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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-24 09:50:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-24 09:50:13 -0700
commit76d21c563569bcea6bc67d65cc2c460cff643058 (patch)
tree4dd2c9846ea7838077099646418978e354df1680 /drivers/media/dvb/firewire/firedtv-fw.c
parent6e50e9f9f4a8277b4d76de417ca77cf3921bd524 (diff)
parent472af2b05bdefcaee7e754e22cbf131110017ad6 (diff)
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Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (442 commits) [media] videobuf2-dma-contig: make cookie() return a pointer to dma_addr_t [media] sh_mobile_ceu_camera: Do not call vb2's mem_ops directly [media] V4L: soc-camera: explicitly require V4L2_BUF_TYPE_VIDEO_CAPTURE [media] v4l: soc-camera: Store negotiated buffer settings [media] rc: interim support for 32-bit NEC-ish scancodes [media] mceusb: topseed 0x0011 needs gen3 init for tx to work [media] lirc_zilog: error out if buffer read bytes != chunk size [media] lirc: silence some compile warnings [media] hdpvr: use same polling interval as other OS [media] ir-kbd-i2c: pass device code w/key in hauppauge case [media] rc/keymaps: Remove the obsolete rc-rc5-tv keymap [media] remove the old RC_MAP_HAUPPAUGE_NEW RC map [media] rc/keymaps: Rename Hauppauge table as rc-hauppauge [media] rc-rc5-hauppauge-new: Fix Hauppauge Grey mapping [media] rc-rc5-hauppauge-new: Add support for the old Black RC [media] rc-rc5-hauppauge-new: Add the old control to the table [media] rc-winfast: Fix the keycode tables [media] a800: Fix a few wrong IR key assignments [media] opera1: Use multimedia keys instead of an app-specific mapping [media] dw2102: Use multimedia keys instead of an app-specific mapping ... Fix up trivial conflicts (remove/modify and some real conflicts) in: arch/arm/mach-omap2/devices.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/dabusb/dabusb.c drivers/staging/dabusb/dabusb.h drivers/staging/easycap/easycap_ioctl.c drivers/staging/usbvideo/usbvideo.c drivers/staging/usbvideo/vicam.c
Diffstat (limited to 'drivers/media/dvb/firewire/firedtv-fw.c')
-rw-r--r--drivers/media/dvb/firewire/firedtv-fw.c146
1 files changed, 118 insertions, 28 deletions
diff --git a/drivers/media/dvb/firewire/firedtv-fw.c b/drivers/media/dvb/firewire/firedtv-fw.c
index 7424b0493f9d..8022b743af91 100644
--- a/drivers/media/dvb/firewire/firedtv-fw.c
+++ b/drivers/media/dvb/firewire/firedtv-fw.c
@@ -9,11 +9,18 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/mm.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
+#include <linux/string.h>
#include <linux/types.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
#include <asm/page.h>
+#include <asm/system.h>
#include <dvb_demux.h>
@@ -41,17 +48,17 @@ static int node_req(struct firedtv *fdtv, u64 addr, void *data, size_t len,
return rcode != RCODE_COMPLETE ? -EIO : 0;
}
-static int node_lock(struct firedtv *fdtv, u64 addr, void *data)
+int fdtv_lock(struct firedtv *fdtv, u64 addr, void *data)
{
return node_req(fdtv, addr, data, 8, TCODE_LOCK_COMPARE_SWAP);
}
-static int node_read(struct firedtv *fdtv, u64 addr, void *data)
+int fdtv_read(struct firedtv *fdtv, u64 addr, void *data)
{
return node_req(fdtv, addr, data, 4, TCODE_READ_QUADLET_REQUEST);
}
-static int node_write(struct firedtv *fdtv, u64 addr, void *data, size_t len)
+int fdtv_write(struct firedtv *fdtv, u64 addr, void *data, size_t len)
{
return node_req(fdtv, addr, data, len, TCODE_WRITE_BLOCK_REQUEST);
}
@@ -67,7 +74,7 @@ static int node_write(struct firedtv *fdtv, u64 addr, void *data, size_t len)
#define N_PAGES DIV_ROUND_UP(N_PACKETS, PACKETS_PER_PAGE)
#define IRQ_INTERVAL 16
-struct firedtv_receive_context {
+struct fdtv_ir_context {
struct fw_iso_context *context;
struct fw_iso_buffer buffer;
int interrupt_packet;
@@ -75,7 +82,7 @@ struct firedtv_receive_context {
char *pages[N_PAGES];
};
-static int queue_iso(struct firedtv_receive_context *ctx, int index)
+static int queue_iso(struct fdtv_ir_context *ctx, int index)
{
struct fw_iso_packet p;
@@ -92,7 +99,7 @@ static void handle_iso(struct fw_iso_context *context, u32 cycle,
size_t header_length, void *header, void *data)
{
struct firedtv *fdtv = data;
- struct firedtv_receive_context *ctx = fdtv->backend_data;
+ struct fdtv_ir_context *ctx = fdtv->ir_context;
__be32 *h, *h_end;
int length, err, i = ctx->current_packet;
char *p, *p_end;
@@ -121,9 +128,9 @@ static void handle_iso(struct fw_iso_context *context, u32 cycle,
ctx->current_packet = i;
}
-static int start_iso(struct firedtv *fdtv)
+int fdtv_start_iso(struct firedtv *fdtv)
{
- struct firedtv_receive_context *ctx;
+ struct fdtv_ir_context *ctx;
struct fw_device *device = device_of(fdtv);
int i, err;
@@ -161,7 +168,7 @@ static int start_iso(struct firedtv *fdtv)
if (err)
goto fail;
- fdtv->backend_data = ctx;
+ fdtv->ir_context = ctx;
return 0;
fail:
@@ -174,9 +181,9 @@ fail_free:
return err;
}
-static void stop_iso(struct firedtv *fdtv)
+void fdtv_stop_iso(struct firedtv *fdtv)
{
- struct firedtv_receive_context *ctx = fdtv->backend_data;
+ struct fdtv_ir_context *ctx = fdtv->ir_context;
fw_iso_context_stop(ctx->context);
fw_iso_buffer_destroy(&ctx->buffer, device_of(fdtv)->card);
@@ -184,14 +191,6 @@ static void stop_iso(struct firedtv *fdtv)
kfree(ctx);
}
-static const struct firedtv_backend backend = {
- .lock = node_lock,
- .read = node_read,
- .write = node_write,
- .start_iso = start_iso,
- .stop_iso = stop_iso,
-};
-
static void handle_fcp(struct fw_card *card, struct fw_request *request,
int tcode, int destination, int source, int generation,
unsigned long long offset, void *payload, size_t length,
@@ -238,6 +237,14 @@ static const struct fw_address_region fcp_region = {
.end = CSR_REGISTER_BASE + CSR_FCP_END,
};
+static const char * const model_names[] = {
+ [FIREDTV_UNKNOWN] = "unknown type",
+ [FIREDTV_DVB_S] = "FireDTV S/CI",
+ [FIREDTV_DVB_C] = "FireDTV C/CI",
+ [FIREDTV_DVB_T] = "FireDTV T/CI",
+ [FIREDTV_DVB_S2] = "FireDTV S2 ",
+};
+
/* Adjust the template string if models with longer names appear. */
#define MAX_MODEL_NAME_LEN sizeof("FireDTV ????")
@@ -245,15 +252,31 @@ static int node_probe(struct device *dev)
{
struct firedtv *fdtv;
char name[MAX_MODEL_NAME_LEN];
- int name_len, err;
-
- name_len = fw_csr_string(fw_unit(dev)->directory, CSR_MODEL,
- name, sizeof(name));
+ int name_len, i, err;
- fdtv = fdtv_alloc(dev, &backend, name, name_len >= 0 ? name_len : 0);
+ fdtv = kzalloc(sizeof(*fdtv), GFP_KERNEL);
if (!fdtv)
return -ENOMEM;
+ dev_set_drvdata(dev, fdtv);
+ fdtv->device = dev;
+ fdtv->isochannel = -1;
+ fdtv->voltage = 0xff;
+ fdtv->tone = 0xff;
+
+ mutex_init(&fdtv->avc_mutex);
+ init_waitqueue_head(&fdtv->avc_wait);
+ mutex_init(&fdtv->demux_mutex);
+ INIT_WORK(&fdtv->remote_ctrl_work, avc_remote_ctrl_work);
+
+ name_len = fw_csr_string(fw_unit(dev)->directory, CSR_MODEL,
+ name, sizeof(name));
+ for (i = ARRAY_SIZE(model_names); --i; )
+ if (strlen(model_names[i]) <= name_len &&
+ strncmp(name, model_names[i], name_len) == 0)
+ break;
+ fdtv->type = i;
+
err = fdtv_register_rc(fdtv, dev);
if (err)
goto fail_free;
@@ -266,7 +289,7 @@ static int node_probe(struct device *dev)
if (err)
goto fail;
- err = fdtv_dvb_register(fdtv);
+ err = fdtv_dvb_register(fdtv, model_names[fdtv->type]);
if (err)
goto fail;
@@ -309,6 +332,60 @@ static void node_update(struct fw_unit *unit)
fdtv->isochannel);
}
+#define MATCH_FLAGS (IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID | \
+ IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION)
+
+#define DIGITAL_EVERYWHERE_OUI 0x001287
+#define AVC_UNIT_SPEC_ID_ENTRY 0x00a02d
+#define AVC_SW_VERSION_ENTRY 0x010001
+
+static const struct ieee1394_device_id fdtv_id_table[] = {
+ {
+ /* FloppyDTV S/CI and FloppyDTV S2 */
+ .match_flags = MATCH_FLAGS,
+ .vendor_id = DIGITAL_EVERYWHERE_OUI,
+ .model_id = 0x000024,
+ .specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
+ .version = AVC_SW_VERSION_ENTRY,
+ }, {
+ /* FloppyDTV T/CI */
+ .match_flags = MATCH_FLAGS,
+ .vendor_id = DIGITAL_EVERYWHERE_OUI,
+ .model_id = 0x000025,
+ .specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
+ .version = AVC_SW_VERSION_ENTRY,
+ }, {
+ /* FloppyDTV C/CI */
+ .match_flags = MATCH_FLAGS,
+ .vendor_id = DIGITAL_EVERYWHERE_OUI,
+ .model_id = 0x000026,
+ .specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
+ .version = AVC_SW_VERSION_ENTRY,
+ }, {
+ /* FireDTV S/CI and FloppyDTV S2 */
+ .match_flags = MATCH_FLAGS,
+ .vendor_id = DIGITAL_EVERYWHERE_OUI,
+ .model_id = 0x000034,
+ .specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
+ .version = AVC_SW_VERSION_ENTRY,
+ }, {
+ /* FireDTV T/CI */
+ .match_flags = MATCH_FLAGS,
+ .vendor_id = DIGITAL_EVERYWHERE_OUI,
+ .model_id = 0x000035,
+ .specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
+ .version = AVC_SW_VERSION_ENTRY,
+ }, {
+ /* FireDTV C/CI */
+ .match_flags = MATCH_FLAGS,
+ .vendor_id = DIGITAL_EVERYWHERE_OUI,
+ .model_id = 0x000036,
+ .specifier_id = AVC_UNIT_SPEC_ID_ENTRY,
+ .version = AVC_SW_VERSION_ENTRY,
+ }, {}
+};
+MODULE_DEVICE_TABLE(ieee1394, fdtv_id_table);
+
static struct fw_driver fdtv_driver = {
.driver = {
.owner = THIS_MODULE,
@@ -321,7 +398,7 @@ static struct fw_driver fdtv_driver = {
.id_table = fdtv_id_table,
};
-int __init fdtv_fw_init(void)
+static int __init fdtv_init(void)
{
int ret;
@@ -329,11 +406,24 @@ int __init fdtv_fw_init(void)
if (ret < 0)
return ret;
- return driver_register(&fdtv_driver.driver);
+ ret = driver_register(&fdtv_driver.driver);
+ if (ret < 0)
+ fw_core_remove_address_handler(&fcp_handler);
+
+ return ret;
}
-void fdtv_fw_exit(void)
+static void __exit fdtv_exit(void)
{
driver_unregister(&fdtv_driver.driver);
fw_core_remove_address_handler(&fcp_handler);
}
+
+module_init(fdtv_init);
+module_exit(fdtv_exit);
+
+MODULE_AUTHOR("Andreas Monitzer <andy@monitzer.com>");
+MODULE_AUTHOR("Ben Backx <ben@bbackx.com>");
+MODULE_DESCRIPTION("FireDTV DVB Driver");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("FireDTV DVB");