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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-firmware.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-firmware.c398
1 files changed, 0 insertions, 398 deletions
diff --git a/drivers/media/video/ivtv/ivtv-firmware.c b/drivers/media/video/ivtv/ivtv-firmware.c
deleted file mode 100644
index 02c5ade..0000000
--- a/drivers/media/video/ivtv/ivtv-firmware.c
+++ /dev/null
@@ -1,398 +0,0 @@
-/*
- 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/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 %zd)\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 (%zd 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 */
-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;
-}
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