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path: root/ANDROID_3.4.5/drivers/media/dvb/siano/smssdio.c
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Diffstat (limited to 'ANDROID_3.4.5/drivers/media/dvb/siano/smssdio.c')
-rw-r--r--ANDROID_3.4.5/drivers/media/dvb/siano/smssdio.c365
1 files changed, 0 insertions, 365 deletions
diff --git a/ANDROID_3.4.5/drivers/media/dvb/siano/smssdio.c b/ANDROID_3.4.5/drivers/media/dvb/siano/smssdio.c
deleted file mode 100644
index 91f8c829..00000000
--- a/ANDROID_3.4.5/drivers/media/dvb/siano/smssdio.c
+++ /dev/null
@@ -1,365 +0,0 @@
-/*
- * smssdio.c - Siano 1xxx SDIO interface driver
- *
- * Copyright 2008 Pierre Ossman
- *
- * Based on code by Siano Mobile Silicon, Inc.,
- * Copyright (C) 2006-2008, Uri Shkolnik
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- *
- * This hardware is a bit odd in that all transfers should be done
- * to/from the SMSSDIO_DATA register, yet the "increase address" bit
- * always needs to be set.
- *
- * Also, buffers from the card are always aligned to 128 byte
- * boundaries.
- */
-
-/*
- * General cleanup notes:
- *
- * - only typedefs should be name *_t
- *
- * - use ERR_PTR and friends for smscore_register_device()
- *
- * - smscore_getbuffer should zero fields
- *
- * Fix stop command
- */
-
-#include <linux/moduleparam.h>
-#include <linux/slab.h>
-#include <linux/firmware.h>
-#include <linux/delay.h>
-#include <linux/mmc/card.h>
-#include <linux/mmc/sdio_func.h>
-#include <linux/mmc/sdio_ids.h>
-#include <linux/module.h>
-
-#include "smscoreapi.h"
-#include "sms-cards.h"
-
-/* Registers */
-
-#define SMSSDIO_DATA 0x00
-#define SMSSDIO_INT 0x04
-#define SMSSDIO_BLOCK_SIZE 128
-
-static const struct sdio_device_id smssdio_ids[] __devinitconst = {
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_STELLAR),
- .driver_data = SMS1XXX_BOARD_SIANO_STELLAR},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_NOVA_A0),
- .driver_data = SMS1XXX_BOARD_SIANO_NOVA_A},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_NOVA_B0),
- .driver_data = SMS1XXX_BOARD_SIANO_NOVA_B},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_VEGA_A0),
- .driver_data = SMS1XXX_BOARD_SIANO_VEGA},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_VENICE),
- .driver_data = SMS1XXX_BOARD_SIANO_VEGA},
- { /* end: all zeroes */ },
-};
-
-MODULE_DEVICE_TABLE(sdio, smssdio_ids);
-
-struct smssdio_device {
- struct sdio_func *func;
-
- struct smscore_device_t *coredev;
-
- struct smscore_buffer_t *split_cb;
-};
-
-/*******************************************************************/
-/* Siano core callbacks */
-/*******************************************************************/
-
-static int smssdio_sendrequest(void *context, void *buffer, size_t size)
-{
- int ret = 0;
- struct smssdio_device *smsdev;
-
- smsdev = context;
-
- sdio_claim_host(smsdev->func);
-
- while (size >= smsdev->func->cur_blksize) {
- ret = sdio_memcpy_toio(smsdev->func, SMSSDIO_DATA,
- buffer, smsdev->func->cur_blksize);
- if (ret)
- goto out;
-
- buffer += smsdev->func->cur_blksize;
- size -= smsdev->func->cur_blksize;
- }
-
- if (size) {
- ret = sdio_memcpy_toio(smsdev->func, SMSSDIO_DATA,
- buffer, size);
- }
-
-out:
- sdio_release_host(smsdev->func);
-
- return ret;
-}
-
-/*******************************************************************/
-/* SDIO callbacks */
-/*******************************************************************/
-
-static void smssdio_interrupt(struct sdio_func *func)
-{
- int ret, isr;
-
- struct smssdio_device *smsdev;
- struct smscore_buffer_t *cb;
- struct SmsMsgHdr_ST *hdr;
- size_t size;
-
- smsdev = sdio_get_drvdata(func);
-
- /*
- * The interrupt register has no defined meaning. It is just
- * a way of turning of the level triggered interrupt.
- */
- isr = sdio_readb(func, SMSSDIO_INT, &ret);
- if (ret) {
- sms_err("Unable to read interrupt register!\n");
- return;
- }
-
- if (smsdev->split_cb == NULL) {
- cb = smscore_getbuffer(smsdev->coredev);
- if (!cb) {
- sms_err("Unable to allocate data buffer!\n");
- return;
- }
-
- ret = sdio_memcpy_fromio(smsdev->func,
- cb->p,
- SMSSDIO_DATA,
- SMSSDIO_BLOCK_SIZE);
- if (ret) {
- sms_err("Error %d reading initial block!\n", ret);
- return;
- }
-
- hdr = cb->p;
-
- if (hdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG) {
- smsdev->split_cb = cb;
- return;
- }
-
- if (hdr->msgLength > smsdev->func->cur_blksize)
- size = hdr->msgLength - smsdev->func->cur_blksize;
- else
- size = 0;
- } else {
- cb = smsdev->split_cb;
- hdr = cb->p;
-
- size = hdr->msgLength - sizeof(struct SmsMsgHdr_ST);
-
- smsdev->split_cb = NULL;
- }
-
- if (size) {
- void *buffer;
-
- buffer = cb->p + (hdr->msgLength - size);
- size = ALIGN(size, SMSSDIO_BLOCK_SIZE);
-
- BUG_ON(smsdev->func->cur_blksize != SMSSDIO_BLOCK_SIZE);
-
- /*
- * First attempt to transfer all of it in one go...
- */
- ret = sdio_memcpy_fromio(smsdev->func,
- buffer,
- SMSSDIO_DATA,
- size);
- if (ret && ret != -EINVAL) {
- smscore_putbuffer(smsdev->coredev, cb);
- sms_err("Error %d reading data from card!\n", ret);
- return;
- }
-
- /*
- * ..then fall back to one block at a time if that is
- * not possible...
- *
- * (we have to do this manually because of the
- * problem with the "increase address" bit)
- */
- if (ret == -EINVAL) {
- while (size) {
- ret = sdio_memcpy_fromio(smsdev->func,
- buffer, SMSSDIO_DATA,
- smsdev->func->cur_blksize);
- if (ret) {
- smscore_putbuffer(smsdev->coredev, cb);
- sms_err("Error %d reading "
- "data from card!\n", ret);
- return;
- }
-
- buffer += smsdev->func->cur_blksize;
- if (size > smsdev->func->cur_blksize)
- size -= smsdev->func->cur_blksize;
- else
- size = 0;
- }
- }
- }
-
- cb->size = hdr->msgLength;
- cb->offset = 0;
-
- smscore_onresponse(smsdev->coredev, cb);
-}
-
-static int __devinit smssdio_probe(struct sdio_func *func,
- const struct sdio_device_id *id)
-{
- int ret;
-
- int board_id;
- struct smssdio_device *smsdev;
- struct smsdevice_params_t params;
-
- board_id = id->driver_data;
-
- smsdev = kzalloc(sizeof(struct smssdio_device), GFP_KERNEL);
- if (!smsdev)
- return -ENOMEM;
-
- smsdev->func = func;
-
- memset(&params, 0, sizeof(struct smsdevice_params_t));
-
- params.device = &func->dev;
- params.buffer_size = 0x5000; /* ?? */
- params.num_buffers = 22; /* ?? */
- params.context = smsdev;
-
- snprintf(params.devpath, sizeof(params.devpath),
- "sdio\\%s", sdio_func_id(func));
-
- params.sendrequest_handler = smssdio_sendrequest;
-
- params.device_type = sms_get_board(board_id)->type;
-
- if (params.device_type != SMS_STELLAR)
- params.flags |= SMS_DEVICE_FAMILY2;
- else {
- /*
- * FIXME: Stellar needs special handling...
- */
- ret = -ENODEV;
- goto free;
- }
-
- ret = smscore_register_device(&params, &smsdev->coredev);
- if (ret < 0)
- goto free;
-
- smscore_set_board_id(smsdev->coredev, board_id);
-
- sdio_claim_host(func);
-
- ret = sdio_enable_func(func);
- if (ret)
- goto release;
-
- ret = sdio_set_block_size(func, SMSSDIO_BLOCK_SIZE);
- if (ret)
- goto disable;
-
- ret = sdio_claim_irq(func, smssdio_interrupt);
- if (ret)
- goto disable;
-
- sdio_set_drvdata(func, smsdev);
-
- sdio_release_host(func);
-
- ret = smscore_start_device(smsdev->coredev);
- if (ret < 0)
- goto reclaim;
-
- return 0;
-
-reclaim:
- sdio_claim_host(func);
- sdio_release_irq(func);
-disable:
- sdio_disable_func(func);
-release:
- sdio_release_host(func);
- smscore_unregister_device(smsdev->coredev);
-free:
- kfree(smsdev);
-
- return ret;
-}
-
-static void smssdio_remove(struct sdio_func *func)
-{
- struct smssdio_device *smsdev;
-
- smsdev = sdio_get_drvdata(func);
-
- /* FIXME: racy! */
- if (smsdev->split_cb)
- smscore_putbuffer(smsdev->coredev, smsdev->split_cb);
-
- smscore_unregister_device(smsdev->coredev);
-
- sdio_claim_host(func);
- sdio_release_irq(func);
- sdio_disable_func(func);
- sdio_release_host(func);
-
- kfree(smsdev);
-}
-
-static struct sdio_driver smssdio_driver = {
- .name = "smssdio",
- .id_table = smssdio_ids,
- .probe = smssdio_probe,
- .remove = smssdio_remove,
-};
-
-/*******************************************************************/
-/* Module functions */
-/*******************************************************************/
-
-static int __init smssdio_module_init(void)
-{
- int ret = 0;
-
- printk(KERN_INFO "smssdio: Siano SMS1xxx SDIO driver\n");
- printk(KERN_INFO "smssdio: Copyright Pierre Ossman\n");
-
- ret = sdio_register_driver(&smssdio_driver);
-
- return ret;
-}
-
-static void __exit smssdio_module_exit(void)
-{
- sdio_unregister_driver(&smssdio_driver);
-}
-
-module_init(smssdio_module_init);
-module_exit(smssdio_module_exit);
-
-MODULE_DESCRIPTION("Siano SMS1xxx SDIO driver");
-MODULE_AUTHOR("Pierre Ossman");
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2024-12-19 12:03:29 +0000