diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-core.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 1237 |
1 files changed, 1237 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c new file mode 100644 index 000000000000..d506cafba8ff --- /dev/null +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -0,0 +1,1237 @@ +/* + * $Id: saa7134-core.c,v 1.28 2005/02/22 09:56:29 kraxel Exp $ + * + * device driver for philips saa7134 based TV cards + * driver core + * + * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/moduleparam.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 "saa7134-reg.h" +#include "saa7134.h" + +MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards"); +MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); +MODULE_LICENSE("GPL"); + +/* ------------------------------------------------------------------ */ + +static unsigned int irq_debug = 0; +module_param(irq_debug, int, 0644); +MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); + +static unsigned int core_debug = 0; +module_param(core_debug, int, 0644); +MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); + +static unsigned int gpio_tracking = 0; +module_param(gpio_tracking, int, 0644); +MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); + +static unsigned int oss = 0; +module_param(oss, int, 0444); +MODULE_PARM_DESC(oss,"register oss devices (default: no)"); + +static unsigned int latency = UNSET; +module_param(latency, int, 0444); +MODULE_PARM_DESC(latency,"pci latency timer"); + +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 dsp_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; +static unsigned int mixer_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(dsp_nr, int, NULL, 0444); +module_param_array(mixer_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(dsp_nr, "oss dsp device number"); +MODULE_PARM_DESC(mixer_nr, "oss mixer device number"); +MODULE_PARM_DESC(tuner, "tuner type"); +MODULE_PARM_DESC(card, "card type"); + +static DECLARE_MUTEX(devlist_lock); +LIST_HEAD(saa7134_devlist); +static LIST_HEAD(mops_list); +static unsigned int saa7134_devcount; + +#define dprintk(fmt, arg...) if (core_debug) \ + printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg) + +/* ------------------------------------------------------------------ */ +/* debug help functions */ + +static const char *v4l1_ioctls[] = { + "0", "GCAP", "GCHAN", "SCHAN", "GTUNER", "STUNER", "GPICT", "SPICT", + "CCAPTURE", "GWIN", "SWIN", "GFBUF", "SFBUF", "KEY", "GFREQ", + "SFREQ", "GAUDIO", "SAUDIO", "SYNC", "MCAPTURE", "GMBUF", "GUNIT", + "GCAPTURE", "SCAPTURE", "SPLAYMODE", "SWRITEMODE", "GPLAYINFO", + "SMICROCODE", "GVBIFMT", "SVBIFMT" }; +#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls) + +static const char *v4l2_ioctls[] = { + "QUERYCAP", "1", "ENUM_PIXFMT", "ENUM_FBUFFMT", "G_FMT", "S_FMT", + "G_COMP", "S_COMP", "REQBUFS", "QUERYBUF", "G_FBUF", "S_FBUF", + "G_WIN", "S_WIN", "PREVIEW", "QBUF", "16", "DQBUF", "STREAMON", + "STREAMOFF", "G_PERF", "G_PARM", "S_PARM", "G_STD", "S_STD", + "ENUMSTD", "ENUMINPUT", "G_CTRL", "S_CTRL", "G_TUNER", "S_TUNER", + "G_FREQ", "S_FREQ", "G_AUDIO", "S_AUDIO", "35", "QUERYCTRL", + "QUERYMENU", "G_INPUT", "S_INPUT", "ENUMCVT", "41", "42", "43", + "44", "45", "G_OUTPUT", "S_OUTPUT", "ENUMOUTPUT", "G_AUDOUT", + "S_AUDOUT", "ENUMFX", "G_EFFECT", "S_EFFECT", "G_MODULATOR", + "S_MODULATOR" +}; +#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) + +static const char *osspcm_ioctls[] = { + "RESET", "SYNC", "SPEED", "STEREO", "GETBLKSIZE", "SETFMT", + "CHANNELS", "?", "POST", "SUBDIVIDE", "SETFRAGMENT", "GETFMTS", + "GETOSPACE", "GETISPACE", "NONBLOCK", "GETCAPS", "GET/SETTRIGGER", + "GETIPTR", "GETOPTR", "MAPINBUF", "MAPOUTBUF", "SETSYNCRO", + "SETDUPLEX", "GETODELAY" +}; +#define OSSPCM_IOCTLS ARRAY_SIZE(v4l2_ioctls) + +void saa7134_print_ioctl(char *name, unsigned int cmd) +{ + char *dir; + + switch (_IOC_DIR(cmd)) { + case _IOC_NONE: dir = "--"; break; + case _IOC_READ: dir = "r-"; break; + case _IOC_WRITE: dir = "-w"; break; + case _IOC_READ | _IOC_WRITE: dir = "rw"; break; + default: dir = "??"; break; + } + switch (_IOC_TYPE(cmd)) { + case 'v': + printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l1, %s, VIDIOC%s)\n", + name, cmd, dir, (_IOC_NR(cmd) < V4L1_IOCTLS) ? + v4l1_ioctls[_IOC_NR(cmd)] : "???"); + break; + case 'V': + printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l2, %s, VIDIOC_%s)\n", + name, cmd, dir, (_IOC_NR(cmd) < V4L2_IOCTLS) ? + v4l2_ioctls[_IOC_NR(cmd)] : "???"); + break; + case 'P': + printk(KERN_DEBUG "%s: ioctl 0x%08x (oss dsp, %s, SNDCTL_DSP_%s)\n", + name, cmd, dir, (_IOC_NR(cmd) < OSSPCM_IOCTLS) ? + osspcm_ioctls[_IOC_NR(cmd)] : "???"); + break; + case 'M': + printk(KERN_DEBUG "%s: ioctl 0x%08x (oss mixer, %s, #%d)\n", + name, cmd, dir, _IOC_NR(cmd)); + break; + default: + printk(KERN_DEBUG "%s: ioctl 0x%08x (???, %s, #%d)\n", + name, cmd, dir, _IOC_NR(cmd)); + } +} + +void saa7134_track_gpio(struct saa7134_dev *dev, 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; + printk(KERN_DEBUG + "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", + dev->name, mode, (~mode) & status, mode & status, msg); +} + +/* ------------------------------------------------------------------ */ + +#if 0 +static char *dec1_bits[8] = { + "DCSTD0", "DCSCT1", "WIPA", "GLIMB", + "GLIMT", "SLTCA", "HLCK" +}; +static char *dec2_bits[8] = { + "RDCAP", "COPRO", "COLSTR", "TYPE3", + NULL, "FIDT", "HLVLN", "INTL" +}; +static char *scale1_bits[8] = { + "VID_A", "VBI_A", NULL, NULL, "VID_B", "VBI_B" +}; +static char *scale2_bits[8] = { + "TRERR", "CFERR", "LDERR", "WASRST", + "FIDSCI", "FIDSCO", "D6^D5", "TASK" +}; + +static void dump_statusreg(struct saa7134_dev *dev, int reg, + char *regname, char **bits) +{ + int value,i; + + value = saa_readb(reg); + printk(KERN_DEBUG "%s: %s:", dev->name, regname); + for (i = 7; i >= 0; i--) { + if (NULL == bits[i]) + continue; + printk(" %s=%d", bits[i], (value & (1 << i)) ? 1 : 0); + } + printk("\n"); +} + +static void dump_statusregs(struct saa7134_dev *dev) +{ + dump_statusreg(dev,SAA7134_STATUS_VIDEO1,"dec1",dec1_bits); + dump_statusreg(dev,SAA7134_STATUS_VIDEO2,"dec2",dec2_bits); + dump_statusreg(dev,SAA7134_SCALER_STATUS0,"scale0",scale1_bits); + dump_statusreg(dev,SAA7134_SCALER_STATUS1,"scale1",scale2_bits); +} +#endif + +/* ----------------------------------------------------------- */ +/* delayed request_module */ + +#ifdef CONFIG_MODULES + +static int need_empress; +static int need_dvb; + +static int pending_call(struct notifier_block *self, unsigned long state, + void *module) +{ + if (module != THIS_MODULE || state != MODULE_STATE_LIVE) + return NOTIFY_DONE; + + if (need_empress) + request_module("saa7134-empress"); + if (need_dvb) + request_module("saa7134-dvb"); + return NOTIFY_DONE; +} + +static int pending_registered; +static struct notifier_block pending_notifier = { + .notifier_call = pending_call, +}; + +static void request_module_depend(char *name, int *flag) +{ + switch (THIS_MODULE->state) { + case MODULE_STATE_COMING: + if (!pending_registered) { + register_module_notifier(&pending_notifier); + pending_registered = 1; + } + *flag = 1; + break; + case MODULE_STATE_LIVE: + request_module(name); + break; + default: + /* nothing */; + break; + } +} + +#else + +#define request_module_depend(name,flag) + +#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(buf->vb.bsize) * buf->vb.i; +} + +unsigned long saa7134_buffer_base(struct saa7134_buf *buf) +{ + unsigned long base; + + base = saa7134_buffer_startpage(buf) * 4096; + base += buf->vb.dma.sglist[0].offset; + return base; +} + +/* ------------------------------------------------------------------ */ + +int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) +{ + u32 *cpu; + dma_addr_t dma_addr; + + cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr); + 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) +{ + u32 *ptr; + unsigned int i,p; + + BUG_ON(NULL == pt || NULL == pt->cpu); + + ptr = pt->cpu + startpage; + for (i = 0; i < length; i++, list++) + for (p = 0; p * 4096 < list->length; p++, ptr++) + *ptr = sg_dma_address(list) - list->offset; + return 0; +} + +void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) +{ + if (NULL == pt->cpu) + return; + pci_free_consistent(pci, pt->size, pt->cpu, pt->dma); + pt->cpu = NULL; +} + +/* ------------------------------------------------------------------ */ + +void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf) +{ + if (in_interrupt()) + BUG(); + + videobuf_waiton(&buf->vb,0,0); + videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma); + videobuf_dma_free(&buf->vb.dma); + buf->vb.state = STATE_NEEDS_INIT; +} + +/* ------------------------------------------------------------------ */ + +int saa7134_buffer_queue(struct saa7134_dev *dev, + struct saa7134_dmaqueue *q, + struct saa7134_buf *buf) +{ + struct saa7134_buf *next = NULL; + + assert_spin_locked(&dev->slock); + dprintk("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->vb.queue,&q->queue); + buf->vb.state = STATE_QUEUED; + } else { + next = list_entry(q->queue.next,struct saa7134_buf, + vb.queue); + q->curr = buf; + buf->activate(dev,buf,next); + } + } else { + list_add_tail(&buf->vb.queue,&q->queue); + buf->vb.state = STATE_QUEUED; + } + return 0; +} + +void saa7134_buffer_finish(struct saa7134_dev *dev, + struct saa7134_dmaqueue *q, + unsigned int state) +{ + assert_spin_locked(&dev->slock); + dprintk("buffer_finish %p\n",q->curr); + + /* finish current buffer */ + q->curr->vb.state = state; + do_gettimeofday(&q->curr->vb.ts); + wake_up(&q->curr->vb.done); + 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,vb.queue); + dprintk("buffer_next %p [prev=%p/next=%p]\n", + buf,q->queue.prev,q->queue.next); + list_del(&buf->vb.queue); + if (!list_empty(&q->queue)) + next = list_entry(q->queue.next,struct saa7134_buf, + vb.queue); + q->curr = buf; + buf->activate(dev,buf,next); + dprintk("buffer_next #2 prev=%p/next=%p\n", + q->queue.prev,q->queue.next); + } else { + /* nothing to do -- just stop DMA */ + dprintk("buffer_next %p\n",NULL); + saa7134_set_dmabits(dev); + del_timer(&q->timeout); + } +} + +void saa7134_buffer_timeout(unsigned long data) +{ + struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data; + 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) { + dprintk("timeout on %p\n",q->curr); + saa7134_buffer_finish(dev,q,STATE_ERROR); + } + saa7134_buffer_next(dev,q); + spin_unlock_irqrestore(&dev->slock,flags); +} + +/* ------------------------------------------------------------------ */ + +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); + + /* 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->video_q.curr->vb.field; + } + + /* video capture -- dma 1+2 (planar modes) */ + if (dev->video_q.curr && + dev->video_q.curr->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->oss.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_3 | + SAA7134_IRQ1_INTE_RA2_2 | + 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); + dprintk("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; + + printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx", + dev->name,loop,jiffies,report,status); + for (i = 0; i < IRQBITS; i++) { + if (!(report & (1 << i))) + continue; + printk(" %s",irqbits[i]); + } + if (report & SAA7134_IRQ_REPORT_DONE_RA0) { + printk(" | RA0=%s,%s,%s,%ld", + (status & 0x40) ? "vbi" : "video", + (status & 0x20) ? "b" : "a", + (status & 0x10) ? "odd" : "even", + (status & 0x0f)); + } + printk("\n"); +} + +static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs) +{ + struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; + unsigned long report,status; + int loop, handled = 0; + + for (loop = 0; loop < 10; loop++) { + report = saa_readl(SAA7134_IRQ_REPORT); + status = saa_readl(SAA7134_IRQ_STATUS); + if (0 == report) { + if (irq_debug > 1) + printk(KERN_DEBUG "%s/irq: no (more) work\n", + dev->name); + goto out; + } + handled = 1; + saa_writel(SAA7134_IRQ_REPORT,report); + if (irq_debug) + print_irqstatus(dev,loop,report,status); + +#if 0 + if (report & SAA7134_IRQ_REPORT_CONF_ERR) + dump_statusregs(dev); +#endif + + if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */) + saa7134_irq_video_intl(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)) + saa7134_irq_ts_done(dev,status); + + if ((report & SAA7134_IRQ_REPORT_DONE_RA3)) + saa7134_irq_oss_done(dev,status); + + if ((report & (SAA7134_IRQ_REPORT_GPIO16 | + SAA7134_IRQ_REPORT_GPIO18)) && + dev->remote) + saa7134_input_irq(dev); + } + + if (10 == loop) { + print_irqstatus(dev,loop,report,status); + if (report & SAA7134_IRQ_REPORT_PE) { + /* disable all parity error */ + printk(KERN_WARNING "%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 | + SAA7134_IRQ_REPORT_GPIO18)) { + /* disable gpio IRQs */ + printk(KERN_WARNING "%s/irq: looping -- " + "clearing GPIO enable bits\n",dev->name); + saa_clearl(SAA7134_IRQ2, (SAA7134_IRQ2_INTE_GPIO16 | + SAA7134_IRQ2_INTE_GPIO18)); + } else { + /* disable all irqs */ + printk(KERN_WARNING "%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_hwinit1(struct saa7134_dev *dev) +{ + dprintk("hwinit1\n"); + + saa_writel(SAA7134_IRQ1, 0); + saa_writel(SAA7134_IRQ2, 0); + init_MUTEX(&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); + + switch (dev->pci->device) { + case PCI_DEVICE_ID_PHILIPS_SAA7134: + case PCI_DEVICE_ID_PHILIPS_SAA7133: + case PCI_DEVICE_ID_PHILIPS_SAA7135: + saa7134_oss_init1(dev); + break; + } + + /* 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_EBADC | + SAA7134_MAIN_CTRL_EBDAC); + + /* 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; +} + +/* late init (with i2c + irq) */ +static int saa7134_hwinit2(struct saa7134_dev *dev) +{ + dprintk("hwinit2\n"); + + saa7134_video_init2(dev); + saa7134_tvaudio_init2(dev); + + /* enable IRQ's */ + saa_writel(SAA7134_IRQ1, 0); + saa_writel(SAA7134_IRQ2, dev->irq2_mask); + + return 0; +} + +/* shutdown */ +static int saa7134_hwfini(struct saa7134_dev *dev) +{ + dprintk("hwfini\n"); + + switch (dev->pci->device) { + case PCI_DEVICE_ID_PHILIPS_SAA7134: + case PCI_DEVICE_ID_PHILIPS_SAA7133: + case PCI_DEVICE_ID_PHILIPS_SAA7135: + saa7134_oss_fini(dev); + break; + } + if (card_has_mpeg(dev)) + saa7134_ts_fini(dev); + saa7134_input_fini(dev); + saa7134_vbi_fini(dev); + saa7134_video_fini(dev); + saa7134_tvaudio_fini(dev); + return 0; +} + +static void __devinit must_configure_manually(void) +{ + unsigned int i,p; + + printk(KERN_WARNING + "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"); + for (i = 0; i < saa7134_bcount; i++) { + printk(KERN_WARNING "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; + printk(" %04x:%04x", + saa7134_pci_tbl[p].subvendor, + saa7134_pci_tbl[p].subdevice); + } + printk("\n"); + } +} + +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->minor = -1; + vfd->dev = &dev->pci->dev; + vfd->release = video_device_release; + snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", + dev->name, type, saa7134_boards[dev->board].name); + return vfd; +} + +static void saa7134_unregister_video(struct saa7134_dev *dev) +{ + if (dev->video_dev) { + if (-1 != dev->video_dev->minor) + video_unregister_device(dev->video_dev); + else + video_device_release(dev->video_dev); + dev->video_dev = NULL; + } + if (dev->vbi_dev) { + if (-1 != dev->vbi_dev->minor) + video_unregister_device(dev->vbi_dev); + else + video_device_release(dev->vbi_dev); + dev->vbi_dev = NULL; + } + if (dev->radio_dev) { + if (-1 != dev->radio_dev->minor) + 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 __devinit saa7134_initdev(struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) +{ + struct saa7134_dev *dev; + struct list_head *item; + struct saa7134_mpeg_ops *mops; + int err; + + dev = kmalloc(sizeof(*dev),GFP_KERNEL); + if (NULL == dev) + return -ENOMEM; + memset(dev,0,sizeof(*dev)); + + /* pci init */ + dev->pci = pci_dev; + if (pci_enable_device(pci_dev)) { + err = -EIO; + goto fail1; + } + + dev->nr = saa7134_devcount; + sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr); + + /* pci quirks */ + if (pci_pci_problems) { + if (pci_pci_problems & PCIPCI_TRITON) + printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name); + if (pci_pci_problems & PCIPCI_NATOMA) + printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name); + if (pci_pci_problems & PCIPCI_VIAETBF) + printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name); + if (pci_pci_problems & PCIPCI_VSFX) + printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name); +#ifdef PCIPCI_ALIMAGIK + if (pci_pci_problems & PCIPCI_ALIMAGIK) { + printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", + dev->name); + latency = 0x0A; + } +#endif + } + if (UNSET != latency) { + printk(KERN_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 */ + pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); + printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, " + "latency: %d, mmio: 0x%lx\n", dev->name, + pci_name(pci_dev), dev->pci_rev, pci_dev->irq, + dev->pci_lat,pci_resource_start(pci_dev,0)); + pci_set_master(pci_dev); + if (!pci_dma_supported(pci_dev,0xffffffff)) { + printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name); + err = -EIO; + goto fail1; + } + + /* board config */ + dev->board = pci_id->driver_data; + if (card[dev->nr] >= 0 && + card[dev->nr] < saa7134_bcount) + dev->board = card[dev->nr]; + if (SAA7134_BOARD_NOAUTO == dev->board) { + must_configure_manually(); + dev->board = SAA7134_BOARD_UNKNOWN; + } + dev->tuner_type = saa7134_boards[dev->board].tuner_type; + dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; + if (UNSET != tuner[dev->nr]) + dev->tuner_type = tuner[dev->nr]; + printk(KERN_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, card[dev->nr] == dev->board ? + "insmod option" : "autodetected"); + + /* get mmio */ + if (!request_mem_region(pci_resource_start(pci_dev,0), + pci_resource_len(pci_dev,0), + dev->name)) { + err = -EBUSY; + printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n", + dev->name,pci_resource_start(pci_dev,0)); + goto fail1; + } + dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000); + dev->bmmio = (__u8 __iomem *)dev->lmmio; + if (NULL == dev->lmmio) { + err = -EIO; + printk(KERN_ERR "%s: can't ioremap() MMIO memory\n", + dev->name); + goto fail2; + } + + /* initialize hardware #1 */ + dev->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; + saa7134_board_init1(dev); + saa7134_hwinit1(dev); + + /* get irq */ + err = request_irq(pci_dev->irq, saa7134_irq, + SA_SHIRQ | SA_INTERRUPT, dev->name, dev); + if (err < 0) { + printk(KERN_ERR "%s: can't get IRQ %d\n", + dev->name,pci_dev->irq); + goto fail3; + } + + /* wait a bit, register i2c bus */ + msleep(100); + saa7134_i2c_register(dev); + + /* initialize hardware #2 */ + saa7134_board_init2(dev); + saa7134_hwinit2(dev); + + /* load i2c helpers */ + if (TUNER_ABSENT != dev->tuner_type) + request_module("tuner"); + if (dev->tda9887_conf) + request_module("tda9887"); + if (card_is_empress(dev)) { + request_module("saa6752hs"); + request_module_depend("saa7134-empress",&need_empress); + } + if (card_is_dvb(dev)) + request_module_depend("saa7134-dvb",&need_dvb); + + v4l2_prio_init(&dev->prio); + + /* register v4l devices */ + dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); + err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, + video_nr[dev->nr]); + if (err < 0) { + printk(KERN_INFO "%s: can't register video device\n", + dev->name); + goto fail4; + } + printk(KERN_INFO "%s: registered device video%d [v4l2]\n", + dev->name,dev->video_dev->minor & 0x1f); + + dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi"); + err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, + vbi_nr[dev->nr]); + if (err < 0) + goto fail4; + printk(KERN_INFO "%s: registered device vbi%d\n", + dev->name,dev->vbi_dev->minor & 0x1f); + + if (card_has_radio(dev)) { + dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); + err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, + radio_nr[dev->nr]); + if (err < 0) + goto fail4; + printk(KERN_INFO "%s: registered device radio%d\n", + dev->name,dev->radio_dev->minor & 0x1f); + } + + /* register oss devices */ + switch (dev->pci->device) { + case PCI_DEVICE_ID_PHILIPS_SAA7134: + case PCI_DEVICE_ID_PHILIPS_SAA7133: + case PCI_DEVICE_ID_PHILIPS_SAA7135: + if (oss) { + err = dev->oss.minor_dsp = + register_sound_dsp(&saa7134_dsp_fops, + dsp_nr[dev->nr]); + if (err < 0) { + goto fail4; + } + printk(KERN_INFO "%s: registered device dsp%d\n", + dev->name,dev->oss.minor_dsp >> 4); + + err = dev->oss.minor_mixer = + register_sound_mixer(&saa7134_mixer_fops, + mixer_nr[dev->nr]); + if (err < 0) + goto fail5; + printk(KERN_INFO "%s: registered device mixer%d\n", + dev->name,dev->oss.minor_mixer >> 4); + } + break; + } + + /* everything worked */ + pci_set_drvdata(pci_dev,dev); + saa7134_devcount++; + + down(&devlist_lock); + list_for_each(item,&mops_list) { + mops = list_entry(item, struct saa7134_mpeg_ops, next); + mpeg_ops_attach(mops, dev); + } + list_add_tail(&dev->devlist,&saa7134_devlist); + up(&devlist_lock); + + /* check for signal */ + saa7134_irq_video_intl(dev); + return 0; + + fail5: + switch (dev->pci->device) { + case PCI_DEVICE_ID_PHILIPS_SAA7134: + case PCI_DEVICE_ID_PHILIPS_SAA7133: + case PCI_DEVICE_ID_PHILIPS_SAA7135: + if (oss) + unregister_sound_dsp(dev->oss.minor_dsp); + break; + } + fail4: + saa7134_unregister_video(dev); + saa7134_i2c_unregister(dev); + free_irq(pci_dev->irq, dev); + fail3: + saa7134_hwfini(dev); + iounmap(dev->lmmio); + fail2: + release_mem_region(pci_resource_start(pci_dev,0), + pci_resource_len(pci_dev,0)); + fail1: + kfree(dev); + return err; +} + +static void __devexit saa7134_finidev(struct pci_dev *pci_dev) +{ + struct saa7134_dev *dev = pci_get_drvdata(pci_dev); + struct list_head *item; + struct saa7134_mpeg_ops *mops; + + /* 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 */ + down(&devlist_lock); + list_del(&dev->devlist); + list_for_each(item,&mops_list) { + mops = list_entry(item, struct saa7134_mpeg_ops, next); + mpeg_ops_detach(mops, dev); + } + up(&devlist_lock); + saa7134_devcount--; + + saa7134_i2c_unregister(dev); + switch (dev->pci->device) { + case PCI_DEVICE_ID_PHILIPS_SAA7134: + case PCI_DEVICE_ID_PHILIPS_SAA7133: + case PCI_DEVICE_ID_PHILIPS_SAA7135: + if (oss) { + unregister_sound_mixer(dev->oss.minor_mixer); + unregister_sound_dsp(dev->oss.minor_dsp); + } + break; + } + saa7134_unregister_video(dev); + + /* release ressources */ + free_irq(pci_dev->irq, dev); + iounmap(dev->lmmio); + release_mem_region(pci_resource_start(pci_dev,0), + pci_resource_len(pci_dev,0)); + +#if 0 /* causes some trouble when reinserting the driver ... */ + pci_disable_device(pci_dev); +#endif + pci_set_drvdata(pci_dev, NULL); + + /* free memory */ + kfree(dev); +} + +/* ----------------------------------------------------------- */ + +int saa7134_ts_register(struct saa7134_mpeg_ops *ops) +{ + struct list_head *item; + struct saa7134_dev *dev; + + down(&devlist_lock); + list_for_each(item,&saa7134_devlist) { + dev = list_entry(item, struct saa7134_dev, devlist); + mpeg_ops_attach(ops, dev); + } + list_add_tail(&ops->next,&mops_list); + up(&devlist_lock); + return 0; +} + +void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) +{ + struct list_head *item; + struct saa7134_dev *dev; + + down(&devlist_lock); + list_del(&ops->next); + list_for_each(item,&saa7134_devlist) { + dev = list_entry(item, struct saa7134_dev, devlist); + mpeg_ops_detach(ops, dev); + } + up(&devlist_lock); +} + +EXPORT_SYMBOL(saa7134_ts_register); +EXPORT_SYMBOL(saa7134_ts_unregister); + +/* ----------------------------------------------------------- */ + +static struct pci_driver saa7134_pci_driver = { + .name = "saa7134", + .id_table = saa7134_pci_tbl, + .probe = saa7134_initdev, + .remove = __devexit_p(saa7134_finidev), +}; + +static int saa7134_init(void) +{ + INIT_LIST_HEAD(&saa7134_devlist); + printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n", + (SAA7134_VERSION_CODE >> 16) & 0xff, + (SAA7134_VERSION_CODE >> 8) & 0xff, + SAA7134_VERSION_CODE & 0xff); +#ifdef SNAPSHOT + printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n", + SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); +#endif + return pci_module_init(&saa7134_pci_driver); +} + +static void saa7134_fini(void) +{ +#ifdef CONFIG_MODULES + if (pending_registered) + unregister_module_notifier(&pending_notifier); +#endif + pci_unregister_driver(&saa7134_pci_driver); +} + +module_init(saa7134_init); +module_exit(saa7134_fini); + +/* ----------------------------------------------------------- */ + +EXPORT_SYMBOL(saa7134_print_ioctl); +EXPORT_SYMBOL(saa7134_i2c_call_clients); +EXPORT_SYMBOL(saa7134_devlist); +EXPORT_SYMBOL(saa7134_boards); + +/* ----------------------------------------------------------- */ +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |