diff options
42 files changed, 2340 insertions, 665 deletions
diff --git a/Documentation/pci.txt b/Documentation/pci.txt index bb7bd27d468..d2c2e6e2b22 100644 --- a/Documentation/pci.txt +++ b/Documentation/pci.txt @@ -123,7 +123,7 @@ initialization with a pointer to a structure describing the driver The ID table is an array of struct pci_device_id entries ending with an -all-zero entry; use of the macro DECLARE_PCI_DEVICE_TABLE is the preferred +all-zero entry; use of the macro DEFINE_PCI_DEVICE_TABLE is the preferred method of declaring the table. Each entry consists of: vendor,device Vendor and device ID to match (or PCI_ANY_ID) @@ -193,7 +193,7 @@ Tips on when/where to use the above attributes: o Do not mark the struct pci_driver. o The ID table array should be marked __devinitconst; this is done - automatically if the table is declared with DECLARE_PCI_DEVICE_TABLE(). + automatically if the table is declared with DEFINE_PCI_DEVICE_TABLE(). o The probe() and remove() functions should be marked __devinit and __devexit respectively. All initialization functions diff --git a/Documentation/scheduler/sched-stats.txt b/Documentation/scheduler/sched-stats.txt index 442e14d35de..01e69404ee5 100644 --- a/Documentation/scheduler/sched-stats.txt +++ b/Documentation/scheduler/sched-stats.txt @@ -142,7 +142,7 @@ of idleness (idle, busy, and newly idle): /proc/<pid>/schedstat ---------------- -schedstats also adds a new /proc/<pid/schedstat file to include some of +schedstats also adds a new /proc/<pid>/schedstat file to include some of the same information on a per-process level. There are three fields in this file correlating for that process to: 1) time spent on the cpu diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 8fc4fe4e38f..589ac6f65b9 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1620,14 +1620,8 @@ static int __init rc_init_drivers(void) static void rc_release_drivers(void) { - unsigned long flags; - - spin_lock_irqsave(&riscom_lock, flags); - tty_unregister_driver(riscom_driver); put_tty_driver(riscom_driver); - - spin_unlock_irqrestore(&riscom_lock, flags); } #ifndef MODULE diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c index 92583cd4bff..6e72fd31184 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/pca953x.c @@ -184,6 +184,7 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios) gc->direction_output = pca953x_gpio_direction_output; gc->get = pca953x_gpio_get_value; gc->set = pca953x_gpio_set_value; + gc->can_sleep = 1; gc->base = chip->gpio_start; gc->ngpio = gpios; diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h index dd22d91f8b3..c972e5d03a3 100644 --- a/drivers/input/serio/i8042.h +++ b/drivers/input/serio/i8042.h @@ -16,7 +16,7 @@ #if defined(CONFIG_MACH_JAZZ) #include "i8042-jazzio.h" -#elif defined(CONFIG_SGI_IP22) +#elif defined(CONFIG_SGI_HAS_I8042) #include "i8042-ip22io.h" #elif defined(CONFIG_PPC) #include "i8042-ppcio.h" diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 831aed9c56f..c14dacdacfa 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1045,7 +1045,8 @@ void bitmap_daemon_work(struct bitmap *bitmap) if (bitmap == NULL) return; if (time_before(jiffies, bitmap->daemon_lastrun + bitmap->daemon_sleep*HZ)) - return; + goto done; + bitmap->daemon_lastrun = jiffies; if (bitmap->allclean) { bitmap->mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT; @@ -1142,6 +1143,7 @@ void bitmap_daemon_work(struct bitmap *bitmap) } } + done: if (bitmap->allclean == 0) bitmap->mddev->thread->timeout = bitmap->daemon_sleep * HZ; } diff --git a/drivers/md/md.c b/drivers/md/md.c index 827824a9f3e..ccbbf63727c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5149,7 +5149,7 @@ static int md_seq_show(struct seq_file *seq, void *v) if (mddev->ro==1) seq_printf(seq, " (read-only)"); if (mddev->ro==2) - seq_printf(seq, "(auto-read-only)"); + seq_printf(seq, " (auto-read-only)"); seq_printf(seq, " %s", mddev->pers->name); } diff --git a/drivers/memstick/Kconfig b/drivers/memstick/Kconfig index 1093fdb0729..f0ca41c2032 100644 --- a/drivers/memstick/Kconfig +++ b/drivers/memstick/Kconfig @@ -8,7 +8,7 @@ menuconfig MEMSTICK Sony MemoryStick is a proprietary storage/extension card protocol. If you want MemoryStick support, you should say Y here and also - to the specific driver for your MMC interface. + to the specific driver for your MemoryStick interface. if MEMSTICK diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index bba467fe4bc..de80dba12f9 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -18,7 +18,6 @@ #include <linux/delay.h> #define DRIVER_NAME "memstick" -#define DRIVER_VERSION "0.2" static unsigned int cmd_retries = 3; module_param(cmd_retries, uint, 0644); @@ -236,7 +235,7 @@ int memstick_next_req(struct memstick_host *host, struct memstick_request **mrq) rc = host->card->next_request(host->card, mrq); if (!rc) - host->retries = cmd_retries; + host->retries = cmd_retries > 1 ? cmd_retries - 1 : 1; else *mrq = NULL; @@ -271,7 +270,7 @@ void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc, mrq->data_dir = READ; mrq->sg = *sg; - mrq->io_type = MEMSTICK_IO_SG; + mrq->long_data = 1; if (tpc == MS_TPC_SET_CMD || tpc == MS_TPC_EX_SET_CMD) mrq->need_card_int = 1; @@ -306,7 +305,7 @@ void memstick_init_req(struct memstick_request *mrq, unsigned char tpc, if (mrq->data_dir == WRITE) memcpy(mrq->data, buf, mrq->data_len); - mrq->io_type = MEMSTICK_IO_VAL; + mrq->long_data = 0; if (tpc == MS_TPC_SET_CMD || tpc == MS_TPC_EX_SET_CMD) mrq->need_card_int = 1; @@ -561,6 +560,31 @@ void memstick_free_host(struct memstick_host *host) } EXPORT_SYMBOL(memstick_free_host); +/** + * memstick_suspend_host - notify bus driver of host suspension + * @host - host to use + */ +void memstick_suspend_host(struct memstick_host *host) +{ + mutex_lock(&host->lock); + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF); + mutex_unlock(&host->lock); +} +EXPORT_SYMBOL(memstick_suspend_host); + +/** + * memstick_resume_host - notify bus driver of host resumption + * @host - host to use + */ +void memstick_resume_host(struct memstick_host *host) +{ + mutex_lock(&host->lock); + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON); + mutex_unlock(&host->lock); + memstick_detect_change(host); +} +EXPORT_SYMBOL(memstick_resume_host); + int memstick_register_driver(struct memstick_driver *drv) { drv->driver.bus = &memstick_bus_type; @@ -611,4 +635,3 @@ module_exit(memstick_exit); MODULE_AUTHOR("Alex Dubov"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Sony MemoryStick core driver"); -MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c index 423ad8cf4bb..1d637e4561d 100644 --- a/drivers/memstick/core/mspro_block.c +++ b/drivers/memstick/core/mspro_block.c @@ -16,10 +16,10 @@ #include <linux/idr.h> #include <linux/hdreg.h> #include <linux/kthread.h> +#include <linux/delay.h> #include <linux/memstick.h> #define DRIVER_NAME "mspro_block" -#define DRIVER_VERSION "0.2" static int major; module_param(major, int, 0644); @@ -110,6 +110,17 @@ struct mspro_mbr { unsigned int sectors_per_partition; } __attribute__((packed)); +struct mspro_specfile { + char name[8]; + char ext[3]; + unsigned char attr; + unsigned char reserved[10]; + unsigned short time; + unsigned short date; + unsigned short cluster; + unsigned int size; +} __attribute__((packed)); + struct mspro_devinfo { unsigned short cylinders; unsigned short heads; @@ -293,6 +304,20 @@ static ssize_t mspro_block_attr_show_sysinfo(struct device *dev, dev_attr); struct mspro_sys_info *x_sys = x_attr->data; ssize_t rc = 0; + int date_tz = 0, date_tz_f = 0; + + if (x_sys->assembly_date[0] > 0x80U) { + date_tz = (~x_sys->assembly_date[0]) + 1; + date_tz_f = date_tz & 3; + date_tz >>= 2; + date_tz = -date_tz; + date_tz_f *= 15; + } else if (x_sys->assembly_date[0] < 0x80U) { + date_tz = x_sys->assembly_date[0]; + date_tz_f = date_tz & 3; + date_tz >>= 2; + date_tz_f *= 15; + } rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "class: %x\n", x_sys->class); @@ -305,8 +330,8 @@ static ssize_t mspro_block_attr_show_sysinfo(struct device *dev, rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "page size: %x\n", be16_to_cpu(x_sys->page_size)); rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "assembly date: " - "%d %04u-%02u-%02u %02u:%02u:%02u\n", - x_sys->assembly_date[0], + "GMT%+d:%d %04u-%02u-%02u %02u:%02u:%02u\n", + date_tz, date_tz_f, be16_to_cpu(*(unsigned short *) &x_sys->assembly_date[1]), x_sys->assembly_date[3], x_sys->assembly_date[4], @@ -398,6 +423,41 @@ static ssize_t mspro_block_attr_show_mbr(struct device *dev, return rc; } +static ssize_t mspro_block_attr_show_specfile(struct device *dev, + struct device_attribute *attr, + char *buffer) +{ + struct mspro_sys_attr *x_attr = container_of(attr, + struct mspro_sys_attr, + dev_attr); + struct mspro_specfile *x_spfile = x_attr->data; + char name[9], ext[4]; + ssize_t rc = 0; + + memcpy(name, x_spfile->name, 8); + name[8] = 0; + memcpy(ext, x_spfile->ext, 3); + ext[3] = 0; + + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "name: %s\n", name); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "ext: %s\n", ext); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "attribute: %x\n", + x_spfile->attr); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "time: %d:%d:%d\n", + x_spfile->time >> 11, + (x_spfile->time >> 5) & 0x3f, + (x_spfile->time & 0x1f) * 2); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "date: %d-%d-%d\n", + (x_spfile->date >> 9) + 1980, + (x_spfile->date >> 5) & 0xf, + x_spfile->date & 0x1f); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "start cluster: %x\n", + x_spfile->cluster); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "size: %x\n", + x_spfile->size); + return rc; +} + static ssize_t mspro_block_attr_show_devinfo(struct device *dev, struct device_attribute *attr, char *buffer) @@ -430,6 +490,9 @@ static sysfs_show_t mspro_block_attr_show(unsigned char tag) return mspro_block_attr_show_modelname; case MSPRO_BLOCK_ID_MBR: return mspro_block_attr_show_mbr; + case MSPRO_BLOCK_ID_SPECFILEVALUES1: + case MSPRO_BLOCK_ID_SPECFILEVALUES2: + return mspro_block_attr_show_specfile; case MSPRO_BLOCK_ID_DEVINFO: return mspro_block_attr_show_devinfo; default: @@ -629,7 +692,7 @@ static void mspro_block_process_request(struct memstick_dev *card, param.system = msb->system; param.data_count = cpu_to_be16(page_count); param.data_address = cpu_to_be32((uint32_t)t_sec); - param.cmd_param = 0; + param.tpc_param = 0; msb->data_dir = rq_data_dir(req); msb->transfer_cmd = msb->data_dir == READ @@ -758,10 +821,10 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card) struct memstick_host *host = card->host; struct mspro_block_data *msb = memstick_get_drvdata(card); struct mspro_param_register param = { - .system = 0, + .system = MEMSTICK_SYS_PAR4, .data_count = 0, .data_address = 0, - .cmd_param = 0 + .tpc_param = 0 }; card->next_request = h_mspro_block_req_init; @@ -773,8 +836,8 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card) if (card->current_mrq.error) return card->current_mrq.error; - msb->system = 0; - host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_PARALLEL); + msb->system = MEMSTICK_SYS_PAR4; + host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_PAR4); card->next_request = h_mspro_block_req_init; msb->mrq_handler = h_mspro_block_default; @@ -783,8 +846,24 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card) wait_for_completion(&card->mrq_complete); if (card->current_mrq.error) { - msb->system = 0x80; + msb->system = MEMSTICK_SYS_SERIAL; + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF); + msleep(1000); + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON); host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_SERIAL); + + if (memstick_set_rw_addr(card)) + return card->current_mrq.error; + + param.system = msb->system; + + card->next_request = h_mspro_block_req_init; + msb->mrq_handler = h_mspro_block_default; + memstick_init_req(&card->current_mrq, MS_TPC_WRITE_REG, ¶m, + sizeof(param)); + memstick_new_req(host); + wait_for_completion(&card->mrq_complete); + return -EFAULT; } @@ -802,7 +881,7 @@ static int mspro_block_read_attributes(struct memstick_dev *card) .system = msb->system, .data_count = cpu_to_be16(1), .data_address = 0, - .cmd_param = 0 + .tpc_param = 0 }; struct mspro_attribute *attr = NULL; struct mspro_sys_attr *s_attr = NULL; @@ -922,7 +1001,7 @@ static int mspro_block_read_attributes(struct memstick_dev *card) param.system = msb->system; param.data_count = cpu_to_be16((rc / msb->page_size) + 1); param.data_address = cpu_to_be32(addr / msb->page_size); - param.cmd_param = 0; + param.tpc_param = 0; sg_init_one(&msb->req_sg[0], buffer, be16_to_cpu(param.data_count) * msb->page_size); @@ -964,7 +1043,7 @@ static int mspro_block_init_card(struct memstick_dev *card) struct memstick_host *host = card->host; int rc = 0; - msb->system = 0x80; + msb->system = MEMSTICK_SYS_SERIAL; card->reg_addr.r_offset = offsetof(struct mspro_register, status); card->reg_addr.r_length = sizeof(struct ms_status_register); card->reg_addr.w_offset = offsetof(struct mspro_register, param); @@ -973,7 +1052,7 @@ static int mspro_block_init_card(struct memstick_dev *card) if (memstick_set_rw_addr(card)) return -EIO; - if (host->caps & MEMSTICK_CAP_PARALLEL) { + if (host->caps & MEMSTICK_CAP_PAR4) { if (mspro_block_switch_to_parallel(card)) printk(KERN_WARNING "%s: could not switch to " "parallel interface\n", card->dev.bus_id); @@ -1348,4 +1427,3 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Alex Dubov"); MODULE_DESCRIPTION("Sony MemoryStickPro block device driver"); MODULE_DEVICE_TABLE(memstick, mspro_block_id_tbl); -MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/memstick/host/Kconfig b/drivers/memstick/host/Kconfig index c002fcc3c87..4ce5c8dffb6 100644 --- a/drivers/memstick/host/Kconfig +++ b/drivers/memstick/host/Kconfig @@ -20,3 +20,13 @@ config MEMSTICK_TIFM_MS To compile this driver as a module, choose M here: the module will be called tifm_ms. +config MEMSTICK_JMICRON_38X + tristate "JMicron JMB38X MemoryStick interface support (EXPERIMENTAL)" + depends on EXPERIMENTAL && PCI + + help + Say Y here if you want to be able to access MemoryStick cards with + the JMicron(R) JMB38X MemoryStick card reader. + + To compile this driver as a module, choose M here: the + module will be called jmb38x_ms. diff --git a/drivers/memstick/host/Makefile b/drivers/memstick/host/Makefile index ee666380efa..12530e4311d 100644 --- a/drivers/memstick/host/Makefile +++ b/drivers/memstick/host/Makefile @@ -3,8 +3,8 @@ # ifeq ($(CONFIG_MEMSTICK_DEBUG),y) - EXTRA_CFLAGS += -DDEBUG + EXTRA_CFLAGS += -DDEBUG endif -obj-$(CONFIG_MEMSTICK_TIFM_MS) += tifm_ms.o - +obj-$(CONFIG_MEMSTICK_TIFM_MS) += tifm_ms.o +obj-$(CONFIG_MEMSTICK_JMICRON_38X) += jmb38x_ms.o diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c new file mode 100644 index 00000000000..03fe8783b1e --- /dev/null +++ b/drivers/memstick/host/jmb38x_ms.c @@ -0,0 +1,945 @@ +/* + * jmb38x_ms.c - JMicron jmb38x MemoryStick card reader + * + * Copyright (C) 2008 Alex Dubov <oakad@yahoo.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/highmem.h> +#include <linux/memstick.h> + +#define DRIVER_NAME "jmb38x_ms" + +static int no_dma; +module_param(no_dma, bool, 0644); + +enum { + DMA_ADDRESS = 0x00, + BLOCK = 0x04, + DMA_CONTROL = 0x08, + TPC_P0 = 0x0c, + TPC_P1 = 0x10, + TPC = 0x14, + HOST_CONTROL = 0x18, + DATA = 0x1c, + STATUS = 0x20, + INT_STATUS = 0x24, + INT_STATUS_ENABLE = 0x28, + INT_SIGNAL_ENABLE = 0x2c, + TIMER = 0x30, + TIMER_CONTROL = 0x34, + PAD_OUTPUT_ENABLE = 0x38, + PAD_PU_PD = 0x3c, + CLOCK_DELAY = 0x40, + ADMA_ADDRESS = 0x44, + CLOCK_CONTROL = 0x48, + LED_CONTROL = 0x4c, + VERSION = 0x50 +}; + +struct jmb38x_ms_host { + struct jmb38x_ms *chip; + void __iomem *addr; + spinlock_t lock; + int id; + char host_id[DEVICE_ID_SIZE]; + int irq; + unsigned int block_pos; + unsigned long timeout_jiffies; + struct timer_list timer; + struct memstick_request *req; + unsigned char eject:1, + use_dma:1; + unsigned char cmd_flags; + unsigned char io_pos; + unsigned int io_word[2]; +}; + +struct jmb38x_ms { + struct pci_dev *pdev; + int host_cnt; + struct memstick_host *hosts[]; +}; + +#define BLOCK_COUNT_MASK 0xffff0000 +#define BLOCK_SIZE_MASK 0x00000fff + +#define DMA_CONTROL_ENABLE 0x00000001 + +#define TPC_DATA_SEL 0x00008000 +#define TPC_DIR 0x00004000 +#define TPC_WAIT_INT 0x00002000 +#define TPC_GET_INT 0x00000800 +#define TPC_CODE_SZ_MASK 0x00000700 +#define TPC_DATA_SZ_MASK 0x00000007 + +#define HOST_CONTROL_RESET_REQ 0x00008000 +#define HOST_CONTROL_REI 0x00004000 +#define HOST_CONTROL_LED 0x00000400 +#define HOST_CONTROL_FAST_CLK 0x00000200 +#define HOST_CONTROL_RESET 0x00000100 +#define HOST_CONTROL_POWER_EN 0x00000080 +#define HOST_CONTROL_CLOCK_EN 0x00000040 +#define HOST_CONTROL_IF_SHIFT 4 + +#define HOST_CONTROL_IF_SERIAL 0x0 +#define HOST_CONTROL_IF_PAR4 0x1 +#define HOST_CONTROL_IF_PAR8 0x3 + +#define STATUS_HAS_MEDIA 0x00000400 +#define STATUS_FIFO_EMPTY 0x00000200 +#define STATUS_FIFO_FULL 0x00000100 + +#define INT_STATUS_TPC_ERR 0x00080000 +#define INT_STATUS_CRC_ERR 0x00040000 +#define INT_STATUS_TIMER_TO 0x00020000 +#define INT_STATUS_HSK_TO 0x00010000 +#define INT_STATUS_ANY_ERR 0x00008000 +#define INT_STATUS_FIFO_WRDY 0x00000080 +#define INT_STATUS_FIFO_RRDY 0x00000040 +#define INT_STATUS_MEDIA_OUT 0x00000010 +#define INT_STATUS_MEDIA_IN 0x00000008 +#define INT_STATUS_DMA_BOUNDARY 0x00000004 +#define INT_STATUS_EOTRAN 0x00000002 +#define INT_STATUS_EOTPC 0x00000001 + +#define INT_STATUS_ALL 0x000f801f + +#define PAD_OUTPUT_ENABLE_MS 0x0F3F + +#define PAD_PU_PD_OFF 0x7FFF0000 +#define PAD_PU_PD_ON_MS_SOCK0 0x5f8f0000 +#define PAD_PU_PD_ON_MS_SOCK1 0x0f0f0000 + +enum { + CMD_READY = 0x01, + FIFO_READY = 0x02, + REG_DATA = 0x04, + AUTO_GET_INT = 0x08 +}; + +static unsigned int jmb38x_ms_read_data(struct jmb38x_ms_host *host, + unsigned char *buf, unsigned int length) +{ + unsigned int off = 0; + + while (host->io_pos && length) { + buf[off++] = host->io_word[0] & 0xff; + host->io_word[0] >>= 8; + length--; + host->io_pos--; + } + + if (!length) + return off; + + while (!(STATUS_FIFO_EMPTY & readl(host->addr + STATUS))) { + if (length < 4) + break; + *(unsigned int *)(buf + off) = __raw_readl(host->addr + DATA); + length -= 4; + off += 4; + } + + if (length + && !(STATUS_FIFO_EMPTY & readl(host->addr + STATUS))) { + host->io_word[0] = readl(host->addr + DATA); + for (host->io_pos = 4; host->io_pos; --host->io_pos) { + buf[off++] = host->io_word[0] & 0xff; + host->io_word[0] >>= 8; + length--; + if (!length) + break; + } + } + + return off; +} + +static unsigned int jmb38x_ms_read_reg_data(struct jmb38x_ms_host *host, + unsigned char *buf, + unsigned int length) +{ + unsigned int off = 0; + + while (host->io_pos > 4 && length) { + buf[off++] = host->io_word[0] & 0xff; + host->io_word[0] >>= 8; + length--; + host->io_pos--; + } + + if (!length) + return off; + + while (host->io_pos && length) { + buf[off++] = host->io_word[1] & 0xff; + host->io_word[1] >>= 8; + length--; + host->io_pos--; + } + + return off; +} + +static unsigned int jmb38x_ms_write_data(struct jmb38x_ms_host *host, + unsigned char *buf, + unsigned int length) +{ + unsigned int off = 0; + + if (host->io_pos) { + while (host->io_pos < 4 && length) { + host->io_word[0] |= buf[off++] << (host->io_pos * 8); + host->io_pos++; + length--; + } + } + + if (host->io_pos == 4 + && !(STATUS_FIFO_FULL & readl(host->addr + STATUS))) { + writel(host->io_word[0], host->addr + DATA); + host->io_pos = 0; + host->io_word[0] = 0; + } else if (host->io_pos) { + return off; + } + + if (!length) + return off; + + while (!(STATUS_FIFO_FULL & readl(host->addr + STATUS))) { + if (length < 4) + break; + + __raw_writel(*(unsigned int *)(buf + off), + host->addr + DATA); + length -= 4; + off += 4; + } + + switch (length) { + case 3: + host->io_word[0] |= buf[off + 2] << 16; + host->io_pos++; + case 2: + host->io_word[0] |= buf[off + 1] << 8; + host->io_pos++; + case 1: + host->io_word[0] |= buf[off]; + host->io_pos++; + } + + off += host->io_pos; + + return off; +} + +static unsigned int jmb38x_ms_write_reg_data(struct jmb38x_ms_host *host, + unsigned char *buf, + unsigned int length) +{ + unsigned int off = 0; + + while (host->io_pos < 4 && length) { + host->io_word[0] &= ~(0xff << (host->io_pos * 8)); + host->io_word[0] |= buf[off++] << (host->io_pos * 8); + host->io_pos++; + length--; + } + + if (!length) + return off; + + while (host->io_pos < 8 && length) { + host->io_word[1] &= ~(0xff << (host->io_pos * 8)); + host->io_word[1] |= buf[off++] << (host->io_pos * 8); + host->io_pos++; + length--; + } + + return off; +} + +static int jmb38x_ms_transfer_data(struct jmb38x_ms_host *host) +{ + unsigned int length; + unsigned int off; + unsigned int t_size, p_off, p_cnt; + unsigned char *buf; + struct page *pg; + unsigned long flags = 0; + + if (host->req->long_data) { + length = host->req->sg.length - host->block_pos; + off = host->req->sg.offset + host->block_pos; + } else { + length = host->req->data_len - host->block_pos; + off = 0; + } + + while (length) { + if (host->req->long_data) { + pg = nth_page(sg_page(&host->req->sg), + off >> PAGE_SHIFT); + p_off = offset_in_page(off); + p_cnt = PAGE_SIZE - p_off; + p_cnt = min(p_cnt, length); + + local_irq_save(flags); + buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + p_off; + } else { + buf = host->req->data + host->block_pos; + p_cnt = host->req->data_len - host->block_pos; + } + + if (host->req->data_dir == WRITE) + t_size = !(host->cmd_flags & REG_DATA) + ? jmb38x_ms_write_data(host, buf, p_cnt) + : jmb38x_ms_write_reg_data(host, buf, p_cnt); + else + t_size = !(host->cmd_flags & REG_DATA) + ? jmb38x_ms_read_data(host, buf, p_cnt) + : jmb38x_ms_read_reg_data(host, buf, p_cnt); + + if (host->req->long_data) { + kunmap_atomic(buf - p_off, KM_BIO_SRC_IRQ); + local_irq_restore(flags); + } + + if (!t_size) + break; + host->block_pos += t_size; + length -= t_size; + off += t_size; + } + + if (!length && host->req->data_dir == WRITE) { + if (host->cmd_flags & REG_DATA) { + writel(host->io_word[0], host->addr + TPC_P0); + writel(host->io_word[1], host->addr + TPC_P1); + } else if (host->io_pos) { + writel(host->io_word[0], host->addr + DATA); + } + } + + return length; +} + +static int jmb38x_ms_issue_cmd(struct memstick_host *msh) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned char *data; + unsigned int data_len, cmd, t_val; + + if (!(STATUS_HAS_MEDIA & readl(host->addr + STATUS))) { + dev_dbg(msh->cdev.dev, "no media status\n"); + host->req->error = -ETIME; + return host->req->error; + } + + dev_dbg(msh->cdev.dev, "control %08x\n", + readl(host->addr + HOST_CONTROL)); + dev_dbg(msh->cdev.dev, "status %08x\n", readl(host->addr + INT_STATUS)); + dev_dbg(msh->cdev.dev, "hstatus %08x\n", readl(host->addr + STATUS)); + + host->cmd_flags = 0; + host->block_pos = 0; + host->io_pos = 0; + host->io_word[0] = 0; + host->io_word[1] = 0; + + cmd = host->req->tpc << 16; + cmd |= TPC_DATA_SEL; + + if (host->req->data_dir == READ) + cmd |= TPC_DIR; + if (host->req->need_card_int) + cmd |= TPC_WAIT_INT; + if (host->req->get_int_reg) + cmd |= TPC_GET_INT; + + data = host->req->data; + + host->use_dma = !no_dma; + + if (host->req->long_data) { + data_len = host->req->sg.length; + } else { + data_len = host->req->data_len; + host->use_dma = 0; + } + + if (data_len <= 8) { + cmd &= ~(TPC_DATA_SEL | 0xf); + host->cmd_flags |= REG_DATA; + cmd |= data_len & 0xf; + host->use_dma = 0; + } + + if (host->use_dma) { + if (1 != pci_map_sg(host->chip->pdev, &host->req->sg, 1, + host->req->data_dir == READ + ? PCI_DMA_FROMDEVICE + : PCI_DMA_TODEVICE)) { + host->req->error = -ENOMEM; + return host->req->error; + } + data_len = sg_dma_len(&host->req->sg); + writel(sg_dma_address(&host->req->sg), + host->addr + DMA_ADDRESS); + writel(((1 << 16) & BLOCK_COUNT_MASK) + | (data_len & BLOCK_SIZE_MASK), + host->addr + BLOCK); + writel(DMA_CONTROL_ENABLE, host->addr + DMA_CONTROL); + } else if (!(host->cmd_flags & REG_DATA)) { + writel(((1 << 16) & BLOCK_COUNT_MASK) + | (data_len & BLOCK_SIZE_MASK), + host->addr + BLOCK); + t_val = readl(host->addr + INT_STATUS_ENABLE); + t_val |= host->req->data_dir == READ + ? INT_STATUS_FIFO_RRDY + : INT_STATUS_FIFO_WRDY; + + writel(t_val, host->addr + INT_STATUS_ENABLE); + writel(t_val, host->addr + INT_SIGNAL_ENABLE); + } else { + cmd &= ~(TPC_DATA_SEL | 0xf); + host->cmd_flags |= REG_DATA; + cmd |= data_len & 0xf; + + if (host->req->data_dir == WRITE) { + jmb38x_ms_transfer_data(host); + writel(host->io_word[0], host->addr + TPC_P0); + writel(host->io_word[1], host->addr + TPC_P1); + } + } + + mod_timer(&host->timer, jiffies + host->timeout_jiffies); + writel(HOST_CONTROL_LED | readl(host->addr + HOST_CONTROL), + host->addr + HOST_CONTROL); + host->req->error = 0; + + writel(cmd, host->addr + TPC); + dev_dbg(msh->cdev.dev, "executing TPC %08x, len %x\n", cmd, data_len); + + return 0; +} + +static void jmb38x_ms_complete_cmd(struct memstick_host *msh, int last) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned int t_val = 0; + int rc; + + del_timer(&host->timer); + + dev_dbg(msh->cdev.dev, "c control %08x\n", + readl(host->addr + HOST_CONTROL)); + dev_dbg(msh->cdev.dev, "c status %08x\n", + readl(host->addr + INT_STATUS)); + dev_dbg(msh->cdev.dev, "c hstatus %08x\n", readl(host->addr + STATUS)); + + if (host->req->get_int_reg) { + t_val = readl(host->addr + TPC_P0); + host->req->int_reg = (t_val & 0xff); + } + + if (host->use_dma) { + writel(0, host->addr + DMA_CONTROL); + pci_unmap_sg(host->chip->pdev, &host->req->sg, 1, + host->req->data_dir == READ + ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); + } else { + t_val = readl(host->addr + INT_STATUS_ENABLE); + if (host->req->data_dir == READ) + t_val &= ~INT_STATUS_FIFO_RRDY; + else + t_val &= ~INT_STATUS_FIFO_WRDY; + + writel(t_val, host->addr + INT_STATUS_ENABLE); + writel(t_val, host->addr + INT_SIGNAL_ENABLE); + } + + writel((~HOST_CONTROL_LED) & readl(host->addr + HOST_CONTROL), + host->addr + HOST_CONTROL); + + if (!last) { + do { + rc = memstick_next_req(msh, &host->req); + } while (!rc && jmb38x_ms_issue_cmd(msh)); + } else { + do { + rc = memstick_next_req(msh, &host->req); + if (!rc) + host->req->error = -ETIME; + } while (!rc); + } +} + +static irqreturn_t jmb38x_ms_isr(int irq, void *dev_id) +{ + struct memstick_host *msh = dev_id; + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned int irq_status; + + spin_lock(&host->lock); + irq_status = readl(host->addr + INT_STATUS); + dev_dbg(&host->chip->pdev->dev, "irq_status = %08x\n", irq_status); + if (irq_status == 0 || irq_status == (~0)) { + spin_unlock(&host->lock); + return IRQ_NONE; + } + + if (host->req) { + if (irq_status & INT_STATUS_ANY_ERR) { + if (irq_status & INT_STATUS_CRC_ERR) + host->req->error = -EILSEQ; + else + host->req->error = -ETIME; + } else { + if (host->use_dma) { + if (irq_status & INT_STATUS_EOTRAN) + host->cmd_flags |= FIFO_READY; + } else { + if (irq_status & (INT_STATUS_FIFO_RRDY + | INT_STATUS_FIFO_WRDY)) + jmb38x_ms_transfer_data(host); + + if (irq_status & INT_STATUS_EOTRAN) { + jmb38x_ms_transfer_data(host); + host->cmd_flags |= FIFO_READY; + } + } + + if (irq_status & INT_STATUS_EOTPC) { + host->cmd_flags |= CMD_READY; + if (host->cmd_flags & REG_DATA) { + if (host->req->data_dir == READ) { + host->io_word[0] + = readl(host->addr + + TPC_P0); + host->io_word[1] + = readl(host->addr + + TPC_P1); + host->io_pos = 8; + + jmb38x_ms_transfer_data(host); + } + host->cmd_flags |= FIFO_READY; + } + } + } + } + + if (irq_status & (INT_STATUS_MEDIA_IN | INT_STATUS_MEDIA_OUT)) { + dev_dbg(&host->chip->pdev->dev, "media changed\n"); + memstick_detect_change(msh); + } + + writel(irq_status, host->addr + INT_STATUS); + + if (host->req + && (((host->cmd_flags & CMD_READY) + && (host->cmd_flags & FIFO_READY)) + || host->req->error)) + jmb38x_ms_complete_cmd(msh, 0); + + spin_unlock(&host->lock); + return IRQ_HANDLED; +} + +static void jmb38x_ms_abort(unsigned long data) +{ + struct memstick_host *msh = (struct memstick_host *)data; + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned long flags; + + dev_dbg(&host->chip->pdev->dev, "abort\n"); + spin_lock_irqsave(&host->lock, flags); + if (host->req) { + host->req->error = -ETIME; + jmb38x_ms_complete_cmd(msh, 0); + } + spin_unlock_irqrestore(&host->lock, flags); +} + +static void jmb38x_ms_request(struct memstick_host *msh) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned long flags; + int rc; + + spin_lock_irqsave(&host->lock, flags); + if (host->req) { + spin_unlock_irqrestore(&host->lock, flags); + BUG(); + return; + } + + do { + rc = memstick_next_req(msh, &host->req); + } while (!rc && jmb38x_ms_issue_cmd(msh)); + spin_unlock_irqrestore(&host->lock, flags); +} + +static void jmb38x_ms_reset(struct jmb38x_ms_host *host) +{ + unsigned int host_ctl = readl(host->addr + HOST_CONTROL); + + writel(host_ctl | HOST_CONTROL_RESET_REQ | HOST_CONTROL_RESET, + host->addr + HOST_CONTROL); + + while (HOST_CONTROL_RESET_REQ + & (host_ctl = readl(host->addr + HOST_CONTROL))) { + ndelay(100); + dev_dbg(&host->chip->pdev->dev, "reset\n"); + } + + writel(INT_STATUS_ALL, host->addr + INT_STATUS_ENABLE); + writel(INT_STATUS_ALL, host->addr + INT_SIGNAL_ENABLE); + + dev_dbg(&host->chip->pdev->dev, "reset\n"); +} + +static void jmb38x_ms_set_param(struct memstick_host *msh, + enum memstick_param param, + int value) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned int host_ctl; + unsigned long flags; + + spin_lock_irqsave(&host->lock, flags); + + switch (param) { + case MEMSTICK_POWER: + if (value == MEMSTICK_POWER_ON) { + jmb38x_ms_reset(host); + + writel(host->id ? PAD_PU_PD_ON_MS_SOCK1 + : PAD_PU_PD_ON_MS_SOCK0, + host->addr + PAD_PU_PD); + + writel(PAD_OUTPUT_ENABLE_MS, + host->addr + PAD_OUTPUT_ENABLE); + + host_ctl = readl(host->addr + HOST_CONTROL); + host_ctl |= 7; + writel(host_ctl | (HOST_CONTROL_POWER_EN + | HOST_CONTROL_CLOCK_EN), + host->addr + HOST_CONTROL); + + dev_dbg(&host->chip->pdev->dev, "power on\n"); + } else if (value == MEMSTICK_POWER_OFF) { + writel(readl(host->addr + HOST_CONTROL) + & ~(HOST_CONTROL_POWER_EN + | HOST_CONTROL_CLOCK_EN), + host->addr + HOST_CONTROL); + writel(0, host->addr + PAD_OUTPUT_ENABLE); + writel(PAD_PU_PD_OFF, host->addr + PAD_PU_PD); + dev_dbg(&host->chip->pdev->dev, "power off\n"); + } + break; + case MEMSTICK_INTERFACE: + /* jmb38x_ms_reset(host); */ + + host_ctl = readl(host->addr + HOST_CONTROL); + host_ctl &= ~(3 << HOST_CONTROL_IF_SHIFT); + /* host_ctl |= 7; */ + + if (value == MEMSTICK_SERIAL) { + host_ctl &= ~HOST_CONTROL_FAST_CLK; + host_ctl |= HOST_CONTROL_IF_SERIAL + << HOST_CONTROL_IF_SHIFT; + host_ctl |= HOST_CONTROL_REI; + writel(0, host->addr + CLOCK_DELAY); + } else if (value == MEMSTICK_PAR4) { + host_ctl |= HOST_CONTROL_FAST_CLK; + host_ctl |= HOST_CONTROL_IF_PAR4 + << HOST_CONTROL_IF_SHIFT; + host_ctl &= ~HOST_CONTROL_REI; + writel(4, host->addr + CLOCK_DELAY); + } else if (value == MEMSTICK_PAR8) { + host_ctl |= HOST_CONTROL_FAST_CLK; + host_ctl |= HOST_CONTROL_IF_PAR8 + << HOST_CONTROL_IF_SHIFT; + host_ctl &= ~HOST_CONTROL_REI; + writel(4, host->addr + CLOCK_DELAY); + } + writel(host_ctl, host->addr + HOST_CONTROL); + break; + }; + + spin_unlock_irqrestore(&host->lock, flags); +} + +#ifdef CONFIG_PM + +static int jmb38x_ms_suspend(struct pci_dev *dev, pm_message_t state) +{ + struct jmb38x_ms *jm = pci_get_drvdata(dev); + int cnt; + + for (cnt = 0; cnt < jm->host_cnt; ++cnt) { + if (!jm->hosts[cnt]) + break; + memstick_suspend_host(jm->hosts[cnt]); + } + + pci_save_state(dev); + pci_enable_wake(dev, pci_choose_state(dev, state), 0); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + return 0; +} + +static int jmb38x_ms_resume(struct pci_dev *dev) +{ + struct jmb38x_ms *jm = pci_get_drvdata(dev); + int rc; + + pci_set_power_state(dev, PCI_D0); + pci_restore_state(dev); + rc = pci_enable_device(dev); + if (rc) + return rc; + pci_set_master(dev); + + pci_read_config_dword(dev, 0xac, &rc); + pci_write_config_dword(dev, 0xac, rc | 0x00470000); + + for (rc = 0; rc < jm->host_cnt; ++rc) { + if (!jm->hosts[rc]) + break; + memstick_resume_host(jm->hosts[rc]); + memstick_detect_change(jm->hosts[rc]); + } + + return 0; +} + +#else + +#define jmb38x_ms_suspend NULL +#define jmb38x_ms_resume NULL + +#endif /* CONFIG_PM */ + +static int jmb38x_ms_count_slots(struct pci_dev *pdev) +{ + int cnt, rc = 0; + + for (cnt = 0; cnt < PCI_ROM_RESOURCE; ++cnt) { + if (!(IORESOURCE_MEM & pci_resource_flags(pdev, cnt))) + break; + + if (256 != pci_resource_len(pdev, cnt)) + break; + + ++rc; + } + return rc; +} + +static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt) +{ + struct memstick_host *msh; + struct jmb38x_ms_host *host; + + msh = memstick_alloc_host(sizeof(struct jmb38x_ms_host), + &jm->pdev->dev); + if (!msh) + return NULL; + + host = memstick_priv(msh); + host->chip = jm; + host->addr = ioremap(pci_resource_start(jm->pdev, cnt), + pci_resource_len(jm->pdev, cnt)); + if (!host->addr) + goto err_out_free; + + spin_lock_init(&host->lock); + host->id = cnt; + snprintf(host->host_id, DEVICE_ID_SIZE, DRIVER_NAME ":slot%d", + host->id); + host->irq = jm->pdev->irq; + host->timeout_jiffies = msecs_to_jiffies(4000); + msh->request = jmb38x_ms_request; + msh->set_param = jmb38x_ms_set_param; + /* + msh->caps = MEMSTICK_CAP_AUTO_GET_INT | MEMSTICK_CAP_PAR4 + | MEMSTICK_CAP_PAR8; + */ + msh->caps = MEMSTICK_CAP_PAR4 | MEMSTICK_CAP_PAR8; + + setup_timer(&host->timer, jmb38x_ms_abort, (unsigned long)msh); + + if (!request_irq(host->irq, jmb38x_ms_isr, IRQF_SHARED, host->host_id, + msh)) + return msh; + + iounmap(host->addr); +err_out_free: + kfree(msh); + return NULL; +} + +static void jmb38x_ms_free_host(struct memstick_host *msh) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + + free_irq(host->irq, msh); + iounmap(host->addr); + memstick_free_host(msh); +} + +static int jmb38x_ms_probe(struct pci_dev *pdev, + const struct pci_device_id *dev_id) +{ + struct jmb38x_ms *jm; + int pci_dev_busy = 0; + int rc, cnt; + + rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (rc) + return rc; + + rc = pci_enable_device(pdev); + if (rc) + return rc; + + pci_set_master(pdev); + + rc = pci_request_regions(pdev, DRIVER_NAME); + if (rc) { + pci_dev_busy = 1; + goto err_out; + } + + pci_read_config_dword(pdev, 0xac, &rc); + pci_write_config_dword(pdev, 0xac, rc | 0x00470000); + + cnt = jmb38x_ms_count_slots(pdev); + if (!cnt) { + rc = -ENODEV; + pci_dev_busy = 1; + goto err_out; + } + + jm = kzalloc(sizeof(struct jmb38x_ms) + + cnt * sizeof(struct memstick_host *), GFP_KERNEL); + if (!jm) { + rc = -ENOMEM; + goto err_out_int; + } + + jm->pdev = pdev; + jm->host_cnt = cnt; + pci_set_drvdata(pdev, jm); + + for (cnt = 0; cnt < jm->host_cnt; ++cnt) { + jm->hosts[cnt] = jmb38x_ms_alloc_host(jm, cnt); + if (!jm->hosts[cnt]) + break; + + rc = memstick_add_host(jm->hosts[cnt]); + + if (rc) { + jmb38x_ms_free_host(jm->hosts[cnt]); + jm->hosts[cnt] = NULL; + break; + } + } + + if (cnt) + return 0; + + rc = -ENODEV; + + pci_set_drvdata(pdev, NULL); + kfree(jm); +err_out_int: + pci_release_regions(pdev); +err_out: + if (!pci_dev_busy) + pci_disable_device(pdev); + return rc; +} + +static void jmb38x_ms_remove(struct pci_dev *dev) +{ + struct jmb38x_ms *jm = pci_get_drvdata(dev); + struct jmb38x_ms_host *host; + int cnt; + unsigned long flags; + + for (cnt = 0; cnt < jm->host_cnt; ++cnt) { + if (!jm->hosts[cnt]) + break; + + host = memstick_priv(jm->hosts[cnt]); + + writel(0, host->addr + INT_SIGNAL_ENABLE); + writel(0, host->addr + INT_STATUS_ENABLE); + mmiowb(); + dev_dbg(&jm->pdev->dev, "interrupts off\n"); + spin_lock_irqsave(&host->lock, flags); + if (host->req) { + host->req->error = -ETIME; + jmb38x_ms_complete_cmd(jm->hosts[cnt], 1); + } + spin_unlock_irqrestore(&host->lock, flags); + + memstick_remove_host(jm->hosts[cnt]); + dev_dbg(&jm->pdev->dev, "host removed\n"); + + jmb38x_ms_free_host(jm->hosts[cnt]); + } + + pci_set_drvdata(dev, NULL); + pci_release_regions(dev); + pci_disable_device(dev); + kfree(jm); +} + +static struct pci_device_id jmb38x_ms_id_tbl [] = { + { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_MS, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, + { } +}; + +static struct pci_driver jmb38x_ms_driver = { + .name = DRIVER_NAME, + .id_table = jmb38x_ms_id_tbl, + .probe = jmb38x_ms_probe, + .remove = jmb38x_ms_remove, + .suspend = jmb38x_ms_suspend, + .resume = jmb38x_ms_resume +}; + +static int __init jmb38x_ms_init(void) +{ + return pci_register_driver(&jmb38x_ms_driver); +} + +static void __exit jmb38x_ms_exit(void) +{ + pci_unregister_driver(&jmb38x_ms_driver); +} + +MODULE_AUTHOR("Alex Dubov"); +MODULE_DESCRIPTION("JMicron jmb38x MemoryStick driver"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, jmb38x_ms_id_tbl); + +module_init(jmb38x_ms_init); +module_exit(jmb38x_ms_exit); diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c index 4fb24215bd9..2b5bf52a830 100644 --- a/drivers/memstick/host/tifm_ms.c +++ b/drivers/memstick/host/tifm_ms.c @@ -20,293 +20,315 @@ #include <asm/io.h> #define DRIVER_NAME "tifm_ms" -#define DRIVER_VERSION "0.1" static int no_dma; module_param(no_dma, bool, 0644); -#define TIFM_MS_TIMEOUT 0x00100 -#define TIFM_MS_BADCRC 0x00200 -#define TIFM_MS_EOTPC 0x01000 -#define TIFM_MS_INT 0x02000 - -/* The meaning of the bit majority in this constant is unknown. */ -#define TIFM_MS_SERIAL 0x04010 +/* + * Some control bits of TIFM appear to conform to Sony's reference design, + * so I'm just assuming they all are. + */ -#define TIFM_MS_SYS_LATCH 0x00100 -#define TIFM_MS_SYS_NOT_RDY 0x00800 -#define TIFM_MS_SYS_DATA 0x10000 +#define TIFM_MS_STAT_DRQ 0x04000 +#define TIFM_MS_STAT_MSINT 0x02000 +#define TIFM_MS_STAT_RDY 0x01000 +#define TIFM_MS_STAT_CRC 0x00200 +#define TIFM_MS_STAT_TOE 0x00100 +#define TIFM_MS_STAT_EMP 0x00020 +#define TIFM_MS_STAT_FUL 0x00010 +#define TIFM_MS_STAT_CED 0x00008 +#define TIFM_MS_STAT_ERR 0x00004 +#define TIFM_MS_STAT_BRQ 0x00002 +#define TIFM_MS_STAT_CNK 0x00001 + +#define TIFM_MS_SYS_DMA 0x10000 +#define TIFM_MS_SYS_RESET 0x08000 +#define TIFM_MS_SYS_SRAC 0x04000 +#define TIFM_MS_SYS_INTEN 0x02000 +#define TIFM_MS_SYS_NOCRC 0x01000 +#define TIFM_MS_SYS_INTCLR 0x00800 +#define TIFM_MS_SYS_MSIEN 0x00400 +#define TIFM_MS_SYS_FCLR 0x00200 +#define TIFM_MS_SYS_FDIR 0x00100 +#define TIFM_MS_SYS_DAM 0x00080 +#define TIFM_MS_SYS_DRM 0x00040 +#define TIFM_MS_SYS_DRQSL 0x00020 +#define TIFM_MS_SYS_REI 0x00010 +#define TIFM_MS_SYS_REO 0x00008 +#define TIFM_MS_SYS_BSY_MASK 0x00007 + +#define TIFM_MS_SYS_FIFO (TIFM_MS_SYS_INTEN | TIFM_MS_SYS_MSIEN \ + | TIFM_MS_SYS_FCLR | TIFM_MS_SYS_BSY_MASK) /* Hardware flags */ enum { - CMD_READY = 0x0001, - FIFO_READY = 0x0002, - CARD_READY = 0x0004, - DATA_CARRY = 0x0008 + CMD_READY = 0x01, + FIFO_READY = 0x02, + CARD_INT = 0x04 }; struct tifm_ms { struct tifm_dev *dev; - unsigned short eject:1, - no_dma:1; - unsigned short cmd_flags; + struct timer_list timer; + struct memstick_request *req; unsigned int mode_mask; unsigned int block_pos; unsigned long timeout_jiffies; - - struct timer_list timer; - struct memstick_request *req; + unsigned char eject:1, + use_dma:1; + unsigned char cmd_flags; + unsigned char io_pos; unsigned int io_word; }; -static void tifm_ms_read_fifo(struct tifm_ms *host, unsigned int fifo_offset, - struct page *pg, unsigned int page_off, - unsigned int length) +static unsigned int tifm_ms_read_data(struct tifm_ms *host, + unsigned char *buf, unsigned int length) { struct tifm_dev *sock = host->dev; - unsigned int cnt = 0, off = 0; - unsigned char *buf = kmap_atomic(pg, KM_BIO_DST_IRQ) + page_off; + unsigned int off = 0; + + while (host->io_pos && length) { + buf[off++] = host->io_word & 0xff; + host->io_word >>= 8; + length--; + host->io_pos--; + } - if (host->cmd_flags & DATA_CARRY) { - while ((fifo_offset & 3) && length) { + if (!length) + return off; + + while (!(TIFM_MS_STAT_EMP & readl(sock->addr + SOCK_MS_STATUS))) { + if (length < 4) + break; + *(unsigned int *)(buf + off) = __raw_readl(sock->addr + + SOCK_MS_DATA); + length -= 4; + off += 4; + } + + if (length + && !(TIFM_MS_STAT_EMP & readl(sock->addr + SOCK_MS_STATUS))) { + host->io_word = readl(sock->addr + SOCK_MS_DATA); + for (host->io_pos = 4; host->io_pos; --host->io_pos) { buf[off++] = host->io_word & 0xff; host->io_word >>= 8; length--; - fifo_offset++; + if (!length) + break; } - if (!(fifo_offset & 3)) - host->cmd_flags &= ~DATA_CARRY; - if (!length) - return; } - do { - host->io_word = readl(sock->addr + SOCK_FIFO_ACCESS - + fifo_offset); - cnt = 4; - while (length && cnt) { - buf[off++] = (host->io_word >> 8) & 0xff; - cnt--; - length--; - } - fifo_offset += 4 - cnt; - } while (length); - - if (cnt) - host->cmd_flags |= DATA_CARRY; - - kunmap_atomic(buf - page_off, KM_BIO_DST_IRQ); + return off; } -static void tifm_ms_write_fifo(struct tifm_ms *host, unsigned int fifo_offset, - struct page *pg, unsigned int page_off, - unsigned int length) +static unsigned int tifm_ms_write_data(struct tifm_ms *host, + unsigned char *buf, unsigned int length) { struct tifm_dev *sock = host->dev; - unsigned int cnt = 0, off = 0; - unsigned char *buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + page_off; + unsigned int off = 0; - if (host->cmd_flags & DATA_CARRY) { - while (fifo_offset & 3) { - host->io_word |= buf[off++] << (8 * (fifo_offset & 3)); + if (host->io_pos) { + while (host->io_pos < 4 && length) { + host->io_word |= buf[off++] << (host->io_pos * 8); + host->io_pos++; length--; - fifo_offset++; } - if (!(fifo_offset & 3)) { - writel(host->io_word, sock->addr + SOCK_FIFO_ACCESS - + fifo_offset - 4); - - host->cmd_flags &= ~DATA_CARRY; - } - if (!length) - return; } - do { - cnt = 4; + if (host->io_pos == 4 + && !(TIFM_MS_STAT_FUL & readl(sock->addr + SOCK_MS_STATUS))) { + writel(TIFM_MS_SYS_FDIR | readl(sock->addr + SOCK_MS_SYSTEM), + sock->addr + SOCK_MS_SYSTEM); + writel(host->io_word, sock->addr + SOCK_MS_DATA); + host->io_pos = 0; host->io_word = 0; - while (length && cnt) { - host->io_word |= buf[off++] << (4 - cnt); - cnt--; - length--; - } - fifo_offset += 4 - cnt; - if (!cnt) - writel(host->io_word, sock->addr + SOCK_FIFO_ACCESS - + fifo_offset - 4); - - } while (length); - - if (cnt) - host->cmd_flags |= DATA_CARRY; + } else if (host->io_pos) { + return off; + } - kunmap_atomic(buf - page_off, KM_BIO_SRC_IRQ); -} + if (!length) + return off; -static void tifm_ms_move_block(struct tifm_ms *host, unsigned int length) -{ - unsigned int t_size; - unsigned int off = host->req->sg.offset + host->block_pos; - unsigned int p_off, p_cnt; - struct page *pg; - unsigned long flags; + while (!(TIFM_MS_STAT_FUL & readl(sock->addr + SOCK_MS_STATUS))) { + if (length < 4) + break; + writel(TIFM_MS_SYS_FDIR | readl(sock->addr + SOCK_MS_SYSTEM), + sock->addr + SOCK_MS_SYSTEM); + __raw_writel(*(unsigned int *)(buf + off), + sock->addr + SOCK_MS_DATA); + length -= 4; + off += 4; + } - dev_dbg(&host->dev->dev, "moving block\n"); - local_irq_save(flags); - t_size = length; - while (t_size) { - pg = nth_page(sg_page(&host->req->sg), off >> PAGE_SHIFT); - p_off = offset_in_page(off); - p_cnt = PAGE_SIZE - p_off; - p_cnt = min(p_cnt, t_size); + switch (length) { + case 3: + host->io_word |= buf[off + 2] << 16; + host->io_pos++; + case 2: + host->io_word |= buf[off + 1] << 8; + host->io_pos++; + case 1: + host->io_word |= buf[off]; + host->io_pos++; + } - if (host->req->data_dir == WRITE) - tifm_ms_write_fifo(host, length - t_size, - pg, p_off, p_cnt); - else - tifm_ms_read_fifo(host, length - t_size, - pg, p_off, p_cnt); + off += host->io_pos; - t_size -= p_cnt; - } - local_irq_restore(flags); + return off; } -static int tifm_ms_transfer_data(struct tifm_ms *host, int skip) +static unsigned int tifm_ms_transfer_data(struct tifm_ms *host) { struct tifm_dev *sock = host->dev; - unsigned int length = host->req->sg.length - host->block_pos; + unsigned int length; + unsigned int off; + unsigned int t_size, p_off, p_cnt; + unsigned char *buf; + struct page *pg; + unsigned long flags = 0; + + if (host->req->long_data) { + length = host->req->sg.length - host->block_pos; + off = host->req->sg.offset + host->block_pos; + } else { + length = host->req->data_len - host->block_pos; + off = 0; + } + dev_dbg(&sock->dev, "fifo data transfer, %d, %d\n", length, + host->block_pos); + + while (length) { + if (host->req->long_data) { + pg = nth_page(sg_page(&host->req->sg), + off >> PAGE_SHIFT); + p_off = offset_in_page(off); + p_cnt = PAGE_SIZE - p_off; + p_cnt = min(p_cnt, length); + + local_irq_save(flags); + buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + p_off; + } else { + buf = host->req->data + host->block_pos; + p_cnt = host->req->data_len - host->block_pos; + } - if (!length) - return 1; + t_size = host->req->data_dir == WRITE + ? tifm_ms_write_data(host, buf, p_cnt) + : tifm_ms_read_data(host, buf, p_cnt); - if (length > TIFM_FIFO_SIZE) - length = TIFM_FIFO_SIZE; + if (host->req->long_data) { + kunmap_atomic(buf - p_off, KM_BIO_SRC_IRQ); + local_irq_restore(flags); + } - if (!skip) { - tifm_ms_move_block(host, length); - host->block_pos += length; + if (!t_size) + break; + host->block_pos += t_size; + length -= t_size; + off += t_size; } - if ((host->req->data_dir == READ) - && (host->block_pos == host->req->sg.length)) - return 1; - - writel(ilog2(length) - 2, sock->addr + SOCK_FIFO_PAGE_SIZE); - if (host->req->data_dir == WRITE) - writel((1 << 8) | TIFM_DMA_TX, sock->addr + SOCK_DMA_CONTROL); - else - writel((1 << 8), sock->addr + SOCK_DMA_CONTROL); + dev_dbg(&sock->dev, "fifo data transfer, %d remaining\n", length); + if (!length && (host->req->data_dir == WRITE)) { + if (host->io_pos) { + writel(TIFM_MS_SYS_FDIR + | readl(sock->addr + SOCK_MS_SYSTEM), + sock->addr + SOCK_MS_SYSTEM); + writel(host->io_word, sock->addr + SOCK_MS_DATA); + } + writel(TIFM_MS_SYS_FDIR + | readl(sock->addr + SOCK_MS_SYSTEM), + sock->addr + SOCK_MS_SYSTEM); + writel(0, sock->addr + SOCK_MS_DATA); + } else { + readl(sock->addr + SOCK_MS_DATA); + } - return 0; + return length; } static int tifm_ms_issue_cmd(struct tifm_ms *host) { struct tifm_dev *sock = host->dev; unsigned char *data; - unsigned int data_len = 0, cmd = 0, cmd_mask = 0, cnt, tval = 0; + unsigned int data_len, cmd, sys_param; host->cmd_flags = 0; + host->block_pos = 0; + host->io_pos = 0; + host->io_word = 0; + host->cmd_flags = 0; - if (host->req->io_type == MEMSTICK_IO_SG) { - if (!host->no_dma) { - if (1 != tifm_map_sg(sock, &host->req->sg, 1, - host->req->data_dir == READ - ? PCI_DMA_FROMDEVICE - : PCI_DMA_TODEVICE)) { - host->req->error = -ENOMEM; - return host->req->error; - } - data_len = sg_dma_len(&host->req->sg); - } else - data_len = host->req->sg.length; - - writel(TIFM_FIFO_INT_SETALL, - sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); - writel(TIFM_FIFO_ENABLE, - sock->addr + SOCK_FIFO_CONTROL); - writel(TIFM_FIFO_INTMASK, - sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); + data = host->req->data; - if (!host->no_dma) { - writel(ilog2(data_len) - 2, - sock->addr + SOCK_FIFO_PAGE_SIZE); - writel(sg_dma_address(&host->req->sg), - sock->addr + SOCK_DMA_ADDRESS); - if (host->req->data_dir == WRITE) - writel((1 << 8) | TIFM_DMA_TX | TIFM_DMA_EN, - sock->addr + SOCK_DMA_CONTROL); - else - writel((1 << 8) | TIFM_DMA_EN, - sock->addr + SOCK_DMA_CONTROL); - } else { - tifm_ms_transfer_data(host, - host->req->data_dir == READ); - } + host->use_dma = !no_dma; - cmd_mask = readl(sock->addr + SOCK_MS_SYSTEM); - cmd_mask |= TIFM_MS_SYS_DATA | TIFM_MS_SYS_NOT_RDY; - writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM); - } else if (host->req->io_type == MEMSTICK_IO_VAL) { - data = host->req->data; + if (host->req->long_data) { + data_len = host->req->sg.length; + if (!is_power_of_2(data_len)) + host->use_dma = 0; + } else { data_len = host->req->data_len; + host->use_dma = 0; + } - cmd_mask = host->mode_mask | 0x2607; /* unknown constant */ - - if (host->req->data_dir == WRITE) { - cmd_mask |= TIFM_MS_SYS_LATCH; - writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM); - for (cnt = 0; (data_len - cnt) >= 4; cnt += 4) { - writel(TIFM_MS_SYS_LATCH - | readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - __raw_writel(*(unsigned int *)(data + cnt), - sock->addr + SOCK_MS_DATA); - dev_dbg(&sock->dev, "writing %x\n", - *(int *)(data + cnt)); - } - switch (data_len - cnt) { - case 3: - tval |= data[cnt + 2] << 16; - case 2: - tval |= data[cnt + 1] << 8; - case 1: - tval |= data[cnt]; - writel(TIFM_MS_SYS_LATCH - | readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - writel(tval, sock->addr + SOCK_MS_DATA); - dev_dbg(&sock->dev, "writing %x\n", tval); - } + writel(TIFM_FIFO_INT_SETALL, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); + writel(TIFM_FIFO_ENABLE, + sock->addr + SOCK_FIFO_CONTROL); + + if (host->use_dma) { + if (1 != tifm_map_sg(sock, &host->req->sg, 1, + host->req->data_dir == READ + ? PCI_DMA_FROMDEVICE + : PCI_DMA_TODEVICE)) { + host->req->error = -ENOMEM; + return host->req->error; + } + data_len = sg_dma_len(&host->req->sg); - writel(TIFM_MS_SYS_LATCH - | readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - writel(0, sock->addr + SOCK_MS_DATA); - dev_dbg(&sock->dev, "writing %x\n", 0); + writel(ilog2(data_len) - 2, + sock->addr + SOCK_FIFO_PAGE_SIZE); + writel(TIFM_FIFO_INTMASK, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); + sys_param = TIFM_DMA_EN | (1 << 8); + if (host->req->data_dir == WRITE) + sys_param |= TIFM_DMA_TX; + + writel(TIFM_FIFO_INTMASK, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); - } else - writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM); + writel(sg_dma_address(&host->req->sg), + sock->addr + SOCK_DMA_ADDRESS); + writel(sys_param, sock->addr + SOCK_DMA_CONTROL); + } else { + writel(host->mode_mask | TIFM_MS_SYS_FIFO, + sock->addr + SOCK_MS_SYSTEM); - cmd_mask = readl(sock->addr + SOCK_MS_SYSTEM); - cmd_mask &= ~TIFM_MS_SYS_DATA; - cmd_mask |= TIFM_MS_SYS_NOT_RDY; - dev_dbg(&sock->dev, "mask %x\n", cmd_mask); - writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM); - } else - BUG(); + writel(TIFM_FIFO_MORE, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); + } mod_timer(&host->timer, jiffies + host->timeout_jiffies); writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL), sock->addr + SOCK_CONTROL); host->req->error = 0; + sys_param = readl(sock->addr + SOCK_MS_SYSTEM); + sys_param |= TIFM_MS_SYS_INTCLR; + + if (host->use_dma) + sys_param |= TIFM_MS_SYS_DMA; + else + sys_param &= ~TIFM_MS_SYS_DMA; + + writel(sys_param, sock->addr + SOCK_MS_SYSTEM); + cmd = (host->req->tpc & 0xf) << 12; cmd |= data_len; writel(cmd, sock->addr + SOCK_MS_COMMAND); - dev_dbg(&sock->dev, "executing TPC %x, %x\n", cmd, cmd_mask); + dev_dbg(&sock->dev, "executing TPC %x, %x\n", cmd, sys_param); return 0; } @@ -314,47 +336,20 @@ static void tifm_ms_complete_cmd(struct tifm_ms *host) { struct tifm_dev *sock = host->dev; struct memstick_host *msh = tifm_get_drvdata(sock); - unsigned int tval = 0, data_len; - unsigned char *data; int rc; del_timer(&host->timer); - if (host->req->io_type == MEMSTICK_IO_SG) { - if (!host->no_dma) - tifm_unmap_sg(sock, &host->req->sg, 1, - host->req->data_dir == READ - ? PCI_DMA_FROMDEVICE - : PCI_DMA_TODEVICE); - } else if (host->req->io_type == MEMSTICK_IO_VAL) { - writel(~TIFM_MS_SYS_DATA & readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - - data = host->req->data; - data_len = host->req->data_len; - if (host->req->data_dir == READ) { - for (rc = 0; (data_len - rc) >= 4; rc += 4) - *(int *)(data + rc) - = __raw_readl(sock->addr - + SOCK_MS_DATA); - - if (data_len - rc) - tval = readl(sock->addr + SOCK_MS_DATA); - switch (data_len - rc) { - case 3: - data[rc + 2] = (tval >> 16) & 0xff; - case 2: - data[rc + 1] = (tval >> 8) & 0xff; - case 1: - data[rc] = tval & 0xff; - } - readl(sock->addr + SOCK_MS_DATA); - } - } + if (host->use_dma) + tifm_unmap_sg(sock, &host->req->sg, 1, + host->req->data_dir == READ + ? PCI_DMA_FROMDEVICE + : PCI_DMA_TODEVICE); writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL), sock->addr + SOCK_CONTROL); + dev_dbg(&sock->dev, "TPC complete\n"); do { rc = memstick_next_req(msh, &host->req); } while (!rc && tifm_ms_issue_cmd(host)); @@ -365,11 +360,10 @@ static int tifm_ms_check_status(struct tifm_ms *host) if (!host->req->error) { if (!(host->cmd_flags & CMD_READY)) return 1; - if ((host->req->io_type == MEMSTICK_IO_SG) - && !(host->cmd_flags & FIFO_READY)) + if (!(host->cmd_flags & FIFO_READY)) return 1; if (host->req->need_card_int - && !(host->cmd_flags & CARD_READY)) + && !(host->cmd_flags & CARD_INT)) return 1; } return 0; @@ -379,18 +373,24 @@ static int tifm_ms_check_status(struct tifm_ms *host) static void tifm_ms_data_event(struct tifm_dev *sock) { struct tifm_ms *host; - unsigned int fifo_status = 0; + unsigned int fifo_status = 0, host_status = 0; int rc = 1; spin_lock(&sock->lock); host = memstick_priv((struct memstick_host *)tifm_get_drvdata(sock)); fifo_status = readl(sock->addr + SOCK_DMA_FIFO_STATUS); - dev_dbg(&sock->dev, "data event: fifo_status %x, flags %x\n", - fifo_status, host->cmd_flags); + host_status = readl(sock->addr + SOCK_MS_STATUS); + dev_dbg(&sock->dev, + "data event: fifo_status %x, host_status %x, flags %x\n", + fifo_status, host_status, host->cmd_flags); if (host->req) { - if (fifo_status & TIFM_FIFO_READY) { - if (!host->no_dma || tifm_ms_transfer_data(host, 0)) { + if (host->use_dma && (fifo_status & 1)) { + host->cmd_flags |= FIFO_READY; + rc = tifm_ms_check_status(host); + } + if (!host->use_dma && (fifo_status & TIFM_FIFO_MORE)) { + if (!tifm_ms_transfer_data(host)) { host->cmd_flags |= FIFO_READY; rc = tifm_ms_check_status(host); } @@ -419,9 +419,9 @@ static void tifm_ms_card_event(struct tifm_dev *sock) host_status, host->cmd_flags); if (host->req) { - if (host_status & TIFM_MS_TIMEOUT) + if (host_status & TIFM_MS_STAT_TOE) host->req->error = -ETIME; - else if (host_status & TIFM_MS_BADCRC) + else if (host_status & TIFM_MS_STAT_CRC) host->req->error = -EILSEQ; if (host->req->error) { @@ -430,18 +430,17 @@ static void tifm_ms_card_event(struct tifm_dev *sock) writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL); } - if (host_status & TIFM_MS_EOTPC) + if (host_status & TIFM_MS_STAT_RDY) host->cmd_flags |= CMD_READY; - if (host_status & TIFM_MS_INT) - host->cmd_flags |= CARD_READY; + + if (host_status & TIFM_MS_STAT_MSINT) + host->cmd_flags |= CARD_INT; rc = tifm_ms_check_status(host); } - writel(TIFM_MS_SYS_NOT_RDY | readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - writel((~TIFM_MS_SYS_DATA) & readl(sock->addr + SOCK_MS_SYSTEM), + writel(TIFM_MS_SYS_INTCLR | readl(sock->addr + SOCK_MS_SYSTEM), sock->addr + SOCK_MS_SYSTEM); if (!rc) @@ -497,15 +496,26 @@ static void tifm_ms_set_param(struct memstick_host *msh, switch (param) { case MEMSTICK_POWER: - /* this is set by card detection mechanism */ + /* also affected by media detection mechanism */ + if (value == MEMSTICK_POWER_ON) { + host->mode_mask = TIFM_MS_SYS_SRAC | TIFM_MS_SYS_REI; + writel(TIFM_MS_SYS_RESET, sock->addr + SOCK_MS_SYSTEM); + writel(TIFM_MS_SYS_FCLR | TIFM_MS_SYS_INTCLR, + sock->addr + SOCK_MS_SYSTEM); + writel(0xffffffff, sock->addr + SOCK_MS_STATUS); + } else if (value == MEMSTICK_POWER_OFF) { + writel(TIFM_MS_SYS_FCLR | TIFM_MS_SYS_INTCLR, + sock->addr + SOCK_MS_SYSTEM); + writel(0xffffffff, sock->addr + SOCK_MS_STATUS); + } break; case MEMSTICK_INTERFACE: if (value == MEMSTICK_SERIAL) { - host->mode_mask = TIFM_MS_SERIAL; + host->mode_mask = TIFM_MS_SYS_SRAC | TIFM_MS_SYS_REI; writel((~TIFM_CTRL_FAST_CLK) & readl(sock->addr + SOCK_CONTROL), sock->addr + SOCK_CONTROL); - } else if (value == MEMSTICK_PARALLEL) { + } else if (value == MEMSTICK_PAR4) { host->mode_mask = 0; writel(TIFM_CTRL_FAST_CLK | readl(sock->addr + SOCK_CONTROL), @@ -532,21 +542,6 @@ static void tifm_ms_abort(unsigned long data) tifm_eject(host->dev); } -static int tifm_ms_initialize_host(struct tifm_ms *host) -{ - struct tifm_dev *sock = host->dev; - struct memstick_host *msh = tifm_get_drvdata(sock); - - host->mode_mask = TIFM_MS_SERIAL; - writel(0x8000, sock->addr + SOCK_MS_SYSTEM); - writel(0x0200 | TIFM_MS_SYS_NOT_RDY, sock->addr + SOCK_MS_SYSTEM); - writel(0xffffffff, sock->addr + SOCK_MS_STATUS); - if (tifm_has_ms_pif(sock)) - msh->caps |= MEMSTICK_CAP_PARALLEL; - - return 0; -} - static int tifm_ms_probe(struct tifm_dev *sock) { struct memstick_host *msh; @@ -568,7 +563,6 @@ static int tifm_ms_probe(struct tifm_dev *sock) tifm_set_drvdata(sock, msh); host->dev = sock; host->timeout_jiffies = msecs_to_jiffies(1000); - host->no_dma = no_dma; setup_timer(&host->timer, tifm_ms_abort, (unsigned long)host); @@ -576,10 +570,10 @@ static int tifm_ms_probe(struct tifm_dev *sock) msh->set_param = tifm_ms_set_param; sock->card_event = tifm_ms_card_event; sock->data_event = tifm_ms_data_event; - rc = tifm_ms_initialize_host(host); + if (tifm_has_ms_pif(sock)) + msh->caps |= MEMSTICK_CAP_PAR4; - if (!rc) - rc = memstick_add_host(msh); + rc = memstick_add_host(msh); if (!rc) return 0; @@ -601,7 +595,7 @@ static void tifm_ms_remove(struct tifm_dev *sock) writel(TIFM_FIFO_INT_SETALL, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL); - if ((host->req->io_type == MEMSTICK_IO_SG) && !host->no_dma) + if (host->use_dma) tifm_unmap_sg(sock, &host->req->sg, 1, host->req->data_dir == READ ? PCI_DMA_TODEVICE @@ -617,10 +611,6 @@ static void tifm_ms_remove(struct tifm_dev *sock) spin_unlock_irqrestore(&sock->lock, flags); memstick_remove_host(msh); - - writel(0x0200 | TIFM_MS_SYS_NOT_RDY, sock->addr + SOCK_MS_SYSTEM); - writel(0xffffffff, sock->addr + SOCK_MS_STATUS); - memstick_free_host(msh); } @@ -628,17 +618,17 @@ static void tifm_ms_remove(struct tifm_dev *sock) static int tifm_ms_suspend(struct tifm_dev *sock, pm_message_t state) { + struct memstick_host *msh = tifm_get_drvdata(sock); + + memstick_suspend_host(msh); return 0; } static int tifm_ms_resume(struct tifm_dev *sock) { struct memstick_host *msh = tifm_get_drvdata(sock); - struct tifm_ms *host = memstick_priv(msh); - - tifm_ms_initialize_host(host); - memstick_detect_change(msh); + memstick_resume_host(msh); return 0; } @@ -679,7 +669,6 @@ MODULE_AUTHOR("Alex Dubov"); MODULE_DESCRIPTION("TI FlashMedia MemoryStick driver"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(tifm, tifm_ms_id_tbl); -MODULE_VERSION(DRIVER_VERSION); module_init(tifm_ms_init); module_exit(tifm_ms_exit); diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c index 63a089b2954..67503ea71d2 100644 --- a/drivers/misc/tifm_7xx1.c +++ b/drivers/misc/tifm_7xx1.c @@ -368,6 +368,8 @@ static int tifm_7xx1_probe(struct pci_dev *dev, goto err_out_irq; writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1), + fm->addr + FM_CLEAR_INTERRUPT_ENABLE); + writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1), fm->addr + FM_SET_INTERRUPT_ENABLE); return 0; diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c index a64d8582199..c0e50a46105 100644 --- a/drivers/serial/of_serial.c +++ b/drivers/serial/of_serial.c @@ -138,7 +138,7 @@ static struct of_device_id __devinitdata of_platform_serial_table[] = { { /* end of list */ }, }; -static struct of_platform_driver __devinitdata of_platform_serial_driver = { +static struct of_platform_driver of_platform_serial_driver = { .owner = THIS_MODULE, .name = "of_serial", .probe = of_platform_serial_probe, diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 758435f8a6f..e0b0580705e 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -553,6 +553,19 @@ config FB_BF54X_LQ043 help This is the framebuffer device driver for a SHARP LQ043T1DG01 TFT LCD +config FB_BFIN_T350MCQB + tristate "Varitronix COG-T350MCQB TFT LCD display (BF527 EZKIT)" + depends on FB && BLACKFIN + select BFIN_GPTIMERS + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the framebuffer device driver for a Varitronix VL-PS-COG-T350MCQB-01 display TFT LCD + This display is a QVGA 320x240 24-bit RGB display interfaced by an 8-bit wide PPI + It uses PPI[0..7] PPI_FS1, PPI_FS2 and PPI_CLK. + + config FB_STI tristate "HP STI frame buffer device support" depends on FB && PARISC diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 83e02b3429b..03371c78903 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -122,6 +122,7 @@ obj-$(CONFIG_FB_EFI) += efifb.o obj-$(CONFIG_FB_VGA16) += vga16fb.o obj-$(CONFIG_FB_OF) += offb.o obj-$(CONFIG_FB_BF54X_LQ043) += bf54x-lq043fb.o +obj-$(CONFIG_FB_BFIN_T350MCQB) += bfin-t350mcqb-fb.o # the test framebuffer is last obj-$(CONFIG_FB_VIRTUAL) += vfb.o diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 0ce791e6f79..986a550c043 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -8,7 +8,7 @@ * * * Modified: - * Copyright 2004-2007 Analog Devices Inc. + * Copyright 2007-2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -241,7 +241,7 @@ static int request_ports(struct bfin_bf54xfb_info *fbi) u16 eppi_req_18[] = EPPI0_18; u16 disp = fbi->mach_info->disp; - if (gpio_request(disp, NULL)) { + if (gpio_request(disp, DRIVER_NAME)) { printk(KERN_ERR "Requesting GPIO %d faild\n", disp); return -EFAULT; } @@ -672,7 +672,7 @@ static int __init bfin_bf54x_probe(struct platform_device *pdev) &bfin_lq043fb_bl_ops); bl_dev->props.max_brightness = 255; - lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops); + lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); #endif diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c new file mode 100644 index 00000000000..a2bb2de9e02 --- /dev/null +++ b/drivers/video/bfin-t350mcqb-fb.c @@ -0,0 +1,685 @@ +/* + * File: drivers/video/bfin-t350mcqb-fb.c + * Based on: + * Author: Michael Hennerich <hennerich@blackfin.uclinux.org> + * + * Created: + * Description: Blackfin LCD Framebufer driver + * + * + * Modified: + * Copyright 2004-2007 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/device.h> +#include <linux/backlight.h> +#include <linux/lcd.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> + +#include <asm/blackfin.h> +#include <asm/irq.h> +#include <asm/dma-mapping.h> +#include <asm/dma.h> +#include <asm/portmux.h> +#include <asm/gptimers.h> + +#define NO_BL_SUPPORT + +#define LCD_X_RES 320 /* Horizontal Resolution */ +#define LCD_Y_RES 240 /* Vertical Resolution */ +#define LCD_BPP 24 /* Bit Per Pixel */ + +#define DMA_BUS_SIZE 16 +#define LCD_CLK (12*1000*1000) /* 12MHz */ + +#define CLOCKS_PER_PIX 3 + + /* + * HS and VS timing parameters (all in number of PPI clk ticks) + */ + +#define U_LINE 1 /* Blanking Lines */ + +#define H_ACTPIX (LCD_X_RES * CLOCKS_PER_PIX) /* active horizontal pixel */ +#define H_PERIOD (408 * CLOCKS_PER_PIX) /* HS period */ +#define H_PULSE 90 /* HS pulse width */ +#define H_START 204 /* first valid pixel */ + +#define V_LINES (LCD_Y_RES + U_LINE) /* total vertical lines */ +#define V_PULSE (3 * H_PERIOD) /* VS pulse width (1-5 H_PERIODs) */ +#define V_PERIOD (H_PERIOD * V_LINES) /* VS period */ + +#define ACTIVE_VIDEO_MEM_OFFSET (U_LINE * H_ACTPIX) + +#define BFIN_LCD_NBR_PALETTE_ENTRIES 256 + +#define DRIVER_NAME "bfin-t350mcqb" +static char driver_name[] = DRIVER_NAME; + +struct bfin_t350mcqbfb_info { + struct fb_info *fb; + struct device *dev; + unsigned char *fb_buffer; /* RGB Buffer */ + dma_addr_t dma_handle; + int lq043_mmap; + int lq043_open_cnt; + int irq; + spinlock_t lock; /* lock */ +}; + +static int nocursor; +module_param(nocursor, int, 0644); +MODULE_PARM_DESC(nocursor, "cursor enable/disable"); + +#define PPI_TX_MODE 0x2 +#define PPI_XFER_TYPE_11 0xC +#define PPI_PORT_CFG_01 0x10 +#define PPI_PACK_EN 0x80 +#define PPI_POLS_1 0x8000 + +static void bfin_t350mcqb_config_ppi(struct bfin_t350mcqbfb_info *fbi) +{ + bfin_write_PPI_DELAY(H_START); + bfin_write_PPI_COUNT(H_ACTPIX-1); + bfin_write_PPI_FRAME(V_LINES); + + bfin_write_PPI_CONTROL(PPI_TX_MODE | /* output mode , PORT_DIR */ + PPI_XFER_TYPE_11 | /* sync mode XFR_TYPE */ + PPI_PORT_CFG_01 | /* two frame sync PORT_CFG */ + PPI_PACK_EN | /* packing enabled PACK_EN */ + PPI_POLS_1); /* faling edge syncs POLS */ +} + +static inline void bfin_t350mcqb_disable_ppi(void) +{ + bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN); +} + +static inline void bfin_t350mcqb_enable_ppi(void) +{ + bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN); +} + +static void bfin_t350mcqb_start_timers(void) +{ + unsigned long flags; + + local_irq_save(flags); + enable_gptimers(TIMER1bit); + enable_gptimers(TIMER0bit); + local_irq_restore(flags); +} + +static void bfin_t350mcqb_stop_timers(void) +{ + disable_gptimers(TIMER0bit | TIMER1bit); + + set_gptimer_status(0, TIMER_STATUS_TRUN0 | TIMER_STATUS_TRUN1 | + TIMER_STATUS_TIMIL0 | TIMER_STATUS_TIMIL1 | + TIMER_STATUS_TOVF0 | TIMER_STATUS_TOVF1); + +} + +static void bfin_t350mcqb_init_timers(void) +{ + + bfin_t350mcqb_stop_timers(); + + set_gptimer_period(TIMER0_id, H_PERIOD); + set_gptimer_pwidth(TIMER0_id, H_PULSE); + set_gptimer_config(TIMER0_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT | + TIMER_TIN_SEL | TIMER_CLK_SEL| + TIMER_EMU_RUN); + + set_gptimer_period(TIMER1_id, V_PERIOD); + set_gptimer_pwidth(TIMER1_id, V_PULSE); + set_gptimer_config(TIMER1_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT | + TIMER_TIN_SEL | TIMER_CLK_SEL | + TIMER_EMU_RUN); + +} + +static void bfin_t350mcqb_config_dma(struct bfin_t350mcqbfb_info *fbi) +{ + + set_dma_config(CH_PPI, + set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO, + INTR_DISABLE, DIMENSION_2D, + DATA_SIZE_16, + DMA_NOSYNC_KEEP_DMA_BUF)); + set_dma_x_count(CH_PPI, (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE); + set_dma_x_modify(CH_PPI, DMA_BUS_SIZE / 8); + set_dma_y_count(CH_PPI, V_LINES); + + set_dma_y_modify(CH_PPI, DMA_BUS_SIZE / 8); + set_dma_start_addr(CH_PPI, (unsigned long)fbi->fb_buffer); + +} + +static int bfin_t350mcqb_request_ports(int action) +{ + u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, + P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, + P_PPI0_D3, P_PPI0_D4, P_PPI0_D5, + P_PPI0_D6, P_PPI0_D7, 0}; + + if (action) { + if (peripheral_request_list(ppi0_req_8, DRIVER_NAME)) { + printk(KERN_ERR "Requesting Peripherals faild\n"); + return -EFAULT; + } + } else + peripheral_free_list(ppi0_req_8); + + return 0; +} + +static int bfin_t350mcqb_fb_open(struct fb_info *info, int user) +{ + struct bfin_t350mcqbfb_info *fbi = info->par; + + spin_lock(&fbi->lock); + fbi->lq043_open_cnt++; + + if (fbi->lq043_open_cnt <= 1) { + + bfin_t350mcqb_disable_ppi(); + SSYNC(); + + bfin_t350mcqb_config_dma(fbi); + bfin_t350mcqb_config_ppi(fbi); + bfin_t350mcqb_init_timers(); + + /* start dma */ + enable_dma(CH_PPI); + bfin_t350mcqb_enable_ppi(); + bfin_t350mcqb_start_timers(); + } + + spin_unlock(&fbi->lock); + + return 0; +} + +static int bfin_t350mcqb_fb_release(struct fb_info *info, int user) +{ + struct bfin_t350mcqbfb_info *fbi = info->par; + + spin_lock(&fbi->lock); + + fbi->lq043_open_cnt--; + fbi->lq043_mmap = 0; + + if (fbi->lq043_open_cnt <= 0) { + bfin_t350mcqb_disable_ppi(); + SSYNC(); + disable_dma(CH_PPI); + bfin_t350mcqb_stop_timers(); + memset(fbi->fb_buffer, 0, info->fix.smem_len); + } + + spin_unlock(&fbi->lock); + + return 0; +} + +static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + + if (var->bits_per_pixel != LCD_BPP) { + pr_debug("%s: depth not supported: %u BPP\n", __FUNCTION__, + var->bits_per_pixel); + return -EINVAL; + } + + if (info->var.xres != var->xres || info->var.yres != var->yres || + info->var.xres_virtual != var->xres_virtual || + info->var.yres_virtual != var->yres_virtual) { + pr_debug("%s: Resolution not supported: X%u x Y%u \n", + __FUNCTION__, var->xres, var->yres); + return -EINVAL; + } + + /* + * Memory limit + */ + + if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) { + pr_debug("%s: Memory Limit requested yres_virtual = %u\n", + __FUNCTION__, var->yres_virtual); + return -ENOMEM; + } + + return 0; +} + +static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + struct bfin_t350mcqbfb_info *fbi = info->par; + + if (fbi->lq043_mmap) + return -1; + + spin_lock(&fbi->lock); + fbi->lq043_mmap = 1; + spin_unlock(&fbi->lock); + + vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET); + + vma->vm_end = vma->vm_start + info->fix.smem_len; + /* For those who don't understand how mmap works, go read + * Documentation/nommu-mmap.txt. + * For those that do, you will know that the VM_MAYSHARE flag + * must be set in the vma->vm_flags structure on noMMU + * Other flags can be set, and are documented in + * include/linux/mm.h + */ + vma->vm_flags |= VM_MAYSHARE; + + return 0; +} + +int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + if (nocursor) + return 0; + else + return -EINVAL; /* just to force soft_cursor() call */ +} + +static int bfin_t350mcqb_fb_setcolreg(u_int regno, u_int red, u_int green, + u_int blue, u_int transp, + struct fb_info *info) +{ + if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES) + return -EINVAL; + + if (info->var.grayscale) { + /* grayscale = 0.30*R + 0.59*G + 0.11*B */ + red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; + } + + if (info->fix.visual == FB_VISUAL_TRUECOLOR) { + + u32 value; + /* Place color in the pseudopalette */ + if (regno > 16) + return -EINVAL; + + red >>= (16 - info->var.red.length); + green >>= (16 - info->var.green.length); + blue >>= (16 - info->var.blue.length); + + value = (red << info->var.red.offset) | + (green << info->var.green.offset) | + (blue << info->var.blue.offset); + value &= 0xFFFFFF; + + ((u32 *) (info->pseudo_palette))[regno] = value; + + } + + return 0; +} + +static struct fb_ops bfin_t350mcqb_fb_ops = { + .owner = THIS_MODULE, + .fb_open = bfin_t350mcqb_fb_open, + .fb_release = bfin_t350mcqb_fb_release, + .fb_check_var = bfin_t350mcqb_fb_check_var, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_mmap = bfin_t350mcqb_fb_mmap, + .fb_cursor = bfin_t350mcqb_fb_cursor, + .fb_setcolreg = bfin_t350mcqb_fb_setcolreg, +}; + +#ifndef NO_BL_SUPPORT +static int bl_get_brightness(struct backlight_device *bd) +{ + return 0; +} + +static struct backlight_ops bfin_lq043fb_bl_ops = { + .get_brightness = bl_get_brightness, +}; + +static struct backlight_device *bl_dev; + +static int bfin_lcd_get_power(struct lcd_device *dev) +{ + return 0; +} + +static int bfin_lcd_set_power(struct lcd_device *dev, int power) +{ + return 0; +} + +static int bfin_lcd_get_contrast(struct lcd_device *dev) +{ + return 0; +} + +static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast) +{ + + return 0; +} + +static int bfin_lcd_check_fb(struct fb_info *fi) +{ + if (!fi || (fi == &bfin_t350mcqb_fb)) + return 1; + return 0; +} + +static struct lcd_ops bfin_lcd_ops = { + .get_power = bfin_lcd_get_power, + .set_power = bfin_lcd_set_power, + .get_contrast = bfin_lcd_get_contrast, + .set_contrast = bfin_lcd_set_contrast, + .check_fb = bfin_lcd_check_fb, +}; + +static struct lcd_device *lcd_dev; +#endif + +static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id) +{ + /*struct bfin_t350mcqbfb_info *info = (struct bfin_t350mcqbfb_info *)dev_id;*/ + + u16 status = bfin_read_PPI_STATUS(); + bfin_write_PPI_STATUS(0xFFFF); + + if (status) { + bfin_t350mcqb_disable_ppi(); + disable_dma(CH_PPI); + + /* start dma */ + enable_dma(CH_PPI); + bfin_t350mcqb_enable_ppi(); + bfin_write_PPI_STATUS(0xFFFF); + } + + return IRQ_HANDLED; +} + +static int __init bfin_t350mcqb_probe(struct platform_device *pdev) +{ + struct bfin_t350mcqbfb_info *info; + struct fb_info *fbinfo; + int ret; + + printk(KERN_INFO DRIVER_NAME ": %dx%d %d-bit RGB FrameBuffer initializing...\n", + LCD_X_RES, LCD_Y_RES, LCD_BPP); + + if (request_dma(CH_PPI, "CH_PPI") < 0) { + printk(KERN_ERR DRIVER_NAME + ": couldn't request CH_PPI DMA\n"); + ret = -EFAULT; + goto out1; + } + + fbinfo = + framebuffer_alloc(sizeof(struct bfin_t350mcqbfb_info), &pdev->dev); + if (!fbinfo) { + ret = -ENOMEM; + goto out2; + } + + info = fbinfo->par; + info->fb = fbinfo; + info->dev = &pdev->dev; + + platform_set_drvdata(pdev, fbinfo); + + strcpy(fbinfo->fix.id, driver_name); + + fbinfo->fix.type = FB_TYPE_PACKED_PIXELS; + fbinfo->fix.type_aux = 0; + fbinfo->fix.xpanstep = 0; + fbinfo->fix.ypanstep = 0; + fbinfo->fix.ywrapstep = 0; + fbinfo->fix.accel = FB_ACCEL_NONE; + fbinfo->fix.visual = FB_VISUAL_TRUECOLOR; + + fbinfo->var.nonstd = 0; + fbinfo->var.activate = FB_ACTIVATE_NOW; + fbinfo->var.height = -1; + fbinfo->var.width = -1; + fbinfo->var.accel_flags = 0; + fbinfo->var.vmode = FB_VMODE_NONINTERLACED; + + fbinfo->var.xres = LCD_X_RES; + fbinfo->var.xres_virtual = LCD_X_RES; + fbinfo->var.yres = LCD_Y_RES; + fbinfo->var.yres_virtual = LCD_Y_RES; + fbinfo->var.bits_per_pixel = LCD_BPP; + + fbinfo->var.red.offset = 0; + fbinfo->var.green.offset = 8; + fbinfo->var.blue.offset = 16; + fbinfo->var.transp.offset = 0; + fbinfo->var.red.length = 8; + fbinfo->var.green.length = 8; + fbinfo->var.blue.length = 8; + fbinfo->var.transp.length = 0; + fbinfo->fix.smem_len = LCD_X_RES * LCD_Y_RES * LCD_BPP / 8; + + fbinfo->fix.line_length = fbinfo->var.xres_virtual * + fbinfo->var.bits_per_pixel / 8; + + + fbinfo->fbops = &bfin_t350mcqb_fb_ops; + fbinfo->flags = FBINFO_FLAG_DEFAULT; + + info->fb_buffer = + dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle, + GFP_KERNEL); + + if (NULL == info->fb_buffer) { + printk(KERN_ERR DRIVER_NAME + ": couldn't allocate dma buffer.\n"); + ret = -ENOMEM; + goto out3; + } + + memset(info->fb_buffer, 0, fbinfo->fix.smem_len); + + fbinfo->screen_base = (void *)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET; + fbinfo->fix.smem_start = (int)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET; + + fbinfo->fbops = &bfin_t350mcqb_fb_ops; + + fbinfo->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL); + if (!fbinfo->pseudo_palette) { + printk(KERN_ERR DRIVER_NAME + "Fail to allocate pseudo_palette\n"); + + ret = -ENOMEM; + goto out4; + } + + memset(fbinfo->pseudo_palette, 0, sizeof(u32) * 16); + + if (fb_alloc_cmap(&fbinfo->cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) + < 0) { + printk(KERN_ERR DRIVER_NAME + "Fail to allocate colormap (%d entries)\n", + BFIN_LCD_NBR_PALETTE_ENTRIES); + ret = -EFAULT; + goto out5; + } + + if (bfin_t350mcqb_request_ports(1)) { + printk(KERN_ERR DRIVER_NAME ": couldn't request gpio port.\n"); + ret = -EFAULT; + goto out6; + } + + info->irq = platform_get_irq(pdev, 0); + if (info->irq < 0) { + ret = -EINVAL; + goto out7; + } + + if (request_irq(info->irq, (void *)bfin_t350mcqb_irq_error, IRQF_DISABLED, + "PPI ERROR", info) < 0) { + printk(KERN_ERR DRIVER_NAME + ": unable to request PPI ERROR IRQ\n"); + ret = -EFAULT; + goto out7; + } + + if (register_framebuffer(fbinfo) < 0) { + printk(KERN_ERR DRIVER_NAME + ": unable to register framebuffer.\n"); + ret = -EINVAL; + goto out8; + } +#ifndef NO_BL_SUPPORT + bl_dev = + backlight_device_register("bf52x-bl", NULL, NULL, + &bfin_lq043fb_bl_ops); + bl_dev->props.max_brightness = 255; + + lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops); + lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); +#endif + + return 0; + +out8: + free_irq(info->irq, info); +out7: + bfin_t350mcqb_request_ports(0); +out6: + fb_dealloc_cmap(&fbinfo->cmap); +out5: + kfree(fbinfo->pseudo_palette); +out4: + dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer, + info->dma_handle); +out3: + framebuffer_release(fbinfo); +out2: + free_dma(CH_PPI); +out1: + platform_set_drvdata(pdev, NULL); + + return ret; +} + +static int bfin_t350mcqb_remove(struct platform_device *pdev) +{ + + struct fb_info *fbinfo = platform_get_drvdata(pdev); + struct bfin_t350mcqbfb_info *info = fbinfo->par; + + free_dma(CH_PPI); + free_irq(info->irq, info); + + if (info->fb_buffer != NULL) + dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer, + info->dma_handle); + + kfree(fbinfo->pseudo_palette); + fb_dealloc_cmap(&fbinfo->cmap); + +#ifndef NO_BL_SUPPORT + lcd_device_unregister(lcd_dev); + backlight_device_unregister(bl_dev); +#endif + + unregister_framebuffer(fbinfo); + + bfin_t350mcqb_request_ports(0); + + printk(KERN_INFO DRIVER_NAME ": Unregister LCD driver.\n"); + + return 0; +} + +#ifdef CONFIG_PM +static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct fb_info *fbinfo = platform_get_drvdata(pdev); + struct bfin_t350mcqbfb_info *info = fbinfo->par; + + bfin_t350mcqb_disable_ppi(); + disable_dma(CH_PPI); + bfin_write_PPI_STATUS(0xFFFF); + + return 0; +} + +static int bfin_t350mcqb_resume(struct platform_device *pdev) +{ + struct fb_info *fbinfo = platform_get_drvdata(pdev); + struct bfin_t350mcqbfb_info *info = fbinfo->par; + + enable_dma(CH_PPI); + bfin_t350mcqb_enable_ppi(); + + return 0; +} +#else +#define bfin_t350mcqb_suspend NULL +#define bfin_t350mcqb_resume NULL +#endif + +static struct platform_driver bfin_t350mcqb_driver = { + .probe = bfin_t350mcqb_probe, + .remove = bfin_t350mcqb_remove, + .suspend = bfin_t350mcqb_suspend, + .resume = bfin_t350mcqb_resume, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __devinit bfin_t350mcqb_driver_init(void) +{ + return platform_driver_register(&bfin_t350mcqb_driver); +} + +static void __exit bfin_t350mcqb_driver_cleanup(void) +{ + platform_driver_unregister(&bfin_t350mcqb_driver); +} + +MODULE_DESCRIPTION("Blackfin TFT LCD Driver"); +MODULE_LICENSE("GPL"); + +module_init(bfin_t350mcqb_driver_init); +module_exit(bfin_t350mcqb_driver_cleanup); diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c index 80cd117ca65..01f77bcc68f 100644 --- a/drivers/video/mbx/mbxfb.c +++ b/drivers/video/mbx/mbxfb.c @@ -889,7 +889,7 @@ static int __devinit mbxfb_probe(struct platform_device *dev) struct mbxfb_info *mfbi; struct mbxfb_platform_data *pdata; - dev_dbg(dev, "mbxfb_probe\n"); + dev_dbg(&dev->dev, "mbxfb_probe\n"); pdata = dev->dev.platform_data; if (!pdata) { diff --git a/drivers/video/stifb.c b/drivers/video/stifb.c index e7c8db2eb49..f98be301140 100644 --- a/drivers/video/stifb.c +++ b/drivers/video/stifb.c @@ -505,16 +505,24 @@ ngleSetupAttrPlanes(struct stifb_info *fb, int BufferNumber) static void rattlerSetupPlanes(struct stifb_info *fb) { + int saved_id, y; + + /* Write RAMDAC pixel read mask register so all overlay + * planes are display-enabled. (CRX24 uses Bt462 pixel + * read mask register for overlay planes, not image planes). + */ CRX24_SETUP_RAMDAC(fb); - /* replacement for: SETUP_FB(fb, CRX24_OVERLAY_PLANES); */ - WRITE_WORD(0x83000300, fb, REG_14); - SETUP_HW(fb); - WRITE_BYTE(1, fb, REG_16b1); + /* change fb->id temporarily to fool SETUP_FB() */ + saved_id = fb->id; + fb->id = CRX24_OVERLAY_PLANES; + SETUP_FB(fb); + fb->id = saved_id; + + for (y = 0; y < fb->info.var.yres; ++y) + memset(fb->info.screen_base + y * fb->info.fix.line_length, + 0xff, fb->info.var.xres * fb->info.var.bits_per_pixel/8); - fb_memset((void*)fb->info.fix.smem_start, 0xff, - fb->info.var.yres*fb->info.fix.line_length); - CRX24_SET_OVLY_MASK(fb); SETUP_FB(fb); } diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c index 919ce75db9e..0a4e07d43d2 100644 --- a/drivers/video/tridentfb.c +++ b/drivers/video/tridentfb.c @@ -566,44 +566,32 @@ static inline void write3CE(int reg, unsigned char val) static void enable_mmio(void) { - unsigned char tmp; - /* Goto New Mode */ outb(0x0B, 0x3C4); inb(0x3C5); /* Unprotect registers */ outb(NewMode1, 0x3C4); - tmp = inb(0x3C5); outb(0x80, 0x3C5); /* Enable MMIO */ outb(PCIReg, 0x3D4); outb(inb(0x3D5) | 0x01, 0x3D5); - - t_outb(NewMode1, 0x3C4); - t_outb(tmp, 0x3C5); } static void disable_mmio(void) { - unsigned char tmp; - /* Goto New Mode */ t_outb(0x0B, 0x3C4); t_inb(0x3C5); /* Unprotect registers */ t_outb(NewMode1, 0x3C4); - tmp = t_inb(0x3C5); t_outb(0x80, 0x3C5); /* Disable MMIO */ t_outb(PCIReg, 0x3D4); t_outb(t_inb(0x3D5) & ~0x01, 0x3D5); - - outb(NewMode1, 0x3C4); - outb(tmp, 0x3C5); } #define crtc_unlock() write3X4(CRTVSyncEnd, read3X4(CRTVSyncEnd) & 0x7F) @@ -757,7 +745,7 @@ static unsigned int __devinit get_memsize(void) switch (tmp) { case 0x01: - k = 512; + k = 512 * Kb; break; case 0x02: k = 6 * Mb; /* XP */ diff --git a/drivers/watchdog/cpu5wdt.c b/drivers/watchdog/cpu5wdt.c index 5941ca601a3..df72f90123d 100644 --- a/drivers/watchdog/cpu5wdt.c +++ b/drivers/watchdog/cpu5wdt.c @@ -59,9 +59,9 @@ static int ticks = 10000; static struct { struct completion stop; - volatile int running; + int running; struct timer_list timer; - volatile int queue; + int queue; int default_ticks; unsigned long inuse; } cpu5wdt_device; diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index a2e174b09fe..6483d1066b9 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -58,41 +58,6 @@ struct bios32_service_dir { u8 reserved[5]; }; -/* - * smbios_entry_point - defines SMBIOS entry point structure - * - * anchor[4] - anchor string (_SM_) - * checksum - checksum of the entry point structure - * length - length of the entry point structure - * major_ver - major version (02h for revision 2.1) - * minor_ver - minor version (01h for revision 2.1) - * max_struct_size - size of the largest SMBIOS structure - * revision - entry point structure revision implemented - * formatted_area[5] - reserved - * intermediate_anchor[5] - intermediate anchor string (_DMI_) - * intermediate_checksum - intermediate checksum - * table_length - structure table length - * table_address - structure table address - * table_num_structs - number of SMBIOS structures present - * bcd_revision - BCD revision - */ -struct smbios_entry_point { - u8 anchor[4]; - u8 checksum; - u8 length; - u8 major_ver; - u8 minor_ver; - u16 max_struct_size; - u8 revision; - u8 formatted_area[5]; - u8 intermediate_anchor[5]; - u8 intermediate_checksum; - u16 table_length; - u64 table_address; - u16 table_num_structs; - u8 bcd_revision; -}; - /* type 212 */ struct smbios_cru64_info { u8 type; @@ -175,31 +140,13 @@ static struct pci_device_id hpwdt_devices[] = { }; MODULE_DEVICE_TABLE(pci, hpwdt_devices); -/* - * bios_checksum - */ -static int __devinit bios_checksum(const char __iomem *ptr, int len) -{ - char sum = 0; - int i; - - /* - * calculate checksum of size bytes. This should add up - * to zero if we have a valid header. - */ - for (i = 0; i < len; i++) - sum += ptr[i]; - - return ((sum == 0) && (len > 0)); -} - #ifndef CONFIG_X86_64 /* --32 Bit Bios------------------------------------------------------------ */ #define HPWDT_ARCH 32 -asmlinkage void asminline_call(struct cmn_registers *pi86Regs, - unsigned long *pRomEntry) +static void asminline_call(struct cmn_registers *pi86Regs, + unsigned long *pRomEntry) { asm("pushl %ebp \n\t" "movl %esp, %ebp \n\t" @@ -303,6 +250,24 @@ static int __devinit cru_detect(unsigned long map_entry, } /* + * bios_checksum + */ +static int __devinit bios_checksum(const char __iomem *ptr, int len) +{ + char sum = 0; + int i; + + /* + * calculate checksum of size bytes. This should add up + * to zero if we have a valid header. + */ + for (i = 0; i < len; i++) + sum += ptr[i]; + + return ((sum == 0) && (len > 0)); +} + +/* * bios32_present * * Routine Description: @@ -368,8 +333,8 @@ static int __devinit detect_cru_service(void) #define HPWDT_ARCH 64 -asmlinkage void asminline_call(struct cmn_registers *pi86Regs, - unsigned long *pRomEntry) +static void asminline_call(struct cmn_registers *pi86Regs, + unsigned long *pRomEntry) { asm("pushq %rbp \n\t" "movq %rsp, %rbp \n\t" @@ -410,12 +375,8 @@ asmlinkage void asminline_call(struct cmn_registers *pi86Regs, * dmi_find_cru * * Routine Description: - * This function checks wether or not a SMBIOS/DMI record is + * This function checks whether or not a SMBIOS/DMI record is * the 64bit CRU info or not - * - * Return Value: - * 0 : SUCCESS - if record found - * <0 : FAILURE - if record not found */ static void __devinit dmi_find_cru(const struct dmi_header *dm) { @@ -434,138 +395,11 @@ static void __devinit dmi_find_cru(const struct dmi_header *dm) } } -/* - * dmi_table - * - * Routine Description: - * Decode the SMBIOS/DMI table and check if we have a 64bit CRU record - * or not. - * - * We have to be cautious here. We have seen BIOSes with DMI pointers - * pointing to completely the wrong place for example - */ -static void __devinit dmi_table(u8 *buf, int len, int num, - void (*decode)(const struct dmi_header *)) -{ - u8 *data = buf; - int i = 0; - - /* - * Stop when we see all the items the table claimed to have - * OR we run off the end of the table (also happens) - */ - while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) { - const struct dmi_header *dm = (const struct dmi_header *)data; - - /* - * We want to know the total length (formated area and strings) - * before decoding to make sure we won't run off the table in - * dmi_decode or dmi_string - */ - data += dm->length; - while ((data - buf < len - 1) && (data[0] || data[1])) - data++; - if (data - buf < len - 1) - decode(dm); - data += 2; - i++; - } -} - -/* - * smbios_present - * - * Routine Description: - * This function parses the SMBIOS entry point table to retrieve - * the 64 bit CRU Service. - * - * Return Value: - * 0 : SUCCESS - * <0 : FAILURE - */ -static int __devinit smbios_present(const char __iomem *p) -{ - struct smbios_entry_point *eps = - (struct smbios_entry_point *) p; - int length; - u8 *buf; - - /* check if we have indeed the SMBIOS table entry point */ - if ((strncmp((char *)eps->anchor, "_SM_", - sizeof(eps->anchor))) == 0) { - length = eps->length; - - /* SMBIOS v2.1 implementation might use 0x1e */ - if ((length == 0x1e) && - (eps->major_ver == 2) && - (eps->minor_ver == 1)) - length = 0x1f; - - /* - * Now we will check: - * - SMBIOS checksum must be 0 - * - intermediate anchor should be _DMI_ - * - intermediate checksum should be 0 - */ - if ((bios_checksum(p, length)) && - (strncmp((char *)eps->intermediate_anchor, "_DMI_", - sizeof(eps->intermediate_anchor)) == 0) && - (bios_checksum(p+0x10, 15))) { - buf = ioremap(eps->table_address, eps->table_length); - if (buf == NULL) - return -ENODEV; - - - /* Scan the DMI table for the 64 bit CRU service */ - dmi_table(buf, eps->table_length, - eps->table_num_structs, dmi_find_cru); - - iounmap(buf); - return 0; - } - } - - return -ENODEV; -} - -static int __devinit smbios_scan_machine(void) -{ - char __iomem *p, *q; - int rc; - - if (efi_enabled) { - if (efi.smbios == EFI_INVALID_TABLE_ADDR) - return -ENODEV; - - p = ioremap(efi.smbios, 32); - if (p == NULL) - return -ENOMEM; - - rc = smbios_present(p); - iounmap(p); - } else { - /* - * Search from 0x0f0000 through 0x0fffff, inclusive. - */ - p = ioremap(PCI_ROM_BASE1, ROM_SIZE); - if (p == NULL) - return -ENOMEM; - - for (q = p; q < p + ROM_SIZE; q += 16) { - rc = smbios_present(q); - if (!rc) { - break; - } - } - iounmap(p); - } -} - static int __devinit detect_cru_service(void) { cru_rom_addr = NULL; - smbios_scan_machine(); /* will become dmi_walk(dmi_find_cru); */ + dmi_walk(dmi_find_cru); /* if cru_rom_addr has been set then we found a CRU service */ return ((cru_rom_addr != NULL)? 0: -ENODEV); diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c index 1b6d7d1b715..1efcad3b6fc 100644 --- a/drivers/watchdog/it8712f_wdt.c +++ b/drivers/watchdog/it8712f_wdt.c @@ -7,7 +7,8 @@ * * drivers/char/watchdog/scx200_wdt.c * drivers/hwmon/it87.c - * IT8712F EC-LPC I/O Preliminary Specification 0.9.2.pdf + * IT8712F EC-LPC I/O Preliminary Specification 0.8.2 + * IT8712F EC-LPC I/O Preliminary Specification 0.9.3 * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -40,6 +41,7 @@ MODULE_DESCRIPTION("IT8712F Watchdog Driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); +static int max_units = 255; static int margin = 60; /* in seconds */ module_param(margin, int, 0); MODULE_PARM_DESC(margin, "Watchdog margin in seconds"); @@ -51,6 +53,7 @@ MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close"); static struct semaphore it8712f_wdt_sem; static unsigned expect_close; static spinlock_t io_lock; +static unsigned char revision; /* Dog Food address - We use the game port address */ static unsigned short address; @@ -108,6 +111,15 @@ superio_inw(int reg) return val; } +static void +superio_outw(int val, int reg) +{ + outb(reg++, REG); + outb((val >> 8) & 0xff, VAL); + outb(reg, REG); + outb(val & 0xff, VAL); +} + static inline void superio_select(int ldn) { @@ -143,15 +155,33 @@ static void it8712f_wdt_update_margin(void) { int config = WDT_OUT_KRST | WDT_OUT_PWROK; - - printk(KERN_INFO NAME ": timer margin %d seconds\n", margin); - - /* The timeout register only has 8bits wide */ - if (margin < 256) - config |= WDT_UNIT_SEC; /* else UNIT are MINUTES */ + int units = margin; + + /* Switch to minutes precision if the configured margin + * value does not fit within the register width. + */ + if (units <= max_units) { + config |= WDT_UNIT_SEC; /* else UNIT is MINUTES */ + printk(KERN_INFO NAME ": timer margin %d seconds\n", units); + } else { + units /= 60; + printk(KERN_INFO NAME ": timer margin %d minutes\n", units); + } superio_outb(config, WDT_CONFIG); - superio_outb((margin > 255) ? (margin / 60) : margin, WDT_TIMEOUT); + if (revision >= 0x08) + superio_outw(units, WDT_TIMEOUT); + else + superio_outb(units, WDT_TIMEOUT); +} + +static int +it8712f_wdt_get_status(void) +{ + if (superio_inb(WDT_CONTROL) & 0x01) + return WDIOF_CARDRESET; + else + return 0; } static void @@ -234,7 +264,7 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file, .firmware_version = 1, .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, }; - int new_margin; + int value; switch (cmd) { default: @@ -244,17 +274,27 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file, return -EFAULT; return 0; case WDIOC_GETSTATUS: + superio_enter(); + superio_select(LDN_GPIO); + + value = it8712f_wdt_get_status(); + + superio_exit(); + + return put_user(value, p); case WDIOC_GETBOOTSTATUS: return put_user(0, p); case WDIOC_KEEPALIVE: it8712f_wdt_ping(); return 0; case WDIOC_SETTIMEOUT: - if (get_user(new_margin, p)) + if (get_user(value, p)) return -EFAULT; - if (new_margin < 1) + if (value < 1) + return -EINVAL; + if (value > (max_units * 60)) return -EINVAL; - margin = new_margin; + margin = value; superio_enter(); superio_select(LDN_GPIO); @@ -262,6 +302,7 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file, superio_exit(); it8712f_wdt_ping(); + /* Fall through */ case WDIOC_GETTIMEOUT: if (put_user(margin, p)) return -EFAULT; @@ -336,9 +377,18 @@ it8712f_wdt_find(unsigned short *address) } err = 0; - printk(KERN_DEBUG NAME ": Found IT%04xF chip revision %d - " + revision = superio_inb(DEVREV) & 0x0f; + + /* Later revisions have 16-bit values per datasheet 0.9.1 */ + if (revision >= 0x08) + max_units = 65535; + + if (margin > (max_units * 60)) + margin = (max_units * 60); + + printk(KERN_INFO NAME ": Found IT%04xF chip revision %d - " "using DogFood address 0x%x\n", - chip_type, superio_inb(DEVREV) & 0x0f, *address); + chip_type, revision, *address); exit: superio_exit(); diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c index e6e07b4575e..6905135a776 100644 --- a/drivers/watchdog/machzwd.c +++ b/drivers/watchdog/machzwd.c @@ -141,7 +141,7 @@ static unsigned long next_heartbeat = 0; #ifndef ZF_DEBUG # define dprintk(format, args...) #else -# define dprintk(format, args...) printk(KERN_DEBUG PFX ":%s:%d: " format, __FUNCTION__, __LINE__ , ## args) +# define dprintk(format, args...) printk(KERN_DEBUG PFX ":%s:%d: " format, __func__, __LINE__ , ## args) #endif diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c index 789831b3fa0..10b89f2703b 100644 --- a/drivers/watchdog/mtx-1_wdt.c +++ b/drivers/watchdog/mtx-1_wdt.c @@ -59,9 +59,9 @@ static int ticks = 100 * HZ; static struct { struct completion stop; - volatile int running; + int running; struct timer_list timer; - volatile int queue; + int queue; int default_ticks; unsigned long inuse; unsigned gpio; diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c index 0f3fd6c9c35..bf443d077a1 100644 --- a/drivers/watchdog/pcwd_usb.c +++ b/drivers/watchdog/pcwd_usb.c @@ -179,11 +179,11 @@ static void usb_pcwd_intr_done(struct urb *urb) case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ - dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); + dbg("%s - urb shutting down with status: %d", __func__, urb->status); return; /* -EPIPE: should clear the halt */ default: /* error */ - dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); + dbg("%s - nonzero urb status received: %d", __func__, urb->status); goto resubmit; } diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 5d1c15f83d2..7645e881215 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -144,7 +144,7 @@ static int s3c2410wdt_start(void) } DBG("%s: wdt_count=0x%08x, wtcon=%08lx\n", - __FUNCTION__, wdt_count, wtcon); + __func__, wdt_count, wtcon); writel(wdt_count, wdt_base + S3C2410_WTDAT); writel(wdt_count, wdt_base + S3C2410_WTCNT); @@ -167,7 +167,7 @@ static int s3c2410wdt_set_heartbeat(int timeout) count = timeout * freq; DBG("%s: count=%d, timeout=%d, freq=%d\n", - __FUNCTION__, count, timeout, freq); + __func__, count, timeout, freq); /* if the count is bigger than the watchdog register, then work out what we need to do (and if) we can @@ -189,7 +189,7 @@ static int s3c2410wdt_set_heartbeat(int timeout) tmr_margin = timeout; DBG("%s: timeout=%d, divisor=%d, count=%d (%08x)\n", - __FUNCTION__, timeout, divisor, count, count/divisor); + __func__, timeout, divisor, count, count/divisor); count /= divisor; wdt_count = count; @@ -355,7 +355,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev) int ret; int size; - DBG("%s: probe=%p\n", __FUNCTION__, pdev); + DBG("%s: probe=%p\n", __func__, pdev); dev = &pdev->dev; wdt_dev = &pdev->dev; diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c index 61dde863bd4..1277f7e9cc5 100644 --- a/drivers/watchdog/shwdt.c +++ b/drivers/watchdog/shwdt.c @@ -298,7 +298,7 @@ static int sh_wdt_mmap(struct file *file, struct vm_area_struct *vma) if (io_remap_pfn_range(vma, vma->vm_start, addr >> PAGE_SHIFT, PAGE_SIZE, vma->vm_page_prot)) { printk(KERN_ERR PFX "%s: io_remap_pfn_range failed\n", - __FUNCTION__); + __func__); return -EAGAIN; } diff --git a/include/linux/memstick.h b/include/linux/memstick.h index 334d059d679..b7ee2588883 100644 --- a/include/linux/memstick.h +++ b/include/linux/memstick.h @@ -22,6 +22,8 @@ struct ms_status_register { unsigned char reserved; unsigned char interrupt; #define MEMSTICK_INT_CMDNAK 0x0001 +#define MEMSTICK_INT_IOREQ 0x0008 +#define MEMSTICK_INT_IOBREQ 0x0010 #define MEMSTICK_INT_BREQ 0x0020 #define MEMSTICK_INT_ERR 0x0040 #define MEMSTICK_INT_CED 0x0080 @@ -47,13 +49,17 @@ struct ms_status_register { struct ms_id_register { unsigned char type; - unsigned char reserved; + unsigned char if_mode; unsigned char category; unsigned char class; } __attribute__((packed)); struct ms_param_register { unsigned char system; +#define MEMSTICK_SYS_ATEN 0xc0 +#define MEMSTICK_SYS_BAMD 0x80 +#define MEMSTICK_SYS_PAM 0x08 + unsigned char block_address_msb; unsigned short block_address; unsigned char cp; @@ -90,16 +96,48 @@ struct ms_register { struct mspro_param_register { unsigned char system; +#define MEMSTICK_SYS_SERIAL 0x80 +#define MEMSTICK_SYS_PAR4 0x00 +#define MEMSTICK_SYS_PAR8 0x40 + + unsigned short data_count; + unsigned int data_address; + unsigned char tpc_param; +} __attribute__((packed)); + +struct mspro_io_info_register { + unsigned char version; + unsigned char io_category; + unsigned char current_req; + unsigned char card_opt_info; + unsigned char rdy_wait_time; +} __attribute__((packed)); + +struct mspro_io_func_register { + unsigned char func_enable; + unsigned char func_select; + unsigned char func_intmask; + unsigned char transfer_mode; +} __attribute__((packed)); + +struct mspro_io_cmd_register { + unsigned short tpc_param; unsigned short data_count; unsigned int data_address; - unsigned char cmd_param; } __attribute__((packed)); struct mspro_register { - struct ms_status_register status; - struct ms_id_register id; - unsigned char reserved[8]; - struct mspro_param_register param; + struct ms_status_register status; + struct ms_id_register id; + unsigned char reserved0[8]; + struct mspro_param_register param; + unsigned char reserved1[8]; + struct mspro_io_info_register io_info; + struct mspro_io_func_register io_func; + unsigned char reserved2[7]; + struct mspro_io_cmd_register io_cmd; + unsigned char io_int; + unsigned char io_int_func; } __attribute__((packed)); struct ms_register_addr { @@ -110,49 +148,55 @@ struct ms_register_addr { } __attribute__((packed)); enum { + MS_TPC_READ_MG_STATUS = 0x01, MS_TPC_READ_LONG_DATA = 0x02, MS_TPC_READ_SHORT_DATA = 0x03, + MS_TPC_READ_MG_DATA = 0x03, MS_TPC_READ_REG = 0x04, - MS_TPC_READ_IO_DATA = 0x05, /* unverified */ + MS_TPC_READ_QUAD_DATA = 0x05, + MS_TPC_READ_IO_DATA = 0x05, MS_TPC_GET_INT = 0x07, MS_TPC_SET_RW_REG_ADRS = 0x08, MS_TPC_EX_SET_CMD = 0x09, - MS_TPC_WRITE_IO_DATA = 0x0a, /* unverified */ + MS_TPC_WRITE_QUAD_DATA = 0x0a, + MS_TPC_WRITE_IO_DATA = 0x0a, MS_TPC_WRITE_REG = 0x0b, MS_TPC_WRITE_SHORT_DATA = 0x0c, + MS_TPC_WRITE_MG_DATA = 0x0c, MS_TPC_WRITE_LONG_DATA = 0x0d, MS_TPC_SET_CMD = 0x0e }; enum { - MS_CMD_BLOCK_END = 0x33, - MS_CMD_RESET = 0x3c, - MS_CMD_BLOCK_WRITE = 0x55, - MS_CMD_SLEEP = 0x5a, - MS_CMD_BLOCK_ERASE = 0x99, - MS_CMD_BLOCK_READ = 0xaa, - MS_CMD_CLEAR_BUF = 0xc3, - MS_CMD_FLASH_STOP = 0xcc, - MSPRO_CMD_FORMAT = 0x10, - MSPRO_CMD_SLEEP = 0x11, - MSPRO_CMD_READ_DATA = 0x20, - MSPRO_CMD_WRITE_DATA = 0x21, - MSPRO_CMD_READ_ATRB = 0x24, - MSPRO_CMD_STOP = 0x25, - MSPRO_CMD_ERASE = 0x26, - MSPRO_CMD_SET_IBA = 0x46, - MSPRO_CMD_SET_IBD = 0x47 -/* - MSPRO_CMD_RESET - MSPRO_CMD_WAKEUP - MSPRO_CMD_IN_IO_DATA - MSPRO_CMD_OUT_IO_DATA - MSPRO_CMD_READ_IO_ATRB - MSPRO_CMD_IN_IO_FIFO - MSPRO_CMD_OUT_IO_FIFO - MSPRO_CMD_IN_IOM - MSPRO_CMD_OUT_IOM -*/ + MS_CMD_BLOCK_END = 0x33, + MS_CMD_RESET = 0x3c, + MS_CMD_BLOCK_WRITE = 0x55, + MS_CMD_SLEEP = 0x5a, + MS_CMD_BLOCK_ERASE = 0x99, + MS_CMD_BLOCK_READ = 0xaa, + MS_CMD_CLEAR_BUF = 0xc3, + MS_CMD_FLASH_STOP = 0xcc, + MS_CMD_LOAD_ID = 0x60, + MS_CMD_CMP_ICV = 0x7f, + MSPRO_CMD_FORMAT = 0x10, + MSPRO_CMD_SLEEP = 0x11, + MSPRO_CMD_WAKEUP = 0x12, + MSPRO_CMD_READ_DATA = 0x20, + MSPRO_CMD_WRITE_DATA = 0x21, + MSPRO_CMD_READ_ATRB = 0x24, + MSPRO_CMD_STOP = 0x25, + MSPRO_CMD_ERASE = 0x26, + MSPRO_CMD_READ_QUAD = 0x27, + MSPRO_CMD_WRITE_QUAD = 0x28, + MSPRO_CMD_SET_IBD = 0x46, + MSPRO_CMD_GET_IBD = 0x47, + MSPRO_CMD_IN_IO_DATA = 0xb0, + MSPRO_CMD_OUT_IO_DATA = 0xb1, + MSPRO_CMD_READ_IO_ATRB = 0xb2, + MSPRO_CMD_IN_IO_FIFO = 0xb3, + MSPRO_CMD_OUT_IO_FIFO = 0xb4, + MSPRO_CMD_IN_IOM = 0xb5, + MSPRO_CMD_OUT_IOM = 0xb6, }; /*** Driver structures and functions ***/ @@ -165,7 +209,8 @@ enum memstick_param { MEMSTICK_POWER = 1, MEMSTICK_INTERFACE }; #define MEMSTICK_POWER_ON 1 #define MEMSTICK_SERIAL 0 -#define MEMSTICK_PARALLEL 1 +#define MEMSTICK_PAR4 1 +#define MEMSTICK_PAR8 2 struct memstick_host; struct memstick_driver; @@ -195,11 +240,7 @@ struct memstick_request { unsigned char data_dir:1, need_card_int:1, get_int_reg:1, - io_type:2; -#define MEMSTICK_IO_NONE 0 -#define MEMSTICK_IO_VAL 1 -#define MEMSTICK_IO_SG 2 - + long_data:1; unsigned char int_reg; int error; union { @@ -231,8 +272,9 @@ struct memstick_host { struct mutex lock; unsigned int id; unsigned int caps; -#define MEMSTICK_CAP_PARALLEL 1 -#define MEMSTICK_CAP_AUTO_GET_INT 2 +#define MEMSTICK_CAP_AUTO_GET_INT 1 +#define MEMSTICK_CAP_PAR4 2 +#define MEMSTICK_CAP_PAR8 4 struct work_struct media_checker; struct class_device cdev; @@ -270,6 +312,8 @@ int memstick_add_host(struct memstick_host *host); void memstick_remove_host(struct memstick_host *host); void memstick_free_host(struct memstick_host *host); void memstick_detect_change(struct memstick_host *host); +void memstick_suspend_host(struct memstick_host *host); +void memstick_resume_host(struct memstick_host *host); void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc, struct scatterlist *sg); diff --git a/include/linux/pci.h b/include/linux/pci.h index f3165e7ac43..38eff194775 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -389,13 +389,13 @@ struct pci_driver { #define to_pci_driver(drv) container_of(drv, struct pci_driver, driver) /** - * DECLARE_PCI_DEVICE_TABLE - macro used to describe a pci device table + * DEFINE_PCI_DEVICE_TABLE - macro used to describe a pci device table * @_table: device table name * * This macro is used to create a struct pci_device_id array (a device table) * in a generic manner. */ -#define DECLARE_PCI_DEVICE_TABLE(_table) \ +#define DEFINE_PCI_DEVICE_TABLE(_table) \ const struct pci_device_id _table[] __devinitconst /** diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index effdb558a58..70eb3c803d4 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2184,6 +2184,7 @@ #define PCI_DEVICE_ID_JMICRON_JMB366 0x2366 #define PCI_DEVICE_ID_JMICRON_JMB368 0x2368 #define PCI_DEVICE_ID_JMICRON_JMB38X_SD 0x2381 +#define PCI_DEVICE_ID_JMICRON_JMB38X_MS 0x2383 #define PCI_VENDOR_ID_KORENIX 0x1982 #define PCI_DEVICE_ID_KORENIX_JETCARDF0 0x1600 diff --git a/include/linux/tifm.h b/include/linux/tifm.h index da76ed85f59..848c0f39254 100644 --- a/include/linux/tifm.h +++ b/include/linux/tifm.h @@ -70,9 +70,9 @@ enum { #define TIFM_FIFO_ENABLE 0x00000001 #define TIFM_FIFO_READY 0x00000001 +#define TIFM_FIFO_MORE 0x00000008 #define TIFM_FIFO_INT_SETALL 0x0000ffff #define TIFM_FIFO_INTMASK 0x00000005 -#define TIFM_FIFO_SIZE 0x00000200 #define TIFM_DMA_RESET 0x00000002 #define TIFM_DMA_TX 0x00008000 diff --git a/init/Kconfig b/init/Kconfig index 074ac97f55e..a97924bc5b8 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -865,38 +865,10 @@ source "block/Kconfig" config PREEMPT_NOTIFIERS bool -choice - prompt "RCU implementation type:" - default CLASSIC_RCU - help - This allows you to choose either the classic RCU implementation - that is designed for best read-side performance on non-realtime - systems, or the preemptible RCU implementation for best latency - on realtime systems. Note that some kernel preemption modes - will restrict your choice. - - Select the default if you are unsure. - config CLASSIC_RCU - bool "Classic RCU" + def_bool !PREEMPT_RCU help This option selects the classic RCU implementation that is designed for best read-side performance on non-realtime - systems. - - Say Y if you are unsure. - -config PREEMPT_RCU - bool "Preemptible RCU" - depends on PREEMPT - help - This option reduces the latency of the kernel by making certain - RCU sections preemptible. Normally RCU code is non-preemptible, if - this option is selected then read-only RCU sections become - preemptible. This helps latency, but may expose bugs due to - now-naive assumptions about each RCU read-side critical section - remaining on a given CPU through its execution. - - Say N if you are unsure. - -endchoice + systems. Classic RCU is the default. Note that the + PREEMPT_RCU symbol is used to select/deselect this option. diff --git a/ipc/shm.c b/ipc/shm.c index c47e87278a9..cc63fae02f0 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -271,9 +271,10 @@ static struct mempolicy *shm_get_policy(struct vm_area_struct *vma, if (sfd->vm_ops->get_policy) pol = sfd->vm_ops->get_policy(vma, addr); - else if (vma->vm_policy) + else if (vma->vm_policy) { pol = vma->vm_policy; - else + mpol_get(pol); /* get_vma_policy() expects this */ + } else pol = current->mempolicy; return pol; } diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt index 0669b70fa6a..9fdba03dc1f 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -52,8 +52,23 @@ config PREEMPT endchoice +config PREEMPT_RCU + bool "Preemptible RCU" + depends on PREEMPT + default n + help + This option reduces the latency of the kernel by making certain + RCU sections preemptible. Normally RCU code is non-preemptible, if + this option is selected then read-only RCU sections become + preemptible. This helps latency, but may expose bugs due to + now-naive assumptions about each RCU read-side critical section + remaining on a given CPU through its execution. + + Say N if you are unsure. + config RCU_TRACE bool "Enable tracing for RCU - currently stats in debugfs" + depends on PREEMPT_RCU select DEBUG_FS default y help diff --git a/kernel/module.c b/kernel/module.c index be4807fb90e..5d437bffd8d 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2178,10 +2178,20 @@ sys_init_module(void __user *umod, wake_up(&module_wq); return ret; } + if (ret > 0) { + printk(KERN_WARNING "%s: '%s'->init suspiciously returned %d, " + "it should follow 0/-E convention\n" + KERN_WARNING "%s: loading module anyway...\n", + __func__, mod->name, ret, + __func__); + dump_stack(); + } - /* Now it's a first class citizen! */ - mutex_lock(&module_mutex); + /* Now it's a first class citizen! Wake up anyone waiting for it. */ mod->state = MODULE_STATE_LIVE; + wake_up(&module_wq); + + mutex_lock(&module_mutex); /* Drop initial reference. */ module_put(mod); unwind_remove_table(mod->unwind_info, 1); @@ -2190,7 +2200,6 @@ sys_init_module(void __user *umod, mod->init_size = 0; mod->init_text_size = 0; mutex_unlock(&module_mutex); - wake_up(&module_wq); return 0; } diff --git a/mm/filemap.c b/mm/filemap.c index ab98557e228..df343d1e634 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1742,21 +1742,27 @@ size_t iov_iter_copy_from_user(struct page *page, } EXPORT_SYMBOL(iov_iter_copy_from_user); -static void __iov_iter_advance_iov(struct iov_iter *i, size_t bytes) +void iov_iter_advance(struct iov_iter *i, size_t bytes) { + BUG_ON(i->count < bytes); + if (likely(i->nr_segs == 1)) { i->iov_offset += bytes; + i->count -= bytes; } else { const struct iovec *iov = i->iov; size_t base = i->iov_offset; /* * The !iov->iov_len check ensures we skip over unlikely - * zero-length segments. + * zero-length segments (without overruning the iovec). */ - while (bytes || !iov->iov_len) { - int copy = min(bytes, iov->iov_len - base); + while (bytes || unlikely(!iov->iov_len && i->count)) { + int copy; + copy = min(bytes, iov->iov_len - base); + BUG_ON(!i->count || i->count < copy); + i->count -= copy; bytes -= copy; base += copy; if (iov->iov_len == base) { @@ -1768,14 +1774,6 @@ static void __iov_iter_advance_iov(struct iov_iter *i, size_t bytes) i->iov_offset = base; } } - -void iov_iter_advance(struct iov_iter *i, size_t bytes) -{ - BUG_ON(i->count < bytes); - - __iov_iter_advance_iov(i, bytes); - i->count -= bytes; -} EXPORT_SYMBOL(iov_iter_advance); /* diff --git a/mm/hugetlb.c b/mm/hugetlb.c index dcacc811e70..74c1b6b0b37 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -286,6 +286,12 @@ static struct page *alloc_buddy_huge_page(struct vm_area_struct *vma, spin_lock(&hugetlb_lock); if (page) { + /* + * This page is now managed by the hugetlb allocator and has + * no users -- drop the buddy allocator's reference. + */ + put_page_testzero(page); + VM_BUG_ON(page_count(page)); nid = page_to_nid(page); set_compound_page_dtor(page, free_huge_page); /* @@ -369,13 +375,14 @@ free: enqueue_huge_page(page); else { /* - * Decrement the refcount and free the page using its - * destructor. This must be done with hugetlb_lock + * The page has a reference count of zero already, so + * call free_huge_page directly instead of using + * put_page. This must be done with hugetlb_lock * unlocked which is safe because free_huge_page takes * hugetlb_lock before deciding how to free the page. */ spin_unlock(&hugetlb_lock); - put_page(page); + free_huge_page(page); spin_lock(&hugetlb_lock); } } diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 6c7ba1a63d2..3c360112150 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1296,7 +1296,9 @@ struct zonelist *huge_zonelist(struct vm_area_struct *vma, unsigned long addr, unsigned nid; nid = interleave_nid(pol, vma, addr, HPAGE_SHIFT); - __mpol_free(pol); /* finished with pol */ + if (unlikely(pol != &default_policy && + pol != current->mempolicy)) + __mpol_free(pol); /* finished with pol */ return NODE_DATA(nid)->node_zonelists + gfp_zone(gfp_flags); } @@ -1360,6 +1362,9 @@ alloc_page_vma(gfp_t gfp, struct vm_area_struct *vma, unsigned long addr) unsigned nid; nid = interleave_nid(pol, vma, addr, PAGE_SHIFT); + if (unlikely(pol != &default_policy && + pol != current->mempolicy)) + __mpol_free(pol); /* finished with pol */ return alloc_page_interleave(gfp, 0, nid); } zl = zonelist_policy(gfp, pol); |