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path: root/drivers/media/pci/saa7164/saa7164-dvb.c
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Diffstat (limited to 'drivers/media/pci/saa7164/saa7164-dvb.c')
-rw-r--r--drivers/media/pci/saa7164/saa7164-dvb.c556
1 files changed, 556 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7164/saa7164-dvb.c b/drivers/media/pci/saa7164/saa7164-dvb.c
new file mode 100644
index 00000000000..5c5cc3ebf9b
--- /dev/null
+++ b/drivers/media/pci/saa7164/saa7164-dvb.c
@@ -0,0 +1,556 @@
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "saa7164.h"
+
+#include "tda10048.h"
+#include "tda18271.h"
+#include "s5h1411.h"
+
+#define DRIVER_NAME "saa7164"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+/* addr is in the card struct, get it from there */
+static struct tda10048_config hauppauge_hvr2200_1_config = {
+ .demod_address = 0x10 >> 1,
+ .output_mode = TDA10048_SERIAL_OUTPUT,
+ .fwbulkwritelen = TDA10048_BULKWRITE_200,
+ .inversion = TDA10048_INVERSION_ON,
+ .dtv6_if_freq_khz = TDA10048_IF_3300,
+ .dtv7_if_freq_khz = TDA10048_IF_3500,
+ .dtv8_if_freq_khz = TDA10048_IF_4000,
+ .clk_freq_khz = TDA10048_CLK_16000,
+};
+static struct tda10048_config hauppauge_hvr2200_2_config = {
+ .demod_address = 0x12 >> 1,
+ .output_mode = TDA10048_SERIAL_OUTPUT,
+ .fwbulkwritelen = TDA10048_BULKWRITE_200,
+ .inversion = TDA10048_INVERSION_ON,
+ .dtv6_if_freq_khz = TDA10048_IF_3300,
+ .dtv7_if_freq_khz = TDA10048_IF_3500,
+ .dtv8_if_freq_khz = TDA10048_IF_4000,
+ .clk_freq_khz = TDA10048_CLK_16000,
+};
+
+static struct tda18271_std_map hauppauge_tda18271_std_map = {
+ .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 3,
+ .if_lvl = 6, .rfagc_top = 0x37 },
+ .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 0,
+ .if_lvl = 6, .rfagc_top = 0x37 },
+};
+
+static struct tda18271_config hauppauge_hvr22x0_tuner_config = {
+ .std_map = &hauppauge_tda18271_std_map,
+ .gate = TDA18271_GATE_ANALOG,
+ .role = TDA18271_MASTER,
+};
+
+static struct tda18271_config hauppauge_hvr22x0s_tuner_config = {
+ .std_map = &hauppauge_tda18271_std_map,
+ .gate = TDA18271_GATE_ANALOG,
+ .role = TDA18271_SLAVE,
+ .output_opt = TDA18271_OUTPUT_LT_OFF,
+ .rf_cal_on_startup = 1
+};
+
+static struct s5h1411_config hauppauge_s5h1411_config = {
+ .output_mode = S5H1411_SERIAL_OUTPUT,
+ .gpio = S5H1411_GPIO_ON,
+ .qam_if = S5H1411_IF_4000,
+ .vsb_if = S5H1411_IF_3250,
+ .inversion = S5H1411_INVERSION_ON,
+ .status_mode = S5H1411_DEMODLOCKING,
+ .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
+};
+
+static int saa7164_dvb_stop_port(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret;
+
+ ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
+ if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n",
+ __func__, ret);
+ ret = -EIO;
+ } else {
+ dprintk(DBGLVL_DVB, "%s() Stopped\n", __func__);
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static int saa7164_dvb_acquire_port(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret;
+
+ ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);
+ if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n",
+ __func__, ret);
+ ret = -EIO;
+ } else {
+ dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__);
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static int saa7164_dvb_pause_port(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret;
+
+ ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);
+ if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n",
+ __func__, ret);
+ ret = -EIO;
+ } else {
+ dprintk(DBGLVL_DVB, "%s() Paused\n", __func__);
+ ret = 0;
+ }
+
+ return ret;
+}
+
+/* Firmware is very windows centric, meaning you have to transition
+ * the part through AVStream / KS Windows stages, forwards or backwards.
+ * States are: stopped, acquired (h/w), paused, started.
+ */
+static int saa7164_dvb_stop_streaming(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *buf;
+ struct list_head *p, *q;
+ int ret;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ ret = saa7164_dvb_pause_port(port);
+ ret = saa7164_dvb_acquire_port(port);
+ ret = saa7164_dvb_stop_port(port);
+
+ /* Mark the hardware buffers as free */
+ mutex_lock(&port->dmaqueue_lock);
+ list_for_each_safe(p, q, &port->dmaqueue.list) {
+ buf = list_entry(p, struct saa7164_buffer, list);
+ buf->flags = SAA7164_BUFFER_FREE;
+ }
+ mutex_unlock(&port->dmaqueue_lock);
+
+ return ret;
+}
+
+static int saa7164_dvb_start_port(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret = 0, result;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ saa7164_buffer_cfg_port(port);
+
+ /* Acquire the hardware */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n",
+ __func__, result);
+
+ /* Stop the hardware, regardless */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() acquire/forced stop transition "
+ "failed, res = 0x%x\n", __func__, result);
+ }
+ ret = -EIO;
+ goto out;
+ } else
+ dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__);
+
+ /* Pause the hardware */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n",
+ __func__, result);
+
+ /* Stop the hardware, regardless */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() pause/forced stop transition "
+ "failed, res = 0x%x\n", __func__, result);
+ }
+
+ ret = -EIO;
+ goto out;
+ } else
+ dprintk(DBGLVL_DVB, "%s() Paused\n", __func__);
+
+ /* Start the hardware */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() run transition failed, result = 0x%x\n",
+ __func__, result);
+
+ /* Stop the hardware, regardless */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() run/forced stop transition "
+ "failed, res = 0x%x\n", __func__, result);
+ }
+
+ ret = -EIO;
+ } else
+ dprintk(DBGLVL_DVB, "%s() Running\n", __func__);
+
+out:
+ return ret;
+}
+
+static int saa7164_dvb_start_feed(struct dvb_demux_feed *feed)
+{
+ struct dvb_demux *demux = feed->demux;
+ struct saa7164_port *port = (struct saa7164_port *) demux->priv;
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_dev *dev = port->dev;
+ int ret = 0;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ if (!demux->dmx.frontend)
+ return -EINVAL;
+
+ if (dvb) {
+ mutex_lock(&dvb->lock);
+ if (dvb->feeding++ == 0) {
+ /* Start transport */
+ ret = saa7164_dvb_start_port(port);
+ }
+ mutex_unlock(&dvb->lock);
+ dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n",
+ __func__, port->nr, dvb->feeding);
+ }
+
+ return ret;
+}
+
+static int saa7164_dvb_stop_feed(struct dvb_demux_feed *feed)
+{
+ struct dvb_demux *demux = feed->demux;
+ struct saa7164_port *port = (struct saa7164_port *) demux->priv;
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_dev *dev = port->dev;
+ int ret = 0;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ if (dvb) {
+ mutex_lock(&dvb->lock);
+ if (--dvb->feeding == 0) {
+ /* Stop transport */
+ ret = saa7164_dvb_stop_streaming(port);
+ }
+ mutex_unlock(&dvb->lock);
+ dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n",
+ __func__, port->nr, dvb->feeding);
+ }
+
+ return ret;
+}
+
+static int dvb_register(struct saa7164_port *port)
+{
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *buf;
+ int result, i;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ if (port->type != SAA7164_MPEG_DVB)
+ BUG();
+
+ /* Sanity check that the PCI configuration space is active */
+ if (port->hwcfg.BARLocation == 0) {
+ result = -ENOMEM;
+ printk(KERN_ERR "%s: dvb_register_adapter failed "
+ "(errno = %d), NO PCI configuration\n",
+ DRIVER_NAME, result);
+ goto fail_adapter;
+ }
+
+ /* Init and establish defaults */
+ port->hw_streamingparams.bitspersample = 8;
+ port->hw_streamingparams.samplesperline = 188;
+ port->hw_streamingparams.numberoflines =
+ (SAA7164_TS_NUMBER_OF_LINES * 188) / 188;
+
+ port->hw_streamingparams.pitch = 188;
+ port->hw_streamingparams.linethreshold = 0;
+ port->hw_streamingparams.pagetablelistvirt = NULL;
+ port->hw_streamingparams.pagetablelistphys = NULL;
+ port->hw_streamingparams.numpagetables = 2 +
+ ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE);
+
+ port->hw_streamingparams.numpagetableentries = port->hwcfg.buffercount;
+
+ /* Allocate the PCI resources */
+ for (i = 0; i < port->hwcfg.buffercount; i++) {
+ buf = saa7164_buffer_alloc(port,
+ port->hw_streamingparams.numberoflines *
+ port->hw_streamingparams.pitch);
+
+ if (!buf) {
+ result = -ENOMEM;
+ printk(KERN_ERR "%s: dvb_register_adapter failed "
+ "(errno = %d), unable to allocate buffers\n",
+ DRIVER_NAME, result);
+ goto fail_adapter;
+ }
+
+ mutex_lock(&port->dmaqueue_lock);
+ list_add_tail(&buf->list, &port->dmaqueue.list);
+ mutex_unlock(&port->dmaqueue_lock);
+ }
+
+ /* register adapter */
+ result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
+ &dev->pci->dev, adapter_nr);
+ if (result < 0) {
+ printk(KERN_ERR "%s: dvb_register_adapter failed "
+ "(errno = %d)\n", DRIVER_NAME, result);
+ goto fail_adapter;
+ }
+ dvb->adapter.priv = port;
+
+ /* register frontend */
+ result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
+ if (result < 0) {
+ printk(KERN_ERR "%s: dvb_register_frontend failed "
+ "(errno = %d)\n", DRIVER_NAME, result);
+ goto fail_frontend;
+ }
+
+ /* register demux stuff */
+ dvb->demux.dmx.capabilities =
+ DMX_TS_FILTERING | DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING;
+ dvb->demux.priv = port;
+ dvb->demux.filternum = 256;
+ dvb->demux.feednum = 256;
+ dvb->demux.start_feed = saa7164_dvb_start_feed;
+ dvb->demux.stop_feed = saa7164_dvb_stop_feed;
+ result = dvb_dmx_init(&dvb->demux);
+ if (result < 0) {
+ printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_dmx;
+ }
+
+ dvb->dmxdev.filternum = 256;
+ dvb->dmxdev.demux = &dvb->demux.dmx;
+ dvb->dmxdev.capabilities = 0;
+ result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
+ if (result < 0) {
+ printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_dmxdev;
+ }
+
+ dvb->fe_hw.source = DMX_FRONTEND_0;
+ result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ if (result < 0) {
+ printk(KERN_ERR "%s: add_frontend failed "
+ "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
+ goto fail_fe_hw;
+ }
+
+ dvb->fe_mem.source = DMX_MEMORY_FE;
+ result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+ if (result < 0) {
+ printk(KERN_ERR "%s: add_frontend failed "
+ "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
+ goto fail_fe_mem;
+ }
+
+ result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ if (result < 0) {
+ printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_fe_conn;
+ }
+
+ /* register network adapter */
+ dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
+ return 0;
+
+fail_fe_conn:
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+fail_fe_mem:
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+fail_fe_hw:
+ dvb_dmxdev_release(&dvb->dmxdev);
+fail_dmxdev:
+ dvb_dmx_release(&dvb->demux);
+fail_dmx:
+ dvb_unregister_frontend(dvb->frontend);
+fail_frontend:
+ dvb_frontend_detach(dvb->frontend);
+ dvb_unregister_adapter(&dvb->adapter);
+fail_adapter:
+ return result;
+}
+
+int saa7164_dvb_unregister(struct saa7164_port *port)
+{
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *b;
+ struct list_head *c, *n;
+
+ dprintk(DBGLVL_DVB, "%s()\n", __func__);
+
+ if (port->type != SAA7164_MPEG_DVB)
+ BUG();
+
+ /* Remove any allocated buffers */
+ mutex_lock(&port->dmaqueue_lock);
+ list_for_each_safe(c, n, &port->dmaqueue.list) {
+ b = list_entry(c, struct saa7164_buffer, list);
+ list_del(c);
+ saa7164_buffer_dealloc(b);
+ }
+ mutex_unlock(&port->dmaqueue_lock);
+
+ if (dvb->frontend == NULL)
+ return 0;
+
+ dvb_net_release(&dvb->net);
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ dvb_dmxdev_release(&dvb->dmxdev);
+ dvb_dmx_release(&dvb->demux);
+ dvb_unregister_frontend(dvb->frontend);
+ dvb_frontend_detach(dvb->frontend);
+ dvb_unregister_adapter(&dvb->adapter);
+ return 0;
+}
+
+/* All the DVB attach calls go here, this function get's modified
+ * for each new card.
+ */
+int saa7164_dvb_register(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_i2c *i2c_bus = NULL;
+ int ret;
+
+ dprintk(DBGLVL_DVB, "%s()\n", __func__);
+
+ /* init frontend */
+ switch (dev->board) {
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_2:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_3:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_4:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_5:
+ i2c_bus = &dev->i2c_bus[port->nr + 1];
+ switch (port->nr) {
+ case 0:
+ port->dvb.frontend = dvb_attach(tda10048_attach,
+ &hauppauge_hvr2200_1_config,
+ &i2c_bus->i2c_adap);
+
+ if (port->dvb.frontend != NULL) {
+ /* TODO: addr is in the card struct */
+ dvb_attach(tda18271_attach, port->dvb.frontend,
+ 0xc0 >> 1, &i2c_bus->i2c_adap,
+ &hauppauge_hvr22x0_tuner_config);
+ }
+
+ break;
+ case 1:
+ port->dvb.frontend = dvb_attach(tda10048_attach,
+ &hauppauge_hvr2200_2_config,
+ &i2c_bus->i2c_adap);
+
+ if (port->dvb.frontend != NULL) {
+ /* TODO: addr is in the card struct */
+ dvb_attach(tda18271_attach, port->dvb.frontend,
+ 0xc0 >> 1, &i2c_bus->i2c_adap,
+ &hauppauge_hvr22x0s_tuner_config);
+ }
+
+ break;
+ }
+ break;
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250_2:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250_3:
+ i2c_bus = &dev->i2c_bus[port->nr + 1];
+
+ port->dvb.frontend = dvb_attach(s5h1411_attach,
+ &hauppauge_s5h1411_config,
+ &i2c_bus->i2c_adap);
+
+ if (port->dvb.frontend != NULL) {
+ if (port->nr == 0) {
+ /* Master TDA18271 */
+ /* TODO: addr is in the card struct */
+ dvb_attach(tda18271_attach, port->dvb.frontend,
+ 0xc0 >> 1, &i2c_bus->i2c_adap,
+ &hauppauge_hvr22x0_tuner_config);
+ } else {
+ /* Slave TDA18271 */
+ dvb_attach(tda18271_attach, port->dvb.frontend,
+ 0xc0 >> 1, &i2c_bus->i2c_adap,
+ &hauppauge_hvr22x0s_tuner_config);
+ }
+ }
+
+ break;
+ default:
+ printk(KERN_ERR "%s: The frontend isn't supported\n",
+ dev->name);
+ break;
+ }
+ if (NULL == dvb->frontend) {
+ printk(KERN_ERR "%s() Frontend initialization failed\n",
+ __func__);
+ return -1;
+ }
+
+ /* register everything */
+ ret = dvb_register(port);
+ if (ret < 0) {
+ if (dvb->frontend->ops.release)
+ dvb->frontend->ops.release(dvb->frontend);
+ return ret;
+ }
+
+ return 0;
+}
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-12 21:40:44 +0000