/*
* Driver for the NXP SAA7164 PCIe bridge
*
- * Copyright (c) 2009 Steven Toth <stoth@kernellabs.com>
+ * 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
#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_param_named(debug, saa_debug, int, 0644);
MODULE_PARM_DESC(debug, "enable debug messages");
+unsigned int fw_debug;
+module_param(fw_debug, int, 0644);
+MODULE_PARM_DESC(fw_debug, "Firware 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(debug, "timeout on firmware messages");
+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");
+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");
+
+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);
#define INT_SIZE 16
+void saa7164_dumphex16FF(struct saa7164_dev *dev, u8 *buf, int len)
+{
+ int i;
+ u8 tmp[16];
+ memset(&tmp[0], 0xff, sizeof(tmp));
+
+ printk(KERN_INFO "--------------------> "
+ "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+
+ for (i = 0; i < len; i += 16) {
+ if (memcmp(&tmp, buf + i, sizeof(tmp)) != 0) {
+ printk(KERN_INFO " [0x%08x] "
+ "%02x %02x %02x %02x %02x %02x %02x %02x "
+ "%02x %02x %02x %02x %02x %02x %02x %02x\n", i,
+ *(buf+i+0), *(buf+i+1), *(buf+i+2), *(buf+i+3),
+ *(buf+i+4), *(buf+i+5), *(buf+i+6), *(buf+i+7),
+ *(buf+i+8), *(buf+i+9), *(buf+i+10), *(buf+i+11),
+ *(buf+i+12), *(buf+i+13), *(buf+i+14), *(buf+i+15));
+ }
+ }
+}
+
+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);
+// saa7164_dumphex16FF(buf->port->dev, (p + i), 32);
+ }
+ }
+}
+
+#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 __iomem *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 = 0;
+ struct saa7164_user_buffer *ubuf = 0;
+ struct list_head *c, *n;
+ int i = 0;
+ u8 __iomem *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);
+// saa7164_dumphex16FF(dev, (p + buf->actual_size) - 32 , 64);
+ }
+ }
+
+ 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_fromio(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_io(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 < 0) || (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 < 0) || (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);
static void saa7164_buffer_deliver(struct saa7164_buffer *buf)
{
- struct saa7164_tsport *port = buf->port;
+ struct saa7164_port *port = buf->port;
/* Feed the transport payload into the kernel demux */
dvb_dmx_swfilter_packets(&port->dvb.demux, (u8 *)buf->cpu,
}
-static irqreturn_t saa7164_irq_ts(struct saa7164_tsport *port)
+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;
/* Find the previous buffer to the current write point */
if (wp == 0)
- rp = 7;
+ rp = (port->hwcfg.buffercount - 1);
else
rp = wp - 1;
if (i++ > port->hwcfg.buffercount)
BUG();
- if (buf->nr == rp) {
+ if (buf->idx == rp) {
/* Found the buffer, deal with it */
dprintk(DBGLVL_IRQ, "%s() wp: %d processing: %d\n",
__func__, wp, rp);
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 (intid == dev->intfdesc.bInterruptId) {
/* A response to an cmd/api call */
schedule_work(&dev->workcmd);
- } else if (intid ==
- dev->ts1.hwcfg.interruptid) {
+ } else if (intid == porta->hwcfg.interruptid) {
/* Transport path 1 */
- saa7164_irq_ts(&dev->ts1);
+ saa7164_irq_ts(porta);
- } else if (intid ==
- dev->ts2.hwcfg.interruptid) {
+ } else if (intid == portb->hwcfg.interruptid) {
/* Transport path 2 */
- saa7164_irq_ts(&dev->ts2);
+ 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 */
static void saa7164_dump_hwdesc(struct saa7164_dev *dev)
{
- dprintk(1, "@0x%p hwdesc sizeof(tmComResHWDescr_t) = %d bytes\n",
- &dev->hwdesc, (u32)sizeof(tmComResHWDescr_t));
+ 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);
static void saa7164_dump_intfdesc(struct saa7164_dev *dev)
{
dprintk(1, "@0x%p intfdesc "
- "sizeof(tmComResInterfaceDescr_t) = %d bytes\n",
- &dev->intfdesc, (u32)sizeof(tmComResInterfaceDescr_t));
+ "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);
static void saa7164_dump_busdesc(struct saa7164_dev *dev)
{
- dprintk(1, "@0x%p busdesc sizeof(tmComResBusDescr_t) = %d bytes\n",
- &dev->busdesc, (u32)sizeof(tmComResBusDescr_t));
+ 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);
*/
static void saa7164_get_descriptors(struct saa7164_dev *dev)
{
- memcpy(&dev->hwdesc, dev->bmmio, sizeof(tmComResHWDescr_t));
- memcpy(&dev->intfdesc, dev->bmmio + sizeof(tmComResHWDescr_t),
- sizeof(tmComResInterfaceDescr_t));
- memcpy(&dev->busdesc, dev->bmmio + dev->intfdesc.BARLocation,
- sizeof(tmComResBusDescr_t));
-
- if (dev->hwdesc.bLength != sizeof(tmComResHWDescr_t)) {
- printk(KERN_ERR "Structure tmComResHWDescr_t is mangled\n");
+ 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(tmComResHWDescr_t));
+ (u32)sizeof(struct tmComResHWDescr));
} else
saa7164_dump_hwdesc(dev);
- if (dev->intfdesc.bLength != sizeof(tmComResInterfaceDescr_t)) {
- printk(KERN_ERR "struct tmComResInterfaceDescr_t is mangled\n");
+ 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(tmComResInterfaceDescr_t));
+ (u32)sizeof(struct tmComResInterfaceDescr));
} else
saa7164_dump_intfdesc(dev);
return -EBUSY;
}
+static int saa7164_port_init(struct saa7164_dev *dev, int portnr)
+{
+ struct saa7164_port *port = 0;
+
+ 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;
dev->i2c_bus[2].dev = dev;
dev->i2c_bus[2].nr = 2;
- /* Transport port A Defaults / setup */
- dev->ts1.dev = dev;
- dev->ts1.nr = 0;
- mutex_init(&dev->ts1.dvb.lock);
- INIT_LIST_HEAD(&dev->ts1.dmaqueue.list);
- INIT_LIST_HEAD(&dev->ts1.dummy_dmaqueue.list);
- mutex_init(&dev->ts1.dmaqueue_lock);
- mutex_init(&dev->ts1.dummy_dmaqueue_lock);
-
- /* Transport port B Defaults / setup */
- dev->ts2.dev = dev;
- dev->ts2.nr = 1;
- mutex_init(&dev->ts2.dvb.lock);
- INIT_LIST_HEAD(&dev->ts2.dmaqueue.list);
- INIT_LIST_HEAD(&dev->ts2.dummy_dmaqueue.list);
- mutex_init(&dev->ts2.dmaqueue_lock);
- mutex_init(&dev->ts2.dummy_dmaqueue_lock);
+ /* 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 "
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", *(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", *(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 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 __devinit saa7164_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
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
/* Begin to create the video sub-systems and register funcs */
if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) {
- if (saa7164_dvb_register(&dev->ts1) < 0) {
+ 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->ts2) < 0) {
+ 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 (!dev->kthread)
+ printk(KERN_ERR "%s() Failed to create "
+ "debug kernel thread\n", __func__);
+ }
+
} /* != BOARD_UNKNOWN */
else
printk(KERN_ERR "%s() Unsupported board detected, "
{
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->ts1);
+ saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS1]);
if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB)
- saa7164_dvb_unregister(&dev->ts2);
+ 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]);
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);
}
projects / mv-sheeva.git / blobdiff