diff options
Diffstat (limited to 'drivers/misc/modem_if/modem_link_device_dpram_ext_op.c')
| -rw-r--r-- | drivers/misc/modem_if/modem_link_device_dpram_ext_op.c | 1306 |
1 files changed, 0 insertions, 1306 deletions
diff --git a/drivers/misc/modem_if/modem_link_device_dpram_ext_op.c b/drivers/misc/modem_if/modem_link_device_dpram_ext_op.c deleted file mode 100644 index 83f2cc302d8..00000000000 --- a/drivers/misc/modem_if/modem_link_device_dpram_ext_op.c +++ /dev/null @@ -1,1306 +0,0 @@ -/* - * Copyright (C) 2010 Samsung Electronics. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/irq.h> -#include <linux/gpio.h> -#include <linux/time.h> -#include <linux/interrupt.h> -#include <linux/timer.h> -#include <linux/wakelock.h> -#include <linux/delay.h> -#include <linux/wait.h> -#include <linux/sched.h> -#include <linux/vmalloc.h> -#include <linux/if_arp.h> -#include <linux/platform_device.h> -#include <linux/kallsyms.h> -#include <linux/platform_data/modem.h> - -#include "modem_prj.h" -#include "modem_link_device_dpram.h" -#include "modem_utils.h" - -#if defined(CONFIG_LTE_MODEM_CMC221) -/* -** For host (flashless) booting via DPRAM -*/ -#define CMC22x_AP_BOOT_DOWN_DONE 0x54329876 -#define CMC22x_CP_REQ_MAIN_BIN 0xA5A5A5A5 -#define CMC22x_CP_REQ_NV_DATA 0x5A5A5A5A -#define CMC22x_CP_DUMP_MAGIC 0xDEADDEAD - -#define CMC22x_HOST_DOWN_START 0x1234 -#define CMC22x_HOST_DOWN_END 0x4321 -#define CMC22x_REG_NV_DOWN_END 0xABCD -#define CMC22x_CAL_NV_DOWN_END 0xDCBA - -#define CMC22x_1ST_BUFF_READY 0xAAAA -#define CMC22x_2ND_BUFF_READY 0xBBBB -#define CMC22x_1ST_BUFF_FULL 0x1111 -#define CMC22x_2ND_BUFF_FULL 0x2222 - -#define CMC22x_CP_RECV_NV_END 0x8888 -#define CMC22x_CP_CAL_OK 0x4F4B -#define CMC22x_CP_CAL_BAD 0x4552 -#define CMC22x_CP_DUMP_END 0xFADE - -#define CMC22x_DUMP_BUFF_SIZE 8192 /* 8 KB */ -#endif - -#if defined(CONFIG_CDMA_MODEM_CBP72) -static void cbp72_init_boot_map(struct dpram_link_device *dpld) -{ - struct dpram_boot_map *bt_map = &dpld->bt_map; - - bt_map->magic = (u32 *)dpld->base; - bt_map->buff = (u8 *)(dpld->base + DP_BOOT_BUFF_OFFSET); - bt_map->size = dpld->size - 4; -} - -static void cbp72_init_dl_map(struct dpram_link_device *dpld) -{ - dpld->dl_map.magic = (u32 *)dpld->base; - dpld->dl_map.buff = (u8 *)(dpld->base + DP_DLOAD_BUFF_OFFSET); -} - -static int _cbp72_edpram_wait_resp(struct dpram_link_device *dpld, u32 resp) -{ - struct link_device *ld = &dpld->ld; - int ret; - int int2cp; - - ret = wait_for_completion_interruptible_timeout( - &dpld->udl_cmd_complete, UDL_TIMEOUT); - if (!ret) { - mif_info("%s: ERR! No UDL_CMD_RESP!!!\n", ld->name); - return -ENXIO; - } - - int2cp = dpld->recv_intr(dpld); - mif_debug("%s: int2cp = 0x%x\n", ld->name, int2cp); - if (resp == int2cp || int2cp == 0xA700) - return int2cp; - else - return -EINVAL; -} - -static int _cbp72_edpram_download_bin(struct dpram_link_device *dpld, - struct sk_buff *skb) -{ - struct link_device *ld = &dpld->ld; - struct dpram_boot_frame *bf = (struct dpram_boot_frame *)skb->data; - u8 __iomem *buff = dpld->bt_map.buff; - int err = 0; - - if (bf->len > dpld->bt_map.size) { - mif_info("%s: ERR! Out of DPRAM boundary\n", ld->name); - err = -EINVAL; - goto exit; - } - - if (bf->len) - memcpy(buff, bf->data, bf->len); - - init_completion(&dpld->udl_cmd_complete); - - if (bf->req) - dpld->send_intr(dpld, (u16)bf->req); - - if (bf->resp) { - err = _cbp72_edpram_wait_resp(dpld, bf->resp); - if (err < 0) { - mif_info("%s: ERR! wait_response fail (%d)\n", - ld->name, err); - goto exit; - } else if (err == bf->resp) { - err = skb->len; - } - } - -exit: - dev_kfree_skb_any(skb); - return err; -} - -static int cbp72_download_binary(struct dpram_link_device *dpld, - struct sk_buff *skb) -{ - if (dpld->type == EXT_DPRAM) - return _cbp72_edpram_download_bin(dpld, skb); - else - return -ENODEV; -} - -static int cbp72_dump_start(struct dpram_link_device *dpld) -{ - struct link_device *ld = &dpld->ld; - u8 *dest = dpld->ul_map.buff; - int ret; - - ld->mode = LINK_MODE_ULOAD; - - ret = del_timer(&dpld->crash_timer); - wake_lock(&dpld->wlock); - - iowrite32(DP_MAGIC_UMDL, dpld->ul_map.magic); - - iowrite8((u8)START_FLAG, dest + 0); - iowrite8((u8)0x1, dest + 1); - iowrite8((u8)0x1, dest + 2); - iowrite8((u8)0x0, dest + 3); - iowrite8((u8)END_FLAG, dest + 4); - - init_completion(&dpld->crash_start_complete); - - return 0; -} - -static int _cbp72_edpram_upload(struct dpram_link_device *dpld, - struct dpram_dump_arg *dump, unsigned char __user *target) -{ - struct link_device *ld = &dpld->ld; - struct ul_header header; - u8 *dest = NULL; - u8 *buff = NULL; - u16 plen = 0; - int err = 0; - int ret = 0; - int buff_size = 0; - - mif_debug("\n"); - - init_completion(&dpld->udl_cmd_complete); - - mif_debug("%s: req %x, resp %x", ld->name, dump->req, dump->resp); - - if (dump->req) - dpld->send_intr(dpld, (u16)dump->req); - - if (dump->resp) { - err = _cbp72_edpram_wait_resp(dpld, dump->resp); - if (err < 0) { - mif_info("%s: ERR! wait_response fail (%d)\n", - ld->name, err); - goto exit; - } - } - - if (dump->cmd) - return err; - - dest = (u8 *)dpld->ul_map.buff; - - header.bop = *(u8 *)(dest); - header.total_frame = *(u16 *)(dest + 1); - header.curr_frame = *(u16 *)(dest + 3); - header.len = *(u16 *)(dest + 5); - - mif_debug("%s: total frame:%d, current frame:%d, data len:%d\n", - ld->name, header.total_frame, header.curr_frame, header.len); - - plen = min_t(u16, header.len, DP_DEFAULT_DUMP_LEN); - - buff = vmalloc(DP_DEFAULT_DUMP_LEN); - if (!buff) { - err = -ENOMEM; - goto exit; - } - - memcpy(buff, dest + sizeof(struct ul_header), plen); - ret = copy_to_user(dump->buff, buff, plen); - if (ret < 0) { - mif_info("%s: ERR! dump copy_to_user fail\n", ld->name); - err = -EIO; - goto exit; - } - buff_size = plen; - - ret = copy_to_user(target + 4, &buff_size, sizeof(int)); - if (ret < 0) { - mif_info("%s: ERR! size copy_to_user fail\n", ld->name); - err = -EIO; - goto exit; - } - - vfree(buff); - return err; - -exit: - if (buff) - vfree(buff); - iowrite32(0, dpld->ul_map.magic); - wake_unlock(&dpld->wlock); - return err; -} - -static int cbp72_dump_update(struct dpram_link_device *dpld, void *arg) -{ - struct link_device *ld = &dpld->ld; - struct dpram_dump_arg dump; - int ret; - - ret = copy_from_user(&dump, (void __user *)arg, sizeof(dump)); - if (ret < 0) { - mif_info("%s: ERR! copy_from_user fail\n", ld->name); - return ret; - } - - return _cbp72_edpram_upload(dpld, &dump, (unsigned char __user *)arg); -} - -static int cbp72_set_dl_magic(struct link_device *ld, struct io_device *iod) -{ - struct dpram_link_device *dpld = to_dpram_link_device(ld); - - ld->mode = LINK_MODE_DLOAD; - - iowrite32(DP_MAGIC_DMDL, dpld->dl_map.magic); - - return 0; -} - -static int cbp72_ioctl(struct dpram_link_device *dpld, struct io_device *iod, - unsigned int cmd, unsigned long arg) -{ - struct link_device *ld = &dpld->ld; - int err = 0; - - switch (cmd) { - case IOCTL_MODEM_DL_START: - err = cbp72_set_dl_magic(ld, iod); - if (err < 0) - mif_err("%s: ERR! set_dl_magic fail\n", ld->name); - break; - - default: - mif_err("%s: ERR! invalid cmd 0x%08X\n", ld->name, cmd); - err = -EINVAL; - break; - } - - return err; -} -#endif - -#if defined(CONFIG_LTE_MODEM_CMC221) -/* For CMC221 SFR for IDPRAM */ -#define CMC_INT2CP_REG 0x10 /* Interrupt to CP */ -#define CMC_INT2AP_REG 0x50 -#define CMC_CLR_INT_REG 0x28 /* Clear Interrupt to AP */ -#define CMC_RESET_REG 0x3C -#define CMC_PUT_REG 0x40 /* AP->CP reg for hostbooting */ -#define CMC_GET_REG 0x50 /* CP->AP reg for hostbooting */ - -static void cmc221_init_boot_map(struct dpram_link_device *dpld) -{ - struct dpram_boot_map *bt_map = &dpld->bt_map; - - bt_map->buff = dpld->base; - bt_map->size = dpld->size; - bt_map->req = (u32 *)(dpld->base + DP_BOOT_REQ_OFFSET); - bt_map->resp = (u32 *)(dpld->base + DP_BOOT_RESP_OFFSET); -} - -static void cmc221_init_dl_map(struct dpram_link_device *dpld) -{ - dpld->dl_map.magic = (u32 *)dpld->base; - dpld->dl_map.buff = (u8 *)dpld->base; -} - -static void cmc221_init_ul_map(struct dpram_link_device *dpld) -{ - dpld->ul_map.magic = (u32 *)dpld->base; - dpld->ul_map.buff = (u8 *)dpld->base; -} - -static void cmc221_init_ipc_map(struct dpram_link_device *dpld) -{ - struct dpram_ipc_16k_map *dpram_map; - struct dpram_ipc_device *dev; - u8 __iomem *sfr_base = dpld->sfr_base; - - dpram_map = (struct dpram_ipc_16k_map *)dpld->base; - - /* Magic code and access enable fields */ - dpld->ipc_map.magic = (u16 __iomem *)&dpram_map->magic; - dpld->ipc_map.access = (u16 __iomem *)&dpram_map->access; - - /* FMT */ - dev = &dpld->ipc_map.dev[IPC_FMT]; - - strcpy(dev->name, "FMT"); - dev->id = IPC_FMT; - - dev->txq.head = (u16 __iomem *)&dpram_map->fmt_tx_head; - dev->txq.tail = (u16 __iomem *)&dpram_map->fmt_tx_tail; - dev->txq.buff = (u8 __iomem *)&dpram_map->fmt_tx_buff[0]; - dev->txq.size = DP_16K_FMT_TX_BUFF_SZ; - - dev->rxq.head = (u16 __iomem *)&dpram_map->fmt_rx_head; - dev->rxq.tail = (u16 __iomem *)&dpram_map->fmt_rx_tail; - dev->rxq.buff = (u8 __iomem *)&dpram_map->fmt_rx_buff[0]; - dev->rxq.size = DP_16K_FMT_RX_BUFF_SZ; - - dev->mask_req_ack = INT_MASK_REQ_ACK_F; - dev->mask_res_ack = INT_MASK_RES_ACK_F; - dev->mask_send = INT_MASK_SEND_F; - - /* RAW */ - dev = &dpld->ipc_map.dev[IPC_RAW]; - - strcpy(dev->name, "RAW"); - dev->id = IPC_RAW; - - dev->txq.head = (u16 __iomem *)&dpram_map->raw_tx_head; - dev->txq.tail = (u16 __iomem *)&dpram_map->raw_tx_tail; - dev->txq.buff = (u8 __iomem *)&dpram_map->raw_tx_buff[0]; - dev->txq.size = DP_16K_RAW_TX_BUFF_SZ; - - dev->rxq.head = (u16 __iomem *)&dpram_map->raw_rx_head; - dev->rxq.tail = (u16 __iomem *)&dpram_map->raw_rx_tail; - dev->rxq.buff = (u8 __iomem *)&dpram_map->raw_rx_buff[0]; - dev->rxq.size = DP_16K_RAW_RX_BUFF_SZ; - - dev->mask_req_ack = INT_MASK_REQ_ACK_R; - dev->mask_res_ack = INT_MASK_RES_ACK_R; - dev->mask_send = INT_MASK_SEND_R; - - /* SFR */ - dpld->sfr.int2cp = (u16 __iomem *)(sfr_base + CMC_INT2CP_REG); - dpld->sfr.int2ap = (u16 __iomem *)(sfr_base + CMC_INT2AP_REG); - dpld->sfr.clr_int2ap = (u16 __iomem *)(sfr_base + CMC_CLR_INT_REG); - dpld->sfr.reset = (u16 __iomem *)(sfr_base + CMC_RESET_REG); - dpld->sfr.msg2cp = (u16 __iomem *)(sfr_base + CMC_PUT_REG); - dpld->sfr.msg2ap = (u16 __iomem *)(sfr_base + CMC_GET_REG); - - /* Interrupt ports */ - dpld->ipc_map.mbx_cp2ap = dpld->sfr.int2ap; - dpld->ipc_map.mbx_ap2cp = dpld->sfr.int2cp; -} - -static inline void cmc221_idpram_reset(struct dpram_link_device *dpld) -{ - iowrite16(1, dpld->sfr.reset); -} - -static inline u16 cmc221_idpram_recv_msg(struct dpram_link_device *dpld) -{ - return ioread16(dpld->sfr.msg2ap); -} - -static inline void cmc221_idpram_send_msg(struct dpram_link_device *dpld, - u16 msg) -{ - iowrite16(msg, dpld->sfr.msg2cp); -} - -static int _cmc221_idpram_wait_resp(struct dpram_link_device *dpld, u32 resp) -{ - struct link_device *ld = &dpld->ld; - int count = 50000; - u32 rcvd = 0; - - if (resp == CMC22x_CP_REQ_NV_DATA) { - while (1) { - rcvd = ioread32(dpld->bt_map.resp); - if (rcvd == resp) - break; - - rcvd = cmc221_idpram_recv_msg(dpld); - if (rcvd == 0x9999) { - mif_info("%s: Invalid resp 0x%04X\n", - ld->name, rcvd); - panic("CP Crash ... BAD CRC in CP"); - } - - if (count-- < 0) { - mif_info("%s: Invalid resp 0x%08X\n", - ld->name, rcvd); - return -EAGAIN; - } - - udelay(100); - } - } else { - while (1) { - rcvd = cmc221_idpram_recv_msg(dpld); - - if (rcvd == resp) - break; - - if (resp == CMC22x_CP_RECV_NV_END && - rcvd == CMC22x_CP_CAL_BAD) { - mif_info("%s: CMC22x_CP_CAL_BAD\n", ld->name); - break; - } - - if (count-- < 0) { - mif_info("%s: Invalid resp 0x%04X\n", - ld->name, rcvd); - return -EAGAIN; - } - - udelay(100); - } - } - - return rcvd; -} - -static int _cmc221_idpram_send_boot(struct dpram_link_device *dpld, void *arg) -{ - struct link_device *ld = &dpld->ld; - u8 __iomem *bt_buff = dpld->bt_map.buff; - struct dpram_boot_img cp_img; - u8 *img_buff = NULL; - int err = 0; - int cnt = 0; - - ld->mode = LINK_MODE_BOOT; - - dpld->dpctl->setup_speed(DPRAM_SPEED_LOW); - - /* Test memory... After testing, memory is cleared. */ - if (mif_test_dpram(ld->name, bt_buff, dpld->bt_map.size) < 0) { - mif_info("%s: ERR! mif_test_dpram fail!\n", ld->name); - ld->mode = LINK_MODE_OFFLINE; - return -EIO; - } - - memset(&cp_img, 0, sizeof(struct dpram_boot_img)); - - /* Get information about the boot image */ - err = copy_from_user(&cp_img, arg, sizeof(cp_img)); - mif_info("%s: CP image addr = 0x%08X, size = %d\n", - ld->name, (int)cp_img.addr, cp_img.size); - - /* Alloc a buffer for the boot image */ - img_buff = kzalloc(dpld->bt_map.size, GFP_KERNEL); - if (!img_buff) { - mif_info("%s: ERR! kzalloc fail\n", ld->name); - ld->mode = LINK_MODE_OFFLINE; - return -ENOMEM; - } - - /* Copy boot image from the user space to the image buffer */ - err = copy_from_user(img_buff, cp_img.addr, cp_img.size); - - /* Copy boot image to DPRAM and verify it */ - memcpy(bt_buff, img_buff, cp_img.size); - if (memcmp16_to_io(bt_buff, img_buff, cp_img.size)) { - mif_info("%s: ERR! Boot may be broken!!!\n", ld->name); - goto err; - } - - cmc221_idpram_reset(dpld); - usleep_range(1000, 2000); - - if (cp_img.mode == HOST_BOOT_MODE_NORMAL) { - mif_info("%s: HOST_BOOT_MODE_NORMAL\n", ld->name); - mif_info("%s: Send req 0x%08X\n", ld->name, cp_img.req); - iowrite32(cp_img.req, dpld->bt_map.req); - - /* Wait for cp_img.resp for up to 2 seconds */ - mif_info("%s: Wait resp 0x%08X\n", ld->name, cp_img.resp); - while (ioread32(dpld->bt_map.resp) != cp_img.resp) { - cnt++; - usleep_range(1000, 2000); - - if (cnt > 1000) { - mif_info("%s: ERR! Invalid resp 0x%08X\n", - ld->name, ioread32(dpld->bt_map.resp)); - goto err; - } - } - } else { - mif_info("%s: HOST_BOOT_MODE_DUMP\n", ld->name); - } - - kfree(img_buff); - - mif_info("%s: Send BOOT done\n", ld->name); - - dpld->dpctl->setup_speed(DPRAM_SPEED_HIGH); - - return 0; - -err: - ld->mode = LINK_MODE_OFFLINE; - kfree(img_buff); - - mif_info("%s: ERR! Boot send fail!!!\n", ld->name); - return -EIO; -} - -static int cmc221_download_boot(struct dpram_link_device *dpld, void *arg) -{ - if (dpld->type == CP_IDPRAM) - return _cmc221_idpram_send_boot(dpld, arg); - else - return -ENODEV; -} - -static int _cmc221_idpram_download_bin(struct dpram_link_device *dpld, - struct sk_buff *skb) -{ - int err = 0; - int ret = 0; - struct link_device *ld = &dpld->ld; - struct dpram_boot_frame *bf = (struct dpram_boot_frame *)skb->data; - u8 __iomem *buff = (dpld->bt_map.buff + bf->offset); - - if ((bf->offset + bf->len) > dpld->bt_map.size) { - mif_info("%s: ERR! Out of DPRAM boundary\n", ld->name); - err = -EINVAL; - goto exit; - } - - if (bf->len) - memcpy(buff, bf->data, bf->len); - - if (bf->req) - cmc221_idpram_send_msg(dpld, (u16)bf->req); - - if (bf->resp) { - err = _cmc221_idpram_wait_resp(dpld, bf->resp); - if (err < 0) - mif_info("%s: ERR! wait_response fail (err %d)\n", - ld->name, err); - } - - if (bf->req == CMC22x_CAL_NV_DOWN_END) - mif_info("%s: CMC22x_CAL_NV_DOWN_END\n", ld->name); - -exit: - if (err < 0) - ret = err; - else - ret = skb->len; - - dev_kfree_skb_any(skb); - - return ret; -} - -static int cmc221_download_binary(struct dpram_link_device *dpld, - struct sk_buff *skb) -{ - if (dpld->type == CP_IDPRAM) - return _cmc221_idpram_download_bin(dpld, skb); - else - return -ENODEV; -} - -static int cmc221_dump_start(struct dpram_link_device *dpld) -{ - struct link_device *ld = &dpld->ld; - int ret; - - ld->mode = LINK_MODE_ULOAD; - - ret = del_timer(&dpld->crash_timer); - wake_lock(&dpld->wlock); - - dpld->crash_rcvd = 0; - iowrite32(CMC22x_CP_DUMP_MAGIC, dpld->ul_map.magic); - - init_completion(&dpld->crash_start_complete); - - return 0; -} - -static void _cmc221_idpram_wait_dump(unsigned long arg) -{ - struct dpram_link_device *dpld = (struct dpram_link_device *)arg; - u16 msg; - - msg = cmc221_idpram_recv_msg(dpld); - if (msg == CMC22x_CP_DUMP_END) { - complete_all(&dpld->crash_recv_done); - return; - } - - if (((dpld->crash_rcvd & 0x1) == 0) && (msg == CMC22x_1ST_BUFF_FULL)) { - complete_all(&dpld->crash_recv_done); - return; - } - - if (((dpld->crash_rcvd & 0x1) == 1) && (msg == CMC22x_2ND_BUFF_FULL)) { - complete_all(&dpld->crash_recv_done); - return; - } - - mif_add_timer(&dpld->crash_timer, DUMP_WAIT_TIMEOUT, - _cmc221_idpram_wait_dump, (unsigned long)dpld); -} - -static int _cmc221_idpram_upload(struct dpram_link_device *dpld, - struct dpram_dump_arg *dumparg) -{ - struct link_device *ld = &dpld->ld; - int ret; - u8 __iomem *src; - int buff_size = CMC22x_DUMP_BUFF_SIZE; - - if ((dpld->crash_rcvd & 0x1) == 0) - cmc221_idpram_send_msg(dpld, CMC22x_1ST_BUFF_READY); - else - cmc221_idpram_send_msg(dpld, CMC22x_2ND_BUFF_READY); - - init_completion(&dpld->crash_recv_done); - - mif_add_timer(&dpld->crash_timer, DUMP_WAIT_TIMEOUT, - _cmc221_idpram_wait_dump, (unsigned long)dpld); - - ret = wait_for_completion_interruptible_timeout( - &dpld->crash_recv_done, DUMP_TIMEOUT); - if (!ret) { - mif_info("%s: ERR! CP didn't send dump data!!!\n", ld->name); - goto err_out; - } - - if (cmc221_idpram_recv_msg(dpld) == CMC22x_CP_DUMP_END) { - mif_info("%s: CMC22x_CP_DUMP_END\n", ld->name); - return 0; - } - - if ((dpld->crash_rcvd & 0x1) == 0) - src = dpld->ul_map.buff; - else - src = dpld->ul_map.buff + CMC22x_DUMP_BUFF_SIZE; - - memcpy(dpld->buff, src, buff_size); - - ret = copy_to_user(dumparg->buff, dpld->buff, buff_size); - if (ret < 0) { - mif_info("%s: ERR! copy_to_user fail\n", ld->name); - goto err_out; - } - - dpld->crash_rcvd++; - return buff_size; - -err_out: - return -EIO; -} - -static int cmc221_dump_update(struct dpram_link_device *dpld, void *arg) -{ - struct link_device *ld = &dpld->ld; - struct dpram_dump_arg dump; - int ret; - - ret = copy_from_user(&dump, (void __user *)arg, sizeof(dump)); - if (ret < 0) { - mif_info("%s: ERR! copy_from_user fail\n", ld->name); - return ret; - } - - return _cmc221_idpram_upload(dpld, &dump); -} - -static int cmc221_ioctl(struct dpram_link_device *dpld, struct io_device *iod, - unsigned int cmd, unsigned long arg) -{ - struct link_device *ld = &dpld->ld; - int err = 0; - - switch (cmd) { - case IOCTL_DPRAM_SEND_BOOT: - err = cmc221_download_boot(dpld, (void *)arg); - if (err < 0) - mif_info("%s: ERR! download_boot fail\n", ld->name); - break; - - default: - mif_err("%s: ERR! invalid cmd 0x%08X\n", ld->name, cmd); - err = -EINVAL; - break; - } - - return err; -} - -static void cmc221_idpram_clr_int2ap(struct dpram_link_device *dpld) -{ - iowrite16(0xFFFF, dpld->sfr.clr_int2ap); -} - -static int cmc221_idpram_wakeup(struct dpram_link_device *dpld) -{ - struct link_device *ld = &dpld->ld; - struct modem_data *mdm_data = ld->mdm_data; - int cnt = 0; - - gpio_set_value(mdm_data->gpio_dpram_wakeup, 1); - - while (!gpio_get_value(mdm_data->gpio_dpram_status)) { - if (cnt++ > 10) { - if (in_irq()) - mif_err("ERR! gpio_dpram_status == 0 in IRQ\n"); - else - mif_err("ERR! gpio_dpram_status == 0\n"); - return -EACCES; - } - - mif_info("gpio_dpram_status == 0 (cnt %d)\n", cnt); - if (in_interrupt()) - udelay(1000); - else - usleep_range(1000, 2000); - } - - return 0; -} - -static void cmc221_idpram_sleep(struct dpram_link_device *dpld) -{ - struct link_device *ld = &dpld->ld; - gpio_set_value(ld->mdm_data->gpio_dpram_wakeup, 0); -} -#endif - -#if defined(CONFIG_CDMA_MODEM_MDM6600) || defined(CONFIG_GSM_MODEM_ESC6270) -enum qc_dload_tag { - QC_DLOAD_TAG_NONE = 0, - QC_DLOAD_TAG_BIN, - QC_DLOAD_TAG_NV, - QC_DLOAD_TAG_MAX -}; - -static void qc_dload_task(unsigned long data); - -static void qc_init_boot_map(struct dpram_link_device *dpld) -{ - struct qc_dpram_boot_map *qbt_map = &dpld->qc_bt_map; - struct modemlink_dpram_control *dpctl = dpld->dpctl; - - qbt_map->buff = dpld->base; - qbt_map->frame_size = (u16 *)(dpld->base + dpctl->boot_size_offset); - qbt_map->tag = (u16 *)(dpld->base + dpctl->boot_tag_offset); - qbt_map->count = (u16 *)(dpld->base + dpctl->boot_count_offset); - - tasklet_init(&dpld->dl_tsk, qc_dload_task, (unsigned long)dpld); -} - -static int qc_prepare_download(struct dpram_link_device *dpld) -{ - int retval = 0; - int count = 0; - - while (1) { - if (dpld->udl_check.copy_start) { - dpld->udl_check.copy_start = 0; - break; - } - - usleep_range(10000, 11000); - - count++; - if (count > 200) { - mif_err("ERR! count %d\n", count); - return -1; - } - } - - return retval; -} - -static void _qc_do_download(struct dpram_link_device *dpld, - struct dpram_udl_param *param) -{ - struct qc_dpram_boot_map *qbt_map = &dpld->qc_bt_map; - - if (param->size <= dpld->dpctl->max_boot_frame_size) { - memcpy(qbt_map->buff, param->addr, param->size); - iowrite16(param->size, qbt_map->frame_size); - iowrite16(param->tag, qbt_map->tag); - iowrite16(param->count, qbt_map->count); - dpld->send_intr(dpld, 0xDB12); - } else { - mif_info("param->size %d\n", param->size); - } -} - -static int _qc_download(struct dpram_link_device *dpld, void *arg, - enum qc_dload_tag tag) -{ - int retval = 0; - int count = 0; - int cnt_limit; - unsigned char *img; - struct dpram_udl_param param; - - retval = copy_from_user((void *)¶m, (void *)arg, sizeof(param)); - if (retval < 0) { - mif_err("ERR! copy_from_user fail\n"); - return -1; - } - - img = vmalloc(param.size); - if (!img) { - mif_err("ERR! vmalloc fail\n"); - return -1; - } - memset(img, 0, param.size); - memcpy(img, param.addr, param.size); - - dpld->udl_check.total_size = param.size; - dpld->udl_check.rest_size = param.size; - dpld->udl_check.send_size = 0; - dpld->udl_check.copy_complete = 0; - - dpld->udl_param.addr = img; - dpld->udl_param.size = dpld->dpctl->max_boot_frame_size; - if (tag == QC_DLOAD_TAG_NV) - dpld->udl_param.count = 1; - else - dpld->udl_param.count = param.count; - dpld->udl_param.tag = tag; - - if (dpld->udl_check.rest_size < dpld->dpctl->max_boot_frame_size) - dpld->udl_param.size = dpld->udl_check.rest_size; - - /* Download image (binary or NV) */ - _qc_do_download(dpld, &dpld->udl_param); - - /* Wait for completion - */ - if (tag == QC_DLOAD_TAG_NV) - cnt_limit = 200; - else - cnt_limit = 1000; - - while (1) { - if (dpld->udl_check.copy_complete) { - dpld->udl_check.copy_complete = 0; - retval = 0; - break; - } - - usleep_range(10000, 11000); - - count++; - if (count > cnt_limit) { - dpld->udl_check.total_size = 0; - dpld->udl_check.rest_size = 0; - mif_err("ERR! count %d\n", count); - retval = -1; - break; - } - } - - vfree(img); - - return retval; -} - -static int qc_download_binary(struct dpram_link_device *dpld, void *arg) -{ - return _qc_download(dpld, arg, QC_DLOAD_TAG_BIN); -} - -static int qc_download_nv(struct dpram_link_device *dpld, void *arg) -{ - return _qc_download(dpld, arg, QC_DLOAD_TAG_NV); -} - -static void qc_dload_task(unsigned long data) -{ - struct dpram_link_device *dpld = (struct dpram_link_device *)data; - - dpld->udl_check.send_size += dpld->udl_param.size; - dpld->udl_check.rest_size -= dpld->udl_param.size; - - dpld->udl_param.addr += dpld->udl_param.size; - - if (dpld->udl_check.send_size >= dpld->udl_check.total_size) { - dpld->udl_check.copy_complete = 1; - dpld->udl_param.tag = 0; - return; - } - - if (dpld->udl_check.rest_size < dpld->dpctl->max_boot_frame_size) - dpld->udl_param.size = dpld->udl_check.rest_size; - - dpld->udl_param.count += 1; - - _qc_do_download(dpld, &dpld->udl_param); -} - -static void qc_dload_cmd_handler(struct dpram_link_device *dpld, u16 cmd) -{ - switch (cmd) { - case 0x1234: - dpld->udl_check.copy_start = 1; - break; - - case 0xDBAB: - if (dpld->udl_check.total_size) - tasklet_schedule(&dpld->dl_tsk); - break; - - case 0xABCD: - dpld->udl_check.boot_complete = 1; - break; - - default: - mif_err("ERR! unknown command 0x%04X\n", cmd); - } -} - -static int qc_boot_start(struct dpram_link_device *dpld) -{ - u16 mask = 0; - int count = 0; - - /* Send interrupt -> '0x4567' */ - mask = 0x4567; - dpld->send_intr(dpld, mask); - - while (1) { - if (dpld->udl_check.boot_complete) { - dpld->udl_check.boot_complete = 0; - break; - } - - usleep_range(10000, 11000); - - count++; - if (count > 200) { - mif_err("ERR! count %d\n", count); - return -1; - } - } - - return 0; -} - -static int qc_boot_post_process(struct dpram_link_device *dpld) -{ - int count = 0; - - while (1) { - if (dpld->boot_start_complete) { - dpld->boot_start_complete = 0; - break; - } - - usleep_range(10000, 11000); - - count++; - if (count > 200) { - mif_err("ERR! count %d\n", count); - return -1; - } - } - - return 0; -} - -static void qc_start_handler(struct dpram_link_device *dpld) -{ - /* - * INT_MASK_VALID | INT_MASK_CMD | INT_MASK_CP_AIRPLANE_BOOT | - * INT_MASK_CP_AP_ANDROID | INT_MASK_CMD_INIT_END - */ - u16 mask = (0x0080 | 0x0040 | 0x1000 | 0x0100 | 0x0002); - - dpld->boot_start_complete = 1; - - /* Send INIT_END code to CP */ - mif_info("send 0x%04X (INIT_END)\n", mask); - - dpld->send_intr(dpld, mask); -} - -static void qc_crash_log(struct dpram_link_device *dpld) -{ - struct link_device *ld = &dpld->ld; - static unsigned char buf[151]; - u8 __iomem *data = NULL; - - data = dpld->get_rx_buff(dpld, IPC_FMT); - memcpy(buf, data, (sizeof(buf) - 1)); - - mif_info("PHONE ERR MSG\t| %s Crash\n", ld->mdm_data->name); - mif_info("PHONE ERR MSG\t| %s\n", buf); -} - -static int _qc_data_upload(struct dpram_link_device *dpld, - struct dpram_udl_param *param) -{ - struct qc_dpram_boot_map *qbt_map = &dpld->qc_bt_map; - int retval = 0; - u16 intval = 0; - int count = 0; - - while (1) { - if (!gpio_get_value(dpld->gpio_dpram_int)) { - intval = dpld->recv_intr(dpld); - if (intval == 0xDBAB) { - break; - } else { - mif_err("intr 0x%08x\n", intval); - return -1; - } - } - - usleep_range(1000, 2000); - - count++; - if (count > 200) { - mif_err("<%s:%d>\n", __func__, __LINE__); - return -1; - } - } - - param->size = ioread16(qbt_map->frame_size); - memcpy(param->addr, qbt_map->buff, param->size); - param->tag = ioread16(qbt_map->tag); - param->count = ioread16(qbt_map->count); - - dpld->send_intr(dpld, 0xDB12); - - return retval; -} - -static int qc_uload_step1(struct dpram_link_device *dpld) -{ - int retval = 0; - int count = 0; - u16 intval = 0; - u16 mask = 0; - - mif_info("+---------------------------------------------+\n"); - mif_info("| UPLOAD PHONE SDRAM |\n"); - mif_info("+---------------------------------------------+\n"); - - while (1) { - if (!gpio_get_value(dpld->gpio_dpram_int)) { - intval = dpld->recv_intr(dpld); - mif_info("intr 0x%04x\n", intval); - if (intval == 0x1234) { - break; - } else { - mif_info("ERR! invalid intr\n"); - return -1; - } - } - - usleep_range(1000, 2000); - - count++; - if (count > 200) { - intval = dpld->recv_intr(dpld); - mif_info("count %d, intr 0x%04x\n", count, intval); - if (intval == 0x1234) - break; - return -1; - } - } - - mask = 0xDEAD; - dpld->send_intr(dpld, mask); - - return retval; -} - -static int qc_uload_step2(struct dpram_link_device *dpld, void *arg) -{ - int retval = 0; - struct dpram_udl_param param; - - retval = copy_from_user((void *)¶m, (void *)arg, sizeof(param)); - if (retval < 0) { - mif_err("ERR! copy_from_user fail (err %d)\n", retval); - return -1; - } - - retval = _qc_data_upload(dpld, ¶m); - if (retval < 0) { - mif_err("ERR! _qc_data_upload fail (err %d)\n", retval); - return -1; - } - - if (!(param.count % 500)) - mif_info("param->count = %d\n", param.count); - - if (param.tag == 4) { - enable_irq(dpld->irq); - mif_info("param->tag = %d\n", param.tag); - } - - retval = copy_to_user((unsigned long *)arg, ¶m, sizeof(param)); - if (retval < 0) { - mif_err("ERR! copy_to_user fail (err %d)\n", retval); - return -1; - } - - return retval; -} - -static int qc_ioctl(struct dpram_link_device *dpld, struct io_device *iod, - unsigned int cmd, unsigned long arg) -{ - struct link_device *ld = &dpld->ld; - int err = 0; - - switch (cmd) { - case IOCTL_DPRAM_PHONE_POWON: - err = qc_prepare_download(dpld); - if (err < 0) - mif_info("%s: ERR! prepare_download fail\n", ld->name); - break; - - case IOCTL_DPRAM_PHONEIMG_LOAD: - err = qc_download_binary(dpld, (void *)arg); - if (err < 0) - mif_info("%s: ERR! download_binary fail\n", ld->name); - break; - - case IOCTL_DPRAM_NVDATA_LOAD: - err = qc_download_nv(dpld, (void *)arg); - if (err < 0) - mif_info("%s: ERR! download_nv fail\n", ld->name); - break; - - case IOCTL_DPRAM_PHONE_BOOTSTART: - err = qc_boot_start(dpld); - if (err < 0) { - mif_info("%s: ERR! boot_start fail\n", ld->name); - break; - } - - err = qc_boot_post_process(dpld); - if (err < 0) - mif_info("%s: ERR! boot_post_process fail\n", ld->name); - - break; - - case IOCTL_DPRAM_PHONE_UPLOAD_STEP1: - disable_irq_nosync(dpld->irq); - err = qc_uload_step1(dpld); - if (err < 0) { - enable_irq(dpld->irq); - mif_info("%s: ERR! upload_step1 fail\n", ld->name); - } - break; - - case IOCTL_DPRAM_PHONE_UPLOAD_STEP2: - err = qc_uload_step2(dpld, (void *)arg); - if (err < 0) { - enable_irq(dpld->irq); - mif_info("%s: ERR! upload_step2 fail\n", ld->name); - } - break; - - default: - mif_err("%s: ERR! invalid cmd 0x%08X\n", ld->name, cmd); - err = -EINVAL; - break; - } - - return err; -} - -static irqreturn_t qc_dpram_irq_handler(int irq, void *data) -{ - struct dpram_link_device *dpld = (struct dpram_link_device *)data; - struct link_device *ld = (struct link_device *)&dpld->ld; - u16 int2ap = 0; - - if (unlikely(ld->mode == LINK_MODE_OFFLINE)) - return IRQ_HANDLED; - - int2ap = dpld->recv_intr(dpld); - - if (int2ap == INT_POWERSAFE_FAIL) { - mif_info("%s: int2ap == INT_POWERSAFE_FAIL\n", ld->name); - goto exit; - } - - if (int2ap == 0x1234 || int2ap == 0xDBAB || int2ap == 0xABCD) { - qc_dload_cmd_handler(dpld, int2ap); - goto exit; - } - - if (likely(INT_VALID(int2ap))) - dpld->ipc_rx_handler(dpld, int2ap); - else - mif_info("%s: ERR! invalid intr 0x%04X\n", ld->name, int2ap); - -exit: - return IRQ_HANDLED; -} -#endif - -static struct dpram_ext_op ext_op_set[] = { -#ifdef CONFIG_CDMA_MODEM_CBP72 - [VIA_CBP72] = { - .exist = 1, - .init_boot_map = cbp72_init_boot_map, - .init_dl_map = cbp72_init_dl_map, - .download_binary = cbp72_download_binary, - .dump_start = cbp72_dump_start, - .dump_update = cbp72_dump_update, - .ioctl = cbp72_ioctl, - }, -#endif -#ifdef CONFIG_LTE_MODEM_CMC221 - [SEC_CMC221] = { - .exist = 1, - .init_boot_map = cmc221_init_boot_map, - .init_dl_map = cmc221_init_dl_map, - .init_ul_map = cmc221_init_ul_map, - .init_ipc_map = cmc221_init_ipc_map, - .download_binary = cmc221_download_binary, - .dump_start = cmc221_dump_start, - .dump_update = cmc221_dump_update, - .ioctl = cmc221_ioctl, - .clear_intr = cmc221_idpram_clr_int2ap, - .wakeup = cmc221_idpram_wakeup, - .sleep = cmc221_idpram_sleep, - }, -#endif -#if defined(CONFIG_CDMA_MODEM_MDM6600) - [QC_MDM6600] = { - .exist = 1, - .init_boot_map = qc_init_boot_map, - .cp_start_handler = qc_start_handler, - .crash_log = qc_crash_log, - .ioctl = qc_ioctl, - .irq_handler = qc_dpram_irq_handler, - }, -#endif -#if defined(CONFIG_GSM_MODEM_ESC6270) - [QC_ESC6270] = { - .exist = 1, - .init_boot_map = qc_init_boot_map, - .cp_start_handler = qc_start_handler, - .crash_log = qc_crash_log, - .ioctl = qc_ioctl, - .irq_handler = qc_dpram_irq_handler, - }, -#endif -}; - -struct dpram_ext_op *dpram_get_ext_op(enum modem_t modem) -{ - if (ext_op_set[modem].exist) - return &ext_op_set[modem]; - else - return NULL; -} - |