diff options
Diffstat (limited to 'drivers/media/pci')
-rw-r--r-- | drivers/media/pci/ddbridge/ddbridge-core.c | 656 |
1 files changed, 325 insertions, 331 deletions
diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c index ec41804d78c7..d6dcc42ff222 100644 --- a/drivers/media/pci/ddbridge/ddbridge-core.c +++ b/drivers/media/pci/ddbridge/ddbridge-core.c @@ -404,43 +404,6 @@ static void ddb_buffers_free(struct ddb *dev) } } -static void ddb_input_start(struct ddb_input *input) -{ - struct ddb *dev = input->port->dev; - - spin_lock_irq(&input->lock); - input->cbuf = 0; - input->coff = 0; - - /* reset */ - ddbwritel(0, TS_INPUT_CONTROL(input->nr)); - ddbwritel(2, TS_INPUT_CONTROL(input->nr)); - ddbwritel(0, TS_INPUT_CONTROL(input->nr)); - - ddbwritel((1 << 16) | - (input->dma_buf_num << 11) | - (input->dma_buf_size >> 7), - DMA_BUFFER_SIZE(input->nr)); - ddbwritel(0, DMA_BUFFER_ACK(input->nr)); - - ddbwritel(1, DMA_BASE_WRITE); - ddbwritel(3, DMA_BUFFER_CONTROL(input->nr)); - ddbwritel(9, TS_INPUT_CONTROL(input->nr)); - input->running = 1; - spin_unlock_irq(&input->lock); -} - -static void ddb_input_stop(struct ddb_input *input) -{ - struct ddb *dev = input->port->dev; - - spin_lock_irq(&input->lock); - ddbwritel(0, TS_INPUT_CONTROL(input->nr)); - ddbwritel(0, DMA_BUFFER_CONTROL(input->nr)); - input->running = 0; - spin_unlock_irq(&input->lock); -} - static void ddb_output_start(struct ddb_output *output) { struct ddb *dev = output->port->dev; @@ -477,6 +440,43 @@ static void ddb_output_stop(struct ddb_output *output) spin_unlock_irq(&output->lock); } +static void ddb_input_stop(struct ddb_input *input) +{ + struct ddb *dev = input->port->dev; + + spin_lock_irq(&input->lock); + ddbwritel(0, TS_INPUT_CONTROL(input->nr)); + ddbwritel(0, DMA_BUFFER_CONTROL(input->nr)); + input->running = 0; + spin_unlock_irq(&input->lock); +} + +static void ddb_input_start(struct ddb_input *input) +{ + struct ddb *dev = input->port->dev; + + spin_lock_irq(&input->lock); + input->cbuf = 0; + input->coff = 0; + + /* reset */ + ddbwritel(0, TS_INPUT_CONTROL(input->nr)); + ddbwritel(2, TS_INPUT_CONTROL(input->nr)); + ddbwritel(0, TS_INPUT_CONTROL(input->nr)); + + ddbwritel((1 << 16) | + (input->dma_buf_num << 11) | + (input->dma_buf_size >> 7), + DMA_BUFFER_SIZE(input->nr)); + ddbwritel(0, DMA_BUFFER_ACK(input->nr)); + + ddbwritel(1, DMA_BASE_WRITE); + ddbwritel(3, DMA_BUFFER_CONTROL(input->nr)); + ddbwritel(9, TS_INPUT_CONTROL(input->nr)); + input->running = 1; + spin_unlock_irq(&input->lock); +} + static u32 ddb_output_free(struct ddb_output *output) { u32 idx, off, stat = output->stat; @@ -595,7 +595,98 @@ static ssize_t ddb_input_read(struct ddb_input *input, __user u8 *buf, size_t co return count; } -/******************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static ssize_t ts_write(struct file *file, const __user char *buf, + size_t count, loff_t *ppos) +{ + struct dvb_device *dvbdev = file->private_data; + struct ddb_output *output = dvbdev->priv; + size_t left = count; + int stat; + + while (left) { + if (ddb_output_free(output) < 188) { + if (file->f_flags & O_NONBLOCK) + break; + if (wait_event_interruptible( + output->wq, ddb_output_free(output) >= 188) < 0) + break; + } + stat = ddb_output_write(output, buf, left); + if (stat < 0) + break; + buf += stat; + left -= stat; + } + return (left == count) ? -EAGAIN : (count - left); +} + +static ssize_t ts_read(struct file *file, __user char *buf, + size_t count, loff_t *ppos) +{ + struct dvb_device *dvbdev = file->private_data; + struct ddb_output *output = dvbdev->priv; + struct ddb_input *input = output->port->input[0]; + int left, read; + + count -= count % 188; + left = count; + while (left) { + if (ddb_input_avail(input) < 188) { + if (file->f_flags & O_NONBLOCK) + break; + if (wait_event_interruptible( + input->wq, ddb_input_avail(input) >= 188) < 0) + break; + } + read = ddb_input_read(input, buf, left); + if (read < 0) + return read; + left -= read; + buf += read; + } + return (left == count) ? -EAGAIN : (count - left); +} + +static unsigned int ts_poll(struct file *file, poll_table *wait) +{ + /* + struct dvb_device *dvbdev = file->private_data; + struct ddb_output *output = dvbdev->priv; + struct ddb_input *input = output->port->input[0]; + */ + unsigned int mask = 0; + +#if 0 + if (data_avail_to_read) + mask |= POLLIN | POLLRDNORM; + if (data_avail_to_write) + mask |= POLLOUT | POLLWRNORM; + + poll_wait(file, &read_queue, wait); + poll_wait(file, &write_queue, wait); +#endif + return mask; +} + +static const struct file_operations ci_fops = { + .owner = THIS_MODULE, + .read = ts_read, + .write = ts_write, + .open = dvb_generic_open, + .release = dvb_generic_release, + .poll = ts_poll, +}; + +static struct dvb_device dvbdev_ci = { + .readers = -1, + .writers = -1, + .users = -1, + .fops = &ci_fops, +}; + /******************************************************************************/ /******************************************************************************/ @@ -1261,290 +1352,10 @@ static int dvb_input_attach(struct ddb_input *input) return 0; } -/****************************************************************************/ -/****************************************************************************/ - -static ssize_t ts_write(struct file *file, const __user char *buf, - size_t count, loff_t *ppos) -{ - struct dvb_device *dvbdev = file->private_data; - struct ddb_output *output = dvbdev->priv; - size_t left = count; - int stat; - - while (left) { - if (ddb_output_free(output) < 188) { - if (file->f_flags & O_NONBLOCK) - break; - if (wait_event_interruptible( - output->wq, ddb_output_free(output) >= 188) < 0) - break; - } - stat = ddb_output_write(output, buf, left); - if (stat < 0) - break; - buf += stat; - left -= stat; - } - return (left == count) ? -EAGAIN : (count - left); -} - -static ssize_t ts_read(struct file *file, __user char *buf, - size_t count, loff_t *ppos) -{ - struct dvb_device *dvbdev = file->private_data; - struct ddb_output *output = dvbdev->priv; - struct ddb_input *input = output->port->input[0]; - int left, read; - - count -= count % 188; - left = count; - while (left) { - if (ddb_input_avail(input) < 188) { - if (file->f_flags & O_NONBLOCK) - break; - if (wait_event_interruptible( - input->wq, ddb_input_avail(input) >= 188) < 0) - break; - } - read = ddb_input_read(input, buf, left); - if (read < 0) - return read; - left -= read; - buf += read; - } - return (left == count) ? -EAGAIN : (count - left); -} - -static unsigned int ts_poll(struct file *file, poll_table *wait) -{ - /* - struct dvb_device *dvbdev = file->private_data; - struct ddb_output *output = dvbdev->priv; - struct ddb_input *input = output->port->input[0]; - */ - unsigned int mask = 0; - -#if 0 - if (data_avail_to_read) - mask |= POLLIN | POLLRDNORM; - if (data_avail_to_write) - mask |= POLLOUT | POLLWRNORM; - - poll_wait(file, &read_queue, wait); - poll_wait(file, &write_queue, wait); -#endif - return mask; -} - -static const struct file_operations ci_fops = { - .owner = THIS_MODULE, - .read = ts_read, - .write = ts_write, - .open = dvb_generic_open, - .release = dvb_generic_release, - .poll = ts_poll, -}; - -static struct dvb_device dvbdev_ci = { - .readers = -1, - .writers = -1, - .users = -1, - .fops = &ci_fops, -}; - -/****************************************************************************/ -/****************************************************************************/ -/****************************************************************************/ - -static void input_tasklet(unsigned long data) -{ - struct ddb_input *input = (struct ddb_input *) data; - struct ddb *dev = input->port->dev; - - spin_lock(&input->lock); - if (!input->running) { - spin_unlock(&input->lock); - return; - } - input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr)); - - if (input->port->class == DDB_PORT_TUNER) { - if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr))) - dev_err(&dev->pdev->dev, "Overflow input %d\n", input->nr); - while (input->cbuf != ((input->stat >> 11) & 0x1f) - || (4 & safe_ddbreadl(dev, DMA_BUFFER_CONTROL(input->nr)))) { - dvb_dmx_swfilter_packets(&input->demux, - input->vbuf[input->cbuf], - input->dma_buf_size / 188); - - input->cbuf = (input->cbuf + 1) % input->dma_buf_num; - ddbwritel((input->cbuf << 11), - DMA_BUFFER_ACK(input->nr)); - input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr)); - } - } - if (input->port->class == DDB_PORT_CI) - wake_up(&input->wq); - spin_unlock(&input->lock); -} - -static void output_tasklet(unsigned long data) -{ - struct ddb_output *output = (struct ddb_output *) data; - struct ddb *dev = output->port->dev; - - spin_lock(&output->lock); - if (!output->running) { - spin_unlock(&output->lock); - return; - } - output->stat = ddbreadl(DMA_BUFFER_CURRENT(output->nr + 8)); - wake_up(&output->wq); - spin_unlock(&output->lock); -} - - -static struct cxd2099_cfg cxd_cfg = { - .bitrate = 62000, - .adr = 0x40, - .polarity = 1, - .clock_mode = 1, - .max_i2c = 512, -}; - -static int ddb_ci_attach(struct ddb_port *port) -{ - int ret; - - ret = dvb_register_adapter(&port->output->adap, - "DDBridge", - THIS_MODULE, - &port->dev->pdev->dev, - adapter_nr); - if (ret < 0) - return ret; - port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap); - if (!port->en) { - dvb_unregister_adapter(&port->output->adap); - return -ENODEV; - } - ddb_input_start(port->input[0]); - ddb_output_start(port->output); - dvb_ca_en50221_init(&port->output->adap, - port->en, 0, 1); - ret = dvb_register_device(&port->output->adap, &port->output->dev, - &dvbdev_ci, (void *) port->output, - DVB_DEVICE_SEC, 0); - return ret; -} - -static int ddb_port_attach(struct ddb_port *port) -{ - struct device *dev = &port->dev->pdev->dev; - int ret = 0; - - switch (port->class) { - case DDB_PORT_TUNER: - ret = dvb_input_attach(port->input[0]); - if (ret < 0) - break; - ret = dvb_input_attach(port->input[1]); - break; - case DDB_PORT_CI: - ret = ddb_ci_attach(port); - break; - default: - break; - } - if (ret < 0) - dev_err(dev, "port_attach on port %d failed\n", port->nr); - return ret; -} - -static int ddb_ports_attach(struct ddb *dev) -{ - int i, ret = 0; - struct ddb_port *port; - - for (i = 0; i < dev->info->port_num; i++) { - port = &dev->port[i]; - ret = ddb_port_attach(port); - if (ret < 0) - break; - } - return ret; -} - -static void ddb_ports_detach(struct ddb *dev) -{ - int i; - struct ddb_port *port; - - for (i = 0; i < dev->info->port_num; i++) { - port = &dev->port[i]; - switch (port->class) { - case DDB_PORT_TUNER: - dvb_input_detach(port->input[0]); - dvb_input_detach(port->input[1]); - break; - case DDB_PORT_CI: - dvb_unregister_device(port->output->dev); - if (port->en) { - ddb_input_stop(port->input[0]); - ddb_output_stop(port->output); - dvb_ca_en50221_release(port->en); - kfree(port->en); - port->en = NULL; - dvb_unregister_adapter(&port->output->adap); - } - break; - } - } -} - -/****************************************************************************/ -/****************************************************************************/ - -static int init_xo2(struct ddb_port *port) +static int port_has_ci(struct ddb_port *port) { - struct i2c_adapter *i2c = &port->i2c->adap; - struct device *dev = &port->dev->pdev->dev; - u8 val, data[2]; - int res; - - res = i2c_read_regs(i2c, 0x10, 0x04, data, 2); - if (res < 0) - return res; - - if (data[0] != 0x01) { - dev_info(dev, "Port %d: invalid XO2\n", port->nr); - return -1; - } - - i2c_read_reg(i2c, 0x10, 0x08, &val); - if (val != 0) { - i2c_write_reg(i2c, 0x10, 0x08, 0x00); - msleep(100); - } - /* Enable tuner power, disable pll, reset demods */ - i2c_write_reg(i2c, 0x10, 0x08, 0x04); - usleep_range(2000, 3000); - /* Release demod resets */ - i2c_write_reg(i2c, 0x10, 0x08, 0x07); - - /* speed: 0=55,1=75,2=90,3=104 MBit/s */ - i2c_write_reg(i2c, 0x10, 0x09, - ((xo2_speed >= 0 && xo2_speed <= 3) ? xo2_speed : 2)); - - i2c_write_reg(i2c, 0x10, 0x0a, 0x01); - i2c_write_reg(i2c, 0x10, 0x0b, 0x01); - - usleep_range(2000, 3000); - /* Start XO2 PLL */ - i2c_write_reg(i2c, 0x10, 0x08, 0x87); - - return 0; + u8 val; + return i2c_read_reg(&port->i2c->adap, 0x40, 0, &val) ? 0 : 1; } static int port_has_xo2(struct ddb_port *port, u8 *type, u8 *id) @@ -1568,15 +1379,6 @@ static int port_has_xo2(struct ddb_port *port, u8 *type, u8 *id) return 0; } -/****************************************************************************/ -/****************************************************************************/ - -static int port_has_ci(struct ddb_port *port) -{ - u8 val; - return i2c_read_reg(&port->i2c->adap, 0x40, 0, &val) ? 0 : 1; -} - static int port_has_stv0900(struct ddb_port *port) { u8 val; @@ -1616,6 +1418,47 @@ static int port_has_stv0367(struct ddb_port *port) return 1; } +static int init_xo2(struct ddb_port *port) +{ + struct i2c_adapter *i2c = &port->i2c->adap; + struct device *dev = &port->dev->pdev->dev; + u8 val, data[2]; + int res; + + res = i2c_read_regs(i2c, 0x10, 0x04, data, 2); + if (res < 0) + return res; + + if (data[0] != 0x01) { + dev_info(dev, "Port %d: invalid XO2\n", port->nr); + return -1; + } + + i2c_read_reg(i2c, 0x10, 0x08, &val); + if (val != 0) { + i2c_write_reg(i2c, 0x10, 0x08, 0x00); + msleep(100); + } + /* Enable tuner power, disable pll, reset demods */ + i2c_write_reg(i2c, 0x10, 0x08, 0x04); + usleep_range(2000, 3000); + /* Release demod resets */ + i2c_write_reg(i2c, 0x10, 0x08, 0x07); + + /* speed: 0=55,1=75,2=90,3=104 MBit/s */ + i2c_write_reg(i2c, 0x10, 0x09, + ((xo2_speed >= 0 && xo2_speed <= 3) ? xo2_speed : 2)); + + i2c_write_reg(i2c, 0x10, 0x0a, 0x01); + i2c_write_reg(i2c, 0x10, 0x0b, 0x01); + + usleep_range(2000, 3000); + /* Start XO2 PLL */ + i2c_write_reg(i2c, 0x10, 0x08, 0x87); + + return 0; +} + static int port_has_cxd28xx(struct ddb_port *port, u8 *id) { struct i2c_adapter *i2c = &port->i2c->adap; @@ -1758,6 +1601,158 @@ static void ddb_port_probe(struct ddb_port *port) port->nr, port->nr+1, modname); } +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static struct cxd2099_cfg cxd_cfg = { + .bitrate = 62000, + .adr = 0x40, + .polarity = 1, + .clock_mode = 1, + .max_i2c = 512, +}; + +static int ddb_ci_attach(struct ddb_port *port) +{ + int ret; + + ret = dvb_register_adapter(&port->output->adap, + "DDBridge", + THIS_MODULE, + &port->dev->pdev->dev, + adapter_nr); + if (ret < 0) + return ret; + port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap); + if (!port->en) { + dvb_unregister_adapter(&port->output->adap); + return -ENODEV; + } + ddb_input_start(port->input[0]); + ddb_output_start(port->output); + dvb_ca_en50221_init(&port->output->adap, + port->en, 0, 1); + ret = dvb_register_device(&port->output->adap, &port->output->dev, + &dvbdev_ci, (void *) port->output, + DVB_DEVICE_SEC, 0); + return ret; +} + +static int ddb_port_attach(struct ddb_port *port) +{ + struct device *dev = &port->dev->pdev->dev; + int ret = 0; + + switch (port->class) { + case DDB_PORT_TUNER: + ret = dvb_input_attach(port->input[0]); + if (ret < 0) + break; + ret = dvb_input_attach(port->input[1]); + break; + case DDB_PORT_CI: + ret = ddb_ci_attach(port); + break; + default: + break; + } + if (ret < 0) + dev_err(dev, "port_attach on port %d failed\n", port->nr); + return ret; +} + +static int ddb_ports_attach(struct ddb *dev) +{ + int i, ret = 0; + struct ddb_port *port; + + for (i = 0; i < dev->info->port_num; i++) { + port = &dev->port[i]; + ret = ddb_port_attach(port); + if (ret < 0) + break; + } + return ret; +} + +static void ddb_ports_detach(struct ddb *dev) +{ + int i; + struct ddb_port *port; + + for (i = 0; i < dev->info->port_num; i++) { + port = &dev->port[i]; + switch (port->class) { + case DDB_PORT_TUNER: + dvb_input_detach(port->input[0]); + dvb_input_detach(port->input[1]); + break; + case DDB_PORT_CI: + dvb_unregister_device(port->output->dev); + if (port->en) { + ddb_input_stop(port->input[0]); + ddb_output_stop(port->output); + dvb_ca_en50221_release(port->en); + kfree(port->en); + port->en = NULL; + dvb_unregister_adapter(&port->output->adap); + } + break; + } + } +} + +static void input_tasklet(unsigned long data) +{ + struct ddb_input *input = (struct ddb_input *) data; + struct ddb *dev = input->port->dev; + + spin_lock(&input->lock); + if (!input->running) { + spin_unlock(&input->lock); + return; + } + input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr)); + + if (input->port->class == DDB_PORT_TUNER) { + if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr))) + dev_err(&dev->pdev->dev, "Overflow input %d\n", input->nr); + while (input->cbuf != ((input->stat >> 11) & 0x1f) + || (4 & safe_ddbreadl(dev, DMA_BUFFER_CONTROL(input->nr)))) { + dvb_dmx_swfilter_packets(&input->demux, + input->vbuf[input->cbuf], + input->dma_buf_size / 188); + + input->cbuf = (input->cbuf + 1) % input->dma_buf_num; + ddbwritel((input->cbuf << 11), + DMA_BUFFER_ACK(input->nr)); + input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr)); + } + } + if (input->port->class == DDB_PORT_CI) + wake_up(&input->wq); + spin_unlock(&input->lock); +} + +static void output_tasklet(unsigned long data) +{ + struct ddb_output *output = (struct ddb_output *) data; + struct ddb *dev = output->port->dev; + + spin_lock(&output->lock); + if (!output->running) { + spin_unlock(&output->lock); + return; + } + output->stat = ddbreadl(DMA_BUFFER_CURRENT(output->nr + 8)); + wake_up(&output->wq); + spin_unlock(&output->lock); +} + +/****************************************************************************/ +/****************************************************************************/ + static void ddb_input_init(struct ddb_port *port, int nr) { struct ddb *dev = port->dev; @@ -2084,7 +2079,6 @@ static void ddb_device_destroy(struct ddb *dev) device_destroy(ddb_class, MKDEV(ddb_major, 0)); } - /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ |