diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-firmware.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-firmware.c | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/drivers/media/video/ivtv/ivtv-firmware.c b/drivers/media/video/ivtv/ivtv-firmware.c deleted file mode 100644 index 6dba55b7e25..00000000000 --- a/drivers/media/video/ivtv/ivtv-firmware.c +++ /dev/null @@ -1,273 +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 <linux/firmware.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->dev->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 preceeded 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->params.width; /* YUV source width */ - data[2] = itv->params.height; - data[3] = itv->params.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, 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); -} |