403 строки
12 KiB
C
403 строки
12 KiB
C
/*
|
|
ivtv firmware functions.
|
|
Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
|
|
Copyright (C) 2004 Chris Kennedy <c@groovy.org>
|
|
Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "ivtv-driver.h"
|
|
#include "ivtv-mailbox.h"
|
|
#include "ivtv-firmware.h"
|
|
#include "ivtv-yuv.h"
|
|
#include "ivtv-ioctl.h"
|
|
#include "ivtv-cards.h"
|
|
#include <linux/firmware.h>
|
|
#include <media/i2c/saa7127.h>
|
|
|
|
#define IVTV_MASK_SPU_ENABLE 0xFFFFFFFE
|
|
#define IVTV_MASK_VPU_ENABLE15 0xFFFFFFF6
|
|
#define IVTV_MASK_VPU_ENABLE16 0xFFFFFFFB
|
|
#define IVTV_CMD_VDM_STOP 0x00000000
|
|
#define IVTV_CMD_AO_STOP 0x00000005
|
|
#define IVTV_CMD_APU_PING 0x00000000
|
|
#define IVTV_CMD_VPU_STOP15 0xFFFFFFFE
|
|
#define IVTV_CMD_VPU_STOP16 0xFFFFFFEE
|
|
#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
|
|
#define IVTV_CMD_SPU_STOP 0x00000001
|
|
#define IVTV_CMD_SDRAM_PRECHARGE_INIT 0x0000001A
|
|
#define IVTV_CMD_SDRAM_REFRESH_INIT 0x80000640
|
|
#define IVTV_SDRAM_SLEEPTIME 600
|
|
|
|
#define IVTV_DECODE_INIT_MPEG_FILENAME "v4l-cx2341x-init.mpg"
|
|
#define IVTV_DECODE_INIT_MPEG_SIZE (152*1024)
|
|
|
|
/* Encoder/decoder firmware sizes */
|
|
#define IVTV_FW_ENC_SIZE (376836)
|
|
#define IVTV_FW_DEC_SIZE (256*1024)
|
|
|
|
static int load_fw_direct(const char *fn, volatile u8 __iomem *mem, struct ivtv *itv, long size)
|
|
{
|
|
const struct firmware *fw = NULL;
|
|
int retries = 3;
|
|
|
|
retry:
|
|
if (retries && request_firmware(&fw, fn, &itv->pdev->dev) == 0) {
|
|
int i;
|
|
volatile u32 __iomem *dst = (volatile u32 __iomem *)mem;
|
|
const u32 *src = (const u32 *)fw->data;
|
|
|
|
if (fw->size != size) {
|
|
/* Due to race conditions in firmware loading (esp. with udev <0.95)
|
|
the wrong file was sometimes loaded. So we check filesizes to
|
|
see if at least the right-sized file was loaded. If not, then we
|
|
retry. */
|
|
IVTV_INFO("Retry: file loaded was not %s (expected size %ld, got %zu)\n", fn, size, fw->size);
|
|
release_firmware(fw);
|
|
retries--;
|
|
goto retry;
|
|
}
|
|
for (i = 0; i < fw->size; i += 4) {
|
|
/* no need for endianness conversion on the ppc */
|
|
__raw_writel(*src, dst);
|
|
dst++;
|
|
src++;
|
|
}
|
|
IVTV_INFO("Loaded %s firmware (%zu bytes)\n", fn, fw->size);
|
|
release_firmware(fw);
|
|
return size;
|
|
}
|
|
IVTV_ERR("Unable to open firmware %s (must be %ld bytes)\n", fn, size);
|
|
IVTV_ERR("Did you put the firmware in the hotplug firmware directory?\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
void ivtv_halt_firmware(struct ivtv *itv)
|
|
{
|
|
IVTV_DEBUG_INFO("Preparing for firmware halt.\n");
|
|
if (itv->has_cx23415 && itv->dec_mbox.mbox)
|
|
ivtv_vapi(itv, CX2341X_DEC_HALT_FW, 0);
|
|
if (itv->enc_mbox.mbox)
|
|
ivtv_vapi(itv, CX2341X_ENC_HALT_FW, 0);
|
|
|
|
ivtv_msleep_timeout(10, 0);
|
|
itv->enc_mbox.mbox = itv->dec_mbox.mbox = NULL;
|
|
|
|
IVTV_DEBUG_INFO("Stopping VDM\n");
|
|
write_reg(IVTV_CMD_VDM_STOP, IVTV_REG_VDM);
|
|
|
|
IVTV_DEBUG_INFO("Stopping AO\n");
|
|
write_reg(IVTV_CMD_AO_STOP, IVTV_REG_AO);
|
|
|
|
IVTV_DEBUG_INFO("pinging (?) APU\n");
|
|
write_reg(IVTV_CMD_APU_PING, IVTV_REG_APU);
|
|
|
|
IVTV_DEBUG_INFO("Stopping VPU\n");
|
|
if (!itv->has_cx23415)
|
|
write_reg(IVTV_CMD_VPU_STOP16, IVTV_REG_VPU);
|
|
else
|
|
write_reg(IVTV_CMD_VPU_STOP15, IVTV_REG_VPU);
|
|
|
|
IVTV_DEBUG_INFO("Resetting Hw Blocks\n");
|
|
write_reg(IVTV_CMD_HW_BLOCKS_RST, IVTV_REG_HW_BLOCKS);
|
|
|
|
IVTV_DEBUG_INFO("Stopping SPU\n");
|
|
write_reg(IVTV_CMD_SPU_STOP, IVTV_REG_SPU);
|
|
|
|
ivtv_msleep_timeout(10, 0);
|
|
|
|
IVTV_DEBUG_INFO("init Encoder SDRAM pre-charge\n");
|
|
write_reg(IVTV_CMD_SDRAM_PRECHARGE_INIT, IVTV_REG_ENC_SDRAM_PRECHARGE);
|
|
|
|
IVTV_DEBUG_INFO("init Encoder SDRAM refresh to 1us\n");
|
|
write_reg(IVTV_CMD_SDRAM_REFRESH_INIT, IVTV_REG_ENC_SDRAM_REFRESH);
|
|
|
|
if (itv->has_cx23415) {
|
|
IVTV_DEBUG_INFO("init Decoder SDRAM pre-charge\n");
|
|
write_reg(IVTV_CMD_SDRAM_PRECHARGE_INIT, IVTV_REG_DEC_SDRAM_PRECHARGE);
|
|
|
|
IVTV_DEBUG_INFO("init Decoder SDRAM refresh to 1us\n");
|
|
write_reg(IVTV_CMD_SDRAM_REFRESH_INIT, IVTV_REG_DEC_SDRAM_REFRESH);
|
|
}
|
|
|
|
IVTV_DEBUG_INFO("Sleeping for %dms\n", IVTV_SDRAM_SLEEPTIME);
|
|
ivtv_msleep_timeout(IVTV_SDRAM_SLEEPTIME, 0);
|
|
}
|
|
|
|
void ivtv_firmware_versions(struct ivtv *itv)
|
|
{
|
|
u32 data[CX2341X_MBOX_MAX_DATA];
|
|
|
|
/* Encoder */
|
|
ivtv_vapi_result(itv, data, CX2341X_ENC_GET_VERSION, 0);
|
|
IVTV_INFO("Encoder revision: 0x%08x\n", data[0]);
|
|
|
|
if (data[0] != 0x02060039)
|
|
IVTV_WARN("Recommended firmware version is 0x02060039.\n");
|
|
|
|
if (itv->has_cx23415) {
|
|
/* Decoder */
|
|
ivtv_vapi_result(itv, data, CX2341X_DEC_GET_VERSION, 0);
|
|
IVTV_INFO("Decoder revision: 0x%08x\n", data[0]);
|
|
}
|
|
}
|
|
|
|
static int ivtv_firmware_copy(struct ivtv *itv)
|
|
{
|
|
IVTV_DEBUG_INFO("Loading encoder image\n");
|
|
if (load_fw_direct(CX2341X_FIRM_ENC_FILENAME,
|
|
itv->enc_mem, itv, IVTV_FW_ENC_SIZE) != IVTV_FW_ENC_SIZE) {
|
|
IVTV_DEBUG_WARN("failed loading encoder firmware\n");
|
|
return -3;
|
|
}
|
|
if (!itv->has_cx23415)
|
|
return 0;
|
|
|
|
IVTV_DEBUG_INFO("Loading decoder image\n");
|
|
if (load_fw_direct(CX2341X_FIRM_DEC_FILENAME,
|
|
itv->dec_mem, itv, IVTV_FW_DEC_SIZE) != IVTV_FW_DEC_SIZE) {
|
|
IVTV_DEBUG_WARN("failed loading decoder firmware\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static volatile struct ivtv_mailbox __iomem *ivtv_search_mailbox(const volatile u8 __iomem *mem, u32 size)
|
|
{
|
|
int i;
|
|
|
|
/* mailbox is preceded by a 16 byte 'magic cookie' starting at a 256-byte
|
|
address boundary */
|
|
for (i = 0; i < size; i += 0x100) {
|
|
if (readl(mem + i) == 0x12345678 &&
|
|
readl(mem + i + 4) == 0x34567812 &&
|
|
readl(mem + i + 8) == 0x56781234 &&
|
|
readl(mem + i + 12) == 0x78123456) {
|
|
return (volatile struct ivtv_mailbox __iomem *)(mem + i + 16);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int ivtv_firmware_init(struct ivtv *itv)
|
|
{
|
|
int err;
|
|
|
|
ivtv_halt_firmware(itv);
|
|
|
|
/* load firmware */
|
|
err = ivtv_firmware_copy(itv);
|
|
if (err) {
|
|
IVTV_DEBUG_WARN("Error %d loading firmware\n", err);
|
|
return err;
|
|
}
|
|
|
|
/* start firmware */
|
|
write_reg(read_reg(IVTV_REG_SPU) & IVTV_MASK_SPU_ENABLE, IVTV_REG_SPU);
|
|
ivtv_msleep_timeout(100, 0);
|
|
if (itv->has_cx23415)
|
|
write_reg(read_reg(IVTV_REG_VPU) & IVTV_MASK_VPU_ENABLE15, IVTV_REG_VPU);
|
|
else
|
|
write_reg(read_reg(IVTV_REG_VPU) & IVTV_MASK_VPU_ENABLE16, IVTV_REG_VPU);
|
|
ivtv_msleep_timeout(100, 0);
|
|
|
|
/* find mailboxes and ping firmware */
|
|
itv->enc_mbox.mbox = ivtv_search_mailbox(itv->enc_mem, IVTV_ENCODER_SIZE);
|
|
if (itv->enc_mbox.mbox == NULL)
|
|
IVTV_ERR("Encoder mailbox not found\n");
|
|
else if (ivtv_vapi(itv, CX2341X_ENC_PING_FW, 0)) {
|
|
IVTV_ERR("Encoder firmware dead!\n");
|
|
itv->enc_mbox.mbox = NULL;
|
|
}
|
|
if (itv->enc_mbox.mbox == NULL)
|
|
return -ENODEV;
|
|
|
|
if (!itv->has_cx23415)
|
|
return 0;
|
|
|
|
itv->dec_mbox.mbox = ivtv_search_mailbox(itv->dec_mem, IVTV_DECODER_SIZE);
|
|
if (itv->dec_mbox.mbox == NULL) {
|
|
IVTV_ERR("Decoder mailbox not found\n");
|
|
} else if (itv->has_cx23415 && ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0)) {
|
|
IVTV_ERR("Decoder firmware dead!\n");
|
|
itv->dec_mbox.mbox = NULL;
|
|
} else {
|
|
/* Firmware okay, so check yuv output filter table */
|
|
ivtv_yuv_filter_check(itv);
|
|
}
|
|
return itv->dec_mbox.mbox ? 0 : -ENODEV;
|
|
}
|
|
|
|
void ivtv_init_mpeg_decoder(struct ivtv *itv)
|
|
{
|
|
u32 data[CX2341X_MBOX_MAX_DATA];
|
|
long readbytes;
|
|
volatile u8 __iomem *mem_offset;
|
|
|
|
data[0] = 0;
|
|
data[1] = itv->cxhdl.width; /* YUV source width */
|
|
data[2] = itv->cxhdl.height;
|
|
data[3] = itv->cxhdl.audio_properties; /* Audio settings to use,
|
|
bitmap. see docs. */
|
|
if (ivtv_api(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, data)) {
|
|
IVTV_ERR("ivtv_init_mpeg_decoder failed to set decoder source\n");
|
|
return;
|
|
}
|
|
|
|
if (ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, 0, 1) != 0) {
|
|
IVTV_ERR("ivtv_init_mpeg_decoder failed to start playback\n");
|
|
return;
|
|
}
|
|
ivtv_api_get_data(&itv->dec_mbox, IVTV_MBOX_DMA, 2, data);
|
|
mem_offset = itv->dec_mem + data[1];
|
|
|
|
if ((readbytes = load_fw_direct(IVTV_DECODE_INIT_MPEG_FILENAME,
|
|
mem_offset, itv, IVTV_DECODE_INIT_MPEG_SIZE)) <= 0) {
|
|
IVTV_DEBUG_WARN("failed to read mpeg decoder initialisation file %s\n",
|
|
IVTV_DECODE_INIT_MPEG_FILENAME);
|
|
} else {
|
|
ivtv_vapi(itv, CX2341X_DEC_SCHED_DMA_FROM_HOST, 3, 0, readbytes, 0);
|
|
ivtv_msleep_timeout(100, 0);
|
|
}
|
|
ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 4, 0, 0, 0, 1);
|
|
}
|
|
|
|
/* Try to restart the card & restore previous settings */
|
|
static int ivtv_firmware_restart(struct ivtv *itv)
|
|
{
|
|
int rc = 0;
|
|
v4l2_std_id std;
|
|
|
|
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
|
|
/* Display test image during restart */
|
|
ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing,
|
|
SAA7127_INPUT_TYPE_TEST_IMAGE,
|
|
itv->card->video_outputs[itv->active_output].video_output,
|
|
0);
|
|
|
|
mutex_lock(&itv->udma.lock);
|
|
|
|
rc = ivtv_firmware_init(itv);
|
|
if (rc) {
|
|
mutex_unlock(&itv->udma.lock);
|
|
return rc;
|
|
}
|
|
|
|
/* Allow settings to reload */
|
|
ivtv_mailbox_cache_invalidate(itv);
|
|
|
|
/* Restore encoder video standard */
|
|
std = itv->std;
|
|
itv->std = 0;
|
|
ivtv_s_std_enc(itv, std);
|
|
|
|
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
|
|
ivtv_init_mpeg_decoder(itv);
|
|
|
|
/* Restore decoder video standard */
|
|
std = itv->std_out;
|
|
itv->std_out = 0;
|
|
ivtv_s_std_dec(itv, std);
|
|
|
|
/* Restore framebuffer if active */
|
|
if (itv->ivtvfb_restore)
|
|
itv->ivtvfb_restore(itv);
|
|
|
|
/* Restore alpha settings */
|
|
ivtv_set_osd_alpha(itv);
|
|
|
|
/* Restore normal output */
|
|
ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing,
|
|
SAA7127_INPUT_TYPE_NORMAL,
|
|
itv->card->video_outputs[itv->active_output].video_output,
|
|
0);
|
|
}
|
|
|
|
mutex_unlock(&itv->udma.lock);
|
|
return rc;
|
|
}
|
|
|
|
/* Check firmware running state. The checks fall through
|
|
allowing multiple failures to be logged. */
|
|
int ivtv_firmware_check(struct ivtv *itv, char *where)
|
|
{
|
|
int res = 0;
|
|
|
|
/* Check encoder is still running */
|
|
if (ivtv_vapi(itv, CX2341X_ENC_PING_FW, 0) < 0) {
|
|
IVTV_WARN("Encoder has died : %s\n", where);
|
|
res = -1;
|
|
}
|
|
|
|
/* Also check audio. Only check if not in use & encoder is okay */
|
|
if (!res && !atomic_read(&itv->capturing) &&
|
|
(!atomic_read(&itv->decoding) ||
|
|
(atomic_read(&itv->decoding) < 2 && test_bit(IVTV_F_I_DEC_YUV,
|
|
&itv->i_flags)))) {
|
|
|
|
if (ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12) < 0) {
|
|
IVTV_WARN("Audio has died (Encoder OK) : %s\n", where);
|
|
res = -2;
|
|
}
|
|
}
|
|
|
|
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
|
|
/* Second audio check. Skip if audio already failed */
|
|
if (res != -2 && read_dec(0x100) != read_dec(0x104)) {
|
|
/* Wait & try again to be certain. */
|
|
ivtv_msleep_timeout(14, 0);
|
|
if (read_dec(0x100) != read_dec(0x104)) {
|
|
IVTV_WARN("Audio has died (Decoder) : %s\n",
|
|
where);
|
|
res = -1;
|
|
}
|
|
}
|
|
|
|
/* Check decoder is still running */
|
|
if (ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0) < 0) {
|
|
IVTV_WARN("Decoder has died : %s\n", where);
|
|
res = -1;
|
|
}
|
|
}
|
|
|
|
/* If something failed & currently idle, try to reload */
|
|
if (res && !atomic_read(&itv->capturing) &&
|
|
!atomic_read(&itv->decoding)) {
|
|
IVTV_INFO("Detected in %s that firmware had failed - Reloading\n",
|
|
where);
|
|
res = ivtv_firmware_restart(itv);
|
|
/*
|
|
* Even if restarted ok, still signal a problem had occurred.
|
|
* The caller can come through this function again to check
|
|
* if things are really ok after the restart.
|
|
*/
|
|
if (!res) {
|
|
IVTV_INFO("Firmware restart okay\n");
|
|
res = -EAGAIN;
|
|
} else {
|
|
IVTV_INFO("Firmware restart failed\n");
|
|
}
|
|
} else if (res) {
|
|
res = -EIO;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
MODULE_FIRMWARE(CX2341X_FIRM_ENC_FILENAME);
|
|
MODULE_FIRMWARE(CX2341X_FIRM_DEC_FILENAME);
|
|
MODULE_FIRMWARE(IVTV_DECODE_INIT_MPEG_FILENAME);
|