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Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/0027-glamo-mmc.patch.patch')
-rwxr-xr-xtarget/linux/s3c24xx/patches-2.6.26/0027-glamo-mmc.patch.patch1188
1 files changed, 1188 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/0027-glamo-mmc.patch.patch b/target/linux/s3c24xx/patches-2.6.26/0027-glamo-mmc.patch.patch
new file mode 100755
index 0000000000..0eefdb7d66
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.26/0027-glamo-mmc.patch.patch
@@ -0,0 +1,1188 @@
+From 448ffab41f86596340e9f34dc8141bf2ca857e4e Mon Sep 17 00:00:00 2001
+From: mokopatches <mokopatches@openmoko.org>
+Date: Wed, 16 Jul 2008 14:44:51 +0100
+Subject: [PATCH] glamo-mmc.patch
+
+---
+ drivers/mfd/glamo/Kconfig | 9 +
+ drivers/mfd/glamo/Makefile | 1 +
+ drivers/mfd/glamo/glamo-core.c | 17 +-
+ drivers/mfd/glamo/glamo-mci.c | 837 ++++++++++++++++++++++++++++++++++++++++
+ drivers/mfd/glamo/glamo-mci.h | 76 ++++
+ drivers/mfd/glamo/glamo-regs.h | 169 ++++++++-
+ 6 files changed, 1099 insertions(+), 10 deletions(-)
+ create mode 100644 drivers/mfd/glamo/glamo-mci.c
+ create mode 100644 drivers/mfd/glamo/glamo-mci.h
+
+diff --git a/drivers/mfd/glamo/Kconfig b/drivers/mfd/glamo/Kconfig
+index b99f2b2..ec2ae3d 100644
+--- a/drivers/mfd/glamo/Kconfig
++++ b/drivers/mfd/glamo/Kconfig
+@@ -33,3 +33,12 @@ config MFD_GLAMO_SPI_FB
+ control channel. This SPI interface is frequently used to
+ interconnect the LCM control interface.
+
++config MFD_GLAMO_MCI
++ tristate "Glamo S3C SD/MMC Card Interface support"
++ depends on MFD_GLAMO && MMC
++ help
++ This selects a driver for the MCI interface found in
++ the S-Media GLAMO chip, as used in OpenMoko
++ neo1973 GTA-02.
++
++ If unsure, say N.
+\ No newline at end of file
+diff --git a/drivers/mfd/glamo/Makefile b/drivers/mfd/glamo/Makefile
+index fb53982..dc64d50 100644
+--- a/drivers/mfd/glamo/Makefile
++++ b/drivers/mfd/glamo/Makefile
+@@ -8,4 +8,5 @@ obj-$(CONFIG_MFD_GLAMO_SPI_GPIO) += glamo-spi-gpio.o
+
+ obj-$(CONFIG_MFD_GLAMO_FB) += glamo-fb.o
+ obj-$(CONFIG_MFD_GLAMO_SPI_FB) += glamo-lcm-spi.o
++obj-$(CONFIG_MFD_GLAMO_MCI) += glamo-mci.o
+
+diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c
+index acf545f..8497de2 100644
+--- a/drivers/mfd/glamo/glamo-core.c
++++ b/drivers/mfd/glamo/glamo-core.c
+@@ -440,7 +440,22 @@ int glamo_engine_disable(struct glamo_core *glamo, enum glamo_engine engine)
+ {
+ spin_lock(&glamo->lock);
+ switch (engine) {
+- /* FIXME: Implementation */
++ case GLAMO_ENGINE_MMC:
++ __reg_set_bit_mask(glamo, GLAMO_REG_CLOCK_MMC, 0,
++ GLAMO_CLOCK_MMC_EN_M9CLK |
++ GLAMO_CLOCK_MMC_EN_TCLK |
++ GLAMO_CLOCK_MMC_DG_M9CLK |
++ GLAMO_CLOCK_MMC_DG_TCLK);
++ __reg_set_bit_mask(glamo, GLAMO_REG_HOSTBUS(2), 0,
++ GLAMO_HOSTBUS2_MMIO_EN_MMC);
++ /* disable the TCLK divider clk input */
++ __reg_set_bit_mask(glamo, GLAMO_REG_CLOCK_GEN5_1, 0,
++ GLAMO_CLOCK_GEN51_EN_DIV_TCLK);
++ /* good idea to hold the thing in reset when we power it off? */
++/* writew(readw(glamo->base + GLAMO_REG_CLOCK_MMC) |
++ GLAMO_CLOCK_MMC_RESET, glamo->base + GLAMO_REG_CLOCK_MMC);
++*/
++ break;
+ default:
+ break;
+ }
+diff --git a/drivers/mfd/glamo/glamo-mci.c b/drivers/mfd/glamo/glamo-mci.c
+new file mode 100644
+index 0000000..f559e5e
+--- /dev/null
++++ b/drivers/mfd/glamo/glamo-mci.c
+@@ -0,0 +1,837 @@
++/*
++ * linux/drivers/mmc/host/glamo-mmc.c - Glamo MMC driver
++ *
++ * Copyright (C) 2007 OpenMoko, Inc, Andy Green <andy@openmoko.com>
++ * Based on S3C MMC driver that was:
++ * Copyright (C) 2004-2006 maintech GmbH, Thomas Kleffel <tk@maintech.de>
++ *
++ * 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/module.h>
++#include <linux/dma-mapping.h>
++#include <linux/clk.h>
++#include <linux/mmc/mmc.h>
++#include <linux/mmc/host.h>
++#include <linux/platform_device.h>
++#include <linux/irq.h>
++#include <linux/pcf50633.h>
++#include <linux/delay.h>
++#include <linux/interrupt.h>
++
++#include <asm/dma.h>
++#include <asm/dma-mapping.h>
++#include <asm/io.h>
++
++#include "glamo-mci.h"
++#include "glamo-core.h"
++#include "glamo-regs.h"
++
++/* from glamo-core.c */
++extern struct glamo_mci_pdata glamo_mci_def_pdata;
++
++
++#define DRIVER_NAME "glamo-mci"
++#define RESSIZE(ressource) (((ressource)->end - (ressource)->start) + 1)
++
++static void glamo_mci_send_request(struct mmc_host *mmc);
++
++unsigned char CRC7(u8 * pu8, int cnt)
++{
++ u8 crc = 0;
++
++ while (cnt--) {
++ int n;
++ u8 d = *pu8++;
++ for (n = 0; n < 8; n++) {
++ crc <<= 1;
++ if ((d & 0x80) ^ (crc & 0x80))
++ crc ^= 0x09;
++ d <<= 1;
++ }
++ }
++ return (crc << 1) | 1;
++}
++
++/* these _dly versions account for the dead time rules for reg access */
++static u16 readw_dly(u16 __iomem * pu16)
++{
++ glamo_reg_access_delay();
++ return readw(pu16);
++}
++
++static void writew_dly(u16 val, u16 __iomem * pu16)
++{
++ glamo_reg_access_delay();
++ writew(val, pu16);
++}
++
++static int get_data_buffer(struct glamo_mci_host *host,
++ volatile u32 *words, volatile u16 **pointer)
++{
++ struct scatterlist *sg;
++
++ *words = 0;
++ *pointer = NULL;
++
++ if (host->pio_active == XFER_NONE)
++ return -EINVAL;
++
++ if ((!host->mrq) || (!host->mrq->data))
++ return -EINVAL;
++
++ if (host->pio_sgptr >= host->mrq->data->sg_len) {
++ dev_dbg(&host->pdev->dev, "no more buffers (%i/%i)\n",
++ host->pio_sgptr, host->mrq->data->sg_len);
++ return -EBUSY;
++ }
++ sg = &host->mrq->data->sg[host->pio_sgptr];
++
++ *words = sg->length >> 1; /* we are working with a 16-bit data bus */
++ *pointer = page_address(sg_page(sg)) + sg->offset;
++
++ BUG_ON(((long)(*pointer)) & 1);
++
++ host->pio_sgptr++;
++
++ /* dev_info(&host->pdev->dev, "new buffer (%i/%i)\n",
++ host->pio_sgptr, host->mrq->data->sg_len); */
++ return 0;
++}
++
++static void do_pio_read(struct glamo_mci_host *host)
++{
++ int res;
++ u16 __iomem *from_ptr = host->base_data + (RESSIZE(host->mem_data) /
++ sizeof(u16) / 2);
++#ifdef DEBUG
++ u16 * block;
++#endif
++
++ while (1) {
++ res = get_data_buffer(host, &host->pio_words, &host->pio_ptr);
++ if (res) {
++ host->pio_active = XFER_NONE;
++ host->complete_what = COMPLETION_FINALIZE;
++
++ dev_dbg(&host->pdev->dev, "pio_read(): "
++ "complete (no more data).\n");
++ return;
++ }
++
++ dev_dbg(&host->pdev->dev, "pio_read(): host->pio_words: %d\n",
++ host->pio_words);
++
++ host->pio_count += host->pio_words << 1;
++
++#ifdef DEBUG
++ block = (u16 *)host->pio_ptr;
++ res = host->pio_words << 1;
++#endif
++ while (host->pio_words--)
++ *host->pio_ptr++ = *from_ptr++;
++#ifdef DEBUG
++ print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 16, 1,
++ (void *)block, res, 1);
++#endif
++ }
++}
++
++static int do_pio_write(struct glamo_mci_host *host)
++{
++ int res = 0;
++ volatile u16 __iomem *to_ptr = host->base_data;
++ int err = 0;
++
++ dev_dbg(&host->pdev->dev, "pio_write():\n");
++ while (!res) {
++ res = get_data_buffer(host, &host->pio_words, &host->pio_ptr);
++ if (res)
++ continue;
++
++ dev_dbg(&host->pdev->dev, "pio_write():new source: [%i]@[%p]\n",
++ host->pio_words, host->pio_ptr);
++
++ host->pio_count += host->pio_words << 1;
++ while (host->pio_words--)
++ writew(*host->pio_ptr++, to_ptr++);
++ }
++
++ dev_dbg(&host->pdev->dev, "pio_write(): complete\n");
++ host->pio_active = XFER_NONE;
++ return err;
++}
++
++static void glamo_mci_irq(unsigned int irq, struct irq_desc *desc)
++{
++ struct glamo_mci_host *host = (struct glamo_mci_host *)
++ desc->handler_data;
++ u16 status;
++ struct mmc_command *cmd;
++ unsigned long iflags;
++
++ if (!host)
++ return;
++ if (!host->mrq)
++ return;
++ cmd = host->mrq->cmd;
++ if (!cmd)
++ return;
++
++ spin_lock_irqsave(&host->complete_lock, iflags);
++
++ status = readw_dly(host->base + GLAMO_REG_MMC_RB_STAT1);
++
++ /* ack this interrupt source */
++ writew(GLAMO_IRQ_MMC,
++ glamo_mci_def_pdata.pglamo->base + GLAMO_REG_IRQ_CLEAR);
++
++ if (status & (GLAMO_STAT1_MMC_RTOUT |
++ GLAMO_STAT1_MMC_DTOUT))
++ cmd->error = -ETIMEDOUT;
++ if (status & (GLAMO_STAT1_MMC_BWERR |
++ GLAMO_STAT1_MMC_BRERR))
++ cmd->error = -EILSEQ;
++ if (cmd->error) {
++ dev_err(&host->pdev->dev, "Error after cmd: 0x%x\n", status);
++ goto done;
++ }
++
++ if (host->pio_active == XFER_READ)
++ do_pio_read(host);
++
++ host->mrq->data->bytes_xfered = host->pio_count;
++ dev_dbg(&host->pdev->dev, "status = 0x%04x count=%d\n",
++ status, host->pio_count);
++
++ /* issue STOP if we have been given one to use */
++ if (host->mrq->stop) {
++ host->cmd_is_stop = 1;
++ glamo_mci_send_request(host->mmc);
++ host->cmd_is_stop = 0;
++ }
++done:
++ host->complete_what = COMPLETION_NONE;
++ host->mrq = NULL;
++ mmc_request_done(host->mmc, cmd->mrq);
++ spin_unlock_irqrestore(&host->complete_lock, iflags);
++}
++
++static int glamo_mci_send_command(struct glamo_mci_host *host,
++ struct mmc_command *cmd)
++{
++ u8 u8a[6];
++ u16 fire = 0;
++
++ /* if we can't do it, reject as busy */
++ if (!readw_dly(host->base + GLAMO_REG_MMC_RB_STAT1) &
++ GLAMO_STAT1_MMC_IDLE) {
++ host->mrq = NULL;
++ cmd->error = -EBUSY;
++ mmc_request_done(host->mmc, host->mrq);
++ return -EBUSY;
++ }
++
++ /* create an array in wire order for CRC computation */
++ u8a[0] = 0x40 | (cmd->opcode & 0x3f);
++ u8a[1] = (u8)(cmd->arg >> 24);
++ u8a[2] = (u8)(cmd->arg >> 16);
++ u8a[3] = (u8)(cmd->arg >> 8);
++ u8a[4] = (u8)cmd->arg;
++ u8a[5] = CRC7(&u8a[0], 5); /* CRC7 on first 5 bytes of packet */
++
++ /* issue the wire-order array including CRC in register order */
++ writew_dly((u8a[4] << 8) | u8a[5], host->base + GLAMO_REG_MMC_CMD_REG1);
++ writew_dly((u8a[2] << 8) | u8a[3], host->base + GLAMO_REG_MMC_CMD_REG2);
++ writew_dly((u8a[0] << 8) | u8a[1], host->base + GLAMO_REG_MMC_CMD_REG3);
++
++ /* command index toggle */
++ fire |= (host->ccnt & 1) << 12;
++
++ /* set type of command */
++ switch (mmc_cmd_type(cmd)) {
++ case MMC_CMD_BC:
++ fire |= GLAMO_FIRE_MMC_CMDT_BNR;
++ break;
++ case MMC_CMD_BCR:
++ fire |= GLAMO_FIRE_MMC_CMDT_BR;
++ break;
++ case MMC_CMD_AC:
++ fire |= GLAMO_FIRE_MMC_CMDT_AND;
++ break;
++ case MMC_CMD_ADTC:
++ fire |= GLAMO_FIRE_MMC_CMDT_AD;
++ break;
++ }
++ /*
++ * if it expects a response, set the type expected
++ *
++ * R1, Length : 48bit, Normal response
++ * R1b, Length : 48bit, same R1, but added card busy status
++ * R2, Length : 136bit (really 128 bits with CRC snipped)
++ * R3, Length : 48bit (OCR register value)
++ * R4, Length : 48bit, SDIO_OP_CONDITION, Reverse SDIO Card
++ * R5, Length : 48bit, IO_RW_DIRECTION, Reverse SDIO Card
++ * R6, Length : 48bit (RCA register)
++ * R7, Length : 48bit (interface condition, VHS(voltage supplied),
++ * check pattern, CRC7)
++ */
++ switch (mmc_resp_type(cmd)) {
++ case MMC_RSP_R6: /* same index as R7 and R1 */
++ fire |= GLAMO_FIRE_MMC_RSPT_R1;
++ break;
++ case MMC_RSP_R1B:
++ fire |= GLAMO_FIRE_MMC_RSPT_R1b;
++ break;
++ case MMC_RSP_R2:
++ fire |= GLAMO_FIRE_MMC_RSPT_R2;
++ break;
++ case MMC_RSP_R3:
++ fire |= GLAMO_FIRE_MMC_RSPT_R3;
++ break;
++ /* R4 and R5 supported by chip not defined in linux/mmc/core.h (sdio) */
++ }
++ /*
++ * From the command index, set up the command class in the host ctrllr
++ *
++ * missing guys present on chip but couldn't figure out how to use yet:
++ * 0x0 "stream read"
++ * 0x9 "cancel running command"
++ */
++ switch (cmd->opcode) {
++ case MMC_READ_SINGLE_BLOCK:
++ fire |= GLAMO_FIRE_MMC_CC_SBR; /* single block read */
++ break;
++ case MMC_SWITCH: /* 64 byte payload */
++ case 0x33: /* observed issued by MCI */
++ case MMC_READ_MULTIPLE_BLOCK:
++ /* we will get an interrupt off this */
++ if (!cmd->mrq->stop)
++ /* multiblock no stop */
++ fire |= GLAMO_FIRE_MMC_CC_MBRNS;
++ else
++ /* multiblock with stop */
++ fire |= GLAMO_FIRE_MMC_CC_MBRS;
++ break;
++ case MMC_WRITE_BLOCK:
++ fire |= GLAMO_FIRE_MMC_CC_SBW; /* single block write */
++ break;
++ case MMC_WRITE_MULTIPLE_BLOCK:
++ if (cmd->mrq->stop)
++ /* multiblock with stop */
++ fire |= GLAMO_FIRE_MMC_CC_MBWS;
++ else
++ /* multiblock NO stop-- 'RESERVED'? */
++ fire |= GLAMO_FIRE_MMC_CC_MBWNS;
++ break;
++ case MMC_STOP_TRANSMISSION:
++ fire |= GLAMO_FIRE_MMC_CC_STOP; /* STOP */
++ break;
++ default:
++ fire |= GLAMO_FIRE_MMC_CC_BASIC; /* "basic command" */
++ break;
++ }
++ /* enforce timeout */
++ if (cmd->data) {
++ if (cmd->data->timeout_clks)
++ writew_dly(cmd->data->timeout_clks >> 4, /* / 16 clks */
++ host->base + GLAMO_REG_MMC_TIMEOUT);
++ else
++ writew_dly(0xfff, host->base + GLAMO_REG_MMC_TIMEOUT);
++ } else
++ writew(0xfff, host->base + GLAMO_REG_MMC_TIMEOUT);
++
++ /* Generate interrupt on txfer; drive strength max */
++ writew_dly((readw_dly(host->base + GLAMO_REG_MMC_BASIC) & 0xfe) |
++ 0x0800 | GLAMO_BASIC_MMC_NO_CLK_RD_WAIT |
++ GLAMO_BASIC_MMC_EN_COMPL_INT |
++ GLAMO_BASIC_MMC_EN_DR_STR0 |
++ GLAMO_BASIC_MMC_EN_DR_STR1,
++ host->base + GLAMO_REG_MMC_BASIC);
++
++ /* send the command out on the wire */
++ /* dev_info(&host->pdev->dev, "Using FIRE %04X\n", fire); */
++ writew_dly(fire, host->base + GLAMO_REG_MMC_CMD_FIRE);
++ cmd->error = 0;
++ return 0;
++}
++
++static int glamo_mci_prepare_pio(struct glamo_mci_host *host,
++ struct mmc_data *data)
++{
++ /*
++ * the S-Media-internal RAM offset for our MMC buffer
++ * Read is halfway up the buffer and write is at the start
++ */
++ if (data->flags & MMC_DATA_READ) {
++ writew_dly((u16)(GLAMO_FB_SIZE + (RESSIZE(host->mem_data) / 2)),
++ host->base + GLAMO_REG_MMC_WDATADS1);
++ writew_dly((u16)((GLAMO_FB_SIZE +
++ (RESSIZE(host->mem_data) / 2)) >> 16),
++ host->base + GLAMO_REG_MMC_WDATADS2);
++ } else {
++ writew_dly((u16)GLAMO_FB_SIZE, host->base +
++ GLAMO_REG_MMC_RDATADS1);
++ writew_dly((u16)(GLAMO_FB_SIZE >> 16), host->base +
++ GLAMO_REG_MMC_RDATADS2);
++ }
++
++ /* set up the block info */
++ writew_dly(data->blksz, host->base + GLAMO_REG_MMC_DATBLKLEN);
++ writew_dly(data->blocks, host->base + GLAMO_REG_MMC_DATBLKCNT);
++ dev_dbg(&host->pdev->dev, "(blksz=%d, count=%d)\n",
++ data->blksz, data->blocks);
++ host->pio_sgptr = 0;
++ host->pio_words = 0;
++ host->pio_count = 0;
++ host->pio_active = 0;
++ /* if write, prep the write into the shared RAM before the command */
++ if (data->flags & MMC_DATA_WRITE) {
++ host->pio_active = XFER_WRITE;
++ return do_pio_write(host);
++ }
++ host->pio_active = XFER_READ;
++ return 0;
++}
++
++static void glamo_mci_send_request(struct mmc_host *mmc)
++{
++ struct glamo_mci_host *host = mmc_priv(mmc);
++ struct mmc_request *mrq = host->mrq;
++ struct mmc_command *cmd = host->cmd_is_stop ? mrq->stop : mrq->cmd;
++ u16 * pu16 = (u16 *)&cmd->resp[0];
++ u16 * reg_resp = (u16 *)(host->base + GLAMO_REG_MMC_CMD_RSP1);
++ u16 status;
++ int n;
++
++ host->ccnt++;
++ /*
++ * somehow 2.6.24 MCI manages to issue MMC_WRITE_BLOCK *without* the
++ * MMC_DATA_WRITE flag, WTF? Work around the madness.
++ */
++ if (cmd->opcode == MMC_WRITE_BLOCK)
++ if (mrq->data)
++ mrq->data->flags |= MMC_DATA_WRITE;
++
++ /* this guy has data to read/write? */
++ if ((!host->cmd_is_stop) && cmd->data) {
++ int res;
++ host->dcnt++;
++ res = glamo_mci_prepare_pio(host, cmd->data);
++ if (res) {
++ cmd->error = -EIO;
++ cmd->data->error = -EIO;
++ mmc_request_done(mmc, mrq);
++ return;
++ }
++ }
++
++ dev_dbg(&host->pdev->dev,"cmd 0x%x, "
++ "arg 0x%x data=%p mrq->stop=%p flags 0x%x\n",
++ cmd->opcode, cmd->arg, cmd->data, cmd->mrq->stop,
++ cmd->flags);
++
++ if (glamo_mci_send_command(host, cmd))
++ return;
++ /*
++ * we must spin until response is ready or timed out
++ * -- we don't get interrupts unless there is a bulk rx
++ */
++ do
++ status = readw_dly(host->base + GLAMO_REG_MMC_RB_STAT1);
++ while ((((status >> 15) & 1) != (host->ccnt & 1)) ||
++ (!(status & (GLAMO_STAT1_MMC_RB_RRDY |
++ GLAMO_STAT1_MMC_RTOUT |
++ GLAMO_STAT1_MMC_DTOUT |
++ GLAMO_STAT1_MMC_BWERR |
++ GLAMO_STAT1_MMC_BRERR))));
++
++ if (status & (GLAMO_STAT1_MMC_RTOUT |
++ GLAMO_STAT1_MMC_DTOUT))
++ cmd->error = -ETIMEDOUT;
++ if (status & (GLAMO_STAT1_MMC_BWERR |
++ GLAMO_STAT1_MMC_BRERR))
++ cmd->error = -EILSEQ;
++
++ if (host->cmd_is_stop)
++ return;
++
++ if (cmd->error) {
++ dev_err(&host->pdev->dev, "Error after cmd: 0x%x\n", status);
++ goto done;
++ }
++ /*
++ * mangle the response registers in two different exciting
++ * undocumented ways discovered by trial and error
++ */
++ if (mmc_resp_type(cmd) == MMC_RSP_R2)
++ /* grab the response */
++ for (n = 0; n < 8; n++) /* super mangle power 1 */
++ pu16[n ^ 6] = readw_dly(&reg_resp[n]);
++ else
++ for (n = 0; n < 3; n++) /* super mangle power 2 */
++ pu16[n] = (readw_dly(&reg_resp[n]) >> 8) |
++ (readw_dly(&reg_resp[n + 1]) << 8);
++ /*
++ * if we don't have bulk data to take care of, we're done
++ */
++ if (!cmd->data)
++ goto done;
++ if (!(cmd->data->flags & (MMC_DATA_READ | MMC_DATA_WRITE)))
++ goto done;
++ /*
++ * Otherwise can can use the interrupt as async completion --
++ * if there is read data coming, or we wait for write data to complete,
++ * exit without mmc_request_done() as the payload interrupt
++ * will service it
++ */
++ dev_dbg(&host->pdev->dev, "Waiting for payload data\n");
++ /*
++ * if the glamo INT# line isn't wired (*cough* it can happen)
++ * I'm afraid we have to spin on the IRQ status bit and "be
++ * our own INT# line"
++ */
++ if (!glamo_mci_def_pdata.pglamo->irq_works) {
++ /* we have faith we will get an "interrupt"... */
++ while (!(readw_dly(glamo_mci_def_pdata.pglamo->base +
++ GLAMO_REG_IRQ_STATUS) & GLAMO_IRQ_MMC))
++ ;
++ /* yay we are an interrupt controller! -- call the ISR */
++ glamo_mci_irq(IRQ_GLAMO(GLAMO_IRQIDX_MMC),
++ irq_desc + IRQ_GLAMO(GLAMO_IRQIDX_MMC));
++ }
++ return;
++
++done:
++ host->complete_what = COMPLETION_NONE;
++ host->mrq = NULL;
++ mmc_request_done(host->mmc, cmd->mrq);
++}
++
++static void glamo_mci_request(struct mmc_host *mmc, struct mmc_request *mrq)
++{
++ struct glamo_mci_host *host = mmc_priv(mmc);
++
++ host->cmd_is_stop = 0;
++ host->mrq = mrq;
++ glamo_mci_send_request(mmc);
++}
++
++static void glamo_mci_reset(struct glamo_mci_host *host)
++{
++ /* reset MMC controller */
++ writew_dly(GLAMO_CLOCK_MMC_RESET | GLAMO_CLOCK_MMC_DG_TCLK |
++ GLAMO_CLOCK_MMC_EN_TCLK | GLAMO_CLOCK_MMC_DG_M9CLK |
++ GLAMO_CLOCK_MMC_EN_M9CLK,
++ glamo_mci_def_pdata.pglamo->base + GLAMO_REG_CLOCK_MMC);
++ msleep(1);
++ /* and disable reset */
++ writew_dly(GLAMO_CLOCK_MMC_DG_TCLK |
++ GLAMO_CLOCK_MMC_EN_TCLK | GLAMO_CLOCK_MMC_DG_M9CLK |
++ GLAMO_CLOCK_MMC_EN_M9CLK,
++ glamo_mci_def_pdata.pglamo->base + GLAMO_REG_CLOCK_MMC);
++}
++
++static void glamo_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
++{
++ struct glamo_mci_host *host = mmc_priv(mmc);
++ int mci_psc = 0;
++ int n = 0;
++
++ /* Set power */
++ switch(ios->power_mode) {
++ case MMC_POWER_ON:
++ case MMC_POWER_UP:
++ if (host->power_mode_current != MMC_POWER_OFF)
++ break;
++ if (host->vdd_current != ios->vdd) {
++ host->pdata->glamo_set_mci_power(ios->power_mode,
++ ios->vdd);
++ host->vdd_current = ios->vdd;
++ }
++ glamo_engine_enable(glamo_mci_def_pdata.pglamo,
++ GLAMO_ENGINE_MMC);
++ glamo_mci_reset(host);
++ break;
++
++ case MMC_POWER_OFF:
++ default:
++ if (host->power_mode_current == MMC_POWER_OFF)
++ break;
++ glamo_engine_disable(glamo_mci_def_pdata.pglamo,
++ GLAMO_ENGINE_MMC);
++ host->pdata->glamo_set_mci_power(MMC_POWER_OFF, 0);
++ host->vdd_current = -1;
++ break;
++ }
++ host->power_mode_current = ios->power_mode;
++
++ /* Set clock */
++/* if (ios->clock) { */
++ for (mci_psc = 0; mci_psc < 256; mci_psc++) {
++ host->real_rate = host->clk_rate / (mci_psc + 1);
++ if (host->real_rate <= ios->clock)
++ break;
++ }
++ if (mci_psc > 255)
++ mci_psc = 255;
++ host->clk_div = mci_psc;
++ /* set the nearest prescaler factor
++ *
++ * register shared with SCLK divisor -- no chance of race because
++ * we don't use sensor interface
++ */
++ writew_dly((readw(glamo_mci_def_pdata.pglamo->base +
++ GLAMO_REG_CLOCK_GEN8) & 0xff00) | host->clk_div,
++ glamo_mci_def_pdata.pglamo->base + GLAMO_REG_CLOCK_GEN8);
++ /* enable clock to divider input */
++ writew_dly(readw(glamo_mci_def_pdata.pglamo->base +
++ GLAMO_REG_CLOCK_GEN5_1) | GLAMO_CLOCK_GEN51_EN_DIV_TCLK,
++ glamo_mci_def_pdata.pglamo->base + GLAMO_REG_CLOCK_GEN5_1);
++#if 0
++ } else { /* stop clock */
++ host->real_rate = 0;
++ /* remove clock from divider input */
++ writew(readw(glamo_mci_def_pdata.pglamo->base +
++ GLAMO_REG_CLOCK_GEN5_1) & (~GLAMO_CLOCK_GEN51_EN_DIV_TCLK),
++ glamo_mci_def_pdata.pglamo->base + GLAMO_REG_CLOCK_GEN5_1);
++ }
++#endif
++ if ((ios->power_mode == MMC_POWER_ON) ||
++ (ios->power_mode == MMC_POWER_UP)) {
++ dev_info(&host->pdev->dev,
++ "powered (vdd = %d) clk: %lukHz div=%d (req: %ukHz). "
++ "Bus width=%d\n",ios->vdd,
++ host->real_rate / 1000, mci_psc,
++ ios->clock / 1000, ios->bus_width);
++ } else
++ dev_info(&host->pdev->dev, "glamo_mci_set_ios: power down.\n");
++
++ /* set bus width */
++ host->bus_width = ios->bus_width;
++ if (host->bus_width == MMC_BUS_WIDTH_4)
++ n = GLAMO_BASIC_MMC_EN_4BIT_DATA;
++ writew_dly((readw_dly(host->base + GLAMO_REG_MMC_BASIC) &
++ (~GLAMO_BASIC_MMC_EN_4BIT_DATA)) | n,
++ host->base + GLAMO_REG_MMC_BASIC);
++}
++
++
++/*
++ * no physical write protect supported by us
++ */
++static int glamo_mci_get_ro(struct mmc_host *mmc)
++{
++ return 0;
++}
++
++static struct mmc_host_ops glamo_mci_ops = {
++ .request = glamo_mci_request,
++ .set_ios = glamo_mci_set_ios,
++ .get_ro = glamo_mci_get_ro,
++};
++
++static int glamo_mci_probe(struct platform_device *pdev)
++{
++ struct mmc_host *mmc;
++ struct glamo_mci_host *host;
++ int ret;
++
++ dev_info(&pdev->dev, "glamo_mci driver (C)2007 OpenMoko, Inc\n");
++
++ mmc = mmc_alloc_host(sizeof(struct glamo_mci_host), &pdev->dev);
++ if (!mmc) {
++ ret = -ENOMEM;
++ goto probe_out;
++ }
++
++ host = mmc_priv(mmc);
++ host->mmc = mmc;
++ host->pdev = pdev;
++ host->pdata = &glamo_mci_def_pdata;
++ host->power_mode_current = MMC_POWER_OFF;
++
++ host->complete_what = COMPLETION_NONE;
++ host->pio_active = XFER_NONE;
++
++ spin_lock_init(&host->complete_lock);
++
++ host->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!host->mem) {
++ dev_err(&pdev->dev,
++ "failed to get io memory region resouce.\n");
++
++ ret = -ENOENT;
++ goto probe_free_host;
++ }
++
++ host->mem = request_mem_region(host->mem->start,
++ RESSIZE(host->mem), pdev->name);
++
++ if (!host->mem) {
++ dev_err(&pdev->dev, "failed to request io memory region.\n");
++ ret = -ENOENT;
++ goto probe_free_host;
++ }
++
++ host->base = ioremap(host->mem->start, RESSIZE(host->mem));
++ if (!host->base) {
++ dev_err(&pdev->dev, "failed to ioremap() io memory region.\n");
++ ret = -EINVAL;
++ goto probe_free_mem_region;
++ }
++
++ /* set the handler for our bit of the shared chip irq register */
++ set_irq_handler(IRQ_GLAMO(GLAMO_IRQIDX_MMC), glamo_mci_irq);
++ /* stash host as our handler's private data */
++ set_irq_data(IRQ_GLAMO(GLAMO_IRQIDX_MMC), host);
++
++ /* Get ahold of our data buffer we use for data in and out on MMC */
++ host->mem_data = platform_get_resource(pdev, IORESOURCE_MEM, 1);
++ if (!host->mem_data) {
++ dev_err(&pdev->dev,
++ "failed to get io memory region resource.\n");
++ ret = -ENOENT;
++ goto probe_iounmap;
++ }
++
++ host->mem_data = request_mem_region(host->mem_data->start,
++ RESSIZE(host->mem_data), pdev->name);
++
++ if (!host->mem_data) {
++ dev_err(&pdev->dev, "failed to request io memory region.\n");
++ ret = -ENOENT;
++ goto probe_iounmap;
++ }
++ host->base_data = ioremap(host->mem_data->start,
++ RESSIZE(host->mem_data));
++ host->data_max_size = RESSIZE(host->mem_data);
++
++ if (host->base_data == 0) {
++ dev_err(&pdev->dev, "failed to ioremap() io memory region.\n");
++ ret = -EINVAL;
++ goto probe_free_mem_region_data;
++ }
++
++ host->vdd_current = 0;
++ host->clk_rate = 50000000; /* really it's 49152000 */
++ host->clk_div = 16;
++
++ /* explain our host controller capabilities */
++ mmc->ops = &glamo_mci_ops;
++ mmc->ocr_avail = host->pdata->ocr_avail;
++ mmc->caps = MMC_CAP_4_BIT_DATA |
++ MMC_CAP_MULTIWRITE |
++ MMC_CAP_MMC_HIGHSPEED |
++ MMC_CAP_SD_HIGHSPEED;
++ mmc->f_min = host->clk_rate / 256;
++ /*
++ * held at /4 due to concerns of 100R recommended series resistor
++ * allows 16MHz @ 4-bit --> 8MBytes/sec raw
++ */
++ mmc->f_max = host->clk_rate / 3;
++
++ mmc->max_blk_count = (1 << 16) - 1; /* GLAMO_REG_MMC_RB_BLKCNT */
++ mmc->max_blk_size = (1 << 12) - 1; /* GLAMO_REG_MMC_RB_BLKLEN */
++ mmc->max_req_size = RESSIZE(host->mem_data) / 2;
++ mmc->max_seg_size = mmc->max_req_size;
++ mmc->max_phys_segs = 1; /* hw doesn't talk about segs??? */
++ mmc->max_hw_segs = 1;
++
++ dev_info(&host->pdev->dev, "probe: mapped mci_base:%p irq:%u.\n",
++ host->base, host->irq);
++
++ if ((ret = mmc_add_host(mmc))) {
++ dev_err(&pdev->dev, "failed to add mmc host.\n");
++ goto probe_free_mem_region_data;
++ }
++
++ platform_set_drvdata(pdev, mmc);
++
++ dev_info(&pdev->dev,"initialisation done.\n");
++ return 0;
++
++ probe_free_mem_region_data:
++ release_mem_region(host->mem_data->start, RESSIZE(host->mem_data));
++
++ probe_iounmap:
++ iounmap(host->base);
++
++ probe_free_mem_region:
++ release_mem_region(host->mem->start, RESSIZE(host->mem));
++
++ probe_free_host:
++ mmc_free_host(mmc);
++ probe_out:
++ return ret;
++}
++
++static int glamo_mci_remove(struct platform_device *pdev)
++{
++ struct mmc_host *mmc = platform_get_drvdata(pdev);
++ struct glamo_mci_host *host = mmc_priv(mmc);
++
++ mmc_remove_host(mmc);
++ /* stop using our handler, revert it to default */
++ set_irq_handler(IRQ_GLAMO(GLAMO_IRQIDX_MMC), handle_level_irq);
++ iounmap(host->base);
++ iounmap(host->base_data);
++ release_mem_region(host->mem->start, RESSIZE(host->mem));
++ release_mem_region(host->mem_data->start, RESSIZE(host->mem_data));
++ mmc_free_host(mmc);
++
++ glamo_engine_disable(glamo_mci_def_pdata.pglamo, GLAMO_ENGINE_MMC);
++ return 0;
++}
++
++
++#ifdef CONFIG_PM
++
++static int glamo_mci_suspend(struct platform_device *dev, pm_message_t state)
++{
++ struct mmc_host *mmc = platform_get_drvdata(dev);
++
++ return mmc_suspend_host(mmc, state);
++}
++
++static int glamo_mci_resume(struct platform_device *dev)
++{
++ struct mmc_host *mmc = platform_get_drvdata(dev);
++
++ return mmc_resume_host(mmc);
++}
++
++#else /* CONFIG_PM */
++#define glamo_mci_suspend NULL
++#define glamo_mci_resume NULL
++#endif /* CONFIG_PM */
++
++
++static struct platform_driver glamo_mci_driver =
++{
++ .driver.name = "glamo-mci",
++ .probe = glamo_mci_probe,
++ .remove = glamo_mci_remove,
++ .suspend = glamo_mci_suspend,
++ .resume = glamo_mci_resume,
++};
++
++static int __init glamo_mci_init(void)
++{
++ platform_driver_register(&glamo_mci_driver);
++ return 0;
++}
++
++static void __exit glamo_mci_exit(void)
++{
++ platform_driver_unregister(&glamo_mci_driver);
++}
++
++module_init(glamo_mci_init);
++module_exit(glamo_mci_exit);
++
++MODULE_DESCRIPTION("Glamo MMC/SD Card Interface driver");
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("Andy Green <andy@openmoko.com>");
+diff --git a/drivers/mfd/glamo/glamo-mci.h b/drivers/mfd/glamo/glamo-mci.h
+new file mode 100644
+index 0000000..40c3e24
+--- /dev/null
++++ b/drivers/mfd/glamo/glamo-mci.h
+@@ -0,0 +1,76 @@
++/*
++ * linux/drivers/mmc/host/glamo-mmc.h - GLAMO MCI driver
++ *
++ * Copyright (C) 2007-2008 OpenMoko, Inc, Andy Green <andy@openmoko.com>
++ * based on S3C MMC driver -->
++ * Copyright (C) 2004-2006 Thomas Kleffel, All Rights Reserved.
++ *
++ * 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.
++ */
++
++
++enum glamo_mci_waitfor {
++ COMPLETION_NONE,
++ COMPLETION_FINALIZE,
++ COMPLETION_CMDSENT,
++ COMPLETION_RSPFIN,
++ COMPLETION_XFERFINISH,
++ COMPLETION_XFERFINISH_RSPFIN,
++};
++
++struct glamo_mci_host {
++ struct platform_device *pdev;
++ struct glamo_mci_pdata *pdata;
++ struct mmc_host *mmc;
++ struct resource *mem;
++ struct resource *mem_data;
++ struct clk *clk;
++ void __iomem *base;
++ u16 __iomem *base_data;
++ int irq;
++ int irq_cd;
++ int dma;
++ int data_max_size;
++
++ int power_mode_current;
++ unsigned int vdd_current;
++
++ unsigned long clk_rate;
++ unsigned long clk_div;
++ unsigned long real_rate;
++ u8 prescaler;
++
++ unsigned sdiimsk;
++ int dodma;
++
++ volatile int dmatogo;
++
++ struct mmc_request *mrq;
++ int cmd_is_stop;
++
++ spinlock_t complete_lock;
++ volatile enum glamo_mci_waitfor
++ complete_what;
++
++ volatile int dma_complete;
++
++ volatile u32 pio_sgptr;
++ volatile u32 pio_words;
++ volatile u32 pio_count;
++ volatile u16 *pio_ptr;
++#define XFER_NONE 0
++#define XFER_READ 1
++#define XFER_WRITE 2
++ volatile u32 pio_active;
++
++ int bus_width;
++
++ char dbgmsg_cmd[301];
++ char dbgmsg_dat[301];
++ volatile char *status;
++
++ unsigned int ccnt, dcnt;
++ struct tasklet_struct pio_tasklet;
++};
+diff --git a/drivers/mfd/glamo/glamo-regs.h b/drivers/mfd/glamo/glamo-regs.h
+index 151cd66..8f6c45c 100644
+--- a/drivers/mfd/glamo/glamo-regs.h
++++ b/drivers/mfd/glamo/glamo-regs.h
+@@ -150,16 +150,28 @@ enum glamo_reg_mem_dram2 {
+ GLAMO_MEM_DRAM2_DEEP_PWRDOWN = (1 << 12),
+ };
+
++enum glamo_irq_index {
++ GLAMO_IRQIDX_HOSTBUS = 0,
++ GLAMO_IRQIDX_JPEG = 1,
++ GLAMO_IRQIDX_MPEG = 2,
++ GLAMO_IRQIDX_MPROC1 = 3,
++ GLAMO_IRQIDX_MPROC0 = 4,
++ GLAMO_IRQIDX_CMDQUEUE = 5,
++ GLAMO_IRQIDX_2D = 6,
++ GLAMO_IRQIDX_MMC = 7,
++ GLAMO_IRQIDX_RISC = 8,
++};
++
+ enum glamo_irq {
+- GLAMO_IRQ_HOSTBUS = 0x0001,
+- GLAMO_IRQ_JPEG = 0x0002,
+- GLAMO_IRQ_MPEG = 0x0004,
+- GLAMO_IRQ_MPROC1 = 0x0008,
+- GLAMO_IRQ_MPROC0 = 0x0010,
+- GLAMO_IRQ_CMDQUEUE = 0x0020,
+- GLAMO_IRQ_2D = 0x0040,
+- GLAMO_IRQ_MMC = 0x0080,
+- GLAMO_IRQ_RISC = 0x0100,
++ GLAMO_IRQ_HOSTBUS = (1 << GLAMO_IRQIDX_HOSTBUS),
++ GLAMO_IRQ_JPEG = (1 << GLAMO_IRQIDX_JPEG),
++ GLAMO_IRQ_MPEG = (1 << GLAMO_IRQIDX_MPEG),
++ GLAMO_IRQ_MPROC1 = (1 << GLAMO_IRQIDX_MPROC1),
++ GLAMO_IRQ_MPROC0 = (1 << GLAMO_IRQIDX_MPROC0),
++ GLAMO_IRQ_CMDQUEUE = (1 << GLAMO_IRQIDX_CMDQUEUE),
++ GLAMO_IRQ_2D = (1 << GLAMO_IRQIDX_2D),
++ GLAMO_IRQ_MMC = (1 << GLAMO_IRQIDX_MMC),
++ GLAMO_IRQ_RISC = (1 << GLAMO_IRQIDX_RISC),
+ };
+
+ enum glamo_reg_clock_host {
+@@ -197,6 +209,145 @@ enum glamo_reg_clock_mmc {
+ GLAMO_CLOCK_MMC_RESET = 0x1000,
+ };
+
++enum glamo_reg_basic_mmc {
++ /* set to disable CRC error rejection */
++ GLAMO_BASIC_MMC_DISABLE_CRC = 0x0001,
++ /* enable completion interrupt */
++ GLAMO_BASIC_MMC_EN_COMPL_INT = 0x0002,
++ /* stop MMC clock while enforced idle waiting for data from card */
++ GLAMO_BASIC_MMC_NO_CLK_RD_WAIT = 0x0004,
++ /* 0 = 1-bit bus to card, 1 = use 4-bit bus (has to be negotiated) */
++ GLAMO_BASIC_MMC_EN_4BIT_DATA = 0x0008,
++ /* enable 75K pullups on D3..D0 */
++ GLAMO_BASIC_MMC_EN_DATA_PUPS = 0x0010,
++ /* enable 75K pullup on CMD */
++ GLAMO_BASIC_MMC_EN_CMD_PUP = 0x0020,
++ /* IO drive strength 00=weak -> 11=strongest */
++ GLAMO_BASIC_MMC_EN_DR_STR0 = 0x0040,
++ GLAMO_BASIC_MMC_EN_DR_STR1 = 0x0080,
++ /* TCLK delay stage A, 0000 = 500ps --> 1111 = 8ns */
++ GLAMO_BASIC_MMC_EN_TCLK_DLYA0 = 0x0100,
++ GLAMO_BASIC_MMC_EN_TCLK_DLYA1 = 0x0200,
++ GLAMO_BASIC_MMC_EN_TCLK_DLYA2 = 0x0400,
++ GLAMO_BASIC_MMC_EN_TCLK_DLYA3 = 0x0800,
++ /* TCLK delay stage B (cumulative), 0000 = 500ps --> 1111 = 8ns */
++ GLAMO_BASIC_MMC_EN_TCLK_DLYB0 = 0x1000,
++ GLAMO_BASIC_MMC_EN_TCLK_DLYB1 = 0x2000,
++ GLAMO_BASIC_MMC_EN_TCLK_DLYB2 = 0x4000,
++ GLAMO_BASIC_MMC_EN_TCLK_DLYB3 = 0x8000,
++};
++
++enum glamo_reg_stat1_mmc {
++ /* command "counter" (really: toggle) */
++ GLAMO_STAT1_MMC_CMD_CTR = 0x8000,
++ /* engine is idle */
++ GLAMO_STAT1_MMC_IDLE = 0x4000,
++ /* readback response is ready */
++ GLAMO_STAT1_MMC_RB_RRDY = 0x0200,
++ /* readback data is ready */
++ GLAMO_STAT1_MMC_RB_DRDY = 0x0100,
++ /* no response timeout */
++ GLAMO_STAT1_MMC_RTOUT = 0x0020,
++ /* no data timeout */
++ GLAMO_STAT1_MMC_DTOUT = 0x0010,
++ /* CRC error on block write */
++ GLAMO_STAT1_MMC_BWERR = 0x0004,
++ /* CRC error on block read */
++ GLAMO_STAT1_MMC_BRERR = 0x0002
++};
++
++enum glamo_reg_fire_mmc {
++ /* command "counter" (really: toggle)
++ * the STAT1 register reflects this so you can ensure you don't look
++ * at status for previous command
++ */
++ GLAMO_FIRE_MMC_CMD_CTR = 0x8000,
++ /* sets kind of response expected */
++ GLAMO_FIRE_MMC_RES_MASK = 0x0700,
++ /* sets command type */
++ GLAMO_FIRE_MMC_TYP_MASK = 0x00C0,
++ /* sets command class */
++ GLAMO_FIRE_MMC_CLS_MASK = 0x000F,
++};
++
++enum glamo_fire_mmc_response_types {
++ GLAMO_FIRE_MMC_RSPT_R1 = 0x0000,
++ GLAMO_FIRE_MMC_RSPT_R1b = 0x0100,
++ GLAMO_FIRE_MMC_RSPT_R2 = 0x0200,
++ GLAMO_FIRE_MMC_RSPT_R3 = 0x0300,
++ GLAMO_FIRE_MMC_RSPT_R4 = 0x0400,
++ GLAMO_FIRE_MMC_RSPT_R5 = 0x0500,
++};
++
++enum glamo_fire_mmc_command_types {
++ /* broadcast, no response */
++ GLAMO_FIRE_MMC_CMDT_BNR = 0x0000,
++ /* broadcast, with response */
++ GLAMO_FIRE_MMC_CMDT_BR = 0x0040,
++ /* addressed, no data */
++ GLAMO_FIRE_MMC_CMDT_AND = 0x0080,
++ /* addressed, with data */
++ GLAMO_FIRE_MMC_CMDT_AD = 0x00C0,
++};
++
++enum glamo_fire_mmc_command_class {
++ /* "Stream Read" */
++ GLAMO_FIRE_MMC_CC_STRR = 0x0000,
++ /* Single Block Read */
++ GLAMO_FIRE_MMC_CC_SBR = 0x0001,
++ /* Multiple Block Read With Stop */
++ GLAMO_FIRE_MMC_CC_MBRS = 0x0002,
++ /* Multiple Block Read No Stop */
++ GLAMO_FIRE_MMC_CC_MBRNS = 0x0003,
++ /* RESERVED for "Stream Write" */
++ GLAMO_FIRE_MMC_CC_STRW = 0x0004,
++ /* "Stream Write" */
++ GLAMO_FIRE_MMC_CC_SBW = 0x0005,
++ /* RESERVED for Multiple Block Write With Stop */
++ GLAMO_FIRE_MMC_CC_MBWS = 0x0006,
++ /* Multiple Block Write No Stop */
++ GLAMO_FIRE_MMC_CC_MBWNS = 0x0007,
++ /* STOP command */
++ GLAMO_FIRE_MMC_CC_STOP = 0x0008,
++ /* Cancel on Running Command */
++ GLAMO_FIRE_MMC_CC_CANCL = 0x0009,
++ /* "Basic Command" */
++ GLAMO_FIRE_MMC_CC_BASIC = 0x000a,
++};
++
++/* these are offsets from the start of the MMC register region */
++enum glamo_register_mmc {
++ /* MMC command, b15..8 = cmd arg b7..0; b7..1 = CRC; b0 = end bit */
++ GLAMO_REG_MMC_CMD_REG1 = 0x00,
++ /* MMC command, b15..0 = cmd arg b23 .. 8 */
++ GLAMO_REG_MMC_CMD_REG2 = 0x02,
++ /* MMC command, b15=start, b14=transmission,
++ * b13..8=cmd idx, b7..0=cmd arg b31..24
++ */
++ GLAMO_REG_MMC_CMD_REG3 = 0x04,
++ GLAMO_REG_MMC_CMD_FIRE = 0x06,
++ GLAMO_REG_MMC_CMD_RSP1 = 0x10,
++ GLAMO_REG_MMC_CMD_RSP2 = 0x12,
++ GLAMO_REG_MMC_CMD_RSP3 = 0x14,
++ GLAMO_REG_MMC_CMD_RSP4 = 0x16,
++ GLAMO_REG_MMC_CMD_RSP5 = 0x18,
++ GLAMO_REG_MMC_CMD_RSP6 = 0x1a,
++ GLAMO_REG_MMC_CMD_RSP7 = 0x1c,
++ GLAMO_REG_MMC_CMD_RSP8 = 0x1e,
++ GLAMO_REG_MMC_RB_STAT1 = 0x20,
++ GLAMO_REG_MMC_RB_BLKCNT = 0x22,
++ GLAMO_REG_MMC_RB_BLKLEN = 0x24,
++ GLAMO_REG_MMC_BASIC = 0x30,
++ GLAMO_REG_MMC_RDATADS1 = 0x34,
++ GLAMO_REG_MMC_RDATADS2 = 0x36,
++ GLAMO_REG_MMC_WDATADS1 = 0x38,
++ GLAMO_REG_MMC_WDATADS2 = 0x3a,
++ GLAMO_REG_MMC_DATBLKCNT = 0x3c,
++ GLAMO_REG_MMC_DATBLKLEN = 0x3e,
++ GLAMO_REG_MMC_TIMEOUT = 0x40,
++
++};
++
+ enum glamo_reg_clock_isp {
+ GLAMO_CLOCK_ISP_DG_I1CLK = 0x0001,
+ GLAMO_CLOCK_ISP_EN_I1CLK = 0x0002,
+--
+1.5.6.3
+