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Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-omap2/mcbsp.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/mach-omap2/mcbsp.c234
1 files changed, 0 insertions, 234 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-omap2/mcbsp.c b/ANDROID_3.4.5/arch/arm/mach-omap2/mcbsp.c
deleted file mode 100644
index 577cb77d..00000000
--- a/ANDROID_3.4.5/arch/arm/mach-omap2/mcbsp.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * linux/arch/arm/mach-omap2/mcbsp.c
- *
- * Copyright (C) 2008 Instituto Nokia de Tecnologia
- * Contact: Eduardo Valentin <eduardo.valentin@indt.org.br>
- *
- * 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.
- *
- * Multichannel mode not supported.
- */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-
-#include <mach/irqs.h>
-#include <plat/dma.h>
-#include <plat/cpu.h>
-#include <plat/mcbsp.h>
-#include <plat/omap_device.h>
-#include <linux/pm_runtime.h>
-
-#include "control.h"
-
-/*
- * FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle.
- * Sidetone needs non-gated ICLK and sidetone autoidle is broken.
- */
-#include "cm2xxx_3xxx.h"
-#include "cm-regbits-34xx.h"
-
-/* McBSP1 internal signal muxing function for OMAP2/3 */
-static int omap2_mcbsp1_mux_rx_clk(struct device *dev, const char *signal,
- const char *src)
-{
- u32 v;
-
- v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
-
- if (!strcmp(signal, "clkr")) {
- if (!strcmp(src, "clkr"))
- v &= ~OMAP2_MCBSP1_CLKR_MASK;
- else if (!strcmp(src, "clkx"))
- v |= OMAP2_MCBSP1_CLKR_MASK;
- else
- return -EINVAL;
- } else if (!strcmp(signal, "fsr")) {
- if (!strcmp(src, "fsr"))
- v &= ~OMAP2_MCBSP1_FSR_MASK;
- else if (!strcmp(src, "fsx"))
- v |= OMAP2_MCBSP1_FSR_MASK;
- else
- return -EINVAL;
- } else {
- return -EINVAL;
- }
-
- omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
-
- return 0;
-}
-
-/* McBSP4 internal signal muxing function for OMAP4 */
-#define OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX (1 << 31)
-#define OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX (1 << 30)
-static int omap4_mcbsp4_mux_rx_clk(struct device *dev, const char *signal,
- const char *src)
-{
- u32 v;
-
- /*
- * In CONTROL_MCBSPLP register only bit 30 (CLKR mux), and bit 31 (FSR
- * mux) is used */
- v = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MCBSPLP);
-
- if (!strcmp(signal, "clkr")) {
- if (!strcmp(src, "clkr"))
- v &= ~OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX;
- else if (!strcmp(src, "clkx"))
- v |= OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_CLKX;
- else
- return -EINVAL;
- } else if (!strcmp(signal, "fsr")) {
- if (!strcmp(src, "fsr"))
- v &= ~OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX;
- else if (!strcmp(src, "fsx"))
- v |= OMAP4_CONTROL_MCBSPLP_ALBCTRLRX_FSX;
- else
- return -EINVAL;
- } else {
- return -EINVAL;
- }
-
- omap4_ctrl_pad_writel(v, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MCBSPLP);
-
- return 0;
-}
-
-/* McBSP CLKS source switching function */
-static int omap2_mcbsp_set_clk_src(struct device *dev, struct clk *clk,
- const char *src)
-{
- struct clk *fck_src;
- char *fck_src_name;
- int r;
-
- if (!strcmp(src, "clks_ext"))
- fck_src_name = "pad_fck";
- else if (!strcmp(src, "clks_fclk"))
- fck_src_name = "prcm_fck";
- else
- return -EINVAL;
-
- fck_src = clk_get(dev, fck_src_name);
- if (IS_ERR_OR_NULL(fck_src)) {
- pr_err("omap-mcbsp: %s: could not clk_get() %s\n", "clks",
- fck_src_name);
- return -EINVAL;
- }
-
- pm_runtime_put_sync(dev);
-
- r = clk_set_parent(clk, fck_src);
- if (IS_ERR_VALUE(r)) {
- pr_err("omap-mcbsp: %s: could not clk_set_parent() to %s\n",
- "clks", fck_src_name);
- clk_put(fck_src);
- return -EINVAL;
- }
-
- pm_runtime_get_sync(dev);
-
- clk_put(fck_src);
-
- return 0;
-}
-
-static int omap3_enable_st_clock(unsigned int id, bool enable)
-{
- unsigned int w;
-
- /*
- * Sidetone uses McBSP ICLK - which must not idle when sidetones
- * are enabled or sidetones start sounding ugly.
- */
- w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
- if (enable)
- w &= ~(1 << (id - 2));
- else
- w |= 1 << (id - 2);
- omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
-
- return 0;
-}
-
-static int __init omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
-{
- int id, count = 1;
- char *name = "omap-mcbsp";
- struct omap_hwmod *oh_device[2];
- struct omap_mcbsp_platform_data *pdata = NULL;
- struct platform_device *pdev;
-
- sscanf(oh->name, "mcbsp%d", &id);
-
- pdata = kzalloc(sizeof(struct omap_mcbsp_platform_data), GFP_KERNEL);
- if (!pdata) {
- pr_err("%s: No memory for mcbsp\n", __func__);
- return -ENOMEM;
- }
-
- pdata->reg_step = 4;
- if (oh->class->rev < MCBSP_CONFIG_TYPE2) {
- pdata->reg_size = 2;
- } else {
- pdata->reg_size = 4;
- pdata->has_ccr = true;
- }
- pdata->set_clk_src = omap2_mcbsp_set_clk_src;
-
- /* On OMAP2/3 the McBSP1 port has 6 pin configuration */
- if (id == 1 && oh->class->rev < MCBSP_CONFIG_TYPE4)
- pdata->mux_signal = omap2_mcbsp1_mux_rx_clk;
-
- /* On OMAP4 the McBSP4 port has 6 pin configuration */
- if (id == 4 && oh->class->rev == MCBSP_CONFIG_TYPE4)
- pdata->mux_signal = omap4_mcbsp4_mux_rx_clk;
-
- if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
- if (id == 2)
- /* The FIFO has 1024 + 256 locations */
- pdata->buffer_size = 0x500;
- else
- /* The FIFO has 128 locations */
- pdata->buffer_size = 0x80;
- } else if (oh->class->rev == MCBSP_CONFIG_TYPE4) {
- /* The FIFO has 128 locations for all instances */
- pdata->buffer_size = 0x80;
- }
-
- if (oh->class->rev >= MCBSP_CONFIG_TYPE3)
- pdata->has_wakeup = true;
-
- oh_device[0] = oh;
-
- if (oh->dev_attr) {
- oh_device[1] = omap_hwmod_lookup((
- (struct omap_mcbsp_dev_attr *)(oh->dev_attr))->sidetone);
- pdata->enable_st_clock = omap3_enable_st_clock;
- count++;
- }
- pdev = omap_device_build_ss(name, id, oh_device, count, pdata,
- sizeof(*pdata), NULL, 0, false);
- kfree(pdata);
- if (IS_ERR(pdev)) {
- pr_err("%s: Can't build omap_device for %s:%s.\n", __func__,
- name, oh->name);
- return PTR_ERR(pdev);
- }
- return 0;
-}
-
-static int __init omap2_mcbsp_init(void)
-{
- omap_hwmod_for_each_by_class("mcbsp", omap_init_mcbsp, NULL);
-
- return 0;
-}
-arch_initcall(omap2_mcbsp_init);
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