--- /dev/null
+/*
+ * 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 <linux/init.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kmod.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <asm/div64.h>
+
+#ifdef CONFIG_PROC_FS
+#include <linux/proc_fs.h>
+#endif
+#include "saa7164.h"
+
+MODULE_DESCRIPTION("Driver for NXP SAA7164 based TV cards");
+MODULE_AUTHOR("Steven Toth <stoth@kernellabs.com>");
+MODULE_LICENSE("GPL");
+
+/*
+ * 1 Basic
+ * 2
+ * 4 i2c
+ * 8 api
+ * 16 cmd
+ * 32 bus
+ */
+
+unsigned int saa_debug;
+module_param_named(debug, saa_debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages");
+
+static unsigned int fw_debug;
+module_param(fw_debug, int, 0644);
+MODULE_PARM_DESC(fw_debug, "Firmware debug level def:2");
+
+unsigned int encoder_buffers = SAA7164_MAX_ENCODER_BUFFERS;
+module_param(encoder_buffers, int, 0644);
+MODULE_PARM_DESC(encoder_buffers, "Total buffers in read queue 16-512 def:64");
+
+unsigned int vbi_buffers = SAA7164_MAX_VBI_BUFFERS;
+module_param(vbi_buffers, int, 0644);
+MODULE_PARM_DESC(vbi_buffers, "Total buffers in read queue 16-512 def:64");
+
+unsigned int waitsecs = 10;
+module_param(waitsecs, int, 0644);
+MODULE_PARM_DESC(waitsecs, "timeout on firmware messages");
+
+static unsigned int card[] = {[0 ... (SAA7164_MAXBOARDS - 1)] = UNSET };
+module_param_array(card, int, NULL, 0444);
+MODULE_PARM_DESC(card, "card type");
+
+static unsigned int print_histogram = 64;
+module_param(print_histogram, int, 0644);
+MODULE_PARM_DESC(print_histogram, "print histogram values once");
+
+unsigned int crc_checking = 1;
+module_param(crc_checking, int, 0644);
+MODULE_PARM_DESC(crc_checking, "enable crc sanity checking on buffers");
+
+static unsigned int guard_checking = 1;
+module_param(guard_checking, int, 0644);
+MODULE_PARM_DESC(guard_checking,
+ "enable dma sanity checking for buffer overruns");
+
+static unsigned int saa7164_devcount;
+
+static DEFINE_MUTEX(devlist);
+LIST_HEAD(saa7164_devlist);
+
+#define INT_SIZE 16
+
+static void saa7164_pack_verifier(struct saa7164_buffer *buf)
+{
+ u8 *p = (u8 *)buf->cpu;
+ int i;
+
+ for (i = 0; i < buf->actual_size; i += 2048) {
+
+ if ((*(p + i + 0) != 0x00) || (*(p + i + 1) != 0x00) ||
+ (*(p + i + 2) != 0x01) || (*(p + i + 3) != 0xBA)) {
+ printk(KERN_ERR "No pack at 0x%x\n", i);
+#if 0
+ print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
+ p + 1, 32, false);
+#endif
+ }
+ }
+}
+
+#define FIXED_VIDEO_PID 0xf1
+#define FIXED_AUDIO_PID 0xf2
+
+static void saa7164_ts_verifier(struct saa7164_buffer *buf)
+{
+ struct saa7164_port *port = buf->port;
+ u32 i;
+ u8 cc, a;
+ u16 pid;
+ u8 *bufcpu = (u8 *)buf->cpu;
+
+ port->sync_errors = 0;
+ port->v_cc_errors = 0;
+ port->a_cc_errors = 0;
+
+ for (i = 0; i < buf->actual_size; i += 188) {
+ if (*(bufcpu + i) != 0x47)
+ port->sync_errors++;
+
+ /* TODO: Query pid lower 8 bits, ignoring upper bits intensionally */
+ pid = ((*(bufcpu + i + 1) & 0x1f) << 8) | *(bufcpu + i + 2);
+ cc = *(bufcpu + i + 3) & 0x0f;
+
+ if (pid == FIXED_VIDEO_PID) {
+ a = ((port->last_v_cc + 1) & 0x0f);
+ if (a != cc) {
+ printk(KERN_ERR "video cc last = %x current = %x i = %d\n",
+ port->last_v_cc, cc, i);
+ port->v_cc_errors++;
+ }
+
+ port->last_v_cc = cc;
+ } else
+ if (pid == FIXED_AUDIO_PID) {
+ a = ((port->last_a_cc + 1) & 0x0f);
+ if (a != cc) {
+ printk(KERN_ERR "audio cc last = %x current = %x i = %d\n",
+ port->last_a_cc, cc, i);
+ port->a_cc_errors++;
+ }
+
+ port->last_a_cc = cc;
+ }
+
+ }
+
+ /* Only report errors if we've been through this function atleast
+ * once already and the cached cc values are primed. First time through
+ * always generates errors.
+ */
+ if (port->v_cc_errors && (port->done_first_interrupt > 1))
+ printk(KERN_ERR "video pid cc, %d errors\n", port->v_cc_errors);
+
+ if (port->a_cc_errors && (port->done_first_interrupt > 1))
+ printk(KERN_ERR "audio pid cc, %d errors\n", port->a_cc_errors);
+
+ if (port->sync_errors && (port->done_first_interrupt > 1))
+ printk(KERN_ERR "sync_errors = %d\n", port->sync_errors);
+
+ if (port->done_first_interrupt == 1)
+ port->done_first_interrupt++;
+}
+
+static void saa7164_histogram_reset(struct saa7164_histogram *hg, char *name)
+{
+ int i;
+
+ memset(hg, 0, sizeof(struct saa7164_histogram));
+ strcpy(hg->name, name);
+
+ /* First 30ms x 1ms */
+ for (i = 0; i < 30; i++)
+ hg->counter1[0 + i].val = i;
+
+ /* 30 - 200ms x 10ms */
+ for (i = 0; i < 18; i++)
+ hg->counter1[30 + i].val = 30 + (i * 10);
+
+ /* 200 - 2000ms x 100ms */
+ for (i = 0; i < 15; i++)
+ hg->counter1[48 + i].val = 200 + (i * 200);
+
+ /* Catch all massive value (2secs) */
+ hg->counter1[55].val = 2000;
+
+ /* Catch all massive value (4secs) */
+ hg->counter1[56].val = 4000;
+
+ /* Catch all massive value (8secs) */
+ hg->counter1[57].val = 8000;
+
+ /* Catch all massive value (15secs) */
+ hg->counter1[58].val = 15000;
+
+ /* Catch all massive value (30secs) */
+ hg->counter1[59].val = 30000;
+
+ /* Catch all massive value (60secs) */
+ hg->counter1[60].val = 60000;
+
+ /* Catch all massive value (5mins) */
+ hg->counter1[61].val = 300000;
+
+ /* Catch all massive value (15mins) */
+ hg->counter1[62].val = 900000;
+
+ /* Catch all massive values (1hr) */
+ hg->counter1[63].val = 3600000;
+}
+
+void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val)
+{
+ int i;
+ for (i = 0; i < 64; i++) {
+ if (val <= hg->counter1[i].val) {
+ hg->counter1[i].count++;
+ hg->counter1[i].update_time = jiffies;
+ break;
+ }
+ }
+}
+
+static void saa7164_histogram_print(struct saa7164_port *port,
+ struct saa7164_histogram *hg)
+{
+ u32 entries = 0;
+ int i;
+
+ printk(KERN_ERR "Histogram named %s (ms, count, last_update_jiffy)\n", hg->name);
+ for (i = 0; i < 64; i++) {
+ if (hg->counter1[i].count == 0)
+ continue;
+
+ printk(KERN_ERR " %4d %12d %Ld\n",
+ hg->counter1[i].val,
+ hg->counter1[i].count,
+ hg->counter1[i].update_time);
+
+ entries++;
+ }
+ printk(KERN_ERR "Total: %d\n", entries);
+}
+
+static void saa7164_work_enchandler_helper(struct saa7164_port *port, int bufnr)
+{
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *buf = NULL;
+ struct saa7164_user_buffer *ubuf = NULL;
+ struct list_head *c, *n;
+ int i = 0;
+ u8 *p;
+
+ mutex_lock(&port->dmaqueue_lock);
+ list_for_each_safe(c, n, &port->dmaqueue.list) {
+
+ buf = list_entry(c, struct saa7164_buffer, list);
+ if (i++ > port->hwcfg.buffercount) {
+ printk(KERN_ERR "%s() illegal i count %d\n",
+ __func__, i);
+ break;
+ }
+
+ if (buf->idx == bufnr) {
+
+ /* Found the buffer, deal with it */
+ dprintk(DBGLVL_IRQ, "%s() bufnr: %d\n", __func__, bufnr);
+
+ if (crc_checking) {
+ /* Throw a new checksum on the dma buffer */
+ buf->crc = crc32(0, buf->cpu, buf->actual_size);
+ }
+
+ if (guard_checking) {
+ p = (u8 *)buf->cpu;
+ if ((*(p + buf->actual_size + 0) != 0xff) ||
+ (*(p + buf->actual_size + 1) != 0xff) ||
+ (*(p + buf->actual_size + 2) != 0xff) ||
+ (*(p + buf->actual_size + 3) != 0xff) ||
+ (*(p + buf->actual_size + 0x10) != 0xff) ||
+ (*(p + buf->actual_size + 0x11) != 0xff) ||
+ (*(p + buf->actual_size + 0x12) != 0xff) ||
+ (*(p + buf->actual_size + 0x13) != 0xff)) {
+ printk(KERN_ERR "%s() buf %p guard buffer breach\n",
+ __func__, buf);
+#if 0
+ print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
+ p + buf->actual_size - 32, 64, false);
+#endif
+ }
+ }
+
+ if ((port->nr != SAA7164_PORT_VBI1) && (port->nr != SAA7164_PORT_VBI2)) {
+ /* Validate the incoming buffer content */
+ if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)
+ saa7164_ts_verifier(buf);
+ else if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS)
+ saa7164_pack_verifier(buf);
+ }
+
+ /* find a free user buffer and clone to it */
+ if (!list_empty(&port->list_buf_free.list)) {
+
+ /* Pull the first buffer from the used list */
+ ubuf = list_first_entry(&port->list_buf_free.list,
+ struct saa7164_user_buffer, list);
+
+ if (buf->actual_size <= ubuf->actual_size) {
+
+ memcpy(ubuf->data, buf->cpu, ubuf->actual_size);
+
+ if (crc_checking) {
+ /* Throw a new checksum on the read buffer */
+ ubuf->crc = crc32(0, ubuf->data, ubuf->actual_size);
+ }
+
+ /* Requeue the buffer on the free list */
+ ubuf->pos = 0;
+
+ list_move_tail(&ubuf->list,
+ &port->list_buf_used.list);
+
+ /* Flag any userland waiters */
+ wake_up_interruptible(&port->wait_read);
+
+ } else {
+ printk(KERN_ERR "buf %p bufsize fails match\n", buf);
+ }
+
+ } else
+ printk(KERN_ERR "encirq no free buffers, increase param encoder_buffers\n");
+
+ /* Ensure offset into buffer remains 0, fill buffer
+ * with known bad data. We check for this data at a later point
+ * in time. */
+ saa7164_buffer_zero_offsets(port, bufnr);
+ memset(buf->cpu, 0xff, buf->pci_size);
+ if (crc_checking) {
+ /* Throw yet aanother new checksum on the dma buffer */
+ buf->crc = crc32(0, buf->cpu, buf->actual_size);
+ }
+
+ break;
+ }
+ }
+ mutex_unlock(&port->dmaqueue_lock);
+}
+
+static void saa7164_work_enchandler(struct work_struct *w)
+{
+ struct saa7164_port *port =
+ container_of(w, struct saa7164_port, workenc);
+ struct saa7164_dev *dev = port->dev;
+
+ u32 wp, mcb, rp, cnt = 0;
+
+ port->last_svc_msecs_diff = port->last_svc_msecs;
+ port->last_svc_msecs = jiffies_to_msecs(jiffies);
+
+ port->last_svc_msecs_diff = port->last_svc_msecs -
+ port->last_svc_msecs_diff;
+
+ saa7164_histogram_update(&port->svc_interval,
+ port->last_svc_msecs_diff);
+
+ port->last_irq_svc_msecs_diff = port->last_svc_msecs -
+ port->last_irq_msecs;
+
+ saa7164_histogram_update(&port->irq_svc_interval,
+ port->last_irq_svc_msecs_diff);
+
+ dprintk(DBGLVL_IRQ,
+ "%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n",
+ __func__,
+ port->last_svc_msecs_diff,
+ port->last_irq_svc_msecs_diff,
+ port->last_svc_wp,
+ port->last_svc_rp
+ );
+
+ /* Current write position */
+ wp = saa7164_readl(port->bufcounter);
+ if (wp > (port->hwcfg.buffercount - 1)) {
+ printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp);
+ return;
+ }
+
+ /* Most current complete buffer */
+ if (wp == 0)
+ mcb = (port->hwcfg.buffercount - 1);
+ else
+ mcb = wp - 1;
+
+ while (1) {
+ if (port->done_first_interrupt == 0) {
+ port->done_first_interrupt++;
+ rp = mcb;
+ } else
+ rp = (port->last_svc_rp + 1) % 8;
+
+ if (rp > (port->hwcfg.buffercount - 1)) {
+ printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp);
+ break;
+ }
+
+ saa7164_work_enchandler_helper(port, rp);
+ port->last_svc_rp = rp;
+ cnt++;
+
+ if (rp == mcb)
+ break;
+ }
+
+ /* TODO: Convert this into a /proc/saa7164 style readable file */
+ if (print_histogram == port->nr) {
+ saa7164_histogram_print(port, &port->irq_interval);
+ saa7164_histogram_print(port, &port->svc_interval);
+ saa7164_histogram_print(port, &port->irq_svc_interval);
+ saa7164_histogram_print(port, &port->read_interval);
+ saa7164_histogram_print(port, &port->poll_interval);
+ /* TODO: fix this to preserve any previous state */
+ print_histogram = 64 + port->nr;
+ }
+}
+
+static void saa7164_work_vbihandler(struct work_struct *w)
+{
+ struct saa7164_port *port =
+ container_of(w, struct saa7164_port, workenc);
+ struct saa7164_dev *dev = port->dev;
+
+ u32 wp, mcb, rp, cnt = 0;
+
+ port->last_svc_msecs_diff = port->last_svc_msecs;
+ port->last_svc_msecs = jiffies_to_msecs(jiffies);
+ port->last_svc_msecs_diff = port->last_svc_msecs -
+ port->last_svc_msecs_diff;
+
+ saa7164_histogram_update(&port->svc_interval,
+ port->last_svc_msecs_diff);
+
+ port->last_irq_svc_msecs_diff = port->last_svc_msecs -
+ port->last_irq_msecs;
+
+ saa7164_histogram_update(&port->irq_svc_interval,
+ port->last_irq_svc_msecs_diff);
+
+ dprintk(DBGLVL_IRQ,
+ "%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n",
+ __func__,
+ port->last_svc_msecs_diff,
+ port->last_irq_svc_msecs_diff,
+ port->last_svc_wp,
+ port->last_svc_rp
+ );
+
+ /* Current write position */
+ wp = saa7164_readl(port->bufcounter);
+ if (wp > (port->hwcfg.buffercount - 1)) {
+ printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp);
+ return;
+ }
+
+ /* Most current complete buffer */
+ if (wp == 0)
+ mcb = (port->hwcfg.buffercount - 1);
+ else
+ mcb = wp - 1;
+
+ while (1) {
+ if (port->done_first_interrupt == 0) {
+ port->done_first_interrupt++;
+ rp = mcb;
+ } else
+ rp = (port->last_svc_rp + 1) % 8;
+
+ if (rp > (port->hwcfg.buffercount - 1)) {
+ printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp);
+ break;
+ }
+
+ saa7164_work_enchandler_helper(port, rp);
+ port->last_svc_rp = rp;
+ cnt++;
+
+ if (rp == mcb)
+ break;
+ }
+
+ /* TODO: Convert this into a /proc/saa7164 style readable file */
+ if (print_histogram == port->nr) {
+ saa7164_histogram_print(port, &port->irq_interval);
+ saa7164_histogram_print(port, &port->svc_interval);
+ saa7164_histogram_print(port, &port->irq_svc_interval);
+ saa7164_histogram_print(port, &port->read_interval);
+ saa7164_histogram_print(port, &port->poll_interval);
+ /* TODO: fix this to preserve any previous state */
+ print_histogram = 64 + port->nr;
+ }
+}
+
+static void saa7164_work_cmdhandler(struct work_struct *w)
+{
+ struct saa7164_dev *dev = container_of(w, struct saa7164_dev, workcmd);
+
+ /* Wake up any complete commands */
+ saa7164_irq_dequeue(dev);
+}
+
+static void saa7164_buffer_deliver(struct saa7164_buffer *buf)
+{
+ struct saa7164_port *port = buf->port;
+
+ /* Feed the transport payload into the kernel demux */
+ dvb_dmx_swfilter_packets(&port->dvb.demux, (u8 *)buf->cpu,
+ SAA7164_TS_NUMBER_OF_LINES);
+
+}
+
+static irqreturn_t saa7164_irq_vbi(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+
+ /* Store old time */
+ port->last_irq_msecs_diff = port->last_irq_msecs;
+
+ /* Collect new stats */
+ port->last_irq_msecs = jiffies_to_msecs(jiffies);
+
+ /* Calculate stats */
+ port->last_irq_msecs_diff = port->last_irq_msecs -
+ port->last_irq_msecs_diff;
+
+ saa7164_histogram_update(&port->irq_interval,
+ port->last_irq_msecs_diff);
+
+ dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__,
+ port->last_irq_msecs_diff);
+
+ /* Tis calls the vbi irq handler */
+ schedule_work(&port->workenc);
+ return 0;
+}
+
+static irqreturn_t saa7164_irq_encoder(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+
+ /* Store old time */
+ port->last_irq_msecs_diff = port->last_irq_msecs;
+
+ /* Collect new stats */
+ port->last_irq_msecs = jiffies_to_msecs(jiffies);
+
+ /* Calculate stats */
+ port->last_irq_msecs_diff = port->last_irq_msecs -
+ port->last_irq_msecs_diff;
+
+ saa7164_histogram_update(&port->irq_interval,
+ port->last_irq_msecs_diff);
+
+ dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__,
+ port->last_irq_msecs_diff);
+
+ schedule_work(&port->workenc);
+ return 0;
+}
+
+static irqreturn_t saa7164_irq_ts(struct saa7164_port *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *buf;
+ struct list_head *c, *n;
+ int wp, i = 0, rp;
+
+ /* Find the current write point from the hardware */
+ wp = saa7164_readl(port->bufcounter);
+ if (wp > (port->hwcfg.buffercount - 1))
+ BUG();
+
+ /* Find the previous buffer to the current write point */
+ if (wp == 0)
+ rp = (port->hwcfg.buffercount - 1);
+ else
+ rp = wp - 1;
+
+ /* Lookup the WP in the buffer list */
+ /* TODO: turn this into a worker thread */
+ list_for_each_safe(c, n, &port->dmaqueue.list) {
+ buf = list_entry(c, struct saa7164_buffer, list);
+ if (i++ > port->hwcfg.buffercount)
+ BUG();
+
+ if (buf->idx == rp) {
+ /* Found the buffer, deal with it */
+ dprintk(DBGLVL_IRQ, "%s() wp: %d processing: %d\n",
+ __func__, wp, rp);
+ saa7164_buffer_deliver(buf);
+ break;
+ }
+
+ }
+ return 0;
+}
+
+/* Primary IRQ handler and dispatch mechanism */
+static irqreturn_t saa7164_irq(int irq, void *dev_id)
+{
+ struct saa7164_dev *dev = dev_id;
+ struct saa7164_port *porta = &dev->ports[SAA7164_PORT_TS1];
+ struct saa7164_port *portb = &dev->ports[SAA7164_PORT_TS2];
+ struct saa7164_port *portc = &dev->ports[SAA7164_PORT_ENC1];
+ struct saa7164_port *portd = &dev->ports[SAA7164_PORT_ENC2];
+ struct saa7164_port *porte = &dev->ports[SAA7164_PORT_VBI1];
+ struct saa7164_port *portf = &dev->ports[SAA7164_PORT_VBI2];
+
+ u32 intid, intstat[INT_SIZE/4];
+ int i, handled = 0, bit;
+
+ if (dev == NULL) {
+ printk(KERN_ERR "%s() No device specified\n", __func__);
+ handled = 0;
+ goto out;
+ }
+
+ /* Check that the hardware is accessible. If the status bytes are
+ * 0xFF then the device is not accessible, the the IRQ belongs
+ * to another driver.
+ * 4 x u32 interrupt registers.
+ */
+ for (i = 0; i < INT_SIZE/4; i++) {
+
+ /* TODO: Convert into saa7164_readl() */
+ /* Read the 4 hardware interrupt registers */
+ intstat[i] = saa7164_readl(dev->int_status + (i * 4));
+
+ if (intstat[i])
+ handled = 1;
+ }
+ if (handled == 0)
+ goto out;
+
+ /* For each of the HW interrupt registers */
+ for (i = 0; i < INT_SIZE/4; i++) {
+
+ if (intstat[i]) {
+ /* Each function of the board has it's own interruptid.
+ * Find the function that triggered then call
+ * it's handler.
+ */
+ for (bit = 0; bit < 32; bit++) {
+
+ if (((intstat[i] >> bit) & 0x00000001) == 0)
+ continue;
+
+ /* Calculate the interrupt id (0x00 to 0x7f) */
+
+ intid = (i * 32) + bit;
+ if (intid == dev->intfdesc.bInterruptId) {
+ /* A response to an cmd/api call */
+ schedule_work(&dev->workcmd);
+ } else if (intid == porta->hwcfg.interruptid) {
+
+ /* Transport path 1 */
+ saa7164_irq_ts(porta);
+
+ } else if (intid == portb->hwcfg.interruptid) {
+
+ /* Transport path 2 */
+ saa7164_irq_ts(portb);
+
+ } else if (intid == portc->hwcfg.interruptid) {
+
+ /* Encoder path 1 */
+ saa7164_irq_encoder(portc);
+
+ } else if (intid == portd->hwcfg.interruptid) {
+
+ /* Encoder path 2 */
+ saa7164_irq_encoder(portd);
+
+ } else if (intid == porte->hwcfg.interruptid) {
+
+ /* VBI path 1 */
+ saa7164_irq_vbi(porte);
+
+ } else if (intid == portf->hwcfg.interruptid) {
+
+ /* VBI path 2 */
+ saa7164_irq_vbi(portf);
+
+ } else {
+ /* Find the function */
+ dprintk(DBGLVL_IRQ,
+ "%s() unhandled interrupt "
+ "reg 0x%x bit 0x%x "
+ "intid = 0x%x\n",
+ __func__, i, bit, intid);
+ }
+ }
+
+ /* Ack it */
+ saa7164_writel(dev->int_ack + (i * 4), intstat[i]);
+
+ }
+ }
+out:
+ return IRQ_RETVAL(handled);
+}
+
+void saa7164_getfirmwarestatus(struct saa7164_dev *dev)
+{
+ struct saa7164_fw_status *s = &dev->fw_status;
+
+ dev->fw_status.status = saa7164_readl(SAA_DEVICE_SYSINIT_STATUS);
+ dev->fw_status.mode = saa7164_readl(SAA_DEVICE_SYSINIT_MODE);
+ dev->fw_status.spec = saa7164_readl(SAA_DEVICE_SYSINIT_SPEC);
+ dev->fw_status.inst = saa7164_readl(SAA_DEVICE_SYSINIT_INST);
+ dev->fw_status.cpuload = saa7164_readl(SAA_DEVICE_SYSINIT_CPULOAD);
+ dev->fw_status.remainheap =
+ saa7164_readl(SAA_DEVICE_SYSINIT_REMAINHEAP);
+
+ dprintk(1, "Firmware status:\n");
+ dprintk(1, " .status = 0x%08x\n", s->status);
+ dprintk(1, " .mode = 0x%08x\n", s->mode);
+ dprintk(1, " .spec = 0x%08x\n", s->spec);
+ dprintk(1, " .inst = 0x%08x\n", s->inst);
+ dprintk(1, " .cpuload = 0x%08x\n", s->cpuload);
+ dprintk(1, " .remainheap = 0x%08x\n", s->remainheap);
+}
+
+u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev)
+{
+ u32 reg;
+
+ reg = saa7164_readl(SAA_DEVICE_VERSION);
+ dprintk(1, "Device running firmware version %d.%d.%d.%d (0x%x)\n",
+ (reg & 0x0000fc00) >> 10,
+ (reg & 0x000003e0) >> 5,
+ (reg & 0x0000001f),
+ (reg & 0xffff0000) >> 16,
+ reg);
+
+ return reg;
+}
+
+/* TODO: Debugging func, remove */
+void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr)
+{
+ int i;
+
+ dprintk(1, "--------------------> "
+ "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+
+ for (i = 0; i < 0x100; i += 16)
+ dprintk(1, "region0[0x%08x] = "
+ "%02x %02x %02x %02x %02x %02x %02x %02x"
+ " %02x %02x %02x %02x %02x %02x %02x %02x\n", i,
+ (u8)saa7164_readb(addr + i + 0),
+ (u8)saa7164_readb(addr + i + 1),
+ (u8)saa7164_readb(addr + i + 2),
+ (u8)saa7164_readb(addr + i + 3),
+ (u8)saa7164_readb(addr + i + 4),
+ (u8)saa7164_readb(addr + i + 5),
+ (u8)saa7164_readb(addr + i + 6),
+ (u8)saa7164_readb(addr + i + 7),
+ (u8)saa7164_readb(addr + i + 8),
+ (u8)saa7164_readb(addr + i + 9),
+ (u8)saa7164_readb(addr + i + 10),
+ (u8)saa7164_readb(addr + i + 11),
+ (u8)saa7164_readb(addr + i + 12),
+ (u8)saa7164_readb(addr + i + 13),
+ (u8)saa7164_readb(addr + i + 14),
+ (u8)saa7164_readb(addr + i + 15)
+ );
+}
+
+static void saa7164_dump_hwdesc(struct saa7164_dev *dev)
+{
+ dprintk(1, "@0x%p hwdesc sizeof(struct tmComResHWDescr) = %d bytes\n",
+ &dev->hwdesc, (u32)sizeof(struct tmComResHWDescr));
+
+ dprintk(1, " .bLength = 0x%x\n", dev->hwdesc.bLength);
+ dprintk(1, " .bDescriptorType = 0x%x\n", dev->hwdesc.bDescriptorType);
+ dprintk(1, " .bDescriptorSubtype = 0x%x\n",
+ dev->hwdesc.bDescriptorSubtype);
+
+ dprintk(1, " .bcdSpecVersion = 0x%x\n", dev->hwdesc.bcdSpecVersion);
+ dprintk(1, " .dwClockFrequency = 0x%x\n", dev->hwdesc.dwClockFrequency);
+ dprintk(1, " .dwClockUpdateRes = 0x%x\n", dev->hwdesc.dwClockUpdateRes);
+ dprintk(1, " .bCapabilities = 0x%x\n", dev->hwdesc.bCapabilities);
+ dprintk(1, " .dwDeviceRegistersLocation = 0x%x\n",
+ dev->hwdesc.dwDeviceRegistersLocation);
+
+ dprintk(1, " .dwHostMemoryRegion = 0x%x\n",
+ dev->hwdesc.dwHostMemoryRegion);
+
+ dprintk(1, " .dwHostMemoryRegionSize = 0x%x\n",
+ dev->hwdesc.dwHostMemoryRegionSize);
+
+ dprintk(1, " .dwHostHibernatMemRegion = 0x%x\n",
+ dev->hwdesc.dwHostHibernatMemRegion);
+
+ dprintk(1, " .dwHostHibernatMemRegionSize = 0x%x\n",
+ dev->hwdesc.dwHostHibernatMemRegionSize);
+}
+
+static void saa7164_dump_intfdesc(struct saa7164_dev *dev)
+{
+ dprintk(1, "@0x%p intfdesc "
+ "sizeof(struct tmComResInterfaceDescr) = %d bytes\n",
+ &dev->intfdesc, (u32)sizeof(struct tmComResInterfaceDescr));
+
+ dprintk(1, " .bLength = 0x%x\n", dev->intfdesc.bLength);
+ dprintk(1, " .bDescriptorType = 0x%x\n", dev->intfdesc.bDescriptorType);
+ dprintk(1, " .bDescriptorSubtype = 0x%x\n",
+ dev->intfdesc.bDescriptorSubtype);
+
+ dprintk(1, " .bFlags = 0x%x\n", dev->intfdesc.bFlags);
+ dprintk(1, " .bInterfaceType = 0x%x\n", dev->intfdesc.bInterfaceType);
+ dprintk(1, " .bInterfaceId = 0x%x\n", dev->intfdesc.bInterfaceId);
+ dprintk(1, " .bBaseInterface = 0x%x\n", dev->intfdesc.bBaseInterface);
+ dprintk(1, " .bInterruptId = 0x%x\n", dev->intfdesc.bInterruptId);
+ dprintk(1, " .bDebugInterruptId = 0x%x\n",
+ dev->intfdesc.bDebugInterruptId);
+
+ dprintk(1, " .BARLocation = 0x%x\n", dev->intfdesc.BARLocation);
+}
+
+static void saa7164_dump_busdesc(struct saa7164_dev *dev)
+{
+ dprintk(1, "@0x%p busdesc sizeof(struct tmComResBusDescr) = %d bytes\n",
+ &dev->busdesc, (u32)sizeof(struct tmComResBusDescr));
+
+ dprintk(1, " .CommandRing = 0x%016Lx\n", dev->busdesc.CommandRing);
+ dprintk(1, " .ResponseRing = 0x%016Lx\n", dev->busdesc.ResponseRing);
+ dprintk(1, " .CommandWrite = 0x%x\n", dev->busdesc.CommandWrite);
+ dprintk(1, " .CommandRead = 0x%x\n", dev->busdesc.CommandRead);
+ dprintk(1, " .ResponseWrite = 0x%x\n", dev->busdesc.ResponseWrite);
+ dprintk(1, " .ResponseRead = 0x%x\n", dev->busdesc.ResponseRead);
+}
+
+/* Much of the hardware configuration and PCI registers are configured
+ * dynamically depending on firmware. We have to cache some initial
+ * structures then use these to locate other important structures
+ * from PCI space.
+ */
+static void saa7164_get_descriptors(struct saa7164_dev *dev)
+{
+ memcpy_fromio(&dev->hwdesc, dev->bmmio, sizeof(struct tmComResHWDescr));
+ memcpy_fromio(&dev->intfdesc, dev->bmmio + sizeof(struct tmComResHWDescr),
+ sizeof(struct tmComResInterfaceDescr));
+ memcpy_fromio(&dev->busdesc, dev->bmmio + dev->intfdesc.BARLocation,
+ sizeof(struct tmComResBusDescr));
+
+ if (dev->hwdesc.bLength != sizeof(struct tmComResHWDescr)) {
+ printk(KERN_ERR "Structure struct tmComResHWDescr is mangled\n");
+ printk(KERN_ERR "Need %x got %d\n", dev->hwdesc.bLength,
+ (u32)sizeof(struct tmComResHWDescr));
+ } else
+ saa7164_dump_hwdesc(dev);
+
+ if (dev->intfdesc.bLength != sizeof(struct tmComResInterfaceDescr)) {
+ printk(KERN_ERR "struct struct tmComResInterfaceDescr is mangled\n");
+ printk(KERN_ERR "Need %x got %d\n", dev->intfdesc.bLength,
+ (u32)sizeof(struct tmComResInterfaceDescr));
+ } else
+ saa7164_dump_intfdesc(dev);
+
+ saa7164_dump_busdesc(dev);
+}
+
+static int saa7164_pci_quirks(struct saa7164_dev *dev)
+{
+ return 0;
+}
+
+static int get_resources(struct saa7164_dev *dev)
+{
+ if (request_mem_region(pci_resource_start(dev->pci, 0),
+ pci_resource_len(dev->pci, 0), dev->name)) {
+
+ if (request_mem_region(pci_resource_start(dev->pci, 2),
+ pci_resource_len(dev->pci, 2), dev->name))
+ return 0;
+ }
+
+ printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx or 0x%llx\n",
+ dev->name,
+ (u64)pci_resource_start(dev->pci, 0),
+ (u64)pci_resource_start(dev->pci, 2));
+
+ return -EBUSY;
+}
+
+static int saa7164_port_init(struct saa7164_dev *dev, int portnr)
+{
+ struct saa7164_port *port = NULL;
+
+ if ((portnr < 0) || (portnr >= SAA7164_MAX_PORTS))
+ BUG();
+
+ port = &dev->ports[portnr];
+
+ port->dev = dev;
+ port->nr = portnr;
+
+ if ((portnr == SAA7164_PORT_TS1) || (portnr == SAA7164_PORT_TS2))
+ port->type = SAA7164_MPEG_DVB;
+ else
+ if ((portnr == SAA7164_PORT_ENC1) || (portnr == SAA7164_PORT_ENC2)) {
+ port->type = SAA7164_MPEG_ENCODER;
+
+ /* We need a deferred interrupt handler for cmd handling */
+ INIT_WORK(&port->workenc, saa7164_work_enchandler);
+ } else if ((portnr == SAA7164_PORT_VBI1) || (portnr == SAA7164_PORT_VBI2)) {
+ port->type = SAA7164_MPEG_VBI;
+
+ /* We need a deferred interrupt handler for cmd handling */
+ INIT_WORK(&port->workenc, saa7164_work_vbihandler);
+ } else
+ BUG();
+
+ /* Init all the critical resources */
+ mutex_init(&port->dvb.lock);
+ INIT_LIST_HEAD(&port->dmaqueue.list);
+ mutex_init(&port->dmaqueue_lock);
+
+ INIT_LIST_HEAD(&port->list_buf_used.list);
+ INIT_LIST_HEAD(&port->list_buf_free.list);
+ init_waitqueue_head(&port->wait_read);
+
+
+ saa7164_histogram_reset(&port->irq_interval, "irq intervals");
+ saa7164_histogram_reset(&port->svc_interval, "deferred intervals");
+ saa7164_histogram_reset(&port->irq_svc_interval,
+ "irq to deferred intervals");
+ saa7164_histogram_reset(&port->read_interval,
+ "encoder/vbi read() intervals");
+ saa7164_histogram_reset(&port->poll_interval,
+ "encoder/vbi poll() intervals");
+
+ return 0;
+}
+
+static int saa7164_dev_setup(struct saa7164_dev *dev)
+{
+ int i;
+
+ mutex_init(&dev->lock);
+ atomic_inc(&dev->refcount);
+ dev->nr = saa7164_devcount++;
+
+ snprintf(dev->name, sizeof(dev->name), "saa7164[%d]", dev->nr);
+
+ mutex_lock(&devlist);
+ list_add_tail(&dev->devlist, &saa7164_devlist);
+ mutex_unlock(&devlist);
+
+ /* board config */
+ dev->board = UNSET;
+ if (card[dev->nr] < saa7164_bcount)
+ dev->board = card[dev->nr];
+
+ for (i = 0; UNSET == dev->board && i < saa7164_idcount; i++)
+ if (dev->pci->subsystem_vendor == saa7164_subids[i].subvendor &&
+ dev->pci->subsystem_device ==
+ saa7164_subids[i].subdevice)
+ dev->board = saa7164_subids[i].card;
+
+ if (UNSET == dev->board) {
+ dev->board = SAA7164_BOARD_UNKNOWN;
+ saa7164_card_list(dev);
+ }
+
+ dev->pci_bus = dev->pci->bus->number;
+ dev->pci_slot = PCI_SLOT(dev->pci->devfn);
+
+ /* I2C Defaults / setup */
+ dev->i2c_bus[0].dev = dev;
+ dev->i2c_bus[0].nr = 0;
+ dev->i2c_bus[1].dev = dev;
+ dev->i2c_bus[1].nr = 1;
+ dev->i2c_bus[2].dev = dev;
+ dev->i2c_bus[2].nr = 2;
+
+ /* Transport + Encoder ports 1, 2, 3, 4 - Defaults / setup */
+ saa7164_port_init(dev, SAA7164_PORT_TS1);
+ saa7164_port_init(dev, SAA7164_PORT_TS2);
+ saa7164_port_init(dev, SAA7164_PORT_ENC1);
+ saa7164_port_init(dev, SAA7164_PORT_ENC2);
+ saa7164_port_init(dev, SAA7164_PORT_VBI1);
+ saa7164_port_init(dev, SAA7164_PORT_VBI2);
+
+ if (get_resources(dev) < 0) {
+ printk(KERN_ERR "CORE %s No more PCIe resources for "
+ "subsystem: %04x:%04x\n",
+ dev->name, dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device);
+
+ saa7164_devcount--;
+ return -ENODEV;
+ }
+
+ /* PCI/e allocations */
+ dev->lmmio = ioremap(pci_resource_start(dev->pci, 0),
+ pci_resource_len(dev->pci, 0));
+
+ dev->lmmio2 = ioremap(pci_resource_start(dev->pci, 2),
+ pci_resource_len(dev->pci, 2));
+
+ dev->bmmio = (u8 __iomem *)dev->lmmio;
+ dev->bmmio2 = (u8 __iomem *)dev->lmmio2;
+
+ /* Inerrupt and ack register locations offset of bmmio */
+ dev->int_status = 0x183000 + 0xf80;
+ dev->int_ack = 0x183000 + 0xf90;
+
+ printk(KERN_INFO
+ "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
+ dev->name, dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device, saa7164_boards[dev->board].name,
+ dev->board, card[dev->nr] == dev->board ?
+ "insmod option" : "autodetected");
+
+ saa7164_pci_quirks(dev);
+
+ return 0;
+}
+
+static void saa7164_dev_unregister(struct saa7164_dev *dev)
+{
+ dprintk(1, "%s()\n", __func__);
+
+ release_mem_region(pci_resource_start(dev->pci, 0),
+ pci_resource_len(dev->pci, 0));
+
+ release_mem_region(pci_resource_start(dev->pci, 2),
+ pci_resource_len(dev->pci, 2));
+
+ if (!atomic_dec_and_test(&dev->refcount))
+ return;
+
+ iounmap(dev->lmmio);
+ iounmap(dev->lmmio2);
+
+ return;
+}
+
+#ifdef CONFIG_PROC_FS
+static int saa7164_proc_show(struct seq_file *m, void *v)
+{
+ struct saa7164_dev *dev;
+ struct tmComResBusInfo *b;
+ struct list_head *list;
+ int i, c;
+
+ if (saa7164_devcount == 0)
+ return 0;
+
+ list_for_each(list, &saa7164_devlist) {
+ dev = list_entry(list, struct saa7164_dev, devlist);
+ seq_printf(m, "%s = %p\n", dev->name, dev);
+
+ /* Lock the bus from any other access */
+ b = &dev->bus;
+ mutex_lock(&b->lock);
+
+ seq_printf(m, " .m_pdwSetWritePos = 0x%x (0x%08x)\n",
+ b->m_dwSetReadPos, saa7164_readl(b->m_dwSetReadPos));
+
+ seq_printf(m, " .m_pdwSetReadPos = 0x%x (0x%08x)\n",
+ b->m_dwSetWritePos, saa7164_readl(b->m_dwSetWritePos));
+
+ seq_printf(m, " .m_pdwGetWritePos = 0x%x (0x%08x)\n",
+ b->m_dwGetReadPos, saa7164_readl(b->m_dwGetReadPos));
+
+ seq_printf(m, " .m_pdwGetReadPos = 0x%x (0x%08x)\n",
+ b->m_dwGetWritePos, saa7164_readl(b->m_dwGetWritePos));
+ c = 0;
+ seq_printf(m, "\n Set Ring:\n");
+ seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+ for (i = 0; i < b->m_dwSizeSetRing; i++) {
+ if (c == 0)
+ seq_printf(m, " %04x:", i);
+
+ seq_printf(m, " %02x", readb(b->m_pdwSetRing + i));
+
+ if (++c == 16) {
+ seq_printf(m, "\n");
+ c = 0;
+ }
+ }
+
+ c = 0;
+ seq_printf(m, "\n Get Ring:\n");
+ seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+ for (i = 0; i < b->m_dwSizeGetRing; i++) {
+ if (c == 0)
+ seq_printf(m, " %04x:", i);
+
+ seq_printf(m, " %02x", readb(b->m_pdwGetRing + i));
+
+ if (++c == 16) {
+ seq_printf(m, "\n");
+ c = 0;
+ }
+ }
+
+ mutex_unlock(&b->lock);
+
+ }
+
+ return 0;
+}
+
+static int saa7164_proc_open(struct inode *inode, struct file *filp)
+{
+ return single_open(filp, saa7164_proc_show, NULL);
+}
+
+static const struct file_operations saa7164_proc_fops = {
+ .open = saa7164_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int saa7164_proc_create(void)
+{
+ struct proc_dir_entry *pe;
+
+ pe = proc_create("saa7164", S_IRUGO, NULL, &saa7164_proc_fops);
+ if (!pe)
+ return -ENOMEM;
+
+ return 0;
+}
+#endif
+
+static int saa7164_thread_function(void *data)
+{
+ struct saa7164_dev *dev = data;
+ struct tmFwInfoStruct fwinfo;
+ u64 last_poll_time = 0;
+
+ dprintk(DBGLVL_THR, "thread started\n");
+
+ set_freezable();
+
+ while (1) {
+ msleep_interruptible(100);
+ if (kthread_should_stop())
+ break;
+ try_to_freeze();
+
+ dprintk(DBGLVL_THR, "thread running\n");
+
+ /* Dump the firmware debug message to console */
+ /* Polling this costs us 1-2% of the arm CPU */
+ /* convert this into a respnde to interrupt 0x7a */
+ saa7164_api_collect_debug(dev);
+
+ /* Monitor CPU load every 1 second */
+ if ((last_poll_time + 1000 /* ms */) < jiffies_to_msecs(jiffies)) {
+ saa7164_api_get_load_info(dev, &fwinfo);
+ last_poll_time = jiffies_to_msecs(jiffies);
+ }
+
+ }
+
+ dprintk(DBGLVL_THR, "thread exiting\n");
+ return 0;
+}
+
+static int saa7164_initdev(struct pci_dev *pci_dev,
+ const struct pci_device_id *pci_id)
+{
+ struct saa7164_dev *dev;
+ int err, i;
+ u32 version;
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (NULL == dev)
+ return -ENOMEM;
+
+ err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
+ if (err < 0) {
+ dev_err(&pci_dev->dev, "v4l2_device_register failed\n");
+ goto fail_free;
+ }
+
+ /* pci init */
+ dev->pci = pci_dev;
+ if (pci_enable_device(pci_dev)) {
+ err = -EIO;
+ goto fail_free;
+ }
+
+ if (saa7164_dev_setup(dev) < 0) {
+ err = -EINVAL;
+ goto fail_free;
+ }
+
+ /* print pci info */
+ dev->pci_rev = pci_dev->revision;
+ pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
+ printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
+ "latency: %d, mmio: 0x%llx\n", dev->name,
+ pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
+ dev->pci_lat,
+ (unsigned long long)pci_resource_start(pci_dev, 0));
+
+ pci_set_master(pci_dev);
+ /* TODO */
+ if (!pci_dma_supported(pci_dev, 0xffffffff)) {
+ printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
+ err = -EIO;
+ goto fail_irq;
+ }
+
+ err = request_irq(pci_dev->irq, saa7164_irq,
+ IRQF_SHARED, dev->name, dev);
+ if (err < 0) {
+ printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name,
+ pci_dev->irq);
+ err = -EIO;
+ goto fail_irq;
+ }
+
+ pci_set_drvdata(pci_dev, dev);
+
+ /* Init the internal command list */
+ for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) {
+ dev->cmds[i].seqno = i;
+ dev->cmds[i].inuse = 0;
+ mutex_init(&dev->cmds[i].lock);
+ init_waitqueue_head(&dev->cmds[i].wait);
+ }
+
+ /* We need a deferred interrupt handler for cmd handling */
+ INIT_WORK(&dev->workcmd, saa7164_work_cmdhandler);
+
+ /* Only load the firmware if we know the board */
+ if (dev->board != SAA7164_BOARD_UNKNOWN) {
+
+ err = saa7164_downloadfirmware(dev);
+ if (err < 0) {
+ printk(KERN_ERR
+ "Failed to boot firmware, no features "
+ "registered\n");
+ goto fail_fw;
+ }
+
+ saa7164_get_descriptors(dev);
+ saa7164_dumpregs(dev, 0);
+ saa7164_getcurrentfirmwareversion(dev);
+ saa7164_getfirmwarestatus(dev);
+ err = saa7164_bus_setup(dev);
+ if (err < 0)
+ printk(KERN_ERR
+ "Failed to setup the bus, will continue\n");
+ saa7164_bus_dump(dev);
+
+ /* Ping the running firmware via the command bus and get the
+ * firmware version, this checks the bus is running OK.
+ */
+ version = 0;
+ if (saa7164_api_get_fw_version(dev, &version) == SAA_OK)
+ dprintk(1, "Bus is operating correctly using "
+ "version %d.%d.%d.%d (0x%x)\n",
+ (version & 0x0000fc00) >> 10,
+ (version & 0x000003e0) >> 5,
+ (version & 0x0000001f),
+ (version & 0xffff0000) >> 16,
+ version);
+ else
+ printk(KERN_ERR
+ "Failed to communicate with the firmware\n");
+
+ /* Bring up the I2C buses */
+ saa7164_i2c_register(&dev->i2c_bus[0]);
+ saa7164_i2c_register(&dev->i2c_bus[1]);
+ saa7164_i2c_register(&dev->i2c_bus[2]);
+ saa7164_gpio_setup(dev);
+ saa7164_card_setup(dev);
+
+ /* Parse the dynamic device configuration, find various
+ * media endpoints (MPEG, WMV, PS, TS) and cache their
+ * configuration details into the driver, so we can
+ * reference them later during simething_register() func,
+ * interrupt handlers, deferred work handlers etc.
+ */
+ saa7164_api_enum_subdevs(dev);
+
+ /* Begin to create the video sub-systems and register funcs */
+ if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) {
+ if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS1]) < 0) {
+ printk(KERN_ERR "%s() Failed to register "
+ "dvb adapters on porta\n",
+ __func__);
+ }
+ }
+
+ if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) {
+ if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS2]) < 0) {
+ printk(KERN_ERR"%s() Failed to register "
+ "dvb adapters on portb\n",
+ __func__);
+ }
+ }
+
+ if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER) {
+ if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC1]) < 0) {
+ printk(KERN_ERR"%s() Failed to register "
+ "mpeg encoder\n", __func__);
+ }
+ }
+
+ if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER) {
+ if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC2]) < 0) {
+ printk(KERN_ERR"%s() Failed to register "
+ "mpeg encoder\n", __func__);
+ }
+ }
+
+ if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI) {
+ if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI1]) < 0) {
+ printk(KERN_ERR"%s() Failed to register "
+ "vbi device\n", __func__);
+ }
+ }
+
+ if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI) {
+ if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI2]) < 0) {
+ printk(KERN_ERR"%s() Failed to register "
+ "vbi device\n", __func__);
+ }
+ }
+ saa7164_api_set_debug(dev, fw_debug);
+
+ if (fw_debug) {
+ dev->kthread = kthread_run(saa7164_thread_function, dev,
+ "saa7164 debug");
+ if (IS_ERR(dev->kthread)) {
+ dev->kthread = NULL;
+ printk(KERN_ERR "%s() Failed to create "
+ "debug kernel thread\n", __func__);
+ }
+ }
+
+ } /* != BOARD_UNKNOWN */
+ else
+ printk(KERN_ERR "%s() Unsupported board detected, "
+ "registering without firmware\n", __func__);
+
+ dprintk(1, "%s() parameter debug = %d\n", __func__, saa_debug);
+ dprintk(1, "%s() parameter waitsecs = %d\n", __func__, waitsecs);
+
+fail_fw:
+ return 0;
+
+fail_irq:
+ saa7164_dev_unregister(dev);
+fail_free:
+ v4l2_device_unregister(&dev->v4l2_dev);
+ kfree(dev);
+ return err;
+}
+
+static void saa7164_shutdown(struct saa7164_dev *dev)
+{
+ dprintk(1, "%s()\n", __func__);
+}
+
+static void saa7164_finidev(struct pci_dev *pci_dev)
+{
+ struct saa7164_dev *dev = pci_get_drvdata(pci_dev);
+
+ if (dev->board != SAA7164_BOARD_UNKNOWN) {
+ if (fw_debug && dev->kthread) {
+ kthread_stop(dev->kthread);
+ dev->kthread = NULL;
+ }
+ if (dev->firmwareloaded)
+ saa7164_api_set_debug(dev, 0x00);
+ }
+
+ saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
+ &dev->ports[SAA7164_PORT_ENC1].irq_interval);
+ saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
+ &dev->ports[SAA7164_PORT_ENC1].svc_interval);
+ saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
+ &dev->ports[SAA7164_PORT_ENC1].irq_svc_interval);
+ saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
+ &dev->ports[SAA7164_PORT_ENC1].read_interval);
+ saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
+ &dev->ports[SAA7164_PORT_ENC1].poll_interval);
+ saa7164_histogram_print(&dev->ports[SAA7164_PORT_VBI1],
+ &dev->ports[SAA7164_PORT_VBI1].read_interval);
+ saa7164_histogram_print(&dev->ports[SAA7164_PORT_VBI2],
+ &dev->ports[SAA7164_PORT_VBI2].poll_interval);
+
+ saa7164_shutdown(dev);
+
+ if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB)
+ saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS1]);
+
+ if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB)
+ saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS2]);
+
+ if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER)
+ saa7164_encoder_unregister(&dev->ports[SAA7164_PORT_ENC1]);
+
+ if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER)
+ saa7164_encoder_unregister(&dev->ports[SAA7164_PORT_ENC2]);
+
+ if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI)
+ saa7164_vbi_unregister(&dev->ports[SAA7164_PORT_VBI1]);
+
+ if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI)
+ saa7164_vbi_unregister(&dev->ports[SAA7164_PORT_VBI2]);
+
+ saa7164_i2c_unregister(&dev->i2c_bus[0]);
+ saa7164_i2c_unregister(&dev->i2c_bus[1]);
+ saa7164_i2c_unregister(&dev->i2c_bus[2]);
+
+ /* unregister stuff */
+ free_irq(pci_dev->irq, dev);
+
+ pci_disable_device(pci_dev);
+
+ mutex_lock(&devlist);
+ list_del(&dev->devlist);
+ mutex_unlock(&devlist);
+
+ saa7164_dev_unregister(dev);
+ v4l2_device_unregister(&dev->v4l2_dev);
+ kfree(dev);
+}
+
+static struct pci_device_id saa7164_pci_tbl[] = {
+ {
+ /* SAA7164 */
+ .vendor = 0x1131,
+ .device = 0x7164,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ }, {
+ /* --- end of list --- */
+ }
+};
+MODULE_DEVICE_TABLE(pci, saa7164_pci_tbl);
+
+static struct pci_driver saa7164_pci_driver = {
+ .name = "saa7164",
+ .id_table = saa7164_pci_tbl,
+ .probe = saa7164_initdev,
+ .remove = saa7164_finidev,
+ /* TODO */
+ .suspend = NULL,
+ .resume = NULL,
+};
+
+static int __init saa7164_init(void)
+{
+ printk(KERN_INFO "saa7164 driver loaded\n");
+
+#ifdef CONFIG_PROC_FS
+ saa7164_proc_create();
+#endif
+ return pci_register_driver(&saa7164_pci_driver);
+}
+
+static void __exit saa7164_fini(void)
+{
+#ifdef CONFIG_PROC_FS
+ remove_proc_entry("saa7164", NULL);
+#endif
+ pci_unregister_driver(&saa7164_pci_driver);
+}
+
+module_init(saa7164_init);
+module_exit(saa7164_fini);
+
Code Review / kvmfornfv.git / blobdiff