diff options
Diffstat (limited to 'drivers/mfd/glamo')
| -rw-r--r-- | drivers/mfd/glamo/Kconfig | 42 | ||||
| -rw-r--r-- | drivers/mfd/glamo/Makefile | 11 | ||||
| -rw-r--r-- | drivers/mfd/glamo/glamo-core.c | 1288 | ||||
| -rw-r--r-- | drivers/mfd/glamo/glamo-core.h | 61 | ||||
| -rw-r--r-- | drivers/mfd/glamo/glamo-fb.c | 983 | ||||
| -rw-r--r-- | drivers/mfd/glamo/glamo-gpio.c | 285 | ||||
| -rw-r--r-- | drivers/mfd/glamo/glamo-mci.c | 982 | ||||
| -rw-r--r-- | drivers/mfd/glamo/glamo-regs.h | 630 |
8 files changed, 0 insertions, 4282 deletions
diff --git a/drivers/mfd/glamo/Kconfig b/drivers/mfd/glamo/Kconfig deleted file mode 100644 index 3aa4831a4ff..00000000000 --- a/drivers/mfd/glamo/Kconfig +++ /dev/null @@ -1,42 +0,0 @@ -config MFD_GLAMO - bool "Smedia Glamo 336x/337x support" - select MFD_CORE - help - This enables the core driver for the Smedia Glamo 336x/337x - multi-function device. It includes irq_chip demultiplex as - well as clock / power management and GPIO support. - -config MFD_GLAMO_FB - tristate "Smedia Glamo 336x/337x framebuffer support" - depends on FB && MFD_GLAMO - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - Frame buffer driver for the LCD controller in the Smedia Glamo - 336x/337x. - - This driver is also available as a module ( = code which can be - inserted and removed from the running kernel whenever you want). The - module will be called glamofb. If you want to compile it as a module, - say M here and read <file:Documentation/modules.txt>. - - If unsure, say N. - -config MFD_GLAMO_GPIO - tristate "Glamo GPIO support" - depends on MFD_GLAMO - - help - Enable a bitbanging SPI adapter driver for the Smedia Glamo. - -config MFD_GLAMO_MCI - tristate "Glamo S3C SD/MMC Card Interface support" - depends on MFD_GLAMO && MMC && REGULATOR - select CRC7 - 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. diff --git a/drivers/mfd/glamo/Makefile b/drivers/mfd/glamo/Makefile deleted file mode 100644 index ebf26f7e473..00000000000 --- a/drivers/mfd/glamo/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# -# Makefile for the Smedia Glamo framebuffer driver -# - -obj-$(CONFIG_MFD_GLAMO) += glamo-core.o -obj-$(CONFIG_MFD_GLAMO_GPIO) += glamo-gpio.o -obj-$(CONFIG_MFD_GLAMO_SPI) += glamo-spi.o - -obj-$(CONFIG_MFD_GLAMO_FB) += glamo-fb.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 deleted file mode 100644 index 3cb48b28570..00000000000 --- a/drivers/mfd/glamo/glamo-core.c +++ /dev/null @@ -1,1288 +0,0 @@ -/* Smedia Glamo 3362 driver - * - * (C) 2007 by Openmoko, Inc. - * Author: Harald Welte <laforge@openmoko.org> - * (C) 2009, Lars-Peter Clausen <lars@metafoo.de> - * 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 as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/workqueue.h> -#include <linux/platform_device.h> -#include <linux/kernel_stat.h> -#include <linux/spinlock.h> -#include <linux/mfd/core.h> -#include <linux/mfd/glamo.h> -#include <linux/io.h> -#include <linux/slab.h> - -#include <linux/pm.h> - -#include "glamo-regs.h" -#include "glamo-core.h" - -#define GLAMO_MEM_REFRESH_COUNT 0x100 - -#define GLAMO_NR_IRQS 9 - -#define GLAMO_IRQ_HOSTBUS 0 -#define GLAMO_IRQ_JPEG 1 -#define GLAMO_IRQ_MPEG 2 -#define GLAMO_IRQ_MPROC1 3 -#define GLAMO_IRQ_MPROC0 4 -#define GLAMO_IRQ_CMDQUEUE 5 -#define GLAMO_IRQ_2D 6 -#define GLAMO_IRQ_MMC 7 -#define GLAMO_IRQ_RISC 8 - -/* - * Glamo internal settings - * - * We run the memory interface from the faster PLLB on 2.6.28 kernels and - * above. Couple of GTA02 users report trouble with memory bus when they - * upgraded from 2.6.24. So this parameter allows reversion to 2.6.24 - * scheme if their Glamo chip needs it. - * - * you can override the faster default on kernel commandline using - * - * glamo3362.slow_memory=1 - * - * for example - */ - -static int slow_memory; -module_param(slow_memory, int, 0644); - -struct reg_range { - int start; - int count; - char *name; - unsigned dump:1; -}; - -static const struct reg_range reg_range[] = { - { 0x0000, 0x76, "General", 1 }, - { 0x0200, 0x18, "Host Bus", 1 }, - { 0x0300, 0x38, "Memory", 1 }, -/* { 0x0400, 0x100, "Sensor", 0 }, */ -/* { 0x0500, 0x300, "ISP", 0 }, */ -/* { 0x0800, 0x400, "JPEG", 0 }, */ -/* { 0x0c00, 0xcc, "MPEG", 0 }, */ - { 0x1100, 0xb2, "LCD 1", 1 }, - { 0x1200, 0x64, "LCD 2", 1 }, - { 0x1400, 0x42, "MMC", 1 }, -/* { 0x1500, 0x080, "MPU 0", 0 }, - { 0x1580, 0x080, "MPU 1", 0 }, - { 0x1600, 0x080, "Cmd Queue", 0 }, - { 0x1680, 0x080, "RISC CPU", 0 },*/ - { 0x1700, 0x400, "2D Unit", 1 }, -/* { 0x1b00, 0x900, "3D Unit", 0 }, */ -}; - -static inline void __reg_write(struct glamo_core *glamo, - uint16_t reg, uint16_t val) -{ - writew(val, glamo->base + reg); -} - -void glamo_reg_write(struct glamo_core *glamo, - uint16_t reg, uint16_t val) -{ - spin_lock(&glamo->lock); - __reg_write(glamo, reg, val); - spin_unlock(&glamo->lock); -} -EXPORT_SYMBOL_GPL(glamo_reg_write); - - -static inline uint16_t __reg_read(struct glamo_core *glamo, - uint16_t reg) -{ - return readw(glamo->base + reg); -} - -uint16_t glamo_reg_read(struct glamo_core *glamo, uint16_t reg) -{ - uint16_t val; - spin_lock(&glamo->lock); - val = __reg_read(glamo, reg); - spin_unlock(&glamo->lock); - - return val; -} -EXPORT_SYMBOL_GPL(glamo_reg_read); - -static void __reg_set_bit_mask(struct glamo_core *glamo, - uint16_t reg, uint16_t mask, - uint16_t val) -{ - uint16_t tmp; - - val &= mask; - - tmp = __reg_read(glamo, reg); - tmp &= ~mask; - tmp |= val; - __reg_write(glamo, reg, tmp); -} - -static void reg_set_bit_mask(struct glamo_core *glamo, - uint16_t reg, uint16_t mask, - uint16_t val) -{ - spin_lock(&glamo->lock); - __reg_set_bit_mask(glamo, reg, mask, val); - spin_unlock(&glamo->lock); -} - -static inline void __reg_set_bit(struct glamo_core *glamo, - uint16_t reg, uint16_t bit) -{ - uint16_t tmp; - tmp = __reg_read(glamo, reg); - tmp |= bit; - __reg_write(glamo, reg, tmp); -} - -static inline void __reg_clear_bit(struct glamo_core *glamo, - uint16_t reg, uint16_t bit) -{ - uint16_t tmp; - tmp = __reg_read(glamo, reg); - tmp &= ~bit; - __reg_write(glamo, reg, tmp); -} - -static void __reg_write_batch(struct glamo_core *glamo, uint16_t reg, - uint16_t count, uint16_t *values) -{ - uint16_t end; - for (end = reg + count * 2; reg < end; reg += 2, ++values) - __reg_write(glamo, reg, *values); -} - -static void __reg_read_batch(struct glamo_core *glamo, uint16_t reg, - uint16_t count, uint16_t *values) -{ - uint16_t end; - for (end = reg + count * 2; reg < end; reg += 2, ++values) - *values = __reg_read(glamo, reg); -} - -void glamo_reg_write_batch(struct glamo_core *glamo, uint16_t reg, - uint16_t count, uint16_t *values) -{ - spin_lock(&glamo->lock); - __reg_write_batch(glamo, reg, count, values); - spin_unlock(&glamo->lock); -} -EXPORT_SYMBOL(glamo_reg_write_batch); - -void glamo_reg_read_batch(struct glamo_core *glamo, uint16_t reg, - uint16_t count, uint16_t *values) -{ - spin_lock(&glamo->lock); - __reg_read_batch(glamo, reg, count, values); - spin_unlock(&glamo->lock); -} -EXPORT_SYMBOL(glamo_reg_read_batch); - -/*********************************************************************** - * resources of sibling devices - ***********************************************************************/ - -static struct resource glamo_fb_resources[] = { - { - .name = "glamo-fb-regs", - .start = GLAMO_REGOFS_LCD, - .end = GLAMO_REGOFS_MMC - 1, - .flags = IORESOURCE_MEM, - }, { - .name = "glamo-fb-mem", - .start = GLAMO_OFFSET_FB, - .end = GLAMO_OFFSET_FB + GLAMO_FB_SIZE - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct resource glamo_mmc_resources[] = { - { - .name = "glamo-mmc-regs", - .start = GLAMO_REGOFS_MMC, - .end = GLAMO_REGOFS_MPROC0 - 1, - .flags = IORESOURCE_MEM - }, { - .name = "glamo-mmc-mem", - .start = GLAMO_OFFSET_FB + GLAMO_FB_SIZE, - .end = GLAMO_OFFSET_FB + GLAMO_FB_SIZE + - GLAMO_MMC_BUFFER_SIZE - 1, - .flags = IORESOURCE_MEM - }, { - .start = GLAMO_IRQ_MMC, - .end = GLAMO_IRQ_MMC, - .flags = IORESOURCE_IRQ, - }, -}; - -enum glamo_cells { - GLAMO_CELL_FB, - GLAMO_CELL_MMC, - GLAMO_CELL_GPIO, -}; - -static const struct mfd_cell glamo_cells[] = { - [GLAMO_CELL_FB] = { - .name = "glamo-fb", - .num_resources = ARRAY_SIZE(glamo_fb_resources), - .resources = glamo_fb_resources, - }, - [GLAMO_CELL_MMC] = { - .name = "glamo-mci", - .num_resources = ARRAY_SIZE(glamo_mmc_resources), - .resources = glamo_mmc_resources, - }, - [GLAMO_CELL_GPIO] = { - .name = "glamo-gpio", - }, -}; - -/*********************************************************************** - * IRQ demultiplexer - ***********************************************************************/ -#define glamo_irq_bit(glamo, x) BIT(x - glamo->irq_base) - -static inline struct glamo_core *irq_to_glamo(unsigned int irq) -{ - return (struct glamo_core *)get_irq_chip_data(irq); -} - -static void glamo_ack_irq(unsigned int irq) -{ - struct glamo_core *glamo = irq_to_glamo(irq); - /* clear interrupt source */ - __reg_write(glamo, GLAMO_REG_IRQ_CLEAR, glamo_irq_bit(glamo, irq)); -} - -static void glamo_mask_irq(unsigned int irq) -{ - struct glamo_core *glamo = irq_to_glamo(irq); - - /* clear bit in enable register */ - __reg_clear_bit(glamo, GLAMO_REG_IRQ_ENABLE, glamo_irq_bit(glamo, irq)); -} - -static void glamo_unmask_irq(unsigned int irq) -{ - struct glamo_core *glamo = irq_to_glamo(irq); - - /* set bit in enable register */ - __reg_set_bit(glamo, GLAMO_REG_IRQ_ENABLE, glamo_irq_bit(glamo, irq)); -} - -static struct irq_chip glamo_irq_chip = { - .name = "glamo", - .ack = glamo_ack_irq, - .mask = glamo_mask_irq, - .unmask = glamo_unmask_irq, -}; - -static void glamo_irq_demux_handler(unsigned int irq, struct irq_desc *desc) -{ - struct glamo_core *glamo = get_irq_desc_data(desc); - desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); - - if (unlikely(desc->status & IRQ_INPROGRESS)) { - desc->status |= (IRQ_PENDING | IRQ_MASKED); - desc->chip->mask(irq); - desc->chip->ack(irq); - return; - } - kstat_incr_irqs_this_cpu(irq, desc); - - desc->chip->ack(irq); - desc->status |= IRQ_INPROGRESS; - - do { - uint16_t irqstatus; - int i; - - if (unlikely((desc->status & - (IRQ_PENDING | IRQ_MASKED | IRQ_DISABLED)) == - (IRQ_PENDING | IRQ_MASKED))) { - /* dealing with pending IRQ, unmasking */ - desc->chip->unmask(irq); - desc->status &= ~IRQ_MASKED; - } - - desc->status &= ~IRQ_PENDING; - - /* read IRQ status register */ - irqstatus = __reg_read(glamo, GLAMO_REG_IRQ_STATUS); - for (i = 0; i < 9; ++i) { - if (irqstatus & BIT(i)) - generic_handle_irq(glamo->irq_base + i); - } - - } while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING); - - desc->status &= ~IRQ_INPROGRESS; -} - -/* -sysfs -*/ - -static ssize_t regs_write(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct glamo_core *glamo = dev_get_drvdata(dev); - unsigned int reg; - unsigned int val; - - sscanf(buf, "%u %u", ®, &val); - printk(KERN_INFO"reg 0x%02x <-- 0x%04x\n", - reg, val); - - glamo_reg_write(glamo, reg, val); - - return count; -} - -static ssize_t regs_read(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct glamo_core *glamo = dev_get_drvdata(dev); - int i, n; - char *end = buf; - const struct reg_range *rr = reg_range; - - spin_lock(&glamo->lock); - - for (i = 0; i < ARRAY_SIZE(reg_range); ++i, ++rr) { - if (!rr->dump) - continue; - end += sprintf(end, "\n%s\n", rr->name); - for (n = rr->start; n < rr->start + rr->count; n += 2) { - if ((n & 15) == 0) - end += sprintf(end, "\n%04X: ", n); - end += sprintf(end, "%04x ", __reg_read(glamo, n)); - } - end += sprintf(end, "\n"); - } - spin_unlock(&glamo->lock); - - return end - buf; -} - -static DEVICE_ATTR(regs, 0644, regs_read, regs_write); - -struct glamo_engine_reg_set { - uint16_t reg; - uint16_t mask_suspended; - uint16_t mask_enabled; -}; - -struct glamo_engine_desc { - const char *name; - uint16_t hostbus; - const struct glamo_engine_reg_set *regs; - int num_regs; -}; - -static const struct glamo_engine_reg_set glamo_lcd_regs[] = { - { GLAMO_REG_CLOCK_LCD, - GLAMO_CLOCK_LCD_EN_M5CLK | - GLAMO_CLOCK_LCD_DG_M5CLK | - GLAMO_CLOCK_LCD_EN_DMCLK, - - GLAMO_CLOCK_LCD_EN_DHCLK | - GLAMO_CLOCK_LCD_EN_DCLK - }, - { GLAMO_REG_CLOCK_GEN5_1, - GLAMO_CLOCK_GEN51_EN_DIV_DMCLK, - - GLAMO_CLOCK_GEN51_EN_DIV_DHCLK | - GLAMO_CLOCK_GEN51_EN_DIV_DCLK - } -}; - -static const struct glamo_engine_reg_set glamo_mmc_regs[] = { - { GLAMO_REG_CLOCK_MMC, - GLAMO_CLOCK_MMC_EN_M9CLK | - GLAMO_CLOCK_MMC_DG_M9CLK, - - GLAMO_CLOCK_MMC_EN_TCLK | - GLAMO_CLOCK_MMC_DG_TCLK - }, - { GLAMO_REG_CLOCK_GEN5_1, - 0, - GLAMO_CLOCK_GEN51_EN_DIV_TCLK - } -}; - -static const struct glamo_engine_reg_set glamo_2d_regs[] = { - { GLAMO_REG_CLOCK_2D, - GLAMO_CLOCK_2D_EN_M7CLK | - GLAMO_CLOCK_2D_DG_M7CLK, - - GLAMO_CLOCK_2D_EN_GCLK | - GLAMO_CLOCK_2D_DG_GCLK - }, - { GLAMO_REG_CLOCK_GEN5_1, - 0, - GLAMO_CLOCK_GEN51_EN_DIV_GCLK, - } -}; - -static const struct glamo_engine_reg_set glamo_cmdq_regs[] = { - { GLAMO_REG_CLOCK_2D, - GLAMO_CLOCK_2D_EN_M6CLK, - 0 - }, -}; - -#define GLAMO_ENGINE(xname, xhostbus, xregs) { \ - .name = xname, \ - .hostbus = xhostbus, \ - .num_regs = ARRAY_SIZE(xregs), \ - .regs = xregs, \ -} - -static const struct glamo_engine_desc glamo_engines[] = { - [GLAMO_ENGINE_LCD] = GLAMO_ENGINE("LCD", GLAMO_HOSTBUS2_MMIO_EN_LCD, - glamo_lcd_regs), - [GLAMO_ENGINE_MMC] = GLAMO_ENGINE("MMC", GLAMO_HOSTBUS2_MMIO_EN_MMC, - glamo_mmc_regs), - [GLAMO_ENGINE_2D] = GLAMO_ENGINE("2D", GLAMO_HOSTBUS2_MMIO_EN_2D, - glamo_2d_regs), - [GLAMO_ENGINE_CMDQ] = GLAMO_ENGINE("CMDQ", GLAMO_HOSTBUS2_MMIO_EN_CQ, - glamo_cmdq_regs), -}; - -static inline const char *glamo_engine_name(enum glamo_engine engine) -{ - return glamo_engines[engine].name; -} - -/*********************************************************************** - * 'engine' support - ***********************************************************************/ - -int __glamo_engine_enable(struct glamo_core *glamo, enum glamo_engine engine) -{ - int i; - const struct glamo_engine_desc *engine_desc = &glamo_engines[engine]; - const struct glamo_engine_reg_set *reg; - - switch (engine) { - case GLAMO_ENGINE_LCD: - case GLAMO_ENGINE_MMC: - case GLAMO_ENGINE_2D: - case GLAMO_ENGINE_CMDQ: - break; - default: - return -EINVAL; - } - - reg = engine_desc->regs; - - __reg_set_bit(glamo, GLAMO_REG_HOSTBUS(2), - engine_desc->hostbus); - for (i = engine_desc->num_regs; i; --i, ++reg) - __reg_set_bit(glamo, reg->reg, - reg->mask_suspended | reg->mask_enabled); - - return 0; -} - -int glamo_engine_enable(struct glamo_core *glamo, enum glamo_engine engine) -{ - int ret = 0; - - spin_lock(&glamo->lock); - - if (glamo->engine_state[engine] != GLAMO_ENGINE_ENABLED) { - ret = __glamo_engine_enable(glamo, engine); - if (!ret) - glamo->engine_state[engine] = GLAMO_ENGINE_ENABLED; - } - - spin_unlock(&glamo->lock); - - return ret; -} -EXPORT_SYMBOL_GPL(glamo_engine_enable); - -int __glamo_engine_disable(struct glamo_core *glamo, enum glamo_engine engine) -{ - int i; - const struct glamo_engine_desc *engine_desc = &glamo_engines[engine]; - const struct glamo_engine_reg_set *reg; - - switch (engine) { - case GLAMO_ENGINE_LCD: - case GLAMO_ENGINE_MMC: - case GLAMO_ENGINE_2D: - case GLAMO_ENGINE_CMDQ: - break; - default: - return -EINVAL; - } - - reg = engine_desc->regs; - - __reg_clear_bit(glamo, GLAMO_REG_HOSTBUS(2), - engine_desc->hostbus); - for (i = engine_desc->num_regs; i; --i, ++reg) - __reg_clear_bit(glamo, reg->reg, - reg->mask_suspended | reg->mask_enabled); - - return 0; -} -int glamo_engine_disable(struct glamo_core *glamo, enum glamo_engine engine) -{ - int ret = 0; - - spin_lock(&glamo->lock); - - if (glamo->engine_state[engine] != GLAMO_ENGINE_DISABLED) { - ret = __glamo_engine_disable(glamo, engine); - if (!ret) - glamo->engine_state[engine] = GLAMO_ENGINE_DISABLED; - } - - spin_unlock(&glamo->lock); - - return ret; -} -EXPORT_SYMBOL_GPL(glamo_engine_disable); - -int __glamo_engine_suspend(struct glamo_core *glamo, enum glamo_engine engine) -{ - int i; - const struct glamo_engine_desc *engine_desc = &glamo_engines[engine]; - const struct glamo_engine_reg_set *reg; - - switch (engine) { - case GLAMO_ENGINE_LCD: - case GLAMO_ENGINE_MMC: - case GLAMO_ENGINE_2D: - case GLAMO_ENGINE_CMDQ: - break; - default: - return -EINVAL; - } - - reg = engine_desc->regs; - - __reg_set_bit(glamo, GLAMO_REG_HOSTBUS(2), - engine_desc->hostbus); - for (i = engine_desc->num_regs; i; --i, ++reg) { - __reg_set_bit(glamo, reg->reg, reg->mask_suspended); - __reg_clear_bit(glamo, reg->reg, reg->mask_enabled); - } - - return 0; -} - -int glamo_engine_suspend(struct glamo_core *glamo, enum glamo_engine engine) -{ - int ret = 0; - - spin_lock(&glamo->lock); - - if (glamo->engine_state[engine] != GLAMO_ENGINE_SUSPENDED) { - ret = __glamo_engine_suspend(glamo, engine); - if (!ret) - glamo->engine_state[engine] = GLAMO_ENGINE_SUSPENDED; - } - - spin_unlock(&glamo->lock); - - return ret; -} -EXPORT_SYMBOL_GPL(glamo_engine_suspend); - -static const struct glamo_script reset_regs[] = { - [GLAMO_ENGINE_LCD] = { - GLAMO_REG_CLOCK_LCD, GLAMO_CLOCK_LCD_RESET - }, - [GLAMO_ENGINE_MMC] = { - GLAMO_REG_CLOCK_MMC, GLAMO_CLOCK_MMC_RESET - }, - [GLAMO_ENGINE_CMDQ] = { - GLAMO_REG_CLOCK_2D, GLAMO_CLOCK_2D_CQ_RESET - }, - [GLAMO_ENGINE_2D] = { - GLAMO_REG_CLOCK_2D, GLAMO_CLOCK_2D_RESET - }, - [GLAMO_ENGINE_JPEG] = { - GLAMO_REG_CLOCK_JPEG, GLAMO_CLOCK_JPEG_RESET - }, -}; - -void glamo_engine_reset(struct glamo_core *glamo, enum glamo_engine engine) -{ - uint16_t reg = reset_regs[engine].reg; - uint16_t val = reset_regs[engine].val; - - if (engine >= ARRAY_SIZE(reset_regs)) { - dev_warn(&glamo->pdev->dev, "unknown engine %u ", engine); - return; - } - - spin_lock(&glamo->lock); - __reg_set_bit(glamo, reg, val); - __reg_clear_bit(glamo, reg, val); - spin_unlock(&glamo->lock); -} -EXPORT_SYMBOL_GPL(glamo_engine_reset); - -int glamo_pll_rate(struct glamo_core *glamo, - enum glamo_pll pll) -{ - uint16_t reg; - unsigned int osci = glamo->pdata->osci_clock_rate; - - switch (pll) { - case GLAMO_PLL1: - reg = __reg_read(glamo, GLAMO_REG_PLL_GEN1); - break; - case GLAMO_PLL2: - reg = __reg_read(glamo, GLAMO_REG_PLL_GEN3); - break; - default: - return -EINVAL; - } - - return (int)osci * (int)reg; -} -EXPORT_SYMBOL_GPL(glamo_pll_rate); - -int glamo_engine_reclock(struct glamo_core *glamo, - enum glamo_engine engine, - int hz) -{ - int pll; - uint16_t reg, mask, div; - - if (!hz) - return -EINVAL; - - switch (engine) { - case GLAMO_ENGINE_LCD: - pll = GLAMO_PLL1; - reg = GLAMO_REG_CLOCK_GEN7; - mask = 0xff; - break; - case GLAMO_ENGINE_MMC: - pll = GLAMO_PLL1; - reg = GLAMO_REG_CLOCK_GEN8; - mask = 0xff; - break; - default: - dev_warn(&glamo->pdev->dev, - "reclock of engine 0x%x not supported\n", engine); - return -EINVAL; - break; - } - - pll = glamo_pll_rate(glamo, pll); - - div = pll / hz; - - if (div != 0 && pll / div <= hz) - --div; - - if (div > mask) - div = mask; - - dev_dbg(&glamo->pdev->dev, - "PLL %d, kHZ %d, div %d\n", pll, hz / 1000, div); - - reg_set_bit_mask(glamo, reg, mask, div); - mdelay(5); /* wait some time to stabilize */ - - return pll / (div + 1); -} -EXPORT_SYMBOL_GPL(glamo_engine_reclock); - -/*********************************************************************** - * script support - ***********************************************************************/ - -#define GLAMO_SCRIPT_END 0xffff -#define GLAMO_SCRIPT_WAIT 0xfffe -#define GLAMO_SCRIPT_LOCK_PLL 0xfffd - -/* - * couple of people reported artefacts with 2.6.28 changes, this - * allows reversion to 2.6.24 settings -*/ -static const uint16_t reg_0x200[] = { - 0xe03, /* 0 waits on Async BB R & W, Use PLL 2 for mem bus */ - 0xef0, /* 3 waits on Async BB R & W, Use PLL 1 for mem bus */ - 0xea0, /* 2 waits on Async BB R & W, Use PLL 1 for mem bus */ - 0xe50, /* 1 waits on Async BB R & W, Use PLL 1 for mem bus */ - 0xe00, /* 0 waits on Async BB R & W, Use PLL 1 for mem bus */ - 0xef3, /* 3 waits on Async BB R & W, Use PLL 2 for mem bus */ - 0xea3, /* 2 waits on Async BB R & W, Use PLL 2 for mem bus */ - 0xe53, /* 1 waits on Async BB R & W, Use PLL 2 for mem bus */ -}; - -static int glamo_run_script(struct glamo_core *glamo, - const struct glamo_script *script, int len, - int may_sleep) -{ - int i; - uint16_t status; - const struct glamo_script *line = script; - - for (i = 0; i < len; ++i, ++line) { - switch (line->reg) { - case GLAMO_SCRIPT_END: - return 0; - case GLAMO_SCRIPT_WAIT: - if (may_sleep) - msleep(line->val); - else - mdelay(line->val * 4); - break; - case GLAMO_SCRIPT_LOCK_PLL: - /* spin until PLLs lock */ - do { - status = __reg_read(glamo, GLAMO_REG_PLL_GEN5); - } while ((status & 3) != 3); - break; - case 0x200: - __reg_write(glamo, line->reg, - reg_0x200[slow_memory & 0x7]); - break; - default: - __reg_write(glamo, line->reg, line->val); - break; - } - } - - return 0; -} - -static const struct glamo_script glamo_init_script[] = { - { GLAMO_REG_CLOCK_HOST, 0x1000 }, - { GLAMO_SCRIPT_WAIT, 2 }, - { GLAMO_REG_CLOCK_MEMORY, 0x1000 }, - { GLAMO_REG_CLOCK_MEMORY, 0x2000 }, - { GLAMO_REG_CLOCK_LCD, 0x1000 }, - { GLAMO_REG_CLOCK_MMC, 0x1000 }, - { GLAMO_REG_CLOCK_ISP, 0x1000 }, - { GLAMO_REG_CLOCK_ISP, 0x3000 }, - { GLAMO_REG_CLOCK_JPEG, 0x1000 }, - { GLAMO_REG_CLOCK_3D, 0x1000 }, - { GLAMO_REG_CLOCK_3D, 0x3000 }, - { GLAMO_REG_CLOCK_2D, 0x1000 }, - { GLAMO_REG_CLOCK_2D, 0x3000 }, - { GLAMO_REG_CLOCK_RISC1, 0x1000 }, - { GLAMO_REG_CLOCK_MPEG, 0x1000 }, - { GLAMO_REG_CLOCK_MPEG, 0x3000 }, - { GLAMO_REG_CLOCK_MPROC, 0x1000 /*0x100f*/ }, - { GLAMO_SCRIPT_WAIT, 2 }, - { GLAMO_REG_CLOCK_HOST, 0x0000 }, - { GLAMO_REG_CLOCK_MEMORY, 0x0000 }, - { GLAMO_REG_CLOCK_LCD, 0x0000 }, - { GLAMO_REG_CLOCK_MMC, 0x0000 }, - { GLAMO_REG_PLL_GEN1, 0x05db }, /* 48MHz */ - { GLAMO_REG_PLL_GEN3, 0x0aba }, /* 90MHz */ - { GLAMO_SCRIPT_LOCK_PLL, 0 }, - /* - * b9 of this register MUST be zero to get any interrupts on INT# - * the other set bits enable all the engine interrupt sources - */ - { GLAMO_REG_IRQ_ENABLE, 0x0100 }, - { GLAMO_REG_CLOCK_GEN6, 0x2000 }, - { GLAMO_REG_CLOCK_GEN7, 0x0101 }, - { GLAMO_REG_CLOCK_GEN8, 0x0100 }, - { GLAMO_REG_CLOCK_HOST, 0x000d }, - /* - * b7..b4 = 0 = no wait states on read or write - * b0 = 1 select PLL2 for Host interface, b1 = enable it - */ - { GLAMO_REG_HOSTBUS(0), 0x0e03 /* this is replaced by script parser */ }, - { GLAMO_REG_HOSTBUS(1), 0x07ff }, /* TODO: Disable all */ - { GLAMO_REG_HOSTBUS(10), 0x0000 }, - { GLAMO_REG_HOSTBUS(11), 0x4000 }, - { GLAMO_REG_HOSTBUS(12), 0xf00e }, - - /* S-Media recommended "set tiling mode to 512 mode for memory access - * more efficiency when 640x480" */ - { GLAMO_REG_MEM_TYPE, 0x0c74 }, /* 8MB, 16 word pg wr+rd */ - { GLAMO_REG_MEM_GEN, 0xafaf }, /* 63 grants min + max */ - - { GLAMO_REG_MEM_TIMING1, 0x0108 }, - { GLAMO_REG_MEM_TIMING2, 0x0010 }, /* Taa = 3 MCLK */ - { GLAMO_REG_MEM_TIMING3, 0x0000 }, - { GLAMO_REG_MEM_TIMING4, 0x0000 }, /* CE1# delay fall/rise */ - { GLAMO_REG_MEM_TIMING5, 0x0000 }, /* UB# LB# */ - { GLAMO_REG_MEM_TIMING6, 0x0000 }, /* OE# */ - { GLAMO_REG_MEM_TIMING7, 0x0000 }, /* WE# */ - { GLAMO_REG_MEM_TIMING8, 0x1002 }, /* MCLK delay, was 0x1000 */ - { GLAMO_REG_MEM_TIMING9, 0x6006 }, - { GLAMO_REG_MEM_TIMING10, 0x00ff }, - { GLAMO_REG_MEM_TIMING11, 0x0001 }, - { GLAMO_REG_MEM_POWER1, 0x0020 }, - { GLAMO_REG_MEM_POWER2, 0x0000 }, - { GLAMO_REG_MEM_DRAM1, 0x0000 }, - { GLAMO_SCRIPT_WAIT, 1 }, - { GLAMO_REG_MEM_DRAM1, 0xc100 }, - { GLAMO_SCRIPT_WAIT, 1 }, - { GLAMO_REG_MEM_DRAM1, 0xe100 }, - { GLAMO_REG_MEM_DRAM2, 0x01d6 }, - { GLAMO_REG_CLOCK_MEMORY, 0x000b }, -}; - -/* Find out if we can support this version of the Glamo chip */ -static int __devinit glamo_supported(struct glamo_core *glamo) -{ - uint16_t dev_id, rev_id; - - dev_id = __reg_read(glamo, GLAMO_REG_DEVICE_ID); - rev_id = __reg_read(glamo, GLAMO_REG_REVISION_ID); - - switch (dev_id) { - case 0x3650: - switch (rev_id) { - case GLAMO_CORE_REV_A2: - break; - case GLAMO_CORE_REV_A0: - case GLAMO_CORE_REV_A1: - case GLAMO_CORE_REV_A3: - dev_warn(&glamo->pdev->dev, "untested core revision " - "%04x, your mileage may vary\n", rev_id); - break; - default: - dev_warn(&glamo->pdev->dev, "unknown glamo revision " - "%04x, your mileage may vary\n", rev_id); - } - break; - default: - dev_err(&glamo->pdev->dev, "unsupported Glamo device %04x\n", - dev_id); - return 0; - } - - dev_dbg(&glamo->pdev->dev, "Detected Glamo core %04x Revision %04x " - "(%uHz CPU / %uHz Memory)\n", dev_id, rev_id, - glamo_pll_rate(glamo, GLAMO_PLL1), - glamo_pll_rate(glamo, GLAMO_PLL2)); - - return 1; -} - -static int __devinit glamo_probe(struct platform_device *pdev) -{ - int ret = 0, irq, irq_base; - struct glamo_core *glamo; - struct resource *mem; - - glamo = kmalloc(GFP_KERNEL, sizeof(*glamo)); - if (!glamo) - return -ENOMEM; - - spin_lock_init(&glamo->lock); - - glamo->pdev = pdev; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - glamo->irq = platform_get_irq(pdev, 0); - glamo->irq_base = irq_base = platform_get_irq(pdev, 1); - glamo->pdata = pdev->dev.platform_data; - - if (glamo->irq < 0) { - ret = glamo->irq; - dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret); - goto err_free; - } - - if (irq_base < 0) { - ret = glamo->irq; - dev_err(&pdev->dev, "Failed to get glamo irq base: %d\n", ret); - goto err_free; - } - - if (!mem) { - dev_err(&pdev->dev, "Failed to get platform memory\n"); - ret = -ENOENT; - goto err_free; - } - - if (!glamo->pdata) { - dev_err(&pdev->dev, "Missing platform data\n"); - ret = -ENOENT; - goto err_free; - } - - /* only request the generic, hostbus and memory controller registers */ - glamo->mem = request_mem_region(mem->start, GLAMO_REGOFS_VIDCAP, - pdev->name); - - if (!glamo->mem) { - dev_err(&pdev->dev, "Failed to request io memory region\n"); - ret = -ENOENT; - goto err_free; - } - - glamo->base = ioremap(glamo->mem->start, resource_size(glamo->mem)); - if (!glamo->base) { - dev_err(&pdev->dev, "Failed to ioremap() memory region\n"); - goto err_release_mem_region; - } - - /* confirm it isn't insane version */ - if (!glamo_supported(glamo)) { - dev_err(&pdev->dev, - "This version of the Glamo is not supported\n"); - goto err_iounmap; - } - - platform_set_drvdata(pdev, glamo); - - /* sysfs */ - ret = device_create_file(&pdev->dev, &dev_attr_regs); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to create sysfs file\n"); - goto err_iounmap; - } - - /* init the chip with canned register set */ - glamo_run_script(glamo, glamo_init_script, - ARRAY_SIZE(glamo_init_script), 1); - - /* - * finally set the mfd interrupts up - */ - for (irq = irq_base; irq < irq_base + GLAMO_NR_IRQS; ++irq) { -#ifdef CONFIG_ARM - set_irq_flags(irq, IRQF_VALID); -#else - set_irq_noprobe(irq); -#endif - set_irq_chip_data(irq, glamo); - set_irq_chip_and_handler(irq, &glamo_irq_chip, - handle_level_irq); - } - - set_irq_type(glamo->irq, IRQ_TYPE_EDGE_FALLING); - set_irq_data(glamo->irq, glamo); - set_irq_chained_handler(glamo->irq, glamo_irq_demux_handler); - - ret = mfd_add_devices(&pdev->dev, pdev->id, glamo_cells, - ARRAY_SIZE(glamo_cells), mem, glamo->irq_base); - - if (ret) { - dev_err(&pdev->dev, "Failed to add child devices: %d\n", ret); - goto err_free_irqs; - } - - dev_info(&glamo->pdev->dev, "Glamo core PLL1: %uHz, PLL2: %uHz\n", - glamo_pll_rate(glamo, GLAMO_PLL1), - glamo_pll_rate(glamo, GLAMO_PLL2)); - - return 0; - -err_free_irqs: - disable_irq(glamo->irq); - set_irq_chained_handler(glamo->irq, NULL); - set_irq_chip_data(glamo->irq, NULL); - - for (irq = irq_base; irq < irq_base + GLAMO_NR_IRQS; ++irq) { - set_irq_chip(irq, NULL); -#ifdef CONFIG_ARM - set_irq_flags(irq, 0); -#else - set_irq_probe(irq); -#endif - set_irq_chip_data(irq, NULL); - } -err_iounmap: - iounmap(glamo->base); -err_release_mem_region: - release_mem_region(glamo->mem->start, resource_size(glamo->mem)); -err_free: - platform_set_drvdata(pdev, NULL); - kfree(glamo); - - return ret; -} - -static int __devexit glamo_remove(struct platform_device *pdev) -{ - struct glamo_core *glamo = platform_get_drvdata(pdev); - int irq; - int irq_base = glamo->irq_base; - - mfd_remove_devices(&pdev->dev); - - disable_irq(glamo->irq); - set_irq_chained_handler(glamo->irq, NULL); - set_irq_chip_data(glamo->irq, NULL); - - for (irq = irq_base; irq < irq_base + GLAMO_NR_IRQS; ++irq) { -#ifdef CONFIG_ARM - set_irq_flags(irq, 0); -#else - set_irq_noprobe(); -#endif - set_irq_chip(irq, NULL); - set_irq_chip_data(irq, NULL); - } - - platform_set_drvdata(pdev, NULL); - iounmap(glamo->base); - release_mem_region(glamo->mem->start, resource_size(glamo->mem)); - kfree(glamo); - - return 0; -} - -#ifdef CONFIG_PM -#if 0 -static struct glamo_script glamo_resume_script[] = { - - { GLAMO_REG_PLL_GEN1, 0x05db }, /* 48MHz */ - { GLAMO_REG_PLL_GEN3, 0x0aba }, /* 90MHz */ - { GLAMO_REG_DFT_GEN6, 1 }, - { 0xfffe, 100 }, - { 0xfffd, 0 }, - { 0x200, 0x0e03 }, - - /* - * b9 of this register MUST be zero to get any interrupts on INT# - * the other set bits enable all the engine interrupt sources - */ - { GLAMO_REG_IRQ_ENABLE, 0x01ff }, - { GLAMO_REG_CLOCK_HOST, 0x0018 }, - { GLAMO_REG_CLOCK_GEN5_1, 0x18b1 }, - - { GLAMO_REG_MEM_DRAM1, 0x0000 }, - { 0xfffe, 1 }, - { GLAMO_REG_MEM_DRAM1, 0xc100 }, - { 0xfffe, 1 }, - { GLAMO_REG_MEM_DRAM1, 0xe100 }, - { GLAMO_REG_MEM_DRAM2, 0x01d6 }, - { GLAMO_REG_CLOCK_MEMORY, 0x000b }, -}; -#endif - -#if 0 -static void glamo_power(struct glamo_core *glamo) -{ - unsigned long flags; - - spin_lock_irqsave(&glamo->lock, flags); - - /* -Power management -static const REG_VALUE_MASK_TYPE reg_powerOn[] = -{ - { REG_GEN_DFT6, REG_BIT_ALL, REG_DATA(1u << 0) }, - { REG_GEN_PLL3, 0u, REG_DATA(1u << 13) }, - { REG_GEN_MEM_CLK, REG_BIT_ALL, REG_BIT_EN_MOCACLK }, - { REG_MEM_DRAM2, 0u, REG_BIT_EN_DEEP_POWER_DOWN }, - { REG_MEM_DRAM1, 0u, REG_BIT_SELF_REFRESH } -}; - -static const REG_VALUE_MASK_TYPE reg_powerStandby[] = -{ - { REG_MEM_DRAM1, REG_BIT_ALL, REG_BIT_SELF_REFRESH }, - { REG_GEN_MEM_CLK, 0u, REG_BIT_EN_MOCACLK }, - { REG_GEN_PLL3, REG_BIT_ALL, REG_DATA(1u << 13) }, - { REG_GEN_DFT5, REG_BIT_ALL, REG_DATA(1u << 0) } -}; - -static const REG_VALUE_MASK_TYPE reg_powerSuspend[] = -{ - { REG_MEM_DRAM2, REG_BIT_ALL, REG_BIT_EN_DEEP_POWER_DOWN }, - { REG_GEN_MEM_CLK, 0u, REG_BIT_EN_MOCACLK }, - { REG_GEN_PLL3, REG_BIT_ALL, REG_DATA(1u << 13) }, - { REG_GEN_DFT5, REG_BIT_ALL, REG_DATA(1u << 0) } -}; -*/ - switch (new_state) { - case GLAMO_POWER_ON: - - /* - * glamo state on resume is nondeterministic in some - * fundamental way, it has also been observed that the - * Glamo reset pin can get asserted by, eg, touching it with - * a scope probe. So the only answer is to roll with it and - * force an external reset on the Glamo during resume. - */ - - - break; - - case GLAMO_POWER_SUSPEND: - - break; - } - spin_unlock_irqrestore(&glamo->lock, flags); -} -#endif - -static int glamo_suspend(struct device *dev) -{ - struct glamo_core *glamo = dev_get_drvdata(dev); - int n; - - spin_lock(&glamo->lock); - - glamo->saved_irq_mask = __reg_read(glamo, GLAMO_REG_IRQ_ENABLE); - - /* nuke interrupts */ - __reg_write(glamo, GLAMO_REG_IRQ_ENABLE, 0x200); - - /* take down each engine before we kill mem and pll */ - for (n = 0; n < __NUM_GLAMO_ENGINES; n++) { - if (glamo->engine_state != GLAMO_ENGINE_DISABLED) - __glamo_engine_disable(glamo, n); - } - - /* enable self-refresh */ - - __reg_write(glamo, GLAMO_REG_MEM_DRAM1, - GLAMO_MEM_DRAM1_EN_DRAM_REFRESH | - GLAMO_MEM_DRAM1_EN_GATE_CKE | - GLAMO_MEM_DRAM1_SELF_REFRESH | - GLAMO_MEM_REFRESH_COUNT); - __reg_write(glamo, GLAMO_REG_MEM_DRAM1, - GLAMO_MEM_DRAM1_EN_MODEREG_SET | - GLAMO_MEM_DRAM1_EN_DRAM_REFRESH | - GLAMO_MEM_DRAM1_EN_GATE_CKE | - GLAMO_MEM_DRAM1_SELF_REFRESH | - GLAMO_MEM_REFRESH_COUNT); - - /* force RAM into deep powerdown */ - __reg_write(glamo, GLAMO_REG_MEM_DRAM2, - GLAMO_MEM_DRAM2_DEEP_PWRDOWN | - (7 << 6) | /* tRC */ - (1 << 4) | /* tRP */ - (1 << 2) | /* tRCD */ - 2); /* CAS latency */ - - /* disable clocks to memory */ - __reg_write(glamo, GLAMO_REG_CLOCK_MEMORY, 0); - - /* all dividers from OSCI */ - __reg_set_bit_mask(glamo, GLAMO_REG_CLOCK_GEN5_1, 0x400, 0x400); - - /* PLL2 into bypass */ - __reg_set_bit_mask(glamo, GLAMO_REG_PLL_GEN3, 1 << 12, 1 << 12); - - __reg_write(glamo, GLAMO_BASIC_MMC_EN_TCLK_DLYA1, 0x0e00); - - /* kill PLLS 1 then 2 */ - __reg_write(glamo, GLAMO_REG_DFT_GEN5, 0x0001); - __reg_set_bit_mask(glamo, GLAMO_REG_PLL_GEN3, 1 << 13, 1 << 13); - - spin_unlock(&glamo->lock); - - return 0; -} - -static int glamo_resume(struct device *dev) -{ - struct glamo_core *glamo = dev_get_drvdata(dev); - int n; - - (glamo->pdata->glamo_external_reset)(0); - udelay(10); - (glamo->pdata->glamo_external_reset)(1); - mdelay(5); - - spin_lock(&glamo->lock); - - glamo_run_script(glamo, glamo_init_script, - ARRAY_SIZE(glamo_init_script), 0); - - - for (n = 0; n < __NUM_GLAMO_ENGINES; n++) { - switch (glamo->engine_state[n]) { - case GLAMO_ENGINE_SUSPENDED: - __glamo_engine_suspend(glamo, n); - break; - case GLAMO_ENGINE_ENABLED: - __glamo_engine_enable(glamo, n); - break; - default: - break; - } - } - - __reg_write(glamo, GLAMO_REG_IRQ_ENABLE, glamo->saved_irq_mask); - - spin_unlock(&glamo->lock); - - return 0; -} - -static const struct dev_pm_ops glamo_pm_ops = { - .suspend = glamo_suspend, - .resume = glamo_resume, - .poweroff = glamo_suspend, - .restore = glamo_resume, -}; - -#define GLAMO_PM_OPS (&glamo_pm_ops) - -#else -#define GLAMO_PM_OPS NULL -#endif - -static struct platform_driver glamo_driver = { - .probe = glamo_probe, - .remove = __devexit_p(glamo_remove), - .driver = { - .name = "glamo3362", - .owner = THIS_MODULE, - .pm = GLAMO_PM_OPS, - }, -}; - -static int __devinit glamo_init(void) -{ - return platform_driver_register(&glamo_driver); -} -module_init(glamo_init); - -static void __exit glamo_exit(void) -{ - platform_driver_unregister(&glamo_driver); -} -module_exit(glamo_exit); - -MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>"); -MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -MODULE_DESCRIPTION("Smedia Glamo 3362 core/resource driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:glamo3362"); diff --git a/drivers/mfd/glamo/glamo-core.h b/drivers/mfd/glamo/glamo-core.h deleted file mode 100644 index 17017b03fb5..00000000000 --- a/drivers/mfd/glamo/glamo-core.h +++ /dev/null @@ -1,61 +0,0 @@ -#ifndef __GLAMO_CORE_H -#define __GLAMO_CORE_H - -#include <linux/mfd/glamo.h> - -/* for the time being, we put the on-screen framebuffer into the lowest - * VRAM space. This should make the code easily compatible with the various - * 2MB/4MB/8MB variants of the Smedia chips */ -#define GLAMO_OFFSET_VRAM 0x800000 -#define GLAMO_OFFSET_FB (GLAMO_OFFSET_VRAM) - -/* we only allocate the minimum possible size for the framebuffer to make - * sure we have sufficient memory for other functions of the chip */ -/*#define GLAMO_FB_SIZE (640*480*4) *//* == 0x12c000 */ -#define GLAMO_INTERNAL_RAM_SIZE 0x800000 -#define GLAMO_MMC_BUFFER_SIZE (64 * 1024) -#define GLAMO_FB_SIZE (GLAMO_INTERNAL_RAM_SIZE - GLAMO_MMC_BUFFER_SIZE) - -enum glamo_pll { - GLAMO_PLL1, - GLAMO_PLL2, -}; - -enum glamo_engine_state { - GLAMO_ENGINE_DISABLED, - GLAMO_ENGINE_SUSPENDED, - GLAMO_ENGINE_ENABLED, -}; - -struct glamo_core { - int irq; - int irq_base; - int irq_works; /* 0 means PCB does not support Glamo IRQ */ - struct resource *mem; - void __iomem *base; - struct platform_device *pdev; - struct glamo_platform_data *pdata; - enum glamo_engine_state engine_state[__NUM_GLAMO_ENGINES]; - spinlock_t lock; - uint16_t saved_irq_mask; -}; - -struct glamo_script { - uint16_t reg; - uint16_t val; -}; - -int glamo_pll_rate(struct glamo_core *glamo, enum glamo_pll pll); - -int glamo_engine_enable(struct glamo_core *glamo, enum glamo_engine engine); -int glamo_engine_suspend(struct glamo_core *glamo, enum glamo_engine engine); -int glamo_engine_disable(struct glamo_core *glamo, enum glamo_engine engine); -void glamo_engine_reset(struct glamo_core *glamo, enum glamo_engine engine); -int glamo_engine_reclock(struct glamo_core *glamo, - enum glamo_engine engine, int ps); - -void glamo_reg_read_batch(struct glamo_core *glamo, uint16_t reg, - uint16_t count, uint16_t *values); -void glamo_reg_write_batch(struct glamo_core *glamo, uint16_t reg, - uint16_t count, uint16_t *values); -#endif /* __GLAMO_CORE_H */ diff --git a/drivers/mfd/glamo/glamo-fb.c b/drivers/mfd/glamo/glamo-fb.c deleted file mode 100644 index 29c16f019aa..00000000000 --- a/drivers/mfd/glamo/glamo-fb.c +++ /dev/null @@ -1,983 +0,0 @@ -/* Smedia Glamo 336x/337x driver - * - * (C) 2007-2008 by Openmoko, Inc. - * Author: Harald Welte <laforge@openmoko.org> - * 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 as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/console.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/spinlock.h> -#include <linux/io.h> -#include <linux/mfd/glamo.h> - -#include <asm/div64.h> - -#ifdef CONFIG_PM -#include <linux/pm.h> -#endif - -#include <linux/glamofb.h> - -#include "glamo-regs.h" -#include "glamo-core.h" - -static void glamofb_program_mode(struct glamofb_handle *glamo); - -struct glamofb_handle { - struct glamo_core *core; - struct fb_info *fb; - struct device *dev; - struct resource *reg; - struct resource *fb_res; - char __iomem *base; - struct glamo_fb_platform_data *mach_info; - char __iomem *cursor_addr; - int cursor_on; - u_int32_t pseudo_pal[16]; - spinlock_t lock_cmd; - int blank_mode; - int mode_set; /* 0 if the current display mode hasn't been set on the glamo */ - int output_enabled; /* 0 if the video output is disabled */ -}; - -static void glamo_output_enable(struct glamofb_handle *gfb) -{ - struct glamo_core *gcore = gfb->core; - - if (gfb->output_enabled) - return; - - /* enable the pixel clock if off */ - glamo_engine_enable(gcore, GLAMO_ENGINE_LCD); - - gfb->output_enabled = 1; - if (!gfb->mode_set) - glamofb_program_mode(gfb); -} - -static void glamo_output_disable(struct glamofb_handle *gfb) -{ - struct glamo_core *gcore = gfb->core; - - if (!gfb->output_enabled) - return; - - /* enable the pixel clock if off */ - glamo_engine_suspend(gcore, GLAMO_ENGINE_LCD); - - gfb->output_enabled = 0; -} - - -static int reg_read(struct glamofb_handle *glamo, - u_int16_t reg) -{ - int i = 0; - - for (i = 0; i != 2; i++) - nop(); - - return readw(glamo->base + reg); -} - -static void reg_write(struct glamofb_handle *glamo, - uint16_t reg, uint16_t val) -{ - int i = 0; - - for (i = 0; i != 2; i++) - nop(); - - writew(val, glamo->base + reg); -} - -static struct glamo_script glamo_regs[] = { - { GLAMO_REG_LCD_MODE1, 0x0020 }, - /* no display rotation, no hardware cursor, no dither, no gamma, - * no retrace flip, vsync low-active, hsync low active, - * no TVCLK, no partial display, hw dest color from fb, - * no partial display mode, LCD1, software flip, */ - { GLAMO_REG_LCD_MODE2, 0x9020 }, - /* video flip, no ptr, no ptr, dhclk off, - * normal mode, no cpuif, - * res, serial msb first, single fb, no fr ctrl, - * cpu if bits all zero, no crc - * 0000 0000 0010 0000 */ - { GLAMO_REG_LCD_MODE3, 0x0b40 }, - /* src data rgb565, res, 18bit rgb666 - * 000 01 011 0100 0000 */ - { GLAMO_REG_LCD_POLARITY, 0x440c }, - /* DE high active, no cpu/lcd if, cs0 force low, a0 low active, - * np cpu if, 9bit serial data, sclk rising edge latch data - * 01 00 0 100 0 000 01 0 0 */ - /* The following values assume 640*480@16bpp */ - { GLAMO_REG_LCD_A_BASE1, 0x0000 }, /* display A base address 15:0 */ - { GLAMO_REG_LCD_A_BASE2, 0x0000 }, /* display A base address 22:16 */ - { GLAMO_REG_LCD_CURSOR_BASE1, 0xC000 }, /* cursor base address 15:0 */ - { GLAMO_REG_LCD_CURSOR_BASE2, 0x0012 }, /* cursor base address 22:16 */ - { GLAMO_REG_LCD_COMMAND2, 0x0000 }, /* display page A */ -}; - -static int glamofb_run_script(struct glamofb_handle *glamo, - struct glamo_script *script, int len) -{ - int i; - - for (i = 0; i < len; i++) { - struct glamo_script *line = &script[i]; - - if (line->reg == 0xffff) - return 0; - else if (line->reg == 0xfffe) - msleep(line->val); - else - reg_write(glamo, script[i].reg, script[i].val); - } - - return 0; -} - -static int glamofb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - struct glamofb_handle *glamo = info->par; - - if (var->bits_per_pixel != 16) - var->bits_per_pixel = 16; - - var->height = glamo->mach_info->height; - var->width = glamo->mach_info->width; - - /* FIXME: set rgb positions */ - switch (var->bits_per_pixel) { - case 16: - switch (reg_read(glamo, GLAMO_REG_LCD_MODE3) & 0xc000) { - case GLAMO_LCD_SRC_RGB565: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - var->transp.length = 0; - break; - case GLAMO_LCD_SRC_ARGB1555: - var->transp.offset = 15; - var->red.offset = 10; - var->green.offset = 5; - var->blue.offset = 0; - var->transp.length = 1; - var->red.length = 5; - var->green.length = 5; - var->blue.length = 5; - break; - case GLAMO_LCD_SRC_ARGB4444: - var->transp.offset = 12; - var->red.offset = 8; - var->green.offset = 4; - var->blue.offset = 0; - var->transp.length = 4; - var->red.length = 4; - var->green.length = 4; - var->blue.length = 4; - break; - } - break; - case 24: - case 32: - default: - /* The Smedia Glamo doesn't support anything but 16bit color */ - printk(KERN_ERR - "Smedia driver does not [yet?] support 24/32bpp\n"); - return -EINVAL; - } - - return 0; -} - -static void reg_set_bit_mask(struct glamofb_handle *glamo, - uint16_t reg, uint16_t mask, - uint16_t val) -{ - u_int16_t tmp; - - val &= mask; - - tmp = reg_read(glamo, reg); - tmp &= ~mask; - tmp |= val; - reg_write(glamo, reg, tmp); -} - -#define GLAMO_LCD_WIDTH_MASK 0x03FF -#define GLAMO_LCD_HEIGHT_MASK 0x03FF -#define GLAMO_LCD_PITCH_MASK 0x07FE -#define GLAMO_LCD_HV_TOTAL_MASK 0x03FF -#define GLAMO_LCD_HV_RETR_START_MASK 0x03FF -#define GLAMO_LCD_HV_RETR_END_MASK 0x03FF -#define GLAMO_LCD_HV_RETR_DISP_START_MASK 0x03FF -#define GLAMO_LCD_HV_RETR_DISP_END_MASK 0x03FF - -/* the caller has to enxure lock_cmd is held and we are in cmd mode */ -static void __rotate_lcd(struct glamofb_handle *glamo, __u32 rotation) -{ - int glamo_rot; - - switch (rotation) { - case FB_ROTATE_CW: - glamo_rot = GLAMO_LCD_ROT_MODE_90; - break; - case FB_ROTATE_UD: - glamo_rot = GLAMO_LCD_ROT_MODE_180; - break; - case FB_ROTATE_CCW: - glamo_rot = GLAMO_LCD_ROT_MODE_270; - break; - default: - glamo_rot = GLAMO_LCD_ROT_MODE_0; - break; - } - - reg_set_bit_mask(glamo, - GLAMO_REG_LCD_WIDTH, - GLAMO_LCD_ROT_MODE_MASK, - glamo_rot); - reg_set_bit_mask(glamo, - GLAMO_REG_LCD_MODE1, - GLAMO_LCD_MODE1_ROTATE_EN, - (glamo_rot != GLAMO_LCD_ROT_MODE_0) ? - GLAMO_LCD_MODE1_ROTATE_EN : 0); -} - -static void glamofb_program_mode(struct glamofb_handle *gfb) -{ - int sync, bp, disp, fp, total; - unsigned long flags; - struct glamo_core *gcore = gfb->core; - struct fb_var_screeninfo *var = &gfb->fb->var; - - dev_dbg(&gcore->pdev->dev, - "glamofb_program_mode spin_lock_irqsave\n"); - spin_lock_irqsave(&gfb->lock_cmd, flags); - - if (glamofb_cmd_mode(gfb, 1)) - goto out_unlock; - - if (var->pixclock) - glamo_engine_reclock(gcore, GLAMO_ENGINE_LCD, - (1000000000UL / gfb->fb->var.pixclock) * 1000); - - reg_set_bit_mask(gfb, - GLAMO_REG_LCD_WIDTH, - GLAMO_LCD_WIDTH_MASK, - var->xres); - reg_set_bit_mask(gfb, - GLAMO_REG_LCD_HEIGHT, - GLAMO_LCD_HEIGHT_MASK, - var->yres); - reg_set_bit_mask(gfb, - GLAMO_REG_LCD_PITCH, - GLAMO_LCD_PITCH_MASK, - gfb->fb->fix.line_length); - - /* honour the rotation request */ - __rotate_lcd(gfb, var->rotate); - - /* update scannout timings */ - sync = 0; - bp = sync + var->hsync_len; - disp = bp + var->left_margin; - fp = disp + var->xres; - total = fp + var->right_margin; - - reg_set_bit_mask(gfb, GLAMO_REG_LCD_HORIZ_TOTAL, - GLAMO_LCD_HV_TOTAL_MASK, total); - reg_set_bit_mask(gfb, GLAMO_REG_LCD_HORIZ_RETR_START, - GLAMO_LCD_HV_RETR_START_MASK, sync); - reg_set_bit_mask(gfb, GLAMO_REG_LCD_HORIZ_RETR_END, - GLAMO_LCD_HV_RETR_END_MASK, bp); - reg_set_bit_mask(gfb, GLAMO_REG_LCD_HORIZ_DISP_START, - GLAMO_LCD_HV_RETR_DISP_START_MASK, disp); - reg_set_bit_mask(gfb, GLAMO_REG_LCD_HORIZ_DISP_END, - GLAMO_LCD_HV_RETR_DISP_END_MASK, fp); - - sync = 0; - bp = sync + var->vsync_len; - disp = bp + var->upper_margin; - fp = disp + var->yres; - total = fp + var->lower_margin; - - reg_set_bit_mask(gfb, GLAMO_REG_LCD_VERT_TOTAL, - GLAMO_LCD_HV_TOTAL_MASK, total); - reg_set_bit_mask(gfb, GLAMO_REG_LCD_VERT_RETR_START, - GLAMO_LCD_HV_RETR_START_MASK, sync); - reg_set_bit_mask(gfb, GLAMO_REG_LCD_VERT_RETR_END, - GLAMO_LCD_HV_RETR_END_MASK, bp); - reg_set_bit_mask(gfb, GLAMO_REG_LCD_VERT_DISP_START, - GLAMO_LCD_HV_RETR_DISP_START_MASK, disp); - reg_set_bit_mask(gfb, GLAMO_REG_LCD_VERT_DISP_END, - GLAMO_LCD_HV_RETR_DISP_END_MASK, fp); - - glamofb_cmd_mode(gfb, 0); - - gfb->mode_set = 1; - -out_unlock: - dev_dbg(&gcore->pdev->dev, - "glamofb_program_mode spin_unlock_irqrestore\n"); - spin_unlock_irqrestore(&gfb->lock_cmd, flags); -} - - -static int glamofb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - return 0; -} - -static struct fb_videomode *glamofb_find_mode(struct fb_info *info, - struct fb_var_screeninfo *var) -{ - struct glamofb_handle *glamo = info->par; - struct glamo_fb_platform_data *pdata = glamo->mach_info; - struct fb_videomode *mode; - int i; - - for (i = pdata->num_modes, mode = pdata->modes; i; --i, ++mode) { - if (mode->xres == var->xres && - mode->yres == var->yres) - return mode; - } - - return NULL; -} - -static int glamofb_set_par(struct fb_info *info) -{ - struct glamofb_handle *glamo = info->par; - struct fb_var_screeninfo *var = &info->var; - struct fb_videomode *mode; - - mode = glamofb_find_mode(info, var); - if (!mode) - return -EINVAL; - - fb_videomode_to_var(var, mode); - - info->mode = mode; - - glamo->mode_set = 0; - - switch (var->rotate) { - case FB_ROTATE_CW: - case FB_ROTATE_CCW: - info->fix.line_length = (var->yres * var->bits_per_pixel) / 8; - /* FIXME: Limit pixelclock */ - var->pixclock *= 2; - break; - default: - info->fix.line_length = (var->xres * var->bits_per_pixel) / 8; - break; - } - - if (glamo->output_enabled) - glamofb_program_mode(glamo); - - return 0; -} - -static int glamofb_blank(int blank_mode, struct fb_info *info) -{ - struct glamofb_handle *gfb = info->par; - - dev_dbg(gfb->dev, "glamofb_blank(%u)\n", blank_mode); - - switch (blank_mode) { - case FB_BLANK_VSYNC_SUSPEND: - case FB_BLANK_HSYNC_SUSPEND: - /* FIXME: add pdata hook/flag to indicate whether - * we should already switch off pixel clock here */ - break; - case FB_BLANK_POWERDOWN: - /* disable the pixel clock */ - glamo_output_disable(gfb); - gfb->blank_mode = blank_mode; - break; - case FB_BLANK_UNBLANK: - case FB_BLANK_NORMAL: - glamo_output_enable(gfb); - gfb->blank_mode = blank_mode; - break; - } - - /* FIXME: once we have proper clock management in glamo-core, - * we can determine if other units need MCLK1 or the PLL, and - * disable it if not used. */ - return 0; -} - -static inline unsigned int chan_to_field(unsigned int chan, - struct fb_bitfield *bf) -{ - chan &= 0xffff; - chan >>= 16 - bf->length; - return chan << bf->offset; -} - -static int glamofb_setcolreg(unsigned regno, - unsigned red, unsigned green, unsigned blue, - unsigned transp, struct fb_info *info) -{ - struct glamofb_handle *glamo = info->par; - unsigned int val; - - switch (glamo->fb->fix.visual) { - case FB_VISUAL_TRUECOLOR: - case FB_VISUAL_DIRECTCOLOR: - /* true-colour, use pseuo-palette */ - - if (regno < 16) { - u32 *pal = glamo->fb->pseudo_palette; - - val = chan_to_field(red, &glamo->fb->var.red); - val |= chan_to_field(green, &glamo->fb->var.green); - val |= chan_to_field(blue, &glamo->fb->var.blue); - - pal[regno] = val; - }; - break; - default: - return 1; /* unknown type */ - } - - return 0; -} - -static int glamofb_ioctl(struct fb_info *info, unsigned int cmd, - unsigned long arg) -{ - struct glamofb_handle *gfb = (struct glamofb_handle *)info->par; - struct glamo_core *gcore = gfb->core; - int retval = -ENOTTY; - - switch (cmd) { - case GLAMOFB_ENGINE_ENABLE: - retval = glamo_engine_enable(gcore, arg); - break; - case GLAMOFB_ENGINE_DISABLE: - retval = glamo_engine_disable(gcore, arg); - break; - case GLAMOFB_ENGINE_RESET: - glamo_engine_reset(gcore, arg); - retval = 0; - break; - default: - break; - } - - return retval; -} - - -#ifdef CONFIG_MFD_GLAMO_HWACCEL -static inline void glamofb_vsync_wait(struct glamofb_handle *glamo, - int line, int size, int range) -{ - int count[2]; - - do { - count[0] = reg_read(glamo, GLAMO_REG_LCD_STATUS2) & 0x3ff; - count[1] = reg_read(glamo, GLAMO_REG_LCD_STATUS2) & 0x3ff; - } while (count[0] != count[1] || - (line < count[0] + range && - size > count[0] - range) || - count[0] < range * 2); -} - -/* - * Enable/disable the hardware cursor mode altogether - * (for blinking and such, use glamofb_cursor()). - */ -static void glamofb_cursor_onoff(struct glamofb_handle *glamo, int on) -{ - int y, size; - - if (glamo->cursor_on) { - y = reg_read(glamo, GLAMO_REG_LCD_CURSOR_Y_POS); - size = reg_read(glamo, GLAMO_REG_LCD_CURSOR_Y_SIZE); - - glamofb_vsync_wait(glamo, y, size, 30); - } - - reg_set_bit_mask(glamo, GLAMO_REG_LCD_MODE1, - GLAMO_LCD_MODE1_CURSOR_EN, - on ? GLAMO_LCD_MODE1_CURSOR_EN : 0); - glamo->cursor_on = on; - - /* Hide the cursor by default */ - reg_write(glamo, GLAMO_REG_LCD_CURSOR_X_SIZE, 0); -} - -static int glamofb_cursor(struct fb_info *info, struct fb_cursor *cursor) -{ - struct glamofb_handle *glamo = info->par; - unsigned long flags; - - spin_lock_irqsave(&glamo->lock_cmd, flags); - - reg_write(glamo, GLAMO_REG_LCD_CURSOR_X_SIZE, - cursor->enable ? cursor->image.width : 0); - - if (cursor->set & FB_CUR_SETPOS) { - reg_write(glamo, GLAMO_REG_LCD_CURSOR_X_POS, - cursor->image.dx); - reg_write(glamo, GLAMO_REG_LCD_CURSOR_Y_POS, - cursor->image.dy); - } - - if (cursor->set & FB_CUR_SETCMAP) { - uint16_t fg = glamo->pseudo_pal[cursor->image.fg_color]; - uint16_t bg = glamo->pseudo_pal[cursor->image.bg_color]; - - reg_write(glamo, GLAMO_REG_LCD_CURSOR_FG_COLOR, fg); - reg_write(glamo, GLAMO_REG_LCD_CURSOR_BG_COLOR, bg); - reg_write(glamo, GLAMO_REG_LCD_CURSOR_DST_COLOR, fg); - } - - if (cursor->set & FB_CUR_SETHOT) - reg_write(glamo, GLAMO_REG_LCD_CURSOR_PRESET, - (cursor->hot.x << 8) | cursor->hot.y); - - if ((cursor->set & FB_CUR_SETSIZE) || - (cursor->set & (FB_CUR_SETIMAGE | FB_CUR_SETSHAPE))) { - int x, y, pitch, op; - const uint8_t *pcol = cursor->image.data; - const uint8_t *pmsk = cursor->mask; - uint8_t __iomem *dst = glamo->cursor_addr; - uint8_t dcol = 0; - uint8_t dmsk = 0; - uint8_t byte = 0; - - if (cursor->image.depth > 1) { - spin_unlock_irqrestore(&glamo->lock_cmd, flags); - return -EINVAL; - } - - pitch = ((cursor->image.width + 7) >> 2) & ~1; - reg_write(glamo, GLAMO_REG_LCD_CURSOR_PITCH, - pitch); - reg_write(glamo, GLAMO_REG_LCD_CURSOR_Y_SIZE, - cursor->image.height); - - for (y = 0; y < cursor->image.height; y++) { - byte = 0; - for (x = 0; x < cursor->image.width; x++) { - if ((x % 8) == 0) { - dcol = *pcol++; - dmsk = *pmsk++; - } else { - dcol >>= 1; - dmsk >>= 1; - } - - if (cursor->rop == ROP_COPY) - op = (dmsk & 1) ? - (dcol & 1) ? 1 : 3 : 0; - else - op = ((dmsk & 1) << 1) | - ((dcol & 1) << 0); - byte |= op << ((x & 3) << 1); - - if (x % 4 == 3) { - writeb(byte, dst + x / 4); - byte = 0; - } - } - if (x % 4) { - writeb(byte, dst + x / 4); - byte = 0; - } - - dst += pitch; - } - } - - spin_unlock_irqrestore(&glamo->lock_cmd, flags); - - return 0; -} -#endif - -static inline int glamofb_cmdq_empty(struct glamofb_handle *gfb) -{ - /* DGCMdQempty -- 1 == command queue is empty */ - return reg_read(gfb, GLAMO_REG_LCD_STATUS1) & (1 << 15); -} - -/* call holding gfb->lock_cmd when locking, until you unlock */ -int glamofb_cmd_mode(struct glamofb_handle *gfb, int on) -{ - int timeout = 2000000; - - dev_dbg(gfb->dev, "glamofb_cmd_mode(gfb=%p, on=%d)\n", gfb, on); - if (on) { - dev_dbg(gfb->dev, "%s: waiting for cmdq empty: ", - __func__); - while (!glamofb_cmdq_empty(gfb) && (timeout--)) - cpu_relax(); - if (timeout < 0) { - printk(KERN_ERR "glamofb cmd_queue never got empty\n"); - return -EIO; - } - dev_dbg(gfb->dev, "empty!\n"); - - /* display the entire frame then switch to command */ - reg_write(gfb, GLAMO_REG_LCD_COMMAND1, - GLAMO_LCD_CMD_TYPE_DISP | - GLAMO_LCD_CMD_DATA_FIRE_VSYNC); - - /* wait until lcd idle */ - dev_dbg(gfb->dev, "waiting for lcd idle: "); - timeout = 2000000; - while (!(reg_read(gfb, GLAMO_REG_LCD_STATUS2) & (1 << 12)) && - (timeout--)) - cpu_relax(); - if (timeout < 0) { - printk(KERN_ERR"*************" - "glamofb lcd never idle" - "*************\n"); - return -EIO; - } - - mdelay(100); - - dev_dbg(gfb->dev, "cmd mode entered\n"); - - } else { - /* RGB interface needs vsync/hsync */ - if (reg_read(gfb, GLAMO_REG_LCD_MODE3) & GLAMO_LCD_MODE3_RGB) - reg_write(gfb, GLAMO_REG_LCD_COMMAND1, - GLAMO_LCD_CMD_TYPE_DISP | - GLAMO_LCD_CMD_DATA_DISP_SYNC); - - reg_write(gfb, GLAMO_REG_LCD_COMMAND1, - GLAMO_LCD_CMD_TYPE_DISP | - GLAMO_LCD_CMD_DATA_DISP_FIRE); - } - - return 0; -} -EXPORT_SYMBOL_GPL(glamofb_cmd_mode); - - -int glamofb_cmd_write(struct glamofb_handle *gfb, u_int16_t val) -{ - int timeout = 200000; - - dev_dbg(gfb->dev, "%s: waiting for cmdq empty\n", __func__); - while ((!glamofb_cmdq_empty(gfb)) && (timeout--)) - yield(); - if (timeout < 0) { - printk(KERN_ERR"*************" - "glamofb cmd_queue never got empty" - "*************\n"); - return 1; - } - dev_dbg(gfb->dev, "idle, writing 0x%04x\n", val); - - reg_write(gfb, GLAMO_REG_LCD_COMMAND1, val); - - return 0; -} -EXPORT_SYMBOL_GPL(glamofb_cmd_write); - -static struct fb_ops glamofb_ops = { - .owner = THIS_MODULE, - .fb_check_var = glamofb_check_var, - .fb_pan_display = glamofb_pan_display, - .fb_set_par = glamofb_set_par, - .fb_blank = glamofb_blank, - .fb_setcolreg = glamofb_setcolreg, - .fb_ioctl = glamofb_ioctl, -#ifdef CONFIG_MFD_GLAMO_HWACCEL - .fb_cursor = glamofb_cursor, -#endif - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, -}; - -static int glamofb_init_regs(struct glamofb_handle *glamo) -{ - struct fb_info *info = glamo->fb; - - glamofb_check_var(&info->var, info); - glamofb_run_script(glamo, glamo_regs, ARRAY_SIZE(glamo_regs)); - glamofb_set_par(info); - - return 0; -} - -static int __init glamofb_probe(struct platform_device *pdev) -{ - int rc = -EIO; - struct fb_info *fbinfo; - struct glamofb_handle *glamofb; - struct glamo_core *core = dev_get_drvdata(pdev->dev.parent); - struct glamo_fb_platform_data *mach_info; - - printk(KERN_INFO "SMEDIA Glamo frame buffer driver (C) 2007 " - "Openmoko, Inc.\n"); - - if (!core->pdata || !core->pdata->fb_data) - return -ENOENT; - - - fbinfo = framebuffer_alloc(sizeof(struct glamofb_handle), &pdev->dev); - if (!fbinfo) - return -ENOMEM; - - - glamofb = fbinfo->par; - glamofb->fb = fbinfo; - glamofb->dev = &pdev->dev; - - glamofb->blank_mode = FB_BLANK_POWERDOWN; - - strcpy(fbinfo->fix.id, "SMedia Glamo"); - - glamofb->reg = platform_get_resource_byname(pdev, IORESOURCE_MEM, - "glamo-fb-regs"); - if (!glamofb->reg) { - dev_err(&pdev->dev, "platform device with no registers?\n"); - rc = -ENOENT; - goto out_free; - } - - glamofb->fb_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, - "glamo-fb-mem"); - if (!glamofb->fb_res) { - dev_err(&pdev->dev, "platform device with no memory ?\n"); - rc = -ENOENT; - goto out_free; - } - - glamofb->reg = request_mem_region(glamofb->reg->start, - resource_size(glamofb->reg), - pdev->name); - if (!glamofb->reg) { - dev_err(&pdev->dev, "failed to request mmio region\n"); - goto out_free; - } - - glamofb->fb_res = request_mem_region(glamofb->fb_res->start, - resource_size(glamofb->fb_res), - pdev->name); - if (!glamofb->fb_res) { - dev_err(&pdev->dev, "failed to request vram region\n"); - goto out_release_reg; - } - - /* we want to remap only the registers required for this core - * driver. */ - glamofb->base = ioremap_nocache(glamofb->reg->start, - resource_size(glamofb->reg)); - if (!glamofb->base) { - dev_err(&pdev->dev, "failed to ioremap() mmio memory\n"); - goto out_release_fb; - } - - fbinfo->fix.smem_start = (unsigned long) glamofb->fb_res->start; - fbinfo->fix.smem_len = (__u32) resource_size(glamofb->fb_res); - - fbinfo->screen_base = ioremap(glamofb->fb_res->start, - resource_size(glamofb->fb_res)); - if (!fbinfo->screen_base) { - dev_err(&pdev->dev, "failed to ioremap() vram memory\n"); - goto out_release_fb; - } - glamofb->cursor_addr = fbinfo->screen_base + 0x12C000; - - platform_set_drvdata(pdev, glamofb); - - mach_info = core->pdata->fb_data; - glamofb->core = core; - glamofb->mach_info = mach_info; - - fbinfo->fix.visual = FB_VISUAL_TRUECOLOR; - fbinfo->fix.type = FB_TYPE_PACKED_PIXELS; - fbinfo->fix.type_aux = 0; - fbinfo->fix.xpanstep = 0; - fbinfo->fix.ypanstep = 0; - fbinfo->fix.ywrapstep = 0; - fbinfo->fix.accel = FB_ACCEL_GLAMO; - - - fbinfo->fbops = &glamofb_ops; - fbinfo->flags = FBINFO_FLAG_DEFAULT; - fbinfo->pseudo_palette = &glamofb->pseudo_pal; - - fbinfo->mode = mach_info->modes; - fb_videomode_to_var(&fbinfo->var, fbinfo->mode); - fbinfo->var.bits_per_pixel = 16; - fbinfo->var.nonstd = 0; - fbinfo->var.activate = FB_ACTIVATE_NOW; - fbinfo->var.height = mach_info->height; - fbinfo->var.width = mach_info->width; - fbinfo->var.accel_flags = 0; - fbinfo->var.vmode = FB_VMODE_NONINTERLACED; - - glamo_engine_enable(core, GLAMO_ENGINE_LCD); - glamo_engine_reset(core, GLAMO_ENGINE_LCD); - glamofb->output_enabled = 1; - glamofb->mode_set = 1; - - dev_info(&pdev->dev, "spin_lock_init\n"); - spin_lock_init(&glamofb->lock_cmd); - glamofb_init_regs(glamofb); -#ifdef CONFIG_MFD_GLAMO_HWACCEL - glamofb_cursor_onoff(glamofb, 1); -#endif - - fb_videomode_to_modelist(mach_info->modes, mach_info->num_modes, - &fbinfo->modelist); - - rc = register_framebuffer(fbinfo); - if (rc < 0) { - dev_err(&pdev->dev, "failed to register framebuffer\n"); - goto out_unmap_fb; - } - - printk(KERN_INFO "fb%d: %s frame buffer device\n", - fbinfo->node, fbinfo->fix.id); - - return 0; - -out_unmap_fb: - iounmap(fbinfo->screen_base); - iounmap(glamofb->base); -out_release_fb: - release_mem_region(glamofb->fb_res->start, - resource_size(glamofb->fb_res)); -out_release_reg: - release_mem_region(glamofb->reg->start, - resource_size(glamofb->reg)); -out_free: - framebuffer_release(fbinfo); - return rc; -} - -static int glamofb_remove(struct platform_device *pdev) -{ - struct glamofb_handle *glamofb = platform_get_drvdata(pdev); - - platform_set_drvdata(pdev, NULL); - iounmap(glamofb->base); - release_mem_region(glamofb->reg->start, resource_size(glamofb->reg)); - - framebuffer_release(glamofb->fb); - - return 0; -} - -#ifdef CONFIG_PM - -static int glamofb_suspend(struct device *dev) -{ - struct glamofb_handle *gfb = dev_get_drvdata(dev); - - acquire_console_sem(); - fb_set_suspend(gfb->fb, 1); - release_console_sem(); - - /* seriously -- nobody is allowed to touch glamo memory when we - * are suspended or we lock on nWAIT - */ - /* iounmap(gfb->fb->screen_base); */ - - return 0; -} - -static int glamofb_resume(struct device *dev) -{ - struct glamofb_handle *gfb = dev_get_drvdata(dev); - - /* OK let's allow framebuffer ops again */ - /* gfb->fb->screen_base = ioremap(gfb->fb_res->start, - resource_size(gfb->fb_res)); */ - glamo_engine_enable(gfb->core, GLAMO_ENGINE_LCD); - glamo_engine_reset(gfb->core, GLAMO_ENGINE_LCD); - - glamofb_init_regs(gfb); -#ifdef CONFIG_MFD_GLAMO_HWACCEL - glamofb_cursor_onoff(gfb, 1); -#endif - - acquire_console_sem(); - fb_set_suspend(gfb->fb, 0); - release_console_sem(); - - return 0; -} - -static const struct dev_pm_ops glamofb_pm_ops = { - .suspend = glamofb_suspend, - .resume = glamofb_resume, -}; - -#define GLAMOFB_PM_OPS (&glamofb_pm_ops) - -#else -#define GLAMOFB_PM_OPS NULL -#endif - -static struct platform_driver glamofb_driver = { - .probe = glamofb_probe, - .remove = glamofb_remove, - .driver = { - .name = "glamo-fb", - .owner = THIS_MODULE, - .pm = GLAMOFB_PM_OPS - }, -}; - -static int __devinit glamofb_init(void) -{ - return platform_driver_register(&glamofb_driver); -} - -static void __exit glamofb_cleanup(void) -{ - platform_driver_unregister(&glamofb_driver); -} - -module_init(glamofb_init); -module_exit(glamofb_cleanup); - -MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>"); -MODULE_DESCRIPTION("Smedia Glamo 336x/337x framebuffer driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:glamo-fb"); diff --git a/drivers/mfd/glamo/glamo-gpio.c b/drivers/mfd/glamo/glamo-gpio.c deleted file mode 100644 index 30ee6ed1d9a..00000000000 --- a/drivers/mfd/glamo/glamo-gpio.c +++ /dev/null @@ -1,285 +0,0 @@ -/* Smedia Glamo 336x/337x gpio driver - * - * (C) 2009 Lars-Peter Clausen - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <linux/io.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/spinlock.h> - -#include <linux/gpio.h> -#include <linux/mfd/glamo.h> - -#include "glamo-core.h" -#include "glamo-regs.h" - -#define GLAMO_NR_GPIO 21 -#define GLAMO_NR_GPIO_REGS DIV_ROUND_UP(GLAMO_NR_GPIO, 4) - -#define GLAMO_REG_GPIO(x) (((x) * 2) + GLAMO_REG_GPIO_GEN1) - -struct glamo_gpio { - struct glamo_core *glamo; - struct gpio_chip chip; - uint16_t saved_regs[GLAMO_NR_GPIO_REGS]; -}; - -#define REG_OF_GPIO(gpio) (GLAMO_REG_GPIO(gpio >> 2)) -#define NUM_OF_GPIO(gpio) (gpio & 0x3) -#define DIRECTION_BIT(gpio) (1 << (NUM_OF_GPIO(gpio) + 0)) -#define OUTPUT_BIT(gpio) (1 << (NUM_OF_GPIO(gpio) + 4)) -#define INPUT_BIT(gpio) (1 << (NUM_OF_GPIO(gpio) + 8)) -#define FUNC_BIT(gpio) (1 << (NUM_OF_GPIO(gpio) + 12)) - - -static inline struct glamo_core *chip_to_glamo(struct gpio_chip *chip) -{ - return container_of(chip, struct glamo_gpio, chip)->glamo; -} - -static void glamo_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - struct glamo_core *glamo = chip_to_glamo(chip); - unsigned int reg = REG_OF_GPIO(offset); - u_int16_t tmp; - - spin_lock(&glamo->lock); - tmp = readw(glamo->base + reg); - if (value) - tmp |= OUTPUT_BIT(offset); - else - tmp &= ~OUTPUT_BIT(offset); - writew(tmp, glamo->base + reg); - spin_unlock(&glamo->lock); -} - -static int glamo_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - struct glamo_core *glamo = chip_to_glamo(chip); - return !!(readw(glamo->base + REG_OF_GPIO(offset)) & INPUT_BIT(offset)); -} - -static int glamo_gpio_request(struct gpio_chip *chip, unsigned offset) -{ - struct glamo_core *glamo = chip_to_glamo(chip); - unsigned int reg = REG_OF_GPIO(offset); - u_int16_t tmp; - - spin_lock(&glamo->lock); - tmp = readw(glamo->base + reg); - if ((tmp & FUNC_BIT(offset)) == 0) { - tmp |= FUNC_BIT(offset); - writew(tmp, glamo->base + reg); - } - spin_unlock(&glamo->lock); - - return 0; -} - -static void glamo_gpio_free(struct gpio_chip *chip, unsigned offset) -{ - struct glamo_core *glamo = chip_to_glamo(chip); - unsigned int reg = REG_OF_GPIO(offset); - u_int16_t tmp; - - spin_lock(&glamo->lock); - tmp = readw(glamo->base + reg); - if ((tmp & FUNC_BIT(offset)) == 1) { - tmp &= ~FUNC_BIT(offset); - writew(tmp, glamo->base + reg); - } - spin_unlock(&glamo->lock); -} - -static int glamo_gpio_direction_output(struct gpio_chip *chip, unsigned offset, - int value) -{ - struct glamo_core *glamo = chip_to_glamo(chip); - unsigned int reg = REG_OF_GPIO(offset); - u_int16_t tmp; - - spin_lock(&glamo->lock); - tmp = readw(glamo->base + reg); - tmp &= ~DIRECTION_BIT(offset); - - if (value) - tmp |= OUTPUT_BIT(offset); - else - tmp &= ~OUTPUT_BIT(offset); - - writew(tmp, glamo->base + reg); - spin_unlock(&glamo->lock); - - return 0; -} - -static int glamo_gpio_direction_input(struct gpio_chip *chip, unsigned offset) -{ - struct glamo_core *glamo = chip_to_glamo(chip); - unsigned int reg = REG_OF_GPIO(offset); - u_int16_t tmp; - - spin_lock(&glamo->lock); - tmp = readw(glamo->base + reg); - if ((tmp & DIRECTION_BIT(offset)) == 0) { - tmp |= DIRECTION_BIT(offset); - writew(tmp, glamo->base + reg); - } - spin_unlock(&glamo->lock); - - return 0; -} - -static const struct __devinit gpio_chip glamo_gpio_chip = { - .label = "glamo", - .request = glamo_gpio_request, - .free = glamo_gpio_free, - .direction_input = glamo_gpio_direction_input, - .get = glamo_gpio_get, - .direction_output = glamo_gpio_direction_output, - .set = glamo_gpio_set, - .base = -1, - .ngpio = GLAMO_NR_GPIO, - .can_sleep = 0, - .owner = THIS_MODULE, -}; - -static int __devinit glamo_gpio_probe(struct platform_device *pdev) -{ - struct glamo_platform_data *pdata = pdev->dev.parent->platform_data; - struct glamo_gpio *glamo_gpio; - int ret; - - glamo_gpio = kzalloc(sizeof(struct glamo_gpio), GFP_KERNEL); - if (!glamo_gpio) - return -ENOMEM; - - glamo_gpio->glamo = dev_get_drvdata(pdev->dev.parent); - glamo_gpio->chip = glamo_gpio_chip; - glamo_gpio->chip.dev = &pdev->dev; - if (pdata && pdata->gpio_data) - glamo_gpio->chip.base = pdata->gpio_data->base; - - ret = gpiochip_add(&glamo_gpio->chip); - - if (ret) { - dev_err(&pdev->dev, "Could not register gpio chip: %d\n", ret); - goto err; - } - - platform_set_drvdata(pdev, glamo_gpio); - - if (pdata && pdata->gpio_data && pdata->gpio_data->registered) - pdata->gpio_data->registered(&pdev->dev); - - return 0; -err: - kfree(glamo_gpio); - return ret; -} - -static int __devexit glamo_gpio_remove(struct platform_device *pdev) -{ - struct glamo_gpio *glamo_gpio = platform_get_drvdata(pdev); - int ret; - - ret = gpiochip_remove(&glamo_gpio->chip); - if (!ret) - goto done; - - platform_set_drvdata(pdev, NULL); - kfree(glamo_gpio); - -done: - return ret; -} - -#ifdef CONFIG_PM - -static int glamo_gpio_suspend(struct device *dev) -{ - struct glamo_gpio *glamo_gpio = dev_get_drvdata(dev); - struct glamo_core *glamo = glamo_gpio->glamo; - uint16_t *saved_regs = glamo_gpio->saved_regs; - int i; - - spin_lock(&glamo->lock); - for (i = 0; i < GLAMO_NR_GPIO / 4; ++i) - saved_regs[i] = readw(glamo->base + GLAMO_REG_GPIO(i)); - spin_unlock(&glamo->lock); - - return 0; -} - -static int glamo_gpio_resume(struct device *dev) -{ - struct glamo_gpio *glamo_gpio = dev_get_drvdata(dev); - struct glamo_core *glamo = glamo_gpio->glamo; - uint16_t *saved_regs = glamo_gpio->saved_regs; - int i; - - spin_lock(&glamo->lock); - for (i = 0; i < GLAMO_NR_GPIO_REGS; ++i) - writew(saved_regs[i], glamo->base + GLAMO_REG_GPIO(i)); - spin_unlock(&glamo->lock); - return 0; -} - -static const struct dev_pm_ops glamo_pm_ops = { - .suspend = glamo_gpio_suspend, - .resume = glamo_gpio_resume, - .freeze = glamo_gpio_suspend, - .thaw = glamo_gpio_resume, -}; - -#define GLAMO_GPIO_PM_OPS (&glamo_pm_ops) - -#else -#define GLAMO_GPIO_PM_OPS NULL -#endif - -static struct platform_driver glamo_gpio_driver = { - .driver = { - .name = "glamo-gpio", - .owner = THIS_MODULE, - .pm = GLAMO_GPIO_PM_OPS, - }, - .probe = glamo_gpio_probe, - .remove = __devexit_p(glamo_gpio_remove), -}; - -static int __devinit glamo_gpio_init(void) -{ - return platform_driver_register(&glamo_gpio_driver); -} -module_init(glamo_gpio_init); - -static void __exit glamo_gpio_exit(void) -{ - platform_driver_unregister(&glamo_gpio_driver); -} -module_exit(glamo_gpio_exit); - -MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -MODULE_DESCRIPTION("GPIO interface for the Glamo multimedia device"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:glamo-gpio"); diff --git a/drivers/mfd/glamo/glamo-mci.c b/drivers/mfd/glamo/glamo-mci.c deleted file mode 100644 index 4c372e0f459..00000000000 --- a/drivers/mfd/glamo/glamo-mci.c +++ /dev/null @@ -1,982 +0,0 @@ -/* - * linux/drivers/mmc/host/glamo-mmc.c - Glamo MMC driver - * - * Copyright (C) 2007 Openmoko, Inc, Andy Green <andy@openmoko.com> - * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de> - * 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/mmc/mmc.h> -#include <linux/mmc/sd.h> -#include <linux/mmc/host.h> -#include <linux/platform_device.h> -#include <linux/irq.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/workqueue.h> -#include <linux/crc7.h> -#include <linux/scatterlist.h> -#include <linux/io.h> -#include <linux/regulator/consumer.h> -#include <linux/err.h> -#include <linux/mfd/glamo.h> - -#include "glamo-core.h" -#include "glamo-regs.h" - -struct glamo_mci_host { - struct glamo_mmc_platform_data *pdata; - struct platform_device *pdev; - struct glamo_core *core; - struct mmc_host *mmc; - struct resource *mmio_mem; - struct resource *data_mem; - void __iomem *mmio_base; - uint16_t __iomem *data_base; - - unsigned int irq; - - struct regulator *regulator; - struct mmc_request *mrq; - - unsigned int clk_rate; - - unsigned short vdd; - char power_mode; - - unsigned char request_counter; - - struct workqueue_struct *workqueue; - struct work_struct read_work; -}; - -static void glamo_mci_send_request(struct mmc_host *mmc, - struct mmc_request *mrq); -static void glamo_mci_send_command(struct glamo_mci_host *host, - struct mmc_command *cmd); - -/* - * Max SD clock rate - * - * held at /(3 + 1) due to concerns of 100R recommended series resistor - * allows 16MHz @ 4-bit --> 8MBytes/sec raw - * - * you can override this on kernel commandline using - * - * glamo_mci.sd_max_clk=10000000 - * - * for example - */ - -static int sd_max_clk = 21000000; -module_param(sd_max_clk, int, 0644); - -/* - * Slow SD clock rate - * - * you can override this on kernel commandline using - * - * glamo_mci.sd_slow_ratio=8 - * - * for example - * - * platform callback is used to decide effective clock rate, if not - * defined then max is used, if defined and returns nonzero, rate is - * divided by this factor - */ - -static int sd_slow_ratio = 8; -module_param(sd_slow_ratio, int, 0644); - -/* - * Post-power SD clock rate - * - * you can override this on kernel commandline using - * - * glamo_mci.sd_post_power_clock=1000000 - * - * for example - * - * After changing power to card, clock is held at this rate until first bulk - * transfer completes - */ - -static int sd_post_power_clock = 1000000; -module_param(sd_post_power_clock, int, 0644); - - -static inline void glamo_reg_write(struct glamo_mci_host *glamo, - uint16_t reg, uint16_t val) -{ - writew(val, glamo->mmio_base + reg); -} - -static inline uint16_t glamo_reg_read(struct glamo_mci_host *glamo, - uint16_t reg) -{ - return readw(glamo->mmio_base + reg); -} - -static void glamo_reg_set_bit_mask(struct glamo_mci_host *glamo, - uint16_t reg, uint16_t mask, - uint16_t val) -{ - uint16_t tmp; - - val &= mask; - - tmp = glamo_reg_read(glamo, reg); - tmp &= ~mask; - tmp |= val; - glamo_reg_write(glamo, reg, tmp); -} - -static void glamo_mci_reset(struct glamo_mci_host *host) -{ - glamo_engine_reset(host->core, GLAMO_ENGINE_MMC); - - glamo_reg_write(host, GLAMO_REG_MMC_WDATADS1, - (uint16_t)(host->data_mem->start)); - glamo_reg_write(host, GLAMO_REG_MMC_WDATADS2, - (uint16_t)(host->data_mem->start >> 16)); - - glamo_reg_write(host, GLAMO_REG_MMC_RDATADS1, - (uint16_t)(host->data_mem->start)); - glamo_reg_write(host, GLAMO_REG_MMC_RDATADS2, - (uint16_t)(host->data_mem->start >> 16)); - -} - -static int glamo_mci_clock_disable(struct mmc_host *mmc, int lazy) -{ - struct glamo_mci_host *host = mmc_priv(mmc); - glamo_engine_suspend(host->core, GLAMO_ENGINE_MMC); - return 0; -} - -static int glamo_mci_clock_enable(struct mmc_host *mmc) -{ - struct glamo_mci_host *host = mmc_priv(mmc); - glamo_engine_enable(host->core, GLAMO_ENGINE_MMC); - return 0; -} - - -#ifndef GLAMO_MCI_WORKER -static void do_pio_read(struct glamo_mci_host *host, struct mmc_data *data) -{ - struct sg_mapping_iter miter; - uint16_t __iomem *from_ptr = host->data_base; - - dev_dbg(&host->pdev->dev, "pio_read():\n"); - - sg_miter_start(&miter, data->sg, data->sg_len, SG_MITER_TO_SG); - - while (sg_miter_next(&miter)) { - memcpy(miter.addr, from_ptr, miter.length); - from_ptr += miter.length >> 1; - - data->bytes_xfered += miter.length; - } - - sg_miter_stop(&miter); - - dev_dbg(&host->pdev->dev, "pio_read(): " - "complete (no more data).\n"); -} -#endif - -static void do_pio_write(struct glamo_mci_host *host, struct mmc_data *data) -{ - struct sg_mapping_iter miter; - uint16_t __iomem *to_ptr = host->data_base; - - dev_dbg(&host->pdev->dev, "pio_write():\n"); - sg_miter_start(&miter, data->sg, data->sg_len, SG_MITER_FROM_SG); - - while (sg_miter_next(&miter)) { - memcpy(to_ptr, miter.addr, miter.length); - to_ptr += miter.length >> 1; - - data->bytes_xfered += miter.length; - } - - sg_miter_stop(&miter); - dev_dbg(&host->pdev->dev, "pio_write(): complete\n"); -} - -static int glamo_mci_set_card_clock(struct glamo_mci_host *host, int freq) -{ - int real_rate = 0; - - if (freq) - real_rate = glamo_engine_reclock(host->core, GLAMO_ENGINE_MMC, - freq); - - return real_rate; -} - -static int glamo_mci_wait_idle(struct glamo_mci_host *host, - unsigned long timeout) -{ - uint16_t status; - do { - status = glamo_reg_read(host, GLAMO_REG_MMC_RB_STAT1); - } while (!(status & GLAMO_STAT1_MMC_IDLE) && - time_is_after_jiffies(timeout)); - - if (time_is_before_eq_jiffies(timeout)) { - glamo_mci_reset(host); - return -ETIMEDOUT; - } - - return 0; -} - -static void glamo_mci_request_done(struct glamo_mci_host *host, - struct mmc_request *mrq) -{ - mmc_request_done(host->mmc, mrq); -} - -static irqreturn_t glamo_mci_irq(int irq, void *data) -{ - struct glamo_mci_host *host = data; - struct mmc_request *mrq; - struct mmc_command *cmd; - uint16_t status; - - if (!host->mrq || !host->mrq->cmd) - return IRQ_HANDLED; - - mrq = host->mrq; - cmd = mrq->cmd; - - status = glamo_reg_read(host, GLAMO_REG_MMC_RB_STAT1); - dev_dbg(&host->pdev->dev, "status = 0x%04x\n", status); - - /* we ignore a data timeout report if we are also told the data came */ - if (status & GLAMO_STAT1_MMC_RB_DRDY) - status &= ~GLAMO_STAT1_MMC_DTOUT; - - if (status & (GLAMO_STAT1_MMC_RTOUT | GLAMO_STAT1_MMC_DTOUT)) - cmd->error = -ETIMEDOUT; - else if (status & (GLAMO_STAT1_MMC_BWERR | GLAMO_STAT1_MMC_BRERR)) - cmd->error = -EILSEQ; - - if (cmd->error) { - dev_info(&host->pdev->dev, "Error after cmd: 0x%x\n", status); - goto done; - } - - /* issue STOP if we have been given one to use */ - if (mrq->stop) - glamo_mci_send_command(host, mrq->stop); - - if (cmd->data->flags & MMC_DATA_READ) -#ifndef GLAMO_MCI_WORKER - do_pio_read(host, cmd->data); -#else - flush_workqueue(host->workqueue); -#endif - - if (mrq->stop) - mrq->stop->error = glamo_mci_wait_idle(host, jiffies + HZ); - -done: - host->mrq = NULL; - glamo_mci_request_done(host, cmd->mrq); - - return IRQ_HANDLED; -} - -#ifdef GLAMO_MCI_WORKER -static void glamo_mci_read_worker(struct work_struct *work) -{ - struct glamo_mci_host *host = container_of(work, struct glamo_mci_host, - read_work); - struct mmc_command *cmd; - uint16_t status; - uint16_t blocks_ready; - size_t data_read = 0; - size_t data_ready; - struct scatterlist *sg; - uint16_t __iomem *from_ptr = host->data_base; - void *sg_pointer; - - - cmd = host->mrq->cmd; - sg = cmd->data->sg; - do { - /* - * TODO: How to get rid of that? - * Maybe just drop it... In fact, it is already handled in - * the IRQ handler, maybe we should only check cmd->error. - * But the question is: what happens between the moment - * the error occurs, and the moment the IRQ handler handles it? - */ - status = glamo_reg_read(host, GLAMO_REG_MMC_RB_STAT1); - - 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_info(&host->pdev->dev, "Error after cmd: 0x%x\n", - status); - return; - } - - blocks_ready = glamo_reg_read(host, GLAMO_REG_MMC_RB_BLKCNT); - data_ready = blocks_ready * cmd->data->blksz; - - if (data_ready == data_read) - yield(); - - while (sg && data_read + sg->length <= data_ready) { - sg_pointer = page_address(sg_page(sg)) + sg->offset; - memcpy(sg_pointer, from_ptr, sg->length); - from_ptr += sg->length >> 1; - - data_read += sg->length; - - sg = sg_next(sg); - } - - } while (sg); - cmd->data->bytes_xfered = data_read; -} -#endif - -static void glamo_mci_send_command(struct glamo_mci_host *host, - struct mmc_command *cmd) -{ - uint8_t u8a[6]; - uint16_t fire = 0; - unsigned int timeout = 1000000; - uint16_t *reg_resp = (uint16_t *)(host->mmio_base + GLAMO_REG_MMC_CMD_RSP1); - uint16_t status; - int triggers_int = 1; - - /* if we can't do it, reject as busy */ - if (!(glamo_reg_read(host, GLAMO_REG_MMC_RB_STAT1) & - GLAMO_STAT1_MMC_IDLE)) { - cmd->error = -EBUSY; - return; - } - - /* create an array in wire order for CRC computation */ - u8a[0] = 0x40 | (cmd->opcode & 0x3f); - u8a[1] = (uint8_t)(cmd->arg >> 24); - u8a[2] = (uint8_t)(cmd->arg >> 16); - u8a[3] = (uint8_t)(cmd->arg >> 8); - u8a[4] = (uint8_t)cmd->arg; - u8a[5] = (crc7(0, u8a, 5) << 1) | 0x01; - - /* issue the wire-order array including CRC in register order */ - glamo_reg_write(host, GLAMO_REG_MMC_CMD_REG1, ((u8a[4] << 8) | u8a[5])); - glamo_reg_write(host, GLAMO_REG_MMC_CMD_REG2, ((u8a[2] << 8) | u8a[3])); - glamo_reg_write(host, GLAMO_REG_MMC_CMD_REG3, ((u8a[0] << 8) | u8a[1])); - - /* command index toggle */ - fire |= (host->request_counter & 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_R1: /* same index as R6 and R7 */ - 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 SD_APP_SEND_SCR: - 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 */ - triggers_int = 0; - break; - default: - fire |= GLAMO_FIRE_MMC_CC_BASIC; /* "basic command" */ - triggers_int = 0; - break; - } - - if (cmd->data) - host->mrq = cmd->mrq; - - /* always largest timeout */ - glamo_reg_write(host, GLAMO_REG_MMC_TIMEOUT, 0xfff); - - /* Generate interrupt on txfer */ - glamo_reg_set_bit_mask(host, GLAMO_REG_MMC_BASIC, 0xff36, - 0x0800 | - GLAMO_BASIC_MMC_NO_CLK_RD_WAIT | - GLAMO_BASIC_MMC_EN_COMPL_INT | - GLAMO_BASIC_MMC_EN_DATA_PUPS | - GLAMO_BASIC_MMC_EN_CMD_PUP); - - /* send the command out on the wire */ - /* dev_info(&host->pdev->dev, "Using FIRE %04X\n", fire); */ - glamo_reg_write(host, GLAMO_REG_MMC_CMD_FIRE, fire); - - /* we are deselecting card? because it isn't going to ack then... */ - if ((cmd->opcode == 7) && (cmd->arg == 0)) - return; - - /* - * we must spin until response is ready or timed out - * -- we don't get interrupts unless there is a bulk rx - */ - do - status = glamo_reg_read(host, GLAMO_REG_MMC_RB_STAT1); - while (((((status >> 15) & 1) != (host->request_counter & 1)) || - (!(status & (GLAMO_STAT1_MMC_RB_RRDY | - GLAMO_STAT1_MMC_RTOUT | - GLAMO_STAT1_MMC_DTOUT | - GLAMO_STAT1_MMC_BWERR | - GLAMO_STAT1_MMC_BRERR)))) && (timeout--)); - - if ((status & (GLAMO_STAT1_MMC_RTOUT | GLAMO_STAT1_MMC_DTOUT)) || - (timeout == 0)) { - cmd->error = -ETIMEDOUT; - } else if (status & (GLAMO_STAT1_MMC_BWERR | GLAMO_STAT1_MMC_BRERR)) { - cmd->error = -EILSEQ; - } - - if (cmd->flags & MMC_RSP_PRESENT) { - if (cmd->flags & MMC_RSP_136) { - cmd->resp[3] = readw(®_resp[0]) | - (readw(®_resp[1]) << 16); - cmd->resp[2] = readw(®_resp[2]) | - (readw(®_resp[3]) << 16); - cmd->resp[1] = readw(®_resp[4]) | - (readw(®_resp[5]) << 16); - cmd->resp[0] = readw(®_resp[6]) | - (readw(®_resp[7]) << 16); - } else { - cmd->resp[0] = (readw(®_resp[0]) >> 8) | - (readw(®_resp[1]) << 8) | - (readw(®_resp[2]) << 24); - } - } - -#ifdef GLAMO_MCI_WORKER - /* We'll only get an interrupt when all data has been transfered. - By starting to copy data when it's avaiable we can increase - throughput by up to 30%. */ - if (cmd->data && (cmd->data->flags & MMC_DATA_READ)) - queue_work(host->workqueue, &host->read_work); -#endif - -} - -static int glamo_mci_prepare_pio(struct glamo_mci_host *host, - struct mmc_data *data) -{ - /* set up the block info */ - glamo_reg_write(host, GLAMO_REG_MMC_DATBLKLEN, data->blksz); - glamo_reg_write(host, GLAMO_REG_MMC_DATBLKCNT, data->blocks); - - data->bytes_xfered = 0; - - /* if write, prep the write into the shared RAM before the command */ - if (data->flags & MMC_DATA_WRITE) - do_pio_write(host, data); - - dev_dbg(&host->pdev->dev, "(blksz=%d, count=%d)\n", - data->blksz, data->blocks); - return 0; -} - -static void glamo_mci_send_request(struct mmc_host *mmc, - struct mmc_request *mrq) -{ - struct glamo_mci_host *host = mmc_priv(mmc); - struct mmc_command *cmd = mrq->cmd; - - host->request_counter++; - if (cmd->data) { - if (glamo_mci_prepare_pio(host, cmd->data)) { - cmd->error = -EIO; - cmd->data->error = -EIO; - goto done; - } - } - - 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); - - glamo_mci_send_command(host, cmd); - - /* - * if we don't have bulk data to take care of, we're done - */ - if (!cmd->data || cmd->error) - 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"); - return; -done: - if (!cmd->error) - cmd->error = glamo_mci_wait_idle(host, jiffies + 2 * HZ); - glamo_mci_request_done(host, mrq); -} - -static void glamo_mci_set_power_mode(struct glamo_mci_host *host, - unsigned char power_mode) -{ - int ret; - - if (power_mode == host->power_mode) - return; - - switch (power_mode) { - case MMC_POWER_UP: - if (host->power_mode == MMC_POWER_OFF) { - ret = regulator_enable(host->regulator); - if (ret) - dev_err(&host->pdev->dev, - "Failed to enable regulator: %d\n", - ret); - } - break; - case MMC_POWER_ON: - break; - case MMC_POWER_OFF: - default: - ret = regulator_disable(host->regulator); - if (ret) - dev_warn(&host->pdev->dev, - "Failed to disable regulator: %d\n", - ret); - break; - } - host->power_mode = power_mode; -} - -static void glamo_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) -{ - struct glamo_mci_host *host = mmc_priv(mmc); - int bus_width = 0; - int rate; - int sd_drive; - int ret; - - mmc_host_enable(mmc); - - /* Set power */ - glamo_mci_set_power_mode(host, ios->power_mode); - - if (host->vdd != ios->vdd) { - ret = mmc_regulator_set_ocr(host->regulator, ios->vdd); - if (ret) - dev_err(&host->pdev->dev, - "Failed to set regulator voltage: %d\n", ret); - else - host->vdd = ios->vdd; - } - - rate = glamo_mci_set_card_clock(host, ios->clock); - - if ((ios->power_mode == MMC_POWER_ON) || - (ios->power_mode == MMC_POWER_UP)) { - dev_info(&host->pdev->dev, - "powered (vdd = %hu) clk: %dkHz div=%hu (req: %ukHz). " - "Bus width=%d\n", ios->vdd, - rate / 1000, 0, - ios->clock / 1000, (int)ios->bus_width); - } else { - dev_info(&host->pdev->dev, "glamo_mci_set_ios: power down.\n"); - } - - /* set bus width */ - if (ios->bus_width == MMC_BUS_WIDTH_4) - bus_width = GLAMO_BASIC_MMC_EN_4BIT_DATA; - - sd_drive = (rate * 4) / host->clk_rate; - if (sd_drive > 3) - sd_drive = 3; - - glamo_reg_set_bit_mask(host, GLAMO_REG_MMC_BASIC, - GLAMO_BASIC_MMC_EN_4BIT_DATA | 0xc0, - bus_width | sd_drive << 6); - - if (host->power_mode == MMC_POWER_OFF) - mmc_host_disable(host->mmc); - else - mmc_host_lazy_disable(host->mmc); -} - - -/* - * 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 = { - .enable = glamo_mci_clock_enable, - .disable = glamo_mci_clock_disable, - .request = glamo_mci_send_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; - struct glamo_core *core = dev_get_drvdata(pdev->dev.parent); - 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; - if (core->pdata) - host->pdata = core->pdata->mmc_data; - host->power_mode = MMC_POWER_OFF; - host->core = core; - host->irq = platform_get_irq(pdev, 0); - -#ifdef GLAMO_MCI_WORKER - INIT_WORK(&host->read_work, glamo_mci_read_worker); - host->workqueue = create_singlethread_workqueue("glamo-mci-read"); -#endif - - host->regulator = regulator_get(pdev->dev.parent, "SD_3V3"); - if (IS_ERR(host->regulator)) { - dev_err(&pdev->dev, "Cannot proceed without regulator.\n"); - ret = PTR_ERR(host->regulator); - goto probe_free_host; - } - - host->mmio_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!host->mmio_mem) { - dev_err(&pdev->dev, - "failed to get io memory region resouce.\n"); - ret = -ENOENT; - goto probe_regulator_put; - } - - host->mmio_mem = request_mem_region(host->mmio_mem->start, - resource_size(host->mmio_mem), - pdev->name); - - if (!host->mmio_mem) { - dev_err(&pdev->dev, "failed to request io memory region.\n"); - ret = -ENOENT; - goto probe_regulator_put; - } - - host->mmio_base = ioremap(host->mmio_mem->start, - resource_size(host->mmio_mem)); - if (!host->mmio_base) { - dev_err(&pdev->dev, "failed to ioremap() io memory region.\n"); - ret = -EINVAL; - goto probe_free_mem_region_mmio; - } - - - /* Get ahold of our data buffer we use for data in and out on MMC */ - host->data_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!host->data_mem) { - dev_err(&pdev->dev, - "failed to get io memory region resource.\n"); - ret = -ENOENT; - goto probe_iounmap_mmio; - } - - host->data_mem = request_mem_region(host->data_mem->start, - resource_size(host->data_mem), - pdev->name); - - if (!host->data_mem) { - dev_err(&pdev->dev, "failed to request io memory region.\n"); - ret = -ENOENT; - goto probe_iounmap_mmio; - } - host->data_base = ioremap(host->data_mem->start, - resource_size(host->data_mem)); - - if (host->data_base == 0) { - dev_err(&pdev->dev, "failed to ioremap() io memory region.\n"); - ret = -EINVAL; - goto probe_free_mem_region_data; - } - - ret = request_threaded_irq(host->irq, NULL, glamo_mci_irq, IRQF_SHARED, - pdev->name, host); - if (ret) { - dev_err(&pdev->dev, "failed to register irq.\n"); - goto probe_iounmap_data; - } - - - host->vdd = 0; - host->clk_rate = glamo_pll_rate(host->core, GLAMO_PLL1); - - /* explain our host controller capabilities */ - mmc->ops = &glamo_mci_ops; - mmc->ocr_avail = mmc_regulator_get_ocrmask(host->regulator); - mmc->caps = MMC_CAP_4_BIT_DATA | - MMC_CAP_MMC_HIGHSPEED | - MMC_CAP_SD_HIGHSPEED; - mmc->f_min = host->clk_rate / 256; - mmc->f_max = sd_max_clk; - - 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 = resource_size(host->data_mem); - mmc->max_seg_size = mmc->max_req_size; - mmc->max_phys_segs = 128; - mmc->max_hw_segs = 128; - - if (mmc->ocr_avail < 0) { - dev_warn(&pdev->dev, - "Failed to get ocr list for regulator: %d.\n", - mmc->ocr_avail); - mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; - } - - platform_set_drvdata(pdev, mmc); - - mmc->caps |= MMC_CAP_DISABLE; - mmc_set_disable_delay(mmc, 1000 / 16); - - mmc_host_enable(mmc); - glamo_mci_reset(host); - - ret = mmc_add_host(mmc); - if (ret) { - dev_err(&pdev->dev, "failed to add mmc host.\n"); - goto probe_mmc_host_disable; - } - - mmc_host_lazy_disable(mmc); - - return 0; - -probe_mmc_host_disable: - mmc_host_disable(mmc); - free_irq(host->irq, host); -probe_iounmap_data: - iounmap(host->data_base); -probe_free_mem_region_data: - release_mem_region(host->data_mem->start, - resource_size(host->data_mem)); -probe_iounmap_mmio: - iounmap(host->mmio_base); -probe_free_mem_region_mmio: - release_mem_region(host->mmio_mem->start, - resource_size(host->mmio_mem)); -probe_regulator_put: - regulator_put(host->regulator); -probe_free_host: -#ifdef GLAMO_MCI_WORKER - destroy_workqueue(host->workqueue); -#endif - 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); - -#ifdef GLAMO_MCI_WORKER - flush_workqueue(host->workqueue); - destroy_workqueue(host->workqueue); -#endif - - mmc_host_enable(mmc); - mmc_remove_host(mmc); - mmc_host_disable(mmc); - - synchronize_irq(host->irq); - free_irq(host->irq, host); - - iounmap(host->mmio_base); - iounmap(host->data_base); - release_mem_region(host->mmio_mem->start, - resource_size(host->mmio_mem)); - release_mem_region(host->data_mem->start, - resource_size(host->data_mem)); - - regulator_put(host->regulator); - - mmc_free_host(mmc); - - return 0; -} - - -#ifdef CONFIG_PM - -static int glamo_mci_suspend(struct device *dev) -{ - struct mmc_host *mmc = dev_get_drvdata(dev); - struct glamo_mci_host *host = mmc_priv(mmc); - int ret; - - disable_irq(host->irq); - - mmc_host_enable(mmc); - ret = mmc_suspend_host(mmc, PMSG_SUSPEND); - mmc_host_disable(mmc); - - return ret; -} - -static int glamo_mci_resume(struct device *dev) -{ - struct mmc_host *mmc = dev_get_drvdata(dev); - struct glamo_mci_host *host = mmc_priv(mmc); - int ret; - - mmc_host_enable(mmc); - glamo_mci_reset(host); - mdelay(10); - - ret = mmc_resume_host(host->mmc); - - enable_irq(host->irq); - - mmc_host_lazy_disable(host->mmc); - - return ret; -} - -static const struct dev_pm_ops glamo_mci_pm_ops = { - .suspend = glamo_mci_suspend, - .resume = glamo_mci_resume, - .freeze = glamo_mci_suspend, - .thaw = glamo_mci_resume, -}; -#define GLAMO_MCI_PM_OPS (&glamo_mci_pm_ops) - -#else /* CONFIG_PM */ -#define GLAMO_MCI_PM_OPS NULL -#endif /* CONFIG_PM */ - - -static struct platform_driver glamo_mci_driver = { - .probe = glamo_mci_probe, - .remove = glamo_mci_remove, - .driver = { - .name = "glamo-mci", - .owner = THIS_MODULE, - .pm = GLAMO_MCI_PM_OPS, - }, -}; - -static int __init glamo_mci_init(void) -{ - platform_driver_register(&glamo_mci_driver); - return 0; -} -module_init(glamo_mci_init); - -static void __exit glamo_mci_exit(void) -{ - platform_driver_unregister(&glamo_mci_driver); -} -module_exit(glamo_mci_exit); - -MODULE_DESCRIPTION("Glamo MMC/SD Card Interface driver"); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Andy Green <andy@openmoko.com>"); -MODULE_ALIAS("platform:glamo-mci"); diff --git a/drivers/mfd/glamo/glamo-regs.h b/drivers/mfd/glamo/glamo-regs.h deleted file mode 100644 index 59848e1122e..00000000000 --- a/drivers/mfd/glamo/glamo-regs.h +++ /dev/null @@ -1,630 +0,0 @@ -#ifndef _GLAMO_REGS_H -#define _GLAMO_REGS_H - -/* Smedia Glamo 336x/337x driver - * - * (C) 2007 by Openmoko, Inc. - * Author: Harald Welte <laforge@openmoko.org> - * 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 as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -enum glamo_regster_offsets { - GLAMO_REGOFS_GENERIC = 0x0000, - GLAMO_REGOFS_HOSTBUS = 0x0200, - GLAMO_REGOFS_MEMORY = 0x0300, - GLAMO_REGOFS_VIDCAP = 0x0400, - GLAMO_REGOFS_ISP = 0x0500, - GLAMO_REGOFS_JPEG = 0x0800, - GLAMO_REGOFS_MPEG = 0x0c00, - GLAMO_REGOFS_LCD = 0x1100, - GLAMO_REGOFS_MMC = 0x1400, - GLAMO_REGOFS_MPROC0 = 0x1500, - GLAMO_REGOFS_MPROC1 = 0x1580, - GLAMO_REGOFS_CMDQUEUE = 0x1600, - GLAMO_REGOFS_RISC = 0x1680, - GLAMO_REGOFS_2D = 0x1700, - GLAMO_REGOFS_3D = 0x1b00, - GLAMO_REGOFS_END = 0x2400, -}; - - -enum glamo_register_generic { - GLAMO_REG_GCONF1 = 0x0000, - GLAMO_REG_GCONF2 = 0x0002, -#define GLAMO_REG_DEVICE_ID GLAMO_REG_GCONF2 - GLAMO_REG_GCONF3 = 0x0004, -#define GLAMO_REG_REVISION_ID GLAMO_REG_GCONF3 - GLAMO_REG_IRQ_GEN1 = 0x0006, -#define GLAMO_REG_IRQ_ENABLE GLAMO_REG_IRQ_GEN1 - GLAMO_REG_IRQ_GEN2 = 0x0008, -#define GLAMO_REG_IRQ_SET GLAMO_REG_IRQ_GEN2 - GLAMO_REG_IRQ_GEN3 = 0x000a, -#define GLAMO_REG_IRQ_CLEAR GLAMO_REG_IRQ_GEN3 - GLAMO_REG_IRQ_GEN4 = 0x000c, -#define GLAMO_REG_IRQ_STATUS GLAMO_REG_IRQ_GEN4 - GLAMO_REG_CLOCK_HOST = 0x0010, - GLAMO_REG_CLOCK_MEMORY = 0x0012, - GLAMO_REG_CLOCK_LCD = 0x0014, - GLAMO_REG_CLOCK_MMC = 0x0016, - GLAMO_REG_CLOCK_ISP = 0x0018, - GLAMO_REG_CLOCK_JPEG = 0x001a, - GLAMO_REG_CLOCK_3D = 0x001c, - GLAMO_REG_CLOCK_2D = 0x001e, - GLAMO_REG_CLOCK_RISC1 = 0x0020, /* 3365 only? */ - GLAMO_REG_CLOCK_RISC2 = 0x0022, /* 3365 only? */ - GLAMO_REG_CLOCK_MPEG = 0x0024, - GLAMO_REG_CLOCK_MPROC = 0x0026, - - GLAMO_REG_CLOCK_GEN5_1 = 0x0030, - GLAMO_REG_CLOCK_GEN5_2 = 0x0032, - GLAMO_REG_CLOCK_GEN6 = 0x0034, - GLAMO_REG_CLOCK_GEN7 = 0x0036, - GLAMO_REG_CLOCK_GEN8 = 0x0038, - GLAMO_REG_CLOCK_GEN9 = 0x003a, - GLAMO_REG_CLOCK_GEN10 = 0x003c, - GLAMO_REG_CLOCK_GEN11 = 0x003e, - GLAMO_REG_PLL_GEN1 = 0x0040, - GLAMO_REG_PLL_GEN2 = 0x0042, - GLAMO_REG_PLL_GEN3 = 0x0044, - GLAMO_REG_PLL_GEN4 = 0x0046, - GLAMO_REG_PLL_GEN5 = 0x0048, - GLAMO_REG_GPIO_GEN1 = 0x0050, - GLAMO_REG_GPIO_GEN2 = 0x0052, - GLAMO_REG_GPIO_GEN3 = 0x0054, - GLAMO_REG_GPIO_GEN4 = 0x0056, - GLAMO_REG_GPIO_GEN5 = 0x0058, - GLAMO_REG_GPIO_GEN6 = 0x005a, - GLAMO_REG_GPIO_GEN7 = 0x005c, - GLAMO_REG_GPIO_GEN8 = 0x005e, - GLAMO_REG_GPIO_GEN9 = 0x0060, - GLAMO_REG_GPIO_GEN10 = 0x0062, - GLAMO_REG_DFT_GEN1 = 0x0070, - GLAMO_REG_DFT_GEN2 = 0x0072, - GLAMO_REG_DFT_GEN3 = 0x0074, - GLAMO_REG_DFT_GEN4 = 0x0076, - - GLAMO_REG_DFT_GEN5 = 0x01e0, - GLAMO_REG_DFT_GEN6 = 0x01f0, -}; - -#define GLAMO_REG_HOSTBUS(x) (GLAMO_REGOFS_HOSTBUS-2+(x*2)) - -#define REG_MEM(x) (GLAMO_REGOFS_MEMORY+(x)) -#define GLAMO_REG_MEM_TIMING(x) (GLAMO_REG_MEM_TIMING1-2+(x*2)) - -enum glamo_register_mem { - GLAMO_REG_MEM_TYPE = REG_MEM(0x00), - GLAMO_REG_MEM_GEN = REG_MEM(0x02), - GLAMO_REG_MEM_TIMING1 = REG_MEM(0x04), - GLAMO_REG_MEM_TIMING2 = REG_MEM(0x06), - GLAMO_REG_MEM_TIMING3 = REG_MEM(0x08), - GLAMO_REG_MEM_TIMING4 = REG_MEM(0x0a), - GLAMO_REG_MEM_TIMING5 = REG_MEM(0x0c), - GLAMO_REG_MEM_TIMING6 = REG_MEM(0x0e), - GLAMO_REG_MEM_TIMING7 = REG_MEM(0x10), - GLAMO_REG_MEM_TIMING8 = REG_MEM(0x12), - GLAMO_REG_MEM_TIMING9 = REG_MEM(0x14), - GLAMO_REG_MEM_TIMING10 = REG_MEM(0x16), - GLAMO_REG_MEM_TIMING11 = REG_MEM(0x18), - GLAMO_REG_MEM_POWER1 = REG_MEM(0x1a), - GLAMO_REG_MEM_POWER2 = REG_MEM(0x1c), - GLAMO_REG_MEM_LCD_BUF1 = REG_MEM(0x1e), - GLAMO_REG_MEM_LCD_BUF2 = REG_MEM(0x20), - GLAMO_REG_MEM_LCD_BUF3 = REG_MEM(0x22), - GLAMO_REG_MEM_LCD_BUF4 = REG_MEM(0x24), - GLAMO_REG_MEM_BIST1 = REG_MEM(0x26), - GLAMO_REG_MEM_BIST2 = REG_MEM(0x28), - GLAMO_REG_MEM_BIST3 = REG_MEM(0x2a), - GLAMO_REG_MEM_BIST4 = REG_MEM(0x2c), - GLAMO_REG_MEM_BIST5 = REG_MEM(0x2e), - GLAMO_REG_MEM_MAH1 = REG_MEM(0x30), - GLAMO_REG_MEM_MAH2 = REG_MEM(0x32), - GLAMO_REG_MEM_DRAM1 = REG_MEM(0x34), - GLAMO_REG_MEM_DRAM2 = REG_MEM(0x36), - GLAMO_REG_MEM_CRC = REG_MEM(0x38), -}; - -#define GLAMO_MEM_TYPE_MASK 0x03 - -enum glamo_reg_mem_dram1 { - /* b0 - b10 == refresh period, 1 -> 2048 clocks */ - GLAMO_MEM_DRAM1_EN_GATE_CLK = (1 << 11), - GLAMO_MEM_DRAM1_SELF_REFRESH = (1 << 12), - GLAMO_MEM_DRAM1_EN_GATE_CKE = (1 << 13), - GLAMO_MEM_DRAM1_EN_DRAM_REFRESH = (1 << 14), - GLAMO_MEM_DRAM1_EN_MODEREG_SET = (1 << 15), -}; - -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 = (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 { - GLAMO_CLOCK_HOST_DG_BCLK = 0x0001, - GLAMO_CLOCK_HOST_DG_M0CLK = 0x0004, - GLAMO_CLOCK_HOST_RESET = 0x1000, -}; - -enum glamo_reg_clock_mem { - GLAMO_CLOCK_MEM_DG_M1CLK = 0x0001, - GLAMO_CLOCK_MEM_EN_M1CLK = 0x0002, - GLAMO_CLOCK_MEM_DG_MOCACLK = 0x0004, - GLAMO_CLOCK_MEM_EN_MOCACLK = 0x0008, - GLAMO_CLOCK_MEM_RESET = 0x1000, - GLAMO_CLOCK_MOCA_RESET = 0x2000, -}; - -enum glamo_reg_clock_lcd { - GLAMO_CLOCK_LCD_DG_DCLK = 0x0001, - GLAMO_CLOCK_LCD_EN_DCLK = 0x0002, - GLAMO_CLOCK_LCD_DG_DMCLK = 0x0004, - GLAMO_CLOCK_LCD_EN_DMCLK = 0x0008, - GLAMO_CLOCK_LCD_EN_DHCLK = 0x0020, - GLAMO_CLOCK_LCD_DG_M5CLK = 0x0040, - GLAMO_CLOCK_LCD_EN_M5CLK = 0x0080, - GLAMO_CLOCK_LCD_RESET = 0x1000, -}; - -enum glamo_reg_clock_mmc { - GLAMO_CLOCK_MMC_DG_TCLK = 0x0001, - GLAMO_CLOCK_MMC_EN_TCLK = 0x0002, - GLAMO_CLOCK_MMC_DG_M9CLK = 0x0004, - GLAMO_CLOCK_MMC_EN_M9CLK = 0x0008, - 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, - GLAMO_CLOCK_ISP_DG_CCLK = 0x0004, - GLAMO_CLOCK_ISP_EN_CCLK = 0x0008, - GLAMO_CLOCK_ISP_EN_SCLK = 0x0020, - GLAMO_CLOCK_ISP_DG_M2CLK = 0x0040, - GLAMO_CLOCK_ISP_EN_M2CLK = 0x0080, - GLAMO_CLOCK_ISP_DG_M15CLK = 0x0100, - GLAMO_CLOCK_ISP_EN_M15CLK = 0x0200, - GLAMO_CLOCK_ISP1_RESET = 0x1000, - GLAMO_CLOCK_ISP2_RESET = 0x2000, -}; - -enum glamo_reg_clock_jpeg { - GLAMO_CLOCK_JPEG_DG_JCLK = 0x0001, - GLAMO_CLOCK_JPEG_EN_JCLK = 0x0002, - GLAMO_CLOCK_JPEG_DG_M3CLK = 0x0004, - GLAMO_CLOCK_JPEG_EN_M3CLK = 0x0008, - GLAMO_CLOCK_JPEG_RESET = 0x1000, -}; - -enum glamo_reg_clock_2d { - GLAMO_CLOCK_2D_DG_GCLK = 0x0001, - GLAMO_CLOCK_2D_EN_GCLK = 0x0002, - GLAMO_CLOCK_2D_DG_M7CLK = 0x0004, - GLAMO_CLOCK_2D_EN_M7CLK = 0x0008, - GLAMO_CLOCK_2D_DG_M6CLK = 0x0010, - GLAMO_CLOCK_2D_EN_M6CLK = 0x0020, - GLAMO_CLOCK_2D_RESET = 0x1000, - GLAMO_CLOCK_2D_CQ_RESET = 0x2000, -}; - -enum glamo_reg_clock_3d { - GLAMO_CLOCK_3D_DG_ECLK = 0x0001, - GLAMO_CLOCK_3D_EN_ECLK = 0x0002, - GLAMO_CLOCK_3D_DG_RCLK = 0x0004, - GLAMO_CLOCK_3D_EN_RCLK = 0x0008, - GLAMO_CLOCK_3D_DG_M8CLK = 0x0010, - GLAMO_CLOCK_3D_EN_M8CLK = 0x0020, - GLAMO_CLOCK_3D_BACK_RESET = 0x1000, - GLAMO_CLOCK_3D_FRONT_RESET = 0x2000, -}; - -enum glamo_reg_clock_mpeg { - GLAMO_CLOCK_MPEG_DG_X0CLK = 0x0001, - GLAMO_CLOCK_MPEG_EN_X0CLK = 0x0002, - GLAMO_CLOCK_MPEG_DG_X1CLK = 0x0004, - GLAMO_CLOCK_MPEG_EN_X1CLK = 0x0008, - GLAMO_CLOCK_MPEG_DG_X2CLK = 0x0010, - GLAMO_CLOCK_MPEG_EN_X2CLK = 0x0020, - GLAMO_CLOCK_MPEG_DG_X3CLK = 0x0040, - GLAMO_CLOCK_MPEG_EN_X3CLK = 0x0080, - GLAMO_CLOCK_MPEG_DG_X4CLK = 0x0100, - GLAMO_CLOCK_MPEG_EN_X4CLK = 0x0200, - GLAMO_CLOCK_MPEG_DG_X6CLK = 0x0400, - GLAMO_CLOCK_MPEG_EN_X6CLK = 0x0800, - GLAMO_CLOCK_MPEG_ENC_RESET = 0x1000, - GLAMO_CLOCK_MPEG_DEC_RESET = 0x2000, -}; - -enum glamo_reg_clock51 { - GLAMO_CLOCK_GEN51_EN_DIV_MCLK = 0x0001, - GLAMO_CLOCK_GEN51_EN_DIV_SCLK = 0x0002, - GLAMO_CLOCK_GEN51_EN_DIV_JCLK = 0x0004, - GLAMO_CLOCK_GEN51_EN_DIV_DCLK = 0x0008, - GLAMO_CLOCK_GEN51_EN_DIV_DMCLK = 0x0010, - GLAMO_CLOCK_GEN51_EN_DIV_DHCLK = 0x0020, - GLAMO_CLOCK_GEN51_EN_DIV_GCLK = 0x0040, - GLAMO_CLOCK_GEN51_EN_DIV_TCLK = 0x0080, - /* FIXME: higher bits */ -}; - -enum glamo_reg_hostbus2 { - GLAMO_HOSTBUS2_MMIO_EN_ISP = 0x0001, - GLAMO_HOSTBUS2_MMIO_EN_JPEG = 0x0002, - GLAMO_HOSTBUS2_MMIO_EN_MPEG = 0x0004, - GLAMO_HOSTBUS2_MMIO_EN_LCD = 0x0008, - GLAMO_HOSTBUS2_MMIO_EN_MMC = 0x0010, - GLAMO_HOSTBUS2_MMIO_EN_MICROP0 = 0x0020, - GLAMO_HOSTBUS2_MMIO_EN_MICROP1 = 0x0040, - GLAMO_HOSTBUS2_MMIO_EN_CQ = 0x0080, - GLAMO_HOSTBUS2_MMIO_EN_RISC = 0x0100, - GLAMO_HOSTBUS2_MMIO_EN_2D = 0x0200, - GLAMO_HOSTBUS2_MMIO_EN_3D = 0x0400, -}; - -/* LCD Controller */ - -#define REG_LCD(x) (x) -enum glamo_reg_lcd { - GLAMO_REG_LCD_MODE1 = REG_LCD(0x00), - GLAMO_REG_LCD_MODE2 = REG_LCD(0x02), - GLAMO_REG_LCD_MODE3 = REG_LCD(0x04), - GLAMO_REG_LCD_WIDTH = REG_LCD(0x06), - GLAMO_REG_LCD_HEIGHT = REG_LCD(0x08), - GLAMO_REG_LCD_POLARITY = REG_LCD(0x0a), - GLAMO_REG_LCD_A_BASE1 = REG_LCD(0x0c), - GLAMO_REG_LCD_A_BASE2 = REG_LCD(0x0e), - GLAMO_REG_LCD_B_BASE1 = REG_LCD(0x10), - GLAMO_REG_LCD_B_BASE2 = REG_LCD(0x12), - GLAMO_REG_LCD_C_BASE1 = REG_LCD(0x14), - GLAMO_REG_LCD_C_BASE2 = REG_LCD(0x16), - GLAMO_REG_LCD_PITCH = REG_LCD(0x18), - /* RES */ - GLAMO_REG_LCD_HORIZ_TOTAL = REG_LCD(0x1c), - /* RES */ - GLAMO_REG_LCD_HORIZ_RETR_START = REG_LCD(0x20), - /* RES */ - GLAMO_REG_LCD_HORIZ_RETR_END = REG_LCD(0x24), - /* RES */ - GLAMO_REG_LCD_HORIZ_DISP_START = REG_LCD(0x28), - /* RES */ - GLAMO_REG_LCD_HORIZ_DISP_END = REG_LCD(0x2c), - /* RES */ - GLAMO_REG_LCD_VERT_TOTAL = REG_LCD(0x30), - /* RES */ - GLAMO_REG_LCD_VERT_RETR_START = REG_LCD(0x34), - /* RES */ - GLAMO_REG_LCD_VERT_RETR_END = REG_LCD(0x38), - /* RES */ - GLAMO_REG_LCD_VERT_DISP_START = REG_LCD(0x3c), - /* RES */ - GLAMO_REG_LCD_VERT_DISP_END = REG_LCD(0x40), - /* RES */ - GLAMO_REG_LCD_POL = REG_LCD(0x44), - GLAMO_REG_LCD_DATA_START = REG_LCD(0x46), - GLAMO_REG_LCD_FRATE_CONTRO = REG_LCD(0x48), - GLAMO_REG_LCD_DATA_CMD_HDR = REG_LCD(0x4a), - GLAMO_REG_LCD_SP_START = REG_LCD(0x4c), - GLAMO_REG_LCD_SP_END = REG_LCD(0x4e), - GLAMO_REG_LCD_CURSOR_BASE1 = REG_LCD(0x50), - GLAMO_REG_LCD_CURSOR_BASE2 = REG_LCD(0x52), - GLAMO_REG_LCD_CURSOR_PITCH = REG_LCD(0x54), - GLAMO_REG_LCD_CURSOR_X_SIZE = REG_LCD(0x56), - GLAMO_REG_LCD_CURSOR_Y_SIZE = REG_LCD(0x58), - GLAMO_REG_LCD_CURSOR_X_POS = REG_LCD(0x5a), - GLAMO_REG_LCD_CURSOR_Y_POS = REG_LCD(0x5c), - GLAMO_REG_LCD_CURSOR_PRESET = REG_LCD(0x5e), - GLAMO_REG_LCD_CURSOR_FG_COLOR = REG_LCD(0x60), - /* RES */ - GLAMO_REG_LCD_CURSOR_BG_COLOR = REG_LCD(0x64), - /* RES */ - GLAMO_REG_LCD_CURSOR_DST_COLOR = REG_LCD(0x68), - /* RES */ - GLAMO_REG_LCD_STATUS1 = REG_LCD(0x80), - GLAMO_REG_LCD_STATUS2 = REG_LCD(0x82), - GLAMO_REG_LCD_STATUS3 = REG_LCD(0x84), - GLAMO_REG_LCD_STATUS4 = REG_LCD(0x86), - /* RES */ - GLAMO_REG_LCD_COMMAND1 = REG_LCD(0xa0), - GLAMO_REG_LCD_COMMAND2 = REG_LCD(0xa2), - /* RES */ - GLAMO_REG_LCD_WFORM_DELAY1 = REG_LCD(0xb0), - GLAMO_REG_LCD_WFORM_DELAY2 = REG_LCD(0xb2), - /* RES */ - GLAMO_REG_LCD_GAMMA_CORR = REG_LCD(0x100), - /* RES */ - GLAMO_REG_LCD_GAMMA_R_ENTRY01 = REG_LCD(0x110), - GLAMO_REG_LCD_GAMMA_R_ENTRY23 = REG_LCD(0x112), - GLAMO_REG_LCD_GAMMA_R_ENTRY45 = REG_LCD(0x114), - GLAMO_REG_LCD_GAMMA_R_ENTRY67 = REG_LCD(0x116), - GLAMO_REG_LCD_GAMMA_R_ENTRY8 = REG_LCD(0x118), - /* RES */ - GLAMO_REG_LCD_GAMMA_G_ENTRY01 = REG_LCD(0x130), - GLAMO_REG_LCD_GAMMA_G_ENTRY23 = REG_LCD(0x132), - GLAMO_REG_LCD_GAMMA_G_ENTRY45 = REG_LCD(0x134), - GLAMO_REG_LCD_GAMMA_G_ENTRY67 = REG_LCD(0x136), - GLAMO_REG_LCD_GAMMA_G_ENTRY8 = REG_LCD(0x138), - /* RES */ - GLAMO_REG_LCD_GAMMA_B_ENTRY01 = REG_LCD(0x150), - GLAMO_REG_LCD_GAMMA_B_ENTRY23 = REG_LCD(0x152), - GLAMO_REG_LCD_GAMMA_B_ENTRY45 = REG_LCD(0x154), - GLAMO_REG_LCD_GAMMA_B_ENTRY67 = REG_LCD(0x156), - GLAMO_REG_LCD_GAMMA_B_ENTRY8 = REG_LCD(0x158), - /* RES */ - GLAMO_REG_LCD_SRAM_DRIVING1 = REG_LCD(0x160), - GLAMO_REG_LCD_SRAM_DRIVING2 = REG_LCD(0x162), - GLAMO_REG_LCD_SRAM_DRIVING3 = REG_LCD(0x164), -}; - -enum glamo_reg_lcd_mode1 { - GLAMO_LCD_MODE1_PWRSAVE = 0x0001, - GLAMO_LCD_MODE1_PARTIAL_PRT = 0x0002, - GLAMO_LCD_MODE1_HWFLIP = 0x0004, - GLAMO_LCD_MODE1_LCD2 = 0x0008, - /* RES */ - GLAMO_LCD_MODE1_PARTIAL_MODE = 0x0020, - GLAMO_LCD_MODE1_CURSOR_DSTCOLOR = 0x0040, - GLAMO_LCD_MODE1_PARTIAL_ENABLE = 0x0080, - GLAMO_LCD_MODE1_TVCLK_IN_ENABLE = 0x0100, - GLAMO_LCD_MODE1_HSYNC_HIGH_ACT = 0x0200, - GLAMO_LCD_MODE1_VSYNC_HIGH_ACT = 0x0400, - GLAMO_LCD_MODE1_HSYNC_FLIP = 0x0800, - GLAMO_LCD_MODE1_GAMMA_COR_EN = 0x1000, - GLAMO_LCD_MODE1_DITHER_EN = 0x2000, - GLAMO_LCD_MODE1_CURSOR_EN = 0x4000, - GLAMO_LCD_MODE1_ROTATE_EN = 0x8000, -}; - -enum glamo_reg_lcd_mode2 { - GLAMO_LCD_MODE2_CRC_CHECK_EN = 0x0001, - GLAMO_LCD_MODE2_DCMD_PER_LINE = 0x0002, - GLAMO_LCD_MODE2_NOUSE_BDEF = 0x0004, - GLAMO_LCD_MODE2_OUT_POS_MODE = 0x0008, - GLAMO_LCD_MODE2_FRATE_CTRL_EN = 0x0010, - GLAMO_LCD_MODE2_SINGLE_BUFFER = 0x0020, - GLAMO_LCD_MODE2_SER_LSB_TO_MSB = 0x0040, - /* FIXME */ -}; - -enum glamo_reg_lcd_mode3 { - /* LCD color source data format */ - GLAMO_LCD_SRC_RGB565 = 0x0000, - GLAMO_LCD_SRC_ARGB1555 = 0x4000, - GLAMO_LCD_SRC_ARGB4444 = 0x8000, - /* interface type */ - GLAMO_LCD_MODE3_LCD = 0x1000, - GLAMO_LCD_MODE3_RGB = 0x0800, - GLAMO_LCD_MODE3_CPU = 0x0000, - /* mode */ - GLAMO_LCD_MODE3_RGB332 = 0x0000, - GLAMO_LCD_MODE3_RGB444 = 0x0100, - GLAMO_LCD_MODE3_RGB565 = 0x0200, - GLAMO_LCD_MODE3_RGB666 = 0x0300, - /* depth */ - GLAMO_LCD_MODE3_6BITS = 0x0000, - GLAMO_LCD_MODE3_8BITS = 0x0010, - GLAMO_LCD_MODE3_9BITS = 0x0020, - GLAMO_LCD_MODE3_16BITS = 0x0030, - GLAMO_LCD_MODE3_18BITS = 0x0040, -}; - -enum glamo_lcd_rot_mode { - GLAMO_LCD_ROT_MODE_0 = 0x0000, - GLAMO_LCD_ROT_MODE_180 = 0x2000, - GLAMO_LCD_ROT_MODE_MIRROR = 0x4000, - GLAMO_LCD_ROT_MODE_FLIP = 0x6000, - GLAMO_LCD_ROT_MODE_90 = 0x8000, - GLAMO_LCD_ROT_MODE_270 = 0xa000, -}; -#define GLAMO_LCD_ROT_MODE_MASK 0xe000 - -enum glamo_lcd_cmd_type { - GLAMO_LCD_CMD_TYPE_DISP = 0x0000, - GLAMO_LCD_CMD_TYPE_PARALLEL = 0x4000, - GLAMO_LCD_CMD_TYPE_SERIAL = 0x8000, - GLAMO_LCD_CMD_TYPE_SERIAL_DIRECT = 0xc000, -}; -#define GLAMO_LCD_CMD_TYPE_MASK 0xc000 - -enum glamo_lcd_cmds { - GLAMO_LCD_CMD_DATA_DISP_FIRE = 0x00, - GLAMO_LCD_CMD_DATA_DISP_SYNC = 0x01, /* RGB only */ - /* switch to command mode, no display */ - GLAMO_LCD_CMD_DATA_FIRE_NO_DISP = 0x02, - /* display until VSYNC, switch to command */ - GLAMO_LCD_CMD_DATA_FIRE_VSYNC = 0x11, - /* display until HSYNC, switch to command */ - GLAMO_LCD_CMD_DATA_FIRE_HSYNC = 0x12, - /* display until VSYNC, 1 black frame, VSYNC, switch to command */ - GLAMO_LCD_CMD_DATA_FIRE_VSYNC_B = 0x13, - /* don't care about display and switch to command */ - GLAMO_LCD_CMD_DATA_FIRE_FREE = 0x14, /* RGB only */ - /* don't care about display, keep data display but disable data, - * and switch to command */ - GLAMO_LCD_CMD_DATA_FIRE_FREE_D = 0x15, /* RGB only */ -}; - -enum glamo_core_revisions { - GLAMO_CORE_REV_A0 = 0x0000, - GLAMO_CORE_REV_A1 = 0x0001, - GLAMO_CORE_REV_A2 = 0x0002, - GLAMO_CORE_REV_A3 = 0x0003, -}; - -#endif /* _GLAMO_REGS_H */ |