2 * cobalt driver initialization and card probing
4 * Derived from cx18-driver.c
6 * Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates.
9 * This program is free software; you may redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2 of the License.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
15 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
16 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
17 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
18 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #include <linux/delay.h>
24 #include <media/i2c/adv7604.h>
25 #include <media/i2c/adv7842.h>
26 #include <media/i2c/adv7511.h>
27 #include <media/v4l2-event.h>
28 #include <media/v4l2-ctrls.h>
30 #include "cobalt-driver.h"
31 #include "cobalt-irq.h"
32 #include "cobalt-i2c.h"
33 #include "cobalt-v4l2.h"
34 #include "cobalt-flash.h"
35 #include "cobalt-alsa.h"
36 #include "cobalt-omnitek.h"
38 /* add your revision and whatnot here */
39 static struct pci_device_id cobalt_pci_tbl[] = {
40 {PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_COBALT,
41 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
45 MODULE_DEVICE_TABLE(pci, cobalt_pci_tbl);
47 static atomic_t cobalt_instance = ATOMIC_INIT(0);
50 module_param_named(debug, cobalt_debug, int, 0644);
51 MODULE_PARM_DESC(debug, "Debug level. Default: 0\n");
53 int cobalt_ignore_err;
54 module_param_named(ignore_err, cobalt_ignore_err, int, 0644);
55 MODULE_PARM_DESC(ignore_err,
56 "If set then ignore missing i2c adapters/receivers. Default: 0\n");
58 MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com> & Morten Hestnes");
59 MODULE_DESCRIPTION("cobalt driver");
60 MODULE_LICENSE("GPL");
62 static u8 edid[256] = {
63 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
64 0x50, 0x21, 0x32, 0x27, 0x00, 0x00, 0x00, 0x00,
65 0x22, 0x1a, 0x01, 0x03, 0x80, 0x30, 0x1b, 0x78,
66 0x0f, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26,
67 0x0f, 0x50, 0x54, 0x2f, 0xcf, 0x00, 0x31, 0x59,
68 0x45, 0x59, 0x61, 0x59, 0x81, 0x99, 0x01, 0x01,
69 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3a,
70 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c,
71 0x46, 0x00, 0xe0, 0x0e, 0x11, 0x00, 0x00, 0x1e,
72 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x55, 0x18,
73 0x5e, 0x11, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20,
74 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x63,
75 0x6f, 0x62, 0x61, 0x6c, 0x74, 0x0a, 0x20, 0x20,
76 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0x10,
77 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
78 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x9c,
80 0x02, 0x03, 0x1f, 0xf0, 0x4a, 0x90, 0x1f, 0x04,
81 0x13, 0x22, 0x21, 0x20, 0x02, 0x11, 0x01, 0x23,
82 0x09, 0x07, 0x07, 0x68, 0x03, 0x0c, 0x00, 0x10,
83 0x00, 0x00, 0x22, 0x0f, 0xe2, 0x00, 0xea, 0x00,
84 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
85 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
86 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
87 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
88 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
89 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
90 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
91 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
92 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
93 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
94 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
95 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa7,
98 static void cobalt_set_interrupt(struct cobalt *cobalt, bool enable)
101 unsigned irqs = COBALT_SYSSTAT_VI0_INT1_MSK |
102 COBALT_SYSSTAT_VI1_INT1_MSK |
103 COBALT_SYSSTAT_VI2_INT1_MSK |
104 COBALT_SYSSTAT_VI3_INT1_MSK |
105 COBALT_SYSSTAT_VI0_INT2_MSK |
106 COBALT_SYSSTAT_VI1_INT2_MSK |
107 COBALT_SYSSTAT_VI2_INT2_MSK |
108 COBALT_SYSSTAT_VI3_INT2_MSK |
109 COBALT_SYSSTAT_VI0_LOST_DATA_MSK |
110 COBALT_SYSSTAT_VI1_LOST_DATA_MSK |
111 COBALT_SYSSTAT_VI2_LOST_DATA_MSK |
112 COBALT_SYSSTAT_VI3_LOST_DATA_MSK |
113 COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK;
115 if (cobalt->have_hsma_rx)
116 irqs |= COBALT_SYSSTAT_VIHSMA_INT1_MSK |
117 COBALT_SYSSTAT_VIHSMA_INT2_MSK |
118 COBALT_SYSSTAT_VIHSMA_LOST_DATA_MSK;
120 if (cobalt->have_hsma_tx)
121 irqs |= COBALT_SYSSTAT_VOHSMA_INT1_MSK |
122 COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK |
123 COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK;
124 /* Clear any existing interrupts */
125 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_EDGE, 0xffffffff);
126 /* PIO Core interrupt mask register.
127 Enable ADV7604 INT1 interrupts */
128 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_MASK, irqs);
130 /* Disable all ADV7604 interrupts */
131 cobalt_write_bar1(cobalt, COBALT_SYS_STAT_MASK, 0);
135 static unsigned cobalt_get_sd_nr(struct v4l2_subdev *sd)
137 struct cobalt *cobalt = to_cobalt(sd->v4l2_dev);
140 for (i = 0; i < COBALT_NUM_NODES; i++)
141 if (sd == cobalt->streams[i].sd)
143 cobalt_err("Invalid adv7604 subdev pointer!\n");
147 static void cobalt_notify(struct v4l2_subdev *sd,
148 unsigned int notification, void *arg)
150 struct cobalt *cobalt = to_cobalt(sd->v4l2_dev);
151 unsigned sd_nr = cobalt_get_sd_nr(sd);
152 struct cobalt_stream *s = &cobalt->streams[sd_nr];
153 bool hotplug = arg ? *((int *)arg) : false;
158 switch (notification) {
159 case ADV76XX_HOTPLUG:
160 cobalt_s_bit_sysctrl(cobalt,
161 COBALT_SYS_CTRL_HPD_TO_CONNECTOR_BIT(sd_nr), hotplug);
162 cobalt_dbg(1, "Set hotplug for adv %d to %d\n", sd_nr, hotplug);
164 case V4L2_DEVICE_NOTIFY_EVENT:
165 cobalt_dbg(1, "Format changed for adv %d\n", sd_nr);
166 v4l2_event_queue(&s->vdev, arg);
173 static int get_payload_size(u16 code)
187 static const char *get_link_speed(u16 stat)
189 switch (stat & PCI_EXP_LNKSTA_CLS) {
190 case 1: return "2.5 Gbit/s";
191 case 2: return "5 Gbit/s";
192 case 3: return "10 Gbit/s";
194 return "Unknown speed";
197 void cobalt_pcie_status_show(struct cobalt *cobalt)
199 struct pci_dev *pci_dev = cobalt->pci_dev;
200 struct pci_dev *pci_bus_dev = cobalt->pci_dev->bus->self;
206 offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
207 bus_offset = pci_find_capability(pci_bus_dev, PCI_CAP_ID_EXP);
210 pci_read_config_dword(pci_dev, offset + PCI_EXP_DEVCAP, &capa);
211 pci_read_config_word(pci_dev, offset + PCI_EXP_DEVCTL, &ctrl);
212 pci_read_config_word(pci_dev, offset + PCI_EXP_DEVSTA, &stat);
213 cobalt_info("PCIe device capability 0x%08x: Max payload %d\n",
214 capa, get_payload_size(capa & PCI_EXP_DEVCAP_PAYLOAD));
215 cobalt_info("PCIe device control 0x%04x: Max payload %d. Max read request %d\n",
217 get_payload_size((ctrl & PCI_EXP_DEVCTL_PAYLOAD) >> 5),
218 get_payload_size((ctrl & PCI_EXP_DEVCTL_READRQ) >> 12));
219 cobalt_info("PCIe device status 0x%04x\n", stat);
222 pci_read_config_dword(pci_dev, offset + PCI_EXP_LNKCAP, &capa);
223 pci_read_config_word(pci_dev, offset + PCI_EXP_LNKCTL, &ctrl);
224 pci_read_config_word(pci_dev, offset + PCI_EXP_LNKSTA, &stat);
225 cobalt_info("PCIe link capability 0x%08x: %s per lane and %u lanes\n",
226 capa, get_link_speed(capa),
227 (capa & PCI_EXP_LNKCAP_MLW) >> 4);
228 cobalt_info("PCIe link control 0x%04x\n", ctrl);
229 cobalt_info("PCIe link status 0x%04x: %s per lane and %u lanes\n",
230 stat, get_link_speed(stat),
231 (stat & PCI_EXP_LNKSTA_NLW) >> 4);
234 pci_read_config_dword(pci_bus_dev, bus_offset + PCI_EXP_LNKCAP, &capa);
235 cobalt_info("PCIe bus link capability 0x%08x: %s per lane and %u lanes\n",
236 capa, get_link_speed(capa),
237 (capa & PCI_EXP_LNKCAP_MLW) >> 4);
240 pci_read_config_dword(pci_dev, offset + PCI_EXP_SLTCAP, &capa);
241 pci_read_config_word(pci_dev, offset + PCI_EXP_SLTCTL, &ctrl);
242 pci_read_config_word(pci_dev, offset + PCI_EXP_SLTSTA, &stat);
243 cobalt_info("PCIe slot capability 0x%08x\n", capa);
244 cobalt_info("PCIe slot control 0x%04x\n", ctrl);
245 cobalt_info("PCIe slot status 0x%04x\n", stat);
248 static unsigned pcie_link_get_lanes(struct cobalt *cobalt)
250 struct pci_dev *pci_dev = cobalt->pci_dev;
254 offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
257 pci_read_config_word(pci_dev, offset + PCI_EXP_LNKSTA, &link);
258 return (link & PCI_EXP_LNKSTA_NLW) >> 4;
261 static unsigned pcie_bus_link_get_lanes(struct cobalt *cobalt)
263 struct pci_dev *pci_dev = cobalt->pci_dev->bus->self;
267 offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
270 pci_read_config_dword(pci_dev, offset + PCI_EXP_LNKCAP, &link);
271 return (link & PCI_EXP_LNKCAP_MLW) >> 4;
274 static void msi_config_show(struct cobalt *cobalt, struct pci_dev *pci_dev)
279 pci_read_config_word(pci_dev, 0x52, &ctrl);
280 cobalt_info("MSI %s\n", ctrl & 1 ? "enable" : "disable");
281 cobalt_info("MSI multiple message: Capable %u. Enable %u\n",
282 (1 << ((ctrl >> 1) & 7)), (1 << ((ctrl >> 4) & 7)));
284 cobalt_info("MSI: 64-bit address capable\n");
285 pci_read_config_dword(pci_dev, 0x54, &adrs_l);
286 pci_read_config_dword(pci_dev, 0x58, &adrs_h);
287 pci_read_config_word(pci_dev, 0x5c, &data);
289 cobalt_info("MSI: Address 0x%08x%08x. Data 0x%04x\n",
290 adrs_h, adrs_l, data);
292 cobalt_info("MSI: Address 0x%08x. Data 0x%04x\n",
296 static void cobalt_pci_iounmap(struct cobalt *cobalt, struct pci_dev *pci_dev)
299 pci_iounmap(pci_dev, cobalt->bar0);
303 pci_iounmap(pci_dev, cobalt->bar1);
308 static void cobalt_free_msi(struct cobalt *cobalt, struct pci_dev *pci_dev)
310 free_irq(pci_dev->irq, (void *)cobalt);
311 pci_free_irq_vectors(pci_dev);
314 static int cobalt_setup_pci(struct cobalt *cobalt, struct pci_dev *pci_dev,
315 const struct pci_device_id *pci_id)
320 cobalt_dbg(1, "enabling pci device\n");
322 ret = pci_enable_device(pci_dev);
324 cobalt_err("can't enable device\n");
327 pci_set_master(pci_dev);
328 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cobalt->card_rev);
329 pci_read_config_word(pci_dev, PCI_DEVICE_ID, &cobalt->device_id);
331 switch (cobalt->device_id) {
332 case PCI_DEVICE_ID_COBALT:
333 cobalt_info("PCI Express interface from Omnitek\n");
336 cobalt_info("PCI Express interface provider is unknown!\n");
340 if (pcie_link_get_lanes(cobalt) != 8) {
341 cobalt_warn("PCI Express link width is %d lanes.\n",
342 pcie_link_get_lanes(cobalt));
343 if (pcie_bus_link_get_lanes(cobalt) < 8)
344 cobalt_warn("The current slot only supports %d lanes, for best performance 8 are needed\n",
345 pcie_bus_link_get_lanes(cobalt));
346 if (pcie_link_get_lanes(cobalt) != pcie_bus_link_get_lanes(cobalt)) {
347 cobalt_err("The card is most likely not seated correctly in the PCIe slot\n");
353 if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(64))) {
354 ret = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
356 cobalt_err("no suitable DMA available\n");
361 ret = pci_request_regions(pci_dev, "cobalt");
363 cobalt_err("error requesting regions\n");
367 cobalt_pcie_status_show(cobalt);
369 cobalt->bar0 = pci_iomap(pci_dev, 0, 0);
370 cobalt->bar1 = pci_iomap(pci_dev, 1, 0);
371 if (cobalt->bar1 == NULL) {
372 cobalt->bar1 = pci_iomap(pci_dev, 2, 0);
373 cobalt_info("64-bit BAR\n");
375 if (!cobalt->bar0 || !cobalt->bar1) {
380 /* Reset the video inputs before enabling any interrupts */
381 ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
382 cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE, ctrl & ~0xf00);
384 /* Disable interrupts to prevent any spurious interrupts
385 from being generated. */
386 cobalt_set_interrupt(cobalt, false);
388 if (pci_alloc_irq_vectors(pci_dev, 1, 1, PCI_IRQ_MSI) < 1) {
389 cobalt_err("Could not enable MSI\n");
393 msi_config_show(cobalt, pci_dev);
396 if (request_irq(pci_dev->irq, cobalt_irq_handler, IRQF_SHARED,
397 cobalt->v4l2_dev.name, (void *)cobalt)) {
398 cobalt_err("Failed to register irq %d\n", pci_dev->irq);
403 omni_sg_dma_init(cobalt);
407 pci_disable_msi(pci_dev);
410 cobalt_pci_iounmap(cobalt, pci_dev);
411 pci_release_regions(pci_dev);
414 pci_disable_device(cobalt->pci_dev);
418 static int cobalt_hdl_info_get(struct cobalt *cobalt)
422 for (i = 0; i < COBALT_HDL_INFO_SIZE; i++)
423 cobalt->hdl_info[i] =
424 ioread8(cobalt->bar1 + COBALT_HDL_INFO_BASE + i);
425 cobalt->hdl_info[COBALT_HDL_INFO_SIZE - 1] = '\0';
426 if (strstr(cobalt->hdl_info, COBALT_HDL_SEARCH_STR))
432 static void cobalt_stream_struct_init(struct cobalt *cobalt)
436 for (i = 0; i < COBALT_NUM_STREAMS; i++) {
437 struct cobalt_stream *s = &cobalt->streams[i];
442 s->is_output = false;
445 /* The Memory DMA channels will always get a lower channel
446 * number than the FIFO DMA. Video input should map to the
447 * stream 0-3. The other can use stream struct from 4 and
449 if (i <= COBALT_HSMA_IN_NODE) {
450 s->dma_channel = i + cobalt->first_fifo_channel;
451 s->video_channel = i;
453 COBALT_SYSSTAT_VI0_LOST_DATA_MSK << (4 * i);
455 COBALT_SYSSTAT_VI0_INT1_MSK << (4 * i);
456 } else if (i >= COBALT_AUDIO_IN_STREAM &&
457 i <= COBALT_AUDIO_IN_STREAM + 4) {
458 unsigned idx = i - COBALT_AUDIO_IN_STREAM;
460 s->dma_channel = 6 + idx;
462 s->video_channel = idx;
463 s->dma_fifo_mask = COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK;
464 } else if (i == COBALT_HSMA_OUT_NODE) {
467 s->video_channel = 5;
468 s->dma_fifo_mask = COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK;
469 s->adv_irq_mask = COBALT_SYSSTAT_VOHSMA_INT1_MSK;
470 } else if (i == COBALT_AUDIO_OUT_STREAM) {
474 s->video_channel = 5;
475 s->dma_fifo_mask = COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK;
477 /* FIXME: Memory DMA for debug purpose */
478 s->dma_channel = i - COBALT_NUM_NODES;
480 cobalt_info("stream #%d -> dma channel #%d <- video channel %d\n",
481 i, s->dma_channel, s->video_channel);
485 static int cobalt_subdevs_init(struct cobalt *cobalt)
487 static struct adv76xx_platform_data adv7604_pdata = {
489 .ain_sel = ADV7604_AIN7_8_9_NC_SYNC_3_1,
490 .bus_order = ADV7604_BUS_ORDER_BRG,
492 .op_format_mode_sel = ADV7604_OP_FORMAT_MODE0,
493 .int1_config = ADV76XX_INT1_CONFIG_ACTIVE_HIGH,
494 .dr_str_data = ADV76XX_DR_STR_HIGH,
495 .dr_str_clk = ADV76XX_DR_STR_HIGH,
496 .dr_str_sync = ADV76XX_DR_STR_HIGH,
497 .hdmi_free_run_mode = 1,
501 static struct i2c_board_info adv7604_info = {
504 .platform_data = &adv7604_pdata,
507 struct cobalt_stream *s = cobalt->streams;
510 for (i = 0; i < COBALT_NUM_INPUTS; i++) {
511 struct v4l2_subdev_format sd_fmt = {
512 .pad = ADV7604_PAD_SOURCE,
513 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
514 .format.code = MEDIA_BUS_FMT_YUYV8_1X16,
516 struct v4l2_subdev_edid cobalt_edid = {
517 .pad = ADV76XX_PAD_HDMI_PORT_A,
524 s[i].pad_source = ADV7604_PAD_SOURCE;
525 s[i].i2c_adap = &cobalt->i2c_adap[i];
526 if (s[i].i2c_adap->dev.parent == NULL)
528 cobalt_s_bit_sysctrl(cobalt,
529 COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(i), 1);
530 s[i].sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
531 s[i].i2c_adap, &adv7604_info, NULL);
533 if (cobalt_ignore_err)
537 err = v4l2_subdev_call(s[i].sd, video, s_routing,
538 ADV76XX_PAD_HDMI_PORT_A, 0, 0);
541 err = v4l2_subdev_call(s[i].sd, pad, set_edid,
545 err = v4l2_subdev_call(s[i].sd, pad, set_fmt, NULL,
549 /* Reset channel video module */
550 cobalt_s_bit_sysctrl(cobalt,
551 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 0);
553 cobalt_s_bit_sysctrl(cobalt,
554 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 1);
556 s[i].is_dummy = false;
557 cobalt->streams[i + COBALT_AUDIO_IN_STREAM].is_dummy = false;
562 static int cobalt_subdevs_hsma_init(struct cobalt *cobalt)
564 static struct adv7842_platform_data adv7842_pdata = {
566 .ain_sel = ADV7842_AIN1_2_3_NC_SYNC_1_2,
567 .bus_order = ADV7842_BUS_ORDER_RBG,
568 .op_format_mode_sel = ADV7842_OP_FORMAT_MODE0,
573 .mode = ADV7842_MODE_HDMI,
574 .hdmi_free_run_enable = 1,
575 .vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P,
582 .i2c_repeater = 0x32,
584 .i2c_infoframe = 0x3e,
588 static struct i2c_board_info adv7842_info = {
591 .platform_data = &adv7842_pdata,
593 static struct v4l2_subdev_format sd_fmt = {
594 .pad = ADV7842_PAD_SOURCE,
595 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
596 .format.code = MEDIA_BUS_FMT_YUYV8_1X16,
598 static struct adv7511_platform_data adv7511_pdata = {
599 .i2c_edid = 0x7e >> 1,
600 .i2c_cec = 0x7c >> 1,
601 .i2c_pktmem = 0x70 >> 1,
604 static struct i2c_board_info adv7511_info = {
606 .addr = 0x39, /* 0x39 or 0x3d */
607 .platform_data = &adv7511_pdata,
609 struct v4l2_subdev_edid cobalt_edid = {
610 .pad = ADV7842_EDID_PORT_A,
615 struct cobalt_stream *s = &cobalt->streams[COBALT_HSMA_IN_NODE];
617 s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1];
618 if (s->i2c_adap->dev.parent == NULL)
620 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 1);
622 s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
623 s->i2c_adap, &adv7842_info, NULL);
625 int err = v4l2_subdev_call(s->sd, pad, set_edid, &cobalt_edid);
629 err = v4l2_subdev_call(s->sd, pad, set_fmt, NULL,
633 cobalt->have_hsma_rx = true;
634 s->pad_source = ADV7842_PAD_SOURCE;
636 cobalt->streams[4 + COBALT_AUDIO_IN_STREAM].is_dummy = false;
637 /* Reset channel video module */
638 cobalt_s_bit_sysctrl(cobalt,
639 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0);
641 cobalt_s_bit_sysctrl(cobalt,
642 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 1);
646 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 0);
647 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT, 0);
649 s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1];
650 s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
651 s->i2c_adap, &adv7511_info, NULL);
653 /* A transmitter is hooked up, so we can set this bit */
654 cobalt_s_bit_sysctrl(cobalt,
655 COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 1);
656 cobalt_s_bit_sysctrl(cobalt,
657 COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0);
658 cobalt_s_bit_sysctrl(cobalt,
659 COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT, 1);
660 cobalt->have_hsma_tx = true;
661 v4l2_subdev_call(s->sd, core, s_power, 1);
662 v4l2_subdev_call(s->sd, video, s_stream, 1);
663 v4l2_subdev_call(s->sd, audio, s_stream, 1);
664 v4l2_ctrl_s_ctrl(v4l2_ctrl_find(s->sd->ctrl_handler,
665 V4L2_CID_DV_TX_MODE), V4L2_DV_TX_MODE_HDMI);
667 cobalt->streams[COBALT_AUDIO_OUT_STREAM].is_dummy = false;
673 static int cobalt_probe(struct pci_dev *pci_dev,
674 const struct pci_device_id *pci_id)
676 struct cobalt *cobalt;
680 /* FIXME - module parameter arrays constrain max instances */
681 i = atomic_inc_return(&cobalt_instance) - 1;
683 cobalt = kzalloc(sizeof(struct cobalt), GFP_ATOMIC);
686 cobalt->pci_dev = pci_dev;
687 cobalt->instance = i;
689 retval = v4l2_device_register(&pci_dev->dev, &cobalt->v4l2_dev);
691 pr_err("cobalt: v4l2_device_register of card %d failed\n",
696 snprintf(cobalt->v4l2_dev.name, sizeof(cobalt->v4l2_dev.name),
697 "cobalt-%d", cobalt->instance);
698 cobalt->v4l2_dev.notify = cobalt_notify;
699 cobalt_info("Initializing card %d\n", cobalt->instance);
701 cobalt->irq_work_queues =
702 create_singlethread_workqueue(cobalt->v4l2_dev.name);
703 if (cobalt->irq_work_queues == NULL) {
704 cobalt_err("Could not create workqueue\n");
709 INIT_WORK(&cobalt->irq_work_queue, cobalt_irq_work_handler);
711 /* PCI Device Setup */
712 retval = cobalt_setup_pci(cobalt, pci_dev, pci_id);
716 /* Show HDL version info */
717 if (cobalt_hdl_info_get(cobalt))
718 cobalt_info("Not able to read the HDL info\n");
720 cobalt_info("%s", cobalt->hdl_info);
722 retval = cobalt_i2c_init(cobalt);
726 cobalt_stream_struct_init(cobalt);
728 retval = cobalt_subdevs_init(cobalt);
732 if (!(cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE) &
733 COBALT_SYSSTAT_HSMA_PRSNTN_MSK)) {
734 retval = cobalt_subdevs_hsma_init(cobalt);
739 retval = v4l2_device_register_subdev_nodes(&cobalt->v4l2_dev);
742 retval = cobalt_nodes_register(cobalt);
744 cobalt_err("Error %d registering device nodes\n", retval);
747 cobalt_set_interrupt(cobalt, true);
748 v4l2_device_call_all(&cobalt->v4l2_dev, 0, core,
749 interrupt_service_routine, 0, NULL);
751 cobalt_info("Initialized cobalt card\n");
753 cobalt_flash_probe(cobalt);
758 cobalt_i2c_exit(cobalt);
759 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0);
761 cobalt_free_msi(cobalt, pci_dev);
762 cobalt_pci_iounmap(cobalt, pci_dev);
763 pci_release_regions(cobalt->pci_dev);
764 pci_disable_device(cobalt->pci_dev);
766 destroy_workqueue(cobalt->irq_work_queues);
770 cobalt_err("error %d on initialization\n", retval);
772 v4l2_device_unregister(&cobalt->v4l2_dev);
777 static void cobalt_remove(struct pci_dev *pci_dev)
779 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
780 struct cobalt *cobalt = to_cobalt(v4l2_dev);
783 cobalt_flash_remove(cobalt);
784 cobalt_set_interrupt(cobalt, false);
785 flush_workqueue(cobalt->irq_work_queues);
786 cobalt_nodes_unregister(cobalt);
787 for (i = 0; i < COBALT_NUM_ADAPTERS; i++) {
788 struct v4l2_subdev *sd = cobalt->streams[i].sd;
789 struct i2c_client *client;
793 client = v4l2_get_subdevdata(sd);
794 v4l2_device_unregister_subdev(sd);
795 i2c_unregister_device(client);
797 cobalt_i2c_exit(cobalt);
798 cobalt_free_msi(cobalt, pci_dev);
799 cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0);
800 cobalt_pci_iounmap(cobalt, pci_dev);
801 pci_release_regions(cobalt->pci_dev);
802 pci_disable_device(cobalt->pci_dev);
803 destroy_workqueue(cobalt->irq_work_queues);
805 cobalt_info("removed cobalt card\n");
807 v4l2_device_unregister(v4l2_dev);
811 /* define a pci_driver for card detection */
812 static struct pci_driver cobalt_pci_driver = {
814 .id_table = cobalt_pci_tbl,
815 .probe = cobalt_probe,
816 .remove = cobalt_remove,
819 module_pci_driver(cobalt_pci_driver);