2014-10-06 05:09:58

by Avinash Patil

[permalink] [raw]
Subject: [PATCH 1/2] mwifiex: few more register offset entries for sdio card structure

This patch adds some more defitions to card specific register structure
and removes static defines for these registers.

Signed-off-by: Avinash Patil <[email protected]>
Signed-off-by: Cathy Luo <[email protected]>
---
drivers/net/wireless/mwifiex/sdio.c | 39 +++++++++++++-----------
drivers/net/wireless/mwifiex/sdio.h | 59 ++++++++++++++++++++++++-------------
2 files changed, 59 insertions(+), 39 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index db9e4e3..a22e9a9 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -448,28 +448,31 @@ static int mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter)
static int mwifiex_init_sdio_new_mode(struct mwifiex_adapter *adapter)
{
u8 reg;
+ struct sdio_mmc_card *card = adapter->card;

adapter->ioport = MEM_PORT;

/* enable sdio new mode */
- if (mwifiex_read_reg(adapter, CARD_CONFIG_2_1_REG, &reg))
+ if (mwifiex_read_reg(adapter, card->reg->card_cfg_2_1_reg, &reg))
return -1;
- if (mwifiex_write_reg(adapter, CARD_CONFIG_2_1_REG,
+ if (mwifiex_write_reg(adapter, card->reg->card_cfg_2_1_reg,
reg | CMD53_NEW_MODE))
return -1;

/* Configure cmd port and enable reading rx length from the register */
- if (mwifiex_read_reg(adapter, CMD_CONFIG_0, &reg))
+ if (mwifiex_read_reg(adapter, card->reg->cmd_cfg_0, &reg))
return -1;
- if (mwifiex_write_reg(adapter, CMD_CONFIG_0, reg | CMD_PORT_RD_LEN_EN))
+ if (mwifiex_write_reg(adapter, card->reg->cmd_cfg_0,
+ reg | CMD_PORT_RD_LEN_EN))
return -1;

/* Enable Dnld/Upld ready auto reset for cmd port after cmd53 is
* completed
*/
- if (mwifiex_read_reg(adapter, CMD_CONFIG_1, &reg))
+ if (mwifiex_read_reg(adapter, card->reg->cmd_cfg_1, &reg))
return -1;
- if (mwifiex_write_reg(adapter, CMD_CONFIG_1, reg | CMD_PORT_AUTO_EN))
+ if (mwifiex_write_reg(adapter, card->reg->cmd_cfg_1,
+ reg | CMD_PORT_AUTO_EN))
return -1;

return 0;
@@ -496,17 +499,17 @@ static int mwifiex_init_sdio_ioport(struct mwifiex_adapter *adapter)
}

/* Read the IO port */
- if (!mwifiex_read_reg(adapter, IO_PORT_0_REG, &reg))
+ if (!mwifiex_read_reg(adapter, card->reg->io_port_0_reg, &reg))
adapter->ioport |= (reg & 0xff);
else
return -1;

- if (!mwifiex_read_reg(adapter, IO_PORT_1_REG, &reg))
+ if (!mwifiex_read_reg(adapter, card->reg->io_port_1_reg, &reg))
adapter->ioport |= ((reg & 0xff) << 8);
else
return -1;

- if (!mwifiex_read_reg(adapter, IO_PORT_2_REG, &reg))
+ if (!mwifiex_read_reg(adapter, card->reg->io_port_2_reg, &reg))
adapter->ioport |= ((reg & 0xff) << 16);
else
return -1;
@@ -514,8 +517,8 @@ cont:
pr_debug("info: SDIO FUNC1 IO port: %#x\n", adapter->ioport);

/* Set Host interrupt reset to read to clear */
- if (!mwifiex_read_reg(adapter, HOST_INT_RSR_REG, &reg))
- mwifiex_write_reg(adapter, HOST_INT_RSR_REG,
+ if (!mwifiex_read_reg(adapter, card->reg->host_int_rsr_reg, &reg))
+ mwifiex_write_reg(adapter, card->reg->host_int_rsr_reg,
reg | card->reg->sdio_int_mask);
else
return -1;
@@ -708,7 +711,7 @@ static void mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter)
struct sdio_func *func = card->func;

sdio_claim_host(func);
- mwifiex_write_reg_locked(func, HOST_INT_MASK_REG, 0);
+ mwifiex_write_reg_locked(func, card->reg->host_int_mask_reg, 0);
sdio_release_irq(func);
sdio_release_host(func);
}
@@ -729,7 +732,7 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
return;
}

- sdio_ireg = card->mp_regs[HOST_INTSTATUS_REG];
+ sdio_ireg = card->mp_regs[card->reg->host_int_status_reg];
if (sdio_ireg) {
/*
* DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS
@@ -794,7 +797,7 @@ static int mwifiex_sdio_enable_host_int(struct mwifiex_adapter *adapter)
}

/* Simply write the mask to the register */
- ret = mwifiex_write_reg_locked(func, HOST_INT_MASK_REG,
+ ret = mwifiex_write_reg_locked(func, card->reg->host_int_mask_reg,
card->reg->host_int_enable);
if (ret) {
dev_err(adapter->dev, "enable host interrupt failed\n");
@@ -1334,8 +1337,8 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
u32 pkt_type;

/* read the len of control packet */
- rx_len = card->mp_regs[CMD_RD_LEN_1] << 8;
- rx_len |= (u16) card->mp_regs[CMD_RD_LEN_0];
+ rx_len = card->mp_regs[reg->cmd_rd_len_1] << 8;
+ rx_len |= (u16)card->mp_regs[reg->cmd_rd_len_0];
rx_blocks = DIV_ROUND_UP(rx_len, MWIFIEX_SDIO_BLOCK_SIZE);
if (rx_len <= INTF_HEADER_LEN ||
(rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) >
@@ -1823,11 +1826,11 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
sdio_set_drvdata(card->func, card);

/*
- * Read the HOST_INT_STATUS_REG for ACK the first interrupt got
+ * Read the host_int_status_reg for ACK the first interrupt got
* from the bootloader. If we don't do this we get a interrupt
* as soon as we register the irq.
*/
- mwifiex_read_reg(adapter, HOST_INTSTATUS_REG, &sdio_ireg);
+ mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg);

/* Get SDIO ioport */
mwifiex_init_sdio_ioport(adapter);
diff --git a/drivers/net/wireless/mwifiex/sdio.h b/drivers/net/wireless/mwifiex/sdio.h
index 6b8835e..5a08ebc 100644
--- a/drivers/net/wireless/mwifiex/sdio.h
+++ b/drivers/net/wireless/mwifiex/sdio.h
@@ -52,13 +52,9 @@
#define HOST_TERM_CMD53 (0x1U << 2)
#define REG_PORT 0
#define MEM_PORT 0x10000
-#define CMD_RD_LEN_0 0xB4
-#define CMD_RD_LEN_1 0xB5
-#define CARD_CONFIG_2_1_REG 0xCD
+
#define CMD53_NEW_MODE (0x1U << 0)
-#define CMD_CONFIG_0 0xB8
#define CMD_PORT_RD_LEN_EN (0x1U << 2)
-#define CMD_CONFIG_1 0xB9
#define CMD_PORT_AUTO_EN (0x1U << 0)
#define CMD_PORT_SLCT 0x8000
#define UP_LD_CMD_PORT_HOST_INT_STATUS (0x40U)
@@ -70,38 +66,23 @@
/* Misc. Config Register : Auto Re-enable interrupts */
#define AUTO_RE_ENABLE_INT BIT(4)

-/* Host Control Registers */
-/* Host Control Registers : I/O port 0 */
-#define IO_PORT_0_REG 0x78
-/* Host Control Registers : I/O port 1 */
-#define IO_PORT_1_REG 0x79
-/* Host Control Registers : I/O port 2 */
-#define IO_PORT_2_REG 0x7A
-
/* Host Control Registers : Configuration */
#define CONFIGURATION_REG 0x00
/* Host Control Registers : Host power up */
#define HOST_POWER_UP (0x1U << 1)

-/* Host Control Registers : Host interrupt mask */
-#define HOST_INT_MASK_REG 0x02
/* Host Control Registers : Upload host interrupt mask */
#define UP_LD_HOST_INT_MASK (0x1U)
/* Host Control Registers : Download host interrupt mask */
#define DN_LD_HOST_INT_MASK (0x2U)

-/* Host Control Registers : Host interrupt status */
-#define HOST_INTSTATUS_REG 0x03
/* Host Control Registers : Upload host interrupt status */
#define UP_LD_HOST_INT_STATUS (0x1U)
/* Host Control Registers : Download host interrupt status */
#define DN_LD_HOST_INT_STATUS (0x2U)

-/* Host Control Registers : Host interrupt RSR */
-#define HOST_INT_RSR_REG 0x01
-
/* Host Control Registers : Host interrupt status */
-#define HOST_INT_STATUS_REG 0x28
+#define CARD_INT_STATUS_REG 0x28

/* Card Control Registers : Card I/O ready */
#define CARD_IO_READY (0x1U << 3)
@@ -203,10 +184,16 @@ struct mwifiex_sdio_card_reg {
u8 base_1_reg;
u8 poll_reg;
u8 host_int_enable;
+ u8 host_int_rsr_reg;
+ u8 host_int_status_reg;
+ u8 host_int_mask_reg;
u8 status_reg_0;
u8 status_reg_1;
u8 sdio_int_mask;
u32 data_port_mask;
+ u8 io_port_0_reg;
+ u8 io_port_1_reg;
+ u8 io_port_2_reg;
u8 max_mp_regs;
u8 rd_bitmap_l;
u8 rd_bitmap_u;
@@ -219,6 +206,15 @@ struct mwifiex_sdio_card_reg {
u8 rd_len_p0_l;
u8 rd_len_p0_u;
u8 card_misc_cfg_reg;
+ u8 card_cfg_2_1_reg;
+ u8 cmd_rd_len_0;
+ u8 cmd_rd_len_1;
+ u8 cmd_rd_len_2;
+ u8 cmd_rd_len_3;
+ u8 cmd_cfg_0;
+ u8 cmd_cfg_1;
+ u8 cmd_cfg_2;
+ u8 cmd_cfg_3;
u8 fw_dump_ctrl;
u8 fw_dump_start;
u8 fw_dump_end;
@@ -274,10 +270,16 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd87xx = {
.base_1_reg = 0x0041,
.poll_reg = 0x30,
.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK,
+ .host_int_rsr_reg = 0x1,
+ .host_int_mask_reg = 0x02,
+ .host_int_status_reg = 0x03,
.status_reg_0 = 0x60,
.status_reg_1 = 0x61,
.sdio_int_mask = 0x3f,
.data_port_mask = 0x0000fffe,
+ .io_port_0_reg = 0x78,
+ .io_port_1_reg = 0x79,
+ .io_port_2_reg = 0x7A,
.max_mp_regs = 64,
.rd_bitmap_l = 0x04,
.rd_bitmap_u = 0x05,
@@ -296,10 +298,16 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8897 = {
.poll_reg = 0x50,
.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
+ .host_int_rsr_reg = 0x1,
+ .host_int_status_reg = 0x03,
+ .host_int_mask_reg = 0x02,
.status_reg_0 = 0xc0,
.status_reg_1 = 0xc1,
.sdio_int_mask = 0xff,
.data_port_mask = 0xffffffff,
+ .io_port_0_reg = 0xD8,
+ .io_port_1_reg = 0xD9,
+ .io_port_2_reg = 0xDA,
.max_mp_regs = 184,
.rd_bitmap_l = 0x04,
.rd_bitmap_u = 0x05,
@@ -312,6 +320,15 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8897 = {
.rd_len_p0_l = 0x0c,
.rd_len_p0_u = 0x0d,
.card_misc_cfg_reg = 0xcc,
+ .card_cfg_2_1_reg = 0xcd,
+ .cmd_rd_len_0 = 0xb4,
+ .cmd_rd_len_1 = 0xb5,
+ .cmd_rd_len_2 = 0xb6,
+ .cmd_rd_len_3 = 0xb7,
+ .cmd_cfg_0 = 0xb8,
+ .cmd_cfg_1 = 0xb9,
+ .cmd_cfg_2 = 0xba,
+ .cmd_cfg_3 = 0xbb,
.fw_dump_ctrl = 0xe2,
.fw_dump_start = 0xe3,
.fw_dump_end = 0xea,
--
1.8.1.4