune %u:%u: cxd2856er_post_tune() failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, ret);
return ret;
}
return 0;
}
static int pxmlt_chrdev_check_lock(struct ptx_chrdev *chrdev, bool *locked)
{
int ret = 0;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
bool unlocked = false;
switch (chrdev->current_system) {
case PTX_ISDB_T_SYSTEM:
ret = cxd2856er_is_ts_locked_isdbt(&chrdevm->cxd2856er,
locked, &unlocked);
if (!ret && unlocked)
ret = -ECANCELED;
break;
case PTX_ISDB_S_SYSTEM:
ret = cxd2856er_is_ts_locked_isdbs(&chrdevm->cxd2856er, locked);
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int pxmlt_chrdev_set_stream_id(struct ptx_chrdev *chrdev, u16 stream_id)
{
int ret = 0;
struct ptx_chrdev_group *chrdev_group = chrdev->parent;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
struct pxmlt_device *pxmlt = chrdevm->parent;
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_set_stream_id %u:%u\n",
chrdev_group->id, chrdev->id);
if (stream_id < 12) {
ret = cxd2856er_set_slot_isdbs(&chrdevm->cxd2856er, stream_id);
if (ret)
dev_err(pxmlt->dev,
"pxmlt_chrdev_set_stream_id %u:%u: cxd2856er_set_slot_isdbs(%u) failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, stream_id, ret);
} else {
ret = cxd2856er_set_tsid_isdbs(&chrdevm->cxd2856er, stream_id);
if (ret)
dev_err(pxmlt->dev,
"pxmlt_chrdev_set_stream_id %u:%u: cxd2856er_set_tsid_isdbs(%u) failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, stream_id, ret);
}
return ret;
}
static int pxmlt_chrdev_set_lnb_voltage(struct ptx_chrdev *chrdev, int voltage)
{
int ret = 0;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
struct pxmlt_device *pxmlt = chrdevm->parent;
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_set_lnb_voltage %u:%u voltage: %d\n",
chrdev->parent->id, chrdev->id, voltage);
if (voltage != 0 && voltage != 15)
return -EINVAL;
if (chrdevm->lnb_power == !!voltage)
return 0;
if (!voltage && !atomic_read(&pxmlt->available))
return 0;
mutex_lock(&pxmlt->lock);
if (!voltage)
pxmlt->lnb_power_count--;
if (!pxmlt->lnb_power_count) {
ret = it930x_write_gpio(&pxmlt->it930x, 11, !!voltage);
if (ret && voltage)
goto exit;
}
if (voltage)
pxmlt->lnb_power_count++;
chrdevm->lnb_power = !!voltage;
exit:
mutex_unlock(&pxmlt->lock);
return ret;
}
static int pxmlt_chrdev_start_capture(struct ptx_chrdev *chrdev)
{
int ret = 0;
struct ptx_chrdev_group *chrdev_group = chrdev->parent;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
struct pxmlt_device *pxmlt = chrdevm->parent;
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_start_capture %u:%u\n",
chrdev_group->id, chrdev->id);
mutex_lock(&pxmlt->lock);
if (!pxmlt->streaming_count) {
struct pxmlt_stream_context *stream_ctx = pxmlt->stream_ctx;
ret = it930x_purge_psb(&pxmlt->it930x,
px4_device_params.psb_purge_timeout);
if (ret) {
dev_err(pxmlt->dev,
"pxmlt_chrdev_start_capture %u:%u: it930x_purge_psb() failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, ret);
goto exit;
}
stream_ctx->remain_len = 0;
ret = itedtv_bus_start_streaming(&pxmlt->it930x.bus,
pxmlt_device_stream_handler,
stream_ctx);
if (ret) {
dev_err(pxmlt->dev,
"pxmlt_chrdev_start_capture %u:%u: itedtv_bus_start_streaming() failed. (ret: %d)\n",
chrdev_group->id, chrdev->id, ret);
goto exit;
}
}
pxmlt->streaming_count++;
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_start_capture %u:%u: streaming_count: %u\n",
chrdev_group->id, chrdev->id, pxmlt->streaming_count);
exit:
mutex_unlock(&pxmlt->lock);
return ret;
}
static int pxmlt_chrdev_stop_capture(struct ptx_chrdev *chrdev)
{
struct ptx_chrdev_group *chrdev_group = chrdev->parent;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
struct pxmlt_device *pxmlt = chrdevm->parent;
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_stop_capture %u:%u\n",
chrdev_group->id, chrdev->id);
mutex_lock(&pxmlt->lock);
if (!pxmlt->streaming_count) {
mutex_unlock(&pxmlt->lock);
return -EALREADY;
}
pxmlt->streaming_count--;
if (!pxmlt->streaming_count) {
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_stop_capture %u:%u: stopping...\n",
chrdev_group->id, chrdev->id);
itedtv_bus_stop_streaming(&pxmlt->it930x.bus);
} else {
dev_dbg(pxmlt->dev,
"pxmlt_chrdev_stop_capture %u:%u: streaming_count: %u\n",
chrdev_group->id, chrdev->id, pxmlt->streaming_count);
}
mutex_unlock(&pxmlt->lock);
return 0;
}
static int pxmlt_chrdev_set_capture(struct ptx_chrdev *chrdev, bool status)
{
return (status) ? pxmlt_chrdev_start_capture(chrdev)
: pxmlt_chrdev_stop_capture(chrdev);
}
/* 10 to 34 dB, 0.5 dB unit */
static const struct {
u16 val;
u32 cn;
} isdbt_cn_raw_table[] = {
{ 0x51, 0xb19ff }, { 0x5a, 0x9eecd }, { 0x65, 0x8cd8b },
{ 0x72, 0x7c302 }, { 0x7f, 0x6f132 }, { 0x8f, 0x6250d },
{ 0xa0, 0x57a1c }, { 0xb4, 0x4db45 }, { 0xc9, 0x45725 },
{ 0xe2, 0x3da59 }, { 0xfd, 0x36f9d }, { 0x11c, 0x30e58 },
{ 0x13f, 0x2b76e }, { 0x166, 0x26abb }, { 0x191, 0x22794 },
{ 0x1c2, 0x1eac7 }, { 0x1f9, 0x1b4a8 }, { 0x237, 0x1844d },
{ 0x27c, 0x159a2 }, { 0x2ca, 0x13365 }, { 0x321, 0x11196 },
{ 0x382, 0xf3ae }, { 0x3f0, 0xd8cb }, { 0x46b, 0xc0fd },
{ 0x4f4, 0xabf9 }, { 0x58f, 0x9923 }, { 0x63d, 0x8868 },
{ 0x700, 0x7995 }, { 0x7da, 0x6c78 }, { 0x8cf, 0x60cf },
{ 0x9e2, 0x5675 }, { 0xb17, 0x4d43 }, { 0xc71, 0x4520 },
{ 0xdf6, 0x3de4 }, { 0xfaa, 0x377b }, { 0x1193, 0x31cc },
{ 0x13b8, 0x2cbf }, { 0x1620, 0x2843 }, { 0x18d3, 0x2447 },
{ 0x1bdb, 0x20bb }, { 0x1f41, 0x1d95 }, { 0x2311, 0x1ac6 },
{ 0x2758, 0x1846 }, { 0x2c25, 0x160a }, { 0x3188, 0x140c },
{ 0x3793, 0x1243 }, { 0x3e5b, 0x10ab }, { 0x45f7, 0xf3c },
{ 0x4e80, 0xdf3 }
};
/* 0 to 20 dB, 0.1 dB unit */
static const struct {
u16 val;
u32 cn;
} isdbs_cn_raw_table[] = {
{ 0x5af, 0x9546 }, { 0x597, 0x94d9 }, { 0x57e, 0x946b },
{ 0x567, 0x93fc }, { 0x550, 0x938c }, { 0x539, 0x931b },
{ 0x522, 0x92a8 }, { 0x50c, 0x9235 }, { 0x4f6, 0x91c1 },
{ 0x4e1, 0x914b }, { 0x4cc, 0x90d5 }, { 0x4b6, 0x905d },
{ 0x4a1, 0x8fe4 }, { 0x48c, 0x8f6a }, { 0x477, 0x8eef },
{ 0x463, 0x8e72 }, { 0x44f, 0x8df5 }, { 0x43c, 0x8d76 },
{ 0x428, 0x8cf5 }, { 0x416, 0x8c74 }, { 0x403, 0x8bf1 },
{ 0x3ef, 0x8b6c }, { 0x3dc, 0x8ae7 }, { 0x3c9, 0x8a60 },
{ 0x3b6, 0x89d7 }, { 0x3a4, 0x894d }, { 0x392, 0x88c2 },
{ 0x381, 0x8835 }, { 0x36f, 0x87a6 }, { 0x35f, 0x8716 },
{ 0x34e, 0x8685 }, { 0x33d, 0x85f1 }, { 0x32d, 0x855d },
{ 0x31d, 0x84c6 }, { 0x30d, 0x842e }, { 0x2fd, 0x8394 },
{ 0x2ee, 0x82f9 }, { 0x2df, 0x825b }, { 0x2d0, 0x81bc },
{ 0x2c2, 0x811c }, { 0x2b4, 0x8079 }, { 0x2a6, 0x7fd5 },
{ 0x299, 0x7f2f }, { 0x28c, 0x7e87 }, { 0x27f, 0x7ddd },
{ 0x272, 0x7d31 }, { 0x265, 0x7c83 }, { 0x259, 0x7bd4 },
{ 0x24d, 0x7b22 }, { 0x241, 0x7a6f }, { 0x236, 0x79ba },
{ 0x22b, 0x7903 }, { 0x220, 0x784a }, { 0x215, 0x778f },
{ 0x20a, 0x76d3 }, { 0x200, 0x7614 }, { 0x1f6, 0x7554 },
{ 0x1ec, 0x7492 }, { 0x1e2, 0x73ce }, { 0x1d8, 0x7308 },
{ 0x1cf, 0x7241 }, { 0x1c6, 0x7178 }, { 0x1bc, 0x70ad },
{ 0x1b3, 0x6fe1 }, { 0x1aa, 0x6f13 }, { 0x1a2, 0x6e44 },
{ 0x199, 0x6d74 }, { 0x191, 0x6ca2 }, { 0x189, 0x6bcf },
{ 0x181, 0x6afb }, { 0x179, 0x6a26 }, { 0x171, 0x6950 },
{ 0x169, 0x687a }, { 0x161, 0x67a2 }, { 0x15a, 0x66ca },
{ 0x153, 0x65f1 }, { 0x14b, 0x6517 }, { 0x144, 0x643e },
{ 0x13d, 0x6364 }, { 0x137, 0x628a }, { 0x130, 0x61b0 },
{ 0x12a, 0x60d6 }, { 0x124, 0x5ffc }, { 0x11e, 0x5f22 },
{ 0x118, 0x5e49 }, { 0x112, 0x5d70 }, { 0x10c, 0x5c98 },
{ 0x107, 0x5bc0 }, { 0x101, 0x5ae9 }, { 0xfc, 0x5a13 },
{ 0xf7, 0x593e }, { 0xf2, 0x5869 }, { 0xec, 0x5796 },
{ 0xe7, 0x56c4 }, { 0xe2, 0x55f3 }, { 0xdd, 0x5523 },
{ 0xd8, 0x5454 }, { 0xd4, 0x5387 }, { 0xcf, 0x52bb },
{ 0xca, 0x51f0 }, { 0xc6, 0x5126 }, { 0xc2, 0x505e },
{ 0xbe, 0x4f98 }, { 0xb9, 0x4ed3 }, { 0xb5, 0x4e0f },
{ 0xb1, 0x4d4d }, { 0xae, 0x4c8d }, { 0xaa, 0x4bce },
{ 0xa6, 0x4b10 }, { 0xa3, 0x4a55 }, { 0x9f, 0x499a },
{ 0x9b, 0x48e1 }, { 0x98, 0x482a }, { 0x95, 0x4774 },
{ 0x91, 0x46c0 }, { 0x8e, 0x460d }, { 0x8b, 0x455c },
{ 0x88, 0x44ac }, { 0x85, 0x43fe }, { 0x82, 0x4352 },
{ 0x7f, 0x42a6 }, { 0x7c, 0x41fd }, { 0x7a, 0x4154 },
{ 0x77, 0x40ae }, { 0x74, 0x4008 }, { 0x72, 0x3f64 },
{ 0x6f, 0x3ec2 }, { 0x6d, 0x3e21 }, { 0x6b, 0x3d81 },
{ 0x68, 0x3ce3 }, { 0x66, 0x3c46 }, { 0x64, 0x3baa },
{ 0x61, 0x3b10 }, { 0x5f, 0x3a77 }, { 0x5d, 0x39e0 },
{ 0x5b, 0x394a }, { 0x59, 0x38b5 }, { 0x57, 0x3821 },
{ 0x55, 0x378f }, { 0x53, 0x36fe }, { 0x51, 0x366e },
{ 0x4f, 0x35e0 }, { 0x4e, 0x3553 }, { 0x4c, 0x34c7 },
{ 0x4a, 0x343c }, { 0x49, 0x33b3 }, { 0x47, 0x332b },
{ 0x45, 0x32a4 }, { 0x44, 0x321e }, { 0x42, 0x319a },
{ 0x41, 0x3116 }, { 0x3f, 0x3094 }, { 0x3e, 0x3014 },
{ 0x3c, 0x2f94 }, { 0x3b, 0x2f16 }, { 0x3a, 0x2e99 },
{ 0x38, 0x2e1d }, { 0x37, 0x2da2 }, { 0x36, 0x2d29 },
{ 0x34, 0x2cb0 }, { 0x33, 0x2c39 }, { 0x32, 0x2bc4 },
{ 0x31, 0x2b4f }, { 0x30, 0x2adc }, { 0x2f, 0x2a6a },
{ 0x2e, 0x29f9 }, { 0x2d, 0x2989 }, { 0x2c, 0x291a },
{ 0x2b, 0x28ad }, { 0x2a, 0x2841 }, { 0x29, 0x27d6 },
{ 0x28, 0x276d }, { 0x27, 0x2705 }, { 0x26, 0x269e },
{ 0x25, 0x2638 }, { 0x24, 0x25d3 }, { 0x23, 0x2570 },
{ 0x22, 0x24ad }, { 0x21, 0x244d }, { 0x20, 0x23ef },
{ 0x1f, 0x2336 }, { 0x1e, 0x22db }, { 0x1d, 0x222a },
{ 0x1c, 0x217d }, { 0x1b, 0x20d5 }, { 0x1a, 0x2083 },
{ 0x19, 0x1fe3 }, { 0x18, 0x1f94 }, { 0x17, 0x1efb },
{ 0x16, 0x1e66 }, { 0x15, 0x1dd6 }, { 0x14, 0x1d90 }
};
static int pxmlt_chrdev_read_cnr_raw(struct ptx_chrdev *chrdev, u32 *value)
{
int ret = 0;
struct pxmlt_chrdev *chrdevm = chrdev->priv;
switch (chrdev->current_system) {
case PTX_ISDB_T_SYSTEM:
{
int i, i_min, i_max;
u16 val;
ret = cxd2856er_read_cnr_raw_isdbt(&chrdevm->cxd2856er, &val);
if (ret)
break;
i_min = 0;
i_max = ARRAY_SIZE(isdbt_cn_raw_table) - 1;
if (isdbt_cn_raw_table[i_min].val >= val) {
*value = isdbt_cn_raw_table[i_min].cn;
break;
}
if (isdbt_cn_raw_table[i_max].val <= val) {
*value = isdbt_cn_raw_table[i_max].cn;
break;
}
while (1) {
i = i_min + (i_max - i_min) / 2;
if (isdbt_cn_raw_table[i].val == val) {
*value = isdbt_cn_raw_table[i].cn;
break;
}
if (isdbt_cn_raw_table[i].val < val)
i_min = i + 1;
else
i_max = i - 1;
if (i_max < i_min) {
*value = isdbt_cn_raw_table[i_max].cn;
break;
}
}
break;
}
case PTX_ISDB_S_SYSTEM:
{
int i, i_min, i_max;
u16 val;
ret = cxd2856er_read_cnr_raw_isdbs(&chrdevm->cxd2856er, &val);
if (ret)
break;
i_min = 0;
i_max = ARRAY_SIZE(isdbs_cn_raw_table) - 1;
if (isdbs_cn_raw_table[i_min].val <= val) {
*value = isdbs_cn_raw_table[i_min].cn;
break;
}
if (isdbs_cn_raw_table[i_max].val >= val) {
*value = isdbs_cn_raw_table[i_max].cn;
break;
}
while (1) {
i = i_min + (i_max - i_min) / 2;
if (isdbs_cn_raw_table[i].val == val) {
*value = isdbs_cn_raw_table[i].cn;
break;
}
if (isdbs_cn_raw_table[i].val > val)
i_min = i + 1;
else
i_max = i - 1;
if (i_max < i_min) {
*value = isdbs_cn_raw_table[i_max].cn;
break;
}
}
break;
}
default:
ret = -EINVAL;
break;
}
return ret;
}
static struct ptx_chrdev_operations pxmlt_chrdev_ops = {
.init = pxmlt_chrdev_init,
.term = pxmlt_chrdev_term,
.open = pxmlt_chrdev_open,
.release = pxmlt_chrdev_release,
.tune = pxmlt_chrdev_tune,
.check_lock = pxmlt_chrdev_check_lock,
.set_stream_id = pxmlt_chrdev_set_stream_id,
.set_lnb_voltage = pxmlt_chrdev_set_lnb_voltage,
.set_capture = pxmlt_chrdev_set_capture,
.read_signal_strength = NULL,
.read_cnr = NULL,
.read_cnr_raw = pxmlt_chrdev_read_cnr_raw
};
static const struct {
u8 i2c_addr;
u8 i2c_bus;
u8 port_number;
} pxmlt_device_params[][5] = {
/* PX-MLT5U */
{ { 0x65, 3, 4 }, { 0x6c, 1, 3 }, { 0x64, 1, 1 }, { 0x6c, 3, 2 }, { 0x64, 3, 0 } },
/* PX-MLT5PE */
{ { 0x65, 3, 0 }, { 0x6c, 1, 1 }, { 0x64, 1, 2 }, { 0x6c, 3, 3 }, { 0x64, 3, 4 } },
/* PX-MLT8PE3 */
{ { 0x65, 3, 0 }, { 0x6c, 3, 3 }, { 0x64, 3, 4 }, { 0x00, 0, 1 }, { 0x00, 0, 2 } },
/* PX-MLT8PE5 */
{ { 0x65, 1, 0 }, { 0x64, 1, 1 }, { 0x6c, 1, 2 }, { 0x6c, 3, 3 }, { 0x64, 3, 4 } },
/* ISDB6014 V2.0 (4TS) */
{ { 0x65, 3, 0 }, { 0x6c, 1, 1 }, { 0x64, 1, 2 }, { 0x64, 3, 4 }, { 0x00, 0, 3 } }
};
static int pxmlt_device_load_config(struct pxmlt_device *pxmlt,
enum pxmlt_model model,
struct ptx_chrdev_config *chrdev_config)
{
int ret = 0, i;
struct device *dev = pxmlt->dev;
struct it930x_bridge *it930x = &pxmlt->it930x;
u8 tmp;
ret = it930x_read_reg(it930x, 0x4979, &tmp);
if (ret) {
dev_err(dev,
"pxmlt_device_load_config: it930x_read_reg(0x4979) failed. (ret: %d)\n",
ret);
return ret;
} else if (!tmp) {
dev_warn(dev, "EEPROM error.\n");
return ret;
}
for (i = 0; i < pxmlt->chrdevm_num; i++) {
struct it930x_stream_input *input = &it930x->config.input[i];
struct pxmlt_chrdev *chrdevm = &pxmlt->chrdevm[i];
chrdev_config[i].system_cap = PTX_ISDB_T_SYSTEM | PTX_ISDB_S_SYSTEM;
input->enable = true;
input->is_parallel = false;
input->port_number = pxmlt_device_params[model][i].port_number;
input->slave_number = i;
input->i2c_bus = pxmlt_device_params[model][i].i2c_bus;
input->i2c_addr = pxmlt_device_params[model][i].i2c_addr;
input->packet_len = 188;
input->sync_byte = ((i + 1) << 4) | 0x07; /* 0x17 0x27 0x37 0x47 0x57 */
chrdevm->cxd2856er.dev = dev;
chrdevm->cxd2856er.i2c = &it930x->i2c_master[input->i2c_bus - 1];
chrdevm->cxd2856er.i2c_addr.slvx = input->i2c_addr + 2;
chrdevm->cxd2856er.i2c_addr.slvt = input->i2c_addr;
chrdevm->cxd2856er.config.xtal = 24000;
chrdevm->cxd2856er.config.tuner_i2c = true;
chrdevm->cxd2858er.dev = dev;
chrdevm->cxd2858er.i2c = &chrdevm->cxd2856er.i2c_master;
chrdevm->cxd2858er.i2c_addr = 0x60;
chrdevm->cxd2858er.config.xtal = 16000;
chrdevm->cxd2858er.config.ter.lna = true;
chrdevm->cxd2858er.config.sat.lna = true;
}
for (i = pxmlt->chrdevm_num; i < PXMLT_CHRDEV_MAX_NUM; i++) {
it930x->config.input[i].enable = false;
it930x->config.input[i].port_number = pxmlt_device_params[model][i].port_number;
}
return 0;
}
int pxmlt_device_init(struct pxmlt_device *pxmlt, struct device *dev,
enum pxmlt_model model,
struct ptx_chrdev_context *chrdev_ctx,
struct completion *quit_completion)
{
int ret = 0, i;
struct it930x_bridge *it930x;
struct itedtv_bus *bus;
struct ptx_chrdev_config chrdev_config[PXMLT_CHRDEV_MAX_NUM];
struct ptx_chrdev_group_config chrdev_group_config;
struct ptx_chrdev_group *chrdev_group;
struct pxmlt_stream_context *stream_ctx;
if (!pxmlt || !dev || !chrdev_ctx || !quit_completion)
return -EINVAL;
dev_dbg(dev, "pxmlt_device_init\n");
get_device(dev);
mutex_init(&pxmlt->lock);
kref_init(&pxmlt->kref);
pxmlt->dev = dev;
pxmlt->quit_completion = quit_completion;
pxmlt->open_count = 0;
pxmlt->lnb_power_count = 0;
pxmlt->streaming_count = 0;
mutex_init(&pxmlt->tuner_lock[0]);
mutex_init(&pxmlt->tuner_lock[1]);
switch (model) {
case PXMLT8PE3_MODEL:
pxmlt->chrdevm_num = 3;
break;
case ISDB6014_4TS_MODEL:
pxmlt->chrdevm_num = 4;
break;
default:
pxmlt->chrdevm_num = 5;
break;
}
for (i = 0; i < pxmlt->chrdevm_num; i++) {
struct pxmlt_chrdev *chrdevm = &pxmlt->chrdevm[i];
int tuner_lock_idx = (pxmlt_device_params[model][i].i2c_bus == 3) ? 0
: 1;
chrdevm->chrdev = NULL;
chrdevm->parent = pxmlt;
chrdevm->lnb_power = false;
chrdevm->tuner_lock = &pxmlt->tuner_lock[tuner_lock_idx];
}
stream_ctx = kzalloc(sizeof(*stream_ctx), GFP_KERNEL);
if (!stream_ctx) {
dev_err(pxmlt->dev,
"pxmlt_device_init: kzalloc(sizeof(*stream_ctx), GFP_KERNEL) failed.\n");
ret = -ENOMEM;
goto fail;
}
pxmlt->stream_ctx = stream_ctx;
it930x = &pxmlt->it930x;
bus = &it930x->bus;
ret = itedtv_bus_init(bus);
if (ret)
goto fail_bus;
ret = it930x_init(it930x);
if (ret)