V4L/DVB (8258): add support for SMS1010 and SMS1150 based digital television devices

initial driver drop, provided by Siano Mobile Silicon, Inc.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/drivers/media/mdtv/smscoreapi.h b/drivers/media/mdtv/smscoreapi.h
new file mode 100644
index 00000000000..a8c025f74eb
--- /dev/null
+++ b/drivers/media/mdtv/smscoreapi.h
@@ -0,0 +1,101 @@
+#ifndef __smscoreapi_h__
+#define __smscoreapi_h__
+
+#ifndef min
+#define min(a,b) (((a) < (b)) ? (a) : (b))
+#endif
+
+#define SMS_ALLOC_ALIGNMENT                                     128
+#define SMS_DMA_ALIGNMENT                                       16
+#define SMS_ALIGN_ADDRESS(addr) ((((u32)(addr)) + (SMS_DMA_ALIGNMENT-1)) & ~(SMS_DMA_ALIGNMENT-1))
+
+#define SMS_DEVICE_FAMILY2                                      1
+#define SMS_ROM_NO_RESPONSE                                     2
+#define SMS_DEVICE_NOT_READY                            0x8000000
+
+typedef struct _smscore_device smscore_device_t;
+typedef struct _smscore_client smscore_client_t;
+typedef struct _smscore_buffer smscore_buffer_t;
+
+typedef int (*hotplug_t)(smscore_device_t *coredev, struct device *device, int arrival);
+
+typedef int (*setmode_t)(void *context, int mode);
+typedef void (*detectmode_t)(void *context, int *mode);
+typedef int (*sendrequest_t)(void *context, void *buffer, size_t size);
+typedef int (*loadfirmware_t)(void *context, void *buffer, size_t size);
+typedef int (*preload_t)(void *context);
+typedef int (*postload_t)(void *context);
+
+typedef int (*onresponse_t)(void *context, smscore_buffer_t *cb);
+typedef void (*onremove_t)(void *context);
+
+typedef struct _smscore_buffer
+{
+        // public members, once passed to clients can be changed freely
+        struct list_head entry;
+        int                             size;
+        int                             offset;
+
+        // private members, read-only for clients
+        void                    *p;
+        dma_addr_t              phys;
+        unsigned long   offset_in_common;
+} *psmscore_buffer_t;
+
+typedef struct _smsdevice_params
+{
+        struct device   *device;
+
+        int                             buffer_size;
+        int                             num_buffers;
+
+        char                    devpath[32];
+        unsigned long   flags;
+
+        setmode_t               setmode_handler;
+        detectmode_t    detectmode_handler;
+        sendrequest_t   sendrequest_handler;
+        preload_t               preload_handler;
+        postload_t              postload_handler;
+
+        void                    *context;
+} smsdevice_params_t;
+
+typedef struct _smsclient_params
+{
+        int                             initial_id;
+        int                             data_type;
+        onresponse_t    onresponse_handler;
+        onremove_t              onremove_handler;
+
+        void                    *context;
+} smsclient_params_t;
+
+extern void smscore_registry_setmode(char *devpath, int mode);
+extern int smscore_registry_getmode(char *devpath);
+
+extern int smscore_register_hotplug(hotplug_t hotplug);
+extern void smscore_unregister_hotplug(hotplug_t hotplug);
+
+extern int smscore_register_device(smsdevice_params_t *params, smscore_device_t **coredev);
+extern void smscore_unregister_device(smscore_device_t *coredev);
+
+extern int smscore_start_device(smscore_device_t *coredev);
+extern int smscore_load_firmware(smscore_device_t *coredev, char* filename, loadfirmware_t loadfirmware_handler);
+
+extern int smscore_set_device_mode(smscore_device_t *coredev, int mode);
+extern int smscore_get_device_mode(smscore_device_t *coredev);
+
+extern int smscore_register_client(smscore_device_t *coredev, smsclient_params_t* params, smscore_client_t **client);
+extern void smscore_unregister_client(smscore_client_t *client);
+
+extern int smsclient_sendrequest(smscore_client_t *client, void *buffer, size_t size);
+extern void smscore_onresponse(smscore_device_t *coredev, smscore_buffer_t *cb);
+
+extern int smscore_get_common_buffer_size(smscore_device_t *coredev);
+extern int smscore_map_common_buffer(smscore_device_t *coredev, struct vm_area_struct * vma);
+
+extern smscore_buffer_t *smscore_getbuffer(smscore_device_t *coredev);
+extern void smscore_putbuffer(smscore_device_t *coredev, smscore_buffer_t *cb);
+
+#endif // __smscoreapi_h__