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Date: Sat, 23 Oct 2010 01:53:43 +0200
From: Maxim Levitsky <maximlevitsky@...il.com>
To: Alex Dubov <oakad@...oo.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>,
Maxim Levitsky <maximlevitsky@...il.com>
Subject: [PATCH 15/29] memstick: jmb38x_ms: Create header
In the new header add:
* debug macros
* Registers + some documntation
Signed-off-by: Maxim Levitsky <maximlevitsky@...il.com>
---
drivers/memstick/host/jmb38x_ms.c | 139 +--------------------------
drivers/memstick/host/jmb38x_ms.h | 188 +++++++++++++++++++++++++++++++++++++
2 files changed, 194 insertions(+), 133 deletions(-)
create mode 100644 drivers/memstick/host/jmb38x_ms.h
diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c
index f2b894c..7a00bef 100644
--- a/drivers/memstick/host/jmb38x_ms.c
+++ b/drivers/memstick/host/jmb38x_ms.c
@@ -17,141 +17,10 @@
#include <linux/highmem.h>
#include <linux/memstick.h>
#include <linux/slab.h>
-
-#define DRIVER_NAME "jmb38x_ms"
+#include "jmb38x_ms.h"
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;
- struct tasklet_struct notify;
- int id;
- char host_id[32];
- int irq;
- unsigned int block_pos;
- unsigned long timeout_jiffies;
- struct timer_list timer;
- struct memstick_request *req;
- 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_TDELAY_EN 0x00040000
-#define HOST_CONTROL_HW_OC_P 0x00010000
-#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_REO 0x00000008
-#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_BUSY 0x00080000
-#define STATUS_MS_DAT7 0x00040000
-#define STATUS_MS_DAT6 0x00020000
-#define STATUS_MS_DAT5 0x00010000
-#define STATUS_MS_DAT4 0x00008000
-#define STATUS_MS_DAT3 0x00004000
-#define STATUS_MS_DAT2 0x00002000
-#define STATUS_MS_DAT1 0x00001000
-#define STATUS_MS_DAT0 0x00000800
-#define STATUS_HAS_MEDIA 0x00000400
-#define STATUS_FIFO_EMPTY 0x00000200
-#define STATUS_FIFO_FULL 0x00000100
-#define STATUS_MS_CED 0x00000080
-#define STATUS_MS_ERR 0x00000040
-#define STATUS_MS_BRQ 0x00000020
-#define STATUS_MS_CNK 0x00000001
-
-#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
-
-#define CLOCK_CONTROL_40MHZ 0x00000001
-#define CLOCK_CONTROL_50MHZ 0x0000000a
-#define CLOCK_CONTROL_60MHZ 0x00000008
-#define CLOCK_CONTROL_62_5MHZ 0x0000000c
-#define CLOCK_CONTROL_OFF 0x00000000
-
-#define PCI_CTL_CLOCK_DLY_ADDR 0x000000b0
-#define PCI_CTL_CLOCK_DLY_MASK_A 0x00000f00
-#define PCI_CTL_CLOCK_DLY_MASK_B 0x0000f000
-
-enum {
- CMD_READY = 0x01,
- FIFO_READY = 0x02,
- REG_DATA = 0x04,
- DMA_DATA = 0x08
-};
+static int debug;
static unsigned int jmb38x_ms_read_data(struct jmb38x_ms_host *host,
unsigned char *buf, unsigned int length)
@@ -1012,5 +881,9 @@ MODULE_DESCRIPTION("JMicron jmb38x MemoryStick driver");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, jmb38x_ms_id_tbl);
+module_param(no_dma, bool, S_IRUGO);
+module_param(debug, bool, S_IRUGO);
+
+
module_init(jmb38x_ms_init);
module_exit(jmb38x_ms_exit);
diff --git a/drivers/memstick/host/jmb38x_ms.h b/drivers/memstick/host/jmb38x_ms.h
new file mode 100644
index 0000000..5bca4b3
--- /dev/null
+++ b/drivers/memstick/host/jmb38x_ms.h
@@ -0,0 +1,188 @@
+/*
+ * jmb38x_ms.c - JMicron jmb38x MemoryStick card reader
+ *
+ * Copyright (C) 2008 Alex Dubov <oakad@...oo.com>
+ * Copyright (C) 2010 Maxim Levitsky <maximlevitsky@...il.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.
+ *
+ */
+
+#define DRIVER_NAME "jmb38x_ms"
+
+/* physical address of a page for DMA */
+#define DMA_ADDRESS 0x00
+
+/* controls the size of the TPC */
+#define BLOCK 0x04
+#define BLOCK_COUNT_MASK 0xffff0000
+#define BLOCK_COUNT_1BLOCK 0x00010000
+#define BLOCK_SIZE_MASK 0x00000fff
+
+/* Enables the DMA */
+#define DMA_CONTROL 0x08
+#define DMA_CONTROL_ENABLE 0x00000001
+
+/* A window for small TPCs to send the contents inline */
+#define TPC_P0 0x0c
+#define TPC_P1 0x10
+
+/* TPC execution register */
+#define TPC 0x14
+#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
+
+/* General device settings */
+#define HOST_CONTROL 0x18
+#define HOST_CONTROL_TDELAY_EN 0x00040000
+#define HOST_CONTROL_HW_OC_P 0x00010000
+#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_REO 0x00000008
+#define HOST_CONTROL_BSY_TIME 0x00000007
+
+#define HOST_CONTROL_IF_SHIFT 4
+#define HOST_CONTROL_IF_SERIAL 0x0
+#define HOST_CONTROL_IF_PAR4 0x1
+#define HOST_CONTROL_IF_PAR8 0x3
+
+
+/* IO window for PIO access to internal FIFO*/
+#define DATA 0x1c
+
+/* MS status */
+#define STATUS 0x20
+#define STATUS_BUSY 0x00080000
+#define STATUS_MS_DAT7 0x00040000
+#define STATUS_MS_DAT6 0x00020000
+#define STATUS_MS_DAT5 0x00010000
+#define STATUS_MS_DAT4 0x00008000
+#define STATUS_MS_DAT3 0x00004000
+#define STATUS_MS_DAT2 0x00002000
+#define STATUS_MS_DAT1 0x00001000
+#define STATUS_MS_DAT0 0x00000800
+#define STATUS_HAS_MEDIA 0x00000400
+#define STATUS_FIFO_EMPTY 0x00000200
+#define STATUS_FIFO_FULL 0x00000100
+#define STATUS_MS_CED 0x00000080
+#define STATUS_MS_ERR 0x00000040
+#define STATUS_MS_BRQ 0x00000020
+#define STATUS_MS_CNK 0x00000001
+
+/* Device status */
+#define INT_STATUS 0x24
+#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
+
+/* Interrupt enable - ???*/
+#define INT_STATUS_ENABLE 0x28
+
+/* Interrupt enable*/
+#define INT_SIGNAL_ENABLE 0x2c
+
+/* Current timer value */
+#define TIMER 0x30
+
+/* Enable/disable the timer */
+#define TIMER_CONTROL 0x34
+
+/* Output pad enable */
+#define PAD_OUTPUT_ENABLE 0x38
+#define PAD_OUTPUT_ENABLE_MS 0x0F3F
+
+/* Ouput pad pull-up, pull-down control */
+#define PAD_PU_PD 0x3c
+#define PAD_PU_PD_OFF 0x7fff0000
+#define PAD_PU_PD_ON_MS_SOCK0 0x5f8f0000
+#define PAD_PU_PD_ON_MS_SOCK1 0x0f0f0000
+
+/* Internal clock delay */
+#define CLOCK_DELAY 0x40
+
+/* ??? */
+#define ADMA_ADDRESS 0x44
+
+/* Set the device clock */
+#define CLOCK_CONTROL 0x48
+#define CLOCK_CONTROL_RESET 0x00000008
+#define CLOCK_CONTROL_40MHZ 0x00000009
+#define CLOCK_CONTROL_50MHZ 0x0000000a
+#define CLOCK_CONTROL_62_5MHZ 0x0000000c
+#define CLOCK_CONTROL_OFF 0x00000000
+
+/* Led blink period */
+#define LED_CONTROL 0x4c
+
+/* Hardware version */
+#define VERSION 0x50
+
+#define PCI_CTL_CLOCK_DLY_ADDR 0x000000b0
+#define PCI_CTL_CLOCK_DLY_MASK_A 0x00000f00
+#define PCI_CTL_CLOCK_DLY_MASK_B 0x0000f000
+
+struct jmb38x_ms_host {
+ struct jmb38x_ms *chip;
+ void __iomem *addr;
+ spinlock_t lock;
+ struct tasklet_struct notify;
+ int id;
+ char host_id[32];
+ int irq;
+ unsigned int block_pos;
+ unsigned long timeout_jiffies;
+ struct timer_list timer;
+ struct memstick_request *req;
+ 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[];
+};
+
+enum {
+ CMD_READY = 0x01,
+ FIFO_READY = 0x02,
+ REG_DATA = 0x04,
+ DMA_DATA = 0x08
+};
+
+
+#define __dbg(host, level, format, ...) \
+ do { \
+ if (debug >= level) \
+ printk(KERN_DEBUG \
+ "%s: " format "\n", dev_name(&host->msh->dev) \
+ , ## __VA_ARGS__); \
+ else \
+ dev_dbg(&host->msh->dev, format, ## __VA_ARGS__); \
+ } while (0)
+
+#define dbg(host, format, ...) __dbg(host, 1, format, ## __VA_ARGS__)
+#define dbg_v(host, format, ...) __dbg(host, 2, format, ## __VA_ARGS__)
+#define dbg_reg(host, format, ...) __dbg(host, 3, format, ## __VA_ARGS__)
--
1.7.1
--
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