diff options
Diffstat (limited to 'drivers/media/pci/tw5864')
| -rw-r--r-- | drivers/media/pci/tw5864/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/media/pci/tw5864/Makefile | 3 | ||||
| -rw-r--r-- | drivers/media/pci/tw5864/tw5864-core.c | 359 | ||||
| -rw-r--r-- | drivers/media/pci/tw5864/tw5864-h264.c | 259 | ||||
| -rw-r--r-- | drivers/media/pci/tw5864/tw5864-reg.h | 2133 | ||||
| -rw-r--r-- | drivers/media/pci/tw5864/tw5864-util.c | 37 | ||||
| -rw-r--r-- | drivers/media/pci/tw5864/tw5864-video.c | 1510 | ||||
| -rw-r--r-- | drivers/media/pci/tw5864/tw5864.h | 205 |
8 files changed, 4518 insertions, 0 deletions
diff --git a/drivers/media/pci/tw5864/Kconfig b/drivers/media/pci/tw5864/Kconfig new file mode 100644 index 000000000000..87c8f327e2d4 --- /dev/null +++ b/drivers/media/pci/tw5864/Kconfig @@ -0,0 +1,12 @@ +config VIDEO_TW5864 + tristate "Techwell TW5864 video/audio grabber and encoder" + depends on VIDEO_DEV && PCI && VIDEO_V4L2 + depends on HAS_DMA + select VIDEOBUF2_DMA_CONTIG + ---help--- + Support for boards based on Techwell TW5864 chip which provides + multichannel video & audio grabbing and encoding (H.264, MJPEG, + ADPCM G.726). + + To compile this driver as a module, choose M here: the + module will be called tw5864. diff --git a/drivers/media/pci/tw5864/Makefile b/drivers/media/pci/tw5864/Makefile new file mode 100644 index 000000000000..4fc8b3b1a45a --- /dev/null +++ b/drivers/media/pci/tw5864/Makefile @@ -0,0 +1,3 @@ +tw5864-objs := tw5864-core.o tw5864-video.o tw5864-h264.o tw5864-util.o + +obj-$(CONFIG_VIDEO_TW5864) += tw5864.o diff --git a/drivers/media/pci/tw5864/tw5864-core.c b/drivers/media/pci/tw5864/tw5864-core.c new file mode 100644 index 000000000000..1d43b96958ea --- /dev/null +++ b/drivers/media/pci/tw5864/tw5864-core.c @@ -0,0 +1,359 @@ +/* + * TW5864 driver - core functions + * + * Copyright (C) 2016 Bluecherry, LLC <maintainers@bluecherrydvr.com> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/kmod.h> +#include <linux/sound.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/pm.h> +#include <linux/pci_ids.h> +#include <linux/jiffies.h> +#include <asm/dma.h> +#include <media/v4l2-dev.h> + +#include "tw5864.h" +#include "tw5864-reg.h" + +MODULE_DESCRIPTION("V4L2 driver module for tw5864-based multimedia capture & encoding devices"); +MODULE_AUTHOR("Bluecherry Maintainers <maintainers@bluecherrydvr.com>"); +MODULE_AUTHOR("Andrey Utkin <andrey.utkin@corp.bluecherry.net>"); +MODULE_LICENSE("GPL"); + +/* + * BEWARE OF KNOWN ISSUES WITH VIDEO QUALITY + * + * This driver was developed by Bluecherry LLC by deducing behaviour of + * original manufacturer's driver, from both source code and execution traces. + * It is known that there are some artifacts on output video with this driver: + * - on all known hardware samples: random pixels of wrong color (mostly + * white, red or blue) appearing and disappearing on sequences of P-frames; + * - on some hardware samples (known with H.264 core version e006:2800): + * total madness on P-frames: blocks of wrong luminance; blocks of wrong + * colors "creeping" across the picture. + * There is a workaround for both issues: avoid P-frames by setting GOP size + * to 1. To do that, run this command on device files created by this driver: + * + * v4l2-ctl --device /dev/videoX --set-ctrl=video_gop_size=1 + * + * These issues are not decoding errors; all produced H.264 streams are decoded + * properly. Streams without P-frames don't have these artifacts so it's not + * analog-to-digital conversion issues nor internal memory errors; we conclude + * it's internal H.264 encoder issues. + * We cannot even check the original driver's behaviour because it has never + * worked properly at all in our development environment. So these issues may + * be actually related to firmware or hardware. However it may be that there's + * just some more register settings missing in the driver which would please + * the hardware. + * Manufacturer didn't help much on our inquiries, but feel free to disturb + * again the support of Intersil (owner of former Techwell). + */ + +/* take first free /dev/videoX indexes by default */ +static unsigned int video_nr[] = {[0 ... (TW5864_INPUTS - 1)] = -1 }; + +module_param_array(video_nr, int, NULL, 0444); +MODULE_PARM_DESC(video_nr, "video devices numbers array"); + +/* + * Please add any new PCI IDs to: http://pci-ids.ucw.cz. This keeps + * the PCI ID database up to date. Note that the entries must be + * added under vendor 0x1797 (Techwell Inc.) as subsystem IDs. + */ +static const struct pci_device_id tw5864_pci_tbl[] = { + {PCI_DEVICE(PCI_VENDOR_ID_TECHWELL, PCI_DEVICE_ID_TECHWELL_5864)}, + {0,} +}; + +void tw5864_irqmask_apply(struct tw5864_dev *dev) +{ + tw_writel(TW5864_INTR_ENABLE_L, dev->irqmask & 0xffff); + tw_writel(TW5864_INTR_ENABLE_H, (dev->irqmask >> 16)); +} + +static void tw5864_interrupts_disable(struct tw5864_dev *dev) +{ + unsigned long flags; + + spin_lock_irqsave(&dev->slock, flags); + dev->irqmask = 0; + tw5864_irqmask_apply(dev); + spin_unlock_irqrestore(&dev->slock, flags); +} + +static void tw5864_timer_isr(struct tw5864_dev *dev); +static void tw5864_h264_isr(struct tw5864_dev *dev); + +static irqreturn_t tw5864_isr(int irq, void *dev_id) +{ + struct tw5864_dev *dev = dev_id; + u32 status; + + status = tw_readl(TW5864_INTR_STATUS_L) | + tw_readl(TW5864_INTR_STATUS_H) << 16; + if (!status) + return IRQ_NONE; + + tw_writel(TW5864_INTR_CLR_L, 0xffff); + tw_writel(TW5864_INTR_CLR_H, 0xffff); + + if (status & TW5864_INTR_VLC_DONE) + tw5864_h264_isr(dev); + + if (status & TW5864_INTR_TIMER) + tw5864_timer_isr(dev); + + if (!(status & (TW5864_INTR_TIMER | TW5864_INTR_VLC_DONE))) { + dev_dbg(&dev->pci->dev, "Unknown interrupt, status 0x%08X\n", + status); + } + + return IRQ_HANDLED; +} + +static void tw5864_h264_isr(struct tw5864_dev *dev) +{ + int channel = tw_readl(TW5864_DSP) & TW5864_DSP_ENC_CHN; + struct tw5864_input *input = &dev->inputs[channel]; + int cur_frame_index, next_frame_index; + struct tw5864_h264_frame *cur_frame, *next_frame; + unsigned long flags; + + spin_lock_irqsave(&dev->slock, flags); + + cur_frame_index = dev->h264_buf_w_index; + next_frame_index = (cur_frame_index + 1) % H264_BUF_CNT; + cur_frame = &dev->h264_buf[cur_frame_index]; + next_frame = &dev->h264_buf[next_frame_index]; + + if (next_frame_index != dev->h264_buf_r_index) { + cur_frame->vlc_len = tw_readl(TW5864_VLC_LENGTH) << 2; + cur_frame->checksum = tw_readl(TW5864_VLC_CRC_REG); + cur_frame->input = input; + cur_frame->timestamp = ktime_get_ns(); + cur_frame->seqno = input->frame_seqno; + cur_frame->gop_seqno = input->frame_gop_seqno; + + dev->h264_buf_w_index = next_frame_index; + tasklet_schedule(&dev->tasklet); + + cur_frame = next_frame; + + spin_lock(&input->slock); + input->frame_seqno++; + input->frame_gop_seqno++; + if (input->frame_gop_seqno >= input->gop) + input->frame_gop_seqno = 0; + spin_unlock(&input->slock); + } else { + dev_err(&dev->pci->dev, + "Skipped frame on input %d because all buffers busy\n", + channel); + } + + dev->encoder_busy = 0; + + spin_unlock_irqrestore(&dev->slock, flags); + + tw_writel(TW5864_VLC_STREAM_BASE_ADDR, cur_frame->vlc.dma_addr); + tw_writel(TW5864_MV_STREAM_BASE_ADDR, cur_frame->mv.dma_addr); + + /* Additional ack for this interrupt */ + tw_writel(TW5864_VLC_DSP_INTR, 0x00000001); + tw_writel(TW5864_PCI_INTR_STATUS, TW5864_VLC_DONE_INTR); +} + +static void tw5864_input_deadline_update(struct tw5864_input *input) +{ + input->new_frame_deadline = jiffies + msecs_to_jiffies(1000); +} + +static void tw5864_timer_isr(struct tw5864_dev *dev) +{ + unsigned long flags; + int i; + int encoder_busy; + + /* Additional ack for this interrupt */ + tw_writel(TW5864_PCI_INTR_STATUS, TW5864_TIMER_INTR); + + spin_lock_irqsave(&dev->slock, flags); + encoder_busy = dev->encoder_busy; + spin_unlock_irqrestore(&dev->slock, flags); + + if (encoder_busy) + return; + + /* + * Traversing inputs in round-robin fashion, starting from next to the + * last processed one + */ + for (i = 0; i < TW5864_INPUTS; i++) { + int next_input = (i + dev->next_input) % TW5864_INPUTS; + struct tw5864_input *input = &dev->inputs[next_input]; + int raw_buf_id; /* id of internal buf with last raw frame */ + + spin_lock_irqsave(&input->slock, flags); + if (!input->enabled) + goto next; + + /* Check if new raw frame is available */ + raw_buf_id = tw_mask_shift_readl(TW5864_SENIF_ORG_FRM_PTR1, 0x3, + 2 * input->nr); + + if (input->buf_id != raw_buf_id) { + input->buf_id = raw_buf_id; + tw5864_input_deadline_update(input); + spin_unlock_irqrestore(&input->slock, flags); + + spin_lock_irqsave(&dev->slock, flags); + dev->encoder_busy = 1; + dev->next_input = (next_input + 1) % TW5864_INPUTS; + spin_unlock_irqrestore(&dev->slock, flags); + + tw5864_request_encoded_frame(input); + break; + } + + /* No new raw frame; check if channel is stuck */ + if (time_is_after_jiffies(input->new_frame_deadline)) { + /* If stuck, request new raw frames again */ + tw_mask_shift_writel(TW5864_ENC_BUF_PTR_REC1, 0x3, + 2 * input->nr, input->buf_id + 3); + tw5864_input_deadline_update(input); + } +next: + spin_unlock_irqrestore(&input->slock, flags); + } +} + +static int tw5864_initdev(struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) +{ + struct tw5864_dev *dev; + int err; + + dev = devm_kzalloc(&pci_dev->dev, sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + snprintf(dev->name, sizeof(dev->name), "tw5864:%s", pci_name(pci_dev)); + + err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); + if (err) + return err; + + /* pci init */ + dev->pci = pci_dev; + err = pci_enable_device(pci_dev); + if (err) { + dev_err(&dev->pci->dev, "pci_enable_device() failed\n"); + goto unreg_v4l2; + } + + pci_set_master(pci_dev); + + err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); + if (err) { + dev_err(&dev->pci->dev, "32 bit PCI DMA is not supported\n"); + goto disable_pci; + } + + /* get mmio */ + err = pci_request_regions(pci_dev, dev->name); + if (err) { + dev_err(&dev->pci->dev, "Cannot request regions for MMIO\n"); + goto disable_pci; + } + dev->mmio = pci_ioremap_bar(pci_dev, 0); + if (!dev->mmio) { + err = -EIO; + dev_err(&dev->pci->dev, "can't ioremap() MMIO memory\n"); + goto release_mmio; + } + + spin_lock_init(&dev->slock); + + dev_info(&pci_dev->dev, "TW5864 hardware version: %04x\n", + tw_readl(TW5864_HW_VERSION)); + dev_info(&pci_dev->dev, "TW5864 H.264 core version: %04x:%04x\n", + tw_readl(TW5864_H264REV), + tw_readl(TW5864_UNDECLARED_H264REV_PART2)); + + err = tw5864_video_init(dev, video_nr); + if (err) + goto unmap_mmio; + + /* get irq */ + err = devm_request_irq(&pci_dev->dev, pci_dev->irq, tw5864_isr, + IRQF_SHARED, "tw5864", dev); + if (err < 0) { + dev_err(&dev->pci->dev, "can't get IRQ %d\n", pci_dev->irq); + goto fini_video; + } + + dev_info(&pci_dev->dev, "Note: there are known video quality issues. For details\n"); + dev_info(&pci_dev->dev, "see the comment in drivers/media/pci/tw5864/tw5864-core.c.\n"); + + return 0; + +fini_video: + tw5864_video_fini(dev); +unmap_mmio: + iounmap(dev->mmio); +release_mmio: + pci_release_regions(pci_dev); +disable_pci: + pci_disable_device(pci_dev); +unreg_v4l2: + v4l2_device_unregister(&dev->v4l2_dev); + return err; +} + +static void tw5864_finidev(struct pci_dev *pci_dev) +{ + struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct tw5864_dev *dev = + container_of(v4l2_dev, struct tw5864_dev, v4l2_dev); + + /* shutdown subsystems */ + tw5864_interrupts_disable(dev); + + /* unregister */ + tw5864_video_fini(dev); + + /* release resources */ + iounmap(dev->mmio); + release_mem_region(pci_resource_start(pci_dev, 0), + pci_resource_len(pci_dev, 0)); + + v4l2_device_unregister(&dev->v4l2_dev); + devm_kfree(&pci_dev->dev, dev); +} + +static struct pci_driver tw5864_pci_driver = { + .name = "tw5864", + .id_table = tw5864_pci_tbl, + .probe = tw5864_initdev, + .remove = tw5864_finidev, +}; + +module_pci_driver(tw5864_pci_driver); diff --git a/drivers/media/pci/tw5864/tw5864-h264.c b/drivers/media/pci/tw5864/tw5864-h264.c new file mode 100644 index 000000000000..330d200f52cd --- /dev/null +++ b/drivers/media/pci/tw5864/tw5864-h264.c @@ -0,0 +1,259 @@ +/* + * TW5864 driver - H.264 headers generation functions + * + * Copyright (C) 2016 Bluecherry, LLC <maintainers@bluecherrydvr.com> + * + * 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. + */ + +#include <linux/log2.h> + +#include "tw5864.h" + +static u8 marker[] = { 0x00, 0x00, 0x00, 0x01 }; + +/* + * Exponential-Golomb coding functions + * + * These functions are used for generation of H.264 bitstream headers. + * + * This code is derived from tw5864 reference driver by manufacturers, which + * itself apparently was derived from x264 project. + */ + +/* Bitstream writing context */ +struct bs { + u8 *buf; /* pointer to buffer beginning */ + u8 *buf_end; /* pointer to buffer end */ + u8 *ptr; /* pointer to current byte in buffer */ + unsigned int bits_left; /* number of available bits in current byte */ +}; + +static void bs_init(struct bs *s, void *buf, int size) +{ + s->buf = buf; + s->ptr = buf; + s->buf_end = s->ptr + size; + s->bits_left = 8; +} + +static int bs_len(struct bs *s) +{ + return s->ptr - s->buf; +} + +static void bs_write(struct bs *s, int count, u32 bits) +{ + if (s->ptr >= s->buf_end - 4) + return; + while (count > 0) { + if (count < 32) + bits &= (1 << count) - 1; + if (count < s->bits_left) { + *s->ptr = (*s->ptr << count) | bits; + s->bits_left -= count; + break; + } + *s->ptr = (*s->ptr << s->bits_left) | + (bits >> (count - s->bits_left)); + count -= s->bits_left; + s->ptr++; + s->bits_left = 8; + } +} + +static void bs_write1(struct bs *s, u32 bit) +{ + if (s->ptr < s->buf_end) { + *s->ptr <<= 1; + *s->ptr |= bit; + s->bits_left--; + if (s->bits_left == 0) { + s->ptr++; + s->bits_left = 8; + } + } +} + +static void bs_write_ue(struct bs *s, u32 val) +{ + if (val == 0) { + bs_write1(s, 1); + } else { + val++; + bs_write(s, 2 * fls(val) - 1, val); + } +} + +static void bs_write_se(struct bs *s, int val) +{ + bs_write_ue(s, val <= 0 ? -val * 2 : val * 2 - 1); +} + +static void bs_rbsp_trailing(struct bs *s) +{ + bs_write1(s, 1); + if (s->bits_left != 8) + bs_write(s, s->bits_left, 0x00); +} + +/* H.264 headers generation functions */ + +static int tw5864_h264_gen_sps_rbsp(u8 *buf, size_t size, int width, int height) +{ + struct bs bs, *s; + + s = &bs; + bs_init(s, buf, size); + bs_write(s, 8, 0x42); /* profile_idc, baseline */ + bs_write(s, 1, 1); /* constraint_set0_flag */ + bs_write(s, 1, 1); /* constraint_set1_flag */ + bs_write(s, 1, 0); /* constraint_set2_flag */ + bs_write(s, 5, 0); /* reserved_zero_5bits */ + bs_write(s, 8, 0x1e); /* level_idc */ + bs_write_ue(s, 0); /* seq_parameter_set_id */ + bs_write_ue(s, ilog2(MAX_GOP_SIZE) - 4); /* log2_max_frame_num_minus4 */ + bs_write_ue(s, 0); /* pic_order_cnt_type */ + /* log2_max_pic_order_cnt_lsb_minus4 */ + bs_write_ue(s, ilog2(MAX_GOP_SIZE) - 4); + bs_write_ue(s, 1); /* num_ref_frames */ + bs_write(s, 1, 0); /* gaps_in_frame_num_value_allowed_flag */ + bs_write_ue(s, width / 16 - 1); /* pic_width_in_mbs_minus1 */ + bs_write_ue(s, height / 16 - 1); /* pic_height_in_map_units_minus1 */ + bs_write(s, 1, 1); /* frame_mbs_only_flag */ + bs_write(s, 1, 0); /* direct_8x8_inference_flag */ + bs_write(s, 1, 0); /* frame_cropping_flag */ + bs_write(s, 1, 0); /* vui_parameters_present_flag */ + bs_rbsp_trailing(s); + return bs_len(s); +} + +static int tw5864_h264_gen_pps_rbsp(u8 *buf, size_t size, int qp) +{ + struct bs bs, *s; + + s = &bs; + bs_init(s, buf, size); + bs_write_ue(s, 0); /* pic_parameter_set_id */ + bs_write_ue(s, 0); /* seq_parameter_set_id */ + bs_write(s, 1, 0); /* entropy_coding_mode_flag */ + bs_write(s, 1, 0); /* pic_order_present_flag */ + bs_write_ue(s, 0); /* num_slice_groups_minus1 */ + bs_write_ue(s, 0); /* i_num_ref_idx_l0_active_minus1 */ + bs_write_ue(s, 0); /* i_num_ref_idx_l1_active_minus1 */ + bs_write(s, 1, 0); /* weighted_pred_flag */ + bs_write(s, 2, 0); /* weighted_bipred_idc */ + bs_write_se(s, qp - 26); /* pic_init_qp_minus26 */ + bs_write_se(s, qp - 26); /* pic_init_qs_minus26 */ + bs_write_se(s, 0); /* chroma_qp_index_offset */ + bs_write(s, 1, 0); /* deblocking_filter_control_present_flag */ + bs_write(s, 1, 0); /* constrained_intra_pred_flag */ + bs_write(s, 1, 0); /* redundant_pic_cnt_present_flag */ + bs_rbsp_trailing(s); + return bs_len(s); +} + +static int tw5864_h264_gen_slice_head(u8 *buf, size_t size, + unsigned int idr_pic_id, + unsigned int frame_gop_seqno, + int *tail_nb_bits, u8 *tail) +{ + struct bs bs, *s; + int is_i_frame = frame_gop_seqno == 0; + + s = &bs; + bs_init(s, buf, size); + bs_write_ue(s, 0); /* first_mb_in_slice */ + bs_write_ue(s, is_i_frame ? 2 : 5); /* slice_type - I or P */ + bs_write_ue(s, 0); /* pic_parameter_set_id */ + bs_write(s, ilog2(MAX_GOP_SIZE), frame_gop_seqno); /* frame_num */ + if (is_i_frame) + bs_write_ue(s, idr_pic_id); + + /* pic_order_cnt_lsb */ + bs_write(s, ilog2(MAX_GOP_SIZE), frame_gop_seqno); + + if (is_i_frame) { + bs_write1(s, 0); /* no_output_of_prior_pics_flag */ + bs_write1(s, 0); /* long_term_reference_flag */ + } else { + bs_write1(s, 0); /* num_ref_idx_active_override_flag */ + bs_write1(s, 0); /* ref_pic_list_reordering_flag_l0 */ + bs_write1(s, 0); /* adaptive_ref_pic_marking_mode_flag */ + } + + bs_write_se(s, 0); /* slice_qp_delta */ + + if (s->bits_left != 8) { + *tail = ((s->ptr[0]) << s->bits_left); + *tail_nb_bits = 8 - s->bits_left; + } else { + *tail = 0; + *tail_nb_bits = 0; + } + + return bs_len(s); +} + +void tw5864_h264_put_stream_header(u8 **buf, size_t *space_left, int qp, + int width, int height) +{ + int nal_len; + + /* SPS */ + memcpy(*buf, marker, sizeof(marker)); + *buf += 4; + *space_left -= 4; + + **buf = 0x67; /* SPS NAL header */ + *buf += 1; + *space_left -= 1; + + nal_len = tw5864_h264_gen_sps_rbsp(*buf, *space_left, width, height); + *buf += nal_len; + *space_left -= nal_len; + + /* PPS */ + memcpy(*buf, marker, sizeof(marker)); + *buf += 4; + *space_left -= 4; + + **buf = 0x68; /* PPS NAL header */ + *buf += 1; + *space_left -= 1; + + nal_len = tw5864_h264_gen_pps_rbsp(*buf, *space_left, qp); + *buf += nal_len; + *space_left -= nal_len; +} + +void tw5864_h264_put_slice_header(u8 **buf, size_t *space_left, + unsigned int idr_pic_id, + unsigned int frame_gop_seqno, + int *tail_nb_bits, u8 *tail) +{ + int nal_len; + + memcpy(*buf, marker, sizeof(marker)); + *buf += 4; + *space_left -= 4; + + /* Frame NAL header */ + **buf = (frame_gop_seqno == 0) ? 0x25 : 0x21; + *buf += 1; + *space_left -= 1; + + nal_len = tw5864_h264_gen_slice_head(*buf, *space_left, idr_pic_id, + frame_gop_seqno, tail_nb_bits, + tail); + *buf += nal_len; + *space_left -= nal_len; +} diff --git a/drivers/media/pci/tw5864/tw5864-reg.h b/drivers/media/pci/tw5864/tw5864-reg.h new file mode 100644 index 000000000000..92a1b077ef8a --- /dev/null +++ b/drivers/media/pci/tw5864/tw5864-reg.h @@ -0,0 +1,2133 @@ +/* + * TW5864 driver - registers description + * + * Copyright (C) 2016 Bluecherry, LLC <maintainers@bluecherrydvr.com> + * + * 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. + */ + +/* According to TW5864_datasheet_0.6d.pdf, tw5864b1-ds.pdf */ + +/* Register Description - Direct Map Space */ +/* 0x0000 ~ 0x1ffc - H264 Register Map */ +/* [15:0] The Version register for H264 core (Read Only) */ +#define TW5864_H264REV 0x0000 + +#define TW5864_EMU 0x0004 +/* Define controls in register TW5864_EMU */ +/* DDR controller enabled */ +#define TW5864_EMU_EN_DDR BIT(0) +/* Enable bit for Inter module */ +#define TW5864_EMU_EN_ME BIT(1) +/* Enable bit for Sensor Interface module */ +#define TW5864_EMU_EN_SEN BIT(2) +/* Enable bit for Host Burst Access */ +#define TW5864_EMU_EN_BHOST BIT(3) +/* Enable bit for Loop Filter module */ +#define TW5864_EMU_EN_LPF BIT(4) +/* Enable bit for PLBK module */ +#define TW5864_EMU_EN_PLBK BIT(5) +/* + * Video Frame mapping in DDR + * 00 CIF + * 01 D1 + * 10 Reserved + * 11 Reserved + * + */ +#define TW5864_DSP_FRAME_TYPE (3 << 6) +#define TW5864_DSP_FRAME_TYPE_D1 BIT(6) + +#define TW5864_UNDECLARED_H264REV_PART2 0x0008 + +#define TW5864_SLICE 0x000c +/* Define controls in register TW5864_SLICE */ +/* VLC Slice end flag */ +#define TW5864_VLC_SLICE_END BIT(0) +/* Master Slice End Flag */ +#define TW5864_MAS_SLICE_END BIT(4) +/* Host to start a new slice Address */ +#define TW5864_START_NSLICE BIT(15) + +/* + * [15:0] Two bit for each channel (channel 0 ~ 7). Each two bits are the buffer + * pointer for the last encoded frame of the corresponding channel. + */ +#define TW5864_ENC_BUF_PTR_REC1 0x0010 + +/* [5:0] DSP_MB_QP and [15:10] DSP_LPF_OFFSET */ +#define TW5864_DSP_QP 0x0018 +/* Define controls in register TW5864_DSP_QP */ +/* [5:0] H264 QP Value for codec */ +#define TW5864_DSP_MB_QP 0x003f +/* + * [15:10] H264 LPF_OFFSET Address + * (Default 0) + */ +#define TW5864_DSP_LPF_OFFSET 0xfc00 + +#define TW5864_DSP_CODEC 0x001c +/* Define controls in register TW5864_DSP_CODEC */ +/* + * 0: Encode (TW5864 Default) + * 1: Decode + */ +#define TW5864_DSP_CODEC_MODE BIT(0) +/* + * 0->3 4 VLC data buffer in DDR (1M each) + * 0->7 8 VLC data buffer in DDR (512k each) + */ +#define TW5864_VLC_BUF_ID (7 << 2) +/* + * 0 4CIF in 1 MB + * 1 1CIF in 1 MB + */ +#define TW5864_CIF_MAP_MD BIT(6) +/* + * 0 2 falf D1 in 1 MB + * 1 1 half D1 in 1 MB + */ +#define TW5864_HD1_MAP_MD BIT(7) +/* VLC Stream valid */ +#define TW5864_VLC_VLD BIT(8) +/* MV Vector Valid */ +#define TW5864_MV_VECT_VLD BIT(9) +/* MV Flag Valid */ +#define TW5864_MV_FLAG_VLD BIT(10) + +#define TW5864_DSP_SEN 0x0020 +/* Define controls in register TW5864_DSP_SEN */ +/* Org Buffer Base for Luma (default 0) */ +#define TW5864_DSP_SEN_PIC_LU 0x000f +/* Org Buffer Base for Chroma (default 4) */ +#define TW5864_DSP_SEN_PIC_CHM 0x00f0 +/* Maximum Number of Buffers (default 4) */ +#define TW5864_DSP_SEN_PIC_MAX 0x0700 +/* + * Original Frame D1 or HD1 switch + * (Default 0) + */ +#define TW5864_DSP_SEN_HFULL 0x1000 + +#define TW5864_DSP_REF_PIC 0x0024 +/* Define controls in register TW5864_DSP_REF_PIC */ +/* Ref Buffer Base for Luma (default 0) */ +#define TW5864_DSP_REF_PIC_LU 0x000f +/* Ref Buffer Base for Chroma (default 4) */ +#define TW5864_DSP_REF_PIC_CHM 0x00f0 +/* Maximum Number of Buffers (default 4) */ +#define TW5864_DSP_REF_PIC_MAX 0x0700 + +/* [15:0] SEN_EN_CH[n] SENIF original frame capture enable for each channel */ +#define TW5864_SEN_EN_CH 0x0028 + +#define TW5864_DSP 0x002c +/* Define controls in register TW5864_DSP */ +/* The ID for channel selected for encoding operation */ +#define TW5864_DSP_ENC_CHN 0x000f +/* See DSP_MB_DELAY below */ +#define TW5864_DSP_MB_WAIT 0x0010 +/* + * DSP Chroma Switch + * 0 DDRB + * 1 DDRA + */ +#define TW5864_DSP_CHROM_SW 0x0020 +/* VLC Flow Control: 1 for enable */ +#define TW5864_DSP_FLW_CNTL 0x0040 +/* + * If DSP_MB_WAIT == 0, MB delay is DSP_MB_DELAY * 16 + * If DSP_MB_DELAY == 1, MB delay is DSP_MB_DELAY * 128 + */ +#define TW5864_DSP_MB_DELAY 0x0f00 + +#define TW5864_DDR 0x0030 +/* Define controls in register TW5864_DDR */ +/* DDR Single Access Page Number */ +#define TW5864_DDR_PAGE_CNTL 0x00ff +/* DDR-DPR Burst Read Enable */ +#define TW5864_DDR_BRST_EN BIT(13) +/* + * DDR A/B Select as HOST access + * 0 Select DDRA + * 1 Select DDRB + */ +#define TW5864_DDR_AB_SEL BIT(14) +/* + * DDR Access Mode Select + * 0 Single R/W Access (Host <-> DDR) + * 1 Burst R/W Access (Host <-> DPR) + */ +#define TW5864_DDR_MODE BIT(15) + +/* The original frame capture pointer. Two bits for each channel */ +/* SENIF_ORG_FRM_PTR [15:0] */ +#define TW5864_SENIF_ORG_FRM_PTR1 0x0038 +/* SENIF_ORG_FRM_PTR [31:16] */ +#define TW5864_SENIF_ORG_FRM_PTR2 0x003c + +#define TW5864_DSP_SEN_MODE 0x0040 +/* Define controls in register TW5864_DSP_SEN_MODE */ +#define TW5864_DSP_SEN_MODE_CH0 0x000f +#define TW5864_DSP_SEN_MODE_CH1 0x00f0 + +/* + * [15:0]: ENC_BUF_PTR_REC[31:16] Two bit for each channel (channel 8 ~ 15). + * Each two bits are the buffer pointer for the last encoded frame of a channel + */ +#define TW5864_ENC_BUF_PTR_REC2 0x004c + +/* Current MV Flag Status Pointer for Channel n. (Read only) */ +/* + * [1:0] CH0_MV_PTR, ..., [15:14] CH7_MV_PTR + */ +#define TW5864_CH_MV_PTR1 0x0060 +/* + * [1:0] CH8_MV_PTR, ..., [15:14] CH15_MV_PTR + */ +#define TW5864_CH_MV_PTR2 0x0064 + +/* + * [15:0] Reset Current MV Flag Status Pointer for Channel n (one bit each) + */ +#define TW5864_RST_MV_PTR 0x0068 +#define TW5864_INTERLACING 0x0200 +/* Define controls in register TW5864_INTERLACING */ +/* + * Inter_Mode Start. 2-nd bit? A guess. Missing in datasheet. Without this bit + * set, the output video is interlaced (stripy). + */ +#define TW5864_DSP_INTER_ST BIT(1) +/* Deinterlacer Enable */ +#define TW5864_DI_EN BIT(2) +/* + * De-interlacer Mode + * 1 Shuffled frame + * 0 Normal Un-Shuffled Frame + */ +#define TW5864_DI_MD BIT(3) +/* + * Down scale original frame in X direction + * 11: Un-used + * 10: down-sample to 1/4 + * 01: down-sample to 1/2 + * 00: down-sample disabled + */ +#define TW5864_DSP_DWN_X (3 << 4) +/* + * Down scale original frame in Y direction + * 11: Un-used + * 10: down-sample to 1/4 + * 01: down-sample to 1/2 + * 00: down-sample disabled + */ +#define TW5864_DSP_DWN_Y (3 << 6) +/* + * 1 Dual Stream + * 0 Single Stream + */ +#define TW5864_DUAL_STR BIT(8) + +#define TW5864_DSP_REF 0x0204 +/* Define controls in register TW5864_DSP_REF */ +/* Number of reference frame (Default 1 for TW5864B) */ +#define TW5864_DSP_REF_FRM 0x000f +/* Window size */ +#define TW5864_DSP_WIN_SIZE 0x02f0 + +#define TW5864_DSP_SKIP 0x0208 +/* Define controls in register TW5864_DSP_SKIP */ +/* + * Skip Offset Enable bit + * 0 DSP_SKIP_OFFSET value is not used (default 8) + * 1 DSP_SKIP_OFFSET value is used in HW + */ +#define TW5864_DSP_SKIP_OFEN 0x0080 +/* Skip mode cost offset (default 8) */ +#define TW5864_DSP_SKIP_OFFSET 0x007f + +#define TW5864_MOTION_SEARCH_ETC 0x020c +/* Define controls in register TW5864_MOTION_SEARCH_ETC */ +/* Enable quarter pel search mode */ +#define TW5864_QPEL_EN BIT(0) +/* Enable half pel search mode */ +#define TW5864_HPEL_EN BIT(1) +/* Enable motion search mode */ +#define TW5864_ME_EN BIT(2) +/* Enable Intra mode */ +#define TW5864_INTRA_EN BIT(3) +/* Enable Skip Mode */ +#define TW5864_SKIP_EN BIT(4) +/* Search Option (Default 2"b01) */ +#define TW5864_SRCH_OPT (3 << 5) + +#define TW5864_DSP_ENC_REC 0x0210 +/* Define controls in register TW5864_DSP_ENC_REC */ +/* Reference Buffer Pointer for encoding */ +#define TW5864_DSP_ENC_REF_PTR 0x0007 +/* Reconstruct Buffer pointer */ +#define TW5864_DSP_REC_BUF_PTR 0x7000 + +/* [15:0] Lambda Value for H264 */ +#define TW5864_DSP_REF_MVP_LAMBDA 0x0214 + +#define TW5864_DSP_PIC_MAX_MB 0x0218 +/* Define controls in register TW5864_DSP_PIC_MAX_MB */ +/* The MB number in Y direction for a frame */ +#define TW5864_DSP_PIC_MAX_MB_Y 0x007f +/* The MB number in X direction for a frame */ +#define TW5864_DSP_PIC_MAX_MB_X 0x7f00 + +/* The original frame pointer for encoding */ +#define TW5864_DSP_ENC_ORG_PTR_REG 0x021c +/* Mask to use with TW5864_DSP_ENC_ORG_PTR */ +#define TW5864_DSP_ENC_ORG_PTR_MASK 0x7000 +/* Number of bits to shift with TW5864_DSP_ENC_ORG_PTR */ +#define TW5864_DSP_ENC_ORG_PTR_SHIFT 12 + +/* DDR base address of OSD rectangle attribute data */ +#define TW5864_DSP_OSD_ATTRI_BASE 0x0220 +/* OSD enable bit for each channel */ +#define TW5864_DSP_OSD_ENABLE 0x0228 + +/* 0x0280 ~ 0x029c – Motion Vector for 1st 4x4 Block, e.g., 80 (X), 84 (Y) */ +#define TW5864_ME_MV_VEC1 0x0280 +/* 0x02a0 ~ 0x02bc – Motion Vector for 2nd 4x4 Block, e.g., A0 (X), A4 (Y) */ +#define TW5864_ME_MV_VEC2 0x02a0 +/* 0x02c0 ~ 0x02dc – Motion Vector for 3rd 4x4 Block, e.g., C0 (X), C4 (Y) */ +#define TW5864_ME_MV_VEC3 0x02c0 +/* 0x02e0 ~ 0x02fc – Motion Vector for 4th 4x4 Block, e.g., E0 (X), E4 (Y) */ +#define TW5864_ME_MV_VEC4 0x02e0 + +/* + * [5:0] + * if (intra16x16_cost < (intra4x4_cost+dsp_i4x4_offset)) + * Intra_mode = intra16x16_mode + * Else + * Intra_mode = intra4x4_mode + */ +#define TW5864_DSP_I4x4_OFFSET 0x040c + +/* + * [6:4] + * 0x5 Only 4x4 + * 0x6 Only 16x16 + * 0x7 16x16 & 4x4 + */ +#define TW5864_DSP_INTRA_MODE 0x0410 +#define TW5864_DSP_INTRA_MODE_SHIFT 4 +#define TW5864_DSP_INTRA_MODE_MASK (7 << 4) +#define TW5864_DSP_INTRA_MODE_4x4 0x5 +#define TW5864_DSP_INTRA_MODE_16x16 0x6 +#define TW5864_DSP_INTRA_MODE_4x4_AND_16x16 0x7 +/* + * [5:0] WEIGHT Factor for I4x4 cost calculation (QP dependent) + */ +#define TW5864_DSP_I4x4_WEIGHT 0x0414 + +/* + * [7:0] Offset used to affect Intra/ME model decision + * If (me_cost < intra_cost + dsp_resid_mode_offset) + * Pred_Mode = me_mode + * Else + * Pred_mode = intra_mode + */ +#define TW5864_DSP_RESID_MODE_OFFSET 0x0604 + +/* 0x0800 ~ 0x09ff - Quantization TABLE Values */ +#define TW5864_QUAN_TAB 0x0800 + +/* Valid channel value [0; f], frame value [0; 3] */ +#define TW5864_RT_CNTR_CH_FRM(channel, frame) \ + (0x0c00 | (channel << 4) | (frame << 2)) + +#define TW5864_FRAME_BUS1 0x0d00 +/* + * 1 Progressive in part A in bus n + * 0 Interlaced in part A in bus n + */ +#define TW5864_PROG_A BIT(0) +/* + * 1 Progressive in part B in bus n + * 0 Interlaced in part B in bus n + */ +#define TW5864_PROG_B BIT(1) +/* + * 1 Frame Mode in bus n + * 0 Field Mode in bus n + */ +#define TW5864_FRAME BIT(2) +/* + * 0 4CIF in bus n + * 1 1D1 + 4 CIF in bus n + * 2 2D1 in bus n + */ +#define TW5864_BUS_D1 (3 << 3) +/* Bus 1 goes in TW5864_FRAME_BUS1 in [4:0] */ +/* Bus 2 goes in TW5864_FRAME_BUS1 in [12:8] */ +#define TW5864_FRAME_BUS2 0x0d04 +/* Bus 3 goes in TW5864_FRAME_BUS2 in [4:0] */ +/* Bus 4 goes in TW5864_FRAME_BUS2 in [12:8] */ + +/* [15:0] Horizontal Mirror for channel n */ +#define TW5864_SENIF_HOR_MIR 0x0d08 +/* [15:0] Vertical Mirror for channel n */ +#define TW5864_SENIF_VER_MIR 0x0d0c + +/* + * FRAME_WIDTH_BUSn_A + * 0x15f: 4 CIF + * 0x2cf: 1 D1 + 3 CIF + * 0x2cf: 2 D1 + * FRAME_WIDTH_BUSn_B + * 0x15f: 4 CIF + * 0x2cf: 1 D1 + 3 CIF + * 0x2cf: 2 D1 + * FRAME_HEIGHT_BUSn_A + * 0x11f: 4CIF (PAL) + * 0x23f: 1D1 + 3CIF (PAL) + * 0x23f: 2 D1 (PAL) + * 0x0ef: 4CIF (NTSC) + * 0x1df: 1D1 + 3CIF (NTSC) + * 0x1df: 2 D1 (NTSC) + * FRAME_HEIGHT_BUSn_B + * 0x11f: 4CIF (PAL) + * 0x23f: 1D1 + 3CIF (PAL) + * 0x23f: 2 D1 (PAL) + * 0x0ef: 4CIF (NTSC) + * 0x1df: 1D1 + 3CIF (NTSC) + * 0x1df: 2 D1 (NTSC) + */ +#define TW5864_FRAME_WIDTH_BUS_A(bus) (0x0d10 + 0x0010 * bus) +#define TW5864_FRAME_WIDTH_BUS_B(bus) (0x0d14 + 0x0010 * bus) +#define TW5864_FRAME_HEIGHT_BUS_A(bus) (0x0d18 + 0x0010 * bus) +#define TW5864_FRAME_HEIGHT_BUS_B(bus) (0x0d1c + 0x0010 * bus) + +/* + * 1: the bus mapped Channel n Full D1 + * 0: the bus mapped Channel n Half D1 + */ +#define TW5864_FULL_HALF_FLAG 0x0d50 + +/* + * 0 The bus mapped Channel select partA Mode + * 1 The bus mapped Channel select partB Mode + */ +#define TW5864_FULL_HALF_MODE_SEL 0x0d54 + +#define TW5864_VLC 0x1000 +/* Define controls in register TW5864_VLC */ +/* QP Value used by H264 CAVLC */ +#define TW5864_VLC_SLICE_QP 0x003f +/* + * Swap byte order of VLC stream in d-word. + * 1 Normal (VLC output= [31:0]) + * 0 Swap (VLC output={[23:16],[31:24],[7:0], [15:8]}) + */ +#define TW5864_VLC_BYTE_SWP BIT(6) +/* Enable Adding 03 circuit for VLC stream */ +#define TW5864_VLC_ADD03_EN BIT(7) +/* Number of bit for VLC bit Align */ +#define TW5864_VLC_BIT_ALIGN_SHIFT 8 +#define TW5864_VLC_BIT_ALIGN_MASK (0x1f << 8) +/* + * Synchronous Interface select for VLC Stream + * 1 CDC_VLCS_MAS read VLC stream + * 0 CPU read VLC stream + */ +#define TW5864_VLC_INF_SEL BIT(13) +/* Enable VLC overflow control */ +#define TW5864_VLC_OVFL_CNTL BIT(14) +/* + * 1 PCI Master Mode + * 0 Non PCI Master Mode + */ +#define TW5864_VLC_PCI_SEL BIT(15) +/* + * 0 Enable Adding 03 to VLC header and stream + * 1 Disable Adding 03 to VLC header of "00000001" + */ +#define TW5864_VLC_A03_DISAB BIT(16) +/* + * Status of VLC stream in DDR (one bit for each buffer) + * 1 VLC is ready in buffer n (HW set) + * 0 VLC is not ready in buffer n (SW clear) + */ +#define TW5864_VLC_BUF_RDY_SHIFT 24 +#define TW5864_VLC_BUF_RDY_MASK (0xff << 24) + +/* Total number of bit in the slice */ +#define TW5864_SLICE_TOTAL_BIT 0x1004 +/* Total number of bit in the residue */ +#define TW5864_RES_TOTAL_BIT 0x1008 + +#define TW5864_VLC_BUF 0x100c +/* Define controls in register TW5864_VLC_BUF */ +/* VLC BK0 full status, write ‘1’ to clear */ +#define TW5864_VLC_BK0_FULL BIT(0) +/* VLC BK1 full status, write ‘1’ to clear */ +#define TW5864_VLC_BK1_FULL BIT(1) +/* VLC end slice status, write ‘1’ to clear */ +#define TW5864_VLC_END_SLICE BIT(2) +/* VLC Buffer overflow status, write ‘1’ to clear */ +#define TW5864_DSP_RD_OF BIT(3) +/* VLC string length in either buffer 0 or 1 at end of frame */ +#define TW5864_VLC_STREAM_LEN_SHIFT 4 +#define TW5864_VLC_STREAM_LEN_MASK (0x1ff << 4) + +/* [15:0] Total coefficient number in a frame */ +#define TW5864_TOTAL_COEF_NO 0x1010 +/* [0] VLC Encoder Interrupt. Write ‘1’ to clear */ +#define TW5864_VLC_DSP_INTR 0x1014 +/* [31:0] VLC stream CRC checksum */ +#define TW5864_VLC_STREAM_CRC 0x1018 + +#define TW5864_VLC_RD 0x101c +/* Define controls in register TW5864_VLC_RD */ +/* + * 1 Read VLC lookup Memory + * 0 Read VLC Stream Memory + */ +#define TW5864_VLC_RD_MEM BIT(0) +/* + * 1 Read VLC Stream Memory in burst mode + * 0 Read VLC Stream Memory in single mode + */ +#define TW5864_VLC_RD_BRST BIT(1) + +/* 0x2000 ~ 0x2ffc -- H264 Stream Memory Map */ +/* + * A word is 4 bytes. I.e., + * VLC_STREAM_MEM[0] address: 0x2000 + * VLC_STREAM_MEM[1] address: 0x2004 + * ... + * VLC_STREAM_MEM[3FF] address: 0x2ffc + */ +#define TW5864_VLC_STREAM_MEM_START 0x2000 +#define TW5864_VLC_STREAM_MEM_MAX_OFFSET 0x3ff +#define TW5864_VLC_STREAM_MEM(offset) (TW5864_VLC_STREAM_MEM_START + 4 * offset) + +/* 0x4000 ~ 0x4ffc -- Audio Register Map */ +/* [31:0] config 1ms cnt = Realtime clk/1000 */ +#define TW5864_CFG_1MS_CNT 0x4000 + +#define TW5864_ADPCM 0x4004 +/* Define controls in register TW5864_ADPCM */ +/* ADPCM decoder enable */ +#define TW5864_ADPCM_DEC BIT(0) +/* ADPCM input data enable */ +#define TW5864_ADPCM_IN_DATA BIT(1) +/* ADPCM encoder enable */ +#define TW5864_ADPCM_ENC BIT(2) + +#define TW5864_AUD 0x4008 +/* Define controls in register TW5864_AUD */ +/* Record path PCM Audio enable bit for each channel */ +#define TW5864_AUD_ORG_CH_EN 0x00ff +/* Speaker path PCM Audio Enable */ +#define TW5864_SPK_ORG_EN BIT(16) +/* + * 0 16bit + * 1 8bit + */ +#define TW5864_AD_BIT_MODE BIT(17) +#define TW5864_AUD_TYPE_SHIFT 18 +/* + * 0 PCM + * 3 ADPCM + */ +#define TW5864_AUD_TYPE (0xf << 18) +#define TW5864_AUD_SAMPLE_RATE_SHIFT 22 +/* + * 0 8K + * 1 16K + */ +#define TW5864_AUD_SAMPLE_RATE (3 << 22) +/* Channel ID used to select audio channel (0 to 16) for loopback */ +#define TW5864_TESTLOOP_CHID_SHIFT 24 +#define TW5864_TESTLOOP_CHID (0x1f << 24) +/* Enable AD Loopback Test */ +#define TW5864_TEST_ADLOOP_EN BIT(30) +/* + * 0 Asynchronous Mode or PCI target mode + * 1 PCI Initiator Mode + */ +#define TW5864_AUD_MODE BIT(31) + +#define TW5864_AUD_ADPCM 0x400c +/* Define controls in register TW5864_AUD_ADPCM */ +/* Record path ADPCM audio channel enable, one bit for each */ +#define TW5864_AUD_ADPCM_CH_EN 0x00ff +/* Speaker path ADPCM audio channel enable */ +#define TW5864_SPK_ADPCM_EN BIT(16) + +#define TW5864_PC_BLOCK_ADPCM_RD_NO 0x4018 +#define TW5864_PC_BLOCK_ADPCM_RD_NO_MASK 0x1f + +/* + * For ADPCM_ENC_WR_PTR, ADPCM_ENC_RD_PTR (see below): + * Bit[2:0] ch0 + * Bit[5:3] ch1 + * Bit[8:6] ch2 + * Bit[11:9] ch3 + * Bit[14:12] ch4 + * Bit[17:15] ch5 + * Bit[20:18] ch6 + * Bit[23:21] ch7 + * Bit[26:24] ch8 + * Bit[29:27] ch9 + * Bit[32:30] ch10 + * Bit[35:33] ch11 + * Bit[38:36] ch12 + * Bit[41:39] ch13 + * Bit[44:42] ch14 + * Bit[47:45] ch15 + * Bit[50:48] ch16 + */ +#define TW5864_ADPCM_ENC_XX_MASK 0x3fff +#define TW5864_ADPCM_ENC_XX_PTR2_SHIFT 30 +/* ADPCM_ENC_WR_PTR[29:0] */ +#define TW5864_ADPCM_ENC_WR_PTR1 0x401c +/* ADPCM_ENC_WR_PTR[50:30] */ +#define TW5864_ADPCM_ENC_WR_PTR2 0x4020 + +/* ADPCM_ENC_RD_PTR[29:0] */ +#define TW5864_ADPCM_ENC_RD_PTR1 0x4024 +/* ADPCM_ENC_RD_PTR[50:30] */ +#define TW5864_ADPCM_ENC_RD_PTR2 0x4028 + +/* [3:0] rd ch0, [7:4] rd ch1, [11:8] wr ch0, [15:12] wr ch1 */ +#define TW5864_ADPCM_DEC_RD_WR_PTR 0x402c + +/* + * For TW5864_AD_ORIG_WR_PTR, TW5864_AD_ORIG_RD_PTR: + * Bit[3:0] ch0 + * Bit[7:4] ch1 + * Bit[11:8] ch2 + * Bit[15:12] ch3 + * Bit[19:16] ch4 + * Bit[23:20] ch5 + * Bit[27:24] ch6 + * Bit[31:28] ch7 + * Bit[35:32] ch8 + * Bit[39:36] ch9 + * Bit[43:40] ch10 + * Bit[47:44] ch11 + * Bit[51:48] ch12 + * Bit[55:52] ch13 + * Bit[59:56] ch14 + * Bit[63:60] ch15 + * Bit[67:64] ch16 + */ +/* AD_ORIG_WR_PTR[31:0] */ +#define TW5864_AD_ORIG_WR_PTR1 0x4030 +/* AD_ORIG_WR_PTR[63:32] */ +#define TW5864_AD_ORIG_WR_PTR2 0x4034 +/* AD_ORIG_WR_PTR[67:64] */ +#define TW5864_AD_ORIG_WR_PTR3 0x4038 + +/* AD_ORIG_RD_PTR[31:0] */ +#define TW5864_AD_ORIG_RD_PTR1 0x403c +/* AD_ORIG_RD_PTR[63:32] */ +#define TW5864_AD_ORIG_RD_PTR2 0x4040 +/* AD_ORIG_RD_PTR[67:64] */ +#define TW5864_AD_ORIG_RD_PTR3 0x4044 + +#define TW5864_PC_BLOCK_ORIG_RD_NO 0x4048 +#define TW5864_PC_BLOCK_ORIG_RD_NO_MASK 0x1f + +#define TW5864_PCI_AUD 0x404c +/* Define controls in register TW5864_PCI_AUD */ +/* + * The register is applicable to PCI initiator mode only. Used to select PCM(0) + * or ADPCM(1) audio data sent to PC. One bit for each channel + */ +#define TW5864_PCI_DATA_SEL 0xffff +/* + * Audio flow control mode selection bit. + * 0 Flow control disabled. TW5864 continuously sends audio frame to PC + * (initiator mode) + * 1 Flow control enabled + */ +#define TW5864_PCI_FLOW_EN BIT(16) +/* + * When PCI_FLOW_EN is set, PCI need to toggle this bit to send an audio frame + * to PC. One toggle to send one frame. + */ +#define TW5864_PCI_AUD_FRM_EN BIT(17) + +/* [1:0] CS valid to data valid CLK cycles when writing operation */ +#define TW5864_CS2DAT_CNT 0x8000 +/* [2:0] Data valid signal width by system clock cycles */ +#define TW5864_DATA_VLD_WIDTH 0x8004 + +#define TW5864_SYNC 0x8008 +/* Define controls in register TW5864_SYNC */ +/* + * 0 vlc stream to syncrous port + * 1 vlc stream to ddr buffers + */ +#define TW5864_SYNC_CFG BIT(7) +/* + * 0 SYNC Address sampled on Rising edge + * 1 SYNC Address sampled on Falling edge + */ +#define TW5864_SYNC_ADR_EDGE BIT(0) +#define TW5864_VLC_STR_DELAY_SHIFT 1 +/* + * 0 No system delay + * 1 One system clock delay + * 2 Two system clock delay + * 3 Three system clock delay + */ +#define TW5864_VLC_STR_DELAY (3 << 1) +/* + * 0 Rising edge output + * 1 Falling edge output + */ +#define TW5864_VLC_OUT_EDGE BIT(3) + +/* + * [1:0] + * 2’b00 phase set to 180 degree + * 2’b01 phase set to 270 degree + * 2’b10 phase set to 0 degree + * 2’b11 phase set to 90 degree + */ +#define TW5864_I2C_PHASE_CFG 0x800c + +/* + * The system / DDR clock (166 MHz) is generated with an on-chip system clock + * PLL (SYSPLL) using input crystal clock of 27 MHz. The system clock PLL + * frequency is controlled with the following equation. + * CLK_OUT = CLK_IN * (M+1) / ((N+1) * P) + * SYSPLL_M M parameter + * SYSPLL_N N parameter + * SYSPLL_P P parameter + */ +/* SYSPLL_M[7:0] */ +#define TW5864_SYSPLL1 0x8018 +/* Define controls in register TW5864_SYSPLL1 */ +#define TW5864_SYSPLL_M_LOW 0x00ff + +/* [2:0]: SYSPLL_M[10:8], [7:3]: SYSPLL_N[4:0] */ +#define TW5864_SYSPLL2 0x8019 +/* Define controls in register TW5864_SYSPLL2 */ +#define TW5864_SYSPLL_M_HI 0x07 +#define TW5864_SYSPLL_N_LOW_SHIFT 3 +#define TW5864_SYSPLL_N_LOW (0x1f << 3) + +/* + * [1:0]: SYSPLL_N[6:5], [3:2]: SYSPLL_P, [4]: SYSPLL_IREF, [7:5]: SYSPLL_CP_SEL + */ +#define TW5864_SYSPLL3 0x8020 +/* Define controls in register TW5864_SYSPLL3 */ +#define TW5864_SYSPLL_N_HI 0x03 +#define TW5864_SYSPLL_P_SHIFT 2 +#define TW5864_SYSPLL_P (0x03 << 2) +/* + * SYSPLL bias current control + * 0 Lower current (default) + * 1 30% higher current + */ +#define TW5864_SYSPLL_IREF BIT(4) +/* + * SYSPLL charge pump current selection + * 0 1,5 uA + * 1 4 uA + * 2 9 uA + * 3 19 uA + * 4 39 uA + * 5 79 uA + * 6 159 uA + * 7 319 uA + */ +#define TW5864_SYSPLL_CP_SEL_SHIFT 5 +#define TW5864_SYSPLL_CP_SEL (0x07 << 5) + +/* + * [1:0]: SYSPLL_VCO, [3:2]: SYSPLL_LP_X8, [5:4]: SYSPLL_ICP_SEL, + * [6]: SYSPLL_LPF_5PF, [7]: SYSPLL_ED_SEL + */ +#define TW5864_SYSPLL4 0x8021 +/* Define controls in register TW5864_SYSPLL4 */ +/* + * SYSPLL_VCO VCO Range selection + * 00 5 ~ 75 MHz + * 01 50 ~ 140 MHz + * 10 110 ~ 320 MHz + * 11 270 ~ 700 MHz + */ +#define TW5864_SYSPLL_VCO 0x03 +#define TW5864_SYSPLL_LP_X8_SHIFT 2 +/* + * Loop resister + * 0 38.5K ohms + * 1 6.6K ohms (default) + * 2 2.2K ohms + * 3 1.1K ohms + */ +#define TW5864_SYSPLL_LP_X8 (0x03 << 2) +#define TW5864_SYSPLL_ICP_SEL_SHIFT 4 +/* + * PLL charge pump fine tune + * 00 x1 (default) + * 01 x1/2 + * 10 x1/7 + * 11 x1/8 + */ +#define TW5864_SYSPLL_ICP_SEL (0x03 << 4) +/* + * PLL low pass filter phase margin adjustment + * 0 no 5pF (default) + * 1 5pF added + */ +#define TW5864_SYSPLL_LPF_5PF BIT(6) +/* + * PFD select edge for detection + * 0 Falling edge (default) + * 1 Rising edge + */ +#define TW5864_SYSPLL_ED_SEL BIT(7) + +/* [0]: SYSPLL_RST, [4]: SYSPLL_PD */ +#define TW5864_SYSPLL5 0x8024 +/* Define controls in register TW5864_SYSPLL5 */ +/* Reset SYSPLL */ +#define TW5864_SYSPLL_RST BIT(0) +/* Power down SYSPLL */ +#define TW5864_SYSPLL_PD BIT(4) + +#define TW5864_PLL_CFG 0x801c +/* Define controls in register TW5864_PLL_CFG */ +/* + * Issue Soft Reset from Async Host Interface / PCI Interface clock domain. + * Become valid after sync to the xtal clock domain. This bit is set only if + * LOAD register bit is also set to 1. + */ +#define TW5864_SRST BIT(0) +/* + * Issue SYSPLL (166 MHz) configuration latch from Async host interface / PCI + * Interface clock domain. The configuration setting becomes effective only if + * LOAD register bit is also set to 1. + */ +#define TW5864_SYSPLL_CFG BIT(2) +/* + * Issue SPLL (108 MHz) configuration load from Async host interface / PCI + * Interface clock domain. The configuration setting becomes effective only if + * the LOAD register bit is also set to 1. + */ +#define TW5864_SPLL_CFG BIT(4) +/* + * Set this bit to latch the SRST, SYSPLL_CFG, SPLL_CFG setting into the xtal + * clock domain to restart the PLL. This bit is self cleared. + */ +#define TW5864_LOAD BIT(3) + +/* SPLL_IREF, SPLL_LPX4, SPLL_CPX4, SPLL_PD, SPLL_DBG */ +#define TW5864_SPLL 0x8028 + +/* 0x8800 ~ 0x88fc -- Interrupt Register Map */ +/* + * Trigger mode of interrupt source 0 ~ 15 + * 1 Edge trigger mode + * 0 Level trigger mode + */ +#define TW5864_TRIGGER_MODE_L 0x8800 +/* Trigger mode of interrupt source 16 ~ 31 */ +#define TW5864_TRIGGER_MODE_H 0x8804 +/* Enable of interrupt source 0 ~ 15 */ +#define TW5864_INTR_ENABLE_L 0x8808 +/* Enable of interrupt source 16 ~ 31 */ +#define TW5864_INTR_ENABLE_H 0x880c +/* Clear interrupt command of interrupt source 0 ~ 15 */ +#define TW5864_INTR_CLR_L 0x8810 +/* Clear interrupt command of interrupt source 16 ~ 31 */ +#define TW5864_INTR_CLR_H 0x8814 +/* + * Assertion of interrupt source 0 ~ 15 + * 1 High level or pos-edge is assertion + * 0 Low level or neg-edge is assertion + */ +#define TW5864_INTR_ASSERT_L 0x8818 +/* Assertion of interrupt source 16 ~ 31 */ +#define TW5864_INTR_ASSERT_H 0x881c +/* + * Output level of interrupt + * 1 Interrupt output is high assertion + * 0 Interrupt output is low assertion + */ +#define TW5864_INTR_OUT_LEVEL 0x8820 +/* + * Status of interrupt source 0 ~ 15 + * Bit[0]: VLC 4k RAM interrupt + * Bit[1]: BURST DDR RAM interrupt + * Bit[2]: MV DSP interrupt + * Bit[3]: video lost interrupt + * Bit[4]: gpio 0 interrupt + * Bit[5]: gpio 1 interrupt + * Bit[6]: gpio 2 interrupt + * Bit[7]: gpio 3 interrupt + * Bit[8]: gpio 4 interrupt + * Bit[9]: gpio 5 interrupt + * Bit[10]: gpio 6 interrupt + * Bit[11]: gpio 7 interrupt + * Bit[12]: JPEG interrupt + * Bit[13:15]: Reserved + */ +#define TW5864_INTR_STATUS_L 0x8838 +/* + * Status of interrupt source 16 ~ 31 + * Bit[0]: Reserved + * Bit[1]: VLC done interrupt + * Bit[2]: Reserved + * Bit[3]: AD Vsync interrupt + * Bit[4]: Preview eof interrupt + * Bit[5]: Preview overflow interrupt + * Bit[6]: Timer interrupt + * Bit[7]: Reserved + * Bit[8]: Audio eof interrupt + * Bit[9]: I2C done interrupt + * Bit[10]: AD interrupt + * Bit[11:15]: Reserved + */ +#define TW5864_INTR_STATUS_H 0x883c + +/* Defines of interrupt bits, united for both low and high word registers */ +#define TW5864_INTR_VLC_RAM BIT(0) +#define TW5864_INTR_BURST BIT(1) +#define TW5864_INTR_MV_DSP BIT(2) +#define TW5864_INTR_VIN_LOST BIT(3) +/* n belongs to [0; 7] */ +#define TW5864_INTR_GPIO(n) (1 << (4 + n)) +#define TW5864_INTR_JPEG BIT(12) +#define TW5864_INTR_VLC_DONE BIT(17) +#define TW5864_INTR_AD_VSYNC BIT(19) +#define TW5864_INTR_PV_EOF BIT(20) +#define TW5864_INTR_PV_OVERFLOW BIT(21) +#define TW5864_INTR_TIMER BIT(22) +#define TW5864_INTR_AUD_EOF BIT(24) +#define TW5864_INTR_I2C_DONE BIT(25) +#define TW5864_INTR_AD BIT(26) + +/* 0x9000 ~ 0x920c -- Video Capture (VIF) Register Map */ +/* + * H264EN_CH_STATUS[n] Status of Vsync synchronized H264EN_CH_EN (Read Only) + * 1 Channel Enabled + * 0 Channel Disabled + */ +#define TW5864_H264EN_CH_STATUS 0x9000 +/* + * [15:0] H264EN_CH_EN[n] H264 Encoding Path Enable for channel + * 1 Channel Enabled + * 0 Channel Disabled + */ +#define TW5864_H264EN_CH_EN 0x9004 +/* + * H264EN_CH_DNS[n] H264 Encoding Path Downscale Video Decoder Input for + * channel n + * 1 Downscale Y to 1/2 + * 0 Does not downscale + */ +#define TW5864_H264EN_CH_DNS 0x9008 +/* + * H264EN_CH_PROG[n] H264 Encoding Path channel n is progressive + * 1 Progressive (Not valid for TW5864) + * 0 Interlaced (TW5864 default) + */ +#define TW5864_H264EN_CH_PROG 0x900c +/* + * [3:0] H264EN_BUS_MAX_CH[n] + * H264 Encoding Path maximum number of channel on BUS n + * 0 Max 4 channels + * 1 Max 2 channels + */ +#define TW5864_H264EN_BUS_MAX_CH 0x9010 + +/* + * H264EN_RATE_MAX_LINE_n H264 Encoding path Rate Mapping Maximum Line Number + * on Bus n + */ +#define TW5864_H264EN_RATE_MAX_LINE_EVEN 0x1f +#define TW5864_H264EN_RATE_MAX_LINE_ODD_SHIFT 5 +#define TW5864_H264EN_RATE_MAX_LINE_ODD (0x1f << 5) +/* + * [4:0] H264EN_RATE_MAX_LINE_0 + * [9:5] H264EN_RATE_MAX_LINE_1 + */ +#define TW5864_H264EN_RATE_MAX_LINE_REG1 0x9014 +/* + * [4:0] H264EN_RATE_MAX_LINE_2 + * [9:5] H264EN_RATE_MAX_LINE_3 + */ +#define TW5864_H264EN_RATE_MAX_LINE_REG2 0x9018 + +/* + * H264EN_CHn_FMT H264 Encoding Path Format configuration of Channel n + * 00 D1 (For D1 and hD1 frame) + * 01 (Reserved) + * 10 (Reserved) + * 11 D1 with 1/2 size in X (for CIF frame) + * Note: To be used with 0x9008 register to configure the frame size + */ +/* + * [1:0]: H264EN_CH0_FMT, + * ..., [15:14]: H264EN_CH7_FMT + */ +#define TW5864_H264EN_CH_FMT_REG1 0x9020 +/* + * [1:0]: H264EN_CH8_FMT (?), + * ..., [15:14]: H264EN_CH15_FMT (?) + */ +#define TW5864_H264EN_CH_FMT_REG2 0x9024 + +/* + * H264EN_RATE_CNTL_BUSm_CHn H264 Encoding Path BUS m Rate Control for Channel n + */ +#define TW5864_H264EN_RATE_CNTL_LO_WORD(bus, channel) \ + (0x9100 + bus * 0x20 + channel * 0x08) +#define TW5864_H264EN_RATE_CNTL_HI_WORD(bus, channel) \ + (0x9104 + bus * 0x20 + channel * 0x08) + +/* + * H264EN_BUSm_MAP_CHn The 16-to-1 MUX configuration register for each encoding + * channel (total of 16 channels). Four bits for each channel. + */ +#define TW5864_H264EN_BUS0_MAP 0x9200 +#define TW5864_H264EN_BUS1_MAP 0x9204 +#define TW5864_H264EN_BUS2_MAP 0x9208 +#define TW5864_H264EN_BUS3_MAP 0x920c + +/* This register is not defined in datasheet, but used in reference driver */ +#define TW5864_UNDECLARED_ERROR_FLAGS_0x9218 0x9218 + +#define TW5864_GPIO1 0x9800 +#define TW5864_GPIO2 0x9804 +/* Define controls in registers TW5864_GPIO1, TW5864_GPIO2 */ +/* GPIO DATA of Group n */ +#define TW5864_GPIO_DATA 0x00ff +#define TW5864_GPIO_OEN_SHIFT 8 +/* GPIO Output Enable of Group n */ +#define TW5864_GPIO_OEN (0xff << 8) + +/* 0xa000 ~ 0xa8ff – DDR Controller Register Map */ +/* DDR Controller A */ +/* + * [2:0] Data valid counter after read command to DDR. This is the delay value + * to show how many cycles the data will be back from DDR after we issue a read + * command. + */ +#define TW5864_RD_ACK_VLD_MUX 0xa000 + +#define TW5864_DDR_PERIODS 0xa004 +/* Define controls in register TW5864_DDR_PERIODS */ +/* + * Tras value, the minimum cycle of active to precharge command period, + * default is 7 + */ +#define TW5864_TRAS_CNT_MAX 0x000f +/* + * Trfc value, the minimum cycle of refresh to active or refresh command period, + * default is 4"hf + */ +#define TW5864_RFC_CNT_MAX_SHIFT 8 +#define TW5864_RFC_CNT_MAX (0x0f << 8) +/* + * Trcd value, the minimum cycle of active to internal read/write command + * period, default is 4"h2 + */ +#define TW5864_TCD_CNT_MAX_SHIFT 4 +#define TW5864_TCD_CNT_MAX (0x0f << 4) +/* Twr value, write recovery time, default is 4"h3 */ +#define TW5864_TWR_CNT_MAX_SHIFT 12 +#define TW5864_TWR_CNT_MAX (0x0f << 12) + +/* + * [2:0] CAS latency, the delay cycle between internal read command and the + * availability of the first bit of output data, default is 3 + */ +#define TW5864_CAS_LATENCY 0xa008 +/* + * [15:0] Maximum average periodic refresh, the value is based on the current + * frequency to match 7.8mcs + */ +#define TW5864_DDR_REF_CNTR_MAX 0xa00c +/* + * DDR_ON_CHIP_MAP [1:0] + * 0 256M DDR on board + * 1 512M DDR on board + * 2 1G DDR on board + * DDR_ON_CHIP_MAP [2] + * 0 Only one DDR chip + * 1 Two DDR chips + */ +#define TW5864_DDR_ON_CHIP_MAP 0xa01c +#define TW5864_DDR_SELFTEST_MODE 0xa020 +/* Define controls in register TW5864_DDR_SELFTEST_MODE */ +/* + * 0 Common read/write mode + * 1 DDR self-test mode + */ +#define TW5864_MASTER_MODE BIT(0) +/* + * 0 DDR self-test single read/write + * 1 DDR self-test burst read/write + */ +#define TW5864_SINGLE_PROC BIT(1) +/* + * 0 DDR self-test write command + * 1 DDR self-test read command + */ +#define TW5864_WRITE_FLAG BIT(2) +#define TW5864_DATA_MODE_SHIFT 4 +/* + * 0 write 32'haaaa5555 to DDR + * 1 write 32'hffffffff to DDR + * 2 write 32'hha5a55a5a to DDR + * 3 write increasing data to DDR + */ +#define TW5864_DATA_MODE (0x3 << 4) + +/* [7:0] The maximum data of one burst in DDR self-test mode */ +#define TW5864_BURST_CNTR_MAX 0xa024 +/* [15:0] The maximum burst counter (bit 15~0) in DDR self-test mode */ +#define TW5864_DDR_PROC_CNTR_MAX_L 0xa028 +/* The maximum burst counter (bit 31~16) in DDR self-test mode */ +#define TW5864_DDR_PROC_CNTR_MAX_H 0xa02c +/* [0]: Start one DDR self-test */ +#define TW5864_DDR_SELF_TEST_CMD 0xa030 +/* The maximum error counter (bit 15 ~ 0) in DDR self-test */ +#define TW5864_ERR_CNTR_L 0xa034 + +#define TW5864_ERR_CNTR_H_AND_FLAG 0xa038 +/* Define controls in register TW5864_ERR_CNTR_H_AND_FLAG */ +/* The maximum error counter (bit 30 ~ 16) in DDR self-test */ +#define TW5864_ERR_CNTR_H_MASK 0x3fff +/* DDR self-test end flag */ +#define TW5864_END_FLAG 0x8000 + +/* + * DDR Controller B: same as 0xa000 ~ 0xa038, but add TW5864_DDR_B_OFFSET to all + * addresses + */ +#define TW5864_DDR_B_OFFSET 0x0800 + +/* 0xb004 ~ 0xb018 – HW version/ARB12 Register Map */ +/* [15:0] Default is C013 */ +#define TW5864_HW_VERSION 0xb004 + +#define TW5864_REQS_ENABLE 0xb010 +/* Define controls in register TW5864_REQS_ENABLE */ +/* Audio data in to DDR enable (default 1) */ +#define TW5864_AUD_DATA_IN_ENB BIT(0) +/* Audio encode request to DDR enable (default 1) */ +#define TW5864_AUD_ENC_REQ_ENB BIT(1) +/* Audio decode request0 to DDR enable (default 1) */ +#define TW5864_AUD_DEC_REQ0_ENB BIT(2) +/* Audio decode request1 to DDR enable (default 1) */ +#define TW5864_AUD_DEC_REQ1_ENB BIT(3) +/* VLC stream request to DDR enable (default 1) */ +#define TW5864_VLC_STRM_REQ_ENB BIT(4) +/* H264 MV request to DDR enable (default 1) */ +#define TW5864_DVM_MV_REQ_ENB BIT(5) +/* mux_core MVD request to DDR enable (default 1) */ +#define TW5864_MVD_REQ_ENB BIT(6) +/* mux_core MVD temp data request to DDR enable (default 1) */ +#define TW5864_MVD_TMP_REQ_ENB BIT(7) +/* JPEG request to DDR enable (default 1) */ +#define TW5864_JPEG_REQ_ENB BIT(8) +/* mv_flag request to DDR enable (default 1) */ +#define TW5864_MV_FLAG_REQ_ENB BIT(9) + +#define TW5864_ARB12 0xb018 +/* Define controls in register TW5864_ARB12 */ +/* ARB12 Enable (default 1) */ +#define TW5864_ARB12_ENB BIT(15) +/* ARB12 maximum value of time out counter (default 15"h1FF) */ +#define TW5864_ARB12_TIME_OUT_CNT 0x7fff + +/* 0xb800 ~ 0xb80c -- Indirect Access Register Map */ +/* + * Spec says: + * In order to access the indirect register space, the following procedure is + * followed. + * But reference driver implementation, and current driver, too, does it + * differently. + * + * Write Registers: + * (1) Write IND_DATA at 0xb804 ~ 0xb807 + * (2) Read BUSY flag from 0xb803. Wait until BUSY signal is 0. + * (3) Write IND_ADDR at 0xb800 ~ 0xb801. Set R/W to "1", ENABLE to "1" + * Read Registers: + * (1) Read BUSY flag from 0xb803. Wait until BUSY signal is 0. + * (2) Write IND_ADDR at 0xb800 ~ 0xb801. Set R/W to "0", ENABLE to "1" + * (3) Read BUSY flag from 0xb803. Wait until BUSY signal is 0. + * (4) Read IND_DATA from 0xb804 ~ 0xb807 + */ +#define TW5864_IND_CTL 0xb800 +/* Define controls in register TW5864_IND_CTL */ +/* Address used to access indirect register space */ +#define TW5864_IND_ADDR 0x0000ffff +/* Wait until this bit is "0" before using indirect access */ +#define TW5864_BUSY BIT(31) +/* Activate the indirect access. This bit is self cleared */ +#define TW5864_ENABLE BIT(25) +/* Read/Write command */ +#define TW5864_RW BIT(24) + +/* [31:0] Data used to read/write indirect register space */ +#define TW5864_IND_DATA 0xb804 + +/* 0xc000 ~ 0xc7fc -- Preview Register Map */ +/* Mostly skipped this section. */ +/* + * [15:0] Status of Vsync Synchronized PCI_PV_CH_EN (Read Only) + * 1 Channel Enabled + * 0 Channel Disabled + */ +#define TW5864_PCI_PV_CH_STATUS 0xc000 +/* + * [15:0] PCI Preview Path Enable for channel n + * 1 Channel Enable + * 0 Channel Disable + */ +#define TW5864_PCI_PV_CH_EN 0xc004 + +/* 0xc800 ~ 0xc804 -- JPEG Capture Register Map */ +/* Skipped. */ +/* 0xd000 ~ 0xd0fc -- JPEG Control Register Map */ +/* Skipped. */ + +/* 0xe000 ~ 0xfc04 – Motion Vector Register Map */ + +/* ME Motion Vector data (Four Byte Each) 0xe000 ~ 0xe7fc */ +#define TW5864_ME_MV_VEC_START 0xe000 +#define TW5864_ME_MV_VEC_MAX_OFFSET 0x1ff +#define TW5864_ME_MV_VEC(offset) (TW5864_ME_MV_VEC_START + 4 * offset) + +#define TW5864_MV 0xfc00 +/* Define controls in register TW5864_MV */ +/* mv bank0 full status , write "1" to clear */ +#define TW5864_MV_BK0_FULL BIT(0) +/* mv bank1 full status , write "1" to clear */ +#define TW5864_MV_BK1_FULL BIT(1) +/* slice end status; write "1" to clear */ +#define TW5864_MV_EOF BIT(2) +/* mv encode interrupt status; write "1" to clear */ +#define TW5864_MV_DSP_INTR BIT(3) +/* mv write memory overflow, write "1" to clear */ +#define TW5864_DSP_WR_OF BIT(4) +#define TW5864_MV_LEN_SHIFT 5 +/* mv stream length */ +#define TW5864_MV_LEN (0xff << 5) +/* The configured status bit written into bit 15 of 0xfc04 */ +#define TW5864_MPI_DDR_SEL BIT(13) + +#define TW5864_MPI_DDR_SEL_REG 0xfc04 +/* Define controls in register TW5864_MPI_DDR_SEL_REG */ +/* + * SW configure register + * 0 MV is saved in internal DPR + * 1 MV is saved in DDR + */ +#define TW5864_MPI_DDR_SEL2 BIT(15) + +/* 0x18000 ~ 0x181fc – PCI Master/Slave Control Map */ +#define TW5864_PCI_INTR_STATUS 0x18000 +/* Define controls in register TW5864_PCI_INTR_STATUS */ +/* vlc done */ +#define TW5864_VLC_DONE_INTR BIT(1) +/* ad vsync */ +#define TW5864_AD_VSYNC_INTR BIT(3) +/* preview eof */ +#define TW5864_PREV_EOF_INTR BIT(4) +/* preview overflow interrupt */ +#define TW5864_PREV_OVERFLOW_INTR BIT(5) +/* timer interrupt */ +#define TW5864_TIMER_INTR BIT(6) +/* audio eof */ +#define TW5864_AUDIO_EOF_INTR BIT(8) +/* IIC done */ +#define TW5864_IIC_DONE_INTR BIT(24) +/* ad interrupt (e.g.: video lost, video format changed) */ +#define TW5864_AD_INTR_REG BIT(25) + +#define TW5864_PCI_INTR_CTL 0x18004 +/* Define controls in register TW5864_PCI_INTR_CTL */ +/* master enable */ +#define TW5864_PCI_MAST_ENB BIT(0) +/* mvd&vlc master enable */ +#define TW5864_MVD_VLC_MAST_ENB 0x06 +/* (Need to set 0 in TW5864A) */ +#define TW5864_AD_MAST_ENB BIT(3) +/* preview master enable */ +#define TW5864_PREV_MAST_ENB BIT(4) +/* preview overflow enable */ +#define TW5864_PREV_OVERFLOW_ENB BIT(5) +/* timer interrupt enable */ +#define TW5864_TIMER_INTR_ENB BIT(6) +/* JPEG master (push mode) enable */ +#define TW5864_JPEG_MAST_ENB BIT(7) +#define TW5864_AU_MAST_ENB_CHN_SHIFT 8 +/* audio master channel enable */ +#define TW5864_AU_MAST_ENB_CHN (0xffff << 8) +/* IIC interrupt enable */ +#define TW5864_IIC_INTR_ENB BIT(24) +/* ad interrupt enable */ +#define TW5864_AD_INTR_ENB BIT(25) +/* target burst enable */ +#define TW5864_PCI_TAR_BURST_ENB BIT(26) +/* vlc stream burst enable */ +#define TW5864_PCI_VLC_BURST_ENB BIT(27) +/* ddr burst enable (1 enable, and must set DDR_BRST_EN) */ +#define TW5864_PCI_DDR_BURST_ENB BIT(28) + +/* + * Because preview and audio have 16 channels separately, so using this + * registers to indicate interrupt status for every channels. This is secondary + * interrupt status register. OR operating of the PREV_INTR_REG is + * PREV_EOF_INTR, OR operating of the AU_INTR_REG bits is AUDIO_EOF_INTR + */ +#define TW5864_PREV_AND_AU_INTR 0x18008 +/* Define controls in register TW5864_PREV_AND_AU_INTR */ +/* preview eof interrupt flag */ +#define TW5864_PREV_INTR_REG 0x0000ffff +#define TW5864_AU_INTR_REG_SHIFT 16 +/* audio eof interrupt flag */ +#define TW5864_AU_INTR_REG (0xffff << 16) + +#define TW5864_MASTER_ENB_REG 0x1800c +/* Define controls in register TW5864_MASTER_ENB_REG */ +/* master enable */ +#define TW5864_PCI_VLC_INTR_ENB BIT(1) +/* mvd and vlc master enable */ +#define TW5864_PCI_PREV_INTR_ENB BIT(4) +/* ad vsync master enable */ +#define TW5864_PCI_PREV_OF_INTR_ENB BIT(5) +/* jpeg master enable */ +#define TW5864_PCI_JPEG_INTR_ENB BIT(7) +/* preview master enable */ +#define TW5864_PCI_AUD_INTR_ENB BIT(8) + +/* + * Every channel of preview and audio have ping-pong buffers in system memory, + * this register is the buffer flag to notify software which buffer is been + * operated. + */ +#define TW5864_PREV_AND_AU_BUF_FLAG 0x18010 +/* Define controls in register TW5864_PREV_AND_AU_BUF_FLAG */ +/* preview buffer A/B flag */ +#define TW5864_PREV_BUF_FLAG 0xffff +#define TW5864_AUDIO_BUF_FLAG_SHIFT 16 +/* audio buffer A/B flag */ +#define TW5864_AUDIO_BUF_FLAG (0xffff << 16) + +#define TW5864_IIC 0x18014 +/* Define controls in register TW5864_IIC */ +/* register data */ +#define TW5864_IIC_DATA 0x00ff +#define TW5864_IIC_REG_ADDR_SHIFT 8 +/* register addr */ +#define TW5864_IIC_REG_ADDR (0xff << 8) +/* rd/wr flag rd=1,wr=0 */ +#define TW5864_IIC_RW BIT(16) +#define TW5864_IIC_DEV_ADDR_SHIFT 17 +/* device addr */ +#define TW5864_IIC_DEV_ADDR (0x7f << 17) +/* + * iic done, software kick off one time iic transaction through setting this + * bit to 1. Then poll this bit, value 1 indicate iic transaction have + * completed, if read, valid data have been stored in iic_data + */ +#define TW5864_IIC_DONE BIT(24) + +#define TW5864_RST_AND_IF_INFO 0x18018 +/* Define controls in register TW5864_RST_AND_IF_INFO */ +/* application software soft reset */ +#define TW5864_APP_SOFT_RST BIT(0) +#define TW5864_PCI_INF_VERSION_SHIFT 16 +/* PCI interface version, read only */ +#define TW5864_PCI_INF_VERSION (0xffff << 16) + +/* vlc stream crc value, it is calculated in pci module */ +#define TW5864_VLC_CRC_REG 0x1801c +/* + * vlc max length, it is defined by software based on software assign memory + * space for vlc + */ +#define TW5864_VLC_MAX_LENGTH 0x18020 +/* vlc length of one frame */ +#define TW5864_VLC_LENGTH 0x18024 +/* vlc original crc value */ +#define TW5864_VLC_INTRA_CRC_I_REG 0x18028 +/* vlc original crc value */ +#define TW5864_VLC_INTRA_CRC_O_REG 0x1802c +/* mv stream crc value, it is calculated in pci module */ +#define TW5864_VLC_PAR_CRC_REG 0x18030 +/* mv length */ +#define TW5864_VLC_PAR_LENGTH_REG 0x18034 +/* mv original crc value */ +#define TW5864_VLC_PAR_I_REG 0x18038 +/* mv original crc value */ +#define TW5864_VLC_PAR_O_REG 0x1803c + +/* + * Configuration register for 9[or 10] CIFs or 1D1+15QCIF Preview mode. + * PREV_PCI_ENB_CHN[0] Enable 9th preview channel (9CIF prev) or 1D1 channel in + * (1D1+15QCIF prev) + * PREV_PCI_ENB_CHN[1] Enable 10th preview channel + */ +#define TW5864_PREV_PCI_ENB_CHN 0x18040 +/* Description skipped. */ +#define TW5864_PREV_FRAME_FORMAT_IN 0x18044 +/* IIC enable */ +#define TW5864_IIC_ENB 0x18048 +/* + * Timer interrupt interval + * 0 1ms + * 1 2ms + * 2 4ms + * 3 8ms + */ +#define TW5864_PCI_INTTM_SCALE 0x1804c + +/* + * The above register is pci base address registers. Application software will + * initialize them to tell chip where the corresponding stream will be dumped + * to. Application software will select appropriate base address interval based + * on the stream length. + */ +/* VLC stream base address */ +#define TW5864_VLC_STREAM_BASE_ADDR 0x18080 +/* MV stream base address */ +#define TW5864_MV_STREAM_BASE_ADDR 0x18084 +/* 0x180a0 – 0x180bc: audio burst base address. Skipped. */ +/* 0x180c0 ~ 0x180dc – JPEG Push Mode Buffer Base Address. Skipped. */ +/* 0x18100 – 0x1817c: preview burst base address. Skipped. */ + +/* 0x80000 ~ 0x87fff -- DDR Burst RW Register Map */ +#define TW5864_DDR_CTL 0x80000 +/* Define controls in register TW5864_DDR_CTL */ +#define TW5864_BRST_LENGTH_SHIFT 2 +/* Length of 32-bit data burst */ +#define TW5864_BRST_LENGTH (0x3fff << 2) +/* + * Burst Read/Write + * 0 Read Burst from DDR + * 1 Write Burst to DDR + */ +#define TW5864_BRST_RW BIT(16) +/* Begin a new DDR Burst. This bit is self cleared */ +#define TW5864_NEW_BRST_CMD BIT(17) +/* DDR Burst End Flag */ +#define TW5864_BRST_END BIT(24) +/* Enable Error Interrupt for Single DDR Access */ +#define TW5864_SING_ERR_INTR BIT(25) +/* Enable Error Interrupt for Burst DDR Access */ +#define TW5864_BRST_ERR_INTR BIT(26) +/* Enable Interrupt for End of DDR Burst Access */ +#define TW5864_BRST_END_INTR BIT(27) +/* DDR Single Access Error Flag */ +#define TW5864_SINGLE_ERR BIT(28) +/* DDR Single Access Busy Flag */ +#define TW5864_SINGLE_BUSY BIT(29) +/* DDR Burst Access Error Flag */ +#define TW5864_BRST_ERR BIT(30) +/* DDR Burst Access Busy Flag */ +#define TW5864_BRST_BUSY BIT(31) + +/* [27:0] DDR Access Address. Bit [1:0] has to be 0 */ +#define TW5864_DDR_ADDR 0x80004 +/* DDR Access Internal Buffer Address. Bit [1:0] has to be 0 */ +#define TW5864_DPR_BUF_ADDR 0x80008 +/* SRAM Buffer MPI Access Space. Totally 16 KB */ +#define TW5864_DPR_BUF_START 0x84000 +/* 0x84000 - 0x87ffc */ +#define TW5864_DPR_BUF_SIZE 0x4000 + +/* Indirect Map Space */ +/* + * The indirect space is accessed through 0xb800 ~ 0xb807 registers in direct + * access space + */ +/* Analog Video / Audio Decoder / Encoder */ +/* Allowed channel values: [0; 3] */ +/* Read-only register */ +#define TW5864_INDIR_VIN_0(channel) (0x000 + channel * 0x010) +/* Define controls in register TW5864_INDIR_VIN_0 */ +/* + * 1 Video not present. (sync is not detected in number of consecutive line + * periods specified by MISSCNT register) + * 0 Video detected. + */ +#define TW5864_INDIR_VIN_0_VDLOSS BIT(7) +/* + * 1 Horizontal sync PLL is locked to the incoming video source. + * 0 Horizontal sync PLL is not locked. + */ +#define TW5864_INDIR_VIN_0_HLOCK BIT(6) +/* + * 1 Sub-carrier PLL is locked to the incoming video source. + * 0 Sub-carrier PLL is not locked. + */ +#define TW5864_INDIR_VIN_0_SLOCK BIT(5) +/* + * 1 Even field is being decoded. + * 0 Odd field is being decoded. + */ +#define TW5864_INDIR_VIN_0_FLD BIT(4) +/* + * 1 Vertical logic is locked to the incoming video source. + * 0 Vertical logic is not locked. + */ +#define TW5864_INDIR_VIN_0_VLOCK BIT(3) +/* + * 1 No color burst signal detected. + * 0 Color burst signal detected. + */ +#define TW5864_INDIR_VIN_0_MONO BIT(1) +/* + * 0 60Hz source detected + * 1 50Hz source detected + * The actual vertical scanning frequency depends on the current standard + * invoked. + */ +#define TW5864_INDIR_VIN_0_DET50 BIT(0) + +#define TW5864_INDIR_VIN_1(channel) (0x001 + channel * 0x010) +/* VCR signal indicator. Read-only. */ +#define TW5864_INDIR_VIN_1_VCR BIT(7) +/* Weak signal indicator 2. Read-only. */ +#define TW5864_INDIR_VIN_1_WKAIR BIT(6) +/* Weak signal indicator controlled by WKTH. Read-only. */ +#define TW5864_INDIR_VIN_1_WKAIR1 BIT(5) +/* + * 1 = Standard signal + * 0 = Non-standard signal + * Read-only + */ +#define TW5864_INDIR_VIN_1_VSTD BIT(4) +/* + * 1 = Non-interlaced signal + * 0 = interlaced signal + * Read-only + */ +#define TW5864_INDIR_VIN_1_NINTL BIT(3) +/* + * Vertical Sharpness Control. Writable. + * 0 = None (default) + * 7 = Highest + * **Note: VSHP must be set to ‘0’ if COMB = 0 + */ +#define TW5864_INDIR_VIN_1_VSHP 0x07 + +/* HDELAY_XY[7:0] */ +#define TW5864_INDIR_VIN_2_HDELAY_XY_LO(channel) (0x002 + channel * 0x010) +/* HACTIVE_XY[7:0] */ +#define TW5864_INDIR_VIN_3_HACTIVE_XY_LO(channel) (0x003 + channel * 0x010) +/* VDELAY_XY[7:0] */ +#define TW5864_INDIR_VIN_4_VDELAY_XY_LO(channel) (0x004 + channel * 0x010) +/* VACTIVE_XY[7:0] */ +#define TW5864_INDIR_VIN_5_VACTIVE_XY_LO(channel) (0x005 + channel * 0x010) + +#define TW5864_INDIR_VIN_6(channel) (0x006 + channel * 0x010) +/* Define controls in register TW5864_INDIR_VIN_6 */ +#define TW5864_INDIR_VIN_6_HDELAY_XY_HI 0x03 +#define TW5864_INDIR_VIN_6_HACTIVE_XY_HI_SHIFT 2 +#define TW5864_INDIR_VIN_6_HACTIVE_XY_HI (0x03 << 2) +#define TW5864_INDIR_VIN_6_VDELAY_XY_HI BIT(4) +#define TW5864_INDIR_VIN_6_VACTIVE_XY_HI BIT(5) + +/* + * HDELAY_XY This 10bit register defines the starting location of horizontal + * active pixel for display / record path. A unit is 1 pixel. The default value + * is 0x00f for NTSC and 0x00a for PAL. + * + * HACTIVE_XY This 10bit register defines the number of horizontal active pixel + * for display / record path. A unit is 1 pixel. The default value is decimal + * 720. + * + * VDELAY_XY This 9bit register defines the starting location of vertical + * active for display / record path. A unit is 1 line. The default value is + * decimal 6. + * + * VACTIVE_XY This 9bit register defines the number of vertical active lines + * for display / record path. A unit is 1 line. The default value is decimal + * 240. + */ + +/* HUE These bits control the color hue as 2's complement number. They have + * value from +36o (7Fh) to -36o (80h) with an increment of 2.8o. The 2 LSB has + * no effect. The positive value gives greenish tone and negative value gives + * purplish tone. The default value is 0o (00h). This is effective only on NTSC + * system. The default is 00h. + */ +#define TW5864_INDIR_VIN_7_HUE(channel) (0x007 + channel * 0x010) + +#define TW5864_INDIR_VIN_8(channel) (0x008 + channel * 0x010) +/* Define controls in register TW5864_INDIR_VIN_8 */ +/* + * This bit controls the center frequency of the peaking filter. + * The corresponding gain adjustment is HFLT. + * 0 Low + * 1 center + */ +#define TW5864_INDIR_VIN_8_SCURVE BIT(7) +/* CTI level selection. The default is 1. + * 0 None + * 3 Highest + */ +#define TW5864_INDIR_VIN_8_CTI_SHIFT 4 +#define TW5864_INDIR_VIN_8_CTI (0x03 << 4) + +/* + * These bits control the amount of sharpness enhancement on the luminance + * signals. There are 16 levels of control with "0" having no effect on the + * output image. 1 through 15 provides sharpness enhancement with "F" being the + * strongest. The default is 1. + */ +#define TW5864_INDIR_VIN_8_SHARPNESS 0x0f + +/* + * These bits control the luminance contrast gain. A value of 100 (64h) has a + * gain of 1. The range adjustment is from 0% to 255% at 1% per step. The + * default is 64h. + */ +#define TW5864_INDIR_VIN_9_CNTRST(channel) (0x009 + channel * 0x010) + +/* + * These bits control the brightness. They have value of –128 to 127 in 2's + * complement form. Positive value increases brightness. A value 0 has no + * effect on the data. The default is 00h. + */ +#define TW5864_INDIR_VIN_A_BRIGHT(channel) (0x00a + channel * 0x010) + +/* + * These bits control the digital gain adjustment to the U (or Cb) component of + * the digital video signal. The color saturation can be adjusted by adjusting + * the U and V color gain components by the same amount in the normal + * situation. The U and V can also be adjusted independently to provide greater + * flexibility. The range of adjustment is 0 to 200%. A value of 128 (80h) has + * gain of 100%. The default is 80h. + */ +#define TW5864_INDIR_VIN_B_SAT_U(channel) (0x00b + channel * 0x010) + +/* + * These bits control the digital gain adjustment to the V (or Cr) component of + * the digital video signal. The color saturation can be adjusted by adjusting + * the U and V color gain components by the same amount in the normal + * situation. The U and V can also be adjusted independently to provide greater + * flexibility. The range of adjustment is 0 to 200%. A value of 128 (80h) has + * gain of 100%. The default is 80h. + */ +#define TW5864_INDIR_VIN_C_SAT_V(channel) (0x00c + channel * 0x010) + +/* Read-only */ +#define TW5864_INDIR_VIN_D(channel) (0x00d + channel * 0x010) +/* Define controls in register TW5864_INDIR_VIN_D */ +/* Macrovision color stripe detection may be un-reliable */ +#define TW5864_INDIR_VIN_D_CSBAD BIT(3) +/* Macrovision AGC pulse detected */ +#define TW5864_INDIR_VIN_D_MCVSN BIT(2) +/* Macrovision color stripe protection burst detected */ +#define TW5864_INDIR_VIN_D_CSTRIPE BIT(1) +/* + * This bit is valid only when color stripe protection is detected, i.e. if + * CSTRIPE=1, + * 1 Type 2 color stripe protection + * 0 Type 3 color stripe protection + */ +#define TW5864_INDIR_VIN_D_CTYPE2 BIT(0) + +/* Read-only */ +#define TW5864_INDIR_VIN_E(channel) (0x00e + channel * 0x010) +/* Define controls in register TW5864_INDIR_VIN_E */ +/* + * Read-only. + * 0 Idle + * 1 Detection in progress + */ +#define TW5864_INDIR_VIN_E_DETSTUS BIT(7) +/* + * STDNOW Current standard invoked + * 0 NTSC (M) + * 1 PAL (B, D, G, H, I) + * 2 SECAM + * 3 NTSC4.43 + * 4 PAL (M) + * 5 PAL (CN) + * 6 PAL 60 + * 7 Not valid + */ +#define TW5864_INDIR_VIN_E_STDNOW_SHIFT 4 +#define TW5864_INDIR_VIN_E_STDNOW (0x07 << 4) + +/* + * 1 Disable the shadow registers + * 0 Enable VACTIVE and HDELAY shadow registers value depending on STANDARD. + * (Default) + */ +#define TW5864_INDIR_VIN_E_ATREG BIT(3) +/* + * STANDARD Standard selection + * 0 NTSC (M) + * 1 PAL (B, D, G, H, I) + * 2 SECAM + * 3 NTSC4.43 + * 4 PAL (M) + * 5 PAL (CN) + * 6 PAL 60 + * 7 Auto detection (Default) + */ +#define TW5864_INDIR_VIN_E_STANDARD 0x07 + +#define TW5864_INDIR_VIN_F(channel) (0x00f + channel * 0x010) +/* Define controls in register TW5864_INDIR_VIN_F */ +/* + * 1 Writing 1 to this bit will manually initiate the auto format detection + * process. This bit is a self-clearing bit + * 0 Manual initiation of auto format detection is done. (Default) + */ +#define TW5864_INDIR_VIN_F_ATSTART BIT(7) +/* Enable recognition of PAL60 (Default) */ +#define TW5864_INDIR_VIN_F_PAL60EN BIT(6) +/* Enable recognition of PAL (CN). (Default) */ +#define TW5864_INDIR_VIN_F_PALCNEN BIT(5) +/* Enable recognition of PAL (M). (Default) */ +#define TW5864_INDIR_VIN_F_PALMEN BIT(4) +/* Enable recognition of NTSC 4.43. (Default) */ +#define TW5864_INDIR_VIN_F_NTSC44EN BIT(3) +/* Enable recognition of SECAM. (Default) */ +#define TW5864_INDIR_VIN_F_SECAMEN BIT(2) +/* Enable recognition of PAL (B, D, G, H, I). (Default) */ +#define TW5864_INDIR_VIN_F_PALBEN BIT(1) +/* Enable recognition of NTSC (M). (Default) */ +#define TW5864_INDIR_VIN_F_NTSCEN BIT(0) + +/* Some registers skipped. */ + +/* Use falling edge to sample VD1-VD4 from 54 MHz to 108 MHz */ +#define TW5864_INDIR_VD_108_POL 0x041 +#define TW5864_INDIR_VD_108_POL_VD12 BIT(0) +#define TW5864_INDIR_VD_108_POL_VD34 BIT(1) +#define TW5864_INDIR_VD_108_POL_BOTH \ + (TW5864_INDIR_VD_108_POL_VD12 | TW5864_INDIR_VD_108_POL_VD34) + +/* Some registers skipped. */ + +/* + * Audio Input ADC gain control + * 0 0.25 + * 1 0.31 + * 2 0.38 + * 3 0.44 + * 4 0.50 + * 5 0.63 + * 6 0.75 + * 7 0.88 + * 8 1.00 (default) + * 9 1.25 + * 10 1.50 + * 11 1.75 + * 12 2.00 + * 13 2.25 + * 14 2.50 + * 15 2.75 + */ +/* [3:0] channel 0, [7:4] channel 1 */ +#define TW5864_INDIR_AIGAIN1 0x060 +/* [3:0] channel 2, [7:4] channel 3 */ +#define TW5864_INDIR_AIGAIN2 0x061 + +/* Some registers skipped */ + +#define TW5864_INDIR_AIN_0x06D 0x06d +/* Define controls in register TW5864_INDIR_AIN_0x06D */ +/* + * LAWMD Select u-Law/A-Law/PCM/SB data output format on ADATR and ADATM pin. + * 0 PCM output (default) + * 1 SB (Signed MSB bit in PCM data is inverted) output + * 2 u-Law output + * 3 A-Law output + */ +#define TW5864_INDIR_AIN_LAWMD_SHIFT 6 +#define TW5864_INDIR_AIN_LAWMD (0x03 << 6) +/* + * Disable the mixing ratio value for all audio. + * 0 Apply individual mixing ratio value for each audio (default) + * 1 Apply nominal value for all audio commonly + */ +#define TW5864_INDIR_AIN_MIX_DERATIO BIT(5) +/* + * Enable the mute function for audio channel AINn when n is 0 to 3. It effects + * only for mixing. When n = 4, it enable the mute function of the playback + * audio input. It effects only for single chip or the last stage chip + * 0 Normal + * 1 Muted (default) + */ +#define TW5864_INDIR_AIN_MIX_MUTE 0x1f + +/* Some registers skipped */ + +#define TW5864_INDIR_AIN_0x0E3 0x0e3 +/* Define controls in register TW5864_INDIR_AIN_0x0E3 */ +/* + * ADATP signal is coming from external ADPCM decoder, instead of on-chip ADPCM + * decoder + */ +#define TW5864_INDIR_AIN_0x0E3_EXT_ADATP BIT(7) +/* ACLKP output signal polarity inverse */ +#define TW5864_INDIR_AIN_0x0E3_ACLKPPOLO BIT(6) +/* + * ACLKR input signal polarity inverse. + * 0 Not inversed (Default) + * 1 Inversed + */ +#define TW5864_INDIR_AIN_0x0E3_ACLKRPOL BIT(5) +/* + * ACLKP input signal polarity inverse. + * 0 Not inversed (Default) + * 1 Inversed + */ +#define TW5864_INDIR_AIN_0x0E3_ACLKPPOLI BIT(4) +/* + * ACKI [21:0] control automatic set up with AFMD registers + * This mode is only effective when ACLKRMASTER=1 + * 0 ACKI [21:0] registers set up ACKI control + * 1 ACKI control is automatically set up by AFMD register values + */ +#define TW5864_INDIR_AIN_0x0E3_AFAUTO BIT(3) +/* + * AFAUTO control mode + * 0 8kHz setting (Default) + * 1 16kHz setting + * 2 32kHz setting + * 3 44.1kHz setting + * 4 48kHz setting + */ +#define TW5864_INDIR_AIN_0x0E3_AFMD 0x07 + +#define TW5864_INDIR_AIN_0x0E4 0x0e4 +/* Define controls in register TW5864_INDIR_AIN_0x0ED */ +/* + * 8bit I2S Record output mode. + * 0 L/R half length separated output (Default). + * 1 One continuous packed output equal to DSP output format. + */ +#define TW5864_INDIR_AIN_0x0E4_I2S8MODE BIT(7) +/* + * Audio Clock Master ACLKR output wave format. + * 0 High periods is one 27MHz clock period (default). + * 1 Almost duty 50-50% clock output on ACLKR pin. If this mode is selected, two + * times bigger number value need to be set up on the ACKI register. If + * AFAUTO=1, ACKI control is automatically set up even if MASCKMD=1. + */ +#define TW5864_INDIR_AIN_0x0E4_MASCKMD BIT(6) +/* Playback ACLKP/ASYNP/ADATP input data MSB-LSB swapping */ +#define TW5864_INDIR_AIN_0x0E4_PBINSWAP BIT(5) +/* + * ASYNR input signal delay. + * 0 No delay + * 1 Add one 27MHz period delay in ASYNR signal input + */ +#define TW5864_INDIR_AIN_0x0E4_ASYNRDLY BIT(4) +/* + * ASYNP input signal delay. + * 0 no delay + * 1 add one 27MHz period delay in ASYNP signal input + */ +#define TW5864_INDIR_AIN_0x0E4_ASYNPDLY BIT(3) +/* + * ADATP input data delay by one ACLKP clock. + * 0 No delay (Default). This is for I2S type 1T delay input interface. + * 1 Add 1 ACLKP clock delay in ADATP input data. This is for left-justified + * type 0T delay input interface. + */ +#define TW5864_INDIR_AIN_0x0E4_ADATPDLY BIT(2) +/* + * Select u-Law/A-Law/PCM/SB data input format on ADATP pin. + * 0 PCM input (Default) + * 1 SB (Signed MSB bit in PCM data is inverted) input + * 2 u-Law input + * 3 A-Law input + */ +#define TW5864_INDIR_AIN_0x0E4_INLAWMD 0x03 + +/* + * Enable state register updating and interrupt request of audio AIN5 detection + * for each input + */ +#define TW5864_INDIR_AIN_A5DETENA 0x0e5 + +/* Some registers skipped */ + +/* + * [7:3]: DEV_ID The TW5864 product ID code is 01000 + * [2:0]: REV_ID The revision number is 0h + */ +#define TW5864_INDIR_ID 0x0fe + +#define TW5864_INDIR_IN_PIC_WIDTH(channel) (0x200 + 4 * channel) +#define TW5864_INDIR_IN_PIC_HEIGHT(channel) (0x201 + 4 * channel) +#define TW5864_INDIR_OUT_PIC_WIDTH(channel) (0x202 + 4 * channel) +#define TW5864_INDIR_OUT_PIC_HEIGHT(channel) (0x203 + 4 * channel) +/* + * Interrupt status register from the front-end. Write "1" to each bit to clear + * the interrupt + * 15:0 Motion detection interrupt for channel 0 ~ 15 + * 31:16 Night detection interrupt for channel 0 ~ 15 + * 47:32 Blind detection interrupt for channel 0 ~ 15 + * 63:48 No video interrupt for channel 0 ~ 15 + * 79:64 Line mode underflow interrupt for channel 0 ~ 15 + * 95:80 Line mode overflow interrupt for channel 0 ~ 15 + */ +/* 0x2d0~0x2d7: [63:0] bits */ +#define TW5864_INDIR_INTERRUPT1 0x2d0 +/* 0x2e0~0x2e3: [95:64] bits */ +#define TW5864_INDIR_INTERRUPT2 0x2e0 + +/* + * Interrupt mask register for interrupts in 0x2d0 ~ 0x2d7 + * 15:0 Motion detection interrupt for channel 0 ~ 15 + * 31:16 Night detection interrupt for channel 0 ~ 15 + * 47:32 Blind detection interrupt for channel 0 ~ 15 + * 63:48 No video interrupt for channel 0 ~ 15 + * 79:64 Line mode underflow interrupt for channel 0 ~ 15 + * 95:80 Line mode overflow interrupt for channel 0 ~ 15 + */ +/* 0x2d8~0x2df: [63:0] bits */ +#define TW5864_INDIR_INTERRUPT_MASK1 0x2d8 +/* 0x2e8~0x2eb: [95:64] bits */ +#define TW5864_INDIR_INTERRUPT_MASK2 0x2e8 + +/* [11:0]: Interrupt summary register for interrupts & interrupt mask from in + * 0x2d0 ~ 0x2d7 and 0x2d8 ~ 0x2df + * bit 0: interrupt occurs in 0x2d0 & 0x2d8 + * bit 1: interrupt occurs in 0x2d1 & 0x2d9 + * bit 2: interrupt occurs in 0x2d2 & 0x2da + * bit 3: interrupt occurs in 0x2d3 & 0x2db + * bit 4: interrupt occurs in 0x2d4 & 0x2dc + * bit 5: interrupt occurs in 0x2d5 & 0x2dd + * bit 6: interrupt occurs in 0x2d6 & 0x2de + * bit 7: interrupt occurs in 0x2d7 & 0x2df + * bit 8: interrupt occurs in 0x2e0 & 0x2e8 + * bit 9: interrupt occurs in 0x2e1 & 0x2e9 + * bit 10: interrupt occurs in 0x2e2 & 0x2ea + * bit 11: interrupt occurs in 0x2e3 & 0x2eb + */ +#define TW5864_INDIR_INTERRUPT_SUMMARY 0x2f0 + +/* Motion / Blind / Night Detection */ +/* valid value for channel is [0:15] */ +#define TW5864_INDIR_DETECTION_CTL0(channel) (0x300 + channel * 0x08) +/* Define controls in register TW5864_INDIR_DETECTION_CTL0 */ +/* + * Disable the motion and blind detection. + * 0 Enable motion and blind detection (default) + * 1 Disable motion and blind detection + */ +#define TW5864_INDIR_DETECTION_CTL0_MD_DIS BIT(5) +/* + * Request to start motion detection on manual trigger mode + * 0 None Operation (default) + * 1 Request to start motion detection + */ +#define TW5864_INDIR_DETECTION_CTL0_MD_STRB BIT(3) +/* + * Select the trigger mode of motion detection + * 0 Automatic trigger mode of motion detection (default) + * 1 Manual trigger mode for motion detection + */ +#define TW5864_INDIR_DETECTION_CTL0_MD_STRB_EN BIT(2) +/* + * Define the threshold of cell for blind detection. + * 0 Low threshold (More sensitive) (default) + * : : + * 3 High threshold (Less sensitive) + */ +#define TW5864_INDIR_DETECTION_CTL0_BD_CELSENS 0x03 + +#define TW5864_INDIR_DETECTION_CTL1(channel) (0x301 + channel * 0x08) +/* Define controls in register TW5864_INDIR_DETECTION_CTL1 */ +/* + * Control the temporal sensitivity of motion detector. + * 0 More Sensitive (default) + * : : + * 15 Less Sensitive + */ +#define TW5864_INDIR_DETECTION_CTL1_MD_TMPSENS_SHIFT 4 +#define TW5864_INDIR_DETECTION_CTL1_MD_TMPSENS (0x0f << 4) +/* + * Adjust the horizontal starting position for motion detection + * 0 0 pixel (default) + * : : + * 15 15 pixels + */ +#define TW5864_INDIR_DETECTION_CTL1_MD_PIXEL_OS 0x0f + +#define TW5864_INDIR_DETECTION_CTL2(channel) (0x302 + channel * 0x08) +/* Define controls in register TW5864_INDIR_DETECTION_CTL2 */ +/* + * Control the updating time of reference field for motion detection. + * 0 Update reference field every field (default) + * 1 Update reference field according to MD_SPEED + */ +#define TW5864_INDIR_DETECTION_CTL2_MD_REFFLD BIT(7) +/* + * Select the field for motion detection. + * 0 Detecting motion for only odd field (default) + * 1 Detecting motion for only even field + * 2 Detecting motion for any field + * 3 Detecting motion for both odd and even field + */ +#define TW5864_INDIR_DETECTION_CTL2_MD_FIELD_SHIFT 5 +#define TW5864_INDIR_DETECTION_CTL2_MD_FIELD (0x03 << 5) +/* + * Control the level sensitivity of motion detector. + * 0 More sensitive (default) + * : : + * 15 Less sensitive + */ +#define TW5864_INDIR_DETECTION_CTL2_MD_LVSENS 0x1f + +#define TW5864_INDIR_DETECTION_CTL3(channel) (0x303 + channel * 0x08) +/* Define controls in register TW5864_INDIR_DETECTION_CTL3 */ +/* + * Define the threshold of sub-cell number for motion detection. + * 0 Motion is detected if 1 sub-cell has motion (More sensitive) (default) + * 1 Motion is detected if 2 sub-cells have motion + * 2 Motion is detected if 3 sub-cells have motion + * 3 Motion is detected if 4 sub-cells have motion (Less sensitive) + */ +#define TW5864_INDIR_DETECTION_CTL3_MD_CELSENS_SHIFT 6 +#define TW5864_INDIR_DETECTION_CTL3_MD_CELSENS (0x03 << 6) +/* + * Control the velocity of motion detector. + * Large value is suitable for slow motion detection. + * In MD_DUAL_EN = 1, MD_SPEED should be limited to 0 ~ 31. + * 0 1 field intervals (default) + * 1 2 field intervals + * : : + * 61 62 field intervals + * 62 63 field intervals + * 63 Not supported + */ +#define TW5864_INDIR_DETECTION_CTL3_MD_SPEED 0x3f + +#define TW5864_INDIR_DETECTION_CTL4(channel) (0x304 + channel * 0x08) +/* Define controls in register TW5864_INDIR_DETECTION_CTL4 */ +/* + * Control the spatial sensitivity of motion detector. + * 0 More Sensitive (default) + * : : + * 15 Less Sensitive + */ +#define TW5864_INDIR_DETECTION_CTL4_MD_SPSENS_SHIFT 4 +#define TW5864_INDIR_DETECTION_CTL4_MD_SPSENS (0x0f << 4) +/* + * Define the threshold of level for blind detection. + * 0 Low threshold (More sensitive) (default) + * : : + * 15 High threshold (Less sensitive) + */ +#define TW5864_INDIR_DETECTION_CTL4_BD_LVSENS 0x0f + +#define TW5864_INDIR_DETECTION_CTL5(channel) (0x305 + channel * 0x08) +/* + * Define the threshold of temporal sensitivity for night detection. + * 0 Low threshold (More sensitive) (default) + * : : + * 15 High threshold (Less sensitive) + */ +#define TW5864_INDIR_DETECTION_CTL5_ND_TMPSENS_SHIFT 4 +#define TW5864_INDIR_DETECTION_CTL5_ND_TMPSENS (0x0f << 4) +/* + * Define the threshold of level for night detection. + * 0 Low threshold (More sensitive) (default) + * : : + * 3 High threshold (Less sensitive) + */ +#define TW5864_INDIR_DETECTION_CTL5_ND_LVSENS 0x0f + +/* + * [11:0] The base address of the motion detection buffer. This address is in + * unit of 64K bytes. The generated DDR address will be {MD_BASE_ADDR, + * 16"h0000}. The default value should be 12"h000 + */ +#define TW5864_INDIR_MD_BASE_ADDR 0x380 + +/* + * This controls the channel of the motion detection result shown in register + * 0x3a0 ~ 0x3b7. Before reading back motion result, always set this first. + */ +#define TW5864_INDIR_RGR_MOTION_SEL 0x382 + +/* [15:0] MD strobe has been performed at channel n (read only) */ +#define TW5864_INDIR_MD_STRB 0x386 +/* NO_VIDEO Detected from channel n (read only) */ +#define TW5864_INDIR_NOVID_DET 0x388 +/* Motion Detected from channel n (read only) */ +#define TW5864_INDIR_MD_DET 0x38a +/* Blind Detected from channel n (read only) */ +#define TW5864_INDIR_BD_DET 0x38c +/* Night Detected from channel n (read only) */ +#define TW5864_INDIR_ND_DET 0x38e + +/* 192 bit motion flag of the channel specified by RGR_MOTION_SEL in 0x382 */ +#define TW5864_INDIR_MOTION_FLAG 0x3a0 +#define TW5864_INDIR_MOTION_FLAG_BYTE_COUNT 24 + +/* + * [9:0] The motion cell count of a specific channel selected by 0x382. This is + * for DI purpose + */ +#define TW5864_INDIR_MD_DI_CNT 0x3b8 +/* The motion detection cell sensitivity for DI purpose */ +#define TW5864_INDIR_MD_DI_CELLSENS 0x3ba +/* The motion detection threshold level for DI purpose */ +#define TW5864_INDIR_MD_DI_LVSENS 0x3bb + +/* 192 bit motion mask of the channel specified by MASK_CH_SEL in 0x3fe */ +#define TW5864_INDIR_MOTION_MASK 0x3e0 +#define TW5864_INDIR_MOTION_MASK_BYTE_COUNT 24 + +/* [4:0] The channel selection to access masks in 0x3e0 ~ 0x3f7 */ +#define TW5864_INDIR_MASK_CH_SEL 0x3fe + +/* Clock PLL / Analog IP Control */ +/* Some registers skipped */ + +#define TW5864_INDIR_DDRA_DLL_DQS_SEL0 0xee6 +#define TW5864_INDIR_DDRA_DLL_DQS_SEL1 0xee7 +#define TW5864_INDIR_DDRA_DLL_CLK90_SEL 0xee8 +#define TW5864_INDIR_DDRA_DLL_TEST_SEL_AND_TAP_S 0xee9 + +#define TW5864_INDIR_DDRB_DLL_DQS_SEL0 0xeeb +#define TW5864_INDIR_DDRB_DLL_DQS_SEL1 0xeec +#define TW5864_INDIR_DDRB_DLL_CLK90_SEL 0xeed +#define TW5864_INDIR_DDRB_DLL_TEST_SEL_AND_TAP_S 0xeee + +#define TW5864_INDIR_RESET 0xef0 +#define TW5864_INDIR_RESET_VD BIT(7) +#define TW5864_INDIR_RESET_DLL BIT(6) +#define TW5864_INDIR_RESET_MUX_CORE BIT(5) + +#define TW5864_INDIR_PV_VD_CK_POL 0xefd +#define TW5864_INDIR_PV_VD_CK_POL_PV(channel) BIT(channel) +#define TW5864_INDIR_PV_VD_CK_POL_VD(channel) BIT(channel + 4) + +#define TW5864_INDIR_CLK0_SEL 0xefe +#define TW5864_INDIR_CLK0_SEL_VD_SHIFT 0 +#define TW5864_INDIR_CLK0_SEL_VD_MASK 0x3 +#define TW5864_INDIR_CLK0_SEL_PV_SHIFT 2 +#define TW5864_INDIR_CLK0_SEL_PV_MASK (0x3 << 2) +#define TW5864_INDIR_CLK0_SEL_PV2_SHIFT 4 +#define TW5864_INDIR_CLK0_SEL_PV2_MASK (0x3 << 4) diff --git a/drivers/media/pci/tw5864/tw5864-util.c b/drivers/media/pci/tw5864/tw5864-util.c new file mode 100644 index 000000000000..771eef235755 --- /dev/null +++ b/drivers/media/pci/tw5864/tw5864-util.c @@ -0,0 +1,37 @@ +#include "tw5864.h" + +void tw5864_indir_writeb(struct tw5864_dev *dev, u16 addr, u8 data) +{ + int retries = 30000; + + while (tw_readl(TW5864_IND_CTL) & BIT(31) && --retries) + ; + if (!retries) + dev_err(&dev->pci->dev, + "tw_indir_writel() retries exhausted before writing\n"); + + tw_writel(TW5864_IND_DATA, data); + tw_writel(TW5864_IND_CTL, addr << 2 | TW5864_RW | TW5864_ENABLE); +} + +u8 tw5864_indir_readb(struct tw5864_dev *dev, u16 addr) +{ + int retries = 30000; + + while (tw_readl(TW5864_IND_CTL) & BIT(31) && --retries) + ; + if (!retries) + dev_err(&dev->pci->dev, + "tw_indir_readl() retries exhausted before reading\n"); + + tw_writel(TW5864_IND_CTL, addr << 2 | TW5864_ENABLE); + + retries = 30000; + while (tw_readl(TW5864_IND_CTL) & BIT(31) && --retries) + ; + if (!retries) + dev_err(&dev->pci->dev, + "tw_indir_readl() retries exhausted at reading\n"); + + return tw_readl(TW5864_IND_DATA); +} diff --git a/drivers/media/pci/tw5864/tw5864-video.c b/drivers/media/pci/tw5864/tw5864-video.c new file mode 100644 index 000000000000..652a059b2e0a --- /dev/null +++ b/drivers/media/pci/tw5864/tw5864-video.c @@ -0,0 +1,1510 @@ +/* + * TW5864 driver - video encoding functions + * + * Copyright (C) 2016 Bluecherry, LLC <maintainers@bluecherrydvr.com> + * + * 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. + */ + +#include <linux/module.h> +#include <media/v4l2-common.h> +#include <media/v4l2-event.h> +#include <media/videobuf2-dma-contig.h> + +#include "tw5864.h" +#include "tw5864-reg.h" + +#define QUANTIZATION_TABLE_LEN 96 +#define VLC_LOOKUP_TABLE_LEN 1024 + +static const u16 forward_quantization_table[QUANTIZATION_TABLE_LEN] = { + 0x3333, 0x1f82, 0x3333, 0x1f82, 0x1f82, 0x147b, 0x1f82, 0x147b, + 0x3333, 0x1f82, 0x3333, 0x1f82, 0x1f82, 0x147b, 0x1f82, 0x147b, + 0x2e8c, 0x1d42, 0x2e8c, 0x1d42, 0x1d42, 0x1234, 0x1d42, 0x1234, + 0x2e8c, 0x1d42, 0x2e8c, 0x1d42, 0x1d42, 0x1234, 0x1d42, 0x1234, + 0x2762, 0x199a, 0x2762, 0x199a, 0x199a, 0x1062, 0x199a, 0x1062, + 0x2762, 0x199a, 0x2762, 0x199a, 0x199a, 0x1062, 0x199a, 0x1062, + 0x2492, 0x16c1, 0x2492, 0x16c1, 0x16c1, 0x0e3f, 0x16c1, 0x0e3f, + 0x2492, 0x16c1, 0x2492, 0x16c1, 0x16c1, 0x0e3f, 0x16c1, 0x0e3f, + 0x2000, 0x147b, 0x2000, 0x147b, 0x147b, 0x0d1b, 0x147b, 0x0d1b, + 0x2000, 0x147b, 0x2000, 0x147b, 0x147b, 0x0d1b, 0x147b, 0x0d1b, + 0x1c72, 0x11cf, 0x1c72, 0x11cf, 0x11cf, 0x0b4d, 0x11cf, 0x0b4d, + 0x1c72, 0x11cf, 0x1c72, 0x11cf, 0x11cf, 0x0b4d, 0x11cf, 0x0b4d +}; + +static const u16 inverse_quantization_table[QUANTIZATION_TABLE_LEN] = { + 0x800a, 0x800d, 0x800a, 0x800d, 0x800d, 0x8010, 0x800d, 0x8010, + 0x800a, 0x800d, 0x800a, 0x800d, 0x800d, 0x8010, 0x800d, 0x8010, + 0x800b, 0x800e, 0x800b, 0x800e, 0x800e, 0x8012, 0x800e, 0x8012, + 0x800b, 0x800e, 0x800b, 0x800e, 0x800e, 0x8012, 0x800e, 0x8012, + 0x800d, 0x8010, 0x800d, 0x8010, 0x8010, 0x8014, 0x8010, 0x8014, + 0x800d, 0x8010, 0x800d, 0x8010, 0x8010, 0x8014, 0x8010, 0x8014, + 0x800e, 0x8012, 0x800e, 0x8012, 0x8012, 0x8017, 0x8012, 0x8017, + 0x800e, 0x8012, 0x800e, 0x8012, 0x8012, 0x8017, 0x8012, 0x8017, + 0x8010, 0x8014, 0x8010, 0x8014, 0x8014, 0x8019, 0x8014, 0x8019, + 0x8010, 0x8014, 0x8010, 0x8014, 0x8014, 0x8019, 0x8014, 0x8019, + 0x8012, 0x8017, 0x8012, 0x8017, 0x8017, 0x801d, 0x8017, 0x801d, + 0x8012, 0x8017, 0x8012, 0x8017, 0x8017, 0x801d, 0x8017, 0x801d +}; + +static const u16 encoder_vlc_lookup_table[VLC_LOOKUP_TABLE_LEN] = { + 0x011, 0x000, 0x000, 0x000, 0x065, 0x021, 0x000, 0x000, 0x087, 0x064, + 0x031, 0x000, 0x097, 0x086, 0x075, 0x053, 0x0a7, 0x096, 0x085, 0x063, + 0x0b7, 0x0a6, 0x095, 0x074, 0x0df, 0x0b6, 0x0a5, 0x084, 0x0db, 0x0de, + 0x0b5, 0x094, 0x0d8, 0x0da, 0x0dd, 0x0a4, 0x0ef, 0x0ee, 0x0d9, 0x0b4, + 0x0eb, 0x0ea, 0x0ed, 0x0dc, 0x0ff, 0x0fe, 0x0e9, 0x0ec, 0x0fb, 0x0fa, + 0x0fd, 0x0e8, 0x10f, 0x0f1, 0x0f9, 0x0fc, 0x10b, 0x10e, 0x10d, 0x0f8, + 0x107, 0x10a, 0x109, 0x10c, 0x104, 0x106, 0x105, 0x108, 0x023, 0x000, + 0x000, 0x000, 0x06b, 0x022, 0x000, 0x000, 0x067, 0x057, 0x033, 0x000, + 0x077, 0x06a, 0x069, 0x045, 0x087, 0x066, 0x065, 0x044, 0x084, 0x076, + 0x075, 0x056, 0x097, 0x086, 0x085, 0x068, 0x0bf, 0x096, 0x095, 0x064, + 0x0bb, 0x0be, 0x0bd, 0x074, 0x0cf, 0x0ba, 0x0b9, 0x094, 0x0cb, 0x0ce, + 0x0cd, 0x0bc, 0x0c8, 0x0ca, 0x0c9, 0x0b8, 0x0df, 0x0de, 0x0dd, 0x0cc, + 0x0db, 0x0da, 0x0d9, 0x0dc, 0x0d7, 0x0eb, 0x0d6, 0x0d8, 0x0e9, 0x0e8, + 0x0ea, 0x0d1, 0x0e7, 0x0e6, 0x0e5, 0x0e4, 0x04f, 0x000, 0x000, 0x000, + 0x06f, 0x04e, 0x000, 0x000, 0x06b, 0x05f, 0x04d, 0x000, 0x068, 0x05c, + 0x05e, 0x04c, 0x07f, 0x05a, 0x05b, 0x04b, 0x07b, 0x058, 0x059, 0x04a, + 0x079, 0x06e, 0x06d, 0x049, 0x078, 0x06a, 0x069, 0x048, 0x08f, 0x07e, + 0x07d, 0x05d, 0x08b, 0x08e, 0x07a, 0x06c, 0x09f, 0x08a, 0x08d, 0x07c, + 0x09b, 0x09e, 0x089, 0x08c, 0x098, 0x09a, 0x09d, 0x088, 0x0ad, 0x097, + 0x099, 0x09c, 0x0a9, 0x0ac, 0x0ab, 0x0aa, 0x0a5, 0x0a8, 0x0a7, 0x0a6, + 0x0a1, 0x0a4, 0x0a3, 0x0a2, 0x021, 0x000, 0x000, 0x000, 0x067, 0x011, + 0x000, 0x000, 0x064, 0x066, 0x031, 0x000, 0x063, 0x073, 0x072, 0x065, + 0x062, 0x083, 0x082, 0x070, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x011, 0x010, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x011, 0x021, 0x020, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x023, 0x022, 0x021, 0x020, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x023, 0x022, 0x021, 0x031, + 0x030, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x023, 0x022, 0x033, 0x032, 0x031, 0x030, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x023, 0x030, + 0x031, 0x033, 0x032, 0x035, 0x034, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x037, 0x036, 0x035, 0x034, 0x033, 0x032, + 0x031, 0x041, 0x051, 0x061, 0x071, 0x081, 0x091, 0x0a1, 0x0b1, 0x000, + 0x002, 0x000, 0x0e4, 0x011, 0x0f4, 0x002, 0x024, 0x003, 0x005, 0x012, + 0x034, 0x013, 0x065, 0x024, 0x013, 0x063, 0x015, 0x022, 0x075, 0x034, + 0x044, 0x023, 0x023, 0x073, 0x054, 0x033, 0x033, 0x004, 0x043, 0x014, + 0x011, 0x043, 0x014, 0x001, 0x025, 0x015, 0x035, 0x025, 0x064, 0x055, + 0x045, 0x035, 0x074, 0x065, 0x085, 0x0d5, 0x012, 0x095, 0x055, 0x045, + 0x095, 0x0e5, 0x084, 0x075, 0x022, 0x0a5, 0x094, 0x085, 0x032, 0x0b5, + 0x003, 0x0c5, 0x001, 0x044, 0x0a5, 0x032, 0x0b5, 0x094, 0x0c5, 0x0a4, + 0x0a4, 0x054, 0x0d5, 0x0b4, 0x0b4, 0x064, 0x0f5, 0x0f5, 0x053, 0x0d4, + 0x0e5, 0x0c4, 0x105, 0x105, 0x0c4, 0x074, 0x063, 0x0e4, 0x0d4, 0x084, + 0x073, 0x0f4, 0x004, 0x005, 0x000, 0x053, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x011, 0x021, 0x031, 0x030, 0x011, 0x021, 0x020, 0x000, + 0x011, 0x010, 0x000, 0x000, 0x011, 0x033, 0x032, 0x043, 0x042, 0x053, + 0x052, 0x063, 0x062, 0x073, 0x072, 0x083, 0x082, 0x093, 0x092, 0x091, + 0x037, 0x036, 0x035, 0x034, 0x033, 0x045, 0x044, 0x043, 0x042, 0x053, + 0x052, 0x063, 0x062, 0x061, 0x060, 0x000, 0x045, 0x037, 0x036, 0x035, + 0x044, 0x043, 0x034, 0x033, 0x042, 0x053, 0x052, 0x061, 0x051, 0x060, + 0x000, 0x000, 0x053, 0x037, 0x045, 0x044, 0x036, 0x035, 0x034, 0x043, + 0x033, 0x042, 0x052, 0x051, 0x050, 0x000, 0x000, 0x000, 0x045, 0x044, + 0x043, 0x037, 0x036, 0x035, 0x034, 0x033, 0x042, 0x051, 0x041, 0x050, + 0x000, 0x000, 0x000, 0x000, 0x061, 0x051, 0x037, 0x036, 0x035, 0x034, + 0x033, 0x032, 0x041, 0x031, 0x060, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x061, 0x051, 0x035, 0x034, 0x033, 0x023, 0x032, 0x041, 0x031, 0x060, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x061, 0x041, 0x051, 0x033, + 0x023, 0x022, 0x032, 0x031, 0x060, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x061, 0x060, 0x041, 0x023, 0x022, 0x031, 0x021, 0x051, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x051, 0x050, + 0x031, 0x023, 0x022, 0x021, 0x041, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x040, 0x041, 0x031, 0x032, 0x011, 0x033, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x040, 0x041, 0x021, 0x011, 0x031, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x030, 0x031, 0x011, 0x021, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x020, 0x021, 0x011, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x010, 0x011, + 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, + 0x000, 0x000, 0x000, 0x000 +}; + +static const unsigned int lambda_lookup_table[] = { + 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, + 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, + 0x0040, 0x0040, 0x0040, 0x0040, 0x0060, 0x0060, 0x0060, 0x0080, + 0x0080, 0x0080, 0x00a0, 0x00c0, 0x00c0, 0x00e0, 0x0100, 0x0120, + 0x0140, 0x0160, 0x01a0, 0x01c0, 0x0200, 0x0240, 0x0280, 0x02e0, + 0x0320, 0x03a0, 0x0400, 0x0480, 0x0500, 0x05a0, 0x0660, 0x0720, + 0x0800, 0x0900, 0x0a20, 0x0b60 +}; + +static const unsigned int intra4x4_lambda3[] = { + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 3, 3, 3, 4, + 4, 4, 5, 6, 6, 7, 8, 9, + 10, 11, 13, 14, 16, 18, 20, 23, + 25, 29, 32, 36, 40, 45, 51, 57, + 64, 72, 81, 91 +}; + +static v4l2_std_id tw5864_get_v4l2_std(enum tw5864_vid_std std); +static enum tw5864_vid_std tw5864_from_v4l2_std(v4l2_std_id v4l2_std); + +static void tw5864_handle_frame_task(unsigned long data); +static void tw5864_handle_frame(struct tw5864_h264_frame *frame); +static void tw5864_frame_interval_set(struct tw5864_input *input); + +static int tw5864_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, + unsigned int *num_planes, unsigned int sizes[], + struct device *alloc_ctxs[]) +{ + if (*num_planes) + return sizes[0] < H264_VLC_BUF_SIZE ? -EINVAL : 0; + + sizes[0] = H264_VLC_BUF_SIZE; + *num_planes = 1; + + return 0; +} + +static void tw5864_buf_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct vb2_queue *vq = vb->vb2_queue; + struct tw5864_input *dev = vb2_get_drv_priv(vq); + struct tw5864_buf *buf = container_of(vbuf, struct tw5864_buf, vb); + unsigned long flags; + + spin_lock_irqsave(&dev->slock, flags); + list_add_tail(&buf->list, &dev->active); + spin_unlock_irqrestore(&dev->slock, flags); +} + +static int tw5864_input_std_get(struct tw5864_input *input, + enum tw5864_vid_std *std) +{ + struct tw5864_dev *dev = input->root; + u8 std_reg = tw_indir_readb(TW5864_INDIR_VIN_E(input->nr)); + + *std = (std_reg & 0x70) >> 4; + + if (std_reg & 0x80) { + dev_dbg(&dev->pci->dev, + "Video format detection is in progress, please wait\n"); + return -EAGAIN; + } + + return 0; +} + +static int tw5864_enable_input(struct tw5864_input *input) +{ + struct tw5864_dev *dev = input->root; + int nr = input->nr; + unsigned long flags; + int d1_width = 720; + int d1_height; + int frame_width_bus_value = 0; + int frame_height_bus_value = 0; + int reg_frame_bus = 0x1c; + int fmt_reg_value = 0; + int downscale_enabled = 0; + + dev_dbg(&dev->pci->dev, "Enabling channel %d\n", nr); + + input->frame_seqno = 0; + input->frame_gop_seqno = 0; + input->h264_idr_pic_id = 0; + + input->reg_dsp_qp = input->qp; + input->reg_dsp_ref_mvp_lambda = lambda_lookup_table[input->qp]; + input->reg_dsp_i4x4_weight = intra4x4_lambda3[input->qp]; + input->reg_emu = TW5864_EMU_EN_LPF | TW5864_EMU_EN_BHOST + | TW5864_EMU_EN_SEN | TW5864_EMU_EN_ME | TW5864_EMU_EN_DDR; + input->reg_dsp = nr /* channel id */ + | TW5864_DSP_CHROM_SW + | ((0xa << 8) & TW5864_DSP_MB_DELAY) + ; + + input->resolution = D1; + + d1_height = (input->std == STD_NTSC) ? 480 : 576; + + input->width = d1_width; + input->height = d1_height; + + input->reg_interlacing = 0x4; + + switch (input->resolution) { + case D1: + frame_width_bus_value = 0x2cf; + frame_height_bus_value = input->height - 1; + reg_frame_bus = 0x1c; + fmt_reg_value = 0; + downscale_enabled = 0; + input->reg_dsp_codec |= TW5864_CIF_MAP_MD | TW5864_HD1_MAP_MD; + input->reg_emu |= TW5864_DSP_FRAME_TYPE_D1; + input->reg_interlacing = TW5864_DI_EN | TW5864_DSP_INTER_ST; + + tw_setl(TW5864_FULL_HALF_FLAG, 1 << nr); + break; + case HD1: + input->height /= 2; + input->width /= 2; + frame_width_bus_value = 0x2cf; + frame_height_bus_value = input->height * 2 - 1; + reg_frame_bus = 0x1c; + fmt_reg_value = 0; + downscale_enabled = 0; + input->reg_dsp_codec |= TW5864_HD1_MAP_MD; + input->reg_emu |= TW5864_DSP_FRAME_TYPE_D1; + + tw_clearl(TW5864_FULL_HALF_FLAG, 1 << nr); + + break; + case CIF: + input->height /= 4; + input->width /= 2; + frame_width_bus_value = 0x15f; + frame_height_bus_value = input->height * 2 - 1; + reg_frame_bus = 0x07; + fmt_reg_value = 1; + downscale_enabled = 1; + input->reg_dsp_codec |= TW5864_CIF_MAP_MD; + + tw_clearl(TW5864_FULL_HALF_FLAG, 1 << nr); + break; + case QCIF: + input->height /= 4; + input->width /= 4; + frame_width_bus_value = 0x15f; + frame_height_bus_value = input->height * 2 - 1; + reg_frame_bus = 0x07; + fmt_reg_value = 1; + downscale_enabled = 1; + input->reg_dsp_codec |= TW5864_CIF_MAP_MD; + + tw_clearl(TW5864_FULL_HALF_FLAG, 1 << nr); + break; + } + + /* analog input width / 4 */ + tw_indir_writeb(TW5864_INDIR_IN_PIC_WIDTH(nr), d1_width / 4); + tw_indir_writeb(TW5864_INDIR_IN_PIC_HEIGHT(nr), d1_height / 4); + + /* output width / 4 */ + tw_indir_writeb(TW5864_INDIR_OUT_PIC_WIDTH(nr), input->width / 4); + tw_indir_writeb(TW5864_INDIR_OUT_PIC_HEIGHT(nr), input->height / 4); + + tw_writel(TW5864_DSP_PIC_MAX_MB, + ((input->width / 16) << 8) | (input->height / 16)); + + tw_writel(TW5864_FRAME_WIDTH_BUS_A(nr), + frame_width_bus_value); + tw_writel(TW5864_FRAME_WIDTH_BUS_B(nr), + frame_width_bus_value); + tw_writel(TW5864_FRAME_HEIGHT_BUS_A(nr), + frame_height_bus_value); + tw_writel(TW5864_FRAME_HEIGHT_BUS_B(nr), + (frame_height_bus_value + 1) / 2 - 1); + + tw5864_frame_interval_set(input); + + if (downscale_enabled) + tw_setl(TW5864_H264EN_CH_DNS, 1 << nr); + + tw_mask_shift_writel(TW5864_H264EN_CH_FMT_REG1, 0x3, 2 * nr, + fmt_reg_value); + + tw_mask_shift_writel((nr < 2 + ? TW5864_H264EN_RATE_MAX_LINE_REG1 + : TW5864_H264EN_RATE_MAX_LINE_REG2), + 0x1f, 5 * (nr % 2), + input->std == STD_NTSC ? 29 : 24); + + tw_mask_shift_writel((nr < 2) ? TW5864_FRAME_BUS1 : + TW5864_FRAME_BUS2, 0xff, (nr % 2) * 8, + reg_frame_bus); + + spin_lock_irqsave(&dev->slock, flags); + input->enabled = 1; + spin_unlock_irqrestore(&dev->slock, flags); + + return 0; +} + +void tw5864_request_encoded_frame(struct tw5864_input *input) +{ + struct tw5864_dev *dev = input->root; + u32 enc_buf_id_new; + + tw_setl(TW5864_DSP_CODEC, TW5864_CIF_MAP_MD | TW5864_HD1_MAP_MD); + tw_writel(TW5864_EMU, input->reg_emu); + tw_writel(TW5864_INTERLACING, input->reg_interlacing); + tw_writel(TW5864_DSP, input->reg_dsp); + + tw_writel(TW5864_DSP_QP, input->reg_dsp_qp); + tw_writel(TW5864_DSP_REF_MVP_LAMBDA, input->reg_dsp_ref_mvp_lambda); + tw_writel(TW5864_DSP_I4x4_WEIGHT, input->reg_dsp_i4x4_weight); + tw_mask_shift_writel(TW5864_DSP_INTRA_MODE, TW5864_DSP_INTRA_MODE_MASK, + TW5864_DSP_INTRA_MODE_SHIFT, + TW5864_DSP_INTRA_MODE_16x16); + + if (input->frame_gop_seqno == 0) { + /* Produce I-frame */ + tw_writel(TW5864_MOTION_SEARCH_ETC, TW5864_INTRA_EN); + input->h264_idr_pic_id++; + input->h264_idr_pic_id &= TW5864_DSP_REF_FRM; + } else { + /* Produce P-frame */ + tw_writel(TW5864_MOTION_SEARCH_ETC, TW5864_INTRA_EN | + TW5864_ME_EN | BIT(5) /* SRCH_OPT default */); + } + tw5864_prepare_frame_headers(input); + tw_writel(TW5864_VLC, + TW5864_VLC_PCI_SEL | + ((input->tail_nb_bits + 24) << TW5864_VLC_BIT_ALIGN_SHIFT) | + input->reg_dsp_qp); + + enc_buf_id_new = tw_mask_shift_readl(TW5864_ENC_BUF_PTR_REC1, 0x3, + 2 * input->nr); + tw_writel(TW5864_DSP_ENC_ORG_PTR_REG, + enc_buf_id_new << TW5864_DSP_ENC_ORG_PTR_SHIFT); + tw_writel(TW5864_DSP_ENC_REC, + enc_buf_id_new << 12 | ((enc_buf_id_new + 3) & 3)); + + tw_writel(TW5864_SLICE, TW5864_START_NSLICE); + tw_writel(TW5864_SLICE, 0); +} + +static int tw5864_disable_input(struct tw5864_input *input) +{ + struct tw5864_dev *dev = input->root; + unsigned long flags; + + dev_dbg(&dev->pci->dev, "Disabling channel %d\n", input->nr); + + spin_lock_irqsave(&dev->slock, flags); + input->enabled = 0; + spin_unlock_irqrestore(&dev->slock, flags); + return 0; +} + +static int tw5864_start_streaming(struct vb2_queue *q, unsigned int count) +{ + struct tw5864_input *input = vb2_get_drv_priv(q); + int ret; + + ret = tw5864_enable_input(input); + if (!ret) + return 0; + + while (!list_empty(&input->active)) { + struct tw5864_buf *buf = list_entry(input->active.next, + struct tw5864_buf, list); + + list_del(&buf->list); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); + } + return ret; +} + +static void tw5864_stop_streaming(struct vb2_queue *q) +{ + unsigned long flags; + struct tw5864_input *input = vb2_get_drv_priv(q); + + tw5864_disable_input(input); + + spin_lock_irqsave(&input->slock, flags); + if (input->vb) { + vb2_buffer_done(&input->vb->vb.vb2_buf, VB2_BUF_STATE_ERROR); + input->vb = NULL; + } + while (!list_empty(&input->active)) { + struct tw5864_buf *buf = list_entry(input->active.next, + struct tw5864_buf, list); + + list_del(&buf->list); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + } + spin_unlock_irqrestore(&input->slock, flags); +} + +static const struct vb2_ops tw5864_video_qops = { + .queue_setup = tw5864_queue_setup, + .buf_queue = tw5864_buf_queue, + .start_streaming = tw5864_start_streaming, + .stop_streaming = tw5864_stop_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, +}; + +static int tw5864_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct tw5864_input *input = + container_of(ctrl->handler, struct tw5864_input, hdl); + struct tw5864_dev *dev = input->root; + unsigned long flags; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + tw_indir_writeb(TW5864_INDIR_VIN_A_BRIGHT(input->nr), + (u8)ctrl->val); + break; + case V4L2_CID_HUE: + tw_indir_writeb(TW5864_INDIR_VIN_7_HUE(input->nr), + (u8)ctrl->val); + break; + case V4L2_CID_CONTRAST: + tw_indir_writeb(TW5864_INDIR_VIN_9_CNTRST(input->nr), + (u8)ctrl->val); + break; + case V4L2_CID_SATURATION: + tw_indir_writeb(TW5864_INDIR_VIN_B_SAT_U(input->nr), + (u8)ctrl->val); + tw_indir_writeb(TW5864_INDIR_VIN_C_SAT_V(input->nr), + (u8)ctrl->val); + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + input->gop = ctrl->val; + return 0; + case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: + spin_lock_irqsave(&input->slock, flags); + input->qp = ctrl->val; + input->reg_dsp_qp = input->qp; + input->reg_dsp_ref_mvp_lambda = lambda_lookup_table[input->qp]; + input->reg_dsp_i4x4_weight = intra4x4_lambda3[input->qp]; + spin_unlock_irqrestore(&input->slock, flags); + return 0; + case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: + memset(input->md_threshold_grid_values, ctrl->val, + sizeof(input->md_threshold_grid_values)); + return 0; + case V4L2_CID_DETECT_MD_MODE: + return 0; + case V4L2_CID_DETECT_MD_THRESHOLD_GRID: + /* input->md_threshold_grid_ctrl->p_new.p_u16 contains data */ + memcpy(input->md_threshold_grid_values, + input->md_threshold_grid_ctrl->p_new.p_u16, + sizeof(input->md_threshold_grid_values)); + return 0; + } + return 0; +} + +static int tw5864_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct tw5864_input *input = video_drvdata(file); + + f->fmt.pix.width = 720; + switch (input->std) { + default: + WARN_ON_ONCE(1); + case STD_NTSC: + f->fmt.pix.height = 480; + break; + case STD_PAL: + case STD_SECAM: + f->fmt.pix.height = 576; + break; + } + f->fmt.pix.field = V4L2_FIELD_INTERLACED; + f->fmt.pix.pixelformat = V4L2_PIX_FMT_H264; + f->fmt.pix.sizeimage = H264_VLC_BUF_SIZE; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + return 0; +} + +static int tw5864_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + struct tw5864_input *input = video_drvdata(file); + struct tw5864_dev *dev = input->root; + + u8 indir_0x000 = tw_indir_readb(TW5864_INDIR_VIN_0(input->nr)); + u8 indir_0x00d = tw_indir_readb(TW5864_INDIR_VIN_D(input->nr)); + u8 v1 = indir_0x000; + u8 v2 = indir_0x00d; + + if (i->index) + return -EINVAL; + + i->type = V4L2_INPUT_TYPE_CAMERA; + snprintf(i->name, sizeof(i->name), "Encoder %d", input->nr); + i->std = TW5864_NORMS; + if (v1 & (1 << 7)) + i->status |= V4L2_IN_ST_NO_SYNC; + if (!(v1 & (1 << 6))) + i->status |= V4L2_IN_ST_NO_H_LOCK; + if (v1 & (1 << 2)) + i->status |= V4L2_IN_ST_NO_SIGNAL; + if (v1 & (1 << 1)) + i->status |= V4L2_IN_ST_NO_COLOR; + if (v2 & (1 << 2)) + i->status |= V4L2_IN_ST_MACROVISION; + + return 0; +} + +static int tw5864_g_input(struct file *file, void *priv, unsigned int *i) +{ + *i = 0; + return 0; +} + +static int tw5864_s_input(struct file *file, void *priv, unsigned int i) +{ + if (i) + return -EINVAL; + return 0; +} + +static int tw5864_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct tw5864_input *input = video_drvdata(file); + + strcpy(cap->driver, "tw5864"); + snprintf(cap->card, sizeof(cap->card), "TW5864 Encoder %d", + input->nr); + sprintf(cap->bus_info, "PCI:%s", pci_name(input->root->pci)); + return 0; +} + +static int tw5864_querystd(struct file *file, void *priv, v4l2_std_id *std) +{ + struct tw5864_input *input = video_drvdata(file); + enum tw5864_vid_std tw_std; + int ret; + + ret = tw5864_input_std_get(input, &tw_std); + if (ret) + return ret; + *std = tw5864_get_v4l2_std(tw_std); + + return 0; +} + +static int tw5864_g_std(struct file *file, void *priv, v4l2_std_id *std) +{ + struct tw5864_input *input = video_drvdata(file); + + *std = input->v4l2_std; + return 0; +} + +static int tw5864_s_std(struct file *file, void *priv, v4l2_std_id std) +{ + struct tw5864_input *input = video_drvdata(file); + struct tw5864_dev *dev = input->root; + + input->v4l2_std = std; + input->std = tw5864_from_v4l2_std(std); + tw_indir_writeb(TW5864_INDIR_VIN_E(input->nr), input->std); + return 0; +} + +static int tw5864_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (f->index) + return -EINVAL; + + f->pixelformat = V4L2_PIX_FMT_H264; + + return 0; +} + +static int tw5864_subscribe_event(struct v4l2_fh *fh, + const struct v4l2_event_subscription *sub) +{ + switch (sub->type) { + case V4L2_EVENT_CTRL: + return v4l2_ctrl_subscribe_event(fh, sub); + case V4L2_EVENT_MOTION_DET: + /* + * Allow for up to 30 events (1 second for NTSC) to be stored. + */ + return v4l2_event_subscribe(fh, sub, 30, NULL); + } + return -EINVAL; +} + +static void tw5864_frame_interval_set(struct tw5864_input *input) +{ + /* + * This register value seems to follow such approach: In each second + * interval, when processing Nth frame, it checks Nth bit of register + * value and, if the bit is 1, it processes the frame, otherwise the + * frame is discarded. + * So unary representation would work, but more or less equal gaps + * between the frames should be preserved. + * + * For 1 FPS - 0x00000001 + * 00000000 00000000 00000000 00000001 + * + * For max FPS - set all 25/30 lower bits: + * 00111111 11111111 11111111 11111111 (NTSC) + * 00000001 11111111 11111111 11111111 (PAL) + * + * For half of max FPS - use such pattern: + * 00010101 01010101 01010101 01010101 (NTSC) + * 00000001 01010101 01010101 01010101 (PAL) + * + * Et cetera. + * + * The value supplied to hardware is capped by mask of 25/30 lower bits. + */ + struct tw5864_dev *dev = input->root; + u32 unary_framerate = 0; + int shift = 0; + int std_max_fps = input->std == STD_NTSC ? 30 : 25; + + for (shift = 0; shift < std_max_fps; shift += input->frame_interval) + unary_framerate |= 0x00000001 << shift; + + tw_writel(TW5864_H264EN_RATE_CNTL_LO_WORD(input->nr, 0), + unary_framerate >> 16); + tw_writel(TW5864_H264EN_RATE_CNTL_HI_WORD(input->nr, 0), + unary_framerate & 0xffff); +} + +static int tw5864_frameinterval_get(struct tw5864_input *input, + struct v4l2_fract *frameinterval) +{ + switch (input->std) { + case STD_NTSC: + frameinterval->numerator = 1001; + frameinterval->denominator = 30000; + break; + case STD_PAL: + case STD_SECAM: + frameinterval->numerator = 1; + frameinterval->denominator = 25; + break; + default: + WARN(1, "tw5864_frameinterval_get requested for unknown std %d\n", + input->std); + return -EINVAL; + } + + return 0; +} + +static int tw5864_enum_framesizes(struct file *file, void *priv, + struct v4l2_frmsizeenum *fsize) +{ + struct tw5864_input *input = video_drvdata(file); + + if (fsize->index > 0) + return -EINVAL; + if (fsize->pixel_format != V4L2_PIX_FMT_H264) + return -EINVAL; + + fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fsize->discrete.width = 720; + fsize->discrete.height = input->std == STD_NTSC ? 480 : 576; + + return 0; +} + +static int tw5864_enum_frameintervals(struct file *file, void *priv, + struct v4l2_frmivalenum *fintv) +{ + struct tw5864_input *input = video_drvdata(file); + struct v4l2_fract frameinterval; + int std_max_fps = input->std == STD_NTSC ? 30 : 25; + struct v4l2_frmsizeenum fsize = { .index = fintv->index, + .pixel_format = fintv->pixel_format }; + int ret; + + ret = tw5864_enum_framesizes(file, priv, &fsize); + if (ret) + return ret; + + if (fintv->width != fsize.discrete.width || + fintv->height != fsize.discrete.height) + return -EINVAL; + + fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; + + ret = tw5864_frameinterval_get(input, &frameinterval); + fintv->stepwise.step = frameinterval; + fintv->stepwise.min = frameinterval; + fintv->stepwise.max = frameinterval; + fintv->stepwise.max.numerator *= std_max_fps; + + return ret; +} + +static int tw5864_g_parm(struct file *file, void *priv, + struct v4l2_streamparm *sp) +{ + struct tw5864_input *input = video_drvdata(file); + struct v4l2_captureparm *cp = &sp->parm.capture; + int ret; + + cp->capability = V4L2_CAP_TIMEPERFRAME; + + ret = tw5864_frameinterval_get(input, &cp->timeperframe); + cp->timeperframe.numerator *= input->frame_interval; + cp->capturemode = 0; + cp->readbuffers = 2; + + return ret; +} + +static int tw5864_s_parm(struct file *file, void *priv, + struct v4l2_streamparm *sp) +{ + struct tw5864_input *input = video_drvdata(file); + struct v4l2_fract *t = &sp->parm.capture.timeperframe; + struct v4l2_fract time_base; + int ret; + + ret = tw5864_frameinterval_get(input, &time_base); + if (ret) + return ret; + + if (!t->numerator || !t->denominator) { + t->numerator = time_base.numerator * input->frame_interval; + t->denominator = time_base.denominator; + } else if (t->denominator != time_base.denominator) { + t->numerator = t->numerator * time_base.denominator / + t->denominator; + t->denominator = time_base.denominator; + } + + input->frame_interval = t->numerator / time_base.numerator; + if (input->frame_interval < 1) + input->frame_interval = 1; + tw5864_frame_interval_set(input); + return tw5864_g_parm(file, priv, sp); +} + +static const struct v4l2_ctrl_ops tw5864_ctrl_ops = { + .s_ctrl = tw5864_s_ctrl, +}; + +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = v4l2_fh_open, + .release = vb2_fop_release, + .read = vb2_fop_read, + .poll = vb2_fop_poll, + .mmap = vb2_fop_mmap, + .unlocked_ioctl = video_ioctl2, +}; + +#ifdef CONFIG_VIDEO_ADV_DEBUG + +#define INDIR_SPACE_MAP_SHIFT 0x100000 + +static int tw5864_g_reg(struct file *file, void *fh, + struct v4l2_dbg_register *reg) +{ + struct tw5864_input *input = video_drvdata(file); + struct tw5864_dev *dev = input->root; + + if (reg->reg < INDIR_SPACE_MAP_SHIFT) { + if (reg->reg > 0x87fff) + return -EINVAL; + reg->size = 4; + reg->val = tw_readl(reg->reg); + } else { + __u64 indir_addr = reg->reg - INDIR_SPACE_MAP_SHIFT; + + if (indir_addr > 0xefe) + return -EINVAL; + reg->size = 1; + reg->val = tw_indir_readb(reg->reg); + } + return 0; +} + +static int tw5864_s_reg(struct file *file, void *fh, + const struct v4l2_dbg_register *reg) +{ + struct tw5864_input *input = video_drvdata(file); + struct tw5864_dev *dev = input->root; + + if (reg->reg < INDIR_SPACE_MAP_SHIFT) { + if (reg->reg > 0x87fff) + return -EINVAL; + tw_writel(reg->reg, reg->val); + } else { + __u64 indir_addr = reg->reg - INDIR_SPACE_MAP_SHIFT; + + if (indir_addr > 0xefe) + return -EINVAL; + tw_indir_writeb(reg->reg, reg->val); + } + return 0; +} +#endif + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = tw5864_querycap, + .vidioc_enum_fmt_vid_cap = tw5864_enum_fmt_vid_cap, + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_create_bufs = vb2_ioctl_create_bufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, + .vidioc_querystd = tw5864_querystd, + .vidioc_s_std = tw5864_s_std, + .vidioc_g_std = tw5864_g_std, + .vidioc_enum_input = tw5864_enum_input, + .vidioc_g_input = tw5864_g_input, + .vidioc_s_input = tw5864_s_input, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, + .vidioc_try_fmt_vid_cap = tw5864_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = tw5864_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = tw5864_fmt_vid_cap, + .vidioc_log_status = v4l2_ctrl_log_status, + .vidioc_subscribe_event = tw5864_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, + .vidioc_enum_framesizes = tw5864_enum_framesizes, + .vidioc_enum_frameintervals = tw5864_enum_frameintervals, + .vidioc_s_parm = tw5864_s_parm, + .vidioc_g_parm = tw5864_g_parm, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = tw5864_g_reg, + .vidioc_s_register = tw5864_s_reg, +#endif +}; + +static const struct video_device tw5864_video_template = { + .name = "tw5864_video", + .fops = &video_fops, + .ioctl_ops = &video_ioctl_ops, + .release = video_device_release_empty, + .tvnorms = TW5864_NORMS, + .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING, +}; + +/* Motion Detection Threshold matrix */ +static const struct v4l2_ctrl_config tw5864_md_thresholds = { + .ops = &tw5864_ctrl_ops, + .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, + .dims = {MD_CELLS_HOR, MD_CELLS_VERT}, + .def = 14, + /* See tw5864_md_metric_from_mvd() */ + .max = 2 * 0x0f, + .step = 1, +}; + +static int tw5864_video_input_init(struct tw5864_input *dev, int video_nr); +static void tw5864_video_input_fini(struct tw5864_input *dev); +static void tw5864_encoder_tables_upload(struct tw5864_dev *dev); + +int tw5864_video_init(struct tw5864_dev *dev, int *video_nr) +{ + int i; + int ret; + unsigned long flags; + int last_dma_allocated = -1; + int last_input_nr_registered = -1; + + for (i = 0; i < H264_BUF_CNT; i++) { + struct tw5864_h264_frame *frame = &dev->h264_buf[i]; + + frame->vlc.addr = dma_alloc_coherent(&dev->pci->dev, + H264_VLC_BUF_SIZE, + &frame->vlc.dma_addr, + GFP_KERNEL | GFP_DMA32); + if (!frame->vlc.addr) { + dev_err(&dev->pci->dev, "dma alloc fail\n"); + ret = -ENOMEM; + goto free_dma; + } + frame->mv.addr = dma_alloc_coherent(&dev->pci->dev, + H264_MV_BUF_SIZE, + &frame->mv.dma_addr, + GFP_KERNEL | GFP_DMA32); + if (!frame->mv.addr) { + dev_err(&dev->pci->dev, "dma alloc fail\n"); + ret = -ENOMEM; + dma_free_coherent(&dev->pci->dev, H264_VLC_BUF_SIZE, + frame->vlc.addr, frame->vlc.dma_addr); + goto free_dma; + } + last_dma_allocated = i; + } + + tw5864_encoder_tables_upload(dev); + + /* Picture is distorted without this block */ + /* use falling edge to sample 54M to 108M */ + tw_indir_writeb(TW5864_INDIR_VD_108_POL, TW5864_INDIR_VD_108_POL_BOTH); + tw_indir_writeb(TW5864_INDIR_CLK0_SEL, 0x00); + + tw_indir_writeb(TW5864_INDIR_DDRA_DLL_DQS_SEL0, 0x02); + tw_indir_writeb(TW5864_INDIR_DDRA_DLL_DQS_SEL1, 0x02); + tw_indir_writeb(TW5864_INDIR_DDRA_DLL_CLK90_SEL, 0x02); + tw_indir_writeb(TW5864_INDIR_DDRB_DLL_DQS_SEL0, 0x02); + tw_indir_writeb(TW5864_INDIR_DDRB_DLL_DQS_SEL1, 0x02); + tw_indir_writeb(TW5864_INDIR_DDRB_DLL_CLK90_SEL, 0x02); + + /* video input reset */ + tw_indir_writeb(TW5864_INDIR_RESET, 0); + tw_indir_writeb(TW5864_INDIR_RESET, TW5864_INDIR_RESET_VD | + TW5864_INDIR_RESET_DLL | TW5864_INDIR_RESET_MUX_CORE); + msleep(20); + + /* + * Select Part A mode for all channels. + * tw_setl instead of tw_clearl for Part B mode. + * + * I guess "Part B" is primarily for downscaled version of same channel + * which goes in Part A of same bus + */ + tw_writel(TW5864_FULL_HALF_MODE_SEL, 0); + + tw_indir_writeb(TW5864_INDIR_PV_VD_CK_POL, + TW5864_INDIR_PV_VD_CK_POL_VD(0) | + TW5864_INDIR_PV_VD_CK_POL_VD(1) | + TW5864_INDIR_PV_VD_CK_POL_VD(2) | + TW5864_INDIR_PV_VD_CK_POL_VD(3)); + + spin_lock_irqsave(&dev->slock, flags); + dev->encoder_busy = 0; + dev->h264_buf_r_index = 0; + dev->h264_buf_w_index = 0; + tw_writel(TW5864_VLC_STREAM_BASE_ADDR, + dev->h264_buf[dev->h264_buf_w_index].vlc.dma_addr); + tw_writel(TW5864_MV_STREAM_BASE_ADDR, + dev->h264_buf[dev->h264_buf_w_index].mv.dma_addr); + spin_unlock_irqrestore(&dev->slock, flags); + + tw_writel(TW5864_SEN_EN_CH, 0x000f); + tw_writel(TW5864_H264EN_CH_EN, 0x000f); + + tw_writel(TW5864_H264EN_BUS0_MAP, 0x00000000); + tw_writel(TW5864_H264EN_BUS1_MAP, 0x00001111); + tw_writel(TW5864_H264EN_BUS2_MAP, 0x00002222); + tw_writel(TW5864_H264EN_BUS3_MAP, 0x00003333); + + /* + * Quote from Intersil (manufacturer): + * 0x0038 is managed by HW, and by default it won't pass the pointer set + * at 0x0010. So if you don't do encoding, 0x0038 should stay at '3' + * (with 4 frames in buffer). If you encode one frame and then move + * 0x0010 to '1' for example, HW will take one more frame and set it to + * buffer #0, and then you should see 0x0038 is set to '0'. There is + * only one HW encoder engine, so 4 channels cannot get encoded + * simultaneously. But each channel does have its own buffer (for + * original frames and reconstructed frames). So there is no problem to + * manage encoding for 4 channels at same time and no need to force + * I-frames in switching channels. + * End of quote. + * + * If we set 0x0010 (TW5864_ENC_BUF_PTR_REC1) to 0 (for any channel), we + * have no "rolling" (until we change this value). + * If we set 0x0010 (TW5864_ENC_BUF_PTR_REC1) to 0x3, it starts to roll + * continuously together with 0x0038. + */ + tw_writel(TW5864_ENC_BUF_PTR_REC1, 0x00ff); + tw_writel(TW5864_PCI_INTTM_SCALE, 0); + + tw_writel(TW5864_INTERLACING, TW5864_DI_EN); + tw_writel(TW5864_MASTER_ENB_REG, TW5864_PCI_VLC_INTR_ENB); + tw_writel(TW5864_PCI_INTR_CTL, + TW5864_TIMER_INTR_ENB | TW5864_PCI_MAST_ENB | + TW5864_MVD_VLC_MAST_ENB); + + dev->irqmask |= TW5864_INTR_VLC_DONE | TW5864_INTR_TIMER; + tw5864_irqmask_apply(dev); + + tasklet_init(&dev->tasklet, tw5864_handle_frame_task, + (unsigned long)dev); + + for (i = 0; i < TW5864_INPUTS; i++) { + dev->inputs[i].root = dev; + dev->inputs[i].nr = i; + ret = tw5864_video_input_init(&dev->inputs[i], video_nr[i]); + if (ret) + goto fini_video_inputs; + last_input_nr_registered = i; + } + + return 0; + +fini_video_inputs: + for (i = last_input_nr_registered; i >= 0; i--) + tw5864_video_input_fini(&dev->inputs[i]); + + tasklet_kill(&dev->tasklet); + +free_dma: + for (i = last_dma_allocated; i >= 0; i--) { + dma_free_coherent(&dev->pci->dev, H264_VLC_BUF_SIZE, + dev->h264_buf[i].vlc.addr, + dev->h264_buf[i].vlc.dma_addr); + dma_free_coherent(&dev->pci->dev, H264_MV_BUF_SIZE, + dev->h264_buf[i].mv.addr, + dev->h264_buf[i].mv.dma_addr); + } + + return ret; +} + +static int tw5864_video_input_init(struct tw5864_input *input, int video_nr) +{ + struct tw5864_dev *dev = input->root; + int ret; + struct v4l2_ctrl_handler *hdl = &input->hdl; + + mutex_init(&input->lock); + spin_lock_init(&input->slock); + + /* setup video buffers queue */ + INIT_LIST_HEAD(&input->active); + input->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + input->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + input->vidq.io_modes = VB2_MMAP | VB2_READ | VB2_DMABUF; + input->vidq.ops = &tw5864_video_qops; + input->vidq.mem_ops = &vb2_dma_contig_memops; + input->vidq.drv_priv = input; + input->vidq.gfp_flags = 0; + input->vidq.buf_struct_size = sizeof(struct tw5864_buf); + input->vidq.lock = &input->lock; + input->vidq.min_buffers_needed = 2; + input->vidq.dev = &input->root->pci->dev; + ret = vb2_queue_init(&input->vidq); + if (ret) + goto free_mutex; + + input->vdev = tw5864_video_template; + input->vdev.v4l2_dev = &input->root->v4l2_dev; + input->vdev.lock = &input->lock; + input->vdev.queue = &input->vidq; + video_set_drvdata(&input->vdev, input); + + /* Initialize the device control structures */ + v4l2_ctrl_handler_init(hdl, 6); + v4l2_ctrl_new_std(hdl, &tw5864_ctrl_ops, + V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &tw5864_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 100); + v4l2_ctrl_new_std(hdl, &tw5864_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &tw5864_ctrl_ops, V4L2_CID_HUE, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &tw5864_ctrl_ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE, + 1, MAX_GOP_SIZE, 1, GOP_SIZE); + v4l2_ctrl_new_std(hdl, &tw5864_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 28, 51, 1, QP_VALUE); + v4l2_ctrl_new_std_menu(hdl, &tw5864_ctrl_ops, + V4L2_CID_DETECT_MD_MODE, + V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, + V4L2_DETECT_MD_MODE_DISABLED); + v4l2_ctrl_new_std(hdl, &tw5864_ctrl_ops, + V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, + tw5864_md_thresholds.min, tw5864_md_thresholds.max, + tw5864_md_thresholds.step, tw5864_md_thresholds.def); + input->md_threshold_grid_ctrl = + v4l2_ctrl_new_custom(hdl, &tw5864_md_thresholds, NULL); + if (hdl->error) { + ret = hdl->error; + goto free_v4l2_hdl; + } + input->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_setup(hdl); + + input->qp = QP_VALUE; + input->gop = GOP_SIZE; + input->frame_interval = 1; + + ret = video_register_device(&input->vdev, VFL_TYPE_GRABBER, video_nr); + if (ret) + goto free_v4l2_hdl; + + dev_info(&input->root->pci->dev, "Registered video device %s\n", + video_device_node_name(&input->vdev)); + + /* + * Set default video standard. Doesn't matter which, the detected value + * will be found out by VIDIOC_QUERYSTD handler. + */ + input->v4l2_std = V4L2_STD_NTSC_M; + input->std = STD_NTSC; + + tw_indir_writeb(TW5864_INDIR_VIN_E(video_nr), 0x07); + /* to initiate auto format recognition */ + tw_indir_writeb(TW5864_INDIR_VIN_F(video_nr), 0xff); + + return 0; + +free_v4l2_hdl: + v4l2_ctrl_handler_free(hdl); + vb2_queue_release(&input->vidq); +free_mutex: + mutex_destroy(&input->lock); + + return ret; +} + +static void tw5864_video_input_fini(struct tw5864_input *dev) +{ + video_unregister_device(&dev->vdev); + v4l2_ctrl_handler_free(&dev->hdl); + vb2_queue_release(&dev->vidq); +} + +void tw5864_video_fini(struct tw5864_dev *dev) +{ + int i; + + tasklet_kill(&dev->tasklet); + + for (i = 0; i < TW5864_INPUTS; i++) + tw5864_video_input_fini(&dev->inputs[i]); + + for (i = 0; i < H264_BUF_CNT; i++) { + dma_free_coherent(&dev->pci->dev, H264_VLC_BUF_SIZE, + dev->h264_buf[i].vlc.addr, + dev->h264_buf[i].vlc.dma_addr); + dma_free_coherent(&dev->pci->dev, H264_MV_BUF_SIZE, + dev->h264_buf[i].mv.addr, + dev->h264_buf[i].mv.dma_addr); + } +} + +void tw5864_prepare_frame_headers(struct tw5864_input *input) +{ + struct tw5864_buf *vb = input->vb; + u8 *dst; + size_t dst_space; + unsigned long flags; + + if (!vb) { + spin_lock_irqsave(&input->slock, flags); + if (list_empty(&input->active)) { + spin_unlock_irqrestore(&input->slock, flags); + input->vb = NULL; + return; + } + vb = list_first_entry(&input->active, struct tw5864_buf, list); + list_del(&vb->list); + spin_unlock_irqrestore(&input->slock, flags); + } + + dst = vb2_plane_vaddr(&vb->vb.vb2_buf, 0); + dst_space = vb2_plane_size(&vb->vb.vb2_buf, 0); + + /* + * Low-level bitstream writing functions don't have a fine way to say + * correctly that supplied buffer is too small. So we just check there + * and warn, and don't care at lower level. + * Currently all headers take below 32 bytes. + * The buffer is supposed to have plenty of free space at this point, + * anyway. + */ + if (WARN_ON_ONCE(dst_space < 128)) + return; + + /* + * Generate H264 headers: + * If this is first frame, put SPS and PPS + */ + if (input->frame_gop_seqno == 0) + tw5864_h264_put_stream_header(&dst, &dst_space, input->qp, + input->width, input->height); + + /* Put slice header */ + tw5864_h264_put_slice_header(&dst, &dst_space, input->h264_idr_pic_id, + input->frame_gop_seqno, + &input->tail_nb_bits, &input->tail); + input->vb = vb; + input->buf_cur_ptr = dst; + input->buf_cur_space_left = dst_space; +} + +/* + * Returns heuristic motion detection metric value from known components of + * hardware-provided Motion Vector Data. + */ +static unsigned int tw5864_md_metric_from_mvd(u32 mvd) +{ + /* + * Format of motion vector data exposed by tw5864, according to + * manufacturer: + * mv_x 10 bits + * mv_y 10 bits + * non_zero_members 8 bits + * mb_type 3 bits + * reserved 1 bit + * + * non_zero_members: number of non-zero residuals in each macro block + * after quantization + * + * unsigned int reserved = mvd >> 31; + * unsigned int mb_type = (mvd >> 28) & 0x7; + * unsigned int non_zero_members = (mvd >> 20) & 0xff; + */ + unsigned int mv_y = (mvd >> 10) & 0x3ff; + unsigned int mv_x = mvd & 0x3ff; + + /* heuristic: */ + mv_x &= 0x0f; + mv_y &= 0x0f; + + return mv_y + mv_x; +} + +static int tw5864_is_motion_triggered(struct tw5864_h264_frame *frame) +{ + struct tw5864_input *input = frame->input; + u32 *mv = (u32 *)frame->mv.addr; + int i; + int detected = 0; + + for (i = 0; i < MD_CELLS; i++) { + const u16 thresh = input->md_threshold_grid_values[i]; + const unsigned int metric = tw5864_md_metric_from_mvd(mv[i]); + + if (metric > thresh) + detected = 1; + + if (detected) + break; + } + return detected; +} + +static void tw5864_handle_frame_task(unsigned long data) +{ + struct tw5864_dev *dev = (struct tw5864_dev *)data; + unsigned long flags; + int batch_size = H264_BUF_CNT; + + spin_lock_irqsave(&dev->slock, flags); + while (dev->h264_buf_r_index != dev->h264_buf_w_index && batch_size--) { + struct tw5864_h264_frame *frame = + &dev->h264_buf[dev->h264_buf_r_index]; + + spin_unlock_irqrestore(&dev->slock, flags); + dma_sync_single_for_cpu(&dev->pci->dev, frame->vlc.dma_addr, + H264_VLC_BUF_SIZE, DMA_FROM_DEVICE); + dma_sync_single_for_cpu(&dev->pci->dev, frame->mv.dma_addr, + H264_MV_BUF_SIZE, DMA_FROM_DEVICE); + tw5864_handle_frame(frame); + dma_sync_single_for_device(&dev->pci->dev, frame->vlc.dma_addr, + H264_VLC_BUF_SIZE, DMA_FROM_DEVICE); + dma_sync_single_for_device(&dev->pci->dev, frame->mv.dma_addr, + H264_MV_BUF_SIZE, DMA_FROM_DEVICE); + spin_lock_irqsave(&dev->slock, flags); + + dev->h264_buf_r_index++; + dev->h264_buf_r_index %= H264_BUF_CNT; + } + spin_unlock_irqrestore(&dev->slock, flags); +} + +#ifdef DEBUG +static u32 tw5864_vlc_checksum(u32 *data, int len) +{ + u32 val, count_len = len; + + val = *data++; + while (((count_len >> 2) - 1) > 0) { + val ^= *data++; + count_len -= 4; + } + val ^= htonl((len >> 2)); + return val; +} +#endif + +static void tw5864_handle_frame(struct tw5864_h264_frame *frame) +{ +#define SKIP_VLCBUF_BYTES 3 + struct tw5864_input *input = frame->input; + struct tw5864_dev *dev = input->root; + struct tw5864_buf *vb; + struct vb2_v4l2_buffer *v4l2_buf; + int frame_len = frame->vlc_len - SKIP_VLCBUF_BYTES; + u8 *dst = input->buf_cur_ptr; + u8 tail_mask, vlc_mask = 0; + int i; + u8 vlc_first_byte = ((u8 *)(frame->vlc.addr + SKIP_VLCBUF_BYTES))[0]; + unsigned long flags; + int zero_run; + u8 *src; + u8 *src_end; + +#ifdef DEBUG + if (frame->checksum != + tw5864_vlc_checksum((u32 *)frame->vlc.addr, frame_len)) + dev_err(&dev->pci->dev, + "Checksum of encoded frame doesn't match!\n"); +#endif + + spin_lock_irqsave(&input->slock, flags); + vb = input->vb; + input->vb = NULL; + spin_unlock_irqrestore(&input->slock, flags); + + v4l2_buf = to_vb2_v4l2_buffer(&vb->vb.vb2_buf); + + if (!vb) { /* Gone because of disabling */ + dev_dbg(&dev->pci->dev, "vb is empty, dropping frame\n"); + return; + } + + /* + * Check for space. + * Mind the overhead of startcode emulation prevention. + */ + if (input->buf_cur_space_left < frame_len * 5 / 4) { + dev_err_once(&dev->pci->dev, + "Left space in vb2 buffer, %d bytes, is less than considered safely enough to put frame of length %d. Dropping this frame.\n", + input->buf_cur_space_left, frame_len); + return; + } + + for (i = 0; i < 8 - input->tail_nb_bits; i++) + vlc_mask |= 1 << i; + tail_mask = (~vlc_mask) & 0xff; + + dst[0] = (input->tail & tail_mask) | (vlc_first_byte & vlc_mask); + frame_len--; + dst++; + + /* H.264 startcode emulation prevention */ + src = frame->vlc.addr + SKIP_VLCBUF_BYTES + 1; + src_end = src + frame_len; + zero_run = 0; + for (; src < src_end; src++) { + if (zero_run < 2) { + if (*src == 0) + ++zero_run; + else + zero_run = 0; + } else { + if ((*src & ~0x03) == 0) + *dst++ = 0x03; + zero_run = *src == 0; + } + *dst++ = *src; + } + + vb2_set_plane_payload(&vb->vb.vb2_buf, 0, + dst - (u8 *)vb2_plane_vaddr(&vb->vb.vb2_buf, 0)); + + vb->vb.vb2_buf.timestamp = frame->timestamp; + v4l2_buf->field = V4L2_FIELD_INTERLACED; + v4l2_buf->sequence = frame->seqno; + + /* Check for motion flags */ + if (frame->gop_seqno /* P-frame */ && + tw5864_is_motion_triggered(frame)) { + struct v4l2_event ev = { + .type = V4L2_EVENT_MOTION_DET, + .u.motion_det = { + .flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, + .frame_sequence = v4l2_buf->sequence, + }, + }; + + v4l2_event_queue(&input->vdev, &ev); + } + + vb2_buffer_done(&vb->vb.vb2_buf, VB2_BUF_STATE_DONE); +} + +static v4l2_std_id tw5864_get_v4l2_std(enum tw5864_vid_std std) +{ + switch (std) { + case STD_NTSC: return V4L2_STD_NTSC_M; + case STD_PAL: return V4L2_STD_PAL_B; + case STD_SECAM: return V4L2_STD_SECAM_B; + case STD_NTSC443: return V4L2_STD_NTSC_443; + case STD_PAL_M: return V4L2_STD_PAL_M; + case STD_PAL_CN: return V4L2_STD_PAL_Nc; + case STD_PAL_60: return V4L2_STD_PAL_60; + case STD_INVALID: return V4L2_STD_UNKNOWN; + } + return 0; +} + +static enum tw5864_vid_std tw5864_from_v4l2_std(v4l2_std_id v4l2_std) +{ + if (v4l2_std & V4L2_STD_NTSC_M) + return STD_NTSC; + if (v4l2_std & V4L2_STD_PAL_B) + return STD_PAL; + if (v4l2_std & V4L2_STD_SECAM_B) + return STD_SECAM; + if (v4l2_std & V4L2_STD_NTSC_443) + return STD_NTSC443; + if (v4l2_std & V4L2_STD_PAL_M) + return STD_PAL_M; + if (v4l2_std & V4L2_STD_PAL_Nc) + return STD_PAL_CN; + if (v4l2_std & V4L2_STD_PAL_60) + return STD_PAL_60; + + return STD_INVALID; +} + +static void tw5864_encoder_tables_upload(struct tw5864_dev *dev) +{ + int i; + + tw_writel(TW5864_VLC_RD, 0x1); + for (i = 0; i < VLC_LOOKUP_TABLE_LEN; i++) { + tw_writel((TW5864_VLC_STREAM_MEM_START + i * 4), + encoder_vlc_lookup_table[i]); + } + tw_writel(TW5864_VLC_RD, 0x0); + + for (i = 0; i < QUANTIZATION_TABLE_LEN; i++) { + tw_writel((TW5864_QUAN_TAB + i * 4), + forward_quantization_table[i]); + } + + for (i = 0; i < QUANTIZATION_TABLE_LEN; i++) { + tw_writel((TW5864_QUAN_TAB + i * 4), + inverse_quantization_table[i]); + } +} diff --git a/drivers/media/pci/tw5864/tw5864.h b/drivers/media/pci/tw5864/tw5864.h new file mode 100644 index 000000000000..f5de9f6ef119 --- /dev/null +++ b/drivers/media/pci/tw5864/tw5864.h @@ -0,0 +1,205 @@ +/* + * TW5864 driver - common header file + * + * Copyright (C) 2016 Bluecherry, LLC <maintainers@bluecherrydvr.com> + * + * 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. + */ + +#include <linux/pci.h> +#include <linux/videodev2.h> +#include <linux/notifier.h> +#include <linux/delay.h> +#include <linux/mutex.h> +#include <linux/io.h> +#include <linux/interrupt.h> + +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-device.h> +#include <media/videobuf2-dma-sg.h> + +#include "tw5864-reg.h" + +#define PCI_DEVICE_ID_TECHWELL_5864 0x5864 + +#define TW5864_NORMS V4L2_STD_ALL + +/* ----------------------------------------------------------- */ +/* card configuration */ + +#define TW5864_INPUTS 4 + +/* The TW5864 uses 192 (16x12) detection cells in full screen for motion + * detection. Each detection cell is composed of 44 pixels and 20 lines for + * NTSC and 24 lines for PAL. + */ +#define MD_CELLS_HOR 16 +#define MD_CELLS_VERT 12 +#define MD_CELLS (MD_CELLS_HOR * MD_CELLS_VERT) + +#define H264_VLC_BUF_SIZE 0x80000 +#define H264_MV_BUF_SIZE 0x2000 /* device writes 5396 bytes */ +#define QP_VALUE 28 +#define MAX_GOP_SIZE 255 +#define GOP_SIZE MAX_GOP_SIZE + +enum resolution { + D1 = 1, + HD1 = 2, /* half d1 - 360x(240|288) */ + CIF = 3, + QCIF = 4, +}; + +/* ----------------------------------------------------------- */ +/* device / file handle status */ + +struct tw5864_dev; /* forward delclaration */ + +/* buffer for one video/vbi/ts frame */ +struct tw5864_buf { + struct vb2_v4l2_buffer vb; + struct list_head list; + + unsigned int size; +}; + +struct tw5864_dma_buf { + void *addr; + dma_addr_t dma_addr; +}; + +enum tw5864_vid_std { + STD_NTSC = 0, /* NTSC (M) */ + STD_PAL = 1, /* PAL (B, D, G, H, I) */ + STD_SECAM = 2, /* SECAM */ + STD_NTSC443 = 3, /* NTSC4.43 */ + STD_PAL_M = 4, /* PAL (M) */ + STD_PAL_CN = 5, /* PAL (CN) */ + STD_PAL_60 = 6, /* PAL 60 */ + STD_INVALID = 7, + STD_AUTO = 7, +}; + +struct tw5864_input { + int nr; /* input number */ + struct tw5864_dev *root; + struct mutex lock; /* used for vidq and vdev */ + spinlock_t slock; /* used for sync between ISR, tasklet & V4L2 API */ + struct video_device vdev; + struct v4l2_ctrl_handler hdl; + struct vb2_queue vidq; + struct list_head active; + enum resolution resolution; + unsigned int width, height; + unsigned int frame_seqno; + unsigned int frame_gop_seqno; + unsigned int h264_idr_pic_id; + int enabled; + enum tw5864_vid_std std; + v4l2_std_id v4l2_std; + int tail_nb_bits; + u8 tail; + u8 *buf_cur_ptr; + int buf_cur_space_left; + + u32 reg_interlacing; + u32 reg_vlc; + u32 reg_dsp_codec; + u32 reg_dsp; + u32 reg_emu; + u32 reg_dsp_qp; + u32 reg_dsp_ref_mvp_lambda; + u32 reg_dsp_i4x4_weight; + u32 buf_id; + + struct tw5864_buf *vb; + + struct v4l2_ctrl *md_threshold_grid_ctrl; + u16 md_threshold_grid_values[12 * 16]; + int qp; + int gop; + + /* + * In (1/MAX_FPS) units. + * For max FPS (default), set to 1. + * For 1 FPS, set to e.g. 32. + */ + int frame_interval; + unsigned long new_frame_deadline; +}; + +struct tw5864_h264_frame { + struct tw5864_dma_buf vlc; + struct tw5864_dma_buf mv; + int vlc_len; + u32 checksum; + struct tw5864_input *input; + u64 timestamp; + unsigned int seqno; + unsigned int gop_seqno; +}; + +/* global device status */ +struct tw5864_dev { + spinlock_t slock; /* used for sync between ISR, tasklet & V4L2 API */ + struct v4l2_device v4l2_dev; + struct tw5864_input inputs[TW5864_INPUTS]; +#define H264_BUF_CNT 4 + struct tw5864_h264_frame h264_buf[H264_BUF_CNT]; + int h264_buf_r_index; + int h264_buf_w_index; + + struct tasklet_struct tasklet; + + int encoder_busy; + /* Input number to check next for ready raw picture (in RR fashion) */ + int next_input; + + /* pci i/o */ + char name[64]; + struct pci_dev *pci; + void __iomem *mmio; + u32 irqmask; +}; + +#define tw_readl(reg) readl(dev->mmio + reg) +#define tw_mask_readl(reg, mask) \ + (tw_readl(reg) & (mask)) +#define tw_mask_shift_readl(reg, mask, shift) \ + (tw_mask_readl((reg), ((mask) << (shift))) >> (shift)) + +#define tw_writel(reg, value) writel((value), dev->mmio + reg) +#define tw_mask_writel(reg, mask, value) \ + tw_writel(reg, (tw_readl(reg) & ~(mask)) | ((value) & (mask))) +#define tw_mask_shift_writel(reg, mask, shift, value) \ + tw_mask_writel((reg), ((mask) << (shift)), ((value) << (shift))) + +#define tw_setl(reg, bit) tw_writel((reg), tw_readl(reg) | (bit)) +#define tw_clearl(reg, bit) tw_writel((reg), tw_readl(reg) & ~(bit)) + +u8 tw5864_indir_readb(struct tw5864_dev *dev, u16 addr); +#define tw_indir_readb(addr) tw5864_indir_readb(dev, addr) +void tw5864_indir_writeb(struct tw5864_dev *dev, u16 addr, u8 data); +#define tw_indir_writeb(addr, data) tw5864_indir_writeb(dev, addr, data) + +void tw5864_irqmask_apply(struct tw5864_dev *dev); +int tw5864_video_init(struct tw5864_dev *dev, int *video_nr); +void tw5864_video_fini(struct tw5864_dev *dev); +void tw5864_prepare_frame_headers(struct tw5864_input *input); +void tw5864_h264_put_stream_header(u8 **buf, size_t *space_left, int qp, + int width, int height); +void tw5864_h264_put_slice_header(u8 **buf, size_t *space_left, + unsigned int idr_pic_id, + unsigned int frame_gop_seqno, + int *tail_nb_bits, u8 *tail); +void tw5864_request_encoded_frame(struct tw5864_input *input); |