diff options
Diffstat (limited to 'drivers/media/video/saa7164/saa7164-core.c')
-rw-r--r-- | drivers/media/video/saa7164/saa7164-core.c | 890 |
1 files changed, 838 insertions, 52 deletions
diff --git a/drivers/media/video/saa7164/saa7164-core.c b/drivers/media/video/saa7164/saa7164-core.c index e6aa0fbd1e91..e1bac5051460 100644 --- a/drivers/media/video/saa7164/saa7164-core.c +++ b/drivers/media/video/saa7164/saa7164-core.c @@ -1,7 +1,7 @@ /* * 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 @@ -30,6 +30,9 @@ #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"); @@ -49,14 +52,38 @@ unsigned int saa_debug; 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); @@ -64,6 +91,444 @@ LIST_HEAD(saa7164_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); @@ -74,7 +539,7 @@ static void saa7164_work_cmdhandler(struct work_struct *w) 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, @@ -82,7 +547,56 @@ static void saa7164_buffer_deliver(struct saa7164_buffer *buf) } -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; @@ -96,7 +610,7 @@ static irqreturn_t saa7164_irq_ts(struct saa7164_tsport *port) /* Find the previous buffer to the current write point */ if (wp == 0) - rp = 7; + rp = (port->hwcfg.buffercount - 1); else rp = wp - 1; @@ -107,7 +621,7 @@ static irqreturn_t saa7164_irq_ts(struct saa7164_tsport *port) 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); @@ -123,6 +637,13 @@ static irqreturn_t saa7164_irq_ts(struct saa7164_tsport *port) 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; @@ -168,17 +689,35 @@ static irqreturn_t saa7164_irq(int irq, void *dev_id) 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 */ @@ -286,8 +825,8 @@ void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr) 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); @@ -317,8 +856,8 @@ static void saa7164_dump_hwdesc(struct saa7164_dev *dev) 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); @@ -338,8 +877,8 @@ static void saa7164_dump_intfdesc(struct saa7164_dev *dev) 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); @@ -356,23 +895,23 @@ static void saa7164_dump_busdesc(struct saa7164_dev *dev) */ 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); @@ -402,6 +941,58 @@ static int get_resources(struct saa7164_dev *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; @@ -443,23 +1034,13 @@ static int saa7164_dev_setup(struct saa7164_dev *dev) 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 " @@ -516,6 +1097,132 @@ static void saa7164_dev_unregister(struct saa7164_dev *dev) 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) { @@ -622,7 +1329,6 @@ static int __devinit saa7164_initdev(struct pci_dev *pci_dev, 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 @@ -633,7 +1339,7 @@ static int __devinit saa7164_initdev(struct pci_dev *pci_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->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__); @@ -641,13 +1347,50 @@ static int __devinit saa7164_initdev(struct pci_dev *pci_dev, } 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, " @@ -675,13 +1418,49 @@ static void __devexit 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->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]); @@ -727,11 +1506,18 @@ static struct pci_driver saa7164_pci_driver = { 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); } |