1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 2b285192aSMauro Carvalho Chehab /* 3b285192aSMauro Carvalho Chehab * 4b285192aSMauro Carvalho Chehab * device driver for philips saa7134 based TV cards 5b285192aSMauro Carvalho Chehab * driver core 6b285192aSMauro Carvalho Chehab * 7b285192aSMauro Carvalho Chehab * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 8b285192aSMauro Carvalho Chehab */ 9b285192aSMauro Carvalho Chehab 109a12ccfcSMauro Carvalho Chehab #include "saa7134.h" 119a12ccfcSMauro Carvalho Chehab #include "saa7134-reg.h" 129a12ccfcSMauro Carvalho Chehab 13b285192aSMauro Carvalho Chehab #include <linux/init.h> 14b285192aSMauro Carvalho Chehab #include <linux/list.h> 15b285192aSMauro Carvalho Chehab #include <linux/module.h> 16b285192aSMauro Carvalho Chehab #include <linux/kernel.h> 17b285192aSMauro Carvalho Chehab #include <linux/slab.h> 18b285192aSMauro Carvalho Chehab #include <linux/kmod.h> 19b285192aSMauro Carvalho Chehab #include <linux/sound.h> 20b285192aSMauro Carvalho Chehab #include <linux/interrupt.h> 21b285192aSMauro Carvalho Chehab #include <linux/delay.h> 22b285192aSMauro Carvalho Chehab #include <linux/mutex.h> 23b285192aSMauro Carvalho Chehab #include <linux/dma-mapping.h> 24b285192aSMauro Carvalho Chehab #include <linux/pm.h> 25b285192aSMauro Carvalho Chehab 26b285192aSMauro Carvalho Chehab MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards"); 27b285192aSMauro Carvalho Chehab MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 28b285192aSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 29b285192aSMauro Carvalho Chehab MODULE_VERSION(SAA7134_VERSION); 30b285192aSMauro Carvalho Chehab 31b285192aSMauro Carvalho Chehab 32b285192aSMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 33b285192aSMauro Carvalho Chehab 34b285192aSMauro Carvalho Chehab static unsigned int irq_debug; 35b285192aSMauro Carvalho Chehab module_param(irq_debug, int, 0644); 36b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); 37b285192aSMauro Carvalho Chehab 38b285192aSMauro Carvalho Chehab static unsigned int core_debug; 39b285192aSMauro Carvalho Chehab module_param(core_debug, int, 0644); 40b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); 41b285192aSMauro Carvalho Chehab 42b285192aSMauro Carvalho Chehab static unsigned int gpio_tracking; 43b285192aSMauro Carvalho Chehab module_param(gpio_tracking, int, 0644); 44b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); 45b285192aSMauro Carvalho Chehab 46b285192aSMauro Carvalho Chehab static unsigned int alsa = 1; 47b285192aSMauro Carvalho Chehab module_param(alsa, int, 0644); 48b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]"); 49b285192aSMauro Carvalho Chehab 50b285192aSMauro Carvalho Chehab static unsigned int latency = UNSET; 51b285192aSMauro Carvalho Chehab module_param(latency, int, 0444); 52b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(latency,"pci latency timer"); 53b285192aSMauro Carvalho Chehab 54b285192aSMauro Carvalho Chehab int saa7134_no_overlay=-1; 55b285192aSMauro Carvalho Chehab module_param_named(no_overlay, saa7134_no_overlay, int, 0444); 56395eff95SMauro Carvalho Chehab MODULE_PARM_DESC(no_overlay, "allow override overlay default (0 disables, 1 enables) [some VIA/SIS chipsets are known to have problem with overlay]"); 57b285192aSMauro Carvalho Chehab 58a3f415abSHans Verkuil bool saa7134_userptr; 59a3f415abSHans Verkuil module_param(saa7134_userptr, bool, 0644); 60a3f415abSHans Verkuil MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support"); 61a3f415abSHans Verkuil 62b285192aSMauro Carvalho Chehab static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 63b285192aSMauro Carvalho Chehab static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 64b285192aSMauro Carvalho Chehab static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 65b285192aSMauro Carvalho Chehab static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 66b285192aSMauro Carvalho Chehab static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 67b285192aSMauro Carvalho Chehab 68b285192aSMauro Carvalho Chehab 69b285192aSMauro Carvalho Chehab module_param_array(video_nr, int, NULL, 0444); 70b285192aSMauro Carvalho Chehab module_param_array(vbi_nr, int, NULL, 0444); 71b285192aSMauro Carvalho Chehab module_param_array(radio_nr, int, NULL, 0444); 72b285192aSMauro Carvalho Chehab module_param_array(tuner, int, NULL, 0444); 73b285192aSMauro Carvalho Chehab module_param_array(card, int, NULL, 0444); 74b285192aSMauro Carvalho Chehab 75b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(video_nr, "video device number"); 76b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(vbi_nr, "vbi device number"); 77b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(radio_nr, "radio device number"); 78b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(tuner, "tuner type"); 79b285192aSMauro Carvalho Chehab MODULE_PARM_DESC(card, "card type"); 80b285192aSMauro Carvalho Chehab 81b285192aSMauro Carvalho Chehab DEFINE_MUTEX(saa7134_devlist_lock); 82b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_devlist_lock); 83b285192aSMauro Carvalho Chehab LIST_HEAD(saa7134_devlist); 84b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_devlist); 85b285192aSMauro Carvalho Chehab static LIST_HEAD(mops_list); 86b285192aSMauro Carvalho Chehab static unsigned int saa7134_devcount; 87b285192aSMauro Carvalho Chehab 88b285192aSMauro Carvalho Chehab int (*saa7134_dmasound_init)(struct saa7134_dev *dev); 89b285192aSMauro Carvalho Chehab int (*saa7134_dmasound_exit)(struct saa7134_dev *dev); 90b285192aSMauro Carvalho Chehab 9145f38cb3SMauro Carvalho Chehab #define core_dbg(fmt, arg...) do { \ 9245f38cb3SMauro Carvalho Chehab if (core_debug) \ 9345f38cb3SMauro Carvalho Chehab printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \ 9445f38cb3SMauro Carvalho Chehab } while (0) 95c6c62cceSMauro Carvalho Chehab 9645f38cb3SMauro Carvalho Chehab #define irq_dbg(level, fmt, arg...) do {\ 9745f38cb3SMauro Carvalho Chehab if (irq_debug > level) \ 9845f38cb3SMauro Carvalho Chehab printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \ 9945f38cb3SMauro Carvalho Chehab } while (0) 100b285192aSMauro Carvalho Chehab 1018fc34867SMauro Carvalho Chehab void saa7134_track_gpio(struct saa7134_dev *dev, const char *msg) 102b285192aSMauro Carvalho Chehab { 103b285192aSMauro Carvalho Chehab unsigned long mode,status; 104b285192aSMauro Carvalho Chehab 105b285192aSMauro Carvalho Chehab if (!gpio_tracking) 106b285192aSMauro Carvalho Chehab return; 107b285192aSMauro Carvalho Chehab /* rising SAA7134_GPIO_GPRESCAN reads the status */ 108b285192aSMauro Carvalho Chehab saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0); 109b285192aSMauro Carvalho Chehab saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN); 110b285192aSMauro Carvalho Chehab mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff; 111b285192aSMauro Carvalho Chehab status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff; 112c6c62cceSMauro Carvalho Chehab core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", 113b285192aSMauro Carvalho Chehab dev->name, mode, (~mode) & status, mode & status, msg); 114b285192aSMauro Carvalho Chehab } 115b285192aSMauro Carvalho Chehab 116b285192aSMauro Carvalho Chehab void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value) 117b285192aSMauro Carvalho Chehab { 118b285192aSMauro Carvalho Chehab u32 index, bitval; 119b285192aSMauro Carvalho Chehab 120b285192aSMauro Carvalho Chehab index = 1 << bit_no; 121b285192aSMauro Carvalho Chehab switch (value) { 122b285192aSMauro Carvalho Chehab case 0: /* static value */ 1236139ebc6SMauro Carvalho Chehab case 1: 1246139ebc6SMauro Carvalho Chehab core_dbg("setting GPIO%d to static %d\n", bit_no, value); 125b285192aSMauro Carvalho Chehab /* turn sync mode off if necessary */ 126b285192aSMauro Carvalho Chehab if (index & 0x00c00000) 127b285192aSMauro Carvalho Chehab saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00); 128b285192aSMauro Carvalho Chehab if (value) 129b285192aSMauro Carvalho Chehab bitval = index; 130b285192aSMauro Carvalho Chehab else 131b285192aSMauro Carvalho Chehab bitval = 0; 132b285192aSMauro Carvalho Chehab saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index); 133b285192aSMauro Carvalho Chehab saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval); 134b285192aSMauro Carvalho Chehab break; 135b285192aSMauro Carvalho Chehab case 3: /* tristate */ 136c6c62cceSMauro Carvalho Chehab core_dbg("setting GPIO%d to tristate\n", bit_no); 137b285192aSMauro Carvalho Chehab saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0); 138b285192aSMauro Carvalho Chehab break; 139b285192aSMauro Carvalho Chehab } 140b285192aSMauro Carvalho Chehab } 141b285192aSMauro Carvalho Chehab 142b285192aSMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 143b285192aSMauro Carvalho Chehab 144b285192aSMauro Carvalho Chehab 145b285192aSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 146b285192aSMauro Carvalho Chehab /* delayed request_module */ 147b285192aSMauro Carvalho Chehab 148b285192aSMauro Carvalho Chehab #if defined(CONFIG_MODULES) && defined(MODULE) 149b285192aSMauro Carvalho Chehab 150b285192aSMauro Carvalho Chehab static void request_module_async(struct work_struct *work){ 151b285192aSMauro Carvalho Chehab struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk); 152b285192aSMauro Carvalho Chehab if (card_is_empress(dev)) 153b285192aSMauro Carvalho Chehab request_module("saa7134-empress"); 154b285192aSMauro Carvalho Chehab if (card_is_dvb(dev)) 155b285192aSMauro Carvalho Chehab request_module("saa7134-dvb"); 156452015deSHans Verkuil if (card_is_go7007(dev)) 157452015deSHans Verkuil request_module("saa7134-go7007"); 158b285192aSMauro Carvalho Chehab if (alsa) { 159b285192aSMauro Carvalho Chehab if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130) 160b285192aSMauro Carvalho Chehab request_module("saa7134-alsa"); 161b285192aSMauro Carvalho Chehab } 162b285192aSMauro Carvalho Chehab } 163b285192aSMauro Carvalho Chehab 164b285192aSMauro Carvalho Chehab static void request_submodules(struct saa7134_dev *dev) 165b285192aSMauro Carvalho Chehab { 166b285192aSMauro Carvalho Chehab INIT_WORK(&dev->request_module_wk, request_module_async); 167b285192aSMauro Carvalho Chehab schedule_work(&dev->request_module_wk); 168b285192aSMauro Carvalho Chehab } 169b285192aSMauro Carvalho Chehab 170b285192aSMauro Carvalho Chehab static void flush_request_submodules(struct saa7134_dev *dev) 171b285192aSMauro Carvalho Chehab { 1720b8e74c6SLinus Torvalds flush_work(&dev->request_module_wk); 173b285192aSMauro Carvalho Chehab } 174b285192aSMauro Carvalho Chehab 175b285192aSMauro Carvalho Chehab #else 176b285192aSMauro Carvalho Chehab #define request_submodules(dev) 177b285192aSMauro Carvalho Chehab #define flush_request_submodules(dev) 178b285192aSMauro Carvalho Chehab #endif /* CONFIG_MODULES */ 179b285192aSMauro Carvalho Chehab 180b285192aSMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 181b285192aSMauro Carvalho Chehab 182b285192aSMauro Carvalho Chehab /* nr of (saa7134-)pages for the given buffer size */ 183b285192aSMauro Carvalho Chehab static int saa7134_buffer_pages(int size) 184b285192aSMauro Carvalho Chehab { 185b285192aSMauro Carvalho Chehab size = PAGE_ALIGN(size); 186b285192aSMauro Carvalho Chehab size += PAGE_SIZE; /* for non-page-aligned buffers */ 187b285192aSMauro Carvalho Chehab size /= 4096; 188b285192aSMauro Carvalho Chehab return size; 189b285192aSMauro Carvalho Chehab } 190b285192aSMauro Carvalho Chehab 191b285192aSMauro Carvalho Chehab /* calc max # of buffers from size (must not exceed the 4MB virtual 192b285192aSMauro Carvalho Chehab * address space per DMA channel) */ 193b285192aSMauro Carvalho Chehab int saa7134_buffer_count(unsigned int size, unsigned int count) 194b285192aSMauro Carvalho Chehab { 195b285192aSMauro Carvalho Chehab unsigned int maxcount; 196b285192aSMauro Carvalho Chehab 197b285192aSMauro Carvalho Chehab maxcount = 1024 / saa7134_buffer_pages(size); 198b285192aSMauro Carvalho Chehab if (count > maxcount) 199b285192aSMauro Carvalho Chehab count = maxcount; 200b285192aSMauro Carvalho Chehab return count; 201b285192aSMauro Carvalho Chehab } 202b285192aSMauro Carvalho Chehab 203b285192aSMauro Carvalho Chehab int saa7134_buffer_startpage(struct saa7134_buf *buf) 204b285192aSMauro Carvalho Chehab { 2052d700715SJunghak Sung return saa7134_buffer_pages(vb2_plane_size(&buf->vb2.vb2_buf, 0)) 2062d700715SJunghak Sung * buf->vb2.vb2_buf.index; 207b285192aSMauro Carvalho Chehab } 208b285192aSMauro Carvalho Chehab 209b285192aSMauro Carvalho Chehab unsigned long saa7134_buffer_base(struct saa7134_buf *buf) 210b285192aSMauro Carvalho Chehab { 211b285192aSMauro Carvalho Chehab unsigned long base; 2122d700715SJunghak Sung struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2.vb2_buf, 0); 213b285192aSMauro Carvalho Chehab 214b285192aSMauro Carvalho Chehab base = saa7134_buffer_startpage(buf) * 4096; 2152ada815fSHans Verkuil base += dma->sgl[0].offset; 216b285192aSMauro Carvalho Chehab return base; 217b285192aSMauro Carvalho Chehab } 218b285192aSMauro Carvalho Chehab 219b285192aSMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 220b285192aSMauro Carvalho Chehab 221b285192aSMauro Carvalho Chehab int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) 222b285192aSMauro Carvalho Chehab { 223b285192aSMauro Carvalho Chehab __le32 *cpu; 224b285192aSMauro Carvalho Chehab dma_addr_t dma_addr = 0; 225b285192aSMauro Carvalho Chehab 226bc3db19fSChristophe JAILLET cpu = dma_alloc_coherent(&pci->dev, SAA7134_PGTABLE_SIZE, &dma_addr, 227bc3db19fSChristophe JAILLET GFP_KERNEL); 228b285192aSMauro Carvalho Chehab if (NULL == cpu) 229b285192aSMauro Carvalho Chehab return -ENOMEM; 230b285192aSMauro Carvalho Chehab pt->size = SAA7134_PGTABLE_SIZE; 231b285192aSMauro Carvalho Chehab pt->cpu = cpu; 232b285192aSMauro Carvalho Chehab pt->dma = dma_addr; 233b285192aSMauro Carvalho Chehab return 0; 234b285192aSMauro Carvalho Chehab } 235b285192aSMauro Carvalho Chehab 236b285192aSMauro Carvalho Chehab int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, 237b285192aSMauro Carvalho Chehab struct scatterlist *list, unsigned int length, 238b285192aSMauro Carvalho Chehab unsigned int startpage) 239b285192aSMauro Carvalho Chehab { 240b285192aSMauro Carvalho Chehab __le32 *ptr; 241b285192aSMauro Carvalho Chehab unsigned int i, p; 242b285192aSMauro Carvalho Chehab 243b285192aSMauro Carvalho Chehab BUG_ON(NULL == pt || NULL == pt->cpu); 244b285192aSMauro Carvalho Chehab 245b285192aSMauro Carvalho Chehab ptr = pt->cpu + startpage; 2462ada815fSHans Verkuil for (i = 0; i < length; i++, list = sg_next(list)) { 2474e1cb753STasos Sahanidis for (p = 0; p * 4096 < sg_dma_len(list); p++, ptr++) 2482ada815fSHans Verkuil *ptr = cpu_to_le32(sg_dma_address(list) + 2492ada815fSHans Verkuil list->offset + p * 4096); 2502ada815fSHans Verkuil } 251b285192aSMauro Carvalho Chehab return 0; 252b285192aSMauro Carvalho Chehab } 253b285192aSMauro Carvalho Chehab 254b285192aSMauro Carvalho Chehab void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) 255b285192aSMauro Carvalho Chehab { 256b285192aSMauro Carvalho Chehab if (NULL == pt->cpu) 257b285192aSMauro Carvalho Chehab return; 258bc3db19fSChristophe JAILLET dma_free_coherent(&pci->dev, pt->size, pt->cpu, pt->dma); 259b285192aSMauro Carvalho Chehab pt->cpu = NULL; 260b285192aSMauro Carvalho Chehab } 261b285192aSMauro Carvalho Chehab 262b285192aSMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 263b285192aSMauro Carvalho Chehab 264b285192aSMauro Carvalho Chehab int saa7134_buffer_queue(struct saa7134_dev *dev, 265b285192aSMauro Carvalho Chehab struct saa7134_dmaqueue *q, 266b285192aSMauro Carvalho Chehab struct saa7134_buf *buf) 267b285192aSMauro Carvalho Chehab { 268b285192aSMauro Carvalho Chehab struct saa7134_buf *next = NULL; 2692ada815fSHans Verkuil unsigned long flags; 270b285192aSMauro Carvalho Chehab 2712ada815fSHans Verkuil spin_lock_irqsave(&dev->slock, flags); 272c6c62cceSMauro Carvalho Chehab core_dbg("buffer_queue %p\n", buf); 273b285192aSMauro Carvalho Chehab if (NULL == q->curr) { 274b285192aSMauro Carvalho Chehab if (!q->need_two) { 275b285192aSMauro Carvalho Chehab q->curr = buf; 276b285192aSMauro Carvalho Chehab buf->activate(dev, buf, NULL); 277b285192aSMauro Carvalho Chehab } else if (list_empty(&q->queue)) { 2782ada815fSHans Verkuil list_add_tail(&buf->entry, &q->queue); 279b285192aSMauro Carvalho Chehab } else { 280b285192aSMauro Carvalho Chehab next = list_entry(q->queue.next, struct saa7134_buf, 2812ada815fSHans Verkuil entry); 282b285192aSMauro Carvalho Chehab q->curr = buf; 283b285192aSMauro Carvalho Chehab buf->activate(dev, buf, next); 284b285192aSMauro Carvalho Chehab } 285b285192aSMauro Carvalho Chehab } else { 2862ada815fSHans Verkuil list_add_tail(&buf->entry, &q->queue); 287b285192aSMauro Carvalho Chehab } 2882ada815fSHans Verkuil spin_unlock_irqrestore(&dev->slock, flags); 289b285192aSMauro Carvalho Chehab return 0; 290b285192aSMauro Carvalho Chehab } 291b285192aSMauro Carvalho Chehab 292b285192aSMauro Carvalho Chehab void saa7134_buffer_finish(struct saa7134_dev *dev, 293b285192aSMauro Carvalho Chehab struct saa7134_dmaqueue *q, 294b285192aSMauro Carvalho Chehab unsigned int state) 295b285192aSMauro Carvalho Chehab { 296c6c62cceSMauro Carvalho Chehab core_dbg("buffer_finish %p\n", q->curr); 297b285192aSMauro Carvalho Chehab 298b285192aSMauro Carvalho Chehab /* finish current buffer */ 299d6dd645eSJunghak Sung q->curr->vb2.vb2_buf.timestamp = ktime_get_ns(); 3002d700715SJunghak Sung q->curr->vb2.sequence = q->seq_nr++; 3012d700715SJunghak Sung vb2_buffer_done(&q->curr->vb2.vb2_buf, state); 302b285192aSMauro Carvalho Chehab q->curr = NULL; 303b285192aSMauro Carvalho Chehab } 304b285192aSMauro Carvalho Chehab 305b285192aSMauro Carvalho Chehab void saa7134_buffer_next(struct saa7134_dev *dev, 306b285192aSMauro Carvalho Chehab struct saa7134_dmaqueue *q) 307b285192aSMauro Carvalho Chehab { 308b285192aSMauro Carvalho Chehab struct saa7134_buf *buf,*next = NULL; 309b285192aSMauro Carvalho Chehab 310b285192aSMauro Carvalho Chehab assert_spin_locked(&dev->slock); 311b285192aSMauro Carvalho Chehab BUG_ON(NULL != q->curr); 312b285192aSMauro Carvalho Chehab 313b285192aSMauro Carvalho Chehab if (!list_empty(&q->queue)) { 314b285192aSMauro Carvalho Chehab /* activate next one from queue */ 3152ada815fSHans Verkuil buf = list_entry(q->queue.next, struct saa7134_buf, entry); 316c6c62cceSMauro Carvalho Chehab core_dbg("buffer_next %p [prev=%p/next=%p]\n", 317b285192aSMauro Carvalho Chehab buf, q->queue.prev, q->queue.next); 3182ada815fSHans Verkuil list_del(&buf->entry); 319b285192aSMauro Carvalho Chehab if (!list_empty(&q->queue)) 3202ada815fSHans Verkuil next = list_entry(q->queue.next, struct saa7134_buf, entry); 321b285192aSMauro Carvalho Chehab q->curr = buf; 322b285192aSMauro Carvalho Chehab buf->activate(dev, buf, next); 323c6c62cceSMauro Carvalho Chehab core_dbg("buffer_next #2 prev=%p/next=%p\n", 324b285192aSMauro Carvalho Chehab q->queue.prev, q->queue.next); 325b285192aSMauro Carvalho Chehab } else { 326b285192aSMauro Carvalho Chehab /* nothing to do -- just stop DMA */ 327c6c62cceSMauro Carvalho Chehab core_dbg("buffer_next %p\n", NULL); 328b285192aSMauro Carvalho Chehab saa7134_set_dmabits(dev); 329b285192aSMauro Carvalho Chehab del_timer(&q->timeout); 330b285192aSMauro Carvalho Chehab } 331b285192aSMauro Carvalho Chehab } 332b285192aSMauro Carvalho Chehab 3331e7126b4SKees Cook void saa7134_buffer_timeout(struct timer_list *t) 334b285192aSMauro Carvalho Chehab { 3351e7126b4SKees Cook struct saa7134_dmaqueue *q = from_timer(q, t, timeout); 336b285192aSMauro Carvalho Chehab struct saa7134_dev *dev = q->dev; 337b285192aSMauro Carvalho Chehab unsigned long flags; 338b285192aSMauro Carvalho Chehab 339b285192aSMauro Carvalho Chehab spin_lock_irqsave(&dev->slock, flags); 340b285192aSMauro Carvalho Chehab 341b285192aSMauro Carvalho Chehab /* try to reset the hardware (SWRST) */ 342b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_REGION_ENABLE, 0x00); 343b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_REGION_ENABLE, 0x80); 344b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_REGION_ENABLE, 0x00); 345b285192aSMauro Carvalho Chehab 346b285192aSMauro Carvalho Chehab /* flag current buffer as failed, 347b285192aSMauro Carvalho Chehab try to start over with the next one. */ 348b285192aSMauro Carvalho Chehab if (q->curr) { 349c6c62cceSMauro Carvalho Chehab core_dbg("timeout on %p\n", q->curr); 3502ada815fSHans Verkuil saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR); 351b285192aSMauro Carvalho Chehab } 352b285192aSMauro Carvalho Chehab saa7134_buffer_next(dev, q); 353b285192aSMauro Carvalho Chehab spin_unlock_irqrestore(&dev->slock, flags); 354b285192aSMauro Carvalho Chehab } 355b285192aSMauro Carvalho Chehab 3562ada815fSHans Verkuil void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) 3572ada815fSHans Verkuil { 3582ada815fSHans Verkuil unsigned long flags; 3592ada815fSHans Verkuil struct list_head *pos, *n; 3602ada815fSHans Verkuil struct saa7134_buf *tmp; 3612ada815fSHans Verkuil 3622ada815fSHans Verkuil spin_lock_irqsave(&dev->slock, flags); 3632ada815fSHans Verkuil list_for_each_safe(pos, n, &q->queue) { 3642ada815fSHans Verkuil tmp = list_entry(pos, struct saa7134_buf, entry); 3652d700715SJunghak Sung vb2_buffer_done(&tmp->vb2.vb2_buf, 3662d700715SJunghak Sung VB2_BUF_STATE_ERROR); 3672ada815fSHans Verkuil list_del(pos); 3682ada815fSHans Verkuil tmp = NULL; 3692ada815fSHans Verkuil } 3702ada815fSHans Verkuil spin_unlock_irqrestore(&dev->slock, flags); 3711e7126b4SKees Cook saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */ 3722ada815fSHans Verkuil } 3732ada815fSHans Verkuil EXPORT_SYMBOL_GPL(saa7134_stop_streaming); 3742ada815fSHans Verkuil 375b285192aSMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 376b285192aSMauro Carvalho Chehab 377b285192aSMauro Carvalho Chehab int saa7134_set_dmabits(struct saa7134_dev *dev) 378b285192aSMauro Carvalho Chehab { 379b285192aSMauro Carvalho Chehab u32 split, task=0, ctrl=0, irq=0; 380b285192aSMauro Carvalho Chehab enum v4l2_field cap = V4L2_FIELD_ANY; 381b285192aSMauro Carvalho Chehab enum v4l2_field ov = V4L2_FIELD_ANY; 382b285192aSMauro Carvalho Chehab 383b285192aSMauro Carvalho Chehab assert_spin_locked(&dev->slock); 384b285192aSMauro Carvalho Chehab 385b285192aSMauro Carvalho Chehab if (dev->insuspend) 386b285192aSMauro Carvalho Chehab return 0; 387b285192aSMauro Carvalho Chehab 388b285192aSMauro Carvalho Chehab /* video capture -- dma 0 + video task A */ 389b285192aSMauro Carvalho Chehab if (dev->video_q.curr) { 390b285192aSMauro Carvalho Chehab task |= 0x01; 391b285192aSMauro Carvalho Chehab ctrl |= SAA7134_MAIN_CTRL_TE0; 392b285192aSMauro Carvalho Chehab irq |= SAA7134_IRQ1_INTE_RA0_1 | 393b285192aSMauro Carvalho Chehab SAA7134_IRQ1_INTE_RA0_0; 3942ada815fSHans Verkuil cap = dev->field; 395b285192aSMauro Carvalho Chehab } 396b285192aSMauro Carvalho Chehab 397b285192aSMauro Carvalho Chehab /* video capture -- dma 1+2 (planar modes) */ 3989e534f84SHans Verkuil if (dev->video_q.curr && dev->fmt->planar) { 399b285192aSMauro Carvalho Chehab ctrl |= SAA7134_MAIN_CTRL_TE4 | 400b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE5; 401b285192aSMauro Carvalho Chehab } 402b285192aSMauro Carvalho Chehab 403b285192aSMauro Carvalho Chehab /* screen overlay -- dma 0 + video task B */ 404b285192aSMauro Carvalho Chehab if (dev->ovenable) { 405b285192aSMauro Carvalho Chehab task |= 0x10; 406b285192aSMauro Carvalho Chehab ctrl |= SAA7134_MAIN_CTRL_TE1; 407b285192aSMauro Carvalho Chehab ov = dev->ovfield; 408b285192aSMauro Carvalho Chehab } 409b285192aSMauro Carvalho Chehab 410b285192aSMauro Carvalho Chehab /* vbi capture -- dma 0 + vbi task A+B */ 411b285192aSMauro Carvalho Chehab if (dev->vbi_q.curr) { 412b285192aSMauro Carvalho Chehab task |= 0x22; 413b285192aSMauro Carvalho Chehab ctrl |= SAA7134_MAIN_CTRL_TE2 | 414b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE3; 415b285192aSMauro Carvalho Chehab irq |= SAA7134_IRQ1_INTE_RA0_7 | 416b285192aSMauro Carvalho Chehab SAA7134_IRQ1_INTE_RA0_6 | 417b285192aSMauro Carvalho Chehab SAA7134_IRQ1_INTE_RA0_5 | 418b285192aSMauro Carvalho Chehab SAA7134_IRQ1_INTE_RA0_4; 419b285192aSMauro Carvalho Chehab } 420b285192aSMauro Carvalho Chehab 421b285192aSMauro Carvalho Chehab /* audio capture -- dma 3 */ 422b285192aSMauro Carvalho Chehab if (dev->dmasound.dma_running) { 423b285192aSMauro Carvalho Chehab ctrl |= SAA7134_MAIN_CTRL_TE6; 424b285192aSMauro Carvalho Chehab irq |= SAA7134_IRQ1_INTE_RA3_1 | 425b285192aSMauro Carvalho Chehab SAA7134_IRQ1_INTE_RA3_0; 426b285192aSMauro Carvalho Chehab } 427b285192aSMauro Carvalho Chehab 428b285192aSMauro Carvalho Chehab /* TS capture -- dma 5 */ 429b285192aSMauro Carvalho Chehab if (dev->ts_q.curr) { 430b285192aSMauro Carvalho Chehab ctrl |= SAA7134_MAIN_CTRL_TE5; 431b285192aSMauro Carvalho Chehab irq |= SAA7134_IRQ1_INTE_RA2_1 | 432b285192aSMauro Carvalho Chehab SAA7134_IRQ1_INTE_RA2_0; 433b285192aSMauro Carvalho Chehab } 434b285192aSMauro Carvalho Chehab 435b285192aSMauro Carvalho Chehab /* set task conditions + field handling */ 436b285192aSMauro Carvalho Chehab if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { 437b285192aSMauro Carvalho Chehab /* default config -- use full frames */ 438b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 439b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 440b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); 441b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); 442b285192aSMauro Carvalho Chehab split = 0; 443b285192aSMauro Carvalho Chehab } else { 444b285192aSMauro Carvalho Chehab /* split fields between tasks */ 445b285192aSMauro Carvalho Chehab if (V4L2_FIELD_TOP == cap) { 446b285192aSMauro Carvalho Chehab /* odd A, even B, repeat */ 447b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 448b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); 449b285192aSMauro Carvalho Chehab } else { 450b285192aSMauro Carvalho Chehab /* odd B, even A, repeat */ 451b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); 452b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 453b285192aSMauro Carvalho Chehab } 454b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); 455b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); 456b285192aSMauro Carvalho Chehab split = 1; 457b285192aSMauro Carvalho Chehab } 458b285192aSMauro Carvalho Chehab 459b285192aSMauro Carvalho Chehab /* irqs */ 460b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_REGION_ENABLE, task); 461b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ1, irq); 462b285192aSMauro Carvalho Chehab saa_andorl(SAA7134_MAIN_CTRL, 463b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE0 | 464b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE1 | 465b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE2 | 466b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE3 | 467b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE4 | 468b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE5 | 469b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_TE6, 470b285192aSMauro Carvalho Chehab ctrl); 471c6c62cceSMauro Carvalho Chehab core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", 472b285192aSMauro Carvalho Chehab task, ctrl, irq, split ? "no" : "yes"); 473b285192aSMauro Carvalho Chehab 474b285192aSMauro Carvalho Chehab return 0; 475b285192aSMauro Carvalho Chehab } 476b285192aSMauro Carvalho Chehab 477b285192aSMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 478b285192aSMauro Carvalho Chehab /* IRQ handler + helpers */ 479b285192aSMauro Carvalho Chehab 480b285192aSMauro Carvalho Chehab static char *irqbits[] = { 481b285192aSMauro Carvalho Chehab "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", 482b285192aSMauro Carvalho Chehab "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", 483b285192aSMauro Carvalho Chehab "TRIG_ERR", "CONF_ERR", "LOAD_ERR", 484b285192aSMauro Carvalho Chehab "GPIO16", "GPIO18", "GPIO22", "GPIO23" 485b285192aSMauro Carvalho Chehab }; 486b285192aSMauro Carvalho Chehab #define IRQBITS ARRAY_SIZE(irqbits) 487b285192aSMauro Carvalho Chehab 488b285192aSMauro Carvalho Chehab static void print_irqstatus(struct saa7134_dev *dev, int loop, 489b285192aSMauro Carvalho Chehab unsigned long report, unsigned long status) 490b285192aSMauro Carvalho Chehab { 491b285192aSMauro Carvalho Chehab unsigned int i; 492b285192aSMauro Carvalho Chehab 493c6c62cceSMauro Carvalho Chehab irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx", 494c6c62cceSMauro Carvalho Chehab loop, jiffies, report, status); 495b285192aSMauro Carvalho Chehab for (i = 0; i < IRQBITS; i++) { 496b285192aSMauro Carvalho Chehab if (!(report & (1 << i))) 497b285192aSMauro Carvalho Chehab continue; 498c6c62cceSMauro Carvalho Chehab pr_cont(" %s", irqbits[i]); 499b285192aSMauro Carvalho Chehab } 500b285192aSMauro Carvalho Chehab if (report & SAA7134_IRQ_REPORT_DONE_RA0) { 501c6c62cceSMauro Carvalho Chehab pr_cont(" | RA0=%s,%s,%s,%ld", 502b285192aSMauro Carvalho Chehab (status & 0x40) ? "vbi" : "video", 503b285192aSMauro Carvalho Chehab (status & 0x20) ? "b" : "a", 504b285192aSMauro Carvalho Chehab (status & 0x10) ? "odd" : "even", 505b285192aSMauro Carvalho Chehab (status & 0x0f)); 506b285192aSMauro Carvalho Chehab } 507c6c62cceSMauro Carvalho Chehab pr_cont("\n"); 508b285192aSMauro Carvalho Chehab } 509b285192aSMauro Carvalho Chehab 510b285192aSMauro Carvalho Chehab static irqreturn_t saa7134_irq(int irq, void *dev_id) 511b285192aSMauro Carvalho Chehab { 512b285192aSMauro Carvalho Chehab struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; 513b285192aSMauro Carvalho Chehab unsigned long report,status; 514b285192aSMauro Carvalho Chehab int loop, handled = 0; 515b285192aSMauro Carvalho Chehab 516b285192aSMauro Carvalho Chehab if (dev->insuspend) 517b285192aSMauro Carvalho Chehab goto out; 518b285192aSMauro Carvalho Chehab 519b285192aSMauro Carvalho Chehab for (loop = 0; loop < 10; loop++) { 520b285192aSMauro Carvalho Chehab report = saa_readl(SAA7134_IRQ_REPORT); 521b285192aSMauro Carvalho Chehab status = saa_readl(SAA7134_IRQ_STATUS); 522b285192aSMauro Carvalho Chehab 523b285192aSMauro Carvalho Chehab /* If dmasound support is active and we get a sound report, 524b285192aSMauro Carvalho Chehab * mask out the report and let the saa7134-alsa module deal 525b285192aSMauro Carvalho Chehab * with it */ 526b285192aSMauro Carvalho Chehab if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && 527b285192aSMauro Carvalho Chehab (dev->dmasound.priv_data != NULL) ) 528b285192aSMauro Carvalho Chehab { 529c6c62cceSMauro Carvalho Chehab irq_dbg(2, "preserving DMA sound interrupt\n"); 530b285192aSMauro Carvalho Chehab report &= ~SAA7134_IRQ_REPORT_DONE_RA3; 531b285192aSMauro Carvalho Chehab } 532b285192aSMauro Carvalho Chehab 533b285192aSMauro Carvalho Chehab if (0 == report) { 534c6c62cceSMauro Carvalho Chehab irq_dbg(2, "no (more) work\n"); 535b285192aSMauro Carvalho Chehab goto out; 536b285192aSMauro Carvalho Chehab } 537b285192aSMauro Carvalho Chehab 538b285192aSMauro Carvalho Chehab handled = 1; 539b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ_REPORT,report); 540b285192aSMauro Carvalho Chehab if (irq_debug) 541b285192aSMauro Carvalho Chehab print_irqstatus(dev,loop,report,status); 542b285192aSMauro Carvalho Chehab 543b285192aSMauro Carvalho Chehab 544b285192aSMauro Carvalho Chehab if ((report & SAA7134_IRQ_REPORT_RDCAP) || 545b285192aSMauro Carvalho Chehab (report & SAA7134_IRQ_REPORT_INTL)) 546b285192aSMauro Carvalho Chehab saa7134_irq_video_signalchange(dev); 547b285192aSMauro Carvalho Chehab 548b285192aSMauro Carvalho Chehab 549b285192aSMauro Carvalho Chehab if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 550b285192aSMauro Carvalho Chehab (status & 0x60) == 0) 551b285192aSMauro Carvalho Chehab saa7134_irq_video_done(dev,status); 552b285192aSMauro Carvalho Chehab 553b285192aSMauro Carvalho Chehab if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 554b285192aSMauro Carvalho Chehab (status & 0x40) == 0x40) 555b285192aSMauro Carvalho Chehab saa7134_irq_vbi_done(dev,status); 556b285192aSMauro Carvalho Chehab 557b285192aSMauro Carvalho Chehab if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && 558452015deSHans Verkuil card_has_mpeg(dev)) { 559452015deSHans Verkuil if (dev->mops->irq_ts_done != NULL) 560452015deSHans Verkuil dev->mops->irq_ts_done(dev, status); 561452015deSHans Verkuil else 562b285192aSMauro Carvalho Chehab saa7134_irq_ts_done(dev, status); 563452015deSHans Verkuil } 564b285192aSMauro Carvalho Chehab 565b285192aSMauro Carvalho Chehab if (report & SAA7134_IRQ_REPORT_GPIO16) { 566b285192aSMauro Carvalho Chehab switch (dev->has_remote) { 567b285192aSMauro Carvalho Chehab case SAA7134_REMOTE_GPIO: 568b285192aSMauro Carvalho Chehab if (!dev->remote) 569b285192aSMauro Carvalho Chehab break; 570b285192aSMauro Carvalho Chehab if (dev->remote->mask_keydown & 0x10000) { 571b285192aSMauro Carvalho Chehab saa7134_input_irq(dev); 572b285192aSMauro Carvalho Chehab } 573b285192aSMauro Carvalho Chehab break; 574b285192aSMauro Carvalho Chehab 575b285192aSMauro Carvalho Chehab case SAA7134_REMOTE_I2C: 576b285192aSMauro Carvalho Chehab break; /* FIXME: invoke I2C get_key() */ 577b285192aSMauro Carvalho Chehab 578b285192aSMauro Carvalho Chehab default: /* GPIO16 not used by IR remote */ 579b285192aSMauro Carvalho Chehab break; 580b285192aSMauro Carvalho Chehab } 581b285192aSMauro Carvalho Chehab } 582b285192aSMauro Carvalho Chehab 583b285192aSMauro Carvalho Chehab if (report & SAA7134_IRQ_REPORT_GPIO18) { 584b285192aSMauro Carvalho Chehab switch (dev->has_remote) { 585b285192aSMauro Carvalho Chehab case SAA7134_REMOTE_GPIO: 586b285192aSMauro Carvalho Chehab if (!dev->remote) 587b285192aSMauro Carvalho Chehab break; 588b285192aSMauro Carvalho Chehab if ((dev->remote->mask_keydown & 0x40000) || 589b285192aSMauro Carvalho Chehab (dev->remote->mask_keyup & 0x40000)) { 590b285192aSMauro Carvalho Chehab saa7134_input_irq(dev); 591b285192aSMauro Carvalho Chehab } 592b285192aSMauro Carvalho Chehab break; 593b285192aSMauro Carvalho Chehab 594b285192aSMauro Carvalho Chehab case SAA7134_REMOTE_I2C: 595b285192aSMauro Carvalho Chehab break; /* FIXME: invoke I2C get_key() */ 596b285192aSMauro Carvalho Chehab 597b285192aSMauro Carvalho Chehab default: /* GPIO18 not used by IR remote */ 598b285192aSMauro Carvalho Chehab break; 599b285192aSMauro Carvalho Chehab } 600b285192aSMauro Carvalho Chehab } 601b285192aSMauro Carvalho Chehab } 602b285192aSMauro Carvalho Chehab 603b285192aSMauro Carvalho Chehab if (10 == loop) { 604b285192aSMauro Carvalho Chehab print_irqstatus(dev,loop,report,status); 605b285192aSMauro Carvalho Chehab if (report & SAA7134_IRQ_REPORT_PE) { 606b285192aSMauro Carvalho Chehab /* disable all parity error */ 607395eff95SMauro Carvalho Chehab pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n", 608395eff95SMauro Carvalho Chehab dev->name); 609b285192aSMauro Carvalho Chehab saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); 610b285192aSMauro Carvalho Chehab } else if (report & SAA7134_IRQ_REPORT_GPIO16) { 611b285192aSMauro Carvalho Chehab /* disable gpio16 IRQ */ 612395eff95SMauro Carvalho Chehab pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n", 613395eff95SMauro Carvalho Chehab dev->name); 614b285192aSMauro Carvalho Chehab saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); 615b285192aSMauro Carvalho Chehab saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); 616b285192aSMauro Carvalho Chehab } else if (report & SAA7134_IRQ_REPORT_GPIO18) { 617b285192aSMauro Carvalho Chehab /* disable gpio18 IRQs */ 618395eff95SMauro Carvalho Chehab pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n", 619395eff95SMauro Carvalho Chehab dev->name); 620b285192aSMauro Carvalho Chehab saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); 621b285192aSMauro Carvalho Chehab saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); 622b285192aSMauro Carvalho Chehab } else { 623b285192aSMauro Carvalho Chehab /* disable all irqs */ 624395eff95SMauro Carvalho Chehab pr_warn("%s/irq: looping -- clearing all enable bits\n", 625395eff95SMauro Carvalho Chehab dev->name); 626b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ1,0); 627b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ2,0); 628b285192aSMauro Carvalho Chehab } 629b285192aSMauro Carvalho Chehab } 630b285192aSMauro Carvalho Chehab 631b285192aSMauro Carvalho Chehab out: 632b285192aSMauro Carvalho Chehab return IRQ_RETVAL(handled); 633b285192aSMauro Carvalho Chehab } 634b285192aSMauro Carvalho Chehab 635b285192aSMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 636b285192aSMauro Carvalho Chehab 637b285192aSMauro Carvalho Chehab /* early init (no i2c, no irq) */ 638b285192aSMauro Carvalho Chehab 639b285192aSMauro Carvalho Chehab static int saa7134_hw_enable1(struct saa7134_dev *dev) 640b285192aSMauro Carvalho Chehab { 641b285192aSMauro Carvalho Chehab /* RAM FIFO config */ 642b285192aSMauro Carvalho Chehab saa_writel(SAA7134_FIFO_SIZE, 0x08070503); 643b285192aSMauro Carvalho Chehab saa_writel(SAA7134_THRESHOULD, 0x02020202); 644b285192aSMauro Carvalho Chehab 645b285192aSMauro Carvalho Chehab /* enable audio + video processing */ 646b285192aSMauro Carvalho Chehab saa_writel(SAA7134_MAIN_CTRL, 647b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_VPLLE | 648b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_APLLE | 649b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_EXOSC | 650b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_EVFE1 | 651b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_EVFE2 | 652b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_ESFE | 653b285192aSMauro Carvalho Chehab SAA7134_MAIN_CTRL_EBDAC); 654b285192aSMauro Carvalho Chehab 655b285192aSMauro Carvalho Chehab /* 656b285192aSMauro Carvalho Chehab * Initialize OSS _after_ enabling audio clock PLL and audio processing. 657b285192aSMauro Carvalho Chehab * OSS initialization writes to registers via the audio DSP; these 658b285192aSMauro Carvalho Chehab * writes will fail unless the audio clock has been started. At worst, 659b285192aSMauro Carvalho Chehab * audio will not work. 660b285192aSMauro Carvalho Chehab */ 661b285192aSMauro Carvalho Chehab 662b285192aSMauro Carvalho Chehab /* enable peripheral devices */ 663b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_SPECIAL_MODE, 0x01); 664b285192aSMauro Carvalho Chehab 665b285192aSMauro Carvalho Chehab /* set vertical line numbering start (vbi needs this) */ 666b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); 667b285192aSMauro Carvalho Chehab 668b285192aSMauro Carvalho Chehab return 0; 669b285192aSMauro Carvalho Chehab } 670b285192aSMauro Carvalho Chehab 671b285192aSMauro Carvalho Chehab static int saa7134_hwinit1(struct saa7134_dev *dev) 672b285192aSMauro Carvalho Chehab { 673c6c62cceSMauro Carvalho Chehab core_dbg("hwinit1\n"); 674b285192aSMauro Carvalho Chehab 675b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ1, 0); 676b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ2, 0); 677b285192aSMauro Carvalho Chehab 678b285192aSMauro Carvalho Chehab /* Clear any stale IRQ reports */ 679b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 680b285192aSMauro Carvalho Chehab 681b285192aSMauro Carvalho Chehab mutex_init(&dev->lock); 682b285192aSMauro Carvalho Chehab spin_lock_init(&dev->slock); 683b285192aSMauro Carvalho Chehab 684b285192aSMauro Carvalho Chehab saa7134_track_gpio(dev,"pre-init"); 685b285192aSMauro Carvalho Chehab saa7134_video_init1(dev); 686b285192aSMauro Carvalho Chehab saa7134_vbi_init1(dev); 687b285192aSMauro Carvalho Chehab if (card_has_mpeg(dev)) 688b285192aSMauro Carvalho Chehab saa7134_ts_init1(dev); 689b285192aSMauro Carvalho Chehab saa7134_input_init1(dev); 690b285192aSMauro Carvalho Chehab 691b285192aSMauro Carvalho Chehab saa7134_hw_enable1(dev); 692b285192aSMauro Carvalho Chehab 693b285192aSMauro Carvalho Chehab return 0; 694b285192aSMauro Carvalho Chehab } 695b285192aSMauro Carvalho Chehab 696b285192aSMauro Carvalho Chehab /* late init (with i2c + irq) */ 697b285192aSMauro Carvalho Chehab static int saa7134_hw_enable2(struct saa7134_dev *dev) 698b285192aSMauro Carvalho Chehab { 699b285192aSMauro Carvalho Chehab 700b285192aSMauro Carvalho Chehab unsigned int irq2_mask; 701b285192aSMauro Carvalho Chehab 702b285192aSMauro Carvalho Chehab /* enable IRQ's */ 703b285192aSMauro Carvalho Chehab irq2_mask = 704b285192aSMauro Carvalho Chehab SAA7134_IRQ2_INTE_DEC3 | 705b285192aSMauro Carvalho Chehab SAA7134_IRQ2_INTE_DEC2 | 706b285192aSMauro Carvalho Chehab SAA7134_IRQ2_INTE_DEC1 | 707b285192aSMauro Carvalho Chehab SAA7134_IRQ2_INTE_DEC0 | 708b285192aSMauro Carvalho Chehab SAA7134_IRQ2_INTE_PE | 709b285192aSMauro Carvalho Chehab SAA7134_IRQ2_INTE_AR; 710b285192aSMauro Carvalho Chehab 711b285192aSMauro Carvalho Chehab if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { 712b285192aSMauro Carvalho Chehab if (dev->remote->mask_keydown & 0x10000) 713b285192aSMauro Carvalho Chehab irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N; 714b285192aSMauro Carvalho Chehab else { /* Allow enabling both IRQ edge triggers */ 715b285192aSMauro Carvalho Chehab if (dev->remote->mask_keydown & 0x40000) 716b285192aSMauro Carvalho Chehab irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; 717b285192aSMauro Carvalho Chehab if (dev->remote->mask_keyup & 0x40000) 718b285192aSMauro Carvalho Chehab irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; 719b285192aSMauro Carvalho Chehab } 720b285192aSMauro Carvalho Chehab } 721b285192aSMauro Carvalho Chehab 722b285192aSMauro Carvalho Chehab if (dev->has_remote == SAA7134_REMOTE_I2C) { 723b285192aSMauro Carvalho Chehab request_module("ir-kbd-i2c"); 724b285192aSMauro Carvalho Chehab } 725b285192aSMauro Carvalho Chehab 726b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ1, 0); 727b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ2, irq2_mask); 728b285192aSMauro Carvalho Chehab 729b285192aSMauro Carvalho Chehab return 0; 730b285192aSMauro Carvalho Chehab } 731b285192aSMauro Carvalho Chehab 732b285192aSMauro Carvalho Chehab static int saa7134_hwinit2(struct saa7134_dev *dev) 733b285192aSMauro Carvalho Chehab { 734b285192aSMauro Carvalho Chehab 735c6c62cceSMauro Carvalho Chehab core_dbg("hwinit2\n"); 736b285192aSMauro Carvalho Chehab 737b285192aSMauro Carvalho Chehab saa7134_video_init2(dev); 738b285192aSMauro Carvalho Chehab saa7134_tvaudio_init2(dev); 739b285192aSMauro Carvalho Chehab 740b285192aSMauro Carvalho Chehab saa7134_hw_enable2(dev); 741b285192aSMauro Carvalho Chehab 742b285192aSMauro Carvalho Chehab return 0; 743b285192aSMauro Carvalho Chehab } 744b285192aSMauro Carvalho Chehab 745b285192aSMauro Carvalho Chehab 746b285192aSMauro Carvalho Chehab /* shutdown */ 747b285192aSMauro Carvalho Chehab static int saa7134_hwfini(struct saa7134_dev *dev) 748b285192aSMauro Carvalho Chehab { 749c6c62cceSMauro Carvalho Chehab core_dbg("hwfini\n"); 750b285192aSMauro Carvalho Chehab 751b285192aSMauro Carvalho Chehab if (card_has_mpeg(dev)) 752b285192aSMauro Carvalho Chehab saa7134_ts_fini(dev); 753b285192aSMauro Carvalho Chehab saa7134_input_fini(dev); 754b285192aSMauro Carvalho Chehab saa7134_vbi_fini(dev); 755b285192aSMauro Carvalho Chehab saa7134_tvaudio_fini(dev); 7569db0fb18SHans Verkuil saa7134_video_fini(dev); 757b285192aSMauro Carvalho Chehab return 0; 758b285192aSMauro Carvalho Chehab } 759b285192aSMauro Carvalho Chehab 7604c62e976SGreg Kroah-Hartman static void must_configure_manually(int has_eeprom) 761b285192aSMauro Carvalho Chehab { 762b285192aSMauro Carvalho Chehab unsigned int i,p; 763b285192aSMauro Carvalho Chehab 764b285192aSMauro Carvalho Chehab if (!has_eeprom) 765bea8630eSMauro Carvalho Chehab pr_warn("saa7134: <rant>\n" 766b285192aSMauro Carvalho Chehab "saa7134: Congratulations! Your TV card vendor saved a few\n" 767b285192aSMauro Carvalho Chehab "saa7134: cents for a eeprom, thus your pci board has no\n" 768b285192aSMauro Carvalho Chehab "saa7134: subsystem ID and I can't identify it automatically\n" 769b285192aSMauro Carvalho Chehab "saa7134: </rant>\n" 770b285192aSMauro Carvalho Chehab "saa7134: I feel better now. Ok, here are the good news:\n" 771b285192aSMauro Carvalho Chehab "saa7134: You can use the card=<nr> insmod option to specify\n" 772b285192aSMauro Carvalho Chehab "saa7134: which board do you have. The list:\n"); 773b285192aSMauro Carvalho Chehab else 774bea8630eSMauro Carvalho Chehab pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n" 775b285192aSMauro Carvalho Chehab "saa7134: insmod option to specify which board do you have, but this is\n" 776b285192aSMauro Carvalho Chehab "saa7134: somewhat risky, as might damage your card. It is better to ask\n" 777b285192aSMauro Carvalho Chehab "saa7134: for support at linux-media@vger.kernel.org.\n" 778b285192aSMauro Carvalho Chehab "saa7134: The supported cards are:\n"); 779b285192aSMauro Carvalho Chehab 780b285192aSMauro Carvalho Chehab for (i = 0; i < saa7134_bcount; i++) { 78183582009SMauro Carvalho Chehab pr_warn("saa7134: card=%d -> %-40.40s", 782b285192aSMauro Carvalho Chehab i,saa7134_boards[i].name); 783b285192aSMauro Carvalho Chehab for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { 784b285192aSMauro Carvalho Chehab if (saa7134_pci_tbl[p].driver_data != i) 785b285192aSMauro Carvalho Chehab continue; 786c6c62cceSMauro Carvalho Chehab pr_cont(" %04x:%04x", 787b285192aSMauro Carvalho Chehab saa7134_pci_tbl[p].subvendor, 788b285192aSMauro Carvalho Chehab saa7134_pci_tbl[p].subdevice); 789b285192aSMauro Carvalho Chehab } 790c6c62cceSMauro Carvalho Chehab pr_cont("\n"); 791b285192aSMauro Carvalho Chehab } 792b285192aSMauro Carvalho Chehab } 793b285192aSMauro Carvalho Chehab 794ac90aa02SMauro Carvalho Chehab static void saa7134_unregister_media_device(struct saa7134_dev *dev) 795ac90aa02SMauro Carvalho Chehab { 796ac90aa02SMauro Carvalho Chehab 797ac90aa02SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 798ac90aa02SMauro Carvalho Chehab if (!dev->media_dev) 799ac90aa02SMauro Carvalho Chehab return; 800ac90aa02SMauro Carvalho Chehab media_device_unregister(dev->media_dev); 801ac90aa02SMauro Carvalho Chehab media_device_cleanup(dev->media_dev); 802ac90aa02SMauro Carvalho Chehab kfree(dev->media_dev); 803ac90aa02SMauro Carvalho Chehab dev->media_dev = NULL; 804ac90aa02SMauro Carvalho Chehab #endif 805ac90aa02SMauro Carvalho Chehab } 806ac90aa02SMauro Carvalho Chehab 807ac90aa02SMauro Carvalho Chehab static void saa7134_media_release(struct saa7134_dev *dev) 808ac90aa02SMauro Carvalho Chehab { 809ac90aa02SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 810ac90aa02SMauro Carvalho Chehab int i; 811ac90aa02SMauro Carvalho Chehab 812ac90aa02SMauro Carvalho Chehab for (i = 0; i < SAA7134_INPUT_MAX + 1; i++) 813ac90aa02SMauro Carvalho Chehab media_device_unregister_entity(&dev->input_ent[i]); 814ac90aa02SMauro Carvalho Chehab #endif 815ac90aa02SMauro Carvalho Chehab } 816ac90aa02SMauro Carvalho Chehab 817363bdb11SArnd Bergmann #if defined(CONFIG_MEDIA_CONTROLLER) 818ac90aa02SMauro Carvalho Chehab static void saa7134_create_entities(struct saa7134_dev *dev) 819ac90aa02SMauro Carvalho Chehab { 820ac90aa02SMauro Carvalho Chehab int ret, i; 821ac90aa02SMauro Carvalho Chehab struct media_entity *entity; 822ac90aa02SMauro Carvalho Chehab struct media_entity *decoder = NULL; 823ac90aa02SMauro Carvalho Chehab 824ac90aa02SMauro Carvalho Chehab /* Check if it is using an external analog TV demod */ 825ac90aa02SMauro Carvalho Chehab media_device_for_each_entity(entity, dev->media_dev) { 82655d066a4SMauro Carvalho Chehab if (entity->function == MEDIA_ENT_F_ATV_DECODER) { 827ac90aa02SMauro Carvalho Chehab decoder = entity; 828ac90aa02SMauro Carvalho Chehab break; 829ac90aa02SMauro Carvalho Chehab } 83055d066a4SMauro Carvalho Chehab } 831ac90aa02SMauro Carvalho Chehab 832ac90aa02SMauro Carvalho Chehab /* 833ac90aa02SMauro Carvalho Chehab * saa713x is not using an external ATV demod. 834ac90aa02SMauro Carvalho Chehab * Register the internal one 835ac90aa02SMauro Carvalho Chehab */ 836ac90aa02SMauro Carvalho Chehab if (!decoder) { 837ac90aa02SMauro Carvalho Chehab dev->demod.name = "saa713x"; 8383aa13787SMauro Carvalho Chehab dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 8393aa13787SMauro Carvalho Chehab dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG; 8403aa13787SMauro Carvalho Chehab dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 8413aa13787SMauro Carvalho Chehab dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV; 842ac90aa02SMauro Carvalho Chehab dev->demod.function = MEDIA_ENT_F_ATV_DECODER; 843ac90aa02SMauro Carvalho Chehab 8443aa13787SMauro Carvalho Chehab ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS, 845ac90aa02SMauro Carvalho Chehab dev->demod_pad); 846ac90aa02SMauro Carvalho Chehab if (ret < 0) 847ac90aa02SMauro Carvalho Chehab pr_err("failed to initialize demod pad!\n"); 848ac90aa02SMauro Carvalho Chehab 849ac90aa02SMauro Carvalho Chehab ret = media_device_register_entity(dev->media_dev, &dev->demod); 850ac90aa02SMauro Carvalho Chehab if (ret < 0) 851ac90aa02SMauro Carvalho Chehab pr_err("failed to register demod entity!\n"); 852ac90aa02SMauro Carvalho Chehab 853ac90aa02SMauro Carvalho Chehab dev->decoder = &dev->demod; 854ac90aa02SMauro Carvalho Chehab } else { 855ac90aa02SMauro Carvalho Chehab dev->decoder = decoder; 856ac90aa02SMauro Carvalho Chehab } 857ac90aa02SMauro Carvalho Chehab 858ac90aa02SMauro Carvalho Chehab /* Initialize Video, VBI and Radio pads */ 859ac90aa02SMauro Carvalho Chehab dev->video_pad.flags = MEDIA_PAD_FL_SINK; 860ac90aa02SMauro Carvalho Chehab ret = media_entity_pads_init(&dev->video_dev->entity, 1, 861ac90aa02SMauro Carvalho Chehab &dev->video_pad); 862ac90aa02SMauro Carvalho Chehab if (ret < 0) 863ac90aa02SMauro Carvalho Chehab pr_err("failed to initialize video media entity!\n"); 864ac90aa02SMauro Carvalho Chehab 865ac90aa02SMauro Carvalho Chehab dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; 866ac90aa02SMauro Carvalho Chehab ret = media_entity_pads_init(&dev->vbi_dev->entity, 1, 867ac90aa02SMauro Carvalho Chehab &dev->vbi_pad); 868ac90aa02SMauro Carvalho Chehab if (ret < 0) 869ac90aa02SMauro Carvalho Chehab pr_err("failed to initialize vbi media entity!\n"); 870ac90aa02SMauro Carvalho Chehab 871ac90aa02SMauro Carvalho Chehab /* Create entities for each input connector */ 872ac90aa02SMauro Carvalho Chehab for (i = 0; i < SAA7134_INPUT_MAX; i++) { 873ac90aa02SMauro Carvalho Chehab struct media_entity *ent = &dev->input_ent[i]; 874ac90aa02SMauro Carvalho Chehab struct saa7134_input *in = &card_in(dev, i); 875ac90aa02SMauro Carvalho Chehab 876ac90aa02SMauro Carvalho Chehab if (in->type == SAA7134_NO_INPUT) 877ac90aa02SMauro Carvalho Chehab break; 878ac90aa02SMauro Carvalho Chehab 879ac90aa02SMauro Carvalho Chehab /* This input uses the S-Video connector */ 880ac90aa02SMauro Carvalho Chehab if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO) 881ac90aa02SMauro Carvalho Chehab continue; 882ac90aa02SMauro Carvalho Chehab 883ac90aa02SMauro Carvalho Chehab ent->name = saa7134_input_name[in->type]; 884ac90aa02SMauro Carvalho Chehab ent->flags = MEDIA_ENT_FL_CONNECTOR; 885ac90aa02SMauro Carvalho Chehab dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 886ac90aa02SMauro Carvalho Chehab 887ac90aa02SMauro Carvalho Chehab switch (in->type) { 888ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_COMPOSITE: 889ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_COMPOSITE0: 890ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_COMPOSITE1: 891ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_COMPOSITE2: 892ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_COMPOSITE3: 893ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_COMPOSITE4: 894ac90aa02SMauro Carvalho Chehab ent->function = MEDIA_ENT_F_CONN_COMPOSITE; 895ac90aa02SMauro Carvalho Chehab break; 896ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_SVIDEO: 897ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_SVIDEO0: 898ac90aa02SMauro Carvalho Chehab case SAA7134_INPUT_SVIDEO1: 899ac90aa02SMauro Carvalho Chehab ent->function = MEDIA_ENT_F_CONN_SVIDEO; 900ac90aa02SMauro Carvalho Chehab break; 901ac90aa02SMauro Carvalho Chehab default: 902ac90aa02SMauro Carvalho Chehab /* 903ac90aa02SMauro Carvalho Chehab * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO. 904ac90aa02SMauro Carvalho Chehab * 905ac90aa02SMauro Carvalho Chehab * Please notice that neither SAA7134_INPUT_MUTE or 906ac90aa02SMauro Carvalho Chehab * SAA7134_INPUT_RADIO are defined at 907ac90aa02SMauro Carvalho Chehab * saa7134_board.input. 908ac90aa02SMauro Carvalho Chehab */ 909ac90aa02SMauro Carvalho Chehab ent->function = MEDIA_ENT_F_CONN_RF; 910ac90aa02SMauro Carvalho Chehab break; 911ac90aa02SMauro Carvalho Chehab } 912ac90aa02SMauro Carvalho Chehab 913ac90aa02SMauro Carvalho Chehab ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 914ac90aa02SMauro Carvalho Chehab if (ret < 0) 915ac90aa02SMauro Carvalho Chehab pr_err("failed to initialize input pad[%d]!\n", i); 916ac90aa02SMauro Carvalho Chehab 917ac90aa02SMauro Carvalho Chehab ret = media_device_register_entity(dev->media_dev, ent); 918ac90aa02SMauro Carvalho Chehab if (ret < 0) 919ac90aa02SMauro Carvalho Chehab pr_err("failed to register input entity %d!\n", i); 920ac90aa02SMauro Carvalho Chehab } 921ac90aa02SMauro Carvalho Chehab 922ac90aa02SMauro Carvalho Chehab /* Create input for Radio RF connector */ 923ac90aa02SMauro Carvalho Chehab if (card_has_radio(dev)) { 924ac90aa02SMauro Carvalho Chehab struct saa7134_input *in = &saa7134_boards[dev->board].radio; 925ac90aa02SMauro Carvalho Chehab struct media_entity *ent = &dev->input_ent[i]; 926ac90aa02SMauro Carvalho Chehab 927ac90aa02SMauro Carvalho Chehab ent->name = saa7134_input_name[in->type]; 928ac90aa02SMauro Carvalho Chehab ent->flags = MEDIA_ENT_FL_CONNECTOR; 929ac90aa02SMauro Carvalho Chehab dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 930ac90aa02SMauro Carvalho Chehab ent->function = MEDIA_ENT_F_CONN_RF; 931ac90aa02SMauro Carvalho Chehab 932ac90aa02SMauro Carvalho Chehab ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 933ac90aa02SMauro Carvalho Chehab if (ret < 0) 934ac90aa02SMauro Carvalho Chehab pr_err("failed to initialize input pad[%d]!\n", i); 935ac90aa02SMauro Carvalho Chehab 936ac90aa02SMauro Carvalho Chehab ret = media_device_register_entity(dev->media_dev, ent); 937ac90aa02SMauro Carvalho Chehab if (ret < 0) 938ac90aa02SMauro Carvalho Chehab pr_err("failed to register input entity %d!\n", i); 939ac90aa02SMauro Carvalho Chehab } 940ac90aa02SMauro Carvalho Chehab } 941363bdb11SArnd Bergmann #endif 942ac90aa02SMauro Carvalho Chehab 943b285192aSMauro Carvalho Chehab static struct video_device *vdev_init(struct saa7134_dev *dev, 944b285192aSMauro Carvalho Chehab struct video_device *template, 945b285192aSMauro Carvalho Chehab char *type) 946b285192aSMauro Carvalho Chehab { 947b285192aSMauro Carvalho Chehab struct video_device *vfd; 948b285192aSMauro Carvalho Chehab 949b285192aSMauro Carvalho Chehab vfd = video_device_alloc(); 950b285192aSMauro Carvalho Chehab if (NULL == vfd) 951b285192aSMauro Carvalho Chehab return NULL; 952b285192aSMauro Carvalho Chehab *vfd = *template; 953b285192aSMauro Carvalho Chehab vfd->v4l2_dev = &dev->v4l2_dev; 954b285192aSMauro Carvalho Chehab vfd->release = video_device_release; 955b285192aSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 956b285192aSMauro Carvalho Chehab dev->name, type, saa7134_boards[dev->board].name); 957b285192aSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 958b285192aSMauro Carvalho Chehab return vfd; 959b285192aSMauro Carvalho Chehab } 960b285192aSMauro Carvalho Chehab 961b285192aSMauro Carvalho Chehab static void saa7134_unregister_video(struct saa7134_dev *dev) 962b285192aSMauro Carvalho Chehab { 963ac90aa02SMauro Carvalho Chehab saa7134_media_release(dev); 964ac90aa02SMauro Carvalho Chehab 965b285192aSMauro Carvalho Chehab if (dev->video_dev) { 966b285192aSMauro Carvalho Chehab if (video_is_registered(dev->video_dev)) 96711788d9bSHans Verkuil vb2_video_unregister_device(dev->video_dev); 968b285192aSMauro Carvalho Chehab else 969b285192aSMauro Carvalho Chehab video_device_release(dev->video_dev); 970b285192aSMauro Carvalho Chehab dev->video_dev = NULL; 971b285192aSMauro Carvalho Chehab } 972b285192aSMauro Carvalho Chehab if (dev->vbi_dev) { 973b285192aSMauro Carvalho Chehab if (video_is_registered(dev->vbi_dev)) 97411788d9bSHans Verkuil vb2_video_unregister_device(dev->vbi_dev); 975b285192aSMauro Carvalho Chehab else 976b285192aSMauro Carvalho Chehab video_device_release(dev->vbi_dev); 977b285192aSMauro Carvalho Chehab dev->vbi_dev = NULL; 978b285192aSMauro Carvalho Chehab } 979b285192aSMauro Carvalho Chehab if (dev->radio_dev) { 980b285192aSMauro Carvalho Chehab if (video_is_registered(dev->radio_dev)) 981*bc7635c6STasos Sahanidis video_unregister_device(dev->radio_dev); 982b285192aSMauro Carvalho Chehab else 983b285192aSMauro Carvalho Chehab video_device_release(dev->radio_dev); 984b285192aSMauro Carvalho Chehab dev->radio_dev = NULL; 985b285192aSMauro Carvalho Chehab } 986b285192aSMauro Carvalho Chehab } 987b285192aSMauro Carvalho Chehab 988b285192aSMauro Carvalho Chehab static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, 989b285192aSMauro Carvalho Chehab struct saa7134_dev *dev) 990b285192aSMauro Carvalho Chehab { 991b285192aSMauro Carvalho Chehab int err; 992b285192aSMauro Carvalho Chehab 993b285192aSMauro Carvalho Chehab if (NULL != dev->mops) 994b285192aSMauro Carvalho Chehab return; 995b285192aSMauro Carvalho Chehab if (saa7134_boards[dev->board].mpeg != ops->type) 996b285192aSMauro Carvalho Chehab return; 997b285192aSMauro Carvalho Chehab err = ops->init(dev); 998b285192aSMauro Carvalho Chehab if (0 != err) 999b285192aSMauro Carvalho Chehab return; 1000b285192aSMauro Carvalho Chehab dev->mops = ops; 1001b285192aSMauro Carvalho Chehab } 1002b285192aSMauro Carvalho Chehab 1003b285192aSMauro Carvalho Chehab static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, 1004b285192aSMauro Carvalho Chehab struct saa7134_dev *dev) 1005b285192aSMauro Carvalho Chehab { 1006b285192aSMauro Carvalho Chehab if (NULL == dev->mops) 1007b285192aSMauro Carvalho Chehab return; 1008b285192aSMauro Carvalho Chehab if (dev->mops != ops) 1009b285192aSMauro Carvalho Chehab return; 1010b285192aSMauro Carvalho Chehab dev->mops->fini(dev); 1011b285192aSMauro Carvalho Chehab dev->mops = NULL; 1012b285192aSMauro Carvalho Chehab } 1013b285192aSMauro Carvalho Chehab 10144c62e976SGreg Kroah-Hartman static int saa7134_initdev(struct pci_dev *pci_dev, 1015b285192aSMauro Carvalho Chehab const struct pci_device_id *pci_id) 1016b285192aSMauro Carvalho Chehab { 1017b285192aSMauro Carvalho Chehab struct saa7134_dev *dev; 1018b285192aSMauro Carvalho Chehab struct saa7134_mpeg_ops *mops; 1019b285192aSMauro Carvalho Chehab int err; 1020b285192aSMauro Carvalho Chehab 1021b285192aSMauro Carvalho Chehab if (saa7134_devcount == SAA7134_MAXBOARDS) 1022b285192aSMauro Carvalho Chehab return -ENOMEM; 1023b285192aSMauro Carvalho Chehab 1024b285192aSMauro Carvalho Chehab dev = kzalloc(sizeof(*dev),GFP_KERNEL); 1025b285192aSMauro Carvalho Chehab if (NULL == dev) 1026b285192aSMauro Carvalho Chehab return -ENOMEM; 1027b285192aSMauro Carvalho Chehab 1028ac90aa02SMauro Carvalho Chehab dev->nr = saa7134_devcount; 1029ac90aa02SMauro Carvalho Chehab sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr); 1030ac90aa02SMauro Carvalho Chehab 1031ac90aa02SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 10326cf5dad1SMauro Carvalho Chehab dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL); 1033ac90aa02SMauro Carvalho Chehab if (!dev->media_dev) { 1034ac90aa02SMauro Carvalho Chehab err = -ENOMEM; 10357f9197f1SMauro Carvalho Chehab goto err_free_dev; 1036ac90aa02SMauro Carvalho Chehab } 10376cf5dad1SMauro Carvalho Chehab media_device_pci_init(dev->media_dev, pci_dev, dev->name); 1038ac90aa02SMauro Carvalho Chehab dev->v4l2_dev.mdev = dev->media_dev; 1039ac90aa02SMauro Carvalho Chehab #endif 1040ac90aa02SMauro Carvalho Chehab 1041b285192aSMauro Carvalho Chehab err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); 1042b285192aSMauro Carvalho Chehab if (err) 10437f9197f1SMauro Carvalho Chehab goto err_free_dev; 1044b285192aSMauro Carvalho Chehab 1045b285192aSMauro Carvalho Chehab /* pci init */ 1046b285192aSMauro Carvalho Chehab dev->pci = pci_dev; 1047b285192aSMauro Carvalho Chehab if (pci_enable_device(pci_dev)) { 1048b285192aSMauro Carvalho Chehab err = -EIO; 10497f9197f1SMauro Carvalho Chehab goto err_v4l2_unregister; 1050b285192aSMauro Carvalho Chehab } 1051b285192aSMauro Carvalho Chehab 1052b285192aSMauro Carvalho Chehab /* pci quirks */ 1053b285192aSMauro Carvalho Chehab if (pci_pci_problems) { 1054b285192aSMauro Carvalho Chehab if (pci_pci_problems & PCIPCI_TRITON) 105583582009SMauro Carvalho Chehab pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name); 1056b285192aSMauro Carvalho Chehab if (pci_pci_problems & PCIPCI_NATOMA) 105783582009SMauro Carvalho Chehab pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name); 1058b285192aSMauro Carvalho Chehab if (pci_pci_problems & PCIPCI_VIAETBF) 105983582009SMauro Carvalho Chehab pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name); 1060b285192aSMauro Carvalho Chehab if (pci_pci_problems & PCIPCI_VSFX) 106183582009SMauro Carvalho Chehab pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name); 1062b285192aSMauro Carvalho Chehab #ifdef PCIPCI_ALIMAGIK 1063b285192aSMauro Carvalho Chehab if (pci_pci_problems & PCIPCI_ALIMAGIK) { 106483582009SMauro Carvalho Chehab pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", 1065b285192aSMauro Carvalho Chehab dev->name); 1066b285192aSMauro Carvalho Chehab latency = 0x0A; 1067b285192aSMauro Carvalho Chehab } 1068b285192aSMauro Carvalho Chehab #endif 1069b285192aSMauro Carvalho Chehab if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { 1070395eff95SMauro Carvalho Chehab pr_info("%s: quirk: this driver and your chipset may not work together in overlay mode.\n", 1071395eff95SMauro Carvalho Chehab dev->name); 1072b285192aSMauro Carvalho Chehab if (!saa7134_no_overlay) { 1073395eff95SMauro Carvalho Chehab pr_info("%s: quirk: overlay mode will be disabled.\n", 1074b285192aSMauro Carvalho Chehab dev->name); 1075b285192aSMauro Carvalho Chehab saa7134_no_overlay = 1; 1076b285192aSMauro Carvalho Chehab } else { 1077395eff95SMauro Carvalho Chehab pr_info("%s: quirk: overlay mode will be forced. Use this option at your own risk.\n", 1078b285192aSMauro Carvalho Chehab dev->name); 1079b285192aSMauro Carvalho Chehab } 1080b285192aSMauro Carvalho Chehab } 1081b285192aSMauro Carvalho Chehab } 1082b285192aSMauro Carvalho Chehab if (UNSET != latency) { 108383582009SMauro Carvalho Chehab pr_info("%s: setting pci latency timer to %d\n", 1084b285192aSMauro Carvalho Chehab dev->name,latency); 1085b285192aSMauro Carvalho Chehab pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 1086b285192aSMauro Carvalho Chehab } 1087b285192aSMauro Carvalho Chehab 1088b285192aSMauro Carvalho Chehab /* print pci info */ 1089b285192aSMauro Carvalho Chehab dev->pci_rev = pci_dev->revision; 1090b285192aSMauro Carvalho Chehab pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 1091395eff95SMauro Carvalho Chehab pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n", 1092395eff95SMauro Carvalho Chehab dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 1093395eff95SMauro Carvalho Chehab dev->pci_lat, 1094395eff95SMauro Carvalho Chehab (unsigned long long)pci_resource_start(pci_dev, 0)); 1095b285192aSMauro Carvalho Chehab pci_set_master(pci_dev); 1096bc3db19fSChristophe JAILLET err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32)); 10971a47de6eSChristoph Hellwig if (err) { 109851626557SMauro Carvalho Chehab pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name); 10997f9197f1SMauro Carvalho Chehab goto err_v4l2_unregister; 1100b285192aSMauro Carvalho Chehab } 1101b285192aSMauro Carvalho Chehab 1102b285192aSMauro Carvalho Chehab /* board config */ 1103b285192aSMauro Carvalho Chehab dev->board = pci_id->driver_data; 11043eeba4a7SMauro Carvalho Chehab if ((unsigned)card[dev->nr] < saa7134_bcount) 1105b285192aSMauro Carvalho Chehab dev->board = card[dev->nr]; 1106b285192aSMauro Carvalho Chehab if (SAA7134_BOARD_UNKNOWN == dev->board) 1107b285192aSMauro Carvalho Chehab must_configure_manually(0); 1108b285192aSMauro Carvalho Chehab else if (SAA7134_BOARD_NOAUTO == dev->board) { 1109b285192aSMauro Carvalho Chehab must_configure_manually(1); 1110b285192aSMauro Carvalho Chehab dev->board = SAA7134_BOARD_UNKNOWN; 1111b285192aSMauro Carvalho Chehab } 1112b285192aSMauro Carvalho Chehab dev->autodetected = card[dev->nr] != dev->board; 1113b285192aSMauro Carvalho Chehab dev->tuner_type = saa7134_boards[dev->board].tuner_type; 1114b285192aSMauro Carvalho Chehab dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; 1115b285192aSMauro Carvalho Chehab dev->radio_type = saa7134_boards[dev->board].radio_type; 1116b285192aSMauro Carvalho Chehab dev->radio_addr = saa7134_boards[dev->board].radio_addr; 1117b285192aSMauro Carvalho Chehab dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; 1118b285192aSMauro Carvalho Chehab if (UNSET != tuner[dev->nr]) 1119b285192aSMauro Carvalho Chehab dev->tuner_type = tuner[dev->nr]; 112083582009SMauro Carvalho Chehab pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", 1121b285192aSMauro Carvalho Chehab dev->name,pci_dev->subsystem_vendor, 1122b285192aSMauro Carvalho Chehab pci_dev->subsystem_device,saa7134_boards[dev->board].name, 1123b285192aSMauro Carvalho Chehab dev->board, dev->autodetected ? 1124b285192aSMauro Carvalho Chehab "autodetected" : "insmod option"); 1125b285192aSMauro Carvalho Chehab 1126b285192aSMauro Carvalho Chehab /* get mmio */ 1127b285192aSMauro Carvalho Chehab if (!request_mem_region(pci_resource_start(pci_dev,0), 1128b285192aSMauro Carvalho Chehab pci_resource_len(pci_dev,0), 1129b285192aSMauro Carvalho Chehab dev->name)) { 1130b285192aSMauro Carvalho Chehab err = -EBUSY; 113183582009SMauro Carvalho Chehab pr_err("%s: can't get MMIO memory @ 0x%llx\n", 1132b285192aSMauro Carvalho Chehab dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); 11337f9197f1SMauro Carvalho Chehab goto err_v4l2_unregister; 1134b285192aSMauro Carvalho Chehab } 1135b285192aSMauro Carvalho Chehab dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), 1136b285192aSMauro Carvalho Chehab pci_resource_len(pci_dev, 0)); 1137b285192aSMauro Carvalho Chehab dev->bmmio = (__u8 __iomem *)dev->lmmio; 1138b285192aSMauro Carvalho Chehab if (NULL == dev->lmmio) { 1139b285192aSMauro Carvalho Chehab err = -EIO; 114083582009SMauro Carvalho Chehab pr_err("%s: can't ioremap() MMIO memory\n", 1141b285192aSMauro Carvalho Chehab dev->name); 11427f9197f1SMauro Carvalho Chehab goto err_release_mem_reg; 1143b285192aSMauro Carvalho Chehab } 1144b285192aSMauro Carvalho Chehab 1145b285192aSMauro Carvalho Chehab /* initialize hardware #1 */ 1146b285192aSMauro Carvalho Chehab saa7134_board_init1(dev); 1147b285192aSMauro Carvalho Chehab saa7134_hwinit1(dev); 1148b285192aSMauro Carvalho Chehab 1149b285192aSMauro Carvalho Chehab /* get irq */ 1150b285192aSMauro Carvalho Chehab err = request_irq(pci_dev->irq, saa7134_irq, 11513e018fe4SMichael Opdenacker IRQF_SHARED, dev->name, dev); 1152b285192aSMauro Carvalho Chehab if (err < 0) { 115383582009SMauro Carvalho Chehab pr_err("%s: can't get IRQ %d\n", 1154b285192aSMauro Carvalho Chehab dev->name,pci_dev->irq); 11557f9197f1SMauro Carvalho Chehab goto err_iounmap; 1156b285192aSMauro Carvalho Chehab } 1157b285192aSMauro Carvalho Chehab 1158b285192aSMauro Carvalho Chehab /* wait a bit, register i2c bus */ 1159b285192aSMauro Carvalho Chehab msleep(100); 1160b285192aSMauro Carvalho Chehab saa7134_i2c_register(dev); 1161b285192aSMauro Carvalho Chehab saa7134_board_init2(dev); 1162b285192aSMauro Carvalho Chehab 1163b285192aSMauro Carvalho Chehab saa7134_hwinit2(dev); 1164b285192aSMauro Carvalho Chehab 1165b285192aSMauro Carvalho Chehab /* load i2c helpers */ 1166b285192aSMauro Carvalho Chehab if (card_is_empress(dev)) { 1167718bde1aSHans Verkuil dev->empress_sd = 1168b285192aSMauro Carvalho Chehab v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 1169b285192aSMauro Carvalho Chehab "saa6752hs", 1170b285192aSMauro Carvalho Chehab saa7134_boards[dev->board].empress_addr, NULL); 1171b285192aSMauro Carvalho Chehab 1172718bde1aSHans Verkuil if (dev->empress_sd) 1173718bde1aSHans Verkuil dev->empress_sd->grp_id = GRP_EMPRESS; 1174b285192aSMauro Carvalho Chehab } 1175b285192aSMauro Carvalho Chehab 1176b285192aSMauro Carvalho Chehab if (saa7134_boards[dev->board].rds_addr) { 1177b285192aSMauro Carvalho Chehab struct v4l2_subdev *sd; 1178b285192aSMauro Carvalho Chehab 1179b285192aSMauro Carvalho Chehab sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1180b285192aSMauro Carvalho Chehab &dev->i2c_adap, "saa6588", 1181b285192aSMauro Carvalho Chehab 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); 1182b285192aSMauro Carvalho Chehab if (sd) { 118383582009SMauro Carvalho Chehab pr_info("%s: found RDS decoder\n", dev->name); 1184b285192aSMauro Carvalho Chehab dev->has_rds = 1; 1185b285192aSMauro Carvalho Chehab } 1186b285192aSMauro Carvalho Chehab } 1187b285192aSMauro Carvalho Chehab 1188b285192aSMauro Carvalho Chehab mutex_lock(&saa7134_devlist_lock); 1189b285192aSMauro Carvalho Chehab list_for_each_entry(mops, &mops_list, next) 1190b285192aSMauro Carvalho Chehab mpeg_ops_attach(mops, dev); 1191b285192aSMauro Carvalho Chehab list_add_tail(&dev->devlist, &saa7134_devlist); 1192b285192aSMauro Carvalho Chehab mutex_unlock(&saa7134_devlist_lock); 1193b285192aSMauro Carvalho Chehab 1194b285192aSMauro Carvalho Chehab /* check for signal */ 1195b285192aSMauro Carvalho Chehab saa7134_irq_video_signalchange(dev); 1196b285192aSMauro Carvalho Chehab 1197b285192aSMauro Carvalho Chehab if (TUNER_ABSENT != dev->tuner_type) 1198b285192aSMauro Carvalho Chehab saa_call_all(dev, core, s_power, 0); 1199b285192aSMauro Carvalho Chehab 1200b285192aSMauro Carvalho Chehab /* register v4l devices */ 1201b285192aSMauro Carvalho Chehab if (saa7134_no_overlay > 0) 120283582009SMauro Carvalho Chehab pr_info("%s: Overlay support disabled.\n", dev->name); 1203b285192aSMauro Carvalho Chehab 1204b285192aSMauro Carvalho Chehab dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); 1205718bde1aSHans Verkuil dev->video_dev->ctrl_handler = &dev->ctrl_handler; 12062ada815fSHans Verkuil dev->video_dev->lock = &dev->lock; 12072ada815fSHans Verkuil dev->video_dev->queue = &dev->video_vbq; 120821615365SHans Verkuil dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 120921615365SHans Verkuil V4L2_CAP_VIDEO_CAPTURE; 121021615365SHans Verkuil if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 121121615365SHans Verkuil dev->video_dev->device_caps |= V4L2_CAP_TUNER; 121221615365SHans Verkuil 121321615365SHans Verkuil if (saa7134_no_overlay <= 0) 121421615365SHans Verkuil dev->video_dev->device_caps |= V4L2_CAP_VIDEO_OVERLAY; 121521615365SHans Verkuil 12163e30a927SHans Verkuil err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO, 1217b285192aSMauro Carvalho Chehab video_nr[dev->nr]); 1218b285192aSMauro Carvalho Chehab if (err < 0) { 121983582009SMauro Carvalho Chehab pr_info("%s: can't register video device\n", 1220b285192aSMauro Carvalho Chehab dev->name); 12217f9197f1SMauro Carvalho Chehab goto err_unregister_video; 1222b285192aSMauro Carvalho Chehab } 122383582009SMauro Carvalho Chehab pr_info("%s: registered device %s [v4l2]\n", 1224b285192aSMauro Carvalho Chehab dev->name, video_device_node_name(dev->video_dev)); 1225b285192aSMauro Carvalho Chehab 1226b285192aSMauro Carvalho Chehab dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); 1227718bde1aSHans Verkuil dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; 12282ada815fSHans Verkuil dev->vbi_dev->lock = &dev->lock; 12292ada815fSHans Verkuil dev->vbi_dev->queue = &dev->vbi_vbq; 123021615365SHans Verkuil dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 123121615365SHans Verkuil V4L2_CAP_VBI_CAPTURE; 123221615365SHans Verkuil if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 123321615365SHans Verkuil dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; 1234b285192aSMauro Carvalho Chehab 1235b285192aSMauro Carvalho Chehab err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1236b285192aSMauro Carvalho Chehab vbi_nr[dev->nr]); 1237b285192aSMauro Carvalho Chehab if (err < 0) 12387f9197f1SMauro Carvalho Chehab goto err_unregister_video; 123983582009SMauro Carvalho Chehab pr_info("%s: registered device %s\n", 1240b285192aSMauro Carvalho Chehab dev->name, video_device_node_name(dev->vbi_dev)); 1241b285192aSMauro Carvalho Chehab 1242b285192aSMauro Carvalho Chehab if (card_has_radio(dev)) { 1243b285192aSMauro Carvalho Chehab dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); 1244718bde1aSHans Verkuil dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; 12452ada815fSHans Verkuil dev->radio_dev->lock = &dev->lock; 124621615365SHans Verkuil dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 124721615365SHans Verkuil if (dev->has_rds) 124821615365SHans Verkuil dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE; 1249b285192aSMauro Carvalho Chehab err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1250b285192aSMauro Carvalho Chehab radio_nr[dev->nr]); 1251b285192aSMauro Carvalho Chehab if (err < 0) 12527f9197f1SMauro Carvalho Chehab goto err_unregister_video; 125383582009SMauro Carvalho Chehab pr_info("%s: registered device %s\n", 1254b285192aSMauro Carvalho Chehab dev->name, video_device_node_name(dev->radio_dev)); 1255b285192aSMauro Carvalho Chehab } 1256b285192aSMauro Carvalho Chehab 1257ac90aa02SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 1258ac90aa02SMauro Carvalho Chehab saa7134_create_entities(dev); 1259ac90aa02SMauro Carvalho Chehab 1260ac90aa02SMauro Carvalho Chehab err = v4l2_mc_create_media_graph(dev->media_dev); 1261ac90aa02SMauro Carvalho Chehab if (err) { 1262ac90aa02SMauro Carvalho Chehab pr_err("failed to create media graph\n"); 12637f9197f1SMauro Carvalho Chehab goto err_unregister_video; 1264ac90aa02SMauro Carvalho Chehab } 1265ac90aa02SMauro Carvalho Chehab #endif 1266b285192aSMauro Carvalho Chehab /* everything worked */ 1267b285192aSMauro Carvalho Chehab saa7134_devcount++; 1268b285192aSMauro Carvalho Chehab 1269b285192aSMauro Carvalho Chehab if (saa7134_dmasound_init && !dev->dmasound.priv_data) 1270b285192aSMauro Carvalho Chehab saa7134_dmasound_init(dev); 1271b285192aSMauro Carvalho Chehab 1272b285192aSMauro Carvalho Chehab request_submodules(dev); 1273ac90aa02SMauro Carvalho Chehab 1274ac90aa02SMauro Carvalho Chehab /* 1275ac90aa02SMauro Carvalho Chehab * Do it at the end, to reduce dynamic configuration changes during 1276ac90aa02SMauro Carvalho Chehab * the device init. Yet, as request_modules() can be async, the 1277ac90aa02SMauro Carvalho Chehab * topology will likely change after load the saa7134 subdrivers. 1278ac90aa02SMauro Carvalho Chehab */ 1279ac90aa02SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 1280ac90aa02SMauro Carvalho Chehab err = media_device_register(dev->media_dev); 1281235406dcSMauro Carvalho Chehab if (err) { 1282235406dcSMauro Carvalho Chehab media_device_cleanup(dev->media_dev); 12837f9197f1SMauro Carvalho Chehab goto err_unregister_video; 1284235406dcSMauro Carvalho Chehab } 1285ac90aa02SMauro Carvalho Chehab #endif 1286ac90aa02SMauro Carvalho Chehab 1287b285192aSMauro Carvalho Chehab return 0; 1288b285192aSMauro Carvalho Chehab 12897f9197f1SMauro Carvalho Chehab err_unregister_video: 1290b285192aSMauro Carvalho Chehab saa7134_unregister_video(dev); 1291235406dcSMauro Carvalho Chehab list_del(&dev->devlist); 1292b285192aSMauro Carvalho Chehab saa7134_i2c_unregister(dev); 1293b285192aSMauro Carvalho Chehab free_irq(pci_dev->irq, dev); 12947f9197f1SMauro Carvalho Chehab err_iounmap: 1295b285192aSMauro Carvalho Chehab saa7134_hwfini(dev); 1296b285192aSMauro Carvalho Chehab iounmap(dev->lmmio); 12977f9197f1SMauro Carvalho Chehab err_release_mem_reg: 1298b285192aSMauro Carvalho Chehab release_mem_region(pci_resource_start(pci_dev,0), 1299b285192aSMauro Carvalho Chehab pci_resource_len(pci_dev,0)); 13007f9197f1SMauro Carvalho Chehab err_v4l2_unregister: 1301b285192aSMauro Carvalho Chehab v4l2_device_unregister(&dev->v4l2_dev); 13027f9197f1SMauro Carvalho Chehab err_free_dev: 1303ac90aa02SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 1304ac90aa02SMauro Carvalho Chehab kfree(dev->media_dev); 1305ac90aa02SMauro Carvalho Chehab #endif 1306b285192aSMauro Carvalho Chehab kfree(dev); 1307b285192aSMauro Carvalho Chehab return err; 1308b285192aSMauro Carvalho Chehab } 1309b285192aSMauro Carvalho Chehab 13104c62e976SGreg Kroah-Hartman static void saa7134_finidev(struct pci_dev *pci_dev) 1311b285192aSMauro Carvalho Chehab { 1312b285192aSMauro Carvalho Chehab struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1313b285192aSMauro Carvalho Chehab struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1314b285192aSMauro Carvalho Chehab struct saa7134_mpeg_ops *mops; 1315b285192aSMauro Carvalho Chehab 1316b285192aSMauro Carvalho Chehab flush_request_submodules(dev); 1317b285192aSMauro Carvalho Chehab 1318b285192aSMauro Carvalho Chehab /* Release DMA sound modules if present */ 1319b285192aSMauro Carvalho Chehab if (saa7134_dmasound_exit && dev->dmasound.priv_data) { 1320b285192aSMauro Carvalho Chehab saa7134_dmasound_exit(dev); 1321b285192aSMauro Carvalho Chehab } 1322b285192aSMauro Carvalho Chehab 1323b285192aSMauro Carvalho Chehab /* debugging ... */ 1324b285192aSMauro Carvalho Chehab if (irq_debug) { 1325b285192aSMauro Carvalho Chehab u32 report = saa_readl(SAA7134_IRQ_REPORT); 1326b285192aSMauro Carvalho Chehab u32 status = saa_readl(SAA7134_IRQ_STATUS); 1327b285192aSMauro Carvalho Chehab print_irqstatus(dev,42,report,status); 1328b285192aSMauro Carvalho Chehab } 1329b285192aSMauro Carvalho Chehab 1330b285192aSMauro Carvalho Chehab /* disable peripheral devices */ 1331b285192aSMauro Carvalho Chehab saa_writeb(SAA7134_SPECIAL_MODE,0); 1332b285192aSMauro Carvalho Chehab 1333b285192aSMauro Carvalho Chehab /* shutdown hardware */ 1334b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ1,0); 1335b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ2,0); 1336b285192aSMauro Carvalho Chehab saa_writel(SAA7134_MAIN_CTRL,0); 1337b285192aSMauro Carvalho Chehab 1338b285192aSMauro Carvalho Chehab /* shutdown subsystems */ 1339b285192aSMauro Carvalho Chehab saa7134_hwfini(dev); 1340b285192aSMauro Carvalho Chehab 1341b285192aSMauro Carvalho Chehab /* unregister */ 1342b285192aSMauro Carvalho Chehab mutex_lock(&saa7134_devlist_lock); 1343b285192aSMauro Carvalho Chehab list_del(&dev->devlist); 1344b285192aSMauro Carvalho Chehab list_for_each_entry(mops, &mops_list, next) 1345b285192aSMauro Carvalho Chehab mpeg_ops_detach(mops, dev); 1346b285192aSMauro Carvalho Chehab mutex_unlock(&saa7134_devlist_lock); 1347b285192aSMauro Carvalho Chehab saa7134_devcount--; 1348b285192aSMauro Carvalho Chehab 1349b285192aSMauro Carvalho Chehab saa7134_i2c_unregister(dev); 1350b285192aSMauro Carvalho Chehab saa7134_unregister_video(dev); 1351b285192aSMauro Carvalho Chehab 1352b285192aSMauro Carvalho Chehab 1353b285192aSMauro Carvalho Chehab /* the DMA sound modules should be unloaded before reaching 1354b285192aSMauro Carvalho Chehab this, but just in case they are still present... */ 1355b285192aSMauro Carvalho Chehab if (dev->dmasound.priv_data != NULL) { 1356b285192aSMauro Carvalho Chehab free_irq(pci_dev->irq, &dev->dmasound); 1357b285192aSMauro Carvalho Chehab dev->dmasound.priv_data = NULL; 1358b285192aSMauro Carvalho Chehab } 1359b285192aSMauro Carvalho Chehab 1360b285192aSMauro Carvalho Chehab 1361b285192aSMauro Carvalho Chehab /* release resources */ 1362b285192aSMauro Carvalho Chehab free_irq(pci_dev->irq, dev); 1363b285192aSMauro Carvalho Chehab iounmap(dev->lmmio); 1364b285192aSMauro Carvalho Chehab release_mem_region(pci_resource_start(pci_dev,0), 1365b285192aSMauro Carvalho Chehab pci_resource_len(pci_dev,0)); 1366b285192aSMauro Carvalho Chehab 1367b285192aSMauro Carvalho Chehab v4l2_device_unregister(&dev->v4l2_dev); 1368b285192aSMauro Carvalho Chehab 1369ac90aa02SMauro Carvalho Chehab saa7134_unregister_media_device(dev); 1370ac90aa02SMauro Carvalho Chehab 1371b285192aSMauro Carvalho Chehab /* free memory */ 1372b285192aSMauro Carvalho Chehab kfree(dev); 1373b285192aSMauro Carvalho Chehab } 1374b285192aSMauro Carvalho Chehab 1375b285192aSMauro Carvalho Chehab /* resends a current buffer in queue after resume */ 1376c8872483SVaibhav Gupta static int __maybe_unused saa7134_buffer_requeue(struct saa7134_dev *dev, 1377b285192aSMauro Carvalho Chehab struct saa7134_dmaqueue *q) 1378b285192aSMauro Carvalho Chehab { 1379b285192aSMauro Carvalho Chehab struct saa7134_buf *buf, *next; 1380b285192aSMauro Carvalho Chehab 1381b285192aSMauro Carvalho Chehab assert_spin_locked(&dev->slock); 1382b285192aSMauro Carvalho Chehab 1383b285192aSMauro Carvalho Chehab buf = q->curr; 1384b285192aSMauro Carvalho Chehab next = buf; 1385c6c62cceSMauro Carvalho Chehab core_dbg("buffer_requeue\n"); 1386b285192aSMauro Carvalho Chehab 1387b285192aSMauro Carvalho Chehab if (!buf) 1388b285192aSMauro Carvalho Chehab return 0; 1389b285192aSMauro Carvalho Chehab 13906139ebc6SMauro Carvalho Chehab core_dbg("buffer_requeue : resending active buffer\n"); 1391b285192aSMauro Carvalho Chehab 1392b285192aSMauro Carvalho Chehab if (!list_empty(&q->queue)) 1393b285192aSMauro Carvalho Chehab next = list_entry(q->queue.next, struct saa7134_buf, 13942ada815fSHans Verkuil entry); 1395b285192aSMauro Carvalho Chehab buf->activate(dev, buf, next); 1396b285192aSMauro Carvalho Chehab 1397b285192aSMauro Carvalho Chehab return 0; 1398b285192aSMauro Carvalho Chehab } 1399b285192aSMauro Carvalho Chehab 1400c8872483SVaibhav Gupta static int __maybe_unused saa7134_suspend(struct device *dev_d) 1401b285192aSMauro Carvalho Chehab { 1402c8872483SVaibhav Gupta struct pci_dev *pci_dev = to_pci_dev(dev_d); 1403b285192aSMauro Carvalho Chehab struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1404b285192aSMauro Carvalho Chehab struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1405b285192aSMauro Carvalho Chehab 1406b285192aSMauro Carvalho Chehab /* disable overlay - apps should enable it explicitly on resume*/ 1407b285192aSMauro Carvalho Chehab dev->ovenable = 0; 1408b285192aSMauro Carvalho Chehab 1409b285192aSMauro Carvalho Chehab /* Disable interrupts, DMA, and rest of the chip*/ 1410b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ1, 0); 1411b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ2, 0); 1412b285192aSMauro Carvalho Chehab saa_writel(SAA7134_MAIN_CTRL, 0); 1413b285192aSMauro Carvalho Chehab 1414b285192aSMauro Carvalho Chehab dev->insuspend = 1; 1415b285192aSMauro Carvalho Chehab synchronize_irq(pci_dev->irq); 1416b285192aSMauro Carvalho Chehab 1417b285192aSMauro Carvalho Chehab /* ACK interrupts once more, just in case, 1418b285192aSMauro Carvalho Chehab since the IRQ handler won't ack them anymore*/ 1419b285192aSMauro Carvalho Chehab 1420b285192aSMauro Carvalho Chehab saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 1421b285192aSMauro Carvalho Chehab 1422b285192aSMauro Carvalho Chehab /* Disable timeout timers - if we have active buffers, we will 1423b285192aSMauro Carvalho Chehab fill them on resume*/ 1424b285192aSMauro Carvalho Chehab 1425b285192aSMauro Carvalho Chehab del_timer(&dev->video_q.timeout); 1426b285192aSMauro Carvalho Chehab del_timer(&dev->vbi_q.timeout); 1427b285192aSMauro Carvalho Chehab del_timer(&dev->ts_q.timeout); 1428b285192aSMauro Carvalho Chehab 14292ad18d1dSSean Young if (dev->remote && dev->remote->dev->users) 14302ad18d1dSSean Young saa7134_ir_close(dev->remote->dev); 1431b285192aSMauro Carvalho Chehab 1432b285192aSMauro Carvalho Chehab return 0; 1433b285192aSMauro Carvalho Chehab } 1434b285192aSMauro Carvalho Chehab 1435c8872483SVaibhav Gupta static int __maybe_unused saa7134_resume(struct device *dev_d) 1436b285192aSMauro Carvalho Chehab { 1437c8872483SVaibhav Gupta struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d); 1438b285192aSMauro Carvalho Chehab struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1439b285192aSMauro Carvalho Chehab unsigned long flags; 1440b285192aSMauro Carvalho Chehab 1441b285192aSMauro Carvalho Chehab /* Do things that are done in saa7134_initdev , 1442b285192aSMauro Carvalho Chehab except of initializing memory structures.*/ 1443b285192aSMauro Carvalho Chehab 1444b285192aSMauro Carvalho Chehab saa7134_board_init1(dev); 1445b285192aSMauro Carvalho Chehab 1446b285192aSMauro Carvalho Chehab /* saa7134_hwinit1 */ 1447b285192aSMauro Carvalho Chehab if (saa7134_boards[dev->board].video_out) 1448b285192aSMauro Carvalho Chehab saa7134_videoport_init(dev); 1449b285192aSMauro Carvalho Chehab if (card_has_mpeg(dev)) 1450b285192aSMauro Carvalho Chehab saa7134_ts_init_hw(dev); 14512ad18d1dSSean Young if (dev->remote && dev->remote->dev->users) 14522ad18d1dSSean Young saa7134_ir_open(dev->remote->dev); 1453b285192aSMauro Carvalho Chehab saa7134_hw_enable1(dev); 1454b285192aSMauro Carvalho Chehab 1455b285192aSMauro Carvalho Chehab msleep(100); 1456b285192aSMauro Carvalho Chehab 1457b285192aSMauro Carvalho Chehab saa7134_board_init2(dev); 1458b285192aSMauro Carvalho Chehab 1459b285192aSMauro Carvalho Chehab /*saa7134_hwinit2*/ 1460b285192aSMauro Carvalho Chehab saa7134_set_tvnorm_hw(dev); 1461b285192aSMauro Carvalho Chehab saa7134_tvaudio_setmute(dev); 1462b285192aSMauro Carvalho Chehab saa7134_tvaudio_setvolume(dev, dev->ctl_volume); 1463b285192aSMauro Carvalho Chehab saa7134_tvaudio_init(dev); 1464b285192aSMauro Carvalho Chehab saa7134_enable_i2s(dev); 1465b285192aSMauro Carvalho Chehab saa7134_hw_enable2(dev); 1466b285192aSMauro Carvalho Chehab 1467b285192aSMauro Carvalho Chehab saa7134_irq_video_signalchange(dev); 1468b285192aSMauro Carvalho Chehab 1469b285192aSMauro Carvalho Chehab /*resume unfinished buffer(s)*/ 1470b285192aSMauro Carvalho Chehab spin_lock_irqsave(&dev->slock, flags); 1471b285192aSMauro Carvalho Chehab saa7134_buffer_requeue(dev, &dev->video_q); 1472b285192aSMauro Carvalho Chehab saa7134_buffer_requeue(dev, &dev->vbi_q); 1473b285192aSMauro Carvalho Chehab saa7134_buffer_requeue(dev, &dev->ts_q); 1474b285192aSMauro Carvalho Chehab 1475b285192aSMauro Carvalho Chehab /* FIXME: Disable DMA audio sound - temporary till proper support 1476b285192aSMauro Carvalho Chehab is implemented*/ 1477b285192aSMauro Carvalho Chehab 1478b285192aSMauro Carvalho Chehab dev->dmasound.dma_running = 0; 1479b285192aSMauro Carvalho Chehab 1480b285192aSMauro Carvalho Chehab /* start DMA now*/ 1481b285192aSMauro Carvalho Chehab dev->insuspend = 0; 1482b285192aSMauro Carvalho Chehab smp_wmb(); 1483b285192aSMauro Carvalho Chehab saa7134_set_dmabits(dev); 1484b285192aSMauro Carvalho Chehab spin_unlock_irqrestore(&dev->slock, flags); 1485b285192aSMauro Carvalho Chehab 1486b285192aSMauro Carvalho Chehab return 0; 1487b285192aSMauro Carvalho Chehab } 1488b285192aSMauro Carvalho Chehab 1489b285192aSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 1490b285192aSMauro Carvalho Chehab 1491b285192aSMauro Carvalho Chehab int saa7134_ts_register(struct saa7134_mpeg_ops *ops) 1492b285192aSMauro Carvalho Chehab { 1493b285192aSMauro Carvalho Chehab struct saa7134_dev *dev; 1494b285192aSMauro Carvalho Chehab 1495b285192aSMauro Carvalho Chehab mutex_lock(&saa7134_devlist_lock); 1496b285192aSMauro Carvalho Chehab list_for_each_entry(dev, &saa7134_devlist, devlist) 1497b285192aSMauro Carvalho Chehab mpeg_ops_attach(ops, dev); 1498b285192aSMauro Carvalho Chehab list_add_tail(&ops->next,&mops_list); 1499b285192aSMauro Carvalho Chehab mutex_unlock(&saa7134_devlist_lock); 1500b285192aSMauro Carvalho Chehab return 0; 1501b285192aSMauro Carvalho Chehab } 1502b285192aSMauro Carvalho Chehab 1503b285192aSMauro Carvalho Chehab void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) 1504b285192aSMauro Carvalho Chehab { 1505b285192aSMauro Carvalho Chehab struct saa7134_dev *dev; 1506b285192aSMauro Carvalho Chehab 1507b285192aSMauro Carvalho Chehab mutex_lock(&saa7134_devlist_lock); 1508b285192aSMauro Carvalho Chehab list_del(&ops->next); 1509b285192aSMauro Carvalho Chehab list_for_each_entry(dev, &saa7134_devlist, devlist) 1510b285192aSMauro Carvalho Chehab mpeg_ops_detach(ops, dev); 1511b285192aSMauro Carvalho Chehab mutex_unlock(&saa7134_devlist_lock); 1512b285192aSMauro Carvalho Chehab } 1513b285192aSMauro Carvalho Chehab 1514b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_ts_register); 1515b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_ts_unregister); 1516b285192aSMauro Carvalho Chehab 1517b285192aSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 1518b285192aSMauro Carvalho Chehab 1519c8872483SVaibhav Gupta static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume); 1520c8872483SVaibhav Gupta 1521b285192aSMauro Carvalho Chehab static struct pci_driver saa7134_pci_driver = { 1522b285192aSMauro Carvalho Chehab .name = "saa7134", 1523b285192aSMauro Carvalho Chehab .id_table = saa7134_pci_tbl, 1524b285192aSMauro Carvalho Chehab .probe = saa7134_initdev, 15254c62e976SGreg Kroah-Hartman .remove = saa7134_finidev, 1526c8872483SVaibhav Gupta .driver.pm = &saa7134_pm_ops, 1527b285192aSMauro Carvalho Chehab }; 1528b285192aSMauro Carvalho Chehab 1529b285192aSMauro Carvalho Chehab static int __init saa7134_init(void) 1530b285192aSMauro Carvalho Chehab { 153183582009SMauro Carvalho Chehab pr_info("saa7130/34: v4l2 driver version %s loaded\n", 1532b285192aSMauro Carvalho Chehab SAA7134_VERSION); 1533b285192aSMauro Carvalho Chehab return pci_register_driver(&saa7134_pci_driver); 1534b285192aSMauro Carvalho Chehab } 1535b285192aSMauro Carvalho Chehab 1536b285192aSMauro Carvalho Chehab static void __exit saa7134_fini(void) 1537b285192aSMauro Carvalho Chehab { 1538b285192aSMauro Carvalho Chehab pci_unregister_driver(&saa7134_pci_driver); 1539b285192aSMauro Carvalho Chehab } 1540b285192aSMauro Carvalho Chehab 1541b285192aSMauro Carvalho Chehab module_init(saa7134_init); 1542b285192aSMauro Carvalho Chehab module_exit(saa7134_fini); 1543b285192aSMauro Carvalho Chehab 1544b285192aSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 1545b285192aSMauro Carvalho Chehab 1546b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_set_gpio); 1547b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_boards); 1548b285192aSMauro Carvalho Chehab 1549b285192aSMauro Carvalho Chehab /* ----------------- for the DMA sound modules --------------- */ 1550b285192aSMauro Carvalho Chehab 1551b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_dmasound_init); 1552b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_dmasound_exit); 1553b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_pgtable_free); 1554b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_pgtable_build); 1555b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_pgtable_alloc); 1556b285192aSMauro Carvalho Chehab EXPORT_SYMBOL(saa7134_set_dmabits); 1557