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author | Mirko Vogt <mirko@openwrt.org> | 2008-12-12 11:58:53 +0000 |
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committer | Mirko Vogt <mirko@openwrt.org> | 2008-12-12 11:58:53 +0000 |
commit | fac7f7f84f3771c5247c7fdee825c092077984f5 (patch) | |
tree | 54644c1229434d7ee13c5872bda4129e34337fc0 /target/linux/s3c24xx/patches-2.6.26/0027-glamo-mmc.patch.patch | |
parent | a34279723a9cf0796f9261f2fb90bea18cd95711 (diff) | |
download | master-187ad058-fac7f7f84f3771c5247c7fdee825c092077984f5.tar.gz master-187ad058-fac7f7f84f3771c5247c7fdee825c092077984f5.tar.bz2 master-187ad058-fac7f7f84f3771c5247c7fdee825c092077984f5.zip |
changed Makefile and profiles, added patches for kernel 2.6.24
(stable-branch of Openmoko)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/0027-glamo-mmc.patch.patch')
-rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/0027-glamo-mmc.patch.patch | 1188 |
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(®_resp[n]); ++ else ++ for (n = 0; n < 3; n++) /* super mangle power 2 */ ++ pu16[n] = (readw_dly(®_resp[n]) >> 8) | ++ (readw_dly(®_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 + |