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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/pci/saa7134/saa7134-core.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-core.c')
-rw-r--r--drivers/media/pci/saa7134/saa7134-core.c1556
1 files changed, 1556 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c
new file mode 100644
index 000000000..cf2871306
--- /dev/null
+++ b/drivers/media/pci/saa7134/saa7134-core.c
@@ -0,0 +1,1556 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *
+ * device driver for philips saa7134 based TV cards
+ * driver core
+ *
+ * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
+ */
+
+#include "saa7134.h"
+#include "saa7134-reg.h"
+
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/kmod.h>
+#include <linux/sound.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/dma-mapping.h>
+#include <linux/pm.h>
+
+MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
+MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(SAA7134_VERSION);
+
+
+/* ------------------------------------------------------------------ */
+
+static unsigned int irq_debug;
+module_param(irq_debug, int, 0644);
+MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
+
+static unsigned int core_debug;
+module_param(core_debug, int, 0644);
+MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
+
+static unsigned int gpio_tracking;
+module_param(gpio_tracking, int, 0644);
+MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
+
+static unsigned int alsa = 1;
+module_param(alsa, int, 0644);
+MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
+
+static unsigned int latency = UNSET;
+module_param(latency, int, 0444);
+MODULE_PARM_DESC(latency,"pci latency timer");
+
+int saa7134_no_overlay=-1;
+module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
+MODULE_PARM_DESC(no_overlay, "allow override overlay default (0 disables, 1 enables) [some VIA/SIS chipsets are known to have problem with overlay]");
+
+bool saa7134_userptr;
+module_param(saa7134_userptr, bool, 0644);
+MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support");
+
+static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+
+
+module_param_array(video_nr, int, NULL, 0444);
+module_param_array(vbi_nr, int, NULL, 0444);
+module_param_array(radio_nr, int, NULL, 0444);
+module_param_array(tuner, int, NULL, 0444);
+module_param_array(card, int, NULL, 0444);
+
+MODULE_PARM_DESC(video_nr, "video device number");
+MODULE_PARM_DESC(vbi_nr, "vbi device number");
+MODULE_PARM_DESC(radio_nr, "radio device number");
+MODULE_PARM_DESC(tuner, "tuner type");
+MODULE_PARM_DESC(card, "card type");
+
+DEFINE_MUTEX(saa7134_devlist_lock);
+EXPORT_SYMBOL(saa7134_devlist_lock);
+LIST_HEAD(saa7134_devlist);
+EXPORT_SYMBOL(saa7134_devlist);
+static LIST_HEAD(mops_list);
+static unsigned int saa7134_devcount;
+
+int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
+int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
+
+#define core_dbg(fmt, arg...) do { \
+ if (core_debug) \
+ printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \
+ } while (0)
+
+#define irq_dbg(level, fmt, arg...) do {\
+ if (irq_debug > level) \
+ printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \
+ } while (0)
+
+void saa7134_track_gpio(struct saa7134_dev *dev, const char *msg)
+{
+ unsigned long mode,status;
+
+ if (!gpio_tracking)
+ return;
+ /* rising SAA7134_GPIO_GPRESCAN reads the status */
+ saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
+ saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
+ mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
+ status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
+ core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
+ dev->name, mode, (~mode) & status, mode & status, msg);
+}
+
+void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
+{
+ u32 index, bitval;
+
+ index = 1 << bit_no;
+ switch (value) {
+ case 0: /* static value */
+ case 1:
+ core_dbg("setting GPIO%d to static %d\n", bit_no, value);
+ /* turn sync mode off if necessary */
+ if (index & 0x00c00000)
+ saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
+ if (value)
+ bitval = index;
+ else
+ bitval = 0;
+ saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
+ saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
+ break;
+ case 3: /* tristate */
+ core_dbg("setting GPIO%d to tristate\n", bit_no);
+ saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
+ break;
+ }
+}
+
+/* ------------------------------------------------------------------ */
+
+
+/* ----------------------------------------------------------- */
+/* delayed request_module */
+
+#if defined(CONFIG_MODULES) && defined(MODULE)
+
+static void request_module_async(struct work_struct *work){
+ struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
+ if (card_is_empress(dev))
+ request_module("saa7134-empress");
+ if (card_is_dvb(dev))
+ request_module("saa7134-dvb");
+ if (card_is_go7007(dev))
+ request_module("saa7134-go7007");
+ if (alsa) {
+ if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
+ request_module("saa7134-alsa");
+ }
+}
+
+static void request_submodules(struct saa7134_dev *dev)
+{
+ INIT_WORK(&dev->request_module_wk, request_module_async);
+ schedule_work(&dev->request_module_wk);
+}
+
+static void flush_request_submodules(struct saa7134_dev *dev)
+{
+ flush_work(&dev->request_module_wk);
+}
+
+#else
+#define request_submodules(dev)
+#define flush_request_submodules(dev)
+#endif /* CONFIG_MODULES */
+
+/* ------------------------------------------------------------------ */
+
+/* nr of (saa7134-)pages for the given buffer size */
+static int saa7134_buffer_pages(int size)
+{
+ size = PAGE_ALIGN(size);
+ size += PAGE_SIZE; /* for non-page-aligned buffers */
+ size /= 4096;
+ return size;
+}
+
+/* calc max # of buffers from size (must not exceed the 4MB virtual
+ * address space per DMA channel) */
+int saa7134_buffer_count(unsigned int size, unsigned int count)
+{
+ unsigned int maxcount;
+
+ maxcount = 1024 / saa7134_buffer_pages(size);
+ if (count > maxcount)
+ count = maxcount;
+ return count;
+}
+
+int saa7134_buffer_startpage(struct saa7134_buf *buf)
+{
+ return saa7134_buffer_pages(vb2_plane_size(&buf->vb2.vb2_buf, 0))
+ * buf->vb2.vb2_buf.index;
+}
+
+unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
+{
+ unsigned long base;
+ struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2.vb2_buf, 0);
+
+ base = saa7134_buffer_startpage(buf) * 4096;
+ base += dma->sgl[0].offset;
+ return base;
+}
+
+/* ------------------------------------------------------------------ */
+
+int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
+{
+ __le32 *cpu;
+ dma_addr_t dma_addr = 0;
+
+ cpu = dma_alloc_coherent(&pci->dev, SAA7134_PGTABLE_SIZE, &dma_addr,
+ GFP_KERNEL);
+ if (NULL == cpu)
+ return -ENOMEM;
+ pt->size = SAA7134_PGTABLE_SIZE;
+ pt->cpu = cpu;
+ pt->dma = dma_addr;
+ return 0;
+}
+
+int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
+ struct scatterlist *list, unsigned int length,
+ unsigned int startpage)
+{
+ __le32 *ptr;
+ unsigned int i, p;
+
+ BUG_ON(NULL == pt || NULL == pt->cpu);
+
+ ptr = pt->cpu + startpage;
+ for (i = 0; i < length; i++, list = sg_next(list)) {
+ for (p = 0; p * 4096 < sg_dma_len(list); p++, ptr++)
+ *ptr = cpu_to_le32(sg_dma_address(list) +
+ list->offset + p * 4096);
+ }
+ return 0;
+}
+
+void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
+{
+ if (NULL == pt->cpu)
+ return;
+ dma_free_coherent(&pci->dev, pt->size, pt->cpu, pt->dma);
+ pt->cpu = NULL;
+}
+
+/* ------------------------------------------------------------------ */
+
+int saa7134_buffer_queue(struct saa7134_dev *dev,
+ struct saa7134_dmaqueue *q,
+ struct saa7134_buf *buf)
+{
+ struct saa7134_buf *next = NULL;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->slock, flags);
+ core_dbg("buffer_queue %p\n", buf);
+ if (NULL == q->curr) {
+ if (!q->need_two) {
+ q->curr = buf;
+ buf->activate(dev, buf, NULL);
+ } else if (list_empty(&q->queue)) {
+ list_add_tail(&buf->entry, &q->queue);
+ } else {
+ next = list_entry(q->queue.next, struct saa7134_buf,
+ entry);
+ q->curr = buf;
+ buf->activate(dev, buf, next);
+ }
+ } else {
+ list_add_tail(&buf->entry, &q->queue);
+ }
+ spin_unlock_irqrestore(&dev->slock, flags);
+ return 0;
+}
+
+void saa7134_buffer_finish(struct saa7134_dev *dev,
+ struct saa7134_dmaqueue *q,
+ unsigned int state)
+{
+ core_dbg("buffer_finish %p\n", q->curr);
+
+ /* finish current buffer */
+ q->curr->vb2.vb2_buf.timestamp = ktime_get_ns();
+ q->curr->vb2.sequence = q->seq_nr++;
+ vb2_buffer_done(&q->curr->vb2.vb2_buf, state);
+ q->curr = NULL;
+}
+
+void saa7134_buffer_next(struct saa7134_dev *dev,
+ struct saa7134_dmaqueue *q)
+{
+ struct saa7134_buf *buf,*next = NULL;
+
+ assert_spin_locked(&dev->slock);
+ BUG_ON(NULL != q->curr);
+
+ if (!list_empty(&q->queue)) {
+ /* activate next one from queue */
+ buf = list_entry(q->queue.next, struct saa7134_buf, entry);
+ core_dbg("buffer_next %p [prev=%p/next=%p]\n",
+ buf, q->queue.prev, q->queue.next);
+ list_del(&buf->entry);
+ if (!list_empty(&q->queue))
+ next = list_entry(q->queue.next, struct saa7134_buf, entry);
+ q->curr = buf;
+ buf->activate(dev, buf, next);
+ core_dbg("buffer_next #2 prev=%p/next=%p\n",
+ q->queue.prev, q->queue.next);
+ } else {
+ /* nothing to do -- just stop DMA */
+ core_dbg("buffer_next %p\n", NULL);
+ saa7134_set_dmabits(dev);
+ del_timer(&q->timeout);
+ }
+}
+
+void saa7134_buffer_timeout(struct timer_list *t)
+{
+ struct saa7134_dmaqueue *q = from_timer(q, t, timeout);
+ struct saa7134_dev *dev = q->dev;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->slock, flags);
+
+ /* try to reset the hardware (SWRST) */
+ saa_writeb(SAA7134_REGION_ENABLE, 0x00);
+ saa_writeb(SAA7134_REGION_ENABLE, 0x80);
+ saa_writeb(SAA7134_REGION_ENABLE, 0x00);
+
+ /* flag current buffer as failed,
+ try to start over with the next one. */
+ if (q->curr) {
+ core_dbg("timeout on %p\n", q->curr);
+ saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR);
+ }
+ saa7134_buffer_next(dev, q);
+ spin_unlock_irqrestore(&dev->slock, flags);
+}
+
+void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q)
+{
+ unsigned long flags;
+ struct list_head *pos, *n;
+ struct saa7134_buf *tmp;
+
+ spin_lock_irqsave(&dev->slock, flags);
+ list_for_each_safe(pos, n, &q->queue) {
+ tmp = list_entry(pos, struct saa7134_buf, entry);
+ vb2_buffer_done(&tmp->vb2.vb2_buf,
+ VB2_BUF_STATE_ERROR);
+ list_del(pos);
+ tmp = NULL;
+ }
+ spin_unlock_irqrestore(&dev->slock, flags);
+ saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */
+}
+EXPORT_SYMBOL_GPL(saa7134_stop_streaming);
+
+/* ------------------------------------------------------------------ */
+
+int saa7134_set_dmabits(struct saa7134_dev *dev)
+{
+ u32 split, task=0, ctrl=0, irq=0;
+ enum v4l2_field cap = V4L2_FIELD_ANY;
+ enum v4l2_field ov = V4L2_FIELD_ANY;
+
+ assert_spin_locked(&dev->slock);
+
+ if (dev->insuspend)
+ return 0;
+
+ /* video capture -- dma 0 + video task A */
+ if (dev->video_q.curr) {
+ task |= 0x01;
+ ctrl |= SAA7134_MAIN_CTRL_TE0;
+ irq |= SAA7134_IRQ1_INTE_RA0_1 |
+ SAA7134_IRQ1_INTE_RA0_0;
+ cap = dev->field;
+ }
+
+ /* video capture -- dma 1+2 (planar modes) */
+ if (dev->video_q.curr && dev->fmt->planar) {
+ ctrl |= SAA7134_MAIN_CTRL_TE4 |
+ SAA7134_MAIN_CTRL_TE5;
+ }
+
+ /* screen overlay -- dma 0 + video task B */
+ if (dev->ovenable) {
+ task |= 0x10;
+ ctrl |= SAA7134_MAIN_CTRL_TE1;
+ ov = dev->ovfield;
+ }
+
+ /* vbi capture -- dma 0 + vbi task A+B */
+ if (dev->vbi_q.curr) {
+ task |= 0x22;
+ ctrl |= SAA7134_MAIN_CTRL_TE2 |
+ SAA7134_MAIN_CTRL_TE3;
+ irq |= SAA7134_IRQ1_INTE_RA0_7 |
+ SAA7134_IRQ1_INTE_RA0_6 |
+ SAA7134_IRQ1_INTE_RA0_5 |
+ SAA7134_IRQ1_INTE_RA0_4;
+ }
+
+ /* audio capture -- dma 3 */
+ if (dev->dmasound.dma_running) {
+ ctrl |= SAA7134_MAIN_CTRL_TE6;
+ irq |= SAA7134_IRQ1_INTE_RA3_1 |
+ SAA7134_IRQ1_INTE_RA3_0;
+ }
+
+ /* TS capture -- dma 5 */
+ if (dev->ts_q.curr) {
+ ctrl |= SAA7134_MAIN_CTRL_TE5;
+ irq |= SAA7134_IRQ1_INTE_RA2_1 |
+ SAA7134_IRQ1_INTE_RA2_0;
+ }
+
+ /* set task conditions + field handling */
+ if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
+ /* default config -- use full frames */
+ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
+ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
+ saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
+ saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
+ split = 0;
+ } else {
+ /* split fields between tasks */
+ if (V4L2_FIELD_TOP == cap) {
+ /* odd A, even B, repeat */
+ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
+ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
+ } else {
+ /* odd B, even A, repeat */
+ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
+ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
+ }
+ saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
+ saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
+ split = 1;
+ }
+
+ /* irqs */
+ saa_writeb(SAA7134_REGION_ENABLE, task);
+ saa_writel(SAA7134_IRQ1, irq);
+ saa_andorl(SAA7134_MAIN_CTRL,
+ SAA7134_MAIN_CTRL_TE0 |
+ SAA7134_MAIN_CTRL_TE1 |
+ SAA7134_MAIN_CTRL_TE2 |
+ SAA7134_MAIN_CTRL_TE3 |
+ SAA7134_MAIN_CTRL_TE4 |
+ SAA7134_MAIN_CTRL_TE5 |
+ SAA7134_MAIN_CTRL_TE6,
+ ctrl);
+ core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
+ task, ctrl, irq, split ? "no" : "yes");
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+/* IRQ handler + helpers */
+
+static char *irqbits[] = {
+ "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
+ "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
+ "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
+ "GPIO16", "GPIO18", "GPIO22", "GPIO23"
+};
+#define IRQBITS ARRAY_SIZE(irqbits)
+
+static void print_irqstatus(struct saa7134_dev *dev, int loop,
+ unsigned long report, unsigned long status)
+{
+ unsigned int i;
+
+ irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx",
+ loop, jiffies, report, status);
+ for (i = 0; i < IRQBITS; i++) {
+ if (!(report & (1 << i)))
+ continue;
+ pr_cont(" %s", irqbits[i]);
+ }
+ if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
+ pr_cont(" | RA0=%s,%s,%s,%ld",
+ (status & 0x40) ? "vbi" : "video",
+ (status & 0x20) ? "b" : "a",
+ (status & 0x10) ? "odd" : "even",
+ (status & 0x0f));
+ }
+ pr_cont("\n");
+}
+
+static irqreturn_t saa7134_irq(int irq, void *dev_id)
+{
+ struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
+ unsigned long report,status;
+ int loop, handled = 0;
+
+ if (dev->insuspend)
+ goto out;
+
+ for (loop = 0; loop < 10; loop++) {
+ report = saa_readl(SAA7134_IRQ_REPORT);
+ status = saa_readl(SAA7134_IRQ_STATUS);
+
+ /* If dmasound support is active and we get a sound report,
+ * mask out the report and let the saa7134-alsa module deal
+ * with it */
+ if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
+ (dev->dmasound.priv_data != NULL) )
+ {
+ irq_dbg(2, "preserving DMA sound interrupt\n");
+ report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
+ }
+
+ if (0 == report) {
+ irq_dbg(2, "no (more) work\n");
+ goto out;
+ }
+
+ handled = 1;
+ saa_writel(SAA7134_IRQ_REPORT,report);
+ if (irq_debug)
+ print_irqstatus(dev,loop,report,status);
+
+
+ if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
+ (report & SAA7134_IRQ_REPORT_INTL))
+ saa7134_irq_video_signalchange(dev);
+
+
+ if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
+ (status & 0x60) == 0)
+ saa7134_irq_video_done(dev,status);
+
+ if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
+ (status & 0x40) == 0x40)
+ saa7134_irq_vbi_done(dev,status);
+
+ if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
+ card_has_mpeg(dev)) {
+ if (dev->mops->irq_ts_done != NULL)
+ dev->mops->irq_ts_done(dev, status);
+ else
+ saa7134_irq_ts_done(dev, status);
+ }
+
+ if (report & SAA7134_IRQ_REPORT_GPIO16) {
+ switch (dev->has_remote) {
+ case SAA7134_REMOTE_GPIO:
+ if (!dev->remote)
+ break;
+ if (dev->remote->mask_keydown & 0x10000) {
+ saa7134_input_irq(dev);
+ }
+ break;
+
+ case SAA7134_REMOTE_I2C:
+ break; /* FIXME: invoke I2C get_key() */
+
+ default: /* GPIO16 not used by IR remote */
+ break;
+ }
+ }
+
+ if (report & SAA7134_IRQ_REPORT_GPIO18) {
+ switch (dev->has_remote) {
+ case SAA7134_REMOTE_GPIO:
+ if (!dev->remote)
+ break;
+ if ((dev->remote->mask_keydown & 0x40000) ||
+ (dev->remote->mask_keyup & 0x40000)) {
+ saa7134_input_irq(dev);
+ }
+ break;
+
+ case SAA7134_REMOTE_I2C:
+ break; /* FIXME: invoke I2C get_key() */
+
+ default: /* GPIO18 not used by IR remote */
+ break;
+ }
+ }
+ }
+
+ if (10 == loop) {
+ print_irqstatus(dev,loop,report,status);
+ if (report & SAA7134_IRQ_REPORT_PE) {
+ /* disable all parity error */
+ pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n",
+ dev->name);
+ saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
+ } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
+ /* disable gpio16 IRQ */
+ pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n",
+ dev->name);
+ saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
+ saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
+ } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
+ /* disable gpio18 IRQs */
+ pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n",
+ dev->name);
+ saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
+ saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
+ } else {
+ /* disable all irqs */
+ pr_warn("%s/irq: looping -- clearing all enable bits\n",
+ dev->name);
+ saa_writel(SAA7134_IRQ1,0);
+ saa_writel(SAA7134_IRQ2,0);
+ }
+ }
+
+ out:
+ return IRQ_RETVAL(handled);
+}
+
+/* ------------------------------------------------------------------ */
+
+/* early init (no i2c, no irq) */
+
+static int saa7134_hw_enable1(struct saa7134_dev *dev)
+{
+ /* RAM FIFO config */
+ saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
+ saa_writel(SAA7134_THRESHOULD, 0x02020202);
+
+ /* enable audio + video processing */
+ saa_writel(SAA7134_MAIN_CTRL,
+ SAA7134_MAIN_CTRL_VPLLE |
+ SAA7134_MAIN_CTRL_APLLE |
+ SAA7134_MAIN_CTRL_EXOSC |
+ SAA7134_MAIN_CTRL_EVFE1 |
+ SAA7134_MAIN_CTRL_EVFE2 |
+ SAA7134_MAIN_CTRL_ESFE |
+ SAA7134_MAIN_CTRL_EBDAC);
+
+ /*
+ * Initialize OSS _after_ enabling audio clock PLL and audio processing.
+ * OSS initialization writes to registers via the audio DSP; these
+ * writes will fail unless the audio clock has been started. At worst,
+ * audio will not work.
+ */
+
+ /* enable peripheral devices */
+ saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
+
+ /* set vertical line numbering start (vbi needs this) */
+ saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
+
+ return 0;
+}
+
+static int saa7134_hwinit1(struct saa7134_dev *dev)
+{
+ core_dbg("hwinit1\n");
+
+ saa_writel(SAA7134_IRQ1, 0);
+ saa_writel(SAA7134_IRQ2, 0);
+
+ /* Clear any stale IRQ reports */
+ saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
+
+ mutex_init(&dev->lock);
+ spin_lock_init(&dev->slock);
+
+ saa7134_track_gpio(dev,"pre-init");
+ saa7134_video_init1(dev);
+ saa7134_vbi_init1(dev);
+ if (card_has_mpeg(dev))
+ saa7134_ts_init1(dev);
+ saa7134_input_init1(dev);
+
+ saa7134_hw_enable1(dev);
+
+ return 0;
+}
+
+/* late init (with i2c + irq) */
+static int saa7134_hw_enable2(struct saa7134_dev *dev)
+{
+
+ unsigned int irq2_mask;
+
+ /* enable IRQ's */
+ irq2_mask =
+ SAA7134_IRQ2_INTE_DEC3 |
+ SAA7134_IRQ2_INTE_DEC2 |
+ SAA7134_IRQ2_INTE_DEC1 |
+ SAA7134_IRQ2_INTE_DEC0 |
+ SAA7134_IRQ2_INTE_PE |
+ SAA7134_IRQ2_INTE_AR;
+
+ if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
+ if (dev->remote->mask_keydown & 0x10000)
+ irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
+ else { /* Allow enabling both IRQ edge triggers */
+ if (dev->remote->mask_keydown & 0x40000)
+ irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
+ if (dev->remote->mask_keyup & 0x40000)
+ irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
+ }
+ }
+
+ if (dev->has_remote == SAA7134_REMOTE_I2C) {
+ request_module("ir-kbd-i2c");
+ }
+
+ saa_writel(SAA7134_IRQ1, 0);
+ saa_writel(SAA7134_IRQ2, irq2_mask);
+
+ return 0;
+}
+
+static int saa7134_hwinit2(struct saa7134_dev *dev)
+{
+
+ core_dbg("hwinit2\n");
+
+ saa7134_video_init2(dev);
+ saa7134_tvaudio_init2(dev);
+
+ saa7134_hw_enable2(dev);
+
+ return 0;
+}
+
+
+/* shutdown */
+static int saa7134_hwfini(struct saa7134_dev *dev)
+{
+ core_dbg("hwfini\n");
+
+ if (card_has_mpeg(dev))
+ saa7134_ts_fini(dev);
+ saa7134_input_fini(dev);
+ saa7134_vbi_fini(dev);
+ saa7134_tvaudio_fini(dev);
+ saa7134_video_fini(dev);
+ return 0;
+}
+
+static void must_configure_manually(int has_eeprom)
+{
+ unsigned int i,p;
+
+ if (!has_eeprom)
+ pr_warn("saa7134: <rant>\n"
+ "saa7134: Congratulations! Your TV card vendor saved a few\n"
+ "saa7134: cents for a eeprom, thus your pci board has no\n"
+ "saa7134: subsystem ID and I can't identify it automatically\n"
+ "saa7134: </rant>\n"
+ "saa7134: I feel better now. Ok, here are the good news:\n"
+ "saa7134: You can use the card=<nr> insmod option to specify\n"
+ "saa7134: which board do you have. The list:\n");
+ else
+ pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
+ "saa7134: insmod option to specify which board do you have, but this is\n"
+ "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
+ "saa7134: for support at linux-media@vger.kernel.org.\n"
+ "saa7134: The supported cards are:\n");
+
+ for (i = 0; i < saa7134_bcount; i++) {
+ pr_warn("saa7134: card=%d -> %-40.40s",
+ i,saa7134_boards[i].name);
+ for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
+ if (saa7134_pci_tbl[p].driver_data != i)
+ continue;
+ pr_cont(" %04x:%04x",
+ saa7134_pci_tbl[p].subvendor,
+ saa7134_pci_tbl[p].subdevice);
+ }
+ pr_cont("\n");
+ }
+}
+
+static void saa7134_unregister_media_device(struct saa7134_dev *dev)
+{
+
+#ifdef CONFIG_MEDIA_CONTROLLER
+ if (!dev->media_dev)
+ return;
+ media_device_unregister(dev->media_dev);
+ media_device_cleanup(dev->media_dev);
+ kfree(dev->media_dev);
+ dev->media_dev = NULL;
+#endif
+}
+
+static void saa7134_media_release(struct saa7134_dev *dev)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER
+ int i;
+
+ for (i = 0; i < SAA7134_INPUT_MAX + 1; i++)
+ media_device_unregister_entity(&dev->input_ent[i]);
+#endif
+}
+
+#if defined(CONFIG_MEDIA_CONTROLLER)
+static void saa7134_create_entities(struct saa7134_dev *dev)
+{
+ int ret, i;
+ struct media_entity *entity;
+ struct media_entity *decoder = NULL;
+
+ /* Check if it is using an external analog TV demod */
+ media_device_for_each_entity(entity, dev->media_dev) {
+ if (entity->function == MEDIA_ENT_F_ATV_DECODER) {
+ decoder = entity;
+ break;
+ }
+ }
+
+ /*
+ * saa713x is not using an external ATV demod.
+ * Register the internal one
+ */
+ if (!decoder) {
+ dev->demod.name = "saa713x";
+ dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
+ dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
+ dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
+ dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
+ dev->demod.function = MEDIA_ENT_F_ATV_DECODER;
+
+ ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS,
+ dev->demod_pad);
+ if (ret < 0)
+ pr_err("failed to initialize demod pad!\n");
+
+ ret = media_device_register_entity(dev->media_dev, &dev->demod);
+ if (ret < 0)
+ pr_err("failed to register demod entity!\n");
+
+ dev->decoder = &dev->demod;
+ } else {
+ dev->decoder = decoder;
+ }
+
+ /* Initialize Video, VBI and Radio pads */
+ dev->video_pad.flags = MEDIA_PAD_FL_SINK;
+ ret = media_entity_pads_init(&dev->video_dev->entity, 1,
+ &dev->video_pad);
+ if (ret < 0)
+ pr_err("failed to initialize video media entity!\n");
+
+ dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
+ ret = media_entity_pads_init(&dev->vbi_dev->entity, 1,
+ &dev->vbi_pad);
+ if (ret < 0)
+ pr_err("failed to initialize vbi media entity!\n");
+
+ /* Create entities for each input connector */
+ for (i = 0; i < SAA7134_INPUT_MAX; i++) {
+ struct media_entity *ent = &dev->input_ent[i];
+ struct saa7134_input *in = &card_in(dev, i);
+
+ if (in->type == SAA7134_NO_INPUT)
+ break;
+
+ /* This input uses the S-Video connector */
+ if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO)
+ continue;
+
+ ent->name = saa7134_input_name[in->type];
+ ent->flags = MEDIA_ENT_FL_CONNECTOR;
+ dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
+
+ switch (in->type) {
+ case SAA7134_INPUT_COMPOSITE:
+ case SAA7134_INPUT_COMPOSITE0:
+ case SAA7134_INPUT_COMPOSITE1:
+ case SAA7134_INPUT_COMPOSITE2:
+ case SAA7134_INPUT_COMPOSITE3:
+ case SAA7134_INPUT_COMPOSITE4:
+ ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
+ break;
+ case SAA7134_INPUT_SVIDEO:
+ case SAA7134_INPUT_SVIDEO0:
+ case SAA7134_INPUT_SVIDEO1:
+ ent->function = MEDIA_ENT_F_CONN_SVIDEO;
+ break;
+ default:
+ /*
+ * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO.
+ *
+ * Please notice that neither SAA7134_INPUT_MUTE or
+ * SAA7134_INPUT_RADIO are defined at
+ * saa7134_board.input.
+ */
+ ent->function = MEDIA_ENT_F_CONN_RF;
+ break;
+ }
+
+ ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
+ if (ret < 0)
+ pr_err("failed to initialize input pad[%d]!\n", i);
+
+ ret = media_device_register_entity(dev->media_dev, ent);
+ if (ret < 0)
+ pr_err("failed to register input entity %d!\n", i);
+ }
+
+ /* Create input for Radio RF connector */
+ if (card_has_radio(dev)) {
+ struct saa7134_input *in = &saa7134_boards[dev->board].radio;
+ struct media_entity *ent = &dev->input_ent[i];
+
+ ent->name = saa7134_input_name[in->type];
+ ent->flags = MEDIA_ENT_FL_CONNECTOR;
+ dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
+ ent->function = MEDIA_ENT_F_CONN_RF;
+
+ ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
+ if (ret < 0)
+ pr_err("failed to initialize input pad[%d]!\n", i);
+
+ ret = media_device_register_entity(dev->media_dev, ent);
+ if (ret < 0)
+ pr_err("failed to register input entity %d!\n", i);
+ }
+}
+#endif
+
+static struct video_device *vdev_init(struct saa7134_dev *dev,
+ struct video_device *template,
+ char *type)
+{
+ struct video_device *vfd;
+
+ vfd = video_device_alloc();
+ if (NULL == vfd)
+ return NULL;
+ *vfd = *template;
+ vfd->v4l2_dev = &dev->v4l2_dev;
+ vfd->release = video_device_release;
+ snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
+ dev->name, type, saa7134_boards[dev->board].name);
+ video_set_drvdata(vfd, dev);
+ return vfd;
+}
+
+static void saa7134_unregister_video(struct saa7134_dev *dev)
+{
+ saa7134_media_release(dev);
+
+ if (dev->video_dev) {
+ if (video_is_registered(dev->video_dev))
+ vb2_video_unregister_device(dev->video_dev);
+ else
+ video_device_release(dev->video_dev);
+ dev->video_dev = NULL;
+ }
+ if (dev->vbi_dev) {
+ if (video_is_registered(dev->vbi_dev))
+ vb2_video_unregister_device(dev->vbi_dev);
+ else
+ video_device_release(dev->vbi_dev);
+ dev->vbi_dev = NULL;
+ }
+ if (dev->radio_dev) {
+ if (video_is_registered(dev->radio_dev))
+ video_unregister_device(dev->radio_dev);
+ else
+ video_device_release(dev->radio_dev);
+ dev->radio_dev = NULL;
+ }
+}
+
+static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
+ struct saa7134_dev *dev)
+{
+ int err;
+
+ if (NULL != dev->mops)
+ return;
+ if (saa7134_boards[dev->board].mpeg != ops->type)
+ return;
+ err = ops->init(dev);
+ if (0 != err)
+ return;
+ dev->mops = ops;
+}
+
+static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
+ struct saa7134_dev *dev)
+{
+ if (NULL == dev->mops)
+ return;
+ if (dev->mops != ops)
+ return;
+ dev->mops->fini(dev);
+ dev->mops = NULL;
+}
+
+static int saa7134_initdev(struct pci_dev *pci_dev,
+ const struct pci_device_id *pci_id)
+{
+ struct saa7134_dev *dev;
+ struct saa7134_mpeg_ops *mops;
+ int err;
+
+ if (saa7134_devcount == SAA7134_MAXBOARDS)
+ return -ENOMEM;
+
+ dev = kzalloc(sizeof(*dev),GFP_KERNEL);
+ if (NULL == dev)
+ return -ENOMEM;
+
+ dev->nr = saa7134_devcount;
+ sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr);
+
+#ifdef CONFIG_MEDIA_CONTROLLER
+ dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL);
+ if (!dev->media_dev) {
+ err = -ENOMEM;
+ goto err_free_dev;
+ }
+ media_device_pci_init(dev->media_dev, pci_dev, dev->name);
+ dev->v4l2_dev.mdev = dev->media_dev;
+#endif
+
+ err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
+ if (err)
+ goto err_free_dev;
+
+ /* pci init */
+ dev->pci = pci_dev;
+ if (pci_enable_device(pci_dev)) {
+ err = -EIO;
+ goto err_v4l2_unregister;
+ }
+
+ /* pci quirks */
+ if (pci_pci_problems) {
+ if (pci_pci_problems & PCIPCI_TRITON)
+ pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name);
+ if (pci_pci_problems & PCIPCI_NATOMA)
+ pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name);
+ if (pci_pci_problems & PCIPCI_VIAETBF)
+ pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name);
+ if (pci_pci_problems & PCIPCI_VSFX)
+ pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name);
+#ifdef PCIPCI_ALIMAGIK
+ if (pci_pci_problems & PCIPCI_ALIMAGIK) {
+ pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
+ dev->name);
+ latency = 0x0A;
+ }
+#endif
+ if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
+ pr_info("%s: quirk: this driver and your chipset may not work together in overlay mode.\n",
+ dev->name);
+ if (!saa7134_no_overlay) {
+ pr_info("%s: quirk: overlay mode will be disabled.\n",
+ dev->name);
+ saa7134_no_overlay = 1;
+ } else {
+ pr_info("%s: quirk: overlay mode will be forced. Use this option at your own risk.\n",
+ dev->name);
+ }
+ }
+ }
+ if (UNSET != latency) {
+ pr_info("%s: setting pci latency timer to %d\n",
+ dev->name,latency);
+ pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
+ }
+
+ /* print pci info */
+ dev->pci_rev = pci_dev->revision;
+ pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
+ pr_info("%s: 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);
+ err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
+ if (err) {
+ pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
+ goto err_v4l2_unregister;
+ }
+
+ /* board config */
+ dev->board = pci_id->driver_data;
+ if ((unsigned)card[dev->nr] < saa7134_bcount)
+ dev->board = card[dev->nr];
+ if (SAA7134_BOARD_UNKNOWN == dev->board)
+ must_configure_manually(0);
+ else if (SAA7134_BOARD_NOAUTO == dev->board) {
+ must_configure_manually(1);
+ dev->board = SAA7134_BOARD_UNKNOWN;
+ }
+ dev->autodetected = card[dev->nr] != dev->board;
+ dev->tuner_type = saa7134_boards[dev->board].tuner_type;
+ dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
+ dev->radio_type = saa7134_boards[dev->board].radio_type;
+ dev->radio_addr = saa7134_boards[dev->board].radio_addr;
+ dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
+ if (UNSET != tuner[dev->nr])
+ dev->tuner_type = tuner[dev->nr];
+ pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
+ dev->name,pci_dev->subsystem_vendor,
+ pci_dev->subsystem_device,saa7134_boards[dev->board].name,
+ dev->board, dev->autodetected ?
+ "autodetected" : "insmod option");
+
+ /* get mmio */
+ if (!request_mem_region(pci_resource_start(pci_dev,0),
+ pci_resource_len(pci_dev,0),
+ dev->name)) {
+ err = -EBUSY;
+ pr_err("%s: can't get MMIO memory @ 0x%llx\n",
+ dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
+ goto err_v4l2_unregister;
+ }
+ dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
+ pci_resource_len(pci_dev, 0));
+ dev->bmmio = (__u8 __iomem *)dev->lmmio;
+ if (NULL == dev->lmmio) {
+ err = -EIO;
+ pr_err("%s: can't ioremap() MMIO memory\n",
+ dev->name);
+ goto err_release_mem_reg;
+ }
+
+ /* initialize hardware #1 */
+ saa7134_board_init1(dev);
+ saa7134_hwinit1(dev);
+
+ /* get irq */
+ err = request_irq(pci_dev->irq, saa7134_irq,
+ IRQF_SHARED, dev->name, dev);
+ if (err < 0) {
+ pr_err("%s: can't get IRQ %d\n",
+ dev->name,pci_dev->irq);
+ goto err_iounmap;
+ }
+
+ /* wait a bit, register i2c bus */
+ msleep(100);
+ saa7134_i2c_register(dev);
+ saa7134_board_init2(dev);
+
+ saa7134_hwinit2(dev);
+
+ /* load i2c helpers */
+ if (card_is_empress(dev)) {
+ dev->empress_sd =
+ v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
+ "saa6752hs",
+ saa7134_boards[dev->board].empress_addr, NULL);
+
+ if (dev->empress_sd)
+ dev->empress_sd->grp_id = GRP_EMPRESS;
+ }
+
+ if (saa7134_boards[dev->board].rds_addr) {
+ struct v4l2_subdev *sd;
+
+ sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
+ &dev->i2c_adap, "saa6588",
+ 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
+ if (sd) {
+ pr_info("%s: found RDS decoder\n", dev->name);
+ dev->has_rds = 1;
+ }
+ }
+
+ mutex_lock(&saa7134_devlist_lock);
+ list_for_each_entry(mops, &mops_list, next)
+ mpeg_ops_attach(mops, dev);
+ list_add_tail(&dev->devlist, &saa7134_devlist);
+ mutex_unlock(&saa7134_devlist_lock);
+
+ /* check for signal */
+ saa7134_irq_video_signalchange(dev);
+
+ if (TUNER_ABSENT != dev->tuner_type)
+ saa_call_all(dev, core, s_power, 0);
+
+ /* register v4l devices */
+ if (saa7134_no_overlay > 0)
+ pr_info("%s: Overlay support disabled.\n", dev->name);
+
+ dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
+ dev->video_dev->ctrl_handler = &dev->ctrl_handler;
+ dev->video_dev->lock = &dev->lock;
+ dev->video_dev->queue = &dev->video_vbq;
+ dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
+ V4L2_CAP_VIDEO_CAPTURE;
+ if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
+ dev->video_dev->device_caps |= V4L2_CAP_TUNER;
+
+ if (saa7134_no_overlay <= 0)
+ dev->video_dev->device_caps |= V4L2_CAP_VIDEO_OVERLAY;
+
+ err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO,
+ video_nr[dev->nr]);
+ if (err < 0) {
+ pr_info("%s: can't register video device\n",
+ dev->name);
+ goto err_unregister_video;
+ }
+ pr_info("%s: registered device %s [v4l2]\n",
+ dev->name, video_device_node_name(dev->video_dev));
+
+ dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
+ dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
+ dev->vbi_dev->lock = &dev->lock;
+ dev->vbi_dev->queue = &dev->vbi_vbq;
+ dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
+ V4L2_CAP_VBI_CAPTURE;
+ if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
+ dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
+
+ err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
+ vbi_nr[dev->nr]);
+ if (err < 0)
+ goto err_unregister_video;
+ pr_info("%s: registered device %s\n",
+ dev->name, video_device_node_name(dev->vbi_dev));
+
+ if (card_has_radio(dev)) {
+ dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
+ dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
+ dev->radio_dev->lock = &dev->lock;
+ dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
+ if (dev->has_rds)
+ dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE;
+ err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
+ radio_nr[dev->nr]);
+ if (err < 0)
+ goto err_unregister_video;
+ pr_info("%s: registered device %s\n",
+ dev->name, video_device_node_name(dev->radio_dev));
+ }
+
+#ifdef CONFIG_MEDIA_CONTROLLER
+ saa7134_create_entities(dev);
+
+ err = v4l2_mc_create_media_graph(dev->media_dev);
+ if (err) {
+ pr_err("failed to create media graph\n");
+ goto err_unregister_video;
+ }
+#endif
+ /* everything worked */
+ saa7134_devcount++;
+
+ if (saa7134_dmasound_init && !dev->dmasound.priv_data)
+ saa7134_dmasound_init(dev);
+
+ request_submodules(dev);
+
+ /*
+ * Do it at the end, to reduce dynamic configuration changes during
+ * the device init. Yet, as request_modules() can be async, the
+ * topology will likely change after load the saa7134 subdrivers.
+ */
+#ifdef CONFIG_MEDIA_CONTROLLER
+ err = media_device_register(dev->media_dev);
+ if (err) {
+ media_device_cleanup(dev->media_dev);
+ goto err_unregister_video;
+ }
+#endif
+
+ return 0;
+
+err_unregister_video:
+ saa7134_unregister_video(dev);
+ list_del(&dev->devlist);
+ saa7134_i2c_unregister(dev);
+ free_irq(pci_dev->irq, dev);
+err_iounmap:
+ saa7134_hwfini(dev);
+ iounmap(dev->lmmio);
+err_release_mem_reg:
+ release_mem_region(pci_resource_start(pci_dev,0),
+ pci_resource_len(pci_dev,0));
+err_v4l2_unregister:
+ v4l2_device_unregister(&dev->v4l2_dev);
+err_free_dev:
+#ifdef CONFIG_MEDIA_CONTROLLER
+ kfree(dev->media_dev);
+#endif
+ kfree(dev);
+ return err;
+}
+
+static void saa7134_finidev(struct pci_dev *pci_dev)
+{
+ struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+ struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
+ struct saa7134_mpeg_ops *mops;
+
+ flush_request_submodules(dev);
+
+ /* Release DMA sound modules if present */
+ if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
+ saa7134_dmasound_exit(dev);
+ }
+
+ /* debugging ... */
+ if (irq_debug) {
+ u32 report = saa_readl(SAA7134_IRQ_REPORT);
+ u32 status = saa_readl(SAA7134_IRQ_STATUS);
+ print_irqstatus(dev,42,report,status);
+ }
+
+ /* disable peripheral devices */
+ saa_writeb(SAA7134_SPECIAL_MODE,0);
+
+ /* shutdown hardware */
+ saa_writel(SAA7134_IRQ1,0);
+ saa_writel(SAA7134_IRQ2,0);
+ saa_writel(SAA7134_MAIN_CTRL,0);
+
+ /* shutdown subsystems */
+ saa7134_hwfini(dev);
+
+ /* unregister */
+ mutex_lock(&saa7134_devlist_lock);
+ list_del(&dev->devlist);
+ list_for_each_entry(mops, &mops_list, next)
+ mpeg_ops_detach(mops, dev);
+ mutex_unlock(&saa7134_devlist_lock);
+ saa7134_devcount--;
+
+ saa7134_i2c_unregister(dev);
+ saa7134_unregister_video(dev);
+
+
+ /* the DMA sound modules should be unloaded before reaching
+ this, but just in case they are still present... */
+ if (dev->dmasound.priv_data != NULL) {
+ free_irq(pci_dev->irq, &dev->dmasound);
+ dev->dmasound.priv_data = NULL;
+ }
+
+
+ /* release resources */
+ free_irq(pci_dev->irq, dev);
+ iounmap(dev->lmmio);
+ release_mem_region(pci_resource_start(pci_dev,0),
+ pci_resource_len(pci_dev,0));
+
+ v4l2_device_unregister(&dev->v4l2_dev);
+
+ saa7134_unregister_media_device(dev);
+
+ /* free memory */
+ kfree(dev);
+}
+
+/* resends a current buffer in queue after resume */
+static int __maybe_unused saa7134_buffer_requeue(struct saa7134_dev *dev,
+ struct saa7134_dmaqueue *q)
+{
+ struct saa7134_buf *buf, *next;
+
+ assert_spin_locked(&dev->slock);
+
+ buf = q->curr;
+ next = buf;
+ core_dbg("buffer_requeue\n");
+
+ if (!buf)
+ return 0;
+
+ core_dbg("buffer_requeue : resending active buffer\n");
+
+ if (!list_empty(&q->queue))
+ next = list_entry(q->queue.next, struct saa7134_buf,
+ entry);
+ buf->activate(dev, buf, next);
+
+ return 0;
+}
+
+static int __maybe_unused saa7134_suspend(struct device *dev_d)
+{
+ struct pci_dev *pci_dev = to_pci_dev(dev_d);
+ struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+ struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
+
+ /* disable overlay - apps should enable it explicitly on resume*/
+ dev->ovenable = 0;
+
+ /* Disable interrupts, DMA, and rest of the chip*/
+ saa_writel(SAA7134_IRQ1, 0);
+ saa_writel(SAA7134_IRQ2, 0);
+ saa_writel(SAA7134_MAIN_CTRL, 0);
+
+ dev->insuspend = 1;
+ synchronize_irq(pci_dev->irq);
+
+ /* ACK interrupts once more, just in case,
+ since the IRQ handler won't ack them anymore*/
+
+ saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
+
+ /* Disable timeout timers - if we have active buffers, we will
+ fill them on resume*/
+
+ del_timer(&dev->video_q.timeout);
+ del_timer(&dev->vbi_q.timeout);
+ del_timer(&dev->ts_q.timeout);
+
+ if (dev->remote && dev->remote->dev->users)
+ saa7134_ir_close(dev->remote->dev);
+
+ return 0;
+}
+
+static int __maybe_unused saa7134_resume(struct device *dev_d)
+{
+ struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d);
+ struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
+ unsigned long flags;
+
+ /* Do things that are done in saa7134_initdev ,
+ except of initializing memory structures.*/
+
+ saa7134_board_init1(dev);
+
+ /* saa7134_hwinit1 */
+ if (saa7134_boards[dev->board].video_out)
+ saa7134_videoport_init(dev);
+ if (card_has_mpeg(dev))
+ saa7134_ts_init_hw(dev);
+ if (dev->remote && dev->remote->dev->users)
+ saa7134_ir_open(dev->remote->dev);
+ saa7134_hw_enable1(dev);
+
+ msleep(100);
+
+ saa7134_board_init2(dev);
+
+ /*saa7134_hwinit2*/
+ saa7134_set_tvnorm_hw(dev);
+ saa7134_tvaudio_setmute(dev);
+ saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
+ saa7134_tvaudio_init(dev);
+ saa7134_enable_i2s(dev);
+ saa7134_hw_enable2(dev);
+
+ saa7134_irq_video_signalchange(dev);
+
+ /*resume unfinished buffer(s)*/
+ spin_lock_irqsave(&dev->slock, flags);
+ saa7134_buffer_requeue(dev, &dev->video_q);
+ saa7134_buffer_requeue(dev, &dev->vbi_q);
+ saa7134_buffer_requeue(dev, &dev->ts_q);
+
+ /* FIXME: Disable DMA audio sound - temporary till proper support
+ is implemented*/
+
+ dev->dmasound.dma_running = 0;
+
+ /* start DMA now*/
+ dev->insuspend = 0;
+ smp_wmb();
+ saa7134_set_dmabits(dev);
+ spin_unlock_irqrestore(&dev->slock, flags);
+
+ return 0;
+}
+
+/* ----------------------------------------------------------- */
+
+int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
+{
+ struct saa7134_dev *dev;
+
+ mutex_lock(&saa7134_devlist_lock);
+ list_for_each_entry(dev, &saa7134_devlist, devlist)
+ mpeg_ops_attach(ops, dev);
+ list_add_tail(&ops->next,&mops_list);
+ mutex_unlock(&saa7134_devlist_lock);
+ return 0;
+}
+
+void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
+{
+ struct saa7134_dev *dev;
+
+ mutex_lock(&saa7134_devlist_lock);
+ list_del(&ops->next);
+ list_for_each_entry(dev, &saa7134_devlist, devlist)
+ mpeg_ops_detach(ops, dev);
+ mutex_unlock(&saa7134_devlist_lock);
+}
+
+EXPORT_SYMBOL(saa7134_ts_register);
+EXPORT_SYMBOL(saa7134_ts_unregister);
+
+/* ----------------------------------------------------------- */
+
+static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume);
+
+static struct pci_driver saa7134_pci_driver = {
+ .name = "saa7134",
+ .id_table = saa7134_pci_tbl,
+ .probe = saa7134_initdev,
+ .remove = saa7134_finidev,
+ .driver.pm = &saa7134_pm_ops,
+};
+
+static int __init saa7134_init(void)
+{
+ pr_info("saa7130/34: v4l2 driver version %s loaded\n",
+ SAA7134_VERSION);
+ return pci_register_driver(&saa7134_pci_driver);
+}
+
+static void __exit saa7134_fini(void)
+{
+ pci_unregister_driver(&saa7134_pci_driver);
+}
+
+module_init(saa7134_init);
+module_exit(saa7134_fini);
+
+/* ----------------------------------------------------------- */
+
+EXPORT_SYMBOL(saa7134_set_gpio);
+EXPORT_SYMBOL(saa7134_boards);
+
+/* ----------------- for the DMA sound modules --------------- */
+
+EXPORT_SYMBOL(saa7134_dmasound_init);
+EXPORT_SYMBOL(saa7134_dmasound_exit);
+EXPORT_SYMBOL(saa7134_pgtable_free);
+EXPORT_SYMBOL(saa7134_pgtable_build);
+EXPORT_SYMBOL(saa7134_pgtable_alloc);
+EXPORT_SYMBOL(saa7134_set_dmabits);