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path: root/drivers/media/pci/cx18/cx18-driver.c
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-rw-r--r--drivers/media/pci/cx18/cx18-driver.c1343
1 files changed, 1343 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c
new file mode 100644
index 000000000..84260972c
--- /dev/null
+++ b/drivers/media/pci/cx18/cx18-driver.c
@@ -0,0 +1,1343 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * cx18 driver initialization and card probing
+ *
+ * Derived from ivtv-driver.c
+ *
+ * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
+ * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
+ */
+
+#include "cx18-driver.h"
+#include "cx18-io.h"
+#include "cx18-version.h"
+#include "cx18-cards.h"
+#include "cx18-i2c.h"
+#include "cx18-irq.h"
+#include "cx18-gpio.h"
+#include "cx18-firmware.h"
+#include "cx18-queue.h"
+#include "cx18-streams.h"
+#include "cx18-av-core.h"
+#include "cx18-scb.h"
+#include "cx18-mailbox.h"
+#include "cx18-ioctl.h"
+#include "cx18-controls.h"
+#include "xc2028.h"
+#include <linux/dma-mapping.h>
+#include <media/tveeprom.h>
+
+/* If you have already X v4l cards, then set this to X. This way
+ the device numbers stay matched. Example: you have a WinTV card
+ without radio and a Compro H900 with. Normally this would give a
+ video1 device together with a radio0 device for the Compro. By
+ setting this to 1 you ensure that radio0 is now also radio1. */
+int cx18_first_minor;
+
+/* Callback for registering extensions */
+int (*cx18_ext_init)(struct cx18 *);
+EXPORT_SYMBOL(cx18_ext_init);
+
+/* add your revision and whatnot here */
+static const struct pci_device_id cx18_pci_tbl[] = {
+ {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {0,}
+};
+
+MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);
+
+static atomic_t cx18_instance = ATOMIC_INIT(0);
+
+/* Parameter declarations */
+static int cardtype[CX18_MAX_CARDS];
+static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1 };
+static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1 };
+static unsigned cardtype_c = 1;
+static unsigned tuner_c = 1;
+static unsigned radio_c = 1;
+static char pal[] = "--";
+static char secam[] = "--";
+static char ntsc[] = "-";
+
+/* Buffers */
+static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
+static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
+static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS;
+static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;
+static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;
+static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;
+
+static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;
+static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;
+static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;
+static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;
+static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;
+
+static int enc_ts_bufs = -1;
+static int enc_mpg_bufs = -1;
+static int enc_idx_bufs = CX18_MAX_FW_MDLS_PER_STREAM;
+static int enc_yuv_bufs = -1;
+static int enc_vbi_bufs = -1;
+static int enc_pcm_bufs = -1;
+
+
+static int cx18_pci_latency = 1;
+
+static int mmio_ndelay;
+static int retry_mmio = 1;
+
+int cx18_debug;
+
+module_param_array(tuner, int, &tuner_c, 0644);
+module_param_array(radio, int, &radio_c, 0644);
+module_param_array(cardtype, int, &cardtype_c, 0644);
+module_param_string(pal, pal, sizeof(pal), 0644);
+module_param_string(secam, secam, sizeof(secam), 0644);
+module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
+module_param_named(debug, cx18_debug, int, 0644);
+module_param(mmio_ndelay, int, 0644);
+module_param(retry_mmio, int, 0644);
+module_param(cx18_pci_latency, int, 0644);
+module_param(cx18_first_minor, int, 0644);
+
+module_param(enc_ts_buffers, int, 0644);
+module_param(enc_mpg_buffers, int, 0644);
+module_param(enc_idx_buffers, int, 0644);
+module_param(enc_yuv_buffers, int, 0644);
+module_param(enc_vbi_buffers, int, 0644);
+module_param(enc_pcm_buffers, int, 0644);
+
+module_param(enc_ts_bufsize, int, 0644);
+module_param(enc_mpg_bufsize, int, 0644);
+module_param(enc_idx_bufsize, int, 0644);
+module_param(enc_yuv_bufsize, int, 0644);
+module_param(enc_pcm_bufsize, int, 0644);
+
+module_param(enc_ts_bufs, int, 0644);
+module_param(enc_mpg_bufs, int, 0644);
+module_param(enc_idx_bufs, int, 0644);
+module_param(enc_yuv_bufs, int, 0644);
+module_param(enc_vbi_bufs, int, 0644);
+module_param(enc_pcm_bufs, int, 0644);
+
+MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
+ "\t\t\tsee tuner.h for values");
+MODULE_PARM_DESC(radio,
+ "Enable or disable the radio. Use only if autodetection\n"
+ "\t\t\tfails. 0 = disable, 1 = enable");
+MODULE_PARM_DESC(cardtype,
+ "Only use this option if your card is not detected properly.\n"
+ "\t\tSpecify card type:\n"
+ "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n"
+ "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"
+ "\t\t\t 3 = Compro VideoMate H900\n"
+ "\t\t\t 4 = Yuan MPC718\n"
+ "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"
+ "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n"
+ "\t\t\t 7 = Leadtek WinFast PVR2100\n"
+ "\t\t\t 8 = Leadtek WinFast DVR3100 H\n"
+ "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n"
+ "\t\t\t 10 = Hauppauge HVR 1600 (S5H1411)\n"
+ "\t\t\t 0 = Autodetect (default)\n"
+ "\t\t\t-1 = Ignore this card\n\t\t");
+MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
+MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");
+MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");
+MODULE_PARM_DESC(debug,
+ "Debug level (bitmask). Default: 0\n"
+ "\t\t\t 1/0x0001: warning\n"
+ "\t\t\t 2/0x0002: info\n"
+ "\t\t\t 4/0x0004: mailbox\n"
+ "\t\t\t 8/0x0008: dma\n"
+ "\t\t\t 16/0x0010: ioctl\n"
+ "\t\t\t 32/0x0020: file\n"
+ "\t\t\t 64/0x0040: i2c\n"
+ "\t\t\t128/0x0080: irq\n"
+ "\t\t\t256/0x0100: high volume\n");
+MODULE_PARM_DESC(cx18_pci_latency,
+ "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
+ "\t\t\tDefault: Yes");
+MODULE_PARM_DESC(retry_mmio,
+ "(Deprecated) MMIO writes are now always checked and retried\n"
+ "\t\t\tEffectively: 1 [Yes]");
+MODULE_PARM_DESC(mmio_ndelay,
+ "(Deprecated) MMIO accesses are now never purposely delayed\n"
+ "\t\t\tEffectively: 0 ns");
+MODULE_PARM_DESC(enc_ts_buffers,
+ "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));
+MODULE_PARM_DESC(enc_ts_bufsize,
+ "Size of an encoder TS buffer (kB)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE));
+MODULE_PARM_DESC(enc_ts_bufs,
+ "Number of encoder TS buffers\n"
+ "\t\t\tDefault is computed from other enc_ts_* parameters");
+MODULE_PARM_DESC(enc_mpg_buffers,
+ "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
+MODULE_PARM_DESC(enc_mpg_bufsize,
+ "Size of an encoder MPG buffer (kB)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE));
+MODULE_PARM_DESC(enc_mpg_bufs,
+ "Number of encoder MPG buffers\n"
+ "\t\t\tDefault is computed from other enc_mpg_* parameters");
+MODULE_PARM_DESC(enc_idx_buffers,
+ "(Deprecated) Encoder IDX buffer memory (MB)\n"
+ "\t\t\tIgnored, except 0 disables IDX buffer allocations\n"
+ "\t\t\tDefault: 1 [Enabled]");
+MODULE_PARM_DESC(enc_idx_bufsize,
+ "Size of an encoder IDX buffer (kB)\n"
+ "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n"
+ "\t\t\t(multiples of size required for 64 index entries)\n"
+ "\t\t\tDefault: 2");
+MODULE_PARM_DESC(enc_idx_bufs,
+ "Number of encoder IDX buffers\n"
+ "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM));
+MODULE_PARM_DESC(enc_yuv_buffers,
+ "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));
+MODULE_PARM_DESC(enc_yuv_bufsize,
+ "Size of an encoder YUV buffer (kB)\n"
+ "\t\t\tAllowed values are multiples of 33.75 kB rounded up\n"
+ "\t\t\t(multiples of size required for 32 screen lines)\n"
+ "\t\t\tDefault: 102");
+MODULE_PARM_DESC(enc_yuv_bufs,
+ "Number of encoder YUV buffers\n"
+ "\t\t\tDefault is computed from other enc_yuv_* parameters");
+MODULE_PARM_DESC(enc_vbi_buffers,
+ "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));
+MODULE_PARM_DESC(enc_vbi_bufs,
+ "Number of encoder VBI buffers\n"
+ "\t\t\tDefault is computed from enc_vbi_buffers");
+MODULE_PARM_DESC(enc_pcm_buffers,
+ "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));
+MODULE_PARM_DESC(enc_pcm_bufsize,
+ "Size of an encoder PCM buffer (kB)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE));
+MODULE_PARM_DESC(enc_pcm_bufs,
+ "Number of encoder PCM buffers\n"
+ "\t\t\tDefault is computed from other enc_pcm_* parameters");
+
+MODULE_PARM_DESC(cx18_first_minor,
+ "Set device node number assigned to first card");
+
+MODULE_AUTHOR("Hans Verkuil");
+MODULE_DESCRIPTION("CX23418 driver");
+MODULE_LICENSE("GPL");
+
+MODULE_VERSION(CX18_VERSION);
+
+#if defined(CONFIG_MODULES) && defined(MODULE)
+static void request_module_async(struct work_struct *work)
+{
+ struct cx18 *dev = container_of(work, struct cx18, request_module_wk);
+
+ /* Make sure cx18-alsa module is loaded */
+ request_module("cx18-alsa");
+
+ /* Initialize cx18-alsa for this instance of the cx18 device */
+ if (cx18_ext_init)
+ cx18_ext_init(dev);
+}
+
+static void request_modules(struct cx18 *dev)
+{
+ INIT_WORK(&dev->request_module_wk, request_module_async);
+ schedule_work(&dev->request_module_wk);
+}
+
+static void flush_request_modules(struct cx18 *dev)
+{
+ flush_work(&dev->request_module_wk);
+}
+#else
+#define request_modules(dev)
+#define flush_request_modules(dev)
+#endif /* CONFIG_MODULES */
+
+/* Generic utility functions */
+int cx18_msleep_timeout(unsigned int msecs, int intr)
+{
+ long int timeout = msecs_to_jiffies(msecs);
+ int sig;
+
+ do {
+ set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
+ timeout = schedule_timeout(timeout);
+ sig = intr ? signal_pending(current) : 0;
+ } while (!sig && timeout);
+ return sig;
+}
+
+/* Release ioremapped memory */
+static void cx18_iounmap(struct cx18 *cx)
+{
+ if (!cx)
+ return;
+
+ /* Release io memory */
+ if (cx->enc_mem) {
+ CX18_DEBUG_INFO("releasing enc_mem\n");
+ iounmap(cx->enc_mem);
+ cx->enc_mem = NULL;
+ }
+}
+
+static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len)
+{
+ int i;
+
+ CX18_INFO("eeprom dump:\n");
+ for (i = 0; i < len; i++) {
+ if (0 == (i % 16))
+ CX18_INFO("eeprom %02x:", i);
+ printk(KERN_CONT " %02x", eedata[i]);
+ if (15 == (i % 16))
+ printk(KERN_CONT "\n");
+ }
+}
+
+/* Hauppauge card? get values from tveeprom */
+void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
+{
+ struct i2c_client *c;
+ u8 eedata[256];
+
+ memset(tv, 0, sizeof(*tv));
+
+ c = kzalloc(sizeof(*c), GFP_KERNEL);
+ if (!c)
+ return;
+
+ strscpy(c->name, "cx18 tveeprom tmp", sizeof(c->name));
+ c->adapter = &cx->i2c_adap[0];
+ c->addr = 0xa0 >> 1;
+
+ if (tveeprom_read(c, eedata, sizeof(eedata)))
+ goto ret;
+
+ switch (cx->card->type) {
+ case CX18_CARD_HVR_1600_ESMT:
+ case CX18_CARD_HVR_1600_SAMSUNG:
+ case CX18_CARD_HVR_1600_S5H1411:
+ tveeprom_hauppauge_analog(tv, eedata);
+ break;
+ case CX18_CARD_YUAN_MPC718:
+ case CX18_CARD_GOTVIEW_PCI_DVD3:
+ tv->model = 0x718;
+ cx18_eeprom_dump(cx, eedata, sizeof(eedata));
+ CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n",
+ eedata[2], eedata[1], eedata[4], eedata[3]);
+ break;
+ default:
+ tv->model = 0xffffffff;
+ cx18_eeprom_dump(cx, eedata, sizeof(eedata));
+ break;
+ }
+
+ret:
+ kfree(c);
+}
+
+static void cx18_process_eeprom(struct cx18 *cx)
+{
+ struct tveeprom tv;
+
+ cx18_read_eeprom(cx, &tv);
+
+ /* Many thanks to Steven Toth from Hauppauge for providing the
+ model numbers */
+ /* Note: the Samsung memory models cannot be reliably determined
+ from the model number. Use the cardtype module option if you
+ have one of these preproduction models. */
+ switch (tv.model) {
+ case 74301: /* Retail models */
+ case 74321:
+ case 74351: /* OEM models */
+ case 74361:
+ /* Digital side is s5h1411/tda18271 */
+ cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411);
+ break;
+ case 74021: /* Retail models */
+ case 74031:
+ case 74041:
+ case 74141:
+ case 74541: /* OEM models */
+ case 74551:
+ case 74591:
+ case 74651:
+ case 74691:
+ case 74751:
+ case 74891:
+ /* Digital side is s5h1409/mxl5005s */
+ cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
+ break;
+ case 0x718:
+ return;
+ case 0xffffffff:
+ CX18_INFO("Unknown EEPROM encoding\n");
+ return;
+ case 0:
+ CX18_ERR("Invalid EEPROM\n");
+ return;
+ default:
+ CX18_ERR("Unknown model %d, defaulting to original HVR-1600 (cardtype=1)\n",
+ tv.model);
+ cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
+ break;
+ }
+
+ cx->v4l2_cap = cx->card->v4l2_capabilities;
+ cx->card_name = cx->card->name;
+ cx->card_i2c = cx->card->i2c;
+
+ CX18_INFO("Autodetected %s\n", cx->card_name);
+
+ if (tv.tuner_type == TUNER_ABSENT)
+ CX18_ERR("tveeprom cannot autodetect tuner!\n");
+
+ if (cx->options.tuner == -1)
+ cx->options.tuner = tv.tuner_type;
+ if (cx->options.radio == -1)
+ cx->options.radio = (tv.has_radio != 0);
+
+ if (cx->std != 0)
+ /* user specified tuner standard */
+ return;
+
+ /* autodetect tuner standard */
+#define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \
+ V4L2_STD_MN | \
+ V4L2_STD_PAL_I | \
+ V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \
+ V4L2_STD_DK)
+ if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL)
+ == TVEEPROM_TUNER_FORMAT_ALL) {
+ CX18_DEBUG_INFO("Worldwide tuner detected\n");
+ cx->std = V4L2_STD_ALL;
+ } else if (tv.tuner_formats & V4L2_STD_PAL) {
+ CX18_DEBUG_INFO("PAL tuner detected\n");
+ cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
+ } else if (tv.tuner_formats & V4L2_STD_NTSC) {
+ CX18_DEBUG_INFO("NTSC tuner detected\n");
+ cx->std |= V4L2_STD_NTSC_M;
+ } else if (tv.tuner_formats & V4L2_STD_SECAM) {
+ CX18_DEBUG_INFO("SECAM tuner detected\n");
+ cx->std |= V4L2_STD_SECAM_L;
+ } else {
+ CX18_INFO("No tuner detected, default to NTSC-M\n");
+ cx->std |= V4L2_STD_NTSC_M;
+ }
+}
+
+static v4l2_std_id cx18_parse_std(struct cx18 *cx)
+{
+ switch (pal[0]) {
+ case '6':
+ return V4L2_STD_PAL_60;
+ case 'b':
+ case 'B':
+ case 'g':
+ case 'G':
+ return V4L2_STD_PAL_BG;
+ case 'h':
+ case 'H':
+ return V4L2_STD_PAL_H;
+ case 'n':
+ case 'N':
+ if (pal[1] == 'c' || pal[1] == 'C')
+ return V4L2_STD_PAL_Nc;
+ return V4L2_STD_PAL_N;
+ case 'i':
+ case 'I':
+ return V4L2_STD_PAL_I;
+ case 'd':
+ case 'D':
+ case 'k':
+ case 'K':
+ return V4L2_STD_PAL_DK;
+ case 'M':
+ case 'm':
+ return V4L2_STD_PAL_M;
+ case '-':
+ break;
+ default:
+ CX18_WARN("pal= argument not recognised\n");
+ return 0;
+ }
+
+ switch (secam[0]) {
+ case 'b':
+ case 'B':
+ case 'g':
+ case 'G':
+ case 'h':
+ case 'H':
+ return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
+ case 'd':
+ case 'D':
+ case 'k':
+ case 'K':
+ return V4L2_STD_SECAM_DK;
+ case 'l':
+ case 'L':
+ if (secam[1] == 'C' || secam[1] == 'c')
+ return V4L2_STD_SECAM_LC;
+ return V4L2_STD_SECAM_L;
+ case '-':
+ break;
+ default:
+ CX18_WARN("secam= argument not recognised\n");
+ return 0;
+ }
+
+ switch (ntsc[0]) {
+ case 'm':
+ case 'M':
+ return V4L2_STD_NTSC_M;
+ case 'j':
+ case 'J':
+ return V4L2_STD_NTSC_M_JP;
+ case 'k':
+ case 'K':
+ return V4L2_STD_NTSC_M_KR;
+ case '-':
+ break;
+ default:
+ CX18_WARN("ntsc= argument not recognised\n");
+ return 0;
+ }
+
+ /* no match found */
+ return 0;
+}
+
+static void cx18_process_options(struct cx18 *cx)
+{
+ int i, j;
+
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */
+
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */
+
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = VBI_ACTIVE_SAMPLES * 36;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */
+
+ /* Ensure stream_buffers & stream_buf_size are valid */
+ for (i = 0; i < CX18_MAX_STREAMS; i++) {
+ if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */
+ cx->options.megabytes[i] <= 0 || /* User said 0 MB total */
+ cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */
+ cx->options.megabytes[i] = 0;
+ cx->stream_buffers[i] = 0;
+ cx->stream_buf_size[i] = 0;
+ continue;
+ }
+ /*
+ * YUV is a special case where the stream_buf_size needs to be
+ * an integral multiple of 33.75 kB (storage for 32 screens
+ * lines to maintain alignment in case of lost buffers).
+ *
+ * IDX is a special case where the stream_buf_size should be
+ * an integral multiple of 1.5 kB (storage for 64 index entries
+ * to maintain alignment in case of lost buffers).
+ *
+ */
+ if (i == CX18_ENC_STREAM_TYPE_YUV) {
+ cx->stream_buf_size[i] *= 1024;
+ cx->stream_buf_size[i] -=
+ (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE);
+
+ if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE)
+ cx->stream_buf_size[i] =
+ CX18_UNIT_ENC_YUV_BUFSIZE;
+ } else if (i == CX18_ENC_STREAM_TYPE_IDX) {
+ cx->stream_buf_size[i] *= 1024;
+ cx->stream_buf_size[i] -=
+ (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE);
+
+ if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE)
+ cx->stream_buf_size[i] =
+ CX18_UNIT_ENC_IDX_BUFSIZE;
+ }
+ /*
+ * YUV and IDX are special cases where the stream_buf_size is
+ * now in bytes.
+ * VBI is a special case where the stream_buf_size is fixed
+ * and already in bytes
+ */
+ if (i == CX18_ENC_STREAM_TYPE_VBI ||
+ i == CX18_ENC_STREAM_TYPE_YUV ||
+ i == CX18_ENC_STREAM_TYPE_IDX) {
+ if (cx->stream_buffers[i] < 0) {
+ cx->stream_buffers[i] =
+ cx->options.megabytes[i] * 1024 * 1024
+ / cx->stream_buf_size[i];
+ } else {
+ /* N.B. This might round down to 0 */
+ cx->options.megabytes[i] =
+ cx->stream_buffers[i]
+ * cx->stream_buf_size[i]/(1024 * 1024);
+ }
+ } else {
+ /* All other streams have stream_buf_size in kB here */
+ if (cx->stream_buffers[i] < 0) {
+ cx->stream_buffers[i] =
+ cx->options.megabytes[i] * 1024
+ / cx->stream_buf_size[i];
+ } else {
+ /* N.B. This might round down to 0 */
+ cx->options.megabytes[i] =
+ cx->stream_buffers[i]
+ * cx->stream_buf_size[i] / 1024;
+ }
+ /* convert from kB to bytes */
+ cx->stream_buf_size[i] *= 1024;
+ }
+ CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, %d bytes\n",
+ i, cx->options.megabytes[i],
+ cx->stream_buffers[i], cx->stream_buf_size[i]);
+ }
+
+ cx->options.cardtype = cardtype[cx->instance];
+ cx->options.tuner = tuner[cx->instance];
+ cx->options.radio = radio[cx->instance];
+
+ cx->std = cx18_parse_std(cx);
+ if (cx->options.cardtype == -1) {
+ CX18_INFO("Ignore card\n");
+ return;
+ }
+ cx->card = cx18_get_card(cx->options.cardtype - 1);
+ if (cx->card)
+ CX18_INFO("User specified %s card\n", cx->card->name);
+ else if (cx->options.cardtype != 0)
+ CX18_ERR("Unknown user specified type, trying to autodetect card\n");
+ if (!cx->card) {
+ if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
+ cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
+ CX18_INFO("Autodetected Hauppauge card\n");
+ }
+ }
+ if (!cx->card) {
+ for (i = 0; (cx->card = cx18_get_card(i)); i++) {
+ if (!cx->card->pci_list)
+ continue;
+ for (j = 0; cx->card->pci_list[j].device; j++) {
+ if (cx->pci_dev->device !=
+ cx->card->pci_list[j].device)
+ continue;
+ if (cx->pci_dev->subsystem_vendor !=
+ cx->card->pci_list[j].subsystem_vendor)
+ continue;
+ if (cx->pci_dev->subsystem_device !=
+ cx->card->pci_list[j].subsystem_device)
+ continue;
+ CX18_INFO("Autodetected %s card\n", cx->card->name);
+ goto done;
+ }
+ }
+ }
+done:
+
+ if (!cx->card) {
+ cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
+ CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
+ cx->pci_dev->vendor, cx->pci_dev->device);
+ CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n",
+ cx->pci_dev->subsystem_vendor,
+ cx->pci_dev->subsystem_device);
+ CX18_ERR("Defaulting to %s card\n", cx->card->name);
+ CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
+ CX18_ERR("card you have to the linux-media mailinglist (www.linuxtv.org)\n");
+ CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");
+ }
+ cx->v4l2_cap = cx->card->v4l2_capabilities;
+ cx->card_name = cx->card->name;
+ cx->card_i2c = cx->card->i2c;
+}
+
+static int cx18_create_in_workq(struct cx18 *cx)
+{
+ snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in",
+ cx->v4l2_dev.name);
+ cx->in_work_queue = alloc_ordered_workqueue("%s", 0, cx->in_workq_name);
+ if (!cx->in_work_queue) {
+ CX18_ERR("Unable to create incoming mailbox handler thread\n");
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static void cx18_init_in_work_orders(struct cx18 *cx)
+{
+ int i;
+ for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) {
+ cx->in_work_order[i].cx = cx;
+ cx->in_work_order[i].str = cx->epu_debug_str;
+ INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler);
+ }
+}
+
+/* Precondition: the cx18 structure has been memset to 0. Only
+ the dev and instance fields have been filled in.
+ No assumptions on the card type may be made here (see cx18_init_struct2
+ for that).
+ */
+static int cx18_init_struct1(struct cx18 *cx)
+{
+ int ret;
+
+ cx->base_addr = pci_resource_start(cx->pci_dev, 0);
+
+ mutex_init(&cx->serialize_lock);
+ mutex_init(&cx->gpio_lock);
+ mutex_init(&cx->epu2apu_mb_lock);
+ mutex_init(&cx->epu2cpu_mb_lock);
+
+ ret = cx18_create_in_workq(cx);
+ if (ret)
+ return ret;
+
+ cx18_init_in_work_orders(cx);
+
+ /* start counting open_id at 1 */
+ cx->open_id = 1;
+
+ /* Initial settings */
+ cx->cxhdl.port = CX2341X_PORT_MEMORY;
+ cx->cxhdl.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI;
+ cx->cxhdl.ops = &cx18_cxhdl_ops;
+ cx->cxhdl.func = cx18_api_func;
+ cx->cxhdl.priv = &cx->streams[CX18_ENC_STREAM_TYPE_MPG];
+ ret = cx2341x_handler_init(&cx->cxhdl, 50);
+ if (ret)
+ return ret;
+ cx->v4l2_dev.ctrl_handler = &cx->cxhdl.hdl;
+
+ cx->temporal_strength = cx->cxhdl.video_temporal_filter->cur.val;
+ cx->spatial_strength = cx->cxhdl.video_spatial_filter->cur.val;
+ cx->filter_mode = cx->cxhdl.video_spatial_filter_mode->cur.val |
+ (cx->cxhdl.video_temporal_filter_mode->cur.val << 1) |
+ (cx->cxhdl.video_median_filter_type->cur.val << 2);
+
+ init_waitqueue_head(&cx->cap_w);
+ init_waitqueue_head(&cx->mb_apu_waitq);
+ init_waitqueue_head(&cx->mb_cpu_waitq);
+ init_waitqueue_head(&cx->dma_waitq);
+
+ /* VBI */
+ cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
+
+ /* IVTV style VBI insertion into MPEG streams */
+ INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list);
+ INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list);
+ INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list);
+ list_add(&cx->vbi.sliced_mpeg_buf.list,
+ &cx->vbi.sliced_mpeg_mdl.buf_list);
+ return 0;
+}
+
+/* Second initialization part. Here the card type has been
+ autodetected. */
+static void cx18_init_struct2(struct cx18 *cx)
+{
+ int i;
+
+ for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS - 1; i++)
+ if (cx->card->video_inputs[i].video_type == 0)
+ break;
+ cx->nof_inputs = i;
+ for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS - 1; i++)
+ if (cx->card->audio_inputs[i].audio_type == 0)
+ break;
+ cx->nof_audio_inputs = i;
+
+ /* Find tuner input */
+ for (i = 0; i < cx->nof_inputs; i++) {
+ if (cx->card->video_inputs[i].video_type ==
+ CX18_CARD_INPUT_VID_TUNER)
+ break;
+ }
+ if (i == cx->nof_inputs)
+ i = 0;
+ cx->active_input = i;
+ cx->audio_input = cx->card->video_inputs[i].audio_index;
+}
+
+static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
+ const struct pci_device_id *pci_id)
+{
+ u16 cmd;
+ unsigned char pci_latency;
+
+ CX18_DEBUG_INFO("Enabling pci device\n");
+
+ if (pci_enable_device(pci_dev)) {
+ CX18_ERR("Can't enable device %d!\n", cx->instance);
+ return -EIO;
+ }
+ if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) {
+ CX18_ERR("No suitable DMA available, card %d\n", cx->instance);
+ return -EIO;
+ }
+ if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {
+ CX18_ERR("Cannot request encoder memory region, card %d\n",
+ cx->instance);
+ return -EIO;
+ }
+
+ /* Enable bus mastering and memory mapped IO for the CX23418 */
+ pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);
+ cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+ pci_write_config_word(pci_dev, PCI_COMMAND, cmd);
+
+ cx->card_rev = pci_dev->revision;
+ pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
+
+ if (pci_latency < 64 && cx18_pci_latency) {
+ CX18_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",
+ pci_latency);
+ pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);
+ pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
+ }
+
+ CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n",
+ cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
+ PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
+ cx->pci_dev->irq, pci_latency, (u64)cx->base_addr);
+
+ return 0;
+}
+
+static void cx18_init_subdevs(struct cx18 *cx)
+{
+ u32 hw = cx->card->hw_all;
+ u32 device;
+ int i;
+
+ for (i = 0, device = 1; i < 32; i++, device <<= 1) {
+
+ if (!(device & hw))
+ continue;
+
+ switch (device) {
+ case CX18_HW_DVB:
+ case CX18_HW_TVEEPROM:
+ /* These subordinate devices do not use probing */
+ cx->hw_flags |= device;
+ break;
+ case CX18_HW_418_AV:
+ /* The A/V decoder gets probed earlier to set PLLs */
+ /* Just note that the card uses it (i.e. has analog) */
+ cx->hw_flags |= device;
+ break;
+ case CX18_HW_GPIO_RESET_CTRL:
+ /*
+ * The Reset Controller gets probed and added to
+ * hw_flags earlier for i2c adapter/bus initialization
+ */
+ break;
+ case CX18_HW_GPIO_MUX:
+ if (cx18_gpio_register(cx, device) == 0)
+ cx->hw_flags |= device;
+ break;
+ default:
+ if (cx18_i2c_register(cx, i) == 0)
+ cx->hw_flags |= device;
+ break;
+ }
+ }
+
+ if (cx->hw_flags & CX18_HW_418_AV)
+ cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);
+
+ if (cx->card->hw_muxer != 0)
+ cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);
+}
+
+static int cx18_probe(struct pci_dev *pci_dev,
+ const struct pci_device_id *pci_id)
+{
+ int retval = 0;
+ int i;
+ u32 devtype;
+ struct cx18 *cx;
+
+ /* FIXME - module parameter arrays constrain max instances */
+ i = atomic_inc_return(&cx18_instance) - 1;
+ if (i >= CX18_MAX_CARDS) {
+ printk(KERN_ERR "cx18: cannot manage card %d, driver has a limit of 0 - %d\n",
+ i, CX18_MAX_CARDS - 1);
+ return -ENOMEM;
+ }
+
+ cx = kzalloc(sizeof(*cx), GFP_KERNEL);
+ if (!cx)
+ return -ENOMEM;
+
+ cx->pci_dev = pci_dev;
+ cx->instance = i;
+
+ retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
+ if (retval) {
+ printk(KERN_ERR "cx18: v4l2_device_register of card %d failed\n",
+ cx->instance);
+ kfree(cx);
+ return retval;
+ }
+ snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",
+ cx->instance);
+ CX18_INFO("Initializing card %d\n", cx->instance);
+
+ cx18_process_options(cx);
+ if (cx->options.cardtype == -1) {
+ retval = -ENODEV;
+ goto err;
+ }
+
+ retval = cx18_init_struct1(cx);
+ if (retval)
+ goto err;
+
+ CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr);
+
+ /* PCI Device Setup */
+ retval = cx18_setup_pci(cx, pci_dev, pci_id);
+ if (retval != 0)
+ goto free_workqueues;
+
+ /* map io memory */
+ CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
+ (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
+ cx->enc_mem = ioremap(cx->base_addr + CX18_MEM_OFFSET,
+ CX18_MEM_SIZE);
+ if (!cx->enc_mem) {
+ CX18_ERR("ioremap failed. Can't get a window into CX23418 memory and register space\n");
+ CX18_ERR("Each capture card with a CX23418 needs 64 MB of vmalloc address space for the window\n");
+ CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
+ CX18_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
+ retval = -ENOMEM;
+ goto free_mem;
+ }
+ cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
+ devtype = cx18_read_reg(cx, 0xC72028);
+ switch (devtype & 0xff000000) {
+ case 0xff000000:
+ CX18_INFO("cx23418 revision %08x (A)\n", devtype);
+ break;
+ case 0x01000000:
+ CX18_INFO("cx23418 revision %08x (B)\n", devtype);
+ break;
+ default:
+ CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
+ break;
+ }
+
+ cx18_init_power(cx, 1);
+ cx18_init_memory(cx);
+
+ cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
+ cx18_init_scb(cx);
+
+ cx18_gpio_init(cx);
+
+ /* Initialize integrated A/V decoder early to set PLLs, just in case */
+ retval = cx18_av_probe(cx);
+ if (retval) {
+ CX18_ERR("Could not register A/V decoder subdevice\n");
+ goto free_map;
+ }
+
+ /* Initialize GPIO Reset Controller to do chip resets during i2c init */
+ if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
+ if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
+ CX18_WARN("Could not register GPIO reset controllersubdevice; proceeding anyway.\n");
+ else
+ cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
+ }
+
+ /* active i2c */
+ CX18_DEBUG_INFO("activating i2c...\n");
+ retval = init_cx18_i2c(cx);
+ if (retval) {
+ CX18_ERR("Could not initialize i2c\n");
+ goto free_map;
+ }
+
+ if (cx->card->hw_all & CX18_HW_TVEEPROM) {
+ /* Based on the model number the cardtype may be changed.
+ The PCI IDs are not always reliable. */
+ const struct cx18_card *orig_card = cx->card;
+ cx18_process_eeprom(cx);
+
+ if (cx->card != orig_card) {
+ /* Changed the cardtype; re-reset the I2C chips */
+ cx18_gpio_init(cx);
+ cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL,
+ core, reset, (u32) CX18_GPIO_RESET_I2C);
+ }
+ }
+ if (cx->card->comment)
+ CX18_INFO("%s", cx->card->comment);
+ if (cx->card->v4l2_capabilities == 0) {
+ retval = -ENODEV;
+ goto free_i2c;
+ }
+ cx18_init_memory(cx);
+ cx18_init_scb(cx);
+
+ /* Register IRQ */
+ retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
+ IRQF_SHARED, cx->v4l2_dev.name, (void *)cx);
+ if (retval) {
+ CX18_ERR("Failed to register irq %d\n", retval);
+ goto free_i2c;
+ }
+
+ if (cx->std == 0)
+ cx->std = V4L2_STD_NTSC_M;
+
+ if (cx->options.tuner == -1) {
+ for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
+ if ((cx->std & cx->card->tuners[i].std) == 0)
+ continue;
+ cx->options.tuner = cx->card->tuners[i].tuner;
+ break;
+ }
+ }
+ /* if no tuner was found, then pick the first tuner in the card list */
+ if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
+ cx->std = cx->card->tuners[0].std;
+ if (cx->std & V4L2_STD_PAL)
+ cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
+ else if (cx->std & V4L2_STD_NTSC)
+ cx->std = V4L2_STD_NTSC_M;
+ else if (cx->std & V4L2_STD_SECAM)
+ cx->std = V4L2_STD_SECAM_L;
+ cx->options.tuner = cx->card->tuners[0].tuner;
+ }
+ if (cx->options.radio == -1)
+ cx->options.radio = (cx->card->radio_input.audio_type != 0);
+
+ /* The card is now fully identified, continue with card-specific
+ initialization. */
+ cx18_init_struct2(cx);
+
+ cx18_init_subdevs(cx);
+
+ if (cx->std & V4L2_STD_525_60)
+ cx->is_60hz = 1;
+ else
+ cx->is_50hz = 1;
+
+ cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz);
+
+ if (cx->options.radio > 0)
+ cx->v4l2_cap |= V4L2_CAP_RADIO;
+
+ if (cx->options.tuner > -1) {
+ struct tuner_setup setup;
+
+ setup.addr = ADDR_UNSET;
+ setup.type = cx->options.tuner;
+ setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
+ setup.config = NULL;
+ if (cx->options.radio > 0)
+ setup.mode_mask |= T_RADIO;
+ setup.tuner_callback = (setup.type == TUNER_XC2028) ?
+ cx18_reset_tuner_gpio : NULL;
+ cx18_call_all(cx, tuner, s_type_addr, &setup);
+ if (setup.type == TUNER_XC2028) {
+ static struct xc2028_ctrl ctrl = {
+ .fname = XC2028_DEFAULT_FIRMWARE,
+ .max_len = 64,
+ };
+ struct v4l2_priv_tun_config cfg = {
+ .tuner = cx->options.tuner,
+ .priv = &ctrl,
+ };
+ cx18_call_all(cx, tuner, s_config, &cfg);
+ }
+ }
+
+ /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
+ are not. */
+ cx->tuner_std = cx->std;
+ if (cx->std == V4L2_STD_ALL)
+ cx->std = V4L2_STD_NTSC_M;
+
+ retval = cx18_streams_setup(cx);
+ if (retval) {
+ CX18_ERR("Error %d setting up streams\n", retval);
+ goto free_irq;
+ }
+ retval = cx18_streams_register(cx);
+ if (retval) {
+ CX18_ERR("Error %d registering devices\n", retval);
+ goto free_streams;
+ }
+
+ CX18_INFO("Initialized card: %s\n", cx->card_name);
+
+ /* Load cx18 submodules (cx18-alsa) */
+ request_modules(cx);
+ return 0;
+
+free_streams:
+ cx18_streams_cleanup(cx, 1);
+free_irq:
+ free_irq(cx->pci_dev->irq, (void *)cx);
+free_i2c:
+ exit_cx18_i2c(cx);
+free_map:
+ cx18_iounmap(cx);
+free_mem:
+ release_mem_region(cx->base_addr, CX18_MEM_SIZE);
+free_workqueues:
+ destroy_workqueue(cx->in_work_queue);
+err:
+ CX18_ERR("Error %d on initialization\n", retval);
+
+ v4l2_device_unregister(&cx->v4l2_dev);
+ kfree(cx);
+ return retval;
+}
+
+int cx18_init_on_first_open(struct cx18 *cx)
+{
+ int video_input;
+ int fw_retry_count = 3;
+ struct v4l2_frequency vf;
+ struct cx18_open_id fh;
+ v4l2_std_id std;
+
+ fh.cx = cx;
+
+ if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
+ return -ENXIO;
+
+ if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
+ return 0;
+
+ while (--fw_retry_count > 0) {
+ /* load firmware */
+ if (cx18_firmware_init(cx) == 0)
+ break;
+ if (fw_retry_count > 1)
+ CX18_WARN("Retry loading firmware\n");
+ }
+
+ if (fw_retry_count == 0) {
+ set_bit(CX18_F_I_FAILED, &cx->i_flags);
+ return -ENXIO;
+ }
+ set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
+
+ /*
+ * Init the firmware twice to work around a silicon bug
+ * with the digital TS.
+ *
+ * The second firmware load requires us to normalize the APU state,
+ * or the audio for the first analog capture will be badly incorrect.
+ *
+ * I can't seem to call APU_RESETAI and have it succeed without the
+ * APU capturing audio, so we start and stop it here to do the reset
+ */
+
+ /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
+ cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
+ cx18_vapi(cx, CX18_APU_RESETAI, 0);
+ cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
+
+ fw_retry_count = 3;
+ while (--fw_retry_count > 0) {
+ /* load firmware */
+ if (cx18_firmware_init(cx) == 0)
+ break;
+ if (fw_retry_count > 1)
+ CX18_WARN("Retry loading firmware\n");
+ }
+
+ if (fw_retry_count == 0) {
+ set_bit(CX18_F_I_FAILED, &cx->i_flags);
+ return -ENXIO;
+ }
+
+ /*
+ * The second firmware load requires us to normalize the APU state,
+ * or the audio for the first analog capture will be badly incorrect.
+ *
+ * I can't seem to call APU_RESETAI and have it succeed without the
+ * APU capturing audio, so we start and stop it here to do the reset
+ */
+
+ /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
+ cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
+ cx18_vapi(cx, CX18_APU_RESETAI, 0);
+ cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
+
+ /* Init the A/V decoder, if it hasn't been already */
+ v4l2_subdev_call(cx->sd_av, core, load_fw);
+
+ vf.tuner = 0;
+ vf.type = V4L2_TUNER_ANALOG_TV;
+ vf.frequency = 6400; /* the tuner 'baseline' frequency */
+
+ /* Set initial frequency. For PAL/SECAM broadcasts no
+ 'default' channel exists AFAIK. */
+ if (cx->std == V4L2_STD_NTSC_M_JP)
+ vf.frequency = 1460; /* ch. 1 91250*16/1000 */
+ else if (cx->std & V4L2_STD_NTSC_M)
+ vf.frequency = 1076; /* ch. 4 67250*16/1000 */
+
+ video_input = cx->active_input;
+ cx->active_input++; /* Force update of input */
+ cx18_s_input(NULL, &fh, video_input);
+
+ /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
+ in one place. */
+ cx->std++; /* Force full standard initialization */
+ std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std;
+ cx18_s_std(NULL, &fh, std);
+ cx18_s_frequency(NULL, &fh, &vf);
+ return 0;
+}
+
+static void cx18_cancel_in_work_orders(struct cx18 *cx)
+{
+ int i;
+ for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++)
+ cancel_work_sync(&cx->in_work_order[i].work);
+}
+
+static void cx18_cancel_out_work_orders(struct cx18 *cx)
+{
+ int i;
+ for (i = 0; i < CX18_MAX_STREAMS; i++)
+ if (cx->streams[i].video_dev.v4l2_dev)
+ cancel_work_sync(&cx->streams[i].out_work_order);
+}
+
+static void cx18_remove(struct pci_dev *pci_dev)
+{
+ struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+ struct cx18 *cx = to_cx18(v4l2_dev);
+ int i;
+
+ CX18_DEBUG_INFO("Removing Card\n");
+
+ flush_request_modules(cx);
+
+ /* Stop all captures */
+ CX18_DEBUG_INFO("Stopping all streams\n");
+ if (atomic_read(&cx->tot_capturing) > 0)
+ cx18_stop_all_captures(cx);
+
+ /* Stop interrupts that cause incoming work to be queued */
+ cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
+
+ /* Incoming work can cause outgoing work, so clean up incoming first */
+ cx18_cancel_in_work_orders(cx);
+ cx18_cancel_out_work_orders(cx);
+
+ /* Stop ack interrupts that may have been needed for work to finish */
+ cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
+
+ cx18_halt_firmware(cx);
+
+ destroy_workqueue(cx->in_work_queue);
+
+ cx18_streams_cleanup(cx, 1);
+
+ exit_cx18_i2c(cx);
+
+ free_irq(cx->pci_dev->irq, (void *)cx);
+
+ cx18_iounmap(cx);
+
+ release_mem_region(cx->base_addr, CX18_MEM_SIZE);
+
+ pci_disable_device(cx->pci_dev);
+
+ if (cx->vbi.sliced_mpeg_data[0])
+ for (i = 0; i < CX18_VBI_FRAMES; i++)
+ kfree(cx->vbi.sliced_mpeg_data[i]);
+
+ v4l2_ctrl_handler_free(&cx->av_state.hdl);
+
+ CX18_INFO("Removed %s\n", cx->card_name);
+
+ v4l2_device_unregister(v4l2_dev);
+ kfree(cx);
+}
+
+
+/* define a pci_driver for card detection */
+static struct pci_driver cx18_pci_driver = {
+ .name = "cx18",
+ .id_table = cx18_pci_tbl,
+ .probe = cx18_probe,
+ .remove = cx18_remove,
+};
+
+static int __init module_start(void)
+{
+ printk(KERN_INFO "cx18: Start initialization, version %s\n",
+ CX18_VERSION);
+
+ /* Validate parameters */
+ if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
+ printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n",
+ CX18_MAX_CARDS - 1);
+ return -1;
+ }
+
+ if (cx18_debug < 0 || cx18_debug > 511) {
+ cx18_debug = 0;
+ printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");
+ }
+
+ if (pci_register_driver(&cx18_pci_driver)) {
+ printk(KERN_ERR "cx18: Error detecting PCI card\n");
+ return -ENODEV;
+ }
+ printk(KERN_INFO "cx18: End initialization\n");
+ return 0;
+}
+
+static void __exit module_cleanup(void)
+{
+ pci_unregister_driver(&cx18_pci_driver);
+}
+
+module_init(module_start);
+module_exit(module_cleanup);
+MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 02:30:45 +0000