diff options
Diffstat (limited to 'arch/arm/mach-omap2/dsp.c')
-rw-r--r-- | arch/arm/mach-omap2/dsp.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/dsp.c b/arch/arm/mach-omap2/dsp.c new file mode 100644 index 000000000000..6feeeae6c21b --- /dev/null +++ b/arch/arm/mach-omap2/dsp.c | |||
@@ -0,0 +1,85 @@ | |||
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 | |||
14 | #include <linux/platform_device.h> | ||
15 | #include "prm.h" | ||
16 | #include "cm.h" | ||
17 | #ifdef CONFIG_BRIDGE_DVFS | ||
18 | #include <plat/omap-pm.h> | ||
19 | #endif | ||
20 | |||
21 | #include <plat/dsp.h> | ||
22 | |||
23 | extern phys_addr_t omap_dsp_get_mempool_base(void); | ||
24 | |||
25 | static struct platform_device *omap_dsp_pdev; | ||
26 | |||
27 | static struct omap_dsp_platform_data omap_dsp_pdata __initdata = { | ||
28 | #ifdef CONFIG_BRIDGE_DVFS | ||
29 | .dsp_set_min_opp = omap_pm_dsp_set_min_opp, | ||
30 | .dsp_get_opp = omap_pm_dsp_get_opp, | ||
31 | .cpu_set_freq = omap_pm_cpu_set_freq, | ||
32 | .cpu_get_freq = omap_pm_cpu_get_freq, | ||
33 | #endif | ||
34 | .dsp_prm_read = prm_read_mod_reg, | ||
35 | .dsp_prm_write = prm_write_mod_reg, | ||
36 | .dsp_prm_rmw_bits = prm_rmw_mod_reg_bits, | ||
37 | .dsp_cm_read = cm_read_mod_reg, | ||
38 | .dsp_cm_write = cm_write_mod_reg, | ||
39 | .dsp_cm_rmw_bits = cm_rmw_mod_reg_bits, | ||
40 | }; | ||
41 | |||
42 | static int __init omap_dsp_init(void) | ||
43 | { | ||
44 | struct platform_device *pdev; | ||
45 | int err = -ENOMEM; | ||
46 | struct omap_dsp_platform_data *pdata = &omap_dsp_pdata; | ||
47 | |||
48 | pdata->phys_mempool_base = omap_dsp_get_mempool_base(); | ||
49 | |||
50 | if (pdata->phys_mempool_base) { | ||
51 | pdata->phys_mempool_size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE; | ||
52 | pr_info("%s: %x bytes @ %x\n", __func__, | ||
53 | pdata->phys_mempool_size, pdata->phys_mempool_base); | ||
54 | } | ||
55 | |||
56 | pdev = platform_device_alloc("omap-dsp", -1); | ||
57 | if (!pdev) | ||
58 | goto err_out; | ||
59 | |||
60 | err = platform_device_add_data(pdev, pdata, sizeof(*pdata)); | ||
61 | if (err) | ||
62 | goto err_out; | ||
63 | |||
64 | err = platform_device_add(pdev); | ||
65 | if (err) | ||
66 | goto err_out; | ||
67 | |||
68 | omap_dsp_pdev = pdev; | ||
69 | return 0; | ||
70 | |||
71 | err_out: | ||
72 | platform_device_put(pdev); | ||
73 | return err; | ||
74 | } | ||
75 | module_init(omap_dsp_init); | ||
76 | |||
77 | static void __exit omap_dsp_exit(void) | ||
78 | { | ||
79 | platform_device_unregister(omap_dsp_pdev); | ||
80 | } | ||
81 | module_exit(omap_dsp_exit); | ||
82 | |||
83 | MODULE_AUTHOR("Hiroshi DOYU"); | ||
84 | MODULE_DESCRIPTION("TI's OMAP DSP platform device registration"); | ||
85 | MODULE_LICENSE("GPL"); | ||