| /* |
| * Driver for the Conexant CX23885 PCIe bridge |
| * |
| * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/list.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/kmod.h> |
| #include <linux/kernel.h> |
| #include <linux/slab.h> |
| #include <linux/interrupt.h> |
| #include <linux/delay.h> |
| #include <linux/kthread.h> |
| #include <asm/div64.h> |
| |
| #include "cx23885.h" |
| #include "cx23885-video.h" |
| #include <media/v4l2-common.h> |
| #include <media/v4l2-ioctl.h> |
| #include <media/v4l2-event.h> |
| #include "cx23885-ioctl.h" |
| #include "tuner-xc2028.h" |
| |
| #include <media/cx25840.h> |
| |
| MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); |
| MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); |
| MODULE_LICENSE("GPL"); |
| |
| /* ------------------------------------------------------------------ */ |
| |
| static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; |
| static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; |
| |
| module_param_array(video_nr, int, NULL, 0444); |
| module_param_array(vbi_nr, int, NULL, 0444); |
| |
| MODULE_PARM_DESC(video_nr, "video device numbers"); |
| MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); |
| |
| static unsigned int video_debug; |
| module_param(video_debug, int, 0644); |
| MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); |
| |
| static unsigned int irq_debug; |
| module_param(irq_debug, int, 0644); |
| MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); |
| |
| static unsigned int vid_limit = 16; |
| module_param(vid_limit, int, 0644); |
| MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); |
| |
| #define dprintk(level, fmt, arg...)\ |
| do { if (video_debug >= level)\ |
| printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ |
| } while (0) |
| |
| /* ------------------------------------------------------------------- */ |
| /* static data */ |
| |
| #define FORMAT_FLAGS_PACKED 0x01 |
| static struct cx23885_fmt formats[] = { |
| { |
| .name = "4:2:2, packed, YUYV", |
| .fourcc = V4L2_PIX_FMT_YUYV, |
| .depth = 16, |
| .flags = FORMAT_FLAGS_PACKED, |
| } |
| }; |
| |
| static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < ARRAY_SIZE(formats); i++) |
| if (formats[i].fourcc == fourcc) |
| return formats+i; |
| return NULL; |
| } |
| |
| /* ------------------------------------------------------------------- */ |
| |
| void cx23885_video_wakeup(struct cx23885_dev *dev, |
| struct cx23885_dmaqueue *q, u32 count) |
| { |
| struct cx23885_buffer *buf; |
| int bc; |
| |
| for (bc = 0;; bc++) { |
| if (list_empty(&q->active)) |
| break; |
| buf = list_entry(q->active.next, |
| struct cx23885_buffer, vb.queue); |
| |
| /* count comes from the hw and is is 16bit wide -- |
| * this trick handles wrap-arounds correctly for |
| * up to 32767 buffers in flight... */ |
| if ((s16) (count - buf->count) < 0) |
| break; |
| |
| v4l2_get_timestamp(&buf->vb.ts); |
| dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, |
| count, buf->count); |
| buf->vb.state = VIDEOBUF_DONE; |
| list_del(&buf->vb.queue); |
| wake_up(&buf->vb.done); |
| } |
| if (list_empty(&q->active)) |
| del_timer(&q->timeout); |
| else |
| mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| if (bc != 1) |
| printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", |
| __func__, bc); |
| } |
| |
| int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) |
| { |
| dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", |
| __func__, |
| (unsigned int)norm, |
| v4l2_norm_to_name(norm)); |
| |
| dev->tvnorm = norm; |
| |
| call_all(dev, video, s_std, norm); |
| |
| return 0; |
| } |
| |
| static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, |
| struct pci_dev *pci, |
| struct video_device *template, |
| char *type) |
| { |
| struct video_device *vfd; |
| dprintk(1, "%s()\n", __func__); |
| |
| vfd = video_device_alloc(); |
| if (NULL == vfd) |
| return NULL; |
| *vfd = *template; |
| vfd->v4l2_dev = &dev->v4l2_dev; |
| vfd->release = video_device_release; |
| vfd->lock = &dev->lock; |
| snprintf(vfd->name, sizeof(vfd->name), "%s (%s)", |
| cx23885_boards[dev->board].name, type); |
| video_set_drvdata(vfd, dev); |
| return vfd; |
| } |
| |
| /* ------------------------------------------------------------------- */ |
| /* resource management */ |
| |
| static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, |
| unsigned int bit) |
| { |
| dprintk(1, "%s()\n", __func__); |
| if (fh->resources & bit) |
| /* have it already allocated */ |
| return 1; |
| |
| /* is it free? */ |
| if (dev->resources & bit) { |
| /* no, someone else uses it */ |
| return 0; |
| } |
| /* it's free, grab it */ |
| fh->resources |= bit; |
| dev->resources |= bit; |
| dprintk(1, "res: get %d\n", bit); |
| return 1; |
| } |
| |
| static int res_check(struct cx23885_fh *fh, unsigned int bit) |
| { |
| return fh->resources & bit; |
| } |
| |
| static int res_locked(struct cx23885_dev *dev, unsigned int bit) |
| { |
| return dev->resources & bit; |
| } |
| |
| static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, |
| unsigned int bits) |
| { |
| BUG_ON((fh->resources & bits) != bits); |
| dprintk(1, "%s()\n", __func__); |
| |
| fh->resources &= ~bits; |
| dev->resources &= ~bits; |
| dprintk(1, "res: put %d\n", bits); |
| } |
| |
| int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data) |
| { |
| /* 8 bit registers, 8 bit values */ |
| u8 buf[] = { reg, data }; |
| |
| struct i2c_msg msg = { .addr = 0x98 >> 1, |
| .flags = 0, .buf = buf, .len = 2 }; |
| |
| return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); |
| } |
| |
| u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg) |
| { |
| /* 8 bit registers, 8 bit values */ |
| int ret; |
| u8 b0[] = { reg }; |
| u8 b1[] = { 0 }; |
| |
| struct i2c_msg msg[] = { |
| { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 }, |
| { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 } |
| }; |
| |
| ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2); |
| if (ret != 2) |
| printk(KERN_ERR "%s() error\n", __func__); |
| |
| return b1[0]; |
| } |
| |
| static void cx23885_flatiron_dump(struct cx23885_dev *dev) |
| { |
| int i; |
| dprintk(1, "Flatiron dump\n"); |
| for (i = 0; i < 0x24; i++) { |
| dprintk(1, "FI[%02x] = %02x\n", i, |
| cx23885_flatiron_read(dev, i)); |
| } |
| } |
| |
| static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input) |
| { |
| u8 val; |
| dprintk(1, "%s(input = %d)\n", __func__, input); |
| |
| if (input == 1) |
| val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL; |
| else if (input == 2) |
| val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL; |
| else |
| return -EINVAL; |
| |
| val |= 0x20; /* Enable clock to delta-sigma and dec filter */ |
| |
| cx23885_flatiron_write(dev, CH_PWR_CTRL1, val); |
| |
| /* Wake up */ |
| cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0); |
| |
| if (video_debug) |
| cx23885_flatiron_dump(dev); |
| |
| return 0; |
| } |
| |
| static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) |
| { |
| dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", |
| __func__, |
| input, INPUT(input)->vmux, |
| INPUT(input)->gpio0, INPUT(input)->gpio1, |
| INPUT(input)->gpio2, INPUT(input)->gpio3); |
| dev->input = input; |
| |
| if (dev->board == CX23885_BOARD_MYGICA_X8506 || |
| dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 || |
| dev->board == CX23885_BOARD_MYGICA_X8507) { |
| /* Select Analog TV */ |
| if (INPUT(input)->type == CX23885_VMUX_TELEVISION) |
| cx23885_gpio_clear(dev, GPIO_0); |
| } |
| |
| /* Tell the internal A/V decoder */ |
| v4l2_subdev_call(dev->sd_cx25840, video, s_routing, |
| INPUT(input)->vmux, 0, 0); |
| |
| if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || |
| (dev->board == CX23885_BOARD_MPX885) || |
| (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) || |
| (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) || |
| (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || |
| (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || |
| (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || |
| (dev->board == CX23885_BOARD_MYGICA_X8507) || |
| (dev->board == CX23885_BOARD_AVERMEDIA_HC81R)) { |
| /* Configure audio routing */ |
| v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, |
| INPUT(input)->amux, 0, 0); |
| |
| if (INPUT(input)->amux == CX25840_AUDIO7) |
| cx23885_flatiron_mux(dev, 1); |
| else if (INPUT(input)->amux == CX25840_AUDIO6) |
| cx23885_flatiron_mux(dev, 2); |
| } |
| |
| return 0; |
| } |
| |
| static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) |
| { |
| dprintk(1, "%s(input=%d)\n", __func__, input); |
| |
| /* The baseband video core of the cx23885 has two audio inputs. |
| * LR1 and LR2. In almost every single case so far only HVR1xxx |
| * cards we've only ever supported LR1. Time to support LR2, |
| * which is available via the optional white breakout header on |
| * the board. |
| * We'll use a could of existing enums in the card struct to allow |
| * devs to specify which baseband input they need, or just default |
| * to what we've always used. |
| */ |
| if (INPUT(input)->amux == CX25840_AUDIO7) |
| cx23885_flatiron_mux(dev, 1); |
| else if (INPUT(input)->amux == CX25840_AUDIO6) |
| cx23885_flatiron_mux(dev, 2); |
| else { |
| /* Not specifically defined, assume the default. */ |
| cx23885_flatiron_mux(dev, 1); |
| } |
| |
| return 0; |
| } |
| |
| /* ------------------------------------------------------------------ */ |
| static int cx23885_start_video_dma(struct cx23885_dev *dev, |
| struct cx23885_dmaqueue *q, |
| struct cx23885_buffer *buf) |
| { |
| dprintk(1, "%s()\n", __func__); |
| |
| /* Stop the dma/fifo before we tamper with it's risc programs */ |
| cx_clear(VID_A_DMA_CTL, 0x11); |
| |
| /* setup fifo + format */ |
| cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], |
| buf->bpl, buf->risc.dma); |
| |
| /* reset counter */ |
| cx_write(VID_A_GPCNT_CTL, 3); |
| q->count = 1; |
| |
| /* enable irq */ |
| cx23885_irq_add_enable(dev, 0x01); |
| cx_set(VID_A_INT_MSK, 0x000011); |
| |
| /* start dma */ |
| cx_set(DEV_CNTRL2, (1<<5)); |
| cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ |
| |
| return 0; |
| } |
| |
| |
| static int cx23885_restart_video_queue(struct cx23885_dev *dev, |
| struct cx23885_dmaqueue *q) |
| { |
| struct cx23885_buffer *buf, *prev; |
| struct list_head *item; |
| dprintk(1, "%s()\n", __func__); |
| |
| if (!list_empty(&q->active)) { |
| buf = list_entry(q->active.next, struct cx23885_buffer, |
| vb.queue); |
| dprintk(2, "restart_queue [%p/%d]: restart dma\n", |
| buf, buf->vb.i); |
| cx23885_start_video_dma(dev, q, buf); |
| list_for_each(item, &q->active) { |
| buf = list_entry(item, struct cx23885_buffer, |
| vb.queue); |
| buf->count = q->count++; |
| } |
| mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| return 0; |
| } |
| |
| prev = NULL; |
| for (;;) { |
| if (list_empty(&q->queued)) |
| return 0; |
| buf = list_entry(q->queued.next, struct cx23885_buffer, |
| vb.queue); |
| if (NULL == prev) { |
| list_move_tail(&buf->vb.queue, &q->active); |
| cx23885_start_video_dma(dev, q, buf); |
| buf->vb.state = VIDEOBUF_ACTIVE; |
| buf->count = q->count++; |
| mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| dprintk(2, "[%p/%d] restart_queue - first active\n", |
| buf, buf->vb.i); |
| |
| } else if (prev->vb.width == buf->vb.width && |
| prev->vb.height == buf->vb.height && |
| prev->fmt == buf->fmt) { |
| list_move_tail(&buf->vb.queue, &q->active); |
| buf->vb.state = VIDEOBUF_ACTIVE; |
| buf->count = q->count++; |
| prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
| prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ |
| dprintk(2, "[%p/%d] restart_queue - move to active\n", |
| buf, buf->vb.i); |
| } else { |
| return 0; |
| } |
| prev = buf; |
| } |
| } |
| |
| static int buffer_setup(struct videobuf_queue *q, unsigned int *count, |
| unsigned int *size) |
| { |
| struct cx23885_fh *fh = q->priv_data; |
| struct cx23885_dev *dev = fh->q_dev; |
| |
| *size = (dev->fmt->depth * dev->width * dev->height) >> 3; |
| if (0 == *count) |
| *count = 32; |
| if (*size * *count > vid_limit * 1024 * 1024) |
| *count = (vid_limit * 1024 * 1024) / *size; |
| return 0; |
| } |
| |
| static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, |
| enum v4l2_field field) |
| { |
| struct cx23885_fh *fh = q->priv_data; |
| struct cx23885_dev *dev = fh->q_dev; |
| struct cx23885_buffer *buf = |
| container_of(vb, struct cx23885_buffer, vb); |
| int rc, init_buffer = 0; |
| u32 line0_offset, line1_offset; |
| struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); |
| int field_tff; |
| |
| if (WARN_ON(NULL == dev->fmt)) |
| return -EINVAL; |
| |
| if (dev->width < 48 || dev->width > norm_maxw(dev->tvnorm) || |
| dev->height < 32 || dev->height > norm_maxh(dev->tvnorm)) |
| return -EINVAL; |
| buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3; |
| if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
| return -EINVAL; |
| |
| if (buf->fmt != dev->fmt || |
| buf->vb.width != dev->width || |
| buf->vb.height != dev->height || |
| buf->vb.field != field) { |
| buf->fmt = dev->fmt; |
| buf->vb.width = dev->width; |
| buf->vb.height = dev->height; |
| buf->vb.field = field; |
| init_buffer = 1; |
| } |
| |
| if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
| init_buffer = 1; |
| rc = videobuf_iolock(q, &buf->vb, NULL); |
| if (0 != rc) |
| goto fail; |
| } |
| |
| if (init_buffer) { |
| buf->bpl = buf->vb.width * buf->fmt->depth >> 3; |
| switch (buf->vb.field) { |
| case V4L2_FIELD_TOP: |
| cx23885_risc_buffer(dev->pci, &buf->risc, |
| dma->sglist, 0, UNSET, |
| buf->bpl, 0, buf->vb.height); |
| break; |
| case V4L2_FIELD_BOTTOM: |
| cx23885_risc_buffer(dev->pci, &buf->risc, |
| dma->sglist, UNSET, 0, |
| buf->bpl, 0, buf->vb.height); |
| break; |
| case V4L2_FIELD_INTERLACED: |
| if (dev->tvnorm & V4L2_STD_NTSC) |
| /* NTSC or */ |
| field_tff = 1; |
| else |
| field_tff = 0; |
| |
| if (cx23885_boards[dev->board].force_bff) |
| /* PAL / SECAM OR 888 in NTSC MODE */ |
| field_tff = 0; |
| |
| if (field_tff) { |
| /* cx25840 transmits NTSC bottom field first */ |
| dprintk(1, "%s() Creating TFF/NTSC risc\n", |
| __func__); |
| line0_offset = buf->bpl; |
| line1_offset = 0; |
| } else { |
| /* All other formats are top field first */ |
| dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", |
| __func__); |
| line0_offset = 0; |
| line1_offset = buf->bpl; |
| } |
| cx23885_risc_buffer(dev->pci, &buf->risc, |
| dma->sglist, line0_offset, |
| line1_offset, |
| buf->bpl, buf->bpl, |
| buf->vb.height >> 1); |
| break; |
| case V4L2_FIELD_SEQ_TB: |
| cx23885_risc_buffer(dev->pci, &buf->risc, |
| dma->sglist, |
| 0, buf->bpl * (buf->vb.height >> 1), |
| buf->bpl, 0, |
| buf->vb.height >> 1); |
| break; |
| case V4L2_FIELD_SEQ_BT: |
| cx23885_risc_buffer(dev->pci, &buf->risc, |
| dma->sglist, |
| buf->bpl * (buf->vb.height >> 1), 0, |
| buf->bpl, 0, |
| buf->vb.height >> 1); |
| break; |
| default: |
| BUG(); |
| } |
| } |
| dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", |
| buf, buf->vb.i, |
| dev->width, dev->height, dev->fmt->depth, dev->fmt->name, |
| (unsigned long)buf->risc.dma); |
| |
| buf->vb.state = VIDEOBUF_PREPARED; |
| return 0; |
| |
| fail: |
| cx23885_free_buffer(q, buf); |
| return rc; |
| } |
| |
| static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
| { |
| struct cx23885_buffer *buf = container_of(vb, |
| struct cx23885_buffer, vb); |
| struct cx23885_buffer *prev; |
| struct cx23885_fh *fh = vq->priv_data; |
| struct cx23885_dev *dev = fh->q_dev; |
| struct cx23885_dmaqueue *q = &dev->vidq; |
| |
| /* add jump to stopper */ |
| buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); |
| buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); |
| buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ |
| |
| if (!list_empty(&q->queued)) { |
| list_add_tail(&buf->vb.queue, &q->queued); |
| buf->vb.state = VIDEOBUF_QUEUED; |
| dprintk(2, "[%p/%d] buffer_queue - append to queued\n", |
| buf, buf->vb.i); |
| |
| } else if (list_empty(&q->active)) { |
| list_add_tail(&buf->vb.queue, &q->active); |
| cx23885_start_video_dma(dev, q, buf); |
| buf->vb.state = VIDEOBUF_ACTIVE; |
| buf->count = q->count++; |
| mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| dprintk(2, "[%p/%d] buffer_queue - first active\n", |
| buf, buf->vb.i); |
| |
| } else { |
| prev = list_entry(q->active.prev, struct cx23885_buffer, |
| vb.queue); |
| if (prev->vb.width == buf->vb.width && |
| prev->vb.height == buf->vb.height && |
| prev->fmt == buf->fmt) { |
| list_add_tail(&buf->vb.queue, &q->active); |
| buf->vb.state = VIDEOBUF_ACTIVE; |
| buf->count = q->count++; |
| prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
| /* 64 bit bits 63-32 */ |
| prev->risc.jmp[2] = cpu_to_le32(0); |
| dprintk(2, "[%p/%d] buffer_queue - append to active\n", |
| buf, buf->vb.i); |
| |
| } else { |
| list_add_tail(&buf->vb.queue, &q->queued); |
| buf->vb.state = VIDEOBUF_QUEUED; |
| dprintk(2, "[%p/%d] buffer_queue - first queued\n", |
| buf, buf->vb.i); |
| } |
| } |
| } |
| |
| static void buffer_release(struct videobuf_queue *q, |
| struct videobuf_buffer *vb) |
| { |
| struct cx23885_buffer *buf = container_of(vb, |
| struct cx23885_buffer, vb); |
| |
| cx23885_free_buffer(q, buf); |
| } |
| |
| static struct videobuf_queue_ops cx23885_video_qops = { |
| .buf_setup = buffer_setup, |
| .buf_prepare = buffer_prepare, |
| .buf_queue = buffer_queue, |
| .buf_release = buffer_release, |
| }; |
| |
| static struct videobuf_queue *get_queue(struct file *file) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct cx23885_fh *fh = file->private_data; |
| |
| switch (vdev->vfl_type) { |
| case VFL_TYPE_GRABBER: |
| return &fh->vidq; |
| case VFL_TYPE_VBI: |
| return &fh->vbiq; |
| default: |
| WARN_ON(1); |
| return NULL; |
| } |
| } |
| |
| static int get_resource(u32 type) |
| { |
| switch (type) { |
| case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| return RESOURCE_VIDEO; |
| case V4L2_BUF_TYPE_VBI_CAPTURE: |
| return RESOURCE_VBI; |
| default: |
| WARN_ON(1); |
| return 0; |
| } |
| } |
| |
| static int video_open(struct file *file) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct cx23885_fh *fh; |
| |
| dprintk(1, "open dev=%s\n", |
| video_device_node_name(vdev)); |
| |
| /* allocate + initialize per filehandle data */ |
| fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
| if (NULL == fh) |
| return -ENOMEM; |
| |
| v4l2_fh_init(&fh->fh, vdev); |
| file->private_data = &fh->fh; |
| fh->q_dev = dev; |
| |
| videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, |
| &dev->pci->dev, &dev->slock, |
| V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| V4L2_FIELD_INTERLACED, |
| sizeof(struct cx23885_buffer), |
| fh, NULL); |
| |
| videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops, |
| &dev->pci->dev, &dev->slock, |
| V4L2_BUF_TYPE_VBI_CAPTURE, |
| V4L2_FIELD_SEQ_TB, |
| sizeof(struct cx23885_buffer), |
| fh, NULL); |
| |
| v4l2_fh_add(&fh->fh); |
| |
| dprintk(1, "post videobuf_queue_init()\n"); |
| |
| return 0; |
| } |
| |
| static ssize_t video_read(struct file *file, char __user *data, |
| size_t count, loff_t *ppos) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct cx23885_fh *fh = file->private_data; |
| |
| switch (vdev->vfl_type) { |
| case VFL_TYPE_GRABBER: |
| if (res_locked(dev, RESOURCE_VIDEO)) |
| return -EBUSY; |
| return videobuf_read_one(&fh->vidq, data, count, ppos, |
| file->f_flags & O_NONBLOCK); |
| case VFL_TYPE_VBI: |
| if (!res_get(dev, fh, RESOURCE_VBI)) |
| return -EBUSY; |
| return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, |
| file->f_flags & O_NONBLOCK); |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static unsigned int video_poll(struct file *file, |
| struct poll_table_struct *wait) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct cx23885_fh *fh = file->private_data; |
| struct cx23885_buffer *buf; |
| unsigned long req_events = poll_requested_events(wait); |
| unsigned int rc = 0; |
| |
| if (v4l2_event_pending(&fh->fh)) |
| rc = POLLPRI; |
| else |
| poll_wait(file, &fh->fh.wait, wait); |
| if (!(req_events & (POLLIN | POLLRDNORM))) |
| return rc; |
| |
| if (vdev->vfl_type == VFL_TYPE_VBI) { |
| if (!res_get(dev, fh, RESOURCE_VBI)) |
| return rc | POLLERR; |
| return rc | videobuf_poll_stream(file, &fh->vbiq, wait); |
| } |
| |
| mutex_lock(&fh->vidq.vb_lock); |
| if (res_check(fh, RESOURCE_VIDEO)) { |
| /* streaming capture */ |
| if (list_empty(&fh->vidq.stream)) |
| goto done; |
| buf = list_entry(fh->vidq.stream.next, |
| struct cx23885_buffer, vb.stream); |
| } else { |
| /* read() capture */ |
| buf = (struct cx23885_buffer *)fh->vidq.read_buf; |
| if (NULL == buf) |
| goto done; |
| } |
| poll_wait(file, &buf->vb.done, wait); |
| if (buf->vb.state == VIDEOBUF_DONE || |
| buf->vb.state == VIDEOBUF_ERROR) |
| rc |= POLLIN | POLLRDNORM; |
| done: |
| mutex_unlock(&fh->vidq.vb_lock); |
| return rc; |
| } |
| |
| static int video_release(struct file *file) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct cx23885_fh *fh = file->private_data; |
| |
| /* turn off overlay */ |
| if (res_check(fh, RESOURCE_OVERLAY)) { |
| /* FIXME */ |
| res_free(dev, fh, RESOURCE_OVERLAY); |
| } |
| |
| /* stop video capture */ |
| if (res_check(fh, RESOURCE_VIDEO)) { |
| videobuf_queue_cancel(&fh->vidq); |
| res_free(dev, fh, RESOURCE_VIDEO); |
| } |
| if (fh->vidq.read_buf) { |
| buffer_release(&fh->vidq, fh->vidq.read_buf); |
| kfree(fh->vidq.read_buf); |
| } |
| |
| /* stop vbi capture */ |
| if (res_check(fh, RESOURCE_VBI)) { |
| if (fh->vbiq.streaming) |
| videobuf_streamoff(&fh->vbiq); |
| if (fh->vbiq.reading) |
| videobuf_read_stop(&fh->vbiq); |
| res_free(dev, fh, RESOURCE_VBI); |
| } |
| |
| videobuf_mmap_free(&fh->vidq); |
| videobuf_mmap_free(&fh->vbiq); |
| |
| v4l2_fh_del(&fh->fh); |
| v4l2_fh_exit(&fh->fh); |
| file->private_data = NULL; |
| kfree(fh); |
| |
| /* We are not putting the tuner to sleep here on exit, because |
| * we want to use the mpeg encoder in another session to capture |
| * tuner video. Closing this will result in no video to the encoder. |
| */ |
| |
| return 0; |
| } |
| |
| static int video_mmap(struct file *file, struct vm_area_struct *vma) |
| { |
| return videobuf_mmap_mapper(get_queue(file), vma); |
| } |
| |
| /* ------------------------------------------------------------------ */ |
| /* VIDEO IOCTLS */ |
| |
| static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
| struct v4l2_format *f) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct cx23885_fh *fh = priv; |
| |
| f->fmt.pix.width = dev->width; |
| f->fmt.pix.height = dev->height; |
| f->fmt.pix.field = fh->vidq.field; |
| f->fmt.pix.pixelformat = dev->fmt->fourcc; |
| f->fmt.pix.bytesperline = |
| (f->fmt.pix.width * dev->fmt->depth) >> 3; |
| f->fmt.pix.sizeimage = |
| f->fmt.pix.height * f->fmt.pix.bytesperline; |
| f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
| |
| return 0; |
| } |
| |
| static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
| struct v4l2_format *f) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct cx23885_fmt *fmt; |
| enum v4l2_field field; |
| unsigned int maxw, maxh; |
| |
| fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| if (NULL == fmt) |
| return -EINVAL; |
| |
| field = f->fmt.pix.field; |
| maxw = norm_maxw(dev->tvnorm); |
| maxh = norm_maxh(dev->tvnorm); |
| |
| if (V4L2_FIELD_ANY == field) { |
| field = (f->fmt.pix.height > maxh/2) |
| ? V4L2_FIELD_INTERLACED |
| : V4L2_FIELD_BOTTOM; |
| } |
| |
| switch (field) { |
| case V4L2_FIELD_TOP: |
| case V4L2_FIELD_BOTTOM: |
| maxh = maxh / 2; |
| break; |
| case V4L2_FIELD_INTERLACED: |
| break; |
| default: |
| field = V4L2_FIELD_INTERLACED; |
| break; |
| } |
| |
| f->fmt.pix.field = field; |
| v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, |
| &f->fmt.pix.height, 32, maxh, 0, 0); |
| f->fmt.pix.bytesperline = |
| (f->fmt.pix.width * fmt->depth) >> 3; |
| f->fmt.pix.sizeimage = |
| f->fmt.pix.height * f->fmt.pix.bytesperline; |
| f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
| |
| return 0; |
| } |
| |
| static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
| struct v4l2_format *f) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct cx23885_fh *fh = priv; |
| struct v4l2_mbus_framefmt mbus_fmt; |
| int err; |
| |
| dprintk(2, "%s()\n", __func__); |
| err = vidioc_try_fmt_vid_cap(file, priv, f); |
| |
| if (0 != err) |
| return err; |
| dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| dev->width = f->fmt.pix.width; |
| dev->height = f->fmt.pix.height; |
| fh->vidq.field = f->fmt.pix.field; |
| dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, |
| dev->width, dev->height, fh->vidq.field); |
| v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); |
| call_all(dev, video, s_mbus_fmt, &mbus_fmt); |
| v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); |
| return 0; |
| } |
| |
| static int vidioc_querycap(struct file *file, void *priv, |
| struct v4l2_capability *cap) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct video_device *vdev = video_devdata(file); |
| |
| strcpy(cap->driver, "cx23885"); |
| strlcpy(cap->card, cx23885_boards[dev->board].name, |
| sizeof(cap->card)); |
| sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); |
| cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO; |
| if (dev->tuner_type != TUNER_ABSENT) |
| cap->device_caps |= V4L2_CAP_TUNER; |
| if (vdev->vfl_type == VFL_TYPE_VBI) |
| cap->device_caps |= V4L2_CAP_VBI_CAPTURE; |
| else |
| cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; |
| cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE | |
| V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS; |
| return 0; |
| } |
| |
| static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
| struct v4l2_fmtdesc *f) |
| { |
| if (unlikely(f->index >= ARRAY_SIZE(formats))) |
| return -EINVAL; |
| |
| strlcpy(f->description, formats[f->index].name, |
| sizeof(f->description)); |
| f->pixelformat = formats[f->index].fourcc; |
| |
| return 0; |
| } |
| |
| static int vidioc_reqbufs(struct file *file, void *priv, |
| struct v4l2_requestbuffers *p) |
| { |
| return videobuf_reqbufs(get_queue(file), p); |
| } |
| |
| static int vidioc_querybuf(struct file *file, void *priv, |
| struct v4l2_buffer *p) |
| { |
| return videobuf_querybuf(get_queue(file), p); |
| } |
| |
| static int vidioc_qbuf(struct file *file, void *priv, |
| struct v4l2_buffer *p) |
| { |
| return videobuf_qbuf(get_queue(file), p); |
| } |
| |
| static int vidioc_dqbuf(struct file *file, void *priv, |
| struct v4l2_buffer *p) |
| { |
| return videobuf_dqbuf(get_queue(file), p, |
| file->f_flags & O_NONBLOCK); |
| } |
| |
| static int vidioc_streamon(struct file *file, void *priv, |
| enum v4l2_buf_type i) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct video_device *vdev = video_devdata(file); |
| struct cx23885_fh *fh = priv; |
| dprintk(1, "%s()\n", __func__); |
| |
| if (vdev->vfl_type == VFL_TYPE_VBI && |
| i != V4L2_BUF_TYPE_VBI_CAPTURE) |
| return -EINVAL; |
| if (vdev->vfl_type == VFL_TYPE_GRABBER && |
| i != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| return -EINVAL; |
| |
| if (unlikely(!res_get(dev, fh, get_resource(i)))) |
| return -EBUSY; |
| |
| /* Don't start VBI streaming unless vida streaming |
| * has already started. |
| */ |
| if ((i == V4L2_BUF_TYPE_VBI_CAPTURE) && |
| ((cx_read(VID_A_DMA_CTL) & 0x11) == 0)) |
| return -EINVAL; |
| |
| return videobuf_streamon(get_queue(file)); |
| } |
| |
| static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| struct video_device *vdev = video_devdata(file); |
| struct cx23885_fh *fh = priv; |
| int err, res; |
| dprintk(1, "%s()\n", __func__); |
| |
| if (vdev->vfl_type == VFL_TYPE_VBI && |
| i != V4L2_BUF_TYPE_VBI_CAPTURE) |
| return -EINVAL; |
| if (vdev->vfl_type == VFL_TYPE_GRABBER && |
| i != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| return -EINVAL; |
| |
| res = get_resource(i); |
| err = videobuf_streamoff(get_queue(file)); |
| if (err < 0) |
| return err; |
| res_free(dev, fh, res); |
| return 0; |
| } |
| |
| static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| dprintk(1, "%s()\n", __func__); |
| |
| *id = dev->tvnorm; |
| return 0; |
| } |
| |
| static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| dprintk(1, "%s()\n", __func__); |
| |
| cx23885_set_tvnorm(dev, tvnorms); |
| |
| return 0; |
| } |
| |
| int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) |
| { |
| static const char *iname[] = { |
| [CX23885_VMUX_COMPOSITE1] = "Composite1", |
| [CX23885_VMUX_COMPOSITE2] = "Composite2", |
| [CX23885_VMUX_COMPOSITE3] = "Composite3", |
| [CX23885_VMUX_COMPOSITE4] = "Composite4", |
| [CX23885_VMUX_SVIDEO] = "S-Video", |
| [CX23885_VMUX_COMPONENT] = "Component", |
| [CX23885_VMUX_TELEVISION] = "Television", |
| [CX23885_VMUX_CABLE] = "Cable TV", |
| [CX23885_VMUX_DVB] = "DVB", |
| [CX23885_VMUX_DEBUG] = "for debug only", |
| }; |
| unsigned int n; |
| dprintk(1, "%s()\n", __func__); |
| |
| n = i->index; |
| if (n >= MAX_CX23885_INPUT) |
| return -EINVAL; |
| |
| if (0 == INPUT(n)->type) |
| return -EINVAL; |
| |
| i->index = n; |
| i->type = V4L2_INPUT_TYPE_CAMERA; |
| strcpy(i->name, iname[INPUT(n)->type]); |
| i->std = CX23885_NORMS; |
| if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || |
| (CX23885_VMUX_CABLE == INPUT(n)->type)) { |
| i->type = V4L2_INPUT_TYPE_TUNER; |
| i->audioset = 4; |
| } else { |
| /* Two selectable audio inputs for non-tv inputs */ |
| i->audioset = 3; |
| } |
| |
| if (dev->input == n) { |
| /* enum'd input matches our configured input. |
| * Ask the video decoder to process the call |
| * and give it an oppertunity to update the |
| * status field. |
| */ |
| call_all(dev, video, g_input_status, &i->status); |
| } |
| |
| return 0; |
| } |
| |
| static int vidioc_enum_input(struct file *file, void *priv, |
| struct v4l2_input *i) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| dprintk(1, "%s()\n", __func__); |
| return cx23885_enum_input(dev, i); |
| } |
| |
| int cx23885_get_input(struct file *file, void *priv, unsigned int *i) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| |
| *i = dev->input; |
| dprintk(1, "%s() returns %d\n", __func__, *i); |
| return 0; |
| } |
| |
| static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
| { |
| return cx23885_get_input(file, priv, i); |
| } |
| |
| int cx23885_set_input(struct file *file, void *priv, unsigned int i) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| |
| dprintk(1, "%s(%d)\n", __func__, i); |
| |
| if (i >= MAX_CX23885_INPUT) { |
| dprintk(1, "%s() -EINVAL\n", __func__); |
| return -EINVAL; |
| } |
| |
| if (INPUT(i)->type == 0) |
| return -EINVAL; |
| |
| cx23885_video_mux(dev, i); |
| |
| /* By default establish the default audio input for the card also */ |
| /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ |
| cx23885_audio_mux(dev, i); |
| return 0; |
| } |
| |
| static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
| { |
| return cx23885_set_input(file, priv, i); |
| } |
| |
| static int vidioc_log_status(struct file *file, void *priv) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| |
| call_all(dev, core, log_status); |
| return 0; |
| } |
| |
| static int cx23885_query_audinput(struct file *file, void *priv, |
| struct v4l2_audio *i) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| static const char *iname[] = { |
| [0] = "Baseband L/R 1", |
| [1] = "Baseband L/R 2", |
| [2] = "TV", |
| }; |
| unsigned int n; |
| dprintk(1, "%s()\n", __func__); |
| |
| n = i->index; |
| if (n >= 3) |
| return -EINVAL; |
| |
| memset(i, 0, sizeof(*i)); |
| i->index = n; |
| strcpy(i->name, iname[n]); |
| i->capability = V4L2_AUDCAP_STEREO; |
| return 0; |
| |
| } |
| |
| static int vidioc_enum_audinput(struct file *file, void *priv, |
| struct v4l2_audio *i) |
| { |
| return cx23885_query_audinput(file, priv, i); |
| } |
| |
| static int vidioc_g_audinput(struct file *file, void *priv, |
| struct v4l2_audio *i) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| |
| if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || |
| (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) |
| i->index = 2; |
| else |
| i->index = dev->audinput; |
| dprintk(1, "%s(input=%d)\n", __func__, i->index); |
| |
| return cx23885_query_audinput(file, priv, i); |
| } |
| |
| static int vidioc_s_audinput(struct file *file, void *priv, |
| const struct v4l2_audio *i) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| |
| if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || |
| (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) { |
| return i->index != 2 ? -EINVAL : 0; |
| } |
| if (i->index > 1) |
| return -EINVAL; |
| |
| dprintk(1, "%s(%d)\n", __func__, i->index); |
| |
| dev->audinput = i->index; |
| |
| /* Skip the audio defaults from the cards struct, caller wants |
| * directly touch the audio mux hardware. */ |
| cx23885_flatiron_mux(dev, dev->audinput + 1); |
| return 0; |
| } |
| |
| static int vidioc_g_tuner(struct file *file, void *priv, |
| struct v4l2_tuner *t) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| |
| if (dev->tuner_type == TUNER_ABSENT) |
| return -EINVAL; |
| if (0 != t->index) |
| return -EINVAL; |
| |
| strcpy(t->name, "Television"); |
| |
| call_all(dev, tuner, g_tuner, t); |
| return 0; |
| } |
| |
| static int vidioc_s_tuner(struct file *file, void *priv, |
| const struct v4l2_tuner *t) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| |
| if (dev->tuner_type == TUNER_ABSENT) |
| return -EINVAL; |
| if (0 != t->index) |
| return -EINVAL; |
| /* Update the A/V core */ |
| call_all(dev, tuner, s_tuner, t); |
| |
| return 0; |
| } |
| |
| static int vidioc_g_frequency(struct file *file, void *priv, |
| struct v4l2_frequency *f) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| |
| if (dev->tuner_type == TUNER_ABSENT) |
| return -EINVAL; |
| |
| f->type = V4L2_TUNER_ANALOG_TV; |
| f->frequency = dev->freq; |
| |
| call_all(dev, tuner, g_frequency, f); |
| |
| return 0; |
| } |
| |
| static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) |
| { |
| struct v4l2_ctrl *mute; |
| int old_mute_val = 1; |
| |
| if (dev->tuner_type == TUNER_ABSENT) |
| return -EINVAL; |
| if (unlikely(f->tuner != 0)) |
| return -EINVAL; |
| |
| dev->freq = f->frequency; |
| |
| /* I need to mute audio here */ |
| mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); |
| if (mute) { |
| old_mute_val = v4l2_ctrl_g_ctrl(mute); |
| if (!old_mute_val) |
| v4l2_ctrl_s_ctrl(mute, 1); |
| } |
| |
| call_all(dev, tuner, s_frequency, f); |
| |
| /* When changing channels it is required to reset TVAUDIO */ |
| msleep(100); |
| |
| /* I need to unmute audio here */ |
| if (old_mute_val == 0) |
| v4l2_ctrl_s_ctrl(mute, old_mute_val); |
| |
| return 0; |
| } |
| |
| static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, |
| const struct v4l2_frequency *f) |
| { |
| struct v4l2_ctrl *mute; |
| int old_mute_val = 1; |
| struct videobuf_dvb_frontend *vfe; |
| struct dvb_frontend *fe; |
| |
| struct analog_parameters params = { |
| .mode = V4L2_TUNER_ANALOG_TV, |
| .audmode = V4L2_TUNER_MODE_STEREO, |
| .std = dev->tvnorm, |
| .frequency = f->frequency |
| }; |
| |
| dev->freq = f->frequency; |
| |
| /* I need to mute audio here */ |
| mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); |
| if (mute) { |
| old_mute_val = v4l2_ctrl_g_ctrl(mute); |
| if (!old_mute_val) |
| v4l2_ctrl_s_ctrl(mute, 1); |
| } |
| |
| /* If HVR1850 */ |
| dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, |
| params.frequency, f->tuner, params.std); |
| |
| vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1); |
| if (!vfe) { |
| return -EINVAL; |
| } |
| |
| fe = vfe->dvb.frontend; |
| |
| if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || |
| (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || |
| (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111)) |
| fe = &dev->ts1.analog_fe; |
| |
| if (fe && fe->ops.tuner_ops.set_analog_params) { |
| call_all(dev, video, s_std, dev->tvnorm); |
| fe->ops.tuner_ops.set_analog_params(fe, ¶ms); |
| } |
| else |
| printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); |
| |
| /* When changing channels it is required to reset TVAUDIO */ |
| msleep(100); |
| |
| /* I need to unmute audio here */ |
| if (old_mute_val == 0) |
| v4l2_ctrl_s_ctrl(mute, old_mute_val); |
| |
| return 0; |
| } |
| |
| int cx23885_set_frequency(struct file *file, void *priv, |
| const struct v4l2_frequency *f) |
| { |
| struct cx23885_dev *dev = video_drvdata(file); |
| int ret; |
| |
| switch (dev->board) { |
| case CX23885_BOARD_HAUPPAUGE_HVR1255: |
| case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: |
| case CX23885_BOARD_HAUPPAUGE_HVR1850: |
| ret = cx23885_set_freq_via_ops(dev, f); |
| break; |
| default: |
| ret = cx23885_set_freq(dev, f); |
| } |
| |
| return ret; |
| } |
| |
| static int vidioc_s_frequency(struct file *file, void *priv, |
| const struct v4l2_frequency *f) |
| { |
| return cx23885_set_frequency(file, priv, f); |
| } |
| |
| /* ----------------------------------------------------------- */ |
| |
| static void cx23885_vid_timeout(unsigned long data) |
| { |
| struct cx23885_dev *dev = (struct cx23885_dev *)data; |
| struct cx23885_dmaqueue *q = &dev->vidq; |
| struct cx23885_buffer *buf; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&dev->slock, flags); |
| while (!list_empty(&q->active)) { |
| buf = list_entry(q->active.next, |
| struct cx23885_buffer, vb.queue); |
| list_del(&buf->vb.queue); |
| buf->vb.state = VIDEOBUF_ERROR; |
| wake_up(&buf->vb.done); |
| printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n", |
| dev->name, buf, buf->vb.i, |
| (unsigned long)buf->risc.dma); |
| } |
| cx23885_restart_video_queue(dev, q); |
| spin_unlock_irqrestore(&dev->slock, flags); |
| } |
| |
| int cx23885_video_irq(struct cx23885_dev *dev, u32 status) |
| { |
| u32 mask, count; |
| int handled = 0; |
| |
| mask = cx_read(VID_A_INT_MSK); |
| if (0 == (status & mask)) |
| return handled; |
| |
| cx_write(VID_A_INT_STAT, status); |
| |
| /* risc op code error, fifo overflow or line sync detection error */ |
| if ((status & VID_BC_MSK_OPC_ERR) || |
| (status & VID_BC_MSK_SYNC) || |
| (status & VID_BC_MSK_OF)) { |
| |
| if (status & VID_BC_MSK_OPC_ERR) { |
| dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", |
| VID_BC_MSK_OPC_ERR); |
| printk(KERN_WARNING "%s: video risc op code error\n", |
| dev->name); |
| cx23885_sram_channel_dump(dev, |
| &dev->sram_channels[SRAM_CH01]); |
| } |
| |
| if (status & VID_BC_MSK_SYNC) |
| dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " |
| "video lines miss-match\n", |
| VID_BC_MSK_SYNC); |
| |
| if (status & VID_BC_MSK_OF) |
| dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", |
| VID_BC_MSK_OF); |
| |
| } |
| |
| /* Video */ |
| if (status & VID_BC_MSK_RISCI1) { |
| spin_lock(&dev->slock); |
| count = cx_read(VID_A_GPCNT); |
| cx23885_video_wakeup(dev, &dev->vidq, count); |
| spin_unlock(&dev->slock); |
| handled++; |
| } |
| if (status & VID_BC_MSK_RISCI2) { |
| dprintk(2, "stopper video\n"); |
| spin_lock(&dev->slock); |
| cx23885_restart_video_queue(dev, &dev->vidq); |
| spin_unlock(&dev->slock); |
| handled++; |
| } |
| |
| /* Allow the VBI framework to process it's payload */ |
| handled += cx23885_vbi_irq(dev, status); |
| |
| return handled; |
| } |
| |
| /* ----------------------------------------------------------- */ |
| /* exported stuff */ |
| |
| static const struct v4l2_file_operations video_fops = { |
| .owner = THIS_MODULE, |
| .open = video_open, |
| .release = video_release, |
| .read = video_read, |
| .poll = video_poll, |
| .mmap = video_mmap, |
| .unlocked_ioctl = video_ioctl2, |
| }; |
| |
| static const struct v4l2_ioctl_ops video_ioctl_ops = { |
| .vidioc_querycap = vidioc_querycap, |
| .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
| .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, |
| .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, |
| .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, |
| .vidioc_reqbufs = vidioc_reqbufs, |
| .vidioc_querybuf = vidioc_querybuf, |
| .vidioc_qbuf = vidioc_qbuf, |
| .vidioc_dqbuf = vidioc_dqbuf, |
| .vidioc_s_std = vidioc_s_std, |
| .vidioc_g_std = vidioc_g_std, |
| .vidioc_enum_input = vidioc_enum_input, |
| .vidioc_g_input = vidioc_g_input, |
| .vidioc_s_input = vidioc_s_input, |
| .vidioc_log_status = vidioc_log_status, |
| .vidioc_streamon = vidioc_streamon, |
| .vidioc_streamoff = vidioc_streamoff, |
| .vidioc_g_tuner = vidioc_g_tuner, |
| .vidioc_s_tuner = vidioc_s_tuner, |
| .vidioc_g_frequency = vidioc_g_frequency, |
| .vidioc_s_frequency = vidioc_s_frequency, |
| #ifdef CONFIG_VIDEO_ADV_DEBUG |
| .vidioc_g_chip_info = cx23885_g_chip_info, |
| .vidioc_g_register = cx23885_g_register, |
| .vidioc_s_register = cx23885_s_register, |
| #endif |
| .vidioc_enumaudio = vidioc_enum_audinput, |
| .vidioc_g_audio = vidioc_g_audinput, |
| .vidioc_s_audio = vidioc_s_audinput, |
| .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
| .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
| }; |
| |
| static struct video_device cx23885_vbi_template; |
| static struct video_device cx23885_video_template = { |
| .name = "cx23885-video", |
| .fops = &video_fops, |
| .ioctl_ops = &video_ioctl_ops, |
| .tvnorms = CX23885_NORMS, |
| }; |
| |
| void cx23885_video_unregister(struct cx23885_dev *dev) |
| { |
| dprintk(1, "%s()\n", __func__); |
| cx23885_irq_remove(dev, 0x01); |
| |
| if (dev->vbi_dev) { |
| if (video_is_registered(dev->vbi_dev)) |
| video_unregister_device(dev->vbi_dev); |
| else |
| video_device_release(dev->vbi_dev); |
| dev->vbi_dev = NULL; |
| btcx_riscmem_free(dev->pci, &dev->vbiq.stopper); |
| } |
| if (dev->video_dev) { |
| if (video_is_registered(dev->video_dev)) |
| video_unregister_device(dev->video_dev); |
| else |
| video_device_release(dev->video_dev); |
| dev->video_dev = NULL; |
| |
| btcx_riscmem_free(dev->pci, &dev->vidq.stopper); |
| } |
| |
| if (dev->audio_dev) |
| cx23885_audio_unregister(dev); |
| } |
| |
| int cx23885_video_register(struct cx23885_dev *dev) |
| { |
| int err; |
| |
| dprintk(1, "%s()\n", __func__); |
| spin_lock_init(&dev->slock); |
| |
| /* Initialize VBI template */ |
| cx23885_vbi_template = cx23885_video_template; |
| strcpy(cx23885_vbi_template.name, "cx23885-vbi"); |
| |
| dev->tvnorm = V4L2_STD_NTSC_M; |
| dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); |
| dev->width = norm_maxw(dev->tvnorm); |
| dev->height = norm_maxh(dev->tvnorm); |
| |
| /* init video dma queues */ |
| INIT_LIST_HEAD(&dev->vidq.active); |
| INIT_LIST_HEAD(&dev->vidq.queued); |
| dev->vidq.timeout.function = cx23885_vid_timeout; |
| dev->vidq.timeout.data = (unsigned long)dev; |
| init_timer(&dev->vidq.timeout); |
| cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, |
| VID_A_DMA_CTL, 0x11, 0x00); |
| |
| /* init vbi dma queues */ |
| INIT_LIST_HEAD(&dev->vbiq.active); |
| INIT_LIST_HEAD(&dev->vbiq.queued); |
| dev->vbiq.timeout.function = cx23885_vbi_timeout; |
| dev->vbiq.timeout.data = (unsigned long)dev; |
| init_timer(&dev->vbiq.timeout); |
| cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper, |
| VID_A_DMA_CTL, 0x22, 0x00); |
| |
| cx23885_irq_add_enable(dev, 0x01); |
| |
| if ((TUNER_ABSENT != dev->tuner_type) && |
| ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { |
| struct v4l2_subdev *sd = NULL; |
| |
| if (dev->tuner_addr) |
| sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, |
| &dev->i2c_bus[dev->tuner_bus].i2c_adap, |
| "tuner", dev->tuner_addr, NULL); |
| else |
| sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, |
| &dev->i2c_bus[dev->tuner_bus].i2c_adap, |
| "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); |
| if (sd) { |
| struct tuner_setup tun_setup; |
| |
| memset(&tun_setup, 0, sizeof(tun_setup)); |
| tun_setup.mode_mask = T_ANALOG_TV; |
| tun_setup.type = dev->tuner_type; |
| tun_setup.addr = v4l2_i2c_subdev_addr(sd); |
| tun_setup.tuner_callback = cx23885_tuner_callback; |
| |
| v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); |
| |
| if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || |
| (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { |
| struct xc2028_ctrl ctrl = { |
| .fname = XC2028_DEFAULT_FIRMWARE, |
| .max_len = 64 |
| }; |
| struct v4l2_priv_tun_config cfg = { |
| .tuner = dev->tuner_type, |
| .priv = &ctrl |
| }; |
| v4l2_subdev_call(sd, tuner, s_config, &cfg); |
| } |
| |
| if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { |
| struct xc2028_ctrl ctrl = { |
| .fname = "xc3028L-v36.fw", |
| .max_len = 64 |
| }; |
| struct v4l2_priv_tun_config cfg = { |
| .tuner = dev->tuner_type, |
| .priv = &ctrl |
| }; |
| v4l2_subdev_call(sd, tuner, s_config, &cfg); |
| } |
| } |
| } |
| |
| /* initial device configuration */ |
| mutex_lock(&dev->lock); |
| cx23885_set_tvnorm(dev, dev->tvnorm); |
| cx23885_video_mux(dev, 0); |
| cx23885_audio_mux(dev, 0); |
| mutex_unlock(&dev->lock); |
| |
| /* register Video device */ |
| dev->video_dev = cx23885_vdev_init(dev, dev->pci, |
| &cx23885_video_template, "video"); |
| err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, |
| video_nr[dev->nr]); |
| if (err < 0) { |
| printk(KERN_INFO "%s: can't register video device\n", |
| dev->name); |
| goto fail_unreg; |
| } |
| printk(KERN_INFO "%s: registered device %s [v4l2]\n", |
| dev->name, video_device_node_name(dev->video_dev)); |
| |
| /* register VBI device */ |
| dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, |
| &cx23885_vbi_template, "vbi"); |
| err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, |
| vbi_nr[dev->nr]); |
| if (err < 0) { |
| printk(KERN_INFO "%s: can't register vbi device\n", |
| dev->name); |
| goto fail_unreg; |
| } |
| printk(KERN_INFO "%s: registered device %s\n", |
| dev->name, video_device_node_name(dev->vbi_dev)); |
| |
| /* Register ALSA audio device */ |
| dev->audio_dev = cx23885_audio_register(dev); |
| |
| return 0; |
| |
| fail_unreg: |
| cx23885_video_unregister(dev); |
| return err; |
| } |
| |