| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Daniel Scheller | 18374 | 92.54% | 59 | 79.73% |
| Ralph Metzler | 1394 | 7.02% | 1 | 1.35% |
| Alexey Khoroshilov | 31 | 0.16% | 1 | 1.35% |
| Gustavo A. R. Silva | 22 | 0.11% | 1 | 1.35% |
| Christopher Reimer | 17 | 0.09% | 1 | 1.35% |
| Linus Torvalds | 4 | 0.02% | 1 | 1.35% |
| Mauro Carvalho Chehab | 4 | 0.02% | 3 | 4.05% |
| Greg Kroah-Hartman | 2 | 0.01% | 1 | 1.35% |
| Al Viro | 2 | 0.01% | 1 | 1.35% |
| Julia Lawall | 2 | 0.01% | 1 | 1.35% |
| Hans Verkuil | 1 | 0.01% | 1 | 1.35% |
| Oliver Endriss | 1 | 0.01% | 1 | 1.35% |
| Christophe Jaillet | 1 | 0.01% | 1 | 1.35% |
| Martin Blumenstingl | 1 | 0.01% | 1 | 1.35% |
| Total | 19856 | 74 |
// SPDX-License-Identifier: GPL-2.0 /* * ddbridge-core.c: Digital Devices bridge core functions * * Copyright (C) 2010-2017 Digital Devices GmbH * Marcus Metzler <mocm@metzlerbros.de> * Ralph Metzler <rjkm@metzlerbros.de> */ #include <linux/module.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/poll.h> #include <linux/io.h> #include <linux/pci.h> #include <linux/pci_ids.h> #include <linux/timer.h> #include <linux/i2c.h> #include <linux/swab.h> #include <linux/vmalloc.h> #include "ddbridge.h" #include "ddbridge-i2c.h" #include "ddbridge-regs.h" #include "ddbridge-max.h" #include "ddbridge-ci.h" #include "ddbridge-io.h" #include "tda18271c2dd.h" #include "stv6110x.h" #include "stv090x.h" #include "lnbh24.h" #include "drxk.h" #include "stv0367.h" #include "stv0367_priv.h" #include "cxd2841er.h" #include "tda18212.h" #include "stv0910.h" #include "stv6111.h" #include "lnbh25.h" #include "cxd2099.h" #include "ddbridge-dummy-fe.h" /****************************************************************************/ #define DDB_MAX_ADAPTER 64 /****************************************************************************/ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int adapter_alloc; module_param(adapter_alloc, int, 0444); MODULE_PARM_DESC(adapter_alloc, "0-one adapter per io, 1-one per tab with io, 2-one per tab, 3-one for all"); static int ci_bitrate = 70000; module_param(ci_bitrate, int, 0444); MODULE_PARM_DESC(ci_bitrate, " Bitrate in KHz for output to CI."); static int ts_loop = -1; module_param(ts_loop, int, 0444); MODULE_PARM_DESC(ts_loop, "TS in/out test loop on port ts_loop"); static int xo2_speed = 2; module_param(xo2_speed, int, 0444); MODULE_PARM_DESC(xo2_speed, "default transfer speed for xo2 based duoflex, 0=55,1=75,2=90,3=104 MBit/s, default=2, use attribute to change for individual cards"); #ifdef __arm__ static int alt_dma = 1; #else static int alt_dma; #endif module_param(alt_dma, int, 0444); MODULE_PARM_DESC(alt_dma, "use alternative DMA buffer handling"); static int no_init; module_param(no_init, int, 0444); MODULE_PARM_DESC(no_init, "do not initialize most devices"); static int stv0910_single; module_param(stv0910_single, int, 0444); MODULE_PARM_DESC(stv0910_single, "use stv0910 cards as single demods"); static int dma_buf_num = 8; module_param(dma_buf_num, int, 0444); MODULE_PARM_DESC(dma_buf_num, "Number of DMA buffers, possible values: 8-32"); static int dma_buf_size = 21; module_param(dma_buf_size, int, 0444); MODULE_PARM_DESC(dma_buf_size, "DMA buffer size as multiple of 128*47, possible values: 1-43"); static int dummy_tuner; module_param(dummy_tuner, int, 0444); MODULE_PARM_DESC(dummy_tuner, "attach dummy tuner to port 0 on Octopus V3 or Octopus Mini cards"); /****************************************************************************/ static DEFINE_MUTEX(redirect_lock); static struct workqueue_struct *ddb_wq; static struct ddb *ddbs[DDB_MAX_ADAPTER]; /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ struct ddb_irq *ddb_irq_set(struct ddb *dev, u32 link, u32 nr, void (*handler)(void *), void *data) { struct ddb_irq *irq = &dev->link[link].irq[nr]; irq->handler = handler; irq->data = data; return irq; } static void ddb_set_dma_table(struct ddb_io *io) { struct ddb *dev = io->port->dev; struct ddb_dma *dma = io->dma; u32 i; u64 mem; if (!dma) return; for (i = 0; i < dma->num; i++) { mem = dma->pbuf[i]; ddbwritel(dev, mem & 0xffffffff, dma->bufregs + i * 8); ddbwritel(dev, mem >> 32, dma->bufregs + i * 8 + 4); } dma->bufval = ((dma->div & 0x0f) << 16) | ((dma->num & 0x1f) << 11) | ((dma->size >> 7) & 0x7ff); } static void ddb_set_dma_tables(struct ddb *dev) { u32 i; for (i = 0; i < DDB_MAX_PORT; i++) { if (dev->port[i].input[0]) ddb_set_dma_table(dev->port[i].input[0]); if (dev->port[i].input[1]) ddb_set_dma_table(dev->port[i].input[1]); if (dev->port[i].output) ddb_set_dma_table(dev->port[i].output); } } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static void ddb_redirect_dma(struct ddb *dev, struct ddb_dma *sdma, struct ddb_dma *ddma) { u32 i, base; u64 mem; sdma->bufval = ddma->bufval; base = sdma->bufregs; for (i = 0; i < ddma->num; i++) { mem = ddma->pbuf[i]; ddbwritel(dev, mem & 0xffffffff, base + i * 8); ddbwritel(dev, mem >> 32, base + i * 8 + 4); } } static int ddb_unredirect(struct ddb_port *port) { struct ddb_input *oredi, *iredi = NULL; struct ddb_output *iredo = NULL; /* dev_info(port->dev->dev, * "unredirect %d.%d\n", port->dev->nr, port->nr); */ mutex_lock(&redirect_lock); if (port->output->dma->running) { mutex_unlock(&redirect_lock); return -EBUSY; } oredi = port->output->redi; if (!oredi) goto done; if (port->input[0]) { iredi = port->input[0]->redi; iredo = port->input[0]->redo; if (iredo) { iredo->port->output->redi = oredi; if (iredo->port->input[0]) { iredo->port->input[0]->redi = iredi; ddb_redirect_dma(oredi->port->dev, oredi->dma, iredo->dma); } port->input[0]->redo = NULL; ddb_set_dma_table(port->input[0]); } oredi->redi = iredi; port->input[0]->redi = NULL; } oredi->redo = NULL; port->output->redi = NULL; ddb_set_dma_table(oredi); done: mutex_unlock(&redirect_lock); return 0; } static int ddb_redirect(u32 i, u32 p) { struct ddb *idev = ddbs[(i >> 4) & 0x3f]; struct ddb_input *input, *input2; struct ddb *pdev = ddbs[(p >> 4) & 0x3f]; struct ddb_port *port; if (!idev || !pdev) return -EINVAL; if (!idev->has_dma || !pdev->has_dma) return -EINVAL; port = &pdev->port[p & 0x0f]; if (!port->output) return -EINVAL; if (ddb_unredirect(port)) return -EBUSY; if (i == 8) return 0; input = &idev->input[i & 7]; if (!input) return -EINVAL; mutex_lock(&redirect_lock); if (port->output->dma->running || input->dma->running) { mutex_unlock(&redirect_lock); return -EBUSY; } input2 = port->input[0]; if (input2) { if (input->redi) { input2->redi = input->redi; input->redi = NULL; } else { input2->redi = input; } } input->redo = port->output; port->output->redi = input; ddb_redirect_dma(input->port->dev, input->dma, port->output->dma); mutex_unlock(&redirect_lock); return 0; } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static void dma_free(struct pci_dev *pdev, struct ddb_dma *dma, int dir) { int i; if (!dma) return; for (i = 0; i < dma->num; i++) { if (dma->vbuf[i]) { if (alt_dma) { dma_unmap_single(&pdev->dev, dma->pbuf[i], dma->size, dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); kfree(dma->vbuf[i]); dma->vbuf[i] = NULL; } else { dma_free_coherent(&pdev->dev, dma->size, dma->vbuf[i], dma->pbuf[i]); } dma->vbuf[i] = NULL; } } } static int dma_alloc(struct pci_dev *pdev, struct ddb_dma *dma, int dir) { int i; if (!dma) return 0; for (i = 0; i < dma->num; i++) { if (alt_dma) { dma->vbuf[i] = kmalloc(dma->size, __GFP_RETRY_MAYFAIL); if (!dma->vbuf[i]) return -ENOMEM; dma->pbuf[i] = dma_map_single(&pdev->dev, dma->vbuf[i], dma->size, dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); if (dma_mapping_error(&pdev->dev, dma->pbuf[i])) { kfree(dma->vbuf[i]); dma->vbuf[i] = NULL; return -ENOMEM; } } else { dma->vbuf[i] = dma_alloc_coherent(&pdev->dev, dma->size, &dma->pbuf[i], GFP_KERNEL); if (!dma->vbuf[i]) return -ENOMEM; } } return 0; } int ddb_buffers_alloc(struct ddb *dev) { int i; struct ddb_port *port; for (i = 0; i < dev->port_num; i++) { port = &dev->port[i]; switch (port->class) { case DDB_PORT_TUNER: if (port->input[0]->dma) if (dma_alloc(dev->pdev, port->input[0]->dma, 0) < 0) return -1; if (port->input[1]->dma) if (dma_alloc(dev->pdev, port->input[1]->dma, 0) < 0) return -1; break; case DDB_PORT_CI: case DDB_PORT_LOOP: if (port->input[0]->dma) if (dma_alloc(dev->pdev, port->input[0]->dma, 0) < 0) return -1; if (port->output->dma) if (dma_alloc(dev->pdev, port->output->dma, 1) < 0) return -1; break; default: break; } } ddb_set_dma_tables(dev); return 0; } void ddb_buffers_free(struct ddb *dev) { int i; struct ddb_port *port; for (i = 0; i < dev->port_num; i++) { port = &dev->port[i]; if (port->input[0] && port->input[0]->dma) dma_free(dev->pdev, port->input[0]->dma, 0); if (port->input[1] && port->input[1]->dma) dma_free(dev->pdev, port->input[1]->dma, 0); if (port->output && port->output->dma) dma_free(dev->pdev, port->output->dma, 1); } } static void calc_con(struct ddb_output *output, u32 *con, u32 *con2, u32 flags) { struct ddb *dev = output->port->dev; u32 bitrate = output->port->obr, max_bitrate = 72000; u32 gap = 4, nco = 0; *con = 0x1c; if (output->port->gap != 0xffffffff) { flags |= 1; gap = output->port->gap; max_bitrate = 0; } if (dev->link[0].info->type == DDB_OCTOPUS_CI && output->port->nr > 1) { *con = 0x10c; if (dev->link[0].ids.regmapid >= 0x10003 && !(flags & 1)) { if (!(flags & 2)) { /* NCO */ max_bitrate = 0; gap = 0; if (bitrate != 72000) { if (bitrate >= 96000) { *con |= 0x800; } else { *con |= 0x1000; nco = (bitrate * 8192 + 71999) / 72000; } } } else { /* Divider and gap */ *con |= 0x1810; if (bitrate <= 64000) { max_bitrate = 64000; nco = 8; } else if (bitrate <= 72000) { max_bitrate = 72000; nco = 7; } else { max_bitrate = 96000; nco = 5; } } } else { if (bitrate > 72000) { *con |= 0x810; /* 96 MBit/s and gap */ max_bitrate = 96000; } *con |= 0x10; /* enable gap */ } } if (max_bitrate > 0) { if (bitrate > max_bitrate) bitrate = max_bitrate; if (bitrate < 31000) bitrate = 31000; gap = ((max_bitrate - bitrate) * 94) / bitrate; if (gap < 2) *con &= ~0x10; /* Disable gap */ else gap -= 2; if (gap > 127) gap = 127; } *con2 = (nco << 16) | gap; } static void ddb_output_start(struct ddb_output *output) { struct ddb *dev = output->port->dev; u32 con = 0x11c, con2 = 0; spin_lock_irq(&output->dma->lock); output->dma->cbuf = 0; output->dma->coff = 0; output->dma->stat = 0; ddbwritel(dev, 0, DMA_BUFFER_CONTROL(output->dma)); if (output->port->input[0]->port->class == DDB_PORT_LOOP) con = (1UL << 13) | 0x14; else calc_con(output, &con, &con2, 0); ddbwritel(dev, 0, TS_CONTROL(output)); ddbwritel(dev, 2, TS_CONTROL(output)); ddbwritel(dev, 0, TS_CONTROL(output)); ddbwritel(dev, con, TS_CONTROL(output)); ddbwritel(dev, con2, TS_CONTROL2(output)); ddbwritel(dev, output->dma->bufval, DMA_BUFFER_SIZE(output->dma)); ddbwritel(dev, 0, DMA_BUFFER_ACK(output->dma)); ddbwritel(dev, 1, DMA_BASE_READ); ddbwritel(dev, 7, DMA_BUFFER_CONTROL(output->dma)); ddbwritel(dev, con | 1, TS_CONTROL(output)); output->dma->running = 1; spin_unlock_irq(&output->dma->lock); } static void ddb_output_stop(struct ddb_output *output) { struct ddb *dev = output->port->dev; spin_lock_irq(&output->dma->lock); ddbwritel(dev, 0, TS_CONTROL(output)); ddbwritel(dev, 0, DMA_BUFFER_CONTROL(output->dma)); output->dma->running = 0; spin_unlock_irq(&output->dma->lock); } static void ddb_input_stop(struct ddb_input *input) { struct ddb *dev = input->port->dev; u32 tag = DDB_LINK_TAG(input->port->lnr); spin_lock_irq(&input->dma->lock); ddbwritel(dev, 0, tag | TS_CONTROL(input)); ddbwritel(dev, 0, DMA_BUFFER_CONTROL(input->dma)); input->dma->running = 0; spin_unlock_irq(&input->dma->lock); } static void ddb_input_start(struct ddb_input *input) { struct ddb *dev = input->port->dev; spin_lock_irq(&input->dma->lock); input->dma->cbuf = 0; input->dma->coff = 0; input->dma->stat = 0; ddbwritel(dev, 0, DMA_BUFFER_CONTROL(input->dma)); ddbwritel(dev, 0, TS_CONTROL(input)); ddbwritel(dev, 2, TS_CONTROL(input)); ddbwritel(dev, 0, TS_CONTROL(input)); ddbwritel(dev, input->dma->bufval, DMA_BUFFER_SIZE(input->dma)); ddbwritel(dev, 0, DMA_BUFFER_ACK(input->dma)); ddbwritel(dev, 1, DMA_BASE_WRITE); ddbwritel(dev, 3, DMA_BUFFER_CONTROL(input->dma)); ddbwritel(dev, 0x09, TS_CONTROL(input)); if (input->port->type == DDB_TUNER_DUMMY) ddbwritel(dev, 0x000fff01, TS_CONTROL2(input)); input->dma->running = 1; spin_unlock_irq(&input->dma->lock); } static void ddb_input_start_all(struct ddb_input *input) { struct ddb_input *i = input; struct ddb_output *o; mutex_lock(&redirect_lock); while (i && (o = i->redo)) { ddb_output_start(o); i = o->port->input[0]; if (i) ddb_input_start(i); } ddb_input_start(input); mutex_unlock(&redirect_lock); } static void ddb_input_stop_all(struct ddb_input *input) { struct ddb_input *i = input; struct ddb_output *o; mutex_lock(&redirect_lock); ddb_input_stop(input); while (i && (o = i->redo)) { ddb_output_stop(o); i = o->port->input[0]; if (i) ddb_input_stop(i); } mutex_unlock(&redirect_lock); } static u32 ddb_output_free(struct ddb_output *output) { u32 idx, off, stat = output->dma->stat; s32 diff; idx = (stat >> 11) & 0x1f; off = (stat & 0x7ff) << 7; if (output->dma->cbuf != idx) { if ((((output->dma->cbuf + 1) % output->dma->num) == idx) && (output->dma->size - output->dma->coff <= (2 * 188))) return 0; return 188; } diff = off - output->dma->coff; if (diff <= 0 || diff > (2 * 188)) return 188; return 0; } static ssize_t ddb_output_write(struct ddb_output *output, const __user u8 *buf, size_t count) { struct ddb *dev = output->port->dev; u32 idx, off, stat = output->dma->stat; u32 left = count, len; idx = (stat >> 11) & 0x1f; off = (stat & 0x7ff) << 7; while (left) { len = output->dma->size - output->dma->coff; if ((((output->dma->cbuf + 1) % output->dma->num) == idx) && off == 0) { if (len <= 188) break; len -= 188; } if (output->dma->cbuf == idx) { if (off > output->dma->coff) { len = off - output->dma->coff; len -= (len % 188); if (len <= 188) break; len -= 188; } } if (len > left) len = left; if (copy_from_user(output->dma->vbuf[output->dma->cbuf] + output->dma->coff, buf, len)) return -EIO; if (alt_dma) dma_sync_single_for_device( dev->dev, output->dma->pbuf[output->dma->cbuf], output->dma->size, DMA_TO_DEVICE); left -= len; buf += len; output->dma->coff += len; if (output->dma->coff == output->dma->size) { output->dma->coff = 0; output->dma->cbuf = ((output->dma->cbuf + 1) % output->dma->num); } ddbwritel(dev, (output->dma->cbuf << 11) | (output->dma->coff >> 7), DMA_BUFFER_ACK(output->dma)); } return count - left; } static u32 ddb_input_avail(struct ddb_input *input) { struct ddb *dev = input->port->dev; u32 idx, off, stat = input->dma->stat; u32 ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(input->dma)); idx = (stat >> 11) & 0x1f; off = (stat & 0x7ff) << 7; if (ctrl & 4) { dev_err(dev->dev, "IA %d %d %08x\n", idx, off, ctrl); ddbwritel(dev, stat, DMA_BUFFER_ACK(input->dma)); return 0; } if (input->dma->cbuf != idx) return 188; return 0; } static ssize_t ddb_input_read(struct ddb_input *input, __user u8 *buf, size_t count) { struct ddb *dev = input->port->dev; u32 left = count; u32 idx, free, stat = input->dma->stat; int ret; idx = (stat >> 11) & 0x1f; while (left) { if (input->dma->cbuf == idx) return count - left; free = input->dma->size - input->dma->coff; if (free > left) free = left; if (alt_dma) dma_sync_single_for_cpu( dev->dev, input->dma->pbuf[input->dma->cbuf], input->dma->size, DMA_FROM_DEVICE); ret = copy_to_user(buf, input->dma->vbuf[input->dma->cbuf] + input->dma->coff, free); if (ret) return -EFAULT; input->dma->coff += free; if (input->dma->coff == input->dma->size) { input->dma->coff = 0; input->dma->cbuf = (input->dma->cbuf + 1) % input->dma->num; } left -= free; buf += free; ddbwritel(dev, (input->dma->cbuf << 11) | (input->dma->coff >> 7), DMA_BUFFER_ACK(input->dma)); } 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; struct ddb *dev = output->port->dev; size_t left = count; int stat; if (!dev->has_dma) return -EINVAL; while (left) { if (ddb_output_free(output) < 188) { if (file->f_flags & O_NONBLOCK) break; if (wait_event_interruptible( output->dma->wq, ddb_output_free(output) >= 188) < 0) break; } stat = ddb_output_write(output, buf, left); if (stat < 0) return stat; 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]; struct ddb *dev = output->port->dev; size_t left = count; int stat; if (!dev->has_dma) return -EINVAL; while (left) { if (ddb_input_avail(input) < 188) { if (file->f_flags & O_NONBLOCK) break; if (wait_event_interruptible( input->dma->wq, ddb_input_avail(input) >= 188) < 0) break; } stat = ddb_input_read(input, buf, left); if (stat < 0) return stat; left -= stat; buf += stat; } return (count && (left == count)) ? -EAGAIN : (count - left); } static __poll_t 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]; __poll_t mask = 0; poll_wait(file, &input->dma->wq, wait); poll_wait(file, &output->dma->wq, wait); if (ddb_input_avail(input) >= 188) mask |= EPOLLIN | EPOLLRDNORM; if (ddb_output_free(output) >= 188) mask |= EPOLLOUT | EPOLLWRNORM; return mask; } static int ts_release(struct inode *inode, struct file *file) { struct dvb_device *dvbdev = file->private_data; struct ddb_output *output = NULL; struct ddb_input *input = NULL; if (dvbdev) { output = dvbdev->priv; input = output->port->input[0]; } if ((file->f_flags & O_ACCMODE) == O_RDONLY) { if (!input) return -EINVAL; ddb_input_stop(input); } else if ((file->f_flags & O_ACCMODE) == O_WRONLY) { if (!output) return -EINVAL; ddb_output_stop(output); } return dvb_generic_release(inode, file); } static int ts_open(struct inode *inode, struct file *file) { int err; struct dvb_device *dvbdev = file->private_data; struct ddb_output *output = NULL; struct ddb_input *input = NULL; if (dvbdev) { output = dvbdev->priv; input = output->port->input[0]; } if ((file->f_flags & O_ACCMODE) == O_RDONLY) { if (!input) return -EINVAL; if (input->redo || input->redi) return -EBUSY; } else if ((file->f_flags & O_ACCMODE) == O_WRONLY) { if (!output) return -EINVAL; } else { return -EINVAL; } err = dvb_generic_open(inode, file); if (err < 0) return err; if ((file->f_flags & O_ACCMODE) == O_RDONLY) ddb_input_start(input); else if ((file->f_flags & O_ACCMODE) == O_WRONLY) ddb_output_start(output); return err; } static const struct file_operations ci_fops = { .owner = THIS_MODULE, .read = ts_read, .write = ts_write, .open = ts_open, .release = ts_release, .poll = ts_poll, .mmap = NULL, }; static struct dvb_device dvbdev_ci = { .priv = NULL, .readers = 1, .writers = 1, .users = 2, .fops = &ci_fops, }; /****************************************************************************/ /****************************************************************************/ static int locked_gate_ctrl(struct dvb_frontend *fe, int enable) { struct ddb_input *input = fe->sec_priv; struct ddb_port *port = input->port; struct ddb_dvb *dvb = &port->dvb[input->nr & 1]; int status; if (enable) { mutex_lock(&port->i2c_gate_lock); status = dvb->i2c_gate_ctrl(fe, 1); } else { status = dvb->i2c_gate_ctrl(fe, 0); mutex_unlock(&port->i2c_gate_lock); } return status; } static int demod_attach_drxk(struct ddb_input *input) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; struct drxk_config config; memset(&config, 0, sizeof(config)); config.adr = 0x29 + (input->nr & 1); config.microcode_name = "drxk_a3.mc"; dvb->fe = dvb_attach(drxk_attach, &config, i2c); if (!dvb->fe) { dev_err(dev, "No DRXK found!\n"); return -ENODEV; } dvb->fe->sec_priv = input; dvb->i2c_gate_ctrl = dvb->fe->ops.i2c_gate_ctrl; dvb->fe->ops.i2c_gate_ctrl = locked_gate_ctrl; return 0; } static int tuner_attach_tda18271(struct ddb_input *input) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; struct dvb_frontend *fe; if (dvb->fe->ops.i2c_gate_ctrl) dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 1); fe = dvb_attach(tda18271c2dd_attach, dvb->fe, i2c, 0x60); if (dvb->fe->ops.i2c_gate_ctrl) dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 0); if (!fe) { dev_err(dev, "No TDA18271 found!\n"); return -ENODEV; } return 0; } /******************************************************************************/ /******************************************************************************/ /******************************************************************************/ static struct stv0367_config ddb_stv0367_config[] = { { .demod_address = 0x1f, .xtal = 27000000, .if_khz = 0, .if_iq_mode = FE_TER_NORMAL_IF_TUNER, .ts_mode = STV0367_SERIAL_PUNCT_CLOCK, .clk_pol = STV0367_CLOCKPOLARITY_DEFAULT, }, { .demod_address = 0x1e, .xtal = 27000000, .if_khz = 0, .if_iq_mode = FE_TER_NORMAL_IF_TUNER, .ts_mode = STV0367_SERIAL_PUNCT_CLOCK, .clk_pol = STV0367_CLOCKPOLARITY_DEFAULT, }, }; static int demod_attach_stv0367(struct ddb_input *input) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; /* attach frontend */ dvb->fe = dvb_attach(stv0367ddb_attach, &ddb_stv0367_config[(input->nr & 1)], i2c); if (!dvb->fe) { dev_err(dev, "No stv0367 found!\n"); return -ENODEV; } dvb->fe->sec_priv = input; dvb->i2c_gate_ctrl = dvb->fe->ops.i2c_gate_ctrl; dvb->fe->ops.i2c_gate_ctrl = locked_gate_ctrl; return 0; } static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr) { struct i2c_adapter *adapter = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; u8 tda_id[2]; u8 subaddr = 0x00; dev_dbg(dev, "stv0367-tda18212 tuner ping\n"); if (dvb->fe->ops.i2c_gate_ctrl) dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 1); if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0) dev_dbg(dev, "tda18212 ping 1 fail\n"); if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0) dev_warn(dev, "tda18212 ping failed, expect problems\n"); if (dvb->fe->ops.i2c_gate_ctrl) dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 0); return 0; } static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; struct cxd2841er_config cfg; /* the cxd2841er driver expects 8bit/shifted I2C addresses */ cfg.i2c_addr = ((input->nr & 1) ? 0x6d : 0x6c) << 1; cfg.xtal = osc24 ? SONY_XTAL_24000 : SONY_XTAL_20500; cfg.flags = CXD2841ER_AUTO_IFHZ | CXD2841ER_EARLY_TUNE | CXD2841ER_NO_WAIT_LOCK | CXD2841ER_NO_AGCNEG | CXD2841ER_TSBITS; if (!par) cfg.flags |= CXD2841ER_TS_SERIAL; /* attach frontend */ dvb->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c); if (!dvb->fe) { dev_err(dev, "No cxd2837/38/43/54 found!\n"); return -ENODEV; } dvb->fe->sec_priv = input; dvb->i2c_gate_ctrl = dvb->fe->ops.i2c_gate_ctrl; dvb->fe->ops.i2c_gate_ctrl = locked_gate_ctrl; return 0; } static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype) { struct i2c_adapter *adapter = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; struct i2c_client *client; struct tda18212_config config = { .fe = dvb->fe, .if_dvbt_6 = 3550, .if_dvbt_7 = 3700, .if_dvbt_8 = 4150, .if_dvbt2_6 = 3250, .if_dvbt2_7 = 4000, .if_dvbt2_8 = 4000, .if_dvbc = 5000, }; u8 addr = (input->nr & 1) ? 0x63 : 0x60; /* due to a hardware quirk with the I2C gate on the stv0367+tda18212 * combo, the tda18212 must be probed by reading it's id _twice_ when * cold started, or it very likely will fail. */ if (porttype == DDB_TUNER_DVBCT_ST) tuner_tda18212_ping(input, addr); /* perform tuner probe/init/attach */ client = dvb_module_probe("tda18212", NULL, adapter, addr, &config); if (!client) goto err; dvb->i2c_client[0] = client; return 0; err: dev_err(dev, "TDA18212 tuner not found. Device is not fully operational.\n"); return -ENODEV; } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static struct stv090x_config stv0900 = { .device = STV0900, .demod_mode = STV090x_DUAL, .clk_mode = STV090x_CLK_EXT, .xtal = 27000000, .address = 0x69, .ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED, .ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED, .ts1_tei = 1, .ts2_tei = 1, .repeater_level = STV090x_RPTLEVEL_16, .adc1_range = STV090x_ADC_1Vpp, .adc2_range = STV090x_ADC_1Vpp, .diseqc_envelope_mode = true, }; static struct stv090x_config stv0900_aa = { .device = STV0900, .demod_mode = STV090x_DUAL, .clk_mode = STV090x_CLK_EXT, .xtal = 27000000, .address = 0x68, .ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED, .ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED, .ts1_tei = 1, .ts2_tei = 1, .repeater_level = STV090x_RPTLEVEL_16, .adc1_range = STV090x_ADC_1Vpp, .adc2_range = STV090x_ADC_1Vpp, .diseqc_envelope_mode = true, }; static struct stv6110x_config stv6110a = { .addr = 0x60, .refclk = 27000000, .clk_div = 1, }; static struct stv6110x_config stv6110b = { .addr = 0x63, .refclk = 27000000, .clk_div = 1, }; static int demod_attach_stv0900(struct ddb_input *input, int type) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; dvb->fe = dvb_attach(stv090x_attach, feconf, i2c, (input->nr & 1) ? STV090x_DEMODULATOR_1 : STV090x_DEMODULATOR_0); if (!dvb->fe) { dev_err(dev, "No STV0900 found!\n"); return -ENODEV; } if (!dvb_attach(lnbh24_attach, dvb->fe, i2c, 0, 0, (input->nr & 1) ? (0x09 - type) : (0x0b - type))) { dev_err(dev, "No LNBH24 found!\n"); dvb_frontend_detach(dvb->fe); return -ENODEV; } return 0; } static int tuner_attach_stv6110(struct ddb_input *input, int type) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900; struct stv6110x_config *tunerconf = (input->nr & 1) ? &stv6110b : &stv6110a; const struct stv6110x_devctl *ctl; ctl = dvb_attach(stv6110x_attach, dvb->fe, tunerconf, i2c); if (!ctl) { dev_err(dev, "No STV6110X found!\n"); return -ENODEV; } dev_info(dev, "attach tuner input %d adr %02x\n", input->nr, tunerconf->addr); feconf->tuner_init = ctl->tuner_init; feconf->tuner_sleep = ctl->tuner_sleep; feconf->tuner_set_mode = ctl->tuner_set_mode; feconf->tuner_set_frequency = ctl->tuner_set_frequency; feconf->tuner_get_frequency = ctl->tuner_get_frequency; feconf->tuner_set_bandwidth = ctl->tuner_set_bandwidth; feconf->tuner_get_bandwidth = ctl->tuner_get_bandwidth; feconf->tuner_set_bbgain = ctl->tuner_set_bbgain; feconf->tuner_get_bbgain = ctl->tuner_get_bbgain; feconf->tuner_set_refclk = ctl->tuner_set_refclk; feconf->tuner_get_status = ctl->tuner_get_status; return 0; } static const struct stv0910_cfg stv0910_p = { .adr = 0x68, .parallel = 1, .rptlvl = 4, .clk = 30000000, .tsspeed = 0x28, }; static const struct lnbh25_config lnbh25_cfg = { .i2c_address = 0x0c << 1, .data2_config = LNBH25_TEN }; static int has_lnbh25(struct i2c_adapter *i2c, u8 adr) { u8 val; return i2c_read_reg(i2c, adr, 0, &val) ? 0 : 1; } static int demod_attach_stv0910(struct ddb_input *input, int type, int tsfast) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; struct stv0910_cfg cfg = stv0910_p; struct lnbh25_config lnbcfg = lnbh25_cfg; if (stv0910_single) cfg.single = 1; if (type) cfg.parallel = 2; if (tsfast) { dev_info(dev, "Enabling stv0910 higher speed TS\n"); cfg.tsspeed = 0x10; } dvb->fe = dvb_attach(stv0910_attach, i2c, &cfg, (input->nr & 1)); if (!dvb->fe) { cfg.adr = 0x6c; dvb->fe = dvb_attach(stv0910_attach, i2c, &cfg, (input->nr & 1)); } if (!dvb->fe) { dev_err(dev, "No STV0910 found!\n"); return -ENODEV; } /* attach lnbh25 - leftshift by one as the lnbh25 driver expects 8bit * i2c addresses */ if (has_lnbh25(i2c, 0x0d)) lnbcfg.i2c_address = (((input->nr & 1) ? 0x0d : 0x0c) << 1); else lnbcfg.i2c_address = (((input->nr & 1) ? 0x09 : 0x08) << 1); if (!dvb_attach(lnbh25_attach, dvb->fe, &lnbcfg, i2c)) { dev_err(dev, "No LNBH25 found!\n"); dvb_frontend_detach(dvb->fe); return -ENODEV; } return 0; } static int tuner_attach_stv6111(struct ddb_input *input, int type) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; struct dvb_frontend *fe; u8 adr = (type ? 0 : 4) + ((input->nr & 1) ? 0x63 : 0x60); fe = dvb_attach(stv6111_attach, dvb->fe, i2c, adr); if (!fe) { fe = dvb_attach(stv6111_attach, dvb->fe, i2c, adr & ~4); if (!fe) { dev_err(dev, "No STV6111 found at 0x%02x!\n", adr); return -ENODEV; } } return 0; } static int demod_attach_dummy(struct ddb_input *input) { struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct device *dev = input->port->dev->dev; dvb->fe = dvb_attach(ddbridge_dummy_fe_qam_attach); if (!dvb->fe) { dev_err(dev, "QAM dummy attach failed!\n"); return -ENODEV; } return 0; } static int start_feed(struct dvb_demux_feed *dvbdmxfeed) { struct dvb_demux *dvbdmx = dvbdmxfeed->demux; struct ddb_input *input = dvbdmx->priv; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; if (!dvb->users) ddb_input_start_all(input); return ++dvb->users; } static int stop_feed(struct dvb_demux_feed *dvbdmxfeed) { struct dvb_demux *dvbdmx = dvbdmxfeed->demux; struct ddb_input *input = dvbdmx->priv; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; if (--dvb->users) return dvb->users; ddb_input_stop_all(input); return 0; } static void dvb_input_detach(struct ddb_input *input) { struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct dvb_demux *dvbdemux = &dvb->demux; switch (dvb->attached) { case 0x31: if (dvb->fe2) dvb_unregister_frontend(dvb->fe2); if (dvb->fe) dvb_unregister_frontend(dvb->fe); fallthrough; case 0x30: dvb_module_release(dvb->i2c_client[0]); dvb->i2c_client[0] = NULL; if (dvb->fe2) dvb_frontend_detach(dvb->fe2); if (dvb->fe) dvb_frontend_detach(dvb->fe); dvb->fe = NULL; dvb->fe2 = NULL; fallthrough; case 0x20: dvb_net_release(&dvb->dvbnet); fallthrough; case 0x12: dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &dvb->hw_frontend); dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &dvb->mem_frontend); fallthrough; case 0x11: dvb_dmxdev_release(&dvb->dmxdev); fallthrough; case 0x10: dvb_dmx_release(&dvb->demux); fallthrough; case 0x01: break; } dvb->attached = 0x00; } static int dvb_register_adapters(struct ddb *dev) { int i, ret = 0; struct ddb_port *port; struct dvb_adapter *adap; if (adapter_alloc == 3) { port = &dev->port[0]; adap = port->dvb[0].adap; ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE, port->dev->dev, adapter_nr); if (ret < 0) return ret; port->dvb[0].adap_registered = 1; for (i = 0; i < dev->port_num; i++) { port = &dev->port[i]; port->dvb[0].adap = adap; port->dvb[1].adap = adap; } return 0; } for (i = 0; i < dev->port_num; i++) { port = &dev->port[i]; switch (port->class) { case DDB_PORT_TUNER: adap = port->dvb[0].adap; ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE, port->dev->dev, adapter_nr); if (ret < 0) return ret; port->dvb[0].adap_registered = 1; if (adapter_alloc > 0) { port->dvb[1].adap = port->dvb[0].adap; break; } adap = port->dvb[1].adap; ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE, port->dev->dev, adapter_nr); if (ret < 0) return ret; port->dvb[1].adap_registered = 1; break; case DDB_PORT_CI: case DDB_PORT_LOOP: adap = port->dvb[0].adap; ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE, port->dev->dev, adapter_nr); if (ret < 0) return ret; port->dvb[0].adap_registered = 1; break; default: if (adapter_alloc < 2) break; adap = port->dvb[0].adap; ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE, port->dev->dev, adapter_nr); if (ret < 0) return ret; port->dvb[0].adap_registered = 1; break; } } return ret; } static void dvb_unregister_adapters(struct ddb *dev) { int i; struct ddb_port *port; struct ddb_dvb *dvb; for (i = 0; i < dev->link[0].info->port_num; i++) { port = &dev->port[i]; dvb = &port->dvb[0]; if (dvb->adap_registered) dvb_unregister_adapter(dvb->adap); dvb->adap_registered = 0; dvb = &port->dvb[1]; if (dvb->adap_registered) dvb_unregister_adapter(dvb->adap); dvb->adap_registered = 0; } } static int dvb_input_attach(struct ddb_input *input) { int ret = 0; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct ddb_port *port = input->port; struct dvb_adapter *adap = dvb->adap; struct dvb_demux *dvbdemux = &dvb->demux; struct ddb_ids *devids = &input->port->dev->link[input->port->lnr].ids; int par = 0, osc24 = 0, tsfast = 0; /* * Determine if bridges with stv0910 demods can run with fast TS and * thus support high bandwidth transponders. * STV0910_PR and STV0910_P tuner types covers all relevant bridges, * namely the CineS2 V7(A) and the Octopus CI S2 Pro/Advanced. All * DuoFlex S2 V4(A) have type=DDB_TUNER_DVBS_STV0910 without any suffix * and are limited by the serial link to the bridge, thus won't work * in fast TS mode. */ if (port->nr == 0 && (port->type == DDB_TUNER_DVBS_STV0910_PR || port->type == DDB_TUNER_DVBS_STV0910_P)) { /* fast TS on port 0 requires FPGA version >= 1.7 */ if ((devids->hwid & 0x00ffffff) >= 0x00010007) tsfast = 1; } dvb->attached = 0x01; dvbdemux->priv = input; dvbdemux->dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING; dvbdemux->start_feed = start_feed; dvbdemux->stop_feed = stop_feed; dvbdemux->filternum = 256; dvbdemux->feednum = 256; ret = dvb_dmx_init(dvbdemux); if (ret < 0) return ret; dvb->attached = 0x10; dvb->dmxdev.filternum = 256; dvb->dmxdev.demux = &dvbdemux->dmx; ret = dvb_dmxdev_init(&dvb->dmxdev, adap); if (ret < 0) goto err_detach; dvb->attached = 0x11; dvb->mem_frontend.source = DMX_MEMORY_FE; dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->mem_frontend); dvb->hw_frontend.source = DMX_FRONTEND_0; dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->hw_frontend); ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &dvb->hw_frontend); if (ret < 0) goto err_detach; dvb->attached = 0x12; ret = dvb_net_init(adap, &dvb->dvbnet, dvb->dmxdev.demux); if (ret < 0) goto err_detach; dvb->attached = 0x20; dvb->fe = NULL; dvb->fe2 = NULL; switch (port->type) { case DDB_TUNER_MXL5XX: if (ddb_fe_attach_mxl5xx(input) < 0) goto err_detach; break; case DDB_TUNER_DVBS_ST: if (demod_attach_stv0900(input, 0) < 0) goto err_detach; if (tuner_attach_stv6110(input, 0) < 0) goto err_tuner; break; case DDB_TUNER_DVBS_ST_AA: if (demod_attach_stv0900(input, 1) < 0) goto err_detach; if (tuner_attach_stv6110(input, 1) < 0) goto err_tuner; break; case DDB_TUNER_DVBS_STV0910: if (demod_attach_stv0910(input, 0, tsfast) < 0) goto err_detach; if (tuner_attach_stv6111(input, 0) < 0) goto err_tuner; break; case DDB_TUNER_DVBS_STV0910_PR: if (demod_attach_stv0910(input, 1, tsfast) < 0) goto err_detach; if (tuner_attach_stv6111(input, 1) < 0) goto err_tuner; break; case DDB_TUNER_DVBS_STV0910_P: if (demod_attach_stv0910(input, 0, tsfast) < 0) goto err_detach; if (tuner_attach_stv6111(input, 1) < 0) goto err_tuner; break; case DDB_TUNER_DVBCT_TR: if (demod_attach_drxk(input) < 0) goto err_detach; if (tuner_attach_tda18271(input) < 0) goto err_tuner; break; case DDB_TUNER_DVBCT_ST: if (demod_attach_stv0367(input) < 0) goto err_detach; if (tuner_attach_tda18212(input, port->type) < 0) goto err_tuner; break; case DDB_TUNER_DVBC2T2I_SONY_P: if (input->port->dev->link[input->port->lnr].info->ts_quirks & TS_QUIRK_ALT_OSC) osc24 = 0; else osc24 = 1; fallthrough; case DDB_TUNER_DVBCT2_SONY_P: case DDB_TUNER_DVBC2T2_SONY_P: case DDB_TUNER_ISDBT_SONY_P: if (input->port->dev->link[input->port->lnr].info->ts_quirks & TS_QUIRK_SERIAL) par = 0; else par = 1; if (demod_attach_cxd28xx(input, par, osc24) < 0) goto err_detach; if (tuner_attach_tda18212(input, port->type) < 0) goto err_tuner; break; case DDB_TUNER_DVBC2T2I_SONY: osc24 = 1; fallthrough; case DDB_TUNER_DVBCT2_SONY: case DDB_TUNER_DVBC2T2_SONY: case DDB_TUNER_ISDBT_SONY: if (demod_attach_cxd28xx(input, 0, osc24) < 0) goto err_detach; if (tuner_attach_tda18212(input, port->type) < 0) goto err_tuner; break; case DDB_TUNER_DUMMY: if (demod_attach_dummy(input) < 0) goto err_detach; break; case DDB_TUNER_MCI_SX8: if (ddb_fe_attach_mci(input, port->type) < 0) goto err_detach; break; default: return 0; } dvb->attached = 0x30; if (dvb->fe) { if (dvb_register_frontend(adap, dvb->fe) < 0) goto err_detach; if (dvb->fe2) { if (dvb_register_frontend(adap, dvb->fe2) < 0) { dvb_unregister_frontend(dvb->fe); goto err_detach; } dvb->fe2->tuner_priv = dvb->fe->tuner_priv; memcpy(&dvb->fe2->ops.tuner_ops, &dvb->fe->ops.tuner_ops, sizeof(struct dvb_tuner_ops)); } } dvb->attached = 0x31; return 0; err_tuner: dev_err(port->dev->dev, "tuner attach failed!\n"); if (dvb->fe2) dvb_frontend_detach(dvb->fe2); if (dvb->fe) dvb_frontend_detach(dvb->fe); err_detach: dvb_input_detach(input); /* return error from ret if set */ if (ret < 0) return ret; return -ENODEV; } static int port_has_encti(struct ddb_port *port) { struct device *dev = port->dev->dev; u8 val; int ret = i2c_read_reg(&port->i2c->adap, 0x20, 0, &val); if (!ret) dev_info(dev, "[0x20]=0x%02x\n", val); return ret ? 0 : 1; } static int port_has_cxd(struct ddb_port *port, u8 *type) { u8 val; u8 probe[4] = { 0xe0, 0x00, 0x00, 0x00 }, data[4]; struct i2c_msg msgs[2] = {{ .addr = 0x40, .flags = 0, .buf = probe, .len = 4 }, { .addr = 0x40, .flags = I2C_M_RD, .buf = data, .len = 4 } }; val = i2c_transfer(&port->i2c->adap, msgs, 2); if (val != 2) return 0; if (data[0] == 0x02 && data[1] == 0x2b && data[3] == 0x43) *type = 2; else *type = 1; return 1; } static int port_has_xo2(struct ddb_port *port, u8 *type, u8 *id) { u8 probe[1] = { 0x00 }, data[4]; if (i2c_io(&port->i2c->adap, 0x10, probe, 1, data, 4)) return 0; if (data[0] == 'D' && data[1] == 'F') { *id = data[2]; *type = 1; return 1; } if (data[0] == 'C' && data[1] == 'I') { *id = data[2]; *type = 2; return 1; } return 0; } static int port_has_stv0900(struct ddb_port *port) { u8 val; if (i2c_read_reg16(&port->i2c->adap, 0x69, 0xf100, &val) < 0) return 0; return 1; } static int port_has_stv0900_aa(struct ddb_port *port, u8 *id) { if (i2c_read_reg16(&port->i2c->adap, 0x68, 0xf100, id) < 0) return 0; return 1; } static int port_has_drxks(struct ddb_port *port) { u8 val; if (i2c_read(&port->i2c->adap, 0x29, &val) < 0) return 0; if (i2c_read(&port->i2c->adap, 0x2a, &val) < 0) return 0; return 1; } static int port_has_stv0367(struct ddb_port *port) { u8 val; if (i2c_read_reg16(&port->i2c->adap, 0x1e, 0xf000, &val) < 0) return 0; if (val != 0x60) return 0; if (i2c_read_reg16(&port->i2c->adap, 0x1f, 0xf000, &val) < 0) return 0; if (val != 0x60) return 0; return 1; } static int init_xo2(struct ddb_port *port) { struct i2c_adapter *i2c = &port->i2c->adap; struct ddb *dev = port->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->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); if (dev->link[port->lnr].info->con_clock) { dev_info(dev->dev, "Setting continuous clock for XO2\n"); i2c_write_reg(i2c, 0x10, 0x0a, 0x03); i2c_write_reg(i2c, 0x10, 0x0b, 0x03); } else { 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 init_xo2_ci(struct ddb_port *port) { struct i2c_adapter *i2c = &port->i2c->adap; struct ddb *dev = port->dev; u8 val, data[2]; int res; res = i2c_read_regs(i2c, 0x10, 0x04, data, 2); if (res < 0) return res; if (data[0] > 1) { dev_info(dev->dev, "Port %d: invalid XO2 CI %02x\n", port->nr, data[0]); return -1; } dev_info(dev->dev, "Port %d: DuoFlex CI %u.%u\n", port->nr, data[0], data[1]); i2c_read_reg(i2c, 0x10, 0x08, &val); if (val != 0) { i2c_write_reg(i2c, 0x10, 0x08, 0x00); msleep(100); } /* Enable both CI */ i2c_write_reg(i2c, 0x10, 0x08, 3); usleep_range(2000, 3000); /* speed: 0=55,1=75,2=90,3=104 MBit/s */ i2c_write_reg(i2c, 0x10, 0x09, 1); i2c_write_reg(i2c, 0x10, 0x08, 0x83); usleep_range(2000, 3000); if (dev->link[port->lnr].info->con_clock) { dev_info(dev->dev, "Setting continuous clock for DuoFlex CI\n"); i2c_write_reg(i2c, 0x10, 0x0a, 0x03); i2c_write_reg(i2c, 0x10, 0x0b, 0x03); } else { i2c_write_reg(i2c, 0x10, 0x0a, 0x01); i2c_write_reg(i2c, 0x10, 0x0b, 0x01); } return 0; } static int port_has_cxd28xx(struct ddb_port *port, u8 *id) { struct i2c_adapter *i2c = &port->i2c->adap; int status; status = i2c_write_reg(&port->i2c->adap, 0x6e, 0, 0); if (status) return 0; status = i2c_read_reg(i2c, 0x6e, 0xfd, id); if (status) return 0; return 1; } static char *xo2names[] = { "DUAL DVB-S2", "DUAL DVB-C/T/T2", "DUAL DVB-ISDBT", "DUAL DVB-C/C2/T/T2", "DUAL ATSC", "DUAL DVB-C/C2/T/T2,ISDB-T", "", "" }; static char *xo2types[] = { "DVBS_ST", "DVBCT2_SONY", "ISDBT_SONY", "DVBC2T2_SONY", "ATSC_ST", "DVBC2T2I_SONY" }; static void ddb_port_probe(struct ddb_port *port) { struct ddb *dev = port->dev; u32 l = port->lnr; struct ddb_link *link = &dev->link[l]; u8 id, type; port->name = "NO MODULE"; port->type_name = "NONE"; port->class = DDB_PORT_NONE; /* Handle missing ports and ports without I2C */ if (dummy_tuner && !port->nr && link->ids.device == 0x0005) { port->name = "DUMMY"; port->class = DDB_PORT_TUNER; port->type = DDB_TUNER_DUMMY; port->type_name = "DUMMY"; return; } if (port->nr == ts_loop) { port->name = "TS LOOP"; port->class = DDB_PORT_LOOP; return; } if (port->nr == 1 && link->info->type == DDB_OCTOPUS_CI && link->info->i2c_mask == 1) { port->name = "NO TAB"; port->class = DDB_PORT_NONE; return; } if (link->info->type == DDB_OCTOPUS_MAX) { port->name = "DUAL DVB-S2 MAX"; port->type_name = "MXL5XX"; port->class = DDB_PORT_TUNER; port->type = DDB_TUNER_MXL5XX; if (port->i2c) ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING); return; } if (link->info->type == DDB_OCTOPUS_MCI) { if (port->nr >= link->info->mci_ports) return; port->name = "DUAL MCI"; port->type_name = "MCI"; port->class = DDB_PORT_TUNER; port->type = DDB_TUNER_MCI + link->info->mci_type; return; } if (port->nr > 1 && link->info->type == DDB_OCTOPUS_CI) { port->name = "CI internal"; port->type_name = "INTERNAL"; port->class = DDB_PORT_CI; port->type = DDB_CI_INTERNAL; } if (!port->i2c) return; /* Probe ports with I2C */ if (port_has_cxd(port, &id)) { if (id == 1) { port->name = "CI"; port->type_name = "CXD2099"; port->class = DDB_PORT_CI; port->type = DDB_CI_EXTERNAL_SONY; ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING); } else { dev_info(dev->dev, "Port %d: Uninitialized DuoFlex\n", port->nr); return; } } else if (port_has_xo2(port, &type, &id)) { ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING); /*dev_info(dev->dev, "XO2 ID %02x\n", id);*/ if (type == 2) { port->name = "DuoFlex CI"; port->class = DDB_PORT_CI; port->type = DDB_CI_EXTERNAL_XO2; port->type_name = "CI_XO2"; init_xo2_ci(port); return; } id >>= 2; if (id > 5) { port->name = "unknown XO2 DuoFlex"; port->type_name = "UNKNOWN"; } else { port->name = xo2names[id]; port->class = DDB_PORT_TUNER; port->type = DDB_TUNER_XO2 + id; port->type_name = xo2types[id]; init_xo2(port); } } else if (port_has_cxd28xx(port, &id)) { switch (id) { case 0xa4: port->name = "DUAL DVB-C2T2 CXD2843"; port->type = DDB_TUNER_DVBC2T2_SONY_P; port->type_name = "DVBC2T2_SONY"; break; case 0xb1: port->name = "DUAL DVB-CT2 CXD2837"; port->type = DDB_TUNER_DVBCT2_SONY_P; port->type_name = "DVBCT2_SONY"; break; case 0xb0: port->name = "DUAL ISDB-T CXD2838"; port->type = DDB_TUNER_ISDBT_SONY_P; port->type_name = "ISDBT_SONY"; break; case 0xc1: port->name = "DUAL DVB-C2T2 ISDB-T CXD2854"; port->type = DDB_TUNER_DVBC2T2I_SONY_P; port->type_name = "DVBC2T2I_ISDBT_SONY"; break; default: return; } port->class = DDB_PORT_TUNER; ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING); } else if (port_has_stv0900(port)) { port->name = "DUAL DVB-S2"; port->class = DDB_PORT_TUNER; port->type = DDB_TUNER_DVBS_ST; port->type_name = "DVBS_ST"; ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING); } else if (port_has_stv0900_aa(port, &id)) { port->name = "DUAL DVB-S2"; port->class = DDB_PORT_TUNER; if (id == 0x51) { if (port->nr == 0 && link->info->ts_quirks & TS_QUIRK_REVERSED) port->type = DDB_TUNER_DVBS_STV0910_PR; else port->type = DDB_TUNER_DVBS_STV0910_P; port->type_name = "DVBS_ST_0910"; } else { port->type = DDB_TUNER_DVBS_ST_AA; port->type_name = "DVBS_ST_AA"; } ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING); } else if (port_has_drxks(port)) { port->name = "DUAL DVB-C/T"; port->class = DDB_PORT_TUNER; port->type = DDB_TUNER_DVBCT_TR; port->type_name = "DVBCT_TR"; ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING); } else if (port_has_stv0367(port)) { port->name = "DUAL DVB-C/T"; port->class = DDB_PORT_TUNER; port->type = DDB_TUNER_DVBCT_ST; port->type_name = "DVBCT_ST"; ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING); } else if (port_has_encti(port)) { port->name = "ENCTI"; port->class = DDB_PORT_LOOP; } } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static int ddb_port_attach(struct ddb_port *port) { 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]); if (ret < 0) { dvb_input_detach(port->input[0]); break; } port->input[0]->redi = port->input[0]; port->input[1]->redi = port->input[1]; break; case DDB_PORT_CI: ret = ddb_ci_attach(port, ci_bitrate); if (ret < 0) break; fallthrough; case DDB_PORT_LOOP: ret = dvb_register_device(port->dvb[0].adap, &port->dvb[0].dev, &dvbdev_ci, (void *)port->output, DVB_DEVICE_SEC, 0); break; default: break; } if (ret < 0) dev_err(port->dev->dev, "port_attach on port %d failed\n", port->nr); return ret; } int ddb_ports_attach(struct ddb *dev) { int i, numports, err_ports = 0, ret = 0; struct ddb_port *port; if (dev->port_num) { ret = dvb_register_adapters(dev); if (ret < 0) { dev_err(dev->dev, "Registering adapters failed. Check DVB_MAX_ADAPTERS in config.\n"); return ret; } } numports = dev->port_num; for (i = 0; i < dev->port_num; i++) { port = &dev->port[i]; if (port->class != DDB_PORT_NONE) { ret = ddb_port_attach(port); if (ret) err_ports++; } else { numports--; } } if (err_ports) { if (err_ports == numports) { dev_err(dev->dev, "All connected ports failed to initialise!\n"); return -ENODEV; } dev_warn(dev->dev, "%d of %d connected ports failed to initialise!\n", err_ports, numports); } return 0; } void ddb_ports_detach(struct ddb *dev) { int i; struct ddb_port *port; for (i = 0; i < dev->port_num; i++) { port = &dev->port[i]; switch (port->class) { case DDB_PORT_TUNER: dvb_input_detach(port->input[1]); dvb_input_detach(port->input[0]); break; case DDB_PORT_CI: case DDB_PORT_LOOP: ddb_ci_detach(port); break; } } dvb_unregister_adapters(dev); } /* Copy input DMA pointers to output DMA and ACK. */ static void input_write_output(struct ddb_input *input, struct ddb_output *output) { ddbwritel(output->port->dev, input->dma->stat, DMA_BUFFER_ACK(output->dma)); output->dma->cbuf = (input->dma->stat >> 11) & 0x1f; output->dma->coff = (input->dma->stat & 0x7ff) << 7; } static void output_ack_input(struct ddb_output *output, struct ddb_input *input) { ddbwritel(input->port->dev, output->dma->stat, DMA_BUFFER_ACK(input->dma)); } static void input_write_dvb(struct ddb_input *input, struct ddb_input *input2) { struct ddb_dvb *dvb = &input2->port->dvb[input2->nr & 1]; struct ddb_dma *dma, *dma2; struct ddb *dev = input->port->dev; int ack = 1; dma = input->dma; dma2 = input->dma; /* * if there also is an output connected, do not ACK. * input_write_output will ACK. */ if (input->redo) { dma2 = input->redo->dma; ack = 0; } while (dma->cbuf != ((dma->stat >> 11) & 0x1f) || (4 & dma->ctrl)) { if (4 & dma->ctrl) { /* dev_err(dev->dev, "Overflow dma %d\n", dma->nr); */ ack = 1; } if (alt_dma) dma_sync_single_for_cpu(dev->dev, dma2->pbuf[dma->cbuf], dma2->size, DMA_FROM_DEVICE); dvb_dmx_swfilter_packets(&dvb->demux, dma2->vbuf[dma->cbuf], dma2->size / 188); dma->cbuf = (dma->cbuf + 1) % dma2->num; if (ack) ddbwritel(dev, (dma->cbuf << 11), DMA_BUFFER_ACK(dma)); dma->stat = safe_ddbreadl(dev, DMA_BUFFER_CURRENT(dma)); dma->ctrl = safe_ddbreadl(dev, DMA_BUFFER_CONTROL(dma)); } } static void input_work(struct work_struct *work) { struct ddb_dma *dma = container_of(work, struct ddb_dma, work); struct ddb_input *input = (struct ddb_input *)dma->io; struct ddb *dev = input->port->dev; unsigned long flags; spin_lock_irqsave(&dma->lock, flags); if (!dma->running) { spin_unlock_irqrestore(&dma->lock, flags); return; } dma->stat = ddbreadl(dev, DMA_BUFFER_CURRENT(dma)); dma->ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(dma)); if (input->redi) input_write_dvb(input, input->redi); if (input->redo) input_write_output(input, input->redo); wake_up(&dma->wq); spin_unlock_irqrestore(&dma->lock, flags); } static void input_handler(void *data) { struct ddb_input *input = (struct ddb_input *)data; struct ddb_dma *dma = input->dma; queue_work(ddb_wq, &dma->work); } static void output_work(struct work_struct *work) { struct ddb_dma *dma = container_of(work, struct ddb_dma, work); struct ddb_output *output = (struct ddb_output *)dma->io; struct ddb *dev = output->port->dev; unsigned long flags; spin_lock_irqsave(&dma->lock, flags); if (!dma->running) goto unlock_exit; dma->stat = ddbreadl(dev, DMA_BUFFER_CURRENT(dma)); dma->ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(dma)); if (output->redi) output_ack_input(output, output->redi); wake_up(&dma->wq); unlock_exit: spin_unlock_irqrestore(&dma->lock, flags); } static void output_handler(void *data) { struct ddb_output *output = (struct ddb_output *)data; struct ddb_dma *dma = output->dma; queue_work(ddb_wq, &dma->work); } /****************************************************************************/ /****************************************************************************/ static const struct ddb_regmap *io_regmap(struct ddb_io *io, int link) { const struct ddb_info *info; if (link) info = io->port->dev->link[io->port->lnr].info; else info = io->port->dev->link[0].info; if (!info) return NULL; return info->regmap; } static void ddb_dma_init(struct ddb_io *io, int nr, int out) { struct ddb_dma *dma; const struct ddb_regmap *rm = io_regmap(io, 0); dma = out ? &io->port->dev->odma[nr] : &io->port->dev->idma[nr]; io->dma = dma; dma->io = io; spin_lock_init(&dma->lock); init_waitqueue_head(&dma->wq); if (out) { INIT_WORK(&dma->work, output_work); dma->regs = rm->odma->base + rm->odma->size * nr; dma->bufregs = rm->odma_buf->base + rm->odma_buf->size * nr; dma->num = dma_buf_num; dma->size = dma_buf_size * 128 * 47; dma->div = 1; } else { INIT_WORK(&dma->work, input_work); dma->regs = rm->idma->base + rm->idma->size * nr; dma->bufregs = rm->idma_buf->base + rm->idma_buf->size * nr; dma->num = dma_buf_num; dma->size = dma_buf_size * 128 * 47; dma->div = 1; } ddbwritel(io->port->dev, 0, DMA_BUFFER_ACK(dma)); dev_dbg(io->port->dev->dev, "init link %u, io %u, dma %u, dmaregs %08x bufregs %08x\n", io->port->lnr, io->nr, nr, dma->regs, dma->bufregs); } static void ddb_input_init(struct ddb_port *port, int nr, int pnr, int anr) { struct ddb *dev = port->dev; struct ddb_input *input = &dev->input[anr]; const struct ddb_regmap *rm; port->input[pnr] = input; input->nr = nr; input->port = port; rm = io_regmap(input, 1); input->regs = DDB_LINK_TAG(port->lnr) | (rm->input->base + rm->input->size * nr); dev_dbg(dev->dev, "init link %u, input %u, regs %08x\n", port->lnr, nr, input->regs); if (dev->has_dma) { const struct ddb_regmap *rm0 = io_regmap(input, 0); u32 base = rm0->irq_base_idma; u32 dma_nr = nr; if (port->lnr) dma_nr += 32 + (port->lnr - 1) * 8; dev_dbg(dev->dev, "init link %u, input %u, handler %u\n", port->lnr, nr, dma_nr + base); ddb_irq_set(dev, 0, dma_nr + base, &input_handler, input); ddb_dma_init(input, dma_nr, 0); } } static void ddb_output_init(struct ddb_port *port, int nr) { struct ddb *dev = port->dev; struct ddb_output *output = &dev->output[nr]; const struct ddb_regmap *rm; port->output = output; output->nr = nr; output->port = port; rm = io_regmap(output, 1); output->regs = DDB_LINK_TAG(port->lnr) | (rm->output->base + rm->output->size * nr); dev_dbg(dev->dev, "init link %u, output %u, regs %08x\n", port->lnr, nr, output->regs); if (dev->has_dma) { const struct ddb_regmap *rm0 = io_regmap(output, 0); u32 base = rm0->irq_base_odma; ddb_irq_set(dev, 0, nr + base, &output_handler, output); ddb_dma_init(output, nr, 1); } } static int ddb_port_match_i2c(struct ddb_port *port) { struct ddb *dev = port->dev; u32 i; for (i = 0; i < dev->i2c_num; i++) { if (dev->i2c[i].link == port->lnr && dev->i2c[i].nr == port->nr) { port->i2c = &dev->i2c[i]; return 1; } } return 0; } static int ddb_port_match_link_i2c(struct ddb_port *port) { struct ddb *dev = port->dev; u32 i; for (i = 0; i < dev->i2c_num; i++) { if (dev->i2c[i].link == port->lnr) { port->i2c = &dev->i2c[i]; return 1; } } return 0; } void ddb_ports_init(struct ddb *dev) { u32 i, l, p; struct ddb_port *port; const struct ddb_info *info; const struct ddb_regmap *rm; for (p = l = 0; l < DDB_MAX_LINK; l++) { info = dev->link[l].info; if (!info) continue; rm = info->regmap; if (!rm) continue; for (i = 0; i < info->port_num; i++, p++) { port = &dev->port[p]; port->dev = dev; port->nr = i; port->lnr = l; port->pnr = p; port->gap = 0xffffffff; port->obr = ci_bitrate; mutex_init(&port->i2c_gate_lock); if (!ddb_port_match_i2c(port)) { if (info->type == DDB_OCTOPUS_MAX) ddb_port_match_link_i2c(port); } ddb_port_probe(port); port->dvb[0].adap = &dev->adap[2 * p]; port->dvb[1].adap = &dev->adap[2 * p + 1]; if (port->class == DDB_PORT_NONE && i && p && dev->port[p - 1].type == DDB_CI_EXTERNAL_XO2) { port->class = DDB_PORT_CI; port->type = DDB_CI_EXTERNAL_XO2_B; port->name = "DuoFlex CI_B"; port->i2c = dev->port[p - 1].i2c; } dev_info(dev->dev, "Port %u: Link %u, Link Port %u (TAB %u): %s\n", port->pnr, port->lnr, port->nr, port->nr + 1, port->name); if (port->class == DDB_PORT_CI && port->type == DDB_CI_EXTERNAL_XO2) { ddb_input_init(port, 2 * i, 0, 2 * i); ddb_output_init(port, i); continue; } if (port->class == DDB_PORT_CI && port->type == DDB_CI_EXTERNAL_XO2_B) { ddb_input_init(port, 2 * i - 1, 0, 2 * i - 1); ddb_output_init(port, i); continue; } if (port->class == DDB_PORT_NONE) continue; switch (dev->link[l].info->type) { case DDB_OCTOPUS_CI: if (i >= 2) { ddb_input_init(port, 2 + i, 0, 2 + i); ddb_input_init(port, 4 + i, 1, 4 + i); ddb_output_init(port, i); break; } fallthrough; case DDB_OCTOPUS: ddb_input_init(port, 2 * i, 0, 2 * i); ddb_input_init(port, 2 * i + 1, 1, 2 * i + 1); ddb_output_init(port, i); break; case DDB_OCTOPUS_MAX: case DDB_OCTOPUS_MAX_CT: case DDB_OCTOPUS_MCI: ddb_input_init(port, 2 * i, 0, 2 * p); ddb_input_init(port, 2 * i + 1, 1, 2 * p + 1); break; default: break; } } } dev->port_num = p; } void ddb_ports_release(struct ddb *dev) { int i; struct ddb_port *port; for (i = 0; i < dev->port_num; i++) { port = &dev->port[i]; if (port->input[0] && port->input[0]->dma) cancel_work_sync(&port->input[0]->dma->work); if (port->input[1] && port->input[1]->dma) cancel_work_sync(&port->input[1]->dma->work); if (port->output && port->output->dma) cancel_work_sync(&port->output->dma->work); } } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ #define IRQ_HANDLE(_nr) \ do { if ((s & (1UL << ((_nr) & 0x1f))) && \ dev->link[0].irq[_nr].handler) \ dev->link[0].irq[_nr].handler(dev->link[0].irq[_nr].data); } \ while (0) #define IRQ_HANDLE_NIBBLE(_shift) { \ if (s & (0x0000000f << ((_shift) & 0x1f))) { \ IRQ_HANDLE(0 + (_shift)); \ IRQ_HANDLE(1 + (_shift)); \ IRQ_HANDLE(2 + (_shift)); \ IRQ_HANDLE(3 + (_shift)); \ } \ } #define IRQ_HANDLE_BYTE(_shift) { \ if (s & (0x000000ff << ((_shift) & 0x1f))) { \ IRQ_HANDLE(0 + (_shift)); \ IRQ_HANDLE(1 + (_shift)); \ IRQ_HANDLE(2 + (_shift)); \ IRQ_HANDLE(3 + (_shift)); \ IRQ_HANDLE(4 + (_shift)); \ IRQ_HANDLE(5 + (_shift)); \ IRQ_HANDLE(6 + (_shift)); \ IRQ_HANDLE(7 + (_shift)); \ } \ } static void irq_handle_msg(struct ddb *dev, u32 s) { dev->i2c_irq++; IRQ_HANDLE_NIBBLE(0); } static void irq_handle_io(struct ddb *dev, u32 s) { dev->ts_irq++; IRQ_HANDLE_NIBBLE(4); IRQ_HANDLE_BYTE(8); IRQ_HANDLE_BYTE(16); IRQ_HANDLE_BYTE(24); } irqreturn_t ddb_irq_handler0(int irq, void *dev_id) { struct ddb *dev = (struct ddb *)dev_id; u32 mask = 0x8fffff00; u32 s = mask & ddbreadl(dev, INTERRUPT_STATUS); if (!s) return IRQ_NONE; do { if (s & 0x80000000) return IRQ_NONE; ddbwritel(dev, s, INTERRUPT_ACK); irq_handle_io(dev, s); } while ((s = mask & ddbreadl(dev, INTERRUPT_STATUS))); return IRQ_HANDLED; } irqreturn_t ddb_irq_handler1(int irq, void *dev_id) { struct ddb *dev = (struct ddb *)dev_id; u32 mask = 0x8000000f; u32 s = mask & ddbreadl(dev, INTERRUPT_STATUS); if (!s) return IRQ_NONE; do { if (s & 0x80000000) return IRQ_NONE; ddbwritel(dev, s, INTERRUPT_ACK); irq_handle_msg(dev, s); } while ((s = mask & ddbreadl(dev, INTERRUPT_STATUS))); return IRQ_HANDLED; } irqreturn_t ddb_irq_handler(int irq, void *dev_id) { struct ddb *dev = (struct ddb *)dev_id; u32 s = ddbreadl(dev, INTERRUPT_STATUS); int ret = IRQ_HANDLED; if (!s) return IRQ_NONE; do { if (s & 0x80000000) return IRQ_NONE; ddbwritel(dev, s, INTERRUPT_ACK); if (s & 0x0000000f) irq_handle_msg(dev, s); if (s & 0x0fffff00) irq_handle_io(dev, s); } while ((s = ddbreadl(dev, INTERRUPT_STATUS))); return ret; } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static int reg_wait(struct ddb *dev, u32 reg, u32 bit) { u32 count = 0; while (safe_ddbreadl(dev, reg) & bit) { ndelay(10); if (++count == 100) return -1; } return 0; } static int flashio(struct ddb *dev, u32 lnr, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) { u32 data, shift; u32 tag = DDB_LINK_TAG(lnr); struct ddb_link *link = &dev->link[lnr]; mutex_lock(&link->flash_mutex); if (wlen > 4) ddbwritel(dev, 1, tag | SPI_CONTROL); while (wlen > 4) { /* FIXME: check for big-endian */ data = swab32(*(u32 *)wbuf); wbuf += 4; wlen -= 4; ddbwritel(dev, data, tag | SPI_DATA); if (reg_wait(dev, tag | SPI_CONTROL, 4)) goto fail; } if (rlen) ddbwritel(dev, 0x0001 | ((wlen << (8 + 3)) & 0x1f00), tag | SPI_CONTROL); else ddbwritel(dev, 0x0003 | ((wlen << (8 + 3)) & 0x1f00), tag | SPI_CONTROL); data = 0; shift = ((4 - wlen) * 8); while (wlen) { data <<= 8; data |= *wbuf; wlen--; wbuf++; } if (shift) data <<= shift; ddbwritel(dev, data, tag | SPI_DATA); if (reg_wait(dev, tag | SPI_CONTROL, 4)) goto fail; if (!rlen) { ddbwritel(dev, 0, tag | SPI_CONTROL); goto exit; } if (rlen > 4) ddbwritel(dev, 1, tag | SPI_CONTROL); while (rlen > 4) { ddbwritel(dev, 0xffffffff, tag | SPI_DATA); if (reg_wait(dev, tag | SPI_CONTROL, 4)) goto fail; data = ddbreadl(dev, tag | SPI_DATA); *(u32 *)rbuf = swab32(data); rbuf += 4; rlen -= 4; } ddbwritel(dev, 0x0003 | ((rlen << (8 + 3)) & 0x1F00), tag | SPI_CONTROL); ddbwritel(dev, 0xffffffff, tag | SPI_DATA); if (reg_wait(dev, tag | SPI_CONTROL, 4)) goto fail; data = ddbreadl(dev, tag | SPI_DATA); ddbwritel(dev, 0, tag | SPI_CONTROL); if (rlen < 4) data <<= ((4 - rlen) * 8); while (rlen > 0) { *rbuf = ((data >> 24) & 0xff); data <<= 8; rbuf++; rlen--; } exit: mutex_unlock(&link->flash_mutex); return 0; fail: mutex_unlock(&link->flash_mutex); return -1; } int ddbridge_flashread(struct ddb *dev, u32 link, u8 *buf, u32 addr, u32 len) { u8 cmd[4] = {0x03, (addr >> 16) & 0xff, (addr >> 8) & 0xff, addr & 0xff}; return flashio(dev, link, cmd, 4, buf, len); } /* * TODO/FIXME: add/implement IOCTLs from upstream driver */ #define DDB_NAME "ddbridge" static u32 ddb_num; static int ddb_major; static DEFINE_MUTEX(ddb_mutex); static int ddb_release(struct inode *inode, struct file *file) { struct ddb *dev = file->private_data; dev->ddb_dev_users--; return 0; } static int ddb_open(struct inode *inode, struct file *file) { struct ddb *dev = ddbs[iminor(inode)]; if (dev->ddb_dev_users) return -EBUSY; dev->ddb_dev_users++; file->private_data = dev; return 0; } static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct ddb *dev = file->private_data; dev_warn(dev->dev, "DDB IOCTLs unsupported (cmd: %d, arg: %lu)\n", cmd, arg); return -ENOTTY; } static const struct file_operations ddb_fops = { .unlocked_ioctl = ddb_ioctl, .open = ddb_open, .release = ddb_release, }; static char *ddb_devnode(const struct device *device, umode_t *mode) { const struct ddb *dev = dev_get_drvdata(device); return kasprintf(GFP_KERNEL, "ddbridge/card%d", dev->nr); } #define __ATTR_MRO(_name, _show) { \ .attr = { .name = __stringify(_name), .mode = 0444 }, \ .show = _show, \ } #define __ATTR_MWO(_name, _store) { \ .attr = { .name = __stringify(_name), .mode = 0222 }, \ .store = _store, \ } static ssize_t ports_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); return sprintf(buf, "%d\n", dev->port_num); } static ssize_t ts_irq_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); return sprintf(buf, "%d\n", dev->ts_irq); } static ssize_t i2c_irq_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); return sprintf(buf, "%d\n", dev->i2c_irq); } static ssize_t fan_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); u32 val; val = ddbreadl(dev, GPIO_OUTPUT) & 1; return sprintf(buf, "%d\n", val); } static ssize_t fan_store(struct device *device, struct device_attribute *d, const char *buf, size_t count) { struct ddb *dev = dev_get_drvdata(device); u32 val; if (sscanf(buf, "%u\n", &val) != 1) return -EINVAL; ddbwritel(dev, 1, GPIO_DIRECTION); ddbwritel(dev, val & 1, GPIO_OUTPUT); return count; } static ssize_t fanspeed_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); int num = attr->attr.name[8] - 0x30; struct ddb_link *link = &dev->link[num]; u32 spd; spd = ddblreadl(link, TEMPMON_FANCONTROL) & 0xff; return sprintf(buf, "%u\n", spd * 100); } static ssize_t temp_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); struct ddb_link *link = &dev->link[0]; struct i2c_adapter *adap; int temp, temp2; u8 tmp[2]; if (!link->info->temp_num) return sprintf(buf, "no sensor\n"); adap = &dev->i2c[link->info->temp_bus].adap; if (i2c_read_regs(adap, 0x48, 0, tmp, 2) < 0) return sprintf(buf, "read_error\n"); temp = (tmp[0] << 3) | (tmp[1] >> 5); temp *= 125; if (link->info->temp_num == 2) { if (i2c_read_regs(adap, 0x49, 0, tmp, 2) < 0) return sprintf(buf, "read_error\n"); temp2 = (tmp[0] << 3) | (tmp[1] >> 5); temp2 *= 125; return sprintf(buf, "%d %d\n", temp, temp2); } return sprintf(buf, "%d\n", temp); } static ssize_t ctemp_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); struct i2c_adapter *adap; int temp; u8 tmp[2]; int num = attr->attr.name[4] - 0x30; adap = &dev->i2c[num].adap; if (!adap) return 0; if (i2c_read_regs(adap, 0x49, 0, tmp, 2) < 0) if (i2c_read_regs(adap, 0x4d, 0, tmp, 2) < 0) return sprintf(buf, "no sensor\n"); temp = tmp[0] * 1000; return sprintf(buf, "%d\n", temp); } static ssize_t led_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); int num = attr->attr.name[3] - 0x30; return sprintf(buf, "%d\n", dev->leds & (1 << num) ? 1 : 0); } static void ddb_set_led(struct ddb *dev, int num, int val) { if (!dev->link[0].info->led_num) return; switch (dev->port[num].class) { case DDB_PORT_TUNER: switch (dev->port[num].type) { case DDB_TUNER_DVBS_ST: i2c_write_reg16(&dev->i2c[num].adap, 0x69, 0xf14c, val ? 2 : 0); break; case DDB_TUNER_DVBCT_ST: i2c_write_reg16(&dev->i2c[num].adap, 0x1f, 0xf00e, 0); i2c_write_reg16(&dev->i2c[num].adap, 0x1f, 0xf00f, val ? 1 : 0); break; case DDB_TUNER_XO2 ... DDB_TUNER_DVBC2T2I_SONY: { u8 v; i2c_read_reg(&dev->i2c[num].adap, 0x10, 0x08, &v); v = (v & ~0x10) | (val ? 0x10 : 0); i2c_write_reg(&dev->i2c[num].adap, 0x10, 0x08, v); break; } default: break; } break; } } static ssize_t led_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { struct ddb *dev = dev_get_drvdata(device); int num = attr->attr.name[3] - 0x30; u32 val; if (sscanf(buf, "%u\n", &val) != 1) return -EINVAL; if (val) dev->leds |= (1 << num); else dev->leds &= ~(1 << num); ddb_set_led(dev, num, val); return count; } static ssize_t snr_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); char snr[32]; int num = attr->attr.name[3] - 0x30; if (dev->port[num].type >= DDB_TUNER_XO2) { if (i2c_read_regs(&dev->i2c[num].adap, 0x10, 0x10, snr, 16) < 0) return sprintf(buf, "NO SNR\n"); snr[16] = 0; } else { /* serial number at 0x100-0x11f */ if (i2c_read_regs16(&dev->i2c[num].adap, 0x57, 0x100, snr, 32) < 0) if (i2c_read_regs16(&dev->i2c[num].adap, 0x50, 0x100, snr, 32) < 0) return sprintf(buf, "NO SNR\n"); snr[31] = 0; /* in case it is not terminated on EEPROM */ } return sprintf(buf, "%s\n", snr); } static ssize_t bsnr_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); char snr[16]; ddbridge_flashread(dev, 0, snr, 0x10, 15); snr[15] = 0; /* in case it is not terminated on EEPROM */ return sprintf(buf, "%s\n", snr); } static ssize_t bpsnr_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); unsigned char snr[32]; if (!dev->i2c_num) return 0; if (i2c_read_regs16(&dev->i2c[0].adap, 0x50, 0x0000, snr, 32) < 0 || snr[0] == 0xff) return sprintf(buf, "NO SNR\n"); snr[31] = 0; /* in case it is not terminated on EEPROM */ return sprintf(buf, "%s\n", snr); } static ssize_t redirect_show(struct device *device, struct device_attribute *attr, char *buf) { return 0; } static ssize_t redirect_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { unsigned int i, p; int res; if (sscanf(buf, "%x %x\n", &i, &p) != 2) return -EINVAL; res = ddb_redirect(i, p); if (res < 0) return res; dev_info(device, "redirect: %02x, %02x\n", i, p); return count; } static ssize_t gap_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); int num = attr->attr.name[3] - 0x30; return sprintf(buf, "%d\n", dev->port[num].gap); } static ssize_t gap_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { struct ddb *dev = dev_get_drvdata(device); int num = attr->attr.name[3] - 0x30; unsigned int val; if (sscanf(buf, "%u\n", &val) != 1) return -EINVAL; if (val > 128) return -EINVAL; if (val == 128) val = 0xffffffff; dev->port[num].gap = val; return count; } static ssize_t version_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); return sprintf(buf, "%08x %08x\n", dev->link[0].ids.hwid, dev->link[0].ids.regmapid); } static ssize_t hwid_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); return sprintf(buf, "0x%08X\n", dev->link[0].ids.hwid); } static ssize_t regmap_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); return sprintf(buf, "0x%08X\n", dev->link[0].ids.regmapid); } static ssize_t fmode_show(struct device *device, struct device_attribute *attr, char *buf) { int num = attr->attr.name[5] - 0x30; struct ddb *dev = dev_get_drvdata(device); return sprintf(buf, "%u\n", dev->link[num].lnb.fmode); } static ssize_t devid_show(struct device *device, struct device_attribute *attr, char *buf) { int num = attr->attr.name[5] - 0x30; struct ddb *dev = dev_get_drvdata(device); return sprintf(buf, "%08x\n", dev->link[num].ids.devid); } static ssize_t fmode_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { struct ddb *dev = dev_get_drvdata(device); int num = attr->attr.name[5] - 0x30; unsigned int val; if (sscanf(buf, "%u\n", &val) != 1) return -EINVAL; if (val > 3) return -EINVAL; ddb_lnb_init_fmode(dev, &dev->link[num], val); return count; } static struct device_attribute ddb_attrs[] = { __ATTR_RO(version), __ATTR_RO(ports), __ATTR_RO(ts_irq), __ATTR_RO(i2c_irq), __ATTR(gap0, 0664, gap_show, gap_store), __ATTR(gap1, 0664, gap_show, gap_store), __ATTR(gap2, 0664, gap_show, gap_store), __ATTR(gap3, 0664, gap_show, gap_store), __ATTR(fmode0, 0664, fmode_show, fmode_store), __ATTR(fmode1, 0664, fmode_show, fmode_store), __ATTR(fmode2, 0664, fmode_show, fmode_store), __ATTR(fmode3, 0664, fmode_show, fmode_store), __ATTR_MRO(devid0, devid_show), __ATTR_MRO(devid1, devid_show), __ATTR_MRO(devid2, devid_show), __ATTR_MRO(devid3, devid_show), __ATTR_RO(hwid), __ATTR_RO(regmap), __ATTR(redirect, 0664, redirect_show, redirect_store), __ATTR_MRO(snr, bsnr_show), __ATTR_RO(bpsnr), __ATTR_NULL, }; static struct device_attribute ddb_attrs_temp[] = { __ATTR_RO(temp), }; static struct device_attribute ddb_attrs_fan[] = { __ATTR(fan, 0664, fan_show, fan_store), }; static struct device_attribute ddb_attrs_snr[] = { __ATTR_MRO(snr0, snr_show), __ATTR_MRO(snr1, snr_show), __ATTR_MRO(snr2, snr_show), __ATTR_MRO(snr3, snr_show), }; static struct device_attribute ddb_attrs_ctemp[] = { __ATTR_MRO(temp0, ctemp_show), __ATTR_MRO(temp1, ctemp_show), __ATTR_MRO(temp2, ctemp_show), __ATTR_MRO(temp3, ctemp_show), }; static struct device_attribute ddb_attrs_led[] = { __ATTR(led0, 0664, led_show, led_store), __ATTR(led1, 0664, led_show, led_store), __ATTR(led2, 0664, led_show, led_store), __ATTR(led3, 0664, led_show, led_store), }; static struct device_attribute ddb_attrs_fanspeed[] = { __ATTR_MRO(fanspeed0, fanspeed_show), __ATTR_MRO(fanspeed1, fanspeed_show), __ATTR_MRO(fanspeed2, fanspeed_show), __ATTR_MRO(fanspeed3, fanspeed_show), }; static struct class ddb_class = { .name = "ddbridge", .owner = THIS_MODULE, .devnode = ddb_devnode, }; static int ddb_class_create(void) { ddb_major = register_chrdev(0, DDB_NAME, &ddb_fops); if (ddb_major < 0) return ddb_major; if (class_register(&ddb_class) < 0) return -1; return 0; } static void ddb_class_destroy(void) { class_unregister(&ddb_class); unregister_chrdev(ddb_major, DDB_NAME); } static void ddb_device_attrs_del(struct ddb *dev) { int i; for (i = 0; i < 4; i++) if (dev->link[i].info && dev->link[i].info->tempmon_irq) device_remove_file(dev->ddb_dev, &ddb_attrs_fanspeed[i]); for (i = 0; i < dev->link[0].info->temp_num; i++) device_remove_file(dev->ddb_dev, &ddb_attrs_temp[i]); for (i = 0; i < dev->link[0].info->fan_num; i++) device_remove_file(dev->ddb_dev, &ddb_attrs_fan[i]); for (i = 0; i < dev->i2c_num && i < 4; i++) { if (dev->link[0].info->led_num) device_remove_file(dev->ddb_dev, &ddb_attrs_led[i]); device_remove_file(dev->ddb_dev, &ddb_attrs_snr[i]); device_remove_file(dev->ddb_dev, &ddb_attrs_ctemp[i]); } for (i = 0; ddb_attrs[i].attr.name; i++) device_remove_file(dev->ddb_dev, &ddb_attrs[i]); } static int ddb_device_attrs_add(struct ddb *dev) { int i; for (i = 0; ddb_attrs[i].attr.name; i++) if (device_create_file(dev->ddb_dev, &ddb_attrs[i])) goto fail; for (i = 0; i < dev->link[0].info->temp_num; i++) if (device_create_file(dev->ddb_dev, &ddb_attrs_temp[i])) goto fail; for (i = 0; i < dev->link[0].info->fan_num; i++) if (device_create_file(dev->ddb_dev, &ddb_attrs_fan[i])) goto fail; for (i = 0; (i < dev->i2c_num) && (i < 4); i++) { if (device_create_file(dev->ddb_dev, &ddb_attrs_snr[i])) goto fail; if (device_create_file(dev->ddb_dev, &ddb_attrs_ctemp[i])) goto fail; if (dev->link[0].info->led_num) if (device_create_file(dev->ddb_dev, &ddb_attrs_led[i])) goto fail; } for (i = 0; i < 4; i++) if (dev->link[i].info && dev->link[i].info->tempmon_irq) if (device_create_file(dev->ddb_dev, &ddb_attrs_fanspeed[i])) goto fail; return 0; fail: return -1; } int ddb_device_create(struct ddb *dev) { int res = 0; if (ddb_num == DDB_MAX_ADAPTER) return -ENOMEM; mutex_lock(&ddb_mutex); dev->nr = ddb_num; ddbs[dev->nr] = dev; dev->ddb_dev = device_create(&ddb_class, dev->dev, MKDEV(ddb_major, dev->nr), dev, "ddbridge%d", dev->nr); if (IS_ERR(dev->ddb_dev)) { res = PTR_ERR(dev->ddb_dev); dev_info(dev->dev, "Could not create ddbridge%d\n", dev->nr); goto fail; } res = ddb_device_attrs_add(dev); if (res) { ddb_device_attrs_del(dev); device_destroy(&ddb_class, MKDEV(ddb_major, dev->nr)); ddbs[dev->nr] = NULL; dev->ddb_dev = ERR_PTR(-ENODEV); } else { ddb_num++; } fail: mutex_unlock(&ddb_mutex); return res; } void ddb_device_destroy(struct ddb *dev) { if (IS_ERR(dev->ddb_dev)) return; ddb_device_attrs_del(dev); device_destroy(&ddb_class, MKDEV(ddb_major, dev->nr)); } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static void tempmon_setfan(struct ddb_link *link) { u32 temp, temp2, pwm; if ((ddblreadl(link, TEMPMON_CONTROL) & TEMPMON_CONTROL_OVERTEMP) != 0) { dev_info(link->dev->dev, "Over temperature condition\n"); link->overtemperature_error = 1; } temp = (ddblreadl(link, TEMPMON_SENSOR0) >> 8) & 0xFF; if (temp & 0x80) temp = 0; temp2 = (ddblreadl(link, TEMPMON_SENSOR1) >> 8) & 0xFF; if (temp2 & 0x80) temp2 = 0; if (temp2 > temp) temp = temp2; pwm = (ddblreadl(link, TEMPMON_FANCONTROL) >> 8) & 0x0F; if (pwm > 10) pwm = 10; if (temp >= link->temp_tab[pwm]) { while (pwm < 10 && temp >= link->temp_tab[pwm + 1]) pwm += 1; } else { while (pwm > 1 && temp < link->temp_tab[pwm - 2]) pwm -= 1; } ddblwritel(link, (pwm << 8), TEMPMON_FANCONTROL); } static void temp_handler(void *data) { struct ddb_link *link = (struct ddb_link *)data; spin_lock(&link->temp_lock); tempmon_setfan(link); spin_unlock(&link->temp_lock); } static int tempmon_init(struct ddb_link *link, int first_time) { struct ddb *dev = link->dev; int status = 0; u32 l = link->nr; spin_lock_irq(&link->temp_lock); if (first_time) { static u8 temperature_table[11] = { 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80 }; memcpy(link->temp_tab, temperature_table, sizeof(temperature_table)); } ddb_irq_set(dev, l, link->info->tempmon_irq, temp_handler, link); ddblwritel(link, (TEMPMON_CONTROL_OVERTEMP | TEMPMON_CONTROL_AUTOSCAN | TEMPMON_CONTROL_INTENABLE), TEMPMON_CONTROL); ddblwritel(link, (3 << 8), TEMPMON_FANCONTROL); link->overtemperature_error = ((ddblreadl(link, TEMPMON_CONTROL) & TEMPMON_CONTROL_OVERTEMP) != 0); if (link->overtemperature_error) { dev_info(link->dev->dev, "Over temperature condition\n"); status = -1; } tempmon_setfan(link); spin_unlock_irq(&link->temp_lock); return status; } static int ddb_init_tempmon(struct ddb_link *link) { const struct ddb_info *info = link->info; if (!info->tempmon_irq) return 0; if (info->type == DDB_OCTOPUS_MAX_CT) if (link->ids.regmapid < 0x00010002) return 0; spin_lock_init(&link->temp_lock); dev_dbg(link->dev->dev, "init_tempmon\n"); return tempmon_init(link, 1); } /****************************************************************************/ /****************************************************************************/ /****************************************************************************/ static int ddb_init_boards(struct ddb *dev) { const struct ddb_info *info; struct ddb_link *link; u32 l; for (l = 0; l < DDB_MAX_LINK; l++) { link = &dev->link[l]; info = link->info; if (!info) continue; if (info->board_control) { ddbwritel(dev, 0, DDB_LINK_TAG(l) | BOARD_CONTROL); msleep(100); ddbwritel(dev, info->board_control_2, DDB_LINK_TAG(l) | BOARD_CONTROL); usleep_range(2000, 3000); ddbwritel(dev, info->board_control_2 | info->board_control, DDB_LINK_TAG(l) | BOARD_CONTROL); usleep_range(2000, 3000); } ddb_init_tempmon(link); } return 0; } int ddb_init(struct ddb *dev) { mutex_init(&dev->link[0].lnb.lock); mutex_init(&dev->link[0].flash_mutex); if (no_init) { ddb_device_create(dev); return 0; } ddb_init_boards(dev); if (ddb_i2c_init(dev) < 0) goto fail1; ddb_ports_init(dev); if (ddb_buffers_alloc(dev) < 0) { dev_info(dev->dev, "Could not allocate buffer memory\n"); goto fail2; } if (ddb_ports_attach(dev) < 0) goto fail3; ddb_device_create(dev); if (dev->link[0].info->fan_num) { ddbwritel(dev, 1, GPIO_DIRECTION); ddbwritel(dev, 1, GPIO_OUTPUT); } return 0; fail3: dev_err(dev->dev, "fail3\n"); ddb_ports_detach(dev); ddb_buffers_free(dev); fail2: dev_err(dev->dev, "fail2\n"); ddb_ports_release(dev); ddb_i2c_release(dev); fail1: dev_err(dev->dev, "fail1\n"); return -1; } void ddb_unmap(struct ddb *dev) { if (dev->regs) iounmap(dev->regs); vfree(dev); } int ddb_exit_ddbridge(int stage, int error) { switch (stage) { default: case 2: destroy_workqueue(ddb_wq); fallthrough; case 1: ddb_class_destroy(); break; } return error; } int ddb_init_ddbridge(void) { if (dma_buf_num < 8) dma_buf_num = 8; if (dma_buf_num > 32) dma_buf_num = 32; if (dma_buf_size < 1) dma_buf_size = 1; if (dma_buf_size > 43) dma_buf_size = 43; if (ddb_class_create() < 0) return -1; ddb_wq = alloc_workqueue("ddbridge", 0, 0); if (!ddb_wq) return ddb_exit_ddbridge(1, -1); return 0; }
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