projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 90173882 FC |
1 | /* |
| 2 | * TI's OMAP DSP platform device registration | |
| 3 | * | |
| 4 | * Copyright (C) 2005-2006 Texas Instruments, Inc. | |
| 5 | * Copyright (C) 2009 Nokia Corporation | |
| 6 | * | |
| 7 | * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License version 2 as | |
| 11 | * published by the Free Software Foundation. | |
| 12 | */ | |
| 13 | ||
| 59fb659b PW |
14 | /* |
| 15 | * XXX The function pointers to the PRM/CM functions are incorrect and | |
| 16 | * should be removed. No device driver should be changing PRM/CM bits | |
| 17 | * directly; that's a layering violation -- those bits are the responsibility | |
| 18 | * of the OMAP PM core code. | |
| 19 | */ | |
| 20 | ||
| 90173882 | 21 | #include <linux/platform_device.h> |
| 59fb659b PW |
22 | #include "cm2xxx_3xxx.h" |
| 23 | #include "prm2xxx_3xxx.h" | |
| 90173882 FC |
24 | #ifdef CONFIG_BRIDGE_DVFS |
| 25 | #include <plat/omap-pm.h> | |
| 26 | #endif | |
| 27 | ||
| 28 | #include <plat/dsp.h> | |
| 29 | ||
| 30 | extern phys_addr_t omap_dsp_get_mempool_base(void); | |
| 31 | ||
| 32 | static struct platform_device *omap_dsp_pdev; | |
| 33 | ||
| 34 | static struct omap_dsp_platform_data omap_dsp_pdata __initdata = { | |
| 35 | #ifdef CONFIG_BRIDGE_DVFS | |
| 36 | .dsp_set_min_opp = omap_pm_dsp_set_min_opp, | |
| 37 | .dsp_get_opp = omap_pm_dsp_get_opp, | |
| 38 | .cpu_set_freq = omap_pm_cpu_set_freq, | |
| 39 | .cpu_get_freq = omap_pm_cpu_get_freq, | |
| 40 | #endif | |
| 41 | .dsp_prm_read = prm_read_mod_reg, | |
| 42 | .dsp_prm_write = prm_write_mod_reg, | |
| 43 | .dsp_prm_rmw_bits = prm_rmw_mod_reg_bits, | |
| 44 | .dsp_cm_read = cm_read_mod_reg, | |
| 45 | .dsp_cm_write = cm_write_mod_reg, | |
| 46 | .dsp_cm_rmw_bits = cm_rmw_mod_reg_bits, | |
| 47 | }; | |
| 48 | ||
| 49 | static int __init omap_dsp_init(void) | |
| 50 | { | |
| 51 | struct platform_device *pdev; | |
| 52 | int err = -ENOMEM; | |
| 53 | struct omap_dsp_platform_data *pdata = &omap_dsp_pdata; | |
| 54 | ||
| 55 | pdata->phys_mempool_base = omap_dsp_get_mempool_base(); | |
| 56 | ||
| 57 | if (pdata->phys_mempool_base) { | |
| 58 | pdata->phys_mempool_size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE; | |
| 59 | pr_info("%s: %x bytes @ %x\n", __func__, | |
| 60 | pdata->phys_mempool_size, pdata->phys_mempool_base); | |
| 61 | } | |
| 62 | ||
| 63 | pdev = platform_device_alloc("omap-dsp", -1); | |
| 64 | if (!pdev) | |
| 65 | goto err_out; | |
| 66 | ||
| 67 | err = platform_device_add_data(pdev, pdata, sizeof(*pdata)); | |
| 68 | if (err) | |
| 69 | goto err_out; | |
| 70 | ||
| 71 | err = platform_device_add(pdev); | |
| 72 | if (err) | |
| 73 | goto err_out; | |
| 74 | ||
| 75 | omap_dsp_pdev = pdev; | |
| 76 | return 0; | |
| 77 | ||
| 78 | err_out: | |
| 79 | platform_device_put(pdev); | |
| 80 | return err; | |
| 81 | } | |
| 82 | module_init(omap_dsp_init); | |
| 83 | ||
| 84 | static void __exit omap_dsp_exit(void) | |
| 85 | { | |
| 86 | platform_device_unregister(omap_dsp_pdev); | |
| 87 | } | |
| 88 | module_exit(omap_dsp_exit); | |
| 89 | ||
| 90 | MODULE_AUTHOR("Hiroshi DOYU"); | |
| 91 | MODULE_DESCRIPTION("TI's OMAP DSP platform device registration"); | |
| 92 | MODULE_LICENSE("GPL"); |