sh: prepare MMCIF driver header file

Update the MMCIF driver to include register information
and register access functions in the header file.
The MMCIF boot code builds on top of this.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 50 insertions, 75 deletions

diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index eb97830c0344..5d3f824bb5a3 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -30,25 +30,6 @@
 #define DRIVER_NAME     "sh_mmcif"
 #define DRIVER_VERSION  "2010-04-28"
 
-#define MMCIF_CE_CMD_SET        0x00000000
-#define MMCIF_CE_ARG            0x00000008
-#define MMCIF_CE_ARG_CMD12      0x0000000C
-#define MMCIF_CE_CMD_CTRL       0x00000010
-#define MMCIF_CE_BLOCK_SET      0x00000014
-#define MMCIF_CE_CLK_CTRL       0x00000018
-#define MMCIF_CE_BUF_ACC        0x0000001C
-#define MMCIF_CE_RESP3          0x00000020
-#define MMCIF_CE_RESP2          0x00000024
-#define MMCIF_CE_RESP1          0x00000028
-#define MMCIF_CE_RESP0          0x0000002C
-#define MMCIF_CE_RESP_CMD12     0x00000030
-#define MMCIF_CE_DATA           0x00000034
-#define MMCIF_CE_INT            0x00000040
-#define MMCIF_CE_INT_MASK       0x00000044
-#define MMCIF_CE_HOST_STS1      0x00000048
-#define MMCIF_CE_HOST_STS2      0x0000004C
-#define MMCIF_CE_VERSION        0x0000007C
-
 /* CE_CMD_SET */
 #define CMD_MASK                0x3f000000
 #define CMD_SET_RTYP_NO         ((0 << 23) | (0 << 22))
@@ -207,27 +188,17 @@ struct sh_mmcif_host {
         wait_queue_head_t intr_wait;
 };
 
-static inline u32 sh_mmcif_readl(struct sh_mmcif_host *host, unsigned int reg)
-{
-        return readl(host->addr + reg);
-}
-
-static inline void sh_mmcif_writel(struct sh_mmcif_host *host,
-                                        unsigned int reg, u32 val)
-{
-        writel(val, host->addr + reg);
-}
 
 static inline void sh_mmcif_bitset(struct sh_mmcif_host *host,
                                         unsigned int reg, u32 val)
 {
-        writel(val | sh_mmcif_readl(host, reg), host->addr + reg);
+        writel(val | readl(host->addr + reg), host->addr + reg);
 }
 
 static inline void sh_mmcif_bitclr(struct sh_mmcif_host *host,
                                         unsigned int reg, u32 val)
 {
-        writel(~val & sh_mmcif_readl(host, reg), host->addr + reg);
+        writel(~val & readl(host->addr + reg), host->addr + reg);
 }
 
 
@@ -253,10 +224,10 @@ static void sh_mmcif_sync_reset(struct sh_mmcif_host *host)
 {
         u32 tmp;
 
-        tmp = 0x010f0000 & sh_mmcif_readl(host, MMCIF_CE_CLK_CTRL);
+        tmp = 0x010f0000 & sh_mmcif_readl(host->addr, MMCIF_CE_CLK_CTRL);
 
-        sh_mmcif_writel(host, MMCIF_CE_VERSION, SOFT_RST_ON);
-        sh_mmcif_writel(host, MMCIF_CE_VERSION, SOFT_RST_OFF);
+        sh_mmcif_writel(host->addr, MMCIF_CE_VERSION, SOFT_RST_ON);
+        sh_mmcif_writel(host->addr, MMCIF_CE_VERSION, SOFT_RST_OFF);
         sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, tmp |
                 SRSPTO_256 | SRBSYTO_29 | SRWDTO_29 | SCCSTO_29);
         /* byte swap on */
@@ -271,12 +242,10 @@ static int sh_mmcif_error_manage(struct sh_mmcif_host *host)
         host->sd_error = 0;
         host->wait_int = 0;
 
-        state1 = sh_mmcif_readl(host, MMCIF_CE_HOST_STS1);
-        state2 = sh_mmcif_readl(host, MMCIF_CE_HOST_STS2);
-        pr_debug("%s: ERR HOST_STS1 = %08x\n", \
-                        DRIVER_NAME, sh_mmcif_readl(host, MMCIF_CE_HOST_STS1));
-        pr_debug("%s: ERR HOST_STS2 = %08x\n", \
-                        DRIVER_NAME, sh_mmcif_readl(host, MMCIF_CE_HOST_STS2));
+        state1 = sh_mmcif_readl(host->addr, MMCIF_CE_HOST_STS1);
+        state2 = sh_mmcif_readl(host->addr, MMCIF_CE_HOST_STS2);
+        pr_debug("%s: ERR HOST_STS1 = %08x\n", DRIVER_NAME, state1);
+        pr_debug("%s: ERR HOST_STS2 = %08x\n", DRIVER_NAME, state2);
 
         if (state1 & STS1_CMDSEQ) {
                 sh_mmcif_bitset(host, MMCIF_CE_CMD_CTRL, CMD_CTRL_BREAK);
@@ -288,7 +257,7 @@ static int sh_mmcif_error_manage(struct sh_mmcif_host *host)
                                         "command sequence timeout err\n");
                                 return -EIO;
                         }
-                        if (!(sh_mmcif_readl(host, MMCIF_CE_HOST_STS1)
+                        if (!(sh_mmcif_readl(host->addr, MMCIF_CE_HOST_STS1)
                                                                 & STS1_CMDSEQ))
                                 break;
                         mdelay(1);
@@ -330,9 +299,9 @@ static int sh_mmcif_single_read(struct sh_mmcif_host *host,
 
         host->wait_int = 0;
         blocksize = (BLOCK_SIZE_MASK &
-                        sh_mmcif_readl(host, MMCIF_CE_BLOCK_SET)) + 3;
+                        sh_mmcif_readl(host->addr, MMCIF_CE_BLOCK_SET)) + 3;
         for (i = 0; i < blocksize / 4; i++)
-                *p++ = sh_mmcif_readl(host, MMCIF_CE_DATA);
+                *p++ = sh_mmcif_readl(host->addr, MMCIF_CE_DATA);
 
         /* buffer read end */
         sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MBUFRE);
@@ -353,7 +322,8 @@ static int sh_mmcif_multi_read(struct sh_mmcif_host *host,
         long time;
         u32 blocksize, i, j, sec, *p;
 
-        blocksize = BLOCK_SIZE_MASK & sh_mmcif_readl(host, MMCIF_CE_BLOCK_SET);
+        blocksize = BLOCK_SIZE_MASK & sh_mmcif_readl(host->addr,
+                                                     MMCIF_CE_BLOCK_SET);
         for (j = 0; j < data->sg_len; j++) {
                 p = sg_virt(data->sg);
                 host->wait_int = 0;
@@ -370,7 +340,8 @@ static int sh_mmcif_multi_read(struct sh_mmcif_host *host,
 
                         host->wait_int = 0;
                         for (i = 0; i < blocksize / 4; i++)
-                                *p++ = sh_mmcif_readl(host, MMCIF_CE_DATA);
+                                *p++ = sh_mmcif_readl(host->addr,
+                                                      MMCIF_CE_DATA);
                 }
                 if (j < data->sg_len - 1)
                         data->sg++;
@@ -397,9 +368,9 @@ static int sh_mmcif_single_write(struct sh_mmcif_host *host,
 
         host->wait_int = 0;
         blocksize = (BLOCK_SIZE_MASK &
-                        sh_mmcif_readl(host, MMCIF_CE_BLOCK_SET)) + 3;
+                        sh_mmcif_readl(host->addr, MMCIF_CE_BLOCK_SET)) + 3;
         for (i = 0; i < blocksize / 4; i++)
-                sh_mmcif_writel(host, MMCIF_CE_DATA, *p++);
+                sh_mmcif_writel(host->addr, MMCIF_CE_DATA, *p++);
 
         /* buffer write end */
         sh_mmcif_bitset(host, MMCIF_CE_INT_MASK, MASK_MDTRANE);
@@ -421,7 +392,8 @@ static int sh_mmcif_multi_write(struct sh_mmcif_host *host,
         long time;
         u32 i, sec, j, blocksize, *p;
 
-        blocksize = BLOCK_SIZE_MASK & sh_mmcif_readl(host, MMCIF_CE_BLOCK_SET);
+        blocksize = BLOCK_SIZE_MASK & sh_mmcif_readl(host->addr,
+                                                     MMCIF_CE_BLOCK_SET);
 
         for (j = 0; j < data->sg_len; j++) {
                 p = sg_virt(data->sg);
@@ -439,7 +411,8 @@ static int sh_mmcif_multi_write(struct sh_mmcif_host *host,
 
                         host->wait_int = 0;
                         for (i = 0; i < blocksize / 4; i++)
-                                sh_mmcif_writel(host, MMCIF_CE_DATA, *p++);
+                                sh_mmcif_writel(host->addr,
+                                                MMCIF_CE_DATA, *p++);
                 }
                 if (j < data->sg_len - 1)
                         data->sg++;
@@ -451,18 +424,18 @@ static void sh_mmcif_get_response(struct sh_mmcif_host *host,
                                                 struct mmc_command *cmd)
 {
         if (cmd->flags & MMC_RSP_136) {
-                cmd->resp[0] = sh_mmcif_readl(host, MMCIF_CE_RESP3);
-                cmd->resp[1] = sh_mmcif_readl(host, MMCIF_CE_RESP2);
-                cmd->resp[2] = sh_mmcif_readl(host, MMCIF_CE_RESP1);
-                cmd->resp[3] = sh_mmcif_readl(host, MMCIF_CE_RESP0);
+                cmd->resp[0] = sh_mmcif_readl(host->addr, MMCIF_CE_RESP3);
+                cmd->resp[1] = sh_mmcif_readl(host->addr, MMCIF_CE_RESP2);
+                cmd->resp[2] = sh_mmcif_readl(host->addr, MMCIF_CE_RESP1);
+                cmd->resp[3] = sh_mmcif_readl(host->addr, MMCIF_CE_RESP0);
         } else
-                cmd->resp[0] = sh_mmcif_readl(host, MMCIF_CE_RESP0);
+                cmd->resp[0] = sh_mmcif_readl(host->addr, MMCIF_CE_RESP0);
 }
 
 static void sh_mmcif_get_cmd12response(struct sh_mmcif_host *host,
                                                 struct mmc_command *cmd)
 {
-        cmd->resp[0] = sh_mmcif_readl(host, MMCIF_CE_RESP_CMD12);
+        cmd->resp[0] = sh_mmcif_readl(host->addr, MMCIF_CE_RESP_CMD12);
 }
 
 static u32 sh_mmcif_set_cmd(struct sh_mmcif_host *host,
@@ -596,18 +569,19 @@ static void sh_mmcif_start_cmd(struct sh_mmcif_host *host,
                 MASK_MRDATTO | MASK_MRBSYTO | MASK_MRSPTO;
 
         if (host->data) {
-                sh_mmcif_writel(host, MMCIF_CE_BLOCK_SET, 0);
-                sh_mmcif_writel(host, MMCIF_CE_BLOCK_SET, mrq->data->blksz);
+                sh_mmcif_writel(host->addr, MMCIF_CE_BLOCK_SET, 0);
+                sh_mmcif_writel(host->addr, MMCIF_CE_BLOCK_SET,
+                                mrq->data->blksz);
         }
         opc = sh_mmcif_set_cmd(host, mrq, cmd, opc);
 
-        sh_mmcif_writel(host, MMCIF_CE_INT, 0xD80430C0);
-        sh_mmcif_writel(host, MMCIF_CE_INT_MASK, mask);
+        sh_mmcif_writel(host->addr, MMCIF_CE_INT, 0xD80430C0);
+        sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, mask);
         /* set arg */
-        sh_mmcif_writel(host, MMCIF_CE_ARG, cmd->arg);
+        sh_mmcif_writel(host->addr, MMCIF_CE_ARG, cmd->arg);
         host->wait_int = 0;
         /* set cmd */
-        sh_mmcif_writel(host, MMCIF_CE_CMD_SET, opc);
+        sh_mmcif_writel(host->addr, MMCIF_CE_CMD_SET, opc);
 
         time = wait_event_interruptible_timeout(host->intr_wait,
                 host->wait_int == 1 || host->sd_error == 1, host->timeout);
@@ -752,43 +726,44 @@ static irqreturn_t sh_mmcif_intr(int irq, void *dev_id)
         u32 state = 0;
         int err = 0;
 
-        state = sh_mmcif_readl(host, MMCIF_CE_INT);
+        state = sh_mmcif_readl(host->addr, MMCIF_CE_INT);
 
         if (state & INT_RBSYE) {
-                sh_mmcif_writel(host, MMCIF_CE_INT, ~(INT_RBSYE | INT_CRSPE));
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT,
+                                ~(INT_RBSYE | INT_CRSPE));
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MRBSYE);
         } else if (state & INT_CRSPE) {
-                sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_CRSPE);
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~INT_CRSPE);
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MCRSPE);
         } else if (state & INT_BUFREN) {
-                sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_BUFREN);
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~INT_BUFREN);
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MBUFREN);
         } else if (state & INT_BUFWEN) {
-                sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_BUFWEN);
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~INT_BUFWEN);
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MBUFWEN);
         } else if (state & INT_CMD12DRE) {
-                sh_mmcif_writel(host, MMCIF_CE_INT,
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT,
                         ~(INT_CMD12DRE | INT_CMD12RBE |
                           INT_CMD12CRE | INT_BUFRE));
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MCMD12DRE);
         } else if (state & INT_BUFRE) {
-                sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_BUFRE);
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~INT_BUFRE);
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MBUFRE);
         } else if (state & INT_DTRANE) {
-                sh_mmcif_writel(host, MMCIF_CE_INT, ~INT_DTRANE);
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~INT_DTRANE);
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MDTRANE);
         } else if (state & INT_CMD12RBE) {
-                sh_mmcif_writel(host, MMCIF_CE_INT,
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT,
                                 ~(INT_CMD12RBE | INT_CMD12CRE));
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MCMD12RBE);
         } else if (state & INT_ERR_STS) {
                 /* err interrupts */
-                sh_mmcif_writel(host, MMCIF_CE_INT, ~state);
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~state);
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, state);
                 err = 1;
         } else {
                 pr_debug("%s: Not support int\n", DRIVER_NAME);
-                sh_mmcif_writel(host, MMCIF_CE_INT, ~state);
+                sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~state);
                 sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, state);
                 err = 1;
         }
@@ -894,12 +869,12 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev)
                 goto clean_up2;
         }
 
-        sh_mmcif_writel(host, MMCIF_CE_INT_MASK, MASK_ALL);
+        sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);
         sh_mmcif_detect(host->mmc);
 
         pr_info("%s: driver version %s\n", DRIVER_NAME, DRIVER_VERSION);
         pr_debug("%s: chip ver H'%04x\n", DRIVER_NAME,
-                        sh_mmcif_readl(host, MMCIF_CE_VERSION) & 0x0000ffff);
+                sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0x0000ffff);
         return ret;
 
 clean_up2:
@@ -917,7 +892,7 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev)
         struct sh_mmcif_host *host = platform_get_drvdata(pdev);
         int irq[2];
 
-        sh_mmcif_writel(host, MMCIF_CE_INT_MASK, MASK_ALL);
+        sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);
 
         irq[0] = platform_get_irq(pdev, 0);
         irq[1] = platform_get_irq(pdev, 1);